* dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
[external/binutils.git] / gold / ChangeLog
1 2011-05-24  David Meyer  <pdox@google.com>
2
3         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
4         with name parameter.  Add found_name parameter.
5         * fileread.cc (Input_file::find_file): Adjust code accordingly.
6         * dirsearch.h (class Dirsearch): Update declaration.
7
8 2011-05-24  Ian Lance Taylor  <iant@google.com>
9
10         * archive.cc (Library_base::should_include_member): Pull in object
11         from archive if it defines the entry symbol.
12         * parameters.cc (Parameters::entry): New function.
13         * parameters.h (class Parameters): Declare entry.
14         * output.h (class Output_file_header): Remove entry_ field.
15         * output.cc (Output_file_header::Output_file_header): Remove entry
16         parameter.  Change all callers.
17         (Output_file_header::entry): Use parameters->entry.
18         * gold.cc (queue_middle_tasks): Likewise.
19         * plugin.cc (Plugin_hook::run): Likewise.
20
21 2011-05-24 Cary Coutant  <ccoutant@google.com>
22
23         * gold.cc (queue_initial_tasks): Pass incremental base filename
24         to Output_file::open_base_file; don't print error message.
25         * incremental-dump.cc (main): Adjust call to
26         Output_file::open_for_modification.
27         * incremental-dump.cc (main): Likewise.
28         * incremental.cc (Incremental_inputs::report_command_line):
29         Ignore --incremental-base option when comparing command lines.
30         Ignore parameter when given as separate argument.
31         * options.h (class General_options): Add --incremental-base.
32         * output.cc (Output_file::Output_file):
33         (Output_file::open_base_file): Add base_name and writable parameters;
34         read base file into new file; print error message here.
35         (Output_file::map_no_anonymous): Add writable parameter; adjust all
36         callers.
37         * output.h (Output_file::open_for_modification): Rename to...
38         (Output_file::open_base_file): ...this; add base_name and
39         writable parameters; adjust all callers.
40         (Output_file::map_no_anonymous): Add writable parameter; adjust all
41         callers.
42         * testsuite/Makefile.am (incremental_test_4): Test
43         --incremental-base.
44         * testsuite/Makefile.in: Regenerate.
45
46 2011-05-24 Cary Coutant  <ccoutant@google.com>
47
48         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
49         incremental_test_4.
50         * testsuite/Makefile.in: Regenerate.
51         * testsuite/two_file_test_1_v1.cc: New test source file.
52         * testsuite/two_file_test_1b_v1.cc: New test source file.
53         * testsuite/two_file_test_2_v1.cc: New test source file.
54
55 2011-05-24 Cary Coutant  <ccoutant@google.com>
56
57         * dynobj.h (Dynobj::do_dynobj): New function.
58         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
59         flag and soname for shared objects.
60         * incremental.cc (Incremental_inputs::report_object): Make
61         either Incremental_object_entry or Incremental_dynobj_entry; add
62         soname to string table.
63         (Incremental_inputs::report_input_section): Add assertion.
64         (Output_section_incremental_inputs::set_final_data_size): Adjust
65         type of input file entry for shared libraries; adjust size of
66         shared library info entry.
67         (Output_section_incremental_inputs::write_input_files): Write
68         as_needed flag for shared libraries.
69         (Output_section_incremental_inputs::write_info_blocks): Adjust type
70         of input file entry for shared libraries; write soname.
71         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
72         soname from incremental info.
73         * incremental.h (enum Incremental_input_flags): Add
74         INCREMENTAL_INPUT_AS_NEEDED.
75         (Incremental_input_entry::Incremental_input_entry): Initialize new
76         data member.
77         (Incremental_input_entry::set_as_needed): New function.
78         (Incremental_input_entry::as_needed): New function.
79         (Incremental_input_entry::do_dynobj_entry): New function.
80         (Incremental_input_entry::as_needed_): New data member.
81         (Incremental_object_entry::Incremental_object_entry): Don't check
82         for shared library.
83         (Incremental_object_entry::do_type): Likewise.
84         (class Incremental_dynobj_entry): New class.
85         (Incremental_input_entry_reader::as_needed): New function.
86         (Incremental_input_entry_reader::get_soname): New function.
87         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
88         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
89         size of shared library info entry.
90         * layout.cc (Layout::finish_dynamic_section): Don't test for 
91         incremental link when adding DT_NEEDED entries.
92         * object.h (Object::Object): Initialize new data member.
93         (Object::dynobj): New function.
94         (Object::set_as_needed): New function.
95         (Object::as_needed): New function.
96         (Object::do_dynobj): New function.
97         (Object::as_needed_): New data member.
98
99 2011-05-24 Cary Coutant  <ccoutant@google.com>
100
101         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
102         info; adjust display of GOT entries.
103         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
104         vector of input objects; remove file_status_.
105         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
106         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
107         got_plt reader; call target hooks to reserve GOT entries.
108         (Output_section_incremental_inputs::set_final_data_size): Adjust size
109         of input file info header and GOT info entry.
110         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
111         relocation info.
112         (Got_plt_view_info::got_descriptor): Remove.
113         (Got_plt_view_info::sym_index): New data member.
114         (Got_plt_view_info::input_index): New data member.
115         (Local_got_offset_visitor::visit): Write input file index.
116         (Global_got_offset_visitor::visit): Write 0 for input file index.
117         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
118         with sym_index and input_index.
119         (Output_section_incremental_inputs::write_got_plt): Adjust size of
120         incremental info GOT entry; replace got_descriptor with input_index.
121         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
122         map from input file index to object.
123         (Sized_relobj_incr::do_layout): Replace direct data member reference
124         with accessor function.
125         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
126         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
127         Adjust size of input file info header.
128         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
129         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
130         (Incremental_input_entry_reader::get_input_section): Adjust size of
131         input file info header.
132         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
133         of incremental info GOT entry.
134         (Incremental_got_plt_reader::get_got_desc): Remove.
135         (Incremental_got_plt_reader::get_got_symndx): New function.
136         (Incremental_got_plt_reader::get_got_input_index): New function.
137         (Sized_incremental_binary::Sized_incremental_binary): Remove
138         file_status_; add input_objects_.
139         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
140         (Sized_incremental_binary::set_file_is_unchanged): Remove.
141         (Sized_incremental_binary::file_is_unchanged): Remove.
142         (Sized_incremental_binary::set_input_object): New function.
143         (Sized_incremental_binary::input_object): New function.
144         (Sized_incremental_binary::file_status_): Remove.
145         (Sized_incremental_binary::input_objects_): New data member.
146         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
147         references.
148         (Sized_relobj_incr::invalid_address): Move to base class.
149         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
150         class.
151         (Sized_relobj_incr::do_output_section_offset): Likewise.
152         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
153         (Sized_relobj_incr::section_offsets_): Likewise.
154         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
155         function.
156         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
157         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
158         with accessor function.
159         (Sized_relobj_file::do_layout): Likewise.
160         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
161         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
162         (Sized_relobj_file::compute_final_local_value): Replace refs to
163         section_offsets_ with accessor function.
164         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
165         * object.h (Relobj::Relobj): Initialize new data members.
166         (Relobj::add_dyn_reloc): New function.
167         (Relobj::first_dyn_reloc): New function.
168         (Relobj::dyn_reloc_count): New function.
169         (Relobj::first_dyn_reloc_): New data member.
170         (Relobj::dyn_reloc_count_): New data member.
171         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
172         references.
173         (Sized_relobj::Address): New typedef.
174         (Sized_relobj::invalid_address): Move here from child class.
175         (Sized_relobj::Sized_relobj): Initialize new data members.
176         (Sized_relobj::sized_relobj): New function.
177         (Sized_relobj::is_output_section_offset_invalid): Move here from
178         child class.
179         (Sized_relobj::get_output_section_offset): Likewise.
180         (Sized_relobj::local_has_got_offset): Likewise.
181         (Sized_relobj::local_got_offset): Likewise.
182         (Sized_relobj::set_local_got_offset): Likewise.
183         (Sized_relobj::do_for_all_local_got_entries): Likewise.
184         (Sized_relobj::clear_got_offsets): New function.
185         (Sized_relobj::section_offsets): Move here from child class.
186         (Sized_relobj::do_output_section_offset): Likewise.
187         (Sized_relobj::do_set_section_offset): Likewise.
188         (Sized_relobj::Local_got_offsets): Likewise.
189         (Sized_relobj::local_got_offsets_): Likewise.
190         (Sized_relobj::section_offsets_): Likewise.
191         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
192         references.
193         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
194         class.
195         (Sized_relobj_file::sized_relobj): New function
196         (Sized_relobj_file::local_has_got_offset): Move to base class.
197         (Sized_relobj_file::local_got_offset): Likewise.
198         (Sized_relobj_file::set_local_got_offset): Likewise.
199         (Sized_relobj_file::get_output_section_offset): Likewise.
200         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
201         (Sized_relobj_file::do_output_section_offset): Likewise.
202         (Sized_relobj_file::do_set_section_offset): Likewise.
203         (Sized_relobj_file::Local_got_offsets): Likewise.
204         (Sized_relobj_file::local_got_offsets_): Likewise.
205         (Sized_relobj_file::section_offsets_): Likewise.
206         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
207         (all constructors).
208         (set_needs_dynsym_index): Convert relobj to derived class pointer.
209         (Output_reloc::get_symbol_index): Likewise.
210         (Output_reloc::local_section_offset): Likewise.
211         (Output_reloc::get_address): Likewise.
212         (Output_reloc::symbol_value): Likewise.
213         (Output_data_got::reserve_slot): Move to class definition.
214         (Output_data_got::reserve_local): New function.
215         (Output_data_got::reserve_slot_for_global): Remove.
216         (Output_data_got::reserve_global): New function.
217         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
218         (all constructors, two instantiations).
219         (Output_reloc::get_relobj): New function (two instantiations).
220         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
221         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
222         (Output_data_reloc::add_global): Adjust type of relobj.
223         (Output_data_reloc::add_global_relative): Likewise.
224         (Output_data_reloc::add_symbolless_global_addend): Likewise.
225         (Output_data_reloc::add_local): Likewise.
226         (Output_data_reloc::add_local_relative): Likewise.
227         (Output_data_reloc::add_symbolless_local_addend): Likewise.
228         (Output_data_reloc::add_local_section): Likewise.
229         (Output_data_reloc::add_output_section): Likewise.
230         (Output_data_reloc::add_absolute): Likewise.
231         (Output_data_reloc::add_target_specific): Likewise.
232         (Output_data_got::reserve_slot): Move definition here.
233         (Output_data_got::reserve_local): New function.
234         (Output_data_got::reserve_global): New function.
235         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
236         section_offsets_ with accessor function.
237         (Sized_relobj_file::write_sections): Likewise.
238         (Sized_relobj_file::do_relocate_sections): Likewise.
239         * target.h (Sized_target::reserve_local_got_entry): New function.
240         (Sized_target::reserve_global_got_entry): New function.
241         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
242         (Target_x86_64::reserve_global_got_entry): New function.
243         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
244
245 2011-05-23 Cary Coutant  <ccoutant@google.com>
246
247         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
248         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
249         bit when checking got_type.
250         * incremental.cc (Sized_incremental_binary::setup_readers):
251         Store symbol table and string table locations; initialize bit vector
252         of file status flags.
253         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
254         unchanged files.
255         (Sized_incremental_binary::do_process_got_plt): New function.
256         (Sized_incremental_binary::get_symtab_view): Use stored locations.
257         (Output_section_incremental_inputs::set_final_data_size): Record
258         file index for each input file.
259         (Output_section_incremental_inputs::write_got_plt): Store file index
260         instead of input entry offset for each GOT entry.
261         * incremental.h
262         (Incremental_input_entry::Incremental_input_entry): Initialize new
263         data member.
264         (Incremental_input_entry::set_offset): Store file index.
265         (Incremental_input_entry::get_file_index): New function.
266         (Incremental_input_entry::file_index_): New data member.
267         (Incremental_binary::process_got_plt): New function.
268         (Incremental_binary::do_process_got_plt): New function.
269         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
270         data members.
271         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
272         (Sized_incremental_binary::set_file_is_unchanged): New function.
273         (Sized_incremental_binary::file_is_unchanged): New function.
274         (Sized_incremental_binary::do_process_got_plt): New function.
275         (Sized_incremental_binary::file_status_): New data member.
276         (Sized_incremental_binary::main_symtab_loc_): New data member.
277         (Sized_incremental_binary::main_strtab_loc_): New data member.
278         * output.cc (Output_data_got::Got_entry::write): Add case
279         RESERVED_CODE.
280         (Output_data_got::add_global): Call add_got_entry.
281         (Output_data_got::add_global_plt): Likewise.
282         (Output_data_got::add_global_with_rel): Likewise.
283         (Output_data_got::add_global_with_rela): Likewise.
284         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
285         (Output_data_got::add_global_pair_with_rela): Likewise.
286         (Output_data_got::add_local): Call add_got_entry.
287         (Output_data_got::add_local_plt): Likewise.
288         (Output_data_got::add_local_with_rel): Likewise.
289         (Output_data_got::add_local_with_rela): Likewise.
290         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
291         (Output_data_got::add_local_pair_with_rela): Likewise.
292         (Output_data_got::reserve_slot): New function.
293         (Output_data_got::reserve_slot_for_global): New function.
294         (Output_data_got::add_got_entry): New function.
295         (Output_data_got::add_got_entry_pair): New function.
296         (Output_section::add_output_section_data): Edit FIXME.
297         * output.h
298         (Output_section_data_build::Output_section_data_build): New
299         constructor with size parameter.
300         (Output_data_space::Output_data_space): Likewise.
301         (Output_data_got::Output_data_got): Initialize new data member; new
302         constructor with size parameter.
303         (Output_data_got::add_constant): Call add_got_entry.
304         (Output_data_got::reserve_slot): New function.
305         (Output_data_got::reserve_slot_for_global): New function.
306         (class Output_data_got::Got_entry): Add RESERVED_CODE.
307         (Output_data_got::add_got_entry): New function.
308         (Output_data_got::add_got_entry_pair): New function.
309         (Output_data_got::free_list_): New data member.
310         * target.h (Sized_target::init_got_plt_for_update): New function.
311         (Sized_target::register_global_plt_entry): New function.
312         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
313         Initialize new data member; call init; add constructor with PLT count.
314         (Output_data_plt_x86_64::init): New function.
315         (Output_data_plt_x86_64::add_relocation): New function.
316         (Output_data_plt_x86_64::reserve_slot): New function.
317         (Output_data_plt_x86_64::free_list_): New data member.
318         (Target_x86_64::init_got_plt_for_update): New function.
319         (Target_x86_64::register_global_plt_entry): New function.
320         (Output_data_plt_x86_64::add_entry): Allocate from free list for
321         incremental updates.
322         (Output_data_plt_x86_64::add_relocation): New function.
323         * testsuite/object_unittest.cc (Object_test): Set default options.
324
325 2011-05-16  Ian Lance Taylor  <iant@google.com>
326
327         * options.h (class General_options): Make -i a synonym for -r.
328
329 2011-05-16  Ian Lance Taylor  <iant@google.com>
330
331         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
332
333 2011-05-10 Cary Coutant  <ccoutant@google.com>
334
335         * object.cc (Sized_relobj::do_count_local_symbols): Check for
336         strip_all (-s).
337
338 2011-05-06  Ian Lance Taylor  <iant@google.com>
339
340         * layout.cc (Layout::layout): If the output section flags change,
341         update the ordering.
342
343 2011-04-25 Cary Coutant  <ccoutant@google.com>
344
345         * incremental-dump.cc (dump_incremental_inputs): Print local
346         symbol info for each input file.
347         * incremental.cc
348         (Output_section_incremental_inputs::set_final_data_size): Add local
349         symbol info to input file entries in incremental info.
350         (Output_section_incremental_inputs::write_info_blocks): Likewise.
351         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
352         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
353         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
354         implementation.
355         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
356         (Sized_incr_relobj::do_relocate): Write the local symbols.
357         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
358         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
359         Adjust size of input file header.
360         (Incremental_inputs_reader::get_local_symbol_offset): New function.
361         (Incremental_inputs_reader::get_local_symbol_count): New function.
362         (Incremental_inputs_reader::get_input_section): Adjust size of input
363         file header.
364         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
365         (Sized_incr_relobj::This): New typedef.
366         (Sized_incr_relobj::sym_size): New const data member.
367         (Sized_incr_relobj::Local_symbol): New struct.
368         (Sized_incr_relobj::do_output_local_symbol_count): New function.
369         (Sized_incr_relobj::do_local_symbol_offset): New function.
370         (Sized_incr_relobj::local_symbol_count_): New data member.
371         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
372         (Sized_incr_relobj::local_symbol_index_): New data member.
373         (Sized_incr_relobj::local_symbol_offset_): New data member.
374         (Sized_incr_relobj::local_dynsym_offset_): New data member.
375         (Sized_incr_relobj::local_symbols_): New data member.
376         * object.h (Relobj::output_local_symbol_count): New function.
377         (Relobj::local_symbol_offset): New function.
378         (Relobj::do_output_local_symbol_count): New function.
379         (Relobj::do_local_symbol_offset): New function.
380         (Sized_relobj::do_output_local_symbol_count): New function.
381         (Sized_relobj::do_local_symbol_offset): New function.
382
383 2011-04-22  Vladimir Simonov  <sv@sw.ru>
384
385         * descriptors.cc (set_close_on_exec): New function.
386         (Descriptors::open): Use set_close_on_exec.
387         * output.cc (S_ISLNK): Define if not defined.
388
389 2011-04-22 Cary Coutant  <ccoutant@google.com>
390
391         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
392         global symbol map.
393         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
394         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
395         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
396         relocations.
397         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
398         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
399         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
400         * incremental.h
401         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
402         function.
403         (Incremental_binary::apply_incremental_relocs): New function.
404         (Incremental_binary::do_apply_incremental_relocs): New function.
405         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
406         data member.
407         (Sized_incremental_binary::add_global_symbol): New function.
408         (Sized_incremental_binary::global_symbol): New function.
409         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
410         (Sized_incremental_binary::symbol_map_): New data member.
411         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
412         * target.h (Sized_target::apply_relocation): New function.
413         * target-reloc.h (apply_relocation): New function.
414         * x86_64.cc (Target_x86_64::apply_relocation): New function.
415
416 2011-04-22  Doug Kwan  <dougkwan@google.com>
417
418         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
419         flag of a SHT_ARM_EXIDX section.
420         * testsuite/Makefile.am (arm_exidx_test): New test rules.
421         * testsuite/Makefile.in: Regenerate.
422         * testsuite/arm_exidx_test.s: New file.
423         * testsuite/arm_exidx_test.sh: Same.
424
425 2011-04-20 Cary Coutant  <ccoutant@google.com>
426
427         PR gold/12689
428         * archive.h (Incremental_archive_entry::Archive_member):
429         Initialize arg_serial_ (second constructor).
430
431 2011-04-17  Ian Lance Taylor  <iant@google.com>
432
433         * object.cc (Relocate_info::location): Simplify location string.
434         * errors.cc (Errors::error_at_location): Don't print program
435         name.
436         (Errors::warning_at_location): Likewise.
437         (Errors::undefined_symbol): Likewise.
438         * testsuite/debug_msg.sh: Update accordingly.
439
440 2011-04-14 Cary Coutant  <ccoutant@google.com>
441
442         * gold/layout.cc (Layout::symtab_section_offset): New function.
443         * gold/layout.h (Layout::symtab_section_offset): New function.
444         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
445
446 2011-04-12  Ian Lance Taylor  <iant@google.com>
447
448         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
449         with MREMAP_MAYMOVE.
450         * output.h (class Output_file): Add map_is_allocated_ field.
451         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
452         not available, provide stubs.  If mremap is not available, #define
453         it to gold_mremap.
454         (MREMAP_MAYMOVE): Define if not defined.
455         (Output_file::Output_file): Initialize map_is_allocated_.
456         (Output_file::resize): Check map_is_allocated_.
457         (Output_file::map_anonymous): If mmap fails, use malloc.
458         (Output_file::unmap): Don't do anything for an anonymous map.
459         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
460         is not available, provide stubs.
461         (File_read::View::~View): Use free rather than delete[].
462         (File_read::make_view): Use malloc rather than new[].  If mmap
463         fails, use malloc.
464         (File_read::find_or_make_view): Use malloc rather than new[].
465         * gold.h: Remove HAVE_REMAP code.
466         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
467         exists.  Rename mremap to gold_mremap.  If mmap is not available
468         don't do anything.
469         * configure, config.in: Rebuild.
470
471 2011-04-11  Ian Lance Taylor  <iant@google.com>
472
473         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
474         initialize local variable v.
475
476 2011-04-11  Cary Coutant  <ccoutant@google.com>
477
478         * archive.cc (Archive::include_member): Adjust call to
479         report_object.
480         (Add_archive_symbols::run): Track argument serial numbers.
481         (Lib_group::include_member): Likewise.
482         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
483         * archive.h (Incremental_archive_entry::Archive_member):
484         Initialize arg_serial_.
485         (Archive_member::arg_serial_): New data member.
486         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
487         (Sized_dynobj::do_add_symbols): Track symbols when doing an
488         incremental link.
489         (Sized_dynobj::do_for_all_local_got_entries): New function.
490         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
491         function.
492         * fileread.cc (get_mtime): New function.
493         * fileread.h (get_mtime): New function.
494         * gold.cc (queue_initial_tasks): Check for incremental update.
495         (process_incremental_input): New function.
496         (queue_middle_tasks): Don't force valid target for incremental
497         update.
498         * incremental-dump.cc (find_input_containing_global): Adjust
499         size of symbol info entry.
500         (dump_incremental_inputs): Dump argument serial number and
501         in_system_directory flag; bias shndx by 1; print symbol names
502         when dumping per-file symbol lists; use new symbol info readers.
503         * incremental.cc
504         (Output_section_incremental_inputs:update_data_size): New function.
505         (Sized_incremental_binary::setup_readers): Setup input readers
506         for each input file; build maps for files added from libraries
507         and scripts.
508         (Sized_incremental_binary::check_input_args): New function.
509         (Sized_incremental_binary::do_check_inputs): Build map of argument
510         serial numbers to input arguments.
511         (Sized_incremental_binary::do_file_has_changed): Rename
512         do_file_is_unchanged to this; compare file modification times.
513         (Sized_incremental_binary::do_init_layout): New function.
514         (Sized_incremental_binary::do_reserve_layout): New function.
515         (Sized_incremental_binary::do_get_input_reader): Remove.
516         (Sized_incremental_binary::get_symtab_view): New function.
517         (Incremental_checker::can_incrementally_link_output_file): Remove.
518         (Incremental_inputs::report_command_line): Exclude --debug options.
519         (Incremental_inputs::report_archive_begin): Add parameter; track
520         argument serial numbers; don't put input file entry for archive
521         before archive members.
522         (Incremental_inputs::report_archive_end): Put input file entry
523         for archive after archive members.
524         (Incremental_inputs::report_object): Add parameter; track argument
525         serial numbers and in_system_directory flag.
526         (Incremental_inputs::report_script): Add parameter; track argument
527         serial numbers.
528         (Output_section_incremental_inputs::set_final_data_size): Adjust
529         size of symbol info entry; check for forwarding symbols.
530         (Output_section_incremental_inputs::write_input_files): Write
531         in_system_directory flag and argument serial number.
532         (Output_section_incremental_inputs::write_info_blocks): Map section
533         indices between incremental info and original input file; store
534         input section index for each symbol.
535         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
536         change operator() to visit().
537         (class Global_got_offset_visitor): Likewise.
538         (class Global_symbol_visitor_got_plt):
539         (Output_section_incremental_inputs::write_got_plt): Use new visitor
540         classes.
541         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
542         (Sized_incr_relobj::do_read_symbols): New function.
543         (Sized_incr_relobj::do_layout): New function.
544         (Sized_incr_relobj::do_layout_deferred_sections): New function.
545         (Sized_incr_relobj::do_add_symbols): New function.
546         (Sized_incr_relobj::do_should_include_member): New function.
547         (Sized_incr_relobj::do_for_all_global_symbols): New function.
548         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
549         (Sized_incr_relobj::do_section_size): New function.
550         (Sized_incr_relobj::do_section_name): New function.
551         (Sized_incr_relobj::do_section_contents): New function.
552         (Sized_incr_relobj::do_section_flags): New function.
553         (Sized_incr_relobj::do_section_entsize): New function.
554         (Sized_incr_relobj::do_section_address): New function.
555         (Sized_incr_relobj::do_section_type): New function.
556         (Sized_incr_relobj::do_section_link): New function.
557         (Sized_incr_relobj::do_section_info): New function.
558         (Sized_incr_relobj::do_section_addralign): New function.
559         (Sized_incr_relobj::do_initialize_xindex): New function.
560         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
561         (Sized_incr_relobj::do_read_relocs): New function.
562         (Sized_incr_relobj::do_gc_process_relocs): New function.
563         (Sized_incr_relobj::do_scan_relocs): New function.
564         (Sized_incr_relobj::do_count_local_symbols): New function.
565         (Sized_incr_relobj::do_finalize_local_symbols): New function.
566         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
567         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
568         (Sized_incr_relobj::do_relocate): New function.
569         (Sized_incr_relobj::do_set_section_offset): New function.
570         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
571         (Sized_incr_dynobj::do_read_symbols): New function.
572         (Sized_incr_dynobj::do_layout): New function.
573         (Sized_incr_dynobj::do_add_symbols): New function.
574         (Sized_incr_dynobj::do_should_include_member): New function.
575         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
576         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
577         (Sized_incr_dynobj::do_section_size): New function.
578         (Sized_incr_dynobj::do_section_name): New function.
579         (Sized_incr_dynobj::do_section_contents): New function.
580         (Sized_incr_dynobj::do_section_flags): New function.
581         (Sized_incr_dynobj::do_section_entsize): New function.
582         (Sized_incr_dynobj::do_section_address): New function.
583         (Sized_incr_dynobj::do_section_type): New function.
584         (Sized_incr_dynobj::do_section_link): New function.
585         (Sized_incr_dynobj::do_section_info): New function.
586         (Sized_incr_dynobj::do_section_addralign): New function.
587         (Sized_incr_dynobj::do_initialize_xindex): New function.
588         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
589         (make_sized_incremental_object): New function.
590         (Incremental_library::copy_unused_symbols): New function.
591         (Incremental_library::do_for_all_unused_symbols): New function.
592         * incremental.h (enum Incremental_input_flags): New type.
593         (class Incremental_checker): Remove.
594         (Incremental_input_entry::Incremental_input_entry): Add argument
595         serial number.
596         (Incremental_input_entry::arg_serial): New function.
597         (Incremental_input_entry::set_is_in_system_directory): New function.
598         (Incremental_input_entry::is_in_system_directory): New function.
599         (Incremental_input_entry::arg_serial_): New data member.
600         (Incremental_input_entry::is_in_system_directory_): New data member.
601         (class Script_info): Move here from script.h.
602         (Script_info::Script_info): Add filename parameter.
603         (Script_info::filename): New function.
604         (Script_info::filename_): New data member.
605         (Incremental_script_entry::Incremental_script_entry): Add argument
606         serial number.
607         (Incremental_object_entry::Incremental_object_entry): Likewise.
608         (Incremental_object_entry::add_input_section): Build list of input
609         sections with map to original shndx.
610         (Incremental_object_entry::get_input_section_index): New function.
611         (Incremental_object_entry::shndx_): New data member.
612         (Incremental_object_entry::name_key_): Rename; adjust all refs.
613         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
614         (Incremental_archive_entry::Incremental_archive_entry): Add argument
615         serial number.
616         (Incremental_inputs::report_archive_begin): Likewise.
617         (Incremental_inputs::report_object): Likewise.
618         (Incremental_inputs::report_script): Likewise.
619         (class Incremental_global_symbol_reader): New class.
620         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
621         and store flags and input file type.
622         (Incremental_input_entry_reader::arg_serial): New function.
623         (Incremental_input_entry_reader::type): Extract type from flags.
624         (Incremental_input_entry_reader::is_in_system_directory): New function.
625         (Incremental_input_entry_reader::get_input_section_count): Call
626         accessor function for type.
627         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
628         function for type; adjust size of global symbol entry.
629         (Incremental_input_entry_reader::get_global_symbol_count): Call
630         accessor function for type.
631         (Incremental_input_entry_reader::get_object_count): Likewise.
632         (Incremental_input_entry_reader::get_object_offset): Likewise.
633         (Incremental_input_entry_reader::get_member_count): Likewise.
634         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
635         (Incremental_input_entry_reader::get_member_offset): Likewise.
636         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
637         (Incremental_input_entry_reader::Global_symbol_info): Remove.
638         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
639         (Incremental_input_entry_reader::get_global_symbol_reader): New
640         function.
641         (Incremental_input_entry_reader::get_output_symbol_index): New
642         function.
643         (Incremental_input_entry_reader::type_): Remove.
644         (Incremental_input_entry_reader::flags_): New data member.
645         (Incremental_inputs_reader::input_file_offset): New function.
646         (Incremental_inputs_reader::input_file_index): New function.
647         (Incremental_inputs_reader::input_file): Call input_file_offset.
648         (Incremental_inputs_reader::input_file_at_offset): New function.
649         (Incremental_relocs_reader::get_r_type): Reformat.
650         (Incremental_relocs_reader::get_r_shndx): Reformat.
651         (Incremental_relocs_reader::get_r_offset): Reformat.
652         (Incremental_relocs_reader::data): New function.
653         (Incremental_binary::Incremental_binary): Initialize new data members.
654         (Incremental_binary::check_inputs): Add cmdline parameter.
655         (Incremental_binary::file_is_unchanged): Remove.
656         (Input_reader::arg_serial): New function.
657         (Input_reader::get_unused_symbol_count): New function.
658         (Input_reader::get_unused_symbol): New function.
659         (Input_reader::do_arg_serial): New function.
660         (Input_reader::do_get_unused_symbol_count): New function.
661         (Input_reader::do_get_unused_symbol): New function.
662         (Incremental_binary::input_file_count): New function.
663         (Incremental_binary::get_input_reader): Change signature to use
664         index instead of filename.
665         (Incremental_binary::file_has_changed): New function.
666         (Incremental_binary::get_input_argument): New function.
667         (Incremental_binary::get_library): New function.
668         (Incremental_binary::get_script_info): New function.
669         (Incremental_binary::init_layout): New function.
670         (Incremental_binary::reserve_layout): New function.
671         (Incremental_binary::output_file): New function.
672         (Incremental_binary::do_check_inputs): New function.
673         (Incremental_binary::do_file_is_unchanged): Remove.
674         (Incremental_binary::do_file_has_changed): New function.
675         (Incremental_binary::do_init_layout): New function.
676         (Incremental_binary::do_reserve_layout): New function.
677         (Incremental_binary::do_input_file_count): New function.
678         (Incremental_binary::do_get_input_reader): Change signature.
679         (Incremental_binary::input_args_map_): New data member.
680         (Incremental_binary::library_map_): New data member.
681         (Incremental_binary::script_map_): New data member.
682         (Sized_incremental_binary::Sized_incremental_binary): Initialize
683         new data members.
684         (Sized_incremental_binary::output_section): New function.
685         (Sized_incremental_binary::inputs_reader): Add const.
686         (Sized_incremental_binary::symtab_reader): Add const.
687         (Sized_incremental_binary::relocs_reader): Add const.
688         (Sized_incremental_binary::got_plt_reader): Add const.
689         (Sized_incremental_binary::get_symtab_view): New function.
690         (Sized_incremental_binary::Inputs_reader): New typedef.
691         (Sized_incremental_binary::Input_entry_reader): New typedef.
692         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
693         (Sized_incremental_binary::do_file_is_unchanged): Remove.
694         (Sized_incremental_binary::do_file_has_changed): New function.
695         (Sized_incremental_binary::do_init_layout): New function.
696         (Sized_incremental_binary::do_reserve_layout): New function.
697         (Sized_input_reader::Inputs_reader): Remove.
698         (Sized_input_reader::Input_entry_reader): Remove.
699         (Sized_input_reader::do_arg_serial): New function.
700         (Sized_input_reader::do_get_unused_symbol_count): New function.
701         (Sized_input_reader::do_get_unused_symbol): New function.
702         (Sized_incremental_binary::do_input_file_count): New function.
703         (Sized_incremental_binary::do_get_input_reader): Change signature;
704         use index instead of filename.
705         (Sized_incremental_binary::section_map_): New data member.
706         (Sized_incremental_binary::input_entry_readers_): New data member.
707         (class Sized_incr_relobj): New class.
708         (class Sized_incr_dynobj): New class.
709         (make_sized_incremental_object): New function.
710         (class Incremental_library): New class.
711         * layout.cc (Free_list::num_lists): New static data member.
712         (Free_list::num_nodes): New static data member.
713         (Free_list::num_removes): New static data member.
714         (Free_list::num_remove_visits): New static data member.
715         (Free_list::num_allocates): New static data member.
716         (Free_list::num_allocate_visits): New static data member.
717         (Free_list::init): New function.
718         (Free_list::remove): New function.
719         (Free_list::allocate): New function.
720         (Free_list::dump): New function.
721         (Free_list::print_stats): New function.
722         (Layout_task_runner::run): Resize output file for incremental updates.
723         (Layout::Layout): Initialize new data members.
724         (Layout::set_incremental_base): New function.
725         (Layout::init_fixed_output_section): New function.
726         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
727         incremental updates.
728         (Layout::create_gold_note): Do not create gold note section for
729         incremental updates.
730         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
731         for incremental updates.
732         (Layout::set_section_offsets): For incremental updates, allocate space
733         from free list.
734         (Layout::create_symtab_sections): Layout with offsets relative to
735         start of section; for incremental updates, allocate space from free
736         list.
737         (Layout::create_shdrs): For incremental updates, allocate space from
738         free list.
739         (Layout::finish_dynamic_section): For incremental updates, do not
740         check --as-needed (fixed in subsequent patch).
741         * layout.h (class Free_list): New class.
742         (Layout::set_incremental_base): New function.
743         (Layout::incremental_base): New function.
744         (Layout::init_fixed_output_section): New function.
745         (Layout::allocate): New function.
746         (Layout::incremental_base_): New data member.
747         (Layout::free_list_): New data member.
748         * main.cc (main): Print Free_list statistics.
749         * object.cc (Relobj::finalize_incremental_relocs): Add
750         clear_counts parameter; clear counts only when clear_counts is set.
751         (Sized_relobj::Sized_relobj): Initialize new base class.
752         (Sized_relobj::do_layout): Don't report special sections.
753         (Sized_relobj::do_for_all_local_got_entries): New function.
754         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
755         symtab_off to all symbol table offsets.
756         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
757         * object.h (class Got_offset_list): Move to top of file.
758         (Object::Object): Allow case where input_file == NULL.
759         (Object::~Object): Likewise.
760         (Object::input_file): Assert that input_file != NULL.
761         (Object::lock): Allow case where input_file == NULL.
762         (Object::unlock): Likewise.
763         (Object::is_locked): Likewise.
764         (Object::token): Likewise.
765         (Object::release): Likewise.
766         (Object::is_incremental): New function.
767         (Object::get_mtime): New function.
768         (Object::for_all_local_got_entries): New function.
769         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
770         (Object::set_is_in_system_directory): New function.
771         (Object::is_in_system_directory): New function.
772         (Object::do_is_incremental): New function.
773         (Object::do_get_mtime): New function.
774         (Object::do_for_all_local_got_entries): New function.
775         (Object::is_in_system_directory_): New data member.
776         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
777         (class Sized_relobj_base): New class.
778         (class Sized_relobj): Derive from Sized_relobj_base.
779         (class Sized_relobj::Symbols): Redeclare from base class.
780         (class Sized_relobj::local_got_offset_list): Remove.
781         (class Sized_relobj::Output_sections): Redeclare from base class.
782         (class Sized_relobj::do_for_all_local_got_entries): New function.
783         (class Sized_relobj::write_local_symbols): Add offset parameter.
784         (class Sized_relobj::local_symbol_offset_): Update comment.
785         (class Sized_relobj::local_dynsym_offset_): Update comment.
786         * options.cc (Input_arguments::add_file): Remove const.
787         * options.h (Input_file_argument::Input_file_argument):
788         Initialize arg_serial_ (all constructors).
789         (Input_file_argument::set_arg_serial): New function.
790         (Input_file_argument::arg_serial): New function.
791         (Input_file_argument::arg_serial_): New data member.
792         (Input_arguments::Input_arguments): Initialize file_count_.
793         (Input_arguments::add_file): Remove const.
794         (Input_arguments::number_of_input_files): New function.
795         (Input_arguments::file_count_): New data member.
796         (Command_line::number_of_input_files): Call
797         Input_arguments::number_of_input_files.
798         * output.cc (Output_segment_headers::Output_segment_headers):
799         Set current size.
800         (Output_section::Input_section::current_data_size): New function.
801         (Output_section::Output_section): Initialize new data members.
802         (Output_section::add_input_section): Don't do merge sections for
803         an incremental link; allocate space from free list for an
804         incremental update.
805         (Output_section::add_output_section_data): Allocate space from
806         free list for an incremental update.
807         (Output_section::update_data_size): New function.
808         (Output_section::set_fixed_layout): New function.
809         (Output_section::reserve): New function.
810         (Output_segment::set_section_addresses): Remove const.
811         (Output_segment::set_section_list_addresses): Remove const; allocate
812         space from free list for an incremental update.
813         (Output_segment::set_offset): Adjust size of RELRO segment for an
814         incremental update.
815         * output.h (Output_data::current_data_size): Move here from
816         child classes.
817         (Output_data::pre_finalize_data_size): New function.
818         (Output_data::update_data_size): New function.
819         (Output_section_headers::update_data_size): new function.
820         (Output_section_data_build::current_data_size): Move to Output_data.
821         (Output_data_strtab::update_data_size): New function.
822         (Output_section::current_data_size): Move to Output_data.
823         (Output_section::set_fixed_layout): New function.
824         (Output_section::has_fixed_layout): New function.
825         (Output_section::reserve): New function.
826         (Output_section::update_data_size): New function.
827         (Output_section::has_fixed_layout_): New data member.
828         (Output_section::free_list_): New data member.
829         (Output_segment::set_section_addresses): Remove const.
830         (Output_segment::set_section_list_addresses): Remove const.
831         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
832         New function.
833         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
834         New function.
835         * readsyms.cc (Read_symbols::do_read_symbols): Add library
836         parameter when calling Add_symbols constructor; store argument
837         serial number for members of a lib group.
838         (Add_symbols::locks): Allow case where token == NULL.
839         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
840         (Read_member::~Read_member): New function.
841         (Read_member::is_runnable): New function.
842         (Read_member::locks): New function.
843         (Read_member::run): New function.
844         (Check_script::~Check_script): New function.
845         (Check_script::is_runnable): New function.
846         (Check_script::locks): New function.
847         (Check_script::run): New function.
848         (Check_library::~Check_library): New function.
849         (Check_library::is_runnable): New function.
850         (Check_library::locks): New function.
851         (Check_library::run): New function.
852         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
853         (Add_symbols::library_): New data member.
854         (class Read_member): New class.
855         (class Check_script): New class.
856         (class Check_library): New class.
857         * reloc.cc (Read_relocs::is_runnable): Allow case where
858         token == NULL.
859         (Read_relocs::locks): Likewise.
860         (Scan_relocs::locks): Likewise.
861         (Relocate_task::locks): Likewise.
862         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
863         to clear counters.
864         (Sized_relobj::incremental_relocs_scan): Fix comment.
865         (Sized_relobj::do_relocate): Pass output file offset to
866         write_local_symbols.
867         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
868         from class declaration.
869         * script.cc (read_input_script): Allocate Script_info; pass
870         argument serial number to report_script.
871         * script.h (class Script_info): Move to incremental.h.
872         * symtab.cc (Symbol_table::add_from_incrobj): New function.
873         * symtab.h (Symbol_table::add_from_incrobj): New function.
874         (Symbol_table::set_file_offset): New function.
875
876 2011-04-05  Cary Coutant  <ccoutant@google.com>
877
878         * incremental-dump.cc (dump_incremental_inputs): Change signature
879         to take a Sized_incremental_binary; change caller.  Use readers
880         in Sized_incremental_binary.
881         * incremental.cc
882         (Sized_incremental_binary::find_incremental_inputs_sections):
883         Rename do_find_incremental_inputs_sections to this.
884         (Sized_incremental_binary::setup_readers): New function.
885         (Sized_incremental_binary::do_check_inputs): Check
886         has_incremental_info_ flag; move setup code to setup_readers;
887         use input readers.
888         (Sized_incremental_binary::do_file_is_unchanged): New function.
889         (Sized_incremental_binary::do_get_input_reader): New function.
890         * incremental.h (class Incremental_binary): Move to end of file.
891         (Incremental_binary::file_is_unchanged): New function.
892         (Incremental_binary::do_file_is_unchanged): New function.
893         (Incremental_binary::Input_reader): New class.
894         (Incremental_binary::get_input_reader): New function.
895         (class Sized_incremental_binary): Move to end of file.
896         (Sized_incremental_binary::Sized_incremental_binary): Setup the
897         input section reader classes.
898         (Sized_incremental_binary::has_incremental_info): New function.
899         (Sized_incremental_binary::inputs_reader): New function.
900         (Sized_incremental_binary::symtab_reader): New function.
901         (Sized_incremental_binary::relocs_reader): New function.
902         (Sized_incremental_binary::got_plt_reader): New function.
903         (Sized_incremental_binary::do_file_is_unchanged): New function.
904         (Sized_incremental_binary::Sized_input_reader): New class.
905         (Sized_incremental_binary::get_input_reader): New function.
906         (Sized_incremental_binary::find_incremental_inputs_sections):
907         Rename do_find_incremental_inputs_sections to this.
908         (Sized_incremental_binary::setup_readers): New function.
909         (Sized_incremental_binary::has_incremental_info_): New data member.
910         (Sized_incremental_binary::inputs_reader_): New data member.
911         (Sized_incremental_binary::symtab_reader_): New data member.
912         (Sized_incremental_binary::relocs_reader_): New data member.
913         (Sized_incremental_binary::got_plt_reader_): New data member.
914         (Sized_incremental_binary::current_input_file_): New data member.
915
916 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
917
918         PR gold/12640
919         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
920         violation.
921
922 2011-03-30  Cary Coutant  <ccoutant@google.com>
923
924         * archive.cc (Archive::include_member): Adjust call to report_object.
925         (Add_archive_symbols::run): Add script_info to call to
926         report_archive_begin.
927         (Lib_group::include_member): Adjust call to report_object.
928         (Add_lib_group_symbols::run): Adjust call to report_object.
929         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
930         blocks.  Add object count for script input files.
931         * incremental.cc (Incremental_inputs::report_archive_begin): Add
932         script_info parameter; change all callers.
933         (Incremental_inputs::report_object): Add script_info parameter;
934         change all callers.
935         (Incremental_inputs::report_script): Store backpointer to
936         incremental info entry.
937         (Output_section_incremental_inputs::set_final_data_size): Record
938         additional information for scripts.
939         (Output_section_incremental_inputs::write_info_blocks): Likewise.
940         * incremental.h (Incremental_script_entry::add_object): New function.
941         (Incremental_script_entry::get_object_count): New function.
942         (Incremental_script_entry::get_object): New function.
943         (Incremental_script_entry::objects_): New data member; adjust
944         constructor.
945         (Incremental_inputs::report_archive_begin): Add script_info parameter.
946         (Incremental_inputs::report_object): Add script_info parameter.
947         (Incremental_inputs_reader::get_object_count): New function.
948         (Incremental_inputs_reader::get_object_offset): New function.
949         * options.cc (Input_arguments::add_file): Return reference to
950         new input argument.
951         * options.h (Input_argument::set_script_info): New function.
952         (Input_argument::script_info): New function.
953         (Input_argument::script_info_): New data member; adjust all
954         constructors.
955         (Input_file_group::add_file): Return reference to new input argument.
956         (Input_file_lib::add_file): Likewise.
957         (Input_arguments::add_file): Likewise.
958         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
959         * script.cc (Parser_closure::Parser_closure): Add script_info
960         parameter; adjust all callers.
961         (Parser_closure::script_info): New function.
962         (Parser_closure::script_info_): New data member.
963         (read_input_script): Report scripts earlier to incremental info.
964         (script_add_file): Set script_info in Input_argument.
965         (script_add_library): Likewise.
966         * script.h (Script_options::Script_info): Rewrite class.
967
968 2011-03-29  Cary Coutant  <ccoutant@google.com>
969
970         * archive.cc (Library_base::should_include_member): Move
971         method here from class Archive.
972         (Archive::Archive): Initialize base class.
973         (Archive::should_include_member): Move to base class.
974         (Archive::do_for_all_unused_symbols): New function.
975         (Add_archive_symbols::run): Remove redundant access to
976         incremental_inputs.
977         (Lib_group::Lib_group): Initialize base class.
978         (Lib_group::do_filename): New function.
979         (Lib_group::include_member): Pass pointer to Lib_group to
980         report_object.
981         (Lib_group::do_for_all_unused_symbols): New function.
982         (Add_lib_group_symbols::run): Report archive information for
983         incremental links.
984         * archive.h (class Library_base): New base class.
985         (class Archive): Derive from Library_base.
986         (Archive::filename): Move to base class.
987         (Archive::set_incremental_info): Likewise.
988         (Archive::incremental_info): Likewise.
989         (Archive::Should_include): Likewise.
990         (Archive::should_include_member): Likewise.
991         (Archive::Armap_entry): Remove.
992         (Archive::Unused_symbol_iterator): Remove.
993         (Archive::unused_symbols_begin): Remove.
994         (Archive::unused_symbols_end): Remove.
995         (Archive::do_filename): New function.
996         (Archive::do_get_mtime): New function.
997         (Archive::do_for_all_unused_symbols): New function.
998         (Archive::task_): Move to base class.
999         (Archive::incremental_info_): Likewise.
1000         (class Lib_group): Derive from Library_base.
1001         (Lib_group::do_filename): New function.
1002         (Lib_group::do_get_mtime): New function.
1003         (Lib_group::do_for_all_unused_symbols): New function.
1004         (Lib_group::task_): Move to base class.
1005         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1006         function.
1007         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1008         function.
1009         * incremental.cc (Incremental_inputs::report_archive_begin):
1010         Use Library_base; call library's get_mtime; add incremental inputs
1011         entry before members.
1012         (class Unused_symbol_visitor): New class.
1013         (Incremental_inputs::report_archive_end): Use Library_base; use
1014         visitor class to record unused symbols; don't add incremental inputs
1015         entry after members.
1016         (Incremental_inputs::report_object): Use Library_base.
1017         * incremental.h
1018         (Incremental_archive_entry::Incremental_archive_entry): Remove
1019         unused Archive parameter.
1020         (Incremental_inputs::report_archive_begin): Use Library_base.
1021         (Incremental_inputs::report_archive_end): Likewise.
1022         (Incremental_inputs::report_object): Likewise.
1023         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1024         function.
1025         * object.h (Object::for_all_global_symbols): New function.
1026         (Object::do_for_all_global_symbols): New function.
1027         (Sized_relobj::do_for_all_global_symbols): New function.
1028         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1029         function.
1030         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1031         function.
1032
1033 2011-03-27  Ian Lance Taylor  <iant@google.com>
1034
1035         * archive.cc (Archive::interpret_header): Return -1 if something
1036         goes wrong.  Change callers accordingly.
1037
1038 2011-03-25  Cary Coutant  <ccoutant@google.com>
1039
1040         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1041         * testsuite/Makefile.in: Regenerate.
1042
1043 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1044
1045         * plugin.cc (get_view): New.
1046         (Plugin::load): Pass get_view to the plugin.
1047         (Plugin_manager::get_view): New.
1048
1049 2011-03-21  Ian Lance Taylor  <iant@google.com>
1050
1051         * testsuite/final_layout.sh: Rewrite to not use dc.
1052         * testsuite/relro_test.sh: Fail if dc is not present.
1053
1054 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1055
1056         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1057         Change == to -eq.
1058         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1059         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1060         Change == to -eq.
1061         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1062         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1063
1064 2011-03-14  Ian Lance Taylor  <iant@google.com>
1065
1066         * script-sections.cc (Sort_output_sections::script_compare):
1067         Rename from is_before, change return type.
1068         (Sort_output_sections::operator()): Adjust accordingly.
1069
1070 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1071
1072         PR gold/12572
1073         * testsuite/odr_violation2.cc: Add comment to make all error line
1074         numbers double digits.
1075         * testsuite/debug_msg.sh: Adjust expected errors.
1076
1077 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1078
1079         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1080         but mark earlier ones as non-canonical
1081         (offset_to_iterator): Update search target and example
1082         (do_addr2line): Return extra lines in a vector*
1083         (format_file_lineno): Extract from do_addr2line
1084         (one_addr2line): Add vector* out-param
1085         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1086         when a lineno entry appeared last for its instruction
1087         (Dwarf_line_info): Add vector* out-param
1088         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1089         * symtab.cc (Odr_violation_compare): Include the lineno in the
1090         comparison again.
1091         (linenos_from_loc): New. Combine the canonical line for an
1092         address with its other lines.
1093         (True_if_intersect): New. Helper functor to make
1094         std::set_intersection a query.
1095         (detect_odr_violations): Compare sets of lines instead of just
1096         one line for each function. This became less deterministic, but
1097         has fewer false positives.
1098         * symtab.h: Declarations.
1099         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1100         mix an optimized and non-optimized object in the same binary
1101         (odr_violation2.so): Same.
1102         * testsuite/Makefile.in: Regenerate from Makefile.am.
1103         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1104         * testsuite/debug_msg.sh: Update line numbers and add
1105         assertions.
1106         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1107         non-optimized context.
1108         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1109         isn't inlined, and use OdrDerived in an optimized context.
1110         * testsuite/odr_header1.h: Defines OdrDerived, where
1111         optimization will change the
1112         first-instruction-in-the-destructor's file and line number.
1113         * testsuite/odr_header2.h: Defines OdrBase.
1114
1115 2011-03-09  Ian Lance Taylor  <iant@google.com>
1116
1117         * fileread.cc (File_read::clear_views): Don't delete the whole
1118         file view.
1119
1120 2011-03-08  Ian Lance Taylor  <iant@google.com>
1121
1122         PR gold/12525
1123         * fileread.cc: #include <climits>.
1124         (GOLD_IOV_MAX): Define.
1125         (File_read::read_multiple): Limit number of entries by iov_max.
1126         * fileread.h (class File_read): Always set max_readv_entries to
1127         128.
1128
1129 2011-03-07  Ian Lance Taylor  <iant@google.com>
1130
1131         PR gold/12525
1132         * options.h (class General_options): Add -dy and -dn.
1133
1134 2011-03-02  Cary Coutant  <ccoutant@google.com>
1135
1136         * testsuite/script_test_9.t: Add TLS segment.
1137
1138 2011-03-02  Simon Baldwin  <simonb@google.com>
1139
1140         * configure.ac: Add check for gnu_indirect_function support in
1141         the toolchain building binutils.
1142         * configure: Rebuild.
1143
1144 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1145
1146         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1147         plugin only symbols.
1148         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1149         in plugin files as not needed in the symbol table.
1150
1151 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1152
1153         * output.cc (Output_section::add_input_section): Delay fill
1154         generation for section ordering.
1155
1156 2011-02-09  Ian Lance Taylor  <iant@google.com>
1157
1158         PR gold/12316
1159         * object.h (class Sized_relobj): Remove clear_local_symbols.
1160         * reloc.cc (Sized_relobj::do_relocate): Don't call
1161         clear_local_symbols.
1162
1163 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1164
1165         * plugin.cc (is_visible_from_outside): Return true for symbols
1166         in the -u option.
1167
1168 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1169
1170         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1171         filename.
1172
1173 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1174
1175         * icf.h (is_section_foldable_candidate): Change type of parameter
1176         to std::string.
1177         * icf.cc (Icf::find_identical_sections): Change type of local variable
1178         section_name to be std::string.
1179         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1180
1181 2011-01-25  Ian Lance Taylor  <iant@google.com>
1182
1183         * script.cc (script_add_extern): Rewrite to use
1184         add_symbol_reference.
1185
1186 2011-01-25  Doug Kwan  <dougkwan@google.com>
1187
1188         * icf.cc (get_section_contents): Always lock section's object.
1189
1190 2011-01-24  Ian Lance Taylor  <iant@google.com>
1191
1192         * options.h (class General_options): Accept
1193         --no-detect-odr-violations.
1194
1195 2011-01-24  Ian Lance Taylor  <iant@google.com>
1196
1197         * version.cc (version_string): Bump to 1.11.
1198
1199 2011-01-24  Ian Lance Taylor  <iant@google.com>
1200
1201         * plugin.cc (class Plugin_rescan): Define new class.
1202         (Plugin_manager::claim_file): Set any_claimed_.
1203         (Plugin_manager::save_archive): New function.
1204         (Plugin_manager::save_input_group): New function.
1205         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1206         necessary.
1207         (Plugin_manager::new_undefined_symbol): New function.
1208         (Plugin_manager::rescan): New function.
1209         (Plugin_manager::rescannable_defines): New function.
1210         (Plugin_manager::add_input_file): Set any_added_.
1211         * plugin.h (class Plugin_manager): define new fields rescannable_,
1212         undefined_symbols_, any_claimed_, and any_added_.  Declare
1213         Plugin_rescan as friend.  Declare new functions.
1214         (Plugin_manager::Rescannable): Define type.
1215         (Plugin_manager::Rescannable_list): Define type.
1216         (Plugin_manager::Undefined_symbol_list): Define type.
1217         (Plugin_manager::Plugin_manager): Initialize new fields.
1218         * archive.cc (Archive::defines_symbol): New function.
1219         (Add_archive_symbols::run): Pass archive to plugins if any.
1220         * archive.h (class Archive): Declare defines_symbol.
1221         * readsyms.cc (Input_group::~Input_group): New function.
1222         (Finish_group::run): Pass input_group to plugins if any.
1223         * readsyms.h (class Input_group): Declare destructor.
1224         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1225         any.
1226
1227 2011-01-10  Ian Lance Taylor  <iant@google.com>
1228
1229         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1230         section as relro.
1231         (Layout::set_segment_offsets): Reset increase_relro before calling
1232         set_section_addresses a second time.
1233
1234 2011-01-04  Cary Coutant  <ccoutant@google.com>
1235
1236         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1237         sections before NOBITS sections.
1238
1239 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1240
1241         * version.cc (print_version): Update copyright to 2011.
1242
1243 2010-12-23  Cary Coutant  <ccoutant@google.com>
1244
1245         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1246         of OS to this->add.  Add OD parameter to second form of the function.
1247
1248 2010-12-20  Ian Lance Taylor  <iant@google.com>
1249
1250         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1251         second of two consecutive entries with same offset.
1252
1253 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1254
1255         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1256         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1257         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1258         to avoid unneeded links against $(LDADD).
