PR gold/12163
[external/binutils.git] / gold / ChangeLog
1 2011-06-02  Cary Coutant  <ccoutant@google.com>
2
3         PR gold/12163
4         * gold/archive.cc (Archive::Archive): Initialize new data member.
5         (Archive::include_all_members): Return if archive has already been
6         included.
7         * gold/archive.h (Archive::include_all_members_): New data member.
8
9 2011-06-02  Nick Clifton  <nickc@redhat.com>
10
11         * dynobj.h: Fix spelling mistake in comment.
12         * output.cc: Likewise.
13
14 2011-05-31  Doug Kwan  <dougkwan@google.com>
15             Asier Llano
16
17         PR gold/12826
18         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
19         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
20         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
21         redundant arm_exidx_test.so.
22         * testsuite/Makefile.in: Regenerate.
23         (check_SCRIPTS): Add pr12826.sh
24         (check_DATA): Add pr12826.stdout
25         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
26         * testsuite/pr12826.sh: New file.
27         * testsuite/pr12826_1.s: Ditto.
28         * testsuite/pr12826_1.s: Ditto.
29
30 2011-05-30  Ian Lance Taylor  <iant@google.com>
31
32         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
33         sections.
34
35 2011-05-29  Ian Lance Taylor  <iant@google.com>
36
37         PR gold/12804
38         * testsuite/Makefile.am: Use different file name for two_file_test
39         temporary file for each incremental test.
40         * testsuite/Makefile.in: Rebuild.
41
42 2011-05-29  Ian Lance Taylor  <iant@google.com>
43
44         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
45         binary input file is empty.
46
47 2011-05-27  Ian Lance Taylor  <iant@google.com>
48
49         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
50         (ver_test_9.so): Likewise.
51         * testsuite/Makefile.in: Rebuild.
52
53 2011-05-26 Cary Coutant  <ccoutant@google.com>
54
55         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
56         * incremental.cc (Incremental_inputs::report_input_section): Fix
57         comment, indentation.
58         (Incremental_inputs::report_comdat_group): New function.
59         (Output_section_incremental_inputs::set_final_data_size): Adjust size
60         of data for incremental input file entry.
61         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
62         group count, COMDAT group signatures.
63         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
64         an unchanged input file.
65         * incremental.h (Incremental_object_entry::Incremental_object_entry):
66         Initialize new data member.
67         (Incremental_object_entry::add_comdat_group): New function.
68         (Incremental_object_entry::get_comdat_group_count): New function.
69         (Incremental_object_entry::get_comdat_signature_key): New function.
70         (Incremental_object_entry::groups_): New data member.
71         (Incremental_inputs::report_comdat_group): New function.
72         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
73         data for incremental input file entry.
74         (Incremental_input_entry_reader::get_comdat_group_count): New function.
75         (Incremental_input_entry_reader::get_input_section): Adjust size of
76         data for incremental input file entry.
77         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
78         (Incremental_input_entry_reader::get_comdat_group_signature): New
79         function.
80         * object.cc (Sized_relobj::include_section_group): Report kept
81         COMDAT groups for incremental links.
82
83 2011-05-24  David Meyer  <pdox@google.com>
84
85         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
86         with name parameter.  Add found_name parameter.
87         * fileread.cc (Input_file::find_file): Adjust code accordingly.
88         * dirsearch.h (class Dirsearch): Update declaration.
89
90 2011-05-24  Ian Lance Taylor  <iant@google.com>
91
92         * archive.cc (Library_base::should_include_member): Pull in object
93         from archive if it defines the entry symbol.
94         * parameters.cc (Parameters::entry): New function.
95         * parameters.h (class Parameters): Declare entry.
96         * output.h (class Output_file_header): Remove entry_ field.
97         * output.cc (Output_file_header::Output_file_header): Remove entry
98         parameter.  Change all callers.
99         (Output_file_header::entry): Use parameters->entry.
100         * gold.cc (queue_middle_tasks): Likewise.
101         * plugin.cc (Plugin_hook::run): Likewise.
102
103 2011-05-24 Cary Coutant  <ccoutant@google.com>
104
105         * gold.cc (queue_initial_tasks): Pass incremental base filename
106         to Output_file::open_base_file; don't print error message.
107         * incremental-dump.cc (main): Adjust call to
108         Output_file::open_for_modification.
109         * incremental-dump.cc (main): Likewise.
110         * incremental.cc (Incremental_inputs::report_command_line):
111         Ignore --incremental-base option when comparing command lines.
112         Ignore parameter when given as separate argument.
113         * options.h (class General_options): Add --incremental-base.
114         * output.cc (Output_file::Output_file):
115         (Output_file::open_base_file): Add base_name and writable parameters;
116         read base file into new file; print error message here.
117         (Output_file::map_no_anonymous): Add writable parameter; adjust all
118         callers.
119         * output.h (Output_file::open_for_modification): Rename to...
120         (Output_file::open_base_file): ...this; add base_name and
121         writable parameters; adjust all callers.
122         (Output_file::map_no_anonymous): Add writable parameter; adjust all
123         callers.
124         * testsuite/Makefile.am (incremental_test_4): Test
125         --incremental-base.
126         * testsuite/Makefile.in: Regenerate.
127
128 2011-05-24 Cary Coutant  <ccoutant@google.com>
129
130         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
131         incremental_test_4.
132         * testsuite/Makefile.in: Regenerate.
133         * testsuite/two_file_test_1_v1.cc: New test source file.
134         * testsuite/two_file_test_1b_v1.cc: New test source file.
135         * testsuite/two_file_test_2_v1.cc: New test source file.
136
137 2011-05-24 Cary Coutant  <ccoutant@google.com>
138
139         * dynobj.h (Dynobj::do_dynobj): New function.
140         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
141         flag and soname for shared objects.
142         * incremental.cc (Incremental_inputs::report_object): Make
143         either Incremental_object_entry or Incremental_dynobj_entry; add
144         soname to string table.
145         (Incremental_inputs::report_input_section): Add assertion.
146         (Output_section_incremental_inputs::set_final_data_size): Adjust
147         type of input file entry for shared libraries; adjust size of
148         shared library info entry.
149         (Output_section_incremental_inputs::write_input_files): Write
150         as_needed flag for shared libraries.
151         (Output_section_incremental_inputs::write_info_blocks): Adjust type
152         of input file entry for shared libraries; write soname.
153         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
154         soname from incremental info.
155         * incremental.h (enum Incremental_input_flags): Add
156         INCREMENTAL_INPUT_AS_NEEDED.
157         (Incremental_input_entry::Incremental_input_entry): Initialize new
158         data member.
159         (Incremental_input_entry::set_as_needed): New function.
160         (Incremental_input_entry::as_needed): New function.
161         (Incremental_input_entry::do_dynobj_entry): New function.
162         (Incremental_input_entry::as_needed_): New data member.
163         (Incremental_object_entry::Incremental_object_entry): Don't check
164         for shared library.
165         (Incremental_object_entry::do_type): Likewise.
166         (class Incremental_dynobj_entry): New class.
167         (Incremental_input_entry_reader::as_needed): New function.
168         (Incremental_input_entry_reader::get_soname): New function.
169         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
170         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
171         size of shared library info entry.
172         * layout.cc (Layout::finish_dynamic_section): Don't test for 
173         incremental link when adding DT_NEEDED entries.
174         * object.h (Object::Object): Initialize new data member.
175         (Object::dynobj): New function.
176         (Object::set_as_needed): New function.
177         (Object::as_needed): New function.
178         (Object::do_dynobj): New function.
179         (Object::as_needed_): New data member.
180
181 2011-05-24 Cary Coutant  <ccoutant@google.com>
182
183         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
184         info; adjust display of GOT entries.
185         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
186         vector of input objects; remove file_status_.
187         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
188         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
189         got_plt reader; call target hooks to reserve GOT entries.
190         (Output_section_incremental_inputs::set_final_data_size): Adjust size
191         of input file info header and GOT info entry.
192         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
193         relocation info.
194         (Got_plt_view_info::got_descriptor): Remove.
195         (Got_plt_view_info::sym_index): New data member.
196         (Got_plt_view_info::input_index): New data member.
197         (Local_got_offset_visitor::visit): Write input file index.
198         (Global_got_offset_visitor::visit): Write 0 for input file index.
199         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
200         with sym_index and input_index.
201         (Output_section_incremental_inputs::write_got_plt): Adjust size of
202         incremental info GOT entry; replace got_descriptor with input_index.
203         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
204         map from input file index to object.
205         (Sized_relobj_incr::do_layout): Replace direct data member reference
206         with accessor function.
207         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
208         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
209         Adjust size of input file info header.
210         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
211         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
212         (Incremental_input_entry_reader::get_input_section): Adjust size of
213         input file info header.
214         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
215         of incremental info GOT entry.
216         (Incremental_got_plt_reader::get_got_desc): Remove.
217         (Incremental_got_plt_reader::get_got_symndx): New function.
218         (Incremental_got_plt_reader::get_got_input_index): New function.
219         (Sized_incremental_binary::Sized_incremental_binary): Remove
220         file_status_; add input_objects_.
221         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
222         (Sized_incremental_binary::set_file_is_unchanged): Remove.
223         (Sized_incremental_binary::file_is_unchanged): Remove.
224         (Sized_incremental_binary::set_input_object): New function.
225         (Sized_incremental_binary::input_object): New function.
226         (Sized_incremental_binary::file_status_): Remove.
227         (Sized_incremental_binary::input_objects_): New data member.
228         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
229         references.
230         (Sized_relobj_incr::invalid_address): Move to base class.
231         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
232         class.
233         (Sized_relobj_incr::do_output_section_offset): Likewise.
234         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
235         (Sized_relobj_incr::section_offsets_): Likewise.
236         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
237         function.
238         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
239         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
240         with accessor function.
241         (Sized_relobj_file::do_layout): Likewise.
242         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
243         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
244         (Sized_relobj_file::compute_final_local_value): Replace refs to
245         section_offsets_ with accessor function.
246         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
247         * object.h (Relobj::Relobj): Initialize new data members.
248         (Relobj::add_dyn_reloc): New function.
249         (Relobj::first_dyn_reloc): New function.
250         (Relobj::dyn_reloc_count): New function.
251         (Relobj::first_dyn_reloc_): New data member.
252         (Relobj::dyn_reloc_count_): New data member.
253         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
254         references.
255         (Sized_relobj::Address): New typedef.
256         (Sized_relobj::invalid_address): Move here from child class.
257         (Sized_relobj::Sized_relobj): Initialize new data members.
258         (Sized_relobj::sized_relobj): New function.
259         (Sized_relobj::is_output_section_offset_invalid): Move here from
260         child class.
261         (Sized_relobj::get_output_section_offset): Likewise.
262         (Sized_relobj::local_has_got_offset): Likewise.
263         (Sized_relobj::local_got_offset): Likewise.
264         (Sized_relobj::set_local_got_offset): Likewise.
265         (Sized_relobj::do_for_all_local_got_entries): Likewise.
266         (Sized_relobj::clear_got_offsets): New function.
267         (Sized_relobj::section_offsets): Move here from child class.
268         (Sized_relobj::do_output_section_offset): Likewise.
269         (Sized_relobj::do_set_section_offset): Likewise.
270         (Sized_relobj::Local_got_offsets): Likewise.
271         (Sized_relobj::local_got_offsets_): Likewise.
272         (Sized_relobj::section_offsets_): Likewise.
273         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
274         references.
275         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
276         class.
277         (Sized_relobj_file::sized_relobj): New function
278         (Sized_relobj_file::local_has_got_offset): Move to base class.
279         (Sized_relobj_file::local_got_offset): Likewise.
280         (Sized_relobj_file::set_local_got_offset): Likewise.
281         (Sized_relobj_file::get_output_section_offset): Likewise.
282         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
283         (Sized_relobj_file::do_output_section_offset): Likewise.
284         (Sized_relobj_file::do_set_section_offset): Likewise.
285         (Sized_relobj_file::Local_got_offsets): Likewise.
286         (Sized_relobj_file::local_got_offsets_): Likewise.
287         (Sized_relobj_file::section_offsets_): Likewise.
288         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
289         (all constructors).
290         (set_needs_dynsym_index): Convert relobj to derived class pointer.
291         (Output_reloc::get_symbol_index): Likewise.
292         (Output_reloc::local_section_offset): Likewise.
293         (Output_reloc::get_address): Likewise.
294         (Output_reloc::symbol_value): Likewise.
295         (Output_data_got::reserve_slot): Move to class definition.
296         (Output_data_got::reserve_local): New function.
297         (Output_data_got::reserve_slot_for_global): Remove.
298         (Output_data_got::reserve_global): New function.
299         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
300         (all constructors, two instantiations).
301         (Output_reloc::get_relobj): New function (two instantiations).
302         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
303         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
304         (Output_data_reloc::add_global): Adjust type of relobj.
305         (Output_data_reloc::add_global_relative): Likewise.
306         (Output_data_reloc::add_symbolless_global_addend): Likewise.
307         (Output_data_reloc::add_local): Likewise.
308         (Output_data_reloc::add_local_relative): Likewise.
309         (Output_data_reloc::add_symbolless_local_addend): Likewise.
310         (Output_data_reloc::add_local_section): Likewise.
311         (Output_data_reloc::add_output_section): Likewise.
312         (Output_data_reloc::add_absolute): Likewise.
313         (Output_data_reloc::add_target_specific): Likewise.
314         (Output_data_got::reserve_slot): Move definition here.
315         (Output_data_got::reserve_local): New function.
316         (Output_data_got::reserve_global): New function.
317         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
318         section_offsets_ with accessor function.
319         (Sized_relobj_file::write_sections): Likewise.
320         (Sized_relobj_file::do_relocate_sections): Likewise.
321         * target.h (Sized_target::reserve_local_got_entry): New function.
322         (Sized_target::reserve_global_got_entry): New function.
323         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
324         (Target_x86_64::reserve_global_got_entry): New function.
325         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
326
327 2011-05-23 Cary Coutant  <ccoutant@google.com>
328
329         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
330         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
331         bit when checking got_type.
332         * incremental.cc (Sized_incremental_binary::setup_readers):
333         Store symbol table and string table locations; initialize bit vector
334         of file status flags.
335         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
336         unchanged files.
337         (Sized_incremental_binary::do_process_got_plt): New function.
338         (Sized_incremental_binary::get_symtab_view): Use stored locations.
339         (Output_section_incremental_inputs::set_final_data_size): Record
340         file index for each input file.
341         (Output_section_incremental_inputs::write_got_plt): Store file index
342         instead of input entry offset for each GOT entry.
343         * incremental.h
344         (Incremental_input_entry::Incremental_input_entry): Initialize new
345         data member.
346         (Incremental_input_entry::set_offset): Store file index.
347         (Incremental_input_entry::get_file_index): New function.
348         (Incremental_input_entry::file_index_): New data member.
349         (Incremental_binary::process_got_plt): New function.
350         (Incremental_binary::do_process_got_plt): New function.
351         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
352         data members.
353         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
354         (Sized_incremental_binary::set_file_is_unchanged): New function.
355         (Sized_incremental_binary::file_is_unchanged): New function.
356         (Sized_incremental_binary::do_process_got_plt): New function.
357         (Sized_incremental_binary::file_status_): New data member.
358         (Sized_incremental_binary::main_symtab_loc_): New data member.
359         (Sized_incremental_binary::main_strtab_loc_): New data member.
360         * output.cc (Output_data_got::Got_entry::write): Add case
361         RESERVED_CODE.
362         (Output_data_got::add_global): Call add_got_entry.
363         (Output_data_got::add_global_plt): Likewise.
364         (Output_data_got::add_global_with_rel): Likewise.
365         (Output_data_got::add_global_with_rela): Likewise.
366         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
367         (Output_data_got::add_global_pair_with_rela): Likewise.
368         (Output_data_got::add_local): Call add_got_entry.
369         (Output_data_got::add_local_plt): Likewise.
370         (Output_data_got::add_local_with_rel): Likewise.
371         (Output_data_got::add_local_with_rela): Likewise.
372         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
373         (Output_data_got::add_local_pair_with_rela): Likewise.
374         (Output_data_got::reserve_slot): New function.
375         (Output_data_got::reserve_slot_for_global): New function.
376         (Output_data_got::add_got_entry): New function.
377         (Output_data_got::add_got_entry_pair): New function.
378         (Output_section::add_output_section_data): Edit FIXME.
379         * output.h
380         (Output_section_data_build::Output_section_data_build): New
381         constructor with size parameter.
382         (Output_data_space::Output_data_space): Likewise.
383         (Output_data_got::Output_data_got): Initialize new data member; new
384         constructor with size parameter.
385         (Output_data_got::add_constant): Call add_got_entry.
386         (Output_data_got::reserve_slot): New function.
387         (Output_data_got::reserve_slot_for_global): New function.
388         (class Output_data_got::Got_entry): Add RESERVED_CODE.
389         (Output_data_got::add_got_entry): New function.
390         (Output_data_got::add_got_entry_pair): New function.
391         (Output_data_got::free_list_): New data member.
392         * target.h (Sized_target::init_got_plt_for_update): New function.
393         (Sized_target::register_global_plt_entry): New function.
394         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
395         Initialize new data member; call init; add constructor with PLT count.
396         (Output_data_plt_x86_64::init): New function.
397         (Output_data_plt_x86_64::add_relocation): New function.
398         (Output_data_plt_x86_64::reserve_slot): New function.
399         (Output_data_plt_x86_64::free_list_): New data member.
400         (Target_x86_64::init_got_plt_for_update): New function.
401         (Target_x86_64::register_global_plt_entry): New function.
402         (Output_data_plt_x86_64::add_entry): Allocate from free list for
403         incremental updates.
404         (Output_data_plt_x86_64::add_relocation): New function.
405         * testsuite/object_unittest.cc (Object_test): Set default options.
406
407 2011-05-16  Ian Lance Taylor  <iant@google.com>
408
409         * options.h (class General_options): Make -i a synonym for -r.
410
411 2011-05-16  Ian Lance Taylor  <iant@google.com>
412
413         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
414
415 2011-05-10 Cary Coutant  <ccoutant@google.com>
416
417         * object.cc (Sized_relobj::do_count_local_symbols): Check for
418         strip_all (-s).
419
420 2011-05-06  Ian Lance Taylor  <iant@google.com>
421
422         * layout.cc (Layout::layout): If the output section flags change,
423         update the ordering.
424
425 2011-04-25 Cary Coutant  <ccoutant@google.com>
426
427         * incremental-dump.cc (dump_incremental_inputs): Print local
428         symbol info for each input file.
429         * incremental.cc
430         (Output_section_incremental_inputs::set_final_data_size): Add local
431         symbol info to input file entries in incremental info.
432         (Output_section_incremental_inputs::write_info_blocks): Likewise.
433         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
434         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
435         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
436         implementation.
437         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
438         (Sized_incr_relobj::do_relocate): Write the local symbols.
439         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
440         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
441         Adjust size of input file header.
442         (Incremental_inputs_reader::get_local_symbol_offset): New function.
443         (Incremental_inputs_reader::get_local_symbol_count): New function.
444         (Incremental_inputs_reader::get_input_section): Adjust size of input
445         file header.
446         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
447         (Sized_incr_relobj::This): New typedef.
448         (Sized_incr_relobj::sym_size): New const data member.
449         (Sized_incr_relobj::Local_symbol): New struct.
450         (Sized_incr_relobj::do_output_local_symbol_count): New function.
451         (Sized_incr_relobj::do_local_symbol_offset): New function.
452         (Sized_incr_relobj::local_symbol_count_): New data member.
453         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
454         (Sized_incr_relobj::local_symbol_index_): New data member.
455         (Sized_incr_relobj::local_symbol_offset_): New data member.
456         (Sized_incr_relobj::local_dynsym_offset_): New data member.
457         (Sized_incr_relobj::local_symbols_): New data member.
458         * object.h (Relobj::output_local_symbol_count): New function.
459         (Relobj::local_symbol_offset): New function.
460         (Relobj::do_output_local_symbol_count): New function.
461         (Relobj::do_local_symbol_offset): New function.
462         (Sized_relobj::do_output_local_symbol_count): New function.
463         (Sized_relobj::do_local_symbol_offset): New function.
464
465 2011-04-22  Vladimir Simonov  <sv@sw.ru>
466
467         * descriptors.cc (set_close_on_exec): New function.
468         (Descriptors::open): Use set_close_on_exec.
469         * output.cc (S_ISLNK): Define if not defined.
470
471 2011-04-22 Cary Coutant  <ccoutant@google.com>
472
473         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
474         global symbol map.
475         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
476         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
477         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
478         relocations.
479         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
480         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
481         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
482         * incremental.h
483         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
484         function.
485         (Incremental_binary::apply_incremental_relocs): New function.
486         (Incremental_binary::do_apply_incremental_relocs): New function.
487         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
488         data member.
489         (Sized_incremental_binary::add_global_symbol): New function.
490         (Sized_incremental_binary::global_symbol): New function.
491         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
492         (Sized_incremental_binary::symbol_map_): New data member.
493         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
494         * target.h (Sized_target::apply_relocation): New function.
495         * target-reloc.h (apply_relocation): New function.
496         * x86_64.cc (Target_x86_64::apply_relocation): New function.
497
498 2011-04-22  Doug Kwan  <dougkwan@google.com>
499
500         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
501         flag of a SHT_ARM_EXIDX section.
502         * testsuite/Makefile.am (arm_exidx_test): New test rules.
503         * testsuite/Makefile.in: Regenerate.
504         * testsuite/arm_exidx_test.s: New file.
505         * testsuite/arm_exidx_test.sh: Same.
506
507 2011-04-20 Cary Coutant  <ccoutant@google.com>
508
509         PR gold/12689
510         * archive.h (Incremental_archive_entry::Archive_member):
511         Initialize arg_serial_ (second constructor).
512
513 2011-04-17  Ian Lance Taylor  <iant@google.com>
514
515         * object.cc (Relocate_info::location): Simplify location string.
516         * errors.cc (Errors::error_at_location): Don't print program
517         name.
518         (Errors::warning_at_location): Likewise.
519         (Errors::undefined_symbol): Likewise.
520         * testsuite/debug_msg.sh: Update accordingly.
521
522 2011-04-14 Cary Coutant  <ccoutant@google.com>
523
524         * gold/layout.cc (Layout::symtab_section_offset): New function.
525         * gold/layout.h (Layout::symtab_section_offset): New function.
526         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
527
528 2011-04-12  Ian Lance Taylor  <iant@google.com>
529
530         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
531         with MREMAP_MAYMOVE.
532         * output.h (class Output_file): Add map_is_allocated_ field.
533         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
534         not available, provide stubs.  If mremap is not available, #define
535         it to gold_mremap.
536         (MREMAP_MAYMOVE): Define if not defined.
537         (Output_file::Output_file): Initialize map_is_allocated_.
538         (Output_file::resize): Check map_is_allocated_.
539         (Output_file::map_anonymous): If mmap fails, use malloc.
540         (Output_file::unmap): Don't do anything for an anonymous map.
541         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
542         is not available, provide stubs.
543         (File_read::View::~View): Use free rather than delete[].
544         (File_read::make_view): Use malloc rather than new[].  If mmap
545         fails, use malloc.
546         (File_read::find_or_make_view): Use malloc rather than new[].
547         * gold.h: Remove HAVE_REMAP code.
548         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
549         exists.  Rename mremap to gold_mremap.  If mmap is not available
550         don't do anything.
551         * configure, config.in: Rebuild.
552
553 2011-04-11  Ian Lance Taylor  <iant@google.com>
554
555         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
556         initialize local variable v.
557
558 2011-04-11  Cary Coutant  <ccoutant@google.com>
559
560         * archive.cc (Archive::include_member): Adjust call to
561         report_object.
562         (Add_archive_symbols::run): Track argument serial numbers.
563         (Lib_group::include_member): Likewise.
564         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
565         * archive.h (Incremental_archive_entry::Archive_member):
566         Initialize arg_serial_.
567         (Archive_member::arg_serial_): New data member.
568         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
569         (Sized_dynobj::do_add_symbols): Track symbols when doing an
570         incremental link.
571         (Sized_dynobj::do_for_all_local_got_entries): New function.
572         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
573         function.
574         * fileread.cc (get_mtime): New function.
575         * fileread.h (get_mtime): New function.
576         * gold.cc (queue_initial_tasks): Check for incremental update.
577         (process_incremental_input): New function.
578         (queue_middle_tasks): Don't force valid target for incremental
579         update.
580         * incremental-dump.cc (find_input_containing_global): Adjust
581         size of symbol info entry.
582         (dump_incremental_inputs): Dump argument serial number and
583         in_system_directory flag; bias shndx by 1; print symbol names
584         when dumping per-file symbol lists; use new symbol info readers.
585         * incremental.cc
586         (Output_section_incremental_inputs:update_data_size): New function.
587         (Sized_incremental_binary::setup_readers): Setup input readers
588         for each input file; build maps for files added from libraries
589         and scripts.
590         (Sized_incremental_binary::check_input_args): New function.
591         (Sized_incremental_binary::do_check_inputs): Build map of argument
592         serial numbers to input arguments.
593         (Sized_incremental_binary::do_file_has_changed): Rename
594         do_file_is_unchanged to this; compare file modification times.
595         (Sized_incremental_binary::do_init_layout): New function.
596         (Sized_incremental_binary::do_reserve_layout): New function.
597         (Sized_incremental_binary::do_get_input_reader): Remove.
598         (Sized_incremental_binary::get_symtab_view): New function.
599         (Incremental_checker::can_incrementally_link_output_file): Remove.
600         (Incremental_inputs::report_command_line): Exclude --debug options.
601         (Incremental_inputs::report_archive_begin): Add parameter; track
602         argument serial numbers; don't put input file entry for archive
603         before archive members.
604         (Incremental_inputs::report_archive_end): Put input file entry
605         for archive after archive members.
606         (Incremental_inputs::report_object): Add parameter; track argument
607         serial numbers and in_system_directory flag.
608         (Incremental_inputs::report_script): Add parameter; track argument
609         serial numbers.
610         (Output_section_incremental_inputs::set_final_data_size): Adjust
611         size of symbol info entry; check for forwarding symbols.
612         (Output_section_incremental_inputs::write_input_files): Write
613         in_system_directory flag and argument serial number.
614         (Output_section_incremental_inputs::write_info_blocks): Map section
615         indices between incremental info and original input file; store
616         input section index for each symbol.
617         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
618         change operator() to visit().
619         (class Global_got_offset_visitor): Likewise.
620         (class Global_symbol_visitor_got_plt):
621         (Output_section_incremental_inputs::write_got_plt): Use new visitor
622         classes.
623         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
624         (Sized_incr_relobj::do_read_symbols): New function.
625         (Sized_incr_relobj::do_layout): New function.
626         (Sized_incr_relobj::do_layout_deferred_sections): New function.
627         (Sized_incr_relobj::do_add_symbols): New function.
628         (Sized_incr_relobj::do_should_include_member): New function.
629         (Sized_incr_relobj::do_for_all_global_symbols): New function.
630         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
631         (Sized_incr_relobj::do_section_size): New function.
632         (Sized_incr_relobj::do_section_name): New function.
633         (Sized_incr_relobj::do_section_contents): New function.
634         (Sized_incr_relobj::do_section_flags): New function.
635         (Sized_incr_relobj::do_section_entsize): New function.
636         (Sized_incr_relobj::do_section_address): New function.
637         (Sized_incr_relobj::do_section_type): New function.
638         (Sized_incr_relobj::do_section_link): New function.
639         (Sized_incr_relobj::do_section_info): New function.
640         (Sized_incr_relobj::do_section_addralign): New function.
641         (Sized_incr_relobj::do_initialize_xindex): New function.
642         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
643         (Sized_incr_relobj::do_read_relocs): New function.
644         (Sized_incr_relobj::do_gc_process_relocs): New function.
645         (Sized_incr_relobj::do_scan_relocs): New function.
646         (Sized_incr_relobj::do_count_local_symbols): New function.
647         (Sized_incr_relobj::do_finalize_local_symbols): New function.
648         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
649         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
650         (Sized_incr_relobj::do_relocate): New function.
651         (Sized_incr_relobj::do_set_section_offset): New function.
652         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
653         (Sized_incr_dynobj::do_read_symbols): New function.
654         (Sized_incr_dynobj::do_layout): New function.
655         (Sized_incr_dynobj::do_add_symbols): New function.
656         (Sized_incr_dynobj::do_should_include_member): New function.
657         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
658         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
659         (Sized_incr_dynobj::do_section_size): New function.
660         (Sized_incr_dynobj::do_section_name): New function.
661         (Sized_incr_dynobj::do_section_contents): New function.
662         (Sized_incr_dynobj::do_section_flags): New function.
663         (Sized_incr_dynobj::do_section_entsize): New function.
664         (Sized_incr_dynobj::do_section_address): New function.
665         (Sized_incr_dynobj::do_section_type): New function.
666         (Sized_incr_dynobj::do_section_link): New function.
667         (Sized_incr_dynobj::do_section_info): New function.
668         (Sized_incr_dynobj::do_section_addralign): New function.
669         (Sized_incr_dynobj::do_initialize_xindex): New function.
670         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
671         (make_sized_incremental_object): New function.
672         (Incremental_library::copy_unused_symbols): New function.
673         (Incremental_library::do_for_all_unused_symbols): New function.
674         * incremental.h (enum Incremental_input_flags): New type.
