9ade99735a2afe423413951143cc139ccbecae55
[platform/upstream/binutils.git] / gold / ChangeLog
1 2011-06-17  Ian Lance Taylor  <iant@google.com>
2
3         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
4         when making a shared library.
5
6 2011-06-17  Ian Lance Taylor  <iant@google.com>
7
8         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
9         parameter.  Change all callers.  Don't issue warning about PC32
10         against locally defined symbol.
11
12 2011-06-16  Ian Lance Taylor  <iant@google.com>
13
14         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
15         occurs in same object.
16
17 2011-06-14  Alan Modra  <amodra@gmail.com>
18
19         * po/POTFILES.in: Regenerate.
20
21 2011-06-09  Ian Lance Taylor  <iant@google.com>
22
23         * script-sections.cc
24         (Orphan_output_section::set_section_addresses): For a relocatable
25         link set address to 0.
26
27 2011-06-09  Cary Coutant  <ccoutant@google.com>
28
29         PR gold/12804
30         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
31         used with --compress-debug-sections.
32         * gold/object.cc (Sized_relobj_file::do_layout): Report
33         uncompressed size of compressed input sections.
34
35 2011-06-08  Cary Coutant  <ccoutant@google.com>
36
37         PR gold/12804
38         * testsuite/two_file_test_2_v1.cc: Change initialization of
39         v2 to keep it in .data.
40
41 2011-06-07  Cary Coutant  <ccoutant@google.com>
42
43         * common.cc (Symbol_table::do_allocate_commons_list): Call
44         gold_fallback.
45         * errors.cc (Errors::fatal): Adjust call to gold_exit.
46         (Errors::fallback): New function.
47         (gold_fallback): New function.
48         * errors.h (Errors::fallback): New function.
49         * gold.cc (gold_exit): Change status parameter to enum; adjust
50         all callers.
51         (queue_initial_tasks): Call gold_fallback.
52         * gold.h: Include cstdlib.
53         (Exit_status): New enum type.
54         (gold_exit): Change status parameter to enum.
55         (gold_fallback): New function.
56         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
57         (Layout::create_symtab_sections): Likewise.
58         (Layout::create_shdrs): Likewise.
59         * main.cc (main): Adjust call to gold_exit.
60         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
61         (Output_data_got::add_got_entry_pair): Likewise.
62         (Output_section::add_input_section): Likewise.
63         (Output_section::add_output_section_data): Likewise.
64         (Output_segment::set_section_list_addresses): Likewise.
65         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
66
67 2011-06-07  Cary Coutant  <ccoutant@google.com>
68
69         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
70         for incremental links.
71         * output.cc (Output_segment::set_section_list_addresses): Remove
72         FIXME and test for TLS or BSS.
73
74 2011-06-07  Cary Coutant  <ccoutant@google.com>
75
76         * testsuite/Makefile.am: Add incremental_copy_test,
77         incremental_common_test_1.
78         * testsuite/Makefile.in: Regenerate.
79         * testsuite/common_test_1_v1.c: New source file.
80         * testsuite/common_test_1_v2.c: New source file.
81         * testsuite/copy_test_v1.cc: New source file.
82
83 2011-06-07  Cary Coutant  <ccoutant@google.com>
84
85         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
86         update, allocate common from bss section's free list.
87         * incremental-dump.cc (dump_incremental_inputs): Print flag for
88         linker-defined symbols.
89         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
90         Skip GOT and PLT entries that are no longer referenced.
91         (Output_section_incremental_inputs::write_info_blocks): Mark
92         linker-defined symbols.
93         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
94         * output.cc (Output_section::allocate): New function.
95         * output.h (Output_section::allocate): New function.
96         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
97         linker-defined symbols.
98         (Symbol::override_base_with_special): Copy is_predefined_ flag.
99         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
100         (Symbol::init_base_output_data): Likewise.
101         (Symbol::init_base_output_segment): Likewise.
102         (Symbol::init_base_constant): Likewise.
103         (Sized_symbol::init_output_data): Likewise.
104         (Sized_symbol::init_output_segment): Likewise.
105         (Sized_symbol::init_constant): Likewise.
106         (Symbol_table::do_define_in_output_data): Likewise.
107         (Symbol_table::do_define_in_output_segment): Likewise.
108         (Symbol_table::do_define_as_constant): Likewise.
109         * symtab.h (Symbol::is_predefined): New function.
110         (Symbol::init_base_output_data): Add is_predefined parameter.
111         (Symbol::init_base_output_segment): Likewise.
112         (Symbol::init_base_constant): Likewise.
113         (Symbol::is_predefined_): New data member.
114         (Sized_symbol::init_output_data): Add is_predefined parameter.
115         (Sized_symbol::init_output_segment): Likewise.
116         (Sized_symbol::init_constant): Likewise.
117         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
118
119 2011-06-07  Cary Coutant  <ccoutant@google.com>
120
121         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
122         instead of emit_copy_reloc.
123         (Copy_relocs::emit_copy_reloc): Refactor.
124         (Copy_relocs::make_copy_reloc): New function.
125         (Copy_relocs::add_copy_reloc): Remove.
126         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
127         section.
128         (Copy_relocs::make_copy_reloc): New function.
129         (Copy_relocs::add_copy_reloc): Remove.
130         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
131         unchanged input files.
132         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
133         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
134         Reserve BSS space for COPY relocations.
135         (Sized_incremental_binary::do_emit_copy_relocs): New function.
136         (Output_section_incremental_inputs::write_info_blocks): Record
137         whether a symbol is copied from a shared object.
138         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
139         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
140         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
141         (Incremental_input_entry_reader::get_output_symbol_index): Add
142         is_copy parameter.
143         (Incremental_binary::emit_copy_relocs): New function.
144         (Incremental_binary::do_emit_copy_relocs): New function.
145         (Sized_incremental_binary::Sized_incremental_binary): Initialize
146         new data member.
147         (Sized_incremental_binary::add_copy_reloc): New function.
148         (Sized_incremental_binary::do_emit_copy_relocs): New function.
149         (Sized_incremental_binary::Copy_reloc): New struct.
150         (Sized_incremental_binary::Copy_relocs): New typedef.
151         (Sized_incremental_binary::copy_relocs_): New data member.
152         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
153         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
154         * target.h (Sized_target::emit_copy_reloc): New function.
155         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
156
157 2011-06-02  Cary Coutant  <ccoutant@google.com>
158
159         PR gold/12163
160         * gold/archive.cc (Archive::Archive): Initialize new data member.
161         (Archive::include_all_members): Return if archive has already been
162         included.
163         * gold/archive.h (Archive::include_all_members_): New data member.
164
165 2011-06-02  Nick Clifton  <nickc@redhat.com>
166
167         * dynobj.h: Fix spelling mistake in comment.
168         * output.cc: Likewise.
169
170 2011-05-31  Doug Kwan  <dougkwan@google.com>
171             Asier Llano
172
173         PR gold/12826
174         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
175         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
176         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
177         redundant arm_exidx_test.so.
178         * testsuite/Makefile.in: Regenerate.
179         (check_SCRIPTS): Add pr12826.sh
180         (check_DATA): Add pr12826.stdout
181         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
182         * testsuite/pr12826.sh: New file.
183         * testsuite/pr12826_1.s: Ditto.
184         * testsuite/pr12826_1.s: Ditto.
185
186 2011-05-30  Ian Lance Taylor  <iant@google.com>
187
188         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
189         sections.
190
191 2011-05-29  Ian Lance Taylor  <iant@google.com>
192
193         PR gold/12804
194         * testsuite/Makefile.am: Use different file name for two_file_test
195         temporary file for each incremental test.
196         * testsuite/Makefile.in: Rebuild.
197
198 2011-05-29  Ian Lance Taylor  <iant@google.com>
199
200         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
201         binary input file is empty.
202
203 2011-05-27  Ian Lance Taylor  <iant@google.com>
204
205         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
206         (ver_test_9.so): Likewise.
207         * testsuite/Makefile.in: Rebuild.
208
209 2011-05-26 Cary Coutant  <ccoutant@google.com>
210
211         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
212         * incremental.cc (Incremental_inputs::report_input_section): Fix
213         comment, indentation.
214         (Incremental_inputs::report_comdat_group): New function.
215         (Output_section_incremental_inputs::set_final_data_size): Adjust size
216         of data for incremental input file entry.
217         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
218         group count, COMDAT group signatures.
219         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
220         an unchanged input file.
221         * incremental.h (Incremental_object_entry::Incremental_object_entry):
222         Initialize new data member.
223         (Incremental_object_entry::add_comdat_group): New function.
224         (Incremental_object_entry::get_comdat_group_count): New function.
225         (Incremental_object_entry::get_comdat_signature_key): New function.
226         (Incremental_object_entry::groups_): New data member.
227         (Incremental_inputs::report_comdat_group): New function.
228         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
229         data for incremental input file entry.
230         (Incremental_input_entry_reader::get_comdat_group_count): New function.
231         (Incremental_input_entry_reader::get_input_section): Adjust size of
232         data for incremental input file entry.
233         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
234         (Incremental_input_entry_reader::get_comdat_group_signature): New
235         function.
236         * object.cc (Sized_relobj::include_section_group): Report kept
237         COMDAT groups for incremental links.
238
239 2011-05-24  David Meyer  <pdox@google.com>
240
241         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
242         with name parameter.  Add found_name parameter.
243         * fileread.cc (Input_file::find_file): Adjust code accordingly.
244         * dirsearch.h (class Dirsearch): Update declaration.
245
246 2011-05-24  Ian Lance Taylor  <iant@google.com>
247
248         * archive.cc (Library_base::should_include_member): Pull in object
249         from archive if it defines the entry symbol.
250         * parameters.cc (Parameters::entry): New function.
251         * parameters.h (class Parameters): Declare entry.
252         * output.h (class Output_file_header): Remove entry_ field.
253         * output.cc (Output_file_header::Output_file_header): Remove entry
254         parameter.  Change all callers.
255         (Output_file_header::entry): Use parameters->entry.
256         * gold.cc (queue_middle_tasks): Likewise.
257         * plugin.cc (Plugin_hook::run): Likewise.
258
259 2011-05-24 Cary Coutant  <ccoutant@google.com>
260
261         * gold.cc (queue_initial_tasks): Pass incremental base filename
262         to Output_file::open_base_file; don't print error message.
263         * incremental-dump.cc (main): Adjust call to
264         Output_file::open_for_modification.
265         * incremental-dump.cc (main): Likewise.
266         * incremental.cc (Incremental_inputs::report_command_line):
267         Ignore --incremental-base option when comparing command lines.
268         Ignore parameter when given as separate argument.
269         * options.h (class General_options): Add --incremental-base.
270         * output.cc (Output_file::Output_file):
271         (Output_file::open_base_file): Add base_name and writable parameters;
272         read base file into new file; print error message here.
273         (Output_file::map_no_anonymous): Add writable parameter; adjust all
274         callers.
275         * output.h (Output_file::open_for_modification): Rename to...
276         (Output_file::open_base_file): ...this; add base_name and
277         writable parameters; adjust all callers.
278         (Output_file::map_no_anonymous): Add writable parameter; adjust all
279         callers.
280         * testsuite/Makefile.am (incremental_test_4): Test
281         --incremental-base.
282         * testsuite/Makefile.in: Regenerate.
283
284 2011-05-24 Cary Coutant  <ccoutant@google.com>
285
286         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
287         incremental_test_4.
288         * testsuite/Makefile.in: Regenerate.
289         * testsuite/two_file_test_1_v1.cc: New test source file.
290         * testsuite/two_file_test_1b_v1.cc: New test source file.
291         * testsuite/two_file_test_2_v1.cc: New test source file.
292
293 2011-05-24 Cary Coutant  <ccoutant@google.com>
294
295         * dynobj.h (Dynobj::do_dynobj): New function.
296         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
297         flag and soname for shared objects.
298         * incremental.cc (Incremental_inputs::report_object): Make
299         either Incremental_object_entry or Incremental_dynobj_entry; add
300         soname to string table.
301         (Incremental_inputs::report_input_section): Add assertion.
302         (Output_section_incremental_inputs::set_final_data_size): Adjust
303         type of input file entry for shared libraries; adjust size of
304         shared library info entry.
305         (Output_section_incremental_inputs::write_input_files): Write
306         as_needed flag for shared libraries.
307         (Output_section_incremental_inputs::write_info_blocks): Adjust type
308         of input file entry for shared libraries; write soname.
309         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
310         soname from incremental info.
311         * incremental.h (enum Incremental_input_flags): Add
312         INCREMENTAL_INPUT_AS_NEEDED.
313         (Incremental_input_entry::Incremental_input_entry): Initialize new
314         data member.
315         (Incremental_input_entry::set_as_needed): New function.
316         (Incremental_input_entry::as_needed): New function.
317         (Incremental_input_entry::do_dynobj_entry): New function.
318         (Incremental_input_entry::as_needed_): New data member.
319         (Incremental_object_entry::Incremental_object_entry): Don't check
320         for shared library.
321         (Incremental_object_entry::do_type): Likewise.
322         (class Incremental_dynobj_entry): New class.
323         (Incremental_input_entry_reader::as_needed): New function.
324         (Incremental_input_entry_reader::get_soname): New function.
325         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
326         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
327         size of shared library info entry.
328         * layout.cc (Layout::finish_dynamic_section): Don't test for 
329         incremental link when adding DT_NEEDED entries.
330         * object.h (Object::Object): Initialize new data member.
331         (Object::dynobj): New function.
332         (Object::set_as_needed): New function.
333         (Object::as_needed): New function.
334         (Object::do_dynobj): New function.
335         (Object::as_needed_): New data member.
336
337 2011-05-24 Cary Coutant  <ccoutant@google.com>
338
339         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
340         info; adjust display of GOT entries.
341         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
342         vector of input objects; remove file_status_.
343         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
344         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
345         got_plt reader; call target hooks to reserve GOT entries.
346         (Output_section_incremental_inputs::set_final_data_size): Adjust size
347         of input file info header and GOT info entry.
348         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
349         relocation info.
350         (Got_plt_view_info::got_descriptor): Remove.
351         (Got_plt_view_info::sym_index): New data member.
352         (Got_plt_view_info::input_index): New data member.
353         (Local_got_offset_visitor::visit): Write input file index.
354         (Global_got_offset_visitor::visit): Write 0 for input file index.
355         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
356         with sym_index and input_index.
357         (Output_section_incremental_inputs::write_got_plt): Adjust size of
358         incremental info GOT entry; replace got_descriptor with input_index.
359         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
360         map from input file index to object.
361         (Sized_relobj_incr::do_layout): Replace direct data member reference
362         with accessor function.
363         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
364         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
365         Adjust size of input file info header.
366         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
367         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
368         (Incremental_input_entry_reader::get_input_section): Adjust size of
369         input file info header.
370         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
371         of incremental info GOT entry.
372         (Incremental_got_plt_reader::get_got_desc): Remove.
373         (Incremental_got_plt_reader::get_got_symndx): New function.
374         (Incremental_got_plt_reader::get_got_input_index): New function.
375         (Sized_incremental_binary::Sized_incremental_binary): Remove
376         file_status_; add input_objects_.
377         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
378         (Sized_incremental_binary::set_file_is_unchanged): Remove.
379         (Sized_incremental_binary::file_is_unchanged): Remove.
380         (Sized_incremental_binary::set_input_object): New function.
381         (Sized_incremental_binary::input_object): New function.
382         (Sized_incremental_binary::file_status_): Remove.
383         (Sized_incremental_binary::input_objects_): New data member.
384         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
385         references.
386         (Sized_relobj_incr::invalid_address): Move to base class.
387         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
388         class.
389         (Sized_relobj_incr::do_output_section_offset): Likewise.
390         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
391         (Sized_relobj_incr::section_offsets_): Likewise.
392         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
393         function.
394         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
395         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
396         with accessor function.
397         (Sized_relobj_file::do_layout): Likewise.
398         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
399         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
400         (Sized_relobj_file::compute_final_local_value): Replace refs to
401         section_offsets_ with accessor function.
402         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
403         * object.h (Relobj::Relobj): Initialize new data members.
404         (Relobj::add_dyn_reloc): New function.
405         (Relobj::first_dyn_reloc): New function.
406         (Relobj::dyn_reloc_count): New function.
407         (Relobj::first_dyn_reloc_): New data member.
408         (Relobj::dyn_reloc_count_): New data member.
409         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
410         references.
411         (Sized_relobj::Address): New typedef.
412         (Sized_relobj::invalid_address): Move here from child class.
413         (Sized_relobj::Sized_relobj): Initialize new data members.
414         (Sized_relobj::sized_relobj): New function.
415         (Sized_relobj::is_output_section_offset_invalid): Move here from
416         child class.
417         (Sized_relobj::get_output_section_offset): Likewise.
418         (Sized_relobj::local_has_got_offset): Likewise.
419         (Sized_relobj::local_got_offset): Likewise.
420         (Sized_relobj::set_local_got_offset): Likewise.
421         (Sized_relobj::do_for_all_local_got_entries): Likewise.
422         (Sized_relobj::clear_got_offsets): New function.
423         (Sized_relobj::section_offsets): Move here from child class.
424         (Sized_relobj::do_output_section_offset): Likewise.
425         (Sized_relobj::do_set_section_offset): Likewise.
426         (Sized_relobj::Local_got_offsets): Likewise.
427         (Sized_relobj::local_got_offsets_): Likewise.
428         (Sized_relobj::section_offsets_): Likewise.
429         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
430         references.
431         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
432         class.
433         (Sized_relobj_file::sized_relobj): New function
434         (Sized_relobj_file::local_has_got_offset): Move to base class.
435         (Sized_relobj_file::local_got_offset): Likewise.
436         (Sized_relobj_file::set_local_got_offset): Likewise.
437         (Sized_relobj_file::get_output_section_offset): Likewise.
438         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
439         (Sized_relobj_file::do_output_section_offset): Likewise.
440         (Sized_relobj_file::do_set_section_offset): Likewise.
441         (Sized_relobj_file::Local_got_offsets): Likewise.
442         (Sized_relobj_file::local_got_offsets_): Likewise.
443         (Sized_relobj_file::section_offsets_): Likewise.
444         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
445         (all constructors).
446         (set_needs_dynsym_index): Convert relobj to derived class pointer.
447         (Output_reloc::get_symbol_index): Likewise.
448         (Output_reloc::local_section_offset): Likewise.
449         (Output_reloc::get_address): Likewise.
450         (Output_reloc::symbol_value): Likewise.
451         (Output_data_got::reserve_slot): Move to class definition.
452         (Output_data_got::reserve_local): New function.
453         (Output_data_got::reserve_slot_for_global): Remove.
454         (Output_data_got::reserve_global): New function.
455         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
456         (all constructors, two instantiations).
457         (Output_reloc::get_relobj): New function (two instantiations).
458         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
459         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
460         (Output_data_reloc::add_global): Adjust type of relobj.
461         (Output_data_reloc::add_global_relative): Likewise.
462         (Output_data_reloc::add_symbolless_global_addend): Likewise.
463         (Output_data_reloc::add_local): Likewise.
464         (Output_data_reloc::add_local_relative): Likewise.
465         (Output_data_reloc::add_symbolless_local_addend): Likewise.
466         (Output_data_reloc::add_local_section): Likewise.
467         (Output_data_reloc::add_output_section): Likewise.
468         (Output_data_reloc::add_absolute): Likewise.
469         (Output_data_reloc::add_target_specific): Likewise.
470         (Output_data_got::reserve_slot): Move definition here.
471         (Output_data_got::reserve_local): New function.
472         (Output_data_got::reserve_global): New function.
473         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
474         section_offsets_ with accessor function.
475         (Sized_relobj_file::write_sections): Likewise.
476         (Sized_relobj_file::do_relocate_sections): Likewise.
477         * target.h (Sized_target::reserve_local_got_entry): New function.
478         (Sized_target::reserve_global_got_entry): New function.
479         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
480         (Target_x86_64::reserve_global_got_entry): New function.
481         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
482
483 2011-05-23 Cary Coutant  <ccoutant@google.com>
484
485         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
486         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
487         bit when checking got_type.
488         * incremental.cc (Sized_incremental_binary::setup_readers):
489         Store symbol table and string table locations; initialize bit vector
490         of file status flags.
491         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
492         unchanged files.
493         (Sized_incremental_binary::do_process_got_plt): New function.
494         (Sized_incremental_binary::get_symtab_view): Use stored locations.
495         (Output_section_incremental_inputs::set_final_data_size): Record
496         file index for each input file.
497         (Output_section_incremental_inputs::write_got_plt): Store file index
498         instead of input entry offset for each GOT entry.
499         * incremental.h
500         (Incremental_input_entry::Incremental_input_entry): Initialize new
501         data member.
502         (Incremental_input_entry::set_offset): Store file index.
503         (Incremental_input_entry::get_file_index): New function.
504         (Incremental_input_entry::file_index_): New data member.
505         (Incremental_binary::process_got_plt): New function.
506         (Incremental_binary::do_process_got_plt): New function.
507         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
508         data members.
509         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
510         (Sized_incremental_binary::set_file_is_unchanged): New function.
511         (Sized_incremental_binary::file_is_unchanged): New function.
512         (Sized_incremental_binary::do_process_got_plt): New function.
513         (Sized_incremental_binary::file_status_): New data member.
514         (Sized_incremental_binary::main_symtab_loc_): New data member.
515         (Sized_incremental_binary::main_strtab_loc_): New data member.
516         * output.cc (Output_data_got::Got_entry::write): Add case
517         RESERVED_CODE.
518         (Output_data_got::add_global): Call add_got_entry.
519         (Output_data_got::add_global_plt): Likewise.
520         (Output_data_got::add_global_with_rel): Likewise.
521         (Output_data_got::add_global_with_rela): Likewise.
522         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
523         (Output_data_got::add_global_pair_with_rela): Likewise.
524         (Output_data_got::add_local): Call add_got_entry.
525         (Output_data_got::add_local_plt): Likewise.
526         (Output_data_got::add_local_with_rel): Likewise.
527         (Output_data_got::add_local_with_rela): Likewise.
528         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
529         (Output_data_got::add_local_pair_with_rela): Likewise.
530         (Output_data_got::reserve_slot): New function.
531         (Output_data_got::reserve_slot_for_global): New function.
532         (Output_data_got::add_got_entry): New function.
533         (Output_data_got::add_got_entry_pair): New function.
534         (Output_section::add_output_section_data): Edit FIXME.
535         * output.h
536         (Output_section_data_build::Output_section_data_build): New
537         constructor with size parameter.
538         (Output_data_space::Output_data_space): Likewise.
539         (Output_data_got::Output_data_got): Initialize new data member; new
540         constructor with size parameter.
541         (Output_data_got::add_constant): Call add_got_entry.
542         (Output_data_got::reserve_slot): New function.
543         (Output_data_got::reserve_slot_for_global): New function.
544         (class Output_data_got::Got_entry): Add RESERVED_CODE.
545         (Output_data_got::add_got_entry): New function.
546         (Output_data_got::add_got_entry_pair): New function.
547         (Output_data_got::free_list_): New data member.
548         * target.h (Sized_target::init_got_plt_for_update): New function.
549         (Sized_target::register_global_plt_entry): New function.
550         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
551         Initialize new data member; call init; add constructor with PLT count.
552         (Output_data_plt_x86_64::init): New function.
553         (Output_data_plt_x86_64::add_relocation): New function.
554         (Output_data_plt_x86_64::reserve_slot): New function.
555         (Output_data_plt_x86_64::free_list_): New data member.
556         (Target_x86_64::init_got_plt_for_update): New function.
557         (Target_x86_64::register_global_plt_entry): New function.
558         (Output_data_plt_x86_64::add_entry): Allocate from free list for
559         incremental updates.
560         (Output_data_plt_x86_64::add_relocation): New function.
561         * testsuite/object_unittest.cc (Object_test): Set default options.
562
563 2011-05-16  Ian Lance Taylor  <iant@google.com>
564
565         * options.h (class General_options): Make -i a synonym for -r.
566
567 2011-05-16  Ian Lance Taylor  <iant@google.com>
568
569         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
570
571 2011-05-10 Cary Coutant  <ccoutant@google.com>
572
573         * object.cc (Sized_relobj::do_count_local_symbols): Check for
574         strip_all (-s).
575
576 2011-05-06  Ian Lance Taylor  <iant@google.com>
577
578         * layout.cc (Layout::layout): If the output section flags change,
579         update the ordering.
580
581 2011-04-25 Cary Coutant  <ccoutant@google.com>
582
583         * incremental-dump.cc (dump_incremental_inputs): Print local
584         symbol info for each input file.
585         * incremental.cc
586         (Output_section_incremental_inputs::set_final_data_size): Add local
587         symbol info to input file entries in incremental info.
588         (Output_section_incremental_inputs::write_info_blocks): Likewise.
589         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
590         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
591         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
592         implementation.
593         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
594         (Sized_incr_relobj::do_relocate): Write the local symbols.
595         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
596         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
597         Adjust size of input file header.
598         (Incremental_inputs_reader::get_local_symbol_offset): New function.
599         (Incremental_inputs_reader::get_local_symbol_count): New function.
600         (Incremental_inputs_reader::get_input_section): Adjust size of input
601         file header.
602         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
603         (Sized_incr_relobj::This): New typedef.
604         (Sized_incr_relobj::sym_size): New const data member.
605         (Sized_incr_relobj::Local_symbol): New struct.
606         (Sized_incr_relobj::do_output_local_symbol_count): New function.
607         (Sized_incr_relobj::do_local_symbol_offset): New function.
608         (Sized_incr_relobj::local_symbol_count_): New data member.
609         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
610         (Sized_incr_relobj::local_symbol_index_): New data member.
611         (Sized_incr_relobj::local_symbol_offset_): New data member.
612         (Sized_incr_relobj::local_dynsym_offset_): New data member.
613         (Sized_incr_relobj::local_symbols_): New data member.
614         * object.h (Relobj::output_local_symbol_count): New function.
615         (Relobj::local_symbol_offset): New function.
616         (Relobj::do_output_local_symbol_count): New function.
617         (Relobj::do_local_symbol_offset): New function.
618         (Sized_relobj::do_output_local_symbol_count): New function.
619         (Sized_relobj::do_local_symbol_offset): New function.
620
621 2011-04-22  Vladimir Simonov  <sv@sw.ru>
622
623         * descriptors.cc (set_close_on_exec): New function.
624         (Descriptors::open): Use set_close_on_exec.
625         * output.cc (S_ISLNK): Define if not defined.
626
627 2011-04-22 Cary Coutant  <ccoutant@google.com>
628
629         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
630         global symbol map.
631         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
632         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
633         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
634         relocations.
635         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
636         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
637         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
638         * incremental.h
639         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
640         function.
641         (Incremental_binary::apply_incremental_relocs): New function.
642         (Incremental_binary::do_apply_incremental_relocs): New function.
643         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
644         data member.
645         (Sized_incremental_binary::add_global_symbol): New function.
646         (Sized_incremental_binary::global_symbol): New function.
647         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
648         (Sized_incremental_binary::symbol_map_): New data member.
649         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
650         * target.h (Sized_target::apply_relocation): New function.
651         * target-reloc.h (apply_relocation): New function.
652         * x86_64.cc (Target_x86_64::apply_relocation): New function.
653
654 2011-04-22  Doug Kwan  <dougkwan@google.com>
655
656         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
657         flag of a SHT_ARM_EXIDX section.
658         * testsuite/Makefile.am (arm_exidx_test): New test rules.
659         * testsuite/Makefile.in: Regenerate.
660         * testsuite/arm_exidx_test.s: New file.
661         * testsuite/arm_exidx_test.sh: Same.
662
663 2011-04-20 Cary Coutant  <ccoutant@google.com>
664
665         PR gold/12689
666         * archive.h (Incremental_archive_entry::Archive_member):
667         Initialize arg_serial_ (second constructor).
668
669 2011-04-17  Ian Lance Taylor  <iant@google.com>
670
671         * object.cc (Relocate_info::location): Simplify location string.
672         * errors.cc (Errors::error_at_location): Don't print program
673         name.
674         (Errors::warning_at_location): Likewise.
675         (Errors::undefined_symbol): Likewise.
676         * testsuite/debug_msg.sh: Update accordingly.
677
678 2011-04-14 Cary Coutant  <ccoutant@google.com>
679
680         * gold/layout.cc (Layout::symtab_section_offset): New function.
681         * gold/layout.h (Layout::symtab_section_offset): New function.
682         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
683
684 2011-04-12  Ian Lance Taylor  <iant@google.com>
685
686         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
687         with MREMAP_MAYMOVE.
688         * output.h (class Output_file): Add map_is_allocated_ field.
689         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
690         not available, provide stubs.  If mremap is not available, #define
691         it to gold_mremap.
692         (MREMAP_MAYMOVE): Define if not defined.
693         (Output_file::Output_file): Initialize map_is_allocated_.
694         (Output_file::resize): Check map_is_allocated_.
695         (Output_file::map_anonymous): If mmap fails, use malloc.
696         (Output_file::unmap): Don't do anything for an anonymous map.
697         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
698         is not available, provide stubs.
699         (File_read::View::~View): Use free rather than delete[].
700         (File_read::make_view): Use malloc rather than new[].  If mmap
701         fails, use malloc.
702         (File_read::find_or_make_view): Use malloc rather than new[].
703         * gold.h: Remove HAVE_REMAP code.
704         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
705         exists.  Rename mremap to gold_mremap.  If mmap is not available
706         don't do anything.
707         * configure, config.in: Rebuild.
708
709 2011-04-11  Ian Lance Taylor  <iant@google.com>
710
711         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
712         initialize local variable v.
713
714 2011-04-11  Cary Coutant  <ccoutant@google.com>
715
716         * archive.cc (Archive::include_member): Adjust call to
717         report_object.
718         (Add_archive_symbols::run): Track argument serial numbers.
719         (Lib_group::include_member): Likewise.
720         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
721         * archive.h (Incremental_archive_entry::Archive_member):
722         Initialize arg_serial_.
723         (Archive_member::arg_serial_): New data member.
724         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
725         (Sized_dynobj::do_add_symbols): Track symbols when doing an
726         incremental link.
727         (Sized_dynobj::do_for_all_local_got_entries): New function.
728         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
729         function.
730         * fileread.cc (get_mtime): New function.
731         * fileread.h (get_mtime): New function.
732         * gold.cc (queue_initial_tasks): Check for incremental update.
733         (process_incremental_input): New function.
734         (queue_middle_tasks): Don't force valid target for incremental
735         update.
736         * incremental-dump.cc (find_input_containing_global): Adjust
737         size of symbol info entry.
738         (dump_incremental_inputs): Dump argument serial number and
739         in_system_directory flag; bias shndx by 1; print symbol names
740         when dumping per-file symbol lists; use new symbol info readers.
741         * incremental.cc
742         (Output_section_incremental_inputs:update_data_size): New function.
743         (Sized_incremental_binary::setup_readers): Setup input readers
744         for each input file; build maps for files added from libraries
745         and scripts.
746         (Sized_incremental_binary::check_input_args): New function.
747         (Sized_incremental_binary::do_check_inputs): Build map of argument
748         serial numbers to input arguments.
749         (Sized_incremental_binary::do_file_has_changed): Rename
750         do_file_is_unchanged to this; compare file modification times.
751         (Sized_incremental_binary::do_init_layout): New function.
752         (Sized_incremental_binary::do_reserve_layout): New function.
753         (Sized_incremental_binary::do_get_input_reader): Remove.
754         (Sized_incremental_binary::get_symtab_view): New function.
755         (Incremental_checker::can_incrementally_link_output_file): Remove.
756         (Incremental_inputs::report_command_line): Exclude --debug options.
757         (Incremental_inputs::report_archive_begin): Add parameter; track
758         argument serial numbers; don't put input file entry for archive
759         before archive members.
760         (Incremental_inputs::report_archive_end): Put input file entry
761         for archive after archive members.
762         (Incremental_inputs::report_object): Add parameter; track argument
763         serial numbers and in_system_directory flag.
764         (Incremental_inputs::report_script): Add parameter; track argument
765         serial numbers.
766         (Output_section_incremental_inputs::set_final_data_size): Adjust
767         size of symbol info entry; check for forwarding symbols.
768         (Output_section_incremental_inputs::write_input_files): Write
769         in_system_directory flag and argument serial number.
770         (Output_section_incremental_inputs::write_info_blocks): Map section
771         indices between incremental info and original input file; store
772         input section index for each symbol.
773         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
774         change operator() to visit().
775         (class Global_got_offset_visitor): Likewise.
776         (class Global_symbol_visitor_got_plt):
777         (Output_section_incremental_inputs::write_got_plt): Use new visitor
778         classes.
779         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
780         (Sized_incr_relobj::do_read_symbols): New function.
781         (Sized_incr_relobj::do_layout): New function.
782         (Sized_incr_relobj::do_layout_deferred_sections): New function.
783         (Sized_incr_relobj::do_add_symbols): New function.
784         (Sized_incr_relobj::do_should_include_member): New function.
785         (Sized_incr_relobj::do_for_all_global_symbols): New function.
786         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
787         (Sized_incr_relobj::do_section_size): New function.
788         (Sized_incr_relobj::do_section_name): New function.
789         (Sized_incr_relobj::do_section_contents): New function.
790         (Sized_incr_relobj::do_section_flags): New function.
791         (Sized_incr_relobj::do_section_entsize): New function.
792         (Sized_incr_relobj::do_section_address): New function.
793         (Sized_incr_relobj::do_section_type): New function.
794         (Sized_incr_relobj::do_section_link): New function.
795         (Sized_incr_relobj::do_section_info): New function.
796         (Sized_incr_relobj::do_section_addralign): New function.
797         (Sized_incr_relobj::do_initialize_xindex): New function.
798         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
799         (Sized_incr_relobj::do_read_relocs): New function.
800         (Sized_incr_relobj::do_gc_process_relocs): New function.
801         (Sized_incr_relobj::do_scan_relocs): New function.
802         (Sized_incr_relobj::do_count_local_symbols): New function.
803         (Sized_incr_relobj::do_finalize_local_symbols): New function.
804         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
805         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
806         (Sized_incr_relobj::do_relocate): New function.
807         (Sized_incr_relobj::do_set_section_offset): New function.
808         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
809         (Sized_incr_dynobj::do_read_symbols): New function.
810         (Sized_incr_dynobj::do_layout): New function.
811         (Sized_incr_dynobj::do_add_symbols): New function.
812         (Sized_incr_dynobj::do_should_include_member): New function.
813         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
814         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
815         (Sized_incr_dynobj::do_section_size): New function.
816         (Sized_incr_dynobj::do_section_name): New function.
817         (Sized_incr_dynobj::do_section_contents): New function.
818         (Sized_incr_dynobj::do_section_flags): New function.
819         (Sized_incr_dynobj::do_section_entsize): New function.
820         (Sized_incr_dynobj::do_section_address): New function.
821         (Sized_incr_dynobj::do_section_type): New function.
822         (Sized_incr_dynobj::do_section_link): New function.
823         (Sized_incr_dynobj::do_section_info): New function.
824         (Sized_incr_dynobj::do_section_addralign): New function.
825         (Sized_incr_dynobj::do_initialize_xindex): New function.
826         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
827         (make_sized_incremental_object): New function.
828         (Incremental_library::copy_unused_symbols): New function.
829         (Incremental_library::do_for_all_unused_symbols): New function.
830         * incremental.h (enum Incremental_input_flags): New type.
831         (class Incremental_checker): Remove.
832         (Incremental_input_entry::Incremental_input_entry): Add argument
833         serial number.
834         (Incremental_input_entry::arg_serial): New function.
835         (Incremental_input_entry::set_is_in_system_directory): New function.
836         (Incremental_input_entry::is_in_system_directory): New function.
837         (Incremental_input_entry::arg_serial_): New data member.
838         (Incremental_input_entry::is_in_system_directory_): New data member.
839         (class Script_info): Move here from script.h.
840         (Script_info::Script_info): Add filename parameter.
841         (Script_info::filename): New function.
842         (Script_info::filename_): New data member.
843         (Incremental_script_entry::Incremental_script_entry): Add argument
844         serial number.
845         (Incremental_object_entry::Incremental_object_entry): Likewise.
846         (Incremental_object_entry::add_input_section): Build list of input
847         sections with map to original shndx.
848         (Incremental_object_entry::get_input_section_index): New function.
849         (Incremental_object_entry::shndx_): New data member.
850         (Incremental_object_entry::name_key_): Rename; adjust all refs.
851         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
852         (Incremental_archive_entry::Incremental_archive_entry): Add argument
853         serial number.
854         (Incremental_inputs::report_archive_begin): Likewise.
855         (Incremental_inputs::report_object): Likewise.
856         (Incremental_inputs::report_script): Likewise.
857         (class Incremental_global_symbol_reader): New class.
858         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
859         and store flags and input file type.
860         (Incremental_input_entry_reader::arg_serial): New function.
861         (Incremental_input_entry_reader::type): Extract type from flags.
862         (Incremental_input_entry_reader::is_in_system_directory): New function.
863         (Incremental_input_entry_reader::get_input_section_count): Call
864         accessor function for type.
865         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
866         function for type; adjust size of global symbol entry.
867         (Incremental_input_entry_reader::get_global_symbol_count): Call
868         accessor function for type.
869         (Incremental_input_entry_reader::get_object_count): Likewise.
870         (Incremental_input_entry_reader::get_object_offset): Likewise.
871         (Incremental_input_entry_reader::get_member_count): Likewise.
872         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
873         (Incremental_input_entry_reader::get_member_offset): Likewise.
874         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
875         (Incremental_input_entry_reader::Global_symbol_info): Remove.
876         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
877         (Incremental_input_entry_reader::get_global_symbol_reader): New
878         function.
879         (Incremental_input_entry_reader::get_output_symbol_index): New
880         function.
881         (Incremental_input_entry_reader::type_): Remove.
882         (Incremental_input_entry_reader::flags_): New data member.
883         (Incremental_inputs_reader::input_file_offset): New function.
884         (Incremental_inputs_reader::input_file_index): New function.
885         (Incremental_inputs_reader::input_file): Call input_file_offset.
886         (Incremental_inputs_reader::input_file_at_offset): New function.
887         (Incremental_relocs_reader::get_r_type): Reformat.
888         (Incremental_relocs_reader::get_r_shndx): Reformat.
889         (Incremental_relocs_reader::get_r_offset): Reformat.
890         (Incremental_relocs_reader::data): New function.
891         (Incremental_binary::Incremental_binary): Initialize new data members.
892         (Incremental_binary::check_inputs): Add cmdline parameter.
893         (Incremental_binary::file_is_unchanged): Remove.
894         (Input_reader::arg_serial): New function.
895         (Input_reader::get_unused_symbol_count): New function.
896         (Input_reader::get_unused_symbol): New function.
897         (Input_reader::do_arg_serial): New function.
898         (Input_reader::do_get_unused_symbol_count): New function.
899         (Input_reader::do_get_unused_symbol): New function.
900         (Incremental_binary::input_file_count): New function.
901         (Incremental_binary::get_input_reader): Change signature to use
902         index instead of filename.
903         (Incremental_binary::file_has_changed): New function.
904         (Incremental_binary::get_input_argument): New function.
905         (Incremental_binary::get_library): New function.
906         (Incremental_binary::get_script_info): New function.
907         (Incremental_binary::init_layout): New function.
908         (Incremental_binary::reserve_layout): New function.
909         (Incremental_binary::output_file): New function.
910         (Incremental_binary::do_check_inputs): New function.
911         (Incremental_binary::do_file_is_unchanged): Remove.
912         (Incremental_binary::do_file_has_changed): New function.
913         (Incremental_binary::do_init_layout): New function.
914         (Incremental_binary::do_reserve_layout): New function.
915         (Incremental_binary::do_input_file_count): New function.
916         (Incremental_binary::do_get_input_reader): Change signature.
917         (Incremental_binary::input_args_map_): New data member.
918         (Incremental_binary::library_map_): New data member.
919         (Incremental_binary::script_map_): New data member.
920         (Sized_incremental_binary::Sized_incremental_binary): Initialize
921         new data members.
922         (Sized_incremental_binary::output_section): New function.
923         (Sized_incremental_binary::inputs_reader): Add const.
924         (Sized_incremental_binary::symtab_reader): Add const.
925         (Sized_incremental_binary::relocs_reader): Add const.
926         (Sized_incremental_binary::got_plt_reader): Add const.
927         (Sized_incremental_binary::get_symtab_view): New function.
928         (Sized_incremental_binary::Inputs_reader): New typedef.
929         (Sized_incremental_binary::Input_entry_reader): New typedef.
930         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
931         (Sized_incremental_binary::do_file_is_unchanged): Remove.
932         (Sized_incremental_binary::do_file_has_changed): New function.
933         (Sized_incremental_binary::do_init_layout): New function.
934         (Sized_incremental_binary::do_reserve_layout): New function.
935         (Sized_input_reader::Inputs_reader): Remove.
936         (Sized_input_reader::Input_entry_reader): Remove.
937         (Sized_input_reader::do_arg_serial): New function.
938         (Sized_input_reader::do_get_unused_symbol_count): New function.
939         (Sized_input_reader::do_get_unused_symbol): New function.
940         (Sized_incremental_binary::do_input_file_count): New function.
941         (Sized_incremental_binary::do_get_input_reader): Change signature;
942         use index instead of filename.
943         (Sized_incremental_binary::section_map_): New data member.
944         (Sized_incremental_binary::input_entry_readers_): New data member.
945         (class Sized_incr_relobj): New class.
946         (class Sized_incr_dynobj): New class.
947         (make_sized_incremental_object): New function.
948         (class Incremental_library): New class.
949         * layout.cc (Free_list::num_lists): New static data member.
950         (Free_list::num_nodes): New static data member.
951         (Free_list::num_removes): New static data member.
952         (Free_list::num_remove_visits): New static data member.
953         (Free_list::num_allocates): New static data member.
954         (Free_list::num_allocate_visits): New static data member.
955         (Free_list::init): New function.
956         (Free_list::remove): New function.
957         (Free_list::allocate): New function.
958         (Free_list::dump): New function.
959         (Free_list::print_stats): New function.
960         (Layout_task_runner::run): Resize output file for incremental updates.
961         (Layout::Layout): Initialize new data members.
962         (Layout::set_incremental_base): New function.
963         (Layout::init_fixed_output_section): New function.
964         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
965         incremental updates.
966         (Layout::create_gold_note): Do not create gold note section for
967         incremental updates.
968         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
969         for incremental updates.
970         (Layout::set_section_offsets): For incremental updates, allocate space
971         from free list.
972         (Layout::create_symtab_sections): Layout with offsets relative to
973         start of section; for incremental updates, allocate space from free
974         list.
975         (Layout::create_shdrs): For incremental updates, allocate space from
976         free list.
977         (Layout::finish_dynamic_section): For incremental updates, do not
978         check --as-needed (fixed in subsequent patch).
979         * layout.h (class Free_list): New class.
980         (Layout::set_incremental_base): New function.
981         (Layout::incremental_base): New function.
982         (Layout::init_fixed_output_section): New function.
983         (Layout::allocate): New function.
984         (Layout::incremental_base_): New data member.
985         (Layout::free_list_): New data member.
986         * main.cc (main): Print Free_list statistics.
987         * object.cc (Relobj::finalize_incremental_relocs): Add
988         clear_counts parameter; clear counts only when clear_counts is set.
989         (Sized_relobj::Sized_relobj): Initialize new base class.
990         (Sized_relobj::do_layout): Don't report special sections.
991         (Sized_relobj::do_for_all_local_got_entries): New function.
992         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
993         symtab_off to all symbol table offsets.
994         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
995         * object.h (class Got_offset_list): Move to top of file.
996         (Object::Object): Allow case where input_file == NULL.
997         (Object::~Object): Likewise.
998         (Object::input_file): Assert that input_file != NULL.
999         (Object::lock): Allow case where input_file == NULL.
1000         (Object::unlock): Likewise.
1001         (Object::is_locked): Likewise.
1002         (Object::token): Likewise.
1003         (Object::release): Likewise.
1004         (Object::is_incremental): New function.
1005         (Object::get_mtime): New function.
1006         (Object::for_all_local_got_entries): New function.
1007         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1008         (Object::set_is_in_system_directory): New function.
1009         (Object::is_in_system_directory): New function.
1010         (Object::do_is_incremental): New function.
1011         (Object::do_get_mtime): New function.
1012         (Object::do_for_all_local_got_entries): New function.
1013         (Object::is_in_system_directory_): New data member.
1014         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1015         (class Sized_relobj_base): New class.
1016         (class Sized_relobj): Derive from Sized_relobj_base.
1017         (class Sized_relobj::Symbols): Redeclare from base class.
1018         (class Sized_relobj::local_got_offset_list): Remove.
1019         (class Sized_relobj::Output_sections): Redeclare from base class.
1020         (class Sized_relobj::do_for_all_local_got_entries): New function.
1021         (class Sized_relobj::write_local_symbols): Add offset parameter.
1022         (class Sized_relobj::local_symbol_offset_): Update comment.
1023         (class Sized_relobj::local_dynsym_offset_): Update comment.
1024         * options.cc (Input_arguments::add_file): Remove const.
1025         * options.h (Input_file_argument::Input_file_argument):
1026         Initialize arg_serial_ (all constructors).
1027         (Input_file_argument::set_arg_serial): New function.
1028         (Input_file_argument::arg_serial): New function.
1029         (Input_file_argument::arg_serial_): New data member.
1030         (Input_arguments::Input_arguments): Initialize file_count_.
1031         (Input_arguments::add_file): Remove const.
1032         (Input_arguments::number_of_input_files): New function.
1033         (Input_arguments::file_count_): New data member.
1034         (Command_line::number_of_input_files): Call
1035         Input_arguments::number_of_input_files.
1036         * output.cc (Output_segment_headers::Output_segment_headers):
1037         Set current size.
1038         (Output_section::Input_section::current_data_size): New function.
1039         (Output_section::Output_section): Initialize new data members.
1040         (Output_section::add_input_section): Don't do merge sections for
1041         an incremental link; allocate space from free list for an
1042         incremental update.
1043         (Output_section::add_output_section_data): Allocate space from
1044         free list for an incremental update.
1045         (Output_section::update_data_size): New function.
1046         (Output_section::set_fixed_layout): New function.
1047         (Output_section::reserve): New function.
1048         (Output_segment::set_section_addresses): Remove const.
1049         (Output_segment::set_section_list_addresses): Remove const; allocate
1050         space from free list for an incremental update.
1051         (Output_segment::set_offset): Adjust size of RELRO segment for an
1052         incremental update.
1053         * output.h (Output_data::current_data_size): Move here from
1054         child classes.
1055         (Output_data::pre_finalize_data_size): New function.
1056         (Output_data::update_data_size): New function.
1057         (Output_section_headers::update_data_size): new function.
1058         (Output_section_data_build::current_data_size): Move to Output_data.
1059         (Output_data_strtab::update_data_size): New function.
1060         (Output_section::current_data_size): Move to Output_data.
1061         (Output_section::set_fixed_layout): New function.
1062         (Output_section::has_fixed_layout): New function.
1063         (Output_section::reserve): New function.
1064         (Output_section::update_data_size): New function.
1065         (Output_section::has_fixed_layout_): New data member.
1066         (Output_section::free_list_): New data member.
1067         (Output_segment::set_section_addresses): Remove const.
1068         (Output_segment::set_section_list_addresses): Remove const.
1069         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1070         New function.
1071         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1072         New function.
1073         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1074         parameter when calling Add_symbols constructor; store argument
1075         serial number for members of a lib group.
1076         (Add_symbols::locks): Allow case where token == NULL.
1077         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1078         (Read_member::~Read_member): New function.
1079         (Read_member::is_runnable): New function.
1080         (Read_member::locks): New function.
1081         (Read_member::run): New function.
1082         (Check_script::~Check_script): New function.
1083         (Check_script::is_runnable): New function.
1084         (Check_script::locks): New function.
1085         (Check_script::run): New function.
1086         (Check_library::~Check_library): New function.
1087         (Check_library::is_runnable): New function.
1088         (Check_library::locks): New function.
1089         (Check_library::run): New function.
1090         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1091         (Add_symbols::library_): New data member.
1092         (class Read_member): New class.
1093         (class Check_script): New class.
1094         (class Check_library): New class.
1095         * reloc.cc (Read_relocs::is_runnable): Allow case where
1096         token == NULL.
1097         (Read_relocs::locks): Likewise.
1098         (Scan_relocs::locks): Likewise.
1099         (Relocate_task::locks): Likewise.
1100         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1101         to clear counters.
1102         (Sized_relobj::incremental_relocs_scan): Fix comment.
1103         (Sized_relobj::do_relocate): Pass output file offset to
1104         write_local_symbols.
1105         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1106         from class declaration.
1107         * script.cc (read_input_script): Allocate Script_info; pass
1108         argument serial number to report_script.
1109         * script.h (class Script_info): Move to incremental.h.
1110         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1111         * symtab.h (Symbol_table::add_from_incrobj): New function.
1112         (Symbol_table::set_file_offset): New function.
1113
1114 2011-04-05  Cary Coutant  <ccoutant@google.com>
1115
1116         * incremental-dump.cc (dump_incremental_inputs): Change signature
1117         to take a Sized_incremental_binary; change caller.  Use readers
1118         in Sized_incremental_binary.
1119         * incremental.cc
1120         (Sized_incremental_binary::find_incremental_inputs_sections):
1121         Rename do_find_incremental_inputs_sections to this.
1122         (Sized_incremental_binary::setup_readers): New function.
1123         (Sized_incremental_binary::do_check_inputs): Check
1124         has_incremental_info_ flag; move setup code to setup_readers;
1125         use input readers.
1126         (Sized_incremental_binary::do_file_is_unchanged): New function.
1127         (Sized_incremental_binary::do_get_input_reader): New function.
1128         * incremental.h (class Incremental_binary): Move to end of file.
1129         (Incremental_binary::file_is_unchanged): New function.
1130         (Incremental_binary::do_file_is_unchanged): New function.
1131         (Incremental_binary::Input_reader): New class.
1132         (Incremental_binary::get_input_reader): New function.
1133         (class Sized_incremental_binary): Move to end of file.
1134         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1135         input section reader classes.
1136         (Sized_incremental_binary::has_incremental_info): New function.
1137         (Sized_incremental_binary::inputs_reader): New function.
1138         (Sized_incremental_binary::symtab_reader): New function.
1139         (Sized_incremental_binary::relocs_reader): New function.
1140         (Sized_incremental_binary::got_plt_reader): New function.
1141         (Sized_incremental_binary::do_file_is_unchanged): New function.
1142         (Sized_incremental_binary::Sized_input_reader): New class.
1143         (Sized_incremental_binary::get_input_reader): New function.
1144         (Sized_incremental_binary::find_incremental_inputs_sections):
1145         Rename do_find_incremental_inputs_sections to this.
1146         (Sized_incremental_binary::setup_readers): New function.
1147         (Sized_incremental_binary::has_incremental_info_): New data member.
1148         (Sized_incremental_binary::inputs_reader_): New data member.
1149         (Sized_incremental_binary::symtab_reader_): New data member.
1150         (Sized_incremental_binary::relocs_reader_): New data member.
1151         (Sized_incremental_binary::got_plt_reader_): New data member.
1152         (Sized_incremental_binary::current_input_file_): New data member.
1153
1154 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1155
1156         PR gold/12640
1157         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1158         violation.
1159
1160 2011-03-30  Cary Coutant  <ccoutant@google.com>
1161
1162         * archive.cc (Archive::include_member): Adjust call to report_object.
1163         (Add_archive_symbols::run): Add script_info to call to
1164         report_archive_begin.
1165         (Lib_group::include_member): Adjust call to report_object.
1166         (Add_lib_group_symbols::run): Adjust call to report_object.
1167         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1168         blocks.  Add object count for script input files.
1169         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1170         script_info parameter; change all callers.
1171         (Incremental_inputs::report_object): Add script_info parameter;
1172         change all callers.
1173         (Incremental_inputs::report_script): Store backpointer to
1174         incremental info entry.
1175         (Output_section_incremental_inputs::set_final_data_size): Record
1176         additional information for scripts.
1177         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1178         * incremental.h (Incremental_script_entry::add_object): New function.
1179         (Incremental_script_entry::get_object_count): New function.
1180         (Incremental_script_entry::get_object): New function.
1181         (Incremental_script_entry::objects_): New data member; adjust
1182         constructor.
1183         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1184         (Incremental_inputs::report_object): Add script_info parameter.
1185         (Incremental_inputs_reader::get_object_count): New function.
1186         (Incremental_inputs_reader::get_object_offset): New function.
1187         * options.cc (Input_arguments::add_file): Return reference to
1188         new input argument.
1189         * options.h (Input_argument::set_script_info): New function.
1190         (Input_argument::script_info): New function.
1191         (Input_argument::script_info_): New data member; adjust all
1192         constructors.
1193         (Input_file_group::add_file): Return reference to new input argument.
1194         (Input_file_lib::add_file): Likewise.
1195         (Input_arguments::add_file): Likewise.
1196         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1197         * script.cc (Parser_closure::Parser_closure): Add script_info
1198         parameter; adjust all callers.
1199         (Parser_closure::script_info): New function.
1200         (Parser_closure::script_info_): New data member.
1201         (read_input_script): Report scripts earlier to incremental info.
1202         (script_add_file): Set script_info in Input_argument.
1203         (script_add_library): Likewise.
1204         * script.h (Script_options::Script_info): Rewrite class.
1205
1206 2011-03-29  Cary Coutant  <ccoutant@google.com>
1207
1208         * archive.cc (Library_base::should_include_member): Move
1209         method here from class Archive.
1210         (Archive::Archive): Initialize base class.
1211         (Archive::should_include_member): Move to base class.
1212         (Archive::do_for_all_unused_symbols): New function.
1213         (Add_archive_symbols::run): Remove redundant access to
1214         incremental_inputs.
1215         (Lib_group::Lib_group): Initialize base class.
1216         (Lib_group::do_filename): New function.
1217         (Lib_group::include_member): Pass pointer to Lib_group to
1218         report_object.
1219         (Lib_group::do_for_all_unused_symbols): New function.
1220         (Add_lib_group_symbols::run): Report archive information for
1221         incremental links.
1222         * archive.h (class Library_base): New base class.
1223         (class Archive): Derive from Library_base.
1224         (Archive::filename): Move to base class.
1225         (Archive::set_incremental_info): Likewise.
1226         (Archive::incremental_info): Likewise.
1227         (Archive::Should_include): Likewise.
1228         (Archive::should_include_member): Likewise.
1229         (Archive::Armap_entry): Remove.
1230         (Archive::Unused_symbol_iterator): Remove.
1231         (Archive::unused_symbols_begin): Remove.
1232         (Archive::unused_symbols_end): Remove.
1233         (Archive::do_filename): New function.
1234         (Archive::do_get_mtime): New function.
1235         (Archive::do_for_all_unused_symbols): New function.
1236         (Archive::task_): Move to base class.
1237         (Archive::incremental_info_): Likewise.
1238         (class Lib_group): Derive from Library_base.
1239         (Lib_group::do_filename): New function.
1240         (Lib_group::do_get_mtime): New function.
1241         (Lib_group::do_for_all_unused_symbols): New function.
1242         (Lib_group::task_): Move to base class.
1243         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1244         function.
1245         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1246         function.