1259         * testsuite/Makefile.in: Regenerate.
1260
1261 2010-12-15  Ian Lance Taylor  <iant@google.com>
1262
1263         PR gold/12324
1264         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1265         for R_X86_64_32 and R_X86_64_PC32.
1266         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1267         ver_matching_def_pic.o.
1268         (ver_matching_def_pic.o): New target.
1269
1270 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1271
1272         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
1273         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
1274         Move definition before File_read::View member definitions.
1275         (File_read::View::~View): Initialize and hold lock before
1276         updating current_mapped_bytes.
1277
1278 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1279
1280         * dwarf_reader.cc: Remove outdated comment.
1281         * gold-threads.cc: Fix typo in error message.
1282         * archive.cc: Fix typos in comments.
1283         * archive.h: Likewise.
1284         * arm-reloc-property.cc: Likewise.
1285         * arm-reloc-property.h: Likewise.
1286         * arm-reloc.def: Likewise.
1287         * arm.cc: Likewise.
1288         * attributes.h: Likewise.
1289         * cref.cc: Likewise.
1290         * ehframe.cc: Likewise.
1291         * fileread.h: Likewise.
1292         * gold.h: Likewise.
1293         * i386.cc: Likewise.
1294         * icf.cc: Likewise.
1295         * incremental.h: Likewise.
1296         * int_encoding.cc: Likewise.
1297         * layout.h: Likewise.
1298         * main.cc: Likewise.
1299         * merge.h: Likewise.
1300         * object.cc: Likewise.
1301         * object.h: Likewise.
1302         * options.cc: Likewise.
1303         * readsyms.cc: Likewise.
1304         * reduced_debug_output.cc: Likewise.
1305         * reloc.cc: Likewise.
1306         * script-sections.cc: Likewise.
1307         * sparc.cc: Likewise.
1308         * symtab.h: Likewise.
1309         * target-reloc.h: Likewise.
1310         * target.cc: Likewise.
1311         * target.h: Likewise.
1312         * timer.cc: Likewise.
1313         * timer.h: Likewise.
1314         * x86_64.cc: Likewise.
1315
1316 2010-12-09  Cary Coutant  <ccoutant@google.com>
1317
1318         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
1319         stack.
1320         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
1321         parameter; change all callers.
1322         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
1323         * options.h (warn_execstack): New option.
1324
1325 2010-12-07  Doug Kwan  <dougkwan@google.com>
1326
1327         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
1328         like function call relocations.
1329
1330 2010-12-07  Ian Lance Taylor  <iant@google.com>
1331
1332         * archive.cc (Archive::get_elf_object_for_member): Permit
1333         punconfigured to be NULL.
1334         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
1335         (Archive::include_member): Pass NULL to get_elf_object_for_member
1336         if we searched for the archive and this is the first included
1337         object.
1338
1339 2010-12-01  Ian Lance Taylor  <iant@google.com>
1340
1341         * dwarf_reader.h (class Sized_dwarf_line_info): Add
1342         track_relocs_type_ field.
1343         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1344         Set track_relocs_type_.
1345         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
1346         contents when using RELA relocs.
1347         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
1348         reloc_map_.
1349         * reloc.cc (Track_relocs::next_addend): New function.
1350         * reloc.h (class Track_relocs): Declare next_addend.
1351
1352 2010-12-01  Ian Lance Taylor  <iant@google.com>
1353
1354         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
1355         virtual destructor.
1356
1357 2010-12-01  Ian Lance Taylor  <iant@google.com>
1358
1359         * README: Update compilers known to work and fail.
1360
1361 2010-11-23  Matthias Klose  <doko@ubuntu.com>
1362
1363         * configure.in: For --enable-gold, handle value `default' instead of
1364         `both*'.  Always install ld as ld.bfd, install as ld if gold is
1365         not the default.
1366         * configure: Regenerate.
1367
1368 2010-11-18  Doug Kwan  <dougkwan@google.com>
1369
1370         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
1371         and right_alignment to be zero.  Store result alignment only if it is
1372         greater than existing alignment.
1373
1374 2010-11-16  Cary Coutant  <ccoutant@google.com>
1375
1376         PR gold/12220
1377         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1378         Check for ".zdebug_line".
1379
1380 2010-11-16  Doug Kwan  <dougkwan@google.com>
1381             Cary Coutant  <ccoutant@google.com>
1382
1383         * output.h (Output_segment::set_section_addresses): Pass increase_relro
1384         by reference; adjust all callers.
1385         * output.cc (Output_segment::set_section_addresses): Adjust references
1386         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
1387         list is empty.
1388         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
1389         end at page boundary.
1390
1391 2010-11-16  Cary Coutant  <ccoutant@google.com>
1392
1393         PR gold/12220
1394         * layout.cc (Layout::choose_output_section): Transform names of
1395         compressed sections even when using a script with a SECTIONS clause.
1396         (Layout::output_section_name): Remove code to transform
1397         compressed debug section names.
1398         * output.cc (Output_section::add_input_section): Use uncompressed
1399         section size when tracking input sections.
1400
1401 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
1402
1403         * symtab.h (Symbol::NON_PIC_REF): Remove.
1404         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
1405         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
1406         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
1407         (Symbol::use_plt_offset): Take a flags argument and pass it
1408         directly to needs_dynamic_reloc.  Restrict check for undefined
1409         weak symbols to function calls.
1410         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
1411         (Target_arm::Scan::global): Use it.
1412         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
1413         (Target_arm::Relocate::relocate): Likewise.
1414         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
1415         parameter with an r_type parameter.  Use get_reference_flags
1416         to get the flags.
1417         (Target_arm::Relocate::relocate): Update accordingly.
1418         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
1419         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
1420         (Target_i386::Scan::global): Likewise.
1421         (Target_i386::Relocate::relocate): Likewise.
1422         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
1423         parameter with an r_type parameter.  Use get_reference_flags
1424         to get the flags.
1425         (Target_i386::Relocate::relocate): Update accordingly.
1426         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1427         (Target_powerpc::Scan::global): Use it.
1428         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1429         (Target_powerpc::Relocate::relocate): Likewise.
1430         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1431         (Target_sparc::Scan::global): Use it.
1432         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1433         (Target_sparc::Relocate::relocate): Likewise.
1434         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1435         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1436         (Target_x86_64::Scan::global): Likewise.
1437         (Target_x86_64::Relocate::relocate): Likewise.
1438
1439 2010-11-08  Doug Kwan  <dougkwan@google.com>
1440             Cary Coutant  <ccoutant@google.com>
1441
1442         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1443         (Arm_exidx_merge_section::section_contents_): New data member.
1444         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1445         (Arm_input_section::~Arm_input_section): De-allocate memory.
1446         (Arm_input_section::original_contents_): New data member.       
1447         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1448         in parameters instead of calling Object::section_contents without
1449         locking.
1450         (Arm_output_section::group_section): New parameter TASK.  Pass it
1451         to callees that need locking objects.
1452         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1453         to lock EXIDX input sections.  Fix a formatting issue.  Call
1454         Arm_exidx_merged_section::build_contents to create merged section
1455         contents.
1456         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1457         to lock object of stub table owner.
1458         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1459         TEXT_SIZE to initialize data member TEXT_SIZE_.
1460         (Arm_exidx_input_section::addralign): Fix typo in comment.
1461         (Arm_exidx_input_section::text_size): New method.
1462         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1463         that require locking objects.  Lock objects before scanning for stubs
1464         and updating local symbols.
1465         (Arm_input_section<big_endian>::init): Copy contents of original
1466         input section.
1467         (Arm_input_section<big_endian>::do_write): Use saved contents of
1468         original input section instead of calling Object::section_contents
1469         without locking.
1470         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1471         size without calling Object::section_size().
1472         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1473         for size.  Allocate a buffer for merged EXIDX entries.
1474         (Arm_exidx_merged_section::build_contents): New method.
1475         (Arm_exidx_merged_section::do_write): Move merge section contents
1476         building code to Arm_exidx_merged_section::build_contetns.  Write
1477         out contetns in buffer instead of building it on the fly.
1478         (Arm_relobj::make_exidx_input_section): Also pass text section size
1479         to Arm_exidx_input_section constructor.
1480         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1481         (Arm_dynobj::do_read_symbols): Fix memory leak.
1482         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1483         * target.h: (class Task): Add forward declaration.
1484         (Target::relax): Add new parameter TASK and pass it to
1485         Target::do_relax().
1486         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1487
1488 2010-11-05  Cary Coutant  <ccoutant@google.com>
1489
1490         PR gold/10708
1491         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1492         object when reading from the file.
1493         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1494         second layout pass.
1495         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1496         when reading section contents.
1497         (get_section_contents): Likewise.
1498         (icf::find_identical_sections): Likewise.
1499         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1500         object when reading from the file.
1501         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1502         the object when doing deferred section layout.
1503
1504 2010-11-03  Nick Clifton  <nickc@redhat.com>
1505
1506         PR gold/12001
1507         * script.h (class Symbol_assignment: name): New member.  Returns
1508         the name of the symbol.
1509         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1510         Returns true if the given symbol name is on the list of
1511         assignments wating to be processed.
1512         * archive.cc (should_incldue_member): If the symbol is undefined,
1513         check to see if it is on the list of symbols pending assignment.
1514
1515 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1516
1517         * script-sections.cc (Script_sections::find_memory_region): Check
1518         for a NULL output section pointer.
1519
1520 2010-10-29  Doug Kwan  <dougkwan@google.com>
1521
1522         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1523         Output_section::add_relaxed_input_section.
1524         * output.cc (Output_section::add_relaxed_input_section): Add new
1525         arguments LAYOUT and NAME.  Set section order index.
1526         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1527         Copy section order index.
1528         * output.h (Output_section::add_relaxed_input_section): Add new
1529         arguments LAYOUT and NAME.
1530
1531 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1532
1533         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1534         NATIVE_OR_CROSS_LINKER.
1535         * testsuite/Makefile.in: Regenerate.
1536
1537 2010-10-20  Doug Kwan  <dougkwan@google.com>
1538
1539         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1540         without SHF_LINK_ORDER flags.
1541         * layout.cc (Layout::choose_output_section): Do not filter
1542         SHF_LINK_ORDER flag in a relocatable link.
1543
1544 2010-10-17  Cary Coutant  <ccoutant@google.com>
1545
1546         * output.h (Output_segment::set_section_addresses): Change function
1547         signature.  Update all callers.
1548         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1549         sections.
1550         (Output_segment::set_section_addresses): Align after last TLS
1551         section.  Add padding before last relro section instead of after.
1552
1553 2010-10-17  Doug Kwan  <dougkwan@google.com>
1554
1555         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1556         GOT output section to be writable.
1557
1558 2010-10-14  Cary Coutant  <ccoutant@google.com>
1559
1560         * debug.h (DEBUG_INCREMENTAL): New flag.
1561         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1562         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1563         mode.
1564         * incremental.cc (report_command_line): Ignore all forms of
1565         --incremental.
1566         * layout.cc (Layout::Layout): Check parameters for incremental link
1567         mode.
1568         * options.cc (General_options::parse_incremental): New function.
1569         (General_options::parse_no_incremental): New function.
1570         (General_options::parse_incremental_full): New function.
1571         (General_options::parse_incremental_update): New function.
1572         (General_options::incremental_mode_): New data member.
1573         (General_options::finalize): Check incremental_mode_.
1574         * options.h (General_options): Update help text for --incremental.
1575         Add --no-incremental, --incremental-full, --incremental-update.
1576         (General_options::Incremental_mode): New enum type.
1577         (General_options::incremental_mode): New function.
1578         (General_options::incremental_mode_): New data member.
1579         * parameters.cc (Parameters::incremental_mode_): New data member.
1580         (Parameters::set_options): Set incremental_mode_.
1581         (Parameters::set_incremental_full): New function.
1582         (Parameters::incremental): New function.
1583         (Parameters::incremental_update): New function.
1584         (set_parameters_incremental_full): New function.
1585         * parameters.h (Parameters::set_incremental_full): New function.
1586         (Parameters::incremental): New function.
1587         (Parameters::incremental_update): New function.
1588         (Parameters::incremental_mode_): New data member.
1589         (set_parameters_incremental_full): New function.
1590         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1591         incremental link mode.
1592         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1593         (Sized_relobj::do_relocate_sections): Likewise.
1594         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1595         option.
1596         * testsuite/Makefile.in: Regenerate.
1597         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1598
1599 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1600
1601         * script-sections.h (class Script_sections): Make
1602         Sections_elements typedef public.
1603         * script-sections.cc (class Sort_output_sections): Add elements_
1604         field.  Add constructor which sets it; change all callers.
1605         (Sort_output_sections::is_before): New function.
1606         (Sort_output_sections::operator()): Call is_before.
1607         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1608         conditional.
1609         * testsuite/script_test_10.sh: New test. Test script section
1610         order.
1611         * testsuite/script_test_10.t: Likewise.
1612         * testsuite/script_test_10.s: Likewise.
1613         * testsuite/Makefile.am: Wrap the cross linker tests and the
1614         common tests into NATIVE_OR_CROSS_LINKER.
1615         (check_SCRIPTS): Add script_test_10.sh.
1616         (check_DATA): Add script_test_10.stdout.
1617         (script_test_10.o, script_test_10): New targets.
1618         (script_test_10.stdout): New target.
1619         * configure, testsuite/Makefile.in: Regenerate.
1620
1621 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1622
1623         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1624         error for the deprecated relocations.
1625         (Target_arm::Scan::global): Likewise.
1626         (Target_arm::Relocate::relocate): Likewise.
1627
1628 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1629
1630         * fileread.cc (Input_file::find_file): Initialize *found_name
1631         and *namep when using the fallback search for case 4.
1632
1633 2010-10-11  Cary Coutant  <ccoutant@google.com>
1634
1635         * options.h (class General_options): Redefine -z lazy as an alias for
1636         the negation of -z now.
1637
1638 2010-10-11  Ian Lance Taylor  <iant@google.com>
1639
1640         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1641         binding.
1642
1643 2010-10-06  Nick Clifton  <nickc@redhat.com>
1644
1645         * script-sections.cc(class Memory_region): Remove
1646         current_lma_offset_ field.  Rename current_vma_offset_ to
1647         current_offset_.  Add last_section_ field.
1648         (Memory_region::get_current_vma_address): Rename to
1649         get_current_address.
1650         (Memory_region::get_current_lma_address): Delete.
1651         (Memory_region::increment_vma_offset): Rename to
1652         increment_offset.
1653         (Memory_region::increment_lma_offset): Delete.
1654         (Memory_region::attributes_compatible): New method.  Returns
1655         true if the provided section is compatible with the region.
1656         (Memory_region::get_last_section): New method.  Returns the last
1657         section to use the region.
1658         (Memory_region::set_last_section): New method.  Stores the last
1659         section to use the region.
1660         (Script_sections::block_in_region): New method.  Returns true if
1661         a block of memory is contained within a region.
1662         (Script_sections::find_memory_region): New method.  Locates a
1663         memory region to be used to set a VMA or LMA address.
1664         (Output_section_definition::set_section_addresses): Add code to
1665         check for addresses set by memory regions.
1666         (Output_segment::set_section_addresses): Remove memory region
1667         walking code.
1668         (Script_sections::create_segment): Add a warning if a header
1669         segment is created outside of any region.
1670         * script-sections.h (class Script_sections): Add prototypes for
1671         find_memory_region and block_in_region methods.
1672         * testsuite/memory_test.s: Use .long instead of .word.
1673         * testsuite/memory_test.t: Add some more output sections.
1674         * testsuite/memory_test.sh: Update expected output.
1675
1676 2010-10-02  Doug Kwan  <dougkwan@google.com>
1677
1678         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1679         defintion to symtab.h
1680         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1681         declaration to defintion.
1682
1683 2010-10-01  Nick Clifton  <nickc@redhat.com>
1684
1685         * expression.cc (eval): Replace dummy argument with NULL.
1686         (eval_maybe_dot): Check for a NULL result section pointer.
1687         (Symbol_expression::value): Likewise.
1688         (Dot_expression::value): Likewise.
1689         (BINARY_EXPRESSION): Likewise.
1690         (Max_expression::value): Likewise.
1691         (Min_expression::value): Likewise.
1692         (Absolute_expression::value): Likewise.
1693         (Addr_expression::value_from_output_section): Likewise.
1694         (Loaddddr_expression::value_from_output_section): Likewise.
1695         (Segment_start_expression::value): Likewise.
1696         * script-sections.cc
1697         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1698         argument with NULL.
1699         (Sections_elememt_dot_assignment::set_section_addresses):
1700         Likewise.
1701         (Output_data_expression::do_write_to_buffer): Likewise.
1702         (Output_section_definition::finalize_symbols): Likewise.
1703         (Output_section_definition::set_section_addresses): Likewise.
1704
1705 2010-09-30  Doug Kwan  <dougkwan@google.com>
1706
1707         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1708
1709 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1710
1711         * target.h (Target::can_icf_inline_merge_sections): New virtual
1712         function.
1713         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1714         virtual function.
1715         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1716         virtual function.
1717         * icf.cc (get_section_contents): Inline merge sections only when
1718         target allows it.
1719
1720 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1721
1722         * configure: Regenerate.
1723
1724 2010-09-17  Ian Lance Taylor  <iant@google.com>
1725
1726         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1727         * testsuite/Makefile.am (memory_test.o): New target.
1728         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1729         memory_test.t.
1730         * testsuite/Makefile.in: Rebuild.
1731
1732 2010-09-17  Doug Kwan  <dougkwan@google.com>
1733
1734         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
1735         defintion if relocation uses GOT entries of the symbol.
1736         * testsuite/icf_safe_test.sh: Fix test.
1737         * testsuite/icf_safe_so_test.sh: Fix test.
1738
1739 2010-09-16  Cary Coutant  <ccoutant@google.com>
1740
1741         * script_sections.cc (class Memory_region): Remove "NULL" from
1742         vector initializations.
1743
1744 2010-09-15  Cary Coutant  <ccoutant@google.com>
1745
1746         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
1747         Resolve forwarding symbols.
1748
1749 2010-09-15  Doug Kwan  <dougkwan@google.com>
1750
1751         * gold/testsuite/script_test_3.t: Add ARM special sections.
1752         * gold/testsuite/script_test_4.t: Same.
1753         * gold/testsuite/script_test_5.t: Same.
1754         * gold/testsuite/script_test_6.t: Same.
1755         * gold/testsuite/script_test_7.t: Same.
1756         * gold/testsuite/script_test_7.t: Same.
1757         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
1758
1759 2010-09-14  Cary Coutant  <ccoutant@google.com>
1760
1761         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
1762         (Target_x86_64::Relocate::relocate_tls): Replace check for
1763         saw_tls_block_reloc_ with test for executable section.
1764
1765 2010-09-12  Cary Coutant  <ccoutant@google.com>
1766
1767         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
1768         position-independent executables to shared libraries need dynamic
1769         relocations.
1770         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
1771         position-independent executables.
1772         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
1773         * testsuite/Makefile.in: Regenerate.
1774
1775 2010-09-10  Nick Clifton  <nickc@redhat.com>
1776
1777         PR gold/11997
1778         * testsuite/memory_test.t: Discard any sections that are not
1779         needed.
1780
1781 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1782
1783         PR gold/11996
1784         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
1785         "This::" to work around a bug in gcc 4.2.
1786
1787         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
1788
1789 2010-09-09  Rafael Espindola  <espindola@google.com>
1790
1791         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
1792         sections with different PF_X flags in the same segment.
1793         (Layout::find_first_load_seg): Search all segments to find the first
1794         one.
1795         * options.h (rosegment): New.
1796
1797 2010-09-08  Rafael Espindola  <espindola@google.com>
1798
1799         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
1800
1801 2010-09-08  Doug Kwan  <dougkwan@google.com>
1802
1803         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
1804         (Arm_relobj::do_relocate_sections): Add new parameter for output
1805         file to match the parent.
1806         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
1807         of local symbols instead of input values.  Update code to track
1808         changes in gold::relocate_section.
1809         * object.cc (Sized_relobj::compute_final_local_value): New methods.
1810         (Sized_relobj::compute_final_local_value_internal): New methods.
1811         (Sized_relobj::do_finalize_local_symbols): Move code from loop
1812         body into private version of Sized_relobj::compute_final_local_value.
1813         Call the inline method.
1814         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
1815         merged symbol value if there is one.
1816         (Symbol_value::has_output_value): New method defintiion.
1817         (Sized_relobj::Compute_final_local_value_status): New enum type.
1818         (Sized_relobj::compute_final_local_value): New methods.
1819         (Sized_relobj::compute_final_local_value_internal): New methods.
1820         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
1821         and arm_cortex_a8.sh.
1822         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
1823         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
1824         New tests.
1825         * Makefile.in: Regenerate.
1826         * testsuite/arm_bl_out_of_range.s: Update test.
1827         * testsuite/thumb_bl_out_of_range.s: Ditto.
1828         * testsuite/thumb_blx_out_of_range.s: Ditto.
1829         * testsuite/arm_branch_out_of_range.sh: New file.
1830         * testsuite/arm_cortex_a8.sh: Ditto.
1831         * testsuite/arm_cortex_a8_b.s: Ditto.
1832         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
1833         * testsuite/arm_cortex_a8_b_local.s: Ditto.
1834         * testsuite/arm_cortex_a8_bl.s: Ditto.
1835         * testsuite/arm_cortex_a8_blx.s: Ditto.
1836         * testsuite/arm_cortex_a8_local.s: Ditto.
1837         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
1838         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
1839
1840 2010-09-08  Rafael Espindola  <espindola@google.com>
1841
1842         * Makefile.am (memory_test.stdout): Run readelf with -W.
1843         * Makefile.in: Regenerate.
1844         * testsuite/memory_test.sh: Make the regexps accept both 32 and
1845         64 bit output.
1846
1847 2010-09-08  Rafael Espindola  <espindola@google.com>
1848
1849         * script-sections.cc (Script_sections::add_memory_region): Convert
1850         field precision to int.
1851         * script.cc (script_set_section_region, script_set_section_region):
1852         Convert field precision to int.
1853
1854 2010-09-08  Rafael Espindola  <espindola@google.com>
1855
1856         * arm.cc (do_finalize_sections): Create the __exidx_start and
1857         __exdix_end symbols even when the section is missing.
1858
1859 2010-09-08  Nick Clifton  <nickc@redhat.com>
1860
1861         * README: Remove claim that MEMORY is not supported.
1862         * expression.cc (script_exp_function_origin)
1863         (script_exp_function_length): Move from here to ...
1864         * script.cc: ... here.
1865         (script_set_section_region, script_add_memory)
1866         (script_parse_memory_attr, script_include_directive): New
1867         functions.
1868         * script-sections.cc
1869         (class Memory_region): New class.
1870         (class Output_section_definition): Add set_memory_region,
1871         set_section_vma, set_section_lma and get_section_name methods.
1872         (class Script_Sections): Add add_memory_region,
1873         find_memory_region, find_memory_region_origin,
1874         find_memory_region_length and set_memory_region methods.
1875         Have set_section_addresses method walk the list of set memory
1876         regions.
1877         Extend the print methos to display memory regions.
1878         * script-sections.h: Add prototypes for new methods.
1879         Add enum for MEMORY region attributes.
1880         * yyscript.y: Add support for parsing MEMORY regions.
1881         * script-c.h: Add prototypes for new functions.
1882         * testsuite/Makefile.am: Add test of MEMORY region functionality.
1883         * testsuite/Makefile.in: Regenerate.
1884         * testsuite/memory_test.sh: New script.
1885         * testsuite/memory_test.s: New assembler source file.
1886         * testsuite/memory_test.t: New linker script.
1887
1888 2010-08-27  Doug Kwan  <dougkwan@google.com>
1889
1890         * gold/resolve.cc (Symbol_table::should_override): Let a weak
1891         reference override an existing dynamic weak reference.
1892         * testsuite/Makefile.am: Add new test dyn_weak_ref.
1893         * testsuite/Makefile.in: Regenerate.
1894         * testsuite/dyn_weak_ref.sh: New file.
1895         * testsuite/dyn_weak_ref_1.c: Ditto.
1896         * testsuite/dyn_weak_ref_2.c: Ditto.
1897
1898 2010-08-27  Ian Lance Taylor  <iant@google.com>
1899
1900         * incremental.h (class Incremental_input_entry): Add virtual
1901         destructor.
1902
1903 2010-08-27  Ian Lance Taylor  <iant@google.com>
1904
1905         * testsuite/start_lib_test_3.c: Mark t3 as used.
1906
1907 2010-08-27  Nick Clifton  <nickc@redhat.com>
1908
1909         * options.cc (version_script): Fix small typo in previous
1910         whitespace tidyup.
1911
1912 2010-08-25  Nick Clifton  <nickc@redhat.com>
1913
1914         * archive.cc: Formatting fixes: Remove whitespace between
1915         typename and following asterisk.  Remove whitespace between
1916         function name and opening parenthesis.
1917         * archive.h: Likewise.
1918         * arm.cc: Likewise.
1919         * attributes.cc: Likewise.
1920         * attributes.h: Likewise.
1921         * common.cc: Likewise.
1922         * copy-relocs.cc: Likewise.
1923         * dirsearch.h: Likewise.
1924         * dynobj.cc: Likewise.
1925         * ehframe.cc: Likewise.
1926         * ehframe.h: Likewise.
1927         * expression.cc: Likewise.
1928         * fileread.cc: Likewise.
1929         * fileread.h: Likewise.
1930         * gc.h: Likewise.
1931         * gold-threads.cc: Likewise.
1932         * gold.cc: Likewise.
1933         * i386.cc: Likewise.
1934         * icf.h: Likewise.
1935         * incremental-dump.cc: Likewise.
1936         * incremental.cc: Likewise.
1937         * layout.cc: Likewise.
1938         * layout.h: Likewise.
1939         * main.cc: Likewise.
1940         * merge.cc: Likewise.
1941         * merge.h: Likewise.
1942         * object.cc: Likewise.
1943         * object.h: Likewise.
1944         * options.cc: Likewise.
1945         * options.h: Likewise.
1946         * output.cc: Likewise.
1947         * output.h: Likewise.
1948         * plugin.cc: Likewise.
1949         * plugin.h: Likewise.
1950         * powerpc.cc: Likewise.
1951         * reloc.cc: Likewise.
1952         * script-c.h: Likewise.
1953         * script-sections.cc: Likewise.
1954         * script.cc: Likewise.
1955         * stringpool.cc: Likewise.
1956         * symtab.cc: Likewise.
1957         * symtab.h: Likewise.
1958         * target.cc: Likewise.
1959         * timer.cc: Likewise.
1960         * timer.h: Likewise.
1961         * version.cc: Likewise.
1962         * x86_64.cc: Likewise.
1963
1964 2010-08-24  Nick Clifton  <nickc@redhat.com>
1965
1966         PR 11899
1967         * layout.cc (segment_precedes): Sort segments by their physical
1968         addresses, if they have been set.
1969
1970 2010-08-23  Cary Coutant  <ccoutant@google.com>
1971
1972         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
1973         symbols data.
1974         (Lib_group::include_member): Unlock object after deleting its
1975         symbols data.
1976         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
1977         the bug fixed here.
1978
1979 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
1980             Cary Coutant  <ccoutant@google.com>
1981
1982         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
1983         constructor, and set_blocker.
1984         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
1985         readsyms_blocker_.
1986         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
1987         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
1988         * testsuite/Makefile.am (start_lib_test): New test case.
1989         * testsuite/Makefile.in: Regenerate.
1990         * testsuite/start_lib_test_main.c: New file.
1991         * testsuite/start_lib_test_1.c: New file.
1992         * testsuite/start_lib_test_2.c: New file.
1993         * testsuite/start_lib_test_3.c: New file.
1994
1995 2010-08-19  Ian Lance Taylor  <iant@google.com>
1996
1997         * Makefile.in: Rebuild with automake 1.11.1.
1998         * aclocal.m4: Likewise.
1999         * testsuite/Makefile.in: Likewise.
2000
2001 2010-08-19  Ian Lance Taylor  <iant@google.com>
2002
2003         PR 10893
2004         * i386.cc (class Output_data_plt_i386): Update declarations.
2005         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2006         local_ifuncs_ fields.
2007         (Target_i386::do_plt_section_for_global): New function.
2008         (Target_i386::do_plt_section_for_local): New function.
2009         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2010         parameter; change all callers.  Initialize global_ifuncs_ and
2011         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2012         __rel_iplt_end.
2013         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2014         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2015         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2016         symbols.
2017         (Target_i386::make_plt_section): New function, broken out of
2018         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2019         (Target_i386::make_plt_entry): Call make_plt_section.
2020         (Target_i386::make_local_ifunc_plt_entry): New function.
2021         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2022         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2023         R_386_IRELATIVE to switch.
2024         (Target_i386::Scan::global): Likewise.
2025         (Target_i386::Relocate::relocate): Likewise.
2026         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2027         switch.
2028         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2029         (Target_x86_64::do_plt_section_for_global): New function.
2030         (Target_x86_64::do_plt_section_for_local): New function.
2031         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2032         parameter; change all callers.  If doing a static link define
2033         __rela_iplt_start and __rela_iplt_end.
2034         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2035         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2036         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2037         to point to .plt.
2038         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2039         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2040         switch.
2041         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2042         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2043         R_X86_64_IRELATIVE to switch.
2044         (Target_x86_64::Scan::global): Likewise.
2045         (Target_x86_64::Relocate::relocate): Likewise.
2046         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2047         switch.
2048         * target.h (class Target): Add plt_section_for_global and
2049         plt_section_for_local functions.  Add do_plt_section_for_global
2050         and do_plt_section_for_local virtual functions.
2051         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2052         clarifying comments.
2053         (Symbol::use_plt_offset): Handle IFUNC symbol.
2054         * object.cc (Sized_relobj::Sized_relobj): Initialize
2055         local_plt_offsets_.
2056         (Sized_relobj::local_has_plt_offset): New function.
2057         (Sized_relobj::local_plt_offset): New function.
2058         (Sized_relobj::set_local_plt_offset): New function.
2059         (Sized_relobj::do_count): Handle IFUNC symbol.
2060         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2061         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2062         is_ifunc_symbol functions.
2063         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2064         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2065         local_plt_offsets_ field.
2066         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2067         * output.h (class Output_section_data): Add non-const
2068         output_section function.
2069         (class Output_data_got): Update declarations.
2070         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2071         Add use_plt_offset parameter to global and local constructors.
2072         Change all callers.  Change local_sym_index_ field to 31 bits.
2073         Change GSYM_CODE and CONSTANT_CODE accordingly.
2074         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2075         doing a static link don't set sh_link field.
2076         (Output_data_got::Got_entry::write): Use PLT offset if
2077         appropriate.
2078         (Output_data_got::add_global_plt): New function.
2079         (Output_data_got::add_local_plt): New function.
2080         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2081         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2082         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2083         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2084         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2085         IFUNC conditional.
2086         * testsuite/ifunc-sel.h: New file.
2087         * testsuite/ifuncmain1.c: New file.
2088         * testsuite/ifuncmain1vis.c: New file.
2089         * testsuite/ifuncmod1.c: New file.
2090         * testsuite/ifuncdep2.c: New file.
2091         * testsuite/ifuncmain2.c: New file.
2092         * testsuite/ifuncmain3.c: New file.
2093         * testsuite/ifuncmod3.c: New file.
2094         * testsuite/ifuncmain4.c: New file.
2095         * testsuite/ifuncmain5.c: New file.
2096         * testsuite/ifuncmod5.c: New file.
2097         * testsuite/ifuncmain6pie.c: New file.
2098         * testsuite/ifuncmod6.c: New file.
2099         * testsuite/ifuncmain7.c: New file.
2100         * configure, testsuite/Makefile.in: Rebuild.
2101
2102 2010-08-18  Ian Lance Taylor  <iant@google.com>
2103
2104         * incremental.cc
2105         (Output_section_incremental_inputs::write_input_files): Add cast
2106         to avoid signed/unsigned comparison warning.
2107         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2108
2109 2010-08-12  Cary Coutant  <ccoutant@google.com>
2110
2111         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2112
2113 2010-08-13  Ian Lance Taylor  <iant@google.com>
2114
2115         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2116
2117 2010-08-12  Cary Coutant  <ccoutant@google.com>
2118             Doug Kwan  <dougkwan@google.com>
2119
2120         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2121         defintion overrides non-weak undef, remember that the original undef
2122         is not weak.
2123         * symtab.cc (Symbol_table::sized_write_global): For undef without
2124         an original weak binding, set binding to global in output.
2125         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2126         * testsuite/Makefile.in: Regenerate.
2127         * testsuite/strong_ref_weak_def.sh: New file.
2128         * testsuite/strong_ref_weak_def_1.c: Ditto.
2129         * testsuite/strong_ref_weak_def_2.c: Ditto.
2130
2131 2010-08-12  Cary Coutant  <ccoutant@google.com>
2132
2133         * testsuite/incremental_test.sh: Rewrite.
2134         * testsuite/incremental_test_1.c: Rewrite.
2135         * testsuite/incremental_test_2.c: Rewrite.
2136
2137 2010-08-12  Cary Coutant  <ccoutant@google.com>
2138
2139         * arm.cc (Target_arm::got_size): Add const.
2140         (Target_arm::got_entry_count): New function.
2141         (Target_arm::plt_entry_count): New function.
2142         (Target_arm::first_plt_entry_offset): New function.
2143         (Target_arm::plt_entry_size): New function.
2144         (Output_data_plt_arm::entry_count): New function.
2145         (Output_data_plt_arm::first_plt_entry_offset): New function.
2146         (Output_data_plt_arm::get_plt_entry_size): New function.
2147         * i386.cc (Target_i386::got_size): Add const.
2148         (Target_i386::got_entry_count): New function.
2149         (Target_i386::plt_entry_count): New function.
2150         (Target_i386::first_plt_entry_offset): New function.
2151         (Target_i386::plt_entry_size): New function.
2152         (Output_data_plt_i386::entry_count): New function.
2153         (Output_data_plt_i386::first_plt_entry_offset): New function.
2154         (Output_data_plt_i386::get_plt_entry_size): New function.
2155         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2156         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2157         * incremental.cc: Include target.h.
2158         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2159         parameter.  Adjust all callers.  Find incremental_got_plt section.
2160         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2161         section.
2162         (Output_section_incremental_inputs::set_final_data_size): Calculate
2163         size of incremental_got_plt section.
2164         (Output_section_incremental_inputs::do_write): Write the
2165         incremental_got_plt section.
2166         (Got_plt_view_info): New struct.
2167         (Local_got_offset_visitor): New class.
2168         (Global_got_offset_visitor): New class.
2169         (Global_symbol_visitor_got_plt): New class.
2170         (Output_section_incremental_inputs::write_got_plt): New function.
2171         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2172         Add parameter.  Adjust all callers.
2173         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2174         (Incremental_inputs::got_plt_section): New function.
2175         (Incremental_inputs::got_plt_section_): New data member.
2176         (Incremental_got_plt_reader): New class.
2177         * layout.cc (Layout::create_incremental_info_sections): Add the
2178         incremental_got_plt section.
2179         * object.h (Got_offset_list::get_list): New function.
2180         (Got offset_list::for_all_got_offsets): New function.
2181         (Sized_relobj::local_got_offset_list): New function.
2182         * powerpc.cc (Target_powerpc::got_size): Add const.
2183         (Target_powerpc::got_entry_count): New function.
2184         (Target_powerpc::plt_entry_count): New function.
2185         (Target_powerpc::first_plt_entry_offset): New function.
2186         (Target_powerpc::plt_entry_size): New function.
2187         (Output_data_plt_powerpc::entry_count): New function.
2188         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2189         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2190         * sparc.cc (Target_sparc::got_size): Add const.
2191         (Target_sparc::got_entry_count): New function.
2192         (Target_sparc::plt_entry_count): New function.
2193         (Target_sparc::first_plt_entry_offset): New function.
2194         (Target_sparc::plt_entry_size): New function.
2195         (Output_data_plt_sparc::entry_count): New function.
2196         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2197         (Output_data_plt_sparc::get_plt_entry_size): New function.
2198         * symtab.h (Symbol::got_offset_list): New function.
2199         (Symbol_table::for_all_symbols): New function.
2200         * target.h (Sized_target::got_entry_count): New function.
2201         (Sized_target::plt_entry_count): New function.
2202         (Sized_target::plt_entry_size): New function.
2203         * x86_64.cc (Target_x86_64::got_size): Add const.
2204         (Target_x86_64::got_entry_count): New function.
2205         (Target_x86_64::plt_entry_count): New function.
2206         (Target_x86_64::first_plt_entry_offset): New function.
2207         (Target_x86_64::plt_entry_size): New function.
2208         (Output_data_plt_x86_64::entry_count): New function.
2209         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2210         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2211
2212 2010-08-12  Cary Coutant  <ccoutant@google.com>
2213
2214         * archive.cc: Include incremental.h.
2215         (Archive::Archive): Initialize incremental_info_.
2216         (Archive::include_member): Record archive members in incremental info.
2217         (Add_archive_symbols::run): Record begin and end of an archive in
2218         incremental info.
2219         (Lib_group::include_member): Record objects in incremental info.
2220         * archive.h (Incremental_archive_entry): Forward declaration.
2221         (Archive::set_incremental_info): New member function.
2222         (Archive::incremental_info): New member function.
2223         (Archive::Unused_symbol_iterator): New class.
2224         (Archive::unused_symbols_begin): New member function.
2225         (Archive::unused_symbols_end): New member function.
2226         (Archive::incremental_info_): New data member.
2227         * incremental-dump.cc (find_input_containing_global): New function.
2228         (dump_incremental_inputs): Dump new incremental info sections.
2229         * incremental.cc: Include symtab.h.
2230         (Output_section_incremental_inputs): New class.
2231         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2232         new incremental info sections.
2233         (Sized_incremental_binary::do_check_inputs): Likewise.
2234         (Incremental_inputs::report_archive): Remove.
2235         (Incremental_inputs::report_archive_begin): New function.
2236         (Incremental_inputs::report_archive_end): New function.
2237         (Incremental_inputs::report_object): New function.
2238         (Incremental_inputs::finalize_inputs): Remove.
2239         (Incremental_inputs::report_input_section): New function.
2240         (Incremental_inputs::report_script): Rewrite.
2241         (Incremental_inputs::finalize): Do nothing but finalize string table.
2242         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2243         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2244         (Incremental_inputs::create_data_sections): New function.
2245         (Incremental_inputs::relocs_entsize): New function.
2246         (Output_section_incremental_inputs::set_final_data_size): New function.
2247         (Output_section_incremental_inputs::do_write): New function.
2248         (Output_section_incremental_inputs::write_header): New function.
2249         (Output_section_incremental_inputs::write_input_files): New function.
2250         (Output_section_incremental_inputs::write_info_blocks): New function.
2251         (Output_section_incremental_inputs::write_symtab): New function.
2252         * incremental.h (Incremental_script_entry): Forward declaration.
2253         (Incremental_object_entry): Forward declaration.
2254         (Incremental_archive_entry): Forward declaration.
2255         (Incremental_inputs): Forward declaration.
2256         (Incremental_inputs_header_data): Remove.
2257         (Incremental_inputs_header): Remove.
2258         (Incremental_inputs_header_write): Remove.
2259         (Incremental_inputs_entry_data): Remove.
2260         (Incremental_inputs_entry): Remove.
2261         (Incremental_inputs_entry_write): Remove.
2262         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2263         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2264         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2265         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2266         Likewise.
2267         (Incremental_input_entry): New class.
2268         (Incremental_script_entry): New class.
2269         (Incremental_object_entry): New class.
2270         (Incremental_archive_entry): New class.
2271         (Incremental_inputs::Incremental_inputs): Initialize new data members.
2272         (Incremental_inputs::report_inputs): Remove.
2273         (Incremental_inputs::report_archive): Remove.
2274         (Incremental_inputs::report_archive_begin): New function.
2275         (Incremental_inputs::report_archive_end): New function.
2276         (Incremental_inputs::report_object): Change prototype.
2277         (Incremental_inputs::report_input_section): New function.
2278         (Incremental_inputs::report_script): Change prototype.
2279         (Incremental_inputs::get_reloc_count): New function.
2280         (Incremental_inputs::set_reloc_count): New function.
2281         (Incremental_inputs::create_data_sections): New function.
2282         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2283         (Incremental_inputs::inputs_section): New function.
2284         (Incremental_inputs::symtab_section): New function.
2285         (Incremental_inputs::relocs_section): New function.
2286         (Incremental_inputs::get_stringpool): Add const.
2287         (Incremental_inputs::command_line): Add const.
2288         (Incremental_inputs::inputs): Remove.
2289         (Incremental_inputs::command_line_key): New function.
2290         (Incremental_inputs::input_file_count): New function.
2291         (Incremental_inputs::input_files): New function.
2292         (Incremental_inputs::relocs_entsize): New function.
2293         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2294         (Incremental_inputs::finalize_inputs): Remove.
2295         (Incremental_inputs::Input_info): Remove.
2296         (Incremental_inputs::lock_): Remove.
2297         (Incremental_inputs::inputs_): Change type.
2298         (Incremental_inputs::inputs_map_): Remove.
2299         (Incremental_inputs::current_object_entry_): New data member.
2300         (Incremental_inputs::inputs_section_): New data member.
2301         (Incremental_inputs::symtab_section_): New data member.
2302         (Incremental_inputs::relocs_section_): New data member.
2303         (Incremental_inputs::reloc_count_): New data member.
2304         (Incremental_inputs_reader): New class.
2305         (Incremental_symtab_reader): New class.
2306         (Incremental_relocs_reader): New class.
2307         * layout.cc (Layout::finalize): Move finalization of incremental info
2308         and creation of incremental info sections to follow finalization of
2309         symbol table.  Set offsets for postprocessing sections.
2310         (Layout::create_incremental_info_sections): Call
2311         Incremental_inputs::create_data_sections.  Add incremental symtab
2312         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
2313         sections to layout after input sections.
2314         * layout.h (struct Timespec): Forward declaration.
2315         (Layout::incremental_inputs): Add const.
2316         (Layout::create_incremental_info_sections): Add parameter.
2317         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
2318         * object.cc: Include incremental.h.
2319         (Relobj::finalize_incremental_relocs): New function.
2320         (Sized_relobj::do_layout): Record input sections in incremental info.
2321         * object.h (Object::output_section): New function.
2322         (Object::output_section_offset): Moved from Relobj.
2323         (Object::get_incremental_reloc_base): New function.
2324         (Object::get_incremental_reloc_count): New function.
2325         (Object::do_output_section): New function.
2326         (Object::do_output_section_offset): Moved from Relobj.
2327         (Object::do_get_incremental_reloc_base): New function.
2328         (Object::do_get_incremental_reloc_count): New function.
2329         (Object::Object): Initialize new data members.
2330         (Relobj::output_section): Renamed do_output_section and moved to
2331         protected.
2332         (Relobj::output_section_offset): Moved to Object.
2333         (Relobj::do_get_incremental_reloc_base): New function.
2334         (Relobj::do_get_incremental_reloc_count): New function.
2335         (Relobj::allocate_incremental_reloc_counts): New function.
2336         (Relobj::count_incremental_reloc): New function.
2337         (Relobj::finalize_incremental_relocs): New function.
2338         (Relobj::next_incremental_reloc_index): New function.
2339         (Relobj::reloc_counts_): New data member.
2340         (Relobj::reloc_bases_): New data member.
2341         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
2342         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
2343         (Sized_relobj::incremental_relocs_scan): New function.
2344         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2345         (Sized_relobj::incremental_relocs_write): New function.
2346         (Sized_relobj::incremental_relocs_write_reltype): New function.
2347         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
2348         incremental link.
2349         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
2350         archives and object files elsewhere.
2351         (Add_symbols::run): Report object files here.
2352         (Finish_group::run): Report end of archive at end of group.
2353         * reloc.cc: Include layout.h, incremental.h.
2354         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
2355         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
2356         (Sized_relobj::incremental_relocs_scan): New function.
2357         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2358         (Sized_relobj::do_relocate_sections): Write incremental relocations.
2359         (Sized_relobj::incremental_relocs_write): New function.
2360         (Sized_relobj::incremental_relocs_write_reltype): New function.
2361         * script.cc (read_input_script): Rewrite test for incremental link.
2362         Change call to Incremental_inputs::report_script.
2363         * symtab.h (Symbol_table::first_global_index): New function.
2364         (Symbol_table::output_count): New function.
2365
2366 2010-08-12  Doug Kwan  <dougkwan@google.com>
2367
2368         * arm.cc (Target_arm::merge_object_attributes): Check command line
2369         options --no-wchar-size-warning and --no-enum-size-warning.
2370         * options.h (General_options): Add ld-compatible options
2371         --no-enum-size-warning and --no-wchar-size-warning.
2372
2373 2010-08-04  Ian Lance Taylor  <iant@google.com>
2374
2375         * x86_64.cc (Target_x86_64::Scan::local): Use
2376         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
2377         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
2378         (Target_x86_64::Scan::global): Likewise.
2379         (Target_x86_64::Relocate::relocate): Likewise.
2380         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
2381         Likewise.
2382
2383 2010-08-03  Cary Coutant  <ccoutant@google.com>
2384
2385         * merge.cc (Output_merge_string::do_add_input_section): Count strings
2386         to reserve space in merged_strings vector. Keep total input size
2387         for stats.
2388         (Output_merge_string::do_print_merge_stats): Print total input size.
2389         * merge.h (Output_merge_string): Add input_size_ field.
2390         * stringpool.cc (Stringpool_template::string_length): Move
2391         implementations out of Stringpool_template class and place in
2392         stringpool.h.
2393         * stringpool.h (string_length): Move out of Stringpool_template.
2394
2395 2010-08-03  Ian Lance Taylor  <iant@google.com>
2396
2397         PR 11712
2398         * layout.cc (relaxation_loop_body): If address of load segment is
2399         set, adjust address to include headers if possible.
2400
2401 2010-08-03  Ian Lance Taylor  <iant@google.com>
2402
2403         * version.cc (version_string): Bump to 1.10.
2404
2405 2010-08-03  Ian Lance Taylor  <iant@google.com>
2406
2407         PR 11805
2408         * layout.h (enum Output_section_order): Define.
2409         (class Layout): Update declarations.
2410         * layout.cc (Layout::get_output_section): Add order parameter.
2411         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
2412         is_first_non_relro parameters.  Change all callers.
2413         (Layout::choose_output_section): Likewise.
2414         (Layout::add_output_section_data): Likewise.
2415         (Layout::make_output_section): Likewise.  Set order.
2416         (Layout::default_section_order): New function.
2417         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
2418         * output.cc (Output_section::Output_section): Initialize order_.
2419         Don't initialize deleted fields.
2420         (Output_segment::Output_segment): Don't initialize deleted
2421         fields.
2422         (Output_segment::add_output_section_to_load): New function
2423         replacing add_output_section.  Change all callers to call this or
2424         add_output_section_to_nonload.
2425         (Output_segment::add_output_section_to_nonload): New function.
2426         (Output_segment::remove_output_section): Rewrite.
2427         (Output_segment::add_initial_output_data): Likewise.
2428         (Output_segment::has_any_data_sections): Likewise.
2429         (Output_segment::is_first_section_relro): Likewise.
2430         (Output_segment::maximum_alignment): Likewise.
2431         (Output_segment::has_dynamic_reloc): New function replacing
2432         dynamic_reloc_count.  Change all callers.
2433         (Output_segment::has_dynamic_reloc_list): New function replacing
2434         dynamic_reloc_count_list.  Change all callers.
2435         (Output_segment::set_section_addresses): Rewrite.
2436         (Output_segment::set_offset): Rewrite.
2437         (Output_segment::find_first_and_last_list): Remove.
2438         (Output_segment::set_tls_offsets): Rewrite.
2439         (Output_segment::first_section_load_address): Likewise.
2440         (Output_segment::output_section_count): Likewise.
2441         (Output_segment::section_with_lowest_load_address): Likewise.
2442         (Output_segment::write_section_headers): Likewise.
2443         (Output_segment::print_sections_to_map): Likewise.
2444         * output.h (class Output_data): Remove dynamic_reloc_count_
2445         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2446         (Output_data::add_dynamic_reloc): Rewrite.
2447         (Output_data::has_dynamic_reloc): New function.
2448         (Output_data::dynamic_reloc_count): Remove.
2449         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2450         is_last_relro_, is_first_non_relro_, is_interp_,
2451         is_dynamic_linker_section_ fields.  Add order and set_order
2452         functions.  Remove is_relro_local, set_is_relro_local,
2453         is_last_relro, set_is_last_relro, is_first_non_relro,
2454         set_is_first_non_relro functions, is_interp, set_is_interp,
2455         is_dynamic_linker_section, and set_is_dynamic_linker_section
2456         functions.
2457         (class Output_segment): Change Output_data_list from std::list to
2458         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2459         output_bss_ fields.  Update declarations.
2460
2461 2010-08-02  Ian Lance Taylor  <iant@google.com>
2462
2463         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2464         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2465         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2466
2467 2010-08-02  Ian Lance Taylor  <iant@google.com>
2468
2469         PR 11855
2470         * script.cc (Script_options::Script_options): Initialize
2471         symbol_definitions_ and symbol_references_.
2472         (Script_options::add_symbol_assignment): Update
2473         symbol_definitions_ and symbol_references_.
2474         (Script_options::add_symbol_reference): New function.
2475         (script_symbol): New function.
2476         * script.h (class Script_options): Add symbol_definitions_ and
2477         symbol_references_ fields.
2478         (Script_options::referenced_const_iterator): New type.
2479         (Script_options::referenced_begin): New function.
2480         (Script_options::referenced_end): New function.
2481         (Script_options::is_referenced): New function.
2482         (Script_options::any_unreferenced): New function.
2483         * script-c.h (script_symbol): Declare.
2484         * yyscript.y (exp): Call script_symbol.
2485         * symtab.cc: Include "script.h".
2486         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2487         Change all callers.  Check symbols referenced by scripts.
2488         (Symbol_table::add_undefined_symbols_from_command_line): Add
2489         layout parameter.  Change all callers.
2490         (Symbol_table::do_add_undefined_symbols_from_command_line):
2491         Likewise.  Break out loop body.  Check symbols referenced by
2492         scripts.
2493         (Symbol_table::add_undefined_symbol_from_command_line): New
2494         function broken out of
2495         do_add_undefined_symbols_from_command_line.
2496         * symtab.h (class Symbol_table): Update declarations.
2497         * archive.cc: Include "layout.h".
2498         (Archive::should_include_member): Add layout parameter.  Change
2499         all callers.  Check for symbol mentioned in expression.
2500         * archive.h (class Archive): Update declaration.
2501         * object.cc (Sized_relobj::do_should_include_member): Add layout
2502         parameter.
2503         * object.h (Object::should_include_member): Add layout parameter.
2504         Change all callers.
2505         (Object::do_should_include_member): Add layout parameter.
2506         (class Sized_relobj): Update declaration.
2507         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2508         parameter.
2509         * dynobj.h (class Sized_dynobj): Update declaration.
2510         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2511         layout parameter.
2512         * plugin.h (class Sized_pluginobj): Update declaration.
2513
2514 2010-08-02  Ian Lance Taylor  <iant@google.com>
2515
2516         PR 11866
2517         * output.cc (Output_segment::set_offset): Search for the first and
2518         last sections rather than assuming that the list is in order.
2519         (Output_segment::find_first_and_last_list): New function.
2520         * output.h (class Output_segment): Update declarations.
2521         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2522         (relro_strip_test_SOURCES): New variable.
2523         (relro_strip_test_DEPENDENCIES): New variable.
2524         (relro_strip_test_LDFLAGS): New variable.
2525         (relro_strip_test_LDADD): New variable.
2526         (relro_strip_test.so): New target.
2527
2528 2010-08-02  Ian Lance Taylor  <iant@google.com>
2529
2530         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2531         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2532         (Target_i386::got_tlsdesc_section): New function.
2533         (Target_i386::got_section): Create space for GOT entries for
2534         TLSDESC relocations.
2535         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2536         R_386_TLS_GOTDESC.
2537         (Target_i386::Scan::global): Likewise.
2538         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2539         using TLSDESC GOT.
2540         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2541         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2542         (Target_x86_64::got_tlsdesc_section): New function.
2543         (Target_x86_64::got_section): Create space for GOT entries for
2544         TLSDESC relocations.
2545         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2546         R_386_TLS_GOTDESC.
2547         (Target_x86_64::Scan::global): Likewise.
2548         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2549         using TLSDESC GOT.
2550
2551 2010-08-02  Ian Lance Taylor  <iant@google.com>
2552
2553         * testsuite/final_layout.sh: Use dc to convert from hex to
2554         decimal.
2555
2556 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2557
2558         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2559         paramter to the call to gold::gc_process_relocs.
2560         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2561         paramter to the call to gold::gc_process_relocs.
2562         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2563         parameter to the call to gold::gc_process_relocs.
2564         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2565         template parameter to the call to gold::gc_process_relocs.
2566         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2567         paramter to the call to gold::gc_process_relocs.
2568         * gc.h (get_embedded_addend_size): New function.
2569         (gc_process_relocs): Save the size of the reloc for use by ICF.
2570         * icf.cc (get_section_contents): Get the addend from the text section
2571         for SHT_REL relocation sections.
2572         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2573         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2574         * int_encoding.h (read_from_pointer): New overloaded function.
2575         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2576         * testsuite/icf_sht_rel_addend_test.sh: New file.
2577         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2578         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2579
2580 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2581
2582         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2583         * Makefile.in: Regenerate.
2584         * testsuite/Makefile.in: Regenerate.
2585
2586 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2587
2588         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2589         * gold/testsuite/debug_msg.cc: Likewise.
2590         * gold/testsuite/odr_violation1.cc
2591         * gold/testsuite/odr_violation2.cc
2592
2593 2010-07-21  Cary Coutant  <ccoutant@google.com>
2594
2595         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2596         string, and length fields.
2597         (Output_merge_string::Merged_strings_list): New type.
2598         (Output_merge_string::Merged_strings_lists): New typedef.
2599         (Output_merge_string): Replace merged_strings_ with
2600         merged_strings_lists_.
2601         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2602         Merged_strings_list per input object and section.  Don't store pointer
2603         to the string.  Don't store length with each merged string entry.
2604         (Output_merge_string::finalize_merged_data): Loop over list of merged
2605         strings lists.  Recompute length of each merged string.
2606
2607 2010-07-15  Cary Coutant  <ccoutant@google.com>
2608
2609         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2610         here.
2611
2612 2010-07-14  Ian Lance Taylor  <iant@google.com>
2613
2614         * descriptors.cc (Descriptors::open): Report correct name in error
2615         message.
2616
2617 2010-07-13  Doug Kwan  <dougkwan@google.com>
2618
2619         * arm.cc (Arm_input_section::Arm_input_section): For a
2620         SHT_ARM_EXIDX section, always keeps the input sections.
2621         (Arm_input_section::set_exidx_section_link): New method.