675         (class Incremental_checker): Remove.
676         (Incremental_input_entry::Incremental_input_entry): Add argument
677         serial number.
678         (Incremental_input_entry::arg_serial): New function.
679         (Incremental_input_entry::set_is_in_system_directory): New function.
680         (Incremental_input_entry::is_in_system_directory): New function.
681         (Incremental_input_entry::arg_serial_): New data member.
682         (Incremental_input_entry::is_in_system_directory_): New data member.
683         (class Script_info): Move here from script.h.
684         (Script_info::Script_info): Add filename parameter.
685         (Script_info::filename): New function.
686         (Script_info::filename_): New data member.
687         (Incremental_script_entry::Incremental_script_entry): Add argument
688         serial number.
689         (Incremental_object_entry::Incremental_object_entry): Likewise.
690         (Incremental_object_entry::add_input_section): Build list of input
691         sections with map to original shndx.
692         (Incremental_object_entry::get_input_section_index): New function.
693         (Incremental_object_entry::shndx_): New data member.
694         (Incremental_object_entry::name_key_): Rename; adjust all refs.
695         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
696         (Incremental_archive_entry::Incremental_archive_entry): Add argument
697         serial number.
698         (Incremental_inputs::report_archive_begin): Likewise.
699         (Incremental_inputs::report_object): Likewise.
700         (Incremental_inputs::report_script): Likewise.
701         (class Incremental_global_symbol_reader): New class.
702         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
703         and store flags and input file type.
704         (Incremental_input_entry_reader::arg_serial): New function.
705         (Incremental_input_entry_reader::type): Extract type from flags.
706         (Incremental_input_entry_reader::is_in_system_directory): New function.
707         (Incremental_input_entry_reader::get_input_section_count): Call
708         accessor function for type.
709         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
710         function for type; adjust size of global symbol entry.
711         (Incremental_input_entry_reader::get_global_symbol_count): Call
712         accessor function for type.
713         (Incremental_input_entry_reader::get_object_count): Likewise.
714         (Incremental_input_entry_reader::get_object_offset): Likewise.
715         (Incremental_input_entry_reader::get_member_count): Likewise.
716         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
717         (Incremental_input_entry_reader::get_member_offset): Likewise.
718         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
719         (Incremental_input_entry_reader::Global_symbol_info): Remove.
720         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
721         (Incremental_input_entry_reader::get_global_symbol_reader): New
722         function.
723         (Incremental_input_entry_reader::get_output_symbol_index): New
724         function.
725         (Incremental_input_entry_reader::type_): Remove.
726         (Incremental_input_entry_reader::flags_): New data member.
727         (Incremental_inputs_reader::input_file_offset): New function.
728         (Incremental_inputs_reader::input_file_index): New function.
729         (Incremental_inputs_reader::input_file): Call input_file_offset.
730         (Incremental_inputs_reader::input_file_at_offset): New function.
731         (Incremental_relocs_reader::get_r_type): Reformat.
732         (Incremental_relocs_reader::get_r_shndx): Reformat.
733         (Incremental_relocs_reader::get_r_offset): Reformat.
734         (Incremental_relocs_reader::data): New function.
735         (Incremental_binary::Incremental_binary): Initialize new data members.
736         (Incremental_binary::check_inputs): Add cmdline parameter.
737         (Incremental_binary::file_is_unchanged): Remove.
738         (Input_reader::arg_serial): New function.
739         (Input_reader::get_unused_symbol_count): New function.
740         (Input_reader::get_unused_symbol): New function.
741         (Input_reader::do_arg_serial): New function.
742         (Input_reader::do_get_unused_symbol_count): New function.
743         (Input_reader::do_get_unused_symbol): New function.
744         (Incremental_binary::input_file_count): New function.
745         (Incremental_binary::get_input_reader): Change signature to use
746         index instead of filename.
747         (Incremental_binary::file_has_changed): New function.
748         (Incremental_binary::get_input_argument): New function.
749         (Incremental_binary::get_library): New function.
750         (Incremental_binary::get_script_info): New function.
751         (Incremental_binary::init_layout): New function.
752         (Incremental_binary::reserve_layout): New function.
753         (Incremental_binary::output_file): New function.
754         (Incremental_binary::do_check_inputs): New function.
755         (Incremental_binary::do_file_is_unchanged): Remove.
756         (Incremental_binary::do_file_has_changed): New function.
757         (Incremental_binary::do_init_layout): New function.
758         (Incremental_binary::do_reserve_layout): New function.
759         (Incremental_binary::do_input_file_count): New function.
760         (Incremental_binary::do_get_input_reader): Change signature.
761         (Incremental_binary::input_args_map_): New data member.
762         (Incremental_binary::library_map_): New data member.
763         (Incremental_binary::script_map_): New data member.
764         (Sized_incremental_binary::Sized_incremental_binary): Initialize
765         new data members.
766         (Sized_incremental_binary::output_section): New function.
767         (Sized_incremental_binary::inputs_reader): Add const.
768         (Sized_incremental_binary::symtab_reader): Add const.
769         (Sized_incremental_binary::relocs_reader): Add const.
770         (Sized_incremental_binary::got_plt_reader): Add const.
771         (Sized_incremental_binary::get_symtab_view): New function.
772         (Sized_incremental_binary::Inputs_reader): New typedef.
773         (Sized_incremental_binary::Input_entry_reader): New typedef.
774         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
775         (Sized_incremental_binary::do_file_is_unchanged): Remove.
776         (Sized_incremental_binary::do_file_has_changed): New function.
777         (Sized_incremental_binary::do_init_layout): New function.
778         (Sized_incremental_binary::do_reserve_layout): New function.
779         (Sized_input_reader::Inputs_reader): Remove.
780         (Sized_input_reader::Input_entry_reader): Remove.
781         (Sized_input_reader::do_arg_serial): New function.
782         (Sized_input_reader::do_get_unused_symbol_count): New function.
783         (Sized_input_reader::do_get_unused_symbol): New function.
784         (Sized_incremental_binary::do_input_file_count): New function.
785         (Sized_incremental_binary::do_get_input_reader): Change signature;
786         use index instead of filename.
787         (Sized_incremental_binary::section_map_): New data member.
788         (Sized_incremental_binary::input_entry_readers_): New data member.
789         (class Sized_incr_relobj): New class.
790         (class Sized_incr_dynobj): New class.
791         (make_sized_incremental_object): New function.
792         (class Incremental_library): New class.
793         * layout.cc (Free_list::num_lists): New static data member.
794         (Free_list::num_nodes): New static data member.
795         (Free_list::num_removes): New static data member.
796         (Free_list::num_remove_visits): New static data member.
797         (Free_list::num_allocates): New static data member.
798         (Free_list::num_allocate_visits): New static data member.
799         (Free_list::init): New function.
800         (Free_list::remove): New function.
801         (Free_list::allocate): New function.
802         (Free_list::dump): New function.
803         (Free_list::print_stats): New function.
804         (Layout_task_runner::run): Resize output file for incremental updates.
805         (Layout::Layout): Initialize new data members.
806         (Layout::set_incremental_base): New function.
807         (Layout::init_fixed_output_section): New function.
808         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
809         incremental updates.
810         (Layout::create_gold_note): Do not create gold note section for
811         incremental updates.
812         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
813         for incremental updates.
814         (Layout::set_section_offsets): For incremental updates, allocate space
815         from free list.
816         (Layout::create_symtab_sections): Layout with offsets relative to
817         start of section; for incremental updates, allocate space from free
818         list.
819         (Layout::create_shdrs): For incremental updates, allocate space from
820         free list.
821         (Layout::finish_dynamic_section): For incremental updates, do not
822         check --as-needed (fixed in subsequent patch).
823         * layout.h (class Free_list): New class.
824         (Layout::set_incremental_base): New function.
825         (Layout::incremental_base): New function.
826         (Layout::init_fixed_output_section): New function.
827         (Layout::allocate): New function.
828         (Layout::incremental_base_): New data member.
829         (Layout::free_list_): New data member.
830         * main.cc (main): Print Free_list statistics.
831         * object.cc (Relobj::finalize_incremental_relocs): Add
832         clear_counts parameter; clear counts only when clear_counts is set.
833         (Sized_relobj::Sized_relobj): Initialize new base class.
834         (Sized_relobj::do_layout): Don't report special sections.
835         (Sized_relobj::do_for_all_local_got_entries): New function.
836         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
837         symtab_off to all symbol table offsets.
838         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
839         * object.h (class Got_offset_list): Move to top of file.
840         (Object::Object): Allow case where input_file == NULL.
841         (Object::~Object): Likewise.
842         (Object::input_file): Assert that input_file != NULL.
843         (Object::lock): Allow case where input_file == NULL.
844         (Object::unlock): Likewise.
845         (Object::is_locked): Likewise.
846         (Object::token): Likewise.
847         (Object::release): Likewise.
848         (Object::is_incremental): New function.
849         (Object::get_mtime): New function.
850         (Object::for_all_local_got_entries): New function.
851         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
852         (Object::set_is_in_system_directory): New function.
853         (Object::is_in_system_directory): New function.
854         (Object::do_is_incremental): New function.
855         (Object::do_get_mtime): New function.
856         (Object::do_for_all_local_got_entries): New function.
857         (Object::is_in_system_directory_): New data member.
858         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
859         (class Sized_relobj_base): New class.
860         (class Sized_relobj): Derive from Sized_relobj_base.
861         (class Sized_relobj::Symbols): Redeclare from base class.
862         (class Sized_relobj::local_got_offset_list): Remove.
863         (class Sized_relobj::Output_sections): Redeclare from base class.
864         (class Sized_relobj::do_for_all_local_got_entries): New function.
865         (class Sized_relobj::write_local_symbols): Add offset parameter.
866         (class Sized_relobj::local_symbol_offset_): Update comment.
867         (class Sized_relobj::local_dynsym_offset_): Update comment.
868         * options.cc (Input_arguments::add_file): Remove const.
869         * options.h (Input_file_argument::Input_file_argument):
870         Initialize arg_serial_ (all constructors).
871         (Input_file_argument::set_arg_serial): New function.
872         (Input_file_argument::arg_serial): New function.
873         (Input_file_argument::arg_serial_): New data member.
874         (Input_arguments::Input_arguments): Initialize file_count_.
875         (Input_arguments::add_file): Remove const.
876         (Input_arguments::number_of_input_files): New function.
877         (Input_arguments::file_count_): New data member.
878         (Command_line::number_of_input_files): Call
879         Input_arguments::number_of_input_files.
880         * output.cc (Output_segment_headers::Output_segment_headers):
881         Set current size.
882         (Output_section::Input_section::current_data_size): New function.
883         (Output_section::Output_section): Initialize new data members.
884         (Output_section::add_input_section): Don't do merge sections for
885         an incremental link; allocate space from free list for an
886         incremental update.
887         (Output_section::add_output_section_data): Allocate space from
888         free list for an incremental update.
889         (Output_section::update_data_size): New function.
890         (Output_section::set_fixed_layout): New function.
891         (Output_section::reserve): New function.
892         (Output_segment::set_section_addresses): Remove const.
893         (Output_segment::set_section_list_addresses): Remove const; allocate
894         space from free list for an incremental update.
895         (Output_segment::set_offset): Adjust size of RELRO segment for an
896         incremental update.
897         * output.h (Output_data::current_data_size): Move here from
898         child classes.
899         (Output_data::pre_finalize_data_size): New function.
900         (Output_data::update_data_size): New function.
901         (Output_section_headers::update_data_size): new function.
902         (Output_section_data_build::current_data_size): Move to Output_data.
903         (Output_data_strtab::update_data_size): New function.
904         (Output_section::current_data_size): Move to Output_data.
905         (Output_section::set_fixed_layout): New function.
906         (Output_section::has_fixed_layout): New function.
907         (Output_section::reserve): New function.
908         (Output_section::update_data_size): New function.
909         (Output_section::has_fixed_layout_): New data member.
910         (Output_section::free_list_): New data member.
911         (Output_segment::set_section_addresses): Remove const.
912         (Output_segment::set_section_list_addresses): Remove const.
913         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
914         New function.
915         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
916         New function.
917         * readsyms.cc (Read_symbols::do_read_symbols): Add library
918         parameter when calling Add_symbols constructor; store argument
919         serial number for members of a lib group.
920         (Add_symbols::locks): Allow case where token == NULL.
921         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
922         (Read_member::~Read_member): New function.
923         (Read_member::is_runnable): New function.
924         (Read_member::locks): New function.
925         (Read_member::run): New function.
926         (Check_script::~Check_script): New function.
927         (Check_script::is_runnable): New function.
928         (Check_script::locks): New function.
929         (Check_script::run): New function.
930         (Check_library::~Check_library): New function.
931         (Check_library::is_runnable): New function.
932         (Check_library::locks): New function.
933         (Check_library::run): New function.
934         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
935         (Add_symbols::library_): New data member.
936         (class Read_member): New class.
937         (class Check_script): New class.
938         (class Check_library): New class.
939         * reloc.cc (Read_relocs::is_runnable): Allow case where
940         token == NULL.
941         (Read_relocs::locks): Likewise.
942         (Scan_relocs::locks): Likewise.
943         (Relocate_task::locks): Likewise.
944         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
945         to clear counters.
946         (Sized_relobj::incremental_relocs_scan): Fix comment.
947         (Sized_relobj::do_relocate): Pass output file offset to
948         write_local_symbols.
949         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
950         from class declaration.
951         * script.cc (read_input_script): Allocate Script_info; pass
952         argument serial number to report_script.
953         * script.h (class Script_info): Move to incremental.h.
954         * symtab.cc (Symbol_table::add_from_incrobj): New function.
955         * symtab.h (Symbol_table::add_from_incrobj): New function.
956         (Symbol_table::set_file_offset): New function.
957
958 2011-04-05  Cary Coutant  <ccoutant@google.com>
959
960         * incremental-dump.cc (dump_incremental_inputs): Change signature
961         to take a Sized_incremental_binary; change caller.  Use readers
962         in Sized_incremental_binary.
963         * incremental.cc
964         (Sized_incremental_binary::find_incremental_inputs_sections):
965         Rename do_find_incremental_inputs_sections to this.
966         (Sized_incremental_binary::setup_readers): New function.
967         (Sized_incremental_binary::do_check_inputs): Check
968         has_incremental_info_ flag; move setup code to setup_readers;
969         use input readers.
970         (Sized_incremental_binary::do_file_is_unchanged): New function.
971         (Sized_incremental_binary::do_get_input_reader): New function.
972         * incremental.h (class Incremental_binary): Move to end of file.
973         (Incremental_binary::file_is_unchanged): New function.
974         (Incremental_binary::do_file_is_unchanged): New function.
975         (Incremental_binary::Input_reader): New class.
976         (Incremental_binary::get_input_reader): New function.
977         (class Sized_incremental_binary): Move to end of file.
978         (Sized_incremental_binary::Sized_incremental_binary): Setup the
979         input section reader classes.
980         (Sized_incremental_binary::has_incremental_info): New function.
981         (Sized_incremental_binary::inputs_reader): New function.
982         (Sized_incremental_binary::symtab_reader): New function.
983         (Sized_incremental_binary::relocs_reader): New function.
984         (Sized_incremental_binary::got_plt_reader): New function.
985         (Sized_incremental_binary::do_file_is_unchanged): New function.
986         (Sized_incremental_binary::Sized_input_reader): New class.
987         (Sized_incremental_binary::get_input_reader): New function.
988         (Sized_incremental_binary::find_incremental_inputs_sections):
989         Rename do_find_incremental_inputs_sections to this.
990         (Sized_incremental_binary::setup_readers): New function.
991         (Sized_incremental_binary::has_incremental_info_): New data member.
992         (Sized_incremental_binary::inputs_reader_): New data member.
993         (Sized_incremental_binary::symtab_reader_): New data member.
994         (Sized_incremental_binary::relocs_reader_): New data member.
995         (Sized_incremental_binary::got_plt_reader_): New data member.
996         (Sized_incremental_binary::current_input_file_): New data member.
997
998 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
999
1000         PR gold/12640
1001         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1002         violation.
1003
1004 2011-03-30  Cary Coutant  <ccoutant@google.com>
1005
1006         * archive.cc (Archive::include_member): Adjust call to report_object.
1007         (Add_archive_symbols::run): Add script_info to call to
1008         report_archive_begin.
1009         (Lib_group::include_member): Adjust call to report_object.
1010         (Add_lib_group_symbols::run): Adjust call to report_object.
1011         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1012         blocks.  Add object count for script input files.
1013         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1014         script_info parameter; change all callers.
1015         (Incremental_inputs::report_object): Add script_info parameter;
1016         change all callers.
1017         (Incremental_inputs::report_script): Store backpointer to
1018         incremental info entry.
1019         (Output_section_incremental_inputs::set_final_data_size): Record
1020         additional information for scripts.
1021         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1022         * incremental.h (Incremental_script_entry::add_object): New function.
1023         (Incremental_script_entry::get_object_count): New function.
1024         (Incremental_script_entry::get_object): New function.
1025         (Incremental_script_entry::objects_): New data member; adjust
1026         constructor.
1027         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1028         (Incremental_inputs::report_object): Add script_info parameter.
1029         (Incremental_inputs_reader::get_object_count): New function.
1030         (Incremental_inputs_reader::get_object_offset): New function.
1031         * options.cc (Input_arguments::add_file): Return reference to
1032         new input argument.
1033         * options.h (Input_argument::set_script_info): New function.
1034         (Input_argument::script_info): New function.
1035         (Input_argument::script_info_): New data member; adjust all
1036         constructors.
1037         (Input_file_group::add_file): Return reference to new input argument.
1038         (Input_file_lib::add_file): Likewise.
1039         (Input_arguments::add_file): Likewise.
1040         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1041         * script.cc (Parser_closure::Parser_closure): Add script_info
1042         parameter; adjust all callers.
1043         (Parser_closure::script_info): New function.
1044         (Parser_closure::script_info_): New data member.
1045         (read_input_script): Report scripts earlier to incremental info.
1046         (script_add_file): Set script_info in Input_argument.
1047         (script_add_library): Likewise.
1048         * script.h (Script_options::Script_info): Rewrite class.
1049
1050 2011-03-29  Cary Coutant  <ccoutant@google.com>
1051
1052         * archive.cc (Library_base::should_include_member): Move
1053         method here from class Archive.
1054         (Archive::Archive): Initialize base class.
1055         (Archive::should_include_member): Move to base class.
1056         (Archive::do_for_all_unused_symbols): New function.
1057         (Add_archive_symbols::run): Remove redundant access to
1058         incremental_inputs.
1059         (Lib_group::Lib_group): Initialize base class.
1060         (Lib_group::do_filename): New function.
1061         (Lib_group::include_member): Pass pointer to Lib_group to
1062         report_object.
1063         (Lib_group::do_for_all_unused_symbols): New function.
1064         (Add_lib_group_symbols::run): Report archive information for
1065         incremental links.
1066         * archive.h (class Library_base): New base class.
1067         (class Archive): Derive from Library_base.
1068         (Archive::filename): Move to base class.
1069         (Archive::set_incremental_info): Likewise.
1070         (Archive::incremental_info): Likewise.
1071         (Archive::Should_include): Likewise.
1072         (Archive::should_include_member): Likewise.
1073         (Archive::Armap_entry): Remove.
1074         (Archive::Unused_symbol_iterator): Remove.
1075         (Archive::unused_symbols_begin): Remove.
1076         (Archive::unused_symbols_end): Remove.
1077         (Archive::do_filename): New function.
1078         (Archive::do_get_mtime): New function.
1079         (Archive::do_for_all_unused_symbols): New function.
1080         (Archive::task_): Move to base class.
1081         (Archive::incremental_info_): Likewise.
1082         (class Lib_group): Derive from Library_base.
1083         (Lib_group::do_filename): New function.
1084         (Lib_group::do_get_mtime): New function.
1085         (Lib_group::do_for_all_unused_symbols): New function.
1086         (Lib_group::task_): Move to base class.
1087         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1088         function.
1089         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1090         function.
1091         * incremental.cc (Incremental_inputs::report_archive_begin):
1092         Use Library_base; call library's get_mtime; add incremental inputs
1093         entry before members.
1094         (class Unused_symbol_visitor): New class.
1095         (Incremental_inputs::report_archive_end): Use Library_base; use
1096         visitor class to record unused symbols; don't add incremental inputs
1097         entry after members.
1098         (Incremental_inputs::report_object): Use Library_base.
1099         * incremental.h
1100         (Incremental_archive_entry::Incremental_archive_entry): Remove
1101         unused Archive parameter.
1102         (Incremental_inputs::report_archive_begin): Use Library_base.
1103         (Incremental_inputs::report_archive_end): Likewise.
1104         (Incremental_inputs::report_object): Likewise.
1105         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1106         function.
1107         * object.h (Object::for_all_global_symbols): New function.
1108         (Object::do_for_all_global_symbols): New function.
1109         (Sized_relobj::do_for_all_global_symbols): New function.
1110         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1111         function.
1112         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1113         function.
1114
1115 2011-03-27  Ian Lance Taylor  <iant@google.com>
1116
1117         * archive.cc (Archive::interpret_header): Return -1 if something
1118         goes wrong.  Change callers accordingly.
1119
1120 2011-03-25  Cary Coutant  <ccoutant@google.com>
1121
1122         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1123         * testsuite/Makefile.in: Regenerate.
1124
1125 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1126
1127         * plugin.cc (get_view): New.
1128         (Plugin::load): Pass get_view to the plugin.
1129         (Plugin_manager::get_view): New.
1130
1131 2011-03-21  Ian Lance Taylor  <iant@google.com>
1132
1133         * testsuite/final_layout.sh: Rewrite to not use dc.
1134         * testsuite/relro_test.sh: Fail if dc is not present.
1135
1136 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1137
1138         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1139         Change == to -eq.
1140         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1141         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1142         Change == to -eq.
1143         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1144         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1145
1146 2011-03-14  Ian Lance Taylor  <iant@google.com>
1147
1148         * script-sections.cc (Sort_output_sections::script_compare):
1149         Rename from is_before, change return type.
1150         (Sort_output_sections::operator()): Adjust accordingly.
1151
1152 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1153
1154         PR gold/12572
1155         * testsuite/odr_violation2.cc: Add comment to make all error line
1156         numbers double digits.
1157         * testsuite/debug_msg.sh: Adjust expected errors.
1158
1159 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1160
1161         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1162         but mark earlier ones as non-canonical
1163         (offset_to_iterator): Update search target and example
1164         (do_addr2line): Return extra lines in a vector*
1165         (format_file_lineno): Extract from do_addr2line
1166         (one_addr2line): Add vector* out-param
1167         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1168         when a lineno entry appeared last for its instruction
1169         (Dwarf_line_info): Add vector* out-param
1170         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1171         * symtab.cc (Odr_violation_compare): Include the lineno in the
1172         comparison again.
1173         (linenos_from_loc): New. Combine the canonical line for an
1174         address with its other lines.
1175         (True_if_intersect): New. Helper functor to make
1176         std::set_intersection a query.
1177         (detect_odr_violations): Compare sets of lines instead of just
1178         one line for each function. This became less deterministic, but
1179         has fewer false positives.
1180         * symtab.h: Declarations.
1181         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1182         mix an optimized and non-optimized object in the same binary
1183         (odr_violation2.so): Same.
1184         * testsuite/Makefile.in: Regenerate from Makefile.am.
1185         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1186         * testsuite/debug_msg.sh: Update line numbers and add
1187         assertions.
1188         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1189         non-optimized context.
1190         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1191         isn't inlined, and use OdrDerived in an optimized context.
1192         * testsuite/odr_header1.h: Defines OdrDerived, where
1193         optimization will change the
1194         first-instruction-in-the-destructor's file and line number.
1195         * testsuite/odr_header2.h: Defines OdrBase.
1196
1197 2011-03-09  Ian Lance Taylor  <iant@google.com>
1198
1199         * fileread.cc (File_read::clear_views): Don't delete the whole
1200         file view.
1201
1202 2011-03-08  Ian Lance Taylor  <iant@google.com>
1203
1204         PR gold/12525
1205         * fileread.cc: #include <climits>.
1206         (GOLD_IOV_MAX): Define.
1207         (File_read::read_multiple): Limit number of entries by iov_max.
1208         * fileread.h (class File_read): Always set max_readv_entries to
1209         128.
1210
1211 2011-03-07  Ian Lance Taylor  <iant@google.com>
1212
1213         PR gold/12525
1214         * options.h (class General_options): Add -dy and -dn.
1215
1216 2011-03-02  Cary Coutant  <ccoutant@google.com>
1217
1218         * testsuite/script_test_9.t: Add TLS segment.
1219
1220 2011-03-02  Simon Baldwin  <simonb@google.com>
1221
1222         * configure.ac: Add check for gnu_indirect_function support in
1223         the toolchain building binutils.
1224         * configure: Rebuild.
1225
1226 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1227
1228         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1229         plugin only symbols.
1230         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1231         in plugin files as not needed in the symbol table.
1232
1233 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1234
1235         * output.cc (Output_section::add_input_section): Delay fill
1236         generation for section ordering.
1237
1238 2011-02-09  Ian Lance Taylor  <iant@google.com>
1239
1240         PR gold/12316
1241         * object.h (class Sized_relobj): Remove clear_local_symbols.
1242         * reloc.cc (Sized_relobj::do_relocate): Don't call
1243         clear_local_symbols.
1244
1245 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1246
1247         * plugin.cc (is_visible_from_outside): Return true for symbols
1248         in the -u option.
1249
1250 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1251
1252         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1253         filename.
1254
1255 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1256
1257         * icf.h (is_section_foldable_candidate): Change type of parameter
1258         to std::string.
1259         * icf.cc (Icf::find_identical_sections): Change type of local variable
1260         section_name to be std::string.
1261         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1262
1263 2011-01-25  Ian Lance Taylor  <iant@google.com>
1264
1265         * script.cc (script_add_extern): Rewrite to use
1266         add_symbol_reference.
1267
1268 2011-01-25  Doug Kwan  <dougkwan@google.com>
1269
1270         * icf.cc (get_section_contents): Always lock section's object.
1271
1272 2011-01-24  Ian Lance Taylor  <iant@google.com>
1273
1274         * options.h (class General_options): Accept
1275         --no-detect-odr-violations.
1276
1277 2011-01-24  Ian Lance Taylor  <iant@google.com>
1278
1279         * version.cc (version_string): Bump to 1.11.
1280
1281 2011-01-24  Ian Lance Taylor  <iant@google.com>
1282
1283         * plugin.cc (class Plugin_rescan): Define new class.
1284         (Plugin_manager::claim_file): Set any_claimed_.
1285         (Plugin_manager::save_archive): New function.
1286         (Plugin_manager::save_input_group): New function.
1287         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1288         necessary.
1289         (Plugin_manager::new_undefined_symbol): New function.
1290         (Plugin_manager::rescan): New function.
1291         (Plugin_manager::rescannable_defines): New function.
1292         (Plugin_manager::add_input_file): Set any_added_.
1293         * plugin.h (class Plugin_manager): define new fields rescannable_,
1294         undefined_symbols_, any_claimed_, and any_added_.  Declare
1295         Plugin_rescan as friend.  Declare new functions.
1296         (Plugin_manager::Rescannable): Define type.
1297         (Plugin_manager::Rescannable_list): Define type.
1298         (Plugin_manager::Undefined_symbol_list): Define type.
1299         (Plugin_manager::Plugin_manager): Initialize new fields.
1300         * archive.cc (Archive::defines_symbol): New function.
1301         (Add_archive_symbols::run): Pass archive to plugins if any.
1302         * archive.h (class Archive): Declare defines_symbol.
1303         * readsyms.cc (Input_group::~Input_group): New function.
1304         (Finish_group::run): Pass input_group to plugins if any.
1305         * readsyms.h (class Input_group): Declare destructor.
1306         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1307         any.
1308
1309 2011-01-10  Ian Lance Taylor  <iant@google.com>
1310
1311         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1312         section as relro.
1313         (Layout::set_segment_offsets): Reset increase_relro before calling
1314         set_section_addresses a second time.
1315
1316 2011-01-04  Cary Coutant  <ccoutant@google.com>
1317
1318         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1319         sections before NOBITS sections.
1320
1321 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1322
1323         * version.cc (print_version): Update copyright to 2011.
1324
1325 2010-12-23  Cary Coutant  <ccoutant@google.com>
1326
1327         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1328         of OS to this->add.  Add OD parameter to second form of the function.
1329
1330 2010-12-20  Ian Lance Taylor  <iant@google.com>
1331
1332         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1333         second of two consecutive entries with same offset.
1334
1335 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1336
1337         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1338         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1339         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1340         to avoid unneeded links against $(LDADD).
1341         * testsuite/Makefile.in: Regenerate.
1342
1343 2010-12-15  Ian Lance Taylor  <iant@google.com>
1344
1345         PR gold/12324
1346         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1347         for R_X86_64_32 and R_X86_64_PC32.
1348         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1349         ver_matching_def_pic.o.
1350         (ver_matching_def_pic.o): New target.
1351
1352 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1353
1354         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
1355         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
1356         Move definition before File_read::View member definitions.
1357         (File_read::View::~View): Initialize and hold lock before
1358         updating current_mapped_bytes.
1359
1360 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1361
1362         * dwarf_reader.cc: Remove outdated comment.
1363         * gold-threads.cc: Fix typo in error message.
