PR gold/12804
[external/binutils.git] / gold / ChangeLog
1 2011-06-09  Cary Coutant  <ccoutant@google.com>
2
3         PR gold/12804
4         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
5         used with --compress-debug-sections.
6         * gold/object.cc (Sized_relobj_file::do_layout): Report
7         uncompressed size of compressed input sections.
8
9 2011-06-08  Cary Coutant  <ccoutant@google.com>
10
11         PR gold/12804
12         * testsuite/two_file_test_2_v1.cc: Change initialization of
13         v2 to keep it in .data.
14
15 2011-06-07  Cary Coutant  <ccoutant@google.com>
16
17         * common.cc (Symbol_table::do_allocate_commons_list): Call
18         gold_fallback.
19         * errors.cc (Errors::fatal): Adjust call to gold_exit.
20         (Errors::fallback): New function.
21         (gold_fallback): New function.
22         * errors.h (Errors::fallback): New function.
23         * gold.cc (gold_exit): Change status parameter to enum; adjust
24         all callers.
25         (queue_initial_tasks): Call gold_fallback.
26         * gold.h: Include cstdlib.
27         (Exit_status): New enum type.
28         (gold_exit): Change status parameter to enum.
29         (gold_fallback): New function.
30         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
31         (Layout::create_symtab_sections): Likewise.
32         (Layout::create_shdrs): Likewise.
33         * main.cc (main): Adjust call to gold_exit.
34         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
35         (Output_data_got::add_got_entry_pair): Likewise.
36         (Output_section::add_input_section): Likewise.
37         (Output_section::add_output_section_data): Likewise.
38         (Output_segment::set_section_list_addresses): Likewise.
39         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
40
41 2011-06-07  Cary Coutant  <ccoutant@google.com>
42
43         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
44         for incremental links.
45         * output.cc (Output_segment::set_section_list_addresses): Remove
46         FIXME and test for TLS or BSS.
47
48 2011-06-07  Cary Coutant  <ccoutant@google.com>
49
50         * testsuite/Makefile.am: Add incremental_copy_test,
51         incremental_common_test_1.
52         * testsuite/Makefile.in: Regenerate.
53         * testsuite/common_test_1_v1.c: New source file.
54         * testsuite/common_test_1_v2.c: New source file.
55         * testsuite/copy_test_v1.cc: New source file.
56
57 2011-06-07  Cary Coutant  <ccoutant@google.com>
58
59         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
60         update, allocate common from bss section's free list.
61         * incremental-dump.cc (dump_incremental_inputs): Print flag for
62         linker-defined symbols.
63         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
64         Skip GOT and PLT entries that are no longer referenced.
65         (Output_section_incremental_inputs::write_info_blocks): Mark
66         linker-defined symbols.
67         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
68         * output.cc (Output_section::allocate): New function.
69         * output.h (Output_section::allocate): New function.
70         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
71         linker-defined symbols.
72         (Symbol::override_base_with_special): Copy is_predefined_ flag.
73         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
74         (Symbol::init_base_output_data): Likewise.
75         (Symbol::init_base_output_segment): Likewise.
76         (Symbol::init_base_constant): Likewise.
77         (Sized_symbol::init_output_data): Likewise.
78         (Sized_symbol::init_output_segment): Likewise.
79         (Sized_symbol::init_constant): Likewise.
80         (Symbol_table::do_define_in_output_data): Likewise.
81         (Symbol_table::do_define_in_output_segment): Likewise.
82         (Symbol_table::do_define_as_constant): Likewise.
83         * symtab.h (Symbol::is_predefined): New function.
84         (Symbol::init_base_output_data): Add is_predefined parameter.
85         (Symbol::init_base_output_segment): Likewise.
86         (Symbol::init_base_constant): Likewise.
87         (Symbol::is_predefined_): New data member.
88         (Sized_symbol::init_output_data): Add is_predefined parameter.
89         (Sized_symbol::init_output_segment): Likewise.
90         (Sized_symbol::init_constant): Likewise.
91         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
92
93 2011-06-07  Cary Coutant  <ccoutant@google.com>
94
95         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
96         instead of emit_copy_reloc.
97         (Copy_relocs::emit_copy_reloc): Refactor.
98         (Copy_relocs::make_copy_reloc): New function.
99         (Copy_relocs::add_copy_reloc): Remove.
100         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
101         section.
102         (Copy_relocs::make_copy_reloc): New function.
103         (Copy_relocs::add_copy_reloc): Remove.
104         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
105         unchanged input files.
106         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
107         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
108         Reserve BSS space for COPY relocations.
109         (Sized_incremental_binary::do_emit_copy_relocs): New function.
110         (Output_section_incremental_inputs::write_info_blocks): Record
111         whether a symbol is copied from a shared object.
112         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
113         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
114         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
115         (Incremental_input_entry_reader::get_output_symbol_index): Add
116         is_copy parameter.
117         (Incremental_binary::emit_copy_relocs): New function.
118         (Incremental_binary::do_emit_copy_relocs): New function.
119         (Sized_incremental_binary::Sized_incremental_binary): Initialize
120         new data member.
121         (Sized_incremental_binary::add_copy_reloc): New function.
122         (Sized_incremental_binary::do_emit_copy_relocs): New function.
123         (Sized_incremental_binary::Copy_reloc): New struct.
124         (Sized_incremental_binary::Copy_relocs): New typedef.
125         (Sized_incremental_binary::copy_relocs_): New data member.
126         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
127         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
128         * target.h (Sized_target::emit_copy_reloc): New function.
129         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
130
131 2011-06-02  Cary Coutant  <ccoutant@google.com>
132
133         PR gold/12163
134         * gold/archive.cc (Archive::Archive): Initialize new data member.
135         (Archive::include_all_members): Return if archive has already been
136         included.
137         * gold/archive.h (Archive::include_all_members_): New data member.
138
139 2011-06-02  Nick Clifton  <nickc@redhat.com>
140
141         * dynobj.h: Fix spelling mistake in comment.
142         * output.cc: Likewise.
143
144 2011-05-31  Doug Kwan  <dougkwan@google.com>
145             Asier Llano
146
147         PR gold/12826
148         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
149         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
150         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
151         redundant arm_exidx_test.so.
152         * testsuite/Makefile.in: Regenerate.
153         (check_SCRIPTS): Add pr12826.sh
154         (check_DATA): Add pr12826.stdout
155         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
156         * testsuite/pr12826.sh: New file.
157         * testsuite/pr12826_1.s: Ditto.
158         * testsuite/pr12826_1.s: Ditto.
159
160 2011-05-30  Ian Lance Taylor  <iant@google.com>
161
162         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
163         sections.
164
165 2011-05-29  Ian Lance Taylor  <iant@google.com>
166
167         PR gold/12804
168         * testsuite/Makefile.am: Use different file name for two_file_test
169         temporary file for each incremental test.
170         * testsuite/Makefile.in: Rebuild.
171
172 2011-05-29  Ian Lance Taylor  <iant@google.com>
173
174         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
175         binary input file is empty.
176
177 2011-05-27  Ian Lance Taylor  <iant@google.com>
178
179         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
180         (ver_test_9.so): Likewise.
181         * testsuite/Makefile.in: Rebuild.
182
183 2011-05-26 Cary Coutant  <ccoutant@google.com>
184
185         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
186         * incremental.cc (Incremental_inputs::report_input_section): Fix
187         comment, indentation.
188         (Incremental_inputs::report_comdat_group): New function.
189         (Output_section_incremental_inputs::set_final_data_size): Adjust size
190         of data for incremental input file entry.
191         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
192         group count, COMDAT group signatures.
193         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
194         an unchanged input file.
195         * incremental.h (Incremental_object_entry::Incremental_object_entry):
196         Initialize new data member.
197         (Incremental_object_entry::add_comdat_group): New function.
198         (Incremental_object_entry::get_comdat_group_count): New function.
199         (Incremental_object_entry::get_comdat_signature_key): New function.
200         (Incremental_object_entry::groups_): New data member.
201         (Incremental_inputs::report_comdat_group): New function.
202         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
203         data for incremental input file entry.
204         (Incremental_input_entry_reader::get_comdat_group_count): New function.
205         (Incremental_input_entry_reader::get_input_section): Adjust size of
206         data for incremental input file entry.
207         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
208         (Incremental_input_entry_reader::get_comdat_group_signature): New
209         function.
210         * object.cc (Sized_relobj::include_section_group): Report kept
211         COMDAT groups for incremental links.
212
213 2011-05-24  David Meyer  <pdox@google.com>
214
215         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
216         with name parameter.  Add found_name parameter.
217         * fileread.cc (Input_file::find_file): Adjust code accordingly.
218         * dirsearch.h (class Dirsearch): Update declaration.
219
220 2011-05-24  Ian Lance Taylor  <iant@google.com>
221
222         * archive.cc (Library_base::should_include_member): Pull in object
223         from archive if it defines the entry symbol.
224         * parameters.cc (Parameters::entry): New function.
225         * parameters.h (class Parameters): Declare entry.
226         * output.h (class Output_file_header): Remove entry_ field.
227         * output.cc (Output_file_header::Output_file_header): Remove entry
228         parameter.  Change all callers.
229         (Output_file_header::entry): Use parameters->entry.
230         * gold.cc (queue_middle_tasks): Likewise.
231         * plugin.cc (Plugin_hook::run): Likewise.
232
233 2011-05-24 Cary Coutant  <ccoutant@google.com>
234
235         * gold.cc (queue_initial_tasks): Pass incremental base filename
236         to Output_file::open_base_file; don't print error message.
237         * incremental-dump.cc (main): Adjust call to
238         Output_file::open_for_modification.
239         * incremental-dump.cc (main): Likewise.
240         * incremental.cc (Incremental_inputs::report_command_line):
241         Ignore --incremental-base option when comparing command lines.
242         Ignore parameter when given as separate argument.
243         * options.h (class General_options): Add --incremental-base.
244         * output.cc (Output_file::Output_file):
245         (Output_file::open_base_file): Add base_name and writable parameters;
246         read base file into new file; print error message here.
247         (Output_file::map_no_anonymous): Add writable parameter; adjust all
248         callers.
249         * output.h (Output_file::open_for_modification): Rename to...
250         (Output_file::open_base_file): ...this; add base_name and
251         writable parameters; adjust all callers.
252         (Output_file::map_no_anonymous): Add writable parameter; adjust all
253         callers.
254         * testsuite/Makefile.am (incremental_test_4): Test
255         --incremental-base.
256         * testsuite/Makefile.in: Regenerate.
257
258 2011-05-24 Cary Coutant  <ccoutant@google.com>
259
260         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
261         incremental_test_4.
262         * testsuite/Makefile.in: Regenerate.
263         * testsuite/two_file_test_1_v1.cc: New test source file.
264         * testsuite/two_file_test_1b_v1.cc: New test source file.
265         * testsuite/two_file_test_2_v1.cc: New test source file.
266
267 2011-05-24 Cary Coutant  <ccoutant@google.com>
268
269         * dynobj.h (Dynobj::do_dynobj): New function.
270         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
271         flag and soname for shared objects.
272         * incremental.cc (Incremental_inputs::report_object): Make
273         either Incremental_object_entry or Incremental_dynobj_entry; add
274         soname to string table.
275         (Incremental_inputs::report_input_section): Add assertion.
276         (Output_section_incremental_inputs::set_final_data_size): Adjust
277         type of input file entry for shared libraries; adjust size of
278         shared library info entry.
279         (Output_section_incremental_inputs::write_input_files): Write
280         as_needed flag for shared libraries.
281         (Output_section_incremental_inputs::write_info_blocks): Adjust type
282         of input file entry for shared libraries; write soname.
283         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
284         soname from incremental info.
285         * incremental.h (enum Incremental_input_flags): Add
286         INCREMENTAL_INPUT_AS_NEEDED.
287         (Incremental_input_entry::Incremental_input_entry): Initialize new
288         data member.
289         (Incremental_input_entry::set_as_needed): New function.
290         (Incremental_input_entry::as_needed): New function.
291         (Incremental_input_entry::do_dynobj_entry): New function.
292         (Incremental_input_entry::as_needed_): New data member.
293         (Incremental_object_entry::Incremental_object_entry): Don't check
294         for shared library.
295         (Incremental_object_entry::do_type): Likewise.
296         (class Incremental_dynobj_entry): New class.
297         (Incremental_input_entry_reader::as_needed): New function.
298         (Incremental_input_entry_reader::get_soname): New function.
299         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
300         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
301         size of shared library info entry.
302         * layout.cc (Layout::finish_dynamic_section): Don't test for 
303         incremental link when adding DT_NEEDED entries.
304         * object.h (Object::Object): Initialize new data member.
305         (Object::dynobj): New function.
306         (Object::set_as_needed): New function.
307         (Object::as_needed): New function.
308         (Object::do_dynobj): New function.
309         (Object::as_needed_): New data member.
310
311 2011-05-24 Cary Coutant  <ccoutant@google.com>
312
313         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
314         info; adjust display of GOT entries.
315         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
316         vector of input objects; remove file_status_.
317         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
318         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
319         got_plt reader; call target hooks to reserve GOT entries.
320         (Output_section_incremental_inputs::set_final_data_size): Adjust size
321         of input file info header and GOT info entry.
322         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
323         relocation info.
324         (Got_plt_view_info::got_descriptor): Remove.
325         (Got_plt_view_info::sym_index): New data member.
326         (Got_plt_view_info::input_index): New data member.
327         (Local_got_offset_visitor::visit): Write input file index.
328         (Global_got_offset_visitor::visit): Write 0 for input file index.
329         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
330         with sym_index and input_index.
331         (Output_section_incremental_inputs::write_got_plt): Adjust size of
332         incremental info GOT entry; replace got_descriptor with input_index.
333         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
334         map from input file index to object.
335         (Sized_relobj_incr::do_layout): Replace direct data member reference
336         with accessor function.
337         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
338         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
339         Adjust size of input file info header.
340         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
341         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
342         (Incremental_input_entry_reader::get_input_section): Adjust size of
343         input file info header.
344         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
345         of incremental info GOT entry.
346         (Incremental_got_plt_reader::get_got_desc): Remove.
347         (Incremental_got_plt_reader::get_got_symndx): New function.
348         (Incremental_got_plt_reader::get_got_input_index): New function.
349         (Sized_incremental_binary::Sized_incremental_binary): Remove
350         file_status_; add input_objects_.
351         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
352         (Sized_incremental_binary::set_file_is_unchanged): Remove.
353         (Sized_incremental_binary::file_is_unchanged): Remove.
354         (Sized_incremental_binary::set_input_object): New function.
355         (Sized_incremental_binary::input_object): New function.
356         (Sized_incremental_binary::file_status_): Remove.
357         (Sized_incremental_binary::input_objects_): New data member.
358         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
359         references.
360         (Sized_relobj_incr::invalid_address): Move to base class.
361         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
362         class.
363         (Sized_relobj_incr::do_output_section_offset): Likewise.
364         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
365         (Sized_relobj_incr::section_offsets_): Likewise.
366         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
367         function.
368         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
369         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
370         with accessor function.
371         (Sized_relobj_file::do_layout): Likewise.
372         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
373         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
374         (Sized_relobj_file::compute_final_local_value): Replace refs to
375         section_offsets_ with accessor function.
376         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
377         * object.h (Relobj::Relobj): Initialize new data members.
378         (Relobj::add_dyn_reloc): New function.
379         (Relobj::first_dyn_reloc): New function.
380         (Relobj::dyn_reloc_count): New function.
381         (Relobj::first_dyn_reloc_): New data member.
382         (Relobj::dyn_reloc_count_): New data member.
383         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
384         references.
385         (Sized_relobj::Address): New typedef.
386         (Sized_relobj::invalid_address): Move here from child class.
387         (Sized_relobj::Sized_relobj): Initialize new data members.
388         (Sized_relobj::sized_relobj): New function.
389         (Sized_relobj::is_output_section_offset_invalid): Move here from
390         child class.
391         (Sized_relobj::get_output_section_offset): Likewise.
392         (Sized_relobj::local_has_got_offset): Likewise.
393         (Sized_relobj::local_got_offset): Likewise.
394         (Sized_relobj::set_local_got_offset): Likewise.
395         (Sized_relobj::do_for_all_local_got_entries): Likewise.
396         (Sized_relobj::clear_got_offsets): New function.
397         (Sized_relobj::section_offsets): Move here from child class.
398         (Sized_relobj::do_output_section_offset): Likewise.
399         (Sized_relobj::do_set_section_offset): Likewise.
400         (Sized_relobj::Local_got_offsets): Likewise.
401         (Sized_relobj::local_got_offsets_): Likewise.
402         (Sized_relobj::section_offsets_): Likewise.
403         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
404         references.
405         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
406         class.
407         (Sized_relobj_file::sized_relobj): New function
408         (Sized_relobj_file::local_has_got_offset): Move to base class.
409         (Sized_relobj_file::local_got_offset): Likewise.
410         (Sized_relobj_file::set_local_got_offset): Likewise.
411         (Sized_relobj_file::get_output_section_offset): Likewise.
412         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
413         (Sized_relobj_file::do_output_section_offset): Likewise.
414         (Sized_relobj_file::do_set_section_offset): Likewise.
415         (Sized_relobj_file::Local_got_offsets): Likewise.
416         (Sized_relobj_file::local_got_offsets_): Likewise.
417         (Sized_relobj_file::section_offsets_): Likewise.
418         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
419         (all constructors).
420         (set_needs_dynsym_index): Convert relobj to derived class pointer.
421         (Output_reloc::get_symbol_index): Likewise.
422         (Output_reloc::local_section_offset): Likewise.
423         (Output_reloc::get_address): Likewise.
424         (Output_reloc::symbol_value): Likewise.
425         (Output_data_got::reserve_slot): Move to class definition.
426         (Output_data_got::reserve_local): New function.
427         (Output_data_got::reserve_slot_for_global): Remove.
428         (Output_data_got::reserve_global): New function.
429         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
430         (all constructors, two instantiations).
431         (Output_reloc::get_relobj): New function (two instantiations).
432         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
433         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
434         (Output_data_reloc::add_global): Adjust type of relobj.
435         (Output_data_reloc::add_global_relative): Likewise.
436         (Output_data_reloc::add_symbolless_global_addend): Likewise.
437         (Output_data_reloc::add_local): Likewise.
438         (Output_data_reloc::add_local_relative): Likewise.
439         (Output_data_reloc::add_symbolless_local_addend): Likewise.
440         (Output_data_reloc::add_local_section): Likewise.
441         (Output_data_reloc::add_output_section): Likewise.
442         (Output_data_reloc::add_absolute): Likewise.
443         (Output_data_reloc::add_target_specific): Likewise.
444         (Output_data_got::reserve_slot): Move definition here.
445         (Output_data_got::reserve_local): New function.
446         (Output_data_got::reserve_global): New function.
447         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
448         section_offsets_ with accessor function.
449         (Sized_relobj_file::write_sections): Likewise.
450         (Sized_relobj_file::do_relocate_sections): Likewise.
451         * target.h (Sized_target::reserve_local_got_entry): New function.
452         (Sized_target::reserve_global_got_entry): New function.
453         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
454         (Target_x86_64::reserve_global_got_entry): New function.
455         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
456
457 2011-05-23 Cary Coutant  <ccoutant@google.com>
458
459         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
460         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
461         bit when checking got_type.
462         * incremental.cc (Sized_incremental_binary::setup_readers):
463         Store symbol table and string table locations; initialize bit vector
464         of file status flags.
465         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
466         unchanged files.
467         (Sized_incremental_binary::do_process_got_plt): New function.
468         (Sized_incremental_binary::get_symtab_view): Use stored locations.
469         (Output_section_incremental_inputs::set_final_data_size): Record
470         file index for each input file.
471         (Output_section_incremental_inputs::write_got_plt): Store file index
472         instead of input entry offset for each GOT entry.
473         * incremental.h
474         (Incremental_input_entry::Incremental_input_entry): Initialize new
475         data member.
476         (Incremental_input_entry::set_offset): Store file index.
477         (Incremental_input_entry::get_file_index): New function.
478         (Incremental_input_entry::file_index_): New data member.
479         (Incremental_binary::process_got_plt): New function.
480         (Incremental_binary::do_process_got_plt): New function.
481         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
482         data members.
483         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
484         (Sized_incremental_binary::set_file_is_unchanged): New function.
485         (Sized_incremental_binary::file_is_unchanged): New function.
486         (Sized_incremental_binary::do_process_got_plt): New function.
487         (Sized_incremental_binary::file_status_): New data member.
488         (Sized_incremental_binary::main_symtab_loc_): New data member.
489         (Sized_incremental_binary::main_strtab_loc_): New data member.
490         * output.cc (Output_data_got::Got_entry::write): Add case
491         RESERVED_CODE.
492         (Output_data_got::add_global): Call add_got_entry.
493         (Output_data_got::add_global_plt): Likewise.
494         (Output_data_got::add_global_with_rel): Likewise.
495         (Output_data_got::add_global_with_rela): Likewise.
496         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
497         (Output_data_got::add_global_pair_with_rela): Likewise.
498         (Output_data_got::add_local): Call add_got_entry.
499         (Output_data_got::add_local_plt): Likewise.
500         (Output_data_got::add_local_with_rel): Likewise.
501         (Output_data_got::add_local_with_rela): Likewise.
502         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
503         (Output_data_got::add_local_pair_with_rela): Likewise.
504         (Output_data_got::reserve_slot): New function.
505         (Output_data_got::reserve_slot_for_global): New function.
506         (Output_data_got::add_got_entry): New function.
507         (Output_data_got::add_got_entry_pair): New function.
508         (Output_section::add_output_section_data): Edit FIXME.
509         * output.h
510         (Output_section_data_build::Output_section_data_build): New
511         constructor with size parameter.
512         (Output_data_space::Output_data_space): Likewise.
513         (Output_data_got::Output_data_got): Initialize new data member; new
514         constructor with size parameter.
515         (Output_data_got::add_constant): Call add_got_entry.
516         (Output_data_got::reserve_slot): New function.
517         (Output_data_got::reserve_slot_for_global): New function.
518         (class Output_data_got::Got_entry): Add RESERVED_CODE.
519         (Output_data_got::add_got_entry): New function.
520         (Output_data_got::add_got_entry_pair): New function.
521         (Output_data_got::free_list_): New data member.
522         * target.h (Sized_target::init_got_plt_for_update): New function.
523         (Sized_target::register_global_plt_entry): New function.
524         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
525         Initialize new data member; call init; add constructor with PLT count.
526         (Output_data_plt_x86_64::init): New function.
527         (Output_data_plt_x86_64::add_relocation): New function.
528         (Output_data_plt_x86_64::reserve_slot): New function.
529         (Output_data_plt_x86_64::free_list_): New data member.
530         (Target_x86_64::init_got_plt_for_update): New function.
531         (Target_x86_64::register_global_plt_entry): New function.
532         (Output_data_plt_x86_64::add_entry): Allocate from free list for
533         incremental updates.
534         (Output_data_plt_x86_64::add_relocation): New function.
535         * testsuite/object_unittest.cc (Object_test): Set default options.
536
537 2011-05-16  Ian Lance Taylor  <iant@google.com>
538
539         * options.h (class General_options): Make -i a synonym for -r.
540
541 2011-05-16  Ian Lance Taylor  <iant@google.com>
542
543         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
544
545 2011-05-10 Cary Coutant  <ccoutant@google.com>
546
547         * object.cc (Sized_relobj::do_count_local_symbols): Check for
548         strip_all (-s).
549
550 2011-05-06  Ian Lance Taylor  <iant@google.com>
551
552         * layout.cc (Layout::layout): If the output section flags change,
553         update the ordering.
554
555 2011-04-25 Cary Coutant  <ccoutant@google.com>
556
557         * incremental-dump.cc (dump_incremental_inputs): Print local
558         symbol info for each input file.
559         * incremental.cc
560         (Output_section_incremental_inputs::set_final_data_size): Add local
561         symbol info to input file entries in incremental info.
562         (Output_section_incremental_inputs::write_info_blocks): Likewise.
563         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
564         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
565         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
566         implementation.
567         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
568         (Sized_incr_relobj::do_relocate): Write the local symbols.
569         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
570         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
571         Adjust size of input file header.
572         (Incremental_inputs_reader::get_local_symbol_offset): New function.
573         (Incremental_inputs_reader::get_local_symbol_count): New function.
574         (Incremental_inputs_reader::get_input_section): Adjust size of input
575         file header.
576         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
577         (Sized_incr_relobj::This): New typedef.
578         (Sized_incr_relobj::sym_size): New const data member.
579         (Sized_incr_relobj::Local_symbol): New struct.
580         (Sized_incr_relobj::do_output_local_symbol_count): New function.
581         (Sized_incr_relobj::do_local_symbol_offset): New function.
582         (Sized_incr_relobj::local_symbol_count_): New data member.
583         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
584         (Sized_incr_relobj::local_symbol_index_): New data member.
585         (Sized_incr_relobj::local_symbol_offset_): New data member.
586         (Sized_incr_relobj::local_dynsym_offset_): New data member.
587         (Sized_incr_relobj::local_symbols_): New data member.
588         * object.h (Relobj::output_local_symbol_count): New function.
589         (Relobj::local_symbol_offset): New function.
590         (Relobj::do_output_local_symbol_count): New function.
591         (Relobj::do_local_symbol_offset): New function.
592         (Sized_relobj::do_output_local_symbol_count): New function.
593         (Sized_relobj::do_local_symbol_offset): New function.
594
595 2011-04-22  Vladimir Simonov  <sv@sw.ru>
596
597         * descriptors.cc (set_close_on_exec): New function.
598         (Descriptors::open): Use set_close_on_exec.
599         * output.cc (S_ISLNK): Define if not defined.
600
601 2011-04-22 Cary Coutant  <ccoutant@google.com>
602
603         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
604         global symbol map.
605         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
606         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
607         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
608         relocations.
609         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
610         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
611         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
612         * incremental.h
613         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
614         function.
615         (Incremental_binary::apply_incremental_relocs): New function.
616         (Incremental_binary::do_apply_incremental_relocs): New function.
617         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
618         data member.
619         (Sized_incremental_binary::add_global_symbol): New function.
620         (Sized_incremental_binary::global_symbol): New function.
621         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
622         (Sized_incremental_binary::symbol_map_): New data member.
623         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
624         * target.h (Sized_target::apply_relocation): New function.
625         * target-reloc.h (apply_relocation): New function.
626         * x86_64.cc (Target_x86_64::apply_relocation): New function.
627
628 2011-04-22  Doug Kwan  <dougkwan@google.com>
629
630         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
631         flag of a SHT_ARM_EXIDX section.
632         * testsuite/Makefile.am (arm_exidx_test): New test rules.
633         * testsuite/Makefile.in: Regenerate.
634         * testsuite/arm_exidx_test.s: New file.
635         * testsuite/arm_exidx_test.sh: Same.
636
637 2011-04-20 Cary Coutant  <ccoutant@google.com>
638
639         PR gold/12689
640         * archive.h (Incremental_archive_entry::Archive_member):
641         Initialize arg_serial_ (second constructor).
642
643 2011-04-17  Ian Lance Taylor  <iant@google.com>
644
645         * object.cc (Relocate_info::location): Simplify location string.
646         * errors.cc (Errors::error_at_location): Don't print program
647         name.
648         (Errors::warning_at_location): Likewise.
649         (Errors::undefined_symbol): Likewise.
650         * testsuite/debug_msg.sh: Update accordingly.
651
652 2011-04-14 Cary Coutant  <ccoutant@google.com>
653
654         * gold/layout.cc (Layout::symtab_section_offset): New function.
655         * gold/layout.h (Layout::symtab_section_offset): New function.
656         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
657
658 2011-04-12  Ian Lance Taylor  <iant@google.com>
659
660         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
661         with MREMAP_MAYMOVE.
662         * output.h (class Output_file): Add map_is_allocated_ field.
663         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
664         not available, provide stubs.  If mremap is not available, #define
665         it to gold_mremap.
666         (MREMAP_MAYMOVE): Define if not defined.
667         (Output_file::Output_file): Initialize map_is_allocated_.
668         (Output_file::resize): Check map_is_allocated_.
669         (Output_file::map_anonymous): If mmap fails, use malloc.
670         (Output_file::unmap): Don't do anything for an anonymous map.
671         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
672         is not available, provide stubs.
673         (File_read::View::~View): Use free rather than delete[].
674         (File_read::make_view): Use malloc rather than new[].  If mmap
675         fails, use malloc.
676         (File_read::find_or_make_view): Use malloc rather than new[].
677         * gold.h: Remove HAVE_REMAP code.
678         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
679         exists.  Rename mremap to gold_mremap.  If mmap is not available
680         don't do anything.
681         * configure, config.in: Rebuild.
682
683 2011-04-11  Ian Lance Taylor  <iant@google.com>
684
685         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
686         initialize local variable v.
687
688 2011-04-11  Cary Coutant  <ccoutant@google.com>
689
690         * archive.cc (Archive::include_member): Adjust call to
691         report_object.
692         (Add_archive_symbols::run): Track argument serial numbers.
693         (Lib_group::include_member): Likewise.
694         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
695         * archive.h (Incremental_archive_entry::Archive_member):
696         Initialize arg_serial_.
697         (Archive_member::arg_serial_): New data member.
698         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
699         (Sized_dynobj::do_add_symbols): Track symbols when doing an
700         incremental link.
701         (Sized_dynobj::do_for_all_local_got_entries): New function.
702         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
703         function.
704         * fileread.cc (get_mtime): New function.
705         * fileread.h (get_mtime): New function.
706         * gold.cc (queue_initial_tasks): Check for incremental update.
707         (process_incremental_input): New function.
708         (queue_middle_tasks): Don't force valid target for incremental
709         update.
710         * incremental-dump.cc (find_input_containing_global): Adjust
711         size of symbol info entry.
712         (dump_incremental_inputs): Dump argument serial number and
713         in_system_directory flag; bias shndx by 1; print symbol names
714         when dumping per-file symbol lists; use new symbol info readers.
715         * incremental.cc
716         (Output_section_incremental_inputs:update_data_size): New function.
717         (Sized_incremental_binary::setup_readers): Setup input readers
718         for each input file; build maps for files added from libraries
719         and scripts.
720         (Sized_incremental_binary::check_input_args): New function.
721         (Sized_incremental_binary::do_check_inputs): Build map of argument
722         serial numbers to input arguments.
723         (Sized_incremental_binary::do_file_has_changed): Rename
724         do_file_is_unchanged to this; compare file modification times.
725         (Sized_incremental_binary::do_init_layout): New function.
726         (Sized_incremental_binary::do_reserve_layout): New function.
727         (Sized_incremental_binary::do_get_input_reader): Remove.
728         (Sized_incremental_binary::get_symtab_view): New function.
729         (Incremental_checker::can_incrementally_link_output_file): Remove.
730         (Incremental_inputs::report_command_line): Exclude --debug options.
731         (Incremental_inputs::report_archive_begin): Add parameter; track
732         argument serial numbers; don't put input file entry for archive
733         before archive members.
734         (Incremental_inputs::report_archive_end): Put input file entry
735         for archive after archive members.
736         (Incremental_inputs::report_object): Add parameter; track argument
737         serial numbers and in_system_directory flag.
738         (Incremental_inputs::report_script): Add parameter; track argument
739         serial numbers.
740         (Output_section_incremental_inputs::set_final_data_size): Adjust
741         size of symbol info entry; check for forwarding symbols.
742         (Output_section_incremental_inputs::write_input_files): Write
743         in_system_directory flag and argument serial number.
744         (Output_section_incremental_inputs::write_info_blocks): Map section
745         indices between incremental info and original input file; store
746         input section index for each symbol.
747         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
748         change operator() to visit().
749         (class Global_got_offset_visitor): Likewise.
750         (class Global_symbol_visitor_got_plt):
751         (Output_section_incremental_inputs::write_got_plt): Use new visitor
752         classes.
753         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
754         (Sized_incr_relobj::do_read_symbols): New function.
755         (Sized_incr_relobj::do_layout): New function.
756         (Sized_incr_relobj::do_layout_deferred_sections): New function.
757         (Sized_incr_relobj::do_add_symbols): New function.
758         (Sized_incr_relobj::do_should_include_member): New function.
759         (Sized_incr_relobj::do_for_all_global_symbols): New function.
760         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
761         (Sized_incr_relobj::do_section_size): New function.
762         (Sized_incr_relobj::do_section_name): New function.
763         (Sized_incr_relobj::do_section_contents): New function.
764         (Sized_incr_relobj::do_section_flags): New function.
765         (Sized_incr_relobj::do_section_entsize): New function.
766         (Sized_incr_relobj::do_section_address): New function.
767         (Sized_incr_relobj::do_section_type): New function.
768         (Sized_incr_relobj::do_section_link): New function.
769         (Sized_incr_relobj::do_section_info): New function.
770         (Sized_incr_relobj::do_section_addralign): New function.
771         (Sized_incr_relobj::do_initialize_xindex): New function.
772         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
773         (Sized_incr_relobj::do_read_relocs): New function.
774         (Sized_incr_relobj::do_gc_process_relocs): New function.
775         (Sized_incr_relobj::do_scan_relocs): New function.
776         (Sized_incr_relobj::do_count_local_symbols): New function.
777         (Sized_incr_relobj::do_finalize_local_symbols): New function.
778         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
779         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
780         (Sized_incr_relobj::do_relocate): New function.
781         (Sized_incr_relobj::do_set_section_offset): New function.
782         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
783         (Sized_incr_dynobj::do_read_symbols): New function.
784         (Sized_incr_dynobj::do_layout): New function.
785         (Sized_incr_dynobj::do_add_symbols): New function.
786         (Sized_incr_dynobj::do_should_include_member): New function.
787         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
788         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
789         (Sized_incr_dynobj::do_section_size): New function.
790         (Sized_incr_dynobj::do_section_name): New function.
791         (Sized_incr_dynobj::do_section_contents): New function.
792         (Sized_incr_dynobj::do_section_flags): New function.
793         (Sized_incr_dynobj::do_section_entsize): New function.
794         (Sized_incr_dynobj::do_section_address): New function.
795         (Sized_incr_dynobj::do_section_type): New function.
796         (Sized_incr_dynobj::do_section_link): New function.
797         (Sized_incr_dynobj::do_section_info): New function.
798         (Sized_incr_dynobj::do_section_addralign): New function.
799         (Sized_incr_dynobj::do_initialize_xindex): New function.
800         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
801         (make_sized_incremental_object): New function.
802         (Incremental_library::copy_unused_symbols): New function.
803         (Incremental_library::do_for_all_unused_symbols): New function.
804         * incremental.h (enum Incremental_input_flags): New type.
805         (class Incremental_checker): Remove.
806         (Incremental_input_entry::Incremental_input_entry): Add argument
807         serial number.
808         (Incremental_input_entry::arg_serial): New function.
809         (Incremental_input_entry::set_is_in_system_directory): New function.
810         (Incremental_input_entry::is_in_system_directory): New function.
811         (Incremental_input_entry::arg_serial_): New data member.
812         (Incremental_input_entry::is_in_system_directory_): New data member.
813         (class Script_info): Move here from script.h.
814         (Script_info::Script_info): Add filename parameter.
815         (Script_info::filename): New function.
816         (Script_info::filename_): New data member.
817         (Incremental_script_entry::Incremental_script_entry): Add argument
818         serial number.
819         (Incremental_object_entry::Incremental_object_entry): Likewise.
820         (Incremental_object_entry::add_input_section): Build list of input
821         sections with map to original shndx.
822         (Incremental_object_entry::get_input_section_index): New function.
823         (Incremental_object_entry::shndx_): New data member.
824         (Incremental_object_entry::name_key_): Rename; adjust all refs.
825         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
826         (Incremental_archive_entry::Incremental_archive_entry): Add argument
827         serial number.
828         (Incremental_inputs::report_archive_begin): Likewise.
829         (Incremental_inputs::report_object): Likewise.
830         (Incremental_inputs::report_script): Likewise.
831         (class Incremental_global_symbol_reader): New class.
832         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
833         and store flags and input file type.
834         (Incremental_input_entry_reader::arg_serial): New function.
835         (Incremental_input_entry_reader::type): Extract type from flags.
836         (Incremental_input_entry_reader::is_in_system_directory): New function.
837         (Incremental_input_entry_reader::get_input_section_count): Call
838         accessor function for type.
839         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
840         function for type; adjust size of global symbol entry.
841         (Incremental_input_entry_reader::get_global_symbol_count): Call
842         accessor function for type.
843         (Incremental_input_entry_reader::get_object_count): Likewise.
844         (Incremental_input_entry_reader::get_object_offset): Likewise.
845         (Incremental_input_entry_reader::get_member_count): Likewise.
846         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
847         (Incremental_input_entry_reader::get_member_offset): Likewise.
848         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
849         (Incremental_input_entry_reader::Global_symbol_info): Remove.
850         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
851         (Incremental_input_entry_reader::get_global_symbol_reader): New
852         function.
853         (Incremental_input_entry_reader::get_output_symbol_index): New
854         function.
855         (Incremental_input_entry_reader::type_): Remove.
856         (Incremental_input_entry_reader::flags_): New data member.
857         (Incremental_inputs_reader::input_file_offset): New function.
858         (Incremental_inputs_reader::input_file_index): New function.
859         (Incremental_inputs_reader::input_file): Call input_file_offset.
860         (Incremental_inputs_reader::input_file_at_offset): New function.
861         (Incremental_relocs_reader::get_r_type): Reformat.
862         (Incremental_relocs_reader::get_r_shndx): Reformat.
863         (Incremental_relocs_reader::get_r_offset): Reformat.
864         (Incremental_relocs_reader::data): New function.
865         (Incremental_binary::Incremental_binary): Initialize new data members.
866         (Incremental_binary::check_inputs): Add cmdline parameter.
867         (Incremental_binary::file_is_unchanged): Remove.
868         (Input_reader::arg_serial): New function.
869         (Input_reader::get_unused_symbol_count): New function.
870         (Input_reader::get_unused_symbol): New function.
871         (Input_reader::do_arg_serial): New function.
872         (Input_reader::do_get_unused_symbol_count): New function.
873         (Input_reader::do_get_unused_symbol): New function.
874         (Incremental_binary::input_file_count): New function.
875         (Incremental_binary::get_input_reader): Change signature to use
876         index instead of filename.
877         (Incremental_binary::file_has_changed): New function.
878         (Incremental_binary::get_input_argument): New function.
879         (Incremental_binary::get_library): New function.
880         (Incremental_binary::get_script_info): New function.
881         (Incremental_binary::init_layout): New function.
882         (Incremental_binary::reserve_layout): New function.
883         (Incremental_binary::output_file): New function.
884         (Incremental_binary::do_check_inputs): New function.
885         (Incremental_binary::do_file_is_unchanged): Remove.
886         (Incremental_binary::do_file_has_changed): New function.
887         (Incremental_binary::do_init_layout): New function.
888         (Incremental_binary::do_reserve_layout): New function.
889         (Incremental_binary::do_input_file_count): New function.
890         (Incremental_binary::do_get_input_reader): Change signature.
891         (Incremental_binary::input_args_map_): New data member.
892         (Incremental_binary::library_map_): New data member.
893         (Incremental_binary::script_map_): New data member.
894         (Sized_incremental_binary::Sized_incremental_binary): Initialize
895         new data members.
896         (Sized_incremental_binary::output_section): New function.
897         (Sized_incremental_binary::inputs_reader): Add const.
898         (Sized_incremental_binary::symtab_reader): Add const.
899         (Sized_incremental_binary::relocs_reader): Add const.
900         (Sized_incremental_binary::got_plt_reader): Add const.
901         (Sized_incremental_binary::get_symtab_view): New function.
902         (Sized_incremental_binary::Inputs_reader): New typedef.
903         (Sized_incremental_binary::Input_entry_reader): New typedef.
904         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
905         (Sized_incremental_binary::do_file_is_unchanged): Remove.
906         (Sized_incremental_binary::do_file_has_changed): New function.
907         (Sized_incremental_binary::do_init_layout): New function.
908         (Sized_incremental_binary::do_reserve_layout): New function.
909         (Sized_input_reader::Inputs_reader): Remove.
910         (Sized_input_reader::Input_entry_reader): Remove.
911         (Sized_input_reader::do_arg_serial): New function.
912         (Sized_input_reader::do_get_unused_symbol_count): New function.
913         (Sized_input_reader::do_get_unused_symbol): New function.
914         (Sized_incremental_binary::do_input_file_count): New function.
915         (Sized_incremental_binary::do_get_input_reader): Change signature;
916         use index instead of filename.
917         (Sized_incremental_binary::section_map_): New data member.
918         (Sized_incremental_binary::input_entry_readers_): New data member.
919         (class Sized_incr_relobj): New class.
920         (class Sized_incr_dynobj): New class.
921         (make_sized_incremental_object): New function.
922         (class Incremental_library): New class.
923         * layout.cc (Free_list::num_lists): New static data member.
924         (Free_list::num_nodes): New static data member.
925         (Free_list::num_removes): New static data member.
926         (Free_list::num_remove_visits): New static data member.
927         (Free_list::num_allocates): New static data member.
928         (Free_list::num_allocate_visits): New static data member.
929         (Free_list::init): New function.
930         (Free_list::remove): New function.
931         (Free_list::allocate): New function.
932         (Free_list::dump): New function.
933         (Free_list::print_stats): New function.
934         (Layout_task_runner::run): Resize output file for incremental updates.
935         (Layout::Layout): Initialize new data members.
936         (Layout::set_incremental_base): New function.
937         (Layout::init_fixed_output_section): New function.
938         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
939         incremental updates.
940         (Layout::create_gold_note): Do not create gold note section for
941         incremental updates.
942         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
943         for incremental updates.
944         (Layout::set_section_offsets): For incremental updates, allocate space
945         from free list.
946         (Layout::create_symtab_sections): Layout with offsets relative to
947         start of section; for incremental updates, allocate space from free
948         list.
949         (Layout::create_shdrs): For incremental updates, allocate space from
950         free list.
951         (Layout::finish_dynamic_section): For incremental updates, do not
952         check --as-needed (fixed in subsequent patch).
953         * layout.h (class Free_list): New class.
954         (Layout::set_incremental_base): New function.
955         (Layout::incremental_base): New function.
956         (Layout::init_fixed_output_section): New function.
957         (Layout::allocate): New function.
958         (Layout::incremental_base_): New data member.
959         (Layout::free_list_): New data member.
960         * main.cc (main): Print Free_list statistics.
961         * object.cc (Relobj::finalize_incremental_relocs): Add
962         clear_counts parameter; clear counts only when clear_counts is set.
963         (Sized_relobj::Sized_relobj): Initialize new base class.
964         (Sized_relobj::do_layout): Don't report special sections.
965         (Sized_relobj::do_for_all_local_got_entries): New function.
966         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
967         symtab_off to all symbol table offsets.
968         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
969         * object.h (class Got_offset_list): Move to top of file.
970         (Object::Object): Allow case where input_file == NULL.
971         (Object::~Object): Likewise.
972         (Object::input_file): Assert that input_file != NULL.
973         (Object::lock): Allow case where input_file == NULL.
974         (Object::unlock): Likewise.
975         (Object::is_locked): Likewise.
976         (Object::token): Likewise.
977         (Object::release): Likewise.
978         (Object::is_incremental): New function.
979         (Object::get_mtime): New function.
980         (Object::for_all_local_got_entries): New function.
981         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
982         (Object::set_is_in_system_directory): New function.
983         (Object::is_in_system_directory): New function.
984         (Object::do_is_incremental): New function.
985         (Object::do_get_mtime): New function.
986         (Object::do_for_all_local_got_entries): New function.
987         (Object::is_in_system_directory_): New data member.
988         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
989         (class Sized_relobj_base): New class.
990         (class Sized_relobj): Derive from Sized_relobj_base.
991         (class Sized_relobj::Symbols): Redeclare from base class.
992         (class Sized_relobj::local_got_offset_list): Remove.
993         (class Sized_relobj::Output_sections): Redeclare from base class.
994         (class Sized_relobj::do_for_all_local_got_entries): New function.
995         (class Sized_relobj::write_local_symbols): Add offset parameter.
996         (class Sized_relobj::local_symbol_offset_): Update comment.
997         (class Sized_relobj::local_dynsym_offset_): Update comment.
998         * options.cc (Input_arguments::add_file): Remove const.
999         * options.h (Input_file_argument::Input_file_argument):
1000         Initialize arg_serial_ (all constructors).
1001         (Input_file_argument::set_arg_serial): New function.
1002         (Input_file_argument::arg_serial): New function.
1003         (Input_file_argument::arg_serial_): New data member.
1004         (Input_arguments::Input_arguments): Initialize file_count_.
1005         (Input_arguments::add_file): Remove const.
1006         (Input_arguments::number_of_input_files): New function.
1007         (Input_arguments::file_count_): New data member.
1008         (Command_line::number_of_input_files): Call
1009         Input_arguments::number_of_input_files.
1010         * output.cc (Output_segment_headers::Output_segment_headers):
1011         Set current size.
1012         (Output_section::Input_section::current_data_size): New function.
1013         (Output_section::Output_section): Initialize new data members.
1014         (Output_section::add_input_section): Don't do merge sections for
1015         an incremental link; allocate space from free list for an
1016         incremental update.
1017         (Output_section::add_output_section_data): Allocate space from
1018         free list for an incremental update.
1019         (Output_section::update_data_size): New function.
1020         (Output_section::set_fixed_layout): New function.
1021         (Output_section::reserve): New function.
1022         (Output_segment::set_section_addresses): Remove const.
1023         (Output_segment::set_section_list_addresses): Remove const; allocate
1024         space from free list for an incremental update.
1025         (Output_segment::set_offset): Adjust size of RELRO segment for an
1026         incremental update.
1027         * output.h (Output_data::current_data_size): Move here from
1028         child classes.
1029         (Output_data::pre_finalize_data_size): New function.
1030         (Output_data::update_data_size): New function.
1031         (Output_section_headers::update_data_size): new function.
1032         (Output_section_data_build::current_data_size): Move to Output_data.
1033         (Output_data_strtab::update_data_size): New function.
1034         (Output_section::current_data_size): Move to Output_data.
1035         (Output_section::set_fixed_layout): New function.
1036         (Output_section::has_fixed_layout): New function.
1037         (Output_section::reserve): New function.
1038         (Output_section::update_data_size): New function.
1039         (Output_section::has_fixed_layout_): New data member.
1040         (Output_section::free_list_): New data member.
1041         (Output_segment::set_section_addresses): Remove const.
1042         (Output_segment::set_section_list_addresses): Remove const.
1043         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1044         New function.
1045         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1046         New function.
1047         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1048         parameter when calling Add_symbols constructor; store argument
1049         serial number for members of a lib group.
1050         (Add_symbols::locks): Allow case where token == NULL.
1051         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1052         (Read_member::~Read_member): New function.
1053         (Read_member::is_runnable): New function.
1054         (Read_member::locks): New function.
1055         (Read_member::run): New function.
1056         (Check_script::~Check_script): New function.
1057         (Check_script::is_runnable): New function.
1058         (Check_script::locks): New function.
1059         (Check_script::run): New function.
1060         (Check_library::~Check_library): New function.
1061         (Check_library::is_runnable): New function.
1062         (Check_library::locks): New function.
1063         (Check_library::run): New function.
1064         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1065         (Add_symbols::library_): New data member.
1066         (class Read_member): New class.
1067         (class Check_script): New class.
1068         (class Check_library): New class.
1069         * reloc.cc (Read_relocs::is_runnable): Allow case where
1070         token == NULL.
1071         (Read_relocs::locks): Likewise.
1072         (Scan_relocs::locks): Likewise.
1073         (Relocate_task::locks): Likewise.
1074         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1075         to clear counters.
1076         (Sized_relobj::incremental_relocs_scan): Fix comment.
1077         (Sized_relobj::do_relocate): Pass output file offset to
1078         write_local_symbols.
1079         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1080         from class declaration.
1081         * script.cc (read_input_script): Allocate Script_info; pass
1082         argument serial number to report_script.
1083         * script.h (class Script_info): Move to incremental.h.
1084         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1085         * symtab.h (Symbol_table::add_from_incrobj): New function.
1086         (Symbol_table::set_file_offset): New function.
1087
1088 2011-04-05  Cary Coutant  <ccoutant@google.com>
1089
1090         * incremental-dump.cc (dump_incremental_inputs): Change signature
1091         to take a Sized_incremental_binary; change caller.  Use readers
1092         in Sized_incremental_binary.
1093         * incremental.cc
1094         (Sized_incremental_binary::find_incremental_inputs_sections):
1095         Rename do_find_incremental_inputs_sections to this.
1096         (Sized_incremental_binary::setup_readers): New function.
1097         (Sized_incremental_binary::do_check_inputs): Check
1098         has_incremental_info_ flag; move setup code to setup_readers;
1099         use input readers.
1100         (Sized_incremental_binary::do_file_is_unchanged): New function.
1101         (Sized_incremental_binary::do_get_input_reader): New function.
1102         * incremental.h (class Incremental_binary): Move to end of file.
1103         (Incremental_binary::file_is_unchanged): New function.
1104         (Incremental_binary::do_file_is_unchanged): New function.
1105         (Incremental_binary::Input_reader): New class.
1106         (Incremental_binary::get_input_reader): New function.
1107         (class Sized_incremental_binary): Move to end of file.
1108         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1109         input section reader classes.
1110         (Sized_incremental_binary::has_incremental_info): New function.
1111         (Sized_incremental_binary::inputs_reader): New function.
1112         (Sized_incremental_binary::symtab_reader): New function.
1113         (Sized_incremental_binary::relocs_reader): New function.
1114         (Sized_incremental_binary::got_plt_reader): New function.
1115         (Sized_incremental_binary::do_file_is_unchanged): New function.
1116         (Sized_incremental_binary::Sized_input_reader): New class.
1117         (Sized_incremental_binary::get_input_reader): New function.
1118         (Sized_incremental_binary::find_incremental_inputs_sections):
1119         Rename do_find_incremental_inputs_sections to this.
1120         (Sized_incremental_binary::setup_readers): New function.
1121         (Sized_incremental_binary::has_incremental_info_): New data member.
1122         (Sized_incremental_binary::inputs_reader_): New data member.
1123         (Sized_incremental_binary::symtab_reader_): New data member.
1124         (Sized_incremental_binary::relocs_reader_): New data member.
1125         (Sized_incremental_binary::got_plt_reader_): New data member.
1126         (Sized_incremental_binary::current_input_file_): New data member.
1127
1128 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1129
1130         PR gold/12640
1131         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1132         violation.
1133
1134 2011-03-30  Cary Coutant  <ccoutant@google.com>
1135
1136         * archive.cc (Archive::include_member): Adjust call to report_object.
1137         (Add_archive_symbols::run): Add script_info to call to
1138         report_archive_begin.
1139         (Lib_group::include_member): Adjust call to report_object.
1140         (Add_lib_group_symbols::run): Adjust call to report_object.
1141         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1142         blocks.  Add object count for script input files.
1143         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1144         script_info parameter; change all callers.
1145         (Incremental_inputs::report_object): Add script_info parameter;
1146         change all callers.
1147         (Incremental_inputs::report_script): Store backpointer to
1148         incremental info entry.
1149         (Output_section_incremental_inputs::set_final_data_size): Record
1150         additional information for scripts.
1151         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1152         * incremental.h (Incremental_script_entry::add_object): New function.
1153         (Incremental_script_entry::get_object_count): New function.
1154         (Incremental_script_entry::get_object): New function.
1155         (Incremental_script_entry::objects_): New data member; adjust
1156         constructor.
1157         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1158         (Incremental_inputs::report_object): Add script_info parameter.
1159         (Incremental_inputs_reader::get_object_count): New function.
1160         (Incremental_inputs_reader::get_object_offset): New function.
1161         * options.cc (Input_arguments::add_file): Return reference to
1162         new input argument.
1163         * options.h (Input_argument::set_script_info): New function.
1164         (Input_argument::script_info): New function.
1165         (Input_argument::script_info_): New data member; adjust all
1166         constructors.
1167         (Input_file_group::add_file): Return reference to new input argument.
1168         (Input_file_lib::add_file): Likewise.
1169         (Input_arguments::add_file): Likewise.
1170         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1171         * script.cc (Parser_closure::Parser_closure): Add script_info
1172         parameter; adjust all callers.
1173         (Parser_closure::script_info): New function.
1174         (Parser_closure::script_info_): New data member.
1175         (read_input_script): Report scripts earlier to incremental info.
1176         (script_add_file): Set script_info in Input_argument.
1177         (script_add_library): Likewise.
1178         * script.h (Script_options::Script_info): Rewrite class.
1179
1180 2011-03-29  Cary Coutant  <ccoutant@google.com>
1181
1182         * archive.cc (Library_base::should_include_member): Move
1183         method here from class Archive.
1184         (Archive::Archive): Initialize base class.
1185         (Archive::should_include_member): Move to base class.
1186         (Archive::do_for_all_unused_symbols): New function.
1187         (Add_archive_symbols::run): Remove redundant access to
1188         incremental_inputs.
1189         (Lib_group::Lib_group): Initialize base class.
1190         (Lib_group::do_filename): New function.
1191         (Lib_group::include_member): Pass pointer to Lib_group to
1192         report_object.
1193         (Lib_group::do_for_all_unused_symbols): New function.
1194         (Add_lib_group_symbols::run): Report archive information for
1195         incremental links.
1196         * archive.h (class Library_base): New base class.
1197         (class Archive): Derive from Library_base.
1198         (Archive::filename): Move to base class.
1199         (Archive::set_incremental_info): Likewise.
1200         (Archive::incremental_info): Likewise.
1201         (Archive::Should_include): Likewise.
1202         (Archive::should_include_member): Likewise.
1203         (Archive::Armap_entry): Remove.
1204         (Archive::Unused_symbol_iterator): Remove.
1205         (Archive::unused_symbols_begin): Remove.
1206         (Archive::unused_symbols_end): Remove.
1207         (Archive::do_filename): New function.
1208         (Archive::do_get_mtime): New function.
1209         (Archive::do_for_all_unused_symbols): New function.
1210         (Archive::task_): Move to base class.
1211         (Archive::incremental_info_): Likewise.
1212         (class Lib_group): Derive from Library_base.
1213         (Lib_group::do_filename): New function.
1214         (Lib_group::do_get_mtime): New function.
1215         (Lib_group::do_for_all_unused_symbols): New function.
1216         (Lib_group::task_): Move to base class.
1217         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1218         function.
1219         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1220         function.
1221         * incremental.cc (Incremental_inputs::report_archive_begin):
1222         Use Library_base; call library's get_mtime; add incremental inputs
1223         entry before members.
1224         (class Unused_symbol_visitor): New class.
1225         (Incremental_inputs::report_archive_end): Use Library_base; use
1226         visitor class to record unused symbols; don't add incremental inputs
1227         entry after members.
1228         (Incremental_inputs::report_object): Use Library_base.
1229         * incremental.h
1230         (Incremental_archive_entry::Incremental_archive_entry): Remove
1231         unused Archive parameter.
1232         (Incremental_inputs::report_archive_begin): Use Library_base.
1233         (Incremental_inputs::report_archive_end): Likewise.
1234         (Incremental_inputs::report_object): Likewise.
1235         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1236         function.
1237         * object.h (Object::for_all_global_symbols): New function.
