e4c6287593f6645c48269d8866bdbc3f812fc2f5
[external/binutils.git] / gold / ChangeLog
1 2011-06-18  Ian Lance Taylor  <iant@google.com>
2
3         PR gold/12745
4         * layout.cc (Layout::layout_eh_frame): Correct handling of
5         writable .eh_frame section.
6
7 2011-06-17  Ian Lance Taylor  <iant@google.com>
8
9         PR gold/12893
10         * resolve.cc (Symbol_table::resolve): Don't give an error if a
11         symbol is redefined with the exact same object and value.
12
13 2011-06-17  Ian Lance Taylor  <iant@google.com>
14
15         PR gold/12880
16         * layout.h (class Layout): Add interp_segment_ field.
17         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
18         (Layout::attach_allocated_section_to_segment): If making shared
19         library, put .interp section in PT_INTERP segment.
20         (Layout::finalize): Also call create_interp if -dynamic-linker
21         option was used.
22         (Layout::create_interp): Assert that there is no PT_INTERP
23         segment.  If not using a SECTIONS clause, use make_output_section.
24         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
25         * script-sections.cc
26         (Script_sections::create_note_and_tls_segments): If making shared
27         library, put .interp section in PT_INTERP segment.
28
29 2011-06-17  Ian Lance Taylor  <iant@google.com>
30
31         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
32         when making a shared library.
33
34 2011-06-17  Ian Lance Taylor  <iant@google.com>
35
36         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
37         parameter.  Change all callers.  Don't issue warning about PC32
38         against locally defined symbol.
39
40 2011-06-16  Ian Lance Taylor  <iant@google.com>
41
42         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
43         occurs in same object.
44
45 2011-06-14  Alan Modra  <amodra@gmail.com>
46
47         * po/POTFILES.in: Regenerate.
48
49 2011-06-09  Ian Lance Taylor  <iant@google.com>
50
51         * script-sections.cc
52         (Orphan_output_section::set_section_addresses): For a relocatable
53         link set address to 0.
54
55 2011-06-09  Cary Coutant  <ccoutant@google.com>
56
57         PR gold/12804
58         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
59         used with --compress-debug-sections.
60         * gold/object.cc (Sized_relobj_file::do_layout): Report
61         uncompressed size of compressed input sections.
62
63 2011-06-08  Cary Coutant  <ccoutant@google.com>
64
65         PR gold/12804
66         * testsuite/two_file_test_2_v1.cc: Change initialization of
67         v2 to keep it in .data.
68
69 2011-06-07  Cary Coutant  <ccoutant@google.com>
70
71         * common.cc (Symbol_table::do_allocate_commons_list): Call
72         gold_fallback.
73         * errors.cc (Errors::fatal): Adjust call to gold_exit.
74         (Errors::fallback): New function.
75         (gold_fallback): New function.
76         * errors.h (Errors::fallback): New function.
77         * gold.cc (gold_exit): Change status parameter to enum; adjust
78         all callers.
79         (queue_initial_tasks): Call gold_fallback.
80         * gold.h: Include cstdlib.
81         (Exit_status): New enum type.
82         (gold_exit): Change status parameter to enum.
83         (gold_fallback): New function.
84         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
85         (Layout::create_symtab_sections): Likewise.
86         (Layout::create_shdrs): Likewise.
87         * main.cc (main): Adjust call to gold_exit.
88         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
89         (Output_data_got::add_got_entry_pair): Likewise.
90         (Output_section::add_input_section): Likewise.
91         (Output_section::add_output_section_data): Likewise.
92         (Output_segment::set_section_list_addresses): Likewise.
93         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
94
95 2011-06-07  Cary Coutant  <ccoutant@google.com>
96
97         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
98         for incremental links.
99         * output.cc (Output_segment::set_section_list_addresses): Remove
100         FIXME and test for TLS or BSS.
101
102 2011-06-07  Cary Coutant  <ccoutant@google.com>
103
104         * testsuite/Makefile.am: Add incremental_copy_test,
105         incremental_common_test_1.
106         * testsuite/Makefile.in: Regenerate.
107         * testsuite/common_test_1_v1.c: New source file.
108         * testsuite/common_test_1_v2.c: New source file.
109         * testsuite/copy_test_v1.cc: New source file.
110
111 2011-06-07  Cary Coutant  <ccoutant@google.com>
112
113         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
114         update, allocate common from bss section's free list.
115         * incremental-dump.cc (dump_incremental_inputs): Print flag for
116         linker-defined symbols.
117         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
118         Skip GOT and PLT entries that are no longer referenced.
119         (Output_section_incremental_inputs::write_info_blocks): Mark
120         linker-defined symbols.
121         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
122         * output.cc (Output_section::allocate): New function.
123         * output.h (Output_section::allocate): New function.
124         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
125         linker-defined symbols.
126         (Symbol::override_base_with_special): Copy is_predefined_ flag.
127         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
128         (Symbol::init_base_output_data): Likewise.
129         (Symbol::init_base_output_segment): Likewise.
130         (Symbol::init_base_constant): Likewise.
131         (Sized_symbol::init_output_data): Likewise.
132         (Sized_symbol::init_output_segment): Likewise.
133         (Sized_symbol::init_constant): Likewise.
134         (Symbol_table::do_define_in_output_data): Likewise.
135         (Symbol_table::do_define_in_output_segment): Likewise.
136         (Symbol_table::do_define_as_constant): Likewise.
137         * symtab.h (Symbol::is_predefined): New function.
138         (Symbol::init_base_output_data): Add is_predefined parameter.
139         (Symbol::init_base_output_segment): Likewise.
140         (Symbol::init_base_constant): Likewise.
141         (Symbol::is_predefined_): New data member.
142         (Sized_symbol::init_output_data): Add is_predefined parameter.
143         (Sized_symbol::init_output_segment): Likewise.
144         (Sized_symbol::init_constant): Likewise.
145         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
146
147 2011-06-07  Cary Coutant  <ccoutant@google.com>
148
149         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
150         instead of emit_copy_reloc.
151         (Copy_relocs::emit_copy_reloc): Refactor.
152         (Copy_relocs::make_copy_reloc): New function.
153         (Copy_relocs::add_copy_reloc): Remove.
154         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
155         section.
156         (Copy_relocs::make_copy_reloc): New function.
157         (Copy_relocs::add_copy_reloc): Remove.
158         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
159         unchanged input files.
160         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
161         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
162         Reserve BSS space for COPY relocations.
163         (Sized_incremental_binary::do_emit_copy_relocs): New function.
164         (Output_section_incremental_inputs::write_info_blocks): Record
165         whether a symbol is copied from a shared object.
166         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
167         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
168         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
169         (Incremental_input_entry_reader::get_output_symbol_index): Add
170         is_copy parameter.
171         (Incremental_binary::emit_copy_relocs): New function.
172         (Incremental_binary::do_emit_copy_relocs): New function.
173         (Sized_incremental_binary::Sized_incremental_binary): Initialize
174         new data member.
175         (Sized_incremental_binary::add_copy_reloc): New function.
176         (Sized_incremental_binary::do_emit_copy_relocs): New function.
177         (Sized_incremental_binary::Copy_reloc): New struct.
178         (Sized_incremental_binary::Copy_relocs): New typedef.
179         (Sized_incremental_binary::copy_relocs_): New data member.
180         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
181         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
182         * target.h (Sized_target::emit_copy_reloc): New function.
183         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
184
185 2011-06-02  Cary Coutant  <ccoutant@google.com>
186
187         PR gold/12163
188         * gold/archive.cc (Archive::Archive): Initialize new data member.
189         (Archive::include_all_members): Return if archive has already been
190         included.
191         * gold/archive.h (Archive::include_all_members_): New data member.
192
193 2011-06-02  Nick Clifton  <nickc@redhat.com>
194
195         * dynobj.h: Fix spelling mistake in comment.
196         * output.cc: Likewise.
197
198 2011-05-31  Doug Kwan  <dougkwan@google.com>
199             Asier Llano
200
201         PR gold/12826
202         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
203         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
204         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
205         redundant arm_exidx_test.so.
206         * testsuite/Makefile.in: Regenerate.
207         (check_SCRIPTS): Add pr12826.sh
208         (check_DATA): Add pr12826.stdout
209         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
210         * testsuite/pr12826.sh: New file.
211         * testsuite/pr12826_1.s: Ditto.
212         * testsuite/pr12826_1.s: Ditto.
213
214 2011-05-30  Ian Lance Taylor  <iant@google.com>
215
216         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
217         sections.
218
219 2011-05-29  Ian Lance Taylor  <iant@google.com>
220
221         PR gold/12804
222         * testsuite/Makefile.am: Use different file name for two_file_test
223         temporary file for each incremental test.
224         * testsuite/Makefile.in: Rebuild.
225
226 2011-05-29  Ian Lance Taylor  <iant@google.com>
227
228         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
229         binary input file is empty.
230
231 2011-05-27  Ian Lance Taylor  <iant@google.com>
232
233         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
234         (ver_test_9.so): Likewise.
235         * testsuite/Makefile.in: Rebuild.
236
237 2011-05-26 Cary Coutant  <ccoutant@google.com>
238
239         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
240         * incremental.cc (Incremental_inputs::report_input_section): Fix
241         comment, indentation.
242         (Incremental_inputs::report_comdat_group): New function.
243         (Output_section_incremental_inputs::set_final_data_size): Adjust size
244         of data for incremental input file entry.
245         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
246         group count, COMDAT group signatures.
247         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
248         an unchanged input file.
249         * incremental.h (Incremental_object_entry::Incremental_object_entry):
250         Initialize new data member.
251         (Incremental_object_entry::add_comdat_group): New function.
252         (Incremental_object_entry::get_comdat_group_count): New function.
253         (Incremental_object_entry::get_comdat_signature_key): New function.
254         (Incremental_object_entry::groups_): New data member.
255         (Incremental_inputs::report_comdat_group): New function.
256         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
257         data for incremental input file entry.
258         (Incremental_input_entry_reader::get_comdat_group_count): New function.
259         (Incremental_input_entry_reader::get_input_section): Adjust size of
260         data for incremental input file entry.
261         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
262         (Incremental_input_entry_reader::get_comdat_group_signature): New
263         function.
264         * object.cc (Sized_relobj::include_section_group): Report kept
265         COMDAT groups for incremental links.
266
267 2011-05-24  David Meyer  <pdox@google.com>
268
269         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
270         with name parameter.  Add found_name parameter.
271         * fileread.cc (Input_file::find_file): Adjust code accordingly.
272         * dirsearch.h (class Dirsearch): Update declaration.
273
274 2011-05-24  Ian Lance Taylor  <iant@google.com>
275
276         * archive.cc (Library_base::should_include_member): Pull in object
277         from archive if it defines the entry symbol.
278         * parameters.cc (Parameters::entry): New function.
279         * parameters.h (class Parameters): Declare entry.
280         * output.h (class Output_file_header): Remove entry_ field.
281         * output.cc (Output_file_header::Output_file_header): Remove entry
282         parameter.  Change all callers.
283         (Output_file_header::entry): Use parameters->entry.
284         * gold.cc (queue_middle_tasks): Likewise.
285         * plugin.cc (Plugin_hook::run): Likewise.
286
287 2011-05-24 Cary Coutant  <ccoutant@google.com>
288
289         * gold.cc (queue_initial_tasks): Pass incremental base filename
290         to Output_file::open_base_file; don't print error message.
291         * incremental-dump.cc (main): Adjust call to
292         Output_file::open_for_modification.
293         * incremental-dump.cc (main): Likewise.
294         * incremental.cc (Incremental_inputs::report_command_line):
295         Ignore --incremental-base option when comparing command lines.
296         Ignore parameter when given as separate argument.
297         * options.h (class General_options): Add --incremental-base.
298         * output.cc (Output_file::Output_file):
299         (Output_file::open_base_file): Add base_name and writable parameters;
300         read base file into new file; print error message here.
301         (Output_file::map_no_anonymous): Add writable parameter; adjust all
302         callers.
303         * output.h (Output_file::open_for_modification): Rename to...
304         (Output_file::open_base_file): ...this; add base_name and
305         writable parameters; adjust all callers.
306         (Output_file::map_no_anonymous): Add writable parameter; adjust all
307         callers.
308         * testsuite/Makefile.am (incremental_test_4): Test
309         --incremental-base.
310         * testsuite/Makefile.in: Regenerate.
311
312 2011-05-24 Cary Coutant  <ccoutant@google.com>
313
314         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
315         incremental_test_4.
316         * testsuite/Makefile.in: Regenerate.
317         * testsuite/two_file_test_1_v1.cc: New test source file.
318         * testsuite/two_file_test_1b_v1.cc: New test source file.
319         * testsuite/two_file_test_2_v1.cc: New test source file.
320
321 2011-05-24 Cary Coutant  <ccoutant@google.com>
322
323         * dynobj.h (Dynobj::do_dynobj): New function.
324         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
325         flag and soname for shared objects.
326         * incremental.cc (Incremental_inputs::report_object): Make
327         either Incremental_object_entry or Incremental_dynobj_entry; add
328         soname to string table.
329         (Incremental_inputs::report_input_section): Add assertion.
330         (Output_section_incremental_inputs::set_final_data_size): Adjust
331         type of input file entry for shared libraries; adjust size of
332         shared library info entry.
333         (Output_section_incremental_inputs::write_input_files): Write
334         as_needed flag for shared libraries.
335         (Output_section_incremental_inputs::write_info_blocks): Adjust type
336         of input file entry for shared libraries; write soname.
337         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
338         soname from incremental info.
339         * incremental.h (enum Incremental_input_flags): Add
340         INCREMENTAL_INPUT_AS_NEEDED.
341         (Incremental_input_entry::Incremental_input_entry): Initialize new
342         data member.
343         (Incremental_input_entry::set_as_needed): New function.
344         (Incremental_input_entry::as_needed): New function.
345         (Incremental_input_entry::do_dynobj_entry): New function.
346         (Incremental_input_entry::as_needed_): New data member.
347         (Incremental_object_entry::Incremental_object_entry): Don't check
348         for shared library.
349         (Incremental_object_entry::do_type): Likewise.
350         (class Incremental_dynobj_entry): New class.
351         (Incremental_input_entry_reader::as_needed): New function.
352         (Incremental_input_entry_reader::get_soname): New function.
353         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
354         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
355         size of shared library info entry.
356         * layout.cc (Layout::finish_dynamic_section): Don't test for 
357         incremental link when adding DT_NEEDED entries.
358         * object.h (Object::Object): Initialize new data member.
359         (Object::dynobj): New function.
360         (Object::set_as_needed): New function.
361         (Object::as_needed): New function.
362         (Object::do_dynobj): New function.
363         (Object::as_needed_): New data member.
364
365 2011-05-24 Cary Coutant  <ccoutant@google.com>
366
367         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
368         info; adjust display of GOT entries.
369         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
370         vector of input objects; remove file_status_.
371         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
372         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
373         got_plt reader; call target hooks to reserve GOT entries.
374         (Output_section_incremental_inputs::set_final_data_size): Adjust size
375         of input file info header and GOT info entry.
376         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
377         relocation info.
378         (Got_plt_view_info::got_descriptor): Remove.
379         (Got_plt_view_info::sym_index): New data member.
380         (Got_plt_view_info::input_index): New data member.
381         (Local_got_offset_visitor::visit): Write input file index.
382         (Global_got_offset_visitor::visit): Write 0 for input file index.
383         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
384         with sym_index and input_index.
385         (Output_section_incremental_inputs::write_got_plt): Adjust size of
386         incremental info GOT entry; replace got_descriptor with input_index.
387         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
388         map from input file index to object.
389         (Sized_relobj_incr::do_layout): Replace direct data member reference
390         with accessor function.
391         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
392         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
393         Adjust size of input file info header.
394         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
395         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
396         (Incremental_input_entry_reader::get_input_section): Adjust size of
397         input file info header.
398         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
399         of incremental info GOT entry.
400         (Incremental_got_plt_reader::get_got_desc): Remove.
401         (Incremental_got_plt_reader::get_got_symndx): New function.
402         (Incremental_got_plt_reader::get_got_input_index): New function.
403         (Sized_incremental_binary::Sized_incremental_binary): Remove
404         file_status_; add input_objects_.
405         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
406         (Sized_incremental_binary::set_file_is_unchanged): Remove.
407         (Sized_incremental_binary::file_is_unchanged): Remove.
408         (Sized_incremental_binary::set_input_object): New function.
409         (Sized_incremental_binary::input_object): New function.
410         (Sized_incremental_binary::file_status_): Remove.
411         (Sized_incremental_binary::input_objects_): New data member.
412         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
413         references.
414         (Sized_relobj_incr::invalid_address): Move to base class.
415         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
416         class.
417         (Sized_relobj_incr::do_output_section_offset): Likewise.
418         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
419         (Sized_relobj_incr::section_offsets_): Likewise.
420         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
421         function.
422         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
423         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
424         with accessor function.
425         (Sized_relobj_file::do_layout): Likewise.
426         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
427         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
428         (Sized_relobj_file::compute_final_local_value): Replace refs to
429         section_offsets_ with accessor function.
430         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
431         * object.h (Relobj::Relobj): Initialize new data members.
432         (Relobj::add_dyn_reloc): New function.
433         (Relobj::first_dyn_reloc): New function.
434         (Relobj::dyn_reloc_count): New function.
435         (Relobj::first_dyn_reloc_): New data member.
436         (Relobj::dyn_reloc_count_): New data member.
437         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
438         references.
439         (Sized_relobj::Address): New typedef.
440         (Sized_relobj::invalid_address): Move here from child class.
441         (Sized_relobj::Sized_relobj): Initialize new data members.
442         (Sized_relobj::sized_relobj): New function.
443         (Sized_relobj::is_output_section_offset_invalid): Move here from
444         child class.
445         (Sized_relobj::get_output_section_offset): Likewise.
446         (Sized_relobj::local_has_got_offset): Likewise.
447         (Sized_relobj::local_got_offset): Likewise.
448         (Sized_relobj::set_local_got_offset): Likewise.
449         (Sized_relobj::do_for_all_local_got_entries): Likewise.
450         (Sized_relobj::clear_got_offsets): New function.
451         (Sized_relobj::section_offsets): Move here from child class.
452         (Sized_relobj::do_output_section_offset): Likewise.
453         (Sized_relobj::do_set_section_offset): Likewise.
454         (Sized_relobj::Local_got_offsets): Likewise.
455         (Sized_relobj::local_got_offsets_): Likewise.
456         (Sized_relobj::section_offsets_): Likewise.
457         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
458         references.
459         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
460         class.
461         (Sized_relobj_file::sized_relobj): New function
462         (Sized_relobj_file::local_has_got_offset): Move to base class.
463         (Sized_relobj_file::local_got_offset): Likewise.
464         (Sized_relobj_file::set_local_got_offset): Likewise.
465         (Sized_relobj_file::get_output_section_offset): Likewise.
466         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
467         (Sized_relobj_file::do_output_section_offset): Likewise.
468         (Sized_relobj_file::do_set_section_offset): Likewise.
469         (Sized_relobj_file::Local_got_offsets): Likewise.
470         (Sized_relobj_file::local_got_offsets_): Likewise.
471         (Sized_relobj_file::section_offsets_): Likewise.
472         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
473         (all constructors).
474         (set_needs_dynsym_index): Convert relobj to derived class pointer.
475         (Output_reloc::get_symbol_index): Likewise.
476         (Output_reloc::local_section_offset): Likewise.
477         (Output_reloc::get_address): Likewise.
478         (Output_reloc::symbol_value): Likewise.
479         (Output_data_got::reserve_slot): Move to class definition.
480         (Output_data_got::reserve_local): New function.
481         (Output_data_got::reserve_slot_for_global): Remove.
482         (Output_data_got::reserve_global): New function.
483         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
484         (all constructors, two instantiations).
485         (Output_reloc::get_relobj): New function (two instantiations).
486         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
487         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
488         (Output_data_reloc::add_global): Adjust type of relobj.
489         (Output_data_reloc::add_global_relative): Likewise.
490         (Output_data_reloc::add_symbolless_global_addend): Likewise.
491         (Output_data_reloc::add_local): Likewise.
492         (Output_data_reloc::add_local_relative): Likewise.
493         (Output_data_reloc::add_symbolless_local_addend): Likewise.
494         (Output_data_reloc::add_local_section): Likewise.
495         (Output_data_reloc::add_output_section): Likewise.
496         (Output_data_reloc::add_absolute): Likewise.
497         (Output_data_reloc::add_target_specific): Likewise.
498         (Output_data_got::reserve_slot): Move definition here.
499         (Output_data_got::reserve_local): New function.
500         (Output_data_got::reserve_global): New function.
501         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
502         section_offsets_ with accessor function.
503         (Sized_relobj_file::write_sections): Likewise.
504         (Sized_relobj_file::do_relocate_sections): Likewise.
505         * target.h (Sized_target::reserve_local_got_entry): New function.
506         (Sized_target::reserve_global_got_entry): New function.
507         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
508         (Target_x86_64::reserve_global_got_entry): New function.
509         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
510
511 2011-05-23 Cary Coutant  <ccoutant@google.com>
512
513         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
514         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
515         bit when checking got_type.
516         * incremental.cc (Sized_incremental_binary::setup_readers):
517         Store symbol table and string table locations; initialize bit vector
518         of file status flags.
519         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
520         unchanged files.
521         (Sized_incremental_binary::do_process_got_plt): New function.
522         (Sized_incremental_binary::get_symtab_view): Use stored locations.
523         (Output_section_incremental_inputs::set_final_data_size): Record
524         file index for each input file.
525         (Output_section_incremental_inputs::write_got_plt): Store file index
526         instead of input entry offset for each GOT entry.
527         * incremental.h
528         (Incremental_input_entry::Incremental_input_entry): Initialize new
529         data member.
530         (Incremental_input_entry::set_offset): Store file index.
531         (Incremental_input_entry::get_file_index): New function.
532         (Incremental_input_entry::file_index_): New data member.
533         (Incremental_binary::process_got_plt): New function.
534         (Incremental_binary::do_process_got_plt): New function.
535         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
536         data members.
537         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
538         (Sized_incremental_binary::set_file_is_unchanged): New function.
539         (Sized_incremental_binary::file_is_unchanged): New function.
540         (Sized_incremental_binary::do_process_got_plt): New function.
541         (Sized_incremental_binary::file_status_): New data member.
542         (Sized_incremental_binary::main_symtab_loc_): New data member.
543         (Sized_incremental_binary::main_strtab_loc_): New data member.
544         * output.cc (Output_data_got::Got_entry::write): Add case
545         RESERVED_CODE.
546         (Output_data_got::add_global): Call add_got_entry.
547         (Output_data_got::add_global_plt): Likewise.
548         (Output_data_got::add_global_with_rel): Likewise.
549         (Output_data_got::add_global_with_rela): Likewise.
550         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
551         (Output_data_got::add_global_pair_with_rela): Likewise.
552         (Output_data_got::add_local): Call add_got_entry.
553         (Output_data_got::add_local_plt): Likewise.
554         (Output_data_got::add_local_with_rel): Likewise.
555         (Output_data_got::add_local_with_rela): Likewise.
556         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
557         (Output_data_got::add_local_pair_with_rela): Likewise.
558         (Output_data_got::reserve_slot): New function.
559         (Output_data_got::reserve_slot_for_global): New function.
560         (Output_data_got::add_got_entry): New function.
561         (Output_data_got::add_got_entry_pair): New function.
562         (Output_section::add_output_section_data): Edit FIXME.
563         * output.h
564         (Output_section_data_build::Output_section_data_build): New
565         constructor with size parameter.
566         (Output_data_space::Output_data_space): Likewise.
567         (Output_data_got::Output_data_got): Initialize new data member; new
568         constructor with size parameter.
569         (Output_data_got::add_constant): Call add_got_entry.
570         (Output_data_got::reserve_slot): New function.
571         (Output_data_got::reserve_slot_for_global): New function.
572         (class Output_data_got::Got_entry): Add RESERVED_CODE.
573         (Output_data_got::add_got_entry): New function.
574         (Output_data_got::add_got_entry_pair): New function.
575         (Output_data_got::free_list_): New data member.
576         * target.h (Sized_target::init_got_plt_for_update): New function.
577         (Sized_target::register_global_plt_entry): New function.
578         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
579         Initialize new data member; call init; add constructor with PLT count.
580         (Output_data_plt_x86_64::init): New function.
581         (Output_data_plt_x86_64::add_relocation): New function.
582         (Output_data_plt_x86_64::reserve_slot): New function.
583         (Output_data_plt_x86_64::free_list_): New data member.
584         (Target_x86_64::init_got_plt_for_update): New function.
585         (Target_x86_64::register_global_plt_entry): New function.
586         (Output_data_plt_x86_64::add_entry): Allocate from free list for
587         incremental updates.
588         (Output_data_plt_x86_64::add_relocation): New function.
589         * testsuite/object_unittest.cc (Object_test): Set default options.
590
591 2011-05-16  Ian Lance Taylor  <iant@google.com>
592
593         * options.h (class General_options): Make -i a synonym for -r.
594
595 2011-05-16  Ian Lance Taylor  <iant@google.com>
596
597         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
598
599 2011-05-10 Cary Coutant  <ccoutant@google.com>
600
601         * object.cc (Sized_relobj::do_count_local_symbols): Check for
602         strip_all (-s).
603
604 2011-05-06  Ian Lance Taylor  <iant@google.com>
605
606         * layout.cc (Layout::layout): If the output section flags change,
607         update the ordering.
608
609 2011-04-25 Cary Coutant  <ccoutant@google.com>
610
611         * incremental-dump.cc (dump_incremental_inputs): Print local
612         symbol info for each input file.
613         * incremental.cc
614         (Output_section_incremental_inputs::set_final_data_size): Add local
615         symbol info to input file entries in incremental info.
616         (Output_section_incremental_inputs::write_info_blocks): Likewise.
617         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
618         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
619         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
620         implementation.
621         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
622         (Sized_incr_relobj::do_relocate): Write the local symbols.
623         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
624         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
625         Adjust size of input file header.
626         (Incremental_inputs_reader::get_local_symbol_offset): New function.
627         (Incremental_inputs_reader::get_local_symbol_count): New function.
628         (Incremental_inputs_reader::get_input_section): Adjust size of input
629         file header.
630         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
631         (Sized_incr_relobj::This): New typedef.
632         (Sized_incr_relobj::sym_size): New const data member.
633         (Sized_incr_relobj::Local_symbol): New struct.
634         (Sized_incr_relobj::do_output_local_symbol_count): New function.
635         (Sized_incr_relobj::do_local_symbol_offset): New function.
636         (Sized_incr_relobj::local_symbol_count_): New data member.
637         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
638         (Sized_incr_relobj::local_symbol_index_): New data member.
639         (Sized_incr_relobj::local_symbol_offset_): New data member.
640         (Sized_incr_relobj::local_dynsym_offset_): New data member.
641         (Sized_incr_relobj::local_symbols_): New data member.
642         * object.h (Relobj::output_local_symbol_count): New function.
643         (Relobj::local_symbol_offset): New function.
644         (Relobj::do_output_local_symbol_count): New function.
645         (Relobj::do_local_symbol_offset): New function.
646         (Sized_relobj::do_output_local_symbol_count): New function.
647         (Sized_relobj::do_local_symbol_offset): New function.
648
649 2011-04-22  Vladimir Simonov  <sv@sw.ru>
650
651         * descriptors.cc (set_close_on_exec): New function.
652         (Descriptors::open): Use set_close_on_exec.
653         * output.cc (S_ISLNK): Define if not defined.
654
655 2011-04-22 Cary Coutant  <ccoutant@google.com>
656
657         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
658         global symbol map.
659         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
660         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
661         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
662         relocations.
663         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
664         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
665         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
666         * incremental.h
667         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
668         function.
669         (Incremental_binary::apply_incremental_relocs): New function.
670         (Incremental_binary::do_apply_incremental_relocs): New function.
671         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
672         data member.
673         (Sized_incremental_binary::add_global_symbol): New function.
674         (Sized_incremental_binary::global_symbol): New function.
675         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
676         (Sized_incremental_binary::symbol_map_): New data member.
677         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
678         * target.h (Sized_target::apply_relocation): New function.
679         * target-reloc.h (apply_relocation): New function.
680         * x86_64.cc (Target_x86_64::apply_relocation): New function.
681
682 2011-04-22  Doug Kwan  <dougkwan@google.com>
683
684         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
685         flag of a SHT_ARM_EXIDX section.
686         * testsuite/Makefile.am (arm_exidx_test): New test rules.
687         * testsuite/Makefile.in: Regenerate.
688         * testsuite/arm_exidx_test.s: New file.
689         * testsuite/arm_exidx_test.sh: Same.
690
691 2011-04-20 Cary Coutant  <ccoutant@google.com>
692
693         PR gold/12689
694         * archive.h (Incremental_archive_entry::Archive_member):
695         Initialize arg_serial_ (second constructor).
696
697 2011-04-17  Ian Lance Taylor  <iant@google.com>
698
699         * object.cc (Relocate_info::location): Simplify location string.
700         * errors.cc (Errors::error_at_location): Don't print program
701         name.
702         (Errors::warning_at_location): Likewise.
703         (Errors::undefined_symbol): Likewise.
704         * testsuite/debug_msg.sh: Update accordingly.
705
706 2011-04-14 Cary Coutant  <ccoutant@google.com>
707
708         * gold/layout.cc (Layout::symtab_section_offset): New function.
709         * gold/layout.h (Layout::symtab_section_offset): New function.
710         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
711
712 2011-04-12  Ian Lance Taylor  <iant@google.com>
713
714         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
715         with MREMAP_MAYMOVE.
716         * output.h (class Output_file): Add map_is_allocated_ field.
717         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
718         not available, provide stubs.  If mremap is not available, #define
719         it to gold_mremap.
720         (MREMAP_MAYMOVE): Define if not defined.
721         (Output_file::Output_file): Initialize map_is_allocated_.
722         (Output_file::resize): Check map_is_allocated_.
723         (Output_file::map_anonymous): If mmap fails, use malloc.
724         (Output_file::unmap): Don't do anything for an anonymous map.
725         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
726         is not available, provide stubs.
727         (File_read::View::~View): Use free rather than delete[].
728         (File_read::make_view): Use malloc rather than new[].  If mmap
729         fails, use malloc.
730         (File_read::find_or_make_view): Use malloc rather than new[].
731         * gold.h: Remove HAVE_REMAP code.
732         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
733         exists.  Rename mremap to gold_mremap.  If mmap is not available
734         don't do anything.
735         * configure, config.in: Rebuild.
736
737 2011-04-11  Ian Lance Taylor  <iant@google.com>
738
739         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
740         initialize local variable v.
741
742 2011-04-11  Cary Coutant  <ccoutant@google.com>
743
744         * archive.cc (Archive::include_member): Adjust call to
745         report_object.
746         (Add_archive_symbols::run): Track argument serial numbers.
747         (Lib_group::include_member): Likewise.
748         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
749         * archive.h (Incremental_archive_entry::Archive_member):
750         Initialize arg_serial_.
751         (Archive_member::arg_serial_): New data member.
752         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
753         (Sized_dynobj::do_add_symbols): Track symbols when doing an
754         incremental link.
755         (Sized_dynobj::do_for_all_local_got_entries): New function.
756         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
757         function.
758         * fileread.cc (get_mtime): New function.
759         * fileread.h (get_mtime): New function.
760         * gold.cc (queue_initial_tasks): Check for incremental update.
761         (process_incremental_input): New function.
762         (queue_middle_tasks): Don't force valid target for incremental
763         update.
764         * incremental-dump.cc (find_input_containing_global): Adjust
765         size of symbol info entry.
766         (dump_incremental_inputs): Dump argument serial number and
767         in_system_directory flag; bias shndx by 1; print symbol names
768         when dumping per-file symbol lists; use new symbol info readers.
769         * incremental.cc
770         (Output_section_incremental_inputs:update_data_size): New function.
771         (Sized_incremental_binary::setup_readers): Setup input readers
772         for each input file; build maps for files added from libraries
773         and scripts.
774         (Sized_incremental_binary::check_input_args): New function.
775         (Sized_incremental_binary::do_check_inputs): Build map of argument
776         serial numbers to input arguments.
777         (Sized_incremental_binary::do_file_has_changed): Rename
778         do_file_is_unchanged to this; compare file modification times.
779         (Sized_incremental_binary::do_init_layout): New function.
780         (Sized_incremental_binary::do_reserve_layout): New function.
781         (Sized_incremental_binary::do_get_input_reader): Remove.
782         (Sized_incremental_binary::get_symtab_view): New function.
783         (Incremental_checker::can_incrementally_link_output_file): Remove.
784         (Incremental_inputs::report_command_line): Exclude --debug options.
785         (Incremental_inputs::report_archive_begin): Add parameter; track
786         argument serial numbers; don't put input file entry for archive
787         before archive members.
788         (Incremental_inputs::report_archive_end): Put input file entry
789         for archive after archive members.
790         (Incremental_inputs::report_object): Add parameter; track argument
791         serial numbers and in_system_directory flag.
792         (Incremental_inputs::report_script): Add parameter; track argument
793         serial numbers.
794         (Output_section_incremental_inputs::set_final_data_size): Adjust
795         size of symbol info entry; check for forwarding symbols.
796         (Output_section_incremental_inputs::write_input_files): Write
797         in_system_directory flag and argument serial number.
798         (Output_section_incremental_inputs::write_info_blocks): Map section
799         indices between incremental info and original input file; store
800         input section index for each symbol.
801         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
802         change operator() to visit().
803         (class Global_got_offset_visitor): Likewise.
804         (class Global_symbol_visitor_got_plt):
805         (Output_section_incremental_inputs::write_got_plt): Use new visitor
806         classes.
807         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
808         (Sized_incr_relobj::do_read_symbols): New function.
809         (Sized_incr_relobj::do_layout): New function.
810         (Sized_incr_relobj::do_layout_deferred_sections): New function.
811         (Sized_incr_relobj::do_add_symbols): New function.
812         (Sized_incr_relobj::do_should_include_member): New function.
813         (Sized_incr_relobj::do_for_all_global_symbols): New function.
814         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
815         (Sized_incr_relobj::do_section_size): New function.
816         (Sized_incr_relobj::do_section_name): New function.
817         (Sized_incr_relobj::do_section_contents): New function.
818         (Sized_incr_relobj::do_section_flags): New function.
819         (Sized_incr_relobj::do_section_entsize): New function.
820         (Sized_incr_relobj::do_section_address): New function.
821         (Sized_incr_relobj::do_section_type): New function.
822         (Sized_incr_relobj::do_section_link): New function.
823         (Sized_incr_relobj::do_section_info): New function.
824         (Sized_incr_relobj::do_section_addralign): New function.
825         (Sized_incr_relobj::do_initialize_xindex): New function.
826         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
827         (Sized_incr_relobj::do_read_relocs): New function.
828         (Sized_incr_relobj::do_gc_process_relocs): New function.
829         (Sized_incr_relobj::do_scan_relocs): New function.
830         (Sized_incr_relobj::do_count_local_symbols): New function.
831         (Sized_incr_relobj::do_finalize_local_symbols): New function.
832         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
833         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
834         (Sized_incr_relobj::do_relocate): New function.
835         (Sized_incr_relobj::do_set_section_offset): New function.
836         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
837         (Sized_incr_dynobj::do_read_symbols): New function.
838         (Sized_incr_dynobj::do_layout): New function.
839         (Sized_incr_dynobj::do_add_symbols): New function.
840         (Sized_incr_dynobj::do_should_include_member): New function.
841         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
842         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
843         (Sized_incr_dynobj::do_section_size): New function.
844         (Sized_incr_dynobj::do_section_name): New function.
845         (Sized_incr_dynobj::do_section_contents): New function.
846         (Sized_incr_dynobj::do_section_flags): New function.
847         (Sized_incr_dynobj::do_section_entsize): New function.
848         (Sized_incr_dynobj::do_section_address): New function.
849         (Sized_incr_dynobj::do_section_type): New function.
850         (Sized_incr_dynobj::do_section_link): New function.
851         (Sized_incr_dynobj::do_section_info): New function.
852         (Sized_incr_dynobj::do_section_addralign): New function.
853         (Sized_incr_dynobj::do_initialize_xindex): New function.
854         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
855         (make_sized_incremental_object): New function.
856         (Incremental_library::copy_unused_symbols): New function.
857         (Incremental_library::do_for_all_unused_symbols): New function.
858         * incremental.h (enum Incremental_input_flags): New type.
859         (class Incremental_checker): Remove.
860         (Incremental_input_entry::Incremental_input_entry): Add argument
861         serial number.
862         (Incremental_input_entry::arg_serial): New function.
863         (Incremental_input_entry::set_is_in_system_directory): New function.
864         (Incremental_input_entry::is_in_system_directory): New function.
865         (Incremental_input_entry::arg_serial_): New data member.
866         (Incremental_input_entry::is_in_system_directory_): New data member.
867         (class Script_info): Move here from script.h.
868         (Script_info::Script_info): Add filename parameter.
869         (Script_info::filename): New function.
870         (Script_info::filename_): New data member.
871         (Incremental_script_entry::Incremental_script_entry): Add argument
872         serial number.
873         (Incremental_object_entry::Incremental_object_entry): Likewise.
874         (Incremental_object_entry::add_input_section): Build list of input
875         sections with map to original shndx.
876         (Incremental_object_entry::get_input_section_index): New function.
877         (Incremental_object_entry::shndx_): New data member.
878         (Incremental_object_entry::name_key_): Rename; adjust all refs.
879         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
880         (Incremental_archive_entry::Incremental_archive_entry): Add argument
881         serial number.
882         (Incremental_inputs::report_archive_begin): Likewise.
883         (Incremental_inputs::report_object): Likewise.
884         (Incremental_inputs::report_script): Likewise.
885         (class Incremental_global_symbol_reader): New class.
886         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
887         and store flags and input file type.
888         (Incremental_input_entry_reader::arg_serial): New function.
889         (Incremental_input_entry_reader::type): Extract type from flags.
890         (Incremental_input_entry_reader::is_in_system_directory): New function.
891         (Incremental_input_entry_reader::get_input_section_count): Call
892         accessor function for type.
893         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
894         function for type; adjust size of global symbol entry.
895         (Incremental_input_entry_reader::get_global_symbol_count): Call
896         accessor function for type.
897         (Incremental_input_entry_reader::get_object_count): Likewise.
898         (Incremental_input_entry_reader::get_object_offset): Likewise.
899         (Incremental_input_entry_reader::get_member_count): Likewise.
900         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
901         (Incremental_input_entry_reader::get_member_offset): Likewise.
902         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
903         (Incremental_input_entry_reader::Global_symbol_info): Remove.
904         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
905         (Incremental_input_entry_reader::get_global_symbol_reader): New
906         function.
907         (Incremental_input_entry_reader::get_output_symbol_index): New
908         function.
909         (Incremental_input_entry_reader::type_): Remove.
910         (Incremental_input_entry_reader::flags_): New data member.
911         (Incremental_inputs_reader::input_file_offset): New function.
912         (Incremental_inputs_reader::input_file_index): New function.
913         (Incremental_inputs_reader::input_file): Call input_file_offset.
914         (Incremental_inputs_reader::input_file_at_offset): New function.
915         (Incremental_relocs_reader::get_r_type): Reformat.
916         (Incremental_relocs_reader::get_r_shndx): Reformat.
917         (Incremental_relocs_reader::get_r_offset): Reformat.
918         (Incremental_relocs_reader::data): New function.
919         (Incremental_binary::Incremental_binary): Initialize new data members.
920         (Incremental_binary::check_inputs): Add cmdline parameter.
921         (Incremental_binary::file_is_unchanged): Remove.
922         (Input_reader::arg_serial): New function.
923         (Input_reader::get_unused_symbol_count): New function.
924         (Input_reader::get_unused_symbol): New function.
925         (Input_reader::do_arg_serial): New function.
926         (Input_reader::do_get_unused_symbol_count): New function.
927         (Input_reader::do_get_unused_symbol): New function.
928         (Incremental_binary::input_file_count): New function.
929         (Incremental_binary::get_input_reader): Change signature to use
930         index instead of filename.
931         (Incremental_binary::file_has_changed): New function.
932         (Incremental_binary::get_input_argument): New function.
933         (Incremental_binary::get_library): New function.
934         (Incremental_binary::get_script_info): New function.
935         (Incremental_binary::init_layout): New function.
936         (Incremental_binary::reserve_layout): New function.
937         (Incremental_binary::output_file): New function.
938         (Incremental_binary::do_check_inputs): New function.
939         (Incremental_binary::do_file_is_unchanged): Remove.
940         (Incremental_binary::do_file_has_changed): New function.
941         (Incremental_binary::do_init_layout): New function.
942         (Incremental_binary::do_reserve_layout): New function.
943         (Incremental_binary::do_input_file_count): New function.
944         (Incremental_binary::do_get_input_reader): Change signature.
945         (Incremental_binary::input_args_map_): New data member.
946         (Incremental_binary::library_map_): New data member.
947         (Incremental_binary::script_map_): New data member.
948         (Sized_incremental_binary::Sized_incremental_binary): Initialize
949         new data members.
950         (Sized_incremental_binary::output_section): New function.
951         (Sized_incremental_binary::inputs_reader): Add const.
952         (Sized_incremental_binary::symtab_reader): Add const.
953         (Sized_incremental_binary::relocs_reader): Add const.
954         (Sized_incremental_binary::got_plt_reader): Add const.
955         (Sized_incremental_binary::get_symtab_view): New function.
956         (Sized_incremental_binary::Inputs_reader): New typedef.
957         (Sized_incremental_binary::Input_entry_reader): New typedef.
958         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
959         (Sized_incremental_binary::do_file_is_unchanged): Remove.
960         (Sized_incremental_binary::do_file_has_changed): New function.
961         (Sized_incremental_binary::do_init_layout): New function.
962         (Sized_incremental_binary::do_reserve_layout): New function.
963         (Sized_input_reader::Inputs_reader): Remove.
964         (Sized_input_reader::Input_entry_reader): Remove.
965         (Sized_input_reader::do_arg_serial): New function.
966         (Sized_input_reader::do_get_unused_symbol_count): New function.
967         (Sized_input_reader::do_get_unused_symbol): New function.
968         (Sized_incremental_binary::do_input_file_count): New function.
969         (Sized_incremental_binary::do_get_input_reader): Change signature;
970         use index instead of filename.
971         (Sized_incremental_binary::section_map_): New data member.
972         (Sized_incremental_binary::input_entry_readers_): New data member.
973         (class Sized_incr_relobj): New class.
974         (class Sized_incr_dynobj): New class.
975         (make_sized_incremental_object): New function.
976         (class Incremental_library): New class.
977         * layout.cc (Free_list::num_lists): New static data member.
978         (Free_list::num_nodes): New static data member.
979         (Free_list::num_removes): New static data member.
980         (Free_list::num_remove_visits): New static data member.
981         (Free_list::num_allocates): New static data member.
982         (Free_list::num_allocate_visits): New static data member.
983         (Free_list::init): New function.
984         (Free_list::remove): New function.
985         (Free_list::allocate): New function.
986         (Free_list::dump): New function.
987         (Free_list::print_stats): New function.
988         (Layout_task_runner::run): Resize output file for incremental updates.
989         (Layout::Layout): Initialize new data members.
990         (Layout::set_incremental_base): New function.
991         (Layout::init_fixed_output_section): New function.
992         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
993         incremental updates.
994         (Layout::create_gold_note): Do not create gold note section for
995         incremental updates.
996         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
997         for incremental updates.
998         (Layout::set_section_offsets): For incremental updates, allocate space
999         from free list.
1000         (Layout::create_symtab_sections): Layout with offsets relative to
1001         start of section; for incremental updates, allocate space from free
1002         list.
1003         (Layout::create_shdrs): For incremental updates, allocate space from
1004         free list.
1005         (Layout::finish_dynamic_section): For incremental updates, do not
1006         check --as-needed (fixed in subsequent patch).
1007         * layout.h (class Free_list): New class.
1008         (Layout::set_incremental_base): New function.
1009         (Layout::incremental_base): New function.
1010         (Layout::init_fixed_output_section): New function.
1011         (Layout::allocate): New function.
1012         (Layout::incremental_base_): New data member.
1013         (Layout::free_list_): New data member.
1014         * main.cc (main): Print Free_list statistics.
1015         * object.cc (Relobj::finalize_incremental_relocs): Add
1016         clear_counts parameter; clear counts only when clear_counts is set.
1017         (Sized_relobj::Sized_relobj): Initialize new base class.
1018         (Sized_relobj::do_layout): Don't report special sections.
1019         (Sized_relobj::do_for_all_local_got_entries): New function.
1020         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1021         symtab_off to all symbol table offsets.
1022         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1023         * object.h (class Got_offset_list): Move to top of file.
1024         (Object::Object): Allow case where input_file == NULL.
1025         (Object::~Object): Likewise.
1026         (Object::input_file): Assert that input_file != NULL.
1027         (Object::lock): Allow case where input_file == NULL.
1028         (Object::unlock): Likewise.
1029         (Object::is_locked): Likewise.
1030         (Object::token): Likewise.
1031         (Object::release): Likewise.
1032         (Object::is_incremental): New function.
1033         (Object::get_mtime): New function.
1034         (Object::for_all_local_got_entries): New function.
1035         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1036         (Object::set_is_in_system_directory): New function.
1037         (Object::is_in_system_directory): New function.
1038         (Object::do_is_incremental): New function.
1039         (Object::do_get_mtime): New function.
1040         (Object::do_for_all_local_got_entries): New function.
1041         (Object::is_in_system_directory_): New data member.
1042         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1043         (class Sized_relobj_base): New class.
1044         (class Sized_relobj): Derive from Sized_relobj_base.
1045         (class Sized_relobj::Symbols): Redeclare from base class.
1046         (class Sized_relobj::local_got_offset_list): Remove.
1047         (class Sized_relobj::Output_sections): Redeclare from base class.
1048         (class Sized_relobj::do_for_all_local_got_entries): New function.
1049         (class Sized_relobj::write_local_symbols): Add offset parameter.
1050         (class Sized_relobj::local_symbol_offset_): Update comment.
1051         (class Sized_relobj::local_dynsym_offset_): Update comment.
1052         * options.cc (Input_arguments::add_file): Remove const.
1053         * options.h (Input_file_argument::Input_file_argument):
1054         Initialize arg_serial_ (all constructors).
1055         (Input_file_argument::set_arg_serial): New function.
1056         (Input_file_argument::arg_serial): New function.
1057         (Input_file_argument::arg_serial_): New data member.
1058         (Input_arguments::Input_arguments): Initialize file_count_.
1059         (Input_arguments::add_file): Remove const.
1060         (Input_arguments::number_of_input_files): New function.
1061         (Input_arguments::file_count_): New data member.
1062         (Command_line::number_of_input_files): Call
1063         Input_arguments::number_of_input_files.
1064         * output.cc (Output_segment_headers::Output_segment_headers):
1065         Set current size.
1066         (Output_section::Input_section::current_data_size): New function.
1067         (Output_section::Output_section): Initialize new data members.
1068         (Output_section::add_input_section): Don't do merge sections for
1069         an incremental link; allocate space from free list for an
1070         incremental update.
1071         (Output_section::add_output_section_data): Allocate space from
1072         free list for an incremental update.
1073         (Output_section::update_data_size): New function.
1074         (Output_section::set_fixed_layout): New function.
1075         (Output_section::reserve): New function.
1076         (Output_segment::set_section_addresses): Remove const.
1077         (Output_segment::set_section_list_addresses): Remove const; allocate
1078         space from free list for an incremental update.
1079         (Output_segment::set_offset): Adjust size of RELRO segment for an
1080         incremental update.
1081         * output.h (Output_data::current_data_size): Move here from
1082         child classes.
1083         (Output_data::pre_finalize_data_size): New function.
1084         (Output_data::update_data_size): New function.
1085         (Output_section_headers::update_data_size): new function.
1086         (Output_section_data_build::current_data_size): Move to Output_data.
1087         (Output_data_strtab::update_data_size): New function.
1088         (Output_section::current_data_size): Move to Output_data.
1089         (Output_section::set_fixed_layout): New function.
1090         (Output_section::has_fixed_layout): New function.
1091         (Output_section::reserve): New function.
1092         (Output_section::update_data_size): New function.
1093         (Output_section::has_fixed_layout_): New data member.
1094         (Output_section::free_list_): New data member.
1095         (Output_segment::set_section_addresses): Remove const.
1096         (Output_segment::set_section_list_addresses): Remove const.
1097         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1098         New function.
1099         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1100         New function.
1101         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1102         parameter when calling Add_symbols constructor; store argument
1103         serial number for members of a lib group.
1104         (Add_symbols::locks): Allow case where token == NULL.
1105         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1106         (Read_member::~Read_member): New function.
1107         (Read_member::is_runnable): New function.
1108         (Read_member::locks): New function.
1109         (Read_member::run): New function.
1110         (Check_script::~Check_script): New function.
1111         (Check_script::is_runnable): New function.
1112         (Check_script::locks): New function.
1113         (Check_script::run): New function.
1114         (Check_library::~Check_library): New function.
1115         (Check_library::is_runnable): New function.
1116         (Check_library::locks): New function.
1117         (Check_library::run): New function.
1118         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1119         (Add_symbols::library_): New data member.
1120         (class Read_member): New class.
1121         (class Check_script): New class.
1122         (class Check_library): New class.
1123         * reloc.cc (Read_relocs::is_runnable): Allow case where
1124         token == NULL.
1125         (Read_relocs::locks): Likewise.
1126         (Scan_relocs::locks): Likewise.
1127         (Relocate_task::locks): Likewise.
1128         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1129         to clear counters.
1130         (Sized_relobj::incremental_relocs_scan): Fix comment.
1131         (Sized_relobj::do_relocate): Pass output file offset to
1132         write_local_symbols.
1133         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1134         from class declaration.
1135         * script.cc (read_input_script): Allocate Script_info; pass
1136         argument serial number to report_script.
1137         * script.h (class Script_info): Move to incremental.h.
1138         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1139         * symtab.h (Symbol_table::add_from_incrobj): New function.
1140         (Symbol_table::set_file_offset): New function.
1141
1142 2011-04-05  Cary Coutant  <ccoutant@google.com>
1143
1144         * incremental-dump.cc (dump_incremental_inputs): Change signature
1145         to take a Sized_incremental_binary; change caller.  Use readers
1146         in Sized_incremental_binary.
1147         * incremental.cc
1148         (Sized_incremental_binary::find_incremental_inputs_sections):
1149         Rename do_find_incremental_inputs_sections to this.
1150         (Sized_incremental_binary::setup_readers): New function.
1151         (Sized_incremental_binary::do_check_inputs): Check
1152         has_incremental_info_ flag; move setup code to setup_readers;
1153         use input readers.
1154         (Sized_incremental_binary::do_file_is_unchanged): New function.
1155         (Sized_incremental_binary::do_get_input_reader): New function.
1156         * incremental.h (class Incremental_binary): Move to end of file.
1157         (Incremental_binary::file_is_unchanged): New function.
1158         (Incremental_binary::do_file_is_unchanged): New function.
1159         (Incremental_binary::Input_reader): New class.
1160         (Incremental_binary::get_input_reader): New function.
1161         (class Sized_incremental_binary): Move to end of file.
1162         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1163         input section reader classes.
1164         (Sized_incremental_binary::has_incremental_info): New function.
1165         (Sized_incremental_binary::inputs_reader): New function.
1166         (Sized_incremental_binary::symtab_reader): New function.
1167         (Sized_incremental_binary::relocs_reader): New function.
1168         (Sized_incremental_binary::got_plt_reader): New function.
1169         (Sized_incremental_binary::do_file_is_unchanged): New function.
1170         (Sized_incremental_binary::Sized_input_reader): New class.
1171         (Sized_incremental_binary::get_input_reader): New function.
1172         (Sized_incremental_binary::find_incremental_inputs_sections):
1173         Rename do_find_incremental_inputs_sections to this.
1174         (Sized_incremental_binary::setup_readers): New function.
1175         (Sized_incremental_binary::has_incremental_info_): New data member.
1176         (Sized_incremental_binary::inputs_reader_): New data member.
1177         (Sized_incremental_binary::symtab_reader_): New data member.
1178         (Sized_incremental_binary::relocs_reader_): New data member.
1179         (Sized_incremental_binary::got_plt_reader_): New data member.
1180         (Sized_incremental_binary::current_input_file_): New data member.
1181
1182 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1183
1184         PR gold/12640
1185         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1186         violation.
1187
1188 2011-03-30  Cary Coutant  <ccoutant@google.com>
1189
1190         * archive.cc (Archive::include_member): Adjust call to report_object.
1191         (Add_archive_symbols::run): Add script_info to call to
1192         report_archive_begin.
1193         (Lib_group::include_member): Adjust call to report_object.
1194         (Add_lib_group_symbols::run): Adjust call to report_object.
1195         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1196         blocks.  Add object count for script input files.
1197         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1198         script_info parameter; change all callers.
1199         (Incremental_inputs::report_object): Add script_info parameter;
1200         change all callers.
1201         (Incremental_inputs::report_script): Store backpointer to
1202         incremental info entry.
1203         (Output_section_incremental_inputs::set_final_data_size): Record
1204         additional information for scripts.
1205         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1206         * incremental.h (Incremental_script_entry::add_object): New function.
1207         (Incremental_script_entry::get_object_count): New function.
1208         (Incremental_script_entry::get_object): New function.
1209         (Incremental_script_entry::objects_): New data member; adjust
1210         constructor.
1211         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1212         (Incremental_inputs::report_object): Add script_info parameter.
1213         (Incremental_inputs_reader::get_object_count): New function.
1214         (Incremental_inputs_reader::get_object_offset): New function.
1215         * options.cc (Input_arguments::add_file): Return reference to
1216         new input argument.
1217         * options.h (Input_argument::set_script_info): New function.
1218         (Input_argument::script_info): New function.
1219         (Input_argument::script_info_): New data member; adjust all
1220         constructors.
1221         (Input_file_group::add_file): Return reference to new input argument.
1222         (Input_file_lib::add_file): Likewise.
1223         (Input_arguments::add_file): Likewise.
1224         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1225         * script.cc (Parser_closure::Parser_closure): Add script_info
1226         parameter; adjust all callers.
1227         (Parser_closure::script_info): New function.
1228         (Parser_closure::script_info_): New data member.
1229         (read_input_script): Report scripts earlier to incremental info.
1230         (script_add_file): Set script_info in Input_argument.
1231         (script_add_library): Likewise.
1232         * script.h (Script_options::Script_info): Rewrite class.
1233
1234 2011-03-29  Cary Coutant  <ccoutant@google.com>
1235
1236         * archive.cc (Library_base::should_include_member): Move
1237         method here from class Archive.
1238         (Archive::Archive): Initialize base class.
1239         (Archive::should_include_member): Move to base class.
1240         (Archive::do_for_all_unused_symbols): New function.
1241         (Add_archive_symbols::run): Remove redundant access to
1242         incremental_inputs.
1243         (Lib_group::Lib_group): Initialize base class.
1244         (Lib_group::do_filename): New function.
1245         (Lib_group::include_member): Pass pointer to Lib_group to
1246         report_object.
1247         (Lib_group::do_for_all_unused_symbols): New function.
1248         (Add_lib_group_symbols::run): Report archive information for
1249         incremental links.
1250         * archive.h (class Library_base): New base class.
1251         (class Archive): Derive from Library_base.