1364         * archive.cc: Fix typos in comments.
1365         * archive.h: Likewise.
1366         * arm-reloc-property.cc: Likewise.
1367         * arm-reloc-property.h: Likewise.
1368         * arm-reloc.def: Likewise.
1369         * arm.cc: Likewise.
1370         * attributes.h: Likewise.
1371         * cref.cc: Likewise.
1372         * ehframe.cc: Likewise.
1373         * fileread.h: Likewise.
1374         * gold.h: Likewise.
1375         * i386.cc: Likewise.
1376         * icf.cc: Likewise.
1377         * incremental.h: Likewise.
1378         * int_encoding.cc: Likewise.
1379         * layout.h: Likewise.
1380         * main.cc: Likewise.
1381         * merge.h: Likewise.
1382         * object.cc: Likewise.
1383         * object.h: Likewise.
1384         * options.cc: Likewise.
1385         * readsyms.cc: Likewise.
1386         * reduced_debug_output.cc: Likewise.
1387         * reloc.cc: Likewise.
1388         * script-sections.cc: Likewise.
1389         * sparc.cc: Likewise.
1390         * symtab.h: Likewise.
1391         * target-reloc.h: Likewise.
1392         * target.cc: Likewise.
1393         * target.h: Likewise.
1394         * timer.cc: Likewise.
1395         * timer.h: Likewise.
1396         * x86_64.cc: Likewise.
1397
1398 2010-12-09  Cary Coutant  <ccoutant@google.com>
1399
1400         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
1401         stack.
1402         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
1403         parameter; change all callers.
1404         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
1405         * options.h (warn_execstack): New option.
1406
1407 2010-12-07  Doug Kwan  <dougkwan@google.com>
1408
1409         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
1410         like function call relocations.
1411
1412 2010-12-07  Ian Lance Taylor  <iant@google.com>
1413
1414         * archive.cc (Archive::get_elf_object_for_member): Permit
1415         punconfigured to be NULL.
1416         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
1417         (Archive::include_member): Pass NULL to get_elf_object_for_member
1418         if we searched for the archive and this is the first included
1419         object.
1420
1421 2010-12-01  Ian Lance Taylor  <iant@google.com>
1422
1423         * dwarf_reader.h (class Sized_dwarf_line_info): Add
1424         track_relocs_type_ field.
1425         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1426         Set track_relocs_type_.
1427         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
1428         contents when using RELA relocs.
1429         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
1430         reloc_map_.
1431         * reloc.cc (Track_relocs::next_addend): New function.
1432         * reloc.h (class Track_relocs): Declare next_addend.
1433
1434 2010-12-01  Ian Lance Taylor  <iant@google.com>
1435
1436         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
1437         virtual destructor.
1438
1439 2010-12-01  Ian Lance Taylor  <iant@google.com>
1440
1441         * README: Update compilers known to work and fail.
1442
1443 2010-11-23  Matthias Klose  <doko@ubuntu.com>
1444
1445         * configure.in: For --enable-gold, handle value `default' instead of
1446         `both*'.  Always install ld as ld.bfd, install as ld if gold is
1447         not the default.
1448         * configure: Regenerate.
1449
1450 2010-11-18  Doug Kwan  <dougkwan@google.com>
1451
1452         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
1453         and right_alignment to be zero.  Store result alignment only if it is
1454         greater than existing alignment.
1455
1456 2010-11-16  Cary Coutant  <ccoutant@google.com>
1457
1458         PR gold/12220
1459         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1460         Check for ".zdebug_line".
1461
1462 2010-11-16  Doug Kwan  <dougkwan@google.com>
1463             Cary Coutant  <ccoutant@google.com>
1464
1465         * output.h (Output_segment::set_section_addresses): Pass increase_relro
1466         by reference; adjust all callers.
1467         * output.cc (Output_segment::set_section_addresses): Adjust references
1468         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
1469         list is empty.
1470         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
1471         end at page boundary.
1472
1473 2010-11-16  Cary Coutant  <ccoutant@google.com>
1474
1475         PR gold/12220
1476         * layout.cc (Layout::choose_output_section): Transform names of
1477         compressed sections even when using a script with a SECTIONS clause.
1478         (Layout::output_section_name): Remove code to transform
1479         compressed debug section names.
1480         * output.cc (Output_section::add_input_section): Use uncompressed
1481         section size when tracking input sections.
1482
1483 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
1484
1485         * symtab.h (Symbol::NON_PIC_REF): Remove.
1486         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
1487         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
1488         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
1489         (Symbol::use_plt_offset): Take a flags argument and pass it
1490         directly to needs_dynamic_reloc.  Restrict check for undefined
1491         weak symbols to function calls.
1492         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
1493         (Target_arm::Scan::global): Use it.
1494         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
1495         (Target_arm::Relocate::relocate): Likewise.
1496         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
1497         parameter with an r_type parameter.  Use get_reference_flags
1498         to get the flags.
1499         (Target_arm::Relocate::relocate): Update accordingly.
1500         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
1501         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
1502         (Target_i386::Scan::global): Likewise.
1503         (Target_i386::Relocate::relocate): Likewise.
1504         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
1505         parameter with an r_type parameter.  Use get_reference_flags
1506         to get the flags.
1507         (Target_i386::Relocate::relocate): Update accordingly.
1508         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1509         (Target_powerpc::Scan::global): Use it.
1510         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1511         (Target_powerpc::Relocate::relocate): Likewise.
1512         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1513         (Target_sparc::Scan::global): Use it.
1514         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1515         (Target_sparc::Relocate::relocate): Likewise.
1516         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1517         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1518         (Target_x86_64::Scan::global): Likewise.
1519         (Target_x86_64::Relocate::relocate): Likewise.
1520
1521 2010-11-08  Doug Kwan  <dougkwan@google.com>
1522             Cary Coutant  <ccoutant@google.com>
1523
1524         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1525         (Arm_exidx_merge_section::section_contents_): New data member.
1526         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1527         (Arm_input_section::~Arm_input_section): De-allocate memory.
1528         (Arm_input_section::original_contents_): New data member.       
1529         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1530         in parameters instead of calling Object::section_contents without
1531         locking.
1532         (Arm_output_section::group_section): New parameter TASK.  Pass it
1533         to callees that need locking objects.
1534         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1535         to lock EXIDX input sections.  Fix a formatting issue.  Call
1536         Arm_exidx_merged_section::build_contents to create merged section
1537         contents.
1538         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1539         to lock object of stub table owner.
1540         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1541         TEXT_SIZE to initialize data member TEXT_SIZE_.
1542         (Arm_exidx_input_section::addralign): Fix typo in comment.
1543         (Arm_exidx_input_section::text_size): New method.
1544         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1545         that require locking objects.  Lock objects before scanning for stubs
1546         and updating local symbols.
1547         (Arm_input_section<big_endian>::init): Copy contents of original
1548         input section.
1549         (Arm_input_section<big_endian>::do_write): Use saved contents of
1550         original input section instead of calling Object::section_contents
1551         without locking.
1552         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1553         size without calling Object::section_size().
1554         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1555         for size.  Allocate a buffer for merged EXIDX entries.
1556         (Arm_exidx_merged_section::build_contents): New method.
1557         (Arm_exidx_merged_section::do_write): Move merge section contents
1558         building code to Arm_exidx_merged_section::build_contetns.  Write
1559         out contetns in buffer instead of building it on the fly.
1560         (Arm_relobj::make_exidx_input_section): Also pass text section size
1561         to Arm_exidx_input_section constructor.
1562         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1563         (Arm_dynobj::do_read_symbols): Fix memory leak.
1564         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1565         * target.h: (class Task): Add forward declaration.
1566         (Target::relax): Add new parameter TASK and pass it to
1567         Target::do_relax().
1568         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1569
1570 2010-11-05  Cary Coutant  <ccoutant@google.com>
1571
1572         PR gold/10708
1573         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1574         object when reading from the file.
1575         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1576         second layout pass.
1577         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1578         when reading section contents.
1579         (get_section_contents): Likewise.
1580         (icf::find_identical_sections): Likewise.
1581         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1582         object when reading from the file.
1583         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1584         the object when doing deferred section layout.
1585
1586 2010-11-03  Nick Clifton  <nickc@redhat.com>
1587
1588         PR gold/12001
1589         * script.h (class Symbol_assignment: name): New member.  Returns
1590         the name of the symbol.
1591         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1592         Returns true if the given symbol name is on the list of
1593         assignments wating to be processed.
1594         * archive.cc (should_incldue_member): If the symbol is undefined,
1595         check to see if it is on the list of symbols pending assignment.
1596
1597 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1598
1599         * script-sections.cc (Script_sections::find_memory_region): Check
1600         for a NULL output section pointer.
1601
1602 2010-10-29  Doug Kwan  <dougkwan@google.com>
1603
1604         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1605         Output_section::add_relaxed_input_section.
1606         * output.cc (Output_section::add_relaxed_input_section): Add new
1607         arguments LAYOUT and NAME.  Set section order index.
1608         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1609         Copy section order index.
1610         * output.h (Output_section::add_relaxed_input_section): Add new
1611         arguments LAYOUT and NAME.
1612
1613 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1614
1615         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1616         NATIVE_OR_CROSS_LINKER.
1617         * testsuite/Makefile.in: Regenerate.
1618
1619 2010-10-20  Doug Kwan  <dougkwan@google.com>
1620
1621         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1622         without SHF_LINK_ORDER flags.
1623         * layout.cc (Layout::choose_output_section): Do not filter
1624         SHF_LINK_ORDER flag in a relocatable link.
1625
1626 2010-10-17  Cary Coutant  <ccoutant@google.com>
1627
1628         * output.h (Output_segment::set_section_addresses): Change function
1629         signature.  Update all callers.
1630         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1631         sections.
1632         (Output_segment::set_section_addresses): Align after last TLS
1633         section.  Add padding before last relro section instead of after.
1634
1635 2010-10-17  Doug Kwan  <dougkwan@google.com>
1636
1637         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1638         GOT output section to be writable.
1639
1640 2010-10-14  Cary Coutant  <ccoutant@google.com>
1641
1642         * debug.h (DEBUG_INCREMENTAL): New flag.
1643         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1644         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1645         mode.
1646         * incremental.cc (report_command_line): Ignore all forms of
1647         --incremental.
1648         * layout.cc (Layout::Layout): Check parameters for incremental link
1649         mode.
1650         * options.cc (General_options::parse_incremental): New function.
1651         (General_options::parse_no_incremental): New function.
1652         (General_options::parse_incremental_full): New function.
1653         (General_options::parse_incremental_update): New function.
1654         (General_options::incremental_mode_): New data member.
1655         (General_options::finalize): Check incremental_mode_.
1656         * options.h (General_options): Update help text for --incremental.
1657         Add --no-incremental, --incremental-full, --incremental-update.
1658         (General_options::Incremental_mode): New enum type.
1659         (General_options::incremental_mode): New function.
1660         (General_options::incremental_mode_): New data member.
1661         * parameters.cc (Parameters::incremental_mode_): New data member.
1662         (Parameters::set_options): Set incremental_mode_.
1663         (Parameters::set_incremental_full): New function.
1664         (Parameters::incremental): New function.
1665         (Parameters::incremental_update): New function.
1666         (set_parameters_incremental_full): New function.
1667         * parameters.h (Parameters::set_incremental_full): New function.
1668         (Parameters::incremental): New function.
1669         (Parameters::incremental_update): New function.
1670         (Parameters::incremental_mode_): New data member.
1671         (set_parameters_incremental_full): New function.
1672         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1673         incremental link mode.
1674         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1675         (Sized_relobj::do_relocate_sections): Likewise.
1676         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1677         option.
1678         * testsuite/Makefile.in: Regenerate.
1679         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1680
1681 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1682
1683         * script-sections.h (class Script_sections): Make
1684         Sections_elements typedef public.
1685         * script-sections.cc (class Sort_output_sections): Add elements_
1686         field.  Add constructor which sets it; change all callers.
1687         (Sort_output_sections::is_before): New function.
1688         (Sort_output_sections::operator()): Call is_before.
1689         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1690         conditional.
1691         * testsuite/script_test_10.sh: New test. Test script section
1692         order.
1693         * testsuite/script_test_10.t: Likewise.
1694         * testsuite/script_test_10.s: Likewise.
1695         * testsuite/Makefile.am: Wrap the cross linker tests and the
1696         common tests into NATIVE_OR_CROSS_LINKER.
1697         (check_SCRIPTS): Add script_test_10.sh.
1698         (check_DATA): Add script_test_10.stdout.
1699         (script_test_10.o, script_test_10): New targets.
1700         (script_test_10.stdout): New target.
1701         * configure, testsuite/Makefile.in: Regenerate.
1702
1703 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1704
1705         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1706         error for the deprecated relocations.
1707         (Target_arm::Scan::global): Likewise.
1708         (Target_arm::Relocate::relocate): Likewise.
1709
1710 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1711
1712         * fileread.cc (Input_file::find_file): Initialize *found_name
1713         and *namep when using the fallback search for case 4.
1714
1715 2010-10-11  Cary Coutant  <ccoutant@google.com>
1716
1717         * options.h (class General_options): Redefine -z lazy as an alias for
1718         the negation of -z now.
1719
1720 2010-10-11  Ian Lance Taylor  <iant@google.com>
1721
1722         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1723         binding.
1724
1725 2010-10-06  Nick Clifton  <nickc@redhat.com>
1726
1727         * script-sections.cc(class Memory_region): Remove
1728         current_lma_offset_ field.  Rename current_vma_offset_ to
1729         current_offset_.  Add last_section_ field.
1730         (Memory_region::get_current_vma_address): Rename to
1731         get_current_address.
1732         (Memory_region::get_current_lma_address): Delete.
1733         (Memory_region::increment_vma_offset): Rename to
1734         increment_offset.
1735         (Memory_region::increment_lma_offset): Delete.
1736         (Memory_region::attributes_compatible): New method.  Returns
1737         true if the provided section is compatible with the region.
1738         (Memory_region::get_last_section): New method.  Returns the last
1739         section to use the region.
1740         (Memory_region::set_last_section): New method.  Stores the last
1741         section to use the region.
1742         (Script_sections::block_in_region): New method.  Returns true if
1743         a block of memory is contained within a region.
1744         (Script_sections::find_memory_region): New method.  Locates a
1745         memory region to be used to set a VMA or LMA address.
1746         (Output_section_definition::set_section_addresses): Add code to
1747         check for addresses set by memory regions.
1748         (Output_segment::set_section_addresses): Remove memory region
1749         walking code.
1750         (Script_sections::create_segment): Add a warning if a header
1751         segment is created outside of any region.
1752         * script-sections.h (class Script_sections): Add prototypes for
1753         find_memory_region and block_in_region methods.
1754         * testsuite/memory_test.s: Use .long instead of .word.
1755         * testsuite/memory_test.t: Add some more output sections.
1756         * testsuite/memory_test.sh: Update expected output.
1757
1758 2010-10-02  Doug Kwan  <dougkwan@google.com>
1759
1760         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1761         defintion to symtab.h
1762         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1763         declaration to defintion.
1764
1765 2010-10-01  Nick Clifton  <nickc@redhat.com>
1766
1767         * expression.cc (eval): Replace dummy argument with NULL.
1768         (eval_maybe_dot): Check for a NULL result section pointer.
1769         (Symbol_expression::value): Likewise.
1770         (Dot_expression::value): Likewise.
1771         (BINARY_EXPRESSION): Likewise.
1772         (Max_expression::value): Likewise.
1773         (Min_expression::value): Likewise.
1774         (Absolute_expression::value): Likewise.
1775         (Addr_expression::value_from_output_section): Likewise.
1776         (Loaddddr_expression::value_from_output_section): Likewise.
1777         (Segment_start_expression::value): Likewise.
1778         * script-sections.cc
1779         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1780         argument with NULL.
1781         (Sections_elememt_dot_assignment::set_section_addresses):
1782         Likewise.
1783         (Output_data_expression::do_write_to_buffer): Likewise.
1784         (Output_section_definition::finalize_symbols): Likewise.
1785         (Output_section_definition::set_section_addresses): Likewise.
1786
1787 2010-09-30  Doug Kwan  <dougkwan@google.com>
1788
1789         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1790
1791 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1792
1793         * target.h (Target::can_icf_inline_merge_sections): New virtual
1794         function.
1795         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1796         virtual function.
1797         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1798         virtual function.
1799         * icf.cc (get_section_contents): Inline merge sections only when
1800         target allows it.
1801
1802 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1803
1804         * configure: Regenerate.
1805
1806 2010-09-17  Ian Lance Taylor  <iant@google.com>
1807
1808         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1809         * testsuite/Makefile.am (memory_test.o): New target.
1810         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1811         memory_test.t.
1812         * testsuite/Makefile.in: Rebuild.
1813
1814 2010-09-17  Doug Kwan  <dougkwan@google.com>
1815
1816         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
1817         defintion if relocation uses GOT entries of the symbol.
1818         * testsuite/icf_safe_test.sh: Fix test.
1819         * testsuite/icf_safe_so_test.sh: Fix test.
1820
1821 2010-09-16  Cary Coutant  <ccoutant@google.com>
1822
1823         * script_sections.cc (class Memory_region): Remove "NULL" from
1824         vector initializations.
1825
1826 2010-09-15  Cary Coutant  <ccoutant@google.com>
1827
1828         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
1829         Resolve forwarding symbols.
1830
1831 2010-09-15  Doug Kwan  <dougkwan@google.com>
1832
1833         * gold/testsuite/script_test_3.t: Add ARM special sections.
1834         * gold/testsuite/script_test_4.t: Same.
1835         * gold/testsuite/script_test_5.t: Same.
1836         * gold/testsuite/script_test_6.t: Same.
1837         * gold/testsuite/script_test_7.t: Same.
1838         * gold/testsuite/script_test_7.t: Same.
1839         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
1840
1841 2010-09-14  Cary Coutant  <ccoutant@google.com>
1842
1843         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
1844         (Target_x86_64::Relocate::relocate_tls): Replace check for
1845         saw_tls_block_reloc_ with test for executable section.
1846
1847 2010-09-12  Cary Coutant  <ccoutant@google.com>
1848
1849         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
1850         position-independent executables to shared libraries need dynamic
1851         relocations.
1852         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
1853         position-independent executables.
1854         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
1855         * testsuite/Makefile.in: Regenerate.
1856
1857 2010-09-10  Nick Clifton  <nickc@redhat.com>
1858
1859         PR gold/11997
1860         * testsuite/memory_test.t: Discard any sections that are not
1861         needed.
1862
1863 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1864
1865         PR gold/11996
1866         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
1867         "This::" to work around a bug in gcc 4.2.
1868
1869         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
1870
1871 2010-09-09  Rafael Espindola  <espindola@google.com>
1872
1873         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
1874         sections with different PF_X flags in the same segment.
1875         (Layout::find_first_load_seg): Search all segments to find the first
1876         one.
1877         * options.h (rosegment): New.
1878
1879 2010-09-08  Rafael Espindola  <espindola@google.com>
1880
1881         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
1882
1883 2010-09-08  Doug Kwan  <dougkwan@google.com>
1884
1885         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
1886         (Arm_relobj::do_relocate_sections): Add new parameter for output
1887         file to match the parent.
1888         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
1889         of local symbols instead of input values.  Update code to track
1890         changes in gold::relocate_section.
1891         * object.cc (Sized_relobj::compute_final_local_value): New methods.
1892         (Sized_relobj::compute_final_local_value_internal): New methods.
1893         (Sized_relobj::do_finalize_local_symbols): Move code from loop
1894         body into private version of Sized_relobj::compute_final_local_value.
1895         Call the inline method.
1896         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
1897         merged symbol value if there is one.
1898         (Symbol_value::has_output_value): New method defintiion.
1899         (Sized_relobj::Compute_final_local_value_status): New enum type.
1900         (Sized_relobj::compute_final_local_value): New methods.
1901         (Sized_relobj::compute_final_local_value_internal): New methods.
1902         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
1903         and arm_cortex_a8.sh.
1904         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
1905         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
1906         New tests.
1907         * Makefile.in: Regenerate.
1908         * testsuite/arm_bl_out_of_range.s: Update test.
1909         * testsuite/thumb_bl_out_of_range.s: Ditto.
1910         * testsuite/thumb_blx_out_of_range.s: Ditto.
1911         * testsuite/arm_branch_out_of_range.sh: New file.
1912         * testsuite/arm_cortex_a8.sh: Ditto.
1913         * testsuite/arm_cortex_a8_b.s: Ditto.
1914         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
1915         * testsuite/arm_cortex_a8_b_local.s: Ditto.
1916         * testsuite/arm_cortex_a8_bl.s: Ditto.
1917         * testsuite/arm_cortex_a8_blx.s: Ditto.
1918         * testsuite/arm_cortex_a8_local.s: Ditto.
1919         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
1920         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
1921
1922 2010-09-08  Rafael Espindola  <espindola@google.com>
1923
1924         * Makefile.am (memory_test.stdout): Run readelf with -W.
1925         * Makefile.in: Regenerate.
1926         * testsuite/memory_test.sh: Make the regexps accept both 32 and
1927         64 bit output.
1928
1929 2010-09-08  Rafael Espindola  <espindola@google.com>
1930
1931         * script-sections.cc (Script_sections::add_memory_region): Convert
1932         field precision to int.
1933         * script.cc (script_set_section_region, script_set_section_region):
1934         Convert field precision to int.
1935
1936 2010-09-08  Rafael Espindola  <espindola@google.com>
1937
1938         * arm.cc (do_finalize_sections): Create the __exidx_start and
1939         __exdix_end symbols even when the section is missing.
1940
1941 2010-09-08  Nick Clifton  <nickc@redhat.com>
1942
1943         * README: Remove claim that MEMORY is not supported.
1944         * expression.cc (script_exp_function_origin)
1945         (script_exp_function_length): Move from here to ...
1946         * script.cc: ... here.
1947         (script_set_section_region, script_add_memory)
1948         (script_parse_memory_attr, script_include_directive): New
1949         functions.
1950         * script-sections.cc
1951         (class Memory_region): New class.
1952         (class Output_section_definition): Add set_memory_region,
1953         set_section_vma, set_section_lma and get_section_name methods.
1954         (class Script_Sections): Add add_memory_region,
1955         find_memory_region, find_memory_region_origin,
1956         find_memory_region_length and set_memory_region methods.
1957         Have set_section_addresses method walk the list of set memory
1958         regions.
1959         Extend the print methos to display memory regions.
1960         * script-sections.h: Add prototypes for new methods.
1961         Add enum for MEMORY region attributes.
1962         * yyscript.y: Add support for parsing MEMORY regions.
1963         * script-c.h: Add prototypes for new functions.
1964         * testsuite/Makefile.am: Add test of MEMORY region functionality.
1965         * testsuite/Makefile.in: Regenerate.
1966         * testsuite/memory_test.sh: New script.
1967         * testsuite/memory_test.s: New assembler source file.
1968         * testsuite/memory_test.t: New linker script.
1969
1970 2010-08-27  Doug Kwan  <dougkwan@google.com>
1971
1972         * gold/resolve.cc (Symbol_table::should_override): Let a weak
1973         reference override an existing dynamic weak reference.
1974         * testsuite/Makefile.am: Add new test dyn_weak_ref.
1975         * testsuite/Makefile.in: Regenerate.
1976         * testsuite/dyn_weak_ref.sh: New file.
1977         * testsuite/dyn_weak_ref_1.c: Ditto.
1978         * testsuite/dyn_weak_ref_2.c: Ditto.
1979
1980 2010-08-27  Ian Lance Taylor  <iant@google.com>
1981
1982         * incremental.h (class Incremental_input_entry): Add virtual
1983         destructor.
1984
1985 2010-08-27  Ian Lance Taylor  <iant@google.com>
1986
1987         * testsuite/start_lib_test_3.c: Mark t3 as used.
1988
1989 2010-08-27  Nick Clifton  <nickc@redhat.com>
1990
1991         * options.cc (version_script): Fix small typo in previous
1992         whitespace tidyup.
1993
1994 2010-08-25  Nick Clifton  <nickc@redhat.com>
1995
1996         * archive.cc: Formatting fixes: Remove whitespace between
1997         typename and following asterisk.  Remove whitespace between
1998         function name and opening parenthesis.
1999         * archive.h: Likewise.
2000         * arm.cc: Likewise.
2001         * attributes.cc: Likewise.
2002         * attributes.h: Likewise.
2003         * common.cc: Likewise.
2004         * copy-relocs.cc: Likewise.
2005         * dirsearch.h: Likewise.
2006         * dynobj.cc: Likewise.
2007         * ehframe.cc: Likewise.
2008         * ehframe.h: Likewise.
2009         * expression.cc: Likewise.
2010         * fileread.cc: Likewise.
2011         * fileread.h: Likewise.
2012         * gc.h: Likewise.
2013         * gold-threads.cc: Likewise.
2014         * gold.cc: Likewise.
2015         * i386.cc: Likewise.
2016         * icf.h: Likewise.
2017         * incremental-dump.cc: Likewise.
2018         * incremental.cc: Likewise.
2019         * layout.cc: Likewise.
2020         * layout.h: Likewise.
2021         * main.cc: Likewise.
2022         * merge.cc: Likewise.
2023         * merge.h: Likewise.
2024         * object.cc: Likewise.
2025         * object.h: Likewise.
2026         * options.cc: Likewise.
2027         * options.h: Likewise.
2028         * output.cc: Likewise.
2029         * output.h: Likewise.
2030         * plugin.cc: Likewise.
2031         * plugin.h: Likewise.
2032         * powerpc.cc: Likewise.
2033         * reloc.cc: Likewise.
2034         * script-c.h: Likewise.
2035         * script-sections.cc: Likewise.
2036         * script.cc: Likewise.
2037         * stringpool.cc: Likewise.
2038         * symtab.cc: Likewise.
2039         * symtab.h: Likewise.
2040         * target.cc: Likewise.
2041         * timer.cc: Likewise.
2042         * timer.h: Likewise.
2043         * version.cc: Likewise.
2044         * x86_64.cc: Likewise.
2045
2046 2010-08-24  Nick Clifton  <nickc@redhat.com>
2047
2048         PR 11899
2049         * layout.cc (segment_precedes): Sort segments by their physical
2050         addresses, if they have been set.
2051
2052 2010-08-23  Cary Coutant  <ccoutant@google.com>
2053
2054         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2055         symbols data.
2056         (Lib_group::include_member): Unlock object after deleting its
2057         symbols data.
2058         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2059         the bug fixed here.
2060
2061 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2062             Cary Coutant  <ccoutant@google.com>
2063
2064         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2065         constructor, and set_blocker.
2066         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2067         readsyms_blocker_.
2068         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2069         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2070         * testsuite/Makefile.am (start_lib_test): New test case.
2071         * testsuite/Makefile.in: Regenerate.
2072         * testsuite/start_lib_test_main.c: New file.
2073         * testsuite/start_lib_test_1.c: New file.
2074         * testsuite/start_lib_test_2.c: New file.
2075         * testsuite/start_lib_test_3.c: New file.
2076
2077 2010-08-19  Ian Lance Taylor  <iant@google.com>
2078
2079         * Makefile.in: Rebuild with automake 1.11.1.
2080         * aclocal.m4: Likewise.
2081         * testsuite/Makefile.in: Likewise.
2082
2083 2010-08-19  Ian Lance Taylor  <iant@google.com>
2084
2085         PR 10893
2086         * i386.cc (class Output_data_plt_i386): Update declarations.
2087         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2088         local_ifuncs_ fields.
2089         (Target_i386::do_plt_section_for_global): New function.
2090         (Target_i386::do_plt_section_for_local): New function.
2091         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2092         parameter; change all callers.  Initialize global_ifuncs_ and
2093         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2094         __rel_iplt_end.
2095         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2096         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2097         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2098         symbols.
2099         (Target_i386::make_plt_section): New function, broken out of
2100         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2101         (Target_i386::make_plt_entry): Call make_plt_section.
2102         (Target_i386::make_local_ifunc_plt_entry): New function.
2103         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2104         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2105         R_386_IRELATIVE to switch.
2106         (Target_i386::Scan::global): Likewise.
2107         (Target_i386::Relocate::relocate): Likewise.
2108         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2109         switch.
2110         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2111         (Target_x86_64::do_plt_section_for_global): New function.
2112         (Target_x86_64::do_plt_section_for_local): New function.
2113         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2114         parameter; change all callers.  If doing a static link define
2115         __rela_iplt_start and __rela_iplt_end.
2116         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2117         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2118         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2119         to point to .plt.
2120         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2121         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2122         switch.
2123         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2124         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2125         R_X86_64_IRELATIVE to switch.
2126         (Target_x86_64::Scan::global): Likewise.
2127         (Target_x86_64::Relocate::relocate): Likewise.
2128         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2129         switch.
2130         * target.h (class Target): Add plt_section_for_global and
2131         plt_section_for_local functions.  Add do_plt_section_for_global
2132         and do_plt_section_for_local virtual functions.
2133         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2134         clarifying comments.
2135         (Symbol::use_plt_offset): Handle IFUNC symbol.
2136         * object.cc (Sized_relobj::Sized_relobj): Initialize
2137         local_plt_offsets_.
2138         (Sized_relobj::local_has_plt_offset): New function.
2139         (Sized_relobj::local_plt_offset): New function.
2140         (Sized_relobj::set_local_plt_offset): New function.