1247         * incremental.cc (Incremental_inputs::report_archive_begin):
1248         Use Library_base; call library's get_mtime; add incremental inputs
1249         entry before members.
1250         (class Unused_symbol_visitor): New class.
1251         (Incremental_inputs::report_archive_end): Use Library_base; use
1252         visitor class to record unused symbols; don't add incremental inputs
1253         entry after members.
1254         (Incremental_inputs::report_object): Use Library_base.
1255         * incremental.h
1256         (Incremental_archive_entry::Incremental_archive_entry): Remove
1257         unused Archive parameter.
1258         (Incremental_inputs::report_archive_begin): Use Library_base.
1259         (Incremental_inputs::report_archive_end): Likewise.
1260         (Incremental_inputs::report_object): Likewise.
1261         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1262         function.
1263         * object.h (Object::for_all_global_symbols): New function.
1264         (Object::do_for_all_global_symbols): New function.
1265         (Sized_relobj::do_for_all_global_symbols): New function.
1266         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1267         function.
1268         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1269         function.
1270
1271 2011-03-27  Ian Lance Taylor  <iant@google.com>
1272
1273         * archive.cc (Archive::interpret_header): Return -1 if something
1274         goes wrong.  Change callers accordingly.
1275
1276 2011-03-25  Cary Coutant  <ccoutant@google.com>
1277
1278         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1279         * testsuite/Makefile.in: Regenerate.
1280
1281 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1282
1283         * plugin.cc (get_view): New.
1284         (Plugin::load): Pass get_view to the plugin.
1285         (Plugin_manager::get_view): New.
1286
1287 2011-03-21  Ian Lance Taylor  <iant@google.com>
1288
1289         * testsuite/final_layout.sh: Rewrite to not use dc.
1290         * testsuite/relro_test.sh: Fail if dc is not present.
1291
1292 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1293
1294         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1295         Change == to -eq.
1296         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1297         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1298         Change == to -eq.
1299         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1300         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1301
1302 2011-03-14  Ian Lance Taylor  <iant@google.com>
1303
1304         * script-sections.cc (Sort_output_sections::script_compare):
1305         Rename from is_before, change return type.
1306         (Sort_output_sections::operator()): Adjust accordingly.
1307
1308 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1309
1310         PR gold/12572
1311         * testsuite/odr_violation2.cc: Add comment to make all error line
1312         numbers double digits.
1313         * testsuite/debug_msg.sh: Adjust expected errors.
1314
1315 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1316
1317         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1318         but mark earlier ones as non-canonical
1319         (offset_to_iterator): Update search target and example
1320         (do_addr2line): Return extra lines in a vector*
1321         (format_file_lineno): Extract from do_addr2line
1322         (one_addr2line): Add vector* out-param
1323         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1324         when a lineno entry appeared last for its instruction
1325         (Dwarf_line_info): Add vector* out-param
1326         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1327         * symtab.cc (Odr_violation_compare): Include the lineno in the
1328         comparison again.
1329         (linenos_from_loc): New. Combine the canonical line for an
1330         address with its other lines.
1331         (True_if_intersect): New. Helper functor to make
1332         std::set_intersection a query.
1333         (detect_odr_violations): Compare sets of lines instead of just
1334         one line for each function. This became less deterministic, but
1335         has fewer false positives.
1336         * symtab.h: Declarations.
1337         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1338         mix an optimized and non-optimized object in the same binary
1339         (odr_violation2.so): Same.
1340         * testsuite/Makefile.in: Regenerate from Makefile.am.
1341         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1342         * testsuite/debug_msg.sh: Update line numbers and add
1343         assertions.
1344         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1345         non-optimized context.
1346         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1347         isn't inlined, and use OdrDerived in an optimized context.
1348         * testsuite/odr_header1.h: Defines OdrDerived, where
1349         optimization will change the
1350         first-instruction-in-the-destructor's file and line number.
1351         * testsuite/odr_header2.h: Defines OdrBase.
1352
1353 2011-03-09  Ian Lance Taylor  <iant@google.com>
1354
1355         * fileread.cc (File_read::clear_views): Don't delete the whole
1356         file view.
1357
1358 2011-03-08  Ian Lance Taylor  <iant@google.com>
1359
1360         PR gold/12525
1361         * fileread.cc: #include <climits>.
1362         (GOLD_IOV_MAX): Define.
1363         (File_read::read_multiple): Limit number of entries by iov_max.
1364         * fileread.h (class File_read): Always set max_readv_entries to
1365         128.
1366
1367 2011-03-07  Ian Lance Taylor  <iant@google.com>
1368
1369         PR gold/12525
1370         * options.h (class General_options): Add -dy and -dn.
1371
1372 2011-03-02  Cary Coutant  <ccoutant@google.com>
1373
1374         * testsuite/script_test_9.t: Add TLS segment.
1375
1376 2011-03-02  Simon Baldwin  <simonb@google.com>
1377
1378         * configure.ac: Add check for gnu_indirect_function support in
1379         the toolchain building binutils.
1380         * configure: Rebuild.
1381
1382 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1383
1384         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1385         plugin only symbols.
1386         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1387         in plugin files as not needed in the symbol table.
1388
1389 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1390
1391         * output.cc (Output_section::add_input_section): Delay fill
1392         generation for section ordering.
1393
1394 2011-02-09  Ian Lance Taylor  <iant@google.com>
1395
1396         PR gold/12316
1397         * object.h (class Sized_relobj): Remove clear_local_symbols.
1398         * reloc.cc (Sized_relobj::do_relocate): Don't call
1399         clear_local_symbols.
1400
1401 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1402
1403         * plugin.cc (is_visible_from_outside): Return true for symbols
1404         in the -u option.
1405
1406 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1407
1408         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1409         filename.
1410
1411 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1412
1413         * icf.h (is_section_foldable_candidate): Change type of parameter
1414         to std::string.
1415         * icf.cc (Icf::find_identical_sections): Change type of local variable
1416         section_name to be std::string.
1417         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1418
1419 2011-01-25  Ian Lance Taylor  <iant@google.com>
1420
1421         * script.cc (script_add_extern): Rewrite to use
1422         add_symbol_reference.
1423
1424 2011-01-25  Doug Kwan  <dougkwan@google.com>
1425
1426         * icf.cc (get_section_contents): Always lock section's object.
1427
1428 2011-01-24  Ian Lance Taylor  <iant@google.com>
1429
1430         * options.h (class General_options): Accept
1431         --no-detect-odr-violations.
1432
1433 2011-01-24  Ian Lance Taylor  <iant@google.com>
1434
1435         * version.cc (version_string): Bump to 1.11.
1436
1437 2011-01-24  Ian Lance Taylor  <iant@google.com>
1438
1439         * plugin.cc (class Plugin_rescan): Define new class.
1440         (Plugin_manager::claim_file): Set any_claimed_.
1441         (Plugin_manager::save_archive): New function.
1442         (Plugin_manager::save_input_group): New function.
1443         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1444         necessary.
1445         (Plugin_manager::new_undefined_symbol): New function.
1446         (Plugin_manager::rescan): New function.
1447         (Plugin_manager::rescannable_defines): New function.
1448         (Plugin_manager::add_input_file): Set any_added_.
1449         * plugin.h (class Plugin_manager): define new fields rescannable_,
1450         undefined_symbols_, any_claimed_, and any_added_.  Declare
1451         Plugin_rescan as friend.  Declare new functions.
1452         (Plugin_manager::Rescannable): Define type.
1453         (Plugin_manager::Rescannable_list): Define type.
1454         (Plugin_manager::Undefined_symbol_list): Define type.
1455         (Plugin_manager::Plugin_manager): Initialize new fields.
1456         * archive.cc (Archive::defines_symbol): New function.
1457         (Add_archive_symbols::run): Pass archive to plugins if any.
1458         * archive.h (class Archive): Declare defines_symbol.
1459         * readsyms.cc (Input_group::~Input_group): New function.
1460         (Finish_group::run): Pass input_group to plugins if any.
1461         * readsyms.h (class Input_group): Declare destructor.
1462         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1463         any.
1464
1465 2011-01-10  Ian Lance Taylor  <iant@google.com>
1466
1467         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1468         section as relro.
1469         (Layout::set_segment_offsets): Reset increase_relro before calling
1470         set_section_addresses a second time.
1471
1472 2011-01-04  Cary Coutant  <ccoutant@google.com>
1473
1474         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1475         sections before NOBITS sections.
1476
1477 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1478
1479         * version.cc (print_version): Update copyright to 2011.
1480
1481 2010-12-23  Cary Coutant  <ccoutant@google.com>
1482
1483         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1484         of OS to this->add.  Add OD parameter to second form of the function.
1485
1486 2010-12-20  Ian Lance Taylor  <iant@google.com>
1487
1488         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1489         second of two consecutive entries with same offset.
1490
1491 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1492
1493         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1494         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1495         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1496         to avoid unneeded links against $(LDADD).
1497         * testsuite/Makefile.in: Regenerate.
1498
1499 2010-12-15  Ian Lance Taylor  <iant@google.com>
1500
1501         PR gold/12324
1502         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1503         for R_X86_64_32 and R_X86_64_PC32.
1504         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1505         ver_matching_def_pic.o.
1506         (ver_matching_def_pic.o): New target.
1507
1508 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1509
1510         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
1511         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
1512         Move definition before File_read::View member definitions.
1513         (File_read::View::~View): Initialize and hold lock before
1514         updating current_mapped_bytes.
1515
1516 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1517
1518         * dwarf_reader.cc: Remove outdated comment.
1519         * gold-threads.cc: Fix typo in error message.
1520         * archive.cc: Fix typos in comments.
1521         * archive.h: Likewise.
1522         * arm-reloc-property.cc: Likewise.
1523         * arm-reloc-property.h: Likewise.
1524         * arm-reloc.def: Likewise.
1525         * arm.cc: Likewise.
1526         * attributes.h: Likewise.
1527         * cref.cc: Likewise.
1528         * ehframe.cc: Likewise.
1529         * fileread.h: Likewise.
1530         * gold.h: Likewise.
1531         * i386.cc: Likewise.
1532         * icf.cc: Likewise.
1533         * incremental.h: Likewise.
1534         * int_encoding.cc: Likewise.
1535         * layout.h: Likewise.
1536         * main.cc: Likewise.
1537         * merge.h: Likewise.
1538         * object.cc: Likewise.
1539         * object.h: Likewise.
1540         * options.cc: Likewise.
1541         * readsyms.cc: Likewise.
1542         * reduced_debug_output.cc: Likewise.
1543         * reloc.cc: Likewise.
1544         * script-sections.cc: Likewise.
1545         * sparc.cc: Likewise.
1546         * symtab.h: Likewise.
1547         * target-reloc.h: Likewise.
1548         * target.cc: Likewise.
1549         * target.h: Likewise.
1550         * timer.cc: Likewise.
1551         * timer.h: Likewise.
1552         * x86_64.cc: Likewise.
1553
1554 2010-12-09  Cary Coutant  <ccoutant@google.com>
1555
1556         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
1557         stack.
1558         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
1559         parameter; change all callers.
1560         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
1561         * options.h (warn_execstack): New option.
1562
1563 2010-12-07  Doug Kwan  <dougkwan@google.com>
1564
1565         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
1566         like function call relocations.
1567
1568 2010-12-07  Ian Lance Taylor  <iant@google.com>
1569
1570         * archive.cc (Archive::get_elf_object_for_member): Permit
1571         punconfigured to be NULL.
1572         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
1573         (Archive::include_member): Pass NULL to get_elf_object_for_member
1574         if we searched for the archive and this is the first included
1575         object.
1576
1577 2010-12-01  Ian Lance Taylor  <iant@google.com>
1578
1579         * dwarf_reader.h (class Sized_dwarf_line_info): Add
1580         track_relocs_type_ field.
1581         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1582         Set track_relocs_type_.
1583         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
1584         contents when using RELA relocs.
1585         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
1586         reloc_map_.
1587         * reloc.cc (Track_relocs::next_addend): New function.
1588         * reloc.h (class Track_relocs): Declare next_addend.
1589
1590 2010-12-01  Ian Lance Taylor  <iant@google.com>
1591
1592         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
1593         virtual destructor.
1594
1595 2010-12-01  Ian Lance Taylor  <iant@google.com>
1596
1597         * README: Update compilers known to work and fail.
1598
1599 2010-11-23  Matthias Klose  <doko@ubuntu.com>
1600
1601         * configure.in: For --enable-gold, handle value `default' instead of
1602         `both*'.  Always install ld as ld.bfd, install as ld if gold is
1603         not the default.
1604         * configure: Regenerate.
1605
1606 2010-11-18  Doug Kwan  <dougkwan@google.com>
1607
1608         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
1609         and right_alignment to be zero.  Store result alignment only if it is
1610         greater than existing alignment.
1611
1612 2010-11-16  Cary Coutant  <ccoutant@google.com>
1613
1614         PR gold/12220
1615         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1616         Check for ".zdebug_line".
1617
1618 2010-11-16  Doug Kwan  <dougkwan@google.com>
1619             Cary Coutant  <ccoutant@google.com>
1620
1621         * output.h (Output_segment::set_section_addresses): Pass increase_relro
1622         by reference; adjust all callers.
1623         * output.cc (Output_segment::set_section_addresses): Adjust references
1624         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
1625         list is empty.
1626         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
1627         end at page boundary.
1628
1629 2010-11-16  Cary Coutant  <ccoutant@google.com>
1630
1631         PR gold/12220
1632         * layout.cc (Layout::choose_output_section): Transform names of
1633         compressed sections even when using a script with a SECTIONS clause.
1634         (Layout::output_section_name): Remove code to transform
1635         compressed debug section names.
1636         * output.cc (Output_section::add_input_section): Use uncompressed
1637         section size when tracking input sections.
1638
1639 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
1640
1641         * symtab.h (Symbol::NON_PIC_REF): Remove.
1642         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
1643         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
1644         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
1645         (Symbol::use_plt_offset): Take a flags argument and pass it
1646         directly to needs_dynamic_reloc.  Restrict check for undefined
1647         weak symbols to function calls.
1648         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
1649         (Target_arm::Scan::global): Use it.
1650         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
1651         (Target_arm::Relocate::relocate): Likewise.
1652         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
1653         parameter with an r_type parameter.  Use get_reference_flags
1654         to get the flags.
1655         (Target_arm::Relocate::relocate): Update accordingly.
1656         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
1657         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
1658         (Target_i386::Scan::global): Likewise.
1659         (Target_i386::Relocate::relocate): Likewise.
1660         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
1661         parameter with an r_type parameter.  Use get_reference_flags
1662         to get the flags.
1663         (Target_i386::Relocate::relocate): Update accordingly.
1664         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1665         (Target_powerpc::Scan::global): Use it.
1666         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1667         (Target_powerpc::Relocate::relocate): Likewise.
1668         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1669         (Target_sparc::Scan::global): Use it.
1670         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1671         (Target_sparc::Relocate::relocate): Likewise.
1672         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1673         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1674         (Target_x86_64::Scan::global): Likewise.
1675         (Target_x86_64::Relocate::relocate): Likewise.
1676
1677 2010-11-08  Doug Kwan  <dougkwan@google.com>
1678             Cary Coutant  <ccoutant@google.com>
1679
1680         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1681         (Arm_exidx_merge_section::section_contents_): New data member.
1682         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1683         (Arm_input_section::~Arm_input_section): De-allocate memory.
1684         (Arm_input_section::original_contents_): New data member.       
1685         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1686         in parameters instead of calling Object::section_contents without
1687         locking.
1688         (Arm_output_section::group_section): New parameter TASK.  Pass it
1689         to callees that need locking objects.
1690         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1691         to lock EXIDX input sections.  Fix a formatting issue.  Call
1692         Arm_exidx_merged_section::build_contents to create merged section
1693         contents.
1694         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1695         to lock object of stub table owner.
1696         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1697         TEXT_SIZE to initialize data member TEXT_SIZE_.
1698         (Arm_exidx_input_section::addralign): Fix typo in comment.
1699         (Arm_exidx_input_section::text_size): New method.
1700         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1701         that require locking objects.  Lock objects before scanning for stubs
1702         and updating local symbols.
1703         (Arm_input_section<big_endian>::init): Copy contents of original
1704         input section.
1705         (Arm_input_section<big_endian>::do_write): Use saved contents of
1706         original input section instead of calling Object::section_contents
1707         without locking.
1708         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1709         size without calling Object::section_size().
1710         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1711         for size.  Allocate a buffer for merged EXIDX entries.
1712         (Arm_exidx_merged_section::build_contents): New method.
1713         (Arm_exidx_merged_section::do_write): Move merge section contents
1714         building code to Arm_exidx_merged_section::build_contetns.  Write
1715         out contetns in buffer instead of building it on the fly.
1716         (Arm_relobj::make_exidx_input_section): Also pass text section size
1717         to Arm_exidx_input_section constructor.
1718         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1719         (Arm_dynobj::do_read_symbols): Fix memory leak.
1720         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1721         * target.h: (class Task): Add forward declaration.
1722         (Target::relax): Add new parameter TASK and pass it to
1723         Target::do_relax().
1724         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1725
1726 2010-11-05  Cary Coutant  <ccoutant@google.com>
1727
1728         PR gold/10708
1729         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1730         object when reading from the file.
1731         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1732         second layout pass.
1733         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1734         when reading section contents.
1735         (get_section_contents): Likewise.
1736         (icf::find_identical_sections): Likewise.
1737         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1738         object when reading from the file.
1739         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1740         the object when doing deferred section layout.
1741
1742 2010-11-03  Nick Clifton  <nickc@redhat.com>
1743
1744         PR gold/12001
1745         * script.h (class Symbol_assignment: name): New member.  Returns
1746         the name of the symbol.
1747         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1748         Returns true if the given symbol name is on the list of
1749         assignments wating to be processed.
1750         * archive.cc (should_incldue_member): If the symbol is undefined,
1751         check to see if it is on the list of symbols pending assignment.
1752
1753 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1754
1755         * script-sections.cc (Script_sections::find_memory_region): Check
1756         for a NULL output section pointer.
1757
1758 2010-10-29  Doug Kwan  <dougkwan@google.com>
1759
1760         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1761         Output_section::add_relaxed_input_section.
1762         * output.cc (Output_section::add_relaxed_input_section): Add new
1763         arguments LAYOUT and NAME.  Set section order index.
1764         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1765         Copy section order index.
1766         * output.h (Output_section::add_relaxed_input_section): Add new
1767         arguments LAYOUT and NAME.
1768
1769 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1770
1771         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1772         NATIVE_OR_CROSS_LINKER.
1773         * testsuite/Makefile.in: Regenerate.
1774
1775 2010-10-20  Doug Kwan  <dougkwan@google.com>
1776
1777         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1778         without SHF_LINK_ORDER flags.
1779         * layout.cc (Layout::choose_output_section): Do not filter
1780         SHF_LINK_ORDER flag in a relocatable link.
1781
1782 2010-10-17  Cary Coutant  <ccoutant@google.com>
1783
1784         * output.h (Output_segment::set_section_addresses): Change function
1785         signature.  Update all callers.
1786         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1787         sections.
1788         (Output_segment::set_section_addresses): Align after last TLS
1789         section.  Add padding before last relro section instead of after.
1790
1791 2010-10-17  Doug Kwan  <dougkwan@google.com>
1792
1793         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1794         GOT output section to be writable.
1795
1796 2010-10-14  Cary Coutant  <ccoutant@google.com>
1797
1798         * debug.h (DEBUG_INCREMENTAL): New flag.
1799         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1800         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1801         mode.
1802         * incremental.cc (report_command_line): Ignore all forms of
1803         --incremental.
1804         * layout.cc (Layout::Layout): Check parameters for incremental link
1805         mode.
1806         * options.cc (General_options::parse_incremental): New function.
1807         (General_options::parse_no_incremental): New function.
1808         (General_options::parse_incremental_full): New function.
1809         (General_options::parse_incremental_update): New function.
1810         (General_options::incremental_mode_): New data member.
1811         (General_options::finalize): Check incremental_mode_.
1812         * options.h (General_options): Update help text for --incremental.
1813         Add --no-incremental, --incremental-full, --incremental-update.
1814         (General_options::Incremental_mode): New enum type.
1815         (General_options::incremental_mode): New function.
1816         (General_options::incremental_mode_): New data member.
1817         * parameters.cc (Parameters::incremental_mode_): New data member.
1818         (Parameters::set_options): Set incremental_mode_.
1819         (Parameters::set_incremental_full): New function.
1820         (Parameters::incremental): New function.
1821         (Parameters::incremental_update): New function.
1822         (set_parameters_incremental_full): New function.
1823         * parameters.h (Parameters::set_incremental_full): New function.
1824         (Parameters::incremental): New function.
1825         (Parameters::incremental_update): New function.
1826         (Parameters::incremental_mode_): New data member.
1827         (set_parameters_incremental_full): New function.
1828         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1829         incremental link mode.
1830         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1831         (Sized_relobj::do_relocate_sections): Likewise.
1832         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1833         option.
1834         * testsuite/Makefile.in: Regenerate.
1835         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1836
1837 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1838
1839         * script-sections.h (class Script_sections): Make
1840         Sections_elements typedef public.
1841         * script-sections.cc (class Sort_output_sections): Add elements_
1842         field.  Add constructor which sets it; change all callers.
1843         (Sort_output_sections::is_before): New function.
1844         (Sort_output_sections::operator()): Call is_before.
1845         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1846         conditional.
1847         * testsuite/script_test_10.sh: New test. Test script section
1848         order.
1849         * testsuite/script_test_10.t: Likewise.
1850         * testsuite/script_test_10.s: Likewise.
1851         * testsuite/Makefile.am: Wrap the cross linker tests and the
1852         common tests into NATIVE_OR_CROSS_LINKER.
1853         (check_SCRIPTS): Add script_test_10.sh.
1854         (check_DATA): Add script_test_10.stdout.
1855         (script_test_10.o, script_test_10): New targets.
1856         (script_test_10.stdout): New target.
1857         * configure, testsuite/Makefile.in: Regenerate.
1858
1859 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1860
1861         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1862         error for the deprecated relocations.
1863         (Target_arm::Scan::global): Likewise.
1864         (Target_arm::Relocate::relocate): Likewise.
1865
1866 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1867
1868         * fileread.cc (Input_file::find_file): Initialize *found_name
1869         and *namep when using the fallback search for case 4.
1870
1871 2010-10-11  Cary Coutant  <ccoutant@google.com>
1872
1873         * options.h (class General_options): Redefine -z lazy as an alias for
1874         the negation of -z now.
1875
1876 2010-10-11  Ian Lance Taylor  <iant@google.com>
1877
1878         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1879         binding.
1880
1881 2010-10-06  Nick Clifton  <nickc@redhat.com>
1882
1883         * script-sections.cc(class Memory_region): Remove
1884         current_lma_offset_ field.  Rename current_vma_offset_ to
1885         current_offset_.  Add last_section_ field.
1886         (Memory_region::get_current_vma_address): Rename to
1887         get_current_address.
1888         (Memory_region::get_current_lma_address): Delete.
1889         (Memory_region::increment_vma_offset): Rename to
1890         increment_offset.
1891         (Memory_region::increment_lma_offset): Delete.
1892         (Memory_region::attributes_compatible): New method.  Returns
1893         true if the provided section is compatible with the region.
1894         (Memory_region::get_last_section): New method.  Returns the last
1895         section to use the region.
1896         (Memory_region::set_last_section): New method.  Stores the last
1897         section to use the region.
1898         (Script_sections::block_in_region): New method.  Returns true if
1899         a block of memory is contained within a region.
1900         (Script_sections::find_memory_region): New method.  Locates a
1901         memory region to be used to set a VMA or LMA address.
1902         (Output_section_definition::set_section_addresses): Add code to
1903         check for addresses set by memory regions.
1904         (Output_segment::set_section_addresses): Remove memory region
1905         walking code.
1906         (Script_sections::create_segment): Add a warning if a header
1907         segment is created outside of any region.
1908         * script-sections.h (class Script_sections): Add prototypes for
1909         find_memory_region and block_in_region methods.
1910         * testsuite/memory_test.s: Use .long instead of .word.
1911         * testsuite/memory_test.t: Add some more output sections.
1912         * testsuite/memory_test.sh: Update expected output.
1913
1914 2010-10-02  Doug Kwan  <dougkwan@google.com>
1915
1916         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1917         defintion to symtab.h
1918         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1919         declaration to defintion.
1920
1921 2010-10-01  Nick Clifton  <nickc@redhat.com>
1922
1923         * expression.cc (eval): Replace dummy argument with NULL.
1924         (eval_maybe_dot): Check for a NULL result section pointer.
1925         (Symbol_expression::value): Likewise.
1926         (Dot_expression::value): Likewise.
1927         (BINARY_EXPRESSION): Likewise.
1928         (Max_expression::value): Likewise.
1929         (Min_expression::value): Likewise.
1930         (Absolute_expression::value): Likewise.
1931         (Addr_expression::value_from_output_section): Likewise.
1932         (Loaddddr_expression::value_from_output_section): Likewise.
1933         (Segment_start_expression::value): Likewise.
1934         * script-sections.cc
1935         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1936         argument with NULL.
1937         (Sections_elememt_dot_assignment::set_section_addresses):
1938         Likewise.
1939         (Output_data_expression::do_write_to_buffer): Likewise.
1940         (Output_section_definition::finalize_symbols): Likewise.
1941         (Output_section_definition::set_section_addresses): Likewise.
1942
1943 2010-09-30  Doug Kwan  <dougkwan@google.com>
1944
1945         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1946
1947 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1948
1949         * target.h (Target::can_icf_inline_merge_sections): New virtual
1950         function.
1951         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1952         virtual function.
1953         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1954         virtual function.
1955         * icf.cc (get_section_contents): Inline merge sections only when
1956         target allows it.
1957
1958 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1959
1960         * configure: Regenerate.
1961
1962 2010-09-17  Ian Lance Taylor  <iant@google.com>
1963
1964         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1965         * testsuite/Makefile.am (memory_test.o): New target.
1966         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1967         memory_test.t.
1968         * testsuite/Makefile.in: Rebuild.
1969
1970 2010-09-17  Doug Kwan  <dougkwan@google.com>
1971
1972         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
1973         defintion if relocation uses GOT entries of the symbol.
1974         * testsuite/icf_safe_test.sh: Fix test.
1975         * testsuite/icf_safe_so_test.sh: Fix test.
1976
1977 2010-09-16  Cary Coutant  <ccoutant@google.com>
1978
1979         * script_sections.cc (class Memory_region): Remove "NULL" from
1980         vector initializations.
1981
1982 2010-09-15  Cary Coutant  <ccoutant@google.com>
1983
1984         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
1985         Resolve forwarding symbols.
1986
1987 2010-09-15  Doug Kwan  <dougkwan@google.com>
1988
1989         * gold/testsuite/script_test_3.t: Add ARM special sections.
1990         * gold/testsuite/script_test_4.t: Same.
1991         * gold/testsuite/script_test_5.t: Same.
1992         * gold/testsuite/script_test_6.t: Same.
1993         * gold/testsuite/script_test_7.t: Same.
1994         * gold/testsuite/script_test_7.t: Same.
1995         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
1996
1997 2010-09-14  Cary Coutant  <ccoutant@google.com>
1998
1999         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2000         (Target_x86_64::Relocate::relocate_tls): Replace check for
2001         saw_tls_block_reloc_ with test for executable section.
2002
2003 2010-09-12  Cary Coutant  <ccoutant@google.com>
2004
2005         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2006         position-independent executables to shared libraries need dynamic
2007         relocations.
2008         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2009         position-independent executables.
2010         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2011         * testsuite/Makefile.in: Regenerate.
2012
2013 2010-09-10  Nick Clifton  <nickc@redhat.com>
2014
2015         PR gold/11997
2016         * testsuite/memory_test.t: Discard any sections that are not
2017         needed.
2018
2019 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2020
2021         PR gold/11996
2022         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2023         "This::" to work around a bug in gcc 4.2.
2024
2025         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2026
2027 2010-09-09  Rafael Espindola  <espindola@google.com>
2028
2029         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2030         sections with different PF_X flags in the same segment.
2031         (Layout::find_first_load_seg): Search all segments to find the first
2032         one.
2033         * options.h (rosegment): New.
2034
2035 2010-09-08  Rafael Espindola  <espindola@google.com>
2036
2037         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2038
2039 2010-09-08  Doug Kwan  <dougkwan@google.com>
2040
2041         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2042         (Arm_relobj::do_relocate_sections): Add new parameter for output
2043         file to match the parent.
2044         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2045         of local symbols instead of input values.  Update code to track
2046         changes in gold::relocate_section.
2047         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2048         (Sized_relobj::compute_final_local_value_internal): New methods.
2049         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2050         body into private version of Sized_relobj::compute_final_local_value.
2051         Call the inline method.
2052         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2053         merged symbol value if there is one.
2054         (Symbol_value::has_output_value): New method defintiion.
2055         (Sized_relobj::Compute_final_local_value_status): New enum type.
2056         (Sized_relobj::compute_final_local_value): New methods.
2057         (Sized_relobj::compute_final_local_value_internal): New methods.
2058         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2059         and arm_cortex_a8.sh.
2060         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2061         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2062         New tests.
2063         * Makefile.in: Regenerate.
2064         * testsuite/arm_bl_out_of_range.s: Update test.
2065         * testsuite/thumb_bl_out_of_range.s: Ditto.
2066         * testsuite/thumb_blx_out_of_range.s: Ditto.
2067         * testsuite/arm_branch_out_of_range.sh: New file.
2068         * testsuite/arm_cortex_a8.sh: Ditto.
2069         * testsuite/arm_cortex_a8_b.s: Ditto.
2070         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2071         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2072         * testsuite/arm_cortex_a8_bl.s: Ditto.
2073         * testsuite/arm_cortex_a8_blx.s: Ditto.
2074         * testsuite/arm_cortex_a8_local.s: Ditto.
2075         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2076         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2077
2078 2010-09-08  Rafael Espindola  <espindola@google.com>
2079
2080         * Makefile.am (memory_test.stdout): Run readelf with -W.
2081         * Makefile.in: Regenerate.
2082         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2083         64 bit output.
2084
2085 2010-09-08  Rafael Espindola  <espindola@google.com>
2086
2087         * script-sections.cc (Script_sections::add_memory_region): Convert
2088         field precision to int.
2089         * script.cc (script_set_section_region, script_set_section_region):
2090         Convert field precision to int.
2091
2092 2010-09-08  Rafael Espindola  <espindola@google.com>
2093
2094         * arm.cc (do_finalize_sections): Create the __exidx_start and
2095         __exdix_end symbols even when the section is missing.
2096
2097 2010-09-08  Nick Clifton  <nickc@redhat.com>
2098
2099         * README: Remove claim that MEMORY is not supported.
2100         * expression.cc (script_exp_function_origin)
2101         (script_exp_function_length): Move from here to ...
2102         * script.cc: ... here.
2103         (script_set_section_region, script_add_memory)
2104         (script_parse_memory_attr, script_include_directive): New
2105         functions.
2106         * script-sections.cc
2107         (class Memory_region): New class.
2108         (class Output_section_definition): Add set_memory_region,
2109         set_section_vma, set_section_lma and get_section_name methods.
2110         (class Script_Sections): Add add_memory_region,
2111         find_memory_region, find_memory_region_origin,
2112         find_memory_region_length and set_memory_region methods.
2113         Have set_section_addresses method walk the list of set memory
2114         regions.
2115         Extend the print methos to display memory regions.
2116         * script-sections.h: Add prototypes for new methods.
2117         Add enum for MEMORY region attributes.
2118         * yyscript.y: Add support for parsing MEMORY regions.
2119         * script-c.h: Add prototypes for new functions.
2120         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2121         * testsuite/Makefile.in: Regenerate.
2122         * testsuite/memory_test.sh: New script.
2123         * testsuite/memory_test.s: New assembler source file.
2124         * testsuite/memory_test.t: New linker script.
2125
2126 2010-08-27  Doug Kwan  <dougkwan@google.com>
2127
2128         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2129         reference override an existing dynamic weak reference.
2130         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2131         * testsuite/Makefile.in: Regenerate.
2132         * testsuite/dyn_weak_ref.sh: New file.
2133         * testsuite/dyn_weak_ref_1.c: Ditto.
2134         * testsuite/dyn_weak_ref_2.c: Ditto.
2135
2136 2010-08-27  Ian Lance Taylor  <iant@google.com>
2137
2138         * incremental.h (class Incremental_input_entry): Add virtual
2139         destructor.
2140
2141 2010-08-27  Ian Lance Taylor  <iant@google.com>
2142
2143         * testsuite/start_lib_test_3.c: Mark t3 as used.
2144
2145 2010-08-27  Nick Clifton  <nickc@redhat.com>
2146
2147         * options.cc (version_script): Fix small typo in previous
2148         whitespace tidyup.
2149
2150 2010-08-25  Nick Clifton  <nickc@redhat.com>
2151
2152         * archive.cc: Formatting fixes: Remove whitespace between
2153         typename and following asterisk.  Remove whitespace between
2154         function name and opening parenthesis.
2155         * archive.h: Likewise.
2156         * arm.cc: Likewise.
2157         * attributes.cc: Likewise.
2158         * attributes.h: Likewise.
2159         * common.cc: Likewise.
2160         * copy-relocs.cc: Likewise.
2161         * dirsearch.h: Likewise.
2162         * dynobj.cc: Likewise.
2163         * ehframe.cc: Likewise.
2164         * ehframe.h: Likewise.
2165         * expression.cc: Likewise.
2166         * fileread.cc: Likewise.
2167         * fileread.h: Likewise.
2168         * gc.h: Likewise.
2169         * gold-threads.cc: Likewise.
2170         * gold.cc: Likewise.
2171         * i386.cc: Likewise.
2172         * icf.h: Likewise.
2173         * incremental-dump.cc: Likewise.
2174         * incremental.cc: Likewise.
2175         * layout.cc: Likewise.
2176         * layout.h: Likewise.
2177         * main.cc: Likewise.
2178         * merge.cc: Likewise.
2179         * merge.h: Likewise.
2180         * object.cc: Likewise.
2181         * object.h: Likewise.
2182         * options.cc: Likewise.
2183         * options.h: Likewise.
2184         * output.cc: Likewise.
2185         * output.h: Likewise.
2186         * plugin.cc: Likewise.
2187         * plugin.h: Likewise.
2188         * powerpc.cc: Likewise.
2189         * reloc.cc: Likewise.
2190         * script-c.h: Likewise.
2191         * script-sections.cc: Likewise.
2192         * script.cc: Likewise.
2193         * stringpool.cc: Likewise.
2194         * symtab.cc: Likewise.
2195         * symtab.h: Likewise.
2196         * target.cc: Likewise.
2197         * timer.cc: Likewise.
2198         * timer.h: Likewise.
2199         * version.cc: Likewise.
2200         * x86_64.cc: Likewise.
2201
2202 2010-08-24  Nick Clifton  <nickc@redhat.com>
2203
2204         PR 11899
2205         * layout.cc (segment_precedes): Sort segments by their physical
2206         addresses, if they have been set.
2207
2208 2010-08-23  Cary Coutant  <ccoutant@google.com>
2209
2210         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2211         symbols data.
2212         (Lib_group::include_member): Unlock object after deleting its
2213         symbols data.
2214         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2215         the bug fixed here.
2216
2217 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2218             Cary Coutant  <ccoutant@google.com>
2219
2220         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2221         constructor, and set_blocker.
2222         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2223         readsyms_blocker_.
2224         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2225         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2226         * testsuite/Makefile.am (start_lib_test): New test case.
2227         * testsuite/Makefile.in: Regenerate.
2228         * testsuite/start_lib_test_main.c: New file.
2229         * testsuite/start_lib_test_1.c: New file.
2230         * testsuite/start_lib_test_2.c: New file.
2231         * testsuite/start_lib_test_3.c: New file.
2232
2233 2010-08-19  Ian Lance Taylor  <iant@google.com>
2234
2235         * Makefile.in: Rebuild with automake 1.11.1.
2236         * aclocal.m4: Likewise.
2237         * testsuite/Makefile.in: Likewise.
2238
2239 2010-08-19  Ian Lance Taylor  <iant@google.com>
2240
2241         PR 10893
2242         * i386.cc (class Output_data_plt_i386): Update declarations.
2243         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2244         local_ifuncs_ fields.
2245         (Target_i386::do_plt_section_for_global): New function.
2246         (Target_i386::do_plt_section_for_local): New function.
2247         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2248         parameter; change all callers.  Initialize global_ifuncs_ and
2249         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2250         __rel_iplt_end.
2251         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2252         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2253         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2254         symbols.
2255         (Target_i386::make_plt_section): New function, broken out of
2256         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2257         (Target_i386::make_plt_entry): Call make_plt_section.
2258         (Target_i386::make_local_ifunc_plt_entry): New function.
2259         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2260         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2261         R_386_IRELATIVE to switch.
2262         (Target_i386::Scan::global): Likewise.
2263         (Target_i386::Relocate::relocate): Likewise.
2264         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2265         switch.
2266         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2267         (Target_x86_64::do_plt_section_for_global): New function.
2268         (Target_x86_64::do_plt_section_for_local): New function.
2269         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2270         parameter; change all callers.  If doing a static link define
2271         __rela_iplt_start and __rela_iplt_end.
2272         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2273         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2274         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2275         to point to .plt.
2276         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2277         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2278         switch.
2279         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2280         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2281         R_X86_64_IRELATIVE to switch.
2282         (Target_x86_64::Scan::global): Likewise.
2283         (Target_x86_64::Relocate::relocate): Likewise.
2284         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2285         switch.
2286         * target.h (class Target): Add plt_section_for_global and
2287         plt_section_for_local functions.  Add do_plt_section_for_global
2288         and do_plt_section_for_local virtual functions.
2289         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2290         clarifying comments.
2291         (Symbol::use_plt_offset): Handle IFUNC symbol.
2292         * object.cc (Sized_relobj::Sized_relobj): Initialize
2293         local_plt_offsets_.
2294         (Sized_relobj::local_has_plt_offset): New function.
2295         (Sized_relobj::local_plt_offset): New function.
2296         (Sized_relobj::set_local_plt_offset): New function.
2297         (Sized_relobj::do_count): Handle IFUNC symbol.
2298         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2299         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2300         is_ifunc_symbol functions.
2301         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2302         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2303         local_plt_offsets_ field.
2304         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2305         * output.h (class Output_section_data): Add non-const
2306         output_section function.
2307         (class Output_data_got): Update declarations.
2308         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2309         Add use_plt_offset parameter to global and local constructors.
2310         Change all callers.  Change local_sym_index_ field to 31 bits.
2311         Change GSYM_CODE and CONSTANT_CODE accordingly.
2312         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2313         doing a static link don't set sh_link field.
2314         (Output_data_got::Got_entry::write): Use PLT offset if
2315         appropriate.
2316         (Output_data_got::add_global_plt): New function.
2317         (Output_data_got::add_local_plt): New function.
2318         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2319         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2320         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2321         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2322         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2323         IFUNC conditional.
2324         * testsuite/ifunc-sel.h: New file.
2325         * testsuite/ifuncmain1.c: New file.
2326         * testsuite/ifuncmain1vis.c: New file.
2327         * testsuite/ifuncmod1.c: New file.
2328         * testsuite/ifuncdep2.c: New file.
2329         * testsuite/ifuncmain2.c: New file.
2330         * testsuite/ifuncmain3.c: New file.
2331         * testsuite/ifuncmod3.c: New file.
2332         * testsuite/ifuncmain4.c: New file.
2333         * testsuite/ifuncmain5.c: New file.
2334         * testsuite/ifuncmod5.c: New file.
2335         * testsuite/ifuncmain6pie.c: New file.
2336         * testsuite/ifuncmod6.c: New file.
2337         * testsuite/ifuncmain7.c: New file.
2338         * configure, testsuite/Makefile.in: Rebuild.
2339
2340 2010-08-18  Ian Lance Taylor  <iant@google.com>
2341
2342         * incremental.cc
2343         (Output_section_incremental_inputs::write_input_files): Add cast
2344         to avoid signed/unsigned comparison warning.
2345         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2346
2347 2010-08-12  Cary Coutant  <ccoutant@google.com>
2348
2349         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2350
2351 2010-08-13  Ian Lance Taylor  <iant@google.com>
2352
2353         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2354
2355 2010-08-12  Cary Coutant  <ccoutant@google.com>
2356             Doug Kwan  <dougkwan@google.com>
2357
2358         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2359         defintion overrides non-weak undef, remember that the original undef
2360         is not weak.
2361         * symtab.cc (Symbol_table::sized_write_global): For undef without
2362         an original weak binding, set binding to global in output.
2363         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2364         * testsuite/Makefile.in: Regenerate.
2365         * testsuite/strong_ref_weak_def.sh: New file.
2366         * testsuite/strong_ref_weak_def_1.c: Ditto.
2367         * testsuite/strong_ref_weak_def_2.c: Ditto.
2368
2369 2010-08-12  Cary Coutant  <ccoutant@google.com>
2370
2371         * testsuite/incremental_test.sh: Rewrite.
2372         * testsuite/incremental_test_1.c: Rewrite.
2373         * testsuite/incremental_test_2.c: Rewrite.
2374
2375 2010-08-12  Cary Coutant  <ccoutant@google.com>
2376
2377         * arm.cc (Target_arm::got_size): Add const.
2378         (Target_arm::got_entry_count): New function.
2379         (Target_arm::plt_entry_count): New function.
2380         (Target_arm::first_plt_entry_offset): New function.
2381         (Target_arm::plt_entry_size): New function.
2382         (Output_data_plt_arm::entry_count): New function.
2383         (Output_data_plt_arm::first_plt_entry_offset): New function.
2384         (Output_data_plt_arm::get_plt_entry_size): New function.
2385         * i386.cc (Target_i386::got_size): Add const.
2386         (Target_i386::got_entry_count): New function.
2387         (Target_i386::plt_entry_count): New function.
2388         (Target_i386::first_plt_entry_offset): New function.
2389         (Target_i386::plt_entry_size): New function.
2390         (Output_data_plt_i386::entry_count): New function.
2391         (Output_data_plt_i386::first_plt_entry_offset): New function.
2392         (Output_data_plt_i386::get_plt_entry_size): New function.
2393         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2394         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2395         * incremental.cc: Include target.h.
2396         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2397         parameter.  Adjust all callers.  Find incremental_got_plt section.
2398         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2399         section.
2400         (Output_section_incremental_inputs::set_final_data_size): Calculate
2401         size of incremental_got_plt section.
2402         (Output_section_incremental_inputs::do_write): Write the
2403         incremental_got_plt section.
2404         (Got_plt_view_info): New struct.
2405         (Local_got_offset_visitor): New class.
2406         (Global_got_offset_visitor): New class.
2407         (Global_symbol_visitor_got_plt): New class.
2408         (Output_section_incremental_inputs::write_got_plt): New function.
2409         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2410         Add parameter.  Adjust all callers.
2411         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2412         (Incremental_inputs::got_plt_section): New function.
2413         (Incremental_inputs::got_plt_section_): New data member.
2414         (Incremental_got_plt_reader): New class.
2415         * layout.cc (Layout::create_incremental_info_sections): Add the
2416         incremental_got_plt section.
2417         * object.h (Got_offset_list::get_list): New function.
2418         (Got offset_list::for_all_got_offsets): New function.
2419         (Sized_relobj::local_got_offset_list): New function.
2420         * powerpc.cc (Target_powerpc::got_size): Add const.
2421         (Target_powerpc::got_entry_count): New function.
2422         (Target_powerpc::plt_entry_count): New function.
2423         (Target_powerpc::first_plt_entry_offset): New function.
2424         (Target_powerpc::plt_entry_size): New function.
2425         (Output_data_plt_powerpc::entry_count): New function.
2426         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2427         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2428         * sparc.cc (Target_sparc::got_size): Add const.
2429         (Target_sparc::got_entry_count): New function.
2430         (Target_sparc::plt_entry_count): New function.
2431         (Target_sparc::first_plt_entry_offset): New function.
2432         (Target_sparc::plt_entry_size): New function.
2433         (Output_data_plt_sparc::entry_count): New function.
2434         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2435         (Output_data_plt_sparc::get_plt_entry_size): New function.
2436         * symtab.h (Symbol::got_offset_list): New function.
2437         (Symbol_table::for_all_symbols): New function.
2438         * target.h (Sized_target::got_entry_count): New function.
2439         (Sized_target::plt_entry_count): New function.
2440         (Sized_target::plt_entry_size): New function.
2441         * x86_64.cc (Target_x86_64::got_size): Add const.
2442         (Target_x86_64::got_entry_count): New function.
2443         (Target_x86_64::plt_entry_count): New function.
2444         (Target_x86_64::first_plt_entry_offset): New function.
2445         (Target_x86_64::plt_entry_size): New function.
2446         (Output_data_plt_x86_64::entry_count): New function.
2447         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2448         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2449
2450 2010-08-12  Cary Coutant  <ccoutant@google.com>
2451
2452         * archive.cc: Include incremental.h.
2453         (Archive::Archive): Initialize incremental_info_.
2454         (Archive::include_member): Record archive members in incremental info.
2455         (Add_archive_symbols::run): Record begin and end of an archive in
2456         incremental info.
2457         (Lib_group::include_member): Record objects in incremental info.
2458         * archive.h (Incremental_archive_entry): Forward declaration.
2459         (Archive::set_incremental_info): New member function.
2460         (Archive::incremental_info): New member function.
2461         (Archive::Unused_symbol_iterator): New class.
2462         (Archive::unused_symbols_begin): New member function.
2463         (Archive::unused_symbols_end): New member function.
2464         (Archive::incremental_info_): New data member.
2465         * incremental-dump.cc (find_input_containing_global): New function.
2466         (dump_incremental_inputs): Dump new incremental info sections.
2467         * incremental.cc: Include symtab.h.
2468         (Output_section_incremental_inputs): New class.
2469         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2470         new incremental info sections.
2471         (Sized_incremental_binary::do_check_inputs): Likewise.
2472         (Incremental_inputs::report_archive): Remove.
2473         (Incremental_inputs::report_archive_begin): New function.
2474         (Incremental_inputs::report_archive_end): New function.
2475         (Incremental_inputs::report_object): New function.
2476         (Incremental_inputs::finalize_inputs): Remove.
2477         (Incremental_inputs::report_input_section): New function.
2478         (Incremental_inputs::report_script): Rewrite.
2479         (Incremental_inputs::finalize): Do nothing but finalize string table.
2480         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2481         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2482         (Incremental_inputs::create_data_sections): New function.
2483         (Incremental_inputs::relocs_entsize): New function.
2484         (Output_section_incremental_inputs::set_final_data_size): New function.
2485         (Output_section_incremental_inputs::do_write): New function.
2486         (Output_section_incremental_inputs::write_header): New function.
2487         (Output_section_incremental_inputs::write_input_files): New function.
2488         (Output_section_incremental_inputs::write_info_blocks): New function.
2489         (Output_section_incremental_inputs::write_symtab): New function.
2490         * incremental.h (Incremental_script_entry): Forward declaration.
2491         (Incremental_object_entry): Forward declaration.
2492         (Incremental_archive_entry): Forward declaration.
2493         (Incremental_inputs): Forward declaration.
2494         (Incremental_inputs_header_data): Remove.
2495         (Incremental_inputs_header): Remove.
2496         (Incremental_inputs_header_write): Remove.
2497         (Incremental_inputs_entry_data): Remove.
2498         (Incremental_inputs_entry): Remove.
2499         (Incremental_inputs_entry_write): Remove.
2500         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2501         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2502         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2503         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2504         Likewise.
2505         (Incremental_input_entry): New class.
2506         (Incremental_script_entry): New class.
2507         (Incremental_object_entry): New class.
2508         (Incremental_archive_entry): New class.
2509         (Incremental_inputs::Incremental_inputs): Initialize new data members.
2510         (Incremental_inputs::report_inputs): Remove.
2511         (Incremental_inputs::report_archive): Remove.
2512         (Incremental_inputs::report_archive_begin): New function.
2513         (Incremental_inputs::report_archive_end): New function.
2514         (Incremental_inputs::report_object): Change prototype.
2515         (Incremental_inputs::report_input_section): New function.
2516         (Incremental_inputs::report_script): Change prototype.
2517         (Incremental_inputs::get_reloc_count): New function.
2518         (Incremental_inputs::set_reloc_count): New function.
2519         (Incremental_inputs::create_data_sections): New function.
2520         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2521         (Incremental_inputs::inputs_section): New function.
2522         (Incremental_inputs::symtab_section): New function.
2523         (Incremental_inputs::relocs_section): New function.
2524         (Incremental_inputs::get_stringpool): Add const.
2525         (Incremental_inputs::command_line): Add const.
2526         (Incremental_inputs::inputs): Remove.
2527         (Incremental_inputs::command_line_key): New function.
2528         (Incremental_inputs::input_file_count): New function.
2529         (Incremental_inputs::input_files): New function.
2530         (Incremental_inputs::relocs_entsize): New function.
2531         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2532         (Incremental_inputs::finalize_inputs): Remove.
2533         (Incremental_inputs::Input_info): Remove.
2534         (Incremental_inputs::lock_): Remove.
2535         (Incremental_inputs::inputs_): Change type.
2536         (Incremental_inputs::inputs_map_): Remove.
2537         (Incremental_inputs::current_object_entry_): New data member.
2538         (Incremental_inputs::inputs_section_): New data member.
2539         (Incremental_inputs::symtab_section_): New data member.
2540         (Incremental_inputs::relocs_section_): New data member.
2541         (Incremental_inputs::reloc_count_): New data member.
2542         (Incremental_inputs_reader): New class.
2543         (Incremental_symtab_reader): New class.
2544         (Incremental_relocs_reader): New class.
2545         * layout.cc (Layout::finalize): Move finalization of incremental info
2546         and creation of incremental info sections to follow finalization of
2547         symbol table.  Set offsets for postprocessing sections.
2548         (Layout::create_incremental_info_sections): Call
2549         Incremental_inputs::create_data_sections.  Add incremental symtab
2550         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
2551         sections to layout after input sections.
2552         * layout.h (struct Timespec): Forward declaration.
2553         (Layout::incremental_inputs): Add const.
2554         (Layout::create_incremental_info_sections): Add parameter.
2555         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
2556         * object.cc: Include incremental.h.
2557         (Relobj::finalize_incremental_relocs): New function.
2558         (Sized_relobj::do_layout): Record input sections in incremental info.
2559         * object.h (Object::output_section): New function.
2560         (Object::output_section_offset): Moved from Relobj.
2561         (Object::get_incremental_reloc_base): New function.
2562         (Object::get_incremental_reloc_count): New function.
2563         (Object::do_output_section): New function.
2564         (Object::do_output_section_offset): Moved from Relobj.
2565         (Object::do_get_incremental_reloc_base): New function.
2566         (Object::do_get_incremental_reloc_count): New function.
2567         (Object::Object): Initialize new data members.
2568         (Relobj::output_section): Renamed do_output_section and moved to
2569         protected.
2570         (Relobj::output_section_offset): Moved to Object.
2571         (Relobj::do_get_incremental_reloc_base): New function.
2572         (Relobj::do_get_incremental_reloc_count): New function.
2573         (Relobj::allocate_incremental_reloc_counts): New function.
2574         (Relobj::count_incremental_reloc): New function.
2575         (Relobj::finalize_incremental_relocs): New function.
2576         (Relobj::next_incremental_reloc_index): New function.
2577         (Relobj::reloc_counts_): New data member.
2578         (Relobj::reloc_bases_): New data member.
2579         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
2580         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
2581         (Sized_relobj::incremental_relocs_scan): New function.
2582         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2583         (Sized_relobj::incremental_relocs_write): New function.
2584         (Sized_relobj::incremental_relocs_write_reltype): New function.
2585         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
2586         incremental link.
2587         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
2588         archives and object files elsewhere.
2589         (Add_symbols::run): Report object files here.
2590         (Finish_group::run): Report end of archive at end of group.
2591         * reloc.cc: Include layout.h, incremental.h.
2592         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
2593         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
2594         (Sized_relobj::incremental_relocs_scan): New function.
2595         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2596         (Sized_relobj::do_relocate_sections): Write incremental relocations.
2597         (Sized_relobj::incremental_relocs_write): New function.
2598         (Sized_relobj::incremental_relocs_write_reltype): New function.
2599         * script.cc (read_input_script): Rewrite test for incremental link.
2600         Change call to Incremental_inputs::report_script.
2601         * symtab.h (Symbol_table::first_global_index): New function.
2602         (Symbol_table::output_count): New function.
2603
2604 2010-08-12  Doug Kwan  <dougkwan@google.com>
2605
2606         * arm.cc (Target_arm::merge_object_attributes): Check command line
2607         options --no-wchar-size-warning and --no-enum-size-warning.
2608         * options.h (General_options): Add ld-compatible options
2609         --no-enum-size-warning and --no-wchar-size-warning.
2610
2611 2010-08-04  Ian Lance Taylor  <iant@google.com>
2612
2613         * x86_64.cc (Target_x86_64::Scan::local): Use
2614         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
2615         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
2616         (Target_x86_64::Scan::global): Likewise.
2617         (Target_x86_64::Relocate::relocate): Likewise.
2618         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
2619         Likewise.
2620
2621 2010-08-03  Cary Coutant  <ccoutant@google.com>
2622
2623         * merge.cc (Output_merge_string::do_add_input_section): Count strings
2624         to reserve space in merged_strings vector. Keep total input size
2625         for stats.
2626         (Output_merge_string::do_print_merge_stats): Print total input size.
2627         * merge.h (Output_merge_string): Add input_size_ field.
2628         * stringpool.cc (Stringpool_template::string_length): Move
2629         implementations out of Stringpool_template class and place in
2630         stringpool.h.
2631         * stringpool.h (string_length): Move out of Stringpool_template.
2632
2633 2010-08-03  Ian Lance Taylor  <iant@google.com>
2634
2635         PR 11712
2636         * layout.cc (relaxation_loop_body): If address of load segment is
2637         set, adjust address to include headers if possible.
2638
2639 2010-08-03  Ian Lance Taylor  <iant@google.com>
2640
2641         * version.cc (version_string): Bump to 1.10.
2642
2643 2010-08-03  Ian Lance Taylor  <iant@google.com>
2644
2645         PR 11805
2646         * layout.h (enum Output_section_order): Define.
2647         (class Layout): Update declarations.
2648         * layout.cc (Layout::get_output_section): Add order parameter.
2649         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
2650         is_first_non_relro parameters.  Change all callers.
2651         (Layout::choose_output_section): Likewise.
2652         (Layout::add_output_section_data): Likewise.
2653         (Layout::make_output_section): Likewise.  Set order.
2654         (Layout::default_section_order): New function.
2655         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
2656         * output.cc (Output_section::Output_section): Initialize order_.
2657         Don't initialize deleted fields.
2658         (Output_segment::Output_segment): Don't initialize deleted
2659         fields.
2660         (Output_segment::add_output_section_to_load): New function
2661         replacing add_output_section.  Change all callers to call this or
2662         add_output_section_to_nonload.
2663         (Output_segment::add_output_section_to_nonload): New function.
2664         (Output_segment::remove_output_section): Rewrite.
2665         (Output_segment::add_initial_output_data): Likewise.
2666         (Output_segment::has_any_data_sections): Likewise.
2667         (Output_segment::is_first_section_relro): Likewise.