1252         (Archive::filename): Move to base class.
1253         (Archive::set_incremental_info): Likewise.
1254         (Archive::incremental_info): Likewise.
1255         (Archive::Should_include): Likewise.
1256         (Archive::should_include_member): Likewise.
1257         (Archive::Armap_entry): Remove.
1258         (Archive::Unused_symbol_iterator): Remove.
1259         (Archive::unused_symbols_begin): Remove.
1260         (Archive::unused_symbols_end): Remove.
1261         (Archive::do_filename): New function.
1262         (Archive::do_get_mtime): New function.
1263         (Archive::do_for_all_unused_symbols): New function.
1264         (Archive::task_): Move to base class.
1265         (Archive::incremental_info_): Likewise.
1266         (class Lib_group): Derive from Library_base.
1267         (Lib_group::do_filename): New function.
1268         (Lib_group::do_get_mtime): New function.
1269         (Lib_group::do_for_all_unused_symbols): New function.
1270         (Lib_group::task_): Move to base class.
1271         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1272         function.
1273         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1274         function.
1275         * incremental.cc (Incremental_inputs::report_archive_begin):
1276         Use Library_base; call library's get_mtime; add incremental inputs
1277         entry before members.
1278         (class Unused_symbol_visitor): New class.
1279         (Incremental_inputs::report_archive_end): Use Library_base; use
1280         visitor class to record unused symbols; don't add incremental inputs
1281         entry after members.
1282         (Incremental_inputs::report_object): Use Library_base.
1283         * incremental.h
1284         (Incremental_archive_entry::Incremental_archive_entry): Remove
1285         unused Archive parameter.
1286         (Incremental_inputs::report_archive_begin): Use Library_base.
1287         (Incremental_inputs::report_archive_end): Likewise.
1288         (Incremental_inputs::report_object): Likewise.
1289         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1290         function.
1291         * object.h (Object::for_all_global_symbols): New function.
1292         (Object::do_for_all_global_symbols): New function.
1293         (Sized_relobj::do_for_all_global_symbols): New function.
1294         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1295         function.
1296         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1297         function.
1298
1299 2011-03-27  Ian Lance Taylor  <iant@google.com>
1300
1301         * archive.cc (Archive::interpret_header): Return -1 if something
1302         goes wrong.  Change callers accordingly.
1303
1304 2011-03-25  Cary Coutant  <ccoutant@google.com>
1305
1306         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1307         * testsuite/Makefile.in: Regenerate.
1308
1309 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1310
1311         * plugin.cc (get_view): New.
1312         (Plugin::load): Pass get_view to the plugin.
1313         (Plugin_manager::get_view): New.
1314
1315 2011-03-21  Ian Lance Taylor  <iant@google.com>
1316
1317         * testsuite/final_layout.sh: Rewrite to not use dc.
1318         * testsuite/relro_test.sh: Fail if dc is not present.
1319
1320 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1321
1322         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1323         Change == to -eq.
1324         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1325         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1326         Change == to -eq.
1327         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1328         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1329
1330 2011-03-14  Ian Lance Taylor  <iant@google.com>
1331
1332         * script-sections.cc (Sort_output_sections::script_compare):
1333         Rename from is_before, change return type.
1334         (Sort_output_sections::operator()): Adjust accordingly.
1335
1336 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1337
1338         PR gold/12572
1339         * testsuite/odr_violation2.cc: Add comment to make all error line
1340         numbers double digits.
1341         * testsuite/debug_msg.sh: Adjust expected errors.
1342
1343 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1344
1345         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1346         but mark earlier ones as non-canonical
1347         (offset_to_iterator): Update search target and example
1348         (do_addr2line): Return extra lines in a vector*
1349         (format_file_lineno): Extract from do_addr2line
1350         (one_addr2line): Add vector* out-param
1351         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1352         when a lineno entry appeared last for its instruction
1353         (Dwarf_line_info): Add vector* out-param
1354         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1355         * symtab.cc (Odr_violation_compare): Include the lineno in the
1356         comparison again.
1357         (linenos_from_loc): New. Combine the canonical line for an
1358         address with its other lines.
1359         (True_if_intersect): New. Helper functor to make
1360         std::set_intersection a query.
1361         (detect_odr_violations): Compare sets of lines instead of just
1362         one line for each function. This became less deterministic, but
1363         has fewer false positives.
1364         * symtab.h: Declarations.
1365         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1366         mix an optimized and non-optimized object in the same binary
1367         (odr_violation2.so): Same.
1368         * testsuite/Makefile.in: Regenerate from Makefile.am.
1369         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1370         * testsuite/debug_msg.sh: Update line numbers and add
1371         assertions.
1372         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1373         non-optimized context.
1374         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1375         isn't inlined, and use OdrDerived in an optimized context.
1376         * testsuite/odr_header1.h: Defines OdrDerived, where
1377         optimization will change the
1378         first-instruction-in-the-destructor's file and line number.
1379         * testsuite/odr_header2.h: Defines OdrBase.
1380
1381 2011-03-09  Ian Lance Taylor  <iant@google.com>
1382
1383         * fileread.cc (File_read::clear_views): Don't delete the whole
1384         file view.
1385
1386 2011-03-08  Ian Lance Taylor  <iant@google.com>
1387
1388         PR gold/12525
1389         * fileread.cc: #include <climits>.
1390         (GOLD_IOV_MAX): Define.
1391         (File_read::read_multiple): Limit number of entries by iov_max.
1392         * fileread.h (class File_read): Always set max_readv_entries to
1393         128.
1394
1395 2011-03-07  Ian Lance Taylor  <iant@google.com>
1396
1397         PR gold/12525
1398         * options.h (class General_options): Add -dy and -dn.
1399
1400 2011-03-02  Cary Coutant  <ccoutant@google.com>
1401
1402         * testsuite/script_test_9.t: Add TLS segment.
1403
1404 2011-03-02  Simon Baldwin  <simonb@google.com>
1405
1406         * configure.ac: Add check for gnu_indirect_function support in
1407         the toolchain building binutils.
1408         * configure: Rebuild.
1409
1410 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1411
1412         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1413         plugin only symbols.
1414         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1415         in plugin files as not needed in the symbol table.
1416
1417 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1418
1419         * output.cc (Output_section::add_input_section): Delay fill
1420         generation for section ordering.
1421
1422 2011-02-09  Ian Lance Taylor  <iant@google.com>
1423
1424         PR gold/12316
1425         * object.h (class Sized_relobj): Remove clear_local_symbols.
1426         * reloc.cc (Sized_relobj::do_relocate): Don't call
1427         clear_local_symbols.
1428
1429 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1430
1431         * plugin.cc (is_visible_from_outside): Return true for symbols
1432         in the -u option.
1433
1434 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1435
1436         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1437         filename.
1438
1439 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1440
1441         * icf.h (is_section_foldable_candidate): Change type of parameter
1442         to std::string.
1443         * icf.cc (Icf::find_identical_sections): Change type of local variable
1444         section_name to be std::string.
1445         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1446
1447 2011-01-25  Ian Lance Taylor  <iant@google.com>
1448
1449         * script.cc (script_add_extern): Rewrite to use
1450         add_symbol_reference.
1451
1452 2011-01-25  Doug Kwan  <dougkwan@google.com>
1453
1454         * icf.cc (get_section_contents): Always lock section's object.
1455
1456 2011-01-24  Ian Lance Taylor  <iant@google.com>
1457
1458         * options.h (class General_options): Accept
1459         --no-detect-odr-violations.
1460
1461 2011-01-24  Ian Lance Taylor  <iant@google.com>
1462
1463         * version.cc (version_string): Bump to 1.11.
1464
1465 2011-01-24  Ian Lance Taylor  <iant@google.com>
1466
1467         * plugin.cc (class Plugin_rescan): Define new class.
1468         (Plugin_manager::claim_file): Set any_claimed_.
1469         (Plugin_manager::save_archive): New function.
1470         (Plugin_manager::save_input_group): New function.
1471         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1472         necessary.
1473         (Plugin_manager::new_undefined_symbol): New function.
1474         (Plugin_manager::rescan): New function.
1475         (Plugin_manager::rescannable_defines): New function.
1476         (Plugin_manager::add_input_file): Set any_added_.
1477         * plugin.h (class Plugin_manager): define new fields rescannable_,
1478         undefined_symbols_, any_claimed_, and any_added_.  Declare
1479         Plugin_rescan as friend.  Declare new functions.
1480         (Plugin_manager::Rescannable): Define type.
1481         (Plugin_manager::Rescannable_list): Define type.
1482         (Plugin_manager::Undefined_symbol_list): Define type.
1483         (Plugin_manager::Plugin_manager): Initialize new fields.
1484         * archive.cc (Archive::defines_symbol): New function.
1485         (Add_archive_symbols::run): Pass archive to plugins if any.
1486         * archive.h (class Archive): Declare defines_symbol.
1487         * readsyms.cc (Input_group::~Input_group): New function.
1488         (Finish_group::run): Pass input_group to plugins if any.
1489         * readsyms.h (class Input_group): Declare destructor.
1490         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1491         any.
1492
1493 2011-01-10  Ian Lance Taylor  <iant@google.com>
1494
1495         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1496         section as relro.
1497         (Layout::set_segment_offsets): Reset increase_relro before calling
1498         set_section_addresses a second time.
1499
1500 2011-01-04  Cary Coutant  <ccoutant@google.com>
1501
1502         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1503         sections before NOBITS sections.
1504
1505 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1506
1507         * version.cc (print_version): Update copyright to 2011.
1508
1509 2010-12-23  Cary Coutant  <ccoutant@google.com>
1510
1511         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1512         of OS to this->add.  Add OD parameter to second form of the function.
1513
1514 2010-12-20  Ian Lance Taylor  <iant@google.com>
1515
1516         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1517         second of two consecutive entries with same offset.
1518
1519 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1520
1521         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1522         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1523         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1524         to avoid unneeded links against $(LDADD).
1525         * testsuite/Makefile.in: Regenerate.
1526
1527 2010-12-15  Ian Lance Taylor  <iant@google.com>
1528
1529         PR gold/12324
1530         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1531         for R_X86_64_32 and R_X86_64_PC32.
1532         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1533         ver_matching_def_pic.o.
1534         (ver_matching_def_pic.o): New target.
1535
1536 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1537
1538         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
1539         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
1540         Move definition before File_read::View member definitions.
1541         (File_read::View::~View): Initialize and hold lock before
1542         updating current_mapped_bytes.
1543
1544 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1545
1546         * dwarf_reader.cc: Remove outdated comment.
1547         * gold-threads.cc: Fix typo in error message.
1548         * archive.cc: Fix typos in comments.
1549         * archive.h: Likewise.
1550         * arm-reloc-property.cc: Likewise.
1551         * arm-reloc-property.h: Likewise.
1552         * arm-reloc.def: Likewise.
1553         * arm.cc: Likewise.
1554         * attributes.h: Likewise.
1555         * cref.cc: Likewise.
1556         * ehframe.cc: Likewise.
1557         * fileread.h: Likewise.
1558         * gold.h: Likewise.
1559         * i386.cc: Likewise.
1560         * icf.cc: Likewise.
1561         * incremental.h: Likewise.
1562         * int_encoding.cc: Likewise.
1563         * layout.h: Likewise.
1564         * main.cc: Likewise.
1565         * merge.h: Likewise.
1566         * object.cc: Likewise.
1567         * object.h: Likewise.
1568         * options.cc: Likewise.
1569         * readsyms.cc: Likewise.
1570         * reduced_debug_output.cc: Likewise.
1571         * reloc.cc: Likewise.
1572         * script-sections.cc: Likewise.
1573         * sparc.cc: Likewise.
1574         * symtab.h: Likewise.
1575         * target-reloc.h: Likewise.
1576         * target.cc: Likewise.
1577         * target.h: Likewise.
1578         * timer.cc: Likewise.
1579         * timer.h: Likewise.
1580         * x86_64.cc: Likewise.
1581
1582 2010-12-09  Cary Coutant  <ccoutant@google.com>
1583
1584         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
1585         stack.
1586         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
1587         parameter; change all callers.
1588         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
1589         * options.h (warn_execstack): New option.
1590
1591 2010-12-07  Doug Kwan  <dougkwan@google.com>
1592
1593         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
1594         like function call relocations.
1595
1596 2010-12-07  Ian Lance Taylor  <iant@google.com>
1597
1598         * archive.cc (Archive::get_elf_object_for_member): Permit
1599         punconfigured to be NULL.
1600         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
1601         (Archive::include_member): Pass NULL to get_elf_object_for_member
1602         if we searched for the archive and this is the first included
1603         object.
1604
1605 2010-12-01  Ian Lance Taylor  <iant@google.com>
1606
1607         * dwarf_reader.h (class Sized_dwarf_line_info): Add
1608         track_relocs_type_ field.
1609         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1610         Set track_relocs_type_.
1611         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
1612         contents when using RELA relocs.
1613         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
1614         reloc_map_.
1615         * reloc.cc (Track_relocs::next_addend): New function.
1616         * reloc.h (class Track_relocs): Declare next_addend.
1617
1618 2010-12-01  Ian Lance Taylor  <iant@google.com>
1619
1620         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
1621         virtual destructor.
1622
1623 2010-12-01  Ian Lance Taylor  <iant@google.com>
1624
1625         * README: Update compilers known to work and fail.
1626
1627 2010-11-23  Matthias Klose  <doko@ubuntu.com>
1628
1629         * configure.in: For --enable-gold, handle value `default' instead of
1630         `both*'.  Always install ld as ld.bfd, install as ld if gold is
1631         not the default.
1632         * configure: Regenerate.
1633
1634 2010-11-18  Doug Kwan  <dougkwan@google.com>
1635
1636         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
1637         and right_alignment to be zero.  Store result alignment only if it is
1638         greater than existing alignment.
1639
1640 2010-11-16  Cary Coutant  <ccoutant@google.com>
1641
1642         PR gold/12220
1643         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1644         Check for ".zdebug_line".
1645
1646 2010-11-16  Doug Kwan  <dougkwan@google.com>
1647             Cary Coutant  <ccoutant@google.com>
1648
1649         * output.h (Output_segment::set_section_addresses): Pass increase_relro
1650         by reference; adjust all callers.
1651         * output.cc (Output_segment::set_section_addresses): Adjust references
1652         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
1653         list is empty.
1654         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
1655         end at page boundary.
1656
1657 2010-11-16  Cary Coutant  <ccoutant@google.com>
1658
1659         PR gold/12220
1660         * layout.cc (Layout::choose_output_section): Transform names of
1661         compressed sections even when using a script with a SECTIONS clause.
1662         (Layout::output_section_name): Remove code to transform
1663         compressed debug section names.
1664         * output.cc (Output_section::add_input_section): Use uncompressed
1665         section size when tracking input sections.
1666
1667 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
1668
1669         * symtab.h (Symbol::NON_PIC_REF): Remove.
1670         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
1671         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
1672         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
1673         (Symbol::use_plt_offset): Take a flags argument and pass it
1674         directly to needs_dynamic_reloc.  Restrict check for undefined
1675         weak symbols to function calls.
1676         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
1677         (Target_arm::Scan::global): Use it.
1678         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
1679         (Target_arm::Relocate::relocate): Likewise.
1680         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
1681         parameter with an r_type parameter.  Use get_reference_flags
1682         to get the flags.
1683         (Target_arm::Relocate::relocate): Update accordingly.
1684         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
1685         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
1686         (Target_i386::Scan::global): Likewise.
1687         (Target_i386::Relocate::relocate): Likewise.
1688         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
1689         parameter with an r_type parameter.  Use get_reference_flags
1690         to get the flags.
1691         (Target_i386::Relocate::relocate): Update accordingly.
1692         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1693         (Target_powerpc::Scan::global): Use it.
1694         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1695         (Target_powerpc::Relocate::relocate): Likewise.
1696         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1697         (Target_sparc::Scan::global): Use it.
1698         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1699         (Target_sparc::Relocate::relocate): Likewise.
1700         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1701         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1702         (Target_x86_64::Scan::global): Likewise.
1703         (Target_x86_64::Relocate::relocate): Likewise.
1704
1705 2010-11-08  Doug Kwan  <dougkwan@google.com>
1706             Cary Coutant  <ccoutant@google.com>
1707
1708         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1709         (Arm_exidx_merge_section::section_contents_): New data member.
1710         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1711         (Arm_input_section::~Arm_input_section): De-allocate memory.
1712         (Arm_input_section::original_contents_): New data member.       
1713         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1714         in parameters instead of calling Object::section_contents without
1715         locking.
1716         (Arm_output_section::group_section): New parameter TASK.  Pass it
1717         to callees that need locking objects.
1718         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1719         to lock EXIDX input sections.  Fix a formatting issue.  Call
1720         Arm_exidx_merged_section::build_contents to create merged section
1721         contents.
1722         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1723         to lock object of stub table owner.
1724         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1725         TEXT_SIZE to initialize data member TEXT_SIZE_.
1726         (Arm_exidx_input_section::addralign): Fix typo in comment.
1727         (Arm_exidx_input_section::text_size): New method.
1728         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1729         that require locking objects.  Lock objects before scanning for stubs
1730         and updating local symbols.
1731         (Arm_input_section<big_endian>::init): Copy contents of original
1732         input section.
1733         (Arm_input_section<big_endian>::do_write): Use saved contents of
1734         original input section instead of calling Object::section_contents
1735         without locking.
1736         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1737         size without calling Object::section_size().
1738         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1739         for size.  Allocate a buffer for merged EXIDX entries.
1740         (Arm_exidx_merged_section::build_contents): New method.
1741         (Arm_exidx_merged_section::do_write): Move merge section contents
1742         building code to Arm_exidx_merged_section::build_contetns.  Write
1743         out contetns in buffer instead of building it on the fly.
1744         (Arm_relobj::make_exidx_input_section): Also pass text section size
1745         to Arm_exidx_input_section constructor.
1746         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1747         (Arm_dynobj::do_read_symbols): Fix memory leak.
1748         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1749         * target.h: (class Task): Add forward declaration.
1750         (Target::relax): Add new parameter TASK and pass it to
1751         Target::do_relax().
1752         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1753
1754 2010-11-05  Cary Coutant  <ccoutant@google.com>
1755
1756         PR gold/10708
1757         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1758         object when reading from the file.
1759         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1760         second layout pass.
1761         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1762         when reading section contents.
1763         (get_section_contents): Likewise.
1764         (icf::find_identical_sections): Likewise.
1765         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1766         object when reading from the file.
1767         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1768         the object when doing deferred section layout.
1769
1770 2010-11-03  Nick Clifton  <nickc@redhat.com>
1771
1772         PR gold/12001
1773         * script.h (class Symbol_assignment: name): New member.  Returns
1774         the name of the symbol.
1775         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1776         Returns true if the given symbol name is on the list of
1777         assignments wating to be processed.
1778         * archive.cc (should_incldue_member): If the symbol is undefined,
1779         check to see if it is on the list of symbols pending assignment.
1780
1781 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1782
1783         * script-sections.cc (Script_sections::find_memory_region): Check
1784         for a NULL output section pointer.
1785
1786 2010-10-29  Doug Kwan  <dougkwan@google.com>
1787
1788         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1789         Output_section::add_relaxed_input_section.
1790         * output.cc (Output_section::add_relaxed_input_section): Add new
1791         arguments LAYOUT and NAME.  Set section order index.
1792         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1793         Copy section order index.
1794         * output.h (Output_section::add_relaxed_input_section): Add new
1795         arguments LAYOUT and NAME.
1796
1797 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1798
1799         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1800         NATIVE_OR_CROSS_LINKER.
1801         * testsuite/Makefile.in: Regenerate.
1802
1803 2010-10-20  Doug Kwan  <dougkwan@google.com>
1804
1805         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1806         without SHF_LINK_ORDER flags.
1807         * layout.cc (Layout::choose_output_section): Do not filter
1808         SHF_LINK_ORDER flag in a relocatable link.
1809
1810 2010-10-17  Cary Coutant  <ccoutant@google.com>
1811
1812         * output.h (Output_segment::set_section_addresses): Change function
1813         signature.  Update all callers.
1814         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1815         sections.
1816         (Output_segment::set_section_addresses): Align after last TLS
1817         section.  Add padding before last relro section instead of after.
1818
1819 2010-10-17  Doug Kwan  <dougkwan@google.com>
1820
1821         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1822         GOT output section to be writable.
1823
1824 2010-10-14  Cary Coutant  <ccoutant@google.com>
1825
1826         * debug.h (DEBUG_INCREMENTAL): New flag.
1827         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1828         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1829         mode.
1830         * incremental.cc (report_command_line): Ignore all forms of
1831         --incremental.
1832         * layout.cc (Layout::Layout): Check parameters for incremental link
1833         mode.
1834         * options.cc (General_options::parse_incremental): New function.
1835         (General_options::parse_no_incremental): New function.
1836         (General_options::parse_incremental_full): New function.
1837         (General_options::parse_incremental_update): New function.
1838         (General_options::incremental_mode_): New data member.
1839         (General_options::finalize): Check incremental_mode_.
1840         * options.h (General_options): Update help text for --incremental.
1841         Add --no-incremental, --incremental-full, --incremental-update.
1842         (General_options::Incremental_mode): New enum type.
1843         (General_options::incremental_mode): New function.
1844         (General_options::incremental_mode_): New data member.
1845         * parameters.cc (Parameters::incremental_mode_): New data member.
1846         (Parameters::set_options): Set incremental_mode_.
1847         (Parameters::set_incremental_full): New function.
1848         (Parameters::incremental): New function.
1849         (Parameters::incremental_update): New function.
1850         (set_parameters_incremental_full): New function.
1851         * parameters.h (Parameters::set_incremental_full): New function.
1852         (Parameters::incremental): New function.
1853         (Parameters::incremental_update): New function.
1854         (Parameters::incremental_mode_): New data member.
1855         (set_parameters_incremental_full): New function.
1856         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1857         incremental link mode.
1858         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1859         (Sized_relobj::do_relocate_sections): Likewise.
1860         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1861         option.
1862         * testsuite/Makefile.in: Regenerate.
1863         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1864
1865 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1866
1867         * script-sections.h (class Script_sections): Make
1868         Sections_elements typedef public.
1869         * script-sections.cc (class Sort_output_sections): Add elements_
1870         field.  Add constructor which sets it; change all callers.
1871         (Sort_output_sections::is_before): New function.
1872         (Sort_output_sections::operator()): Call is_before.
1873         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1874         conditional.
1875         * testsuite/script_test_10.sh: New test. Test script section
1876         order.
1877         * testsuite/script_test_10.t: Likewise.
1878         * testsuite/script_test_10.s: Likewise.
1879         * testsuite/Makefile.am: Wrap the cross linker tests and the
1880         common tests into NATIVE_OR_CROSS_LINKER.
1881         (check_SCRIPTS): Add script_test_10.sh.
1882         (check_DATA): Add script_test_10.stdout.
1883         (script_test_10.o, script_test_10): New targets.
1884         (script_test_10.stdout): New target.
1885         * configure, testsuite/Makefile.in: Regenerate.
1886
1887 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1888
1889         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1890         error for the deprecated relocations.
1891         (Target_arm::Scan::global): Likewise.
1892         (Target_arm::Relocate::relocate): Likewise.
1893
1894 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1895
1896         * fileread.cc (Input_file::find_file): Initialize *found_name
1897         and *namep when using the fallback search for case 4.
1898
1899 2010-10-11  Cary Coutant  <ccoutant@google.com>
1900
1901         * options.h (class General_options): Redefine -z lazy as an alias for
1902         the negation of -z now.
1903
1904 2010-10-11  Ian Lance Taylor  <iant@google.com>
1905
1906         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1907         binding.
1908
1909 2010-10-06  Nick Clifton  <nickc@redhat.com>
1910
1911         * script-sections.cc(class Memory_region): Remove
1912         current_lma_offset_ field.  Rename current_vma_offset_ to
1913         current_offset_.  Add last_section_ field.
1914         (Memory_region::get_current_vma_address): Rename to
1915         get_current_address.
1916         (Memory_region::get_current_lma_address): Delete.
1917         (Memory_region::increment_vma_offset): Rename to
1918         increment_offset.
1919         (Memory_region::increment_lma_offset): Delete.
1920         (Memory_region::attributes_compatible): New method.  Returns
1921         true if the provided section is compatible with the region.
1922         (Memory_region::get_last_section): New method.  Returns the last
1923         section to use the region.
1924         (Memory_region::set_last_section): New method.  Stores the last
1925         section to use the region.
1926         (Script_sections::block_in_region): New method.  Returns true if
1927         a block of memory is contained within a region.
1928         (Script_sections::find_memory_region): New method.  Locates a
1929         memory region to be used to set a VMA or LMA address.
1930         (Output_section_definition::set_section_addresses): Add code to
1931         check for addresses set by memory regions.
1932         (Output_segment::set_section_addresses): Remove memory region
1933         walking code.
1934         (Script_sections::create_segment): Add a warning if a header
1935         segment is created outside of any region.
1936         * script-sections.h (class Script_sections): Add prototypes for
1937         find_memory_region and block_in_region methods.
1938         * testsuite/memory_test.s: Use .long instead of .word.
1939         * testsuite/memory_test.t: Add some more output sections.
1940         * testsuite/memory_test.sh: Update expected output.
1941
1942 2010-10-02  Doug Kwan  <dougkwan@google.com>
1943
1944         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1945         defintion to symtab.h
1946         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1947         declaration to defintion.
1948
1949 2010-10-01  Nick Clifton  <nickc@redhat.com>
1950
1951         * expression.cc (eval): Replace dummy argument with NULL.
1952         (eval_maybe_dot): Check for a NULL result section pointer.
1953         (Symbol_expression::value): Likewise.
1954         (Dot_expression::value): Likewise.
1955         (BINARY_EXPRESSION): Likewise.
1956         (Max_expression::value): Likewise.
1957         (Min_expression::value): Likewise.
1958         (Absolute_expression::value): Likewise.
1959         (Addr_expression::value_from_output_section): Likewise.
1960         (Loaddddr_expression::value_from_output_section): Likewise.
1961         (Segment_start_expression::value): Likewise.
1962         * script-sections.cc
1963         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1964         argument with NULL.
1965         (Sections_elememt_dot_assignment::set_section_addresses):
1966         Likewise.
1967         (Output_data_expression::do_write_to_buffer): Likewise.
1968         (Output_section_definition::finalize_symbols): Likewise.
1969         (Output_section_definition::set_section_addresses): Likewise.
1970
1971 2010-09-30  Doug Kwan  <dougkwan@google.com>
1972
1973         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1974
1975 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1976
1977         * target.h (Target::can_icf_inline_merge_sections): New virtual
1978         function.
1979         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1980         virtual function.
1981         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1982         virtual function.
1983         * icf.cc (get_section_contents): Inline merge sections only when
1984         target allows it.
1985
1986 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1987
1988         * configure: Regenerate.
1989
1990 2010-09-17  Ian Lance Taylor  <iant@google.com>
1991
1992         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1993         * testsuite/Makefile.am (memory_test.o): New target.
1994         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1995         memory_test.t.
1996         * testsuite/Makefile.in: Rebuild.
1997
1998 2010-09-17  Doug Kwan  <dougkwan@google.com>
1999
2000         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2001         defintion if relocation uses GOT entries of the symbol.
2002         * testsuite/icf_safe_test.sh: Fix test.
2003         * testsuite/icf_safe_so_test.sh: Fix test.
2004
2005 2010-09-16  Cary Coutant  <ccoutant@google.com>
2006
2007         * script_sections.cc (class Memory_region): Remove "NULL" from
2008         vector initializations.
2009
2010 2010-09-15  Cary Coutant  <ccoutant@google.com>
2011
2012         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2013         Resolve forwarding symbols.
2014
2015 2010-09-15  Doug Kwan  <dougkwan@google.com>
2016
2017         * gold/testsuite/script_test_3.t: Add ARM special sections.
2018         * gold/testsuite/script_test_4.t: Same.
2019         * gold/testsuite/script_test_5.t: Same.
2020         * gold/testsuite/script_test_6.t: Same.
2021         * gold/testsuite/script_test_7.t: Same.
2022         * gold/testsuite/script_test_7.t: Same.
2023         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2024
2025 2010-09-14  Cary Coutant  <ccoutant@google.com>
2026
2027         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2028         (Target_x86_64::Relocate::relocate_tls): Replace check for
2029         saw_tls_block_reloc_ with test for executable section.
2030
2031 2010-09-12  Cary Coutant  <ccoutant@google.com>
2032
2033         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2034         position-independent executables to shared libraries need dynamic
2035         relocations.
2036         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2037         position-independent executables.
2038         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2039         * testsuite/Makefile.in: Regenerate.
2040
2041 2010-09-10  Nick Clifton  <nickc@redhat.com>
2042
2043         PR gold/11997
2044         * testsuite/memory_test.t: Discard any sections that are not
2045         needed.
2046
2047 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2048
2049         PR gold/11996
2050         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2051         "This::" to work around a bug in gcc 4.2.
2052
2053         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2054
2055 2010-09-09  Rafael Espindola  <espindola@google.com>
2056
2057         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2058         sections with different PF_X flags in the same segment.
2059         (Layout::find_first_load_seg): Search all segments to find the first
2060         one.
2061         * options.h (rosegment): New.
2062
2063 2010-09-08  Rafael Espindola  <espindola@google.com>
2064
2065         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2066
2067 2010-09-08  Doug Kwan  <dougkwan@google.com>
2068
2069         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2070         (Arm_relobj::do_relocate_sections): Add new parameter for output
2071         file to match the parent.
2072         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2073         of local symbols instead of input values.  Update code to track
2074         changes in gold::relocate_section.
2075         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2076         (Sized_relobj::compute_final_local_value_internal): New methods.
2077         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2078         body into private version of Sized_relobj::compute_final_local_value.
2079         Call the inline method.
2080         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2081         merged symbol value if there is one.
2082         (Symbol_value::has_output_value): New method defintiion.
2083         (Sized_relobj::Compute_final_local_value_status): New enum type.
2084         (Sized_relobj::compute_final_local_value): New methods.
2085         (Sized_relobj::compute_final_local_value_internal): New methods.
2086         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2087         and arm_cortex_a8.sh.
2088         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2089         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2090         New tests.
2091         * Makefile.in: Regenerate.
2092         * testsuite/arm_bl_out_of_range.s: Update test.
2093         * testsuite/thumb_bl_out_of_range.s: Ditto.
2094         * testsuite/thumb_blx_out_of_range.s: Ditto.
2095         * testsuite/arm_branch_out_of_range.sh: New file.
2096         * testsuite/arm_cortex_a8.sh: Ditto.
2097         * testsuite/arm_cortex_a8_b.s: Ditto.
2098         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2099         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2100         * testsuite/arm_cortex_a8_bl.s: Ditto.
2101         * testsuite/arm_cortex_a8_blx.s: Ditto.
2102         * testsuite/arm_cortex_a8_local.s: Ditto.
2103         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2104         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2105
2106 2010-09-08  Rafael Espindola  <espindola@google.com>
2107
2108         * Makefile.am (memory_test.stdout): Run readelf with -W.
2109         * Makefile.in: Regenerate.
2110         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2111         64 bit output.
2112
2113 2010-09-08  Rafael Espindola  <espindola@google.com>
2114
2115         * script-sections.cc (Script_sections::add_memory_region): Convert
2116         field precision to int.
2117         * script.cc (script_set_section_region, script_set_section_region):
2118         Convert field precision to int.
2119
2120 2010-09-08  Rafael Espindola  <espindola@google.com>
2121
2122         * arm.cc (do_finalize_sections): Create the __exidx_start and
2123         __exdix_end symbols even when the section is missing.
2124
2125 2010-09-08  Nick Clifton  <nickc@redhat.com>
2126
2127         * README: Remove claim that MEMORY is not supported.
2128         * expression.cc (script_exp_function_origin)
2129         (script_exp_function_length): Move from here to ...
2130         * script.cc: ... here.
2131         (script_set_section_region, script_add_memory)
2132         (script_parse_memory_attr, script_include_directive): New
2133         functions.
2134         * script-sections.cc
2135         (class Memory_region): New class.
2136         (class Output_section_definition): Add set_memory_region,
2137         set_section_vma, set_section_lma and get_section_name methods.
2138         (class Script_Sections): Add add_memory_region,
2139         find_memory_region, find_memory_region_origin,
2140         find_memory_region_length and set_memory_region methods.
2141         Have set_section_addresses method walk the list of set memory
2142         regions.
2143         Extend the print methos to display memory regions.
2144         * script-sections.h: Add prototypes for new methods.
2145         Add enum for MEMORY region attributes.
2146         * yyscript.y: Add support for parsing MEMORY regions.
2147         * script-c.h: Add prototypes for new functions.
2148         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2149         * testsuite/Makefile.in: Regenerate.
2150         * testsuite/memory_test.sh: New script.
2151         * testsuite/memory_test.s: New assembler source file.
2152         * testsuite/memory_test.t: New linker script.
2153
2154 2010-08-27  Doug Kwan  <dougkwan@google.com>
2155
2156         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2157         reference override an existing dynamic weak reference.
2158         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2159         * testsuite/Makefile.in: Regenerate.
2160         * testsuite/dyn_weak_ref.sh: New file.
2161         * testsuite/dyn_weak_ref_1.c: Ditto.
2162         * testsuite/dyn_weak_ref_2.c: Ditto.
2163
2164 2010-08-27  Ian Lance Taylor  <iant@google.com>
2165
2166         * incremental.h (class Incremental_input_entry): Add virtual
2167         destructor.
2168
2169 2010-08-27  Ian Lance Taylor  <iant@google.com>
2170
2171         * testsuite/start_lib_test_3.c: Mark t3 as used.
2172
2173 2010-08-27  Nick Clifton  <nickc@redhat.com>
2174
2175         * options.cc (version_script): Fix small typo in previous
2176         whitespace tidyup.
2177
2178 2010-08-25  Nick Clifton  <nickc@redhat.com>
2179
2180         * archive.cc: Formatting fixes: Remove whitespace between
2181         typename and following asterisk.  Remove whitespace between
2182         function name and opening parenthesis.
2183         * archive.h: Likewise.
2184         * arm.cc: Likewise.
2185         * attributes.cc: Likewise.
2186         * attributes.h: Likewise.
2187         * common.cc: Likewise.
2188         * copy-relocs.cc: Likewise.
2189         * dirsearch.h: Likewise.
2190         * dynobj.cc: Likewise.
2191         * ehframe.cc: Likewise.
2192         * ehframe.h: Likewise.
2193         * expression.cc: Likewise.
2194         * fileread.cc: Likewise.
2195         * fileread.h: Likewise.
2196         * gc.h: Likewise.
2197         * gold-threads.cc: Likewise.
2198         * gold.cc: Likewise.
2199         * i386.cc: Likewise.
2200         * icf.h: Likewise.
2201         * incremental-dump.cc: Likewise.
2202         * incremental.cc: Likewise.
2203         * layout.cc: Likewise.
2204         * layout.h: Likewise.
2205         * main.cc: Likewise.
2206         * merge.cc: Likewise.
2207         * merge.h: Likewise.
2208         * object.cc: Likewise.
2209         * object.h: Likewise.
2210         * options.cc: Likewise.
2211         * options.h: Likewise.
2212         * output.cc: Likewise.
2213         * output.h: Likewise.
2214         * plugin.cc: Likewise.
2215         * plugin.h: Likewise.
2216         * powerpc.cc: Likewise.
2217         * reloc.cc: Likewise.
2218         * script-c.h: Likewise.
2219         * script-sections.cc: Likewise.
2220         * script.cc: Likewise.
2221         * stringpool.cc: Likewise.
2222         * symtab.cc: Likewise.
2223         * symtab.h: Likewise.
2224         * target.cc: Likewise.
2225         * timer.cc: Likewise.
2226         * timer.h: Likewise.
2227         * version.cc: Likewise.
2228         * x86_64.cc: Likewise.
2229
2230 2010-08-24  Nick Clifton  <nickc@redhat.com>
2231
2232         PR 11899
2233         * layout.cc (segment_precedes): Sort segments by their physical
2234         addresses, if they have been set.
2235
2236 2010-08-23  Cary Coutant  <ccoutant@google.com>
2237
2238         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2239         symbols data.
2240         (Lib_group::include_member): Unlock object after deleting its
2241         symbols data.
2242         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2243         the bug fixed here.
2244
2245 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2246             Cary Coutant  <ccoutant@google.com>
2247
2248         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2249         constructor, and set_blocker.
2250         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2251         readsyms_blocker_.
2252         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2253         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2254         * testsuite/Makefile.am (start_lib_test): New test case.
2255         * testsuite/Makefile.in: Regenerate.
2256         * testsuite/start_lib_test_main.c: New file.
2257         * testsuite/start_lib_test_1.c: New file.
2258         * testsuite/start_lib_test_2.c: New file.
2259         * testsuite/start_lib_test_3.c: New file.
2260
2261 2010-08-19  Ian Lance Taylor  <iant@google.com>
2262
2263         * Makefile.in: Rebuild with automake 1.11.1.
2264         * aclocal.m4: Likewise.
2265         * testsuite/Makefile.in: Likewise.
2266
2267 2010-08-19  Ian Lance Taylor  <iant@google.com>
2268
2269         PR 10893
2270         * i386.cc (class Output_data_plt_i386): Update declarations.
2271         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2272         local_ifuncs_ fields.
2273         (Target_i386::do_plt_section_for_global): New function.
2274         (Target_i386::do_plt_section_for_local): New function.
2275         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2276         parameter; change all callers.  Initialize global_ifuncs_ and
2277         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2278         __rel_iplt_end.
2279         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2280         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2281         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2282         symbols.
2283         (Target_i386::make_plt_section): New function, broken out of
2284         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2285         (Target_i386::make_plt_entry): Call make_plt_section.
2286         (Target_i386::make_local_ifunc_plt_entry): New function.
2287         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2288         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2289         R_386_IRELATIVE to switch.
2290         (Target_i386::Scan::global): Likewise.
2291         (Target_i386::Relocate::relocate): Likewise.
2292         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2293         switch.
2294         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2295         (Target_x86_64::do_plt_section_for_global): New function.
2296         (Target_x86_64::do_plt_section_for_local): New function.
2297         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2298         parameter; change all callers.  If doing a static link define
2299         __rela_iplt_start and __rela_iplt_end.
2300         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2301         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2302         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2303         to point to .plt.
2304         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2305         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2306         switch.
2307         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2308         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2309         R_X86_64_IRELATIVE to switch.
2310         (Target_x86_64::Scan::global): Likewise.
2311         (Target_x86_64::Relocate::relocate): Likewise.
2312         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2313         switch.
2314         * target.h (class Target): Add plt_section_for_global and
2315         plt_section_for_local functions.  Add do_plt_section_for_global
2316         and do_plt_section_for_local virtual functions.
2317         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2318         clarifying comments.
2319         (Symbol::use_plt_offset): Handle IFUNC symbol.
2320         * object.cc (Sized_relobj::Sized_relobj): Initialize
2321         local_plt_offsets_.
2322         (Sized_relobj::local_has_plt_offset): New function.
2323         (Sized_relobj::local_plt_offset): New function.
2324         (Sized_relobj::set_local_plt_offset): New function.
2325         (Sized_relobj::do_count): Handle IFUNC symbol.
2326         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2327         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2328         is_ifunc_symbol functions.
2329         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2330         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2331         local_plt_offsets_ field.
2332         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2333         * output.h (class Output_section_data): Add non-const
2334         output_section function.
2335         (class Output_data_got): Update declarations.
2336         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2337         Add use_plt_offset parameter to global and local constructors.
2338         Change all callers.  Change local_sym_index_ field to 31 bits.
2339         Change GSYM_CODE and CONSTANT_CODE accordingly.
2340         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2341         doing a static link don't set sh_link field.
2342         (Output_data_got::Got_entry::write): Use PLT offset if
2343         appropriate.
2344         (Output_data_got::add_global_plt): New function.
2345         (Output_data_got::add_local_plt): New function.
2346         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2347         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2348         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2349         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2350         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2351         IFUNC conditional.
2352         * testsuite/ifunc-sel.h: New file.
2353         * testsuite/ifuncmain1.c: New file.
2354         * testsuite/ifuncmain1vis.c: New file.
2355         * testsuite/ifuncmod1.c: New file.
2356         * testsuite/ifuncdep2.c: New file.
2357         * testsuite/ifuncmain2.c: New file.
2358         * testsuite/ifuncmain3.c: New file.
2359         * testsuite/ifuncmod3.c: New file.
2360         * testsuite/ifuncmain4.c: New file.
2361         * testsuite/ifuncmain5.c: New file.
2362         * testsuite/ifuncmod5.c: New file.
2363         * testsuite/ifuncmain6pie.c: New file.
2364         * testsuite/ifuncmod6.c: New file.
2365         * testsuite/ifuncmain7.c: New file.
2366         * configure, testsuite/Makefile.in: Rebuild.
2367
2368 2010-08-18  Ian Lance Taylor  <iant@google.com>
2369
2370         * incremental.cc
2371         (Output_section_incremental_inputs::write_input_files): Add cast
2372         to avoid signed/unsigned comparison warning.
2373         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2374
2375 2010-08-12  Cary Coutant  <ccoutant@google.com>
2376
2377         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2378
2379 2010-08-13  Ian Lance Taylor  <iant@google.com>
2380
2381         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2382
2383 2010-08-12  Cary Coutant  <ccoutant@google.com>
2384             Doug Kwan  <dougkwan@google.com>
2385
2386         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2387         defintion overrides non-weak undef, remember that the original undef
2388         is not weak.
2389         * symtab.cc (Symbol_table::sized_write_global): For undef without
2390         an original weak binding, set binding to global in output.
2391         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2392         * testsuite/Makefile.in: Regenerate.
2393         * testsuite/strong_ref_weak_def.sh: New file.
2394         * testsuite/strong_ref_weak_def_1.c: Ditto.
2395         * testsuite/strong_ref_weak_def_2.c: Ditto.
2396
2397 2010-08-12  Cary Coutant  <ccoutant@google.com>
2398
2399         * testsuite/incremental_test.sh: Rewrite.
2400         * testsuite/incremental_test_1.c: Rewrite.
2401         * testsuite/incremental_test_2.c: Rewrite.
2402
2403 2010-08-12  Cary Coutant  <ccoutant@google.com>
2404
2405         * arm.cc (Target_arm::got_size): Add const.
2406         (Target_arm::got_entry_count): New function.
2407         (Target_arm::plt_entry_count): New function.
2408         (Target_arm::first_plt_entry_offset): New function.
2409         (Target_arm::plt_entry_size): New function.
2410         (Output_data_plt_arm::entry_count): New function.
2411         (Output_data_plt_arm::first_plt_entry_offset): New function.
2412         (Output_data_plt_arm::get_plt_entry_size): New function.
2413         * i386.cc (Target_i386::got_size): Add const.
2414         (Target_i386::got_entry_count): New function.
2415         (Target_i386::plt_entry_count): New function.
2416         (Target_i386::first_plt_entry_offset): New function.
2417         (Target_i386::plt_entry_size): New function.
2418         (Output_data_plt_i386::entry_count): New function.
2419         (Output_data_plt_i386::first_plt_entry_offset): New function.
2420         (Output_data_plt_i386::get_plt_entry_size): New function.
2421         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2422         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2423         * incremental.cc: Include target.h.
2424         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2425         parameter.  Adjust all callers.  Find incremental_got_plt section.
2426         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2427         section.
2428         (Output_section_incremental_inputs::set_final_data_size): Calculate
2429         size of incremental_got_plt section.
2430         (Output_section_incremental_inputs::do_write): Write the
2431         incremental_got_plt section.
2432         (Got_plt_view_info): New struct.
2433         (Local_got_offset_visitor): New class.
2434         (Global_got_offset_visitor): New class.
2435         (Global_symbol_visitor_got_plt): New class.
2436         (Output_section_incremental_inputs::write_got_plt): New function.
2437         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2438         Add parameter.  Adjust all callers.
2439         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2440         (Incremental_inputs::got_plt_section): New function.
2441         (Incremental_inputs::got_plt_section_): New data member.
2442         (Incremental_got_plt_reader): New class.
2443         * layout.cc (Layout::create_incremental_info_sections): Add the
2444         incremental_got_plt section.
2445         * object.h (Got_offset_list::get_list): New function.
2446         (Got offset_list::for_all_got_offsets): New function.
2447         (Sized_relobj::local_got_offset_list): New function.
2448         * powerpc.cc (Target_powerpc::got_size): Add const.
2449         (Target_powerpc::got_entry_count): New function.
2450         (Target_powerpc::plt_entry_count): New function.
2451         (Target_powerpc::first_plt_entry_offset): New function.
2452         (Target_powerpc::plt_entry_size): New function.
2453         (Output_data_plt_powerpc::entry_count): New function.
2454         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2455         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2456         * sparc.cc (Target_sparc::got_size): Add const.
2457         (Target_sparc::got_entry_count): New function.
2458         (Target_sparc::plt_entry_count): New function.
2459         (Target_sparc::first_plt_entry_offset): New function.
2460         (Target_sparc::plt_entry_size): New function.
2461         (Output_data_plt_sparc::entry_count): New function.
2462         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2463         (Output_data_plt_sparc::get_plt_entry_size): New function.
2464         * symtab.h (Symbol::got_offset_list): New function.
2465         (Symbol_table::for_all_symbols): New function.
2466         * target.h (Sized_target::got_entry_count): New function.
2467         (Sized_target::plt_entry_count): New function.
2468         (Sized_target::plt_entry_size): New function.
2469         * x86_64.cc (Target_x86_64::got_size): Add const.
2470         (Target_x86_64::got_entry_count): New function.
2471         (Target_x86_64::plt_entry_count): New function.
2472         (Target_x86_64::first_plt_entry_offset): New function.
2473         (Target_x86_64::plt_entry_size): New function.
2474         (Output_data_plt_x86_64::entry_count): New function.
2475         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2476         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2477
2478 2010-08-12  Cary Coutant  <ccoutant@google.com>
2479
2480         * archive.cc: Include incremental.h.
2481         (Archive::Archive): Initialize incremental_info_.
2482         (Archive::include_member): Record archive members in incremental info.
2483         (Add_archive_symbols::run): Record begin and end of an archive in
2484         incremental info.
2485         (Lib_group::include_member): Record objects in incremental info.
2486         * archive.h (Incremental_archive_entry): Forward declaration.
2487         (Archive::set_incremental_info): New member function.
2488         (Archive::incremental_info): New member function.
2489         (Archive::Unused_symbol_iterator): New class.
2490         (Archive::unused_symbols_begin): New member function.
2491         (Archive::unused_symbols_end): New member function.
2492         (Archive::incremental_info_): New data member.
2493         * incremental-dump.cc (find_input_containing_global): New function.
2494         (dump_incremental_inputs): Dump new incremental info sections.
2495         * incremental.cc: Include symtab.h.
2496         (Output_section_incremental_inputs): New class.
2497         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2498         new incremental info sections.
2499         (Sized_incremental_binary::do_check_inputs): Likewise.
2500         (Incremental_inputs::report_archive): Remove.
2501         (Incremental_inputs::report_archive_begin): New function.
2502         (Incremental_inputs::report_archive_end): New function.
2503         (Incremental_inputs::report_object): New function.
2504         (Incremental_inputs::finalize_inputs): Remove.
2505         (Incremental_inputs::report_input_section): New function.
2506         (Incremental_inputs::report_script): Rewrite.
2507         (Incremental_inputs::finalize): Do nothing but finalize string table.
2508         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2509         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2510         (Incremental_inputs::create_data_sections): New function.
2511         (Incremental_inputs::relocs_entsize): New function.
2512         (Output_section_incremental_inputs::set_final_data_size): New function.
2513         (Output_section_incremental_inputs::do_write): New function.
2514         (Output_section_incremental_inputs::write_header): New function.
2515         (Output_section_incremental_inputs::write_input_files): New function.
2516         (Output_section_incremental_inputs::write_info_blocks): New function.
2517         (Output_section_incremental_inputs::write_symtab): New function.
2518         * incremental.h (Incremental_script_entry): Forward declaration.
2519         (Incremental_object_entry): Forward declaration.
2520         (Incremental_archive_entry): Forward declaration.
2521         (Incremental_inputs): Forward declaration.
2522         (Incremental_inputs_header_data): Remove.
2523         (Incremental_inputs_header): Remove.
2524         (Incremental_inputs_header_write): Remove.
2525         (Incremental_inputs_entry_data): Remove.
2526         (Incremental_inputs_entry): Remove.
2527         (Incremental_inputs_entry_write): Remove.
2528         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2529         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2530         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2531         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2532         Likewise.
2533         (Incremental_input_entry): New class.
2534         (Incremental_script_entry): New class.
2535         (Incremental_object_entry): New class.
2536         (Incremental_archive_entry): New class.
2537         (Incremental_inputs::Incremental_inputs): Initialize new data members.
2538         (Incremental_inputs::report_inputs): Remove.
2539         (Incremental_inputs::report_archive): Remove.
2540         (Incremental_inputs::report_archive_begin): New function.
2541         (Incremental_inputs::report_archive_end): New function.
2542         (Incremental_inputs::report_object): Change prototype.
2543         (Incremental_inputs::report_input_section): New function.
2544         (Incremental_inputs::report_script): Change prototype.
2545         (Incremental_inputs::get_reloc_count): New function.
2546         (Incremental_inputs::set_reloc_count): New function.
2547         (Incremental_inputs::create_data_sections): New function.
2548         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2549         (Incremental_inputs::inputs_section): New function.
2550         (Incremental_inputs::symtab_section): New function.
2551         (Incremental_inputs::relocs_section): New function.
2552         (Incremental_inputs::get_stringpool): Add const.
2553         (Incremental_inputs::command_line): Add const.
2554         (Incremental_inputs::inputs): Remove.
2555         (Incremental_inputs::command_line_key): New function.
2556         (Incremental_inputs::input_file_count): New function.
2557         (Incremental_inputs::input_files): New function.
2558         (Incremental_inputs::relocs_entsize): New function.
2559         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2560         (Incremental_inputs::finalize_inputs): Remove.
2561         (Incremental_inputs::Input_info): Remove.
2562         (Incremental_inputs::lock_): Remove.
2563         (Incremental_inputs::inputs_): Change type.
2564         (Incremental_inputs::inputs_map_): Remove.
2565         (Incremental_inputs::current_object_entry_): New data member.
2566         (Incremental_inputs::inputs_section_): New data member.
2567         (Incremental_inputs::symtab_section_): New data member.
2568         (Incremental_inputs::relocs_section_): New data member.
2569         (Incremental_inputs::reloc_count_): New data member.
2570         (Incremental_inputs_reader): New class.
2571         (Incremental_symtab_reader): New class.
2572         (Incremental_relocs_reader): New class.
2573         * layout.cc (Layout::finalize): Move finalization of incremental info
2574         and creation of incremental info sections to follow finalization of
2575         symbol table.  Set offsets for postprocessing sections.
2576         (Layout::create_incremental_info_sections): Call
2577         Incremental_inputs::create_data_sections.  Add incremental symtab
2578         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
2579         sections to layout after input sections.
2580         * layout.h (struct Timespec): Forward declaration.
2581         (Layout::incremental_inputs): Add const.
2582         (Layout::create_incremental_info_sections): Add parameter.
2583         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
2584         * object.cc: Include incremental.h.
2585         (Relobj::finalize_incremental_relocs): New function.
2586         (Sized_relobj::do_layout): Record input sections in incremental info.
2587         * object.h (Object::output_section): New function.
2588         (Object::output_section_offset): Moved from Relobj.
2589         (Object::get_incremental_reloc_base): New function.
2590         (Object::get_incremental_reloc_count): New function.
2591         (Object::do_output_section): New function.
2592         (Object::do_output_section_offset): Moved from Relobj.
2593         (Object::do_get_incremental_reloc_base): New function.
2594         (Object::do_get_incremental_reloc_count): New function.
2595         (Object::Object): Initialize new data members.
2596         (Relobj::output_section): Renamed do_output_section and moved to
2597         protected.
2598         (Relobj::output_section_offset): Moved to Object.
2599         (Relobj::do_get_incremental_reloc_base): New function.
2600         (Relobj::do_get_incremental_reloc_count): New function.
2601         (Relobj::allocate_incremental_reloc_counts): New function.
2602         (Relobj::count_incremental_reloc): New function.
2603         (Relobj::finalize_incremental_relocs): New function.
2604         (Relobj::next_incremental_reloc_index): New function.
2605         (Relobj::reloc_counts_): New data member.
2606         (Relobj::reloc_bases_): New data member.
2607         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
2608         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
2609         (Sized_relobj::incremental_relocs_scan): New function.
2610         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2611         (Sized_relobj::incremental_relocs_write): New function.
2612         (Sized_relobj::incremental_relocs_write_reltype): New function.
2613         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
2614         incremental link.
2615         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
2616         archives and object files elsewhere.
2617         (Add_symbols::run): Report object files here.
2618         (Finish_group::run): Report end of archive at end of group.
2619         * reloc.cc: Include layout.h, incremental.h.
2620         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
2621         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
2622         (Sized_relobj::incremental_relocs_scan): New function.
2623         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2624         (Sized_relobj::do_relocate_sections): Write incremental relocations.
2625         (Sized_relobj::incremental_relocs_write): New function.
2626         (Sized_relobj::incremental_relocs_write_reltype): New function.
2627         * script.cc (read_input_script): Rewrite test for incremental link.
2628         Change call to Incremental_inputs::report_script.
2629         * symtab.h (Symbol_table::first_global_index): New function.
2630         (Symbol_table::output_count): New function.
2631
2632 2010-08-12  Doug Kwan  <dougkwan@google.com>
2633
2634         * arm.cc (Target_arm::merge_object_attributes): Check command line
2635         options --no-wchar-size-warning and --no-enum-size-warning.
2636         * options.h (General_options): Add ld-compatible options
2637         --no-enum-size-warning and --no-wchar-size-warning.
2638
2639 2010-08-04  Ian Lance Taylor  <iant@google.com>
2640
2641         * x86_64.cc (Target_x86_64::Scan::local): Use
2642         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
2643         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
2644         (Target_x86_64::Scan::global): Likewise.
2645         (Target_x86_64::Relocate::relocate): Likewise.
2646         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
2647         Likewise.
2648
2649 2010-08-03  Cary Coutant  <ccoutant@google.com>
2650
2651         * merge.cc (Output_merge_string::do_add_input_section): Count strings
2652         to reserve space in merged_strings vector. Keep total input size
2653         for stats.
2654         (Output_merge_string::do_print_merge_stats): Print total input size.
2655         * merge.h (Output_merge_string): Add input_size_ field.
2656         * stringpool.cc (Stringpool_template::string_length): Move
2657         implementations out of Stringpool_template class and place in
2658         stringpool.h.
2659         * stringpool.h (string_length): Move out of Stringpool_template.
2660
2661 2010-08-03  Ian Lance Taylor  <iant@google.com>
2662
2663         PR 11712
2664         * layout.cc (relaxation_loop_body): If address of load segment is
2665         set, adjust address to include headers if possible.
2666
2667 2010-08-03  Ian Lance Taylor  <iant@google.com>
2668
2669         * version.cc (version_string): Bump to 1.10.
2670
2671 2010-08-03  Ian Lance Taylor  <iant@google.com>
2672
2673         PR 11805
2674         * layout.h (enum Output_section_order): Define.
2675         (class Layout): Update declarations.
