* gold.cc (queue_initial_tasks): Pass incremental base filename
[external/binutils.git] / gold / ChangeLog
1 2011-05-24 Cary Coutant  <ccoutant@google.com>
2
3         * gold.cc (queue_initial_tasks): Pass incremental base filename
4         to Output_file::open_base_file; don't print error message.
5         * incremental-dump.cc (main): Adjust call to
6         Output_file::open_for_modification.
7         * incremental-dump.cc (main): Likewise.
8         * incremental.cc (Incremental_inputs::report_command_line):
9         Ignore --incremental-base option when comparing command lines.
10         Ignore parameter when given as separate argument.
11         * options.h (class General_options): Add --incremental-base.
12         * output.cc (Output_file::Output_file):
13         (Output_file::open_base_file): Add base_name and writable parameters;
14         read base file into new file; print error message here.
15         (Output_file::map_no_anonymous): Add writable parameter; adjust all
16         callers.
17         * output.h (Output_file::open_for_modification): Rename to...
18         (Output_file::open_base_file): ...this; add base_name and
19         writable parameters; adjust all callers.
20         (Output_file::map_no_anonymous): Add writable parameter; adjust all
21         callers.
22         * testsuite/Makefile.am (incremental_test_4): Test
23         --incremental-base.
24         * testsuite/Makefile.in: Regenerate.
25
26 2011-05-24 Cary Coutant  <ccoutant@google.com>
27
28         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
29         incremental_test_4.
30         * testsuite/Makefile.in: Regenerate.
31         * testsuite/two_file_test_1_v1.cc: New test source file.
32         * testsuite/two_file_test_1b_v1.cc: New test source file.
33         * testsuite/two_file_test_2_v1.cc: New test source file.
34
35 2011-05-24 Cary Coutant  <ccoutant@google.com>
36
37         * dynobj.h (Dynobj::do_dynobj): New function.
38         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
39         flag and soname for shared objects.
40         * incremental.cc (Incremental_inputs::report_object): Make
41         either Incremental_object_entry or Incremental_dynobj_entry; add
42         soname to string table.
43         (Incremental_inputs::report_input_section): Add assertion.
44         (Output_section_incremental_inputs::set_final_data_size): Adjust
45         type of input file entry for shared libraries; adjust size of
46         shared library info entry.
47         (Output_section_incremental_inputs::write_input_files): Write
48         as_needed flag for shared libraries.
49         (Output_section_incremental_inputs::write_info_blocks): Adjust type
50         of input file entry for shared libraries; write soname.
51         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
52         soname from incremental info.
53         * incremental.h (enum Incremental_input_flags): Add
54         INCREMENTAL_INPUT_AS_NEEDED.
55         (Incremental_input_entry::Incremental_input_entry): Initialize new
56         data member.
57         (Incremental_input_entry::set_as_needed): New function.
58         (Incremental_input_entry::as_needed): New function.
59         (Incremental_input_entry::do_dynobj_entry): New function.
60         (Incremental_input_entry::as_needed_): New data member.
61         (Incremental_object_entry::Incremental_object_entry): Don't check
62         for shared library.
63         (Incremental_object_entry::do_type): Likewise.
64         (class Incremental_dynobj_entry): New class.
65         (Incremental_input_entry_reader::as_needed): New function.
66         (Incremental_input_entry_reader::get_soname): New function.
67         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
68         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
69         size of shared library info entry.
70         * layout.cc (Layout::finish_dynamic_section): Don't test for 
71         incremental link when adding DT_NEEDED entries.
72         * object.h (Object::Object): Initialize new data member.
73         (Object::dynobj): New function.
74         (Object::set_as_needed): New function.
75         (Object::as_needed): New function.
76         (Object::do_dynobj): New function.
77         (Object::as_needed_): New data member.
78
79 2011-05-24 Cary Coutant  <ccoutant@google.com>
80
81         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
82         info; adjust display of GOT entries.
83         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
84         vector of input objects; remove file_status_.
85         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
86         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
87         got_plt reader; call target hooks to reserve GOT entries.
88         (Output_section_incremental_inputs::set_final_data_size): Adjust size
89         of input file info header and GOT info entry.
90         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
91         relocation info.
92         (Got_plt_view_info::got_descriptor): Remove.
93         (Got_plt_view_info::sym_index): New data member.
94         (Got_plt_view_info::input_index): New data member.
95         (Local_got_offset_visitor::visit): Write input file index.
96         (Global_got_offset_visitor::visit): Write 0 for input file index.
97         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
98         with sym_index and input_index.
99         (Output_section_incremental_inputs::write_got_plt): Adjust size of
100         incremental info GOT entry; replace got_descriptor with input_index.
101         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
102         map from input file index to object.
103         (Sized_relobj_incr::do_layout): Replace direct data member reference
104         with accessor function.
105         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
106         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
107         Adjust size of input file info header.
108         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
109         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
110         (Incremental_input_entry_reader::get_input_section): Adjust size of
111         input file info header.
112         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
113         of incremental info GOT entry.
114         (Incremental_got_plt_reader::get_got_desc): Remove.
115         (Incremental_got_plt_reader::get_got_symndx): New function.
116         (Incremental_got_plt_reader::get_got_input_index): New function.
117         (Sized_incremental_binary::Sized_incremental_binary): Remove
118         file_status_; add input_objects_.
119         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
120         (Sized_incremental_binary::set_file_is_unchanged): Remove.
121         (Sized_incremental_binary::file_is_unchanged): Remove.
122         (Sized_incremental_binary::set_input_object): New function.
123         (Sized_incremental_binary::input_object): New function.
124         (Sized_incremental_binary::file_status_): Remove.
125         (Sized_incremental_binary::input_objects_): New data member.
126         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
127         references.
128         (Sized_relobj_incr::invalid_address): Move to base class.
129         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
130         class.
131         (Sized_relobj_incr::do_output_section_offset): Likewise.
132         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
133         (Sized_relobj_incr::section_offsets_): Likewise.
134         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
135         function.
136         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
137         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
138         with accessor function.
139         (Sized_relobj_file::do_layout): Likewise.
140         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
141         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
142         (Sized_relobj_file::compute_final_local_value): Replace refs to
143         section_offsets_ with accessor function.
144         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
145         * object.h (Relobj::Relobj): Initialize new data members.
146         (Relobj::add_dyn_reloc): New function.
147         (Relobj::first_dyn_reloc): New function.
148         (Relobj::dyn_reloc_count): New function.
149         (Relobj::first_dyn_reloc_): New data member.
150         (Relobj::dyn_reloc_count_): New data member.
151         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
152         references.
153         (Sized_relobj::Address): New typedef.
154         (Sized_relobj::invalid_address): Move here from child class.
155         (Sized_relobj::Sized_relobj): Initialize new data members.
156         (Sized_relobj::sized_relobj): New function.
157         (Sized_relobj::is_output_section_offset_invalid): Move here from
158         child class.
159         (Sized_relobj::get_output_section_offset): Likewise.
160         (Sized_relobj::local_has_got_offset): Likewise.
161         (Sized_relobj::local_got_offset): Likewise.
162         (Sized_relobj::set_local_got_offset): Likewise.
163         (Sized_relobj::do_for_all_local_got_entries): Likewise.
164         (Sized_relobj::clear_got_offsets): New function.
165         (Sized_relobj::section_offsets): Move here from child class.
166         (Sized_relobj::do_output_section_offset): Likewise.
167         (Sized_relobj::do_set_section_offset): Likewise.
168         (Sized_relobj::Local_got_offsets): Likewise.
169         (Sized_relobj::local_got_offsets_): Likewise.
170         (Sized_relobj::section_offsets_): Likewise.
171         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
172         references.
173         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
174         class.
175         (Sized_relobj_file::sized_relobj): New function
176         (Sized_relobj_file::local_has_got_offset): Move to base class.
177         (Sized_relobj_file::local_got_offset): Likewise.
178         (Sized_relobj_file::set_local_got_offset): Likewise.
179         (Sized_relobj_file::get_output_section_offset): Likewise.
180         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
181         (Sized_relobj_file::do_output_section_offset): Likewise.
182         (Sized_relobj_file::do_set_section_offset): Likewise.
183         (Sized_relobj_file::Local_got_offsets): Likewise.
184         (Sized_relobj_file::local_got_offsets_): Likewise.
185         (Sized_relobj_file::section_offsets_): Likewise.
186         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
187         (all constructors).
188         (set_needs_dynsym_index): Convert relobj to derived class pointer.
189         (Output_reloc::get_symbol_index): Likewise.
190         (Output_reloc::local_section_offset): Likewise.
191         (Output_reloc::get_address): Likewise.
192         (Output_reloc::symbol_value): Likewise.
193         (Output_data_got::reserve_slot): Move to class definition.
194         (Output_data_got::reserve_local): New function.
195         (Output_data_got::reserve_slot_for_global): Remove.
196         (Output_data_got::reserve_global): New function.
197         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
198         (all constructors, two instantiations).
199         (Output_reloc::get_relobj): New function (two instantiations).
200         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
201         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
202         (Output_data_reloc::add_global): Adjust type of relobj.
203         (Output_data_reloc::add_global_relative): Likewise.
204         (Output_data_reloc::add_symbolless_global_addend): Likewise.
205         (Output_data_reloc::add_local): Likewise.
206         (Output_data_reloc::add_local_relative): Likewise.
207         (Output_data_reloc::add_symbolless_local_addend): Likewise.
208         (Output_data_reloc::add_local_section): Likewise.
209         (Output_data_reloc::add_output_section): Likewise.
210         (Output_data_reloc::add_absolute): Likewise.
211         (Output_data_reloc::add_target_specific): Likewise.
212         (Output_data_got::reserve_slot): Move definition here.
213         (Output_data_got::reserve_local): New function.
214         (Output_data_got::reserve_global): New function.
215         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
216         section_offsets_ with accessor function.
217         (Sized_relobj_file::write_sections): Likewise.
218         (Sized_relobj_file::do_relocate_sections): Likewise.
219         * target.h (Sized_target::reserve_local_got_entry): New function.
220         (Sized_target::reserve_global_got_entry): New function.
221         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
222         (Target_x86_64::reserve_global_got_entry): New function.
223         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
224
225 2011-05-23 Cary Coutant  <ccoutant@google.com>
226
227         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
228         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
229         bit when checking got_type.
230         * incremental.cc (Sized_incremental_binary::setup_readers):
231         Store symbol table and string table locations; initialize bit vector
232         of file status flags.
233         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
234         unchanged files.
235         (Sized_incremental_binary::do_process_got_plt): New function.
236         (Sized_incremental_binary::get_symtab_view): Use stored locations.
237         (Output_section_incremental_inputs::set_final_data_size): Record
238         file index for each input file.
239         (Output_section_incremental_inputs::write_got_plt): Store file index
240         instead of input entry offset for each GOT entry.
241         * incremental.h
242         (Incremental_input_entry::Incremental_input_entry): Initialize new
243         data member.
244         (Incremental_input_entry::set_offset): Store file index.
245         (Incremental_input_entry::get_file_index): New function.
246         (Incremental_input_entry::file_index_): New data member.
247         (Incremental_binary::process_got_plt): New function.
248         (Incremental_binary::do_process_got_plt): New function.
249         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
250         data members.
251         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
252         (Sized_incremental_binary::set_file_is_unchanged): New function.
253         (Sized_incremental_binary::file_is_unchanged): New function.
254         (Sized_incremental_binary::do_process_got_plt): New function.
255         (Sized_incremental_binary::file_status_): New data member.
256         (Sized_incremental_binary::main_symtab_loc_): New data member.
257         (Sized_incremental_binary::main_strtab_loc_): New data member.
258         * output.cc (Output_data_got::Got_entry::write): Add case
259         RESERVED_CODE.
260         (Output_data_got::add_global): Call add_got_entry.
261         (Output_data_got::add_global_plt): Likewise.
262         (Output_data_got::add_global_with_rel): Likewise.
263         (Output_data_got::add_global_with_rela): Likewise.
264         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
265         (Output_data_got::add_global_pair_with_rela): Likewise.
266         (Output_data_got::add_local): Call add_got_entry.
267         (Output_data_got::add_local_plt): Likewise.
268         (Output_data_got::add_local_with_rel): Likewise.
269         (Output_data_got::add_local_with_rela): Likewise.
270         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
271         (Output_data_got::add_local_pair_with_rela): Likewise.
272         (Output_data_got::reserve_slot): New function.
273         (Output_data_got::reserve_slot_for_global): New function.
274         (Output_data_got::add_got_entry): New function.
275         (Output_data_got::add_got_entry_pair): New function.
276         (Output_section::add_output_section_data): Edit FIXME.
277         * output.h
278         (Output_section_data_build::Output_section_data_build): New
279         constructor with size parameter.
280         (Output_data_space::Output_data_space): Likewise.
281         (Output_data_got::Output_data_got): Initialize new data member; new
282         constructor with size parameter.
283         (Output_data_got::add_constant): Call add_got_entry.
284         (Output_data_got::reserve_slot): New function.
285         (Output_data_got::reserve_slot_for_global): New function.
286         (class Output_data_got::Got_entry): Add RESERVED_CODE.
287         (Output_data_got::add_got_entry): New function.
288         (Output_data_got::add_got_entry_pair): New function.
289         (Output_data_got::free_list_): New data member.
290         * target.h (Sized_target::init_got_plt_for_update): New function.
291         (Sized_target::register_global_plt_entry): New function.
292         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
293         Initialize new data member; call init; add constructor with PLT count.
294         (Output_data_plt_x86_64::init): New function.
295         (Output_data_plt_x86_64::add_relocation): New function.
296         (Output_data_plt_x86_64::reserve_slot): New function.
297         (Output_data_plt_x86_64::free_list_): New data member.
298         (Target_x86_64::init_got_plt_for_update): New function.
299         (Target_x86_64::register_global_plt_entry): New function.
300         (Output_data_plt_x86_64::add_entry): Allocate from free list for
301         incremental updates.
302         (Output_data_plt_x86_64::add_relocation): New function.
303         * testsuite/object_unittest.cc (Object_test): Set default options.
304
305 2011-05-16  Ian Lance Taylor  <iant@google.com>
306
307         * options.h (class General_options): Make -i a synonym for -r.
308
309 2011-05-16  Ian Lance Taylor  <iant@google.com>
310
311         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
312
313 2011-05-10 Cary Coutant  <ccoutant@google.com>
314
315         * object.cc (Sized_relobj::do_count_local_symbols): Check for
316         strip_all (-s).
317
318 2011-05-06  Ian Lance Taylor  <iant@google.com>
319
320         * layout.cc (Layout::layout): If the output section flags change,
321         update the ordering.
322
323 2011-04-25 Cary Coutant  <ccoutant@google.com>
324
325         * incremental-dump.cc (dump_incremental_inputs): Print local
326         symbol info for each input file.
327         * incremental.cc
328         (Output_section_incremental_inputs::set_final_data_size): Add local
329         symbol info to input file entries in incremental info.
330         (Output_section_incremental_inputs::write_info_blocks): Likewise.
331         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
332         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
333         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
334         implementation.
335         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
336         (Sized_incr_relobj::do_relocate): Write the local symbols.
337         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
338         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
339         Adjust size of input file header.
340         (Incremental_inputs_reader::get_local_symbol_offset): New function.
341         (Incremental_inputs_reader::get_local_symbol_count): New function.
342         (Incremental_inputs_reader::get_input_section): Adjust size of input
343         file header.
344         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
345         (Sized_incr_relobj::This): New typedef.
346         (Sized_incr_relobj::sym_size): New const data member.
347         (Sized_incr_relobj::Local_symbol): New struct.
348         (Sized_incr_relobj::do_output_local_symbol_count): New function.
349         (Sized_incr_relobj::do_local_symbol_offset): New function.
350         (Sized_incr_relobj::local_symbol_count_): New data member.
351         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
352         (Sized_incr_relobj::local_symbol_index_): New data member.
353         (Sized_incr_relobj::local_symbol_offset_): New data member.
354         (Sized_incr_relobj::local_dynsym_offset_): New data member.
355         (Sized_incr_relobj::local_symbols_): New data member.
356         * object.h (Relobj::output_local_symbol_count): New function.
357         (Relobj::local_symbol_offset): New function.
358         (Relobj::do_output_local_symbol_count): New function.
359         (Relobj::do_local_symbol_offset): New function.
360         (Sized_relobj::do_output_local_symbol_count): New function.
361         (Sized_relobj::do_local_symbol_offset): New function.
362
363 2011-04-22  Vladimir Simonov  <sv@sw.ru>
364
365         * descriptors.cc (set_close_on_exec): New function.
366         (Descriptors::open): Use set_close_on_exec.
367         * output.cc (S_ISLNK): Define if not defined.
368
369 2011-04-22 Cary Coutant  <ccoutant@google.com>
370
371         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
372         global symbol map.
373         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
374         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
375         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
376         relocations.
377         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
378         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
379         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
380         * incremental.h
381         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
382         function.
383         (Incremental_binary::apply_incremental_relocs): New function.
384         (Incremental_binary::do_apply_incremental_relocs): New function.
385         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
386         data member.
387         (Sized_incremental_binary::add_global_symbol): New function.
388         (Sized_incremental_binary::global_symbol): New function.
389         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
390         (Sized_incremental_binary::symbol_map_): New data member.
391         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
392         * target.h (Sized_target::apply_relocation): New function.
393         * target-reloc.h (apply_relocation): New function.
394         * x86_64.cc (Target_x86_64::apply_relocation): New function.
395
396 2011-04-22  Doug Kwan  <dougkwan@google.com>
397
398         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
399         flag of a SHT_ARM_EXIDX section.
400         * testsuite/Makefile.am (arm_exidx_test): New test rules.
401         * testsuite/Makefile.in: Regenerate.
402         * testsuite/arm_exidx_test.s: New file.
403         * testsuite/arm_exidx_test.sh: Same.
404
405 2011-04-20 Cary Coutant  <ccoutant@google.com>
406
407         PR gold/12689
408         * archive.h (Incremental_archive_entry::Archive_member):
409         Initialize arg_serial_ (second constructor).
410
411 2011-04-17  Ian Lance Taylor  <iant@google.com>
412
413         * object.cc (Relocate_info::location): Simplify location string.
414         * errors.cc (Errors::error_at_location): Don't print program
415         name.
416         (Errors::warning_at_location): Likewise.
417         (Errors::undefined_symbol): Likewise.
418         * testsuite/debug_msg.sh: Update accordingly.
419
420 2011-04-14 Cary Coutant  <ccoutant@google.com>
421
422         * gold/layout.cc (Layout::symtab_section_offset): New function.
423         * gold/layout.h (Layout::symtab_section_offset): New function.
424         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
425
426 2011-04-12  Ian Lance Taylor  <iant@google.com>
427
428         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
429         with MREMAP_MAYMOVE.
430         * output.h (class Output_file): Add map_is_allocated_ field.
431         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
432         not available, provide stubs.  If mremap is not available, #define
433         it to gold_mremap.
434         (MREMAP_MAYMOVE): Define if not defined.
435         (Output_file::Output_file): Initialize map_is_allocated_.
436         (Output_file::resize): Check map_is_allocated_.
437         (Output_file::map_anonymous): If mmap fails, use malloc.
438         (Output_file::unmap): Don't do anything for an anonymous map.
439         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
440         is not available, provide stubs.
441         (File_read::View::~View): Use free rather than delete[].
442         (File_read::make_view): Use malloc rather than new[].  If mmap
443         fails, use malloc.
444         (File_read::find_or_make_view): Use malloc rather than new[].
445         * gold.h: Remove HAVE_REMAP code.
446         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
447         exists.  Rename mremap to gold_mremap.  If mmap is not available
448         don't do anything.
449         * configure, config.in: Rebuild.
450
451 2011-04-11  Ian Lance Taylor  <iant@google.com>
452
453         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
454         initialize local variable v.
455
456 2011-04-11  Cary Coutant  <ccoutant@google.com>
457
458         * archive.cc (Archive::include_member): Adjust call to
459         report_object.
460         (Add_archive_symbols::run): Track argument serial numbers.
461         (Lib_group::include_member): Likewise.
462         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
463         * archive.h (Incremental_archive_entry::Archive_member):
464         Initialize arg_serial_.
465         (Archive_member::arg_serial_): New data member.
466         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
467         (Sized_dynobj::do_add_symbols): Track symbols when doing an
468         incremental link.
469         (Sized_dynobj::do_for_all_local_got_entries): New function.
470         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
471         function.
472         * fileread.cc (get_mtime): New function.
473         * fileread.h (get_mtime): New function.
474         * gold.cc (queue_initial_tasks): Check for incremental update.
475         (process_incremental_input): New function.
476         (queue_middle_tasks): Don't force valid target for incremental
477         update.
478         * incremental-dump.cc (find_input_containing_global): Adjust
479         size of symbol info entry.
480         (dump_incremental_inputs): Dump argument serial number and
481         in_system_directory flag; bias shndx by 1; print symbol names
482         when dumping per-file symbol lists; use new symbol info readers.
483         * incremental.cc
484         (Output_section_incremental_inputs:update_data_size): New function.
485         (Sized_incremental_binary::setup_readers): Setup input readers
486         for each input file; build maps for files added from libraries
487         and scripts.
488         (Sized_incremental_binary::check_input_args): New function.
489         (Sized_incremental_binary::do_check_inputs): Build map of argument
490         serial numbers to input arguments.
491         (Sized_incremental_binary::do_file_has_changed): Rename
492         do_file_is_unchanged to this; compare file modification times.
493         (Sized_incremental_binary::do_init_layout): New function.
494         (Sized_incremental_binary::do_reserve_layout): New function.
495         (Sized_incremental_binary::do_get_input_reader): Remove.
496         (Sized_incremental_binary::get_symtab_view): New function.
497         (Incremental_checker::can_incrementally_link_output_file): Remove.
498         (Incremental_inputs::report_command_line): Exclude --debug options.
499         (Incremental_inputs::report_archive_begin): Add parameter; track
500         argument serial numbers; don't put input file entry for archive
501         before archive members.
502         (Incremental_inputs::report_archive_end): Put input file entry
503         for archive after archive members.
504         (Incremental_inputs::report_object): Add parameter; track argument
505         serial numbers and in_system_directory flag.
506         (Incremental_inputs::report_script): Add parameter; track argument
507         serial numbers.
508         (Output_section_incremental_inputs::set_final_data_size): Adjust
509         size of symbol info entry; check for forwarding symbols.
510         (Output_section_incremental_inputs::write_input_files): Write
511         in_system_directory flag and argument serial number.
512         (Output_section_incremental_inputs::write_info_blocks): Map section
513         indices between incremental info and original input file; store
514         input section index for each symbol.
515         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
516         change operator() to visit().
517         (class Global_got_offset_visitor): Likewise.
518         (class Global_symbol_visitor_got_plt):
519         (Output_section_incremental_inputs::write_got_plt): Use new visitor
520         classes.
521         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
522         (Sized_incr_relobj::do_read_symbols): New function.
523         (Sized_incr_relobj::do_layout): New function.
524         (Sized_incr_relobj::do_layout_deferred_sections): New function.
525         (Sized_incr_relobj::do_add_symbols): New function.
526         (Sized_incr_relobj::do_should_include_member): New function.
527         (Sized_incr_relobj::do_for_all_global_symbols): New function.
528         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
529         (Sized_incr_relobj::do_section_size): New function.
530         (Sized_incr_relobj::do_section_name): New function.
531         (Sized_incr_relobj::do_section_contents): New function.
532         (Sized_incr_relobj::do_section_flags): New function.
533         (Sized_incr_relobj::do_section_entsize): New function.
534         (Sized_incr_relobj::do_section_address): New function.
535         (Sized_incr_relobj::do_section_type): New function.
536         (Sized_incr_relobj::do_section_link): New function.
537         (Sized_incr_relobj::do_section_info): New function.
538         (Sized_incr_relobj::do_section_addralign): New function.
539         (Sized_incr_relobj::do_initialize_xindex): New function.
540         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
541         (Sized_incr_relobj::do_read_relocs): New function.
542         (Sized_incr_relobj::do_gc_process_relocs): New function.
543         (Sized_incr_relobj::do_scan_relocs): New function.
544         (Sized_incr_relobj::do_count_local_symbols): New function.
545         (Sized_incr_relobj::do_finalize_local_symbols): New function.
546         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
547         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
548         (Sized_incr_relobj::do_relocate): New function.
549         (Sized_incr_relobj::do_set_section_offset): New function.
550         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
551         (Sized_incr_dynobj::do_read_symbols): New function.
552         (Sized_incr_dynobj::do_layout): New function.
553         (Sized_incr_dynobj::do_add_symbols): New function.
554         (Sized_incr_dynobj::do_should_include_member): New function.
555         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
556         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
557         (Sized_incr_dynobj::do_section_size): New function.
558         (Sized_incr_dynobj::do_section_name): New function.
559         (Sized_incr_dynobj::do_section_contents): New function.
560         (Sized_incr_dynobj::do_section_flags): New function.
561         (Sized_incr_dynobj::do_section_entsize): New function.
562         (Sized_incr_dynobj::do_section_address): New function.
563         (Sized_incr_dynobj::do_section_type): New function.
564         (Sized_incr_dynobj::do_section_link): New function.
565         (Sized_incr_dynobj::do_section_info): New function.
566         (Sized_incr_dynobj::do_section_addralign): New function.
567         (Sized_incr_dynobj::do_initialize_xindex): New function.
568         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
569         (make_sized_incremental_object): New function.
570         (Incremental_library::copy_unused_symbols): New function.
571         (Incremental_library::do_for_all_unused_symbols): New function.
572         * incremental.h (enum Incremental_input_flags): New type.
573         (class Incremental_checker): Remove.
574         (Incremental_input_entry::Incremental_input_entry): Add argument
575         serial number.
576         (Incremental_input_entry::arg_serial): New function.
577         (Incremental_input_entry::set_is_in_system_directory): New function.
578         (Incremental_input_entry::is_in_system_directory): New function.
579         (Incremental_input_entry::arg_serial_): New data member.
580         (Incremental_input_entry::is_in_system_directory_): New data member.
581         (class Script_info): Move here from script.h.
582         (Script_info::Script_info): Add filename parameter.
583         (Script_info::filename): New function.
584         (Script_info::filename_): New data member.
585         (Incremental_script_entry::Incremental_script_entry): Add argument
586         serial number.
587         (Incremental_object_entry::Incremental_object_entry): Likewise.
588         (Incremental_object_entry::add_input_section): Build list of input
589         sections with map to original shndx.
590         (Incremental_object_entry::get_input_section_index): New function.
591         (Incremental_object_entry::shndx_): New data member.
592         (Incremental_object_entry::name_key_): Rename; adjust all refs.
593         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
594         (Incremental_archive_entry::Incremental_archive_entry): Add argument
595         serial number.
596         (Incremental_inputs::report_archive_begin): Likewise.
597         (Incremental_inputs::report_object): Likewise.
598         (Incremental_inputs::report_script): Likewise.
599         (class Incremental_global_symbol_reader): New class.
600         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
601         and store flags and input file type.
602         (Incremental_input_entry_reader::arg_serial): New function.
603         (Incremental_input_entry_reader::type): Extract type from flags.
604         (Incremental_input_entry_reader::is_in_system_directory): New function.
605         (Incremental_input_entry_reader::get_input_section_count): Call
606         accessor function for type.
607         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
608         function for type; adjust size of global symbol entry.
609         (Incremental_input_entry_reader::get_global_symbol_count): Call
610         accessor function for type.
611         (Incremental_input_entry_reader::get_object_count): Likewise.
612         (Incremental_input_entry_reader::get_object_offset): Likewise.
613         (Incremental_input_entry_reader::get_member_count): Likewise.
614         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
615         (Incremental_input_entry_reader::get_member_offset): Likewise.
616         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
617         (Incremental_input_entry_reader::Global_symbol_info): Remove.
618         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
619         (Incremental_input_entry_reader::get_global_symbol_reader): New
620         function.
621         (Incremental_input_entry_reader::get_output_symbol_index): New
622         function.
623         (Incremental_input_entry_reader::type_): Remove.
624         (Incremental_input_entry_reader::flags_): New data member.
625         (Incremental_inputs_reader::input_file_offset): New function.
626         (Incremental_inputs_reader::input_file_index): New function.
627         (Incremental_inputs_reader::input_file): Call input_file_offset.
628         (Incremental_inputs_reader::input_file_at_offset): New function.
629         (Incremental_relocs_reader::get_r_type): Reformat.
630         (Incremental_relocs_reader::get_r_shndx): Reformat.
631         (Incremental_relocs_reader::get_r_offset): Reformat.
632         (Incremental_relocs_reader::data): New function.
633         (Incremental_binary::Incremental_binary): Initialize new data members.
634         (Incremental_binary::check_inputs): Add cmdline parameter.
635         (Incremental_binary::file_is_unchanged): Remove.
636         (Input_reader::arg_serial): New function.
637         (Input_reader::get_unused_symbol_count): New function.
638         (Input_reader::get_unused_symbol): New function.
639         (Input_reader::do_arg_serial): New function.
640         (Input_reader::do_get_unused_symbol_count): New function.
641         (Input_reader::do_get_unused_symbol): New function.
642         (Incremental_binary::input_file_count): New function.
643         (Incremental_binary::get_input_reader): Change signature to use
644         index instead of filename.
645         (Incremental_binary::file_has_changed): New function.
646         (Incremental_binary::get_input_argument): New function.
647         (Incremental_binary::get_library): New function.
648         (Incremental_binary::get_script_info): New function.
649         (Incremental_binary::init_layout): New function.
650         (Incremental_binary::reserve_layout): New function.
651         (Incremental_binary::output_file): New function.
652         (Incremental_binary::do_check_inputs): New function.
653         (Incremental_binary::do_file_is_unchanged): Remove.
654         (Incremental_binary::do_file_has_changed): New function.
655         (Incremental_binary::do_init_layout): New function.
656         (Incremental_binary::do_reserve_layout): New function.
657         (Incremental_binary::do_input_file_count): New function.
658         (Incremental_binary::do_get_input_reader): Change signature.
659         (Incremental_binary::input_args_map_): New data member.
660         (Incremental_binary::library_map_): New data member.
661         (Incremental_binary::script_map_): New data member.
662         (Sized_incremental_binary::Sized_incremental_binary): Initialize
663         new data members.
664         (Sized_incremental_binary::output_section): New function.
665         (Sized_incremental_binary::inputs_reader): Add const.
666         (Sized_incremental_binary::symtab_reader): Add const.
667         (Sized_incremental_binary::relocs_reader): Add const.
668         (Sized_incremental_binary::got_plt_reader): Add const.
669         (Sized_incremental_binary::get_symtab_view): New function.
670         (Sized_incremental_binary::Inputs_reader): New typedef.
671         (Sized_incremental_binary::Input_entry_reader): New typedef.
672         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
673         (Sized_incremental_binary::do_file_is_unchanged): Remove.
674         (Sized_incremental_binary::do_file_has_changed): New function.
675         (Sized_incremental_binary::do_init_layout): New function.
676         (Sized_incremental_binary::do_reserve_layout): New function.
677         (Sized_input_reader::Inputs_reader): Remove.
678         (Sized_input_reader::Input_entry_reader): Remove.
679         (Sized_input_reader::do_arg_serial): New function.
680         (Sized_input_reader::do_get_unused_symbol_count): New function.
681         (Sized_input_reader::do_get_unused_symbol): New function.
682         (Sized_incremental_binary::do_input_file_count): New function.
683         (Sized_incremental_binary::do_get_input_reader): Change signature;
684         use index instead of filename.
685         (Sized_incremental_binary::section_map_): New data member.
686         (Sized_incremental_binary::input_entry_readers_): New data member.
687         (class Sized_incr_relobj): New class.
688         (class Sized_incr_dynobj): New class.
689         (make_sized_incremental_object): New function.
690         (class Incremental_library): New class.
691         * layout.cc (Free_list::num_lists): New static data member.
692         (Free_list::num_nodes): New static data member.
693         (Free_list::num_removes): New static data member.
694         (Free_list::num_remove_visits): New static data member.
695         (Free_list::num_allocates): New static data member.
696         (Free_list::num_allocate_visits): New static data member.
697         (Free_list::init): New function.
698         (Free_list::remove): New function.
699         (Free_list::allocate): New function.
700         (Free_list::dump): New function.
701         (Free_list::print_stats): New function.
702         (Layout_task_runner::run): Resize output file for incremental updates.
703         (Layout::Layout): Initialize new data members.
704         (Layout::set_incremental_base): New function.
705         (Layout::init_fixed_output_section): New function.
706         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
707         incremental updates.
708         (Layout::create_gold_note): Do not create gold note section for
709         incremental updates.
710         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
711         for incremental updates.
712         (Layout::set_section_offsets): For incremental updates, allocate space
713         from free list.
714         (Layout::create_symtab_sections): Layout with offsets relative to
715         start of section; for incremental updates, allocate space from free
716         list.
717         (Layout::create_shdrs): For incremental updates, allocate space from
718         free list.
719         (Layout::finish_dynamic_section): For incremental updates, do not
720         check --as-needed (fixed in subsequent patch).
721         * layout.h (class Free_list): New class.
722         (Layout::set_incremental_base): New function.
723         (Layout::incremental_base): New function.
724         (Layout::init_fixed_output_section): New function.
725         (Layout::allocate): New function.
726         (Layout::incremental_base_): New data member.
727         (Layout::free_list_): New data member.
728         * main.cc (main): Print Free_list statistics.
729         * object.cc (Relobj::finalize_incremental_relocs): Add
730         clear_counts parameter; clear counts only when clear_counts is set.
731         (Sized_relobj::Sized_relobj): Initialize new base class.
732         (Sized_relobj::do_layout): Don't report special sections.
733         (Sized_relobj::do_for_all_local_got_entries): New function.
734         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
735         symtab_off to all symbol table offsets.
736         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
737         * object.h (class Got_offset_list): Move to top of file.
738         (Object::Object): Allow case where input_file == NULL.
739         (Object::~Object): Likewise.
740         (Object::input_file): Assert that input_file != NULL.
741         (Object::lock): Allow case where input_file == NULL.
742         (Object::unlock): Likewise.
743         (Object::is_locked): Likewise.
744         (Object::token): Likewise.
745         (Object::release): Likewise.
746         (Object::is_incremental): New function.
747         (Object::get_mtime): New function.
748         (Object::for_all_local_got_entries): New function.
749         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
750         (Object::set_is_in_system_directory): New function.
751         (Object::is_in_system_directory): New function.
752         (Object::do_is_incremental): New function.
753         (Object::do_get_mtime): New function.
754         (Object::do_for_all_local_got_entries): New function.
755         (Object::is_in_system_directory_): New data member.
756         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
757         (class Sized_relobj_base): New class.
758         (class Sized_relobj): Derive from Sized_relobj_base.
759         (class Sized_relobj::Symbols): Redeclare from base class.
760         (class Sized_relobj::local_got_offset_list): Remove.
761         (class Sized_relobj::Output_sections): Redeclare from base class.
762         (class Sized_relobj::do_for_all_local_got_entries): New function.
763         (class Sized_relobj::write_local_symbols): Add offset parameter.
764         (class Sized_relobj::local_symbol_offset_): Update comment.
765         (class Sized_relobj::local_dynsym_offset_): Update comment.
766         * options.cc (Input_arguments::add_file): Remove const.
767         * options.h (Input_file_argument::Input_file_argument):
768         Initialize arg_serial_ (all constructors).
769         (Input_file_argument::set_arg_serial): New function.
770         (Input_file_argument::arg_serial): New function.
771         (Input_file_argument::arg_serial_): New data member.
772         (Input_arguments::Input_arguments): Initialize file_count_.
773         (Input_arguments::add_file): Remove const.
774         (Input_arguments::number_of_input_files): New function.
775         (Input_arguments::file_count_): New data member.
776         (Command_line::number_of_input_files): Call
777         Input_arguments::number_of_input_files.
778         * output.cc (Output_segment_headers::Output_segment_headers):
779         Set current size.
780         (Output_section::Input_section::current_data_size): New function.
781         (Output_section::Output_section): Initialize new data members.
782         (Output_section::add_input_section): Don't do merge sections for
783         an incremental link; allocate space from free list for an
784         incremental update.
785         (Output_section::add_output_section_data): Allocate space from
786         free list for an incremental update.
787         (Output_section::update_data_size): New function.
788         (Output_section::set_fixed_layout): New function.
789         (Output_section::reserve): New function.
790         (Output_segment::set_section_addresses): Remove const.
791         (Output_segment::set_section_list_addresses): Remove const; allocate
792         space from free list for an incremental update.
793         (Output_segment::set_offset): Adjust size of RELRO segment for an
794         incremental update.
795         * output.h (Output_data::current_data_size): Move here from
796         child classes.
797         (Output_data::pre_finalize_data_size): New function.
798         (Output_data::update_data_size): New function.
799         (Output_section_headers::update_data_size): new function.
800         (Output_section_data_build::current_data_size): Move to Output_data.
801         (Output_data_strtab::update_data_size): New function.
802         (Output_section::current_data_size): Move to Output_data.
803         (Output_section::set_fixed_layout): New function.
804         (Output_section::has_fixed_layout): New function.
805         (Output_section::reserve): New function.
806         (Output_section::update_data_size): New function.
807         (Output_section::has_fixed_layout_): New data member.
808         (Output_section::free_list_): New data member.
809         (Output_segment::set_section_addresses): Remove const.
810         (Output_segment::set_section_list_addresses): Remove const.
811         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
812         New function.
813         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
814         New function.
815         * readsyms.cc (Read_symbols::do_read_symbols): Add library
816         parameter when calling Add_symbols constructor; store argument
817         serial number for members of a lib group.
818         (Add_symbols::locks): Allow case where token == NULL.
819         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
820         (Read_member::~Read_member): New function.
821         (Read_member::is_runnable): New function.
822         (Read_member::locks): New function.
823         (Read_member::run): New function.
824         (Check_script::~Check_script): New function.
825         (Check_script::is_runnable): New function.
826         (Check_script::locks): New function.
827         (Check_script::run): New function.
828         (Check_library::~Check_library): New function.
829         (Check_library::is_runnable): New function.
830         (Check_library::locks): New function.
831         (Check_library::run): New function.
832         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
833         (Add_symbols::library_): New data member.
834         (class Read_member): New class.
835         (class Check_script): New class.
836         (class Check_library): New class.
837         * reloc.cc (Read_relocs::is_runnable): Allow case where
838         token == NULL.
839         (Read_relocs::locks): Likewise.
840         (Scan_relocs::locks): Likewise.
841         (Relocate_task::locks): Likewise.
842         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
843         to clear counters.
844         (Sized_relobj::incremental_relocs_scan): Fix comment.
845         (Sized_relobj::do_relocate): Pass output file offset to
846         write_local_symbols.
847         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
848         from class declaration.
849         * script.cc (read_input_script): Allocate Script_info; pass
850         argument serial number to report_script.
851         * script.h (class Script_info): Move to incremental.h.
852         * symtab.cc (Symbol_table::add_from_incrobj): New function.
853         * symtab.h (Symbol_table::add_from_incrobj): New function.
854         (Symbol_table::set_file_offset): New function.
855
856 2011-04-05  Cary Coutant  <ccoutant@google.com>
857
858         * incremental-dump.cc (dump_incremental_inputs): Change signature
859         to take a Sized_incremental_binary; change caller.  Use readers
860         in Sized_incremental_binary.
861         * incremental.cc
862         (Sized_incremental_binary::find_incremental_inputs_sections):
863         Rename do_find_incremental_inputs_sections to this.
864         (Sized_incremental_binary::setup_readers): New function.
865         (Sized_incremental_binary::do_check_inputs): Check
866         has_incremental_info_ flag; move setup code to setup_readers;
867         use input readers.
868         (Sized_incremental_binary::do_file_is_unchanged): New function.
869         (Sized_incremental_binary::do_get_input_reader): New function.
870         * incremental.h (class Incremental_binary): Move to end of file.
871         (Incremental_binary::file_is_unchanged): New function.
872         (Incremental_binary::do_file_is_unchanged): New function.
873         (Incremental_binary::Input_reader): New class.
874         (Incremental_binary::get_input_reader): New function.
875         (class Sized_incremental_binary): Move to end of file.
876         (Sized_incremental_binary::Sized_incremental_binary): Setup the
877         input section reader classes.
878         (Sized_incremental_binary::has_incremental_info): New function.
879         (Sized_incremental_binary::inputs_reader): New function.
880         (Sized_incremental_binary::symtab_reader): New function.
881         (Sized_incremental_binary::relocs_reader): New function.
882         (Sized_incremental_binary::got_plt_reader): New function.
883         (Sized_incremental_binary::do_file_is_unchanged): New function.
884         (Sized_incremental_binary::Sized_input_reader): New class.
885         (Sized_incremental_binary::get_input_reader): New function.
886         (Sized_incremental_binary::find_incremental_inputs_sections):
887         Rename do_find_incremental_inputs_sections to this.
888         (Sized_incremental_binary::setup_readers): New function.
889         (Sized_incremental_binary::has_incremental_info_): New data member.
890         (Sized_incremental_binary::inputs_reader_): New data member.
891         (Sized_incremental_binary::symtab_reader_): New data member.
892         (Sized_incremental_binary::relocs_reader_): New data member.
893         (Sized_incremental_binary::got_plt_reader_): New data member.
894         (Sized_incremental_binary::current_input_file_): New data member.
895
896 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
897
898         PR gold/12640
899         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
900         violation.
901
902 2011-03-30  Cary Coutant  <ccoutant@google.com>
903
904         * archive.cc (Archive::include_member): Adjust call to report_object.
905         (Add_archive_symbols::run): Add script_info to call to
906         report_archive_begin.
907         (Lib_group::include_member): Adjust call to report_object.
908         (Add_lib_group_symbols::run): Adjust call to report_object.
909         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
910         blocks.  Add object count for script input files.
911         * incremental.cc (Incremental_inputs::report_archive_begin): Add
912         script_info parameter; change all callers.
913         (Incremental_inputs::report_object): Add script_info parameter;
914         change all callers.
915         (Incremental_inputs::report_script): Store backpointer to
916         incremental info entry.
917         (Output_section_incremental_inputs::set_final_data_size): Record
918         additional information for scripts.
919         (Output_section_incremental_inputs::write_info_blocks): Likewise.
920         * incremental.h (Incremental_script_entry::add_object): New function.
921         (Incremental_script_entry::get_object_count): New function.
922         (Incremental_script_entry::get_object): New function.
923         (Incremental_script_entry::objects_): New data member; adjust
924         constructor.
925         (Incremental_inputs::report_archive_begin): Add script_info parameter.
926         (Incremental_inputs::report_object): Add script_info parameter.
927         (Incremental_inputs_reader::get_object_count): New function.
928         (Incremental_inputs_reader::get_object_offset): New function.
929         * options.cc (Input_arguments::add_file): Return reference to
930         new input argument.
931         * options.h (Input_argument::set_script_info): New function.
932         (Input_argument::script_info): New function.
933         (Input_argument::script_info_): New data member; adjust all
934         constructors.
935         (Input_file_group::add_file): Return reference to new input argument.
936         (Input_file_lib::add_file): Likewise.
937         (Input_arguments::add_file): Likewise.
938         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
939         * script.cc (Parser_closure::Parser_closure): Add script_info
940         parameter; adjust all callers.
941         (Parser_closure::script_info): New function.
942         (Parser_closure::script_info_): New data member.
943         (read_input_script): Report scripts earlier to incremental info.
944         (script_add_file): Set script_info in Input_argument.
945         (script_add_library): Likewise.
946         * script.h (Script_options::Script_info): Rewrite class.
947
948 2011-03-29  Cary Coutant  <ccoutant@google.com>
949
950         * archive.cc (Library_base::should_include_member): Move
951         method here from class Archive.
952         (Archive::Archive): Initialize base class.
953         (Archive::should_include_member): Move to base class.
954         (Archive::do_for_all_unused_symbols): New function.
955         (Add_archive_symbols::run): Remove redundant access to
956         incremental_inputs.
957         (Lib_group::Lib_group): Initialize base class.
958         (Lib_group::do_filename): New function.
959         (Lib_group::include_member): Pass pointer to Lib_group to
960         report_object.
961         (Lib_group::do_for_all_unused_symbols): New function.
962         (Add_lib_group_symbols::run): Report archive information for
963         incremental links.
964         * archive.h (class Library_base): New base class.
965         (class Archive): Derive from Library_base.
966         (Archive::filename): Move to base class.
967         (Archive::set_incremental_info): Likewise.
968         (Archive::incremental_info): Likewise.
969         (Archive::Should_include): Likewise.
970         (Archive::should_include_member): Likewise.
971         (Archive::Armap_entry): Remove.
972         (Archive::Unused_symbol_iterator): Remove.
973         (Archive::unused_symbols_begin): Remove.
974         (Archive::unused_symbols_end): Remove.
975         (Archive::do_filename): New function.
976         (Archive::do_get_mtime): New function.
977         (Archive::do_for_all_unused_symbols): New function.
978         (Archive::task_): Move to base class.
979         (Archive::incremental_info_): Likewise.
980         (class Lib_group): Derive from Library_base.
981         (Lib_group::do_filename): New function.
982         (Lib_group::do_get_mtime): New function.
983         (Lib_group::do_for_all_unused_symbols): New function.
984         (Lib_group::task_): Move to base class.
985         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
986         function.
987         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
988         function.
989         * incremental.cc (Incremental_inputs::report_archive_begin):
990         Use Library_base; call library's get_mtime; add incremental inputs
991         entry before members.
992         (class Unused_symbol_visitor): New class.
993         (Incremental_inputs::report_archive_end): Use Library_base; use
994         visitor class to record unused symbols; don't add incremental inputs
995         entry after members.
996         (Incremental_inputs::report_object): Use Library_base.
997         * incremental.h
998         (Incremental_archive_entry::Incremental_archive_entry): Remove
999         unused Archive parameter.
1000         (Incremental_inputs::report_archive_begin): Use Library_base.
1001         (Incremental_inputs::report_archive_end): Likewise.
1002         (Incremental_inputs::report_object): Likewise.
1003         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1004         function.
1005         * object.h (Object::for_all_global_symbols): New function.
1006         (Object::do_for_all_global_symbols): New function.
1007         (Sized_relobj::do_for_all_global_symbols): New function.
1008         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1009         function.
1010         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1011         function.
1012
1013 2011-03-27  Ian Lance Taylor  <iant@google.com>
1014
1015         * archive.cc (Archive::interpret_header): Return -1 if something
1016         goes wrong.  Change callers accordingly.
1017
1018 2011-03-25  Cary Coutant  <ccoutant@google.com>
1019
1020         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1021         * testsuite/Makefile.in: Regenerate.
1022
1023 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1024
1025         * plugin.cc (get_view): New.
1026         (Plugin::load): Pass get_view to the plugin.
1027         (Plugin_manager::get_view): New.
1028
1029 2011-03-21  Ian Lance Taylor  <iant@google.com>
1030
1031         * testsuite/final_layout.sh: Rewrite to not use dc.
1032         * testsuite/relro_test.sh: Fail if dc is not present.
1033
1034 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1035
1036         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1037         Change == to -eq.
1038         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1039         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1040         Change == to -eq.
1041         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1042         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1043
1044 2011-03-14  Ian Lance Taylor  <iant@google.com>
1045
1046         * script-sections.cc (Sort_output_sections::script_compare):
1047         Rename from is_before, change return type.
1048         (Sort_output_sections::operator()): Adjust accordingly.
1049
1050 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1051
1052         PR gold/12572
1053         * testsuite/odr_violation2.cc: Add comment to make all error line
1054         numbers double digits.
1055         * testsuite/debug_msg.sh: Adjust expected errors.
1056
1057 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1058
1059         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1060         but mark earlier ones as non-canonical
1061         (offset_to_iterator): Update search target and example
1062         (do_addr2line): Return extra lines in a vector*
1063         (format_file_lineno): Extract from do_addr2line
1064         (one_addr2line): Add vector* out-param
1065         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1066         when a lineno entry appeared last for its instruction
1067         (Dwarf_line_info): Add vector* out-param
1068         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1069         * symtab.cc (Odr_violation_compare): Include the lineno in the
1070         comparison again.
1071         (linenos_from_loc): New. Combine the canonical line for an
1072         address with its other lines.
1073         (True_if_intersect): New. Helper functor to make
1074         std::set_intersection a query.
1075         (detect_odr_violations): Compare sets of lines instead of just
1076         one line for each function. This became less deterministic, but
1077         has fewer false positives.
1078         * symtab.h: Declarations.
1079         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1080         mix an optimized and non-optimized object in the same binary
1081         (odr_violation2.so): Same.
1082         * testsuite/Makefile.in: Regenerate from Makefile.am.
1083         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1084         * testsuite/debug_msg.sh: Update line numbers and add
1085         assertions.
1086         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1087         non-optimized context.
1088         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1089         isn't inlined, and use OdrDerived in an optimized context.
1090         * testsuite/odr_header1.h: Defines OdrDerived, where
1091         optimization will change the
1092         first-instruction-in-the-destructor's file and line number.
1093         * testsuite/odr_header2.h: Defines OdrBase.
1094
1095 2011-03-09  Ian Lance Taylor  <iant@google.com>
1096
1097         * fileread.cc (File_read::clear_views): Don't delete the whole
1098         file view.
1099
1100 2011-03-08  Ian Lance Taylor  <iant@google.com>
1101
1102         PR gold/12525
1103         * fileread.cc: #include <climits>.
1104         (GOLD_IOV_MAX): Define.
1105         (File_read::read_multiple): Limit number of entries by iov_max.
1106         * fileread.h (class File_read): Always set max_readv_entries to
1107         128.
1108
1109 2011-03-07  Ian Lance Taylor  <iant@google.com>
1110
1111         PR gold/12525
1112         * options.h (class General_options): Add -dy and -dn.
1113
1114 2011-03-02  Cary Coutant  <ccoutant@google.com>
1115
1116         * testsuite/script_test_9.t: Add TLS segment.
1117
1118 2011-03-02  Simon Baldwin  <simonb@google.com>
1119
1120         * configure.ac: Add check for gnu_indirect_function support in
1121         the toolchain building binutils.
1122         * configure: Rebuild.
1123
1124 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1125
1126         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1127         plugin only symbols.
1128         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1129         in plugin files as not needed in the symbol table.
1130
1131 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1132
1133         * output.cc (Output_section::add_input_section): Delay fill
1134         generation for section ordering.
1135
1136 2011-02-09  Ian Lance Taylor  <iant@google.com>
1137
1138         PR gold/12316
1139         * object.h (class Sized_relobj): Remove clear_local_symbols.
1140         * reloc.cc (Sized_relobj::do_relocate): Don't call
1141         clear_local_symbols.
1142
1143 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1144
1145         * plugin.cc (is_visible_from_outside): Return true for symbols
1146         in the -u option.
1147
1148 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1149
1150         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1151         filename.
1152
1153 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1154
1155         * icf.h (is_section_foldable_candidate): Change type of parameter
1156         to std::string.
1157         * icf.cc (Icf::find_identical_sections): Change type of local variable
1158         section_name to be std::string.
1159         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1160
1161 2011-01-25  Ian Lance Taylor  <iant@google.com>
1162
1163         * script.cc (script_add_extern): Rewrite to use
1164         add_symbol_reference.
1165
1166 2011-01-25  Doug Kwan  <dougkwan@google.com>
1167
1168         * icf.cc (get_section_contents): Always lock section's object.
1169
1170 2011-01-24  Ian Lance Taylor  <iant@google.com>
1171
1172         * options.h (class General_options): Accept
1173         --no-detect-odr-violations.
1174
1175 2011-01-24  Ian Lance Taylor  <iant@google.com>
1176
1177         * version.cc (version_string): Bump to 1.11.
1178
1179 2011-01-24  Ian Lance Taylor  <iant@google.com>
1180
1181         * plugin.cc (class Plugin_rescan): Define new class.
1182         (Plugin_manager::claim_file): Set any_claimed_.
1183         (Plugin_manager::save_archive): New function.
1184         (Plugin_manager::save_input_group): New function.
1185         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1186         necessary.
1187         (Plugin_manager::new_undefined_symbol): New function.
1188         (Plugin_manager::rescan): New function.
1189         (Plugin_manager::rescannable_defines): New function.
1190         (Plugin_manager::add_input_file): Set any_added_.
1191         * plugin.h (class Plugin_manager): define new fields rescannable_,
1192         undefined_symbols_, any_claimed_, and any_added_.  Declare
1193         Plugin_rescan as friend.  Declare new functions.
1194         (Plugin_manager::Rescannable): Define type.
1195         (Plugin_manager::Rescannable_list): Define type.
1196         (Plugin_manager::Undefined_symbol_list): Define type.
1197         (Plugin_manager::Plugin_manager): Initialize new fields.
1198         * archive.cc (Archive::defines_symbol): New function.
1199         (Add_archive_symbols::run): Pass archive to plugins if any.
1200         * archive.h (class Archive): Declare defines_symbol.
1201         * readsyms.cc (Input_group::~Input_group): New function.
1202         (Finish_group::run): Pass input_group to plugins if any.
1203         * readsyms.h (class Input_group): Declare destructor.
1204         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1205         any.
1206
1207 2011-01-10  Ian Lance Taylor  <iant@google.com>
1208
1209         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1210         section as relro.
1211         (Layout::set_segment_offsets): Reset increase_relro before calling
1212         set_section_addresses a second time.
1213
1214 2011-01-04  Cary Coutant  <ccoutant@google.com>
1215
1216         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1217         sections before NOBITS sections.
1218
1219 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1220
1221         * version.cc (print_version): Update copyright to 2011.
1222
1223 2010-12-23  Cary Coutant  <ccoutant@google.com>
1224
1225         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1226         of OS to this->add.  Add OD parameter to second form of the function.
1227
1228 2010-12-20  Ian Lance Taylor  <iant@google.com>
1229
1230         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1231         second of two consecutive entries with same offset.
1232
1233 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1234
1235         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1236         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1237         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1238         to avoid unneeded links against $(LDADD).
1239         * testsuite/Makefile.in: Regenerate.
1240
1241 2010-12-15  Ian Lance Taylor  <iant@google.com>
1242
1243         PR gold/12324
1244         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1245         for R_X86_64_32 and R_X86_64_PC32.
1246         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1247         ver_matching_def_pic.o.
1248         (ver_matching_def_pic.o): New target.
1249
1250 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1251
1252         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
1253         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
1254         Move definition before File_read::View member definitions.
1255         (File_read::View::~View): Initialize and hold lock before
1256         updating current_mapped_bytes.
1257
1258 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1259
1260         * dwarf_reader.cc: Remove outdated comment.
1261         * gold-threads.cc: Fix typo in error message.
1262         * archive.cc: Fix typos in comments.
1263         * archive.h: Likewise.
1264         * arm-reloc-property.cc: Likewise.