2622         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2623         has_errors_ to false.
2624         (Arm_exidx_input_section::has_errors,
2625         Arm_exidx_input_section::set_has_errors): New methods.
2626         (Arm_exidx_input_section::has_errors_): New data member.
2627         (Arm_relobj::get_exidx_shndx_list): New method.
2628         (Arm_output_section::append_text_sections_to_list): Do not skip
2629         section without SHF_EXECINSTR.
2630         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2631         errors.
2632         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2633         section header.  Make error messages more verbose.  Check for
2634         a non-executable section linked to an EXIDX section.
2635         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2636         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2637         check that there is no deferred EXIDX section if we exit early.
2638         Instead of not making an EXIDX section in case of an error, make one
2639         and set the has_errors flag of it.
2640         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2641         in a relocatable link.
2642         (Target_arm::do_relax): Look for the EXIDX output section instead of
2643         assuming that it is called .ARM.exidx.
2644         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2645         section list.  Do not check for SHF_EXECINSTR section flags but
2646         skip any input section with errors.
2647         * output.cc (Output_section::Output_section): Initialize
2648         always_keeps_input_sections_ to false.
2649         (Output_section::add_input_section): Check for
2650         always_keeps_input_sections_.
2651         *  output.h (Output_section::always_keeps_input_sections,
2652         Output_section::set_always_keeps_input_sections): New methods.
2653         (Output_section::always_keeps_input_sections): New data member.
2654
2655 2010-07-13  Rafael Espindola  <espindola@google.com>
2656
2657         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2658         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2659
2660 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2661             Ian Lance Taylor  <iant@google.com>
2662
2663         * output.h (Output_section_lookup_maps::add_merge_section):
2664         Correct check of whether value was inserted.
2665         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2666         (Output_section_lookup_maps::add_relaxed_input_section):
2667         Likewise.
2668         * arm.cc (Target_arm::got_section): Remove used local os.
2669         * i386.cc (Target_i386::got_section): Likewise.
2670         * x86_64.cc (Target_x86_64::got_section): Likewise.
2671         * sparc.cc (Target_sparc::got_section): Likewise.
2672         (Target_sparc::relocate): Remove unused local have_got_offset.
2673         * powerpc.cc (Target_powerpc::relocate): Likewise.
2674
2675 2010-07-13  Ian Lance Taylor  <iant@google.com>
2676
2677         * compressed_output.cc (zlib_decompress): Fix signature in
2678         !HAVE_ZLIB_H case.
2679
2680         * archive.cc (Archive::include_member): Unlock an external member
2681         of a thin archive.  Don't bother to delete an object we know is
2682         NULL.
2683
2684 2010-07-12  Cary Coutant  <ccoutant@google.com>
2685
2686         * compressed_output.cc (zlib_decompress): New function.
2687         (get_uncompressed_size): New function.
2688         (decompress_input_section): New function.
2689         * compressed_output.h (get_uncompressed_size): New function.
2690         (decompress_input_section): New function.
2691         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2692         Handle compressed debug sections.
2693         * layout.cc (is_compressed_debug_section): New function.
2694         (Layout::output_section_name): Map compressed section names to
2695         canonical names.
2696         * layout.h (is_compressed_debug_section): New function.
2697         (is_debug_info_section): Recognize compressed debug sections.
2698         * merge.cc: Include compressed_output.h.
2699         (Output_merge_data::do_add_input_section): Handle compressed
2700         debug sections.
2701         (Output_merge_string::do_add_input_section): Handle compressed
2702         debug sections.
2703         * object.cc: Include compressed_output.h.
2704         (Sized_relobj::Sized_relobj): Initialize new data members.
2705         (build_compressed_section_map): New function.
2706         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2707         * object.h (Object::section_is_compressed): New method.
2708         (Object::do_section_is_compressed): New method.
2709         (Sized_relobj::Compressed_section_map): New type.
2710         (Sized_relobj::do_section_is_compressed): New method.
2711         (Sized_relobj::compressed_sections_): New data member.
2712         * output.cc (Output_section::add_input_section): Handle compressed
2713         debug sections.
2714         * reloc.cc: Include compressed_output.h.
2715         (Sized_relobj::write_sections): Handle compressed debug sections.
2716
2717 2010-07-08  Cary Coutant  <ccoutant@google.com>
2718
2719         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2720         weak when resolving to a dynamic def.
2721         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2722         for weak undef/dynamic def cases. Adjust callers.
2723         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2724         undef_binding_weak_.
2725         (Symbol_table::sized_write_globals): Adjust symbol binding.
2726         (Symbol_table::sized_write_symbol): Add binding parameter.
2727         * symtab.h (Symbol::set_undef_binding): New method.
2728         (Symbol::is_undef_binding_weak): New method.
2729         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2730         (Symbol_table::should_override): Add new parameter.
2731         (Symbol_table::sized_write_symbol): Add new parameter.
2732
2733         * testsuite/weak_undef_file1.cc: Add new test case.
2734         * testsuite/weak_undef_file2.cc: Fix header comment.
2735         * testsuite/weak_undef_test.cc: Add new test case.
2736
2737 2010-06-29  Doug Kwan  <dougkwan@google.com>
2738
2739         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
2740         Initialize USE_SYMBOL_.
2741         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
2742         definition.
2743         (Arm_reloc_property::uses_symbol_): New data member declaration.
2744         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
2745         uses symbol value and symbol is undefined but not weakly undefined.
2746
2747 2010-06-28  Rafael Espindola  <espindola@google.com>
2748
2749         * plugin.cc (Plugin::load): Use dlerror.
2750
2751 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2752
2753         * symtab.cc (detect_odr_violations): When reporting an ODR
2754         violation, report an object where the symbol is defined.
2755
2756 2010-06-25  Doug Kwan  <dougkwan@google.com>
2757
2758         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
2759         (Target_arm::section_may_have_icf_unsafe_pointers): New method
2760         definition.
2761         (Target_arm::Scan::local_reloc_may_be_function_pointer,
2762         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
2763         target hook to detect function points.
2764         (Target_arm::Scan::possible_function_pointer_reloc): New method.
2765         * icf.h (Icf::check_section_for_function_pointers): Change type of
2766         parameter SECTION_NAME to const reference to std::string.  Use
2767         target hook to determine if section may have unsafe pointers.
2768         * target.h (Target::section_may_have_icf_unsafe_pointers): New
2769         method definition.
2770
2771 2010-06-21  Rafael Espindola  <espindola@google.com>
2772
2773         * fileread.cc (Input_file::find_fie): New
2774         (Input_file::open): Use Input_file::find_fie.
2775         * fileread.h (Input_file::find_fie): New
2776         * plugin.cc (set_extra_library_path): New.
2777         (Plugin::load): Add set_extra_library_path to the transfer vector.
2778         (Plugin_manager::set_extra_library_path): New.
2779         (Plugin_manager::add_input_file): Use the extra search path if set.
2780         (set_extra_library_path(): New.
2781         * plugin.h (Plugin_manager): Add set_extra_library_path and
2782         extra_search_path_.
2783
2784 2010-06-19  Cary Coutant  <ccoutant@google.com>
2785
2786         * layout.cc (gdb_sections): Add .debug_types.
2787         (lines_only_debug_sections): Likewise.
2788
2789 2010-06-18  Rafael Espindola  <espindola@google.com>
2790
2791         * plugin.cc (add_input_file,add_input_library)
2792         (Plugin_manager::add_input_file): Make filename arguments const.
2793         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
2794         const.
2795
2796 2010-06-16  Doug Kwan  <dougkwan@google.com>
2797
2798         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
2799         .ARM.attributes section if we have not merged any input
2800         attributes sections.
2801
2802 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2803
2804         * arm.cc: Allow combining objects with no EABI version
2805         information.
2806
2807 2010-06-15  Rafael Espindola  <espindola@google.com>
2808
2809         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
2810
2811 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2812
2813         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
2814         (struct iovec): Correct !HAVE_READV definition.
2815
2816 2010-06-10  Cary Coutant  <ccoutant@google.com>
2817
2818         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
2819         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
2820         reloc sections.
2821         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
2822
2823         PR 11683
2824         * symtab.h (Symbol::is_placeholder): New member function.
2825         * target-reloc.h (relocate_section): Check for placeholder symbols.
2826
2827         * testsuite/Makefile.am (plugin_test_8): New test.
2828         (plugin_test_9): New test.
2829         * testsuite/Makefile.in: Regenerate.
2830
2831 2010-06-09  Nick Clifton  <nickc@redhat.com>
2832
2833         * yyscript.y (input_list_element): Allow strings prefixed with
2834         the '-' character.  Treat these as libraries.
2835         * script.cc (script_add_library): New function.  Adds a library
2836         specified by "-l<name>" found in an input script.
2837         * script-c.h: Add prototype for script_add_library.
2838
2839 2010-06-07  Doug Kwan  <dougkwan@google.com>
2840
2841         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
2842         Restrict stub-group size to be within long conditional branch
2843         range when working around cortex-A8 erratum.
2844
2845 2010-06-07  Damien Diederen  <dd@crosstwine.com>
2846
2847         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
2848         #ifdef typo.
2849
2850 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
2851
2852         PR gold/11658
2853         * output.cc
2854         (Output_section::Input_section_sort_entry::compare_section_ordering):
2855         Change to return non-zero correctly.
2856         (Output_section::Input_section_sort_section_order_index_compare
2857         ::operator()): Change to fix ambiguity in comparisons.
2858
2859 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
2860
2861         * gold.h (is_wildcard_string): New function.
2862         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
2863         (Layout::layout_eh_frame): Ditto.
2864         (Layout::find_section_order_index): New method.
2865         (Layout::read_layout_from_file): New method.
2866         * layout.h (Layout::find_section_order_index): New method.
2867         (Layout::read_layout_from_file): New method.
2868         (Layout::input_section_position_): New private member.
2869         (Layout::input_section_glob_): New private member.
2870         * main.cc (main): Call read_layout_from_file here.
2871         * options.h (--section-ordering-file): New option.
2872         * output.cc (Output_section::input_section_order_specified_): New
2873         member.
2874         (Output_section::Output_section): Initialize new member.
2875         (Output_section::add_input_section): Add new parameter.
2876         Keep input sections when --section-ordering-file is used.
2877         (Output_section::set_final_data_size): Sort input sections when
2878         section ordering file is specified.
2879         (Output_section::Input_section_sort_entry): Add new parameter.
2880         Check sorting type.
2881         (Output_section::Input_section_sort_entry::compare_section_ordering):
2882         New method.
2883         (Output_section::Input_section_sort_compare::operator()): Change to
2884         consider section_order_index.
2885         (Output_section::Input_section_sort_init_fini_compare::operator()):
2886         Change to consider section_order_index.
2887         (Output_section::Input_section_sort_section_order_index_compare
2888         ::operator()): New method.
2889         (Output_section::sort_attached_input_sections): Change to sort
2890         according to section order when specified.
2891         (Output_section::add_input_section<32, true>): Add new parameter.
2892         (Output_section::add_input_section<64, true>): Add new parameter.
2893         (Output_section::add_input_section<32, false>): Add new parameter.
2894         (Output_section::add_input_section<64, false>): Add new parameter.
2895         * output.h (Output_section::add_input_section): Add new parameter.
2896         (Output_section::input_section_order_specified): New
2897         method.
2898         (Output_section::set_input_section_order_specified): New method.
2899         (Input_section::Input_section): Initialize section_order_index_.
2900         (Input_section::section_order_index): New method.
2901         (Input_section::set_section_order_index): New method.
2902         (Input_section::section_order_index_): New member.
2903         (Input_section::Input_section_sort_section_order_index_compare): New
2904         struct.
2905         (Output_section::input_section_order_specified_): New member.
2906         * script-sections.cc (is_wildcard_string): Delete and move modified
2907         method to gold.h.
2908         (Output_section_element_input::Output_section_element_input): Modify
2909         call to is_wildcard_string.
2910         (Output_section_element_input::Input_section_pattern
2911         ::Input_section_pattern): Ditto.
2912         (Output_section_element_input::Output_section_element_input): Ditto.
2913         * testsuite/Makefile.am (final_layout): New test case.
2914         * testsuite/Makefile.in: Regenerate.
2915         * testsuite/final_layout.cc: New file.
2916         * testsuite/final_layout.sh: New file.
2917
2918 2010-06-01  Rafael Espindola  <espindola@google.com>
2919
2920         * plugin.cc (Plugin::load): Pass the output name to the plugin.
2921
2922 2010-06-01  Rafael Espindola  <espindola@google.com>
2923
2924         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
2925         visibility of symbols.
2926
2927 2010-05-27  Doug Kwan  <dougkwan@google.com>
2928
2929         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
2930         from start of output section instead of address for a local symbol
2931         in a merged or relaxed section when doing a relocatable link.
2932
2933 2010-05-26  Rafael Espindola  <espindola@google.com>
2934
2935        PR 11604
2936         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
2937         adding sections the garbage collector removed.
2938         * gold/testsuite/Makefile.am: Add test.
2939         * gold/testsuite/Makefile.in: Regenerate.
2940         * gold/testsuite/plugin_test_7.sh: New.
2941         * gold/testsuite/plugin_test_7_1.c: New.
2942         * gold/testsuite/plugin_test_7_2.c: New.
2943
2944 2010-05-26  Rafael Espindola  <espindola@google.com>
2945
2946         * script-sections.cc (Output_section_definition::set_section_addresses):
2947         Check for --section-start.
2948
2949 2010-05-26  Doug Kwan  <dougkwan@google.com>
2950
2951         * arm.cc (Arm_scan_relocatable_relocs): New class.
2952         (Target_arm::relocate_special_relocatable): New method.
2953         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
2954         (Arm_relocate_functions::thumb_branch_common): Same.
2955         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
2956         instead of Default_scan_relocatable_relocs.
2957         * target-reloc.h (relocate_for_relocatable): Let target handle
2958         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
2959         * target.h (Sized_target::relocate_special_relocatable): New method.
2960
2961 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2962
2963         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
2964
2965 2010-05-23  Doug Kwan  <dougkwan@google.com>
2966
2967         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
2968         instead of a cast.
2969         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
2970         with a direct branch, not a conditional branch, to a stub.
2971         * merge.cc (Output_merge_base::record_input_section): New method
2972         defintion.
2973         (Output_merge_data::do_add_input_section): Record input section if
2974         keeps-input-sections flag is set.
2975         (Output_merge_string::do_add_input_section): Ditto.
2976         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
2977         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
2978         INPUT_SECTIONS_.
2979         (Output_merge_base::keeps_input_sections,
2980         Output_merge_base::set_keeps_input_sections,
2981         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
2982         method definitions.
2983         (Output_merge_base::Input_sections): New type declaration.
2984         (Output_merge_base::input_sections_begin,
2985         Output_merge_base::input_sections_end,
2986         Output_merge_base::do_set_keeps_input_sections): New method definitions.
2987         (Output_merge_base::bool keeps_input_sections_,
2988         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
2989         Output_merge_base::input_sections_): New data members.
2990         (Output_merge_data::do_set_keeps_input_sections): New method
2991         defintion.
2992         (Output_merge_string::do_set_keeps_input_sections): Ditto.
2993         * output.cc (Output_section::Input_section::relobj): Move method
2994         defintion from class declaration to here and handle merge sections.
2995         (Output_section::Input_section::shndx): Ditto.
2996         (Output_section::Output_section): Remove initializations of removed
2997         data members and initialize new data member LOOKUP_MAPS_.
2998         (Output_section::add_input_section): Set keeps-input-sections flag
2999         for a newly created merge output section as appropriate.  Adjust code
3000         to use Output_section_lookup_maps class.
3001         (Output_section::add_relaxed_input_section): Adjst code for lookup
3002         maps code refactoring.
3003         (Output_section::add_merge_input_section): Add a new parameter
3004         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3005         class.  If adding input section to a newly created merge output
3006         section fails, remove the new merge section.
3007         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3008         Adjust code for use of the Output_section_lookup_maps class.
3009         (Output_section::find_merge_section): Ditto.
3010         (Output_section::build_lookup_maps): New method defintion.
3011         (Output_section::find_relaxed_input_section): Adjust code to use
3012         Output_section_lookup_maps class.
3013         (Output_section::get_input_sections): Export merge sections.  Adjust
3014         code to use Output_section_lookup_maps class.
3015         (Output_section:::add_script_input_section): Adjust code to use
3016         Output_section_lookup_maps class.  Update lookup maps for merge
3017         sections also.
3018         (Output_section::discard_states): Use Output_section_lookup_maps.
3019         (Output_section::restore_states): Same.
3020         * output.h (Merge_section_properties): Move class defintion out of
3021         Output_section.
3022         (Output_section_lookup_maps): New class.
3023         (Output_section::Input_section::is_merge_section): New method
3024         defintion.
3025         (Output_section::Input_section::relobj): Move defintion out of class
3026         defintion.  Declare method only.
3027         (Output_section::Input_section::shndx): Ditto.
3028         (Output_section::Input_section::output_merge_base): New method defintion.
3029         (Output_section::Input_section::u2_.pomb): New union field.
3030         (Output_section::Merge_section_by_properties_map,
3031         Output_section::Output_section_data_by_input_section_map,
3032         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3033         Remove types.
3034         (Output_section::add_merge_input_section): Add new parameter
3035         KEEPS_INPUT_SECTIONS.
3036         (Output_section::build_lookup_maps): New method declaration.
3037         (Output_section::merge_section_map_,
3038         Output_section::merge_section_by_properties_map_,
3039         Output_section::relaxed_input_section_map_,
3040         Output_section::is_relaxed_input_section_map_valid_): Remove data
3041         members.
3042         (Output_section::lookup_maps_): New data member.
3043
3044 2010-05-21  Doug Kwan  <dougkwan@google.com>
3045
3046         PR gold/11619
3047         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3048         avoid a compilation error.
3049
3050 2010-05-19  Rafael Espindola  <espindola@google.com>
3051
3052         * script-sections.cc (Output_section_definition::allocate_to_segment):
3053         Update the phdrs_list even when the output section is NULL.
3054         * testsuite/Makefile.am: Add test.
3055         * testsuite/Makefile.in: Regenerate.
3056         * testsuite/script_test_9.cc: New.
3057         * testsuite/script_test_9.sh: New.
3058         * testsuite/script_test_9.t: New.
3059
3060 2010-05-19  Doug Kwan  <dougkwan@google.com>
3061
3062         * arm.cc (Arm_input_section::original_size): New method.
3063         (Arm_input_section::do_addralign): Add a cast.
3064         (Arm_input_section::do_output_offset): Remove static cast.
3065         (Arm_input_section::original_addralign,
3066          Arm_input_section::original_size_): Change type to uint32_t.
3067         (Arm_input_section::init): Add safe casts for section alignment
3068         and size.
3069         (Arm_input_section::set_final_data_size): Do not set address and
3070         offset of stub table.
3071         (Arm_output_section::fix_exidx_coverage): Change use of of
3072         Output_section::Simple_input_section to that of
3073         Output_section::Input_section.
3074         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3075         except for the first pass.
3076         * output.cc (Output_section::get_input_sections): Change type of
3077         input_sections to std::list<Input_section>.
3078         (Output_section::add_script_input_section): Rename from
3079         Output_section::add_simple_input_section.  Change type of SIS
3080         parameter from Simple_input_section to Input_section.
3081         * output.h (Output_section::Simple_input_section): Remove class.
3082         (Output_section::Input_section): Change class visibility to public.
3083         (Output_section::Input_section::addralign): Use stored alignments
3084         for special input sections if set.
3085         (Output_section::Input_section::set_addralign): New method.
3086         (Output_section::get_input_sections): Change parameter type from
3087         list of Simple_input_section to list of Input_section.
3088         (Output_section::add_script_input_section): Rename from
3089         Output_section::add_simple_input_section. Change first parameter's
3090         type from Simple_input_section to Input_section and remove the
3091         second and third parameters.
3092         * script-sections.cc (Input_section::Input_section_list): Change
3093         type to list of Output_section::Input_section/
3094         (Input_section_info::Input_section_info): Change parameter type of
3095         INPUT_SECTION to Output_section::Input_section.
3096         (Input_section_info::input_section): Change return type.
3097         (Input_section_info::input_section_): Change type to
3098         Output_section::Input_section.
3099         (Output_section_element_input::set_section_addresses): Adjust code
3100         to use Output_section::Input_section instead of
3101         Output_section::Simple_input_section.  Adjust code for renaming
3102         of Output_section::add_simple_input_section.
3103         (Orphan_output_section::set_section_addresses): Ditto.
3104
3105 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3106
3107         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3108         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3109
3110 2010-05-18  Rafael Espindola  <espindola@google.com>
3111
3112         * options.cc (General_options::finalize): Handle -nostdlib.
3113         * options.h (nostdlib): New option.
3114         * script.cc (script_add_search_dir): Handle -nostdlib.
3115
3116 2010-05-12  Doug Kwan  <dougkwan@google.com>
3117
3118         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3119         attributes section only if there no attributes section after merging.
3120         (Target_arm::merge_object_attributes): Move value of
3121         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3122         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3123         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3124         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3125         and arm_attr_merge_7.stdout.
3126         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3127         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3128         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3129         arm_attr_merge_7b.o): New rules.
3130         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3131         arm_attr_merge_7
3132         * testsuite/Makefile.in: Regenerate.
3133         * testsuite/arm_attr_merge.sh: New file.
3134         * testsuite/arm_attr_merge_[67][ab].s: Same.
3135
3136 2010-05-05  Nick Clifton  <nickc@redhat.com>
3137
3138         * po/es.po: Updated Spanish translation.
3139
3140 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3141
3142         * Makefile.am (install-exec-local): Properly install gold as
3143         default cross linker.
3144         * Makefile.in: Regenerated.
3145
3146 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3147             Nick Clifton  <nickc@redhat.com>
3148
3149         * configure.ac (install_as_default): Define and set to false
3150         unless --enable-gold or --enable-gold=both/gold has been
3151         specified.
3152         * configure: Regenerate.
3153
3154         * Makefile.am (install-exec-local): Install the executable as
3155         'ld.gold'.  If install_as_default is true then also install it as
3156         'ld'.
3157         * Makefile.in: Regenerated.
3158
3159 2010-04-24  Ian Lance Taylor  <iant@google.com>
3160
3161         * layout.cc (Layout::layout_reloc): In relocatable link don't
3162         combine reloc sections for grouped sections.
3163
3164 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3165
3166         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3167         sections that are not ordinary to icf.
3168         * icf.cc (get_section_contents): Handle relocation pointing to section
3169         with no object or shndx information.
3170         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3171         * testsuite/Makefile.in: Regenerate.
3172         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3173         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3174
3175 2010-04-22  Ian Lance Taylor  <iant@google.com>
3176
3177         * expression.cc (Expression::Expression_eval_info): Add
3178         result_alignment_pointer field.
3179         (Expression::eval_with_dot): Add result_alignment_pointer
3180         parameter.  Change all callers.
3181         (Expression::eval_maybe_dot): Likewise.
3182         (class Binary_expression): Add alignment_pointer parameter to
3183         left_value and right_value.  Change all callers.
3184         (BINARY_EXPRESSION): Set result alignment.
3185         (class Trinary_expression): Add alignment_pointer parameter to
3186         arg2_value and arg3_value.  Change all callers.
3187         (Trinary_cond::value): Set result alignment.
3188         (Max_expression::value, Min_expression::value): Likewise.
3189         (Align_expression::value): Likewise.
3190         * script-sections.cc (class Sections_element): Add dot_alignment
3191         parameter to set_section_addresses virtual function.  Update
3192         instantiations.
3193         (class Output_section_element): Likewise.
3194         (Script_sections::create_segments): Add dot_alignment parameter.
3195         Change all callers.
3196         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3197         (Script_sections::set_phdrs_clause_addresses): Likewise.
3198         * script-sections.h: Update declarations.
3199         * script.h: Update declarations.
3200         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3201         min_p_align.
3202         * testsuite/script_test_3.t: Set large alignment.
3203         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3204         segment has expected alignment.
3205
3206 2010-04-22  Nick Clifton  <nickc@redhat.com>
3207
3208         * po/gold.pot: Updated by the Translation project.
3209         * po/vi.po: Updated Vietnamese translation.
3210
3211 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3212
3213         * testsuite/Makefile.am (check_PROGRAMS): Add
3214         icf_virtual_function_folding_test.
3215         * testsuite/Makefile.in: Regenerated.
3216
3217 2010-04-15  Andrew Haley  <aph@redhat.com>
3218
3219         * options.h (merge_exidx_entries): New option.
3220         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3221         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3222         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3223         (Target_arm::merge_exidx_entries): New function.
3224         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3225         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3226         to Arm_exidx_fixup constructor.
3227         Add new arg, merge_exidx_entries.
3228         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3229         Arm_output_section::fix_exidx_coverage.
3230
3231 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3232
3233         * icf.cc (get_section_contents): Check for preemptible functions.
3234         Ignore addend when appropriate.
3235         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3236         section folded.
3237         (add_from_relobj): Check for section folded.
3238         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3239         * symtab.h (should_add_dynsym_entry): Add new parameter.
3240         * target-reloc.h (scan_relocs): Check for section folded.
3241         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3242         Check reloc types for function pointers in shared objects.
3243         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3244         case.
3245         (icf_preemptible_functions_test): New test case.
3246         (icf_string_merge_test): New test case.
3247         * testsuite.Makefile.in: Regenerate.
3248         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3249         bar_glob.  Refactor code.
3250         * testsuite/icf_preemptible_functions_test.cc: New file.
3251         * testsuite/icf_preemptible_functions_test.sh: New file.
3252         * testsuite/icf_string_merge_test.cc: New file.
3253         * testsuite/icf_string_merge_test.sh: New file.
3254         * testsuite/icf_virtual_function_folding_test.cc: New file.
3255         * testsuite/icf_virtual_function_folding_test.sh: New file.
3256
3257 2010-04-14  Doug Kwan  <dougkwan@google.com>
3258
3259         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3260         for local symbol recounting if we remove a section due to ICF.
3261         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3262         there are no regular objects in input.
3263
3264 2010-04-13  Doug Kwan  <dougkwan@google.com>
3265
3266         * arm.cc (Arm_input_section::set_final_data_size): Compute
3267         accurate final data size instead of using current data size.
3268
3269 2010-04-09  Doug Kwan  <dougkwan@google.com>
3270
3271         * layout.cc (Layout::choose_output_section): Handle script section
3272         types.
3273         (Layout::make_output_section_for_script): Add section type parameter.
3274         Handle script section types.
3275         * layout.h (Layout::make_output_section_for_script): Add section
3276         type parameter.
3277         * output.cc (Output_section::Output_section): Initialize data member
3278         is_noload_.
3279         (Output_section::do_reset_address_and_file_offset): Do not set address
3280         to 0 if section is a NOLOAD section.
3281         * output.h (Output_section::is_noload): New method.
3282         (Output_section::set_is_noload): Ditto.
3283         (Output_section::is_noload_): New data member.
3284         * script-c.h (Script_section_type): New enum type.
3285         (struct Parser_output_section_header): Add new file section_type.
3286         * script-sections.cc (Sections_element::output_section_name): Add
3287         parameter for returning script section type.
3288         (Output_section_definition::output_section_name): Ditto.
3289         (Output_section_definition::section_type)P; New method.
3290         (Output_section_definiton::script_section_type_name): Ditto.
3291         (Output_section_definition::script_section_type_): New data member.
3292         (Output_section_definition::Output_section_definition): Initialize
3293         data member Output_section_definition::script_section_type_.
3294         (Output_section_definition::create_sections): Pass script section type
3295         to Layout::make_output_section_for_script.
3296         (Output_section_definition::output_section_name): Return script
3297         section type to caller.
3298         (Output_section_definition::set_section_address): Do not advance
3299         dot value and load address if section type is NOLOAD.  Set address
3300         of NOLOAD sections regardless of section flags.
3301         (Output_section_definition::print): Print section type if it is
3302         not SCRIPT_SECTION_TYPE_NONE.
3303         (Output_section_definition::section_type): New method.
3304         (Output_section_definition::script_section_type_name): Ditto.
3305         (Script_sections::output_section_name): Add new parameter
3306         PSECTION_TYPE for returning script section type.  Pass it to
3307         section elements.  Handle discard sections.
3308         (Sort_output_sections::operator()): Handle NOLOAD sections.
3309         * script-sections.h (Script_sections::Section_type): New enum type.
3310         (Script_sections::output_section_name): Add a new parameter for
3311         returning script section type.
3312         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
3313         INFO and NOLOAD.
3314         * yyscript.y (union): Add new field SECTION_TYPE.
3315         (COPY, DSECT, INFO, NOLOAD): New tokens.
3316         (opt_address_and_section_type): Change type to output_section_header.
3317         (section_type): New non-terminal
3318         (section_header): Handle section type.
3319         (opt_address_and_section_type): Return section type value.
3320
3321 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3322
3323         * testsuite/plugin_common_test_1.c (foo): Add prototype.
3324         * testsuite/plugin_common_test_2.c (foo): Likewise.
3325
3326 2010-04-08  Doug Kwan  <dougkwan@google.com>
3327
3328         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
3329         Output_merge_data.
3330         * output.cc (Output_section::add_merge_input_section): Simplify
3331         code and return status of Output_merge_base::add_input_section.
3332         Update merge section map only if Output_merge_base::add_input_section
3333         returns true.
3334
3335 2010-04-07  Doug Kwan  <dougkwan@google.com>
3336
3337         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
3338         if section is marked as containing instructions but has no mapping
3339         symbols.
3340         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
3341         correct section index.
3342         (Arm_relobj::find_linked_text_section): Ditto.
3343
3344 2010-04-07  Cary Coutant  <ccoutant@google.com>
3345
3346         * archive.cc (include_member): Destroy Read_symbols_data object before
3347         releasing file.
3348         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
3349         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
3350         (Read_symbols_data::~Read_symbols_data) New destructor.
3351         (Section_relocs::Section_relocs) New constructor.
3352         (Section_relocs::~Section_relocs) New destructor.
3353         (Read_relocs_data::Read_relocs_data) New constructor.
3354         (Read_relocs_data::~Read_relocs_data) New destructor.
3355         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
3356         pointers to NULL after deleting.
3357
3358 2010-04-07  Doug Kwan  <dougkwan@google.com>
3359
3360         * arm.cc: Replace "endianity" with "endianness" in comments.
3361         (Arm_exidx_cantunwind): Ditto.
3362         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
3363         (Arm_relobj::merge_flags_and_attributes): New method.
3364         (Arm_relobj::merge_flags_and_attributes_): New data member.
3365         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
3366         (Arm_relobj::scan_sections_for_stubs): Ditto.
3367         (Arm_relobj::do_read_symbols): Check to see if we really want to
3368         merge processor-specific flags and attributes.  Exit early if
3369         an object is empty except for section names and the undefined symbol.
3370         (Target_arm::do_finalize_sections): Move check for ELF format to
3371         Arm_relobj::do_read_symbols.  Merge processor specific flags and
3372         attributes from a regular object only when we have determined that
3373         it is aapropriate.  Do not create an .ARM.attributes section in
3374         output if there is no regular input object.
3375         (Target_arm::merge_processor_specific_flags): Check
3376         --warn-mismatch before printing any error.
3377         (Target_arm::merge_object_attributes): Ditto.
3378         * gold.cc (queue_middle_tasks): Handle the case in which there is
3379         no regular object in input.
3380         * options.cc (General_options::parse_EB): New method.
3381         (General_options::parse_EL): Same.
3382         (General_options::General_options): Initialize endianness_.
3383         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
3384         New options.
3385         (General_options::Endianness): New enum.
3386         (General_options::endianness): New method.
3387         (General_options::endianness_): New data member.
3388         * parameters.cc (Parameters::set_options): Check target endianness.
3389         (Parameters::set_target_once): Ditto.
3390         (Parameters::check_target_endianness): New method.
3391         (parameters_force_valid_target): If either -EL or -EB is specified,
3392         use it to define endianness of default target.
3393         * parameters.h (Parameters::check_target_endianness): New method
3394         declaration.
3395         * target.h (class Target): Change "endianity" to "endianness"
3396         in comments.
3397
3398 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3399
3400         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
3401         * configure: Regenerate.
3402         * Makefile.in: Regenerate.
3403         * testsuite/Makefile.in: Regenerate.
3404
3405 2010-04-06  Cary Coutant  <ccoutant@google.com>
3406
3407         gcc PR lto/42757
3408         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
3409         prevailing definitions of common symbols.
3410         * testsuite/plugin_test_6.sh: New test case.
3411         * testsuite/plugin_common_test_1.c: New test case.
3412         * testsuite/plugin_common_test_2.c: New test case.
3413         * testsuite/Makefile.am (plugin_test_6): New test case.
3414         * testsuite/Makefile.in: Regenerate.
3415
3416 2010-04-06  Nick Clifton  <nickc@redhat.com>
3417
3418         * po/vi.po: New Vietnamese translation.
3419
3420 2010-03-30  Doug Kwan  <dougkwan@google.com>
3421
3422         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
3423
3424 2010-03-25  Doug Kwan  <dougkwan@google.com>
3425
3426         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3427         to avoid a conversion warning on a 32-bit host.
3428
3429 2010-03-24  Ian Lance Taylor  <iant@google.com>
3430
3431         * testsuite/script_test_3.t: Add a TLS segment.
3432         * testsuite/Makefile.am (check_PROGRAMS): Add
3433         tls_phdrs_script_test.
3434         (tls_phdrs_script_test_SOURCES): Define.
3435         (tls_phdrs_script_test_DEPENDENCIES): Define.
3436         (tls_phdrs_script_test_LDFLAGS): Define.
3437         (tls_phdrs_script_test_LDADD): Define.
3438         * testsuite/Makefile.in: Rebuild.
3439
3440 2010-03-23  Cary Coutant  <ccoutant@google.com>
3441
3442         * fileread.cc (find_or_make_view): Fix comment.
3443
3444 2010-03-23  Ian Lance Taylor  <iant@google.com>
3445
3446         * script-sections.cc (class Orphan_section_placement): Define
3447         PLACE_TLS and PLACE_TLS_BSS.
3448         (Orphan_section_placement::Orphan_section_placement): Initialize
3449         new places.
3450         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3451         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3452         (tls_script_test_SOURCES): Define.
3453         (tls_script_test_DEPENDENCIES): Define.
3454         (tls_script_test_LDFLAGS): Define.
3455         (tls_script_test_LDADD): Define.
3456         * testsuite/Makefile.in: Rebuild.
3457
3458 2010-03-22  Doug Kwan  <dougkwan@google.com>
3459
3460         * arm.cc (Arm_relocate_functions::abs8,
3461         Arm_relocate_functions::abs16): Use correct check for overflow
3462         specified in the ARM ELF specs.
3463         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3464         target of a BLX instruction specially.
3465         (Reloc_stub::stub_type_for_reloc): Ditto.
3466         (Relocate::relocate): Use symbolic names instead of numeric relocation
3467         codes to report error.
3468         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3469         workaround.
3470         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3471         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3472         thumb2_blx_out_of_range.stdout
3473         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3474         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3475         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3476         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3477         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3478         thumb2_blx_in_range, thumb2_blx_in_range.o,
3479         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3480         thumb2_blx_out_of_range.o): New rules.
3481         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3482         thumb2_blx_in_range and thumb2_blx_out_of_range.
3483         * testsuite/Makefile.in: Regenerate.
3484         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3485         * testsuite/thumb_blx_in_range.s: New file.
3486         * testsuite/thumb_blx_out_of_range.s: New file.
3487
3488 2010-03-22  Rafael Espindola  <espindola@google.com>
3489
3490         * archive.cc (Should_include): Move to archive.h.
3491         (should_include_member): Make it a member of Archive.
3492         (Lib_group): New.
3493         (Add_lib_group_symbols): New.
3494         * archive.h: Include options.h.
3495         (Archive_member): Moved from Archive.
3496         (Should_include): Moved from archive.cc.
3497         (Lib_group): New.
3498         (Add_lib_group_symbols): New.
3499         * dynobj.cc (do_should_include_member): New.
3500         * dynobj.h (do_should_include_member): New.
3501         * gold.cc (queue_initial_tasks): Update call to queue.
3502         * main.cc (main): Print lib group stats.
3503         * object.cc (do_should_include_member): New.
3504         * object.h: Include archive.h.
3505         (Object::should_include_member): New.
3506         (Object::do_should_include_member): New.
3507         (Sized_relobj::do_should_include_member): New.
3508         * options.cc (General_options::parse_start_lib): New.
3509         (General_options::parse_end_lib): New.
3510         (Input_arguments::add_file): Handle lib groups.
3511         (Input_arguments::start_group): Check we are not in a lib.
3512         (Input_arguments::start_lib): New.
3513         (Input_arguments::end_lib): New.
3514         * options.h (General_options): Add start_lib and end_lib.
3515         (Input_argument::lib_): New.
3516         (Input_argument::lib): New.
3517         (Input_argument::is_lib): New.
3518         (Input_file_lib): New.
3519         (Input_arguments::in_lib_): New.
3520         (Input_arguments::in_lib): New.
3521         (Input_arguments::start_lib): New.
3522         (Input_arguments::end_lib_): New.
3523         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3524         in unused members as preempted.
3525         (Sized_pluginobj::do_should_include_member): New.
3526         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3527         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3528         return the blocker.
3529         (Read_symbols::do_whole_lib_group): New.
3530         (Read_symbols::do_lib_group): New.
3531         (Read_symbols::do_read_symbols): Handle lib groups.
3532         (Read_symbols::get_name): Handle lib groups.
3533         * readsyms.h (Read_symbols): Add an archive member pointer.
3534         (Read_symbols::do_whole_lib_group): New.
3535         (Read_symbols::do_lib_group): New.
3536         (Read_symbols::member_): New.
3537         * script.cc (read_input_script): Update call to queue_soon.
3538
3539 2010-03-19  Doug Kwan  <dougkwan@google.com>
3540
3541         * arm.cc (Stub_table::Stub_table): Initialize new data members
3542         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3543         (Stub_table::add_reloc_stub): Assign stub offset and update
3544         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3545         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3546         New data members.
3547         (Stub_table::update_data_size_and_addralign): Use
3548         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3549         instead of going over all reloc stubs.
3550         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3551         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3552         Stringpool_template::offset_ to size of Stringpool_char.
3553         (Stringpool_template::new_key_offset): Remove code to initialize
3554         Stringpool_template::offset_.
3555         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3556         Stringpool_template::offset_ to zero.
3557
3558 2010-03-15  Doug Kwan  <dougkwan@google.com>
3559
3560         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3561         offset_.
3562         (Stringpool_template::new_key_offset): New method.
3563         (Stringpool_template::add_string): Assign offsets when adding new
3564         strings.
3565         (Stringpool_template::set_string_offsets): Do not set string offsets
3566         when not optimizing.
3567         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3568         member size_.
3569         (Chunked_vector::clear): Clear size_.
3570         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3571         (Chunked_vector::size): Return size_.
3572         (Chunked_vector::push_back): Use size_ to find insert position.
3573         (Chunked_vector::size_): New data member.
3574         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3575         (Stringpool_template::new_key_offset): New method declaration.
3576         (Stringpool_template::offset_): New data member.
3577
3578 2010-03-15   Rafael Espindola  <espindola@google.com>
3579
3580         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3581         Add_symbols' constructor.
3582         * readsyms.h (Add_symbols): Remove the input_group member.
3583
3584 2010-03-10  Ian Lance Taylor  <iant@google.com>
3585
3586         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3587         target to ask whether a reference to a symbol requires a stack
3588         split.
3589         * target.h (Target::is_call_to_non_split): New function.
3590         (Target::do_is_call_to_non_split): Declare virtual function.
3591         * target.cc: Include "symtab.h".
3592         (Target::do_is_call_to_non_split): New function.
3593         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3594
3595 2010-03-10  Cary Coutant  <ccoutant@google.com>
3596
3597         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3598         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3599         (File_read::open[2]): Add whole_file_view_ to list of views.
3600         (File_read::make_view): Remove test of whole_file_view_.
3601         (File_read::find_or_make_view): Create whole_file_view_ if
3602         necessary.
3603         (File_read::clear_views): Replace bool parameter with enum;
3604         adjust all callers.  Don't delete views with permanent data;
3605         do delete cached views and views from archives if
3606         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3607         if clearing the corresponding view.
3608         * fileread.h (File_read::Clear_views_mode): New enum.
3609         (File_read::View::is_permanent_view): New method.
3610         (File_read::clear_views): Replace bool parameter
3611         with enum; adjust all callers.
3612         * options.h (General_options): Change keep_files_mapped option;
3613         add map_whole_files.
3614         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3615         releasing the file.
3616         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3617         the file.
3618
3619 2010-03-10  David S. Miller  <davem@davemloft.net>
3620
3621         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3622
3623 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3624
3625         * icf.cc (get_section_contents): Add '@' marker after processing the
3626         merge reloc.
3627
3628 2010-03-08  Doug Kwan  <dougkwan@google.com>
3629
3630         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3631         due to a conversion warning.
3632         (Arm_relobj::update_output_local_symbol_count): Check for local
3633         symbol with unset output index.
3634
3635 2010-03-05  Ian Lance Taylor  <iant@google.com>
3636
3637         * options.h (class General_options): Add --spare-dynamic-tags.
3638         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3639         --spare-dynamic-tags.
3640
3641 2010-03-05  Ian Lance Taylor  <iant@google.com>
3642
3643         * incremental.cc: Include "libiberty.h".
3644
3645 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3646
3647         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3648         function, is_info_ member.
3649         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3650         (Versions::Versions): Update caller.
3651         (Versions::define_base_version): Likewise.
3652         (Versions::add_def): Likewise.
3653
3654 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3655
3656         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3657         (Scan::possible_function_pointer_reloc): New function.
3658         (Scan::local_reloc_may_be_function_pointer): Change to call
3659         possible_function_pointer_reloc.
3660         (Scan::global_reloc_may_be_function_pointer): Ditto.
3661         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3662         relocations in ".data.rel.ro._ZTV" section.
3663         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3664         * testsuite/icf_safe_so_test.cc: Ditto.
3665         * testsuite/icf_safe_test.cc: Ditto.
3666         * testsuite/icf_safe_test.sh: Ditto.
3667
3668 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3669             Ian Lance Taylor  <iant@google.com>
3670
3671         * target-reloc.h (relocate_section): Check the symbol table index
3672         for -1U before setting the local symbol index.
3673         (scan_relocatable_relocs): If copying the relocation, record that
3674         the local symbol is required.
3675         * object.h (Symbol_value::is_output_symtab_index_set): New
3676         function.
3677         (Symbol_value::may_be_discarded_from_output_symtab): New
3678         function.
3679         (Symbol_value::has_output_symtab_entry): New function.
3680         (Symbol_value::needs_output_symtab_entry): Remove.
3681         (Symbol_value::output_symtab_index): Make sure the symbol index is
3682         set.
3683         (Symbol_value::set_output_symtab_index): Make sure the symbol
3684         index is not set.  Make sure the new index is valid.
3685         (Symbol_value::set_must_have_output_symtab_entry): New function.
3686         (Symbol_value::has_output_dynsym_entry): New function.
3687         (Symbol_value::set_output_dynsym_index): Make sure the new index
3688         is valid.
3689         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3690         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3691         local symbol if permitted.
3692         (Sized_relobj::do_finalize_local_symbols): Call
3693         is_output_symtab_index_set rather than needs_output_symtab_entry.
3694         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3695         rather than needs_output_symtab_entry.  Call
3696         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3697         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3698         is_output_symtab_index_set rather than needs_output_symtab_entry.
3699         * testsuite/discard_locals_relocatable_test.c: New file.
3700         * testsuite/discard_locals_test.sh: Test -r.
3701         * testsuite/Makefile.am (check_DATA): Add
3702         discard_locals_relocatable_test1.syms,
3703         discard_local_relocatable_test2.syms.
3704         (MOSTLYCLEANFILES): Likewise.  Also add
3705         discard_locals_relocatable_test1.lout and
3706         discard_locals_relocatable_test2.out.
3707         (discard_locals_relocatable_test1.syms): New target.
3708         (discard_locals_relocatable_test.o): New target.
3709         (discard_locals_relocatable_test1.out): New target.
3710         (discard_locals_relocatable_test2.syms): New target.
3711         (discard_locals_relocatable_test2.out): New target.
3712         (various): Add missing ../ld-new dependencies.
3713         * testsuite/Makefile.in: Rebuild.
3714
3715 2010-03-03  Nick Clifton  <nickc@redhat.com>
3716
3717         * po/fi.po: New Finnish translation.
3718
3719 2010-03-01  Doug Kwan  <dougkwan@google.com>
3720
3721         * layout.cc (Layout::Layout): Force section types of .init_array*,
3722         .preinit_array* and .fini_array* sections.
3723         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3724         Fix check of return value of std::string::find.().
3725         (Output_section::Input_section_sort_compare::operator()): Remove
3726         comment about .init_array.
3727         (Output_section::Input_section_sort_init_fini_compare::operator()):
3728         New method.
3729         (Output_section::sort_attached_input_sections): Handle .init_array
3730         and .fini_array specially.
3731         * output.h (Output_section::Inut_section_sort_compare): Update
3732         comment.
3733         (Output_section::Input_section_sort_init_fini_compare): New struct.
3734
3735 2010-02-26  Doug Kwan  <dougkwan@google.com>
3736
3737         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
3738         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
3739         * testsuite/debug_msg.sh: Avoid matching source line number for
3740         use of global variable undef_int.
3741
3742 2010-02-26  Doug Kwan  <dougkwan@google.com>
3743
3744         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
3745         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
3746         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
3747         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
3748         * options.cc (General_options::General_options): Initialize member
3749         fix_v4bx_.
3750         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
3751         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
3752         and rm_no_fix_v4bx.stdout
3753         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
3754         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
3755         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
3756         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
3757         and arm_no_fix_v4bx.
3758         * Makefile.in: Regenerate.
3759         * testsuite/arm_fix_v4bx.s: New file.
3760         * testsuite/arm_fix_v4bx.sh: Ditto.
3761
3762 2010-02-24  Doug Kwan  <dougkwan@google.com>
3763
3764         * arm.cc (Target_arm::got_section): Make the .got section the first
3765         non RELRO section in the data segment.
3766         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
3767         suffixes of section names.
3768
3769 2010-02-24  Doug Kwan  <dougkwan@google.com>
3770
3771         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
3772         flags and attributes merging if an input file is a binary file.
3773         * fileread.cc (Input_file::open): Record format of original file.
3774         * fileread.h (Input_file::Format): New enum type.
3775         (Input_file::Input_file): Initialize data member format_.
3776         (Input_file::format): New method definition.
3777         (Input_file::format_):: New data member.
3778
3779 2010-02-24  Doug Kwan  <dougkwan@google.com>
3780
3781         * arm.cc (Arm_output_data_got): New class.
3782         (ARM_TCB_SIZE): New constant
3783         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
3784         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
3785         If user uses a script with a SECTIONS clause, issue only a warning
3786         for a misplaced EXIDX input section.  Otherwise, issue an error.
3787         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
3788         garbage collection.
3789         (Target_arm::got_mode_index_entry): Handle static linking.
3790         (Target_arm::Scan::local): Ditto.
3791         (Target_arm::Scan::global): Ditto.
3792         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
3793         all incorrectly implemented relocations.
3794         (Target_arm::fix_exidx_coverage): Pass layout to
3795         Arm_output_section::fix_exidx_coverage.
3796         * layout.cc (Layout::section_name_mapping): Remove trailing dots
3797         from ".ARM.exidx." and ".ARM.extab.".
3798
3799 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3800
3801         * arm.cc (Target_arm::do_finalize_sections): Create attribute
3802         section if it does not already exist.
3803         * attributes.cc (Attributes_section_data::Attributes_section_data):
3804         Don't crash if size is zero.
3805
3806 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3807             Ian Lance Taylor  <iant@google.com>
3808
3809         * gold.cc (queue_middle_tasks): If no input files were opened,
3810         exit.
3811         * workqueue.h (Task_function::Task_function): Assert that there is
3812         a blocker.
3813
3814 2010-02-22  Doug Kwan  <dougkwan@google.com>
3815
3816         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
3817         * icf.cc (get_section_contents): Cast snprintf arguments to long long
3818         types to avoid warnings due to different uint64_t implementations
3819         on different hosts.
3820
3821 2010-02-21  Doug Kwan  <dougkwan@google.com>
3822
3823         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
3824         handling of the maximum backward branch offset.
3825         (Arm_relocate_functions::thumb_branch_common): Ditto.
3826         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
3827         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
3828         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
3829         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
3830         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
3831         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
3832         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
3833         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
3834         thumb_bl_out_of_range thumb_bl_out_of_range.o,
3835         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
3836         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
3837         thumb2_bl_out_of_range.o): New rules.
3838         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
3839         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
3840         thumb2_bl_out_of_range
3841         * testsuite/Makefile.in: Regenerate.
3842         * testsuite/arm_bl_in_range.s: New file.
3843         * testsuite/arm_bl_out_of_range.s: Ditto.
3844         * testsuite/arm_branch_in_range.sh: Ditto.
3845         * testsuite/arm_branch_range.t: Ditto.
3846         * testsuite/thumb2_branch_range.t: Ditto.
3847         * testsuite/thumb_bl_in_range.s: Ditto.
3848         * testsuite/thumb_bl_out_of_range.s: Ditto.
3849         * testsuite/thumb_branch_range.t: Ditto.
3850
3851 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
3852
3853         * gc.h (gc_process_relocs): Change vectors to point to the new list.
3854         Add reloc offset information.
3855         * icf.cc (get_section_contents): Change iterators to point to the new
3856         vectors. Add reloc offset information to the contents.
3857         * icf.h (Icf::Sections_reachable_info): New typedef.
3858         (Icf::Sections_reachable_list): New typedef.
3859         (Icf::Offset_info): New typedef.
3860         (Icf::Reloc_info): New struct typedef.
3861         (Icf::Reloc_info_list): New typedef.
3862         (Icf::symbol_reloc_list): Delete method.
3863         (Icf::addend_reloc_list): Delete method.
3864         (Icf::section_reloc_list): Delete method.
3865         (Icf::reloc_info_list): New method.
3866         (Icf::reloc_info_list_): New member.
3867
3868 2010-02-19  Doug Kwan  <dougkwan@google.com>
3869
3870         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
3871         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
3872         * arm.cc (Arm_relocation_functions): New forward declaration.
3873         (Target_arm::Target_arm): Initialize new data members
3874         got_mod_index_offset_ and tls_base_symbol_defined_.
3875         (Target_arm::Relocate::relocate_tls): New method.
3876         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
3877          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
3878         New methods.
3879         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
3880         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
3881         (Target_arm::got_mod_index_offset_,
3882         Target_arm::tls_base_symbol_defined_): New data members.
3883         (Target_arm::Scan::local, Target::Scan::global,
3884         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
3885         relocations.
3886
3887 2010-02-18  Doug Kwan  <dougkwan@google.com>
3888
3889         * arm.cc (Arm_relobj::find_linked_text_section): New method.
3890         (Arm_relobj::make_exidx_input_section): Pass section index of linked
3891         text section as a parameter becuase some broken tools may not set
3892         the link in section header.
3893         (Target_arm::has_got_section): New method.
3894         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
3895         without any mapping symbol as data only.  Remove warning.
3896         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
3897         link in its section header, try to discover the link by inspecting the
3898         REL31 relocation at the beginning of the section.
3899         (Target_arm::Scan::check_non_pic): Report name of offending relocation
3900         in error message.
3901         (Target_arm::Scan::global): Treat any reference to the symbol
3902         _GLOBAL_OFFSET_TABLE_ as a GOT access.
3903
3904 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
3905
3906         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
3907         (Scan::global_reloc_may_be_function_pointer): New function.
3908         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3909         (Scan::global_reloc_may_be_function_pointer): New function.
3910         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3911         (Scan::global_reloc_may_be_function_pointer): New function.
3912         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
3913         (Scan::global_reloc_may_be_function_pointer): New function.
3914         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
3915         (Scan::global_reloc_may_be_function_pointer): New function.
3916         (Scan::possible_function_pointer_reloc): New function.
3917         (Target_x86_64::can_check_for_function_pointers): New function.
3918         * gc.h (gc_process_relocs): Scan relocation types to determine if
3919         function pointers were taken for targets that support it.
3920         * icf.cc (Icf::find_identical_sections): Include functions for
3921         folding in safe ICF whose pointer is not taken.
3922         * icf.h (Secn_fptr_taken_set): New typedef.
3923         (fptr_section_id_): New member.
3924         (section_has_function_pointers): New function.
3925         (set_section_has_function_pointers): New function.
3926         (check_section_for_function_pointers): New function.
3927         * options.h: Fix comment for safe ICF option.
3928         * target.h (can_check_for_function_pointers): New function.
3929         * testsuite/Makefile.am: Add icf_safe_so_test test case.
3930         Modify icf_safe_test for X86-64.
3931         * testsuite/Makefile.in: Regenerate.
3932         * testsuite/icf_safe_so_test.cc: New file.
3933         * testsuite/icf_safe_so_test.sh: New file.
3934         * testsuite/icf_safe_test.cc (kept_func_3): New function.
3935         (main): Change to take pointer to function kept_func_3.
3936         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
3937         folding is done correctly for X86-64.
3938
3939 2010-02-12  David S. Miller  <davem@davemloft.net>
3940
3941         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
3942         is_symbolless parameter.
3943         (Output_reloc<SHT_REL>::is_symbolless): New.
3944         (Output_reloc<SHT_REL>::is_symbolless_): New.
3945         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
3946         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
3947         (Output_reloc<SHT_RELA>::is_symbolless): New.
3948         (Output_data_reloc::add_global): Handle is_symbolless.
3949         (Output_data_reloc::add_global_relative): Likewise.
3950         (Output_data_reloc::add_local): Likewise.
3951         (Output_data_reloc::add_local_relative): Likewise.
3952         (Output_data_reloc::add_symbolless_global_addend): New.
3953         (Output_data_reloc::add_symbolless_local_addend): New.
3954         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
3955         is_symbolless.
3956         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
3957         instead of ->is_relative_
3958         (Output_reloc::write): Likewise.
3959         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
3960         (Output_reloc::write_rel): Simplify.
3961
3962         * sparc.cc (Target_sparc::Scan::local): Use
3963         ->add_symbolless_local_addend as needed.
3964         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
3965         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
3966         based upon relocation offset.
3967
3968 2010-02-11  Doug Kwan  <dougkwan@google.com>
3969
3970         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
3971         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
3972         beginning of function.
3973         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
3974         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
3975         parameter is_32bit in calls to should_apply_static_reloc.
3976         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
3977         (check_DATA): Add arm_abs_global.stdout.
3978         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
3979         arm_abs_global.stdout): New rules.
3980         (MOSTLLYCLEANFILES): Add arm_abs_global
3981         * Makefile.in: Regenerate.