2676         * layout.cc (Layout::get_output_section): Add order parameter.
2677         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
2678         is_first_non_relro parameters.  Change all callers.
2679         (Layout::choose_output_section): Likewise.
2680         (Layout::add_output_section_data): Likewise.
2681         (Layout::make_output_section): Likewise.  Set order.
2682         (Layout::default_section_order): New function.
2683         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
2684         * output.cc (Output_section::Output_section): Initialize order_.
2685         Don't initialize deleted fields.
2686         (Output_segment::Output_segment): Don't initialize deleted
2687         fields.
2688         (Output_segment::add_output_section_to_load): New function
2689         replacing add_output_section.  Change all callers to call this or
2690         add_output_section_to_nonload.
2691         (Output_segment::add_output_section_to_nonload): New function.
2692         (Output_segment::remove_output_section): Rewrite.
2693         (Output_segment::add_initial_output_data): Likewise.
2694         (Output_segment::has_any_data_sections): Likewise.
2695         (Output_segment::is_first_section_relro): Likewise.
2696         (Output_segment::maximum_alignment): Likewise.
2697         (Output_segment::has_dynamic_reloc): New function replacing
2698         dynamic_reloc_count.  Change all callers.
2699         (Output_segment::has_dynamic_reloc_list): New function replacing
2700         dynamic_reloc_count_list.  Change all callers.
2701         (Output_segment::set_section_addresses): Rewrite.
2702         (Output_segment::set_offset): Rewrite.
2703         (Output_segment::find_first_and_last_list): Remove.
2704         (Output_segment::set_tls_offsets): Rewrite.
2705         (Output_segment::first_section_load_address): Likewise.
2706         (Output_segment::output_section_count): Likewise.
2707         (Output_segment::section_with_lowest_load_address): Likewise.
2708         (Output_segment::write_section_headers): Likewise.
2709         (Output_segment::print_sections_to_map): Likewise.
2710         * output.h (class Output_data): Remove dynamic_reloc_count_
2711         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2712         (Output_data::add_dynamic_reloc): Rewrite.
2713         (Output_data::has_dynamic_reloc): New function.
2714         (Output_data::dynamic_reloc_count): Remove.
2715         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2716         is_last_relro_, is_first_non_relro_, is_interp_,
2717         is_dynamic_linker_section_ fields.  Add order and set_order
2718         functions.  Remove is_relro_local, set_is_relro_local,
2719         is_last_relro, set_is_last_relro, is_first_non_relro,
2720         set_is_first_non_relro functions, is_interp, set_is_interp,
2721         is_dynamic_linker_section, and set_is_dynamic_linker_section
2722         functions.
2723         (class Output_segment): Change Output_data_list from std::list to
2724         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2725         output_bss_ fields.  Update declarations.
2726
2727 2010-08-02  Ian Lance Taylor  <iant@google.com>
2728
2729         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2730         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2731         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2732
2733 2010-08-02  Ian Lance Taylor  <iant@google.com>
2734
2735         PR 11855
2736         * script.cc (Script_options::Script_options): Initialize
2737         symbol_definitions_ and symbol_references_.
2738         (Script_options::add_symbol_assignment): Update
2739         symbol_definitions_ and symbol_references_.
2740         (Script_options::add_symbol_reference): New function.
2741         (script_symbol): New function.
2742         * script.h (class Script_options): Add symbol_definitions_ and
2743         symbol_references_ fields.
2744         (Script_options::referenced_const_iterator): New type.
2745         (Script_options::referenced_begin): New function.
2746         (Script_options::referenced_end): New function.
2747         (Script_options::is_referenced): New function.
2748         (Script_options::any_unreferenced): New function.
2749         * script-c.h (script_symbol): Declare.
2750         * yyscript.y (exp): Call script_symbol.
2751         * symtab.cc: Include "script.h".
2752         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2753         Change all callers.  Check symbols referenced by scripts.
2754         (Symbol_table::add_undefined_symbols_from_command_line): Add
2755         layout parameter.  Change all callers.
2756         (Symbol_table::do_add_undefined_symbols_from_command_line):
2757         Likewise.  Break out loop body.  Check symbols referenced by
2758         scripts.
2759         (Symbol_table::add_undefined_symbol_from_command_line): New
2760         function broken out of
2761         do_add_undefined_symbols_from_command_line.
2762         * symtab.h (class Symbol_table): Update declarations.
2763         * archive.cc: Include "layout.h".
2764         (Archive::should_include_member): Add layout parameter.  Change
2765         all callers.  Check for symbol mentioned in expression.
2766         * archive.h (class Archive): Update declaration.
2767         * object.cc (Sized_relobj::do_should_include_member): Add layout
2768         parameter.
2769         * object.h (Object::should_include_member): Add layout parameter.
2770         Change all callers.
2771         (Object::do_should_include_member): Add layout parameter.
2772         (class Sized_relobj): Update declaration.
2773         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2774         parameter.
2775         * dynobj.h (class Sized_dynobj): Update declaration.
2776         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2777         layout parameter.
2778         * plugin.h (class Sized_pluginobj): Update declaration.
2779
2780 2010-08-02  Ian Lance Taylor  <iant@google.com>
2781
2782         PR 11866
2783         * output.cc (Output_segment::set_offset): Search for the first and
2784         last sections rather than assuming that the list is in order.
2785         (Output_segment::find_first_and_last_list): New function.
2786         * output.h (class Output_segment): Update declarations.
2787         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2788         (relro_strip_test_SOURCES): New variable.
2789         (relro_strip_test_DEPENDENCIES): New variable.
2790         (relro_strip_test_LDFLAGS): New variable.
2791         (relro_strip_test_LDADD): New variable.
2792         (relro_strip_test.so): New target.
2793
2794 2010-08-02  Ian Lance Taylor  <iant@google.com>
2795
2796         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2797         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2798         (Target_i386::got_tlsdesc_section): New function.
2799         (Target_i386::got_section): Create space for GOT entries for
2800         TLSDESC relocations.
2801         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2802         R_386_TLS_GOTDESC.
2803         (Target_i386::Scan::global): Likewise.
2804         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2805         using TLSDESC GOT.
2806         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2807         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2808         (Target_x86_64::got_tlsdesc_section): New function.
2809         (Target_x86_64::got_section): Create space for GOT entries for
2810         TLSDESC relocations.
2811         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2812         R_386_TLS_GOTDESC.
2813         (Target_x86_64::Scan::global): Likewise.
2814         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2815         using TLSDESC GOT.
2816
2817 2010-08-02  Ian Lance Taylor  <iant@google.com>
2818
2819         * testsuite/final_layout.sh: Use dc to convert from hex to
2820         decimal.
2821
2822 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2823
2824         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2825         paramter to the call to gold::gc_process_relocs.
2826         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2827         paramter to the call to gold::gc_process_relocs.
2828         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2829         parameter to the call to gold::gc_process_relocs.
2830         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2831         template parameter to the call to gold::gc_process_relocs.
2832         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2833         paramter to the call to gold::gc_process_relocs.
2834         * gc.h (get_embedded_addend_size): New function.
2835         (gc_process_relocs): Save the size of the reloc for use by ICF.
2836         * icf.cc (get_section_contents): Get the addend from the text section
2837         for SHT_REL relocation sections.
2838         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2839         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2840         * int_encoding.h (read_from_pointer): New overloaded function.
2841         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2842         * testsuite/icf_sht_rel_addend_test.sh: New file.
2843         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2844         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2845
2846 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2847
2848         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2849         * Makefile.in: Regenerate.
2850         * testsuite/Makefile.in: Regenerate.
2851
2852 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2853
2854         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2855         * gold/testsuite/debug_msg.cc: Likewise.
2856         * gold/testsuite/odr_violation1.cc
2857         * gold/testsuite/odr_violation2.cc
2858
2859 2010-07-21  Cary Coutant  <ccoutant@google.com>
2860
2861         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2862         string, and length fields.
2863         (Output_merge_string::Merged_strings_list): New type.
2864         (Output_merge_string::Merged_strings_lists): New typedef.
2865         (Output_merge_string): Replace merged_strings_ with
2866         merged_strings_lists_.
2867         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2868         Merged_strings_list per input object and section.  Don't store pointer
2869         to the string.  Don't store length with each merged string entry.
2870         (Output_merge_string::finalize_merged_data): Loop over list of merged
2871         strings lists.  Recompute length of each merged string.
2872
2873 2010-07-15  Cary Coutant  <ccoutant@google.com>
2874
2875         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2876         here.
2877
2878 2010-07-14  Ian Lance Taylor  <iant@google.com>
2879
2880         * descriptors.cc (Descriptors::open): Report correct name in error
2881         message.
2882
2883 2010-07-13  Doug Kwan  <dougkwan@google.com>
2884
2885         * arm.cc (Arm_input_section::Arm_input_section): For a
2886         SHT_ARM_EXIDX section, always keeps the input sections.
2887         (Arm_input_section::set_exidx_section_link): New method.
2888         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2889         has_errors_ to false.
2890         (Arm_exidx_input_section::has_errors,
2891         Arm_exidx_input_section::set_has_errors): New methods.
2892         (Arm_exidx_input_section::has_errors_): New data member.
2893         (Arm_relobj::get_exidx_shndx_list): New method.
2894         (Arm_output_section::append_text_sections_to_list): Do not skip
2895         section without SHF_EXECINSTR.
2896         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2897         errors.
2898         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2899         section header.  Make error messages more verbose.  Check for
2900         a non-executable section linked to an EXIDX section.
2901         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2902         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2903         check that there is no deferred EXIDX section if we exit early.
2904         Instead of not making an EXIDX section in case of an error, make one
2905         and set the has_errors flag of it.
2906         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2907         in a relocatable link.
2908         (Target_arm::do_relax): Look for the EXIDX output section instead of
2909         assuming that it is called .ARM.exidx.
2910         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2911         section list.  Do not check for SHF_EXECINSTR section flags but
2912         skip any input section with errors.
2913         * output.cc (Output_section::Output_section): Initialize
2914         always_keeps_input_sections_ to false.
2915         (Output_section::add_input_section): Check for
2916         always_keeps_input_sections_.
2917         *  output.h (Output_section::always_keeps_input_sections,
2918         Output_section::set_always_keeps_input_sections): New methods.
2919         (Output_section::always_keeps_input_sections): New data member.
2920
2921 2010-07-13  Rafael Espindola  <espindola@google.com>
2922
2923         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2924         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2925
2926 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2927             Ian Lance Taylor  <iant@google.com>
2928
2929         * output.h (Output_section_lookup_maps::add_merge_section):
2930         Correct check of whether value was inserted.
2931         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2932         (Output_section_lookup_maps::add_relaxed_input_section):
2933         Likewise.
2934         * arm.cc (Target_arm::got_section): Remove used local os.
2935         * i386.cc (Target_i386::got_section): Likewise.
2936         * x86_64.cc (Target_x86_64::got_section): Likewise.
2937         * sparc.cc (Target_sparc::got_section): Likewise.
2938         (Target_sparc::relocate): Remove unused local have_got_offset.
2939         * powerpc.cc (Target_powerpc::relocate): Likewise.
2940
2941 2010-07-13  Ian Lance Taylor  <iant@google.com>
2942
2943         * compressed_output.cc (zlib_decompress): Fix signature in
2944         !HAVE_ZLIB_H case.
2945
2946         * archive.cc (Archive::include_member): Unlock an external member
2947         of a thin archive.  Don't bother to delete an object we know is
2948         NULL.
2949
2950 2010-07-12  Cary Coutant  <ccoutant@google.com>
2951
2952         * compressed_output.cc (zlib_decompress): New function.
2953         (get_uncompressed_size): New function.
2954         (decompress_input_section): New function.
2955         * compressed_output.h (get_uncompressed_size): New function.
2956         (decompress_input_section): New function.
2957         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2958         Handle compressed debug sections.
2959         * layout.cc (is_compressed_debug_section): New function.
2960         (Layout::output_section_name): Map compressed section names to
2961         canonical names.
2962         * layout.h (is_compressed_debug_section): New function.
2963         (is_debug_info_section): Recognize compressed debug sections.
2964         * merge.cc: Include compressed_output.h.
2965         (Output_merge_data::do_add_input_section): Handle compressed
2966         debug sections.
2967         (Output_merge_string::do_add_input_section): Handle compressed
2968         debug sections.
2969         * object.cc: Include compressed_output.h.
2970         (Sized_relobj::Sized_relobj): Initialize new data members.
2971         (build_compressed_section_map): New function.
2972         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2973         * object.h (Object::section_is_compressed): New method.
2974         (Object::do_section_is_compressed): New method.
2975         (Sized_relobj::Compressed_section_map): New type.
2976         (Sized_relobj::do_section_is_compressed): New method.
2977         (Sized_relobj::compressed_sections_): New data member.
2978         * output.cc (Output_section::add_input_section): Handle compressed
2979         debug sections.
2980         * reloc.cc: Include compressed_output.h.
2981         (Sized_relobj::write_sections): Handle compressed debug sections.
2982
2983 2010-07-08  Cary Coutant  <ccoutant@google.com>
2984
2985         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2986         weak when resolving to a dynamic def.
2987         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2988         for weak undef/dynamic def cases. Adjust callers.
2989         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2990         undef_binding_weak_.
2991         (Symbol_table::sized_write_globals): Adjust symbol binding.
2992         (Symbol_table::sized_write_symbol): Add binding parameter.
2993         * symtab.h (Symbol::set_undef_binding): New method.
2994         (Symbol::is_undef_binding_weak): New method.
2995         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2996         (Symbol_table::should_override): Add new parameter.
2997         (Symbol_table::sized_write_symbol): Add new parameter.
2998
2999         * testsuite/weak_undef_file1.cc: Add new test case.
3000         * testsuite/weak_undef_file2.cc: Fix header comment.
3001         * testsuite/weak_undef_test.cc: Add new test case.
3002
3003 2010-06-29  Doug Kwan  <dougkwan@google.com>
3004
3005         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3006         Initialize USE_SYMBOL_.
3007         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3008         definition.
3009         (Arm_reloc_property::uses_symbol_): New data member declaration.
3010         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3011         uses symbol value and symbol is undefined but not weakly undefined.
3012
3013 2010-06-28  Rafael Espindola  <espindola@google.com>
3014
3015         * plugin.cc (Plugin::load): Use dlerror.
3016
3017 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3018
3019         * symtab.cc (detect_odr_violations): When reporting an ODR
3020         violation, report an object where the symbol is defined.
3021
3022 2010-06-25  Doug Kwan  <dougkwan@google.com>
3023
3024         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3025         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3026         definition.
3027         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3028         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3029         target hook to detect function points.
3030         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3031         * icf.h (Icf::check_section_for_function_pointers): Change type of
3032         parameter SECTION_NAME to const reference to std::string.  Use
3033         target hook to determine if section may have unsafe pointers.
3034         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3035         method definition.
3036
3037 2010-06-21  Rafael Espindola  <espindola@google.com>
3038
3039         * fileread.cc (Input_file::find_fie): New
3040         (Input_file::open): Use Input_file::find_fie.
3041         * fileread.h (Input_file::find_fie): New
3042         * plugin.cc (set_extra_library_path): New.
3043         (Plugin::load): Add set_extra_library_path to the transfer vector.
3044         (Plugin_manager::set_extra_library_path): New.
3045         (Plugin_manager::add_input_file): Use the extra search path if set.
3046         (set_extra_library_path(): New.
3047         * plugin.h (Plugin_manager): Add set_extra_library_path and
3048         extra_search_path_.
3049
3050 2010-06-19  Cary Coutant  <ccoutant@google.com>
3051
3052         * layout.cc (gdb_sections): Add .debug_types.
3053         (lines_only_debug_sections): Likewise.
3054
3055 2010-06-18  Rafael Espindola  <espindola@google.com>
3056
3057         * plugin.cc (add_input_file,add_input_library)
3058         (Plugin_manager::add_input_file): Make filename arguments const.
3059         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3060         const.
3061
3062 2010-06-16  Doug Kwan  <dougkwan@google.com>
3063
3064         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3065         .ARM.attributes section if we have not merged any input
3066         attributes sections.
3067
3068 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3069
3070         * arm.cc: Allow combining objects with no EABI version
3071         information.
3072
3073 2010-06-15  Rafael Espindola  <espindola@google.com>
3074
3075         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3076
3077 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3078
3079         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3080         (struct iovec): Correct !HAVE_READV definition.
3081
3082 2010-06-10  Cary Coutant  <ccoutant@google.com>
3083
3084         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3085         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3086         reloc sections.
3087         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3088
3089         PR 11683
3090         * symtab.h (Symbol::is_placeholder): New member function.
3091         * target-reloc.h (relocate_section): Check for placeholder symbols.
3092
3093         * testsuite/Makefile.am (plugin_test_8): New test.
3094         (plugin_test_9): New test.
3095         * testsuite/Makefile.in: Regenerate.
3096
3097 2010-06-09  Nick Clifton  <nickc@redhat.com>
3098
3099         * yyscript.y (input_list_element): Allow strings prefixed with
3100         the '-' character.  Treat these as libraries.
3101         * script.cc (script_add_library): New function.  Adds a library
3102         specified by "-l<name>" found in an input script.
3103         * script-c.h: Add prototype for script_add_library.
3104
3105 2010-06-07  Doug Kwan  <dougkwan@google.com>
3106
3107         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3108         Restrict stub-group size to be within long conditional branch
3109         range when working around cortex-A8 erratum.
3110
3111 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3112
3113         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3114         #ifdef typo.
3115
3116 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3117
3118         PR gold/11658
3119         * output.cc
3120         (Output_section::Input_section_sort_entry::compare_section_ordering):
3121         Change to return non-zero correctly.
3122         (Output_section::Input_section_sort_section_order_index_compare
3123         ::operator()): Change to fix ambiguity in comparisons.
3124
3125 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3126
3127         * gold.h (is_wildcard_string): New function.
3128         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3129         (Layout::layout_eh_frame): Ditto.
3130         (Layout::find_section_order_index): New method.
3131         (Layout::read_layout_from_file): New method.
3132         * layout.h (Layout::find_section_order_index): New method.
3133         (Layout::read_layout_from_file): New method.
3134         (Layout::input_section_position_): New private member.
3135         (Layout::input_section_glob_): New private member.
3136         * main.cc (main): Call read_layout_from_file here.
3137         * options.h (--section-ordering-file): New option.
3138         * output.cc (Output_section::input_section_order_specified_): New
3139         member.
3140         (Output_section::Output_section): Initialize new member.
3141         (Output_section::add_input_section): Add new parameter.
3142         Keep input sections when --section-ordering-file is used.
3143         (Output_section::set_final_data_size): Sort input sections when
3144         section ordering file is specified.
3145         (Output_section::Input_section_sort_entry): Add new parameter.
3146         Check sorting type.
3147         (Output_section::Input_section_sort_entry::compare_section_ordering):
3148         New method.
3149         (Output_section::Input_section_sort_compare::operator()): Change to
3150         consider section_order_index.
3151         (Output_section::Input_section_sort_init_fini_compare::operator()):
3152         Change to consider section_order_index.
3153         (Output_section::Input_section_sort_section_order_index_compare
3154         ::operator()): New method.
3155         (Output_section::sort_attached_input_sections): Change to sort
3156         according to section order when specified.
3157         (Output_section::add_input_section<32, true>): Add new parameter.
3158         (Output_section::add_input_section<64, true>): Add new parameter.
3159         (Output_section::add_input_section<32, false>): Add new parameter.
3160         (Output_section::add_input_section<64, false>): Add new parameter.
3161         * output.h (Output_section::add_input_section): Add new parameter.
3162         (Output_section::input_section_order_specified): New
3163         method.
3164         (Output_section::set_input_section_order_specified): New method.
3165         (Input_section::Input_section): Initialize section_order_index_.
3166         (Input_section::section_order_index): New method.
3167         (Input_section::set_section_order_index): New method.
3168         (Input_section::section_order_index_): New member.
3169         (Input_section::Input_section_sort_section_order_index_compare): New
3170         struct.
3171         (Output_section::input_section_order_specified_): New member.
3172         * script-sections.cc (is_wildcard_string): Delete and move modified
3173         method to gold.h.
3174         (Output_section_element_input::Output_section_element_input): Modify
3175         call to is_wildcard_string.
3176         (Output_section_element_input::Input_section_pattern
3177         ::Input_section_pattern): Ditto.
3178         (Output_section_element_input::Output_section_element_input): Ditto.
3179         * testsuite/Makefile.am (final_layout): New test case.
3180         * testsuite/Makefile.in: Regenerate.
3181         * testsuite/final_layout.cc: New file.
3182         * testsuite/final_layout.sh: New file.
3183
3184 2010-06-01  Rafael Espindola  <espindola@google.com>
3185
3186         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3187
3188 2010-06-01  Rafael Espindola  <espindola@google.com>
3189
3190         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3191         visibility of symbols.
3192
3193 2010-05-27  Doug Kwan  <dougkwan@google.com>
3194
3195         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3196         from start of output section instead of address for a local symbol
3197         in a merged or relaxed section when doing a relocatable link.
3198
3199 2010-05-26  Rafael Espindola  <espindola@google.com>
3200
3201        PR 11604
3202         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3203         adding sections the garbage collector removed.
3204         * gold/testsuite/Makefile.am: Add test.
3205         * gold/testsuite/Makefile.in: Regenerate.
3206         * gold/testsuite/plugin_test_7.sh: New.
3207         * gold/testsuite/plugin_test_7_1.c: New.
3208         * gold/testsuite/plugin_test_7_2.c: New.
3209
3210 2010-05-26  Rafael Espindola  <espindola@google.com>
3211
3212         * script-sections.cc (Output_section_definition::set_section_addresses):
3213         Check for --section-start.
3214
3215 2010-05-26  Doug Kwan  <dougkwan@google.com>
3216
3217         * arm.cc (Arm_scan_relocatable_relocs): New class.
3218         (Target_arm::relocate_special_relocatable): New method.
3219         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3220         (Arm_relocate_functions::thumb_branch_common): Same.
3221         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3222         instead of Default_scan_relocatable_relocs.
3223         * target-reloc.h (relocate_for_relocatable): Let target handle
3224         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3225         * target.h (Sized_target::relocate_special_relocatable): New method.
3226
3227 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3228
3229         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3230
3231 2010-05-23  Doug Kwan  <dougkwan@google.com>
3232
3233         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3234         instead of a cast.
3235         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3236         with a direct branch, not a conditional branch, to a stub.
3237         * merge.cc (Output_merge_base::record_input_section): New method
3238         defintion.
3239         (Output_merge_data::do_add_input_section): Record input section if
3240         keeps-input-sections flag is set.
3241         (Output_merge_string::do_add_input_section): Ditto.
3242         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3243         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3244         INPUT_SECTIONS_.
3245         (Output_merge_base::keeps_input_sections,
3246         Output_merge_base::set_keeps_input_sections,
3247         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3248         method definitions.
3249         (Output_merge_base::Input_sections): New type declaration.
3250         (Output_merge_base::input_sections_begin,
3251         Output_merge_base::input_sections_end,
3252         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3253         (Output_merge_base::bool keeps_input_sections_,
3254         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3255         Output_merge_base::input_sections_): New data members.
3256         (Output_merge_data::do_set_keeps_input_sections): New method
3257         defintion.
3258         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3259         * output.cc (Output_section::Input_section::relobj): Move method
3260         defintion from class declaration to here and handle merge sections.
3261         (Output_section::Input_section::shndx): Ditto.
3262         (Output_section::Output_section): Remove initializations of removed
3263         data members and initialize new data member LOOKUP_MAPS_.
3264         (Output_section::add_input_section): Set keeps-input-sections flag
3265         for a newly created merge output section as appropriate.  Adjust code
3266         to use Output_section_lookup_maps class.
3267         (Output_section::add_relaxed_input_section): Adjst code for lookup
3268         maps code refactoring.
3269         (Output_section::add_merge_input_section): Add a new parameter
3270         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3271         class.  If adding input section to a newly created merge output
3272         section fails, remove the new merge section.
3273         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3274         Adjust code for use of the Output_section_lookup_maps class.
3275         (Output_section::find_merge_section): Ditto.
3276         (Output_section::build_lookup_maps): New method defintion.
3277         (Output_section::find_relaxed_input_section): Adjust code to use
3278         Output_section_lookup_maps class.
3279         (Output_section::get_input_sections): Export merge sections.  Adjust
3280         code to use Output_section_lookup_maps class.
3281         (Output_section:::add_script_input_section): Adjust code to use
3282         Output_section_lookup_maps class.  Update lookup maps for merge
3283         sections also.
3284         (Output_section::discard_states): Use Output_section_lookup_maps.
3285         (Output_section::restore_states): Same.
3286         * output.h (Merge_section_properties): Move class defintion out of
3287         Output_section.
3288         (Output_section_lookup_maps): New class.
3289         (Output_section::Input_section::is_merge_section): New method
3290         defintion.
3291         (Output_section::Input_section::relobj): Move defintion out of class
3292         defintion.  Declare method only.
3293         (Output_section::Input_section::shndx): Ditto.
3294         (Output_section::Input_section::output_merge_base): New method defintion.
3295         (Output_section::Input_section::u2_.pomb): New union field.
3296         (Output_section::Merge_section_by_properties_map,
3297         Output_section::Output_section_data_by_input_section_map,
3298         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3299         Remove types.
3300         (Output_section::add_merge_input_section): Add new parameter
3301         KEEPS_INPUT_SECTIONS.
3302         (Output_section::build_lookup_maps): New method declaration.
3303         (Output_section::merge_section_map_,
3304         Output_section::merge_section_by_properties_map_,
3305         Output_section::relaxed_input_section_map_,
3306         Output_section::is_relaxed_input_section_map_valid_): Remove data
3307         members.
3308         (Output_section::lookup_maps_): New data member.
3309
3310 2010-05-21  Doug Kwan  <dougkwan@google.com>
3311
3312         PR gold/11619
3313         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3314         avoid a compilation error.
3315
3316 2010-05-19  Rafael Espindola  <espindola@google.com>
3317
3318         * script-sections.cc (Output_section_definition::allocate_to_segment):
3319         Update the phdrs_list even when the output section is NULL.
3320         * testsuite/Makefile.am: Add test.
3321         * testsuite/Makefile.in: Regenerate.
3322         * testsuite/script_test_9.cc: New.
3323         * testsuite/script_test_9.sh: New.
3324         * testsuite/script_test_9.t: New.
3325
3326 2010-05-19  Doug Kwan  <dougkwan@google.com>
3327
3328         * arm.cc (Arm_input_section::original_size): New method.
3329         (Arm_input_section::do_addralign): Add a cast.
3330         (Arm_input_section::do_output_offset): Remove static cast.
3331         (Arm_input_section::original_addralign,
3332          Arm_input_section::original_size_): Change type to uint32_t.
3333         (Arm_input_section::init): Add safe casts for section alignment
3334         and size.
3335         (Arm_input_section::set_final_data_size): Do not set address and
3336         offset of stub table.
3337         (Arm_output_section::fix_exidx_coverage): Change use of of
3338         Output_section::Simple_input_section to that of
3339         Output_section::Input_section.
3340         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3341         except for the first pass.
3342         * output.cc (Output_section::get_input_sections): Change type of
3343         input_sections to std::list<Input_section>.
3344         (Output_section::add_script_input_section): Rename from
3345         Output_section::add_simple_input_section.  Change type of SIS
3346         parameter from Simple_input_section to Input_section.
3347         * output.h (Output_section::Simple_input_section): Remove class.
3348         (Output_section::Input_section): Change class visibility to public.
3349         (Output_section::Input_section::addralign): Use stored alignments
3350         for special input sections if set.
3351         (Output_section::Input_section::set_addralign): New method.
3352         (Output_section::get_input_sections): Change parameter type from
3353         list of Simple_input_section to list of Input_section.
3354         (Output_section::add_script_input_section): Rename from
3355         Output_section::add_simple_input_section. Change first parameter's
3356         type from Simple_input_section to Input_section and remove the
3357         second and third parameters.
3358         * script-sections.cc (Input_section::Input_section_list): Change
3359         type to list of Output_section::Input_section/
3360         (Input_section_info::Input_section_info): Change parameter type of
3361         INPUT_SECTION to Output_section::Input_section.
3362         (Input_section_info::input_section): Change return type.
3363         (Input_section_info::input_section_): Change type to
3364         Output_section::Input_section.
3365         (Output_section_element_input::set_section_addresses): Adjust code
3366         to use Output_section::Input_section instead of
3367         Output_section::Simple_input_section.  Adjust code for renaming
3368         of Output_section::add_simple_input_section.
3369         (Orphan_output_section::set_section_addresses): Ditto.
3370
3371 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3372
3373         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3374         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3375
3376 2010-05-18  Rafael Espindola  <espindola@google.com>
3377
3378         * options.cc (General_options::finalize): Handle -nostdlib.
3379         * options.h (nostdlib): New option.
3380         * script.cc (script_add_search_dir): Handle -nostdlib.
3381
3382 2010-05-12  Doug Kwan  <dougkwan@google.com>
3383
3384         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3385         attributes section only if there no attributes section after merging.
3386         (Target_arm::merge_object_attributes): Move value of
3387         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3388         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3389         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3390         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3391         and arm_attr_merge_7.stdout.
3392         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3393         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3394         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3395         arm_attr_merge_7b.o): New rules.
3396         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3397         arm_attr_merge_7
3398         * testsuite/Makefile.in: Regenerate.
3399         * testsuite/arm_attr_merge.sh: New file.
3400         * testsuite/arm_attr_merge_[67][ab].s: Same.
3401
3402 2010-05-05  Nick Clifton  <nickc@redhat.com>
3403
3404         * po/es.po: Updated Spanish translation.
3405
3406 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3407
3408         * Makefile.am (install-exec-local): Properly install gold as
3409         default cross linker.
3410         * Makefile.in: Regenerated.
3411
3412 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3413             Nick Clifton  <nickc@redhat.com>
3414
3415         * configure.ac (install_as_default): Define and set to false
3416         unless --enable-gold or --enable-gold=both/gold has been
3417         specified.
3418         * configure: Regenerate.
3419
3420         * Makefile.am (install-exec-local): Install the executable as
3421         'ld.gold'.  If install_as_default is true then also install it as
3422         'ld'.
3423         * Makefile.in: Regenerated.
3424
3425 2010-04-24  Ian Lance Taylor  <iant@google.com>
3426
3427         * layout.cc (Layout::layout_reloc): In relocatable link don't
3428         combine reloc sections for grouped sections.
3429
3430 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3431
3432         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3433         sections that are not ordinary to icf.
3434         * icf.cc (get_section_contents): Handle relocation pointing to section
3435         with no object or shndx information.
3436         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3437         * testsuite/Makefile.in: Regenerate.
3438         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3439         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3440
3441 2010-04-22  Ian Lance Taylor  <iant@google.com>
3442
3443         * expression.cc (Expression::Expression_eval_info): Add
3444         result_alignment_pointer field.
3445         (Expression::eval_with_dot): Add result_alignment_pointer
3446         parameter.  Change all callers.
3447         (Expression::eval_maybe_dot): Likewise.
3448         (class Binary_expression): Add alignment_pointer parameter to
3449         left_value and right_value.  Change all callers.
3450         (BINARY_EXPRESSION): Set result alignment.
3451         (class Trinary_expression): Add alignment_pointer parameter to
3452         arg2_value and arg3_value.  Change all callers.
3453         (Trinary_cond::value): Set result alignment.
3454         (Max_expression::value, Min_expression::value): Likewise.
3455         (Align_expression::value): Likewise.
3456         * script-sections.cc (class Sections_element): Add dot_alignment
3457         parameter to set_section_addresses virtual function.  Update
3458         instantiations.
3459         (class Output_section_element): Likewise.
3460         (Script_sections::create_segments): Add dot_alignment parameter.
3461         Change all callers.
3462         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3463         (Script_sections::set_phdrs_clause_addresses): Likewise.
3464         * script-sections.h: Update declarations.
3465         * script.h: Update declarations.
3466         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3467         min_p_align.
3468         * testsuite/script_test_3.t: Set large alignment.
3469         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3470         segment has expected alignment.
3471
3472 2010-04-22  Nick Clifton  <nickc@redhat.com>
3473
3474         * po/gold.pot: Updated by the Translation project.
3475         * po/vi.po: Updated Vietnamese translation.
3476
3477 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3478
3479         * testsuite/Makefile.am (check_PROGRAMS): Add
3480         icf_virtual_function_folding_test.
3481         * testsuite/Makefile.in: Regenerated.
3482
3483 2010-04-15  Andrew Haley  <aph@redhat.com>
3484
3485         * options.h (merge_exidx_entries): New option.
3486         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3487         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3488         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3489         (Target_arm::merge_exidx_entries): New function.
3490         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3491         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3492         to Arm_exidx_fixup constructor.
3493         Add new arg, merge_exidx_entries.
3494         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3495         Arm_output_section::fix_exidx_coverage.
3496
3497 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3498
3499         * icf.cc (get_section_contents): Check for preemptible functions.
3500         Ignore addend when appropriate.
3501         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3502         section folded.
3503         (add_from_relobj): Check for section folded.
3504         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3505         * symtab.h (should_add_dynsym_entry): Add new parameter.
3506         * target-reloc.h (scan_relocs): Check for section folded.
3507         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3508         Check reloc types for function pointers in shared objects.
3509         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3510         case.
3511         (icf_preemptible_functions_test): New test case.
3512         (icf_string_merge_test): New test case.
3513         * testsuite.Makefile.in: Regenerate.
3514         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3515         bar_glob.  Refactor code.
3516         * testsuite/icf_preemptible_functions_test.cc: New file.
3517         * testsuite/icf_preemptible_functions_test.sh: New file.
3518         * testsuite/icf_string_merge_test.cc: New file.
3519         * testsuite/icf_string_merge_test.sh: New file.
3520         * testsuite/icf_virtual_function_folding_test.cc: New file.
3521         * testsuite/icf_virtual_function_folding_test.sh: New file.
3522
3523 2010-04-14  Doug Kwan  <dougkwan@google.com>
3524
3525         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3526         for local symbol recounting if we remove a section due to ICF.
3527         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3528         there are no regular objects in input.
3529
3530 2010-04-13  Doug Kwan  <dougkwan@google.com>
3531
3532         * arm.cc (Arm_input_section::set_final_data_size): Compute
3533         accurate final data size instead of using current data size.
3534
3535 2010-04-09  Doug Kwan  <dougkwan@google.com>
3536
3537         * layout.cc (Layout::choose_output_section): Handle script section
3538         types.
3539         (Layout::make_output_section_for_script): Add section type parameter.
3540         Handle script section types.
3541         * layout.h (Layout::make_output_section_for_script): Add section
3542         type parameter.
3543         * output.cc (Output_section::Output_section): Initialize data member
3544         is_noload_.
3545         (Output_section::do_reset_address_and_file_offset): Do not set address
3546         to 0 if section is a NOLOAD section.
3547         * output.h (Output_section::is_noload): New method.
3548         (Output_section::set_is_noload): Ditto.
3549         (Output_section::is_noload_): New data member.
3550         * script-c.h (Script_section_type): New enum type.
3551         (struct Parser_output_section_header): Add new file section_type.
3552         * script-sections.cc (Sections_element::output_section_name): Add
3553         parameter for returning script section type.
3554         (Output_section_definition::output_section_name): Ditto.
3555         (Output_section_definition::section_type)P; New method.
3556         (Output_section_definiton::script_section_type_name): Ditto.
3557         (Output_section_definition::script_section_type_): New data member.
3558         (Output_section_definition::Output_section_definition): Initialize
3559         data member Output_section_definition::script_section_type_.
3560         (Output_section_definition::create_sections): Pass script section type
3561         to Layout::make_output_section_for_script.
3562         (Output_section_definition::output_section_name): Return script
3563         section type to caller.
3564         (Output_section_definition::set_section_address): Do not advance
3565         dot value and load address if section type is NOLOAD.  Set address
3566         of NOLOAD sections regardless of section flags.
3567         (Output_section_definition::print): Print section type if it is
3568         not SCRIPT_SECTION_TYPE_NONE.
3569         (Output_section_definition::section_type): New method.
3570         (Output_section_definition::script_section_type_name): Ditto.
3571         (Script_sections::output_section_name): Add new parameter
3572         PSECTION_TYPE for returning script section type.  Pass it to
3573         section elements.  Handle discard sections.
3574         (Sort_output_sections::operator()): Handle NOLOAD sections.
3575         * script-sections.h (Script_sections::Section_type): New enum type.
3576         (Script_sections::output_section_name): Add a new parameter for
3577         returning script section type.
3578         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
3579         INFO and NOLOAD.
3580         * yyscript.y (union): Add new field SECTION_TYPE.
3581         (COPY, DSECT, INFO, NOLOAD): New tokens.
3582         (opt_address_and_section_type): Change type to output_section_header.
3583         (section_type): New non-terminal
3584         (section_header): Handle section type.
3585         (opt_address_and_section_type): Return section type value.
3586
3587 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3588
3589         * testsuite/plugin_common_test_1.c (foo): Add prototype.
3590         * testsuite/plugin_common_test_2.c (foo): Likewise.
3591
3592 2010-04-08  Doug Kwan  <dougkwan@google.com>
3593
3594         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
3595         Output_merge_data.
3596         * output.cc (Output_section::add_merge_input_section): Simplify
3597         code and return status of Output_merge_base::add_input_section.
3598         Update merge section map only if Output_merge_base::add_input_section
3599         returns true.
3600
3601 2010-04-07  Doug Kwan  <dougkwan@google.com>
3602
3603         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
3604         if section is marked as containing instructions but has no mapping
3605         symbols.
3606         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
3607         correct section index.
3608         (Arm_relobj::find_linked_text_section): Ditto.
3609
3610 2010-04-07  Cary Coutant  <ccoutant@google.com>
3611
3612         * archive.cc (include_member): Destroy Read_symbols_data object before
3613         releasing file.
3614         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
3615         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
3616         (Read_symbols_data::~Read_symbols_data) New destructor.
3617         (Section_relocs::Section_relocs) New constructor.
3618         (Section_relocs::~Section_relocs) New destructor.
3619         (Read_relocs_data::Read_relocs_data) New constructor.
3620         (Read_relocs_data::~Read_relocs_data) New destructor.
3621         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
3622         pointers to NULL after deleting.
3623
3624 2010-04-07  Doug Kwan  <dougkwan@google.com>
3625
3626         * arm.cc: Replace "endianity" with "endianness" in comments.
3627         (Arm_exidx_cantunwind): Ditto.
3628         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
3629         (Arm_relobj::merge_flags_and_attributes): New method.
3630         (Arm_relobj::merge_flags_and_attributes_): New data member.
3631         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
3632         (Arm_relobj::scan_sections_for_stubs): Ditto.
3633         (Arm_relobj::do_read_symbols): Check to see if we really want to
3634         merge processor-specific flags and attributes.  Exit early if
3635         an object is empty except for section names and the undefined symbol.
3636         (Target_arm::do_finalize_sections): Move check for ELF format to
3637         Arm_relobj::do_read_symbols.  Merge processor specific flags and
3638         attributes from a regular object only when we have determined that
3639         it is aapropriate.  Do not create an .ARM.attributes section in
3640         output if there is no regular input object.
3641         (Target_arm::merge_processor_specific_flags): Check
3642         --warn-mismatch before printing any error.
3643         (Target_arm::merge_object_attributes): Ditto.
3644         * gold.cc (queue_middle_tasks): Handle the case in which there is
3645         no regular object in input.
3646         * options.cc (General_options::parse_EB): New method.
3647         (General_options::parse_EL): Same.
3648         (General_options::General_options): Initialize endianness_.
3649         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
3650         New options.
3651         (General_options::Endianness): New enum.
3652         (General_options::endianness): New method.
3653         (General_options::endianness_): New data member.
3654         * parameters.cc (Parameters::set_options): Check target endianness.
3655         (Parameters::set_target_once): Ditto.
3656         (Parameters::check_target_endianness): New method.
3657         (parameters_force_valid_target): If either -EL or -EB is specified,
3658         use it to define endianness of default target.
3659         * parameters.h (Parameters::check_target_endianness): New method
3660         declaration.
3661         * target.h (class Target): Change "endianity" to "endianness"
3662         in comments.
3663
3664 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3665
3666         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
3667         * configure: Regenerate.
3668         * Makefile.in: Regenerate.
3669         * testsuite/Makefile.in: Regenerate.
3670
3671 2010-04-06  Cary Coutant  <ccoutant@google.com>
3672
3673         gcc PR lto/42757
3674         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
3675         prevailing definitions of common symbols.
3676         * testsuite/plugin_test_6.sh: New test case.
3677         * testsuite/plugin_common_test_1.c: New test case.
3678         * testsuite/plugin_common_test_2.c: New test case.
3679         * testsuite/Makefile.am (plugin_test_6): New test case.
3680         * testsuite/Makefile.in: Regenerate.
3681
3682 2010-04-06  Nick Clifton  <nickc@redhat.com>
3683
3684         * po/vi.po: New Vietnamese translation.
3685
3686 2010-03-30  Doug Kwan  <dougkwan@google.com>
3687
3688         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
3689
3690 2010-03-25  Doug Kwan  <dougkwan@google.com>
3691
3692         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3693         to avoid a conversion warning on a 32-bit host.
3694
3695 2010-03-24  Ian Lance Taylor  <iant@google.com>
3696
3697         * testsuite/script_test_3.t: Add a TLS segment.
3698         * testsuite/Makefile.am (check_PROGRAMS): Add
3699         tls_phdrs_script_test.
3700         (tls_phdrs_script_test_SOURCES): Define.
3701         (tls_phdrs_script_test_DEPENDENCIES): Define.
3702         (tls_phdrs_script_test_LDFLAGS): Define.
3703         (tls_phdrs_script_test_LDADD): Define.
3704         * testsuite/Makefile.in: Rebuild.
3705
3706 2010-03-23  Cary Coutant  <ccoutant@google.com>
3707
3708         * fileread.cc (find_or_make_view): Fix comment.
3709
3710 2010-03-23  Ian Lance Taylor  <iant@google.com>
3711
3712         * script-sections.cc (class Orphan_section_placement): Define
3713         PLACE_TLS and PLACE_TLS_BSS.
3714         (Orphan_section_placement::Orphan_section_placement): Initialize
3715         new places.
3716         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3717         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3718         (tls_script_test_SOURCES): Define.
3719         (tls_script_test_DEPENDENCIES): Define.
3720         (tls_script_test_LDFLAGS): Define.
3721         (tls_script_test_LDADD): Define.
3722         * testsuite/Makefile.in: Rebuild.
3723
3724 2010-03-22  Doug Kwan  <dougkwan@google.com>
3725
3726         * arm.cc (Arm_relocate_functions::abs8,
3727         Arm_relocate_functions::abs16): Use correct check for overflow
3728         specified in the ARM ELF specs.
3729         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3730         target of a BLX instruction specially.
3731         (Reloc_stub::stub_type_for_reloc): Ditto.
3732         (Relocate::relocate): Use symbolic names instead of numeric relocation
3733         codes to report error.
3734         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3735         workaround.
3736         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3737         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3738         thumb2_blx_out_of_range.stdout
3739         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3740         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3741         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3742         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3743         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3744         thumb2_blx_in_range, thumb2_blx_in_range.o,
3745         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3746         thumb2_blx_out_of_range.o): New rules.
3747         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3748         thumb2_blx_in_range and thumb2_blx_out_of_range.
3749         * testsuite/Makefile.in: Regenerate.
3750         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3751         * testsuite/thumb_blx_in_range.s: New file.
3752         * testsuite/thumb_blx_out_of_range.s: New file.
3753
3754 2010-03-22  Rafael Espindola  <espindola@google.com>
3755
3756         * archive.cc (Should_include): Move to archive.h.
3757         (should_include_member): Make it a member of Archive.
3758         (Lib_group): New.
3759         (Add_lib_group_symbols): New.
3760         * archive.h: Include options.h.
3761         (Archive_member): Moved from Archive.
3762         (Should_include): Moved from archive.cc.
3763         (Lib_group): New.
3764         (Add_lib_group_symbols): New.
3765         * dynobj.cc (do_should_include_member): New.
3766         * dynobj.h (do_should_include_member): New.
3767         * gold.cc (queue_initial_tasks): Update call to queue.
3768         * main.cc (main): Print lib group stats.
3769         * object.cc (do_should_include_member): New.
3770         * object.h: Include archive.h.
3771         (Object::should_include_member): New.
3772         (Object::do_should_include_member): New.
3773         (Sized_relobj::do_should_include_member): New.
3774         * options.cc (General_options::parse_start_lib): New.
3775         (General_options::parse_end_lib): New.
3776         (Input_arguments::add_file): Handle lib groups.
3777         (Input_arguments::start_group): Check we are not in a lib.
3778         (Input_arguments::start_lib): New.
3779         (Input_arguments::end_lib): New.
3780         * options.h (General_options): Add start_lib and end_lib.
3781         (Input_argument::lib_): New.
3782         (Input_argument::lib): New.
3783         (Input_argument::is_lib): New.
3784         (Input_file_lib): New.
3785         (Input_arguments::in_lib_): New.
3786         (Input_arguments::in_lib): New.
3787         (Input_arguments::start_lib): New.
3788         (Input_arguments::end_lib_): New.
3789         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3790         in unused members as preempted.
3791         (Sized_pluginobj::do_should_include_member): New.
3792         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3793         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3794         return the blocker.
3795         (Read_symbols::do_whole_lib_group): New.
3796         (Read_symbols::do_lib_group): New.
3797         (Read_symbols::do_read_symbols): Handle lib groups.
3798         (Read_symbols::get_name): Handle lib groups.
3799         * readsyms.h (Read_symbols): Add an archive member pointer.
3800         (Read_symbols::do_whole_lib_group): New.
3801         (Read_symbols::do_lib_group): New.
3802         (Read_symbols::member_): New.
3803         * script.cc (read_input_script): Update call to queue_soon.
3804
3805 2010-03-19  Doug Kwan  <dougkwan@google.com>
3806
3807         * arm.cc (Stub_table::Stub_table): Initialize new data members
3808         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3809         (Stub_table::add_reloc_stub): Assign stub offset and update
3810         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3811         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3812         New data members.
3813         (Stub_table::update_data_size_and_addralign): Use
3814         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3815         instead of going over all reloc stubs.
3816         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3817         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3818         Stringpool_template::offset_ to size of Stringpool_char.
3819         (Stringpool_template::new_key_offset): Remove code to initialize
3820         Stringpool_template::offset_.
3821         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3822         Stringpool_template::offset_ to zero.
3823
3824 2010-03-15  Doug Kwan  <dougkwan@google.com>
3825
3826         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3827         offset_.
3828         (Stringpool_template::new_key_offset): New method.
3829         (Stringpool_template::add_string): Assign offsets when adding new
3830         strings.
3831         (Stringpool_template::set_string_offsets): Do not set string offsets
3832         when not optimizing.
3833         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3834         member size_.
3835         (Chunked_vector::clear): Clear size_.
3836         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3837         (Chunked_vector::size): Return size_.
3838         (Chunked_vector::push_back): Use size_ to find insert position.
3839         (Chunked_vector::size_): New data member.
3840         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3841         (Stringpool_template::new_key_offset): New method declaration.
3842         (Stringpool_template::offset_): New data member.
3843
3844 2010-03-15   Rafael Espindola  <espindola@google.com>
3845
3846         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3847         Add_symbols' constructor.
3848         * readsyms.h (Add_symbols): Remove the input_group member.
3849
3850 2010-03-10  Ian Lance Taylor  <iant@google.com>
3851
3852         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3853         target to ask whether a reference to a symbol requires a stack
3854         split.
3855         * target.h (Target::is_call_to_non_split): New function.
3856         (Target::do_is_call_to_non_split): Declare virtual function.
3857         * target.cc: Include "symtab.h".
3858         (Target::do_is_call_to_non_split): New function.
3859         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3860
3861 2010-03-10  Cary Coutant  <ccoutant@google.com>
3862
3863         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3864         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3865         (File_read::open[2]): Add whole_file_view_ to list of views.
3866         (File_read::make_view): Remove test of whole_file_view_.
3867         (File_read::find_or_make_view): Create whole_file_view_ if
3868         necessary.
3869         (File_read::clear_views): Replace bool parameter with enum;
3870         adjust all callers.  Don't delete views with permanent data;
3871         do delete cached views and views from archives if
3872         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3873         if clearing the corresponding view.
3874         * fileread.h (File_read::Clear_views_mode): New enum.
3875         (File_read::View::is_permanent_view): New method.
3876         (File_read::clear_views): Replace bool parameter
3877         with enum; adjust all callers.
3878         * options.h (General_options): Change keep_files_mapped option;
3879         add map_whole_files.
3880         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3881         releasing the file.
3882         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3883         the file.
3884
3885 2010-03-10  David S. Miller  <davem@davemloft.net>
3886
3887         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3888
3889 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3890
3891         * icf.cc (get_section_contents): Add '@' marker after processing the
3892         merge reloc.
3893
3894 2010-03-08  Doug Kwan  <dougkwan@google.com>
3895
3896         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3897         due to a conversion warning.
3898         (Arm_relobj::update_output_local_symbol_count): Check for local
3899         symbol with unset output index.
3900
3901 2010-03-05  Ian Lance Taylor  <iant@google.com>
3902
3903         * options.h (class General_options): Add --spare-dynamic-tags.
3904         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3905         --spare-dynamic-tags.
3906
3907 2010-03-05  Ian Lance Taylor  <iant@google.com>
3908
3909         * incremental.cc: Include "libiberty.h".
3910
3911 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3912
3913         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3914         function, is_info_ member.
3915         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3916         (Versions::Versions): Update caller.
3917         (Versions::define_base_version): Likewise.
3918         (Versions::add_def): Likewise.
3919
3920 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3921
3922         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3923         (Scan::possible_function_pointer_reloc): New function.
3924         (Scan::local_reloc_may_be_function_pointer): Change to call
3925         possible_function_pointer_reloc.
3926         (Scan::global_reloc_may_be_function_pointer): Ditto.
3927         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3928         relocations in ".data.rel.ro._ZTV" section.
3929         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3930         * testsuite/icf_safe_so_test.cc: Ditto.
3931         * testsuite/icf_safe_test.cc: Ditto.
3932         * testsuite/icf_safe_test.sh: Ditto.
3933
3934 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3935             Ian Lance Taylor  <iant@google.com>
3936
3937         * target-reloc.h (relocate_section): Check the symbol table index
3938         for -1U before setting the local symbol index.
3939         (scan_relocatable_relocs): If copying the relocation, record that
3940         the local symbol is required.
3941         * object.h (Symbol_value::is_output_symtab_index_set): New
3942         function.
3943         (Symbol_value::may_be_discarded_from_output_symtab): New
3944         function.
3945         (Symbol_value::has_output_symtab_entry): New function.
3946         (Symbol_value::needs_output_symtab_entry): Remove.
3947         (Symbol_value::output_symtab_index): Make sure the symbol index is
3948         set.
3949         (Symbol_value::set_output_symtab_index): Make sure the symbol
3950         index is not set.  Make sure the new index is valid.
3951         (Symbol_value::set_must_have_output_symtab_entry): New function.
3952         (Symbol_value::has_output_dynsym_entry): New function.
3953         (Symbol_value::set_output_dynsym_index): Make sure the new index
3954         is valid.
3955         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3956         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3957         local symbol if permitted.
3958         (Sized_relobj::do_finalize_local_symbols): Call
3959         is_output_symtab_index_set rather than needs_output_symtab_entry.
3960         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3961         rather than needs_output_symtab_entry.  Call
3962         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3963         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3964         is_output_symtab_index_set rather than needs_output_symtab_entry.
3965         * testsuite/discard_locals_relocatable_test.c: New file.
3966         * testsuite/discard_locals_test.sh: Test -r.
3967         * testsuite/Makefile.am (check_DATA): Add
3968         discard_locals_relocatable_test1.syms,
3969         discard_local_relocatable_test2.syms.
3970         (MOSTLYCLEANFILES): Likewise.  Also add
3971         discard_locals_relocatable_test1.lout and
3972         discard_locals_relocatable_test2.out.
3973         (discard_locals_relocatable_test1.syms): New target.
3974         (discard_locals_relocatable_test.o): New target.
3975         (discard_locals_relocatable_test1.out): New target.
3976         (discard_locals_relocatable_test2.syms): New target.
3977         (discard_locals_relocatable_test2.out): New target.
3978         (various): Add missing ../ld-new dependencies.
3979         * testsuite/Makefile.in: Rebuild.
3980
3981 2010-03-03  Nick Clifton  <nickc@redhat.com>
3982
3983         * po/fi.po: New Finnish translation.
3984
3985 2010-03-01  Doug Kwan  <dougkwan@google.com>
3986
3987         * layout.cc (Layout::Layout): Force section types of .init_array*,
3988         .preinit_array* and .fini_array* sections.
3989         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3990         Fix check of return value of std::string::find.().
3991         (Output_section::Input_section_sort_compare::operator()): Remove
3992         comment about .init_array.
3993         (Output_section::Input_section_sort_init_fini_compare::operator()):
3994         New method.
3995         (Output_section::sort_attached_input_sections): Handle .init_array
3996         and .fini_array specially.
3997         * output.h (Output_section::Inut_section_sort_compare): Update
3998         comment.
3999         (Output_section::Input_section_sort_init_fini_compare): New struct.
4000
4001 2010-02-26  Doug Kwan  <dougkwan@google.com>
4002
4003         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4004         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4005         * testsuite/debug_msg.sh: Avoid matching source line number for
4006         use of global variable undef_int.
4007
4008 2010-02-26  Doug Kwan  <dougkwan@google.com>
4009
4010         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4011         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4012         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4013         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4014         * options.cc (General_options::General_options): Initialize member
4015         fix_v4bx_.
4016         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4017         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4018         and rm_no_fix_v4bx.stdout
4019         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4020         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4021         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4022         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4023         and arm_no_fix_v4bx.
4024         * Makefile.in: Regenerate.
4025         * testsuite/arm_fix_v4bx.s: New file.
4026         * testsuite/arm_fix_v4bx.sh: Ditto.
4027
4028 2010-02-24  Doug Kwan  <dougkwan@google.com>
4029
4030         * arm.cc (Target_arm::got_section): Make the .got section the first
4031         non RELRO section in the data segment.
4032         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4033         suffixes of section names.
4034
4035 2010-02-24  Doug Kwan  <dougkwan@google.com>
4036
4037         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4038         flags and attributes merging if an input file is a binary file.
4039         * fileread.cc (Input_file::open): Record format of original file.
4040         * fileread.h (Input_file::Format): New enum type.
4041         (Input_file::Input_file): Initialize data member format_.
4042         (Input_file::format): New method definition.
4043         (Input_file::format_):: New data member.
4044
4045 2010-02-24  Doug Kwan  <dougkwan@google.com>
4046
4047         * arm.cc (Arm_output_data_got): New class.
4048         (ARM_TCB_SIZE): New constant
4049         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4050         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4051         If user uses a script with a SECTIONS clause, issue only a warning
4052         for a misplaced EXIDX input section.  Otherwise, issue an error.
4053         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4054         garbage collection.
4055         (Target_arm::got_mode_index_entry): Handle static linking.
4056         (Target_arm::Scan::local): Ditto.
4057         (Target_arm::Scan::global): Ditto.
4058         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4059         all incorrectly implemented relocations.