2668         (Output_segment::maximum_alignment): Likewise.
2669         (Output_segment::has_dynamic_reloc): New function replacing
2670         dynamic_reloc_count.  Change all callers.
2671         (Output_segment::has_dynamic_reloc_list): New function replacing
2672         dynamic_reloc_count_list.  Change all callers.
2673         (Output_segment::set_section_addresses): Rewrite.
2674         (Output_segment::set_offset): Rewrite.
2675         (Output_segment::find_first_and_last_list): Remove.
2676         (Output_segment::set_tls_offsets): Rewrite.
2677         (Output_segment::first_section_load_address): Likewise.
2678         (Output_segment::output_section_count): Likewise.
2679         (Output_segment::section_with_lowest_load_address): Likewise.
2680         (Output_segment::write_section_headers): Likewise.
2681         (Output_segment::print_sections_to_map): Likewise.
2682         * output.h (class Output_data): Remove dynamic_reloc_count_
2683         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2684         (Output_data::add_dynamic_reloc): Rewrite.
2685         (Output_data::has_dynamic_reloc): New function.
2686         (Output_data::dynamic_reloc_count): Remove.
2687         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2688         is_last_relro_, is_first_non_relro_, is_interp_,
2689         is_dynamic_linker_section_ fields.  Add order and set_order
2690         functions.  Remove is_relro_local, set_is_relro_local,
2691         is_last_relro, set_is_last_relro, is_first_non_relro,
2692         set_is_first_non_relro functions, is_interp, set_is_interp,
2693         is_dynamic_linker_section, and set_is_dynamic_linker_section
2694         functions.
2695         (class Output_segment): Change Output_data_list from std::list to
2696         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2697         output_bss_ fields.  Update declarations.
2698
2699 2010-08-02  Ian Lance Taylor  <iant@google.com>
2700
2701         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2702         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2703         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2704
2705 2010-08-02  Ian Lance Taylor  <iant@google.com>
2706
2707         PR 11855
2708         * script.cc (Script_options::Script_options): Initialize
2709         symbol_definitions_ and symbol_references_.
2710         (Script_options::add_symbol_assignment): Update
2711         symbol_definitions_ and symbol_references_.
2712         (Script_options::add_symbol_reference): New function.
2713         (script_symbol): New function.
2714         * script.h (class Script_options): Add symbol_definitions_ and
2715         symbol_references_ fields.
2716         (Script_options::referenced_const_iterator): New type.
2717         (Script_options::referenced_begin): New function.
2718         (Script_options::referenced_end): New function.
2719         (Script_options::is_referenced): New function.
2720         (Script_options::any_unreferenced): New function.
2721         * script-c.h (script_symbol): Declare.
2722         * yyscript.y (exp): Call script_symbol.
2723         * symtab.cc: Include "script.h".
2724         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2725         Change all callers.  Check symbols referenced by scripts.
2726         (Symbol_table::add_undefined_symbols_from_command_line): Add
2727         layout parameter.  Change all callers.
2728         (Symbol_table::do_add_undefined_symbols_from_command_line):
2729         Likewise.  Break out loop body.  Check symbols referenced by
2730         scripts.
2731         (Symbol_table::add_undefined_symbol_from_command_line): New
2732         function broken out of
2733         do_add_undefined_symbols_from_command_line.
2734         * symtab.h (class Symbol_table): Update declarations.
2735         * archive.cc: Include "layout.h".
2736         (Archive::should_include_member): Add layout parameter.  Change
2737         all callers.  Check for symbol mentioned in expression.
2738         * archive.h (class Archive): Update declaration.
2739         * object.cc (Sized_relobj::do_should_include_member): Add layout
2740         parameter.
2741         * object.h (Object::should_include_member): Add layout parameter.
2742         Change all callers.
2743         (Object::do_should_include_member): Add layout parameter.
2744         (class Sized_relobj): Update declaration.
2745         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2746         parameter.
2747         * dynobj.h (class Sized_dynobj): Update declaration.
2748         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2749         layout parameter.
2750         * plugin.h (class Sized_pluginobj): Update declaration.
2751
2752 2010-08-02  Ian Lance Taylor  <iant@google.com>
2753
2754         PR 11866
2755         * output.cc (Output_segment::set_offset): Search for the first and
2756         last sections rather than assuming that the list is in order.
2757         (Output_segment::find_first_and_last_list): New function.
2758         * output.h (class Output_segment): Update declarations.
2759         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2760         (relro_strip_test_SOURCES): New variable.
2761         (relro_strip_test_DEPENDENCIES): New variable.
2762         (relro_strip_test_LDFLAGS): New variable.
2763         (relro_strip_test_LDADD): New variable.
2764         (relro_strip_test.so): New target.
2765
2766 2010-08-02  Ian Lance Taylor  <iant@google.com>
2767
2768         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2769         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2770         (Target_i386::got_tlsdesc_section): New function.
2771         (Target_i386::got_section): Create space for GOT entries for
2772         TLSDESC relocations.
2773         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2774         R_386_TLS_GOTDESC.
2775         (Target_i386::Scan::global): Likewise.
2776         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2777         using TLSDESC GOT.
2778         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2779         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2780         (Target_x86_64::got_tlsdesc_section): New function.
2781         (Target_x86_64::got_section): Create space for GOT entries for
2782         TLSDESC relocations.
2783         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2784         R_386_TLS_GOTDESC.
2785         (Target_x86_64::Scan::global): Likewise.
2786         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2787         using TLSDESC GOT.
2788
2789 2010-08-02  Ian Lance Taylor  <iant@google.com>
2790
2791         * testsuite/final_layout.sh: Use dc to convert from hex to
2792         decimal.
2793
2794 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2795
2796         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2797         paramter to the call to gold::gc_process_relocs.
2798         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2799         paramter to the call to gold::gc_process_relocs.
2800         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2801         parameter to the call to gold::gc_process_relocs.
2802         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2803         template parameter to the call to gold::gc_process_relocs.
2804         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2805         paramter to the call to gold::gc_process_relocs.
2806         * gc.h (get_embedded_addend_size): New function.
2807         (gc_process_relocs): Save the size of the reloc for use by ICF.
2808         * icf.cc (get_section_contents): Get the addend from the text section
2809         for SHT_REL relocation sections.
2810         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2811         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2812         * int_encoding.h (read_from_pointer): New overloaded function.
2813         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2814         * testsuite/icf_sht_rel_addend_test.sh: New file.
2815         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2816         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2817
2818 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2819
2820         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2821         * Makefile.in: Regenerate.
2822         * testsuite/Makefile.in: Regenerate.
2823
2824 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2825
2826         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2827         * gold/testsuite/debug_msg.cc: Likewise.
2828         * gold/testsuite/odr_violation1.cc
2829         * gold/testsuite/odr_violation2.cc
2830
2831 2010-07-21  Cary Coutant  <ccoutant@google.com>
2832
2833         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2834         string, and length fields.
2835         (Output_merge_string::Merged_strings_list): New type.
2836         (Output_merge_string::Merged_strings_lists): New typedef.
2837         (Output_merge_string): Replace merged_strings_ with
2838         merged_strings_lists_.
2839         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2840         Merged_strings_list per input object and section.  Don't store pointer
2841         to the string.  Don't store length with each merged string entry.
2842         (Output_merge_string::finalize_merged_data): Loop over list of merged
2843         strings lists.  Recompute length of each merged string.
2844
2845 2010-07-15  Cary Coutant  <ccoutant@google.com>
2846
2847         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2848         here.
2849
2850 2010-07-14  Ian Lance Taylor  <iant@google.com>
2851
2852         * descriptors.cc (Descriptors::open): Report correct name in error
2853         message.
2854
2855 2010-07-13  Doug Kwan  <dougkwan@google.com>
2856
2857         * arm.cc (Arm_input_section::Arm_input_section): For a
2858         SHT_ARM_EXIDX section, always keeps the input sections.
2859         (Arm_input_section::set_exidx_section_link): New method.
2860         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2861         has_errors_ to false.
2862         (Arm_exidx_input_section::has_errors,
2863         Arm_exidx_input_section::set_has_errors): New methods.
2864         (Arm_exidx_input_section::has_errors_): New data member.
2865         (Arm_relobj::get_exidx_shndx_list): New method.
2866         (Arm_output_section::append_text_sections_to_list): Do not skip
2867         section without SHF_EXECINSTR.
2868         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2869         errors.
2870         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2871         section header.  Make error messages more verbose.  Check for
2872         a non-executable section linked to an EXIDX section.
2873         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2874         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2875         check that there is no deferred EXIDX section if we exit early.
2876         Instead of not making an EXIDX section in case of an error, make one
2877         and set the has_errors flag of it.
2878         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2879         in a relocatable link.
2880         (Target_arm::do_relax): Look for the EXIDX output section instead of
2881         assuming that it is called .ARM.exidx.
2882         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2883         section list.  Do not check for SHF_EXECINSTR section flags but
2884         skip any input section with errors.
2885         * output.cc (Output_section::Output_section): Initialize
2886         always_keeps_input_sections_ to false.
2887         (Output_section::add_input_section): Check for
2888         always_keeps_input_sections_.
2889         *  output.h (Output_section::always_keeps_input_sections,
2890         Output_section::set_always_keeps_input_sections): New methods.
2891         (Output_section::always_keeps_input_sections): New data member.
2892
2893 2010-07-13  Rafael Espindola  <espindola@google.com>
2894
2895         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2896         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2897
2898 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2899             Ian Lance Taylor  <iant@google.com>
2900
2901         * output.h (Output_section_lookup_maps::add_merge_section):
2902         Correct check of whether value was inserted.
2903         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2904         (Output_section_lookup_maps::add_relaxed_input_section):
2905         Likewise.
2906         * arm.cc (Target_arm::got_section): Remove used local os.
2907         * i386.cc (Target_i386::got_section): Likewise.
2908         * x86_64.cc (Target_x86_64::got_section): Likewise.
2909         * sparc.cc (Target_sparc::got_section): Likewise.
2910         (Target_sparc::relocate): Remove unused local have_got_offset.
2911         * powerpc.cc (Target_powerpc::relocate): Likewise.
2912
2913 2010-07-13  Ian Lance Taylor  <iant@google.com>
2914
2915         * compressed_output.cc (zlib_decompress): Fix signature in
2916         !HAVE_ZLIB_H case.
2917
2918         * archive.cc (Archive::include_member): Unlock an external member
2919         of a thin archive.  Don't bother to delete an object we know is
2920         NULL.
2921
2922 2010-07-12  Cary Coutant  <ccoutant@google.com>
2923
2924         * compressed_output.cc (zlib_decompress): New function.
2925         (get_uncompressed_size): New function.
2926         (decompress_input_section): New function.
2927         * compressed_output.h (get_uncompressed_size): New function.
2928         (decompress_input_section): New function.
2929         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2930         Handle compressed debug sections.
2931         * layout.cc (is_compressed_debug_section): New function.
2932         (Layout::output_section_name): Map compressed section names to
2933         canonical names.
2934         * layout.h (is_compressed_debug_section): New function.
2935         (is_debug_info_section): Recognize compressed debug sections.
2936         * merge.cc: Include compressed_output.h.
2937         (Output_merge_data::do_add_input_section): Handle compressed
2938         debug sections.
2939         (Output_merge_string::do_add_input_section): Handle compressed
2940         debug sections.
2941         * object.cc: Include compressed_output.h.
2942         (Sized_relobj::Sized_relobj): Initialize new data members.
2943         (build_compressed_section_map): New function.
2944         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2945         * object.h (Object::section_is_compressed): New method.
2946         (Object::do_section_is_compressed): New method.
2947         (Sized_relobj::Compressed_section_map): New type.
2948         (Sized_relobj::do_section_is_compressed): New method.
2949         (Sized_relobj::compressed_sections_): New data member.
2950         * output.cc (Output_section::add_input_section): Handle compressed
2951         debug sections.
2952         * reloc.cc: Include compressed_output.h.
2953         (Sized_relobj::write_sections): Handle compressed debug sections.
2954
2955 2010-07-08  Cary Coutant  <ccoutant@google.com>
2956
2957         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2958         weak when resolving to a dynamic def.
2959         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2960         for weak undef/dynamic def cases. Adjust callers.
2961         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2962         undef_binding_weak_.
2963         (Symbol_table::sized_write_globals): Adjust symbol binding.
2964         (Symbol_table::sized_write_symbol): Add binding parameter.
2965         * symtab.h (Symbol::set_undef_binding): New method.
2966         (Symbol::is_undef_binding_weak): New method.
2967         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2968         (Symbol_table::should_override): Add new parameter.
2969         (Symbol_table::sized_write_symbol): Add new parameter.
2970
2971         * testsuite/weak_undef_file1.cc: Add new test case.
2972         * testsuite/weak_undef_file2.cc: Fix header comment.
2973         * testsuite/weak_undef_test.cc: Add new test case.
2974
2975 2010-06-29  Doug Kwan  <dougkwan@google.com>
2976
2977         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
2978         Initialize USE_SYMBOL_.
2979         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
2980         definition.
2981         (Arm_reloc_property::uses_symbol_): New data member declaration.
2982         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
2983         uses symbol value and symbol is undefined but not weakly undefined.
2984
2985 2010-06-28  Rafael Espindola  <espindola@google.com>
2986
2987         * plugin.cc (Plugin::load): Use dlerror.
2988
2989 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2990
2991         * symtab.cc (detect_odr_violations): When reporting an ODR
2992         violation, report an object where the symbol is defined.
2993
2994 2010-06-25  Doug Kwan  <dougkwan@google.com>
2995
2996         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
2997         (Target_arm::section_may_have_icf_unsafe_pointers): New method
2998         definition.
2999         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3000         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3001         target hook to detect function points.
3002         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3003         * icf.h (Icf::check_section_for_function_pointers): Change type of
3004         parameter SECTION_NAME to const reference to std::string.  Use
3005         target hook to determine if section may have unsafe pointers.
3006         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3007         method definition.
3008
3009 2010-06-21  Rafael Espindola  <espindola@google.com>
3010
3011         * fileread.cc (Input_file::find_fie): New
3012         (Input_file::open): Use Input_file::find_fie.
3013         * fileread.h (Input_file::find_fie): New
3014         * plugin.cc (set_extra_library_path): New.
3015         (Plugin::load): Add set_extra_library_path to the transfer vector.
3016         (Plugin_manager::set_extra_library_path): New.
3017         (Plugin_manager::add_input_file): Use the extra search path if set.
3018         (set_extra_library_path(): New.
3019         * plugin.h (Plugin_manager): Add set_extra_library_path and
3020         extra_search_path_.
3021
3022 2010-06-19  Cary Coutant  <ccoutant@google.com>
3023
3024         * layout.cc (gdb_sections): Add .debug_types.
3025         (lines_only_debug_sections): Likewise.
3026
3027 2010-06-18  Rafael Espindola  <espindola@google.com>
3028
3029         * plugin.cc (add_input_file,add_input_library)
3030         (Plugin_manager::add_input_file): Make filename arguments const.
3031         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3032         const.
3033
3034 2010-06-16  Doug Kwan  <dougkwan@google.com>
3035
3036         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3037         .ARM.attributes section if we have not merged any input
3038         attributes sections.
3039
3040 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3041
3042         * arm.cc: Allow combining objects with no EABI version
3043         information.
3044
3045 2010-06-15  Rafael Espindola  <espindola@google.com>
3046
3047         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3048
3049 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3050
3051         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3052         (struct iovec): Correct !HAVE_READV definition.
3053
3054 2010-06-10  Cary Coutant  <ccoutant@google.com>
3055
3056         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3057         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3058         reloc sections.
3059         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3060
3061         PR 11683
3062         * symtab.h (Symbol::is_placeholder): New member function.
3063         * target-reloc.h (relocate_section): Check for placeholder symbols.
3064
3065         * testsuite/Makefile.am (plugin_test_8): New test.
3066         (plugin_test_9): New test.
3067         * testsuite/Makefile.in: Regenerate.
3068
3069 2010-06-09  Nick Clifton  <nickc@redhat.com>
3070
3071         * yyscript.y (input_list_element): Allow strings prefixed with
3072         the '-' character.  Treat these as libraries.
3073         * script.cc (script_add_library): New function.  Adds a library
3074         specified by "-l<name>" found in an input script.
3075         * script-c.h: Add prototype for script_add_library.
3076
3077 2010-06-07  Doug Kwan  <dougkwan@google.com>
3078
3079         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3080         Restrict stub-group size to be within long conditional branch
3081         range when working around cortex-A8 erratum.
3082
3083 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3084
3085         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3086         #ifdef typo.
3087
3088 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3089
3090         PR gold/11658
3091         * output.cc
3092         (Output_section::Input_section_sort_entry::compare_section_ordering):
3093         Change to return non-zero correctly.
3094         (Output_section::Input_section_sort_section_order_index_compare
3095         ::operator()): Change to fix ambiguity in comparisons.
3096
3097 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3098
3099         * gold.h (is_wildcard_string): New function.
3100         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3101         (Layout::layout_eh_frame): Ditto.
3102         (Layout::find_section_order_index): New method.
3103         (Layout::read_layout_from_file): New method.
3104         * layout.h (Layout::find_section_order_index): New method.
3105         (Layout::read_layout_from_file): New method.
3106         (Layout::input_section_position_): New private member.
3107         (Layout::input_section_glob_): New private member.
3108         * main.cc (main): Call read_layout_from_file here.
3109         * options.h (--section-ordering-file): New option.
3110         * output.cc (Output_section::input_section_order_specified_): New
3111         member.
3112         (Output_section::Output_section): Initialize new member.
3113         (Output_section::add_input_section): Add new parameter.
3114         Keep input sections when --section-ordering-file is used.
3115         (Output_section::set_final_data_size): Sort input sections when
3116         section ordering file is specified.
3117         (Output_section::Input_section_sort_entry): Add new parameter.
3118         Check sorting type.
3119         (Output_section::Input_section_sort_entry::compare_section_ordering):
3120         New method.
3121         (Output_section::Input_section_sort_compare::operator()): Change to
3122         consider section_order_index.
3123         (Output_section::Input_section_sort_init_fini_compare::operator()):
3124         Change to consider section_order_index.
3125         (Output_section::Input_section_sort_section_order_index_compare
3126         ::operator()): New method.
3127         (Output_section::sort_attached_input_sections): Change to sort
3128         according to section order when specified.
3129         (Output_section::add_input_section<32, true>): Add new parameter.
3130         (Output_section::add_input_section<64, true>): Add new parameter.
3131         (Output_section::add_input_section<32, false>): Add new parameter.
3132         (Output_section::add_input_section<64, false>): Add new parameter.
3133         * output.h (Output_section::add_input_section): Add new parameter.
3134         (Output_section::input_section_order_specified): New
3135         method.
3136         (Output_section::set_input_section_order_specified): New method.
3137         (Input_section::Input_section): Initialize section_order_index_.
3138         (Input_section::section_order_index): New method.
3139         (Input_section::set_section_order_index): New method.
3140         (Input_section::section_order_index_): New member.
3141         (Input_section::Input_section_sort_section_order_index_compare): New
3142         struct.
3143         (Output_section::input_section_order_specified_): New member.
3144         * script-sections.cc (is_wildcard_string): Delete and move modified
3145         method to gold.h.
3146         (Output_section_element_input::Output_section_element_input): Modify
3147         call to is_wildcard_string.
3148         (Output_section_element_input::Input_section_pattern
3149         ::Input_section_pattern): Ditto.
3150         (Output_section_element_input::Output_section_element_input): Ditto.
3151         * testsuite/Makefile.am (final_layout): New test case.
3152         * testsuite/Makefile.in: Regenerate.
3153         * testsuite/final_layout.cc: New file.
3154         * testsuite/final_layout.sh: New file.
3155
3156 2010-06-01  Rafael Espindola  <espindola@google.com>
3157
3158         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3159
3160 2010-06-01  Rafael Espindola  <espindola@google.com>
3161
3162         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3163         visibility of symbols.
3164
3165 2010-05-27  Doug Kwan  <dougkwan@google.com>
3166
3167         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3168         from start of output section instead of address for a local symbol
3169         in a merged or relaxed section when doing a relocatable link.
3170
3171 2010-05-26  Rafael Espindola  <espindola@google.com>
3172
3173        PR 11604
3174         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3175         adding sections the garbage collector removed.
3176         * gold/testsuite/Makefile.am: Add test.
3177         * gold/testsuite/Makefile.in: Regenerate.
3178         * gold/testsuite/plugin_test_7.sh: New.
3179         * gold/testsuite/plugin_test_7_1.c: New.
3180         * gold/testsuite/plugin_test_7_2.c: New.
3181
3182 2010-05-26  Rafael Espindola  <espindola@google.com>
3183
3184         * script-sections.cc (Output_section_definition::set_section_addresses):
3185         Check for --section-start.
3186
3187 2010-05-26  Doug Kwan  <dougkwan@google.com>
3188
3189         * arm.cc (Arm_scan_relocatable_relocs): New class.
3190         (Target_arm::relocate_special_relocatable): New method.
3191         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3192         (Arm_relocate_functions::thumb_branch_common): Same.
3193         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3194         instead of Default_scan_relocatable_relocs.
3195         * target-reloc.h (relocate_for_relocatable): Let target handle
3196         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3197         * target.h (Sized_target::relocate_special_relocatable): New method.
3198
3199 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3200
3201         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3202
3203 2010-05-23  Doug Kwan  <dougkwan@google.com>
3204
3205         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3206         instead of a cast.
3207         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3208         with a direct branch, not a conditional branch, to a stub.
3209         * merge.cc (Output_merge_base::record_input_section): New method
3210         defintion.
3211         (Output_merge_data::do_add_input_section): Record input section if
3212         keeps-input-sections flag is set.
3213         (Output_merge_string::do_add_input_section): Ditto.
3214         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3215         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3216         INPUT_SECTIONS_.
3217         (Output_merge_base::keeps_input_sections,
3218         Output_merge_base::set_keeps_input_sections,
3219         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3220         method definitions.
3221         (Output_merge_base::Input_sections): New type declaration.
3222         (Output_merge_base::input_sections_begin,
3223         Output_merge_base::input_sections_end,
3224         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3225         (Output_merge_base::bool keeps_input_sections_,
3226         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3227         Output_merge_base::input_sections_): New data members.
3228         (Output_merge_data::do_set_keeps_input_sections): New method
3229         defintion.
3230         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3231         * output.cc (Output_section::Input_section::relobj): Move method
3232         defintion from class declaration to here and handle merge sections.
3233         (Output_section::Input_section::shndx): Ditto.
3234         (Output_section::Output_section): Remove initializations of removed
3235         data members and initialize new data member LOOKUP_MAPS_.
3236         (Output_section::add_input_section): Set keeps-input-sections flag
3237         for a newly created merge output section as appropriate.  Adjust code
3238         to use Output_section_lookup_maps class.
3239         (Output_section::add_relaxed_input_section): Adjst code for lookup
3240         maps code refactoring.
3241         (Output_section::add_merge_input_section): Add a new parameter
3242         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3243         class.  If adding input section to a newly created merge output
3244         section fails, remove the new merge section.
3245         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3246         Adjust code for use of the Output_section_lookup_maps class.
3247         (Output_section::find_merge_section): Ditto.
3248         (Output_section::build_lookup_maps): New method defintion.
3249         (Output_section::find_relaxed_input_section): Adjust code to use
3250         Output_section_lookup_maps class.
3251         (Output_section::get_input_sections): Export merge sections.  Adjust
3252         code to use Output_section_lookup_maps class.
3253         (Output_section:::add_script_input_section): Adjust code to use
3254         Output_section_lookup_maps class.  Update lookup maps for merge
3255         sections also.
3256         (Output_section::discard_states): Use Output_section_lookup_maps.
3257         (Output_section::restore_states): Same.
3258         * output.h (Merge_section_properties): Move class defintion out of
3259         Output_section.
3260         (Output_section_lookup_maps): New class.
3261         (Output_section::Input_section::is_merge_section): New method
3262         defintion.
3263         (Output_section::Input_section::relobj): Move defintion out of class
3264         defintion.  Declare method only.
3265         (Output_section::Input_section::shndx): Ditto.
3266         (Output_section::Input_section::output_merge_base): New method defintion.
3267         (Output_section::Input_section::u2_.pomb): New union field.
3268         (Output_section::Merge_section_by_properties_map,
3269         Output_section::Output_section_data_by_input_section_map,
3270         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3271         Remove types.
3272         (Output_section::add_merge_input_section): Add new parameter
3273         KEEPS_INPUT_SECTIONS.
3274         (Output_section::build_lookup_maps): New method declaration.
3275         (Output_section::merge_section_map_,
3276         Output_section::merge_section_by_properties_map_,
3277         Output_section::relaxed_input_section_map_,
3278         Output_section::is_relaxed_input_section_map_valid_): Remove data
3279         members.
3280         (Output_section::lookup_maps_): New data member.
3281
3282 2010-05-21  Doug Kwan  <dougkwan@google.com>
3283
3284         PR gold/11619
3285         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3286         avoid a compilation error.
3287
3288 2010-05-19  Rafael Espindola  <espindola@google.com>
3289
3290         * script-sections.cc (Output_section_definition::allocate_to_segment):
3291         Update the phdrs_list even when the output section is NULL.
3292         * testsuite/Makefile.am: Add test.
3293         * testsuite/Makefile.in: Regenerate.
3294         * testsuite/script_test_9.cc: New.
3295         * testsuite/script_test_9.sh: New.
3296         * testsuite/script_test_9.t: New.
3297
3298 2010-05-19  Doug Kwan  <dougkwan@google.com>
3299
3300         * arm.cc (Arm_input_section::original_size): New method.
3301         (Arm_input_section::do_addralign): Add a cast.
3302         (Arm_input_section::do_output_offset): Remove static cast.
3303         (Arm_input_section::original_addralign,
3304          Arm_input_section::original_size_): Change type to uint32_t.
3305         (Arm_input_section::init): Add safe casts for section alignment
3306         and size.
3307         (Arm_input_section::set_final_data_size): Do not set address and
3308         offset of stub table.
3309         (Arm_output_section::fix_exidx_coverage): Change use of of
3310         Output_section::Simple_input_section to that of
3311         Output_section::Input_section.
3312         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3313         except for the first pass.
3314         * output.cc (Output_section::get_input_sections): Change type of
3315         input_sections to std::list<Input_section>.
3316         (Output_section::add_script_input_section): Rename from
3317         Output_section::add_simple_input_section.  Change type of SIS
3318         parameter from Simple_input_section to Input_section.
3319         * output.h (Output_section::Simple_input_section): Remove class.
3320         (Output_section::Input_section): Change class visibility to public.
3321         (Output_section::Input_section::addralign): Use stored alignments
3322         for special input sections if set.
3323         (Output_section::Input_section::set_addralign): New method.
3324         (Output_section::get_input_sections): Change parameter type from
3325         list of Simple_input_section to list of Input_section.
3326         (Output_section::add_script_input_section): Rename from
3327         Output_section::add_simple_input_section. Change first parameter's
3328         type from Simple_input_section to Input_section and remove the
3329         second and third parameters.
3330         * script-sections.cc (Input_section::Input_section_list): Change
3331         type to list of Output_section::Input_section/
3332         (Input_section_info::Input_section_info): Change parameter type of
3333         INPUT_SECTION to Output_section::Input_section.
3334         (Input_section_info::input_section): Change return type.
3335         (Input_section_info::input_section_): Change type to
3336         Output_section::Input_section.
3337         (Output_section_element_input::set_section_addresses): Adjust code
3338         to use Output_section::Input_section instead of
3339         Output_section::Simple_input_section.  Adjust code for renaming
3340         of Output_section::add_simple_input_section.
3341         (Orphan_output_section::set_section_addresses): Ditto.
3342
3343 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3344
3345         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3346         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3347
3348 2010-05-18  Rafael Espindola  <espindola@google.com>
3349
3350         * options.cc (General_options::finalize): Handle -nostdlib.
3351         * options.h (nostdlib): New option.
3352         * script.cc (script_add_search_dir): Handle -nostdlib.
3353
3354 2010-05-12  Doug Kwan  <dougkwan@google.com>
3355
3356         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3357         attributes section only if there no attributes section after merging.
3358         (Target_arm::merge_object_attributes): Move value of
3359         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3360         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3361         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3362         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3363         and arm_attr_merge_7.stdout.
3364         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3365         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3366         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3367         arm_attr_merge_7b.o): New rules.
3368         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3369         arm_attr_merge_7
3370         * testsuite/Makefile.in: Regenerate.
3371         * testsuite/arm_attr_merge.sh: New file.
3372         * testsuite/arm_attr_merge_[67][ab].s: Same.
3373
3374 2010-05-05  Nick Clifton  <nickc@redhat.com>
3375
3376         * po/es.po: Updated Spanish translation.
3377
3378 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3379
3380         * Makefile.am (install-exec-local): Properly install gold as
3381         default cross linker.
3382         * Makefile.in: Regenerated.
3383
3384 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3385             Nick Clifton  <nickc@redhat.com>
3386
3387         * configure.ac (install_as_default): Define and set to false
3388         unless --enable-gold or --enable-gold=both/gold has been
3389         specified.
3390         * configure: Regenerate.
3391
3392         * Makefile.am (install-exec-local): Install the executable as
3393         'ld.gold'.  If install_as_default is true then also install it as
3394         'ld'.
3395         * Makefile.in: Regenerated.
3396
3397 2010-04-24  Ian Lance Taylor  <iant@google.com>
3398
3399         * layout.cc (Layout::layout_reloc): In relocatable link don't
3400         combine reloc sections for grouped sections.
3401
3402 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3403
3404         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3405         sections that are not ordinary to icf.
3406         * icf.cc (get_section_contents): Handle relocation pointing to section
3407         with no object or shndx information.
3408         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3409         * testsuite/Makefile.in: Regenerate.
3410         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3411         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3412
3413 2010-04-22  Ian Lance Taylor  <iant@google.com>
3414
3415         * expression.cc (Expression::Expression_eval_info): Add
3416         result_alignment_pointer field.
3417         (Expression::eval_with_dot): Add result_alignment_pointer
3418         parameter.  Change all callers.
3419         (Expression::eval_maybe_dot): Likewise.
3420         (class Binary_expression): Add alignment_pointer parameter to
3421         left_value and right_value.  Change all callers.
3422         (BINARY_EXPRESSION): Set result alignment.
3423         (class Trinary_expression): Add alignment_pointer parameter to
3424         arg2_value and arg3_value.  Change all callers.
3425         (Trinary_cond::value): Set result alignment.
3426         (Max_expression::value, Min_expression::value): Likewise.
3427         (Align_expression::value): Likewise.
3428         * script-sections.cc (class Sections_element): Add dot_alignment
3429         parameter to set_section_addresses virtual function.  Update
3430         instantiations.
3431         (class Output_section_element): Likewise.
3432         (Script_sections::create_segments): Add dot_alignment parameter.
3433         Change all callers.
3434         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3435         (Script_sections::set_phdrs_clause_addresses): Likewise.
3436         * script-sections.h: Update declarations.
3437         * script.h: Update declarations.
3438         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3439         min_p_align.
3440         * testsuite/script_test_3.t: Set large alignment.
3441         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3442         segment has expected alignment.
3443
3444 2010-04-22  Nick Clifton  <nickc@redhat.com>
3445
3446         * po/gold.pot: Updated by the Translation project.
3447         * po/vi.po: Updated Vietnamese translation.
3448
3449 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3450
3451         * testsuite/Makefile.am (check_PROGRAMS): Add
3452         icf_virtual_function_folding_test.
3453         * testsuite/Makefile.in: Regenerated.
3454
3455 2010-04-15  Andrew Haley  <aph@redhat.com>
3456
3457         * options.h (merge_exidx_entries): New option.
3458         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3459         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3460         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3461         (Target_arm::merge_exidx_entries): New function.
3462         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3463         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3464         to Arm_exidx_fixup constructor.
3465         Add new arg, merge_exidx_entries.
3466         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3467         Arm_output_section::fix_exidx_coverage.
3468
3469 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3470
3471         * icf.cc (get_section_contents): Check for preemptible functions.
3472         Ignore addend when appropriate.
3473         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3474         section folded.
3475         (add_from_relobj): Check for section folded.
3476         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3477         * symtab.h (should_add_dynsym_entry): Add new parameter.
3478         * target-reloc.h (scan_relocs): Check for section folded.
3479         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3480         Check reloc types for function pointers in shared objects.
3481         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3482         case.
3483         (icf_preemptible_functions_test): New test case.
3484         (icf_string_merge_test): New test case.
3485         * testsuite.Makefile.in: Regenerate.
3486         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3487         bar_glob.  Refactor code.
3488         * testsuite/icf_preemptible_functions_test.cc: New file.
3489         * testsuite/icf_preemptible_functions_test.sh: New file.
3490         * testsuite/icf_string_merge_test.cc: New file.
3491         * testsuite/icf_string_merge_test.sh: New file.
3492         * testsuite/icf_virtual_function_folding_test.cc: New file.
3493         * testsuite/icf_virtual_function_folding_test.sh: New file.
3494
3495 2010-04-14  Doug Kwan  <dougkwan@google.com>
3496
3497         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3498         for local symbol recounting if we remove a section due to ICF.
3499         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3500         there are no regular objects in input.
3501
3502 2010-04-13  Doug Kwan  <dougkwan@google.com>
3503
3504         * arm.cc (Arm_input_section::set_final_data_size): Compute
3505         accurate final data size instead of using current data size.
3506
3507 2010-04-09  Doug Kwan  <dougkwan@google.com>
3508
3509         * layout.cc (Layout::choose_output_section): Handle script section
3510         types.
3511         (Layout::make_output_section_for_script): Add section type parameter.
3512         Handle script section types.
3513         * layout.h (Layout::make_output_section_for_script): Add section
3514         type parameter.
3515         * output.cc (Output_section::Output_section): Initialize data member
3516         is_noload_.
3517         (Output_section::do_reset_address_and_file_offset): Do not set address
3518         to 0 if section is a NOLOAD section.
3519         * output.h (Output_section::is_noload): New method.
3520         (Output_section::set_is_noload): Ditto.
3521         (Output_section::is_noload_): New data member.
3522         * script-c.h (Script_section_type): New enum type.
3523         (struct Parser_output_section_header): Add new file section_type.
3524         * script-sections.cc (Sections_element::output_section_name): Add
3525         parameter for returning script section type.
3526         (Output_section_definition::output_section_name): Ditto.
3527         (Output_section_definition::section_type)P; New method.
3528         (Output_section_definiton::script_section_type_name): Ditto.
3529         (Output_section_definition::script_section_type_): New data member.
3530         (Output_section_definition::Output_section_definition): Initialize
3531         data member Output_section_definition::script_section_type_.
3532         (Output_section_definition::create_sections): Pass script section type
3533         to Layout::make_output_section_for_script.
3534         (Output_section_definition::output_section_name): Return script
3535         section type to caller.
3536         (Output_section_definition::set_section_address): Do not advance
3537         dot value and load address if section type is NOLOAD.  Set address
3538         of NOLOAD sections regardless of section flags.
3539         (Output_section_definition::print): Print section type if it is
3540         not SCRIPT_SECTION_TYPE_NONE.
3541         (Output_section_definition::section_type): New method.
3542         (Output_section_definition::script_section_type_name): Ditto.
3543         (Script_sections::output_section_name): Add new parameter
3544         PSECTION_TYPE for returning script section type.  Pass it to
3545         section elements.  Handle discard sections.
3546         (Sort_output_sections::operator()): Handle NOLOAD sections.
3547         * script-sections.h (Script_sections::Section_type): New enum type.
3548         (Script_sections::output_section_name): Add a new parameter for
3549         returning script section type.
3550         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
3551         INFO and NOLOAD.
3552         * yyscript.y (union): Add new field SECTION_TYPE.
3553         (COPY, DSECT, INFO, NOLOAD): New tokens.
3554         (opt_address_and_section_type): Change type to output_section_header.
3555         (section_type): New non-terminal
3556         (section_header): Handle section type.
3557         (opt_address_and_section_type): Return section type value.
3558
3559 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3560
3561         * testsuite/plugin_common_test_1.c (foo): Add prototype.
3562         * testsuite/plugin_common_test_2.c (foo): Likewise.
3563
3564 2010-04-08  Doug Kwan  <dougkwan@google.com>
3565
3566         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
3567         Output_merge_data.
3568         * output.cc (Output_section::add_merge_input_section): Simplify
3569         code and return status of Output_merge_base::add_input_section.
3570         Update merge section map only if Output_merge_base::add_input_section
3571         returns true.
3572
3573 2010-04-07  Doug Kwan  <dougkwan@google.com>
3574
3575         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
3576         if section is marked as containing instructions but has no mapping
3577         symbols.
3578         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
3579         correct section index.
3580         (Arm_relobj::find_linked_text_section): Ditto.
3581
3582 2010-04-07  Cary Coutant  <ccoutant@google.com>
3583
3584         * archive.cc (include_member): Destroy Read_symbols_data object before
3585         releasing file.
3586         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
3587         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
3588         (Read_symbols_data::~Read_symbols_data) New destructor.
3589         (Section_relocs::Section_relocs) New constructor.
3590         (Section_relocs::~Section_relocs) New destructor.
3591         (Read_relocs_data::Read_relocs_data) New constructor.
3592         (Read_relocs_data::~Read_relocs_data) New destructor.
3593         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
3594         pointers to NULL after deleting.
3595
3596 2010-04-07  Doug Kwan  <dougkwan@google.com>
3597
3598         * arm.cc: Replace "endianity" with "endianness" in comments.
3599         (Arm_exidx_cantunwind): Ditto.
3600         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
3601         (Arm_relobj::merge_flags_and_attributes): New method.
3602         (Arm_relobj::merge_flags_and_attributes_): New data member.
3603         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
3604         (Arm_relobj::scan_sections_for_stubs): Ditto.
3605         (Arm_relobj::do_read_symbols): Check to see if we really want to
3606         merge processor-specific flags and attributes.  Exit early if
3607         an object is empty except for section names and the undefined symbol.
3608         (Target_arm::do_finalize_sections): Move check for ELF format to
3609         Arm_relobj::do_read_symbols.  Merge processor specific flags and
3610         attributes from a regular object only when we have determined that
3611         it is aapropriate.  Do not create an .ARM.attributes section in
3612         output if there is no regular input object.
3613         (Target_arm::merge_processor_specific_flags): Check
3614         --warn-mismatch before printing any error.
3615         (Target_arm::merge_object_attributes): Ditto.
3616         * gold.cc (queue_middle_tasks): Handle the case in which there is
3617         no regular object in input.
3618         * options.cc (General_options::parse_EB): New method.
3619         (General_options::parse_EL): Same.
3620         (General_options::General_options): Initialize endianness_.
3621         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
3622         New options.
3623         (General_options::Endianness): New enum.
3624         (General_options::endianness): New method.
3625         (General_options::endianness_): New data member.
3626         * parameters.cc (Parameters::set_options): Check target endianness.
3627         (Parameters::set_target_once): Ditto.
3628         (Parameters::check_target_endianness): New method.
3629         (parameters_force_valid_target): If either -EL or -EB is specified,
3630         use it to define endianness of default target.
3631         * parameters.h (Parameters::check_target_endianness): New method
3632         declaration.
3633         * target.h (class Target): Change "endianity" to "endianness"
3634         in comments.
3635
3636 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3637
3638         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
3639         * configure: Regenerate.
3640         * Makefile.in: Regenerate.
3641         * testsuite/Makefile.in: Regenerate.
3642
3643 2010-04-06  Cary Coutant  <ccoutant@google.com>
3644
3645         gcc PR lto/42757
3646         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
3647         prevailing definitions of common symbols.
3648         * testsuite/plugin_test_6.sh: New test case.
3649         * testsuite/plugin_common_test_1.c: New test case.
3650         * testsuite/plugin_common_test_2.c: New test case.
3651         * testsuite/Makefile.am (plugin_test_6): New test case.
3652         * testsuite/Makefile.in: Regenerate.
3653
3654 2010-04-06  Nick Clifton  <nickc@redhat.com>
3655
3656         * po/vi.po: New Vietnamese translation.
3657
3658 2010-03-30  Doug Kwan  <dougkwan@google.com>
3659
3660         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
3661
3662 2010-03-25  Doug Kwan  <dougkwan@google.com>
3663
3664         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3665         to avoid a conversion warning on a 32-bit host.
3666
3667 2010-03-24  Ian Lance Taylor  <iant@google.com>
3668
3669         * testsuite/script_test_3.t: Add a TLS segment.
3670         * testsuite/Makefile.am (check_PROGRAMS): Add
3671         tls_phdrs_script_test.
3672         (tls_phdrs_script_test_SOURCES): Define.
3673         (tls_phdrs_script_test_DEPENDENCIES): Define.
3674         (tls_phdrs_script_test_LDFLAGS): Define.
3675         (tls_phdrs_script_test_LDADD): Define.
3676         * testsuite/Makefile.in: Rebuild.
3677
3678 2010-03-23  Cary Coutant  <ccoutant@google.com>
3679
3680         * fileread.cc (find_or_make_view): Fix comment.
3681
3682 2010-03-23  Ian Lance Taylor  <iant@google.com>
3683
3684         * script-sections.cc (class Orphan_section_placement): Define
3685         PLACE_TLS and PLACE_TLS_BSS.
3686         (Orphan_section_placement::Orphan_section_placement): Initialize
3687         new places.
3688         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3689         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3690         (tls_script_test_SOURCES): Define.
3691         (tls_script_test_DEPENDENCIES): Define.
3692         (tls_script_test_LDFLAGS): Define.
3693         (tls_script_test_LDADD): Define.
3694         * testsuite/Makefile.in: Rebuild.
3695
3696 2010-03-22  Doug Kwan  <dougkwan@google.com>
3697
3698         * arm.cc (Arm_relocate_functions::abs8,
3699         Arm_relocate_functions::abs16): Use correct check for overflow
3700         specified in the ARM ELF specs.
3701         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3702         target of a BLX instruction specially.
3703         (Reloc_stub::stub_type_for_reloc): Ditto.
3704         (Relocate::relocate): Use symbolic names instead of numeric relocation
3705         codes to report error.
3706         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3707         workaround.
3708         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3709         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3710         thumb2_blx_out_of_range.stdout
3711         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3712         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3713         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3714         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3715         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3716         thumb2_blx_in_range, thumb2_blx_in_range.o,
3717         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3718         thumb2_blx_out_of_range.o): New rules.
3719         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3720         thumb2_blx_in_range and thumb2_blx_out_of_range.
3721         * testsuite/Makefile.in: Regenerate.
3722         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3723         * testsuite/thumb_blx_in_range.s: New file.
3724         * testsuite/thumb_blx_out_of_range.s: New file.
3725
3726 2010-03-22  Rafael Espindola  <espindola@google.com>
3727
3728         * archive.cc (Should_include): Move to archive.h.
3729         (should_include_member): Make it a member of Archive.
3730         (Lib_group): New.
3731         (Add_lib_group_symbols): New.
3732         * archive.h: Include options.h.
3733         (Archive_member): Moved from Archive.
3734         (Should_include): Moved from archive.cc.
3735         (Lib_group): New.
3736         (Add_lib_group_symbols): New.
3737         * dynobj.cc (do_should_include_member): New.
3738         * dynobj.h (do_should_include_member): New.
3739         * gold.cc (queue_initial_tasks): Update call to queue.
3740         * main.cc (main): Print lib group stats.
3741         * object.cc (do_should_include_member): New.
3742         * object.h: Include archive.h.
3743         (Object::should_include_member): New.
3744         (Object::do_should_include_member): New.
3745         (Sized_relobj::do_should_include_member): New.
3746         * options.cc (General_options::parse_start_lib): New.
3747         (General_options::parse_end_lib): New.
3748         (Input_arguments::add_file): Handle lib groups.
3749         (Input_arguments::start_group): Check we are not in a lib.
3750         (Input_arguments::start_lib): New.
3751         (Input_arguments::end_lib): New.
3752         * options.h (General_options): Add start_lib and end_lib.
3753         (Input_argument::lib_): New.
3754         (Input_argument::lib): New.
3755         (Input_argument::is_lib): New.
3756         (Input_file_lib): New.
3757         (Input_arguments::in_lib_): New.
3758         (Input_arguments::in_lib): New.
3759         (Input_arguments::start_lib): New.
3760         (Input_arguments::end_lib_): New.
3761         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3762         in unused members as preempted.
3763         (Sized_pluginobj::do_should_include_member): New.
3764         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3765         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3766         return the blocker.
3767         (Read_symbols::do_whole_lib_group): New.
3768         (Read_symbols::do_lib_group): New.
3769         (Read_symbols::do_read_symbols): Handle lib groups.
3770         (Read_symbols::get_name): Handle lib groups.
3771         * readsyms.h (Read_symbols): Add an archive member pointer.
3772         (Read_symbols::do_whole_lib_group): New.
3773         (Read_symbols::do_lib_group): New.
3774         (Read_symbols::member_): New.
3775         * script.cc (read_input_script): Update call to queue_soon.
3776
3777 2010-03-19  Doug Kwan  <dougkwan@google.com>
3778
3779         * arm.cc (Stub_table::Stub_table): Initialize new data members
3780         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3781         (Stub_table::add_reloc_stub): Assign stub offset and update
3782         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3783         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3784         New data members.
3785         (Stub_table::update_data_size_and_addralign): Use
3786         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3787         instead of going over all reloc stubs.
3788         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3789         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3790         Stringpool_template::offset_ to size of Stringpool_char.
3791         (Stringpool_template::new_key_offset): Remove code to initialize
3792         Stringpool_template::offset_.
3793         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3794         Stringpool_template::offset_ to zero.
3795
3796 2010-03-15  Doug Kwan  <dougkwan@google.com>
3797
3798         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3799         offset_.
3800         (Stringpool_template::new_key_offset): New method.
3801         (Stringpool_template::add_string): Assign offsets when adding new
3802         strings.
3803         (Stringpool_template::set_string_offsets): Do not set string offsets
3804         when not optimizing.
3805         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3806         member size_.
3807         (Chunked_vector::clear): Clear size_.
3808         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3809         (Chunked_vector::size): Return size_.
3810         (Chunked_vector::push_back): Use size_ to find insert position.
3811         (Chunked_vector::size_): New data member.
3812         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3813         (Stringpool_template::new_key_offset): New method declaration.
3814         (Stringpool_template::offset_): New data member.
3815
3816 2010-03-15   Rafael Espindola  <espindola@google.com>
3817
3818         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3819         Add_symbols' constructor.
3820         * readsyms.h (Add_symbols): Remove the input_group member.
3821
3822 2010-03-10  Ian Lance Taylor  <iant@google.com>
3823
3824         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3825         target to ask whether a reference to a symbol requires a stack
3826         split.
3827         * target.h (Target::is_call_to_non_split): New function.
3828         (Target::do_is_call_to_non_split): Declare virtual function.
3829         * target.cc: Include "symtab.h".
3830         (Target::do_is_call_to_non_split): New function.
3831         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3832
3833 2010-03-10  Cary Coutant  <ccoutant@google.com>
3834
3835         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3836         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3837         (File_read::open[2]): Add whole_file_view_ to list of views.
3838         (File_read::make_view): Remove test of whole_file_view_.
3839         (File_read::find_or_make_view): Create whole_file_view_ if
3840         necessary.
3841         (File_read::clear_views): Replace bool parameter with enum;
3842         adjust all callers.  Don't delete views with permanent data;
3843         do delete cached views and views from archives if
3844         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3845         if clearing the corresponding view.
3846         * fileread.h (File_read::Clear_views_mode): New enum.
3847         (File_read::View::is_permanent_view): New method.
3848         (File_read::clear_views): Replace bool parameter
3849         with enum; adjust all callers.
3850         * options.h (General_options): Change keep_files_mapped option;
3851         add map_whole_files.
3852         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3853         releasing the file.
3854         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3855         the file.
3856
3857 2010-03-10  David S. Miller  <davem@davemloft.net>
3858
3859         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3860
3861 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3862
3863         * icf.cc (get_section_contents): Add '@' marker after processing the
3864         merge reloc.
3865
3866 2010-03-08  Doug Kwan  <dougkwan@google.com>
3867
3868         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3869         due to a conversion warning.
3870         (Arm_relobj::update_output_local_symbol_count): Check for local
3871         symbol with unset output index.
3872
3873 2010-03-05  Ian Lance Taylor  <iant@google.com>
3874
3875         * options.h (class General_options): Add --spare-dynamic-tags.
3876         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3877         --spare-dynamic-tags.
3878
3879 2010-03-05  Ian Lance Taylor  <iant@google.com>
3880
3881         * incremental.cc: Include "libiberty.h".
3882
3883 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3884
3885         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3886         function, is_info_ member.
3887         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3888         (Versions::Versions): Update caller.
3889         (Versions::define_base_version): Likewise.
3890         (Versions::add_def): Likewise.
3891
3892 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3893
3894         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3895         (Scan::possible_function_pointer_reloc): New function.
3896         (Scan::local_reloc_may_be_function_pointer): Change to call
3897         possible_function_pointer_reloc.
3898         (Scan::global_reloc_may_be_function_pointer): Ditto.
3899         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3900         relocations in ".data.rel.ro._ZTV" section.
3901         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3902         * testsuite/icf_safe_so_test.cc: Ditto.
3903         * testsuite/icf_safe_test.cc: Ditto.
3904         * testsuite/icf_safe_test.sh: Ditto.
3905
3906 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3907             Ian Lance Taylor  <iant@google.com>
3908
3909         * target-reloc.h (relocate_section): Check the symbol table index
3910         for -1U before setting the local symbol index.
3911         (scan_relocatable_relocs): If copying the relocation, record that
3912         the local symbol is required.
3913         * object.h (Symbol_value::is_output_symtab_index_set): New
3914         function.
3915         (Symbol_value::may_be_discarded_from_output_symtab): New
3916         function.
3917         (Symbol_value::has_output_symtab_entry): New function.
3918         (Symbol_value::needs_output_symtab_entry): Remove.
3919         (Symbol_value::output_symtab_index): Make sure the symbol index is
3920         set.
3921         (Symbol_value::set_output_symtab_index): Make sure the symbol
3922         index is not set.  Make sure the new index is valid.
3923         (Symbol_value::set_must_have_output_symtab_entry): New function.
3924         (Symbol_value::has_output_dynsym_entry): New function.
3925         (Symbol_value::set_output_dynsym_index): Make sure the new index
3926         is valid.
3927         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3928         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3929         local symbol if permitted.
3930         (Sized_relobj::do_finalize_local_symbols): Call
3931         is_output_symtab_index_set rather than needs_output_symtab_entry.
3932         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3933         rather than needs_output_symtab_entry.  Call
3934         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3935         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3936         is_output_symtab_index_set rather than needs_output_symtab_entry.
3937         * testsuite/discard_locals_relocatable_test.c: New file.
3938         * testsuite/discard_locals_test.sh: Test -r.
3939         * testsuite/Makefile.am (check_DATA): Add
3940         discard_locals_relocatable_test1.syms,
3941         discard_local_relocatable_test2.syms.
3942         (MOSTLYCLEANFILES): Likewise.  Also add
3943         discard_locals_relocatable_test1.lout and
3944         discard_locals_relocatable_test2.out.
3945         (discard_locals_relocatable_test1.syms): New target.
3946         (discard_locals_relocatable_test.o): New target.
3947         (discard_locals_relocatable_test1.out): New target.
3948         (discard_locals_relocatable_test2.syms): New target.
3949         (discard_locals_relocatable_test2.out): New target.
3950         (various): Add missing ../ld-new dependencies.
3951         * testsuite/Makefile.in: Rebuild.
3952
3953 2010-03-03  Nick Clifton  <nickc@redhat.com>
3954
3955         * po/fi.po: New Finnish translation.
3956
3957 2010-03-01  Doug Kwan  <dougkwan@google.com>
3958
3959         * layout.cc (Layout::Layout): Force section types of .init_array*,
3960         .preinit_array* and .fini_array* sections.
3961         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3962         Fix check of return value of std::string::find.().
3963         (Output_section::Input_section_sort_compare::operator()): Remove
3964         comment about .init_array.
3965         (Output_section::Input_section_sort_init_fini_compare::operator()):
3966         New method.
3967         (Output_section::sort_attached_input_sections): Handle .init_array
3968         and .fini_array specially.
3969         * output.h (Output_section::Inut_section_sort_compare): Update
3970         comment.
3971         (Output_section::Input_section_sort_init_fini_compare): New struct.
3972
3973 2010-02-26  Doug Kwan  <dougkwan@google.com>
3974
3975         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
3976         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
3977         * testsuite/debug_msg.sh: Avoid matching source line number for
3978         use of global variable undef_int.
3979
3980 2010-02-26  Doug Kwan  <dougkwan@google.com>
3981
3982         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
3983         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
3984         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
3985         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
3986         * options.cc (General_options::General_options): Initialize member
3987         fix_v4bx_.
3988         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
3989         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
3990         and rm_no_fix_v4bx.stdout
3991         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
3992         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
3993         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
3994         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
3995         and arm_no_fix_v4bx.
3996         * Makefile.in: Regenerate.
3997         * testsuite/arm_fix_v4bx.s: New file.
3998         * testsuite/arm_fix_v4bx.sh: Ditto.
3999
4000 2010-02-24  Doug Kwan  <dougkwan@google.com>
4001
4002         * arm.cc (Target_arm::got_section): Make the .got section the first
4003         non RELRO section in the data segment.
4004         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4005         suffixes of section names.
4006
4007 2010-02-24  Doug Kwan  <dougkwan@google.com>
4008
4009         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4010         flags and attributes merging if an input file is a binary file.
4011         * fileread.cc (Input_file::open): Record format of original file.
4012         * fileread.h (Input_file::Format): New enum type.
4013         (Input_file::Input_file): Initialize data member format_.
4014         (Input_file::format): New method definition.
4015         (Input_file::format_):: New data member.
4016
4017 2010-02-24  Doug Kwan  <dougkwan@google.com>
4018
4019         * arm.cc (Arm_output_data_got): New class.
4020         (ARM_TCB_SIZE): New constant
4021         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4022         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4023         If user uses a script with a SECTIONS clause, issue only a warning
4024         for a misplaced EXIDX input section.  Otherwise, issue an error.
4025         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4026         garbage collection.
4027         (Target_arm::got_mode_index_entry): Handle static linking.
4028         (Target_arm::Scan::local): Ditto.
4029         (Target_arm::Scan::global): Ditto.
4030         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4031         all incorrectly implemented relocations.
4032         (Target_arm::fix_exidx_coverage): Pass layout to
4033         Arm_output_section::fix_exidx_coverage.
4034         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4035         from ".ARM.exidx." and ".ARM.extab.".
4036
4037 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4038
4039         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4040         section if it does not already exist.
4041         * attributes.cc (Attributes_section_data::Attributes_section_data):
4042         Don't crash if size is zero.
4043
4044 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4045             Ian Lance Taylor  <iant@google.com>
4046
4047         * gold.cc (queue_middle_tasks): If no input files were opened,
4048         exit.
4049         * workqueue.h (Task_function::Task_function): Assert that there is
4050         a blocker.
4051
4052 2010-02-22  Doug Kwan  <dougkwan@google.com>
4053
4054         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4055         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4056         types to avoid warnings due to different uint64_t implementations
4057         on different hosts.
4058
4059 2010-02-21  Doug Kwan  <dougkwan@google.com>
4060
4061         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4062         handling of the maximum backward branch offset.