1238         (Object::do_for_all_global_symbols): New function.
1239         (Sized_relobj::do_for_all_global_symbols): New function.
1240         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1241         function.
1242         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1243         function.
1244
1245 2011-03-27  Ian Lance Taylor  <iant@google.com>
1246
1247         * archive.cc (Archive::interpret_header): Return -1 if something
1248         goes wrong.  Change callers accordingly.
1249
1250 2011-03-25  Cary Coutant  <ccoutant@google.com>
1251
1252         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1253         * testsuite/Makefile.in: Regenerate.
1254
1255 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1256
1257         * plugin.cc (get_view): New.
1258         (Plugin::load): Pass get_view to the plugin.
1259         (Plugin_manager::get_view): New.
1260
1261 2011-03-21  Ian Lance Taylor  <iant@google.com>
1262
1263         * testsuite/final_layout.sh: Rewrite to not use dc.
1264         * testsuite/relro_test.sh: Fail if dc is not present.
1265
1266 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1267
1268         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1269         Change == to -eq.
1270         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1271         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1272         Change == to -eq.
1273         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1274         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1275
1276 2011-03-14  Ian Lance Taylor  <iant@google.com>
1277
1278         * script-sections.cc (Sort_output_sections::script_compare):
1279         Rename from is_before, change return type.
1280         (Sort_output_sections::operator()): Adjust accordingly.
1281
1282 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1283
1284         PR gold/12572
1285         * testsuite/odr_violation2.cc: Add comment to make all error line
1286         numbers double digits.
1287         * testsuite/debug_msg.sh: Adjust expected errors.
1288
1289 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1290
1291         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1292         but mark earlier ones as non-canonical
1293         (offset_to_iterator): Update search target and example
1294         (do_addr2line): Return extra lines in a vector*
1295         (format_file_lineno): Extract from do_addr2line
1296         (one_addr2line): Add vector* out-param
1297         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1298         when a lineno entry appeared last for its instruction
1299         (Dwarf_line_info): Add vector* out-param
1300         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1301         * symtab.cc (Odr_violation_compare): Include the lineno in the
1302         comparison again.
1303         (linenos_from_loc): New. Combine the canonical line for an
1304         address with its other lines.
1305         (True_if_intersect): New. Helper functor to make
1306         std::set_intersection a query.
1307         (detect_odr_violations): Compare sets of lines instead of just
1308         one line for each function. This became less deterministic, but
1309         has fewer false positives.
1310         * symtab.h: Declarations.
1311         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1312         mix an optimized and non-optimized object in the same binary
1313         (odr_violation2.so): Same.
1314         * testsuite/Makefile.in: Regenerate from Makefile.am.
1315         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1316         * testsuite/debug_msg.sh: Update line numbers and add
1317         assertions.
1318         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1319         non-optimized context.
1320         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1321         isn't inlined, and use OdrDerived in an optimized context.
1322         * testsuite/odr_header1.h: Defines OdrDerived, where
1323         optimization will change the
1324         first-instruction-in-the-destructor's file and line number.
1325         * testsuite/odr_header2.h: Defines OdrBase.
1326
1327 2011-03-09  Ian Lance Taylor  <iant@google.com>
1328
1329         * fileread.cc (File_read::clear_views): Don't delete the whole
1330         file view.
1331
1332 2011-03-08  Ian Lance Taylor  <iant@google.com>
1333
1334         PR gold/12525
1335         * fileread.cc: #include <climits>.
1336         (GOLD_IOV_MAX): Define.
1337         (File_read::read_multiple): Limit number of entries by iov_max.
1338         * fileread.h (class File_read): Always set max_readv_entries to
1339         128.
1340
1341 2011-03-07  Ian Lance Taylor  <iant@google.com>
1342
1343         PR gold/12525
1344         * options.h (class General_options): Add -dy and -dn.
1345
1346 2011-03-02  Cary Coutant  <ccoutant@google.com>
1347
1348         * testsuite/script_test_9.t: Add TLS segment.
1349
1350 2011-03-02  Simon Baldwin  <simonb@google.com>
1351
1352         * configure.ac: Add check for gnu_indirect_function support in
1353         the toolchain building binutils.
1354         * configure: Rebuild.
1355
1356 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1357
1358         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1359         plugin only symbols.
1360         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1361         in plugin files as not needed in the symbol table.
1362
1363 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1364
1365         * output.cc (Output_section::add_input_section): Delay fill
1366         generation for section ordering.
1367
1368 2011-02-09  Ian Lance Taylor  <iant@google.com>
1369
1370         PR gold/12316
1371         * object.h (class Sized_relobj): Remove clear_local_symbols.
1372         * reloc.cc (Sized_relobj::do_relocate): Don't call
1373         clear_local_symbols.
1374
1375 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1376
1377         * plugin.cc (is_visible_from_outside): Return true for symbols
1378         in the -u option.
1379
1380 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1381
1382         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1383         filename.
1384
1385 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1386
1387         * icf.h (is_section_foldable_candidate): Change type of parameter
1388         to std::string.
1389         * icf.cc (Icf::find_identical_sections): Change type of local variable
1390         section_name to be std::string.
1391         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1392
1393 2011-01-25  Ian Lance Taylor  <iant@google.com>
1394
1395         * script.cc (script_add_extern): Rewrite to use
1396         add_symbol_reference.
1397
1398 2011-01-25  Doug Kwan  <dougkwan@google.com>
1399
1400         * icf.cc (get_section_contents): Always lock section's object.
1401
1402 2011-01-24  Ian Lance Taylor  <iant@google.com>
1403
1404         * options.h (class General_options): Accept
1405         --no-detect-odr-violations.
1406
1407 2011-01-24  Ian Lance Taylor  <iant@google.com>
1408
1409         * version.cc (version_string): Bump to 1.11.
1410
1411 2011-01-24  Ian Lance Taylor  <iant@google.com>
1412
1413         * plugin.cc (class Plugin_rescan): Define new class.
1414         (Plugin_manager::claim_file): Set any_claimed_.
1415         (Plugin_manager::save_archive): New function.
1416         (Plugin_manager::save_input_group): New function.
1417         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1418         necessary.
1419         (Plugin_manager::new_undefined_symbol): New function.
1420         (Plugin_manager::rescan): New function.
1421         (Plugin_manager::rescannable_defines): New function.
1422         (Plugin_manager::add_input_file): Set any_added_.
1423         * plugin.h (class Plugin_manager): define new fields rescannable_,
1424         undefined_symbols_, any_claimed_, and any_added_.  Declare
1425         Plugin_rescan as friend.  Declare new functions.
1426         (Plugin_manager::Rescannable): Define type.
1427         (Plugin_manager::Rescannable_list): Define type.
1428         (Plugin_manager::Undefined_symbol_list): Define type.
1429         (Plugin_manager::Plugin_manager): Initialize new fields.
1430         * archive.cc (Archive::defines_symbol): New function.
1431         (Add_archive_symbols::run): Pass archive to plugins if any.
1432         * archive.h (class Archive): Declare defines_symbol.
1433         * readsyms.cc (Input_group::~Input_group): New function.
1434         (Finish_group::run): Pass input_group to plugins if any.
1435         * readsyms.h (class Input_group): Declare destructor.
1436         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1437         any.
1438
1439 2011-01-10  Ian Lance Taylor  <iant@google.com>
1440
1441         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1442         section as relro.
1443         (Layout::set_segment_offsets): Reset increase_relro before calling
1444         set_section_addresses a second time.
1445
1446 2011-01-04  Cary Coutant  <ccoutant@google.com>
1447
1448         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1449         sections before NOBITS sections.
1450
1451 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1452
1453         * version.cc (print_version): Update copyright to 2011.
1454
1455 2010-12-23  Cary Coutant  <ccoutant@google.com>
1456
1457         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1458         of OS to this->add.  Add OD parameter to second form of the function.
1459
1460 2010-12-20  Ian Lance Taylor  <iant@google.com>
1461
1462         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1463         second of two consecutive entries with same offset.
1464
1465 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1466
1467         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1468         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1469         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1470         to avoid unneeded links against $(LDADD).
1471         * testsuite/Makefile.in: Regenerate.
1472
1473 2010-12-15  Ian Lance Taylor  <iant@google.com>
1474
1475         PR gold/12324
1476         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1477         for R_X86_64_32 and R_X86_64_PC32.
1478         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1479         ver_matching_def_pic.o.
1480         (ver_matching_def_pic.o): New target.
1481
1482 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1483
1484         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
1485         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
1486         Move definition before File_read::View member definitions.
1487         (File_read::View::~View): Initialize and hold lock before
1488         updating current_mapped_bytes.
1489
1490 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1491
1492         * dwarf_reader.cc: Remove outdated comment.
1493         * gold-threads.cc: Fix typo in error message.
1494         * archive.cc: Fix typos in comments.
1495         * archive.h: Likewise.
1496         * arm-reloc-property.cc: Likewise.
1497         * arm-reloc-property.h: Likewise.
1498         * arm-reloc.def: Likewise.
1499         * arm.cc: Likewise.
1500         * attributes.h: Likewise.
1501         * cref.cc: Likewise.
1502         * ehframe.cc: Likewise.
1503         * fileread.h: Likewise.
1504         * gold.h: Likewise.
1505         * i386.cc: Likewise.
1506         * icf.cc: Likewise.
1507         * incremental.h: Likewise.
1508         * int_encoding.cc: Likewise.
1509         * layout.h: Likewise.
1510         * main.cc: Likewise.
1511         * merge.h: Likewise.
1512         * object.cc: Likewise.
1513         * object.h: Likewise.
1514         * options.cc: Likewise.
1515         * readsyms.cc: Likewise.
1516         * reduced_debug_output.cc: Likewise.
1517         * reloc.cc: Likewise.
1518         * script-sections.cc: Likewise.
1519         * sparc.cc: Likewise.
1520         * symtab.h: Likewise.
1521         * target-reloc.h: Likewise.
1522         * target.cc: Likewise.
1523         * target.h: Likewise.
1524         * timer.cc: Likewise.
1525         * timer.h: Likewise.
1526         * x86_64.cc: Likewise.
1527
1528 2010-12-09  Cary Coutant  <ccoutant@google.com>
1529
1530         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
1531         stack.
1532         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
1533         parameter; change all callers.
1534         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
1535         * options.h (warn_execstack): New option.
1536
1537 2010-12-07  Doug Kwan  <dougkwan@google.com>
1538
1539         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
1540         like function call relocations.
1541
1542 2010-12-07  Ian Lance Taylor  <iant@google.com>
1543
1544         * archive.cc (Archive::get_elf_object_for_member): Permit
1545         punconfigured to be NULL.
1546         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
1547         (Archive::include_member): Pass NULL to get_elf_object_for_member
1548         if we searched for the archive and this is the first included
1549         object.
1550
1551 2010-12-01  Ian Lance Taylor  <iant@google.com>
1552
1553         * dwarf_reader.h (class Sized_dwarf_line_info): Add
1554         track_relocs_type_ field.
1555         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1556         Set track_relocs_type_.
1557         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
1558         contents when using RELA relocs.
1559         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
1560         reloc_map_.
1561         * reloc.cc (Track_relocs::next_addend): New function.
1562         * reloc.h (class Track_relocs): Declare next_addend.
1563
1564 2010-12-01  Ian Lance Taylor  <iant@google.com>
1565
1566         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
1567         virtual destructor.
1568
1569 2010-12-01  Ian Lance Taylor  <iant@google.com>
1570
1571         * README: Update compilers known to work and fail.
1572
1573 2010-11-23  Matthias Klose  <doko@ubuntu.com>
1574
1575         * configure.in: For --enable-gold, handle value `default' instead of
1576         `both*'.  Always install ld as ld.bfd, install as ld if gold is
1577         not the default.
1578         * configure: Regenerate.
1579
1580 2010-11-18  Doug Kwan  <dougkwan@google.com>
1581
1582         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
1583         and right_alignment to be zero.  Store result alignment only if it is
1584         greater than existing alignment.
1585
1586 2010-11-16  Cary Coutant  <ccoutant@google.com>
1587
1588         PR gold/12220
1589         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1590         Check for ".zdebug_line".
1591
1592 2010-11-16  Doug Kwan  <dougkwan@google.com>
1593             Cary Coutant  <ccoutant@google.com>
1594
1595         * output.h (Output_segment::set_section_addresses): Pass increase_relro
1596         by reference; adjust all callers.
1597         * output.cc (Output_segment::set_section_addresses): Adjust references
1598         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
1599         list is empty.
1600         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
1601         end at page boundary.
1602
1603 2010-11-16  Cary Coutant  <ccoutant@google.com>
1604
1605         PR gold/12220
1606         * layout.cc (Layout::choose_output_section): Transform names of
1607         compressed sections even when using a script with a SECTIONS clause.
1608         (Layout::output_section_name): Remove code to transform
1609         compressed debug section names.
1610         * output.cc (Output_section::add_input_section): Use uncompressed
1611         section size when tracking input sections.
1612
1613 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
1614
1615         * symtab.h (Symbol::NON_PIC_REF): Remove.
1616         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
1617         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
1618         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
1619         (Symbol::use_plt_offset): Take a flags argument and pass it
1620         directly to needs_dynamic_reloc.  Restrict check for undefined
1621         weak symbols to function calls.
1622         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
1623         (Target_arm::Scan::global): Use it.
1624         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
1625         (Target_arm::Relocate::relocate): Likewise.
1626         (Target_arm::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_arm::Relocate::relocate): Update accordingly.
1630         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
1631         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
1632         (Target_i386::Scan::global): Likewise.
1633         (Target_i386::Relocate::relocate): Likewise.
1634         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
1635         parameter with an r_type parameter.  Use get_reference_flags
1636         to get the flags.
1637         (Target_i386::Relocate::relocate): Update accordingly.
1638         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1639         (Target_powerpc::Scan::global): Use it.
1640         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1641         (Target_powerpc::Relocate::relocate): Likewise.
1642         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1643         (Target_sparc::Scan::global): Use it.
1644         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1645         (Target_sparc::Relocate::relocate): Likewise.
1646         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1647         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1648         (Target_x86_64::Scan::global): Likewise.
1649         (Target_x86_64::Relocate::relocate): Likewise.
1650
1651 2010-11-08  Doug Kwan  <dougkwan@google.com>
1652             Cary Coutant  <ccoutant@google.com>
1653
1654         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1655         (Arm_exidx_merge_section::section_contents_): New data member.
1656         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1657         (Arm_input_section::~Arm_input_section): De-allocate memory.
1658         (Arm_input_section::original_contents_): New data member.       
1659         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1660         in parameters instead of calling Object::section_contents without
1661         locking.
1662         (Arm_output_section::group_section): New parameter TASK.  Pass it
1663         to callees that need locking objects.
1664         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1665         to lock EXIDX input sections.  Fix a formatting issue.  Call
1666         Arm_exidx_merged_section::build_contents to create merged section
1667         contents.
1668         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1669         to lock object of stub table owner.
1670         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1671         TEXT_SIZE to initialize data member TEXT_SIZE_.
1672         (Arm_exidx_input_section::addralign): Fix typo in comment.
1673         (Arm_exidx_input_section::text_size): New method.
1674         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1675         that require locking objects.  Lock objects before scanning for stubs
1676         and updating local symbols.
1677         (Arm_input_section<big_endian>::init): Copy contents of original
1678         input section.
1679         (Arm_input_section<big_endian>::do_write): Use saved contents of
1680         original input section instead of calling Object::section_contents
1681         without locking.
1682         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1683         size without calling Object::section_size().
1684         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1685         for size.  Allocate a buffer for merged EXIDX entries.
1686         (Arm_exidx_merged_section::build_contents): New method.
1687         (Arm_exidx_merged_section::do_write): Move merge section contents
1688         building code to Arm_exidx_merged_section::build_contetns.  Write
1689         out contetns in buffer instead of building it on the fly.
1690         (Arm_relobj::make_exidx_input_section): Also pass text section size
1691         to Arm_exidx_input_section constructor.
1692         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1693         (Arm_dynobj::do_read_symbols): Fix memory leak.
1694         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1695         * target.h: (class Task): Add forward declaration.
1696         (Target::relax): Add new parameter TASK and pass it to
1697         Target::do_relax().
1698         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1699
1700 2010-11-05  Cary Coutant  <ccoutant@google.com>
1701
1702         PR gold/10708
1703         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1704         object when reading from the file.
1705         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1706         second layout pass.
1707         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1708         when reading section contents.
1709         (get_section_contents): Likewise.
1710         (icf::find_identical_sections): Likewise.
1711         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1712         object when reading from the file.
1713         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1714         the object when doing deferred section layout.
1715
1716 2010-11-03  Nick Clifton  <nickc@redhat.com>
1717
1718         PR gold/12001
1719         * script.h (class Symbol_assignment: name): New member.  Returns
1720         the name of the symbol.
1721         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1722         Returns true if the given symbol name is on the list of
1723         assignments wating to be processed.
1724         * archive.cc (should_incldue_member): If the symbol is undefined,
1725         check to see if it is on the list of symbols pending assignment.
1726
1727 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1728
1729         * script-sections.cc (Script_sections::find_memory_region): Check
1730         for a NULL output section pointer.
1731
1732 2010-10-29  Doug Kwan  <dougkwan@google.com>
1733
1734         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1735         Output_section::add_relaxed_input_section.
1736         * output.cc (Output_section::add_relaxed_input_section): Add new
1737         arguments LAYOUT and NAME.  Set section order index.
1738         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1739         Copy section order index.
1740         * output.h (Output_section::add_relaxed_input_section): Add new
1741         arguments LAYOUT and NAME.
1742
1743 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1744
1745         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1746         NATIVE_OR_CROSS_LINKER.
1747         * testsuite/Makefile.in: Regenerate.
1748
1749 2010-10-20  Doug Kwan  <dougkwan@google.com>
1750
1751         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1752         without SHF_LINK_ORDER flags.
1753         * layout.cc (Layout::choose_output_section): Do not filter
1754         SHF_LINK_ORDER flag in a relocatable link.
1755
1756 2010-10-17  Cary Coutant  <ccoutant@google.com>
1757
1758         * output.h (Output_segment::set_section_addresses): Change function
1759         signature.  Update all callers.
1760         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1761         sections.
1762         (Output_segment::set_section_addresses): Align after last TLS
1763         section.  Add padding before last relro section instead of after.
1764
1765 2010-10-17  Doug Kwan  <dougkwan@google.com>
1766
1767         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1768         GOT output section to be writable.
1769
1770 2010-10-14  Cary Coutant  <ccoutant@google.com>
1771
1772         * debug.h (DEBUG_INCREMENTAL): New flag.
1773         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1774         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1775         mode.
1776         * incremental.cc (report_command_line): Ignore all forms of
1777         --incremental.
1778         * layout.cc (Layout::Layout): Check parameters for incremental link
1779         mode.
1780         * options.cc (General_options::parse_incremental): New function.
1781         (General_options::parse_no_incremental): New function.
1782         (General_options::parse_incremental_full): New function.
1783         (General_options::parse_incremental_update): New function.
1784         (General_options::incremental_mode_): New data member.
1785         (General_options::finalize): Check incremental_mode_.
1786         * options.h (General_options): Update help text for --incremental.
1787         Add --no-incremental, --incremental-full, --incremental-update.
1788         (General_options::Incremental_mode): New enum type.
1789         (General_options::incremental_mode): New function.
1790         (General_options::incremental_mode_): New data member.
1791         * parameters.cc (Parameters::incremental_mode_): New data member.
1792         (Parameters::set_options): Set incremental_mode_.
1793         (Parameters::set_incremental_full): New function.
1794         (Parameters::incremental): New function.
1795         (Parameters::incremental_update): New function.
1796         (set_parameters_incremental_full): New function.
1797         * parameters.h (Parameters::set_incremental_full): New function.
1798         (Parameters::incremental): New function.
1799         (Parameters::incremental_update): New function.
1800         (Parameters::incremental_mode_): New data member.
1801         (set_parameters_incremental_full): New function.
1802         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1803         incremental link mode.
1804         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1805         (Sized_relobj::do_relocate_sections): Likewise.
1806         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1807         option.
1808         * testsuite/Makefile.in: Regenerate.
1809         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1810
1811 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1812
1813         * script-sections.h (class Script_sections): Make
1814         Sections_elements typedef public.
1815         * script-sections.cc (class Sort_output_sections): Add elements_
1816         field.  Add constructor which sets it; change all callers.
1817         (Sort_output_sections::is_before): New function.
1818         (Sort_output_sections::operator()): Call is_before.
1819         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1820         conditional.
1821         * testsuite/script_test_10.sh: New test. Test script section
1822         order.
1823         * testsuite/script_test_10.t: Likewise.
1824         * testsuite/script_test_10.s: Likewise.
1825         * testsuite/Makefile.am: Wrap the cross linker tests and the
1826         common tests into NATIVE_OR_CROSS_LINKER.
1827         (check_SCRIPTS): Add script_test_10.sh.
1828         (check_DATA): Add script_test_10.stdout.
1829         (script_test_10.o, script_test_10): New targets.
1830         (script_test_10.stdout): New target.
1831         * configure, testsuite/Makefile.in: Regenerate.
1832
1833 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1834
1835         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1836         error for the deprecated relocations.
1837         (Target_arm::Scan::global): Likewise.
1838         (Target_arm::Relocate::relocate): Likewise.
1839
1840 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1841
1842         * fileread.cc (Input_file::find_file): Initialize *found_name
1843         and *namep when using the fallback search for case 4.
1844
1845 2010-10-11  Cary Coutant  <ccoutant@google.com>
1846
1847         * options.h (class General_options): Redefine -z lazy as an alias for
1848         the negation of -z now.
1849
1850 2010-10-11  Ian Lance Taylor  <iant@google.com>
1851
1852         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1853         binding.
1854
1855 2010-10-06  Nick Clifton  <nickc@redhat.com>
1856
1857         * script-sections.cc(class Memory_region): Remove
1858         current_lma_offset_ field.  Rename current_vma_offset_ to
1859         current_offset_.  Add last_section_ field.
1860         (Memory_region::get_current_vma_address): Rename to
1861         get_current_address.
1862         (Memory_region::get_current_lma_address): Delete.
1863         (Memory_region::increment_vma_offset): Rename to
1864         increment_offset.
1865         (Memory_region::increment_lma_offset): Delete.
1866         (Memory_region::attributes_compatible): New method.  Returns
1867         true if the provided section is compatible with the region.
1868         (Memory_region::get_last_section): New method.  Returns the last
1869         section to use the region.
1870         (Memory_region::set_last_section): New method.  Stores the last
1871         section to use the region.
1872         (Script_sections::block_in_region): New method.  Returns true if
1873         a block of memory is contained within a region.
1874         (Script_sections::find_memory_region): New method.  Locates a
1875         memory region to be used to set a VMA or LMA address.
1876         (Output_section_definition::set_section_addresses): Add code to
1877         check for addresses set by memory regions.
1878         (Output_segment::set_section_addresses): Remove memory region
1879         walking code.
1880         (Script_sections::create_segment): Add a warning if a header
1881         segment is created outside of any region.
1882         * script-sections.h (class Script_sections): Add prototypes for
1883         find_memory_region and block_in_region methods.
1884         * testsuite/memory_test.s: Use .long instead of .word.
1885         * testsuite/memory_test.t: Add some more output sections.
1886         * testsuite/memory_test.sh: Update expected output.
1887
1888 2010-10-02  Doug Kwan  <dougkwan@google.com>
1889
1890         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1891         defintion to symtab.h
1892         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1893         declaration to defintion.
1894
1895 2010-10-01  Nick Clifton  <nickc@redhat.com>
1896
1897         * expression.cc (eval): Replace dummy argument with NULL.
1898         (eval_maybe_dot): Check for a NULL result section pointer.
1899         (Symbol_expression::value): Likewise.
1900         (Dot_expression::value): Likewise.
1901         (BINARY_EXPRESSION): Likewise.
1902         (Max_expression::value): Likewise.
1903         (Min_expression::value): Likewise.
1904         (Absolute_expression::value): Likewise.
1905         (Addr_expression::value_from_output_section): Likewise.
1906         (Loaddddr_expression::value_from_output_section): Likewise.
1907         (Segment_start_expression::value): Likewise.
1908         * script-sections.cc
1909         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1910         argument with NULL.
1911         (Sections_elememt_dot_assignment::set_section_addresses):
1912         Likewise.
1913         (Output_data_expression::do_write_to_buffer): Likewise.
1914         (Output_section_definition::finalize_symbols): Likewise.
1915         (Output_section_definition::set_section_addresses): Likewise.
1916
1917 2010-09-30  Doug Kwan  <dougkwan@google.com>
1918
1919         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1920
1921 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1922
1923         * target.h (Target::can_icf_inline_merge_sections): New virtual
1924         function.
1925         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1926         virtual function.
1927         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1928         virtual function.
1929         * icf.cc (get_section_contents): Inline merge sections only when
1930         target allows it.
1931
1932 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1933
1934         * configure: Regenerate.
1935
1936 2010-09-17  Ian Lance Taylor  <iant@google.com>
1937
1938         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1939         * testsuite/Makefile.am (memory_test.o): New target.
1940         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1941         memory_test.t.
1942         * testsuite/Makefile.in: Rebuild.
1943
1944 2010-09-17  Doug Kwan  <dougkwan@google.com>
1945
1946         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
1947         defintion if relocation uses GOT entries of the symbol.
1948         * testsuite/icf_safe_test.sh: Fix test.
1949         * testsuite/icf_safe_so_test.sh: Fix test.
1950
1951 2010-09-16  Cary Coutant  <ccoutant@google.com>
1952
1953         * script_sections.cc (class Memory_region): Remove "NULL" from
1954         vector initializations.
1955
1956 2010-09-15  Cary Coutant  <ccoutant@google.com>
1957
1958         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
1959         Resolve forwarding symbols.
1960
1961 2010-09-15  Doug Kwan  <dougkwan@google.com>
1962
1963         * gold/testsuite/script_test_3.t: Add ARM special sections.
1964         * gold/testsuite/script_test_4.t: Same.
1965         * gold/testsuite/script_test_5.t: Same.
1966         * gold/testsuite/script_test_6.t: Same.
1967         * gold/testsuite/script_test_7.t: Same.
1968         * gold/testsuite/script_test_7.t: Same.
1969         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
1970
1971 2010-09-14  Cary Coutant  <ccoutant@google.com>
1972
1973         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
1974         (Target_x86_64::Relocate::relocate_tls): Replace check for
1975         saw_tls_block_reloc_ with test for executable section.
1976
1977 2010-09-12  Cary Coutant  <ccoutant@google.com>
1978
1979         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
1980         position-independent executables to shared libraries need dynamic
1981         relocations.
1982         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
1983         position-independent executables.
1984         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
1985         * testsuite/Makefile.in: Regenerate.
1986
1987 2010-09-10  Nick Clifton  <nickc@redhat.com>
1988
1989         PR gold/11997
1990         * testsuite/memory_test.t: Discard any sections that are not
1991         needed.
1992
1993 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1994
1995         PR gold/11996
1996         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
1997         "This::" to work around a bug in gcc 4.2.
1998
1999         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2000
2001 2010-09-09  Rafael Espindola  <espindola@google.com>
2002
2003         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2004         sections with different PF_X flags in the same segment.
2005         (Layout::find_first_load_seg): Search all segments to find the first
2006         one.
2007         * options.h (rosegment): New.
2008
2009 2010-09-08  Rafael Espindola  <espindola@google.com>
2010
2011         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2012
2013 2010-09-08  Doug Kwan  <dougkwan@google.com>
2014
2015         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2016         (Arm_relobj::do_relocate_sections): Add new parameter for output
2017         file to match the parent.
2018         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2019         of local symbols instead of input values.  Update code to track
2020         changes in gold::relocate_section.
2021         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2022         (Sized_relobj::compute_final_local_value_internal): New methods.
2023         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2024         body into private version of Sized_relobj::compute_final_local_value.
2025         Call the inline method.
2026         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2027         merged symbol value if there is one.
2028         (Symbol_value::has_output_value): New method defintiion.
2029         (Sized_relobj::Compute_final_local_value_status): New enum type.
2030         (Sized_relobj::compute_final_local_value): New methods.
2031         (Sized_relobj::compute_final_local_value_internal): New methods.
2032         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2033         and arm_cortex_a8.sh.
2034         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2035         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2036         New tests.
2037         * Makefile.in: Regenerate.
2038         * testsuite/arm_bl_out_of_range.s: Update test.
2039         * testsuite/thumb_bl_out_of_range.s: Ditto.
2040         * testsuite/thumb_blx_out_of_range.s: Ditto.
2041         * testsuite/arm_branch_out_of_range.sh: New file.
2042         * testsuite/arm_cortex_a8.sh: Ditto.
2043         * testsuite/arm_cortex_a8_b.s: Ditto.
2044         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2045         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2046         * testsuite/arm_cortex_a8_bl.s: Ditto.
2047         * testsuite/arm_cortex_a8_blx.s: Ditto.
2048         * testsuite/arm_cortex_a8_local.s: Ditto.
2049         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2050         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2051
2052 2010-09-08  Rafael Espindola  <espindola@google.com>
2053
2054         * Makefile.am (memory_test.stdout): Run readelf with -W.
2055         * Makefile.in: Regenerate.
2056         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2057         64 bit output.
2058
2059 2010-09-08  Rafael Espindola  <espindola@google.com>
2060
2061         * script-sections.cc (Script_sections::add_memory_region): Convert
2062         field precision to int.
2063         * script.cc (script_set_section_region, script_set_section_region):
2064         Convert field precision to int.
2065
2066 2010-09-08  Rafael Espindola  <espindola@google.com>
2067
2068         * arm.cc (do_finalize_sections): Create the __exidx_start and
2069         __exdix_end symbols even when the section is missing.
2070
2071 2010-09-08  Nick Clifton  <nickc@redhat.com>
2072
2073         * README: Remove claim that MEMORY is not supported.
2074         * expression.cc (script_exp_function_origin)
2075         (script_exp_function_length): Move from here to ...
2076         * script.cc: ... here.
2077         (script_set_section_region, script_add_memory)
2078         (script_parse_memory_attr, script_include_directive): New
2079         functions.
2080         * script-sections.cc
2081         (class Memory_region): New class.
2082         (class Output_section_definition): Add set_memory_region,
2083         set_section_vma, set_section_lma and get_section_name methods.
2084         (class Script_Sections): Add add_memory_region,
2085         find_memory_region, find_memory_region_origin,
2086         find_memory_region_length and set_memory_region methods.
2087         Have set_section_addresses method walk the list of set memory
2088         regions.
2089         Extend the print methos to display memory regions.
2090         * script-sections.h: Add prototypes for new methods.
2091         Add enum for MEMORY region attributes.
2092         * yyscript.y: Add support for parsing MEMORY regions.
2093         * script-c.h: Add prototypes for new functions.
2094         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2095         * testsuite/Makefile.in: Regenerate.
2096         * testsuite/memory_test.sh: New script.
2097         * testsuite/memory_test.s: New assembler source file.
2098         * testsuite/memory_test.t: New linker script.
2099
2100 2010-08-27  Doug Kwan  <dougkwan@google.com>
2101
2102         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2103         reference override an existing dynamic weak reference.
2104         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2105         * testsuite/Makefile.in: Regenerate.
2106         * testsuite/dyn_weak_ref.sh: New file.
2107         * testsuite/dyn_weak_ref_1.c: Ditto.
2108         * testsuite/dyn_weak_ref_2.c: Ditto.
2109
2110 2010-08-27  Ian Lance Taylor  <iant@google.com>
2111
2112         * incremental.h (class Incremental_input_entry): Add virtual
2113         destructor.
2114
2115 2010-08-27  Ian Lance Taylor  <iant@google.com>
2116
2117         * testsuite/start_lib_test_3.c: Mark t3 as used.
2118
2119 2010-08-27  Nick Clifton  <nickc@redhat.com>
2120
2121         * options.cc (version_script): Fix small typo in previous
2122         whitespace tidyup.
2123
2124 2010-08-25  Nick Clifton  <nickc@redhat.com>
2125
2126         * archive.cc: Formatting fixes: Remove whitespace between
2127         typename and following asterisk.  Remove whitespace between
2128         function name and opening parenthesis.
2129         * archive.h: Likewise.
2130         * arm.cc: Likewise.
2131         * attributes.cc: Likewise.
2132         * attributes.h: Likewise.
2133         * common.cc: Likewise.
2134         * copy-relocs.cc: Likewise.
2135         * dirsearch.h: Likewise.
2136         * dynobj.cc: Likewise.
2137         * ehframe.cc: Likewise.
2138         * ehframe.h: Likewise.
2139         * expression.cc: Likewise.
2140         * fileread.cc: Likewise.
2141         * fileread.h: Likewise.
2142         * gc.h: Likewise.
2143         * gold-threads.cc: Likewise.
2144         * gold.cc: Likewise.
2145         * i386.cc: Likewise.
2146         * icf.h: Likewise.
2147         * incremental-dump.cc: Likewise.
2148         * incremental.cc: Likewise.
2149         * layout.cc: Likewise.
2150         * layout.h: Likewise.
2151         * main.cc: Likewise.
2152         * merge.cc: Likewise.
2153         * merge.h: Likewise.
2154         * object.cc: Likewise.
2155         * object.h: Likewise.
2156         * options.cc: Likewise.
2157         * options.h: Likewise.
2158         * output.cc: Likewise.
2159         * output.h: Likewise.
2160         * plugin.cc: Likewise.
2161         * plugin.h: Likewise.
2162         * powerpc.cc: Likewise.
2163         * reloc.cc: Likewise.
2164         * script-c.h: Likewise.
2165         * script-sections.cc: Likewise.
2166         * script.cc: Likewise.
2167         * stringpool.cc: Likewise.
2168         * symtab.cc: Likewise.
2169         * symtab.h: Likewise.
2170         * target.cc: Likewise.
2171         * timer.cc: Likewise.
2172         * timer.h: Likewise.
2173         * version.cc: Likewise.
2174         * x86_64.cc: Likewise.
2175
2176 2010-08-24  Nick Clifton  <nickc@redhat.com>
2177
2178         PR 11899
2179         * layout.cc (segment_precedes): Sort segments by their physical
2180         addresses, if they have been set.
2181
2182 2010-08-23  Cary Coutant  <ccoutant@google.com>
2183
2184         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2185         symbols data.
2186         (Lib_group::include_member): Unlock object after deleting its
2187         symbols data.
2188         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2189         the bug fixed here.
2190
2191 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2192             Cary Coutant  <ccoutant@google.com>
2193
2194         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2195         constructor, and set_blocker.
2196         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2197         readsyms_blocker_.
2198         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2199         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2200         * testsuite/Makefile.am (start_lib_test): New test case.
2201         * testsuite/Makefile.in: Regenerate.
2202         * testsuite/start_lib_test_main.c: New file.
2203         * testsuite/start_lib_test_1.c: New file.
2204         * testsuite/start_lib_test_2.c: New file.
2205         * testsuite/start_lib_test_3.c: New file.
2206
2207 2010-08-19  Ian Lance Taylor  <iant@google.com>
2208
2209         * Makefile.in: Rebuild with automake 1.11.1.
2210         * aclocal.m4: Likewise.
2211         * testsuite/Makefile.in: Likewise.
2212
2213 2010-08-19  Ian Lance Taylor  <iant@google.com>
2214
2215         PR 10893
2216         * i386.cc (class Output_data_plt_i386): Update declarations.
2217         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2218         local_ifuncs_ fields.
2219         (Target_i386::do_plt_section_for_global): New function.
2220         (Target_i386::do_plt_section_for_local): New function.
2221         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2222         parameter; change all callers.  Initialize global_ifuncs_ and
2223         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2224         __rel_iplt_end.
2225         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2226         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2227         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2228         symbols.
2229         (Target_i386::make_plt_section): New function, broken out of
2230         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2231         (Target_i386::make_plt_entry): Call make_plt_section.
2232         (Target_i386::make_local_ifunc_plt_entry): New function.
2233         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2234         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2235         R_386_IRELATIVE to switch.
2236         (Target_i386::Scan::global): Likewise.
2237         (Target_i386::Relocate::relocate): Likewise.
2238         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2239         switch.
2240         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2241         (Target_x86_64::do_plt_section_for_global): New function.
2242         (Target_x86_64::do_plt_section_for_local): New function.
2243         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2244         parameter; change all callers.  If doing a static link define
2245         __rela_iplt_start and __rela_iplt_end.
2246         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2247         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2248         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2249         to point to .plt.
2250         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2251         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2252         switch.
2253         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2254         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2255         R_X86_64_IRELATIVE to switch.
2256         (Target_x86_64::Scan::global): Likewise.
2257         (Target_x86_64::Relocate::relocate): Likewise.
2258         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2259         switch.
2260         * target.h (class Target): Add plt_section_for_global and
2261         plt_section_for_local functions.  Add do_plt_section_for_global
2262         and do_plt_section_for_local virtual functions.
2263         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2264         clarifying comments.
2265         (Symbol::use_plt_offset): Handle IFUNC symbol.
2266         * object.cc (Sized_relobj::Sized_relobj): Initialize
2267         local_plt_offsets_.
2268         (Sized_relobj::local_has_plt_offset): New function.
2269         (Sized_relobj::local_plt_offset): New function.
2270         (Sized_relobj::set_local_plt_offset): New function.
2271         (Sized_relobj::do_count): Handle IFUNC symbol.
2272         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2273         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2274         is_ifunc_symbol functions.
2275         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2276         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2277         local_plt_offsets_ field.
2278         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2279         * output.h (class Output_section_data): Add non-const
2280         output_section function.
2281         (class Output_data_got): Update declarations.
2282         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2283         Add use_plt_offset parameter to global and local constructors.
2284         Change all callers.  Change local_sym_index_ field to 31 bits.
2285         Change GSYM_CODE and CONSTANT_CODE accordingly.
2286         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2287         doing a static link don't set sh_link field.
2288         (Output_data_got::Got_entry::write): Use PLT offset if
2289         appropriate.
2290         (Output_data_got::add_global_plt): New function.
2291         (Output_data_got::add_local_plt): New function.
2292         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2293         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2294         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2295         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2296         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2297         IFUNC conditional.
2298         * testsuite/ifunc-sel.h: New file.
2299         * testsuite/ifuncmain1.c: New file.
2300         * testsuite/ifuncmain1vis.c: New file.
2301         * testsuite/ifuncmod1.c: New file.
2302         * testsuite/ifuncdep2.c: New file.
2303         * testsuite/ifuncmain2.c: New file.
2304         * testsuite/ifuncmain3.c: New file.
2305         * testsuite/ifuncmod3.c: New file.
2306         * testsuite/ifuncmain4.c: New file.
2307         * testsuite/ifuncmain5.c: New file.
2308         * testsuite/ifuncmod5.c: New file.
2309         * testsuite/ifuncmain6pie.c: New file.
2310         * testsuite/ifuncmod6.c: New file.
2311         * testsuite/ifuncmain7.c: New file.
2312         * configure, testsuite/Makefile.in: Rebuild.
2313
2314 2010-08-18  Ian Lance Taylor  <iant@google.com>
2315
2316         * incremental.cc
2317         (Output_section_incremental_inputs::write_input_files): Add cast
2318         to avoid signed/unsigned comparison warning.
2319         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2320
2321 2010-08-12  Cary Coutant  <ccoutant@google.com>
2322
2323         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2324
2325 2010-08-13  Ian Lance Taylor  <iant@google.com>
2326
2327         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2328
2329 2010-08-12  Cary Coutant  <ccoutant@google.com>
2330             Doug Kwan  <dougkwan@google.com>
2331
2332         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2333         defintion overrides non-weak undef, remember that the original undef
2334         is not weak.
2335         * symtab.cc (Symbol_table::sized_write_global): For undef without
2336         an original weak binding, set binding to global in output.
2337         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2338         * testsuite/Makefile.in: Regenerate.
2339         * testsuite/strong_ref_weak_def.sh: New file.
2340         * testsuite/strong_ref_weak_def_1.c: Ditto.
2341         * testsuite/strong_ref_weak_def_2.c: Ditto.
2342
2343 2010-08-12  Cary Coutant  <ccoutant@google.com>
2344
2345         * testsuite/incremental_test.sh: Rewrite.
2346         * testsuite/incremental_test_1.c: Rewrite.
2347         * testsuite/incremental_test_2.c: Rewrite.
2348
2349 2010-08-12  Cary Coutant  <ccoutant@google.com>
2350
2351         * arm.cc (Target_arm::got_size): Add const.
2352         (Target_arm::got_entry_count): New function.
2353         (Target_arm::plt_entry_count): New function.
2354         (Target_arm::first_plt_entry_offset): New function.
2355         (Target_arm::plt_entry_size): New function.
2356         (Output_data_plt_arm::entry_count): New function.
2357         (Output_data_plt_arm::first_plt_entry_offset): New function.
2358         (Output_data_plt_arm::get_plt_entry_size): New function.
2359         * i386.cc (Target_i386::got_size): Add const.
2360         (Target_i386::got_entry_count): New function.
2361         (Target_i386::plt_entry_count): New function.
2362         (Target_i386::first_plt_entry_offset): New function.
2363         (Target_i386::plt_entry_size): New function.
2364         (Output_data_plt_i386::entry_count): New function.
2365         (Output_data_plt_i386::first_plt_entry_offset): New function.
2366         (Output_data_plt_i386::get_plt_entry_size): New function.
2367         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2368         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2369         * incremental.cc: Include target.h.
2370         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2371         parameter.  Adjust all callers.  Find incremental_got_plt section.
2372         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2373         section.
2374         (Output_section_incremental_inputs::set_final_data_size): Calculate
2375         size of incremental_got_plt section.
2376         (Output_section_incremental_inputs::do_write): Write the
2377         incremental_got_plt section.
2378         (Got_plt_view_info): New struct.
2379         (Local_got_offset_visitor): New class.
2380         (Global_got_offset_visitor): New class.
2381         (Global_symbol_visitor_got_plt): New class.
2382         (Output_section_incremental_inputs::write_got_plt): New function.
2383         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2384         Add parameter.  Adjust all callers.
2385         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2386         (Incremental_inputs::got_plt_section): New function.
2387         (Incremental_inputs::got_plt_section_): New data member.
2388         (Incremental_got_plt_reader): New class.
2389         * layout.cc (Layout::create_incremental_info_sections): Add the
2390         incremental_got_plt section.
2391         * object.h (Got_offset_list::get_list): New function.
2392         (Got offset_list::for_all_got_offsets): New function.
2393         (Sized_relobj::local_got_offset_list): New function.
2394         * powerpc.cc (Target_powerpc::got_size): Add const.
2395         (Target_powerpc::got_entry_count): New function.
2396         (Target_powerpc::plt_entry_count): New function.
2397         (Target_powerpc::first_plt_entry_offset): New function.
2398         (Target_powerpc::plt_entry_size): New function.
2399         (Output_data_plt_powerpc::entry_count): New function.
2400         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2401         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2402         * sparc.cc (Target_sparc::got_size): Add const.
2403         (Target_sparc::got_entry_count): New function.
2404         (Target_sparc::plt_entry_count): New function.
2405         (Target_sparc::first_plt_entry_offset): New function.
2406         (Target_sparc::plt_entry_size): New function.
2407         (Output_data_plt_sparc::entry_count): New function.
2408         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2409         (Output_data_plt_sparc::get_plt_entry_size): New function.
2410         * symtab.h (Symbol::got_offset_list): New function.
2411         (Symbol_table::for_all_symbols): New function.
2412         * target.h (Sized_target::got_entry_count): New function.
2413         (Sized_target::plt_entry_count): New function.
2414         (Sized_target::plt_entry_size): New function.
2415         * x86_64.cc (Target_x86_64::got_size): Add const.
2416         (Target_x86_64::got_entry_count): New function.
2417         (Target_x86_64::plt_entry_count): New function.
2418         (Target_x86_64::first_plt_entry_offset): New function.
2419         (Target_x86_64::plt_entry_size): New function.
2420         (Output_data_plt_x86_64::entry_count): New function.
2421         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2422         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2423
2424 2010-08-12  Cary Coutant  <ccoutant@google.com>
2425
2426         * archive.cc: Include incremental.h.
2427         (Archive::Archive): Initialize incremental_info_.
2428         (Archive::include_member): Record archive members in incremental info.
2429         (Add_archive_symbols::run): Record begin and end of an archive in
2430         incremental info.
2431         (Lib_group::include_member): Record objects in incremental info.
2432         * archive.h (Incremental_archive_entry): Forward declaration.
2433         (Archive::set_incremental_info): New member function.
2434         (Archive::incremental_info): New member function.
2435         (Archive::Unused_symbol_iterator): New class.
2436         (Archive::unused_symbols_begin): New member function.
2437         (Archive::unused_symbols_end): New member function.
2438         (Archive::incremental_info_): New data member.
2439         * incremental-dump.cc (find_input_containing_global): New function.
2440         (dump_incremental_inputs): Dump new incremental info sections.
2441         * incremental.cc: Include symtab.h.
2442         (Output_section_incremental_inputs): New class.
2443         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2444         new incremental info sections.
2445         (Sized_incremental_binary::do_check_inputs): Likewise.
2446         (Incremental_inputs::report_archive): Remove.
2447         (Incremental_inputs::report_archive_begin): New function.
2448         (Incremental_inputs::report_archive_end): New function.
2449         (Incremental_inputs::report_object): New function.
2450         (Incremental_inputs::finalize_inputs): Remove.
2451         (Incremental_inputs::report_input_section): New function.
2452         (Incremental_inputs::report_script): Rewrite.
2453         (Incremental_inputs::finalize): Do nothing but finalize string table.
2454         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2455         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2456         (Incremental_inputs::create_data_sections): New function.
2457         (Incremental_inputs::relocs_entsize): New function.
2458         (Output_section_incremental_inputs::set_final_data_size): New function.
2459         (Output_section_incremental_inputs::do_write): New function.
2460         (Output_section_incremental_inputs::write_header): New function.
2461         (Output_section_incremental_inputs::write_input_files): New function.
2462         (Output_section_incremental_inputs::write_info_blocks): New function.
2463         (Output_section_incremental_inputs::write_symtab): New function.
2464         * incremental.h (Incremental_script_entry): Forward declaration.
2465         (Incremental_object_entry): Forward declaration.
2466         (Incremental_archive_entry): Forward declaration.
2467         (Incremental_inputs): Forward declaration.
2468         (Incremental_inputs_header_data): Remove.
2469         (Incremental_inputs_header): Remove.
2470         (Incremental_inputs_header_write): Remove.
2471         (Incremental_inputs_entry_data): Remove.
2472         (Incremental_inputs_entry): Remove.
2473         (Incremental_inputs_entry_write): Remove.
2474         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2475         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2476         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2477         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2478         Likewise.
2479         (Incremental_input_entry): New class.
2480         (Incremental_script_entry): New class.
2481         (Incremental_object_entry): New class.
2482         (Incremental_archive_entry): New class.
2483         (Incremental_inputs::Incremental_inputs): Initialize new data members.
2484         (Incremental_inputs::report_inputs): Remove.
2485         (Incremental_inputs::report_archive): Remove.
2486         (Incremental_inputs::report_archive_begin): New function.
2487         (Incremental_inputs::report_archive_end): New function.
2488         (Incremental_inputs::report_object): Change prototype.
2489         (Incremental_inputs::report_input_section): New function.
2490         (Incremental_inputs::report_script): Change prototype.
2491         (Incremental_inputs::get_reloc_count): New function.
2492         (Incremental_inputs::set_reloc_count): New function.
2493         (Incremental_inputs::create_data_sections): New function.
2494         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2495         (Incremental_inputs::inputs_section): New function.
2496         (Incremental_inputs::symtab_section): New function.
2497         (Incremental_inputs::relocs_section): New function.
2498         (Incremental_inputs::get_stringpool): Add const.
2499         (Incremental_inputs::command_line): Add const.
2500         (Incremental_inputs::inputs): Remove.
2501         (Incremental_inputs::command_line_key): New function.
2502         (Incremental_inputs::input_file_count): New function.
2503         (Incremental_inputs::input_files): New function.
2504         (Incremental_inputs::relocs_entsize): New function.
2505         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2506         (Incremental_inputs::finalize_inputs): Remove.
2507         (Incremental_inputs::Input_info): Remove.
2508         (Incremental_inputs::lock_): Remove.
2509         (Incremental_inputs::inputs_): Change type.
2510         (Incremental_inputs::inputs_map_): Remove.
2511         (Incremental_inputs::current_object_entry_): New data member.
2512         (Incremental_inputs::inputs_section_): New data member.
2513         (Incremental_inputs::symtab_section_): New data member.
2514         (Incremental_inputs::relocs_section_): New data member.
2515         (Incremental_inputs::reloc_count_): New data member.
2516         (Incremental_inputs_reader): New class.
2517         (Incremental_symtab_reader): New class.
2518         (Incremental_relocs_reader): New class.
2519         * layout.cc (Layout::finalize): Move finalization of incremental info
2520         and creation of incremental info sections to follow finalization of
2521         symbol table.  Set offsets for postprocessing sections.
2522         (Layout::create_incremental_info_sections): Call
2523         Incremental_inputs::create_data_sections.  Add incremental symtab
2524         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
2525         sections to layout after input sections.
2526         * layout.h (struct Timespec): Forward declaration.
2527         (Layout::incremental_inputs): Add const.
2528         (Layout::create_incremental_info_sections): Add parameter.
2529         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
2530         * object.cc: Include incremental.h.
2531         (Relobj::finalize_incremental_relocs): New function.
2532         (Sized_relobj::do_layout): Record input sections in incremental info.
2533         * object.h (Object::output_section): New function.
2534         (Object::output_section_offset): Moved from Relobj.
2535         (Object::get_incremental_reloc_base): New function.
2536         (Object::get_incremental_reloc_count): New function.
2537         (Object::do_output_section): New function.
2538         (Object::do_output_section_offset): Moved from Relobj.
2539         (Object::do_get_incremental_reloc_base): New function.
2540         (Object::do_get_incremental_reloc_count): New function.
2541         (Object::Object): Initialize new data members.
2542         (Relobj::output_section): Renamed do_output_section and moved to
2543         protected.
2544         (Relobj::output_section_offset): Moved to Object.
2545         (Relobj::do_get_incremental_reloc_base): New function.
2546         (Relobj::do_get_incremental_reloc_count): New function.
2547         (Relobj::allocate_incremental_reloc_counts): New function.
2548         (Relobj::count_incremental_reloc): New function.
2549         (Relobj::finalize_incremental_relocs): New function.
2550         (Relobj::next_incremental_reloc_index): New function.
2551         (Relobj::reloc_counts_): New data member.
2552         (Relobj::reloc_bases_): New data member.
2553         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
2554         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
2555         (Sized_relobj::incremental_relocs_scan): New function.
2556         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2557         (Sized_relobj::incremental_relocs_write): New function.
2558         (Sized_relobj::incremental_relocs_write_reltype): New function.
2559         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
2560         incremental link.
2561         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
2562         archives and object files elsewhere.
2563         (Add_symbols::run): Report object files here.
2564         (Finish_group::run): Report end of archive at end of group.
2565         * reloc.cc: Include layout.h, incremental.h.
2566         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
2567         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
2568         (Sized_relobj::incremental_relocs_scan): New function.
2569         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2570         (Sized_relobj::do_relocate_sections): Write incremental relocations.
2571         (Sized_relobj::incremental_relocs_write): New function.
2572         (Sized_relobj::incremental_relocs_write_reltype): New function.
2573         * script.cc (read_input_script): Rewrite test for incremental link.
2574         Change call to Incremental_inputs::report_script.
2575         * symtab.h (Symbol_table::first_global_index): New function.
2576         (Symbol_table::output_count): New function.
2577
2578 2010-08-12  Doug Kwan  <dougkwan@google.com>
2579
2580         * arm.cc (Target_arm::merge_object_attributes): Check command line
2581         options --no-wchar-size-warning and --no-enum-size-warning.
2582         * options.h (General_options): Add ld-compatible options
2583         --no-enum-size-warning and --no-wchar-size-warning.
2584
2585 2010-08-04  Ian Lance Taylor  <iant@google.com>
2586
2587         * x86_64.cc (Target_x86_64::Scan::local): Use
2588         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
2589         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
2590         (Target_x86_64::Scan::global): Likewise.
2591         (Target_x86_64::Relocate::relocate): Likewise.
2592         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
2593         Likewise.
2594
2595 2010-08-03  Cary Coutant  <ccoutant@google.com>
2596
2597         * merge.cc (Output_merge_string::do_add_input_section): Count strings
2598         to reserve space in merged_strings vector. Keep total input size
2599         for stats.
2600         (Output_merge_string::do_print_merge_stats): Print total input size.
2601         * merge.h (Output_merge_string): Add input_size_ field.
2602         * stringpool.cc (Stringpool_template::string_length): Move
2603         implementations out of Stringpool_template class and place in
2604         stringpool.h.
2605         * stringpool.h (string_length): Move out of Stringpool_template.
2606
2607 2010-08-03  Ian Lance Taylor  <iant@google.com>
2608
2609         PR 11712
2610         * layout.cc (relaxation_loop_body): If address of load segment is
2611         set, adjust address to include headers if possible.
2612
2613 2010-08-03  Ian Lance Taylor  <iant@google.com>
2614
2615         * version.cc (version_string): Bump to 1.10.
2616
2617 2010-08-03  Ian Lance Taylor  <iant@google.com>
2618
2619         PR 11805
2620         * layout.h (enum Output_section_order): Define.
2621         (class Layout): Update declarations.
2622         * layout.cc (Layout::get_output_section): Add order parameter.
2623         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
2624         is_first_non_relro parameters.  Change all callers.
2625         (Layout::choose_output_section): Likewise.
2626         (Layout::add_output_section_data): Likewise.
2627         (Layout::make_output_section): Likewise.  Set order.
2628         (Layout::default_section_order): New function.
2629         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
2630         * output.cc (Output_section::Output_section): Initialize order_.
2631         Don't initialize deleted fields.
2632         (Output_segment::Output_segment): Don't initialize deleted
2633         fields.
2634         (Output_segment::add_output_section_to_load): New function
2635         replacing add_output_section.  Change all callers to call this or
2636         add_output_section_to_nonload.
2637         (Output_segment::add_output_section_to_nonload): New function.
2638         (Output_segment::remove_output_section): Rewrite.
2639         (Output_segment::add_initial_output_data): Likewise.
2640         (Output_segment::has_any_data_sections): Likewise.
2641         (Output_segment::is_first_section_relro): Likewise.
2642         (Output_segment::maximum_alignment): Likewise.
2643         (Output_segment::has_dynamic_reloc): New function replacing
2644         dynamic_reloc_count.  Change all callers.
2645         (Output_segment::has_dynamic_reloc_list): New function replacing
2646         dynamic_reloc_count_list.  Change all callers.
2647         (Output_segment::set_section_addresses): Rewrite.
2648         (Output_segment::set_offset): Rewrite.
2649         (Output_segment::find_first_and_last_list): Remove.
2650         (Output_segment::set_tls_offsets): Rewrite.
2651         (Output_segment::first_section_load_address): Likewise.
2652         (Output_segment::output_section_count): Likewise.
2653         (Output_segment::section_with_lowest_load_address): Likewise.
2654         (Output_segment::write_section_headers): Likewise.
2655         (Output_segment::print_sections_to_map): Likewise.