2141         (Sized_relobj::do_count): Handle IFUNC symbol.
2142         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2143         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2144         is_ifunc_symbol functions.
2145         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2146         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2147         local_plt_offsets_ field.
2148         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2149         * output.h (class Output_section_data): Add non-const
2150         output_section function.
2151         (class Output_data_got): Update declarations.
2152         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2153         Add use_plt_offset parameter to global and local constructors.
2154         Change all callers.  Change local_sym_index_ field to 31 bits.
2155         Change GSYM_CODE and CONSTANT_CODE accordingly.
2156         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2157         doing a static link don't set sh_link field.
2158         (Output_data_got::Got_entry::write): Use PLT offset if
2159         appropriate.
2160         (Output_data_got::add_global_plt): New function.
2161         (Output_data_got::add_local_plt): New function.
2162         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2163         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2164         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2165         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2166         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2167         IFUNC conditional.
2168         * testsuite/ifunc-sel.h: New file.
2169         * testsuite/ifuncmain1.c: New file.
2170         * testsuite/ifuncmain1vis.c: New file.
2171         * testsuite/ifuncmod1.c: New file.
2172         * testsuite/ifuncdep2.c: New file.
2173         * testsuite/ifuncmain2.c: New file.
2174         * testsuite/ifuncmain3.c: New file.
2175         * testsuite/ifuncmod3.c: New file.
2176         * testsuite/ifuncmain4.c: New file.
2177         * testsuite/ifuncmain5.c: New file.
2178         * testsuite/ifuncmod5.c: New file.
2179         * testsuite/ifuncmain6pie.c: New file.
2180         * testsuite/ifuncmod6.c: New file.
2181         * testsuite/ifuncmain7.c: New file.
2182         * configure, testsuite/Makefile.in: Rebuild.
2183
2184 2010-08-18  Ian Lance Taylor  <iant@google.com>
2185
2186         * incremental.cc
2187         (Output_section_incremental_inputs::write_input_files): Add cast
2188         to avoid signed/unsigned comparison warning.
2189         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2190
2191 2010-08-12  Cary Coutant  <ccoutant@google.com>
2192
2193         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2194
2195 2010-08-13  Ian Lance Taylor  <iant@google.com>
2196
2197         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2198
2199 2010-08-12  Cary Coutant  <ccoutant@google.com>
2200             Doug Kwan  <dougkwan@google.com>
2201
2202         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2203         defintion overrides non-weak undef, remember that the original undef
2204         is not weak.
2205         * symtab.cc (Symbol_table::sized_write_global): For undef without
2206         an original weak binding, set binding to global in output.
2207         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2208         * testsuite/Makefile.in: Regenerate.
2209         * testsuite/strong_ref_weak_def.sh: New file.
2210         * testsuite/strong_ref_weak_def_1.c: Ditto.
2211         * testsuite/strong_ref_weak_def_2.c: Ditto.
2212
2213 2010-08-12  Cary Coutant  <ccoutant@google.com>
2214
2215         * testsuite/incremental_test.sh: Rewrite.
2216         * testsuite/incremental_test_1.c: Rewrite.
2217         * testsuite/incremental_test_2.c: Rewrite.
2218
2219 2010-08-12  Cary Coutant  <ccoutant@google.com>
2220
2221         * arm.cc (Target_arm::got_size): Add const.
2222         (Target_arm::got_entry_count): New function.
2223         (Target_arm::plt_entry_count): New function.
2224         (Target_arm::first_plt_entry_offset): New function.
2225         (Target_arm::plt_entry_size): New function.
2226         (Output_data_plt_arm::entry_count): New function.
2227         (Output_data_plt_arm::first_plt_entry_offset): New function.
2228         (Output_data_plt_arm::get_plt_entry_size): New function.
2229         * i386.cc (Target_i386::got_size): Add const.
2230         (Target_i386::got_entry_count): New function.
2231         (Target_i386::plt_entry_count): New function.
2232         (Target_i386::first_plt_entry_offset): New function.
2233         (Target_i386::plt_entry_size): New function.
2234         (Output_data_plt_i386::entry_count): New function.
2235         (Output_data_plt_i386::first_plt_entry_offset): New function.
2236         (Output_data_plt_i386::get_plt_entry_size): New function.
2237         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2238         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2239         * incremental.cc: Include target.h.
2240         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2241         parameter.  Adjust all callers.  Find incremental_got_plt section.
2242         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2243         section.
2244         (Output_section_incremental_inputs::set_final_data_size): Calculate
2245         size of incremental_got_plt section.
2246         (Output_section_incremental_inputs::do_write): Write the
2247         incremental_got_plt section.
2248         (Got_plt_view_info): New struct.
2249         (Local_got_offset_visitor): New class.
2250         (Global_got_offset_visitor): New class.
2251         (Global_symbol_visitor_got_plt): New class.
2252         (Output_section_incremental_inputs::write_got_plt): New function.
2253         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2254         Add parameter.  Adjust all callers.
2255         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2256         (Incremental_inputs::got_plt_section): New function.
2257         (Incremental_inputs::got_plt_section_): New data member.
2258         (Incremental_got_plt_reader): New class.
2259         * layout.cc (Layout::create_incremental_info_sections): Add the
2260         incremental_got_plt section.
2261         * object.h (Got_offset_list::get_list): New function.
2262         (Got offset_list::for_all_got_offsets): New function.
2263         (Sized_relobj::local_got_offset_list): New function.
2264         * powerpc.cc (Target_powerpc::got_size): Add const.
2265         (Target_powerpc::got_entry_count): New function.
2266         (Target_powerpc::plt_entry_count): New function.
2267         (Target_powerpc::first_plt_entry_offset): New function.
2268         (Target_powerpc::plt_entry_size): New function.
2269         (Output_data_plt_powerpc::entry_count): New function.
2270         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2271         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2272         * sparc.cc (Target_sparc::got_size): Add const.
2273         (Target_sparc::got_entry_count): New function.
2274         (Target_sparc::plt_entry_count): New function.
2275         (Target_sparc::first_plt_entry_offset): New function.
2276         (Target_sparc::plt_entry_size): New function.
2277         (Output_data_plt_sparc::entry_count): New function.
2278         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2279         (Output_data_plt_sparc::get_plt_entry_size): New function.
2280         * symtab.h (Symbol::got_offset_list): New function.
2281         (Symbol_table::for_all_symbols): New function.
2282         * target.h (Sized_target::got_entry_count): New function.
2283         (Sized_target::plt_entry_count): New function.
2284         (Sized_target::plt_entry_size): New function.
2285         * x86_64.cc (Target_x86_64::got_size): Add const.
2286         (Target_x86_64::got_entry_count): New function.
2287         (Target_x86_64::plt_entry_count): New function.
2288         (Target_x86_64::first_plt_entry_offset): New function.
2289         (Target_x86_64::plt_entry_size): New function.
2290         (Output_data_plt_x86_64::entry_count): New function.
2291         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2292         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2293
2294 2010-08-12  Cary Coutant  <ccoutant@google.com>
2295
2296         * archive.cc: Include incremental.h.
2297         (Archive::Archive): Initialize incremental_info_.
2298         (Archive::include_member): Record archive members in incremental info.
2299         (Add_archive_symbols::run): Record begin and end of an archive in
2300         incremental info.
2301         (Lib_group::include_member): Record objects in incremental info.
2302         * archive.h (Incremental_archive_entry): Forward declaration.
2303         (Archive::set_incremental_info): New member function.
2304         (Archive::incremental_info): New member function.
2305         (Archive::Unused_symbol_iterator): New class.
2306         (Archive::unused_symbols_begin): New member function.
2307         (Archive::unused_symbols_end): New member function.
2308         (Archive::incremental_info_): New data member.
2309         * incremental-dump.cc (find_input_containing_global): New function.
2310         (dump_incremental_inputs): Dump new incremental info sections.
2311         * incremental.cc: Include symtab.h.
2312         (Output_section_incremental_inputs): New class.
2313         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2314         new incremental info sections.
2315         (Sized_incremental_binary::do_check_inputs): Likewise.
2316         (Incremental_inputs::report_archive): Remove.
2317         (Incremental_inputs::report_archive_begin): New function.
2318         (Incremental_inputs::report_archive_end): New function.
2319         (Incremental_inputs::report_object): New function.
2320         (Incremental_inputs::finalize_inputs): Remove.
2321         (Incremental_inputs::report_input_section): New function.
2322         (Incremental_inputs::report_script): Rewrite.
2323         (Incremental_inputs::finalize): Do nothing but finalize string table.
2324         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2325         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2326         (Incremental_inputs::create_data_sections): New function.
2327         (Incremental_inputs::relocs_entsize): New function.
2328         (Output_section_incremental_inputs::set_final_data_size): New function.
2329         (Output_section_incremental_inputs::do_write): New function.
2330         (Output_section_incremental_inputs::write_header): New function.
2331         (Output_section_incremental_inputs::write_input_files): New function.
2332         (Output_section_incremental_inputs::write_info_blocks): New function.
2333         (Output_section_incremental_inputs::write_symtab): New function.
2334         * incremental.h (Incremental_script_entry): Forward declaration.
2335         (Incremental_object_entry): Forward declaration.
2336         (Incremental_archive_entry): Forward declaration.
2337         (Incremental_inputs): Forward declaration.
2338         (Incremental_inputs_header_data): Remove.
2339         (Incremental_inputs_header): Remove.
2340         (Incremental_inputs_header_write): Remove.
2341         (Incremental_inputs_entry_data): Remove.
2342         (Incremental_inputs_entry): Remove.
2343         (Incremental_inputs_entry_write): Remove.
2344         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2345         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2346         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2347         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2348         Likewise.
2349         (Incremental_input_entry): New class.
2350         (Incremental_script_entry): New class.
2351         (Incremental_object_entry): New class.
2352         (Incremental_archive_entry): New class.
2353         (Incremental_inputs::Incremental_inputs): Initialize new data members.
2354         (Incremental_inputs::report_inputs): Remove.
2355         (Incremental_inputs::report_archive): Remove.
2356         (Incremental_inputs::report_archive_begin): New function.
2357         (Incremental_inputs::report_archive_end): New function.
2358         (Incremental_inputs::report_object): Change prototype.
2359         (Incremental_inputs::report_input_section): New function.
2360         (Incremental_inputs::report_script): Change prototype.
2361         (Incremental_inputs::get_reloc_count): New function.
2362         (Incremental_inputs::set_reloc_count): New function.
2363         (Incremental_inputs::create_data_sections): New function.
2364         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2365         (Incremental_inputs::inputs_section): New function.
2366         (Incremental_inputs::symtab_section): New function.
2367         (Incremental_inputs::relocs_section): New function.
2368         (Incremental_inputs::get_stringpool): Add const.
2369         (Incremental_inputs::command_line): Add const.
2370         (Incremental_inputs::inputs): Remove.
2371         (Incremental_inputs::command_line_key): New function.
2372         (Incremental_inputs::input_file_count): New function.
2373         (Incremental_inputs::input_files): New function.
2374         (Incremental_inputs::relocs_entsize): New function.
2375         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2376         (Incremental_inputs::finalize_inputs): Remove.
2377         (Incremental_inputs::Input_info): Remove.
2378         (Incremental_inputs::lock_): Remove.
2379         (Incremental_inputs::inputs_): Change type.
2380         (Incremental_inputs::inputs_map_): Remove.
2381         (Incremental_inputs::current_object_entry_): New data member.
2382         (Incremental_inputs::inputs_section_): New data member.
2383         (Incremental_inputs::symtab_section_): New data member.
2384         (Incremental_inputs::relocs_section_): New data member.
2385         (Incremental_inputs::reloc_count_): New data member.
2386         (Incremental_inputs_reader): New class.
2387         (Incremental_symtab_reader): New class.
2388         (Incremental_relocs_reader): New class.
2389         * layout.cc (Layout::finalize): Move finalization of incremental info
2390         and creation of incremental info sections to follow finalization of
2391         symbol table.  Set offsets for postprocessing sections.
2392         (Layout::create_incremental_info_sections): Call
2393         Incremental_inputs::create_data_sections.  Add incremental symtab
2394         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
2395         sections to layout after input sections.
2396         * layout.h (struct Timespec): Forward declaration.
2397         (Layout::incremental_inputs): Add const.
2398         (Layout::create_incremental_info_sections): Add parameter.
2399         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
2400         * object.cc: Include incremental.h.
2401         (Relobj::finalize_incremental_relocs): New function.
2402         (Sized_relobj::do_layout): Record input sections in incremental info.
2403         * object.h (Object::output_section): New function.
2404         (Object::output_section_offset): Moved from Relobj.
2405         (Object::get_incremental_reloc_base): New function.
2406         (Object::get_incremental_reloc_count): New function.
2407         (Object::do_output_section): New function.
2408         (Object::do_output_section_offset): Moved from Relobj.
2409         (Object::do_get_incremental_reloc_base): New function.
2410         (Object::do_get_incremental_reloc_count): New function.
2411         (Object::Object): Initialize new data members.
2412         (Relobj::output_section): Renamed do_output_section and moved to
2413         protected.
2414         (Relobj::output_section_offset): Moved to Object.
2415         (Relobj::do_get_incremental_reloc_base): New function.
2416         (Relobj::do_get_incremental_reloc_count): New function.
2417         (Relobj::allocate_incremental_reloc_counts): New function.
2418         (Relobj::count_incremental_reloc): New function.
2419         (Relobj::finalize_incremental_relocs): New function.
2420         (Relobj::next_incremental_reloc_index): New function.
2421         (Relobj::reloc_counts_): New data member.
2422         (Relobj::reloc_bases_): New data member.
2423         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
2424         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
2425         (Sized_relobj::incremental_relocs_scan): New function.
2426         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2427         (Sized_relobj::incremental_relocs_write): New function.
2428         (Sized_relobj::incremental_relocs_write_reltype): New function.
2429         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
2430         incremental link.
2431         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
2432         archives and object files elsewhere.
2433         (Add_symbols::run): Report object files here.
2434         (Finish_group::run): Report end of archive at end of group.
2435         * reloc.cc: Include layout.h, incremental.h.
2436         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
2437         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
2438         (Sized_relobj::incremental_relocs_scan): New function.
2439         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2440         (Sized_relobj::do_relocate_sections): Write incremental relocations.
2441         (Sized_relobj::incremental_relocs_write): New function.
2442         (Sized_relobj::incremental_relocs_write_reltype): New function.
2443         * script.cc (read_input_script): Rewrite test for incremental link.
2444         Change call to Incremental_inputs::report_script.
2445         * symtab.h (Symbol_table::first_global_index): New function.
2446         (Symbol_table::output_count): New function.
2447
2448 2010-08-12  Doug Kwan  <dougkwan@google.com>
2449
2450         * arm.cc (Target_arm::merge_object_attributes): Check command line
2451         options --no-wchar-size-warning and --no-enum-size-warning.
2452         * options.h (General_options): Add ld-compatible options
2453         --no-enum-size-warning and --no-wchar-size-warning.
2454
2455 2010-08-04  Ian Lance Taylor  <iant@google.com>
2456
2457         * x86_64.cc (Target_x86_64::Scan::local): Use
2458         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
2459         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
2460         (Target_x86_64::Scan::global): Likewise.
2461         (Target_x86_64::Relocate::relocate): Likewise.
2462         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
2463         Likewise.
2464
2465 2010-08-03  Cary Coutant  <ccoutant@google.com>
2466
2467         * merge.cc (Output_merge_string::do_add_input_section): Count strings
2468         to reserve space in merged_strings vector. Keep total input size
2469         for stats.
2470         (Output_merge_string::do_print_merge_stats): Print total input size.
2471         * merge.h (Output_merge_string): Add input_size_ field.
2472         * stringpool.cc (Stringpool_template::string_length): Move
2473         implementations out of Stringpool_template class and place in
2474         stringpool.h.
2475         * stringpool.h (string_length): Move out of Stringpool_template.
2476
2477 2010-08-03  Ian Lance Taylor  <iant@google.com>
2478
2479         PR 11712
2480         * layout.cc (relaxation_loop_body): If address of load segment is
2481         set, adjust address to include headers if possible.
2482
2483 2010-08-03  Ian Lance Taylor  <iant@google.com>
2484
2485         * version.cc (version_string): Bump to 1.10.
2486
2487 2010-08-03  Ian Lance Taylor  <iant@google.com>
2488
2489         PR 11805
2490         * layout.h (enum Output_section_order): Define.
2491         (class Layout): Update declarations.
2492         * layout.cc (Layout::get_output_section): Add order parameter.
2493         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
2494         is_first_non_relro parameters.  Change all callers.
2495         (Layout::choose_output_section): Likewise.
2496         (Layout::add_output_section_data): Likewise.
2497         (Layout::make_output_section): Likewise.  Set order.
2498         (Layout::default_section_order): New function.
2499         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
2500         * output.cc (Output_section::Output_section): Initialize order_.
2501         Don't initialize deleted fields.
2502         (Output_segment::Output_segment): Don't initialize deleted
2503         fields.
2504         (Output_segment::add_output_section_to_load): New function
2505         replacing add_output_section.  Change all callers to call this or
2506         add_output_section_to_nonload.
2507         (Output_segment::add_output_section_to_nonload): New function.
2508         (Output_segment::remove_output_section): Rewrite.
2509         (Output_segment::add_initial_output_data): Likewise.
2510         (Output_segment::has_any_data_sections): Likewise.
2511         (Output_segment::is_first_section_relro): Likewise.
2512         (Output_segment::maximum_alignment): Likewise.
2513         (Output_segment::has_dynamic_reloc): New function replacing
2514         dynamic_reloc_count.  Change all callers.
2515         (Output_segment::has_dynamic_reloc_list): New function replacing
2516         dynamic_reloc_count_list.  Change all callers.
2517         (Output_segment::set_section_addresses): Rewrite.
2518         (Output_segment::set_offset): Rewrite.
2519         (Output_segment::find_first_and_last_list): Remove.
2520         (Output_segment::set_tls_offsets): Rewrite.
2521         (Output_segment::first_section_load_address): Likewise.
2522         (Output_segment::output_section_count): Likewise.
2523         (Output_segment::section_with_lowest_load_address): Likewise.
2524         (Output_segment::write_section_headers): Likewise.
2525         (Output_segment::print_sections_to_map): Likewise.
2526         * output.h (class Output_data): Remove dynamic_reloc_count_
2527         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2528         (Output_data::add_dynamic_reloc): Rewrite.
2529         (Output_data::has_dynamic_reloc): New function.
2530         (Output_data::dynamic_reloc_count): Remove.
2531         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2532         is_last_relro_, is_first_non_relro_, is_interp_,
2533         is_dynamic_linker_section_ fields.  Add order and set_order
2534         functions.  Remove is_relro_local, set_is_relro_local,
2535         is_last_relro, set_is_last_relro, is_first_non_relro,
2536         set_is_first_non_relro functions, is_interp, set_is_interp,
2537         is_dynamic_linker_section, and set_is_dynamic_linker_section
2538         functions.
2539         (class Output_segment): Change Output_data_list from std::list to
2540         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2541         output_bss_ fields.  Update declarations.
2542
2543 2010-08-02  Ian Lance Taylor  <iant@google.com>
2544
2545         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2546         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2547         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2548
2549 2010-08-02  Ian Lance Taylor  <iant@google.com>
2550
2551         PR 11855
2552         * script.cc (Script_options::Script_options): Initialize
2553         symbol_definitions_ and symbol_references_.
2554         (Script_options::add_symbol_assignment): Update
2555         symbol_definitions_ and symbol_references_.
2556         (Script_options::add_symbol_reference): New function.
2557         (script_symbol): New function.
2558         * script.h (class Script_options): Add symbol_definitions_ and
2559         symbol_references_ fields.
2560         (Script_options::referenced_const_iterator): New type.
2561         (Script_options::referenced_begin): New function.
2562         (Script_options::referenced_end): New function.
2563         (Script_options::is_referenced): New function.
2564         (Script_options::any_unreferenced): New function.
2565         * script-c.h (script_symbol): Declare.
2566         * yyscript.y (exp): Call script_symbol.
2567         * symtab.cc: Include "script.h".
2568         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2569         Change all callers.  Check symbols referenced by scripts.
2570         (Symbol_table::add_undefined_symbols_from_command_line): Add
2571         layout parameter.  Change all callers.
2572         (Symbol_table::do_add_undefined_symbols_from_command_line):
2573         Likewise.  Break out loop body.  Check symbols referenced by
2574         scripts.
2575         (Symbol_table::add_undefined_symbol_from_command_line): New
2576         function broken out of
2577         do_add_undefined_symbols_from_command_line.
2578         * symtab.h (class Symbol_table): Update declarations.
2579         * archive.cc: Include "layout.h".
2580         (Archive::should_include_member): Add layout parameter.  Change
2581         all callers.  Check for symbol mentioned in expression.
2582         * archive.h (class Archive): Update declaration.
2583         * object.cc (Sized_relobj::do_should_include_member): Add layout
2584         parameter.
2585         * object.h (Object::should_include_member): Add layout parameter.
2586         Change all callers.
2587         (Object::do_should_include_member): Add layout parameter.
2588         (class Sized_relobj): Update declaration.
2589         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2590         parameter.
2591         * dynobj.h (class Sized_dynobj): Update declaration.
2592         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2593         layout parameter.
2594         * plugin.h (class Sized_pluginobj): Update declaration.
2595
2596 2010-08-02  Ian Lance Taylor  <iant@google.com>
2597
2598         PR 11866
2599         * output.cc (Output_segment::set_offset): Search for the first and
2600         last sections rather than assuming that the list is in order.
2601         (Output_segment::find_first_and_last_list): New function.
2602         * output.h (class Output_segment): Update declarations.
2603         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2604         (relro_strip_test_SOURCES): New variable.
2605         (relro_strip_test_DEPENDENCIES): New variable.
2606         (relro_strip_test_LDFLAGS): New variable.
2607         (relro_strip_test_LDADD): New variable.
2608         (relro_strip_test.so): New target.
2609
2610 2010-08-02  Ian Lance Taylor  <iant@google.com>
2611
2612         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2613         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2614         (Target_i386::got_tlsdesc_section): New function.
2615         (Target_i386::got_section): Create space for GOT entries for
2616         TLSDESC relocations.
2617         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2618         R_386_TLS_GOTDESC.
2619         (Target_i386::Scan::global): Likewise.
2620         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2621         using TLSDESC GOT.
2622         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2623         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2624         (Target_x86_64::got_tlsdesc_section): New function.
2625         (Target_x86_64::got_section): Create space for GOT entries for
2626         TLSDESC relocations.
2627         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2628         R_386_TLS_GOTDESC.
2629         (Target_x86_64::Scan::global): Likewise.
2630         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2631         using TLSDESC GOT.
2632
2633 2010-08-02  Ian Lance Taylor  <iant@google.com>
2634
2635         * testsuite/final_layout.sh: Use dc to convert from hex to
2636         decimal.
2637
2638 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2639
2640         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2641         paramter to the call to gold::gc_process_relocs.
2642         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2643         paramter to the call to gold::gc_process_relocs.
2644         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2645         parameter to the call to gold::gc_process_relocs.
2646         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2647         template parameter to the call to gold::gc_process_relocs.
2648         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2649         paramter to the call to gold::gc_process_relocs.
2650         * gc.h (get_embedded_addend_size): New function.
2651         (gc_process_relocs): Save the size of the reloc for use by ICF.
2652         * icf.cc (get_section_contents): Get the addend from the text section
2653         for SHT_REL relocation sections.
2654         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2655         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2656         * int_encoding.h (read_from_pointer): New overloaded function.
2657         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2658         * testsuite/icf_sht_rel_addend_test.sh: New file.
2659         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2660         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2661
2662 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2663
2664         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2665         * Makefile.in: Regenerate.
2666         * testsuite/Makefile.in: Regenerate.
2667
2668 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2669
2670         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2671         * gold/testsuite/debug_msg.cc: Likewise.
2672         * gold/testsuite/odr_violation1.cc
2673         * gold/testsuite/odr_violation2.cc
2674
2675 2010-07-21  Cary Coutant  <ccoutant@google.com>
2676
2677         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2678         string, and length fields.
2679         (Output_merge_string::Merged_strings_list): New type.
2680         (Output_merge_string::Merged_strings_lists): New typedef.
2681         (Output_merge_string): Replace merged_strings_ with
2682         merged_strings_lists_.
2683         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2684         Merged_strings_list per input object and section.  Don't store pointer
2685         to the string.  Don't store length with each merged string entry.
2686         (Output_merge_string::finalize_merged_data): Loop over list of merged
2687         strings lists.  Recompute length of each merged string.
2688
2689 2010-07-15  Cary Coutant  <ccoutant@google.com>
2690
2691         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2692         here.
2693
2694 2010-07-14  Ian Lance Taylor  <iant@google.com>
2695
2696         * descriptors.cc (Descriptors::open): Report correct name in error
2697         message.
2698
2699 2010-07-13  Doug Kwan  <dougkwan@google.com>
2700
2701         * arm.cc (Arm_input_section::Arm_input_section): For a
2702         SHT_ARM_EXIDX section, always keeps the input sections.
2703         (Arm_input_section::set_exidx_section_link): New method.
2704         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2705         has_errors_ to false.
2706         (Arm_exidx_input_section::has_errors,
2707         Arm_exidx_input_section::set_has_errors): New methods.
2708         (Arm_exidx_input_section::has_errors_): New data member.
2709         (Arm_relobj::get_exidx_shndx_list): New method.
2710         (Arm_output_section::append_text_sections_to_list): Do not skip
2711         section without SHF_EXECINSTR.
2712         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2713         errors.
2714         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2715         section header.  Make error messages more verbose.  Check for
2716         a non-executable section linked to an EXIDX section.
2717         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2718         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2719         check that there is no deferred EXIDX section if we exit early.
2720         Instead of not making an EXIDX section in case of an error, make one
2721         and set the has_errors flag of it.
2722         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2723         in a relocatable link.
2724         (Target_arm::do_relax): Look for the EXIDX output section instead of
2725         assuming that it is called .ARM.exidx.
2726         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2727         section list.  Do not check for SHF_EXECINSTR section flags but
2728         skip any input section with errors.
2729         * output.cc (Output_section::Output_section): Initialize
2730         always_keeps_input_sections_ to false.
2731         (Output_section::add_input_section): Check for
2732         always_keeps_input_sections_.
2733         *  output.h (Output_section::always_keeps_input_sections,
2734         Output_section::set_always_keeps_input_sections): New methods.
2735         (Output_section::always_keeps_input_sections): New data member.
2736
2737 2010-07-13  Rafael Espindola  <espindola@google.com>
2738
2739         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2740         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2741
2742 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2743             Ian Lance Taylor  <iant@google.com>
2744
2745         * output.h (Output_section_lookup_maps::add_merge_section):
2746         Correct check of whether value was inserted.
2747         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2748         (Output_section_lookup_maps::add_relaxed_input_section):
2749         Likewise.
2750         * arm.cc (Target_arm::got_section): Remove used local os.
2751         * i386.cc (Target_i386::got_section): Likewise.
2752         * x86_64.cc (Target_x86_64::got_section): Likewise.
2753         * sparc.cc (Target_sparc::got_section): Likewise.
2754         (Target_sparc::relocate): Remove unused local have_got_offset.
2755         * powerpc.cc (Target_powerpc::relocate): Likewise.
2756
2757 2010-07-13  Ian Lance Taylor  <iant@google.com>
2758
2759         * compressed_output.cc (zlib_decompress): Fix signature in
2760         !HAVE_ZLIB_H case.
2761
2762         * archive.cc (Archive::include_member): Unlock an external member
2763         of a thin archive.  Don't bother to delete an object we know is
2764         NULL.
2765
2766 2010-07-12  Cary Coutant  <ccoutant@google.com>
2767
2768         * compressed_output.cc (zlib_decompress): New function.
2769         (get_uncompressed_size): New function.
2770         (decompress_input_section): New function.
2771         * compressed_output.h (get_uncompressed_size): New function.
2772         (decompress_input_section): New function.
2773         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2774         Handle compressed debug sections.
2775         * layout.cc (is_compressed_debug_section): New function.
2776         (Layout::output_section_name): Map compressed section names to
2777         canonical names.
2778         * layout.h (is_compressed_debug_section): New function.
2779         (is_debug_info_section): Recognize compressed debug sections.
2780         * merge.cc: Include compressed_output.h.
2781         (Output_merge_data::do_add_input_section): Handle compressed
2782         debug sections.
2783         (Output_merge_string::do_add_input_section): Handle compressed
2784         debug sections.
2785         * object.cc: Include compressed_output.h.
2786         (Sized_relobj::Sized_relobj): Initialize new data members.
2787         (build_compressed_section_map): New function.
2788         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2789         * object.h (Object::section_is_compressed): New method.
2790         (Object::do_section_is_compressed): New method.
2791         (Sized_relobj::Compressed_section_map): New type.
2792         (Sized_relobj::do_section_is_compressed): New method.
2793         (Sized_relobj::compressed_sections_): New data member.
2794         * output.cc (Output_section::add_input_section): Handle compressed
2795         debug sections.
2796         * reloc.cc: Include compressed_output.h.
2797         (Sized_relobj::write_sections): Handle compressed debug sections.
2798
2799 2010-07-08  Cary Coutant  <ccoutant@google.com>
2800
2801         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2802         weak when resolving to a dynamic def.
2803         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2804         for weak undef/dynamic def cases. Adjust callers.