1265         * arm-reloc-property.h: Likewise.
1266         * arm-reloc.def: Likewise.
1267         * arm.cc: Likewise.
1268         * attributes.h: Likewise.
1269         * cref.cc: Likewise.
1270         * ehframe.cc: Likewise.
1271         * fileread.h: Likewise.
1272         * gold.h: Likewise.
1273         * i386.cc: Likewise.
1274         * icf.cc: Likewise.
1275         * incremental.h: Likewise.
1276         * int_encoding.cc: Likewise.
1277         * layout.h: Likewise.
1278         * main.cc: Likewise.
1279         * merge.h: Likewise.
1280         * object.cc: Likewise.
1281         * object.h: Likewise.
1282         * options.cc: Likewise.
1283         * readsyms.cc: Likewise.
1284         * reduced_debug_output.cc: Likewise.
1285         * reloc.cc: Likewise.
1286         * script-sections.cc: Likewise.
1287         * sparc.cc: Likewise.
1288         * symtab.h: Likewise.
1289         * target-reloc.h: Likewise.
1290         * target.cc: Likewise.
1291         * target.h: Likewise.
1292         * timer.cc: Likewise.
1293         * timer.h: Likewise.
1294         * x86_64.cc: Likewise.
1295
1296 2010-12-09  Cary Coutant  <ccoutant@google.com>
1297
1298         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
1299         stack.
1300         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
1301         parameter; change all callers.
1302         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
1303         * options.h (warn_execstack): New option.
1304
1305 2010-12-07  Doug Kwan  <dougkwan@google.com>
1306
1307         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
1308         like function call relocations.
1309
1310 2010-12-07  Ian Lance Taylor  <iant@google.com>
1311
1312         * archive.cc (Archive::get_elf_object_for_member): Permit
1313         punconfigured to be NULL.
1314         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
1315         (Archive::include_member): Pass NULL to get_elf_object_for_member
1316         if we searched for the archive and this is the first included
1317         object.
1318
1319 2010-12-01  Ian Lance Taylor  <iant@google.com>
1320
1321         * dwarf_reader.h (class Sized_dwarf_line_info): Add
1322         track_relocs_type_ field.
1323         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1324         Set track_relocs_type_.
1325         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
1326         contents when using RELA relocs.
1327         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
1328         reloc_map_.
1329         * reloc.cc (Track_relocs::next_addend): New function.
1330         * reloc.h (class Track_relocs): Declare next_addend.
1331
1332 2010-12-01  Ian Lance Taylor  <iant@google.com>
1333
1334         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
1335         virtual destructor.
1336
1337 2010-12-01  Ian Lance Taylor  <iant@google.com>
1338
1339         * README: Update compilers known to work and fail.
1340
1341 2010-11-23  Matthias Klose  <doko@ubuntu.com>
1342
1343         * configure.in: For --enable-gold, handle value `default' instead of
1344         `both*'.  Always install ld as ld.bfd, install as ld if gold is
1345         not the default.
1346         * configure: Regenerate.
1347
1348 2010-11-18  Doug Kwan  <dougkwan@google.com>
1349
1350         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
1351         and right_alignment to be zero.  Store result alignment only if it is
1352         greater than existing alignment.
1353
1354 2010-11-16  Cary Coutant  <ccoutant@google.com>
1355
1356         PR gold/12220
1357         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1358         Check for ".zdebug_line".
1359
1360 2010-11-16  Doug Kwan  <dougkwan@google.com>
1361             Cary Coutant  <ccoutant@google.com>
1362
1363         * output.h (Output_segment::set_section_addresses): Pass increase_relro
1364         by reference; adjust all callers.
1365         * output.cc (Output_segment::set_section_addresses): Adjust references
1366         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
1367         list is empty.
1368         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
1369         end at page boundary.
1370
1371 2010-11-16  Cary Coutant  <ccoutant@google.com>
1372
1373         PR gold/12220
1374         * layout.cc (Layout::choose_output_section): Transform names of
1375         compressed sections even when using a script with a SECTIONS clause.
1376         (Layout::output_section_name): Remove code to transform
1377         compressed debug section names.
1378         * output.cc (Output_section::add_input_section): Use uncompressed
1379         section size when tracking input sections.
1380
1381 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
1382
1383         * symtab.h (Symbol::NON_PIC_REF): Remove.
1384         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
1385         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
1386         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
1387         (Symbol::use_plt_offset): Take a flags argument and pass it
1388         directly to needs_dynamic_reloc.  Restrict check for undefined
1389         weak symbols to function calls.
1390         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
1391         (Target_arm::Scan::global): Use it.
1392         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
1393         (Target_arm::Relocate::relocate): Likewise.
1394         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
1395         parameter with an r_type parameter.  Use get_reference_flags
1396         to get the flags.
1397         (Target_arm::Relocate::relocate): Update accordingly.
1398         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
1399         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
1400         (Target_i386::Scan::global): Likewise.
1401         (Target_i386::Relocate::relocate): Likewise.
1402         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
1403         parameter with an r_type parameter.  Use get_reference_flags
1404         to get the flags.
1405         (Target_i386::Relocate::relocate): Update accordingly.
1406         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1407         (Target_powerpc::Scan::global): Use it.
1408         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1409         (Target_powerpc::Relocate::relocate): Likewise.
1410         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1411         (Target_sparc::Scan::global): Use it.
1412         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1413         (Target_sparc::Relocate::relocate): Likewise.
1414         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1415         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1416         (Target_x86_64::Scan::global): Likewise.
1417         (Target_x86_64::Relocate::relocate): Likewise.
1418
1419 2010-11-08  Doug Kwan  <dougkwan@google.com>
1420             Cary Coutant  <ccoutant@google.com>
1421
1422         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1423         (Arm_exidx_merge_section::section_contents_): New data member.
1424         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1425         (Arm_input_section::~Arm_input_section): De-allocate memory.
1426         (Arm_input_section::original_contents_): New data member.       
1427         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1428         in parameters instead of calling Object::section_contents without
1429         locking.
1430         (Arm_output_section::group_section): New parameter TASK.  Pass it
1431         to callees that need locking objects.
1432         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1433         to lock EXIDX input sections.  Fix a formatting issue.  Call
1434         Arm_exidx_merged_section::build_contents to create merged section
1435         contents.
1436         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1437         to lock object of stub table owner.
1438         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1439         TEXT_SIZE to initialize data member TEXT_SIZE_.
1440         (Arm_exidx_input_section::addralign): Fix typo in comment.
1441         (Arm_exidx_input_section::text_size): New method.
1442         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1443         that require locking objects.  Lock objects before scanning for stubs
1444         and updating local symbols.
1445         (Arm_input_section<big_endian>::init): Copy contents of original
1446         input section.
1447         (Arm_input_section<big_endian>::do_write): Use saved contents of
1448         original input section instead of calling Object::section_contents
1449         without locking.
1450         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1451         size without calling Object::section_size().
1452         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1453         for size.  Allocate a buffer for merged EXIDX entries.
1454         (Arm_exidx_merged_section::build_contents): New method.
1455         (Arm_exidx_merged_section::do_write): Move merge section contents
1456         building code to Arm_exidx_merged_section::build_contetns.  Write
1457         out contetns in buffer instead of building it on the fly.
1458         (Arm_relobj::make_exidx_input_section): Also pass text section size
1459         to Arm_exidx_input_section constructor.
1460         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1461         (Arm_dynobj::do_read_symbols): Fix memory leak.
1462         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1463         * target.h: (class Task): Add forward declaration.
1464         (Target::relax): Add new parameter TASK and pass it to
1465         Target::do_relax().
1466         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1467
1468 2010-11-05  Cary Coutant  <ccoutant@google.com>
1469
1470         PR gold/10708
1471         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1472         object when reading from the file.
1473         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1474         second layout pass.
1475         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1476         when reading section contents.
1477         (get_section_contents): Likewise.
1478         (icf::find_identical_sections): Likewise.
1479         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1480         object when reading from the file.
1481         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1482         the object when doing deferred section layout.
1483
1484 2010-11-03  Nick Clifton  <nickc@redhat.com>
1485
1486         PR gold/12001
1487         * script.h (class Symbol_assignment: name): New member.  Returns
1488         the name of the symbol.
1489         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1490         Returns true if the given symbol name is on the list of
1491         assignments wating to be processed.
1492         * archive.cc (should_incldue_member): If the symbol is undefined,
1493         check to see if it is on the list of symbols pending assignment.
1494
1495 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1496
1497         * script-sections.cc (Script_sections::find_memory_region): Check
1498         for a NULL output section pointer.
1499
1500 2010-10-29  Doug Kwan  <dougkwan@google.com>
1501
1502         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1503         Output_section::add_relaxed_input_section.
1504         * output.cc (Output_section::add_relaxed_input_section): Add new
1505         arguments LAYOUT and NAME.  Set section order index.
1506         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1507         Copy section order index.
1508         * output.h (Output_section::add_relaxed_input_section): Add new
1509         arguments LAYOUT and NAME.
1510
1511 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1512
1513         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1514         NATIVE_OR_CROSS_LINKER.
1515         * testsuite/Makefile.in: Regenerate.
1516
1517 2010-10-20  Doug Kwan  <dougkwan@google.com>
1518
1519         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1520         without SHF_LINK_ORDER flags.
1521         * layout.cc (Layout::choose_output_section): Do not filter
1522         SHF_LINK_ORDER flag in a relocatable link.
1523
1524 2010-10-17  Cary Coutant  <ccoutant@google.com>
1525
1526         * output.h (Output_segment::set_section_addresses): Change function
1527         signature.  Update all callers.
1528         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1529         sections.
1530         (Output_segment::set_section_addresses): Align after last TLS
1531         section.  Add padding before last relro section instead of after.
1532
1533 2010-10-17  Doug Kwan  <dougkwan@google.com>
1534
1535         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1536         GOT output section to be writable.
1537
1538 2010-10-14  Cary Coutant  <ccoutant@google.com>
1539
1540         * debug.h (DEBUG_INCREMENTAL): New flag.
1541         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1542         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1543         mode.
1544         * incremental.cc (report_command_line): Ignore all forms of
1545         --incremental.
1546         * layout.cc (Layout::Layout): Check parameters for incremental link
1547         mode.
1548         * options.cc (General_options::parse_incremental): New function.
1549         (General_options::parse_no_incremental): New function.
1550         (General_options::parse_incremental_full): New function.
1551         (General_options::parse_incremental_update): New function.
1552         (General_options::incremental_mode_): New data member.
1553         (General_options::finalize): Check incremental_mode_.
1554         * options.h (General_options): Update help text for --incremental.
1555         Add --no-incremental, --incremental-full, --incremental-update.
1556         (General_options::Incremental_mode): New enum type.
1557         (General_options::incremental_mode): New function.
1558         (General_options::incremental_mode_): New data member.
1559         * parameters.cc (Parameters::incremental_mode_): New data member.
1560         (Parameters::set_options): Set incremental_mode_.
1561         (Parameters::set_incremental_full): New function.
1562         (Parameters::incremental): New function.
1563         (Parameters::incremental_update): New function.
1564         (set_parameters_incremental_full): New function.
1565         * parameters.h (Parameters::set_incremental_full): New function.
1566         (Parameters::incremental): New function.
1567         (Parameters::incremental_update): New function.
1568         (Parameters::incremental_mode_): New data member.
1569         (set_parameters_incremental_full): New function.
1570         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1571         incremental link mode.
1572         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1573         (Sized_relobj::do_relocate_sections): Likewise.
1574         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1575         option.
1576         * testsuite/Makefile.in: Regenerate.
1577         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1578
1579 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1580
1581         * script-sections.h (class Script_sections): Make
1582         Sections_elements typedef public.
1583         * script-sections.cc (class Sort_output_sections): Add elements_
1584         field.  Add constructor which sets it; change all callers.
1585         (Sort_output_sections::is_before): New function.
1586         (Sort_output_sections::operator()): Call is_before.
1587         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1588         conditional.
1589         * testsuite/script_test_10.sh: New test. Test script section
1590         order.
1591         * testsuite/script_test_10.t: Likewise.
1592         * testsuite/script_test_10.s: Likewise.
1593         * testsuite/Makefile.am: Wrap the cross linker tests and the
1594         common tests into NATIVE_OR_CROSS_LINKER.
1595         (check_SCRIPTS): Add script_test_10.sh.
1596         (check_DATA): Add script_test_10.stdout.
1597         (script_test_10.o, script_test_10): New targets.
1598         (script_test_10.stdout): New target.
1599         * configure, testsuite/Makefile.in: Regenerate.
1600
1601 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1602
1603         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1604         error for the deprecated relocations.
1605         (Target_arm::Scan::global): Likewise.
1606         (Target_arm::Relocate::relocate): Likewise.
1607
1608 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1609
1610         * fileread.cc (Input_file::find_file): Initialize *found_name
1611         and *namep when using the fallback search for case 4.
1612
1613 2010-10-11  Cary Coutant  <ccoutant@google.com>
1614
1615         * options.h (class General_options): Redefine -z lazy as an alias for
1616         the negation of -z now.
1617
1618 2010-10-11  Ian Lance Taylor  <iant@google.com>
1619
1620         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1621         binding.
1622
1623 2010-10-06  Nick Clifton  <nickc@redhat.com>
1624
1625         * script-sections.cc(class Memory_region): Remove
1626         current_lma_offset_ field.  Rename current_vma_offset_ to
1627         current_offset_.  Add last_section_ field.
1628         (Memory_region::get_current_vma_address): Rename to
1629         get_current_address.
1630         (Memory_region::get_current_lma_address): Delete.
1631         (Memory_region::increment_vma_offset): Rename to
1632         increment_offset.
1633         (Memory_region::increment_lma_offset): Delete.
1634         (Memory_region::attributes_compatible): New method.  Returns
1635         true if the provided section is compatible with the region.
1636         (Memory_region::get_last_section): New method.  Returns the last
1637         section to use the region.
1638         (Memory_region::set_last_section): New method.  Stores the last
1639         section to use the region.
1640         (Script_sections::block_in_region): New method.  Returns true if
1641         a block of memory is contained within a region.
1642         (Script_sections::find_memory_region): New method.  Locates a
1643         memory region to be used to set a VMA or LMA address.
1644         (Output_section_definition::set_section_addresses): Add code to
1645         check for addresses set by memory regions.
1646         (Output_segment::set_section_addresses): Remove memory region
1647         walking code.
1648         (Script_sections::create_segment): Add a warning if a header
1649         segment is created outside of any region.
1650         * script-sections.h (class Script_sections): Add prototypes for
1651         find_memory_region and block_in_region methods.
1652         * testsuite/memory_test.s: Use .long instead of .word.
1653         * testsuite/memory_test.t: Add some more output sections.
1654         * testsuite/memory_test.sh: Update expected output.
1655
1656 2010-10-02  Doug Kwan  <dougkwan@google.com>
1657
1658         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1659         defintion to symtab.h
1660         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1661         declaration to defintion.
1662
1663 2010-10-01  Nick Clifton  <nickc@redhat.com>
1664
1665         * expression.cc (eval): Replace dummy argument with NULL.
1666         (eval_maybe_dot): Check for a NULL result section pointer.
1667         (Symbol_expression::value): Likewise.
1668         (Dot_expression::value): Likewise.
1669         (BINARY_EXPRESSION): Likewise.
1670         (Max_expression::value): Likewise.
1671         (Min_expression::value): Likewise.
1672         (Absolute_expression::value): Likewise.
1673         (Addr_expression::value_from_output_section): Likewise.
1674         (Loaddddr_expression::value_from_output_section): Likewise.
1675         (Segment_start_expression::value): Likewise.
1676         * script-sections.cc
1677         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1678         argument with NULL.
1679         (Sections_elememt_dot_assignment::set_section_addresses):
1680         Likewise.
1681         (Output_data_expression::do_write_to_buffer): Likewise.
1682         (Output_section_definition::finalize_symbols): Likewise.
1683         (Output_section_definition::set_section_addresses): Likewise.
1684
1685 2010-09-30  Doug Kwan  <dougkwan@google.com>
1686
1687         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1688
1689 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1690
1691         * target.h (Target::can_icf_inline_merge_sections): New virtual
1692         function.
1693         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1694         virtual function.
1695         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1696         virtual function.
1697         * icf.cc (get_section_contents): Inline merge sections only when
1698         target allows it.
1699
1700 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1701
1702         * configure: Regenerate.
1703
1704 2010-09-17  Ian Lance Taylor  <iant@google.com>
1705
1706         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1707         * testsuite/Makefile.am (memory_test.o): New target.
1708         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1709         memory_test.t.
1710         * testsuite/Makefile.in: Rebuild.
1711
1712 2010-09-17  Doug Kwan  <dougkwan@google.com>
1713
1714         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
1715         defintion if relocation uses GOT entries of the symbol.
1716         * testsuite/icf_safe_test.sh: Fix test.
1717         * testsuite/icf_safe_so_test.sh: Fix test.
1718
1719 2010-09-16  Cary Coutant  <ccoutant@google.com>
1720
1721         * script_sections.cc (class Memory_region): Remove "NULL" from
1722         vector initializations.
1723
1724 2010-09-15  Cary Coutant  <ccoutant@google.com>
1725
1726         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
1727         Resolve forwarding symbols.
1728
1729 2010-09-15  Doug Kwan  <dougkwan@google.com>
1730
1731         * gold/testsuite/script_test_3.t: Add ARM special sections.
1732         * gold/testsuite/script_test_4.t: Same.
1733         * gold/testsuite/script_test_5.t: Same.
1734         * gold/testsuite/script_test_6.t: Same.
1735         * gold/testsuite/script_test_7.t: Same.
1736         * gold/testsuite/script_test_7.t: Same.
1737         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
1738
1739 2010-09-14  Cary Coutant  <ccoutant@google.com>
1740
1741         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
1742         (Target_x86_64::Relocate::relocate_tls): Replace check for
1743         saw_tls_block_reloc_ with test for executable section.
1744
1745 2010-09-12  Cary Coutant  <ccoutant@google.com>
1746
1747         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
1748         position-independent executables to shared libraries need dynamic
1749         relocations.
1750         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
1751         position-independent executables.
1752         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
1753         * testsuite/Makefile.in: Regenerate.
1754
1755 2010-09-10  Nick Clifton  <nickc@redhat.com>
1756
1757         PR gold/11997
1758         * testsuite/memory_test.t: Discard any sections that are not
1759         needed.
1760
1761 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1762
1763         PR gold/11996
1764         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
1765         "This::" to work around a bug in gcc 4.2.
1766
1767         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
1768
1769 2010-09-09  Rafael Espindola  <espindola@google.com>
1770
1771         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
1772         sections with different PF_X flags in the same segment.
1773         (Layout::find_first_load_seg): Search all segments to find the first
1774         one.
1775         * options.h (rosegment): New.
1776
1777 2010-09-08  Rafael Espindola  <espindola@google.com>
1778
1779         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
1780
1781 2010-09-08  Doug Kwan  <dougkwan@google.com>
1782
1783         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
1784         (Arm_relobj::do_relocate_sections): Add new parameter for output
1785         file to match the parent.
1786         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
1787         of local symbols instead of input values.  Update code to track
1788         changes in gold::relocate_section.
1789         * object.cc (Sized_relobj::compute_final_local_value): New methods.
1790         (Sized_relobj::compute_final_local_value_internal): New methods.
1791         (Sized_relobj::do_finalize_local_symbols): Move code from loop
1792         body into private version of Sized_relobj::compute_final_local_value.
1793         Call the inline method.
1794         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
1795         merged symbol value if there is one.
1796         (Symbol_value::has_output_value): New method defintiion.
1797         (Sized_relobj::Compute_final_local_value_status): New enum type.
1798         (Sized_relobj::compute_final_local_value): New methods.
1799         (Sized_relobj::compute_final_local_value_internal): New methods.
1800         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
1801         and arm_cortex_a8.sh.
1802         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
1803         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
1804         New tests.
1805         * Makefile.in: Regenerate.
1806         * testsuite/arm_bl_out_of_range.s: Update test.
1807         * testsuite/thumb_bl_out_of_range.s: Ditto.
1808         * testsuite/thumb_blx_out_of_range.s: Ditto.
1809         * testsuite/arm_branch_out_of_range.sh: New file.
1810         * testsuite/arm_cortex_a8.sh: Ditto.
1811         * testsuite/arm_cortex_a8_b.s: Ditto.
1812         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
1813         * testsuite/arm_cortex_a8_b_local.s: Ditto.
1814         * testsuite/arm_cortex_a8_bl.s: Ditto.
1815         * testsuite/arm_cortex_a8_blx.s: Ditto.
1816         * testsuite/arm_cortex_a8_local.s: Ditto.
1817         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
1818         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
1819
1820 2010-09-08  Rafael Espindola  <espindola@google.com>
1821
1822         * Makefile.am (memory_test.stdout): Run readelf with -W.
1823         * Makefile.in: Regenerate.
1824         * testsuite/memory_test.sh: Make the regexps accept both 32 and
1825         64 bit output.
1826
1827 2010-09-08  Rafael Espindola  <espindola@google.com>
1828
1829         * script-sections.cc (Script_sections::add_memory_region): Convert
1830         field precision to int.
1831         * script.cc (script_set_section_region, script_set_section_region):
1832         Convert field precision to int.
1833
1834 2010-09-08  Rafael Espindola  <espindola@google.com>
1835
1836         * arm.cc (do_finalize_sections): Create the __exidx_start and
1837         __exdix_end symbols even when the section is missing.
1838
1839 2010-09-08  Nick Clifton  <nickc@redhat.com>
1840
1841         * README: Remove claim that MEMORY is not supported.
1842         * expression.cc (script_exp_function_origin)
1843         (script_exp_function_length): Move from here to ...
1844         * script.cc: ... here.
1845         (script_set_section_region, script_add_memory)
1846         (script_parse_memory_attr, script_include_directive): New
1847         functions.
1848         * script-sections.cc
1849         (class Memory_region): New class.
1850         (class Output_section_definition): Add set_memory_region,
1851         set_section_vma, set_section_lma and get_section_name methods.
1852         (class Script_Sections): Add add_memory_region,
1853         find_memory_region, find_memory_region_origin,
1854         find_memory_region_length and set_memory_region methods.
1855         Have set_section_addresses method walk the list of set memory
1856         regions.
1857         Extend the print methos to display memory regions.
1858         * script-sections.h: Add prototypes for new methods.
1859         Add enum for MEMORY region attributes.
1860         * yyscript.y: Add support for parsing MEMORY regions.
1861         * script-c.h: Add prototypes for new functions.
1862         * testsuite/Makefile.am: Add test of MEMORY region functionality.
1863         * testsuite/Makefile.in: Regenerate.
1864         * testsuite/memory_test.sh: New script.
1865         * testsuite/memory_test.s: New assembler source file.
1866         * testsuite/memory_test.t: New linker script.
1867
1868 2010-08-27  Doug Kwan  <dougkwan@google.com>
1869
1870         * gold/resolve.cc (Symbol_table::should_override): Let a weak
1871         reference override an existing dynamic weak reference.
1872         * testsuite/Makefile.am: Add new test dyn_weak_ref.
1873         * testsuite/Makefile.in: Regenerate.
1874         * testsuite/dyn_weak_ref.sh: New file.
1875         * testsuite/dyn_weak_ref_1.c: Ditto.
1876         * testsuite/dyn_weak_ref_2.c: Ditto.
1877
1878 2010-08-27  Ian Lance Taylor  <iant@google.com>
1879
1880         * incremental.h (class Incremental_input_entry): Add virtual
1881         destructor.
1882
1883 2010-08-27  Ian Lance Taylor  <iant@google.com>
1884
1885         * testsuite/start_lib_test_3.c: Mark t3 as used.
1886
1887 2010-08-27  Nick Clifton  <nickc@redhat.com>
1888
1889         * options.cc (version_script): Fix small typo in previous
1890         whitespace tidyup.
1891
1892 2010-08-25  Nick Clifton  <nickc@redhat.com>
1893
1894         * archive.cc: Formatting fixes: Remove whitespace between
1895         typename and following asterisk.  Remove whitespace between
1896         function name and opening parenthesis.
1897         * archive.h: Likewise.
1898         * arm.cc: Likewise.
1899         * attributes.cc: Likewise.
1900         * attributes.h: Likewise.
1901         * common.cc: Likewise.
1902         * copy-relocs.cc: Likewise.
1903         * dirsearch.h: Likewise.
1904         * dynobj.cc: Likewise.
1905         * ehframe.cc: Likewise.
1906         * ehframe.h: Likewise.
1907         * expression.cc: Likewise.
1908         * fileread.cc: Likewise.
1909         * fileread.h: Likewise.
1910         * gc.h: Likewise.
1911         * gold-threads.cc: Likewise.
1912         * gold.cc: Likewise.
1913         * i386.cc: Likewise.
1914         * icf.h: Likewise.
1915         * incremental-dump.cc: Likewise.
1916         * incremental.cc: Likewise.
1917         * layout.cc: Likewise.
1918         * layout.h: Likewise.
1919         * main.cc: Likewise.
1920         * merge.cc: Likewise.
1921         * merge.h: Likewise.
1922         * object.cc: Likewise.
1923         * object.h: Likewise.
1924         * options.cc: Likewise.
1925         * options.h: Likewise.
1926         * output.cc: Likewise.
1927         * output.h: Likewise.
1928         * plugin.cc: Likewise.
1929         * plugin.h: Likewise.
1930         * powerpc.cc: Likewise.
1931         * reloc.cc: Likewise.
1932         * script-c.h: Likewise.
1933         * script-sections.cc: Likewise.
1934         * script.cc: Likewise.
1935         * stringpool.cc: Likewise.
1936         * symtab.cc: Likewise.
1937         * symtab.h: Likewise.
1938         * target.cc: Likewise.
1939         * timer.cc: Likewise.
1940         * timer.h: Likewise.
1941         * version.cc: Likewise.
1942         * x86_64.cc: Likewise.
1943
1944 2010-08-24  Nick Clifton  <nickc@redhat.com>
1945
1946         PR 11899
1947         * layout.cc (segment_precedes): Sort segments by their physical
1948         addresses, if they have been set.
1949
1950 2010-08-23  Cary Coutant  <ccoutant@google.com>
1951
1952         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
1953         symbols data.
1954         (Lib_group::include_member): Unlock object after deleting its
1955         symbols data.
1956         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
1957         the bug fixed here.
1958
1959 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
1960             Cary Coutant  <ccoutant@google.com>
1961
1962         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
1963         constructor, and set_blocker.
1964         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
1965         readsyms_blocker_.
1966         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
1967         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
1968         * testsuite/Makefile.am (start_lib_test): New test case.
1969         * testsuite/Makefile.in: Regenerate.
1970         * testsuite/start_lib_test_main.c: New file.
1971         * testsuite/start_lib_test_1.c: New file.
1972         * testsuite/start_lib_test_2.c: New file.
1973         * testsuite/start_lib_test_3.c: New file.
1974
1975 2010-08-19  Ian Lance Taylor  <iant@google.com>
1976
1977         * Makefile.in: Rebuild with automake 1.11.1.
1978         * aclocal.m4: Likewise.
1979         * testsuite/Makefile.in: Likewise.
1980
1981 2010-08-19  Ian Lance Taylor  <iant@google.com>
1982
1983         PR 10893
1984         * i386.cc (class Output_data_plt_i386): Update declarations.
1985         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
1986         local_ifuncs_ fields.
1987         (Target_i386::do_plt_section_for_global): New function.
1988         (Target_i386::do_plt_section_for_local): New function.
1989         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
1990         parameter; change all callers.  Initialize global_ifuncs_ and
1991         local_ifuncs_.  If doing a static link define __rel_iplt_start and
1992         __rel_iplt_end.
1993         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
1994         (Output_data_plt_i386::add_local_ifunc_entry): New function.
1995         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
1996         symbols.
1997         (Target_i386::make_plt_section): New function, broken out of
1998         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
1999         (Target_i386::make_plt_entry): Call make_plt_section.
2000         (Target_i386::make_local_ifunc_plt_entry): New function.
2001         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2002         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2003         R_386_IRELATIVE to switch.
2004         (Target_i386::Scan::global): Likewise.
2005         (Target_i386::Relocate::relocate): Likewise.
2006         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2007         switch.
2008         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2009         (Target_x86_64::do_plt_section_for_global): New function.
2010         (Target_x86_64::do_plt_section_for_local): New function.
2011         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2012         parameter; change all callers.  If doing a static link define
2013         __rela_iplt_start and __rela_iplt_end.
2014         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2015         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2016         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2017         to point to .plt.
2018         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2019         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2020         switch.
2021         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2022         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2023         R_X86_64_IRELATIVE to switch.
2024         (Target_x86_64::Scan::global): Likewise.
2025         (Target_x86_64::Relocate::relocate): Likewise.
2026         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2027         switch.
2028         * target.h (class Target): Add plt_section_for_global and
2029         plt_section_for_local functions.  Add do_plt_section_for_global
2030         and do_plt_section_for_local virtual functions.
2031         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2032         clarifying comments.
2033         (Symbol::use_plt_offset): Handle IFUNC symbol.
2034         * object.cc (Sized_relobj::Sized_relobj): Initialize
2035         local_plt_offsets_.
2036         (Sized_relobj::local_has_plt_offset): New function.
2037         (Sized_relobj::local_plt_offset): New function.
2038         (Sized_relobj::set_local_plt_offset): New function.
2039         (Sized_relobj::do_count): Handle IFUNC symbol.
2040         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2041         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2042         is_ifunc_symbol functions.
2043         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2044         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2045         local_plt_offsets_ field.
2046         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2047         * output.h (class Output_section_data): Add non-const
2048         output_section function.
2049         (class Output_data_got): Update declarations.
2050         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2051         Add use_plt_offset parameter to global and local constructors.
2052         Change all callers.  Change local_sym_index_ field to 31 bits.
2053         Change GSYM_CODE and CONSTANT_CODE accordingly.
2054         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2055         doing a static link don't set sh_link field.
2056         (Output_data_got::Got_entry::write): Use PLT offset if
2057         appropriate.
2058         (Output_data_got::add_global_plt): New function.
2059         (Output_data_got::add_local_plt): New function.
2060         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2061         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2062         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2063         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2064         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2065         IFUNC conditional.
2066         * testsuite/ifunc-sel.h: New file.
2067         * testsuite/ifuncmain1.c: New file.
2068         * testsuite/ifuncmain1vis.c: New file.
2069         * testsuite/ifuncmod1.c: New file.
2070         * testsuite/ifuncdep2.c: New file.
2071         * testsuite/ifuncmain2.c: New file.
2072         * testsuite/ifuncmain3.c: New file.
2073         * testsuite/ifuncmod3.c: New file.
2074         * testsuite/ifuncmain4.c: New file.
2075         * testsuite/ifuncmain5.c: New file.
2076         * testsuite/ifuncmod5.c: New file.
2077         * testsuite/ifuncmain6pie.c: New file.
2078         * testsuite/ifuncmod6.c: New file.
2079         * testsuite/ifuncmain7.c: New file.
2080         * configure, testsuite/Makefile.in: Rebuild.
2081
2082 2010-08-18  Ian Lance Taylor  <iant@google.com>
2083
2084         * incremental.cc
2085         (Output_section_incremental_inputs::write_input_files): Add cast
2086         to avoid signed/unsigned comparison warning.
2087         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2088
2089 2010-08-12  Cary Coutant  <ccoutant@google.com>
2090
2091         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2092
2093 2010-08-13  Ian Lance Taylor  <iant@google.com>
2094
2095         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2096
2097 2010-08-12  Cary Coutant  <ccoutant@google.com>
2098             Doug Kwan  <dougkwan@google.com>
2099
2100         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2101         defintion overrides non-weak undef, remember that the original undef
2102         is not weak.
2103         * symtab.cc (Symbol_table::sized_write_global): For undef without
2104         an original weak binding, set binding to global in output.
2105         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2106         * testsuite/Makefile.in: Regenerate.
2107         * testsuite/strong_ref_weak_def.sh: New file.
2108         * testsuite/strong_ref_weak_def_1.c: Ditto.
2109         * testsuite/strong_ref_weak_def_2.c: Ditto.
2110
2111 2010-08-12  Cary Coutant  <ccoutant@google.com>
2112
2113         * testsuite/incremental_test.sh: Rewrite.
2114         * testsuite/incremental_test_1.c: Rewrite.
2115         * testsuite/incremental_test_2.c: Rewrite.
2116
2117 2010-08-12  Cary Coutant  <ccoutant@google.com>
2118
2119         * arm.cc (Target_arm::got_size): Add const.
2120         (Target_arm::got_entry_count): New function.
2121         (Target_arm::plt_entry_count): New function.
2122         (Target_arm::first_plt_entry_offset): New function.
2123         (Target_arm::plt_entry_size): New function.
2124         (Output_data_plt_arm::entry_count): New function.
2125         (Output_data_plt_arm::first_plt_entry_offset): New function.
2126         (Output_data_plt_arm::get_plt_entry_size): New function.
2127         * i386.cc (Target_i386::got_size): Add const.
2128         (Target_i386::got_entry_count): New function.
2129         (Target_i386::plt_entry_count): New function.
2130         (Target_i386::first_plt_entry_offset): New function.
2131         (Target_i386::plt_entry_size): New function.
2132         (Output_data_plt_i386::entry_count): New function.
2133         (Output_data_plt_i386::first_plt_entry_offset): New function.
2134         (Output_data_plt_i386::get_plt_entry_size): New function.
2135         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2136         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2137         * incremental.cc: Include target.h.
2138         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2139         parameter.  Adjust all callers.  Find incremental_got_plt section.
2140         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2141         section.
2142         (Output_section_incremental_inputs::set_final_data_size): Calculate
2143         size of incremental_got_plt section.
2144         (Output_section_incremental_inputs::do_write): Write the
2145         incremental_got_plt section.
2146         (Got_plt_view_info): New struct.
2147         (Local_got_offset_visitor): New class.
2148         (Global_got_offset_visitor): New class.
2149         (Global_symbol_visitor_got_plt): New class.
2150         (Output_section_incremental_inputs::write_got_plt): New function.
2151         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2152         Add parameter.  Adjust all callers.
2153         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2154         (Incremental_inputs::got_plt_section): New function.
2155         (Incremental_inputs::got_plt_section_): New data member.
2156         (Incremental_got_plt_reader): New class.
2157         * layout.cc (Layout::create_incremental_info_sections): Add the
2158         incremental_got_plt section.
2159         * object.h (Got_offset_list::get_list): New function.
2160         (Got offset_list::for_all_got_offsets): New function.
2161         (Sized_relobj::local_got_offset_list): New function.
2162         * powerpc.cc (Target_powerpc::got_size): Add const.
2163         (Target_powerpc::got_entry_count): New function.
2164         (Target_powerpc::plt_entry_count): New function.
2165         (Target_powerpc::first_plt_entry_offset): New function.
2166         (Target_powerpc::plt_entry_size): New function.
2167         (Output_data_plt_powerpc::entry_count): New function.
2168         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2169         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2170         * sparc.cc (Target_sparc::got_size): Add const.
2171         (Target_sparc::got_entry_count): New function.
2172         (Target_sparc::plt_entry_count): New function.
2173         (Target_sparc::first_plt_entry_offset): New function.
2174         (Target_sparc::plt_entry_size): New function.
2175         (Output_data_plt_sparc::entry_count): New function.
2176         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2177         (Output_data_plt_sparc::get_plt_entry_size): New function.
2178         * symtab.h (Symbol::got_offset_list): New function.
2179         (Symbol_table::for_all_symbols): New function.
2180         * target.h (Sized_target::got_entry_count): New function.
2181         (Sized_target::plt_entry_count): New function.
2182         (Sized_target::plt_entry_size): New function.
2183         * x86_64.cc (Target_x86_64::got_size): Add const.
2184         (Target_x86_64::got_entry_count): New function.
2185         (Target_x86_64::plt_entry_count): New function.
2186         (Target_x86_64::first_plt_entry_offset): New function.
2187         (Target_x86_64::plt_entry_size): New function.
2188         (Output_data_plt_x86_64::entry_count): New function.
2189         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2190         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2191
2192 2010-08-12  Cary Coutant  <ccoutant@google.com>
2193
2194         * archive.cc: Include incremental.h.
2195         (Archive::Archive): Initialize incremental_info_.
2196         (Archive::include_member): Record archive members in incremental info.
2197         (Add_archive_symbols::run): Record begin and end of an archive in
2198         incremental info.
2199         (Lib_group::include_member): Record objects in incremental info.
2200         * archive.h (Incremental_archive_entry): Forward declaration.
2201         (Archive::set_incremental_info): New member function.
2202         (Archive::incremental_info): New member function.
2203         (Archive::Unused_symbol_iterator): New class.
2204         (Archive::unused_symbols_begin): New member function.
2205         (Archive::unused_symbols_end): New member function.
2206         (Archive::incremental_info_): New data member.
2207         * incremental-dump.cc (find_input_containing_global): New function.
2208         (dump_incremental_inputs): Dump new incremental info sections.
2209         * incremental.cc: Include symtab.h.
2210         (Output_section_incremental_inputs): New class.
2211         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2212         new incremental info sections.
2213         (Sized_incremental_binary::do_check_inputs): Likewise.
2214         (Incremental_inputs::report_archive): Remove.
2215         (Incremental_inputs::report_archive_begin): New function.
2216         (Incremental_inputs::report_archive_end): New function.
2217         (Incremental_inputs::report_object): New function.
2218         (Incremental_inputs::finalize_inputs): Remove.
2219         (Incremental_inputs::report_input_section): New function.
2220         (Incremental_inputs::report_script): Rewrite.
2221         (Incremental_inputs::finalize): Do nothing but finalize string table.
2222         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2223         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2224         (Incremental_inputs::create_data_sections): New function.
2225         (Incremental_inputs::relocs_entsize): New function.
2226         (Output_section_incremental_inputs::set_final_data_size): New function.
2227         (Output_section_incremental_inputs::do_write): New function.
2228         (Output_section_incremental_inputs::write_header): New function.
2229         (Output_section_incremental_inputs::write_input_files): New function.
2230         (Output_section_incremental_inputs::write_info_blocks): New function.
2231         (Output_section_incremental_inputs::write_symtab): New function.
2232         * incremental.h (Incremental_script_entry): Forward declaration.
2233         (Incremental_object_entry): Forward declaration.
2234         (Incremental_archive_entry): Forward declaration.
2235         (Incremental_inputs): Forward declaration.
2236         (Incremental_inputs_header_data): Remove.
2237         (Incremental_inputs_header): Remove.
2238         (Incremental_inputs_header_write): Remove.
2239         (Incremental_inputs_entry_data): Remove.
2240         (Incremental_inputs_entry): Remove.
2241         (Incremental_inputs_entry_write): Remove.
2242         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2243         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2244         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2245         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2246         Likewise.
2247         (Incremental_input_entry): New class.
2248         (Incremental_script_entry): New class.
2249         (Incremental_object_entry): New class.
2250         (Incremental_archive_entry): New class.
2251         (Incremental_inputs::Incremental_inputs): Initialize new data members.
2252         (Incremental_inputs::report_inputs): Remove.
2253         (Incremental_inputs::report_archive): Remove.
2254         (Incremental_inputs::report_archive_begin): New function.
2255         (Incremental_inputs::report_archive_end): New function.
2256         (Incremental_inputs::report_object): Change prototype.
2257         (Incremental_inputs::report_input_section): New function.
2258         (Incremental_inputs::report_script): Change prototype.
2259         (Incremental_inputs::get_reloc_count): New function.
2260         (Incremental_inputs::set_reloc_count): New function.
2261         (Incremental_inputs::create_data_sections): New function.
2262         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2263         (Incremental_inputs::inputs_section): New function.
2264         (Incremental_inputs::symtab_section): New function.
2265         (Incremental_inputs::relocs_section): New function.
2266         (Incremental_inputs::get_stringpool): Add const.
2267         (Incremental_inputs::command_line): Add const.
2268         (Incremental_inputs::inputs): Remove.
2269         (Incremental_inputs::command_line_key): New function.
2270         (Incremental_inputs::input_file_count): New function.
2271         (Incremental_inputs::input_files): New function.
2272         (Incremental_inputs::relocs_entsize): New function.
2273         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2274         (Incremental_inputs::finalize_inputs): Remove.
2275         (Incremental_inputs::Input_info): Remove.
2276         (Incremental_inputs::lock_): Remove.
2277         (Incremental_inputs::inputs_): Change type.
2278         (Incremental_inputs::inputs_map_): Remove.
2279         (Incremental_inputs::current_object_entry_): New data member.
2280         (Incremental_inputs::inputs_section_): New data member.
2281         (Incremental_inputs::symtab_section_): New data member.
2282         (Incremental_inputs::relocs_section_): New data member.
2283         (Incremental_inputs::reloc_count_): New data member.
2284         (Incremental_inputs_reader): New class.
2285         (Incremental_symtab_reader): New class.
2286         (Incremental_relocs_reader): New class.
2287         * layout.cc (Layout::finalize): Move finalization of incremental info
2288         and creation of incremental info sections to follow finalization of
2289         symbol table.  Set offsets for postprocessing sections.
2290         (Layout::create_incremental_info_sections): Call
2291         Incremental_inputs::create_data_sections.  Add incremental symtab
2292         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
2293         sections to layout after input sections.
2294         * layout.h (struct Timespec): Forward declaration.
2295         (Layout::incremental_inputs): Add const.
2296         (Layout::create_incremental_info_sections): Add parameter.
2297         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
2298         * object.cc: Include incremental.h.
2299         (Relobj::finalize_incremental_relocs): New function.
2300         (Sized_relobj::do_layout): Record input sections in incremental info.
2301         * object.h (Object::output_section): New function.
2302         (Object::output_section_offset): Moved from Relobj.
2303         (Object::get_incremental_reloc_base): New function.
2304         (Object::get_incremental_reloc_count): New function.
2305         (Object::do_output_section): New function.
2306         (Object::do_output_section_offset): Moved from Relobj.
2307         (Object::do_get_incremental_reloc_base): New function.
2308         (Object::do_get_incremental_reloc_count): New function.
2309         (Object::Object): Initialize new data members.
2310         (Relobj::output_section): Renamed do_output_section and moved to
2311         protected.
2312         (Relobj::output_section_offset): Moved to Object.
2313         (Relobj::do_get_incremental_reloc_base): New function.
2314         (Relobj::do_get_incremental_reloc_count): New function.
2315         (Relobj::allocate_incremental_reloc_counts): New function.
2316         (Relobj::count_incremental_reloc): New function.
2317         (Relobj::finalize_incremental_relocs): New function.
2318         (Relobj::next_incremental_reloc_index): New function.
2319         (Relobj::reloc_counts_): New data member.
2320         (Relobj::reloc_bases_): New data member.
2321         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
2322         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
2323         (Sized_relobj::incremental_relocs_scan): New function.
2324         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2325         (Sized_relobj::incremental_relocs_write): New function.
2326         (Sized_relobj::incremental_relocs_write_reltype): New function.
2327         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
2328         incremental link.
2329         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
2330         archives and object files elsewhere.
2331         (Add_symbols::run): Report object files here.
2332         (Finish_group::run): Report end of archive at end of group.
2333         * reloc.cc: Include layout.h, incremental.h.
2334         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
2335         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
2336         (Sized_relobj::incremental_relocs_scan): New function.
2337         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2338         (Sized_relobj::do_relocate_sections): Write incremental relocations.
2339         (Sized_relobj::incremental_relocs_write): New function.
2340         (Sized_relobj::incremental_relocs_write_reltype): New function.
2341         * script.cc (read_input_script): Rewrite test for incremental link.
2342         Change call to Incremental_inputs::report_script.
2343         * symtab.h (Symbol_table::first_global_index): New function.
2344         (Symbol_table::output_count): New function.
2345
2346 2010-08-12  Doug Kwan  <dougkwan@google.com>
2347
2348         * arm.cc (Target_arm::merge_object_attributes): Check command line
2349         options --no-wchar-size-warning and --no-enum-size-warning.
2350         * options.h (General_options): Add ld-compatible options
2351         --no-enum-size-warning and --no-wchar-size-warning.
2352
2353 2010-08-04  Ian Lance Taylor  <iant@google.com>
2354
2355         * x86_64.cc (Target_x86_64::Scan::local): Use
2356         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
2357         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
2358         (Target_x86_64::Scan::global): Likewise.
2359         (Target_x86_64::Relocate::relocate): Likewise.
2360         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
2361         Likewise.
2362
2363 2010-08-03  Cary Coutant  <ccoutant@google.com>
2364
2365         * merge.cc (Output_merge_string::do_add_input_section): Count strings
2366         to reserve space in merged_strings vector. Keep total input size
2367         for stats.
2368         (Output_merge_string::do_print_merge_stats): Print total input size.
2369         * merge.h (Output_merge_string): Add input_size_ field.
2370         * stringpool.cc (Stringpool_template::string_length): Move
2371         implementations out of Stringpool_template class and place in
2372         stringpool.h.
2373         * stringpool.h (string_length): Move out of Stringpool_template.
2374
2375 2010-08-03  Ian Lance Taylor  <iant@google.com>
2376
2377         PR 11712
2378         * layout.cc (relaxation_loop_body): If address of load segment is
2379         set, adjust address to include headers if possible.
2380
2381 2010-08-03  Ian Lance Taylor  <iant@google.com>
2382
2383         * version.cc (version_string): Bump to 1.10.
2384
2385 2010-08-03  Ian Lance Taylor  <iant@google.com>
2386
2387         PR 11805
2388         * layout.h (enum Output_section_order): Define.
2389         (class Layout): Update declarations.
2390         * layout.cc (Layout::get_output_section): Add order parameter.
2391         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
2392         is_first_non_relro parameters.  Change all callers.
2393         (Layout::choose_output_section): Likewise.
2394         (Layout::add_output_section_data): Likewise.
2395         (Layout::make_output_section): Likewise.  Set order.
2396         (Layout::default_section_order): New function.
2397         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
2398         * output.cc (Output_section::Output_section): Initialize order_.
2399         Don't initialize deleted fields.
2400         (Output_segment::Output_segment): Don't initialize deleted
2401         fields.
2402         (Output_segment::add_output_section_to_load): New function
2403         replacing add_output_section.  Change all callers to call this or
2404         add_output_section_to_nonload.
2405         (Output_segment::add_output_section_to_nonload): New function.
2406         (Output_segment::remove_output_section): Rewrite.
2407         (Output_segment::add_initial_output_data): Likewise.
2408         (Output_segment::has_any_data_sections): Likewise.
2409         (Output_segment::is_first_section_relro): Likewise.
2410         (Output_segment::maximum_alignment): Likewise.
2411         (Output_segment::has_dynamic_reloc): New function replacing
2412         dynamic_reloc_count.  Change all callers.
2413         (Output_segment::has_dynamic_reloc_list): New function replacing
2414         dynamic_reloc_count_list.  Change all callers.
2415         (Output_segment::set_section_addresses): Rewrite.
2416         (Output_segment::set_offset): Rewrite.
2417         (Output_segment::find_first_and_last_list): Remove.
2418         (Output_segment::set_tls_offsets): Rewrite.
2419         (Output_segment::first_section_load_address): Likewise.
2420         (Output_segment::output_section_count): Likewise.
2421         (Output_segment::section_with_lowest_load_address): Likewise.
2422         (Output_segment::write_section_headers): Likewise.
2423         (Output_segment::print_sections_to_map): Likewise.
2424         * output.h (class Output_data): Remove dynamic_reloc_count_
2425         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2426         (Output_data::add_dynamic_reloc): Rewrite.
2427         (Output_data::has_dynamic_reloc): New function.
2428         (Output_data::dynamic_reloc_count): Remove.
2429         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2430         is_last_relro_, is_first_non_relro_, is_interp_,
2431         is_dynamic_linker_section_ fields.  Add order and set_order
2432         functions.  Remove is_relro_local, set_is_relro_local,
2433         is_last_relro, set_is_last_relro, is_first_non_relro,
2434         set_is_first_non_relro functions, is_interp, set_is_interp,
2435         is_dynamic_linker_section, and set_is_dynamic_linker_section
2436         functions.
2437         (class Output_segment): Change Output_data_list from std::list to
2438         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2439         output_bss_ fields.  Update declarations.
2440
2441 2010-08-02  Ian Lance Taylor  <iant@google.com>
2442
2443         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2444         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2445         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2446
2447 2010-08-02  Ian Lance Taylor  <iant@google.com>
2448
2449         PR 11855
2450         * script.cc (Script_options::Script_options): Initialize
2451         symbol_definitions_ and symbol_references_.
2452         (Script_options::add_symbol_assignment): Update
2453         symbol_definitions_ and symbol_references_.
2454         (Script_options::add_symbol_reference): New function.
2455         (script_symbol): New function.
2456         * script.h (class Script_options): Add symbol_definitions_ and
2457         symbol_references_ fields.
2458         (Script_options::referenced_const_iterator): New type.
2459         (Script_options::referenced_begin): New function.
2460         (Script_options::referenced_end): New function.
2461         (Script_options::is_referenced): New function.
2462         (Script_options::any_unreferenced): New function.
2463         * script-c.h (script_symbol): Declare.
2464         * yyscript.y (exp): Call script_symbol.
2465         * symtab.cc: Include "script.h".
2466         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2467         Change all callers.  Check symbols referenced by scripts.
2468         (Symbol_table::add_undefined_symbols_from_command_line): Add
2469         layout parameter.  Change all callers.
2470         (Symbol_table::do_add_undefined_symbols_from_command_line):
2471         Likewise.  Break out loop body.  Check symbols referenced by
2472         scripts.
2473         (Symbol_table::add_undefined_symbol_from_command_line): New
2474         function broken out of
2475         do_add_undefined_symbols_from_command_line.
2476         * symtab.h (class Symbol_table): Update declarations.
2477         * archive.cc: Include "layout.h".
2478         (Archive::should_include_member): Add layout parameter.  Change
2479         all callers.  Check for symbol mentioned in expression.
2480         * archive.h (class Archive): Update declaration.
2481         * object.cc (Sized_relobj::do_should_include_member): Add layout
2482         parameter.
2483         * object.h (Object::should_include_member): Add layout parameter.
2484         Change all callers.
2485         (Object::do_should_include_member): Add layout parameter.
2486         (class Sized_relobj): Update declaration.
2487         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2488         parameter.
2489         * dynobj.h (class Sized_dynobj): Update declaration.
2490         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2491         layout parameter.
2492         * plugin.h (class Sized_pluginobj): Update declaration.
2493
2494 2010-08-02  Ian Lance Taylor  <iant@google.com>
2495
2496         PR 11866
2497         * output.cc (Output_segment::set_offset): Search for the first and
2498         last sections rather than assuming that the list is in order.
2499         (Output_segment::find_first_and_last_list): New function.
2500         * output.h (class Output_segment): Update declarations.
2501         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2502         (relro_strip_test_SOURCES): New variable.
2503         (relro_strip_test_DEPENDENCIES): New variable.
2504         (relro_strip_test_LDFLAGS): New variable.
2505         (relro_strip_test_LDADD): New variable.
2506         (relro_strip_test.so): New target.
2507
2508 2010-08-02  Ian Lance Taylor  <iant@google.com>
2509
2510         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2511         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2512         (Target_i386::got_tlsdesc_section): New function.
2513         (Target_i386::got_section): Create space for GOT entries for
2514         TLSDESC relocations.
2515         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2516         R_386_TLS_GOTDESC.
2517         (Target_i386::Scan::global): Likewise.
2518         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2519         using TLSDESC GOT.
2520         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2521         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2522         (Target_x86_64::got_tlsdesc_section): New function.
2523         (Target_x86_64::got_section): Create space for GOT entries for
2524         TLSDESC relocations.
2525         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2526         R_386_TLS_GOTDESC.
2527         (Target_x86_64::Scan::global): Likewise.
2528         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2529         using TLSDESC GOT.
2530
2531 2010-08-02  Ian Lance Taylor  <iant@google.com>
2532
2533         * testsuite/final_layout.sh: Use dc to convert from hex to
2534         decimal.
2535
2536 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2537
2538         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2539         paramter to the call to gold::gc_process_relocs.
2540         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2541         paramter to the call to gold::gc_process_relocs.
2542         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2543         parameter to the call to gold::gc_process_relocs.
2544         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2545         template parameter to the call to gold::gc_process_relocs.
2546         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2547         paramter to the call to gold::gc_process_relocs.
2548         * gc.h (get_embedded_addend_size): New function.
2549         (gc_process_relocs): Save the size of the reloc for use by ICF.
2550         * icf.cc (get_section_contents): Get the addend from the text section
2551         for SHT_REL relocation sections.
2552         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2553         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2554         * int_encoding.h (read_from_pointer): New overloaded function.
2555         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2556         * testsuite/icf_sht_rel_addend_test.sh: New file.
2557         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2558         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2559
2560 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2561
2562         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2563         * Makefile.in: Regenerate.
2564         * testsuite/Makefile.in: Regenerate.
2565
2566 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2567
2568         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2569         * gold/testsuite/debug_msg.cc: Likewise.
2570         * gold/testsuite/odr_violation1.cc
2571         * gold/testsuite/odr_violation2.cc
2572
2573 2010-07-21  Cary Coutant  <ccoutant@google.com>
2574
2575         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2576         string, and length fields.
2577         (Output_merge_string::Merged_strings_list): New type.
2578         (Output_merge_string::Merged_strings_lists): New typedef.
2579         (Output_merge_string): Replace merged_strings_ with
2580         merged_strings_lists_.
2581         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2582         Merged_strings_list per input object and section.  Don't store pointer
2583         to the string.  Don't store length with each merged string entry.
2584         (Output_merge_string::finalize_merged_data): Loop over list of merged
2585         strings lists.  Recompute length of each merged string.
2586
2587 2010-07-15  Cary Coutant  <ccoutant@google.com>
2588
2589         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2590         here.
2591
2592 2010-07-14  Ian Lance Taylor  <iant@google.com>
2593
2594         * descriptors.cc (Descriptors::open): Report correct name in error
2595         message.
2596
2597 2010-07-13  Doug Kwan  <dougkwan@google.com>
2598
2599         * arm.cc (Arm_input_section::Arm_input_section): For a
2600         SHT_ARM_EXIDX section, always keeps the input sections.
2601         (Arm_input_section::set_exidx_section_link): New method.
2602         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2603         has_errors_ to false.
2604         (Arm_exidx_input_section::has_errors,
2605         Arm_exidx_input_section::set_has_errors): New methods.
2606         (Arm_exidx_input_section::has_errors_): New data member.
2607         (Arm_relobj::get_exidx_shndx_list): New method.
2608         (Arm_output_section::append_text_sections_to_list): Do not skip
2609         section without SHF_EXECINSTR.
2610         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2611         errors.
2612         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2613         section header.  Make error messages more verbose.  Check for
2614         a non-executable section linked to an EXIDX section.