2656         * output.h (class Output_data): Remove dynamic_reloc_count_
2657         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2658         (Output_data::add_dynamic_reloc): Rewrite.
2659         (Output_data::has_dynamic_reloc): New function.
2660         (Output_data::dynamic_reloc_count): Remove.
2661         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2662         is_last_relro_, is_first_non_relro_, is_interp_,
2663         is_dynamic_linker_section_ fields.  Add order and set_order
2664         functions.  Remove is_relro_local, set_is_relro_local,
2665         is_last_relro, set_is_last_relro, is_first_non_relro,
2666         set_is_first_non_relro functions, is_interp, set_is_interp,
2667         is_dynamic_linker_section, and set_is_dynamic_linker_section
2668         functions.
2669         (class Output_segment): Change Output_data_list from std::list to
2670         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2671         output_bss_ fields.  Update declarations.
2672
2673 2010-08-02  Ian Lance Taylor  <iant@google.com>
2674
2675         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2676         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2677         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2678
2679 2010-08-02  Ian Lance Taylor  <iant@google.com>
2680
2681         PR 11855
2682         * script.cc (Script_options::Script_options): Initialize
2683         symbol_definitions_ and symbol_references_.
2684         (Script_options::add_symbol_assignment): Update
2685         symbol_definitions_ and symbol_references_.
2686         (Script_options::add_symbol_reference): New function.
2687         (script_symbol): New function.
2688         * script.h (class Script_options): Add symbol_definitions_ and
2689         symbol_references_ fields.
2690         (Script_options::referenced_const_iterator): New type.
2691         (Script_options::referenced_begin): New function.
2692         (Script_options::referenced_end): New function.
2693         (Script_options::is_referenced): New function.
2694         (Script_options::any_unreferenced): New function.
2695         * script-c.h (script_symbol): Declare.
2696         * yyscript.y (exp): Call script_symbol.
2697         * symtab.cc: Include "script.h".
2698         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2699         Change all callers.  Check symbols referenced by scripts.
2700         (Symbol_table::add_undefined_symbols_from_command_line): Add
2701         layout parameter.  Change all callers.
2702         (Symbol_table::do_add_undefined_symbols_from_command_line):
2703         Likewise.  Break out loop body.  Check symbols referenced by
2704         scripts.
2705         (Symbol_table::add_undefined_symbol_from_command_line): New
2706         function broken out of
2707         do_add_undefined_symbols_from_command_line.
2708         * symtab.h (class Symbol_table): Update declarations.
2709         * archive.cc: Include "layout.h".
2710         (Archive::should_include_member): Add layout parameter.  Change
2711         all callers.  Check for symbol mentioned in expression.
2712         * archive.h (class Archive): Update declaration.
2713         * object.cc (Sized_relobj::do_should_include_member): Add layout
2714         parameter.
2715         * object.h (Object::should_include_member): Add layout parameter.
2716         Change all callers.
2717         (Object::do_should_include_member): Add layout parameter.
2718         (class Sized_relobj): Update declaration.
2719         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2720         parameter.
2721         * dynobj.h (class Sized_dynobj): Update declaration.
2722         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2723         layout parameter.
2724         * plugin.h (class Sized_pluginobj): Update declaration.
2725
2726 2010-08-02  Ian Lance Taylor  <iant@google.com>
2727
2728         PR 11866
2729         * output.cc (Output_segment::set_offset): Search for the first and
2730         last sections rather than assuming that the list is in order.
2731         (Output_segment::find_first_and_last_list): New function.
2732         * output.h (class Output_segment): Update declarations.
2733         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2734         (relro_strip_test_SOURCES): New variable.
2735         (relro_strip_test_DEPENDENCIES): New variable.
2736         (relro_strip_test_LDFLAGS): New variable.
2737         (relro_strip_test_LDADD): New variable.
2738         (relro_strip_test.so): New target.
2739
2740 2010-08-02  Ian Lance Taylor  <iant@google.com>
2741
2742         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2743         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2744         (Target_i386::got_tlsdesc_section): New function.
2745         (Target_i386::got_section): Create space for GOT entries for
2746         TLSDESC relocations.
2747         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2748         R_386_TLS_GOTDESC.
2749         (Target_i386::Scan::global): Likewise.
2750         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2751         using TLSDESC GOT.
2752         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2753         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2754         (Target_x86_64::got_tlsdesc_section): New function.
2755         (Target_x86_64::got_section): Create space for GOT entries for
2756         TLSDESC relocations.
2757         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2758         R_386_TLS_GOTDESC.
2759         (Target_x86_64::Scan::global): Likewise.
2760         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2761         using TLSDESC GOT.
2762
2763 2010-08-02  Ian Lance Taylor  <iant@google.com>
2764
2765         * testsuite/final_layout.sh: Use dc to convert from hex to
2766         decimal.
2767
2768 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2769
2770         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2771         paramter to the call to gold::gc_process_relocs.
2772         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2773         paramter to the call to gold::gc_process_relocs.
2774         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2775         parameter to the call to gold::gc_process_relocs.
2776         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2777         template parameter to the call to gold::gc_process_relocs.
2778         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2779         paramter to the call to gold::gc_process_relocs.
2780         * gc.h (get_embedded_addend_size): New function.
2781         (gc_process_relocs): Save the size of the reloc for use by ICF.
2782         * icf.cc (get_section_contents): Get the addend from the text section
2783         for SHT_REL relocation sections.
2784         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2785         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2786         * int_encoding.h (read_from_pointer): New overloaded function.
2787         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2788         * testsuite/icf_sht_rel_addend_test.sh: New file.
2789         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2790         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2791
2792 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2793
2794         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2795         * Makefile.in: Regenerate.
2796         * testsuite/Makefile.in: Regenerate.
2797
2798 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2799
2800         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2801         * gold/testsuite/debug_msg.cc: Likewise.
2802         * gold/testsuite/odr_violation1.cc
2803         * gold/testsuite/odr_violation2.cc
2804
2805 2010-07-21  Cary Coutant  <ccoutant@google.com>
2806
2807         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2808         string, and length fields.
2809         (Output_merge_string::Merged_strings_list): New type.
2810         (Output_merge_string::Merged_strings_lists): New typedef.
2811         (Output_merge_string): Replace merged_strings_ with
2812         merged_strings_lists_.
2813         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2814         Merged_strings_list per input object and section.  Don't store pointer
2815         to the string.  Don't store length with each merged string entry.
2816         (Output_merge_string::finalize_merged_data): Loop over list of merged
2817         strings lists.  Recompute length of each merged string.
2818
2819 2010-07-15  Cary Coutant  <ccoutant@google.com>
2820
2821         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2822         here.
2823
2824 2010-07-14  Ian Lance Taylor  <iant@google.com>
2825
2826         * descriptors.cc (Descriptors::open): Report correct name in error
2827         message.
2828
2829 2010-07-13  Doug Kwan  <dougkwan@google.com>
2830
2831         * arm.cc (Arm_input_section::Arm_input_section): For a
2832         SHT_ARM_EXIDX section, always keeps the input sections.
2833         (Arm_input_section::set_exidx_section_link): New method.
2834         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2835         has_errors_ to false.
2836         (Arm_exidx_input_section::has_errors,
2837         Arm_exidx_input_section::set_has_errors): New methods.
2838         (Arm_exidx_input_section::has_errors_): New data member.
2839         (Arm_relobj::get_exidx_shndx_list): New method.
2840         (Arm_output_section::append_text_sections_to_list): Do not skip
2841         section without SHF_EXECINSTR.
2842         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2843         errors.
2844         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2845         section header.  Make error messages more verbose.  Check for
2846         a non-executable section linked to an EXIDX section.
2847         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2848         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2849         check that there is no deferred EXIDX section if we exit early.
2850         Instead of not making an EXIDX section in case of an error, make one
2851         and set the has_errors flag of it.
2852         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2853         in a relocatable link.
2854         (Target_arm::do_relax): Look for the EXIDX output section instead of
2855         assuming that it is called .ARM.exidx.
2856         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2857         section list.  Do not check for SHF_EXECINSTR section flags but
2858         skip any input section with errors.
2859         * output.cc (Output_section::Output_section): Initialize
2860         always_keeps_input_sections_ to false.
2861         (Output_section::add_input_section): Check for
2862         always_keeps_input_sections_.
2863         *  output.h (Output_section::always_keeps_input_sections,
2864         Output_section::set_always_keeps_input_sections): New methods.
2865         (Output_section::always_keeps_input_sections): New data member.
2866
2867 2010-07-13  Rafael Espindola  <espindola@google.com>
2868
2869         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2870         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2871
2872 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2873             Ian Lance Taylor  <iant@google.com>
2874
2875         * output.h (Output_section_lookup_maps::add_merge_section):
2876         Correct check of whether value was inserted.
2877         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2878         (Output_section_lookup_maps::add_relaxed_input_section):
2879         Likewise.
2880         * arm.cc (Target_arm::got_section): Remove used local os.
2881         * i386.cc (Target_i386::got_section): Likewise.
2882         * x86_64.cc (Target_x86_64::got_section): Likewise.
2883         * sparc.cc (Target_sparc::got_section): Likewise.
2884         (Target_sparc::relocate): Remove unused local have_got_offset.
2885         * powerpc.cc (Target_powerpc::relocate): Likewise.
2886
2887 2010-07-13  Ian Lance Taylor  <iant@google.com>
2888
2889         * compressed_output.cc (zlib_decompress): Fix signature in
2890         !HAVE_ZLIB_H case.
2891
2892         * archive.cc (Archive::include_member): Unlock an external member
2893         of a thin archive.  Don't bother to delete an object we know is
2894         NULL.
2895
2896 2010-07-12  Cary Coutant  <ccoutant@google.com>
2897
2898         * compressed_output.cc (zlib_decompress): New function.
2899         (get_uncompressed_size): New function.
2900         (decompress_input_section): New function.
2901         * compressed_output.h (get_uncompressed_size): New function.
2902         (decompress_input_section): New function.
2903         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2904         Handle compressed debug sections.
2905         * layout.cc (is_compressed_debug_section): New function.
2906         (Layout::output_section_name): Map compressed section names to
2907         canonical names.
2908         * layout.h (is_compressed_debug_section): New function.
2909         (is_debug_info_section): Recognize compressed debug sections.
2910         * merge.cc: Include compressed_output.h.
2911         (Output_merge_data::do_add_input_section): Handle compressed
2912         debug sections.
2913         (Output_merge_string::do_add_input_section): Handle compressed
2914         debug sections.
2915         * object.cc: Include compressed_output.h.
2916         (Sized_relobj::Sized_relobj): Initialize new data members.
2917         (build_compressed_section_map): New function.
2918         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2919         * object.h (Object::section_is_compressed): New method.
2920         (Object::do_section_is_compressed): New method.
2921         (Sized_relobj::Compressed_section_map): New type.
2922         (Sized_relobj::do_section_is_compressed): New method.
2923         (Sized_relobj::compressed_sections_): New data member.
2924         * output.cc (Output_section::add_input_section): Handle compressed
2925         debug sections.
2926         * reloc.cc: Include compressed_output.h.
2927         (Sized_relobj::write_sections): Handle compressed debug sections.
2928
2929 2010-07-08  Cary Coutant  <ccoutant@google.com>
2930
2931         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2932         weak when resolving to a dynamic def.
2933         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2934         for weak undef/dynamic def cases. Adjust callers.
2935         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2936         undef_binding_weak_.
2937         (Symbol_table::sized_write_globals): Adjust symbol binding.
2938         (Symbol_table::sized_write_symbol): Add binding parameter.
2939         * symtab.h (Symbol::set_undef_binding): New method.
2940         (Symbol::is_undef_binding_weak): New method.
2941         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2942         (Symbol_table::should_override): Add new parameter.
2943         (Symbol_table::sized_write_symbol): Add new parameter.
2944
2945         * testsuite/weak_undef_file1.cc: Add new test case.
2946         * testsuite/weak_undef_file2.cc: Fix header comment.
2947         * testsuite/weak_undef_test.cc: Add new test case.
2948
2949 2010-06-29  Doug Kwan  <dougkwan@google.com>
2950
2951         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
2952         Initialize USE_SYMBOL_.
2953         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
2954         definition.
2955         (Arm_reloc_property::uses_symbol_): New data member declaration.
2956         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
2957         uses symbol value and symbol is undefined but not weakly undefined.
2958
2959 2010-06-28  Rafael Espindola  <espindola@google.com>
2960
2961         * plugin.cc (Plugin::load): Use dlerror.
2962
2963 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2964
2965         * symtab.cc (detect_odr_violations): When reporting an ODR
2966         violation, report an object where the symbol is defined.
2967
2968 2010-06-25  Doug Kwan  <dougkwan@google.com>
2969
2970         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
2971         (Target_arm::section_may_have_icf_unsafe_pointers): New method
2972         definition.
2973         (Target_arm::Scan::local_reloc_may_be_function_pointer,
2974         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
2975         target hook to detect function points.
2976         (Target_arm::Scan::possible_function_pointer_reloc): New method.
2977         * icf.h (Icf::check_section_for_function_pointers): Change type of
2978         parameter SECTION_NAME to const reference to std::string.  Use
2979         target hook to determine if section may have unsafe pointers.
2980         * target.h (Target::section_may_have_icf_unsafe_pointers): New
2981         method definition.
2982
2983 2010-06-21  Rafael Espindola  <espindola@google.com>
2984
2985         * fileread.cc (Input_file::find_fie): New
2986         (Input_file::open): Use Input_file::find_fie.
2987         * fileread.h (Input_file::find_fie): New
2988         * plugin.cc (set_extra_library_path): New.
2989         (Plugin::load): Add set_extra_library_path to the transfer vector.
2990         (Plugin_manager::set_extra_library_path): New.
2991         (Plugin_manager::add_input_file): Use the extra search path if set.
2992         (set_extra_library_path(): New.
2993         * plugin.h (Plugin_manager): Add set_extra_library_path and
2994         extra_search_path_.
2995
2996 2010-06-19  Cary Coutant  <ccoutant@google.com>
2997
2998         * layout.cc (gdb_sections): Add .debug_types.
2999         (lines_only_debug_sections): Likewise.
3000
3001 2010-06-18  Rafael Espindola  <espindola@google.com>
3002
3003         * plugin.cc (add_input_file,add_input_library)
3004         (Plugin_manager::add_input_file): Make filename arguments const.
3005         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3006         const.
3007
3008 2010-06-16  Doug Kwan  <dougkwan@google.com>
3009
3010         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3011         .ARM.attributes section if we have not merged any input
3012         attributes sections.
3013
3014 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3015
3016         * arm.cc: Allow combining objects with no EABI version
3017         information.
3018
3019 2010-06-15  Rafael Espindola  <espindola@google.com>
3020
3021         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3022
3023 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3024
3025         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3026         (struct iovec): Correct !HAVE_READV definition.
3027
3028 2010-06-10  Cary Coutant  <ccoutant@google.com>
3029
3030         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3031         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3032         reloc sections.
3033         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3034
3035         PR 11683
3036         * symtab.h (Symbol::is_placeholder): New member function.
3037         * target-reloc.h (relocate_section): Check for placeholder symbols.
3038
3039         * testsuite/Makefile.am (plugin_test_8): New test.
3040         (plugin_test_9): New test.
3041         * testsuite/Makefile.in: Regenerate.
3042
3043 2010-06-09  Nick Clifton  <nickc@redhat.com>
3044
3045         * yyscript.y (input_list_element): Allow strings prefixed with
3046         the '-' character.  Treat these as libraries.
3047         * script.cc (script_add_library): New function.  Adds a library
3048         specified by "-l<name>" found in an input script.
3049         * script-c.h: Add prototype for script_add_library.
3050
3051 2010-06-07  Doug Kwan  <dougkwan@google.com>
3052
3053         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3054         Restrict stub-group size to be within long conditional branch
3055         range when working around cortex-A8 erratum.
3056
3057 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3058
3059         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3060         #ifdef typo.
3061
3062 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3063
3064         PR gold/11658
3065         * output.cc
3066         (Output_section::Input_section_sort_entry::compare_section_ordering):
3067         Change to return non-zero correctly.
3068         (Output_section::Input_section_sort_section_order_index_compare
3069         ::operator()): Change to fix ambiguity in comparisons.
3070
3071 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3072
3073         * gold.h (is_wildcard_string): New function.
3074         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3075         (Layout::layout_eh_frame): Ditto.
3076         (Layout::find_section_order_index): New method.
3077         (Layout::read_layout_from_file): New method.
3078         * layout.h (Layout::find_section_order_index): New method.
3079         (Layout::read_layout_from_file): New method.
3080         (Layout::input_section_position_): New private member.
3081         (Layout::input_section_glob_): New private member.
3082         * main.cc (main): Call read_layout_from_file here.
3083         * options.h (--section-ordering-file): New option.
3084         * output.cc (Output_section::input_section_order_specified_): New
3085         member.
3086         (Output_section::Output_section): Initialize new member.
3087         (Output_section::add_input_section): Add new parameter.
3088         Keep input sections when --section-ordering-file is used.
3089         (Output_section::set_final_data_size): Sort input sections when
3090         section ordering file is specified.
3091         (Output_section::Input_section_sort_entry): Add new parameter.
3092         Check sorting type.
3093         (Output_section::Input_section_sort_entry::compare_section_ordering):
3094         New method.
3095         (Output_section::Input_section_sort_compare::operator()): Change to
3096         consider section_order_index.
3097         (Output_section::Input_section_sort_init_fini_compare::operator()):
3098         Change to consider section_order_index.
3099         (Output_section::Input_section_sort_section_order_index_compare
3100         ::operator()): New method.
3101         (Output_section::sort_attached_input_sections): Change to sort
3102         according to section order when specified.
3103         (Output_section::add_input_section<32, true>): Add new parameter.
3104         (Output_section::add_input_section<64, true>): Add new parameter.
3105         (Output_section::add_input_section<32, false>): Add new parameter.
3106         (Output_section::add_input_section<64, false>): Add new parameter.
3107         * output.h (Output_section::add_input_section): Add new parameter.
3108         (Output_section::input_section_order_specified): New
3109         method.
3110         (Output_section::set_input_section_order_specified): New method.
3111         (Input_section::Input_section): Initialize section_order_index_.
3112         (Input_section::section_order_index): New method.
3113         (Input_section::set_section_order_index): New method.
3114         (Input_section::section_order_index_): New member.
3115         (Input_section::Input_section_sort_section_order_index_compare): New
3116         struct.
3117         (Output_section::input_section_order_specified_): New member.
3118         * script-sections.cc (is_wildcard_string): Delete and move modified
3119         method to gold.h.
3120         (Output_section_element_input::Output_section_element_input): Modify
3121         call to is_wildcard_string.
3122         (Output_section_element_input::Input_section_pattern
3123         ::Input_section_pattern): Ditto.
3124         (Output_section_element_input::Output_section_element_input): Ditto.
3125         * testsuite/Makefile.am (final_layout): New test case.
3126         * testsuite/Makefile.in: Regenerate.
3127         * testsuite/final_layout.cc: New file.
3128         * testsuite/final_layout.sh: New file.
3129
3130 2010-06-01  Rafael Espindola  <espindola@google.com>
3131
3132         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3133
3134 2010-06-01  Rafael Espindola  <espindola@google.com>
3135
3136         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3137         visibility of symbols.
3138
3139 2010-05-27  Doug Kwan  <dougkwan@google.com>
3140
3141         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3142         from start of output section instead of address for a local symbol
3143         in a merged or relaxed section when doing a relocatable link.
3144
3145 2010-05-26  Rafael Espindola  <espindola@google.com>
3146
3147        PR 11604
3148         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3149         adding sections the garbage collector removed.
3150         * gold/testsuite/Makefile.am: Add test.
3151         * gold/testsuite/Makefile.in: Regenerate.
3152         * gold/testsuite/plugin_test_7.sh: New.
3153         * gold/testsuite/plugin_test_7_1.c: New.
3154         * gold/testsuite/plugin_test_7_2.c: New.
3155
3156 2010-05-26  Rafael Espindola  <espindola@google.com>
3157
3158         * script-sections.cc (Output_section_definition::set_section_addresses):
3159         Check for --section-start.
3160
3161 2010-05-26  Doug Kwan  <dougkwan@google.com>
3162
3163         * arm.cc (Arm_scan_relocatable_relocs): New class.
3164         (Target_arm::relocate_special_relocatable): New method.
3165         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3166         (Arm_relocate_functions::thumb_branch_common): Same.
3167         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3168         instead of Default_scan_relocatable_relocs.
3169         * target-reloc.h (relocate_for_relocatable): Let target handle
3170         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3171         * target.h (Sized_target::relocate_special_relocatable): New method.
3172
3173 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3174
3175         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3176
3177 2010-05-23  Doug Kwan  <dougkwan@google.com>
3178
3179         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3180         instead of a cast.
3181         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3182         with a direct branch, not a conditional branch, to a stub.
3183         * merge.cc (Output_merge_base::record_input_section): New method
3184         defintion.
3185         (Output_merge_data::do_add_input_section): Record input section if
3186         keeps-input-sections flag is set.
3187         (Output_merge_string::do_add_input_section): Ditto.
3188         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3189         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3190         INPUT_SECTIONS_.
3191         (Output_merge_base::keeps_input_sections,
3192         Output_merge_base::set_keeps_input_sections,
3193         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3194         method definitions.
3195         (Output_merge_base::Input_sections): New type declaration.
3196         (Output_merge_base::input_sections_begin,
3197         Output_merge_base::input_sections_end,
3198         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3199         (Output_merge_base::bool keeps_input_sections_,
3200         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3201         Output_merge_base::input_sections_): New data members.
3202         (Output_merge_data::do_set_keeps_input_sections): New method
3203         defintion.
3204         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3205         * output.cc (Output_section::Input_section::relobj): Move method
3206         defintion from class declaration to here and handle merge sections.
3207         (Output_section::Input_section::shndx): Ditto.
3208         (Output_section::Output_section): Remove initializations of removed
3209         data members and initialize new data member LOOKUP_MAPS_.
3210         (Output_section::add_input_section): Set keeps-input-sections flag
3211         for a newly created merge output section as appropriate.  Adjust code
3212         to use Output_section_lookup_maps class.
3213         (Output_section::add_relaxed_input_section): Adjst code for lookup
3214         maps code refactoring.
3215         (Output_section::add_merge_input_section): Add a new parameter
3216         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3217         class.  If adding input section to a newly created merge output
3218         section fails, remove the new merge section.
3219         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3220         Adjust code for use of the Output_section_lookup_maps class.
3221         (Output_section::find_merge_section): Ditto.
3222         (Output_section::build_lookup_maps): New method defintion.
3223         (Output_section::find_relaxed_input_section): Adjust code to use
3224         Output_section_lookup_maps class.
3225         (Output_section::get_input_sections): Export merge sections.  Adjust
3226         code to use Output_section_lookup_maps class.
3227         (Output_section:::add_script_input_section): Adjust code to use
3228         Output_section_lookup_maps class.  Update lookup maps for merge
3229         sections also.
3230         (Output_section::discard_states): Use Output_section_lookup_maps.
3231         (Output_section::restore_states): Same.
3232         * output.h (Merge_section_properties): Move class defintion out of
3233         Output_section.
3234         (Output_section_lookup_maps): New class.
3235         (Output_section::Input_section::is_merge_section): New method
3236         defintion.
3237         (Output_section::Input_section::relobj): Move defintion out of class
3238         defintion.  Declare method only.
3239         (Output_section::Input_section::shndx): Ditto.
3240         (Output_section::Input_section::output_merge_base): New method defintion.
3241         (Output_section::Input_section::u2_.pomb): New union field.
3242         (Output_section::Merge_section_by_properties_map,
3243         Output_section::Output_section_data_by_input_section_map,
3244         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3245         Remove types.
3246         (Output_section::add_merge_input_section): Add new parameter
3247         KEEPS_INPUT_SECTIONS.
3248         (Output_section::build_lookup_maps): New method declaration.
3249         (Output_section::merge_section_map_,
3250         Output_section::merge_section_by_properties_map_,
3251         Output_section::relaxed_input_section_map_,
3252         Output_section::is_relaxed_input_section_map_valid_): Remove data
3253         members.
3254         (Output_section::lookup_maps_): New data member.
3255
3256 2010-05-21  Doug Kwan  <dougkwan@google.com>
3257
3258         PR gold/11619
3259         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3260         avoid a compilation error.
3261
3262 2010-05-19  Rafael Espindola  <espindola@google.com>
3263
3264         * script-sections.cc (Output_section_definition::allocate_to_segment):
3265         Update the phdrs_list even when the output section is NULL.
3266         * testsuite/Makefile.am: Add test.
3267         * testsuite/Makefile.in: Regenerate.
3268         * testsuite/script_test_9.cc: New.
3269         * testsuite/script_test_9.sh: New.
3270         * testsuite/script_test_9.t: New.
3271
3272 2010-05-19  Doug Kwan  <dougkwan@google.com>
3273
3274         * arm.cc (Arm_input_section::original_size): New method.
3275         (Arm_input_section::do_addralign): Add a cast.
3276         (Arm_input_section::do_output_offset): Remove static cast.
3277         (Arm_input_section::original_addralign,
3278          Arm_input_section::original_size_): Change type to uint32_t.
3279         (Arm_input_section::init): Add safe casts for section alignment
3280         and size.
3281         (Arm_input_section::set_final_data_size): Do not set address and
3282         offset of stub table.
3283         (Arm_output_section::fix_exidx_coverage): Change use of of
3284         Output_section::Simple_input_section to that of
3285         Output_section::Input_section.
3286         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3287         except for the first pass.
3288         * output.cc (Output_section::get_input_sections): Change type of
3289         input_sections to std::list<Input_section>.
3290         (Output_section::add_script_input_section): Rename from
3291         Output_section::add_simple_input_section.  Change type of SIS
3292         parameter from Simple_input_section to Input_section.
3293         * output.h (Output_section::Simple_input_section): Remove class.
3294         (Output_section::Input_section): Change class visibility to public.
3295         (Output_section::Input_section::addralign): Use stored alignments
3296         for special input sections if set.
3297         (Output_section::Input_section::set_addralign): New method.
3298         (Output_section::get_input_sections): Change parameter type from
3299         list of Simple_input_section to list of Input_section.
3300         (Output_section::add_script_input_section): Rename from
3301         Output_section::add_simple_input_section. Change first parameter's
3302         type from Simple_input_section to Input_section and remove the
3303         second and third parameters.
3304         * script-sections.cc (Input_section::Input_section_list): Change
3305         type to list of Output_section::Input_section/
3306         (Input_section_info::Input_section_info): Change parameter type of
3307         INPUT_SECTION to Output_section::Input_section.
3308         (Input_section_info::input_section): Change return type.
3309         (Input_section_info::input_section_): Change type to
3310         Output_section::Input_section.
3311         (Output_section_element_input::set_section_addresses): Adjust code
3312         to use Output_section::Input_section instead of
3313         Output_section::Simple_input_section.  Adjust code for renaming
3314         of Output_section::add_simple_input_section.
3315         (Orphan_output_section::set_section_addresses): Ditto.
3316
3317 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3318
3319         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3320         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3321
3322 2010-05-18  Rafael Espindola  <espindola@google.com>
3323
3324         * options.cc (General_options::finalize): Handle -nostdlib.
3325         * options.h (nostdlib): New option.
3326         * script.cc (script_add_search_dir): Handle -nostdlib.
3327
3328 2010-05-12  Doug Kwan  <dougkwan@google.com>
3329
3330         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3331         attributes section only if there no attributes section after merging.
3332         (Target_arm::merge_object_attributes): Move value of
3333         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3334         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3335         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3336         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3337         and arm_attr_merge_7.stdout.
3338         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3339         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3340         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3341         arm_attr_merge_7b.o): New rules.
3342         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3343         arm_attr_merge_7
3344         * testsuite/Makefile.in: Regenerate.
3345         * testsuite/arm_attr_merge.sh: New file.
3346         * testsuite/arm_attr_merge_[67][ab].s: Same.
3347
3348 2010-05-05  Nick Clifton  <nickc@redhat.com>
3349
3350         * po/es.po: Updated Spanish translation.
3351
3352 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3353
3354         * Makefile.am (install-exec-local): Properly install gold as
3355         default cross linker.
3356         * Makefile.in: Regenerated.
3357
3358 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3359             Nick Clifton  <nickc@redhat.com>
3360
3361         * configure.ac (install_as_default): Define and set to false
3362         unless --enable-gold or --enable-gold=both/gold has been
3363         specified.
3364         * configure: Regenerate.
3365
3366         * Makefile.am (install-exec-local): Install the executable as
3367         'ld.gold'.  If install_as_default is true then also install it as
3368         'ld'.
3369         * Makefile.in: Regenerated.
3370
3371 2010-04-24  Ian Lance Taylor  <iant@google.com>
3372
3373         * layout.cc (Layout::layout_reloc): In relocatable link don't
3374         combine reloc sections for grouped sections.
3375
3376 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3377
3378         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3379         sections that are not ordinary to icf.
3380         * icf.cc (get_section_contents): Handle relocation pointing to section
3381         with no object or shndx information.
3382         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3383         * testsuite/Makefile.in: Regenerate.
3384         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3385         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3386
3387 2010-04-22  Ian Lance Taylor  <iant@google.com>
3388
3389         * expression.cc (Expression::Expression_eval_info): Add
3390         result_alignment_pointer field.
3391         (Expression::eval_with_dot): Add result_alignment_pointer
3392         parameter.  Change all callers.
3393         (Expression::eval_maybe_dot): Likewise.
3394         (class Binary_expression): Add alignment_pointer parameter to
3395         left_value and right_value.  Change all callers.
3396         (BINARY_EXPRESSION): Set result alignment.
3397         (class Trinary_expression): Add alignment_pointer parameter to
3398         arg2_value and arg3_value.  Change all callers.
3399         (Trinary_cond::value): Set result alignment.
3400         (Max_expression::value, Min_expression::value): Likewise.
3401         (Align_expression::value): Likewise.
3402         * script-sections.cc (class Sections_element): Add dot_alignment
3403         parameter to set_section_addresses virtual function.  Update
3404         instantiations.
3405         (class Output_section_element): Likewise.
3406         (Script_sections::create_segments): Add dot_alignment parameter.
3407         Change all callers.
3408         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3409         (Script_sections::set_phdrs_clause_addresses): Likewise.
3410         * script-sections.h: Update declarations.
3411         * script.h: Update declarations.
3412         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3413         min_p_align.
3414         * testsuite/script_test_3.t: Set large alignment.
3415         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3416         segment has expected alignment.
3417
3418 2010-04-22  Nick Clifton  <nickc@redhat.com>
3419
3420         * po/gold.pot: Updated by the Translation project.
3421         * po/vi.po: Updated Vietnamese translation.
3422
3423 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3424
3425         * testsuite/Makefile.am (check_PROGRAMS): Add
3426         icf_virtual_function_folding_test.
3427         * testsuite/Makefile.in: Regenerated.
3428
3429 2010-04-15  Andrew Haley  <aph@redhat.com>
3430
3431         * options.h (merge_exidx_entries): New option.
3432         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3433         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3434         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3435         (Target_arm::merge_exidx_entries): New function.
3436         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3437         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3438         to Arm_exidx_fixup constructor.
3439         Add new arg, merge_exidx_entries.
3440         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3441         Arm_output_section::fix_exidx_coverage.
3442
3443 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3444
3445         * icf.cc (get_section_contents): Check for preemptible functions.
3446         Ignore addend when appropriate.
3447         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3448         section folded.
3449         (add_from_relobj): Check for section folded.
3450         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3451         * symtab.h (should_add_dynsym_entry): Add new parameter.
3452         * target-reloc.h (scan_relocs): Check for section folded.
3453         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3454         Check reloc types for function pointers in shared objects.
3455         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3456         case.
3457         (icf_preemptible_functions_test): New test case.
3458         (icf_string_merge_test): New test case.
3459         * testsuite.Makefile.in: Regenerate.
3460         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3461         bar_glob.  Refactor code.
3462         * testsuite/icf_preemptible_functions_test.cc: New file.
3463         * testsuite/icf_preemptible_functions_test.sh: New file.
3464         * testsuite/icf_string_merge_test.cc: New file.
3465         * testsuite/icf_string_merge_test.sh: New file.
3466         * testsuite/icf_virtual_function_folding_test.cc: New file.
3467         * testsuite/icf_virtual_function_folding_test.sh: New file.
3468
3469 2010-04-14  Doug Kwan  <dougkwan@google.com>
3470
3471         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3472         for local symbol recounting if we remove a section due to ICF.
3473         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3474         there are no regular objects in input.
3475
3476 2010-04-13  Doug Kwan  <dougkwan@google.com>
3477
3478         * arm.cc (Arm_input_section::set_final_data_size): Compute
3479         accurate final data size instead of using current data size.
3480
3481 2010-04-09  Doug Kwan  <dougkwan@google.com>
3482
3483         * layout.cc (Layout::choose_output_section): Handle script section
3484         types.
3485         (Layout::make_output_section_for_script): Add section type parameter.
3486         Handle script section types.
3487         * layout.h (Layout::make_output_section_for_script): Add section
3488         type parameter.
3489         * output.cc (Output_section::Output_section): Initialize data member
3490         is_noload_.
3491         (Output_section::do_reset_address_and_file_offset): Do not set address
3492         to 0 if section is a NOLOAD section.
3493         * output.h (Output_section::is_noload): New method.
3494         (Output_section::set_is_noload): Ditto.
3495         (Output_section::is_noload_): New data member.
3496         * script-c.h (Script_section_type): New enum type.
3497         (struct Parser_output_section_header): Add new file section_type.
3498         * script-sections.cc (Sections_element::output_section_name): Add
3499         parameter for returning script section type.
3500         (Output_section_definition::output_section_name): Ditto.
3501         (Output_section_definition::section_type)P; New method.
3502         (Output_section_definiton::script_section_type_name): Ditto.
3503         (Output_section_definition::script_section_type_): New data member.
3504         (Output_section_definition::Output_section_definition): Initialize
3505         data member Output_section_definition::script_section_type_.
3506         (Output_section_definition::create_sections): Pass script section type
3507         to Layout::make_output_section_for_script.
3508         (Output_section_definition::output_section_name): Return script
3509         section type to caller.
3510         (Output_section_definition::set_section_address): Do not advance
3511         dot value and load address if section type is NOLOAD.  Set address
3512         of NOLOAD sections regardless of section flags.
3513         (Output_section_definition::print): Print section type if it is
3514         not SCRIPT_SECTION_TYPE_NONE.
3515         (Output_section_definition::section_type): New method.
3516         (Output_section_definition::script_section_type_name): Ditto.
3517         (Script_sections::output_section_name): Add new parameter
3518         PSECTION_TYPE for returning script section type.  Pass it to
3519         section elements.  Handle discard sections.
3520         (Sort_output_sections::operator()): Handle NOLOAD sections.
3521         * script-sections.h (Script_sections::Section_type): New enum type.
3522         (Script_sections::output_section_name): Add a new parameter for
3523         returning script section type.
3524         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
3525         INFO and NOLOAD.
3526         * yyscript.y (union): Add new field SECTION_TYPE.
3527         (COPY, DSECT, INFO, NOLOAD): New tokens.
3528         (opt_address_and_section_type): Change type to output_section_header.
3529         (section_type): New non-terminal
3530         (section_header): Handle section type.
3531         (opt_address_and_section_type): Return section type value.
3532
3533 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3534
3535         * testsuite/plugin_common_test_1.c (foo): Add prototype.
3536         * testsuite/plugin_common_test_2.c (foo): Likewise.
3537
3538 2010-04-08  Doug Kwan  <dougkwan@google.com>
3539
3540         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
3541         Output_merge_data.
3542         * output.cc (Output_section::add_merge_input_section): Simplify
3543         code and return status of Output_merge_base::add_input_section.
3544         Update merge section map only if Output_merge_base::add_input_section
3545         returns true.
3546
3547 2010-04-07  Doug Kwan  <dougkwan@google.com>
3548
3549         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
3550         if section is marked as containing instructions but has no mapping
3551         symbols.
3552         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
3553         correct section index.
3554         (Arm_relobj::find_linked_text_section): Ditto.
3555
3556 2010-04-07  Cary Coutant  <ccoutant@google.com>
3557
3558         * archive.cc (include_member): Destroy Read_symbols_data object before
3559         releasing file.
3560         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
3561         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
3562         (Read_symbols_data::~Read_symbols_data) New destructor.
3563         (Section_relocs::Section_relocs) New constructor.
3564         (Section_relocs::~Section_relocs) New destructor.
3565         (Read_relocs_data::Read_relocs_data) New constructor.
3566         (Read_relocs_data::~Read_relocs_data) New destructor.
3567         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
3568         pointers to NULL after deleting.
3569
3570 2010-04-07  Doug Kwan  <dougkwan@google.com>
3571
3572         * arm.cc: Replace "endianity" with "endianness" in comments.
3573         (Arm_exidx_cantunwind): Ditto.
3574         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
3575         (Arm_relobj::merge_flags_and_attributes): New method.
3576         (Arm_relobj::merge_flags_and_attributes_): New data member.
3577         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
3578         (Arm_relobj::scan_sections_for_stubs): Ditto.
3579         (Arm_relobj::do_read_symbols): Check to see if we really want to
3580         merge processor-specific flags and attributes.  Exit early if
3581         an object is empty except for section names and the undefined symbol.
3582         (Target_arm::do_finalize_sections): Move check for ELF format to
3583         Arm_relobj::do_read_symbols.  Merge processor specific flags and
3584         attributes from a regular object only when we have determined that
3585         it is aapropriate.  Do not create an .ARM.attributes section in
3586         output if there is no regular input object.
3587         (Target_arm::merge_processor_specific_flags): Check
3588         --warn-mismatch before printing any error.
3589         (Target_arm::merge_object_attributes): Ditto.
3590         * gold.cc (queue_middle_tasks): Handle the case in which there is
3591         no regular object in input.
3592         * options.cc (General_options::parse_EB): New method.
3593         (General_options::parse_EL): Same.
3594         (General_options::General_options): Initialize endianness_.
3595         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
3596         New options.
3597         (General_options::Endianness): New enum.
3598         (General_options::endianness): New method.
3599         (General_options::endianness_): New data member.
3600         * parameters.cc (Parameters::set_options): Check target endianness.
3601         (Parameters::set_target_once): Ditto.
3602         (Parameters::check_target_endianness): New method.
3603         (parameters_force_valid_target): If either -EL or -EB is specified,
3604         use it to define endianness of default target.
3605         * parameters.h (Parameters::check_target_endianness): New method
3606         declaration.
3607         * target.h (class Target): Change "endianity" to "endianness"
3608         in comments.
3609
3610 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3611
3612         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
3613         * configure: Regenerate.
3614         * Makefile.in: Regenerate.
3615         * testsuite/Makefile.in: Regenerate.
3616
3617 2010-04-06  Cary Coutant  <ccoutant@google.com>
3618
3619         gcc PR lto/42757
3620         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
3621         prevailing definitions of common symbols.
3622         * testsuite/plugin_test_6.sh: New test case.
3623         * testsuite/plugin_common_test_1.c: New test case.
3624         * testsuite/plugin_common_test_2.c: New test case.
3625         * testsuite/Makefile.am (plugin_test_6): New test case.
3626         * testsuite/Makefile.in: Regenerate.
3627
3628 2010-04-06  Nick Clifton  <nickc@redhat.com>
3629
3630         * po/vi.po: New Vietnamese translation.
3631
3632 2010-03-30  Doug Kwan  <dougkwan@google.com>
3633
3634         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
3635
3636 2010-03-25  Doug Kwan  <dougkwan@google.com>
3637
3638         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3639         to avoid a conversion warning on a 32-bit host.
3640
3641 2010-03-24  Ian Lance Taylor  <iant@google.com>
3642
3643         * testsuite/script_test_3.t: Add a TLS segment.
3644         * testsuite/Makefile.am (check_PROGRAMS): Add
3645         tls_phdrs_script_test.
3646         (tls_phdrs_script_test_SOURCES): Define.
3647         (tls_phdrs_script_test_DEPENDENCIES): Define.
3648         (tls_phdrs_script_test_LDFLAGS): Define.
3649         (tls_phdrs_script_test_LDADD): Define.
3650         * testsuite/Makefile.in: Rebuild.
3651
3652 2010-03-23  Cary Coutant  <ccoutant@google.com>
3653
3654         * fileread.cc (find_or_make_view): Fix comment.
3655
3656 2010-03-23  Ian Lance Taylor  <iant@google.com>
3657
3658         * script-sections.cc (class Orphan_section_placement): Define
3659         PLACE_TLS and PLACE_TLS_BSS.
3660         (Orphan_section_placement::Orphan_section_placement): Initialize
3661         new places.
3662         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3663         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3664         (tls_script_test_SOURCES): Define.
3665         (tls_script_test_DEPENDENCIES): Define.
3666         (tls_script_test_LDFLAGS): Define.
3667         (tls_script_test_LDADD): Define.
3668         * testsuite/Makefile.in: Rebuild.
3669
3670 2010-03-22  Doug Kwan  <dougkwan@google.com>
3671
3672         * arm.cc (Arm_relocate_functions::abs8,
3673         Arm_relocate_functions::abs16): Use correct check for overflow
3674         specified in the ARM ELF specs.
3675         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3676         target of a BLX instruction specially.
3677         (Reloc_stub::stub_type_for_reloc): Ditto.
3678         (Relocate::relocate): Use symbolic names instead of numeric relocation
3679         codes to report error.
3680         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3681         workaround.
3682         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3683         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3684         thumb2_blx_out_of_range.stdout
3685         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3686         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3687         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3688         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3689         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3690         thumb2_blx_in_range, thumb2_blx_in_range.o,
3691         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3692         thumb2_blx_out_of_range.o): New rules.
3693         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3694         thumb2_blx_in_range and thumb2_blx_out_of_range.
3695         * testsuite/Makefile.in: Regenerate.
3696         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3697         * testsuite/thumb_blx_in_range.s: New file.
3698         * testsuite/thumb_blx_out_of_range.s: New file.
3699
3700 2010-03-22  Rafael Espindola  <espindola@google.com>
3701
3702         * archive.cc (Should_include): Move to archive.h.
3703         (should_include_member): Make it a member of Archive.
3704         (Lib_group): New.
3705         (Add_lib_group_symbols): New.
3706         * archive.h: Include options.h.
3707         (Archive_member): Moved from Archive.
3708         (Should_include): Moved from archive.cc.
3709         (Lib_group): New.
3710         (Add_lib_group_symbols): New.
3711         * dynobj.cc (do_should_include_member): New.
3712         * dynobj.h (do_should_include_member): New.
3713         * gold.cc (queue_initial_tasks): Update call to queue.
3714         * main.cc (main): Print lib group stats.
3715         * object.cc (do_should_include_member): New.
3716         * object.h: Include archive.h.
3717         (Object::should_include_member): New.
3718         (Object::do_should_include_member): New.
3719         (Sized_relobj::do_should_include_member): New.
3720         * options.cc (General_options::parse_start_lib): New.
3721         (General_options::parse_end_lib): New.
3722         (Input_arguments::add_file): Handle lib groups.
3723         (Input_arguments::start_group): Check we are not in a lib.
3724         (Input_arguments::start_lib): New.
3725         (Input_arguments::end_lib): New.
3726         * options.h (General_options): Add start_lib and end_lib.
3727         (Input_argument::lib_): New.
3728         (Input_argument::lib): New.
3729         (Input_argument::is_lib): New.
3730         (Input_file_lib): New.
3731         (Input_arguments::in_lib_): New.
3732         (Input_arguments::in_lib): New.
3733         (Input_arguments::start_lib): New.
3734         (Input_arguments::end_lib_): New.
3735         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3736         in unused members as preempted.
3737         (Sized_pluginobj::do_should_include_member): New.
3738         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3739         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3740         return the blocker.
3741         (Read_symbols::do_whole_lib_group): New.
3742         (Read_symbols::do_lib_group): New.
3743         (Read_symbols::do_read_symbols): Handle lib groups.
3744         (Read_symbols::get_name): Handle lib groups.
3745         * readsyms.h (Read_symbols): Add an archive member pointer.
3746         (Read_symbols::do_whole_lib_group): New.
3747         (Read_symbols::do_lib_group): New.
3748         (Read_symbols::member_): New.
3749         * script.cc (read_input_script): Update call to queue_soon.
3750
3751 2010-03-19  Doug Kwan  <dougkwan@google.com>
3752
3753         * arm.cc (Stub_table::Stub_table): Initialize new data members
3754         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3755         (Stub_table::add_reloc_stub): Assign stub offset and update
3756         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3757         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3758         New data members.
3759         (Stub_table::update_data_size_and_addralign): Use
3760         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3761         instead of going over all reloc stubs.
3762         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3763         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3764         Stringpool_template::offset_ to size of Stringpool_char.
3765         (Stringpool_template::new_key_offset): Remove code to initialize
3766         Stringpool_template::offset_.
3767         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3768         Stringpool_template::offset_ to zero.
3769
3770 2010-03-15  Doug Kwan  <dougkwan@google.com>
3771
3772         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3773         offset_.
3774         (Stringpool_template::new_key_offset): New method.
3775         (Stringpool_template::add_string): Assign offsets when adding new
3776         strings.
3777         (Stringpool_template::set_string_offsets): Do not set string offsets
3778         when not optimizing.
3779         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3780         member size_.
3781         (Chunked_vector::clear): Clear size_.
3782         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3783         (Chunked_vector::size): Return size_.
3784         (Chunked_vector::push_back): Use size_ to find insert position.
3785         (Chunked_vector::size_): New data member.
3786         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3787         (Stringpool_template::new_key_offset): New method declaration.
3788         (Stringpool_template::offset_): New data member.
3789
3790 2010-03-15   Rafael Espindola  <espindola@google.com>
3791
3792         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3793         Add_symbols' constructor.
3794         * readsyms.h (Add_symbols): Remove the input_group member.
3795
3796 2010-03-10  Ian Lance Taylor  <iant@google.com>
3797
3798         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3799         target to ask whether a reference to a symbol requires a stack
3800         split.
3801         * target.h (Target::is_call_to_non_split): New function.
3802         (Target::do_is_call_to_non_split): Declare virtual function.
3803         * target.cc: Include "symtab.h".
3804         (Target::do_is_call_to_non_split): New function.
3805         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3806
3807 2010-03-10  Cary Coutant  <ccoutant@google.com>
3808
3809         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3810         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3811         (File_read::open[2]): Add whole_file_view_ to list of views.
3812         (File_read::make_view): Remove test of whole_file_view_.
3813         (File_read::find_or_make_view): Create whole_file_view_ if
3814         necessary.
3815         (File_read::clear_views): Replace bool parameter with enum;
3816         adjust all callers.  Don't delete views with permanent data;
3817         do delete cached views and views from archives if
3818         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3819         if clearing the corresponding view.
3820         * fileread.h (File_read::Clear_views_mode): New enum.
3821         (File_read::View::is_permanent_view): New method.
3822         (File_read::clear_views): Replace bool parameter
3823         with enum; adjust all callers.
3824         * options.h (General_options): Change keep_files_mapped option;
3825         add map_whole_files.
3826         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3827         releasing the file.
3828         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3829         the file.
3830
3831 2010-03-10  David S. Miller  <davem@davemloft.net>
3832
3833         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3834
3835 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3836
3837         * icf.cc (get_section_contents): Add '@' marker after processing the
3838         merge reloc.
3839
3840 2010-03-08  Doug Kwan  <dougkwan@google.com>
3841
3842         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3843         due to a conversion warning.
3844         (Arm_relobj::update_output_local_symbol_count): Check for local
3845         symbol with unset output index.
3846
3847 2010-03-05  Ian Lance Taylor  <iant@google.com>
3848
3849         * options.h (class General_options): Add --spare-dynamic-tags.
3850         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3851         --spare-dynamic-tags.
3852
3853 2010-03-05  Ian Lance Taylor  <iant@google.com>
3854
3855         * incremental.cc: Include "libiberty.h".
3856
3857 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3858
3859         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3860         function, is_info_ member.
3861         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3862         (Versions::Versions): Update caller.
3863         (Versions::define_base_version): Likewise.
3864         (Versions::add_def): Likewise.
3865
3866 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3867
3868         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3869         (Scan::possible_function_pointer_reloc): New function.
3870         (Scan::local_reloc_may_be_function_pointer): Change to call
3871         possible_function_pointer_reloc.
3872         (Scan::global_reloc_may_be_function_pointer): Ditto.
3873         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3874         relocations in ".data.rel.ro._ZTV" section.
3875         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3876         * testsuite/icf_safe_so_test.cc: Ditto.
3877         * testsuite/icf_safe_test.cc: Ditto.
3878         * testsuite/icf_safe_test.sh: Ditto.
3879
3880 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3881             Ian Lance Taylor  <iant@google.com>
3882
3883         * target-reloc.h (relocate_section): Check the symbol table index
3884         for -1U before setting the local symbol index.
3885         (scan_relocatable_relocs): If copying the relocation, record that
3886         the local symbol is required.
3887         * object.h (Symbol_value::is_output_symtab_index_set): New
3888         function.
3889         (Symbol_value::may_be_discarded_from_output_symtab): New
3890         function.
3891         (Symbol_value::has_output_symtab_entry): New function.
3892         (Symbol_value::needs_output_symtab_entry): Remove.
3893         (Symbol_value::output_symtab_index): Make sure the symbol index is
3894         set.
3895         (Symbol_value::set_output_symtab_index): Make sure the symbol
3896         index is not set.  Make sure the new index is valid.
3897         (Symbol_value::set_must_have_output_symtab_entry): New function.
3898         (Symbol_value::has_output_dynsym_entry): New function.
3899         (Symbol_value::set_output_dynsym_index): Make sure the new index
3900         is valid.
3901         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3902         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3903         local symbol if permitted.
3904         (Sized_relobj::do_finalize_local_symbols): Call
3905         is_output_symtab_index_set rather than needs_output_symtab_entry.
3906         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3907         rather than needs_output_symtab_entry.  Call
3908         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3909         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3910         is_output_symtab_index_set rather than needs_output_symtab_entry.
3911         * testsuite/discard_locals_relocatable_test.c: New file.
3912         * testsuite/discard_locals_test.sh: Test -r.
3913         * testsuite/Makefile.am (check_DATA): Add
3914         discard_locals_relocatable_test1.syms,
3915         discard_local_relocatable_test2.syms.
3916         (MOSTLYCLEANFILES): Likewise.  Also add
3917         discard_locals_relocatable_test1.lout and
3918         discard_locals_relocatable_test2.out.
3919         (discard_locals_relocatable_test1.syms): New target.
3920         (discard_locals_relocatable_test.o): New target.
3921         (discard_locals_relocatable_test1.out): New target.
3922         (discard_locals_relocatable_test2.syms): New target.
3923         (discard_locals_relocatable_test2.out): New target.
3924         (various): Add missing ../ld-new dependencies.
3925         * testsuite/Makefile.in: Rebuild.
3926
3927 2010-03-03  Nick Clifton  <nickc@redhat.com>
3928
3929         * po/fi.po: New Finnish translation.
3930
3931 2010-03-01  Doug Kwan  <dougkwan@google.com>
3932
3933         * layout.cc (Layout::Layout): Force section types of .init_array*,
3934         .preinit_array* and .fini_array* sections.
3935         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3936         Fix check of return value of std::string::find.().
3937         (Output_section::Input_section_sort_compare::operator()): Remove
3938         comment about .init_array.
3939         (Output_section::Input_section_sort_init_fini_compare::operator()):
3940         New method.
3941         (Output_section::sort_attached_input_sections): Handle .init_array
3942         and .fini_array specially.
3943         * output.h (Output_section::Inut_section_sort_compare): Update
3944         comment.
3945         (Output_section::Input_section_sort_init_fini_compare): New struct.
3946
3947 2010-02-26  Doug Kwan  <dougkwan@google.com>
3948
3949         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
3950         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
3951         * testsuite/debug_msg.sh: Avoid matching source line number for
3952         use of global variable undef_int.
3953
3954 2010-02-26  Doug Kwan  <dougkwan@google.com>
3955
3956         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
3957         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
3958         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
3959         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
3960         * options.cc (General_options::General_options): Initialize member
3961         fix_v4bx_.
3962         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
3963         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
3964         and rm_no_fix_v4bx.stdout
3965         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
3966         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
3967         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
3968         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
3969         and arm_no_fix_v4bx.
3970         * Makefile.in: Regenerate.
3971         * testsuite/arm_fix_v4bx.s: New file.
3972         * testsuite/arm_fix_v4bx.sh: Ditto.
3973
3974 2010-02-24  Doug Kwan  <dougkwan@google.com>
3975
3976         * arm.cc (Target_arm::got_section): Make the .got section the first
3977         non RELRO section in the data segment.
3978         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
3979         suffixes of section names.
3980
3981 2010-02-24  Doug Kwan  <dougkwan@google.com>
3982
3983         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
3984         flags and attributes merging if an input file is a binary file.
3985         * fileread.cc (Input_file::open): Record format of original file.
3986         * fileread.h (Input_file::Format): New enum type.
3987         (Input_file::Input_file): Initialize data member format_.
3988         (Input_file::format): New method definition.
3989         (Input_file::format_):: New data member.
3990
3991 2010-02-24  Doug Kwan  <dougkwan@google.com>
3992
3993         * arm.cc (Arm_output_data_got): New class.
3994         (ARM_TCB_SIZE): New constant
3995         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
3996         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
3997         If user uses a script with a SECTIONS clause, issue only a warning
3998         for a misplaced EXIDX input section.  Otherwise, issue an error.
3999         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4000         garbage collection.
4001         (Target_arm::got_mode_index_entry): Handle static linking.
4002         (Target_arm::Scan::local): Ditto.
4003         (Target_arm::Scan::global): Ditto.
4004         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4005         all incorrectly implemented relocations.
4006         (Target_arm::fix_exidx_coverage): Pass layout to
4007         Arm_output_section::fix_exidx_coverage.
4008         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4009         from ".ARM.exidx." and ".ARM.extab.".
4010
4011 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4012
4013         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4014         section if it does not already exist.
4015         * attributes.cc (Attributes_section_data::Attributes_section_data):
4016         Don't crash if size is zero.
4017
4018 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4019             Ian Lance Taylor  <iant@google.com>
4020
4021         * gold.cc (queue_middle_tasks): If no input files were opened,
4022         exit.
4023         * workqueue.h (Task_function::Task_function): Assert that there is
4024         a blocker.
4025
4026 2010-02-22  Doug Kwan  <dougkwan@google.com>
4027
4028         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4029         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4030         types to avoid warnings due to different uint64_t implementations
4031         on different hosts.
4032
4033 2010-02-21  Doug Kwan  <dougkwan@google.com>
4034
4035         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4036         handling of the maximum backward branch offset.
4037         (Arm_relocate_functions::thumb_branch_common): Ditto.
4038         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4039         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4040         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4041         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4042         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4043         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4044         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4045         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4046         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4047         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4048         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4049         thumb2_bl_out_of_range.o): New rules.
4050         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4051         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4052         thumb2_bl_out_of_range
4053         * testsuite/Makefile.in: Regenerate.
4054         * testsuite/arm_bl_in_range.s: New file.
4055         * testsuite/arm_bl_out_of_range.s: Ditto.