4063         (Arm_relocate_functions::thumb_branch_common): Ditto.
4064         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4065         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4066         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4067         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4068         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4069         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4070         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4071         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4072         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4073         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4074         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4075         thumb2_bl_out_of_range.o): New rules.
4076         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4077         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4078         thumb2_bl_out_of_range
4079         * testsuite/Makefile.in: Regenerate.
4080         * testsuite/arm_bl_in_range.s: New file.
4081         * testsuite/arm_bl_out_of_range.s: Ditto.
4082         * testsuite/arm_branch_in_range.sh: Ditto.
4083         * testsuite/arm_branch_range.t: Ditto.
4084         * testsuite/thumb2_branch_range.t: Ditto.
4085         * testsuite/thumb_bl_in_range.s: Ditto.
4086         * testsuite/thumb_bl_out_of_range.s: Ditto.
4087         * testsuite/thumb_branch_range.t: Ditto.
4088
4089 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4090
4091         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4092         Add reloc offset information.
4093         * icf.cc (get_section_contents): Change iterators to point to the new
4094         vectors. Add reloc offset information to the contents.
4095         * icf.h (Icf::Sections_reachable_info): New typedef.
4096         (Icf::Sections_reachable_list): New typedef.
4097         (Icf::Offset_info): New typedef.
4098         (Icf::Reloc_info): New struct typedef.
4099         (Icf::Reloc_info_list): New typedef.
4100         (Icf::symbol_reloc_list): Delete method.
4101         (Icf::addend_reloc_list): Delete method.
4102         (Icf::section_reloc_list): Delete method.
4103         (Icf::reloc_info_list): New method.
4104         (Icf::reloc_info_list_): New member.
4105
4106 2010-02-19  Doug Kwan  <dougkwan@google.com>
4107
4108         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4109         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4110         * arm.cc (Arm_relocation_functions): New forward declaration.
4111         (Target_arm::Target_arm): Initialize new data members
4112         got_mod_index_offset_ and tls_base_symbol_defined_.
4113         (Target_arm::Relocate::relocate_tls): New method.
4114         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4115          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4116         New methods.
4117         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4118         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4119         (Target_arm::got_mod_index_offset_,
4120         Target_arm::tls_base_symbol_defined_): New data members.
4121         (Target_arm::Scan::local, Target::Scan::global,
4122         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4123         relocations.
4124
4125 2010-02-18  Doug Kwan  <dougkwan@google.com>
4126
4127         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4128         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4129         text section as a parameter becuase some broken tools may not set
4130         the link in section header.
4131         (Target_arm::has_got_section): New method.
4132         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4133         without any mapping symbol as data only.  Remove warning.
4134         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4135         link in its section header, try to discover the link by inspecting the
4136         REL31 relocation at the beginning of the section.
4137         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4138         in error message.
4139         (Target_arm::Scan::global): Treat any reference to the symbol
4140         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4141
4142 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4143
4144         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4145         (Scan::global_reloc_may_be_function_pointer): New function.
4146         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4147         (Scan::global_reloc_may_be_function_pointer): New function.
4148         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4149         (Scan::global_reloc_may_be_function_pointer): New function.
4150         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4151         (Scan::global_reloc_may_be_function_pointer): New function.
4152         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4153         (Scan::global_reloc_may_be_function_pointer): New function.
4154         (Scan::possible_function_pointer_reloc): New function.
4155         (Target_x86_64::can_check_for_function_pointers): New function.
4156         * gc.h (gc_process_relocs): Scan relocation types to determine if
4157         function pointers were taken for targets that support it.
4158         * icf.cc (Icf::find_identical_sections): Include functions for
4159         folding in safe ICF whose pointer is not taken.
4160         * icf.h (Secn_fptr_taken_set): New typedef.
4161         (fptr_section_id_): New member.
4162         (section_has_function_pointers): New function.
4163         (set_section_has_function_pointers): New function.
4164         (check_section_for_function_pointers): New function.
4165         * options.h: Fix comment for safe ICF option.
4166         * target.h (can_check_for_function_pointers): New function.
4167         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4168         Modify icf_safe_test for X86-64.
4169         * testsuite/Makefile.in: Regenerate.
4170         * testsuite/icf_safe_so_test.cc: New file.
4171         * testsuite/icf_safe_so_test.sh: New file.
4172         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4173         (main): Change to take pointer to function kept_func_3.
4174         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4175         folding is done correctly for X86-64.
4176
4177 2010-02-12  David S. Miller  <davem@davemloft.net>
4178
4179         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4180         is_symbolless parameter.
4181         (Output_reloc<SHT_REL>::is_symbolless): New.
4182         (Output_reloc<SHT_REL>::is_symbolless_): New.
4183         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4184         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4185         (Output_reloc<SHT_RELA>::is_symbolless): New.
4186         (Output_data_reloc::add_global): Handle is_symbolless.
4187         (Output_data_reloc::add_global_relative): Likewise.
4188         (Output_data_reloc::add_local): Likewise.
4189         (Output_data_reloc::add_local_relative): Likewise.
4190         (Output_data_reloc::add_symbolless_global_addend): New.
4191         (Output_data_reloc::add_symbolless_local_addend): New.
4192         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4193         is_symbolless.
4194         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4195         instead of ->is_relative_
4196         (Output_reloc::write): Likewise.
4197         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4198         (Output_reloc::write_rel): Simplify.
4199
4200         * sparc.cc (Target_sparc::Scan::local): Use
4201         ->add_symbolless_local_addend as needed.
4202         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4203         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4204         based upon relocation offset.
4205
4206 2010-02-11  Doug Kwan  <dougkwan@google.com>
4207
4208         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4209         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4210         beginning of function.
4211         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4212         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4213         parameter is_32bit in calls to should_apply_static_reloc.
4214         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4215         (check_DATA): Add arm_abs_global.stdout.
4216         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4217         arm_abs_global.stdout): New rules.
4218         (MOSTLLYCLEANFILES): Add arm_abs_global
4219         * Makefile.in: Regenerate.
4220         * testsuite/arm_abs_global.s: New file.
4221         * testsuite/arm_abs_global.sh: Ditto.
4222         * testsuite/arm_abs_lib.s: Ditto.
4223
4224 2010-02-11  Ian Lance Taylor  <iant@google.com>
4225
4226         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4227         Read_relocs task.
4228         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4229         Allocate_commons_task first.
4230         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4231         task, rather than symtab_lock_.
4232         (Gc_process_relocs::~Gc_process_relocs): New function.
4233         (Gc_process_relocs::is_runnable): Check this_blocker_.
4234         (Gc_process_relocs::locks): Use next_blocker_ rather than
4235         blocker_.
4236         (Scan_relocs::~Scan_relocs): New function.
4237         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4238         symtab_lock_.
4239         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4240         next_blocker_.
4241         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4242         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4243         constructor accordingly.
4244         (class Gc_process_relocs): Likewise.
4245         (class Scan_relocs): Likewise.
4246         * common.h (class Allocate_commons_task): Remove symtab_lock_
4247         field, and corresponding constructor parameter.
4248         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4249         symtab_lock_.
4250         (Allocate_commons_task::locks): Likewise.
4251
4252 2010-02-11  Ian Lance Taylor  <iant@google.com>
4253
4254         * gold-threads.h (class Once): Define.
4255         (class Initialize_lock): Rewrite as child of Once.
4256         * gold-threads.cc (class Once_initialize): Define.
4257         (once_pointer_control): New static variable.
4258         (once_pointer, once_arg): New static variables.
4259         (c_run_once): New static function.
4260         (Once::Once, Once::run_once, Once::internal_run): New functions.
4261         (class Initialize_lock_once): Remove.
4262         (initialize_lock_control): Remove.
4263         (initialize_lock_pointer): Remove.
4264         (initialize_lock_once): Remove.
4265         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4266         (Initialize_lock::initialize): Rewrite.
4267         (Initialize_lock::do_run_once): New function.
4268         * archive.cc (Archive::interpret_header): Only clear name if it is
4269         not already empty.
4270         * fileread.cc: Include "gold-threads.h"
4271         (file_counts_lock): New static variable.
4272         (file_counts_initialize_lock): Likewise.
4273         (File_read::release): Only increment counts when using --stats.
4274         Use a lock around the increment.
4275         * parameters.cc (class Set_parameters_target_once): Define.
4276         (set_parameters_target_once): New static variable.
4277         (Parameters::Parameters): Move here from parameters.h.
4278         (Parameters::set_target): Rewrite.
4279         (Parameters::set_target_once): New function.
4280         (Parameters::clear_target): Move here and rewrite.
4281         * parameters.h (class Parameters): Update declarations.  Add
4282         set_parameters_target_once_ field.
4283         (Parameters::Parameters): Move to parameters.cc.
4284         (Parameters::clear_target): Likewise.
4285         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4286         task.
4287         (Start_group::~Start_group): New function.
4288         (Start_group::is_runnable): New function.
4289         (Start_group::locks, Start_group::run): New functions.
4290         (Finish_group::run): Change saw_undefined to size_t.
4291         * readsyms.h (class Start_group): Define.
4292         (class Finish_group): Change saw_undefined_ field to size_t.
4293         (Finish_group::Finish_group): Remove saw_undefined and
4294         this_blocker parameters.  Change all callers.
4295         (Finish_group::set_saw_undefined): New function.
4296         (Finish_group::set_blocker): New function.
4297         * symtab.h (class Symbol_table): Change saw_undefined to return
4298         size_t.  Change saw_undefined_ field to size_t.
4299         * target-select.cc (Set_target_once::do_run_once): New function.
4300         (Target_selector::Target_selector): Initialize set_target_once_
4301         field.  Don't initialize lock_ and initialize_lock_ fields.
4302         (Target_selector::instantiate_target): Rewrite.
4303         (Target_selector::set_target): New function.
4304         * target-select.h (class Set_target_once): Define.
4305         (class Target_selector): Update declarations.  Make
4306         Set_target_once a friend.  Remove lock_ and initialize_lock_
4307         fields.  Add set_target_once_ field.
4308
4309 2010-02-10  Ian Lance Taylor  <iant@google.com>
4310
4311         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4312         queueing any tasks.
4313         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4314         (queue_middle_tasks): Add all blockers before queueing any tasks.
4315         (queue_final_tasks): Likewise.
4316         * token.h (Task_token::add_blockers): New function.
4317         * object.h (Input_objects::number_of_relobjs): New function.
4318
4319 2010-02-10  Ian Lance Taylor  <iant@google.com>
4320
4321         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4322         shared, not if not position independent.
4323         * x86_64.cc (Relocate::relocate_tls): Likewise.
4324         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4325         (tls_pie_pic_test): New target.
4326         * testsuite/Makefile.in: Rebuild.
4327
4328         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4329         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4330         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4331         * testsuite/Makefile.in: Rebuild.
4332
4333 2010-02-09  David S. Miller  <davem@davemloft.net>
4334
4335         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4336         R_SPARC_RELATIVE using ->add_local_relative().
4337         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4338
4339         * output.h (Output_data_dynamic::add_section_size): New method
4340         that takes two Output_data objects.
4341         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4342         entry param.  Handle it in initializers.
4343         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4344         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4345         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4346         arg.
4347         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4348         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4349         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4350         for dynrel_includes_plt.
4351         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4352         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4353         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4354         before .rela.plt
4355         (Target_sparc::do_finalize_sections): Update to pass true for
4356         dynrel_includes_plt.
4357         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4358         output before .rela.plt
4359         (Target_powerpc::do_finalize_sections): Update to pass true for
4360         dynrel_includes_plt when 32-bit.
4361
4362 2010-02-08  Doug Kwan  <dougkwan@google.com>
4363
4364         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4365         method.
4366         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4367         Arm_relobj::scan_section_for_cortex_a8_stubs,
4368         Arm_relobj::do_relocation_section): Instead of calling
4369         Output_section::output_address, use faster
4370         Arm_relobj::simple_input_section_output_address.
4371
4372 2010-02-08  David S. Miller  <davem@davemloft.net>
4373
4374         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4375         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4376         relocation helper function.
4377
4378         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4379         just like R_SPARC_GOT{10,13,22}.
4380         (Target_sparc::Scan::local): Likewise.
4381         (Target_sparc::Relocate:relocate): Likewise.
4382
4383 2010-02-06  Ian Lance Taylor  <iant@google.com>
4384
4385         * configure.ac: Rewrite targetobjs duplicate removal code to use
4386         only shell constructs.
4387         * configure: Rebuild.
4388
4389 2010-02-05  Doug Kwan  <dougkwan@google.com>
4390
4391         PR 11247
4392         * arm.cc (Arm_relobj::section_is_scannable): New method.
4393         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4394         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4395
4396 2010-02-04  Doug Kwan  <dougkwan@google.com>
4397
4398         PR 11247
4399         * arm-reloc-property.cc (cstdio): Include.
4400         * configure.ac (targetobjs): Remove duplicates.
4401         * configure: Regenerate.
4402         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4403         big and little endian version for a given address size.
4404
4405 2010-02-03  Doug Kwan  <dougkwan@google.com>
4406
4407         * arm-reloc-property.cc
4408         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4409         definition.
4410         * arm-reloc-property.h
4411         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4412         New method definition.
4413         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4414         declaration.
4415         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4416         overflow to N.
4417         (GOT_PREL): Change implemented to Y.
4418         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4419         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4420         (Arm_relocate_functions::movw_abs_nc): Remove method.
4421         (Arm_relocate_functions::movt_abs): Ditto.
4422         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4423         (Arm_relocate_functions::thm_movt_abs): Ditto.
4424         (Arm_relocate_functions::movw_rel_nc): Ditto.
4425         (Arm_relocate_functions::movw_rel): Ditto.
4426         (Arm_relocate_functions::movt_rel): Ditto.
4427         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4428         (Arm_relocate_functions:thm_movw_rel): Ditto.
4429         (Arm_relocate_functions:thm_movt_rel): Ditto.
4430         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4431         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4432         New method definitions.
4433         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4434         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4435         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4436         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4437         (Target_arm::Relocate::relocate): Check for non-static or
4438         unimplemented relocation code and exit early.  Change calls to
4439         Target_arm::reloc_uses_thumb_bit and
4440         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4441         instead.  Refactor code to handle similar relocations to increase
4442         code sharing.  Remove check for unsupported relocation code in switch
4443         statement.
4444         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4445         relocation property table to find out size.  Change error message to
4446         print out the name of a relocation code instead of the numeric value.
4447         (Target_arm::scan_reloc_for_stub): Use relocation property table
4448         instead of calling Target_arm::reloc_uses_thumb_bit().
4449
4450 2010-02-02  Doug Kwan  <dougkwan@google.com>
4451
4452         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4453         types of relaxed input section.
4454
4455 2010-02-02  Doug Kwan  <dougkwan@google.com>
4456
4457         * Makefile.am (HFILES): Add arm-reloc-property.h.
4458         (DEFFILES): New.
4459         (TARGETSOURCES): Add arm-reloc-property.cc
4460         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4461         (libgold_a_SOURCES): $(DEFFILES)
4462         * Makefile.in: Regenerate.
4463         * arm-reloc-property.cc: New file.
4464         * arm-reloc-property.h: New file.
4465         * arm-reloc.def: New file.
4466         * arm.cc: Update comments.
4467         (arm-reloc-property.h): New included header.
4468         (arm_reloc_property_table): New global variable.
4469         (Target_arm::do_select_as_default_target): New method definition.
4470         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4471         arm-reloc-property to targ_extra_obj.
4472         * parameters.cc (set_parameters_target): Call
4473         Target::select_as_default_target().
4474         * target.h (Target::select_as_default_target): New method definition.
4475         (Target::do_select_as_default_target): Same.
4476
4477 2010-02-01  Doug Kwan  <dougkwan@google.com>
4478
4479         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4480         first_output_text_section_.
4481         (Arm_exidx_fixup::first_output_text_section): New method definition.
4482         (Arm_exidx_fixup::first_output_text_section_): New data member.
4483         (Arm_exidx_fixup::process_exidx_section): Record the first text
4484         output section seen.
4485         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4486         and entsize in output section header.
4487
4488 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4489
4490         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4491         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4492         (Arm_relocate_functions::thm_alu11): New Method.
4493         (Arm_relocate_functions::thm_pc8): New Method.
4494         (Arm_relocate_functions::thm_pc12): New Method.
4495         (Target_arm::Scan::local): Handle the relocations.
4496         (Target_arm::Scan::global): Likewise.
4497         (Target_arm::Relocate::relocate): Likewise.
4498         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4499
4500 2010-01-29  Doug Kwan  <dougkwan@google.com>
4501
4502         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4503         of relocation types as ld.
4504
4505 2010-01-29  Doug Kwan  <dougkwan@google.com>
4506
4507         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
4508         to public.
4509         (Arm_relocate_functions::thumb_branch_common): Ditto.
4510         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
4511         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
4512         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
4513         Arm_relocate_functions::jump24): Remove.
4514         (Target_arm::Relocate::relocate): Adjust code to call
4515         Arm_relocation_functions::arm_branch_common and
4516         Arm_relocation_functions::thumb_branch_common instead of their removed
4517         wrappers.  Merge switch-cases together to reduce source code size.
4518
4519 2010-01-29  Doug Kwan  <dougkwan@google.com>
4520
4521         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
4522         output_local_symbol_count_needs_update_.
4523         (Arm_relobj::output_local_symbol_count_needs_update,
4524          Arm_relobj::set_output_local_symbol_count_needs_update,
4525          Arm_relobj::update_output_local_symbol_count): New methods.
4526         (Arm_relobj::output_local_symbol_count_needs_update_): New data
4527         member.
4528         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
4529         of pointed function as in a R_ARM_PREL31 relocation.
4530         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
4531         for output local symbol count updating.
4532         (Target_arm::do_relax): Update output local symbol counts in objects
4533         if necessary.
4534         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
4535
4536 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4537
4538         * arm.cc: Added support for the ARM relocations:
4539         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
4540         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
4541         (Arm_relocate_functions::movw_rel_nc): Renamed (was
4542         movw_prel_nc).
4543         (Arm_relocate_functions::movw_rel): New method.
4544         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
4545         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
4546         thm_movw_prel_nc).
4547         (Arm_relocate_functions::thm_movw_rel): New method.
4548         (Arm_relocate_functions::thm_movt_rel): Renamed (was
4549         thm_movt_prel).
4550         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
4551         relocations.
4552         (Target_arm::Scan::global): Likewise.
4553         (Target_arm::Relocate::relocate): Likewise.
4554         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4555         Likewise.
4556
4557 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4558
4559         * arm.cc: Added support for ARM group relocations.
4560         (Target_arm::reloc_needs_sym_origin): New method.
4561         (Arm_relocate_functions::calc_grp_kn): New method.
4562         (Arm_relocate_functions::calc_grp_residual): New method.
4563         (Arm_relocate_functions::calc_grp_gn): New method.
4564         (Arm_relocate_functions::arm_grp_alu): New Method.
4565         (Arm_relocate_functions::arm_grp_ldr): New Method.
4566         (Arm_relocate_functions::arm_grp_ldrs): New Method.
4567         (Arm_relocate_functions::arm_grp_ldc): New Method.
4568         (Target_arm::Scan::local): Handle the ARM group relocations.
4569         (Target_arm::Scan::global): Likewise.
4570         (Target_arm::Relocate::relocate): Likewise.
4571         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4572         Likewise.
4573
4574 2010-01-26  Doug Kwan  <dougkwan@google.com>
4575
4576         * arm.cc (set): Include.
4577         (class Arm_exidx_fixup): Change type of last_input_section_ to const
4578         pointer type.
4579         (Arm_output_section::Text_section_list): New type.
4580         (Arm_output_section::append_text_sections_to_list): New method.
4581         (Arm_output_section::fix_exidx_coverage): Ditto.
4582         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
4583         (Arm_relobj::convert_input_section_to_relaxed_section): Use
4584         Relobj::set_section_offset() instead of
4585         Sized_relobj::invalidate_section_offset().
4586         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
4587         parameter for section headers. Ignore relocation sections for
4588         unallocated sections and EXIDX sections.
4589         (Target_arm::fix_exidx_coverage): New method.
4590         (Target_arm::output_section_address_less_than): New type.
4591         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
4592         linked text section instead of the EXIDX section.
4593         (Arm_output_section::create_stub_group): Add an assertion to check
4594         that this is not an EXIDX output section.
4595         (Arm_output_section::append_text_sections_to_list): New method.
4596         (Arm_output_section::fix_exidx_coverage): Ditto.
4597         (Arm_relobj::scan_sections_for_stubs): Adjust call to
4598         Arm_relobj::section_needs_reloc_stub_scanning.
4599         (Target_arm::do_relax): Fix EXIDX output section coverage in the
4600         first pass.
4601         (Target_arm::fix_exidx_coverage): New method.
4602         * object.h (Relobj::set_output_section): New method.
4603         (Sized_relobj::invalidate_section_offset): Remove method.
4604         (Sized_relobj::do_invalidate_section_offset): Remove method.
4605         (Sized_relobj::do_set_section_offset): Handle offset value -1.
4606
4607 2010-01-25  Doug Kwan  <dougkwan@google.com>
4608
4609         * arm.cc (Arm_exidx_merged_section::do_output_offset):
4610         Fix warning due to signed and unsigned comparison on a 32-bit host.
4611
4612 2010-01-22  Doug Kwan  <dougkwan@google.com>
4613
4614         * arm.cc (Target_arm::do_relax): Record an output section for section
4615         offset adjustment it contains any stub table that has changed.
4616         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
4617         offsets in an output section if necessary.
4618         * output.cc (Output_section::Output_section): Initialize
4619         section_offsets_need_adjustments_.
4620         (Output_section::add_input_section_for_script): Renamed to
4621         Output_section::add_simple_input_section.
4622         (Output_section::save_states): Add a comment.
4623         (Output_section::discard_states): New method defintion.
4624         (Output_section::adjust_section_offsets): Same.
4625         * output.h (Output_section::add_input_section_for_script): Renamed to
4626         Output_section::add_simple_input_section.
4627         (Output_section::discard_states): New method declaration.
4628         (Output_section::adjust_section_offsets): Same.
4629         (Output_section::section_offsets_need_adjustment,
4630         Output_section::set_section_offsets_need_adjustment): New method
4631         definitions.
4632         (Output_section::section_offsets_need_adjustment_): New data member.
4633         * script-sections.cc
4634         (Output_section_element_input::set_section_address): Adjust code for
4635         renaming of Output_section::add_input_section_for_script.
4636         (Orphan_output_section::set_section_address): Same.
4637
4638 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4639
4640         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
4641         Fix_v4bx enum values .
4642         * gold/options.h (General_options): New option definitions.
4643         (General_options::fix_v4bx): New method.
4644         (General_options::Fix_v4bx): New enum.
4645         * gold/options.cc (General_options::parse_fix_v4bx): New method.
4646         (General_options::parse_fix_v4bx_interworking): New method.
4647
4648 2010-01-22  Doug Kwan  <dougkwan@google.com>
4649
4650         * arm.cc (Arm_exidx_fixup): New class.
4651
4652 2010-01-21  Doug Kwan  <dougkwan@google.com>
4653
4654         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
4655         classes.
4656         (Arm_exidx_section_offset_map): New type.
4657
4658 2010-01-21  Doug Kwan  <dougkwan@google.com>
4659
4660         * arm.cc (Arm_exidx_input_section): New class.
4661         (Arm_relobj::exidx_input_section_by_link,
4662         Arm_relobj::exidx_input_section_by_shndx,
4663         Arm_relobj::make_exidx_input_section): New methods.
4664         (read_arm_attributes_section): Remove.
4665         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4666         information about them.
4667         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4668         to here.
4669
4670 2010-01-20  Doug Kwan  <dougkwan@google.com>
4671
4672         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4673         Input_section_specifier to Section_id.
4674         (Target_arm::new_arm_input_section: Adjust code for change of key
4675         type.
4676         (Target_arm::find_arm_input_section): Ditto.
4677         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4678         (Section_id): Remove.
4679         (Garbage_collection::Section_id_hash): Remove.
4680         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4681         (Section_id): Remove.
4682         (Icf::Section_id_hash): Remove.
4683         * object.h (Section_id, Const_section_id, Section_id_hash,
4684         Const_section_id_hash): New type definitions.
4685         * output.cc (Output_section::add_relaxed_input_section): Change to
4686         use Const_section_id instead of Input_section_specifier as key type.
4687         (Output_section::add_merge_input_section): Ditto.
4688         (Output_section::build_relaxation_map): Change to use Section_id
4689         instead of Input_section_specifier as key type.
4690         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4691         Ditto.
4692         (Output_section::convert_input_sections_to_relaxed_sections): Change
4693         to use Const_section_id instead of Input_section_specifier as key type.
4694         (Output_section::find_merge_section): Ditto.
4695         (Output_section::find_relaxed_input_section): Ditto.
4696         * output.h (Input_section_specifier): Remove class.
4697         (Output_section::Output_section_data_by_input_section_map): Change
4698         key type to Const_section_id.
4699         (Output_section::Output_relaxed_input_section_by_input_section_map):
4700         Ditto.
4701         (Output_section::Relaxation_map): Change key type to Section_id.
4702
4703 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4704
4705         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4706         (class Arm_v4bx_stub): New class.
4707         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4708         (Stub_factory::make_arm_v4bx_stub): New method.
4709         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4710         (Stub_table::empty): Handle v4bx stubs.
4711         (Stub_table::add_arm_v4bx_stub): New method.
4712         (Stub_table::find_arm_v4bx_stub): New method.
4713         (Arm_relocate_functions::v4bx): New method.
4714         (Target_arm::fix_v4bx): New method.
4715         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4716         (Stub_table::relocate_stubs): Likewise.
4717         (Stub_table::do_write): Likewise.
4718         (Stub_table::update_data_size_and_addralign): Likewise.
4719         (Stub_table::finalize_stubs):  Likewise.
4720         (Target_arm::Scan::local): Likewise.
4721         (Target_arm::Scan::global): Likewise.
4722         (Target_arm::do_finalize_sections): Likewise.
4723         (Target_arm::Relocate::relocate): Likewise.
4724         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4725         Likewise.
4726         (Target_arm::scan_reloc_for_stub): Likewise.
4727         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4728
4729 2010-01-19  Ian Lance Taylor  <iant@google.com>
4730
4731         * output.cc (Output_section_headers::do_sized_write): Write large
4732         segment count to sh_info field.
4733         (Output_file_header::do_sized_write): For large segment count,
4734         write PN_XNUM to e_phnum field.
4735
4736 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4737
4738         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4739         (Arm_relocate_functions::thm_jump8): New function.
4740         (Arm_relocate_functions::thm_jump11): New function.
4741         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4742         R_ARM_THM_JUMP11.
4743         (Target_arm::Scan::global): Likewise.
4744         (Target_arm::Relocate::relocate): Likewise.
4745         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4746         Likewise.
4747
4748 2010-01-14  Doug Kwan  <dougkwan@google.com>
4749
4750         * arm.cc (map, utility): Include headers.
4751         (Target_arm::apply_cortex_a8_workaround): New method.
4752         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4753         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4754         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4755         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4756         the --[no-]fix-cortex-a8 command line options.
4757         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4758         (Target_arm::relocate_stub): Use addend in instruction template.
4759         * options.h (DEFINE_bool): Set the user-set flag.
4760         (General_options): Add --[no-]-fix-cortex options.
4761         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4762         : Update fast look-up map after conversion.
4763
4764 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4765
4766         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4767         in the first pass of do_layout.
4768
4769 2010-01-13  Doug Kwan  <dougkwan@google.com>
4770
4771         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4772         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4773         apparent compiler problem of not folding static constant integral
4774         data members of elfcpp::Elf_sizes<32>.
4775
4776 2010-01-13  Doug Kwan  <dougkwan@google.com>
4777
4778         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4779         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4780         Arm_relobj::scan_section_for_cortex_a8_erratum,
4781         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4782         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4783         sections to scan for relocation stubs into a new method
4784         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4785         relocation and Cortex-A8 stub scanning.
4786         (Target_arm::do_relax): Force stubs to be after stubbed sections
4787         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4788         the beginning of a new relaxation pass.  Update a comment.
4789         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4790
4791 2010-01-12  Ian Lance Taylor  <iant@google.com>
4792
4793         * target-reloc.h (visibility_error): New inline function.
4794         (relocate_section): Call visibility_error.
4795         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4796         (MOSTLYCLEANFILES): Likewise.
4797         (protected_4_pic.o, protected_3.err): New targets.
4798         * testsuite/protected_4.cc: New file.
4799
4800 2010-01-12  Doug Kwan  <dougkwan@google.com>
4801
4802         * arm.cc (Cortex_a8_reloc): New class.
4803         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4804         and cortex_a8_relocs_info_.
4805         (Target_arm::fix_cortex_a8): New method definition.
4806         (Target_arm::Cortex_a8_relocs_info): New type.
4807         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4808         New data member declarations.
4809         (Target_arm::scan_reloc_for_stub): Record information about
4810         relocations for THUMB branches that might be exempted from the
4811         Cortex-A8 workaround.
4812         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4813         at the beginning of a relaxation pass.
4814
4815 2010-01-12  Doug Kwan  <dougkwan@google.com>
4816
4817         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4818         (Arm_relobj::Mapping_symbol_position,
4819          Arm_reloj::Mapping_symbol_position_less,
4820          Arm_relobj::Mapping_symbols_info): New types.
4821         (Target_arm::is_mapping_symbol_name): New method definition.
4822         (Arm_relobj::do_count_local_symbols): Save information about mapping
4823         symbols.
4824
4825 2010-01-11  Doug Kwan  <dougkwan@google.com>
4826
4827         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4828         Arm_relocate_functions::thumb32_branch_upper,
4829         Arm_relocate_functions::thumb32_branch_lower,
4830         Arm_relocate_functions::thumb32_cond_branch_offset,
4831         Arm_relocate_functions::thumb32_cond_branch_upper,
4832         Arm_relocate_functions::thumb32_cond_branch_lower,
4833         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4834         branch offset encoding.
4835         (Arm_relocate_functions::thumb_branch_common): Use new branch
4836         offset encoding methods to avoid code duplication.
4837         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4838         (Stub_addend_reader::operator()): Use new branch encoding method
4839         to avoid code duplication.
4840
4841 2010-01-11  Doug Kwan  <dougkwan@google.com>
4842
4843         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4844         (Target_arm::do_finalize_sections): Define special EXIDX section
4845         symbols only if referenced.
4846         * gc.h (Garbage_collection::add_reference): New method.
4847         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4848         code duplication.
4849
4850 2010-01-11  Ian Lance Taylor  <iant@google.com>
4851
4852         * script.cc (Version_script_info::build_expression_list_lookup):
4853         Change complaing about duplicate wildcard match from error to
4854         warning.
4855
4856         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4857         of 2009-12-30.
4858         (Version_script_info::Version_script_info): Initialize globs_,
4859         default_version_, default_is_global_, and exact_.  Don't
4860         initialize globals_ or locals_.
4861         (Version_script_info::build_lookup_tables): Build local symbols
4862         first.
4863         (Version_script_info::unquote): New function.
4864         (Version_script_info::add_exact_match): New function.
4865         (Version_script_info::build_expression_list_lookup): Remove lookup
4866         parameter.  Add is_global parameter.  Change all callers.  Handle
4867         wildcard pattern specially.  Unquote pattern.  Call
4868         add_exact_match.
4869         (Version_script_info::get_name_to_match): New function.
4870         (Version_script_info::get_symbol_version): New function.
4871         (Version_script_info::get_symbol_version_helper): Remove.
4872         (Version_script_info::check_unmatched_names): Call unquote.
4873         * script.h (class Version_script_info): Change get_symbol_version
4874         to be non-inline and add is_global parameter; change all callers.
4875         Rewrite symbol_is_local.  Update declarations.  Define struct
4876         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4877         Remove globals_ and locals_ members.  Add exact_, globs_,
4878         default_version_, is_global_.
4879         (Version_script_info::Glob): Remove pattern, add expression and
4880         is_global.  Update constructor.  Change all callers.
4881         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4882         default version.
4883         (Versions::symbol_section_contents): If a symbol is undefined, or
4884         defined in a dynamic object, set the version index to
4885         VER_NDX_LOCAL.
4886         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4887         symbol_is_local.
4888         (Symbol_table::add_from_pluginobj): Likewise.
4889         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4890
4891 2010-01-11  Doug Kwan  <dougkwan@google.com>
4892
4893         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4894         (incremental_dump_LDADD): Add linking option for libintl.
4895         * Makefile.in: Regenerate.
4896
4897 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4898
4899         PR gold/11144
4900         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4901         instead of -Ds.
4902         * testsuite/Makefile.in: Regenerated.
4903
4904 2010-01-10  Doug Kwan  <dougkwan@google.com>
4905
4906         * options.h (DEFINE_var): Use parentheses around argument varname__
4907         in macro body to avoid any unintended subsequent substitutions.
4908
4909 2010-01-10  Ian Lance Taylor  <iant@google.com>
4910
4911         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4912         candidates before doing symbol resolution.
4913
4914         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4915         ODR candidates if only one is weak.
4916
4917 2010-01-08  Ian Lance Taylor  <iant@google.com>
4918
4919         * script.cc (Version_script_info::build_expression_list_lookup):
4920         Don't warn about ambiguous version, just record the ambiguity.
4921         (Version_script_info::get_symbol_version_helper): Give error if
4922         version is ambiguous.
4923
4924 2010-01-08  Doug Kwan  <dougkwan@google.com>
4925
4926         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4927           prev_data_size_ and prev_addralign_.  Remove initializer for
4928           deleted data member has_been_changed_.
4929           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4930           to determine if the table is empty.
4931           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4932           Remove.
4933           (Stub_table::add_reloc_stub): Define method in class definition
4934           instead of just declaring it there.
4935           (Stub_table::add_cortex_a8_stub): New method definition.
4936           (Stub_table::update_data_size_and_addralign): Ditto.
4937           (Stub_table::finalize_stubs): Ditto.
4938           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4939           (Stub_table::do_addralign_): Return address alignment in the
4940           (Stub_table::do_reset_address_and_file_offset): Define method in
4941           class definition instead of declaring it there.  Set current data
4942           size to be the data size of the previous pass.
4943           (Stub_table::set_final_data_size): Use current data size as the
4944           final data size.
4945           (Stub_table::relocate_stub): Change parameter type of stub from
4946           Reloc_stub pointer to Stub pointer.
4947           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4948           (Stub_table::Cortex_a8_stub_list): New typedef.
4949           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4950            Stub_table::prev_addralign_): New data member.
4951           (Arm_relobj::Arm_relobj): Initialize data member
4952           section_has_cortex_a8_workaround_.
4953           (Arm_relobj::section_has_cortex_a8_workaround,
4954            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4955            definitions.
4956           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4957           declarations.
4958           (Target_arm::relocate_stub): Change parameter type of stub from
4959           Reloc_stub pointer to Stub pointer.
4960           (Insn_template::size, Insn_template::alignment): Handle
4961           THUMB16_SPECIAL_TYPE.
4962           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4963            Stub_table::update_data_size_and_addralign,
4964            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4965           definitions.
4966           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4967           (Stub_table::do_write): Ditto.
4968           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4969
4970 2010-01-08  Ian Lance Taylor  <iant@google.com>
4971
4972         PR 11108
4973         * symtab.h (class Symbol): Remove fields is_target_special_ and
4974         has_plt_offset_.  Add field is_defined_in_discarded_section_.
4975         (Symbol::is_defined_in_discarded_section): New function.
4976         (Symbol::set_is_defined_in_discarded_section): New function.
4977         (Symbol::has_plt_offset): Rewrite.
4978         (Symbol::set_plt_offset): Verify that new offset is not -1U.
4979         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
4980         Don't initialize is_target_special_ or has_plt_offset_.
4981         Initialize is_defined_in_discarded_section_.
4982         (Symbol_table::add_from_relobj): If appropriate, set
4983         is_defined_in_discarded_section.
4984         * resolve.cc (Symbol::override_base_with_special): Don't test
4985         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
4986         * target-reloc.h (relocate_section): Do special handling for
4987         symbols defined in discarded sections for global symbols as well
4988         as local symbols.
4989
4990 2010-01-08  Ian Lance Taylor  <iant@google.com>
4991
4992         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
4993         the SHT_SYMTAB case.
4994
4995 2010-01-08  Ian Lance Taylor  <iant@google.com>
4996
4997         * object.cc (Sized_relobj::do_layout): Don't get confused if
4998         layout_eh_frame returns NULL.
4999
5000 2010-01-08  Ian Lance Taylor  <iant@google.com>
5001
5002         PR 11084
5003         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5004         dynamic symbol table, use the normal symbol table.
5005         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5006         symbol table.
5007
5008 2010-01-08  Ian Lance Taylor  <iant@google.com>
5009
5010         PR 11072
5011         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5012         sections.
5013
5014 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5015
5016         * version.cc (print_version): Change to "Copyright 2010".
5017
5018 2010-01-08  Ian Lance Taylor  <iant@google.com>
5019
5020         PR 10287
5021         PR 11063
5022         * i386.cc (class Target_i386): Change return type of plt_section
5023         to be non-const.
5024         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5025         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5026         tls_desc_rel_ field.
5027         (Output_data_plt_i386::rel_tls_desc): New function.
5028         (Target_i386::rel_tls_desc_section): New function.
5029         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5030         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5031         R_386_TLS_DESC reloc in rel_tls_desc_section.
5032         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5033         Define struct Tlsdesc_info.
5034         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5035         (Target_x86_64::do_reloc_symbol_index): New function.
5036         (Target_x86_64::add_tlsdesc_info): New function.
5037         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5038         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5039         tlsdesc_rel_ field.
5040         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5041         all callers.
5042         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5043         (Target_x86_64::rela_tlsdesc_section): New function.
5044         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5045         handling.
5046         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5047         (Target_x86_64::do_reloc_addend): New function.
5048         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5049         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5050         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5051         (Output_reloc::type): New function.
5052         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5053         (Output_reloc::is_target_specific): New function.
5054         (Output_reloc::target_arg): New function.
5055         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5056         absolute relocs and target specific relocs.
5057         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5058         add_target_specific.
5059         (class Output_data_reloc) [SHT_RELA]: Likewise.
5060         * output.cc (Output_reloc::Output_reloc): Add four new versions
5061         for absolute relocs and target specific relocs.
5062         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5063         (Output_reloc::get_symbol_index): Likewise.
5064         (Output_reloc::local_section_offset): Check that local_sym_index_
5065         is not TARGET_CODE or 0.
5066         (Output_reloc::symbol_value): Likewise.
5067         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5068         reloc.
5069         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5070         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5071         functions.
5072         * layout.cc (add_target_dynamic_tags): Use output section for
5073         DT_PLTRELSZ and DT_JMPREL.
5074
5075 2010-01-07  Ian Lance Taylor  <iant@google.com>
5076
5077         PR 11061
5078         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5079         function.
5080         (class Output_data_reloc_generic): Define.
5081         (class Output_data_reloc_base): Change base class to
5082         Output_data_reloc_generic.  Change add() method to call
5083         bump_relative_reloc_count for a relative reloc.  Remove
5084         sort_relocs_ field.
5085         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5086         to sort_relocs().
5087         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5088         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5089         appropriate.
5090         * layout.h (class Layout): Update declaration.
5091
5092 2010-01-07  Ian Lance Taylor  <iant@google.com>
5093
5094         * output.h (class Output_data): Add const version of
5095         output_section and do_output_section.
5096         (class Output_section_data): Add const version of
5097         do_output_section.
5098         (class Output_section): Likewise.
5099         * layout.cc (Layout::add_target_dynamic_tags): New function.
5100         * layout.h (class Layout): Update declarations.
5101         * arm.cc (Target_arm::do_finalize_sections): Use
5102         add_target_dynamic_tags.
5103         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5104         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5105         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5106         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5107
5108 2010-01-07  Ian Lance Taylor  <iant@google.com>
5109
5110         PR 11042
5111         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5112         object as needed.
5113
5114 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5115             Ian Lance Taylor  <iant@google.com>
5116
5117         PR 11019
5118         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5119         Xindex::read_symtab_xindex.
5120
5121 2010-01-07  Doug Kwan  <dougkwan@google.com>
5122
5123         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5124         (Insn_template::thumb16_bcond_insn): New method declaration.
5125         (Insn_template): Fix spelling.
5126         (Stub::thumb16_special): New method declaration.
5127         (Stub::do_write): Define virtual method which was previously pure
5128         virtual.
5129         (Stub::do_thumb16_special): New method declaration.
5130         (Stub::do_fixed_endian_write): New template member.
5131         (Reloc_stub::do_write): Remove.
5132         (Reloc_stub::do_fixed_endian_write): Remove.
5133         (Cortex_a8_stub): New class definition.
5134         (Stub_factory::make_cortex_a8_stub): New method definition.
5135         (Stub_factory::Stub_factory): Add missing static storage class
5136         qualifier for elf32_arm_stub_a8_veneer_blx.
5137
5138 2010-01-07  Ian Lance Taylor  <iant@google.com>
5139
5140         PR 10980
5141         * options.h (class General_options): Add --warn-unresolved-symbols
5142         and --error-unresolved-symbols.
5143         * errors.cc (Errors::undefined_symbol): Implement
5144         --warn-unresolved-symbols.
5145
5146         * options.h (class General_options): Add -z text and -z textoff.
5147         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5148
5149 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5150
5151         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5152         (Garbage_collection::cident_sections): New function.
5153         (Garbage_collection::add_cident_section): New function.
5154         (Garbage_collection::cident_sections_): New member.
5155         (gc_process_relocs): Add references to sections whose names are C
5156         identifiers.
5157         * gold.h (cident_section_start_prefix): New constant.
5158         (cident_section_stop_prefix): New constant.
5159         (is_cident): New function.
5160         * layout.cc (Layout::define_section_symbols): Replace string constants
5161         with the newly defined constants.
5162         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5163         C identifiers.
5164         * testsuite/Makefile.am: Add gc_orphan_section_test.
5165         * testsuite/Makefile.in: Regenerate.
5166         * testsuite/gc_orphan_section_test.cc: New file.
5167         * testsuite/gc_orphan_section_test.sh: New file.
5168
5169 2010-01-06  Ian Lance Taylor  <iant@google.com>
5170
5171         PR 10980
5172         * options.h (class General_options): Add --warn-shared-textrel.
5173         * layout.cc (Layout::finish_dynamic_section): Implement
5174         --warn-shared-textrel.
5175
5176         PR 10980
5177         * options.h (class General_options): Add --warn-multiple-gp.
5178
5179 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5180
5181         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5182         $(THREADSLIB) and $(LIBDL).
5183         * Makefile.in: Rebuild.
5184
5185 2010-01-06  Ian Lance Taylor  <iant@google.com>
5186
5187         PR 10980
5188         * options.cc (General_options::parse_section_start): New function.
5189         (General_options::section_start): New function.
5190         (General_options::General_options): Initialize all members.
5191         * options.h: Include <map>
5192         (class General_options): Add --section-start.  Add section_starts_
5193         member.
5194         * layout.cc (Layout::attach_allocated_section_to_segment): If
5195         --section-start was used, set the address of the segment.  Remove
5196         local sort_sections.
5197         (Layout::relaxation_loop_body): If the address of the load segment
5198         has been set by --section-start, don't use it.
5199         * output.h (Output_segment::update_flags_for_output_section): New
5200         function.
5201         * output.cc (Output_segment::add_output_section): Call
5202         update_flags_for_output_section.
5203
5204 2010-01-05  Ian Lance Taylor  <iant@google.com>
5205
5206         PR 10980
5207         * options.h (class General_options): Add --undefined-version.
5208         * script.cc (struct Version_expression): Add was_matched_by_symbol
5209         field.
5210         (Version_script_info::matched_symbol): New function.
5211         (Version_script_info::get_symbol_version_helper): Call
5212         matched_symbol.
5213         (Version_script_info::check_unmatched_names): New function.
5214         * script.h (class Version_script_info): Update declarations.
5215         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5216
5217         * options.h (class General_options): Use DEFINE_bool_alias for
5218         allow_multiple_definition.
5219         * resolve.cc (Symbol_table::should_override): Don't test
5220         allow_multiple_definition.
5221
5222         PR 10980
5223         * options.h (class General_options): Add --cref.
5224         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5225         until after printing cref table.
5226         * cref.cc: Include "symtab.h".
5227         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5228         (Cref_table_compare::operator()): New function.
5229         (Cref_inputs::gather_cref): New function.
5230         (filecol): New static const.
5231         (Cref_inputs::print_cref): New function.
5232         (Cref::print_cref): New function.
5233         * cref.h: Include <cstdio>.
5234         (class Cref): Update declarations.
5235         * mapfile.h (Mapfile::file): New function.
5236         * object.h (class Object): Define Symbols.  Declare virtual
5237         do_get_global_symbols.
5238         (Object::get_global_symbols): New function.
5239         * object.cc (Input_objects::add_object): Pass object to cref_ if
5240         --cref.
5241         (Input_objects::archive_start): Likewise.
5242         (Input_objects::archive_stop): Likewise.
5243         (Input_objects::print_cref): New function.
5244         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5245         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5246         --cref.
5247         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5248         function.
5249         * plugin.h (class Sized_pluginobj): Update declarations.
5250
5251 2010-01-05  Ian Lance Taylor  <iant@google.com>
5252
5253         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5254         to is_default_version.  Rename insdef to insdefault.
5255         (Symbol_table::add_from_relobj): Rename def to is_default_version
5256         and local to is_forced_local.
5257         (Symbol_table::add_from_pluginobj): Likewise.
5258         (Symbol_table::add_from_dynobj): Likewise.
5259         (Symbol_table::define_special_symbol): Rename insdef to
5260         insdefault.
5261
5262 2010-01-04  Ian Lance Taylor  <iant@google.com>
5263
5264         PR 10980
5265         * options.h (class General_options): Add
5266         --allow-multiple-definition and -z muldefs.
5267         * resolve.cc (Symbol_table::should_override): Don't warn about a
5268         multiple symbol definition if --allow-multiple-definition or -z
5269         muldefs.
5270
5271         PR 10980
5272         * options.h (class General_options): Add --add-needed and
5273         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5274         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5275         error if --copy-dt-needed-entries aka --add-needed is used and
5276         would cause a change in behaviour.
5277
5278         PR 10980
5279         * options.h (class General_options): Add -G as a short version of
5280         --shared.  Add no-op options -assert, -g, and -i.
5281
5282 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5283
5284         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5285         check for .text or .gnu.linkonce.t sections.
5286         * icf.cc (Icf::find_identical_sections): Ditto.
5287         Change the detection for mangled function name within the section
5288         name.
5289         * icf.h (is_section_foldable_candidate): New function.
5290
5291 2009-12-30  Ian Lance Taylor  <iant@google.com>
5292
5293         PR 10980
5294         * options.h (class General_options): Permit two dashes with
5295         --retain-symbols-file.
5296
5297 2009-12-30  Ian Lance Taylor  <iant@google.com>
5298
5299         PR 10979
5300         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5301         don't put the file header and segment headers in the text
5302         segment.
5303
5304         PR 10979
5305         * common.cc (Sort_commons::operator()): Stabilize sort when both
5306         entries are NULL.
5307         (Symbol_table::do_allocate_commons_list): When allocating common
5308         symbols, skip a symbol which is no longer common.
5309         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5310         an object before checking its type.
5311         * testsuite/common_test_2.c: New file.
5312         * testsuite/common_test_3.c: New file.
5313         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5314         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5315         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5316         (common_test_2_pic.o, common_test_2.so): New targets.
5317         (common_test_3_pic.o, common_test_3.so): New targets.
5318         * testsuite/Makefile.in: Rebuild.
5319
5320         PR 10979
5321         * script.cc (read_input_script): If we see a new SECTIONS clause,
5322         and we have added an input section, give an error.
5323         * layout.h (class Layout): Add have_added_input_section function.
5324         Add have_added_input_section_ field.
5325         * layout.cc (Layout::Layout): Initialize
5326         have_added_input_section_.
5327         (Layout::layout): Set have_added_input_section_.
5328         (Layout::layout_eh_frame): Likewise.
5329
5330 2009-12-30  Ian Lance Taylor  <iant@google.com>
5331
5332         PR 10931
5333         * options.h (class General_options): Add --sort-common option.
5334         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5335         * common.cc (Sort_common): Add sort_order parameter to
5336         constructor.  Add sort_order_ field.
5337         (Sort_commons::operator): Check sort_order_.
5338         (Symbol_table::allocate_commons): Determine the sort order.
5339         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5340         Change all callers.
5341         (Symbol_table::do_allocate_commons_list): Likewise.
5342
5343 2009-12-30  Ian Lance Taylor  <iant@google.com>
5344
5345         PR 10916
5346         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5347         symbols from this object, don't change the visibility of an
5348         undefined symbol.
5349         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5350
5351 2009-12-30  Ian Lance Taylor  <iant@google.com>
5352
5353         PR 10861
5354         * script.h (class Version_script_info): Define Language enum.
5355         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5356         new fields globals_, locals_, and is_finalized_.
5357         * script.cc: Various formatting fixes.
5358         (class Parser_closure): Change language_stack_ from a vector of
5359         std::string to one of Version_script_info::Language.  Adjust all
5360         uses accordingly.
5361         (class Lazy_demangler): Remove.
5362         (struct Version_expression): Change language from std::string to
5363         Version_script_info::Language.
5364         (Version_script_info::Version_script_info): New function.
5365         (Version_script_info::~Version_script_info): Don't call clear.
5366         (Version_script_info::finalize): New function.
5367         (Version_script_info::build_lookup_tables): New function.
5368         (Version_script_info::build_expression_list_lookup): New
5369         function.
5370         (Version_script_info::get_symbol_version_helper): Rewrite to use
5371         lookup tables.
5372         (Version_script_info::print_expression_list): Adjust to use
5373         Version_script_info::Language.
5374         (script_push_lex_into_version_mode): Check that the version script
5375         has not been finalized.
5376         (version_script_push_lang): Change language string to
5377         Version_script_info::Language.
5378         * options.cc (Command_line::version_script): New function.
5379         * options.h (class General_options): Add finalize_dynamic_list
5380         function.  Change version_script from declaration to definition.
5381         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5382         * testsuite/version_script.map: Remove duplicate def of foo.
5383         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5384         version_script.map.
5385         * testsuite/Makefile.in: Rebuild.
5386
5387 2009-12-30  Ian Lance Taylor  <iant@google.com>
5388
5389         PR 10843
5390         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5391         if the input symbol index is 0, make the output symbol index 0.
5392
5393 2009-12-30  Ian Lance Taylor  <iant@google.com>
5394
5395         PR 10670
5396         * options.h (class General_options): Add -x/--discard-all.
5397         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5398         --discard-all.  If the local symbol needs a dynamic entry, check
5399         that before handling --discard-locals.
5400
5401 2009-12-30  Ian Lance Taylor  <iant@google.com>
5402
5403         PR 10450
5404         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5405         flags to PF_R.
5406         (Output_segment::add_output_section): Don't change the flags if
5407         the type is PT_TLS.
5408
5409         PR 10450
5410         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5411         GNU hash table if they need a dynamic value.  Otherwise, don't add
5412         them if they are defined in a dynamic object or are forced local.
5413
5414 2009-12-29  Ian Lance Taylor  <iant@google.com>
5415
5416         PR 10450
5417         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5418         .gnu.hash table for a 32-bit target.
5419
5420         PR 10450
5421         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5422         regular and a dynamic object only needs a dynamic symbol table
5423         entry if it is externally visible.
5424
5425         PR 10450
5426         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5427         constructor.  Add global_offset_table_ field.
5428         (Target_i386::got_section): Set global_offset_table_.
5429         (Target_i386::do_finalize_sections): Set global_offset_table_
5430         size.
5431         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5432         in constructor.  Add global_offset_table_ field.
5433         (Target_x86_64::got_section): Set global_offset_table_.
5434         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5435         size.
5436
5437         * layout.cc (Layout::Layout): Initialize increase_relro_.
5438         (Layout::get_output_section): Add is_relro, is_last_relro, and
5439         is_first_non_relro parameters.  Change all callers.
5440         (Layout::choose_output_section): Likewise.
5441         (Layout::add_output_section_data): Likewise.
5442         (Layout::make_output_section): Likewise.
5443         (Layout::set_segment_offsets): Clear increase_relro when using a
5444         linker script.
5445         * layout.h (class Layout): Add increase_relro method.  Add
5446         increase_relro_ field.  Update declarations.
5447         * output.cc (Output_section::Output_section): Initialize
5448         is_last_relro_ and is_first_non_relro_.
5449         (Output_segment::add_output_section): Group relro sections is
5450         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5451         (Output_segment::maximum_alignment): Remove relro handling.
5452         (Output_segment::set_section_addresses): Add increase_relro
5453         parameter.  Change all callers.  Add initial alignment to align
5454         relro sections on separate page.  Remove old relro handling.
5455         (Output_segment::set_section_list_addresses): Remove in_relro
5456         parameter.  Change all callers.
5457         (Output_segment::set_offset): Add increase parameter.  Change all
5458         callers.  Remove old relro handling.
5459         * output.h (class Output_section): Add new methods: is_last_relro,
5460         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5461         Add is_last_relro_ and is_first_non_relro_ fields.
5462         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5463         Create separate .got.plt section.  Call increase_relro.
5464         * x86_64.cc (Target_x86_64::got_section): Likewise.
5465         * testsuite/relro_script_test.t: Add .got.plt.
5466
5467         PR 10450
5468         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5469         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5470         (Layout::finalize): Call set_dynamic_symbol_size.
5471         (Layout::set_dynamic_symbol_size): New function.
5472         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5473         set_dynamic_symbol_size.
5474
5475         PR 10450
5476         * output.h (class Output_section): Add is_entsize_zero_ field.
5477         * output.cc (Output_section::Output_section): Initialize
5478         is_entsize_zero_.
5479         (Output_section::set_entsize): If two different entsizes are
5480         requested, force it to zero.
5481         (Output_section::add_input_section): Set flags for .debug_str
5482         before updating section flags.  Set entsize.
5483         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5484         and SHF_STRING if all input sections have those flags.
5485
5486 2009-12-29   Rafael Espindola  <espindola@google.com>
5487
5488         * main.cc (main): Fix the sys time reporting.
5489         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5490         reporting.
5491
5492 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5493
5494         * options.cc (General_options::parse_version): Allow -v to exit
5495         without an error if there is nothing to link.
5496
5497 2009-12-29  Ian Lance Taylor  <iant@google.com>
5498
5499         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5500         using a version of gcc before 4.1.
5501         * configure: Rebuild.
5502
5503 2009-12-28  Chris Demetriou  <cgd@google.com>
5504
5505         * attributes.cc (Output_attributes_section_data::do_write): Use
5506         std::vector::front rather than std::vector::data.
5507
5508 2009-12-28  Ian Lance Taylor  <iant@google.com>
5509
5510         * symtab.h (class Symbol_table): Add enum Defined.
5511         * resolve.cc (Symbol_table::should_override): Add defined
5512         parameter.  Change all callers.  Test whether object is NULL
5513         before calling a method on it.
5514         (Symbol_table::report_resolve_problem): Add defined parameter.
5515         Change all callers.
5516         (Symbol_table::should_override_with_special): Likewise.
5517         * symtab.cc (Symbol_table::define_in_output_data): Add defined
5518         parameter.  Change all callers.