2615         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2616         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2617         check that there is no deferred EXIDX section if we exit early.
2618         Instead of not making an EXIDX section in case of an error, make one
2619         and set the has_errors flag of it.
2620         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2621         in a relocatable link.
2622         (Target_arm::do_relax): Look for the EXIDX output section instead of
2623         assuming that it is called .ARM.exidx.
2624         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2625         section list.  Do not check for SHF_EXECINSTR section flags but
2626         skip any input section with errors.
2627         * output.cc (Output_section::Output_section): Initialize
2628         always_keeps_input_sections_ to false.
2629         (Output_section::add_input_section): Check for
2630         always_keeps_input_sections_.
2631         *  output.h (Output_section::always_keeps_input_sections,
2632         Output_section::set_always_keeps_input_sections): New methods.
2633         (Output_section::always_keeps_input_sections): New data member.
2634
2635 2010-07-13  Rafael Espindola  <espindola@google.com>
2636
2637         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2638         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2639
2640 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2641             Ian Lance Taylor  <iant@google.com>
2642
2643         * output.h (Output_section_lookup_maps::add_merge_section):
2644         Correct check of whether value was inserted.
2645         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2646         (Output_section_lookup_maps::add_relaxed_input_section):
2647         Likewise.
2648         * arm.cc (Target_arm::got_section): Remove used local os.
2649         * i386.cc (Target_i386::got_section): Likewise.
2650         * x86_64.cc (Target_x86_64::got_section): Likewise.
2651         * sparc.cc (Target_sparc::got_section): Likewise.
2652         (Target_sparc::relocate): Remove unused local have_got_offset.
2653         * powerpc.cc (Target_powerpc::relocate): Likewise.
2654
2655 2010-07-13  Ian Lance Taylor  <iant@google.com>
2656
2657         * compressed_output.cc (zlib_decompress): Fix signature in
2658         !HAVE_ZLIB_H case.
2659
2660         * archive.cc (Archive::include_member): Unlock an external member
2661         of a thin archive.  Don't bother to delete an object we know is
2662         NULL.
2663
2664 2010-07-12  Cary Coutant  <ccoutant@google.com>
2665
2666         * compressed_output.cc (zlib_decompress): New function.
2667         (get_uncompressed_size): New function.
2668         (decompress_input_section): New function.
2669         * compressed_output.h (get_uncompressed_size): New function.
2670         (decompress_input_section): New function.
2671         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2672         Handle compressed debug sections.
2673         * layout.cc (is_compressed_debug_section): New function.
2674         (Layout::output_section_name): Map compressed section names to
2675         canonical names.
2676         * layout.h (is_compressed_debug_section): New function.
2677         (is_debug_info_section): Recognize compressed debug sections.
2678         * merge.cc: Include compressed_output.h.
2679         (Output_merge_data::do_add_input_section): Handle compressed
2680         debug sections.
2681         (Output_merge_string::do_add_input_section): Handle compressed
2682         debug sections.
2683         * object.cc: Include compressed_output.h.
2684         (Sized_relobj::Sized_relobj): Initialize new data members.
2685         (build_compressed_section_map): New function.
2686         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2687         * object.h (Object::section_is_compressed): New method.
2688         (Object::do_section_is_compressed): New method.
2689         (Sized_relobj::Compressed_section_map): New type.
2690         (Sized_relobj::do_section_is_compressed): New method.
2691         (Sized_relobj::compressed_sections_): New data member.
2692         * output.cc (Output_section::add_input_section): Handle compressed
2693         debug sections.
2694         * reloc.cc: Include compressed_output.h.
2695         (Sized_relobj::write_sections): Handle compressed debug sections.
2696
2697 2010-07-08  Cary Coutant  <ccoutant@google.com>
2698
2699         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2700         weak when resolving to a dynamic def.
2701         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2702         for weak undef/dynamic def cases. Adjust callers.
2703         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2704         undef_binding_weak_.
2705         (Symbol_table::sized_write_globals): Adjust symbol binding.
2706         (Symbol_table::sized_write_symbol): Add binding parameter.
2707         * symtab.h (Symbol::set_undef_binding): New method.
2708         (Symbol::is_undef_binding_weak): New method.
2709         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2710         (Symbol_table::should_override): Add new parameter.
2711         (Symbol_table::sized_write_symbol): Add new parameter.
2712
2713         * testsuite/weak_undef_file1.cc: Add new test case.
2714         * testsuite/weak_undef_file2.cc: Fix header comment.
2715         * testsuite/weak_undef_test.cc: Add new test case.
2716
2717 2010-06-29  Doug Kwan  <dougkwan@google.com>
2718
2719         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
2720         Initialize USE_SYMBOL_.
2721         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
2722         definition.
2723         (Arm_reloc_property::uses_symbol_): New data member declaration.
2724         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
2725         uses symbol value and symbol is undefined but not weakly undefined.
2726
2727 2010-06-28  Rafael Espindola  <espindola@google.com>
2728
2729         * plugin.cc (Plugin::load): Use dlerror.
2730
2731 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2732
2733         * symtab.cc (detect_odr_violations): When reporting an ODR
2734         violation, report an object where the symbol is defined.
2735
2736 2010-06-25  Doug Kwan  <dougkwan@google.com>
2737
2738         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
2739         (Target_arm::section_may_have_icf_unsafe_pointers): New method
2740         definition.
2741         (Target_arm::Scan::local_reloc_may_be_function_pointer,
2742         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
2743         target hook to detect function points.
2744         (Target_arm::Scan::possible_function_pointer_reloc): New method.
2745         * icf.h (Icf::check_section_for_function_pointers): Change type of
2746         parameter SECTION_NAME to const reference to std::string.  Use
2747         target hook to determine if section may have unsafe pointers.
2748         * target.h (Target::section_may_have_icf_unsafe_pointers): New
2749         method definition.
2750
2751 2010-06-21  Rafael Espindola  <espindola@google.com>
2752
2753         * fileread.cc (Input_file::find_fie): New
2754         (Input_file::open): Use Input_file::find_fie.
2755         * fileread.h (Input_file::find_fie): New
2756         * plugin.cc (set_extra_library_path): New.
2757         (Plugin::load): Add set_extra_library_path to the transfer vector.
2758         (Plugin_manager::set_extra_library_path): New.
2759         (Plugin_manager::add_input_file): Use the extra search path if set.
2760         (set_extra_library_path(): New.
2761         * plugin.h (Plugin_manager): Add set_extra_library_path and
2762         extra_search_path_.
2763
2764 2010-06-19  Cary Coutant  <ccoutant@google.com>
2765
2766         * layout.cc (gdb_sections): Add .debug_types.
2767         (lines_only_debug_sections): Likewise.
2768
2769 2010-06-18  Rafael Espindola  <espindola@google.com>
2770
2771         * plugin.cc (add_input_file,add_input_library)
2772         (Plugin_manager::add_input_file): Make filename arguments const.
2773         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
2774         const.
2775
2776 2010-06-16  Doug Kwan  <dougkwan@google.com>
2777
2778         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
2779         .ARM.attributes section if we have not merged any input
2780         attributes sections.
2781
2782 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2783
2784         * arm.cc: Allow combining objects with no EABI version
2785         information.
2786
2787 2010-06-15  Rafael Espindola  <espindola@google.com>
2788
2789         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
2790
2791 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2792
2793         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
2794         (struct iovec): Correct !HAVE_READV definition.
2795
2796 2010-06-10  Cary Coutant  <ccoutant@google.com>
2797
2798         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
2799         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
2800         reloc sections.
2801         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
2802
2803         PR 11683
2804         * symtab.h (Symbol::is_placeholder): New member function.
2805         * target-reloc.h (relocate_section): Check for placeholder symbols.
2806
2807         * testsuite/Makefile.am (plugin_test_8): New test.
2808         (plugin_test_9): New test.
2809         * testsuite/Makefile.in: Regenerate.
2810
2811 2010-06-09  Nick Clifton  <nickc@redhat.com>
2812
2813         * yyscript.y (input_list_element): Allow strings prefixed with
2814         the '-' character.  Treat these as libraries.
2815         * script.cc (script_add_library): New function.  Adds a library
2816         specified by "-l<name>" found in an input script.
2817         * script-c.h: Add prototype for script_add_library.
2818
2819 2010-06-07  Doug Kwan  <dougkwan@google.com>
2820
2821         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
2822         Restrict stub-group size to be within long conditional branch
2823         range when working around cortex-A8 erratum.
2824
2825 2010-06-07  Damien Diederen  <dd@crosstwine.com>
2826
2827         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
2828         #ifdef typo.
2829
2830 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
2831
2832         PR gold/11658
2833         * output.cc
2834         (Output_section::Input_section_sort_entry::compare_section_ordering):
2835         Change to return non-zero correctly.
2836         (Output_section::Input_section_sort_section_order_index_compare
2837         ::operator()): Change to fix ambiguity in comparisons.
2838
2839 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
2840
2841         * gold.h (is_wildcard_string): New function.
2842         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
2843         (Layout::layout_eh_frame): Ditto.
2844         (Layout::find_section_order_index): New method.
2845         (Layout::read_layout_from_file): New method.
2846         * layout.h (Layout::find_section_order_index): New method.
2847         (Layout::read_layout_from_file): New method.
2848         (Layout::input_section_position_): New private member.
2849         (Layout::input_section_glob_): New private member.
2850         * main.cc (main): Call read_layout_from_file here.
2851         * options.h (--section-ordering-file): New option.
2852         * output.cc (Output_section::input_section_order_specified_): New
2853         member.
2854         (Output_section::Output_section): Initialize new member.
2855         (Output_section::add_input_section): Add new parameter.
2856         Keep input sections when --section-ordering-file is used.
2857         (Output_section::set_final_data_size): Sort input sections when
2858         section ordering file is specified.
2859         (Output_section::Input_section_sort_entry): Add new parameter.
2860         Check sorting type.
2861         (Output_section::Input_section_sort_entry::compare_section_ordering):
2862         New method.
2863         (Output_section::Input_section_sort_compare::operator()): Change to
2864         consider section_order_index.
2865         (Output_section::Input_section_sort_init_fini_compare::operator()):
2866         Change to consider section_order_index.
2867         (Output_section::Input_section_sort_section_order_index_compare
2868         ::operator()): New method.
2869         (Output_section::sort_attached_input_sections): Change to sort
2870         according to section order when specified.
2871         (Output_section::add_input_section<32, true>): Add new parameter.
2872         (Output_section::add_input_section<64, true>): Add new parameter.
2873         (Output_section::add_input_section<32, false>): Add new parameter.
2874         (Output_section::add_input_section<64, false>): Add new parameter.
2875         * output.h (Output_section::add_input_section): Add new parameter.
2876         (Output_section::input_section_order_specified): New
2877         method.
2878         (Output_section::set_input_section_order_specified): New method.
2879         (Input_section::Input_section): Initialize section_order_index_.
2880         (Input_section::section_order_index): New method.
2881         (Input_section::set_section_order_index): New method.
2882         (Input_section::section_order_index_): New member.
2883         (Input_section::Input_section_sort_section_order_index_compare): New
2884         struct.
2885         (Output_section::input_section_order_specified_): New member.
2886         * script-sections.cc (is_wildcard_string): Delete and move modified
2887         method to gold.h.
2888         (Output_section_element_input::Output_section_element_input): Modify
2889         call to is_wildcard_string.
2890         (Output_section_element_input::Input_section_pattern
2891         ::Input_section_pattern): Ditto.
2892         (Output_section_element_input::Output_section_element_input): Ditto.
2893         * testsuite/Makefile.am (final_layout): New test case.
2894         * testsuite/Makefile.in: Regenerate.
2895         * testsuite/final_layout.cc: New file.
2896         * testsuite/final_layout.sh: New file.
2897
2898 2010-06-01  Rafael Espindola  <espindola@google.com>
2899
2900         * plugin.cc (Plugin::load): Pass the output name to the plugin.
2901
2902 2010-06-01  Rafael Espindola  <espindola@google.com>
2903
2904         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
2905         visibility of symbols.
2906
2907 2010-05-27  Doug Kwan  <dougkwan@google.com>
2908
2909         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
2910         from start of output section instead of address for a local symbol
2911         in a merged or relaxed section when doing a relocatable link.
2912
2913 2010-05-26  Rafael Espindola  <espindola@google.com>
2914
2915        PR 11604
2916         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
2917         adding sections the garbage collector removed.
2918         * gold/testsuite/Makefile.am: Add test.
2919         * gold/testsuite/Makefile.in: Regenerate.
2920         * gold/testsuite/plugin_test_7.sh: New.
2921         * gold/testsuite/plugin_test_7_1.c: New.
2922         * gold/testsuite/plugin_test_7_2.c: New.
2923
2924 2010-05-26  Rafael Espindola  <espindola@google.com>
2925
2926         * script-sections.cc (Output_section_definition::set_section_addresses):
2927         Check for --section-start.
2928
2929 2010-05-26  Doug Kwan  <dougkwan@google.com>
2930
2931         * arm.cc (Arm_scan_relocatable_relocs): New class.
2932         (Target_arm::relocate_special_relocatable): New method.
2933         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
2934         (Arm_relocate_functions::thumb_branch_common): Same.
2935         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
2936         instead of Default_scan_relocatable_relocs.
2937         * target-reloc.h (relocate_for_relocatable): Let target handle
2938         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
2939         * target.h (Sized_target::relocate_special_relocatable): New method.
2940
2941 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2942
2943         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
2944
2945 2010-05-23  Doug Kwan  <dougkwan@google.com>
2946
2947         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
2948         instead of a cast.
2949         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
2950         with a direct branch, not a conditional branch, to a stub.
2951         * merge.cc (Output_merge_base::record_input_section): New method
2952         defintion.
2953         (Output_merge_data::do_add_input_section): Record input section if
2954         keeps-input-sections flag is set.
2955         (Output_merge_string::do_add_input_section): Ditto.
2956         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
2957         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
2958         INPUT_SECTIONS_.
2959         (Output_merge_base::keeps_input_sections,
2960         Output_merge_base::set_keeps_input_sections,
2961         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
2962         method definitions.
2963         (Output_merge_base::Input_sections): New type declaration.
2964         (Output_merge_base::input_sections_begin,
2965         Output_merge_base::input_sections_end,
2966         Output_merge_base::do_set_keeps_input_sections): New method definitions.
2967         (Output_merge_base::bool keeps_input_sections_,
2968         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
2969         Output_merge_base::input_sections_): New data members.
2970         (Output_merge_data::do_set_keeps_input_sections): New method
2971         defintion.
2972         (Output_merge_string::do_set_keeps_input_sections): Ditto.
2973         * output.cc (Output_section::Input_section::relobj): Move method
2974         defintion from class declaration to here and handle merge sections.
2975         (Output_section::Input_section::shndx): Ditto.
2976         (Output_section::Output_section): Remove initializations of removed
2977         data members and initialize new data member LOOKUP_MAPS_.
2978         (Output_section::add_input_section): Set keeps-input-sections flag
2979         for a newly created merge output section as appropriate.  Adjust code
2980         to use Output_section_lookup_maps class.
2981         (Output_section::add_relaxed_input_section): Adjst code for lookup
2982         maps code refactoring.
2983         (Output_section::add_merge_input_section): Add a new parameter
2984         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
2985         class.  If adding input section to a newly created merge output
2986         section fails, remove the new merge section.
2987         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
2988         Adjust code for use of the Output_section_lookup_maps class.
2989         (Output_section::find_merge_section): Ditto.
2990         (Output_section::build_lookup_maps): New method defintion.
2991         (Output_section::find_relaxed_input_section): Adjust code to use
2992         Output_section_lookup_maps class.
2993         (Output_section::get_input_sections): Export merge sections.  Adjust
2994         code to use Output_section_lookup_maps class.
2995         (Output_section:::add_script_input_section): Adjust code to use
2996         Output_section_lookup_maps class.  Update lookup maps for merge
2997         sections also.
2998         (Output_section::discard_states): Use Output_section_lookup_maps.
2999         (Output_section::restore_states): Same.
3000         * output.h (Merge_section_properties): Move class defintion out of
3001         Output_section.
3002         (Output_section_lookup_maps): New class.
3003         (Output_section::Input_section::is_merge_section): New method
3004         defintion.
3005         (Output_section::Input_section::relobj): Move defintion out of class
3006         defintion.  Declare method only.
3007         (Output_section::Input_section::shndx): Ditto.
3008         (Output_section::Input_section::output_merge_base): New method defintion.
3009         (Output_section::Input_section::u2_.pomb): New union field.
3010         (Output_section::Merge_section_by_properties_map,
3011         Output_section::Output_section_data_by_input_section_map,
3012         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3013         Remove types.
3014         (Output_section::add_merge_input_section): Add new parameter
3015         KEEPS_INPUT_SECTIONS.
3016         (Output_section::build_lookup_maps): New method declaration.
3017         (Output_section::merge_section_map_,
3018         Output_section::merge_section_by_properties_map_,
3019         Output_section::relaxed_input_section_map_,
3020         Output_section::is_relaxed_input_section_map_valid_): Remove data
3021         members.
3022         (Output_section::lookup_maps_): New data member.
3023
3024 2010-05-21  Doug Kwan  <dougkwan@google.com>
3025
3026         PR gold/11619
3027         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3028         avoid a compilation error.
3029
3030 2010-05-19  Rafael Espindola  <espindola@google.com>
3031
3032         * script-sections.cc (Output_section_definition::allocate_to_segment):
3033         Update the phdrs_list even when the output section is NULL.
3034         * testsuite/Makefile.am: Add test.
3035         * testsuite/Makefile.in: Regenerate.
3036         * testsuite/script_test_9.cc: New.
3037         * testsuite/script_test_9.sh: New.
3038         * testsuite/script_test_9.t: New.
3039
3040 2010-05-19  Doug Kwan  <dougkwan@google.com>
3041
3042         * arm.cc (Arm_input_section::original_size): New method.
3043         (Arm_input_section::do_addralign): Add a cast.
3044         (Arm_input_section::do_output_offset): Remove static cast.
3045         (Arm_input_section::original_addralign,
3046          Arm_input_section::original_size_): Change type to uint32_t.
3047         (Arm_input_section::init): Add safe casts for section alignment
3048         and size.
3049         (Arm_input_section::set_final_data_size): Do not set address and
3050         offset of stub table.
3051         (Arm_output_section::fix_exidx_coverage): Change use of of
3052         Output_section::Simple_input_section to that of
3053         Output_section::Input_section.
3054         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3055         except for the first pass.
3056         * output.cc (Output_section::get_input_sections): Change type of
3057         input_sections to std::list<Input_section>.
3058         (Output_section::add_script_input_section): Rename from
3059         Output_section::add_simple_input_section.  Change type of SIS
3060         parameter from Simple_input_section to Input_section.
3061         * output.h (Output_section::Simple_input_section): Remove class.
3062         (Output_section::Input_section): Change class visibility to public.
3063         (Output_section::Input_section::addralign): Use stored alignments
3064         for special input sections if set.
3065         (Output_section::Input_section::set_addralign): New method.
3066         (Output_section::get_input_sections): Change parameter type from
3067         list of Simple_input_section to list of Input_section.
3068         (Output_section::add_script_input_section): Rename from
3069         Output_section::add_simple_input_section. Change first parameter's
3070         type from Simple_input_section to Input_section and remove the
3071         second and third parameters.
3072         * script-sections.cc (Input_section::Input_section_list): Change
3073         type to list of Output_section::Input_section/
3074         (Input_section_info::Input_section_info): Change parameter type of
3075         INPUT_SECTION to Output_section::Input_section.
3076         (Input_section_info::input_section): Change return type.
3077         (Input_section_info::input_section_): Change type to
3078         Output_section::Input_section.
3079         (Output_section_element_input::set_section_addresses): Adjust code
3080         to use Output_section::Input_section instead of
3081         Output_section::Simple_input_section.  Adjust code for renaming
3082         of Output_section::add_simple_input_section.
3083         (Orphan_output_section::set_section_addresses): Ditto.
3084
3085 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3086
3087         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3088         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3089
3090 2010-05-18  Rafael Espindola  <espindola@google.com>
3091
3092         * options.cc (General_options::finalize): Handle -nostdlib.
3093         * options.h (nostdlib): New option.
3094         * script.cc (script_add_search_dir): Handle -nostdlib.
3095
3096 2010-05-12  Doug Kwan  <dougkwan@google.com>
3097
3098         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3099         attributes section only if there no attributes section after merging.
3100         (Target_arm::merge_object_attributes): Move value of
3101         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3102         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3103         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3104         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3105         and arm_attr_merge_7.stdout.
3106         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3107         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3108         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3109         arm_attr_merge_7b.o): New rules.
3110         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3111         arm_attr_merge_7
3112         * testsuite/Makefile.in: Regenerate.
3113         * testsuite/arm_attr_merge.sh: New file.
3114         * testsuite/arm_attr_merge_[67][ab].s: Same.
3115
3116 2010-05-05  Nick Clifton  <nickc@redhat.com>
3117
3118         * po/es.po: Updated Spanish translation.
3119
3120 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3121
3122         * Makefile.am (install-exec-local): Properly install gold as
3123         default cross linker.
3124         * Makefile.in: Regenerated.
3125
3126 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3127             Nick Clifton  <nickc@redhat.com>
3128
3129         * configure.ac (install_as_default): Define and set to false
3130         unless --enable-gold or --enable-gold=both/gold has been
3131         specified.
3132         * configure: Regenerate.
3133
3134         * Makefile.am (install-exec-local): Install the executable as
3135         'ld.gold'.  If install_as_default is true then also install it as
3136         'ld'.
3137         * Makefile.in: Regenerated.
3138
3139 2010-04-24  Ian Lance Taylor  <iant@google.com>
3140
3141         * layout.cc (Layout::layout_reloc): In relocatable link don't
3142         combine reloc sections for grouped sections.
3143
3144 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3145
3146         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3147         sections that are not ordinary to icf.
3148         * icf.cc (get_section_contents): Handle relocation pointing to section
3149         with no object or shndx information.
3150         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3151         * testsuite/Makefile.in: Regenerate.
3152         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3153         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3154
3155 2010-04-22  Ian Lance Taylor  <iant@google.com>
3156
3157         * expression.cc (Expression::Expression_eval_info): Add
3158         result_alignment_pointer field.
3159         (Expression::eval_with_dot): Add result_alignment_pointer
3160         parameter.  Change all callers.
3161         (Expression::eval_maybe_dot): Likewise.
3162         (class Binary_expression): Add alignment_pointer parameter to
3163         left_value and right_value.  Change all callers.
3164         (BINARY_EXPRESSION): Set result alignment.
3165         (class Trinary_expression): Add alignment_pointer parameter to
3166         arg2_value and arg3_value.  Change all callers.
3167         (Trinary_cond::value): Set result alignment.
3168         (Max_expression::value, Min_expression::value): Likewise.
3169         (Align_expression::value): Likewise.
3170         * script-sections.cc (class Sections_element): Add dot_alignment
3171         parameter to set_section_addresses virtual function.  Update
3172         instantiations.
3173         (class Output_section_element): Likewise.
3174         (Script_sections::create_segments): Add dot_alignment parameter.
3175         Change all callers.
3176         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3177         (Script_sections::set_phdrs_clause_addresses): Likewise.
3178         * script-sections.h: Update declarations.
3179         * script.h: Update declarations.
3180         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3181         min_p_align.
3182         * testsuite/script_test_3.t: Set large alignment.
3183         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3184         segment has expected alignment.
3185
3186 2010-04-22  Nick Clifton  <nickc@redhat.com>
3187
3188         * po/gold.pot: Updated by the Translation project.
3189         * po/vi.po: Updated Vietnamese translation.
3190
3191 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3192
3193         * testsuite/Makefile.am (check_PROGRAMS): Add
3194         icf_virtual_function_folding_test.
3195         * testsuite/Makefile.in: Regenerated.
3196
3197 2010-04-15  Andrew Haley  <aph@redhat.com>
3198
3199         * options.h (merge_exidx_entries): New option.
3200         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3201         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3202         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3203         (Target_arm::merge_exidx_entries): New function.
3204         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3205         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3206         to Arm_exidx_fixup constructor.
3207         Add new arg, merge_exidx_entries.
3208         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3209         Arm_output_section::fix_exidx_coverage.
3210
3211 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3212
3213         * icf.cc (get_section_contents): Check for preemptible functions.
3214         Ignore addend when appropriate.
3215         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3216         section folded.
3217         (add_from_relobj): Check for section folded.
3218         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3219         * symtab.h (should_add_dynsym_entry): Add new parameter.
3220         * target-reloc.h (scan_relocs): Check for section folded.
3221         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3222         Check reloc types for function pointers in shared objects.
3223         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3224         case.
3225         (icf_preemptible_functions_test): New test case.
3226         (icf_string_merge_test): New test case.
3227         * testsuite.Makefile.in: Regenerate.
3228         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3229         bar_glob.  Refactor code.
3230         * testsuite/icf_preemptible_functions_test.cc: New file.
3231         * testsuite/icf_preemptible_functions_test.sh: New file.
3232         * testsuite/icf_string_merge_test.cc: New file.
3233         * testsuite/icf_string_merge_test.sh: New file.
3234         * testsuite/icf_virtual_function_folding_test.cc: New file.
3235         * testsuite/icf_virtual_function_folding_test.sh: New file.
3236
3237 2010-04-14  Doug Kwan  <dougkwan@google.com>
3238
3239         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3240         for local symbol recounting if we remove a section due to ICF.
3241         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3242         there are no regular objects in input.
3243
3244 2010-04-13  Doug Kwan  <dougkwan@google.com>
3245
3246         * arm.cc (Arm_input_section::set_final_data_size): Compute
3247         accurate final data size instead of using current data size.
3248
3249 2010-04-09  Doug Kwan  <dougkwan@google.com>
3250
3251         * layout.cc (Layout::choose_output_section): Handle script section
3252         types.
3253         (Layout::make_output_section_for_script): Add section type parameter.
3254         Handle script section types.
3255         * layout.h (Layout::make_output_section_for_script): Add section
3256         type parameter.
3257         * output.cc (Output_section::Output_section): Initialize data member
3258         is_noload_.
3259         (Output_section::do_reset_address_and_file_offset): Do not set address
3260         to 0 if section is a NOLOAD section.
3261         * output.h (Output_section::is_noload): New method.
3262         (Output_section::set_is_noload): Ditto.
3263         (Output_section::is_noload_): New data member.
3264         * script-c.h (Script_section_type): New enum type.
3265         (struct Parser_output_section_header): Add new file section_type.
3266         * script-sections.cc (Sections_element::output_section_name): Add
3267         parameter for returning script section type.
3268         (Output_section_definition::output_section_name): Ditto.
3269         (Output_section_definition::section_type)P; New method.
3270         (Output_section_definiton::script_section_type_name): Ditto.
3271         (Output_section_definition::script_section_type_): New data member.
3272         (Output_section_definition::Output_section_definition): Initialize
3273         data member Output_section_definition::script_section_type_.
3274         (Output_section_definition::create_sections): Pass script section type
3275         to Layout::make_output_section_for_script.
3276         (Output_section_definition::output_section_name): Return script
3277         section type to caller.
3278         (Output_section_definition::set_section_address): Do not advance
3279         dot value and load address if section type is NOLOAD.  Set address
3280         of NOLOAD sections regardless of section flags.
3281         (Output_section_definition::print): Print section type if it is
3282         not SCRIPT_SECTION_TYPE_NONE.
3283         (Output_section_definition::section_type): New method.
3284         (Output_section_definition::script_section_type_name): Ditto.
3285         (Script_sections::output_section_name): Add new parameter
3286         PSECTION_TYPE for returning script section type.  Pass it to
3287         section elements.  Handle discard sections.
3288         (Sort_output_sections::operator()): Handle NOLOAD sections.
3289         * script-sections.h (Script_sections::Section_type): New enum type.
3290         (Script_sections::output_section_name): Add a new parameter for
3291         returning script section type.
3292         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
3293         INFO and NOLOAD.
3294         * yyscript.y (union): Add new field SECTION_TYPE.
3295         (COPY, DSECT, INFO, NOLOAD): New tokens.
3296         (opt_address_and_section_type): Change type to output_section_header.
3297         (section_type): New non-terminal
3298         (section_header): Handle section type.
3299         (opt_address_and_section_type): Return section type value.
3300
3301 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3302
3303         * testsuite/plugin_common_test_1.c (foo): Add prototype.
3304         * testsuite/plugin_common_test_2.c (foo): Likewise.
3305
3306 2010-04-08  Doug Kwan  <dougkwan@google.com>
3307
3308         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
3309         Output_merge_data.
3310         * output.cc (Output_section::add_merge_input_section): Simplify
3311         code and return status of Output_merge_base::add_input_section.
3312         Update merge section map only if Output_merge_base::add_input_section
3313         returns true.
3314
3315 2010-04-07  Doug Kwan  <dougkwan@google.com>
3316
3317         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
3318         if section is marked as containing instructions but has no mapping
3319         symbols.
3320         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
3321         correct section index.
3322         (Arm_relobj::find_linked_text_section): Ditto.
3323
3324 2010-04-07  Cary Coutant  <ccoutant@google.com>
3325
3326         * archive.cc (include_member): Destroy Read_symbols_data object before
3327         releasing file.
3328         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
3329         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
3330         (Read_symbols_data::~Read_symbols_data) New destructor.
3331         (Section_relocs::Section_relocs) New constructor.
3332         (Section_relocs::~Section_relocs) New destructor.
3333         (Read_relocs_data::Read_relocs_data) New constructor.
3334         (Read_relocs_data::~Read_relocs_data) New destructor.
3335         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
3336         pointers to NULL after deleting.
3337
3338 2010-04-07  Doug Kwan  <dougkwan@google.com>
3339
3340         * arm.cc: Replace "endianity" with "endianness" in comments.
3341         (Arm_exidx_cantunwind): Ditto.
3342         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
3343         (Arm_relobj::merge_flags_and_attributes): New method.
3344         (Arm_relobj::merge_flags_and_attributes_): New data member.
3345         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
3346         (Arm_relobj::scan_sections_for_stubs): Ditto.
3347         (Arm_relobj::do_read_symbols): Check to see if we really want to
3348         merge processor-specific flags and attributes.  Exit early if
3349         an object is empty except for section names and the undefined symbol.
3350         (Target_arm::do_finalize_sections): Move check for ELF format to
3351         Arm_relobj::do_read_symbols.  Merge processor specific flags and
3352         attributes from a regular object only when we have determined that
3353         it is aapropriate.  Do not create an .ARM.attributes section in
3354         output if there is no regular input object.
3355         (Target_arm::merge_processor_specific_flags): Check
3356         --warn-mismatch before printing any error.
3357         (Target_arm::merge_object_attributes): Ditto.
3358         * gold.cc (queue_middle_tasks): Handle the case in which there is
3359         no regular object in input.
3360         * options.cc (General_options::parse_EB): New method.
3361         (General_options::parse_EL): Same.
3362         (General_options::General_options): Initialize endianness_.
3363         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
3364         New options.
3365         (General_options::Endianness): New enum.
3366         (General_options::endianness): New method.
3367         (General_options::endianness_): New data member.
3368         * parameters.cc (Parameters::set_options): Check target endianness.
3369         (Parameters::set_target_once): Ditto.
3370         (Parameters::check_target_endianness): New method.
3371         (parameters_force_valid_target): If either -EL or -EB is specified,
3372         use it to define endianness of default target.
3373         * parameters.h (Parameters::check_target_endianness): New method
3374         declaration.
3375         * target.h (class Target): Change "endianity" to "endianness"
3376         in comments.
3377
3378 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3379
3380         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
3381         * configure: Regenerate.
3382         * Makefile.in: Regenerate.
3383         * testsuite/Makefile.in: Regenerate.
3384
3385 2010-04-06  Cary Coutant  <ccoutant@google.com>
3386
3387         gcc PR lto/42757
3388         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
3389         prevailing definitions of common symbols.
3390         * testsuite/plugin_test_6.sh: New test case.
3391         * testsuite/plugin_common_test_1.c: New test case.
3392         * testsuite/plugin_common_test_2.c: New test case.
3393         * testsuite/Makefile.am (plugin_test_6): New test case.
3394         * testsuite/Makefile.in: Regenerate.
3395
3396 2010-04-06  Nick Clifton  <nickc@redhat.com>
3397
3398         * po/vi.po: New Vietnamese translation.
3399
3400 2010-03-30  Doug Kwan  <dougkwan@google.com>
3401
3402         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
3403
3404 2010-03-25  Doug Kwan  <dougkwan@google.com>
3405
3406         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3407         to avoid a conversion warning on a 32-bit host.
3408
3409 2010-03-24  Ian Lance Taylor  <iant@google.com>
3410
3411         * testsuite/script_test_3.t: Add a TLS segment.
3412         * testsuite/Makefile.am (check_PROGRAMS): Add
3413         tls_phdrs_script_test.
3414         (tls_phdrs_script_test_SOURCES): Define.
3415         (tls_phdrs_script_test_DEPENDENCIES): Define.
3416         (tls_phdrs_script_test_LDFLAGS): Define.
3417         (tls_phdrs_script_test_LDADD): Define.
3418         * testsuite/Makefile.in: Rebuild.
3419
3420 2010-03-23  Cary Coutant  <ccoutant@google.com>
3421
3422         * fileread.cc (find_or_make_view): Fix comment.
3423
3424 2010-03-23  Ian Lance Taylor  <iant@google.com>
3425
3426         * script-sections.cc (class Orphan_section_placement): Define
3427         PLACE_TLS and PLACE_TLS_BSS.
3428         (Orphan_section_placement::Orphan_section_placement): Initialize
3429         new places.
3430         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3431         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3432         (tls_script_test_SOURCES): Define.
3433         (tls_script_test_DEPENDENCIES): Define.
3434         (tls_script_test_LDFLAGS): Define.
3435         (tls_script_test_LDADD): Define.
3436         * testsuite/Makefile.in: Rebuild.
3437
3438 2010-03-22  Doug Kwan  <dougkwan@google.com>
3439
3440         * arm.cc (Arm_relocate_functions::abs8,
3441         Arm_relocate_functions::abs16): Use correct check for overflow
3442         specified in the ARM ELF specs.
3443         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3444         target of a BLX instruction specially.
3445         (Reloc_stub::stub_type_for_reloc): Ditto.
3446         (Relocate::relocate): Use symbolic names instead of numeric relocation
3447         codes to report error.
3448         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3449         workaround.
3450         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3451         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3452         thumb2_blx_out_of_range.stdout
3453         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3454         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3455         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3456         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3457         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3458         thumb2_blx_in_range, thumb2_blx_in_range.o,
3459         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3460         thumb2_blx_out_of_range.o): New rules.
3461         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3462         thumb2_blx_in_range and thumb2_blx_out_of_range.
3463         * testsuite/Makefile.in: Regenerate.
3464         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3465         * testsuite/thumb_blx_in_range.s: New file.
3466         * testsuite/thumb_blx_out_of_range.s: New file.
3467
3468 2010-03-22  Rafael Espindola  <espindola@google.com>
3469
3470         * archive.cc (Should_include): Move to archive.h.
3471         (should_include_member): Make it a member of Archive.
3472         (Lib_group): New.
3473         (Add_lib_group_symbols): New.
3474         * archive.h: Include options.h.
3475         (Archive_member): Moved from Archive.
3476         (Should_include): Moved from archive.cc.
3477         (Lib_group): New.
3478         (Add_lib_group_symbols): New.
3479         * dynobj.cc (do_should_include_member): New.
3480         * dynobj.h (do_should_include_member): New.
3481         * gold.cc (queue_initial_tasks): Update call to queue.
3482         * main.cc (main): Print lib group stats.
3483         * object.cc (do_should_include_member): New.
3484         * object.h: Include archive.h.
3485         (Object::should_include_member): New.
3486         (Object::do_should_include_member): New.
3487         (Sized_relobj::do_should_include_member): New.
3488         * options.cc (General_options::parse_start_lib): New.
3489         (General_options::parse_end_lib): New.
3490         (Input_arguments::add_file): Handle lib groups.
3491         (Input_arguments::start_group): Check we are not in a lib.
3492         (Input_arguments::start_lib): New.
3493         (Input_arguments::end_lib): New.
3494         * options.h (General_options): Add start_lib and end_lib.
3495         (Input_argument::lib_): New.
3496         (Input_argument::lib): New.
3497         (Input_argument::is_lib): New.
3498         (Input_file_lib): New.
3499         (Input_arguments::in_lib_): New.
3500         (Input_arguments::in_lib): New.
3501         (Input_arguments::start_lib): New.
3502         (Input_arguments::end_lib_): New.
3503         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3504         in unused members as preempted.
3505         (Sized_pluginobj::do_should_include_member): New.
3506         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3507         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3508         return the blocker.
3509         (Read_symbols::do_whole_lib_group): New.
3510         (Read_symbols::do_lib_group): New.
3511         (Read_symbols::do_read_symbols): Handle lib groups.
3512         (Read_symbols::get_name): Handle lib groups.
3513         * readsyms.h (Read_symbols): Add an archive member pointer.
3514         (Read_symbols::do_whole_lib_group): New.
3515         (Read_symbols::do_lib_group): New.
3516         (Read_symbols::member_): New.
3517         * script.cc (read_input_script): Update call to queue_soon.
3518
3519 2010-03-19  Doug Kwan  <dougkwan@google.com>
3520
3521         * arm.cc (Stub_table::Stub_table): Initialize new data members
3522         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3523         (Stub_table::add_reloc_stub): Assign stub offset and update
3524         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3525         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3526         New data members.
3527         (Stub_table::update_data_size_and_addralign): Use
3528         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3529         instead of going over all reloc stubs.
3530         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3531         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3532         Stringpool_template::offset_ to size of Stringpool_char.
3533         (Stringpool_template::new_key_offset): Remove code to initialize
3534         Stringpool_template::offset_.
3535         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3536         Stringpool_template::offset_ to zero.
3537
3538 2010-03-15  Doug Kwan  <dougkwan@google.com>
3539
3540         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3541         offset_.
3542         (Stringpool_template::new_key_offset): New method.
3543         (Stringpool_template::add_string): Assign offsets when adding new
3544         strings.
3545         (Stringpool_template::set_string_offsets): Do not set string offsets
3546         when not optimizing.
3547         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3548         member size_.
3549         (Chunked_vector::clear): Clear size_.
3550         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3551         (Chunked_vector::size): Return size_.
3552         (Chunked_vector::push_back): Use size_ to find insert position.
3553         (Chunked_vector::size_): New data member.
3554         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3555         (Stringpool_template::new_key_offset): New method declaration.
3556         (Stringpool_template::offset_): New data member.
3557
3558 2010-03-15   Rafael Espindola  <espindola@google.com>
3559
3560         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3561         Add_symbols' constructor.
3562         * readsyms.h (Add_symbols): Remove the input_group member.
3563
3564 2010-03-10  Ian Lance Taylor  <iant@google.com>
3565
3566         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3567         target to ask whether a reference to a symbol requires a stack
3568         split.
3569         * target.h (Target::is_call_to_non_split): New function.
3570         (Target::do_is_call_to_non_split): Declare virtual function.
3571         * target.cc: Include "symtab.h".
3572         (Target::do_is_call_to_non_split): New function.
3573         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3574
3575 2010-03-10  Cary Coutant  <ccoutant@google.com>
3576
3577         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3578         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3579         (File_read::open[2]): Add whole_file_view_ to list of views.
3580         (File_read::make_view): Remove test of whole_file_view_.
3581         (File_read::find_or_make_view): Create whole_file_view_ if
3582         necessary.
3583         (File_read::clear_views): Replace bool parameter with enum;
3584         adjust all callers.  Don't delete views with permanent data;
3585         do delete cached views and views from archives if
3586         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3587         if clearing the corresponding view.
3588         * fileread.h (File_read::Clear_views_mode): New enum.
3589         (File_read::View::is_permanent_view): New method.
3590         (File_read::clear_views): Replace bool parameter
3591         with enum; adjust all callers.
3592         * options.h (General_options): Change keep_files_mapped option;
3593         add map_whole_files.
3594         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3595         releasing the file.
3596         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3597         the file.
3598
3599 2010-03-10  David S. Miller  <davem@davemloft.net>
3600
3601         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3602
3603 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3604
3605         * icf.cc (get_section_contents): Add '@' marker after processing the
3606         merge reloc.
3607
3608 2010-03-08  Doug Kwan  <dougkwan@google.com>
3609
3610         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3611         due to a conversion warning.
3612         (Arm_relobj::update_output_local_symbol_count): Check for local
3613         symbol with unset output index.
3614
3615 2010-03-05  Ian Lance Taylor  <iant@google.com>
3616
3617         * options.h (class General_options): Add --spare-dynamic-tags.
3618         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3619         --spare-dynamic-tags.
3620
3621 2010-03-05  Ian Lance Taylor  <iant@google.com>
3622
3623         * incremental.cc: Include "libiberty.h".
3624
3625 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3626
3627         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3628         function, is_info_ member.
3629         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3630         (Versions::Versions): Update caller.
3631         (Versions::define_base_version): Likewise.
3632         (Versions::add_def): Likewise.
3633
3634 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3635
3636         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3637         (Scan::possible_function_pointer_reloc): New function.
3638         (Scan::local_reloc_may_be_function_pointer): Change to call
3639         possible_function_pointer_reloc.
3640         (Scan::global_reloc_may_be_function_pointer): Ditto.
3641         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3642         relocations in ".data.rel.ro._ZTV" section.
3643         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3644         * testsuite/icf_safe_so_test.cc: Ditto.
3645         * testsuite/icf_safe_test.cc: Ditto.
3646         * testsuite/icf_safe_test.sh: Ditto.
3647
3648 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3649             Ian Lance Taylor  <iant@google.com>
3650
3651         * target-reloc.h (relocate_section): Check the symbol table index
3652         for -1U before setting the local symbol index.
3653         (scan_relocatable_relocs): If copying the relocation, record that
3654         the local symbol is required.
3655         * object.h (Symbol_value::is_output_symtab_index_set): New
3656         function.
3657         (Symbol_value::may_be_discarded_from_output_symtab): New
3658         function.
3659         (Symbol_value::has_output_symtab_entry): New function.
3660         (Symbol_value::needs_output_symtab_entry): Remove.
3661         (Symbol_value::output_symtab_index): Make sure the symbol index is
3662         set.
3663         (Symbol_value::set_output_symtab_index): Make sure the symbol
3664         index is not set.  Make sure the new index is valid.
3665         (Symbol_value::set_must_have_output_symtab_entry): New function.
3666         (Symbol_value::has_output_dynsym_entry): New function.
3667         (Symbol_value::set_output_dynsym_index): Make sure the new index
3668         is valid.
3669         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3670         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3671         local symbol if permitted.
3672         (Sized_relobj::do_finalize_local_symbols): Call
3673         is_output_symtab_index_set rather than needs_output_symtab_entry.
3674         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3675         rather than needs_output_symtab_entry.  Call
3676         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3677         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3678         is_output_symtab_index_set rather than needs_output_symtab_entry.
3679         * testsuite/discard_locals_relocatable_test.c: New file.
3680         * testsuite/discard_locals_test.sh: Test -r.
3681         * testsuite/Makefile.am (check_DATA): Add
3682         discard_locals_relocatable_test1.syms,
3683         discard_local_relocatable_test2.syms.
3684         (MOSTLYCLEANFILES): Likewise.  Also add
3685         discard_locals_relocatable_test1.lout and
3686         discard_locals_relocatable_test2.out.
3687         (discard_locals_relocatable_test1.syms): New target.
3688         (discard_locals_relocatable_test.o): New target.
3689         (discard_locals_relocatable_test1.out): New target.
3690         (discard_locals_relocatable_test2.syms): New target.
3691         (discard_locals_relocatable_test2.out): New target.
3692         (various): Add missing ../ld-new dependencies.
3693         * testsuite/Makefile.in: Rebuild.
3694
3695 2010-03-03  Nick Clifton  <nickc@redhat.com>
3696
3697         * po/fi.po: New Finnish translation.
3698
3699 2010-03-01  Doug Kwan  <dougkwan@google.com>
3700
3701         * layout.cc (Layout::Layout): Force section types of .init_array*,
3702         .preinit_array* and .fini_array* sections.
3703         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3704         Fix check of return value of std::string::find.().
3705         (Output_section::Input_section_sort_compare::operator()): Remove
3706         comment about .init_array.
3707         (Output_section::Input_section_sort_init_fini_compare::operator()):
3708         New method.
3709         (Output_section::sort_attached_input_sections): Handle .init_array
3710         and .fini_array specially.
3711         * output.h (Output_section::Inut_section_sort_compare): Update
3712         comment.
3713         (Output_section::Input_section_sort_init_fini_compare): New struct.
3714
3715 2010-02-26  Doug Kwan  <dougkwan@google.com>
3716
3717         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
3718         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
3719         * testsuite/debug_msg.sh: Avoid matching source line number for
3720         use of global variable undef_int.
3721
3722 2010-02-26  Doug Kwan  <dougkwan@google.com>
3723
3724         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
3725         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
3726         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
3727         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
3728         * options.cc (General_options::General_options): Initialize member
3729         fix_v4bx_.
3730         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
3731         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
3732         and rm_no_fix_v4bx.stdout
3733         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
3734         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
3735         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
3736         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
3737         and arm_no_fix_v4bx.
3738         * Makefile.in: Regenerate.
3739         * testsuite/arm_fix_v4bx.s: New file.
3740         * testsuite/arm_fix_v4bx.sh: Ditto.
3741
3742 2010-02-24  Doug Kwan  <dougkwan@google.com>
3743
3744         * arm.cc (Target_arm::got_section): Make the .got section the first
3745         non RELRO section in the data segment.
3746         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
3747         suffixes of section names.
3748
3749 2010-02-24  Doug Kwan  <dougkwan@google.com>
3750
3751         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
3752         flags and attributes merging if an input file is a binary file.
3753         * fileread.cc (Input_file::open): Record format of original file.
3754         * fileread.h (Input_file::Format): New enum type.
3755         (Input_file::Input_file): Initialize data member format_.
3756         (Input_file::format): New method definition.
3757         (Input_file::format_):: New data member.
3758
3759 2010-02-24  Doug Kwan  <dougkwan@google.com>
3760
3761         * arm.cc (Arm_output_data_got): New class.
3762         (ARM_TCB_SIZE): New constant
3763         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
3764         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
3765         If user uses a script with a SECTIONS clause, issue only a warning
3766         for a misplaced EXIDX input section.  Otherwise, issue an error.
3767         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
3768         garbage collection.
3769         (Target_arm::got_mode_index_entry): Handle static linking.
3770         (Target_arm::Scan::local): Ditto.
3771         (Target_arm::Scan::global): Ditto.
3772         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
3773         all incorrectly implemented relocations.
3774         (Target_arm::fix_exidx_coverage): Pass layout to
3775         Arm_output_section::fix_exidx_coverage.
3776         * layout.cc (Layout::section_name_mapping): Remove trailing dots
3777         from ".ARM.exidx." and ".ARM.extab.".
3778
3779 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3780
3781         * arm.cc (Target_arm::do_finalize_sections): Create attribute
3782         section if it does not already exist.
3783         * attributes.cc (Attributes_section_data::Attributes_section_data):
3784         Don't crash if size is zero.
3785
3786 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3787             Ian Lance Taylor  <iant@google.com>
3788
3789         * gold.cc (queue_middle_tasks): If no input files were opened,
3790         exit.
3791         * workqueue.h (Task_function::Task_function): Assert that there is
3792         a blocker.
3793
3794 2010-02-22  Doug Kwan  <dougkwan@google.com>
3795
3796         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
3797         * icf.cc (get_section_contents): Cast snprintf arguments to long long
3798         types to avoid warnings due to different uint64_t implementations
3799         on different hosts.
3800
3801 2010-02-21  Doug Kwan  <dougkwan@google.com>
3802
3803         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
3804         handling of the maximum backward branch offset.
3805         (Arm_relocate_functions::thumb_branch_common): Ditto.
3806         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
3807         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
3808         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
3809         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
3810         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
3811         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
3812         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
3813         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
3814         thumb_bl_out_of_range thumb_bl_out_of_range.o,
3815         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
3816         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
3817         thumb2_bl_out_of_range.o): New rules.
3818         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
3819         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
3820         thumb2_bl_out_of_range
3821         * testsuite/Makefile.in: Regenerate.
3822         * testsuite/arm_bl_in_range.s: New file.
3823         * testsuite/arm_bl_out_of_range.s: Ditto.
3824         * testsuite/arm_branch_in_range.sh: Ditto.
3825         * testsuite/arm_branch_range.t: Ditto.
3826         * testsuite/thumb2_branch_range.t: Ditto.
3827         * testsuite/thumb_bl_in_range.s: Ditto.
3828         * testsuite/thumb_bl_out_of_range.s: Ditto.
3829         * testsuite/thumb_branch_range.t: Ditto.
3830
3831 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
3832
3833         * gc.h (gc_process_relocs): Change vectors to point to the new list.
3834         Add reloc offset information.
3835         * icf.cc (get_section_contents): Change iterators to point to the new
3836         vectors. Add reloc offset information to the contents.
3837         * icf.h (Icf::Sections_reachable_info): New typedef.
3838         (Icf::Sections_reachable_list): New typedef.
3839         (Icf::Offset_info): New typedef.
3840         (Icf::Reloc_info): New struct typedef.
3841         (Icf::Reloc_info_list): New typedef.
3842         (Icf::symbol_reloc_list): Delete method.
3843         (Icf::addend_reloc_list): Delete method.
3844         (Icf::section_reloc_list): Delete method.
3845         (Icf::reloc_info_list): New method.
3846         (Icf::reloc_info_list_): New member.
3847
3848 2010-02-19  Doug Kwan  <dougkwan@google.com>
3849
3850         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
3851         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
3852         * arm.cc (Arm_relocation_functions): New forward declaration.
3853         (Target_arm::Target_arm): Initialize new data members
3854         got_mod_index_offset_ and tls_base_symbol_defined_.
3855         (Target_arm::Relocate::relocate_tls): New method.
3856         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
3857          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
3858         New methods.
3859         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
3860         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
3861         (Target_arm::got_mod_index_offset_,
3862         Target_arm::tls_base_symbol_defined_): New data members.
3863         (Target_arm::Scan::local, Target::Scan::global,
3864         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
3865         relocations.
3866
3867 2010-02-18  Doug Kwan  <dougkwan@google.com>
3868
3869         * arm.cc (Arm_relobj::find_linked_text_section): New method.
3870         (Arm_relobj::make_exidx_input_section): Pass section index of linked
3871         text section as a parameter becuase some broken tools may not set
3872         the link in section header.
3873         (Target_arm::has_got_section): New method.
3874         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
3875         without any mapping symbol as data only.  Remove warning.
3876         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
3877         link in its section header, try to discover the link by inspecting the
3878         REL31 relocation at the beginning of the section.
3879         (Target_arm::Scan::check_non_pic): Report name of offending relocation
3880         in error message.
3881         (Target_arm::Scan::global): Treat any reference to the symbol
3882         _GLOBAL_OFFSET_TABLE_ as a GOT access.
3883
3884 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
3885
3886         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
3887         (Scan::global_reloc_may_be_function_pointer): New function.
3888         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3889         (Scan::global_reloc_may_be_function_pointer): New function.
3890         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3891         (Scan::global_reloc_may_be_function_pointer): New function.
3892         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
3893         (Scan::global_reloc_may_be_function_pointer): New function.
3894         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
3895         (Scan::global_reloc_may_be_function_pointer): New function.
3896         (Scan::possible_function_pointer_reloc): New function.
3897         (Target_x86_64::can_check_for_function_pointers): New function.
3898         * gc.h (gc_process_relocs): Scan relocation types to determine if
3899         function pointers were taken for targets that support it.
3900         * icf.cc (Icf::find_identical_sections): Include functions for
3901         folding in safe ICF whose pointer is not taken.
3902         * icf.h (Secn_fptr_taken_set): New typedef.
3903         (fptr_section_id_): New member.
3904         (section_has_function_pointers): New function.
3905         (set_section_has_function_pointers): New function.
3906         (check_section_for_function_pointers): New function.
3907         * options.h: Fix comment for safe ICF option.
3908         * target.h (can_check_for_function_pointers): New function.
3909         * testsuite/Makefile.am: Add icf_safe_so_test test case.
3910         Modify icf_safe_test for X86-64.
3911         * testsuite/Makefile.in: Regenerate.
3912         * testsuite/icf_safe_so_test.cc: New file.
3913         * testsuite/icf_safe_so_test.sh: New file.
3914         * testsuite/icf_safe_test.cc (kept_func_3): New function.
3915         (main): Change to take pointer to function kept_func_3.
3916         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
3917         folding is done correctly for X86-64.
3918
3919 2010-02-12  David S. Miller  <davem@davemloft.net>
3920
3921         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
3922         is_symbolless parameter.
3923         (Output_reloc<SHT_REL>::is_symbolless): New.
3924         (Output_reloc<SHT_REL>::is_symbolless_): New.
3925         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
3926         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
3927         (Output_reloc<SHT_RELA>::is_symbolless): New.
3928         (Output_data_reloc::add_global): Handle is_symbolless.
3929         (Output_data_reloc::add_global_relative): Likewise.
3930         (Output_data_reloc::add_local): Likewise.
3931         (Output_data_reloc::add_local_relative): Likewise.
3932         (Output_data_reloc::add_symbolless_global_addend): New.
3933         (Output_data_reloc::add_symbolless_local_addend): New.
3934         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
3935         is_symbolless.
3936         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
3937         instead of ->is_relative_
3938         (Output_reloc::write): Likewise.
3939         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
3940         (Output_reloc::write_rel): Simplify.
3941
3942         * sparc.cc (Target_sparc::Scan::local): Use
3943         ->add_symbolless_local_addend as needed.
3944         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
3945         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
3946         based upon relocation offset.
3947
3948 2010-02-11  Doug Kwan  <dougkwan@google.com>
3949
3950         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
3951         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
3952         beginning of function.
3953         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
3954         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
3955         parameter is_32bit in calls to should_apply_static_reloc.
3956         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
3957         (check_DATA): Add arm_abs_global.stdout.
3958         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
3959         arm_abs_global.stdout): New rules.
3960         (MOSTLLYCLEANFILES): Add arm_abs_global
3961         * Makefile.in: Regenerate.
3962         * testsuite/arm_abs_global.s: New file.
3963         * testsuite/arm_abs_global.sh: Ditto.
3964         * testsuite/arm_abs_lib.s: Ditto.
3965
3966 2010-02-11  Ian Lance Taylor  <iant@google.com>
3967
3968         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
3969         Read_relocs task.
3970         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
3971         Allocate_commons_task first.
3972         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
3973         task, rather than symtab_lock_.
3974         (Gc_process_relocs::~Gc_process_relocs): New function.
3975         (Gc_process_relocs::is_runnable): Check this_blocker_.