4056         * testsuite/arm_branch_in_range.sh: Ditto.
4057         * testsuite/arm_branch_range.t: Ditto.
4058         * testsuite/thumb2_branch_range.t: Ditto.
4059         * testsuite/thumb_bl_in_range.s: Ditto.
4060         * testsuite/thumb_bl_out_of_range.s: Ditto.
4061         * testsuite/thumb_branch_range.t: Ditto.
4062
4063 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4064
4065         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4066         Add reloc offset information.
4067         * icf.cc (get_section_contents): Change iterators to point to the new
4068         vectors. Add reloc offset information to the contents.
4069         * icf.h (Icf::Sections_reachable_info): New typedef.
4070         (Icf::Sections_reachable_list): New typedef.
4071         (Icf::Offset_info): New typedef.
4072         (Icf::Reloc_info): New struct typedef.
4073         (Icf::Reloc_info_list): New typedef.
4074         (Icf::symbol_reloc_list): Delete method.
4075         (Icf::addend_reloc_list): Delete method.
4076         (Icf::section_reloc_list): Delete method.
4077         (Icf::reloc_info_list): New method.
4078         (Icf::reloc_info_list_): New member.
4079
4080 2010-02-19  Doug Kwan  <dougkwan@google.com>
4081
4082         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4083         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4084         * arm.cc (Arm_relocation_functions): New forward declaration.
4085         (Target_arm::Target_arm): Initialize new data members
4086         got_mod_index_offset_ and tls_base_symbol_defined_.
4087         (Target_arm::Relocate::relocate_tls): New method.
4088         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4089          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4090         New methods.
4091         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4092         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4093         (Target_arm::got_mod_index_offset_,
4094         Target_arm::tls_base_symbol_defined_): New data members.
4095         (Target_arm::Scan::local, Target::Scan::global,
4096         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4097         relocations.
4098
4099 2010-02-18  Doug Kwan  <dougkwan@google.com>
4100
4101         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4102         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4103         text section as a parameter becuase some broken tools may not set
4104         the link in section header.
4105         (Target_arm::has_got_section): New method.
4106         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4107         without any mapping symbol as data only.  Remove warning.
4108         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4109         link in its section header, try to discover the link by inspecting the
4110         REL31 relocation at the beginning of the section.
4111         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4112         in error message.
4113         (Target_arm::Scan::global): Treat any reference to the symbol
4114         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4115
4116 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4117
4118         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4119         (Scan::global_reloc_may_be_function_pointer): New function.
4120         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4121         (Scan::global_reloc_may_be_function_pointer): New function.
4122         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4123         (Scan::global_reloc_may_be_function_pointer): New function.
4124         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4125         (Scan::global_reloc_may_be_function_pointer): New function.
4126         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4127         (Scan::global_reloc_may_be_function_pointer): New function.
4128         (Scan::possible_function_pointer_reloc): New function.
4129         (Target_x86_64::can_check_for_function_pointers): New function.
4130         * gc.h (gc_process_relocs): Scan relocation types to determine if
4131         function pointers were taken for targets that support it.
4132         * icf.cc (Icf::find_identical_sections): Include functions for
4133         folding in safe ICF whose pointer is not taken.
4134         * icf.h (Secn_fptr_taken_set): New typedef.
4135         (fptr_section_id_): New member.
4136         (section_has_function_pointers): New function.
4137         (set_section_has_function_pointers): New function.
4138         (check_section_for_function_pointers): New function.
4139         * options.h: Fix comment for safe ICF option.
4140         * target.h (can_check_for_function_pointers): New function.
4141         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4142         Modify icf_safe_test for X86-64.
4143         * testsuite/Makefile.in: Regenerate.
4144         * testsuite/icf_safe_so_test.cc: New file.
4145         * testsuite/icf_safe_so_test.sh: New file.
4146         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4147         (main): Change to take pointer to function kept_func_3.
4148         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4149         folding is done correctly for X86-64.
4150
4151 2010-02-12  David S. Miller  <davem@davemloft.net>
4152
4153         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4154         is_symbolless parameter.
4155         (Output_reloc<SHT_REL>::is_symbolless): New.
4156         (Output_reloc<SHT_REL>::is_symbolless_): New.
4157         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4158         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4159         (Output_reloc<SHT_RELA>::is_symbolless): New.
4160         (Output_data_reloc::add_global): Handle is_symbolless.
4161         (Output_data_reloc::add_global_relative): Likewise.
4162         (Output_data_reloc::add_local): Likewise.
4163         (Output_data_reloc::add_local_relative): Likewise.
4164         (Output_data_reloc::add_symbolless_global_addend): New.
4165         (Output_data_reloc::add_symbolless_local_addend): New.
4166         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4167         is_symbolless.
4168         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4169         instead of ->is_relative_
4170         (Output_reloc::write): Likewise.
4171         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4172         (Output_reloc::write_rel): Simplify.
4173
4174         * sparc.cc (Target_sparc::Scan::local): Use
4175         ->add_symbolless_local_addend as needed.
4176         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4177         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4178         based upon relocation offset.
4179
4180 2010-02-11  Doug Kwan  <dougkwan@google.com>
4181
4182         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4183         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4184         beginning of function.
4185         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4186         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4187         parameter is_32bit in calls to should_apply_static_reloc.
4188         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4189         (check_DATA): Add arm_abs_global.stdout.
4190         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4191         arm_abs_global.stdout): New rules.
4192         (MOSTLLYCLEANFILES): Add arm_abs_global
4193         * Makefile.in: Regenerate.
4194         * testsuite/arm_abs_global.s: New file.
4195         * testsuite/arm_abs_global.sh: Ditto.
4196         * testsuite/arm_abs_lib.s: Ditto.
4197
4198 2010-02-11  Ian Lance Taylor  <iant@google.com>
4199
4200         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4201         Read_relocs task.
4202         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4203         Allocate_commons_task first.
4204         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4205         task, rather than symtab_lock_.
4206         (Gc_process_relocs::~Gc_process_relocs): New function.
4207         (Gc_process_relocs::is_runnable): Check this_blocker_.
4208         (Gc_process_relocs::locks): Use next_blocker_ rather than
4209         blocker_.
4210         (Scan_relocs::~Scan_relocs): New function.
4211         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4212         symtab_lock_.
4213         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4214         next_blocker_.
4215         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4216         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4217         constructor accordingly.
4218         (class Gc_process_relocs): Likewise.
4219         (class Scan_relocs): Likewise.
4220         * common.h (class Allocate_commons_task): Remove symtab_lock_
4221         field, and corresponding constructor parameter.
4222         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4223         symtab_lock_.
4224         (Allocate_commons_task::locks): Likewise.
4225
4226 2010-02-11  Ian Lance Taylor  <iant@google.com>
4227
4228         * gold-threads.h (class Once): Define.
4229         (class Initialize_lock): Rewrite as child of Once.
4230         * gold-threads.cc (class Once_initialize): Define.
4231         (once_pointer_control): New static variable.
4232         (once_pointer, once_arg): New static variables.
4233         (c_run_once): New static function.
4234         (Once::Once, Once::run_once, Once::internal_run): New functions.
4235         (class Initialize_lock_once): Remove.
4236         (initialize_lock_control): Remove.
4237         (initialize_lock_pointer): Remove.
4238         (initialize_lock_once): Remove.
4239         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4240         (Initialize_lock::initialize): Rewrite.
4241         (Initialize_lock::do_run_once): New function.
4242         * archive.cc (Archive::interpret_header): Only clear name if it is
4243         not already empty.
4244         * fileread.cc: Include "gold-threads.h"
4245         (file_counts_lock): New static variable.
4246         (file_counts_initialize_lock): Likewise.
4247         (File_read::release): Only increment counts when using --stats.
4248         Use a lock around the increment.
4249         * parameters.cc (class Set_parameters_target_once): Define.
4250         (set_parameters_target_once): New static variable.
4251         (Parameters::Parameters): Move here from parameters.h.
4252         (Parameters::set_target): Rewrite.
4253         (Parameters::set_target_once): New function.
4254         (Parameters::clear_target): Move here and rewrite.
4255         * parameters.h (class Parameters): Update declarations.  Add
4256         set_parameters_target_once_ field.
4257         (Parameters::Parameters): Move to parameters.cc.
4258         (Parameters::clear_target): Likewise.
4259         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4260         task.
4261         (Start_group::~Start_group): New function.
4262         (Start_group::is_runnable): New function.
4263         (Start_group::locks, Start_group::run): New functions.
4264         (Finish_group::run): Change saw_undefined to size_t.
4265         * readsyms.h (class Start_group): Define.
4266         (class Finish_group): Change saw_undefined_ field to size_t.
4267         (Finish_group::Finish_group): Remove saw_undefined and
4268         this_blocker parameters.  Change all callers.
4269         (Finish_group::set_saw_undefined): New function.
4270         (Finish_group::set_blocker): New function.
4271         * symtab.h (class Symbol_table): Change saw_undefined to return
4272         size_t.  Change saw_undefined_ field to size_t.
4273         * target-select.cc (Set_target_once::do_run_once): New function.
4274         (Target_selector::Target_selector): Initialize set_target_once_
4275         field.  Don't initialize lock_ and initialize_lock_ fields.
4276         (Target_selector::instantiate_target): Rewrite.
4277         (Target_selector::set_target): New function.
4278         * target-select.h (class Set_target_once): Define.
4279         (class Target_selector): Update declarations.  Make
4280         Set_target_once a friend.  Remove lock_ and initialize_lock_
4281         fields.  Add set_target_once_ field.
4282
4283 2010-02-10  Ian Lance Taylor  <iant@google.com>
4284
4285         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4286         queueing any tasks.
4287         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4288         (queue_middle_tasks): Add all blockers before queueing any tasks.
4289         (queue_final_tasks): Likewise.
4290         * token.h (Task_token::add_blockers): New function.
4291         * object.h (Input_objects::number_of_relobjs): New function.
4292
4293 2010-02-10  Ian Lance Taylor  <iant@google.com>
4294
4295         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4296         shared, not if not position independent.
4297         * x86_64.cc (Relocate::relocate_tls): Likewise.
4298         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4299         (tls_pie_pic_test): New target.
4300         * testsuite/Makefile.in: Rebuild.
4301
4302         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4303         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4304         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4305         * testsuite/Makefile.in: Rebuild.
4306
4307 2010-02-09  David S. Miller  <davem@davemloft.net>
4308
4309         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4310         R_SPARC_RELATIVE using ->add_local_relative().
4311         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4312
4313         * output.h (Output_data_dynamic::add_section_size): New method
4314         that takes two Output_data objects.
4315         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4316         entry param.  Handle it in initializers.
4317         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4318         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4319         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4320         arg.
4321         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4322         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4323         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4324         for dynrel_includes_plt.
4325         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4326         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4327         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4328         before .rela.plt
4329         (Target_sparc::do_finalize_sections): Update to pass true for
4330         dynrel_includes_plt.
4331         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4332         output before .rela.plt
4333         (Target_powerpc::do_finalize_sections): Update to pass true for
4334         dynrel_includes_plt when 32-bit.
4335
4336 2010-02-08  Doug Kwan  <dougkwan@google.com>
4337
4338         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4339         method.
4340         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4341         Arm_relobj::scan_section_for_cortex_a8_stubs,
4342         Arm_relobj::do_relocation_section): Instead of calling
4343         Output_section::output_address, use faster
4344         Arm_relobj::simple_input_section_output_address.
4345
4346 2010-02-08  David S. Miller  <davem@davemloft.net>
4347
4348         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4349         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4350         relocation helper function.
4351
4352         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4353         just like R_SPARC_GOT{10,13,22}.
4354         (Target_sparc::Scan::local): Likewise.
4355         (Target_sparc::Relocate:relocate): Likewise.
4356
4357 2010-02-06  Ian Lance Taylor  <iant@google.com>
4358
4359         * configure.ac: Rewrite targetobjs duplicate removal code to use
4360         only shell constructs.
4361         * configure: Rebuild.
4362
4363 2010-02-05  Doug Kwan  <dougkwan@google.com>
4364
4365         PR 11247
4366         * arm.cc (Arm_relobj::section_is_scannable): New method.
4367         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4368         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4369
4370 2010-02-04  Doug Kwan  <dougkwan@google.com>
4371
4372         PR 11247
4373         * arm-reloc-property.cc (cstdio): Include.
4374         * configure.ac (targetobjs): Remove duplicates.
4375         * configure: Regenerate.
4376         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4377         big and little endian version for a given address size.
4378
4379 2010-02-03  Doug Kwan  <dougkwan@google.com>
4380
4381         * arm-reloc-property.cc
4382         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4383         definition.
4384         * arm-reloc-property.h
4385         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4386         New method definition.
4387         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4388         declaration.
4389         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4390         overflow to N.
4391         (GOT_PREL): Change implemented to Y.
4392         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4393         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4394         (Arm_relocate_functions::movw_abs_nc): Remove method.
4395         (Arm_relocate_functions::movt_abs): Ditto.
4396         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4397         (Arm_relocate_functions::thm_movt_abs): Ditto.
4398         (Arm_relocate_functions::movw_rel_nc): Ditto.
4399         (Arm_relocate_functions::movw_rel): Ditto.
4400         (Arm_relocate_functions::movt_rel): Ditto.
4401         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4402         (Arm_relocate_functions:thm_movw_rel): Ditto.
4403         (Arm_relocate_functions:thm_movt_rel): Ditto.
4404         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4405         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4406         New method definitions.
4407         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4408         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4409         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4410         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4411         (Target_arm::Relocate::relocate): Check for non-static or
4412         unimplemented relocation code and exit early.  Change calls to
4413         Target_arm::reloc_uses_thumb_bit and
4414         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4415         instead.  Refactor code to handle similar relocations to increase
4416         code sharing.  Remove check for unsupported relocation code in switch
4417         statement.
4418         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4419         relocation property table to find out size.  Change error message to
4420         print out the name of a relocation code instead of the numeric value.
4421         (Target_arm::scan_reloc_for_stub): Use relocation property table
4422         instead of calling Target_arm::reloc_uses_thumb_bit().
4423
4424 2010-02-02  Doug Kwan  <dougkwan@google.com>
4425
4426         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4427         types of relaxed input section.
4428
4429 2010-02-02  Doug Kwan  <dougkwan@google.com>
4430
4431         * Makefile.am (HFILES): Add arm-reloc-property.h.
4432         (DEFFILES): New.
4433         (TARGETSOURCES): Add arm-reloc-property.cc
4434         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4435         (libgold_a_SOURCES): $(DEFFILES)
4436         * Makefile.in: Regenerate.
4437         * arm-reloc-property.cc: New file.
4438         * arm-reloc-property.h: New file.
4439         * arm-reloc.def: New file.
4440         * arm.cc: Update comments.
4441         (arm-reloc-property.h): New included header.
4442         (arm_reloc_property_table): New global variable.
4443         (Target_arm::do_select_as_default_target): New method definition.
4444         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4445         arm-reloc-property to targ_extra_obj.
4446         * parameters.cc (set_parameters_target): Call
4447         Target::select_as_default_target().
4448         * target.h (Target::select_as_default_target): New method definition.
4449         (Target::do_select_as_default_target): Same.
4450
4451 2010-02-01  Doug Kwan  <dougkwan@google.com>
4452
4453         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4454         first_output_text_section_.
4455         (Arm_exidx_fixup::first_output_text_section): New method definition.
4456         (Arm_exidx_fixup::first_output_text_section_): New data member.
4457         (Arm_exidx_fixup::process_exidx_section): Record the first text
4458         output section seen.
4459         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4460         and entsize in output section header.
4461
4462 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4463
4464         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4465         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4466         (Arm_relocate_functions::thm_alu11): New Method.
4467         (Arm_relocate_functions::thm_pc8): New Method.
4468         (Arm_relocate_functions::thm_pc12): New Method.
4469         (Target_arm::Scan::local): Handle the relocations.
4470         (Target_arm::Scan::global): Likewise.
4471         (Target_arm::Relocate::relocate): Likewise.
4472         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4473
4474 2010-01-29  Doug Kwan  <dougkwan@google.com>
4475
4476         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4477         of relocation types as ld.
4478
4479 2010-01-29  Doug Kwan  <dougkwan@google.com>
4480
4481         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
4482         to public.
4483         (Arm_relocate_functions::thumb_branch_common): Ditto.
4484         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
4485         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
4486         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
4487         Arm_relocate_functions::jump24): Remove.
4488         (Target_arm::Relocate::relocate): Adjust code to call
4489         Arm_relocation_functions::arm_branch_common and
4490         Arm_relocation_functions::thumb_branch_common instead of their removed
4491         wrappers.  Merge switch-cases together to reduce source code size.
4492
4493 2010-01-29  Doug Kwan  <dougkwan@google.com>
4494
4495         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
4496         output_local_symbol_count_needs_update_.
4497         (Arm_relobj::output_local_symbol_count_needs_update,
4498          Arm_relobj::set_output_local_symbol_count_needs_update,
4499          Arm_relobj::update_output_local_symbol_count): New methods.
4500         (Arm_relobj::output_local_symbol_count_needs_update_): New data
4501         member.
4502         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
4503         of pointed function as in a R_ARM_PREL31 relocation.
4504         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
4505         for output local symbol count updating.
4506         (Target_arm::do_relax): Update output local symbol counts in objects
4507         if necessary.
4508         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
4509
4510 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4511
4512         * arm.cc: Added support for the ARM relocations:
4513         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
4514         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
4515         (Arm_relocate_functions::movw_rel_nc): Renamed (was
4516         movw_prel_nc).
4517         (Arm_relocate_functions::movw_rel): New method.
4518         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
4519         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
4520         thm_movw_prel_nc).
4521         (Arm_relocate_functions::thm_movw_rel): New method.
4522         (Arm_relocate_functions::thm_movt_rel): Renamed (was
4523         thm_movt_prel).
4524         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
4525         relocations.
4526         (Target_arm::Scan::global): Likewise.
4527         (Target_arm::Relocate::relocate): Likewise.
4528         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4529         Likewise.
4530
4531 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4532
4533         * arm.cc: Added support for ARM group relocations.
4534         (Target_arm::reloc_needs_sym_origin): New method.
4535         (Arm_relocate_functions::calc_grp_kn): New method.
4536         (Arm_relocate_functions::calc_grp_residual): New method.
4537         (Arm_relocate_functions::calc_grp_gn): New method.
4538         (Arm_relocate_functions::arm_grp_alu): New Method.
4539         (Arm_relocate_functions::arm_grp_ldr): New Method.
4540         (Arm_relocate_functions::arm_grp_ldrs): New Method.
4541         (Arm_relocate_functions::arm_grp_ldc): New Method.
4542         (Target_arm::Scan::local): Handle the ARM group relocations.
4543         (Target_arm::Scan::global): Likewise.
4544         (Target_arm::Relocate::relocate): Likewise.
4545         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4546         Likewise.
4547
4548 2010-01-26  Doug Kwan  <dougkwan@google.com>
4549
4550         * arm.cc (set): Include.
4551         (class Arm_exidx_fixup): Change type of last_input_section_ to const
4552         pointer type.
4553         (Arm_output_section::Text_section_list): New type.
4554         (Arm_output_section::append_text_sections_to_list): New method.
4555         (Arm_output_section::fix_exidx_coverage): Ditto.
4556         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
4557         (Arm_relobj::convert_input_section_to_relaxed_section): Use
4558         Relobj::set_section_offset() instead of
4559         Sized_relobj::invalidate_section_offset().
4560         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
4561         parameter for section headers. Ignore relocation sections for
4562         unallocated sections and EXIDX sections.
4563         (Target_arm::fix_exidx_coverage): New method.
4564         (Target_arm::output_section_address_less_than): New type.
4565         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
4566         linked text section instead of the EXIDX section.
4567         (Arm_output_section::create_stub_group): Add an assertion to check
4568         that this is not an EXIDX output section.
4569         (Arm_output_section::append_text_sections_to_list): New method.
4570         (Arm_output_section::fix_exidx_coverage): Ditto.
4571         (Arm_relobj::scan_sections_for_stubs): Adjust call to
4572         Arm_relobj::section_needs_reloc_stub_scanning.
4573         (Target_arm::do_relax): Fix EXIDX output section coverage in the
4574         first pass.
4575         (Target_arm::fix_exidx_coverage): New method.
4576         * object.h (Relobj::set_output_section): New method.
4577         (Sized_relobj::invalidate_section_offset): Remove method.
4578         (Sized_relobj::do_invalidate_section_offset): Remove method.
4579         (Sized_relobj::do_set_section_offset): Handle offset value -1.
4580
4581 2010-01-25  Doug Kwan  <dougkwan@google.com>
4582
4583         * arm.cc (Arm_exidx_merged_section::do_output_offset):
4584         Fix warning due to signed and unsigned comparison on a 32-bit host.
4585
4586 2010-01-22  Doug Kwan  <dougkwan@google.com>
4587
4588         * arm.cc (Target_arm::do_relax): Record an output section for section
4589         offset adjustment it contains any stub table that has changed.
4590         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
4591         offsets in an output section if necessary.
4592         * output.cc (Output_section::Output_section): Initialize
4593         section_offsets_need_adjustments_.
4594         (Output_section::add_input_section_for_script): Renamed to
4595         Output_section::add_simple_input_section.
4596         (Output_section::save_states): Add a comment.
4597         (Output_section::discard_states): New method defintion.
4598         (Output_section::adjust_section_offsets): Same.
4599         * output.h (Output_section::add_input_section_for_script): Renamed to
4600         Output_section::add_simple_input_section.
4601         (Output_section::discard_states): New method declaration.
4602         (Output_section::adjust_section_offsets): Same.
4603         (Output_section::section_offsets_need_adjustment,
4604         Output_section::set_section_offsets_need_adjustment): New method
4605         definitions.
4606         (Output_section::section_offsets_need_adjustment_): New data member.
4607         * script-sections.cc
4608         (Output_section_element_input::set_section_address): Adjust code for
4609         renaming of Output_section::add_input_section_for_script.
4610         (Orphan_output_section::set_section_address): Same.
4611
4612 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4613
4614         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
4615         Fix_v4bx enum values .
4616         * gold/options.h (General_options): New option definitions.
4617         (General_options::fix_v4bx): New method.
4618         (General_options::Fix_v4bx): New enum.
4619         * gold/options.cc (General_options::parse_fix_v4bx): New method.
4620         (General_options::parse_fix_v4bx_interworking): New method.
4621
4622 2010-01-22  Doug Kwan  <dougkwan@google.com>
4623
4624         * arm.cc (Arm_exidx_fixup): New class.
4625
4626 2010-01-21  Doug Kwan  <dougkwan@google.com>
4627
4628         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
4629         classes.
4630         (Arm_exidx_section_offset_map): New type.
4631
4632 2010-01-21  Doug Kwan  <dougkwan@google.com>
4633
4634         * arm.cc (Arm_exidx_input_section): New class.
4635         (Arm_relobj::exidx_input_section_by_link,
4636         Arm_relobj::exidx_input_section_by_shndx,
4637         Arm_relobj::make_exidx_input_section): New methods.
4638         (read_arm_attributes_section): Remove.
4639         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4640         information about them.
4641         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4642         to here.
4643
4644 2010-01-20  Doug Kwan  <dougkwan@google.com>
4645
4646         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4647         Input_section_specifier to Section_id.
4648         (Target_arm::new_arm_input_section: Adjust code for change of key
4649         type.
4650         (Target_arm::find_arm_input_section): Ditto.
4651         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4652         (Section_id): Remove.
4653         (Garbage_collection::Section_id_hash): Remove.
4654         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4655         (Section_id): Remove.
4656         (Icf::Section_id_hash): Remove.
4657         * object.h (Section_id, Const_section_id, Section_id_hash,
4658         Const_section_id_hash): New type definitions.
4659         * output.cc (Output_section::add_relaxed_input_section): Change to
4660         use Const_section_id instead of Input_section_specifier as key type.
4661         (Output_section::add_merge_input_section): Ditto.
4662         (Output_section::build_relaxation_map): Change to use Section_id
4663         instead of Input_section_specifier as key type.
4664         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4665         Ditto.
4666         (Output_section::convert_input_sections_to_relaxed_sections): Change
4667         to use Const_section_id instead of Input_section_specifier as key type.
4668         (Output_section::find_merge_section): Ditto.
4669         (Output_section::find_relaxed_input_section): Ditto.
4670         * output.h (Input_section_specifier): Remove class.
4671         (Output_section::Output_section_data_by_input_section_map): Change
4672         key type to Const_section_id.
4673         (Output_section::Output_relaxed_input_section_by_input_section_map):
4674         Ditto.
4675         (Output_section::Relaxation_map): Change key type to Section_id.
4676
4677 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4678
4679         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4680         (class Arm_v4bx_stub): New class.
4681         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4682         (Stub_factory::make_arm_v4bx_stub): New method.
4683         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4684         (Stub_table::empty): Handle v4bx stubs.
4685         (Stub_table::add_arm_v4bx_stub): New method.
4686         (Stub_table::find_arm_v4bx_stub): New method.
4687         (Arm_relocate_functions::v4bx): New method.
4688         (Target_arm::fix_v4bx): New method.
4689         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4690         (Stub_table::relocate_stubs): Likewise.
4691         (Stub_table::do_write): Likewise.
4692         (Stub_table::update_data_size_and_addralign): Likewise.
4693         (Stub_table::finalize_stubs):  Likewise.
4694         (Target_arm::Scan::local): Likewise.
4695         (Target_arm::Scan::global): Likewise.
4696         (Target_arm::do_finalize_sections): Likewise.
4697         (Target_arm::Relocate::relocate): Likewise.
4698         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4699         Likewise.
4700         (Target_arm::scan_reloc_for_stub): Likewise.
4701         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4702
4703 2010-01-19  Ian Lance Taylor  <iant@google.com>
4704
4705         * output.cc (Output_section_headers::do_sized_write): Write large
4706         segment count to sh_info field.
4707         (Output_file_header::do_sized_write): For large segment count,
4708         write PN_XNUM to e_phnum field.
4709
4710 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4711
4712         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4713         (Arm_relocate_functions::thm_jump8): New function.
4714         (Arm_relocate_functions::thm_jump11): New function.
4715         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4716         R_ARM_THM_JUMP11.
4717         (Target_arm::Scan::global): Likewise.
4718         (Target_arm::Relocate::relocate): Likewise.
4719         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4720         Likewise.
4721
4722 2010-01-14  Doug Kwan  <dougkwan@google.com>
4723
4724         * arm.cc (map, utility): Include headers.
4725         (Target_arm::apply_cortex_a8_workaround): New method.
4726         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4727         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4728         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4729         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4730         the --[no-]fix-cortex-a8 command line options.
4731         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4732         (Target_arm::relocate_stub): Use addend in instruction template.
4733         * options.h (DEFINE_bool): Set the user-set flag.
4734         (General_options): Add --[no-]-fix-cortex options.
4735         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4736         : Update fast look-up map after conversion.
4737
4738 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4739
4740         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4741         in the first pass of do_layout.
4742
4743 2010-01-13  Doug Kwan  <dougkwan@google.com>
4744
4745         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4746         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4747         apparent compiler problem of not folding static constant integral
4748         data members of elfcpp::Elf_sizes<32>.
4749
4750 2010-01-13  Doug Kwan  <dougkwan@google.com>
4751
4752         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4753         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4754         Arm_relobj::scan_section_for_cortex_a8_erratum,
4755         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4756         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4757         sections to scan for relocation stubs into a new method
4758         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4759         relocation and Cortex-A8 stub scanning.
4760         (Target_arm::do_relax): Force stubs to be after stubbed sections
4761         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4762         the beginning of a new relaxation pass.  Update a comment.
4763         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4764
4765 2010-01-12  Ian Lance Taylor  <iant@google.com>
4766
4767         * target-reloc.h (visibility_error): New inline function.
4768         (relocate_section): Call visibility_error.
4769         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4770         (MOSTLYCLEANFILES): Likewise.
4771         (protected_4_pic.o, protected_3.err): New targets.
4772         * testsuite/protected_4.cc: New file.
4773
4774 2010-01-12  Doug Kwan  <dougkwan@google.com>
4775
4776         * arm.cc (Cortex_a8_reloc): New class.
4777         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4778         and cortex_a8_relocs_info_.
4779         (Target_arm::fix_cortex_a8): New method definition.
4780         (Target_arm::Cortex_a8_relocs_info): New type.
4781         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4782         New data member declarations.
4783         (Target_arm::scan_reloc_for_stub): Record information about
4784         relocations for THUMB branches that might be exempted from the
4785         Cortex-A8 workaround.
4786         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4787         at the beginning of a relaxation pass.
4788
4789 2010-01-12  Doug Kwan  <dougkwan@google.com>
4790
4791         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4792         (Arm_relobj::Mapping_symbol_position,
4793          Arm_reloj::Mapping_symbol_position_less,
4794          Arm_relobj::Mapping_symbols_info): New types.
4795         (Target_arm::is_mapping_symbol_name): New method definition.
4796         (Arm_relobj::do_count_local_symbols): Save information about mapping
4797         symbols.
4798
4799 2010-01-11  Doug Kwan  <dougkwan@google.com>
4800
4801         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4802         Arm_relocate_functions::thumb32_branch_upper,
4803         Arm_relocate_functions::thumb32_branch_lower,
4804         Arm_relocate_functions::thumb32_cond_branch_offset,
4805         Arm_relocate_functions::thumb32_cond_branch_upper,
4806         Arm_relocate_functions::thumb32_cond_branch_lower,
4807         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4808         branch offset encoding.
4809         (Arm_relocate_functions::thumb_branch_common): Use new branch
4810         offset encoding methods to avoid code duplication.
4811         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4812         (Stub_addend_reader::operator()): Use new branch encoding method
4813         to avoid code duplication.
4814
4815 2010-01-11  Doug Kwan  <dougkwan@google.com>
4816
4817         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4818         (Target_arm::do_finalize_sections): Define special EXIDX section
4819         symbols only if referenced.
4820         * gc.h (Garbage_collection::add_reference): New method.
4821         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4822         code duplication.
4823
4824 2010-01-11  Ian Lance Taylor  <iant@google.com>
4825
4826         * script.cc (Version_script_info::build_expression_list_lookup):
4827         Change complaing about duplicate wildcard match from error to
4828         warning.
4829
4830         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4831         of 2009-12-30.
4832         (Version_script_info::Version_script_info): Initialize globs_,
4833         default_version_, default_is_global_, and exact_.  Don't
4834         initialize globals_ or locals_.
4835         (Version_script_info::build_lookup_tables): Build local symbols
4836         first.
4837         (Version_script_info::unquote): New function.
4838         (Version_script_info::add_exact_match): New function.
4839         (Version_script_info::build_expression_list_lookup): Remove lookup
4840         parameter.  Add is_global parameter.  Change all callers.  Handle
4841         wildcard pattern specially.  Unquote pattern.  Call
4842         add_exact_match.
4843         (Version_script_info::get_name_to_match): New function.
4844         (Version_script_info::get_symbol_version): New function.
4845         (Version_script_info::get_symbol_version_helper): Remove.
4846         (Version_script_info::check_unmatched_names): Call unquote.
4847         * script.h (class Version_script_info): Change get_symbol_version
4848         to be non-inline and add is_global parameter; change all callers.
4849         Rewrite symbol_is_local.  Update declarations.  Define struct
4850         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4851         Remove globals_ and locals_ members.  Add exact_, globs_,
4852         default_version_, is_global_.
4853         (Version_script_info::Glob): Remove pattern, add expression and
4854         is_global.  Update constructor.  Change all callers.
4855         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4856         default version.
4857         (Versions::symbol_section_contents): If a symbol is undefined, or
4858         defined in a dynamic object, set the version index to
4859         VER_NDX_LOCAL.
4860         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4861         symbol_is_local.
4862         (Symbol_table::add_from_pluginobj): Likewise.
4863         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4864
4865 2010-01-11  Doug Kwan  <dougkwan@google.com>
4866
4867         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4868         (incremental_dump_LDADD): Add linking option for libintl.
4869         * Makefile.in: Regenerate.
4870
4871 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4872
4873         PR gold/11144
4874         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4875         instead of -Ds.
4876         * testsuite/Makefile.in: Regenerated.
4877
4878 2010-01-10  Doug Kwan  <dougkwan@google.com>
4879
4880         * options.h (DEFINE_var): Use parentheses around argument varname__
4881         in macro body to avoid any unintended subsequent substitutions.
4882
4883 2010-01-10  Ian Lance Taylor  <iant@google.com>
4884
4885         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4886         candidates before doing symbol resolution.
4887
4888         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4889         ODR candidates if only one is weak.
4890
4891 2010-01-08  Ian Lance Taylor  <iant@google.com>
4892
4893         * script.cc (Version_script_info::build_expression_list_lookup):
4894         Don't warn about ambiguous version, just record the ambiguity.
4895         (Version_script_info::get_symbol_version_helper): Give error if
4896         version is ambiguous.
4897
4898 2010-01-08  Doug Kwan  <dougkwan@google.com>
4899
4900         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4901           prev_data_size_ and prev_addralign_.  Remove initializer for
4902           deleted data member has_been_changed_.
4903           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4904           to determine if the table is empty.
4905           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4906           Remove.
4907           (Stub_table::add_reloc_stub): Define method in class definition
4908           instead of just declaring it there.
4909           (Stub_table::add_cortex_a8_stub): New method definition.
4910           (Stub_table::update_data_size_and_addralign): Ditto.
4911           (Stub_table::finalize_stubs): Ditto.
4912           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4913           (Stub_table::do_addralign_): Return address alignment in the
4914           (Stub_table::do_reset_address_and_file_offset): Define method in
4915           class definition instead of declaring it there.  Set current data
4916           size to be the data size of the previous pass.
4917           (Stub_table::set_final_data_size): Use current data size as the
4918           final data size.
4919           (Stub_table::relocate_stub): Change parameter type of stub from
4920           Reloc_stub pointer to Stub pointer.
4921           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4922           (Stub_table::Cortex_a8_stub_list): New typedef.
4923           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4924            Stub_table::prev_addralign_): New data member.
4925           (Arm_relobj::Arm_relobj): Initialize data member
4926           section_has_cortex_a8_workaround_.
4927           (Arm_relobj::section_has_cortex_a8_workaround,
4928            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4929            definitions.
4930           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4931           declarations.
4932           (Target_arm::relocate_stub): Change parameter type of stub from
4933           Reloc_stub pointer to Stub pointer.
4934           (Insn_template::size, Insn_template::alignment): Handle
4935           THUMB16_SPECIAL_TYPE.
4936           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4937            Stub_table::update_data_size_and_addralign,
4938            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4939           definitions.
4940           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4941           (Stub_table::do_write): Ditto.
4942           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4943
4944 2010-01-08  Ian Lance Taylor  <iant@google.com>
4945
4946         PR 11108
4947         * symtab.h (class Symbol): Remove fields is_target_special_ and
4948         has_plt_offset_.  Add field is_defined_in_discarded_section_.
4949         (Symbol::is_defined_in_discarded_section): New function.
4950         (Symbol::set_is_defined_in_discarded_section): New function.
4951         (Symbol::has_plt_offset): Rewrite.
4952         (Symbol::set_plt_offset): Verify that new offset is not -1U.
4953         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
4954         Don't initialize is_target_special_ or has_plt_offset_.
4955         Initialize is_defined_in_discarded_section_.
4956         (Symbol_table::add_from_relobj): If appropriate, set
4957         is_defined_in_discarded_section.
4958         * resolve.cc (Symbol::override_base_with_special): Don't test
4959         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
4960         * target-reloc.h (relocate_section): Do special handling for
4961         symbols defined in discarded sections for global symbols as well
4962         as local symbols.
4963
4964 2010-01-08  Ian Lance Taylor  <iant@google.com>
4965
4966         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
4967         the SHT_SYMTAB case.
4968
4969 2010-01-08  Ian Lance Taylor  <iant@google.com>
4970
4971         * object.cc (Sized_relobj::do_layout): Don't get confused if
4972         layout_eh_frame returns NULL.
4973
4974 2010-01-08  Ian Lance Taylor  <iant@google.com>
4975
4976         PR 11084
4977         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
4978         dynamic symbol table, use the normal symbol table.
4979         (Sized_dynobj::do_read_symbols): Remove assertion about type of
4980         symbol table.
4981
4982 2010-01-08  Ian Lance Taylor  <iant@google.com>
4983
4984         PR 11072
4985         * layout.cc (Layout::include_section): Remove .gnu_debuglink
4986         sections.
4987
4988 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
4989
4990         * version.cc (print_version): Change to "Copyright 2010".
4991
4992 2010-01-08  Ian Lance Taylor  <iant@google.com>
4993
4994         PR 10287
4995         PR 11063
4996         * i386.cc (class Target_i386): Change return type of plt_section
4997         to be non-const.
4998         (class Output_data_plt_i386): Add tls_desc_rel_ field.
4999         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5000         tls_desc_rel_ field.
5001         (Output_data_plt_i386::rel_tls_desc): New function.
5002         (Target_i386::rel_tls_desc_section): New function.
5003         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5004         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5005         R_386_TLS_DESC reloc in rel_tls_desc_section.
5006         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5007         Define struct Tlsdesc_info.
5008         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5009         (Target_x86_64::do_reloc_symbol_index): New function.
5010         (Target_x86_64::add_tlsdesc_info): New function.
5011         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5012         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5013         tlsdesc_rel_ field.
5014         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5015         all callers.
5016         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5017         (Target_x86_64::rela_tlsdesc_section): New function.
5018         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5019         handling.
5020         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5021         (Target_x86_64::do_reloc_addend): New function.
5022         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5023         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5024         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5025         (Output_reloc::type): New function.
5026         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5027         (Output_reloc::is_target_specific): New function.
5028         (Output_reloc::target_arg): New function.
5029         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5030         absolute relocs and target specific relocs.
5031         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5032         add_target_specific.
5033         (class Output_data_reloc) [SHT_RELA]: Likewise.
5034         * output.cc (Output_reloc::Output_reloc): Add four new versions
5035         for absolute relocs and target specific relocs.
5036         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5037         (Output_reloc::get_symbol_index): Likewise.
5038         (Output_reloc::local_section_offset): Check that local_sym_index_
5039         is not TARGET_CODE or 0.
5040         (Output_reloc::symbol_value): Likewise.
5041         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5042         reloc.
5043         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5044         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5045         functions.
5046         * layout.cc (add_target_dynamic_tags): Use output section for
5047         DT_PLTRELSZ and DT_JMPREL.
5048
5049 2010-01-07  Ian Lance Taylor  <iant@google.com>
5050
5051         PR 11061
5052         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5053         function.
5054         (class Output_data_reloc_generic): Define.
5055         (class Output_data_reloc_base): Change base class to
5056         Output_data_reloc_generic.  Change add() method to call
5057         bump_relative_reloc_count for a relative reloc.  Remove
5058         sort_relocs_ field.
5059         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5060         to sort_relocs().
5061         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5062         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5063         appropriate.
5064         * layout.h (class Layout): Update declaration.
5065
5066 2010-01-07  Ian Lance Taylor  <iant@google.com>
5067
5068         * output.h (class Output_data): Add const version of
5069         output_section and do_output_section.
5070         (class Output_section_data): Add const version of
5071         do_output_section.
5072         (class Output_section): Likewise.
5073         * layout.cc (Layout::add_target_dynamic_tags): New function.
5074         * layout.h (class Layout): Update declarations.
5075         * arm.cc (Target_arm::do_finalize_sections): Use
5076         add_target_dynamic_tags.
5077         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5078         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5079         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5080         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5081
5082 2010-01-07  Ian Lance Taylor  <iant@google.com>
5083
5084         PR 11042
5085         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5086         object as needed.
5087
5088 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5089             Ian Lance Taylor  <iant@google.com>
5090
5091         PR 11019
5092         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5093         Xindex::read_symtab_xindex.
5094
5095 2010-01-07  Doug Kwan  <dougkwan@google.com>
5096
5097         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5098         (Insn_template::thumb16_bcond_insn): New method declaration.
5099         (Insn_template): Fix spelling.
5100         (Stub::thumb16_special): New method declaration.
5101         (Stub::do_write): Define virtual method which was previously pure
5102         virtual.
5103         (Stub::do_thumb16_special): New method declaration.
5104         (Stub::do_fixed_endian_write): New template member.
5105         (Reloc_stub::do_write): Remove.
5106         (Reloc_stub::do_fixed_endian_write): Remove.
5107         (Cortex_a8_stub): New class definition.
5108         (Stub_factory::make_cortex_a8_stub): New method definition.
5109         (Stub_factory::Stub_factory): Add missing static storage class
5110         qualifier for elf32_arm_stub_a8_veneer_blx.
5111
5112 2010-01-07  Ian Lance Taylor  <iant@google.com>
5113
5114         PR 10980
5115         * options.h (class General_options): Add --warn-unresolved-symbols
5116         and --error-unresolved-symbols.
5117         * errors.cc (Errors::undefined_symbol): Implement
5118         --warn-unresolved-symbols.
5119
5120         * options.h (class General_options): Add -z text and -z textoff.
5121         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5122
5123 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5124
5125         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5126         (Garbage_collection::cident_sections): New function.
5127         (Garbage_collection::add_cident_section): New function.
5128         (Garbage_collection::cident_sections_): New member.
5129         (gc_process_relocs): Add references to sections whose names are C
5130         identifiers.
5131         * gold.h (cident_section_start_prefix): New constant.
5132         (cident_section_stop_prefix): New constant.
5133         (is_cident): New function.
5134         * layout.cc (Layout::define_section_symbols): Replace string constants
5135         with the newly defined constants.
5136         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5137         C identifiers.
5138         * testsuite/Makefile.am: Add gc_orphan_section_test.
5139         * testsuite/Makefile.in: Regenerate.
5140         * testsuite/gc_orphan_section_test.cc: New file.
5141         * testsuite/gc_orphan_section_test.sh: New file.
5142
5143 2010-01-06  Ian Lance Taylor  <iant@google.com>
5144
5145         PR 10980
5146         * options.h (class General_options): Add --warn-shared-textrel.
5147         * layout.cc (Layout::finish_dynamic_section): Implement
5148         --warn-shared-textrel.
5149
5150         PR 10980
5151         * options.h (class General_options): Add --warn-multiple-gp.
5152
5153 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5154
5155         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5156         $(THREADSLIB) and $(LIBDL).
5157         * Makefile.in: Rebuild.
5158
5159 2010-01-06  Ian Lance Taylor  <iant@google.com>
5160
5161         PR 10980
5162         * options.cc (General_options::parse_section_start): New function.
5163         (General_options::section_start): New function.
5164         (General_options::General_options): Initialize all members.
5165         * options.h: Include <map>
5166         (class General_options): Add --section-start.  Add section_starts_
5167         member.
5168         * layout.cc (Layout::attach_allocated_section_to_segment): If
5169         --section-start was used, set the address of the segment.  Remove
5170         local sort_sections.
5171         (Layout::relaxation_loop_body): If the address of the load segment
5172         has been set by --section-start, don't use it.
5173         * output.h (Output_segment::update_flags_for_output_section): New
5174         function.
5175         * output.cc (Output_segment::add_output_section): Call
5176         update_flags_for_output_section.
5177
5178 2010-01-05  Ian Lance Taylor  <iant@google.com>
5179
5180         PR 10980
5181         * options.h (class General_options): Add --undefined-version.
5182         * script.cc (struct Version_expression): Add was_matched_by_symbol
5183         field.
5184         (Version_script_info::matched_symbol): New function.
5185         (Version_script_info::get_symbol_version_helper): Call
5186         matched_symbol.
5187         (Version_script_info::check_unmatched_names): New function.
5188         * script.h (class Version_script_info): Update declarations.
5189         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5190
5191         * options.h (class General_options): Use DEFINE_bool_alias for
5192         allow_multiple_definition.
5193         * resolve.cc (Symbol_table::should_override): Don't test
5194         allow_multiple_definition.
5195
5196         PR 10980
5197         * options.h (class General_options): Add --cref.
5198         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5199         until after printing cref table.
5200         * cref.cc: Include "symtab.h".
5201         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5202         (Cref_table_compare::operator()): New function.
5203         (Cref_inputs::gather_cref): New function.
5204         (filecol): New static const.
5205         (Cref_inputs::print_cref): New function.
5206         (Cref::print_cref): New function.
5207         * cref.h: Include <cstdio>.
5208         (class Cref): Update declarations.
5209         * mapfile.h (Mapfile::file): New function.
5210         * object.h (class Object): Define Symbols.  Declare virtual
5211         do_get_global_symbols.
5212         (Object::get_global_symbols): New function.
5213         * object.cc (Input_objects::add_object): Pass object to cref_ if
5214         --cref.
5215         (Input_objects::archive_start): Likewise.
5216         (Input_objects::archive_stop): Likewise.
5217         (Input_objects::print_cref): New function.
5218         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5219         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5220         --cref.
5221         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5222         function.
5223         * plugin.h (class Sized_pluginobj): Update declarations.
5224
5225 2010-01-05  Ian Lance Taylor  <iant@google.com>
5226
5227         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5228         to is_default_version.  Rename insdef to insdefault.
5229         (Symbol_table::add_from_relobj): Rename def to is_default_version
5230         and local to is_forced_local.
5231         (Symbol_table::add_from_pluginobj): Likewise.
5232         (Symbol_table::add_from_dynobj): Likewise.
5233         (Symbol_table::define_special_symbol): Rename insdef to
5234         insdefault.
5235
5236 2010-01-04  Ian Lance Taylor  <iant@google.com>
5237
5238         PR 10980
5239         * options.h (class General_options): Add
5240         --allow-multiple-definition and -z muldefs.
5241         * resolve.cc (Symbol_table::should_override): Don't warn about a
5242         multiple symbol definition if --allow-multiple-definition or -z
5243         muldefs.
5244
5245         PR 10980
5246         * options.h (class General_options): Add --add-needed and
5247         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5248         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5249         error if --copy-dt-needed-entries aka --add-needed is used and
5250         would cause a change in behaviour.
5251
5252         PR 10980
5253         * options.h (class General_options): Add -G as a short version of
5254         --shared.  Add no-op options -assert, -g, and -i.
5255
5256 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5257
5258         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5259         check for .text or .gnu.linkonce.t sections.
5260         * icf.cc (Icf::find_identical_sections): Ditto.
5261         Change the detection for mangled function name within the section
5262         name.
5263         * icf.h (is_section_foldable_candidate): New function.
5264
5265 2009-12-30  Ian Lance Taylor  <iant@google.com>
5266
5267         PR 10980
5268         * options.h (class General_options): Permit two dashes with
5269         --retain-symbols-file.
5270
5271 2009-12-30  Ian Lance Taylor  <iant@google.com>
5272
5273         PR 10979
5274         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5275         don't put the file header and segment headers in the text
5276         segment.
5277
5278         PR 10979
5279         * common.cc (Sort_commons::operator()): Stabilize sort when both
5280         entries are NULL.
5281         (Symbol_table::do_allocate_commons_list): When allocating common
5282         symbols, skip a symbol which is no longer common.
5283         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5284         an object before checking its type.
5285         * testsuite/common_test_2.c: New file.
5286         * testsuite/common_test_3.c: New file.
5287         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5288         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5289         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5290         (common_test_2_pic.o, common_test_2.so): New targets.
5291         (common_test_3_pic.o, common_test_3.so): New targets.
5292         * testsuite/Makefile.in: Rebuild.
5293
5294         PR 10979
5295         * script.cc (read_input_script): If we see a new SECTIONS clause,
5296         and we have added an input section, give an error.
5297         * layout.h (class Layout): Add have_added_input_section function.
5298         Add have_added_input_section_ field.
5299         * layout.cc (Layout::Layout): Initialize
5300         have_added_input_section_.
5301         (Layout::layout): Set have_added_input_section_.
5302         (Layout::layout_eh_frame): Likewise.
5303
5304 2009-12-30  Ian Lance Taylor  <iant@google.com>
5305
5306         PR 10931
5307         * options.h (class General_options): Add --sort-common option.
5308         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5309         * common.cc (Sort_common): Add sort_order parameter to
5310         constructor.  Add sort_order_ field.
5311         (Sort_commons::operator): Check sort_order_.
5312         (Symbol_table::allocate_commons): Determine the sort order.
5313         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5314         Change all callers.
5315         (Symbol_table::do_allocate_commons_list): Likewise.
5316
5317 2009-12-30  Ian Lance Taylor  <iant@google.com>
5318
5319         PR 10916
5320         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5321         symbols from this object, don't change the visibility of an
5322         undefined symbol.
5323         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5324
5325 2009-12-30  Ian Lance Taylor  <iant@google.com>
5326
5327         PR 10861
5328         * script.h (class Version_script_info): Define Language enum.
5329         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5330         new fields globals_, locals_, and is_finalized_.
5331         * script.cc: Various formatting fixes.
5332         (class Parser_closure): Change language_stack_ from a vector of
5333         std::string to one of Version_script_info::Language.  Adjust all
5334         uses accordingly.
5335         (class Lazy_demangler): Remove.
5336         (struct Version_expression): Change language from std::string to
5337         Version_script_info::Language.
5338         (Version_script_info::Version_script_info): New function.
5339         (Version_script_info::~Version_script_info): Don't call clear.
5340         (Version_script_info::finalize): New function.
5341         (Version_script_info::build_lookup_tables): New function.
5342         (Version_script_info::build_expression_list_lookup): New
5343         function.
5344         (Version_script_info::get_symbol_version_helper): Rewrite to use
5345         lookup tables.
5346         (Version_script_info::print_expression_list): Adjust to use
5347         Version_script_info::Language.
5348         (script_push_lex_into_version_mode): Check that the version script
5349         has not been finalized.
5350         (version_script_push_lang): Change language string to
5351         Version_script_info::Language.
5352         * options.cc (Command_line::version_script): New function.
5353         * options.h (class General_options): Add finalize_dynamic_list
5354         function.  Change version_script from declaration to definition.
5355         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5356         * testsuite/version_script.map: Remove duplicate def of foo.
5357         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5358         version_script.map.
5359         * testsuite/Makefile.in: Rebuild.
5360
5361 2009-12-30  Ian Lance Taylor  <iant@google.com>
5362
5363         PR 10843
5364         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5365         if the input symbol index is 0, make the output symbol index 0.
5366
5367 2009-12-30  Ian Lance Taylor  <iant@google.com>
5368
5369         PR 10670
5370         * options.h (class General_options): Add -x/--discard-all.
5371         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5372         --discard-all.  If the local symbol needs a dynamic entry, check
5373         that before handling --discard-locals.
5374
5375 2009-12-30  Ian Lance Taylor  <iant@google.com>
5376
5377         PR 10450
5378         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5379         flags to PF_R.
5380         (Output_segment::add_output_section): Don't change the flags if
5381         the type is PT_TLS.
5382
5383         PR 10450
5384         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5385         GNU hash table if they need a dynamic value.  Otherwise, don't add
5386         them if they are defined in a dynamic object or are forced local.
5387
5388 2009-12-29  Ian Lance Taylor  <iant@google.com>
5389
5390         PR 10450
5391         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5392         .gnu.hash table for a 32-bit target.
5393
5394         PR 10450
5395         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5396         regular and a dynamic object only needs a dynamic symbol table
5397         entry if it is externally visible.
5398
5399         PR 10450
5400         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5401         constructor.  Add global_offset_table_ field.
5402         (Target_i386::got_section): Set global_offset_table_.
5403         (Target_i386::do_finalize_sections): Set global_offset_table_
5404         size.
5405         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5406         in constructor.  Add global_offset_table_ field.
5407         (Target_x86_64::got_section): Set global_offset_table_.
5408         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5409         size.
5410
5411         * layout.cc (Layout::Layout): Initialize increase_relro_.
5412         (Layout::get_output_section): Add is_relro, is_last_relro, and
5413         is_first_non_relro parameters.  Change all callers.
5414         (Layout::choose_output_section): Likewise.
5415         (Layout::add_output_section_data): Likewise.
5416         (Layout::make_output_section): Likewise.
5417         (Layout::set_segment_offsets): Clear increase_relro when using a
5418         linker script.
5419         * layout.h (class Layout): Add increase_relro method.  Add
5420         increase_relro_ field.  Update declarations.
5421         * output.cc (Output_section::Output_section): Initialize
5422         is_last_relro_ and is_first_non_relro_.
5423         (Output_segment::add_output_section): Group relro sections is
5424         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5425         (Output_segment::maximum_alignment): Remove relro handling.
5426         (Output_segment::set_section_addresses): Add increase_relro
5427         parameter.  Change all callers.  Add initial alignment to align
5428         relro sections on separate page.  Remove old relro handling.
5429         (Output_segment::set_section_list_addresses): Remove in_relro
5430         parameter.  Change all callers.
5431         (Output_segment::set_offset): Add increase parameter.  Change all
5432         callers.  Remove old relro handling.
5433         * output.h (class Output_section): Add new methods: is_last_relro,
5434         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5435         Add is_last_relro_ and is_first_non_relro_ fields.
5436         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5437         Create separate .got.plt section.  Call increase_relro.
5438         * x86_64.cc (Target_x86_64::got_section): Likewise.
5439         * testsuite/relro_script_test.t: Add .got.plt.
5440
5441         PR 10450
5442         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5443         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5444         (Layout::finalize): Call set_dynamic_symbol_size.
5445         (Layout::set_dynamic_symbol_size): New function.
5446         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5447         set_dynamic_symbol_size.
5448
5449         PR 10450
5450         * output.h (class Output_section): Add is_entsize_zero_ field.
5451         * output.cc (Output_section::Output_section): Initialize
5452         is_entsize_zero_.
5453         (Output_section::set_entsize): If two different entsizes are
5454         requested, force it to zero.
5455         (Output_section::add_input_section): Set flags for .debug_str
5456         before updating section flags.  Set entsize.
5457         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5458         and SHF_STRING if all input sections have those flags.
5459
5460 2009-12-29   Rafael Espindola  <espindola@google.com>
5461
5462         * main.cc (main): Fix the sys time reporting.
5463         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5464         reporting.
5465
5466 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5467
5468         * options.cc (General_options::parse_version): Allow -v to exit
5469         without an error if there is nothing to link.
5470
5471 2009-12-29  Ian Lance Taylor  <iant@google.com>
5472
5473         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5474         using a version of gcc before 4.1.
5475         * configure: Rebuild.
5476
5477 2009-12-28  Chris Demetriou  <cgd@google.com>
5478
5479         * attributes.cc (Output_attributes_section_data::do_write): Use
5480         std::vector::front rather than std::vector::data.
5481
5482 2009-12-28  Ian Lance Taylor  <iant@google.com>
5483
5484         * symtab.h (class Symbol_table): Add enum Defined.
5485         * resolve.cc (Symbol_table::should_override): Add defined
5486         parameter.  Change all callers.  Test whether object is NULL
5487         before calling a method on it.
5488         (Symbol_table::report_resolve_problem): Add defined parameter.
5489         Change all callers.
5490         (Symbol_table::should_override_with_special): Likewise.
5491         * symtab.cc (Symbol_table::define_in_output_data): Add defined
5492         parameter.  Change all callers.
5493         (Symbol_table::do_define_in_output_data): Likewise.
5494         (Symbol_table::define_in_output_segment): Likewise.
5495         (Symbol_table::do_define_in_output_segment): Likewise.
5496         (Symbol_table::define_as_constant): Likewise.