2805         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2806         undef_binding_weak_.
2807         (Symbol_table::sized_write_globals): Adjust symbol binding.
2808         (Symbol_table::sized_write_symbol): Add binding parameter.
2809         * symtab.h (Symbol::set_undef_binding): New method.
2810         (Symbol::is_undef_binding_weak): New method.
2811         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2812         (Symbol_table::should_override): Add new parameter.
2813         (Symbol_table::sized_write_symbol): Add new parameter.
2814
2815         * testsuite/weak_undef_file1.cc: Add new test case.
2816         * testsuite/weak_undef_file2.cc: Fix header comment.
2817         * testsuite/weak_undef_test.cc: Add new test case.
2818
2819 2010-06-29  Doug Kwan  <dougkwan@google.com>
2820
2821         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
2822         Initialize USE_SYMBOL_.
2823         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
2824         definition.
2825         (Arm_reloc_property::uses_symbol_): New data member declaration.
2826         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
2827         uses symbol value and symbol is undefined but not weakly undefined.
2828
2829 2010-06-28  Rafael Espindola  <espindola@google.com>
2830
2831         * plugin.cc (Plugin::load): Use dlerror.
2832
2833 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2834
2835         * symtab.cc (detect_odr_violations): When reporting an ODR
2836         violation, report an object where the symbol is defined.
2837
2838 2010-06-25  Doug Kwan  <dougkwan@google.com>
2839
2840         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
2841         (Target_arm::section_may_have_icf_unsafe_pointers): New method
2842         definition.
2843         (Target_arm::Scan::local_reloc_may_be_function_pointer,
2844         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
2845         target hook to detect function points.
2846         (Target_arm::Scan::possible_function_pointer_reloc): New method.
2847         * icf.h (Icf::check_section_for_function_pointers): Change type of
2848         parameter SECTION_NAME to const reference to std::string.  Use
2849         target hook to determine if section may have unsafe pointers.
2850         * target.h (Target::section_may_have_icf_unsafe_pointers): New
2851         method definition.
2852
2853 2010-06-21  Rafael Espindola  <espindola@google.com>
2854
2855         * fileread.cc (Input_file::find_fie): New
2856         (Input_file::open): Use Input_file::find_fie.
2857         * fileread.h (Input_file::find_fie): New
2858         * plugin.cc (set_extra_library_path): New.
2859         (Plugin::load): Add set_extra_library_path to the transfer vector.
2860         (Plugin_manager::set_extra_library_path): New.
2861         (Plugin_manager::add_input_file): Use the extra search path if set.
2862         (set_extra_library_path(): New.
2863         * plugin.h (Plugin_manager): Add set_extra_library_path and
2864         extra_search_path_.
2865
2866 2010-06-19  Cary Coutant  <ccoutant@google.com>
2867
2868         * layout.cc (gdb_sections): Add .debug_types.
2869         (lines_only_debug_sections): Likewise.
2870
2871 2010-06-18  Rafael Espindola  <espindola@google.com>
2872
2873         * plugin.cc (add_input_file,add_input_library)
2874         (Plugin_manager::add_input_file): Make filename arguments const.
2875         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
2876         const.
2877
2878 2010-06-16  Doug Kwan  <dougkwan@google.com>
2879
2880         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
2881         .ARM.attributes section if we have not merged any input
2882         attributes sections.
2883
2884 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2885
2886         * arm.cc: Allow combining objects with no EABI version
2887         information.
2888
2889 2010-06-15  Rafael Espindola  <espindola@google.com>
2890
2891         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
2892
2893 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2894
2895         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
2896         (struct iovec): Correct !HAVE_READV definition.
2897
2898 2010-06-10  Cary Coutant  <ccoutant@google.com>
2899
2900         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
2901         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
2902         reloc sections.
2903         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
2904
2905         PR 11683
2906         * symtab.h (Symbol::is_placeholder): New member function.
2907         * target-reloc.h (relocate_section): Check for placeholder symbols.
2908
2909         * testsuite/Makefile.am (plugin_test_8): New test.
2910         (plugin_test_9): New test.
2911         * testsuite/Makefile.in: Regenerate.
2912
2913 2010-06-09  Nick Clifton  <nickc@redhat.com>
2914
2915         * yyscript.y (input_list_element): Allow strings prefixed with
2916         the '-' character.  Treat these as libraries.
2917         * script.cc (script_add_library): New function.  Adds a library
2918         specified by "-l<name>" found in an input script.
2919         * script-c.h: Add prototype for script_add_library.
2920
2921 2010-06-07  Doug Kwan  <dougkwan@google.com>
2922
2923         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
2924         Restrict stub-group size to be within long conditional branch
2925         range when working around cortex-A8 erratum.
2926
2927 2010-06-07  Damien Diederen  <dd@crosstwine.com>
2928
2929         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
2930         #ifdef typo.
2931
2932 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
2933
2934         PR gold/11658
2935         * output.cc
2936         (Output_section::Input_section_sort_entry::compare_section_ordering):
2937         Change to return non-zero correctly.
2938         (Output_section::Input_section_sort_section_order_index_compare
2939         ::operator()): Change to fix ambiguity in comparisons.
2940
2941 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
2942
2943         * gold.h (is_wildcard_string): New function.
2944         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
2945         (Layout::layout_eh_frame): Ditto.
2946         (Layout::find_section_order_index): New method.
2947         (Layout::read_layout_from_file): New method.
2948         * layout.h (Layout::find_section_order_index): New method.
2949         (Layout::read_layout_from_file): New method.
2950         (Layout::input_section_position_): New private member.
2951         (Layout::input_section_glob_): New private member.
2952         * main.cc (main): Call read_layout_from_file here.
2953         * options.h (--section-ordering-file): New option.
2954         * output.cc (Output_section::input_section_order_specified_): New
2955         member.
2956         (Output_section::Output_section): Initialize new member.
2957         (Output_section::add_input_section): Add new parameter.
2958         Keep input sections when --section-ordering-file is used.
2959         (Output_section::set_final_data_size): Sort input sections when
2960         section ordering file is specified.
2961         (Output_section::Input_section_sort_entry): Add new parameter.
2962         Check sorting type.
2963         (Output_section::Input_section_sort_entry::compare_section_ordering):
2964         New method.
2965         (Output_section::Input_section_sort_compare::operator()): Change to
2966         consider section_order_index.
2967         (Output_section::Input_section_sort_init_fini_compare::operator()):
2968         Change to consider section_order_index.
2969         (Output_section::Input_section_sort_section_order_index_compare
2970         ::operator()): New method.
2971         (Output_section::sort_attached_input_sections): Change to sort
2972         according to section order when specified.
2973         (Output_section::add_input_section<32, true>): Add new parameter.
2974         (Output_section::add_input_section<64, true>): Add new parameter.
2975         (Output_section::add_input_section<32, false>): Add new parameter.
2976         (Output_section::add_input_section<64, false>): Add new parameter.
2977         * output.h (Output_section::add_input_section): Add new parameter.
2978         (Output_section::input_section_order_specified): New
2979         method.
2980         (Output_section::set_input_section_order_specified): New method.
2981         (Input_section::Input_section): Initialize section_order_index_.
2982         (Input_section::section_order_index): New method.
2983         (Input_section::set_section_order_index): New method.
2984         (Input_section::section_order_index_): New member.
2985         (Input_section::Input_section_sort_section_order_index_compare): New
2986         struct.
2987         (Output_section::input_section_order_specified_): New member.
2988         * script-sections.cc (is_wildcard_string): Delete and move modified
2989         method to gold.h.
2990         (Output_section_element_input::Output_section_element_input): Modify
2991         call to is_wildcard_string.
2992         (Output_section_element_input::Input_section_pattern
2993         ::Input_section_pattern): Ditto.
2994         (Output_section_element_input::Output_section_element_input): Ditto.
2995         * testsuite/Makefile.am (final_layout): New test case.
2996         * testsuite/Makefile.in: Regenerate.
2997         * testsuite/final_layout.cc: New file.
2998         * testsuite/final_layout.sh: New file.
2999
3000 2010-06-01  Rafael Espindola  <espindola@google.com>
3001
3002         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3003
3004 2010-06-01  Rafael Espindola  <espindola@google.com>
3005
3006         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3007         visibility of symbols.
3008
3009 2010-05-27  Doug Kwan  <dougkwan@google.com>
3010
3011         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3012         from start of output section instead of address for a local symbol
3013         in a merged or relaxed section when doing a relocatable link.
3014
3015 2010-05-26  Rafael Espindola  <espindola@google.com>
3016
3017        PR 11604
3018         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3019         adding sections the garbage collector removed.
3020         * gold/testsuite/Makefile.am: Add test.
3021         * gold/testsuite/Makefile.in: Regenerate.
3022         * gold/testsuite/plugin_test_7.sh: New.
3023         * gold/testsuite/plugin_test_7_1.c: New.
3024         * gold/testsuite/plugin_test_7_2.c: New.
3025
3026 2010-05-26  Rafael Espindola  <espindola@google.com>
3027
3028         * script-sections.cc (Output_section_definition::set_section_addresses):
3029         Check for --section-start.
3030
3031 2010-05-26  Doug Kwan  <dougkwan@google.com>
3032
3033         * arm.cc (Arm_scan_relocatable_relocs): New class.
3034         (Target_arm::relocate_special_relocatable): New method.
3035         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3036         (Arm_relocate_functions::thumb_branch_common): Same.
3037         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3038         instead of Default_scan_relocatable_relocs.
3039         * target-reloc.h (relocate_for_relocatable): Let target handle
3040         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3041         * target.h (Sized_target::relocate_special_relocatable): New method.
3042
3043 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3044
3045         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3046
3047 2010-05-23  Doug Kwan  <dougkwan@google.com>
3048
3049         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3050         instead of a cast.
3051         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3052         with a direct branch, not a conditional branch, to a stub.
3053         * merge.cc (Output_merge_base::record_input_section): New method
3054         defintion.
3055         (Output_merge_data::do_add_input_section): Record input section if
3056         keeps-input-sections flag is set.
3057         (Output_merge_string::do_add_input_section): Ditto.
3058         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3059         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3060         INPUT_SECTIONS_.
3061         (Output_merge_base::keeps_input_sections,
3062         Output_merge_base::set_keeps_input_sections,
3063         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3064         method definitions.
3065         (Output_merge_base::Input_sections): New type declaration.
3066         (Output_merge_base::input_sections_begin,
3067         Output_merge_base::input_sections_end,
3068         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3069         (Output_merge_base::bool keeps_input_sections_,
3070         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3071         Output_merge_base::input_sections_): New data members.
3072         (Output_merge_data::do_set_keeps_input_sections): New method
3073         defintion.
3074         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3075         * output.cc (Output_section::Input_section::relobj): Move method
3076         defintion from class declaration to here and handle merge sections.
3077         (Output_section::Input_section::shndx): Ditto.
3078         (Output_section::Output_section): Remove initializations of removed
3079         data members and initialize new data member LOOKUP_MAPS_.
3080         (Output_section::add_input_section): Set keeps-input-sections flag
3081         for a newly created merge output section as appropriate.  Adjust code
3082         to use Output_section_lookup_maps class.
3083         (Output_section::add_relaxed_input_section): Adjst code for lookup
3084         maps code refactoring.
3085         (Output_section::add_merge_input_section): Add a new parameter
3086         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3087         class.  If adding input section to a newly created merge output
3088         section fails, remove the new merge section.
3089         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3090         Adjust code for use of the Output_section_lookup_maps class.
3091         (Output_section::find_merge_section): Ditto.
3092         (Output_section::build_lookup_maps): New method defintion.
3093         (Output_section::find_relaxed_input_section): Adjust code to use
3094         Output_section_lookup_maps class.
3095         (Output_section::get_input_sections): Export merge sections.  Adjust
3096         code to use Output_section_lookup_maps class.
3097         (Output_section:::add_script_input_section): Adjust code to use
3098         Output_section_lookup_maps class.  Update lookup maps for merge
3099         sections also.
3100         (Output_section::discard_states): Use Output_section_lookup_maps.
3101         (Output_section::restore_states): Same.
3102         * output.h (Merge_section_properties): Move class defintion out of
3103         Output_section.
3104         (Output_section_lookup_maps): New class.
3105         (Output_section::Input_section::is_merge_section): New method
3106         defintion.
3107         (Output_section::Input_section::relobj): Move defintion out of class
3108         defintion.  Declare method only.
3109         (Output_section::Input_section::shndx): Ditto.
3110         (Output_section::Input_section::output_merge_base): New method defintion.
3111         (Output_section::Input_section::u2_.pomb): New union field.
3112         (Output_section::Merge_section_by_properties_map,
3113         Output_section::Output_section_data_by_input_section_map,
3114         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3115         Remove types.
3116         (Output_section::add_merge_input_section): Add new parameter
3117         KEEPS_INPUT_SECTIONS.
3118         (Output_section::build_lookup_maps): New method declaration.
3119         (Output_section::merge_section_map_,
3120         Output_section::merge_section_by_properties_map_,
3121         Output_section::relaxed_input_section_map_,
3122         Output_section::is_relaxed_input_section_map_valid_): Remove data
3123         members.
3124         (Output_section::lookup_maps_): New data member.
3125
3126 2010-05-21  Doug Kwan  <dougkwan@google.com>
3127
3128         PR gold/11619
3129         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3130         avoid a compilation error.
3131
3132 2010-05-19  Rafael Espindola  <espindola@google.com>
3133
3134         * script-sections.cc (Output_section_definition::allocate_to_segment):
3135         Update the phdrs_list even when the output section is NULL.
3136         * testsuite/Makefile.am: Add test.
3137         * testsuite/Makefile.in: Regenerate.
3138         * testsuite/script_test_9.cc: New.
3139         * testsuite/script_test_9.sh: New.
3140         * testsuite/script_test_9.t: New.
3141
3142 2010-05-19  Doug Kwan  <dougkwan@google.com>
3143
3144         * arm.cc (Arm_input_section::original_size): New method.
3145         (Arm_input_section::do_addralign): Add a cast.
3146         (Arm_input_section::do_output_offset): Remove static cast.
3147         (Arm_input_section::original_addralign,
3148          Arm_input_section::original_size_): Change type to uint32_t.
3149         (Arm_input_section::init): Add safe casts for section alignment
3150         and size.
3151         (Arm_input_section::set_final_data_size): Do not set address and
3152         offset of stub table.
3153         (Arm_output_section::fix_exidx_coverage): Change use of of
3154         Output_section::Simple_input_section to that of
3155         Output_section::Input_section.
3156         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3157         except for the first pass.
3158         * output.cc (Output_section::get_input_sections): Change type of
3159         input_sections to std::list<Input_section>.
3160         (Output_section::add_script_input_section): Rename from
3161         Output_section::add_simple_input_section.  Change type of SIS
3162         parameter from Simple_input_section to Input_section.
3163         * output.h (Output_section::Simple_input_section): Remove class.
3164         (Output_section::Input_section): Change class visibility to public.
3165         (Output_section::Input_section::addralign): Use stored alignments
3166         for special input sections if set.
3167         (Output_section::Input_section::set_addralign): New method.
3168         (Output_section::get_input_sections): Change parameter type from
3169         list of Simple_input_section to list of Input_section.
3170         (Output_section::add_script_input_section): Rename from
3171         Output_section::add_simple_input_section. Change first parameter's
3172         type from Simple_input_section to Input_section and remove the
3173         second and third parameters.
3174         * script-sections.cc (Input_section::Input_section_list): Change
3175         type to list of Output_section::Input_section/
3176         (Input_section_info::Input_section_info): Change parameter type of
3177         INPUT_SECTION to Output_section::Input_section.
3178         (Input_section_info::input_section): Change return type.
3179         (Input_section_info::input_section_): Change type to
3180         Output_section::Input_section.
3181         (Output_section_element_input::set_section_addresses): Adjust code
3182         to use Output_section::Input_section instead of
3183         Output_section::Simple_input_section.  Adjust code for renaming
3184         of Output_section::add_simple_input_section.
3185         (Orphan_output_section::set_section_addresses): Ditto.
3186
3187 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3188
3189         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3190         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3191
3192 2010-05-18  Rafael Espindola  <espindola@google.com>
3193
3194         * options.cc (General_options::finalize): Handle -nostdlib.
3195         * options.h (nostdlib): New option.
3196         * script.cc (script_add_search_dir): Handle -nostdlib.
3197
3198 2010-05-12  Doug Kwan  <dougkwan@google.com>
3199
3200         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3201         attributes section only if there no attributes section after merging.
3202         (Target_arm::merge_object_attributes): Move value of
3203         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3204         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3205         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3206         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3207         and arm_attr_merge_7.stdout.
3208         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3209         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3210         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3211         arm_attr_merge_7b.o): New rules.
3212         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3213         arm_attr_merge_7
3214         * testsuite/Makefile.in: Regenerate.
3215         * testsuite/arm_attr_merge.sh: New file.
3216         * testsuite/arm_attr_merge_[67][ab].s: Same.
3217
3218 2010-05-05  Nick Clifton  <nickc@redhat.com>
3219
3220         * po/es.po: Updated Spanish translation.
3221
3222 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3223
3224         * Makefile.am (install-exec-local): Properly install gold as
3225         default cross linker.
3226         * Makefile.in: Regenerated.
3227
3228 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3229             Nick Clifton  <nickc@redhat.com>
3230
3231         * configure.ac (install_as_default): Define and set to false
3232         unless --enable-gold or --enable-gold=both/gold has been
3233         specified.
3234         * configure: Regenerate.
3235
3236         * Makefile.am (install-exec-local): Install the executable as
3237         'ld.gold'.  If install_as_default is true then also install it as
3238         'ld'.
3239         * Makefile.in: Regenerated.
3240
3241 2010-04-24  Ian Lance Taylor  <iant@google.com>
3242
3243         * layout.cc (Layout::layout_reloc): In relocatable link don't
3244         combine reloc sections for grouped sections.
3245
3246 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3247
3248         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3249         sections that are not ordinary to icf.
3250         * icf.cc (get_section_contents): Handle relocation pointing to section
3251         with no object or shndx information.
3252         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3253         * testsuite/Makefile.in: Regenerate.
3254         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3255         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3256
3257 2010-04-22  Ian Lance Taylor  <iant@google.com>
3258
3259         * expression.cc (Expression::Expression_eval_info): Add
3260         result_alignment_pointer field.
3261         (Expression::eval_with_dot): Add result_alignment_pointer
3262         parameter.  Change all callers.
3263         (Expression::eval_maybe_dot): Likewise.
3264         (class Binary_expression): Add alignment_pointer parameter to
3265         left_value and right_value.  Change all callers.
3266         (BINARY_EXPRESSION): Set result alignment.
3267         (class Trinary_expression): Add alignment_pointer parameter to
3268         arg2_value and arg3_value.  Change all callers.
3269         (Trinary_cond::value): Set result alignment.
3270         (Max_expression::value, Min_expression::value): Likewise.
3271         (Align_expression::value): Likewise.
3272         * script-sections.cc (class Sections_element): Add dot_alignment
3273         parameter to set_section_addresses virtual function.  Update
3274         instantiations.
3275         (class Output_section_element): Likewise.
3276         (Script_sections::create_segments): Add dot_alignment parameter.
3277         Change all callers.
3278         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3279         (Script_sections::set_phdrs_clause_addresses): Likewise.
3280         * script-sections.h: Update declarations.
3281         * script.h: Update declarations.
3282         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3283         min_p_align.
3284         * testsuite/script_test_3.t: Set large alignment.
3285         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3286         segment has expected alignment.
3287
3288 2010-04-22  Nick Clifton  <nickc@redhat.com>
3289
3290         * po/gold.pot: Updated by the Translation project.
3291         * po/vi.po: Updated Vietnamese translation.
3292
3293 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3294
3295         * testsuite/Makefile.am (check_PROGRAMS): Add
3296         icf_virtual_function_folding_test.
3297         * testsuite/Makefile.in: Regenerated.
3298
3299 2010-04-15  Andrew Haley  <aph@redhat.com>
3300
3301         * options.h (merge_exidx_entries): New option.
3302         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3303         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3304         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3305         (Target_arm::merge_exidx_entries): New function.
3306         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3307         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3308         to Arm_exidx_fixup constructor.
3309         Add new arg, merge_exidx_entries.
3310         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3311         Arm_output_section::fix_exidx_coverage.
3312
3313 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3314
3315         * icf.cc (get_section_contents): Check for preemptible functions.
3316         Ignore addend when appropriate.
3317         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3318         section folded.
3319         (add_from_relobj): Check for section folded.
3320         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3321         * symtab.h (should_add_dynsym_entry): Add new parameter.
3322         * target-reloc.h (scan_relocs): Check for section folded.
3323         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3324         Check reloc types for function pointers in shared objects.
3325         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3326         case.
3327         (icf_preemptible_functions_test): New test case.
3328         (icf_string_merge_test): New test case.
3329         * testsuite.Makefile.in: Regenerate.
3330         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3331         bar_glob.  Refactor code.
3332         * testsuite/icf_preemptible_functions_test.cc: New file.
3333         * testsuite/icf_preemptible_functions_test.sh: New file.
3334         * testsuite/icf_string_merge_test.cc: New file.
3335         * testsuite/icf_string_merge_test.sh: New file.
3336         * testsuite/icf_virtual_function_folding_test.cc: New file.
3337         * testsuite/icf_virtual_function_folding_test.sh: New file.
3338
3339 2010-04-14  Doug Kwan  <dougkwan@google.com>
3340
3341         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3342         for local symbol recounting if we remove a section due to ICF.
3343         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3344         there are no regular objects in input.
3345
3346 2010-04-13  Doug Kwan  <dougkwan@google.com>
3347
3348         * arm.cc (Arm_input_section::set_final_data_size): Compute
3349         accurate final data size instead of using current data size.
3350
3351 2010-04-09  Doug Kwan  <dougkwan@google.com>
3352
3353         * layout.cc (Layout::choose_output_section): Handle script section
3354         types.
3355         (Layout::make_output_section_for_script): Add section type parameter.
3356         Handle script section types.
3357         * layout.h (Layout::make_output_section_for_script): Add section
3358         type parameter.
3359         * output.cc (Output_section::Output_section): Initialize data member
3360         is_noload_.
3361         (Output_section::do_reset_address_and_file_offset): Do not set address
3362         to 0 if section is a NOLOAD section.
3363         * output.h (Output_section::is_noload): New method.
3364         (Output_section::set_is_noload): Ditto.
3365         (Output_section::is_noload_): New data member.
3366         * script-c.h (Script_section_type): New enum type.
3367         (struct Parser_output_section_header): Add new file section_type.
3368         * script-sections.cc (Sections_element::output_section_name): Add
3369         parameter for returning script section type.
3370         (Output_section_definition::output_section_name): Ditto.
3371         (Output_section_definition::section_type)P; New method.
3372         (Output_section_definiton::script_section_type_name): Ditto.
3373         (Output_section_definition::script_section_type_): New data member.
3374         (Output_section_definition::Output_section_definition): Initialize
3375         data member Output_section_definition::script_section_type_.
3376         (Output_section_definition::create_sections): Pass script section type
3377         to Layout::make_output_section_for_script.
3378         (Output_section_definition::output_section_name): Return script
3379         section type to caller.
3380         (Output_section_definition::set_section_address): Do not advance
3381         dot value and load address if section type is NOLOAD.  Set address
3382         of NOLOAD sections regardless of section flags.
3383         (Output_section_definition::print): Print section type if it is
3384         not SCRIPT_SECTION_TYPE_NONE.
3385         (Output_section_definition::section_type): New method.
3386         (Output_section_definition::script_section_type_name): Ditto.
3387         (Script_sections::output_section_name): Add new parameter
3388         PSECTION_TYPE for returning script section type.  Pass it to
3389         section elements.  Handle discard sections.
3390         (Sort_output_sections::operator()): Handle NOLOAD sections.
3391         * script-sections.h (Script_sections::Section_type): New enum type.
3392         (Script_sections::output_section_name): Add a new parameter for
3393         returning script section type.
3394         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
3395         INFO and NOLOAD.
3396         * yyscript.y (union): Add new field SECTION_TYPE.
3397         (COPY, DSECT, INFO, NOLOAD): New tokens.
3398         (opt_address_and_section_type): Change type to output_section_header.
3399         (section_type): New non-terminal
3400         (section_header): Handle section type.
3401         (opt_address_and_section_type): Return section type value.
3402
3403 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3404
3405         * testsuite/plugin_common_test_1.c (foo): Add prototype.
3406         * testsuite/plugin_common_test_2.c (foo): Likewise.
3407
3408 2010-04-08  Doug Kwan  <dougkwan@google.com>
3409
3410         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
3411         Output_merge_data.
3412         * output.cc (Output_section::add_merge_input_section): Simplify
3413         code and return status of Output_merge_base::add_input_section.
3414         Update merge section map only if Output_merge_base::add_input_section
3415         returns true.
3416
3417 2010-04-07  Doug Kwan  <dougkwan@google.com>
3418
3419         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
3420         if section is marked as containing instructions but has no mapping
3421         symbols.
3422         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
3423         correct section index.
3424         (Arm_relobj::find_linked_text_section): Ditto.
3425
3426 2010-04-07  Cary Coutant  <ccoutant@google.com>
3427
3428         * archive.cc (include_member): Destroy Read_symbols_data object before
3429         releasing file.
3430         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
3431         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
3432         (Read_symbols_data::~Read_symbols_data) New destructor.
3433         (Section_relocs::Section_relocs) New constructor.
3434         (Section_relocs::~Section_relocs) New destructor.
3435         (Read_relocs_data::Read_relocs_data) New constructor.
3436         (Read_relocs_data::~Read_relocs_data) New destructor.
3437         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
3438         pointers to NULL after deleting.
3439
3440 2010-04-07  Doug Kwan  <dougkwan@google.com>
3441
3442         * arm.cc: Replace "endianity" with "endianness" in comments.
3443         (Arm_exidx_cantunwind): Ditto.
3444         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
3445         (Arm_relobj::merge_flags_and_attributes): New method.
3446         (Arm_relobj::merge_flags_and_attributes_): New data member.
3447         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
3448         (Arm_relobj::scan_sections_for_stubs): Ditto.
3449         (Arm_relobj::do_read_symbols): Check to see if we really want to
3450         merge processor-specific flags and attributes.  Exit early if
3451         an object is empty except for section names and the undefined symbol.
3452         (Target_arm::do_finalize_sections): Move check for ELF format to
3453         Arm_relobj::do_read_symbols.  Merge processor specific flags and
3454         attributes from a regular object only when we have determined that
3455         it is aapropriate.  Do not create an .ARM.attributes section in
3456         output if there is no regular input object.
3457         (Target_arm::merge_processor_specific_flags): Check
3458         --warn-mismatch before printing any error.
3459         (Target_arm::merge_object_attributes): Ditto.
3460         * gold.cc (queue_middle_tasks): Handle the case in which there is
3461         no regular object in input.
3462         * options.cc (General_options::parse_EB): New method.
3463         (General_options::parse_EL): Same.
3464         (General_options::General_options): Initialize endianness_.
3465         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
3466         New options.
3467         (General_options::Endianness): New enum.
3468         (General_options::endianness): New method.
3469         (General_options::endianness_): New data member.
3470         * parameters.cc (Parameters::set_options): Check target endianness.
3471         (Parameters::set_target_once): Ditto.
3472         (Parameters::check_target_endianness): New method.
3473         (parameters_force_valid_target): If either -EL or -EB is specified,
3474         use it to define endianness of default target.
3475         * parameters.h (Parameters::check_target_endianness): New method
3476         declaration.
3477         * target.h (class Target): Change "endianity" to "endianness"
3478         in comments.
3479
3480 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3481
3482         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
3483         * configure: Regenerate.
3484         * Makefile.in: Regenerate.
3485         * testsuite/Makefile.in: Regenerate.
3486
3487 2010-04-06  Cary Coutant  <ccoutant@google.com>
3488
3489         gcc PR lto/42757
3490         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
3491         prevailing definitions of common symbols.
3492         * testsuite/plugin_test_6.sh: New test case.
3493         * testsuite/plugin_common_test_1.c: New test case.
3494         * testsuite/plugin_common_test_2.c: New test case.
3495         * testsuite/Makefile.am (plugin_test_6): New test case.
3496         * testsuite/Makefile.in: Regenerate.
3497
3498 2010-04-06  Nick Clifton  <nickc@redhat.com>
3499
3500         * po/vi.po: New Vietnamese translation.
3501
3502 2010-03-30  Doug Kwan  <dougkwan@google.com>
3503
3504         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
3505
3506 2010-03-25  Doug Kwan  <dougkwan@google.com>
3507
3508         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3509         to avoid a conversion warning on a 32-bit host.
3510
3511 2010-03-24  Ian Lance Taylor  <iant@google.com>
3512
3513         * testsuite/script_test_3.t: Add a TLS segment.
3514         * testsuite/Makefile.am (check_PROGRAMS): Add
3515         tls_phdrs_script_test.
3516         (tls_phdrs_script_test_SOURCES): Define.
3517         (tls_phdrs_script_test_DEPENDENCIES): Define.
3518         (tls_phdrs_script_test_LDFLAGS): Define.
3519         (tls_phdrs_script_test_LDADD): Define.
3520         * testsuite/Makefile.in: Rebuild.
3521
3522 2010-03-23  Cary Coutant  <ccoutant@google.com>
3523
3524         * fileread.cc (find_or_make_view): Fix comment.