3976         (Gc_process_relocs::locks): Use next_blocker_ rather than
3977         blocker_.
3978         (Scan_relocs::~Scan_relocs): New function.
3979         (Scan_relocs::is_runnable): Check this_blocker_ rather than
3980         symtab_lock_.
3981         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
3982         next_blocker_.
3983         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
3984         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
3985         constructor accordingly.
3986         (class Gc_process_relocs): Likewise.
3987         (class Scan_relocs): Likewise.
3988         * common.h (class Allocate_commons_task): Remove symtab_lock_
3989         field, and corresponding constructor parameter.
3990         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
3991         symtab_lock_.
3992         (Allocate_commons_task::locks): Likewise.
3993
3994 2010-02-11  Ian Lance Taylor  <iant@google.com>
3995
3996         * gold-threads.h (class Once): Define.
3997         (class Initialize_lock): Rewrite as child of Once.
3998         * gold-threads.cc (class Once_initialize): Define.
3999         (once_pointer_control): New static variable.
4000         (once_pointer, once_arg): New static variables.
4001         (c_run_once): New static function.
4002         (Once::Once, Once::run_once, Once::internal_run): New functions.
4003         (class Initialize_lock_once): Remove.
4004         (initialize_lock_control): Remove.
4005         (initialize_lock_pointer): Remove.
4006         (initialize_lock_once): Remove.
4007         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4008         (Initialize_lock::initialize): Rewrite.
4009         (Initialize_lock::do_run_once): New function.
4010         * archive.cc (Archive::interpret_header): Only clear name if it is
4011         not already empty.
4012         * fileread.cc: Include "gold-threads.h"
4013         (file_counts_lock): New static variable.
4014         (file_counts_initialize_lock): Likewise.
4015         (File_read::release): Only increment counts when using --stats.
4016         Use a lock around the increment.
4017         * parameters.cc (class Set_parameters_target_once): Define.
4018         (set_parameters_target_once): New static variable.
4019         (Parameters::Parameters): Move here from parameters.h.
4020         (Parameters::set_target): Rewrite.
4021         (Parameters::set_target_once): New function.
4022         (Parameters::clear_target): Move here and rewrite.
4023         * parameters.h (class Parameters): Update declarations.  Add
4024         set_parameters_target_once_ field.
4025         (Parameters::Parameters): Move to parameters.cc.
4026         (Parameters::clear_target): Likewise.
4027         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4028         task.
4029         (Start_group::~Start_group): New function.
4030         (Start_group::is_runnable): New function.
4031         (Start_group::locks, Start_group::run): New functions.
4032         (Finish_group::run): Change saw_undefined to size_t.
4033         * readsyms.h (class Start_group): Define.
4034         (class Finish_group): Change saw_undefined_ field to size_t.
4035         (Finish_group::Finish_group): Remove saw_undefined and
4036         this_blocker parameters.  Change all callers.
4037         (Finish_group::set_saw_undefined): New function.
4038         (Finish_group::set_blocker): New function.
4039         * symtab.h (class Symbol_table): Change saw_undefined to return
4040         size_t.  Change saw_undefined_ field to size_t.
4041         * target-select.cc (Set_target_once::do_run_once): New function.
4042         (Target_selector::Target_selector): Initialize set_target_once_
4043         field.  Don't initialize lock_ and initialize_lock_ fields.
4044         (Target_selector::instantiate_target): Rewrite.
4045         (Target_selector::set_target): New function.
4046         * target-select.h (class Set_target_once): Define.
4047         (class Target_selector): Update declarations.  Make
4048         Set_target_once a friend.  Remove lock_ and initialize_lock_
4049         fields.  Add set_target_once_ field.
4050
4051 2010-02-10  Ian Lance Taylor  <iant@google.com>
4052
4053         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4054         queueing any tasks.
4055         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4056         (queue_middle_tasks): Add all blockers before queueing any tasks.
4057         (queue_final_tasks): Likewise.
4058         * token.h (Task_token::add_blockers): New function.
4059         * object.h (Input_objects::number_of_relobjs): New function.
4060
4061 2010-02-10  Ian Lance Taylor  <iant@google.com>
4062
4063         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4064         shared, not if not position independent.
4065         * x86_64.cc (Relocate::relocate_tls): Likewise.
4066         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4067         (tls_pie_pic_test): New target.
4068         * testsuite/Makefile.in: Rebuild.
4069
4070         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4071         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4072         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4073         * testsuite/Makefile.in: Rebuild.
4074
4075 2010-02-09  David S. Miller  <davem@davemloft.net>
4076
4077         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4078         R_SPARC_RELATIVE using ->add_local_relative().
4079         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4080
4081         * output.h (Output_data_dynamic::add_section_size): New method
4082         that takes two Output_data objects.
4083         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4084         entry param.  Handle it in initializers.
4085         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4086         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4087         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4088         arg.
4089         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4090         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4091         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4092         for dynrel_includes_plt.
4093         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4094         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4095         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4096         before .rela.plt
4097         (Target_sparc::do_finalize_sections): Update to pass true for
4098         dynrel_includes_plt.
4099         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4100         output before .rela.plt
4101         (Target_powerpc::do_finalize_sections): Update to pass true for
4102         dynrel_includes_plt when 32-bit.
4103
4104 2010-02-08  Doug Kwan  <dougkwan@google.com>
4105
4106         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4107         method.
4108         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4109         Arm_relobj::scan_section_for_cortex_a8_stubs,
4110         Arm_relobj::do_relocation_section): Instead of calling
4111         Output_section::output_address, use faster
4112         Arm_relobj::simple_input_section_output_address.
4113
4114 2010-02-08  David S. Miller  <davem@davemloft.net>
4115
4116         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4117         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4118         relocation helper function.
4119
4120         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4121         just like R_SPARC_GOT{10,13,22}.
4122         (Target_sparc::Scan::local): Likewise.
4123         (Target_sparc::Relocate:relocate): Likewise.
4124
4125 2010-02-06  Ian Lance Taylor  <iant@google.com>
4126
4127         * configure.ac: Rewrite targetobjs duplicate removal code to use
4128         only shell constructs.
4129         * configure: Rebuild.
4130
4131 2010-02-05  Doug Kwan  <dougkwan@google.com>
4132
4133         PR 11247
4134         * arm.cc (Arm_relobj::section_is_scannable): New method.
4135         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4136         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4137
4138 2010-02-04  Doug Kwan  <dougkwan@google.com>
4139
4140         PR 11247
4141         * arm-reloc-property.cc (cstdio): Include.
4142         * configure.ac (targetobjs): Remove duplicates.
4143         * configure: Regenerate.
4144         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4145         big and little endian version for a given address size.
4146
4147 2010-02-03  Doug Kwan  <dougkwan@google.com>
4148
4149         * arm-reloc-property.cc
4150         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4151         definition.
4152         * arm-reloc-property.h
4153         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4154         New method definition.
4155         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4156         declaration.
4157         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4158         overflow to N.
4159         (GOT_PREL): Change implemented to Y.
4160         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4161         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4162         (Arm_relocate_functions::movw_abs_nc): Remove method.
4163         (Arm_relocate_functions::movt_abs): Ditto.
4164         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4165         (Arm_relocate_functions::thm_movt_abs): Ditto.
4166         (Arm_relocate_functions::movw_rel_nc): Ditto.
4167         (Arm_relocate_functions::movw_rel): Ditto.
4168         (Arm_relocate_functions::movt_rel): Ditto.
4169         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4170         (Arm_relocate_functions:thm_movw_rel): Ditto.
4171         (Arm_relocate_functions:thm_movt_rel): Ditto.
4172         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4173         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4174         New method definitions.
4175         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4176         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4177         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4178         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4179         (Target_arm::Relocate::relocate): Check for non-static or
4180         unimplemented relocation code and exit early.  Change calls to
4181         Target_arm::reloc_uses_thumb_bit and
4182         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4183         instead.  Refactor code to handle similar relocations to increase
4184         code sharing.  Remove check for unsupported relocation code in switch
4185         statement.
4186         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4187         relocation property table to find out size.  Change error message to
4188         print out the name of a relocation code instead of the numeric value.
4189         (Target_arm::scan_reloc_for_stub): Use relocation property table
4190         instead of calling Target_arm::reloc_uses_thumb_bit().
4191
4192 2010-02-02  Doug Kwan  <dougkwan@google.com>
4193
4194         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4195         types of relaxed input section.
4196
4197 2010-02-02  Doug Kwan  <dougkwan@google.com>
4198
4199         * Makefile.am (HFILES): Add arm-reloc-property.h.
4200         (DEFFILES): New.
4201         (TARGETSOURCES): Add arm-reloc-property.cc
4202         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4203         (libgold_a_SOURCES): $(DEFFILES)
4204         * Makefile.in: Regenerate.
4205         * arm-reloc-property.cc: New file.
4206         * arm-reloc-property.h: New file.
4207         * arm-reloc.def: New file.
4208         * arm.cc: Update comments.
4209         (arm-reloc-property.h): New included header.
4210         (arm_reloc_property_table): New global variable.
4211         (Target_arm::do_select_as_default_target): New method definition.
4212         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4213         arm-reloc-property to targ_extra_obj.
4214         * parameters.cc (set_parameters_target): Call
4215         Target::select_as_default_target().
4216         * target.h (Target::select_as_default_target): New method definition.
4217         (Target::do_select_as_default_target): Same.
4218
4219 2010-02-01  Doug Kwan  <dougkwan@google.com>
4220
4221         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4222         first_output_text_section_.
4223         (Arm_exidx_fixup::first_output_text_section): New method definition.
4224         (Arm_exidx_fixup::first_output_text_section_): New data member.
4225         (Arm_exidx_fixup::process_exidx_section): Record the first text
4226         output section seen.
4227         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4228         and entsize in output section header.
4229
4230 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4231
4232         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4233         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4234         (Arm_relocate_functions::thm_alu11): New Method.
4235         (Arm_relocate_functions::thm_pc8): New Method.
4236         (Arm_relocate_functions::thm_pc12): New Method.
4237         (Target_arm::Scan::local): Handle the relocations.
4238         (Target_arm::Scan::global): Likewise.
4239         (Target_arm::Relocate::relocate): Likewise.
4240         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4241
4242 2010-01-29  Doug Kwan  <dougkwan@google.com>
4243
4244         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4245         of relocation types as ld.
4246
4247 2010-01-29  Doug Kwan  <dougkwan@google.com>
4248
4249         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
4250         to public.
4251         (Arm_relocate_functions::thumb_branch_common): Ditto.
4252         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
4253         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
4254         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
4255         Arm_relocate_functions::jump24): Remove.
4256         (Target_arm::Relocate::relocate): Adjust code to call
4257         Arm_relocation_functions::arm_branch_common and
4258         Arm_relocation_functions::thumb_branch_common instead of their removed
4259         wrappers.  Merge switch-cases together to reduce source code size.
4260
4261 2010-01-29  Doug Kwan  <dougkwan@google.com>
4262
4263         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
4264         output_local_symbol_count_needs_update_.
4265         (Arm_relobj::output_local_symbol_count_needs_update,
4266          Arm_relobj::set_output_local_symbol_count_needs_update,
4267          Arm_relobj::update_output_local_symbol_count): New methods.
4268         (Arm_relobj::output_local_symbol_count_needs_update_): New data
4269         member.
4270         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
4271         of pointed function as in a R_ARM_PREL31 relocation.
4272         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
4273         for output local symbol count updating.
4274         (Target_arm::do_relax): Update output local symbol counts in objects
4275         if necessary.
4276         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
4277
4278 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4279
4280         * arm.cc: Added support for the ARM relocations:
4281         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
4282         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
4283         (Arm_relocate_functions::movw_rel_nc): Renamed (was
4284         movw_prel_nc).
4285         (Arm_relocate_functions::movw_rel): New method.
4286         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
4287         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
4288         thm_movw_prel_nc).
4289         (Arm_relocate_functions::thm_movw_rel): New method.
4290         (Arm_relocate_functions::thm_movt_rel): Renamed (was
4291         thm_movt_prel).
4292         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
4293         relocations.
4294         (Target_arm::Scan::global): Likewise.
4295         (Target_arm::Relocate::relocate): Likewise.
4296         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4297         Likewise.
4298
4299 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4300
4301         * arm.cc: Added support for ARM group relocations.
4302         (Target_arm::reloc_needs_sym_origin): New method.
4303         (Arm_relocate_functions::calc_grp_kn): New method.
4304         (Arm_relocate_functions::calc_grp_residual): New method.
4305         (Arm_relocate_functions::calc_grp_gn): New method.
4306         (Arm_relocate_functions::arm_grp_alu): New Method.
4307         (Arm_relocate_functions::arm_grp_ldr): New Method.
4308         (Arm_relocate_functions::arm_grp_ldrs): New Method.
4309         (Arm_relocate_functions::arm_grp_ldc): New Method.
4310         (Target_arm::Scan::local): Handle the ARM group relocations.
4311         (Target_arm::Scan::global): Likewise.
4312         (Target_arm::Relocate::relocate): Likewise.
4313         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4314         Likewise.
4315
4316 2010-01-26  Doug Kwan  <dougkwan@google.com>
4317
4318         * arm.cc (set): Include.
4319         (class Arm_exidx_fixup): Change type of last_input_section_ to const
4320         pointer type.
4321         (Arm_output_section::Text_section_list): New type.
4322         (Arm_output_section::append_text_sections_to_list): New method.
4323         (Arm_output_section::fix_exidx_coverage): Ditto.
4324         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
4325         (Arm_relobj::convert_input_section_to_relaxed_section): Use
4326         Relobj::set_section_offset() instead of
4327         Sized_relobj::invalidate_section_offset().
4328         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
4329         parameter for section headers. Ignore relocation sections for
4330         unallocated sections and EXIDX sections.
4331         (Target_arm::fix_exidx_coverage): New method.
4332         (Target_arm::output_section_address_less_than): New type.
4333         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
4334         linked text section instead of the EXIDX section.
4335         (Arm_output_section::create_stub_group): Add an assertion to check
4336         that this is not an EXIDX output section.
4337         (Arm_output_section::append_text_sections_to_list): New method.
4338         (Arm_output_section::fix_exidx_coverage): Ditto.
4339         (Arm_relobj::scan_sections_for_stubs): Adjust call to
4340         Arm_relobj::section_needs_reloc_stub_scanning.
4341         (Target_arm::do_relax): Fix EXIDX output section coverage in the
4342         first pass.
4343         (Target_arm::fix_exidx_coverage): New method.
4344         * object.h (Relobj::set_output_section): New method.
4345         (Sized_relobj::invalidate_section_offset): Remove method.
4346         (Sized_relobj::do_invalidate_section_offset): Remove method.
4347         (Sized_relobj::do_set_section_offset): Handle offset value -1.
4348
4349 2010-01-25  Doug Kwan  <dougkwan@google.com>
4350
4351         * arm.cc (Arm_exidx_merged_section::do_output_offset):
4352         Fix warning due to signed and unsigned comparison on a 32-bit host.
4353
4354 2010-01-22  Doug Kwan  <dougkwan@google.com>
4355
4356         * arm.cc (Target_arm::do_relax): Record an output section for section
4357         offset adjustment it contains any stub table that has changed.
4358         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
4359         offsets in an output section if necessary.
4360         * output.cc (Output_section::Output_section): Initialize
4361         section_offsets_need_adjustments_.
4362         (Output_section::add_input_section_for_script): Renamed to
4363         Output_section::add_simple_input_section.
4364         (Output_section::save_states): Add a comment.
4365         (Output_section::discard_states): New method defintion.
4366         (Output_section::adjust_section_offsets): Same.
4367         * output.h (Output_section::add_input_section_for_script): Renamed to
4368         Output_section::add_simple_input_section.
4369         (Output_section::discard_states): New method declaration.
4370         (Output_section::adjust_section_offsets): Same.
4371         (Output_section::section_offsets_need_adjustment,
4372         Output_section::set_section_offsets_need_adjustment): New method
4373         definitions.
4374         (Output_section::section_offsets_need_adjustment_): New data member.
4375         * script-sections.cc
4376         (Output_section_element_input::set_section_address): Adjust code for
4377         renaming of Output_section::add_input_section_for_script.
4378         (Orphan_output_section::set_section_address): Same.
4379
4380 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4381
4382         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
4383         Fix_v4bx enum values .
4384         * gold/options.h (General_options): New option definitions.
4385         (General_options::fix_v4bx): New method.
4386         (General_options::Fix_v4bx): New enum.
4387         * gold/options.cc (General_options::parse_fix_v4bx): New method.
4388         (General_options::parse_fix_v4bx_interworking): New method.
4389
4390 2010-01-22  Doug Kwan  <dougkwan@google.com>
4391
4392         * arm.cc (Arm_exidx_fixup): New class.
4393
4394 2010-01-21  Doug Kwan  <dougkwan@google.com>
4395
4396         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
4397         classes.
4398         (Arm_exidx_section_offset_map): New type.
4399
4400 2010-01-21  Doug Kwan  <dougkwan@google.com>
4401
4402         * arm.cc (Arm_exidx_input_section): New class.
4403         (Arm_relobj::exidx_input_section_by_link,
4404         Arm_relobj::exidx_input_section_by_shndx,
4405         Arm_relobj::make_exidx_input_section): New methods.
4406         (read_arm_attributes_section): Remove.
4407         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4408         information about them.
4409         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4410         to here.
4411
4412 2010-01-20  Doug Kwan  <dougkwan@google.com>
4413
4414         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4415         Input_section_specifier to Section_id.
4416         (Target_arm::new_arm_input_section: Adjust code for change of key
4417         type.
4418         (Target_arm::find_arm_input_section): Ditto.
4419         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4420         (Section_id): Remove.
4421         (Garbage_collection::Section_id_hash): Remove.
4422         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4423         (Section_id): Remove.
4424         (Icf::Section_id_hash): Remove.
4425         * object.h (Section_id, Const_section_id, Section_id_hash,
4426         Const_section_id_hash): New type definitions.
4427         * output.cc (Output_section::add_relaxed_input_section): Change to
4428         use Const_section_id instead of Input_section_specifier as key type.
4429         (Output_section::add_merge_input_section): Ditto.
4430         (Output_section::build_relaxation_map): Change to use Section_id
4431         instead of Input_section_specifier as key type.
4432         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4433         Ditto.
4434         (Output_section::convert_input_sections_to_relaxed_sections): Change
4435         to use Const_section_id instead of Input_section_specifier as key type.
4436         (Output_section::find_merge_section): Ditto.
4437         (Output_section::find_relaxed_input_section): Ditto.
4438         * output.h (Input_section_specifier): Remove class.
4439         (Output_section::Output_section_data_by_input_section_map): Change
4440         key type to Const_section_id.
4441         (Output_section::Output_relaxed_input_section_by_input_section_map):
4442         Ditto.
4443         (Output_section::Relaxation_map): Change key type to Section_id.
4444
4445 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4446
4447         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4448         (class Arm_v4bx_stub): New class.
4449         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4450         (Stub_factory::make_arm_v4bx_stub): New method.
4451         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4452         (Stub_table::empty): Handle v4bx stubs.
4453         (Stub_table::add_arm_v4bx_stub): New method.
4454         (Stub_table::find_arm_v4bx_stub): New method.
4455         (Arm_relocate_functions::v4bx): New method.
4456         (Target_arm::fix_v4bx): New method.
4457         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4458         (Stub_table::relocate_stubs): Likewise.
4459         (Stub_table::do_write): Likewise.
4460         (Stub_table::update_data_size_and_addralign): Likewise.
4461         (Stub_table::finalize_stubs):  Likewise.
4462         (Target_arm::Scan::local): Likewise.
4463         (Target_arm::Scan::global): Likewise.
4464         (Target_arm::do_finalize_sections): Likewise.
4465         (Target_arm::Relocate::relocate): Likewise.
4466         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4467         Likewise.
4468         (Target_arm::scan_reloc_for_stub): Likewise.
4469         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4470
4471 2010-01-19  Ian Lance Taylor  <iant@google.com>
4472
4473         * output.cc (Output_section_headers::do_sized_write): Write large
4474         segment count to sh_info field.
4475         (Output_file_header::do_sized_write): For large segment count,
4476         write PN_XNUM to e_phnum field.
4477
4478 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4479
4480         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4481         (Arm_relocate_functions::thm_jump8): New function.
4482         (Arm_relocate_functions::thm_jump11): New function.
4483         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4484         R_ARM_THM_JUMP11.
4485         (Target_arm::Scan::global): Likewise.
4486         (Target_arm::Relocate::relocate): Likewise.
4487         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4488         Likewise.
4489
4490 2010-01-14  Doug Kwan  <dougkwan@google.com>
4491
4492         * arm.cc (map, utility): Include headers.
4493         (Target_arm::apply_cortex_a8_workaround): New method.
4494         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4495         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4496         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4497         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4498         the --[no-]fix-cortex-a8 command line options.
4499         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4500         (Target_arm::relocate_stub): Use addend in instruction template.
4501         * options.h (DEFINE_bool): Set the user-set flag.
4502         (General_options): Add --[no-]-fix-cortex options.
4503         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4504         : Update fast look-up map after conversion.
4505
4506 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4507
4508         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4509         in the first pass of do_layout.
4510
4511 2010-01-13  Doug Kwan  <dougkwan@google.com>
4512
4513         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4514         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4515         apparent compiler problem of not folding static constant integral
4516         data members of elfcpp::Elf_sizes<32>.
4517
4518 2010-01-13  Doug Kwan  <dougkwan@google.com>
4519
4520         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4521         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4522         Arm_relobj::scan_section_for_cortex_a8_erratum,
4523         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4524         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4525         sections to scan for relocation stubs into a new method
4526         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4527         relocation and Cortex-A8 stub scanning.
4528         (Target_arm::do_relax): Force stubs to be after stubbed sections
4529         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4530         the beginning of a new relaxation pass.  Update a comment.
4531         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4532
4533 2010-01-12  Ian Lance Taylor  <iant@google.com>
4534
4535         * target-reloc.h (visibility_error): New inline function.
4536         (relocate_section): Call visibility_error.
4537         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4538         (MOSTLYCLEANFILES): Likewise.
4539         (protected_4_pic.o, protected_3.err): New targets.
4540         * testsuite/protected_4.cc: New file.
4541
4542 2010-01-12  Doug Kwan  <dougkwan@google.com>
4543
4544         * arm.cc (Cortex_a8_reloc): New class.
4545         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4546         and cortex_a8_relocs_info_.
4547         (Target_arm::fix_cortex_a8): New method definition.
4548         (Target_arm::Cortex_a8_relocs_info): New type.
4549         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4550         New data member declarations.
4551         (Target_arm::scan_reloc_for_stub): Record information about
4552         relocations for THUMB branches that might be exempted from the
4553         Cortex-A8 workaround.
4554         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4555         at the beginning of a relaxation pass.
4556
4557 2010-01-12  Doug Kwan  <dougkwan@google.com>
4558
4559         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4560         (Arm_relobj::Mapping_symbol_position,
4561          Arm_reloj::Mapping_symbol_position_less,
4562          Arm_relobj::Mapping_symbols_info): New types.
4563         (Target_arm::is_mapping_symbol_name): New method definition.
4564         (Arm_relobj::do_count_local_symbols): Save information about mapping
4565         symbols.
4566
4567 2010-01-11  Doug Kwan  <dougkwan@google.com>
4568
4569         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4570         Arm_relocate_functions::thumb32_branch_upper,
4571         Arm_relocate_functions::thumb32_branch_lower,
4572         Arm_relocate_functions::thumb32_cond_branch_offset,
4573         Arm_relocate_functions::thumb32_cond_branch_upper,
4574         Arm_relocate_functions::thumb32_cond_branch_lower,
4575         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4576         branch offset encoding.
4577         (Arm_relocate_functions::thumb_branch_common): Use new branch
4578         offset encoding methods to avoid code duplication.
4579         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4580         (Stub_addend_reader::operator()): Use new branch encoding method
4581         to avoid code duplication.
4582
4583 2010-01-11  Doug Kwan  <dougkwan@google.com>
4584
4585         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4586         (Target_arm::do_finalize_sections): Define special EXIDX section
4587         symbols only if referenced.
4588         * gc.h (Garbage_collection::add_reference): New method.
4589         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4590         code duplication.
4591
4592 2010-01-11  Ian Lance Taylor  <iant@google.com>
4593
4594         * script.cc (Version_script_info::build_expression_list_lookup):
4595         Change complaing about duplicate wildcard match from error to
4596         warning.
4597
4598         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4599         of 2009-12-30.
4600         (Version_script_info::Version_script_info): Initialize globs_,
4601         default_version_, default_is_global_, and exact_.  Don't
4602         initialize globals_ or locals_.
4603         (Version_script_info::build_lookup_tables): Build local symbols
4604         first.
4605         (Version_script_info::unquote): New function.
4606         (Version_script_info::add_exact_match): New function.
4607         (Version_script_info::build_expression_list_lookup): Remove lookup
4608         parameter.  Add is_global parameter.  Change all callers.  Handle
4609         wildcard pattern specially.  Unquote pattern.  Call
4610         add_exact_match.
4611         (Version_script_info::get_name_to_match): New function.
4612         (Version_script_info::get_symbol_version): New function.
4613         (Version_script_info::get_symbol_version_helper): Remove.
4614         (Version_script_info::check_unmatched_names): Call unquote.
4615         * script.h (class Version_script_info): Change get_symbol_version
4616         to be non-inline and add is_global parameter; change all callers.
4617         Rewrite symbol_is_local.  Update declarations.  Define struct
4618         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4619         Remove globals_ and locals_ members.  Add exact_, globs_,
4620         default_version_, is_global_.
4621         (Version_script_info::Glob): Remove pattern, add expression and
4622         is_global.  Update constructor.  Change all callers.
4623         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4624         default version.
4625         (Versions::symbol_section_contents): If a symbol is undefined, or
4626         defined in a dynamic object, set the version index to
4627         VER_NDX_LOCAL.
4628         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4629         symbol_is_local.
4630         (Symbol_table::add_from_pluginobj): Likewise.
4631         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4632
4633 2010-01-11  Doug Kwan  <dougkwan@google.com>
4634
4635         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4636         (incremental_dump_LDADD): Add linking option for libintl.
4637         * Makefile.in: Regenerate.
4638
4639 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4640
4641         PR gold/11144
4642         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4643         instead of -Ds.
4644         * testsuite/Makefile.in: Regenerated.
4645
4646 2010-01-10  Doug Kwan  <dougkwan@google.com>
4647
4648         * options.h (DEFINE_var): Use parentheses around argument varname__
4649         in macro body to avoid any unintended subsequent substitutions.
4650
4651 2010-01-10  Ian Lance Taylor  <iant@google.com>
4652
4653         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4654         candidates before doing symbol resolution.
4655
4656         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4657         ODR candidates if only one is weak.
4658
4659 2010-01-08  Ian Lance Taylor  <iant@google.com>
4660
4661         * script.cc (Version_script_info::build_expression_list_lookup):
4662         Don't warn about ambiguous version, just record the ambiguity.
4663         (Version_script_info::get_symbol_version_helper): Give error if
4664         version is ambiguous.
4665
4666 2010-01-08  Doug Kwan  <dougkwan@google.com>
4667
4668         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4669           prev_data_size_ and prev_addralign_.  Remove initializer for
4670           deleted data member has_been_changed_.
4671           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4672           to determine if the table is empty.
4673           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4674           Remove.
4675           (Stub_table::add_reloc_stub): Define method in class definition
4676           instead of just declaring it there.
4677           (Stub_table::add_cortex_a8_stub): New method definition.
4678           (Stub_table::update_data_size_and_addralign): Ditto.
4679           (Stub_table::finalize_stubs): Ditto.
4680           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4681           (Stub_table::do_addralign_): Return address alignment in the
4682           (Stub_table::do_reset_address_and_file_offset): Define method in
4683           class definition instead of declaring it there.  Set current data
4684           size to be the data size of the previous pass.
4685           (Stub_table::set_final_data_size): Use current data size as the
4686           final data size.
4687           (Stub_table::relocate_stub): Change parameter type of stub from
4688           Reloc_stub pointer to Stub pointer.
4689           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4690           (Stub_table::Cortex_a8_stub_list): New typedef.
4691           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4692            Stub_table::prev_addralign_): New data member.
4693           (Arm_relobj::Arm_relobj): Initialize data member
4694           section_has_cortex_a8_workaround_.
4695           (Arm_relobj::section_has_cortex_a8_workaround,
4696            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4697            definitions.
4698           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4699           declarations.
4700           (Target_arm::relocate_stub): Change parameter type of stub from
4701           Reloc_stub pointer to Stub pointer.
4702           (Insn_template::size, Insn_template::alignment): Handle
4703           THUMB16_SPECIAL_TYPE.
4704           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4705            Stub_table::update_data_size_and_addralign,
4706            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4707           definitions.
4708           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4709           (Stub_table::do_write): Ditto.
4710           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4711
4712 2010-01-08  Ian Lance Taylor  <iant@google.com>
4713
4714         PR 11108
4715         * symtab.h (class Symbol): Remove fields is_target_special_ and
4716         has_plt_offset_.  Add field is_defined_in_discarded_section_.
4717         (Symbol::is_defined_in_discarded_section): New function.
4718         (Symbol::set_is_defined_in_discarded_section): New function.
4719         (Symbol::has_plt_offset): Rewrite.
4720         (Symbol::set_plt_offset): Verify that new offset is not -1U.
4721         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
4722         Don't initialize is_target_special_ or has_plt_offset_.
4723         Initialize is_defined_in_discarded_section_.
4724         (Symbol_table::add_from_relobj): If appropriate, set
4725         is_defined_in_discarded_section.
4726         * resolve.cc (Symbol::override_base_with_special): Don't test
4727         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
4728         * target-reloc.h (relocate_section): Do special handling for
4729         symbols defined in discarded sections for global symbols as well
4730         as local symbols.
4731
4732 2010-01-08  Ian Lance Taylor  <iant@google.com>
4733
4734         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
4735         the SHT_SYMTAB case.
4736
4737 2010-01-08  Ian Lance Taylor  <iant@google.com>
4738
4739         * object.cc (Sized_relobj::do_layout): Don't get confused if
4740         layout_eh_frame returns NULL.
4741
4742 2010-01-08  Ian Lance Taylor  <iant@google.com>
4743
4744         PR 11084
4745         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
4746         dynamic symbol table, use the normal symbol table.
4747         (Sized_dynobj::do_read_symbols): Remove assertion about type of
4748         symbol table.
4749
4750 2010-01-08  Ian Lance Taylor  <iant@google.com>
4751
4752         PR 11072
4753         * layout.cc (Layout::include_section): Remove .gnu_debuglink
4754         sections.
4755
4756 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
4757
4758         * version.cc (print_version): Change to "Copyright 2010".
4759
4760 2010-01-08  Ian Lance Taylor  <iant@google.com>
4761
4762         PR 10287
4763         PR 11063
4764         * i386.cc (class Target_i386): Change return type of plt_section
4765         to be non-const.
4766         (class Output_data_plt_i386): Add tls_desc_rel_ field.
4767         (Output_data_plt_i386::Output_data_plt_i386): Initialize
4768         tls_desc_rel_ field.
4769         (Output_data_plt_i386::rel_tls_desc): New function.
4770         (Target_i386::rel_tls_desc_section): New function.
4771         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
4772         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
4773         R_386_TLS_DESC reloc in rel_tls_desc_section.
4774         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
4775         Define struct Tlsdesc_info.
4776         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
4777         (Target_x86_64::do_reloc_symbol_index): New function.
4778         (Target_x86_64::add_tlsdesc_info): New function.
4779         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
4780         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
4781         tlsdesc_rel_ field.
4782         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
4783         all callers.
4784         (Output_data_plt_x86_64::rela_tlsdesc): New function.
4785         (Target_x86_64::rela_tlsdesc_section): New function.
4786         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
4787         handling.
4788         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
4789         (Target_x86_64::do_reloc_addend): New function.
4790         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
4791         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
4792         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
4793         (Output_reloc::type): New function.
4794         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
4795         (Output_reloc::is_target_specific): New function.
4796         (Output_reloc::target_arg): New function.
4797         (class Output_reloc) [SHT_RELA]: Add four new constructors for
4798         absolute relocs and target specific relocs.
4799         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
4800         add_target_specific.
4801         (class Output_data_reloc) [SHT_RELA]: Likewise.
4802         * output.cc (Output_reloc::Output_reloc): Add four new versions
4803         for absolute relocs and target specific relocs.
4804         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
4805         (Output_reloc::get_symbol_index): Likewise.
4806         (Output_reloc::local_section_offset): Check that local_sym_index_
4807         is not TARGET_CODE or 0.
4808         (Output_reloc::symbol_value): Likewise.
4809         (Output_reloc::write) [SHT_RELA]: Call target for target specific
4810         reloc.
4811         * target.h (class Target): Add reloc_symbol_index and reloc_addend
4812         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
4813         functions.
4814         * layout.cc (add_target_dynamic_tags): Use output section for
4815         DT_PLTRELSZ and DT_JMPREL.
4816
4817 2010-01-07  Ian Lance Taylor  <iant@google.com>
4818
4819         PR 11061
4820         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
4821         function.
4822         (class Output_data_reloc_generic): Define.
4823         (class Output_data_reloc_base): Change base class to
4824         Output_data_reloc_generic.  Change add() method to call
4825         bump_relative_reloc_count for a relative reloc.  Remove
4826         sort_relocs_ field.
4827         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
4828         to sort_relocs().
4829         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
4830         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
4831         appropriate.
4832         * layout.h (class Layout): Update declaration.
4833
4834 2010-01-07  Ian Lance Taylor  <iant@google.com>
4835
4836         * output.h (class Output_data): Add const version of
4837         output_section and do_output_section.
4838         (class Output_section_data): Add const version of
4839         do_output_section.
4840         (class Output_section): Likewise.
4841         * layout.cc (Layout::add_target_dynamic_tags): New function.
4842         * layout.h (class Layout): Update declarations.
4843         * arm.cc (Target_arm::do_finalize_sections): Use
4844         add_target_dynamic_tags.
4845         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4846         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4847         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4848         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4849
4850 2010-01-07  Ian Lance Taylor  <iant@google.com>
4851
4852         PR 11042
4853         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
4854         object as needed.
4855
4856 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
4857             Ian Lance Taylor  <iant@google.com>
4858
4859         PR 11019
4860         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
4861         Xindex::read_symtab_xindex.
4862
4863 2010-01-07  Doug Kwan  <dougkwan@google.com>
4864
4865         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
4866         (Insn_template::thumb16_bcond_insn): New method declaration.
4867         (Insn_template): Fix spelling.
4868         (Stub::thumb16_special): New method declaration.
4869         (Stub::do_write): Define virtual method which was previously pure
4870         virtual.
4871         (Stub::do_thumb16_special): New method declaration.
4872         (Stub::do_fixed_endian_write): New template member.
4873         (Reloc_stub::do_write): Remove.
4874         (Reloc_stub::do_fixed_endian_write): Remove.
4875         (Cortex_a8_stub): New class definition.
4876         (Stub_factory::make_cortex_a8_stub): New method definition.
4877         (Stub_factory::Stub_factory): Add missing static storage class
4878         qualifier for elf32_arm_stub_a8_veneer_blx.
4879
4880 2010-01-07  Ian Lance Taylor  <iant@google.com>
4881
4882         PR 10980
4883         * options.h (class General_options): Add --warn-unresolved-symbols
4884         and --error-unresolved-symbols.
4885         * errors.cc (Errors::undefined_symbol): Implement
4886         --warn-unresolved-symbols.
4887
4888         * options.h (class General_options): Add -z text and -z textoff.
4889         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
4890
4891 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
4892
4893         * gc.h (Garbage_collection::Cident_section_map): New typedef.
4894         (Garbage_collection::cident_sections): New function.
4895         (Garbage_collection::add_cident_section): New function.
4896         (Garbage_collection::cident_sections_): New member.
4897         (gc_process_relocs): Add references to sections whose names are C
4898         identifiers.
4899         * gold.h (cident_section_start_prefix): New constant.
4900         (cident_section_stop_prefix): New constant.
4901         (is_cident): New function.
4902         * layout.cc (Layout::define_section_symbols): Replace string constants
4903         with the newly defined constants.
4904         * object.cc (Sized_relobj::do_layout): Track sections whose names are
4905         C identifiers.
4906         * testsuite/Makefile.am: Add gc_orphan_section_test.
4907         * testsuite/Makefile.in: Regenerate.
4908         * testsuite/gc_orphan_section_test.cc: New file.
4909         * testsuite/gc_orphan_section_test.sh: New file.
4910
4911 2010-01-06  Ian Lance Taylor  <iant@google.com>
4912
4913         PR 10980
4914         * options.h (class General_options): Add --warn-shared-textrel.
4915         * layout.cc (Layout::finish_dynamic_section): Implement
4916         --warn-shared-textrel.
4917
4918         PR 10980
4919         * options.h (class General_options): Add --warn-multiple-gp.
4920
4921 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4922
4923         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
4924         $(THREADSLIB) and $(LIBDL).
4925         * Makefile.in: Rebuild.
4926
4927 2010-01-06  Ian Lance Taylor  <iant@google.com>
4928
4929         PR 10980
4930         * options.cc (General_options::parse_section_start): New function.
4931         (General_options::section_start): New function.
4932         (General_options::General_options): Initialize all members.
4933         * options.h: Include <map>
4934         (class General_options): Add --section-start.  Add section_starts_
4935         member.
4936         * layout.cc (Layout::attach_allocated_section_to_segment): If
4937         --section-start was used, set the address of the segment.  Remove
4938         local sort_sections.
4939         (Layout::relaxation_loop_body): If the address of the load segment
4940         has been set by --section-start, don't use it.
4941         * output.h (Output_segment::update_flags_for_output_section): New
4942         function.
4943         * output.cc (Output_segment::add_output_section): Call
4944         update_flags_for_output_section.
4945
4946 2010-01-05  Ian Lance Taylor  <iant@google.com>
4947
4948         PR 10980
4949         * options.h (class General_options): Add --undefined-version.
4950         * script.cc (struct Version_expression): Add was_matched_by_symbol
4951         field.
4952         (Version_script_info::matched_symbol): New function.
4953         (Version_script_info::get_symbol_version_helper): Call
4954         matched_symbol.
4955         (Version_script_info::check_unmatched_names): New function.
4956         * script.h (class Version_script_info): Update declarations.
4957         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
4958
4959         * options.h (class General_options): Use DEFINE_bool_alias for
4960         allow_multiple_definition.
4961         * resolve.cc (Symbol_table::should_override): Don't test
4962         allow_multiple_definition.
4963
4964         PR 10980
4965         * options.h (class General_options): Add --cref.
4966         * main.cc (main): Print cref table if --cref.  Don't close mapfile
4967         until after printing cref table.
4968         * cref.cc: Include "symtab.h".
4969         (class Cref_inputs): Define Cref_table_compare and Cref_table.
4970         (Cref_table_compare::operator()): New function.
4971         (Cref_inputs::gather_cref): New function.
4972         (filecol): New static const.
4973         (Cref_inputs::print_cref): New function.
4974         (Cref::print_cref): New function.
4975         * cref.h: Include <cstdio>.
4976         (class Cref): Update declarations.
4977         * mapfile.h (Mapfile::file): New function.
4978         * object.h (class Object): Define Symbols.  Declare virtual
4979         do_get_global_symbols.
4980         (Object::get_global_symbols): New function.
4981         * object.cc (Input_objects::add_object): Pass object to cref_ if
4982         --cref.
4983         (Input_objects::archive_start): Likewise.
4984         (Input_objects::archive_stop): Likewise.
4985         (Input_objects::print_cref): New function.
4986         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
4987         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
4988         --cref.
4989         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
4990         function.
4991         * plugin.h (class Sized_pluginobj): Update declarations.
4992
4993 2010-01-05  Ian Lance Taylor  <iant@google.com>
4994
4995         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
4996         to is_default_version.  Rename insdef to insdefault.
4997         (Symbol_table::add_from_relobj): Rename def to is_default_version
4998         and local to is_forced_local.
4999         (Symbol_table::add_from_pluginobj): Likewise.
5000         (Symbol_table::add_from_dynobj): Likewise.
5001         (Symbol_table::define_special_symbol): Rename insdef to
5002         insdefault.
5003
5004 2010-01-04  Ian Lance Taylor  <iant@google.com>
5005
5006         PR 10980
5007         * options.h (class General_options): Add
5008         --allow-multiple-definition and -z muldefs.
5009         * resolve.cc (Symbol_table::should_override): Don't warn about a
5010         multiple symbol definition if --allow-multiple-definition or -z
5011         muldefs.
5012
5013         PR 10980
5014         * options.h (class General_options): Add --add-needed and
5015         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5016         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5017         error if --copy-dt-needed-entries aka --add-needed is used and
5018         would cause a change in behaviour.
5019
5020         PR 10980
5021         * options.h (class General_options): Add -G as a short version of
5022         --shared.  Add no-op options -assert, -g, and -i.
5023
5024 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5025
5026         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5027         check for .text or .gnu.linkonce.t sections.
5028         * icf.cc (Icf::find_identical_sections): Ditto.
5029         Change the detection for mangled function name within the section
5030         name.
5031         * icf.h (is_section_foldable_candidate): New function.
5032
5033 2009-12-30  Ian Lance Taylor  <iant@google.com>
5034
5035         PR 10980
5036         * options.h (class General_options): Permit two dashes with
5037         --retain-symbols-file.
5038
5039 2009-12-30  Ian Lance Taylor  <iant@google.com>
5040
5041         PR 10979
5042         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5043         don't put the file header and segment headers in the text
5044         segment.
5045
5046         PR 10979
5047         * common.cc (Sort_commons::operator()): Stabilize sort when both
5048         entries are NULL.
5049         (Symbol_table::do_allocate_commons_list): When allocating common
5050         symbols, skip a symbol which is no longer common.
5051         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5052         an object before checking its type.
5053         * testsuite/common_test_2.c: New file.
5054         * testsuite/common_test_3.c: New file.
5055         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5056         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5057         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5058         (common_test_2_pic.o, common_test_2.so): New targets.
5059         (common_test_3_pic.o, common_test_3.so): New targets.
5060         * testsuite/Makefile.in: Rebuild.
5061
5062         PR 10979
5063         * script.cc (read_input_script): If we see a new SECTIONS clause,
5064         and we have added an input section, give an error.
5065         * layout.h (class Layout): Add have_added_input_section function.
5066         Add have_added_input_section_ field.
5067         * layout.cc (Layout::Layout): Initialize
5068         have_added_input_section_.
5069         (Layout::layout): Set have_added_input_section_.
5070         (Layout::layout_eh_frame): Likewise.
5071
5072 2009-12-30  Ian Lance Taylor  <iant@google.com>
5073
5074         PR 10931
5075         * options.h (class General_options): Add --sort-common option.
5076         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5077         * common.cc (Sort_common): Add sort_order parameter to
5078         constructor.  Add sort_order_ field.
5079         (Sort_commons::operator): Check sort_order_.
5080         (Symbol_table::allocate_commons): Determine the sort order.
5081         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5082         Change all callers.
5083         (Symbol_table::do_allocate_commons_list): Likewise.
5084
5085 2009-12-30  Ian Lance Taylor  <iant@google.com>
5086
5087         PR 10916
5088         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5089         symbols from this object, don't change the visibility of an
5090         undefined symbol.
5091         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5092
5093 2009-12-30  Ian Lance Taylor  <iant@google.com>
5094
5095         PR 10861
5096         * script.h (class Version_script_info): Define Language enum.
5097         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5098         new fields globals_, locals_, and is_finalized_.
5099         * script.cc: Various formatting fixes.
5100         (class Parser_closure): Change language_stack_ from a vector of
5101         std::string to one of Version_script_info::Language.  Adjust all
5102         uses accordingly.
5103         (class Lazy_demangler): Remove.
5104         (struct Version_expression): Change language from std::string to
5105         Version_script_info::Language.
5106         (Version_script_info::Version_script_info): New function.
5107         (Version_script_info::~Version_script_info): Don't call clear.
5108         (Version_script_info::finalize): New function.
5109         (Version_script_info::build_lookup_tables): New function.
5110         (Version_script_info::build_expression_list_lookup): New
5111         function.
5112         (Version_script_info::get_symbol_version_helper): Rewrite to use
5113         lookup tables.
5114         (Version_script_info::print_expression_list): Adjust to use
5115         Version_script_info::Language.
5116         (script_push_lex_into_version_mode): Check that the version script
5117         has not been finalized.
5118         (version_script_push_lang): Change language string to
5119         Version_script_info::Language.
5120         * options.cc (Command_line::version_script): New function.
5121         * options.h (class General_options): Add finalize_dynamic_list
5122         function.  Change version_script from declaration to definition.
5123         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5124         * testsuite/version_script.map: Remove duplicate def of foo.
5125         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5126         version_script.map.
5127         * testsuite/Makefile.in: Rebuild.
5128
5129 2009-12-30  Ian Lance Taylor  <iant@google.com>
5130
5131         PR 10843
5132         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5133         if the input symbol index is 0, make the output symbol index 0.
5134
5135 2009-12-30  Ian Lance Taylor  <iant@google.com>
5136
5137         PR 10670
5138         * options.h (class General_options): Add -x/--discard-all.
5139         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5140         --discard-all.  If the local symbol needs a dynamic entry, check
5141         that before handling --discard-locals.
5142
5143 2009-12-30  Ian Lance Taylor  <iant@google.com>
5144
5145         PR 10450
5146         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5147         flags to PF_R.
5148         (Output_segment::add_output_section): Don't change the flags if
5149         the type is PT_TLS.
5150
5151         PR 10450
5152         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5153         GNU hash table if they need a dynamic value.  Otherwise, don't add
5154         them if they are defined in a dynamic object or are forced local.
5155
5156 2009-12-29  Ian Lance Taylor  <iant@google.com>
5157
5158         PR 10450
5159         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5160         .gnu.hash table for a 32-bit target.
5161
5162         PR 10450
5163         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5164         regular and a dynamic object only needs a dynamic symbol table
5165         entry if it is externally visible.
5166
5167         PR 10450
5168         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5169         constructor.  Add global_offset_table_ field.
5170         (Target_i386::got_section): Set global_offset_table_.
5171         (Target_i386::do_finalize_sections): Set global_offset_table_
5172         size.
5173         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5174         in constructor.  Add global_offset_table_ field.
5175         (Target_x86_64::got_section): Set global_offset_table_.
5176         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5177         size.
5178
5179         * layout.cc (Layout::Layout): Initialize increase_relro_.
5180         (Layout::get_output_section): Add is_relro, is_last_relro, and
5181         is_first_non_relro parameters.  Change all callers.
5182         (Layout::choose_output_section): Likewise.
5183         (Layout::add_output_section_data): Likewise.
5184         (Layout::make_output_section): Likewise.
5185         (Layout::set_segment_offsets): Clear increase_relro when using a
5186         linker script.
5187         * layout.h (class Layout): Add increase_relro method.  Add
5188         increase_relro_ field.  Update declarations.
5189         * output.cc (Output_section::Output_section): Initialize
5190         is_last_relro_ and is_first_non_relro_.
5191         (Output_segment::add_output_section): Group relro sections is
5192         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5193         (Output_segment::maximum_alignment): Remove relro handling.
5194         (Output_segment::set_section_addresses): Add increase_relro
5195         parameter.  Change all callers.  Add initial alignment to align
5196         relro sections on separate page.  Remove old relro handling.
5197         (Output_segment::set_section_list_addresses): Remove in_relro
5198         parameter.  Change all callers.
5199         (Output_segment::set_offset): Add increase parameter.  Change all
5200         callers.  Remove old relro handling.
5201         * output.h (class Output_section): Add new methods: is_last_relro,
5202         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5203         Add is_last_relro_ and is_first_non_relro_ fields.
5204         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5205         Create separate .got.plt section.  Call increase_relro.
5206         * x86_64.cc (Target_x86_64::got_section): Likewise.
5207         * testsuite/relro_script_test.t: Add .got.plt.
5208
5209         PR 10450
5210         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5211         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5212         (Layout::finalize): Call set_dynamic_symbol_size.
5213         (Layout::set_dynamic_symbol_size): New function.
5214         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5215         set_dynamic_symbol_size.
5216
5217         PR 10450
5218         * output.h (class Output_section): Add is_entsize_zero_ field.
5219         * output.cc (Output_section::Output_section): Initialize
5220         is_entsize_zero_.
5221         (Output_section::set_entsize): If two different entsizes are
5222         requested, force it to zero.
5223         (Output_section::add_input_section): Set flags for .debug_str
5224         before updating section flags.  Set entsize.
5225         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5226         and SHF_STRING if all input sections have those flags.
5227
5228 2009-12-29   Rafael Espindola  <espindola@google.com>
5229
5230         * main.cc (main): Fix the sys time reporting.
5231         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5232         reporting.
5233
5234 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5235
5236         * options.cc (General_options::parse_version): Allow -v to exit
5237         without an error if there is nothing to link.
5238
5239 2009-12-29  Ian Lance Taylor  <iant@google.com>
5240
5241         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5242         using a version of gcc before 4.1.
5243         * configure: Rebuild.
5244
5245 2009-12-28  Chris Demetriou  <cgd@google.com>
5246
5247         * attributes.cc (Output_attributes_section_data::do_write): Use
5248         std::vector::front rather than std::vector::data.
5249
5250 2009-12-28  Ian Lance Taylor  <iant@google.com>
5251
5252         * symtab.h (class Symbol_table): Add enum Defined.
5253         * resolve.cc (Symbol_table::should_override): Add defined
5254         parameter.  Change all callers.  Test whether object is NULL
5255         before calling a method on it.
5256         (Symbol_table::report_resolve_problem): Add defined parameter.
5257         Change all callers.
5258         (Symbol_table::should_override_with_special): Likewise.
5259         * symtab.cc (Symbol_table::define_in_output_data): Add defined
5260         parameter.  Change all callers.
5261         (Symbol_table::do_define_in_output_data): Likewise.
5262         (Symbol_table::define_in_output_segment): Likewise.
5263         (Symbol_table::do_define_in_output_segment): Likewise.
5264         (Symbol_table::define_as_constant): Likewise.
5265         (Symbol_table::do_define_as_constant): Likewise.
5266         * script.h (class Symbol_assignment): Add is_defsym parameter to
5267         constructor; change all callers.
5268         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
5269         parameter.  Change all callers.  Add is_defsym_ field.
5270         (class Parser_closure): Add parsing_defsym parameter to
5271         constructor; change all callers.  Add parsing_defsym accessor
5272         function.  Add parsing_defsym_ field.
5273
5274 2009-12-28  Ian Lance Taylor  <iant@google.com>
5275
5276         * gold.cc (queue_middle_tasks): Fix formatting.
5277         * object.cc (Relobj::is_section_name_included): Likewise.
5278
5279 2009-12-23  Ian Lance Taylor  <iant@google.com>
5280
5281         * i386.cc (Target_i386::do_calls_non_split): Recognize
5282         -fsplit-stack prologue for a function with a static chain.
5283         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
5284         -fsplit-stack prologue when using %r11.
5285
5286 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
5287
5288         * options.cc (General_options::parse_version): Make -v continue and do
5289         the link like GNU ld does.
5290
5291 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
5292
5293         * Makefile.am (CCFILES): Add timer.cc.
5294         (HFILES): Add timer.h.
5295         * configure.ac: Check for sysconf and times.
5296         * main.cc: include timer.h.
5297         (main): Use Timer instead of get_run_time.
5298         * timer.cc: New.
5299         * timer.h: New.
5300         * workqueue.cc: include timer.h.
5301         (Workqueue::find_and_run_task):
5302         Report user, sys and wall time.
5303         * Makefile.in: Regenerate.
5304         * config.in: Regenerate.
5305         * configure: Regenerate.
5306
5307 2009-12-16  Doug Kwan  <dougkwan@google.com>
5308
5309         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
5310         sections.
5311         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
5312         relaxed input sections.
5313         * output.cc (Output_section::find_relaxed_input_section): Change
5314         return type to Output_relaxed_input_section pointer.  Adjust code
5315         for new type of relaxed_input_section_map_.
5316         * output.h (Output_section::find_relaxed_input_section): Change
5317         return type to Output_relaxed_input_section pointer.
5318         (Output_section::Output_relaxed_input_section_by_input_section_map):
5319         New type.
5320         (Output_section::relaxed_input_section_map_): Change type to
5321         Output_section::Output_relaxed_input_section_by_input_section_map.
5322         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
5323         input section.
5324
5325 2009-12-15  Ian Lance Taylor  <iant@google.com>
5326
5327         * layout.cc (Layout::create_shstrtab): Only write out after input
5328         sections if we are compressing debug sections.
5329
5330 2009-12-15  Ian Lance Taylor  <iant@google.com>
5331
5332         * archive.cc (Archive::add_symbols): Only look up a symbol without
5333         a version if there is, in fact, a version.
5334
5335 2009-12-14  Ian Lance Taylor  <iant@google.com>
5336
5337         Revert -Wshadow changes, all changes from:
5338         2009-12-11  Doug Kwan  <dougkwan@google.com>
5339         2009-12-11  Nick Clifton  <nickc@redhat.com>
5340         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
5341
5342 2009-12-11  Doug Kwan  <dougkwan@google.com>
5343
5344         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
5345         due to -Wshadow.
5346         * attributes.cc (Object_attribute::size): Ditto.
5347         (Attributes_section_data::size): Ditto.
5348         (Attributes_section_data::Attributes_section_data): Ditto.
5349         (Output_attributes_section_data::do_write): Ditto.
5350         * attributes.h (Object_attribute::set_type): Ditto.
5351         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
5352
5353 2009-12-11  Nick Clifton  <nickc@redhat.com>
5354
5355         * archive.cc: Fix shadowed variable warnings.
5356         * arm.cc: Likewise.
5357         * compressed_output.cc: Likewise.
5358         * compressed_output.h: Likewise.
5359         * configure: Likewise.
5360         * dwarf_reader.cc: Likewise.
5361         * dynobj.cc: Likewise.
5362         * dynobj.h: Likewise.
5363         * ehframe.cc: Likewise.
5364         * ehframe.h: Likewise.
5365         * errors.cc: Likewise.
5366         * expression.cc: Likewise.
5367         * fileread.cc: Likewise.
5368         * fileread.h: Likewise.
5369         * freebsd.h: Likewise.
5370         * i386.cc: Likewise.
5371         * icf.cc: Likewise.
5372         * incremental.h: Likewise.
5373         * layout.cc: Likewise.
5374         * layout.h: Likewise.
5375         * mapfile.cc: Likewise.
5376         * merge.cc: Likewise.
5377         * merge.h: Likewise.
5378         * object.cc: Likewise.
5379         * object.h: Likewise.
5380         * options.h: Likewise.
5381         * output.cc: Likewise.
5382         * output.h: Likewise.