3982         * testsuite/arm_abs_global.s: New file.
3983         * testsuite/arm_abs_global.sh: Ditto.
3984         * testsuite/arm_abs_lib.s: Ditto.
3985
3986 2010-02-11  Ian Lance Taylor  <iant@google.com>
3987
3988         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
3989         Read_relocs task.
3990         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
3991         Allocate_commons_task first.
3992         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
3993         task, rather than symtab_lock_.
3994         (Gc_process_relocs::~Gc_process_relocs): New function.
3995         (Gc_process_relocs::is_runnable): Check this_blocker_.
3996         (Gc_process_relocs::locks): Use next_blocker_ rather than
3997         blocker_.
3998         (Scan_relocs::~Scan_relocs): New function.
3999         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4000         symtab_lock_.
4001         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4002         next_blocker_.
4003         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4004         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4005         constructor accordingly.
4006         (class Gc_process_relocs): Likewise.
4007         (class Scan_relocs): Likewise.
4008         * common.h (class Allocate_commons_task): Remove symtab_lock_
4009         field, and corresponding constructor parameter.
4010         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4011         symtab_lock_.
4012         (Allocate_commons_task::locks): Likewise.
4013
4014 2010-02-11  Ian Lance Taylor  <iant@google.com>
4015
4016         * gold-threads.h (class Once): Define.
4017         (class Initialize_lock): Rewrite as child of Once.
4018         * gold-threads.cc (class Once_initialize): Define.
4019         (once_pointer_control): New static variable.
4020         (once_pointer, once_arg): New static variables.
4021         (c_run_once): New static function.
4022         (Once::Once, Once::run_once, Once::internal_run): New functions.
4023         (class Initialize_lock_once): Remove.
4024         (initialize_lock_control): Remove.
4025         (initialize_lock_pointer): Remove.
4026         (initialize_lock_once): Remove.
4027         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4028         (Initialize_lock::initialize): Rewrite.
4029         (Initialize_lock::do_run_once): New function.
4030         * archive.cc (Archive::interpret_header): Only clear name if it is
4031         not already empty.
4032         * fileread.cc: Include "gold-threads.h"
4033         (file_counts_lock): New static variable.
4034         (file_counts_initialize_lock): Likewise.
4035         (File_read::release): Only increment counts when using --stats.
4036         Use a lock around the increment.
4037         * parameters.cc (class Set_parameters_target_once): Define.
4038         (set_parameters_target_once): New static variable.
4039         (Parameters::Parameters): Move here from parameters.h.
4040         (Parameters::set_target): Rewrite.
4041         (Parameters::set_target_once): New function.
4042         (Parameters::clear_target): Move here and rewrite.
4043         * parameters.h (class Parameters): Update declarations.  Add
4044         set_parameters_target_once_ field.
4045         (Parameters::Parameters): Move to parameters.cc.
4046         (Parameters::clear_target): Likewise.
4047         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4048         task.
4049         (Start_group::~Start_group): New function.
4050         (Start_group::is_runnable): New function.
4051         (Start_group::locks, Start_group::run): New functions.
4052         (Finish_group::run): Change saw_undefined to size_t.
4053         * readsyms.h (class Start_group): Define.
4054         (class Finish_group): Change saw_undefined_ field to size_t.
4055         (Finish_group::Finish_group): Remove saw_undefined and
4056         this_blocker parameters.  Change all callers.
4057         (Finish_group::set_saw_undefined): New function.
4058         (Finish_group::set_blocker): New function.
4059         * symtab.h (class Symbol_table): Change saw_undefined to return
4060         size_t.  Change saw_undefined_ field to size_t.
4061         * target-select.cc (Set_target_once::do_run_once): New function.
4062         (Target_selector::Target_selector): Initialize set_target_once_
4063         field.  Don't initialize lock_ and initialize_lock_ fields.
4064         (Target_selector::instantiate_target): Rewrite.
4065         (Target_selector::set_target): New function.
4066         * target-select.h (class Set_target_once): Define.
4067         (class Target_selector): Update declarations.  Make
4068         Set_target_once a friend.  Remove lock_ and initialize_lock_
4069         fields.  Add set_target_once_ field.
4070
4071 2010-02-10  Ian Lance Taylor  <iant@google.com>
4072
4073         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4074         queueing any tasks.
4075         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4076         (queue_middle_tasks): Add all blockers before queueing any tasks.
4077         (queue_final_tasks): Likewise.
4078         * token.h (Task_token::add_blockers): New function.
4079         * object.h (Input_objects::number_of_relobjs): New function.
4080
4081 2010-02-10  Ian Lance Taylor  <iant@google.com>
4082
4083         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4084         shared, not if not position independent.
4085         * x86_64.cc (Relocate::relocate_tls): Likewise.
4086         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4087         (tls_pie_pic_test): New target.
4088         * testsuite/Makefile.in: Rebuild.
4089
4090         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4091         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4092         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4093         * testsuite/Makefile.in: Rebuild.
4094
4095 2010-02-09  David S. Miller  <davem@davemloft.net>
4096
4097         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4098         R_SPARC_RELATIVE using ->add_local_relative().
4099         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4100
4101         * output.h (Output_data_dynamic::add_section_size): New method
4102         that takes two Output_data objects.
4103         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4104         entry param.  Handle it in initializers.
4105         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4106         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4107         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4108         arg.
4109         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4110         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4111         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4112         for dynrel_includes_plt.
4113         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4114         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4115         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4116         before .rela.plt
4117         (Target_sparc::do_finalize_sections): Update to pass true for
4118         dynrel_includes_plt.
4119         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4120         output before .rela.plt
4121         (Target_powerpc::do_finalize_sections): Update to pass true for
4122         dynrel_includes_plt when 32-bit.
4123
4124 2010-02-08  Doug Kwan  <dougkwan@google.com>
4125
4126         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4127         method.
4128         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4129         Arm_relobj::scan_section_for_cortex_a8_stubs,
4130         Arm_relobj::do_relocation_section): Instead of calling
4131         Output_section::output_address, use faster
4132         Arm_relobj::simple_input_section_output_address.
4133
4134 2010-02-08  David S. Miller  <davem@davemloft.net>
4135
4136         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4137         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4138         relocation helper function.
4139
4140         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4141         just like R_SPARC_GOT{10,13,22}.
4142         (Target_sparc::Scan::local): Likewise.
4143         (Target_sparc::Relocate:relocate): Likewise.
4144
4145 2010-02-06  Ian Lance Taylor  <iant@google.com>
4146
4147         * configure.ac: Rewrite targetobjs duplicate removal code to use
4148         only shell constructs.
4149         * configure: Rebuild.
4150
4151 2010-02-05  Doug Kwan  <dougkwan@google.com>
4152
4153         PR 11247
4154         * arm.cc (Arm_relobj::section_is_scannable): New method.
4155         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4156         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4157
4158 2010-02-04  Doug Kwan  <dougkwan@google.com>
4159
4160         PR 11247
4161         * arm-reloc-property.cc (cstdio): Include.
4162         * configure.ac (targetobjs): Remove duplicates.
4163         * configure: Regenerate.
4164         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4165         big and little endian version for a given address size.
4166
4167 2010-02-03  Doug Kwan  <dougkwan@google.com>
4168
4169         * arm-reloc-property.cc
4170         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4171         definition.
4172         * arm-reloc-property.h
4173         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4174         New method definition.
4175         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4176         declaration.
4177         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4178         overflow to N.
4179         (GOT_PREL): Change implemented to Y.
4180         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4181         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4182         (Arm_relocate_functions::movw_abs_nc): Remove method.
4183         (Arm_relocate_functions::movt_abs): Ditto.
4184         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4185         (Arm_relocate_functions::thm_movt_abs): Ditto.
4186         (Arm_relocate_functions::movw_rel_nc): Ditto.
4187         (Arm_relocate_functions::movw_rel): Ditto.
4188         (Arm_relocate_functions::movt_rel): Ditto.
4189         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4190         (Arm_relocate_functions:thm_movw_rel): Ditto.
4191         (Arm_relocate_functions:thm_movt_rel): Ditto.
4192         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4193         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4194         New method definitions.
4195         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4196         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4197         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4198         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4199         (Target_arm::Relocate::relocate): Check for non-static or
4200         unimplemented relocation code and exit early.  Change calls to
4201         Target_arm::reloc_uses_thumb_bit and
4202         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4203         instead.  Refactor code to handle similar relocations to increase
4204         code sharing.  Remove check for unsupported relocation code in switch
4205         statement.
4206         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4207         relocation property table to find out size.  Change error message to
4208         print out the name of a relocation code instead of the numeric value.
4209         (Target_arm::scan_reloc_for_stub): Use relocation property table
4210         instead of calling Target_arm::reloc_uses_thumb_bit().
4211
4212 2010-02-02  Doug Kwan  <dougkwan@google.com>
4213
4214         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4215         types of relaxed input section.
4216
4217 2010-02-02  Doug Kwan  <dougkwan@google.com>
4218
4219         * Makefile.am (HFILES): Add arm-reloc-property.h.
4220         (DEFFILES): New.
4221         (TARGETSOURCES): Add arm-reloc-property.cc
4222         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4223         (libgold_a_SOURCES): $(DEFFILES)
4224         * Makefile.in: Regenerate.
4225         * arm-reloc-property.cc: New file.
4226         * arm-reloc-property.h: New file.
4227         * arm-reloc.def: New file.
4228         * arm.cc: Update comments.
4229         (arm-reloc-property.h): New included header.
4230         (arm_reloc_property_table): New global variable.
4231         (Target_arm::do_select_as_default_target): New method definition.
4232         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4233         arm-reloc-property to targ_extra_obj.
4234         * parameters.cc (set_parameters_target): Call
4235         Target::select_as_default_target().
4236         * target.h (Target::select_as_default_target): New method definition.
4237         (Target::do_select_as_default_target): Same.
4238
4239 2010-02-01  Doug Kwan  <dougkwan@google.com>
4240
4241         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4242         first_output_text_section_.
4243         (Arm_exidx_fixup::first_output_text_section): New method definition.
4244         (Arm_exidx_fixup::first_output_text_section_): New data member.
4245         (Arm_exidx_fixup::process_exidx_section): Record the first text
4246         output section seen.
4247         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4248         and entsize in output section header.
4249
4250 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4251
4252         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4253         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4254         (Arm_relocate_functions::thm_alu11): New Method.
4255         (Arm_relocate_functions::thm_pc8): New Method.
4256         (Arm_relocate_functions::thm_pc12): New Method.
4257         (Target_arm::Scan::local): Handle the relocations.
4258         (Target_arm::Scan::global): Likewise.
4259         (Target_arm::Relocate::relocate): Likewise.
4260         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4261
4262 2010-01-29  Doug Kwan  <dougkwan@google.com>
4263
4264         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4265         of relocation types as ld.
4266
4267 2010-01-29  Doug Kwan  <dougkwan@google.com>
4268
4269         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
4270         to public.
4271         (Arm_relocate_functions::thumb_branch_common): Ditto.
4272         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
4273         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
4274         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
4275         Arm_relocate_functions::jump24): Remove.
4276         (Target_arm::Relocate::relocate): Adjust code to call
4277         Arm_relocation_functions::arm_branch_common and
4278         Arm_relocation_functions::thumb_branch_common instead of their removed
4279         wrappers.  Merge switch-cases together to reduce source code size.
4280
4281 2010-01-29  Doug Kwan  <dougkwan@google.com>
4282
4283         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
4284         output_local_symbol_count_needs_update_.
4285         (Arm_relobj::output_local_symbol_count_needs_update,
4286          Arm_relobj::set_output_local_symbol_count_needs_update,
4287          Arm_relobj::update_output_local_symbol_count): New methods.
4288         (Arm_relobj::output_local_symbol_count_needs_update_): New data
4289         member.
4290         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
4291         of pointed function as in a R_ARM_PREL31 relocation.
4292         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
4293         for output local symbol count updating.
4294         (Target_arm::do_relax): Update output local symbol counts in objects
4295         if necessary.
4296         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
4297
4298 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4299
4300         * arm.cc: Added support for the ARM relocations:
4301         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
4302         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
4303         (Arm_relocate_functions::movw_rel_nc): Renamed (was
4304         movw_prel_nc).
4305         (Arm_relocate_functions::movw_rel): New method.
4306         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
4307         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
4308         thm_movw_prel_nc).
4309         (Arm_relocate_functions::thm_movw_rel): New method.
4310         (Arm_relocate_functions::thm_movt_rel): Renamed (was
4311         thm_movt_prel).
4312         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
4313         relocations.
4314         (Target_arm::Scan::global): Likewise.
4315         (Target_arm::Relocate::relocate): Likewise.
4316         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4317         Likewise.
4318
4319 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4320
4321         * arm.cc: Added support for ARM group relocations.
4322         (Target_arm::reloc_needs_sym_origin): New method.
4323         (Arm_relocate_functions::calc_grp_kn): New method.
4324         (Arm_relocate_functions::calc_grp_residual): New method.
4325         (Arm_relocate_functions::calc_grp_gn): New method.
4326         (Arm_relocate_functions::arm_grp_alu): New Method.
4327         (Arm_relocate_functions::arm_grp_ldr): New Method.
4328         (Arm_relocate_functions::arm_grp_ldrs): New Method.
4329         (Arm_relocate_functions::arm_grp_ldc): New Method.
4330         (Target_arm::Scan::local): Handle the ARM group relocations.
4331         (Target_arm::Scan::global): Likewise.
4332         (Target_arm::Relocate::relocate): Likewise.
4333         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4334         Likewise.
4335
4336 2010-01-26  Doug Kwan  <dougkwan@google.com>
4337
4338         * arm.cc (set): Include.
4339         (class Arm_exidx_fixup): Change type of last_input_section_ to const
4340         pointer type.
4341         (Arm_output_section::Text_section_list): New type.
4342         (Arm_output_section::append_text_sections_to_list): New method.
4343         (Arm_output_section::fix_exidx_coverage): Ditto.
4344         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
4345         (Arm_relobj::convert_input_section_to_relaxed_section): Use
4346         Relobj::set_section_offset() instead of
4347         Sized_relobj::invalidate_section_offset().
4348         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
4349         parameter for section headers. Ignore relocation sections for
4350         unallocated sections and EXIDX sections.
4351         (Target_arm::fix_exidx_coverage): New method.
4352         (Target_arm::output_section_address_less_than): New type.
4353         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
4354         linked text section instead of the EXIDX section.
4355         (Arm_output_section::create_stub_group): Add an assertion to check
4356         that this is not an EXIDX output section.
4357         (Arm_output_section::append_text_sections_to_list): New method.
4358         (Arm_output_section::fix_exidx_coverage): Ditto.
4359         (Arm_relobj::scan_sections_for_stubs): Adjust call to
4360         Arm_relobj::section_needs_reloc_stub_scanning.
4361         (Target_arm::do_relax): Fix EXIDX output section coverage in the
4362         first pass.
4363         (Target_arm::fix_exidx_coverage): New method.
4364         * object.h (Relobj::set_output_section): New method.
4365         (Sized_relobj::invalidate_section_offset): Remove method.
4366         (Sized_relobj::do_invalidate_section_offset): Remove method.
4367         (Sized_relobj::do_set_section_offset): Handle offset value -1.
4368
4369 2010-01-25  Doug Kwan  <dougkwan@google.com>
4370
4371         * arm.cc (Arm_exidx_merged_section::do_output_offset):
4372         Fix warning due to signed and unsigned comparison on a 32-bit host.
4373
4374 2010-01-22  Doug Kwan  <dougkwan@google.com>
4375
4376         * arm.cc (Target_arm::do_relax): Record an output section for section
4377         offset adjustment it contains any stub table that has changed.
4378         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
4379         offsets in an output section if necessary.
4380         * output.cc (Output_section::Output_section): Initialize
4381         section_offsets_need_adjustments_.
4382         (Output_section::add_input_section_for_script): Renamed to
4383         Output_section::add_simple_input_section.
4384         (Output_section::save_states): Add a comment.
4385         (Output_section::discard_states): New method defintion.
4386         (Output_section::adjust_section_offsets): Same.
4387         * output.h (Output_section::add_input_section_for_script): Renamed to
4388         Output_section::add_simple_input_section.
4389         (Output_section::discard_states): New method declaration.
4390         (Output_section::adjust_section_offsets): Same.
4391         (Output_section::section_offsets_need_adjustment,
4392         Output_section::set_section_offsets_need_adjustment): New method
4393         definitions.
4394         (Output_section::section_offsets_need_adjustment_): New data member.
4395         * script-sections.cc
4396         (Output_section_element_input::set_section_address): Adjust code for
4397         renaming of Output_section::add_input_section_for_script.
4398         (Orphan_output_section::set_section_address): Same.
4399
4400 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4401
4402         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
4403         Fix_v4bx enum values .
4404         * gold/options.h (General_options): New option definitions.
4405         (General_options::fix_v4bx): New method.
4406         (General_options::Fix_v4bx): New enum.
4407         * gold/options.cc (General_options::parse_fix_v4bx): New method.
4408         (General_options::parse_fix_v4bx_interworking): New method.
4409
4410 2010-01-22  Doug Kwan  <dougkwan@google.com>
4411
4412         * arm.cc (Arm_exidx_fixup): New class.
4413
4414 2010-01-21  Doug Kwan  <dougkwan@google.com>
4415
4416         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
4417         classes.
4418         (Arm_exidx_section_offset_map): New type.
4419
4420 2010-01-21  Doug Kwan  <dougkwan@google.com>
4421
4422         * arm.cc (Arm_exidx_input_section): New class.
4423         (Arm_relobj::exidx_input_section_by_link,
4424         Arm_relobj::exidx_input_section_by_shndx,
4425         Arm_relobj::make_exidx_input_section): New methods.
4426         (read_arm_attributes_section): Remove.
4427         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4428         information about them.
4429         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4430         to here.
4431
4432 2010-01-20  Doug Kwan  <dougkwan@google.com>
4433
4434         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4435         Input_section_specifier to Section_id.
4436         (Target_arm::new_arm_input_section: Adjust code for change of key
4437         type.
4438         (Target_arm::find_arm_input_section): Ditto.
4439         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4440         (Section_id): Remove.
4441         (Garbage_collection::Section_id_hash): Remove.
4442         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4443         (Section_id): Remove.
4444         (Icf::Section_id_hash): Remove.
4445         * object.h (Section_id, Const_section_id, Section_id_hash,
4446         Const_section_id_hash): New type definitions.
4447         * output.cc (Output_section::add_relaxed_input_section): Change to
4448         use Const_section_id instead of Input_section_specifier as key type.
4449         (Output_section::add_merge_input_section): Ditto.
4450         (Output_section::build_relaxation_map): Change to use Section_id
4451         instead of Input_section_specifier as key type.
4452         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4453         Ditto.
4454         (Output_section::convert_input_sections_to_relaxed_sections): Change
4455         to use Const_section_id instead of Input_section_specifier as key type.
4456         (Output_section::find_merge_section): Ditto.
4457         (Output_section::find_relaxed_input_section): Ditto.
4458         * output.h (Input_section_specifier): Remove class.
4459         (Output_section::Output_section_data_by_input_section_map): Change
4460         key type to Const_section_id.
4461         (Output_section::Output_relaxed_input_section_by_input_section_map):
4462         Ditto.
4463         (Output_section::Relaxation_map): Change key type to Section_id.
4464
4465 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4466
4467         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4468         (class Arm_v4bx_stub): New class.
4469         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4470         (Stub_factory::make_arm_v4bx_stub): New method.
4471         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4472         (Stub_table::empty): Handle v4bx stubs.
4473         (Stub_table::add_arm_v4bx_stub): New method.
4474         (Stub_table::find_arm_v4bx_stub): New method.
4475         (Arm_relocate_functions::v4bx): New method.
4476         (Target_arm::fix_v4bx): New method.
4477         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4478         (Stub_table::relocate_stubs): Likewise.
4479         (Stub_table::do_write): Likewise.
4480         (Stub_table::update_data_size_and_addralign): Likewise.
4481         (Stub_table::finalize_stubs):  Likewise.
4482         (Target_arm::Scan::local): Likewise.
4483         (Target_arm::Scan::global): Likewise.
4484         (Target_arm::do_finalize_sections): Likewise.
4485         (Target_arm::Relocate::relocate): Likewise.
4486         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4487         Likewise.
4488         (Target_arm::scan_reloc_for_stub): Likewise.
4489         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4490
4491 2010-01-19  Ian Lance Taylor  <iant@google.com>
4492
4493         * output.cc (Output_section_headers::do_sized_write): Write large
4494         segment count to sh_info field.
4495         (Output_file_header::do_sized_write): For large segment count,
4496         write PN_XNUM to e_phnum field.
4497
4498 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4499
4500         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4501         (Arm_relocate_functions::thm_jump8): New function.
4502         (Arm_relocate_functions::thm_jump11): New function.
4503         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4504         R_ARM_THM_JUMP11.
4505         (Target_arm::Scan::global): Likewise.
4506         (Target_arm::Relocate::relocate): Likewise.
4507         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4508         Likewise.
4509
4510 2010-01-14  Doug Kwan  <dougkwan@google.com>
4511
4512         * arm.cc (map, utility): Include headers.
4513         (Target_arm::apply_cortex_a8_workaround): New method.
4514         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4515         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4516         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4517         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4518         the --[no-]fix-cortex-a8 command line options.
4519         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4520         (Target_arm::relocate_stub): Use addend in instruction template.
4521         * options.h (DEFINE_bool): Set the user-set flag.
4522         (General_options): Add --[no-]-fix-cortex options.
4523         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4524         : Update fast look-up map after conversion.
4525
4526 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4527
4528         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4529         in the first pass of do_layout.
4530
4531 2010-01-13  Doug Kwan  <dougkwan@google.com>
4532
4533         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4534         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4535         apparent compiler problem of not folding static constant integral
4536         data members of elfcpp::Elf_sizes<32>.
4537
4538 2010-01-13  Doug Kwan  <dougkwan@google.com>
4539
4540         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4541         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4542         Arm_relobj::scan_section_for_cortex_a8_erratum,
4543         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4544         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4545         sections to scan for relocation stubs into a new method
4546         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4547         relocation and Cortex-A8 stub scanning.
4548         (Target_arm::do_relax): Force stubs to be after stubbed sections
4549         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4550         the beginning of a new relaxation pass.  Update a comment.
4551         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4552
4553 2010-01-12  Ian Lance Taylor  <iant@google.com>
4554
4555         * target-reloc.h (visibility_error): New inline function.
4556         (relocate_section): Call visibility_error.
4557         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4558         (MOSTLYCLEANFILES): Likewise.
4559         (protected_4_pic.o, protected_3.err): New targets.
4560         * testsuite/protected_4.cc: New file.
4561
4562 2010-01-12  Doug Kwan  <dougkwan@google.com>
4563
4564         * arm.cc (Cortex_a8_reloc): New class.
4565         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4566         and cortex_a8_relocs_info_.
4567         (Target_arm::fix_cortex_a8): New method definition.
4568         (Target_arm::Cortex_a8_relocs_info): New type.
4569         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4570         New data member declarations.
4571         (Target_arm::scan_reloc_for_stub): Record information about
4572         relocations for THUMB branches that might be exempted from the
4573         Cortex-A8 workaround.
4574         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4575         at the beginning of a relaxation pass.
4576
4577 2010-01-12  Doug Kwan  <dougkwan@google.com>
4578
4579         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4580         (Arm_relobj::Mapping_symbol_position,
4581          Arm_reloj::Mapping_symbol_position_less,
4582          Arm_relobj::Mapping_symbols_info): New types.
4583         (Target_arm::is_mapping_symbol_name): New method definition.
4584         (Arm_relobj::do_count_local_symbols): Save information about mapping
4585         symbols.
4586
4587 2010-01-11  Doug Kwan  <dougkwan@google.com>
4588
4589         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4590         Arm_relocate_functions::thumb32_branch_upper,
4591         Arm_relocate_functions::thumb32_branch_lower,
4592         Arm_relocate_functions::thumb32_cond_branch_offset,
4593         Arm_relocate_functions::thumb32_cond_branch_upper,
4594         Arm_relocate_functions::thumb32_cond_branch_lower,
4595         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4596         branch offset encoding.
4597         (Arm_relocate_functions::thumb_branch_common): Use new branch
4598         offset encoding methods to avoid code duplication.
4599         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4600         (Stub_addend_reader::operator()): Use new branch encoding method
4601         to avoid code duplication.
4602
4603 2010-01-11  Doug Kwan  <dougkwan@google.com>
4604
4605         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4606         (Target_arm::do_finalize_sections): Define special EXIDX section
4607         symbols only if referenced.
4608         * gc.h (Garbage_collection::add_reference): New method.
4609         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4610         code duplication.
4611
4612 2010-01-11  Ian Lance Taylor  <iant@google.com>
4613
4614         * script.cc (Version_script_info::build_expression_list_lookup):
4615         Change complaing about duplicate wildcard match from error to
4616         warning.
4617
4618         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4619         of 2009-12-30.
4620         (Version_script_info::Version_script_info): Initialize globs_,
4621         default_version_, default_is_global_, and exact_.  Don't
4622         initialize globals_ or locals_.
4623         (Version_script_info::build_lookup_tables): Build local symbols
4624         first.
4625         (Version_script_info::unquote): New function.
4626         (Version_script_info::add_exact_match): New function.
4627         (Version_script_info::build_expression_list_lookup): Remove lookup
4628         parameter.  Add is_global parameter.  Change all callers.  Handle
4629         wildcard pattern specially.  Unquote pattern.  Call
4630         add_exact_match.
4631         (Version_script_info::get_name_to_match): New function.
4632         (Version_script_info::get_symbol_version): New function.
4633         (Version_script_info::get_symbol_version_helper): Remove.
4634         (Version_script_info::check_unmatched_names): Call unquote.
4635         * script.h (class Version_script_info): Change get_symbol_version
4636         to be non-inline and add is_global parameter; change all callers.
4637         Rewrite symbol_is_local.  Update declarations.  Define struct
4638         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4639         Remove globals_ and locals_ members.  Add exact_, globs_,
4640         default_version_, is_global_.
4641         (Version_script_info::Glob): Remove pattern, add expression and
4642         is_global.  Update constructor.  Change all callers.
4643         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4644         default version.
4645         (Versions::symbol_section_contents): If a symbol is undefined, or
4646         defined in a dynamic object, set the version index to
4647         VER_NDX_LOCAL.
4648         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4649         symbol_is_local.
4650         (Symbol_table::add_from_pluginobj): Likewise.
4651         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4652
4653 2010-01-11  Doug Kwan  <dougkwan@google.com>
4654
4655         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4656         (incremental_dump_LDADD): Add linking option for libintl.
4657         * Makefile.in: Regenerate.
4658
4659 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4660
4661         PR gold/11144
4662         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4663         instead of -Ds.
4664         * testsuite/Makefile.in: Regenerated.
4665
4666 2010-01-10  Doug Kwan  <dougkwan@google.com>
4667
4668         * options.h (DEFINE_var): Use parentheses around argument varname__
4669         in macro body to avoid any unintended subsequent substitutions.
4670
4671 2010-01-10  Ian Lance Taylor  <iant@google.com>
4672
4673         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4674         candidates before doing symbol resolution.
4675
4676         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4677         ODR candidates if only one is weak.
4678
4679 2010-01-08  Ian Lance Taylor  <iant@google.com>
4680
4681         * script.cc (Version_script_info::build_expression_list_lookup):
4682         Don't warn about ambiguous version, just record the ambiguity.
4683         (Version_script_info::get_symbol_version_helper): Give error if
4684         version is ambiguous.
4685
4686 2010-01-08  Doug Kwan  <dougkwan@google.com>
4687
4688         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4689           prev_data_size_ and prev_addralign_.  Remove initializer for
4690           deleted data member has_been_changed_.
4691           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4692           to determine if the table is empty.
4693           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4694           Remove.
4695           (Stub_table::add_reloc_stub): Define method in class definition
4696           instead of just declaring it there.
4697           (Stub_table::add_cortex_a8_stub): New method definition.
4698           (Stub_table::update_data_size_and_addralign): Ditto.
4699           (Stub_table::finalize_stubs): Ditto.
4700           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4701           (Stub_table::do_addralign_): Return address alignment in the
4702           (Stub_table::do_reset_address_and_file_offset): Define method in
4703           class definition instead of declaring it there.  Set current data
4704           size to be the data size of the previous pass.
4705           (Stub_table::set_final_data_size): Use current data size as the
4706           final data size.
4707           (Stub_table::relocate_stub): Change parameter type of stub from
4708           Reloc_stub pointer to Stub pointer.
4709           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4710           (Stub_table::Cortex_a8_stub_list): New typedef.
4711           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4712            Stub_table::prev_addralign_): New data member.
4713           (Arm_relobj::Arm_relobj): Initialize data member
4714           section_has_cortex_a8_workaround_.
4715           (Arm_relobj::section_has_cortex_a8_workaround,
4716            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4717            definitions.
4718           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4719           declarations.
4720           (Target_arm::relocate_stub): Change parameter type of stub from
4721           Reloc_stub pointer to Stub pointer.
4722           (Insn_template::size, Insn_template::alignment): Handle
4723           THUMB16_SPECIAL_TYPE.
4724           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4725            Stub_table::update_data_size_and_addralign,
4726            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4727           definitions.
4728           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4729           (Stub_table::do_write): Ditto.
4730           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4731
4732 2010-01-08  Ian Lance Taylor  <iant@google.com>
4733
4734         PR 11108
4735         * symtab.h (class Symbol): Remove fields is_target_special_ and
4736         has_plt_offset_.  Add field is_defined_in_discarded_section_.
4737         (Symbol::is_defined_in_discarded_section): New function.
4738         (Symbol::set_is_defined_in_discarded_section): New function.
4739         (Symbol::has_plt_offset): Rewrite.
4740         (Symbol::set_plt_offset): Verify that new offset is not -1U.
4741         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
4742         Don't initialize is_target_special_ or has_plt_offset_.
4743         Initialize is_defined_in_discarded_section_.
4744         (Symbol_table::add_from_relobj): If appropriate, set
4745         is_defined_in_discarded_section.
4746         * resolve.cc (Symbol::override_base_with_special): Don't test
4747         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
4748         * target-reloc.h (relocate_section): Do special handling for
4749         symbols defined in discarded sections for global symbols as well
4750         as local symbols.
4751
4752 2010-01-08  Ian Lance Taylor  <iant@google.com>
4753
4754         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
4755         the SHT_SYMTAB case.
4756
4757 2010-01-08  Ian Lance Taylor  <iant@google.com>
4758
4759         * object.cc (Sized_relobj::do_layout): Don't get confused if
4760         layout_eh_frame returns NULL.
4761
4762 2010-01-08  Ian Lance Taylor  <iant@google.com>
4763
4764         PR 11084
4765         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
4766         dynamic symbol table, use the normal symbol table.
4767         (Sized_dynobj::do_read_symbols): Remove assertion about type of
4768         symbol table.
4769
4770 2010-01-08  Ian Lance Taylor  <iant@google.com>
4771
4772         PR 11072
4773         * layout.cc (Layout::include_section): Remove .gnu_debuglink
4774         sections.
4775
4776 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
4777
4778         * version.cc (print_version): Change to "Copyright 2010".
4779
4780 2010-01-08  Ian Lance Taylor  <iant@google.com>
4781
4782         PR 10287
4783         PR 11063
4784         * i386.cc (class Target_i386): Change return type of plt_section
4785         to be non-const.
4786         (class Output_data_plt_i386): Add tls_desc_rel_ field.
4787         (Output_data_plt_i386::Output_data_plt_i386): Initialize
4788         tls_desc_rel_ field.
4789         (Output_data_plt_i386::rel_tls_desc): New function.
4790         (Target_i386::rel_tls_desc_section): New function.
4791         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
4792         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
4793         R_386_TLS_DESC reloc in rel_tls_desc_section.
4794         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
4795         Define struct Tlsdesc_info.
4796         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
4797         (Target_x86_64::do_reloc_symbol_index): New function.
4798         (Target_x86_64::add_tlsdesc_info): New function.
4799         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
4800         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
4801         tlsdesc_rel_ field.
4802         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
4803         all callers.
4804         (Output_data_plt_x86_64::rela_tlsdesc): New function.
4805         (Target_x86_64::rela_tlsdesc_section): New function.
4806         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
4807         handling.
4808         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
4809         (Target_x86_64::do_reloc_addend): New function.
4810         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
4811         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
4812         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
4813         (Output_reloc::type): New function.
4814         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
4815         (Output_reloc::is_target_specific): New function.
4816         (Output_reloc::target_arg): New function.
4817         (class Output_reloc) [SHT_RELA]: Add four new constructors for
4818         absolute relocs and target specific relocs.
4819         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
4820         add_target_specific.
4821         (class Output_data_reloc) [SHT_RELA]: Likewise.
4822         * output.cc (Output_reloc::Output_reloc): Add four new versions
4823         for absolute relocs and target specific relocs.
4824         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
4825         (Output_reloc::get_symbol_index): Likewise.
4826         (Output_reloc::local_section_offset): Check that local_sym_index_
4827         is not TARGET_CODE or 0.
4828         (Output_reloc::symbol_value): Likewise.
4829         (Output_reloc::write) [SHT_RELA]: Call target for target specific
4830         reloc.
4831         * target.h (class Target): Add reloc_symbol_index and reloc_addend
4832         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
4833         functions.
4834         * layout.cc (add_target_dynamic_tags): Use output section for
4835         DT_PLTRELSZ and DT_JMPREL.
4836
4837 2010-01-07  Ian Lance Taylor  <iant@google.com>
4838
4839         PR 11061
4840         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
4841         function.
4842         (class Output_data_reloc_generic): Define.
4843         (class Output_data_reloc_base): Change base class to
4844         Output_data_reloc_generic.  Change add() method to call
4845         bump_relative_reloc_count for a relative reloc.  Remove
4846         sort_relocs_ field.
4847         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
4848         to sort_relocs().
4849         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
4850         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
4851         appropriate.
4852         * layout.h (class Layout): Update declaration.
4853
4854 2010-01-07  Ian Lance Taylor  <iant@google.com>
4855
4856         * output.h (class Output_data): Add const version of
4857         output_section and do_output_section.
4858         (class Output_section_data): Add const version of
4859         do_output_section.
4860         (class Output_section): Likewise.
4861         * layout.cc (Layout::add_target_dynamic_tags): New function.
4862         * layout.h (class Layout): Update declarations.
4863         * arm.cc (Target_arm::do_finalize_sections): Use
4864         add_target_dynamic_tags.
4865         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4866         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4867         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4868         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4869
4870 2010-01-07  Ian Lance Taylor  <iant@google.com>
4871
4872         PR 11042
4873         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
4874         object as needed.
4875
4876 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
4877             Ian Lance Taylor  <iant@google.com>
4878
4879         PR 11019
4880         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
4881         Xindex::read_symtab_xindex.
4882
4883 2010-01-07  Doug Kwan  <dougkwan@google.com>
4884
4885         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
4886         (Insn_template::thumb16_bcond_insn): New method declaration.
4887         (Insn_template): Fix spelling.
4888         (Stub::thumb16_special): New method declaration.
4889         (Stub::do_write): Define virtual method which was previously pure
4890         virtual.
4891         (Stub::do_thumb16_special): New method declaration.
4892         (Stub::do_fixed_endian_write): New template member.
4893         (Reloc_stub::do_write): Remove.
4894         (Reloc_stub::do_fixed_endian_write): Remove.
4895         (Cortex_a8_stub): New class definition.
4896         (Stub_factory::make_cortex_a8_stub): New method definition.
4897         (Stub_factory::Stub_factory): Add missing static storage class
4898         qualifier for elf32_arm_stub_a8_veneer_blx.
4899
4900 2010-01-07  Ian Lance Taylor  <iant@google.com>
4901
4902         PR 10980
4903         * options.h (class General_options): Add --warn-unresolved-symbols
4904         and --error-unresolved-symbols.
4905         * errors.cc (Errors::undefined_symbol): Implement
4906         --warn-unresolved-symbols.
4907
4908         * options.h (class General_options): Add -z text and -z textoff.
4909         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
4910
4911 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
4912
4913         * gc.h (Garbage_collection::Cident_section_map): New typedef.
4914         (Garbage_collection::cident_sections): New function.
4915         (Garbage_collection::add_cident_section): New function.
4916         (Garbage_collection::cident_sections_): New member.
4917         (gc_process_relocs): Add references to sections whose names are C
4918         identifiers.
4919         * gold.h (cident_section_start_prefix): New constant.
4920         (cident_section_stop_prefix): New constant.
4921         (is_cident): New function.
4922         * layout.cc (Layout::define_section_symbols): Replace string constants
4923         with the newly defined constants.
4924         * object.cc (Sized_relobj::do_layout): Track sections whose names are
4925         C identifiers.
4926         * testsuite/Makefile.am: Add gc_orphan_section_test.
4927         * testsuite/Makefile.in: Regenerate.
4928         * testsuite/gc_orphan_section_test.cc: New file.
4929         * testsuite/gc_orphan_section_test.sh: New file.
4930
4931 2010-01-06  Ian Lance Taylor  <iant@google.com>
4932
4933         PR 10980
4934         * options.h (class General_options): Add --warn-shared-textrel.
4935         * layout.cc (Layout::finish_dynamic_section): Implement
4936         --warn-shared-textrel.
4937
4938         PR 10980
4939         * options.h (class General_options): Add --warn-multiple-gp.
4940
4941 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4942
4943         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
4944         $(THREADSLIB) and $(LIBDL).
4945         * Makefile.in: Rebuild.
4946
4947 2010-01-06  Ian Lance Taylor  <iant@google.com>
4948
4949         PR 10980
4950         * options.cc (General_options::parse_section_start): New function.
4951         (General_options::section_start): New function.
4952         (General_options::General_options): Initialize all members.
4953         * options.h: Include <map>
4954         (class General_options): Add --section-start.  Add section_starts_
4955         member.
4956         * layout.cc (Layout::attach_allocated_section_to_segment): If
4957         --section-start was used, set the address of the segment.  Remove
4958         local sort_sections.
4959         (Layout::relaxation_loop_body): If the address of the load segment
4960         has been set by --section-start, don't use it.
4961         * output.h (Output_segment::update_flags_for_output_section): New
4962         function.
4963         * output.cc (Output_segment::add_output_section): Call
4964         update_flags_for_output_section.
4965
4966 2010-01-05  Ian Lance Taylor  <iant@google.com>
4967
4968         PR 10980
4969         * options.h (class General_options): Add --undefined-version.
4970         * script.cc (struct Version_expression): Add was_matched_by_symbol
4971         field.
4972         (Version_script_info::matched_symbol): New function.
4973         (Version_script_info::get_symbol_version_helper): Call
4974         matched_symbol.
4975         (Version_script_info::check_unmatched_names): New function.
4976         * script.h (class Version_script_info): Update declarations.
4977         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
4978
4979         * options.h (class General_options): Use DEFINE_bool_alias for
4980         allow_multiple_definition.
4981         * resolve.cc (Symbol_table::should_override): Don't test
4982         allow_multiple_definition.
4983
4984         PR 10980
4985         * options.h (class General_options): Add --cref.
4986         * main.cc (main): Print cref table if --cref.  Don't close mapfile
4987         until after printing cref table.
4988         * cref.cc: Include "symtab.h".
4989         (class Cref_inputs): Define Cref_table_compare and Cref_table.
4990         (Cref_table_compare::operator()): New function.
4991         (Cref_inputs::gather_cref): New function.
4992         (filecol): New static const.
4993         (Cref_inputs::print_cref): New function.
4994         (Cref::print_cref): New function.
4995         * cref.h: Include <cstdio>.
4996         (class Cref): Update declarations.
4997         * mapfile.h (Mapfile::file): New function.
4998         * object.h (class Object): Define Symbols.  Declare virtual
4999         do_get_global_symbols.
5000         (Object::get_global_symbols): New function.
5001         * object.cc (Input_objects::add_object): Pass object to cref_ if
5002         --cref.
5003         (Input_objects::archive_start): Likewise.
5004         (Input_objects::archive_stop): Likewise.
5005         (Input_objects::print_cref): New function.
5006         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5007         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5008         --cref.
5009         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5010         function.
5011         * plugin.h (class Sized_pluginobj): Update declarations.
5012
5013 2010-01-05  Ian Lance Taylor  <iant@google.com>
5014
5015         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5016         to is_default_version.  Rename insdef to insdefault.
5017         (Symbol_table::add_from_relobj): Rename def to is_default_version
5018         and local to is_forced_local.
5019         (Symbol_table::add_from_pluginobj): Likewise.
5020         (Symbol_table::add_from_dynobj): Likewise.
5021         (Symbol_table::define_special_symbol): Rename insdef to
5022         insdefault.
5023
5024 2010-01-04  Ian Lance Taylor  <iant@google.com>
5025
5026         PR 10980
5027         * options.h (class General_options): Add
5028         --allow-multiple-definition and -z muldefs.
5029         * resolve.cc (Symbol_table::should_override): Don't warn about a
5030         multiple symbol definition if --allow-multiple-definition or -z
5031         muldefs.
5032
5033         PR 10980
5034         * options.h (class General_options): Add --add-needed and
5035         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5036         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5037         error if --copy-dt-needed-entries aka --add-needed is used and
5038         would cause a change in behaviour.
5039
5040         PR 10980
5041         * options.h (class General_options): Add -G as a short version of
5042         --shared.  Add no-op options -assert, -g, and -i.
5043
5044 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5045
5046         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5047         check for .text or .gnu.linkonce.t sections.
5048         * icf.cc (Icf::find_identical_sections): Ditto.
5049         Change the detection for mangled function name within the section
5050         name.
5051         * icf.h (is_section_foldable_candidate): New function.
5052
5053 2009-12-30  Ian Lance Taylor  <iant@google.com>
5054
5055         PR 10980
5056         * options.h (class General_options): Permit two dashes with
5057         --retain-symbols-file.
5058
5059 2009-12-30  Ian Lance Taylor  <iant@google.com>
5060
5061         PR 10979
5062         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5063         don't put the file header and segment headers in the text
5064         segment.
5065
5066         PR 10979
5067         * common.cc (Sort_commons::operator()): Stabilize sort when both
5068         entries are NULL.
5069         (Symbol_table::do_allocate_commons_list): When allocating common
5070         symbols, skip a symbol which is no longer common.
5071         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5072         an object before checking its type.
5073         * testsuite/common_test_2.c: New file.
5074         * testsuite/common_test_3.c: New file.
5075         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5076         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5077         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5078         (common_test_2_pic.o, common_test_2.so): New targets.
5079         (common_test_3_pic.o, common_test_3.so): New targets.
5080         * testsuite/Makefile.in: Rebuild.
5081
5082         PR 10979
5083         * script.cc (read_input_script): If we see a new SECTIONS clause,
5084         and we have added an input section, give an error.
5085         * layout.h (class Layout): Add have_added_input_section function.
5086         Add have_added_input_section_ field.
5087         * layout.cc (Layout::Layout): Initialize
5088         have_added_input_section_.
5089         (Layout::layout): Set have_added_input_section_.
5090         (Layout::layout_eh_frame): Likewise.
5091
5092 2009-12-30  Ian Lance Taylor  <iant@google.com>
5093
5094         PR 10931
5095         * options.h (class General_options): Add --sort-common option.
5096         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5097         * common.cc (Sort_common): Add sort_order parameter to
5098         constructor.  Add sort_order_ field.
5099         (Sort_commons::operator): Check sort_order_.
5100         (Symbol_table::allocate_commons): Determine the sort order.
5101         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5102         Change all callers.
5103         (Symbol_table::do_allocate_commons_list): Likewise.
5104
5105 2009-12-30  Ian Lance Taylor  <iant@google.com>
5106
5107         PR 10916
5108         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5109         symbols from this object, don't change the visibility of an
5110         undefined symbol.
5111         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5112
5113 2009-12-30  Ian Lance Taylor  <iant@google.com>
5114
5115         PR 10861
5116         * script.h (class Version_script_info): Define Language enum.
5117         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5118         new fields globals_, locals_, and is_finalized_.
5119         * script.cc: Various formatting fixes.
5120         (class Parser_closure): Change language_stack_ from a vector of
5121         std::string to one of Version_script_info::Language.  Adjust all
5122         uses accordingly.
5123         (class Lazy_demangler): Remove.
5124         (struct Version_expression): Change language from std::string to
5125         Version_script_info::Language.
5126         (Version_script_info::Version_script_info): New function.
5127         (Version_script_info::~Version_script_info): Don't call clear.
5128         (Version_script_info::finalize): New function.
5129         (Version_script_info::build_lookup_tables): New function.
5130         (Version_script_info::build_expression_list_lookup): New
5131         function.
5132         (Version_script_info::get_symbol_version_helper): Rewrite to use
5133         lookup tables.
5134         (Version_script_info::print_expression_list): Adjust to use
5135         Version_script_info::Language.
5136         (script_push_lex_into_version_mode): Check that the version script
5137         has not been finalized.
5138         (version_script_push_lang): Change language string to
5139         Version_script_info::Language.
5140         * options.cc (Command_line::version_script): New function.
5141         * options.h (class General_options): Add finalize_dynamic_list
5142         function.  Change version_script from declaration to definition.
5143         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5144         * testsuite/version_script.map: Remove duplicate def of foo.
5145         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5146         version_script.map.
5147         * testsuite/Makefile.in: Rebuild.
5148
5149 2009-12-30  Ian Lance Taylor  <iant@google.com>
5150
5151         PR 10843
5152         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5153         if the input symbol index is 0, make the output symbol index 0.
5154
5155 2009-12-30  Ian Lance Taylor  <iant@google.com>
5156
5157         PR 10670
5158         * options.h (class General_options): Add -x/--discard-all.
5159         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5160         --discard-all.  If the local symbol needs a dynamic entry, check
5161         that before handling --discard-locals.
5162
5163 2009-12-30  Ian Lance Taylor  <iant@google.com>
5164
5165         PR 10450
5166         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5167         flags to PF_R.
5168         (Output_segment::add_output_section): Don't change the flags if
5169         the type is PT_TLS.
5170
5171         PR 10450
5172         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5173         GNU hash table if they need a dynamic value.  Otherwise, don't add
5174         them if they are defined in a dynamic object or are forced local.
5175
5176 2009-12-29  Ian Lance Taylor  <iant@google.com>
5177
5178         PR 10450
5179         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5180         .gnu.hash table for a 32-bit target.
5181
5182         PR 10450
5183         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5184         regular and a dynamic object only needs a dynamic symbol table
5185         entry if it is externally visible.
5186
5187         PR 10450
5188         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5189         constructor.  Add global_offset_table_ field.
5190         (Target_i386::got_section): Set global_offset_table_.
5191         (Target_i386::do_finalize_sections): Set global_offset_table_
5192         size.
5193         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5194         in constructor.  Add global_offset_table_ field.
5195         (Target_x86_64::got_section): Set global_offset_table_.
5196         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5197         size.
5198
5199         * layout.cc (Layout::Layout): Initialize increase_relro_.
5200         (Layout::get_output_section): Add is_relro, is_last_relro, and
5201         is_first_non_relro parameters.  Change all callers.
5202         (Layout::choose_output_section): Likewise.
5203         (Layout::add_output_section_data): Likewise.
5204         (Layout::make_output_section): Likewise.
5205         (Layout::set_segment_offsets): Clear increase_relro when using a
5206         linker script.
5207         * layout.h (class Layout): Add increase_relro method.  Add
5208         increase_relro_ field.  Update declarations.
5209         * output.cc (Output_section::Output_section): Initialize
5210         is_last_relro_ and is_first_non_relro_.
5211         (Output_segment::add_output_section): Group relro sections is
5212         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5213         (Output_segment::maximum_alignment): Remove relro handling.
5214         (Output_segment::set_section_addresses): Add increase_relro
5215         parameter.  Change all callers.  Add initial alignment to align
5216         relro sections on separate page.  Remove old relro handling.
5217         (Output_segment::set_section_list_addresses): Remove in_relro
5218         parameter.  Change all callers.
5219         (Output_segment::set_offset): Add increase parameter.  Change all
5220         callers.  Remove old relro handling.
5221         * output.h (class Output_section): Add new methods: is_last_relro,
5222         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5223         Add is_last_relro_ and is_first_non_relro_ fields.
5224         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5225         Create separate .got.plt section.  Call increase_relro.
5226         * x86_64.cc (Target_x86_64::got_section): Likewise.
5227         * testsuite/relro_script_test.t: Add .got.plt.
5228
5229         PR 10450
5230         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5231         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5232         (Layout::finalize): Call set_dynamic_symbol_size.
5233         (Layout::set_dynamic_symbol_size): New function.
5234         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5235         set_dynamic_symbol_size.
5236
5237         PR 10450
5238         * output.h (class Output_section): Add is_entsize_zero_ field.
5239         * output.cc (Output_section::Output_section): Initialize
5240         is_entsize_zero_.
5241         (Output_section::set_entsize): If two different entsizes are
5242         requested, force it to zero.
5243         (Output_section::add_input_section): Set flags for .debug_str
5244         before updating section flags.  Set entsize.
5245         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5246         and SHF_STRING if all input sections have those flags.
5247
5248 2009-12-29   Rafael Espindola  <espindola@google.com>
5249
5250         * main.cc (main): Fix the sys time reporting.
5251         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5252         reporting.
5253
5254 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5255
5256         * options.cc (General_options::parse_version): Allow -v to exit
5257         without an error if there is nothing to link.
5258
5259 2009-12-29  Ian Lance Taylor  <iant@google.com>
5260
5261         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5262         using a version of gcc before 4.1.
5263         * configure: Rebuild.
5264
5265 2009-12-28  Chris Demetriou  <cgd@google.com>
5266
5267         * attributes.cc (Output_attributes_section_data::do_write): Use
5268         std::vector::front rather than std::vector::data.
5269
5270 2009-12-28  Ian Lance Taylor  <iant@google.com>
5271
5272         * symtab.h (class Symbol_table): Add enum Defined.
5273         * resolve.cc (Symbol_table::should_override): Add defined
5274         parameter.  Change all callers.  Test whether object is NULL
5275         before calling a method on it.
5276         (Symbol_table::report_resolve_problem): Add defined parameter.
5277         Change all callers.
5278         (Symbol_table::should_override_with_special): Likewise.
5279         * symtab.cc (Symbol_table::define_in_output_data): Add defined
5280         parameter.  Change all callers.
5281         (Symbol_table::do_define_in_output_data): Likewise.
5282         (Symbol_table::define_in_output_segment): Likewise.
5283         (Symbol_table::do_define_in_output_segment): Likewise.
5284         (Symbol_table::define_as_constant): Likewise.
5285         (Symbol_table::do_define_as_constant): Likewise.
5286         * script.h (class Symbol_assignment): Add is_defsym parameter to
5287         constructor; change all callers.
5288         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
5289         parameter.  Change all callers.  Add is_defsym_ field.
5290         (class Parser_closure): Add parsing_defsym parameter to
5291         constructor; change all callers.  Add parsing_defsym accessor
5292         function.  Add parsing_defsym_ field.
5293
5294 2009-12-28  Ian Lance Taylor  <iant@google.com>
5295
5296         * gold.cc (queue_middle_tasks): Fix formatting.
5297         * object.cc (Relobj::is_section_name_included): Likewise.
5298
5299 2009-12-23  Ian Lance Taylor  <iant@google.com>
5300
5301         * i386.cc (Target_i386::do_calls_non_split): Recognize
5302         -fsplit-stack prologue for a function with a static chain.
5303         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
5304         -fsplit-stack prologue when using %r11.
5305
5306 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
5307
5308         * options.cc (General_options::parse_version): Make -v continue and do
5309         the link like GNU ld does.
5310
5311 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
5312
5313         * Makefile.am (CCFILES): Add timer.cc.
5314         (HFILES): Add timer.h.
5315         * configure.ac: Check for sysconf and times.
5316         * main.cc: include timer.h.
5317         (main): Use Timer instead of get_run_time.
5318         * timer.cc: New.
5319         * timer.h: New.
5320         * workqueue.cc: include timer.h.
5321         (Workqueue::find_and_run_task):
5322         Report user, sys and wall time.
5323         * Makefile.in: Regenerate.
5324         * config.in: Regenerate.
5325         * configure: Regenerate.
5326
5327 2009-12-16  Doug Kwan  <dougkwan@google.com>
5328
5329         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
5330         sections.
5331         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
5332         relaxed input sections.
5333         * output.cc (Output_section::find_relaxed_input_section): Change
5334         return type to Output_relaxed_input_section pointer.  Adjust code
5335         for new type of relaxed_input_section_map_.
5336         * output.h (Output_section::find_relaxed_input_section): Change
5337         return type to Output_relaxed_input_section pointer.
5338         (Output_section::Output_relaxed_input_section_by_input_section_map):
5339         New type.
5340         (Output_section::relaxed_input_section_map_): Change type to
5341         Output_section::Output_relaxed_input_section_by_input_section_map.
5342         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
5343         input section.
5344
5345 2009-12-15  Ian Lance Taylor  <iant@google.com>
5346
5347         * layout.cc (Layout::create_shstrtab): Only write out after input
5348         sections if we are compressing debug sections.
5349
5350 2009-12-15  Ian Lance Taylor  <iant@google.com>
5351
5352         * archive.cc (Archive::add_symbols): Only look up a symbol without
5353         a version if there is, in fact, a version.
5354
5355 2009-12-14  Ian Lance Taylor  <iant@google.com>
5356
5357         Revert -Wshadow changes, all changes from:
5358         2009-12-11  Doug Kwan  <dougkwan@google.com>
5359         2009-12-11  Nick Clifton  <nickc@redhat.com>
5360         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
5361
5362 2009-12-11  Doug Kwan  <dougkwan@google.com>
5363
5364         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
5365         due to -Wshadow.
5366         * attributes.cc (Object_attribute::size): Ditto.
5367         (Attributes_section_data::size): Ditto.
5368         (Attributes_section_data::Attributes_section_data): Ditto.
5369         (Output_attributes_section_data::do_write): Ditto.
5370         * attributes.h (Object_attribute::set_type): Ditto.
5371         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
5372
5373 2009-12-11  Nick Clifton  <nickc@redhat.com>
5374
5375         * archive.cc: Fix shadowed variable warnings.
5376         * arm.cc: Likewise.
5377         * compressed_output.cc: Likewise.
5378         * compressed_output.h: Likewise.
5379         * configure: Likewise.
5380         * dwarf_reader.cc: Likewise.
5381         * dynobj.cc: Likewise.
5382         * dynobj.h: Likewise.
5383         * ehframe.cc: Likewise.
5384         * ehframe.h: Likewise.
5385         * errors.cc: Likewise.
5386         * expression.cc: Likewise.
5387         * fileread.cc: Likewise.
5388         * fileread.h: Likewise.
5389         * freebsd.h: Likewise.
5390         * i386.cc: Likewise.
5391         * icf.cc: Likewise.