3525
3526 2010-03-23  Ian Lance Taylor  <iant@google.com>
3527
3528         * script-sections.cc (class Orphan_section_placement): Define
3529         PLACE_TLS and PLACE_TLS_BSS.
3530         (Orphan_section_placement::Orphan_section_placement): Initialize
3531         new places.
3532         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3533         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3534         (tls_script_test_SOURCES): Define.
3535         (tls_script_test_DEPENDENCIES): Define.
3536         (tls_script_test_LDFLAGS): Define.
3537         (tls_script_test_LDADD): Define.
3538         * testsuite/Makefile.in: Rebuild.
3539
3540 2010-03-22  Doug Kwan  <dougkwan@google.com>
3541
3542         * arm.cc (Arm_relocate_functions::abs8,
3543         Arm_relocate_functions::abs16): Use correct check for overflow
3544         specified in the ARM ELF specs.
3545         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3546         target of a BLX instruction specially.
3547         (Reloc_stub::stub_type_for_reloc): Ditto.
3548         (Relocate::relocate): Use symbolic names instead of numeric relocation
3549         codes to report error.
3550         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3551         workaround.
3552         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3553         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3554         thumb2_blx_out_of_range.stdout
3555         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3556         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3557         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3558         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3559         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3560         thumb2_blx_in_range, thumb2_blx_in_range.o,
3561         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3562         thumb2_blx_out_of_range.o): New rules.
3563         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3564         thumb2_blx_in_range and thumb2_blx_out_of_range.
3565         * testsuite/Makefile.in: Regenerate.
3566         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3567         * testsuite/thumb_blx_in_range.s: New file.
3568         * testsuite/thumb_blx_out_of_range.s: New file.
3569
3570 2010-03-22  Rafael Espindola  <espindola@google.com>
3571
3572         * archive.cc (Should_include): Move to archive.h.
3573         (should_include_member): Make it a member of Archive.
3574         (Lib_group): New.
3575         (Add_lib_group_symbols): New.
3576         * archive.h: Include options.h.
3577         (Archive_member): Moved from Archive.
3578         (Should_include): Moved from archive.cc.
3579         (Lib_group): New.
3580         (Add_lib_group_symbols): New.
3581         * dynobj.cc (do_should_include_member): New.
3582         * dynobj.h (do_should_include_member): New.
3583         * gold.cc (queue_initial_tasks): Update call to queue.
3584         * main.cc (main): Print lib group stats.
3585         * object.cc (do_should_include_member): New.
3586         * object.h: Include archive.h.
3587         (Object::should_include_member): New.
3588         (Object::do_should_include_member): New.
3589         (Sized_relobj::do_should_include_member): New.
3590         * options.cc (General_options::parse_start_lib): New.
3591         (General_options::parse_end_lib): New.
3592         (Input_arguments::add_file): Handle lib groups.
3593         (Input_arguments::start_group): Check we are not in a lib.
3594         (Input_arguments::start_lib): New.
3595         (Input_arguments::end_lib): New.
3596         * options.h (General_options): Add start_lib and end_lib.
3597         (Input_argument::lib_): New.
3598         (Input_argument::lib): New.
3599         (Input_argument::is_lib): New.
3600         (Input_file_lib): New.
3601         (Input_arguments::in_lib_): New.
3602         (Input_arguments::in_lib): New.
3603         (Input_arguments::start_lib): New.
3604         (Input_arguments::end_lib_): New.
3605         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3606         in unused members as preempted.
3607         (Sized_pluginobj::do_should_include_member): New.
3608         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3609         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3610         return the blocker.
3611         (Read_symbols::do_whole_lib_group): New.
3612         (Read_symbols::do_lib_group): New.
3613         (Read_symbols::do_read_symbols): Handle lib groups.
3614         (Read_symbols::get_name): Handle lib groups.
3615         * readsyms.h (Read_symbols): Add an archive member pointer.
3616         (Read_symbols::do_whole_lib_group): New.
3617         (Read_symbols::do_lib_group): New.
3618         (Read_symbols::member_): New.
3619         * script.cc (read_input_script): Update call to queue_soon.
3620
3621 2010-03-19  Doug Kwan  <dougkwan@google.com>
3622
3623         * arm.cc (Stub_table::Stub_table): Initialize new data members
3624         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3625         (Stub_table::add_reloc_stub): Assign stub offset and update
3626         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3627         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3628         New data members.
3629         (Stub_table::update_data_size_and_addralign): Use
3630         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3631         instead of going over all reloc stubs.
3632         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3633         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3634         Stringpool_template::offset_ to size of Stringpool_char.
3635         (Stringpool_template::new_key_offset): Remove code to initialize
3636         Stringpool_template::offset_.
3637         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3638         Stringpool_template::offset_ to zero.
3639
3640 2010-03-15  Doug Kwan  <dougkwan@google.com>
3641
3642         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3643         offset_.
3644         (Stringpool_template::new_key_offset): New method.
3645         (Stringpool_template::add_string): Assign offsets when adding new
3646         strings.
3647         (Stringpool_template::set_string_offsets): Do not set string offsets
3648         when not optimizing.
3649         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3650         member size_.
3651         (Chunked_vector::clear): Clear size_.
3652         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3653         (Chunked_vector::size): Return size_.
3654         (Chunked_vector::push_back): Use size_ to find insert position.
3655         (Chunked_vector::size_): New data member.
3656         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3657         (Stringpool_template::new_key_offset): New method declaration.
3658         (Stringpool_template::offset_): New data member.
3659
3660 2010-03-15   Rafael Espindola  <espindola@google.com>
3661
3662         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3663         Add_symbols' constructor.
3664         * readsyms.h (Add_symbols): Remove the input_group member.
3665
3666 2010-03-10  Ian Lance Taylor  <iant@google.com>
3667
3668         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3669         target to ask whether a reference to a symbol requires a stack
3670         split.
3671         * target.h (Target::is_call_to_non_split): New function.
3672         (Target::do_is_call_to_non_split): Declare virtual function.
3673         * target.cc: Include "symtab.h".
3674         (Target::do_is_call_to_non_split): New function.
3675         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3676
3677 2010-03-10  Cary Coutant  <ccoutant@google.com>
3678
3679         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3680         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3681         (File_read::open[2]): Add whole_file_view_ to list of views.
3682         (File_read::make_view): Remove test of whole_file_view_.
3683         (File_read::find_or_make_view): Create whole_file_view_ if
3684         necessary.
3685         (File_read::clear_views): Replace bool parameter with enum;
3686         adjust all callers.  Don't delete views with permanent data;
3687         do delete cached views and views from archives if
3688         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3689         if clearing the corresponding view.
3690         * fileread.h (File_read::Clear_views_mode): New enum.
3691         (File_read::View::is_permanent_view): New method.
3692         (File_read::clear_views): Replace bool parameter
3693         with enum; adjust all callers.
3694         * options.h (General_options): Change keep_files_mapped option;
3695         add map_whole_files.
3696         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3697         releasing the file.
3698         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3699         the file.
3700
3701 2010-03-10  David S. Miller  <davem@davemloft.net>
3702
3703         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3704
3705 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3706
3707         * icf.cc (get_section_contents): Add '@' marker after processing the
3708         merge reloc.
3709
3710 2010-03-08  Doug Kwan  <dougkwan@google.com>
3711
3712         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3713         due to a conversion warning.
3714         (Arm_relobj::update_output_local_symbol_count): Check for local
3715         symbol with unset output index.
3716
3717 2010-03-05  Ian Lance Taylor  <iant@google.com>
3718
3719         * options.h (class General_options): Add --spare-dynamic-tags.
3720         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3721         --spare-dynamic-tags.
3722
3723 2010-03-05  Ian Lance Taylor  <iant@google.com>
3724
3725         * incremental.cc: Include "libiberty.h".
3726
3727 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3728
3729         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3730         function, is_info_ member.
3731         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3732         (Versions::Versions): Update caller.
3733         (Versions::define_base_version): Likewise.
3734         (Versions::add_def): Likewise.
3735
3736 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3737
3738         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3739         (Scan::possible_function_pointer_reloc): New function.
3740         (Scan::local_reloc_may_be_function_pointer): Change to call
3741         possible_function_pointer_reloc.
3742         (Scan::global_reloc_may_be_function_pointer): Ditto.
3743         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3744         relocations in ".data.rel.ro._ZTV" section.
3745         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3746         * testsuite/icf_safe_so_test.cc: Ditto.
3747         * testsuite/icf_safe_test.cc: Ditto.
3748         * testsuite/icf_safe_test.sh: Ditto.
3749
3750 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3751             Ian Lance Taylor  <iant@google.com>
3752
3753         * target-reloc.h (relocate_section): Check the symbol table index
3754         for -1U before setting the local symbol index.
3755         (scan_relocatable_relocs): If copying the relocation, record that
3756         the local symbol is required.
3757         * object.h (Symbol_value::is_output_symtab_index_set): New
3758         function.
3759         (Symbol_value::may_be_discarded_from_output_symtab): New
3760         function.
3761         (Symbol_value::has_output_symtab_entry): New function.
3762         (Symbol_value::needs_output_symtab_entry): Remove.
3763         (Symbol_value::output_symtab_index): Make sure the symbol index is
3764         set.
3765         (Symbol_value::set_output_symtab_index): Make sure the symbol
3766         index is not set.  Make sure the new index is valid.
3767         (Symbol_value::set_must_have_output_symtab_entry): New function.
3768         (Symbol_value::has_output_dynsym_entry): New function.
3769         (Symbol_value::set_output_dynsym_index): Make sure the new index
3770         is valid.
3771         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3772         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3773         local symbol if permitted.
3774         (Sized_relobj::do_finalize_local_symbols): Call
3775         is_output_symtab_index_set rather than needs_output_symtab_entry.
3776         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3777         rather than needs_output_symtab_entry.  Call
3778         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3779         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3780         is_output_symtab_index_set rather than needs_output_symtab_entry.
3781         * testsuite/discard_locals_relocatable_test.c: New file.
3782         * testsuite/discard_locals_test.sh: Test -r.
3783         * testsuite/Makefile.am (check_DATA): Add
3784         discard_locals_relocatable_test1.syms,
3785         discard_local_relocatable_test2.syms.
3786         (MOSTLYCLEANFILES): Likewise.  Also add
3787         discard_locals_relocatable_test1.lout and
3788         discard_locals_relocatable_test2.out.
3789         (discard_locals_relocatable_test1.syms): New target.
3790         (discard_locals_relocatable_test.o): New target.
3791         (discard_locals_relocatable_test1.out): New target.
3792         (discard_locals_relocatable_test2.syms): New target.
3793         (discard_locals_relocatable_test2.out): New target.
3794         (various): Add missing ../ld-new dependencies.
3795         * testsuite/Makefile.in: Rebuild.
3796
3797 2010-03-03  Nick Clifton  <nickc@redhat.com>
3798
3799         * po/fi.po: New Finnish translation.
3800
3801 2010-03-01  Doug Kwan  <dougkwan@google.com>
3802
3803         * layout.cc (Layout::Layout): Force section types of .init_array*,
3804         .preinit_array* and .fini_array* sections.
3805         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3806         Fix check of return value of std::string::find.().
3807         (Output_section::Input_section_sort_compare::operator()): Remove
3808         comment about .init_array.
3809         (Output_section::Input_section_sort_init_fini_compare::operator()):
3810         New method.
3811         (Output_section::sort_attached_input_sections): Handle .init_array
3812         and .fini_array specially.
3813         * output.h (Output_section::Inut_section_sort_compare): Update
3814         comment.
3815         (Output_section::Input_section_sort_init_fini_compare): New struct.
3816
3817 2010-02-26  Doug Kwan  <dougkwan@google.com>
3818
3819         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
3820         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
3821         * testsuite/debug_msg.sh: Avoid matching source line number for
3822         use of global variable undef_int.
3823
3824 2010-02-26  Doug Kwan  <dougkwan@google.com>
3825
3826         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
3827         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
3828         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
3829         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
3830         * options.cc (General_options::General_options): Initialize member
3831         fix_v4bx_.
3832         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
3833         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
3834         and rm_no_fix_v4bx.stdout
3835         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
3836         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
3837         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
3838         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
3839         and arm_no_fix_v4bx.
3840         * Makefile.in: Regenerate.
3841         * testsuite/arm_fix_v4bx.s: New file.
3842         * testsuite/arm_fix_v4bx.sh: Ditto.
3843
3844 2010-02-24  Doug Kwan  <dougkwan@google.com>
3845
3846         * arm.cc (Target_arm::got_section): Make the .got section the first
3847         non RELRO section in the data segment.
3848         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
3849         suffixes of section names.
3850
3851 2010-02-24  Doug Kwan  <dougkwan@google.com>
3852
3853         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
3854         flags and attributes merging if an input file is a binary file.
3855         * fileread.cc (Input_file::open): Record format of original file.
3856         * fileread.h (Input_file::Format): New enum type.
3857         (Input_file::Input_file): Initialize data member format_.
3858         (Input_file::format): New method definition.
3859         (Input_file::format_):: New data member.
3860
3861 2010-02-24  Doug Kwan  <dougkwan@google.com>
3862
3863         * arm.cc (Arm_output_data_got): New class.
3864         (ARM_TCB_SIZE): New constant
3865         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
3866         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
3867         If user uses a script with a SECTIONS clause, issue only a warning
3868         for a misplaced EXIDX input section.  Otherwise, issue an error.
3869         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
3870         garbage collection.
3871         (Target_arm::got_mode_index_entry): Handle static linking.
3872         (Target_arm::Scan::local): Ditto.
3873         (Target_arm::Scan::global): Ditto.
3874         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
3875         all incorrectly implemented relocations.
3876         (Target_arm::fix_exidx_coverage): Pass layout to
3877         Arm_output_section::fix_exidx_coverage.
3878         * layout.cc (Layout::section_name_mapping): Remove trailing dots
3879         from ".ARM.exidx." and ".ARM.extab.".
3880
3881 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3882
3883         * arm.cc (Target_arm::do_finalize_sections): Create attribute
3884         section if it does not already exist.
3885         * attributes.cc (Attributes_section_data::Attributes_section_data):
3886         Don't crash if size is zero.
3887
3888 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3889             Ian Lance Taylor  <iant@google.com>
3890
3891         * gold.cc (queue_middle_tasks): If no input files were opened,
3892         exit.
3893         * workqueue.h (Task_function::Task_function): Assert that there is
3894         a blocker.
3895
3896 2010-02-22  Doug Kwan  <dougkwan@google.com>
3897
3898         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
3899         * icf.cc (get_section_contents): Cast snprintf arguments to long long
3900         types to avoid warnings due to different uint64_t implementations
3901         on different hosts.
3902
3903 2010-02-21  Doug Kwan  <dougkwan@google.com>
3904
3905         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
3906         handling of the maximum backward branch offset.
3907         (Arm_relocate_functions::thumb_branch_common): Ditto.
3908         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
3909         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
3910         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
3911         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
3912         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
3913         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
3914         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
3915         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
3916         thumb_bl_out_of_range thumb_bl_out_of_range.o,
3917         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
3918         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
3919         thumb2_bl_out_of_range.o): New rules.
3920         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
3921         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
3922         thumb2_bl_out_of_range
3923         * testsuite/Makefile.in: Regenerate.
3924         * testsuite/arm_bl_in_range.s: New file.
3925         * testsuite/arm_bl_out_of_range.s: Ditto.
3926         * testsuite/arm_branch_in_range.sh: Ditto.
3927         * testsuite/arm_branch_range.t: Ditto.
3928         * testsuite/thumb2_branch_range.t: Ditto.
3929         * testsuite/thumb_bl_in_range.s: Ditto.
3930         * testsuite/thumb_bl_out_of_range.s: Ditto.
3931         * testsuite/thumb_branch_range.t: Ditto.
3932
3933 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
3934
3935         * gc.h (gc_process_relocs): Change vectors to point to the new list.
3936         Add reloc offset information.
3937         * icf.cc (get_section_contents): Change iterators to point to the new
3938         vectors. Add reloc offset information to the contents.
3939         * icf.h (Icf::Sections_reachable_info): New typedef.
3940         (Icf::Sections_reachable_list): New typedef.
3941         (Icf::Offset_info): New typedef.
3942         (Icf::Reloc_info): New struct typedef.
3943         (Icf::Reloc_info_list): New typedef.
3944         (Icf::symbol_reloc_list): Delete method.
3945         (Icf::addend_reloc_list): Delete method.
3946         (Icf::section_reloc_list): Delete method.
3947         (Icf::reloc_info_list): New method.
3948         (Icf::reloc_info_list_): New member.
3949
3950 2010-02-19  Doug Kwan  <dougkwan@google.com>
3951
3952         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
3953         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
3954         * arm.cc (Arm_relocation_functions): New forward declaration.
3955         (Target_arm::Target_arm): Initialize new data members
3956         got_mod_index_offset_ and tls_base_symbol_defined_.
3957         (Target_arm::Relocate::relocate_tls): New method.
3958         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
3959          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
3960         New methods.
3961         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
3962         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
3963         (Target_arm::got_mod_index_offset_,
3964         Target_arm::tls_base_symbol_defined_): New data members.
3965         (Target_arm::Scan::local, Target::Scan::global,
3966         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
3967         relocations.
3968
3969 2010-02-18  Doug Kwan  <dougkwan@google.com>
3970
3971         * arm.cc (Arm_relobj::find_linked_text_section): New method.
3972         (Arm_relobj::make_exidx_input_section): Pass section index of linked
3973         text section as a parameter becuase some broken tools may not set
3974         the link in section header.
3975         (Target_arm::has_got_section): New method.
3976         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
3977         without any mapping symbol as data only.  Remove warning.
3978         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
3979         link in its section header, try to discover the link by inspecting the
3980         REL31 relocation at the beginning of the section.
3981         (Target_arm::Scan::check_non_pic): Report name of offending relocation
3982         in error message.
3983         (Target_arm::Scan::global): Treat any reference to the symbol
3984         _GLOBAL_OFFSET_TABLE_ as a GOT access.
3985
3986 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
3987
3988         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
3989         (Scan::global_reloc_may_be_function_pointer): New function.
3990         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3991         (Scan::global_reloc_may_be_function_pointer): New function.
3992         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3993         (Scan::global_reloc_may_be_function_pointer): New function.
3994         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
3995         (Scan::global_reloc_may_be_function_pointer): New function.
3996         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
3997         (Scan::global_reloc_may_be_function_pointer): New function.
3998         (Scan::possible_function_pointer_reloc): New function.
3999         (Target_x86_64::can_check_for_function_pointers): New function.
4000         * gc.h (gc_process_relocs): Scan relocation types to determine if
4001         function pointers were taken for targets that support it.
4002         * icf.cc (Icf::find_identical_sections): Include functions for
4003         folding in safe ICF whose pointer is not taken.
4004         * icf.h (Secn_fptr_taken_set): New typedef.
4005         (fptr_section_id_): New member.
4006         (section_has_function_pointers): New function.
4007         (set_section_has_function_pointers): New function.
4008         (check_section_for_function_pointers): New function.
4009         * options.h: Fix comment for safe ICF option.
4010         * target.h (can_check_for_function_pointers): New function.
4011         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4012         Modify icf_safe_test for X86-64.
4013         * testsuite/Makefile.in: Regenerate.
4014         * testsuite/icf_safe_so_test.cc: New file.
4015         * testsuite/icf_safe_so_test.sh: New file.
4016         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4017         (main): Change to take pointer to function kept_func_3.
4018         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4019         folding is done correctly for X86-64.
4020
4021 2010-02-12  David S. Miller  <davem@davemloft.net>
4022
4023         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4024         is_symbolless parameter.
4025         (Output_reloc<SHT_REL>::is_symbolless): New.
4026         (Output_reloc<SHT_REL>::is_symbolless_): New.
4027         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4028         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4029         (Output_reloc<SHT_RELA>::is_symbolless): New.
4030         (Output_data_reloc::add_global): Handle is_symbolless.
4031         (Output_data_reloc::add_global_relative): Likewise.
4032         (Output_data_reloc::add_local): Likewise.
4033         (Output_data_reloc::add_local_relative): Likewise.
4034         (Output_data_reloc::add_symbolless_global_addend): New.
4035         (Output_data_reloc::add_symbolless_local_addend): New.
4036         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4037         is_symbolless.
4038         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4039         instead of ->is_relative_
4040         (Output_reloc::write): Likewise.
4041         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4042         (Output_reloc::write_rel): Simplify.
4043
4044         * sparc.cc (Target_sparc::Scan::local): Use
4045         ->add_symbolless_local_addend as needed.
4046         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4047         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4048         based upon relocation offset.
4049
4050 2010-02-11  Doug Kwan  <dougkwan@google.com>
4051
4052         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4053         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4054         beginning of function.
4055         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4056         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4057         parameter is_32bit in calls to should_apply_static_reloc.
4058         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4059         (check_DATA): Add arm_abs_global.stdout.
4060         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4061         arm_abs_global.stdout): New rules.
4062         (MOSTLLYCLEANFILES): Add arm_abs_global
4063         * Makefile.in: Regenerate.
4064         * testsuite/arm_abs_global.s: New file.
4065         * testsuite/arm_abs_global.sh: Ditto.
4066         * testsuite/arm_abs_lib.s: Ditto.
4067
4068 2010-02-11  Ian Lance Taylor  <iant@google.com>
4069
4070         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4071         Read_relocs task.
4072         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4073         Allocate_commons_task first.
4074         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4075         task, rather than symtab_lock_.
4076         (Gc_process_relocs::~Gc_process_relocs): New function.
4077         (Gc_process_relocs::is_runnable): Check this_blocker_.
4078         (Gc_process_relocs::locks): Use next_blocker_ rather than
4079         blocker_.
4080         (Scan_relocs::~Scan_relocs): New function.
4081         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4082         symtab_lock_.
4083         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4084         next_blocker_.
4085         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4086         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4087         constructor accordingly.
4088         (class Gc_process_relocs): Likewise.
4089         (class Scan_relocs): Likewise.
4090         * common.h (class Allocate_commons_task): Remove symtab_lock_
4091         field, and corresponding constructor parameter.
4092         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4093         symtab_lock_.
4094         (Allocate_commons_task::locks): Likewise.
4095
4096 2010-02-11  Ian Lance Taylor  <iant@google.com>
4097
4098         * gold-threads.h (class Once): Define.
4099         (class Initialize_lock): Rewrite as child of Once.
4100         * gold-threads.cc (class Once_initialize): Define.
4101         (once_pointer_control): New static variable.
4102         (once_pointer, once_arg): New static variables.
4103         (c_run_once): New static function.
4104         (Once::Once, Once::run_once, Once::internal_run): New functions.
4105         (class Initialize_lock_once): Remove.
4106         (initialize_lock_control): Remove.
4107         (initialize_lock_pointer): Remove.
4108         (initialize_lock_once): Remove.
4109         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4110         (Initialize_lock::initialize): Rewrite.
4111         (Initialize_lock::do_run_once): New function.
4112         * archive.cc (Archive::interpret_header): Only clear name if it is
4113         not already empty.
4114         * fileread.cc: Include "gold-threads.h"
4115         (file_counts_lock): New static variable.
4116         (file_counts_initialize_lock): Likewise.
4117         (File_read::release): Only increment counts when using --stats.
4118         Use a lock around the increment.
4119         * parameters.cc (class Set_parameters_target_once): Define.
4120         (set_parameters_target_once): New static variable.
4121         (Parameters::Parameters): Move here from parameters.h.
4122         (Parameters::set_target): Rewrite.
4123         (Parameters::set_target_once): New function.
4124         (Parameters::clear_target): Move here and rewrite.
4125         * parameters.h (class Parameters): Update declarations.  Add
4126         set_parameters_target_once_ field.
4127         (Parameters::Parameters): Move to parameters.cc.
4128         (Parameters::clear_target): Likewise.
4129         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4130         task.
4131         (Start_group::~Start_group): New function.
4132         (Start_group::is_runnable): New function.
4133         (Start_group::locks, Start_group::run): New functions.
4134         (Finish_group::run): Change saw_undefined to size_t.
4135         * readsyms.h (class Start_group): Define.
4136         (class Finish_group): Change saw_undefined_ field to size_t.
4137         (Finish_group::Finish_group): Remove saw_undefined and
4138         this_blocker parameters.  Change all callers.
4139         (Finish_group::set_saw_undefined): New function.
4140         (Finish_group::set_blocker): New function.
4141         * symtab.h (class Symbol_table): Change saw_undefined to return
4142         size_t.  Change saw_undefined_ field to size_t.
4143         * target-select.cc (Set_target_once::do_run_once): New function.
4144         (Target_selector::Target_selector): Initialize set_target_once_
4145         field.  Don't initialize lock_ and initialize_lock_ fields.
4146         (Target_selector::instantiate_target): Rewrite.
4147         (Target_selector::set_target): New function.
4148         * target-select.h (class Set_target_once): Define.
4149         (class Target_selector): Update declarations.  Make
4150         Set_target_once a friend.  Remove lock_ and initialize_lock_
4151         fields.  Add set_target_once_ field.
4152
4153 2010-02-10  Ian Lance Taylor  <iant@google.com>
4154
4155         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4156         queueing any tasks.
4157         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4158         (queue_middle_tasks): Add all blockers before queueing any tasks.
4159         (queue_final_tasks): Likewise.
4160         * token.h (Task_token::add_blockers): New function.
4161         * object.h (Input_objects::number_of_relobjs): New function.
4162
4163 2010-02-10  Ian Lance Taylor  <iant@google.com>
4164
4165         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4166         shared, not if not position independent.
4167         * x86_64.cc (Relocate::relocate_tls): Likewise.
4168         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4169         (tls_pie_pic_test): New target.
4170         * testsuite/Makefile.in: Rebuild.
4171
4172         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4173         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4174         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4175         * testsuite/Makefile.in: Rebuild.
4176
4177 2010-02-09  David S. Miller  <davem@davemloft.net>
4178
4179         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4180         R_SPARC_RELATIVE using ->add_local_relative().
4181         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4182
4183         * output.h (Output_data_dynamic::add_section_size): New method
4184         that takes two Output_data objects.
4185         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4186         entry param.  Handle it in initializers.
4187         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4188         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4189         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4190         arg.
4191         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4192         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4193         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4194         for dynrel_includes_plt.
4195         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4196         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4197         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4198         before .rela.plt
4199         (Target_sparc::do_finalize_sections): Update to pass true for
4200         dynrel_includes_plt.
4201         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4202         output before .rela.plt
4203         (Target_powerpc::do_finalize_sections): Update to pass true for
4204         dynrel_includes_plt when 32-bit.
4205
4206 2010-02-08  Doug Kwan  <dougkwan@google.com>
4207
4208         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4209         method.
4210         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4211         Arm_relobj::scan_section_for_cortex_a8_stubs,
4212         Arm_relobj::do_relocation_section): Instead of calling
4213         Output_section::output_address, use faster
4214         Arm_relobj::simple_input_section_output_address.
4215
4216 2010-02-08  David S. Miller  <davem@davemloft.net>
4217
4218         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4219         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4220         relocation helper function.
4221
4222         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4223         just like R_SPARC_GOT{10,13,22}.
4224         (Target_sparc::Scan::local): Likewise.
4225         (Target_sparc::Relocate:relocate): Likewise.
4226
4227 2010-02-06  Ian Lance Taylor  <iant@google.com>
4228
4229         * configure.ac: Rewrite targetobjs duplicate removal code to use
4230         only shell constructs.
4231         * configure: Rebuild.
4232
4233 2010-02-05  Doug Kwan  <dougkwan@google.com>
4234
4235         PR 11247
4236         * arm.cc (Arm_relobj::section_is_scannable): New method.
4237         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4238         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4239
4240 2010-02-04  Doug Kwan  <dougkwan@google.com>
4241
4242         PR 11247
4243         * arm-reloc-property.cc (cstdio): Include.
4244         * configure.ac (targetobjs): Remove duplicates.
4245         * configure: Regenerate.
4246         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4247         big and little endian version for a given address size.
4248
4249 2010-02-03  Doug Kwan  <dougkwan@google.com>
4250
4251         * arm-reloc-property.cc
4252         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4253         definition.
4254         * arm-reloc-property.h
4255         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4256         New method definition.
4257         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4258         declaration.
4259         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4260         overflow to N.
4261         (GOT_PREL): Change implemented to Y.
4262         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4263         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4264         (Arm_relocate_functions::movw_abs_nc): Remove method.
4265         (Arm_relocate_functions::movt_abs): Ditto.
4266         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4267         (Arm_relocate_functions::thm_movt_abs): Ditto.
4268         (Arm_relocate_functions::movw_rel_nc): Ditto.
4269         (Arm_relocate_functions::movw_rel): Ditto.
4270         (Arm_relocate_functions::movt_rel): Ditto.
4271         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4272         (Arm_relocate_functions:thm_movw_rel): Ditto.
4273         (Arm_relocate_functions:thm_movt_rel): Ditto.
4274         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4275         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4276         New method definitions.
4277         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4278         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4279         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4280         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4281         (Target_arm::Relocate::relocate): Check for non-static or
4282         unimplemented relocation code and exit early.  Change calls to
4283         Target_arm::reloc_uses_thumb_bit and
4284         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4285         instead.  Refactor code to handle similar relocations to increase
4286         code sharing.  Remove check for unsupported relocation code in switch
4287         statement.