5383         * parameters.cc: Likewise.
5384         * plugin.cc: Likewise.
5385         * powerpc.cc: Likewise.
5386         * reduced_debug_output.cc: Likewise.
5387         * reduced_debug_output.h: Likewise.
5388         * reloc.cc: Likewise.
5389         * reloc.h: Likewise.
5390         * resolve.cc: Likewise.
5391         * script-sections.cc: Likewise.
5392         * script.cc: Likewise.
5393         * script.h: Likewise.
5394         * sparc.cc: Likewise.
5395         * symtab.cc: Likewise.
5396         * symtab.h: Likewise.
5397         * target-select.cc: Likewise.
5398         * target-select.h: Likewise.
5399         * token.h: Likewise.
5400         * workqueue.cc: Likewise.
5401         * workqueue.h: Likewise.
5402         * x86_64.cc: Likewise.
5403
5404 2009-12-10  Doug Kwan  <dougkwan@google.com>
5405
5406         * arm.cc (attributes.h): New include.
5407         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5408         (Arm_relobj::~Arm_relobj): Delete object pointed by
5409         attributes_section_data_.
5410         (Arm_relobj::attributes_section_data): New method definition.
5411         (Arm_relobj::attributes_section_data_): New data member declaration.
5412         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5413         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5414         attributes_section_data_.
5415         (Arm_dynobj::attributes_section_data): New method definition.
5416         (Arm_dynobj::attributes_section_data_): New data member declaration.
5417         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5418         initialization value of may_use_blx_ to false.
5419         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5420         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5421         object attributes to compute results instead of hard-coding.
5422         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5423         Target_arm::get_secondary_compatible_arch,
5424         Target_arm::set_secondary_compatible_arch
5425         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5426         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5427         New method declarations.
5428         (Target_arm::get_aeabi_object_attribute): New method definition.
5429         (Target_arm::attributes_section_data_): New data member declaration.
5430         (read_arm_attributes_section): New template definition.
5431         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5432         (Arm_dynobj::do_read_symbols): Ditto.
5433         (Target_arm::do_finalize_sections): Merge attributes sections from
5434         input.  Check for BLX use after attributes section merging.
5435         Fix __exidx_start and __exidx_end visibility.  Create an
5436         .ARM.attributes section if necessary.
5437         (Target_arm::get_secondary_compatible_arch,
5438         Target_arm::set_secondary_compatible_arch,
5439         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5440         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5441         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5442         New method definitions.
5443
5444 2009-12-09  Ian Lance Taylor  <iant@google.com>
5445
5446         * plugin.cc (Plugin::load): Don't cast from void* to a function
5447         pointer.
5448
5449 2009-12-09  Ian Lance Taylor  <iant@google.com>
5450
5451         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5452         information fields.
5453
5454 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5455
5456         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5457         Replace two_file_shared_1.so with two_file_shared_2.so.
5458         * testsuite/Makefile.in: Regenerated.
5459
5460 2009-12-08  Doug Kwan  <dougkwan@google.com>
5461
5462         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5463         (HFILES): Add attributes.h and int_encoding.h.
5464         * Makefile.in: Regenerate.
5465         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5466         function definitions to int_encoding.cc
5467         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5468         prototypes to int_encoding.h
5469         * reduced_debug_output.cc (int_encoding.h): New include.
5470         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5471         function definitions to int_encoding.cc
5472         (insert_into_vector, read_from_pointer): Move template definitions to
5473         int_encoding.h
5474         * attributes.cc: New file.
5475         * attributes.h: New file.
5476         * int_encoding.cc: New file.
5477         * int_encoding.h: New file.
5478
5479 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5480
5481         PR gold/11055
5482         * incremental-dump.cc (dump_incremental_inputs): New.
5483         (main): Use dump_incremental_inputs.
5484
5485 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5486
5487         PR gold/10893
5488         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5489         checking elfcpp::STT_FUNC.
5490         (Target_i386::Relocate::relocate): Likewise.
5491         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5492
5493         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5494         symbols from shared libraries into normal FUNC symbols.
5495
5496         * symtab.h (Symbol): Add is_func and use it.
5497
5498 2009-12-05  Doug Kwan  <dougkwan@google.com>
5499
5500         * arm.cc (Target_arm::arm_info): Initialize new fields
5501         attributes_section and attributes_vendor.
5502         * i386.cc (Target_i386::i386_info): Same.
5503         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5504         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5505         fields attributes_section and attributes_vendor.
5506         * sparc.cc (Target_sparc::sparc_info): Same.
5507         * target.h (Target::attributes_section, Target::attributes_vendor,
5508         Target::is_attributes_section, Target::attribute_arg_type,
5509         Target::attributes_order): New method definitions.
5510         (Target::Target_info::attributes_section,
5511         Target::Target_info::attributes_vendor): New fields.
5512         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5513         virtual method definitions.
5514         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5515         attributes_section and attributes_vendor.
5516         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5517
5518 2009-12-05  Doug Kwan  <dougkwan@google.com>
5519
5520         * arm.cc: Update comments about interworking and stub generation.
5521         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5522         considered as non-PIC.
5523         (Arm_relocate_functions::base_abs): Fix formatting.
5524         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5525         of function to use GOT entry address instead of offset.
5526         (Target_arm::Scan::global): Issue an error if a symbol would need a
5527         PLT does not get one because it is untyped.  Remove code to create
5528         dynamic symbols for relative branches.
5529         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5530         takes unsigned integer instead of boolean.
5531
5532 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5533
5534         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5535         (two_file_test_LDADD): Likewise.
5536         (common_test_1_LDADD): Likewise.
5537         (exception_test_LDADD) Likewise.
5538         (weak_test_LDADD): Likewise.
5539         (many_sections_test_LDADD): Likewise.
5540         (initpri1_LDADD): Likewise.
5541         (script_test_1_LDADD): Likewise.
5542         (script_test_2_LDADD): Likewise.
5543         (justsyms_LDADD): Likewise.
5544         (binary_test_LDADD): Likewise.
5545         (large_LDADD): Likewise.
5546         * testsuite/Makefile.in: Regenerated.
5547
5548 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5549
5550         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5551         (Symbol_table::override_with_special): Likewise.
5552         (Symbol_table::add_from_object): Likewise.
5553
5554 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5555
5556         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5557         Don't set the data_offset twice.
5558
5559 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5560
5561         * testsuite/Makefile.in: Regenerate.
5562
5563 2009-12-03  Doug Kwan  <dougkwan@google.com>
5564
5565         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5566         (Target_arm::do_finalize_sections): Add parameter for symbol table
5567         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5568         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5569         parameter for symbol table pointer.
5570         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5571         an additional parameter for a pointer to symbol table.
5572         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5573         parameter for a symbol table pointer.
5574         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5575         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5576         Ditto.
5577         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5578         parameter for a symbol table pointer.
5579
5580 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5581
5582         * incremental.cc (Incremental_inputs_header)
5583         (Incremental_inputs_header_write, Incremental_inputs_entry)
5584         (Incremental_inputs_entry_write): Move ...
5585         * incremental.h (Incremental_inputs_header)
5586         (Incremental_inputs_header_write, Incremental_inputs_entry)
5587         (Incremental_inputs_entry_write): here.
5588
5589 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5590
5591         * incremental.cc (make_sized_incremental_binary): Set the target.
5592         Error if it is incompatible.
5593         * output.h (Output_file): Add filename method.
5594
5595 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5596
5597         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5598         from the get_* methods.
5599
5600 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5601
5602         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5603         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5604         Write 0 for the data_offset of scripts.
5605
5606 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5607
5608         * testsuite/Makefile.am: Add the incremental_test.sh test.
5609         * testsuite/incremental_test.sh: New.
5610         * testsuite/incremental_test_1.c: New.
5611         * testsuite/incremental_test_2.c: New.
5612
5613 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5614
5615        * incremental-dump.cc (main): Fix typos.
5616
5617 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5618
5619         PR gold/11025
5620         * incremental-dump.cc (main): Use llu to print 64 bit values.
5621
5622 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5623             H.J. Lu  <hongjiu.lu@intel.com>
5624
5625         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5626         $(LIBDL).
5627         (incremental_dump_LDADD): Likewise.
5628         * Makefile.in: Regenerated.
5629
5630 2009-11-25  Doug Kwan  <dougkwan@google.com>
5631
5632         Revert:
5633
5634         2009-11-25  Doug Kwan  <dougkwan@google.com>
5635
5636                 * arm.cc (Target_arm::Target_arm): Move method definition
5637                 outside of class definition.  Add code to handle
5638                 --target1-rel, --target1-abs and --target2= options.
5639                 (Target_arm::get_reloc_reloc_type): Change method to be
5640                 non-static and const.
5641                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5642                 New data member declaration.
5643                 (Target_arm::Scan::local, Target_arm::Scan::global,
5644                 Target_arm::Relocate::relocate,
5645                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5646                 Adjust call to Target_arm::get_real_reloc_type.
5647                 (Target_arm::get_real_reloc_type): Use command line options
5648                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5649                 * options.h (--target1-rel, --target1-abs, --target2): New
5650                 ARM-only options.
5651
5652 2009-11-25  Doug Kwan  <dougkwan@google.com>
5653
5654         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5655         class definition.  Add code to handle --target1-rel, --target1-abs
5656         and --target2= options.
5657         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5658         and const.
5659         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5660         member declaration.
5661         (Target_arm::Scan::local, Target_arm::Scan::global,
5662         Target_arm::Relocate::relocate,
5663         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5664         call to Target_arm::get_real_reloc_type.
5665         (Target_arm::get_real_reloc_type): Use command line options to
5666         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5667         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5668         options.
5669
5670 2009-11-25  Doug Kwan  <dougkwan@google.com>
5671
5672         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5673         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5674         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5675         formatting.
5676         (Arm_relocate_functions::thm_call): Replace body with a call to
5677         Arm_relocate_functions::thumb_branch_common.
5678         (Arm_relocate_functions::thm_jump24,
5679         Arm_relocate_functions::thm_xpc22): New method definitions.
5680         (Arm_relocate_functions::thumb_branch_common): New method definition.
5681         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5682         operator.
5683         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5684         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5685
5686 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5687
5688         * Makefile.am: Build incremental-dump
5689         * Makefile.in: Regenerate.
5690         * incremental-dump.cc: New.
5691         * incremental.cc (Incremental_inputs_header_data,
5692         Incremental_inputs_entry_data): Move to incremental.h
5693         * incremental.h: (Incremental_inputs_header_data,
5694         Incremental_inputs_entry_data): Move from incremental.cc
5695
5696 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5697
5698         * incremental.cc (Incremental_inputs_header,
5699         Incremental_inputs_header_write, Incremental_inputs_entry,
5700         Incremental_inputs_entry_write): Add a typedef with the data type.
5701
5702 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5703
5704         * incremental.cc (Incremental_inputs_header,
5705         Incremental_inputs_header_write, Incremental_inputs_entry,
5706         Incremental_inputs_entry_write): Update comment about which
5707         type has the filed descriptions.
5708
5709 2009-11-15  Doug Kwan  <dougkwan@google.com>
5710
5711         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5712         (Arm_relocate_functions::arm_branch_common): Change method defintion
5713         in class definition to a method declaration and update list of formal
5714         parameters.
5715         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
5716         Arm_relocation_functions::jump24): Adjust call to
5717         Arm_relocate_functions::arm_branch_common.  Update list of formal
5718         parameters.
5719         (Arm_relocate_functions::xpc25): New method definition.
5720         (Arm_relocate_functions::arm_branch_common): Move method defintion
5721         out from class definition.  Use stubs for mode-switching and extending
5722         branch ranges.
5723         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
5724         specially.  Change code to enable use of stubs in ARM branches.
5725
5726 2009-11-10  Doug Kwan  <dougkwan@google.com>
5727
5728         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5729         in method declaration.
5730         (Target_arm::relocate_stub): New method declaration.
5731         (Target_arm::default_target): Change to return a pointer instead of
5732         a const reference.
5733         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
5734         Target_arm::default_target.
5735         (Arm_Relobj::do_relocate_sections): Remove options paramater in
5736         method definition.
5737         (Target_arm::relocate_section): Adjust view.
5738         (Target_arm::relocate_stub): New method definition.
5739
5740 2009-11-10  Doug Kwan  <dougkwan@google.com>
5741
5742         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
5743         a format warning.
5744         * incremental.cc (open_incremental_binary): Initialized local
5745         variables to avoid warnings.
5746         * object.cc (make_elf_object): Ditto.
5747         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
5748         a format warning.
5749
5750 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
5751
5752         PR gold/10930
5753         * testsuite/plugin_test.c: Include "config.h".
5754
5755 2009-11-09  Doug Kwan  <dougkwan@google.com>
5756
5757         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
5758         (arm_symbol_value): Remove.
5759         (Arm_relocate_functions::arm_branch_common,
5760         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
5761         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
5762         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
5763         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
5764         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
5765         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
5766         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
5767         Arm_relocate_functions::thm_mobw_abs_nc,
5768         Arm_relocate_functions::thm_mov_abs,
5769         Arm_relocate_functions::movw_prel_nc,
5770         Arm_relocate_functions::thm_movt_abs,
5771         Arm_relocate_functions::movt_prel,
5772         Arm_relocate_functions::thm_movw_prel_nc,
5773         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
5774         (Target_arm::Relocate::relocate): Only decompose address into two
5775         parts if relocation type uses the thumb-bit and pass the actual
5776         bit instead of a flag indicating that the thumb-bit is used.  Adjust
5777         calls to methods in Arm_relocate_functions for this change.
5778
5779 2009-11-08  Ian Lance Taylor  <iant@google.com>
5780
5781         PR 10925
5782         * reloc.cc: Instantiate
5783         Sized_relobj::initialize_input_to_output_maps and
5784         Sized_relobj:free_input_to_output_maps.
5785
5786 2009-11-06  Ian Lance Taylor  <iant@google.com>
5787
5788         PR 10876
5789         * defstd.cc (in_segment): Set only_if_ref true for "end".
5790
5791 2009-11-06  Doug Kwan  <dougkwan@google.com>
5792
5793         * arm.cc (class Reloc_stub): Correct a comment.
5794         (Target_arm::Target_arm): Initialize arm_input_section_map_.
5795         (Target_arm::scan_section_for_stubs): New method declaration.
5796         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
5797         Change methods from private to protected.
5798         (Target_arm::do_may_relax): New method definition.
5799         (Target_arm::do_relax, Target_arm::group_sections,
5800         Target_arm::scan_reloc_for_stub,
5801         Target_arm::scan_reloc_section_for_stubs): New method declarations.
5802         (Target_arm::arm_input_section_map_): New data member declaration.
5803         (Target_arm::scan_reloc_for_stub,
5804         Target_arm::scan_reloc_section_for_stubs,
5805         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
5806         Target_arm::do_relax): New method definitions.
5807
5808 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
5809
5810         * configure.ac: Check for (struct stat)::st_mtim
5811         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
5812         * config.in: Regenerate.
5813         * configure: Regenerate.
5814
5815 2009-11-05  Ian Lance Taylor  <iant@google.com>
5816
5817         PR 10910
5818         * output.cc (Output_segment::add_output_section): Add missing
5819         return statement.
5820
5821 2009-11-04  Ian Lance Taylor  <iant@google.com>
5822
5823         PR 10880
5824         * object.h (class Object): Add is_needed and set_is_needed
5825         methods.  Add is_needed_ field.  Make bool fields into bitfields.
5826         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
5827         defined in a dynamic object and referenced by a regular object,
5828         set is_needed for the dynamic object.
5829         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
5830         if the file is marked with as_needed and it is not needed.
5831
5832 2009-11-04  Ian Lance Taylor  <iant@google.com>
5833
5834         PR 10887
5835         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
5836         tags if data is discarded by linker script.
5837         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5838         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5839         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5840         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5841
5842 2009-11-04  Ian Lance Taylor  <iant@google.com>
5843
5844         * layout.cc (Layout::get_output_section): Add is_interp and
5845         is_dynamic_linker_section parameters.  Change all callers.
5846         (Layout::choose_output_section): Likewise.
5847         (Layout::make_output_section): Likewise.
5848         (Layout::add_output_section_data): Add is_dynamic_linker_section
5849         parameter.  Change all callers.
5850         * layout.h (class Layout): Update declarations.
5851         * output.h (class Output_section): Add is_interp, set_is_interp,
5852         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
5853         Add is_interp_, is_dynamic_linker_section_ fields.  Change
5854         generate_code_fills_at_write_ to a bitfield.
5855         * output.cc (Output_section::Output_sections): Initialize new
5856         fields.
5857         (Output_segment::add_output_section): Add do_sort parameter.
5858         Change all callers.
5859
5860 2009-11-03  Ian Lance Taylor  <iant@google.com>
5861
5862         PR 10860
5863         * options.h (class General_options): Add --warn-common.
5864         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
5865         merging two common symbols.
5866         (Symbol_table::should_override): Handle --warn-common when merging
5867         a common symbol with a defined symbol.  Use report_resolve_problem
5868         for multiple definitions.
5869         (Symbol_table::report_resolve_problem): New function.
5870         * symtab.h (class Symbol_table): Declare report_resolve_problem.
5871
5872 2009-11-03  Doug Kwan  <dougkwan@google.com>
5873
5874         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
5875         stub_factory_.
5876         (Target_arm::stub_factory): New method definition.
5877         (Target_arm::new_arm_input_section,
5878         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
5879         Target_arm::reloc_uses_thumb_bit): New method declarations.
5880         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
5881         New type definitions.
5882         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
5883         member declarations.
5884         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
5885         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
5886         New method definitions.
5887
5888 2009-11-03  Ian Lance Taylor  <iant@google.com>
5889
5890         * options.h (class General_options): Add --warn_constructors.
5891
5892 2009-11-03  Ian Lance Taylor  <iant@google.com>
5893
5894         PR 10893
5895         * defstd.cc (in_section): Add entries for __rel_iplt_start,
5896         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
5897
5898 2009-11-03  Ian Lance Taylor  <iant@google.com>
5899
5900         PR 10895
5901         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
5902         --msgid-bugs-address.
5903         (install-pdf): New target.
5904         (install-data_yes): Look up one directory to find mkinstalldirs.
5905
5906 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
5907
5908         * po/Make-in (.po.gmo): Don't generate .gmo files in source
5909         tree.
5910
5911 2009-10-30  Doug Kwan  <dougkwan@google.com>
5912
5913         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
5914
5915 2009-10-30  Doug Kwan  <dougkwan@google.com>
5916
5917         * arm.cc (Stub_addend_reader): New struct template definition
5918         and partial specializations.
5919         (Stub_addend_reader::operator()): New method definition for a
5920         partially specialized template.
5921
5922 2009-10-30  Doug Kwan  <dougkwan@google.com>
5923
5924         * arm.cc (Arm_relobj::processor_specific_flags): New method
5925         definition.
5926         (Arm_relobj::do_read_symbols): New method declaration.
5927         (Arm_relobj::processor_specific_flags_): New data member declaration.
5928         (Arm_dynobj): New class definition.
5929         (Target_arm::do_finalize_sections): Add input_objects parameter.
5930         (Target_arm::do_adjust_elf_header): New method declaration.
5931         (Target_arm::are_eabi_versions_compatible,
5932         (Target_arm::merge_processor_specific_flags): New method declaration.
5933         (Target_arm::do_make_elf_object): New overloaded method definitions
5934         and declaration.
5935         (Arm_relobj::do_read_symbols): New method definition.
5936         (Arm_dynobj::do_read_symbols): Ditto.
5937         (Target_arm::do_finalize_sections): Add input_objects parameters.
5938         Merge processor-specific flags from all input objects.
5939         (Target_arm::are_eabi_versions_compatible,
5940         Target_arm::merge_processor_specific_flags,
5941         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
5942         New method definitions.
5943         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
5944         Input_objects pointer type parameter.
5945         * layout.cc (Layout::finalize): Pass input objects to target's.
5946         finalize_sections function.
5947         * output.cc (Output_file_header::do_sized_write): Set ELF file
5948         header's processor-specific flags.
5949         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
5950         Input_objects pointer type parameter.
5951         * sparc.cc (Target_sparc::do_finalize_sections): Same.
5952         * target.h (Input_objects): New forward class declaration.
5953         (Target::processor_specific_flags,
5954         Target::are_processor_specific_flags_sect): New method definitions.
5955         (Target::finalize_sections): Add input_objects parameter.
5956         (Target::Target): Initialize processor_specific_flags_ and
5957         are_processor_specific_flags_set_.
5958         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
5959         parameter.
5960         (Target::set_processor_specific_flags): New method definition.
5961         (Target::processor_specific_flags_,
5962         Target::are_processor_specific_flags_set_): New data member
5963         declarations.
5964         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
5965         Input_objects pointer type parameter.
5966
5967 2009-10-30  Doug Kwan  <dougkwan@google.com>
5968
5969         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
5970
5971 2009-10-28  Ian Lance Taylor  <iant@google.com>
5972
5973         * object.h (class Relobj): Drop options parameter from
5974         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
5975         do_scan_relocs, do_relocate.  Change all callers.
5976         (class Sized_relobj): Drop options parameters from
5977         do_gc_process_relocs, do_scan_relocs, do_relocate,
5978         do_relocate_sections, relocate_sections, emit_relocs_scan,
5979         emit_relocs_scan_reltype.  Change all callers.
5980         (struct Relocate_info): Remove options field and all references to
5981         it.
5982         * reloc.h (class Read_relocs): Remove options constructor
5983         parameter and options_ field.  Change all callers.
5984         (class Gc_process_relocs, class Scan_relocs): Likewise.
5985         (class Relocate_task): Likewise.
5986         * target-reloc.h (scan_relocs): Remove options parameter.  Change
5987         all callers.
5988         (scan_relocatable_relocs): Likewise.
5989         * target.h (class Sized_target): Remove options parameter from
5990         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
5991         all callers.
5992         * gc.h (gc_process_relocs): Remove options parameter.  Change all
5993         callers.
5994         * arm.cc: Update functions to remove options parameters.
5995         * i386.cc: Likewise.
5996         * powerpc.cc: Likewise.
5997         * sparc.cc: Likewise.
5998         * x86_64.cc: Likewise.
5999         * testsuite/testfile.cc: Likewise.
6000
6001 2009-10-28  Doug Kwan  <dougkwan@google.com>
6002
6003         * arm.cc (Arm_relobj): New class definition.
6004         (Arm_relobj::scan_sections_for_stubs,
6005         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6006         New method definitions.
6007
6008 2009-10-28  Cary Coutant  <ccoutant@google.com>
6009
6010         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6011         (Plugin::cleanup_done_): New member.
6012         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6013         (Plugin_manager::cleanup_done_): Remove.
6014         (Plugin_manager::add_input_file): Edit error message.
6015         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6016         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6017
6018 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6019
6020         * fileread.cc: (File_read::View::~View): Use the new
6021         data_ownership_ filed.
6022         (File_read::~File_read): Dispose the new whole_file_view_.
6023         (File_read::open): Mmap the whole file if needed.
6024         (File_read::open): Use whole_file_view_ instead of contents_.
6025         (File_read::find_view): Use whole_file_view_ if applicable.
6026         (File_read::do_read): Use whole_file_view_ instead of contents_.
6027         (File_read::make_view): Use whole_file_view_ instead of contents_,
6028         update File_read::View::View call.
6029         (File_read::find_or_make_view): Update File_read::View::View
6030         call.
6031         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6032         remove contents_
6033         (File_read::View::Data_ownership): New enum.
6034         (File_read::View::View): Replace bool mapped_ with Data_ownership
6035         argument.
6036         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6037         (File_read::View::data_ownership_): New field.
6038         (File_read::contents_): Remove (replaced by whole_file_view_).
6039         (File_read::whole_file_view_): New field.
6040         * options.h (class General_options): Add --keep-files-mapped.
6041
6042 2009-10-27  Cary Coutant  <ccoutant@google.com>
6043
6044         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6045         * testsuite/Makefile.am (plugin_test_5): New test case.
6046         * testsuite/Makefile.in: Regenerate.
6047
6048 2009-10-25  Doug Kwan  <dougkwan@google.com>
6049
6050         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6051         from private to protected to allow access by child class.
6052         (Sized_relobj::do_relocate_sections): New method declaration.
6053         (Sized_relobj::relocate_sections): Virtualize.
6054         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6055         Sized_relobj::relocate_sections.  Instantiate template explicitly
6056         for different target sizes and endianity.
6057
6058 2009-10-24  Doug Kwan  <dougkwan@google.com>
6059
6060         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6061         (Arm_input_section::as_arm_input_section): New method.
6062         (Arm_output_section): New class definition.
6063         (Arm_output_section::create_stub_group,
6064         Arm_output_section::group_sections): New method definitions.
6065
6066 2009-10-22  Doug Kwan  <dougkwan@google.com>
6067
6068         * arm.cc (Arm_input_section): New class definition.
6069         (Arm_input_section::init, Arm_input_section:do_write,
6070         Arm_input_section::set_final_data_size,
6071         Arm_input_section::do_reset_address_and_file_offset): New method
6072         definitions.
6073
6074 2009-10-21  Doug Kwan  <dougkwan@google.com>
6075
6076         * arm.cc (Stub_table, Arm_input_section): New forward class
6077         declarations.
6078         (Stub_table): New class defintion.
6079         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6080         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6081         New method definition.
6082
6083 2009-10-21  Doug Kwan  <dougkwan@google.com>
6084
6085         * arm.cc: Update copyright comments.
6086         (Target_arm): New forward class template declaration.
6087         (Arm_address): New type.
6088         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6089         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6090         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6091         constants.
6092         (Insn_template): Same.
6093         (DEF_STUBS): New macro.
6094         (Stub_type): New enum type.
6095         (Stub_template): New class definition.
6096         (Stub): Same.
6097         (Reloc_stub): Same.
6098         (Stub_factory): Same.
6099         (Target_arm::Target_arm): Initialize may_use_blx_ and
6100         should_force_pic_veneer_.
6101         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6102         Target_arm::should_force_pic_veneer,
6103         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6104         Target_arm::using_thumb_only, Target_arm:;default_target): New
6105         method defintions.
6106         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6107         New data member declarations.
6108         (Insn_template::size, Insn_template::alignment): New method defintions.
6109         (Stub_template::Stub_template): New method definition.
6110         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6111         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6112         (Stub_factory::Stub_factory): New method definition.
6113         * gold.h (string_hash): New template.
6114         * output.h (Input_section_specifier::hash_value): Use
6115         gold::string_hash.
6116         (Input_section_specifier::string_hash): Remove.
6117         * stringpool.cc (Stringpool_template::string_hash): Use
6118         gold::string_hash.
6119
6120 2009-10-20  Doug Kwan  <dougkwan@google.com>
6121
6122         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6123         symbols of relaxed input sections.
6124         * output.h (Output_section::find_relaxed_input_section): Make
6125         method public.
6126
6127 2009-10-16  Doug Kwan  <dougkwan@google.com>
6128
6129         * dynobj.cc (Versions::Versions): Initialize version_script_.
6130         Only insert base version symbol definition for a shared object
6131         if version script defines any version versions.
6132         (Versions::define_base_version): New method definition.
6133         (Versions::add_def): Check that base version is not needed.
6134         (Versions::add_need): Define base version lazily.
6135         * dynobj.h (Versions::define_base_version): New method declaration.
6136         (Versions::needs_base_version_): New data member declaration.
6137         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6138         (check_DATA): Add no_version_test.stdout.
6139         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6140         New make rules.
6141         * testsuite/Makefile.in: Regenerate.
6142         * testsuite/no_version_test.c: New file.
6143         * testsuite/no_version_test.sh: Ditto.
6144
6145 2009-10-16  Doug Kwan  <dougkwan@google.com>
6146
6147         * expression.cc (class Segment_start_expression): New class definition.
6148         (Segment_start_expression::value): New method definition.
6149         (script_exp_function_segment_start): Return a new
6150         Segment_start_expression.
6151         * gold/script-c.h (script_saw_segment_start_expression): New function
6152         prototype.
6153         * script-sections.cc (Script_sections::Script_sections): Initialize
6154         SAW_SEGMENT_START_EXPRESSION_ to false.
6155         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6156         and -Tbbs options to specify section addresses if given in
6157         command line and no SEGMENT_START expression is seen in a script.
6158         * script-sections.h (Script_sections::saw_segment_start_expression,
6159         Script_sections::set_saw_segment_start_expression): New method
6160         definition.
6161         (Script_sections::saw_segment_start_expression_): New data member
6162         declaration.
6163         * script.cc (script_saw_segment_start_expression): New function.
6164         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6165         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6166         script_test_7.sh and script_test_8.sh.
6167         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6168         script_test_8.stdout.
6169         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6170         (script_test_6, script_test_6.stdout, script_test_7,
6171         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6172         * Makefile.in: Regenerate.
6173         * testsuite/script_test_6.sh: New file.
6174         * testsuite/script_test_6.t: Same.
6175         * testsuite/script_test_7.sh: Same.
6176         * testsuite/script_test_7.t: Same.
6177         * testsuite/script_test_8.sh: Same.
6178
6179 2009-10-16  Doug Kwan  <dougkwan@google.com>
6180
6181         * output.cc (Output_segment::set_section_list_address): Cast
6182         expressions to unsigned long long type to avoid format warnings.
6183
6184 2009-10-15  Ian Lance Taylor  <iant@google.com>
6185
6186         * script.cc (Script_options::add_symbol_assignment): Always add a
6187         dot assignment to script_sections_.
6188         * script-sections.cc (Script_sections::add_dot_assignment):
6189         Initialize if necessary.
6190
6191         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6192         program headers with no load segment if there is a linker script.
6193
6194         * layout.cc (Layout::set_segment_offsets): Align the file offset
6195         to the segment aligment for -N or -n with no load segment.
6196         * output.cc (Output_segment::add_output_section): Don't crash if
6197         the first section is a TLS section.
6198         (Output_segment::set_section_list_addresses): Print an error
6199         message if the address moves backward in a linker script.
6200         * script-sections.cc
6201         (Output_section_element_input::set_section_addresses): Don't
6202         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6203         (Orphan_output_section::set_section_addresses): Likewise.
6204
6205 2009-10-15  Doug Kwan  <dougkwan@google.com>
6206
6207         * layout.cc (Layout::finish_dynamic_section): Generate tags
6208         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6209         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6210         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6211
6212 2009-10-14  Ian Lance Taylor  <iant@google.com>
6213
6214         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6215         fields.
6216         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6217         data_shdr fields of relinfo.
6218         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6219         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6220         R_386_TLS_LDO_32, adjust based on section flags.
6221         (Target_i386::Relocate::fix_up_ldo): Remove.
6222
6223 2009-10-13  Ian Lance Taylor  <iant@google.com>
6224
6225         Add support for -pie.
6226         * options.h (class General_options): Add -pie and
6227         --pic-executable.
6228         (General_options::output_is_position_independent): Test -pie.
6229         (General_options::output_is_executable): Return true if not shared
6230         and not relocatable.
6231         (General_options::output_is_pie): Remove.
6232         * options.cc (General_options::finalize): Reject incompatible uses
6233         of -pie.
6234         * gold.cc (queue_middle_tasks): A -pie link is not static.
6235         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6236         * symtab.cc (Symbol::final_value_is_known): Return false if
6237         output_is_position_independent.
6238         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6239         output_is_position_independent.
6240         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6241         output_is_position_independent.
6242         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6243         output_is_position_independent.
6244         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6245         two_file_pie_test.
6246         (basic_pie_test.o, basic_pie_test): New targets.
6247         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
6248         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
6249         (two_file_pie_test): New target.
6250         * testsuite/Makefile.in: Rebuild.
6251         * README: Remove note saying that -pie is not supported.
6252
6253 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6254
6255         * options.h (class General_options): Add -init and -fini.
6256         * layout.cc (Layout::finish_dynamic_section): Emit
6257         given init and fini functions.
6258
6259 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
6260
6261         * gc.h (gc_process_relocs): Check if icf is enabled using new
6262         function.
6263         * gold.cc (queue_initial_tasks): Likewise.
6264         (queue_middle_tasks): Likewise.
6265         * object.cc (do_layout): Likewise.
6266         * symtab.cc (is_section_folded): Likewise.
6267         * main.cc (main): Likewise.
6268         * reloc.cc (Read_relocs::run): Likewise.
6269         (Sized_relobj::do_scan_relocs): Likewise.
6270         * icf.cc (is_function_ctor_or_dtor): New function.
6271         (Icf::find_identical_sections): Check if function is ctor or dtor when
6272         safe icf is chosen.
6273         * options.h (General_options::icf): Change option to be an enum.
6274         (Icf_status): New enum.
6275         (icf_enabled): New method.
6276         (icf_safe_folding): New method.
6277         (set_icf_status): New method.
6278         (icf_status_): New variable.
6279         * (options.cc) (General_options::finalize): Set icf_status_.
6280         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
6281         icf_test and icf_keep_unique_test to use the --icf enum flag.
6282         * testsuite/icf_safe_test.sh: New file.
6283         * testsuite/icf_safe_test.cc: New file.
6284
6285 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
6286
6287         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
6288         includes to gc.h and icf.h.
6289         * arm.cc: Include gc.h.
6290         * gold.cc: Likewise.
6291         * i386.cc: Likewise.
6292         * powerpc.cc: Likewise.
6293         * sparc.cc: Likewise.
6294         * x86_64.cc: Likewise.
6295         * gc.h: Include icf.h.
6296
6297 2009-10-11  Ian Lance Taylor  <iant@google.com>
6298
6299         * plugin.cc: Include "gold.h" before other header files.
6300
6301 2009-10-10  Chris Demetriou  <cgd@google.com>
6302
6303         * options.h (Input_file_argument::Input_file_type): New enum.
6304         (Input_file_argument::is_lib_): Replace with...
6305         (Input_file_argument::type_): New member.
6306         (Input_file_argument::Input_file_argument): Take Input_file_type
6307         'type' rather than boolean 'is_lib' as second argument.
6308         (Input_file_argument::is_lib): Use type_.
6309         (Input_file_argument::is_searched_file): New function.
6310         (Input_file_argument::may_need_search): Handle is_searched_file.
6311         * options.cc (General_options::parse_library): Support -l:filename.
6312         (General_options::parse_just_symbols): Update for Input_file_argument
6313         changes.
6314         (Command_line::process): Likewise.
6315         * archive.cc (Archive::get_file_and_offset): Likewise.
6316         * plugin.cc (Plugin_manager::release_input_file): Likewise.
6317         * script.cc (read_script_file, script_add_file): Likewise.
6318         * fileread.cc (Input_file::Input_file): Likewise.
6319         (Input_file::will_search_for): Handle is_searched_file.
6320         (Input_file::open): Likewise.
6321         * readsyms.cc (Read_symbols::get_name): Likewise.
6322         * testsuite/Makefile.am (searched_file_test): New test.
6323         * testsuite/Makefile.in: Regenerate.
6324         * testsuite/searched_file_test.cc: New file.
6325         * testsuite/searched_file_test_lib.cc: New file.
6326
6327 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6328             Ian Lance Taylor  <iant@google.com>
6329
6330         * descriptor.cc: Include <cstdio> and "binary-io.h".
6331         (Descriptors::open): Open the files in binary mode always.
6332         * script.cc (Lex::get_token): Treat \r as whitespace.
6333
6334 2009-10-09  Ian Lance Taylor  <iant@google.com>
6335
6336         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
6337
6338 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6339             Ian Lance Taylor  <iant@google.com>
6340
6341         * configure.ac: Check for readv function also.
6342         * fileread.cc (readv): Define if not HAVE_READV.
6343         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
6344         does not exist.
6345         * config.in: Regenerate.
6346         * configure: Regenerate.
6347
6348 2009-10-09  Doug Kwan  <dougkwan@google.com>
6349
6350         * layout.cc (Layout::make_output_section): Call target hook to make
6351         ordinary output section.
6352         (Layout::finalize): Adjust parameter list of call the
6353         Target::may_relax().
6354         * layout.h (class Layout::section_list): New method.
6355         * merge.h (Output_merge_base::entsize): Change visibility to public.
6356         (Output_merge_base::is_string, Output_merge_base::do_is_string):
6357         New methods.
6358         (Output_merge_string::do_is_string): New method.
6359         * object.cc (Sized_relobj::do_setup): renamed from
6360         Sized_relobj::set_up.
6361         * object.h (Sized_relobj::adjust_shndx,
6362         Sized_relobj::initializ_input_to_output_maps,
6363         Sized_relobj::free_input_to_output_maps): Change visibilities to
6364         protected.
6365         (Sized_relobj::setup): Virtualize.
6366         (Sized_relobj::do_setup): New method declaration.
6367         (Sized_relobj::invalidate_section_offset,
6368         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
6369         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
6370         * options.cc (parse_int): New function.
6371         * options.h (parse_int): New declaration.
6372         (DEFINE_int): New macro.
6373         (stub_group_size): New option.
6374         * output.cc (Output_section::Output_section): Initialize memebers
6375         merge_section_map_, merge_section_by_properties_map_,
6376         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
6377         (Output_section::add_input_section): Handled deferred code-fill
6378         generation and remove an old comment.
6379         (Output_section::add_relaxed_input_section): New method definition.
6380         (Output_section::add_merge_input_section): Use merge section by
6381         properties map to speed to search.  Update merge section maps
6382         as appropriate.
6383         (Output_section::build_relaxation_map): New method definition.
6384         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6385         Same.
6386         (Output_section::relax_input_section): Renamed to
6387         Output_section::convert_input_sections_to_relaxed_sections and change
6388         interface to take a vector of pointers to relaxed sections.
6389         (Output_section::find_merge_section,
6390         Output_section::find_relaxed_input_section): New method definitions.
6391         (Output_section::is_input_address_mapped,
6392         Output_section::output_offset, Output_section::output_address):
6393         Use output section data maps to speed up searching.
6394         (Output_section::find_starting_output_address): Add comments.
6395         (Output_section::do_write,
6396         Output_section::write_to_postprocessing_buffer): Do code-fill
6397         generation as appropriate.
6398         (Output_section::get_input_sections): Invalidate relaxed input section
6399         map.
6400         (Output_section::restore_states): Adjust type of checkpoint .
6401         Invalidate relaxed input section map.
6402         * output.h (Output_merge_base): New class declaration.
6403         (Input_section_specifier): New class defintion.
6404         (class Output_relaxed_input_section) Change base class to
6405         Output_section_data_build.
6406         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6407         base class initializer.
6408         (Output_section::add_relaxed_input_section): New method declaration.
6409         (Output_section::Input_section): Change visibility to protected.
6410         (Output_section::Input_section::relobj,
6411         Output_section::Input_section::shndx): Handle relaxed input sections.
6412         Output_section::input_sections) Change visibility to protected.  Also
6413         define overload to return a non-const pointer.
6414         (Output_section::Merge_section_properties): New class defintion.
6415         (Output_section::Merge_section_by_properties_map,
6416         Output_section::Output_section_data_by_input_section_map,
6417         Output_section::Relaxation_map): New types.
6418         (Output_section::relax_input_section): Rename method to
6419         Output_section::convert_input_sections_to_relaxed_sections and change
6420         interface to take a vector of relaxed section pointers.
6421         (Output_section::find_merge_section,
6422         Output_section::find_relaxed_input_section,
6423         Output_section::build_relaxation_map,
6424         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6425         New method declarations.
6426         (Output_section::merge_section_map_
6427         Output_section::merge_section_by_properties_map_,
6428         Output_section::relaxed_input_section_map_,
6429         Output_section::is_relaxed_input_section_map_valid_,
6430         Output_section::generate_code_fills_at_write_): New data members.
6431         * script-sections.cc
6432         (Output_section_element_input::set_section_addresses): Call
6433         current_data_size and addralign methods of relaxed input sections.
6434         (Orphan_output_section::set_section_addresses): Call current_data_size
6435         and addralign methods of relaxed input sections.
6436         * symtab.cc (Symbol_table::compute_final_value): Extract template
6437         from the body of Symbol_table::sized_finalize_symbol.
6438         (Symbol_table::sized_finalized_symbol): Call
6439         Symbol_table::compute_final_value.
6440         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6441         (Symbol_table::compute_final_value): New templated method declaration.
6442         * target.cc (Target::do_make_output_section): New method defintion.
6443         * target.h (Target::make_output_section): New method declaration.
6444         (Target::relax): Add more parameters for input objects, symbol table
6445         and layout.  Adjust call to do_relax.
6446         (Target::do_make_output_section): New method declaration.
6447         (Target::do_relax): Add parameters for input objects, symbol table
6448         and layout.
6449
6450 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6451
6452         * pread.c: Include stdio.h.
6453
6454 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6455
6456         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6457         defined.
6458
6459 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6460
6461         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6462         Change read_shndx type to unsigned int.
6463         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6464         int.
6465         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6466         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6467         Change read_shndx type to unsigned int.
6468         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6469         int.
6470         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6471         * layout.cc (Layout::create_symtab_sections): Cast the result of
6472         local_symcount * symsize to off_t in the gold_assert.
6473
6474 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6475
6476         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6477         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6478         R_ARM_BASE_ABS.
6479         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6480         (Arm_relocate_functions::thm_abs5): New function.
6481         (Arm_relocate_functions::abs12): New function.
6482         (Arm_relocate_functions::abs16): New function.
6483         (Arm_relocate_functions::base_abs): New function.
6484         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6485         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6486         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6487         R_ARM_BASE_ABS.
6488         (Scan::global): Likewise.
6489         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6490         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6491         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6492         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6493         R_ARM_BASE_ABS.
6494
6495 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6496
6497         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6498         (Arm_relocate_functions::movt_prel): New function.
6499         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6500         (Arm_relocate_functions::thm_movt_prel): New function.
6501         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6502         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6503         (Scan::global, Relocate::relocate): Likewise.
6504         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6505
6506 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6507
6508         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6509         Incremental_checker.
6510         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6511         unsigned int.
6512         (class Incremental_inputs_header): New class.
6513         (Incremental_inputs_header_writer): Edit comment.
6514         (Incremental_inputs_entry): New class.
6515         (Incremental_inputs_entry_writer): Edit comment.
6516         (Sized_incremental_binary::do_find_incremental_inputs_section):
6517         Add *strtab_shndx parameter, fill it.
6518         (Sized_incremental_binary::do_check_inputs): New method.
6519         (Incremental_checker::can_incrementally_link_output_file): Use
6520         Sized_incremental_binary::check_inputs.
6521         (Incremental_inputs::report_command_line): Save command line in
6522         command_line_.
6523         * incremental.h:
6524         (Incremental_binary::find_incremental_inputs_section): New
6525         method.
6526         (Incremental_binary::do_find_incremental_inputs_section): Add
6527         strtab_shndx parameter.
6528         (Incremental_binary::do_check_inputs): New pure virtual method.
6529         (Sized_incremental_binary::do_check_inputs): Declare.
6530         (Incremental_checker::Incremental_checker): Add incremental_inputs
6531         parameter, use it to initialize incremental_inputs_.
6532         (Incremental_checker::incremental_inputs_): New field.
6533         (Incremental_checker::command_line): New method.
6534         (Incremental_checker::inputs): New method.
6535         (Incremental_checker::command_line_): New field.
6536
6537 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6538
6539         * incremental.cc: Include <cstdarg> and "target-select.h".
6540         (vexplain_no_incremental): New function.
6541         (explain_no_incremental): New function.
6542         (Incremental_binary::error): New method.
6543         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6544         method.
6545         (make_sized_incremental_binary): New function.
6546         (open_incremental_binary): New function.
6547         (can_incrementally_link_file): Add checks if output is ELF and has
6548         inputs section.
6549         * incremental.h: Include "elfcpp_file.h" and "output.h".
6550         (Incremental_binary): New class.
6551         (Sized_incremental_binary): New class.
6552         (open_incremental_binary): Declare.
6553         * object.cc (is_elf_object): Use
6554         elfcpp::Elf_recognizer::is_elf_file.
6555         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6556         * output.h (Output_file::filesize): New method.
6557
6558 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6559
6560         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6561         New function.
6562         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6563         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6564         function.
6565         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6566         function.
6567         (Arm_relocate_functions::movw_abs_nc): New function.
6568         (Arm_relocate_functions::movt_abs): New function.
6569         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6570         (Arm_relocate_functions::thm_movt_abs): New function.
6571         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6572         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6573         (Scan::global): Likewise.
6574         (Relocate::relocate): Likewise.
6575         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6576
6577 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6578
6579         * arm.cc (Arm_relocate_functions::got_prel) New function.
6580         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6581         (Relocate::relocate): Likewise.
6582         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6583
6584 2009-10-06  Ian Lance Taylor  <iant@google.com>
6585
6586         * options.h (class General_options): Define
6587         split_stack_adjust_size parameter.
6588         * object.h (class Object): Add uses_split_stack_ and
6589         has_no_split_stack_ fields.  Add uses_split_stack and
6590         has_no_split_stack accessor functions.  Declare
6591         handle_split_stack_section.
6592         (class Reloc_symbol_changes): Define.
6593         (class Sized_relobj): Define Function_offsets.  Declare
6594         split_stack_adjust, split_stack_adjust_reltype, and
6595         find_functions.
6596         * object.cc (Object::handle_split_stack_section): New function.
6597         (Sized_relobj::do_layout): Call handle_split_stack_section.
6598         * dynobj.cc (Sized_dynobj::do_layout): Call
6599         handle_split_stack_section.
6600         * reloc.cc (Sized_relobj::relocate_sections): Call
6601         split_stack_adjust for executable sections in split_stack
6602         objects.  Pass reloc_map to relocate_section.
6603         (Sized_relobj::split_stack_adjust): New function.
6604         (Sized_relobj::split_stack_adjust_reltype): New function.
6605         (Sized_relobj::find_functions): New function.
6606         * target-reloc.h: Include "object.h".
6607         (relocate_section): Add reloc_symbol_changes parameter.  Change
6608         all callers.
6609         * target.h (class Target): Add calls_non_split method.  Declare
6610         do_calls_non_split virtual method.  Declare match_view and
6611         set_view_to_nop.
6612         * target.cc: Include "elfcpp.h".
6613         (Target::do_calls_non_split): New function.
6614         (Target::match_view): New function.
6615         (Target::set_view_to_nop): New function.
6616         * gold.cc (queue_middle_tasks): Give an error if mixing
6617         split-stack and non-split-stack objects with -r.
6618         * i386.cc (Target_i386::relocate_section): Add
6619         reloc_symbol_changes parameter.
6620         (Target_i386::do_calls_non_split): New function.
6621         * x86_64.cc (Target_x86_64::relocate_section): Add
6622         reloc_symbol_changes parameter.
6623         (Target_x86_64::do_calls_non_split): New function.
6624         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6625         parameter.
6626         * powerpc.cc (Target_powerpc::relocate_section): Add
6627         reloc_symbol_changes parameter.
6628         * sparc.cc (Target_sparc::relocate_section): Add
6629         reloc_symbol_changes parameter.
6630         * configure.ac: Call AM_CONDITIONAL for the default target.
6631         * configure: Rebuild.
6632         * testsuite/Makefile.am (TEST_AS): New variable.
6633         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6634         (check_DATA): Add split_i386 and split_x86_64 files.
6635         (SPLIT_DEFSYMS): Define.
6636         (split_i386_[1234n].o): New targets.
6637         (split_i386_[124]): New targets.
6638         (split_i386_[1234r].stdout): New targets.
6639         (split_x86_64_[1234n].o): New targets.
6640         (split_x86_64_[124]): New targets.
6641         (split_x86_64_[1234r].stdout): New targets.
6642         (MOSTLYCLEANFILES): Add new executables.
6643         * testsuite/split_i386.sh: New file.
6644         * testsuite/split_x86_64.sh: New file.
6645         * testsuite/split_i386_1.s: New file.
6646         * testsuite/split_i386_2.s: New file.
6647         * testsuite/split_i386_3.s: New file.
6648         * testsuite/split_i386_4.s: New file.
6649         * testsuite/split_i386_n.s: New file.
6650         * testsuite/split_x86_64_1.s: New file.
6651         * testsuite/split_x86_64_2.s: New file.
6652         * testsuite/split_x86_64_3.s: New file.
6653         * testsuite/split_x86_64_4.s: New file.
6654         * testsuite/split_x86_64_n.s: New file.
6655         * testsuite/testfile.cc (Target_test): Update relocation_section
6656         function.
6657         * testsuite/Makefile.in: Rebuild.
6658
6659 2009-10-06  Ian Lance Taylor  <iant@google.com>
6660
6661         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6662         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6663         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6664         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6665         the address on ldo_addrs_.
6666         (Target_i386::Relocate::fix_up_ldo): New function.
6667
6668 2009-10-06   Rafael Espindola  <espindola@google.com>
6669
6670         * plugin.cc (add_input_library): New.
6671         (Plugin::load): Add add_input_library to tv.
6672         (Plugin_manager::add_input_file): Add the is_lib argument.
6673         (add_input_file): Update call to Plugin_manager::add_input_file.
6674         (add_input_library): New.
6675         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6676
6677 2009-09-30  Doug Kwan  <dougkwan@google.com>
6678
6679         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6680         symbol and call Symbol::may_need_copy_reloc to determine if
6681         a copy reloc is needed.
6682         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6683         nocopyreloc is given in command line.
6684         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6685         given in command line.
6686         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6687         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6688         of the removed Target_i386::may_need_copy_reloc.
6689         * options.h (copyreloc): New option with default value false.
6690         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6691         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6692         instead of the removed Target_powerpc::may_need_copy_reloc.
6693         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6694         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6695         instead of the removed Target_sparc::may_need_copy_reloc.
6696         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6697         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6698         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6699         instead of the removed Target_x86_64::may_need_copy_reloc.
6700
6701 2009-09-30  Ian Lance Taylor  <iant@google.com>
6702
6703         * object.h (class Object): Remove target_ field, and target,
6704         sized_target, and set_target methods.
6705         (Object::sized_target): Remove.
6706         (class Sized_relobj): Update declarations.  Remove sized_target.
6707         * object.cc (Sized_relobj::setup): Remove target parameter.
6708         Change all callers.
6709         (Input_objects::add_object): Don't do anything with the target.
6710         (make_elf_sized_object): Add punconfigured parameter.  Change all
6711         callers.  Set or test parameter target.
6712         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6713         Change all callers.
6714         * parameters.cc (Parameters::set_target): Change parameter type to
6715         be non-const.
6716         (Parameters::default_target): Remove.
6717         (set_parameters_target): Change parameter type to be non-const.
6718         (parameters_force_valid_target): New function.
6719         (parameters_clear_target): New function.
6720         * parameters.h (class Parameters): Update declarations.  Remove
6721         default_target method.  Add sized_target and clear_target
6722         methods.  Change target_ to be non-const.
6723         (set_parameters_target): Update declaration.
6724         (parameters_force_valid_target): Declare.
6725         (parameters_clear_target): Declare.
6726         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
6727         as NULL if we aren't searching.
6728         (Add_symbols::run): Don't check for compatible target.
6729         * fileread.cc (Input_file::open_binary): Call
6730         parameters_force_valid_target.
6731         * gold.cc (queue_middle_tasks): Likewise.
6732         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
6733         set_target on object.
6734         * dynobj.h (class Sized_dynobj): Update declarations.
6735         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
6736         make_elf_object returns NULL.
6737         (Archive::include_member): Don't check whether object target is
6738         compatible.
6739         * output.cc (Output_section::add_input_section): Get target from
6740         parameters.
6741         (Output_section::relax_input_section): Likewise.
6742         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
6743         parameters.
6744         (Sized_relobj::do_scan_relocs): Likewise.
6745         (Sized_relobj::relocate_sections): Likewise.
6746         * resolve.cc (Symbol_table::resolve): Likewise.
6747         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
6748         parameter.  Change all callers.
6749         (Symbol_table::add_from_object): Get target from parameters.
6750         (Symbol_table::add_from_relobj): Don't check object target.
6751         (Symbol_table::add_from_dynobj): Likewise.
6752         (Symbol_table::define_special_symbol): Get target from
6753         parameters.
6754         * symtab.h (class Symbol_table): Update declaration.
6755         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
6756         parameter.  Change all callers.  Clear parameter target.
6757         (Binary_test): Test target here.
6758         * testsuite/object_unittest.cc (gold_testsuite): Remove
6759         target_test_pointer parameter.  Change all callers.
6760         (Object_test): Test target here.
6761
6762 2009-09-26  Ian Lance Taylor  <iant@google.com>
6763
6764         * testsuite/initpri1.c: Don't try to use constructor priorities if
6765         compiling with gcc before 4.3.
6766
6767 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
6768
6769         * testsuite/retain_symbols_file_test.sh (check_present): Change
6770         output file name to retain_symbols_file_test.stdout.
6771         (check_absent): Likewise.
6772
6773 2009-09-18  Craig Silverstein  <csilvers@google.com>
6774
6775         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
6776         * options.cc: Include <cerrno> and <fstream>.
6777         (General_options::finalize): Parse -retain-symbols-file tag.
6778         * options.h: New flag.
6779         (General_options): New method should_retain_symbol, new
6780         variable symbols_to_retain.
6781         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
6782         should_retain_symbol map.
6783         * testsuite/Makefile.am (retain_symbols_file_test): New test.
6784         * testsuite/Makefile.in: Regenerate.
6785         * testsuite/retain_symbols_file_test.sh: New file.
6786
6787 2009-09-18  Nick Clifton  <nickc@redhat.com>
6788
6789         * po/es.po: Updated Spanish translation.
6790
6791 2009-09-17  Doug Kwan  <dougkwan@google.com>
6792
6793         * debug.h (DEBUG_RELAXATION): New constant.
6794         (DEBUG_ALL): Add DEBUG_RELAXATION.
6795         (debug_string_to_enum): Add relaxation debug option.
6796         * layout.cc
6797         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
6798         Layout::Relaxation_debug_check::read_sections,
6799         Layout::Relaxation_debug_check::read_sections): New method definitions.
6800         (Layout::Layout): Initialize data members
6801         record_output_section_data_from_scrips_,
6802         script_output_section_data_list_ and relaxation_debug_check_.
6803         (Layout::save_segments, Layout::restore_segments,
6804         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6805         Layout::relaxation_loop_body): New method definitions.
6806         (Layout::finalize): Support relaxation.  Move section layout code to
6807         Layout::relaxation_loop_body.
6808         (Layout::set_asection_address_from_script): Move code for orphan
6809         section placement out.
6810         (Layout::place_orphan_sections_in_script): New method definition.
6811         * layout.h (Output_segment_headers, Output_file_header):
6812         New forward class declarations.
6813         (Layout::~Layout): Define.
6814         (Layout::new_output_section_data_from_script): New method definition.
6815         (Layout::place_orphan_sections_in_script): New method declaration.
6816         (Layout::Segment_states): New type declaration.
6817         (Layout::save_segments, Layout::restore_segments,
6818         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6819         Layout::relaxation_loop_body): New method declarations.