5519         (Symbol_table::do_define_in_output_data): Likewise.
5520         (Symbol_table::define_in_output_segment): Likewise.
5521         (Symbol_table::do_define_in_output_segment): Likewise.
5522         (Symbol_table::define_as_constant): Likewise.
5523         (Symbol_table::do_define_as_constant): Likewise.
5524         * script.h (class Symbol_assignment): Add is_defsym parameter to
5525         constructor; change all callers.
5526         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
5527         parameter.  Change all callers.  Add is_defsym_ field.
5528         (class Parser_closure): Add parsing_defsym parameter to
5529         constructor; change all callers.  Add parsing_defsym accessor
5530         function.  Add parsing_defsym_ field.
5531
5532 2009-12-28  Ian Lance Taylor  <iant@google.com>
5533
5534         * gold.cc (queue_middle_tasks): Fix formatting.
5535         * object.cc (Relobj::is_section_name_included): Likewise.
5536
5537 2009-12-23  Ian Lance Taylor  <iant@google.com>
5538
5539         * i386.cc (Target_i386::do_calls_non_split): Recognize
5540         -fsplit-stack prologue for a function with a static chain.
5541         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
5542         -fsplit-stack prologue when using %r11.
5543
5544 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
5545
5546         * options.cc (General_options::parse_version): Make -v continue and do
5547         the link like GNU ld does.
5548
5549 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
5550
5551         * Makefile.am (CCFILES): Add timer.cc.
5552         (HFILES): Add timer.h.
5553         * configure.ac: Check for sysconf and times.
5554         * main.cc: include timer.h.
5555         (main): Use Timer instead of get_run_time.
5556         * timer.cc: New.
5557         * timer.h: New.
5558         * workqueue.cc: include timer.h.
5559         (Workqueue::find_and_run_task):
5560         Report user, sys and wall time.
5561         * Makefile.in: Regenerate.
5562         * config.in: Regenerate.
5563         * configure: Regenerate.
5564
5565 2009-12-16  Doug Kwan  <dougkwan@google.com>
5566
5567         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
5568         sections.
5569         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
5570         relaxed input sections.
5571         * output.cc (Output_section::find_relaxed_input_section): Change
5572         return type to Output_relaxed_input_section pointer.  Adjust code
5573         for new type of relaxed_input_section_map_.
5574         * output.h (Output_section::find_relaxed_input_section): Change
5575         return type to Output_relaxed_input_section pointer.
5576         (Output_section::Output_relaxed_input_section_by_input_section_map):
5577         New type.
5578         (Output_section::relaxed_input_section_map_): Change type to
5579         Output_section::Output_relaxed_input_section_by_input_section_map.
5580         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
5581         input section.
5582
5583 2009-12-15  Ian Lance Taylor  <iant@google.com>
5584
5585         * layout.cc (Layout::create_shstrtab): Only write out after input
5586         sections if we are compressing debug sections.
5587
5588 2009-12-15  Ian Lance Taylor  <iant@google.com>
5589
5590         * archive.cc (Archive::add_symbols): Only look up a symbol without
5591         a version if there is, in fact, a version.
5592
5593 2009-12-14  Ian Lance Taylor  <iant@google.com>
5594
5595         Revert -Wshadow changes, all changes from:
5596         2009-12-11  Doug Kwan  <dougkwan@google.com>
5597         2009-12-11  Nick Clifton  <nickc@redhat.com>
5598         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
5599
5600 2009-12-11  Doug Kwan  <dougkwan@google.com>
5601
5602         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
5603         due to -Wshadow.
5604         * attributes.cc (Object_attribute::size): Ditto.
5605         (Attributes_section_data::size): Ditto.
5606         (Attributes_section_data::Attributes_section_data): Ditto.
5607         (Output_attributes_section_data::do_write): Ditto.
5608         * attributes.h (Object_attribute::set_type): Ditto.
5609         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
5610
5611 2009-12-11  Nick Clifton  <nickc@redhat.com>
5612
5613         * archive.cc: Fix shadowed variable warnings.
5614         * arm.cc: Likewise.
5615         * compressed_output.cc: Likewise.
5616         * compressed_output.h: Likewise.
5617         * configure: Likewise.
5618         * dwarf_reader.cc: Likewise.
5619         * dynobj.cc: Likewise.
5620         * dynobj.h: Likewise.
5621         * ehframe.cc: Likewise.
5622         * ehframe.h: Likewise.
5623         * errors.cc: Likewise.
5624         * expression.cc: Likewise.
5625         * fileread.cc: Likewise.
5626         * fileread.h: Likewise.
5627         * freebsd.h: Likewise.
5628         * i386.cc: Likewise.
5629         * icf.cc: Likewise.
5630         * incremental.h: Likewise.
5631         * layout.cc: Likewise.
5632         * layout.h: Likewise.
5633         * mapfile.cc: Likewise.
5634         * merge.cc: Likewise.
5635         * merge.h: Likewise.
5636         * object.cc: Likewise.
5637         * object.h: Likewise.
5638         * options.h: Likewise.
5639         * output.cc: Likewise.
5640         * output.h: Likewise.
5641         * parameters.cc: Likewise.
5642         * plugin.cc: Likewise.
5643         * powerpc.cc: Likewise.
5644         * reduced_debug_output.cc: Likewise.
5645         * reduced_debug_output.h: Likewise.
5646         * reloc.cc: Likewise.
5647         * reloc.h: Likewise.
5648         * resolve.cc: Likewise.
5649         * script-sections.cc: Likewise.
5650         * script.cc: Likewise.
5651         * script.h: Likewise.
5652         * sparc.cc: Likewise.
5653         * symtab.cc: Likewise.
5654         * symtab.h: Likewise.
5655         * target-select.cc: Likewise.
5656         * target-select.h: Likewise.
5657         * token.h: Likewise.
5658         * workqueue.cc: Likewise.
5659         * workqueue.h: Likewise.
5660         * x86_64.cc: Likewise.
5661
5662 2009-12-10  Doug Kwan  <dougkwan@google.com>
5663
5664         * arm.cc (attributes.h): New include.
5665         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5666         (Arm_relobj::~Arm_relobj): Delete object pointed by
5667         attributes_section_data_.
5668         (Arm_relobj::attributes_section_data): New method definition.
5669         (Arm_relobj::attributes_section_data_): New data member declaration.
5670         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5671         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5672         attributes_section_data_.
5673         (Arm_dynobj::attributes_section_data): New method definition.
5674         (Arm_dynobj::attributes_section_data_): New data member declaration.
5675         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5676         initialization value of may_use_blx_ to false.
5677         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5678         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5679         object attributes to compute results instead of hard-coding.
5680         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5681         Target_arm::get_secondary_compatible_arch,
5682         Target_arm::set_secondary_compatible_arch
5683         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5684         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5685         New method declarations.
5686         (Target_arm::get_aeabi_object_attribute): New method definition.
5687         (Target_arm::attributes_section_data_): New data member declaration.
5688         (read_arm_attributes_section): New template definition.
5689         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5690         (Arm_dynobj::do_read_symbols): Ditto.
5691         (Target_arm::do_finalize_sections): Merge attributes sections from
5692         input.  Check for BLX use after attributes section merging.
5693         Fix __exidx_start and __exidx_end visibility.  Create an
5694         .ARM.attributes section if necessary.
5695         (Target_arm::get_secondary_compatible_arch,
5696         Target_arm::set_secondary_compatible_arch,
5697         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5698         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5699         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5700         New method definitions.
5701
5702 2009-12-09  Ian Lance Taylor  <iant@google.com>
5703
5704         * plugin.cc (Plugin::load): Don't cast from void* to a function
5705         pointer.
5706
5707 2009-12-09  Ian Lance Taylor  <iant@google.com>
5708
5709         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5710         information fields.
5711
5712 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5713
5714         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5715         Replace two_file_shared_1.so with two_file_shared_2.so.
5716         * testsuite/Makefile.in: Regenerated.
5717
5718 2009-12-08  Doug Kwan  <dougkwan@google.com>
5719
5720         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5721         (HFILES): Add attributes.h and int_encoding.h.
5722         * Makefile.in: Regenerate.
5723         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5724         function definitions to int_encoding.cc
5725         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5726         prototypes to int_encoding.h
5727         * reduced_debug_output.cc (int_encoding.h): New include.
5728         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5729         function definitions to int_encoding.cc
5730         (insert_into_vector, read_from_pointer): Move template definitions to
5731         int_encoding.h
5732         * attributes.cc: New file.
5733         * attributes.h: New file.
5734         * int_encoding.cc: New file.
5735         * int_encoding.h: New file.
5736
5737 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5738
5739         PR gold/11055
5740         * incremental-dump.cc (dump_incremental_inputs): New.
5741         (main): Use dump_incremental_inputs.
5742
5743 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5744
5745         PR gold/10893
5746         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5747         checking elfcpp::STT_FUNC.
5748         (Target_i386::Relocate::relocate): Likewise.
5749         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5750
5751         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5752         symbols from shared libraries into normal FUNC symbols.
5753
5754         * symtab.h (Symbol): Add is_func and use it.
5755
5756 2009-12-05  Doug Kwan  <dougkwan@google.com>
5757
5758         * arm.cc (Target_arm::arm_info): Initialize new fields
5759         attributes_section and attributes_vendor.
5760         * i386.cc (Target_i386::i386_info): Same.
5761         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5762         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5763         fields attributes_section and attributes_vendor.
5764         * sparc.cc (Target_sparc::sparc_info): Same.
5765         * target.h (Target::attributes_section, Target::attributes_vendor,
5766         Target::is_attributes_section, Target::attribute_arg_type,
5767         Target::attributes_order): New method definitions.
5768         (Target::Target_info::attributes_section,
5769         Target::Target_info::attributes_vendor): New fields.
5770         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5771         virtual method definitions.
5772         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5773         attributes_section and attributes_vendor.
5774         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5775
5776 2009-12-05  Doug Kwan  <dougkwan@google.com>
5777
5778         * arm.cc: Update comments about interworking and stub generation.
5779         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5780         considered as non-PIC.
5781         (Arm_relocate_functions::base_abs): Fix formatting.
5782         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5783         of function to use GOT entry address instead of offset.
5784         (Target_arm::Scan::global): Issue an error if a symbol would need a
5785         PLT does not get one because it is untyped.  Remove code to create
5786         dynamic symbols for relative branches.
5787         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5788         takes unsigned integer instead of boolean.
5789
5790 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5791
5792         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5793         (two_file_test_LDADD): Likewise.
5794         (common_test_1_LDADD): Likewise.
5795         (exception_test_LDADD) Likewise.
5796         (weak_test_LDADD): Likewise.
5797         (many_sections_test_LDADD): Likewise.
5798         (initpri1_LDADD): Likewise.
5799         (script_test_1_LDADD): Likewise.
5800         (script_test_2_LDADD): Likewise.
5801         (justsyms_LDADD): Likewise.
5802         (binary_test_LDADD): Likewise.
5803         (large_LDADD): Likewise.
5804         * testsuite/Makefile.in: Regenerated.
5805
5806 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5807
5808         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5809         (Symbol_table::override_with_special): Likewise.
5810         (Symbol_table::add_from_object): Likewise.
5811
5812 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5813
5814         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5815         Don't set the data_offset twice.
5816
5817 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5818
5819         * testsuite/Makefile.in: Regenerate.
5820
5821 2009-12-03  Doug Kwan  <dougkwan@google.com>
5822
5823         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5824         (Target_arm::do_finalize_sections): Add parameter for symbol table
5825         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5826         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5827         parameter for symbol table pointer.
5828         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5829         an additional parameter for a pointer to symbol table.
5830         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5831         parameter for a symbol table pointer.
5832         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5833         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5834         Ditto.
5835         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5836         parameter for a symbol table pointer.
5837
5838 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5839
5840         * incremental.cc (Incremental_inputs_header)
5841         (Incremental_inputs_header_write, Incremental_inputs_entry)
5842         (Incremental_inputs_entry_write): Move ...
5843         * incremental.h (Incremental_inputs_header)
5844         (Incremental_inputs_header_write, Incremental_inputs_entry)
5845         (Incremental_inputs_entry_write): here.
5846
5847 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5848
5849         * incremental.cc (make_sized_incremental_binary): Set the target.
5850         Error if it is incompatible.
5851         * output.h (Output_file): Add filename method.
5852
5853 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5854
5855         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5856         from the get_* methods.
5857
5858 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5859
5860         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5861         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5862         Write 0 for the data_offset of scripts.
5863
5864 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5865
5866         * testsuite/Makefile.am: Add the incremental_test.sh test.
5867         * testsuite/incremental_test.sh: New.
5868         * testsuite/incremental_test_1.c: New.
5869         * testsuite/incremental_test_2.c: New.
5870
5871 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5872
5873        * incremental-dump.cc (main): Fix typos.
5874
5875 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5876
5877         PR gold/11025
5878         * incremental-dump.cc (main): Use llu to print 64 bit values.
5879
5880 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5881             H.J. Lu  <hongjiu.lu@intel.com>
5882
5883         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5884         $(LIBDL).
5885         (incremental_dump_LDADD): Likewise.
5886         * Makefile.in: Regenerated.
5887
5888 2009-11-25  Doug Kwan  <dougkwan@google.com>
5889
5890         Revert:
5891
5892         2009-11-25  Doug Kwan  <dougkwan@google.com>
5893
5894                 * arm.cc (Target_arm::Target_arm): Move method definition
5895                 outside of class definition.  Add code to handle
5896                 --target1-rel, --target1-abs and --target2= options.
5897                 (Target_arm::get_reloc_reloc_type): Change method to be
5898                 non-static and const.
5899                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5900                 New data member declaration.
5901                 (Target_arm::Scan::local, Target_arm::Scan::global,
5902                 Target_arm::Relocate::relocate,
5903                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5904                 Adjust call to Target_arm::get_real_reloc_type.
5905                 (Target_arm::get_real_reloc_type): Use command line options
5906                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5907                 * options.h (--target1-rel, --target1-abs, --target2): New
5908                 ARM-only options.
5909
5910 2009-11-25  Doug Kwan  <dougkwan@google.com>
5911
5912         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5913         class definition.  Add code to handle --target1-rel, --target1-abs
5914         and --target2= options.
5915         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5916         and const.
5917         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5918         member declaration.
5919         (Target_arm::Scan::local, Target_arm::Scan::global,
5920         Target_arm::Relocate::relocate,
5921         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5922         call to Target_arm::get_real_reloc_type.
5923         (Target_arm::get_real_reloc_type): Use command line options to
5924         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5925         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5926         options.
5927
5928 2009-11-25  Doug Kwan  <dougkwan@google.com>
5929
5930         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5931         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5932         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5933         formatting.
5934         (Arm_relocate_functions::thm_call): Replace body with a call to
5935         Arm_relocate_functions::thumb_branch_common.
5936         (Arm_relocate_functions::thm_jump24,
5937         Arm_relocate_functions::thm_xpc22): New method definitions.
5938         (Arm_relocate_functions::thumb_branch_common): New method definition.
5939         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5940         operator.
5941         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5942         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5943
5944 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5945
5946         * Makefile.am: Build incremental-dump
5947         * Makefile.in: Regenerate.
5948         * incremental-dump.cc: New.
5949         * incremental.cc (Incremental_inputs_header_data,
5950         Incremental_inputs_entry_data): Move to incremental.h
5951         * incremental.h: (Incremental_inputs_header_data,
5952         Incremental_inputs_entry_data): Move from incremental.cc
5953
5954 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5955
5956         * incremental.cc (Incremental_inputs_header,
5957         Incremental_inputs_header_write, Incremental_inputs_entry,
5958         Incremental_inputs_entry_write): Add a typedef with the data type.
5959
5960 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5961
5962         * incremental.cc (Incremental_inputs_header,
5963         Incremental_inputs_header_write, Incremental_inputs_entry,
5964         Incremental_inputs_entry_write): Update comment about which
5965         type has the filed descriptions.
5966
5967 2009-11-15  Doug Kwan  <dougkwan@google.com>
5968
5969         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5970         (Arm_relocate_functions::arm_branch_common): Change method defintion
5971         in class definition to a method declaration and update list of formal
5972         parameters.
5973         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
5974         Arm_relocation_functions::jump24): Adjust call to
5975         Arm_relocate_functions::arm_branch_common.  Update list of formal
5976         parameters.
5977         (Arm_relocate_functions::xpc25): New method definition.
5978         (Arm_relocate_functions::arm_branch_common): Move method defintion
5979         out from class definition.  Use stubs for mode-switching and extending
5980         branch ranges.
5981         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
5982         specially.  Change code to enable use of stubs in ARM branches.
5983
5984 2009-11-10  Doug Kwan  <dougkwan@google.com>
5985
5986         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5987         in method declaration.
5988         (Target_arm::relocate_stub): New method declaration.
5989         (Target_arm::default_target): Change to return a pointer instead of
5990         a const reference.
5991         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
5992         Target_arm::default_target.
5993         (Arm_Relobj::do_relocate_sections): Remove options paramater in
5994         method definition.
5995         (Target_arm::relocate_section): Adjust view.
5996         (Target_arm::relocate_stub): New method definition.
5997
5998 2009-11-10  Doug Kwan  <dougkwan@google.com>
5999
6000         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6001         a format warning.
6002         * incremental.cc (open_incremental_binary): Initialized local
6003         variables to avoid warnings.
6004         * object.cc (make_elf_object): Ditto.
6005         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6006         a format warning.
6007
6008 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6009
6010         PR gold/10930
6011         * testsuite/plugin_test.c: Include "config.h".
6012
6013 2009-11-09  Doug Kwan  <dougkwan@google.com>
6014
6015         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6016         (arm_symbol_value): Remove.
6017         (Arm_relocate_functions::arm_branch_common,
6018         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6019         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6020         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6021         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6022         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6023         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6024         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6025         Arm_relocate_functions::thm_mobw_abs_nc,
6026         Arm_relocate_functions::thm_mov_abs,
6027         Arm_relocate_functions::movw_prel_nc,
6028         Arm_relocate_functions::thm_movt_abs,
6029         Arm_relocate_functions::movt_prel,
6030         Arm_relocate_functions::thm_movw_prel_nc,
6031         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6032         (Target_arm::Relocate::relocate): Only decompose address into two
6033         parts if relocation type uses the thumb-bit and pass the actual
6034         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6035         calls to methods in Arm_relocate_functions for this change.
6036
6037 2009-11-08  Ian Lance Taylor  <iant@google.com>
6038
6039         PR 10925
6040         * reloc.cc: Instantiate
6041         Sized_relobj::initialize_input_to_output_maps and
6042         Sized_relobj:free_input_to_output_maps.
6043
6044 2009-11-06  Ian Lance Taylor  <iant@google.com>
6045
6046         PR 10876
6047         * defstd.cc (in_segment): Set only_if_ref true for "end".
6048
6049 2009-11-06  Doug Kwan  <dougkwan@google.com>
6050
6051         * arm.cc (class Reloc_stub): Correct a comment.
6052         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6053         (Target_arm::scan_section_for_stubs): New method declaration.
6054         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6055         Change methods from private to protected.
6056         (Target_arm::do_may_relax): New method definition.
6057         (Target_arm::do_relax, Target_arm::group_sections,
6058         Target_arm::scan_reloc_for_stub,
6059         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6060         (Target_arm::arm_input_section_map_): New data member declaration.
6061         (Target_arm::scan_reloc_for_stub,
6062         Target_arm::scan_reloc_section_for_stubs,
6063         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6064         Target_arm::do_relax): New method definitions.
6065
6066 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6067
6068         * configure.ac: Check for (struct stat)::st_mtim
6069         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6070         * config.in: Regenerate.
6071         * configure: Regenerate.
6072
6073 2009-11-05  Ian Lance Taylor  <iant@google.com>
6074
6075         PR 10910
6076         * output.cc (Output_segment::add_output_section): Add missing
6077         return statement.
6078
6079 2009-11-04  Ian Lance Taylor  <iant@google.com>
6080
6081         PR 10880
6082         * object.h (class Object): Add is_needed and set_is_needed
6083         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6084         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6085         defined in a dynamic object and referenced by a regular object,
6086         set is_needed for the dynamic object.
6087         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6088         if the file is marked with as_needed and it is not needed.
6089
6090 2009-11-04  Ian Lance Taylor  <iant@google.com>
6091
6092         PR 10887
6093         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6094         tags if data is discarded by linker script.
6095         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6096         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6097         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6098         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6099
6100 2009-11-04  Ian Lance Taylor  <iant@google.com>
6101
6102         * layout.cc (Layout::get_output_section): Add is_interp and
6103         is_dynamic_linker_section parameters.  Change all callers.
6104         (Layout::choose_output_section): Likewise.
6105         (Layout::make_output_section): Likewise.
6106         (Layout::add_output_section_data): Add is_dynamic_linker_section
6107         parameter.  Change all callers.
6108         * layout.h (class Layout): Update declarations.
6109         * output.h (class Output_section): Add is_interp, set_is_interp,
6110         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6111         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6112         generate_code_fills_at_write_ to a bitfield.
6113         * output.cc (Output_section::Output_sections): Initialize new
6114         fields.
6115         (Output_segment::add_output_section): Add do_sort parameter.
6116         Change all callers.
6117
6118 2009-11-03  Ian Lance Taylor  <iant@google.com>
6119
6120         PR 10860
6121         * options.h (class General_options): Add --warn-common.
6122         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6123         merging two common symbols.
6124         (Symbol_table::should_override): Handle --warn-common when merging
6125         a common symbol with a defined symbol.  Use report_resolve_problem
6126         for multiple definitions.
6127         (Symbol_table::report_resolve_problem): New function.
6128         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6129
6130 2009-11-03  Doug Kwan  <dougkwan@google.com>
6131
6132         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6133         stub_factory_.
6134         (Target_arm::stub_factory): New method definition.
6135         (Target_arm::new_arm_input_section,
6136         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6137         Target_arm::reloc_uses_thumb_bit): New method declarations.
6138         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6139         New type definitions.
6140         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6141         member declarations.
6142         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6143         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6144         New method definitions.
6145
6146 2009-11-03  Ian Lance Taylor  <iant@google.com>
6147
6148         * options.h (class General_options): Add --warn_constructors.
6149
6150 2009-11-03  Ian Lance Taylor  <iant@google.com>
6151
6152         PR 10893
6153         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6154         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6155
6156 2009-11-03  Ian Lance Taylor  <iant@google.com>
6157
6158         PR 10895
6159         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6160         --msgid-bugs-address.
6161         (install-pdf): New target.
6162         (install-data_yes): Look up one directory to find mkinstalldirs.
6163
6164 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6165
6166         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6167         tree.
6168
6169 2009-10-30  Doug Kwan  <dougkwan@google.com>
6170
6171         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6172
6173 2009-10-30  Doug Kwan  <dougkwan@google.com>
6174
6175         * arm.cc (Stub_addend_reader): New struct template definition
6176         and partial specializations.
6177         (Stub_addend_reader::operator()): New method definition for a
6178         partially specialized template.
6179
6180 2009-10-30  Doug Kwan  <dougkwan@google.com>
6181
6182         * arm.cc (Arm_relobj::processor_specific_flags): New method
6183         definition.
6184         (Arm_relobj::do_read_symbols): New method declaration.
6185         (Arm_relobj::processor_specific_flags_): New data member declaration.
6186         (Arm_dynobj): New class definition.
6187         (Target_arm::do_finalize_sections): Add input_objects parameter.
6188         (Target_arm::do_adjust_elf_header): New method declaration.
6189         (Target_arm::are_eabi_versions_compatible,
6190         (Target_arm::merge_processor_specific_flags): New method declaration.
6191         (Target_arm::do_make_elf_object): New overloaded method definitions
6192         and declaration.
6193         (Arm_relobj::do_read_symbols): New method definition.
6194         (Arm_dynobj::do_read_symbols): Ditto.
6195         (Target_arm::do_finalize_sections): Add input_objects parameters.
6196         Merge processor-specific flags from all input objects.
6197         (Target_arm::are_eabi_versions_compatible,
6198         Target_arm::merge_processor_specific_flags,
6199         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6200         New method definitions.
6201         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6202         Input_objects pointer type parameter.
6203         * layout.cc (Layout::finalize): Pass input objects to target's.
6204         finalize_sections function.
6205         * output.cc (Output_file_header::do_sized_write): Set ELF file
6206         header's processor-specific flags.
6207         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6208         Input_objects pointer type parameter.
6209         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6210         * target.h (Input_objects): New forward class declaration.
6211         (Target::processor_specific_flags,
6212         Target::are_processor_specific_flags_sect): New method definitions.
6213         (Target::finalize_sections): Add input_objects parameter.
6214         (Target::Target): Initialize processor_specific_flags_ and
6215         are_processor_specific_flags_set_.
6216         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6217         parameter.
6218         (Target::set_processor_specific_flags): New method definition.
6219         (Target::processor_specific_flags_,
6220         Target::are_processor_specific_flags_set_): New data member
6221         declarations.
6222         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6223         Input_objects pointer type parameter.
6224
6225 2009-10-30  Doug Kwan  <dougkwan@google.com>
6226
6227         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6228
6229 2009-10-28  Ian Lance Taylor  <iant@google.com>
6230
6231         * object.h (class Relobj): Drop options parameter from
6232         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6233         do_scan_relocs, do_relocate.  Change all callers.
6234         (class Sized_relobj): Drop options parameters from
6235         do_gc_process_relocs, do_scan_relocs, do_relocate,
6236         do_relocate_sections, relocate_sections, emit_relocs_scan,
6237         emit_relocs_scan_reltype.  Change all callers.
6238         (struct Relocate_info): Remove options field and all references to
6239         it.
6240         * reloc.h (class Read_relocs): Remove options constructor
6241         parameter and options_ field.  Change all callers.
6242         (class Gc_process_relocs, class Scan_relocs): Likewise.
6243         (class Relocate_task): Likewise.
6244         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6245         all callers.
6246         (scan_relocatable_relocs): Likewise.
6247         * target.h (class Sized_target): Remove options parameter from
6248         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6249         all callers.
6250         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6251         callers.
6252         * arm.cc: Update functions to remove options parameters.
6253         * i386.cc: Likewise.
6254         * powerpc.cc: Likewise.
6255         * sparc.cc: Likewise.
6256         * x86_64.cc: Likewise.
6257         * testsuite/testfile.cc: Likewise.
6258
6259 2009-10-28  Doug Kwan  <dougkwan@google.com>
6260
6261         * arm.cc (Arm_relobj): New class definition.
6262         (Arm_relobj::scan_sections_for_stubs,
6263         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6264         New method definitions.
6265
6266 2009-10-28  Cary Coutant  <ccoutant@google.com>
6267
6268         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6269         (Plugin::cleanup_done_): New member.
6270         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6271         (Plugin_manager::cleanup_done_): Remove.
6272         (Plugin_manager::add_input_file): Edit error message.
6273         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6274         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6275
6276 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6277
6278         * fileread.cc: (File_read::View::~View): Use the new
6279         data_ownership_ filed.
6280         (File_read::~File_read): Dispose the new whole_file_view_.
6281         (File_read::open): Mmap the whole file if needed.
6282         (File_read::open): Use whole_file_view_ instead of contents_.
6283         (File_read::find_view): Use whole_file_view_ if applicable.
6284         (File_read::do_read): Use whole_file_view_ instead of contents_.
6285         (File_read::make_view): Use whole_file_view_ instead of contents_,
6286         update File_read::View::View call.
6287         (File_read::find_or_make_view): Update File_read::View::View
6288         call.
6289         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6290         remove contents_
6291         (File_read::View::Data_ownership): New enum.
6292         (File_read::View::View): Replace bool mapped_ with Data_ownership
6293         argument.
6294         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6295         (File_read::View::data_ownership_): New field.
6296         (File_read::contents_): Remove (replaced by whole_file_view_).
6297         (File_read::whole_file_view_): New field.
6298         * options.h (class General_options): Add --keep-files-mapped.
6299
6300 2009-10-27  Cary Coutant  <ccoutant@google.com>
6301
6302         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6303         * testsuite/Makefile.am (plugin_test_5): New test case.
6304         * testsuite/Makefile.in: Regenerate.
6305
6306 2009-10-25  Doug Kwan  <dougkwan@google.com>
6307
6308         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6309         from private to protected to allow access by child class.
6310         (Sized_relobj::do_relocate_sections): New method declaration.
6311         (Sized_relobj::relocate_sections): Virtualize.
6312         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6313         Sized_relobj::relocate_sections.  Instantiate template explicitly
6314         for different target sizes and endianity.
6315
6316 2009-10-24  Doug Kwan  <dougkwan@google.com>
6317
6318         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6319         (Arm_input_section::as_arm_input_section): New method.
6320         (Arm_output_section): New class definition.
6321         (Arm_output_section::create_stub_group,
6322         Arm_output_section::group_sections): New method definitions.
6323
6324 2009-10-22  Doug Kwan  <dougkwan@google.com>
6325
6326         * arm.cc (Arm_input_section): New class definition.
6327         (Arm_input_section::init, Arm_input_section:do_write,
6328         Arm_input_section::set_final_data_size,
6329         Arm_input_section::do_reset_address_and_file_offset): New method
6330         definitions.
6331
6332 2009-10-21  Doug Kwan  <dougkwan@google.com>
6333
6334         * arm.cc (Stub_table, Arm_input_section): New forward class
6335         declarations.
6336         (Stub_table): New class defintion.
6337         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6338         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6339         New method definition.
6340
6341 2009-10-21  Doug Kwan  <dougkwan@google.com>
6342
6343         * arm.cc: Update copyright comments.
6344         (Target_arm): New forward class template declaration.
6345         (Arm_address): New type.
6346         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6347         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6348         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6349         constants.
6350         (Insn_template): Same.
6351         (DEF_STUBS): New macro.
6352         (Stub_type): New enum type.
6353         (Stub_template): New class definition.
6354         (Stub): Same.
6355         (Reloc_stub): Same.
6356         (Stub_factory): Same.
6357         (Target_arm::Target_arm): Initialize may_use_blx_ and
6358         should_force_pic_veneer_.
6359         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6360         Target_arm::should_force_pic_veneer,
6361         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6362         Target_arm::using_thumb_only, Target_arm:;default_target): New
6363         method defintions.
6364         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6365         New data member declarations.
6366         (Insn_template::size, Insn_template::alignment): New method defintions.
6367         (Stub_template::Stub_template): New method definition.
6368         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6369         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6370         (Stub_factory::Stub_factory): New method definition.
6371         * gold.h (string_hash): New template.
6372         * output.h (Input_section_specifier::hash_value): Use
6373         gold::string_hash.
6374         (Input_section_specifier::string_hash): Remove.
6375         * stringpool.cc (Stringpool_template::string_hash): Use
6376         gold::string_hash.
6377
6378 2009-10-20  Doug Kwan  <dougkwan@google.com>
6379
6380         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6381         symbols of relaxed input sections.
6382         * output.h (Output_section::find_relaxed_input_section): Make
6383         method public.
6384
6385 2009-10-16  Doug Kwan  <dougkwan@google.com>
6386
6387         * dynobj.cc (Versions::Versions): Initialize version_script_.
6388         Only insert base version symbol definition for a shared object
6389         if version script defines any version versions.
6390         (Versions::define_base_version): New method definition.
6391         (Versions::add_def): Check that base version is not needed.
6392         (Versions::add_need): Define base version lazily.
6393         * dynobj.h (Versions::define_base_version): New method declaration.
6394         (Versions::needs_base_version_): New data member declaration.
6395         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6396         (check_DATA): Add no_version_test.stdout.
6397         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6398         New make rules.
6399         * testsuite/Makefile.in: Regenerate.
6400         * testsuite/no_version_test.c: New file.
6401         * testsuite/no_version_test.sh: Ditto.
6402
6403 2009-10-16  Doug Kwan  <dougkwan@google.com>
6404
6405         * expression.cc (class Segment_start_expression): New class definition.
6406         (Segment_start_expression::value): New method definition.
6407         (script_exp_function_segment_start): Return a new
6408         Segment_start_expression.
6409         * gold/script-c.h (script_saw_segment_start_expression): New function
6410         prototype.
6411         * script-sections.cc (Script_sections::Script_sections): Initialize
6412         SAW_SEGMENT_START_EXPRESSION_ to false.
6413         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6414         and -Tbbs options to specify section addresses if given in
6415         command line and no SEGMENT_START expression is seen in a script.
6416         * script-sections.h (Script_sections::saw_segment_start_expression,
6417         Script_sections::set_saw_segment_start_expression): New method
6418         definition.
6419         (Script_sections::saw_segment_start_expression_): New data member
6420         declaration.
6421         * script.cc (script_saw_segment_start_expression): New function.
6422         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6423         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6424         script_test_7.sh and script_test_8.sh.
6425         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6426         script_test_8.stdout.
6427         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6428         (script_test_6, script_test_6.stdout, script_test_7,
6429         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6430         * Makefile.in: Regenerate.
6431         * testsuite/script_test_6.sh: New file.
6432         * testsuite/script_test_6.t: Same.
6433         * testsuite/script_test_7.sh: Same.
6434         * testsuite/script_test_7.t: Same.
6435         * testsuite/script_test_8.sh: Same.
6436
6437 2009-10-16  Doug Kwan  <dougkwan@google.com>
6438
6439         * output.cc (Output_segment::set_section_list_address): Cast
6440         expressions to unsigned long long type to avoid format warnings.
6441
6442 2009-10-15  Ian Lance Taylor  <iant@google.com>
6443
6444         * script.cc (Script_options::add_symbol_assignment): Always add a
6445         dot assignment to script_sections_.
6446         * script-sections.cc (Script_sections::add_dot_assignment):
6447         Initialize if necessary.
6448
6449         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6450         program headers with no load segment if there is a linker script.
6451
6452         * layout.cc (Layout::set_segment_offsets): Align the file offset
6453         to the segment aligment for -N or -n with no load segment.
6454         * output.cc (Output_segment::add_output_section): Don't crash if
6455         the first section is a TLS section.
6456         (Output_segment::set_section_list_addresses): Print an error
6457         message if the address moves backward in a linker script.
6458         * script-sections.cc
6459         (Output_section_element_input::set_section_addresses): Don't
6460         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6461         (Orphan_output_section::set_section_addresses): Likewise.
6462
6463 2009-10-15  Doug Kwan  <dougkwan@google.com>
6464
6465         * layout.cc (Layout::finish_dynamic_section): Generate tags
6466         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6467         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6468         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6469
6470 2009-10-14  Ian Lance Taylor  <iant@google.com>
6471
6472         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6473         fields.
6474         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6475         data_shdr fields of relinfo.
6476         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6477         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6478         R_386_TLS_LDO_32, adjust based on section flags.
6479         (Target_i386::Relocate::fix_up_ldo): Remove.
6480
6481 2009-10-13  Ian Lance Taylor  <iant@google.com>
6482
6483         Add support for -pie.
6484         * options.h (class General_options): Add -pie and
6485         --pic-executable.
6486         (General_options::output_is_position_independent): Test -pie.
6487         (General_options::output_is_executable): Return true if not shared
6488         and not relocatable.
6489         (General_options::output_is_pie): Remove.
6490         * options.cc (General_options::finalize): Reject incompatible uses
6491         of -pie.
6492         * gold.cc (queue_middle_tasks): A -pie link is not static.
6493         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6494         * symtab.cc (Symbol::final_value_is_known): Return false if
6495         output_is_position_independent.
6496         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6497         output_is_position_independent.
6498         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6499         output_is_position_independent.
6500         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6501         output_is_position_independent.
6502         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6503         two_file_pie_test.
6504         (basic_pie_test.o, basic_pie_test): New targets.
6505         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
6506         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
6507         (two_file_pie_test): New target.
6508         * testsuite/Makefile.in: Rebuild.
6509         * README: Remove note saying that -pie is not supported.
6510
6511 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6512
6513         * options.h (class General_options): Add -init and -fini.
6514         * layout.cc (Layout::finish_dynamic_section): Emit
6515         given init and fini functions.
6516
6517 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
6518
6519         * gc.h (gc_process_relocs): Check if icf is enabled using new
6520         function.
6521         * gold.cc (queue_initial_tasks): Likewise.
6522         (queue_middle_tasks): Likewise.
6523         * object.cc (do_layout): Likewise.
6524         * symtab.cc (is_section_folded): Likewise.
6525         * main.cc (main): Likewise.
6526         * reloc.cc (Read_relocs::run): Likewise.
6527         (Sized_relobj::do_scan_relocs): Likewise.
6528         * icf.cc (is_function_ctor_or_dtor): New function.
6529         (Icf::find_identical_sections): Check if function is ctor or dtor when
6530         safe icf is chosen.
6531         * options.h (General_options::icf): Change option to be an enum.
6532         (Icf_status): New enum.
6533         (icf_enabled): New method.
6534         (icf_safe_folding): New method.
6535         (set_icf_status): New method.
6536         (icf_status_): New variable.
6537         * (options.cc) (General_options::finalize): Set icf_status_.
6538         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
6539         icf_test and icf_keep_unique_test to use the --icf enum flag.
6540         * testsuite/icf_safe_test.sh: New file.
6541         * testsuite/icf_safe_test.cc: New file.
6542
6543 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
6544
6545         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
6546         includes to gc.h and icf.h.
6547         * arm.cc: Include gc.h.
6548         * gold.cc: Likewise.
6549         * i386.cc: Likewise.
6550         * powerpc.cc: Likewise.
6551         * sparc.cc: Likewise.
6552         * x86_64.cc: Likewise.
6553         * gc.h: Include icf.h.
6554
6555 2009-10-11  Ian Lance Taylor  <iant@google.com>
6556
6557         * plugin.cc: Include "gold.h" before other header files.
6558
6559 2009-10-10  Chris Demetriou  <cgd@google.com>
6560
6561         * options.h (Input_file_argument::Input_file_type): New enum.
6562         (Input_file_argument::is_lib_): Replace with...
6563         (Input_file_argument::type_): New member.
6564         (Input_file_argument::Input_file_argument): Take Input_file_type
6565         'type' rather than boolean 'is_lib' as second argument.
6566         (Input_file_argument::is_lib): Use type_.
6567         (Input_file_argument::is_searched_file): New function.
6568         (Input_file_argument::may_need_search): Handle is_searched_file.
6569         * options.cc (General_options::parse_library): Support -l:filename.
6570         (General_options::parse_just_symbols): Update for Input_file_argument
6571         changes.
6572         (Command_line::process): Likewise.
6573         * archive.cc (Archive::get_file_and_offset): Likewise.
6574         * plugin.cc (Plugin_manager::release_input_file): Likewise.
6575         * script.cc (read_script_file, script_add_file): Likewise.
6576         * fileread.cc (Input_file::Input_file): Likewise.
6577         (Input_file::will_search_for): Handle is_searched_file.
6578         (Input_file::open): Likewise.
6579         * readsyms.cc (Read_symbols::get_name): Likewise.
6580         * testsuite/Makefile.am (searched_file_test): New test.
6581         * testsuite/Makefile.in: Regenerate.
6582         * testsuite/searched_file_test.cc: New file.
6583         * testsuite/searched_file_test_lib.cc: New file.
6584
6585 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6586             Ian Lance Taylor  <iant@google.com>
6587
6588         * descriptor.cc: Include <cstdio> and "binary-io.h".
6589         (Descriptors::open): Open the files in binary mode always.
6590         * script.cc (Lex::get_token): Treat \r as whitespace.
6591
6592 2009-10-09  Ian Lance Taylor  <iant@google.com>
6593
6594         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
6595
6596 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6597             Ian Lance Taylor  <iant@google.com>
6598
6599         * configure.ac: Check for readv function also.
6600         * fileread.cc (readv): Define if not HAVE_READV.
6601         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
6602         does not exist.
6603         * config.in: Regenerate.
6604         * configure: Regenerate.
6605
6606 2009-10-09  Doug Kwan  <dougkwan@google.com>
6607
6608         * layout.cc (Layout::make_output_section): Call target hook to make
6609         ordinary output section.
6610         (Layout::finalize): Adjust parameter list of call the
6611         Target::may_relax().
6612         * layout.h (class Layout::section_list): New method.
6613         * merge.h (Output_merge_base::entsize): Change visibility to public.
6614         (Output_merge_base::is_string, Output_merge_base::do_is_string):
6615         New methods.
6616         (Output_merge_string::do_is_string): New method.
6617         * object.cc (Sized_relobj::do_setup): renamed from
6618         Sized_relobj::set_up.
6619         * object.h (Sized_relobj::adjust_shndx,
6620         Sized_relobj::initializ_input_to_output_maps,
6621         Sized_relobj::free_input_to_output_maps): Change visibilities to
6622         protected.
6623         (Sized_relobj::setup): Virtualize.
6624         (Sized_relobj::do_setup): New method declaration.
6625         (Sized_relobj::invalidate_section_offset,
6626         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
6627         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
6628         * options.cc (parse_int): New function.
6629         * options.h (parse_int): New declaration.
6630         (DEFINE_int): New macro.
6631         (stub_group_size): New option.
6632         * output.cc (Output_section::Output_section): Initialize memebers
6633         merge_section_map_, merge_section_by_properties_map_,
6634         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
6635         (Output_section::add_input_section): Handled deferred code-fill
6636         generation and remove an old comment.
6637         (Output_section::add_relaxed_input_section): New method definition.
6638         (Output_section::add_merge_input_section): Use merge section by
6639         properties map to speed to search.  Update merge section maps
6640         as appropriate.
6641         (Output_section::build_relaxation_map): New method definition.
6642         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6643         Same.
6644         (Output_section::relax_input_section): Renamed to
6645         Output_section::convert_input_sections_to_relaxed_sections and change
6646         interface to take a vector of pointers to relaxed sections.
6647         (Output_section::find_merge_section,
6648         Output_section::find_relaxed_input_section): New method definitions.
6649         (Output_section::is_input_address_mapped,
6650         Output_section::output_offset, Output_section::output_address):
6651         Use output section data maps to speed up searching.
6652         (Output_section::find_starting_output_address): Add comments.
6653         (Output_section::do_write,
6654         Output_section::write_to_postprocessing_buffer): Do code-fill
6655         generation as appropriate.
6656         (Output_section::get_input_sections): Invalidate relaxed input section
6657         map.
6658         (Output_section::restore_states): Adjust type of checkpoint .
6659         Invalidate relaxed input section map.
6660         * output.h (Output_merge_base): New class declaration.
6661         (Input_section_specifier): New class defintion.
6662         (class Output_relaxed_input_section) Change base class to
6663         Output_section_data_build.
6664         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6665         base class initializer.
6666         (Output_section::add_relaxed_input_section): New method declaration.
6667         (Output_section::Input_section): Change visibility to protected.
6668         (Output_section::Input_section::relobj,
6669         Output_section::Input_section::shndx): Handle relaxed input sections.
6670         Output_section::input_sections) Change visibility to protected.  Also
6671         define overload to return a non-const pointer.
6672         (Output_section::Merge_section_properties): New class defintion.
6673         (Output_section::Merge_section_by_properties_map,
6674         Output_section::Output_section_data_by_input_section_map,
6675         Output_section::Relaxation_map): New types.
6676         (Output_section::relax_input_section): Rename method to
6677         Output_section::convert_input_sections_to_relaxed_sections and change
6678         interface to take a vector of relaxed section pointers.
6679         (Output_section::find_merge_section,
6680         Output_section::find_relaxed_input_section,
6681         Output_section::build_relaxation_map,
6682         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6683         New method declarations.
6684         (Output_section::merge_section_map_
6685         Output_section::merge_section_by_properties_map_,
6686         Output_section::relaxed_input_section_map_,
6687         Output_section::is_relaxed_input_section_map_valid_,
6688         Output_section::generate_code_fills_at_write_): New data members.
6689         * script-sections.cc
6690         (Output_section_element_input::set_section_addresses): Call
6691         current_data_size and addralign methods of relaxed input sections.
6692         (Orphan_output_section::set_section_addresses): Call current_data_size
6693         and addralign methods of relaxed input sections.
6694         * symtab.cc (Symbol_table::compute_final_value): Extract template
6695         from the body of Symbol_table::sized_finalize_symbol.
6696         (Symbol_table::sized_finalized_symbol): Call
6697         Symbol_table::compute_final_value.
6698         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6699         (Symbol_table::compute_final_value): New templated method declaration.
6700         * target.cc (Target::do_make_output_section): New method defintion.
6701         * target.h (Target::make_output_section): New method declaration.
6702         (Target::relax): Add more parameters for input objects, symbol table
6703         and layout.  Adjust call to do_relax.
6704         (Target::do_make_output_section): New method declaration.
6705         (Target::do_relax): Add parameters for input objects, symbol table
6706         and layout.
6707
6708 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6709
6710         * pread.c: Include stdio.h.
6711
6712 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6713
6714         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6715         defined.
6716
6717 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6718
6719         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6720         Change read_shndx type to unsigned int.
6721         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6722         int.
6723         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6724         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6725         Change read_shndx type to unsigned int.
6726         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6727         int.
6728         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6729         * layout.cc (Layout::create_symtab_sections): Cast the result of
6730         local_symcount * symsize to off_t in the gold_assert.
6731
6732 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6733
6734         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6735         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6736         R_ARM_BASE_ABS.
6737         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6738         (Arm_relocate_functions::thm_abs5): New function.
6739         (Arm_relocate_functions::abs12): New function.
6740         (Arm_relocate_functions::abs16): New function.
6741         (Arm_relocate_functions::base_abs): New function.
6742         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6743         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6744         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6745         R_ARM_BASE_ABS.
6746         (Scan::global): Likewise.
6747         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6748         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6749         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6750         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6751         R_ARM_BASE_ABS.
6752
6753 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6754
6755         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6756         (Arm_relocate_functions::movt_prel): New function.
6757         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6758         (Arm_relocate_functions::thm_movt_prel): New function.
6759         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6760         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6761         (Scan::global, Relocate::relocate): Likewise.
6762         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6763
6764 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6765
6766         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6767         Incremental_checker.
6768         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6769         unsigned int.
6770         (class Incremental_inputs_header): New class.
6771         (Incremental_inputs_header_writer): Edit comment.
6772         (Incremental_inputs_entry): New class.
6773         (Incremental_inputs_entry_writer): Edit comment.
6774         (Sized_incremental_binary::do_find_incremental_inputs_section):
6775         Add *strtab_shndx parameter, fill it.
6776         (Sized_incremental_binary::do_check_inputs): New method.
6777         (Incremental_checker::can_incrementally_link_output_file): Use
6778         Sized_incremental_binary::check_inputs.
6779         (Incremental_inputs::report_command_line): Save command line in
6780         command_line_.
6781         * incremental.h:
6782         (Incremental_binary::find_incremental_inputs_section): New
6783         method.
6784         (Incremental_binary::do_find_incremental_inputs_section): Add
6785         strtab_shndx parameter.
6786         (Incremental_binary::do_check_inputs): New pure virtual method.
6787         (Sized_incremental_binary::do_check_inputs): Declare.
6788         (Incremental_checker::Incremental_checker): Add incremental_inputs
6789         parameter, use it to initialize incremental_inputs_.
6790         (Incremental_checker::incremental_inputs_): New field.
6791         (Incremental_checker::command_line): New method.
6792         (Incremental_checker::inputs): New method.
6793         (Incremental_checker::command_line_): New field.
6794
6795 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6796
6797         * incremental.cc: Include <cstdarg> and "target-select.h".
6798         (vexplain_no_incremental): New function.
6799         (explain_no_incremental): New function.
6800         (Incremental_binary::error): New method.
6801         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6802         method.
6803         (make_sized_incremental_binary): New function.
6804         (open_incremental_binary): New function.
6805         (can_incrementally_link_file): Add checks if output is ELF and has
6806         inputs section.
6807         * incremental.h: Include "elfcpp_file.h" and "output.h".
6808         (Incremental_binary): New class.
6809         (Sized_incremental_binary): New class.
6810         (open_incremental_binary): Declare.
6811         * object.cc (is_elf_object): Use
6812         elfcpp::Elf_recognizer::is_elf_file.
6813         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6814         * output.h (Output_file::filesize): New method.
6815
6816 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6817
6818         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6819         New function.
6820         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6821         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6822         function.
6823         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6824         function.
6825         (Arm_relocate_functions::movw_abs_nc): New function.
6826         (Arm_relocate_functions::movt_abs): New function.
6827         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6828         (Arm_relocate_functions::thm_movt_abs): New function.
6829         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6830         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6831         (Scan::global): Likewise.
6832         (Relocate::relocate): Likewise.
6833         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6834
6835 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6836
6837         * arm.cc (Arm_relocate_functions::got_prel) New function.
6838         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6839         (Relocate::relocate): Likewise.
6840         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6841
6842 2009-10-06  Ian Lance Taylor  <iant@google.com>
6843
6844         * options.h (class General_options): Define
6845         split_stack_adjust_size parameter.
6846         * object.h (class Object): Add uses_split_stack_ and
6847         has_no_split_stack_ fields.  Add uses_split_stack and
6848         has_no_split_stack accessor functions.  Declare
6849         handle_split_stack_section.
6850         (class Reloc_symbol_changes): Define.
6851         (class Sized_relobj): Define Function_offsets.  Declare
6852         split_stack_adjust, split_stack_adjust_reltype, and
6853         find_functions.
6854         * object.cc (Object::handle_split_stack_section): New function.
6855         (Sized_relobj::do_layout): Call handle_split_stack_section.
6856         * dynobj.cc (Sized_dynobj::do_layout): Call
6857         handle_split_stack_section.
6858         * reloc.cc (Sized_relobj::relocate_sections): Call
6859         split_stack_adjust for executable sections in split_stack
6860         objects.  Pass reloc_map to relocate_section.
6861         (Sized_relobj::split_stack_adjust): New function.
6862         (Sized_relobj::split_stack_adjust_reltype): New function.
6863         (Sized_relobj::find_functions): New function.
6864         * target-reloc.h: Include "object.h".
6865         (relocate_section): Add reloc_symbol_changes parameter.  Change
6866         all callers.
6867         * target.h (class Target): Add calls_non_split method.  Declare
6868         do_calls_non_split virtual method.  Declare match_view and
6869         set_view_to_nop.
6870         * target.cc: Include "elfcpp.h".
6871         (Target::do_calls_non_split): New function.
6872         (Target::match_view): New function.
6873         (Target::set_view_to_nop): New function.
6874         * gold.cc (queue_middle_tasks): Give an error if mixing
6875         split-stack and non-split-stack objects with -r.
6876         * i386.cc (Target_i386::relocate_section): Add
6877         reloc_symbol_changes parameter.
6878         (Target_i386::do_calls_non_split): New function.
6879         * x86_64.cc (Target_x86_64::relocate_section): Add
6880         reloc_symbol_changes parameter.
6881         (Target_x86_64::do_calls_non_split): New function.
6882         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6883         parameter.
6884         * powerpc.cc (Target_powerpc::relocate_section): Add
6885         reloc_symbol_changes parameter.
6886         * sparc.cc (Target_sparc::relocate_section): Add
6887         reloc_symbol_changes parameter.
6888         * configure.ac: Call AM_CONDITIONAL for the default target.
6889         * configure: Rebuild.
6890         * testsuite/Makefile.am (TEST_AS): New variable.
6891         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6892         (check_DATA): Add split_i386 and split_x86_64 files.
6893         (SPLIT_DEFSYMS): Define.
6894         (split_i386_[1234n].o): New targets.
6895         (split_i386_[124]): New targets.
6896         (split_i386_[1234r].stdout): New targets.
6897         (split_x86_64_[1234n].o): New targets.
6898         (split_x86_64_[124]): New targets.
6899         (split_x86_64_[1234r].stdout): New targets.
6900         (MOSTLYCLEANFILES): Add new executables.
6901         * testsuite/split_i386.sh: New file.
6902         * testsuite/split_x86_64.sh: New file.
6903         * testsuite/split_i386_1.s: New file.
6904         * testsuite/split_i386_2.s: New file.
6905         * testsuite/split_i386_3.s: New file.
6906         * testsuite/split_i386_4.s: New file.
6907         * testsuite/split_i386_n.s: New file.
6908         * testsuite/split_x86_64_1.s: New file.
6909         * testsuite/split_x86_64_2.s: New file.
6910         * testsuite/split_x86_64_3.s: New file.
6911         * testsuite/split_x86_64_4.s: New file.
6912         * testsuite/split_x86_64_n.s: New file.
6913         * testsuite/testfile.cc (Target_test): Update relocation_section
6914         function.
6915         * testsuite/Makefile.in: Rebuild.
6916
6917 2009-10-06  Ian Lance Taylor  <iant@google.com>
6918
6919         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6920         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6921         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6922         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6923         the address on ldo_addrs_.
6924         (Target_i386::Relocate::fix_up_ldo): New function.
6925
6926 2009-10-06   Rafael Espindola  <espindola@google.com>
6927
6928         * plugin.cc (add_input_library): New.
6929         (Plugin::load): Add add_input_library to tv.
6930         (Plugin_manager::add_input_file): Add the is_lib argument.
6931         (add_input_file): Update call to Plugin_manager::add_input_file.
6932         (add_input_library): New.
6933         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6934
6935 2009-09-30  Doug Kwan  <dougkwan@google.com>
6936
6937         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6938         symbol and call Symbol::may_need_copy_reloc to determine if
6939         a copy reloc is needed.
6940         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6941         nocopyreloc is given in command line.
6942         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6943         given in command line.
6944         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6945         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6946         of the removed Target_i386::may_need_copy_reloc.
6947         * options.h (copyreloc): New option with default value false.
6948         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6949         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6950         instead of the removed Target_powerpc::may_need_copy_reloc.
6951         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6952         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6953         instead of the removed Target_sparc::may_need_copy_reloc.
6954         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6955         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6956         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6957         instead of the removed Target_x86_64::may_need_copy_reloc.
6958
6959 2009-09-30  Ian Lance Taylor  <iant@google.com>
6960
6961         * object.h (class Object): Remove target_ field, and target,
6962         sized_target, and set_target methods.
6963         (Object::sized_target): Remove.
6964         (class Sized_relobj): Update declarations.  Remove sized_target.
6965         * object.cc (Sized_relobj::setup): Remove target parameter.
6966         Change all callers.
6967         (Input_objects::add_object): Don't do anything with the target.
6968         (make_elf_sized_object): Add punconfigured parameter.  Change all
6969         callers.  Set or test parameter target.
6970         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6971         Change all callers.
6972         * parameters.cc (Parameters::set_target): Change parameter type to
6973         be non-const.
6974         (Parameters::default_target): Remove.
6975         (set_parameters_target): Change parameter type to be non-const.
6976         (parameters_force_valid_target): New function.
6977         (parameters_clear_target): New function.
6978         * parameters.h (class Parameters): Update declarations.  Remove
6979         default_target method.  Add sized_target and clear_target
6980         methods.  Change target_ to be non-const.
6981         (set_parameters_target): Update declaration.
6982         (parameters_force_valid_target): Declare.
6983         (parameters_clear_target): Declare.
6984         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
6985         as NULL if we aren't searching.
6986         (Add_symbols::run): Don't check for compatible target.
6987         * fileread.cc (Input_file::open_binary): Call
6988         parameters_force_valid_target.
6989         * gold.cc (queue_middle_tasks): Likewise.
6990         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
6991         set_target on object.
6992         * dynobj.h (class Sized_dynobj): Update declarations.
6993         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
6994         make_elf_object returns NULL.