4288         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4289         relocation property table to find out size.  Change error message to
4290         print out the name of a relocation code instead of the numeric value.
4291         (Target_arm::scan_reloc_for_stub): Use relocation property table
4292         instead of calling Target_arm::reloc_uses_thumb_bit().
4293
4294 2010-02-02  Doug Kwan  <dougkwan@google.com>
4295
4296         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4297         types of relaxed input section.
4298
4299 2010-02-02  Doug Kwan  <dougkwan@google.com>
4300
4301         * Makefile.am (HFILES): Add arm-reloc-property.h.
4302         (DEFFILES): New.
4303         (TARGETSOURCES): Add arm-reloc-property.cc
4304         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4305         (libgold_a_SOURCES): $(DEFFILES)
4306         * Makefile.in: Regenerate.
4307         * arm-reloc-property.cc: New file.
4308         * arm-reloc-property.h: New file.
4309         * arm-reloc.def: New file.
4310         * arm.cc: Update comments.
4311         (arm-reloc-property.h): New included header.
4312         (arm_reloc_property_table): New global variable.
4313         (Target_arm::do_select_as_default_target): New method definition.
4314         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4315         arm-reloc-property to targ_extra_obj.
4316         * parameters.cc (set_parameters_target): Call
4317         Target::select_as_default_target().
4318         * target.h (Target::select_as_default_target): New method definition.
4319         (Target::do_select_as_default_target): Same.
4320
4321 2010-02-01  Doug Kwan  <dougkwan@google.com>
4322
4323         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4324         first_output_text_section_.
4325         (Arm_exidx_fixup::first_output_text_section): New method definition.
4326         (Arm_exidx_fixup::first_output_text_section_): New data member.
4327         (Arm_exidx_fixup::process_exidx_section): Record the first text
4328         output section seen.
4329         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4330         and entsize in output section header.
4331
4332 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4333
4334         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4335         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4336         (Arm_relocate_functions::thm_alu11): New Method.
4337         (Arm_relocate_functions::thm_pc8): New Method.
4338         (Arm_relocate_functions::thm_pc12): New Method.
4339         (Target_arm::Scan::local): Handle the relocations.
4340         (Target_arm::Scan::global): Likewise.
4341         (Target_arm::Relocate::relocate): Likewise.
4342         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4343
4344 2010-01-29  Doug Kwan  <dougkwan@google.com>
4345
4346         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4347         of relocation types as ld.
4348
4349 2010-01-29  Doug Kwan  <dougkwan@google.com>
4350
4351         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
4352         to public.
4353         (Arm_relocate_functions::thumb_branch_common): Ditto.
4354         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
4355         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
4356         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
4357         Arm_relocate_functions::jump24): Remove.
4358         (Target_arm::Relocate::relocate): Adjust code to call
4359         Arm_relocation_functions::arm_branch_common and
4360         Arm_relocation_functions::thumb_branch_common instead of their removed
4361         wrappers.  Merge switch-cases together to reduce source code size.
4362
4363 2010-01-29  Doug Kwan  <dougkwan@google.com>
4364
4365         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
4366         output_local_symbol_count_needs_update_.
4367         (Arm_relobj::output_local_symbol_count_needs_update,
4368          Arm_relobj::set_output_local_symbol_count_needs_update,
4369          Arm_relobj::update_output_local_symbol_count): New methods.
4370         (Arm_relobj::output_local_symbol_count_needs_update_): New data
4371         member.
4372         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
4373         of pointed function as in a R_ARM_PREL31 relocation.
4374         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
4375         for output local symbol count updating.
4376         (Target_arm::do_relax): Update output local symbol counts in objects
4377         if necessary.
4378         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
4379
4380 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4381
4382         * arm.cc: Added support for the ARM relocations:
4383         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
4384         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
4385         (Arm_relocate_functions::movw_rel_nc): Renamed (was
4386         movw_prel_nc).
4387         (Arm_relocate_functions::movw_rel): New method.
4388         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
4389         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
4390         thm_movw_prel_nc).
4391         (Arm_relocate_functions::thm_movw_rel): New method.
4392         (Arm_relocate_functions::thm_movt_rel): Renamed (was
4393         thm_movt_prel).
4394         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
4395         relocations.
4396         (Target_arm::Scan::global): Likewise.
4397         (Target_arm::Relocate::relocate): Likewise.
4398         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4399         Likewise.
4400
4401 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4402
4403         * arm.cc: Added support for ARM group relocations.
4404         (Target_arm::reloc_needs_sym_origin): New method.
4405         (Arm_relocate_functions::calc_grp_kn): New method.
4406         (Arm_relocate_functions::calc_grp_residual): New method.
4407         (Arm_relocate_functions::calc_grp_gn): New method.
4408         (Arm_relocate_functions::arm_grp_alu): New Method.
4409         (Arm_relocate_functions::arm_grp_ldr): New Method.
4410         (Arm_relocate_functions::arm_grp_ldrs): New Method.
4411         (Arm_relocate_functions::arm_grp_ldc): New Method.
4412         (Target_arm::Scan::local): Handle the ARM group relocations.
4413         (Target_arm::Scan::global): Likewise.
4414         (Target_arm::Relocate::relocate): Likewise.
4415         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4416         Likewise.
4417
4418 2010-01-26  Doug Kwan  <dougkwan@google.com>
4419
4420         * arm.cc (set): Include.
4421         (class Arm_exidx_fixup): Change type of last_input_section_ to const
4422         pointer type.
4423         (Arm_output_section::Text_section_list): New type.
4424         (Arm_output_section::append_text_sections_to_list): New method.
4425         (Arm_output_section::fix_exidx_coverage): Ditto.
4426         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
4427         (Arm_relobj::convert_input_section_to_relaxed_section): Use
4428         Relobj::set_section_offset() instead of
4429         Sized_relobj::invalidate_section_offset().
4430         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
4431         parameter for section headers. Ignore relocation sections for
4432         unallocated sections and EXIDX sections.
4433         (Target_arm::fix_exidx_coverage): New method.
4434         (Target_arm::output_section_address_less_than): New type.
4435         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
4436         linked text section instead of the EXIDX section.
4437         (Arm_output_section::create_stub_group): Add an assertion to check
4438         that this is not an EXIDX output section.
4439         (Arm_output_section::append_text_sections_to_list): New method.
4440         (Arm_output_section::fix_exidx_coverage): Ditto.
4441         (Arm_relobj::scan_sections_for_stubs): Adjust call to
4442         Arm_relobj::section_needs_reloc_stub_scanning.
4443         (Target_arm::do_relax): Fix EXIDX output section coverage in the
4444         first pass.
4445         (Target_arm::fix_exidx_coverage): New method.
4446         * object.h (Relobj::set_output_section): New method.
4447         (Sized_relobj::invalidate_section_offset): Remove method.
4448         (Sized_relobj::do_invalidate_section_offset): Remove method.
4449         (Sized_relobj::do_set_section_offset): Handle offset value -1.
4450
4451 2010-01-25  Doug Kwan  <dougkwan@google.com>
4452
4453         * arm.cc (Arm_exidx_merged_section::do_output_offset):
4454         Fix warning due to signed and unsigned comparison on a 32-bit host.
4455
4456 2010-01-22  Doug Kwan  <dougkwan@google.com>
4457
4458         * arm.cc (Target_arm::do_relax): Record an output section for section
4459         offset adjustment it contains any stub table that has changed.
4460         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
4461         offsets in an output section if necessary.
4462         * output.cc (Output_section::Output_section): Initialize
4463         section_offsets_need_adjustments_.
4464         (Output_section::add_input_section_for_script): Renamed to
4465         Output_section::add_simple_input_section.
4466         (Output_section::save_states): Add a comment.
4467         (Output_section::discard_states): New method defintion.
4468         (Output_section::adjust_section_offsets): Same.
4469         * output.h (Output_section::add_input_section_for_script): Renamed to
4470         Output_section::add_simple_input_section.
4471         (Output_section::discard_states): New method declaration.
4472         (Output_section::adjust_section_offsets): Same.
4473         (Output_section::section_offsets_need_adjustment,
4474         Output_section::set_section_offsets_need_adjustment): New method
4475         definitions.
4476         (Output_section::section_offsets_need_adjustment_): New data member.
4477         * script-sections.cc
4478         (Output_section_element_input::set_section_address): Adjust code for
4479         renaming of Output_section::add_input_section_for_script.
4480         (Orphan_output_section::set_section_address): Same.
4481
4482 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4483
4484         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
4485         Fix_v4bx enum values .
4486         * gold/options.h (General_options): New option definitions.
4487         (General_options::fix_v4bx): New method.
4488         (General_options::Fix_v4bx): New enum.
4489         * gold/options.cc (General_options::parse_fix_v4bx): New method.
4490         (General_options::parse_fix_v4bx_interworking): New method.
4491
4492 2010-01-22  Doug Kwan  <dougkwan@google.com>
4493
4494         * arm.cc (Arm_exidx_fixup): New class.
4495
4496 2010-01-21  Doug Kwan  <dougkwan@google.com>
4497
4498         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
4499         classes.
4500         (Arm_exidx_section_offset_map): New type.
4501
4502 2010-01-21  Doug Kwan  <dougkwan@google.com>
4503
4504         * arm.cc (Arm_exidx_input_section): New class.
4505         (Arm_relobj::exidx_input_section_by_link,
4506         Arm_relobj::exidx_input_section_by_shndx,
4507         Arm_relobj::make_exidx_input_section): New methods.
4508         (read_arm_attributes_section): Remove.
4509         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4510         information about them.
4511         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4512         to here.
4513
4514 2010-01-20  Doug Kwan  <dougkwan@google.com>
4515
4516         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4517         Input_section_specifier to Section_id.
4518         (Target_arm::new_arm_input_section: Adjust code for change of key
4519         type.
4520         (Target_arm::find_arm_input_section): Ditto.
4521         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4522         (Section_id): Remove.
4523         (Garbage_collection::Section_id_hash): Remove.
4524         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4525         (Section_id): Remove.
4526         (Icf::Section_id_hash): Remove.
4527         * object.h (Section_id, Const_section_id, Section_id_hash,
4528         Const_section_id_hash): New type definitions.
4529         * output.cc (Output_section::add_relaxed_input_section): Change to
4530         use Const_section_id instead of Input_section_specifier as key type.
4531         (Output_section::add_merge_input_section): Ditto.
4532         (Output_section::build_relaxation_map): Change to use Section_id
4533         instead of Input_section_specifier as key type.
4534         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4535         Ditto.
4536         (Output_section::convert_input_sections_to_relaxed_sections): Change
4537         to use Const_section_id instead of Input_section_specifier as key type.
4538         (Output_section::find_merge_section): Ditto.
4539         (Output_section::find_relaxed_input_section): Ditto.
4540         * output.h (Input_section_specifier): Remove class.
4541         (Output_section::Output_section_data_by_input_section_map): Change
4542         key type to Const_section_id.
4543         (Output_section::Output_relaxed_input_section_by_input_section_map):
4544         Ditto.
4545         (Output_section::Relaxation_map): Change key type to Section_id.
4546
4547 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4548
4549         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4550         (class Arm_v4bx_stub): New class.
4551         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4552         (Stub_factory::make_arm_v4bx_stub): New method.
4553         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4554         (Stub_table::empty): Handle v4bx stubs.
4555         (Stub_table::add_arm_v4bx_stub): New method.
4556         (Stub_table::find_arm_v4bx_stub): New method.
4557         (Arm_relocate_functions::v4bx): New method.
4558         (Target_arm::fix_v4bx): New method.
4559         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4560         (Stub_table::relocate_stubs): Likewise.
4561         (Stub_table::do_write): Likewise.
4562         (Stub_table::update_data_size_and_addralign): Likewise.
4563         (Stub_table::finalize_stubs):  Likewise.
4564         (Target_arm::Scan::local): Likewise.
4565         (Target_arm::Scan::global): Likewise.
4566         (Target_arm::do_finalize_sections): Likewise.
4567         (Target_arm::Relocate::relocate): Likewise.
4568         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4569         Likewise.
4570         (Target_arm::scan_reloc_for_stub): Likewise.
4571         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4572
4573 2010-01-19  Ian Lance Taylor  <iant@google.com>
4574
4575         * output.cc (Output_section_headers::do_sized_write): Write large
4576         segment count to sh_info field.
4577         (Output_file_header::do_sized_write): For large segment count,
4578         write PN_XNUM to e_phnum field.
4579
4580 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4581
4582         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4583         (Arm_relocate_functions::thm_jump8): New function.
4584         (Arm_relocate_functions::thm_jump11): New function.
4585         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4586         R_ARM_THM_JUMP11.
4587         (Target_arm::Scan::global): Likewise.
4588         (Target_arm::Relocate::relocate): Likewise.
4589         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4590         Likewise.
4591
4592 2010-01-14  Doug Kwan  <dougkwan@google.com>
4593
4594         * arm.cc (map, utility): Include headers.
4595         (Target_arm::apply_cortex_a8_workaround): New method.
4596         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4597         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4598         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4599         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4600         the --[no-]fix-cortex-a8 command line options.
4601         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4602         (Target_arm::relocate_stub): Use addend in instruction template.
4603         * options.h (DEFINE_bool): Set the user-set flag.
4604         (General_options): Add --[no-]-fix-cortex options.
4605         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4606         : Update fast look-up map after conversion.
4607
4608 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4609
4610         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4611         in the first pass of do_layout.
4612
4613 2010-01-13  Doug Kwan  <dougkwan@google.com>
4614
4615         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4616         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4617         apparent compiler problem of not folding static constant integral
4618         data members of elfcpp::Elf_sizes<32>.
4619
4620 2010-01-13  Doug Kwan  <dougkwan@google.com>
4621
4622         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4623         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4624         Arm_relobj::scan_section_for_cortex_a8_erratum,
4625         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4626         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4627         sections to scan for relocation stubs into a new method
4628         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4629         relocation and Cortex-A8 stub scanning.
4630         (Target_arm::do_relax): Force stubs to be after stubbed sections
4631         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4632         the beginning of a new relaxation pass.  Update a comment.
4633         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4634
4635 2010-01-12  Ian Lance Taylor  <iant@google.com>
4636
4637         * target-reloc.h (visibility_error): New inline function.
4638         (relocate_section): Call visibility_error.
4639         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4640         (MOSTLYCLEANFILES): Likewise.
4641         (protected_4_pic.o, protected_3.err): New targets.
4642         * testsuite/protected_4.cc: New file.
4643
4644 2010-01-12  Doug Kwan  <dougkwan@google.com>
4645
4646         * arm.cc (Cortex_a8_reloc): New class.
4647         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4648         and cortex_a8_relocs_info_.
4649         (Target_arm::fix_cortex_a8): New method definition.
4650         (Target_arm::Cortex_a8_relocs_info): New type.
4651         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4652         New data member declarations.
4653         (Target_arm::scan_reloc_for_stub): Record information about
4654         relocations for THUMB branches that might be exempted from the
4655         Cortex-A8 workaround.
4656         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4657         at the beginning of a relaxation pass.
4658
4659 2010-01-12  Doug Kwan  <dougkwan@google.com>
4660
4661         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4662         (Arm_relobj::Mapping_symbol_position,
4663          Arm_reloj::Mapping_symbol_position_less,
4664          Arm_relobj::Mapping_symbols_info): New types.
4665         (Target_arm::is_mapping_symbol_name): New method definition.
4666         (Arm_relobj::do_count_local_symbols): Save information about mapping
4667         symbols.
4668
4669 2010-01-11  Doug Kwan  <dougkwan@google.com>
4670
4671         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4672         Arm_relocate_functions::thumb32_branch_upper,
4673         Arm_relocate_functions::thumb32_branch_lower,
4674         Arm_relocate_functions::thumb32_cond_branch_offset,
4675         Arm_relocate_functions::thumb32_cond_branch_upper,
4676         Arm_relocate_functions::thumb32_cond_branch_lower,
4677         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4678         branch offset encoding.
4679         (Arm_relocate_functions::thumb_branch_common): Use new branch
4680         offset encoding methods to avoid code duplication.
4681         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4682         (Stub_addend_reader::operator()): Use new branch encoding method
4683         to avoid code duplication.
4684
4685 2010-01-11  Doug Kwan  <dougkwan@google.com>
4686
4687         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4688         (Target_arm::do_finalize_sections): Define special EXIDX section
4689         symbols only if referenced.
4690         * gc.h (Garbage_collection::add_reference): New method.
4691         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4692         code duplication.
4693
4694 2010-01-11  Ian Lance Taylor  <iant@google.com>
4695
4696         * script.cc (Version_script_info::build_expression_list_lookup):
4697         Change complaing about duplicate wildcard match from error to
4698         warning.
4699
4700         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4701         of 2009-12-30.
4702         (Version_script_info::Version_script_info): Initialize globs_,
4703         default_version_, default_is_global_, and exact_.  Don't
4704         initialize globals_ or locals_.
4705         (Version_script_info::build_lookup_tables): Build local symbols
4706         first.
4707         (Version_script_info::unquote): New function.
4708         (Version_script_info::add_exact_match): New function.
4709         (Version_script_info::build_expression_list_lookup): Remove lookup
4710         parameter.  Add is_global parameter.  Change all callers.  Handle
4711         wildcard pattern specially.  Unquote pattern.  Call
4712         add_exact_match.
4713         (Version_script_info::get_name_to_match): New function.
4714         (Version_script_info::get_symbol_version): New function.
4715         (Version_script_info::get_symbol_version_helper): Remove.
4716         (Version_script_info::check_unmatched_names): Call unquote.
4717         * script.h (class Version_script_info): Change get_symbol_version
4718         to be non-inline and add is_global parameter; change all callers.
4719         Rewrite symbol_is_local.  Update declarations.  Define struct
4720         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4721         Remove globals_ and locals_ members.  Add exact_, globs_,
4722         default_version_, is_global_.
4723         (Version_script_info::Glob): Remove pattern, add expression and
4724         is_global.  Update constructor.  Change all callers.
4725         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4726         default version.
4727         (Versions::symbol_section_contents): If a symbol is undefined, or
4728         defined in a dynamic object, set the version index to
4729         VER_NDX_LOCAL.
4730         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4731         symbol_is_local.
4732         (Symbol_table::add_from_pluginobj): Likewise.
4733         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4734
4735 2010-01-11  Doug Kwan  <dougkwan@google.com>
4736
4737         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4738         (incremental_dump_LDADD): Add linking option for libintl.
4739         * Makefile.in: Regenerate.
4740
4741 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4742
4743         PR gold/11144
4744         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4745         instead of -Ds.
4746         * testsuite/Makefile.in: Regenerated.
4747
4748 2010-01-10  Doug Kwan  <dougkwan@google.com>
4749
4750         * options.h (DEFINE_var): Use parentheses around argument varname__
4751         in macro body to avoid any unintended subsequent substitutions.
4752
4753 2010-01-10  Ian Lance Taylor  <iant@google.com>
4754
4755         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4756         candidates before doing symbol resolution.
4757
4758         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4759         ODR candidates if only one is weak.
4760
4761 2010-01-08  Ian Lance Taylor  <iant@google.com>
4762
4763         * script.cc (Version_script_info::build_expression_list_lookup):
4764         Don't warn about ambiguous version, just record the ambiguity.
4765         (Version_script_info::get_symbol_version_helper): Give error if
4766         version is ambiguous.
4767
4768 2010-01-08  Doug Kwan  <dougkwan@google.com>
4769
4770         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4771           prev_data_size_ and prev_addralign_.  Remove initializer for
4772           deleted data member has_been_changed_.
4773           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4774           to determine if the table is empty.
4775           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4776           Remove.
4777           (Stub_table::add_reloc_stub): Define method in class definition
4778           instead of just declaring it there.
4779           (Stub_table::add_cortex_a8_stub): New method definition.
4780           (Stub_table::update_data_size_and_addralign): Ditto.
4781           (Stub_table::finalize_stubs): Ditto.
4782           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4783           (Stub_table::do_addralign_): Return address alignment in the
4784           (Stub_table::do_reset_address_and_file_offset): Define method in
4785           class definition instead of declaring it there.  Set current data
4786           size to be the data size of the previous pass.
4787           (Stub_table::set_final_data_size): Use current data size as the
4788           final data size.
4789           (Stub_table::relocate_stub): Change parameter type of stub from
4790           Reloc_stub pointer to Stub pointer.
4791           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4792           (Stub_table::Cortex_a8_stub_list): New typedef.
4793           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4794            Stub_table::prev_addralign_): New data member.
4795           (Arm_relobj::Arm_relobj): Initialize data member
4796           section_has_cortex_a8_workaround_.
4797           (Arm_relobj::section_has_cortex_a8_workaround,
4798            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4799            definitions.
4800           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4801           declarations.
4802           (Target_arm::relocate_stub): Change parameter type of stub from
4803           Reloc_stub pointer to Stub pointer.
4804           (Insn_template::size, Insn_template::alignment): Handle
4805           THUMB16_SPECIAL_TYPE.
4806           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4807            Stub_table::update_data_size_and_addralign,
4808            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4809           definitions.
4810           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4811           (Stub_table::do_write): Ditto.
4812           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4813
4814 2010-01-08  Ian Lance Taylor  <iant@google.com>
4815
4816         PR 11108
4817         * symtab.h (class Symbol): Remove fields is_target_special_ and
4818         has_plt_offset_.  Add field is_defined_in_discarded_section_.
4819         (Symbol::is_defined_in_discarded_section): New function.
4820         (Symbol::set_is_defined_in_discarded_section): New function.
4821         (Symbol::has_plt_offset): Rewrite.
4822         (Symbol::set_plt_offset): Verify that new offset is not -1U.
4823         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
4824         Don't initialize is_target_special_ or has_plt_offset_.
4825         Initialize is_defined_in_discarded_section_.
4826         (Symbol_table::add_from_relobj): If appropriate, set
4827         is_defined_in_discarded_section.
4828         * resolve.cc (Symbol::override_base_with_special): Don't test
4829         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
4830         * target-reloc.h (relocate_section): Do special handling for
4831         symbols defined in discarded sections for global symbols as well
4832         as local symbols.
4833
4834 2010-01-08  Ian Lance Taylor  <iant@google.com>
4835
4836         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
4837         the SHT_SYMTAB case.
4838
4839 2010-01-08  Ian Lance Taylor  <iant@google.com>
4840
4841         * object.cc (Sized_relobj::do_layout): Don't get confused if
4842         layout_eh_frame returns NULL.
4843
4844 2010-01-08  Ian Lance Taylor  <iant@google.com>
4845
4846         PR 11084
4847         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
4848         dynamic symbol table, use the normal symbol table.
4849         (Sized_dynobj::do_read_symbols): Remove assertion about type of
4850         symbol table.
4851
4852 2010-01-08  Ian Lance Taylor  <iant@google.com>
4853
4854         PR 11072
4855         * layout.cc (Layout::include_section): Remove .gnu_debuglink
4856         sections.
4857
4858 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
4859
4860         * version.cc (print_version): Change to "Copyright 2010".
4861
4862 2010-01-08  Ian Lance Taylor  <iant@google.com>
4863
4864         PR 10287
4865         PR 11063
4866         * i386.cc (class Target_i386): Change return type of plt_section
4867         to be non-const.
4868         (class Output_data_plt_i386): Add tls_desc_rel_ field.
4869         (Output_data_plt_i386::Output_data_plt_i386): Initialize
4870         tls_desc_rel_ field.
4871         (Output_data_plt_i386::rel_tls_desc): New function.
4872         (Target_i386::rel_tls_desc_section): New function.
4873         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
4874         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
4875         R_386_TLS_DESC reloc in rel_tls_desc_section.
4876         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
4877         Define struct Tlsdesc_info.
4878         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
4879         (Target_x86_64::do_reloc_symbol_index): New function.
4880         (Target_x86_64::add_tlsdesc_info): New function.
4881         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
4882         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
4883         tlsdesc_rel_ field.
4884         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
4885         all callers.
4886         (Output_data_plt_x86_64::rela_tlsdesc): New function.
4887         (Target_x86_64::rela_tlsdesc_section): New function.
4888         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
4889         handling.
4890         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
4891         (Target_x86_64::do_reloc_addend): New function.
4892         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
4893         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
4894         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
4895         (Output_reloc::type): New function.
4896         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
4897         (Output_reloc::is_target_specific): New function.
4898         (Output_reloc::target_arg): New function.
4899         (class Output_reloc) [SHT_RELA]: Add four new constructors for
4900         absolute relocs and target specific relocs.
4901         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
4902         add_target_specific.
4903         (class Output_data_reloc) [SHT_RELA]: Likewise.
4904         * output.cc (Output_reloc::Output_reloc): Add four new versions
4905         for absolute relocs and target specific relocs.
4906         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
4907         (Output_reloc::get_symbol_index): Likewise.
4908         (Output_reloc::local_section_offset): Check that local_sym_index_
4909         is not TARGET_CODE or 0.
4910         (Output_reloc::symbol_value): Likewise.
4911         (Output_reloc::write) [SHT_RELA]: Call target for target specific
4912         reloc.
4913         * target.h (class Target): Add reloc_symbol_index and reloc_addend
4914         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
4915         functions.
4916         * layout.cc (add_target_dynamic_tags): Use output section for
4917         DT_PLTRELSZ and DT_JMPREL.
4918
4919 2010-01-07  Ian Lance Taylor  <iant@google.com>
4920
4921         PR 11061
4922         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
4923         function.
4924         (class Output_data_reloc_generic): Define.
4925         (class Output_data_reloc_base): Change base class to
4926         Output_data_reloc_generic.  Change add() method to call
4927         bump_relative_reloc_count for a relative reloc.  Remove
4928         sort_relocs_ field.
4929         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
4930         to sort_relocs().
4931         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
4932         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
4933         appropriate.
4934         * layout.h (class Layout): Update declaration.
4935
4936 2010-01-07  Ian Lance Taylor  <iant@google.com>
4937
4938         * output.h (class Output_data): Add const version of
4939         output_section and do_output_section.
4940         (class Output_section_data): Add const version of
4941         do_output_section.
4942         (class Output_section): Likewise.
4943         * layout.cc (Layout::add_target_dynamic_tags): New function.
4944         * layout.h (class Layout): Update declarations.
4945         * arm.cc (Target_arm::do_finalize_sections): Use
4946         add_target_dynamic_tags.
4947         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4948         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4949         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4950         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4951
4952 2010-01-07  Ian Lance Taylor  <iant@google.com>
4953
4954         PR 11042
4955         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
4956         object as needed.
4957
4958 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
4959             Ian Lance Taylor  <iant@google.com>
4960
4961         PR 11019
4962         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
4963         Xindex::read_symtab_xindex.
4964
4965 2010-01-07  Doug Kwan  <dougkwan@google.com>
4966
4967         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
4968         (Insn_template::thumb16_bcond_insn): New method declaration.
4969         (Insn_template): Fix spelling.
4970         (Stub::thumb16_special): New method declaration.
4971         (Stub::do_write): Define virtual method which was previously pure
4972         virtual.
4973         (Stub::do_thumb16_special): New method declaration.
4974         (Stub::do_fixed_endian_write): New template member.
4975         (Reloc_stub::do_write): Remove.
4976         (Reloc_stub::do_fixed_endian_write): Remove.
4977         (Cortex_a8_stub): New class definition.
4978         (Stub_factory::make_cortex_a8_stub): New method definition.
4979         (Stub_factory::Stub_factory): Add missing static storage class
4980         qualifier for elf32_arm_stub_a8_veneer_blx.
4981
4982 2010-01-07  Ian Lance Taylor  <iant@google.com>
4983
4984         PR 10980
4985         * options.h (class General_options): Add --warn-unresolved-symbols
4986         and --error-unresolved-symbols.
4987         * errors.cc (Errors::undefined_symbol): Implement
4988         --warn-unresolved-symbols.
4989
4990         * options.h (class General_options): Add -z text and -z textoff.
4991         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
4992
4993 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
4994
4995         * gc.h (Garbage_collection::Cident_section_map): New typedef.
4996         (Garbage_collection::cident_sections): New function.
4997         (Garbage_collection::add_cident_section): New function.
4998         (Garbage_collection::cident_sections_): New member.
4999         (gc_process_relocs): Add references to sections whose names are C
5000         identifiers.
5001         * gold.h (cident_section_start_prefix): New constant.
5002         (cident_section_stop_prefix): New constant.
5003         (is_cident): New function.
5004         * layout.cc (Layout::define_section_symbols): Replace string constants
5005         with the newly defined constants.
5006         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5007         C identifiers.
5008         * testsuite/Makefile.am: Add gc_orphan_section_test.
5009         * testsuite/Makefile.in: Regenerate.
5010         * testsuite/gc_orphan_section_test.cc: New file.
5011         * testsuite/gc_orphan_section_test.sh: New file.
5012
5013 2010-01-06  Ian Lance Taylor  <iant@google.com>
5014
5015         PR 10980
5016         * options.h (class General_options): Add --warn-shared-textrel.
5017         * layout.cc (Layout::finish_dynamic_section): Implement
5018         --warn-shared-textrel.
5019
5020         PR 10980
5021         * options.h (class General_options): Add --warn-multiple-gp.
5022
5023 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5024
5025         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5026         $(THREADSLIB) and $(LIBDL).
5027         * Makefile.in: Rebuild.
5028
5029 2010-01-06  Ian Lance Taylor  <iant@google.com>
5030
5031         PR 10980
5032         * options.cc (General_options::parse_section_start): New function.