6820         (Layout::Output_section_data_list): New type declaration.
6821         (Layout::Relaxation_debug_check): New class definition.
6822         (Layout::record_output_section_data_from_script_,
6823         Layout::script_output_section_data_list_, Layout::segment_states_,
6824         Layout::relaxation_debug_check_): New data members.
6825         * output.cc: (Output_section_headers::do_size): New method definition.
6826         (Output_section_headers::Output_section_headers): Move size
6827         computation to Output_section_headers::do_size.
6828         (Output_segment_headers::do_size): New method definition.
6829         (Output_file_header::Output_file_header): Move size computation to
6830         Output_file_header::do_size and call it.
6831         (Output_file_header::do_size): New method definition.
6832         (Output_data_group::Output_data_group): Adjust call to
6833         Output_section_data.
6834         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
6835         (Output_symtab_xindex::do_write): Add array bound check.
6836         (Output_section::Input_section::print_to_mapfile): Handle
6837         RELAXED_INPUT_SECTION_CODE.
6838         (Output_section::Output_section): Initialize data member checkpoint_.
6839         (Output_section::~Output_section): Delete checkpoint object pointed
6840         by checkpoint_.
6841         (Output_section::add_input_section): Always add an Input_section if
6842         relaxing.
6843         (Output_section::add_merge_input_section): Add assert.
6844         (Output_section::relax_input_section): New method definition.
6845         (Output_section::set_final_data_size): Set load address to zero for
6846         an unallocated section.
6847         (Output_section::do_address_and_file_offset_have_reset_values):
6848         New method definition.
6849         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
6850         Handle relaxed input section.
6851         (Output_section::sort_attached_input_sections): Checkpoint input
6852         section list lazily.
6853         (Output_section::get_input_sections): Change type of input_sections to
6854         list of Simple_input_section pointers.  Checkpoint input section list
6855         lazily.  Also handle relaxed input sections.
6856         (Output_section::add_input_section_for_script): Take a reference to
6857         a Simple_input_section object instead of Relobj pointer and section
6858         index as parameter.  Handle relaxed input sections.
6859         (Output_section::save_states, Output_section::restore_states): New
6860         method definitions.
6861         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
6862         (Output_data::is_data_size_fixed): New method definition.
6863         (Output_data::reset_addresss_and_file_offset): Do not reset data size
6864         if it is fixed.
6865         (Output_data::address_and_file_offset_have_reset_values): New method
6866         definition.
6867         (Output_data::do_address_and_file_offset_have_reset_values): New method
6868         definition.
6869         (Output_data::set_data_size): Check that data size is not fixed.
6870         (Output_data::fix_data_size): New method definition.
6871         (Output_data::is_data_size_fixed_): New data member.
6872         (Output_section_headers::set_final_data_size): New method definition.
6873         (Output_section_headers::do_size): New method declaration.
6874         (Output_segment_headers::set_final_data_size): New method definition.
6875         (Output_segment_headers::do_size): New method declaration.
6876         (Output_file_header::set_final_data_size)::New method definition.
6877         (Output_file_header::do_size)::New method declaration.
6878         (Output_section_data::Output_section_data): Add new parameter
6879         is_data_size_fixed and use it to fix data size.
6880         (Output_data_const::Output_data_const): Adjust call to base class
6881         constructor and fix data size.
6882         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
6883         base class constructor and fix data size.
6884         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
6885         base class constructor and fix data size.
6886         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
6887         class constructor and fix data size.
6888         (Output_data_group::set_final_data_size): New method definition.
6889         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
6890         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
6891         class constructor and fix data size.
6892         (Output_relaxed_input_section): New class definition.
6893         (Output_section::Simple_input_section): New class definition.
6894         (Output_section::get_input_sections): Adjust parameter list.
6895         (Output_section::add_input_section_for_script): Same.
6896         (Output_section::save_states, Output_section::restore_states,
6897         Output_section::do_address_and_file_offset_have_reset_values,
6898         (Output_section::Input_section::Input_section): Handle
6899         RELAXED_INPUT_SECTION_CODE.  Add new overload for
6900         Output_relaxed_input_section.
6901         (Output_section::Input_section::is_input_section,
6902         Output_section::Input_section::set_output_section): Handle relaxed
6903         input section.
6904         (Output_section::Input_section::is_relaxed_input_section,
6905         Output_section::Input_section::output_section_data,
6906         Output_section::Input_section::relaxed_input_section): New method
6907         definitions.
6908         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
6909         value.
6910         (Output_section::Input_section::u1_): Update comments.
6911         (Output_section::Input_section::u2_): Add new union member poris.
6912         (Output_section::Checkpoint_output_section): New classs definition.
6913         (Output_section::relax_input_section): New method declaration.
6914         (Output_section::checkpoint_): New data member.
6915         (Output_segment): Update comments.
6916         (Output_segment::Output_segment): Un-privatize copy constructor.
6917         (Output_segment::operator=): Un-privatize.
6918         * script-sections.cc (Output_section_element::Input_section_list):
6919         Change element type to Output_section::Simple_input_section.
6920         (Output_section_element_dot_assignment::set_section_addresses):
6921         Register output section data for relaxation clean up.
6922         (Output_data_exression::Output_data_expression): Adjust call to base
6923         constructor to fix data size.
6924         (Output_section_element_data::set_section_addresses): Register
6925         Output_data_expression object for relaxation clean up.
6926         (struct Input_section_info): Replace Relobj pointer and section index
6927         pair with Output_section::Simple_input_section and Convert struct to a
6928         class.
6929         (Input_section_sorter::operator()): Adjust access to
6930         Input_section_info data member to use accessors.
6931         (Output_section_element_input::set_section_addresses): Use layout
6932         parameter.  Adjust code to use Output_section::Simple_input_section
6933         and Input_secction_info classes.  Register filler for relaxation
6934         clean up.
6935         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
6936         and section index pair with Output_section::Simple_input_section
6937         class.  Adjust code accordingly.
6938         (Phdrs_element::release_segment): New method definition.
6939         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
6940         segment list.
6941         (Script_sections::release_segments): New method definition.
6942         * gold/script-sections.h (Script_sections::release_segments): New
6943         method declaration.
6944         * gold/target.h (Target::may_relax, Target::relax,
6945         Target::do_may_relax, Target::do_relax): New method definitions.
6946
6947 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6948
6949         * arm.cc (has_signed_unsigned_overflow): New function.
6950         (Arm_relocate_functions::abs8): New function.
6951         (Target_arm::Scan::local): Handle R_ARM_ABS8.
6952         (Target_arm::Scan::global): Likewise.
6953         (Target_arm::relocate::relocate): Likewise.
6954         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6955         Likewise.
6956
6957 2009-09-16  Cary Coutant  <ccoutant@google.com>
6958
6959         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
6960         * testsuite/Makefile.in: Regenerate.
6961
6962 2009-09-11  Nick Clifton  <nickc@redhat.com>
6963
6964         * po/gold.pot: Updated by the Translation project.
6965
6966 2009-09-08  Cary Coutant  <ccoutant@google.com>
6967
6968         * output.cc (Output_file::open): Add execute permission to empty file.
6969         * testsuite/Makefile.am (permission_test): New test.
6970         * testsuite/Makefile.in: Regenerate.
6971
6972 2009-09-02  Ian Lance Taylor  <iant@google.com>
6973
6974         * output.cc (Output_file::resize): Call map_no_anonymous rather
6975         than map.
6976
6977 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
6978
6979         * gold.cc: Include "incremental.h".
6980         (queue_initial_tasks): Call Incremental_checker methods.
6981         * incremental.cc: Include "output.h".
6982         (Incremental_checker::can_incrementally_link_output_file): New
6983         method.
6984         * incremental.h (Incremental_checker): New class.
6985
6986         * output.cc (Output_file::open_for_modification): New method.
6987         (Output_file::map_anonymous): Changed return type to bool.  Record
6988         map in base_ field.
6989         (Output_file::map_no_anonymous): New method, broken out of map.
6990         (Output_file::map): Use map_no_anonymous and map_anonymous.
6991         * output.h (class Output_file): Update declarations.
6992
6993 2009-08-24  Cary Coutant  <ccoutant@google.com>
6994
6995         * options.h (Command_line::Pre_options): New class.
6996         (Command_line::pre_options): New member.
6997         * options.cc (gold::options::ready_to_register): New variable.
6998         (One_option::register_option): Do nothing if not registering options.
6999         Assert if same short option registered twice.
7000         (General_options::General_options): Turn off option registration when
7001         done constructing.
7002         (Command_line::Pre_options::Pre_options): New constructor.
7003
7004 2009-08-24  Cary Coutant  <ccoutant@google.com>
7005
7006         * options.h (General_options::no_keep_memory): Remove incorrect
7007         short option.
7008
7009 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7010
7011         * Makefile.am (am__skiplex, am__skipyacc): New.
7012         * Makefile.in: Regenerate.
7013
7014 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7015
7016         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7017         (INCLUDES): ... this.
7018         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7019         (AM_CPPFLAGS): Renamed from ...
7020         (INCLUDE): ... this.
7021         * Makefile.in, testsuite/Makefile.in: Regenerate.
7022
7023         * Makefile.in: Regenerate.
7024         * aclocal.m4: Likewise.
7025         * config.in: Likewise.
7026         * configure: Likewise.
7027         * testsuite/Makefile.in: Likewise.
7028
7029         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7030         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7031         * Makefile.in: Regenerate.
7032         * testsuite/Makefile.in: Regenerate.
7033
7034 2009-08-19  Cary Coutant  <ccoutant@google.com>
7035
7036         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7037         symbols in shared libraries overridden by hidden or internal symbols
7038         in the main program.
7039
7040 2009-08-19  Chris Demetriou  <cgd@google.com>
7041
7042         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7043         checking source file names in error messages.
7044
7045 2009-08-18  Doug Kwan  <dougkwan@google.com>
7046
7047         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7048         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7049         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7050         an elfcpp::Ehdr as parameter.
7051         * object.cc (Object::set_target): Remove the version that looks up
7052         a target and sets it.
7053         (Sized_relobj::setup): Take a Target object instead of
7054         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7055         (make_elf_sized_object): Find target and ask target to
7056         make an ELF object.
7057         * object.h: (Object::set_target): Remove the version that looks up
7058         a target and sets it.
7059         (Sized_relobj::setup): Take a Target object instead of
7060         an elfcpp:Ehdr as parameter.
7061         * target.cc: Include dynobj.h.
7062         (Target::do_make_elf_object_implementation): New.
7063         (Target::do_make_elf_object): New.
7064         * target.h (Target::make_elf_object): New template declaration.
7065         (Target::do_make_elf_object): New method declarations.
7066         (Target::do_make_elf_object_implementation): New template declaration.
7067
7068 2009-08-14  Ian Lance Taylor  <iant@google.com>
7069
7070         * gold.h (FUNCTION_NAME): Define.
7071         (gold_unreachable): Use FUNCTION_NAME.
7072
7073 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7074
7075         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7076         symbol in the --keep-unique list is not found.
7077
7078 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7079
7080         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7081         been maked as --keep-unique.
7082         (Icf::unfold_section): New function.
7083         * icf.h (Icf::unfold_section): New function.
7084         * options.h (General_options::keep_unique): New option.
7085         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7086         * testsuite/Makefile.in: Regenerate.
7087         * testsuite/icf_keep_unique_test.sh: New file.
7088         * testsuite/icf_keep_unique_test.cc: New file.
7089
7090 2009-08-12  Cary Coutant  <ccoutant@google.com>
7091
7092         PR 10471
7093         * resolve.cc (Symbol_table::resolve): Check for references from
7094         dynamic objects to hidden and internal symbols.
7095         * testsuite/Makefile.am (hidden_test.sh): New test.
7096         * testsuite/Makefile.in: Regenerate.
7097         * testsuite/hidden_test.sh: New script.
7098         * testsuite/hidden_test_1.c: New test source.
7099         * testsuite/hidden_test_main.c: New test source.
7100
7101 2009-08-11  Doug Kwan  <dougkwan@google.com>
7102
7103         * arm.cc: Update comments.
7104         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7105         segment to locate the .ARM.exidx section if present.
7106
7107 2009-08-09  Doug Kwan  <dougkwan@google.com>
7108
7109         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7110         patch.
7111
7112 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7113         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7114         compiler warnings.
7115
7116 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7117
7118         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7119         valid tls_segment only for non-debug-section relocations.
7120         * testsuite/Makefile.am: Add gc_tls_test.
7121         * testsuite/Makefile.in: Regenerate.
7122         * testsuite/gc_tls_test.cc: New file.
7123         * testsuite/gc_tls_test.sh: New file.
7124
7125 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7126
7127         * icf.cc: New file.
7128         * icf.h: New file.
7129         * Makefile.am (CCFILES): Add icf.cc.
7130         (HFILES): Add icf.h
7131         * Makefile.in: Regenerate.
7132         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7133         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7134         section, symbol and addend information for the relocs.
7135         * gold.cc (queue_middle_tasks): Call identical code folding.
7136         * gold.h: Add defines for multimap.
7137         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7138         to the call of finalize_local_symbols.
7139         * main.cc (main): Create object of class Icf.
7140         * object.cc (Sized_relobj::do_layout): Allow this function to be
7141         called twice during icf.
7142         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7143         to sections marked as identical by icf.
7144         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7145         when available.
7146         (Sized_relobj::do_section_entsize): New function.
7147         * object.h (Object::section_entsize): New function.
7148         (Object::do_section_entsize): New pure virtual function.
7149         (Relobj::finalize_local_symbols): Add new parameter.
7150         (Relobj::do_section_entsize): New function.
7151         * options.h (General_options::icf): New option.
7152         (General_options::icf_iterations): New option.
7153         (General_options::print_icf_sections): New option.
7154         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7155         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7156         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7157         icf.
7158         * symtab.cc (Symbol_table::is_section_folded): New function.
7159         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7160         to sections marked as identical by icf.
7161         * symtab.h (Symbol_table::set_icf): New function.
7162         (Symbol_table::icf): New function.
7163         (Symbol_table::is_section_folded): New function.
7164         (Symbol_table::icf_): New data member.
7165         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7166         * testsuite/Makefile.am: Add commands to build icf_test.
7167         * testsuite/Makefile.in: Regenerate.
7168         * testsuite/icf_test.sh: New file.
7169         * testsuite/icf_test.cc: New file.
7170
7171 2009-07-24  Chris Demetriou  <cgd@google.com>
7172
7173         * layout.cc (is_compressible_debug_section): Fix incorrect
7174         comment about compressed section names.
7175
7176 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7177
7178         PR 10419
7179         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7180
7181 2009-07-16  Ian Lance Taylor  <iant@google.com>
7182
7183         PR 10400
7184         * layout.h: #include <map>.
7185         (class Kept_section): Change from struct to class.  Add accessors
7186         and setters.  Add section size to Comdat_group mapping.  Change
7187         Comdat_group to std::map.  Add is_comdat_ field.  Add
7188         linkonce_size field in union.
7189         (class Layout): Update declaration of find_or_add_kept_section.
7190         Don't declare find_kept_object.
7191         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7192         parameter.  Add object, shndx, is_comdat, and is_group_name
7193         parameters.  Change all callers.  Adjust for new Kept_section.
7194         (Layout::find_kept_object): Remove.
7195         * object.cc (Sized_relobj::include_section_group): Update use of
7196         Kept_section.  Rename secnum to shndx.  Only record
7197         Kept_comdat_section if sections are the same size.
7198         (Sized_relobj::include_linkonce_section): Update use of
7199         Kept_section.  Only record Kept_comdat_section if sections are the
7200         same size.  Set size of linkonce section.
7201         (Sized_relobj::map_to_kept_section): Update call to
7202         get_kept_comdat_section.
7203         * object.h (class Sized_relobj): Rename fields in
7204         Kept_comdat_section to drop trailing underscores; change object
7205         field to Relobj*.  Change Kept_comdat_section_table to store
7206         struct rather than pointer.
7207         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7208         Add kept_object and kept_shndx parameters.  Change all callers.
7209         (Sized_relobj::get_kept_comdat_section): Change return type to
7210         bool.  Add kept_object and kept_shndx parameters.  Change all
7211         callers.
7212         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7213         Layout::find_or_add_kept_section.
7214
7215 2009-07-09  Ian Lance Taylor  <iant@google.com>
7216
7217         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7218         Reserve space in the hash table.
7219
7220 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7221
7222         * fileread.cc (File_read::get_mtime): New method.
7223         * fileread.h (Timespec): New structure.
7224         (File_read::get_mtime): New method.
7225         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7226         Renamed from timestamp_nsec.
7227         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7228         Elf_Xword.
7229         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7230         timestamp_nsec.
7231         (Incremental_inputs::report_archive): Save mtime; style fix.
7232         (Incremental_inputs::report_obejct): Save mtime; style fix.
7233         (Incremental_inputs::report_script): Save mtime; style fix.
7234         (Incremental_inputs::finalize_inputs): Style fix.
7235         (Incremental_inputs::finalize): Style fix.
7236         (Incremental_inputs::create_input_section_data): Store inputs
7237         mtime.
7238         * incremental.h (Incremental_inputs::report_script): Add mtime
7239         argument.
7240         (Incremental_inputs::Input_info::Input_info): Intialize only one
7241         union member.
7242         (Incremental_inputs::Input_info::archive): Move to nameless
7243         union.
7244         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7245         (Incremental_inputs::Input_info::script): Move to nameless union.
7246         (Incremental_inputs::mtime): New field.
7247         * script.cc (read_input_script): Pass file mtime to
7248         Incremental_input.
7249         * script.h (Script_info::inputs): Style fix.
7250
7251 2009-07-01  Ian Lance Taylor  <ian@airs.com>
7252
7253         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
7254         instead of 32.
7255
7256 2009-06-24  Ian Lance Taylor  <iant@google.com>
7257
7258         PR 10156
7259         * layout.cc (Layout::choose_output_section): If we find an
7260         existing section, update the flags.
7261         (Layout::create_notes): New function, broken out of
7262         Layout::finalize.
7263         (Layout::finalize): Don't create note sections.
7264         (Layout::create_note): Don't crash if linker script discards
7265         section.
7266         (Layout::create_gold_note): Likewise.
7267         (Layout::create_build_id): Likewise.  Don't set
7268         after_input_sections on the section.
7269         (Layout::create_executable_stack_info): Remove target parameter.
7270         Change caller.
7271         * layout.h (class Layout): Declare create_notes.  Update
7272         declaration of create_executable_stack_info.
7273         * gold.cc (queue_middle_tasks): Call create_notes.
7274         * output.cc (Output_section::update_flags_for_input_section): Move
7275         here from output.h.  If SHF_ALLOC flag is newly set, mark address
7276         invalid.
7277         * output.h (Output_data::mark_address_invalid): New function.
7278         (class Output_section): Only declare, not define,
7279         update_flags_for_input_section.  Remove set_flags.
7280
7281 2009-06-24  Ian Lance Taylor  <iant@google.com>
7282
7283         * script-sections.cc (Output_section_definition::
7284         set_section_addresses): Rename shadowing local load_address to
7285         laddr.
7286
7287 2009-06-24  Ian Lance Taylor  <iant@google.com>
7288
7289         PR 10244
7290         * reloc.cc (relocate_sections): Skip empty relocation sections.
7291
7292 2009-06-23  Ian Lance Taylor  <iant@google.com>
7293
7294         PR 10156
7295         * layout.cc (Layout::create_note): Use choose_output_section
7296         rather than make_output_section.
7297
7298 2009-06-23  Ian Lance Taylor  <iant@google.com>
7299
7300         PR 10237
7301         * options.cc (General_options::parse_V): Set printed_version_.
7302         (General_options::General_options): Initialize printed_version_.
7303         * options.h (class General_options): Add printed_version_ field.
7304         * gold.cc (queue_initial_tasks): If there are no input files,
7305         don't give a fatal error if we printed the version information.
7306         (queue_middle_tasks): If using -r with a shared object, give a
7307         fatal error rather than an ordinary error.
7308
7309 2009-06-23  Ian Lance Taylor  <iant@google.com>
7310
7311         PR 10219
7312         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
7313         (Layout::make_output_section): Set have_stabstr_section_ if we see
7314         a .stab*str section.
7315         (Layout::finalize): Call link_stabs_sections.
7316         (Layout::link_stabs_sections): New file.
7317         * layout.h (class Layout): Add have_stabstr_section_ field.
7318         Declare link_stabs_sections.
7319
7320 2009-06-23  Doug Kwan  <dougkwan@google.com>
7321
7322         * Makefile.am (libgold_a_LIBADD): New.
7323         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
7324         * Makefile.in: Regenerate.
7325         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
7326         * configure: Regenerate.
7327         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
7328         * fileread.cc: Include sys/state.h
7329         * gold.h: Declare memmem and strndup if found missing.
7330         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
7331
7332 2009-06-23  Ian Lance Taylor  <iant@google.com>
7333
7334         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
7335         * configure: Rebuild.
7336
7337 2009-06-23  Ian Lance Taylor  <iant@google.com>
7338
7339         PR 10147
7340         * object.cc (Object::section_contents): Don't try to get a view if
7341         the section has length zero.
7342         (Object::handle_gnu_warning_section): If the section is empty, use
7343         the name of the section as the warning.
7344
7345 2009-06-23  Ian Lance Taylor  <iant@google.com>
7346
7347         PR 10133
7348         * stringpool.h (class Stringpool_template): Add optimize_ field.
7349         (Stringpool_template::set_optimize): New function.
7350         * stringpool.cc (Stringpool_template::Stringpool_template):
7351         Initialize optimize_ field.
7352         (Stringpool_template::set_string_offsets): Test local optimize
7353         fild rather than parameter.
7354         * layout.cc (Layout::Layout): Call set_optimize on the section
7355         name stringpool.
7356
7357 2009-06-22  Ian Lance Taylor  <iant@google.com>
7358
7359         PR 10030
7360         * yyscript.y: Parse TARGET.
7361         * script.cc (script_set_target): New function.
7362         * script-c.h (script_set_target): Declare.
7363         * options.cc (General_options::string_to_object_format): Rename
7364         from string_to_object_format in anonymous namespace.  Change
7365         callers.
7366         * options.h (class General_options): Declare
7367         string_to_object_format.
7368
7369 2009-06-22  Ian Lance Taylor  <iant@google.com>
7370
7371         * script-sections.cc (Script_sections::create_segments): Don't put
7372         program headers in a PT_LOAD segment if -n or -N.
7373
7374 2009-06-22  Ian Lance Taylor  <iant@google.com>
7375
7376         PR 10141
7377         * options.h (class General_options): Add -z lazy and -z now.  Sort
7378         -z options into alphabetical order.
7379         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
7380
7381 2009-06-21  Ian Lance Taylor  <iant@google.com>
7382
7383         * layout.cc (Layout::make_output_section): Call
7384         Target::new_output_section.
7385         (Layout::attach_allocated_section_to_segment): Put large section
7386         sections in a separate load segment with the large segment flag
7387         set.
7388         (Layout::segment_precedes): Sort large data segments after other
7389         load segments.
7390         (align_file_offset): New static function.
7391         (Layout::set_segment_offsets): Use align_file_offset.
7392         * output.h (class Output_section): Add is_small_section_ and
7393         is_large_section_ fields.
7394         (Output_section::is_small_section): New function.
7395         (Output_section::set_is_small_section):  New function.
7396         (Output_section::is_large_section): New function.
7397         (Output_section::set_is_large_section): New function.
7398         (Output_section::is_large_data_section): New function.
7399         (class Output_segment): Add is_large_data_segment_ field.
7400         (Output_segment::is_large_data_segment): New function.
7401         (Output_segment::set_is_large_data_segment): New function.
7402         * output.cc (Output_section::Output_section): Initialize new
7403         fields.
7404         (Output_segment::Output_segment): Likewise.
7405         (Output_segment::add_output_section): Add assertion that large
7406         data sections always go in large data segments.  Force small data
7407         sections to the end of the list of data sections.  Force small BSS
7408         sections to the start of the list of BSS sections.  For large BSS
7409         sections to the end of the list of BSS sections.
7410         * symtab.h (class Symbol): Declare is_common_shndx.
7411         (Symbol::is_defined): Check Symbol::is_common_shndx.
7412         (Symbol::is_common): Likewise.
7413         (class Symbol_table): Define enum Commons_section_type.  Update
7414         declarations.  Add small_commons_ and large_commons_ fields.
7415         * symtab.cc (Symbol::is_common_shndx): New function.
7416         (Symbol_table::Symbol_table): Initialize new fields.
7417         (Symbol_table::add_from_object): Put small and large common
7418         symbols in the right list.
7419         (Symbol_table::sized_finalized_symbol): Check
7420         Symbol::is_common_shndx.
7421         (Symbol_table::sized_write_globals): Likewise.
7422         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7423         common symbol lists.  Don't call do_allocate_commons_list if the
7424         list is empty.
7425         (Symbol_table::do_allocate_commons_list): Remove is_tls
7426         parameter.  Add comons_section_type parameter.  Change all
7427         callers.  Handle small and large common symbols.
7428         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7429         Symbol::is_common_shndx.
7430         * resolve.cc (symbol_to_bits): Likewise.
7431         * target.h (Target::small_common_shndx): New function.
7432         (Target::small_common_section_flags): New function.
7433         (Target::large_common_shndx): New function.
7434         (Target::large_common_section_flags): New function.
7435         (Target::new_output_section): New function.
7436         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7437         small_common_section_flags, and large_common_section_flags
7438         fields.
7439         (Target::do_new_output_section): New virtual function.
7440         * arm.cc (Target_arm::arm_info): Initialize new fields.
7441         * i386.cc (Target_i386::i386_info): Likewise.
7442         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7443         Likewise.
7444         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7445         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7446         (Target_x86_64::do_new_output_section): New function.
7447         * configure.ac: Define conditional MCMODEL_MEDIUM.
7448         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7449         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7450         (large_LDFLAGS): Define.
7451         * testsuite/large.c: New file.
7452         * testsuite/testfile.cc (Target_test::test_target_info):
7453         Initialize new fields.
7454         * configure, testsuite/Makefile.in: Rebuild.
7455
7456 2009-06-05  Doug Kwan  <dougkwan@google.com>
7457
7458         * Makefile.am (CCFILES): Add target.cc.
7459         * Makefile.in: Regenerate.
7460         * i386.cc (class Target_i386): Define new virtual method to
7461         override do_is_local_label_name in parent.
7462         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7463         local symbols if --discard-locals or -X is given.
7464         * options.h (class General_options): Declare new options
7465         '--discard-locals' and '-X' for discarding locals.
7466         * target.h (class Target): Define new methods is_local_label_name.
7467         Declare new virtual method do_is_local_label_name.
7468         * target.cc: New file.
7469         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7470         (check_SCRIPTS): Add discard_locals_test.sh.
7471         (check_DATA): Add discard_local_tests.syms.
7472         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7473         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7474         * testsuite/Makefile.in: Regenerate.
7475         * testsuite/discard_locals_test.c: New file.
7476         * testsuite/discard_locals_test.sh: Same.
7477
7478 2009-06-05  Doug Kwan  <dougkwan@google.com>
7479
7480         * object.cc (Sized_relobj::Sized_relobj): Initialize
7481         discarded_eh_frame_shndx_ to -1U.
7482         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7483         section.
7484         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7485         a discarded .eh_frame section.
7486         (Sized_relobj::do_finalize_local_symbols): Ditto.
7487         * object.h (class Sized_relobj): Declare new member
7488         discarded_eh_frame_shndx_.
7489         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7490         (local_labels_test.o, local_labels_test): New rules.
7491         * testsuite/Makefile.in: Regenerate.
7492
7493 2009-06-04  Doug Kwan  <dougkwan@google.com>
7494
7495         * layout.cc (Layout::section_name_mapping): Add mapping for
7496         special ARM sections.
7497
7498 2009-06-03  Doug Kwan  <dougkwan@google.com>
7499
7500         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7501         (utils::has_overflow): Same.
7502
7503 2009-06-03  Ian Lance Taylor  <iant@google.com>
7504
7505         * layout.cc (Layout::section_name_mapping): New array, replacing
7506         Layout::linkonce_mapping.
7507         (Layout::section_name_mapping_count): New variable, replacing
7508         Layout::linkonce_mapping_count.
7509         (Layout::linkonce_output_name): Remove.
7510         (Layout::output_section_name): Rewrite.
7511         * layout.h (class Layout): Rename Linkonce_mapping to
7512         Section_name_mapping, linkonce_mapping to section_name_mapping,
7513         linkonce_mapping_count to section_name_mapping_count.  Don't
7514         declare linkonce_output_name.
7515
7516 2009-06-03  Doug Kwan  <dougkwan@google.com>
7517
7518         * gold/arm.cc (namespace utils): New.
7519         (Target_arm::reloc_is_non_pic): Define new method.
7520         (class Arm_relocate_functions): New.
7521         (Target_arm::Relocate::relocate): Handle relocation types used by
7522         Android.
7523
7524 2009-06-03  Ian Lance Taylor  <iant@google.com>
7525
7526         * arm.cc (Target_arm::scan::global): Use || instead of |.
7527
7528 2009-06-02  Doug Kwan  <dougkwan@google.com>
7529
7530         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7531         issued_non_pic_error_.
7532         (class Target_arm::Scan): Declare new method check_non_pic.
7533         Define new method symbol_needs_plt_entry.
7534         Declare new data member issued_non_pic_error_.
7535         (class Target_arm::Relocate): Declare new method
7536         should_apply_static_reloc.
7537         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7538         (Target_arm::Scan::check_non_pic): Define new method.
7539         (Target_arm::Scan::local): Handle a small subset of reloc types used
7540         by Android.
7541         (Target_arm::Scan::local): Same.
7542         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7543
7544 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7545
7546         * incremental.cc (Incremental_inputs::report_command_line): Filter
7547         out --incremental-* options.
7548
7549 2009-05-29  Doug Kwan  <dougkwan@google.com>
7550
7551         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7552         template class.
7553         (class Target_arm): Update comment.
7554         (Target_arm::Target_arm): Initialize new data members GOT_,
7555         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7556         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7557         and Target_arm::rel_dyn_section.
7558         Declare new_enum Target_arm::Got_type.
7559         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7560         and DYNBSS_.
7561         Update commments for member do_dynsym_value.
7562         (Target_arm::got_size, Target_arm::plt_section,
7563         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7564         new methods inside class defintion.
7565         (Target_arm::got_section): Define new method.
7566         (Target_arm::rel_dyn_section): Same.
7567         (Output_data_plt_arm): New template class.
7568         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7569         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7570         (Output_data_plt_arm::add_entry): Same.
7571         (Output_data_plt_arm::first_plt_entry): Define new
7572         static data member for PLT instruction template.
7573         (Output_data_plt_arm::plt_entry): Same.
7574         (Output_data_plt_arm::do_write): Define new method.
7575         (Target_arm::make_plt_entry): Same.
7576         (Target_arm::do_finalize_sections): Same.
7577         (Target_arm::do_dynsym_value): Same.
7578
7579 2009-05-28  Doug Kwan  <dougkwan@google.com>
7580
7581         * Makefile.am (TARGETSOURCES): Add arm.cc.
7582         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7583         * Makefile.in: Regenerate.
7584         * arm.cc: New file.
7585         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7586
7587 2009-05-26  Doug Kwan  <dougkwan@google.com>
7588
7589         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7590         (General_options::check_excluded_libs): Strip off directories in
7591         archive name before matching like GNU ld does.
7592         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7593         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7594         (exclude_libs_test_LDFLAGS): Add linker option
7595         -Wl,--exclude-libs,libexclude_libs_test_3
7596         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7597         an explicit archive without using -l.
7598         (alt/libexclude_libs_test_3.a): New make rule.
7599         * testsuite/Makefile.in: Regenerate.
7600         * testsuite/exclude_libs_test.c : Declare lib3_default().
7601         (main): Call it.
7602         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7603         * exclude_libs_test_3.c: New file.
7604
7605 2009-05-26  Nick Clifton  <nickc@redhat.com>
7606
7607         * po/id.po: New Indonesian translation.
7608         * po/gold.pot: Updated template file.
7609
7610 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7611
7612         * testsuite/Makefile.am: Add -ffunction-sections to compile
7613         gc_comdat_test files.  Add -Wl,--gc-sections to build
7614         gc_comdat_test.
7615         * testsuite/Makefile.in: Regenerate.
7616         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7617
7618 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7619
7620         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7621         kept comdat section was garbage collected.
7622         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7623         * testsuite/Makefile.in: Regenerate.
7624         * testsuite/gc_comdat_test.sh: New file.
7625         * testsuite/gc_comdat_test_1.cc: New file.
7626         * testsuite/gc_comdat_test_2.cc: New file.
7627
7628 2009-05-19  Doug Kwan  <dougkwan@google.com>
7629
7630         * archive.cc (Archive::Archive): Move constructor from archive.h
7631         to here.  Initialize no_export_.
7632         (Archive::get_elf_object_for_member): Set no_export flag of object.
7633         * archive.h (Archive::Archive): Move constructor body to
7634         archive.cc.
7635         (Archive::no_export): New method.
7636         (Archive::no_export_): New field.
7637         * object.h (Object::Object): Initialize no_export_ to false.
7638         (Object::no_export, Object::set_no_export): New methods.
7639         (Object::no_export_): New field.
7640         * options.cc (General_options::parse_exclude_libs): New method.
7641         (General_options::check_excluded_libs) Same.
7642         * options.h (exclude_libs): New option.
7643         (General_options::check_excluded_libs): New method declaration.
7644         (General_options::excluded_libs_): New field.
7645         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7646         default or protected visibility if an object has no-export flag set.
7647         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7648         (check_SCRIPTS): Add exclude_libs_test.sh.
7649         (check_DATA): Add exclude_libs_test.syms.
7650         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7651         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7652         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7653         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7654         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7655         libexclude_libs_test_2.a): New rules.
7656         * testsuite/Makefile.in: Regenerate.
7657         * testsuite/exclude_libs_test.c: New file.
7658         * testsuite/exclude_libs_test.sh: Ditto.
7659         * testsuite/exclude_libs_test_1.c: Ditto.
7660         * testsuite/exclude_libs_test_2.c: Ditto.
7661
7662 2009-05-15  Ian Lance Taylor  <iant@google.com>
7663
7664         * configure.ac: Check for declarations for cases where libiberty.h
7665         checks HAVE_DECL_xxx.
7666         * configure, config.in: Rebuild.
7667
7668 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7669
7670         * gold.h (Incremental_argument_list): Remove (invalid) forward
7671         declaration.
7672         * incremental.cc (Incremental_inputs::report_achive): New method.
7673         (Incremental_inputs::report_object): New method.
7674         (Incremental_inputs::report_script): New method.
7675         (Incremental_inputs::finalize_inputs): New method.
7676         (Incremental_inputs::finalize): Call finalize_inputs().
7677         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7678         Create inputs entries.
7679         * incremental.h (Incremental_input_type): New enum.
7680         (Incremental_inputs::Incremental_input): Initialize new fields.
7681         (Incremental_inputs::report_inputs): New method.
7682         (Incremental_inputs::report_achive): New method.
7683         (Incremental_inputs::report_object): New method.
7684         (Incremental_inputs::report_script): New method.
7685         (Incremental_inputs::finalize_inputs): New method.
7686         (Incremental_inputs::Input_info): New struct.
7687         (Incremental_inputs::Input_info_map): New typedef.
7688         (Incremental_inputs::lock_): New field.
7689         (Incremental_inputs::Inputs_): New field.
7690         (Incremental_inputs::Inputs_map): New field.
7691         * main.cc (main): Call Incremental_input::report_inputs.
7692         * options.h (Input_argument_list): Typedef moved from
7693         Input_arguments.
7694         (Input_file_group::Files): Remove, use ::Input_argument_list.
7695         (Input_file_group::Input_argument_list): Remove, use
7696         ::Input_argument_list.
7697         * plugin.cc (Plugin_manager::add_input_file): Add error in
7698         incremental build.
7699         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7700         functions.
7701         * script.cc (read_input_script): Call
7702         Incremental_input::report_script.
7703         * script.h (Script_info): New class.
7704
7705 2009-04-27  Ian Lance Taylor  <iant@google.com>
7706
7707         * x86_64.cc (do_adjust_output_section): Set entsize to
7708         plt_entry_size.
7709
7710 2009-04-23  Elliott Hughes  <enh@google.com>
7711
7712         * output.cc (Output_file::close): After short writes, continue
7713         writing from the correct offset in the buffer being written.
7714
7715 2009-04-23  Chris Demetriou  <cgd@google.com>
7716
7717         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
7718         * configure: Regenerate.
7719         * config.in: Regenerate.
7720         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
7721         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
7722
7723 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
7724
7725         * incremental.cc (Incremental_inputs_header_data): Renamed from
7726         Incremental_input_header_data.
7727         (Incremental_inputs_header_data::data_size): New field.
7728         (Incremental_inputs_header_data::put_input_file_count): Renamed
7729         from input_file_count.
7730         (Incremental_inputs_header_data::put_command_line_offset): Renamed
7731         from command_line_offset.
7732         (Incremental_inputs_header_data::put_reserved): Renamed from
7733         put_reserved.
7734         (Incremental_inputs_entry_data): Renamed from
7735         Incremental_input_entry_data.
7736         (Incremental_inputs_entry_data::data_size): New field.
7737         (Incremental_inputs::report_command_line): New method.
7738         (Incremental_inputs::finalize): New method.
7739         (Incremental_inputs::create_incremental_inputs_data): New method.
7740         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
7741         * incremental.h: New file.
7742         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
7743        (Layout::finalize): Create incremental inputs section in
7744         incremental builds.
7745        (Layout::create_incremental_info_sections): New method.
7746         * layout.h (Layout::incremental_inputs): New method.
7747        (Layout::create_incremental_info_sections): New method.
7748        (Layout::incremental_inputs_): New field.
7749         * main.cc (main): Notify Incremental_input of the command line.
7750
7751 2009-04-01  Ian Lance Taylor  <iant@google.com>
7752             Mikolaj Zalewski  <mikolajz@google.com>
7753
7754         * gold.h (reserve_unordered_map): Define, three versions, one for
7755         each version of Unordered_map.
7756         * layout.cc (Layout::Layout): Remove options parameter.  Add
7757         number_of_input_files parameter.  Don't initialize options_.
7758         Initialize number_of_input_files_ and resized_signatures_.  Move
7759         sections_are_attached_.
7760         (Layout::layout_group): Reserve space for group_signatures_.
7761         (Layout::find_or_add_kept_section): Change name parameter to be a
7762         reference.  Resize signatures_ map when it gets large enough.
7763         (Layout::layout_eh_frame): Use parameters->options() instead of
7764         this->options_.
7765         (Layout::make_output_section): Likewise.
7766         (Layout::attach_allocated_section_to_segment): Likewise.
7767         (Layout::finalize, Layout::create_executable_stack): Likewise.
7768         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
7769         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
7770         * layout.h (class Layout): Update declarations.  Remove options_
7771         field.  Add number_of_input_files_ and resized_signatures_
7772         fields.  Move sections_are_attached_ field.
7773         * main.cc (main): Pass number of input files to Layout
7774         constructor.  Don't pass options.
7775
7776 2009-03-30  Ian Lance Taylor  <iant@google.com>
7777
7778         * ffsll.c (ffsll): Correct implementation.
7779
7780 2009-03-27  Ian Lance Taylor  <iant@google.com>
7781
7782         * ffsll.c: New file.
7783         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
7784         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
7785         * ftruncate.c (ftruncate): Declare before definition.
7786         * mremap.c (mremap): Likewise.
7787         * pread.c (pread): Likewise.
7788         * configure, Makefile.in, config.in: Rebuild.
7789
7790         * mremap.c: New file.
7791         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
7792         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
7793         (mremap): Declare if HAVE_MREMAP is not defined.
7794         * configure, Makefile.in, config.in: Rebuild.
7795
7796 2009-03-27  Cary Coutant  <ccoutant@google.com>
7797
7798         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
7799         position independent.
7800         * sparc.cc (Target_sparc::check_non_pic): Likewise.
7801         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
7802
7803 2009-03-24  Cary Coutant  <ccoutant@google.com>
7804
7805         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
7806         an executable.
7807         (needs_dynamic_reloc): Likewise.
7808
7809 2009-03-24  Ian Lance Taylor  <iant@google.com>
7810
7811         * yyscript.y (file_cmd): Recognize EXTERN.
7812         (extern_name_list, extern_name_list_body): New nonterminals.
7813         * script.cc (script_add_extern): Define.
7814         * script-c.h (script_add_extern): Declare.
7815
7816 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
7817
7818         * object.cc (is_elf_object): Define.
7819         * object.h (is_elf_object): Declare.
7820         * archive.cc (Archive::get_elf_object_for_member): Call
7821         is_elf_object.
7822         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
7823
7824 2009-03-24  Elliott Hughes  <enh@google.com>
7825
7826         * output.cc (Output_file::map_anonymous): Define.
7827         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
7828         try an anonymous one.  Report the size if the mmap fails.
7829         * output.h (class Output_file): Declare map_anonymous.
7830
7831 2009-03-24  Ian Lance Taylor  <iant@google.com>
7832
7833         * target-select.cc (instantiate_target): Don't acquire the lock if
7834         the instantiated_target_ field has already been set.
7835
7836 2009-03-23  Ian Lance Taylor  <iant@google.com>
7837
7838         * gold-threads.h (class Initialize_lock): Define.
7839         * gold-threads.cc (class Initialize_lock_once): Define.
7840         (initialize_lock_control): New static variable.
7841         (initialize_lock_pointer): New static variable.
7842         (initialize_lock_once): New static function.
7843         (Initialize_lock::Initialize_lock): Define.
7844         (Initialize_lock::initialize): Define.
7845         * target-select.h: Include "gold-threads.h".
7846         (class Target_selector): Add lock_ and initialize_lock_ fields.
7847         Don't define instantiate_target, just declare it.
7848         * target-select.cc (Target_selector::Target_selector): Initialize
7849         new fields.
7850         (Target_selector::instantiate_target): Define.
7851         * descriptors.h: Include "gold-threads.h".
7852         (class Descriptors): Add initialize_lock_ field.
7853         * descriptors.cc (Descriptors::Descriptors): Initialize new
7854         field.
7855         (Descriptors::open): Use initialize_lock_ field
7856         * errors.h (class Errors): Add initialize_lock_ field.
7857         * errors.cc (Errors::Errors): Initialize new field.
7858         (Errors::initialize_lock): Use initialize_lock_ field.
7859         * powerpc.cc (class Target_selector_powerpc): Remove
7860         instantiated_target_ field.  In do_recognize call
7861         instantiate_target rather than do_instantiate_target.  In
7862         do_instantiate_target just allocate a new target.
7863         * sparc.cc (class Target_selector_sparc): Likewise.
7864
7865         * freebsd.h: New file.
7866         * i386.cc: Include "freebsd.h".
7867         (Target_i386): Derive from Target_freebsd rather than
7868         Sized_target.
7869         (Target_selector_i386): Derive from Target_selector_freebsd rather
7870         than Target_selector.
7871         * x86_64.cc: Include "freebsd.h".
7872         (Target_x86_64): Derive from Target_freebsd rather than
7873         Sized_target.
7874         (Target_selector_x86_64): Derive from Target_selector_freebsd
7875         rather than Target_selector.
7876         * target.h (class Target): Add adjust_elf_header and
7877         do_adjust_elf_header.
7878         * output.cc (Output_file_header:: do_sized_write): Call target
7879         adjust_elf_header routine.
7880         * configure.tgt: Set targ_osabi.
7881         * configure.ac: Define GOLD_DEFAULT_OSABI.
7882         * parameters.cc (Parameters::default_target): Pass
7883         GOLD_DEFAULT_OSABI to select_target.
7884         * target-select.h (class Target_selector): Make instantiate_target
7885         protected rather than private.
7886         * Makefile.am (HFILES): Add freebsd.h.
7887         * configure, Makefile.in, config.in: Rebuild.
7888
7889         * merge.cc (do_add_input_section): Correct pend value.  Change
7890         message about last entry not being null terminated from error to
7891         warning.
7892
7893 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
7894
7895         * incremental.cc: New file.
7896         * Makefile.am (CCFILES): Add incremental.cc.
7897         * Makefile.in: Rebuild.
7898
7899 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
7900
7901         * layout.cc (Layout::output_section_name): Preserve names
7902         of '.note.' sections.
7903
7904 2009-03-19  Ian Lance Taylor  <iant@google.com>
7905
7906         * descriptors.cc (Descriptors::open): Check that the options are
7907         valid before using them.
7908
7909 2009-03-18  Ian Lance Taylor  <iant@google.com>
7910
7911         * script-sections.h: Include <list>.
7912         (class Script_sections): Change Sections_elements from std::vector
7913         to std::list.  Typedef public Elements_iterator.  Add
7914         orphan_section_placement_, data_segment_align_start_, and
7915         saw_data_segment_align_ fields.  Remove data_segment_align_index_
7916         field.
7917         * script-sections.cc (class Orphan_section_placement): New class.
7918         (class Sections_element): Add virtual functions is_relro and
7919         orphan_section_init.  Remove virtual function place_orphan_here.
7920         (class Output_section_definition): Add is_relro and
7921         orphan_section_init.  Remove place_orphan_here.
7922         (class Orphan_output_section): Likewise.
7923         (Script_sections::Script_sections): Update for field changes.
7924         (Script_sections::data_segment_align): Set saw_data_segment_align_
7925         and data_segment_align_start_, not data_segment_align_index.
7926         (Script_sections::data_segment_relro_end): Check
7927         saw_data_segment_align_.  Use data_segment_align_start_ rather
7928         than data_segment_align_index_.
7929         (Script_sections::place_orphan): Rewrite to use
7930         Orphan_section_placement.
7931
7932 2009-03-17  Ian Lance Taylor  <iant@google.com>
7933
7934         * archive.cc (Archive::add_symbols): Check for a version attached
7935         to the symbol name in the archive map.
7936         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
7937         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
7938         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
7939         (ver_test_11.a): New target.
7940         * testsuite/Makefile.in: Rebuild.
7941
7942         * configure.ac: Check for chsize and posix_fallocate.  Replace
7943         ftruncate.
7944         * ftruncate.c: New file, from gnulib.
7945         * output.cc (posix_fallocate): Define dummy version if not
7946         HAVE_POSIX_FALLOCATE.
7947         (Output_file::map): Call posix_fallocate rather than lseek and
7948         write.
7949         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
7950         * configure, Makefile.in, config.in: Rebuild.
7951
7952 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
7953
7954         * layout.h (Layout::create_note): Add section_name parameter.
7955         * layout.cc (Layout::create_note): Likewise.
7956         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
7957
7958 2009-03-17  Ian Lance Taylor  <iant@google.com>
7959
7960         * descriptors.cc: Include "options.h".
7961         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
7962         (Descriptors::open): Always use O_CLOEXEC when opening a new
7963         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
7964         then set FD_CLOEXEC.
7965
7966         * sparc.cc (class Target_sparc): Add has_got_section.
7967         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
7968         make sure we have a GOT section.
7969
7970         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
7971         (Target_sparc::Scan::local): Likewise.
7972         (Target_sparc::Scan::global): Likewise.
7973         (Target_sparc::Relocate::relocate): Likewise.
7974         (Target_sparc::Relocate::relocate_tls): Likewise.
7975
7976         * symtab.cc (Symbol_table::define_default_version): New function,
7977         broken out of add_from_object.
7978         (Symbol_table::add_from_object): Call define_default_version.
7979         (Symbol_table::define_special_symbol): Add resolve_oldsym
7980         parameter.  Change all callers.  If the version for a symbol comes
7981         from a version script, resolve it with the symbol with the same
7982         name with no version.  Also add the symbol without a version if
7983         appropriate.
7984         (do_define_in_output_data): If resolving with oldsym, don't delete
7985         sym.
7986         (do_define_in_output_segment): Likewise.
7987         (do_define_as_constant): Likewise.
7988         * symtab.h (class Symbol_table): Update declarations.
7989
7990 2009-03-13  Ian Lance Taylor  <iant@google.com>
7991
7992         * readsyms.cc (Read_symbols::incompatible_warning): New function.
7993         (Read_symbols::requeue): New function.
7994         (Read_symbols::do_read_symbols): If make_elf_object fails because
7995         the target type is not configured, and the file was searched for,
7996         issue a warning and retry with the next directory.
7997         (Add_symbols::run): If the file has an incompatible format, and
7998         it was searched for, requeue the Read_symbols task.  On error,
7999         release the object.
8000         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8001         dirindex parameter to constructor.  Change all callers.  Declare
8002         incompatible_warning and requeue.
8003         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8004         input_argument_ and input_group_ fields.  Add them to
8005         constructor.  Change all callers.
8006         (class Read_script): Add dirindex_ field.  Add it to constructor.
8007         Change all callers.
8008         * archive.cc (Archive::setup): Remove input_objects parameter.
8009         Change all callers.
8010         (Archive::get_file_and_offset): Likewise.
8011         (Archive::read_all_symbols): Likewise.
8012         (Archive::read_symbols): Likewise.
8013         (Archive::get_elf_object_for_member): Remove input_objects
8014         parameter.  Add punconfigured parameter.  Change all callers.
8015         (Archive::add_symbols): Change return type to bool.  Check return
8016         value of include_member.
8017         (Archive::include_all_members): Likewise.
8018         (Archive::include_member): Change return type to bool.  Return
8019         false if first included object has incompatible target.  Set
8020         included_member_ field.
8021         (Add_archive_symbols::run): If add_symbols returns false, requeue
8022         Read_symbols task.
8023         * archive.h (class Archive): Add included_member_ field.
8024         Initialize it in constructor.  Add input_file and searched_for
8025         methods.  Update declarations.
8026         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8027         input_argument_ fields.  Add them to constructor.  Change all
8028         callers.
8029         * script.cc: Include "target-select.h".
8030         (class Parser_closure): Add skip_on_incompatible_target_ and
8031         found_incompatible_target_ fields.  Add
8032         skip_on_incompatible_target parameter to constructor.  Change all
8033         callers.  Add methods skip_on_incompatible_target,
8034         clear_skip_on_incompatible_target, found_incompatible_target, and
8035         set_found_incompatible_target.
8036         (read_input_script): Add dirindex parameter.  Change all callers.
8037         If parser finds an incompatible target, requeue Read_symbols
8038         task.
8039         (script_set_symbol): Clear skip_on_incompatible_target in
8040         closure.
8041         (script_add_assertion, script_parse_option): Likewise.
8042         (script_start_sections, script_add_phdr): Likewise.
8043         (script_check_output_format): New function.
8044         * script.h (read_input_script): Update declaration.
8045         * script-c.h (script_check_output_format): Declare.
8046         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8047         (ignore_cmd): Remove OUTPUT_FORMAT.
8048         * fileread.cc (Input_file::Input_file): Add explicit this.
8049         (Input_file::will_search_for): New function.
8050         (Input_file::open): Add pindex parameter.  Change all callers.
8051         * fileread.h (class Input_file): Add input_file_argument method.
8052         Declare will_search_for.  Update declarations.
8053         * object.cc (make_elf_object): Add punconfigured parameter.
8054         Change all callers.
8055         * object.h (class Object): Make input_file public.  Add
8056         searched_for method.
8057         (make_elf_object): Update declaration.
8058         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8059         restart search.
8060         * dirsearch.h (class Dirsearch): Update declaration.
8061         * options.h (class General_options): Add --warn-search-mismatch.
8062         * parameters.cc (Parameters::is_compatible_target): New function.
8063         * parameters.h (class Parameters): Declare is_compatible_target.
8064         * workqueue.cc (Workqueue::add_blocker): New function.
8065         * workqueue.h (class Workqueue): Declare add_blocker.
8066
8067         * fileread.cc (Input_file::open): Remove options parameter.
8068         Change all callers.
8069         (Input_file::open_binary): Likewise.
8070         * script.cc (read_input_script): Likewise.
8071         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8072         options parameter from constructor.  Change all callers.
8073         (class Read_script): Likewise.
8074         * fileread.h (class Input_file): Update declarations.
8075         * script.h (read_input_script): Update declaration.
8076
8077 2009-03-10  Nick Clifton  <nickc@redhat.com>
8078
8079         * po/es.po: New Spanish translation.
8080
8081 2009-03-06  Cary Coutant  <ccoutant@google.com>
8082
8083         * options.cc (parse_short_option): Keep dash_z from registering itself.
8084
8085 2009-03-03  Ian Lance Taylor  <iant@google.com>
8086
8087         PR 9918
8088         * target-reloc.h (relocate_section): Pass output_section to
8089         relocate.
8090         * i386.cc (Target_i386::should_apply_static_reloc): Add
8091         output_section parameter.  Change all callers.
8092         (Target_i386::Relocate::relocate): Add output_section parameter.
8093         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8094         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8095         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8096         * testsuite/two_file_shared.sh: New script.
8097         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8098         (check_DATA): Add two_file_shared.dbg.
8099         (two_file_shared.dbg): New target.
8100         * testsuite/Makefile.in: Rebuild.
8101
8102 2009-03-01  Ian Lance Taylor  <iant@google.com>
8103
8104         * configure.ac: Check for byteswap.h.
8105         * configure: Rebuild.
8106         * config.in: Rebuild.
8107
8108 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8109
8110         * layout.cc (Layout::find_or_add_kept_section): New function.
8111         (Layout::add_comdat): Removed.
8112         * layout.h (struct Kept_section): Move out of class Layout.
8113         Remove trailing underscores from field names.  Add group_sections
8114         field.  Rename group_ field to is_group.  Change all uses.
8115         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8116         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8117         comdat_groups_ field.
8118         (Sized_relobj::include_section_group): Use
8119         find_or_add_kept_section and Kept_section::group_sections.
8120         (Sized_relobj::include_linkonce_section): Likewise.
8121         * object.cc (class Sized_relobj): Don't define Comdat_group or
8122         Comdat_group_table.  Remove find_comdat_group and
8123         add_comdat_group.  Remove comdat_groups_ field.
8124         * plugin.cc (include_comdat_group): Use
8125         Layout::find_or_add_kept_section.
8126
8127 2009-02-28  Ian Lance Taylor  <iant@google.com>
8128
8129         * README: --gc-sections and map files are now supported.  Document
8130         some build requirements.
8131
8132         PR 6992
8133         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8134         relocatable link set the value of the section symbol to zero.
8135         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8136         relocatable link don't include the section address in the local
8137         symbol value.
8138
8139 2009-02-27  Ian Lance Taylor  <iant@google.com>
8140
8141         PR 6811
8142         * options.h (class Search_directory): Add is_system_directory.
8143         (class General_options): Declare is_in_system_directory.
8144         * options.cc (get_relative_sysroot): Make static.
8145         (get_default_sysroot): Make static.
8146         (General_optoins::is_in_system_directory): New function.
8147         * fileread.cc (Input_file::is_in_system_directory): New function.