5392         * incremental.h: Likewise.
5393         * layout.cc: Likewise.
5394         * layout.h: Likewise.
5395         * mapfile.cc: Likewise.
5396         * merge.cc: Likewise.
5397         * merge.h: Likewise.
5398         * object.cc: Likewise.
5399         * object.h: Likewise.
5400         * options.h: Likewise.
5401         * output.cc: Likewise.
5402         * output.h: Likewise.
5403         * parameters.cc: Likewise.
5404         * plugin.cc: Likewise.
5405         * powerpc.cc: Likewise.
5406         * reduced_debug_output.cc: Likewise.
5407         * reduced_debug_output.h: Likewise.
5408         * reloc.cc: Likewise.
5409         * reloc.h: Likewise.
5410         * resolve.cc: Likewise.
5411         * script-sections.cc: Likewise.
5412         * script.cc: Likewise.
5413         * script.h: Likewise.
5414         * sparc.cc: Likewise.
5415         * symtab.cc: Likewise.
5416         * symtab.h: Likewise.
5417         * target-select.cc: Likewise.
5418         * target-select.h: Likewise.
5419         * token.h: Likewise.
5420         * workqueue.cc: Likewise.
5421         * workqueue.h: Likewise.
5422         * x86_64.cc: Likewise.
5423
5424 2009-12-10  Doug Kwan  <dougkwan@google.com>
5425
5426         * arm.cc (attributes.h): New include.
5427         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5428         (Arm_relobj::~Arm_relobj): Delete object pointed by
5429         attributes_section_data_.
5430         (Arm_relobj::attributes_section_data): New method definition.
5431         (Arm_relobj::attributes_section_data_): New data member declaration.
5432         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5433         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5434         attributes_section_data_.
5435         (Arm_dynobj::attributes_section_data): New method definition.
5436         (Arm_dynobj::attributes_section_data_): New data member declaration.
5437         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5438         initialization value of may_use_blx_ to false.
5439         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5440         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5441         object attributes to compute results instead of hard-coding.
5442         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5443         Target_arm::get_secondary_compatible_arch,
5444         Target_arm::set_secondary_compatible_arch
5445         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5446         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5447         New method declarations.
5448         (Target_arm::get_aeabi_object_attribute): New method definition.
5449         (Target_arm::attributes_section_data_): New data member declaration.
5450         (read_arm_attributes_section): New template definition.
5451         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5452         (Arm_dynobj::do_read_symbols): Ditto.
5453         (Target_arm::do_finalize_sections): Merge attributes sections from
5454         input.  Check for BLX use after attributes section merging.
5455         Fix __exidx_start and __exidx_end visibility.  Create an
5456         .ARM.attributes section if necessary.
5457         (Target_arm::get_secondary_compatible_arch,
5458         Target_arm::set_secondary_compatible_arch,
5459         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5460         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5461         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5462         New method definitions.
5463
5464 2009-12-09  Ian Lance Taylor  <iant@google.com>
5465
5466         * plugin.cc (Plugin::load): Don't cast from void* to a function
5467         pointer.
5468
5469 2009-12-09  Ian Lance Taylor  <iant@google.com>
5470
5471         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5472         information fields.
5473
5474 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5475
5476         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5477         Replace two_file_shared_1.so with two_file_shared_2.so.
5478         * testsuite/Makefile.in: Regenerated.
5479
5480 2009-12-08  Doug Kwan  <dougkwan@google.com>
5481
5482         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5483         (HFILES): Add attributes.h and int_encoding.h.
5484         * Makefile.in: Regenerate.
5485         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5486         function definitions to int_encoding.cc
5487         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5488         prototypes to int_encoding.h
5489         * reduced_debug_output.cc (int_encoding.h): New include.
5490         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5491         function definitions to int_encoding.cc
5492         (insert_into_vector, read_from_pointer): Move template definitions to
5493         int_encoding.h
5494         * attributes.cc: New file.
5495         * attributes.h: New file.
5496         * int_encoding.cc: New file.
5497         * int_encoding.h: New file.
5498
5499 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5500
5501         PR gold/11055
5502         * incremental-dump.cc (dump_incremental_inputs): New.
5503         (main): Use dump_incremental_inputs.
5504
5505 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5506
5507         PR gold/10893
5508         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5509         checking elfcpp::STT_FUNC.
5510         (Target_i386::Relocate::relocate): Likewise.
5511         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5512
5513         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5514         symbols from shared libraries into normal FUNC symbols.
5515
5516         * symtab.h (Symbol): Add is_func and use it.
5517
5518 2009-12-05  Doug Kwan  <dougkwan@google.com>
5519
5520         * arm.cc (Target_arm::arm_info): Initialize new fields
5521         attributes_section and attributes_vendor.
5522         * i386.cc (Target_i386::i386_info): Same.
5523         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5524         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5525         fields attributes_section and attributes_vendor.
5526         * sparc.cc (Target_sparc::sparc_info): Same.
5527         * target.h (Target::attributes_section, Target::attributes_vendor,
5528         Target::is_attributes_section, Target::attribute_arg_type,
5529         Target::attributes_order): New method definitions.
5530         (Target::Target_info::attributes_section,
5531         Target::Target_info::attributes_vendor): New fields.
5532         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5533         virtual method definitions.
5534         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5535         attributes_section and attributes_vendor.
5536         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5537
5538 2009-12-05  Doug Kwan  <dougkwan@google.com>
5539
5540         * arm.cc: Update comments about interworking and stub generation.
5541         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5542         considered as non-PIC.
5543         (Arm_relocate_functions::base_abs): Fix formatting.
5544         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5545         of function to use GOT entry address instead of offset.
5546         (Target_arm::Scan::global): Issue an error if a symbol would need a
5547         PLT does not get one because it is untyped.  Remove code to create
5548         dynamic symbols for relative branches.
5549         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5550         takes unsigned integer instead of boolean.
5551
5552 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5553
5554         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5555         (two_file_test_LDADD): Likewise.
5556         (common_test_1_LDADD): Likewise.
5557         (exception_test_LDADD) Likewise.
5558         (weak_test_LDADD): Likewise.
5559         (many_sections_test_LDADD): Likewise.
5560         (initpri1_LDADD): Likewise.
5561         (script_test_1_LDADD): Likewise.
5562         (script_test_2_LDADD): Likewise.
5563         (justsyms_LDADD): Likewise.
5564         (binary_test_LDADD): Likewise.
5565         (large_LDADD): Likewise.
5566         * testsuite/Makefile.in: Regenerated.
5567
5568 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5569
5570         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5571         (Symbol_table::override_with_special): Likewise.
5572         (Symbol_table::add_from_object): Likewise.
5573
5574 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5575
5576         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5577         Don't set the data_offset twice.
5578
5579 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5580
5581         * testsuite/Makefile.in: Regenerate.
5582
5583 2009-12-03  Doug Kwan  <dougkwan@google.com>
5584
5585         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5586         (Target_arm::do_finalize_sections): Add parameter for symbol table
5587         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5588         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5589         parameter for symbol table pointer.
5590         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5591         an additional parameter for a pointer to symbol table.
5592         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5593         parameter for a symbol table pointer.
5594         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5595         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5596         Ditto.
5597         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5598         parameter for a symbol table pointer.
5599
5600 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5601
5602         * incremental.cc (Incremental_inputs_header)
5603         (Incremental_inputs_header_write, Incremental_inputs_entry)
5604         (Incremental_inputs_entry_write): Move ...
5605         * incremental.h (Incremental_inputs_header)
5606         (Incremental_inputs_header_write, Incremental_inputs_entry)
5607         (Incremental_inputs_entry_write): here.
5608
5609 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5610
5611         * incremental.cc (make_sized_incremental_binary): Set the target.
5612         Error if it is incompatible.
5613         * output.h (Output_file): Add filename method.
5614
5615 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5616
5617         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5618         from the get_* methods.
5619
5620 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5621
5622         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5623         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5624         Write 0 for the data_offset of scripts.
5625
5626 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5627
5628         * testsuite/Makefile.am: Add the incremental_test.sh test.
5629         * testsuite/incremental_test.sh: New.
5630         * testsuite/incremental_test_1.c: New.
5631         * testsuite/incremental_test_2.c: New.
5632
5633 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5634
5635        * incremental-dump.cc (main): Fix typos.
5636
5637 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5638
5639         PR gold/11025
5640         * incremental-dump.cc (main): Use llu to print 64 bit values.
5641
5642 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5643             H.J. Lu  <hongjiu.lu@intel.com>
5644
5645         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5646         $(LIBDL).
5647         (incremental_dump_LDADD): Likewise.
5648         * Makefile.in: Regenerated.
5649
5650 2009-11-25  Doug Kwan  <dougkwan@google.com>
5651
5652         Revert:
5653
5654         2009-11-25  Doug Kwan  <dougkwan@google.com>
5655
5656                 * arm.cc (Target_arm::Target_arm): Move method definition
5657                 outside of class definition.  Add code to handle
5658                 --target1-rel, --target1-abs and --target2= options.
5659                 (Target_arm::get_reloc_reloc_type): Change method to be
5660                 non-static and const.
5661                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5662                 New data member declaration.
5663                 (Target_arm::Scan::local, Target_arm::Scan::global,
5664                 Target_arm::Relocate::relocate,
5665                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5666                 Adjust call to Target_arm::get_real_reloc_type.
5667                 (Target_arm::get_real_reloc_type): Use command line options
5668                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5669                 * options.h (--target1-rel, --target1-abs, --target2): New
5670                 ARM-only options.
5671
5672 2009-11-25  Doug Kwan  <dougkwan@google.com>
5673
5674         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5675         class definition.  Add code to handle --target1-rel, --target1-abs
5676         and --target2= options.
5677         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5678         and const.
5679         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5680         member declaration.
5681         (Target_arm::Scan::local, Target_arm::Scan::global,
5682         Target_arm::Relocate::relocate,
5683         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5684         call to Target_arm::get_real_reloc_type.
5685         (Target_arm::get_real_reloc_type): Use command line options to
5686         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5687         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5688         options.
5689
5690 2009-11-25  Doug Kwan  <dougkwan@google.com>
5691
5692         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5693         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5694         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5695         formatting.
5696         (Arm_relocate_functions::thm_call): Replace body with a call to
5697         Arm_relocate_functions::thumb_branch_common.
5698         (Arm_relocate_functions::thm_jump24,
5699         Arm_relocate_functions::thm_xpc22): New method definitions.
5700         (Arm_relocate_functions::thumb_branch_common): New method definition.
5701         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5702         operator.
5703         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5704         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5705
5706 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5707
5708         * Makefile.am: Build incremental-dump
5709         * Makefile.in: Regenerate.
5710         * incremental-dump.cc: New.
5711         * incremental.cc (Incremental_inputs_header_data,
5712         Incremental_inputs_entry_data): Move to incremental.h
5713         * incremental.h: (Incremental_inputs_header_data,
5714         Incremental_inputs_entry_data): Move from incremental.cc
5715
5716 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5717
5718         * incremental.cc (Incremental_inputs_header,
5719         Incremental_inputs_header_write, Incremental_inputs_entry,
5720         Incremental_inputs_entry_write): Add a typedef with the data type.
5721
5722 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5723
5724         * incremental.cc (Incremental_inputs_header,
5725         Incremental_inputs_header_write, Incremental_inputs_entry,
5726         Incremental_inputs_entry_write): Update comment about which
5727         type has the filed descriptions.
5728
5729 2009-11-15  Doug Kwan  <dougkwan@google.com>
5730
5731         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5732         (Arm_relocate_functions::arm_branch_common): Change method defintion
5733         in class definition to a method declaration and update list of formal
5734         parameters.
5735         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
5736         Arm_relocation_functions::jump24): Adjust call to
5737         Arm_relocate_functions::arm_branch_common.  Update list of formal
5738         parameters.
5739         (Arm_relocate_functions::xpc25): New method definition.
5740         (Arm_relocate_functions::arm_branch_common): Move method defintion
5741         out from class definition.  Use stubs for mode-switching and extending
5742         branch ranges.
5743         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
5744         specially.  Change code to enable use of stubs in ARM branches.
5745
5746 2009-11-10  Doug Kwan  <dougkwan@google.com>
5747
5748         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5749         in method declaration.
5750         (Target_arm::relocate_stub): New method declaration.
5751         (Target_arm::default_target): Change to return a pointer instead of
5752         a const reference.
5753         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
5754         Target_arm::default_target.
5755         (Arm_Relobj::do_relocate_sections): Remove options paramater in
5756         method definition.
5757         (Target_arm::relocate_section): Adjust view.
5758         (Target_arm::relocate_stub): New method definition.
5759
5760 2009-11-10  Doug Kwan  <dougkwan@google.com>
5761
5762         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
5763         a format warning.
5764         * incremental.cc (open_incremental_binary): Initialized local
5765         variables to avoid warnings.
5766         * object.cc (make_elf_object): Ditto.
5767         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
5768         a format warning.
5769
5770 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
5771
5772         PR gold/10930
5773         * testsuite/plugin_test.c: Include "config.h".
5774
5775 2009-11-09  Doug Kwan  <dougkwan@google.com>
5776
5777         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
5778         (arm_symbol_value): Remove.
5779         (Arm_relocate_functions::arm_branch_common,
5780         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
5781         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
5782         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
5783         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
5784         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
5785         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
5786         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
5787         Arm_relocate_functions::thm_mobw_abs_nc,
5788         Arm_relocate_functions::thm_mov_abs,
5789         Arm_relocate_functions::movw_prel_nc,
5790         Arm_relocate_functions::thm_movt_abs,
5791         Arm_relocate_functions::movt_prel,
5792         Arm_relocate_functions::thm_movw_prel_nc,
5793         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
5794         (Target_arm::Relocate::relocate): Only decompose address into two
5795         parts if relocation type uses the thumb-bit and pass the actual
5796         bit instead of a flag indicating that the thumb-bit is used.  Adjust
5797         calls to methods in Arm_relocate_functions for this change.
5798
5799 2009-11-08  Ian Lance Taylor  <iant@google.com>
5800
5801         PR 10925
5802         * reloc.cc: Instantiate
5803         Sized_relobj::initialize_input_to_output_maps and
5804         Sized_relobj:free_input_to_output_maps.
5805
5806 2009-11-06  Ian Lance Taylor  <iant@google.com>
5807
5808         PR 10876
5809         * defstd.cc (in_segment): Set only_if_ref true for "end".
5810
5811 2009-11-06  Doug Kwan  <dougkwan@google.com>
5812
5813         * arm.cc (class Reloc_stub): Correct a comment.
5814         (Target_arm::Target_arm): Initialize arm_input_section_map_.
5815         (Target_arm::scan_section_for_stubs): New method declaration.
5816         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
5817         Change methods from private to protected.
5818         (Target_arm::do_may_relax): New method definition.
5819         (Target_arm::do_relax, Target_arm::group_sections,
5820         Target_arm::scan_reloc_for_stub,
5821         Target_arm::scan_reloc_section_for_stubs): New method declarations.
5822         (Target_arm::arm_input_section_map_): New data member declaration.
5823         (Target_arm::scan_reloc_for_stub,
5824         Target_arm::scan_reloc_section_for_stubs,
5825         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
5826         Target_arm::do_relax): New method definitions.
5827
5828 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
5829
5830         * configure.ac: Check for (struct stat)::st_mtim
5831         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
5832         * config.in: Regenerate.
5833         * configure: Regenerate.
5834
5835 2009-11-05  Ian Lance Taylor  <iant@google.com>
5836
5837         PR 10910
5838         * output.cc (Output_segment::add_output_section): Add missing
5839         return statement.
5840
5841 2009-11-04  Ian Lance Taylor  <iant@google.com>
5842
5843         PR 10880
5844         * object.h (class Object): Add is_needed and set_is_needed
5845         methods.  Add is_needed_ field.  Make bool fields into bitfields.
5846         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
5847         defined in a dynamic object and referenced by a regular object,
5848         set is_needed for the dynamic object.
5849         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
5850         if the file is marked with as_needed and it is not needed.
5851
5852 2009-11-04  Ian Lance Taylor  <iant@google.com>
5853
5854         PR 10887
5855         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
5856         tags if data is discarded by linker script.
5857         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5858         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5859         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5860         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5861
5862 2009-11-04  Ian Lance Taylor  <iant@google.com>
5863
5864         * layout.cc (Layout::get_output_section): Add is_interp and
5865         is_dynamic_linker_section parameters.  Change all callers.
5866         (Layout::choose_output_section): Likewise.
5867         (Layout::make_output_section): Likewise.
5868         (Layout::add_output_section_data): Add is_dynamic_linker_section
5869         parameter.  Change all callers.
5870         * layout.h (class Layout): Update declarations.
5871         * output.h (class Output_section): Add is_interp, set_is_interp,
5872         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
5873         Add is_interp_, is_dynamic_linker_section_ fields.  Change
5874         generate_code_fills_at_write_ to a bitfield.
5875         * output.cc (Output_section::Output_sections): Initialize new
5876         fields.
5877         (Output_segment::add_output_section): Add do_sort parameter.
5878         Change all callers.
5879
5880 2009-11-03  Ian Lance Taylor  <iant@google.com>
5881
5882         PR 10860
5883         * options.h (class General_options): Add --warn-common.
5884         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
5885         merging two common symbols.
5886         (Symbol_table::should_override): Handle --warn-common when merging
5887         a common symbol with a defined symbol.  Use report_resolve_problem
5888         for multiple definitions.
5889         (Symbol_table::report_resolve_problem): New function.
5890         * symtab.h (class Symbol_table): Declare report_resolve_problem.
5891
5892 2009-11-03  Doug Kwan  <dougkwan@google.com>
5893
5894         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
5895         stub_factory_.
5896         (Target_arm::stub_factory): New method definition.
5897         (Target_arm::new_arm_input_section,
5898         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
5899         Target_arm::reloc_uses_thumb_bit): New method declarations.
5900         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
5901         New type definitions.
5902         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
5903         member declarations.
5904         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
5905         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
5906         New method definitions.
5907
5908 2009-11-03  Ian Lance Taylor  <iant@google.com>
5909
5910         * options.h (class General_options): Add --warn_constructors.
5911
5912 2009-11-03  Ian Lance Taylor  <iant@google.com>
5913
5914         PR 10893
5915         * defstd.cc (in_section): Add entries for __rel_iplt_start,
5916         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
5917
5918 2009-11-03  Ian Lance Taylor  <iant@google.com>
5919
5920         PR 10895
5921         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
5922         --msgid-bugs-address.
5923         (install-pdf): New target.
5924         (install-data_yes): Look up one directory to find mkinstalldirs.
5925
5926 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
5927
5928         * po/Make-in (.po.gmo): Don't generate .gmo files in source
5929         tree.
5930
5931 2009-10-30  Doug Kwan  <dougkwan@google.com>
5932
5933         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
5934
5935 2009-10-30  Doug Kwan  <dougkwan@google.com>
5936
5937         * arm.cc (Stub_addend_reader): New struct template definition
5938         and partial specializations.
5939         (Stub_addend_reader::operator()): New method definition for a
5940         partially specialized template.
5941
5942 2009-10-30  Doug Kwan  <dougkwan@google.com>
5943
5944         * arm.cc (Arm_relobj::processor_specific_flags): New method
5945         definition.
5946         (Arm_relobj::do_read_symbols): New method declaration.
5947         (Arm_relobj::processor_specific_flags_): New data member declaration.
5948         (Arm_dynobj): New class definition.
5949         (Target_arm::do_finalize_sections): Add input_objects parameter.
5950         (Target_arm::do_adjust_elf_header): New method declaration.
5951         (Target_arm::are_eabi_versions_compatible,
5952         (Target_arm::merge_processor_specific_flags): New method declaration.
5953         (Target_arm::do_make_elf_object): New overloaded method definitions
5954         and declaration.
5955         (Arm_relobj::do_read_symbols): New method definition.
5956         (Arm_dynobj::do_read_symbols): Ditto.
5957         (Target_arm::do_finalize_sections): Add input_objects parameters.
5958         Merge processor-specific flags from all input objects.
5959         (Target_arm::are_eabi_versions_compatible,
5960         Target_arm::merge_processor_specific_flags,
5961         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
5962         New method definitions.
5963         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
5964         Input_objects pointer type parameter.
5965         * layout.cc (Layout::finalize): Pass input objects to target's.
5966         finalize_sections function.
5967         * output.cc (Output_file_header::do_sized_write): Set ELF file
5968         header's processor-specific flags.
5969         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
5970         Input_objects pointer type parameter.
5971         * sparc.cc (Target_sparc::do_finalize_sections): Same.
5972         * target.h (Input_objects): New forward class declaration.
5973         (Target::processor_specific_flags,
5974         Target::are_processor_specific_flags_sect): New method definitions.
5975         (Target::finalize_sections): Add input_objects parameter.
5976         (Target::Target): Initialize processor_specific_flags_ and
5977         are_processor_specific_flags_set_.
5978         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
5979         parameter.
5980         (Target::set_processor_specific_flags): New method definition.
5981         (Target::processor_specific_flags_,
5982         Target::are_processor_specific_flags_set_): New data member
5983         declarations.
5984         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
5985         Input_objects pointer type parameter.
5986
5987 2009-10-30  Doug Kwan  <dougkwan@google.com>
5988
5989         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
5990
5991 2009-10-28  Ian Lance Taylor  <iant@google.com>
5992
5993         * object.h (class Relobj): Drop options parameter from
5994         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
5995         do_scan_relocs, do_relocate.  Change all callers.
5996         (class Sized_relobj): Drop options parameters from
5997         do_gc_process_relocs, do_scan_relocs, do_relocate,
5998         do_relocate_sections, relocate_sections, emit_relocs_scan,
5999         emit_relocs_scan_reltype.  Change all callers.
6000         (struct Relocate_info): Remove options field and all references to
6001         it.
6002         * reloc.h (class Read_relocs): Remove options constructor
6003         parameter and options_ field.  Change all callers.
6004         (class Gc_process_relocs, class Scan_relocs): Likewise.
6005         (class Relocate_task): Likewise.
6006         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6007         all callers.
6008         (scan_relocatable_relocs): Likewise.
6009         * target.h (class Sized_target): Remove options parameter from
6010         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6011         all callers.
6012         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6013         callers.
6014         * arm.cc: Update functions to remove options parameters.
6015         * i386.cc: Likewise.
6016         * powerpc.cc: Likewise.
6017         * sparc.cc: Likewise.
6018         * x86_64.cc: Likewise.
6019         * testsuite/testfile.cc: Likewise.
6020
6021 2009-10-28  Doug Kwan  <dougkwan@google.com>
6022
6023         * arm.cc (Arm_relobj): New class definition.
6024         (Arm_relobj::scan_sections_for_stubs,
6025         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6026         New method definitions.
6027
6028 2009-10-28  Cary Coutant  <ccoutant@google.com>
6029
6030         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6031         (Plugin::cleanup_done_): New member.
6032         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6033         (Plugin_manager::cleanup_done_): Remove.
6034         (Plugin_manager::add_input_file): Edit error message.
6035         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6036         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6037
6038 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6039
6040         * fileread.cc: (File_read::View::~View): Use the new
6041         data_ownership_ filed.
6042         (File_read::~File_read): Dispose the new whole_file_view_.
6043         (File_read::open): Mmap the whole file if needed.
6044         (File_read::open): Use whole_file_view_ instead of contents_.
6045         (File_read::find_view): Use whole_file_view_ if applicable.
6046         (File_read::do_read): Use whole_file_view_ instead of contents_.
6047         (File_read::make_view): Use whole_file_view_ instead of contents_,
6048         update File_read::View::View call.
6049         (File_read::find_or_make_view): Update File_read::View::View
6050         call.
6051         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6052         remove contents_
6053         (File_read::View::Data_ownership): New enum.
6054         (File_read::View::View): Replace bool mapped_ with Data_ownership
6055         argument.
6056         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6057         (File_read::View::data_ownership_): New field.
6058         (File_read::contents_): Remove (replaced by whole_file_view_).
6059         (File_read::whole_file_view_): New field.
6060         * options.h (class General_options): Add --keep-files-mapped.
6061
6062 2009-10-27  Cary Coutant  <ccoutant@google.com>
6063
6064         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6065         * testsuite/Makefile.am (plugin_test_5): New test case.
6066         * testsuite/Makefile.in: Regenerate.
6067
6068 2009-10-25  Doug Kwan  <dougkwan@google.com>
6069
6070         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6071         from private to protected to allow access by child class.
6072         (Sized_relobj::do_relocate_sections): New method declaration.
6073         (Sized_relobj::relocate_sections): Virtualize.
6074         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6075         Sized_relobj::relocate_sections.  Instantiate template explicitly
6076         for different target sizes and endianity.
6077
6078 2009-10-24  Doug Kwan  <dougkwan@google.com>
6079
6080         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6081         (Arm_input_section::as_arm_input_section): New method.
6082         (Arm_output_section): New class definition.
6083         (Arm_output_section::create_stub_group,
6084         Arm_output_section::group_sections): New method definitions.
6085
6086 2009-10-22  Doug Kwan  <dougkwan@google.com>
6087
6088         * arm.cc (Arm_input_section): New class definition.
6089         (Arm_input_section::init, Arm_input_section:do_write,
6090         Arm_input_section::set_final_data_size,
6091         Arm_input_section::do_reset_address_and_file_offset): New method
6092         definitions.
6093
6094 2009-10-21  Doug Kwan  <dougkwan@google.com>
6095
6096         * arm.cc (Stub_table, Arm_input_section): New forward class
6097         declarations.
6098         (Stub_table): New class defintion.
6099         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6100         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6101         New method definition.
6102
6103 2009-10-21  Doug Kwan  <dougkwan@google.com>
6104
6105         * arm.cc: Update copyright comments.
6106         (Target_arm): New forward class template declaration.
6107         (Arm_address): New type.
6108         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6109         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6110         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6111         constants.
6112         (Insn_template): Same.
6113         (DEF_STUBS): New macro.
6114         (Stub_type): New enum type.
6115         (Stub_template): New class definition.
6116         (Stub): Same.
6117         (Reloc_stub): Same.
6118         (Stub_factory): Same.
6119         (Target_arm::Target_arm): Initialize may_use_blx_ and
6120         should_force_pic_veneer_.
6121         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6122         Target_arm::should_force_pic_veneer,
6123         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6124         Target_arm::using_thumb_only, Target_arm:;default_target): New
6125         method defintions.
6126         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6127         New data member declarations.
6128         (Insn_template::size, Insn_template::alignment): New method defintions.
6129         (Stub_template::Stub_template): New method definition.
6130         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6131         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6132         (Stub_factory::Stub_factory): New method definition.
6133         * gold.h (string_hash): New template.
6134         * output.h (Input_section_specifier::hash_value): Use
6135         gold::string_hash.
6136         (Input_section_specifier::string_hash): Remove.
6137         * stringpool.cc (Stringpool_template::string_hash): Use
6138         gold::string_hash.
6139
6140 2009-10-20  Doug Kwan  <dougkwan@google.com>
6141
6142         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6143         symbols of relaxed input sections.
6144         * output.h (Output_section::find_relaxed_input_section): Make
6145         method public.
6146
6147 2009-10-16  Doug Kwan  <dougkwan@google.com>
6148
6149         * dynobj.cc (Versions::Versions): Initialize version_script_.
6150         Only insert base version symbol definition for a shared object
6151         if version script defines any version versions.
6152         (Versions::define_base_version): New method definition.
6153         (Versions::add_def): Check that base version is not needed.
6154         (Versions::add_need): Define base version lazily.
6155         * dynobj.h (Versions::define_base_version): New method declaration.
6156         (Versions::needs_base_version_): New data member declaration.
6157         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6158         (check_DATA): Add no_version_test.stdout.
6159         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6160         New make rules.
6161         * testsuite/Makefile.in: Regenerate.
6162         * testsuite/no_version_test.c: New file.
6163         * testsuite/no_version_test.sh: Ditto.
6164
6165 2009-10-16  Doug Kwan  <dougkwan@google.com>
6166
6167         * expression.cc (class Segment_start_expression): New class definition.
6168         (Segment_start_expression::value): New method definition.
6169         (script_exp_function_segment_start): Return a new
6170         Segment_start_expression.
6171         * gold/script-c.h (script_saw_segment_start_expression): New function
6172         prototype.
6173         * script-sections.cc (Script_sections::Script_sections): Initialize
6174         SAW_SEGMENT_START_EXPRESSION_ to false.
6175         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6176         and -Tbbs options to specify section addresses if given in
6177         command line and no SEGMENT_START expression is seen in a script.
6178         * script-sections.h (Script_sections::saw_segment_start_expression,
6179         Script_sections::set_saw_segment_start_expression): New method
6180         definition.
6181         (Script_sections::saw_segment_start_expression_): New data member
6182         declaration.
6183         * script.cc (script_saw_segment_start_expression): New function.
6184         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6185         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6186         script_test_7.sh and script_test_8.sh.
6187         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6188         script_test_8.stdout.
6189         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6190         (script_test_6, script_test_6.stdout, script_test_7,
6191         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6192         * Makefile.in: Regenerate.
6193         * testsuite/script_test_6.sh: New file.
6194         * testsuite/script_test_6.t: Same.
6195         * testsuite/script_test_7.sh: Same.
6196         * testsuite/script_test_7.t: Same.
6197         * testsuite/script_test_8.sh: Same.
6198
6199 2009-10-16  Doug Kwan  <dougkwan@google.com>
6200
6201         * output.cc (Output_segment::set_section_list_address): Cast
6202         expressions to unsigned long long type to avoid format warnings.
6203
6204 2009-10-15  Ian Lance Taylor  <iant@google.com>
6205
6206         * script.cc (Script_options::add_symbol_assignment): Always add a
6207         dot assignment to script_sections_.
6208         * script-sections.cc (Script_sections::add_dot_assignment):
6209         Initialize if necessary.
6210
6211         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6212         program headers with no load segment if there is a linker script.
6213
6214         * layout.cc (Layout::set_segment_offsets): Align the file offset
6215         to the segment aligment for -N or -n with no load segment.
6216         * output.cc (Output_segment::add_output_section): Don't crash if
6217         the first section is a TLS section.
6218         (Output_segment::set_section_list_addresses): Print an error
6219         message if the address moves backward in a linker script.
6220         * script-sections.cc
6221         (Output_section_element_input::set_section_addresses): Don't
6222         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6223         (Orphan_output_section::set_section_addresses): Likewise.
6224
6225 2009-10-15  Doug Kwan  <dougkwan@google.com>
6226
6227         * layout.cc (Layout::finish_dynamic_section): Generate tags
6228         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6229         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6230         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6231
6232 2009-10-14  Ian Lance Taylor  <iant@google.com>
6233
6234         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6235         fields.
6236         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6237         data_shdr fields of relinfo.
6238         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6239         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6240         R_386_TLS_LDO_32, adjust based on section flags.
6241         (Target_i386::Relocate::fix_up_ldo): Remove.
6242
6243 2009-10-13  Ian Lance Taylor  <iant@google.com>
6244
6245         Add support for -pie.
6246         * options.h (class General_options): Add -pie and
6247         --pic-executable.
6248         (General_options::output_is_position_independent): Test -pie.
6249         (General_options::output_is_executable): Return true if not shared
6250         and not relocatable.
6251         (General_options::output_is_pie): Remove.
6252         * options.cc (General_options::finalize): Reject incompatible uses
6253         of -pie.
6254         * gold.cc (queue_middle_tasks): A -pie link is not static.
6255         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6256         * symtab.cc (Symbol::final_value_is_known): Return false if
6257         output_is_position_independent.
6258         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6259         output_is_position_independent.
6260         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6261         output_is_position_independent.
6262         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6263         output_is_position_independent.
6264         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6265         two_file_pie_test.
6266         (basic_pie_test.o, basic_pie_test): New targets.
6267         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
6268         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
6269         (two_file_pie_test): New target.
6270         * testsuite/Makefile.in: Rebuild.
6271         * README: Remove note saying that -pie is not supported.
6272
6273 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6274
6275         * options.h (class General_options): Add -init and -fini.
6276         * layout.cc (Layout::finish_dynamic_section): Emit
6277         given init and fini functions.
6278
6279 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
6280
6281         * gc.h (gc_process_relocs): Check if icf is enabled using new
6282         function.
6283         * gold.cc (queue_initial_tasks): Likewise.
6284         (queue_middle_tasks): Likewise.
6285         * object.cc (do_layout): Likewise.
6286         * symtab.cc (is_section_folded): Likewise.
6287         * main.cc (main): Likewise.
6288         * reloc.cc (Read_relocs::run): Likewise.
6289         (Sized_relobj::do_scan_relocs): Likewise.
6290         * icf.cc (is_function_ctor_or_dtor): New function.
6291         (Icf::find_identical_sections): Check if function is ctor or dtor when
6292         safe icf is chosen.
6293         * options.h (General_options::icf): Change option to be an enum.
6294         (Icf_status): New enum.
6295         (icf_enabled): New method.
6296         (icf_safe_folding): New method.
6297         (set_icf_status): New method.
6298         (icf_status_): New variable.
6299         * (options.cc) (General_options::finalize): Set icf_status_.
6300         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
6301         icf_test and icf_keep_unique_test to use the --icf enum flag.
6302         * testsuite/icf_safe_test.sh: New file.
6303         * testsuite/icf_safe_test.cc: New file.
6304
6305 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
6306
6307         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
6308         includes to gc.h and icf.h.
6309         * arm.cc: Include gc.h.
6310         * gold.cc: Likewise.
6311         * i386.cc: Likewise.
6312         * powerpc.cc: Likewise.
6313         * sparc.cc: Likewise.
6314         * x86_64.cc: Likewise.
6315         * gc.h: Include icf.h.
6316
6317 2009-10-11  Ian Lance Taylor  <iant@google.com>
6318
6319         * plugin.cc: Include "gold.h" before other header files.
6320
6321 2009-10-10  Chris Demetriou  <cgd@google.com>
6322
6323         * options.h (Input_file_argument::Input_file_type): New enum.
6324         (Input_file_argument::is_lib_): Replace with...
6325         (Input_file_argument::type_): New member.
6326         (Input_file_argument::Input_file_argument): Take Input_file_type
6327         'type' rather than boolean 'is_lib' as second argument.
6328         (Input_file_argument::is_lib): Use type_.
6329         (Input_file_argument::is_searched_file): New function.
6330         (Input_file_argument::may_need_search): Handle is_searched_file.
6331         * options.cc (General_options::parse_library): Support -l:filename.
6332         (General_options::parse_just_symbols): Update for Input_file_argument
6333         changes.
6334         (Command_line::process): Likewise.
6335         * archive.cc (Archive::get_file_and_offset): Likewise.
6336         * plugin.cc (Plugin_manager::release_input_file): Likewise.
6337         * script.cc (read_script_file, script_add_file): Likewise.
6338         * fileread.cc (Input_file::Input_file): Likewise.
6339         (Input_file::will_search_for): Handle is_searched_file.
6340         (Input_file::open): Likewise.
6341         * readsyms.cc (Read_symbols::get_name): Likewise.
6342         * testsuite/Makefile.am (searched_file_test): New test.
6343         * testsuite/Makefile.in: Regenerate.
6344         * testsuite/searched_file_test.cc: New file.
6345         * testsuite/searched_file_test_lib.cc: New file.
6346
6347 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6348             Ian Lance Taylor  <iant@google.com>
6349
6350         * descriptor.cc: Include <cstdio> and "binary-io.h".
6351         (Descriptors::open): Open the files in binary mode always.
6352         * script.cc (Lex::get_token): Treat \r as whitespace.
6353
6354 2009-10-09  Ian Lance Taylor  <iant@google.com>
6355
6356         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
6357
6358 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6359             Ian Lance Taylor  <iant@google.com>
6360
6361         * configure.ac: Check for readv function also.
6362         * fileread.cc (readv): Define if not HAVE_READV.
6363         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
6364         does not exist.
6365         * config.in: Regenerate.
6366         * configure: Regenerate.
6367
6368 2009-10-09  Doug Kwan  <dougkwan@google.com>
6369
6370         * layout.cc (Layout::make_output_section): Call target hook to make
6371         ordinary output section.
6372         (Layout::finalize): Adjust parameter list of call the
6373         Target::may_relax().
6374         * layout.h (class Layout::section_list): New method.
6375         * merge.h (Output_merge_base::entsize): Change visibility to public.
6376         (Output_merge_base::is_string, Output_merge_base::do_is_string):
6377         New methods.
6378         (Output_merge_string::do_is_string): New method.
6379         * object.cc (Sized_relobj::do_setup): renamed from
6380         Sized_relobj::set_up.
6381         * object.h (Sized_relobj::adjust_shndx,
6382         Sized_relobj::initializ_input_to_output_maps,
6383         Sized_relobj::free_input_to_output_maps): Change visibilities to
6384         protected.
6385         (Sized_relobj::setup): Virtualize.
6386         (Sized_relobj::do_setup): New method declaration.
6387         (Sized_relobj::invalidate_section_offset,
6388         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
6389         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
6390         * options.cc (parse_int): New function.
6391         * options.h (parse_int): New declaration.
6392         (DEFINE_int): New macro.
6393         (stub_group_size): New option.
6394         * output.cc (Output_section::Output_section): Initialize memebers
6395         merge_section_map_, merge_section_by_properties_map_,
6396         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
6397         (Output_section::add_input_section): Handled deferred code-fill
6398         generation and remove an old comment.
6399         (Output_section::add_relaxed_input_section): New method definition.
6400         (Output_section::add_merge_input_section): Use merge section by
6401         properties map to speed to search.  Update merge section maps
6402         as appropriate.
6403         (Output_section::build_relaxation_map): New method definition.
6404         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6405         Same.
6406         (Output_section::relax_input_section): Renamed to
6407         Output_section::convert_input_sections_to_relaxed_sections and change
6408         interface to take a vector of pointers to relaxed sections.
6409         (Output_section::find_merge_section,
6410         Output_section::find_relaxed_input_section): New method definitions.
6411         (Output_section::is_input_address_mapped,
6412         Output_section::output_offset, Output_section::output_address):
6413         Use output section data maps to speed up searching.
6414         (Output_section::find_starting_output_address): Add comments.
6415         (Output_section::do_write,
6416         Output_section::write_to_postprocessing_buffer): Do code-fill
6417         generation as appropriate.
6418         (Output_section::get_input_sections): Invalidate relaxed input section
6419         map.
6420         (Output_section::restore_states): Adjust type of checkpoint .
6421         Invalidate relaxed input section map.
6422         * output.h (Output_merge_base): New class declaration.
6423         (Input_section_specifier): New class defintion.
6424         (class Output_relaxed_input_section) Change base class to
6425         Output_section_data_build.
6426         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6427         base class initializer.
6428         (Output_section::add_relaxed_input_section): New method declaration.
6429         (Output_section::Input_section): Change visibility to protected.
6430         (Output_section::Input_section::relobj,
6431         Output_section::Input_section::shndx): Handle relaxed input sections.
6432         Output_section::input_sections) Change visibility to protected.  Also
6433         define overload to return a non-const pointer.
6434         (Output_section::Merge_section_properties): New class defintion.
6435         (Output_section::Merge_section_by_properties_map,
6436         Output_section::Output_section_data_by_input_section_map,
6437         Output_section::Relaxation_map): New types.
6438         (Output_section::relax_input_section): Rename method to
6439         Output_section::convert_input_sections_to_relaxed_sections and change
6440         interface to take a vector of relaxed section pointers.
6441         (Output_section::find_merge_section,
6442         Output_section::find_relaxed_input_section,
6443         Output_section::build_relaxation_map,
6444         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6445         New method declarations.
6446         (Output_section::merge_section_map_
6447         Output_section::merge_section_by_properties_map_,
6448         Output_section::relaxed_input_section_map_,
6449         Output_section::is_relaxed_input_section_map_valid_,
6450         Output_section::generate_code_fills_at_write_): New data members.
6451         * script-sections.cc
6452         (Output_section_element_input::set_section_addresses): Call
6453         current_data_size and addralign methods of relaxed input sections.
6454         (Orphan_output_section::set_section_addresses): Call current_data_size
6455         and addralign methods of relaxed input sections.
6456         * symtab.cc (Symbol_table::compute_final_value): Extract template
6457         from the body of Symbol_table::sized_finalize_symbol.
6458         (Symbol_table::sized_finalized_symbol): Call
6459         Symbol_table::compute_final_value.
6460         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6461         (Symbol_table::compute_final_value): New templated method declaration.
6462         * target.cc (Target::do_make_output_section): New method defintion.
6463         * target.h (Target::make_output_section): New method declaration.
6464         (Target::relax): Add more parameters for input objects, symbol table
6465         and layout.  Adjust call to do_relax.
6466         (Target::do_make_output_section): New method declaration.
6467         (Target::do_relax): Add parameters for input objects, symbol table
6468         and layout.
6469
6470 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6471
6472         * pread.c: Include stdio.h.
6473
6474 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6475
6476         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6477         defined.
6478
6479 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6480
6481         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6482         Change read_shndx type to unsigned int.
6483         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6484         int.
6485         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6486         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6487         Change read_shndx type to unsigned int.
6488         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6489         int.
6490         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6491         * layout.cc (Layout::create_symtab_sections): Cast the result of
6492         local_symcount * symsize to off_t in the gold_assert.
6493
6494 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6495
6496         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6497         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6498         R_ARM_BASE_ABS.
6499         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6500         (Arm_relocate_functions::thm_abs5): New function.
6501         (Arm_relocate_functions::abs12): New function.
6502         (Arm_relocate_functions::abs16): New function.
6503         (Arm_relocate_functions::base_abs): New function.
6504         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6505         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6506         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6507         R_ARM_BASE_ABS.
6508         (Scan::global): Likewise.
6509         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6510         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6511         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6512         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6513         R_ARM_BASE_ABS.
6514
6515 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6516
6517         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6518         (Arm_relocate_functions::movt_prel): New function.
6519         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6520         (Arm_relocate_functions::thm_movt_prel): New function.
6521         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6522         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6523         (Scan::global, Relocate::relocate): Likewise.
6524         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6525
6526 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6527
6528         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6529         Incremental_checker.
6530         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6531         unsigned int.
6532         (class Incremental_inputs_header): New class.
6533         (Incremental_inputs_header_writer): Edit comment.
6534         (Incremental_inputs_entry): New class.
6535         (Incremental_inputs_entry_writer): Edit comment.
6536         (Sized_incremental_binary::do_find_incremental_inputs_section):
6537         Add *strtab_shndx parameter, fill it.
6538         (Sized_incremental_binary::do_check_inputs): New method.
6539         (Incremental_checker::can_incrementally_link_output_file): Use
6540         Sized_incremental_binary::check_inputs.
6541         (Incremental_inputs::report_command_line): Save command line in
6542         command_line_.
6543         * incremental.h:
6544         (Incremental_binary::find_incremental_inputs_section): New
6545         method.
6546         (Incremental_binary::do_find_incremental_inputs_section): Add
6547         strtab_shndx parameter.
6548         (Incremental_binary::do_check_inputs): New pure virtual method.
6549         (Sized_incremental_binary::do_check_inputs): Declare.
6550         (Incremental_checker::Incremental_checker): Add incremental_inputs
6551         parameter, use it to initialize incremental_inputs_.
6552         (Incremental_checker::incremental_inputs_): New field.
6553         (Incremental_checker::command_line): New method.
6554         (Incremental_checker::inputs): New method.
6555         (Incremental_checker::command_line_): New field.
6556
6557 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6558
6559         * incremental.cc: Include <cstdarg> and "target-select.h".
6560         (vexplain_no_incremental): New function.
6561         (explain_no_incremental): New function.
6562         (Incremental_binary::error): New method.
6563         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6564         method.
6565         (make_sized_incremental_binary): New function.
6566         (open_incremental_binary): New function.
6567         (can_incrementally_link_file): Add checks if output is ELF and has
6568         inputs section.
6569         * incremental.h: Include "elfcpp_file.h" and "output.h".
6570         (Incremental_binary): New class.
6571         (Sized_incremental_binary): New class.
6572         (open_incremental_binary): Declare.
6573         * object.cc (is_elf_object): Use
6574         elfcpp::Elf_recognizer::is_elf_file.
6575         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6576         * output.h (Output_file::filesize): New method.
6577
6578 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6579
6580         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6581         New function.
6582         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6583         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6584         function.
6585         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6586         function.
6587         (Arm_relocate_functions::movw_abs_nc): New function.
6588         (Arm_relocate_functions::movt_abs): New function.
6589         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6590         (Arm_relocate_functions::thm_movt_abs): New function.
6591         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6592         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6593         (Scan::global): Likewise.
6594         (Relocate::relocate): Likewise.
6595         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6596
6597 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6598
6599         * arm.cc (Arm_relocate_functions::got_prel) New function.
6600         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6601         (Relocate::relocate): Likewise.
6602         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6603
6604 2009-10-06  Ian Lance Taylor  <iant@google.com>
6605
6606         * options.h (class General_options): Define
6607         split_stack_adjust_size parameter.
6608         * object.h (class Object): Add uses_split_stack_ and
6609         has_no_split_stack_ fields.  Add uses_split_stack and
6610         has_no_split_stack accessor functions.  Declare
6611         handle_split_stack_section.
6612         (class Reloc_symbol_changes): Define.
6613         (class Sized_relobj): Define Function_offsets.  Declare
6614         split_stack_adjust, split_stack_adjust_reltype, and
6615         find_functions.
6616         * object.cc (Object::handle_split_stack_section): New function.
6617         (Sized_relobj::do_layout): Call handle_split_stack_section.
6618         * dynobj.cc (Sized_dynobj::do_layout): Call
6619         handle_split_stack_section.
6620         * reloc.cc (Sized_relobj::relocate_sections): Call
6621         split_stack_adjust for executable sections in split_stack
6622         objects.  Pass reloc_map to relocate_section.
6623         (Sized_relobj::split_stack_adjust): New function.
6624         (Sized_relobj::split_stack_adjust_reltype): New function.
6625         (Sized_relobj::find_functions): New function.
6626         * target-reloc.h: Include "object.h".
6627         (relocate_section): Add reloc_symbol_changes parameter.  Change
6628         all callers.
6629         * target.h (class Target): Add calls_non_split method.  Declare
6630         do_calls_non_split virtual method.  Declare match_view and
6631         set_view_to_nop.
6632         * target.cc: Include "elfcpp.h".
6633         (Target::do_calls_non_split): New function.
6634         (Target::match_view): New function.
6635         (Target::set_view_to_nop): New function.
6636         * gold.cc (queue_middle_tasks): Give an error if mixing
6637         split-stack and non-split-stack objects with -r.
6638         * i386.cc (Target_i386::relocate_section): Add
6639         reloc_symbol_changes parameter.
6640         (Target_i386::do_calls_non_split): New function.
6641         * x86_64.cc (Target_x86_64::relocate_section): Add
6642         reloc_symbol_changes parameter.
6643         (Target_x86_64::do_calls_non_split): New function.
6644         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6645         parameter.
6646         * powerpc.cc (Target_powerpc::relocate_section): Add
6647         reloc_symbol_changes parameter.
6648         * sparc.cc (Target_sparc::relocate_section): Add
6649         reloc_symbol_changes parameter.
6650         * configure.ac: Call AM_CONDITIONAL for the default target.
6651         * configure: Rebuild.
6652         * testsuite/Makefile.am (TEST_AS): New variable.
6653         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6654         (check_DATA): Add split_i386 and split_x86_64 files.
6655         (SPLIT_DEFSYMS): Define.
6656         (split_i386_[1234n].o): New targets.
6657         (split_i386_[124]): New targets.
6658         (split_i386_[1234r].stdout): New targets.
6659         (split_x86_64_[1234n].o): New targets.
6660         (split_x86_64_[124]): New targets.
6661         (split_x86_64_[1234r].stdout): New targets.
6662         (MOSTLYCLEANFILES): Add new executables.
6663         * testsuite/split_i386.sh: New file.
6664         * testsuite/split_x86_64.sh: New file.
6665         * testsuite/split_i386_1.s: New file.
6666         * testsuite/split_i386_2.s: New file.
6667         * testsuite/split_i386_3.s: New file.
6668         * testsuite/split_i386_4.s: New file.
6669         * testsuite/split_i386_n.s: New file.
6670         * testsuite/split_x86_64_1.s: New file.
6671         * testsuite/split_x86_64_2.s: New file.
6672         * testsuite/split_x86_64_3.s: New file.
6673         * testsuite/split_x86_64_4.s: New file.
6674         * testsuite/split_x86_64_n.s: New file.
6675         * testsuite/testfile.cc (Target_test): Update relocation_section
6676         function.
6677         * testsuite/Makefile.in: Rebuild.
6678
6679 2009-10-06  Ian Lance Taylor  <iant@google.com>
6680
6681         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6682         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6683         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6684         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6685         the address on ldo_addrs_.
6686         (Target_i386::Relocate::fix_up_ldo): New function.
6687
6688 2009-10-06   Rafael Espindola  <espindola@google.com>
6689
6690         * plugin.cc (add_input_library): New.
6691         (Plugin::load): Add add_input_library to tv.
6692         (Plugin_manager::add_input_file): Add the is_lib argument.
6693         (add_input_file): Update call to Plugin_manager::add_input_file.
6694         (add_input_library): New.
6695         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6696
6697 2009-09-30  Doug Kwan  <dougkwan@google.com>
6698
6699         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6700         symbol and call Symbol::may_need_copy_reloc to determine if
6701         a copy reloc is needed.
6702         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6703         nocopyreloc is given in command line.
6704         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6705         given in command line.
6706         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6707         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6708         of the removed Target_i386::may_need_copy_reloc.
6709         * options.h (copyreloc): New option with default value false.
6710         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6711         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6712         instead of the removed Target_powerpc::may_need_copy_reloc.
6713         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6714         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6715         instead of the removed Target_sparc::may_need_copy_reloc.
6716         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6717         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6718         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6719         instead of the removed Target_x86_64::may_need_copy_reloc.
6720
6721 2009-09-30  Ian Lance Taylor  <iant@google.com>
6722
6723         * object.h (class Object): Remove target_ field, and target,
6724         sized_target, and set_target methods.
6725         (Object::sized_target): Remove.
6726         (class Sized_relobj): Update declarations.  Remove sized_target.
6727         * object.cc (Sized_relobj::setup): Remove target parameter.
6728         Change all callers.
6729         (Input_objects::add_object): Don't do anything with the target.
6730         (make_elf_sized_object): Add punconfigured parameter.  Change all
6731         callers.  Set or test parameter target.
6732         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6733         Change all callers.
6734         * parameters.cc (Parameters::set_target): Change parameter type to
6735         be non-const.
6736         (Parameters::default_target): Remove.
6737         (set_parameters_target): Change parameter type to be non-const.
6738         (parameters_force_valid_target): New function.
6739         (parameters_clear_target): New function.
6740         * parameters.h (class Parameters): Update declarations.  Remove
6741         default_target method.  Add sized_target and clear_target
6742         methods.  Change target_ to be non-const.
6743         (set_parameters_target): Update declaration.
6744         (parameters_force_valid_target): Declare.
6745         (parameters_clear_target): Declare.
6746         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
6747         as NULL if we aren't searching.
6748         (Add_symbols::run): Don't check for compatible target.
6749         * fileread.cc (Input_file::open_binary): Call
6750         parameters_force_valid_target.
6751         * gold.cc (queue_middle_tasks): Likewise.
6752         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
6753         set_target on object.
6754         * dynobj.h (class Sized_dynobj): Update declarations.
6755         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
6756         make_elf_object returns NULL.
6757         (Archive::include_member): Don't check whether object target is
6758         compatible.
6759         * output.cc (Output_section::add_input_section): Get target from
6760         parameters.
6761         (Output_section::relax_input_section): Likewise.
6762         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
6763         parameters.
6764         (Sized_relobj::do_scan_relocs): Likewise.
6765         (Sized_relobj::relocate_sections): Likewise.
6766         * resolve.cc (Symbol_table::resolve): Likewise.
6767         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
6768         parameter.  Change all callers.
6769         (Symbol_table::add_from_object): Get target from parameters.
6770         (Symbol_table::add_from_relobj): Don't check object target.
6771         (Symbol_table::add_from_dynobj): Likewise.
6772         (Symbol_table::define_special_symbol): Get target from
6773         parameters.
6774         * symtab.h (class Symbol_table): Update declaration.
6775         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
6776         parameter.  Change all callers.  Clear parameter target.
6777         (Binary_test): Test target here.
6778         * testsuite/object_unittest.cc (gold_testsuite): Remove
6779         target_test_pointer parameter.  Change all callers.
6780         (Object_test): Test target here.
6781
6782 2009-09-26  Ian Lance Taylor  <iant@google.com>
6783
6784         * testsuite/initpri1.c: Don't try to use constructor priorities if
6785         compiling with gcc before 4.3.
6786
6787 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
6788
6789         * testsuite/retain_symbols_file_test.sh (check_present): Change
6790         output file name to retain_symbols_file_test.stdout.
6791         (check_absent): Likewise.
6792
6793 2009-09-18  Craig Silverstein  <csilvers@google.com>
6794
6795         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
6796         * options.cc: Include <cerrno> and <fstream>.
6797         (General_options::finalize): Parse -retain-symbols-file tag.
6798         * options.h: New flag.
6799         (General_options): New method should_retain_symbol, new
6800         variable symbols_to_retain.
6801         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
6802         should_retain_symbol map.
6803         * testsuite/Makefile.am (retain_symbols_file_test): New test.
6804         * testsuite/Makefile.in: Regenerate.
6805         * testsuite/retain_symbols_file_test.sh: New file.
6806
6807 2009-09-18  Nick Clifton  <nickc@redhat.com>
6808
6809         * po/es.po: Updated Spanish translation.
6810
6811 2009-09-17  Doug Kwan  <dougkwan@google.com>
6812
6813         * debug.h (DEBUG_RELAXATION): New constant.
6814         (DEBUG_ALL): Add DEBUG_RELAXATION.
6815         (debug_string_to_enum): Add relaxation debug option.
6816         * layout.cc
6817         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
6818         Layout::Relaxation_debug_check::read_sections,
6819         Layout::Relaxation_debug_check::read_sections): New method definitions.
6820         (Layout::Layout): Initialize data members
6821         record_output_section_data_from_scrips_,
6822         script_output_section_data_list_ and relaxation_debug_check_.
6823         (Layout::save_segments, Layout::restore_segments,
6824         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6825         Layout::relaxation_loop_body): New method definitions.
6826         (Layout::finalize): Support relaxation.  Move section layout code to
6827         Layout::relaxation_loop_body.
6828         (Layout::set_asection_address_from_script): Move code for orphan
6829         section placement out.
6830         (Layout::place_orphan_sections_in_script): New method definition.
6831         * layout.h (Output_segment_headers, Output_file_header):
6832         New forward class declarations.
6833         (Layout::~Layout): Define.
6834         (Layout::new_output_section_data_from_script): New method definition.