4060         (Target_arm::fix_exidx_coverage): Pass layout to
4061         Arm_output_section::fix_exidx_coverage.
4062         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4063         from ".ARM.exidx." and ".ARM.extab.".
4064
4065 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4066
4067         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4068         section if it does not already exist.
4069         * attributes.cc (Attributes_section_data::Attributes_section_data):
4070         Don't crash if size is zero.
4071
4072 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4073             Ian Lance Taylor  <iant@google.com>
4074
4075         * gold.cc (queue_middle_tasks): If no input files were opened,
4076         exit.
4077         * workqueue.h (Task_function::Task_function): Assert that there is
4078         a blocker.
4079
4080 2010-02-22  Doug Kwan  <dougkwan@google.com>
4081
4082         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4083         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4084         types to avoid warnings due to different uint64_t implementations
4085         on different hosts.
4086
4087 2010-02-21  Doug Kwan  <dougkwan@google.com>
4088
4089         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4090         handling of the maximum backward branch offset.
4091         (Arm_relocate_functions::thumb_branch_common): Ditto.
4092         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4093         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4094         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4095         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4096         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4097         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4098         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4099         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4100         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4101         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4102         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4103         thumb2_bl_out_of_range.o): New rules.
4104         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4105         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4106         thumb2_bl_out_of_range
4107         * testsuite/Makefile.in: Regenerate.
4108         * testsuite/arm_bl_in_range.s: New file.
4109         * testsuite/arm_bl_out_of_range.s: Ditto.
4110         * testsuite/arm_branch_in_range.sh: Ditto.
4111         * testsuite/arm_branch_range.t: Ditto.
4112         * testsuite/thumb2_branch_range.t: Ditto.
4113         * testsuite/thumb_bl_in_range.s: Ditto.
4114         * testsuite/thumb_bl_out_of_range.s: Ditto.
4115         * testsuite/thumb_branch_range.t: Ditto.
4116
4117 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4118
4119         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4120         Add reloc offset information.
4121         * icf.cc (get_section_contents): Change iterators to point to the new
4122         vectors. Add reloc offset information to the contents.
4123         * icf.h (Icf::Sections_reachable_info): New typedef.
4124         (Icf::Sections_reachable_list): New typedef.
4125         (Icf::Offset_info): New typedef.
4126         (Icf::Reloc_info): New struct typedef.
4127         (Icf::Reloc_info_list): New typedef.
4128         (Icf::symbol_reloc_list): Delete method.
4129         (Icf::addend_reloc_list): Delete method.
4130         (Icf::section_reloc_list): Delete method.
4131         (Icf::reloc_info_list): New method.
4132         (Icf::reloc_info_list_): New member.
4133
4134 2010-02-19  Doug Kwan  <dougkwan@google.com>
4135
4136         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4137         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4138         * arm.cc (Arm_relocation_functions): New forward declaration.
4139         (Target_arm::Target_arm): Initialize new data members
4140         got_mod_index_offset_ and tls_base_symbol_defined_.
4141         (Target_arm::Relocate::relocate_tls): New method.
4142         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4143          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4144         New methods.
4145         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4146         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4147         (Target_arm::got_mod_index_offset_,
4148         Target_arm::tls_base_symbol_defined_): New data members.
4149         (Target_arm::Scan::local, Target::Scan::global,
4150         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4151         relocations.
4152
4153 2010-02-18  Doug Kwan  <dougkwan@google.com>
4154
4155         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4156         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4157         text section as a parameter becuase some broken tools may not set
4158         the link in section header.
4159         (Target_arm::has_got_section): New method.
4160         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4161         without any mapping symbol as data only.  Remove warning.
4162         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4163         link in its section header, try to discover the link by inspecting the
4164         REL31 relocation at the beginning of the section.
4165         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4166         in error message.
4167         (Target_arm::Scan::global): Treat any reference to the symbol
4168         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4169
4170 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4171
4172         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4173         (Scan::global_reloc_may_be_function_pointer): New function.
4174         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4175         (Scan::global_reloc_may_be_function_pointer): New function.
4176         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4177         (Scan::global_reloc_may_be_function_pointer): New function.
4178         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4179         (Scan::global_reloc_may_be_function_pointer): New function.
4180         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4181         (Scan::global_reloc_may_be_function_pointer): New function.
4182         (Scan::possible_function_pointer_reloc): New function.
4183         (Target_x86_64::can_check_for_function_pointers): New function.
4184         * gc.h (gc_process_relocs): Scan relocation types to determine if
4185         function pointers were taken for targets that support it.
4186         * icf.cc (Icf::find_identical_sections): Include functions for
4187         folding in safe ICF whose pointer is not taken.
4188         * icf.h (Secn_fptr_taken_set): New typedef.
4189         (fptr_section_id_): New member.
4190         (section_has_function_pointers): New function.
4191         (set_section_has_function_pointers): New function.
4192         (check_section_for_function_pointers): New function.
4193         * options.h: Fix comment for safe ICF option.
4194         * target.h (can_check_for_function_pointers): New function.
4195         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4196         Modify icf_safe_test for X86-64.
4197         * testsuite/Makefile.in: Regenerate.
4198         * testsuite/icf_safe_so_test.cc: New file.
4199         * testsuite/icf_safe_so_test.sh: New file.
4200         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4201         (main): Change to take pointer to function kept_func_3.
4202         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4203         folding is done correctly for X86-64.
4204
4205 2010-02-12  David S. Miller  <davem@davemloft.net>
4206
4207         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4208         is_symbolless parameter.
4209         (Output_reloc<SHT_REL>::is_symbolless): New.
4210         (Output_reloc<SHT_REL>::is_symbolless_): New.
4211         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4212         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4213         (Output_reloc<SHT_RELA>::is_symbolless): New.
4214         (Output_data_reloc::add_global): Handle is_symbolless.
4215         (Output_data_reloc::add_global_relative): Likewise.
4216         (Output_data_reloc::add_local): Likewise.
4217         (Output_data_reloc::add_local_relative): Likewise.
4218         (Output_data_reloc::add_symbolless_global_addend): New.
4219         (Output_data_reloc::add_symbolless_local_addend): New.
4220         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4221         is_symbolless.
4222         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4223         instead of ->is_relative_
4224         (Output_reloc::write): Likewise.
4225         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4226         (Output_reloc::write_rel): Simplify.
4227
4228         * sparc.cc (Target_sparc::Scan::local): Use
4229         ->add_symbolless_local_addend as needed.
4230         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4231         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4232         based upon relocation offset.
4233
4234 2010-02-11  Doug Kwan  <dougkwan@google.com>
4235
4236         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4237         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4238         beginning of function.
4239         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4240         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4241         parameter is_32bit in calls to should_apply_static_reloc.
4242         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4243         (check_DATA): Add arm_abs_global.stdout.
4244         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4245         arm_abs_global.stdout): New rules.
4246         (MOSTLLYCLEANFILES): Add arm_abs_global
4247         * Makefile.in: Regenerate.
4248         * testsuite/arm_abs_global.s: New file.
4249         * testsuite/arm_abs_global.sh: Ditto.
4250         * testsuite/arm_abs_lib.s: Ditto.
4251
4252 2010-02-11  Ian Lance Taylor  <iant@google.com>
4253
4254         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4255         Read_relocs task.
4256         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4257         Allocate_commons_task first.
4258         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4259         task, rather than symtab_lock_.
4260         (Gc_process_relocs::~Gc_process_relocs): New function.
4261         (Gc_process_relocs::is_runnable): Check this_blocker_.
4262         (Gc_process_relocs::locks): Use next_blocker_ rather than
4263         blocker_.
4264         (Scan_relocs::~Scan_relocs): New function.
4265         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4266         symtab_lock_.
4267         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4268         next_blocker_.
4269         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4270         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4271         constructor accordingly.
4272         (class Gc_process_relocs): Likewise.
4273         (class Scan_relocs): Likewise.
4274         * common.h (class Allocate_commons_task): Remove symtab_lock_
4275         field, and corresponding constructor parameter.
4276         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4277         symtab_lock_.
4278         (Allocate_commons_task::locks): Likewise.
4279
4280 2010-02-11  Ian Lance Taylor  <iant@google.com>
4281
4282         * gold-threads.h (class Once): Define.
4283         (class Initialize_lock): Rewrite as child of Once.
4284         * gold-threads.cc (class Once_initialize): Define.
4285         (once_pointer_control): New static variable.
4286         (once_pointer, once_arg): New static variables.
4287         (c_run_once): New static function.
4288         (Once::Once, Once::run_once, Once::internal_run): New functions.
4289         (class Initialize_lock_once): Remove.
4290         (initialize_lock_control): Remove.
4291         (initialize_lock_pointer): Remove.
4292         (initialize_lock_once): Remove.
4293         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4294         (Initialize_lock::initialize): Rewrite.
4295         (Initialize_lock::do_run_once): New function.
4296         * archive.cc (Archive::interpret_header): Only clear name if it is
4297         not already empty.
4298         * fileread.cc: Include "gold-threads.h"
4299         (file_counts_lock): New static variable.
4300         (file_counts_initialize_lock): Likewise.
4301         (File_read::release): Only increment counts when using --stats.
4302         Use a lock around the increment.
4303         * parameters.cc (class Set_parameters_target_once): Define.
4304         (set_parameters_target_once): New static variable.
4305         (Parameters::Parameters): Move here from parameters.h.
4306         (Parameters::set_target): Rewrite.
4307         (Parameters::set_target_once): New function.
4308         (Parameters::clear_target): Move here and rewrite.
4309         * parameters.h (class Parameters): Update declarations.  Add
4310         set_parameters_target_once_ field.
4311         (Parameters::Parameters): Move to parameters.cc.
4312         (Parameters::clear_target): Likewise.
4313         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4314         task.
4315         (Start_group::~Start_group): New function.
4316         (Start_group::is_runnable): New function.
4317         (Start_group::locks, Start_group::run): New functions.
4318         (Finish_group::run): Change saw_undefined to size_t.
4319         * readsyms.h (class Start_group): Define.
4320         (class Finish_group): Change saw_undefined_ field to size_t.
4321         (Finish_group::Finish_group): Remove saw_undefined and
4322         this_blocker parameters.  Change all callers.
4323         (Finish_group::set_saw_undefined): New function.
4324         (Finish_group::set_blocker): New function.
4325         * symtab.h (class Symbol_table): Change saw_undefined to return
4326         size_t.  Change saw_undefined_ field to size_t.
4327         * target-select.cc (Set_target_once::do_run_once): New function.
4328         (Target_selector::Target_selector): Initialize set_target_once_
4329         field.  Don't initialize lock_ and initialize_lock_ fields.
4330         (Target_selector::instantiate_target): Rewrite.
4331         (Target_selector::set_target): New function.
4332         * target-select.h (class Set_target_once): Define.
4333         (class Target_selector): Update declarations.  Make
4334         Set_target_once a friend.  Remove lock_ and initialize_lock_
4335         fields.  Add set_target_once_ field.
4336
4337 2010-02-10  Ian Lance Taylor  <iant@google.com>
4338
4339         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4340         queueing any tasks.
4341         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4342         (queue_middle_tasks): Add all blockers before queueing any tasks.
4343         (queue_final_tasks): Likewise.
4344         * token.h (Task_token::add_blockers): New function.
4345         * object.h (Input_objects::number_of_relobjs): New function.
4346
4347 2010-02-10  Ian Lance Taylor  <iant@google.com>
4348
4349         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4350         shared, not if not position independent.
4351         * x86_64.cc (Relocate::relocate_tls): Likewise.
4352         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4353         (tls_pie_pic_test): New target.
4354         * testsuite/Makefile.in: Rebuild.
4355
4356         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4357         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4358         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4359         * testsuite/Makefile.in: Rebuild.
4360
4361 2010-02-09  David S. Miller  <davem@davemloft.net>
4362
4363         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4364         R_SPARC_RELATIVE using ->add_local_relative().
4365         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4366
4367         * output.h (Output_data_dynamic::add_section_size): New method
4368         that takes two Output_data objects.
4369         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4370         entry param.  Handle it in initializers.
4371         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4372         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4373         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4374         arg.
4375         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4376         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4377         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4378         for dynrel_includes_plt.
4379         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4380         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4381         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4382         before .rela.plt
4383         (Target_sparc::do_finalize_sections): Update to pass true for
4384         dynrel_includes_plt.
4385         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4386         output before .rela.plt
4387         (Target_powerpc::do_finalize_sections): Update to pass true for
4388         dynrel_includes_plt when 32-bit.
4389
4390 2010-02-08  Doug Kwan  <dougkwan@google.com>
4391
4392         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4393         method.
4394         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4395         Arm_relobj::scan_section_for_cortex_a8_stubs,
4396         Arm_relobj::do_relocation_section): Instead of calling
4397         Output_section::output_address, use faster
4398         Arm_relobj::simple_input_section_output_address.
4399
4400 2010-02-08  David S. Miller  <davem@davemloft.net>
4401
4402         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4403         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4404         relocation helper function.
4405
4406         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4407         just like R_SPARC_GOT{10,13,22}.
4408         (Target_sparc::Scan::local): Likewise.
4409         (Target_sparc::Relocate:relocate): Likewise.
4410
4411 2010-02-06  Ian Lance Taylor  <iant@google.com>
4412
4413         * configure.ac: Rewrite targetobjs duplicate removal code to use
4414         only shell constructs.
4415         * configure: Rebuild.
4416
4417 2010-02-05  Doug Kwan  <dougkwan@google.com>
4418
4419         PR 11247
4420         * arm.cc (Arm_relobj::section_is_scannable): New method.
4421         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4422         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4423
4424 2010-02-04  Doug Kwan  <dougkwan@google.com>
4425
4426         PR 11247
4427         * arm-reloc-property.cc (cstdio): Include.
4428         * configure.ac (targetobjs): Remove duplicates.
4429         * configure: Regenerate.
4430         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4431         big and little endian version for a given address size.
4432
4433 2010-02-03  Doug Kwan  <dougkwan@google.com>
4434
4435         * arm-reloc-property.cc
4436         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4437         definition.
4438         * arm-reloc-property.h
4439         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4440         New method definition.
4441         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4442         declaration.
4443         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4444         overflow to N.
4445         (GOT_PREL): Change implemented to Y.
4446         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4447         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4448         (Arm_relocate_functions::movw_abs_nc): Remove method.
4449         (Arm_relocate_functions::movt_abs): Ditto.
4450         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4451         (Arm_relocate_functions::thm_movt_abs): Ditto.
4452         (Arm_relocate_functions::movw_rel_nc): Ditto.
4453         (Arm_relocate_functions::movw_rel): Ditto.
4454         (Arm_relocate_functions::movt_rel): Ditto.
4455         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4456         (Arm_relocate_functions:thm_movw_rel): Ditto.
4457         (Arm_relocate_functions:thm_movt_rel): Ditto.
4458         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4459         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4460         New method definitions.
4461         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4462         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4463         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4464         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4465         (Target_arm::Relocate::relocate): Check for non-static or
4466         unimplemented relocation code and exit early.  Change calls to
4467         Target_arm::reloc_uses_thumb_bit and
4468         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4469         instead.  Refactor code to handle similar relocations to increase
4470         code sharing.  Remove check for unsupported relocation code in switch
4471         statement.
4472         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4473         relocation property table to find out size.  Change error message to
4474         print out the name of a relocation code instead of the numeric value.
4475         (Target_arm::scan_reloc_for_stub): Use relocation property table
4476         instead of calling Target_arm::reloc_uses_thumb_bit().
4477
4478 2010-02-02  Doug Kwan  <dougkwan@google.com>
4479
4480         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4481         types of relaxed input section.
4482
4483 2010-02-02  Doug Kwan  <dougkwan@google.com>
4484
4485         * Makefile.am (HFILES): Add arm-reloc-property.h.
4486         (DEFFILES): New.
4487         (TARGETSOURCES): Add arm-reloc-property.cc
4488         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4489         (libgold_a_SOURCES): $(DEFFILES)
4490         * Makefile.in: Regenerate.
4491         * arm-reloc-property.cc: New file.
4492         * arm-reloc-property.h: New file.
4493         * arm-reloc.def: New file.
4494         * arm.cc: Update comments.
4495         (arm-reloc-property.h): New included header.
4496         (arm_reloc_property_table): New global variable.
4497         (Target_arm::do_select_as_default_target): New method definition.
4498         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4499         arm-reloc-property to targ_extra_obj.
4500         * parameters.cc (set_parameters_target): Call
4501         Target::select_as_default_target().
4502         * target.h (Target::select_as_default_target): New method definition.
4503         (Target::do_select_as_default_target): Same.
4504
4505 2010-02-01  Doug Kwan  <dougkwan@google.com>
4506
4507         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4508         first_output_text_section_.
4509         (Arm_exidx_fixup::first_output_text_section): New method definition.
4510         (Arm_exidx_fixup::first_output_text_section_): New data member.
4511         (Arm_exidx_fixup::process_exidx_section): Record the first text
4512         output section seen.
4513         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4514         and entsize in output section header.
4515
4516 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4517
4518         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4519         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4520         (Arm_relocate_functions::thm_alu11): New Method.
4521         (Arm_relocate_functions::thm_pc8): New Method.
4522         (Arm_relocate_functions::thm_pc12): New Method.
4523         (Target_arm::Scan::local): Handle the relocations.
4524         (Target_arm::Scan::global): Likewise.
4525         (Target_arm::Relocate::relocate): Likewise.
4526         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4527
4528 2010-01-29  Doug Kwan  <dougkwan@google.com>
4529
4530         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4531         of relocation types as ld.
4532
4533 2010-01-29  Doug Kwan  <dougkwan@google.com>
4534
4535         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
4536         to public.
4537         (Arm_relocate_functions::thumb_branch_common): Ditto.
4538         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
4539         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
4540         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
4541         Arm_relocate_functions::jump24): Remove.
4542         (Target_arm::Relocate::relocate): Adjust code to call
4543         Arm_relocation_functions::arm_branch_common and
4544         Arm_relocation_functions::thumb_branch_common instead of their removed
4545         wrappers.  Merge switch-cases together to reduce source code size.
4546
4547 2010-01-29  Doug Kwan  <dougkwan@google.com>
4548
4549         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
4550         output_local_symbol_count_needs_update_.
4551         (Arm_relobj::output_local_symbol_count_needs_update,
4552          Arm_relobj::set_output_local_symbol_count_needs_update,
4553          Arm_relobj::update_output_local_symbol_count): New methods.
4554         (Arm_relobj::output_local_symbol_count_needs_update_): New data
4555         member.
4556         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
4557         of pointed function as in a R_ARM_PREL31 relocation.
4558         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
4559         for output local symbol count updating.
4560         (Target_arm::do_relax): Update output local symbol counts in objects
4561         if necessary.
4562         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
4563
4564 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4565
4566         * arm.cc: Added support for the ARM relocations:
4567         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
4568         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
4569         (Arm_relocate_functions::movw_rel_nc): Renamed (was
4570         movw_prel_nc).
4571         (Arm_relocate_functions::movw_rel): New method.
4572         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
4573         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
4574         thm_movw_prel_nc).
4575         (Arm_relocate_functions::thm_movw_rel): New method.
4576         (Arm_relocate_functions::thm_movt_rel): Renamed (was
4577         thm_movt_prel).
4578         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
4579         relocations.
4580         (Target_arm::Scan::global): Likewise.
4581         (Target_arm::Relocate::relocate): Likewise.
4582         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4583         Likewise.
4584
4585 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4586
4587         * arm.cc: Added support for ARM group relocations.
4588         (Target_arm::reloc_needs_sym_origin): New method.
4589         (Arm_relocate_functions::calc_grp_kn): New method.
4590         (Arm_relocate_functions::calc_grp_residual): New method.
4591         (Arm_relocate_functions::calc_grp_gn): New method.
4592         (Arm_relocate_functions::arm_grp_alu): New Method.
4593         (Arm_relocate_functions::arm_grp_ldr): New Method.
4594         (Arm_relocate_functions::arm_grp_ldrs): New Method.
4595         (Arm_relocate_functions::arm_grp_ldc): New Method.
4596         (Target_arm::Scan::local): Handle the ARM group relocations.
4597         (Target_arm::Scan::global): Likewise.
4598         (Target_arm::Relocate::relocate): Likewise.
4599         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4600         Likewise.
4601
4602 2010-01-26  Doug Kwan  <dougkwan@google.com>
4603
4604         * arm.cc (set): Include.
4605         (class Arm_exidx_fixup): Change type of last_input_section_ to const
4606         pointer type.
4607         (Arm_output_section::Text_section_list): New type.
4608         (Arm_output_section::append_text_sections_to_list): New method.
4609         (Arm_output_section::fix_exidx_coverage): Ditto.
4610         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
4611         (Arm_relobj::convert_input_section_to_relaxed_section): Use
4612         Relobj::set_section_offset() instead of
4613         Sized_relobj::invalidate_section_offset().
4614         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
4615         parameter for section headers. Ignore relocation sections for
4616         unallocated sections and EXIDX sections.
4617         (Target_arm::fix_exidx_coverage): New method.
4618         (Target_arm::output_section_address_less_than): New type.
4619         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
4620         linked text section instead of the EXIDX section.
4621         (Arm_output_section::create_stub_group): Add an assertion to check
4622         that this is not an EXIDX output section.
4623         (Arm_output_section::append_text_sections_to_list): New method.
4624         (Arm_output_section::fix_exidx_coverage): Ditto.
4625         (Arm_relobj::scan_sections_for_stubs): Adjust call to
4626         Arm_relobj::section_needs_reloc_stub_scanning.
4627         (Target_arm::do_relax): Fix EXIDX output section coverage in the
4628         first pass.
4629         (Target_arm::fix_exidx_coverage): New method.
4630         * object.h (Relobj::set_output_section): New method.
4631         (Sized_relobj::invalidate_section_offset): Remove method.
4632         (Sized_relobj::do_invalidate_section_offset): Remove method.
4633         (Sized_relobj::do_set_section_offset): Handle offset value -1.
4634
4635 2010-01-25  Doug Kwan  <dougkwan@google.com>
4636
4637         * arm.cc (Arm_exidx_merged_section::do_output_offset):
4638         Fix warning due to signed and unsigned comparison on a 32-bit host.
4639
4640 2010-01-22  Doug Kwan  <dougkwan@google.com>
4641
4642         * arm.cc (Target_arm::do_relax): Record an output section for section
4643         offset adjustment it contains any stub table that has changed.
4644         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
4645         offsets in an output section if necessary.
4646         * output.cc (Output_section::Output_section): Initialize
4647         section_offsets_need_adjustments_.
4648         (Output_section::add_input_section_for_script): Renamed to
4649         Output_section::add_simple_input_section.
4650         (Output_section::save_states): Add a comment.
4651         (Output_section::discard_states): New method defintion.
4652         (Output_section::adjust_section_offsets): Same.
4653         * output.h (Output_section::add_input_section_for_script): Renamed to
4654         Output_section::add_simple_input_section.
4655         (Output_section::discard_states): New method declaration.
4656         (Output_section::adjust_section_offsets): Same.
4657         (Output_section::section_offsets_need_adjustment,
4658         Output_section::set_section_offsets_need_adjustment): New method
4659         definitions.
4660         (Output_section::section_offsets_need_adjustment_): New data member.
4661         * script-sections.cc
4662         (Output_section_element_input::set_section_address): Adjust code for
4663         renaming of Output_section::add_input_section_for_script.
4664         (Orphan_output_section::set_section_address): Same.
4665
4666 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4667
4668         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
4669         Fix_v4bx enum values .
4670         * gold/options.h (General_options): New option definitions.
4671         (General_options::fix_v4bx): New method.
4672         (General_options::Fix_v4bx): New enum.
4673         * gold/options.cc (General_options::parse_fix_v4bx): New method.
4674         (General_options::parse_fix_v4bx_interworking): New method.
4675
4676 2010-01-22  Doug Kwan  <dougkwan@google.com>
4677
4678         * arm.cc (Arm_exidx_fixup): New class.
4679
4680 2010-01-21  Doug Kwan  <dougkwan@google.com>
4681
4682         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
4683         classes.
4684         (Arm_exidx_section_offset_map): New type.
4685
4686 2010-01-21  Doug Kwan  <dougkwan@google.com>
4687
4688         * arm.cc (Arm_exidx_input_section): New class.
4689         (Arm_relobj::exidx_input_section_by_link,
4690         Arm_relobj::exidx_input_section_by_shndx,
4691         Arm_relobj::make_exidx_input_section): New methods.
4692         (read_arm_attributes_section): Remove.
4693         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4694         information about them.
4695         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4696         to here.
4697
4698 2010-01-20  Doug Kwan  <dougkwan@google.com>
4699
4700         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4701         Input_section_specifier to Section_id.
4702         (Target_arm::new_arm_input_section: Adjust code for change of key
4703         type.
4704         (Target_arm::find_arm_input_section): Ditto.
4705         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4706         (Section_id): Remove.
4707         (Garbage_collection::Section_id_hash): Remove.
4708         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4709         (Section_id): Remove.
4710         (Icf::Section_id_hash): Remove.
4711         * object.h (Section_id, Const_section_id, Section_id_hash,
4712         Const_section_id_hash): New type definitions.
4713         * output.cc (Output_section::add_relaxed_input_section): Change to
4714         use Const_section_id instead of Input_section_specifier as key type.
4715         (Output_section::add_merge_input_section): Ditto.
4716         (Output_section::build_relaxation_map): Change to use Section_id
4717         instead of Input_section_specifier as key type.
4718         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4719         Ditto.
4720         (Output_section::convert_input_sections_to_relaxed_sections): Change
4721         to use Const_section_id instead of Input_section_specifier as key type.
4722         (Output_section::find_merge_section): Ditto.
4723         (Output_section::find_relaxed_input_section): Ditto.
4724         * output.h (Input_section_specifier): Remove class.
4725         (Output_section::Output_section_data_by_input_section_map): Change
4726         key type to Const_section_id.
4727         (Output_section::Output_relaxed_input_section_by_input_section_map):
4728         Ditto.
4729         (Output_section::Relaxation_map): Change key type to Section_id.
4730
4731 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4732
4733         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4734         (class Arm_v4bx_stub): New class.
4735         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4736         (Stub_factory::make_arm_v4bx_stub): New method.
4737         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4738         (Stub_table::empty): Handle v4bx stubs.
4739         (Stub_table::add_arm_v4bx_stub): New method.
4740         (Stub_table::find_arm_v4bx_stub): New method.
4741         (Arm_relocate_functions::v4bx): New method.
4742         (Target_arm::fix_v4bx): New method.
4743         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4744         (Stub_table::relocate_stubs): Likewise.
4745         (Stub_table::do_write): Likewise.
4746         (Stub_table::update_data_size_and_addralign): Likewise.
4747         (Stub_table::finalize_stubs):  Likewise.
4748         (Target_arm::Scan::local): Likewise.
4749         (Target_arm::Scan::global): Likewise.
4750         (Target_arm::do_finalize_sections): Likewise.
4751         (Target_arm::Relocate::relocate): Likewise.
4752         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4753         Likewise.
4754         (Target_arm::scan_reloc_for_stub): Likewise.
4755         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4756
4757 2010-01-19  Ian Lance Taylor  <iant@google.com>
4758
4759         * output.cc (Output_section_headers::do_sized_write): Write large
4760         segment count to sh_info field.
4761         (Output_file_header::do_sized_write): For large segment count,
4762         write PN_XNUM to e_phnum field.
4763
4764 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4765
4766         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4767         (Arm_relocate_functions::thm_jump8): New function.
4768         (Arm_relocate_functions::thm_jump11): New function.
4769         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4770         R_ARM_THM_JUMP11.
4771         (Target_arm::Scan::global): Likewise.
4772         (Target_arm::Relocate::relocate): Likewise.
4773         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4774         Likewise.
4775
4776 2010-01-14  Doug Kwan  <dougkwan@google.com>
4777
4778         * arm.cc (map, utility): Include headers.
4779         (Target_arm::apply_cortex_a8_workaround): New method.
4780         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4781         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4782         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4783         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4784         the --[no-]fix-cortex-a8 command line options.
4785         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4786         (Target_arm::relocate_stub): Use addend in instruction template.
4787         * options.h (DEFINE_bool): Set the user-set flag.
4788         (General_options): Add --[no-]-fix-cortex options.
4789         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4790         : Update fast look-up map after conversion.
4791
4792 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4793
4794         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4795         in the first pass of do_layout.
4796
4797 2010-01-13  Doug Kwan  <dougkwan@google.com>
4798
4799         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4800         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4801         apparent compiler problem of not folding static constant integral
4802         data members of elfcpp::Elf_sizes<32>.
4803
4804 2010-01-13  Doug Kwan  <dougkwan@google.com>
4805
4806         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4807         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4808         Arm_relobj::scan_section_for_cortex_a8_erratum,
4809         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4810         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4811         sections to scan for relocation stubs into a new method
4812         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4813         relocation and Cortex-A8 stub scanning.
4814         (Target_arm::do_relax): Force stubs to be after stubbed sections
4815         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4816         the beginning of a new relaxation pass.  Update a comment.
4817         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4818
4819 2010-01-12  Ian Lance Taylor  <iant@google.com>
4820
4821         * target-reloc.h (visibility_error): New inline function.
4822         (relocate_section): Call visibility_error.
4823         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4824         (MOSTLYCLEANFILES): Likewise.
4825         (protected_4_pic.o, protected_3.err): New targets.
4826         * testsuite/protected_4.cc: New file.
4827
4828 2010-01-12  Doug Kwan  <dougkwan@google.com>
4829
4830         * arm.cc (Cortex_a8_reloc): New class.
4831         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4832         and cortex_a8_relocs_info_.
4833         (Target_arm::fix_cortex_a8): New method definition.
4834         (Target_arm::Cortex_a8_relocs_info): New type.
4835         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4836         New data member declarations.
4837         (Target_arm::scan_reloc_for_stub): Record information about
4838         relocations for THUMB branches that might be exempted from the
4839         Cortex-A8 workaround.
4840         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4841         at the beginning of a relaxation pass.
4842
4843 2010-01-12  Doug Kwan  <dougkwan@google.com>
4844
4845         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4846         (Arm_relobj::Mapping_symbol_position,
4847          Arm_reloj::Mapping_symbol_position_less,
4848          Arm_relobj::Mapping_symbols_info): New types.
4849         (Target_arm::is_mapping_symbol_name): New method definition.
4850         (Arm_relobj::do_count_local_symbols): Save information about mapping
4851         symbols.
4852
4853 2010-01-11  Doug Kwan  <dougkwan@google.com>
4854
4855         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4856         Arm_relocate_functions::thumb32_branch_upper,
4857         Arm_relocate_functions::thumb32_branch_lower,
4858         Arm_relocate_functions::thumb32_cond_branch_offset,
4859         Arm_relocate_functions::thumb32_cond_branch_upper,
4860         Arm_relocate_functions::thumb32_cond_branch_lower,
4861         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4862         branch offset encoding.
4863         (Arm_relocate_functions::thumb_branch_common): Use new branch
4864         offset encoding methods to avoid code duplication.
4865         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4866         (Stub_addend_reader::operator()): Use new branch encoding method
4867         to avoid code duplication.
4868
4869 2010-01-11  Doug Kwan  <dougkwan@google.com>
4870
4871         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4872         (Target_arm::do_finalize_sections): Define special EXIDX section
4873         symbols only if referenced.
4874         * gc.h (Garbage_collection::add_reference): New method.
4875         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4876         code duplication.
4877
4878 2010-01-11  Ian Lance Taylor  <iant@google.com>
4879
4880         * script.cc (Version_script_info::build_expression_list_lookup):
4881         Change complaing about duplicate wildcard match from error to
4882         warning.
4883
4884         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4885         of 2009-12-30.
4886         (Version_script_info::Version_script_info): Initialize globs_,
4887         default_version_, default_is_global_, and exact_.  Don't
4888         initialize globals_ or locals_.
4889         (Version_script_info::build_lookup_tables): Build local symbols
4890         first.
4891         (Version_script_info::unquote): New function.
4892         (Version_script_info::add_exact_match): New function.
4893         (Version_script_info::build_expression_list_lookup): Remove lookup
4894         parameter.  Add is_global parameter.  Change all callers.  Handle
4895         wildcard pattern specially.  Unquote pattern.  Call
4896         add_exact_match.
4897         (Version_script_info::get_name_to_match): New function.
4898         (Version_script_info::get_symbol_version): New function.
4899         (Version_script_info::get_symbol_version_helper): Remove.
4900         (Version_script_info::check_unmatched_names): Call unquote.
4901         * script.h (class Version_script_info): Change get_symbol_version
4902         to be non-inline and add is_global parameter; change all callers.
4903         Rewrite symbol_is_local.  Update declarations.  Define struct
4904         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4905         Remove globals_ and locals_ members.  Add exact_, globs_,
4906         default_version_, is_global_.
4907         (Version_script_info::Glob): Remove pattern, add expression and
4908         is_global.  Update constructor.  Change all callers.
4909         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4910         default version.
4911         (Versions::symbol_section_contents): If a symbol is undefined, or
4912         defined in a dynamic object, set the version index to
4913         VER_NDX_LOCAL.
4914         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4915         symbol_is_local.
4916         (Symbol_table::add_from_pluginobj): Likewise.
4917         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4918
4919 2010-01-11  Doug Kwan  <dougkwan@google.com>
4920
4921         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4922         (incremental_dump_LDADD): Add linking option for libintl.
4923         * Makefile.in: Regenerate.
4924
4925 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4926
4927         PR gold/11144
4928         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4929         instead of -Ds.
4930         * testsuite/Makefile.in: Regenerated.
4931
4932 2010-01-10  Doug Kwan  <dougkwan@google.com>
4933
4934         * options.h (DEFINE_var): Use parentheses around argument varname__
4935         in macro body to avoid any unintended subsequent substitutions.
4936
4937 2010-01-10  Ian Lance Taylor  <iant@google.com>
4938
4939         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4940         candidates before doing symbol resolution.
4941
4942         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4943         ODR candidates if only one is weak.
4944
4945 2010-01-08  Ian Lance Taylor  <iant@google.com>
4946
4947         * script.cc (Version_script_info::build_expression_list_lookup):
4948         Don't warn about ambiguous version, just record the ambiguity.
4949         (Version_script_info::get_symbol_version_helper): Give error if
4950         version is ambiguous.
4951
4952 2010-01-08  Doug Kwan  <dougkwan@google.com>
4953
4954         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4955           prev_data_size_ and prev_addralign_.  Remove initializer for
4956           deleted data member has_been_changed_.
4957           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4958           to determine if the table is empty.
4959           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4960           Remove.
4961           (Stub_table::add_reloc_stub): Define method in class definition
4962           instead of just declaring it there.
4963           (Stub_table::add_cortex_a8_stub): New method definition.
4964           (Stub_table::update_data_size_and_addralign): Ditto.
4965           (Stub_table::finalize_stubs): Ditto.
4966           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4967           (Stub_table::do_addralign_): Return address alignment in the
4968           (Stub_table::do_reset_address_and_file_offset): Define method in
4969           class definition instead of declaring it there.  Set current data
4970           size to be the data size of the previous pass.
4971           (Stub_table::set_final_data_size): Use current data size as the
4972           final data size.
4973           (Stub_table::relocate_stub): Change parameter type of stub from
4974           Reloc_stub pointer to Stub pointer.
4975           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4976           (Stub_table::Cortex_a8_stub_list): New typedef.
4977           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4978            Stub_table::prev_addralign_): New data member.
4979           (Arm_relobj::Arm_relobj): Initialize data member
4980           section_has_cortex_a8_workaround_.
4981           (Arm_relobj::section_has_cortex_a8_workaround,
4982            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4983            definitions.
4984           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4985           declarations.
4986           (Target_arm::relocate_stub): Change parameter type of stub from
4987           Reloc_stub pointer to Stub pointer.
4988           (Insn_template::size, Insn_template::alignment): Handle
4989           THUMB16_SPECIAL_TYPE.
4990           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4991            Stub_table::update_data_size_and_addralign,
4992            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4993           definitions.
4994           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4995           (Stub_table::do_write): Ditto.
4996           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4997
4998 2010-01-08  Ian Lance Taylor  <iant@google.com>
4999
5000         PR 11108
5001         * symtab.h (class Symbol): Remove fields is_target_special_ and
5002         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5003         (Symbol::is_defined_in_discarded_section): New function.
5004         (Symbol::set_is_defined_in_discarded_section): New function.
5005         (Symbol::has_plt_offset): Rewrite.
5006         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5007         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5008         Don't initialize is_target_special_ or has_plt_offset_.
5009         Initialize is_defined_in_discarded_section_.
5010         (Symbol_table::add_from_relobj): If appropriate, set
5011         is_defined_in_discarded_section.
5012         * resolve.cc (Symbol::override_base_with_special): Don't test
5013         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5014         * target-reloc.h (relocate_section): Do special handling for
5015         symbols defined in discarded sections for global symbols as well
5016         as local symbols.
5017
5018 2010-01-08  Ian Lance Taylor  <iant@google.com>
5019
5020         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5021         the SHT_SYMTAB case.
5022
5023 2010-01-08  Ian Lance Taylor  <iant@google.com>
5024
5025         * object.cc (Sized_relobj::do_layout): Don't get confused if
5026         layout_eh_frame returns NULL.
5027
5028 2010-01-08  Ian Lance Taylor  <iant@google.com>
5029
5030         PR 11084
5031         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5032         dynamic symbol table, use the normal symbol table.
5033         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5034         symbol table.
5035
5036 2010-01-08  Ian Lance Taylor  <iant@google.com>
5037
5038         PR 11072
5039         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5040         sections.
5041
5042 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5043
5044         * version.cc (print_version): Change to "Copyright 2010".
5045
5046 2010-01-08  Ian Lance Taylor  <iant@google.com>
5047
5048         PR 10287
5049         PR 11063
5050         * i386.cc (class Target_i386): Change return type of plt_section
5051         to be non-const.
5052         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5053         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5054         tls_desc_rel_ field.
5055         (Output_data_plt_i386::rel_tls_desc): New function.
5056         (Target_i386::rel_tls_desc_section): New function.
5057         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5058         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5059         R_386_TLS_DESC reloc in rel_tls_desc_section.
5060         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5061         Define struct Tlsdesc_info.
5062         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5063         (Target_x86_64::do_reloc_symbol_index): New function.
5064         (Target_x86_64::add_tlsdesc_info): New function.
5065         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5066         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5067         tlsdesc_rel_ field.
5068         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5069         all callers.
5070         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5071         (Target_x86_64::rela_tlsdesc_section): New function.
5072         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5073         handling.
5074         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5075         (Target_x86_64::do_reloc_addend): New function.
5076         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5077         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5078         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5079         (Output_reloc::type): New function.
5080         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5081         (Output_reloc::is_target_specific): New function.
5082         (Output_reloc::target_arg): New function.
5083         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5084         absolute relocs and target specific relocs.
5085         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5086         add_target_specific.
5087         (class Output_data_reloc) [SHT_RELA]: Likewise.
5088         * output.cc (Output_reloc::Output_reloc): Add four new versions
5089         for absolute relocs and target specific relocs.
5090         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5091         (Output_reloc::get_symbol_index): Likewise.
5092         (Output_reloc::local_section_offset): Check that local_sym_index_
5093         is not TARGET_CODE or 0.
5094         (Output_reloc::symbol_value): Likewise.
5095         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5096         reloc.
5097         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5098         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5099         functions.
5100         * layout.cc (add_target_dynamic_tags): Use output section for
5101         DT_PLTRELSZ and DT_JMPREL.
5102
5103 2010-01-07  Ian Lance Taylor  <iant@google.com>
5104
5105         PR 11061
5106         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5107         function.
5108         (class Output_data_reloc_generic): Define.
5109         (class Output_data_reloc_base): Change base class to
5110         Output_data_reloc_generic.  Change add() method to call
5111         bump_relative_reloc_count for a relative reloc.  Remove
5112         sort_relocs_ field.
5113         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5114         to sort_relocs().
5115         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5116         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5117         appropriate.
5118         * layout.h (class Layout): Update declaration.
5119
5120 2010-01-07  Ian Lance Taylor  <iant@google.com>
5121
5122         * output.h (class Output_data): Add const version of
5123         output_section and do_output_section.
5124         (class Output_section_data): Add const version of
5125         do_output_section.
5126         (class Output_section): Likewise.
5127         * layout.cc (Layout::add_target_dynamic_tags): New function.
5128         * layout.h (class Layout): Update declarations.
5129         * arm.cc (Target_arm::do_finalize_sections): Use
5130         add_target_dynamic_tags.
5131         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5132         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5133         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5134         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5135
5136 2010-01-07  Ian Lance Taylor  <iant@google.com>
5137
5138         PR 11042
5139         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5140         object as needed.
5141
5142 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5143             Ian Lance Taylor  <iant@google.com>
5144
5145         PR 11019
5146         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5147         Xindex::read_symtab_xindex.
5148
5149 2010-01-07  Doug Kwan  <dougkwan@google.com>
5150
5151         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5152         (Insn_template::thumb16_bcond_insn): New method declaration.
5153         (Insn_template): Fix spelling.
5154         (Stub::thumb16_special): New method declaration.
5155         (Stub::do_write): Define virtual method which was previously pure
5156         virtual.
5157         (Stub::do_thumb16_special): New method declaration.
5158         (Stub::do_fixed_endian_write): New template member.
5159         (Reloc_stub::do_write): Remove.
5160         (Reloc_stub::do_fixed_endian_write): Remove.
5161         (Cortex_a8_stub): New class definition.
5162         (Stub_factory::make_cortex_a8_stub): New method definition.
5163         (Stub_factory::Stub_factory): Add missing static storage class
5164         qualifier for elf32_arm_stub_a8_veneer_blx.
5165
5166 2010-01-07  Ian Lance Taylor  <iant@google.com>
5167
5168         PR 10980
5169         * options.h (class General_options): Add --warn-unresolved-symbols
5170         and --error-unresolved-symbols.
5171         * errors.cc (Errors::undefined_symbol): Implement
5172         --warn-unresolved-symbols.
5173
5174         * options.h (class General_options): Add -z text and -z textoff.
5175         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5176
5177 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5178
5179         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5180         (Garbage_collection::cident_sections): New function.
5181         (Garbage_collection::add_cident_section): New function.
5182         (Garbage_collection::cident_sections_): New member.
5183         (gc_process_relocs): Add references to sections whose names are C
5184         identifiers.
5185         * gold.h (cident_section_start_prefix): New constant.
5186         (cident_section_stop_prefix): New constant.
5187         (is_cident): New function.
5188         * layout.cc (Layout::define_section_symbols): Replace string constants
5189         with the newly defined constants.
5190         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5191         C identifiers.
5192         * testsuite/Makefile.am: Add gc_orphan_section_test.
5193         * testsuite/Makefile.in: Regenerate.
5194         * testsuite/gc_orphan_section_test.cc: New file.
5195         * testsuite/gc_orphan_section_test.sh: New file.
5196
5197 2010-01-06  Ian Lance Taylor  <iant@google.com>
5198
5199         PR 10980
5200         * options.h (class General_options): Add --warn-shared-textrel.
5201         * layout.cc (Layout::finish_dynamic_section): Implement
5202         --warn-shared-textrel.
5203
5204         PR 10980
5205         * options.h (class General_options): Add --warn-multiple-gp.
5206
5207 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5208
5209         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5210         $(THREADSLIB) and $(LIBDL).
5211         * Makefile.in: Rebuild.
5212
5213 2010-01-06  Ian Lance Taylor  <iant@google.com>
5214
5215         PR 10980
5216         * options.cc (General_options::parse_section_start): New function.
5217         (General_options::section_start): New function.
5218         (General_options::General_options): Initialize all members.
5219         * options.h: Include <map>
5220         (class General_options): Add --section-start.  Add section_starts_
5221         member.
5222         * layout.cc (Layout::attach_allocated_section_to_segment): If
5223         --section-start was used, set the address of the segment.  Remove
5224         local sort_sections.
5225         (Layout::relaxation_loop_body): If the address of the load segment
5226         has been set by --section-start, don't use it.
5227         * output.h (Output_segment::update_flags_for_output_section): New
5228         function.
5229         * output.cc (Output_segment::add_output_section): Call
5230         update_flags_for_output_section.
5231
5232 2010-01-05  Ian Lance Taylor  <iant@google.com>
5233
5234         PR 10980
5235         * options.h (class General_options): Add --undefined-version.
5236         * script.cc (struct Version_expression): Add was_matched_by_symbol
5237         field.
5238         (Version_script_info::matched_symbol): New function.
5239         (Version_script_info::get_symbol_version_helper): Call
5240         matched_symbol.
5241         (Version_script_info::check_unmatched_names): New function.
5242         * script.h (class Version_script_info): Update declarations.
5243         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5244
5245         * options.h (class General_options): Use DEFINE_bool_alias for
5246         allow_multiple_definition.
5247         * resolve.cc (Symbol_table::should_override): Don't test
5248         allow_multiple_definition.
5249
5250         PR 10980
5251         * options.h (class General_options): Add --cref.
5252         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5253         until after printing cref table.
5254         * cref.cc: Include "symtab.h".
5255         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5256         (Cref_table_compare::operator()): New function.
5257         (Cref_inputs::gather_cref): New function.
5258         (filecol): New static const.
5259         (Cref_inputs::print_cref): New function.
5260         (Cref::print_cref): New function.
5261         * cref.h: Include <cstdio>.
5262         (class Cref): Update declarations.
5263         * mapfile.h (Mapfile::file): New function.
5264         * object.h (class Object): Define Symbols.  Declare virtual
5265         do_get_global_symbols.
5266         (Object::get_global_symbols): New function.
5267         * object.cc (Input_objects::add_object): Pass object to cref_ if
5268         --cref.
5269         (Input_objects::archive_start): Likewise.
5270         (Input_objects::archive_stop): Likewise.
5271         (Input_objects::print_cref): New function.
5272         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5273         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5274         --cref.
5275         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5276         function.
5277         * plugin.h (class Sized_pluginobj): Update declarations.
5278
5279 2010-01-05  Ian Lance Taylor  <iant@google.com>
5280
5281         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5282         to is_default_version.  Rename insdef to insdefault.
5283         (Symbol_table::add_from_relobj): Rename def to is_default_version
5284         and local to is_forced_local.
5285         (Symbol_table::add_from_pluginobj): Likewise.
5286         (Symbol_table::add_from_dynobj): Likewise.
5287         (Symbol_table::define_special_symbol): Rename insdef to
5288         insdefault.
5289
5290 2010-01-04  Ian Lance Taylor  <iant@google.com>
5291
5292         PR 10980
5293         * options.h (class General_options): Add
5294         --allow-multiple-definition and -z muldefs.
5295         * resolve.cc (Symbol_table::should_override): Don't warn about a
5296         multiple symbol definition if --allow-multiple-definition or -z
5297         muldefs.
5298
5299         PR 10980
5300         * options.h (class General_options): Add --add-needed and
5301         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5302         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5303         error if --copy-dt-needed-entries aka --add-needed is used and
5304         would cause a change in behaviour.
5305
5306         PR 10980
5307         * options.h (class General_options): Add -G as a short version of
5308         --shared.  Add no-op options -assert, -g, and -i.
5309
5310 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5311
5312         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5313         check for .text or .gnu.linkonce.t sections.
5314         * icf.cc (Icf::find_identical_sections): Ditto.
5315         Change the detection for mangled function name within the section
5316         name.
5317         * icf.h (is_section_foldable_candidate): New function.
5318
5319 2009-12-30  Ian Lance Taylor  <iant@google.com>
5320
5321         PR 10980
5322         * options.h (class General_options): Permit two dashes with
5323         --retain-symbols-file.
5324
5325 2009-12-30  Ian Lance Taylor  <iant@google.com>
5326
5327         PR 10979
5328         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5329         don't put the file header and segment headers in the text
5330         segment.
5331
5332         PR 10979
5333         * common.cc (Sort_commons::operator()): Stabilize sort when both
5334         entries are NULL.
5335         (Symbol_table::do_allocate_commons_list): When allocating common
5336         symbols, skip a symbol which is no longer common.
5337         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5338         an object before checking its type.
5339         * testsuite/common_test_2.c: New file.
5340         * testsuite/common_test_3.c: New file.
5341         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5342         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5343         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5344         (common_test_2_pic.o, common_test_2.so): New targets.
5345         (common_test_3_pic.o, common_test_3.so): New targets.
5346         * testsuite/Makefile.in: Rebuild.
5347
5348         PR 10979
5349         * script.cc (read_input_script): If we see a new SECTIONS clause,
5350         and we have added an input section, give an error.
5351         * layout.h (class Layout): Add have_added_input_section function.
5352         Add have_added_input_section_ field.
5353         * layout.cc (Layout::Layout): Initialize
5354         have_added_input_section_.
5355         (Layout::layout): Set have_added_input_section_.
5356         (Layout::layout_eh_frame): Likewise.
5357
5358 2009-12-30  Ian Lance Taylor  <iant@google.com>
5359
5360         PR 10931
5361         * options.h (class General_options): Add --sort-common option.
5362         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5363         * common.cc (Sort_common): Add sort_order parameter to
5364         constructor.  Add sort_order_ field.
5365         (Sort_commons::operator): Check sort_order_.
5366         (Symbol_table::allocate_commons): Determine the sort order.
5367         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5368         Change all callers.
5369         (Symbol_table::do_allocate_commons_list): Likewise.
5370
5371 2009-12-30  Ian Lance Taylor  <iant@google.com>
5372
5373         PR 10916
5374         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5375         symbols from this object, don't change the visibility of an
5376         undefined symbol.
5377         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5378
5379 2009-12-30  Ian Lance Taylor  <iant@google.com>
5380
5381         PR 10861
5382         * script.h (class Version_script_info): Define Language enum.
5383         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5384         new fields globals_, locals_, and is_finalized_.
5385         * script.cc: Various formatting fixes.
5386         (class Parser_closure): Change language_stack_ from a vector of
5387         std::string to one of Version_script_info::Language.  Adjust all
5388         uses accordingly.
5389         (class Lazy_demangler): Remove.
5390         (struct Version_expression): Change language from std::string to
5391         Version_script_info::Language.
5392         (Version_script_info::Version_script_info): New function.
5393         (Version_script_info::~Version_script_info): Don't call clear.
5394         (Version_script_info::finalize): New function.
5395         (Version_script_info::build_lookup_tables): New function.
5396         (Version_script_info::build_expression_list_lookup): New
5397         function.
5398         (Version_script_info::get_symbol_version_helper): Rewrite to use
5399         lookup tables.
5400         (Version_script_info::print_expression_list): Adjust to use
5401         Version_script_info::Language.
5402         (script_push_lex_into_version_mode): Check that the version script
5403         has not been finalized.
5404         (version_script_push_lang): Change language string to
5405         Version_script_info::Language.
5406         * options.cc (Command_line::version_script): New function.
5407         * options.h (class General_options): Add finalize_dynamic_list
5408         function.  Change version_script from declaration to definition.
5409         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5410         * testsuite/version_script.map: Remove duplicate def of foo.
5411         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5412         version_script.map.
5413         * testsuite/Makefile.in: Rebuild.
5414
5415 2009-12-30  Ian Lance Taylor  <iant@google.com>
5416
5417         PR 10843
5418         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5419         if the input symbol index is 0, make the output symbol index 0.
5420
5421 2009-12-30  Ian Lance Taylor  <iant@google.com>
5422
5423         PR 10670
5424         * options.h (class General_options): Add -x/--discard-all.
5425         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5426         --discard-all.  If the local symbol needs a dynamic entry, check
5427         that before handling --discard-locals.
5428
5429 2009-12-30  Ian Lance Taylor  <iant@google.com>
5430
5431         PR 10450
5432         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5433         flags to PF_R.
5434         (Output_segment::add_output_section): Don't change the flags if
5435         the type is PT_TLS.
5436
5437         PR 10450
5438         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5439         GNU hash table if they need a dynamic value.  Otherwise, don't add
5440         them if they are defined in a dynamic object or are forced local.
5441
5442 2009-12-29  Ian Lance Taylor  <iant@google.com>
5443
5444         PR 10450
5445         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5446         .gnu.hash table for a 32-bit target.
5447
5448         PR 10450
5449         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5450         regular and a dynamic object only needs a dynamic symbol table
5451         entry if it is externally visible.
5452
5453         PR 10450
5454         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5455         constructor.  Add global_offset_table_ field.
5456         (Target_i386::got_section): Set global_offset_table_.
5457         (Target_i386::do_finalize_sections): Set global_offset_table_
5458         size.
5459         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5460         in constructor.  Add global_offset_table_ field.
5461         (Target_x86_64::got_section): Set global_offset_table_.
5462         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5463         size.
5464
5465         * layout.cc (Layout::Layout): Initialize increase_relro_.
5466         (Layout::get_output_section): Add is_relro, is_last_relro, and
5467         is_first_non_relro parameters.  Change all callers.
5468         (Layout::choose_output_section): Likewise.
5469         (Layout::add_output_section_data): Likewise.
5470         (Layout::make_output_section): Likewise.
5471         (Layout::set_segment_offsets): Clear increase_relro when using a
5472         linker script.
5473         * layout.h (class Layout): Add increase_relro method.  Add
5474         increase_relro_ field.  Update declarations.
5475         * output.cc (Output_section::Output_section): Initialize
5476         is_last_relro_ and is_first_non_relro_.
5477         (Output_segment::add_output_section): Group relro sections is
5478         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5479         (Output_segment::maximum_alignment): Remove relro handling.
5480         (Output_segment::set_section_addresses): Add increase_relro
5481         parameter.  Change all callers.  Add initial alignment to align
5482         relro sections on separate page.  Remove old relro handling.
5483         (Output_segment::set_section_list_addresses): Remove in_relro
5484         parameter.  Change all callers.
5485         (Output_segment::set_offset): Add increase parameter.  Change all
5486         callers.  Remove old relro handling.
5487         * output.h (class Output_section): Add new methods: is_last_relro,
5488         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5489         Add is_last_relro_ and is_first_non_relro_ fields.
5490         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5491         Create separate .got.plt section.  Call increase_relro.
5492         * x86_64.cc (Target_x86_64::got_section): Likewise.
5493         * testsuite/relro_script_test.t: Add .got.plt.
5494
5495         PR 10450
5496         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5497         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5498         (Layout::finalize): Call set_dynamic_symbol_size.
5499         (Layout::set_dynamic_symbol_size): New function.
5500         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5501         set_dynamic_symbol_size.
5502
5503         PR 10450
5504         * output.h (class Output_section): Add is_entsize_zero_ field.
5505         * output.cc (Output_section::Output_section): Initialize
5506         is_entsize_zero_.
5507         (Output_section::set_entsize): If two different entsizes are
5508         requested, force it to zero.
5509         (Output_section::add_input_section): Set flags for .debug_str
5510         before updating section flags.  Set entsize.
5511         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5512         and SHF_STRING if all input sections have those flags.
5513
5514 2009-12-29   Rafael Espindola  <espindola@google.com>
5515
5516         * main.cc (main): Fix the sys time reporting.
5517         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5518         reporting.
5519
5520 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5521
5522         * options.cc (General_options::parse_version): Allow -v to exit
5523         without an error if there is nothing to link.
5524
5525 2009-12-29  Ian Lance Taylor  <iant@google.com>
5526
5527         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5528         using a version of gcc before 4.1.
5529         * configure: Rebuild.
5530
5531 2009-12-28  Chris Demetriou  <cgd@google.com>
5532
5533         * attributes.cc (Output_attributes_section_data::do_write): Use
5534         std::vector::front rather than std::vector::data.