8148         * fileread.h (class Input_file): Declare is_in_system_directory.
8149         * object.h (class Object): Add is_in_system_directory.
8150         (class Input_objects): Remove system_library_directory_ field.
8151         * object.cc (Input_objects::add_object): Don't set
8152         system_library_directory_.
8153         (input_objects::found_in_system_library_directory): Remove.
8154         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8155         parameter.  Change all callers.
8156         (Symbol_table::sized_write_globals): Likewise.
8157         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8158         Call Object::is_in_system_directory.
8159         * symtab.h (class Symbol_table): Update declarations.
8160
8161         PR 5990
8162         * descriptors.h (Open_descriptor): Add is_on_stack field.
8163         * descriptors.cc (Descriptors::open): If the descriptor is on the
8164         top of the stack, remove it.  Initialize is_on_stack field.
8165         (Descriptors::release): Only add pod to stack if it is not on the
8166         stack already.
8167         (Descriptors::close_some_descriptor): Clear stack_next and
8168         is_on_stack fields.
8169
8170         PR 7091
8171         * output.cc (Output_section::find_starting_output_address): Rename
8172         from starting_output_address; add PADDR parameter; change return
8173         type.
8174         * output.h (class Output_section): Declare
8175         find_starting_output_address instead of starting_output_address.
8176         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8177         section symbol for which we can't find a merge section.
8178
8179         PR 9836
8180         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8181         hidden or internal, force the symbol to be local.
8182         * resolve.cc (Symbol::override_visibility): Define.
8183         (Symbol::override_base): Use override_visibility.
8184         (Symbol_table::resolve): Likewise.
8185         (Symbol::override_base_with_special): Likewise.
8186         (Symbol_table::override_with_special): If the visibility is hidden
8187         or internal, force the symbol to be local.
8188         * symtab.h (class Symbol): Add set_visibility and
8189         override_visibility.
8190         * testsuite/ver_test_1.sh: New file.
8191         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8192         (check_DATA): Add ver_test_1.syms.
8193         (ver_test_1.syms): New target.
8194         * testsuite/Makefile.in: Rebuild.
8195
8196 2009-02-25  Cary Coutant  <ccoutant@google.com>
8197
8198         * layout.cc (Layout::choose_output_section): Don't rename sections
8199         when using a linker script that has a SECTIONS clause.
8200         * Makefile.in: Regenerate.
8201
8202         * testsuite/Makefile.am (script_test_5.sh): New test case.
8203         * testsuite/Makefile.in: Regenerate.
8204         * testsuite/script_test_5.cc: New file.
8205         * testsuite/script_test_5.sh: New file.
8206         * testsuite/script_test_5.t: New file.
8207
8208 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8209
8210         * archive.cc (Archive::include_member): Update calls to add_symbols.
8211         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8212         the Layout argument.
8213         * dynobj.h (do_add_symbols): Add the Layout argument.
8214         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8215         Layout argument.
8216         * object.h (Object::add_symbols): Add the Layout argument.
8217         (Object::do_add_symbols): Add the Layout argument.
8218         (Sized_relobj::do_add_symbols): Add the Layout argument.
8219         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8220         Unify the two versions.
8221         (Add_plugin_symbols): Remove.
8222         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8223         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8224         (Add_plugin_symbols): Remove.
8225         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8226         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8227         (Add_symbols::run): Make it work with Pulginobj.
8228
8229 2009-02-06  Ian Lance Taylor  <iant@google.com>
8230
8231         * object.cc (Sized_relobj::do_layout): Make info message start
8232         with lower case letter.
8233
8234 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8235
8236         * binary.cc: Fix file comment.
8237
8238         * options.h (enum Incremental_disposition): Define.
8239         (class General_options): Add new options: --incremental,
8240         --incremental_changed, --incremental_unchanged,
8241         --incremental_unknown.  Add incremental_disposition_ and
8242         implicit_incremental_ fields.
8243         (General_options::incremental_disposition): New function.
8244         (class Position_dependent_options): Add incremental_disposition
8245         option.
8246         (Position_dependent_options::copy_from_options): Set incremental
8247         dispositions.
8248         * options.cc (General_options::parse_incremental_changed): New
8249         function.
8250         (General_options::parse_incremental_unchanged): New function.
8251         (General_options::parse_incremental_unknown): New function.
8252         (General_options::General_options): Initialize new fields
8253         incremental_disposition_ and implicit_incremental_.
8254         (General_options::finalize): Check for uasge of --incremental-*
8255         without --incremental.
8256
8257 2009-02-06  Chris Demetriou  <cgd@google.com>
8258
8259         * gold.h (gold_undefined_symbol): Change to take only a Symbol
8260         pointer and to report location as the file name associated with
8261         the symbol.
8262         (gold_undefined_symbol_at_location): New function to replace the
8263         old gold_undefined_symbol functionality.
8264         * target-reloc.h (relocate_section): Update to use
8265         gold_undefined_symbol_at_location.
8266         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8267         Call gold_undefined_symbol function rather than gold_error.
8268         * errors.h (Errors::undefined_symbol): Take location as a
8269         string, rather than calculating it from a relocation.
8270         * errors.cc (Errors::fatal): Print "fatal error:" before the
8271         formatted message.
8272         (Errors::error, Errors::error_at_location): Print "error: "
8273         before the formatted message.
8274         (Errors::undefined_symbol): Take location as a string, rather
8275         than calculating it from a relocation.
8276         (gold_undefined_symbol_at_location): New function akin to
8277         old gold_undefined_symbol, calculates location from relocation.
8278         (gold_undefined_symbol): Change to take only a Symbol pointer
8279         and to report location as the file name associated with the symbol.
8280         * testsuite/debug_msg.sh: Update for changed error messages.
8281         * testsuite/undef_symbol.sh: Likewise.
8282
8283 2009-02-04  Duncan Sands  <baldrick@free.fr>
8284
8285         PR 9812
8286         * reduced_debug_output.h
8287         (Output_reduced_debug_abbrev_section::failed): Use format for
8288         gold_warning.
8289         (Output_reduced_debug_info_section::faild): Likewise.
8290
8291 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
8292
8293         * script.cc (Lazy_demangler): New class.
8294         (Version_script_info::get_symbol_version_helper): Demangle a
8295         symbol only once.
8296
8297 2009-01-29  Cary Coutant  <ccoutant@google.com>
8298
8299         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
8300         to __tls_get_addr.
8301         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8302
8303 2009-01-28  Ian Lance Taylor  <iant@google.com>
8304
8305         * version.cc (version_string): Bump to 1.9.
8306
8307         * gold.h: Include <cstring> and <stdint.h>.
8308         * version.cc: Include <cstdio>.
8309         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
8310         warning.
8311         * reduced_debug_output.cc (insert_into_vector): Rename from
8312         Insert_into_vector; change all callers.  Use Swap_unaligned to
8313         avoid aliasing issue; remove union since it is unnecessary.
8314
8315 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
8316
8317         * Makefile.am (CCFILES): Add gc.cc.
8318         (HFILES): Add gc.h.
8319         * Makefile.in: Regenerate.
8320         * gold.cc (Gc_runner): New class.
8321         (queue_initial_tasks): Call garbage collection related tasks
8322         when corresponding options are invoked.
8323         (queue_middle_gc_tasks): New function.
8324         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
8325         processed early before laying out sections during garbage collection.
8326         * gold.h (queue_middle_gc_tasks): New function.
8327         (is_prefix_of): Move from "layout.cc".
8328         * i386.cc (Target_i386::gc_process_relocs): New function.
8329         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
8330         * main.cc (main): Create object of class "Garbage_collection".
8331         * object.cc (Relobj::copy_symbols_data): New function.
8332         (Relobj::is_section_name_included): New function.
8333         (Sized_relobj::do_layout): Allow this function to be called twice
8334         during garbage collection and defer layout of section during the
8335         first call.
8336         * object.h (Relobj::get_symbols_data): New function.
8337         (Relobj::is_section_name_included): New function.
8338         (Relobj::copy_symbols_data): New function.
8339         (Relobj::set_symbols_data): New function.
8340         (Relobj::get_relocs_data): New function.
8341         (Relobj::set_relocs_data): New function.
8342         (Relobj::is_output_section_offset_invalid): New pure virtual function.
8343         (Relobj::gc_process_relocs): New function.
8344         (Relobj::do_gc_process_relocs): New pure virtual function.
8345         (Relobj::sd_): New data member.
8346         (Sized_relobj::is_output_section_offset_invalid): New function.
8347         (Sized_relobj::do_gc_process_relocs): New function.
8348         * options.h (General_options::gc_sections): Modify to not be a no-op.
8349         (General_options::print_gc_sections): New option.
8350         * plugin.cc (Plugin_finish::run): Remove function call to
8351         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
8352         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
8353         * reloc.cc (Read_relocs::run): Add task to process relocs and
8354         determine unreferenced sections when doing garbage collection.
8355         (Gc_process_relocs): New class.
8356         (Sized_relobj::do_gc_process_relocs): New function.
8357         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
8358         sections that are garbage collected.
8359         * reloc.h (Gc_process_relocs): New class.
8360         * sparc.cc (Target_sparc::gc_process_relocs): New function.
8361         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
8362         symbols whose corresponding sections are garbage collected.
8363         (Symbol_table::Symbol_table): Add new parameter for the garbage
8364         collection object.
8365         (Symbol_table::gc_mark_undef_symbols): New function.
8366         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8367         (Symbol_table::gc_mark_dyn_syms): New function.
8368         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
8369         as garbage.
8370         (Symbol_table::add_from_object): Likewise.
8371         (Symbol_table::add_from_relobj): When building shared objects, do not
8372         treat externally visible symbols as garbage.
8373         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
8374         table information for static and relocatable links.
8375         * symtab.h (Symbol_table::set_gc): New function.
8376         (Symbol_table::gc): New function.
8377         (Symbol_table::gc_mark_undef_symbols): New function.
8378         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8379         (Symbol_table::gc_mark_dyn_syms): New function.
8380         (Symbol_table::gc_): New data member.
8381         * target.h (Sized_target::gc_process_relocs): New pure virtual
8382         function.
8383         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
8384         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
8385
8386 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
8387
8388         * options.h (General_options::gc_sections): Define as a no-op for now.
8389         (General_options::no_keep_memory): Ditto.
8390         (General_options::Bshareable): Define.
8391         * options.cc (General_options::finalize): Honor -Bshareable.
8392
8393 2009-01-20  Andreas Schwab  <schwab@suse.de>
8394
8395         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
8396         read the value in the contents, since we don't use it.  Use the
8397         template endianness when writing.
8398         (Relocate::relocate): Use it for R_PPC_REL16_HA.
8399
8400 2009-01-19  Andreas Schwab  <schwab@suse.de>
8401
8402         * configure.tgt (powerpc64-*): Fix targ_obj.
8403
8404 2009-01-15  Ian Lance Taylor  <iant@google.com>
8405
8406         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8407         local symbols when stripping all symbols.
8408
8409 2009-01-14  Cary Coutant  <ccoutant@google.com>
8410
8411         * output.cc (Output_reloc): Add explicit instantiations.
8412
8413 2009-01-14  Cary Coutant  <ccoutant@google.com>
8414
8415         * archive.cc (Archive::get_elf_object_for_member): Remove call
8416         to File_read::claim_for_plugin.
8417         * descriptors.cc (Descriptors::open): Remove reference to
8418         is_claimed.
8419         (Descriptors::claim_for_plugin): Remove.
8420         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8421         (Descriptors::is_claimed): Remove.
8422         (claim_descriptor_for_plugin): Remove.
8423         * fileread.cc (File_read::claim_for_plugin): Remove.
8424         * fileread.h (File_read::claim_for_plugin): Remove.
8425         (File_read::descriptor): Reopen descriptor if necessary.
8426         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8427         (Plugin_manager::all_symbols_read): Add task parameter. Change
8428         all callers.
8429         (Plugin_manager::get_input_file): New function.
8430         (Plugin_manager::release_input_file): New function.
8431         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8432         corresponding data member.
8433         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8434         and pass to base constructor. Change all callers.
8435         (get_input_file, release_input_file): New functions.
8436         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8437         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8438         (Plugin_manager::all_symbols_read): Add task parameter.
8439         (Plugin_manager::get_input_file): New function.
8440         (Plugin_manager::release_input_file): New function.
8441         (Plugin_manager::task_): New data member.
8442         (Pluginobj::Pluginobj): Add filesize parameter.
8443         (Pluginobj::filename): New function.
8444         (Pluginobj::descriptor): New function.
8445         (Pluginobj::filesize): New function.
8446         (Pluginobj::filesize_): New data member.
8447         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8448         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8449         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8450
8451         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8452         with archive libraries.
8453         * testsuite/Makefile.in: Regenerate.
8454         * testsuite/plugin_test.c (struct sym_info): New type.
8455         (get_input_file, release_input_file): New static variables.
8456         (onload): Capture new transfer vector entries.
8457         (claim_file_hook): Stop reading at end of file according to filesize.
8458         Factor out parsing of readelf output into separate function.
8459         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8460         APIs and get the source file name from the symbol table.  Convert
8461         source file name to corresponding object file name.  Print info
8462         message when adding new input files.
8463         (parse_readelf_line): New function.
8464         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8465         * testsuite/plugin_test_2.sh: Likewise.
8466         * testsuite/plugin_test_3.sh: Likewise.
8467         * testsuite/plugin_test_4.sh: New test case.
8468
8469 2009-01-07  Ian Lance Taylor  <iant@google.com>
8470
8471         * version.cc (version_string): Bump to 1.8.
8472
8473 2008-12-23  Cary Coutant  <ccoutant@google.com>
8474
8475         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8476         * plugin.cc (Plugin_manager::finish): Rename as
8477         layout_deferred_objects.  Move cleanup to separate function.
8478         (Plugin_manager::cleanup): New function.
8479         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8480         separately.
8481         * plugin.h (Plugin_manager::finish): Rename as
8482         layout_deferred_objects.
8483         (Plugin_manager::cleanup): New function.
8484         (Plugin_manager::cleanup_done): New field.
8485
8486 2008-12-23  Cary Coutant  <ccoutant@google.com>
8487
8488         * plugin.cc (is_visible_from_outside): New function.
8489         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8490         so we don't return "IR only" status for exported symbols or -r links.
8491
8492         * testsuite/Makefile.am (plugin_test_3): New test case.
8493         * testsuite/Makefile.in: Regenerate.
8494         * testsuite/plugin_test_3.sh: New file.
8495
8496 2008-12-22  Cary Coutant  <ccoutant@google.com>
8497
8498         * object.cc (Sized_relobj::layout_section): New function.
8499         (Sized_relobj::do_layout): Defer layout of input sections until after
8500         plugin has provided replacement files.
8501         (Sized_relobj::do_layout_deferred_sections): New function.
8502         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8503         (Relobj::layout_deferred_sections): New function.
8504         (Relobj::do_layout_deferred_sections): New function.
8505         (Sized_relobj::do_layout_deferred_sections): New function.
8506         (Sized_relobj::layout_section): New function.
8507         (Sized_relobj::Deferred_layout): New structure.
8508         (Sized_relobj::deferred_layout_): New field.
8509         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8510         Change all callers.  Layout deferred sections.
8511         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8512         references.
8513         (Plugin_hook::run): Move code from do_plugin_hook inline.
8514         (Plugin_hook::do_plugin_hook): Remove.
8515         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8516         (Plugin_manager::finish): Renamed, was cleanup.
8517         (Plugin_manager::should_defer_layout): New function.
8518         (Plugin_manager::add_deferred_layout_object): New function.
8519         (Plugin_manager::Deferred_layout_list): New type.
8520         (Plugin_manager::deferred_layout_objects_): New field.
8521         (Plugin_hook::do_plugin_hook): Remove.
8522
8523 2008-12-17  Ian Lance Taylor  <iant@google.com>
8524
8525         * options.h (class General_options): Add --no case for
8526         --export-dynamic.
8527
8528 2008-12-16  Cary Coutant  <ccoutant@google.com>
8529
8530         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8531         vector.
8532         (Plugin_manager::claim_file): Create plugin object even if
8533         plugin did not call the add_symbols callback.
8534         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8535         asking for more symbols than were added.
8536         * testsuite/Makefile.am (plugin_test_1): Add test case with
8537         no global symbols.
8538         (empty.syms): New target.
8539         * testsuite/Makefile.in: Regenerate.
8540         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8541         message. Don't call add_symbols if no globals.
8542         (all_symbols_read_hook): Don't provide replacement for empty
8543         claimed file.
8544
8545 2008-12-12  Ian Lance Taylor  <iant@google.com>
8546
8547         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8548         r_type == 0 for a local symbol with r_sym == 0.
8549         (scan_relocatable_relocs): Pass r_sym to
8550         local_non_section_strategy.
8551         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8552         r_sym parameter.
8553
8554         * configure.ac: Update test for TLS descriptors: they are
8555         supported as of glibc 2.9.
8556         * configure: Rebuild.
8557
8558 2008-12-11  Ian Lance Taylor  <iant@google.com>
8559
8560         PR 7091
8561         * target-reloc.h (Default_scan_relocatable_relocs): For each
8562         function, map r_type == 0 to RELOC_DISCARD.
8563
8564 2008-12-10  Cary Coutant  <ccoutant@google.com>
8565
8566         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8567         object to override a kept COMDAT group from a plugin object.
8568
8569 2008-12-09  Ian Lance Taylor  <iant@google.com>
8570
8571         PR 7088
8572         * yyscript.y (file_cmd): Handle INPUT.
8573
8574         * testsuite/initpri1.c: Change all declarations to be full
8575         prototypes by adding void, to avoid compiler warnings.
8576
8577 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8578
8579         * options.cc (General_options::parse_plugin_opt): New.
8580         (General_options::add_plugin): The argument now is just the filename.
8581         (General_options::add_plugin_option): New.
8582         * options.h (plugin_opt): New.
8583         (add_plugin): Change argument name.
8584         (add_plugin_option): New.
8585         * plugin.cc (Plugin::load): Don't parse the plugin option.
8586         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8587         (Plugin::add_option): New.
8588         (Plugin::args_): Change type.
8589         (Plugin::filename_): New.
8590         (Plugin_manager::add_plugin_option): New.
8591         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8592         * testsuite/Makefile.in: Regenerate.
8593
8594 2008-12-05  Cary Coutant  <ccoutant@google.com>
8595
8596         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8597         Handle --strip-lto-sections option.
8598         * options.h (strip_lto_sections): New option.
8599
8600 2008-12-01  Cary Coutant  <ccoutant@google.com>
8601
8602         * plugin.cc (ld_plugin_message): Change format parameter to const.
8603         Fix mismatch between new[] and delete.
8604
8605 2008-11-14  Cary Coutant  <ccoutant@google.com>
8606
8607         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8608         instead of -1U.
8609
8610 2008-11-05  Craig Silverstein  <csilvers@google.com>
8611
8612         * options.cc (General_options::parse_dynamic_list): New function.
8613         * options.h (General_options): New flags dynamic_list,
8614         dynamic_list_data, dynamic_list_cpp_new, and
8615         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8616         (General_options::in_dynamic_list): New function.
8617         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8618         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8619         (Lex::can_continue_name): Likewise.
8620         (yylex): Likewise.
8621         (read_script_file): New parameter script_options.
8622         (read_dynamic_list): New function.
8623         (Script_options::define_dynamic_list): New function.
8624         (dynamic_list_keyword_parsecodes): New variable.
8625         (dynamic_list_keywords): New variable.
8626         * script.h (Script_options::define_dynamic_list): New function
8627         prototype.
8628         (read_dynamic_list): New function prototype.
8629         * symtab.cc (strprefix): New macro.
8630         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8631         dynamic_list_data, dynamic_list_cpp_new, and
8632         dynamic_list_cpp_typeinfo.
8633         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8634         (dynamic_list_expr): New rule.
8635         (dynamic_list_nodes): Likewise.
8636         (dynamic_list_node): Likewise.
8637         * testsuite/Makefile.am (dynamic_list): New test.
8638         * testsuite/Makefile.in: Regenerated.
8639         * testsuite/dynamic_list.t: New file.
8640         * testsuite/dynamic_list.sh: New file.
8641
8642 2008-11-05  Craig Silverstein  <csilvers@google.com>
8643
8644         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8645         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8646         (t11_last): Likewise.
8647         * testsuite/ver_test_6.c (main): Likewise.
8648
8649 2008-10-07  Cary Coutant  <ccoutant@google.com>
8650
8651         * options.c (General_options::finalize): Add check for -static and
8652         -shared.
8653         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8654         is not empty.
8655
8656 2008-10-02  Cary Coutant  <ccoutant@google.com>
8657
8658         * plugin.cc (make_sized_plugin_object): Fix conditional
8659         compilation to work when not all targets are enabled.
8660
8661 2008-09-29  Cary Coutant  <ccoutant@google.com>
8662
8663         * archive.cc (Archive::get_file_and_offset): Use filename instead
8664         of name to get library path.
8665         (Archive::include_member): Unlock external member of a thin archive.
8666
8667         * testsuite/Makefile.am (TEST_AR): New variable.
8668         (thin_archive_test_1): New test.
8669         (thin_archive_test_2): New test.
8670         * testsuite/Makefile.in: Regenerate.
8671         * testsuite/thin_archive_main.cc: New file.
8672         * testsuite/thin_archive_test_1.cc: New file.
8673         * testsuite/thin_archive_test_2.cc: New file.
8674         * testsuite/thin_archive_test_3.cc: New file.
8675         * testsuite/thin_archive_test_4.cc: New file.
8676
8677 2008-09-29  Cary Coutant  <ccoutant@google.com>
8678
8679         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8680         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8681         instead of -1U.
8682         (Sized_relobj::do_finalize_local_symbols): Likewise.
8683         (Sized_relobj::map_to_kept_section): Likewise.
8684         * object.h (Sized_relobj::invalid_address): New constant.
8685         (Sized_relobj::do_output_section_offset): Check for invalid_address
8686         and return -1ULL.
8687         * output.cc (Output_reloc::local_section_offset): Use constant
8688         invalid_address instead of -1U.
8689         (Output_reloc::get_address): Likewise.
8690         (Output_section::output_address): Change -1U to -1ULL.
8691         * output.h (Output_reloc::invalid_address): New constant.
8692         * reloc.cc (Sized_relobj::write_sections): Use constant
8693         invalid_address instead of -1U.
8694         (Sized_relobj::relocate_sections): Likewise.
8695         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8696         values for merge sections.
8697         * target-reloc.h (relocate_for_relocatable): Use constant
8698         invalid_address instead of -1U.
8699
8700 2008-09-19  Cary Coutant  <ccoutant@google.com>
8701
8702         Add plugin functionality for link-time optimization (LTO).
8703         * configure.ac (plugins): Add --enable-plugins option.
8704         * configure: Regenerate.
8705         * config.in: Regenerate.
8706         * Makefile.am (LIBDL): New variable.
8707         (CCFILES): Add plugin.cc.
8708         (HFILES): Add plugin.h.
8709         (ldadd_var): Add LIBDL.
8710         * Makefile.in: Regenerate.
8711
8712         * archive.cc: Include "plugin.h".
8713         (Archive::setup): Don't preread archive symbols when using a plugin.
8714         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
8715         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
8716         files.
8717         (Archive::include_member): Add symbols from plugin objects.
8718         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
8719         * descriptors.cc (Descriptors::open): Check for file descriptors
8720         abandoned by plugins.
8721         (Descriptors::claim_for_plugin): New function.
8722         * descriptors.h (Descriptors::claim_for_plugin): New function.
8723         (Open_descriptor::is_claimed): New field.
8724         (claim_descriptor_for_plugin): New function.
8725         * fileread.cc (File_read::claim_for_plugin): New function.
8726         * fileread.h (File_read::claim_for_plugin): New function.
8727         (File_read::descriptor): New function.
8728         * gold.cc: Include "plugin.h".
8729         (queue_initial_tasks): Add task to call plugin hooks for generating
8730         new object files.
8731         * main.cc: Include "plugin.h".
8732         (main): Load plugin libraries.
8733         * object.h (Pluginobj): Declare.
8734         (Object::pluginobj): New function.
8735         (Object::do_pluginobj): New function.
8736         (Object::set_target): New function.
8737         * options.cc: Include "plugin.h".
8738         (General_options::parse_plugin): New function.
8739         (General_options::General_options): Initialize plugins_ field.
8740         (General_options::add_plugin): New function.
8741         * options.h (Plugin_manager): Declare.
8742         (General_options): Add --plugin option.
8743         (General_options::has_plugins): New function.
8744         (General_options::plugins): New function.
8745         (General_options::add_plugin): New function.
8746         (General_options::plugins_): New field.
8747         * plugin.cc: New file.
8748         * plugin.h: New file.
8749         * readsyms.cc: Include "plugin.h".
8750         (Read_symbols::do_read_symbols): Check for archive before checking
8751         for ELF file.  Call plugin hooks to claim files.
8752         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
8753         from a real object file; force override when processing replacement
8754         files.
8755         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
8756         (Symbol::init_base_object): Likewise.
8757         (Symbol::init_base_output_data): Likewise.
8758         (Symbol::init_base_output_segment): Likewise.
8759         (Symbol::init_base_constant): Likewise.
8760         (Symbol::init_base_undefined): Likewise.
8761         (Symbol::output_section): Assert that object is not a plugin.
8762         (Symbol_table::add_from_pluginobj): New function.
8763         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
8764         undefined.
8765         (Symbol_table::sized_write_globals): Likewise.
8766         (Symbol_table::add_from_pluginobj): Instantiate template.
8767         * symtab.h (Sized_pluginobj): Declare.
8768         (Symbol::in_real_elf): New function.
8769         (Symbol::set_in_real_elf): New function.
8770         (Symbol::in_real_elf_): New field.
8771         (Symbol_table::add_from_pluginobj): New function.
8772
8773         * testsuite/Makefile.am (AM_CFLAGS): New variable.
8774         (LIBDL): New variable.
8775         (LDADD): Add LIBDL.
8776         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
8777         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
8778         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
8779         (MOSTLYCLEANFILES): Likewise.
8780         * testsuite/Makefile.in: Regenerate.
8781         * testsuite/plugin_test.c: New file.
8782         * testsuite/plugin_test_1.sh: New file.
8783         * testsuite/plugin_test_2.sh: New file.
8784
8785 2008-09-16  Ian Lance Taylor  <iant@google.com>
8786
8787         * target-reloc.h (relocate_section): Check whether a symbol is
8788         defined by the ABI before reporting an undefined symbol error.
8789         * target.h (Target::is_defined_by_abi): Make parameter const.
8790         (Target::do_is_defined_by_abi): Likewise.
8791         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
8792         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
8793         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
8794         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
8795         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
8796         * testsuite/Makefile.in: Rebuild.
8797
8798         * fileread.cc (make_view): Add casts to avoid warning.
8799
8800 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8801
8802         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
8803         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8804
8805 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8806
8807         * options.h (General_options::output_is_executable): New.
8808         (General_options::output_is_pie): New.
8809         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
8810         for shared libraries.
8811         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8812
8813 2008-09-11  Chris Demetriou  <cgd@google.com>
8814
8815         * options.h (origin): New -z option.
8816         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
8817         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
8818         in DT_FLAGS_1.
8819
8820 2008-09-05  Cary Coutant  <ccoutant@google.com>
8821
8822         * fileread.cc (File_read::make_view): Add check for attempt to map
8823         beyond end of file.
8824
8825 2008-09-05  Cary Coutant  <ccoutant@google.com>
8826
8827         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
8828         explicit instantiations.
8829
8830 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
8831
8832         PR gold/6858
8833         * options.cc (General_options::finalize): Allow undefined symbols
8834         in shlibs if linking -shared.
8835
8836         PR gold/6859
8837         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
8838         symbols as not needing a dynsym entry.
8839
8840 2008-08-20  Craig Silverstein  <csilvers@google.com>
8841
8842         * fileread.cc (File_read::open): Do not lock the file unless it
8843         was successfully opened.
8844
8845 2008-08-14  Cary Coutant  <ccoutant@google.com>
8846
8847         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
8848         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
8849         * testsuite/tls_test.cc (struct int128): 128-bit struct
8850         for testing TLS relocs with non-zero addend.
8851         (v12): New TLS variable.
8852         (t12): New test.
8853         (t_last): Add check for v12.
8854         * testsuite/tls_test.h (t12): New function.
8855         * testsuite/tls_test_main.cc (thread_routine): Call new test.
8856
8857 2008-08-13  Ian Lance Taylor  <iant@google.com>
8858
8859         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
8860         set tls_segment_ or relro_segment_.
8861         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
8862         when appropriate.
8863         * output.h (Output_section::clear_is_relro): New function.
8864         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
8865         sections specially even when output_data_ is empty.
8866         (Output_segment::maximum_alignment): When first section is relro,
8867         only force alignment for PT_LOAD segments.
8868         * script.cc (script_data_segment_align): New function.
8869         (script_data_segment_relro_end): New function.
8870         * script-c.h (script_data_segment_align): Declare.
8871         (script_data_segment_relro_end): Declare.
8872         * script-sections.h (class Script_sections): Declare
8873         data_segment_align and data_segment_relro_end.  Add fields
8874         segment_align_index_ and saw_relro_end_.
8875         * script-sections.cc (class Sections_element): Add set_is_relro
8876         virtual function.  Add new bool* parameter to place_orphan_here.
8877         Add get_output_section virtual function.
8878         (class Output_section_definition): Add set_is_relro.  Add new
8879         bool* parameter to place_orphan_here.  Add get_output_section.
8880         Add is_relro_ field.
8881         (Output_section_definition::Output_section_definition): Initialize
8882         evaluated_address_, evaluated_load_address, evaluated_addralign_,
8883         and is_relro_ fields.
8884         (Output_section_definition::place_orphan_here): Add is_relro
8885         parameter.
8886         (Output_section_definition::set_section_addresses): Set relro for
8887         output section.
8888         (Output_section_definition::alternate_constraint): Likewise.
8889         (class Orphan_output_section): Add new bool* parameter to
8890         place_orphan_here.  Add get_output_section.
8891         (Orphan_output_section::place_orphan_here): Add is_relro
8892         parameter.
8893         (Script_sections::Script_sections): Initialize
8894         data_segment_align_index_ and saw_relro_end_.
8895         (Script_sections::data_segment_align): New function.
8896         (Script_sections::data_segment_relro_end): New function.
8897         (Script_sections::place_orphan): Set or clear is_relro.
8898         (Script_sections::set_section_addresses): Force alignment of first
8899         TLS section.
8900         * yyscript.y (exp): Call script_data_segment_align and
8901         script_data_segment_relro_end.
8902         * testsuite/relro_script_test.t: New file.
8903         * testsuite/relro_test.cc (using_script): Declare.
8904         (t1, t2): Test using_script.
8905         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
8906         (relro_script_test_SOURCES): Define.
8907         (relro_script_test_DEPENDENCIES): Define.
8908         (relro_script_test_LDFLAGS): Define.
8909         (relro_script_test_LDADD): Define.
8910         (relro_script_test.so): New target.
8911         * testsuite/Makefile.in: Rebuild.
8912
8913 2008-08-06  Cary Coutant <ccoutant@google.com>
8914
8915         * archive.cc (Archive::total_archives, Archive::total_members)
8916         (Archive::total_members_loaded): New variables.
8917         (Archive::setup): Add parameter.  Add option to preread
8918         archive symbols.
8919         (Archive::read_armap): Add counter.
8920         (Archive::get_file_and_offset): New function.
8921         (Archive::get_elf_object_for_member): New function.
8922         (Archive::read_all_symbols): New function.
8923         (Archive::read_symbols): New function.
8924         (Archive::add_symbols): Add counters.
8925         (Archive::include_all_members): Use armap to find members if it's
8926         already built.
8927         (Archive::include_member): Skip reading symbols if already read.
8928         Factored code into Archive::get_file_and_offset and
8929         Archive::get_elf_object_for_member.  Changed call to
8930         Mapfile::report_include_archive_member.
8931         (Archive::print_stats): New function.
8932         * archive.h: Declare Object and Read_symbols_data classes.
8933         (Archive::Archive): Add initializers for new members.
8934         (Archive::setup): Add parameter.
8935         (Archive::print_stats): New function.
8936         (Archive::total_archives, Archive::total_members)
8937         (Archive::total_members_loaded): New variables.
8938         (Archive::get_file_and_offset): New function.
8939         (Archive::get_elf_object_for_member): New function.
8940         (Archive::read_all_symbols): New function.
8941         (Archive::read_symbols): New function.
8942         (Archive::Archive_member): New class.
8943         (Archive::members_): New member.
8944         (Archive::num_members_): New member.
8945         * main.cc: Include archive.h.
8946         (main): Call Archive::print_stats.
8947         * mapfile.cc (Mapfile::report_include_archive_member): Delete
8948         archive parameter; member_name is now the fully-decorated name.
8949         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
8950         * options.h: (General_options): Add --preread-archive-symbols option.
8951         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
8952         Archive::setup.
8953
8954 2008-08-04  Ian Lance Taylor  <iant@google.com>
8955
8956         * symtab.h (Symbol::use_plt_offset): New function.
8957         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
8958         * powerpc.cc (Relocate::relocate): Likewise.
8959         * sparc.cc (Relocate::relocate): Likewise.
8960         * x86_64.cc (Relocate::relocate): Likewise.
8961         * testsuite/weak_plt.sh: New test.
8962         * testsuite/weak_plt_main.cc: New test.
8963         * testsuite/weak_plt_shared.cc: New test.
8964         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
8965         (check_PROGRAMS): Add weak_plt.
8966         (check_DATA): Add weak_plt_shared.so.
8967         (weak_plt_main_pic.o, weak_plt): New targets.
8968         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
8969         * testsuite/Makefile.in: Rebuild.
8970
8971         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
8972         gcctestdir/ld.
8973         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
8974         * testsuite/Makefile.in: Rebuild.
8975
8976 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
8977
8978         * Makefile.am (POTFILES.in): Set LC_ALL=C.
8979         * Makefile.in: Regenerate.
8980         * po/POTFILES.in: Regenerate.
8981
8982 2008-07-29  Ian Lance Taylor  <iant@google.com>
8983
8984         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
8985         symbols before other symbols.
8986         * testsuite/script_test_2.cc (test_addr): Declare.
8987         (test_addr_alias): Declare.
8988         (main): Check that test_addr and test_addr_alias have the right
8989         values.
8990         * testsuite/script_test_2.t: Define test_addr_alias and
8991         test_addr.
8992
8993 2008-07-24  Ian Lance Taylor  <iant@google.com>
8994
8995         PR 5990
8996         * descriptors.cc: New file.
8997         * descriptors.h: New file.
8998         * gold-threads.h (class Hold_optional_lock): New class.
8999         * fileread.cc: Include "descriptors.h".
9000         (File_read::~File_read): Release descriptor rather than closing
9001         it.
9002         (File_read::open) [file]: Call open_descriptor rather than open.
9003         Set is_descriptor_opened_.
9004         (File_read::open) [memory]: Assert that descriptor is not open.
9005         (File_read::reopen_descriptor): New function.
9006         (File_read::release): Release descriptor.
9007         (File_read::do_read): Make non-const.  Reopen descriptor.
9008         (File_read::read): Make non-const.
9009         (File_read::make_view): Reopen descriptor.
9010         (File_read::do_readv): Likewise.
9011         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9012         Update declarations.
9013         * layout.cc: Include "descriptors.h".
9014         (Layout::create_build_id): Use open_descriptor rather than open.
9015         * output.cc: Include "descriptors.h".
9016         (Output_file::open): Use open_descriptor rather than open.
9017         * archive.cc (Archive::const_iterator): Change Archive to be
9018         non-const.
9019         (Archive::begin, Archive::end): Make non-const.
9020         (Archive::count_members): Likewise.
9021         * archive.h (class Archive): Update declarations.
9022         * object.h (Object::read): Make non-const.
9023         * Makefile.am (CCFILES): Add descriptors.cc.
9024         (HFILES): Add descriptors.h.
9025         * Makefile.in: Rebuild.
9026
9027         PR 6716
9028         * gold.h: Always include <clocale>.  Add Solaris workarounds
9029         following code in binutils/sysdep.h.
9030
9031         PR 6048
9032         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9033         this->eh_frame_hdr_ is NULL before using it.
9034
9035         * dynobj.cc (Versions::Versions): Update comment.
9036
9037         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9038         the base version name.
9039
9040         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9041         array size plus one.
9042         (Stringpool_template::set_string_offsets): Subtract one from key
9043         before using it as an array index.
9044         (Stringpool_template::get_offset_with_length): Likewise.
9045         (Stringpool_template::write_to_buffer): Likewise.
9046         * stringpool.h (Stringpool_template::get_offset_from_key):
9047         Likewise.
9048
9049 2008-07-23  Ian Lance Taylor  <iant@google.com>
9050
9051         PR 6658
9052         * object.h (Merged_symbol_value::value): Do our best to handle a
9053         negative addend.
9054
9055         PR 6647
9056         * script.cc (Version_script_info::get_versions): Don't add empty
9057         version tag to return value.
9058         (Version_script_info::get_symbol_version_helper): Change return
9059         type to bool.  Add pversion parameter.  Change all callers.
9060         (script_register_vers_node): Don't require a non-NULL tag.
9061         * script.h (class Version_script_info): Update declarations.
9062         (Version_script_info::get_symbol_version): Change return type to
9063         bool.  Add version parameter.  Change all callers.
9064         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9065         handling.  Handle an empty version from a version script.
9066         (Symbol_table::define_special_symbol): Likewise.
9067         * testsuite/ver_test_10.script: New file.
9068         * testsuite/ver_test_10.sh: New file.
9069         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9070         (check_DATA): Add ver_test_10.syms.
9071         (ver_test_10.syms, ver_test_10.so): New target.
9072         * testsuite/Makefile.in: Rebuild.
9073
9074 2008-07-23  Simon Baldwin  <simonb@google.com>
9075
9076         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9077         to zero for undefined symbols from dynamic libraries.
9078
9079 2008-07-23  Ian Lance Taylor  <iant@google.com>
9080
9081         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9082         Change all callers.
9083         * symtab.h (class Symbol_table): Update declaration.
9084         * testsuite/ver_test_9.cc: New file.
9085         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9086         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9087         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9088         (ver_test_9.so, ver_test_9.o): New targets.
9089         * testsuite/Makefile.in: Rebuild.
9090
9091 2008-07-22  Ian Lance Taylor  <iant@google.com>
9092
9093         * options.h (class General_options): Define --check-sections.
9094         * layout.cc (Layout::set_segment_offsets): Handle
9095         --check-sections.
9096
9097         * options.h (class General_options): Define -n/--nmagic and
9098         -N/--omagic.
9099         * options.cc (General_options::finalize): For -n/--nmagic or
9100         -N/--omagic, set -static.
9101         * layout.cc (Layout::attach_allocated_section_to_segment): If
9102         -N/--omagic, don't put read-only and read-write sections in
9103         different segments.
9104         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9105         finding a read-only segment.
9106         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9107         don't set the minimum segment alignment to the common page size,
9108         and don't set the file offset to the address modulo the page size.
9109         * script-sections.cc (Script_sections::create_segments): If
9110         -n/--omagic, don't put read-only and read-write sections in
9111         different segments.
9112
9113         * cref.cc: New file.
9114         * cref.h: New file.
9115         * options.h (class General_options): Add --print-symbol-counts.
9116         * main.cc (main): Issue defined symbol report if requested.
9117         * archive.cc (Archive::interpret_header): Make into a const member
9118         function.
9119         (Archive::add_symbols): Call Input_objects::archive_start and
9120         archive_stop.
9121         (Archive::const_iterator): Define new class.
9122         (Archive::begin, Archive::end): New functions.
9123         (Archive::include_all_members): Rewrite to use iterator.
9124         (Archive::count_members): New function.
9125         * archive.h (class Archive): Update declarations.
9126         (Archive::filename): New function.
9127         * object.cc: Include "cref.h".
9128         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9129         (Sized_relobj::do_get_global_symbol_counts): New function.
9130         (Input_objects::add_object): Add object to cross-referencer.
9131         (Input_objects::archive_start): New function.
9132         (Input_objects::archive_stop): New function.
9133         (Input_objects::print_symbol_counts): New function.
9134         * object.h: Declare Cref and Archive.
9135         (Object::get_global_symbol_counts): New function.
9136         (Object::do_get_global_symbol_counts): New pure virtual function.
9137         (class Sized_relobj): Add defined_count_ field.  Update
9138         declarations.
9139         (class Input_objects): Add cref_ field.  Update constructor.
9140         Update declarations.
9141         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9142         defined_count_.
9143         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9144         symbol counts.
9145         (Sized_dynobj::do_get_global_symbol_counts): New function.
9146         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9147         defined_count_.  Update declarations.  Define Symbols typedef.
9148         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9149         parameter.  Change all callers.
9150         (Symbol_table::add_from_dynobj): Add sympointers and defined
9151         parameters.  Change all callers.
9152         * symtab.h (class Symbol_table): Update declarations.
9153         * Makefile.am (CCFILES): Add cref.cc.
9154         (HFILES): Add cref.h.
9155         * Makefile.in: Rebuild.
9156
9157 2008-07-22  Simon Baldwin  <simonb@google.com>
9158
9159         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9160         to zero when writing undefined symbols.
9161
9162 2008-07-22  Ian Lance Taylor  <iant@google.com>
9163
9164         * output.cc (Output_section::add_input_section): Don't try to
9165         merge empty merge sections.
9166
9167 2008-07-21  Craig Silverstein  <csilvers@google.com>
9168
9169         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9170         Include symbol version in error message.
9171
9172 2008-07-20  Chris Demetriou  <cgd@google.com>
9173
9174         * configure.ac (gold_cv_c_random_seed): New configured variable.
9175         (RANDOM_SEED_CFLAGS): New substituted variable.
9176         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9177         * configure: Rebuild.
9178         * Makefile.in: Likewise.
9179         * testsuite/Makefile.in: Likewise.
9180
9181 2008-07-18  Ian Lance Taylor  <iant@google.com>
9182
9183         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9184         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9185         * testsuite/ver_test_main.cc (main): Call t4.
9186         (t4, t4_2a): Define.
9187         * testsuite/ver_test_2.cc (t4_2): Define.
9188         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9189         * testsuite/ver_test_4.cc (t4_2a): Define.
9190         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9191         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9192
9193 2008-07-17  Ian Lance Taylor  <iant@google.com>
9194
9195         * dynobj.cc (Versions::add_def): If we give an error about a
9196         missing version, go ahead and create the version anyhow.
9197
9198 2008-07-10  Ian Lance Taylor  <iant@google.com>
9199
9200         Handle output sections with more than 0x7fffffff bytes.
9201         * object.h (class Relobj): Change map_to_output_ to
9202         output_sections_, and just keep a section pointer.  Change all
9203         uses.  Move comdat group support to Sized_relobj.
9204         (Relobj::is_section_specially_mapped): Remove.
9205         (Relobj::output_section): Remove poff parameter.  Change all
9206         callers.
9207         (Relobj::output_section_offset): New function.
9208         (Relobj::set_section_offset): Rewrite.
9209         (Relobj::map_to_output): Remove.
9210         (Relobj::output_sections): New function.
9211         (Relobj::do_output_section_offset): New pure virtual function.
9212         (Relobj::do_set_section_offset): Likewise.
9213         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9214         group support from Relobj.  Update declarations.
9215         (Sized_relobj::get_output_section_offset): New function.
9216         (Sized_relobj::do_output_section_offset): New function.
9217         (Sized_relobj::do_set_section_offset): New function.
9218         * object.cc (Relobj::output_section_address): Remove.
9219         (Sized_relobj::Sized_relobj): Initialize new fields.
9220         (Sized_relobj::include_section_group): Cast find_kept_object to
9221         Sized_relobj.
9222         (Sized_relobj::include_linkonce_section): Likewise.
9223         (Sized_relobj::do_layout): Use separate arrays for output section
9224         and output offset.
9225         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9226         output_sections.
9227         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9228         output_sections and section_offsets.
9229         (Sized_relobj::write_local_symbols): Likewise.
9230         (map_to_kept_section): Compute output address directly.
9231         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9232         output_sections and section_offsets.
9233         (Sized_relobj::write_sections): Likewise.
9234         (Sized_relobj::relocate_sections): Likewise.
9235         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9236         * output.h (class Output_reloc): Update declarations.  Change
9237         u2_.relobj to Sized_relobj*.
9238         (class Output_data_reloc): Change add functions to use
9239         Sized_relobj*.
9240         * output.cc (Output_reloc::Output_reloc): Change relobj to
9241         Sized_relobj*.
9242         (Output_reloc::local_section_offset): Change return type to
9243         Elf_Addr.  Use get_output_section_offset.
9244         (Output_reloc::get_address): Likewise.
9245         (Output_section::is_input_address_mapped): Don't call
9246         is_section_specially_mapped.
9247         (Output_section::output_offset): Likewise.
9248         (Output_section::output_address): Likewise.
9249         (Output_section::starting_output_address): Likewise.
9250         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
9251         parameter to Sized_relobj*.
9252         (Copy_relocs::need_copy_reloc): Likewise.
9253         (Copy_relocs::save): Likewise.
9254         * copy-relocs.h (class Copy_relocs): Update declarations.
9255         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
9256         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
9257         * target-reloc.h (relocate_for_relocatable): Change
9258         offset_in_output_section type to Elf_Addr.  Change code that uses
9259         it as well.
9260         * layout.cc (Layout::layout): Always set *off.
9261         * mapfile.cc (Mapfile::print_input_section): Use
9262         output_section_offset.
9263         * i386.cc (Target_i386::copy_reloc): Change object parameter to
9264         Sized_relobj*.
9265         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
9266         * sparc.cc (Target_sparc::copy_reloc): Likewise.
9267         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
9268
9269 2008-07-03  Ian Lance Taylor  <iant@google.com>
9270
9271         * layout.cc (Layout::include_section): Do not discard unrecognized
9272         SHT_STRTAB sections.
9273
9274 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
9275
9276         * script.cc (Lex::can_continue_name): Make '?' allowable in
9277         version-script names.
9278         * testsuite/version_script.map: Change glob pattern to use '?'
9279
9280 2008-06-30  Manish Singh  <yosh@gimp.org>
9281
9282         PR 6585
9283         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
9284         Correct typo.
9285
9286 2008-06-30  Ian Lance Taylor  <iant@google.com>
9287
9288         PR 6660
9289         PR 6682
9290         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
9291         versions]: Don't try to read the value in the contents, since we
9292         don't use it.  Use the template endianness when writing.
9293
9294 2008-06-25  Cary Coutant  <ccoutant@google.com>
9295
9296         * fileread.cc (File_read::make_view): Assert on zero-length view.
9297         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
9298         symbol table when there are no symbols to read.
9299
9300 2008-06-23  Craig Silverstein  <csilvers@google.com>
9301
9302         * version.cc (version_string): Bump to 1.7
9303
9304 2008-06-18  Craig Silverstein  <csilvers@google.com>
9305
9306         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
9307         constant 0xFFFF to type Valtype.
9308         (Powerpc_relocate_functions::rel16_ha): Likewise.
9309
9310 2008-06-17  Ian Lance Taylor  <iant@google.com>
9311
9312         * output.h (Output_section::Input_section): Initialize p2align_ to
9313         zero for Output_section_data constructors.
9314         (Output_section::Input_section::addralign): If not an input
9315         section, return the alignment of the Output_section_data.
9316         * testsuite/copy_test.cc: New file.
9317         * testsuite/copy_test_1.cc: New file.
9318         * testsuite/copy_test_2.cc: New file.
9319         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
9320         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
9321         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
9322         (copy_test_1_pic.o, copy_test_1.so): New targets.
9323         (copy_test_2_pic.o, copy_test_2.so): New targets.
9324         * testsuite/Makefile.in: Rebuild.
9325
9326         * script-sections.cc (Script_sections::place_orphan): Initialize
9327         local variable exact.
9328
9329 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
9330
9331         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
9332
9333 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
9334             David S. Miller  <davem@davemloft.net>
9335
9336         * powerpc.cc: New file.
9337         * Makefile.am (TARGETSOURCES): Add powerpc.cc
9338         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
9339         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
9340         * Makefile.in: Rebuild.
9341
9342 2008-06-09  Ian Lance Taylor  <iant@google.com>
9343
9344         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
9345         <exception>.
9346         (throwing, orig_terminate): New static variables.
9347         (terminate_handler): New static function.
9348         (t2): Set terminate handler.
9349
9350 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
9351
9352         PR 6584
9353         * binary.cc (Binary_to_elf::sized_convert): Fix .data
9354         alignment.
9355
9356 2008-05-30  Cary Coutant  <ccoutant@google.com>
9357
9358         * archive.cc (Archive::include_all_members) Correct to step
9359         over symbol table and extended name table in thin archives.
9360
9361 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
9362
9363         PR 6407
9364         * target-reloc.h (relocate_for_relocatable): Fix new_offset
9365         calculation.
9366
9367 2008-05-28  Caleb Howe  <cshowe@google.com>
9368
9369         * reduced_debug_output.cc: New file.
9370         * reduced_debug_output.h: New file.
9371         * options.h (class General_options): Add --strip-debug-non-line.
9372         * options.cc (General_options::finalize): Add strip_debug_non_line
9373         to the strip heirarchy.
9374         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
9375         fields.
9376         * layout.cc: Include "reduced_debug_output.h".
9377         (Layout::Layout): Initialize new fields.
9378         (line_only_debug_sections): New static array.
9379         (is_lines_only_debug_sections): New static inline function.
9380         (Layout::include_section): Handle --strip-debug-non-line.
9381         (Layout::make_output_section): If --strip-debug-non-line, build
9382         new output sections for .debug_abbrev and .debug_info.
9383         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
9384         gold.  Warn about possible overflow.
9385         (read_signed_LEB_128): Likewise.
9386         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
9387         (read_signed_LEB_128): Declare.
9388         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
9389         (HFILES): Add reduced_debug_output.h.
9390         * Makefile.in: Rebuild.
9391
9392 2008-05-21  Ian Lance Taylor  <iant@google.com>
9393
9394         * mapfile.cc: New file.
9395         * mapfile.h: New file.
9396         * options.h (class General_options): Add -M/--print-map and -Map.
9397         * options.cc (General_options::finalize): Make -M equivalent to
9398         -Map -.
9399         * main.cc: Include <cstdio> and "mapfile.h".
9400         (main): Open mapfile if requested.
9401         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
9402         constructor.  Change caller.
9403         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9404         (queue_middle_tasks): Likewise.
9405         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9406         declarations.
9407         * archive.cc: Include "mapfile.h".
9408         (Archive::add_symbols): Add mapfile parameter.  Change all
9409         callers.  Pass mapfile, symbol, and reason to include_member.
9410         (Archive::include_all_members): Add mapfile parameter.  Change all
9411         callers.
9412         (Archive::include_member): Add mapfile, sym, and why parameters.
9413         Change all callers.  Report inclusion to map file.
9414         * archive.h: Include "fileread.h".
9415         (class Archive): Update declarations.
9416         (Archive::file): New const method.
9417         (class Add_archive_symbols): Add mapfile_ field.  Update
9418         constructor.  Change all callers.
9419         * readsyms.h (class Read_symbols): Likewise.
9420         (class Finish_group): Likewise.
9421         (class Read_script): Likewise.
9422         * common.cc: Include "mapfile.h".
9423         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9424         all callers.
9425         (Symbol_table::do_allocate_commons): Likewise.
9426         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9427         symbol allocation to mapfile.
9428         * common.h (class Allocate_commons_task): Add mapfile_ field.
9429         Update constructor.  Change all callers.
9430         * symtab.h (class Symbol_table): Update declarations.
9431         * layout.cc: Include "mapfile.h".
9432         (Layout_task_runner::run): Print information to mapfile.
9433         (Layout::create_gold_note): Change Output_data_fixed_space to
9434         Output_data_zero_fill.
9435         (Layout::create_build_id): Likewise.
9436         (Layout::print_to_mapfile): New function.
9437         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9438         constructor.  Change caller.
9439         (class Layout): Declare print_to_mapfile.
9440         * output.cc (Output_section::Input_section::print_to_mapfile): New
9441         function.
9442         (Output_section::add_input_section): If producing a map, always
9443         add to input_sections_ list.
9444         (Output_section::do_print_to_mapfile): New function.
9445         (Output_segment::print_sections_to_mapfile): New function.
9446         (Output_segment::print_section_list_to_mapfile): New function.
9447         * output.h: Include "mapfile.h".
9448         (Output_data::print_to_mapfile): New function.
9449         (Output_data::do_print_to_mapfile): New virtual function.
9450         (Output_segment_headers::do_print_to_mapfile): New function.
9451         (Output_file_header::do_print_to_mapfile): New function.
9452         (Output_data_const::do_print_to_mapfile): New function.
9453         (class Output_data_const_buffer): Add map_name_ field.  Update
9454         constructor.  Change all callers.  Add do_print_to_mapfile
9455         function.
9456         (class Output_data_fixed_space): Likewise.
9457         (class Output_data_space): Likewise.
9458         (class Output_data_zero_fill): New class.
9459         (Output_data_strtab::do_print_to_mapfile): New function.
9460         (Output_data_reloc_base::do_print_to_mapfile): New function.
9461         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9462         (Output_data_group::do_print_to_mapfile): New function.
9463         (Output_data_got::do_print_to_mapfile): New function.
9464         (Output_data_dynamic::do_print_to_mapfile): New function.
9465         (Output_symtab_xindex::do_print_to_mapfile): New function.
9466         (class Output_section): Declare do_print_to_mapflie.  Declare
9467         print_to_mapfile in Input_section.
9468         (class Output_segment): Declare new functions.
9469         * object.h (Sized_relobj::symbol_count): New function.
9470         * script-sections.cc
9471         (Output_section_element_dot_assignment::set_section_addresses):
9472         Change Output_data_fixed_space to Output_data_zero_fill.
9473         (Output_data_expression::do_print_to_mapfile): New function.
9474         * script.cc (read_input_script): Add mapfile parameter.  Change
9475         all callers.
9476         * script.h (read_input_script): Update declaration.
9477         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9478         (Eh_frame::do_print_to_mapfile): New function.
9479         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9480         (Output_merge_string::do_print_to_mapfile): New function.
9481         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9482         function.
9483         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9484         function.
9485         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9486         function.
9487         * Makefile.am (CCFILES): Add mapfile.cc.
9488         (HFILES): Add mapfile.h.
9489         * Makefile.in: Rebuild.
9490
9491 2008-05-19  Ian Lance Taylor  <iant@google.com>
9492
9493         * options.h (class General_options): Add -z relro.
9494         * layout.cc (Layout::Layout): Initialize relro_segment_.
9495         (Layout::add_output_section_data): Return the output section.
9496         (Layout::make_output_section): Rcognize relro sections and mark
9497         them appropriately.