6995         (Archive::include_member): Don't check whether object target is
6996         compatible.
6997         * output.cc (Output_section::add_input_section): Get target from
6998         parameters.
6999         (Output_section::relax_input_section): Likewise.
7000         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7001         parameters.
7002         (Sized_relobj::do_scan_relocs): Likewise.
7003         (Sized_relobj::relocate_sections): Likewise.
7004         * resolve.cc (Symbol_table::resolve): Likewise.
7005         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7006         parameter.  Change all callers.
7007         (Symbol_table::add_from_object): Get target from parameters.
7008         (Symbol_table::add_from_relobj): Don't check object target.
7009         (Symbol_table::add_from_dynobj): Likewise.
7010         (Symbol_table::define_special_symbol): Get target from
7011         parameters.
7012         * symtab.h (class Symbol_table): Update declaration.
7013         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7014         parameter.  Change all callers.  Clear parameter target.
7015         (Binary_test): Test target here.
7016         * testsuite/object_unittest.cc (gold_testsuite): Remove
7017         target_test_pointer parameter.  Change all callers.
7018         (Object_test): Test target here.
7019
7020 2009-09-26  Ian Lance Taylor  <iant@google.com>
7021
7022         * testsuite/initpri1.c: Don't try to use constructor priorities if
7023         compiling with gcc before 4.3.
7024
7025 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7026
7027         * testsuite/retain_symbols_file_test.sh (check_present): Change
7028         output file name to retain_symbols_file_test.stdout.
7029         (check_absent): Likewise.
7030
7031 2009-09-18  Craig Silverstein  <csilvers@google.com>
7032
7033         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7034         * options.cc: Include <cerrno> and <fstream>.
7035         (General_options::finalize): Parse -retain-symbols-file tag.
7036         * options.h: New flag.
7037         (General_options): New method should_retain_symbol, new
7038         variable symbols_to_retain.
7039         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7040         should_retain_symbol map.
7041         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7042         * testsuite/Makefile.in: Regenerate.
7043         * testsuite/retain_symbols_file_test.sh: New file.
7044
7045 2009-09-18  Nick Clifton  <nickc@redhat.com>
7046
7047         * po/es.po: Updated Spanish translation.
7048
7049 2009-09-17  Doug Kwan  <dougkwan@google.com>
7050
7051         * debug.h (DEBUG_RELAXATION): New constant.
7052         (DEBUG_ALL): Add DEBUG_RELAXATION.
7053         (debug_string_to_enum): Add relaxation debug option.
7054         * layout.cc
7055         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7056         Layout::Relaxation_debug_check::read_sections,
7057         Layout::Relaxation_debug_check::read_sections): New method definitions.
7058         (Layout::Layout): Initialize data members
7059         record_output_section_data_from_scrips_,
7060         script_output_section_data_list_ and relaxation_debug_check_.
7061         (Layout::save_segments, Layout::restore_segments,
7062         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7063         Layout::relaxation_loop_body): New method definitions.
7064         (Layout::finalize): Support relaxation.  Move section layout code to
7065         Layout::relaxation_loop_body.
7066         (Layout::set_asection_address_from_script): Move code for orphan
7067         section placement out.
7068         (Layout::place_orphan_sections_in_script): New method definition.
7069         * layout.h (Output_segment_headers, Output_file_header):
7070         New forward class declarations.
7071         (Layout::~Layout): Define.
7072         (Layout::new_output_section_data_from_script): New method definition.
7073         (Layout::place_orphan_sections_in_script): New method declaration.
7074         (Layout::Segment_states): New type declaration.
7075         (Layout::save_segments, Layout::restore_segments,
7076         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7077         Layout::relaxation_loop_body): New method declarations.
7078         (Layout::Output_section_data_list): New type declaration.
7079         (Layout::Relaxation_debug_check): New class definition.
7080         (Layout::record_output_section_data_from_script_,
7081         Layout::script_output_section_data_list_, Layout::segment_states_,
7082         Layout::relaxation_debug_check_): New data members.
7083         * output.cc: (Output_section_headers::do_size): New method definition.
7084         (Output_section_headers::Output_section_headers): Move size
7085         computation to Output_section_headers::do_size.
7086         (Output_segment_headers::do_size): New method definition.
7087         (Output_file_header::Output_file_header): Move size computation to
7088         Output_file_header::do_size and call it.
7089         (Output_file_header::do_size): New method definition.
7090         (Output_data_group::Output_data_group): Adjust call to
7091         Output_section_data.
7092         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7093         (Output_symtab_xindex::do_write): Add array bound check.
7094         (Output_section::Input_section::print_to_mapfile): Handle
7095         RELAXED_INPUT_SECTION_CODE.
7096         (Output_section::Output_section): Initialize data member checkpoint_.
7097         (Output_section::~Output_section): Delete checkpoint object pointed
7098         by checkpoint_.
7099         (Output_section::add_input_section): Always add an Input_section if
7100         relaxing.
7101         (Output_section::add_merge_input_section): Add assert.
7102         (Output_section::relax_input_section): New method definition.
7103         (Output_section::set_final_data_size): Set load address to zero for
7104         an unallocated section.
7105         (Output_section::do_address_and_file_offset_have_reset_values):
7106         New method definition.
7107         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7108         Handle relaxed input section.
7109         (Output_section::sort_attached_input_sections): Checkpoint input
7110         section list lazily.
7111         (Output_section::get_input_sections): Change type of input_sections to
7112         list of Simple_input_section pointers.  Checkpoint input section list
7113         lazily.  Also handle relaxed input sections.
7114         (Output_section::add_input_section_for_script): Take a reference to
7115         a Simple_input_section object instead of Relobj pointer and section
7116         index as parameter.  Handle relaxed input sections.
7117         (Output_section::save_states, Output_section::restore_states): New
7118         method definitions.
7119         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7120         (Output_data::is_data_size_fixed): New method definition.
7121         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7122         if it is fixed.
7123         (Output_data::address_and_file_offset_have_reset_values): New method
7124         definition.
7125         (Output_data::do_address_and_file_offset_have_reset_values): New method
7126         definition.
7127         (Output_data::set_data_size): Check that data size is not fixed.
7128         (Output_data::fix_data_size): New method definition.
7129         (Output_data::is_data_size_fixed_): New data member.
7130         (Output_section_headers::set_final_data_size): New method definition.
7131         (Output_section_headers::do_size): New method declaration.
7132         (Output_segment_headers::set_final_data_size): New method definition.
7133         (Output_segment_headers::do_size): New method declaration.
7134         (Output_file_header::set_final_data_size)::New method definition.
7135         (Output_file_header::do_size)::New method declaration.
7136         (Output_section_data::Output_section_data): Add new parameter
7137         is_data_size_fixed and use it to fix data size.
7138         (Output_data_const::Output_data_const): Adjust call to base class
7139         constructor and fix data size.
7140         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7141         base class constructor and fix data size.
7142         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7143         base class constructor and fix data size.
7144         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7145         class constructor and fix data size.
7146         (Output_data_group::set_final_data_size): New method definition.
7147         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7148         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7149         class constructor and fix data size.
7150         (Output_relaxed_input_section): New class definition.
7151         (Output_section::Simple_input_section): New class definition.
7152         (Output_section::get_input_sections): Adjust parameter list.
7153         (Output_section::add_input_section_for_script): Same.
7154         (Output_section::save_states, Output_section::restore_states,
7155         Output_section::do_address_and_file_offset_have_reset_values,
7156         (Output_section::Input_section::Input_section): Handle
7157         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7158         Output_relaxed_input_section.
7159         (Output_section::Input_section::is_input_section,
7160         Output_section::Input_section::set_output_section): Handle relaxed
7161         input section.
7162         (Output_section::Input_section::is_relaxed_input_section,
7163         Output_section::Input_section::output_section_data,
7164         Output_section::Input_section::relaxed_input_section): New method
7165         definitions.
7166         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7167         value.
7168         (Output_section::Input_section::u1_): Update comments.
7169         (Output_section::Input_section::u2_): Add new union member poris.
7170         (Output_section::Checkpoint_output_section): New classs definition.
7171         (Output_section::relax_input_section): New method declaration.
7172         (Output_section::checkpoint_): New data member.
7173         (Output_segment): Update comments.
7174         (Output_segment::Output_segment): Un-privatize copy constructor.
7175         (Output_segment::operator=): Un-privatize.
7176         * script-sections.cc (Output_section_element::Input_section_list):
7177         Change element type to Output_section::Simple_input_section.
7178         (Output_section_element_dot_assignment::set_section_addresses):
7179         Register output section data for relaxation clean up.
7180         (Output_data_exression::Output_data_expression): Adjust call to base
7181         constructor to fix data size.
7182         (Output_section_element_data::set_section_addresses): Register
7183         Output_data_expression object for relaxation clean up.
7184         (struct Input_section_info): Replace Relobj pointer and section index
7185         pair with Output_section::Simple_input_section and Convert struct to a
7186         class.
7187         (Input_section_sorter::operator()): Adjust access to
7188         Input_section_info data member to use accessors.
7189         (Output_section_element_input::set_section_addresses): Use layout
7190         parameter.  Adjust code to use Output_section::Simple_input_section
7191         and Input_secction_info classes.  Register filler for relaxation
7192         clean up.
7193         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7194         and section index pair with Output_section::Simple_input_section
7195         class.  Adjust code accordingly.
7196         (Phdrs_element::release_segment): New method definition.
7197         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7198         segment list.
7199         (Script_sections::release_segments): New method definition.
7200         * gold/script-sections.h (Script_sections::release_segments): New
7201         method declaration.
7202         * gold/target.h (Target::may_relax, Target::relax,
7203         Target::do_may_relax, Target::do_relax): New method definitions.
7204
7205 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7206
7207         * arm.cc (has_signed_unsigned_overflow): New function.
7208         (Arm_relocate_functions::abs8): New function.
7209         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7210         (Target_arm::Scan::global): Likewise.
7211         (Target_arm::relocate::relocate): Likewise.
7212         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7213         Likewise.
7214
7215 2009-09-16  Cary Coutant  <ccoutant@google.com>
7216
7217         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7218         * testsuite/Makefile.in: Regenerate.
7219
7220 2009-09-11  Nick Clifton  <nickc@redhat.com>
7221
7222         * po/gold.pot: Updated by the Translation project.
7223
7224 2009-09-08  Cary Coutant  <ccoutant@google.com>
7225
7226         * output.cc (Output_file::open): Add execute permission to empty file.
7227         * testsuite/Makefile.am (permission_test): New test.
7228         * testsuite/Makefile.in: Regenerate.
7229
7230 2009-09-02  Ian Lance Taylor  <iant@google.com>
7231
7232         * output.cc (Output_file::resize): Call map_no_anonymous rather
7233         than map.
7234
7235 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7236
7237         * gold.cc: Include "incremental.h".
7238         (queue_initial_tasks): Call Incremental_checker methods.
7239         * incremental.cc: Include "output.h".
7240         (Incremental_checker::can_incrementally_link_output_file): New
7241         method.
7242         * incremental.h (Incremental_checker): New class.
7243
7244         * output.cc (Output_file::open_for_modification): New method.
7245         (Output_file::map_anonymous): Changed return type to bool.  Record
7246         map in base_ field.
7247         (Output_file::map_no_anonymous): New method, broken out of map.
7248         (Output_file::map): Use map_no_anonymous and map_anonymous.
7249         * output.h (class Output_file): Update declarations.
7250
7251 2009-08-24  Cary Coutant  <ccoutant@google.com>
7252
7253         * options.h (Command_line::Pre_options): New class.
7254         (Command_line::pre_options): New member.
7255         * options.cc (gold::options::ready_to_register): New variable.
7256         (One_option::register_option): Do nothing if not registering options.
7257         Assert if same short option registered twice.
7258         (General_options::General_options): Turn off option registration when
7259         done constructing.
7260         (Command_line::Pre_options::Pre_options): New constructor.
7261
7262 2009-08-24  Cary Coutant  <ccoutant@google.com>
7263
7264         * options.h (General_options::no_keep_memory): Remove incorrect
7265         short option.
7266
7267 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7268
7269         * Makefile.am (am__skiplex, am__skipyacc): New.
7270         * Makefile.in: Regenerate.
7271
7272 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7273
7274         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7275         (INCLUDES): ... this.
7276         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7277         (AM_CPPFLAGS): Renamed from ...
7278         (INCLUDE): ... this.
7279         * Makefile.in, testsuite/Makefile.in: Regenerate.
7280
7281         * Makefile.in: Regenerate.
7282         * aclocal.m4: Likewise.
7283         * config.in: Likewise.
7284         * configure: Likewise.
7285         * testsuite/Makefile.in: Likewise.
7286
7287         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7288         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7289         * Makefile.in: Regenerate.
7290         * testsuite/Makefile.in: Regenerate.
7291
7292 2009-08-19  Cary Coutant  <ccoutant@google.com>
7293
7294         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7295         symbols in shared libraries overridden by hidden or internal symbols
7296         in the main program.
7297
7298 2009-08-19  Chris Demetriou  <cgd@google.com>
7299
7300         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7301         checking source file names in error messages.
7302
7303 2009-08-18  Doug Kwan  <dougkwan@google.com>
7304
7305         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7306         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7307         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7308         an elfcpp::Ehdr as parameter.
7309         * object.cc (Object::set_target): Remove the version that looks up
7310         a target and sets it.
7311         (Sized_relobj::setup): Take a Target object instead of
7312         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7313         (make_elf_sized_object): Find target and ask target to
7314         make an ELF object.
7315         * object.h: (Object::set_target): Remove the version that looks up
7316         a target and sets it.
7317         (Sized_relobj::setup): Take a Target object instead of
7318         an elfcpp:Ehdr as parameter.
7319         * target.cc: Include dynobj.h.
7320         (Target::do_make_elf_object_implementation): New.
7321         (Target::do_make_elf_object): New.
7322         * target.h (Target::make_elf_object): New template declaration.
7323         (Target::do_make_elf_object): New method declarations.
7324         (Target::do_make_elf_object_implementation): New template declaration.
7325
7326 2009-08-14  Ian Lance Taylor  <iant@google.com>
7327
7328         * gold.h (FUNCTION_NAME): Define.
7329         (gold_unreachable): Use FUNCTION_NAME.
7330
7331 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7332
7333         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7334         symbol in the --keep-unique list is not found.
7335
7336 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7337
7338         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7339         been maked as --keep-unique.
7340         (Icf::unfold_section): New function.
7341         * icf.h (Icf::unfold_section): New function.
7342         * options.h (General_options::keep_unique): New option.
7343         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7344         * testsuite/Makefile.in: Regenerate.
7345         * testsuite/icf_keep_unique_test.sh: New file.
7346         * testsuite/icf_keep_unique_test.cc: New file.
7347
7348 2009-08-12  Cary Coutant  <ccoutant@google.com>
7349
7350         PR 10471
7351         * resolve.cc (Symbol_table::resolve): Check for references from
7352         dynamic objects to hidden and internal symbols.
7353         * testsuite/Makefile.am (hidden_test.sh): New test.
7354         * testsuite/Makefile.in: Regenerate.
7355         * testsuite/hidden_test.sh: New script.
7356         * testsuite/hidden_test_1.c: New test source.
7357         * testsuite/hidden_test_main.c: New test source.
7358
7359 2009-08-11  Doug Kwan  <dougkwan@google.com>
7360
7361         * arm.cc: Update comments.
7362         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7363         segment to locate the .ARM.exidx section if present.
7364
7365 2009-08-09  Doug Kwan  <dougkwan@google.com>
7366
7367         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7368         patch.
7369
7370 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7371         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7372         compiler warnings.
7373
7374 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7375
7376         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7377         valid tls_segment only for non-debug-section relocations.
7378         * testsuite/Makefile.am: Add gc_tls_test.
7379         * testsuite/Makefile.in: Regenerate.
7380         * testsuite/gc_tls_test.cc: New file.
7381         * testsuite/gc_tls_test.sh: New file.
7382
7383 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7384
7385         * icf.cc: New file.
7386         * icf.h: New file.
7387         * Makefile.am (CCFILES): Add icf.cc.
7388         (HFILES): Add icf.h
7389         * Makefile.in: Regenerate.
7390         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7391         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7392         section, symbol and addend information for the relocs.
7393         * gold.cc (queue_middle_tasks): Call identical code folding.
7394         * gold.h: Add defines for multimap.
7395         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7396         to the call of finalize_local_symbols.
7397         * main.cc (main): Create object of class Icf.
7398         * object.cc (Sized_relobj::do_layout): Allow this function to be
7399         called twice during icf.
7400         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7401         to sections marked as identical by icf.
7402         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7403         when available.
7404         (Sized_relobj::do_section_entsize): New function.
7405         * object.h (Object::section_entsize): New function.
7406         (Object::do_section_entsize): New pure virtual function.
7407         (Relobj::finalize_local_symbols): Add new parameter.
7408         (Relobj::do_section_entsize): New function.
7409         * options.h (General_options::icf): New option.
7410         (General_options::icf_iterations): New option.
7411         (General_options::print_icf_sections): New option.
7412         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7413         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7414         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7415         icf.
7416         * symtab.cc (Symbol_table::is_section_folded): New function.
7417         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7418         to sections marked as identical by icf.
7419         * symtab.h (Symbol_table::set_icf): New function.
7420         (Symbol_table::icf): New function.
7421         (Symbol_table::is_section_folded): New function.
7422         (Symbol_table::icf_): New data member.
7423         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7424         * testsuite/Makefile.am: Add commands to build icf_test.
7425         * testsuite/Makefile.in: Regenerate.
7426         * testsuite/icf_test.sh: New file.
7427         * testsuite/icf_test.cc: New file.
7428
7429 2009-07-24  Chris Demetriou  <cgd@google.com>
7430
7431         * layout.cc (is_compressible_debug_section): Fix incorrect
7432         comment about compressed section names.
7433
7434 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7435
7436         PR 10419
7437         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7438
7439 2009-07-16  Ian Lance Taylor  <iant@google.com>
7440
7441         PR 10400
7442         * layout.h: #include <map>.
7443         (class Kept_section): Change from struct to class.  Add accessors
7444         and setters.  Add section size to Comdat_group mapping.  Change
7445         Comdat_group to std::map.  Add is_comdat_ field.  Add
7446         linkonce_size field in union.
7447         (class Layout): Update declaration of find_or_add_kept_section.
7448         Don't declare find_kept_object.
7449         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7450         parameter.  Add object, shndx, is_comdat, and is_group_name
7451         parameters.  Change all callers.  Adjust for new Kept_section.
7452         (Layout::find_kept_object): Remove.
7453         * object.cc (Sized_relobj::include_section_group): Update use of
7454         Kept_section.  Rename secnum to shndx.  Only record
7455         Kept_comdat_section if sections are the same size.
7456         (Sized_relobj::include_linkonce_section): Update use of
7457         Kept_section.  Only record Kept_comdat_section if sections are the
7458         same size.  Set size of linkonce section.
7459         (Sized_relobj::map_to_kept_section): Update call to
7460         get_kept_comdat_section.
7461         * object.h (class Sized_relobj): Rename fields in
7462         Kept_comdat_section to drop trailing underscores; change object
7463         field to Relobj*.  Change Kept_comdat_section_table to store
7464         struct rather than pointer.
7465         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7466         Add kept_object and kept_shndx parameters.  Change all callers.
7467         (Sized_relobj::get_kept_comdat_section): Change return type to
7468         bool.  Add kept_object and kept_shndx parameters.  Change all
7469         callers.
7470         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7471         Layout::find_or_add_kept_section.
7472
7473 2009-07-09  Ian Lance Taylor  <iant@google.com>
7474
7475         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7476         Reserve space in the hash table.
7477
7478 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7479
7480         * fileread.cc (File_read::get_mtime): New method.
7481         * fileread.h (Timespec): New structure.
7482         (File_read::get_mtime): New method.
7483         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7484         Renamed from timestamp_nsec.
7485         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7486         Elf_Xword.
7487         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7488         timestamp_nsec.
7489         (Incremental_inputs::report_archive): Save mtime; style fix.
7490         (Incremental_inputs::report_obejct): Save mtime; style fix.
7491         (Incremental_inputs::report_script): Save mtime; style fix.
7492         (Incremental_inputs::finalize_inputs): Style fix.
7493         (Incremental_inputs::finalize): Style fix.
7494         (Incremental_inputs::create_input_section_data): Store inputs
7495         mtime.
7496         * incremental.h (Incremental_inputs::report_script): Add mtime
7497         argument.
7498         (Incremental_inputs::Input_info::Input_info): Intialize only one
7499         union member.
7500         (Incremental_inputs::Input_info::archive): Move to nameless
7501         union.
7502         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7503         (Incremental_inputs::Input_info::script): Move to nameless union.
7504         (Incremental_inputs::mtime): New field.
7505         * script.cc (read_input_script): Pass file mtime to
7506         Incremental_input.
7507         * script.h (Script_info::inputs): Style fix.
7508
7509 2009-07-01  Ian Lance Taylor  <ian@airs.com>
7510
7511         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
7512         instead of 32.
7513
7514 2009-06-24  Ian Lance Taylor  <iant@google.com>
7515
7516         PR 10156
7517         * layout.cc (Layout::choose_output_section): If we find an
7518         existing section, update the flags.
7519         (Layout::create_notes): New function, broken out of
7520         Layout::finalize.
7521         (Layout::finalize): Don't create note sections.
7522         (Layout::create_note): Don't crash if linker script discards
7523         section.
7524         (Layout::create_gold_note): Likewise.
7525         (Layout::create_build_id): Likewise.  Don't set
7526         after_input_sections on the section.
7527         (Layout::create_executable_stack_info): Remove target parameter.
7528         Change caller.
7529         * layout.h (class Layout): Declare create_notes.  Update
7530         declaration of create_executable_stack_info.
7531         * gold.cc (queue_middle_tasks): Call create_notes.
7532         * output.cc (Output_section::update_flags_for_input_section): Move
7533         here from output.h.  If SHF_ALLOC flag is newly set, mark address
7534         invalid.
7535         * output.h (Output_data::mark_address_invalid): New function.
7536         (class Output_section): Only declare, not define,
7537         update_flags_for_input_section.  Remove set_flags.
7538
7539 2009-06-24  Ian Lance Taylor  <iant@google.com>
7540
7541         * script-sections.cc (Output_section_definition::
7542         set_section_addresses): Rename shadowing local load_address to
7543         laddr.
7544
7545 2009-06-24  Ian Lance Taylor  <iant@google.com>
7546
7547         PR 10244
7548         * reloc.cc (relocate_sections): Skip empty relocation sections.
7549
7550 2009-06-23  Ian Lance Taylor  <iant@google.com>
7551
7552         PR 10156
7553         * layout.cc (Layout::create_note): Use choose_output_section
7554         rather than make_output_section.
7555
7556 2009-06-23  Ian Lance Taylor  <iant@google.com>
7557
7558         PR 10237
7559         * options.cc (General_options::parse_V): Set printed_version_.
7560         (General_options::General_options): Initialize printed_version_.
7561         * options.h (class General_options): Add printed_version_ field.
7562         * gold.cc (queue_initial_tasks): If there are no input files,
7563         don't give a fatal error if we printed the version information.
7564         (queue_middle_tasks): If using -r with a shared object, give a
7565         fatal error rather than an ordinary error.
7566
7567 2009-06-23  Ian Lance Taylor  <iant@google.com>
7568
7569         PR 10219
7570         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
7571         (Layout::make_output_section): Set have_stabstr_section_ if we see
7572         a .stab*str section.
7573         (Layout::finalize): Call link_stabs_sections.
7574         (Layout::link_stabs_sections): New file.
7575         * layout.h (class Layout): Add have_stabstr_section_ field.
7576         Declare link_stabs_sections.
7577
7578 2009-06-23  Doug Kwan  <dougkwan@google.com>
7579
7580         * Makefile.am (libgold_a_LIBADD): New.
7581         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
7582         * Makefile.in: Regenerate.
7583         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
7584         * configure: Regenerate.
7585         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
7586         * fileread.cc: Include sys/state.h
7587         * gold.h: Declare memmem and strndup if found missing.
7588         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
7589
7590 2009-06-23  Ian Lance Taylor  <iant@google.com>
7591
7592         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
7593         * configure: Rebuild.
7594
7595 2009-06-23  Ian Lance Taylor  <iant@google.com>
7596
7597         PR 10147
7598         * object.cc (Object::section_contents): Don't try to get a view if
7599         the section has length zero.
7600         (Object::handle_gnu_warning_section): If the section is empty, use
7601         the name of the section as the warning.
7602
7603 2009-06-23  Ian Lance Taylor  <iant@google.com>
7604
7605         PR 10133
7606         * stringpool.h (class Stringpool_template): Add optimize_ field.
7607         (Stringpool_template::set_optimize): New function.
7608         * stringpool.cc (Stringpool_template::Stringpool_template):
7609         Initialize optimize_ field.
7610         (Stringpool_template::set_string_offsets): Test local optimize
7611         fild rather than parameter.
7612         * layout.cc (Layout::Layout): Call set_optimize on the section
7613         name stringpool.
7614
7615 2009-06-22  Ian Lance Taylor  <iant@google.com>
7616
7617         PR 10030
7618         * yyscript.y: Parse TARGET.
7619         * script.cc (script_set_target): New function.
7620         * script-c.h (script_set_target): Declare.
7621         * options.cc (General_options::string_to_object_format): Rename
7622         from string_to_object_format in anonymous namespace.  Change
7623         callers.
7624         * options.h (class General_options): Declare
7625         string_to_object_format.
7626
7627 2009-06-22  Ian Lance Taylor  <iant@google.com>
7628
7629         * script-sections.cc (Script_sections::create_segments): Don't put
7630         program headers in a PT_LOAD segment if -n or -N.
7631
7632 2009-06-22  Ian Lance Taylor  <iant@google.com>
7633
7634         PR 10141
7635         * options.h (class General_options): Add -z lazy and -z now.  Sort
7636         -z options into alphabetical order.
7637         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
7638
7639 2009-06-21  Ian Lance Taylor  <iant@google.com>
7640
7641         * layout.cc (Layout::make_output_section): Call
7642         Target::new_output_section.
7643         (Layout::attach_allocated_section_to_segment): Put large section
7644         sections in a separate load segment with the large segment flag
7645         set.
7646         (Layout::segment_precedes): Sort large data segments after other
7647         load segments.
7648         (align_file_offset): New static function.
7649         (Layout::set_segment_offsets): Use align_file_offset.
7650         * output.h (class Output_section): Add is_small_section_ and
7651         is_large_section_ fields.
7652         (Output_section::is_small_section): New function.
7653         (Output_section::set_is_small_section):  New function.
7654         (Output_section::is_large_section): New function.
7655         (Output_section::set_is_large_section): New function.
7656         (Output_section::is_large_data_section): New function.
7657         (class Output_segment): Add is_large_data_segment_ field.
7658         (Output_segment::is_large_data_segment): New function.
7659         (Output_segment::set_is_large_data_segment): New function.
7660         * output.cc (Output_section::Output_section): Initialize new
7661         fields.
7662         (Output_segment::Output_segment): Likewise.
7663         (Output_segment::add_output_section): Add assertion that large
7664         data sections always go in large data segments.  Force small data
7665         sections to the end of the list of data sections.  Force small BSS
7666         sections to the start of the list of BSS sections.  For large BSS
7667         sections to the end of the list of BSS sections.
7668         * symtab.h (class Symbol): Declare is_common_shndx.
7669         (Symbol::is_defined): Check Symbol::is_common_shndx.
7670         (Symbol::is_common): Likewise.
7671         (class Symbol_table): Define enum Commons_section_type.  Update
7672         declarations.  Add small_commons_ and large_commons_ fields.
7673         * symtab.cc (Symbol::is_common_shndx): New function.
7674         (Symbol_table::Symbol_table): Initialize new fields.
7675         (Symbol_table::add_from_object): Put small and large common
7676         symbols in the right list.
7677         (Symbol_table::sized_finalized_symbol): Check
7678         Symbol::is_common_shndx.
7679         (Symbol_table::sized_write_globals): Likewise.
7680         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7681         common symbol lists.  Don't call do_allocate_commons_list if the
7682         list is empty.
7683         (Symbol_table::do_allocate_commons_list): Remove is_tls
7684         parameter.  Add comons_section_type parameter.  Change all
7685         callers.  Handle small and large common symbols.
7686         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7687         Symbol::is_common_shndx.
7688         * resolve.cc (symbol_to_bits): Likewise.
7689         * target.h (Target::small_common_shndx): New function.
7690         (Target::small_common_section_flags): New function.
7691         (Target::large_common_shndx): New function.
7692         (Target::large_common_section_flags): New function.
7693         (Target::new_output_section): New function.
7694         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7695         small_common_section_flags, and large_common_section_flags
7696         fields.
7697         (Target::do_new_output_section): New virtual function.
7698         * arm.cc (Target_arm::arm_info): Initialize new fields.
7699         * i386.cc (Target_i386::i386_info): Likewise.
7700         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7701         Likewise.
7702         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7703         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7704         (Target_x86_64::do_new_output_section): New function.
7705         * configure.ac: Define conditional MCMODEL_MEDIUM.
7706         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7707         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7708         (large_LDFLAGS): Define.
7709         * testsuite/large.c: New file.
7710         * testsuite/testfile.cc (Target_test::test_target_info):
7711         Initialize new fields.
7712         * configure, testsuite/Makefile.in: Rebuild.
7713
7714 2009-06-05  Doug Kwan  <dougkwan@google.com>
7715
7716         * Makefile.am (CCFILES): Add target.cc.
7717         * Makefile.in: Regenerate.
7718         * i386.cc (class Target_i386): Define new virtual method to
7719         override do_is_local_label_name in parent.
7720         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7721         local symbols if --discard-locals or -X is given.
7722         * options.h (class General_options): Declare new options
7723         '--discard-locals' and '-X' for discarding locals.
7724         * target.h (class Target): Define new methods is_local_label_name.
7725         Declare new virtual method do_is_local_label_name.
7726         * target.cc: New file.
7727         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7728         (check_SCRIPTS): Add discard_locals_test.sh.
7729         (check_DATA): Add discard_local_tests.syms.
7730         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7731         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7732         * testsuite/Makefile.in: Regenerate.
7733         * testsuite/discard_locals_test.c: New file.
7734         * testsuite/discard_locals_test.sh: Same.
7735
7736 2009-06-05  Doug Kwan  <dougkwan@google.com>
7737
7738         * object.cc (Sized_relobj::Sized_relobj): Initialize
7739         discarded_eh_frame_shndx_ to -1U.
7740         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7741         section.
7742         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7743         a discarded .eh_frame section.
7744         (Sized_relobj::do_finalize_local_symbols): Ditto.
7745         * object.h (class Sized_relobj): Declare new member
7746         discarded_eh_frame_shndx_.
7747         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7748         (local_labels_test.o, local_labels_test): New rules.
7749         * testsuite/Makefile.in: Regenerate.
7750
7751 2009-06-04  Doug Kwan  <dougkwan@google.com>
7752
7753         * layout.cc (Layout::section_name_mapping): Add mapping for
7754         special ARM sections.
7755
7756 2009-06-03  Doug Kwan  <dougkwan@google.com>
7757
7758         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7759         (utils::has_overflow): Same.
7760
7761 2009-06-03  Ian Lance Taylor  <iant@google.com>
7762
7763         * layout.cc (Layout::section_name_mapping): New array, replacing
7764         Layout::linkonce_mapping.
7765         (Layout::section_name_mapping_count): New variable, replacing
7766         Layout::linkonce_mapping_count.
7767         (Layout::linkonce_output_name): Remove.
7768         (Layout::output_section_name): Rewrite.
7769         * layout.h (class Layout): Rename Linkonce_mapping to
7770         Section_name_mapping, linkonce_mapping to section_name_mapping,
7771         linkonce_mapping_count to section_name_mapping_count.  Don't
7772         declare linkonce_output_name.
7773
7774 2009-06-03  Doug Kwan  <dougkwan@google.com>
7775
7776         * gold/arm.cc (namespace utils): New.
7777         (Target_arm::reloc_is_non_pic): Define new method.
7778         (class Arm_relocate_functions): New.
7779         (Target_arm::Relocate::relocate): Handle relocation types used by
7780         Android.
7781
7782 2009-06-03  Ian Lance Taylor  <iant@google.com>
7783
7784         * arm.cc (Target_arm::scan::global): Use || instead of |.
7785
7786 2009-06-02  Doug Kwan  <dougkwan@google.com>
7787
7788         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7789         issued_non_pic_error_.
7790         (class Target_arm::Scan): Declare new method check_non_pic.
7791         Define new method symbol_needs_plt_entry.
7792         Declare new data member issued_non_pic_error_.
7793         (class Target_arm::Relocate): Declare new method
7794         should_apply_static_reloc.
7795         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7796         (Target_arm::Scan::check_non_pic): Define new method.
7797         (Target_arm::Scan::local): Handle a small subset of reloc types used
7798         by Android.
7799         (Target_arm::Scan::local): Same.
7800         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7801
7802 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7803
7804         * incremental.cc (Incremental_inputs::report_command_line): Filter
7805         out --incremental-* options.
7806
7807 2009-05-29  Doug Kwan  <dougkwan@google.com>
7808
7809         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7810         template class.
7811         (class Target_arm): Update comment.
7812         (Target_arm::Target_arm): Initialize new data members GOT_,
7813         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7814         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7815         and Target_arm::rel_dyn_section.
7816         Declare new_enum Target_arm::Got_type.
7817         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7818         and DYNBSS_.
7819         Update commments for member do_dynsym_value.
7820         (Target_arm::got_size, Target_arm::plt_section,
7821         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7822         new methods inside class defintion.
7823         (Target_arm::got_section): Define new method.
7824         (Target_arm::rel_dyn_section): Same.
7825         (Output_data_plt_arm): New template class.
7826         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7827         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7828         (Output_data_plt_arm::add_entry): Same.
7829         (Output_data_plt_arm::first_plt_entry): Define new
7830         static data member for PLT instruction template.
7831         (Output_data_plt_arm::plt_entry): Same.
7832         (Output_data_plt_arm::do_write): Define new method.
7833         (Target_arm::make_plt_entry): Same.
7834         (Target_arm::do_finalize_sections): Same.
7835         (Target_arm::do_dynsym_value): Same.
7836
7837 2009-05-28  Doug Kwan  <dougkwan@google.com>
7838
7839         * Makefile.am (TARGETSOURCES): Add arm.cc.
7840         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7841         * Makefile.in: Regenerate.
7842         * arm.cc: New file.
7843         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7844
7845 2009-05-26  Doug Kwan  <dougkwan@google.com>
7846
7847         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7848         (General_options::check_excluded_libs): Strip off directories in
7849         archive name before matching like GNU ld does.
7850         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7851         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7852         (exclude_libs_test_LDFLAGS): Add linker option
7853         -Wl,--exclude-libs,libexclude_libs_test_3
7854         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7855         an explicit archive without using -l.
7856         (alt/libexclude_libs_test_3.a): New make rule.
7857         * testsuite/Makefile.in: Regenerate.
7858         * testsuite/exclude_libs_test.c : Declare lib3_default().
7859         (main): Call it.
7860         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7861         * exclude_libs_test_3.c: New file.
7862
7863 2009-05-26  Nick Clifton  <nickc@redhat.com>
7864
7865         * po/id.po: New Indonesian translation.
7866         * po/gold.pot: Updated template file.
7867
7868 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7869
7870         * testsuite/Makefile.am: Add -ffunction-sections to compile
7871         gc_comdat_test files.  Add -Wl,--gc-sections to build
7872         gc_comdat_test.
7873         * testsuite/Makefile.in: Regenerate.
7874         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7875
7876 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7877
7878         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7879         kept comdat section was garbage collected.
7880         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7881         * testsuite/Makefile.in: Regenerate.
7882         * testsuite/gc_comdat_test.sh: New file.
7883         * testsuite/gc_comdat_test_1.cc: New file.
7884         * testsuite/gc_comdat_test_2.cc: New file.
7885
7886 2009-05-19  Doug Kwan  <dougkwan@google.com>
7887
7888         * archive.cc (Archive::Archive): Move constructor from archive.h
7889         to here.  Initialize no_export_.
7890         (Archive::get_elf_object_for_member): Set no_export flag of object.
7891         * archive.h (Archive::Archive): Move constructor body to
7892         archive.cc.
7893         (Archive::no_export): New method.
7894         (Archive::no_export_): New field.
7895         * object.h (Object::Object): Initialize no_export_ to false.
7896         (Object::no_export, Object::set_no_export): New methods.
7897         (Object::no_export_): New field.
7898         * options.cc (General_options::parse_exclude_libs): New method.
7899         (General_options::check_excluded_libs) Same.
7900         * options.h (exclude_libs): New option.
7901         (General_options::check_excluded_libs): New method declaration.
7902         (General_options::excluded_libs_): New field.
7903         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7904         default or protected visibility if an object has no-export flag set.
7905         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7906         (check_SCRIPTS): Add exclude_libs_test.sh.
7907         (check_DATA): Add exclude_libs_test.syms.
7908         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7909         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7910         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7911         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7912         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7913         libexclude_libs_test_2.a): New rules.
7914         * testsuite/Makefile.in: Regenerate.
7915         * testsuite/exclude_libs_test.c: New file.
7916         * testsuite/exclude_libs_test.sh: Ditto.
7917         * testsuite/exclude_libs_test_1.c: Ditto.
7918         * testsuite/exclude_libs_test_2.c: Ditto.
7919
7920 2009-05-15  Ian Lance Taylor  <iant@google.com>
7921
7922         * configure.ac: Check for declarations for cases where libiberty.h
7923         checks HAVE_DECL_xxx.
7924         * configure, config.in: Rebuild.
7925
7926 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7927
7928         * gold.h (Incremental_argument_list): Remove (invalid) forward
7929         declaration.
7930         * incremental.cc (Incremental_inputs::report_achive): New method.
7931         (Incremental_inputs::report_object): New method.
7932         (Incremental_inputs::report_script): New method.
7933         (Incremental_inputs::finalize_inputs): New method.
7934         (Incremental_inputs::finalize): Call finalize_inputs().
7935         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7936         Create inputs entries.
7937         * incremental.h (Incremental_input_type): New enum.
7938         (Incremental_inputs::Incremental_input): Initialize new fields.
7939         (Incremental_inputs::report_inputs): New method.
7940         (Incremental_inputs::report_achive): New method.
7941         (Incremental_inputs::report_object): New method.
7942         (Incremental_inputs::report_script): New method.
7943         (Incremental_inputs::finalize_inputs): New method.
7944         (Incremental_inputs::Input_info): New struct.
7945         (Incremental_inputs::Input_info_map): New typedef.
7946         (Incremental_inputs::lock_): New field.
7947         (Incremental_inputs::Inputs_): New field.
7948         (Incremental_inputs::Inputs_map): New field.
7949         * main.cc (main): Call Incremental_input::report_inputs.
7950         * options.h (Input_argument_list): Typedef moved from
7951         Input_arguments.
7952         (Input_file_group::Files): Remove, use ::Input_argument_list.
7953         (Input_file_group::Input_argument_list): Remove, use
7954         ::Input_argument_list.
7955         * plugin.cc (Plugin_manager::add_input_file): Add error in
7956         incremental build.
7957         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7958         functions.
7959         * script.cc (read_input_script): Call
7960         Incremental_input::report_script.
7961         * script.h (Script_info): New class.
7962
7963 2009-04-27  Ian Lance Taylor  <iant@google.com>
7964
7965         * x86_64.cc (do_adjust_output_section): Set entsize to
7966         plt_entry_size.
7967
7968 2009-04-23  Elliott Hughes  <enh@google.com>
7969
7970         * output.cc (Output_file::close): After short writes, continue
7971         writing from the correct offset in the buffer being written.
7972
7973 2009-04-23  Chris Demetriou  <cgd@google.com>
7974
7975         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
7976         * configure: Regenerate.
7977         * config.in: Regenerate.
7978         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
7979         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
7980
7981 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
7982
7983         * incremental.cc (Incremental_inputs_header_data): Renamed from
7984         Incremental_input_header_data.
7985         (Incremental_inputs_header_data::data_size): New field.
7986         (Incremental_inputs_header_data::put_input_file_count): Renamed
7987         from input_file_count.
7988         (Incremental_inputs_header_data::put_command_line_offset): Renamed
7989         from command_line_offset.
7990         (Incremental_inputs_header_data::put_reserved): Renamed from
7991         put_reserved.
7992         (Incremental_inputs_entry_data): Renamed from
7993         Incremental_input_entry_data.
7994         (Incremental_inputs_entry_data::data_size): New field.
7995         (Incremental_inputs::report_command_line): New method.
7996         (Incremental_inputs::finalize): New method.
7997         (Incremental_inputs::create_incremental_inputs_data): New method.
7998         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
7999         * incremental.h: New file.
8000         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8001        (Layout::finalize): Create incremental inputs section in
8002         incremental builds.
8003        (Layout::create_incremental_info_sections): New method.
8004         * layout.h (Layout::incremental_inputs): New method.
8005        (Layout::create_incremental_info_sections): New method.
8006        (Layout::incremental_inputs_): New field.
8007         * main.cc (main): Notify Incremental_input of the command line.
8008
8009 2009-04-01  Ian Lance Taylor  <iant@google.com>
8010             Mikolaj Zalewski  <mikolajz@google.com>
8011
8012         * gold.h (reserve_unordered_map): Define, three versions, one for
8013         each version of Unordered_map.
8014         * layout.cc (Layout::Layout): Remove options parameter.  Add
8015         number_of_input_files parameter.  Don't initialize options_.
8016         Initialize number_of_input_files_ and resized_signatures_.  Move
8017         sections_are_attached_.
8018         (Layout::layout_group): Reserve space for group_signatures_.
8019         (Layout::find_or_add_kept_section): Change name parameter to be a
8020         reference.  Resize signatures_ map when it gets large enough.
8021         (Layout::layout_eh_frame): Use parameters->options() instead of
8022         this->options_.
8023         (Layout::make_output_section): Likewise.
8024         (Layout::attach_allocated_section_to_segment): Likewise.
8025         (Layout::finalize, Layout::create_executable_stack): Likewise.
8026         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8027         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8028         * layout.h (class Layout): Update declarations.  Remove options_
8029         field.  Add number_of_input_files_ and resized_signatures_
8030         fields.  Move sections_are_attached_ field.
8031         * main.cc (main): Pass number of input files to Layout
8032         constructor.  Don't pass options.
8033
8034 2009-03-30  Ian Lance Taylor  <iant@google.com>
8035
8036         * ffsll.c (ffsll): Correct implementation.
8037
8038 2009-03-27  Ian Lance Taylor  <iant@google.com>
8039
8040         * ffsll.c: New file.
8041         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8042         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8043         * ftruncate.c (ftruncate): Declare before definition.
8044         * mremap.c (mremap): Likewise.
8045         * pread.c (pread): Likewise.
8046         * configure, Makefile.in, config.in: Rebuild.
8047
8048         * mremap.c: New file.
8049         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8050         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8051         (mremap): Declare if HAVE_MREMAP is not defined.
8052         * configure, Makefile.in, config.in: Rebuild.
8053
8054 2009-03-27  Cary Coutant  <ccoutant@google.com>
8055
8056         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8057         position independent.
8058         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8059         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8060
8061 2009-03-24  Cary Coutant  <ccoutant@google.com>
8062
8063         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8064         an executable.
8065         (needs_dynamic_reloc): Likewise.
8066
8067 2009-03-24  Ian Lance Taylor  <iant@google.com>
8068
8069         * yyscript.y (file_cmd): Recognize EXTERN.
8070         (extern_name_list, extern_name_list_body): New nonterminals.
8071         * script.cc (script_add_extern): Define.
8072         * script-c.h (script_add_extern): Declare.
8073
8074 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8075
8076         * object.cc (is_elf_object): Define.
8077         * object.h (is_elf_object): Declare.
8078         * archive.cc (Archive::get_elf_object_for_member): Call
8079         is_elf_object.
8080         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8081
8082 2009-03-24  Elliott Hughes  <enh@google.com>
8083
8084         * output.cc (Output_file::map_anonymous): Define.
8085         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8086         try an anonymous one.  Report the size if the mmap fails.
8087         * output.h (class Output_file): Declare map_anonymous.
8088
8089 2009-03-24  Ian Lance Taylor  <iant@google.com>
8090
8091         * target-select.cc (instantiate_target): Don't acquire the lock if
8092         the instantiated_target_ field has already been set.
8093
8094 2009-03-23  Ian Lance Taylor  <iant@google.com>
8095
8096         * gold-threads.h (class Initialize_lock): Define.
8097         * gold-threads.cc (class Initialize_lock_once): Define.
8098         (initialize_lock_control): New static variable.
8099         (initialize_lock_pointer): New static variable.
8100         (initialize_lock_once): New static function.
8101         (Initialize_lock::Initialize_lock): Define.
8102         (Initialize_lock::initialize): Define.
8103         * target-select.h: Include "gold-threads.h".
8104         (class Target_selector): Add lock_ and initialize_lock_ fields.
8105         Don't define instantiate_target, just declare it.
8106         * target-select.cc (Target_selector::Target_selector): Initialize
8107         new fields.
8108         (Target_selector::instantiate_target): Define.
8109         * descriptors.h: Include "gold-threads.h".
8110         (class Descriptors): Add initialize_lock_ field.
8111         * descriptors.cc (Descriptors::Descriptors): Initialize new
8112         field.
8113         (Descriptors::open): Use initialize_lock_ field
8114         * errors.h (class Errors): Add initialize_lock_ field.
8115         * errors.cc (Errors::Errors): Initialize new field.
8116         (Errors::initialize_lock): Use initialize_lock_ field.
8117         * powerpc.cc (class Target_selector_powerpc): Remove
8118         instantiated_target_ field.  In do_recognize call
8119         instantiate_target rather than do_instantiate_target.  In
8120         do_instantiate_target just allocate a new target.
8121         * sparc.cc (class Target_selector_sparc): Likewise.
8122
8123         * freebsd.h: New file.
8124         * i386.cc: Include "freebsd.h".
8125         (Target_i386): Derive from Target_freebsd rather than
8126         Sized_target.
8127         (Target_selector_i386): Derive from Target_selector_freebsd rather
8128         than Target_selector.
8129         * x86_64.cc: Include "freebsd.h".
8130         (Target_x86_64): Derive from Target_freebsd rather than
8131         Sized_target.
8132         (Target_selector_x86_64): Derive from Target_selector_freebsd
8133         rather than Target_selector.
8134         * target.h (class Target): Add adjust_elf_header and
8135         do_adjust_elf_header.
8136         * output.cc (Output_file_header:: do_sized_write): Call target
8137         adjust_elf_header routine.
8138         * configure.tgt: Set targ_osabi.
8139         * configure.ac: Define GOLD_DEFAULT_OSABI.
8140         * parameters.cc (Parameters::default_target): Pass
8141         GOLD_DEFAULT_OSABI to select_target.
8142         * target-select.h (class Target_selector): Make instantiate_target
8143         protected rather than private.
8144         * Makefile.am (HFILES): Add freebsd.h.
8145         * configure, Makefile.in, config.in: Rebuild.
8146
8147         * merge.cc (do_add_input_section): Correct pend value.  Change
8148         message about last entry not being null terminated from error to
8149         warning.
8150
8151 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8152
8153         * incremental.cc: New file.
8154         * Makefile.am (CCFILES): Add incremental.cc.
8155         * Makefile.in: Rebuild.
8156
8157 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8158
8159         * layout.cc (Layout::output_section_name): Preserve names
8160         of '.note.' sections.
8161
8162 2009-03-19  Ian Lance Taylor  <iant@google.com>
8163
8164         * descriptors.cc (Descriptors::open): Check that the options are
8165         valid before using them.
8166
8167 2009-03-18  Ian Lance Taylor  <iant@google.com>
8168
8169         * script-sections.h: Include <list>.
8170         (class Script_sections): Change Sections_elements from std::vector
8171         to std::list.  Typedef public Elements_iterator.  Add
8172         orphan_section_placement_, data_segment_align_start_, and
8173         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8174         field.
8175         * script-sections.cc (class Orphan_section_placement): New class.
8176         (class Sections_element): Add virtual functions is_relro and
8177         orphan_section_init.  Remove virtual function place_orphan_here.
8178         (class Output_section_definition): Add is_relro and
8179         orphan_section_init.  Remove place_orphan_here.
8180         (class Orphan_output_section): Likewise.
8181         (Script_sections::Script_sections): Update for field changes.
8182         (Script_sections::data_segment_align): Set saw_data_segment_align_
8183         and data_segment_align_start_, not data_segment_align_index.
8184         (Script_sections::data_segment_relro_end): Check
8185         saw_data_segment_align_.  Use data_segment_align_start_ rather
8186         than data_segment_align_index_.
8187         (Script_sections::place_orphan): Rewrite to use
8188         Orphan_section_placement.
8189
8190 2009-03-17  Ian Lance Taylor  <iant@google.com>
8191
8192         * archive.cc (Archive::add_symbols): Check for a version attached
8193         to the symbol name in the archive map.
8194         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8195         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8196         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8197         (ver_test_11.a): New target.
8198         * testsuite/Makefile.in: Rebuild.
8199
8200         * configure.ac: Check for chsize and posix_fallocate.  Replace
8201         ftruncate.
8202         * ftruncate.c: New file, from gnulib.
8203         * output.cc (posix_fallocate): Define dummy version if not
8204         HAVE_POSIX_FALLOCATE.
8205         (Output_file::map): Call posix_fallocate rather than lseek and
8206         write.
8207         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8208         * configure, Makefile.in, config.in: Rebuild.
8209
8210 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8211
8212         * layout.h (Layout::create_note): Add section_name parameter.
8213         * layout.cc (Layout::create_note): Likewise.
8214         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8215
8216 2009-03-17  Ian Lance Taylor  <iant@google.com>
8217
8218         * descriptors.cc: Include "options.h".
8219         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8220         (Descriptors::open): Always use O_CLOEXEC when opening a new
8221         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8222         then set FD_CLOEXEC.
8223
8224         * sparc.cc (class Target_sparc): Add has_got_section.
8225         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8226         make sure we have a GOT section.
8227
8228         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8229         (Target_sparc::Scan::local): Likewise.
8230         (Target_sparc::Scan::global): Likewise.
8231         (Target_sparc::Relocate::relocate): Likewise.
8232         (Target_sparc::Relocate::relocate_tls): Likewise.
8233
8234         * symtab.cc (Symbol_table::define_default_version): New function,
8235         broken out of add_from_object.
8236         (Symbol_table::add_from_object): Call define_default_version.
8237         (Symbol_table::define_special_symbol): Add resolve_oldsym
8238         parameter.  Change all callers.  If the version for a symbol comes
8239         from a version script, resolve it with the symbol with the same
8240         name with no version.  Also add the symbol without a version if
8241         appropriate.
8242         (do_define_in_output_data): If resolving with oldsym, don't delete
8243         sym.
8244         (do_define_in_output_segment): Likewise.
8245         (do_define_as_constant): Likewise.
8246         * symtab.h (class Symbol_table): Update declarations.
8247
8248 2009-03-13  Ian Lance Taylor  <iant@google.com>
8249
8250         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8251         (Read_symbols::requeue): New function.
8252         (Read_symbols::do_read_symbols): If make_elf_object fails because
8253         the target type is not configured, and the file was searched for,
8254         issue a warning and retry with the next directory.
8255         (Add_symbols::run): If the file has an incompatible format, and
8256         it was searched for, requeue the Read_symbols task.  On error,
8257         release the object.
8258         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8259         dirindex parameter to constructor.  Change all callers.  Declare
8260         incompatible_warning and requeue.
8261         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8262         input_argument_ and input_group_ fields.  Add them to
8263         constructor.  Change all callers.
8264         (class Read_script): Add dirindex_ field.  Add it to constructor.
8265         Change all callers.
8266         * archive.cc (Archive::setup): Remove input_objects parameter.
8267         Change all callers.
8268         (Archive::get_file_and_offset): Likewise.
8269         (Archive::read_all_symbols): Likewise.
8270         (Archive::read_symbols): Likewise.
8271         (Archive::get_elf_object_for_member): Remove input_objects
8272         parameter.  Add punconfigured parameter.  Change all callers.
8273         (Archive::add_symbols): Change return type to bool.  Check return
8274         value of include_member.
8275         (Archive::include_all_members): Likewise.
8276         (Archive::include_member): Change return type to bool.  Return
8277         false if first included object has incompatible target.  Set
8278         included_member_ field.
8279         (Add_archive_symbols::run): If add_symbols returns false, requeue
8280         Read_symbols task.
8281         * archive.h (class Archive): Add included_member_ field.
8282         Initialize it in constructor.  Add input_file and searched_for
8283         methods.  Update declarations.
8284         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8285         input_argument_ fields.  Add them to constructor.  Change all
8286         callers.
8287         * script.cc: Include "target-select.h".
8288         (class Parser_closure): Add skip_on_incompatible_target_ and
8289         found_incompatible_target_ fields.  Add
8290         skip_on_incompatible_target parameter to constructor.  Change all
8291         callers.  Add methods skip_on_incompatible_target,
8292         clear_skip_on_incompatible_target, found_incompatible_target, and
8293         set_found_incompatible_target.
8294         (read_input_script): Add dirindex parameter.  Change all callers.
8295         If parser finds an incompatible target, requeue Read_symbols
8296         task.
8297         (script_set_symbol): Clear skip_on_incompatible_target in
8298         closure.
8299         (script_add_assertion, script_parse_option): Likewise.
8300         (script_start_sections, script_add_phdr): Likewise.
8301         (script_check_output_format): New function.
8302         * script.h (read_input_script): Update declaration.
8303         * script-c.h (script_check_output_format): Declare.
8304         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8305         (ignore_cmd): Remove OUTPUT_FORMAT.
8306         * fileread.cc (Input_file::Input_file): Add explicit this.
8307         (Input_file::will_search_for): New function.
8308         (Input_file::open): Add pindex parameter.  Change all callers.
8309         * fileread.h (class Input_file): Add input_file_argument method.
8310         Declare will_search_for.  Update declarations.
8311         * object.cc (make_elf_object): Add punconfigured parameter.
8312         Change all callers.
8313         * object.h (class Object): Make input_file public.  Add
8314         searched_for method.
8315         (make_elf_object): Update declaration.
8316         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8317         restart search.
8318         * dirsearch.h (class Dirsearch): Update declaration.
8319         * options.h (class General_options): Add --warn-search-mismatch.
8320         * parameters.cc (Parameters::is_compatible_target): New function.
8321         * parameters.h (class Parameters): Declare is_compatible_target.
8322         * workqueue.cc (Workqueue::add_blocker): New function.
8323         * workqueue.h (class Workqueue): Declare add_blocker.
8324
8325         * fileread.cc (Input_file::open): Remove options parameter.
8326         Change all callers.
8327         (Input_file::open_binary): Likewise.
8328         * script.cc (read_input_script): Likewise.
8329         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8330         options parameter from constructor.  Change all callers.
8331         (class Read_script): Likewise.
8332         * fileread.h (class Input_file): Update declarations.
8333         * script.h (read_input_script): Update declaration.
8334
8335 2009-03-10  Nick Clifton  <nickc@redhat.com>
8336
8337         * po/es.po: New Spanish translation.
8338
8339 2009-03-06  Cary Coutant  <ccoutant@google.com>
8340
8341         * options.cc (parse_short_option): Keep dash_z from registering itself.