5535
5536 2009-12-28  Ian Lance Taylor  <iant@google.com>
5537
5538         * symtab.h (class Symbol_table): Add enum Defined.
5539         * resolve.cc (Symbol_table::should_override): Add defined
5540         parameter.  Change all callers.  Test whether object is NULL
5541         before calling a method on it.
5542         (Symbol_table::report_resolve_problem): Add defined parameter.
5543         Change all callers.
5544         (Symbol_table::should_override_with_special): Likewise.
5545         * symtab.cc (Symbol_table::define_in_output_data): Add defined
5546         parameter.  Change all callers.
5547         (Symbol_table::do_define_in_output_data): Likewise.
5548         (Symbol_table::define_in_output_segment): Likewise.
5549         (Symbol_table::do_define_in_output_segment): Likewise.
5550         (Symbol_table::define_as_constant): Likewise.
5551         (Symbol_table::do_define_as_constant): Likewise.
5552         * script.h (class Symbol_assignment): Add is_defsym parameter to
5553         constructor; change all callers.
5554         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
5555         parameter.  Change all callers.  Add is_defsym_ field.
5556         (class Parser_closure): Add parsing_defsym parameter to
5557         constructor; change all callers.  Add parsing_defsym accessor
5558         function.  Add parsing_defsym_ field.
5559
5560 2009-12-28  Ian Lance Taylor  <iant@google.com>
5561
5562         * gold.cc (queue_middle_tasks): Fix formatting.
5563         * object.cc (Relobj::is_section_name_included): Likewise.
5564
5565 2009-12-23  Ian Lance Taylor  <iant@google.com>
5566
5567         * i386.cc (Target_i386::do_calls_non_split): Recognize
5568         -fsplit-stack prologue for a function with a static chain.
5569         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
5570         -fsplit-stack prologue when using %r11.
5571
5572 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
5573
5574         * options.cc (General_options::parse_version): Make -v continue and do
5575         the link like GNU ld does.
5576
5577 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
5578
5579         * Makefile.am (CCFILES): Add timer.cc.
5580         (HFILES): Add timer.h.
5581         * configure.ac: Check for sysconf and times.
5582         * main.cc: include timer.h.
5583         (main): Use Timer instead of get_run_time.
5584         * timer.cc: New.
5585         * timer.h: New.
5586         * workqueue.cc: include timer.h.
5587         (Workqueue::find_and_run_task):
5588         Report user, sys and wall time.
5589         * Makefile.in: Regenerate.
5590         * config.in: Regenerate.
5591         * configure: Regenerate.
5592
5593 2009-12-16  Doug Kwan  <dougkwan@google.com>
5594
5595         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
5596         sections.
5597         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
5598         relaxed input sections.
5599         * output.cc (Output_section::find_relaxed_input_section): Change
5600         return type to Output_relaxed_input_section pointer.  Adjust code
5601         for new type of relaxed_input_section_map_.
5602         * output.h (Output_section::find_relaxed_input_section): Change
5603         return type to Output_relaxed_input_section pointer.
5604         (Output_section::Output_relaxed_input_section_by_input_section_map):
5605         New type.
5606         (Output_section::relaxed_input_section_map_): Change type to
5607         Output_section::Output_relaxed_input_section_by_input_section_map.
5608         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
5609         input section.
5610
5611 2009-12-15  Ian Lance Taylor  <iant@google.com>
5612
5613         * layout.cc (Layout::create_shstrtab): Only write out after input
5614         sections if we are compressing debug sections.
5615
5616 2009-12-15  Ian Lance Taylor  <iant@google.com>
5617
5618         * archive.cc (Archive::add_symbols): Only look up a symbol without
5619         a version if there is, in fact, a version.
5620
5621 2009-12-14  Ian Lance Taylor  <iant@google.com>
5622
5623         Revert -Wshadow changes, all changes from:
5624         2009-12-11  Doug Kwan  <dougkwan@google.com>
5625         2009-12-11  Nick Clifton  <nickc@redhat.com>
5626         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
5627
5628 2009-12-11  Doug Kwan  <dougkwan@google.com>
5629
5630         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
5631         due to -Wshadow.
5632         * attributes.cc (Object_attribute::size): Ditto.
5633         (Attributes_section_data::size): Ditto.
5634         (Attributes_section_data::Attributes_section_data): Ditto.
5635         (Output_attributes_section_data::do_write): Ditto.
5636         * attributes.h (Object_attribute::set_type): Ditto.
5637         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
5638
5639 2009-12-11  Nick Clifton  <nickc@redhat.com>
5640
5641         * archive.cc: Fix shadowed variable warnings.
5642         * arm.cc: Likewise.
5643         * compressed_output.cc: Likewise.
5644         * compressed_output.h: Likewise.
5645         * configure: Likewise.
5646         * dwarf_reader.cc: Likewise.
5647         * dynobj.cc: Likewise.
5648         * dynobj.h: Likewise.
5649         * ehframe.cc: Likewise.
5650         * ehframe.h: Likewise.
5651         * errors.cc: Likewise.
5652         * expression.cc: Likewise.
5653         * fileread.cc: Likewise.
5654         * fileread.h: Likewise.
5655         * freebsd.h: Likewise.
5656         * i386.cc: Likewise.
5657         * icf.cc: Likewise.
5658         * incremental.h: Likewise.
5659         * layout.cc: Likewise.
5660         * layout.h: Likewise.
5661         * mapfile.cc: Likewise.
5662         * merge.cc: Likewise.
5663         * merge.h: Likewise.
5664         * object.cc: Likewise.
5665         * object.h: Likewise.
5666         * options.h: Likewise.
5667         * output.cc: Likewise.
5668         * output.h: Likewise.
5669         * parameters.cc: Likewise.
5670         * plugin.cc: Likewise.
5671         * powerpc.cc: Likewise.
5672         * reduced_debug_output.cc: Likewise.
5673         * reduced_debug_output.h: Likewise.
5674         * reloc.cc: Likewise.
5675         * reloc.h: Likewise.
5676         * resolve.cc: Likewise.
5677         * script-sections.cc: Likewise.
5678         * script.cc: Likewise.
5679         * script.h: Likewise.
5680         * sparc.cc: Likewise.
5681         * symtab.cc: Likewise.
5682         * symtab.h: Likewise.
5683         * target-select.cc: Likewise.
5684         * target-select.h: Likewise.
5685         * token.h: Likewise.
5686         * workqueue.cc: Likewise.
5687         * workqueue.h: Likewise.
5688         * x86_64.cc: Likewise.
5689
5690 2009-12-10  Doug Kwan  <dougkwan@google.com>
5691
5692         * arm.cc (attributes.h): New include.
5693         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5694         (Arm_relobj::~Arm_relobj): Delete object pointed by
5695         attributes_section_data_.
5696         (Arm_relobj::attributes_section_data): New method definition.
5697         (Arm_relobj::attributes_section_data_): New data member declaration.
5698         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5699         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5700         attributes_section_data_.
5701         (Arm_dynobj::attributes_section_data): New method definition.
5702         (Arm_dynobj::attributes_section_data_): New data member declaration.
5703         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5704         initialization value of may_use_blx_ to false.
5705         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5706         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5707         object attributes to compute results instead of hard-coding.
5708         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5709         Target_arm::get_secondary_compatible_arch,
5710         Target_arm::set_secondary_compatible_arch
5711         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5712         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5713         New method declarations.
5714         (Target_arm::get_aeabi_object_attribute): New method definition.
5715         (Target_arm::attributes_section_data_): New data member declaration.
5716         (read_arm_attributes_section): New template definition.
5717         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5718         (Arm_dynobj::do_read_symbols): Ditto.
5719         (Target_arm::do_finalize_sections): Merge attributes sections from
5720         input.  Check for BLX use after attributes section merging.
5721         Fix __exidx_start and __exidx_end visibility.  Create an
5722         .ARM.attributes section if necessary.
5723         (Target_arm::get_secondary_compatible_arch,
5724         Target_arm::set_secondary_compatible_arch,
5725         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5726         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5727         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5728         New method definitions.
5729
5730 2009-12-09  Ian Lance Taylor  <iant@google.com>
5731
5732         * plugin.cc (Plugin::load): Don't cast from void* to a function
5733         pointer.
5734
5735 2009-12-09  Ian Lance Taylor  <iant@google.com>
5736
5737         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5738         information fields.
5739
5740 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5741
5742         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5743         Replace two_file_shared_1.so with two_file_shared_2.so.
5744         * testsuite/Makefile.in: Regenerated.
5745
5746 2009-12-08  Doug Kwan  <dougkwan@google.com>
5747
5748         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5749         (HFILES): Add attributes.h and int_encoding.h.
5750         * Makefile.in: Regenerate.
5751         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5752         function definitions to int_encoding.cc
5753         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5754         prototypes to int_encoding.h
5755         * reduced_debug_output.cc (int_encoding.h): New include.
5756         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5757         function definitions to int_encoding.cc
5758         (insert_into_vector, read_from_pointer): Move template definitions to
5759         int_encoding.h
5760         * attributes.cc: New file.
5761         * attributes.h: New file.
5762         * int_encoding.cc: New file.
5763         * int_encoding.h: New file.
5764
5765 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5766
5767         PR gold/11055
5768         * incremental-dump.cc (dump_incremental_inputs): New.
5769         (main): Use dump_incremental_inputs.
5770
5771 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5772
5773         PR gold/10893
5774         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5775         checking elfcpp::STT_FUNC.
5776         (Target_i386::Relocate::relocate): Likewise.
5777         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5778
5779         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5780         symbols from shared libraries into normal FUNC symbols.
5781
5782         * symtab.h (Symbol): Add is_func and use it.
5783
5784 2009-12-05  Doug Kwan  <dougkwan@google.com>
5785
5786         * arm.cc (Target_arm::arm_info): Initialize new fields
5787         attributes_section and attributes_vendor.
5788         * i386.cc (Target_i386::i386_info): Same.
5789         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5790         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5791         fields attributes_section and attributes_vendor.
5792         * sparc.cc (Target_sparc::sparc_info): Same.
5793         * target.h (Target::attributes_section, Target::attributes_vendor,
5794         Target::is_attributes_section, Target::attribute_arg_type,
5795         Target::attributes_order): New method definitions.
5796         (Target::Target_info::attributes_section,
5797         Target::Target_info::attributes_vendor): New fields.
5798         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5799         virtual method definitions.
5800         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5801         attributes_section and attributes_vendor.
5802         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5803
5804 2009-12-05  Doug Kwan  <dougkwan@google.com>
5805
5806         * arm.cc: Update comments about interworking and stub generation.
5807         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5808         considered as non-PIC.
5809         (Arm_relocate_functions::base_abs): Fix formatting.
5810         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5811         of function to use GOT entry address instead of offset.
5812         (Target_arm::Scan::global): Issue an error if a symbol would need a
5813         PLT does not get one because it is untyped.  Remove code to create
5814         dynamic symbols for relative branches.
5815         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5816         takes unsigned integer instead of boolean.
5817
5818 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5819
5820         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5821         (two_file_test_LDADD): Likewise.
5822         (common_test_1_LDADD): Likewise.
5823         (exception_test_LDADD) Likewise.
5824         (weak_test_LDADD): Likewise.
5825         (many_sections_test_LDADD): Likewise.
5826         (initpri1_LDADD): Likewise.
5827         (script_test_1_LDADD): Likewise.
5828         (script_test_2_LDADD): Likewise.
5829         (justsyms_LDADD): Likewise.
5830         (binary_test_LDADD): Likewise.
5831         (large_LDADD): Likewise.
5832         * testsuite/Makefile.in: Regenerated.
5833
5834 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5835
5836         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5837         (Symbol_table::override_with_special): Likewise.
5838         (Symbol_table::add_from_object): Likewise.
5839
5840 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5841
5842         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5843         Don't set the data_offset twice.
5844
5845 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5846
5847         * testsuite/Makefile.in: Regenerate.
5848
5849 2009-12-03  Doug Kwan  <dougkwan@google.com>
5850
5851         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5852         (Target_arm::do_finalize_sections): Add parameter for symbol table
5853         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5854         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5855         parameter for symbol table pointer.
5856         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5857         an additional parameter for a pointer to symbol table.
5858         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5859         parameter for a symbol table pointer.
5860         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5861         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5862         Ditto.
5863         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5864         parameter for a symbol table pointer.
5865
5866 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5867
5868         * incremental.cc (Incremental_inputs_header)
5869         (Incremental_inputs_header_write, Incremental_inputs_entry)
5870         (Incremental_inputs_entry_write): Move ...
5871         * incremental.h (Incremental_inputs_header)
5872         (Incremental_inputs_header_write, Incremental_inputs_entry)
5873         (Incremental_inputs_entry_write): here.
5874
5875 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5876
5877         * incremental.cc (make_sized_incremental_binary): Set the target.
5878         Error if it is incompatible.
5879         * output.h (Output_file): Add filename method.
5880
5881 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5882
5883         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5884         from the get_* methods.
5885
5886 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5887
5888         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5889         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5890         Write 0 for the data_offset of scripts.
5891
5892 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5893
5894         * testsuite/Makefile.am: Add the incremental_test.sh test.
5895         * testsuite/incremental_test.sh: New.
5896         * testsuite/incremental_test_1.c: New.
5897         * testsuite/incremental_test_2.c: New.
5898
5899 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5900
5901        * incremental-dump.cc (main): Fix typos.
5902
5903 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5904
5905         PR gold/11025
5906         * incremental-dump.cc (main): Use llu to print 64 bit values.
5907
5908 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5909             H.J. Lu  <hongjiu.lu@intel.com>
5910
5911         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5912         $(LIBDL).
5913         (incremental_dump_LDADD): Likewise.
5914         * Makefile.in: Regenerated.
5915
5916 2009-11-25  Doug Kwan  <dougkwan@google.com>
5917
5918         Revert:
5919
5920         2009-11-25  Doug Kwan  <dougkwan@google.com>
5921
5922                 * arm.cc (Target_arm::Target_arm): Move method definition
5923                 outside of class definition.  Add code to handle
5924                 --target1-rel, --target1-abs and --target2= options.
5925                 (Target_arm::get_reloc_reloc_type): Change method to be
5926                 non-static and const.
5927                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5928                 New data member declaration.
5929                 (Target_arm::Scan::local, Target_arm::Scan::global,
5930                 Target_arm::Relocate::relocate,
5931                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5932                 Adjust call to Target_arm::get_real_reloc_type.
5933                 (Target_arm::get_real_reloc_type): Use command line options
5934                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5935                 * options.h (--target1-rel, --target1-abs, --target2): New
5936                 ARM-only options.
5937
5938 2009-11-25  Doug Kwan  <dougkwan@google.com>
5939
5940         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5941         class definition.  Add code to handle --target1-rel, --target1-abs
5942         and --target2= options.
5943         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5944         and const.
5945         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5946         member declaration.
5947         (Target_arm::Scan::local, Target_arm::Scan::global,
5948         Target_arm::Relocate::relocate,
5949         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5950         call to Target_arm::get_real_reloc_type.
5951         (Target_arm::get_real_reloc_type): Use command line options to
5952         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5953         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5954         options.
5955
5956 2009-11-25  Doug Kwan  <dougkwan@google.com>
5957
5958         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5959         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5960         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5961         formatting.
5962         (Arm_relocate_functions::thm_call): Replace body with a call to
5963         Arm_relocate_functions::thumb_branch_common.
5964         (Arm_relocate_functions::thm_jump24,
5965         Arm_relocate_functions::thm_xpc22): New method definitions.
5966         (Arm_relocate_functions::thumb_branch_common): New method definition.
5967         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5968         operator.
5969         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5970         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5971
5972 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5973
5974         * Makefile.am: Build incremental-dump
5975         * Makefile.in: Regenerate.
5976         * incremental-dump.cc: New.
5977         * incremental.cc (Incremental_inputs_header_data,
5978         Incremental_inputs_entry_data): Move to incremental.h
5979         * incremental.h: (Incremental_inputs_header_data,
5980         Incremental_inputs_entry_data): Move from incremental.cc
5981
5982 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5983
5984         * incremental.cc (Incremental_inputs_header,
5985         Incremental_inputs_header_write, Incremental_inputs_entry,
5986         Incremental_inputs_entry_write): Add a typedef with the data type.
5987
5988 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5989
5990         * incremental.cc (Incremental_inputs_header,
5991         Incremental_inputs_header_write, Incremental_inputs_entry,
5992         Incremental_inputs_entry_write): Update comment about which
5993         type has the filed descriptions.
5994
5995 2009-11-15  Doug Kwan  <dougkwan@google.com>
5996
5997         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5998         (Arm_relocate_functions::arm_branch_common): Change method defintion
5999         in class definition to a method declaration and update list of formal
6000         parameters.
6001         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6002         Arm_relocation_functions::jump24): Adjust call to
6003         Arm_relocate_functions::arm_branch_common.  Update list of formal
6004         parameters.
6005         (Arm_relocate_functions::xpc25): New method definition.
6006         (Arm_relocate_functions::arm_branch_common): Move method defintion
6007         out from class definition.  Use stubs for mode-switching and extending
6008         branch ranges.
6009         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6010         specially.  Change code to enable use of stubs in ARM branches.
6011
6012 2009-11-10  Doug Kwan  <dougkwan@google.com>
6013
6014         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6015         in method declaration.
6016         (Target_arm::relocate_stub): New method declaration.
6017         (Target_arm::default_target): Change to return a pointer instead of
6018         a const reference.
6019         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6020         Target_arm::default_target.
6021         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6022         method definition.
6023         (Target_arm::relocate_section): Adjust view.
6024         (Target_arm::relocate_stub): New method definition.
6025
6026 2009-11-10  Doug Kwan  <dougkwan@google.com>
6027
6028         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6029         a format warning.
6030         * incremental.cc (open_incremental_binary): Initialized local
6031         variables to avoid warnings.
6032         * object.cc (make_elf_object): Ditto.
6033         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6034         a format warning.
6035
6036 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6037
6038         PR gold/10930
6039         * testsuite/plugin_test.c: Include "config.h".
6040
6041 2009-11-09  Doug Kwan  <dougkwan@google.com>
6042
6043         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6044         (arm_symbol_value): Remove.
6045         (Arm_relocate_functions::arm_branch_common,
6046         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6047         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6048         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6049         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6050         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6051         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6052         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6053         Arm_relocate_functions::thm_mobw_abs_nc,
6054         Arm_relocate_functions::thm_mov_abs,
6055         Arm_relocate_functions::movw_prel_nc,
6056         Arm_relocate_functions::thm_movt_abs,
6057         Arm_relocate_functions::movt_prel,
6058         Arm_relocate_functions::thm_movw_prel_nc,
6059         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6060         (Target_arm::Relocate::relocate): Only decompose address into two
6061         parts if relocation type uses the thumb-bit and pass the actual
6062         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6063         calls to methods in Arm_relocate_functions for this change.
6064
6065 2009-11-08  Ian Lance Taylor  <iant@google.com>
6066
6067         PR 10925
6068         * reloc.cc: Instantiate
6069         Sized_relobj::initialize_input_to_output_maps and
6070         Sized_relobj:free_input_to_output_maps.
6071
6072 2009-11-06  Ian Lance Taylor  <iant@google.com>
6073
6074         PR 10876
6075         * defstd.cc (in_segment): Set only_if_ref true for "end".
6076
6077 2009-11-06  Doug Kwan  <dougkwan@google.com>
6078
6079         * arm.cc (class Reloc_stub): Correct a comment.
6080         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6081         (Target_arm::scan_section_for_stubs): New method declaration.
6082         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6083         Change methods from private to protected.
6084         (Target_arm::do_may_relax): New method definition.
6085         (Target_arm::do_relax, Target_arm::group_sections,
6086         Target_arm::scan_reloc_for_stub,
6087         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6088         (Target_arm::arm_input_section_map_): New data member declaration.
6089         (Target_arm::scan_reloc_for_stub,
6090         Target_arm::scan_reloc_section_for_stubs,
6091         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6092         Target_arm::do_relax): New method definitions.
6093
6094 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6095
6096         * configure.ac: Check for (struct stat)::st_mtim
6097         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6098         * config.in: Regenerate.
6099         * configure: Regenerate.
6100
6101 2009-11-05  Ian Lance Taylor  <iant@google.com>
6102
6103         PR 10910
6104         * output.cc (Output_segment::add_output_section): Add missing
6105         return statement.
6106
6107 2009-11-04  Ian Lance Taylor  <iant@google.com>
6108
6109         PR 10880
6110         * object.h (class Object): Add is_needed and set_is_needed
6111         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6112         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6113         defined in a dynamic object and referenced by a regular object,
6114         set is_needed for the dynamic object.
6115         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6116         if the file is marked with as_needed and it is not needed.
6117
6118 2009-11-04  Ian Lance Taylor  <iant@google.com>
6119
6120         PR 10887
6121         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6122         tags if data is discarded by linker script.
6123         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6124         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6125         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6126         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6127
6128 2009-11-04  Ian Lance Taylor  <iant@google.com>
6129
6130         * layout.cc (Layout::get_output_section): Add is_interp and
6131         is_dynamic_linker_section parameters.  Change all callers.
6132         (Layout::choose_output_section): Likewise.
6133         (Layout::make_output_section): Likewise.
6134         (Layout::add_output_section_data): Add is_dynamic_linker_section
6135         parameter.  Change all callers.
6136         * layout.h (class Layout): Update declarations.
6137         * output.h (class Output_section): Add is_interp, set_is_interp,
6138         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6139         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6140         generate_code_fills_at_write_ to a bitfield.
6141         * output.cc (Output_section::Output_sections): Initialize new
6142         fields.
6143         (Output_segment::add_output_section): Add do_sort parameter.
6144         Change all callers.
6145
6146 2009-11-03  Ian Lance Taylor  <iant@google.com>
6147
6148         PR 10860
6149         * options.h (class General_options): Add --warn-common.
6150         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6151         merging two common symbols.
6152         (Symbol_table::should_override): Handle --warn-common when merging
6153         a common symbol with a defined symbol.  Use report_resolve_problem
6154         for multiple definitions.
6155         (Symbol_table::report_resolve_problem): New function.
6156         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6157
6158 2009-11-03  Doug Kwan  <dougkwan@google.com>
6159
6160         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6161         stub_factory_.
6162         (Target_arm::stub_factory): New method definition.
6163         (Target_arm::new_arm_input_section,
6164         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6165         Target_arm::reloc_uses_thumb_bit): New method declarations.
6166         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6167         New type definitions.
6168         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6169         member declarations.
6170         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6171         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6172         New method definitions.
6173
6174 2009-11-03  Ian Lance Taylor  <iant@google.com>
6175
6176         * options.h (class General_options): Add --warn_constructors.
6177
6178 2009-11-03  Ian Lance Taylor  <iant@google.com>
6179
6180         PR 10893
6181         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6182         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6183
6184 2009-11-03  Ian Lance Taylor  <iant@google.com>
6185
6186         PR 10895
6187         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6188         --msgid-bugs-address.
6189         (install-pdf): New target.
6190         (install-data_yes): Look up one directory to find mkinstalldirs.
6191
6192 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6193
6194         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6195         tree.
6196
6197 2009-10-30  Doug Kwan  <dougkwan@google.com>
6198
6199         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6200
6201 2009-10-30  Doug Kwan  <dougkwan@google.com>
6202
6203         * arm.cc (Stub_addend_reader): New struct template definition
6204         and partial specializations.
6205         (Stub_addend_reader::operator()): New method definition for a
6206         partially specialized template.
6207
6208 2009-10-30  Doug Kwan  <dougkwan@google.com>
6209
6210         * arm.cc (Arm_relobj::processor_specific_flags): New method
6211         definition.
6212         (Arm_relobj::do_read_symbols): New method declaration.
6213         (Arm_relobj::processor_specific_flags_): New data member declaration.
6214         (Arm_dynobj): New class definition.
6215         (Target_arm::do_finalize_sections): Add input_objects parameter.
6216         (Target_arm::do_adjust_elf_header): New method declaration.
6217         (Target_arm::are_eabi_versions_compatible,
6218         (Target_arm::merge_processor_specific_flags): New method declaration.
6219         (Target_arm::do_make_elf_object): New overloaded method definitions
6220         and declaration.
6221         (Arm_relobj::do_read_symbols): New method definition.
6222         (Arm_dynobj::do_read_symbols): Ditto.
6223         (Target_arm::do_finalize_sections): Add input_objects parameters.
6224         Merge processor-specific flags from all input objects.
6225         (Target_arm::are_eabi_versions_compatible,
6226         Target_arm::merge_processor_specific_flags,
6227         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6228         New method definitions.
6229         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6230         Input_objects pointer type parameter.
6231         * layout.cc (Layout::finalize): Pass input objects to target's.
6232         finalize_sections function.
6233         * output.cc (Output_file_header::do_sized_write): Set ELF file
6234         header's processor-specific flags.
6235         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6236         Input_objects pointer type parameter.
6237         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6238         * target.h (Input_objects): New forward class declaration.
6239         (Target::processor_specific_flags,
6240         Target::are_processor_specific_flags_sect): New method definitions.
6241         (Target::finalize_sections): Add input_objects parameter.
6242         (Target::Target): Initialize processor_specific_flags_ and
6243         are_processor_specific_flags_set_.
6244         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6245         parameter.
6246         (Target::set_processor_specific_flags): New method definition.
6247         (Target::processor_specific_flags_,
6248         Target::are_processor_specific_flags_set_): New data member
6249         declarations.
6250         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6251         Input_objects pointer type parameter.
6252
6253 2009-10-30  Doug Kwan  <dougkwan@google.com>
6254
6255         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6256
6257 2009-10-28  Ian Lance Taylor  <iant@google.com>
6258
6259         * object.h (class Relobj): Drop options parameter from
6260         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6261         do_scan_relocs, do_relocate.  Change all callers.
6262         (class Sized_relobj): Drop options parameters from
6263         do_gc_process_relocs, do_scan_relocs, do_relocate,
6264         do_relocate_sections, relocate_sections, emit_relocs_scan,
6265         emit_relocs_scan_reltype.  Change all callers.
6266         (struct Relocate_info): Remove options field and all references to
6267         it.
6268         * reloc.h (class Read_relocs): Remove options constructor
6269         parameter and options_ field.  Change all callers.
6270         (class Gc_process_relocs, class Scan_relocs): Likewise.
6271         (class Relocate_task): Likewise.
6272         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6273         all callers.
6274         (scan_relocatable_relocs): Likewise.
6275         * target.h (class Sized_target): Remove options parameter from
6276         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6277         all callers.
6278         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6279         callers.
6280         * arm.cc: Update functions to remove options parameters.
6281         * i386.cc: Likewise.
6282         * powerpc.cc: Likewise.
6283         * sparc.cc: Likewise.
6284         * x86_64.cc: Likewise.
6285         * testsuite/testfile.cc: Likewise.
6286
6287 2009-10-28  Doug Kwan  <dougkwan@google.com>
6288
6289         * arm.cc (Arm_relobj): New class definition.
6290         (Arm_relobj::scan_sections_for_stubs,
6291         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6292         New method definitions.
6293
6294 2009-10-28  Cary Coutant  <ccoutant@google.com>
6295
6296         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6297         (Plugin::cleanup_done_): New member.
6298         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6299         (Plugin_manager::cleanup_done_): Remove.
6300         (Plugin_manager::add_input_file): Edit error message.
6301         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6302         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6303
6304 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6305
6306         * fileread.cc: (File_read::View::~View): Use the new
6307         data_ownership_ filed.
6308         (File_read::~File_read): Dispose the new whole_file_view_.
6309         (File_read::open): Mmap the whole file if needed.
6310         (File_read::open): Use whole_file_view_ instead of contents_.
6311         (File_read::find_view): Use whole_file_view_ if applicable.
6312         (File_read::do_read): Use whole_file_view_ instead of contents_.
6313         (File_read::make_view): Use whole_file_view_ instead of contents_,
6314         update File_read::View::View call.
6315         (File_read::find_or_make_view): Update File_read::View::View
6316         call.
6317         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6318         remove contents_
6319         (File_read::View::Data_ownership): New enum.
6320         (File_read::View::View): Replace bool mapped_ with Data_ownership
6321         argument.
6322         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6323         (File_read::View::data_ownership_): New field.
6324         (File_read::contents_): Remove (replaced by whole_file_view_).
6325         (File_read::whole_file_view_): New field.
6326         * options.h (class General_options): Add --keep-files-mapped.
6327
6328 2009-10-27  Cary Coutant  <ccoutant@google.com>
6329
6330         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6331         * testsuite/Makefile.am (plugin_test_5): New test case.
6332         * testsuite/Makefile.in: Regenerate.
6333
6334 2009-10-25  Doug Kwan  <dougkwan@google.com>
6335
6336         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6337         from private to protected to allow access by child class.
6338         (Sized_relobj::do_relocate_sections): New method declaration.
6339         (Sized_relobj::relocate_sections): Virtualize.
6340         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6341         Sized_relobj::relocate_sections.  Instantiate template explicitly
6342         for different target sizes and endianity.
6343
6344 2009-10-24  Doug Kwan  <dougkwan@google.com>
6345
6346         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6347         (Arm_input_section::as_arm_input_section): New method.
6348         (Arm_output_section): New class definition.
6349         (Arm_output_section::create_stub_group,
6350         Arm_output_section::group_sections): New method definitions.
6351
6352 2009-10-22  Doug Kwan  <dougkwan@google.com>
6353
6354         * arm.cc (Arm_input_section): New class definition.
6355         (Arm_input_section::init, Arm_input_section:do_write,
6356         Arm_input_section::set_final_data_size,
6357         Arm_input_section::do_reset_address_and_file_offset): New method
6358         definitions.
6359
6360 2009-10-21  Doug Kwan  <dougkwan@google.com>
6361
6362         * arm.cc (Stub_table, Arm_input_section): New forward class
6363         declarations.
6364         (Stub_table): New class defintion.
6365         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6366         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6367         New method definition.
6368
6369 2009-10-21  Doug Kwan  <dougkwan@google.com>
6370
6371         * arm.cc: Update copyright comments.
6372         (Target_arm): New forward class template declaration.
6373         (Arm_address): New type.
6374         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6375         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6376         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6377         constants.
6378         (Insn_template): Same.
6379         (DEF_STUBS): New macro.
6380         (Stub_type): New enum type.
6381         (Stub_template): New class definition.
6382         (Stub): Same.
6383         (Reloc_stub): Same.
6384         (Stub_factory): Same.
6385         (Target_arm::Target_arm): Initialize may_use_blx_ and
6386         should_force_pic_veneer_.
6387         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6388         Target_arm::should_force_pic_veneer,
6389         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6390         Target_arm::using_thumb_only, Target_arm:;default_target): New
6391         method defintions.
6392         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6393         New data member declarations.
6394         (Insn_template::size, Insn_template::alignment): New method defintions.
6395         (Stub_template::Stub_template): New method definition.
6396         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6397         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6398         (Stub_factory::Stub_factory): New method definition.
6399         * gold.h (string_hash): New template.
6400         * output.h (Input_section_specifier::hash_value): Use
6401         gold::string_hash.
6402         (Input_section_specifier::string_hash): Remove.
6403         * stringpool.cc (Stringpool_template::string_hash): Use
6404         gold::string_hash.
6405
6406 2009-10-20  Doug Kwan  <dougkwan@google.com>
6407
6408         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6409         symbols of relaxed input sections.
6410         * output.h (Output_section::find_relaxed_input_section): Make
6411         method public.
6412
6413 2009-10-16  Doug Kwan  <dougkwan@google.com>
6414
6415         * dynobj.cc (Versions::Versions): Initialize version_script_.
6416         Only insert base version symbol definition for a shared object
6417         if version script defines any version versions.
6418         (Versions::define_base_version): New method definition.
6419         (Versions::add_def): Check that base version is not needed.
6420         (Versions::add_need): Define base version lazily.
6421         * dynobj.h (Versions::define_base_version): New method declaration.
6422         (Versions::needs_base_version_): New data member declaration.
6423         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6424         (check_DATA): Add no_version_test.stdout.
6425         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6426         New make rules.
6427         * testsuite/Makefile.in: Regenerate.
6428         * testsuite/no_version_test.c: New file.
6429         * testsuite/no_version_test.sh: Ditto.
6430
6431 2009-10-16  Doug Kwan  <dougkwan@google.com>
6432
6433         * expression.cc (class Segment_start_expression): New class definition.
6434         (Segment_start_expression::value): New method definition.
6435         (script_exp_function_segment_start): Return a new
6436         Segment_start_expression.
6437         * gold/script-c.h (script_saw_segment_start_expression): New function
6438         prototype.
6439         * script-sections.cc (Script_sections::Script_sections): Initialize
6440         SAW_SEGMENT_START_EXPRESSION_ to false.
6441         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6442         and -Tbbs options to specify section addresses if given in
6443         command line and no SEGMENT_START expression is seen in a script.
6444         * script-sections.h (Script_sections::saw_segment_start_expression,
6445         Script_sections::set_saw_segment_start_expression): New method
6446         definition.
6447         (Script_sections::saw_segment_start_expression_): New data member
6448         declaration.
6449         * script.cc (script_saw_segment_start_expression): New function.
6450         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6451         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6452         script_test_7.sh and script_test_8.sh.
6453         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6454         script_test_8.stdout.
6455         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6456         (script_test_6, script_test_6.stdout, script_test_7,
6457         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6458         * Makefile.in: Regenerate.
6459         * testsuite/script_test_6.sh: New file.
6460         * testsuite/script_test_6.t: Same.
6461         * testsuite/script_test_7.sh: Same.
6462         * testsuite/script_test_7.t: Same.
6463         * testsuite/script_test_8.sh: Same.
6464
6465 2009-10-16  Doug Kwan  <dougkwan@google.com>
6466
6467         * output.cc (Output_segment::set_section_list_address): Cast
6468         expressions to unsigned long long type to avoid format warnings.
6469
6470 2009-10-15  Ian Lance Taylor  <iant@google.com>
6471
6472         * script.cc (Script_options::add_symbol_assignment): Always add a
6473         dot assignment to script_sections_.
6474         * script-sections.cc (Script_sections::add_dot_assignment):
6475         Initialize if necessary.
6476
6477         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6478         program headers with no load segment if there is a linker script.
6479
6480         * layout.cc (Layout::set_segment_offsets): Align the file offset
6481         to the segment aligment for -N or -n with no load segment.
6482         * output.cc (Output_segment::add_output_section): Don't crash if
6483         the first section is a TLS section.
6484         (Output_segment::set_section_list_addresses): Print an error
6485         message if the address moves backward in a linker script.
6486         * script-sections.cc
6487         (Output_section_element_input::set_section_addresses): Don't
6488         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6489         (Orphan_output_section::set_section_addresses): Likewise.
6490
6491 2009-10-15  Doug Kwan  <dougkwan@google.com>
6492
6493         * layout.cc (Layout::finish_dynamic_section): Generate tags
6494         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6495         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6496         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6497
6498 2009-10-14  Ian Lance Taylor  <iant@google.com>
6499
6500         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6501         fields.
6502         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6503         data_shdr fields of relinfo.
6504         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6505         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6506         R_386_TLS_LDO_32, adjust based on section flags.
6507         (Target_i386::Relocate::fix_up_ldo): Remove.
6508
6509 2009-10-13  Ian Lance Taylor  <iant@google.com>
6510
6511         Add support for -pie.
6512         * options.h (class General_options): Add -pie and
6513         --pic-executable.
6514         (General_options::output_is_position_independent): Test -pie.
6515         (General_options::output_is_executable): Return true if not shared
6516         and not relocatable.
6517         (General_options::output_is_pie): Remove.
6518         * options.cc (General_options::finalize): Reject incompatible uses
6519         of -pie.
6520         * gold.cc (queue_middle_tasks): A -pie link is not static.
6521         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6522         * symtab.cc (Symbol::final_value_is_known): Return false if
6523         output_is_position_independent.
6524         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6525         output_is_position_independent.
6526         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6527         output_is_position_independent.
6528         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6529         output_is_position_independent.
6530         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6531         two_file_pie_test.
6532         (basic_pie_test.o, basic_pie_test): New targets.
6533         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
6534         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
6535         (two_file_pie_test): New target.
6536         * testsuite/Makefile.in: Rebuild.
6537         * README: Remove note saying that -pie is not supported.
6538
6539 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6540
6541         * options.h (class General_options): Add -init and -fini.
6542         * layout.cc (Layout::finish_dynamic_section): Emit
6543         given init and fini functions.
6544
6545 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
6546
6547         * gc.h (gc_process_relocs): Check if icf is enabled using new
6548         function.
6549         * gold.cc (queue_initial_tasks): Likewise.
6550         (queue_middle_tasks): Likewise.
6551         * object.cc (do_layout): Likewise.
6552         * symtab.cc (is_section_folded): Likewise.
6553         * main.cc (main): Likewise.
6554         * reloc.cc (Read_relocs::run): Likewise.
6555         (Sized_relobj::do_scan_relocs): Likewise.
6556         * icf.cc (is_function_ctor_or_dtor): New function.
6557         (Icf::find_identical_sections): Check if function is ctor or dtor when
6558         safe icf is chosen.
6559         * options.h (General_options::icf): Change option to be an enum.
6560         (Icf_status): New enum.
6561         (icf_enabled): New method.
6562         (icf_safe_folding): New method.
6563         (set_icf_status): New method.
6564         (icf_status_): New variable.
6565         * (options.cc) (General_options::finalize): Set icf_status_.
6566         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
6567         icf_test and icf_keep_unique_test to use the --icf enum flag.
6568         * testsuite/icf_safe_test.sh: New file.
6569         * testsuite/icf_safe_test.cc: New file.
6570
6571 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
6572
6573         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
6574         includes to gc.h and icf.h.
6575         * arm.cc: Include gc.h.
6576         * gold.cc: Likewise.
6577         * i386.cc: Likewise.
6578         * powerpc.cc: Likewise.
6579         * sparc.cc: Likewise.
6580         * x86_64.cc: Likewise.
6581         * gc.h: Include icf.h.
6582
6583 2009-10-11  Ian Lance Taylor  <iant@google.com>
6584
6585         * plugin.cc: Include "gold.h" before other header files.
6586
6587 2009-10-10  Chris Demetriou  <cgd@google.com>
6588
6589         * options.h (Input_file_argument::Input_file_type): New enum.
6590         (Input_file_argument::is_lib_): Replace with...
6591         (Input_file_argument::type_): New member.
6592         (Input_file_argument::Input_file_argument): Take Input_file_type
6593         'type' rather than boolean 'is_lib' as second argument.
6594         (Input_file_argument::is_lib): Use type_.
6595         (Input_file_argument::is_searched_file): New function.
6596         (Input_file_argument::may_need_search): Handle is_searched_file.
6597         * options.cc (General_options::parse_library): Support -l:filename.
6598         (General_options::parse_just_symbols): Update for Input_file_argument
6599         changes.
6600         (Command_line::process): Likewise.
6601         * archive.cc (Archive::get_file_and_offset): Likewise.
6602         * plugin.cc (Plugin_manager::release_input_file): Likewise.
6603         * script.cc (read_script_file, script_add_file): Likewise.
6604         * fileread.cc (Input_file::Input_file): Likewise.
6605         (Input_file::will_search_for): Handle is_searched_file.
6606         (Input_file::open): Likewise.
6607         * readsyms.cc (Read_symbols::get_name): Likewise.
6608         * testsuite/Makefile.am (searched_file_test): New test.
6609         * testsuite/Makefile.in: Regenerate.
6610         * testsuite/searched_file_test.cc: New file.
6611         * testsuite/searched_file_test_lib.cc: New file.
6612
6613 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6614             Ian Lance Taylor  <iant@google.com>
6615
6616         * descriptor.cc: Include <cstdio> and "binary-io.h".
6617         (Descriptors::open): Open the files in binary mode always.
6618         * script.cc (Lex::get_token): Treat \r as whitespace.
6619
6620 2009-10-09  Ian Lance Taylor  <iant@google.com>
6621
6622         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
6623
6624 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6625             Ian Lance Taylor  <iant@google.com>
6626
6627         * configure.ac: Check for readv function also.
6628         * fileread.cc (readv): Define if not HAVE_READV.
6629         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
6630         does not exist.
6631         * config.in: Regenerate.
6632         * configure: Regenerate.
6633
6634 2009-10-09  Doug Kwan  <dougkwan@google.com>
6635
6636         * layout.cc (Layout::make_output_section): Call target hook to make
6637         ordinary output section.
6638         (Layout::finalize): Adjust parameter list of call the
6639         Target::may_relax().
6640         * layout.h (class Layout::section_list): New method.
6641         * merge.h (Output_merge_base::entsize): Change visibility to public.
6642         (Output_merge_base::is_string, Output_merge_base::do_is_string):
6643         New methods.
6644         (Output_merge_string::do_is_string): New method.
6645         * object.cc (Sized_relobj::do_setup): renamed from
6646         Sized_relobj::set_up.
6647         * object.h (Sized_relobj::adjust_shndx,
6648         Sized_relobj::initializ_input_to_output_maps,
6649         Sized_relobj::free_input_to_output_maps): Change visibilities to
6650         protected.
6651         (Sized_relobj::setup): Virtualize.
6652         (Sized_relobj::do_setup): New method declaration.
6653         (Sized_relobj::invalidate_section_offset,
6654         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
6655         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
6656         * options.cc (parse_int): New function.
6657         * options.h (parse_int): New declaration.
6658         (DEFINE_int): New macro.
6659         (stub_group_size): New option.
6660         * output.cc (Output_section::Output_section): Initialize memebers
6661         merge_section_map_, merge_section_by_properties_map_,
6662         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
6663         (Output_section::add_input_section): Handled deferred code-fill
6664         generation and remove an old comment.
6665         (Output_section::add_relaxed_input_section): New method definition.
6666         (Output_section::add_merge_input_section): Use merge section by
6667         properties map to speed to search.  Update merge section maps
6668         as appropriate.
6669         (Output_section::build_relaxation_map): New method definition.
6670         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6671         Same.
6672         (Output_section::relax_input_section): Renamed to
6673         Output_section::convert_input_sections_to_relaxed_sections and change
6674         interface to take a vector of pointers to relaxed sections.
6675         (Output_section::find_merge_section,
6676         Output_section::find_relaxed_input_section): New method definitions.
6677         (Output_section::is_input_address_mapped,
6678         Output_section::output_offset, Output_section::output_address):
6679         Use output section data maps to speed up searching.
6680         (Output_section::find_starting_output_address): Add comments.
6681         (Output_section::do_write,
6682         Output_section::write_to_postprocessing_buffer): Do code-fill
6683         generation as appropriate.
6684         (Output_section::get_input_sections): Invalidate relaxed input section
6685         map.
6686         (Output_section::restore_states): Adjust type of checkpoint .
6687         Invalidate relaxed input section map.
6688         * output.h (Output_merge_base): New class declaration.
6689         (Input_section_specifier): New class defintion.
6690         (class Output_relaxed_input_section) Change base class to
6691         Output_section_data_build.
6692         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6693         base class initializer.
6694         (Output_section::add_relaxed_input_section): New method declaration.
6695         (Output_section::Input_section): Change visibility to protected.
6696         (Output_section::Input_section::relobj,
6697         Output_section::Input_section::shndx): Handle relaxed input sections.
6698         Output_section::input_sections) Change visibility to protected.  Also
6699         define overload to return a non-const pointer.
6700         (Output_section::Merge_section_properties): New class defintion.
6701         (Output_section::Merge_section_by_properties_map,
6702         Output_section::Output_section_data_by_input_section_map,
6703         Output_section::Relaxation_map): New types.
6704         (Output_section::relax_input_section): Rename method to
6705         Output_section::convert_input_sections_to_relaxed_sections and change
6706         interface to take a vector of relaxed section pointers.
6707         (Output_section::find_merge_section,
6708         Output_section::find_relaxed_input_section,
6709         Output_section::build_relaxation_map,
6710         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6711         New method declarations.
6712         (Output_section::merge_section_map_
6713         Output_section::merge_section_by_properties_map_,
6714         Output_section::relaxed_input_section_map_,
6715         Output_section::is_relaxed_input_section_map_valid_,
6716         Output_section::generate_code_fills_at_write_): New data members.
6717         * script-sections.cc
6718         (Output_section_element_input::set_section_addresses): Call
6719         current_data_size and addralign methods of relaxed input sections.
6720         (Orphan_output_section::set_section_addresses): Call current_data_size
6721         and addralign methods of relaxed input sections.
6722         * symtab.cc (Symbol_table::compute_final_value): Extract template
6723         from the body of Symbol_table::sized_finalize_symbol.
6724         (Symbol_table::sized_finalized_symbol): Call
6725         Symbol_table::compute_final_value.
6726         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6727         (Symbol_table::compute_final_value): New templated method declaration.
6728         * target.cc (Target::do_make_output_section): New method defintion.
6729         * target.h (Target::make_output_section): New method declaration.
6730         (Target::relax): Add more parameters for input objects, symbol table
6731         and layout.  Adjust call to do_relax.
6732         (Target::do_make_output_section): New method declaration.
6733         (Target::do_relax): Add parameters for input objects, symbol table
6734         and layout.
6735
6736 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6737
6738         * pread.c: Include stdio.h.
6739
6740 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6741
6742         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6743         defined.
6744
6745 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6746
6747         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6748         Change read_shndx type to unsigned int.
6749         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6750         int.
6751         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6752         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6753         Change read_shndx type to unsigned int.
6754         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6755         int.
6756         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6757         * layout.cc (Layout::create_symtab_sections): Cast the result of
6758         local_symcount * symsize to off_t in the gold_assert.
6759
6760 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6761
6762         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6763         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6764         R_ARM_BASE_ABS.
6765         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6766         (Arm_relocate_functions::thm_abs5): New function.
6767         (Arm_relocate_functions::abs12): New function.
6768         (Arm_relocate_functions::abs16): New function.
6769         (Arm_relocate_functions::base_abs): New function.
6770         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6771         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6772         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6773         R_ARM_BASE_ABS.
6774         (Scan::global): Likewise.
6775         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6776         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6777         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6778         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6779         R_ARM_BASE_ABS.
6780
6781 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6782
6783         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6784         (Arm_relocate_functions::movt_prel): New function.
6785         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6786         (Arm_relocate_functions::thm_movt_prel): New function.
6787         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6788         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6789         (Scan::global, Relocate::relocate): Likewise.
6790         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6791
6792 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6793
6794         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6795         Incremental_checker.
6796         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6797         unsigned int.
6798         (class Incremental_inputs_header): New class.
6799         (Incremental_inputs_header_writer): Edit comment.
6800         (Incremental_inputs_entry): New class.
6801         (Incremental_inputs_entry_writer): Edit comment.
6802         (Sized_incremental_binary::do_find_incremental_inputs_section):
6803         Add *strtab_shndx parameter, fill it.
6804         (Sized_incremental_binary::do_check_inputs): New method.
6805         (Incremental_checker::can_incrementally_link_output_file): Use
6806         Sized_incremental_binary::check_inputs.
6807         (Incremental_inputs::report_command_line): Save command line in
6808         command_line_.
6809         * incremental.h:
6810         (Incremental_binary::find_incremental_inputs_section): New
6811         method.
6812         (Incremental_binary::do_find_incremental_inputs_section): Add
6813         strtab_shndx parameter.
6814         (Incremental_binary::do_check_inputs): New pure virtual method.
6815         (Sized_incremental_binary::do_check_inputs): Declare.
6816         (Incremental_checker::Incremental_checker): Add incremental_inputs
6817         parameter, use it to initialize incremental_inputs_.
6818         (Incremental_checker::incremental_inputs_): New field.
6819         (Incremental_checker::command_line): New method.
6820         (Incremental_checker::inputs): New method.
6821         (Incremental_checker::command_line_): New field.
6822
6823 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6824
6825         * incremental.cc: Include <cstdarg> and "target-select.h".
6826         (vexplain_no_incremental): New function.
6827         (explain_no_incremental): New function.
6828         (Incremental_binary::error): New method.
6829         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6830         method.
6831         (make_sized_incremental_binary): New function.
6832         (open_incremental_binary): New function.
6833         (can_incrementally_link_file): Add checks if output is ELF and has
6834         inputs section.
6835         * incremental.h: Include "elfcpp_file.h" and "output.h".
6836         (Incremental_binary): New class.
6837         (Sized_incremental_binary): New class.
6838         (open_incremental_binary): Declare.
6839         * object.cc (is_elf_object): Use
6840         elfcpp::Elf_recognizer::is_elf_file.
6841         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6842         * output.h (Output_file::filesize): New method.
6843
6844 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6845
6846         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6847         New function.
6848         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6849         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6850         function.
6851         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6852         function.
6853         (Arm_relocate_functions::movw_abs_nc): New function.
6854         (Arm_relocate_functions::movt_abs): New function.
6855         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6856         (Arm_relocate_functions::thm_movt_abs): New function.
6857         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6858         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6859         (Scan::global): Likewise.
6860         (Relocate::relocate): Likewise.
6861         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6862
6863 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6864
6865         * arm.cc (Arm_relocate_functions::got_prel) New function.
6866         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6867         (Relocate::relocate): Likewise.
6868         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6869
6870 2009-10-06  Ian Lance Taylor  <iant@google.com>
6871
6872         * options.h (class General_options): Define
6873         split_stack_adjust_size parameter.
6874         * object.h (class Object): Add uses_split_stack_ and
6875         has_no_split_stack_ fields.  Add uses_split_stack and
6876         has_no_split_stack accessor functions.  Declare
6877         handle_split_stack_section.
6878         (class Reloc_symbol_changes): Define.
6879         (class Sized_relobj): Define Function_offsets.  Declare
6880         split_stack_adjust, split_stack_adjust_reltype, and
6881         find_functions.
6882         * object.cc (Object::handle_split_stack_section): New function.
6883         (Sized_relobj::do_layout): Call handle_split_stack_section.
6884         * dynobj.cc (Sized_dynobj::do_layout): Call
6885         handle_split_stack_section.
6886         * reloc.cc (Sized_relobj::relocate_sections): Call
6887         split_stack_adjust for executable sections in split_stack
6888         objects.  Pass reloc_map to relocate_section.
6889         (Sized_relobj::split_stack_adjust): New function.
6890         (Sized_relobj::split_stack_adjust_reltype): New function.
6891         (Sized_relobj::find_functions): New function.
6892         * target-reloc.h: Include "object.h".
6893         (relocate_section): Add reloc_symbol_changes parameter.  Change
6894         all callers.
6895         * target.h (class Target): Add calls_non_split method.  Declare
6896         do_calls_non_split virtual method.  Declare match_view and
6897         set_view_to_nop.
6898         * target.cc: Include "elfcpp.h".
6899         (Target::do_calls_non_split): New function.
6900         (Target::match_view): New function.
6901         (Target::set_view_to_nop): New function.
6902         * gold.cc (queue_middle_tasks): Give an error if mixing
6903         split-stack and non-split-stack objects with -r.
6904         * i386.cc (Target_i386::relocate_section): Add
6905         reloc_symbol_changes parameter.
6906         (Target_i386::do_calls_non_split): New function.
6907         * x86_64.cc (Target_x86_64::relocate_section): Add
6908         reloc_symbol_changes parameter.
6909         (Target_x86_64::do_calls_non_split): New function.
6910         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6911         parameter.
6912         * powerpc.cc (Target_powerpc::relocate_section): Add
6913         reloc_symbol_changes parameter.
6914         * sparc.cc (Target_sparc::relocate_section): Add
6915         reloc_symbol_changes parameter.
6916         * configure.ac: Call AM_CONDITIONAL for the default target.
6917         * configure: Rebuild.
6918         * testsuite/Makefile.am (TEST_AS): New variable.
6919         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6920         (check_DATA): Add split_i386 and split_x86_64 files.
6921         (SPLIT_DEFSYMS): Define.
6922         (split_i386_[1234n].o): New targets.
6923         (split_i386_[124]): New targets.
6924         (split_i386_[1234r].stdout): New targets.
6925         (split_x86_64_[1234n].o): New targets.
6926         (split_x86_64_[124]): New targets.
6927         (split_x86_64_[1234r].stdout): New targets.
6928         (MOSTLYCLEANFILES): Add new executables.
6929         * testsuite/split_i386.sh: New file.
6930         * testsuite/split_x86_64.sh: New file.
6931         * testsuite/split_i386_1.s: New file.
6932         * testsuite/split_i386_2.s: New file.
6933         * testsuite/split_i386_3.s: New file.
6934         * testsuite/split_i386_4.s: New file.
6935         * testsuite/split_i386_n.s: New file.
6936         * testsuite/split_x86_64_1.s: New file.
6937         * testsuite/split_x86_64_2.s: New file.
6938         * testsuite/split_x86_64_3.s: New file.
6939         * testsuite/split_x86_64_4.s: New file.
6940         * testsuite/split_x86_64_n.s: New file.
6941         * testsuite/testfile.cc (Target_test): Update relocation_section
6942         function.
6943         * testsuite/Makefile.in: Rebuild.
6944
6945 2009-10-06  Ian Lance Taylor  <iant@google.com>
6946
6947         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6948         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6949         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6950         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6951         the address on ldo_addrs_.
6952         (Target_i386::Relocate::fix_up_ldo): New function.
6953
6954 2009-10-06   Rafael Espindola  <espindola@google.com>
6955
6956         * plugin.cc (add_input_library): New.
6957         (Plugin::load): Add add_input_library to tv.
6958         (Plugin_manager::add_input_file): Add the is_lib argument.
6959         (add_input_file): Update call to Plugin_manager::add_input_file.
6960         (add_input_library): New.
6961         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6962
6963 2009-09-30  Doug Kwan  <dougkwan@google.com>
6964
6965         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6966         symbol and call Symbol::may_need_copy_reloc to determine if
6967         a copy reloc is needed.
6968         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6969         nocopyreloc is given in command line.
6970         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6971         given in command line.
6972         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6973         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6974         of the removed Target_i386::may_need_copy_reloc.
6975         * options.h (copyreloc): New option with default value false.
6976         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6977         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6978         instead of the removed Target_powerpc::may_need_copy_reloc.
6979         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6980         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6981         instead of the removed Target_sparc::may_need_copy_reloc.
6982         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6983         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6984         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6985         instead of the removed Target_x86_64::may_need_copy_reloc.
6986
6987 2009-09-30  Ian Lance Taylor  <iant@google.com>
6988
6989         * object.h (class Object): Remove target_ field, and target,
6990         sized_target, and set_target methods.
6991         (Object::sized_target): Remove.
6992         (class Sized_relobj): Update declarations.  Remove sized_target.
6993         * object.cc (Sized_relobj::setup): Remove target parameter.
6994         Change all callers.
6995         (Input_objects::add_object): Don't do anything with the target.
6996         (make_elf_sized_object): Add punconfigured parameter.  Change all
6997         callers.  Set or test parameter target.
6998         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6999         Change all callers.
7000         * parameters.cc (Parameters::set_target): Change parameter type to
7001         be non-const.
7002         (Parameters::default_target): Remove.
7003         (set_parameters_target): Change parameter type to be non-const.
7004         (parameters_force_valid_target): New function.
7005         (parameters_clear_target): New function.
7006         * parameters.h (class Parameters): Update declarations.  Remove
7007         default_target method.  Add sized_target and clear_target
7008         methods.  Change target_ to be non-const.
7009         (set_parameters_target): Update declaration.
7010         (parameters_force_valid_target): Declare.
7011         (parameters_clear_target): Declare.