5497         (Symbol_table::do_define_as_constant): Likewise.
5498         * script.h (class Symbol_assignment): Add is_defsym parameter to
5499         constructor; change all callers.
5500         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
5501         parameter.  Change all callers.  Add is_defsym_ field.
5502         (class Parser_closure): Add parsing_defsym parameter to
5503         constructor; change all callers.  Add parsing_defsym accessor
5504         function.  Add parsing_defsym_ field.
5505
5506 2009-12-28  Ian Lance Taylor  <iant@google.com>
5507
5508         * gold.cc (queue_middle_tasks): Fix formatting.
5509         * object.cc (Relobj::is_section_name_included): Likewise.
5510
5511 2009-12-23  Ian Lance Taylor  <iant@google.com>
5512
5513         * i386.cc (Target_i386::do_calls_non_split): Recognize
5514         -fsplit-stack prologue for a function with a static chain.
5515         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
5516         -fsplit-stack prologue when using %r11.
5517
5518 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
5519
5520         * options.cc (General_options::parse_version): Make -v continue and do
5521         the link like GNU ld does.
5522
5523 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
5524
5525         * Makefile.am (CCFILES): Add timer.cc.
5526         (HFILES): Add timer.h.
5527         * configure.ac: Check for sysconf and times.
5528         * main.cc: include timer.h.
5529         (main): Use Timer instead of get_run_time.
5530         * timer.cc: New.
5531         * timer.h: New.
5532         * workqueue.cc: include timer.h.
5533         (Workqueue::find_and_run_task):
5534         Report user, sys and wall time.
5535         * Makefile.in: Regenerate.
5536         * config.in: Regenerate.
5537         * configure: Regenerate.
5538
5539 2009-12-16  Doug Kwan  <dougkwan@google.com>
5540
5541         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
5542         sections.
5543         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
5544         relaxed input sections.
5545         * output.cc (Output_section::find_relaxed_input_section): Change
5546         return type to Output_relaxed_input_section pointer.  Adjust code
5547         for new type of relaxed_input_section_map_.
5548         * output.h (Output_section::find_relaxed_input_section): Change
5549         return type to Output_relaxed_input_section pointer.
5550         (Output_section::Output_relaxed_input_section_by_input_section_map):
5551         New type.
5552         (Output_section::relaxed_input_section_map_): Change type to
5553         Output_section::Output_relaxed_input_section_by_input_section_map.
5554         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
5555         input section.
5556
5557 2009-12-15  Ian Lance Taylor  <iant@google.com>
5558
5559         * layout.cc (Layout::create_shstrtab): Only write out after input
5560         sections if we are compressing debug sections.
5561
5562 2009-12-15  Ian Lance Taylor  <iant@google.com>
5563
5564         * archive.cc (Archive::add_symbols): Only look up a symbol without
5565         a version if there is, in fact, a version.
5566
5567 2009-12-14  Ian Lance Taylor  <iant@google.com>
5568
5569         Revert -Wshadow changes, all changes from:
5570         2009-12-11  Doug Kwan  <dougkwan@google.com>
5571         2009-12-11  Nick Clifton  <nickc@redhat.com>
5572         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
5573
5574 2009-12-11  Doug Kwan  <dougkwan@google.com>
5575
5576         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
5577         due to -Wshadow.
5578         * attributes.cc (Object_attribute::size): Ditto.
5579         (Attributes_section_data::size): Ditto.
5580         (Attributes_section_data::Attributes_section_data): Ditto.
5581         (Output_attributes_section_data::do_write): Ditto.
5582         * attributes.h (Object_attribute::set_type): Ditto.
5583         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
5584
5585 2009-12-11  Nick Clifton  <nickc@redhat.com>
5586
5587         * archive.cc: Fix shadowed variable warnings.
5588         * arm.cc: Likewise.
5589         * compressed_output.cc: Likewise.
5590         * compressed_output.h: Likewise.
5591         * configure: Likewise.
5592         * dwarf_reader.cc: Likewise.
5593         * dynobj.cc: Likewise.
5594         * dynobj.h: Likewise.
5595         * ehframe.cc: Likewise.
5596         * ehframe.h: Likewise.
5597         * errors.cc: Likewise.
5598         * expression.cc: Likewise.
5599         * fileread.cc: Likewise.
5600         * fileread.h: Likewise.
5601         * freebsd.h: Likewise.
5602         * i386.cc: Likewise.
5603         * icf.cc: Likewise.
5604         * incremental.h: Likewise.
5605         * layout.cc: Likewise.
5606         * layout.h: Likewise.
5607         * mapfile.cc: Likewise.
5608         * merge.cc: Likewise.
5609         * merge.h: Likewise.
5610         * object.cc: Likewise.
5611         * object.h: Likewise.
5612         * options.h: Likewise.
5613         * output.cc: Likewise.
5614         * output.h: Likewise.
5615         * parameters.cc: Likewise.
5616         * plugin.cc: Likewise.
5617         * powerpc.cc: Likewise.
5618         * reduced_debug_output.cc: Likewise.
5619         * reduced_debug_output.h: Likewise.
5620         * reloc.cc: Likewise.
5621         * reloc.h: Likewise.
5622         * resolve.cc: Likewise.
5623         * script-sections.cc: Likewise.
5624         * script.cc: Likewise.
5625         * script.h: Likewise.
5626         * sparc.cc: Likewise.
5627         * symtab.cc: Likewise.
5628         * symtab.h: Likewise.
5629         * target-select.cc: Likewise.
5630         * target-select.h: Likewise.
5631         * token.h: Likewise.
5632         * workqueue.cc: Likewise.
5633         * workqueue.h: Likewise.
5634         * x86_64.cc: Likewise.
5635
5636 2009-12-10  Doug Kwan  <dougkwan@google.com>
5637
5638         * arm.cc (attributes.h): New include.
5639         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5640         (Arm_relobj::~Arm_relobj): Delete object pointed by
5641         attributes_section_data_.
5642         (Arm_relobj::attributes_section_data): New method definition.
5643         (Arm_relobj::attributes_section_data_): New data member declaration.
5644         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5645         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5646         attributes_section_data_.
5647         (Arm_dynobj::attributes_section_data): New method definition.
5648         (Arm_dynobj::attributes_section_data_): New data member declaration.
5649         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5650         initialization value of may_use_blx_ to false.
5651         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5652         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5653         object attributes to compute results instead of hard-coding.
5654         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5655         Target_arm::get_secondary_compatible_arch,
5656         Target_arm::set_secondary_compatible_arch
5657         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5658         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5659         New method declarations.
5660         (Target_arm::get_aeabi_object_attribute): New method definition.
5661         (Target_arm::attributes_section_data_): New data member declaration.
5662         (read_arm_attributes_section): New template definition.
5663         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5664         (Arm_dynobj::do_read_symbols): Ditto.
5665         (Target_arm::do_finalize_sections): Merge attributes sections from
5666         input.  Check for BLX use after attributes section merging.
5667         Fix __exidx_start and __exidx_end visibility.  Create an
5668         .ARM.attributes section if necessary.
5669         (Target_arm::get_secondary_compatible_arch,
5670         Target_arm::set_secondary_compatible_arch,
5671         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5672         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5673         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5674         New method definitions.
5675
5676 2009-12-09  Ian Lance Taylor  <iant@google.com>
5677
5678         * plugin.cc (Plugin::load): Don't cast from void* to a function
5679         pointer.
5680
5681 2009-12-09  Ian Lance Taylor  <iant@google.com>
5682
5683         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5684         information fields.
5685
5686 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5687
5688         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5689         Replace two_file_shared_1.so with two_file_shared_2.so.
5690         * testsuite/Makefile.in: Regenerated.
5691
5692 2009-12-08  Doug Kwan  <dougkwan@google.com>
5693
5694         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5695         (HFILES): Add attributes.h and int_encoding.h.
5696         * Makefile.in: Regenerate.
5697         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5698         function definitions to int_encoding.cc
5699         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5700         prototypes to int_encoding.h
5701         * reduced_debug_output.cc (int_encoding.h): New include.
5702         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5703         function definitions to int_encoding.cc
5704         (insert_into_vector, read_from_pointer): Move template definitions to
5705         int_encoding.h
5706         * attributes.cc: New file.
5707         * attributes.h: New file.
5708         * int_encoding.cc: New file.
5709         * int_encoding.h: New file.
5710
5711 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5712
5713         PR gold/11055
5714         * incremental-dump.cc (dump_incremental_inputs): New.
5715         (main): Use dump_incremental_inputs.
5716
5717 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5718
5719         PR gold/10893
5720         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5721         checking elfcpp::STT_FUNC.
5722         (Target_i386::Relocate::relocate): Likewise.
5723         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5724
5725         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5726         symbols from shared libraries into normal FUNC symbols.
5727
5728         * symtab.h (Symbol): Add is_func and use it.
5729
5730 2009-12-05  Doug Kwan  <dougkwan@google.com>
5731
5732         * arm.cc (Target_arm::arm_info): Initialize new fields
5733         attributes_section and attributes_vendor.
5734         * i386.cc (Target_i386::i386_info): Same.
5735         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5736         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5737         fields attributes_section and attributes_vendor.
5738         * sparc.cc (Target_sparc::sparc_info): Same.
5739         * target.h (Target::attributes_section, Target::attributes_vendor,
5740         Target::is_attributes_section, Target::attribute_arg_type,
5741         Target::attributes_order): New method definitions.
5742         (Target::Target_info::attributes_section,
5743         Target::Target_info::attributes_vendor): New fields.
5744         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5745         virtual method definitions.
5746         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5747         attributes_section and attributes_vendor.
5748         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5749
5750 2009-12-05  Doug Kwan  <dougkwan@google.com>
5751
5752         * arm.cc: Update comments about interworking and stub generation.
5753         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5754         considered as non-PIC.
5755         (Arm_relocate_functions::base_abs): Fix formatting.
5756         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5757         of function to use GOT entry address instead of offset.
5758         (Target_arm::Scan::global): Issue an error if a symbol would need a
5759         PLT does not get one because it is untyped.  Remove code to create
5760         dynamic symbols for relative branches.
5761         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5762         takes unsigned integer instead of boolean.
5763
5764 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5765
5766         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5767         (two_file_test_LDADD): Likewise.
5768         (common_test_1_LDADD): Likewise.
5769         (exception_test_LDADD) Likewise.
5770         (weak_test_LDADD): Likewise.
5771         (many_sections_test_LDADD): Likewise.
5772         (initpri1_LDADD): Likewise.
5773         (script_test_1_LDADD): Likewise.
5774         (script_test_2_LDADD): Likewise.
5775         (justsyms_LDADD): Likewise.
5776         (binary_test_LDADD): Likewise.
5777         (large_LDADD): Likewise.
5778         * testsuite/Makefile.in: Regenerated.
5779
5780 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5781
5782         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5783         (Symbol_table::override_with_special): Likewise.
5784         (Symbol_table::add_from_object): Likewise.
5785
5786 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5787
5788         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5789         Don't set the data_offset twice.
5790
5791 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5792
5793         * testsuite/Makefile.in: Regenerate.
5794
5795 2009-12-03  Doug Kwan  <dougkwan@google.com>
5796
5797         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5798         (Target_arm::do_finalize_sections): Add parameter for symbol table
5799         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5800         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5801         parameter for symbol table pointer.
5802         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5803         an additional parameter for a pointer to symbol table.
5804         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5805         parameter for a symbol table pointer.
5806         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5807         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5808         Ditto.
5809         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5810         parameter for a symbol table pointer.
5811
5812 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5813
5814         * incremental.cc (Incremental_inputs_header)
5815         (Incremental_inputs_header_write, Incremental_inputs_entry)
5816         (Incremental_inputs_entry_write): Move ...
5817         * incremental.h (Incremental_inputs_header)
5818         (Incremental_inputs_header_write, Incremental_inputs_entry)
5819         (Incremental_inputs_entry_write): here.
5820
5821 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5822
5823         * incremental.cc (make_sized_incremental_binary): Set the target.
5824         Error if it is incompatible.
5825         * output.h (Output_file): Add filename method.
5826
5827 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5828
5829         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5830         from the get_* methods.
5831
5832 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5833
5834         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5835         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5836         Write 0 for the data_offset of scripts.
5837
5838 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5839
5840         * testsuite/Makefile.am: Add the incremental_test.sh test.
5841         * testsuite/incremental_test.sh: New.
5842         * testsuite/incremental_test_1.c: New.
5843         * testsuite/incremental_test_2.c: New.
5844
5845 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5846
5847        * incremental-dump.cc (main): Fix typos.
5848
5849 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5850
5851         PR gold/11025
5852         * incremental-dump.cc (main): Use llu to print 64 bit values.
5853
5854 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5855             H.J. Lu  <hongjiu.lu@intel.com>
5856
5857         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5858         $(LIBDL).
5859         (incremental_dump_LDADD): Likewise.
5860         * Makefile.in: Regenerated.
5861
5862 2009-11-25  Doug Kwan  <dougkwan@google.com>
5863
5864         Revert:
5865
5866         2009-11-25  Doug Kwan  <dougkwan@google.com>
5867
5868                 * arm.cc (Target_arm::Target_arm): Move method definition
5869                 outside of class definition.  Add code to handle
5870                 --target1-rel, --target1-abs and --target2= options.
5871                 (Target_arm::get_reloc_reloc_type): Change method to be
5872                 non-static and const.
5873                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5874                 New data member declaration.
5875                 (Target_arm::Scan::local, Target_arm::Scan::global,
5876                 Target_arm::Relocate::relocate,
5877                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5878                 Adjust call to Target_arm::get_real_reloc_type.
5879                 (Target_arm::get_real_reloc_type): Use command line options
5880                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5881                 * options.h (--target1-rel, --target1-abs, --target2): New
5882                 ARM-only options.
5883
5884 2009-11-25  Doug Kwan  <dougkwan@google.com>
5885
5886         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5887         class definition.  Add code to handle --target1-rel, --target1-abs
5888         and --target2= options.
5889         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5890         and const.
5891         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5892         member declaration.
5893         (Target_arm::Scan::local, Target_arm::Scan::global,
5894         Target_arm::Relocate::relocate,
5895         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5896         call to Target_arm::get_real_reloc_type.
5897         (Target_arm::get_real_reloc_type): Use command line options to
5898         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5899         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5900         options.
5901
5902 2009-11-25  Doug Kwan  <dougkwan@google.com>
5903
5904         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5905         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5906         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5907         formatting.
5908         (Arm_relocate_functions::thm_call): Replace body with a call to
5909         Arm_relocate_functions::thumb_branch_common.
5910         (Arm_relocate_functions::thm_jump24,
5911         Arm_relocate_functions::thm_xpc22): New method definitions.
5912         (Arm_relocate_functions::thumb_branch_common): New method definition.
5913         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5914         operator.
5915         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5916         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5917
5918 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5919
5920         * Makefile.am: Build incremental-dump
5921         * Makefile.in: Regenerate.
5922         * incremental-dump.cc: New.
5923         * incremental.cc (Incremental_inputs_header_data,
5924         Incremental_inputs_entry_data): Move to incremental.h
5925         * incremental.h: (Incremental_inputs_header_data,
5926         Incremental_inputs_entry_data): Move from incremental.cc
5927
5928 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5929
5930         * incremental.cc (Incremental_inputs_header,
5931         Incremental_inputs_header_write, Incremental_inputs_entry,
5932         Incremental_inputs_entry_write): Add a typedef with the data type.
5933
5934 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5935
5936         * incremental.cc (Incremental_inputs_header,
5937         Incremental_inputs_header_write, Incremental_inputs_entry,
5938         Incremental_inputs_entry_write): Update comment about which
5939         type has the filed descriptions.
5940
5941 2009-11-15  Doug Kwan  <dougkwan@google.com>
5942
5943         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5944         (Arm_relocate_functions::arm_branch_common): Change method defintion
5945         in class definition to a method declaration and update list of formal
5946         parameters.
5947         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
5948         Arm_relocation_functions::jump24): Adjust call to
5949         Arm_relocate_functions::arm_branch_common.  Update list of formal
5950         parameters.
5951         (Arm_relocate_functions::xpc25): New method definition.
5952         (Arm_relocate_functions::arm_branch_common): Move method defintion
5953         out from class definition.  Use stubs for mode-switching and extending
5954         branch ranges.
5955         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
5956         specially.  Change code to enable use of stubs in ARM branches.
5957
5958 2009-11-10  Doug Kwan  <dougkwan@google.com>
5959
5960         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5961         in method declaration.
5962         (Target_arm::relocate_stub): New method declaration.
5963         (Target_arm::default_target): Change to return a pointer instead of
5964         a const reference.
5965         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
5966         Target_arm::default_target.
5967         (Arm_Relobj::do_relocate_sections): Remove options paramater in
5968         method definition.
5969         (Target_arm::relocate_section): Adjust view.
5970         (Target_arm::relocate_stub): New method definition.
5971
5972 2009-11-10  Doug Kwan  <dougkwan@google.com>
5973
5974         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
5975         a format warning.
5976         * incremental.cc (open_incremental_binary): Initialized local
5977         variables to avoid warnings.
5978         * object.cc (make_elf_object): Ditto.
5979         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
5980         a format warning.
5981
5982 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
5983
5984         PR gold/10930
5985         * testsuite/plugin_test.c: Include "config.h".
5986
5987 2009-11-09  Doug Kwan  <dougkwan@google.com>
5988
5989         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
5990         (arm_symbol_value): Remove.
5991         (Arm_relocate_functions::arm_branch_common,
5992         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
5993         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
5994         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
5995         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
5996         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
5997         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
5998         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
5999         Arm_relocate_functions::thm_mobw_abs_nc,
6000         Arm_relocate_functions::thm_mov_abs,
6001         Arm_relocate_functions::movw_prel_nc,
6002         Arm_relocate_functions::thm_movt_abs,
6003         Arm_relocate_functions::movt_prel,
6004         Arm_relocate_functions::thm_movw_prel_nc,
6005         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6006         (Target_arm::Relocate::relocate): Only decompose address into two
6007         parts if relocation type uses the thumb-bit and pass the actual
6008         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6009         calls to methods in Arm_relocate_functions for this change.
6010
6011 2009-11-08  Ian Lance Taylor  <iant@google.com>
6012
6013         PR 10925
6014         * reloc.cc: Instantiate
6015         Sized_relobj::initialize_input_to_output_maps and
6016         Sized_relobj:free_input_to_output_maps.
6017
6018 2009-11-06  Ian Lance Taylor  <iant@google.com>
6019
6020         PR 10876
6021         * defstd.cc (in_segment): Set only_if_ref true for "end".
6022
6023 2009-11-06  Doug Kwan  <dougkwan@google.com>
6024
6025         * arm.cc (class Reloc_stub): Correct a comment.
6026         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6027         (Target_arm::scan_section_for_stubs): New method declaration.
6028         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6029         Change methods from private to protected.
6030         (Target_arm::do_may_relax): New method definition.
6031         (Target_arm::do_relax, Target_arm::group_sections,
6032         Target_arm::scan_reloc_for_stub,
6033         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6034         (Target_arm::arm_input_section_map_): New data member declaration.
6035         (Target_arm::scan_reloc_for_stub,
6036         Target_arm::scan_reloc_section_for_stubs,
6037         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6038         Target_arm::do_relax): New method definitions.
6039
6040 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6041
6042         * configure.ac: Check for (struct stat)::st_mtim
6043         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6044         * config.in: Regenerate.
6045         * configure: Regenerate.
6046
6047 2009-11-05  Ian Lance Taylor  <iant@google.com>
6048
6049         PR 10910
6050         * output.cc (Output_segment::add_output_section): Add missing
6051         return statement.
6052
6053 2009-11-04  Ian Lance Taylor  <iant@google.com>
6054
6055         PR 10880
6056         * object.h (class Object): Add is_needed and set_is_needed
6057         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6058         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6059         defined in a dynamic object and referenced by a regular object,
6060         set is_needed for the dynamic object.
6061         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6062         if the file is marked with as_needed and it is not needed.
6063
6064 2009-11-04  Ian Lance Taylor  <iant@google.com>
6065
6066         PR 10887
6067         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6068         tags if data is discarded by linker script.
6069         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6070         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6071         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6072         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6073
6074 2009-11-04  Ian Lance Taylor  <iant@google.com>
6075
6076         * layout.cc (Layout::get_output_section): Add is_interp and
6077         is_dynamic_linker_section parameters.  Change all callers.
6078         (Layout::choose_output_section): Likewise.
6079         (Layout::make_output_section): Likewise.
6080         (Layout::add_output_section_data): Add is_dynamic_linker_section
6081         parameter.  Change all callers.
6082         * layout.h (class Layout): Update declarations.
6083         * output.h (class Output_section): Add is_interp, set_is_interp,
6084         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6085         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6086         generate_code_fills_at_write_ to a bitfield.
6087         * output.cc (Output_section::Output_sections): Initialize new
6088         fields.
6089         (Output_segment::add_output_section): Add do_sort parameter.
6090         Change all callers.
6091
6092 2009-11-03  Ian Lance Taylor  <iant@google.com>
6093
6094         PR 10860
6095         * options.h (class General_options): Add --warn-common.
6096         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6097         merging two common symbols.
6098         (Symbol_table::should_override): Handle --warn-common when merging
6099         a common symbol with a defined symbol.  Use report_resolve_problem
6100         for multiple definitions.
6101         (Symbol_table::report_resolve_problem): New function.
6102         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6103
6104 2009-11-03  Doug Kwan  <dougkwan@google.com>
6105
6106         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6107         stub_factory_.
6108         (Target_arm::stub_factory): New method definition.
6109         (Target_arm::new_arm_input_section,
6110         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6111         Target_arm::reloc_uses_thumb_bit): New method declarations.
6112         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6113         New type definitions.
6114         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6115         member declarations.
6116         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6117         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6118         New method definitions.
6119
6120 2009-11-03  Ian Lance Taylor  <iant@google.com>
6121
6122         * options.h (class General_options): Add --warn_constructors.
6123
6124 2009-11-03  Ian Lance Taylor  <iant@google.com>
6125
6126         PR 10893
6127         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6128         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6129
6130 2009-11-03  Ian Lance Taylor  <iant@google.com>
6131
6132         PR 10895
6133         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6134         --msgid-bugs-address.
6135         (install-pdf): New target.
6136         (install-data_yes): Look up one directory to find mkinstalldirs.
6137
6138 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6139
6140         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6141         tree.
6142
6143 2009-10-30  Doug Kwan  <dougkwan@google.com>
6144
6145         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6146
6147 2009-10-30  Doug Kwan  <dougkwan@google.com>
6148
6149         * arm.cc (Stub_addend_reader): New struct template definition
6150         and partial specializations.
6151         (Stub_addend_reader::operator()): New method definition for a
6152         partially specialized template.
6153
6154 2009-10-30  Doug Kwan  <dougkwan@google.com>
6155
6156         * arm.cc (Arm_relobj::processor_specific_flags): New method
6157         definition.
6158         (Arm_relobj::do_read_symbols): New method declaration.
6159         (Arm_relobj::processor_specific_flags_): New data member declaration.
6160         (Arm_dynobj): New class definition.
6161         (Target_arm::do_finalize_sections): Add input_objects parameter.
6162         (Target_arm::do_adjust_elf_header): New method declaration.
6163         (Target_arm::are_eabi_versions_compatible,
6164         (Target_arm::merge_processor_specific_flags): New method declaration.
6165         (Target_arm::do_make_elf_object): New overloaded method definitions
6166         and declaration.
6167         (Arm_relobj::do_read_symbols): New method definition.
6168         (Arm_dynobj::do_read_symbols): Ditto.
6169         (Target_arm::do_finalize_sections): Add input_objects parameters.
6170         Merge processor-specific flags from all input objects.
6171         (Target_arm::are_eabi_versions_compatible,
6172         Target_arm::merge_processor_specific_flags,
6173         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6174         New method definitions.
6175         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6176         Input_objects pointer type parameter.
6177         * layout.cc (Layout::finalize): Pass input objects to target's.
6178         finalize_sections function.
6179         * output.cc (Output_file_header::do_sized_write): Set ELF file
6180         header's processor-specific flags.
6181         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6182         Input_objects pointer type parameter.
6183         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6184         * target.h (Input_objects): New forward class declaration.
6185         (Target::processor_specific_flags,
6186         Target::are_processor_specific_flags_sect): New method definitions.
6187         (Target::finalize_sections): Add input_objects parameter.
6188         (Target::Target): Initialize processor_specific_flags_ and
6189         are_processor_specific_flags_set_.
6190         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6191         parameter.
6192         (Target::set_processor_specific_flags): New method definition.
6193         (Target::processor_specific_flags_,
6194         Target::are_processor_specific_flags_set_): New data member
6195         declarations.
6196         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6197         Input_objects pointer type parameter.
6198
6199 2009-10-30  Doug Kwan  <dougkwan@google.com>
6200
6201         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6202
6203 2009-10-28  Ian Lance Taylor  <iant@google.com>
6204
6205         * object.h (class Relobj): Drop options parameter from
6206         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6207         do_scan_relocs, do_relocate.  Change all callers.
6208         (class Sized_relobj): Drop options parameters from
6209         do_gc_process_relocs, do_scan_relocs, do_relocate,
6210         do_relocate_sections, relocate_sections, emit_relocs_scan,
6211         emit_relocs_scan_reltype.  Change all callers.
6212         (struct Relocate_info): Remove options field and all references to
6213         it.
6214         * reloc.h (class Read_relocs): Remove options constructor
6215         parameter and options_ field.  Change all callers.
6216         (class Gc_process_relocs, class Scan_relocs): Likewise.
6217         (class Relocate_task): Likewise.
6218         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6219         all callers.
6220         (scan_relocatable_relocs): Likewise.
6221         * target.h (class Sized_target): Remove options parameter from
6222         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6223         all callers.
6224         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6225         callers.
6226         * arm.cc: Update functions to remove options parameters.
6227         * i386.cc: Likewise.
6228         * powerpc.cc: Likewise.
6229         * sparc.cc: Likewise.
6230         * x86_64.cc: Likewise.
6231         * testsuite/testfile.cc: Likewise.
6232
6233 2009-10-28  Doug Kwan  <dougkwan@google.com>
6234
6235         * arm.cc (Arm_relobj): New class definition.
6236         (Arm_relobj::scan_sections_for_stubs,
6237         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6238         New method definitions.
6239
6240 2009-10-28  Cary Coutant  <ccoutant@google.com>
6241
6242         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6243         (Plugin::cleanup_done_): New member.
6244         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6245         (Plugin_manager::cleanup_done_): Remove.
6246         (Plugin_manager::add_input_file): Edit error message.
6247         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6248         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6249
6250 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6251
6252         * fileread.cc: (File_read::View::~View): Use the new
6253         data_ownership_ filed.
6254         (File_read::~File_read): Dispose the new whole_file_view_.
6255         (File_read::open): Mmap the whole file if needed.
6256         (File_read::open): Use whole_file_view_ instead of contents_.
6257         (File_read::find_view): Use whole_file_view_ if applicable.
6258         (File_read::do_read): Use whole_file_view_ instead of contents_.
6259         (File_read::make_view): Use whole_file_view_ instead of contents_,
6260         update File_read::View::View call.
6261         (File_read::find_or_make_view): Update File_read::View::View
6262         call.
6263         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6264         remove contents_
6265         (File_read::View::Data_ownership): New enum.
6266         (File_read::View::View): Replace bool mapped_ with Data_ownership
6267         argument.
6268         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6269         (File_read::View::data_ownership_): New field.
6270         (File_read::contents_): Remove (replaced by whole_file_view_).
6271         (File_read::whole_file_view_): New field.
6272         * options.h (class General_options): Add --keep-files-mapped.
6273
6274 2009-10-27  Cary Coutant  <ccoutant@google.com>
6275
6276         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6277         * testsuite/Makefile.am (plugin_test_5): New test case.
6278         * testsuite/Makefile.in: Regenerate.
6279
6280 2009-10-25  Doug Kwan  <dougkwan@google.com>
6281
6282         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6283         from private to protected to allow access by child class.
6284         (Sized_relobj::do_relocate_sections): New method declaration.
6285         (Sized_relobj::relocate_sections): Virtualize.
6286         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6287         Sized_relobj::relocate_sections.  Instantiate template explicitly
6288         for different target sizes and endianity.
6289
6290 2009-10-24  Doug Kwan  <dougkwan@google.com>
6291
6292         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6293         (Arm_input_section::as_arm_input_section): New method.
6294         (Arm_output_section): New class definition.
6295         (Arm_output_section::create_stub_group,
6296         Arm_output_section::group_sections): New method definitions.
6297
6298 2009-10-22  Doug Kwan  <dougkwan@google.com>
6299
6300         * arm.cc (Arm_input_section): New class definition.
6301         (Arm_input_section::init, Arm_input_section:do_write,
6302         Arm_input_section::set_final_data_size,
6303         Arm_input_section::do_reset_address_and_file_offset): New method
6304         definitions.
6305
6306 2009-10-21  Doug Kwan  <dougkwan@google.com>
6307
6308         * arm.cc (Stub_table, Arm_input_section): New forward class
6309         declarations.
6310         (Stub_table): New class defintion.
6311         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6312         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6313         New method definition.
6314
6315 2009-10-21  Doug Kwan  <dougkwan@google.com>
6316
6317         * arm.cc: Update copyright comments.
6318         (Target_arm): New forward class template declaration.
6319         (Arm_address): New type.
6320         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6321         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6322         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6323         constants.
6324         (Insn_template): Same.
6325         (DEF_STUBS): New macro.
6326         (Stub_type): New enum type.
6327         (Stub_template): New class definition.
6328         (Stub): Same.
6329         (Reloc_stub): Same.
6330         (Stub_factory): Same.
6331         (Target_arm::Target_arm): Initialize may_use_blx_ and
6332         should_force_pic_veneer_.
6333         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6334         Target_arm::should_force_pic_veneer,
6335         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6336         Target_arm::using_thumb_only, Target_arm:;default_target): New
6337         method defintions.
6338         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6339         New data member declarations.
6340         (Insn_template::size, Insn_template::alignment): New method defintions.
6341         (Stub_template::Stub_template): New method definition.
6342         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6343         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6344         (Stub_factory::Stub_factory): New method definition.
6345         * gold.h (string_hash): New template.
6346         * output.h (Input_section_specifier::hash_value): Use
6347         gold::string_hash.
6348         (Input_section_specifier::string_hash): Remove.
6349         * stringpool.cc (Stringpool_template::string_hash): Use
6350         gold::string_hash.
6351
6352 2009-10-20  Doug Kwan  <dougkwan@google.com>
6353
6354         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6355         symbols of relaxed input sections.
6356         * output.h (Output_section::find_relaxed_input_section): Make
6357         method public.
6358
6359 2009-10-16  Doug Kwan  <dougkwan@google.com>
6360
6361         * dynobj.cc (Versions::Versions): Initialize version_script_.
6362         Only insert base version symbol definition for a shared object
6363         if version script defines any version versions.
6364         (Versions::define_base_version): New method definition.
6365         (Versions::add_def): Check that base version is not needed.
6366         (Versions::add_need): Define base version lazily.
6367         * dynobj.h (Versions::define_base_version): New method declaration.
6368         (Versions::needs_base_version_): New data member declaration.
6369         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6370         (check_DATA): Add no_version_test.stdout.
6371         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6372         New make rules.
6373         * testsuite/Makefile.in: Regenerate.
6374         * testsuite/no_version_test.c: New file.
6375         * testsuite/no_version_test.sh: Ditto.
6376
6377 2009-10-16  Doug Kwan  <dougkwan@google.com>
6378
6379         * expression.cc (class Segment_start_expression): New class definition.
6380         (Segment_start_expression::value): New method definition.
6381         (script_exp_function_segment_start): Return a new
6382         Segment_start_expression.
6383         * gold/script-c.h (script_saw_segment_start_expression): New function
6384         prototype.
6385         * script-sections.cc (Script_sections::Script_sections): Initialize
6386         SAW_SEGMENT_START_EXPRESSION_ to false.
6387         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6388         and -Tbbs options to specify section addresses if given in
6389         command line and no SEGMENT_START expression is seen in a script.
6390         * script-sections.h (Script_sections::saw_segment_start_expression,
6391         Script_sections::set_saw_segment_start_expression): New method
6392         definition.
6393         (Script_sections::saw_segment_start_expression_): New data member
6394         declaration.
6395         * script.cc (script_saw_segment_start_expression): New function.
6396         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6397         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6398         script_test_7.sh and script_test_8.sh.
6399         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6400         script_test_8.stdout.
6401         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6402         (script_test_6, script_test_6.stdout, script_test_7,
6403         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6404         * Makefile.in: Regenerate.
6405         * testsuite/script_test_6.sh: New file.
6406         * testsuite/script_test_6.t: Same.
6407         * testsuite/script_test_7.sh: Same.
6408         * testsuite/script_test_7.t: Same.
6409         * testsuite/script_test_8.sh: Same.
6410
6411 2009-10-16  Doug Kwan  <dougkwan@google.com>
6412
6413         * output.cc (Output_segment::set_section_list_address): Cast
6414         expressions to unsigned long long type to avoid format warnings.
6415
6416 2009-10-15  Ian Lance Taylor  <iant@google.com>
6417
6418         * script.cc (Script_options::add_symbol_assignment): Always add a
6419         dot assignment to script_sections_.
6420         * script-sections.cc (Script_sections::add_dot_assignment):
6421         Initialize if necessary.
6422
6423         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6424         program headers with no load segment if there is a linker script.
6425
6426         * layout.cc (Layout::set_segment_offsets): Align the file offset
6427         to the segment aligment for -N or -n with no load segment.
6428         * output.cc (Output_segment::add_output_section): Don't crash if
6429         the first section is a TLS section.
6430         (Output_segment::set_section_list_addresses): Print an error
6431         message if the address moves backward in a linker script.
6432         * script-sections.cc
6433         (Output_section_element_input::set_section_addresses): Don't
6434         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6435         (Orphan_output_section::set_section_addresses): Likewise.
6436
6437 2009-10-15  Doug Kwan  <dougkwan@google.com>
6438
6439         * layout.cc (Layout::finish_dynamic_section): Generate tags
6440         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6441         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6442         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6443
6444 2009-10-14  Ian Lance Taylor  <iant@google.com>
6445
6446         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6447         fields.
6448         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6449         data_shdr fields of relinfo.
6450         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6451         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6452         R_386_TLS_LDO_32, adjust based on section flags.
6453         (Target_i386::Relocate::fix_up_ldo): Remove.
6454
6455 2009-10-13  Ian Lance Taylor  <iant@google.com>
6456
6457         Add support for -pie.
6458         * options.h (class General_options): Add -pie and
6459         --pic-executable.
6460         (General_options::output_is_position_independent): Test -pie.
6461         (General_options::output_is_executable): Return true if not shared
6462         and not relocatable.
6463         (General_options::output_is_pie): Remove.
6464         * options.cc (General_options::finalize): Reject incompatible uses
6465         of -pie.
6466         * gold.cc (queue_middle_tasks): A -pie link is not static.
6467         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6468         * symtab.cc (Symbol::final_value_is_known): Return false if
6469         output_is_position_independent.
6470         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6471         output_is_position_independent.
6472         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6473         output_is_position_independent.
6474         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6475         output_is_position_independent.
6476         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6477         two_file_pie_test.
6478         (basic_pie_test.o, basic_pie_test): New targets.
6479         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
6480         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
6481         (two_file_pie_test): New target.
6482         * testsuite/Makefile.in: Rebuild.
6483         * README: Remove note saying that -pie is not supported.
6484
6485 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6486
6487         * options.h (class General_options): Add -init and -fini.
6488         * layout.cc (Layout::finish_dynamic_section): Emit
6489         given init and fini functions.
6490
6491 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
6492
6493         * gc.h (gc_process_relocs): Check if icf is enabled using new
6494         function.
6495         * gold.cc (queue_initial_tasks): Likewise.
6496         (queue_middle_tasks): Likewise.
6497         * object.cc (do_layout): Likewise.
6498         * symtab.cc (is_section_folded): Likewise.
6499         * main.cc (main): Likewise.
6500         * reloc.cc (Read_relocs::run): Likewise.
6501         (Sized_relobj::do_scan_relocs): Likewise.
6502         * icf.cc (is_function_ctor_or_dtor): New function.
6503         (Icf::find_identical_sections): Check if function is ctor or dtor when
6504         safe icf is chosen.
6505         * options.h (General_options::icf): Change option to be an enum.
6506         (Icf_status): New enum.
6507         (icf_enabled): New method.
6508         (icf_safe_folding): New method.
6509         (set_icf_status): New method.
6510         (icf_status_): New variable.
6511         * (options.cc) (General_options::finalize): Set icf_status_.
6512         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
6513         icf_test and icf_keep_unique_test to use the --icf enum flag.
6514         * testsuite/icf_safe_test.sh: New file.
6515         * testsuite/icf_safe_test.cc: New file.
6516
6517 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
6518
6519         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
6520         includes to gc.h and icf.h.
6521         * arm.cc: Include gc.h.
6522         * gold.cc: Likewise.
6523         * i386.cc: Likewise.
6524         * powerpc.cc: Likewise.
6525         * sparc.cc: Likewise.
6526         * x86_64.cc: Likewise.
6527         * gc.h: Include icf.h.
6528
6529 2009-10-11  Ian Lance Taylor  <iant@google.com>
6530
6531         * plugin.cc: Include "gold.h" before other header files.
6532
6533 2009-10-10  Chris Demetriou  <cgd@google.com>
6534
6535         * options.h (Input_file_argument::Input_file_type): New enum.
6536         (Input_file_argument::is_lib_): Replace with...
6537         (Input_file_argument::type_): New member.
6538         (Input_file_argument::Input_file_argument): Take Input_file_type
6539         'type' rather than boolean 'is_lib' as second argument.
6540         (Input_file_argument::is_lib): Use type_.
6541         (Input_file_argument::is_searched_file): New function.
6542         (Input_file_argument::may_need_search): Handle is_searched_file.
6543         * options.cc (General_options::parse_library): Support -l:filename.
6544         (General_options::parse_just_symbols): Update for Input_file_argument
6545         changes.
6546         (Command_line::process): Likewise.
6547         * archive.cc (Archive::get_file_and_offset): Likewise.
6548         * plugin.cc (Plugin_manager::release_input_file): Likewise.
6549         * script.cc (read_script_file, script_add_file): Likewise.
6550         * fileread.cc (Input_file::Input_file): Likewise.
6551         (Input_file::will_search_for): Handle is_searched_file.
6552         (Input_file::open): Likewise.
6553         * readsyms.cc (Read_symbols::get_name): Likewise.
6554         * testsuite/Makefile.am (searched_file_test): New test.
6555         * testsuite/Makefile.in: Regenerate.
6556         * testsuite/searched_file_test.cc: New file.
6557         * testsuite/searched_file_test_lib.cc: New file.
6558
6559 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6560             Ian Lance Taylor  <iant@google.com>
6561
6562         * descriptor.cc: Include <cstdio> and "binary-io.h".
6563         (Descriptors::open): Open the files in binary mode always.
6564         * script.cc (Lex::get_token): Treat \r as whitespace.
6565
6566 2009-10-09  Ian Lance Taylor  <iant@google.com>
6567
6568         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
6569
6570 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6571             Ian Lance Taylor  <iant@google.com>
6572
6573         * configure.ac: Check for readv function also.
6574         * fileread.cc (readv): Define if not HAVE_READV.
6575         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
6576         does not exist.
6577         * config.in: Regenerate.
6578         * configure: Regenerate.
6579
6580 2009-10-09  Doug Kwan  <dougkwan@google.com>
6581
6582         * layout.cc (Layout::make_output_section): Call target hook to make
6583         ordinary output section.
6584         (Layout::finalize): Adjust parameter list of call the
6585         Target::may_relax().
6586         * layout.h (class Layout::section_list): New method.
6587         * merge.h (Output_merge_base::entsize): Change visibility to public.
6588         (Output_merge_base::is_string, Output_merge_base::do_is_string):
6589         New methods.
6590         (Output_merge_string::do_is_string): New method.
6591         * object.cc (Sized_relobj::do_setup): renamed from
6592         Sized_relobj::set_up.
6593         * object.h (Sized_relobj::adjust_shndx,
6594         Sized_relobj::initializ_input_to_output_maps,
6595         Sized_relobj::free_input_to_output_maps): Change visibilities to
6596         protected.
6597         (Sized_relobj::setup): Virtualize.
6598         (Sized_relobj::do_setup): New method declaration.
6599         (Sized_relobj::invalidate_section_offset,
6600         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
6601         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
6602         * options.cc (parse_int): New function.
6603         * options.h (parse_int): New declaration.
6604         (DEFINE_int): New macro.
6605         (stub_group_size): New option.
6606         * output.cc (Output_section::Output_section): Initialize memebers
6607         merge_section_map_, merge_section_by_properties_map_,
6608         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
6609         (Output_section::add_input_section): Handled deferred code-fill
6610         generation and remove an old comment.
6611         (Output_section::add_relaxed_input_section): New method definition.
6612         (Output_section::add_merge_input_section): Use merge section by
6613         properties map to speed to search.  Update merge section maps
6614         as appropriate.
6615         (Output_section::build_relaxation_map): New method definition.
6616         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6617         Same.
6618         (Output_section::relax_input_section): Renamed to
6619         Output_section::convert_input_sections_to_relaxed_sections and change
6620         interface to take a vector of pointers to relaxed sections.
6621         (Output_section::find_merge_section,
6622         Output_section::find_relaxed_input_section): New method definitions.
6623         (Output_section::is_input_address_mapped,
6624         Output_section::output_offset, Output_section::output_address):
6625         Use output section data maps to speed up searching.
6626         (Output_section::find_starting_output_address): Add comments.
6627         (Output_section::do_write,
6628         Output_section::write_to_postprocessing_buffer): Do code-fill
6629         generation as appropriate.
6630         (Output_section::get_input_sections): Invalidate relaxed input section
6631         map.
6632         (Output_section::restore_states): Adjust type of checkpoint .
6633         Invalidate relaxed input section map.
6634         * output.h (Output_merge_base): New class declaration.
6635         (Input_section_specifier): New class defintion.
6636         (class Output_relaxed_input_section) Change base class to
6637         Output_section_data_build.
6638         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6639         base class initializer.
6640         (Output_section::add_relaxed_input_section): New method declaration.
6641         (Output_section::Input_section): Change visibility to protected.
6642         (Output_section::Input_section::relobj,
6643         Output_section::Input_section::shndx): Handle relaxed input sections.
6644         Output_section::input_sections) Change visibility to protected.  Also
6645         define overload to return a non-const pointer.
6646         (Output_section::Merge_section_properties): New class defintion.
6647         (Output_section::Merge_section_by_properties_map,
6648         Output_section::Output_section_data_by_input_section_map,
6649         Output_section::Relaxation_map): New types.
6650         (Output_section::relax_input_section): Rename method to
6651         Output_section::convert_input_sections_to_relaxed_sections and change
6652         interface to take a vector of relaxed section pointers.
6653         (Output_section::find_merge_section,
6654         Output_section::find_relaxed_input_section,
6655         Output_section::build_relaxation_map,
6656         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6657         New method declarations.
6658         (Output_section::merge_section_map_
6659         Output_section::merge_section_by_properties_map_,
6660         Output_section::relaxed_input_section_map_,
6661         Output_section::is_relaxed_input_section_map_valid_,
6662         Output_section::generate_code_fills_at_write_): New data members.
6663         * script-sections.cc
6664         (Output_section_element_input::set_section_addresses): Call
6665         current_data_size and addralign methods of relaxed input sections.
6666         (Orphan_output_section::set_section_addresses): Call current_data_size
6667         and addralign methods of relaxed input sections.
6668         * symtab.cc (Symbol_table::compute_final_value): Extract template
6669         from the body of Symbol_table::sized_finalize_symbol.
6670         (Symbol_table::sized_finalized_symbol): Call
6671         Symbol_table::compute_final_value.
6672         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6673         (Symbol_table::compute_final_value): New templated method declaration.
6674         * target.cc (Target::do_make_output_section): New method defintion.
6675         * target.h (Target::make_output_section): New method declaration.
6676         (Target::relax): Add more parameters for input objects, symbol table
6677         and layout.  Adjust call to do_relax.
6678         (Target::do_make_output_section): New method declaration.
6679         (Target::do_relax): Add parameters for input objects, symbol table
6680         and layout.
6681
6682 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6683
6684         * pread.c: Include stdio.h.
6685
6686 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6687
6688         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6689         defined.
6690
6691 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6692
6693         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6694         Change read_shndx type to unsigned int.
6695         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6696         int.
6697         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6698         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6699         Change read_shndx type to unsigned int.
6700         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6701         int.
6702         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6703         * layout.cc (Layout::create_symtab_sections): Cast the result of
6704         local_symcount * symsize to off_t in the gold_assert.
6705
6706 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6707
6708         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6709         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6710         R_ARM_BASE_ABS.
6711         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6712         (Arm_relocate_functions::thm_abs5): New function.
6713         (Arm_relocate_functions::abs12): New function.
6714         (Arm_relocate_functions::abs16): New function.
6715         (Arm_relocate_functions::base_abs): New function.
6716         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6717         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6718         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6719         R_ARM_BASE_ABS.
6720         (Scan::global): Likewise.
6721         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6722         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6723         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6724         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6725         R_ARM_BASE_ABS.
6726
6727 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6728
6729         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6730         (Arm_relocate_functions::movt_prel): New function.
6731         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6732         (Arm_relocate_functions::thm_movt_prel): New function.
6733         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6734         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6735         (Scan::global, Relocate::relocate): Likewise.
6736         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6737
6738 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6739
6740         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6741         Incremental_checker.
6742         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6743         unsigned int.
6744         (class Incremental_inputs_header): New class.
6745         (Incremental_inputs_header_writer): Edit comment.
6746         (Incremental_inputs_entry): New class.
6747         (Incremental_inputs_entry_writer): Edit comment.
6748         (Sized_incremental_binary::do_find_incremental_inputs_section):
6749         Add *strtab_shndx parameter, fill it.
6750         (Sized_incremental_binary::do_check_inputs): New method.
6751         (Incremental_checker::can_incrementally_link_output_file): Use
6752         Sized_incremental_binary::check_inputs.
6753         (Incremental_inputs::report_command_line): Save command line in
6754         command_line_.
6755         * incremental.h:
6756         (Incremental_binary::find_incremental_inputs_section): New
6757         method.
6758         (Incremental_binary::do_find_incremental_inputs_section): Add
6759         strtab_shndx parameter.
6760         (Incremental_binary::do_check_inputs): New pure virtual method.
6761         (Sized_incremental_binary::do_check_inputs): Declare.
6762         (Incremental_checker::Incremental_checker): Add incremental_inputs
6763         parameter, use it to initialize incremental_inputs_.
6764         (Incremental_checker::incremental_inputs_): New field.
6765         (Incremental_checker::command_line): New method.
6766         (Incremental_checker::inputs): New method.
6767         (Incremental_checker::command_line_): New field.
6768
6769 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6770
6771         * incremental.cc: Include <cstdarg> and "target-select.h".
6772         (vexplain_no_incremental): New function.
6773         (explain_no_incremental): New function.
6774         (Incremental_binary::error): New method.
6775         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6776         method.
6777         (make_sized_incremental_binary): New function.
6778         (open_incremental_binary): New function.
6779         (can_incrementally_link_file): Add checks if output is ELF and has
6780         inputs section.
6781         * incremental.h: Include "elfcpp_file.h" and "output.h".
6782         (Incremental_binary): New class.
6783         (Sized_incremental_binary): New class.
6784         (open_incremental_binary): Declare.
6785         * object.cc (is_elf_object): Use
6786         elfcpp::Elf_recognizer::is_elf_file.
6787         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6788         * output.h (Output_file::filesize): New method.
6789
6790 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6791
6792         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6793         New function.
6794         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6795         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6796         function.
6797         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6798         function.
6799         (Arm_relocate_functions::movw_abs_nc): New function.
6800         (Arm_relocate_functions::movt_abs): New function.
6801         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6802         (Arm_relocate_functions::thm_movt_abs): New function.
6803         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6804         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6805         (Scan::global): Likewise.
6806         (Relocate::relocate): Likewise.
6807         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6808
6809 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6810
6811         * arm.cc (Arm_relocate_functions::got_prel) New function.
6812         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6813         (Relocate::relocate): Likewise.
6814         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6815
6816 2009-10-06  Ian Lance Taylor  <iant@google.com>
6817
6818         * options.h (class General_options): Define
6819         split_stack_adjust_size parameter.
6820         * object.h (class Object): Add uses_split_stack_ and
6821         has_no_split_stack_ fields.  Add uses_split_stack and
6822         has_no_split_stack accessor functions.  Declare
6823         handle_split_stack_section.
6824         (class Reloc_symbol_changes): Define.
6825         (class Sized_relobj): Define Function_offsets.  Declare
6826         split_stack_adjust, split_stack_adjust_reltype, and
6827         find_functions.
6828         * object.cc (Object::handle_split_stack_section): New function.
6829         (Sized_relobj::do_layout): Call handle_split_stack_section.
6830         * dynobj.cc (Sized_dynobj::do_layout): Call
6831         handle_split_stack_section.
6832         * reloc.cc (Sized_relobj::relocate_sections): Call
6833         split_stack_adjust for executable sections in split_stack
6834         objects.  Pass reloc_map to relocate_section.
6835         (Sized_relobj::split_stack_adjust): New function.
6836         (Sized_relobj::split_stack_adjust_reltype): New function.
6837         (Sized_relobj::find_functions): New function.
6838         * target-reloc.h: Include "object.h".
6839         (relocate_section): Add reloc_symbol_changes parameter.  Change
6840         all callers.
6841         * target.h (class Target): Add calls_non_split method.  Declare
6842         do_calls_non_split virtual method.  Declare match_view and
6843         set_view_to_nop.
6844         * target.cc: Include "elfcpp.h".
6845         (Target::do_calls_non_split): New function.
6846         (Target::match_view): New function.
6847         (Target::set_view_to_nop): New function.
6848         * gold.cc (queue_middle_tasks): Give an error if mixing
6849         split-stack and non-split-stack objects with -r.
6850         * i386.cc (Target_i386::relocate_section): Add
6851         reloc_symbol_changes parameter.
6852         (Target_i386::do_calls_non_split): New function.
6853         * x86_64.cc (Target_x86_64::relocate_section): Add
6854         reloc_symbol_changes parameter.
6855         (Target_x86_64::do_calls_non_split): New function.
6856         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6857         parameter.
6858         * powerpc.cc (Target_powerpc::relocate_section): Add
6859         reloc_symbol_changes parameter.
6860         * sparc.cc (Target_sparc::relocate_section): Add
6861         reloc_symbol_changes parameter.
6862         * configure.ac: Call AM_CONDITIONAL for the default target.
6863         * configure: Rebuild.
6864         * testsuite/Makefile.am (TEST_AS): New variable.
6865         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6866         (check_DATA): Add split_i386 and split_x86_64 files.
6867         (SPLIT_DEFSYMS): Define.
6868         (split_i386_[1234n].o): New targets.
6869         (split_i386_[124]): New targets.
6870         (split_i386_[1234r].stdout): New targets.
6871         (split_x86_64_[1234n].o): New targets.
6872         (split_x86_64_[124]): New targets.
6873         (split_x86_64_[1234r].stdout): New targets.
6874         (MOSTLYCLEANFILES): Add new executables.
6875         * testsuite/split_i386.sh: New file.
6876         * testsuite/split_x86_64.sh: New file.
6877         * testsuite/split_i386_1.s: New file.
6878         * testsuite/split_i386_2.s: New file.
6879         * testsuite/split_i386_3.s: New file.
6880         * testsuite/split_i386_4.s: New file.
6881         * testsuite/split_i386_n.s: New file.
6882         * testsuite/split_x86_64_1.s: New file.
6883         * testsuite/split_x86_64_2.s: New file.
6884         * testsuite/split_x86_64_3.s: New file.
6885         * testsuite/split_x86_64_4.s: New file.
6886         * testsuite/split_x86_64_n.s: New file.
6887         * testsuite/testfile.cc (Target_test): Update relocation_section
6888         function.
6889         * testsuite/Makefile.in: Rebuild.
6890
6891 2009-10-06  Ian Lance Taylor  <iant@google.com>
6892
6893         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6894         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6895         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6896         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6897         the address on ldo_addrs_.
6898         (Target_i386::Relocate::fix_up_ldo): New function.
6899
6900 2009-10-06   Rafael Espindola  <espindola@google.com>
6901
6902         * plugin.cc (add_input_library): New.
6903         (Plugin::load): Add add_input_library to tv.
6904         (Plugin_manager::add_input_file): Add the is_lib argument.
6905         (add_input_file): Update call to Plugin_manager::add_input_file.
6906         (add_input_library): New.
6907         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6908
6909 2009-09-30  Doug Kwan  <dougkwan@google.com>
6910
6911         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6912         symbol and call Symbol::may_need_copy_reloc to determine if
6913         a copy reloc is needed.
6914         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6915         nocopyreloc is given in command line.
6916         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6917         given in command line.
6918         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6919         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6920         of the removed Target_i386::may_need_copy_reloc.
6921         * options.h (copyreloc): New option with default value false.
6922         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6923         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6924         instead of the removed Target_powerpc::may_need_copy_reloc.
6925         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6926         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6927         instead of the removed Target_sparc::may_need_copy_reloc.
6928         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6929         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6930         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6931         instead of the removed Target_x86_64::may_need_copy_reloc.
6932
6933 2009-09-30  Ian Lance Taylor  <iant@google.com>
6934
6935         * object.h (class Object): Remove target_ field, and target,
6936         sized_target, and set_target methods.
6937         (Object::sized_target): Remove.
6938         (class Sized_relobj): Update declarations.  Remove sized_target.
6939         * object.cc (Sized_relobj::setup): Remove target parameter.
6940         Change all callers.
6941         (Input_objects::add_object): Don't do anything with the target.
6942         (make_elf_sized_object): Add punconfigured parameter.  Change all
6943         callers.  Set or test parameter target.
6944         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6945         Change all callers.
6946         * parameters.cc (Parameters::set_target): Change parameter type to
6947         be non-const.
6948         (Parameters::default_target): Remove.
6949         (set_parameters_target): Change parameter type to be non-const.
6950         (parameters_force_valid_target): New function.
6951         (parameters_clear_target): New function.
6952         * parameters.h (class Parameters): Update declarations.  Remove
6953         default_target method.  Add sized_target and clear_target
6954         methods.  Change target_ to be non-const.
6955         (set_parameters_target): Update declaration.
6956         (parameters_force_valid_target): Declare.
6957         (parameters_clear_target): Declare.
6958         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
6959         as NULL if we aren't searching.
6960         (Add_symbols::run): Don't check for compatible target.
6961         * fileread.cc (Input_file::open_binary): Call
6962         parameters_force_valid_target.
6963         * gold.cc (queue_middle_tasks): Likewise.
6964         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
6965         set_target on object.
6966         * dynobj.h (class Sized_dynobj): Update declarations.
6967         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
6968         make_elf_object returns NULL.
6969         (Archive::include_member): Don't check whether object target is
6970         compatible.
6971         * output.cc (Output_section::add_input_section): Get target from
6972         parameters.
6973         (Output_section::relax_input_section): Likewise.
6974         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
6975         parameters.