8342
8343 2009-03-03  Ian Lance Taylor  <iant@google.com>
8344
8345         PR 9918
8346         * target-reloc.h (relocate_section): Pass output_section to
8347         relocate.
8348         * i386.cc (Target_i386::should_apply_static_reloc): Add
8349         output_section parameter.  Change all callers.
8350         (Target_i386::Relocate::relocate): Add output_section parameter.
8351         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8352         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8353         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8354         * testsuite/two_file_shared.sh: New script.
8355         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8356         (check_DATA): Add two_file_shared.dbg.
8357         (two_file_shared.dbg): New target.
8358         * testsuite/Makefile.in: Rebuild.
8359
8360 2009-03-01  Ian Lance Taylor  <iant@google.com>
8361
8362         * configure.ac: Check for byteswap.h.
8363         * configure: Rebuild.
8364         * config.in: Rebuild.
8365
8366 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8367
8368         * layout.cc (Layout::find_or_add_kept_section): New function.
8369         (Layout::add_comdat): Removed.
8370         * layout.h (struct Kept_section): Move out of class Layout.
8371         Remove trailing underscores from field names.  Add group_sections
8372         field.  Rename group_ field to is_group.  Change all uses.
8373         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8374         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8375         comdat_groups_ field.
8376         (Sized_relobj::include_section_group): Use
8377         find_or_add_kept_section and Kept_section::group_sections.
8378         (Sized_relobj::include_linkonce_section): Likewise.
8379         * object.cc (class Sized_relobj): Don't define Comdat_group or
8380         Comdat_group_table.  Remove find_comdat_group and
8381         add_comdat_group.  Remove comdat_groups_ field.
8382         * plugin.cc (include_comdat_group): Use
8383         Layout::find_or_add_kept_section.
8384
8385 2009-02-28  Ian Lance Taylor  <iant@google.com>
8386
8387         * README: --gc-sections and map files are now supported.  Document
8388         some build requirements.
8389
8390         PR 6992
8391         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8392         relocatable link set the value of the section symbol to zero.
8393         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8394         relocatable link don't include the section address in the local
8395         symbol value.
8396
8397 2009-02-27  Ian Lance Taylor  <iant@google.com>
8398
8399         PR 6811
8400         * options.h (class Search_directory): Add is_system_directory.
8401         (class General_options): Declare is_in_system_directory.
8402         * options.cc (get_relative_sysroot): Make static.
8403         (get_default_sysroot): Make static.
8404         (General_optoins::is_in_system_directory): New function.
8405         * fileread.cc (Input_file::is_in_system_directory): New function.
8406         * fileread.h (class Input_file): Declare is_in_system_directory.
8407         * object.h (class Object): Add is_in_system_directory.
8408         (class Input_objects): Remove system_library_directory_ field.
8409         * object.cc (Input_objects::add_object): Don't set
8410         system_library_directory_.
8411         (input_objects::found_in_system_library_directory): Remove.
8412         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8413         parameter.  Change all callers.
8414         (Symbol_table::sized_write_globals): Likewise.
8415         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8416         Call Object::is_in_system_directory.
8417         * symtab.h (class Symbol_table): Update declarations.
8418
8419         PR 5990
8420         * descriptors.h (Open_descriptor): Add is_on_stack field.
8421         * descriptors.cc (Descriptors::open): If the descriptor is on the
8422         top of the stack, remove it.  Initialize is_on_stack field.
8423         (Descriptors::release): Only add pod to stack if it is not on the
8424         stack already.
8425         (Descriptors::close_some_descriptor): Clear stack_next and
8426         is_on_stack fields.
8427
8428         PR 7091
8429         * output.cc (Output_section::find_starting_output_address): Rename
8430         from starting_output_address; add PADDR parameter; change return
8431         type.
8432         * output.h (class Output_section): Declare
8433         find_starting_output_address instead of starting_output_address.
8434         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8435         section symbol for which we can't find a merge section.
8436
8437         PR 9836
8438         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8439         hidden or internal, force the symbol to be local.
8440         * resolve.cc (Symbol::override_visibility): Define.
8441         (Symbol::override_base): Use override_visibility.
8442         (Symbol_table::resolve): Likewise.
8443         (Symbol::override_base_with_special): Likewise.
8444         (Symbol_table::override_with_special): If the visibility is hidden
8445         or internal, force the symbol to be local.
8446         * symtab.h (class Symbol): Add set_visibility and
8447         override_visibility.
8448         * testsuite/ver_test_1.sh: New file.
8449         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8450         (check_DATA): Add ver_test_1.syms.
8451         (ver_test_1.syms): New target.
8452         * testsuite/Makefile.in: Rebuild.
8453
8454 2009-02-25  Cary Coutant  <ccoutant@google.com>
8455
8456         * layout.cc (Layout::choose_output_section): Don't rename sections
8457         when using a linker script that has a SECTIONS clause.
8458         * Makefile.in: Regenerate.
8459
8460         * testsuite/Makefile.am (script_test_5.sh): New test case.
8461         * testsuite/Makefile.in: Regenerate.
8462         * testsuite/script_test_5.cc: New file.
8463         * testsuite/script_test_5.sh: New file.
8464         * testsuite/script_test_5.t: New file.
8465
8466 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8467
8468         * archive.cc (Archive::include_member): Update calls to add_symbols.
8469         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8470         the Layout argument.
8471         * dynobj.h (do_add_symbols): Add the Layout argument.
8472         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8473         Layout argument.
8474         * object.h (Object::add_symbols): Add the Layout argument.
8475         (Object::do_add_symbols): Add the Layout argument.
8476         (Sized_relobj::do_add_symbols): Add the Layout argument.
8477         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8478         Unify the two versions.
8479         (Add_plugin_symbols): Remove.
8480         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8481         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8482         (Add_plugin_symbols): Remove.
8483         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8484         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8485         (Add_symbols::run): Make it work with Pulginobj.
8486
8487 2009-02-06  Ian Lance Taylor  <iant@google.com>
8488
8489         * object.cc (Sized_relobj::do_layout): Make info message start
8490         with lower case letter.
8491
8492 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8493
8494         * binary.cc: Fix file comment.
8495
8496         * options.h (enum Incremental_disposition): Define.
8497         (class General_options): Add new options: --incremental,
8498         --incremental_changed, --incremental_unchanged,
8499         --incremental_unknown.  Add incremental_disposition_ and
8500         implicit_incremental_ fields.
8501         (General_options::incremental_disposition): New function.
8502         (class Position_dependent_options): Add incremental_disposition
8503         option.
8504         (Position_dependent_options::copy_from_options): Set incremental
8505         dispositions.
8506         * options.cc (General_options::parse_incremental_changed): New
8507         function.
8508         (General_options::parse_incremental_unchanged): New function.
8509         (General_options::parse_incremental_unknown): New function.
8510         (General_options::General_options): Initialize new fields
8511         incremental_disposition_ and implicit_incremental_.
8512         (General_options::finalize): Check for uasge of --incremental-*
8513         without --incremental.
8514
8515 2009-02-06  Chris Demetriou  <cgd@google.com>
8516
8517         * gold.h (gold_undefined_symbol): Change to take only a Symbol
8518         pointer and to report location as the file name associated with
8519         the symbol.
8520         (gold_undefined_symbol_at_location): New function to replace the
8521         old gold_undefined_symbol functionality.
8522         * target-reloc.h (relocate_section): Update to use
8523         gold_undefined_symbol_at_location.
8524         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8525         Call gold_undefined_symbol function rather than gold_error.
8526         * errors.h (Errors::undefined_symbol): Take location as a
8527         string, rather than calculating it from a relocation.
8528         * errors.cc (Errors::fatal): Print "fatal error:" before the
8529         formatted message.
8530         (Errors::error, Errors::error_at_location): Print "error: "
8531         before the formatted message.
8532         (Errors::undefined_symbol): Take location as a string, rather
8533         than calculating it from a relocation.
8534         (gold_undefined_symbol_at_location): New function akin to
8535         old gold_undefined_symbol, calculates location from relocation.
8536         (gold_undefined_symbol): Change to take only a Symbol pointer
8537         and to report location as the file name associated with the symbol.
8538         * testsuite/debug_msg.sh: Update for changed error messages.
8539         * testsuite/undef_symbol.sh: Likewise.
8540
8541 2009-02-04  Duncan Sands  <baldrick@free.fr>
8542
8543         PR 9812
8544         * reduced_debug_output.h
8545         (Output_reduced_debug_abbrev_section::failed): Use format for
8546         gold_warning.
8547         (Output_reduced_debug_info_section::faild): Likewise.
8548
8549 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
8550
8551         * script.cc (Lazy_demangler): New class.
8552         (Version_script_info::get_symbol_version_helper): Demangle a
8553         symbol only once.
8554
8555 2009-01-29  Cary Coutant  <ccoutant@google.com>
8556
8557         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
8558         to __tls_get_addr.
8559         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8560
8561 2009-01-28  Ian Lance Taylor  <iant@google.com>
8562
8563         * version.cc (version_string): Bump to 1.9.
8564
8565         * gold.h: Include <cstring> and <stdint.h>.
8566         * version.cc: Include <cstdio>.
8567         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
8568         warning.
8569         * reduced_debug_output.cc (insert_into_vector): Rename from
8570         Insert_into_vector; change all callers.  Use Swap_unaligned to
8571         avoid aliasing issue; remove union since it is unnecessary.
8572
8573 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
8574
8575         * Makefile.am (CCFILES): Add gc.cc.
8576         (HFILES): Add gc.h.
8577         * Makefile.in: Regenerate.
8578         * gold.cc (Gc_runner): New class.
8579         (queue_initial_tasks): Call garbage collection related tasks
8580         when corresponding options are invoked.
8581         (queue_middle_gc_tasks): New function.
8582         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
8583         processed early before laying out sections during garbage collection.
8584         * gold.h (queue_middle_gc_tasks): New function.
8585         (is_prefix_of): Move from "layout.cc".
8586         * i386.cc (Target_i386::gc_process_relocs): New function.
8587         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
8588         * main.cc (main): Create object of class "Garbage_collection".
8589         * object.cc (Relobj::copy_symbols_data): New function.
8590         (Relobj::is_section_name_included): New function.
8591         (Sized_relobj::do_layout): Allow this function to be called twice
8592         during garbage collection and defer layout of section during the
8593         first call.
8594         * object.h (Relobj::get_symbols_data): New function.
8595         (Relobj::is_section_name_included): New function.
8596         (Relobj::copy_symbols_data): New function.
8597         (Relobj::set_symbols_data): New function.
8598         (Relobj::get_relocs_data): New function.
8599         (Relobj::set_relocs_data): New function.
8600         (Relobj::is_output_section_offset_invalid): New pure virtual function.
8601         (Relobj::gc_process_relocs): New function.
8602         (Relobj::do_gc_process_relocs): New pure virtual function.
8603         (Relobj::sd_): New data member.
8604         (Sized_relobj::is_output_section_offset_invalid): New function.
8605         (Sized_relobj::do_gc_process_relocs): New function.
8606         * options.h (General_options::gc_sections): Modify to not be a no-op.
8607         (General_options::print_gc_sections): New option.
8608         * plugin.cc (Plugin_finish::run): Remove function call to
8609         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
8610         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
8611         * reloc.cc (Read_relocs::run): Add task to process relocs and
8612         determine unreferenced sections when doing garbage collection.
8613         (Gc_process_relocs): New class.
8614         (Sized_relobj::do_gc_process_relocs): New function.
8615         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
8616         sections that are garbage collected.
8617         * reloc.h (Gc_process_relocs): New class.
8618         * sparc.cc (Target_sparc::gc_process_relocs): New function.
8619         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
8620         symbols whose corresponding sections are garbage collected.
8621         (Symbol_table::Symbol_table): Add new parameter for the garbage
8622         collection object.
8623         (Symbol_table::gc_mark_undef_symbols): New function.
8624         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8625         (Symbol_table::gc_mark_dyn_syms): New function.
8626         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
8627         as garbage.
8628         (Symbol_table::add_from_object): Likewise.
8629         (Symbol_table::add_from_relobj): When building shared objects, do not
8630         treat externally visible symbols as garbage.
8631         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
8632         table information for static and relocatable links.
8633         * symtab.h (Symbol_table::set_gc): New function.
8634         (Symbol_table::gc): New function.
8635         (Symbol_table::gc_mark_undef_symbols): New function.
8636         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8637         (Symbol_table::gc_mark_dyn_syms): New function.
8638         (Symbol_table::gc_): New data member.
8639         * target.h (Sized_target::gc_process_relocs): New pure virtual
8640         function.
8641         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
8642         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
8643
8644 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
8645
8646         * options.h (General_options::gc_sections): Define as a no-op for now.
8647         (General_options::no_keep_memory): Ditto.
8648         (General_options::Bshareable): Define.
8649         * options.cc (General_options::finalize): Honor -Bshareable.
8650
8651 2009-01-20  Andreas Schwab  <schwab@suse.de>
8652
8653         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
8654         read the value in the contents, since we don't use it.  Use the
8655         template endianness when writing.
8656         (Relocate::relocate): Use it for R_PPC_REL16_HA.
8657
8658 2009-01-19  Andreas Schwab  <schwab@suse.de>
8659
8660         * configure.tgt (powerpc64-*): Fix targ_obj.
8661
8662 2009-01-15  Ian Lance Taylor  <iant@google.com>
8663
8664         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8665         local symbols when stripping all symbols.
8666
8667 2009-01-14  Cary Coutant  <ccoutant@google.com>
8668
8669         * output.cc (Output_reloc): Add explicit instantiations.
8670
8671 2009-01-14  Cary Coutant  <ccoutant@google.com>
8672
8673         * archive.cc (Archive::get_elf_object_for_member): Remove call
8674         to File_read::claim_for_plugin.
8675         * descriptors.cc (Descriptors::open): Remove reference to
8676         is_claimed.
8677         (Descriptors::claim_for_plugin): Remove.
8678         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8679         (Descriptors::is_claimed): Remove.
8680         (claim_descriptor_for_plugin): Remove.
8681         * fileread.cc (File_read::claim_for_plugin): Remove.
8682         * fileread.h (File_read::claim_for_plugin): Remove.
8683         (File_read::descriptor): Reopen descriptor if necessary.
8684         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8685         (Plugin_manager::all_symbols_read): Add task parameter. Change
8686         all callers.
8687         (Plugin_manager::get_input_file): New function.
8688         (Plugin_manager::release_input_file): New function.
8689         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8690         corresponding data member.
8691         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8692         and pass to base constructor. Change all callers.
8693         (get_input_file, release_input_file): New functions.
8694         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8695         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8696         (Plugin_manager::all_symbols_read): Add task parameter.
8697         (Plugin_manager::get_input_file): New function.
8698         (Plugin_manager::release_input_file): New function.
8699         (Plugin_manager::task_): New data member.
8700         (Pluginobj::Pluginobj): Add filesize parameter.
8701         (Pluginobj::filename): New function.
8702         (Pluginobj::descriptor): New function.
8703         (Pluginobj::filesize): New function.
8704         (Pluginobj::filesize_): New data member.
8705         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8706         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8707         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8708
8709         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8710         with archive libraries.
8711         * testsuite/Makefile.in: Regenerate.
8712         * testsuite/plugin_test.c (struct sym_info): New type.
8713         (get_input_file, release_input_file): New static variables.
8714         (onload): Capture new transfer vector entries.
8715         (claim_file_hook): Stop reading at end of file according to filesize.
8716         Factor out parsing of readelf output into separate function.
8717         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8718         APIs and get the source file name from the symbol table.  Convert
8719         source file name to corresponding object file name.  Print info
8720         message when adding new input files.
8721         (parse_readelf_line): New function.
8722         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8723         * testsuite/plugin_test_2.sh: Likewise.
8724         * testsuite/plugin_test_3.sh: Likewise.
8725         * testsuite/plugin_test_4.sh: New test case.
8726
8727 2009-01-07  Ian Lance Taylor  <iant@google.com>
8728
8729         * version.cc (version_string): Bump to 1.8.
8730
8731 2008-12-23  Cary Coutant  <ccoutant@google.com>
8732
8733         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8734         * plugin.cc (Plugin_manager::finish): Rename as
8735         layout_deferred_objects.  Move cleanup to separate function.
8736         (Plugin_manager::cleanup): New function.
8737         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8738         separately.
8739         * plugin.h (Plugin_manager::finish): Rename as
8740         layout_deferred_objects.
8741         (Plugin_manager::cleanup): New function.
8742         (Plugin_manager::cleanup_done): New field.
8743
8744 2008-12-23  Cary Coutant  <ccoutant@google.com>
8745
8746         * plugin.cc (is_visible_from_outside): New function.
8747         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8748         so we don't return "IR only" status for exported symbols or -r links.
8749
8750         * testsuite/Makefile.am (plugin_test_3): New test case.
8751         * testsuite/Makefile.in: Regenerate.
8752         * testsuite/plugin_test_3.sh: New file.
8753
8754 2008-12-22  Cary Coutant  <ccoutant@google.com>
8755
8756         * object.cc (Sized_relobj::layout_section): New function.
8757         (Sized_relobj::do_layout): Defer layout of input sections until after
8758         plugin has provided replacement files.
8759         (Sized_relobj::do_layout_deferred_sections): New function.
8760         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8761         (Relobj::layout_deferred_sections): New function.
8762         (Relobj::do_layout_deferred_sections): New function.
8763         (Sized_relobj::do_layout_deferred_sections): New function.
8764         (Sized_relobj::layout_section): New function.
8765         (Sized_relobj::Deferred_layout): New structure.
8766         (Sized_relobj::deferred_layout_): New field.
8767         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8768         Change all callers.  Layout deferred sections.
8769         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8770         references.
8771         (Plugin_hook::run): Move code from do_plugin_hook inline.
8772         (Plugin_hook::do_plugin_hook): Remove.
8773         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8774         (Plugin_manager::finish): Renamed, was cleanup.
8775         (Plugin_manager::should_defer_layout): New function.
8776         (Plugin_manager::add_deferred_layout_object): New function.
8777         (Plugin_manager::Deferred_layout_list): New type.
8778         (Plugin_manager::deferred_layout_objects_): New field.
8779         (Plugin_hook::do_plugin_hook): Remove.
8780
8781 2008-12-17  Ian Lance Taylor  <iant@google.com>
8782
8783         * options.h (class General_options): Add --no case for
8784         --export-dynamic.
8785
8786 2008-12-16  Cary Coutant  <ccoutant@google.com>
8787
8788         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8789         vector.
8790         (Plugin_manager::claim_file): Create plugin object even if
8791         plugin did not call the add_symbols callback.
8792         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8793         asking for more symbols than were added.
8794         * testsuite/Makefile.am (plugin_test_1): Add test case with
8795         no global symbols.
8796         (empty.syms): New target.
8797         * testsuite/Makefile.in: Regenerate.
8798         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8799         message. Don't call add_symbols if no globals.
8800         (all_symbols_read_hook): Don't provide replacement for empty
8801         claimed file.
8802
8803 2008-12-12  Ian Lance Taylor  <iant@google.com>
8804
8805         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8806         r_type == 0 for a local symbol with r_sym == 0.
8807         (scan_relocatable_relocs): Pass r_sym to
8808         local_non_section_strategy.
8809         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8810         r_sym parameter.
8811
8812         * configure.ac: Update test for TLS descriptors: they are
8813         supported as of glibc 2.9.
8814         * configure: Rebuild.
8815
8816 2008-12-11  Ian Lance Taylor  <iant@google.com>
8817
8818         PR 7091
8819         * target-reloc.h (Default_scan_relocatable_relocs): For each
8820         function, map r_type == 0 to RELOC_DISCARD.
8821
8822 2008-12-10  Cary Coutant  <ccoutant@google.com>
8823
8824         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8825         object to override a kept COMDAT group from a plugin object.
8826
8827 2008-12-09  Ian Lance Taylor  <iant@google.com>
8828
8829         PR 7088
8830         * yyscript.y (file_cmd): Handle INPUT.
8831
8832         * testsuite/initpri1.c: Change all declarations to be full
8833         prototypes by adding void, to avoid compiler warnings.
8834
8835 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8836
8837         * options.cc (General_options::parse_plugin_opt): New.
8838         (General_options::add_plugin): The argument now is just the filename.
8839         (General_options::add_plugin_option): New.
8840         * options.h (plugin_opt): New.
8841         (add_plugin): Change argument name.
8842         (add_plugin_option): New.
8843         * plugin.cc (Plugin::load): Don't parse the plugin option.
8844         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8845         (Plugin::add_option): New.
8846         (Plugin::args_): Change type.
8847         (Plugin::filename_): New.
8848         (Plugin_manager::add_plugin_option): New.
8849         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8850         * testsuite/Makefile.in: Regenerate.
8851
8852 2008-12-05  Cary Coutant  <ccoutant@google.com>
8853
8854         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8855         Handle --strip-lto-sections option.
8856         * options.h (strip_lto_sections): New option.
8857
8858 2008-12-01  Cary Coutant  <ccoutant@google.com>
8859
8860         * plugin.cc (ld_plugin_message): Change format parameter to const.
8861         Fix mismatch between new[] and delete.
8862
8863 2008-11-14  Cary Coutant  <ccoutant@google.com>
8864
8865         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8866         instead of -1U.
8867
8868 2008-11-05  Craig Silverstein  <csilvers@google.com>
8869
8870         * options.cc (General_options::parse_dynamic_list): New function.
8871         * options.h (General_options): New flags dynamic_list,
8872         dynamic_list_data, dynamic_list_cpp_new, and
8873         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8874         (General_options::in_dynamic_list): New function.
8875         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8876         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8877         (Lex::can_continue_name): Likewise.
8878         (yylex): Likewise.
8879         (read_script_file): New parameter script_options.
8880         (read_dynamic_list): New function.
8881         (Script_options::define_dynamic_list): New function.
8882         (dynamic_list_keyword_parsecodes): New variable.
8883         (dynamic_list_keywords): New variable.
8884         * script.h (Script_options::define_dynamic_list): New function
8885         prototype.
8886         (read_dynamic_list): New function prototype.
8887         * symtab.cc (strprefix): New macro.
8888         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8889         dynamic_list_data, dynamic_list_cpp_new, and
8890         dynamic_list_cpp_typeinfo.
8891         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8892         (dynamic_list_expr): New rule.
8893         (dynamic_list_nodes): Likewise.
8894         (dynamic_list_node): Likewise.
8895         * testsuite/Makefile.am (dynamic_list): New test.
8896         * testsuite/Makefile.in: Regenerated.
8897         * testsuite/dynamic_list.t: New file.
8898         * testsuite/dynamic_list.sh: New file.
8899
8900 2008-11-05  Craig Silverstein  <csilvers@google.com>
8901
8902         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8903         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8904         (t11_last): Likewise.
8905         * testsuite/ver_test_6.c (main): Likewise.
8906
8907 2008-10-07  Cary Coutant  <ccoutant@google.com>
8908
8909         * options.c (General_options::finalize): Add check for -static and
8910         -shared.
8911         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8912         is not empty.
8913
8914 2008-10-02  Cary Coutant  <ccoutant@google.com>
8915
8916         * plugin.cc (make_sized_plugin_object): Fix conditional
8917         compilation to work when not all targets are enabled.
8918
8919 2008-09-29  Cary Coutant  <ccoutant@google.com>
8920
8921         * archive.cc (Archive::get_file_and_offset): Use filename instead
8922         of name to get library path.
8923         (Archive::include_member): Unlock external member of a thin archive.
8924
8925         * testsuite/Makefile.am (TEST_AR): New variable.
8926         (thin_archive_test_1): New test.
8927         (thin_archive_test_2): New test.
8928         * testsuite/Makefile.in: Regenerate.
8929         * testsuite/thin_archive_main.cc: New file.
8930         * testsuite/thin_archive_test_1.cc: New file.
8931         * testsuite/thin_archive_test_2.cc: New file.
8932         * testsuite/thin_archive_test_3.cc: New file.
8933         * testsuite/thin_archive_test_4.cc: New file.
8934
8935 2008-09-29  Cary Coutant  <ccoutant@google.com>
8936
8937         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8938         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8939         instead of -1U.
8940         (Sized_relobj::do_finalize_local_symbols): Likewise.
8941         (Sized_relobj::map_to_kept_section): Likewise.
8942         * object.h (Sized_relobj::invalid_address): New constant.
8943         (Sized_relobj::do_output_section_offset): Check for invalid_address
8944         and return -1ULL.
8945         * output.cc (Output_reloc::local_section_offset): Use constant
8946         invalid_address instead of -1U.
8947         (Output_reloc::get_address): Likewise.
8948         (Output_section::output_address): Change -1U to -1ULL.
8949         * output.h (Output_reloc::invalid_address): New constant.
8950         * reloc.cc (Sized_relobj::write_sections): Use constant
8951         invalid_address instead of -1U.
8952         (Sized_relobj::relocate_sections): Likewise.
8953         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8954         values for merge sections.
8955         * target-reloc.h (relocate_for_relocatable): Use constant
8956         invalid_address instead of -1U.
8957
8958 2008-09-19  Cary Coutant  <ccoutant@google.com>
8959
8960         Add plugin functionality for link-time optimization (LTO).
8961         * configure.ac (plugins): Add --enable-plugins option.
8962         * configure: Regenerate.
8963         * config.in: Regenerate.
8964         * Makefile.am (LIBDL): New variable.
8965         (CCFILES): Add plugin.cc.
8966         (HFILES): Add plugin.h.
8967         (ldadd_var): Add LIBDL.
8968         * Makefile.in: Regenerate.
8969
8970         * archive.cc: Include "plugin.h".
8971         (Archive::setup): Don't preread archive symbols when using a plugin.
8972         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
8973         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
8974         files.
8975         (Archive::include_member): Add symbols from plugin objects.
8976         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
8977         * descriptors.cc (Descriptors::open): Check for file descriptors
8978         abandoned by plugins.
8979         (Descriptors::claim_for_plugin): New function.
8980         * descriptors.h (Descriptors::claim_for_plugin): New function.
8981         (Open_descriptor::is_claimed): New field.
8982         (claim_descriptor_for_plugin): New function.
8983         * fileread.cc (File_read::claim_for_plugin): New function.
8984         * fileread.h (File_read::claim_for_plugin): New function.
8985         (File_read::descriptor): New function.
8986         * gold.cc: Include "plugin.h".
8987         (queue_initial_tasks): Add task to call plugin hooks for generating
8988         new object files.
8989         * main.cc: Include "plugin.h".
8990         (main): Load plugin libraries.
8991         * object.h (Pluginobj): Declare.
8992         (Object::pluginobj): New function.
8993         (Object::do_pluginobj): New function.
8994         (Object::set_target): New function.
8995         * options.cc: Include "plugin.h".
8996         (General_options::parse_plugin): New function.
8997         (General_options::General_options): Initialize plugins_ field.
8998         (General_options::add_plugin): New function.
8999         * options.h (Plugin_manager): Declare.
9000         (General_options): Add --plugin option.
9001         (General_options::has_plugins): New function.
9002         (General_options::plugins): New function.
9003         (General_options::add_plugin): New function.
9004         (General_options::plugins_): New field.
9005         * plugin.cc: New file.
9006         * plugin.h: New file.
9007         * readsyms.cc: Include "plugin.h".
9008         (Read_symbols::do_read_symbols): Check for archive before checking
9009         for ELF file.  Call plugin hooks to claim files.
9010         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9011         from a real object file; force override when processing replacement
9012         files.
9013         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9014         (Symbol::init_base_object): Likewise.
9015         (Symbol::init_base_output_data): Likewise.
9016         (Symbol::init_base_output_segment): Likewise.
9017         (Symbol::init_base_constant): Likewise.
9018         (Symbol::init_base_undefined): Likewise.
9019         (Symbol::output_section): Assert that object is not a plugin.
9020         (Symbol_table::add_from_pluginobj): New function.
9021         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9022         undefined.
9023         (Symbol_table::sized_write_globals): Likewise.
9024         (Symbol_table::add_from_pluginobj): Instantiate template.
9025         * symtab.h (Sized_pluginobj): Declare.
9026         (Symbol::in_real_elf): New function.
9027         (Symbol::set_in_real_elf): New function.
9028         (Symbol::in_real_elf_): New field.
9029         (Symbol_table::add_from_pluginobj): New function.
9030
9031         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9032         (LIBDL): New variable.
9033         (LDADD): Add LIBDL.
9034         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9035         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9036         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9037         (MOSTLYCLEANFILES): Likewise.
9038         * testsuite/Makefile.in: Regenerate.
9039         * testsuite/plugin_test.c: New file.
9040         * testsuite/plugin_test_1.sh: New file.
9041         * testsuite/plugin_test_2.sh: New file.
9042
9043 2008-09-16  Ian Lance Taylor  <iant@google.com>
9044
9045         * target-reloc.h (relocate_section): Check whether a symbol is
9046         defined by the ABI before reporting an undefined symbol error.
9047         * target.h (Target::is_defined_by_abi): Make parameter const.
9048         (Target::do_is_defined_by_abi): Likewise.
9049         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9050         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9051         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9052         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9053         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9054         * testsuite/Makefile.in: Rebuild.
9055
9056         * fileread.cc (make_view): Add casts to avoid warning.
9057
9058 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9059
9060         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9061         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9062
9063 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9064
9065         * options.h (General_options::output_is_executable): New.
9066         (General_options::output_is_pie): New.
9067         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9068         for shared libraries.
9069         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9070
9071 2008-09-11  Chris Demetriou  <cgd@google.com>
9072
9073         * options.h (origin): New -z option.
9074         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9075         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9076         in DT_FLAGS_1.
9077
9078 2008-09-05  Cary Coutant  <ccoutant@google.com>
9079
9080         * fileread.cc (File_read::make_view): Add check for attempt to map
9081         beyond end of file.
9082
9083 2008-09-05  Cary Coutant  <ccoutant@google.com>
9084
9085         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9086         explicit instantiations.
9087
9088 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9089
9090         PR gold/6858
9091         * options.cc (General_options::finalize): Allow undefined symbols
9092         in shlibs if linking -shared.
9093
9094         PR gold/6859
9095         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9096         symbols as not needing a dynsym entry.
9097
9098 2008-08-20  Craig Silverstein  <csilvers@google.com>
9099
9100         * fileread.cc (File_read::open): Do not lock the file unless it
9101         was successfully opened.
9102
9103 2008-08-14  Cary Coutant  <ccoutant@google.com>
9104
9105         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9106         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9107         * testsuite/tls_test.cc (struct int128): 128-bit struct
9108         for testing TLS relocs with non-zero addend.
9109         (v12): New TLS variable.
9110         (t12): New test.
9111         (t_last): Add check for v12.
9112         * testsuite/tls_test.h (t12): New function.
9113         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9114
9115 2008-08-13  Ian Lance Taylor  <iant@google.com>
9116
9117         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9118         set tls_segment_ or relro_segment_.
9119         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9120         when appropriate.
9121         * output.h (Output_section::clear_is_relro): New function.
9122         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9123         sections specially even when output_data_ is empty.
9124         (Output_segment::maximum_alignment): When first section is relro,
9125         only force alignment for PT_LOAD segments.
9126         * script.cc (script_data_segment_align): New function.
9127         (script_data_segment_relro_end): New function.
9128         * script-c.h (script_data_segment_align): Declare.
9129         (script_data_segment_relro_end): Declare.
9130         * script-sections.h (class Script_sections): Declare
9131         data_segment_align and data_segment_relro_end.  Add fields
9132         segment_align_index_ and saw_relro_end_.
9133         * script-sections.cc (class Sections_element): Add set_is_relro
9134         virtual function.  Add new bool* parameter to place_orphan_here.
9135         Add get_output_section virtual function.
9136         (class Output_section_definition): Add set_is_relro.  Add new
9137         bool* parameter to place_orphan_here.  Add get_output_section.
9138         Add is_relro_ field.
9139         (Output_section_definition::Output_section_definition): Initialize
9140         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9141         and is_relro_ fields.
9142         (Output_section_definition::place_orphan_here): Add is_relro
9143         parameter.
9144         (Output_section_definition::set_section_addresses): Set relro for
9145         output section.
9146         (Output_section_definition::alternate_constraint): Likewise.
9147         (class Orphan_output_section): Add new bool* parameter to
9148         place_orphan_here.  Add get_output_section.
9149         (Orphan_output_section::place_orphan_here): Add is_relro
9150         parameter.
9151         (Script_sections::Script_sections): Initialize
9152         data_segment_align_index_ and saw_relro_end_.
9153         (Script_sections::data_segment_align): New function.
9154         (Script_sections::data_segment_relro_end): New function.
9155         (Script_sections::place_orphan): Set or clear is_relro.
9156         (Script_sections::set_section_addresses): Force alignment of first
9157         TLS section.
9158         * yyscript.y (exp): Call script_data_segment_align and
9159         script_data_segment_relro_end.
9160         * testsuite/relro_script_test.t: New file.
9161         * testsuite/relro_test.cc (using_script): Declare.
9162         (t1, t2): Test using_script.
9163         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9164         (relro_script_test_SOURCES): Define.
9165         (relro_script_test_DEPENDENCIES): Define.
9166         (relro_script_test_LDFLAGS): Define.
9167         (relro_script_test_LDADD): Define.
9168         (relro_script_test.so): New target.
9169         * testsuite/Makefile.in: Rebuild.
9170
9171 2008-08-06  Cary Coutant <ccoutant@google.com>
9172
9173         * archive.cc (Archive::total_archives, Archive::total_members)
9174         (Archive::total_members_loaded): New variables.
9175         (Archive::setup): Add parameter.  Add option to preread
9176         archive symbols.
9177         (Archive::read_armap): Add counter.
9178         (Archive::get_file_and_offset): New function.
9179         (Archive::get_elf_object_for_member): New function.
9180         (Archive::read_all_symbols): New function.
9181         (Archive::read_symbols): New function.
9182         (Archive::add_symbols): Add counters.
9183         (Archive::include_all_members): Use armap to find members if it's
9184         already built.
9185         (Archive::include_member): Skip reading symbols if already read.
9186         Factored code into Archive::get_file_and_offset and
9187         Archive::get_elf_object_for_member.  Changed call to
9188         Mapfile::report_include_archive_member.
9189         (Archive::print_stats): New function.
9190         * archive.h: Declare Object and Read_symbols_data classes.
9191         (Archive::Archive): Add initializers for new members.
9192         (Archive::setup): Add parameter.
9193         (Archive::print_stats): New function.
9194         (Archive::total_archives, Archive::total_members)
9195         (Archive::total_members_loaded): New variables.
9196         (Archive::get_file_and_offset): New function.
9197         (Archive::get_elf_object_for_member): New function.
9198         (Archive::read_all_symbols): New function.
9199         (Archive::read_symbols): New function.
9200         (Archive::Archive_member): New class.
9201         (Archive::members_): New member.
9202         (Archive::num_members_): New member.
9203         * main.cc: Include archive.h.
9204         (main): Call Archive::print_stats.
9205         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9206         archive parameter; member_name is now the fully-decorated name.
9207         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9208         * options.h: (General_options): Add --preread-archive-symbols option.
9209         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9210         Archive::setup.
9211
9212 2008-08-04  Ian Lance Taylor  <iant@google.com>
9213
9214         * symtab.h (Symbol::use_plt_offset): New function.
9215         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9216         * powerpc.cc (Relocate::relocate): Likewise.
9217         * sparc.cc (Relocate::relocate): Likewise.
9218         * x86_64.cc (Relocate::relocate): Likewise.
9219         * testsuite/weak_plt.sh: New test.
9220         * testsuite/weak_plt_main.cc: New test.
9221         * testsuite/weak_plt_shared.cc: New test.
9222         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9223         (check_PROGRAMS): Add weak_plt.
9224         (check_DATA): Add weak_plt_shared.so.
9225         (weak_plt_main_pic.o, weak_plt): New targets.
9226         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9227         * testsuite/Makefile.in: Rebuild.
9228
9229         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9230         gcctestdir/ld.
9231         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9232         * testsuite/Makefile.in: Rebuild.
9233
9234 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9235
9236         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9237         * Makefile.in: Regenerate.
9238         * po/POTFILES.in: Regenerate.
9239
9240 2008-07-29  Ian Lance Taylor  <iant@google.com>
9241
9242         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9243         symbols before other symbols.
9244         * testsuite/script_test_2.cc (test_addr): Declare.
9245         (test_addr_alias): Declare.
9246         (main): Check that test_addr and test_addr_alias have the right
9247         values.
9248         * testsuite/script_test_2.t: Define test_addr_alias and
9249         test_addr.
9250
9251 2008-07-24  Ian Lance Taylor  <iant@google.com>
9252
9253         PR 5990
9254         * descriptors.cc: New file.
9255         * descriptors.h: New file.
9256         * gold-threads.h (class Hold_optional_lock): New class.
9257         * fileread.cc: Include "descriptors.h".
9258         (File_read::~File_read): Release descriptor rather than closing
9259         it.
9260         (File_read::open) [file]: Call open_descriptor rather than open.
9261         Set is_descriptor_opened_.
9262         (File_read::open) [memory]: Assert that descriptor is not open.
9263         (File_read::reopen_descriptor): New function.
9264         (File_read::release): Release descriptor.
9265         (File_read::do_read): Make non-const.  Reopen descriptor.
9266         (File_read::read): Make non-const.
9267         (File_read::make_view): Reopen descriptor.
9268         (File_read::do_readv): Likewise.
9269         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9270         Update declarations.
9271         * layout.cc: Include "descriptors.h".
9272         (Layout::create_build_id): Use open_descriptor rather than open.
9273         * output.cc: Include "descriptors.h".
9274         (Output_file::open): Use open_descriptor rather than open.
9275         * archive.cc (Archive::const_iterator): Change Archive to be
9276         non-const.
9277         (Archive::begin, Archive::end): Make non-const.
9278         (Archive::count_members): Likewise.
9279         * archive.h (class Archive): Update declarations.
9280         * object.h (Object::read): Make non-const.
9281         * Makefile.am (CCFILES): Add descriptors.cc.
9282         (HFILES): Add descriptors.h.
9283         * Makefile.in: Rebuild.
9284
9285         PR 6716
9286         * gold.h: Always include <clocale>.  Add Solaris workarounds
9287         following code in binutils/sysdep.h.
9288
9289         PR 6048
9290         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9291         this->eh_frame_hdr_ is NULL before using it.
9292
9293         * dynobj.cc (Versions::Versions): Update comment.
9294
9295         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9296         the base version name.
9297
9298         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9299         array size plus one.
9300         (Stringpool_template::set_string_offsets): Subtract one from key
9301         before using it as an array index.
9302         (Stringpool_template::get_offset_with_length): Likewise.
9303         (Stringpool_template::write_to_buffer): Likewise.
9304         * stringpool.h (Stringpool_template::get_offset_from_key):
9305         Likewise.
9306
9307 2008-07-23  Ian Lance Taylor  <iant@google.com>
9308
9309         PR 6658
9310         * object.h (Merged_symbol_value::value): Do our best to handle a
9311         negative addend.
9312
9313         PR 6647
9314         * script.cc (Version_script_info::get_versions): Don't add empty
9315         version tag to return value.
9316         (Version_script_info::get_symbol_version_helper): Change return
9317         type to bool.  Add pversion parameter.  Change all callers.
9318         (script_register_vers_node): Don't require a non-NULL tag.
9319         * script.h (class Version_script_info): Update declarations.
9320         (Version_script_info::get_symbol_version): Change return type to
9321         bool.  Add version parameter.  Change all callers.
9322         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9323         handling.  Handle an empty version from a version script.
9324         (Symbol_table::define_special_symbol): Likewise.
9325         * testsuite/ver_test_10.script: New file.
9326         * testsuite/ver_test_10.sh: New file.
9327         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9328         (check_DATA): Add ver_test_10.syms.
9329         (ver_test_10.syms, ver_test_10.so): New target.
9330         * testsuite/Makefile.in: Rebuild.
9331
9332 2008-07-23  Simon Baldwin  <simonb@google.com>
9333
9334         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9335         to zero for undefined symbols from dynamic libraries.
9336
9337 2008-07-23  Ian Lance Taylor  <iant@google.com>
9338
9339         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9340         Change all callers.
9341         * symtab.h (class Symbol_table): Update declaration.
9342         * testsuite/ver_test_9.cc: New file.
9343         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9344         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9345         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9346         (ver_test_9.so, ver_test_9.o): New targets.
9347         * testsuite/Makefile.in: Rebuild.
9348
9349 2008-07-22  Ian Lance Taylor  <iant@google.com>
9350
9351         * options.h (class General_options): Define --check-sections.
9352         * layout.cc (Layout::set_segment_offsets): Handle
9353         --check-sections.
9354
9355         * options.h (class General_options): Define -n/--nmagic and
9356         -N/--omagic.
9357         * options.cc (General_options::finalize): For -n/--nmagic or
9358         -N/--omagic, set -static.
9359         * layout.cc (Layout::attach_allocated_section_to_segment): If
9360         -N/--omagic, don't put read-only and read-write sections in
9361         different segments.
9362         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9363         finding a read-only segment.
9364         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9365         don't set the minimum segment alignment to the common page size,
9366         and don't set the file offset to the address modulo the page size.
9367         * script-sections.cc (Script_sections::create_segments): If
9368         -n/--omagic, don't put read-only and read-write sections in
9369         different segments.
9370
9371         * cref.cc: New file.
9372         * cref.h: New file.
9373         * options.h (class General_options): Add --print-symbol-counts.
9374         * main.cc (main): Issue defined symbol report if requested.
9375         * archive.cc (Archive::interpret_header): Make into a const member
9376         function.
9377         (Archive::add_symbols): Call Input_objects::archive_start and
9378         archive_stop.
9379         (Archive::const_iterator): Define new class.
9380         (Archive::begin, Archive::end): New functions.
9381         (Archive::include_all_members): Rewrite to use iterator.
9382         (Archive::count_members): New function.
9383         * archive.h (class Archive): Update declarations.
9384         (Archive::filename): New function.
9385         * object.cc: Include "cref.h".
9386         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9387         (Sized_relobj::do_get_global_symbol_counts): New function.
9388         (Input_objects::add_object): Add object to cross-referencer.
9389         (Input_objects::archive_start): New function.
9390         (Input_objects::archive_stop): New function.
9391         (Input_objects::print_symbol_counts): New function.
9392         * object.h: Declare Cref and Archive.
9393         (Object::get_global_symbol_counts): New function.
9394         (Object::do_get_global_symbol_counts): New pure virtual function.
9395         (class Sized_relobj): Add defined_count_ field.  Update
9396         declarations.
9397         (class Input_objects): Add cref_ field.  Update constructor.
9398         Update declarations.
9399         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9400         defined_count_.
9401         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9402         symbol counts.
9403         (Sized_dynobj::do_get_global_symbol_counts): New function.
9404         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9405         defined_count_.  Update declarations.  Define Symbols typedef.
9406         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9407         parameter.  Change all callers.
9408         (Symbol_table::add_from_dynobj): Add sympointers and defined
9409         parameters.  Change all callers.
9410         * symtab.h (class Symbol_table): Update declarations.
9411         * Makefile.am (CCFILES): Add cref.cc.
9412         (HFILES): Add cref.h.
9413         * Makefile.in: Rebuild.
9414
9415 2008-07-22  Simon Baldwin  <simonb@google.com>
9416
9417         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9418         to zero when writing undefined symbols.
9419
9420 2008-07-22  Ian Lance Taylor  <iant@google.com>
9421
9422         * output.cc (Output_section::add_input_section): Don't try to
9423         merge empty merge sections.
9424
9425 2008-07-21  Craig Silverstein  <csilvers@google.com>
9426
9427         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9428         Include symbol version in error message.
9429
9430 2008-07-20  Chris Demetriou  <cgd@google.com>
9431
9432         * configure.ac (gold_cv_c_random_seed): New configured variable.
9433         (RANDOM_SEED_CFLAGS): New substituted variable.
9434         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9435         * configure: Rebuild.
9436         * Makefile.in: Likewise.
9437         * testsuite/Makefile.in: Likewise.
9438
9439 2008-07-18  Ian Lance Taylor  <iant@google.com>
9440
9441         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9442         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9443         * testsuite/ver_test_main.cc (main): Call t4.
9444         (t4, t4_2a): Define.
9445         * testsuite/ver_test_2.cc (t4_2): Define.
9446         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9447         * testsuite/ver_test_4.cc (t4_2a): Define.
9448         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9449         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9450
9451 2008-07-17  Ian Lance Taylor  <iant@google.com>
9452
9453         * dynobj.cc (Versions::add_def): If we give an error about a
9454         missing version, go ahead and create the version anyhow.
9455
9456 2008-07-10  Ian Lance Taylor  <iant@google.com>
9457
9458         Handle output sections with more than 0x7fffffff bytes.
9459         * object.h (class Relobj): Change map_to_output_ to
9460         output_sections_, and just keep a section pointer.  Change all
9461         uses.  Move comdat group support to Sized_relobj.
9462         (Relobj::is_section_specially_mapped): Remove.
9463         (Relobj::output_section): Remove poff parameter.  Change all
9464         callers.
9465         (Relobj::output_section_offset): New function.
9466         (Relobj::set_section_offset): Rewrite.
9467         (Relobj::map_to_output): Remove.
9468         (Relobj::output_sections): New function.
9469         (Relobj::do_output_section_offset): New pure virtual function.
9470         (Relobj::do_set_section_offset): Likewise.
9471         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9472         group support from Relobj.  Update declarations.
9473         (Sized_relobj::get_output_section_offset): New function.
9474         (Sized_relobj::do_output_section_offset): New function.
9475         (Sized_relobj::do_set_section_offset): New function.
9476         * object.cc (Relobj::output_section_address): Remove.
9477         (Sized_relobj::Sized_relobj): Initialize new fields.
9478         (Sized_relobj::include_section_group): Cast find_kept_object to
9479         Sized_relobj.
9480         (Sized_relobj::include_linkonce_section): Likewise.
9481         (Sized_relobj::do_layout): Use separate arrays for output section
9482         and output offset.
9483         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9484         output_sections.
9485         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9486         output_sections and section_offsets.
9487         (Sized_relobj::write_local_symbols): Likewise.
9488         (map_to_kept_section): Compute output address directly.
9489         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9490         output_sections and section_offsets.
9491         (Sized_relobj::write_sections): Likewise.
9492         (Sized_relobj::relocate_sections): Likewise.
9493         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9494         * output.h (class Output_reloc): Update declarations.  Change
9495         u2_.relobj to Sized_relobj*.
9496         (class Output_data_reloc): Change add functions to use
9497         Sized_relobj*.
9498         * output.cc (Output_reloc::Output_reloc): Change relobj to
9499         Sized_relobj*.
9500         (Output_reloc::local_section_offset): Change return type to
9501         Elf_Addr.  Use get_output_section_offset.
9502         (Output_reloc::get_address): Likewise.
9503         (Output_section::is_input_address_mapped): Don't call
9504         is_section_specially_mapped.
9505         (Output_section::output_offset): Likewise.
9506         (Output_section::output_address): Likewise.
9507         (Output_section::starting_output_address): Likewise.
9508         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
9509         parameter to Sized_relobj*.
9510         (Copy_relocs::need_copy_reloc): Likewise.
9511         (Copy_relocs::save): Likewise.
9512         * copy-relocs.h (class Copy_relocs): Update declarations.
9513         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
9514         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
9515         * target-reloc.h (relocate_for_relocatable): Change
9516         offset_in_output_section type to Elf_Addr.  Change code that uses
9517         it as well.
9518         * layout.cc (Layout::layout): Always set *off.
9519         * mapfile.cc (Mapfile::print_input_section): Use
9520         output_section_offset.
9521         * i386.cc (Target_i386::copy_reloc): Change object parameter to
9522         Sized_relobj*.
9523         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
9524         * sparc.cc (Target_sparc::copy_reloc): Likewise.
9525         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
9526
9527 2008-07-03  Ian Lance Taylor  <iant@google.com>
9528
9529         * layout.cc (Layout::include_section): Do not discard unrecognized
9530         SHT_STRTAB sections.
9531
9532 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
9533
9534         * script.cc (Lex::can_continue_name): Make '?' allowable in
9535         version-script names.
9536         * testsuite/version_script.map: Change glob pattern to use '?'
9537
9538 2008-06-30  Manish Singh  <yosh@gimp.org>
9539
9540         PR 6585
9541         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
9542         Correct typo.
9543
9544 2008-06-30  Ian Lance Taylor  <iant@google.com>
9545
9546         PR 6660
9547         PR 6682
9548         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
9549         versions]: Don't try to read the value in the contents, since we
9550         don't use it.  Use the template endianness when writing.
9551
9552 2008-06-25  Cary Coutant  <ccoutant@google.com>
9553
9554         * fileread.cc (File_read::make_view): Assert on zero-length view.
9555         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
9556         symbol table when there are no symbols to read.
9557
9558 2008-06-23  Craig Silverstein  <csilvers@google.com>
9559
9560         * version.cc (version_string): Bump to 1.7
9561
9562 2008-06-18  Craig Silverstein  <csilvers@google.com>
9563
9564         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
9565         constant 0xFFFF to type Valtype.
9566         (Powerpc_relocate_functions::rel16_ha): Likewise.
9567
9568 2008-06-17  Ian Lance Taylor  <iant@google.com>
9569
9570         * output.h (Output_section::Input_section): Initialize p2align_ to
9571         zero for Output_section_data constructors.
9572         (Output_section::Input_section::addralign): If not an input
9573         section, return the alignment of the Output_section_data.
9574         * testsuite/copy_test.cc: New file.
9575         * testsuite/copy_test_1.cc: New file.
9576         * testsuite/copy_test_2.cc: New file.
9577         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
9578         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
9579         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
9580         (copy_test_1_pic.o, copy_test_1.so): New targets.
9581         (copy_test_2_pic.o, copy_test_2.so): New targets.
9582         * testsuite/Makefile.in: Rebuild.
9583
9584         * script-sections.cc (Script_sections::place_orphan): Initialize
9585         local variable exact.
9586
9587 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
9588
9589         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
9590
9591 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
9592             David S. Miller  <davem@davemloft.net>
9593
9594         * powerpc.cc: New file.
9595         * Makefile.am (TARGETSOURCES): Add powerpc.cc
9596         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
9597         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
9598         * Makefile.in: Rebuild.
9599
9600 2008-06-09  Ian Lance Taylor  <iant@google.com>
9601
9602         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
9603         <exception>.
9604         (throwing, orig_terminate): New static variables.
9605         (terminate_handler): New static function.
9606         (t2): Set terminate handler.
9607
9608 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
9609
9610         PR 6584
9611         * binary.cc (Binary_to_elf::sized_convert): Fix .data
9612         alignment.
9613
9614 2008-05-30  Cary Coutant  <ccoutant@google.com>
9615
9616         * archive.cc (Archive::include_all_members) Correct to step
9617         over symbol table and extended name table in thin archives.
9618
9619 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
9620
9621         PR 6407
9622         * target-reloc.h (relocate_for_relocatable): Fix new_offset
9623         calculation.
9624
9625 2008-05-28  Caleb Howe  <cshowe@google.com>
9626
9627         * reduced_debug_output.cc: New file.
9628         * reduced_debug_output.h: New file.
9629         * options.h (class General_options): Add --strip-debug-non-line.
9630         * options.cc (General_options::finalize): Add strip_debug_non_line
9631         to the strip heirarchy.
9632         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
9633         fields.
9634         * layout.cc: Include "reduced_debug_output.h".
9635         (Layout::Layout): Initialize new fields.
9636         (line_only_debug_sections): New static array.
9637         (is_lines_only_debug_sections): New static inline function.
9638         (Layout::include_section): Handle --strip-debug-non-line.
9639         (Layout::make_output_section): If --strip-debug-non-line, build
9640         new output sections for .debug_abbrev and .debug_info.
9641         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
9642         gold.  Warn about possible overflow.
9643         (read_signed_LEB_128): Likewise.
9644         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
9645         (read_signed_LEB_128): Declare.
9646         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
9647         (HFILES): Add reduced_debug_output.h.
9648         * Makefile.in: Rebuild.
9649
9650 2008-05-21  Ian Lance Taylor  <iant@google.com>
9651
9652         * mapfile.cc: New file.
9653         * mapfile.h: New file.
9654         * options.h (class General_options): Add -M/--print-map and -Map.
9655         * options.cc (General_options::finalize): Make -M equivalent to
9656         -Map -.
9657         * main.cc: Include <cstdio> and "mapfile.h".
9658         (main): Open mapfile if requested.
9659         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
9660         constructor.  Change caller.
9661         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9662         (queue_middle_tasks): Likewise.
9663         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9664         declarations.
9665         * archive.cc: Include "mapfile.h".
9666         (Archive::add_symbols): Add mapfile parameter.  Change all
9667         callers.  Pass mapfile, symbol, and reason to include_member.
9668         (Archive::include_all_members): Add mapfile parameter.  Change all
9669         callers.
9670         (Archive::include_member): Add mapfile, sym, and why parameters.
9671         Change all callers.  Report inclusion to map file.
9672         * archive.h: Include "fileread.h".
9673         (class Archive): Update declarations.
9674         (Archive::file): New const method.
9675         (class Add_archive_symbols): Add mapfile_ field.  Update
9676         constructor.  Change all callers.
9677         * readsyms.h (class Read_symbols): Likewise.
9678         (class Finish_group): Likewise.
9679         (class Read_script): Likewise.
9680         * common.cc: Include "mapfile.h".
9681         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9682         all callers.
9683         (Symbol_table::do_allocate_commons): Likewise.
9684         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9685         symbol allocation to mapfile.
9686         * common.h (class Allocate_commons_task): Add mapfile_ field.
9687         Update constructor.  Change all callers.
9688         * symtab.h (class Symbol_table): Update declarations.
9689         * layout.cc: Include "mapfile.h".
9690         (Layout_task_runner::run): Print information to mapfile.
9691         (Layout::create_gold_note): Change Output_data_fixed_space to
9692         Output_data_zero_fill.
9693         (Layout::create_build_id): Likewise.
9694         (Layout::print_to_mapfile): New function.
9695         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9696         constructor.  Change caller.
9697         (class Layout): Declare print_to_mapfile.
9698         * output.cc (Output_section::Input_section::print_to_mapfile): New
9699         function.
9700         (Output_section::add_input_section): If producing a map, always
9701         add to input_sections_ list.
9702         (Output_section::do_print_to_mapfile): New function.
9703         (Output_segment::print_sections_to_mapfile): New function.
9704         (Output_segment::print_section_list_to_mapfile): New function.
9705         * output.h: Include "mapfile.h".
9706         (Output_data::print_to_mapfile): New function.
9707         (Output_data::do_print_to_mapfile): New virtual function.
9708         (Output_segment_headers::do_print_to_mapfile): New function.
9709         (Output_file_header::do_print_to_mapfile): New function.
9710         (Output_data_const::do_print_to_mapfile): New function.
9711         (class Output_data_const_buffer): Add map_name_ field.  Update
9712         constructor.  Change all callers.  Add do_print_to_mapfile
9713         function.
9714         (class Output_data_fixed_space): Likewise.
9715         (class Output_data_space): Likewise.
9716         (class Output_data_zero_fill): New class.
9717         (Output_data_strtab::do_print_to_mapfile): New function.
9718         (Output_data_reloc_base::do_print_to_mapfile): New function.