7012         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7013         as NULL if we aren't searching.
7014         (Add_symbols::run): Don't check for compatible target.
7015         * fileread.cc (Input_file::open_binary): Call
7016         parameters_force_valid_target.
7017         * gold.cc (queue_middle_tasks): Likewise.
7018         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7019         set_target on object.
7020         * dynobj.h (class Sized_dynobj): Update declarations.
7021         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7022         make_elf_object returns NULL.
7023         (Archive::include_member): Don't check whether object target is
7024         compatible.
7025         * output.cc (Output_section::add_input_section): Get target from
7026         parameters.
7027         (Output_section::relax_input_section): Likewise.
7028         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7029         parameters.
7030         (Sized_relobj::do_scan_relocs): Likewise.
7031         (Sized_relobj::relocate_sections): Likewise.
7032         * resolve.cc (Symbol_table::resolve): Likewise.
7033         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7034         parameter.  Change all callers.
7035         (Symbol_table::add_from_object): Get target from parameters.
7036         (Symbol_table::add_from_relobj): Don't check object target.
7037         (Symbol_table::add_from_dynobj): Likewise.
7038         (Symbol_table::define_special_symbol): Get target from
7039         parameters.
7040         * symtab.h (class Symbol_table): Update declaration.
7041         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7042         parameter.  Change all callers.  Clear parameter target.
7043         (Binary_test): Test target here.
7044         * testsuite/object_unittest.cc (gold_testsuite): Remove
7045         target_test_pointer parameter.  Change all callers.
7046         (Object_test): Test target here.
7047
7048 2009-09-26  Ian Lance Taylor  <iant@google.com>
7049
7050         * testsuite/initpri1.c: Don't try to use constructor priorities if
7051         compiling with gcc before 4.3.
7052
7053 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7054
7055         * testsuite/retain_symbols_file_test.sh (check_present): Change
7056         output file name to retain_symbols_file_test.stdout.
7057         (check_absent): Likewise.
7058
7059 2009-09-18  Craig Silverstein  <csilvers@google.com>
7060
7061         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7062         * options.cc: Include <cerrno> and <fstream>.
7063         (General_options::finalize): Parse -retain-symbols-file tag.
7064         * options.h: New flag.
7065         (General_options): New method should_retain_symbol, new
7066         variable symbols_to_retain.
7067         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7068         should_retain_symbol map.
7069         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7070         * testsuite/Makefile.in: Regenerate.
7071         * testsuite/retain_symbols_file_test.sh: New file.
7072
7073 2009-09-18  Nick Clifton  <nickc@redhat.com>
7074
7075         * po/es.po: Updated Spanish translation.
7076
7077 2009-09-17  Doug Kwan  <dougkwan@google.com>
7078
7079         * debug.h (DEBUG_RELAXATION): New constant.
7080         (DEBUG_ALL): Add DEBUG_RELAXATION.
7081         (debug_string_to_enum): Add relaxation debug option.
7082         * layout.cc
7083         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7084         Layout::Relaxation_debug_check::read_sections,
7085         Layout::Relaxation_debug_check::read_sections): New method definitions.
7086         (Layout::Layout): Initialize data members
7087         record_output_section_data_from_scrips_,
7088         script_output_section_data_list_ and relaxation_debug_check_.
7089         (Layout::save_segments, Layout::restore_segments,
7090         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7091         Layout::relaxation_loop_body): New method definitions.
7092         (Layout::finalize): Support relaxation.  Move section layout code to
7093         Layout::relaxation_loop_body.
7094         (Layout::set_asection_address_from_script): Move code for orphan
7095         section placement out.
7096         (Layout::place_orphan_sections_in_script): New method definition.
7097         * layout.h (Output_segment_headers, Output_file_header):
7098         New forward class declarations.
7099         (Layout::~Layout): Define.
7100         (Layout::new_output_section_data_from_script): New method definition.
7101         (Layout::place_orphan_sections_in_script): New method declaration.
7102         (Layout::Segment_states): New type declaration.
7103         (Layout::save_segments, Layout::restore_segments,
7104         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7105         Layout::relaxation_loop_body): New method declarations.
7106         (Layout::Output_section_data_list): New type declaration.
7107         (Layout::Relaxation_debug_check): New class definition.
7108         (Layout::record_output_section_data_from_script_,
7109         Layout::script_output_section_data_list_, Layout::segment_states_,
7110         Layout::relaxation_debug_check_): New data members.
7111         * output.cc: (Output_section_headers::do_size): New method definition.
7112         (Output_section_headers::Output_section_headers): Move size
7113         computation to Output_section_headers::do_size.
7114         (Output_segment_headers::do_size): New method definition.
7115         (Output_file_header::Output_file_header): Move size computation to
7116         Output_file_header::do_size and call it.
7117         (Output_file_header::do_size): New method definition.
7118         (Output_data_group::Output_data_group): Adjust call to
7119         Output_section_data.
7120         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7121         (Output_symtab_xindex::do_write): Add array bound check.
7122         (Output_section::Input_section::print_to_mapfile): Handle
7123         RELAXED_INPUT_SECTION_CODE.
7124         (Output_section::Output_section): Initialize data member checkpoint_.
7125         (Output_section::~Output_section): Delete checkpoint object pointed
7126         by checkpoint_.
7127         (Output_section::add_input_section): Always add an Input_section if
7128         relaxing.
7129         (Output_section::add_merge_input_section): Add assert.
7130         (Output_section::relax_input_section): New method definition.
7131         (Output_section::set_final_data_size): Set load address to zero for
7132         an unallocated section.
7133         (Output_section::do_address_and_file_offset_have_reset_values):
7134         New method definition.
7135         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7136         Handle relaxed input section.
7137         (Output_section::sort_attached_input_sections): Checkpoint input
7138         section list lazily.
7139         (Output_section::get_input_sections): Change type of input_sections to
7140         list of Simple_input_section pointers.  Checkpoint input section list
7141         lazily.  Also handle relaxed input sections.
7142         (Output_section::add_input_section_for_script): Take a reference to
7143         a Simple_input_section object instead of Relobj pointer and section
7144         index as parameter.  Handle relaxed input sections.
7145         (Output_section::save_states, Output_section::restore_states): New
7146         method definitions.
7147         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7148         (Output_data::is_data_size_fixed): New method definition.
7149         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7150         if it is fixed.
7151         (Output_data::address_and_file_offset_have_reset_values): New method
7152         definition.
7153         (Output_data::do_address_and_file_offset_have_reset_values): New method
7154         definition.
7155         (Output_data::set_data_size): Check that data size is not fixed.
7156         (Output_data::fix_data_size): New method definition.
7157         (Output_data::is_data_size_fixed_): New data member.
7158         (Output_section_headers::set_final_data_size): New method definition.
7159         (Output_section_headers::do_size): New method declaration.
7160         (Output_segment_headers::set_final_data_size): New method definition.
7161         (Output_segment_headers::do_size): New method declaration.
7162         (Output_file_header::set_final_data_size)::New method definition.
7163         (Output_file_header::do_size)::New method declaration.
7164         (Output_section_data::Output_section_data): Add new parameter
7165         is_data_size_fixed and use it to fix data size.
7166         (Output_data_const::Output_data_const): Adjust call to base class
7167         constructor and fix data size.
7168         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7169         base class constructor and fix data size.
7170         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7171         base class constructor and fix data size.
7172         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7173         class constructor and fix data size.
7174         (Output_data_group::set_final_data_size): New method definition.
7175         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7176         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7177         class constructor and fix data size.
7178         (Output_relaxed_input_section): New class definition.
7179         (Output_section::Simple_input_section): New class definition.
7180         (Output_section::get_input_sections): Adjust parameter list.
7181         (Output_section::add_input_section_for_script): Same.
7182         (Output_section::save_states, Output_section::restore_states,
7183         Output_section::do_address_and_file_offset_have_reset_values,
7184         (Output_section::Input_section::Input_section): Handle
7185         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7186         Output_relaxed_input_section.
7187         (Output_section::Input_section::is_input_section,
7188         Output_section::Input_section::set_output_section): Handle relaxed
7189         input section.
7190         (Output_section::Input_section::is_relaxed_input_section,
7191         Output_section::Input_section::output_section_data,
7192         Output_section::Input_section::relaxed_input_section): New method
7193         definitions.
7194         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7195         value.
7196         (Output_section::Input_section::u1_): Update comments.
7197         (Output_section::Input_section::u2_): Add new union member poris.
7198         (Output_section::Checkpoint_output_section): New classs definition.
7199         (Output_section::relax_input_section): New method declaration.
7200         (Output_section::checkpoint_): New data member.
7201         (Output_segment): Update comments.
7202         (Output_segment::Output_segment): Un-privatize copy constructor.
7203         (Output_segment::operator=): Un-privatize.
7204         * script-sections.cc (Output_section_element::Input_section_list):
7205         Change element type to Output_section::Simple_input_section.
7206         (Output_section_element_dot_assignment::set_section_addresses):
7207         Register output section data for relaxation clean up.
7208         (Output_data_exression::Output_data_expression): Adjust call to base
7209         constructor to fix data size.
7210         (Output_section_element_data::set_section_addresses): Register
7211         Output_data_expression object for relaxation clean up.
7212         (struct Input_section_info): Replace Relobj pointer and section index
7213         pair with Output_section::Simple_input_section and Convert struct to a
7214         class.
7215         (Input_section_sorter::operator()): Adjust access to
7216         Input_section_info data member to use accessors.
7217         (Output_section_element_input::set_section_addresses): Use layout
7218         parameter.  Adjust code to use Output_section::Simple_input_section
7219         and Input_secction_info classes.  Register filler for relaxation
7220         clean up.
7221         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7222         and section index pair with Output_section::Simple_input_section
7223         class.  Adjust code accordingly.
7224         (Phdrs_element::release_segment): New method definition.
7225         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7226         segment list.
7227         (Script_sections::release_segments): New method definition.
7228         * gold/script-sections.h (Script_sections::release_segments): New
7229         method declaration.
7230         * gold/target.h (Target::may_relax, Target::relax,
7231         Target::do_may_relax, Target::do_relax): New method definitions.
7232
7233 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7234
7235         * arm.cc (has_signed_unsigned_overflow): New function.
7236         (Arm_relocate_functions::abs8): New function.
7237         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7238         (Target_arm::Scan::global): Likewise.
7239         (Target_arm::relocate::relocate): Likewise.
7240         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7241         Likewise.
7242
7243 2009-09-16  Cary Coutant  <ccoutant@google.com>
7244
7245         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7246         * testsuite/Makefile.in: Regenerate.
7247
7248 2009-09-11  Nick Clifton  <nickc@redhat.com>
7249
7250         * po/gold.pot: Updated by the Translation project.
7251
7252 2009-09-08  Cary Coutant  <ccoutant@google.com>
7253
7254         * output.cc (Output_file::open): Add execute permission to empty file.
7255         * testsuite/Makefile.am (permission_test): New test.
7256         * testsuite/Makefile.in: Regenerate.
7257
7258 2009-09-02  Ian Lance Taylor  <iant@google.com>
7259
7260         * output.cc (Output_file::resize): Call map_no_anonymous rather
7261         than map.
7262
7263 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7264
7265         * gold.cc: Include "incremental.h".
7266         (queue_initial_tasks): Call Incremental_checker methods.
7267         * incremental.cc: Include "output.h".
7268         (Incremental_checker::can_incrementally_link_output_file): New
7269         method.
7270         * incremental.h (Incremental_checker): New class.
7271
7272         * output.cc (Output_file::open_for_modification): New method.
7273         (Output_file::map_anonymous): Changed return type to bool.  Record
7274         map in base_ field.
7275         (Output_file::map_no_anonymous): New method, broken out of map.
7276         (Output_file::map): Use map_no_anonymous and map_anonymous.
7277         * output.h (class Output_file): Update declarations.
7278
7279 2009-08-24  Cary Coutant  <ccoutant@google.com>
7280
7281         * options.h (Command_line::Pre_options): New class.
7282         (Command_line::pre_options): New member.
7283         * options.cc (gold::options::ready_to_register): New variable.
7284         (One_option::register_option): Do nothing if not registering options.
7285         Assert if same short option registered twice.
7286         (General_options::General_options): Turn off option registration when
7287         done constructing.
7288         (Command_line::Pre_options::Pre_options): New constructor.
7289
7290 2009-08-24  Cary Coutant  <ccoutant@google.com>
7291
7292         * options.h (General_options::no_keep_memory): Remove incorrect
7293         short option.
7294
7295 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7296
7297         * Makefile.am (am__skiplex, am__skipyacc): New.
7298         * Makefile.in: Regenerate.
7299
7300 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7301
7302         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7303         (INCLUDES): ... this.
7304         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7305         (AM_CPPFLAGS): Renamed from ...
7306         (INCLUDE): ... this.
7307         * Makefile.in, testsuite/Makefile.in: Regenerate.
7308
7309         * Makefile.in: Regenerate.
7310         * aclocal.m4: Likewise.
7311         * config.in: Likewise.
7312         * configure: Likewise.
7313         * testsuite/Makefile.in: Likewise.
7314
7315         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7316         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7317         * Makefile.in: Regenerate.
7318         * testsuite/Makefile.in: Regenerate.
7319
7320 2009-08-19  Cary Coutant  <ccoutant@google.com>
7321
7322         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7323         symbols in shared libraries overridden by hidden or internal symbols
7324         in the main program.
7325
7326 2009-08-19  Chris Demetriou  <cgd@google.com>
7327
7328         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7329         checking source file names in error messages.
7330
7331 2009-08-18  Doug Kwan  <dougkwan@google.com>
7332
7333         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7334         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7335         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7336         an elfcpp::Ehdr as parameter.
7337         * object.cc (Object::set_target): Remove the version that looks up
7338         a target and sets it.
7339         (Sized_relobj::setup): Take a Target object instead of
7340         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7341         (make_elf_sized_object): Find target and ask target to
7342         make an ELF object.
7343         * object.h: (Object::set_target): Remove the version that looks up
7344         a target and sets it.
7345         (Sized_relobj::setup): Take a Target object instead of
7346         an elfcpp:Ehdr as parameter.
7347         * target.cc: Include dynobj.h.
7348         (Target::do_make_elf_object_implementation): New.
7349         (Target::do_make_elf_object): New.
7350         * target.h (Target::make_elf_object): New template declaration.
7351         (Target::do_make_elf_object): New method declarations.
7352         (Target::do_make_elf_object_implementation): New template declaration.
7353
7354 2009-08-14  Ian Lance Taylor  <iant@google.com>
7355
7356         * gold.h (FUNCTION_NAME): Define.
7357         (gold_unreachable): Use FUNCTION_NAME.
7358
7359 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7360
7361         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7362         symbol in the --keep-unique list is not found.
7363
7364 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7365
7366         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7367         been maked as --keep-unique.
7368         (Icf::unfold_section): New function.
7369         * icf.h (Icf::unfold_section): New function.
7370         * options.h (General_options::keep_unique): New option.
7371         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7372         * testsuite/Makefile.in: Regenerate.
7373         * testsuite/icf_keep_unique_test.sh: New file.
7374         * testsuite/icf_keep_unique_test.cc: New file.
7375
7376 2009-08-12  Cary Coutant  <ccoutant@google.com>
7377
7378         PR 10471
7379         * resolve.cc (Symbol_table::resolve): Check for references from
7380         dynamic objects to hidden and internal symbols.
7381         * testsuite/Makefile.am (hidden_test.sh): New test.
7382         * testsuite/Makefile.in: Regenerate.
7383         * testsuite/hidden_test.sh: New script.
7384         * testsuite/hidden_test_1.c: New test source.
7385         * testsuite/hidden_test_main.c: New test source.
7386
7387 2009-08-11  Doug Kwan  <dougkwan@google.com>
7388
7389         * arm.cc: Update comments.
7390         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7391         segment to locate the .ARM.exidx section if present.
7392
7393 2009-08-09  Doug Kwan  <dougkwan@google.com>
7394
7395         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7396         patch.
7397
7398 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7399         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7400         compiler warnings.
7401
7402 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7403
7404         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7405         valid tls_segment only for non-debug-section relocations.
7406         * testsuite/Makefile.am: Add gc_tls_test.
7407         * testsuite/Makefile.in: Regenerate.
7408         * testsuite/gc_tls_test.cc: New file.
7409         * testsuite/gc_tls_test.sh: New file.
7410
7411 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7412
7413         * icf.cc: New file.
7414         * icf.h: New file.
7415         * Makefile.am (CCFILES): Add icf.cc.
7416         (HFILES): Add icf.h
7417         * Makefile.in: Regenerate.
7418         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7419         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7420         section, symbol and addend information for the relocs.
7421         * gold.cc (queue_middle_tasks): Call identical code folding.
7422         * gold.h: Add defines for multimap.
7423         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7424         to the call of finalize_local_symbols.
7425         * main.cc (main): Create object of class Icf.
7426         * object.cc (Sized_relobj::do_layout): Allow this function to be
7427         called twice during icf.
7428         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7429         to sections marked as identical by icf.
7430         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7431         when available.
7432         (Sized_relobj::do_section_entsize): New function.
7433         * object.h (Object::section_entsize): New function.
7434         (Object::do_section_entsize): New pure virtual function.
7435         (Relobj::finalize_local_symbols): Add new parameter.
7436         (Relobj::do_section_entsize): New function.
7437         * options.h (General_options::icf): New option.
7438         (General_options::icf_iterations): New option.
7439         (General_options::print_icf_sections): New option.
7440         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7441         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7442         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7443         icf.
7444         * symtab.cc (Symbol_table::is_section_folded): New function.
7445         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7446         to sections marked as identical by icf.
7447         * symtab.h (Symbol_table::set_icf): New function.
7448         (Symbol_table::icf): New function.
7449         (Symbol_table::is_section_folded): New function.
7450         (Symbol_table::icf_): New data member.
7451         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7452         * testsuite/Makefile.am: Add commands to build icf_test.
7453         * testsuite/Makefile.in: Regenerate.
7454         * testsuite/icf_test.sh: New file.
7455         * testsuite/icf_test.cc: New file.
7456
7457 2009-07-24  Chris Demetriou  <cgd@google.com>
7458
7459         * layout.cc (is_compressible_debug_section): Fix incorrect
7460         comment about compressed section names.
7461
7462 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7463
7464         PR 10419
7465         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7466
7467 2009-07-16  Ian Lance Taylor  <iant@google.com>
7468
7469         PR 10400
7470         * layout.h: #include <map>.
7471         (class Kept_section): Change from struct to class.  Add accessors
7472         and setters.  Add section size to Comdat_group mapping.  Change
7473         Comdat_group to std::map.  Add is_comdat_ field.  Add
7474         linkonce_size field in union.
7475         (class Layout): Update declaration of find_or_add_kept_section.
7476         Don't declare find_kept_object.
7477         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7478         parameter.  Add object, shndx, is_comdat, and is_group_name
7479         parameters.  Change all callers.  Adjust for new Kept_section.
7480         (Layout::find_kept_object): Remove.
7481         * object.cc (Sized_relobj::include_section_group): Update use of
7482         Kept_section.  Rename secnum to shndx.  Only record
7483         Kept_comdat_section if sections are the same size.
7484         (Sized_relobj::include_linkonce_section): Update use of
7485         Kept_section.  Only record Kept_comdat_section if sections are the
7486         same size.  Set size of linkonce section.
7487         (Sized_relobj::map_to_kept_section): Update call to
7488         get_kept_comdat_section.
7489         * object.h (class Sized_relobj): Rename fields in
7490         Kept_comdat_section to drop trailing underscores; change object
7491         field to Relobj*.  Change Kept_comdat_section_table to store
7492         struct rather than pointer.
7493         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7494         Add kept_object and kept_shndx parameters.  Change all callers.
7495         (Sized_relobj::get_kept_comdat_section): Change return type to
7496         bool.  Add kept_object and kept_shndx parameters.  Change all
7497         callers.
7498         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7499         Layout::find_or_add_kept_section.
7500
7501 2009-07-09  Ian Lance Taylor  <iant@google.com>
7502
7503         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7504         Reserve space in the hash table.
7505
7506 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7507
7508         * fileread.cc (File_read::get_mtime): New method.
7509         * fileread.h (Timespec): New structure.
7510         (File_read::get_mtime): New method.
7511         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7512         Renamed from timestamp_nsec.
7513         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7514         Elf_Xword.
7515         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7516         timestamp_nsec.
7517         (Incremental_inputs::report_archive): Save mtime; style fix.
7518         (Incremental_inputs::report_obejct): Save mtime; style fix.
7519         (Incremental_inputs::report_script): Save mtime; style fix.
7520         (Incremental_inputs::finalize_inputs): Style fix.
7521         (Incremental_inputs::finalize): Style fix.
7522         (Incremental_inputs::create_input_section_data): Store inputs
7523         mtime.
7524         * incremental.h (Incremental_inputs::report_script): Add mtime
7525         argument.
7526         (Incremental_inputs::Input_info::Input_info): Intialize only one
7527         union member.
7528         (Incremental_inputs::Input_info::archive): Move to nameless
7529         union.
7530         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7531         (Incremental_inputs::Input_info::script): Move to nameless union.
7532         (Incremental_inputs::mtime): New field.
7533         * script.cc (read_input_script): Pass file mtime to
7534         Incremental_input.
7535         * script.h (Script_info::inputs): Style fix.
7536
7537 2009-07-01  Ian Lance Taylor  <ian@airs.com>
7538
7539         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
7540         instead of 32.
7541
7542 2009-06-24  Ian Lance Taylor  <iant@google.com>
7543
7544         PR 10156
7545         * layout.cc (Layout::choose_output_section): If we find an
7546         existing section, update the flags.
7547         (Layout::create_notes): New function, broken out of
7548         Layout::finalize.
7549         (Layout::finalize): Don't create note sections.
7550         (Layout::create_note): Don't crash if linker script discards
7551         section.
7552         (Layout::create_gold_note): Likewise.
7553         (Layout::create_build_id): Likewise.  Don't set
7554         after_input_sections on the section.
7555         (Layout::create_executable_stack_info): Remove target parameter.
7556         Change caller.
7557         * layout.h (class Layout): Declare create_notes.  Update
7558         declaration of create_executable_stack_info.
7559         * gold.cc (queue_middle_tasks): Call create_notes.
7560         * output.cc (Output_section::update_flags_for_input_section): Move
7561         here from output.h.  If SHF_ALLOC flag is newly set, mark address
7562         invalid.
7563         * output.h (Output_data::mark_address_invalid): New function.
7564         (class Output_section): Only declare, not define,
7565         update_flags_for_input_section.  Remove set_flags.
7566
7567 2009-06-24  Ian Lance Taylor  <iant@google.com>
7568
7569         * script-sections.cc (Output_section_definition::
7570         set_section_addresses): Rename shadowing local load_address to
7571         laddr.
7572
7573 2009-06-24  Ian Lance Taylor  <iant@google.com>
7574
7575         PR 10244
7576         * reloc.cc (relocate_sections): Skip empty relocation sections.
7577
7578 2009-06-23  Ian Lance Taylor  <iant@google.com>
7579
7580         PR 10156
7581         * layout.cc (Layout::create_note): Use choose_output_section
7582         rather than make_output_section.
7583
7584 2009-06-23  Ian Lance Taylor  <iant@google.com>
7585
7586         PR 10237
7587         * options.cc (General_options::parse_V): Set printed_version_.
7588         (General_options::General_options): Initialize printed_version_.
7589         * options.h (class General_options): Add printed_version_ field.
7590         * gold.cc (queue_initial_tasks): If there are no input files,
7591         don't give a fatal error if we printed the version information.
7592         (queue_middle_tasks): If using -r with a shared object, give a
7593         fatal error rather than an ordinary error.
7594
7595 2009-06-23  Ian Lance Taylor  <iant@google.com>
7596
7597         PR 10219
7598         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
7599         (Layout::make_output_section): Set have_stabstr_section_ if we see
7600         a .stab*str section.
7601         (Layout::finalize): Call link_stabs_sections.
7602         (Layout::link_stabs_sections): New file.
7603         * layout.h (class Layout): Add have_stabstr_section_ field.
7604         Declare link_stabs_sections.
7605
7606 2009-06-23  Doug Kwan  <dougkwan@google.com>
7607
7608         * Makefile.am (libgold_a_LIBADD): New.
7609         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
7610         * Makefile.in: Regenerate.
7611         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
7612         * configure: Regenerate.
7613         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
7614         * fileread.cc: Include sys/state.h
7615         * gold.h: Declare memmem and strndup if found missing.
7616         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
7617
7618 2009-06-23  Ian Lance Taylor  <iant@google.com>
7619
7620         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
7621         * configure: Rebuild.
7622
7623 2009-06-23  Ian Lance Taylor  <iant@google.com>
7624
7625         PR 10147
7626         * object.cc (Object::section_contents): Don't try to get a view if
7627         the section has length zero.
7628         (Object::handle_gnu_warning_section): If the section is empty, use
7629         the name of the section as the warning.
7630
7631 2009-06-23  Ian Lance Taylor  <iant@google.com>
7632
7633         PR 10133
7634         * stringpool.h (class Stringpool_template): Add optimize_ field.
7635         (Stringpool_template::set_optimize): New function.
7636         * stringpool.cc (Stringpool_template::Stringpool_template):
7637         Initialize optimize_ field.
7638         (Stringpool_template::set_string_offsets): Test local optimize
7639         fild rather than parameter.
7640         * layout.cc (Layout::Layout): Call set_optimize on the section
7641         name stringpool.
7642
7643 2009-06-22  Ian Lance Taylor  <iant@google.com>
7644
7645         PR 10030
7646         * yyscript.y: Parse TARGET.
7647         * script.cc (script_set_target): New function.
7648         * script-c.h (script_set_target): Declare.
7649         * options.cc (General_options::string_to_object_format): Rename
7650         from string_to_object_format in anonymous namespace.  Change
7651         callers.
7652         * options.h (class General_options): Declare
7653         string_to_object_format.
7654
7655 2009-06-22  Ian Lance Taylor  <iant@google.com>
7656
7657         * script-sections.cc (Script_sections::create_segments): Don't put
7658         program headers in a PT_LOAD segment if -n or -N.
7659
7660 2009-06-22  Ian Lance Taylor  <iant@google.com>
7661
7662         PR 10141
7663         * options.h (class General_options): Add -z lazy and -z now.  Sort
7664         -z options into alphabetical order.
7665         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
7666
7667 2009-06-21  Ian Lance Taylor  <iant@google.com>
7668
7669         * layout.cc (Layout::make_output_section): Call
7670         Target::new_output_section.
7671         (Layout::attach_allocated_section_to_segment): Put large section
7672         sections in a separate load segment with the large segment flag
7673         set.
7674         (Layout::segment_precedes): Sort large data segments after other
7675         load segments.
7676         (align_file_offset): New static function.
7677         (Layout::set_segment_offsets): Use align_file_offset.
7678         * output.h (class Output_section): Add is_small_section_ and
7679         is_large_section_ fields.
7680         (Output_section::is_small_section): New function.
7681         (Output_section::set_is_small_section):  New function.
7682         (Output_section::is_large_section): New function.
7683         (Output_section::set_is_large_section): New function.
7684         (Output_section::is_large_data_section): New function.
7685         (class Output_segment): Add is_large_data_segment_ field.
7686         (Output_segment::is_large_data_segment): New function.
7687         (Output_segment::set_is_large_data_segment): New function.
7688         * output.cc (Output_section::Output_section): Initialize new
7689         fields.
7690         (Output_segment::Output_segment): Likewise.
7691         (Output_segment::add_output_section): Add assertion that large
7692         data sections always go in large data segments.  Force small data
7693         sections to the end of the list of data sections.  Force small BSS
7694         sections to the start of the list of BSS sections.  For large BSS
7695         sections to the end of the list of BSS sections.
7696         * symtab.h (class Symbol): Declare is_common_shndx.
7697         (Symbol::is_defined): Check Symbol::is_common_shndx.
7698         (Symbol::is_common): Likewise.
7699         (class Symbol_table): Define enum Commons_section_type.  Update
7700         declarations.  Add small_commons_ and large_commons_ fields.
7701         * symtab.cc (Symbol::is_common_shndx): New function.
7702         (Symbol_table::Symbol_table): Initialize new fields.
7703         (Symbol_table::add_from_object): Put small and large common
7704         symbols in the right list.
7705         (Symbol_table::sized_finalized_symbol): Check
7706         Symbol::is_common_shndx.
7707         (Symbol_table::sized_write_globals): Likewise.
7708         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7709         common symbol lists.  Don't call do_allocate_commons_list if the
7710         list is empty.
7711         (Symbol_table::do_allocate_commons_list): Remove is_tls
7712         parameter.  Add comons_section_type parameter.  Change all
7713         callers.  Handle small and large common symbols.
7714         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7715         Symbol::is_common_shndx.
7716         * resolve.cc (symbol_to_bits): Likewise.
7717         * target.h (Target::small_common_shndx): New function.
7718         (Target::small_common_section_flags): New function.
7719         (Target::large_common_shndx): New function.
7720         (Target::large_common_section_flags): New function.
7721         (Target::new_output_section): New function.
7722         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7723         small_common_section_flags, and large_common_section_flags
7724         fields.
7725         (Target::do_new_output_section): New virtual function.
7726         * arm.cc (Target_arm::arm_info): Initialize new fields.
7727         * i386.cc (Target_i386::i386_info): Likewise.
7728         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7729         Likewise.
7730         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7731         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7732         (Target_x86_64::do_new_output_section): New function.
7733         * configure.ac: Define conditional MCMODEL_MEDIUM.
7734         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7735         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7736         (large_LDFLAGS): Define.
7737         * testsuite/large.c: New file.
7738         * testsuite/testfile.cc (Target_test::test_target_info):
7739         Initialize new fields.
7740         * configure, testsuite/Makefile.in: Rebuild.
7741
7742 2009-06-05  Doug Kwan  <dougkwan@google.com>
7743
7744         * Makefile.am (CCFILES): Add target.cc.
7745         * Makefile.in: Regenerate.
7746         * i386.cc (class Target_i386): Define new virtual method to
7747         override do_is_local_label_name in parent.
7748         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7749         local symbols if --discard-locals or -X is given.
7750         * options.h (class General_options): Declare new options
7751         '--discard-locals' and '-X' for discarding locals.
7752         * target.h (class Target): Define new methods is_local_label_name.
7753         Declare new virtual method do_is_local_label_name.
7754         * target.cc: New file.
7755         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7756         (check_SCRIPTS): Add discard_locals_test.sh.
7757         (check_DATA): Add discard_local_tests.syms.
7758         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7759         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7760         * testsuite/Makefile.in: Regenerate.
7761         * testsuite/discard_locals_test.c: New file.
7762         * testsuite/discard_locals_test.sh: Same.
7763
7764 2009-06-05  Doug Kwan  <dougkwan@google.com>
7765
7766         * object.cc (Sized_relobj::Sized_relobj): Initialize
7767         discarded_eh_frame_shndx_ to -1U.
7768         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7769         section.
7770         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7771         a discarded .eh_frame section.
7772         (Sized_relobj::do_finalize_local_symbols): Ditto.
7773         * object.h (class Sized_relobj): Declare new member
7774         discarded_eh_frame_shndx_.
7775         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7776         (local_labels_test.o, local_labels_test): New rules.
7777         * testsuite/Makefile.in: Regenerate.
7778
7779 2009-06-04  Doug Kwan  <dougkwan@google.com>
7780
7781         * layout.cc (Layout::section_name_mapping): Add mapping for
7782         special ARM sections.
7783
7784 2009-06-03  Doug Kwan  <dougkwan@google.com>
7785
7786         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7787         (utils::has_overflow): Same.
7788
7789 2009-06-03  Ian Lance Taylor  <iant@google.com>
7790
7791         * layout.cc (Layout::section_name_mapping): New array, replacing
7792         Layout::linkonce_mapping.
7793         (Layout::section_name_mapping_count): New variable, replacing
7794         Layout::linkonce_mapping_count.
7795         (Layout::linkonce_output_name): Remove.
7796         (Layout::output_section_name): Rewrite.
7797         * layout.h (class Layout): Rename Linkonce_mapping to
7798         Section_name_mapping, linkonce_mapping to section_name_mapping,
7799         linkonce_mapping_count to section_name_mapping_count.  Don't
7800         declare linkonce_output_name.
7801
7802 2009-06-03  Doug Kwan  <dougkwan@google.com>
7803
7804         * gold/arm.cc (namespace utils): New.
7805         (Target_arm::reloc_is_non_pic): Define new method.
7806         (class Arm_relocate_functions): New.
7807         (Target_arm::Relocate::relocate): Handle relocation types used by
7808         Android.
7809
7810 2009-06-03  Ian Lance Taylor  <iant@google.com>
7811
7812         * arm.cc (Target_arm::scan::global): Use || instead of |.
7813
7814 2009-06-02  Doug Kwan  <dougkwan@google.com>
7815
7816         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7817         issued_non_pic_error_.
7818         (class Target_arm::Scan): Declare new method check_non_pic.
7819         Define new method symbol_needs_plt_entry.
7820         Declare new data member issued_non_pic_error_.
7821         (class Target_arm::Relocate): Declare new method
7822         should_apply_static_reloc.
7823         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7824         (Target_arm::Scan::check_non_pic): Define new method.
7825         (Target_arm::Scan::local): Handle a small subset of reloc types used
7826         by Android.
7827         (Target_arm::Scan::local): Same.
7828         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7829
7830 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7831
7832         * incremental.cc (Incremental_inputs::report_command_line): Filter
7833         out --incremental-* options.
7834
7835 2009-05-29  Doug Kwan  <dougkwan@google.com>
7836
7837         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7838         template class.
7839         (class Target_arm): Update comment.
7840         (Target_arm::Target_arm): Initialize new data members GOT_,
7841         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7842         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7843         and Target_arm::rel_dyn_section.
7844         Declare new_enum Target_arm::Got_type.
7845         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7846         and DYNBSS_.
7847         Update commments for member do_dynsym_value.
7848         (Target_arm::got_size, Target_arm::plt_section,
7849         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7850         new methods inside class defintion.
7851         (Target_arm::got_section): Define new method.
7852         (Target_arm::rel_dyn_section): Same.
7853         (Output_data_plt_arm): New template class.
7854         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7855         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7856         (Output_data_plt_arm::add_entry): Same.
7857         (Output_data_plt_arm::first_plt_entry): Define new
7858         static data member for PLT instruction template.
7859         (Output_data_plt_arm::plt_entry): Same.
7860         (Output_data_plt_arm::do_write): Define new method.
7861         (Target_arm::make_plt_entry): Same.
7862         (Target_arm::do_finalize_sections): Same.
7863         (Target_arm::do_dynsym_value): Same.
7864
7865 2009-05-28  Doug Kwan  <dougkwan@google.com>
7866
7867         * Makefile.am (TARGETSOURCES): Add arm.cc.
7868         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7869         * Makefile.in: Regenerate.
7870         * arm.cc: New file.
7871         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7872
7873 2009-05-26  Doug Kwan  <dougkwan@google.com>
7874
7875         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7876         (General_options::check_excluded_libs): Strip off directories in
7877         archive name before matching like GNU ld does.
7878         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7879         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7880         (exclude_libs_test_LDFLAGS): Add linker option
7881         -Wl,--exclude-libs,libexclude_libs_test_3
7882         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7883         an explicit archive without using -l.
7884         (alt/libexclude_libs_test_3.a): New make rule.
7885         * testsuite/Makefile.in: Regenerate.
7886         * testsuite/exclude_libs_test.c : Declare lib3_default().
7887         (main): Call it.
7888         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7889         * exclude_libs_test_3.c: New file.
7890
7891 2009-05-26  Nick Clifton  <nickc@redhat.com>
7892
7893         * po/id.po: New Indonesian translation.
7894         * po/gold.pot: Updated template file.
7895
7896 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7897
7898         * testsuite/Makefile.am: Add -ffunction-sections to compile
7899         gc_comdat_test files.  Add -Wl,--gc-sections to build
7900         gc_comdat_test.
7901         * testsuite/Makefile.in: Regenerate.
7902         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7903
7904 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7905
7906         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7907         kept comdat section was garbage collected.
7908         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7909         * testsuite/Makefile.in: Regenerate.
7910         * testsuite/gc_comdat_test.sh: New file.
7911         * testsuite/gc_comdat_test_1.cc: New file.
7912         * testsuite/gc_comdat_test_2.cc: New file.
7913
7914 2009-05-19  Doug Kwan  <dougkwan@google.com>
7915
7916         * archive.cc (Archive::Archive): Move constructor from archive.h
7917         to here.  Initialize no_export_.
7918         (Archive::get_elf_object_for_member): Set no_export flag of object.
7919         * archive.h (Archive::Archive): Move constructor body to
7920         archive.cc.
7921         (Archive::no_export): New method.
7922         (Archive::no_export_): New field.
7923         * object.h (Object::Object): Initialize no_export_ to false.
7924         (Object::no_export, Object::set_no_export): New methods.
7925         (Object::no_export_): New field.
7926         * options.cc (General_options::parse_exclude_libs): New method.
7927         (General_options::check_excluded_libs) Same.
7928         * options.h (exclude_libs): New option.
7929         (General_options::check_excluded_libs): New method declaration.
7930         (General_options::excluded_libs_): New field.
7931         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7932         default or protected visibility if an object has no-export flag set.
7933         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7934         (check_SCRIPTS): Add exclude_libs_test.sh.
7935         (check_DATA): Add exclude_libs_test.syms.
7936         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7937         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7938         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7939         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7940         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7941         libexclude_libs_test_2.a): New rules.
7942         * testsuite/Makefile.in: Regenerate.
7943         * testsuite/exclude_libs_test.c: New file.
7944         * testsuite/exclude_libs_test.sh: Ditto.
7945         * testsuite/exclude_libs_test_1.c: Ditto.
7946         * testsuite/exclude_libs_test_2.c: Ditto.
7947
7948 2009-05-15  Ian Lance Taylor  <iant@google.com>
7949
7950         * configure.ac: Check for declarations for cases where libiberty.h
7951         checks HAVE_DECL_xxx.
7952         * configure, config.in: Rebuild.
7953
7954 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7955
7956         * gold.h (Incremental_argument_list): Remove (invalid) forward
7957         declaration.
7958         * incremental.cc (Incremental_inputs::report_achive): New method.
7959         (Incremental_inputs::report_object): New method.
7960         (Incremental_inputs::report_script): New method.
7961         (Incremental_inputs::finalize_inputs): New method.
7962         (Incremental_inputs::finalize): Call finalize_inputs().
7963         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7964         Create inputs entries.
7965         * incremental.h (Incremental_input_type): New enum.
7966         (Incremental_inputs::Incremental_input): Initialize new fields.
7967         (Incremental_inputs::report_inputs): New method.
7968         (Incremental_inputs::report_achive): New method.
7969         (Incremental_inputs::report_object): New method.
7970         (Incremental_inputs::report_script): New method.
7971         (Incremental_inputs::finalize_inputs): New method.
7972         (Incremental_inputs::Input_info): New struct.
7973         (Incremental_inputs::Input_info_map): New typedef.
7974         (Incremental_inputs::lock_): New field.
7975         (Incremental_inputs::Inputs_): New field.
7976         (Incremental_inputs::Inputs_map): New field.
7977         * main.cc (main): Call Incremental_input::report_inputs.
7978         * options.h (Input_argument_list): Typedef moved from
7979         Input_arguments.
7980         (Input_file_group::Files): Remove, use ::Input_argument_list.
7981         (Input_file_group::Input_argument_list): Remove, use
7982         ::Input_argument_list.
7983         * plugin.cc (Plugin_manager::add_input_file): Add error in
7984         incremental build.
7985         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7986         functions.
7987         * script.cc (read_input_script): Call
7988         Incremental_input::report_script.
7989         * script.h (Script_info): New class.
7990
7991 2009-04-27  Ian Lance Taylor  <iant@google.com>
7992
7993         * x86_64.cc (do_adjust_output_section): Set entsize to
7994         plt_entry_size.
7995
7996 2009-04-23  Elliott Hughes  <enh@google.com>
7997
7998         * output.cc (Output_file::close): After short writes, continue
7999         writing from the correct offset in the buffer being written.
8000
8001 2009-04-23  Chris Demetriou  <cgd@google.com>
8002
8003         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8004         * configure: Regenerate.
8005         * config.in: Regenerate.
8006         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8007         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8008
8009 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8010
8011         * incremental.cc (Incremental_inputs_header_data): Renamed from
8012         Incremental_input_header_data.
8013         (Incremental_inputs_header_data::data_size): New field.
8014         (Incremental_inputs_header_data::put_input_file_count): Renamed
8015         from input_file_count.
8016         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8017         from command_line_offset.
8018         (Incremental_inputs_header_data::put_reserved): Renamed from
8019         put_reserved.
8020         (Incremental_inputs_entry_data): Renamed from
8021         Incremental_input_entry_data.
8022         (Incremental_inputs_entry_data::data_size): New field.
8023         (Incremental_inputs::report_command_line): New method.
8024         (Incremental_inputs::finalize): New method.
8025         (Incremental_inputs::create_incremental_inputs_data): New method.
8026         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8027         * incremental.h: New file.
8028         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8029        (Layout::finalize): Create incremental inputs section in
8030         incremental builds.
8031        (Layout::create_incremental_info_sections): New method.
8032         * layout.h (Layout::incremental_inputs): New method.
8033        (Layout::create_incremental_info_sections): New method.
8034        (Layout::incremental_inputs_): New field.
8035         * main.cc (main): Notify Incremental_input of the command line.
8036
8037 2009-04-01  Ian Lance Taylor  <iant@google.com>
8038             Mikolaj Zalewski  <mikolajz@google.com>
8039
8040         * gold.h (reserve_unordered_map): Define, three versions, one for
8041         each version of Unordered_map.
8042         * layout.cc (Layout::Layout): Remove options parameter.  Add
8043         number_of_input_files parameter.  Don't initialize options_.
8044         Initialize number_of_input_files_ and resized_signatures_.  Move
8045         sections_are_attached_.
8046         (Layout::layout_group): Reserve space for group_signatures_.
8047         (Layout::find_or_add_kept_section): Change name parameter to be a
8048         reference.  Resize signatures_ map when it gets large enough.
8049         (Layout::layout_eh_frame): Use parameters->options() instead of
8050         this->options_.
8051         (Layout::make_output_section): Likewise.
8052         (Layout::attach_allocated_section_to_segment): Likewise.
8053         (Layout::finalize, Layout::create_executable_stack): Likewise.
8054         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8055         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8056         * layout.h (class Layout): Update declarations.  Remove options_
8057         field.  Add number_of_input_files_ and resized_signatures_
8058         fields.  Move sections_are_attached_ field.
8059         * main.cc (main): Pass number of input files to Layout
8060         constructor.  Don't pass options.
8061
8062 2009-03-30  Ian Lance Taylor  <iant@google.com>
8063
8064         * ffsll.c (ffsll): Correct implementation.
8065
8066 2009-03-27  Ian Lance Taylor  <iant@google.com>
8067
8068         * ffsll.c: New file.
8069         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8070         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8071         * ftruncate.c (ftruncate): Declare before definition.
8072         * mremap.c (mremap): Likewise.
8073         * pread.c (pread): Likewise.
8074         * configure, Makefile.in, config.in: Rebuild.
8075
8076         * mremap.c: New file.
8077         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8078         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8079         (mremap): Declare if HAVE_MREMAP is not defined.
8080         * configure, Makefile.in, config.in: Rebuild.
8081
8082 2009-03-27  Cary Coutant  <ccoutant@google.com>
8083
8084         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8085         position independent.
8086         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8087         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8088
8089 2009-03-24  Cary Coutant  <ccoutant@google.com>
8090
8091         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8092         an executable.
8093         (needs_dynamic_reloc): Likewise.
8094
8095 2009-03-24  Ian Lance Taylor  <iant@google.com>
8096
8097         * yyscript.y (file_cmd): Recognize EXTERN.
8098         (extern_name_list, extern_name_list_body): New nonterminals.
8099         * script.cc (script_add_extern): Define.
8100         * script-c.h (script_add_extern): Declare.
8101
8102 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8103
8104         * object.cc (is_elf_object): Define.
8105         * object.h (is_elf_object): Declare.
8106         * archive.cc (Archive::get_elf_object_for_member): Call
8107         is_elf_object.
8108         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8109
8110 2009-03-24  Elliott Hughes  <enh@google.com>
8111
8112         * output.cc (Output_file::map_anonymous): Define.
8113         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8114         try an anonymous one.  Report the size if the mmap fails.
8115         * output.h (class Output_file): Declare map_anonymous.
8116
8117 2009-03-24  Ian Lance Taylor  <iant@google.com>
8118
8119         * target-select.cc (instantiate_target): Don't acquire the lock if
8120         the instantiated_target_ field has already been set.
8121
8122 2009-03-23  Ian Lance Taylor  <iant@google.com>
8123
8124         * gold-threads.h (class Initialize_lock): Define.
8125         * gold-threads.cc (class Initialize_lock_once): Define.
8126         (initialize_lock_control): New static variable.
8127         (initialize_lock_pointer): New static variable.
8128         (initialize_lock_once): New static function.
8129         (Initialize_lock::Initialize_lock): Define.
8130         (Initialize_lock::initialize): Define.
8131         * target-select.h: Include "gold-threads.h".
8132         (class Target_selector): Add lock_ and initialize_lock_ fields.
8133         Don't define instantiate_target, just declare it.
8134         * target-select.cc (Target_selector::Target_selector): Initialize
8135         new fields.
8136         (Target_selector::instantiate_target): Define.
8137         * descriptors.h: Include "gold-threads.h".
8138         (class Descriptors): Add initialize_lock_ field.
8139         * descriptors.cc (Descriptors::Descriptors): Initialize new
8140         field.
8141         (Descriptors::open): Use initialize_lock_ field
8142         * errors.h (class Errors): Add initialize_lock_ field.
8143         * errors.cc (Errors::Errors): Initialize new field.
8144         (Errors::initialize_lock): Use initialize_lock_ field.
8145         * powerpc.cc (class Target_selector_powerpc): Remove
8146         instantiated_target_ field.  In do_recognize call
8147         instantiate_target rather than do_instantiate_target.  In
8148         do_instantiate_target just allocate a new target.
8149         * sparc.cc (class Target_selector_sparc): Likewise.
8150
8151         * freebsd.h: New file.
8152         * i386.cc: Include "freebsd.h".
8153         (Target_i386): Derive from Target_freebsd rather than
8154         Sized_target.
8155         (Target_selector_i386): Derive from Target_selector_freebsd rather
8156         than Target_selector.
8157         * x86_64.cc: Include "freebsd.h".
8158         (Target_x86_64): Derive from Target_freebsd rather than
8159         Sized_target.
8160         (Target_selector_x86_64): Derive from Target_selector_freebsd
8161         rather than Target_selector.
8162         * target.h (class Target): Add adjust_elf_header and
8163         do_adjust_elf_header.
8164         * output.cc (Output_file_header:: do_sized_write): Call target
8165         adjust_elf_header routine.
8166         * configure.tgt: Set targ_osabi.
8167         * configure.ac: Define GOLD_DEFAULT_OSABI.
8168         * parameters.cc (Parameters::default_target): Pass
8169         GOLD_DEFAULT_OSABI to select_target.
8170         * target-select.h (class Target_selector): Make instantiate_target
8171         protected rather than private.
8172         * Makefile.am (HFILES): Add freebsd.h.
8173         * configure, Makefile.in, config.in: Rebuild.
8174
8175         * merge.cc (do_add_input_section): Correct pend value.  Change
8176         message about last entry not being null terminated from error to
8177         warning.
8178
8179 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8180
8181         * incremental.cc: New file.
8182         * Makefile.am (CCFILES): Add incremental.cc.
8183         * Makefile.in: Rebuild.
8184
8185 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8186
8187         * layout.cc (Layout::output_section_name): Preserve names
8188         of '.note.' sections.
8189
8190 2009-03-19  Ian Lance Taylor  <iant@google.com>
8191
8192         * descriptors.cc (Descriptors::open): Check that the options are
8193         valid before using them.
8194
8195 2009-03-18  Ian Lance Taylor  <iant@google.com>
8196
8197         * script-sections.h: Include <list>.
8198         (class Script_sections): Change Sections_elements from std::vector
8199         to std::list.  Typedef public Elements_iterator.  Add
8200         orphan_section_placement_, data_segment_align_start_, and
8201         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8202         field.
8203         * script-sections.cc (class Orphan_section_placement): New class.
8204         (class Sections_element): Add virtual functions is_relro and
8205         orphan_section_init.  Remove virtual function place_orphan_here.
8206         (class Output_section_definition): Add is_relro and
8207         orphan_section_init.  Remove place_orphan_here.
8208         (class Orphan_output_section): Likewise.
8209         (Script_sections::Script_sections): Update for field changes.
8210         (Script_sections::data_segment_align): Set saw_data_segment_align_
8211         and data_segment_align_start_, not data_segment_align_index.
8212         (Script_sections::data_segment_relro_end): Check
8213         saw_data_segment_align_.  Use data_segment_align_start_ rather
8214         than data_segment_align_index_.
8215         (Script_sections::place_orphan): Rewrite to use
8216         Orphan_section_placement.
8217
8218 2009-03-17  Ian Lance Taylor  <iant@google.com>
8219
8220         * archive.cc (Archive::add_symbols): Check for a version attached
8221         to the symbol name in the archive map.
8222         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8223         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8224         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8225         (ver_test_11.a): New target.
8226         * testsuite/Makefile.in: Rebuild.
8227
8228         * configure.ac: Check for chsize and posix_fallocate.  Replace
8229         ftruncate.
8230         * ftruncate.c: New file, from gnulib.
8231         * output.cc (posix_fallocate): Define dummy version if not
8232         HAVE_POSIX_FALLOCATE.
8233         (Output_file::map): Call posix_fallocate rather than lseek and
8234         write.
8235         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8236         * configure, Makefile.in, config.in: Rebuild.
8237
8238 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8239
8240         * layout.h (Layout::create_note): Add section_name parameter.
8241         * layout.cc (Layout::create_note): Likewise.
8242         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8243
8244 2009-03-17  Ian Lance Taylor  <iant@google.com>
8245
8246         * descriptors.cc: Include "options.h".
8247         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8248         (Descriptors::open): Always use O_CLOEXEC when opening a new
8249         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8250         then set FD_CLOEXEC.
8251
8252         * sparc.cc (class Target_sparc): Add has_got_section.
8253         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8254         make sure we have a GOT section.
8255
8256         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8257         (Target_sparc::Scan::local): Likewise.
8258         (Target_sparc::Scan::global): Likewise.
8259         (Target_sparc::Relocate::relocate): Likewise.
8260         (Target_sparc::Relocate::relocate_tls): Likewise.
8261
8262         * symtab.cc (Symbol_table::define_default_version): New function,
8263         broken out of add_from_object.
8264         (Symbol_table::add_from_object): Call define_default_version.
8265         (Symbol_table::define_special_symbol): Add resolve_oldsym
8266         parameter.  Change all callers.  If the version for a symbol comes
8267         from a version script, resolve it with the symbol with the same
8268         name with no version.  Also add the symbol without a version if
8269         appropriate.
8270         (do_define_in_output_data): If resolving with oldsym, don't delete
8271         sym.
8272         (do_define_in_output_segment): Likewise.
8273         (do_define_as_constant): Likewise.
8274         * symtab.h (class Symbol_table): Update declarations.
8275
8276 2009-03-13  Ian Lance Taylor  <iant@google.com>
8277
8278         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8279         (Read_symbols::requeue): New function.
8280         (Read_symbols::do_read_symbols): If make_elf_object fails because
8281         the target type is not configured, and the file was searched for,
8282         issue a warning and retry with the next directory.
8283         (Add_symbols::run): If the file has an incompatible format, and
8284         it was searched for, requeue the Read_symbols task.  On error,
8285         release the object.
8286         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8287         dirindex parameter to constructor.  Change all callers.  Declare
8288         incompatible_warning and requeue.
8289         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8290         input_argument_ and input_group_ fields.  Add them to
8291         constructor.  Change all callers.
8292         (class Read_script): Add dirindex_ field.  Add it to constructor.
8293         Change all callers.
8294         * archive.cc (Archive::setup): Remove input_objects parameter.
8295         Change all callers.
8296         (Archive::get_file_and_offset): Likewise.
8297         (Archive::read_all_symbols): Likewise.
8298         (Archive::read_symbols): Likewise.
8299         (Archive::get_elf_object_for_member): Remove input_objects
8300         parameter.  Add punconfigured parameter.  Change all callers.
8301         (Archive::add_symbols): Change return type to bool.  Check return
8302         value of include_member.
8303         (Archive::include_all_members): Likewise.
8304         (Archive::include_member): Change return type to bool.  Return
8305         false if first included object has incompatible target.  Set
8306         included_member_ field.
8307         (Add_archive_symbols::run): If add_symbols returns false, requeue
8308         Read_symbols task.
8309         * archive.h (class Archive): Add included_member_ field.
8310         Initialize it in constructor.  Add input_file and searched_for
8311         methods.  Update declarations.
8312         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8313         input_argument_ fields.  Add them to constructor.  Change all
8314         callers.
8315         * script.cc: Include "target-select.h".
8316         (class Parser_closure): Add skip_on_incompatible_target_ and
8317         found_incompatible_target_ fields.  Add
8318         skip_on_incompatible_target parameter to constructor.  Change all
8319         callers.  Add methods skip_on_incompatible_target,
8320         clear_skip_on_incompatible_target, found_incompatible_target, and
8321         set_found_incompatible_target.
8322         (read_input_script): Add dirindex parameter.  Change all callers.
8323         If parser finds an incompatible target, requeue Read_symbols
8324         task.
8325         (script_set_symbol): Clear skip_on_incompatible_target in
8326         closure.
8327         (script_add_assertion, script_parse_option): Likewise.
8328         (script_start_sections, script_add_phdr): Likewise.
8329         (script_check_output_format): New function.
8330         * script.h (read_input_script): Update declaration.
8331         * script-c.h (script_check_output_format): Declare.
8332         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8333         (ignore_cmd): Remove OUTPUT_FORMAT.
8334         * fileread.cc (Input_file::Input_file): Add explicit this.
8335         (Input_file::will_search_for): New function.
8336         (Input_file::open): Add pindex parameter.  Change all callers.
8337         * fileread.h (class Input_file): Add input_file_argument method.
8338         Declare will_search_for.  Update declarations.
8339         * object.cc (make_elf_object): Add punconfigured parameter.
8340         Change all callers.
8341         * object.h (class Object): Make input_file public.  Add
8342         searched_for method.
8343         (make_elf_object): Update declaration.
8344         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8345         restart search.
8346         * dirsearch.h (class Dirsearch): Update declaration.
8347         * options.h (class General_options): Add --warn-search-mismatch.
8348         * parameters.cc (Parameters::is_compatible_target): New function.
8349         * parameters.h (class Parameters): Declare is_compatible_target.
8350         * workqueue.cc (Workqueue::add_blocker): New function.
8351         * workqueue.h (class Workqueue): Declare add_blocker.
8352
8353         * fileread.cc (Input_file::open): Remove options parameter.
8354         Change all callers.
8355         (Input_file::open_binary): Likewise.
8356         * script.cc (read_input_script): Likewise.
8357         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8358         options parameter from constructor.  Change all callers.
8359         (class Read_script): Likewise.
8360         * fileread.h (class Input_file): Update declarations.