6976         (Sized_relobj::do_scan_relocs): Likewise.
6977         (Sized_relobj::relocate_sections): Likewise.
6978         * resolve.cc (Symbol_table::resolve): Likewise.
6979         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
6980         parameter.  Change all callers.
6981         (Symbol_table::add_from_object): Get target from parameters.
6982         (Symbol_table::add_from_relobj): Don't check object target.
6983         (Symbol_table::add_from_dynobj): Likewise.
6984         (Symbol_table::define_special_symbol): Get target from
6985         parameters.
6986         * symtab.h (class Symbol_table): Update declaration.
6987         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
6988         parameter.  Change all callers.  Clear parameter target.
6989         (Binary_test): Test target here.
6990         * testsuite/object_unittest.cc (gold_testsuite): Remove
6991         target_test_pointer parameter.  Change all callers.
6992         (Object_test): Test target here.
6993
6994 2009-09-26  Ian Lance Taylor  <iant@google.com>
6995
6996         * testsuite/initpri1.c: Don't try to use constructor priorities if
6997         compiling with gcc before 4.3.
6998
6999 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7000
7001         * testsuite/retain_symbols_file_test.sh (check_present): Change
7002         output file name to retain_symbols_file_test.stdout.
7003         (check_absent): Likewise.
7004
7005 2009-09-18  Craig Silverstein  <csilvers@google.com>
7006
7007         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7008         * options.cc: Include <cerrno> and <fstream>.
7009         (General_options::finalize): Parse -retain-symbols-file tag.
7010         * options.h: New flag.
7011         (General_options): New method should_retain_symbol, new
7012         variable symbols_to_retain.
7013         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7014         should_retain_symbol map.
7015         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7016         * testsuite/Makefile.in: Regenerate.
7017         * testsuite/retain_symbols_file_test.sh: New file.
7018
7019 2009-09-18  Nick Clifton  <nickc@redhat.com>
7020
7021         * po/es.po: Updated Spanish translation.
7022
7023 2009-09-17  Doug Kwan  <dougkwan@google.com>
7024
7025         * debug.h (DEBUG_RELAXATION): New constant.
7026         (DEBUG_ALL): Add DEBUG_RELAXATION.
7027         (debug_string_to_enum): Add relaxation debug option.
7028         * layout.cc
7029         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7030         Layout::Relaxation_debug_check::read_sections,
7031         Layout::Relaxation_debug_check::read_sections): New method definitions.
7032         (Layout::Layout): Initialize data members
7033         record_output_section_data_from_scrips_,
7034         script_output_section_data_list_ and relaxation_debug_check_.
7035         (Layout::save_segments, Layout::restore_segments,
7036         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7037         Layout::relaxation_loop_body): New method definitions.
7038         (Layout::finalize): Support relaxation.  Move section layout code to
7039         Layout::relaxation_loop_body.
7040         (Layout::set_asection_address_from_script): Move code for orphan
7041         section placement out.
7042         (Layout::place_orphan_sections_in_script): New method definition.
7043         * layout.h (Output_segment_headers, Output_file_header):
7044         New forward class declarations.
7045         (Layout::~Layout): Define.
7046         (Layout::new_output_section_data_from_script): New method definition.
7047         (Layout::place_orphan_sections_in_script): New method declaration.
7048         (Layout::Segment_states): New type declaration.
7049         (Layout::save_segments, Layout::restore_segments,
7050         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7051         Layout::relaxation_loop_body): New method declarations.
7052         (Layout::Output_section_data_list): New type declaration.
7053         (Layout::Relaxation_debug_check): New class definition.
7054         (Layout::record_output_section_data_from_script_,
7055         Layout::script_output_section_data_list_, Layout::segment_states_,
7056         Layout::relaxation_debug_check_): New data members.
7057         * output.cc: (Output_section_headers::do_size): New method definition.
7058         (Output_section_headers::Output_section_headers): Move size
7059         computation to Output_section_headers::do_size.
7060         (Output_segment_headers::do_size): New method definition.
7061         (Output_file_header::Output_file_header): Move size computation to
7062         Output_file_header::do_size and call it.
7063         (Output_file_header::do_size): New method definition.
7064         (Output_data_group::Output_data_group): Adjust call to
7065         Output_section_data.
7066         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7067         (Output_symtab_xindex::do_write): Add array bound check.
7068         (Output_section::Input_section::print_to_mapfile): Handle
7069         RELAXED_INPUT_SECTION_CODE.
7070         (Output_section::Output_section): Initialize data member checkpoint_.
7071         (Output_section::~Output_section): Delete checkpoint object pointed
7072         by checkpoint_.
7073         (Output_section::add_input_section): Always add an Input_section if
7074         relaxing.
7075         (Output_section::add_merge_input_section): Add assert.
7076         (Output_section::relax_input_section): New method definition.
7077         (Output_section::set_final_data_size): Set load address to zero for
7078         an unallocated section.
7079         (Output_section::do_address_and_file_offset_have_reset_values):
7080         New method definition.
7081         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7082         Handle relaxed input section.
7083         (Output_section::sort_attached_input_sections): Checkpoint input
7084         section list lazily.
7085         (Output_section::get_input_sections): Change type of input_sections to
7086         list of Simple_input_section pointers.  Checkpoint input section list
7087         lazily.  Also handle relaxed input sections.
7088         (Output_section::add_input_section_for_script): Take a reference to
7089         a Simple_input_section object instead of Relobj pointer and section
7090         index as parameter.  Handle relaxed input sections.
7091         (Output_section::save_states, Output_section::restore_states): New
7092         method definitions.
7093         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7094         (Output_data::is_data_size_fixed): New method definition.
7095         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7096         if it is fixed.
7097         (Output_data::address_and_file_offset_have_reset_values): New method
7098         definition.
7099         (Output_data::do_address_and_file_offset_have_reset_values): New method
7100         definition.
7101         (Output_data::set_data_size): Check that data size is not fixed.
7102         (Output_data::fix_data_size): New method definition.
7103         (Output_data::is_data_size_fixed_): New data member.
7104         (Output_section_headers::set_final_data_size): New method definition.
7105         (Output_section_headers::do_size): New method declaration.
7106         (Output_segment_headers::set_final_data_size): New method definition.
7107         (Output_segment_headers::do_size): New method declaration.
7108         (Output_file_header::set_final_data_size)::New method definition.
7109         (Output_file_header::do_size)::New method declaration.
7110         (Output_section_data::Output_section_data): Add new parameter
7111         is_data_size_fixed and use it to fix data size.
7112         (Output_data_const::Output_data_const): Adjust call to base class
7113         constructor and fix data size.
7114         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7115         base class constructor and fix data size.
7116         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7117         base class constructor and fix data size.
7118         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7119         class constructor and fix data size.
7120         (Output_data_group::set_final_data_size): New method definition.
7121         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7122         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7123         class constructor and fix data size.
7124         (Output_relaxed_input_section): New class definition.
7125         (Output_section::Simple_input_section): New class definition.
7126         (Output_section::get_input_sections): Adjust parameter list.
7127         (Output_section::add_input_section_for_script): Same.
7128         (Output_section::save_states, Output_section::restore_states,
7129         Output_section::do_address_and_file_offset_have_reset_values,
7130         (Output_section::Input_section::Input_section): Handle
7131         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7132         Output_relaxed_input_section.
7133         (Output_section::Input_section::is_input_section,
7134         Output_section::Input_section::set_output_section): Handle relaxed
7135         input section.
7136         (Output_section::Input_section::is_relaxed_input_section,
7137         Output_section::Input_section::output_section_data,
7138         Output_section::Input_section::relaxed_input_section): New method
7139         definitions.
7140         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7141         value.
7142         (Output_section::Input_section::u1_): Update comments.
7143         (Output_section::Input_section::u2_): Add new union member poris.
7144         (Output_section::Checkpoint_output_section): New classs definition.
7145         (Output_section::relax_input_section): New method declaration.
7146         (Output_section::checkpoint_): New data member.
7147         (Output_segment): Update comments.
7148         (Output_segment::Output_segment): Un-privatize copy constructor.
7149         (Output_segment::operator=): Un-privatize.
7150         * script-sections.cc (Output_section_element::Input_section_list):
7151         Change element type to Output_section::Simple_input_section.
7152         (Output_section_element_dot_assignment::set_section_addresses):
7153         Register output section data for relaxation clean up.
7154         (Output_data_exression::Output_data_expression): Adjust call to base
7155         constructor to fix data size.
7156         (Output_section_element_data::set_section_addresses): Register
7157         Output_data_expression object for relaxation clean up.
7158         (struct Input_section_info): Replace Relobj pointer and section index
7159         pair with Output_section::Simple_input_section and Convert struct to a
7160         class.
7161         (Input_section_sorter::operator()): Adjust access to
7162         Input_section_info data member to use accessors.
7163         (Output_section_element_input::set_section_addresses): Use layout
7164         parameter.  Adjust code to use Output_section::Simple_input_section
7165         and Input_secction_info classes.  Register filler for relaxation
7166         clean up.
7167         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7168         and section index pair with Output_section::Simple_input_section
7169         class.  Adjust code accordingly.
7170         (Phdrs_element::release_segment): New method definition.
7171         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7172         segment list.
7173         (Script_sections::release_segments): New method definition.
7174         * gold/script-sections.h (Script_sections::release_segments): New
7175         method declaration.
7176         * gold/target.h (Target::may_relax, Target::relax,
7177         Target::do_may_relax, Target::do_relax): New method definitions.
7178
7179 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7180
7181         * arm.cc (has_signed_unsigned_overflow): New function.
7182         (Arm_relocate_functions::abs8): New function.
7183         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7184         (Target_arm::Scan::global): Likewise.
7185         (Target_arm::relocate::relocate): Likewise.
7186         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7187         Likewise.
7188
7189 2009-09-16  Cary Coutant  <ccoutant@google.com>
7190
7191         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7192         * testsuite/Makefile.in: Regenerate.
7193
7194 2009-09-11  Nick Clifton  <nickc@redhat.com>
7195
7196         * po/gold.pot: Updated by the Translation project.
7197
7198 2009-09-08  Cary Coutant  <ccoutant@google.com>
7199
7200         * output.cc (Output_file::open): Add execute permission to empty file.
7201         * testsuite/Makefile.am (permission_test): New test.
7202         * testsuite/Makefile.in: Regenerate.
7203
7204 2009-09-02  Ian Lance Taylor  <iant@google.com>
7205
7206         * output.cc (Output_file::resize): Call map_no_anonymous rather
7207         than map.
7208
7209 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7210
7211         * gold.cc: Include "incremental.h".
7212         (queue_initial_tasks): Call Incremental_checker methods.
7213         * incremental.cc: Include "output.h".
7214         (Incremental_checker::can_incrementally_link_output_file): New
7215         method.
7216         * incremental.h (Incremental_checker): New class.
7217
7218         * output.cc (Output_file::open_for_modification): New method.
7219         (Output_file::map_anonymous): Changed return type to bool.  Record
7220         map in base_ field.
7221         (Output_file::map_no_anonymous): New method, broken out of map.
7222         (Output_file::map): Use map_no_anonymous and map_anonymous.
7223         * output.h (class Output_file): Update declarations.
7224
7225 2009-08-24  Cary Coutant  <ccoutant@google.com>
7226
7227         * options.h (Command_line::Pre_options): New class.
7228         (Command_line::pre_options): New member.
7229         * options.cc (gold::options::ready_to_register): New variable.
7230         (One_option::register_option): Do nothing if not registering options.
7231         Assert if same short option registered twice.
7232         (General_options::General_options): Turn off option registration when
7233         done constructing.
7234         (Command_line::Pre_options::Pre_options): New constructor.
7235
7236 2009-08-24  Cary Coutant  <ccoutant@google.com>
7237
7238         * options.h (General_options::no_keep_memory): Remove incorrect
7239         short option.
7240
7241 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7242
7243         * Makefile.am (am__skiplex, am__skipyacc): New.
7244         * Makefile.in: Regenerate.
7245
7246 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7247
7248         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7249         (INCLUDES): ... this.
7250         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7251         (AM_CPPFLAGS): Renamed from ...
7252         (INCLUDE): ... this.
7253         * Makefile.in, testsuite/Makefile.in: Regenerate.
7254
7255         * Makefile.in: Regenerate.
7256         * aclocal.m4: Likewise.
7257         * config.in: Likewise.
7258         * configure: Likewise.
7259         * testsuite/Makefile.in: Likewise.
7260
7261         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7262         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7263         * Makefile.in: Regenerate.
7264         * testsuite/Makefile.in: Regenerate.
7265
7266 2009-08-19  Cary Coutant  <ccoutant@google.com>
7267
7268         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7269         symbols in shared libraries overridden by hidden or internal symbols
7270         in the main program.
7271
7272 2009-08-19  Chris Demetriou  <cgd@google.com>
7273
7274         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7275         checking source file names in error messages.
7276
7277 2009-08-18  Doug Kwan  <dougkwan@google.com>
7278
7279         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7280         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7281         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7282         an elfcpp::Ehdr as parameter.
7283         * object.cc (Object::set_target): Remove the version that looks up
7284         a target and sets it.
7285         (Sized_relobj::setup): Take a Target object instead of
7286         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7287         (make_elf_sized_object): Find target and ask target to
7288         make an ELF object.
7289         * object.h: (Object::set_target): Remove the version that looks up
7290         a target and sets it.
7291         (Sized_relobj::setup): Take a Target object instead of
7292         an elfcpp:Ehdr as parameter.
7293         * target.cc: Include dynobj.h.
7294         (Target::do_make_elf_object_implementation): New.
7295         (Target::do_make_elf_object): New.
7296         * target.h (Target::make_elf_object): New template declaration.
7297         (Target::do_make_elf_object): New method declarations.
7298         (Target::do_make_elf_object_implementation): New template declaration.
7299
7300 2009-08-14  Ian Lance Taylor  <iant@google.com>
7301
7302         * gold.h (FUNCTION_NAME): Define.
7303         (gold_unreachable): Use FUNCTION_NAME.
7304
7305 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7306
7307         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7308         symbol in the --keep-unique list is not found.
7309
7310 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7311
7312         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7313         been maked as --keep-unique.
7314         (Icf::unfold_section): New function.
7315         * icf.h (Icf::unfold_section): New function.
7316         * options.h (General_options::keep_unique): New option.
7317         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7318         * testsuite/Makefile.in: Regenerate.
7319         * testsuite/icf_keep_unique_test.sh: New file.
7320         * testsuite/icf_keep_unique_test.cc: New file.
7321
7322 2009-08-12  Cary Coutant  <ccoutant@google.com>
7323
7324         PR 10471
7325         * resolve.cc (Symbol_table::resolve): Check for references from
7326         dynamic objects to hidden and internal symbols.
7327         * testsuite/Makefile.am (hidden_test.sh): New test.
7328         * testsuite/Makefile.in: Regenerate.
7329         * testsuite/hidden_test.sh: New script.
7330         * testsuite/hidden_test_1.c: New test source.
7331         * testsuite/hidden_test_main.c: New test source.
7332
7333 2009-08-11  Doug Kwan  <dougkwan@google.com>
7334
7335         * arm.cc: Update comments.
7336         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7337         segment to locate the .ARM.exidx section if present.
7338
7339 2009-08-09  Doug Kwan  <dougkwan@google.com>
7340
7341         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7342         patch.
7343
7344 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7345         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7346         compiler warnings.
7347
7348 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7349
7350         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7351         valid tls_segment only for non-debug-section relocations.
7352         * testsuite/Makefile.am: Add gc_tls_test.
7353         * testsuite/Makefile.in: Regenerate.
7354         * testsuite/gc_tls_test.cc: New file.
7355         * testsuite/gc_tls_test.sh: New file.
7356
7357 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7358
7359         * icf.cc: New file.
7360         * icf.h: New file.
7361         * Makefile.am (CCFILES): Add icf.cc.
7362         (HFILES): Add icf.h
7363         * Makefile.in: Regenerate.
7364         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7365         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7366         section, symbol and addend information for the relocs.
7367         * gold.cc (queue_middle_tasks): Call identical code folding.
7368         * gold.h: Add defines for multimap.
7369         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7370         to the call of finalize_local_symbols.
7371         * main.cc (main): Create object of class Icf.
7372         * object.cc (Sized_relobj::do_layout): Allow this function to be
7373         called twice during icf.
7374         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7375         to sections marked as identical by icf.
7376         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7377         when available.
7378         (Sized_relobj::do_section_entsize): New function.
7379         * object.h (Object::section_entsize): New function.
7380         (Object::do_section_entsize): New pure virtual function.
7381         (Relobj::finalize_local_symbols): Add new parameter.
7382         (Relobj::do_section_entsize): New function.
7383         * options.h (General_options::icf): New option.
7384         (General_options::icf_iterations): New option.
7385         (General_options::print_icf_sections): New option.
7386         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7387         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7388         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7389         icf.
7390         * symtab.cc (Symbol_table::is_section_folded): New function.
7391         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7392         to sections marked as identical by icf.
7393         * symtab.h (Symbol_table::set_icf): New function.
7394         (Symbol_table::icf): New function.
7395         (Symbol_table::is_section_folded): New function.
7396         (Symbol_table::icf_): New data member.
7397         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7398         * testsuite/Makefile.am: Add commands to build icf_test.
7399         * testsuite/Makefile.in: Regenerate.
7400         * testsuite/icf_test.sh: New file.
7401         * testsuite/icf_test.cc: New file.
7402
7403 2009-07-24  Chris Demetriou  <cgd@google.com>
7404
7405         * layout.cc (is_compressible_debug_section): Fix incorrect
7406         comment about compressed section names.
7407
7408 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7409
7410         PR 10419
7411         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7412
7413 2009-07-16  Ian Lance Taylor  <iant@google.com>
7414
7415         PR 10400
7416         * layout.h: #include <map>.
7417         (class Kept_section): Change from struct to class.  Add accessors
7418         and setters.  Add section size to Comdat_group mapping.  Change
7419         Comdat_group to std::map.  Add is_comdat_ field.  Add
7420         linkonce_size field in union.
7421         (class Layout): Update declaration of find_or_add_kept_section.
7422         Don't declare find_kept_object.
7423         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7424         parameter.  Add object, shndx, is_comdat, and is_group_name
7425         parameters.  Change all callers.  Adjust for new Kept_section.
7426         (Layout::find_kept_object): Remove.
7427         * object.cc (Sized_relobj::include_section_group): Update use of
7428         Kept_section.  Rename secnum to shndx.  Only record
7429         Kept_comdat_section if sections are the same size.
7430         (Sized_relobj::include_linkonce_section): Update use of
7431         Kept_section.  Only record Kept_comdat_section if sections are the
7432         same size.  Set size of linkonce section.
7433         (Sized_relobj::map_to_kept_section): Update call to
7434         get_kept_comdat_section.
7435         * object.h (class Sized_relobj): Rename fields in
7436         Kept_comdat_section to drop trailing underscores; change object
7437         field to Relobj*.  Change Kept_comdat_section_table to store
7438         struct rather than pointer.
7439         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7440         Add kept_object and kept_shndx parameters.  Change all callers.
7441         (Sized_relobj::get_kept_comdat_section): Change return type to
7442         bool.  Add kept_object and kept_shndx parameters.  Change all
7443         callers.
7444         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7445         Layout::find_or_add_kept_section.
7446
7447 2009-07-09  Ian Lance Taylor  <iant@google.com>
7448
7449         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7450         Reserve space in the hash table.
7451
7452 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7453
7454         * fileread.cc (File_read::get_mtime): New method.
7455         * fileread.h (Timespec): New structure.
7456         (File_read::get_mtime): New method.
7457         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7458         Renamed from timestamp_nsec.
7459         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7460         Elf_Xword.
7461         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7462         timestamp_nsec.
7463         (Incremental_inputs::report_archive): Save mtime; style fix.
7464         (Incremental_inputs::report_obejct): Save mtime; style fix.
7465         (Incremental_inputs::report_script): Save mtime; style fix.
7466         (Incremental_inputs::finalize_inputs): Style fix.
7467         (Incremental_inputs::finalize): Style fix.
7468         (Incremental_inputs::create_input_section_data): Store inputs
7469         mtime.
7470         * incremental.h (Incremental_inputs::report_script): Add mtime
7471         argument.
7472         (Incremental_inputs::Input_info::Input_info): Intialize only one
7473         union member.
7474         (Incremental_inputs::Input_info::archive): Move to nameless
7475         union.
7476         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7477         (Incremental_inputs::Input_info::script): Move to nameless union.
7478         (Incremental_inputs::mtime): New field.
7479         * script.cc (read_input_script): Pass file mtime to
7480         Incremental_input.
7481         * script.h (Script_info::inputs): Style fix.
7482
7483 2009-07-01  Ian Lance Taylor  <ian@airs.com>
7484
7485         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
7486         instead of 32.
7487
7488 2009-06-24  Ian Lance Taylor  <iant@google.com>
7489
7490         PR 10156
7491         * layout.cc (Layout::choose_output_section): If we find an
7492         existing section, update the flags.
7493         (Layout::create_notes): New function, broken out of
7494         Layout::finalize.
7495         (Layout::finalize): Don't create note sections.
7496         (Layout::create_note): Don't crash if linker script discards
7497         section.
7498         (Layout::create_gold_note): Likewise.
7499         (Layout::create_build_id): Likewise.  Don't set
7500         after_input_sections on the section.
7501         (Layout::create_executable_stack_info): Remove target parameter.
7502         Change caller.
7503         * layout.h (class Layout): Declare create_notes.  Update
7504         declaration of create_executable_stack_info.
7505         * gold.cc (queue_middle_tasks): Call create_notes.
7506         * output.cc (Output_section::update_flags_for_input_section): Move
7507         here from output.h.  If SHF_ALLOC flag is newly set, mark address
7508         invalid.
7509         * output.h (Output_data::mark_address_invalid): New function.
7510         (class Output_section): Only declare, not define,
7511         update_flags_for_input_section.  Remove set_flags.
7512
7513 2009-06-24  Ian Lance Taylor  <iant@google.com>
7514
7515         * script-sections.cc (Output_section_definition::
7516         set_section_addresses): Rename shadowing local load_address to
7517         laddr.
7518
7519 2009-06-24  Ian Lance Taylor  <iant@google.com>
7520
7521         PR 10244
7522         * reloc.cc (relocate_sections): Skip empty relocation sections.
7523
7524 2009-06-23  Ian Lance Taylor  <iant@google.com>
7525
7526         PR 10156
7527         * layout.cc (Layout::create_note): Use choose_output_section
7528         rather than make_output_section.
7529
7530 2009-06-23  Ian Lance Taylor  <iant@google.com>
7531
7532         PR 10237
7533         * options.cc (General_options::parse_V): Set printed_version_.
7534         (General_options::General_options): Initialize printed_version_.
7535         * options.h (class General_options): Add printed_version_ field.
7536         * gold.cc (queue_initial_tasks): If there are no input files,
7537         don't give a fatal error if we printed the version information.
7538         (queue_middle_tasks): If using -r with a shared object, give a
7539         fatal error rather than an ordinary error.
7540
7541 2009-06-23  Ian Lance Taylor  <iant@google.com>
7542
7543         PR 10219
7544         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
7545         (Layout::make_output_section): Set have_stabstr_section_ if we see
7546         a .stab*str section.
7547         (Layout::finalize): Call link_stabs_sections.
7548         (Layout::link_stabs_sections): New file.
7549         * layout.h (class Layout): Add have_stabstr_section_ field.
7550         Declare link_stabs_sections.
7551
7552 2009-06-23  Doug Kwan  <dougkwan@google.com>
7553
7554         * Makefile.am (libgold_a_LIBADD): New.
7555         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
7556         * Makefile.in: Regenerate.
7557         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
7558         * configure: Regenerate.
7559         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
7560         * fileread.cc: Include sys/state.h
7561         * gold.h: Declare memmem and strndup if found missing.
7562         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
7563
7564 2009-06-23  Ian Lance Taylor  <iant@google.com>
7565
7566         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
7567         * configure: Rebuild.
7568
7569 2009-06-23  Ian Lance Taylor  <iant@google.com>
7570
7571         PR 10147
7572         * object.cc (Object::section_contents): Don't try to get a view if
7573         the section has length zero.
7574         (Object::handle_gnu_warning_section): If the section is empty, use
7575         the name of the section as the warning.
7576
7577 2009-06-23  Ian Lance Taylor  <iant@google.com>
7578
7579         PR 10133
7580         * stringpool.h (class Stringpool_template): Add optimize_ field.
7581         (Stringpool_template::set_optimize): New function.
7582         * stringpool.cc (Stringpool_template::Stringpool_template):
7583         Initialize optimize_ field.
7584         (Stringpool_template::set_string_offsets): Test local optimize
7585         fild rather than parameter.
7586         * layout.cc (Layout::Layout): Call set_optimize on the section
7587         name stringpool.
7588
7589 2009-06-22  Ian Lance Taylor  <iant@google.com>
7590
7591         PR 10030
7592         * yyscript.y: Parse TARGET.
7593         * script.cc (script_set_target): New function.
7594         * script-c.h (script_set_target): Declare.
7595         * options.cc (General_options::string_to_object_format): Rename
7596         from string_to_object_format in anonymous namespace.  Change
7597         callers.
7598         * options.h (class General_options): Declare
7599         string_to_object_format.
7600
7601 2009-06-22  Ian Lance Taylor  <iant@google.com>
7602
7603         * script-sections.cc (Script_sections::create_segments): Don't put
7604         program headers in a PT_LOAD segment if -n or -N.
7605
7606 2009-06-22  Ian Lance Taylor  <iant@google.com>
7607
7608         PR 10141
7609         * options.h (class General_options): Add -z lazy and -z now.  Sort
7610         -z options into alphabetical order.
7611         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
7612
7613 2009-06-21  Ian Lance Taylor  <iant@google.com>
7614
7615         * layout.cc (Layout::make_output_section): Call
7616         Target::new_output_section.
7617         (Layout::attach_allocated_section_to_segment): Put large section
7618         sections in a separate load segment with the large segment flag
7619         set.
7620         (Layout::segment_precedes): Sort large data segments after other
7621         load segments.
7622         (align_file_offset): New static function.
7623         (Layout::set_segment_offsets): Use align_file_offset.
7624         * output.h (class Output_section): Add is_small_section_ and
7625         is_large_section_ fields.
7626         (Output_section::is_small_section): New function.
7627         (Output_section::set_is_small_section):  New function.
7628         (Output_section::is_large_section): New function.
7629         (Output_section::set_is_large_section): New function.
7630         (Output_section::is_large_data_section): New function.
7631         (class Output_segment): Add is_large_data_segment_ field.
7632         (Output_segment::is_large_data_segment): New function.
7633         (Output_segment::set_is_large_data_segment): New function.
7634         * output.cc (Output_section::Output_section): Initialize new
7635         fields.
7636         (Output_segment::Output_segment): Likewise.
7637         (Output_segment::add_output_section): Add assertion that large
7638         data sections always go in large data segments.  Force small data
7639         sections to the end of the list of data sections.  Force small BSS
7640         sections to the start of the list of BSS sections.  For large BSS
7641         sections to the end of the list of BSS sections.
7642         * symtab.h (class Symbol): Declare is_common_shndx.
7643         (Symbol::is_defined): Check Symbol::is_common_shndx.
7644         (Symbol::is_common): Likewise.
7645         (class Symbol_table): Define enum Commons_section_type.  Update
7646         declarations.  Add small_commons_ and large_commons_ fields.
7647         * symtab.cc (Symbol::is_common_shndx): New function.
7648         (Symbol_table::Symbol_table): Initialize new fields.
7649         (Symbol_table::add_from_object): Put small and large common
7650         symbols in the right list.
7651         (Symbol_table::sized_finalized_symbol): Check
7652         Symbol::is_common_shndx.
7653         (Symbol_table::sized_write_globals): Likewise.
7654         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7655         common symbol lists.  Don't call do_allocate_commons_list if the
7656         list is empty.
7657         (Symbol_table::do_allocate_commons_list): Remove is_tls
7658         parameter.  Add comons_section_type parameter.  Change all
7659         callers.  Handle small and large common symbols.
7660         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7661         Symbol::is_common_shndx.
7662         * resolve.cc (symbol_to_bits): Likewise.
7663         * target.h (Target::small_common_shndx): New function.
7664         (Target::small_common_section_flags): New function.
7665         (Target::large_common_shndx): New function.
7666         (Target::large_common_section_flags): New function.
7667         (Target::new_output_section): New function.
7668         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7669         small_common_section_flags, and large_common_section_flags
7670         fields.
7671         (Target::do_new_output_section): New virtual function.
7672         * arm.cc (Target_arm::arm_info): Initialize new fields.
7673         * i386.cc (Target_i386::i386_info): Likewise.
7674         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7675         Likewise.
7676         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7677         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7678         (Target_x86_64::do_new_output_section): New function.
7679         * configure.ac: Define conditional MCMODEL_MEDIUM.
7680         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7681         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7682         (large_LDFLAGS): Define.
7683         * testsuite/large.c: New file.
7684         * testsuite/testfile.cc (Target_test::test_target_info):
7685         Initialize new fields.
7686         * configure, testsuite/Makefile.in: Rebuild.
7687
7688 2009-06-05  Doug Kwan  <dougkwan@google.com>
7689
7690         * Makefile.am (CCFILES): Add target.cc.
7691         * Makefile.in: Regenerate.
7692         * i386.cc (class Target_i386): Define new virtual method to
7693         override do_is_local_label_name in parent.
7694         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7695         local symbols if --discard-locals or -X is given.
7696         * options.h (class General_options): Declare new options
7697         '--discard-locals' and '-X' for discarding locals.
7698         * target.h (class Target): Define new methods is_local_label_name.
7699         Declare new virtual method do_is_local_label_name.
7700         * target.cc: New file.
7701         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7702         (check_SCRIPTS): Add discard_locals_test.sh.
7703         (check_DATA): Add discard_local_tests.syms.
7704         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7705         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7706         * testsuite/Makefile.in: Regenerate.
7707         * testsuite/discard_locals_test.c: New file.
7708         * testsuite/discard_locals_test.sh: Same.
7709
7710 2009-06-05  Doug Kwan  <dougkwan@google.com>
7711
7712         * object.cc (Sized_relobj::Sized_relobj): Initialize
7713         discarded_eh_frame_shndx_ to -1U.
7714         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7715         section.
7716         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7717         a discarded .eh_frame section.
7718         (Sized_relobj::do_finalize_local_symbols): Ditto.
7719         * object.h (class Sized_relobj): Declare new member
7720         discarded_eh_frame_shndx_.
7721         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7722         (local_labels_test.o, local_labels_test): New rules.
7723         * testsuite/Makefile.in: Regenerate.
7724
7725 2009-06-04  Doug Kwan  <dougkwan@google.com>
7726
7727         * layout.cc (Layout::section_name_mapping): Add mapping for
7728         special ARM sections.
7729
7730 2009-06-03  Doug Kwan  <dougkwan@google.com>
7731
7732         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7733         (utils::has_overflow): Same.
7734
7735 2009-06-03  Ian Lance Taylor  <iant@google.com>
7736
7737         * layout.cc (Layout::section_name_mapping): New array, replacing
7738         Layout::linkonce_mapping.
7739         (Layout::section_name_mapping_count): New variable, replacing
7740         Layout::linkonce_mapping_count.
7741         (Layout::linkonce_output_name): Remove.
7742         (Layout::output_section_name): Rewrite.
7743         * layout.h (class Layout): Rename Linkonce_mapping to
7744         Section_name_mapping, linkonce_mapping to section_name_mapping,
7745         linkonce_mapping_count to section_name_mapping_count.  Don't
7746         declare linkonce_output_name.
7747
7748 2009-06-03  Doug Kwan  <dougkwan@google.com>
7749
7750         * gold/arm.cc (namespace utils): New.
7751         (Target_arm::reloc_is_non_pic): Define new method.
7752         (class Arm_relocate_functions): New.
7753         (Target_arm::Relocate::relocate): Handle relocation types used by
7754         Android.
7755
7756 2009-06-03  Ian Lance Taylor  <iant@google.com>
7757
7758         * arm.cc (Target_arm::scan::global): Use || instead of |.
7759
7760 2009-06-02  Doug Kwan  <dougkwan@google.com>
7761
7762         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7763         issued_non_pic_error_.
7764         (class Target_arm::Scan): Declare new method check_non_pic.
7765         Define new method symbol_needs_plt_entry.
7766         Declare new data member issued_non_pic_error_.
7767         (class Target_arm::Relocate): Declare new method
7768         should_apply_static_reloc.
7769         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7770         (Target_arm::Scan::check_non_pic): Define new method.
7771         (Target_arm::Scan::local): Handle a small subset of reloc types used
7772         by Android.
7773         (Target_arm::Scan::local): Same.
7774         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7775
7776 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7777
7778         * incremental.cc (Incremental_inputs::report_command_line): Filter
7779         out --incremental-* options.
7780
7781 2009-05-29  Doug Kwan  <dougkwan@google.com>
7782
7783         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7784         template class.
7785         (class Target_arm): Update comment.
7786         (Target_arm::Target_arm): Initialize new data members GOT_,
7787         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7788         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7789         and Target_arm::rel_dyn_section.
7790         Declare new_enum Target_arm::Got_type.
7791         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7792         and DYNBSS_.
7793         Update commments for member do_dynsym_value.
7794         (Target_arm::got_size, Target_arm::plt_section,
7795         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7796         new methods inside class defintion.
7797         (Target_arm::got_section): Define new method.
7798         (Target_arm::rel_dyn_section): Same.
7799         (Output_data_plt_arm): New template class.
7800         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7801         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7802         (Output_data_plt_arm::add_entry): Same.
7803         (Output_data_plt_arm::first_plt_entry): Define new
7804         static data member for PLT instruction template.
7805         (Output_data_plt_arm::plt_entry): Same.
7806         (Output_data_plt_arm::do_write): Define new method.
7807         (Target_arm::make_plt_entry): Same.
7808         (Target_arm::do_finalize_sections): Same.
7809         (Target_arm::do_dynsym_value): Same.
7810
7811 2009-05-28  Doug Kwan  <dougkwan@google.com>
7812
7813         * Makefile.am (TARGETSOURCES): Add arm.cc.
7814         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7815         * Makefile.in: Regenerate.
7816         * arm.cc: New file.
7817         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7818
7819 2009-05-26  Doug Kwan  <dougkwan@google.com>
7820
7821         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7822         (General_options::check_excluded_libs): Strip off directories in
7823         archive name before matching like GNU ld does.
7824         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7825         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7826         (exclude_libs_test_LDFLAGS): Add linker option
7827         -Wl,--exclude-libs,libexclude_libs_test_3
7828         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7829         an explicit archive without using -l.
7830         (alt/libexclude_libs_test_3.a): New make rule.
7831         * testsuite/Makefile.in: Regenerate.
7832         * testsuite/exclude_libs_test.c : Declare lib3_default().
7833         (main): Call it.
7834         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7835         * exclude_libs_test_3.c: New file.
7836
7837 2009-05-26  Nick Clifton  <nickc@redhat.com>
7838
7839         * po/id.po: New Indonesian translation.
7840         * po/gold.pot: Updated template file.
7841
7842 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7843
7844         * testsuite/Makefile.am: Add -ffunction-sections to compile
7845         gc_comdat_test files.  Add -Wl,--gc-sections to build
7846         gc_comdat_test.
7847         * testsuite/Makefile.in: Regenerate.
7848         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7849
7850 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7851
7852         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7853         kept comdat section was garbage collected.
7854         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7855         * testsuite/Makefile.in: Regenerate.
7856         * testsuite/gc_comdat_test.sh: New file.
7857         * testsuite/gc_comdat_test_1.cc: New file.
7858         * testsuite/gc_comdat_test_2.cc: New file.
7859
7860 2009-05-19  Doug Kwan  <dougkwan@google.com>
7861
7862         * archive.cc (Archive::Archive): Move constructor from archive.h
7863         to here.  Initialize no_export_.
7864         (Archive::get_elf_object_for_member): Set no_export flag of object.
7865         * archive.h (Archive::Archive): Move constructor body to
7866         archive.cc.
7867         (Archive::no_export): New method.
7868         (Archive::no_export_): New field.
7869         * object.h (Object::Object): Initialize no_export_ to false.
7870         (Object::no_export, Object::set_no_export): New methods.
7871         (Object::no_export_): New field.
7872         * options.cc (General_options::parse_exclude_libs): New method.
7873         (General_options::check_excluded_libs) Same.
7874         * options.h (exclude_libs): New option.
7875         (General_options::check_excluded_libs): New method declaration.
7876         (General_options::excluded_libs_): New field.
7877         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7878         default or protected visibility if an object has no-export flag set.
7879         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7880         (check_SCRIPTS): Add exclude_libs_test.sh.
7881         (check_DATA): Add exclude_libs_test.syms.
7882         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7883         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7884         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7885         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7886         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7887         libexclude_libs_test_2.a): New rules.
7888         * testsuite/Makefile.in: Regenerate.
7889         * testsuite/exclude_libs_test.c: New file.
7890         * testsuite/exclude_libs_test.sh: Ditto.
7891         * testsuite/exclude_libs_test_1.c: Ditto.
7892         * testsuite/exclude_libs_test_2.c: Ditto.
7893
7894 2009-05-15  Ian Lance Taylor  <iant@google.com>
7895
7896         * configure.ac: Check for declarations for cases where libiberty.h
7897         checks HAVE_DECL_xxx.
7898         * configure, config.in: Rebuild.
7899
7900 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7901
7902         * gold.h (Incremental_argument_list): Remove (invalid) forward
7903         declaration.
7904         * incremental.cc (Incremental_inputs::report_achive): New method.
7905         (Incremental_inputs::report_object): New method.
7906         (Incremental_inputs::report_script): New method.
7907         (Incremental_inputs::finalize_inputs): New method.
7908         (Incremental_inputs::finalize): Call finalize_inputs().
7909         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7910         Create inputs entries.
7911         * incremental.h (Incremental_input_type): New enum.
7912         (Incremental_inputs::Incremental_input): Initialize new fields.
7913         (Incremental_inputs::report_inputs): New method.
7914         (Incremental_inputs::report_achive): New method.
7915         (Incremental_inputs::report_object): New method.
7916         (Incremental_inputs::report_script): New method.
7917         (Incremental_inputs::finalize_inputs): New method.
7918         (Incremental_inputs::Input_info): New struct.
7919         (Incremental_inputs::Input_info_map): New typedef.
7920         (Incremental_inputs::lock_): New field.
7921         (Incremental_inputs::Inputs_): New field.
7922         (Incremental_inputs::Inputs_map): New field.
7923         * main.cc (main): Call Incremental_input::report_inputs.
7924         * options.h (Input_argument_list): Typedef moved from
7925         Input_arguments.
7926         (Input_file_group::Files): Remove, use ::Input_argument_list.
7927         (Input_file_group::Input_argument_list): Remove, use
7928         ::Input_argument_list.
7929         * plugin.cc (Plugin_manager::add_input_file): Add error in
7930         incremental build.
7931         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7932         functions.
7933         * script.cc (read_input_script): Call
7934         Incremental_input::report_script.
7935         * script.h (Script_info): New class.
7936
7937 2009-04-27  Ian Lance Taylor  <iant@google.com>
7938
7939         * x86_64.cc (do_adjust_output_section): Set entsize to
7940         plt_entry_size.
7941
7942 2009-04-23  Elliott Hughes  <enh@google.com>
7943
7944         * output.cc (Output_file::close): After short writes, continue
7945         writing from the correct offset in the buffer being written.
7946
7947 2009-04-23  Chris Demetriou  <cgd@google.com>
7948
7949         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
7950         * configure: Regenerate.
7951         * config.in: Regenerate.
7952         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
7953         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
7954
7955 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
7956
7957         * incremental.cc (Incremental_inputs_header_data): Renamed from
7958         Incremental_input_header_data.
7959         (Incremental_inputs_header_data::data_size): New field.
7960         (Incremental_inputs_header_data::put_input_file_count): Renamed
7961         from input_file_count.
7962         (Incremental_inputs_header_data::put_command_line_offset): Renamed
7963         from command_line_offset.
7964         (Incremental_inputs_header_data::put_reserved): Renamed from
7965         put_reserved.
7966         (Incremental_inputs_entry_data): Renamed from
7967         Incremental_input_entry_data.
7968         (Incremental_inputs_entry_data::data_size): New field.
7969         (Incremental_inputs::report_command_line): New method.
7970         (Incremental_inputs::finalize): New method.
7971         (Incremental_inputs::create_incremental_inputs_data): New method.
7972         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
7973         * incremental.h: New file.
7974         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
7975        (Layout::finalize): Create incremental inputs section in
7976         incremental builds.
7977        (Layout::create_incremental_info_sections): New method.
7978         * layout.h (Layout::incremental_inputs): New method.
7979        (Layout::create_incremental_info_sections): New method.
7980        (Layout::incremental_inputs_): New field.
7981         * main.cc (main): Notify Incremental_input of the command line.
7982
7983 2009-04-01  Ian Lance Taylor  <iant@google.com>
7984             Mikolaj Zalewski  <mikolajz@google.com>
7985
7986         * gold.h (reserve_unordered_map): Define, three versions, one for
7987         each version of Unordered_map.
7988         * layout.cc (Layout::Layout): Remove options parameter.  Add
7989         number_of_input_files parameter.  Don't initialize options_.
7990         Initialize number_of_input_files_ and resized_signatures_.  Move
7991         sections_are_attached_.
7992         (Layout::layout_group): Reserve space for group_signatures_.
7993         (Layout::find_or_add_kept_section): Change name parameter to be a
7994         reference.  Resize signatures_ map when it gets large enough.
7995         (Layout::layout_eh_frame): Use parameters->options() instead of
7996         this->options_.
7997         (Layout::make_output_section): Likewise.
7998         (Layout::attach_allocated_section_to_segment): Likewise.
7999         (Layout::finalize, Layout::create_executable_stack): Likewise.
8000         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8001         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8002         * layout.h (class Layout): Update declarations.  Remove options_
8003         field.  Add number_of_input_files_ and resized_signatures_
8004         fields.  Move sections_are_attached_ field.
8005         * main.cc (main): Pass number of input files to Layout
8006         constructor.  Don't pass options.
8007
8008 2009-03-30  Ian Lance Taylor  <iant@google.com>
8009
8010         * ffsll.c (ffsll): Correct implementation.
8011
8012 2009-03-27  Ian Lance Taylor  <iant@google.com>
8013
8014         * ffsll.c: New file.
8015         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8016         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8017         * ftruncate.c (ftruncate): Declare before definition.
8018         * mremap.c (mremap): Likewise.
8019         * pread.c (pread): Likewise.
8020         * configure, Makefile.in, config.in: Rebuild.
8021
8022         * mremap.c: New file.
8023         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8024         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8025         (mremap): Declare if HAVE_MREMAP is not defined.
8026         * configure, Makefile.in, config.in: Rebuild.
8027
8028 2009-03-27  Cary Coutant  <ccoutant@google.com>
8029
8030         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8031         position independent.
8032         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8033         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8034
8035 2009-03-24  Cary Coutant  <ccoutant@google.com>
8036
8037         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8038         an executable.
8039         (needs_dynamic_reloc): Likewise.
8040
8041 2009-03-24  Ian Lance Taylor  <iant@google.com>
8042
8043         * yyscript.y (file_cmd): Recognize EXTERN.
8044         (extern_name_list, extern_name_list_body): New nonterminals.
8045         * script.cc (script_add_extern): Define.
8046         * script-c.h (script_add_extern): Declare.
8047
8048 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8049
8050         * object.cc (is_elf_object): Define.
8051         * object.h (is_elf_object): Declare.
8052         * archive.cc (Archive::get_elf_object_for_member): Call
8053         is_elf_object.
8054         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8055
8056 2009-03-24  Elliott Hughes  <enh@google.com>
8057
8058         * output.cc (Output_file::map_anonymous): Define.
8059         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8060         try an anonymous one.  Report the size if the mmap fails.
8061         * output.h (class Output_file): Declare map_anonymous.
8062
8063 2009-03-24  Ian Lance Taylor  <iant@google.com>
8064
8065         * target-select.cc (instantiate_target): Don't acquire the lock if
8066         the instantiated_target_ field has already been set.
8067
8068 2009-03-23  Ian Lance Taylor  <iant@google.com>
8069
8070         * gold-threads.h (class Initialize_lock): Define.
8071         * gold-threads.cc (class Initialize_lock_once): Define.
8072         (initialize_lock_control): New static variable.
8073         (initialize_lock_pointer): New static variable.
8074         (initialize_lock_once): New static function.
8075         (Initialize_lock::Initialize_lock): Define.
8076         (Initialize_lock::initialize): Define.
8077         * target-select.h: Include "gold-threads.h".
8078         (class Target_selector): Add lock_ and initialize_lock_ fields.
8079         Don't define instantiate_target, just declare it.
8080         * target-select.cc (Target_selector::Target_selector): Initialize
8081         new fields.
8082         (Target_selector::instantiate_target): Define.
8083         * descriptors.h: Include "gold-threads.h".
8084         (class Descriptors): Add initialize_lock_ field.
8085         * descriptors.cc (Descriptors::Descriptors): Initialize new
8086         field.
8087         (Descriptors::open): Use initialize_lock_ field
8088         * errors.h (class Errors): Add initialize_lock_ field.
8089         * errors.cc (Errors::Errors): Initialize new field.
8090         (Errors::initialize_lock): Use initialize_lock_ field.
8091         * powerpc.cc (class Target_selector_powerpc): Remove
8092         instantiated_target_ field.  In do_recognize call
8093         instantiate_target rather than do_instantiate_target.  In
8094         do_instantiate_target just allocate a new target.
8095         * sparc.cc (class Target_selector_sparc): Likewise.
8096
8097         * freebsd.h: New file.
8098         * i386.cc: Include "freebsd.h".
8099         (Target_i386): Derive from Target_freebsd rather than
8100         Sized_target.
8101         (Target_selector_i386): Derive from Target_selector_freebsd rather
8102         than Target_selector.
8103         * x86_64.cc: Include "freebsd.h".
8104         (Target_x86_64): Derive from Target_freebsd rather than
8105         Sized_target.
8106         (Target_selector_x86_64): Derive from Target_selector_freebsd
8107         rather than Target_selector.
8108         * target.h (class Target): Add adjust_elf_header and
8109         do_adjust_elf_header.
8110         * output.cc (Output_file_header:: do_sized_write): Call target
8111         adjust_elf_header routine.
8112         * configure.tgt: Set targ_osabi.
8113         * configure.ac: Define GOLD_DEFAULT_OSABI.
8114         * parameters.cc (Parameters::default_target): Pass
8115         GOLD_DEFAULT_OSABI to select_target.
8116         * target-select.h (class Target_selector): Make instantiate_target
8117         protected rather than private.
8118         * Makefile.am (HFILES): Add freebsd.h.
8119         * configure, Makefile.in, config.in: Rebuild.
8120
8121         * merge.cc (do_add_input_section): Correct pend value.  Change
8122         message about last entry not being null terminated from error to
8123         warning.
8124
8125 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8126
8127         * incremental.cc: New file.
8128         * Makefile.am (CCFILES): Add incremental.cc.
8129         * Makefile.in: Rebuild.
8130
8131 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8132
8133         * layout.cc (Layout::output_section_name): Preserve names
8134         of '.note.' sections.
8135
8136 2009-03-19  Ian Lance Taylor  <iant@google.com>
8137
8138         * descriptors.cc (Descriptors::open): Check that the options are
8139         valid before using them.
8140
8141 2009-03-18  Ian Lance Taylor  <iant@google.com>
8142
8143         * script-sections.h: Include <list>.
8144         (class Script_sections): Change Sections_elements from std::vector
8145         to std::list.  Typedef public Elements_iterator.  Add
8146         orphan_section_placement_, data_segment_align_start_, and
8147         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8148         field.
8149         * script-sections.cc (class Orphan_section_placement): New class.
8150         (class Sections_element): Add virtual functions is_relro and
8151         orphan_section_init.  Remove virtual function place_orphan_here.
8152         (class Output_section_definition): Add is_relro and
8153         orphan_section_init.  Remove place_orphan_here.
8154         (class Orphan_output_section): Likewise.
8155         (Script_sections::Script_sections): Update for field changes.
8156         (Script_sections::data_segment_align): Set saw_data_segment_align_
8157         and data_segment_align_start_, not data_segment_align_index.
8158         (Script_sections::data_segment_relro_end): Check
8159         saw_data_segment_align_.  Use data_segment_align_start_ rather
8160         than data_segment_align_index_.
8161         (Script_sections::place_orphan): Rewrite to use
8162         Orphan_section_placement.
8163
8164 2009-03-17  Ian Lance Taylor  <iant@google.com>
8165
8166         * archive.cc (Archive::add_symbols): Check for a version attached
8167         to the symbol name in the archive map.
8168         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8169         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8170         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8171         (ver_test_11.a): New target.
8172         * testsuite/Makefile.in: Rebuild.
8173
8174         * configure.ac: Check for chsize and posix_fallocate.  Replace
8175         ftruncate.
8176         * ftruncate.c: New file, from gnulib.
8177         * output.cc (posix_fallocate): Define dummy version if not
8178         HAVE_POSIX_FALLOCATE.
8179         (Output_file::map): Call posix_fallocate rather than lseek and
8180         write.
8181         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8182         * configure, Makefile.in, config.in: Rebuild.
8183
8184 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8185
8186         * layout.h (Layout::create_note): Add section_name parameter.
8187         * layout.cc (Layout::create_note): Likewise.
8188         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8189
8190 2009-03-17  Ian Lance Taylor  <iant@google.com>
8191
8192         * descriptors.cc: Include "options.h".
8193         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8194         (Descriptors::open): Always use O_CLOEXEC when opening a new
8195         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8196         then set FD_CLOEXEC.
8197
8198         * sparc.cc (class Target_sparc): Add has_got_section.
8199         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8200         make sure we have a GOT section.
8201
8202         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8203         (Target_sparc::Scan::local): Likewise.
8204         (Target_sparc::Scan::global): Likewise.
8205         (Target_sparc::Relocate::relocate): Likewise.
8206         (Target_sparc::Relocate::relocate_tls): Likewise.
8207
8208         * symtab.cc (Symbol_table::define_default_version): New function,
8209         broken out of add_from_object.
8210         (Symbol_table::add_from_object): Call define_default_version.
8211         (Symbol_table::define_special_symbol): Add resolve_oldsym
8212         parameter.  Change all callers.  If the version for a symbol comes
8213         from a version script, resolve it with the symbol with the same
8214         name with no version.  Also add the symbol without a version if
8215         appropriate.
8216         (do_define_in_output_data): If resolving with oldsym, don't delete
8217         sym.
8218         (do_define_in_output_segment): Likewise.
8219         (do_define_as_constant): Likewise.
8220         * symtab.h (class Symbol_table): Update declarations.
8221
8222 2009-03-13  Ian Lance Taylor  <iant@google.com>
8223
8224         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8225         (Read_symbols::requeue): New function.
8226         (Read_symbols::do_read_symbols): If make_elf_object fails because
8227         the target type is not configured, and the file was searched for,
8228         issue a warning and retry with the next directory.
8229         (Add_symbols::run): If the file has an incompatible format, and
8230         it was searched for, requeue the Read_symbols task.  On error,
8231         release the object.
8232         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8233         dirindex parameter to constructor.  Change all callers.  Declare
8234         incompatible_warning and requeue.
8235         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8236         input_argument_ and input_group_ fields.  Add them to
8237         constructor.  Change all callers.
8238         (class Read_script): Add dirindex_ field.  Add it to constructor.
8239         Change all callers.
8240         * archive.cc (Archive::setup): Remove input_objects parameter.
8241         Change all callers.
8242         (Archive::get_file_and_offset): Likewise.
8243         (Archive::read_all_symbols): Likewise.
8244         (Archive::read_symbols): Likewise.
8245         (Archive::get_elf_object_for_member): Remove input_objects
8246         parameter.  Add punconfigured parameter.  Change all callers.
8247         (Archive::add_symbols): Change return type to bool.  Check return
8248         value of include_member.
8249         (Archive::include_all_members): Likewise.
8250         (Archive::include_member): Change return type to bool.  Return
8251         false if first included object has incompatible target.  Set
8252         included_member_ field.
8253         (Add_archive_symbols::run): If add_symbols returns false, requeue
8254         Read_symbols task.
8255         * archive.h (class Archive): Add included_member_ field.
8256         Initialize it in constructor.  Add input_file and searched_for
8257         methods.  Update declarations.
8258         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8259         input_argument_ fields.  Add them to constructor.  Change all
8260         callers.
8261         * script.cc: Include "target-select.h".
8262         (class Parser_closure): Add skip_on_incompatible_target_ and
8263         found_incompatible_target_ fields.  Add
8264         skip_on_incompatible_target parameter to constructor.  Change all
8265         callers.  Add methods skip_on_incompatible_target,
8266         clear_skip_on_incompatible_target, found_incompatible_target, and
8267         set_found_incompatible_target.
8268         (read_input_script): Add dirindex parameter.  Change all callers.
8269         If parser finds an incompatible target, requeue Read_symbols
8270         task.
8271         (script_set_symbol): Clear skip_on_incompatible_target in
8272         closure.
8273         (script_add_assertion, script_parse_option): Likewise.
8274         (script_start_sections, script_add_phdr): Likewise.
8275         (script_check_output_format): New function.
8276         * script.h (read_input_script): Update declaration.
8277         * script-c.h (script_check_output_format): Declare.
8278         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8279         (ignore_cmd): Remove OUTPUT_FORMAT.
8280         * fileread.cc (Input_file::Input_file): Add explicit this.
8281         (Input_file::will_search_for): New function.
8282         (Input_file::open): Add pindex parameter.  Change all callers.
8283         * fileread.h (class Input_file): Add input_file_argument method.
8284         Declare will_search_for.  Update declarations.
8285         * object.cc (make_elf_object): Add punconfigured parameter.
8286         Change all callers.
8287         * object.h (class Object): Make input_file public.  Add
8288         searched_for method.
8289         (make_elf_object): Update declaration.
8290         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8291         restart search.
8292         * dirsearch.h (class Dirsearch): Update declaration.
8293         * options.h (class General_options): Add --warn-search-mismatch.
8294         * parameters.cc (Parameters::is_compatible_target): New function.
8295         * parameters.h (class Parameters): Declare is_compatible_target.
8296         * workqueue.cc (Workqueue::add_blocker): New function.
8297         * workqueue.h (class Workqueue): Declare add_blocker.
8298
8299         * fileread.cc (Input_file::open): Remove options parameter.
8300         Change all callers.
8301         (Input_file::open_binary): Likewise.
8302         * script.cc (read_input_script): Likewise.
8303         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8304         options parameter from constructor.  Change all callers.
8305         (class Read_script): Likewise.
8306         * fileread.h (class Input_file): Update declarations.
8307         * script.h (read_input_script): Update declaration.
8308
8309 2009-03-10  Nick Clifton  <nickc@redhat.com>
8310
8311         * po/es.po: New Spanish translation.
8312
8313 2009-03-06  Cary Coutant  <ccoutant@google.com>
8314
8315         * options.cc (parse_short_option): Keep dash_z from registering itself.