9719         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9720         (Output_data_group::do_print_to_mapfile): New function.
9721         (Output_data_got::do_print_to_mapfile): New function.
9722         (Output_data_dynamic::do_print_to_mapfile): New function.
9723         (Output_symtab_xindex::do_print_to_mapfile): New function.
9724         (class Output_section): Declare do_print_to_mapflie.  Declare
9725         print_to_mapfile in Input_section.
9726         (class Output_segment): Declare new functions.
9727         * object.h (Sized_relobj::symbol_count): New function.
9728         * script-sections.cc
9729         (Output_section_element_dot_assignment::set_section_addresses):
9730         Change Output_data_fixed_space to Output_data_zero_fill.
9731         (Output_data_expression::do_print_to_mapfile): New function.
9732         * script.cc (read_input_script): Add mapfile parameter.  Change
9733         all callers.
9734         * script.h (read_input_script): Update declaration.
9735         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9736         (Eh_frame::do_print_to_mapfile): New function.
9737         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9738         (Output_merge_string::do_print_to_mapfile): New function.
9739         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9740         function.
9741         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9742         function.
9743         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9744         function.
9745         * Makefile.am (CCFILES): Add mapfile.cc.
9746         (HFILES): Add mapfile.h.
9747         * Makefile.in: Rebuild.
9748
9749 2008-05-19  Ian Lance Taylor  <iant@google.com>
9750
9751         * options.h (class General_options): Add -z relro.
9752         * layout.cc (Layout::Layout): Initialize relro_segment_.
9753         (Layout::add_output_section_data): Return the output section.
9754         (Layout::make_output_section): Rcognize relro sections and mark
9755         them appropriately.
9756         (Layout::attach_allocated_section_to_segment): Put relro sections
9757         in a PT_GNU_RELRO segment.
9758         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9759         section as relro.
9760         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9761         PT_TLS segments.
9762         (Layout::linkonce_mapping): Map d.rel.ro.local to
9763         .data.rel.ro.local.
9764         (Layout::output_section_name): Us .data.rel.ro.local for any
9765         section which begins with that.
9766         * layout.h (class Layout): Update add_output_section_data
9767         declaration.  Add relro_segment_ field.
9768         * output.cc (Output_section::Output_section): Initialize is_relro_
9769         and is_relro_local_ fields.
9770         (Output_segment::add_output_section): Group relro sections.
9771         (Output_segment::is_first_section_relro): New function.
9772         (Output_segment::maximum_alignment): If there is a relro section,
9773         align the segment to the common page size.
9774         (Output_segment::set_section_addresses): Track whether we are
9775         looking at relro sections.  If the last section is a relro
9776         section, align to the common page size.
9777         (Output_segment::set_section_list_addresses): Add in_relro
9778         parameter.  Change all callers.  Align to the page size when
9779         moving from relro to non-relro section.
9780         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9781         segment.
9782         * output.h (class Output_section): Add is_relro_ and
9783         is_relro_local_ fields.
9784         (Output_section::is_relro): New function.
9785         (Output_section::set_is_relro): New function.
9786         (Output_section::is_relro_local): New function.
9787         (Output_section::set_is_relro_local): New function.
9788         (class Output_segment): Update declarations.
9789         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9790         * sparc.cc (Target_sparc::got_section): Likewise.
9791         * x86_64.cc (Target_x86_64::got_section): Likewise.
9792         * testsuite/relro_test_main.cc: New file.
9793         * testsuite/relro_test.cc: New file.
9794         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9795         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9796         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9797         (relro_test.so, relro_test_pic.o): New targets.
9798         * testsuite/Makefile.in: Rebuild.
9799
9800 2008-05-16  Ian Lance Taylor  <iant@google.com>
9801
9802         * output.cc (Output_segment::add_output_section): Remove front
9803         parameter.
9804         * output.h (class Output_segment): Remove
9805         add_initial_output_section and overloaded add_output_section.
9806         Update declaration of remaining add_output_section.
9807         * layout.cc (Layout::create_interp): Call add_output_section
9808         rather than add_initial_output_section.
9809         (Layout::finish_dynamic_section): Likewise.
9810
9811         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9812         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9813         know the dynamic type.
9814         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9815         field.  Initialize it in constructor.
9816         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9817         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9818         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9819         reloc.
9820
9821         * output.cc (Output_reloc::get_address): Change return type to
9822         Elf_Addr.
9823         * output.h (class Output_reloc): Update get_address declaration.
9824         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9825         for section addresses.
9826
9827 2008-05-09  Ian Lance Taylor  <iant@google.com>
9828
9829         PR 6493
9830         * gold.cc (gold_nomem): Use return value of write.
9831
9832 2008-05-08  Ian Lance Taylor  <iant@google.com>
9833
9834         * symtab.c (Symbol::init_base_output_data): Add version
9835         parameter.  Change all callers.
9836         (Symbol::init_base_output_segment): Likewise.
9837         (Symbol::init_base_constant): Likewise.
9838         (Symbol::init_base_undefined): Likewise.
9839         (Sized_symbol::init_output_data): Likewise.
9840         (Sized_symbol::init_output_segment): Likewise.
9841         (Sized_symbol::init_constant): Likewise.
9842         (Sized_symbol::init_undefined): Likewise.
9843         (Symbol_table::do_define_in_output_data): If the new symbol has a
9844         version, mark it as the default.
9845         (Symbol_table::do_define_in_output_segment): Likewise.
9846         (Symbol_table::do_define_as_constant): Likewise.
9847         * symtab.h (class Symbol): Update declarations.
9848         (class Sized_symbol): Likewise.
9849         * resolve.cc (Symbol::override_version): New function.
9850         (Symbol::override_base): Call override_version.
9851         (Symbol::override_base_with_special): Likewise.
9852         * testsuite/ver_script_8.script: New file.
9853         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9854         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9855         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9856         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9857
9858 2008-05-06  Ian Lance Taylor  <iant@google.com>
9859
9860         PR 6049
9861         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9862         functions.
9863         (class General_options): Remove existing --undefined, and add
9864         --no-undefined instead.  Add new --undefined as synonym for -u.
9865         * archive.cc (Archive::add_symbols): Check whether symbol was
9866         named with -u.
9867         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9868         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9869         all uses.  Add IS_UNDEFINED.  Update declarations to split
9870         different versions of init_base.  Declare init_base_undefined.
9871         (Symbol::is_defined): Handle IS_UNDEFINED.
9872         (Symbol::is_undefined): Likewise.
9873         (Symbol::is_weak_undefined): Call is_undefined.
9874         (Symbol::is_absolute): Handle IS_CONSTANT.
9875         (class Sized_symbol): Update declarations to split different
9876         versions of init.  Declare init_undefined.
9877         (class Symbol_table): Declare new functions.
9878         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9879         Change all callers.
9880         (Symbol::init_base_output_data): Likewise.
9881         (Symbol::init_base_output_segment): Likewise.
9882         (Symbol::init_base_constant): Likewise.
9883         (Symbol::init_base_undefined): New function.
9884         (Sized_symbol::init_object): Rename from init.  Change all
9885         callers.
9886         (Sized_symbol::init_output_data): Likewise.
9887         (Sized_symbol::init_output_segment): Likewise.
9888         (Sized_symbol::init_constant): Likewise.
9889         (Sized_symbol::init_undefined): New function.
9890         (Symbol_table::add_undefined_symbols_from_command_line): New
9891         function.
9892         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9893         function.
9894         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9895         (Symbol::output_section): Likewise.
9896         (Symbol::set_output_section): Likewise.
9897         (Symbol_table::sized_finalize_symbol): Likewise.
9898         (Symbol_table::sized_write_globals): Likewise.
9899         * resolve.cc (Symbol_table::should_override): Likewise.
9900         (Symbol::override_base_with_special): Likewise.
9901
9902         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9903         symbol, change it to have default visibility.
9904         * testsuite/protected_1.cc: New file.
9905         * testsuite/protected_2.cc: New file.
9906         * testsuite/protected_3.cc: New file.
9907         * testsuite/protected_main_1.cc: New file.
9908         * testsuite/protected_main_2.cc: New file.
9909         * testsuite/protected_main_3.cc: New file.
9910         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9911         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9912         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9913         (protected_1.so): New target.
9914         (protected_1_pic.o, protected_2_pic.o): New targets.
9915         (protected_3_pic.o): New target.
9916         (check_PROGRAMS): Add protected_2.
9917         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9918         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9919         * testsuite/Makefile.in: Rebuild.
9920
9921         * options.h (DEFINE_var): Add set_user_set_##varname__.
9922         (DEFINE_bool_alias): New macro.
9923         (class General_options): Define -Bstatic using DEFINE_bool_alias
9924         rather than DEFINE_special.  Add --undefined as an alias for -z
9925         defs.
9926         * options.cc (General_options::parse_Bstatic): Remove.
9927
9928         * options.h (class General_options): Add --fatal-warnings.
9929         * main.cc (main): Implement --fatal-warnings.
9930         * errors.h (Errors::warning_count): New function.
9931
9932         * options.h (class General_options): Add -Bsymbolic-functions.
9933         * symtab.h (Symbol::is_preemptible): Check for
9934         -Bsymbolic-functions.
9935
9936 2008-05-05  Ian Lance Taylor  <iant@google.com>
9937
9938         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9939         as noVARNAME rather than no-VARNAME.
9940         (class General_options): Add option -z combreloc.
9941         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9942         get_address.
9943         (Output_reloc::sort_before) [SHT_REL]: New function.
9944         (Output_reloc::sort_before) [SHT_RELA]: New function.
9945         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9946         Sort_relocs_comparison.
9947         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9948         parameter.  Change all callers.
9949         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9950         sort_relocs parameter.  Change all callers.
9951         * output.cc (Output_reloc::get_address): New function, broken out
9952         of write_rel.
9953         (Output_reloc::write_rel): Call it.
9954         (Output_reloc::compare): New function.
9955         (Output_data_reloc_base::do_write): Optionally sort relocs.
9956
9957         * configure.ac: If targ_extra_obj is set, link it in.
9958         * configure.tgt: Initialize all variables.
9959         (x86_64*): Set targ_extra_obj and targ_extra_size.
9960         * configure: Rebuild.
9961
9962         * object.cc (Sized_relobj::include_section_group): Adjust section
9963         indexes read from group data.  Build vector to pass to
9964         layout_group.
9965         * layout.cc (Layout::layout_group): Add flags and shndxes
9966         parameters.  Remove contents parameter.  Change caller.  Update
9967         explicit instantiations.
9968         * layout.h (class Layout): Update layout_group declaration.
9969         * output.cc (Output_data_group::Output_data_group): Add flags and
9970         input_shndxes parameters.  Remove contents parameter.  Change
9971         caller.
9972         (Output_data_group::do_write): Change input_sections_ to
9973         input_shndxes_.
9974         * output.h (class Output_data_group): Update constructor
9975         declaration.  Rename input_sections_ to input_shndxes_.
9976         * testsuite/many_sections_test.cc: Add template.
9977
9978 2008-04-30  Cary Coutant  <ccoutant@google.com>
9979
9980         * target-reloc.h (relocate_section): Fix dead-pointer bug.
9981
9982         * layout.cc (Layout::include_section): Refactored check for debug
9983         info section.
9984         (Layout::add_comdat): Add new parameters.  Change type
9985         of signature parameter.  Add object and shndx to signatures table.
9986         (Layout::find_kept_object): New function.
9987         * layout.h: Include <cstring>.
9988         (Layout::is_debug_info_section): New function.
9989         (Layout::add_comdat): Add new parameters.
9990         (Layout::find_kept_object): New function.
9991         (Layout::Kept_section): New struct.
9992         (Layout::Signatures): Change type of map range.
9993         * object.cc (Relobj::output_section_address): New function.
9994         (Sized_relobj::include_section_group): Add new parameters.  Change
9995         calls to Layout::add_comdat.  Change to build table of kept comdat
9996         groups and table mapping discarded sections to kept sections.
9997         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
9998         (Sized_relobj::do_layout): Change calls to include_section_group and
9999         include_linkonce_section.
10000         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10001         value to zero when section is discarded.
10002         (Sized_relobj::map_to_kept_section): New function.
10003         * object.h (Relobj::output_section_address): New function.
10004         (Relobj::Comdat_group): New type.
10005         (Relobj::find_comdat_group): New function.
10006         (Relobj::Comdat_group_table): New type.
10007         (Relobj::Kept_comdat_section): New type.
10008         (Relobj::Kept_comdat_section_table): New type.
10009         (Relobj::add_comdat_group): New function.
10010         (Relobj::set_kept_comdat_section): New function.
10011         (Relobj::get_kept_comdat_section): New function.
10012         (Relobj::comdat_groups_): New field.
10013         (Relobj::kept_comdat_sections_): New field.
10014         (Symbol_value::input_value): Update comment.
10015         (Sized_relobj::map_to_kept_section) New function.
10016         (Sized_relobj::include_linkonce_section): Add new parameter.
10017         * target-reloc.h (Comdat_behavior): New type.
10018         (get_comdat_behavior): New function.
10019         (relocate_section): Add code to map a discarded section to the
10020         corresponding kept section when applying a relocation.
10021
10022 2008-04-30  Craig Silverstein  <csilvers@google.com>
10023
10024         * dwarf_reader.cc (next_generation_count): New static var.
10025         (Addr2line_cache_entry): New struct.
10026         (addr2line_cache): New static var.
10027         (Dwarf_line_info::one_addr2line): Added caching.
10028         (Dwarf_line_info::clear_addr2line_cache): New function.
10029         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10030         cache-size parameter.
10031         (Dwarf_line_info::one_addr2line_cache): New function.
10032         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10033         new cache-size argument to one_addr2line(), and clear cache.
10034
10035 2008-04-28  Cary Coutant  <ccoutant@google.com>
10036
10037         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10038         R_386_PC8 relocations.
10039
10040 2008-04-23  Ian Lance Taylor  <iant@google.com>
10041
10042         * object.cc (Sized_relobj::include_section_group): Check for
10043         invalid section group.
10044
10045         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10046         header size.
10047
10048         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10049         than read for file header.
10050         * archive.cc (Archive::include_member): Likewise.
10051
10052 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10053
10054         * aclocal.m4: Regenerate.
10055         * configure: Regenerate.
10056
10057 2008-04-19  Ian Lance Taylor  <iant@google.com>
10058
10059         * version.cc (version_string): Bump to 1.6.
10060
10061         * testsuite/Makefile.am (many_sections_r_test): New target.
10062         (many_sections_r_test_SOURCES): Remove.
10063         (many_sections_r_test_DEPENDENCIES): Remove.
10064         (many_sections_r_test_LDFLAGS): Remove.
10065         (many_sections_r_test_LDADD): Remove.
10066
10067         * object.cc (Sized_relobj::do_add_symbols): Always pass
10068         local_symbol_count_ to add_from_relobj.
10069
10070         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10071         every thousand variables.
10072         * testsuite/Makefile.in: Rebuild.
10073
10074         * object.cc (Xindex::initialize_symtab_xindex): New function.
10075         (Xindex::read_symtab_xindex): New function.
10076         (Xindex::sym_xindex_to_shndx): New function.
10077         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10078         available.
10079         (Sized_relobj::do_initialize_xindex): New function.
10080         (Sized_relobj::do_read_symbols): Adjust section links.
10081         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10082         parameter.  Change all callers.
10083         (Sized_relobj::include_section_group): Adjust section links and
10084         symbol section indexes.
10085         (Sized_relobj::do_layout): Adjust section links.
10086         (Sized_relobj::do_count_local_symbols): Adjust section links and
10087         symbol section indexes.
10088         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10089         ordinary and special symbols.
10090         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10091         dynsym_xindex parameters.  Change all callers.  Adjust section
10092         links.  Use SHN_XINDEX when needed.
10093         (Sized_relobj::get_symbol_location_info): Adjust section links.
10094         Don't get fooled by special symbols.
10095         * object.h (class Xindex): Define.
10096         (class Object): Add xindex_ parameter.  Declare virtual functoin
10097         do_initialize_xindex.
10098         (Object::adjust_sym_shndx): New function.
10099         (Object::set_xindex): New protected function.
10100         (class Symbol_value): Add is_ordinary_shndx_ field.
10101         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10102         (Symbol_value::value): Assert ordinary section.
10103         (Symbol_value::initialize_input_to_output_map): Likewise.
10104         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10105         Change all callers.
10106         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10107         all callers.
10108         (class Sized_relobj): Update declarations.
10109         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10110         parameter.  Change all callers.
10111         (Sized_relobj::adjust_shndx): New function.
10112         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10113         field.
10114         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10115         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10116         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10117         (Sized_dynobj::read_dynsym_section): Adjust section links.
10118         (Sized_dynobj::read_dynamic): Likewise.
10119         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10120         section links.
10121         (Sized_dynobj::do_initialize_xindex): New function.
10122         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10123         do_initialize_xindex.
10124         (Sized_dynobj::adjust_shndx): New function.
10125         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10126         dynsym_xindex_ fields.
10127         (Layout::finalize): Add a call to set_section_indexes before
10128         creating the symtab sections.
10129         (Layout::set_section_indexes): Don't do anything if the section
10130         already has a section index.
10131         (Layout::create_symtab_sections): Add shnum parameter.  Change
10132         caller.  Create .symtab_shndx section if needed.
10133         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10134         caller.
10135         (Layout::allocated_output_section_count): New function.
10136         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10137         needed.
10138         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10139         fields.  Update declarations.
10140         (Layout::symtab_xindex): New function.
10141         (Layout::dynsym_xindex): New function.
10142         (class Write_symbols_task): Add layout_ field.
10143         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10144         Change caller.
10145         * output.cc (Output_section_headers::Output_section_headers): Add
10146         shstrtab_section parameter.  Change all callers.
10147         (Output_section_headers::do_sized_write): Store overflow values
10148         for section count and section string table section index in
10149         section header zero.
10150         (Output_file_header::do_sized_write): Check for overflow of
10151         section count and section string table section index.
10152         (Output_symtab_xindex::do_write): New function.
10153         (Output_symtab_xindex::endian_do_write): New function.
10154         * output.h (class Output_section_headers): Add shstrtab_section_.
10155         Update declarations.
10156         (class Output_symtab_xindex): Define.
10157         (Output_section::has_out_shndx): New function.
10158         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10159         field.
10160         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10161         Change all callers.
10162         (Sized_symbol::init): Likewise.
10163         (Symbol::output_section): Check for ordinary symbol.
10164         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10165         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10166         callers.
10167         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10168         Change all callers.  Simplify handling of symbols from sections
10169         not included in the link.
10170         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10171         distinction.
10172         (Weak_alias_sorter::operator()): Assert that symbols are
10173         ordinary.
10174         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10175         distinction.
10176         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10177         parameters.  Change all callers.
10178         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10179         symbol distinction.  Use SHN_XINDEX when needed.
10180         (Symbol_table::write_section_symbol): Add symtab_xindex
10181         parameter.  Change all callers.
10182         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10183         SHN_XINDEX when needed.
10184         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10185         declarations.
10186         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10187         (Symbol::is_defined): Check is_ordinary.
10188         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10189         (Symbol::is_absolute, Symbol::is_common): Likewise.
10190         (class Sized_symbol): Update declarations.
10191         (class Symbol_table): Update declarations.
10192         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10193         parameters.  Change all callers.
10194         (Sized_symbol::override): Likewise.
10195         (Symbol_table::override): Likewise.
10196         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10197         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10198         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10199         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10200         to be in an ordinary section.
10201         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10202         object and is_ordinary parameters.  Change all callers.
10203         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10204         Change all callers.  Don't add undefined or non-ordinary symbols
10205         to reloc_map_.
10206         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10207         Change all callers.
10208         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10209         declarations.
10210         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10211         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10212         (Sized_relobj::relocate_sections): Likewise.
10213         * target-reloc.h (scan_relocs): Adjust section symbol index.
10214         (scan_relocatable_relocs): Likewise.
10215         * i386.cc (Scan::local): Check for ordinary symbols.
10216         * sparc.cc (Scan::local): Likewise.
10217         * x86_64.cc (Scan::local): Likewise.
10218         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10219         to symbol_section_and_value.
10220         * testsuite/many_sections_test.cc: New file.
10221         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10222         (check_PROGRAMS): Add many_sections_test.
10223         (many_sections_test_SOURCES): Define.
10224         (many_sections_test_DEPENDENCIES): Define.
10225         (many_sections_test_LDFLAGS): Define.
10226         (BUILT_SOURCES): Add many_sections_define.h.
10227         (many_sections_define.h): New target.
10228         (BUILT_SOURCES): Add many_sections_check.h.
10229         (many_sections_check.h): New target.
10230         (check_PROGRAMS): Add many_sections_r_test.
10231         (many_sections_r_test_SOURCES): Define.
10232         (many_sections_r_test_DEPENDENCIES): Define.
10233         (many_sections_r_test_LDFLAGS): Define.
10234         (many_sections_r_test_LDADD): Define.
10235         (many_sections_r_test.o): New target.
10236         * testsuite/Makefile.in: Rebuild.
10237
10238 2008-04-17  Cary Coutant  <ccoutant@google.com>
10239
10240         * errors.cc (Errors::info): New function.
10241         (gold_info): New function.
10242         * errors.h (Errors::info): New function.
10243         * gold.h (gold_info): New function.
10244         * object.cc (Input_objects::add_object): Print trace output.
10245         * options.cc (options::parse_set): New function.
10246         (General_options::parse_wrap): Deleted.
10247         (General_options::General_options): Deleted initializer.
10248         * options.h (options::String_set): New typedef.
10249         (options::parse_set): New function.
10250         (DEFINE_set): New macro.
10251         (General_options::wrap): Changed to use DEFINE_set. Changed
10252         callers of any_wrap_symbols and is_wrap_symbol.
10253         (General_options::trace, General_options::trace_symbol):
10254         New options.
10255         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10256         (General_options::wrap_symbols_): Deleted.
10257         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10258
10259 2008-04-17  David S. Miller  <davem@davemloft.net>
10260
10261         * options.cc (General_options::parse_V): New function.
10262         * options.h: Add entries for -V and -Qy.
10263
10264 2008-04-17  Ian Lance Taylor  <iant@google.com>
10265
10266         * common.cc (Symbol_table::allocate_commons): Remove options
10267         parameter.  Change caller.
10268         (Symbol_table::do_allocate_commons): Remove options parameter.
10269         Change caller.  Just call do_allocate_commons_list twice.
10270         (Symbol_table::do_allocate_commons_list): New function, broken out
10271         of do_allocate_commons.
10272         * common.h (class Allocate_commons_task): Remove options_ field.
10273         Update constructor.
10274         * symtab.cc (Symbol_table::Symbol_table): Initialize
10275         tls_commons_.
10276         (Symbol_table::add_from_object): Put TLS common symbols on
10277         tls_commons_ list.
10278         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10279         which are IN_OUTPUT_DATA.
10280         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10281         allocate_commons and do_allocate_commons declarations.  Declare
10282         do_allocate_commons_list.
10283         * gold.cc (queue_middle_tasks): Update creation of
10284         Allocate_commons_task to not pass options.
10285         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10286         (TLS_TEST_C_FLAGS): New variable.
10287         (tls_test_c_pic.o): New target.
10288         (tls_test_shared.so): Link in tls_test_c_pic.o.
10289         (tls_test_c_pic_ie.o): New target.
10290         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10291         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10292         (tls_test_c.o): New target.
10293         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10294         (tls_pic_test_LDADD): Likewise.
10295         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10296         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10297         (tls_test_c_gnu2.o): New target.
10298         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10299         tls_test_c_gnu2.o.
10300         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10301         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10302         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10303         * testsuite/tls_test.cc: Include "config.h".
10304         (t_last): Call t11_last.
10305         * testsuite/tls_test.h (t11, t11_last): Declare.
10306         * testsuite/tls_test_c.c: New file.
10307         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10308         * configure.ac: Check for OpenMP support.
10309         * configure, config.in, Makefile.in: Rebuild.
10310         * testsuite/Makefile.in: Rebuild.
10311
10312 2008-04-16  Cary Coutant  <ccoutant@google.com>
10313
10314         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10315         (Target_i386::tls_base_symbol_defined_): New field.
10316         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10317         (Target_i386::Scan::global): Likewise.
10318         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10319         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10320         (Target_x86_64::tls_base_symbol_defined_): New field.
10321         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10322         (Target_x86_64::Scan::global): Likewise.
10323
10324 2008-04-16  Cary Coutant  <ccoutant@google.com>
10325
10326         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10327         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10328         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10329         building shared libraries.
10330         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10331         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10332         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10333         * testsuite/Makefile.in: Rebuild.
10334         * testsuite/weak_undef.h: New file.
10335         * testsuite/weak_undef_file1.cc: Add extra test cases.
10336         * testsuite/weak_undef_file2.cc: Likewise.
10337         * testsuite/weak_undef_test.cc: Likewise.
10338
10339 2008-04-16  David S. Miller  <davem@davemloft.net>
10340
10341         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10342         Add issued_non_pic_error_ field.  Declare check_non_pic.
10343         (Target_sparc::Scan::check_non_pic): New function.
10344         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10345         (Target_sparc::Scan::global): Likewise.
10346
10347         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10348         * configure: Rebuild.
10349
10350         * options.h (DEFINE_enable): New macro.
10351         (new_dtags): New enable option.
10352         (initfirst, interpose, loadfltr, nodefaultlib,
10353         nodelete, nodlopen, nodump): New -z options.
10354         * layout.cc (Layout:finish_dynamic_section): If new
10355         dtags enabled, emit DT_RUNPATH.  Also, emit a
10356         DT_FLAGS_1 containing any specified -z flags.
10357
10358 2008-04-16  Ian Lance Taylor  <iant@google.com>
10359
10360         * copy-relocs.cc: New file.
10361         * copy-relocs.h: New file.
10362         * reloc.cc: Remove Copy_relocs code.
10363         * reloc.h: Likewise.
10364         * reloc-types.h (struct Reloc_types) [both versions]: Add
10365         get_reloc_addend_noerror.
10366         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10367         variants of add_global which take an addend which must be zero.
10368         * i386.cc: Include "copy-relocs.h".
10369         (class Target_i386): Change type of copy_relocs_ to variable,
10370         update initializer.
10371         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10372         Change all callers.
10373         (Target_i386::do_finalize_sections): Change handling of
10374         copy_relocs_.
10375         * sparc.cc: Include "copy-relocs.h".
10376         (class Target_sparc): Change type of copy_relocs_ to variable,
10377         update initializer.
10378         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10379         Change all callers.
10380         (Target_sparc::do_finalize_sections): Change handling of
10381         copy_relocs_.
10382         * x86_64.cc: Include "copy-relocs.h".
10383         (class Target_x86_64): Change type of copy_relocs_ to variable,
10384         update initializer.
10385         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10386         class.  Change all callers.
10387         (Target_x86_64::do_finalize_sections): Change handling of
10388         copy_relocs_.
10389         * Makefile.am (CCFILES): Add copy-relocs.cc.
10390         (HFILES): Add copy-relocs.h.
10391
10392         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10393
10394         * testsuite/script_test_4.sh: Permit leading zeroes.
10395
10396 2008-04-15  Ian Lance Taylor  <iant@google.com>
10397
10398         * script-sections.cc (Script_sections::create_segments): Use
10399         header_size_adjustment even when there is enough room for the
10400         headers.
10401         * testsuite/script_test_4.sh: New file.
10402         * testsuite/script_test_4.t: New file.
10403         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10404         (check_DATA): Add script_test_4.stdout.
10405         (MOSTLYCLEANFILES): Likewise.
10406         (script_test_4): New target.
10407         (script_test_4.stdout): New target.
10408         * testsuite/Makefile.in: Rebuild.
10409
10410         * sparc.cc: Add definitions for Output_data_plt_sparc class
10411         constants.
10412
10413 2008-04-14  David S. Miller  <davem@davemloft.net>
10414
10415         * sparc.cc: New file.
10416         * Makefile.am (TARGETSOURCES): Add sparc.cc
10417         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10418         * configure.tgt: Document targ_extra_size and
10419         targ_extra_big_endian.  Add entries for sparc-* and
10420         sparc64-*.
10421         * configure.ac: Handle targ_extra_size and
10422         targ_extra_big_endian.
10423         * Makefile.in: Rebuild.
10424         * configure: Likewise.
10425         * po/POTFILES.in: Likewise.
10426         * po/gold.pot: Likewise.
10427
10428 2008-04-14  Ian Lance Taylor  <iant@google.com>
10429
10430         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10431         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10432         in the name/type/flags to section mapping.  Don't call
10433         allocate_output_section.
10434         (Layout::choose_output_section): Change parameter from adjust_name
10435         to is_input_section.  Don't permit input sections after sections
10436         are attached to segments.  Don't call allocate_output_section.
10437         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10438         not write_enable_output_section.
10439         (Layout::make_output_section): Don't push to
10440         unattached_section_list_ nor call attach_to_segment.  Call
10441         attach_section_to_segment if sections are attached.
10442         (Layout::attach_sections_to_segments): New function.
10443         (Layout::attach_section_to_segment): New function.
10444         (Layout::attach_allocated_section_to_segment): Rename from
10445         attach_to_segment.  Remove flags parameter.
10446         (Layout::allocate_output_section): Remove function.
10447         (Layout::write_enable_output_section): Remove function.
10448         * layout.h (class Layout): Update for above changes.  Add new
10449         field sections_are_attached_.
10450         * output.h (Output_section::update_flags_for_input_section): New
10451         function.
10452         * output.cc (Output_section::add_input_section): Call
10453         update_flags_for_input_section.
10454         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10455
10456 2008-04-11  Cary Coutant  <ccoutant@google.com>
10457
10458         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10459         thought unnecessary.
10460         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10461
10462 2008-04-11  Ian Lance Taylor  <iant@google.com>
10463
10464         * output.h (class Output_section_data): Remove inline definition
10465         of set_addralign.
10466         * output.cc (Output_section_data::set_addralign): New function.
10467
10468 2008-04-11  Cary Coutant  <ccoutant@google.com>
10469
10470         Add support for TLS descriptors for i386 and x86_64.
10471         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10472         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10473         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10474         GOT_TYPE_TLS_DESC.
10475         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10476         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10477         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10478         relocations.
10479         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10480         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10481         Fix problem with initial-exec relocations.
10482         (Target_i386::Relocate::relocate_tls): Likewise.
10483         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10484         relaxation.
10485         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10486         support for section-plus-offset dynamic table entries.
10487         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10488         (Output_data_dynamic::Dynamic_entry): Add support for
10489         section-plus-offset dynamic table entries.
10490         (Output_data_dynamic::Classification): Likewise.
10491         (Output_data_dynamic::classification_): Renamed offset_.
10492         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10493         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10494         (Target_x86_64::make_plt_section): New function.
10495         (Target_x86_64::reserve_tlsdesc_entries): New function.
10496         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10497         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10498         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10499         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10500         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10501         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10502         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10503         add extra PLT entry for TLS descriptors.
10504         (Output_data_plt_x86_64::got_): New field.
10505         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
10506         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
10507         fields.
10508         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
10509         descriptors.
10510         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
10511         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
10512         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
10513         R_386_TLS_DESC_CALL relocations.
10514         (Target_x86_64::Scan::global): Likewise.
10515         (Target_x86_64::do_finalize_sections): Add dynamic table entries
10516         for TLS descriptors.
10517         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
10518         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
10519         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
10520         GD-to-IE relaxation.
10521         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
10522         and TLS_DESCRIPTORS.
10523         * Makefile.in: Rebuild.
10524         * configure: Rebuild.
10525         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
10526         (tls_test_shared2.so): New target.
10527         (tls_shared_gd_to_ie_test_SOURCES): New variable.
10528         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
10529         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
10530         (tls_shared_gd_to_ie_test_LDADD): New variable.
10531         (tls_shared_gnu2_gd_to_ie_test): New target.
10532         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
10533         New targets.
10534         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
10535         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
10536         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
10537         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
10538         (tls_shared_gnu2_test): New target.
10539         (tls_test_gnu2_shared.so): New target.
10540         (tls_shared_gnu2_test_SOURCES): New variable.
10541         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
10542         (tls_shared_gnu2_test_LDFLAGS): New variable.
10543         (tls_shared_gnu2_test_LDADD): New variable.
10544         * testsuite/Makefile.in: Rebuild.
10545         * testsuite/Makefile.
10546
10547 2008-04-11  Ian Lance Taylor  <iant@google.com>
10548
10549         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
10550         justsyms.t.
10551         * testsuite/Makefile.in: Rebuild.
10552
10553         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
10554         long.
10555         * testsuite/script_test_2.cc (main): Adjust test.
10556
10557 2008-04-11  David S. Miller  <davem@davemloft.net>
10558             Ian Lance Taylor  <iant@google.com>
10559
10560         * options.h (General_options): Add entries for '-Y' and
10561         '-relax'.
10562         * options.cc (General_options:finalize): If -Y was used, add those
10563         entries to the library path instead of the default "/lib" and
10564         "/usr/lib".
10565
10566 2008-04-11  David S. Miller  <davem@davemloft.net>
10567
10568         * testsuite/justsyms.t: Start at 0x100.
10569         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
10570         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
10571         long.
10572         * testsuite/script_test_2.cc: Adjust string and section length
10573         checks.
10574
10575 2008-04-09  Ian Lance Taylor  <iant@google.com>
10576
10577         PR gold/5996
10578         * script-sections.cc (Sections_element::allocate_to_segment): Add
10579         orphan parameter.
10580         (Output_section_definition::allocate_to_segment): Likewise.
10581         (Orphan_output_section::allocate_to_segment): Likewise.
10582         (Script_sections::attach_sections_using_phdrs_clause): Don't
10583         propagate non-PT_LOAD segments to orphan sections.
10584         * testsuite/Makefile.am (script_test_3.stdout): Generate using
10585         readelf rather than objdump.
10586         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
10587         .interp section and PT_INTERP segment are the same size.
10588         * testsuite/Makefile.in: Rebuild.
10589
10590         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
10591         aliases for symbols defined in the same object.
10592         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
10593         (weak_alias_test_SOURCES): New variable.
10594         (weak_alias_test_DEPENDENCIES): New variable.
10595         (weak_alias_test_LDFLAGS): New variable.
10596         (weak_alias_test_LDADD): New variable.
10597         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
10598         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
10599         (weak_alias_test_3.o): New target.
10600         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
10601         * testsuite/weak_alias_test_main.cc: New file.
10602         * testsuite/weak_alias_test_1.cc: New file.
10603         * testsuite/weak_alias_test_2.cc: New file.
10604         * testsuite/weak_alias_test_3.cc: New file.
10605
10606 2008-04-08  Ian Lance Taylor  <iant@google.com>
10607
10608         * options.h (class General_options): Add --noinhibit-exec option.
10609         * main.cc (main): Check --noinhibit-exec.
10610
10611         * options.h (class General_options): Define --wrap as a special
10612         option.  Add wrap_symbols_ field.
10613         (General_options::any_wrap_symbols): New function.
10614         (General_options::is_wrap_symbol): New function.
10615         * options.cc (General_options::parse_wrap): New function.
10616         (General_options::General_options): Initialize wrap_symbols_.
10617         * symtab.cc (Symbol_table::wrap_symbol): New function.
10618         (Symbol_table::add_from_object): Handle --wrap.
10619         * symtab.h (class Symbol_table): Declare wrap_symbol.
10620         * target.h (Target::wrap_char): New function.
10621         (Target::Target_info): Add wrap_char field.
10622         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
10623         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10624         * testsuite/testfile.cc (Target_test::test_target_info):
10625         Likewise.
10626
10627         * errors.cc (Errors::undefined_symbol): Mention symbol version if
10628         there is one.
10629
10630         * layout.h (class Layout): Add added_eh_frame_data_ field.
10631         * layout.cc (Layout::Layout): Initialize new field.
10632         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
10633         output section until we find a section we merged successfully.
10634         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
10635         that the size be non-zero.
10636
10637         * merge.cc (Object_merge_map::get_output_offset): Remove inline
10638         qualifier.
10639
10640 2008-04-08  Craig Silverstein  <csilvers@google.com>
10641
10642         * configure.ac: Export new conditional variable HAVE_ZLIB.
10643         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
10644         on HAVE_ZLIB.
10645         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
10646         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10647
10648 2008-04-07  Ian Lance Taylor  <iant@google.com>
10649
10650         * version.cc (version_string): Set to "1.5".
10651
10652         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
10653         Add issued_non_pic_error_ field.  Declare check_non_pic.
10654         (Target_x86_64::Scan::check_non_pic): New function.
10655         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
10656         (Target_x86_64::Scan::global): Likewise.
10657
10658         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
10659         addend parameter.  Change caller.  Handle merge sections.
10660         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
10661         Address to Addend.  Don't add in the result of
10662         local_section_offset, pass down the addend and use the returned
10663         value.
10664         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10665         Update declarations of local_section_offset and symbol_value.
10666         * testsuite/two_file_test_1.cc (t18): New function.
10667         * testsuite/two_file_test_2.cc (f18): New function.
10668         * testsuite/two_file_test_main.cc (main): Call t18.
10669         * testsuite/two_file_test.h (t18, f18): Declare.
10670
10671         * configure.ac: Don't test for objdump, c++filt, or readelf.
10672         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10673         conditionals.
10674         (TEST_READELF): New variable.
10675         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10676         (check_PROGRAMS): Add two_file_strip_test.
10677         (two_file_strip_test): New target.
10678         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10679         (two_file_same_shared_strip_test_SOURCES): New variable.
10680         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10681         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10682         (two_file_same_shared_strip_test_LDADD): New variable.
10683         (two_file_shared_strip.so): New target.
10684         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10685         (ver_test_5.syms, ver_test_7.syms): Likewise.
10686         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10687         (strip_test_3.stdout): Use TEST_OBJDUMP.
10688         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10689
10690 2008-04-04  Cary Coutant  <ccoutant@google.com>
10691
10692         * symtab.h (Symbol::is_weak_undefined): New function.
10693         (Symbol::is_strong_undefined): New function.
10694         (Symbol::is_absolute): New function.
10695         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10696         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10697         absolute symbols.
10698         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10699         (weak_undef_test): New target.
10700         * testsuite/Makefile.in: Rebuild.
10701         * testsuite/weak_undef_file1.cc: New file.
10702         * testsuite/weak_undef_file2.cc: New file.
10703         * testsuite/weak_undef_test.cc: New file.
10704
10705 2008-04-03  Craig Silverstein  <csilvers@google.com>
10706
10707         * compressed_output.h (class Output_compressed_section): Use
10708         unsigned buffer.
10709         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10710         add zlib header.
10711         (zlib_compressed_suffix): Removed.
10712         (Output_compressed_section::set_final_data_size): Use unsigned
10713         buffers.
10714         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10715         Fix linker invocation.
10716         (flagstest_o_specialfile_and_compress_debug_sections):
10717         Likewise.
10718         * testsuite/Makefile.in: Regenerated.
10719
10720 2008-04-02  David S. Miller  <davem@davemloft.net>
10721
10722         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10723         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10724
10725 2008-04-02  Craig Silverstein  <csilvers@google.com>
10726
10727         * TODO: New file.
10728
10729 2008-04-02  Ian Lance Taylor  <iant@google.com>
10730
10731         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10732         parameters.  Update for new key type to views_.  Change all
10733         callers.
10734         (File_read::read): Adjust for byteshift in returned view.
10735         (File_read::add_view): New function, broken out of
10736         find_and_make_view.
10737         (File_read::make_view): New function, broken out of
10738         find_and_make_view.
10739         (File_read::find_or_make_view): Add offset and aligned
10740         parameters.  Rewrite accordingly.  Change all callers.
10741         (File_read::get_view): Add offset and aligned parameters.  Adjust
10742         for byteshift in return value.
10743         (File_read::get_lasting_view): Likewise.
10744         * fileread.h (class File_read): Update declarations.
10745         (class File_read::View): Add byteshift_ field.  Add byteshift to
10746         constructor.  Add byteshift method.
10747         * archive.h (Archive::clear_uncached_views): New function.
10748         (Archive::get_view): Add aligned parameter.  Change all callers.
10749         * object.h (Object::get_view): Add aligned parameter.  Change all
10750         callers.
10751         (Object::get_lasting_view): Likewise.
10752
10753         * fileread.cc (File_read::release): Don't call clear_views if
10754         there are multiple objects.
10755         * fileread.h (File_read::clear_uncached_views): New function.
10756         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10757         on the archive.
10758
10759 2008-03-31  Cary Coutant  <ccoutant@google.com>
10760
10761         Add thin archive support.
10762         * archive.cc (Archive::armagt): New const.
10763         (Archive::setup): Remove task parameter and calls to unlock.
10764         (Archive::unlock_nested_archives): New function.
10765         (Archive::read_header): Add nested_off parameter. Change
10766         all callers.
10767         (Archive::interpret_header): Likewise.
10768         (Archive::include_all_members): Change to handle thin
10769         archives.
10770         (Archive::include_member): Likewise.
10771         * archive.h (Archive::Archive): Add new parameters and
10772         initializers.
10773         (Archive::armagt): New const.
10774         (Archive::setup): Remove task parameter.
10775         (Archive::unlock_nested_archives): New function.
10776         (Archive::read_header): Add nested_off parameter.
10777         (Archive::interpret_header): Likewise.
10778         (Archive::Nested_archive_table): New typedef.
10779         (Archive::is_thin_archive_): New field.
10780         (Archive::nested_archives_): New field.
10781         (Archive::options_): New field.
10782         (Archive::dirpath_): New field.
10783         (Archive::task_): New field.
10784         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10785         for thin archives.  Pass additional parameters to
10786         Archive::Archive.  Unlock the archive file after calling
10787         Archive::setup.
10788
10789 2008-03-29  Ian Lance Taylor  <iant@google.com>
10790
10791         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10792         version symbol to be local.
10793         * testsuite/ver_test_4.sh: New file.
10794         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10795         (check_DATA): Add ver_test_4.syms.
10796         (ver_test_4.syms): New target.
10797         * testsuite/Makefile.in: Rebuild.
10798
10799         * output.cc
10800         (Output_section::Input_section_sort_entry::has_priority): New
10801         function.
10802         (Output_section::Input_section_sort_entry::match_file_name): New
10803         function.
10804         (Output_section::Input_section_sort_entry::match_section_name):
10805         Remove.
10806         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10807         Remove.
10808         (Output_section::Input_section_sort_entry::match_section_file):
10809         Remove.
10810         (Output_section::Input_section_sort_compare::operator()): Rewrite
10811         using new Input_section_sort_entry functions.  Sort crtbegin and
10812         crtend first.  Sort sections with no priority before sections with
10813         a priority.
10814         * testsuite/initpri1.c (d3): Check j != 4.
10815         (cd5): New constructor/destructor function.
10816         (main): Check j != 2.
10817
10818         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10819         new symbol when resolving, don't call set_is_default.
10820         * testsuite/ver_test_7.cc: New file.
10821         * testsuite/ver_test_7.sh: New file.
10822         * testsuite/Makefile.am (ver_test_7.so): New target.
10823         (ver_test_7.o): New target.
10824         (check_SCRIPTS): Add ver_test_7.sh.
10825         (check_DATA): Add ver_test_7.syms.
10826         (ver_test_7.syms): New target.
10827
10828 2008-03-28  Ian Lance Taylor  <iant@google.com>
10829
10830         * layout.cc (Layout::layout): If we see an input section with a
10831         name that needs sorting, set the must_sort flag for the output
10832         section.
10833         (Layout::make_output_section): If the name of the output section
10834         indicates that it might require sorting, set the may_sort flag.
10835         * output.h (Output_section::may_sort_attached_input_sections): New
10836         function.
10837         (Output_section::set_may_sort_attached_input_sections): New
10838         function.
10839         (Output_section::must_sort_attached_input_sections): New
10840         function.
10841         (Output_section::set_must_sort_attached_input_sections): New
10842         function.
10843         (class Output_section): Declare Input_section_sort_entry.  Define
10844         Input_section_sort_compare.  Declare
10845         sort_attached_input_sections.  Add new fields:
10846         may_sort_attached_input_sections_,
10847         must_sort_attached_input_sections_,
10848         attached_input_sections_are_sorted_.
10849         * output.cc (Output_section::Output_section): Initialize new
10850         fields.
10851         (Output_section::add_input_section): Add an entry to
10852         input_sections_ if may_sort or must_sort are true.
10853         (Output_section::set_final_data_size): Call
10854         sort_attached_input_sections if necessary.
10855         (Output_section::Input_section_sort_entry): Define new class.
10856         (Output_section::Input_section_sort_compare::operator()): New
10857         function.
10858         (Output_section::sort_attached_input_sections): New function.
10859         * configure.ac: Check whether the compiler supports constructor
10860         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10861         * testsuite/initpri1.c: New file.
10862         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10863         CONSTRUCTOR_PRIORITY.
10864         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10865         (initpri1_LDFLAGS): New variable.
10866         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10867
10868 2008-03-27  Ian Lance Taylor  <iant@google.com>
10869
10870         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10871         * testsuite/common_test_1.c: New file.
10872         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10873         (common_test_1_SOURCES): New variable.
10874         (common_test_1_DEPENDENCIES): New variable.
10875         (common_test_1_LDFLAGS): New variable.
10876
10877         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10878         and commons_ correctly when NAME/VERSION does not override
10879         NAME/NULL.
10880         * testsuite/ver_test_6.c: New file.
10881         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10882         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10883         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10884
10885 2008-03-26  Ian Lance Taylor  <iant@google.com>
10886
10887         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10888         of an undefined symbol from a version script.
10889         * testsuite/Makefile.am (ver_test_5.so): New target.
10890         (ver_test_5.o): New target.
10891         (check_SCRIPTS): Add ver_test_5.sh.
10892         (check_DATA): Add ver_test_5.syms.
10893         (ver_test_5.syms): New target.
10894         * testsuite/ver_test_5.cc: New file.
10895         * testsuite/ver_test_5.script: New file.
10896         * testsuite/ver_test_5.sh: New file.
10897         * Makefile.in, testsuite/Makefile.in: Rebuild.
10898
10899         PR gold/5986
10900         Fix problems building gold with gcc 4.3.0.
10901         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10902         (gold_error_at_location, gold_warning_at_location): Use it.
10903         * configure.ac: Check whether we can compile and use a template
10904         function with a printf attribute.
10905         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10906         when jumping over bytes.
10907         * object.cc: Instantiate Object::read_section_data.
10908         * debug.h: Include <cstring>
10909         * dwarf_reader.cc: Include <algorithm>
10910         * main.cc: Include <cstring>.
10911         * options.cc: Include <cstring>.
10912         * output.cc: Include <cstring>.
10913         * script.cc: Include <cstring>.
10914         * script.h: Include <string>.
10915         * symtab.cc: Include <cstring> and <algorithm>.
10916         * target-select.cc: Include <cstring>.
10917         * version.cc: Include <string>.
10918         * testsuite/testmain.cc: Include <cstdlib>.
10919         * configure, config.in: Rebuild.
10920
10921 2008-03-25  Ian Lance Taylor  <iant@google.com>
10922
10923         * options.cc: Include "../bfd/bfdver.h".
10924         (options::help): Print bug reporting address.
10925
10926         * version.cc (print_version): Adjust output for current value of
10927         BFD_VERSION_STRING.
10928
10929         * NEWS: New file.
10930
10931         * options.cc (options::help): Print list of supported targets.
10932         * target-select.h: Include <vector>.
10933         (class Target_selector): Make machine_, size_, and is_big_endian_
10934         fields const.  Add bfd_name_ and instantiated_target_ fields.
10935         (Target_selector::Target_selector): Add bfd_name parameter.
10936         (Target_selector::recognize): Make non-virtual, call
10937         do_recognize.
10938         (Target_selector::recognize_by_name): Make non-virtual, call
10939         do_recognize_by_name.
10940         (Target_selector::supported_names): New function.
10941         (Target_selector::bfd_name): New function.
10942         (Target_selector::do_instantiate_target): New pure virtual
10943         function.
10944         (Target_selector::do_recognize): New virtual function.
10945         (Target_selector::do_recognize_by_name): New virtual function.
10946         (Target_selector::instantiate_target): New private function.
10947         (supported_target_names): Declare.
10948         * target-select.cc (Target_selector::Target_selector): Update for
10949         new parameter and fields.
10950         (select_target_by_name): Check that the name matches before
10951         calling recognize_by_name.
10952         (supported_target_names): New function.
10953         * i386.cc (class Target_selector_i386): Update Target_selector
10954         constructor call.  Remove recognize and recognize_by_name.  Add
10955         do_instantiate_target.
10956         * x86_64.cc (class Target_selector_x86_64): Likewise.
10957         * testsuite/testfile.cc (class Target_selector_test): Update for
10958         changes to Target_selector.
10959
10960         * README: Rewrite, with some notes on unsupported features.
10961
10962 2008-03-24  Cary Coutant  <ccoutant@google.com>
10963
10964         * i386.cc (Target_i386::Got_type): New enum declaration.
10965         (Target_i386::Scan::local): Updated callers of Output_data_got
10966         member functions.
10967         (Target_i386::Scan::global): Likewise.
10968         (Target_i386::Relocate::relocate): Likewise.
10969         (Target_i386::Relocate::relocate_tls): Likewise.
10970         * object.h (Got_offset_list): New class.
10971         (Sized_relobj::local_has_got_offset): Added got_type parameter.
10972         (Sized_relobj::local_got_offset): Likewise.
10973         (Sized_relobj::set_local_got_offset): Likewise.
10974         (Sized_relobj::local_has_tls_got_offset): Removed.
10975         (Sized_relobj::local_tls_got_offset): Removed.
10976         (Sized_relobj::set_local_tls_got_offset): Removed.
10977         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
10978         * output.cc (Output_data_got::add_global): Added got_type parameter.
10979         (Output_data_got::add_global_with_rel): Likewise.
10980         (Output_data_got::add_global_with_rela): Likewise.
10981         (Output_data_got::add_global_pair_with_rel): New function.
10982         (Output_data_got::add_global_pair_with_rela): New function.
10983         (Output_data_got::add_local): Added got_type parameter.
10984         (Output_data_got::add_local_with_rel): Likewise.
10985         (Output_data_got::add_local_with_rela): Likewise.
10986         (Output_data_got::add_local_pair_with_rel): New function.
10987         (Output_data_got::add_local_pair_with_rela): New function.
10988         (Output_data_got::add_global_tls): Removed.
10989         (Output_data_got::add_global_tls_with_rel): Removed.
10990         (Output_data_got::add_global_tls_with_rela): Removed.
10991         (Output_data_got::add_local_tls): Removed.
10992         (Output_data_got::add_local_tls_with_rel): Removed.
10993         (Output_data_got::add_local_tls_with_rela): Removed.
10994         * output.h (Output_data_got::add_global): Added got_type parameter.
10995         (Output_data_got::add_global_with_rel): Likewise.
10996         (Output_data_got::add_global_with_rela): Likewise.
10997         (Output_data_got::add_global_pair_with_rel): New function.
10998         (Output_data_got::add_global_pair_with_rela): New function.
10999         (Output_data_got::add_local): Added got_type parameter.
11000         (Output_data_got::add_local_with_rel): Likewise.
11001         (Output_data_got::add_local_with_rela): Likewise.
11002         (Output_data_got::add_local_pair_with_rel): New function.
11003         (Output_data_got::add_local_pair_with_rela): New function.
11004         (Output_data_got::add_global_tls): Removed.
11005         (Output_data_got::add_global_tls_with_rel): Removed.
11006         (Output_data_got::add_global_tls_with_rela): Removed.
11007         (Output_data_got::add_local_tls): Removed.
11008         (Output_data_got::add_local_tls_with_rel): Removed.
11009         (Output_data_got::add_local_tls_with_rela): Removed.
11010         * resolve.cc (Symbol::override_base_with_special): Removed
11011         reference to has_got_offset_ field.
11012         * symtab.cc (Symbol::init_fields): Replaced initialization
11013         of got_offset_ with got_offsets_.  Removed initialization
11014         of has_got_offset_
11015         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11016         (Symbol::got_offset): Likewise.
11017         (Symbol::set_got_offset): Likewise.
11018         (Symbol::has_tls_got_offset): Removed.
11019         (Symbol::tls_got_offset): Removed.
11020         (Symbol::set_tls_got_offset): Removed.
11021         (Symbol::got_offset_): Removed.
11022         (Symbol::tls_mod_got_offset_): Removed.
11023         (Symbol::tls_pair_got_offset_): Removed.
11024         (Symbol::got_offsets_): New field.
11025         (Symbol::has_got_offset): Removed.
11026         (Symbol::has_tls_mod_got_offset): Removed.
11027         (Symbol::has_tls_pair_got_offset): Removed.
11028         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11029         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11030         member functions.
11031         (Target_x86_64::Scan::global): Likewise.
11032         (Target_x86_64::Relocate::relocate): Likewise.
11033         (Target_x86_64::Relocate::relocate_tls): Likewise.
11034
11035 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11036
11037         * yyscript.y: Fix spelling error in comment.
11038
11039 2008-03-24  Ian Lance Taylor  <iant@google.com>
11040
11041         * options.h (class General_options): Define build_id option.
11042         * layout.h (class Layout): Declare write_build_id, create_note,
11043         create_build_id.  Add build_id_note_ member.
11044         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11045         "libiberty.h", "md5.h", "sha1.h".
11046         (Layout::Layout): Initialize eh_frame_data_,
11047         eh_frame_hdr_section_, and build_id_note_.
11048         (Layout::finalize): Call create_build_id.
11049         (Layout::create_note): New function, broken out of
11050         Layout::create_gold_note.
11051         (Layout::create_gold_note): Call create_note.
11052         (Layout::create_build_id): New function.
11053         (Layout::write_build_id): New function.
11054         (Close_task_runner::run): Call write_build_id.
11055
11056         * x86_64.cc: Correct license to GPLv3.
11057
11058 2008-03-23  Ian Lance Taylor  <iant@google.com>
11059
11060         * options.cc: Include "demangle.h".
11061         (parse_optional_string): New function.
11062         (parse_long_option): Handle takes_optional_argument.
11063         (parse_short_option): Update dash_z initializer.  Handle
11064         takes_optional_argument.
11065         (General_options::General_options): Initialize do_demangle_.
11066         (General_options::finalize): Set do_demangle_.  Handle demangling
11067         style.
11068         * options.h (parse_optional_string): Declare.
11069         (struct One_option): Add optional_arg field.  Update constructor.
11070         Update call constructor calls.  Add takes_optional_argument
11071         function.
11072         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11073         (DEFINE_optional_string): Define.
11074         (General_options::demangle): Change from DEFINE_bool to
11075         DEFINE_optional_string.
11076         (General_options::no_demangle): New function.
11077         (General_options::do_demangle): New function.
11078         (General_options::set_do_demangle): New function.
11079         (General_options::execstack_status_): Move definition to end of
11080         class definition.
11081         (General_options::static_): Likewise.
11082         (General_options::do_demangle_): New field.
11083         * object.cc (big_endian>::get_symbol_location_info): Call
11084         Options::do_demangle, not Options::demangle.
11085         * symtab.cc (demangle): Likewise.
11086
11087 2008-03-22  Ian Lance Taylor  <iant@google.com>
11088
11089         * gold.h: Include <cstddef> and <sys/types.h>
11090         * options.h: Include <cstring>.
11091
11092 2008-03-21  Ian Lance Taylor  <iant@google.com>
11093
11094         * Added source code to GNU binutils.