8361         * script.h (read_input_script): Update declaration.
8362
8363 2009-03-10  Nick Clifton  <nickc@redhat.com>
8364
8365         * po/es.po: New Spanish translation.
8366
8367 2009-03-06  Cary Coutant  <ccoutant@google.com>
8368
8369         * options.cc (parse_short_option): Keep dash_z from registering itself.
8370
8371 2009-03-03  Ian Lance Taylor  <iant@google.com>
8372
8373         PR 9918
8374         * target-reloc.h (relocate_section): Pass output_section to
8375         relocate.
8376         * i386.cc (Target_i386::should_apply_static_reloc): Add
8377         output_section parameter.  Change all callers.
8378         (Target_i386::Relocate::relocate): Add output_section parameter.
8379         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8380         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8381         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8382         * testsuite/two_file_shared.sh: New script.
8383         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8384         (check_DATA): Add two_file_shared.dbg.
8385         (two_file_shared.dbg): New target.
8386         * testsuite/Makefile.in: Rebuild.
8387
8388 2009-03-01  Ian Lance Taylor  <iant@google.com>
8389
8390         * configure.ac: Check for byteswap.h.
8391         * configure: Rebuild.
8392         * config.in: Rebuild.
8393
8394 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8395
8396         * layout.cc (Layout::find_or_add_kept_section): New function.
8397         (Layout::add_comdat): Removed.
8398         * layout.h (struct Kept_section): Move out of class Layout.
8399         Remove trailing underscores from field names.  Add group_sections
8400         field.  Rename group_ field to is_group.  Change all uses.
8401         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8402         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8403         comdat_groups_ field.
8404         (Sized_relobj::include_section_group): Use
8405         find_or_add_kept_section and Kept_section::group_sections.
8406         (Sized_relobj::include_linkonce_section): Likewise.
8407         * object.cc (class Sized_relobj): Don't define Comdat_group or
8408         Comdat_group_table.  Remove find_comdat_group and
8409         add_comdat_group.  Remove comdat_groups_ field.
8410         * plugin.cc (include_comdat_group): Use
8411         Layout::find_or_add_kept_section.
8412
8413 2009-02-28  Ian Lance Taylor  <iant@google.com>
8414
8415         * README: --gc-sections and map files are now supported.  Document
8416         some build requirements.
8417
8418         PR 6992
8419         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8420         relocatable link set the value of the section symbol to zero.
8421         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8422         relocatable link don't include the section address in the local
8423         symbol value.
8424
8425 2009-02-27  Ian Lance Taylor  <iant@google.com>
8426
8427         PR 6811
8428         * options.h (class Search_directory): Add is_system_directory.
8429         (class General_options): Declare is_in_system_directory.
8430         * options.cc (get_relative_sysroot): Make static.
8431         (get_default_sysroot): Make static.
8432         (General_optoins::is_in_system_directory): New function.
8433         * fileread.cc (Input_file::is_in_system_directory): New function.
8434         * fileread.h (class Input_file): Declare is_in_system_directory.
8435         * object.h (class Object): Add is_in_system_directory.
8436         (class Input_objects): Remove system_library_directory_ field.
8437         * object.cc (Input_objects::add_object): Don't set
8438         system_library_directory_.
8439         (input_objects::found_in_system_library_directory): Remove.
8440         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8441         parameter.  Change all callers.
8442         (Symbol_table::sized_write_globals): Likewise.
8443         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8444         Call Object::is_in_system_directory.
8445         * symtab.h (class Symbol_table): Update declarations.
8446
8447         PR 5990
8448         * descriptors.h (Open_descriptor): Add is_on_stack field.
8449         * descriptors.cc (Descriptors::open): If the descriptor is on the
8450         top of the stack, remove it.  Initialize is_on_stack field.
8451         (Descriptors::release): Only add pod to stack if it is not on the
8452         stack already.
8453         (Descriptors::close_some_descriptor): Clear stack_next and
8454         is_on_stack fields.
8455
8456         PR 7091
8457         * output.cc (Output_section::find_starting_output_address): Rename
8458         from starting_output_address; add PADDR parameter; change return
8459         type.
8460         * output.h (class Output_section): Declare
8461         find_starting_output_address instead of starting_output_address.
8462         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8463         section symbol for which we can't find a merge section.
8464
8465         PR 9836
8466         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8467         hidden or internal, force the symbol to be local.
8468         * resolve.cc (Symbol::override_visibility): Define.
8469         (Symbol::override_base): Use override_visibility.
8470         (Symbol_table::resolve): Likewise.
8471         (Symbol::override_base_with_special): Likewise.
8472         (Symbol_table::override_with_special): If the visibility is hidden
8473         or internal, force the symbol to be local.
8474         * symtab.h (class Symbol): Add set_visibility and
8475         override_visibility.
8476         * testsuite/ver_test_1.sh: New file.
8477         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8478         (check_DATA): Add ver_test_1.syms.
8479         (ver_test_1.syms): New target.
8480         * testsuite/Makefile.in: Rebuild.
8481
8482 2009-02-25  Cary Coutant  <ccoutant@google.com>
8483
8484         * layout.cc (Layout::choose_output_section): Don't rename sections
8485         when using a linker script that has a SECTIONS clause.
8486         * Makefile.in: Regenerate.
8487
8488         * testsuite/Makefile.am (script_test_5.sh): New test case.
8489         * testsuite/Makefile.in: Regenerate.
8490         * testsuite/script_test_5.cc: New file.
8491         * testsuite/script_test_5.sh: New file.
8492         * testsuite/script_test_5.t: New file.
8493
8494 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8495
8496         * archive.cc (Archive::include_member): Update calls to add_symbols.
8497         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8498         the Layout argument.
8499         * dynobj.h (do_add_symbols): Add the Layout argument.
8500         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8501         Layout argument.
8502         * object.h (Object::add_symbols): Add the Layout argument.
8503         (Object::do_add_symbols): Add the Layout argument.
8504         (Sized_relobj::do_add_symbols): Add the Layout argument.
8505         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8506         Unify the two versions.
8507         (Add_plugin_symbols): Remove.
8508         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8509         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8510         (Add_plugin_symbols): Remove.
8511         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8512         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8513         (Add_symbols::run): Make it work with Pulginobj.
8514
8515 2009-02-06  Ian Lance Taylor  <iant@google.com>
8516
8517         * object.cc (Sized_relobj::do_layout): Make info message start
8518         with lower case letter.
8519
8520 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8521
8522         * binary.cc: Fix file comment.
8523
8524         * options.h (enum Incremental_disposition): Define.
8525         (class General_options): Add new options: --incremental,
8526         --incremental_changed, --incremental_unchanged,
8527         --incremental_unknown.  Add incremental_disposition_ and
8528         implicit_incremental_ fields.
8529         (General_options::incremental_disposition): New function.
8530         (class Position_dependent_options): Add incremental_disposition
8531         option.
8532         (Position_dependent_options::copy_from_options): Set incremental
8533         dispositions.
8534         * options.cc (General_options::parse_incremental_changed): New
8535         function.
8536         (General_options::parse_incremental_unchanged): New function.
8537         (General_options::parse_incremental_unknown): New function.
8538         (General_options::General_options): Initialize new fields
8539         incremental_disposition_ and implicit_incremental_.
8540         (General_options::finalize): Check for uasge of --incremental-*
8541         without --incremental.
8542
8543 2009-02-06  Chris Demetriou  <cgd@google.com>
8544
8545         * gold.h (gold_undefined_symbol): Change to take only a Symbol
8546         pointer and to report location as the file name associated with
8547         the symbol.
8548         (gold_undefined_symbol_at_location): New function to replace the
8549         old gold_undefined_symbol functionality.
8550         * target-reloc.h (relocate_section): Update to use
8551         gold_undefined_symbol_at_location.
8552         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8553         Call gold_undefined_symbol function rather than gold_error.
8554         * errors.h (Errors::undefined_symbol): Take location as a
8555         string, rather than calculating it from a relocation.
8556         * errors.cc (Errors::fatal): Print "fatal error:" before the
8557         formatted message.
8558         (Errors::error, Errors::error_at_location): Print "error: "
8559         before the formatted message.
8560         (Errors::undefined_symbol): Take location as a string, rather
8561         than calculating it from a relocation.
8562         (gold_undefined_symbol_at_location): New function akin to
8563         old gold_undefined_symbol, calculates location from relocation.
8564         (gold_undefined_symbol): Change to take only a Symbol pointer
8565         and to report location as the file name associated with the symbol.
8566         * testsuite/debug_msg.sh: Update for changed error messages.
8567         * testsuite/undef_symbol.sh: Likewise.
8568
8569 2009-02-04  Duncan Sands  <baldrick@free.fr>
8570
8571         PR 9812
8572         * reduced_debug_output.h
8573         (Output_reduced_debug_abbrev_section::failed): Use format for
8574         gold_warning.
8575         (Output_reduced_debug_info_section::faild): Likewise.
8576
8577 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
8578
8579         * script.cc (Lazy_demangler): New class.
8580         (Version_script_info::get_symbol_version_helper): Demangle a
8581         symbol only once.
8582
8583 2009-01-29  Cary Coutant  <ccoutant@google.com>
8584
8585         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
8586         to __tls_get_addr.
8587         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8588
8589 2009-01-28  Ian Lance Taylor  <iant@google.com>
8590
8591         * version.cc (version_string): Bump to 1.9.
8592
8593         * gold.h: Include <cstring> and <stdint.h>.
8594         * version.cc: Include <cstdio>.
8595         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
8596         warning.
8597         * reduced_debug_output.cc (insert_into_vector): Rename from
8598         Insert_into_vector; change all callers.  Use Swap_unaligned to
8599         avoid aliasing issue; remove union since it is unnecessary.
8600
8601 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
8602
8603         * Makefile.am (CCFILES): Add gc.cc.
8604         (HFILES): Add gc.h.
8605         * Makefile.in: Regenerate.
8606         * gold.cc (Gc_runner): New class.
8607         (queue_initial_tasks): Call garbage collection related tasks
8608         when corresponding options are invoked.
8609         (queue_middle_gc_tasks): New function.
8610         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
8611         processed early before laying out sections during garbage collection.
8612         * gold.h (queue_middle_gc_tasks): New function.
8613         (is_prefix_of): Move from "layout.cc".
8614         * i386.cc (Target_i386::gc_process_relocs): New function.
8615         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
8616         * main.cc (main): Create object of class "Garbage_collection".
8617         * object.cc (Relobj::copy_symbols_data): New function.
8618         (Relobj::is_section_name_included): New function.
8619         (Sized_relobj::do_layout): Allow this function to be called twice
8620         during garbage collection and defer layout of section during the
8621         first call.
8622         * object.h (Relobj::get_symbols_data): New function.
8623         (Relobj::is_section_name_included): New function.
8624         (Relobj::copy_symbols_data): New function.
8625         (Relobj::set_symbols_data): New function.
8626         (Relobj::get_relocs_data): New function.
8627         (Relobj::set_relocs_data): New function.
8628         (Relobj::is_output_section_offset_invalid): New pure virtual function.
8629         (Relobj::gc_process_relocs): New function.
8630         (Relobj::do_gc_process_relocs): New pure virtual function.
8631         (Relobj::sd_): New data member.
8632         (Sized_relobj::is_output_section_offset_invalid): New function.
8633         (Sized_relobj::do_gc_process_relocs): New function.
8634         * options.h (General_options::gc_sections): Modify to not be a no-op.
8635         (General_options::print_gc_sections): New option.
8636         * plugin.cc (Plugin_finish::run): Remove function call to
8637         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
8638         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
8639         * reloc.cc (Read_relocs::run): Add task to process relocs and
8640         determine unreferenced sections when doing garbage collection.
8641         (Gc_process_relocs): New class.
8642         (Sized_relobj::do_gc_process_relocs): New function.
8643         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
8644         sections that are garbage collected.
8645         * reloc.h (Gc_process_relocs): New class.
8646         * sparc.cc (Target_sparc::gc_process_relocs): New function.
8647         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
8648         symbols whose corresponding sections are garbage collected.
8649         (Symbol_table::Symbol_table): Add new parameter for the garbage
8650         collection object.
8651         (Symbol_table::gc_mark_undef_symbols): New function.
8652         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8653         (Symbol_table::gc_mark_dyn_syms): New function.
8654         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
8655         as garbage.
8656         (Symbol_table::add_from_object): Likewise.
8657         (Symbol_table::add_from_relobj): When building shared objects, do not
8658         treat externally visible symbols as garbage.
8659         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
8660         table information for static and relocatable links.
8661         * symtab.h (Symbol_table::set_gc): New function.
8662         (Symbol_table::gc): New function.
8663         (Symbol_table::gc_mark_undef_symbols): New function.
8664         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8665         (Symbol_table::gc_mark_dyn_syms): New function.
8666         (Symbol_table::gc_): New data member.
8667         * target.h (Sized_target::gc_process_relocs): New pure virtual
8668         function.
8669         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
8670         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
8671
8672 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
8673
8674         * options.h (General_options::gc_sections): Define as a no-op for now.
8675         (General_options::no_keep_memory): Ditto.
8676         (General_options::Bshareable): Define.
8677         * options.cc (General_options::finalize): Honor -Bshareable.
8678
8679 2009-01-20  Andreas Schwab  <schwab@suse.de>
8680
8681         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
8682         read the value in the contents, since we don't use it.  Use the
8683         template endianness when writing.
8684         (Relocate::relocate): Use it for R_PPC_REL16_HA.
8685
8686 2009-01-19  Andreas Schwab  <schwab@suse.de>
8687
8688         * configure.tgt (powerpc64-*): Fix targ_obj.
8689
8690 2009-01-15  Ian Lance Taylor  <iant@google.com>
8691
8692         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8693         local symbols when stripping all symbols.
8694
8695 2009-01-14  Cary Coutant  <ccoutant@google.com>
8696
8697         * output.cc (Output_reloc): Add explicit instantiations.
8698
8699 2009-01-14  Cary Coutant  <ccoutant@google.com>
8700
8701         * archive.cc (Archive::get_elf_object_for_member): Remove call
8702         to File_read::claim_for_plugin.
8703         * descriptors.cc (Descriptors::open): Remove reference to
8704         is_claimed.
8705         (Descriptors::claim_for_plugin): Remove.
8706         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8707         (Descriptors::is_claimed): Remove.
8708         (claim_descriptor_for_plugin): Remove.
8709         * fileread.cc (File_read::claim_for_plugin): Remove.
8710         * fileread.h (File_read::claim_for_plugin): Remove.
8711         (File_read::descriptor): Reopen descriptor if necessary.
8712         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8713         (Plugin_manager::all_symbols_read): Add task parameter. Change
8714         all callers.
8715         (Plugin_manager::get_input_file): New function.
8716         (Plugin_manager::release_input_file): New function.
8717         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8718         corresponding data member.
8719         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8720         and pass to base constructor. Change all callers.
8721         (get_input_file, release_input_file): New functions.
8722         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8723         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8724         (Plugin_manager::all_symbols_read): Add task parameter.
8725         (Plugin_manager::get_input_file): New function.
8726         (Plugin_manager::release_input_file): New function.
8727         (Plugin_manager::task_): New data member.
8728         (Pluginobj::Pluginobj): Add filesize parameter.
8729         (Pluginobj::filename): New function.
8730         (Pluginobj::descriptor): New function.
8731         (Pluginobj::filesize): New function.
8732         (Pluginobj::filesize_): New data member.
8733         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8734         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8735         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8736
8737         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8738         with archive libraries.
8739         * testsuite/Makefile.in: Regenerate.
8740         * testsuite/plugin_test.c (struct sym_info): New type.
8741         (get_input_file, release_input_file): New static variables.
8742         (onload): Capture new transfer vector entries.
8743         (claim_file_hook): Stop reading at end of file according to filesize.
8744         Factor out parsing of readelf output into separate function.
8745         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8746         APIs and get the source file name from the symbol table.  Convert
8747         source file name to corresponding object file name.  Print info
8748         message when adding new input files.
8749         (parse_readelf_line): New function.
8750         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8751         * testsuite/plugin_test_2.sh: Likewise.
8752         * testsuite/plugin_test_3.sh: Likewise.
8753         * testsuite/plugin_test_4.sh: New test case.
8754
8755 2009-01-07  Ian Lance Taylor  <iant@google.com>
8756
8757         * version.cc (version_string): Bump to 1.8.
8758
8759 2008-12-23  Cary Coutant  <ccoutant@google.com>
8760
8761         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8762         * plugin.cc (Plugin_manager::finish): Rename as
8763         layout_deferred_objects.  Move cleanup to separate function.
8764         (Plugin_manager::cleanup): New function.
8765         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8766         separately.
8767         * plugin.h (Plugin_manager::finish): Rename as
8768         layout_deferred_objects.
8769         (Plugin_manager::cleanup): New function.
8770         (Plugin_manager::cleanup_done): New field.
8771
8772 2008-12-23  Cary Coutant  <ccoutant@google.com>
8773
8774         * plugin.cc (is_visible_from_outside): New function.
8775         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8776         so we don't return "IR only" status for exported symbols or -r links.
8777
8778         * testsuite/Makefile.am (plugin_test_3): New test case.
8779         * testsuite/Makefile.in: Regenerate.
8780         * testsuite/plugin_test_3.sh: New file.
8781
8782 2008-12-22  Cary Coutant  <ccoutant@google.com>
8783
8784         * object.cc (Sized_relobj::layout_section): New function.
8785         (Sized_relobj::do_layout): Defer layout of input sections until after
8786         plugin has provided replacement files.
8787         (Sized_relobj::do_layout_deferred_sections): New function.
8788         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8789         (Relobj::layout_deferred_sections): New function.
8790         (Relobj::do_layout_deferred_sections): New function.
8791         (Sized_relobj::do_layout_deferred_sections): New function.
8792         (Sized_relobj::layout_section): New function.
8793         (Sized_relobj::Deferred_layout): New structure.
8794         (Sized_relobj::deferred_layout_): New field.
8795         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8796         Change all callers.  Layout deferred sections.
8797         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8798         references.
8799         (Plugin_hook::run): Move code from do_plugin_hook inline.
8800         (Plugin_hook::do_plugin_hook): Remove.
8801         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8802         (Plugin_manager::finish): Renamed, was cleanup.
8803         (Plugin_manager::should_defer_layout): New function.
8804         (Plugin_manager::add_deferred_layout_object): New function.
8805         (Plugin_manager::Deferred_layout_list): New type.
8806         (Plugin_manager::deferred_layout_objects_): New field.
8807         (Plugin_hook::do_plugin_hook): Remove.
8808
8809 2008-12-17  Ian Lance Taylor  <iant@google.com>
8810
8811         * options.h (class General_options): Add --no case for
8812         --export-dynamic.
8813
8814 2008-12-16  Cary Coutant  <ccoutant@google.com>
8815
8816         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8817         vector.
8818         (Plugin_manager::claim_file): Create plugin object even if
8819         plugin did not call the add_symbols callback.
8820         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8821         asking for more symbols than were added.
8822         * testsuite/Makefile.am (plugin_test_1): Add test case with
8823         no global symbols.
8824         (empty.syms): New target.
8825         * testsuite/Makefile.in: Regenerate.
8826         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8827         message. Don't call add_symbols if no globals.
8828         (all_symbols_read_hook): Don't provide replacement for empty
8829         claimed file.
8830
8831 2008-12-12  Ian Lance Taylor  <iant@google.com>
8832
8833         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8834         r_type == 0 for a local symbol with r_sym == 0.
8835         (scan_relocatable_relocs): Pass r_sym to
8836         local_non_section_strategy.
8837         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8838         r_sym parameter.
8839
8840         * configure.ac: Update test for TLS descriptors: they are
8841         supported as of glibc 2.9.
8842         * configure: Rebuild.
8843
8844 2008-12-11  Ian Lance Taylor  <iant@google.com>
8845
8846         PR 7091
8847         * target-reloc.h (Default_scan_relocatable_relocs): For each
8848         function, map r_type == 0 to RELOC_DISCARD.
8849
8850 2008-12-10  Cary Coutant  <ccoutant@google.com>
8851
8852         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8853         object to override a kept COMDAT group from a plugin object.
8854
8855 2008-12-09  Ian Lance Taylor  <iant@google.com>
8856
8857         PR 7088
8858         * yyscript.y (file_cmd): Handle INPUT.
8859
8860         * testsuite/initpri1.c: Change all declarations to be full
8861         prototypes by adding void, to avoid compiler warnings.
8862
8863 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8864
8865         * options.cc (General_options::parse_plugin_opt): New.
8866         (General_options::add_plugin): The argument now is just the filename.
8867         (General_options::add_plugin_option): New.
8868         * options.h (plugin_opt): New.
8869         (add_plugin): Change argument name.
8870         (add_plugin_option): New.
8871         * plugin.cc (Plugin::load): Don't parse the plugin option.
8872         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8873         (Plugin::add_option): New.
8874         (Plugin::args_): Change type.
8875         (Plugin::filename_): New.
8876         (Plugin_manager::add_plugin_option): New.
8877         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8878         * testsuite/Makefile.in: Regenerate.
8879
8880 2008-12-05  Cary Coutant  <ccoutant@google.com>
8881
8882         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8883         Handle --strip-lto-sections option.
8884         * options.h (strip_lto_sections): New option.
8885
8886 2008-12-01  Cary Coutant  <ccoutant@google.com>
8887
8888         * plugin.cc (ld_plugin_message): Change format parameter to const.
8889         Fix mismatch between new[] and delete.
8890
8891 2008-11-14  Cary Coutant  <ccoutant@google.com>
8892
8893         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8894         instead of -1U.
8895
8896 2008-11-05  Craig Silverstein  <csilvers@google.com>
8897
8898         * options.cc (General_options::parse_dynamic_list): New function.
8899         * options.h (General_options): New flags dynamic_list,
8900         dynamic_list_data, dynamic_list_cpp_new, and
8901         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8902         (General_options::in_dynamic_list): New function.
8903         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8904         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8905         (Lex::can_continue_name): Likewise.
8906         (yylex): Likewise.
8907         (read_script_file): New parameter script_options.
8908         (read_dynamic_list): New function.
8909         (Script_options::define_dynamic_list): New function.
8910         (dynamic_list_keyword_parsecodes): New variable.
8911         (dynamic_list_keywords): New variable.
8912         * script.h (Script_options::define_dynamic_list): New function
8913         prototype.
8914         (read_dynamic_list): New function prototype.
8915         * symtab.cc (strprefix): New macro.
8916         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8917         dynamic_list_data, dynamic_list_cpp_new, and
8918         dynamic_list_cpp_typeinfo.
8919         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8920         (dynamic_list_expr): New rule.
8921         (dynamic_list_nodes): Likewise.
8922         (dynamic_list_node): Likewise.
8923         * testsuite/Makefile.am (dynamic_list): New test.
8924         * testsuite/Makefile.in: Regenerated.
8925         * testsuite/dynamic_list.t: New file.
8926         * testsuite/dynamic_list.sh: New file.
8927
8928 2008-11-05  Craig Silverstein  <csilvers@google.com>
8929
8930         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8931         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8932         (t11_last): Likewise.
8933         * testsuite/ver_test_6.c (main): Likewise.
8934
8935 2008-10-07  Cary Coutant  <ccoutant@google.com>
8936
8937         * options.c (General_options::finalize): Add check for -static and
8938         -shared.
8939         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8940         is not empty.
8941
8942 2008-10-02  Cary Coutant  <ccoutant@google.com>
8943
8944         * plugin.cc (make_sized_plugin_object): Fix conditional
8945         compilation to work when not all targets are enabled.
8946
8947 2008-09-29  Cary Coutant  <ccoutant@google.com>
8948
8949         * archive.cc (Archive::get_file_and_offset): Use filename instead
8950         of name to get library path.
8951         (Archive::include_member): Unlock external member of a thin archive.
8952
8953         * testsuite/Makefile.am (TEST_AR): New variable.
8954         (thin_archive_test_1): New test.
8955         (thin_archive_test_2): New test.
8956         * testsuite/Makefile.in: Regenerate.
8957         * testsuite/thin_archive_main.cc: New file.
8958         * testsuite/thin_archive_test_1.cc: New file.
8959         * testsuite/thin_archive_test_2.cc: New file.
8960         * testsuite/thin_archive_test_3.cc: New file.
8961         * testsuite/thin_archive_test_4.cc: New file.
8962
8963 2008-09-29  Cary Coutant  <ccoutant@google.com>
8964
8965         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8966         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8967         instead of -1U.
8968         (Sized_relobj::do_finalize_local_symbols): Likewise.
8969         (Sized_relobj::map_to_kept_section): Likewise.
8970         * object.h (Sized_relobj::invalid_address): New constant.
8971         (Sized_relobj::do_output_section_offset): Check for invalid_address
8972         and return -1ULL.
8973         * output.cc (Output_reloc::local_section_offset): Use constant
8974         invalid_address instead of -1U.
8975         (Output_reloc::get_address): Likewise.
8976         (Output_section::output_address): Change -1U to -1ULL.
8977         * output.h (Output_reloc::invalid_address): New constant.
8978         * reloc.cc (Sized_relobj::write_sections): Use constant
8979         invalid_address instead of -1U.
8980         (Sized_relobj::relocate_sections): Likewise.
8981         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8982         values for merge sections.
8983         * target-reloc.h (relocate_for_relocatable): Use constant
8984         invalid_address instead of -1U.
8985
8986 2008-09-19  Cary Coutant  <ccoutant@google.com>
8987
8988         Add plugin functionality for link-time optimization (LTO).
8989         * configure.ac (plugins): Add --enable-plugins option.
8990         * configure: Regenerate.
8991         * config.in: Regenerate.
8992         * Makefile.am (LIBDL): New variable.
8993         (CCFILES): Add plugin.cc.
8994         (HFILES): Add plugin.h.
8995         (ldadd_var): Add LIBDL.
8996         * Makefile.in: Regenerate.
8997
8998         * archive.cc: Include "plugin.h".
8999         (Archive::setup): Don't preread archive symbols when using a plugin.
9000         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9001         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9002         files.
9003         (Archive::include_member): Add symbols from plugin objects.
9004         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9005         * descriptors.cc (Descriptors::open): Check for file descriptors
9006         abandoned by plugins.
9007         (Descriptors::claim_for_plugin): New function.
9008         * descriptors.h (Descriptors::claim_for_plugin): New function.
9009         (Open_descriptor::is_claimed): New field.
9010         (claim_descriptor_for_plugin): New function.
9011         * fileread.cc (File_read::claim_for_plugin): New function.
9012         * fileread.h (File_read::claim_for_plugin): New function.
9013         (File_read::descriptor): New function.
9014         * gold.cc: Include "plugin.h".
9015         (queue_initial_tasks): Add task to call plugin hooks for generating
9016         new object files.
9017         * main.cc: Include "plugin.h".
9018         (main): Load plugin libraries.
9019         * object.h (Pluginobj): Declare.
9020         (Object::pluginobj): New function.
9021         (Object::do_pluginobj): New function.
9022         (Object::set_target): New function.
9023         * options.cc: Include "plugin.h".
9024         (General_options::parse_plugin): New function.
9025         (General_options::General_options): Initialize plugins_ field.
9026         (General_options::add_plugin): New function.
9027         * options.h (Plugin_manager): Declare.
9028         (General_options): Add --plugin option.
9029         (General_options::has_plugins): New function.
9030         (General_options::plugins): New function.
9031         (General_options::add_plugin): New function.
9032         (General_options::plugins_): New field.
9033         * plugin.cc: New file.
9034         * plugin.h: New file.
9035         * readsyms.cc: Include "plugin.h".
9036         (Read_symbols::do_read_symbols): Check for archive before checking
9037         for ELF file.  Call plugin hooks to claim files.
9038         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9039         from a real object file; force override when processing replacement
9040         files.
9041         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9042         (Symbol::init_base_object): Likewise.
9043         (Symbol::init_base_output_data): Likewise.
9044         (Symbol::init_base_output_segment): Likewise.
9045         (Symbol::init_base_constant): Likewise.
9046         (Symbol::init_base_undefined): Likewise.
9047         (Symbol::output_section): Assert that object is not a plugin.
9048         (Symbol_table::add_from_pluginobj): New function.
9049         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9050         undefined.
9051         (Symbol_table::sized_write_globals): Likewise.
9052         (Symbol_table::add_from_pluginobj): Instantiate template.
9053         * symtab.h (Sized_pluginobj): Declare.
9054         (Symbol::in_real_elf): New function.
9055         (Symbol::set_in_real_elf): New function.
9056         (Symbol::in_real_elf_): New field.
9057         (Symbol_table::add_from_pluginobj): New function.
9058
9059         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9060         (LIBDL): New variable.
9061         (LDADD): Add LIBDL.
9062         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9063         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9064         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9065         (MOSTLYCLEANFILES): Likewise.
9066         * testsuite/Makefile.in: Regenerate.
9067         * testsuite/plugin_test.c: New file.
9068         * testsuite/plugin_test_1.sh: New file.
9069         * testsuite/plugin_test_2.sh: New file.
9070
9071 2008-09-16  Ian Lance Taylor  <iant@google.com>
9072
9073         * target-reloc.h (relocate_section): Check whether a symbol is
9074         defined by the ABI before reporting an undefined symbol error.
9075         * target.h (Target::is_defined_by_abi): Make parameter const.
9076         (Target::do_is_defined_by_abi): Likewise.
9077         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9078         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9079         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9080         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9081         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9082         * testsuite/Makefile.in: Rebuild.
9083
9084         * fileread.cc (make_view): Add casts to avoid warning.
9085
9086 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9087
9088         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9089         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9090
9091 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9092
9093         * options.h (General_options::output_is_executable): New.
9094         (General_options::output_is_pie): New.
9095         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9096         for shared libraries.
9097         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9098
9099 2008-09-11  Chris Demetriou  <cgd@google.com>
9100
9101         * options.h (origin): New -z option.
9102         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9103         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9104         in DT_FLAGS_1.
9105
9106 2008-09-05  Cary Coutant  <ccoutant@google.com>
9107
9108         * fileread.cc (File_read::make_view): Add check for attempt to map
9109         beyond end of file.
9110
9111 2008-09-05  Cary Coutant  <ccoutant@google.com>
9112
9113         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9114         explicit instantiations.
9115
9116 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9117
9118         PR gold/6858
9119         * options.cc (General_options::finalize): Allow undefined symbols
9120         in shlibs if linking -shared.
9121
9122         PR gold/6859
9123         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9124         symbols as not needing a dynsym entry.
9125
9126 2008-08-20  Craig Silverstein  <csilvers@google.com>
9127
9128         * fileread.cc (File_read::open): Do not lock the file unless it
9129         was successfully opened.
9130
9131 2008-08-14  Cary Coutant  <ccoutant@google.com>
9132
9133         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9134         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9135         * testsuite/tls_test.cc (struct int128): 128-bit struct
9136         for testing TLS relocs with non-zero addend.
9137         (v12): New TLS variable.
9138         (t12): New test.
9139         (t_last): Add check for v12.
9140         * testsuite/tls_test.h (t12): New function.
9141         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9142
9143 2008-08-13  Ian Lance Taylor  <iant@google.com>
9144
9145         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9146         set tls_segment_ or relro_segment_.
9147         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9148         when appropriate.
9149         * output.h (Output_section::clear_is_relro): New function.
9150         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9151         sections specially even when output_data_ is empty.
9152         (Output_segment::maximum_alignment): When first section is relro,
9153         only force alignment for PT_LOAD segments.
9154         * script.cc (script_data_segment_align): New function.
9155         (script_data_segment_relro_end): New function.
9156         * script-c.h (script_data_segment_align): Declare.
9157         (script_data_segment_relro_end): Declare.
9158         * script-sections.h (class Script_sections): Declare
9159         data_segment_align and data_segment_relro_end.  Add fields
9160         segment_align_index_ and saw_relro_end_.
9161         * script-sections.cc (class Sections_element): Add set_is_relro
9162         virtual function.  Add new bool* parameter to place_orphan_here.
9163         Add get_output_section virtual function.
9164         (class Output_section_definition): Add set_is_relro.  Add new
9165         bool* parameter to place_orphan_here.  Add get_output_section.
9166         Add is_relro_ field.
9167         (Output_section_definition::Output_section_definition): Initialize
9168         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9169         and is_relro_ fields.
9170         (Output_section_definition::place_orphan_here): Add is_relro
9171         parameter.
9172         (Output_section_definition::set_section_addresses): Set relro for
9173         output section.
9174         (Output_section_definition::alternate_constraint): Likewise.
9175         (class Orphan_output_section): Add new bool* parameter to
9176         place_orphan_here.  Add get_output_section.
9177         (Orphan_output_section::place_orphan_here): Add is_relro
9178         parameter.
9179         (Script_sections::Script_sections): Initialize
9180         data_segment_align_index_ and saw_relro_end_.
9181         (Script_sections::data_segment_align): New function.
9182         (Script_sections::data_segment_relro_end): New function.
9183         (Script_sections::place_orphan): Set or clear is_relro.
9184         (Script_sections::set_section_addresses): Force alignment of first
9185         TLS section.
9186         * yyscript.y (exp): Call script_data_segment_align and
9187         script_data_segment_relro_end.
9188         * testsuite/relro_script_test.t: New file.
9189         * testsuite/relro_test.cc (using_script): Declare.
9190         (t1, t2): Test using_script.
9191         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9192         (relro_script_test_SOURCES): Define.
9193         (relro_script_test_DEPENDENCIES): Define.
9194         (relro_script_test_LDFLAGS): Define.
9195         (relro_script_test_LDADD): Define.
9196         (relro_script_test.so): New target.
9197         * testsuite/Makefile.in: Rebuild.
9198
9199 2008-08-06  Cary Coutant <ccoutant@google.com>
9200
9201         * archive.cc (Archive::total_archives, Archive::total_members)
9202         (Archive::total_members_loaded): New variables.
9203         (Archive::setup): Add parameter.  Add option to preread
9204         archive symbols.
9205         (Archive::read_armap): Add counter.
9206         (Archive::get_file_and_offset): New function.
9207         (Archive::get_elf_object_for_member): New function.
9208         (Archive::read_all_symbols): New function.
9209         (Archive::read_symbols): New function.
9210         (Archive::add_symbols): Add counters.
9211         (Archive::include_all_members): Use armap to find members if it's
9212         already built.
9213         (Archive::include_member): Skip reading symbols if already read.
9214         Factored code into Archive::get_file_and_offset and
9215         Archive::get_elf_object_for_member.  Changed call to
9216         Mapfile::report_include_archive_member.
9217         (Archive::print_stats): New function.
9218         * archive.h: Declare Object and Read_symbols_data classes.
9219         (Archive::Archive): Add initializers for new members.
9220         (Archive::setup): Add parameter.
9221         (Archive::print_stats): New function.
9222         (Archive::total_archives, Archive::total_members)
9223         (Archive::total_members_loaded): New variables.
9224         (Archive::get_file_and_offset): New function.
9225         (Archive::get_elf_object_for_member): New function.
9226         (Archive::read_all_symbols): New function.
9227         (Archive::read_symbols): New function.
9228         (Archive::Archive_member): New class.
9229         (Archive::members_): New member.
9230         (Archive::num_members_): New member.
9231         * main.cc: Include archive.h.
9232         (main): Call Archive::print_stats.
9233         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9234         archive parameter; member_name is now the fully-decorated name.
9235         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9236         * options.h: (General_options): Add --preread-archive-symbols option.
9237         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9238         Archive::setup.
9239
9240 2008-08-04  Ian Lance Taylor  <iant@google.com>
9241
9242         * symtab.h (Symbol::use_plt_offset): New function.
9243         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9244         * powerpc.cc (Relocate::relocate): Likewise.
9245         * sparc.cc (Relocate::relocate): Likewise.
9246         * x86_64.cc (Relocate::relocate): Likewise.
9247         * testsuite/weak_plt.sh: New test.
9248         * testsuite/weak_plt_main.cc: New test.
9249         * testsuite/weak_plt_shared.cc: New test.
9250         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9251         (check_PROGRAMS): Add weak_plt.
9252         (check_DATA): Add weak_plt_shared.so.
9253         (weak_plt_main_pic.o, weak_plt): New targets.
9254         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9255         * testsuite/Makefile.in: Rebuild.
9256
9257         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9258         gcctestdir/ld.
9259         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9260         * testsuite/Makefile.in: Rebuild.
9261
9262 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9263
9264         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9265         * Makefile.in: Regenerate.
9266         * po/POTFILES.in: Regenerate.
9267
9268 2008-07-29  Ian Lance Taylor  <iant@google.com>
9269
9270         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9271         symbols before other symbols.
9272         * testsuite/script_test_2.cc (test_addr): Declare.
9273         (test_addr_alias): Declare.
9274         (main): Check that test_addr and test_addr_alias have the right
9275         values.
9276         * testsuite/script_test_2.t: Define test_addr_alias and
9277         test_addr.
9278
9279 2008-07-24  Ian Lance Taylor  <iant@google.com>
9280
9281         PR 5990
9282         * descriptors.cc: New file.
9283         * descriptors.h: New file.
9284         * gold-threads.h (class Hold_optional_lock): New class.
9285         * fileread.cc: Include "descriptors.h".
9286         (File_read::~File_read): Release descriptor rather than closing
9287         it.
9288         (File_read::open) [file]: Call open_descriptor rather than open.
9289         Set is_descriptor_opened_.
9290         (File_read::open) [memory]: Assert that descriptor is not open.
9291         (File_read::reopen_descriptor): New function.
9292         (File_read::release): Release descriptor.
9293         (File_read::do_read): Make non-const.  Reopen descriptor.
9294         (File_read::read): Make non-const.
9295         (File_read::make_view): Reopen descriptor.
9296         (File_read::do_readv): Likewise.
9297         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9298         Update declarations.
9299         * layout.cc: Include "descriptors.h".
9300         (Layout::create_build_id): Use open_descriptor rather than open.
9301         * output.cc: Include "descriptors.h".
9302         (Output_file::open): Use open_descriptor rather than open.
9303         * archive.cc (Archive::const_iterator): Change Archive to be
9304         non-const.
9305         (Archive::begin, Archive::end): Make non-const.
9306         (Archive::count_members): Likewise.
9307         * archive.h (class Archive): Update declarations.
9308         * object.h (Object::read): Make non-const.
9309         * Makefile.am (CCFILES): Add descriptors.cc.
9310         (HFILES): Add descriptors.h.
9311         * Makefile.in: Rebuild.
9312
9313         PR 6716
9314         * gold.h: Always include <clocale>.  Add Solaris workarounds
9315         following code in binutils/sysdep.h.
9316
9317         PR 6048
9318         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9319         this->eh_frame_hdr_ is NULL before using it.
9320
9321         * dynobj.cc (Versions::Versions): Update comment.
9322
9323         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9324         the base version name.
9325
9326         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9327         array size plus one.
9328         (Stringpool_template::set_string_offsets): Subtract one from key
9329         before using it as an array index.
9330         (Stringpool_template::get_offset_with_length): Likewise.
9331         (Stringpool_template::write_to_buffer): Likewise.
9332         * stringpool.h (Stringpool_template::get_offset_from_key):
9333         Likewise.
9334
9335 2008-07-23  Ian Lance Taylor  <iant@google.com>
9336
9337         PR 6658
9338         * object.h (Merged_symbol_value::value): Do our best to handle a
9339         negative addend.
9340
9341         PR 6647
9342         * script.cc (Version_script_info::get_versions): Don't add empty
9343         version tag to return value.
9344         (Version_script_info::get_symbol_version_helper): Change return
9345         type to bool.  Add pversion parameter.  Change all callers.
9346         (script_register_vers_node): Don't require a non-NULL tag.
9347         * script.h (class Version_script_info): Update declarations.
9348         (Version_script_info::get_symbol_version): Change return type to
9349         bool.  Add version parameter.  Change all callers.
9350         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9351         handling.  Handle an empty version from a version script.
9352         (Symbol_table::define_special_symbol): Likewise.
9353         * testsuite/ver_test_10.script: New file.
9354         * testsuite/ver_test_10.sh: New file.
9355         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9356         (check_DATA): Add ver_test_10.syms.
9357         (ver_test_10.syms, ver_test_10.so): New target.
9358         * testsuite/Makefile.in: Rebuild.
9359
9360 2008-07-23  Simon Baldwin  <simonb@google.com>
9361
9362         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9363         to zero for undefined symbols from dynamic libraries.
9364
9365 2008-07-23  Ian Lance Taylor  <iant@google.com>
9366
9367         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9368         Change all callers.
9369         * symtab.h (class Symbol_table): Update declaration.
9370         * testsuite/ver_test_9.cc: New file.
9371         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9372         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9373         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9374         (ver_test_9.so, ver_test_9.o): New targets.
9375         * testsuite/Makefile.in: Rebuild.
9376
9377 2008-07-22  Ian Lance Taylor  <iant@google.com>
9378
9379         * options.h (class General_options): Define --check-sections.
9380         * layout.cc (Layout::set_segment_offsets): Handle
9381         --check-sections.
9382
9383         * options.h (class General_options): Define -n/--nmagic and
9384         -N/--omagic.
9385         * options.cc (General_options::finalize): For -n/--nmagic or
9386         -N/--omagic, set -static.
9387         * layout.cc (Layout::attach_allocated_section_to_segment): If
9388         -N/--omagic, don't put read-only and read-write sections in
9389         different segments.
9390         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9391         finding a read-only segment.
9392         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9393         don't set the minimum segment alignment to the common page size,
9394         and don't set the file offset to the address modulo the page size.
9395         * script-sections.cc (Script_sections::create_segments): If
9396         -n/--omagic, don't put read-only and read-write sections in
9397         different segments.
9398
9399         * cref.cc: New file.
9400         * cref.h: New file.
9401         * options.h (class General_options): Add --print-symbol-counts.
9402         * main.cc (main): Issue defined symbol report if requested.
9403         * archive.cc (Archive::interpret_header): Make into a const member
9404         function.
9405         (Archive::add_symbols): Call Input_objects::archive_start and
9406         archive_stop.
9407         (Archive::const_iterator): Define new class.
9408         (Archive::begin, Archive::end): New functions.
9409         (Archive::include_all_members): Rewrite to use iterator.
9410         (Archive::count_members): New function.
9411         * archive.h (class Archive): Update declarations.
9412         (Archive::filename): New function.
9413         * object.cc: Include "cref.h".
9414         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9415         (Sized_relobj::do_get_global_symbol_counts): New function.
9416         (Input_objects::add_object): Add object to cross-referencer.
9417         (Input_objects::archive_start): New function.
9418         (Input_objects::archive_stop): New function.
9419         (Input_objects::print_symbol_counts): New function.
9420         * object.h: Declare Cref and Archive.
9421         (Object::get_global_symbol_counts): New function.
9422         (Object::do_get_global_symbol_counts): New pure virtual function.
9423         (class Sized_relobj): Add defined_count_ field.  Update
9424         declarations.
9425         (class Input_objects): Add cref_ field.  Update constructor.
9426         Update declarations.
9427         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9428         defined_count_.
9429         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9430         symbol counts.
9431         (Sized_dynobj::do_get_global_symbol_counts): New function.
9432         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9433         defined_count_.  Update declarations.  Define Symbols typedef.
9434         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9435         parameter.  Change all callers.
9436         (Symbol_table::add_from_dynobj): Add sympointers and defined
9437         parameters.  Change all callers.
9438         * symtab.h (class Symbol_table): Update declarations.
9439         * Makefile.am (CCFILES): Add cref.cc.
9440         (HFILES): Add cref.h.
9441         * Makefile.in: Rebuild.
9442
9443 2008-07-22  Simon Baldwin  <simonb@google.com>
9444
9445         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9446         to zero when writing undefined symbols.
9447
9448 2008-07-22  Ian Lance Taylor  <iant@google.com>
9449
9450         * output.cc (Output_section::add_input_section): Don't try to
9451         merge empty merge sections.
9452
9453 2008-07-21  Craig Silverstein  <csilvers@google.com>
9454
9455         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9456         Include symbol version in error message.
9457
9458 2008-07-20  Chris Demetriou  <cgd@google.com>
9459
9460         * configure.ac (gold_cv_c_random_seed): New configured variable.
9461         (RANDOM_SEED_CFLAGS): New substituted variable.
9462         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9463         * configure: Rebuild.
9464         * Makefile.in: Likewise.
9465         * testsuite/Makefile.in: Likewise.
9466
9467 2008-07-18  Ian Lance Taylor  <iant@google.com>
9468
9469         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9470         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9471         * testsuite/ver_test_main.cc (main): Call t4.
9472         (t4, t4_2a): Define.
9473         * testsuite/ver_test_2.cc (t4_2): Define.
9474         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9475         * testsuite/ver_test_4.cc (t4_2a): Define.
9476         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9477         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9478
9479 2008-07-17  Ian Lance Taylor  <iant@google.com>
9480
9481         * dynobj.cc (Versions::add_def): If we give an error about a
9482         missing version, go ahead and create the version anyhow.
9483
9484 2008-07-10  Ian Lance Taylor  <iant@google.com>
9485
9486         Handle output sections with more than 0x7fffffff bytes.
9487         * object.h (class Relobj): Change map_to_output_ to
9488         output_sections_, and just keep a section pointer.  Change all
9489         uses.  Move comdat group support to Sized_relobj.
9490         (Relobj::is_section_specially_mapped): Remove.
9491         (Relobj::output_section): Remove poff parameter.  Change all
9492         callers.
9493         (Relobj::output_section_offset): New function.
9494         (Relobj::set_section_offset): Rewrite.
9495         (Relobj::map_to_output): Remove.
9496         (Relobj::output_sections): New function.
9497         (Relobj::do_output_section_offset): New pure virtual function.
9498         (Relobj::do_set_section_offset): Likewise.
9499         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9500         group support from Relobj.  Update declarations.
9501         (Sized_relobj::get_output_section_offset): New function.
9502         (Sized_relobj::do_output_section_offset): New function.
9503         (Sized_relobj::do_set_section_offset): New function.
9504         * object.cc (Relobj::output_section_address): Remove.
9505         (Sized_relobj::Sized_relobj): Initialize new fields.
9506         (Sized_relobj::include_section_group): Cast find_kept_object to
9507         Sized_relobj.
9508         (Sized_relobj::include_linkonce_section): Likewise.
9509         (Sized_relobj::do_layout): Use separate arrays for output section
9510         and output offset.
9511         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9512         output_sections.
9513         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9514         output_sections and section_offsets.
9515         (Sized_relobj::write_local_symbols): Likewise.
9516         (map_to_kept_section): Compute output address directly.
9517         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9518         output_sections and section_offsets.
9519         (Sized_relobj::write_sections): Likewise.
9520         (Sized_relobj::relocate_sections): Likewise.
9521         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9522         * output.h (class Output_reloc): Update declarations.  Change
9523         u2_.relobj to Sized_relobj*.
9524         (class Output_data_reloc): Change add functions to use
9525         Sized_relobj*.
9526         * output.cc (Output_reloc::Output_reloc): Change relobj to
9527         Sized_relobj*.
9528         (Output_reloc::local_section_offset): Change return type to
9529         Elf_Addr.  Use get_output_section_offset.
9530         (Output_reloc::get_address): Likewise.
9531         (Output_section::is_input_address_mapped): Don't call
9532         is_section_specially_mapped.
9533         (Output_section::output_offset): Likewise.
9534         (Output_section::output_address): Likewise.
9535         (Output_section::starting_output_address): Likewise.
9536         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
9537         parameter to Sized_relobj*.
9538         (Copy_relocs::need_copy_reloc): Likewise.
9539         (Copy_relocs::save): Likewise.
9540         * copy-relocs.h (class Copy_relocs): Update declarations.
9541         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
9542         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
9543         * target-reloc.h (relocate_for_relocatable): Change
9544         offset_in_output_section type to Elf_Addr.  Change code that uses
9545         it as well.
9546         * layout.cc (Layout::layout): Always set *off.
9547         * mapfile.cc (Mapfile::print_input_section): Use
9548         output_section_offset.
9549         * i386.cc (Target_i386::copy_reloc): Change object parameter to
9550         Sized_relobj*.
9551         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
9552         * sparc.cc (Target_sparc::copy_reloc): Likewise.
9553         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
9554
9555 2008-07-03  Ian Lance Taylor  <iant@google.com>
9556
9557         * layout.cc (Layout::include_section): Do not discard unrecognized
9558         SHT_STRTAB sections.
9559
9560 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
9561
9562         * script.cc (Lex::can_continue_name): Make '?' allowable in
9563         version-script names.
9564         * testsuite/version_script.map: Change glob pattern to use '?'
9565
9566 2008-06-30  Manish Singh  <yosh@gimp.org>
9567
9568         PR 6585
9569         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
9570         Correct typo.
9571
9572 2008-06-30  Ian Lance Taylor  <iant@google.com>
9573
9574         PR 6660
9575         PR 6682
9576         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
9577         versions]: Don't try to read the value in the contents, since we
9578         don't use it.  Use the template endianness when writing.
9579
9580 2008-06-25  Cary Coutant  <ccoutant@google.com>
9581
9582         * fileread.cc (File_read::make_view): Assert on zero-length view.
9583         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
9584         symbol table when there are no symbols to read.
9585
9586 2008-06-23  Craig Silverstein  <csilvers@google.com>
9587
9588         * version.cc (version_string): Bump to 1.7
9589
9590 2008-06-18  Craig Silverstein  <csilvers@google.com>
9591
9592         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
9593         constant 0xFFFF to type Valtype.
9594         (Powerpc_relocate_functions::rel16_ha): Likewise.
9595
9596 2008-06-17  Ian Lance Taylor  <iant@google.com>
9597
9598         * output.h (Output_section::Input_section): Initialize p2align_ to
9599         zero for Output_section_data constructors.
9600         (Output_section::Input_section::addralign): If not an input
9601         section, return the alignment of the Output_section_data.
9602         * testsuite/copy_test.cc: New file.
9603         * testsuite/copy_test_1.cc: New file.
9604         * testsuite/copy_test_2.cc: New file.
9605         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
9606         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
9607         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
9608         (copy_test_1_pic.o, copy_test_1.so): New targets.
9609         (copy_test_2_pic.o, copy_test_2.so): New targets.
9610         * testsuite/Makefile.in: Rebuild.
9611
9612         * script-sections.cc (Script_sections::place_orphan): Initialize
9613         local variable exact.
9614
9615 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
9616
9617         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
9618
9619 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
9620             David S. Miller  <davem@davemloft.net>
9621
9622         * powerpc.cc: New file.
9623         * Makefile.am (TARGETSOURCES): Add powerpc.cc
9624         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
9625         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
9626         * Makefile.in: Rebuild.
9627
9628 2008-06-09  Ian Lance Taylor  <iant@google.com>
9629
9630         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
9631         <exception>.
9632         (throwing, orig_terminate): New static variables.
9633         (terminate_handler): New static function.
9634         (t2): Set terminate handler.
9635
9636 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
9637
9638         PR 6584
9639         * binary.cc (Binary_to_elf::sized_convert): Fix .data
9640         alignment.
9641
9642 2008-05-30  Cary Coutant  <ccoutant@google.com>
9643
9644         * archive.cc (Archive::include_all_members) Correct to step
9645         over symbol table and extended name table in thin archives.
9646
9647 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
9648
9649         PR 6407
9650         * target-reloc.h (relocate_for_relocatable): Fix new_offset
9651         calculation.
9652
9653 2008-05-28  Caleb Howe  <cshowe@google.com>
9654
9655         * reduced_debug_output.cc: New file.
9656         * reduced_debug_output.h: New file.
9657         * options.h (class General_options): Add --strip-debug-non-line.
9658         * options.cc (General_options::finalize): Add strip_debug_non_line
9659         to the strip heirarchy.
9660         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
9661         fields.
9662         * layout.cc: Include "reduced_debug_output.h".
9663         (Layout::Layout): Initialize new fields.
9664         (line_only_debug_sections): New static array.
9665         (is_lines_only_debug_sections): New static inline function.
9666         (Layout::include_section): Handle --strip-debug-non-line.
9667         (Layout::make_output_section): If --strip-debug-non-line, build
9668         new output sections for .debug_abbrev and .debug_info.
9669         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
9670         gold.  Warn about possible overflow.
9671         (read_signed_LEB_128): Likewise.
9672         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
9673         (read_signed_LEB_128): Declare.
9674         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
9675         (HFILES): Add reduced_debug_output.h.
9676         * Makefile.in: Rebuild.
9677
9678 2008-05-21  Ian Lance Taylor  <iant@google.com>
9679
9680         * mapfile.cc: New file.
9681         * mapfile.h: New file.
9682         * options.h (class General_options): Add -M/--print-map and -Map.
9683         * options.cc (General_options::finalize): Make -M equivalent to
9684         -Map -.
9685         * main.cc: Include <cstdio> and "mapfile.h".
9686         (main): Open mapfile if requested.
9687         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
9688         constructor.  Change caller.
9689         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9690         (queue_middle_tasks): Likewise.
9691         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9692         declarations.
9693         * archive.cc: Include "mapfile.h".
9694         (Archive::add_symbols): Add mapfile parameter.  Change all
9695         callers.  Pass mapfile, symbol, and reason to include_member.
9696         (Archive::include_all_members): Add mapfile parameter.  Change all
9697         callers.
9698         (Archive::include_member): Add mapfile, sym, and why parameters.
9699         Change all callers.  Report inclusion to map file.
9700         * archive.h: Include "fileread.h".
9701         (class Archive): Update declarations.
9702         (Archive::file): New const method.
9703         (class Add_archive_symbols): Add mapfile_ field.  Update
9704         constructor.  Change all callers.
9705         * readsyms.h (class Read_symbols): Likewise.
9706         (class Finish_group): Likewise.
9707         (class Read_script): Likewise.
9708         * common.cc: Include "mapfile.h".
9709         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9710         all callers.
9711         (Symbol_table::do_allocate_commons): Likewise.
9712         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9713         symbol allocation to mapfile.
9714         * common.h (class Allocate_commons_task): Add mapfile_ field.
9715         Update constructor.  Change all callers.
9716         * symtab.h (class Symbol_table): Update declarations.
9717         * layout.cc: Include "mapfile.h".
9718         (Layout_task_runner::run): Print information to mapfile.
9719         (Layout::create_gold_note): Change Output_data_fixed_space to
9720         Output_data_zero_fill.
9721         (Layout::create_build_id): Likewise.
9722         (Layout::print_to_mapfile): New function.
9723         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9724         constructor.  Change caller.
9725         (class Layout): Declare print_to_mapfile.
9726         * output.cc (Output_section::Input_section::print_to_mapfile): New
9727         function.
9728         (Output_section::add_input_section): If producing a map, always
9729         add to input_sections_ list.
9730         (Output_section::do_print_to_mapfile): New function.
9731         (Output_segment::print_sections_to_mapfile): New function.
9732         (Output_segment::print_section_list_to_mapfile): New function.
9733         * output.h: Include "mapfile.h".
9734         (Output_data::print_to_mapfile): New function.
9735         (Output_data::do_print_to_mapfile): New virtual function.
9736         (Output_segment_headers::do_print_to_mapfile): New function.
9737         (Output_file_header::do_print_to_mapfile): New function.
9738         (Output_data_const::do_print_to_mapfile): New function.
9739         (class Output_data_const_buffer): Add map_name_ field.  Update
9740         constructor.  Change all callers.  Add do_print_to_mapfile
9741         function.
9742         (class Output_data_fixed_space): Likewise.
9743         (class Output_data_space): Likewise.