8316
8317 2009-03-03  Ian Lance Taylor  <iant@google.com>
8318
8319         PR 9918
8320         * target-reloc.h (relocate_section): Pass output_section to
8321         relocate.
8322         * i386.cc (Target_i386::should_apply_static_reloc): Add
8323         output_section parameter.  Change all callers.
8324         (Target_i386::Relocate::relocate): Add output_section parameter.
8325         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8326         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8327         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8328         * testsuite/two_file_shared.sh: New script.
8329         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8330         (check_DATA): Add two_file_shared.dbg.
8331         (two_file_shared.dbg): New target.
8332         * testsuite/Makefile.in: Rebuild.
8333
8334 2009-03-01  Ian Lance Taylor  <iant@google.com>
8335
8336         * configure.ac: Check for byteswap.h.
8337         * configure: Rebuild.
8338         * config.in: Rebuild.
8339
8340 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8341
8342         * layout.cc (Layout::find_or_add_kept_section): New function.
8343         (Layout::add_comdat): Removed.
8344         * layout.h (struct Kept_section): Move out of class Layout.
8345         Remove trailing underscores from field names.  Add group_sections
8346         field.  Rename group_ field to is_group.  Change all uses.
8347         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8348         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8349         comdat_groups_ field.
8350         (Sized_relobj::include_section_group): Use
8351         find_or_add_kept_section and Kept_section::group_sections.
8352         (Sized_relobj::include_linkonce_section): Likewise.
8353         * object.cc (class Sized_relobj): Don't define Comdat_group or
8354         Comdat_group_table.  Remove find_comdat_group and
8355         add_comdat_group.  Remove comdat_groups_ field.
8356         * plugin.cc (include_comdat_group): Use
8357         Layout::find_or_add_kept_section.
8358
8359 2009-02-28  Ian Lance Taylor  <iant@google.com>
8360
8361         * README: --gc-sections and map files are now supported.  Document
8362         some build requirements.
8363
8364         PR 6992
8365         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8366         relocatable link set the value of the section symbol to zero.
8367         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8368         relocatable link don't include the section address in the local
8369         symbol value.
8370
8371 2009-02-27  Ian Lance Taylor  <iant@google.com>
8372
8373         PR 6811
8374         * options.h (class Search_directory): Add is_system_directory.
8375         (class General_options): Declare is_in_system_directory.
8376         * options.cc (get_relative_sysroot): Make static.
8377         (get_default_sysroot): Make static.
8378         (General_optoins::is_in_system_directory): New function.
8379         * fileread.cc (Input_file::is_in_system_directory): New function.
8380         * fileread.h (class Input_file): Declare is_in_system_directory.
8381         * object.h (class Object): Add is_in_system_directory.
8382         (class Input_objects): Remove system_library_directory_ field.
8383         * object.cc (Input_objects::add_object): Don't set
8384         system_library_directory_.
8385         (input_objects::found_in_system_library_directory): Remove.
8386         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8387         parameter.  Change all callers.
8388         (Symbol_table::sized_write_globals): Likewise.
8389         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8390         Call Object::is_in_system_directory.
8391         * symtab.h (class Symbol_table): Update declarations.
8392
8393         PR 5990
8394         * descriptors.h (Open_descriptor): Add is_on_stack field.
8395         * descriptors.cc (Descriptors::open): If the descriptor is on the
8396         top of the stack, remove it.  Initialize is_on_stack field.
8397         (Descriptors::release): Only add pod to stack if it is not on the
8398         stack already.
8399         (Descriptors::close_some_descriptor): Clear stack_next and
8400         is_on_stack fields.
8401
8402         PR 7091
8403         * output.cc (Output_section::find_starting_output_address): Rename
8404         from starting_output_address; add PADDR parameter; change return
8405         type.
8406         * output.h (class Output_section): Declare
8407         find_starting_output_address instead of starting_output_address.
8408         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8409         section symbol for which we can't find a merge section.
8410
8411         PR 9836
8412         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8413         hidden or internal, force the symbol to be local.
8414         * resolve.cc (Symbol::override_visibility): Define.
8415         (Symbol::override_base): Use override_visibility.
8416         (Symbol_table::resolve): Likewise.
8417         (Symbol::override_base_with_special): Likewise.
8418         (Symbol_table::override_with_special): If the visibility is hidden
8419         or internal, force the symbol to be local.
8420         * symtab.h (class Symbol): Add set_visibility and
8421         override_visibility.
8422         * testsuite/ver_test_1.sh: New file.
8423         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8424         (check_DATA): Add ver_test_1.syms.
8425         (ver_test_1.syms): New target.
8426         * testsuite/Makefile.in: Rebuild.
8427
8428 2009-02-25  Cary Coutant  <ccoutant@google.com>
8429
8430         * layout.cc (Layout::choose_output_section): Don't rename sections
8431         when using a linker script that has a SECTIONS clause.
8432         * Makefile.in: Regenerate.
8433
8434         * testsuite/Makefile.am (script_test_5.sh): New test case.
8435         * testsuite/Makefile.in: Regenerate.
8436         * testsuite/script_test_5.cc: New file.
8437         * testsuite/script_test_5.sh: New file.
8438         * testsuite/script_test_5.t: New file.
8439
8440 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8441
8442         * archive.cc (Archive::include_member): Update calls to add_symbols.
8443         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8444         the Layout argument.
8445         * dynobj.h (do_add_symbols): Add the Layout argument.
8446         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8447         Layout argument.
8448         * object.h (Object::add_symbols): Add the Layout argument.
8449         (Object::do_add_symbols): Add the Layout argument.
8450         (Sized_relobj::do_add_symbols): Add the Layout argument.
8451         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8452         Unify the two versions.
8453         (Add_plugin_symbols): Remove.
8454         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8455         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8456         (Add_plugin_symbols): Remove.
8457         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8458         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8459         (Add_symbols::run): Make it work with Pulginobj.
8460
8461 2009-02-06  Ian Lance Taylor  <iant@google.com>
8462
8463         * object.cc (Sized_relobj::do_layout): Make info message start
8464         with lower case letter.
8465
8466 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8467
8468         * binary.cc: Fix file comment.
8469
8470         * options.h (enum Incremental_disposition): Define.
8471         (class General_options): Add new options: --incremental,
8472         --incremental_changed, --incremental_unchanged,
8473         --incremental_unknown.  Add incremental_disposition_ and
8474         implicit_incremental_ fields.
8475         (General_options::incremental_disposition): New function.
8476         (class Position_dependent_options): Add incremental_disposition
8477         option.
8478         (Position_dependent_options::copy_from_options): Set incremental
8479         dispositions.
8480         * options.cc (General_options::parse_incremental_changed): New
8481         function.
8482         (General_options::parse_incremental_unchanged): New function.
8483         (General_options::parse_incremental_unknown): New function.
8484         (General_options::General_options): Initialize new fields
8485         incremental_disposition_ and implicit_incremental_.
8486         (General_options::finalize): Check for uasge of --incremental-*
8487         without --incremental.
8488
8489 2009-02-06  Chris Demetriou  <cgd@google.com>
8490
8491         * gold.h (gold_undefined_symbol): Change to take only a Symbol
8492         pointer and to report location as the file name associated with
8493         the symbol.
8494         (gold_undefined_symbol_at_location): New function to replace the
8495         old gold_undefined_symbol functionality.
8496         * target-reloc.h (relocate_section): Update to use
8497         gold_undefined_symbol_at_location.
8498         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8499         Call gold_undefined_symbol function rather than gold_error.
8500         * errors.h (Errors::undefined_symbol): Take location as a
8501         string, rather than calculating it from a relocation.
8502         * errors.cc (Errors::fatal): Print "fatal error:" before the
8503         formatted message.
8504         (Errors::error, Errors::error_at_location): Print "error: "
8505         before the formatted message.
8506         (Errors::undefined_symbol): Take location as a string, rather
8507         than calculating it from a relocation.
8508         (gold_undefined_symbol_at_location): New function akin to
8509         old gold_undefined_symbol, calculates location from relocation.
8510         (gold_undefined_symbol): Change to take only a Symbol pointer
8511         and to report location as the file name associated with the symbol.
8512         * testsuite/debug_msg.sh: Update for changed error messages.
8513         * testsuite/undef_symbol.sh: Likewise.
8514
8515 2009-02-04  Duncan Sands  <baldrick@free.fr>
8516
8517         PR 9812
8518         * reduced_debug_output.h
8519         (Output_reduced_debug_abbrev_section::failed): Use format for
8520         gold_warning.
8521         (Output_reduced_debug_info_section::faild): Likewise.
8522
8523 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
8524
8525         * script.cc (Lazy_demangler): New class.
8526         (Version_script_info::get_symbol_version_helper): Demangle a
8527         symbol only once.
8528
8529 2009-01-29  Cary Coutant  <ccoutant@google.com>
8530
8531         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
8532         to __tls_get_addr.
8533         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8534
8535 2009-01-28  Ian Lance Taylor  <iant@google.com>
8536
8537         * version.cc (version_string): Bump to 1.9.
8538
8539         * gold.h: Include <cstring> and <stdint.h>.
8540         * version.cc: Include <cstdio>.
8541         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
8542         warning.
8543         * reduced_debug_output.cc (insert_into_vector): Rename from
8544         Insert_into_vector; change all callers.  Use Swap_unaligned to
8545         avoid aliasing issue; remove union since it is unnecessary.
8546
8547 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
8548
8549         * Makefile.am (CCFILES): Add gc.cc.
8550         (HFILES): Add gc.h.
8551         * Makefile.in: Regenerate.
8552         * gold.cc (Gc_runner): New class.
8553         (queue_initial_tasks): Call garbage collection related tasks
8554         when corresponding options are invoked.
8555         (queue_middle_gc_tasks): New function.
8556         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
8557         processed early before laying out sections during garbage collection.
8558         * gold.h (queue_middle_gc_tasks): New function.
8559         (is_prefix_of): Move from "layout.cc".
8560         * i386.cc (Target_i386::gc_process_relocs): New function.
8561         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
8562         * main.cc (main): Create object of class "Garbage_collection".
8563         * object.cc (Relobj::copy_symbols_data): New function.
8564         (Relobj::is_section_name_included): New function.
8565         (Sized_relobj::do_layout): Allow this function to be called twice
8566         during garbage collection and defer layout of section during the
8567         first call.
8568         * object.h (Relobj::get_symbols_data): New function.
8569         (Relobj::is_section_name_included): New function.
8570         (Relobj::copy_symbols_data): New function.
8571         (Relobj::set_symbols_data): New function.
8572         (Relobj::get_relocs_data): New function.
8573         (Relobj::set_relocs_data): New function.
8574         (Relobj::is_output_section_offset_invalid): New pure virtual function.
8575         (Relobj::gc_process_relocs): New function.
8576         (Relobj::do_gc_process_relocs): New pure virtual function.
8577         (Relobj::sd_): New data member.
8578         (Sized_relobj::is_output_section_offset_invalid): New function.
8579         (Sized_relobj::do_gc_process_relocs): New function.
8580         * options.h (General_options::gc_sections): Modify to not be a no-op.
8581         (General_options::print_gc_sections): New option.
8582         * plugin.cc (Plugin_finish::run): Remove function call to
8583         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
8584         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
8585         * reloc.cc (Read_relocs::run): Add task to process relocs and
8586         determine unreferenced sections when doing garbage collection.
8587         (Gc_process_relocs): New class.
8588         (Sized_relobj::do_gc_process_relocs): New function.
8589         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
8590         sections that are garbage collected.
8591         * reloc.h (Gc_process_relocs): New class.
8592         * sparc.cc (Target_sparc::gc_process_relocs): New function.
8593         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
8594         symbols whose corresponding sections are garbage collected.
8595         (Symbol_table::Symbol_table): Add new parameter for the garbage
8596         collection object.
8597         (Symbol_table::gc_mark_undef_symbols): New function.
8598         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8599         (Symbol_table::gc_mark_dyn_syms): New function.
8600         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
8601         as garbage.
8602         (Symbol_table::add_from_object): Likewise.
8603         (Symbol_table::add_from_relobj): When building shared objects, do not
8604         treat externally visible symbols as garbage.
8605         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
8606         table information for static and relocatable links.
8607         * symtab.h (Symbol_table::set_gc): New function.
8608         (Symbol_table::gc): New function.
8609         (Symbol_table::gc_mark_undef_symbols): New function.
8610         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8611         (Symbol_table::gc_mark_dyn_syms): New function.
8612         (Symbol_table::gc_): New data member.
8613         * target.h (Sized_target::gc_process_relocs): New pure virtual
8614         function.
8615         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
8616         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
8617
8618 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
8619
8620         * options.h (General_options::gc_sections): Define as a no-op for now.
8621         (General_options::no_keep_memory): Ditto.
8622         (General_options::Bshareable): Define.
8623         * options.cc (General_options::finalize): Honor -Bshareable.
8624
8625 2009-01-20  Andreas Schwab  <schwab@suse.de>
8626
8627         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
8628         read the value in the contents, since we don't use it.  Use the
8629         template endianness when writing.
8630         (Relocate::relocate): Use it for R_PPC_REL16_HA.
8631
8632 2009-01-19  Andreas Schwab  <schwab@suse.de>
8633
8634         * configure.tgt (powerpc64-*): Fix targ_obj.
8635
8636 2009-01-15  Ian Lance Taylor  <iant@google.com>
8637
8638         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8639         local symbols when stripping all symbols.
8640
8641 2009-01-14  Cary Coutant  <ccoutant@google.com>
8642
8643         * output.cc (Output_reloc): Add explicit instantiations.
8644
8645 2009-01-14  Cary Coutant  <ccoutant@google.com>
8646
8647         * archive.cc (Archive::get_elf_object_for_member): Remove call
8648         to File_read::claim_for_plugin.
8649         * descriptors.cc (Descriptors::open): Remove reference to
8650         is_claimed.
8651         (Descriptors::claim_for_plugin): Remove.
8652         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8653         (Descriptors::is_claimed): Remove.
8654         (claim_descriptor_for_plugin): Remove.
8655         * fileread.cc (File_read::claim_for_plugin): Remove.
8656         * fileread.h (File_read::claim_for_plugin): Remove.
8657         (File_read::descriptor): Reopen descriptor if necessary.
8658         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8659         (Plugin_manager::all_symbols_read): Add task parameter. Change
8660         all callers.
8661         (Plugin_manager::get_input_file): New function.
8662         (Plugin_manager::release_input_file): New function.
8663         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8664         corresponding data member.
8665         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8666         and pass to base constructor. Change all callers.
8667         (get_input_file, release_input_file): New functions.
8668         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8669         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8670         (Plugin_manager::all_symbols_read): Add task parameter.
8671         (Plugin_manager::get_input_file): New function.
8672         (Plugin_manager::release_input_file): New function.
8673         (Plugin_manager::task_): New data member.
8674         (Pluginobj::Pluginobj): Add filesize parameter.
8675         (Pluginobj::filename): New function.
8676         (Pluginobj::descriptor): New function.
8677         (Pluginobj::filesize): New function.
8678         (Pluginobj::filesize_): New data member.
8679         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8680         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8681         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8682
8683         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8684         with archive libraries.
8685         * testsuite/Makefile.in: Regenerate.
8686         * testsuite/plugin_test.c (struct sym_info): New type.
8687         (get_input_file, release_input_file): New static variables.
8688         (onload): Capture new transfer vector entries.
8689         (claim_file_hook): Stop reading at end of file according to filesize.
8690         Factor out parsing of readelf output into separate function.
8691         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8692         APIs and get the source file name from the symbol table.  Convert
8693         source file name to corresponding object file name.  Print info
8694         message when adding new input files.
8695         (parse_readelf_line): New function.
8696         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8697         * testsuite/plugin_test_2.sh: Likewise.
8698         * testsuite/plugin_test_3.sh: Likewise.
8699         * testsuite/plugin_test_4.sh: New test case.
8700
8701 2009-01-07  Ian Lance Taylor  <iant@google.com>
8702
8703         * version.cc (version_string): Bump to 1.8.
8704
8705 2008-12-23  Cary Coutant  <ccoutant@google.com>
8706
8707         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8708         * plugin.cc (Plugin_manager::finish): Rename as
8709         layout_deferred_objects.  Move cleanup to separate function.
8710         (Plugin_manager::cleanup): New function.
8711         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8712         separately.
8713         * plugin.h (Plugin_manager::finish): Rename as
8714         layout_deferred_objects.
8715         (Plugin_manager::cleanup): New function.
8716         (Plugin_manager::cleanup_done): New field.
8717
8718 2008-12-23  Cary Coutant  <ccoutant@google.com>
8719
8720         * plugin.cc (is_visible_from_outside): New function.
8721         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8722         so we don't return "IR only" status for exported symbols or -r links.
8723
8724         * testsuite/Makefile.am (plugin_test_3): New test case.
8725         * testsuite/Makefile.in: Regenerate.
8726         * testsuite/plugin_test_3.sh: New file.
8727
8728 2008-12-22  Cary Coutant  <ccoutant@google.com>
8729
8730         * object.cc (Sized_relobj::layout_section): New function.
8731         (Sized_relobj::do_layout): Defer layout of input sections until after
8732         plugin has provided replacement files.
8733         (Sized_relobj::do_layout_deferred_sections): New function.
8734         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8735         (Relobj::layout_deferred_sections): New function.
8736         (Relobj::do_layout_deferred_sections): New function.
8737         (Sized_relobj::do_layout_deferred_sections): New function.
8738         (Sized_relobj::layout_section): New function.
8739         (Sized_relobj::Deferred_layout): New structure.
8740         (Sized_relobj::deferred_layout_): New field.
8741         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8742         Change all callers.  Layout deferred sections.
8743         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8744         references.
8745         (Plugin_hook::run): Move code from do_plugin_hook inline.
8746         (Plugin_hook::do_plugin_hook): Remove.
8747         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8748         (Plugin_manager::finish): Renamed, was cleanup.
8749         (Plugin_manager::should_defer_layout): New function.
8750         (Plugin_manager::add_deferred_layout_object): New function.
8751         (Plugin_manager::Deferred_layout_list): New type.
8752         (Plugin_manager::deferred_layout_objects_): New field.
8753         (Plugin_hook::do_plugin_hook): Remove.
8754
8755 2008-12-17  Ian Lance Taylor  <iant@google.com>
8756
8757         * options.h (class General_options): Add --no case for
8758         --export-dynamic.
8759
8760 2008-12-16  Cary Coutant  <ccoutant@google.com>
8761
8762         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8763         vector.
8764         (Plugin_manager::claim_file): Create plugin object even if
8765         plugin did not call the add_symbols callback.
8766         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8767         asking for more symbols than were added.
8768         * testsuite/Makefile.am (plugin_test_1): Add test case with
8769         no global symbols.
8770         (empty.syms): New target.
8771         * testsuite/Makefile.in: Regenerate.
8772         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8773         message. Don't call add_symbols if no globals.
8774         (all_symbols_read_hook): Don't provide replacement for empty
8775         claimed file.
8776
8777 2008-12-12  Ian Lance Taylor  <iant@google.com>
8778
8779         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8780         r_type == 0 for a local symbol with r_sym == 0.
8781         (scan_relocatable_relocs): Pass r_sym to
8782         local_non_section_strategy.
8783         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8784         r_sym parameter.
8785
8786         * configure.ac: Update test for TLS descriptors: they are
8787         supported as of glibc 2.9.
8788         * configure: Rebuild.
8789
8790 2008-12-11  Ian Lance Taylor  <iant@google.com>
8791
8792         PR 7091
8793         * target-reloc.h (Default_scan_relocatable_relocs): For each
8794         function, map r_type == 0 to RELOC_DISCARD.
8795
8796 2008-12-10  Cary Coutant  <ccoutant@google.com>
8797
8798         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8799         object to override a kept COMDAT group from a plugin object.
8800
8801 2008-12-09  Ian Lance Taylor  <iant@google.com>
8802
8803         PR 7088
8804         * yyscript.y (file_cmd): Handle INPUT.
8805
8806         * testsuite/initpri1.c: Change all declarations to be full
8807         prototypes by adding void, to avoid compiler warnings.
8808
8809 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8810
8811         * options.cc (General_options::parse_plugin_opt): New.
8812         (General_options::add_plugin): The argument now is just the filename.
8813         (General_options::add_plugin_option): New.
8814         * options.h (plugin_opt): New.
8815         (add_plugin): Change argument name.
8816         (add_plugin_option): New.
8817         * plugin.cc (Plugin::load): Don't parse the plugin option.
8818         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8819         (Plugin::add_option): New.
8820         (Plugin::args_): Change type.
8821         (Plugin::filename_): New.
8822         (Plugin_manager::add_plugin_option): New.
8823         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8824         * testsuite/Makefile.in: Regenerate.
8825
8826 2008-12-05  Cary Coutant  <ccoutant@google.com>
8827
8828         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8829         Handle --strip-lto-sections option.
8830         * options.h (strip_lto_sections): New option.
8831
8832 2008-12-01  Cary Coutant  <ccoutant@google.com>
8833
8834         * plugin.cc (ld_plugin_message): Change format parameter to const.
8835         Fix mismatch between new[] and delete.
8836
8837 2008-11-14  Cary Coutant  <ccoutant@google.com>
8838
8839         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8840         instead of -1U.
8841
8842 2008-11-05  Craig Silverstein  <csilvers@google.com>
8843
8844         * options.cc (General_options::parse_dynamic_list): New function.
8845         * options.h (General_options): New flags dynamic_list,
8846         dynamic_list_data, dynamic_list_cpp_new, and
8847         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8848         (General_options::in_dynamic_list): New function.
8849         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8850         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8851         (Lex::can_continue_name): Likewise.
8852         (yylex): Likewise.
8853         (read_script_file): New parameter script_options.
8854         (read_dynamic_list): New function.
8855         (Script_options::define_dynamic_list): New function.
8856         (dynamic_list_keyword_parsecodes): New variable.
8857         (dynamic_list_keywords): New variable.
8858         * script.h (Script_options::define_dynamic_list): New function
8859         prototype.
8860         (read_dynamic_list): New function prototype.
8861         * symtab.cc (strprefix): New macro.
8862         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8863         dynamic_list_data, dynamic_list_cpp_new, and
8864         dynamic_list_cpp_typeinfo.
8865         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8866         (dynamic_list_expr): New rule.
8867         (dynamic_list_nodes): Likewise.
8868         (dynamic_list_node): Likewise.
8869         * testsuite/Makefile.am (dynamic_list): New test.
8870         * testsuite/Makefile.in: Regenerated.
8871         * testsuite/dynamic_list.t: New file.
8872         * testsuite/dynamic_list.sh: New file.
8873
8874 2008-11-05  Craig Silverstein  <csilvers@google.com>
8875
8876         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8877         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8878         (t11_last): Likewise.
8879         * testsuite/ver_test_6.c (main): Likewise.
8880
8881 2008-10-07  Cary Coutant  <ccoutant@google.com>
8882
8883         * options.c (General_options::finalize): Add check for -static and
8884         -shared.
8885         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8886         is not empty.
8887
8888 2008-10-02  Cary Coutant  <ccoutant@google.com>
8889
8890         * plugin.cc (make_sized_plugin_object): Fix conditional
8891         compilation to work when not all targets are enabled.
8892
8893 2008-09-29  Cary Coutant  <ccoutant@google.com>
8894
8895         * archive.cc (Archive::get_file_and_offset): Use filename instead
8896         of name to get library path.
8897         (Archive::include_member): Unlock external member of a thin archive.
8898
8899         * testsuite/Makefile.am (TEST_AR): New variable.
8900         (thin_archive_test_1): New test.
8901         (thin_archive_test_2): New test.
8902         * testsuite/Makefile.in: Regenerate.
8903         * testsuite/thin_archive_main.cc: New file.
8904         * testsuite/thin_archive_test_1.cc: New file.
8905         * testsuite/thin_archive_test_2.cc: New file.
8906         * testsuite/thin_archive_test_3.cc: New file.
8907         * testsuite/thin_archive_test_4.cc: New file.
8908
8909 2008-09-29  Cary Coutant  <ccoutant@google.com>
8910
8911         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8912         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8913         instead of -1U.
8914         (Sized_relobj::do_finalize_local_symbols): Likewise.
8915         (Sized_relobj::map_to_kept_section): Likewise.
8916         * object.h (Sized_relobj::invalid_address): New constant.
8917         (Sized_relobj::do_output_section_offset): Check for invalid_address
8918         and return -1ULL.
8919         * output.cc (Output_reloc::local_section_offset): Use constant
8920         invalid_address instead of -1U.
8921         (Output_reloc::get_address): Likewise.
8922         (Output_section::output_address): Change -1U to -1ULL.
8923         * output.h (Output_reloc::invalid_address): New constant.
8924         * reloc.cc (Sized_relobj::write_sections): Use constant
8925         invalid_address instead of -1U.
8926         (Sized_relobj::relocate_sections): Likewise.
8927         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8928         values for merge sections.
8929         * target-reloc.h (relocate_for_relocatable): Use constant
8930         invalid_address instead of -1U.
8931
8932 2008-09-19  Cary Coutant  <ccoutant@google.com>
8933
8934         Add plugin functionality for link-time optimization (LTO).
8935         * configure.ac (plugins): Add --enable-plugins option.
8936         * configure: Regenerate.
8937         * config.in: Regenerate.
8938         * Makefile.am (LIBDL): New variable.
8939         (CCFILES): Add plugin.cc.
8940         (HFILES): Add plugin.h.
8941         (ldadd_var): Add LIBDL.
8942         * Makefile.in: Regenerate.
8943
8944         * archive.cc: Include "plugin.h".
8945         (Archive::setup): Don't preread archive symbols when using a plugin.
8946         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
8947         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
8948         files.
8949         (Archive::include_member): Add symbols from plugin objects.
8950         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
8951         * descriptors.cc (Descriptors::open): Check for file descriptors
8952         abandoned by plugins.
8953         (Descriptors::claim_for_plugin): New function.
8954         * descriptors.h (Descriptors::claim_for_plugin): New function.
8955         (Open_descriptor::is_claimed): New field.
8956         (claim_descriptor_for_plugin): New function.
8957         * fileread.cc (File_read::claim_for_plugin): New function.
8958         * fileread.h (File_read::claim_for_plugin): New function.
8959         (File_read::descriptor): New function.
8960         * gold.cc: Include "plugin.h".
8961         (queue_initial_tasks): Add task to call plugin hooks for generating
8962         new object files.
8963         * main.cc: Include "plugin.h".
8964         (main): Load plugin libraries.
8965         * object.h (Pluginobj): Declare.
8966         (Object::pluginobj): New function.
8967         (Object::do_pluginobj): New function.
8968         (Object::set_target): New function.
8969         * options.cc: Include "plugin.h".
8970         (General_options::parse_plugin): New function.
8971         (General_options::General_options): Initialize plugins_ field.
8972         (General_options::add_plugin): New function.
8973         * options.h (Plugin_manager): Declare.
8974         (General_options): Add --plugin option.
8975         (General_options::has_plugins): New function.
8976         (General_options::plugins): New function.
8977         (General_options::add_plugin): New function.
8978         (General_options::plugins_): New field.
8979         * plugin.cc: New file.
8980         * plugin.h: New file.
8981         * readsyms.cc: Include "plugin.h".
8982         (Read_symbols::do_read_symbols): Check for archive before checking
8983         for ELF file.  Call plugin hooks to claim files.
8984         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
8985         from a real object file; force override when processing replacement
8986         files.
8987         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
8988         (Symbol::init_base_object): Likewise.
8989         (Symbol::init_base_output_data): Likewise.
8990         (Symbol::init_base_output_segment): Likewise.
8991         (Symbol::init_base_constant): Likewise.
8992         (Symbol::init_base_undefined): Likewise.
8993         (Symbol::output_section): Assert that object is not a plugin.
8994         (Symbol_table::add_from_pluginobj): New function.
8995         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
8996         undefined.
8997         (Symbol_table::sized_write_globals): Likewise.
8998         (Symbol_table::add_from_pluginobj): Instantiate template.
8999         * symtab.h (Sized_pluginobj): Declare.
9000         (Symbol::in_real_elf): New function.
9001         (Symbol::set_in_real_elf): New function.
9002         (Symbol::in_real_elf_): New field.
9003         (Symbol_table::add_from_pluginobj): New function.
9004
9005         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9006         (LIBDL): New variable.
9007         (LDADD): Add LIBDL.
9008         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9009         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9010         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9011         (MOSTLYCLEANFILES): Likewise.
9012         * testsuite/Makefile.in: Regenerate.
9013         * testsuite/plugin_test.c: New file.
9014         * testsuite/plugin_test_1.sh: New file.
9015         * testsuite/plugin_test_2.sh: New file.
9016
9017 2008-09-16  Ian Lance Taylor  <iant@google.com>
9018
9019         * target-reloc.h (relocate_section): Check whether a symbol is
9020         defined by the ABI before reporting an undefined symbol error.
9021         * target.h (Target::is_defined_by_abi): Make parameter const.
9022         (Target::do_is_defined_by_abi): Likewise.
9023         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9024         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9025         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9026         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9027         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9028         * testsuite/Makefile.in: Rebuild.
9029
9030         * fileread.cc (make_view): Add casts to avoid warning.
9031
9032 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9033
9034         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9035         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9036
9037 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9038
9039         * options.h (General_options::output_is_executable): New.
9040         (General_options::output_is_pie): New.
9041         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9042         for shared libraries.
9043         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9044
9045 2008-09-11  Chris Demetriou  <cgd@google.com>
9046
9047         * options.h (origin): New -z option.
9048         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9049         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9050         in DT_FLAGS_1.
9051
9052 2008-09-05  Cary Coutant  <ccoutant@google.com>
9053
9054         * fileread.cc (File_read::make_view): Add check for attempt to map
9055         beyond end of file.
9056
9057 2008-09-05  Cary Coutant  <ccoutant@google.com>
9058
9059         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9060         explicit instantiations.
9061
9062 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9063
9064         PR gold/6858
9065         * options.cc (General_options::finalize): Allow undefined symbols
9066         in shlibs if linking -shared.
9067
9068         PR gold/6859
9069         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9070         symbols as not needing a dynsym entry.
9071
9072 2008-08-20  Craig Silverstein  <csilvers@google.com>
9073
9074         * fileread.cc (File_read::open): Do not lock the file unless it
9075         was successfully opened.
9076
9077 2008-08-14  Cary Coutant  <ccoutant@google.com>
9078
9079         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9080         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9081         * testsuite/tls_test.cc (struct int128): 128-bit struct
9082         for testing TLS relocs with non-zero addend.
9083         (v12): New TLS variable.
9084         (t12): New test.
9085         (t_last): Add check for v12.
9086         * testsuite/tls_test.h (t12): New function.
9087         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9088
9089 2008-08-13  Ian Lance Taylor  <iant@google.com>
9090
9091         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9092         set tls_segment_ or relro_segment_.
9093         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9094         when appropriate.
9095         * output.h (Output_section::clear_is_relro): New function.
9096         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9097         sections specially even when output_data_ is empty.
9098         (Output_segment::maximum_alignment): When first section is relro,
9099         only force alignment for PT_LOAD segments.
9100         * script.cc (script_data_segment_align): New function.
9101         (script_data_segment_relro_end): New function.
9102         * script-c.h (script_data_segment_align): Declare.
9103         (script_data_segment_relro_end): Declare.
9104         * script-sections.h (class Script_sections): Declare
9105         data_segment_align and data_segment_relro_end.  Add fields
9106         segment_align_index_ and saw_relro_end_.
9107         * script-sections.cc (class Sections_element): Add set_is_relro
9108         virtual function.  Add new bool* parameter to place_orphan_here.
9109         Add get_output_section virtual function.
9110         (class Output_section_definition): Add set_is_relro.  Add new
9111         bool* parameter to place_orphan_here.  Add get_output_section.
9112         Add is_relro_ field.
9113         (Output_section_definition::Output_section_definition): Initialize
9114         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9115         and is_relro_ fields.
9116         (Output_section_definition::place_orphan_here): Add is_relro
9117         parameter.
9118         (Output_section_definition::set_section_addresses): Set relro for
9119         output section.
9120         (Output_section_definition::alternate_constraint): Likewise.
9121         (class Orphan_output_section): Add new bool* parameter to
9122         place_orphan_here.  Add get_output_section.
9123         (Orphan_output_section::place_orphan_here): Add is_relro
9124         parameter.
9125         (Script_sections::Script_sections): Initialize
9126         data_segment_align_index_ and saw_relro_end_.
9127         (Script_sections::data_segment_align): New function.
9128         (Script_sections::data_segment_relro_end): New function.
9129         (Script_sections::place_orphan): Set or clear is_relro.
9130         (Script_sections::set_section_addresses): Force alignment of first
9131         TLS section.
9132         * yyscript.y (exp): Call script_data_segment_align and
9133         script_data_segment_relro_end.
9134         * testsuite/relro_script_test.t: New file.
9135         * testsuite/relro_test.cc (using_script): Declare.
9136         (t1, t2): Test using_script.
9137         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9138         (relro_script_test_SOURCES): Define.
9139         (relro_script_test_DEPENDENCIES): Define.
9140         (relro_script_test_LDFLAGS): Define.
9141         (relro_script_test_LDADD): Define.
9142         (relro_script_test.so): New target.
9143         * testsuite/Makefile.in: Rebuild.
9144
9145 2008-08-06  Cary Coutant <ccoutant@google.com>
9146
9147         * archive.cc (Archive::total_archives, Archive::total_members)
9148         (Archive::total_members_loaded): New variables.
9149         (Archive::setup): Add parameter.  Add option to preread
9150         archive symbols.
9151         (Archive::read_armap): Add counter.
9152         (Archive::get_file_and_offset): New function.
9153         (Archive::get_elf_object_for_member): New function.
9154         (Archive::read_all_symbols): New function.
9155         (Archive::read_symbols): New function.
9156         (Archive::add_symbols): Add counters.
9157         (Archive::include_all_members): Use armap to find members if it's
9158         already built.
9159         (Archive::include_member): Skip reading symbols if already read.
9160         Factored code into Archive::get_file_and_offset and
9161         Archive::get_elf_object_for_member.  Changed call to
9162         Mapfile::report_include_archive_member.
9163         (Archive::print_stats): New function.
9164         * archive.h: Declare Object and Read_symbols_data classes.
9165         (Archive::Archive): Add initializers for new members.
9166         (Archive::setup): Add parameter.
9167         (Archive::print_stats): New function.
9168         (Archive::total_archives, Archive::total_members)
9169         (Archive::total_members_loaded): New variables.
9170         (Archive::get_file_and_offset): New function.
9171         (Archive::get_elf_object_for_member): New function.
9172         (Archive::read_all_symbols): New function.
9173         (Archive::read_symbols): New function.
9174         (Archive::Archive_member): New class.
9175         (Archive::members_): New member.
9176         (Archive::num_members_): New member.
9177         * main.cc: Include archive.h.
9178         (main): Call Archive::print_stats.
9179         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9180         archive parameter; member_name is now the fully-decorated name.
9181         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9182         * options.h: (General_options): Add --preread-archive-symbols option.
9183         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9184         Archive::setup.
9185
9186 2008-08-04  Ian Lance Taylor  <iant@google.com>
9187
9188         * symtab.h (Symbol::use_plt_offset): New function.
9189         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9190         * powerpc.cc (Relocate::relocate): Likewise.
9191         * sparc.cc (Relocate::relocate): Likewise.
9192         * x86_64.cc (Relocate::relocate): Likewise.
9193         * testsuite/weak_plt.sh: New test.
9194         * testsuite/weak_plt_main.cc: New test.
9195         * testsuite/weak_plt_shared.cc: New test.
9196         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9197         (check_PROGRAMS): Add weak_plt.
9198         (check_DATA): Add weak_plt_shared.so.
9199         (weak_plt_main_pic.o, weak_plt): New targets.
9200         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9201         * testsuite/Makefile.in: Rebuild.
9202
9203         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9204         gcctestdir/ld.
9205         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9206         * testsuite/Makefile.in: Rebuild.
9207
9208 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9209
9210         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9211         * Makefile.in: Regenerate.
9212         * po/POTFILES.in: Regenerate.
9213
9214 2008-07-29  Ian Lance Taylor  <iant@google.com>
9215
9216         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9217         symbols before other symbols.
9218         * testsuite/script_test_2.cc (test_addr): Declare.
9219         (test_addr_alias): Declare.
9220         (main): Check that test_addr and test_addr_alias have the right
9221         values.
9222         * testsuite/script_test_2.t: Define test_addr_alias and
9223         test_addr.
9224
9225 2008-07-24  Ian Lance Taylor  <iant@google.com>
9226
9227         PR 5990
9228         * descriptors.cc: New file.
9229         * descriptors.h: New file.
9230         * gold-threads.h (class Hold_optional_lock): New class.
9231         * fileread.cc: Include "descriptors.h".
9232         (File_read::~File_read): Release descriptor rather than closing
9233         it.
9234         (File_read::open) [file]: Call open_descriptor rather than open.
9235         Set is_descriptor_opened_.
9236         (File_read::open) [memory]: Assert that descriptor is not open.
9237         (File_read::reopen_descriptor): New function.
9238         (File_read::release): Release descriptor.
9239         (File_read::do_read): Make non-const.  Reopen descriptor.
9240         (File_read::read): Make non-const.
9241         (File_read::make_view): Reopen descriptor.
9242         (File_read::do_readv): Likewise.
9243         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9244         Update declarations.
9245         * layout.cc: Include "descriptors.h".
9246         (Layout::create_build_id): Use open_descriptor rather than open.
9247         * output.cc: Include "descriptors.h".
9248         (Output_file::open): Use open_descriptor rather than open.
9249         * archive.cc (Archive::const_iterator): Change Archive to be
9250         non-const.
9251         (Archive::begin, Archive::end): Make non-const.
9252         (Archive::count_members): Likewise.
9253         * archive.h (class Archive): Update declarations.
9254         * object.h (Object::read): Make non-const.
9255         * Makefile.am (CCFILES): Add descriptors.cc.
9256         (HFILES): Add descriptors.h.
9257         * Makefile.in: Rebuild.
9258
9259         PR 6716
9260         * gold.h: Always include <clocale>.  Add Solaris workarounds
9261         following code in binutils/sysdep.h.
9262
9263         PR 6048
9264         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9265         this->eh_frame_hdr_ is NULL before using it.
9266
9267         * dynobj.cc (Versions::Versions): Update comment.
9268
9269         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9270         the base version name.
9271
9272         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9273         array size plus one.
9274         (Stringpool_template::set_string_offsets): Subtract one from key
9275         before using it as an array index.
9276         (Stringpool_template::get_offset_with_length): Likewise.
9277         (Stringpool_template::write_to_buffer): Likewise.
9278         * stringpool.h (Stringpool_template::get_offset_from_key):
9279         Likewise.
9280
9281 2008-07-23  Ian Lance Taylor  <iant@google.com>
9282
9283         PR 6658
9284         * object.h (Merged_symbol_value::value): Do our best to handle a
9285         negative addend.
9286
9287         PR 6647
9288         * script.cc (Version_script_info::get_versions): Don't add empty
9289         version tag to return value.
9290         (Version_script_info::get_symbol_version_helper): Change return
9291         type to bool.  Add pversion parameter.  Change all callers.
9292         (script_register_vers_node): Don't require a non-NULL tag.
9293         * script.h (class Version_script_info): Update declarations.
9294         (Version_script_info::get_symbol_version): Change return type to
9295         bool.  Add version parameter.  Change all callers.
9296         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9297         handling.  Handle an empty version from a version script.
9298         (Symbol_table::define_special_symbol): Likewise.
9299         * testsuite/ver_test_10.script: New file.
9300         * testsuite/ver_test_10.sh: New file.
9301         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9302         (check_DATA): Add ver_test_10.syms.
9303         (ver_test_10.syms, ver_test_10.so): New target.
9304         * testsuite/Makefile.in: Rebuild.
9305
9306 2008-07-23  Simon Baldwin  <simonb@google.com>
9307
9308         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9309         to zero for undefined symbols from dynamic libraries.
9310
9311 2008-07-23  Ian Lance Taylor  <iant@google.com>
9312
9313         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9314         Change all callers.
9315         * symtab.h (class Symbol_table): Update declaration.
9316         * testsuite/ver_test_9.cc: New file.
9317         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9318         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9319         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9320         (ver_test_9.so, ver_test_9.o): New targets.
9321         * testsuite/Makefile.in: Rebuild.
9322
9323 2008-07-22  Ian Lance Taylor  <iant@google.com>
9324
9325         * options.h (class General_options): Define --check-sections.
9326         * layout.cc (Layout::set_segment_offsets): Handle
9327         --check-sections.
9328
9329         * options.h (class General_options): Define -n/--nmagic and
9330         -N/--omagic.
9331         * options.cc (General_options::finalize): For -n/--nmagic or
9332         -N/--omagic, set -static.
9333         * layout.cc (Layout::attach_allocated_section_to_segment): If
9334         -N/--omagic, don't put read-only and read-write sections in
9335         different segments.
9336         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9337         finding a read-only segment.
9338         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9339         don't set the minimum segment alignment to the common page size,
9340         and don't set the file offset to the address modulo the page size.
9341         * script-sections.cc (Script_sections::create_segments): If
9342         -n/--omagic, don't put read-only and read-write sections in
9343         different segments.
9344
9345         * cref.cc: New file.
9346         * cref.h: New file.
9347         * options.h (class General_options): Add --print-symbol-counts.
9348         * main.cc (main): Issue defined symbol report if requested.
9349         * archive.cc (Archive::interpret_header): Make into a const member
9350         function.
9351         (Archive::add_symbols): Call Input_objects::archive_start and
9352         archive_stop.
9353         (Archive::const_iterator): Define new class.
9354         (Archive::begin, Archive::end): New functions.
9355         (Archive::include_all_members): Rewrite to use iterator.
9356         (Archive::count_members): New function.
9357         * archive.h (class Archive): Update declarations.
9358         (Archive::filename): New function.
9359         * object.cc: Include "cref.h".
9360         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9361         (Sized_relobj::do_get_global_symbol_counts): New function.
9362         (Input_objects::add_object): Add object to cross-referencer.
9363         (Input_objects::archive_start): New function.
9364         (Input_objects::archive_stop): New function.
9365         (Input_objects::print_symbol_counts): New function.
9366         * object.h: Declare Cref and Archive.
9367         (Object::get_global_symbol_counts): New function.
9368         (Object::do_get_global_symbol_counts): New pure virtual function.
9369         (class Sized_relobj): Add defined_count_ field.  Update
9370         declarations.
9371         (class Input_objects): Add cref_ field.  Update constructor.
9372         Update declarations.
9373         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9374         defined_count_.
9375         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9376         symbol counts.
9377         (Sized_dynobj::do_get_global_symbol_counts): New function.
9378         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9379         defined_count_.  Update declarations.  Define Symbols typedef.
9380         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9381         parameter.  Change all callers.
9382         (Symbol_table::add_from_dynobj): Add sympointers and defined
9383         parameters.  Change all callers.
9384         * symtab.h (class Symbol_table): Update declarations.
9385         * Makefile.am (CCFILES): Add cref.cc.
9386         (HFILES): Add cref.h.
9387         * Makefile.in: Rebuild.
9388
9389 2008-07-22  Simon Baldwin  <simonb@google.com>
9390
9391         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9392         to zero when writing undefined symbols.
9393
9394 2008-07-22  Ian Lance Taylor  <iant@google.com>
9395
9396         * output.cc (Output_section::add_input_section): Don't try to
9397         merge empty merge sections.
9398
9399 2008-07-21  Craig Silverstein  <csilvers@google.com>
9400
9401         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9402         Include symbol version in error message.
9403
9404 2008-07-20  Chris Demetriou  <cgd@google.com>
9405
9406         * configure.ac (gold_cv_c_random_seed): New configured variable.
9407         (RANDOM_SEED_CFLAGS): New substituted variable.
9408         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9409         * configure: Rebuild.
9410         * Makefile.in: Likewise.
9411         * testsuite/Makefile.in: Likewise.
9412
9413 2008-07-18  Ian Lance Taylor  <iant@google.com>
9414
9415         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9416         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9417         * testsuite/ver_test_main.cc (main): Call t4.
9418         (t4, t4_2a): Define.
9419         * testsuite/ver_test_2.cc (t4_2): Define.
9420         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9421         * testsuite/ver_test_4.cc (t4_2a): Define.
9422         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9423         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9424
9425 2008-07-17  Ian Lance Taylor  <iant@google.com>
9426
9427         * dynobj.cc (Versions::add_def): If we give an error about a
9428         missing version, go ahead and create the version anyhow.
9429
9430 2008-07-10  Ian Lance Taylor  <iant@google.com>
9431
9432         Handle output sections with more than 0x7fffffff bytes.
9433         * object.h (class Relobj): Change map_to_output_ to
9434         output_sections_, and just keep a section pointer.  Change all
9435         uses.  Move comdat group support to Sized_relobj.
9436         (Relobj::is_section_specially_mapped): Remove.
9437         (Relobj::output_section): Remove poff parameter.  Change all
9438         callers.
9439         (Relobj::output_section_offset): New function.
9440         (Relobj::set_section_offset): Rewrite.
9441         (Relobj::map_to_output): Remove.
9442         (Relobj::output_sections): New function.
9443         (Relobj::do_output_section_offset): New pure virtual function.
9444         (Relobj::do_set_section_offset): Likewise.
9445         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9446         group support from Relobj.  Update declarations.
9447         (Sized_relobj::get_output_section_offset): New function.
9448         (Sized_relobj::do_output_section_offset): New function.
9449         (Sized_relobj::do_set_section_offset): New function.
9450         * object.cc (Relobj::output_section_address): Remove.
9451         (Sized_relobj::Sized_relobj): Initialize new fields.
9452         (Sized_relobj::include_section_group): Cast find_kept_object to
9453         Sized_relobj.
9454         (Sized_relobj::include_linkonce_section): Likewise.
9455         (Sized_relobj::do_layout): Use separate arrays for output section
9456         and output offset.
9457         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9458         output_sections.
9459         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9460         output_sections and section_offsets.
9461         (Sized_relobj::write_local_symbols): Likewise.
9462         (map_to_kept_section): Compute output address directly.
9463         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9464         output_sections and section_offsets.
9465         (Sized_relobj::write_sections): Likewise.
9466         (Sized_relobj::relocate_sections): Likewise.
9467         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9468         * output.h (class Output_reloc): Update declarations.  Change
9469         u2_.relobj to Sized_relobj*.
9470         (class Output_data_reloc): Change add functions to use
9471         Sized_relobj*.
9472         * output.cc (Output_reloc::Output_reloc): Change relobj to
9473         Sized_relobj*.
9474         (Output_reloc::local_section_offset): Change return type to
9475         Elf_Addr.  Use get_output_section_offset.
9476         (Output_reloc::get_address): Likewise.
9477         (Output_section::is_input_address_mapped): Don't call
9478         is_section_specially_mapped.
9479         (Output_section::output_offset): Likewise.
9480         (Output_section::output_address): Likewise.
9481         (Output_section::starting_output_address): Likewise.
9482         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
9483         parameter to Sized_relobj*.
9484         (Copy_relocs::need_copy_reloc): Likewise.
9485         (Copy_relocs::save): Likewise.
9486         * copy-relocs.h (class Copy_relocs): Update declarations.
9487         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
9488         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
9489         * target-reloc.h (relocate_for_relocatable): Change
9490         offset_in_output_section type to Elf_Addr.  Change code that uses
9491         it as well.
9492         * layout.cc (Layout::layout): Always set *off.
9493         * mapfile.cc (Mapfile::print_input_section): Use
9494         output_section_offset.
9495         * i386.cc (Target_i386::copy_reloc): Change object parameter to
9496         Sized_relobj*.
9497         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
9498         * sparc.cc (Target_sparc::copy_reloc): Likewise.
9499         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
9500
9501 2008-07-03  Ian Lance Taylor  <iant@google.com>
9502
9503         * layout.cc (Layout::include_section): Do not discard unrecognized
9504         SHT_STRTAB sections.
9505
9506 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
9507
9508         * script.cc (Lex::can_continue_name): Make '?' allowable in
9509         version-script names.
9510         * testsuite/version_script.map: Change glob pattern to use '?'
9511
9512 2008-06-30  Manish Singh  <yosh@gimp.org>
9513
9514         PR 6585
9515         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
9516         Correct typo.
9517
9518 2008-06-30  Ian Lance Taylor  <iant@google.com>
9519
9520         PR 6660
9521         PR 6682
9522         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
9523         versions]: Don't try to read the value in the contents, since we
9524         don't use it.  Use the template endianness when writing.
9525
9526 2008-06-25  Cary Coutant  <ccoutant@google.com>
9527
9528         * fileread.cc (File_read::make_view): Assert on zero-length view.
9529         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
9530         symbol table when there are no symbols to read.
9531
9532 2008-06-23  Craig Silverstein  <csilvers@google.com>
9533
9534         * version.cc (version_string): Bump to 1.7
9535
9536 2008-06-18  Craig Silverstein  <csilvers@google.com>
9537
9538         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
9539         constant 0xFFFF to type Valtype.
9540         (Powerpc_relocate_functions::rel16_ha): Likewise.
9541
9542 2008-06-17  Ian Lance Taylor  <iant@google.com>
9543
9544         * output.h (Output_section::Input_section): Initialize p2align_ to
9545         zero for Output_section_data constructors.
9546         (Output_section::Input_section::addralign): If not an input
9547         section, return the alignment of the Output_section_data.
9548         * testsuite/copy_test.cc: New file.
9549         * testsuite/copy_test_1.cc: New file.
9550         * testsuite/copy_test_2.cc: New file.
9551         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
9552         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
9553         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
9554         (copy_test_1_pic.o, copy_test_1.so): New targets.
9555         (copy_test_2_pic.o, copy_test_2.so): New targets.
9556         * testsuite/Makefile.in: Rebuild.
9557
9558         * script-sections.cc (Script_sections::place_orphan): Initialize
9559         local variable exact.
9560
9561 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
9562
9563         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
9564
9565 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
9566             David S. Miller  <davem@davemloft.net>
9567
9568         * powerpc.cc: New file.
9569         * Makefile.am (TARGETSOURCES): Add powerpc.cc
9570         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
9571         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
9572         * Makefile.in: Rebuild.
9573
9574 2008-06-09  Ian Lance Taylor  <iant@google.com>
9575
9576         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
9577         <exception>.
9578         (throwing, orig_terminate): New static variables.
9579         (terminate_handler): New static function.
9580         (t2): Set terminate handler.
9581
9582 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
9583
9584         PR 6584
9585         * binary.cc (Binary_to_elf::sized_convert): Fix .data
9586         alignment.
9587
9588 2008-05-30  Cary Coutant  <ccoutant@google.com>
9589
9590         * archive.cc (Archive::include_all_members) Correct to step
9591         over symbol table and extended name table in thin archives.
9592
9593 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
9594
9595         PR 6407
9596         * target-reloc.h (relocate_for_relocatable): Fix new_offset
9597         calculation.
9598
9599 2008-05-28  Caleb Howe  <cshowe@google.com>
9600
9601         * reduced_debug_output.cc: New file.
9602         * reduced_debug_output.h: New file.
9603         * options.h (class General_options): Add --strip-debug-non-line.
9604         * options.cc (General_options::finalize): Add strip_debug_non_line
9605         to the strip heirarchy.
9606         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
9607         fields.
9608         * layout.cc: Include "reduced_debug_output.h".
9609         (Layout::Layout): Initialize new fields.
9610         (line_only_debug_sections): New static array.
9611         (is_lines_only_debug_sections): New static inline function.
9612         (Layout::include_section): Handle --strip-debug-non-line.
9613         (Layout::make_output_section): If --strip-debug-non-line, build
9614         new output sections for .debug_abbrev and .debug_info.
9615         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
9616         gold.  Warn about possible overflow.
9617         (read_signed_LEB_128): Likewise.
9618         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
9619         (read_signed_LEB_128): Declare.
9620         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
9621         (HFILES): Add reduced_debug_output.h.
9622         * Makefile.in: Rebuild.
9623
9624 2008-05-21  Ian Lance Taylor  <iant@google.com>
9625
9626         * mapfile.cc: New file.
9627         * mapfile.h: New file.
9628         * options.h (class General_options): Add -M/--print-map and -Map.
9629         * options.cc (General_options::finalize): Make -M equivalent to
9630         -Map -.
9631         * main.cc: Include <cstdio> and "mapfile.h".
9632         (main): Open mapfile if requested.
9633         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
9634         constructor.  Change caller.
9635         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9636         (queue_middle_tasks): Likewise.
9637         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9638         declarations.
9639         * archive.cc: Include "mapfile.h".
9640         (Archive::add_symbols): Add mapfile parameter.  Change all
9641         callers.  Pass mapfile, symbol, and reason to include_member.
9642         (Archive::include_all_members): Add mapfile parameter.  Change all
9643         callers.
9644         (Archive::include_member): Add mapfile, sym, and why parameters.
9645         Change all callers.  Report inclusion to map file.
9646         * archive.h: Include "fileread.h".
9647         (class Archive): Update declarations.
9648         (Archive::file): New const method.
9649         (class Add_archive_symbols): Add mapfile_ field.  Update
9650         constructor.  Change all callers.
9651         * readsyms.h (class Read_symbols): Likewise.
9652         (class Finish_group): Likewise.
9653         (class Read_script): Likewise.
9654         * common.cc: Include "mapfile.h".
9655         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9656         all callers.
9657         (Symbol_table::do_allocate_commons): Likewise.
9658         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9659         symbol allocation to mapfile.
9660         * common.h (class Allocate_commons_task): Add mapfile_ field.
9661         Update constructor.  Change all callers.
9662         * symtab.h (class Symbol_table): Update declarations.
9663         * layout.cc: Include "mapfile.h".
9664         (Layout_task_runner::run): Print information to mapfile.
9665         (Layout::create_gold_note): Change Output_data_fixed_space to
9666         Output_data_zero_fill.
9667         (Layout::create_build_id): Likewise.
9668         (Layout::print_to_mapfile): New function.
9669         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9670         constructor.  Change caller.
9671         (class Layout): Declare print_to_mapfile.
9672         * output.cc (Output_section::Input_section::print_to_mapfile): New
9673         function.
9674         (Output_section::add_input_section): If producing a map, always
9675         add to input_sections_ list.
9676         (Output_section::do_print_to_mapfile): New function.
9677         (Output_segment::print_sections_to_mapfile): New function.
9678         (Output_segment::print_section_list_to_mapfile): New function.
9679         * output.h: Include "mapfile.h".
9680         (Output_data::print_to_mapfile): New function.
9681         (Output_data::do_print_to_mapfile): New virtual function.
9682         (Output_segment_headers::do_print_to_mapfile): New function.
9683         (Output_file_header::do_print_to_mapfile): New function.
9684         (Output_data_const::do_print_to_mapfile): New function.
9685         (class Output_data_const_buffer): Add map_name_ field.  Update
9686         constructor.  Change all callers.  Add do_print_to_mapfile
9687         function.
9688         (class Output_data_fixed_space): Likewise.
9689         (class Output_data_space): Likewise.
9690         (class Output_data_zero_fill): New class.
9691         (Output_data_strtab::do_print_to_mapfile): New function.
9692         (Output_data_reloc_base::do_print_to_mapfile): New function.
9693         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9694         (Output_data_group::do_print_to_mapfile): New function.