9498         (Layout::attach_allocated_section_to_segment): Put relro sections
9499         in a PT_GNU_RELRO segment.
9500         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9501         section as relro.
9502         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9503         PT_TLS segments.
9504         (Layout::linkonce_mapping): Map d.rel.ro.local to
9505         .data.rel.ro.local.
9506         (Layout::output_section_name): Us .data.rel.ro.local for any
9507         section which begins with that.
9508         * layout.h (class Layout): Update add_output_section_data
9509         declaration.  Add relro_segment_ field.
9510         * output.cc (Output_section::Output_section): Initialize is_relro_
9511         and is_relro_local_ fields.
9512         (Output_segment::add_output_section): Group relro sections.
9513         (Output_segment::is_first_section_relro): New function.
9514         (Output_segment::maximum_alignment): If there is a relro section,
9515         align the segment to the common page size.
9516         (Output_segment::set_section_addresses): Track whether we are
9517         looking at relro sections.  If the last section is a relro
9518         section, align to the common page size.
9519         (Output_segment::set_section_list_addresses): Add in_relro
9520         parameter.  Change all callers.  Align to the page size when
9521         moving from relro to non-relro section.
9522         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9523         segment.
9524         * output.h (class Output_section): Add is_relro_ and
9525         is_relro_local_ fields.
9526         (Output_section::is_relro): New function.
9527         (Output_section::set_is_relro): New function.
9528         (Output_section::is_relro_local): New function.
9529         (Output_section::set_is_relro_local): New function.
9530         (class Output_segment): Update declarations.
9531         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9532         * sparc.cc (Target_sparc::got_section): Likewise.
9533         * x86_64.cc (Target_x86_64::got_section): Likewise.
9534         * testsuite/relro_test_main.cc: New file.
9535         * testsuite/relro_test.cc: New file.
9536         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9537         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9538         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9539         (relro_test.so, relro_test_pic.o): New targets.
9540         * testsuite/Makefile.in: Rebuild.
9541
9542 2008-05-16  Ian Lance Taylor  <iant@google.com>
9543
9544         * output.cc (Output_segment::add_output_section): Remove front
9545         parameter.
9546         * output.h (class Output_segment): Remove
9547         add_initial_output_section and overloaded add_output_section.
9548         Update declaration of remaining add_output_section.
9549         * layout.cc (Layout::create_interp): Call add_output_section
9550         rather than add_initial_output_section.
9551         (Layout::finish_dynamic_section): Likewise.
9552
9553         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9554         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9555         know the dynamic type.
9556         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9557         field.  Initialize it in constructor.
9558         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9559         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9560         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9561         reloc.
9562
9563         * output.cc (Output_reloc::get_address): Change return type to
9564         Elf_Addr.
9565         * output.h (class Output_reloc): Update get_address declaration.
9566         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9567         for section addresses.
9568
9569 2008-05-09  Ian Lance Taylor  <iant@google.com>
9570
9571         PR 6493
9572         * gold.cc (gold_nomem): Use return value of write.
9573
9574 2008-05-08  Ian Lance Taylor  <iant@google.com>
9575
9576         * symtab.c (Symbol::init_base_output_data): Add version
9577         parameter.  Change all callers.
9578         (Symbol::init_base_output_segment): Likewise.
9579         (Symbol::init_base_constant): Likewise.
9580         (Symbol::init_base_undefined): Likewise.
9581         (Sized_symbol::init_output_data): Likewise.
9582         (Sized_symbol::init_output_segment): Likewise.
9583         (Sized_symbol::init_constant): Likewise.
9584         (Sized_symbol::init_undefined): Likewise.
9585         (Symbol_table::do_define_in_output_data): If the new symbol has a
9586         version, mark it as the default.
9587         (Symbol_table::do_define_in_output_segment): Likewise.
9588         (Symbol_table::do_define_as_constant): Likewise.
9589         * symtab.h (class Symbol): Update declarations.
9590         (class Sized_symbol): Likewise.
9591         * resolve.cc (Symbol::override_version): New function.
9592         (Symbol::override_base): Call override_version.
9593         (Symbol::override_base_with_special): Likewise.
9594         * testsuite/ver_script_8.script: New file.
9595         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9596         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9597         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9598         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9599
9600 2008-05-06  Ian Lance Taylor  <iant@google.com>
9601
9602         PR 6049
9603         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9604         functions.
9605         (class General_options): Remove existing --undefined, and add
9606         --no-undefined instead.  Add new --undefined as synonym for -u.
9607         * archive.cc (Archive::add_symbols): Check whether symbol was
9608         named with -u.
9609         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9610         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9611         all uses.  Add IS_UNDEFINED.  Update declarations to split
9612         different versions of init_base.  Declare init_base_undefined.
9613         (Symbol::is_defined): Handle IS_UNDEFINED.
9614         (Symbol::is_undefined): Likewise.
9615         (Symbol::is_weak_undefined): Call is_undefined.
9616         (Symbol::is_absolute): Handle IS_CONSTANT.
9617         (class Sized_symbol): Update declarations to split different
9618         versions of init.  Declare init_undefined.
9619         (class Symbol_table): Declare new functions.
9620         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9621         Change all callers.
9622         (Symbol::init_base_output_data): Likewise.
9623         (Symbol::init_base_output_segment): Likewise.
9624         (Symbol::init_base_constant): Likewise.
9625         (Symbol::init_base_undefined): New function.
9626         (Sized_symbol::init_object): Rename from init.  Change all
9627         callers.
9628         (Sized_symbol::init_output_data): Likewise.
9629         (Sized_symbol::init_output_segment): Likewise.
9630         (Sized_symbol::init_constant): Likewise.
9631         (Sized_symbol::init_undefined): New function.
9632         (Symbol_table::add_undefined_symbols_from_command_line): New
9633         function.
9634         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9635         function.
9636         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9637         (Symbol::output_section): Likewise.
9638         (Symbol::set_output_section): Likewise.
9639         (Symbol_table::sized_finalize_symbol): Likewise.
9640         (Symbol_table::sized_write_globals): Likewise.
9641         * resolve.cc (Symbol_table::should_override): Likewise.
9642         (Symbol::override_base_with_special): Likewise.
9643
9644         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9645         symbol, change it to have default visibility.
9646         * testsuite/protected_1.cc: New file.
9647         * testsuite/protected_2.cc: New file.
9648         * testsuite/protected_3.cc: New file.
9649         * testsuite/protected_main_1.cc: New file.
9650         * testsuite/protected_main_2.cc: New file.
9651         * testsuite/protected_main_3.cc: New file.
9652         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9653         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9654         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9655         (protected_1.so): New target.
9656         (protected_1_pic.o, protected_2_pic.o): New targets.
9657         (protected_3_pic.o): New target.
9658         (check_PROGRAMS): Add protected_2.
9659         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9660         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9661         * testsuite/Makefile.in: Rebuild.
9662
9663         * options.h (DEFINE_var): Add set_user_set_##varname__.
9664         (DEFINE_bool_alias): New macro.
9665         (class General_options): Define -Bstatic using DEFINE_bool_alias
9666         rather than DEFINE_special.  Add --undefined as an alias for -z
9667         defs.
9668         * options.cc (General_options::parse_Bstatic): Remove.
9669
9670         * options.h (class General_options): Add --fatal-warnings.
9671         * main.cc (main): Implement --fatal-warnings.
9672         * errors.h (Errors::warning_count): New function.
9673
9674         * options.h (class General_options): Add -Bsymbolic-functions.
9675         * symtab.h (Symbol::is_preemptible): Check for
9676         -Bsymbolic-functions.
9677
9678 2008-05-05  Ian Lance Taylor  <iant@google.com>
9679
9680         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9681         as noVARNAME rather than no-VARNAME.
9682         (class General_options): Add option -z combreloc.
9683         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9684         get_address.
9685         (Output_reloc::sort_before) [SHT_REL]: New function.
9686         (Output_reloc::sort_before) [SHT_RELA]: New function.
9687         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9688         Sort_relocs_comparison.
9689         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9690         parameter.  Change all callers.
9691         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9692         sort_relocs parameter.  Change all callers.
9693         * output.cc (Output_reloc::get_address): New function, broken out
9694         of write_rel.
9695         (Output_reloc::write_rel): Call it.
9696         (Output_reloc::compare): New function.
9697         (Output_data_reloc_base::do_write): Optionally sort relocs.
9698
9699         * configure.ac: If targ_extra_obj is set, link it in.
9700         * configure.tgt: Initialize all variables.
9701         (x86_64*): Set targ_extra_obj and targ_extra_size.
9702         * configure: Rebuild.
9703
9704         * object.cc (Sized_relobj::include_section_group): Adjust section
9705         indexes read from group data.  Build vector to pass to
9706         layout_group.
9707         * layout.cc (Layout::layout_group): Add flags and shndxes
9708         parameters.  Remove contents parameter.  Change caller.  Update
9709         explicit instantiations.
9710         * layout.h (class Layout): Update layout_group declaration.
9711         * output.cc (Output_data_group::Output_data_group): Add flags and
9712         input_shndxes parameters.  Remove contents parameter.  Change
9713         caller.
9714         (Output_data_group::do_write): Change input_sections_ to
9715         input_shndxes_.
9716         * output.h (class Output_data_group): Update constructor
9717         declaration.  Rename input_sections_ to input_shndxes_.
9718         * testsuite/many_sections_test.cc: Add template.
9719
9720 2008-04-30  Cary Coutant  <ccoutant@google.com>
9721
9722         * target-reloc.h (relocate_section): Fix dead-pointer bug.
9723
9724         * layout.cc (Layout::include_section): Refactored check for debug
9725         info section.
9726         (Layout::add_comdat): Add new parameters.  Change type
9727         of signature parameter.  Add object and shndx to signatures table.
9728         (Layout::find_kept_object): New function.
9729         * layout.h: Include <cstring>.
9730         (Layout::is_debug_info_section): New function.
9731         (Layout::add_comdat): Add new parameters.
9732         (Layout::find_kept_object): New function.
9733         (Layout::Kept_section): New struct.
9734         (Layout::Signatures): Change type of map range.
9735         * object.cc (Relobj::output_section_address): New function.
9736         (Sized_relobj::include_section_group): Add new parameters.  Change
9737         calls to Layout::add_comdat.  Change to build table of kept comdat
9738         groups and table mapping discarded sections to kept sections.
9739         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
9740         (Sized_relobj::do_layout): Change calls to include_section_group and
9741         include_linkonce_section.
9742         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
9743         value to zero when section is discarded.
9744         (Sized_relobj::map_to_kept_section): New function.
9745         * object.h (Relobj::output_section_address): New function.
9746         (Relobj::Comdat_group): New type.
9747         (Relobj::find_comdat_group): New function.
9748         (Relobj::Comdat_group_table): New type.
9749         (Relobj::Kept_comdat_section): New type.
9750         (Relobj::Kept_comdat_section_table): New type.
9751         (Relobj::add_comdat_group): New function.
9752         (Relobj::set_kept_comdat_section): New function.
9753         (Relobj::get_kept_comdat_section): New function.
9754         (Relobj::comdat_groups_): New field.
9755         (Relobj::kept_comdat_sections_): New field.
9756         (Symbol_value::input_value): Update comment.
9757         (Sized_relobj::map_to_kept_section) New function.
9758         (Sized_relobj::include_linkonce_section): Add new parameter.
9759         * target-reloc.h (Comdat_behavior): New type.
9760         (get_comdat_behavior): New function.
9761         (relocate_section): Add code to map a discarded section to the
9762         corresponding kept section when applying a relocation.
9763
9764 2008-04-30  Craig Silverstein  <csilvers@google.com>
9765
9766         * dwarf_reader.cc (next_generation_count): New static var.
9767         (Addr2line_cache_entry): New struct.
9768         (addr2line_cache): New static var.
9769         (Dwarf_line_info::one_addr2line): Added caching.
9770         (Dwarf_line_info::clear_addr2line_cache): New function.
9771         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
9772         cache-size parameter.
9773         (Dwarf_line_info::one_addr2line_cache): New function.
9774         * symtab.cc (Symbol_table::detect_odr_violations): Pass
9775         new cache-size argument to one_addr2line(), and clear cache.
9776
9777 2008-04-28  Cary Coutant  <ccoutant@google.com>
9778
9779         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
9780         R_386_PC8 relocations.
9781
9782 2008-04-23  Ian Lance Taylor  <iant@google.com>
9783
9784         * object.cc (Sized_relobj::include_section_group): Check for
9785         invalid section group.
9786
9787         * object.cc (make_elf_object): Correct test for 64-bit ELF file
9788         header size.
9789
9790         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
9791         than read for file header.
9792         * archive.cc (Archive::include_member): Likewise.
9793
9794 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
9795
9796         * aclocal.m4: Regenerate.
9797         * configure: Regenerate.
9798
9799 2008-04-19  Ian Lance Taylor  <iant@google.com>
9800
9801         * version.cc (version_string): Bump to 1.6.
9802
9803         * testsuite/Makefile.am (many_sections_r_test): New target.
9804         (many_sections_r_test_SOURCES): Remove.
9805         (many_sections_r_test_DEPENDENCIES): Remove.
9806         (many_sections_r_test_LDFLAGS): Remove.
9807         (many_sections_r_test_LDADD): Remove.
9808
9809         * object.cc (Sized_relobj::do_add_symbols): Always pass
9810         local_symbol_count_ to add_from_relobj.
9811
9812         * testsuite/Makefile.am (many_sections_check.h): Only check one in
9813         every thousand variables.
9814         * testsuite/Makefile.in: Rebuild.
9815
9816         * object.cc (Xindex::initialize_symtab_xindex): New function.
9817         (Xindex::read_symtab_xindex): New function.
9818         (Xindex::sym_xindex_to_shndx): New function.
9819         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
9820         available.
9821         (Sized_relobj::do_initialize_xindex): New function.
9822         (Sized_relobj::do_read_symbols): Adjust section links.
9823         (Sized_relobj::symbol_section_and_value): Add is_ordinary
9824         parameter.  Change all callers.
9825         (Sized_relobj::include_section_group): Adjust section links and
9826         symbol section indexes.
9827         (Sized_relobj::do_layout): Adjust section links.
9828         (Sized_relobj::do_count_local_symbols): Adjust section links and
9829         symbol section indexes.
9830         (Sized_relobj::do_finalize_local_symbols): Distinguish between
9831         ordinary and special symbols.
9832         (Sized_relobj::write_local_symbols): Add symtab_xindex and
9833         dynsym_xindex parameters.  Change all callers.  Adjust section
9834         links.  Use SHN_XINDEX when needed.
9835         (Sized_relobj::get_symbol_location_info): Adjust section links.
9836         Don't get fooled by special symbols.
9837         * object.h (class Xindex): Define.
9838         (class Object): Add xindex_ parameter.  Declare virtual functoin
9839         do_initialize_xindex.
9840         (Object::adjust_sym_shndx): New function.
9841         (Object::set_xindex): New protected function.
9842         (class Symbol_value): Add is_ordinary_shndx_ field.
9843         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
9844         (Symbol_value::value): Assert ordinary section.
9845         (Symbol_value::initialize_input_to_output_map): Likewise.
9846         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
9847         Change all callers.
9848         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
9849         all callers.
9850         (class Sized_relobj): Update declarations.
9851         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
9852         parameter.  Change all callers.
9853         (Sized_relobj::adjust_shndx): New function.
9854         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
9855         field.
9856         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
9857         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
9858         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
9859         (Sized_dynobj::read_dynsym_section): Adjust section links.
9860         (Sized_dynobj::read_dynamic): Likewise.
9861         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
9862         section links.
9863         (Sized_dynobj::do_initialize_xindex): New function.
9864         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
9865         do_initialize_xindex.
9866         (Sized_dynobj::adjust_shndx): New function.
9867         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
9868         dynsym_xindex_ fields.
9869         (Layout::finalize): Add a call to set_section_indexes before
9870         creating the symtab sections.
9871         (Layout::set_section_indexes): Don't do anything if the section
9872         already has a section index.
9873         (Layout::create_symtab_sections): Add shnum parameter.  Change
9874         caller.  Create .symtab_shndx section if needed.
9875         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
9876         caller.
9877         (Layout::allocated_output_section_count): New function.
9878         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
9879         needed.
9880         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
9881         fields.  Update declarations.
9882         (Layout::symtab_xindex): New function.
9883         (Layout::dynsym_xindex): New function.
9884         (class Write_symbols_task): Add layout_ field.
9885         (Write_symbols_task::Write_symbols_task): Add layout parameter.
9886         Change caller.
9887         * output.cc (Output_section_headers::Output_section_headers): Add
9888         shstrtab_section parameter.  Change all callers.
9889         (Output_section_headers::do_sized_write): Store overflow values
9890         for section count and section string table section index in
9891         section header zero.
9892         (Output_file_header::do_sized_write): Check for overflow of
9893         section count and section string table section index.
9894         (Output_symtab_xindex::do_write): New function.
9895         (Output_symtab_xindex::endian_do_write): New function.
9896         * output.h (class Output_section_headers): Add shstrtab_section_.
9897         Update declarations.
9898         (class Output_symtab_xindex): Define.
9899         (Output_section::has_out_shndx): New function.
9900         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
9901         field.
9902         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
9903         Change all callers.
9904         (Sized_symbol::init): Likewise.
9905         (Symbol::output_section): Check for ordinary symbol.
9906         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
9907         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
9908         callers.
9909         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
9910         Change all callers.  Simplify handling of symbols from sections
9911         not included in the link.
9912         (Symbol_table::add_from_dynobj): Handle ordinary symbol
9913         distinction.
9914         (Weak_alias_sorter::operator()): Assert that symbols are
9915         ordinary.
9916         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
9917         distinction.
9918         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
9919         parameters.  Change all callers.
9920         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
9921         symbol distinction.  Use SHN_XINDEX when needed.
9922         (Symbol_table::write_section_symbol): Add symtab_xindex
9923         parameter.  Change all callers.
9924         (Symbol_table::sized_write_section_symbol): Likewise.  Use
9925         SHN_XINDEX when needed.
9926         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
9927         declarations.
9928         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
9929         (Symbol::is_defined): Check is_ordinary.
9930         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
9931         (Symbol::is_absolute, Symbol::is_common): Likewise.
9932         (class Sized_symbol): Update declarations.
9933         (class Symbol_table): Update declarations.
9934         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
9935         parameters.  Change all callers.
9936         (Sized_symbol::override): Likewise.
9937         (Symbol_table::override): Likewise.
9938         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
9939         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
9940         is_ordinary, and orig_st_shndx parameters.  Change all callers.
9941         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
9942         to be in an ordinary section.
9943         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
9944         object and is_ordinary parameters.  Change all callers.
9945         (Sized_dwarf_line_info::read_relocs): Add object parameter.
9946         Change all callers.  Don't add undefined or non-ordinary symbols
9947         to reloc_map_.
9948         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
9949         Change all callers.
9950         * dwarf_reader.h (class Sized_dwarf_line_info): Update
9951         declarations.
9952         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
9953         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
9954         (Sized_relobj::relocate_sections): Likewise.
9955         * target-reloc.h (scan_relocs): Adjust section symbol index.
9956         (scan_relocatable_relocs): Likewise.
9957         * i386.cc (Scan::local): Check for ordinary symbols.
9958         * sparc.cc (Scan::local): Likewise.
9959         * x86_64.cc (Scan::local): Likewise.
9960         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
9961         to symbol_section_and_value.
9962         * testsuite/many_sections_test.cc: New file.
9963         * testsuite/Makefile.am (BUILT_SOURCES): Define.
9964         (check_PROGRAMS): Add many_sections_test.
9965         (many_sections_test_SOURCES): Define.
9966         (many_sections_test_DEPENDENCIES): Define.
9967         (many_sections_test_LDFLAGS): Define.
9968         (BUILT_SOURCES): Add many_sections_define.h.
9969         (many_sections_define.h): New target.
9970         (BUILT_SOURCES): Add many_sections_check.h.
9971         (many_sections_check.h): New target.
9972         (check_PROGRAMS): Add many_sections_r_test.
9973         (many_sections_r_test_SOURCES): Define.
9974         (many_sections_r_test_DEPENDENCIES): Define.
9975         (many_sections_r_test_LDFLAGS): Define.
9976         (many_sections_r_test_LDADD): Define.
9977         (many_sections_r_test.o): New target.
9978         * testsuite/Makefile.in: Rebuild.
9979
9980 2008-04-17  Cary Coutant  <ccoutant@google.com>
9981
9982         * errors.cc (Errors::info): New function.
9983         (gold_info): New function.
9984         * errors.h (Errors::info): New function.
9985         * gold.h (gold_info): New function.
9986         * object.cc (Input_objects::add_object): Print trace output.
9987         * options.cc (options::parse_set): New function.
9988         (General_options::parse_wrap): Deleted.
9989         (General_options::General_options): Deleted initializer.
9990         * options.h (options::String_set): New typedef.
9991         (options::parse_set): New function.
9992         (DEFINE_set): New macro.
9993         (General_options::wrap): Changed to use DEFINE_set. Changed
9994         callers of any_wrap_symbols and is_wrap_symbol.
9995         (General_options::trace, General_options::trace_symbol):
9996         New options.
9997         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
9998         (General_options::wrap_symbols_): Deleted.
9999         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10000
10001 2008-04-17  David S. Miller  <davem@davemloft.net>
10002
10003         * options.cc (General_options::parse_V): New function.
10004         * options.h: Add entries for -V and -Qy.
10005
10006 2008-04-17  Ian Lance Taylor  <iant@google.com>
10007
10008         * common.cc (Symbol_table::allocate_commons): Remove options
10009         parameter.  Change caller.
10010         (Symbol_table::do_allocate_commons): Remove options parameter.
10011         Change caller.  Just call do_allocate_commons_list twice.
10012         (Symbol_table::do_allocate_commons_list): New function, broken out
10013         of do_allocate_commons.
10014         * common.h (class Allocate_commons_task): Remove options_ field.
10015         Update constructor.
10016         * symtab.cc (Symbol_table::Symbol_table): Initialize
10017         tls_commons_.
10018         (Symbol_table::add_from_object): Put TLS common symbols on
10019         tls_commons_ list.
10020         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10021         which are IN_OUTPUT_DATA.
10022         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10023         allocate_commons and do_allocate_commons declarations.  Declare
10024         do_allocate_commons_list.
10025         * gold.cc (queue_middle_tasks): Update creation of
10026         Allocate_commons_task to not pass options.
10027         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10028         (TLS_TEST_C_FLAGS): New variable.
10029         (tls_test_c_pic.o): New target.
10030         (tls_test_shared.so): Link in tls_test_c_pic.o.
10031         (tls_test_c_pic_ie.o): New target.
10032         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10033         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10034         (tls_test_c.o): New target.
10035         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10036         (tls_pic_test_LDADD): Likewise.
10037         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10038         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10039         (tls_test_c_gnu2.o): New target.
10040         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10041         tls_test_c_gnu2.o.
10042         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10043         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10044         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10045         * testsuite/tls_test.cc: Include "config.h".
10046         (t_last): Call t11_last.
10047         * testsuite/tls_test.h (t11, t11_last): Declare.
10048         * testsuite/tls_test_c.c: New file.
10049         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10050         * configure.ac: Check for OpenMP support.
10051         * configure, config.in, Makefile.in: Rebuild.
10052         * testsuite/Makefile.in: Rebuild.
10053
10054 2008-04-16  Cary Coutant  <ccoutant@google.com>
10055
10056         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10057         (Target_i386::tls_base_symbol_defined_): New field.
10058         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10059         (Target_i386::Scan::global): Likewise.
10060         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10061         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10062         (Target_x86_64::tls_base_symbol_defined_): New field.
10063         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10064         (Target_x86_64::Scan::global): Likewise.
10065
10066 2008-04-16  Cary Coutant  <ccoutant@google.com>
10067
10068         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10069         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10070         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10071         building shared libraries.
10072         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10073         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10074         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10075         * testsuite/Makefile.in: Rebuild.
10076         * testsuite/weak_undef.h: New file.
10077         * testsuite/weak_undef_file1.cc: Add extra test cases.
10078         * testsuite/weak_undef_file2.cc: Likewise.
10079         * testsuite/weak_undef_test.cc: Likewise.
10080
10081 2008-04-16  David S. Miller  <davem@davemloft.net>
10082
10083         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10084         Add issued_non_pic_error_ field.  Declare check_non_pic.
10085         (Target_sparc::Scan::check_non_pic): New function.
10086         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10087         (Target_sparc::Scan::global): Likewise.
10088
10089         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10090         * configure: Rebuild.
10091
10092         * options.h (DEFINE_enable): New macro.
10093         (new_dtags): New enable option.
10094         (initfirst, interpose, loadfltr, nodefaultlib,
10095         nodelete, nodlopen, nodump): New -z options.
10096         * layout.cc (Layout:finish_dynamic_section): If new
10097         dtags enabled, emit DT_RUNPATH.  Also, emit a
10098         DT_FLAGS_1 containing any specified -z flags.
10099
10100 2008-04-16  Ian Lance Taylor  <iant@google.com>
10101
10102         * copy-relocs.cc: New file.
10103         * copy-relocs.h: New file.
10104         * reloc.cc: Remove Copy_relocs code.
10105         * reloc.h: Likewise.
10106         * reloc-types.h (struct Reloc_types) [both versions]: Add
10107         get_reloc_addend_noerror.
10108         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10109         variants of add_global which take an addend which must be zero.
10110         * i386.cc: Include "copy-relocs.h".
10111         (class Target_i386): Change type of copy_relocs_ to variable,
10112         update initializer.
10113         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10114         Change all callers.
10115         (Target_i386::do_finalize_sections): Change handling of
10116         copy_relocs_.
10117         * sparc.cc: Include "copy-relocs.h".
10118         (class Target_sparc): Change type of copy_relocs_ to variable,
10119         update initializer.
10120         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10121         Change all callers.
10122         (Target_sparc::do_finalize_sections): Change handling of
10123         copy_relocs_.
10124         * x86_64.cc: Include "copy-relocs.h".
10125         (class Target_x86_64): Change type of copy_relocs_ to variable,
10126         update initializer.
10127         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10128         class.  Change all callers.
10129         (Target_x86_64::do_finalize_sections): Change handling of
10130         copy_relocs_.
10131         * Makefile.am (CCFILES): Add copy-relocs.cc.
10132         (HFILES): Add copy-relocs.h.
10133
10134         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10135
10136         * testsuite/script_test_4.sh: Permit leading zeroes.
10137
10138 2008-04-15  Ian Lance Taylor  <iant@google.com>
10139
10140         * script-sections.cc (Script_sections::create_segments): Use
10141         header_size_adjustment even when there is enough room for the
10142         headers.
10143         * testsuite/script_test_4.sh: New file.
10144         * testsuite/script_test_4.t: New file.
10145         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10146         (check_DATA): Add script_test_4.stdout.
10147         (MOSTLYCLEANFILES): Likewise.
10148         (script_test_4): New target.
10149         (script_test_4.stdout): New target.
10150         * testsuite/Makefile.in: Rebuild.
10151
10152         * sparc.cc: Add definitions for Output_data_plt_sparc class
10153         constants.
10154
10155 2008-04-14  David S. Miller  <davem@davemloft.net>
10156
10157         * sparc.cc: New file.
10158         * Makefile.am (TARGETSOURCES): Add sparc.cc
10159         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10160         * configure.tgt: Document targ_extra_size and
10161         targ_extra_big_endian.  Add entries for sparc-* and
10162         sparc64-*.
10163         * configure.ac: Handle targ_extra_size and
10164         targ_extra_big_endian.
10165         * Makefile.in: Rebuild.
10166         * configure: Likewise.
10167         * po/POTFILES.in: Likewise.
10168         * po/gold.pot: Likewise.
10169
10170 2008-04-14  Ian Lance Taylor  <iant@google.com>
10171
10172         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10173         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10174         in the name/type/flags to section mapping.  Don't call
10175         allocate_output_section.
10176         (Layout::choose_output_section): Change parameter from adjust_name
10177         to is_input_section.  Don't permit input sections after sections
10178         are attached to segments.  Don't call allocate_output_section.
10179         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10180         not write_enable_output_section.
10181         (Layout::make_output_section): Don't push to
10182         unattached_section_list_ nor call attach_to_segment.  Call
10183         attach_section_to_segment if sections are attached.
10184         (Layout::attach_sections_to_segments): New function.
10185         (Layout::attach_section_to_segment): New function.
10186         (Layout::attach_allocated_section_to_segment): Rename from
10187         attach_to_segment.  Remove flags parameter.
10188         (Layout::allocate_output_section): Remove function.
10189         (Layout::write_enable_output_section): Remove function.
10190         * layout.h (class Layout): Update for above changes.  Add new
10191         field sections_are_attached_.
10192         * output.h (Output_section::update_flags_for_input_section): New
10193         function.
10194         * output.cc (Output_section::add_input_section): Call
10195         update_flags_for_input_section.
10196         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10197
10198 2008-04-11  Cary Coutant  <ccoutant@google.com>
10199
10200         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10201         thought unnecessary.
10202         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10203
10204 2008-04-11  Ian Lance Taylor  <iant@google.com>
10205
10206         * output.h (class Output_section_data): Remove inline definition
10207         of set_addralign.
10208         * output.cc (Output_section_data::set_addralign): New function.
10209
10210 2008-04-11  Cary Coutant  <ccoutant@google.com>
10211
10212         Add support for TLS descriptors for i386 and x86_64.
10213         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10214         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10215         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10216         GOT_TYPE_TLS_DESC.
10217         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10218         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10219         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10220         relocations.
10221         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10222         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10223         Fix problem with initial-exec relocations.
10224         (Target_i386::Relocate::relocate_tls): Likewise.
10225         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10226         relaxation.
10227         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10228         support for section-plus-offset dynamic table entries.
10229         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10230         (Output_data_dynamic::Dynamic_entry): Add support for
10231         section-plus-offset dynamic table entries.
10232         (Output_data_dynamic::Classification): Likewise.
10233         (Output_data_dynamic::classification_): Renamed offset_.
10234         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10235         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10236         (Target_x86_64::make_plt_section): New function.
10237         (Target_x86_64::reserve_tlsdesc_entries): New function.
10238         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10239         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10240         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10241         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10242         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10243         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10244         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10245         add extra PLT entry for TLS descriptors.
10246         (Output_data_plt_x86_64::got_): New field.
10247         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
10248         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
10249         fields.
10250         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
10251         descriptors.
10252         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
10253         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
10254         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
10255         R_386_TLS_DESC_CALL relocations.
10256         (Target_x86_64::Scan::global): Likewise.
10257         (Target_x86_64::do_finalize_sections): Add dynamic table entries
10258         for TLS descriptors.
10259         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
10260         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
10261         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
10262         GD-to-IE relaxation.
10263         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
10264         and TLS_DESCRIPTORS.
10265         * Makefile.in: Rebuild.
10266         * configure: Rebuild.
10267         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
10268         (tls_test_shared2.so): New target.
10269         (tls_shared_gd_to_ie_test_SOURCES): New variable.
10270         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
10271         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
10272         (tls_shared_gd_to_ie_test_LDADD): New variable.
10273         (tls_shared_gnu2_gd_to_ie_test): New target.
10274         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
10275         New targets.
10276         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
10277         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
10278         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
10279         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
10280         (tls_shared_gnu2_test): New target.
10281         (tls_test_gnu2_shared.so): New target.
10282         (tls_shared_gnu2_test_SOURCES): New variable.
10283         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
10284         (tls_shared_gnu2_test_LDFLAGS): New variable.
10285         (tls_shared_gnu2_test_LDADD): New variable.
10286         * testsuite/Makefile.in: Rebuild.
10287         * testsuite/Makefile.
10288
10289 2008-04-11  Ian Lance Taylor  <iant@google.com>
10290
10291         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
10292         justsyms.t.
10293         * testsuite/Makefile.in: Rebuild.
10294
10295         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
10296         long.
10297         * testsuite/script_test_2.cc (main): Adjust test.
10298
10299 2008-04-11  David S. Miller  <davem@davemloft.net>
10300             Ian Lance Taylor  <iant@google.com>
10301
10302         * options.h (General_options): Add entries for '-Y' and
10303         '-relax'.
10304         * options.cc (General_options:finalize): If -Y was used, add those
10305         entries to the library path instead of the default "/lib" and
10306         "/usr/lib".
10307
10308 2008-04-11  David S. Miller  <davem@davemloft.net>
10309
10310         * testsuite/justsyms.t: Start at 0x100.
10311         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
10312         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
10313         long.
10314         * testsuite/script_test_2.cc: Adjust string and section length
10315         checks.
10316
10317 2008-04-09  Ian Lance Taylor  <iant@google.com>
10318
10319         PR gold/5996
10320         * script-sections.cc (Sections_element::allocate_to_segment): Add
10321         orphan parameter.
10322         (Output_section_definition::allocate_to_segment): Likewise.
10323         (Orphan_output_section::allocate_to_segment): Likewise.
10324         (Script_sections::attach_sections_using_phdrs_clause): Don't
10325         propagate non-PT_LOAD segments to orphan sections.
10326         * testsuite/Makefile.am (script_test_3.stdout): Generate using
10327         readelf rather than objdump.
10328         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
10329         .interp section and PT_INTERP segment are the same size.
10330         * testsuite/Makefile.in: Rebuild.
10331
10332         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
10333         aliases for symbols defined in the same object.
10334         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
10335         (weak_alias_test_SOURCES): New variable.
10336         (weak_alias_test_DEPENDENCIES): New variable.
10337         (weak_alias_test_LDFLAGS): New variable.
10338         (weak_alias_test_LDADD): New variable.
10339         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
10340         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
10341         (weak_alias_test_3.o): New target.
10342         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
10343         * testsuite/weak_alias_test_main.cc: New file.
10344         * testsuite/weak_alias_test_1.cc: New file.
10345         * testsuite/weak_alias_test_2.cc: New file.
10346         * testsuite/weak_alias_test_3.cc: New file.
10347
10348 2008-04-08  Ian Lance Taylor  <iant@google.com>
10349
10350         * options.h (class General_options): Add --noinhibit-exec option.
10351         * main.cc (main): Check --noinhibit-exec.
10352
10353         * options.h (class General_options): Define --wrap as a special
10354         option.  Add wrap_symbols_ field.
10355         (General_options::any_wrap_symbols): New function.
10356         (General_options::is_wrap_symbol): New function.
10357         * options.cc (General_options::parse_wrap): New function.
10358         (General_options::General_options): Initialize wrap_symbols_.
10359         * symtab.cc (Symbol_table::wrap_symbol): New function.
10360         (Symbol_table::add_from_object): Handle --wrap.
10361         * symtab.h (class Symbol_table): Declare wrap_symbol.
10362         * target.h (Target::wrap_char): New function.
10363         (Target::Target_info): Add wrap_char field.
10364         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
10365         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10366         * testsuite/testfile.cc (Target_test::test_target_info):
10367         Likewise.
10368
10369         * errors.cc (Errors::undefined_symbol): Mention symbol version if
10370         there is one.
10371
10372         * layout.h (class Layout): Add added_eh_frame_data_ field.
10373         * layout.cc (Layout::Layout): Initialize new field.
10374         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
10375         output section until we find a section we merged successfully.
10376         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
10377         that the size be non-zero.
10378
10379         * merge.cc (Object_merge_map::get_output_offset): Remove inline
10380         qualifier.
10381
10382 2008-04-08  Craig Silverstein  <csilvers@google.com>
10383
10384         * configure.ac: Export new conditional variable HAVE_ZLIB.
10385         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
10386         on HAVE_ZLIB.
10387         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
10388         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10389
10390 2008-04-07  Ian Lance Taylor  <iant@google.com>
10391
10392         * version.cc (version_string): Set to "1.5".
10393
10394         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
10395         Add issued_non_pic_error_ field.  Declare check_non_pic.
10396         (Target_x86_64::Scan::check_non_pic): New function.
10397         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
10398         (Target_x86_64::Scan::global): Likewise.
10399
10400         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
10401         addend parameter.  Change caller.  Handle merge sections.
10402         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
10403         Address to Addend.  Don't add in the result of
10404         local_section_offset, pass down the addend and use the returned
10405         value.
10406         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10407         Update declarations of local_section_offset and symbol_value.
10408         * testsuite/two_file_test_1.cc (t18): New function.
10409         * testsuite/two_file_test_2.cc (f18): New function.
10410         * testsuite/two_file_test_main.cc (main): Call t18.
10411         * testsuite/two_file_test.h (t18, f18): Declare.
10412
10413         * configure.ac: Don't test for objdump, c++filt, or readelf.
10414         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10415         conditionals.
10416         (TEST_READELF): New variable.
10417         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10418         (check_PROGRAMS): Add two_file_strip_test.
10419         (two_file_strip_test): New target.
10420         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10421         (two_file_same_shared_strip_test_SOURCES): New variable.
10422         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10423         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10424         (two_file_same_shared_strip_test_LDADD): New variable.
10425         (two_file_shared_strip.so): New target.
10426         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10427         (ver_test_5.syms, ver_test_7.syms): Likewise.
10428         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10429         (strip_test_3.stdout): Use TEST_OBJDUMP.
10430         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10431
10432 2008-04-04  Cary Coutant  <ccoutant@google.com>
10433
10434         * symtab.h (Symbol::is_weak_undefined): New function.
10435         (Symbol::is_strong_undefined): New function.
10436         (Symbol::is_absolute): New function.
10437         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10438         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10439         absolute symbols.
10440         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10441         (weak_undef_test): New target.
10442         * testsuite/Makefile.in: Rebuild.
10443         * testsuite/weak_undef_file1.cc: New file.
10444         * testsuite/weak_undef_file2.cc: New file.
10445         * testsuite/weak_undef_test.cc: New file.
10446
10447 2008-04-03  Craig Silverstein  <csilvers@google.com>
10448
10449         * compressed_output.h (class Output_compressed_section): Use
10450         unsigned buffer.
10451         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10452         add zlib header.
10453         (zlib_compressed_suffix): Removed.
10454         (Output_compressed_section::set_final_data_size): Use unsigned
10455         buffers.
10456         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10457         Fix linker invocation.
10458         (flagstest_o_specialfile_and_compress_debug_sections):
10459         Likewise.
10460         * testsuite/Makefile.in: Regenerated.
10461
10462 2008-04-02  David S. Miller  <davem@davemloft.net>
10463
10464         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10465         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10466
10467 2008-04-02  Craig Silverstein  <csilvers@google.com>
10468
10469         * TODO: New file.
10470
10471 2008-04-02  Ian Lance Taylor  <iant@google.com>
10472
10473         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10474         parameters.  Update for new key type to views_.  Change all
10475         callers.
10476         (File_read::read): Adjust for byteshift in returned view.
10477         (File_read::add_view): New function, broken out of
10478         find_and_make_view.
10479         (File_read::make_view): New function, broken out of
10480         find_and_make_view.
10481         (File_read::find_or_make_view): Add offset and aligned
10482         parameters.  Rewrite accordingly.  Change all callers.
10483         (File_read::get_view): Add offset and aligned parameters.  Adjust
10484         for byteshift in return value.
10485         (File_read::get_lasting_view): Likewise.
10486         * fileread.h (class File_read): Update declarations.
10487         (class File_read::View): Add byteshift_ field.  Add byteshift to
10488         constructor.  Add byteshift method.
10489         * archive.h (Archive::clear_uncached_views): New function.
10490         (Archive::get_view): Add aligned parameter.  Change all callers.
10491         * object.h (Object::get_view): Add aligned parameter.  Change all
10492         callers.
10493         (Object::get_lasting_view): Likewise.
10494
10495         * fileread.cc (File_read::release): Don't call clear_views if
10496         there are multiple objects.
10497         * fileread.h (File_read::clear_uncached_views): New function.
10498         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10499         on the archive.
10500
10501 2008-03-31  Cary Coutant  <ccoutant@google.com>
10502
10503         Add thin archive support.
10504         * archive.cc (Archive::armagt): New const.
10505         (Archive::setup): Remove task parameter and calls to unlock.
10506         (Archive::unlock_nested_archives): New function.
10507         (Archive::read_header): Add nested_off parameter. Change
10508         all callers.
10509         (Archive::interpret_header): Likewise.
10510         (Archive::include_all_members): Change to handle thin
10511         archives.
10512         (Archive::include_member): Likewise.
10513         * archive.h (Archive::Archive): Add new parameters and
10514         initializers.
10515         (Archive::armagt): New const.
10516         (Archive::setup): Remove task parameter.
10517         (Archive::unlock_nested_archives): New function.
10518         (Archive::read_header): Add nested_off parameter.
10519         (Archive::interpret_header): Likewise.
10520         (Archive::Nested_archive_table): New typedef.
10521         (Archive::is_thin_archive_): New field.
10522         (Archive::nested_archives_): New field.
10523         (Archive::options_): New field.
10524         (Archive::dirpath_): New field.
10525         (Archive::task_): New field.
10526         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10527         for thin archives.  Pass additional parameters to
10528         Archive::Archive.  Unlock the archive file after calling
10529         Archive::setup.
10530
10531 2008-03-29  Ian Lance Taylor  <iant@google.com>
10532
10533         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10534         version symbol to be local.
10535         * testsuite/ver_test_4.sh: New file.
10536         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10537         (check_DATA): Add ver_test_4.syms.
10538         (ver_test_4.syms): New target.
10539         * testsuite/Makefile.in: Rebuild.
10540
10541         * output.cc
10542         (Output_section::Input_section_sort_entry::has_priority): New
10543         function.
10544         (Output_section::Input_section_sort_entry::match_file_name): New
10545         function.
10546         (Output_section::Input_section_sort_entry::match_section_name):
10547         Remove.
10548         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10549         Remove.
10550         (Output_section::Input_section_sort_entry::match_section_file):
10551         Remove.
10552         (Output_section::Input_section_sort_compare::operator()): Rewrite
10553         using new Input_section_sort_entry functions.  Sort crtbegin and
10554         crtend first.  Sort sections with no priority before sections with
10555         a priority.
10556         * testsuite/initpri1.c (d3): Check j != 4.
10557         (cd5): New constructor/destructor function.
10558         (main): Check j != 2.
10559
10560         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10561         new symbol when resolving, don't call set_is_default.
10562         * testsuite/ver_test_7.cc: New file.
10563         * testsuite/ver_test_7.sh: New file.
10564         * testsuite/Makefile.am (ver_test_7.so): New target.
10565         (ver_test_7.o): New target.
10566         (check_SCRIPTS): Add ver_test_7.sh.
10567         (check_DATA): Add ver_test_7.syms.
10568         (ver_test_7.syms): New target.
10569
10570 2008-03-28  Ian Lance Taylor  <iant@google.com>
10571
10572         * layout.cc (Layout::layout): If we see an input section with a
10573         name that needs sorting, set the must_sort flag for the output
10574         section.
10575         (Layout::make_output_section): If the name of the output section
10576         indicates that it might require sorting, set the may_sort flag.
10577         * output.h (Output_section::may_sort_attached_input_sections): New
10578         function.
10579         (Output_section::set_may_sort_attached_input_sections): New
10580         function.
10581         (Output_section::must_sort_attached_input_sections): New
10582         function.
10583         (Output_section::set_must_sort_attached_input_sections): New
10584         function.
10585         (class Output_section): Declare Input_section_sort_entry.  Define
10586         Input_section_sort_compare.  Declare
10587         sort_attached_input_sections.  Add new fields:
10588         may_sort_attached_input_sections_,
10589         must_sort_attached_input_sections_,
10590         attached_input_sections_are_sorted_.
10591         * output.cc (Output_section::Output_section): Initialize new
10592         fields.
10593         (Output_section::add_input_section): Add an entry to
10594         input_sections_ if may_sort or must_sort are true.
10595         (Output_section::set_final_data_size): Call
10596         sort_attached_input_sections if necessary.
10597         (Output_section::Input_section_sort_entry): Define new class.
10598         (Output_section::Input_section_sort_compare::operator()): New
10599         function.
10600         (Output_section::sort_attached_input_sections): New function.
10601         * configure.ac: Check whether the compiler supports constructor
10602         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10603         * testsuite/initpri1.c: New file.
10604         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10605         CONSTRUCTOR_PRIORITY.
10606         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10607         (initpri1_LDFLAGS): New variable.
10608         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10609
10610 2008-03-27  Ian Lance Taylor  <iant@google.com>
10611
10612         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10613         * testsuite/common_test_1.c: New file.
10614         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10615         (common_test_1_SOURCES): New variable.
10616         (common_test_1_DEPENDENCIES): New variable.
10617         (common_test_1_LDFLAGS): New variable.
10618
10619         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10620         and commons_ correctly when NAME/VERSION does not override
10621         NAME/NULL.
10622         * testsuite/ver_test_6.c: New file.
10623         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10624         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10625         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10626
10627 2008-03-26  Ian Lance Taylor  <iant@google.com>
10628
10629         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10630         of an undefined symbol from a version script.
10631         * testsuite/Makefile.am (ver_test_5.so): New target.
10632         (ver_test_5.o): New target.
10633         (check_SCRIPTS): Add ver_test_5.sh.
10634         (check_DATA): Add ver_test_5.syms.
10635         (ver_test_5.syms): New target.
10636         * testsuite/ver_test_5.cc: New file.
10637         * testsuite/ver_test_5.script: New file.
10638         * testsuite/ver_test_5.sh: New file.
10639         * Makefile.in, testsuite/Makefile.in: Rebuild.
10640
10641         PR gold/5986
10642         Fix problems building gold with gcc 4.3.0.
10643         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10644         (gold_error_at_location, gold_warning_at_location): Use it.
10645         * configure.ac: Check whether we can compile and use a template
10646         function with a printf attribute.
10647         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10648         when jumping over bytes.
10649         * object.cc: Instantiate Object::read_section_data.
10650         * debug.h: Include <cstring>
10651         * dwarf_reader.cc: Include <algorithm>
10652         * main.cc: Include <cstring>.
10653         * options.cc: Include <cstring>.
10654         * output.cc: Include <cstring>.
10655         * script.cc: Include <cstring>.
10656         * script.h: Include <string>.
10657         * symtab.cc: Include <cstring> and <algorithm>.
10658         * target-select.cc: Include <cstring>.
10659         * version.cc: Include <string>.
10660         * testsuite/testmain.cc: Include <cstdlib>.
10661         * configure, config.in: Rebuild.
10662
10663 2008-03-25  Ian Lance Taylor  <iant@google.com>
10664
10665         * options.cc: Include "../bfd/bfdver.h".
10666         (options::help): Print bug reporting address.
10667
10668         * version.cc (print_version): Adjust output for current value of
10669         BFD_VERSION_STRING.
10670
10671         * NEWS: New file.
10672
10673         * options.cc (options::help): Print list of supported targets.
10674         * target-select.h: Include <vector>.
10675         (class Target_selector): Make machine_, size_, and is_big_endian_
10676         fields const.  Add bfd_name_ and instantiated_target_ fields.
10677         (Target_selector::Target_selector): Add bfd_name parameter.
10678         (Target_selector::recognize): Make non-virtual, call
10679         do_recognize.
10680         (Target_selector::recognize_by_name): Make non-virtual, call
10681         do_recognize_by_name.
10682         (Target_selector::supported_names): New function.
10683         (Target_selector::bfd_name): New function.
10684         (Target_selector::do_instantiate_target): New pure virtual
10685         function.
10686         (Target_selector::do_recognize): New virtual function.
10687         (Target_selector::do_recognize_by_name): New virtual function.
10688         (Target_selector::instantiate_target): New private function.
10689         (supported_target_names): Declare.
10690         * target-select.cc (Target_selector::Target_selector): Update for
10691         new parameter and fields.
10692         (select_target_by_name): Check that the name matches before
10693         calling recognize_by_name.
10694         (supported_target_names): New function.
10695         * i386.cc (class Target_selector_i386): Update Target_selector
10696         constructor call.  Remove recognize and recognize_by_name.  Add
10697         do_instantiate_target.
10698         * x86_64.cc (class Target_selector_x86_64): Likewise.
10699         * testsuite/testfile.cc (class Target_selector_test): Update for
10700         changes to Target_selector.
10701
10702         * README: Rewrite, with some notes on unsupported features.
10703
10704 2008-03-24  Cary Coutant  <ccoutant@google.com>
10705
10706         * i386.cc (Target_i386::Got_type): New enum declaration.
10707         (Target_i386::Scan::local): Updated callers of Output_data_got
10708         member functions.
10709         (Target_i386::Scan::global): Likewise.
10710         (Target_i386::Relocate::relocate): Likewise.
10711         (Target_i386::Relocate::relocate_tls): Likewise.
10712         * object.h (Got_offset_list): New class.
10713         (Sized_relobj::local_has_got_offset): Added got_type parameter.
10714         (Sized_relobj::local_got_offset): Likewise.
10715         (Sized_relobj::set_local_got_offset): Likewise.
10716         (Sized_relobj::local_has_tls_got_offset): Removed.
10717         (Sized_relobj::local_tls_got_offset): Removed.
10718         (Sized_relobj::set_local_tls_got_offset): Removed.
10719         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
10720         * output.cc (Output_data_got::add_global): Added got_type parameter.
10721         (Output_data_got::add_global_with_rel): Likewise.
10722         (Output_data_got::add_global_with_rela): Likewise.
10723         (Output_data_got::add_global_pair_with_rel): New function.
10724         (Output_data_got::add_global_pair_with_rela): New function.
10725         (Output_data_got::add_local): Added got_type parameter.
10726         (Output_data_got::add_local_with_rel): Likewise.
10727         (Output_data_got::add_local_with_rela): Likewise.
10728         (Output_data_got::add_local_pair_with_rel): New function.
10729         (Output_data_got::add_local_pair_with_rela): New function.
10730         (Output_data_got::add_global_tls): Removed.
10731         (Output_data_got::add_global_tls_with_rel): Removed.
10732         (Output_data_got::add_global_tls_with_rela): Removed.
10733         (Output_data_got::add_local_tls): Removed.
10734         (Output_data_got::add_local_tls_with_rel): Removed.
10735         (Output_data_got::add_local_tls_with_rela): Removed.
10736         * output.h (Output_data_got::add_global): Added got_type parameter.
10737         (Output_data_got::add_global_with_rel): Likewise.
10738         (Output_data_got::add_global_with_rela): Likewise.
10739         (Output_data_got::add_global_pair_with_rel): New function.
10740         (Output_data_got::add_global_pair_with_rela): New function.
10741         (Output_data_got::add_local): Added got_type parameter.
10742         (Output_data_got::add_local_with_rel): Likewise.
10743         (Output_data_got::add_local_with_rela): Likewise.
10744         (Output_data_got::add_local_pair_with_rel): New function.
10745         (Output_data_got::add_local_pair_with_rela): New function.
10746         (Output_data_got::add_global_tls): Removed.
10747         (Output_data_got::add_global_tls_with_rel): Removed.
10748         (Output_data_got::add_global_tls_with_rela): Removed.
10749         (Output_data_got::add_local_tls): Removed.
10750         (Output_data_got::add_local_tls_with_rel): Removed.
10751         (Output_data_got::add_local_tls_with_rela): Removed.
10752         * resolve.cc (Symbol::override_base_with_special): Removed
10753         reference to has_got_offset_ field.
10754         * symtab.cc (Symbol::init_fields): Replaced initialization
10755         of got_offset_ with got_offsets_.  Removed initialization
10756         of has_got_offset_
10757         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
10758         (Symbol::got_offset): Likewise.
10759         (Symbol::set_got_offset): Likewise.
10760         (Symbol::has_tls_got_offset): Removed.
10761         (Symbol::tls_got_offset): Removed.
10762         (Symbol::set_tls_got_offset): Removed.
10763         (Symbol::got_offset_): Removed.
10764         (Symbol::tls_mod_got_offset_): Removed.
10765         (Symbol::tls_pair_got_offset_): Removed.
10766         (Symbol::got_offsets_): New field.
10767         (Symbol::has_got_offset): Removed.
10768         (Symbol::has_tls_mod_got_offset): Removed.
10769         (Symbol::has_tls_pair_got_offset): Removed.
10770         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
10771         (Target_x86_64::Scan::local): Updated callers of Output_data_got
10772         member functions.
10773         (Target_x86_64::Scan::global): Likewise.
10774         (Target_x86_64::Relocate::relocate): Likewise.
10775         (Target_x86_64::Relocate::relocate_tls): Likewise.
10776
10777 2008-03-25  Ben Elliston  <bje@au.ibm.com>
10778
10779         * yyscript.y: Fix spelling error in comment.
10780
10781 2008-03-24  Ian Lance Taylor  <iant@google.com>
10782
10783         * options.h (class General_options): Define build_id option.
10784         * layout.h (class Layout): Declare write_build_id, create_note,
10785         create_build_id.  Add build_id_note_ member.
10786         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
10787         "libiberty.h", "md5.h", "sha1.h".
10788         (Layout::Layout): Initialize eh_frame_data_,
10789         eh_frame_hdr_section_, and build_id_note_.
10790         (Layout::finalize): Call create_build_id.
10791         (Layout::create_note): New function, broken out of
10792         Layout::create_gold_note.
10793         (Layout::create_gold_note): Call create_note.
10794         (Layout::create_build_id): New function.
10795         (Layout::write_build_id): New function.
10796         (Close_task_runner::run): Call write_build_id.
10797
10798         * x86_64.cc: Correct license to GPLv3.
10799
10800 2008-03-23  Ian Lance Taylor  <iant@google.com>
10801
10802         * options.cc: Include "demangle.h".
10803         (parse_optional_string): New function.
10804         (parse_long_option): Handle takes_optional_argument.
10805         (parse_short_option): Update dash_z initializer.  Handle
10806         takes_optional_argument.
10807         (General_options::General_options): Initialize do_demangle_.
10808         (General_options::finalize): Set do_demangle_.  Handle demangling
10809         style.
10810         * options.h (parse_optional_string): Declare.
10811         (struct One_option): Add optional_arg field.  Update constructor.
10812         Update call constructor calls.  Add takes_optional_argument
10813         function.
10814         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
10815         (DEFINE_optional_string): Define.
10816         (General_options::demangle): Change from DEFINE_bool to
10817         DEFINE_optional_string.
10818         (General_options::no_demangle): New function.
10819         (General_options::do_demangle): New function.
10820         (General_options::set_do_demangle): New function.
10821         (General_options::execstack_status_): Move definition to end of
10822         class definition.
10823         (General_options::static_): Likewise.
10824         (General_options::do_demangle_): New field.
10825         * object.cc (big_endian>::get_symbol_location_info): Call
10826         Options::do_demangle, not Options::demangle.
10827         * symtab.cc (demangle): Likewise.
10828
10829 2008-03-22  Ian Lance Taylor  <iant@google.com>
10830
10831         * gold.h: Include <cstddef> and <sys/types.h>
10832         * options.h: Include <cstring>.
10833
10834 2008-03-21  Ian Lance Taylor  <iant@google.com>
10835
10836         * Added source code to GNU binutils.