9744         (class Output_data_zero_fill): New class.
9745         (Output_data_strtab::do_print_to_mapfile): New function.
9746         (Output_data_reloc_base::do_print_to_mapfile): New function.
9747         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9748         (Output_data_group::do_print_to_mapfile): New function.
9749         (Output_data_got::do_print_to_mapfile): New function.
9750         (Output_data_dynamic::do_print_to_mapfile): New function.
9751         (Output_symtab_xindex::do_print_to_mapfile): New function.
9752         (class Output_section): Declare do_print_to_mapflie.  Declare
9753         print_to_mapfile in Input_section.
9754         (class Output_segment): Declare new functions.
9755         * object.h (Sized_relobj::symbol_count): New function.
9756         * script-sections.cc
9757         (Output_section_element_dot_assignment::set_section_addresses):
9758         Change Output_data_fixed_space to Output_data_zero_fill.
9759         (Output_data_expression::do_print_to_mapfile): New function.
9760         * script.cc (read_input_script): Add mapfile parameter.  Change
9761         all callers.
9762         * script.h (read_input_script): Update declaration.
9763         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9764         (Eh_frame::do_print_to_mapfile): New function.
9765         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9766         (Output_merge_string::do_print_to_mapfile): New function.
9767         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9768         function.
9769         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9770         function.
9771         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9772         function.
9773         * Makefile.am (CCFILES): Add mapfile.cc.
9774         (HFILES): Add mapfile.h.
9775         * Makefile.in: Rebuild.
9776
9777 2008-05-19  Ian Lance Taylor  <iant@google.com>
9778
9779         * options.h (class General_options): Add -z relro.
9780         * layout.cc (Layout::Layout): Initialize relro_segment_.
9781         (Layout::add_output_section_data): Return the output section.
9782         (Layout::make_output_section): Rcognize relro sections and mark
9783         them appropriately.
9784         (Layout::attach_allocated_section_to_segment): Put relro sections
9785         in a PT_GNU_RELRO segment.
9786         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9787         section as relro.
9788         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9789         PT_TLS segments.
9790         (Layout::linkonce_mapping): Map d.rel.ro.local to
9791         .data.rel.ro.local.
9792         (Layout::output_section_name): Us .data.rel.ro.local for any
9793         section which begins with that.
9794         * layout.h (class Layout): Update add_output_section_data
9795         declaration.  Add relro_segment_ field.
9796         * output.cc (Output_section::Output_section): Initialize is_relro_
9797         and is_relro_local_ fields.
9798         (Output_segment::add_output_section): Group relro sections.
9799         (Output_segment::is_first_section_relro): New function.
9800         (Output_segment::maximum_alignment): If there is a relro section,
9801         align the segment to the common page size.
9802         (Output_segment::set_section_addresses): Track whether we are
9803         looking at relro sections.  If the last section is a relro
9804         section, align to the common page size.
9805         (Output_segment::set_section_list_addresses): Add in_relro
9806         parameter.  Change all callers.  Align to the page size when
9807         moving from relro to non-relro section.
9808         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9809         segment.
9810         * output.h (class Output_section): Add is_relro_ and
9811         is_relro_local_ fields.
9812         (Output_section::is_relro): New function.
9813         (Output_section::set_is_relro): New function.
9814         (Output_section::is_relro_local): New function.
9815         (Output_section::set_is_relro_local): New function.
9816         (class Output_segment): Update declarations.
9817         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9818         * sparc.cc (Target_sparc::got_section): Likewise.
9819         * x86_64.cc (Target_x86_64::got_section): Likewise.
9820         * testsuite/relro_test_main.cc: New file.
9821         * testsuite/relro_test.cc: New file.
9822         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9823         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9824         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9825         (relro_test.so, relro_test_pic.o): New targets.
9826         * testsuite/Makefile.in: Rebuild.
9827
9828 2008-05-16  Ian Lance Taylor  <iant@google.com>
9829
9830         * output.cc (Output_segment::add_output_section): Remove front
9831         parameter.
9832         * output.h (class Output_segment): Remove
9833         add_initial_output_section and overloaded add_output_section.
9834         Update declaration of remaining add_output_section.
9835         * layout.cc (Layout::create_interp): Call add_output_section
9836         rather than add_initial_output_section.
9837         (Layout::finish_dynamic_section): Likewise.
9838
9839         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9840         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9841         know the dynamic type.
9842         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9843         field.  Initialize it in constructor.
9844         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9845         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9846         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9847         reloc.
9848
9849         * output.cc (Output_reloc::get_address): Change return type to
9850         Elf_Addr.
9851         * output.h (class Output_reloc): Update get_address declaration.
9852         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9853         for section addresses.
9854
9855 2008-05-09  Ian Lance Taylor  <iant@google.com>
9856
9857         PR 6493
9858         * gold.cc (gold_nomem): Use return value of write.
9859
9860 2008-05-08  Ian Lance Taylor  <iant@google.com>
9861
9862         * symtab.c (Symbol::init_base_output_data): Add version
9863         parameter.  Change all callers.
9864         (Symbol::init_base_output_segment): Likewise.
9865         (Symbol::init_base_constant): Likewise.
9866         (Symbol::init_base_undefined): Likewise.
9867         (Sized_symbol::init_output_data): Likewise.
9868         (Sized_symbol::init_output_segment): Likewise.
9869         (Sized_symbol::init_constant): Likewise.
9870         (Sized_symbol::init_undefined): Likewise.
9871         (Symbol_table::do_define_in_output_data): If the new symbol has a
9872         version, mark it as the default.
9873         (Symbol_table::do_define_in_output_segment): Likewise.
9874         (Symbol_table::do_define_as_constant): Likewise.
9875         * symtab.h (class Symbol): Update declarations.
9876         (class Sized_symbol): Likewise.
9877         * resolve.cc (Symbol::override_version): New function.
9878         (Symbol::override_base): Call override_version.
9879         (Symbol::override_base_with_special): Likewise.
9880         * testsuite/ver_script_8.script: New file.
9881         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9882         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9883         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9884         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9885
9886 2008-05-06  Ian Lance Taylor  <iant@google.com>
9887
9888         PR 6049
9889         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9890         functions.
9891         (class General_options): Remove existing --undefined, and add
9892         --no-undefined instead.  Add new --undefined as synonym for -u.
9893         * archive.cc (Archive::add_symbols): Check whether symbol was
9894         named with -u.
9895         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9896         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9897         all uses.  Add IS_UNDEFINED.  Update declarations to split
9898         different versions of init_base.  Declare init_base_undefined.
9899         (Symbol::is_defined): Handle IS_UNDEFINED.
9900         (Symbol::is_undefined): Likewise.
9901         (Symbol::is_weak_undefined): Call is_undefined.
9902         (Symbol::is_absolute): Handle IS_CONSTANT.
9903         (class Sized_symbol): Update declarations to split different
9904         versions of init.  Declare init_undefined.
9905         (class Symbol_table): Declare new functions.
9906         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9907         Change all callers.
9908         (Symbol::init_base_output_data): Likewise.
9909         (Symbol::init_base_output_segment): Likewise.
9910         (Symbol::init_base_constant): Likewise.
9911         (Symbol::init_base_undefined): New function.
9912         (Sized_symbol::init_object): Rename from init.  Change all
9913         callers.
9914         (Sized_symbol::init_output_data): Likewise.
9915         (Sized_symbol::init_output_segment): Likewise.
9916         (Sized_symbol::init_constant): Likewise.
9917         (Sized_symbol::init_undefined): New function.
9918         (Symbol_table::add_undefined_symbols_from_command_line): New
9919         function.
9920         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9921         function.
9922         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9923         (Symbol::output_section): Likewise.
9924         (Symbol::set_output_section): Likewise.
9925         (Symbol_table::sized_finalize_symbol): Likewise.
9926         (Symbol_table::sized_write_globals): Likewise.
9927         * resolve.cc (Symbol_table::should_override): Likewise.
9928         (Symbol::override_base_with_special): Likewise.
9929
9930         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9931         symbol, change it to have default visibility.
9932         * testsuite/protected_1.cc: New file.
9933         * testsuite/protected_2.cc: New file.
9934         * testsuite/protected_3.cc: New file.
9935         * testsuite/protected_main_1.cc: New file.
9936         * testsuite/protected_main_2.cc: New file.
9937         * testsuite/protected_main_3.cc: New file.
9938         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9939         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9940         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9941         (protected_1.so): New target.
9942         (protected_1_pic.o, protected_2_pic.o): New targets.
9943         (protected_3_pic.o): New target.
9944         (check_PROGRAMS): Add protected_2.
9945         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9946         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9947         * testsuite/Makefile.in: Rebuild.
9948
9949         * options.h (DEFINE_var): Add set_user_set_##varname__.
9950         (DEFINE_bool_alias): New macro.
9951         (class General_options): Define -Bstatic using DEFINE_bool_alias
9952         rather than DEFINE_special.  Add --undefined as an alias for -z
9953         defs.
9954         * options.cc (General_options::parse_Bstatic): Remove.
9955
9956         * options.h (class General_options): Add --fatal-warnings.
9957         * main.cc (main): Implement --fatal-warnings.
9958         * errors.h (Errors::warning_count): New function.
9959
9960         * options.h (class General_options): Add -Bsymbolic-functions.
9961         * symtab.h (Symbol::is_preemptible): Check for
9962         -Bsymbolic-functions.
9963
9964 2008-05-05  Ian Lance Taylor  <iant@google.com>
9965
9966         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9967         as noVARNAME rather than no-VARNAME.
9968         (class General_options): Add option -z combreloc.
9969         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9970         get_address.
9971         (Output_reloc::sort_before) [SHT_REL]: New function.
9972         (Output_reloc::sort_before) [SHT_RELA]: New function.
9973         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9974         Sort_relocs_comparison.
9975         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9976         parameter.  Change all callers.
9977         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9978         sort_relocs parameter.  Change all callers.
9979         * output.cc (Output_reloc::get_address): New function, broken out
9980         of write_rel.
9981         (Output_reloc::write_rel): Call it.
9982         (Output_reloc::compare): New function.
9983         (Output_data_reloc_base::do_write): Optionally sort relocs.
9984
9985         * configure.ac: If targ_extra_obj is set, link it in.
9986         * configure.tgt: Initialize all variables.
9987         (x86_64*): Set targ_extra_obj and targ_extra_size.
9988         * configure: Rebuild.
9989
9990         * object.cc (Sized_relobj::include_section_group): Adjust section
9991         indexes read from group data.  Build vector to pass to
9992         layout_group.
9993         * layout.cc (Layout::layout_group): Add flags and shndxes
9994         parameters.  Remove contents parameter.  Change caller.  Update
9995         explicit instantiations.
9996         * layout.h (class Layout): Update layout_group declaration.
9997         * output.cc (Output_data_group::Output_data_group): Add flags and
9998         input_shndxes parameters.  Remove contents parameter.  Change
9999         caller.
10000         (Output_data_group::do_write): Change input_sections_ to
10001         input_shndxes_.
10002         * output.h (class Output_data_group): Update constructor
10003         declaration.  Rename input_sections_ to input_shndxes_.
10004         * testsuite/many_sections_test.cc: Add template.
10005
10006 2008-04-30  Cary Coutant  <ccoutant@google.com>
10007
10008         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10009
10010         * layout.cc (Layout::include_section): Refactored check for debug
10011         info section.
10012         (Layout::add_comdat): Add new parameters.  Change type
10013         of signature parameter.  Add object and shndx to signatures table.
10014         (Layout::find_kept_object): New function.
10015         * layout.h: Include <cstring>.
10016         (Layout::is_debug_info_section): New function.
10017         (Layout::add_comdat): Add new parameters.
10018         (Layout::find_kept_object): New function.
10019         (Layout::Kept_section): New struct.
10020         (Layout::Signatures): Change type of map range.
10021         * object.cc (Relobj::output_section_address): New function.
10022         (Sized_relobj::include_section_group): Add new parameters.  Change
10023         calls to Layout::add_comdat.  Change to build table of kept comdat
10024         groups and table mapping discarded sections to kept sections.
10025         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10026         (Sized_relobj::do_layout): Change calls to include_section_group and
10027         include_linkonce_section.
10028         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10029         value to zero when section is discarded.
10030         (Sized_relobj::map_to_kept_section): New function.
10031         * object.h (Relobj::output_section_address): New function.
10032         (Relobj::Comdat_group): New type.
10033         (Relobj::find_comdat_group): New function.
10034         (Relobj::Comdat_group_table): New type.
10035         (Relobj::Kept_comdat_section): New type.
10036         (Relobj::Kept_comdat_section_table): New type.
10037         (Relobj::add_comdat_group): New function.
10038         (Relobj::set_kept_comdat_section): New function.
10039         (Relobj::get_kept_comdat_section): New function.
10040         (Relobj::comdat_groups_): New field.
10041         (Relobj::kept_comdat_sections_): New field.
10042         (Symbol_value::input_value): Update comment.
10043         (Sized_relobj::map_to_kept_section) New function.
10044         (Sized_relobj::include_linkonce_section): Add new parameter.
10045         * target-reloc.h (Comdat_behavior): New type.
10046         (get_comdat_behavior): New function.
10047         (relocate_section): Add code to map a discarded section to the
10048         corresponding kept section when applying a relocation.
10049
10050 2008-04-30  Craig Silverstein  <csilvers@google.com>
10051
10052         * dwarf_reader.cc (next_generation_count): New static var.
10053         (Addr2line_cache_entry): New struct.
10054         (addr2line_cache): New static var.
10055         (Dwarf_line_info::one_addr2line): Added caching.
10056         (Dwarf_line_info::clear_addr2line_cache): New function.
10057         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10058         cache-size parameter.
10059         (Dwarf_line_info::one_addr2line_cache): New function.
10060         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10061         new cache-size argument to one_addr2line(), and clear cache.
10062
10063 2008-04-28  Cary Coutant  <ccoutant@google.com>
10064
10065         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10066         R_386_PC8 relocations.
10067
10068 2008-04-23  Ian Lance Taylor  <iant@google.com>
10069
10070         * object.cc (Sized_relobj::include_section_group): Check for
10071         invalid section group.
10072
10073         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10074         header size.
10075
10076         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10077         than read for file header.
10078         * archive.cc (Archive::include_member): Likewise.
10079
10080 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10081
10082         * aclocal.m4: Regenerate.
10083         * configure: Regenerate.
10084
10085 2008-04-19  Ian Lance Taylor  <iant@google.com>
10086
10087         * version.cc (version_string): Bump to 1.6.
10088
10089         * testsuite/Makefile.am (many_sections_r_test): New target.
10090         (many_sections_r_test_SOURCES): Remove.
10091         (many_sections_r_test_DEPENDENCIES): Remove.
10092         (many_sections_r_test_LDFLAGS): Remove.
10093         (many_sections_r_test_LDADD): Remove.
10094
10095         * object.cc (Sized_relobj::do_add_symbols): Always pass
10096         local_symbol_count_ to add_from_relobj.
10097
10098         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10099         every thousand variables.
10100         * testsuite/Makefile.in: Rebuild.
10101
10102         * object.cc (Xindex::initialize_symtab_xindex): New function.
10103         (Xindex::read_symtab_xindex): New function.
10104         (Xindex::sym_xindex_to_shndx): New function.
10105         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10106         available.
10107         (Sized_relobj::do_initialize_xindex): New function.
10108         (Sized_relobj::do_read_symbols): Adjust section links.
10109         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10110         parameter.  Change all callers.
10111         (Sized_relobj::include_section_group): Adjust section links and
10112         symbol section indexes.
10113         (Sized_relobj::do_layout): Adjust section links.
10114         (Sized_relobj::do_count_local_symbols): Adjust section links and
10115         symbol section indexes.
10116         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10117         ordinary and special symbols.
10118         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10119         dynsym_xindex parameters.  Change all callers.  Adjust section
10120         links.  Use SHN_XINDEX when needed.
10121         (Sized_relobj::get_symbol_location_info): Adjust section links.
10122         Don't get fooled by special symbols.
10123         * object.h (class Xindex): Define.
10124         (class Object): Add xindex_ parameter.  Declare virtual functoin
10125         do_initialize_xindex.
10126         (Object::adjust_sym_shndx): New function.
10127         (Object::set_xindex): New protected function.
10128         (class Symbol_value): Add is_ordinary_shndx_ field.
10129         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10130         (Symbol_value::value): Assert ordinary section.
10131         (Symbol_value::initialize_input_to_output_map): Likewise.
10132         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10133         Change all callers.
10134         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10135         all callers.
10136         (class Sized_relobj): Update declarations.
10137         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10138         parameter.  Change all callers.
10139         (Sized_relobj::adjust_shndx): New function.
10140         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10141         field.
10142         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10143         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10144         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10145         (Sized_dynobj::read_dynsym_section): Adjust section links.
10146         (Sized_dynobj::read_dynamic): Likewise.
10147         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10148         section links.
10149         (Sized_dynobj::do_initialize_xindex): New function.
10150         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10151         do_initialize_xindex.
10152         (Sized_dynobj::adjust_shndx): New function.
10153         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10154         dynsym_xindex_ fields.
10155         (Layout::finalize): Add a call to set_section_indexes before
10156         creating the symtab sections.
10157         (Layout::set_section_indexes): Don't do anything if the section
10158         already has a section index.
10159         (Layout::create_symtab_sections): Add shnum parameter.  Change
10160         caller.  Create .symtab_shndx section if needed.
10161         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10162         caller.
10163         (Layout::allocated_output_section_count): New function.
10164         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10165         needed.
10166         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10167         fields.  Update declarations.
10168         (Layout::symtab_xindex): New function.
10169         (Layout::dynsym_xindex): New function.
10170         (class Write_symbols_task): Add layout_ field.
10171         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10172         Change caller.
10173         * output.cc (Output_section_headers::Output_section_headers): Add
10174         shstrtab_section parameter.  Change all callers.
10175         (Output_section_headers::do_sized_write): Store overflow values
10176         for section count and section string table section index in
10177         section header zero.
10178         (Output_file_header::do_sized_write): Check for overflow of
10179         section count and section string table section index.
10180         (Output_symtab_xindex::do_write): New function.
10181         (Output_symtab_xindex::endian_do_write): New function.
10182         * output.h (class Output_section_headers): Add shstrtab_section_.
10183         Update declarations.
10184         (class Output_symtab_xindex): Define.
10185         (Output_section::has_out_shndx): New function.
10186         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10187         field.
10188         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10189         Change all callers.
10190         (Sized_symbol::init): Likewise.
10191         (Symbol::output_section): Check for ordinary symbol.
10192         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10193         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10194         callers.
10195         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10196         Change all callers.  Simplify handling of symbols from sections
10197         not included in the link.
10198         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10199         distinction.
10200         (Weak_alias_sorter::operator()): Assert that symbols are
10201         ordinary.
10202         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10203         distinction.
10204         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10205         parameters.  Change all callers.
10206         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10207         symbol distinction.  Use SHN_XINDEX when needed.
10208         (Symbol_table::write_section_symbol): Add symtab_xindex
10209         parameter.  Change all callers.
10210         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10211         SHN_XINDEX when needed.
10212         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10213         declarations.
10214         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10215         (Symbol::is_defined): Check is_ordinary.
10216         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10217         (Symbol::is_absolute, Symbol::is_common): Likewise.
10218         (class Sized_symbol): Update declarations.
10219         (class Symbol_table): Update declarations.
10220         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10221         parameters.  Change all callers.
10222         (Sized_symbol::override): Likewise.
10223         (Symbol_table::override): Likewise.
10224         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10225         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10226         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10227         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10228         to be in an ordinary section.
10229         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10230         object and is_ordinary parameters.  Change all callers.
10231         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10232         Change all callers.  Don't add undefined or non-ordinary symbols
10233         to reloc_map_.
10234         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10235         Change all callers.
10236         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10237         declarations.
10238         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10239         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10240         (Sized_relobj::relocate_sections): Likewise.
10241         * target-reloc.h (scan_relocs): Adjust section symbol index.
10242         (scan_relocatable_relocs): Likewise.
10243         * i386.cc (Scan::local): Check for ordinary symbols.
10244         * sparc.cc (Scan::local): Likewise.
10245         * x86_64.cc (Scan::local): Likewise.
10246         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10247         to symbol_section_and_value.
10248         * testsuite/many_sections_test.cc: New file.
10249         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10250         (check_PROGRAMS): Add many_sections_test.
10251         (many_sections_test_SOURCES): Define.
10252         (many_sections_test_DEPENDENCIES): Define.
10253         (many_sections_test_LDFLAGS): Define.
10254         (BUILT_SOURCES): Add many_sections_define.h.
10255         (many_sections_define.h): New target.
10256         (BUILT_SOURCES): Add many_sections_check.h.
10257         (many_sections_check.h): New target.
10258         (check_PROGRAMS): Add many_sections_r_test.
10259         (many_sections_r_test_SOURCES): Define.
10260         (many_sections_r_test_DEPENDENCIES): Define.
10261         (many_sections_r_test_LDFLAGS): Define.
10262         (many_sections_r_test_LDADD): Define.
10263         (many_sections_r_test.o): New target.
10264         * testsuite/Makefile.in: Rebuild.
10265
10266 2008-04-17  Cary Coutant  <ccoutant@google.com>
10267
10268         * errors.cc (Errors::info): New function.
10269         (gold_info): New function.
10270         * errors.h (Errors::info): New function.
10271         * gold.h (gold_info): New function.
10272         * object.cc (Input_objects::add_object): Print trace output.
10273         * options.cc (options::parse_set): New function.
10274         (General_options::parse_wrap): Deleted.
10275         (General_options::General_options): Deleted initializer.
10276         * options.h (options::String_set): New typedef.
10277         (options::parse_set): New function.
10278         (DEFINE_set): New macro.
10279         (General_options::wrap): Changed to use DEFINE_set. Changed
10280         callers of any_wrap_symbols and is_wrap_symbol.
10281         (General_options::trace, General_options::trace_symbol):
10282         New options.
10283         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10284         (General_options::wrap_symbols_): Deleted.
10285         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10286
10287 2008-04-17  David S. Miller  <davem@davemloft.net>
10288
10289         * options.cc (General_options::parse_V): New function.
10290         * options.h: Add entries for -V and -Qy.
10291
10292 2008-04-17  Ian Lance Taylor  <iant@google.com>
10293
10294         * common.cc (Symbol_table::allocate_commons): Remove options
10295         parameter.  Change caller.
10296         (Symbol_table::do_allocate_commons): Remove options parameter.
10297         Change caller.  Just call do_allocate_commons_list twice.
10298         (Symbol_table::do_allocate_commons_list): New function, broken out
10299         of do_allocate_commons.
10300         * common.h (class Allocate_commons_task): Remove options_ field.
10301         Update constructor.
10302         * symtab.cc (Symbol_table::Symbol_table): Initialize
10303         tls_commons_.
10304         (Symbol_table::add_from_object): Put TLS common symbols on
10305         tls_commons_ list.
10306         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10307         which are IN_OUTPUT_DATA.
10308         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10309         allocate_commons and do_allocate_commons declarations.  Declare
10310         do_allocate_commons_list.
10311         * gold.cc (queue_middle_tasks): Update creation of
10312         Allocate_commons_task to not pass options.
10313         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10314         (TLS_TEST_C_FLAGS): New variable.
10315         (tls_test_c_pic.o): New target.
10316         (tls_test_shared.so): Link in tls_test_c_pic.o.
10317         (tls_test_c_pic_ie.o): New target.
10318         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10319         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10320         (tls_test_c.o): New target.
10321         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10322         (tls_pic_test_LDADD): Likewise.
10323         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10324         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10325         (tls_test_c_gnu2.o): New target.
10326         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10327         tls_test_c_gnu2.o.
10328         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10329         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10330         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10331         * testsuite/tls_test.cc: Include "config.h".
10332         (t_last): Call t11_last.
10333         * testsuite/tls_test.h (t11, t11_last): Declare.
10334         * testsuite/tls_test_c.c: New file.
10335         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10336         * configure.ac: Check for OpenMP support.
10337         * configure, config.in, Makefile.in: Rebuild.
10338         * testsuite/Makefile.in: Rebuild.
10339
10340 2008-04-16  Cary Coutant  <ccoutant@google.com>
10341
10342         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10343         (Target_i386::tls_base_symbol_defined_): New field.
10344         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10345         (Target_i386::Scan::global): Likewise.
10346         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10347         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10348         (Target_x86_64::tls_base_symbol_defined_): New field.
10349         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10350         (Target_x86_64::Scan::global): Likewise.
10351
10352 2008-04-16  Cary Coutant  <ccoutant@google.com>
10353
10354         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10355         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10356         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10357         building shared libraries.
10358         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10359         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10360         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10361         * testsuite/Makefile.in: Rebuild.
10362         * testsuite/weak_undef.h: New file.
10363         * testsuite/weak_undef_file1.cc: Add extra test cases.
10364         * testsuite/weak_undef_file2.cc: Likewise.
10365         * testsuite/weak_undef_test.cc: Likewise.
10366
10367 2008-04-16  David S. Miller  <davem@davemloft.net>
10368
10369         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10370         Add issued_non_pic_error_ field.  Declare check_non_pic.
10371         (Target_sparc::Scan::check_non_pic): New function.
10372         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10373         (Target_sparc::Scan::global): Likewise.
10374
10375         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10376         * configure: Rebuild.
10377
10378         * options.h (DEFINE_enable): New macro.
10379         (new_dtags): New enable option.
10380         (initfirst, interpose, loadfltr, nodefaultlib,
10381         nodelete, nodlopen, nodump): New -z options.
10382         * layout.cc (Layout:finish_dynamic_section): If new
10383         dtags enabled, emit DT_RUNPATH.  Also, emit a
10384         DT_FLAGS_1 containing any specified -z flags.
10385
10386 2008-04-16  Ian Lance Taylor  <iant@google.com>
10387
10388         * copy-relocs.cc: New file.
10389         * copy-relocs.h: New file.
10390         * reloc.cc: Remove Copy_relocs code.
10391         * reloc.h: Likewise.
10392         * reloc-types.h (struct Reloc_types) [both versions]: Add
10393         get_reloc_addend_noerror.
10394         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10395         variants of add_global which take an addend which must be zero.
10396         * i386.cc: Include "copy-relocs.h".
10397         (class Target_i386): Change type of copy_relocs_ to variable,
10398         update initializer.
10399         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10400         Change all callers.
10401         (Target_i386::do_finalize_sections): Change handling of
10402         copy_relocs_.
10403         * sparc.cc: Include "copy-relocs.h".
10404         (class Target_sparc): Change type of copy_relocs_ to variable,
10405         update initializer.
10406         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10407         Change all callers.
10408         (Target_sparc::do_finalize_sections): Change handling of
10409         copy_relocs_.
10410         * x86_64.cc: Include "copy-relocs.h".
10411         (class Target_x86_64): Change type of copy_relocs_ to variable,
10412         update initializer.
10413         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10414         class.  Change all callers.
10415         (Target_x86_64::do_finalize_sections): Change handling of
10416         copy_relocs_.
10417         * Makefile.am (CCFILES): Add copy-relocs.cc.
10418         (HFILES): Add copy-relocs.h.
10419
10420         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10421
10422         * testsuite/script_test_4.sh: Permit leading zeroes.
10423
10424 2008-04-15  Ian Lance Taylor  <iant@google.com>
10425
10426         * script-sections.cc (Script_sections::create_segments): Use
10427         header_size_adjustment even when there is enough room for the
10428         headers.
10429         * testsuite/script_test_4.sh: New file.
10430         * testsuite/script_test_4.t: New file.
10431         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10432         (check_DATA): Add script_test_4.stdout.
10433         (MOSTLYCLEANFILES): Likewise.
10434         (script_test_4): New target.
10435         (script_test_4.stdout): New target.
10436         * testsuite/Makefile.in: Rebuild.
10437
10438         * sparc.cc: Add definitions for Output_data_plt_sparc class
10439         constants.
10440
10441 2008-04-14  David S. Miller  <davem@davemloft.net>
10442
10443         * sparc.cc: New file.
10444         * Makefile.am (TARGETSOURCES): Add sparc.cc
10445         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10446         * configure.tgt: Document targ_extra_size and
10447         targ_extra_big_endian.  Add entries for sparc-* and
10448         sparc64-*.
10449         * configure.ac: Handle targ_extra_size and
10450         targ_extra_big_endian.
10451         * Makefile.in: Rebuild.
10452         * configure: Likewise.
10453         * po/POTFILES.in: Likewise.
10454         * po/gold.pot: Likewise.
10455
10456 2008-04-14  Ian Lance Taylor  <iant@google.com>
10457
10458         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10459         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10460         in the name/type/flags to section mapping.  Don't call
10461         allocate_output_section.
10462         (Layout::choose_output_section): Change parameter from adjust_name
10463         to is_input_section.  Don't permit input sections after sections
10464         are attached to segments.  Don't call allocate_output_section.
10465         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10466         not write_enable_output_section.
10467         (Layout::make_output_section): Don't push to
10468         unattached_section_list_ nor call attach_to_segment.  Call
10469         attach_section_to_segment if sections are attached.
10470         (Layout::attach_sections_to_segments): New function.
10471         (Layout::attach_section_to_segment): New function.
10472         (Layout::attach_allocated_section_to_segment): Rename from
10473         attach_to_segment.  Remove flags parameter.
10474         (Layout::allocate_output_section): Remove function.
10475         (Layout::write_enable_output_section): Remove function.
10476         * layout.h (class Layout): Update for above changes.  Add new
10477         field sections_are_attached_.
10478         * output.h (Output_section::update_flags_for_input_section): New
10479         function.
10480         * output.cc (Output_section::add_input_section): Call
10481         update_flags_for_input_section.
10482         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10483
10484 2008-04-11  Cary Coutant  <ccoutant@google.com>
10485
10486         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10487         thought unnecessary.
10488         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10489
10490 2008-04-11  Ian Lance Taylor  <iant@google.com>
10491
10492         * output.h (class Output_section_data): Remove inline definition
10493         of set_addralign.
10494         * output.cc (Output_section_data::set_addralign): New function.
10495
10496 2008-04-11  Cary Coutant  <ccoutant@google.com>
10497
10498         Add support for TLS descriptors for i386 and x86_64.
10499         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10500         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10501         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10502         GOT_TYPE_TLS_DESC.
10503         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10504         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10505         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10506         relocations.
10507         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10508         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10509         Fix problem with initial-exec relocations.
10510         (Target_i386::Relocate::relocate_tls): Likewise.
10511         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10512         relaxation.
10513         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10514         support for section-plus-offset dynamic table entries.
10515         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10516         (Output_data_dynamic::Dynamic_entry): Add support for
10517         section-plus-offset dynamic table entries.
10518         (Output_data_dynamic::Classification): Likewise.
10519         (Output_data_dynamic::classification_): Renamed offset_.
10520         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10521         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10522         (Target_x86_64::make_plt_section): New function.
10523         (Target_x86_64::reserve_tlsdesc_entries): New function.
10524         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10525         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10526         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10527         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10528         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10529         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10530         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10531         add extra PLT entry for TLS descriptors.
10532         (Output_data_plt_x86_64::got_): New field.
10533         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
10534         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
10535         fields.
10536         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
10537         descriptors.
10538         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
10539         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
10540         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
10541         R_386_TLS_DESC_CALL relocations.
10542         (Target_x86_64::Scan::global): Likewise.
10543         (Target_x86_64::do_finalize_sections): Add dynamic table entries
10544         for TLS descriptors.
10545         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
10546         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
10547         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
10548         GD-to-IE relaxation.
10549         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
10550         and TLS_DESCRIPTORS.
10551         * Makefile.in: Rebuild.
10552         * configure: Rebuild.
10553         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
10554         (tls_test_shared2.so): New target.
10555         (tls_shared_gd_to_ie_test_SOURCES): New variable.
10556         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
10557         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
10558         (tls_shared_gd_to_ie_test_LDADD): New variable.
10559         (tls_shared_gnu2_gd_to_ie_test): New target.
10560         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
10561         New targets.
10562         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
10563         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
10564         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
10565         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
10566         (tls_shared_gnu2_test): New target.
10567         (tls_test_gnu2_shared.so): New target.
10568         (tls_shared_gnu2_test_SOURCES): New variable.
10569         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
10570         (tls_shared_gnu2_test_LDFLAGS): New variable.
10571         (tls_shared_gnu2_test_LDADD): New variable.
10572         * testsuite/Makefile.in: Rebuild.
10573         * testsuite/Makefile.
10574
10575 2008-04-11  Ian Lance Taylor  <iant@google.com>
10576
10577         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
10578         justsyms.t.
10579         * testsuite/Makefile.in: Rebuild.
10580
10581         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
10582         long.
10583         * testsuite/script_test_2.cc (main): Adjust test.
10584
10585 2008-04-11  David S. Miller  <davem@davemloft.net>
10586             Ian Lance Taylor  <iant@google.com>
10587
10588         * options.h (General_options): Add entries for '-Y' and
10589         '-relax'.
10590         * options.cc (General_options:finalize): If -Y was used, add those
10591         entries to the library path instead of the default "/lib" and
10592         "/usr/lib".
10593
10594 2008-04-11  David S. Miller  <davem@davemloft.net>
10595
10596         * testsuite/justsyms.t: Start at 0x100.
10597         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
10598         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
10599         long.
10600         * testsuite/script_test_2.cc: Adjust string and section length
10601         checks.
10602
10603 2008-04-09  Ian Lance Taylor  <iant@google.com>
10604
10605         PR gold/5996
10606         * script-sections.cc (Sections_element::allocate_to_segment): Add
10607         orphan parameter.
10608         (Output_section_definition::allocate_to_segment): Likewise.
10609         (Orphan_output_section::allocate_to_segment): Likewise.
10610         (Script_sections::attach_sections_using_phdrs_clause): Don't
10611         propagate non-PT_LOAD segments to orphan sections.
10612         * testsuite/Makefile.am (script_test_3.stdout): Generate using
10613         readelf rather than objdump.
10614         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
10615         .interp section and PT_INTERP segment are the same size.
10616         * testsuite/Makefile.in: Rebuild.
10617
10618         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
10619         aliases for symbols defined in the same object.
10620         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
10621         (weak_alias_test_SOURCES): New variable.
10622         (weak_alias_test_DEPENDENCIES): New variable.
10623         (weak_alias_test_LDFLAGS): New variable.
10624         (weak_alias_test_LDADD): New variable.
10625         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
10626         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
10627         (weak_alias_test_3.o): New target.
10628         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
10629         * testsuite/weak_alias_test_main.cc: New file.
10630         * testsuite/weak_alias_test_1.cc: New file.
10631         * testsuite/weak_alias_test_2.cc: New file.
10632         * testsuite/weak_alias_test_3.cc: New file.
10633
10634 2008-04-08  Ian Lance Taylor  <iant@google.com>
10635
10636         * options.h (class General_options): Add --noinhibit-exec option.
10637         * main.cc (main): Check --noinhibit-exec.
10638
10639         * options.h (class General_options): Define --wrap as a special
10640         option.  Add wrap_symbols_ field.
10641         (General_options::any_wrap_symbols): New function.
10642         (General_options::is_wrap_symbol): New function.
10643         * options.cc (General_options::parse_wrap): New function.
10644         (General_options::General_options): Initialize wrap_symbols_.
10645         * symtab.cc (Symbol_table::wrap_symbol): New function.
10646         (Symbol_table::add_from_object): Handle --wrap.
10647         * symtab.h (class Symbol_table): Declare wrap_symbol.
10648         * target.h (Target::wrap_char): New function.
10649         (Target::Target_info): Add wrap_char field.
10650         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
10651         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10652         * testsuite/testfile.cc (Target_test::test_target_info):
10653         Likewise.
10654
10655         * errors.cc (Errors::undefined_symbol): Mention symbol version if
10656         there is one.
10657
10658         * layout.h (class Layout): Add added_eh_frame_data_ field.
10659         * layout.cc (Layout::Layout): Initialize new field.
10660         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
10661         output section until we find a section we merged successfully.
10662         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
10663         that the size be non-zero.
10664
10665         * merge.cc (Object_merge_map::get_output_offset): Remove inline
10666         qualifier.
10667
10668 2008-04-08  Craig Silverstein  <csilvers@google.com>
10669
10670         * configure.ac: Export new conditional variable HAVE_ZLIB.
10671         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
10672         on HAVE_ZLIB.
10673         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
10674         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10675
10676 2008-04-07  Ian Lance Taylor  <iant@google.com>
10677
10678         * version.cc (version_string): Set to "1.5".
10679
10680         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
10681         Add issued_non_pic_error_ field.  Declare check_non_pic.
10682         (Target_x86_64::Scan::check_non_pic): New function.
10683         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
10684         (Target_x86_64::Scan::global): Likewise.
10685
10686         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
10687         addend parameter.  Change caller.  Handle merge sections.
10688         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
10689         Address to Addend.  Don't add in the result of
10690         local_section_offset, pass down the addend and use the returned
10691         value.
10692         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10693         Update declarations of local_section_offset and symbol_value.
10694         * testsuite/two_file_test_1.cc (t18): New function.
10695         * testsuite/two_file_test_2.cc (f18): New function.
10696         * testsuite/two_file_test_main.cc (main): Call t18.
10697         * testsuite/two_file_test.h (t18, f18): Declare.
10698
10699         * configure.ac: Don't test for objdump, c++filt, or readelf.
10700         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10701         conditionals.
10702         (TEST_READELF): New variable.
10703         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10704         (check_PROGRAMS): Add two_file_strip_test.
10705         (two_file_strip_test): New target.
10706         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10707         (two_file_same_shared_strip_test_SOURCES): New variable.
10708         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10709         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10710         (two_file_same_shared_strip_test_LDADD): New variable.
10711         (two_file_shared_strip.so): New target.
10712         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10713         (ver_test_5.syms, ver_test_7.syms): Likewise.
10714         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10715         (strip_test_3.stdout): Use TEST_OBJDUMP.
10716         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10717
10718 2008-04-04  Cary Coutant  <ccoutant@google.com>
10719
10720         * symtab.h (Symbol::is_weak_undefined): New function.
10721         (Symbol::is_strong_undefined): New function.
10722         (Symbol::is_absolute): New function.
10723         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10724         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10725         absolute symbols.
10726         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10727         (weak_undef_test): New target.
10728         * testsuite/Makefile.in: Rebuild.
10729         * testsuite/weak_undef_file1.cc: New file.
10730         * testsuite/weak_undef_file2.cc: New file.
10731         * testsuite/weak_undef_test.cc: New file.
10732
10733 2008-04-03  Craig Silverstein  <csilvers@google.com>
10734
10735         * compressed_output.h (class Output_compressed_section): Use
10736         unsigned buffer.
10737         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10738         add zlib header.
10739         (zlib_compressed_suffix): Removed.
10740         (Output_compressed_section::set_final_data_size): Use unsigned
10741         buffers.
10742         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10743         Fix linker invocation.
10744         (flagstest_o_specialfile_and_compress_debug_sections):
10745         Likewise.
10746         * testsuite/Makefile.in: Regenerated.
10747
10748 2008-04-02  David S. Miller  <davem@davemloft.net>
10749
10750         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10751         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10752
10753 2008-04-02  Craig Silverstein  <csilvers@google.com>
10754
10755         * TODO: New file.
10756
10757 2008-04-02  Ian Lance Taylor  <iant@google.com>
10758
10759         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10760         parameters.  Update for new key type to views_.  Change all
10761         callers.
10762         (File_read::read): Adjust for byteshift in returned view.
10763         (File_read::add_view): New function, broken out of
10764         find_and_make_view.
10765         (File_read::make_view): New function, broken out of
10766         find_and_make_view.
10767         (File_read::find_or_make_view): Add offset and aligned
10768         parameters.  Rewrite accordingly.  Change all callers.
10769         (File_read::get_view): Add offset and aligned parameters.  Adjust
10770         for byteshift in return value.
10771         (File_read::get_lasting_view): Likewise.
10772         * fileread.h (class File_read): Update declarations.
10773         (class File_read::View): Add byteshift_ field.  Add byteshift to
10774         constructor.  Add byteshift method.
10775         * archive.h (Archive::clear_uncached_views): New function.
10776         (Archive::get_view): Add aligned parameter.  Change all callers.
10777         * object.h (Object::get_view): Add aligned parameter.  Change all
10778         callers.
10779         (Object::get_lasting_view): Likewise.
10780
10781         * fileread.cc (File_read::release): Don't call clear_views if
10782         there are multiple objects.
10783         * fileread.h (File_read::clear_uncached_views): New function.
10784         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10785         on the archive.
10786
10787 2008-03-31  Cary Coutant  <ccoutant@google.com>
10788
10789         Add thin archive support.
10790         * archive.cc (Archive::armagt): New const.
10791         (Archive::setup): Remove task parameter and calls to unlock.
10792         (Archive::unlock_nested_archives): New function.
10793         (Archive::read_header): Add nested_off parameter. Change
10794         all callers.
10795         (Archive::interpret_header): Likewise.
10796         (Archive::include_all_members): Change to handle thin
10797         archives.
10798         (Archive::include_member): Likewise.
10799         * archive.h (Archive::Archive): Add new parameters and
10800         initializers.
10801         (Archive::armagt): New const.
10802         (Archive::setup): Remove task parameter.
10803         (Archive::unlock_nested_archives): New function.
10804         (Archive::read_header): Add nested_off parameter.
10805         (Archive::interpret_header): Likewise.
10806         (Archive::Nested_archive_table): New typedef.
10807         (Archive::is_thin_archive_): New field.
10808         (Archive::nested_archives_): New field.
10809         (Archive::options_): New field.
10810         (Archive::dirpath_): New field.
10811         (Archive::task_): New field.
10812         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10813         for thin archives.  Pass additional parameters to
10814         Archive::Archive.  Unlock the archive file after calling
10815         Archive::setup.
10816
10817 2008-03-29  Ian Lance Taylor  <iant@google.com>
10818
10819         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10820         version symbol to be local.
10821         * testsuite/ver_test_4.sh: New file.
10822         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10823         (check_DATA): Add ver_test_4.syms.
10824         (ver_test_4.syms): New target.
10825         * testsuite/Makefile.in: Rebuild.
10826
10827         * output.cc
10828         (Output_section::Input_section_sort_entry::has_priority): New
10829         function.
10830         (Output_section::Input_section_sort_entry::match_file_name): New
10831         function.
10832         (Output_section::Input_section_sort_entry::match_section_name):
10833         Remove.
10834         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10835         Remove.
10836         (Output_section::Input_section_sort_entry::match_section_file):
10837         Remove.
10838         (Output_section::Input_section_sort_compare::operator()): Rewrite
10839         using new Input_section_sort_entry functions.  Sort crtbegin and
10840         crtend first.  Sort sections with no priority before sections with
10841         a priority.
10842         * testsuite/initpri1.c (d3): Check j != 4.
10843         (cd5): New constructor/destructor function.
10844         (main): Check j != 2.
10845
10846         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10847         new symbol when resolving, don't call set_is_default.
10848         * testsuite/ver_test_7.cc: New file.
10849         * testsuite/ver_test_7.sh: New file.
10850         * testsuite/Makefile.am (ver_test_7.so): New target.
10851         (ver_test_7.o): New target.
10852         (check_SCRIPTS): Add ver_test_7.sh.
10853         (check_DATA): Add ver_test_7.syms.
10854         (ver_test_7.syms): New target.
10855
10856 2008-03-28  Ian Lance Taylor  <iant@google.com>
10857
10858         * layout.cc (Layout::layout): If we see an input section with a
10859         name that needs sorting, set the must_sort flag for the output
10860         section.
10861         (Layout::make_output_section): If the name of the output section
10862         indicates that it might require sorting, set the may_sort flag.
10863         * output.h (Output_section::may_sort_attached_input_sections): New
10864         function.
10865         (Output_section::set_may_sort_attached_input_sections): New
10866         function.
10867         (Output_section::must_sort_attached_input_sections): New
10868         function.
10869         (Output_section::set_must_sort_attached_input_sections): New
10870         function.
10871         (class Output_section): Declare Input_section_sort_entry.  Define
10872         Input_section_sort_compare.  Declare
10873         sort_attached_input_sections.  Add new fields:
10874         may_sort_attached_input_sections_,
10875         must_sort_attached_input_sections_,
10876         attached_input_sections_are_sorted_.
10877         * output.cc (Output_section::Output_section): Initialize new
10878         fields.
10879         (Output_section::add_input_section): Add an entry to
10880         input_sections_ if may_sort or must_sort are true.
10881         (Output_section::set_final_data_size): Call
10882         sort_attached_input_sections if necessary.
10883         (Output_section::Input_section_sort_entry): Define new class.
10884         (Output_section::Input_section_sort_compare::operator()): New
10885         function.
10886         (Output_section::sort_attached_input_sections): New function.
10887         * configure.ac: Check whether the compiler supports constructor
10888         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10889         * testsuite/initpri1.c: New file.
10890         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10891         CONSTRUCTOR_PRIORITY.
10892         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10893         (initpri1_LDFLAGS): New variable.
10894         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10895
10896 2008-03-27  Ian Lance Taylor  <iant@google.com>
10897
10898         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10899         * testsuite/common_test_1.c: New file.
10900         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10901         (common_test_1_SOURCES): New variable.
10902         (common_test_1_DEPENDENCIES): New variable.
10903         (common_test_1_LDFLAGS): New variable.
10904
10905         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10906         and commons_ correctly when NAME/VERSION does not override
10907         NAME/NULL.
10908         * testsuite/ver_test_6.c: New file.
10909         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10910         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10911         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10912
10913 2008-03-26  Ian Lance Taylor  <iant@google.com>
10914
10915         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10916         of an undefined symbol from a version script.
10917         * testsuite/Makefile.am (ver_test_5.so): New target.
10918         (ver_test_5.o): New target.
10919         (check_SCRIPTS): Add ver_test_5.sh.
10920         (check_DATA): Add ver_test_5.syms.
10921         (ver_test_5.syms): New target.
10922         * testsuite/ver_test_5.cc: New file.
10923         * testsuite/ver_test_5.script: New file.
10924         * testsuite/ver_test_5.sh: New file.
10925         * Makefile.in, testsuite/Makefile.in: Rebuild.
10926
10927         PR gold/5986
10928         Fix problems building gold with gcc 4.3.0.
10929         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10930         (gold_error_at_location, gold_warning_at_location): Use it.
10931         * configure.ac: Check whether we can compile and use a template
10932         function with a printf attribute.
10933         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10934         when jumping over bytes.
10935         * object.cc: Instantiate Object::read_section_data.
10936         * debug.h: Include <cstring>
10937         * dwarf_reader.cc: Include <algorithm>
10938         * main.cc: Include <cstring>.
10939         * options.cc: Include <cstring>.
10940         * output.cc: Include <cstring>.
10941         * script.cc: Include <cstring>.
10942         * script.h: Include <string>.
10943         * symtab.cc: Include <cstring> and <algorithm>.
10944         * target-select.cc: Include <cstring>.
10945         * version.cc: Include <string>.
10946         * testsuite/testmain.cc: Include <cstdlib>.
10947         * configure, config.in: Rebuild.
10948
10949 2008-03-25  Ian Lance Taylor  <iant@google.com>
10950
10951         * options.cc: Include "../bfd/bfdver.h".
10952         (options::help): Print bug reporting address.
10953
10954         * version.cc (print_version): Adjust output for current value of
10955         BFD_VERSION_STRING.
10956
10957         * NEWS: New file.
10958
10959         * options.cc (options::help): Print list of supported targets.
10960         * target-select.h: Include <vector>.
10961         (class Target_selector): Make machine_, size_, and is_big_endian_
10962         fields const.  Add bfd_name_ and instantiated_target_ fields.
10963         (Target_selector::Target_selector): Add bfd_name parameter.
10964         (Target_selector::recognize): Make non-virtual, call
10965         do_recognize.
10966         (Target_selector::recognize_by_name): Make non-virtual, call
10967         do_recognize_by_name.
10968         (Target_selector::supported_names): New function.
10969         (Target_selector::bfd_name): New function.
10970         (Target_selector::do_instantiate_target): New pure virtual
10971         function.
10972         (Target_selector::do_recognize): New virtual function.
10973         (Target_selector::do_recognize_by_name): New virtual function.
10974         (Target_selector::instantiate_target): New private function.
10975         (supported_target_names): Declare.
10976         * target-select.cc (Target_selector::Target_selector): Update for
10977         new parameter and fields.
10978         (select_target_by_name): Check that the name matches before
10979         calling recognize_by_name.
10980         (supported_target_names): New function.
10981         * i386.cc (class Target_selector_i386): Update Target_selector
10982         constructor call.  Remove recognize and recognize_by_name.  Add
10983         do_instantiate_target.
10984         * x86_64.cc (class Target_selector_x86_64): Likewise.
10985         * testsuite/testfile.cc (class Target_selector_test): Update for
10986         changes to Target_selector.
10987
10988         * README: Rewrite, with some notes on unsupported features.
10989
10990 2008-03-24  Cary Coutant  <ccoutant@google.com>
10991
10992         * i386.cc (Target_i386::Got_type): New enum declaration.
10993         (Target_i386::Scan::local): Updated callers of Output_data_got
10994         member functions.
10995         (Target_i386::Scan::global): Likewise.
10996         (Target_i386::Relocate::relocate): Likewise.
10997         (Target_i386::Relocate::relocate_tls): Likewise.
10998         * object.h (Got_offset_list): New class.
10999         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11000         (Sized_relobj::local_got_offset): Likewise.
11001         (Sized_relobj::set_local_got_offset): Likewise.
11002         (Sized_relobj::local_has_tls_got_offset): Removed.
11003         (Sized_relobj::local_tls_got_offset): Removed.
11004         (Sized_relobj::set_local_tls_got_offset): Removed.
11005         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11006         * output.cc (Output_data_got::add_global): Added got_type parameter.
11007         (Output_data_got::add_global_with_rel): Likewise.
11008         (Output_data_got::add_global_with_rela): Likewise.
11009         (Output_data_got::add_global_pair_with_rel): New function.
11010         (Output_data_got::add_global_pair_with_rela): New function.
11011         (Output_data_got::add_local): Added got_type parameter.
11012         (Output_data_got::add_local_with_rel): Likewise.
11013         (Output_data_got::add_local_with_rela): Likewise.
11014         (Output_data_got::add_local_pair_with_rel): New function.
11015         (Output_data_got::add_local_pair_with_rela): New function.
11016         (Output_data_got::add_global_tls): Removed.
11017         (Output_data_got::add_global_tls_with_rel): Removed.
11018         (Output_data_got::add_global_tls_with_rela): Removed.
11019         (Output_data_got::add_local_tls): Removed.
11020         (Output_data_got::add_local_tls_with_rel): Removed.
11021         (Output_data_got::add_local_tls_with_rela): Removed.
11022         * output.h (Output_data_got::add_global): Added got_type parameter.
11023         (Output_data_got::add_global_with_rel): Likewise.
11024         (Output_data_got::add_global_with_rela): Likewise.
11025         (Output_data_got::add_global_pair_with_rel): New function.
11026         (Output_data_got::add_global_pair_with_rela): New function.
11027         (Output_data_got::add_local): Added got_type parameter.
11028         (Output_data_got::add_local_with_rel): Likewise.
11029         (Output_data_got::add_local_with_rela): Likewise.
11030         (Output_data_got::add_local_pair_with_rel): New function.
11031         (Output_data_got::add_local_pair_with_rela): New function.
11032         (Output_data_got::add_global_tls): Removed.
11033         (Output_data_got::add_global_tls_with_rel): Removed.
11034         (Output_data_got::add_global_tls_with_rela): Removed.
11035         (Output_data_got::add_local_tls): Removed.
11036         (Output_data_got::add_local_tls_with_rel): Removed.
11037         (Output_data_got::add_local_tls_with_rela): Removed.
11038         * resolve.cc (Symbol::override_base_with_special): Removed
11039         reference to has_got_offset_ field.
11040         * symtab.cc (Symbol::init_fields): Replaced initialization
11041         of got_offset_ with got_offsets_.  Removed initialization
11042         of has_got_offset_
11043         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11044         (Symbol::got_offset): Likewise.
11045         (Symbol::set_got_offset): Likewise.
11046         (Symbol::has_tls_got_offset): Removed.
11047         (Symbol::tls_got_offset): Removed.
11048         (Symbol::set_tls_got_offset): Removed.
11049         (Symbol::got_offset_): Removed.
11050         (Symbol::tls_mod_got_offset_): Removed.
11051         (Symbol::tls_pair_got_offset_): Removed.
11052         (Symbol::got_offsets_): New field.
11053         (Symbol::has_got_offset): Removed.
11054         (Symbol::has_tls_mod_got_offset): Removed.
11055         (Symbol::has_tls_pair_got_offset): Removed.
11056         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11057         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11058         member functions.
11059         (Target_x86_64::Scan::global): Likewise.
11060         (Target_x86_64::Relocate::relocate): Likewise.
11061         (Target_x86_64::Relocate::relocate_tls): Likewise.
11062
11063 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11064
11065         * yyscript.y: Fix spelling error in comment.
11066
11067 2008-03-24  Ian Lance Taylor  <iant@google.com>
11068
11069         * options.h (class General_options): Define build_id option.
11070         * layout.h (class Layout): Declare write_build_id, create_note,
11071         create_build_id.  Add build_id_note_ member.
11072         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11073         "libiberty.h", "md5.h", "sha1.h".
11074         (Layout::Layout): Initialize eh_frame_data_,
11075         eh_frame_hdr_section_, and build_id_note_.
11076         (Layout::finalize): Call create_build_id.
11077         (Layout::create_note): New function, broken out of
11078         Layout::create_gold_note.
11079         (Layout::create_gold_note): Call create_note.
11080         (Layout::create_build_id): New function.
11081         (Layout::write_build_id): New function.
11082         (Close_task_runner::run): Call write_build_id.
11083
11084         * x86_64.cc: Correct license to GPLv3.
11085
11086 2008-03-23  Ian Lance Taylor  <iant@google.com>
11087
11088         * options.cc: Include "demangle.h".
11089         (parse_optional_string): New function.
11090         (parse_long_option): Handle takes_optional_argument.
11091         (parse_short_option): Update dash_z initializer.  Handle
11092         takes_optional_argument.
11093         (General_options::General_options): Initialize do_demangle_.
11094         (General_options::finalize): Set do_demangle_.  Handle demangling
11095         style.
11096         * options.h (parse_optional_string): Declare.
11097         (struct One_option): Add optional_arg field.  Update constructor.
11098         Update call constructor calls.  Add takes_optional_argument
11099         function.
11100         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11101         (DEFINE_optional_string): Define.
11102         (General_options::demangle): Change from DEFINE_bool to
11103         DEFINE_optional_string.
11104         (General_options::no_demangle): New function.
11105         (General_options::do_demangle): New function.
11106         (General_options::set_do_demangle): New function.
11107         (General_options::execstack_status_): Move definition to end of
11108         class definition.
11109         (General_options::static_): Likewise.
11110         (General_options::do_demangle_): New field.
11111         * object.cc (big_endian>::get_symbol_location_info): Call
11112         Options::do_demangle, not Options::demangle.
11113         * symtab.cc (demangle): Likewise.
11114
11115 2008-03-22  Ian Lance Taylor  <iant@google.com>
11116
11117         * gold.h: Include <cstddef> and <sys/types.h>
11118         * options.h: Include <cstring>.
11119
11120 2008-03-21  Ian Lance Taylor  <iant@google.com>
11121
11122         * Added source code to GNU binutils.