6835         (Layout::place_orphan_sections_in_script): New method declaration.
6836         (Layout::Segment_states): New type declaration.
6837         (Layout::save_segments, Layout::restore_segments,
6838         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6839         Layout::relaxation_loop_body): New method declarations.
6840         (Layout::Output_section_data_list): New type declaration.
6841         (Layout::Relaxation_debug_check): New class definition.
6842         (Layout::record_output_section_data_from_script_,
6843         Layout::script_output_section_data_list_, Layout::segment_states_,
6844         Layout::relaxation_debug_check_): New data members.
6845         * output.cc: (Output_section_headers::do_size): New method definition.
6846         (Output_section_headers::Output_section_headers): Move size
6847         computation to Output_section_headers::do_size.
6848         (Output_segment_headers::do_size): New method definition.
6849         (Output_file_header::Output_file_header): Move size computation to
6850         Output_file_header::do_size and call it.
6851         (Output_file_header::do_size): New method definition.
6852         (Output_data_group::Output_data_group): Adjust call to
6853         Output_section_data.
6854         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
6855         (Output_symtab_xindex::do_write): Add array bound check.
6856         (Output_section::Input_section::print_to_mapfile): Handle
6857         RELAXED_INPUT_SECTION_CODE.
6858         (Output_section::Output_section): Initialize data member checkpoint_.
6859         (Output_section::~Output_section): Delete checkpoint object pointed
6860         by checkpoint_.
6861         (Output_section::add_input_section): Always add an Input_section if
6862         relaxing.
6863         (Output_section::add_merge_input_section): Add assert.
6864         (Output_section::relax_input_section): New method definition.
6865         (Output_section::set_final_data_size): Set load address to zero for
6866         an unallocated section.
6867         (Output_section::do_address_and_file_offset_have_reset_values):
6868         New method definition.
6869         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
6870         Handle relaxed input section.
6871         (Output_section::sort_attached_input_sections): Checkpoint input
6872         section list lazily.
6873         (Output_section::get_input_sections): Change type of input_sections to
6874         list of Simple_input_section pointers.  Checkpoint input section list
6875         lazily.  Also handle relaxed input sections.
6876         (Output_section::add_input_section_for_script): Take a reference to
6877         a Simple_input_section object instead of Relobj pointer and section
6878         index as parameter.  Handle relaxed input sections.
6879         (Output_section::save_states, Output_section::restore_states): New
6880         method definitions.
6881         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
6882         (Output_data::is_data_size_fixed): New method definition.
6883         (Output_data::reset_addresss_and_file_offset): Do not reset data size
6884         if it is fixed.
6885         (Output_data::address_and_file_offset_have_reset_values): New method
6886         definition.
6887         (Output_data::do_address_and_file_offset_have_reset_values): New method
6888         definition.
6889         (Output_data::set_data_size): Check that data size is not fixed.
6890         (Output_data::fix_data_size): New method definition.
6891         (Output_data::is_data_size_fixed_): New data member.
6892         (Output_section_headers::set_final_data_size): New method definition.
6893         (Output_section_headers::do_size): New method declaration.
6894         (Output_segment_headers::set_final_data_size): New method definition.
6895         (Output_segment_headers::do_size): New method declaration.
6896         (Output_file_header::set_final_data_size)::New method definition.
6897         (Output_file_header::do_size)::New method declaration.
6898         (Output_section_data::Output_section_data): Add new parameter
6899         is_data_size_fixed and use it to fix data size.
6900         (Output_data_const::Output_data_const): Adjust call to base class
6901         constructor and fix data size.
6902         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
6903         base class constructor and fix data size.
6904         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
6905         base class constructor and fix data size.
6906         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
6907         class constructor and fix data size.
6908         (Output_data_group::set_final_data_size): New method definition.
6909         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
6910         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
6911         class constructor and fix data size.
6912         (Output_relaxed_input_section): New class definition.
6913         (Output_section::Simple_input_section): New class definition.
6914         (Output_section::get_input_sections): Adjust parameter list.
6915         (Output_section::add_input_section_for_script): Same.
6916         (Output_section::save_states, Output_section::restore_states,
6917         Output_section::do_address_and_file_offset_have_reset_values,
6918         (Output_section::Input_section::Input_section): Handle
6919         RELAXED_INPUT_SECTION_CODE.  Add new overload for
6920         Output_relaxed_input_section.
6921         (Output_section::Input_section::is_input_section,
6922         Output_section::Input_section::set_output_section): Handle relaxed
6923         input section.
6924         (Output_section::Input_section::is_relaxed_input_section,
6925         Output_section::Input_section::output_section_data,
6926         Output_section::Input_section::relaxed_input_section): New method
6927         definitions.
6928         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
6929         value.
6930         (Output_section::Input_section::u1_): Update comments.
6931         (Output_section::Input_section::u2_): Add new union member poris.
6932         (Output_section::Checkpoint_output_section): New classs definition.
6933         (Output_section::relax_input_section): New method declaration.
6934         (Output_section::checkpoint_): New data member.
6935         (Output_segment): Update comments.
6936         (Output_segment::Output_segment): Un-privatize copy constructor.
6937         (Output_segment::operator=): Un-privatize.
6938         * script-sections.cc (Output_section_element::Input_section_list):
6939         Change element type to Output_section::Simple_input_section.
6940         (Output_section_element_dot_assignment::set_section_addresses):
6941         Register output section data for relaxation clean up.
6942         (Output_data_exression::Output_data_expression): Adjust call to base
6943         constructor to fix data size.
6944         (Output_section_element_data::set_section_addresses): Register
6945         Output_data_expression object for relaxation clean up.
6946         (struct Input_section_info): Replace Relobj pointer and section index
6947         pair with Output_section::Simple_input_section and Convert struct to a
6948         class.
6949         (Input_section_sorter::operator()): Adjust access to
6950         Input_section_info data member to use accessors.
6951         (Output_section_element_input::set_section_addresses): Use layout
6952         parameter.  Adjust code to use Output_section::Simple_input_section
6953         and Input_secction_info classes.  Register filler for relaxation
6954         clean up.
6955         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
6956         and section index pair with Output_section::Simple_input_section
6957         class.  Adjust code accordingly.
6958         (Phdrs_element::release_segment): New method definition.
6959         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
6960         segment list.
6961         (Script_sections::release_segments): New method definition.
6962         * gold/script-sections.h (Script_sections::release_segments): New
6963         method declaration.
6964         * gold/target.h (Target::may_relax, Target::relax,
6965         Target::do_may_relax, Target::do_relax): New method definitions.
6966
6967 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6968
6969         * arm.cc (has_signed_unsigned_overflow): New function.
6970         (Arm_relocate_functions::abs8): New function.
6971         (Target_arm::Scan::local): Handle R_ARM_ABS8.
6972         (Target_arm::Scan::global): Likewise.
6973         (Target_arm::relocate::relocate): Likewise.
6974         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6975         Likewise.
6976
6977 2009-09-16  Cary Coutant  <ccoutant@google.com>
6978
6979         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
6980         * testsuite/Makefile.in: Regenerate.
6981
6982 2009-09-11  Nick Clifton  <nickc@redhat.com>
6983
6984         * po/gold.pot: Updated by the Translation project.
6985
6986 2009-09-08  Cary Coutant  <ccoutant@google.com>
6987
6988         * output.cc (Output_file::open): Add execute permission to empty file.
6989         * testsuite/Makefile.am (permission_test): New test.
6990         * testsuite/Makefile.in: Regenerate.
6991
6992 2009-09-02  Ian Lance Taylor  <iant@google.com>
6993
6994         * output.cc (Output_file::resize): Call map_no_anonymous rather
6995         than map.
6996
6997 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
6998
6999         * gold.cc: Include "incremental.h".
7000         (queue_initial_tasks): Call Incremental_checker methods.
7001         * incremental.cc: Include "output.h".
7002         (Incremental_checker::can_incrementally_link_output_file): New
7003         method.
7004         * incremental.h (Incremental_checker): New class.
7005
7006         * output.cc (Output_file::open_for_modification): New method.
7007         (Output_file::map_anonymous): Changed return type to bool.  Record
7008         map in base_ field.
7009         (Output_file::map_no_anonymous): New method, broken out of map.
7010         (Output_file::map): Use map_no_anonymous and map_anonymous.
7011         * output.h (class Output_file): Update declarations.
7012
7013 2009-08-24  Cary Coutant  <ccoutant@google.com>
7014
7015         * options.h (Command_line::Pre_options): New class.
7016         (Command_line::pre_options): New member.
7017         * options.cc (gold::options::ready_to_register): New variable.
7018         (One_option::register_option): Do nothing if not registering options.
7019         Assert if same short option registered twice.
7020         (General_options::General_options): Turn off option registration when
7021         done constructing.
7022         (Command_line::Pre_options::Pre_options): New constructor.
7023
7024 2009-08-24  Cary Coutant  <ccoutant@google.com>
7025
7026         * options.h (General_options::no_keep_memory): Remove incorrect
7027         short option.
7028
7029 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7030
7031         * Makefile.am (am__skiplex, am__skipyacc): New.
7032         * Makefile.in: Regenerate.
7033
7034 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7035
7036         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7037         (INCLUDES): ... this.
7038         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7039         (AM_CPPFLAGS): Renamed from ...
7040         (INCLUDE): ... this.
7041         * Makefile.in, testsuite/Makefile.in: Regenerate.
7042
7043         * Makefile.in: Regenerate.
7044         * aclocal.m4: Likewise.
7045         * config.in: Likewise.
7046         * configure: Likewise.
7047         * testsuite/Makefile.in: Likewise.
7048
7049         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7050         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7051         * Makefile.in: Regenerate.
7052         * testsuite/Makefile.in: Regenerate.
7053
7054 2009-08-19  Cary Coutant  <ccoutant@google.com>
7055
7056         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7057         symbols in shared libraries overridden by hidden or internal symbols
7058         in the main program.
7059
7060 2009-08-19  Chris Demetriou  <cgd@google.com>
7061
7062         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7063         checking source file names in error messages.
7064
7065 2009-08-18  Doug Kwan  <dougkwan@google.com>
7066
7067         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7068         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7069         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7070         an elfcpp::Ehdr as parameter.
7071         * object.cc (Object::set_target): Remove the version that looks up
7072         a target and sets it.
7073         (Sized_relobj::setup): Take a Target object instead of
7074         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7075         (make_elf_sized_object): Find target and ask target to
7076         make an ELF object.
7077         * object.h: (Object::set_target): Remove the version that looks up
7078         a target and sets it.
7079         (Sized_relobj::setup): Take a Target object instead of
7080         an elfcpp:Ehdr as parameter.
7081         * target.cc: Include dynobj.h.
7082         (Target::do_make_elf_object_implementation): New.
7083         (Target::do_make_elf_object): New.
7084         * target.h (Target::make_elf_object): New template declaration.
7085         (Target::do_make_elf_object): New method declarations.
7086         (Target::do_make_elf_object_implementation): New template declaration.
7087
7088 2009-08-14  Ian Lance Taylor  <iant@google.com>
7089
7090         * gold.h (FUNCTION_NAME): Define.
7091         (gold_unreachable): Use FUNCTION_NAME.
7092
7093 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7094
7095         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7096         symbol in the --keep-unique list is not found.
7097
7098 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7099
7100         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7101         been maked as --keep-unique.
7102         (Icf::unfold_section): New function.
7103         * icf.h (Icf::unfold_section): New function.
7104         * options.h (General_options::keep_unique): New option.
7105         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7106         * testsuite/Makefile.in: Regenerate.
7107         * testsuite/icf_keep_unique_test.sh: New file.
7108         * testsuite/icf_keep_unique_test.cc: New file.
7109
7110 2009-08-12  Cary Coutant  <ccoutant@google.com>
7111
7112         PR 10471
7113         * resolve.cc (Symbol_table::resolve): Check for references from
7114         dynamic objects to hidden and internal symbols.
7115         * testsuite/Makefile.am (hidden_test.sh): New test.
7116         * testsuite/Makefile.in: Regenerate.
7117         * testsuite/hidden_test.sh: New script.
7118         * testsuite/hidden_test_1.c: New test source.
7119         * testsuite/hidden_test_main.c: New test source.
7120
7121 2009-08-11  Doug Kwan  <dougkwan@google.com>
7122
7123         * arm.cc: Update comments.
7124         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7125         segment to locate the .ARM.exidx section if present.
7126
7127 2009-08-09  Doug Kwan  <dougkwan@google.com>
7128
7129         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7130         patch.
7131
7132 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7133         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7134         compiler warnings.
7135
7136 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7137
7138         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7139         valid tls_segment only for non-debug-section relocations.
7140         * testsuite/Makefile.am: Add gc_tls_test.
7141         * testsuite/Makefile.in: Regenerate.
7142         * testsuite/gc_tls_test.cc: New file.
7143         * testsuite/gc_tls_test.sh: New file.
7144
7145 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7146
7147         * icf.cc: New file.
7148         * icf.h: New file.
7149         * Makefile.am (CCFILES): Add icf.cc.
7150         (HFILES): Add icf.h
7151         * Makefile.in: Regenerate.
7152         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7153         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7154         section, symbol and addend information for the relocs.
7155         * gold.cc (queue_middle_tasks): Call identical code folding.
7156         * gold.h: Add defines for multimap.
7157         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7158         to the call of finalize_local_symbols.
7159         * main.cc (main): Create object of class Icf.
7160         * object.cc (Sized_relobj::do_layout): Allow this function to be
7161         called twice during icf.
7162         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7163         to sections marked as identical by icf.
7164         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7165         when available.
7166         (Sized_relobj::do_section_entsize): New function.
7167         * object.h (Object::section_entsize): New function.
7168         (Object::do_section_entsize): New pure virtual function.
7169         (Relobj::finalize_local_symbols): Add new parameter.
7170         (Relobj::do_section_entsize): New function.
7171         * options.h (General_options::icf): New option.
7172         (General_options::icf_iterations): New option.
7173         (General_options::print_icf_sections): New option.
7174         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7175         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7176         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7177         icf.
7178         * symtab.cc (Symbol_table::is_section_folded): New function.
7179         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7180         to sections marked as identical by icf.
7181         * symtab.h (Symbol_table::set_icf): New function.
7182         (Symbol_table::icf): New function.
7183         (Symbol_table::is_section_folded): New function.
7184         (Symbol_table::icf_): New data member.
7185         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7186         * testsuite/Makefile.am: Add commands to build icf_test.
7187         * testsuite/Makefile.in: Regenerate.
7188         * testsuite/icf_test.sh: New file.
7189         * testsuite/icf_test.cc: New file.
7190
7191 2009-07-24  Chris Demetriou  <cgd@google.com>
7192
7193         * layout.cc (is_compressible_debug_section): Fix incorrect
7194         comment about compressed section names.
7195
7196 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7197
7198         PR 10419
7199         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7200
7201 2009-07-16  Ian Lance Taylor  <iant@google.com>
7202
7203         PR 10400
7204         * layout.h: #include <map>.
7205         (class Kept_section): Change from struct to class.  Add accessors
7206         and setters.  Add section size to Comdat_group mapping.  Change
7207         Comdat_group to std::map.  Add is_comdat_ field.  Add
7208         linkonce_size field in union.
7209         (class Layout): Update declaration of find_or_add_kept_section.
7210         Don't declare find_kept_object.
7211         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7212         parameter.  Add object, shndx, is_comdat, and is_group_name
7213         parameters.  Change all callers.  Adjust for new Kept_section.
7214         (Layout::find_kept_object): Remove.
7215         * object.cc (Sized_relobj::include_section_group): Update use of
7216         Kept_section.  Rename secnum to shndx.  Only record
7217         Kept_comdat_section if sections are the same size.
7218         (Sized_relobj::include_linkonce_section): Update use of
7219         Kept_section.  Only record Kept_comdat_section if sections are the
7220         same size.  Set size of linkonce section.
7221         (Sized_relobj::map_to_kept_section): Update call to
7222         get_kept_comdat_section.
7223         * object.h (class Sized_relobj): Rename fields in
7224         Kept_comdat_section to drop trailing underscores; change object
7225         field to Relobj*.  Change Kept_comdat_section_table to store
7226         struct rather than pointer.
7227         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7228         Add kept_object and kept_shndx parameters.  Change all callers.
7229         (Sized_relobj::get_kept_comdat_section): Change return type to
7230         bool.  Add kept_object and kept_shndx parameters.  Change all
7231         callers.
7232         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7233         Layout::find_or_add_kept_section.
7234
7235 2009-07-09  Ian Lance Taylor  <iant@google.com>
7236
7237         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7238         Reserve space in the hash table.
7239
7240 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7241
7242         * fileread.cc (File_read::get_mtime): New method.
7243         * fileread.h (Timespec): New structure.
7244         (File_read::get_mtime): New method.
7245         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7246         Renamed from timestamp_nsec.
7247         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7248         Elf_Xword.
7249         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7250         timestamp_nsec.
7251         (Incremental_inputs::report_archive): Save mtime; style fix.
7252         (Incremental_inputs::report_obejct): Save mtime; style fix.
7253         (Incremental_inputs::report_script): Save mtime; style fix.
7254         (Incremental_inputs::finalize_inputs): Style fix.
7255         (Incremental_inputs::finalize): Style fix.
7256         (Incremental_inputs::create_input_section_data): Store inputs
7257         mtime.
7258         * incremental.h (Incremental_inputs::report_script): Add mtime
7259         argument.
7260         (Incremental_inputs::Input_info::Input_info): Intialize only one
7261         union member.
7262         (Incremental_inputs::Input_info::archive): Move to nameless
7263         union.
7264         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7265         (Incremental_inputs::Input_info::script): Move to nameless union.
7266         (Incremental_inputs::mtime): New field.
7267         * script.cc (read_input_script): Pass file mtime to
7268         Incremental_input.
7269         * script.h (Script_info::inputs): Style fix.
7270
7271 2009-07-01  Ian Lance Taylor  <ian@airs.com>
7272
7273         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
7274         instead of 32.
7275
7276 2009-06-24  Ian Lance Taylor  <iant@google.com>
7277
7278         PR 10156
7279         * layout.cc (Layout::choose_output_section): If we find an
7280         existing section, update the flags.
7281         (Layout::create_notes): New function, broken out of
7282         Layout::finalize.
7283         (Layout::finalize): Don't create note sections.
7284         (Layout::create_note): Don't crash if linker script discards
7285         section.
7286         (Layout::create_gold_note): Likewise.
7287         (Layout::create_build_id): Likewise.  Don't set
7288         after_input_sections on the section.
7289         (Layout::create_executable_stack_info): Remove target parameter.
7290         Change caller.
7291         * layout.h (class Layout): Declare create_notes.  Update
7292         declaration of create_executable_stack_info.
7293         * gold.cc (queue_middle_tasks): Call create_notes.
7294         * output.cc (Output_section::update_flags_for_input_section): Move
7295         here from output.h.  If SHF_ALLOC flag is newly set, mark address
7296         invalid.
7297         * output.h (Output_data::mark_address_invalid): New function.
7298         (class Output_section): Only declare, not define,
7299         update_flags_for_input_section.  Remove set_flags.
7300
7301 2009-06-24  Ian Lance Taylor  <iant@google.com>
7302
7303         * script-sections.cc (Output_section_definition::
7304         set_section_addresses): Rename shadowing local load_address to
7305         laddr.
7306
7307 2009-06-24  Ian Lance Taylor  <iant@google.com>
7308
7309         PR 10244
7310         * reloc.cc (relocate_sections): Skip empty relocation sections.
7311
7312 2009-06-23  Ian Lance Taylor  <iant@google.com>
7313
7314         PR 10156
7315         * layout.cc (Layout::create_note): Use choose_output_section
7316         rather than make_output_section.
7317
7318 2009-06-23  Ian Lance Taylor  <iant@google.com>
7319
7320         PR 10237
7321         * options.cc (General_options::parse_V): Set printed_version_.
7322         (General_options::General_options): Initialize printed_version_.
7323         * options.h (class General_options): Add printed_version_ field.
7324         * gold.cc (queue_initial_tasks): If there are no input files,
7325         don't give a fatal error if we printed the version information.
7326         (queue_middle_tasks): If using -r with a shared object, give a
7327         fatal error rather than an ordinary error.
7328
7329 2009-06-23  Ian Lance Taylor  <iant@google.com>
7330
7331         PR 10219
7332         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
7333         (Layout::make_output_section): Set have_stabstr_section_ if we see
7334         a .stab*str section.
7335         (Layout::finalize): Call link_stabs_sections.
7336         (Layout::link_stabs_sections): New file.
7337         * layout.h (class Layout): Add have_stabstr_section_ field.
7338         Declare link_stabs_sections.
7339
7340 2009-06-23  Doug Kwan  <dougkwan@google.com>
7341
7342         * Makefile.am (libgold_a_LIBADD): New.
7343         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
7344         * Makefile.in: Regenerate.
7345         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
7346         * configure: Regenerate.
7347         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
7348         * fileread.cc: Include sys/state.h
7349         * gold.h: Declare memmem and strndup if found missing.
7350         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
7351
7352 2009-06-23  Ian Lance Taylor  <iant@google.com>
7353
7354         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
7355         * configure: Rebuild.
7356
7357 2009-06-23  Ian Lance Taylor  <iant@google.com>
7358
7359         PR 10147
7360         * object.cc (Object::section_contents): Don't try to get a view if
7361         the section has length zero.
7362         (Object::handle_gnu_warning_section): If the section is empty, use
7363         the name of the section as the warning.
7364
7365 2009-06-23  Ian Lance Taylor  <iant@google.com>
7366
7367         PR 10133
7368         * stringpool.h (class Stringpool_template): Add optimize_ field.
7369         (Stringpool_template::set_optimize): New function.
7370         * stringpool.cc (Stringpool_template::Stringpool_template):
7371         Initialize optimize_ field.
7372         (Stringpool_template::set_string_offsets): Test local optimize
7373         fild rather than parameter.
7374         * layout.cc (Layout::Layout): Call set_optimize on the section
7375         name stringpool.
7376
7377 2009-06-22  Ian Lance Taylor  <iant@google.com>
7378
7379         PR 10030
7380         * yyscript.y: Parse TARGET.
7381         * script.cc (script_set_target): New function.
7382         * script-c.h (script_set_target): Declare.
7383         * options.cc (General_options::string_to_object_format): Rename
7384         from string_to_object_format in anonymous namespace.  Change
7385         callers.
7386         * options.h (class General_options): Declare
7387         string_to_object_format.
7388
7389 2009-06-22  Ian Lance Taylor  <iant@google.com>
7390
7391         * script-sections.cc (Script_sections::create_segments): Don't put
7392         program headers in a PT_LOAD segment if -n or -N.
7393
7394 2009-06-22  Ian Lance Taylor  <iant@google.com>
7395
7396         PR 10141
7397         * options.h (class General_options): Add -z lazy and -z now.  Sort
7398         -z options into alphabetical order.
7399         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
7400
7401 2009-06-21  Ian Lance Taylor  <iant@google.com>
7402
7403         * layout.cc (Layout::make_output_section): Call
7404         Target::new_output_section.
7405         (Layout::attach_allocated_section_to_segment): Put large section
7406         sections in a separate load segment with the large segment flag
7407         set.
7408         (Layout::segment_precedes): Sort large data segments after other
7409         load segments.
7410         (align_file_offset): New static function.
7411         (Layout::set_segment_offsets): Use align_file_offset.
7412         * output.h (class Output_section): Add is_small_section_ and
7413         is_large_section_ fields.
7414         (Output_section::is_small_section): New function.
7415         (Output_section::set_is_small_section):  New function.
7416         (Output_section::is_large_section): New function.
7417         (Output_section::set_is_large_section): New function.
7418         (Output_section::is_large_data_section): New function.
7419         (class Output_segment): Add is_large_data_segment_ field.
7420         (Output_segment::is_large_data_segment): New function.
7421         (Output_segment::set_is_large_data_segment): New function.
7422         * output.cc (Output_section::Output_section): Initialize new
7423         fields.
7424         (Output_segment::Output_segment): Likewise.
7425         (Output_segment::add_output_section): Add assertion that large
7426         data sections always go in large data segments.  Force small data
7427         sections to the end of the list of data sections.  Force small BSS
7428         sections to the start of the list of BSS sections.  For large BSS
7429         sections to the end of the list of BSS sections.
7430         * symtab.h (class Symbol): Declare is_common_shndx.
7431         (Symbol::is_defined): Check Symbol::is_common_shndx.
7432         (Symbol::is_common): Likewise.
7433         (class Symbol_table): Define enum Commons_section_type.  Update
7434         declarations.  Add small_commons_ and large_commons_ fields.
7435         * symtab.cc (Symbol::is_common_shndx): New function.
7436         (Symbol_table::Symbol_table): Initialize new fields.
7437         (Symbol_table::add_from_object): Put small and large common
7438         symbols in the right list.
7439         (Symbol_table::sized_finalized_symbol): Check
7440         Symbol::is_common_shndx.
7441         (Symbol_table::sized_write_globals): Likewise.
7442         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7443         common symbol lists.  Don't call do_allocate_commons_list if the
7444         list is empty.
7445         (Symbol_table::do_allocate_commons_list): Remove is_tls
7446         parameter.  Add comons_section_type parameter.  Change all
7447         callers.  Handle small and large common symbols.
7448         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7449         Symbol::is_common_shndx.
7450         * resolve.cc (symbol_to_bits): Likewise.
7451         * target.h (Target::small_common_shndx): New function.
7452         (Target::small_common_section_flags): New function.
7453         (Target::large_common_shndx): New function.
7454         (Target::large_common_section_flags): New function.
7455         (Target::new_output_section): New function.
7456         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7457         small_common_section_flags, and large_common_section_flags
7458         fields.
7459         (Target::do_new_output_section): New virtual function.
7460         * arm.cc (Target_arm::arm_info): Initialize new fields.
7461         * i386.cc (Target_i386::i386_info): Likewise.
7462         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7463         Likewise.
7464         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7465         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7466         (Target_x86_64::do_new_output_section): New function.
7467         * configure.ac: Define conditional MCMODEL_MEDIUM.
7468         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7469         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7470         (large_LDFLAGS): Define.
7471         * testsuite/large.c: New file.
7472         * testsuite/testfile.cc (Target_test::test_target_info):
7473         Initialize new fields.
7474         * configure, testsuite/Makefile.in: Rebuild.
7475
7476 2009-06-05  Doug Kwan  <dougkwan@google.com>
7477
7478         * Makefile.am (CCFILES): Add target.cc.
7479         * Makefile.in: Regenerate.
7480         * i386.cc (class Target_i386): Define new virtual method to
7481         override do_is_local_label_name in parent.
7482         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7483         local symbols if --discard-locals or -X is given.
7484         * options.h (class General_options): Declare new options
7485         '--discard-locals' and '-X' for discarding locals.
7486         * target.h (class Target): Define new methods is_local_label_name.
7487         Declare new virtual method do_is_local_label_name.
7488         * target.cc: New file.
7489         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7490         (check_SCRIPTS): Add discard_locals_test.sh.
7491         (check_DATA): Add discard_local_tests.syms.
7492         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7493         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7494         * testsuite/Makefile.in: Regenerate.
7495         * testsuite/discard_locals_test.c: New file.
7496         * testsuite/discard_locals_test.sh: Same.
7497
7498 2009-06-05  Doug Kwan  <dougkwan@google.com>
7499
7500         * object.cc (Sized_relobj::Sized_relobj): Initialize
7501         discarded_eh_frame_shndx_ to -1U.
7502         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7503         section.
7504         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7505         a discarded .eh_frame section.
7506         (Sized_relobj::do_finalize_local_symbols): Ditto.
7507         * object.h (class Sized_relobj): Declare new member
7508         discarded_eh_frame_shndx_.
7509         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7510         (local_labels_test.o, local_labels_test): New rules.
7511         * testsuite/Makefile.in: Regenerate.
7512
7513 2009-06-04  Doug Kwan  <dougkwan@google.com>
7514
7515         * layout.cc (Layout::section_name_mapping): Add mapping for
7516         special ARM sections.
7517
7518 2009-06-03  Doug Kwan  <dougkwan@google.com>
7519
7520         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7521         (utils::has_overflow): Same.
7522
7523 2009-06-03  Ian Lance Taylor  <iant@google.com>
7524
7525         * layout.cc (Layout::section_name_mapping): New array, replacing
7526         Layout::linkonce_mapping.
7527         (Layout::section_name_mapping_count): New variable, replacing
7528         Layout::linkonce_mapping_count.
7529         (Layout::linkonce_output_name): Remove.
7530         (Layout::output_section_name): Rewrite.
7531         * layout.h (class Layout): Rename Linkonce_mapping to
7532         Section_name_mapping, linkonce_mapping to section_name_mapping,
7533         linkonce_mapping_count to section_name_mapping_count.  Don't
7534         declare linkonce_output_name.
7535
7536 2009-06-03  Doug Kwan  <dougkwan@google.com>
7537
7538         * gold/arm.cc (namespace utils): New.
7539         (Target_arm::reloc_is_non_pic): Define new method.
7540         (class Arm_relocate_functions): New.
7541         (Target_arm::Relocate::relocate): Handle relocation types used by
7542         Android.
7543
7544 2009-06-03  Ian Lance Taylor  <iant@google.com>
7545
7546         * arm.cc (Target_arm::scan::global): Use || instead of |.
7547
7548 2009-06-02  Doug Kwan  <dougkwan@google.com>
7549
7550         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7551         issued_non_pic_error_.
7552         (class Target_arm::Scan): Declare new method check_non_pic.
7553         Define new method symbol_needs_plt_entry.
7554         Declare new data member issued_non_pic_error_.
7555         (class Target_arm::Relocate): Declare new method
7556         should_apply_static_reloc.
7557         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7558         (Target_arm::Scan::check_non_pic): Define new method.
7559         (Target_arm::Scan::local): Handle a small subset of reloc types used
7560         by Android.
7561         (Target_arm::Scan::local): Same.
7562         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7563
7564 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7565
7566         * incremental.cc (Incremental_inputs::report_command_line): Filter
7567         out --incremental-* options.
7568
7569 2009-05-29  Doug Kwan  <dougkwan@google.com>
7570
7571         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7572         template class.
7573         (class Target_arm): Update comment.
7574         (Target_arm::Target_arm): Initialize new data members GOT_,
7575         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7576         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7577         and Target_arm::rel_dyn_section.
7578         Declare new_enum Target_arm::Got_type.
7579         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7580         and DYNBSS_.
7581         Update commments for member do_dynsym_value.
7582         (Target_arm::got_size, Target_arm::plt_section,
7583         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7584         new methods inside class defintion.
7585         (Target_arm::got_section): Define new method.
7586         (Target_arm::rel_dyn_section): Same.
7587         (Output_data_plt_arm): New template class.
7588         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7589         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7590         (Output_data_plt_arm::add_entry): Same.
7591         (Output_data_plt_arm::first_plt_entry): Define new
7592         static data member for PLT instruction template.
7593         (Output_data_plt_arm::plt_entry): Same.
7594         (Output_data_plt_arm::do_write): Define new method.
7595         (Target_arm::make_plt_entry): Same.
7596         (Target_arm::do_finalize_sections): Same.
7597         (Target_arm::do_dynsym_value): Same.
7598
7599 2009-05-28  Doug Kwan  <dougkwan@google.com>
7600
7601         * Makefile.am (TARGETSOURCES): Add arm.cc.
7602         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7603         * Makefile.in: Regenerate.
7604         * arm.cc: New file.
7605         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7606
7607 2009-05-26  Doug Kwan  <dougkwan@google.com>
7608
7609         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7610         (General_options::check_excluded_libs): Strip off directories in
7611         archive name before matching like GNU ld does.
7612         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7613         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7614         (exclude_libs_test_LDFLAGS): Add linker option
7615         -Wl,--exclude-libs,libexclude_libs_test_3
7616         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7617         an explicit archive without using -l.
7618         (alt/libexclude_libs_test_3.a): New make rule.
7619         * testsuite/Makefile.in: Regenerate.
7620         * testsuite/exclude_libs_test.c : Declare lib3_default().
7621         (main): Call it.
7622         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7623         * exclude_libs_test_3.c: New file.
7624
7625 2009-05-26  Nick Clifton  <nickc@redhat.com>
7626
7627         * po/id.po: New Indonesian translation.
7628         * po/gold.pot: Updated template file.
7629
7630 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7631
7632         * testsuite/Makefile.am: Add -ffunction-sections to compile
7633         gc_comdat_test files.  Add -Wl,--gc-sections to build
7634         gc_comdat_test.
7635         * testsuite/Makefile.in: Regenerate.
7636         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7637
7638 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7639
7640         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7641         kept comdat section was garbage collected.
7642         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7643         * testsuite/Makefile.in: Regenerate.
7644         * testsuite/gc_comdat_test.sh: New file.
7645         * testsuite/gc_comdat_test_1.cc: New file.
7646         * testsuite/gc_comdat_test_2.cc: New file.
7647
7648 2009-05-19  Doug Kwan  <dougkwan@google.com>
7649
7650         * archive.cc (Archive::Archive): Move constructor from archive.h
7651         to here.  Initialize no_export_.
7652         (Archive::get_elf_object_for_member): Set no_export flag of object.
7653         * archive.h (Archive::Archive): Move constructor body to
7654         archive.cc.
7655         (Archive::no_export): New method.
7656         (Archive::no_export_): New field.
7657         * object.h (Object::Object): Initialize no_export_ to false.
7658         (Object::no_export, Object::set_no_export): New methods.
7659         (Object::no_export_): New field.
7660         * options.cc (General_options::parse_exclude_libs): New method.
7661         (General_options::check_excluded_libs) Same.
7662         * options.h (exclude_libs): New option.
7663         (General_options::check_excluded_libs): New method declaration.
7664         (General_options::excluded_libs_): New field.
7665         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7666         default or protected visibility if an object has no-export flag set.
7667         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7668         (check_SCRIPTS): Add exclude_libs_test.sh.
7669         (check_DATA): Add exclude_libs_test.syms.
7670         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7671         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7672         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7673         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7674         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7675         libexclude_libs_test_2.a): New rules.
7676         * testsuite/Makefile.in: Regenerate.
7677         * testsuite/exclude_libs_test.c: New file.
7678         * testsuite/exclude_libs_test.sh: Ditto.
7679         * testsuite/exclude_libs_test_1.c: Ditto.
7680         * testsuite/exclude_libs_test_2.c: Ditto.
7681
7682 2009-05-15  Ian Lance Taylor  <iant@google.com>
7683
7684         * configure.ac: Check for declarations for cases where libiberty.h
7685         checks HAVE_DECL_xxx.
7686         * configure, config.in: Rebuild.
7687
7688 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7689
7690         * gold.h (Incremental_argument_list): Remove (invalid) forward
7691         declaration.
7692         * incremental.cc (Incremental_inputs::report_achive): New method.
7693         (Incremental_inputs::report_object): New method.
7694         (Incremental_inputs::report_script): New method.
7695         (Incremental_inputs::finalize_inputs): New method.
7696         (Incremental_inputs::finalize): Call finalize_inputs().
7697         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7698         Create inputs entries.
7699         * incremental.h (Incremental_input_type): New enum.
7700         (Incremental_inputs::Incremental_input): Initialize new fields.
7701         (Incremental_inputs::report_inputs): New method.
7702         (Incremental_inputs::report_achive): New method.
7703         (Incremental_inputs::report_object): New method.
7704         (Incremental_inputs::report_script): New method.
7705         (Incremental_inputs::finalize_inputs): New method.
7706         (Incremental_inputs::Input_info): New struct.
7707         (Incremental_inputs::Input_info_map): New typedef.
7708         (Incremental_inputs::lock_): New field.
7709         (Incremental_inputs::Inputs_): New field.
7710         (Incremental_inputs::Inputs_map): New field.
7711         * main.cc (main): Call Incremental_input::report_inputs.
7712         * options.h (Input_argument_list): Typedef moved from
7713         Input_arguments.
7714         (Input_file_group::Files): Remove, use ::Input_argument_list.
7715         (Input_file_group::Input_argument_list): Remove, use
7716         ::Input_argument_list.
7717         * plugin.cc (Plugin_manager::add_input_file): Add error in
7718         incremental build.
7719         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7720         functions.
7721         * script.cc (read_input_script): Call
7722         Incremental_input::report_script.
7723         * script.h (Script_info): New class.
7724
7725 2009-04-27  Ian Lance Taylor  <iant@google.com>
7726
7727         * x86_64.cc (do_adjust_output_section): Set entsize to
7728         plt_entry_size.
7729
7730 2009-04-23  Elliott Hughes  <enh@google.com>
7731
7732         * output.cc (Output_file::close): After short writes, continue
7733         writing from the correct offset in the buffer being written.
7734
7735 2009-04-23  Chris Demetriou  <cgd@google.com>
7736
7737         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
7738         * configure: Regenerate.
7739         * config.in: Regenerate.
7740         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
7741         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
7742
7743 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
7744
7745         * incremental.cc (Incremental_inputs_header_data): Renamed from
7746         Incremental_input_header_data.
7747         (Incremental_inputs_header_data::data_size): New field.
7748         (Incremental_inputs_header_data::put_input_file_count): Renamed
7749         from input_file_count.
7750         (Incremental_inputs_header_data::put_command_line_offset): Renamed
7751         from command_line_offset.
7752         (Incremental_inputs_header_data::put_reserved): Renamed from
7753         put_reserved.
7754         (Incremental_inputs_entry_data): Renamed from
7755         Incremental_input_entry_data.
7756         (Incremental_inputs_entry_data::data_size): New field.
7757         (Incremental_inputs::report_command_line): New method.
7758         (Incremental_inputs::finalize): New method.
7759         (Incremental_inputs::create_incremental_inputs_data): New method.
7760         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
7761         * incremental.h: New file.
7762         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
7763        (Layout::finalize): Create incremental inputs section in
7764         incremental builds.
7765        (Layout::create_incremental_info_sections): New method.
7766         * layout.h (Layout::incremental_inputs): New method.
7767        (Layout::create_incremental_info_sections): New method.
7768        (Layout::incremental_inputs_): New field.
7769         * main.cc (main): Notify Incremental_input of the command line.
7770
7771 2009-04-01  Ian Lance Taylor  <iant@google.com>
7772             Mikolaj Zalewski  <mikolajz@google.com>
7773
7774         * gold.h (reserve_unordered_map): Define, three versions, one for
7775         each version of Unordered_map.
7776         * layout.cc (Layout::Layout): Remove options parameter.  Add
7777         number_of_input_files parameter.  Don't initialize options_.
7778         Initialize number_of_input_files_ and resized_signatures_.  Move
7779         sections_are_attached_.
7780         (Layout::layout_group): Reserve space for group_signatures_.
7781         (Layout::find_or_add_kept_section): Change name parameter to be a
7782         reference.  Resize signatures_ map when it gets large enough.
7783         (Layout::layout_eh_frame): Use parameters->options() instead of
7784         this->options_.
7785         (Layout::make_output_section): Likewise.
7786         (Layout::attach_allocated_section_to_segment): Likewise.
7787         (Layout::finalize, Layout::create_executable_stack): Likewise.
7788         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
7789         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
7790         * layout.h (class Layout): Update declarations.  Remove options_
7791         field.  Add number_of_input_files_ and resized_signatures_
7792         fields.  Move sections_are_attached_ field.
7793         * main.cc (main): Pass number of input files to Layout
7794         constructor.  Don't pass options.
7795
7796 2009-03-30  Ian Lance Taylor  <iant@google.com>
7797
7798         * ffsll.c (ffsll): Correct implementation.
7799
7800 2009-03-27  Ian Lance Taylor  <iant@google.com>
7801
7802         * ffsll.c: New file.
7803         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
7804         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
7805         * ftruncate.c (ftruncate): Declare before definition.
7806         * mremap.c (mremap): Likewise.
7807         * pread.c (pread): Likewise.
7808         * configure, Makefile.in, config.in: Rebuild.
7809
7810         * mremap.c: New file.
7811         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
7812         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
7813         (mremap): Declare if HAVE_MREMAP is not defined.
7814         * configure, Makefile.in, config.in: Rebuild.
7815
7816 2009-03-27  Cary Coutant  <ccoutant@google.com>
7817
7818         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
7819         position independent.
7820         * sparc.cc (Target_sparc::check_non_pic): Likewise.
7821         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
7822
7823 2009-03-24  Cary Coutant  <ccoutant@google.com>
7824
7825         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
7826         an executable.
7827         (needs_dynamic_reloc): Likewise.
7828
7829 2009-03-24  Ian Lance Taylor  <iant@google.com>
7830
7831         * yyscript.y (file_cmd): Recognize EXTERN.
7832         (extern_name_list, extern_name_list_body): New nonterminals.
7833         * script.cc (script_add_extern): Define.
7834         * script-c.h (script_add_extern): Declare.
7835
7836 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
7837
7838         * object.cc (is_elf_object): Define.
7839         * object.h (is_elf_object): Declare.
7840         * archive.cc (Archive::get_elf_object_for_member): Call
7841         is_elf_object.
7842         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
7843
7844 2009-03-24  Elliott Hughes  <enh@google.com>
7845
7846         * output.cc (Output_file::map_anonymous): Define.
7847         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
7848         try an anonymous one.  Report the size if the mmap fails.
7849         * output.h (class Output_file): Declare map_anonymous.
7850
7851 2009-03-24  Ian Lance Taylor  <iant@google.com>
7852
7853         * target-select.cc (instantiate_target): Don't acquire the lock if
7854         the instantiated_target_ field has already been set.
7855
7856 2009-03-23  Ian Lance Taylor  <iant@google.com>
7857
7858         * gold-threads.h (class Initialize_lock): Define.
7859         * gold-threads.cc (class Initialize_lock_once): Define.
7860         (initialize_lock_control): New static variable.
7861         (initialize_lock_pointer): New static variable.
7862         (initialize_lock_once): New static function.
7863         (Initialize_lock::Initialize_lock): Define.
7864         (Initialize_lock::initialize): Define.
7865         * target-select.h: Include "gold-threads.h".
7866         (class Target_selector): Add lock_ and initialize_lock_ fields.
7867         Don't define instantiate_target, just declare it.
7868         * target-select.cc (Target_selector::Target_selector): Initialize
7869         new fields.
7870         (Target_selector::instantiate_target): Define.
7871         * descriptors.h: Include "gold-threads.h".
7872         (class Descriptors): Add initialize_lock_ field.
7873         * descriptors.cc (Descriptors::Descriptors): Initialize new
7874         field.
7875         (Descriptors::open): Use initialize_lock_ field
7876         * errors.h (class Errors): Add initialize_lock_ field.
7877         * errors.cc (Errors::Errors): Initialize new field.
7878         (Errors::initialize_lock): Use initialize_lock_ field.
7879         * powerpc.cc (class Target_selector_powerpc): Remove
7880         instantiated_target_ field.  In do_recognize call
7881         instantiate_target rather than do_instantiate_target.  In
7882         do_instantiate_target just allocate a new target.
7883         * sparc.cc (class Target_selector_sparc): Likewise.
7884
7885         * freebsd.h: New file.
7886         * i386.cc: Include "freebsd.h".
7887         (Target_i386): Derive from Target_freebsd rather than
7888         Sized_target.
7889         (Target_selector_i386): Derive from Target_selector_freebsd rather
7890         than Target_selector.
7891         * x86_64.cc: Include "freebsd.h".
7892         (Target_x86_64): Derive from Target_freebsd rather than
7893         Sized_target.
7894         (Target_selector_x86_64): Derive from Target_selector_freebsd
7895         rather than Target_selector.
7896         * target.h (class Target): Add adjust_elf_header and
7897         do_adjust_elf_header.
7898         * output.cc (Output_file_header:: do_sized_write): Call target
7899         adjust_elf_header routine.
7900         * configure.tgt: Set targ_osabi.
7901         * configure.ac: Define GOLD_DEFAULT_OSABI.
7902         * parameters.cc (Parameters::default_target): Pass
7903         GOLD_DEFAULT_OSABI to select_target.
7904         * target-select.h (class Target_selector): Make instantiate_target
7905         protected rather than private.
7906         * Makefile.am (HFILES): Add freebsd.h.
7907         * configure, Makefile.in, config.in: Rebuild.
7908
7909         * merge.cc (do_add_input_section): Correct pend value.  Change
7910         message about last entry not being null terminated from error to
7911         warning.
7912
7913 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
7914
7915         * incremental.cc: New file.
7916         * Makefile.am (CCFILES): Add incremental.cc.
7917         * Makefile.in: Rebuild.
7918
7919 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
7920
7921         * layout.cc (Layout::output_section_name): Preserve names
7922         of '.note.' sections.
7923
7924 2009-03-19  Ian Lance Taylor  <iant@google.com>
7925
7926         * descriptors.cc (Descriptors::open): Check that the options are
7927         valid before using them.
7928
7929 2009-03-18  Ian Lance Taylor  <iant@google.com>
7930
7931         * script-sections.h: Include <list>.
7932         (class Script_sections): Change Sections_elements from std::vector
7933         to std::list.  Typedef public Elements_iterator.  Add
7934         orphan_section_placement_, data_segment_align_start_, and
7935         saw_data_segment_align_ fields.  Remove data_segment_align_index_
7936         field.
7937         * script-sections.cc (class Orphan_section_placement): New class.
7938         (class Sections_element): Add virtual functions is_relro and
7939         orphan_section_init.  Remove virtual function place_orphan_here.
7940         (class Output_section_definition): Add is_relro and
7941         orphan_section_init.  Remove place_orphan_here.
7942         (class Orphan_output_section): Likewise.
7943         (Script_sections::Script_sections): Update for field changes.
7944         (Script_sections::data_segment_align): Set saw_data_segment_align_
7945         and data_segment_align_start_, not data_segment_align_index.
7946         (Script_sections::data_segment_relro_end): Check
7947         saw_data_segment_align_.  Use data_segment_align_start_ rather
7948         than data_segment_align_index_.
7949         (Script_sections::place_orphan): Rewrite to use
7950         Orphan_section_placement.
7951
7952 2009-03-17  Ian Lance Taylor  <iant@google.com>
7953
7954         * archive.cc (Archive::add_symbols): Check for a version attached
7955         to the symbol name in the archive map.
7956         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
7957         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
7958         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
7959         (ver_test_11.a): New target.
7960         * testsuite/Makefile.in: Rebuild.
7961
7962         * configure.ac: Check for chsize and posix_fallocate.  Replace
7963         ftruncate.
7964         * ftruncate.c: New file, from gnulib.
7965         * output.cc (posix_fallocate): Define dummy version if not
7966         HAVE_POSIX_FALLOCATE.
7967         (Output_file::map): Call posix_fallocate rather than lseek and
7968         write.
7969         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
7970         * configure, Makefile.in, config.in: Rebuild.
7971
7972 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
7973
7974         * layout.h (Layout::create_note): Add section_name parameter.
7975         * layout.cc (Layout::create_note): Likewise.
7976         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
7977
7978 2009-03-17  Ian Lance Taylor  <iant@google.com>
7979
7980         * descriptors.cc: Include "options.h".
7981         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
7982         (Descriptors::open): Always use O_CLOEXEC when opening a new
7983         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
7984         then set FD_CLOEXEC.
7985
7986         * sparc.cc (class Target_sparc): Add has_got_section.
7987         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
7988         make sure we have a GOT section.
7989
7990         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
7991         (Target_sparc::Scan::local): Likewise.
7992         (Target_sparc::Scan::global): Likewise.
7993         (Target_sparc::Relocate::relocate): Likewise.
7994         (Target_sparc::Relocate::relocate_tls): Likewise.
7995
7996         * symtab.cc (Symbol_table::define_default_version): New function,
7997         broken out of add_from_object.
7998         (Symbol_table::add_from_object): Call define_default_version.
7999         (Symbol_table::define_special_symbol): Add resolve_oldsym
8000         parameter.  Change all callers.  If the version for a symbol comes
8001         from a version script, resolve it with the symbol with the same
8002         name with no version.  Also add the symbol without a version if
8003         appropriate.
8004         (do_define_in_output_data): If resolving with oldsym, don't delete
8005         sym.
8006         (do_define_in_output_segment): Likewise.
8007         (do_define_as_constant): Likewise.
8008         * symtab.h (class Symbol_table): Update declarations.
8009
8010 2009-03-13  Ian Lance Taylor  <iant@google.com>
8011
8012         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8013         (Read_symbols::requeue): New function.
8014         (Read_symbols::do_read_symbols): If make_elf_object fails because
8015         the target type is not configured, and the file was searched for,
8016         issue a warning and retry with the next directory.
8017         (Add_symbols::run): If the file has an incompatible format, and
8018         it was searched for, requeue the Read_symbols task.  On error,
8019         release the object.
8020         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8021         dirindex parameter to constructor.  Change all callers.  Declare
8022         incompatible_warning and requeue.
8023         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8024         input_argument_ and input_group_ fields.  Add them to
8025         constructor.  Change all callers.
8026         (class Read_script): Add dirindex_ field.  Add it to constructor.
8027         Change all callers.
8028         * archive.cc (Archive::setup): Remove input_objects parameter.
8029         Change all callers.
8030         (Archive::get_file_and_offset): Likewise.
8031         (Archive::read_all_symbols): Likewise.
8032         (Archive::read_symbols): Likewise.
8033         (Archive::get_elf_object_for_member): Remove input_objects
8034         parameter.  Add punconfigured parameter.  Change all callers.
8035         (Archive::add_symbols): Change return type to bool.  Check return
8036         value of include_member.
8037         (Archive::include_all_members): Likewise.
8038         (Archive::include_member): Change return type to bool.  Return
8039         false if first included object has incompatible target.  Set
8040         included_member_ field.
8041         (Add_archive_symbols::run): If add_symbols returns false, requeue
8042         Read_symbols task.
8043         * archive.h (class Archive): Add included_member_ field.
8044         Initialize it in constructor.  Add input_file and searched_for
8045         methods.  Update declarations.
8046         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8047         input_argument_ fields.  Add them to constructor.  Change all
8048         callers.
8049         * script.cc: Include "target-select.h".
8050         (class Parser_closure): Add skip_on_incompatible_target_ and
8051         found_incompatible_target_ fields.  Add
8052         skip_on_incompatible_target parameter to constructor.  Change all
8053         callers.  Add methods skip_on_incompatible_target,
8054         clear_skip_on_incompatible_target, found_incompatible_target, and
8055         set_found_incompatible_target.
8056         (read_input_script): Add dirindex parameter.  Change all callers.
8057         If parser finds an incompatible target, requeue Read_symbols
8058         task.
8059         (script_set_symbol): Clear skip_on_incompatible_target in
8060         closure.
8061         (script_add_assertion, script_parse_option): Likewise.
8062         (script_start_sections, script_add_phdr): Likewise.
8063         (script_check_output_format): New function.
8064         * script.h (read_input_script): Update declaration.
8065         * script-c.h (script_check_output_format): Declare.
8066         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8067         (ignore_cmd): Remove OUTPUT_FORMAT.
8068         * fileread.cc (Input_file::Input_file): Add explicit this.
8069         (Input_file::will_search_for): New function.
8070         (Input_file::open): Add pindex parameter.  Change all callers.
8071         * fileread.h (class Input_file): Add input_file_argument method.
8072         Declare will_search_for.  Update declarations.
8073         * object.cc (make_elf_object): Add punconfigured parameter.
8074         Change all callers.
8075         * object.h (class Object): Make input_file public.  Add
8076         searched_for method.
8077         (make_elf_object): Update declaration.
8078         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8079         restart search.
8080         * dirsearch.h (class Dirsearch): Update declaration.
8081         * options.h (class General_options): Add --warn-search-mismatch.
8082         * parameters.cc (Parameters::is_compatible_target): New function.
8083         * parameters.h (class Parameters): Declare is_compatible_target.
8084         * workqueue.cc (Workqueue::add_blocker): New function.
8085         * workqueue.h (class Workqueue): Declare add_blocker.
8086
8087         * fileread.cc (Input_file::open): Remove options parameter.
8088         Change all callers.
8089         (Input_file::open_binary): Likewise.
8090         * script.cc (read_input_script): Likewise.
8091         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8092         options parameter from constructor.  Change all callers.
8093         (class Read_script): Likewise.
8094         * fileread.h (class Input_file): Update declarations.
8095         * script.h (read_input_script): Update declaration.
8096
8097 2009-03-10  Nick Clifton  <nickc@redhat.com>
8098
8099         * po/es.po: New Spanish translation.
8100
8101 2009-03-06  Cary Coutant  <ccoutant@google.com>
8102
8103         * options.cc (parse_short_option): Keep dash_z from registering itself.
8104
8105 2009-03-03  Ian Lance Taylor  <iant@google.com>
8106
8107         PR 9918
8108         * target-reloc.h (relocate_section): Pass output_section to
8109         relocate.
8110         * i386.cc (Target_i386::should_apply_static_reloc): Add
8111         output_section parameter.  Change all callers.
8112         (Target_i386::Relocate::relocate): Add output_section parameter.
8113         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8114         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8115         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8116         * testsuite/two_file_shared.sh: New script.
8117         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8118         (check_DATA): Add two_file_shared.dbg.
8119         (two_file_shared.dbg): New target.
8120         * testsuite/Makefile.in: Rebuild.
8121
8122 2009-03-01  Ian Lance Taylor  <iant@google.com>
8123
8124         * configure.ac: Check for byteswap.h.
8125         * configure: Rebuild.
8126         * config.in: Rebuild.
8127
8128 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8129
8130         * layout.cc (Layout::find_or_add_kept_section): New function.
8131         (Layout::add_comdat): Removed.
8132         * layout.h (struct Kept_section): Move out of class Layout.
8133         Remove trailing underscores from field names.  Add group_sections
8134         field.  Rename group_ field to is_group.  Change all uses.
8135         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8136         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8137         comdat_groups_ field.
8138         (Sized_relobj::include_section_group): Use
8139         find_or_add_kept_section and Kept_section::group_sections.
8140         (Sized_relobj::include_linkonce_section): Likewise.
8141         * object.cc (class Sized_relobj): Don't define Comdat_group or
8142         Comdat_group_table.  Remove find_comdat_group and
8143         add_comdat_group.  Remove comdat_groups_ field.
8144         * plugin.cc (include_comdat_group): Use
8145         Layout::find_or_add_kept_section.
8146
8147 2009-02-28  Ian Lance Taylor  <iant@google.com>
8148
8149         * README: --gc-sections and map files are now supported.  Document
8150         some build requirements.
8151
8152         PR 6992
8153         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8154         relocatable link set the value of the section symbol to zero.
8155         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8156         relocatable link don't include the section address in the local
8157         symbol value.
8158
8159 2009-02-27  Ian Lance Taylor  <iant@google.com>
8160
8161         PR 6811
8162         * options.h (class Search_directory): Add is_system_directory.
8163         (class General_options): Declare is_in_system_directory.
8164         * options.cc (get_relative_sysroot): Make static.
8165         (get_default_sysroot): Make static.
8166         (General_optoins::is_in_system_directory): New function.