9695         (Output_data_got::do_print_to_mapfile): New function.
9696         (Output_data_dynamic::do_print_to_mapfile): New function.
9697         (Output_symtab_xindex::do_print_to_mapfile): New function.
9698         (class Output_section): Declare do_print_to_mapflie.  Declare
9699         print_to_mapfile in Input_section.
9700         (class Output_segment): Declare new functions.
9701         * object.h (Sized_relobj::symbol_count): New function.
9702         * script-sections.cc
9703         (Output_section_element_dot_assignment::set_section_addresses):
9704         Change Output_data_fixed_space to Output_data_zero_fill.
9705         (Output_data_expression::do_print_to_mapfile): New function.
9706         * script.cc (read_input_script): Add mapfile parameter.  Change
9707         all callers.
9708         * script.h (read_input_script): Update declaration.
9709         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9710         (Eh_frame::do_print_to_mapfile): New function.
9711         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9712         (Output_merge_string::do_print_to_mapfile): New function.
9713         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9714         function.
9715         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9716         function.
9717         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9718         function.
9719         * Makefile.am (CCFILES): Add mapfile.cc.
9720         (HFILES): Add mapfile.h.
9721         * Makefile.in: Rebuild.
9722
9723 2008-05-19  Ian Lance Taylor  <iant@google.com>
9724
9725         * options.h (class General_options): Add -z relro.
9726         * layout.cc (Layout::Layout): Initialize relro_segment_.
9727         (Layout::add_output_section_data): Return the output section.
9728         (Layout::make_output_section): Rcognize relro sections and mark
9729         them appropriately.
9730         (Layout::attach_allocated_section_to_segment): Put relro sections
9731         in a PT_GNU_RELRO segment.
9732         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9733         section as relro.
9734         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9735         PT_TLS segments.
9736         (Layout::linkonce_mapping): Map d.rel.ro.local to
9737         .data.rel.ro.local.
9738         (Layout::output_section_name): Us .data.rel.ro.local for any
9739         section which begins with that.
9740         * layout.h (class Layout): Update add_output_section_data
9741         declaration.  Add relro_segment_ field.
9742         * output.cc (Output_section::Output_section): Initialize is_relro_
9743         and is_relro_local_ fields.
9744         (Output_segment::add_output_section): Group relro sections.
9745         (Output_segment::is_first_section_relro): New function.
9746         (Output_segment::maximum_alignment): If there is a relro section,
9747         align the segment to the common page size.
9748         (Output_segment::set_section_addresses): Track whether we are
9749         looking at relro sections.  If the last section is a relro
9750         section, align to the common page size.
9751         (Output_segment::set_section_list_addresses): Add in_relro
9752         parameter.  Change all callers.  Align to the page size when
9753         moving from relro to non-relro section.
9754         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9755         segment.
9756         * output.h (class Output_section): Add is_relro_ and
9757         is_relro_local_ fields.
9758         (Output_section::is_relro): New function.
9759         (Output_section::set_is_relro): New function.
9760         (Output_section::is_relro_local): New function.
9761         (Output_section::set_is_relro_local): New function.
9762         (class Output_segment): Update declarations.
9763         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9764         * sparc.cc (Target_sparc::got_section): Likewise.
9765         * x86_64.cc (Target_x86_64::got_section): Likewise.
9766         * testsuite/relro_test_main.cc: New file.
9767         * testsuite/relro_test.cc: New file.
9768         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9769         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9770         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9771         (relro_test.so, relro_test_pic.o): New targets.
9772         * testsuite/Makefile.in: Rebuild.
9773
9774 2008-05-16  Ian Lance Taylor  <iant@google.com>
9775
9776         * output.cc (Output_segment::add_output_section): Remove front
9777         parameter.
9778         * output.h (class Output_segment): Remove
9779         add_initial_output_section and overloaded add_output_section.
9780         Update declaration of remaining add_output_section.
9781         * layout.cc (Layout::create_interp): Call add_output_section
9782         rather than add_initial_output_section.
9783         (Layout::finish_dynamic_section): Likewise.
9784
9785         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9786         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9787         know the dynamic type.
9788         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9789         field.  Initialize it in constructor.
9790         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9791         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9792         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9793         reloc.
9794
9795         * output.cc (Output_reloc::get_address): Change return type to
9796         Elf_Addr.
9797         * output.h (class Output_reloc): Update get_address declaration.
9798         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9799         for section addresses.
9800
9801 2008-05-09  Ian Lance Taylor  <iant@google.com>
9802
9803         PR 6493
9804         * gold.cc (gold_nomem): Use return value of write.
9805
9806 2008-05-08  Ian Lance Taylor  <iant@google.com>
9807
9808         * symtab.c (Symbol::init_base_output_data): Add version
9809         parameter.  Change all callers.
9810         (Symbol::init_base_output_segment): Likewise.
9811         (Symbol::init_base_constant): Likewise.
9812         (Symbol::init_base_undefined): Likewise.
9813         (Sized_symbol::init_output_data): Likewise.
9814         (Sized_symbol::init_output_segment): Likewise.
9815         (Sized_symbol::init_constant): Likewise.
9816         (Sized_symbol::init_undefined): Likewise.
9817         (Symbol_table::do_define_in_output_data): If the new symbol has a
9818         version, mark it as the default.
9819         (Symbol_table::do_define_in_output_segment): Likewise.
9820         (Symbol_table::do_define_as_constant): Likewise.
9821         * symtab.h (class Symbol): Update declarations.
9822         (class Sized_symbol): Likewise.
9823         * resolve.cc (Symbol::override_version): New function.
9824         (Symbol::override_base): Call override_version.
9825         (Symbol::override_base_with_special): Likewise.
9826         * testsuite/ver_script_8.script: New file.
9827         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9828         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9829         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9830         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9831
9832 2008-05-06  Ian Lance Taylor  <iant@google.com>
9833
9834         PR 6049
9835         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9836         functions.
9837         (class General_options): Remove existing --undefined, and add
9838         --no-undefined instead.  Add new --undefined as synonym for -u.
9839         * archive.cc (Archive::add_symbols): Check whether symbol was
9840         named with -u.
9841         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9842         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9843         all uses.  Add IS_UNDEFINED.  Update declarations to split
9844         different versions of init_base.  Declare init_base_undefined.
9845         (Symbol::is_defined): Handle IS_UNDEFINED.
9846         (Symbol::is_undefined): Likewise.
9847         (Symbol::is_weak_undefined): Call is_undefined.
9848         (Symbol::is_absolute): Handle IS_CONSTANT.
9849         (class Sized_symbol): Update declarations to split different
9850         versions of init.  Declare init_undefined.
9851         (class Symbol_table): Declare new functions.
9852         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9853         Change all callers.
9854         (Symbol::init_base_output_data): Likewise.
9855         (Symbol::init_base_output_segment): Likewise.
9856         (Symbol::init_base_constant): Likewise.
9857         (Symbol::init_base_undefined): New function.
9858         (Sized_symbol::init_object): Rename from init.  Change all
9859         callers.
9860         (Sized_symbol::init_output_data): Likewise.
9861         (Sized_symbol::init_output_segment): Likewise.
9862         (Sized_symbol::init_constant): Likewise.
9863         (Sized_symbol::init_undefined): New function.
9864         (Symbol_table::add_undefined_symbols_from_command_line): New
9865         function.
9866         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9867         function.
9868         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9869         (Symbol::output_section): Likewise.
9870         (Symbol::set_output_section): Likewise.
9871         (Symbol_table::sized_finalize_symbol): Likewise.
9872         (Symbol_table::sized_write_globals): Likewise.
9873         * resolve.cc (Symbol_table::should_override): Likewise.
9874         (Symbol::override_base_with_special): Likewise.
9875
9876         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9877         symbol, change it to have default visibility.
9878         * testsuite/protected_1.cc: New file.
9879         * testsuite/protected_2.cc: New file.
9880         * testsuite/protected_3.cc: New file.
9881         * testsuite/protected_main_1.cc: New file.
9882         * testsuite/protected_main_2.cc: New file.
9883         * testsuite/protected_main_3.cc: New file.
9884         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9885         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9886         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9887         (protected_1.so): New target.
9888         (protected_1_pic.o, protected_2_pic.o): New targets.
9889         (protected_3_pic.o): New target.
9890         (check_PROGRAMS): Add protected_2.
9891         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9892         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9893         * testsuite/Makefile.in: Rebuild.
9894
9895         * options.h (DEFINE_var): Add set_user_set_##varname__.
9896         (DEFINE_bool_alias): New macro.
9897         (class General_options): Define -Bstatic using DEFINE_bool_alias
9898         rather than DEFINE_special.  Add --undefined as an alias for -z
9899         defs.
9900         * options.cc (General_options::parse_Bstatic): Remove.
9901
9902         * options.h (class General_options): Add --fatal-warnings.
9903         * main.cc (main): Implement --fatal-warnings.
9904         * errors.h (Errors::warning_count): New function.
9905
9906         * options.h (class General_options): Add -Bsymbolic-functions.
9907         * symtab.h (Symbol::is_preemptible): Check for
9908         -Bsymbolic-functions.
9909
9910 2008-05-05  Ian Lance Taylor  <iant@google.com>
9911
9912         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9913         as noVARNAME rather than no-VARNAME.
9914         (class General_options): Add option -z combreloc.
9915         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9916         get_address.
9917         (Output_reloc::sort_before) [SHT_REL]: New function.
9918         (Output_reloc::sort_before) [SHT_RELA]: New function.
9919         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9920         Sort_relocs_comparison.
9921         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9922         parameter.  Change all callers.
9923         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9924         sort_relocs parameter.  Change all callers.
9925         * output.cc (Output_reloc::get_address): New function, broken out
9926         of write_rel.
9927         (Output_reloc::write_rel): Call it.
9928         (Output_reloc::compare): New function.
9929         (Output_data_reloc_base::do_write): Optionally sort relocs.
9930
9931         * configure.ac: If targ_extra_obj is set, link it in.
9932         * configure.tgt: Initialize all variables.
9933         (x86_64*): Set targ_extra_obj and targ_extra_size.
9934         * configure: Rebuild.
9935
9936         * object.cc (Sized_relobj::include_section_group): Adjust section
9937         indexes read from group data.  Build vector to pass to
9938         layout_group.
9939         * layout.cc (Layout::layout_group): Add flags and shndxes
9940         parameters.  Remove contents parameter.  Change caller.  Update
9941         explicit instantiations.
9942         * layout.h (class Layout): Update layout_group declaration.
9943         * output.cc (Output_data_group::Output_data_group): Add flags and
9944         input_shndxes parameters.  Remove contents parameter.  Change
9945         caller.
9946         (Output_data_group::do_write): Change input_sections_ to
9947         input_shndxes_.
9948         * output.h (class Output_data_group): Update constructor
9949         declaration.  Rename input_sections_ to input_shndxes_.
9950         * testsuite/many_sections_test.cc: Add template.
9951
9952 2008-04-30  Cary Coutant  <ccoutant@google.com>
9953
9954         * target-reloc.h (relocate_section): Fix dead-pointer bug.
9955
9956         * layout.cc (Layout::include_section): Refactored check for debug
9957         info section.
9958         (Layout::add_comdat): Add new parameters.  Change type
9959         of signature parameter.  Add object and shndx to signatures table.
9960         (Layout::find_kept_object): New function.
9961         * layout.h: Include <cstring>.
9962         (Layout::is_debug_info_section): New function.
9963         (Layout::add_comdat): Add new parameters.
9964         (Layout::find_kept_object): New function.
9965         (Layout::Kept_section): New struct.
9966         (Layout::Signatures): Change type of map range.
9967         * object.cc (Relobj::output_section_address): New function.
9968         (Sized_relobj::include_section_group): Add new parameters.  Change
9969         calls to Layout::add_comdat.  Change to build table of kept comdat
9970         groups and table mapping discarded sections to kept sections.
9971         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
9972         (Sized_relobj::do_layout): Change calls to include_section_group and
9973         include_linkonce_section.
9974         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
9975         value to zero when section is discarded.
9976         (Sized_relobj::map_to_kept_section): New function.
9977         * object.h (Relobj::output_section_address): New function.
9978         (Relobj::Comdat_group): New type.
9979         (Relobj::find_comdat_group): New function.
9980         (Relobj::Comdat_group_table): New type.
9981         (Relobj::Kept_comdat_section): New type.
9982         (Relobj::Kept_comdat_section_table): New type.
9983         (Relobj::add_comdat_group): New function.
9984         (Relobj::set_kept_comdat_section): New function.
9985         (Relobj::get_kept_comdat_section): New function.
9986         (Relobj::comdat_groups_): New field.
9987         (Relobj::kept_comdat_sections_): New field.
9988         (Symbol_value::input_value): Update comment.
9989         (Sized_relobj::map_to_kept_section) New function.
9990         (Sized_relobj::include_linkonce_section): Add new parameter.
9991         * target-reloc.h (Comdat_behavior): New type.
9992         (get_comdat_behavior): New function.
9993         (relocate_section): Add code to map a discarded section to the
9994         corresponding kept section when applying a relocation.
9995
9996 2008-04-30  Craig Silverstein  <csilvers@google.com>
9997
9998         * dwarf_reader.cc (next_generation_count): New static var.
9999         (Addr2line_cache_entry): New struct.
10000         (addr2line_cache): New static var.
10001         (Dwarf_line_info::one_addr2line): Added caching.
10002         (Dwarf_line_info::clear_addr2line_cache): New function.
10003         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10004         cache-size parameter.
10005         (Dwarf_line_info::one_addr2line_cache): New function.
10006         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10007         new cache-size argument to one_addr2line(), and clear cache.
10008
10009 2008-04-28  Cary Coutant  <ccoutant@google.com>
10010
10011         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10012         R_386_PC8 relocations.
10013
10014 2008-04-23  Ian Lance Taylor  <iant@google.com>
10015
10016         * object.cc (Sized_relobj::include_section_group): Check for
10017         invalid section group.
10018
10019         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10020         header size.
10021
10022         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10023         than read for file header.
10024         * archive.cc (Archive::include_member): Likewise.
10025
10026 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10027
10028         * aclocal.m4: Regenerate.
10029         * configure: Regenerate.
10030
10031 2008-04-19  Ian Lance Taylor  <iant@google.com>
10032
10033         * version.cc (version_string): Bump to 1.6.
10034
10035         * testsuite/Makefile.am (many_sections_r_test): New target.
10036         (many_sections_r_test_SOURCES): Remove.
10037         (many_sections_r_test_DEPENDENCIES): Remove.
10038         (many_sections_r_test_LDFLAGS): Remove.
10039         (many_sections_r_test_LDADD): Remove.
10040
10041         * object.cc (Sized_relobj::do_add_symbols): Always pass
10042         local_symbol_count_ to add_from_relobj.
10043
10044         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10045         every thousand variables.
10046         * testsuite/Makefile.in: Rebuild.
10047
10048         * object.cc (Xindex::initialize_symtab_xindex): New function.
10049         (Xindex::read_symtab_xindex): New function.
10050         (Xindex::sym_xindex_to_shndx): New function.
10051         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10052         available.
10053         (Sized_relobj::do_initialize_xindex): New function.
10054         (Sized_relobj::do_read_symbols): Adjust section links.
10055         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10056         parameter.  Change all callers.
10057         (Sized_relobj::include_section_group): Adjust section links and
10058         symbol section indexes.
10059         (Sized_relobj::do_layout): Adjust section links.
10060         (Sized_relobj::do_count_local_symbols): Adjust section links and
10061         symbol section indexes.
10062         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10063         ordinary and special symbols.
10064         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10065         dynsym_xindex parameters.  Change all callers.  Adjust section
10066         links.  Use SHN_XINDEX when needed.
10067         (Sized_relobj::get_symbol_location_info): Adjust section links.
10068         Don't get fooled by special symbols.
10069         * object.h (class Xindex): Define.
10070         (class Object): Add xindex_ parameter.  Declare virtual functoin
10071         do_initialize_xindex.
10072         (Object::adjust_sym_shndx): New function.
10073         (Object::set_xindex): New protected function.
10074         (class Symbol_value): Add is_ordinary_shndx_ field.
10075         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10076         (Symbol_value::value): Assert ordinary section.
10077         (Symbol_value::initialize_input_to_output_map): Likewise.
10078         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10079         Change all callers.
10080         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10081         all callers.
10082         (class Sized_relobj): Update declarations.
10083         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10084         parameter.  Change all callers.
10085         (Sized_relobj::adjust_shndx): New function.
10086         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10087         field.
10088         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10089         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10090         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10091         (Sized_dynobj::read_dynsym_section): Adjust section links.
10092         (Sized_dynobj::read_dynamic): Likewise.
10093         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10094         section links.
10095         (Sized_dynobj::do_initialize_xindex): New function.
10096         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10097         do_initialize_xindex.
10098         (Sized_dynobj::adjust_shndx): New function.
10099         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10100         dynsym_xindex_ fields.
10101         (Layout::finalize): Add a call to set_section_indexes before
10102         creating the symtab sections.
10103         (Layout::set_section_indexes): Don't do anything if the section
10104         already has a section index.
10105         (Layout::create_symtab_sections): Add shnum parameter.  Change
10106         caller.  Create .symtab_shndx section if needed.
10107         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10108         caller.
10109         (Layout::allocated_output_section_count): New function.
10110         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10111         needed.
10112         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10113         fields.  Update declarations.
10114         (Layout::symtab_xindex): New function.
10115         (Layout::dynsym_xindex): New function.
10116         (class Write_symbols_task): Add layout_ field.
10117         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10118         Change caller.
10119         * output.cc (Output_section_headers::Output_section_headers): Add
10120         shstrtab_section parameter.  Change all callers.
10121         (Output_section_headers::do_sized_write): Store overflow values
10122         for section count and section string table section index in
10123         section header zero.
10124         (Output_file_header::do_sized_write): Check for overflow of
10125         section count and section string table section index.
10126         (Output_symtab_xindex::do_write): New function.
10127         (Output_symtab_xindex::endian_do_write): New function.
10128         * output.h (class Output_section_headers): Add shstrtab_section_.
10129         Update declarations.
10130         (class Output_symtab_xindex): Define.
10131         (Output_section::has_out_shndx): New function.
10132         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10133         field.
10134         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10135         Change all callers.
10136         (Sized_symbol::init): Likewise.
10137         (Symbol::output_section): Check for ordinary symbol.
10138         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10139         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10140         callers.
10141         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10142         Change all callers.  Simplify handling of symbols from sections
10143         not included in the link.
10144         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10145         distinction.
10146         (Weak_alias_sorter::operator()): Assert that symbols are
10147         ordinary.
10148         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10149         distinction.
10150         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10151         parameters.  Change all callers.
10152         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10153         symbol distinction.  Use SHN_XINDEX when needed.
10154         (Symbol_table::write_section_symbol): Add symtab_xindex
10155         parameter.  Change all callers.
10156         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10157         SHN_XINDEX when needed.
10158         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10159         declarations.
10160         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10161         (Symbol::is_defined): Check is_ordinary.
10162         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10163         (Symbol::is_absolute, Symbol::is_common): Likewise.
10164         (class Sized_symbol): Update declarations.
10165         (class Symbol_table): Update declarations.
10166         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10167         parameters.  Change all callers.
10168         (Sized_symbol::override): Likewise.
10169         (Symbol_table::override): Likewise.
10170         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10171         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10172         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10173         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10174         to be in an ordinary section.
10175         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10176         object and is_ordinary parameters.  Change all callers.
10177         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10178         Change all callers.  Don't add undefined or non-ordinary symbols
10179         to reloc_map_.
10180         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10181         Change all callers.
10182         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10183         declarations.
10184         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10185         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10186         (Sized_relobj::relocate_sections): Likewise.
10187         * target-reloc.h (scan_relocs): Adjust section symbol index.
10188         (scan_relocatable_relocs): Likewise.
10189         * i386.cc (Scan::local): Check for ordinary symbols.
10190         * sparc.cc (Scan::local): Likewise.
10191         * x86_64.cc (Scan::local): Likewise.
10192         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10193         to symbol_section_and_value.
10194         * testsuite/many_sections_test.cc: New file.
10195         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10196         (check_PROGRAMS): Add many_sections_test.
10197         (many_sections_test_SOURCES): Define.
10198         (many_sections_test_DEPENDENCIES): Define.
10199         (many_sections_test_LDFLAGS): Define.
10200         (BUILT_SOURCES): Add many_sections_define.h.
10201         (many_sections_define.h): New target.
10202         (BUILT_SOURCES): Add many_sections_check.h.
10203         (many_sections_check.h): New target.
10204         (check_PROGRAMS): Add many_sections_r_test.
10205         (many_sections_r_test_SOURCES): Define.
10206         (many_sections_r_test_DEPENDENCIES): Define.
10207         (many_sections_r_test_LDFLAGS): Define.
10208         (many_sections_r_test_LDADD): Define.
10209         (many_sections_r_test.o): New target.
10210         * testsuite/Makefile.in: Rebuild.
10211
10212 2008-04-17  Cary Coutant  <ccoutant@google.com>
10213
10214         * errors.cc (Errors::info): New function.
10215         (gold_info): New function.
10216         * errors.h (Errors::info): New function.
10217         * gold.h (gold_info): New function.
10218         * object.cc (Input_objects::add_object): Print trace output.
10219         * options.cc (options::parse_set): New function.
10220         (General_options::parse_wrap): Deleted.
10221         (General_options::General_options): Deleted initializer.
10222         * options.h (options::String_set): New typedef.
10223         (options::parse_set): New function.
10224         (DEFINE_set): New macro.
10225         (General_options::wrap): Changed to use DEFINE_set. Changed
10226         callers of any_wrap_symbols and is_wrap_symbol.
10227         (General_options::trace, General_options::trace_symbol):
10228         New options.
10229         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10230         (General_options::wrap_symbols_): Deleted.
10231         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10232
10233 2008-04-17  David S. Miller  <davem@davemloft.net>
10234
10235         * options.cc (General_options::parse_V): New function.
10236         * options.h: Add entries for -V and -Qy.
10237
10238 2008-04-17  Ian Lance Taylor  <iant@google.com>
10239
10240         * common.cc (Symbol_table::allocate_commons): Remove options
10241         parameter.  Change caller.
10242         (Symbol_table::do_allocate_commons): Remove options parameter.
10243         Change caller.  Just call do_allocate_commons_list twice.
10244         (Symbol_table::do_allocate_commons_list): New function, broken out
10245         of do_allocate_commons.
10246         * common.h (class Allocate_commons_task): Remove options_ field.
10247         Update constructor.
10248         * symtab.cc (Symbol_table::Symbol_table): Initialize
10249         tls_commons_.
10250         (Symbol_table::add_from_object): Put TLS common symbols on
10251         tls_commons_ list.
10252         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10253         which are IN_OUTPUT_DATA.
10254         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10255         allocate_commons and do_allocate_commons declarations.  Declare
10256         do_allocate_commons_list.
10257         * gold.cc (queue_middle_tasks): Update creation of
10258         Allocate_commons_task to not pass options.
10259         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10260         (TLS_TEST_C_FLAGS): New variable.
10261         (tls_test_c_pic.o): New target.
10262         (tls_test_shared.so): Link in tls_test_c_pic.o.
10263         (tls_test_c_pic_ie.o): New target.
10264         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10265         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10266         (tls_test_c.o): New target.
10267         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10268         (tls_pic_test_LDADD): Likewise.
10269         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10270         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10271         (tls_test_c_gnu2.o): New target.
10272         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10273         tls_test_c_gnu2.o.
10274         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10275         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10276         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10277         * testsuite/tls_test.cc: Include "config.h".
10278         (t_last): Call t11_last.
10279         * testsuite/tls_test.h (t11, t11_last): Declare.
10280         * testsuite/tls_test_c.c: New file.
10281         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10282         * configure.ac: Check for OpenMP support.
10283         * configure, config.in, Makefile.in: Rebuild.
10284         * testsuite/Makefile.in: Rebuild.
10285
10286 2008-04-16  Cary Coutant  <ccoutant@google.com>
10287
10288         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10289         (Target_i386::tls_base_symbol_defined_): New field.
10290         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10291         (Target_i386::Scan::global): Likewise.
10292         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10293         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10294         (Target_x86_64::tls_base_symbol_defined_): New field.
10295         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10296         (Target_x86_64::Scan::global): Likewise.
10297
10298 2008-04-16  Cary Coutant  <ccoutant@google.com>
10299
10300         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10301         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10302         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10303         building shared libraries.
10304         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10305         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10306         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10307         * testsuite/Makefile.in: Rebuild.
10308         * testsuite/weak_undef.h: New file.
10309         * testsuite/weak_undef_file1.cc: Add extra test cases.
10310         * testsuite/weak_undef_file2.cc: Likewise.
10311         * testsuite/weak_undef_test.cc: Likewise.
10312
10313 2008-04-16  David S. Miller  <davem@davemloft.net>
10314
10315         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10316         Add issued_non_pic_error_ field.  Declare check_non_pic.
10317         (Target_sparc::Scan::check_non_pic): New function.
10318         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10319         (Target_sparc::Scan::global): Likewise.
10320
10321         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10322         * configure: Rebuild.
10323
10324         * options.h (DEFINE_enable): New macro.
10325         (new_dtags): New enable option.
10326         (initfirst, interpose, loadfltr, nodefaultlib,
10327         nodelete, nodlopen, nodump): New -z options.
10328         * layout.cc (Layout:finish_dynamic_section): If new
10329         dtags enabled, emit DT_RUNPATH.  Also, emit a
10330         DT_FLAGS_1 containing any specified -z flags.
10331
10332 2008-04-16  Ian Lance Taylor  <iant@google.com>
10333
10334         * copy-relocs.cc: New file.
10335         * copy-relocs.h: New file.
10336         * reloc.cc: Remove Copy_relocs code.
10337         * reloc.h: Likewise.
10338         * reloc-types.h (struct Reloc_types) [both versions]: Add
10339         get_reloc_addend_noerror.
10340         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10341         variants of add_global which take an addend which must be zero.
10342         * i386.cc: Include "copy-relocs.h".
10343         (class Target_i386): Change type of copy_relocs_ to variable,
10344         update initializer.
10345         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10346         Change all callers.
10347         (Target_i386::do_finalize_sections): Change handling of
10348         copy_relocs_.
10349         * sparc.cc: Include "copy-relocs.h".
10350         (class Target_sparc): Change type of copy_relocs_ to variable,
10351         update initializer.
10352         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10353         Change all callers.
10354         (Target_sparc::do_finalize_sections): Change handling of
10355         copy_relocs_.
10356         * x86_64.cc: Include "copy-relocs.h".
10357         (class Target_x86_64): Change type of copy_relocs_ to variable,
10358         update initializer.
10359         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10360         class.  Change all callers.
10361         (Target_x86_64::do_finalize_sections): Change handling of
10362         copy_relocs_.
10363         * Makefile.am (CCFILES): Add copy-relocs.cc.
10364         (HFILES): Add copy-relocs.h.
10365
10366         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10367
10368         * testsuite/script_test_4.sh: Permit leading zeroes.
10369
10370 2008-04-15  Ian Lance Taylor  <iant@google.com>
10371
10372         * script-sections.cc (Script_sections::create_segments): Use
10373         header_size_adjustment even when there is enough room for the
10374         headers.
10375         * testsuite/script_test_4.sh: New file.
10376         * testsuite/script_test_4.t: New file.
10377         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10378         (check_DATA): Add script_test_4.stdout.
10379         (MOSTLYCLEANFILES): Likewise.
10380         (script_test_4): New target.
10381         (script_test_4.stdout): New target.
10382         * testsuite/Makefile.in: Rebuild.
10383
10384         * sparc.cc: Add definitions for Output_data_plt_sparc class
10385         constants.
10386
10387 2008-04-14  David S. Miller  <davem@davemloft.net>
10388
10389         * sparc.cc: New file.
10390         * Makefile.am (TARGETSOURCES): Add sparc.cc
10391         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10392         * configure.tgt: Document targ_extra_size and
10393         targ_extra_big_endian.  Add entries for sparc-* and
10394         sparc64-*.
10395         * configure.ac: Handle targ_extra_size and
10396         targ_extra_big_endian.
10397         * Makefile.in: Rebuild.
10398         * configure: Likewise.
10399         * po/POTFILES.in: Likewise.
10400         * po/gold.pot: Likewise.
10401
10402 2008-04-14  Ian Lance Taylor  <iant@google.com>
10403
10404         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10405         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10406         in the name/type/flags to section mapping.  Don't call
10407         allocate_output_section.
10408         (Layout::choose_output_section): Change parameter from adjust_name
10409         to is_input_section.  Don't permit input sections after sections
10410         are attached to segments.  Don't call allocate_output_section.
10411         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10412         not write_enable_output_section.
10413         (Layout::make_output_section): Don't push to
10414         unattached_section_list_ nor call attach_to_segment.  Call
10415         attach_section_to_segment if sections are attached.
10416         (Layout::attach_sections_to_segments): New function.
10417         (Layout::attach_section_to_segment): New function.
10418         (Layout::attach_allocated_section_to_segment): Rename from
10419         attach_to_segment.  Remove flags parameter.
10420         (Layout::allocate_output_section): Remove function.
10421         (Layout::write_enable_output_section): Remove function.
10422         * layout.h (class Layout): Update for above changes.  Add new
10423         field sections_are_attached_.
10424         * output.h (Output_section::update_flags_for_input_section): New
10425         function.
10426         * output.cc (Output_section::add_input_section): Call
10427         update_flags_for_input_section.
10428         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10429
10430 2008-04-11  Cary Coutant  <ccoutant@google.com>
10431
10432         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10433         thought unnecessary.
10434         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10435
10436 2008-04-11  Ian Lance Taylor  <iant@google.com>
10437
10438         * output.h (class Output_section_data): Remove inline definition
10439         of set_addralign.
10440         * output.cc (Output_section_data::set_addralign): New function.
10441
10442 2008-04-11  Cary Coutant  <ccoutant@google.com>
10443
10444         Add support for TLS descriptors for i386 and x86_64.
10445         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10446         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10447         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10448         GOT_TYPE_TLS_DESC.
10449         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10450         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10451         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10452         relocations.
10453         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10454         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10455         Fix problem with initial-exec relocations.
10456         (Target_i386::Relocate::relocate_tls): Likewise.
10457         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10458         relaxation.
10459         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10460         support for section-plus-offset dynamic table entries.
10461         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10462         (Output_data_dynamic::Dynamic_entry): Add support for
10463         section-plus-offset dynamic table entries.
10464         (Output_data_dynamic::Classification): Likewise.
10465         (Output_data_dynamic::classification_): Renamed offset_.
10466         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10467         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10468         (Target_x86_64::make_plt_section): New function.
10469         (Target_x86_64::reserve_tlsdesc_entries): New function.
10470         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10471         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10472         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10473         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10474         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10475         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10476         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10477         add extra PLT entry for TLS descriptors.
10478         (Output_data_plt_x86_64::got_): New field.
10479         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
10480         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
10481         fields.
10482         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
10483         descriptors.
10484         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
10485         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
10486         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
10487         R_386_TLS_DESC_CALL relocations.
10488         (Target_x86_64::Scan::global): Likewise.
10489         (Target_x86_64::do_finalize_sections): Add dynamic table entries
10490         for TLS descriptors.
10491         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
10492         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
10493         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
10494         GD-to-IE relaxation.
10495         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
10496         and TLS_DESCRIPTORS.
10497         * Makefile.in: Rebuild.
10498         * configure: Rebuild.
10499         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
10500         (tls_test_shared2.so): New target.
10501         (tls_shared_gd_to_ie_test_SOURCES): New variable.
10502         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
10503         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
10504         (tls_shared_gd_to_ie_test_LDADD): New variable.
10505         (tls_shared_gnu2_gd_to_ie_test): New target.
10506         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
10507         New targets.
10508         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
10509         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
10510         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
10511         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
10512         (tls_shared_gnu2_test): New target.
10513         (tls_test_gnu2_shared.so): New target.
10514         (tls_shared_gnu2_test_SOURCES): New variable.
10515         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
10516         (tls_shared_gnu2_test_LDFLAGS): New variable.
10517         (tls_shared_gnu2_test_LDADD): New variable.
10518         * testsuite/Makefile.in: Rebuild.
10519         * testsuite/Makefile.
10520
10521 2008-04-11  Ian Lance Taylor  <iant@google.com>
10522
10523         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
10524         justsyms.t.
10525         * testsuite/Makefile.in: Rebuild.
10526
10527         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
10528         long.
10529         * testsuite/script_test_2.cc (main): Adjust test.
10530
10531 2008-04-11  David S. Miller  <davem@davemloft.net>
10532             Ian Lance Taylor  <iant@google.com>
10533
10534         * options.h (General_options): Add entries for '-Y' and
10535         '-relax'.
10536         * options.cc (General_options:finalize): If -Y was used, add those
10537         entries to the library path instead of the default "/lib" and
10538         "/usr/lib".
10539
10540 2008-04-11  David S. Miller  <davem@davemloft.net>
10541
10542         * testsuite/justsyms.t: Start at 0x100.
10543         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
10544         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
10545         long.
10546         * testsuite/script_test_2.cc: Adjust string and section length
10547         checks.
10548
10549 2008-04-09  Ian Lance Taylor  <iant@google.com>
10550
10551         PR gold/5996
10552         * script-sections.cc (Sections_element::allocate_to_segment): Add
10553         orphan parameter.
10554         (Output_section_definition::allocate_to_segment): Likewise.
10555         (Orphan_output_section::allocate_to_segment): Likewise.
10556         (Script_sections::attach_sections_using_phdrs_clause): Don't
10557         propagate non-PT_LOAD segments to orphan sections.
10558         * testsuite/Makefile.am (script_test_3.stdout): Generate using
10559         readelf rather than objdump.
10560         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
10561         .interp section and PT_INTERP segment are the same size.
10562         * testsuite/Makefile.in: Rebuild.
10563
10564         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
10565         aliases for symbols defined in the same object.
10566         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
10567         (weak_alias_test_SOURCES): New variable.
10568         (weak_alias_test_DEPENDENCIES): New variable.
10569         (weak_alias_test_LDFLAGS): New variable.
10570         (weak_alias_test_LDADD): New variable.
10571         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
10572         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
10573         (weak_alias_test_3.o): New target.
10574         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
10575         * testsuite/weak_alias_test_main.cc: New file.
10576         * testsuite/weak_alias_test_1.cc: New file.
10577         * testsuite/weak_alias_test_2.cc: New file.
10578         * testsuite/weak_alias_test_3.cc: New file.
10579
10580 2008-04-08  Ian Lance Taylor  <iant@google.com>
10581
10582         * options.h (class General_options): Add --noinhibit-exec option.
10583         * main.cc (main): Check --noinhibit-exec.
10584
10585         * options.h (class General_options): Define --wrap as a special
10586         option.  Add wrap_symbols_ field.
10587         (General_options::any_wrap_symbols): New function.
10588         (General_options::is_wrap_symbol): New function.
10589         * options.cc (General_options::parse_wrap): New function.
10590         (General_options::General_options): Initialize wrap_symbols_.
10591         * symtab.cc (Symbol_table::wrap_symbol): New function.
10592         (Symbol_table::add_from_object): Handle --wrap.
10593         * symtab.h (class Symbol_table): Declare wrap_symbol.
10594         * target.h (Target::wrap_char): New function.
10595         (Target::Target_info): Add wrap_char field.
10596         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
10597         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10598         * testsuite/testfile.cc (Target_test::test_target_info):
10599         Likewise.
10600
10601         * errors.cc (Errors::undefined_symbol): Mention symbol version if
10602         there is one.
10603
10604         * layout.h (class Layout): Add added_eh_frame_data_ field.
10605         * layout.cc (Layout::Layout): Initialize new field.
10606         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
10607         output section until we find a section we merged successfully.
10608         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
10609         that the size be non-zero.
10610
10611         * merge.cc (Object_merge_map::get_output_offset): Remove inline
10612         qualifier.
10613
10614 2008-04-08  Craig Silverstein  <csilvers@google.com>
10615
10616         * configure.ac: Export new conditional variable HAVE_ZLIB.
10617         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
10618         on HAVE_ZLIB.
10619         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
10620         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10621
10622 2008-04-07  Ian Lance Taylor  <iant@google.com>
10623
10624         * version.cc (version_string): Set to "1.5".
10625
10626         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
10627         Add issued_non_pic_error_ field.  Declare check_non_pic.
10628         (Target_x86_64::Scan::check_non_pic): New function.
10629         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
10630         (Target_x86_64::Scan::global): Likewise.
10631
10632         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
10633         addend parameter.  Change caller.  Handle merge sections.
10634         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
10635         Address to Addend.  Don't add in the result of
10636         local_section_offset, pass down the addend and use the returned
10637         value.
10638         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10639         Update declarations of local_section_offset and symbol_value.
10640         * testsuite/two_file_test_1.cc (t18): New function.
10641         * testsuite/two_file_test_2.cc (f18): New function.
10642         * testsuite/two_file_test_main.cc (main): Call t18.
10643         * testsuite/two_file_test.h (t18, f18): Declare.
10644
10645         * configure.ac: Don't test for objdump, c++filt, or readelf.
10646         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10647         conditionals.
10648         (TEST_READELF): New variable.
10649         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10650         (check_PROGRAMS): Add two_file_strip_test.
10651         (two_file_strip_test): New target.
10652         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10653         (two_file_same_shared_strip_test_SOURCES): New variable.
10654         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10655         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10656         (two_file_same_shared_strip_test_LDADD): New variable.
10657         (two_file_shared_strip.so): New target.
10658         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10659         (ver_test_5.syms, ver_test_7.syms): Likewise.
10660         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10661         (strip_test_3.stdout): Use TEST_OBJDUMP.
10662         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10663
10664 2008-04-04  Cary Coutant  <ccoutant@google.com>
10665
10666         * symtab.h (Symbol::is_weak_undefined): New function.
10667         (Symbol::is_strong_undefined): New function.
10668         (Symbol::is_absolute): New function.
10669         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10670         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10671         absolute symbols.
10672         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10673         (weak_undef_test): New target.
10674         * testsuite/Makefile.in: Rebuild.
10675         * testsuite/weak_undef_file1.cc: New file.
10676         * testsuite/weak_undef_file2.cc: New file.
10677         * testsuite/weak_undef_test.cc: New file.
10678
10679 2008-04-03  Craig Silverstein  <csilvers@google.com>
10680
10681         * compressed_output.h (class Output_compressed_section): Use
10682         unsigned buffer.
10683         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10684         add zlib header.
10685         (zlib_compressed_suffix): Removed.
10686         (Output_compressed_section::set_final_data_size): Use unsigned
10687         buffers.
10688         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10689         Fix linker invocation.
10690         (flagstest_o_specialfile_and_compress_debug_sections):
10691         Likewise.
10692         * testsuite/Makefile.in: Regenerated.
10693
10694 2008-04-02  David S. Miller  <davem@davemloft.net>
10695
10696         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10697         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10698
10699 2008-04-02  Craig Silverstein  <csilvers@google.com>
10700
10701         * TODO: New file.
10702
10703 2008-04-02  Ian Lance Taylor  <iant@google.com>
10704
10705         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10706         parameters.  Update for new key type to views_.  Change all
10707         callers.
10708         (File_read::read): Adjust for byteshift in returned view.
10709         (File_read::add_view): New function, broken out of
10710         find_and_make_view.
10711         (File_read::make_view): New function, broken out of
10712         find_and_make_view.
10713         (File_read::find_or_make_view): Add offset and aligned
10714         parameters.  Rewrite accordingly.  Change all callers.
10715         (File_read::get_view): Add offset and aligned parameters.  Adjust
10716         for byteshift in return value.
10717         (File_read::get_lasting_view): Likewise.
10718         * fileread.h (class File_read): Update declarations.
10719         (class File_read::View): Add byteshift_ field.  Add byteshift to
10720         constructor.  Add byteshift method.
10721         * archive.h (Archive::clear_uncached_views): New function.
10722         (Archive::get_view): Add aligned parameter.  Change all callers.
10723         * object.h (Object::get_view): Add aligned parameter.  Change all
10724         callers.
10725         (Object::get_lasting_view): Likewise.
10726
10727         * fileread.cc (File_read::release): Don't call clear_views if
10728         there are multiple objects.
10729         * fileread.h (File_read::clear_uncached_views): New function.
10730         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10731         on the archive.
10732
10733 2008-03-31  Cary Coutant  <ccoutant@google.com>
10734
10735         Add thin archive support.
10736         * archive.cc (Archive::armagt): New const.
10737         (Archive::setup): Remove task parameter and calls to unlock.
10738         (Archive::unlock_nested_archives): New function.
10739         (Archive::read_header): Add nested_off parameter. Change
10740         all callers.
10741         (Archive::interpret_header): Likewise.
10742         (Archive::include_all_members): Change to handle thin
10743         archives.
10744         (Archive::include_member): Likewise.
10745         * archive.h (Archive::Archive): Add new parameters and
10746         initializers.
10747         (Archive::armagt): New const.
10748         (Archive::setup): Remove task parameter.
10749         (Archive::unlock_nested_archives): New function.
10750         (Archive::read_header): Add nested_off parameter.
10751         (Archive::interpret_header): Likewise.
10752         (Archive::Nested_archive_table): New typedef.
10753         (Archive::is_thin_archive_): New field.
10754         (Archive::nested_archives_): New field.
10755         (Archive::options_): New field.
10756         (Archive::dirpath_): New field.
10757         (Archive::task_): New field.
10758         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10759         for thin archives.  Pass additional parameters to
10760         Archive::Archive.  Unlock the archive file after calling
10761         Archive::setup.
10762
10763 2008-03-29  Ian Lance Taylor  <iant@google.com>
10764
10765         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10766         version symbol to be local.
10767         * testsuite/ver_test_4.sh: New file.
10768         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10769         (check_DATA): Add ver_test_4.syms.
10770         (ver_test_4.syms): New target.
10771         * testsuite/Makefile.in: Rebuild.
10772
10773         * output.cc
10774         (Output_section::Input_section_sort_entry::has_priority): New
10775         function.
10776         (Output_section::Input_section_sort_entry::match_file_name): New
10777         function.
10778         (Output_section::Input_section_sort_entry::match_section_name):
10779         Remove.
10780         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10781         Remove.
10782         (Output_section::Input_section_sort_entry::match_section_file):
10783         Remove.
10784         (Output_section::Input_section_sort_compare::operator()): Rewrite
10785         using new Input_section_sort_entry functions.  Sort crtbegin and
10786         crtend first.  Sort sections with no priority before sections with
10787         a priority.
10788         * testsuite/initpri1.c (d3): Check j != 4.
10789         (cd5): New constructor/destructor function.
10790         (main): Check j != 2.
10791
10792         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10793         new symbol when resolving, don't call set_is_default.
10794         * testsuite/ver_test_7.cc: New file.
10795         * testsuite/ver_test_7.sh: New file.
10796         * testsuite/Makefile.am (ver_test_7.so): New target.
10797         (ver_test_7.o): New target.
10798         (check_SCRIPTS): Add ver_test_7.sh.
10799         (check_DATA): Add ver_test_7.syms.
10800         (ver_test_7.syms): New target.
10801
10802 2008-03-28  Ian Lance Taylor  <iant@google.com>
10803
10804         * layout.cc (Layout::layout): If we see an input section with a
10805         name that needs sorting, set the must_sort flag for the output
10806         section.
10807         (Layout::make_output_section): If the name of the output section
10808         indicates that it might require sorting, set the may_sort flag.
10809         * output.h (Output_section::may_sort_attached_input_sections): New
10810         function.
10811         (Output_section::set_may_sort_attached_input_sections): New
10812         function.
10813         (Output_section::must_sort_attached_input_sections): New
10814         function.
10815         (Output_section::set_must_sort_attached_input_sections): New
10816         function.
10817         (class Output_section): Declare Input_section_sort_entry.  Define
10818         Input_section_sort_compare.  Declare
10819         sort_attached_input_sections.  Add new fields:
10820         may_sort_attached_input_sections_,
10821         must_sort_attached_input_sections_,
10822         attached_input_sections_are_sorted_.
10823         * output.cc (Output_section::Output_section): Initialize new
10824         fields.
10825         (Output_section::add_input_section): Add an entry to
10826         input_sections_ if may_sort or must_sort are true.
10827         (Output_section::set_final_data_size): Call
10828         sort_attached_input_sections if necessary.
10829         (Output_section::Input_section_sort_entry): Define new class.
10830         (Output_section::Input_section_sort_compare::operator()): New
10831         function.
10832         (Output_section::sort_attached_input_sections): New function.
10833         * configure.ac: Check whether the compiler supports constructor
10834         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10835         * testsuite/initpri1.c: New file.
10836         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10837         CONSTRUCTOR_PRIORITY.
10838         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10839         (initpri1_LDFLAGS): New variable.
10840         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10841
10842 2008-03-27  Ian Lance Taylor  <iant@google.com>
10843
10844         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10845         * testsuite/common_test_1.c: New file.
10846         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10847         (common_test_1_SOURCES): New variable.
10848         (common_test_1_DEPENDENCIES): New variable.
10849         (common_test_1_LDFLAGS): New variable.
10850
10851         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10852         and commons_ correctly when NAME/VERSION does not override
10853         NAME/NULL.
10854         * testsuite/ver_test_6.c: New file.
10855         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10856         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10857         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10858
10859 2008-03-26  Ian Lance Taylor  <iant@google.com>
10860
10861         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10862         of an undefined symbol from a version script.
10863         * testsuite/Makefile.am (ver_test_5.so): New target.
10864         (ver_test_5.o): New target.
10865         (check_SCRIPTS): Add ver_test_5.sh.
10866         (check_DATA): Add ver_test_5.syms.
10867         (ver_test_5.syms): New target.
10868         * testsuite/ver_test_5.cc: New file.
10869         * testsuite/ver_test_5.script: New file.
10870         * testsuite/ver_test_5.sh: New file.
10871         * Makefile.in, testsuite/Makefile.in: Rebuild.
10872
10873         PR gold/5986
10874         Fix problems building gold with gcc 4.3.0.
10875         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10876         (gold_error_at_location, gold_warning_at_location): Use it.
10877         * configure.ac: Check whether we can compile and use a template
10878         function with a printf attribute.
10879         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10880         when jumping over bytes.
10881         * object.cc: Instantiate Object::read_section_data.
10882         * debug.h: Include <cstring>
10883         * dwarf_reader.cc: Include <algorithm>
10884         * main.cc: Include <cstring>.
10885         * options.cc: Include <cstring>.
10886         * output.cc: Include <cstring>.
10887         * script.cc: Include <cstring>.
10888         * script.h: Include <string>.
10889         * symtab.cc: Include <cstring> and <algorithm>.
10890         * target-select.cc: Include <cstring>.
10891         * version.cc: Include <string>.
10892         * testsuite/testmain.cc: Include <cstdlib>.
10893         * configure, config.in: Rebuild.
10894
10895 2008-03-25  Ian Lance Taylor  <iant@google.com>
10896
10897         * options.cc: Include "../bfd/bfdver.h".
10898         (options::help): Print bug reporting address.
10899
10900         * version.cc (print_version): Adjust output for current value of
10901         BFD_VERSION_STRING.
10902
10903         * NEWS: New file.
10904
10905         * options.cc (options::help): Print list of supported targets.
10906         * target-select.h: Include <vector>.
10907         (class Target_selector): Make machine_, size_, and is_big_endian_
10908         fields const.  Add bfd_name_ and instantiated_target_ fields.
10909         (Target_selector::Target_selector): Add bfd_name parameter.
10910         (Target_selector::recognize): Make non-virtual, call
10911         do_recognize.
10912         (Target_selector::recognize_by_name): Make non-virtual, call
10913         do_recognize_by_name.
10914         (Target_selector::supported_names): New function.
10915         (Target_selector::bfd_name): New function.
10916         (Target_selector::do_instantiate_target): New pure virtual
10917         function.
10918         (Target_selector::do_recognize): New virtual function.
10919         (Target_selector::do_recognize_by_name): New virtual function.
10920         (Target_selector::instantiate_target): New private function.
10921         (supported_target_names): Declare.
10922         * target-select.cc (Target_selector::Target_selector): Update for
10923         new parameter and fields.
10924         (select_target_by_name): Check that the name matches before
10925         calling recognize_by_name.
10926         (supported_target_names): New function.
10927         * i386.cc (class Target_selector_i386): Update Target_selector
10928         constructor call.  Remove recognize and recognize_by_name.  Add
10929         do_instantiate_target.
10930         * x86_64.cc (class Target_selector_x86_64): Likewise.
10931         * testsuite/testfile.cc (class Target_selector_test): Update for
10932         changes to Target_selector.
10933
10934         * README: Rewrite, with some notes on unsupported features.
10935
10936 2008-03-24  Cary Coutant  <ccoutant@google.com>
10937
10938         * i386.cc (Target_i386::Got_type): New enum declaration.
10939         (Target_i386::Scan::local): Updated callers of Output_data_got
10940         member functions.
10941         (Target_i386::Scan::global): Likewise.
10942         (Target_i386::Relocate::relocate): Likewise.
10943         (Target_i386::Relocate::relocate_tls): Likewise.
10944         * object.h (Got_offset_list): New class.
10945         (Sized_relobj::local_has_got_offset): Added got_type parameter.
10946         (Sized_relobj::local_got_offset): Likewise.
10947         (Sized_relobj::set_local_got_offset): Likewise.
10948         (Sized_relobj::local_has_tls_got_offset): Removed.
10949         (Sized_relobj::local_tls_got_offset): Removed.
10950         (Sized_relobj::set_local_tls_got_offset): Removed.
10951         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
10952         * output.cc (Output_data_got::add_global): Added got_type parameter.
10953         (Output_data_got::add_global_with_rel): Likewise.
10954         (Output_data_got::add_global_with_rela): Likewise.
10955         (Output_data_got::add_global_pair_with_rel): New function.
10956         (Output_data_got::add_global_pair_with_rela): New function.
10957         (Output_data_got::add_local): Added got_type parameter.
10958         (Output_data_got::add_local_with_rel): Likewise.
10959         (Output_data_got::add_local_with_rela): Likewise.
10960         (Output_data_got::add_local_pair_with_rel): New function.
10961         (Output_data_got::add_local_pair_with_rela): New function.
10962         (Output_data_got::add_global_tls): Removed.
10963         (Output_data_got::add_global_tls_with_rel): Removed.
10964         (Output_data_got::add_global_tls_with_rela): Removed.
10965         (Output_data_got::add_local_tls): Removed.
10966         (Output_data_got::add_local_tls_with_rel): Removed.
10967         (Output_data_got::add_local_tls_with_rela): Removed.
10968         * output.h (Output_data_got::add_global): Added got_type parameter.
10969         (Output_data_got::add_global_with_rel): Likewise.
10970         (Output_data_got::add_global_with_rela): Likewise.
10971         (Output_data_got::add_global_pair_with_rel): New function.
10972         (Output_data_got::add_global_pair_with_rela): New function.
10973         (Output_data_got::add_local): Added got_type parameter.
10974         (Output_data_got::add_local_with_rel): Likewise.
10975         (Output_data_got::add_local_with_rela): Likewise.
10976         (Output_data_got::add_local_pair_with_rel): New function.
10977         (Output_data_got::add_local_pair_with_rela): New function.
10978         (Output_data_got::add_global_tls): Removed.
10979         (Output_data_got::add_global_tls_with_rel): Removed.
10980         (Output_data_got::add_global_tls_with_rela): Removed.
10981         (Output_data_got::add_local_tls): Removed.
10982         (Output_data_got::add_local_tls_with_rel): Removed.
10983         (Output_data_got::add_local_tls_with_rela): Removed.
10984         * resolve.cc (Symbol::override_base_with_special): Removed
10985         reference to has_got_offset_ field.
10986         * symtab.cc (Symbol::init_fields): Replaced initialization
10987         of got_offset_ with got_offsets_.  Removed initialization
10988         of has_got_offset_
10989         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
10990         (Symbol::got_offset): Likewise.
10991         (Symbol::set_got_offset): Likewise.
10992         (Symbol::has_tls_got_offset): Removed.
10993         (Symbol::tls_got_offset): Removed.
10994         (Symbol::set_tls_got_offset): Removed.
10995         (Symbol::got_offset_): Removed.
10996         (Symbol::tls_mod_got_offset_): Removed.
10997         (Symbol::tls_pair_got_offset_): Removed.
10998         (Symbol::got_offsets_): New field.
10999         (Symbol::has_got_offset): Removed.
11000         (Symbol::has_tls_mod_got_offset): Removed.
11001         (Symbol::has_tls_pair_got_offset): Removed.
11002         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11003         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11004         member functions.
11005         (Target_x86_64::Scan::global): Likewise.
11006         (Target_x86_64::Relocate::relocate): Likewise.
11007         (Target_x86_64::Relocate::relocate_tls): Likewise.
11008
11009 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11010
11011         * yyscript.y: Fix spelling error in comment.
11012
11013 2008-03-24  Ian Lance Taylor  <iant@google.com>
11014
11015         * options.h (class General_options): Define build_id option.
11016         * layout.h (class Layout): Declare write_build_id, create_note,
11017         create_build_id.  Add build_id_note_ member.
11018         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11019         "libiberty.h", "md5.h", "sha1.h".
11020         (Layout::Layout): Initialize eh_frame_data_,
11021         eh_frame_hdr_section_, and build_id_note_.
11022         (Layout::finalize): Call create_build_id.
11023         (Layout::create_note): New function, broken out of
11024         Layout::create_gold_note.
11025         (Layout::create_gold_note): Call create_note.
11026         (Layout::create_build_id): New function.
11027         (Layout::write_build_id): New function.
11028         (Close_task_runner::run): Call write_build_id.
11029
11030         * x86_64.cc: Correct license to GPLv3.
11031
11032 2008-03-23  Ian Lance Taylor  <iant@google.com>
11033
11034         * options.cc: Include "demangle.h".
11035         (parse_optional_string): New function.
11036         (parse_long_option): Handle takes_optional_argument.
11037         (parse_short_option): Update dash_z initializer.  Handle
11038         takes_optional_argument.
11039         (General_options::General_options): Initialize do_demangle_.
11040         (General_options::finalize): Set do_demangle_.  Handle demangling
11041         style.
11042         * options.h (parse_optional_string): Declare.
11043         (struct One_option): Add optional_arg field.  Update constructor.
11044         Update call constructor calls.  Add takes_optional_argument
11045         function.
11046         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11047         (DEFINE_optional_string): Define.
11048         (General_options::demangle): Change from DEFINE_bool to
11049         DEFINE_optional_string.
11050         (General_options::no_demangle): New function.
11051         (General_options::do_demangle): New function.
11052         (General_options::set_do_demangle): New function.
11053         (General_options::execstack_status_): Move definition to end of
11054         class definition.
11055         (General_options::static_): Likewise.
11056         (General_options::do_demangle_): New field.
11057         * object.cc (big_endian>::get_symbol_location_info): Call
11058         Options::do_demangle, not Options::demangle.
11059         * symtab.cc (demangle): Likewise.
11060
11061 2008-03-22  Ian Lance Taylor  <iant@google.com>
11062
11063         * gold.h: Include <cstddef> and <sys/types.h>
11064         * options.h: Include <cstring>.
11065
11066 2008-03-21  Ian Lance Taylor  <iant@google.com>
11067
11068         * Added source code to GNU binutils.