8167         * fileread.cc (Input_file::is_in_system_directory): New function.
8168         * fileread.h (class Input_file): Declare is_in_system_directory.
8169         * object.h (class Object): Add is_in_system_directory.
8170         (class Input_objects): Remove system_library_directory_ field.
8171         * object.cc (Input_objects::add_object): Don't set
8172         system_library_directory_.
8173         (input_objects::found_in_system_library_directory): Remove.
8174         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8175         parameter.  Change all callers.
8176         (Symbol_table::sized_write_globals): Likewise.
8177         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8178         Call Object::is_in_system_directory.
8179         * symtab.h (class Symbol_table): Update declarations.
8180
8181         PR 5990
8182         * descriptors.h (Open_descriptor): Add is_on_stack field.
8183         * descriptors.cc (Descriptors::open): If the descriptor is on the
8184         top of the stack, remove it.  Initialize is_on_stack field.
8185         (Descriptors::release): Only add pod to stack if it is not on the
8186         stack already.
8187         (Descriptors::close_some_descriptor): Clear stack_next and
8188         is_on_stack fields.
8189
8190         PR 7091
8191         * output.cc (Output_section::find_starting_output_address): Rename
8192         from starting_output_address; add PADDR parameter; change return
8193         type.
8194         * output.h (class Output_section): Declare
8195         find_starting_output_address instead of starting_output_address.
8196         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8197         section symbol for which we can't find a merge section.
8198
8199         PR 9836
8200         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8201         hidden or internal, force the symbol to be local.
8202         * resolve.cc (Symbol::override_visibility): Define.
8203         (Symbol::override_base): Use override_visibility.
8204         (Symbol_table::resolve): Likewise.
8205         (Symbol::override_base_with_special): Likewise.
8206         (Symbol_table::override_with_special): If the visibility is hidden
8207         or internal, force the symbol to be local.
8208         * symtab.h (class Symbol): Add set_visibility and
8209         override_visibility.
8210         * testsuite/ver_test_1.sh: New file.
8211         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8212         (check_DATA): Add ver_test_1.syms.
8213         (ver_test_1.syms): New target.
8214         * testsuite/Makefile.in: Rebuild.
8215
8216 2009-02-25  Cary Coutant  <ccoutant@google.com>
8217
8218         * layout.cc (Layout::choose_output_section): Don't rename sections
8219         when using a linker script that has a SECTIONS clause.
8220         * Makefile.in: Regenerate.
8221
8222         * testsuite/Makefile.am (script_test_5.sh): New test case.
8223         * testsuite/Makefile.in: Regenerate.
8224         * testsuite/script_test_5.cc: New file.
8225         * testsuite/script_test_5.sh: New file.
8226         * testsuite/script_test_5.t: New file.
8227
8228 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8229
8230         * archive.cc (Archive::include_member): Update calls to add_symbols.
8231         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8232         the Layout argument.
8233         * dynobj.h (do_add_symbols): Add the Layout argument.
8234         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8235         Layout argument.
8236         * object.h (Object::add_symbols): Add the Layout argument.
8237         (Object::do_add_symbols): Add the Layout argument.
8238         (Sized_relobj::do_add_symbols): Add the Layout argument.
8239         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8240         Unify the two versions.
8241         (Add_plugin_symbols): Remove.
8242         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8243         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8244         (Add_plugin_symbols): Remove.
8245         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8246         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8247         (Add_symbols::run): Make it work with Pulginobj.
8248
8249 2009-02-06  Ian Lance Taylor  <iant@google.com>
8250
8251         * object.cc (Sized_relobj::do_layout): Make info message start
8252         with lower case letter.
8253
8254 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8255
8256         * binary.cc: Fix file comment.
8257
8258         * options.h (enum Incremental_disposition): Define.
8259         (class General_options): Add new options: --incremental,
8260         --incremental_changed, --incremental_unchanged,
8261         --incremental_unknown.  Add incremental_disposition_ and
8262         implicit_incremental_ fields.
8263         (General_options::incremental_disposition): New function.
8264         (class Position_dependent_options): Add incremental_disposition
8265         option.
8266         (Position_dependent_options::copy_from_options): Set incremental
8267         dispositions.
8268         * options.cc (General_options::parse_incremental_changed): New
8269         function.
8270         (General_options::parse_incremental_unchanged): New function.
8271         (General_options::parse_incremental_unknown): New function.
8272         (General_options::General_options): Initialize new fields
8273         incremental_disposition_ and implicit_incremental_.
8274         (General_options::finalize): Check for uasge of --incremental-*
8275         without --incremental.
8276
8277 2009-02-06  Chris Demetriou  <cgd@google.com>
8278
8279         * gold.h (gold_undefined_symbol): Change to take only a Symbol
8280         pointer and to report location as the file name associated with
8281         the symbol.
8282         (gold_undefined_symbol_at_location): New function to replace the
8283         old gold_undefined_symbol functionality.
8284         * target-reloc.h (relocate_section): Update to use
8285         gold_undefined_symbol_at_location.
8286         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8287         Call gold_undefined_symbol function rather than gold_error.
8288         * errors.h (Errors::undefined_symbol): Take location as a
8289         string, rather than calculating it from a relocation.
8290         * errors.cc (Errors::fatal): Print "fatal error:" before the
8291         formatted message.
8292         (Errors::error, Errors::error_at_location): Print "error: "
8293         before the formatted message.
8294         (Errors::undefined_symbol): Take location as a string, rather
8295         than calculating it from a relocation.
8296         (gold_undefined_symbol_at_location): New function akin to
8297         old gold_undefined_symbol, calculates location from relocation.
8298         (gold_undefined_symbol): Change to take only a Symbol pointer
8299         and to report location as the file name associated with the symbol.
8300         * testsuite/debug_msg.sh: Update for changed error messages.
8301         * testsuite/undef_symbol.sh: Likewise.
8302
8303 2009-02-04  Duncan Sands  <baldrick@free.fr>
8304
8305         PR 9812
8306         * reduced_debug_output.h
8307         (Output_reduced_debug_abbrev_section::failed): Use format for
8308         gold_warning.
8309         (Output_reduced_debug_info_section::faild): Likewise.
8310
8311 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
8312
8313         * script.cc (Lazy_demangler): New class.
8314         (Version_script_info::get_symbol_version_helper): Demangle a
8315         symbol only once.
8316
8317 2009-01-29  Cary Coutant  <ccoutant@google.com>
8318
8319         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
8320         to __tls_get_addr.
8321         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8322
8323 2009-01-28  Ian Lance Taylor  <iant@google.com>
8324
8325         * version.cc (version_string): Bump to 1.9.
8326
8327         * gold.h: Include <cstring> and <stdint.h>.
8328         * version.cc: Include <cstdio>.
8329         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
8330         warning.
8331         * reduced_debug_output.cc (insert_into_vector): Rename from
8332         Insert_into_vector; change all callers.  Use Swap_unaligned to
8333         avoid aliasing issue; remove union since it is unnecessary.
8334
8335 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
8336
8337         * Makefile.am (CCFILES): Add gc.cc.
8338         (HFILES): Add gc.h.
8339         * Makefile.in: Regenerate.
8340         * gold.cc (Gc_runner): New class.
8341         (queue_initial_tasks): Call garbage collection related tasks
8342         when corresponding options are invoked.
8343         (queue_middle_gc_tasks): New function.
8344         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
8345         processed early before laying out sections during garbage collection.
8346         * gold.h (queue_middle_gc_tasks): New function.
8347         (is_prefix_of): Move from "layout.cc".
8348         * i386.cc (Target_i386::gc_process_relocs): New function.
8349         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
8350         * main.cc (main): Create object of class "Garbage_collection".
8351         * object.cc (Relobj::copy_symbols_data): New function.
8352         (Relobj::is_section_name_included): New function.
8353         (Sized_relobj::do_layout): Allow this function to be called twice
8354         during garbage collection and defer layout of section during the
8355         first call.
8356         * object.h (Relobj::get_symbols_data): New function.
8357         (Relobj::is_section_name_included): New function.
8358         (Relobj::copy_symbols_data): New function.
8359         (Relobj::set_symbols_data): New function.
8360         (Relobj::get_relocs_data): New function.
8361         (Relobj::set_relocs_data): New function.
8362         (Relobj::is_output_section_offset_invalid): New pure virtual function.
8363         (Relobj::gc_process_relocs): New function.
8364         (Relobj::do_gc_process_relocs): New pure virtual function.
8365         (Relobj::sd_): New data member.
8366         (Sized_relobj::is_output_section_offset_invalid): New function.
8367         (Sized_relobj::do_gc_process_relocs): New function.
8368         * options.h (General_options::gc_sections): Modify to not be a no-op.
8369         (General_options::print_gc_sections): New option.
8370         * plugin.cc (Plugin_finish::run): Remove function call to
8371         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
8372         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
8373         * reloc.cc (Read_relocs::run): Add task to process relocs and
8374         determine unreferenced sections when doing garbage collection.
8375         (Gc_process_relocs): New class.
8376         (Sized_relobj::do_gc_process_relocs): New function.
8377         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
8378         sections that are garbage collected.
8379         * reloc.h (Gc_process_relocs): New class.
8380         * sparc.cc (Target_sparc::gc_process_relocs): New function.
8381         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
8382         symbols whose corresponding sections are garbage collected.
8383         (Symbol_table::Symbol_table): Add new parameter for the garbage
8384         collection object.
8385         (Symbol_table::gc_mark_undef_symbols): New function.
8386         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8387         (Symbol_table::gc_mark_dyn_syms): New function.
8388         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
8389         as garbage.
8390         (Symbol_table::add_from_object): Likewise.
8391         (Symbol_table::add_from_relobj): When building shared objects, do not
8392         treat externally visible symbols as garbage.
8393         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
8394         table information for static and relocatable links.
8395         * symtab.h (Symbol_table::set_gc): New function.
8396         (Symbol_table::gc): New function.
8397         (Symbol_table::gc_mark_undef_symbols): New function.
8398         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8399         (Symbol_table::gc_mark_dyn_syms): New function.
8400         (Symbol_table::gc_): New data member.
8401         * target.h (Sized_target::gc_process_relocs): New pure virtual
8402         function.
8403         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
8404         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
8405
8406 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
8407
8408         * options.h (General_options::gc_sections): Define as a no-op for now.
8409         (General_options::no_keep_memory): Ditto.
8410         (General_options::Bshareable): Define.
8411         * options.cc (General_options::finalize): Honor -Bshareable.
8412
8413 2009-01-20  Andreas Schwab  <schwab@suse.de>
8414
8415         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
8416         read the value in the contents, since we don't use it.  Use the
8417         template endianness when writing.
8418         (Relocate::relocate): Use it for R_PPC_REL16_HA.
8419
8420 2009-01-19  Andreas Schwab  <schwab@suse.de>
8421
8422         * configure.tgt (powerpc64-*): Fix targ_obj.
8423
8424 2009-01-15  Ian Lance Taylor  <iant@google.com>
8425
8426         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8427         local symbols when stripping all symbols.
8428
8429 2009-01-14  Cary Coutant  <ccoutant@google.com>
8430
8431         * output.cc (Output_reloc): Add explicit instantiations.
8432
8433 2009-01-14  Cary Coutant  <ccoutant@google.com>
8434
8435         * archive.cc (Archive::get_elf_object_for_member): Remove call
8436         to File_read::claim_for_plugin.
8437         * descriptors.cc (Descriptors::open): Remove reference to
8438         is_claimed.
8439         (Descriptors::claim_for_plugin): Remove.
8440         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8441         (Descriptors::is_claimed): Remove.
8442         (claim_descriptor_for_plugin): Remove.
8443         * fileread.cc (File_read::claim_for_plugin): Remove.
8444         * fileread.h (File_read::claim_for_plugin): Remove.
8445         (File_read::descriptor): Reopen descriptor if necessary.
8446         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8447         (Plugin_manager::all_symbols_read): Add task parameter. Change
8448         all callers.
8449         (Plugin_manager::get_input_file): New function.
8450         (Plugin_manager::release_input_file): New function.
8451         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8452         corresponding data member.
8453         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8454         and pass to base constructor. Change all callers.
8455         (get_input_file, release_input_file): New functions.
8456         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8457         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8458         (Plugin_manager::all_symbols_read): Add task parameter.
8459         (Plugin_manager::get_input_file): New function.
8460         (Plugin_manager::release_input_file): New function.
8461         (Plugin_manager::task_): New data member.
8462         (Pluginobj::Pluginobj): Add filesize parameter.
8463         (Pluginobj::filename): New function.
8464         (Pluginobj::descriptor): New function.
8465         (Pluginobj::filesize): New function.
8466         (Pluginobj::filesize_): New data member.
8467         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8468         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8469         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8470
8471         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8472         with archive libraries.
8473         * testsuite/Makefile.in: Regenerate.
8474         * testsuite/plugin_test.c (struct sym_info): New type.
8475         (get_input_file, release_input_file): New static variables.
8476         (onload): Capture new transfer vector entries.
8477         (claim_file_hook): Stop reading at end of file according to filesize.
8478         Factor out parsing of readelf output into separate function.
8479         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8480         APIs and get the source file name from the symbol table.  Convert
8481         source file name to corresponding object file name.  Print info
8482         message when adding new input files.
8483         (parse_readelf_line): New function.
8484         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8485         * testsuite/plugin_test_2.sh: Likewise.
8486         * testsuite/plugin_test_3.sh: Likewise.
8487         * testsuite/plugin_test_4.sh: New test case.
8488
8489 2009-01-07  Ian Lance Taylor  <iant@google.com>
8490
8491         * version.cc (version_string): Bump to 1.8.
8492
8493 2008-12-23  Cary Coutant  <ccoutant@google.com>
8494
8495         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8496         * plugin.cc (Plugin_manager::finish): Rename as
8497         layout_deferred_objects.  Move cleanup to separate function.
8498         (Plugin_manager::cleanup): New function.
8499         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8500         separately.
8501         * plugin.h (Plugin_manager::finish): Rename as
8502         layout_deferred_objects.
8503         (Plugin_manager::cleanup): New function.
8504         (Plugin_manager::cleanup_done): New field.
8505
8506 2008-12-23  Cary Coutant  <ccoutant@google.com>
8507
8508         * plugin.cc (is_visible_from_outside): New function.
8509         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8510         so we don't return "IR only" status for exported symbols or -r links.
8511
8512         * testsuite/Makefile.am (plugin_test_3): New test case.
8513         * testsuite/Makefile.in: Regenerate.
8514         * testsuite/plugin_test_3.sh: New file.
8515
8516 2008-12-22  Cary Coutant  <ccoutant@google.com>
8517
8518         * object.cc (Sized_relobj::layout_section): New function.
8519         (Sized_relobj::do_layout): Defer layout of input sections until after
8520         plugin has provided replacement files.
8521         (Sized_relobj::do_layout_deferred_sections): New function.
8522         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8523         (Relobj::layout_deferred_sections): New function.
8524         (Relobj::do_layout_deferred_sections): New function.
8525         (Sized_relobj::do_layout_deferred_sections): New function.
8526         (Sized_relobj::layout_section): New function.
8527         (Sized_relobj::Deferred_layout): New structure.
8528         (Sized_relobj::deferred_layout_): New field.
8529         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8530         Change all callers.  Layout deferred sections.
8531         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8532         references.
8533         (Plugin_hook::run): Move code from do_plugin_hook inline.
8534         (Plugin_hook::do_plugin_hook): Remove.
8535         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8536         (Plugin_manager::finish): Renamed, was cleanup.
8537         (Plugin_manager::should_defer_layout): New function.
8538         (Plugin_manager::add_deferred_layout_object): New function.
8539         (Plugin_manager::Deferred_layout_list): New type.
8540         (Plugin_manager::deferred_layout_objects_): New field.
8541         (Plugin_hook::do_plugin_hook): Remove.
8542
8543 2008-12-17  Ian Lance Taylor  <iant@google.com>
8544
8545         * options.h (class General_options): Add --no case for
8546         --export-dynamic.
8547
8548 2008-12-16  Cary Coutant  <ccoutant@google.com>
8549
8550         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8551         vector.
8552         (Plugin_manager::claim_file): Create plugin object even if
8553         plugin did not call the add_symbols callback.
8554         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8555         asking for more symbols than were added.
8556         * testsuite/Makefile.am (plugin_test_1): Add test case with
8557         no global symbols.
8558         (empty.syms): New target.
8559         * testsuite/Makefile.in: Regenerate.
8560         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8561         message. Don't call add_symbols if no globals.
8562         (all_symbols_read_hook): Don't provide replacement for empty
8563         claimed file.
8564
8565 2008-12-12  Ian Lance Taylor  <iant@google.com>
8566
8567         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8568         r_type == 0 for a local symbol with r_sym == 0.
8569         (scan_relocatable_relocs): Pass r_sym to
8570         local_non_section_strategy.
8571         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8572         r_sym parameter.
8573
8574         * configure.ac: Update test for TLS descriptors: they are
8575         supported as of glibc 2.9.
8576         * configure: Rebuild.
8577
8578 2008-12-11  Ian Lance Taylor  <iant@google.com>
8579
8580         PR 7091
8581         * target-reloc.h (Default_scan_relocatable_relocs): For each
8582         function, map r_type == 0 to RELOC_DISCARD.
8583
8584 2008-12-10  Cary Coutant  <ccoutant@google.com>
8585
8586         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8587         object to override a kept COMDAT group from a plugin object.
8588
8589 2008-12-09  Ian Lance Taylor  <iant@google.com>
8590
8591         PR 7088
8592         * yyscript.y (file_cmd): Handle INPUT.
8593
8594         * testsuite/initpri1.c: Change all declarations to be full
8595         prototypes by adding void, to avoid compiler warnings.
8596
8597 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8598
8599         * options.cc (General_options::parse_plugin_opt): New.
8600         (General_options::add_plugin): The argument now is just the filename.
8601         (General_options::add_plugin_option): New.
8602         * options.h (plugin_opt): New.
8603         (add_plugin): Change argument name.
8604         (add_plugin_option): New.
8605         * plugin.cc (Plugin::load): Don't parse the plugin option.
8606         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8607         (Plugin::add_option): New.
8608         (Plugin::args_): Change type.
8609         (Plugin::filename_): New.
8610         (Plugin_manager::add_plugin_option): New.
8611         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8612         * testsuite/Makefile.in: Regenerate.
8613
8614 2008-12-05  Cary Coutant  <ccoutant@google.com>
8615
8616         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8617         Handle --strip-lto-sections option.
8618         * options.h (strip_lto_sections): New option.
8619
8620 2008-12-01  Cary Coutant  <ccoutant@google.com>
8621
8622         * plugin.cc (ld_plugin_message): Change format parameter to const.
8623         Fix mismatch between new[] and delete.
8624
8625 2008-11-14  Cary Coutant  <ccoutant@google.com>
8626
8627         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8628         instead of -1U.
8629
8630 2008-11-05  Craig Silverstein  <csilvers@google.com>
8631
8632         * options.cc (General_options::parse_dynamic_list): New function.
8633         * options.h (General_options): New flags dynamic_list,
8634         dynamic_list_data, dynamic_list_cpp_new, and
8635         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8636         (General_options::in_dynamic_list): New function.
8637         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8638         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8639         (Lex::can_continue_name): Likewise.
8640         (yylex): Likewise.
8641         (read_script_file): New parameter script_options.
8642         (read_dynamic_list): New function.
8643         (Script_options::define_dynamic_list): New function.
8644         (dynamic_list_keyword_parsecodes): New variable.
8645         (dynamic_list_keywords): New variable.
8646         * script.h (Script_options::define_dynamic_list): New function
8647         prototype.
8648         (read_dynamic_list): New function prototype.
8649         * symtab.cc (strprefix): New macro.
8650         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8651         dynamic_list_data, dynamic_list_cpp_new, and
8652         dynamic_list_cpp_typeinfo.
8653         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8654         (dynamic_list_expr): New rule.
8655         (dynamic_list_nodes): Likewise.
8656         (dynamic_list_node): Likewise.
8657         * testsuite/Makefile.am (dynamic_list): New test.
8658         * testsuite/Makefile.in: Regenerated.
8659         * testsuite/dynamic_list.t: New file.
8660         * testsuite/dynamic_list.sh: New file.
8661
8662 2008-11-05  Craig Silverstein  <csilvers@google.com>
8663
8664         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8665         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8666         (t11_last): Likewise.
8667         * testsuite/ver_test_6.c (main): Likewise.
8668
8669 2008-10-07  Cary Coutant  <ccoutant@google.com>
8670
8671         * options.c (General_options::finalize): Add check for -static and
8672         -shared.
8673         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8674         is not empty.
8675
8676 2008-10-02  Cary Coutant  <ccoutant@google.com>
8677
8678         * plugin.cc (make_sized_plugin_object): Fix conditional
8679         compilation to work when not all targets are enabled.
8680
8681 2008-09-29  Cary Coutant  <ccoutant@google.com>
8682
8683         * archive.cc (Archive::get_file_and_offset): Use filename instead
8684         of name to get library path.
8685         (Archive::include_member): Unlock external member of a thin archive.
8686
8687         * testsuite/Makefile.am (TEST_AR): New variable.
8688         (thin_archive_test_1): New test.
8689         (thin_archive_test_2): New test.
8690         * testsuite/Makefile.in: Regenerate.
8691         * testsuite/thin_archive_main.cc: New file.
8692         * testsuite/thin_archive_test_1.cc: New file.
8693         * testsuite/thin_archive_test_2.cc: New file.
8694         * testsuite/thin_archive_test_3.cc: New file.
8695         * testsuite/thin_archive_test_4.cc: New file.
8696
8697 2008-09-29  Cary Coutant  <ccoutant@google.com>
8698
8699         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8700         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8701         instead of -1U.
8702         (Sized_relobj::do_finalize_local_symbols): Likewise.
8703         (Sized_relobj::map_to_kept_section): Likewise.
8704         * object.h (Sized_relobj::invalid_address): New constant.
8705         (Sized_relobj::do_output_section_offset): Check for invalid_address
8706         and return -1ULL.
8707         * output.cc (Output_reloc::local_section_offset): Use constant
8708         invalid_address instead of -1U.
8709         (Output_reloc::get_address): Likewise.
8710         (Output_section::output_address): Change -1U to -1ULL.
8711         * output.h (Output_reloc::invalid_address): New constant.
8712         * reloc.cc (Sized_relobj::write_sections): Use constant
8713         invalid_address instead of -1U.
8714         (Sized_relobj::relocate_sections): Likewise.
8715         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8716         values for merge sections.
8717         * target-reloc.h (relocate_for_relocatable): Use constant
8718         invalid_address instead of -1U.
8719
8720 2008-09-19  Cary Coutant  <ccoutant@google.com>
8721
8722         Add plugin functionality for link-time optimization (LTO).
8723         * configure.ac (plugins): Add --enable-plugins option.
8724         * configure: Regenerate.
8725         * config.in: Regenerate.
8726         * Makefile.am (LIBDL): New variable.
8727         (CCFILES): Add plugin.cc.
8728         (HFILES): Add plugin.h.
8729         (ldadd_var): Add LIBDL.
8730         * Makefile.in: Regenerate.
8731
8732         * archive.cc: Include "plugin.h".
8733         (Archive::setup): Don't preread archive symbols when using a plugin.
8734         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
8735         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
8736         files.
8737         (Archive::include_member): Add symbols from plugin objects.
8738         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
8739         * descriptors.cc (Descriptors::open): Check for file descriptors
8740         abandoned by plugins.
8741         (Descriptors::claim_for_plugin): New function.
8742         * descriptors.h (Descriptors::claim_for_plugin): New function.
8743         (Open_descriptor::is_claimed): New field.
8744         (claim_descriptor_for_plugin): New function.
8745         * fileread.cc (File_read::claim_for_plugin): New function.
8746         * fileread.h (File_read::claim_for_plugin): New function.
8747         (File_read::descriptor): New function.
8748         * gold.cc: Include "plugin.h".
8749         (queue_initial_tasks): Add task to call plugin hooks for generating
8750         new object files.
8751         * main.cc: Include "plugin.h".
8752         (main): Load plugin libraries.
8753         * object.h (Pluginobj): Declare.
8754         (Object::pluginobj): New function.
8755         (Object::do_pluginobj): New function.
8756         (Object::set_target): New function.
8757         * options.cc: Include "plugin.h".
8758         (General_options::parse_plugin): New function.
8759         (General_options::General_options): Initialize plugins_ field.
8760         (General_options::add_plugin): New function.
8761         * options.h (Plugin_manager): Declare.
8762         (General_options): Add --plugin option.
8763         (General_options::has_plugins): New function.
8764         (General_options::plugins): New function.
8765         (General_options::add_plugin): New function.
8766         (General_options::plugins_): New field.
8767         * plugin.cc: New file.
8768         * plugin.h: New file.
8769         * readsyms.cc: Include "plugin.h".
8770         (Read_symbols::do_read_symbols): Check for archive before checking
8771         for ELF file.  Call plugin hooks to claim files.
8772         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
8773         from a real object file; force override when processing replacement
8774         files.
8775         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
8776         (Symbol::init_base_object): Likewise.
8777         (Symbol::init_base_output_data): Likewise.
8778         (Symbol::init_base_output_segment): Likewise.
8779         (Symbol::init_base_constant): Likewise.
8780         (Symbol::init_base_undefined): Likewise.
8781         (Symbol::output_section): Assert that object is not a plugin.
8782         (Symbol_table::add_from_pluginobj): New function.
8783         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
8784         undefined.
8785         (Symbol_table::sized_write_globals): Likewise.
8786         (Symbol_table::add_from_pluginobj): Instantiate template.
8787         * symtab.h (Sized_pluginobj): Declare.
8788         (Symbol::in_real_elf): New function.
8789         (Symbol::set_in_real_elf): New function.
8790         (Symbol::in_real_elf_): New field.
8791         (Symbol_table::add_from_pluginobj): New function.
8792
8793         * testsuite/Makefile.am (AM_CFLAGS): New variable.
8794         (LIBDL): New variable.
8795         (LDADD): Add LIBDL.
8796         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
8797         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
8798         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
8799         (MOSTLYCLEANFILES): Likewise.
8800         * testsuite/Makefile.in: Regenerate.
8801         * testsuite/plugin_test.c: New file.
8802         * testsuite/plugin_test_1.sh: New file.
8803         * testsuite/plugin_test_2.sh: New file.
8804
8805 2008-09-16  Ian Lance Taylor  <iant@google.com>
8806
8807         * target-reloc.h (relocate_section): Check whether a symbol is
8808         defined by the ABI before reporting an undefined symbol error.
8809         * target.h (Target::is_defined_by_abi): Make parameter const.
8810         (Target::do_is_defined_by_abi): Likewise.
8811         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
8812         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
8813         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
8814         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
8815         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
8816         * testsuite/Makefile.in: Rebuild.
8817
8818         * fileread.cc (make_view): Add casts to avoid warning.
8819
8820 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8821
8822         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
8823         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8824
8825 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8826
8827         * options.h (General_options::output_is_executable): New.
8828         (General_options::output_is_pie): New.
8829         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
8830         for shared libraries.
8831         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8832
8833 2008-09-11  Chris Demetriou  <cgd@google.com>
8834
8835         * options.h (origin): New -z option.
8836         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
8837         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
8838         in DT_FLAGS_1.
8839
8840 2008-09-05  Cary Coutant  <ccoutant@google.com>
8841
8842         * fileread.cc (File_read::make_view): Add check for attempt to map
8843         beyond end of file.
8844
8845 2008-09-05  Cary Coutant  <ccoutant@google.com>
8846
8847         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
8848         explicit instantiations.
8849
8850 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
8851
8852         PR gold/6858
8853         * options.cc (General_options::finalize): Allow undefined symbols
8854         in shlibs if linking -shared.
8855
8856         PR gold/6859
8857         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
8858         symbols as not needing a dynsym entry.
8859
8860 2008-08-20  Craig Silverstein  <csilvers@google.com>
8861
8862         * fileread.cc (File_read::open): Do not lock the file unless it
8863         was successfully opened.
8864
8865 2008-08-14  Cary Coutant  <ccoutant@google.com>
8866
8867         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
8868         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
8869         * testsuite/tls_test.cc (struct int128): 128-bit struct
8870         for testing TLS relocs with non-zero addend.
8871         (v12): New TLS variable.
8872         (t12): New test.
8873         (t_last): Add check for v12.
8874         * testsuite/tls_test.h (t12): New function.
8875         * testsuite/tls_test_main.cc (thread_routine): Call new test.
8876
8877 2008-08-13  Ian Lance Taylor  <iant@google.com>
8878
8879         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
8880         set tls_segment_ or relro_segment_.
8881         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
8882         when appropriate.
8883         * output.h (Output_section::clear_is_relro): New function.
8884         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
8885         sections specially even when output_data_ is empty.
8886         (Output_segment::maximum_alignment): When first section is relro,
8887         only force alignment for PT_LOAD segments.
8888         * script.cc (script_data_segment_align): New function.
8889         (script_data_segment_relro_end): New function.
8890         * script-c.h (script_data_segment_align): Declare.
8891         (script_data_segment_relro_end): Declare.
8892         * script-sections.h (class Script_sections): Declare
8893         data_segment_align and data_segment_relro_end.  Add fields
8894         segment_align_index_ and saw_relro_end_.
8895         * script-sections.cc (class Sections_element): Add set_is_relro
8896         virtual function.  Add new bool* parameter to place_orphan_here.
8897         Add get_output_section virtual function.
8898         (class Output_section_definition): Add set_is_relro.  Add new
8899         bool* parameter to place_orphan_here.  Add get_output_section.
8900         Add is_relro_ field.
8901         (Output_section_definition::Output_section_definition): Initialize
8902         evaluated_address_, evaluated_load_address, evaluated_addralign_,
8903         and is_relro_ fields.
8904         (Output_section_definition::place_orphan_here): Add is_relro
8905         parameter.
8906         (Output_section_definition::set_section_addresses): Set relro for
8907         output section.
8908         (Output_section_definition::alternate_constraint): Likewise.
8909         (class Orphan_output_section): Add new bool* parameter to
8910         place_orphan_here.  Add get_output_section.
8911         (Orphan_output_section::place_orphan_here): Add is_relro
8912         parameter.
8913         (Script_sections::Script_sections): Initialize
8914         data_segment_align_index_ and saw_relro_end_.
8915         (Script_sections::data_segment_align): New function.
8916         (Script_sections::data_segment_relro_end): New function.
8917         (Script_sections::place_orphan): Set or clear is_relro.
8918         (Script_sections::set_section_addresses): Force alignment of first
8919         TLS section.
8920         * yyscript.y (exp): Call script_data_segment_align and
8921         script_data_segment_relro_end.
8922         * testsuite/relro_script_test.t: New file.
8923         * testsuite/relro_test.cc (using_script): Declare.
8924         (t1, t2): Test using_script.
8925         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
8926         (relro_script_test_SOURCES): Define.
8927         (relro_script_test_DEPENDENCIES): Define.
8928         (relro_script_test_LDFLAGS): Define.
8929         (relro_script_test_LDADD): Define.
8930         (relro_script_test.so): New target.
8931         * testsuite/Makefile.in: Rebuild.
8932
8933 2008-08-06  Cary Coutant <ccoutant@google.com>
8934
8935         * archive.cc (Archive::total_archives, Archive::total_members)
8936         (Archive::total_members_loaded): New variables.
8937         (Archive::setup): Add parameter.  Add option to preread
8938         archive symbols.
8939         (Archive::read_armap): Add counter.
8940         (Archive::get_file_and_offset): New function.
8941         (Archive::get_elf_object_for_member): New function.
8942         (Archive::read_all_symbols): New function.
8943         (Archive::read_symbols): New function.
8944         (Archive::add_symbols): Add counters.
8945         (Archive::include_all_members): Use armap to find members if it's
8946         already built.
8947         (Archive::include_member): Skip reading symbols if already read.
8948         Factored code into Archive::get_file_and_offset and
8949         Archive::get_elf_object_for_member.  Changed call to
8950         Mapfile::report_include_archive_member.
8951         (Archive::print_stats): New function.
8952         * archive.h: Declare Object and Read_symbols_data classes.
8953         (Archive::Archive): Add initializers for new members.
8954         (Archive::setup): Add parameter.
8955         (Archive::print_stats): New function.
8956         (Archive::total_archives, Archive::total_members)
8957         (Archive::total_members_loaded): New variables.
8958         (Archive::get_file_and_offset): New function.
8959         (Archive::get_elf_object_for_member): New function.
8960         (Archive::read_all_symbols): New function.
8961         (Archive::read_symbols): New function.
8962         (Archive::Archive_member): New class.
8963         (Archive::members_): New member.
8964         (Archive::num_members_): New member.
8965         * main.cc: Include archive.h.
8966         (main): Call Archive::print_stats.
8967         * mapfile.cc (Mapfile::report_include_archive_member): Delete
8968         archive parameter; member_name is now the fully-decorated name.
8969         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
8970         * options.h: (General_options): Add --preread-archive-symbols option.
8971         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
8972         Archive::setup.
8973
8974 2008-08-04  Ian Lance Taylor  <iant@google.com>
8975
8976         * symtab.h (Symbol::use_plt_offset): New function.
8977         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
8978         * powerpc.cc (Relocate::relocate): Likewise.
8979         * sparc.cc (Relocate::relocate): Likewise.
8980         * x86_64.cc (Relocate::relocate): Likewise.
8981         * testsuite/weak_plt.sh: New test.
8982         * testsuite/weak_plt_main.cc: New test.
8983         * testsuite/weak_plt_shared.cc: New test.
8984         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
8985         (check_PROGRAMS): Add weak_plt.
8986         (check_DATA): Add weak_plt_shared.so.
8987         (weak_plt_main_pic.o, weak_plt): New targets.
8988         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
8989         * testsuite/Makefile.in: Rebuild.
8990
8991         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
8992         gcctestdir/ld.
8993         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
8994         * testsuite/Makefile.in: Rebuild.
8995
8996 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
8997
8998         * Makefile.am (POTFILES.in): Set LC_ALL=C.
8999         * Makefile.in: Regenerate.
9000         * po/POTFILES.in: Regenerate.
9001
9002 2008-07-29  Ian Lance Taylor  <iant@google.com>
9003
9004         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9005         symbols before other symbols.
9006         * testsuite/script_test_2.cc (test_addr): Declare.
9007         (test_addr_alias): Declare.
9008         (main): Check that test_addr and test_addr_alias have the right
9009         values.
9010         * testsuite/script_test_2.t: Define test_addr_alias and
9011         test_addr.
9012
9013 2008-07-24  Ian Lance Taylor  <iant@google.com>
9014
9015         PR 5990
9016         * descriptors.cc: New file.
9017         * descriptors.h: New file.
9018         * gold-threads.h (class Hold_optional_lock): New class.
9019         * fileread.cc: Include "descriptors.h".
9020         (File_read::~File_read): Release descriptor rather than closing
9021         it.
9022         (File_read::open) [file]: Call open_descriptor rather than open.
9023         Set is_descriptor_opened_.
9024         (File_read::open) [memory]: Assert that descriptor is not open.
9025         (File_read::reopen_descriptor): New function.
9026         (File_read::release): Release descriptor.
9027         (File_read::do_read): Make non-const.  Reopen descriptor.
9028         (File_read::read): Make non-const.
9029         (File_read::make_view): Reopen descriptor.
9030         (File_read::do_readv): Likewise.
9031         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9032         Update declarations.
9033         * layout.cc: Include "descriptors.h".
9034         (Layout::create_build_id): Use open_descriptor rather than open.
9035         * output.cc: Include "descriptors.h".
9036         (Output_file::open): Use open_descriptor rather than open.
9037         * archive.cc (Archive::const_iterator): Change Archive to be
9038         non-const.
9039         (Archive::begin, Archive::end): Make non-const.
9040         (Archive::count_members): Likewise.
9041         * archive.h (class Archive): Update declarations.
9042         * object.h (Object::read): Make non-const.
9043         * Makefile.am (CCFILES): Add descriptors.cc.
9044         (HFILES): Add descriptors.h.
9045         * Makefile.in: Rebuild.
9046
9047         PR 6716
9048         * gold.h: Always include <clocale>.  Add Solaris workarounds
9049         following code in binutils/sysdep.h.
9050
9051         PR 6048
9052         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9053         this->eh_frame_hdr_ is NULL before using it.
9054
9055         * dynobj.cc (Versions::Versions): Update comment.
9056
9057         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9058         the base version name.
9059
9060         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9061         array size plus one.
9062         (Stringpool_template::set_string_offsets): Subtract one from key
9063         before using it as an array index.
9064         (Stringpool_template::get_offset_with_length): Likewise.
9065         (Stringpool_template::write_to_buffer): Likewise.
9066         * stringpool.h (Stringpool_template::get_offset_from_key):
9067         Likewise.
9068
9069 2008-07-23  Ian Lance Taylor  <iant@google.com>
9070
9071         PR 6658
9072         * object.h (Merged_symbol_value::value): Do our best to handle a
9073         negative addend.
9074
9075         PR 6647
9076         * script.cc (Version_script_info::get_versions): Don't add empty
9077         version tag to return value.
9078         (Version_script_info::get_symbol_version_helper): Change return
9079         type to bool.  Add pversion parameter.  Change all callers.
9080         (script_register_vers_node): Don't require a non-NULL tag.
9081         * script.h (class Version_script_info): Update declarations.
9082         (Version_script_info::get_symbol_version): Change return type to
9083         bool.  Add version parameter.  Change all callers.
9084         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9085         handling.  Handle an empty version from a version script.
9086         (Symbol_table::define_special_symbol): Likewise.
9087         * testsuite/ver_test_10.script: New file.
9088         * testsuite/ver_test_10.sh: New file.
9089         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9090         (check_DATA): Add ver_test_10.syms.
9091         (ver_test_10.syms, ver_test_10.so): New target.
9092         * testsuite/Makefile.in: Rebuild.
9093
9094 2008-07-23  Simon Baldwin  <simonb@google.com>
9095
9096         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9097         to zero for undefined symbols from dynamic libraries.
9098
9099 2008-07-23  Ian Lance Taylor  <iant@google.com>
9100
9101         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9102         Change all callers.
9103         * symtab.h (class Symbol_table): Update declaration.
9104         * testsuite/ver_test_9.cc: New file.
9105         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9106         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9107         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9108         (ver_test_9.so, ver_test_9.o): New targets.
9109         * testsuite/Makefile.in: Rebuild.
9110
9111 2008-07-22  Ian Lance Taylor  <iant@google.com>
9112
9113         * options.h (class General_options): Define --check-sections.
9114         * layout.cc (Layout::set_segment_offsets): Handle
9115         --check-sections.
9116
9117         * options.h (class General_options): Define -n/--nmagic and
9118         -N/--omagic.
9119         * options.cc (General_options::finalize): For -n/--nmagic or
9120         -N/--omagic, set -static.
9121         * layout.cc (Layout::attach_allocated_section_to_segment): If
9122         -N/--omagic, don't put read-only and read-write sections in
9123         different segments.
9124         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9125         finding a read-only segment.
9126         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9127         don't set the minimum segment alignment to the common page size,
9128         and don't set the file offset to the address modulo the page size.
9129         * script-sections.cc (Script_sections::create_segments): If
9130         -n/--omagic, don't put read-only and read-write sections in
9131         different segments.
9132
9133         * cref.cc: New file.
9134         * cref.h: New file.
9135         * options.h (class General_options): Add --print-symbol-counts.
9136         * main.cc (main): Issue defined symbol report if requested.
9137         * archive.cc (Archive::interpret_header): Make into a const member
9138         function.
9139         (Archive::add_symbols): Call Input_objects::archive_start and
9140         archive_stop.
9141         (Archive::const_iterator): Define new class.
9142         (Archive::begin, Archive::end): New functions.
9143         (Archive::include_all_members): Rewrite to use iterator.
9144         (Archive::count_members): New function.
9145         * archive.h (class Archive): Update declarations.
9146         (Archive::filename): New function.
9147         * object.cc: Include "cref.h".
9148         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9149         (Sized_relobj::do_get_global_symbol_counts): New function.
9150         (Input_objects::add_object): Add object to cross-referencer.
9151         (Input_objects::archive_start): New function.
9152         (Input_objects::archive_stop): New function.
9153         (Input_objects::print_symbol_counts): New function.
9154         * object.h: Declare Cref and Archive.
9155         (Object::get_global_symbol_counts): New function.
9156         (Object::do_get_global_symbol_counts): New pure virtual function.
9157         (class Sized_relobj): Add defined_count_ field.  Update
9158         declarations.
9159         (class Input_objects): Add cref_ field.  Update constructor.
9160         Update declarations.
9161         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9162         defined_count_.
9163         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9164         symbol counts.
9165         (Sized_dynobj::do_get_global_symbol_counts): New function.
9166         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9167         defined_count_.  Update declarations.  Define Symbols typedef.
9168         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9169         parameter.  Change all callers.
9170         (Symbol_table::add_from_dynobj): Add sympointers and defined
9171         parameters.  Change all callers.
9172         * symtab.h (class Symbol_table): Update declarations.
9173         * Makefile.am (CCFILES): Add cref.cc.
9174         (HFILES): Add cref.h.
9175         * Makefile.in: Rebuild.
9176
9177 2008-07-22  Simon Baldwin  <simonb@google.com>
9178
9179         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9180         to zero when writing undefined symbols.
9181
9182 2008-07-22  Ian Lance Taylor  <iant@google.com>
9183
9184         * output.cc (Output_section::add_input_section): Don't try to
9185         merge empty merge sections.
9186
9187 2008-07-21  Craig Silverstein  <csilvers@google.com>
9188
9189         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9190         Include symbol version in error message.
9191
9192 2008-07-20  Chris Demetriou  <cgd@google.com>
9193
9194         * configure.ac (gold_cv_c_random_seed): New configured variable.
9195         (RANDOM_SEED_CFLAGS): New substituted variable.
9196         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9197         * configure: Rebuild.
9198         * Makefile.in: Likewise.
9199         * testsuite/Makefile.in: Likewise.
9200
9201 2008-07-18  Ian Lance Taylor  <iant@google.com>
9202
9203         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9204         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9205         * testsuite/ver_test_main.cc (main): Call t4.
9206         (t4, t4_2a): Define.
9207         * testsuite/ver_test_2.cc (t4_2): Define.
9208         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9209         * testsuite/ver_test_4.cc (t4_2a): Define.
9210         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9211         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9212
9213 2008-07-17  Ian Lance Taylor  <iant@google.com>
9214
9215         * dynobj.cc (Versions::add_def): If we give an error about a
9216         missing version, go ahead and create the version anyhow.
9217
9218 2008-07-10  Ian Lance Taylor  <iant@google.com>
9219
9220         Handle output sections with more than 0x7fffffff bytes.
9221         * object.h (class Relobj): Change map_to_output_ to
9222         output_sections_, and just keep a section pointer.  Change all
9223         uses.  Move comdat group support to Sized_relobj.
9224         (Relobj::is_section_specially_mapped): Remove.
9225         (Relobj::output_section): Remove poff parameter.  Change all
9226         callers.
9227         (Relobj::output_section_offset): New function.
9228         (Relobj::set_section_offset): Rewrite.
9229         (Relobj::map_to_output): Remove.
9230         (Relobj::output_sections): New function.
9231         (Relobj::do_output_section_offset): New pure virtual function.
9232         (Relobj::do_set_section_offset): Likewise.
9233         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9234         group support from Relobj.  Update declarations.
9235         (Sized_relobj::get_output_section_offset): New function.
9236         (Sized_relobj::do_output_section_offset): New function.
9237         (Sized_relobj::do_set_section_offset): New function.
9238         * object.cc (Relobj::output_section_address): Remove.
9239         (Sized_relobj::Sized_relobj): Initialize new fields.
9240         (Sized_relobj::include_section_group): Cast find_kept_object to
9241         Sized_relobj.
9242         (Sized_relobj::include_linkonce_section): Likewise.
9243         (Sized_relobj::do_layout): Use separate arrays for output section
9244         and output offset.
9245         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9246         output_sections.
9247         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9248         output_sections and section_offsets.
9249         (Sized_relobj::write_local_symbols): Likewise.
9250         (map_to_kept_section): Compute output address directly.
9251         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9252         output_sections and section_offsets.
9253         (Sized_relobj::write_sections): Likewise.
9254         (Sized_relobj::relocate_sections): Likewise.
9255         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9256         * output.h (class Output_reloc): Update declarations.  Change
9257         u2_.relobj to Sized_relobj*.
9258         (class Output_data_reloc): Change add functions to use
9259         Sized_relobj*.
9260         * output.cc (Output_reloc::Output_reloc): Change relobj to
9261         Sized_relobj*.
9262         (Output_reloc::local_section_offset): Change return type to
9263         Elf_Addr.  Use get_output_section_offset.
9264         (Output_reloc::get_address): Likewise.
9265         (Output_section::is_input_address_mapped): Don't call
9266         is_section_specially_mapped.
9267         (Output_section::output_offset): Likewise.
9268         (Output_section::output_address): Likewise.
9269         (Output_section::starting_output_address): Likewise.
9270         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
9271         parameter to Sized_relobj*.
9272         (Copy_relocs::need_copy_reloc): Likewise.
9273         (Copy_relocs::save): Likewise.
9274         * copy-relocs.h (class Copy_relocs): Update declarations.
9275         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
9276         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
9277         * target-reloc.h (relocate_for_relocatable): Change
9278         offset_in_output_section type to Elf_Addr.  Change code that uses
9279         it as well.
9280         * layout.cc (Layout::layout): Always set *off.
9281         * mapfile.cc (Mapfile::print_input_section): Use
9282         output_section_offset.
9283         * i386.cc (Target_i386::copy_reloc): Change object parameter to
9284         Sized_relobj*.
9285         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
9286         * sparc.cc (Target_sparc::copy_reloc): Likewise.
9287         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
9288
9289 2008-07-03  Ian Lance Taylor  <iant@google.com>
9290
9291         * layout.cc (Layout::include_section): Do not discard unrecognized
9292         SHT_STRTAB sections.
9293
9294 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
9295
9296         * script.cc (Lex::can_continue_name): Make '?' allowable in
9297         version-script names.
9298         * testsuite/version_script.map: Change glob pattern to use '?'
9299
9300 2008-06-30  Manish Singh  <yosh@gimp.org>
9301
9302         PR 6585
9303         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
9304         Correct typo.
9305
9306 2008-06-30  Ian Lance Taylor  <iant@google.com>
9307
9308         PR 6660
9309         PR 6682
9310         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
9311         versions]: Don't try to read the value in the contents, since we
9312         don't use it.  Use the template endianness when writing.
9313
9314 2008-06-25  Cary Coutant  <ccoutant@google.com>
9315
9316         * fileread.cc (File_read::make_view): Assert on zero-length view.
9317         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
9318         symbol table when there are no symbols to read.
9319
9320 2008-06-23  Craig Silverstein  <csilvers@google.com>
9321
9322         * version.cc (version_string): Bump to 1.7
9323
9324 2008-06-18  Craig Silverstein  <csilvers@google.com>
9325
9326         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
9327         constant 0xFFFF to type Valtype.
9328         (Powerpc_relocate_functions::rel16_ha): Likewise.
9329
9330 2008-06-17  Ian Lance Taylor  <iant@google.com>
9331
9332         * output.h (Output_section::Input_section): Initialize p2align_ to
9333         zero for Output_section_data constructors.
9334         (Output_section::Input_section::addralign): If not an input
9335         section, return the alignment of the Output_section_data.
9336         * testsuite/copy_test.cc: New file.
9337         * testsuite/copy_test_1.cc: New file.
9338         * testsuite/copy_test_2.cc: New file.
9339         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
9340         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
9341         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
9342         (copy_test_1_pic.o, copy_test_1.so): New targets.
9343         (copy_test_2_pic.o, copy_test_2.so): New targets.
9344         * testsuite/Makefile.in: Rebuild.
9345
9346         * script-sections.cc (Script_sections::place_orphan): Initialize
9347         local variable exact.
9348
9349 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
9350
9351         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
9352
9353 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
9354             David S. Miller  <davem@davemloft.net>
9355
9356         * powerpc.cc: New file.
9357         * Makefile.am (TARGETSOURCES): Add powerpc.cc
9358         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
9359         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
9360         * Makefile.in: Rebuild.
9361
9362 2008-06-09  Ian Lance Taylor  <iant@google.com>
9363
9364         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
9365         <exception>.
9366         (throwing, orig_terminate): New static variables.
9367         (terminate_handler): New static function.
9368         (t2): Set terminate handler.
9369
9370 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
9371
9372         PR 6584
9373         * binary.cc (Binary_to_elf::sized_convert): Fix .data
9374         alignment.
9375
9376 2008-05-30  Cary Coutant  <ccoutant@google.com>
9377
9378         * archive.cc (Archive::include_all_members) Correct to step
9379         over symbol table and extended name table in thin archives.
9380
9381 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
9382
9383         PR 6407
9384         * target-reloc.h (relocate_for_relocatable): Fix new_offset
9385         calculation.
9386
9387 2008-05-28  Caleb Howe  <cshowe@google.com>
9388
9389         * reduced_debug_output.cc: New file.
9390         * reduced_debug_output.h: New file.
9391         * options.h (class General_options): Add --strip-debug-non-line.
9392         * options.cc (General_options::finalize): Add strip_debug_non_line
9393         to the strip heirarchy.
9394         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
9395         fields.
9396         * layout.cc: Include "reduced_debug_output.h".
9397         (Layout::Layout): Initialize new fields.
9398         (line_only_debug_sections): New static array.
9399         (is_lines_only_debug_sections): New static inline function.
9400         (Layout::include_section): Handle --strip-debug-non-line.
9401         (Layout::make_output_section): If --strip-debug-non-line, build
9402         new output sections for .debug_abbrev and .debug_info.
9403         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
9404         gold.  Warn about possible overflow.
9405         (read_signed_LEB_128): Likewise.
9406         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
9407         (read_signed_LEB_128): Declare.
9408         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
9409         (HFILES): Add reduced_debug_output.h.
9410         * Makefile.in: Rebuild.
9411
9412 2008-05-21  Ian Lance Taylor  <iant@google.com>
9413
9414         * mapfile.cc: New file.
9415         * mapfile.h: New file.
9416         * options.h (class General_options): Add -M/--print-map and -Map.
9417         * options.cc (General_options::finalize): Make -M equivalent to
9418         -Map -.
9419         * main.cc: Include <cstdio> and "mapfile.h".
9420         (main): Open mapfile if requested.
9421         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
9422         constructor.  Change caller.
9423         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9424         (queue_middle_tasks): Likewise.
9425         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9426         declarations.
9427         * archive.cc: Include "mapfile.h".
9428         (Archive::add_symbols): Add mapfile parameter.  Change all
9429         callers.  Pass mapfile, symbol, and reason to include_member.
9430         (Archive::include_all_members): Add mapfile parameter.  Change all
9431         callers.
9432         (Archive::include_member): Add mapfile, sym, and why parameters.
9433         Change all callers.  Report inclusion to map file.
9434         * archive.h: Include "fileread.h".
9435         (class Archive): Update declarations.
9436         (Archive::file): New const method.
9437         (class Add_archive_symbols): Add mapfile_ field.  Update
9438         constructor.  Change all callers.
9439         * readsyms.h (class Read_symbols): Likewise.
9440         (class Finish_group): Likewise.
9441         (class Read_script): Likewise.
9442         * common.cc: Include "mapfile.h".
9443         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9444         all callers.
9445         (Symbol_table::do_allocate_commons): Likewise.
9446         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9447         symbol allocation to mapfile.
9448         * common.h (class Allocate_commons_task): Add mapfile_ field.
9449         Update constructor.  Change all callers.
9450         * symtab.h (class Symbol_table): Update declarations.
9451         * layout.cc: Include "mapfile.h".
9452         (Layout_task_runner::run): Print information to mapfile.
9453         (Layout::create_gold_note): Change Output_data_fixed_space to
9454         Output_data_zero_fill.
9455         (Layout::create_build_id): Likewise.
9456         (Layout::print_to_mapfile): New function.
9457         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9458         constructor.  Change caller.
9459         (class Layout): Declare print_to_mapfile.
9460         * output.cc (Output_section::Input_section::print_to_mapfile): New
9461         function.
9462         (Output_section::add_input_section): If producing a map, always
9463         add to input_sections_ list.
9464         (Output_section::do_print_to_mapfile): New function.
9465         (Output_segment::print_sections_to_mapfile): New function.
9466         (Output_segment::print_section_list_to_mapfile): New function.
9467         * output.h: Include "mapfile.h".
9468         (Output_data::print_to_mapfile): New function.
9469         (Output_data::do_print_to_mapfile): New virtual function.
9470         (Output_segment_headers::do_print_to_mapfile): New function.
9471         (Output_file_header::do_print_to_mapfile): New function.
9472         (Output_data_const::do_print_to_mapfile): New function.
9473         (class Output_data_const_buffer): Add map_name_ field.  Update
9474         constructor.  Change all callers.  Add do_print_to_mapfile
9475         function.
9476         (class Output_data_fixed_space): Likewise.
9477         (class Output_data_space): Likewise.
9478         (class Output_data_zero_fill): New class.
9479         (Output_data_strtab::do_print_to_mapfile): New function.
9480         (Output_data_reloc_base::do_print_to_mapfile): New function.
9481         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9482         (Output_data_group::do_print_to_mapfile): New function.
9483         (Output_data_got::do_print_to_mapfile): New function.
9484         (Output_data_dynamic::do_print_to_mapfile): New function.
9485         (Output_symtab_xindex::do_print_to_mapfile): New function.
9486         (class Output_section): Declare do_print_to_mapflie.  Declare
9487         print_to_mapfile in Input_section.
9488         (class Output_segment): Declare new functions.
9489         * object.h (Sized_relobj::symbol_count): New function.
9490         * script-sections.cc
9491         (Output_section_element_dot_assignment::set_section_addresses):
9492         Change Output_data_fixed_space to Output_data_zero_fill.
9493         (Output_data_expression::do_print_to_mapfile): New function.
9494         * script.cc (read_input_script): Add mapfile parameter.  Change
9495         all callers.
9496         * script.h (read_input_script): Update declaration.
9497         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9498         (Eh_frame::do_print_to_mapfile): New function.
9499         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9500         (Output_merge_string::do_print_to_mapfile): New function.
9501         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9502         function.
9503         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9504         function.
9505         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9506         function.
9507         * Makefile.am (CCFILES): Add mapfile.cc.
9508         (HFILES): Add mapfile.h.
9509         * Makefile.in: Rebuild.
9510
9511 2008-05-19  Ian Lance Taylor  <iant@google.com>
9512
9513         * options.h (class General_options): Add -z relro.
9514         * layout.cc (Layout::Layout): Initialize relro_segment_.
9515         (Layout::add_output_section_data): Return the output section.
9516         (Layout::make_output_section): Rcognize relro sections and mark
9517         them appropriately.
9518         (Layout::attach_allocated_section_to_segment): Put relro sections
9519         in a PT_GNU_RELRO segment.
9520         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9521         section as relro.
9522         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9523         PT_TLS segments.
9524         (Layout::linkonce_mapping): Map d.rel.ro.local to
9525         .data.rel.ro.local.
9526         (Layout::output_section_name): Us .data.rel.ro.local for any
9527         section which begins with that.
9528         * layout.h (class Layout): Update add_output_section_data
9529         declaration.  Add relro_segment_ field.
9530         * output.cc (Output_section::Output_section): Initialize is_relro_
9531         and is_relro_local_ fields.
9532         (Output_segment::add_output_section): Group relro sections.
9533         (Output_segment::is_first_section_relro): New function.
9534         (Output_segment::maximum_alignment): If there is a relro section,
9535         align the segment to the common page size.
9536         (Output_segment::set_section_addresses): Track whether we are
9537         looking at relro sections.  If the last section is a relro
9538         section, align to the common page size.
9539         (Output_segment::set_section_list_addresses): Add in_relro
9540         parameter.  Change all callers.  Align to the page size when
9541         moving from relro to non-relro section.
9542         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9543         segment.
9544         * output.h (class Output_section): Add is_relro_ and
9545         is_relro_local_ fields.
9546         (Output_section::is_relro): New function.
9547         (Output_section::set_is_relro): New function.
9548         (Output_section::is_relro_local): New function.
9549         (Output_section::set_is_relro_local): New function.
9550         (class Output_segment): Update declarations.
9551         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9552         * sparc.cc (Target_sparc::got_section): Likewise.
9553         * x86_64.cc (Target_x86_64::got_section): Likewise.
9554         * testsuite/relro_test_main.cc: New file.
9555         * testsuite/relro_test.cc: New file.
9556         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9557         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9558         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9559         (relro_test.so, relro_test_pic.o): New targets.
9560         * testsuite/Makefile.in: Rebuild.
9561
9562 2008-05-16  Ian Lance Taylor  <iant@google.com>
9563
9564         * output.cc (Output_segment::add_output_section): Remove front
9565         parameter.
9566         * output.h (class Output_segment): Remove
9567         add_initial_output_section and overloaded add_output_section.
9568         Update declaration of remaining add_output_section.
9569         * layout.cc (Layout::create_interp): Call add_output_section
9570         rather than add_initial_output_section.
9571         (Layout::finish_dynamic_section): Likewise.
9572
9573         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9574         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9575         know the dynamic type.
9576         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9577         field.  Initialize it in constructor.
9578         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9579         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9580         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9581         reloc.
9582
9583         * output.cc (Output_reloc::get_address): Change return type to
9584         Elf_Addr.
9585         * output.h (class Output_reloc): Update get_address declaration.
9586         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9587         for section addresses.
9588
9589 2008-05-09  Ian Lance Taylor  <iant@google.com>
9590
9591         PR 6493
9592         * gold.cc (gold_nomem): Use return value of write.
9593
9594 2008-05-08  Ian Lance Taylor  <iant@google.com>
9595
9596         * symtab.c (Symbol::init_base_output_data): Add version
9597         parameter.  Change all callers.
9598         (Symbol::init_base_output_segment): Likewise.
9599         (Symbol::init_base_constant): Likewise.
9600         (Symbol::init_base_undefined): Likewise.
9601         (Sized_symbol::init_output_data): Likewise.
9602         (Sized_symbol::init_output_segment): Likewise.
9603         (Sized_symbol::init_constant): Likewise.
9604         (Sized_symbol::init_undefined): Likewise.
9605         (Symbol_table::do_define_in_output_data): If the new symbol has a
9606         version, mark it as the default.
9607         (Symbol_table::do_define_in_output_segment): Likewise.
9608         (Symbol_table::do_define_as_constant): Likewise.
9609         * symtab.h (class Symbol): Update declarations.
9610         (class Sized_symbol): Likewise.
9611         * resolve.cc (Symbol::override_version): New function.
9612         (Symbol::override_base): Call override_version.
9613         (Symbol::override_base_with_special): Likewise.
9614         * testsuite/ver_script_8.script: New file.
9615         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9616         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9617         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9618         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9619
9620 2008-05-06  Ian Lance Taylor  <iant@google.com>
9621
9622         PR 6049
9623         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9624         functions.
9625         (class General_options): Remove existing --undefined, and add
9626         --no-undefined instead.  Add new --undefined as synonym for -u.
9627         * archive.cc (Archive::add_symbols): Check whether symbol was
9628         named with -u.
9629         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9630         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9631         all uses.  Add IS_UNDEFINED.  Update declarations to split
9632         different versions of init_base.  Declare init_base_undefined.
9633         (Symbol::is_defined): Handle IS_UNDEFINED.
9634         (Symbol::is_undefined): Likewise.
9635         (Symbol::is_weak_undefined): Call is_undefined.
9636         (Symbol::is_absolute): Handle IS_CONSTANT.
9637         (class Sized_symbol): Update declarations to split different
9638         versions of init.  Declare init_undefined.
9639         (class Symbol_table): Declare new functions.
9640         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9641         Change all callers.
9642         (Symbol::init_base_output_data): Likewise.
9643         (Symbol::init_base_output_segment): Likewise.
9644         (Symbol::init_base_constant): Likewise.
9645         (Symbol::init_base_undefined): New function.
9646         (Sized_symbol::init_object): Rename from init.  Change all
9647         callers.
9648         (Sized_symbol::init_output_data): Likewise.
9649         (Sized_symbol::init_output_segment): Likewise.
9650         (Sized_symbol::init_constant): Likewise.
9651         (Sized_symbol::init_undefined): New function.
9652         (Symbol_table::add_undefined_symbols_from_command_line): New
9653         function.
9654         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9655         function.
9656         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9657         (Symbol::output_section): Likewise.
9658         (Symbol::set_output_section): Likewise.
9659         (Symbol_table::sized_finalize_symbol): Likewise.
9660         (Symbol_table::sized_write_globals): Likewise.
9661         * resolve.cc (Symbol_table::should_override): Likewise.
9662         (Symbol::override_base_with_special): Likewise.
9663
9664         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9665         symbol, change it to have default visibility.
9666         * testsuite/protected_1.cc: New file.
9667         * testsuite/protected_2.cc: New file.
9668         * testsuite/protected_3.cc: New file.
9669         * testsuite/protected_main_1.cc: New file.
9670         * testsuite/protected_main_2.cc: New file.
9671         * testsuite/protected_main_3.cc: New file.
9672         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9673         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9674         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9675         (protected_1.so): New target.
9676         (protected_1_pic.o, protected_2_pic.o): New targets.
9677         (protected_3_pic.o): New target.
9678         (check_PROGRAMS): Add protected_2.
9679         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9680         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9681         * testsuite/Makefile.in: Rebuild.
9682
9683         * options.h (DEFINE_var): Add set_user_set_##varname__.
9684         (DEFINE_bool_alias): New macro.
9685         (class General_options): Define -Bstatic using DEFINE_bool_alias
9686         rather than DEFINE_special.  Add --undefined as an alias for -z
9687         defs.
9688         * options.cc (General_options::parse_Bstatic): Remove.
9689
9690         * options.h (class General_options): Add --fatal-warnings.
9691         * main.cc (main): Implement --fatal-warnings.
9692         * errors.h (Errors::warning_count): New function.
9693
9694         * options.h (class General_options): Add -Bsymbolic-functions.
9695         * symtab.h (Symbol::is_preemptible): Check for
9696         -Bsymbolic-functions.
9697
9698 2008-05-05  Ian Lance Taylor  <iant@google.com>
9699
9700         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9701         as noVARNAME rather than no-VARNAME.
9702         (class General_options): Add option -z combreloc.
9703         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9704         get_address.
9705         (Output_reloc::sort_before) [SHT_REL]: New function.
9706         (Output_reloc::sort_before) [SHT_RELA]: New function.
9707         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9708         Sort_relocs_comparison.
9709         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9710         parameter.  Change all callers.
9711         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9712         sort_relocs parameter.  Change all callers.
9713         * output.cc (Output_reloc::get_address): New function, broken out
9714         of write_rel.
9715         (Output_reloc::write_rel): Call it.
9716         (Output_reloc::compare): New function.
9717         (Output_data_reloc_base::do_write): Optionally sort relocs.
9718
9719         * configure.ac: If targ_extra_obj is set, link it in.
9720         * configure.tgt: Initialize all variables.
9721         (x86_64*): Set targ_extra_obj and targ_extra_size.
9722         * configure: Rebuild.
9723
9724         * object.cc (Sized_relobj::include_section_group): Adjust section
9725         indexes read from group data.  Build vector to pass to
9726         layout_group.
9727         * layout.cc (Layout::layout_group): Add flags and shndxes
9728         parameters.  Remove contents parameter.  Change caller.  Update
9729         explicit instantiations.
9730         * layout.h (class Layout): Update layout_group declaration.
9731         * output.cc (Output_data_group::Output_data_group): Add flags and
9732         input_shndxes parameters.  Remove contents parameter.  Change
9733         caller.
9734         (Output_data_group::do_write): Change input_sections_ to
9735         input_shndxes_.
9736         * output.h (class Output_data_group): Update constructor
9737         declaration.  Rename input_sections_ to input_shndxes_.
9738         * testsuite/many_sections_test.cc: Add template.
9739
9740 2008-04-30  Cary Coutant  <ccoutant@google.com>
9741
9742         * target-reloc.h (relocate_section): Fix dead-pointer bug.
9743
9744         * layout.cc (Layout::include_section): Refactored check for debug
9745         info section.
9746         (Layout::add_comdat): Add new parameters.  Change type
9747         of signature parameter.  Add object and shndx to signatures table.
9748         (Layout::find_kept_object): New function.
9749         * layout.h: Include <cstring>.
9750         (Layout::is_debug_info_section): New function.
9751         (Layout::add_comdat): Add new parameters.
9752         (Layout::find_kept_object): New function.
9753         (Layout::Kept_section): New struct.
9754         (Layout::Signatures): Change type of map range.
9755         * object.cc (Relobj::output_section_address): New function.
9756         (Sized_relobj::include_section_group): Add new parameters.  Change
9757         calls to Layout::add_comdat.  Change to build table of kept comdat
9758         groups and table mapping discarded sections to kept sections.
9759         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
9760         (Sized_relobj::do_layout): Change calls to include_section_group and
9761         include_linkonce_section.
9762         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
9763         value to zero when section is discarded.
9764         (Sized_relobj::map_to_kept_section): New function.
9765         * object.h (Relobj::output_section_address): New function.
9766         (Relobj::Comdat_group): New type.
9767         (Relobj::find_comdat_group): New function.
9768         (Relobj::Comdat_group_table): New type.
9769         (Relobj::Kept_comdat_section): New type.
9770         (Relobj::Kept_comdat_section_table): New type.
9771         (Relobj::add_comdat_group): New function.
9772         (Relobj::set_kept_comdat_section): New function.
9773         (Relobj::get_kept_comdat_section): New function.
9774         (Relobj::comdat_groups_): New field.
9775         (Relobj::kept_comdat_sections_): New field.
9776         (Symbol_value::input_value): Update comment.
9777         (Sized_relobj::map_to_kept_section) New function.
9778         (Sized_relobj::include_linkonce_section): Add new parameter.
9779         * target-reloc.h (Comdat_behavior): New type.
9780         (get_comdat_behavior): New function.
9781         (relocate_section): Add code to map a discarded section to the
9782         corresponding kept section when applying a relocation.
9783
9784 2008-04-30  Craig Silverstein  <csilvers@google.com>
9785
9786         * dwarf_reader.cc (next_generation_count): New static var.
9787         (Addr2line_cache_entry): New struct.
9788         (addr2line_cache): New static var.
9789         (Dwarf_line_info::one_addr2line): Added caching.
9790         (Dwarf_line_info::clear_addr2line_cache): New function.
9791         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
9792         cache-size parameter.
9793         (Dwarf_line_info::one_addr2line_cache): New function.
9794         * symtab.cc (Symbol_table::detect_odr_violations): Pass
9795         new cache-size argument to one_addr2line(), and clear cache.
9796
9797 2008-04-28  Cary Coutant  <ccoutant@google.com>
9798
9799         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
9800         R_386_PC8 relocations.
9801
9802 2008-04-23  Ian Lance Taylor  <iant@google.com>
9803
9804         * object.cc (Sized_relobj::include_section_group): Check for
9805         invalid section group.
9806
9807         * object.cc (make_elf_object): Correct test for 64-bit ELF file
9808         header size.
9809
9810         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
9811         than read for file header.
9812         * archive.cc (Archive::include_member): Likewise.
9813
9814 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
9815
9816         * aclocal.m4: Regenerate.
9817         * configure: Regenerate.
9818
9819 2008-04-19  Ian Lance Taylor  <iant@google.com>
9820
9821         * version.cc (version_string): Bump to 1.6.
9822
9823         * testsuite/Makefile.am (many_sections_r_test): New target.
9824         (many_sections_r_test_SOURCES): Remove.
9825         (many_sections_r_test_DEPENDENCIES): Remove.
9826         (many_sections_r_test_LDFLAGS): Remove.
9827         (many_sections_r_test_LDADD): Remove.
9828
9829         * object.cc (Sized_relobj::do_add_symbols): Always pass
9830         local_symbol_count_ to add_from_relobj.
9831
9832         * testsuite/Makefile.am (many_sections_check.h): Only check one in
9833         every thousand variables.
9834         * testsuite/Makefile.in: Rebuild.
9835
9836         * object.cc (Xindex::initialize_symtab_xindex): New function.
9837         (Xindex::read_symtab_xindex): New function.
9838         (Xindex::sym_xindex_to_shndx): New function.
9839         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
9840         available.
9841         (Sized_relobj::do_initialize_xindex): New function.
9842         (Sized_relobj::do_read_symbols): Adjust section links.
9843         (Sized_relobj::symbol_section_and_value): Add is_ordinary
9844         parameter.  Change all callers.
9845         (Sized_relobj::include_section_group): Adjust section links and
9846         symbol section indexes.
9847         (Sized_relobj::do_layout): Adjust section links.
9848         (Sized_relobj::do_count_local_symbols): Adjust section links and
9849         symbol section indexes.
9850         (Sized_relobj::do_finalize_local_symbols): Distinguish between
9851         ordinary and special symbols.
9852         (Sized_relobj::write_local_symbols): Add symtab_xindex and
9853         dynsym_xindex parameters.  Change all callers.  Adjust section
9854         links.  Use SHN_XINDEX when needed.
9855         (Sized_relobj::get_symbol_location_info): Adjust section links.
9856         Don't get fooled by special symbols.
9857         * object.h (class Xindex): Define.
9858         (class Object): Add xindex_ parameter.  Declare virtual functoin
9859         do_initialize_xindex.
9860         (Object::adjust_sym_shndx): New function.
9861         (Object::set_xindex): New protected function.
9862         (class Symbol_value): Add is_ordinary_shndx_ field.
9863         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
9864         (Symbol_value::value): Assert ordinary section.
9865         (Symbol_value::initialize_input_to_output_map): Likewise.
9866         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
9867         Change all callers.
9868         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
9869         all callers.
9870         (class Sized_relobj): Update declarations.
9871         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
9872         parameter.  Change all callers.
9873         (Sized_relobj::adjust_shndx): New function.
9874         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
9875         field.
9876         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
9877         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
9878         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
9879         (Sized_dynobj::read_dynsym_section): Adjust section links.
9880         (Sized_dynobj::read_dynamic): Likewise.
9881         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
9882         section links.
9883         (Sized_dynobj::do_initialize_xindex): New function.
9884         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
9885         do_initialize_xindex.
9886         (Sized_dynobj::adjust_shndx): New function.
9887         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
9888         dynsym_xindex_ fields.
9889         (Layout::finalize): Add a call to set_section_indexes before
9890         creating the symtab sections.
9891         (Layout::set_section_indexes): Don't do anything if the section
9892         already has a section index.
9893         (Layout::create_symtab_sections): Add shnum parameter.  Change
9894         caller.  Create .symtab_shndx section if needed.
9895         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
9896         caller.
9897         (Layout::allocated_output_section_count): New function.
9898         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
9899         needed.
9900         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
9901         fields.  Update declarations.
9902         (Layout::symtab_xindex): New function.
9903         (Layout::dynsym_xindex): New function.
9904         (class Write_symbols_task): Add layout_ field.
9905         (Write_symbols_task::Write_symbols_task): Add layout parameter.
9906         Change caller.
9907         * output.cc (Output_section_headers::Output_section_headers): Add
9908         shstrtab_section parameter.  Change all callers.
9909         (Output_section_headers::do_sized_write): Store overflow values
9910         for section count and section string table section index in
9911         section header zero.
9912         (Output_file_header::do_sized_write): Check for overflow of
9913         section count and section string table section index.
9914         (Output_symtab_xindex::do_write): New function.
9915         (Output_symtab_xindex::endian_do_write): New function.
9916         * output.h (class Output_section_headers): Add shstrtab_section_.
9917         Update declarations.
9918         (class Output_symtab_xindex): Define.
9919         (Output_section::has_out_shndx): New function.
9920         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
9921         field.
9922         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
9923         Change all callers.
9924         (Sized_symbol::init): Likewise.
9925         (Symbol::output_section): Check for ordinary symbol.
9926         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
9927         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
9928         callers.
9929         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
9930         Change all callers.  Simplify handling of symbols from sections
9931         not included in the link.
9932         (Symbol_table::add_from_dynobj): Handle ordinary symbol
9933         distinction.
9934         (Weak_alias_sorter::operator()): Assert that symbols are
9935         ordinary.
9936         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
9937         distinction.
9938         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
9939         parameters.  Change all callers.
9940         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
9941         symbol distinction.  Use SHN_XINDEX when needed.
9942         (Symbol_table::write_section_symbol): Add symtab_xindex
9943         parameter.  Change all callers.
9944         (Symbol_table::sized_write_section_symbol): Likewise.  Use
9945         SHN_XINDEX when needed.
9946         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
9947         declarations.
9948         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
9949         (Symbol::is_defined): Check is_ordinary.
9950         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
9951         (Symbol::is_absolute, Symbol::is_common): Likewise.
9952         (class Sized_symbol): Update declarations.
9953         (class Symbol_table): Update declarations.
9954         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
9955         parameters.  Change all callers.
9956         (Sized_symbol::override): Likewise.
9957         (Symbol_table::override): Likewise.
9958         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
9959         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
9960         is_ordinary, and orig_st_shndx parameters.  Change all callers.
9961         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
9962         to be in an ordinary section.
9963         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
9964         object and is_ordinary parameters.  Change all callers.
9965         (Sized_dwarf_line_info::read_relocs): Add object parameter.
9966         Change all callers.  Don't add undefined or non-ordinary symbols
9967         to reloc_map_.
9968         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
9969         Change all callers.
9970         * dwarf_reader.h (class Sized_dwarf_line_info): Update
9971         declarations.
9972         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
9973         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
9974         (Sized_relobj::relocate_sections): Likewise.
9975         * target-reloc.h (scan_relocs): Adjust section symbol index.
9976         (scan_relocatable_relocs): Likewise.
9977         * i386.cc (Scan::local): Check for ordinary symbols.
9978         * sparc.cc (Scan::local): Likewise.
9979         * x86_64.cc (Scan::local): Likewise.
9980         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
9981         to symbol_section_and_value.
9982         * testsuite/many_sections_test.cc: New file.
9983         * testsuite/Makefile.am (BUILT_SOURCES): Define.
9984         (check_PROGRAMS): Add many_sections_test.
9985         (many_sections_test_SOURCES): Define.
9986         (many_sections_test_DEPENDENCIES): Define.
9987         (many_sections_test_LDFLAGS): Define.
9988         (BUILT_SOURCES): Add many_sections_define.h.
9989         (many_sections_define.h): New target.
9990         (BUILT_SOURCES): Add many_sections_check.h.
9991         (many_sections_check.h): New target.
9992         (check_PROGRAMS): Add many_sections_r_test.
9993         (many_sections_r_test_SOURCES): Define.
9994         (many_sections_r_test_DEPENDENCIES): Define.
9995         (many_sections_r_test_LDFLAGS): Define.
9996         (many_sections_r_test_LDADD): Define.
9997         (many_sections_r_test.o): New target.
9998         * testsuite/Makefile.in: Rebuild.
9999
10000 2008-04-17  Cary Coutant  <ccoutant@google.com>
10001
10002         * errors.cc (Errors::info): New function.
10003         (gold_info): New function.
10004         * errors.h (Errors::info): New function.
10005         * gold.h (gold_info): New function.
10006         * object.cc (Input_objects::add_object): Print trace output.
10007         * options.cc (options::parse_set): New function.
10008         (General_options::parse_wrap): Deleted.
10009         (General_options::General_options): Deleted initializer.
10010         * options.h (options::String_set): New typedef.
10011         (options::parse_set): New function.
10012         (DEFINE_set): New macro.
10013         (General_options::wrap): Changed to use DEFINE_set. Changed
10014         callers of any_wrap_symbols and is_wrap_symbol.
10015         (General_options::trace, General_options::trace_symbol):
10016         New options.
10017         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10018         (General_options::wrap_symbols_): Deleted.
10019         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10020
10021 2008-04-17  David S. Miller  <davem@davemloft.net>
10022
10023         * options.cc (General_options::parse_V): New function.
10024         * options.h: Add entries for -V and -Qy.
10025
10026 2008-04-17  Ian Lance Taylor  <iant@google.com>
10027
10028         * common.cc (Symbol_table::allocate_commons): Remove options
10029         parameter.  Change caller.
10030         (Symbol_table::do_allocate_commons): Remove options parameter.
10031         Change caller.  Just call do_allocate_commons_list twice.
10032         (Symbol_table::do_allocate_commons_list): New function, broken out
10033         of do_allocate_commons.
10034         * common.h (class Allocate_commons_task): Remove options_ field.
10035         Update constructor.
10036         * symtab.cc (Symbol_table::Symbol_table): Initialize
10037         tls_commons_.
10038         (Symbol_table::add_from_object): Put TLS common symbols on
10039         tls_commons_ list.
10040         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10041         which are IN_OUTPUT_DATA.
10042         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10043         allocate_commons and do_allocate_commons declarations.  Declare
10044         do_allocate_commons_list.
10045         * gold.cc (queue_middle_tasks): Update creation of
10046         Allocate_commons_task to not pass options.
10047         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10048         (TLS_TEST_C_FLAGS): New variable.
10049         (tls_test_c_pic.o): New target.
10050         (tls_test_shared.so): Link in tls_test_c_pic.o.
10051         (tls_test_c_pic_ie.o): New target.
10052         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10053         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10054         (tls_test_c.o): New target.
10055         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10056         (tls_pic_test_LDADD): Likewise.
10057         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10058         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10059         (tls_test_c_gnu2.o): New target.
10060         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10061         tls_test_c_gnu2.o.
10062         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10063         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10064         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10065         * testsuite/tls_test.cc: Include "config.h".
10066         (t_last): Call t11_last.
10067         * testsuite/tls_test.h (t11, t11_last): Declare.
10068         * testsuite/tls_test_c.c: New file.
10069         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10070         * configure.ac: Check for OpenMP support.
10071         * configure, config.in, Makefile.in: Rebuild.
10072         * testsuite/Makefile.in: Rebuild.
10073
10074 2008-04-16  Cary Coutant  <ccoutant@google.com>
10075
10076         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10077         (Target_i386::tls_base_symbol_defined_): New field.
10078         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10079         (Target_i386::Scan::global): Likewise.
10080         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10081         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10082         (Target_x86_64::tls_base_symbol_defined_): New field.
10083         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10084         (Target_x86_64::Scan::global): Likewise.
10085
10086 2008-04-16  Cary Coutant  <ccoutant@google.com>
10087
10088         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10089         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10090         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10091         building shared libraries.
10092         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10093         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10094         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10095         * testsuite/Makefile.in: Rebuild.
10096         * testsuite/weak_undef.h: New file.
10097         * testsuite/weak_undef_file1.cc: Add extra test cases.
10098         * testsuite/weak_undef_file2.cc: Likewise.
10099         * testsuite/weak_undef_test.cc: Likewise.
10100
10101 2008-04-16  David S. Miller  <davem@davemloft.net>
10102
10103         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10104         Add issued_non_pic_error_ field.  Declare check_non_pic.
10105         (Target_sparc::Scan::check_non_pic): New function.
10106         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10107         (Target_sparc::Scan::global): Likewise.
10108
10109         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10110         * configure: Rebuild.
10111
10112         * options.h (DEFINE_enable): New macro.
10113         (new_dtags): New enable option.
10114         (initfirst, interpose, loadfltr, nodefaultlib,
10115         nodelete, nodlopen, nodump): New -z options.
10116         * layout.cc (Layout:finish_dynamic_section): If new
10117         dtags enabled, emit DT_RUNPATH.  Also, emit a
10118         DT_FLAGS_1 containing any specified -z flags.
10119
10120 2008-04-16  Ian Lance Taylor  <iant@google.com>
10121
10122         * copy-relocs.cc: New file.
10123         * copy-relocs.h: New file.
10124         * reloc.cc: Remove Copy_relocs code.
10125         * reloc.h: Likewise.
10126         * reloc-types.h (struct Reloc_types) [both versions]: Add
10127         get_reloc_addend_noerror.
10128         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10129         variants of add_global which take an addend which must be zero.
10130         * i386.cc: Include "copy-relocs.h".
10131         (class Target_i386): Change type of copy_relocs_ to variable,
10132         update initializer.
10133         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10134         Change all callers.
10135         (Target_i386::do_finalize_sections): Change handling of
10136         copy_relocs_.
10137         * sparc.cc: Include "copy-relocs.h".
10138         (class Target_sparc): Change type of copy_relocs_ to variable,
10139         update initializer.
10140         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10141         Change all callers.
10142         (Target_sparc::do_finalize_sections): Change handling of
10143         copy_relocs_.
10144         * x86_64.cc: Include "copy-relocs.h".
10145         (class Target_x86_64): Change type of copy_relocs_ to variable,
10146         update initializer.
10147         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10148         class.  Change all callers.
10149         (Target_x86_64::do_finalize_sections): Change handling of
10150         copy_relocs_.
10151         * Makefile.am (CCFILES): Add copy-relocs.cc.
10152         (HFILES): Add copy-relocs.h.
10153
10154         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10155
10156         * testsuite/script_test_4.sh: Permit leading zeroes.
10157
10158 2008-04-15  Ian Lance Taylor  <iant@google.com>
10159
10160         * script-sections.cc (Script_sections::create_segments): Use
10161         header_size_adjustment even when there is enough room for the
10162         headers.
10163         * testsuite/script_test_4.sh: New file.
10164         * testsuite/script_test_4.t: New file.
10165         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10166         (check_DATA): Add script_test_4.stdout.
10167         (MOSTLYCLEANFILES): Likewise.
10168         (script_test_4): New target.
10169         (script_test_4.stdout): New target.
10170         * testsuite/Makefile.in: Rebuild.
10171
10172         * sparc.cc: Add definitions for Output_data_plt_sparc class
10173         constants.
10174
10175 2008-04-14  David S. Miller  <davem@davemloft.net>
10176
10177         * sparc.cc: New file.
10178         * Makefile.am (TARGETSOURCES): Add sparc.cc
10179         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10180         * configure.tgt: Document targ_extra_size and
10181         targ_extra_big_endian.  Add entries for sparc-* and
10182         sparc64-*.
10183         * configure.ac: Handle targ_extra_size and
10184         targ_extra_big_endian.
10185         * Makefile.in: Rebuild.
10186         * configure: Likewise.
10187         * po/POTFILES.in: Likewise.
10188         * po/gold.pot: Likewise.
10189
10190 2008-04-14  Ian Lance Taylor  <iant@google.com>
10191
10192         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10193         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10194         in the name/type/flags to section mapping.  Don't call
10195         allocate_output_section.
10196         (Layout::choose_output_section): Change parameter from adjust_name
10197         to is_input_section.  Don't permit input sections after sections
10198         are attached to segments.  Don't call allocate_output_section.
10199         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10200         not write_enable_output_section.
10201         (Layout::make_output_section): Don't push to
10202         unattached_section_list_ nor call attach_to_segment.  Call
10203         attach_section_to_segment if sections are attached.
10204         (Layout::attach_sections_to_segments): New function.
10205         (Layout::attach_section_to_segment): New function.
10206         (Layout::attach_allocated_section_to_segment): Rename from
10207         attach_to_segment.  Remove flags parameter.
10208         (Layout::allocate_output_section): Remove function.
10209         (Layout::write_enable_output_section): Remove function.
10210         * layout.h (class Layout): Update for above changes.  Add new
10211         field sections_are_attached_.
10212         * output.h (Output_section::update_flags_for_input_section): New
10213         function.
10214         * output.cc (Output_section::add_input_section): Call
10215         update_flags_for_input_section.
10216         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10217
10218 2008-04-11  Cary Coutant  <ccoutant@google.com>
10219
10220         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10221         thought unnecessary.
10222         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10223
10224 2008-04-11  Ian Lance Taylor  <iant@google.com>
10225
10226         * output.h (class Output_section_data): Remove inline definition
10227         of set_addralign.
10228         * output.cc (Output_section_data::set_addralign): New function.
10229
10230 2008-04-11  Cary Coutant  <ccoutant@google.com>
10231
10232         Add support for TLS descriptors for i386 and x86_64.
10233         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10234         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10235         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10236         GOT_TYPE_TLS_DESC.
10237         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10238         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10239         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10240         relocations.
10241         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10242         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10243         Fix problem with initial-exec relocations.
10244         (Target_i386::Relocate::relocate_tls): Likewise.
10245         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10246         relaxation.
10247         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10248         support for section-plus-offset dynamic table entries.
10249         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10250         (Output_data_dynamic::Dynamic_entry): Add support for
10251         section-plus-offset dynamic table entries.
10252         (Output_data_dynamic::Classification): Likewise.
10253         (Output_data_dynamic::classification_): Renamed offset_.
10254         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10255         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10256         (Target_x86_64::make_plt_section): New function.
10257         (Target_x86_64::reserve_tlsdesc_entries): New function.
10258         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10259         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10260         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10261         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10262         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10263         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10264         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10265         add extra PLT entry for TLS descriptors.
10266         (Output_data_plt_x86_64::got_): New field.
10267         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
10268         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
10269         fields.
10270         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
10271         descriptors.
10272         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
10273         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
10274         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
10275         R_386_TLS_DESC_CALL relocations.
10276         (Target_x86_64::Scan::global): Likewise.
10277         (Target_x86_64::do_finalize_sections): Add dynamic table entries
10278         for TLS descriptors.
10279         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
10280         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
10281         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
10282         GD-to-IE relaxation.
10283         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
10284         and TLS_DESCRIPTORS.
10285         * Makefile.in: Rebuild.
10286         * configure: Rebuild.
10287         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
10288         (tls_test_shared2.so): New target.
10289         (tls_shared_gd_to_ie_test_SOURCES): New variable.
10290         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
10291         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
10292         (tls_shared_gd_to_ie_test_LDADD): New variable.
10293         (tls_shared_gnu2_gd_to_ie_test): New target.
10294         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
10295         New targets.
10296         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
10297         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
10298         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
10299         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
10300         (tls_shared_gnu2_test): New target.
10301         (tls_test_gnu2_shared.so): New target.
10302         (tls_shared_gnu2_test_SOURCES): New variable.
10303         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
10304         (tls_shared_gnu2_test_LDFLAGS): New variable.
10305         (tls_shared_gnu2_test_LDADD): New variable.
10306         * testsuite/Makefile.in: Rebuild.
10307         * testsuite/Makefile.
10308
10309 2008-04-11  Ian Lance Taylor  <iant@google.com>
10310
10311         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
10312         justsyms.t.
10313         * testsuite/Makefile.in: Rebuild.
10314
10315         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
10316         long.
10317         * testsuite/script_test_2.cc (main): Adjust test.
10318
10319 2008-04-11  David S. Miller  <davem@davemloft.net>
10320             Ian Lance Taylor  <iant@google.com>
10321
10322         * options.h (General_options): Add entries for '-Y' and
10323         '-relax'.
10324         * options.cc (General_options:finalize): If -Y was used, add those
10325         entries to the library path instead of the default "/lib" and
10326         "/usr/lib".
10327
10328 2008-04-11  David S. Miller  <davem@davemloft.net>
10329
10330         * testsuite/justsyms.t: Start at 0x100.
10331         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
10332         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
10333         long.
10334         * testsuite/script_test_2.cc: Adjust string and section length
10335         checks.
10336
10337 2008-04-09  Ian Lance Taylor  <iant@google.com>
10338
10339         PR gold/5996
10340         * script-sections.cc (Sections_element::allocate_to_segment): Add
10341         orphan parameter.
10342         (Output_section_definition::allocate_to_segment): Likewise.
10343         (Orphan_output_section::allocate_to_segment): Likewise.
10344         (Script_sections::attach_sections_using_phdrs_clause): Don't
10345         propagate non-PT_LOAD segments to orphan sections.
10346         * testsuite/Makefile.am (script_test_3.stdout): Generate using
10347         readelf rather than objdump.
10348         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
10349         .interp section and PT_INTERP segment are the same size.
10350         * testsuite/Makefile.in: Rebuild.
10351
10352         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
10353         aliases for symbols defined in the same object.
10354         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
10355         (weak_alias_test_SOURCES): New variable.
10356         (weak_alias_test_DEPENDENCIES): New variable.
10357         (weak_alias_test_LDFLAGS): New variable.
10358         (weak_alias_test_LDADD): New variable.
10359         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
10360         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
10361         (weak_alias_test_3.o): New target.
10362         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
10363         * testsuite/weak_alias_test_main.cc: New file.
10364         * testsuite/weak_alias_test_1.cc: New file.
10365         * testsuite/weak_alias_test_2.cc: New file.
10366         * testsuite/weak_alias_test_3.cc: New file.
10367
10368 2008-04-08  Ian Lance Taylor  <iant@google.com>
10369
10370         * options.h (class General_options): Add --noinhibit-exec option.
10371         * main.cc (main): Check --noinhibit-exec.
10372
10373         * options.h (class General_options): Define --wrap as a special
10374         option.  Add wrap_symbols_ field.
10375         (General_options::any_wrap_symbols): New function.
10376         (General_options::is_wrap_symbol): New function.
10377         * options.cc (General_options::parse_wrap): New function.
10378         (General_options::General_options): Initialize wrap_symbols_.
10379         * symtab.cc (Symbol_table::wrap_symbol): New function.
10380         (Symbol_table::add_from_object): Handle --wrap.
10381         * symtab.h (class Symbol_table): Declare wrap_symbol.
10382         * target.h (Target::wrap_char): New function.
10383         (Target::Target_info): Add wrap_char field.
10384         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
10385         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10386         * testsuite/testfile.cc (Target_test::test_target_info):
10387         Likewise.
10388
10389         * errors.cc (Errors::undefined_symbol): Mention symbol version if
10390         there is one.
10391
10392         * layout.h (class Layout): Add added_eh_frame_data_ field.
10393         * layout.cc (Layout::Layout): Initialize new field.
10394         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
10395         output section until we find a section we merged successfully.
10396         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
10397         that the size be non-zero.
10398
10399         * merge.cc (Object_merge_map::get_output_offset): Remove inline
10400         qualifier.
10401
10402 2008-04-08  Craig Silverstein  <csilvers@google.com>
10403
10404         * configure.ac: Export new conditional variable HAVE_ZLIB.
10405         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
10406         on HAVE_ZLIB.
10407         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
10408         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10409
10410 2008-04-07  Ian Lance Taylor  <iant@google.com>
10411
10412         * version.cc (version_string): Set to "1.5".
10413
10414         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
10415         Add issued_non_pic_error_ field.  Declare check_non_pic.
10416         (Target_x86_64::Scan::check_non_pic): New function.
10417         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
10418         (Target_x86_64::Scan::global): Likewise.
10419
10420         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
10421         addend parameter.  Change caller.  Handle merge sections.
10422         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
10423         Address to Addend.  Don't add in the result of
10424         local_section_offset, pass down the addend and use the returned
10425         value.
10426         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10427         Update declarations of local_section_offset and symbol_value.
10428         * testsuite/two_file_test_1.cc (t18): New function.
10429         * testsuite/two_file_test_2.cc (f18): New function.
10430         * testsuite/two_file_test_main.cc (main): Call t18.
10431         * testsuite/two_file_test.h (t18, f18): Declare.
10432
10433         * configure.ac: Don't test for objdump, c++filt, or readelf.
10434         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10435         conditionals.
10436         (TEST_READELF): New variable.
10437         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10438         (check_PROGRAMS): Add two_file_strip_test.
10439         (two_file_strip_test): New target.
10440         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10441         (two_file_same_shared_strip_test_SOURCES): New variable.
10442         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10443         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10444         (two_file_same_shared_strip_test_LDADD): New variable.
10445         (two_file_shared_strip.so): New target.
10446         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10447         (ver_test_5.syms, ver_test_7.syms): Likewise.
10448         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10449         (strip_test_3.stdout): Use TEST_OBJDUMP.
10450         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10451
10452 2008-04-04  Cary Coutant  <ccoutant@google.com>
10453
10454         * symtab.h (Symbol::is_weak_undefined): New function.
10455         (Symbol::is_strong_undefined): New function.
10456         (Symbol::is_absolute): New function.
10457         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10458         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10459         absolute symbols.
10460         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10461         (weak_undef_test): New target.
10462         * testsuite/Makefile.in: Rebuild.
10463         * testsuite/weak_undef_file1.cc: New file.
10464         * testsuite/weak_undef_file2.cc: New file.
10465         * testsuite/weak_undef_test.cc: New file.
10466
10467 2008-04-03  Craig Silverstein  <csilvers@google.com>
10468
10469         * compressed_output.h (class Output_compressed_section): Use
10470         unsigned buffer.
10471         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10472         add zlib header.
10473         (zlib_compressed_suffix): Removed.
10474         (Output_compressed_section::set_final_data_size): Use unsigned
10475         buffers.
10476         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10477         Fix linker invocation.
10478         (flagstest_o_specialfile_and_compress_debug_sections):
10479         Likewise.
10480         * testsuite/Makefile.in: Regenerated.
10481
10482 2008-04-02  David S. Miller  <davem@davemloft.net>
10483
10484         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10485         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10486
10487 2008-04-02  Craig Silverstein  <csilvers@google.com>
10488
10489         * TODO: New file.
10490
10491 2008-04-02  Ian Lance Taylor  <iant@google.com>
10492
10493         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10494         parameters.  Update for new key type to views_.  Change all
10495         callers.
10496         (File_read::read): Adjust for byteshift in returned view.
10497         (File_read::add_view): New function, broken out of
10498         find_and_make_view.
10499         (File_read::make_view): New function, broken out of
10500         find_and_make_view.
10501         (File_read::find_or_make_view): Add offset and aligned
10502         parameters.  Rewrite accordingly.  Change all callers.
10503         (File_read::get_view): Add offset and aligned parameters.  Adjust
10504         for byteshift in return value.
10505         (File_read::get_lasting_view): Likewise.
10506         * fileread.h (class File_read): Update declarations.
10507         (class File_read::View): Add byteshift_ field.  Add byteshift to
10508         constructor.  Add byteshift method.
10509         * archive.h (Archive::clear_uncached_views): New function.
10510         (Archive::get_view): Add aligned parameter.  Change all callers.
10511         * object.h (Object::get_view): Add aligned parameter.  Change all
10512         callers.
10513         (Object::get_lasting_view): Likewise.
10514
10515         * fileread.cc (File_read::release): Don't call clear_views if
10516         there are multiple objects.
10517         * fileread.h (File_read::clear_uncached_views): New function.
10518         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10519         on the archive.
10520
10521 2008-03-31  Cary Coutant  <ccoutant@google.com>
10522
10523         Add thin archive support.
10524         * archive.cc (Archive::armagt): New const.
10525         (Archive::setup): Remove task parameter and calls to unlock.
10526         (Archive::unlock_nested_archives): New function.
10527         (Archive::read_header): Add nested_off parameter. Change
10528         all callers.
10529         (Archive::interpret_header): Likewise.
10530         (Archive::include_all_members): Change to handle thin
10531         archives.
10532         (Archive::include_member): Likewise.
10533         * archive.h (Archive::Archive): Add new parameters and
10534         initializers.
10535         (Archive::armagt): New const.
10536         (Archive::setup): Remove task parameter.
10537         (Archive::unlock_nested_archives): New function.
10538         (Archive::read_header): Add nested_off parameter.
10539         (Archive::interpret_header): Likewise.
10540         (Archive::Nested_archive_table): New typedef.
10541         (Archive::is_thin_archive_): New field.
10542         (Archive::nested_archives_): New field.
10543         (Archive::options_): New field.
10544         (Archive::dirpath_): New field.
10545         (Archive::task_): New field.
10546         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10547         for thin archives.  Pass additional parameters to
10548         Archive::Archive.  Unlock the archive file after calling
10549         Archive::setup.
10550
10551 2008-03-29  Ian Lance Taylor  <iant@google.com>
10552
10553         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10554         version symbol to be local.
10555         * testsuite/ver_test_4.sh: New file.
10556         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10557         (check_DATA): Add ver_test_4.syms.
10558         (ver_test_4.syms): New target.
10559         * testsuite/Makefile.in: Rebuild.
10560
10561         * output.cc
10562         (Output_section::Input_section_sort_entry::has_priority): New
10563         function.
10564         (Output_section::Input_section_sort_entry::match_file_name): New
10565         function.
10566         (Output_section::Input_section_sort_entry::match_section_name):
10567         Remove.
10568         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10569         Remove.
10570         (Output_section::Input_section_sort_entry::match_section_file):
10571         Remove.
10572         (Output_section::Input_section_sort_compare::operator()): Rewrite
10573         using new Input_section_sort_entry functions.  Sort crtbegin and
10574         crtend first.  Sort sections with no priority before sections with
10575         a priority.
10576         * testsuite/initpri1.c (d3): Check j != 4.
10577         (cd5): New constructor/destructor function.
10578         (main): Check j != 2.
10579
10580         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10581         new symbol when resolving, don't call set_is_default.
10582         * testsuite/ver_test_7.cc: New file.
10583         * testsuite/ver_test_7.sh: New file.
10584         * testsuite/Makefile.am (ver_test_7.so): New target.
10585         (ver_test_7.o): New target.
10586         (check_SCRIPTS): Add ver_test_7.sh.
10587         (check_DATA): Add ver_test_7.syms.
10588         (ver_test_7.syms): New target.
10589
10590 2008-03-28  Ian Lance Taylor  <iant@google.com>
10591
10592         * layout.cc (Layout::layout): If we see an input section with a
10593         name that needs sorting, set the must_sort flag for the output
10594         section.
10595         (Layout::make_output_section): If the name of the output section
10596         indicates that it might require sorting, set the may_sort flag.
10597         * output.h (Output_section::may_sort_attached_input_sections): New
10598         function.
10599         (Output_section::set_may_sort_attached_input_sections): New
10600         function.
10601         (Output_section::must_sort_attached_input_sections): New
10602         function.
10603         (Output_section::set_must_sort_attached_input_sections): New
10604         function.
10605         (class Output_section): Declare Input_section_sort_entry.  Define
10606         Input_section_sort_compare.  Declare
10607         sort_attached_input_sections.  Add new fields:
10608         may_sort_attached_input_sections_,
10609         must_sort_attached_input_sections_,
10610         attached_input_sections_are_sorted_.
10611         * output.cc (Output_section::Output_section): Initialize new
10612         fields.
10613         (Output_section::add_input_section): Add an entry to
10614         input_sections_ if may_sort or must_sort are true.
10615         (Output_section::set_final_data_size): Call
10616         sort_attached_input_sections if necessary.
10617         (Output_section::Input_section_sort_entry): Define new class.
10618         (Output_section::Input_section_sort_compare::operator()): New
10619         function.
10620         (Output_section::sort_attached_input_sections): New function.
10621         * configure.ac: Check whether the compiler supports constructor
10622         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10623         * testsuite/initpri1.c: New file.
10624         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10625         CONSTRUCTOR_PRIORITY.
10626         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10627         (initpri1_LDFLAGS): New variable.
10628         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10629
10630 2008-03-27  Ian Lance Taylor  <iant@google.com>
10631
10632         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10633         * testsuite/common_test_1.c: New file.
10634         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10635         (common_test_1_SOURCES): New variable.
10636         (common_test_1_DEPENDENCIES): New variable.
10637         (common_test_1_LDFLAGS): New variable.
10638
10639         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10640         and commons_ correctly when NAME/VERSION does not override
10641         NAME/NULL.
10642         * testsuite/ver_test_6.c: New file.
10643         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10644         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10645         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10646
10647 2008-03-26  Ian Lance Taylor  <iant@google.com>
10648
10649         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10650         of an undefined symbol from a version script.
10651         * testsuite/Makefile.am (ver_test_5.so): New target.
10652         (ver_test_5.o): New target.
10653         (check_SCRIPTS): Add ver_test_5.sh.
10654         (check_DATA): Add ver_test_5.syms.
10655         (ver_test_5.syms): New target.
10656         * testsuite/ver_test_5.cc: New file.
10657         * testsuite/ver_test_5.script: New file.
10658         * testsuite/ver_test_5.sh: New file.
10659         * Makefile.in, testsuite/Makefile.in: Rebuild.
10660
10661         PR gold/5986
10662         Fix problems building gold with gcc 4.3.0.
10663         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10664         (gold_error_at_location, gold_warning_at_location): Use it.
10665         * configure.ac: Check whether we can compile and use a template
10666         function with a printf attribute.
10667         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10668         when jumping over bytes.
10669         * object.cc: Instantiate Object::read_section_data.
10670         * debug.h: Include <cstring>
10671         * dwarf_reader.cc: Include <algorithm>
10672         * main.cc: Include <cstring>.
10673         * options.cc: Include <cstring>.
10674         * output.cc: Include <cstring>.
10675         * script.cc: Include <cstring>.
10676         * script.h: Include <string>.
10677         * symtab.cc: Include <cstring> and <algorithm>.
10678         * target-select.cc: Include <cstring>.
10679         * version.cc: Include <string>.
10680         * testsuite/testmain.cc: Include <cstdlib>.
10681         * configure, config.in: Rebuild.
10682
10683 2008-03-25  Ian Lance Taylor  <iant@google.com>
10684
10685         * options.cc: Include "../bfd/bfdver.h".
10686         (options::help): Print bug reporting address.
10687
10688         * version.cc (print_version): Adjust output for current value of
10689         BFD_VERSION_STRING.
10690
10691         * NEWS: New file.
10692
10693         * options.cc (options::help): Print list of supported targets.
10694         * target-select.h: Include <vector>.
10695         (class Target_selector): Make machine_, size_, and is_big_endian_
10696         fields const.  Add bfd_name_ and instantiated_target_ fields.
10697         (Target_selector::Target_selector): Add bfd_name parameter.
10698         (Target_selector::recognize): Make non-virtual, call
10699         do_recognize.
10700         (Target_selector::recognize_by_name): Make non-virtual, call
10701         do_recognize_by_name.
10702         (Target_selector::supported_names): New function.
10703         (Target_selector::bfd_name): New function.
10704         (Target_selector::do_instantiate_target): New pure virtual
10705         function.
10706         (Target_selector::do_recognize): New virtual function.
10707         (Target_selector::do_recognize_by_name): New virtual function.
10708         (Target_selector::instantiate_target): New private function.
10709         (supported_target_names): Declare.
10710         * target-select.cc (Target_selector::Target_selector): Update for
10711         new parameter and fields.
10712         (select_target_by_name): Check that the name matches before
10713         calling recognize_by_name.
10714         (supported_target_names): New function.
10715         * i386.cc (class Target_selector_i386): Update Target_selector
10716         constructor call.  Remove recognize and recognize_by_name.  Add
10717         do_instantiate_target.
10718         * x86_64.cc (class Target_selector_x86_64): Likewise.
10719         * testsuite/testfile.cc (class Target_selector_test): Update for
10720         changes to Target_selector.
10721
10722         * README: Rewrite, with some notes on unsupported features.
10723
10724 2008-03-24  Cary Coutant  <ccoutant@google.com>
10725
10726         * i386.cc (Target_i386::Got_type): New enum declaration.
10727         (Target_i386::Scan::local): Updated callers of Output_data_got
10728         member functions.
10729         (Target_i386::Scan::global): Likewise.
10730         (Target_i386::Relocate::relocate): Likewise.
10731         (Target_i386::Relocate::relocate_tls): Likewise.
10732         * object.h (Got_offset_list): New class.
10733         (Sized_relobj::local_has_got_offset): Added got_type parameter.
10734         (Sized_relobj::local_got_offset): Likewise.
10735         (Sized_relobj::set_local_got_offset): Likewise.
10736         (Sized_relobj::local_has_tls_got_offset): Removed.
10737         (Sized_relobj::local_tls_got_offset): Removed.
10738         (Sized_relobj::set_local_tls_got_offset): Removed.
10739         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
10740         * output.cc (Output_data_got::add_global): Added got_type parameter.
10741         (Output_data_got::add_global_with_rel): Likewise.
10742         (Output_data_got::add_global_with_rela): Likewise.
10743         (Output_data_got::add_global_pair_with_rel): New function.
10744         (Output_data_got::add_global_pair_with_rela): New function.
10745         (Output_data_got::add_local): Added got_type parameter.
10746         (Output_data_got::add_local_with_rel): Likewise.
10747         (Output_data_got::add_local_with_rela): Likewise.
10748         (Output_data_got::add_local_pair_with_rel): New function.
10749         (Output_data_got::add_local_pair_with_rela): New function.
10750         (Output_data_got::add_global_tls): Removed.
10751         (Output_data_got::add_global_tls_with_rel): Removed.
10752         (Output_data_got::add_global_tls_with_rela): Removed.
10753         (Output_data_got::add_local_tls): Removed.
10754         (Output_data_got::add_local_tls_with_rel): Removed.
10755         (Output_data_got::add_local_tls_with_rela): Removed.
10756         * output.h (Output_data_got::add_global): Added got_type parameter.
10757         (Output_data_got::add_global_with_rel): Likewise.
10758         (Output_data_got::add_global_with_rela): Likewise.
10759         (Output_data_got::add_global_pair_with_rel): New function.
10760         (Output_data_got::add_global_pair_with_rela): New function.
10761         (Output_data_got::add_local): Added got_type parameter.
10762         (Output_data_got::add_local_with_rel): Likewise.
10763         (Output_data_got::add_local_with_rela): Likewise.
10764         (Output_data_got::add_local_pair_with_rel): New function.
10765         (Output_data_got::add_local_pair_with_rela): New function.
10766         (Output_data_got::add_global_tls): Removed.
10767         (Output_data_got::add_global_tls_with_rel): Removed.
10768         (Output_data_got::add_global_tls_with_rela): Removed.
10769         (Output_data_got::add_local_tls): Removed.
10770         (Output_data_got::add_local_tls_with_rel): Removed.
10771         (Output_data_got::add_local_tls_with_rela): Removed.
10772         * resolve.cc (Symbol::override_base_with_special): Removed
10773         reference to has_got_offset_ field.
10774         * symtab.cc (Symbol::init_fields): Replaced initialization
10775         of got_offset_ with got_offsets_.  Removed initialization
10776         of has_got_offset_
10777         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
10778         (Symbol::got_offset): Likewise.
10779         (Symbol::set_got_offset): Likewise.
10780         (Symbol::has_tls_got_offset): Removed.
10781         (Symbol::tls_got_offset): Removed.
10782         (Symbol::set_tls_got_offset): Removed.
10783         (Symbol::got_offset_): Removed.
10784         (Symbol::tls_mod_got_offset_): Removed.
10785         (Symbol::tls_pair_got_offset_): Removed.
10786         (Symbol::got_offsets_): New field.
10787         (Symbol::has_got_offset): Removed.
10788         (Symbol::has_tls_mod_got_offset): Removed.
10789         (Symbol::has_tls_pair_got_offset): Removed.
10790         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
10791         (Target_x86_64::Scan::local): Updated callers of Output_data_got
10792         member functions.
10793         (Target_x86_64::Scan::global): Likewise.
10794         (Target_x86_64::Relocate::relocate): Likewise.
10795         (Target_x86_64::Relocate::relocate_tls): Likewise.
10796
10797 2008-03-25  Ben Elliston  <bje@au.ibm.com>
10798
10799         * yyscript.y: Fix spelling error in comment.
10800
10801 2008-03-24  Ian Lance Taylor  <iant@google.com>
10802
10803         * options.h (class General_options): Define build_id option.
10804         * layout.h (class Layout): Declare write_build_id, create_note,
10805         create_build_id.  Add build_id_note_ member.
10806         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
10807         "libiberty.h", "md5.h", "sha1.h".
10808         (Layout::Layout): Initialize eh_frame_data_,
10809         eh_frame_hdr_section_, and build_id_note_.
10810         (Layout::finalize): Call create_build_id.
10811         (Layout::create_note): New function, broken out of
10812         Layout::create_gold_note.
10813         (Layout::create_gold_note): Call create_note.
10814         (Layout::create_build_id): New function.
10815         (Layout::write_build_id): New function.
10816         (Close_task_runner::run): Call write_build_id.
10817
10818         * x86_64.cc: Correct license to GPLv3.
10819
10820 2008-03-23  Ian Lance Taylor  <iant@google.com>
10821
10822         * options.cc: Include "demangle.h".
10823         (parse_optional_string): New function.
10824         (parse_long_option): Handle takes_optional_argument.
10825         (parse_short_option): Update dash_z initializer.  Handle
10826         takes_optional_argument.
10827         (General_options::General_options): Initialize do_demangle_.
10828         (General_options::finalize): Set do_demangle_.  Handle demangling
10829         style.
10830         * options.h (parse_optional_string): Declare.
10831         (struct One_option): Add optional_arg field.  Update constructor.
10832         Update call constructor calls.  Add takes_optional_argument
10833         function.
10834         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
10835         (DEFINE_optional_string): Define.
10836         (General_options::demangle): Change from DEFINE_bool to
10837         DEFINE_optional_string.
10838         (General_options::no_demangle): New function.
10839         (General_options::do_demangle): New function.
10840         (General_options::set_do_demangle): New function.
10841         (General_options::execstack_status_): Move definition to end of
10842         class definition.
10843         (General_options::static_): Likewise.
10844         (General_options::do_demangle_): New field.
10845         * object.cc (big_endian>::get_symbol_location_info): Call
10846         Options::do_demangle, not Options::demangle.
10847         * symtab.cc (demangle): Likewise.
10848
10849 2008-03-22  Ian Lance Taylor  <iant@google.com>
10850
10851         * gold.h: Include <cstddef> and <sys/types.h>
10852         * options.h: Include <cstring>.
10853
10854 2008-03-21  Ian Lance Taylor  <iant@google.com>
10855
10856         * Added source code to GNU binutils.