5033         (General_options::section_start): New function.
5034         (General_options::General_options): Initialize all members.
5035         * options.h: Include <map>
5036         (class General_options): Add --section-start.  Add section_starts_
5037         member.
5038         * layout.cc (Layout::attach_allocated_section_to_segment): If
5039         --section-start was used, set the address of the segment.  Remove
5040         local sort_sections.
5041         (Layout::relaxation_loop_body): If the address of the load segment
5042         has been set by --section-start, don't use it.
5043         * output.h (Output_segment::update_flags_for_output_section): New
5044         function.
5045         * output.cc (Output_segment::add_output_section): Call
5046         update_flags_for_output_section.
5047
5048 2010-01-05  Ian Lance Taylor  <iant@google.com>
5049
5050         PR 10980
5051         * options.h (class General_options): Add --undefined-version.
5052         * script.cc (struct Version_expression): Add was_matched_by_symbol
5053         field.
5054         (Version_script_info::matched_symbol): New function.
5055         (Version_script_info::get_symbol_version_helper): Call
5056         matched_symbol.
5057         (Version_script_info::check_unmatched_names): New function.
5058         * script.h (class Version_script_info): Update declarations.
5059         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5060
5061         * options.h (class General_options): Use DEFINE_bool_alias for
5062         allow_multiple_definition.
5063         * resolve.cc (Symbol_table::should_override): Don't test
5064         allow_multiple_definition.
5065
5066         PR 10980
5067         * options.h (class General_options): Add --cref.
5068         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5069         until after printing cref table.
5070         * cref.cc: Include "symtab.h".
5071         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5072         (Cref_table_compare::operator()): New function.
5073         (Cref_inputs::gather_cref): New function.
5074         (filecol): New static const.
5075         (Cref_inputs::print_cref): New function.
5076         (Cref::print_cref): New function.
5077         * cref.h: Include <cstdio>.
5078         (class Cref): Update declarations.
5079         * mapfile.h (Mapfile::file): New function.
5080         * object.h (class Object): Define Symbols.  Declare virtual
5081         do_get_global_symbols.
5082         (Object::get_global_symbols): New function.
5083         * object.cc (Input_objects::add_object): Pass object to cref_ if
5084         --cref.
5085         (Input_objects::archive_start): Likewise.
5086         (Input_objects::archive_stop): Likewise.
5087         (Input_objects::print_cref): New function.
5088         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5089         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5090         --cref.
5091         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5092         function.
5093         * plugin.h (class Sized_pluginobj): Update declarations.
5094
5095 2010-01-05  Ian Lance Taylor  <iant@google.com>
5096
5097         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5098         to is_default_version.  Rename insdef to insdefault.
5099         (Symbol_table::add_from_relobj): Rename def to is_default_version
5100         and local to is_forced_local.
5101         (Symbol_table::add_from_pluginobj): Likewise.
5102         (Symbol_table::add_from_dynobj): Likewise.
5103         (Symbol_table::define_special_symbol): Rename insdef to
5104         insdefault.
5105
5106 2010-01-04  Ian Lance Taylor  <iant@google.com>
5107
5108         PR 10980
5109         * options.h (class General_options): Add
5110         --allow-multiple-definition and -z muldefs.
5111         * resolve.cc (Symbol_table::should_override): Don't warn about a
5112         multiple symbol definition if --allow-multiple-definition or -z
5113         muldefs.
5114
5115         PR 10980
5116         * options.h (class General_options): Add --add-needed and
5117         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5118         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5119         error if --copy-dt-needed-entries aka --add-needed is used and
5120         would cause a change in behaviour.
5121
5122         PR 10980
5123         * options.h (class General_options): Add -G as a short version of
5124         --shared.  Add no-op options -assert, -g, and -i.
5125
5126 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5127
5128         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5129         check for .text or .gnu.linkonce.t sections.
5130         * icf.cc (Icf::find_identical_sections): Ditto.
5131         Change the detection for mangled function name within the section
5132         name.
5133         * icf.h (is_section_foldable_candidate): New function.
5134
5135 2009-12-30  Ian Lance Taylor  <iant@google.com>
5136
5137         PR 10980
5138         * options.h (class General_options): Permit two dashes with
5139         --retain-symbols-file.
5140
5141 2009-12-30  Ian Lance Taylor  <iant@google.com>
5142
5143         PR 10979
5144         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5145         don't put the file header and segment headers in the text
5146         segment.
5147
5148         PR 10979
5149         * common.cc (Sort_commons::operator()): Stabilize sort when both
5150         entries are NULL.
5151         (Symbol_table::do_allocate_commons_list): When allocating common
5152         symbols, skip a symbol which is no longer common.
5153         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5154         an object before checking its type.
5155         * testsuite/common_test_2.c: New file.
5156         * testsuite/common_test_3.c: New file.
5157         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5158         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5159         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5160         (common_test_2_pic.o, common_test_2.so): New targets.
5161         (common_test_3_pic.o, common_test_3.so): New targets.
5162         * testsuite/Makefile.in: Rebuild.
5163
5164         PR 10979
5165         * script.cc (read_input_script): If we see a new SECTIONS clause,
5166         and we have added an input section, give an error.
5167         * layout.h (class Layout): Add have_added_input_section function.
5168         Add have_added_input_section_ field.
5169         * layout.cc (Layout::Layout): Initialize
5170         have_added_input_section_.
5171         (Layout::layout): Set have_added_input_section_.
5172         (Layout::layout_eh_frame): Likewise.
5173
5174 2009-12-30  Ian Lance Taylor  <iant@google.com>
5175
5176         PR 10931
5177         * options.h (class General_options): Add --sort-common option.
5178         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5179         * common.cc (Sort_common): Add sort_order parameter to
5180         constructor.  Add sort_order_ field.
5181         (Sort_commons::operator): Check sort_order_.
5182         (Symbol_table::allocate_commons): Determine the sort order.
5183         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5184         Change all callers.
5185         (Symbol_table::do_allocate_commons_list): Likewise.
5186
5187 2009-12-30  Ian Lance Taylor  <iant@google.com>
5188
5189         PR 10916
5190         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5191         symbols from this object, don't change the visibility of an
5192         undefined symbol.
5193         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5194
5195 2009-12-30  Ian Lance Taylor  <iant@google.com>
5196
5197         PR 10861
5198         * script.h (class Version_script_info): Define Language enum.
5199         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5200         new fields globals_, locals_, and is_finalized_.
5201         * script.cc: Various formatting fixes.
5202         (class Parser_closure): Change language_stack_ from a vector of
5203         std::string to one of Version_script_info::Language.  Adjust all
5204         uses accordingly.
5205         (class Lazy_demangler): Remove.
5206         (struct Version_expression): Change language from std::string to
5207         Version_script_info::Language.
5208         (Version_script_info::Version_script_info): New function.
5209         (Version_script_info::~Version_script_info): Don't call clear.
5210         (Version_script_info::finalize): New function.
5211         (Version_script_info::build_lookup_tables): New function.
5212         (Version_script_info::build_expression_list_lookup): New
5213         function.
5214         (Version_script_info::get_symbol_version_helper): Rewrite to use
5215         lookup tables.
5216         (Version_script_info::print_expression_list): Adjust to use
5217         Version_script_info::Language.
5218         (script_push_lex_into_version_mode): Check that the version script
5219         has not been finalized.
5220         (version_script_push_lang): Change language string to
5221         Version_script_info::Language.
5222         * options.cc (Command_line::version_script): New function.
5223         * options.h (class General_options): Add finalize_dynamic_list
5224         function.  Change version_script from declaration to definition.
5225         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5226         * testsuite/version_script.map: Remove duplicate def of foo.
5227         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5228         version_script.map.
5229         * testsuite/Makefile.in: Rebuild.
5230
5231 2009-12-30  Ian Lance Taylor  <iant@google.com>
5232
5233         PR 10843
5234         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5235         if the input symbol index is 0, make the output symbol index 0.
5236
5237 2009-12-30  Ian Lance Taylor  <iant@google.com>
5238
5239         PR 10670
5240         * options.h (class General_options): Add -x/--discard-all.
5241         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5242         --discard-all.  If the local symbol needs a dynamic entry, check
5243         that before handling --discard-locals.
5244
5245 2009-12-30  Ian Lance Taylor  <iant@google.com>
5246
5247         PR 10450
5248         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5249         flags to PF_R.
5250         (Output_segment::add_output_section): Don't change the flags if
5251         the type is PT_TLS.
5252
5253         PR 10450
5254         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5255         GNU hash table if they need a dynamic value.  Otherwise, don't add
5256         them if they are defined in a dynamic object or are forced local.
5257
5258 2009-12-29  Ian Lance Taylor  <iant@google.com>
5259
5260         PR 10450
5261         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5262         .gnu.hash table for a 32-bit target.
5263
5264         PR 10450
5265         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5266         regular and a dynamic object only needs a dynamic symbol table
5267         entry if it is externally visible.
5268
5269         PR 10450
5270         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5271         constructor.  Add global_offset_table_ field.
5272         (Target_i386::got_section): Set global_offset_table_.
5273         (Target_i386::do_finalize_sections): Set global_offset_table_
5274         size.
5275         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5276         in constructor.  Add global_offset_table_ field.
5277         (Target_x86_64::got_section): Set global_offset_table_.
5278         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5279         size.
5280
5281         * layout.cc (Layout::Layout): Initialize increase_relro_.
5282         (Layout::get_output_section): Add is_relro, is_last_relro, and
5283         is_first_non_relro parameters.  Change all callers.
5284         (Layout::choose_output_section): Likewise.
5285         (Layout::add_output_section_data): Likewise.
5286         (Layout::make_output_section): Likewise.
5287         (Layout::set_segment_offsets): Clear increase_relro when using a
5288         linker script.
5289         * layout.h (class Layout): Add increase_relro method.  Add
5290         increase_relro_ field.  Update declarations.
5291         * output.cc (Output_section::Output_section): Initialize
5292         is_last_relro_ and is_first_non_relro_.
5293         (Output_segment::add_output_section): Group relro sections is
5294         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5295         (Output_segment::maximum_alignment): Remove relro handling.
5296         (Output_segment::set_section_addresses): Add increase_relro
5297         parameter.  Change all callers.  Add initial alignment to align
5298         relro sections on separate page.  Remove old relro handling.
5299         (Output_segment::set_section_list_addresses): Remove in_relro
5300         parameter.  Change all callers.
5301         (Output_segment::set_offset): Add increase parameter.  Change all
5302         callers.  Remove old relro handling.
5303         * output.h (class Output_section): Add new methods: is_last_relro,
5304         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5305         Add is_last_relro_ and is_first_non_relro_ fields.
5306         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5307         Create separate .got.plt section.  Call increase_relro.
5308         * x86_64.cc (Target_x86_64::got_section): Likewise.
5309         * testsuite/relro_script_test.t: Add .got.plt.
5310
5311         PR 10450
5312         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5313         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5314         (Layout::finalize): Call set_dynamic_symbol_size.
5315         (Layout::set_dynamic_symbol_size): New function.
5316         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5317         set_dynamic_symbol_size.
5318
5319         PR 10450
5320         * output.h (class Output_section): Add is_entsize_zero_ field.
5321         * output.cc (Output_section::Output_section): Initialize
5322         is_entsize_zero_.
5323         (Output_section::set_entsize): If two different entsizes are
5324         requested, force it to zero.
5325         (Output_section::add_input_section): Set flags for .debug_str
5326         before updating section flags.  Set entsize.
5327         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5328         and SHF_STRING if all input sections have those flags.
5329
5330 2009-12-29   Rafael Espindola  <espindola@google.com>
5331
5332         * main.cc (main): Fix the sys time reporting.
5333         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5334         reporting.
5335
5336 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5337
5338         * options.cc (General_options::parse_version): Allow -v to exit
5339         without an error if there is nothing to link.
5340
5341 2009-12-29  Ian Lance Taylor  <iant@google.com>
5342
5343         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5344         using a version of gcc before 4.1.
5345         * configure: Rebuild.
5346
5347 2009-12-28  Chris Demetriou  <cgd@google.com>
5348
5349         * attributes.cc (Output_attributes_section_data::do_write): Use
5350         std::vector::front rather than std::vector::data.
5351
5352 2009-12-28  Ian Lance Taylor  <iant@google.com>
5353
5354         * symtab.h (class Symbol_table): Add enum Defined.
5355         * resolve.cc (Symbol_table::should_override): Add defined
5356         parameter.  Change all callers.  Test whether object is NULL
5357         before calling a method on it.
5358         (Symbol_table::report_resolve_problem): Add defined parameter.
5359         Change all callers.
5360         (Symbol_table::should_override_with_special): Likewise.
5361         * symtab.cc (Symbol_table::define_in_output_data): Add defined
5362         parameter.  Change all callers.
5363         (Symbol_table::do_define_in_output_data): Likewise.
5364         (Symbol_table::define_in_output_segment): Likewise.
5365         (Symbol_table::do_define_in_output_segment): Likewise.
5366         (Symbol_table::define_as_constant): Likewise.
5367         (Symbol_table::do_define_as_constant): Likewise.
5368         * script.h (class Symbol_assignment): Add is_defsym parameter to
5369         constructor; change all callers.
5370         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
5371         parameter.  Change all callers.  Add is_defsym_ field.
5372         (class Parser_closure): Add parsing_defsym parameter to
5373         constructor; change all callers.  Add parsing_defsym accessor
5374         function.  Add parsing_defsym_ field.
5375
5376 2009-12-28  Ian Lance Taylor  <iant@google.com>
5377
5378         * gold.cc (queue_middle_tasks): Fix formatting.
5379         * object.cc (Relobj::is_section_name_included): Likewise.
5380
5381 2009-12-23  Ian Lance Taylor  <iant@google.com>
5382
5383         * i386.cc (Target_i386::do_calls_non_split): Recognize
5384         -fsplit-stack prologue for a function with a static chain.
5385         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
5386         -fsplit-stack prologue when using %r11.
5387
5388 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
5389
5390         * options.cc (General_options::parse_version): Make -v continue and do
5391         the link like GNU ld does.
5392
5393 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
5394
5395         * Makefile.am (CCFILES): Add timer.cc.
5396         (HFILES): Add timer.h.
5397         * configure.ac: Check for sysconf and times.
5398         * main.cc: include timer.h.
5399         (main): Use Timer instead of get_run_time.
5400         * timer.cc: New.
5401         * timer.h: New.
5402         * workqueue.cc: include timer.h.
5403         (Workqueue::find_and_run_task):
5404         Report user, sys and wall time.
5405         * Makefile.in: Regenerate.
5406         * config.in: Regenerate.
5407         * configure: Regenerate.
5408
5409 2009-12-16  Doug Kwan  <dougkwan@google.com>
5410
5411         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
5412         sections.
5413         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
5414         relaxed input sections.
5415         * output.cc (Output_section::find_relaxed_input_section): Change
5416         return type to Output_relaxed_input_section pointer.  Adjust code
5417         for new type of relaxed_input_section_map_.
5418         * output.h (Output_section::find_relaxed_input_section): Change
5419         return type to Output_relaxed_input_section pointer.
5420         (Output_section::Output_relaxed_input_section_by_input_section_map):
5421         New type.
5422         (Output_section::relaxed_input_section_map_): Change type to
5423         Output_section::Output_relaxed_input_section_by_input_section_map.
5424         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
5425         input section.
5426
5427 2009-12-15  Ian Lance Taylor  <iant@google.com>
5428
5429         * layout.cc (Layout::create_shstrtab): Only write out after input
5430         sections if we are compressing debug sections.
5431
5432 2009-12-15  Ian Lance Taylor  <iant@google.com>
5433
5434         * archive.cc (Archive::add_symbols): Only look up a symbol without
5435         a version if there is, in fact, a version.
5436
5437 2009-12-14  Ian Lance Taylor  <iant@google.com>
5438
5439         Revert -Wshadow changes, all changes from:
5440         2009-12-11  Doug Kwan  <dougkwan@google.com>
5441         2009-12-11  Nick Clifton  <nickc@redhat.com>
5442         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
5443
5444 2009-12-11  Doug Kwan  <dougkwan@google.com>
5445
5446         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
5447         due to -Wshadow.
5448         * attributes.cc (Object_attribute::size): Ditto.
5449         (Attributes_section_data::size): Ditto.
5450         (Attributes_section_data::Attributes_section_data): Ditto.
5451         (Output_attributes_section_data::do_write): Ditto.
5452         * attributes.h (Object_attribute::set_type): Ditto.
5453         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
5454
5455 2009-12-11  Nick Clifton  <nickc@redhat.com>
5456
5457         * archive.cc: Fix shadowed variable warnings.
5458         * arm.cc: Likewise.
5459         * compressed_output.cc: Likewise.
5460         * compressed_output.h: Likewise.
5461         * configure: Likewise.
5462         * dwarf_reader.cc: Likewise.
5463         * dynobj.cc: Likewise.
5464         * dynobj.h: Likewise.
5465         * ehframe.cc: Likewise.
5466         * ehframe.h: Likewise.
5467         * errors.cc: Likewise.
5468         * expression.cc: Likewise.
5469         * fileread.cc: Likewise.
5470         * fileread.h: Likewise.
5471         * freebsd.h: Likewise.
5472         * i386.cc: Likewise.
5473         * icf.cc: Likewise.
5474         * incremental.h: Likewise.
5475         * layout.cc: Likewise.
5476         * layout.h: Likewise.
5477         * mapfile.cc: Likewise.
5478         * merge.cc: Likewise.
5479         * merge.h: Likewise.
5480         * object.cc: Likewise.
5481         * object.h: Likewise.
5482         * options.h: Likewise.
5483         * output.cc: Likewise.
5484         * output.h: Likewise.
5485         * parameters.cc: Likewise.
5486         * plugin.cc: Likewise.
5487         * powerpc.cc: Likewise.
5488         * reduced_debug_output.cc: Likewise.
5489         * reduced_debug_output.h: Likewise.
5490         * reloc.cc: Likewise.
5491         * reloc.h: Likewise.
5492         * resolve.cc: Likewise.
5493         * script-sections.cc: Likewise.
5494         * script.cc: Likewise.
5495         * script.h: Likewise.
5496         * sparc.cc: Likewise.
5497         * symtab.cc: Likewise.
5498         * symtab.h: Likewise.
5499         * target-select.cc: Likewise.
5500         * target-select.h: Likewise.
5501         * token.h: Likewise.
5502         * workqueue.cc: Likewise.
5503         * workqueue.h: Likewise.
5504         * x86_64.cc: Likewise.
5505
5506 2009-12-10  Doug Kwan  <dougkwan@google.com>
5507
5508         * arm.cc (attributes.h): New include.
5509         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5510         (Arm_relobj::~Arm_relobj): Delete object pointed by
5511         attributes_section_data_.
5512         (Arm_relobj::attributes_section_data): New method definition.
5513         (Arm_relobj::attributes_section_data_): New data member declaration.
5514         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5515         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5516         attributes_section_data_.
5517         (Arm_dynobj::attributes_section_data): New method definition.
5518         (Arm_dynobj::attributes_section_data_): New data member declaration.
5519         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5520         initialization value of may_use_blx_ to false.
5521         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5522         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5523         object attributes to compute results instead of hard-coding.
5524         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5525         Target_arm::get_secondary_compatible_arch,
5526         Target_arm::set_secondary_compatible_arch
5527         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5528         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5529         New method declarations.
5530         (Target_arm::get_aeabi_object_attribute): New method definition.
5531         (Target_arm::attributes_section_data_): New data member declaration.
5532         (read_arm_attributes_section): New template definition.
5533         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5534         (Arm_dynobj::do_read_symbols): Ditto.
5535         (Target_arm::do_finalize_sections): Merge attributes sections from
5536         input.  Check for BLX use after attributes section merging.
5537         Fix __exidx_start and __exidx_end visibility.  Create an
5538         .ARM.attributes section if necessary.
5539         (Target_arm::get_secondary_compatible_arch,
5540         Target_arm::set_secondary_compatible_arch,
5541         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5542         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5543         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5544         New method definitions.
5545
5546 2009-12-09  Ian Lance Taylor  <iant@google.com>
5547
5548         * plugin.cc (Plugin::load): Don't cast from void* to a function
5549         pointer.
5550
5551 2009-12-09  Ian Lance Taylor  <iant@google.com>
5552
5553         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5554         information fields.
5555
5556 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5557
5558         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5559         Replace two_file_shared_1.so with two_file_shared_2.so.
5560         * testsuite/Makefile.in: Regenerated.
5561
5562 2009-12-08  Doug Kwan  <dougkwan@google.com>
5563
5564         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5565         (HFILES): Add attributes.h and int_encoding.h.
5566         * Makefile.in: Regenerate.
5567         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5568         function definitions to int_encoding.cc
5569         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5570         prototypes to int_encoding.h
5571         * reduced_debug_output.cc (int_encoding.h): New include.
5572         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5573         function definitions to int_encoding.cc
5574         (insert_into_vector, read_from_pointer): Move template definitions to
5575         int_encoding.h
5576         * attributes.cc: New file.
5577         * attributes.h: New file.
5578         * int_encoding.cc: New file.
5579         * int_encoding.h: New file.
5580
5581 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5582
5583         PR gold/11055
5584         * incremental-dump.cc (dump_incremental_inputs): New.
5585         (main): Use dump_incremental_inputs.
5586
5587 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5588
5589         PR gold/10893
5590         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5591         checking elfcpp::STT_FUNC.
5592         (Target_i386::Relocate::relocate): Likewise.
5593         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5594
5595         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5596         symbols from shared libraries into normal FUNC symbols.
5597
5598         * symtab.h (Symbol): Add is_func and use it.
5599
5600 2009-12-05  Doug Kwan  <dougkwan@google.com>
5601
5602         * arm.cc (Target_arm::arm_info): Initialize new fields
5603         attributes_section and attributes_vendor.
5604         * i386.cc (Target_i386::i386_info): Same.
5605         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5606         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5607         fields attributes_section and attributes_vendor.
5608         * sparc.cc (Target_sparc::sparc_info): Same.
5609         * target.h (Target::attributes_section, Target::attributes_vendor,
5610         Target::is_attributes_section, Target::attribute_arg_type,
5611         Target::attributes_order): New method definitions.
5612         (Target::Target_info::attributes_section,
5613         Target::Target_info::attributes_vendor): New fields.
5614         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5615         virtual method definitions.
5616         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5617         attributes_section and attributes_vendor.
5618         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5619
5620 2009-12-05  Doug Kwan  <dougkwan@google.com>
5621
5622         * arm.cc: Update comments about interworking and stub generation.
5623         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5624         considered as non-PIC.
5625         (Arm_relocate_functions::base_abs): Fix formatting.
5626         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5627         of function to use GOT entry address instead of offset.
5628         (Target_arm::Scan::global): Issue an error if a symbol would need a
5629         PLT does not get one because it is untyped.  Remove code to create
5630         dynamic symbols for relative branches.
5631         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5632         takes unsigned integer instead of boolean.
5633
5634 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5635
5636         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5637         (two_file_test_LDADD): Likewise.
5638         (common_test_1_LDADD): Likewise.
5639         (exception_test_LDADD) Likewise.
5640         (weak_test_LDADD): Likewise.
5641         (many_sections_test_LDADD): Likewise.
5642         (initpri1_LDADD): Likewise.
5643         (script_test_1_LDADD): Likewise.
5644         (script_test_2_LDADD): Likewise.
5645         (justsyms_LDADD): Likewise.
5646         (binary_test_LDADD): Likewise.
5647         (large_LDADD): Likewise.
5648         * testsuite/Makefile.in: Regenerated.
5649
5650 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5651
5652         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5653         (Symbol_table::override_with_special): Likewise.
5654         (Symbol_table::add_from_object): Likewise.
5655
5656 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5657
5658         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5659         Don't set the data_offset twice.
5660
5661 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5662
5663         * testsuite/Makefile.in: Regenerate.
5664
5665 2009-12-03  Doug Kwan  <dougkwan@google.com>
5666
5667         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5668         (Target_arm::do_finalize_sections): Add parameter for symbol table
5669         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5670         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5671         parameter for symbol table pointer.
5672         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5673         an additional parameter for a pointer to symbol table.
5674         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5675         parameter for a symbol table pointer.
5676         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5677         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5678         Ditto.
5679         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5680         parameter for a symbol table pointer.
5681
5682 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5683
5684         * incremental.cc (Incremental_inputs_header)
5685         (Incremental_inputs_header_write, Incremental_inputs_entry)
5686         (Incremental_inputs_entry_write): Move ...
5687         * incremental.h (Incremental_inputs_header)
5688         (Incremental_inputs_header_write, Incremental_inputs_entry)
5689         (Incremental_inputs_entry_write): here.
5690
5691 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5692
5693         * incremental.cc (make_sized_incremental_binary): Set the target.
5694         Error if it is incompatible.
5695         * output.h (Output_file): Add filename method.
5696
5697 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5698
5699         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5700         from the get_* methods.
5701
5702 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5703
5704         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5705         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5706         Write 0 for the data_offset of scripts.
5707
5708 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5709
5710         * testsuite/Makefile.am: Add the incremental_test.sh test.
5711         * testsuite/incremental_test.sh: New.
5712         * testsuite/incremental_test_1.c: New.
5713         * testsuite/incremental_test_2.c: New.
5714
5715 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5716
5717        * incremental-dump.cc (main): Fix typos.
5718
5719 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5720
5721         PR gold/11025
5722         * incremental-dump.cc (main): Use llu to print 64 bit values.
5723
5724 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5725             H.J. Lu  <hongjiu.lu@intel.com>
5726
5727         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5728         $(LIBDL).
5729         (incremental_dump_LDADD): Likewise.
5730         * Makefile.in: Regenerated.
5731
5732 2009-11-25  Doug Kwan  <dougkwan@google.com>
5733
5734         Revert:
5735
5736         2009-11-25  Doug Kwan  <dougkwan@google.com>
5737
5738                 * arm.cc (Target_arm::Target_arm): Move method definition
5739                 outside of class definition.  Add code to handle
5740                 --target1-rel, --target1-abs and --target2= options.
5741                 (Target_arm::get_reloc_reloc_type): Change method to be
5742                 non-static and const.
5743                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5744                 New data member declaration.
5745                 (Target_arm::Scan::local, Target_arm::Scan::global,
5746                 Target_arm::Relocate::relocate,
5747                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5748                 Adjust call to Target_arm::get_real_reloc_type.
5749                 (Target_arm::get_real_reloc_type): Use command line options
5750                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5751                 * options.h (--target1-rel, --target1-abs, --target2): New
5752                 ARM-only options.
5753
5754 2009-11-25  Doug Kwan  <dougkwan@google.com>
5755
5756         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5757         class definition.  Add code to handle --target1-rel, --target1-abs
5758         and --target2= options.
5759         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5760         and const.
5761         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5762         member declaration.
5763         (Target_arm::Scan::local, Target_arm::Scan::global,
5764         Target_arm::Relocate::relocate,
5765         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5766         call to Target_arm::get_real_reloc_type.
5767         (Target_arm::get_real_reloc_type): Use command line options to
5768         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5769         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5770         options.
5771
5772 2009-11-25  Doug Kwan  <dougkwan@google.com>
5773
5774         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5775         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5776         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5777         formatting.
5778         (Arm_relocate_functions::thm_call): Replace body with a call to
5779         Arm_relocate_functions::thumb_branch_common.
5780         (Arm_relocate_functions::thm_jump24,
5781         Arm_relocate_functions::thm_xpc22): New method definitions.
5782         (Arm_relocate_functions::thumb_branch_common): New method definition.
5783         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5784         operator.
5785         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5786         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5787
5788 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5789
5790         * Makefile.am: Build incremental-dump
5791         * Makefile.in: Regenerate.
5792         * incremental-dump.cc: New.
5793         * incremental.cc (Incremental_inputs_header_data,
5794         Incremental_inputs_entry_data): Move to incremental.h
5795         * incremental.h: (Incremental_inputs_header_data,
5796         Incremental_inputs_entry_data): Move from incremental.cc
5797
5798 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5799
5800         * incremental.cc (Incremental_inputs_header,
5801         Incremental_inputs_header_write, Incremental_inputs_entry,
5802         Incremental_inputs_entry_write): Add a typedef with the data type.
5803
5804 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5805
5806         * incremental.cc (Incremental_inputs_header,
5807         Incremental_inputs_header_write, Incremental_inputs_entry,
5808         Incremental_inputs_entry_write): Update comment about which
5809         type has the filed descriptions.
5810
5811 2009-11-15  Doug Kwan  <dougkwan@google.com>
5812
5813         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5814         (Arm_relocate_functions::arm_branch_common): Change method defintion
5815         in class definition to a method declaration and update list of formal
5816         parameters.
5817         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
5818         Arm_relocation_functions::jump24): Adjust call to
5819         Arm_relocate_functions::arm_branch_common.  Update list of formal
5820         parameters.
5821         (Arm_relocate_functions::xpc25): New method definition.
5822         (Arm_relocate_functions::arm_branch_common): Move method defintion
5823         out from class definition.  Use stubs for mode-switching and extending
5824         branch ranges.
5825         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
5826         specially.  Change code to enable use of stubs in ARM branches.
5827
5828 2009-11-10  Doug Kwan  <dougkwan@google.com>
5829
5830         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5831         in method declaration.
5832         (Target_arm::relocate_stub): New method declaration.
5833         (Target_arm::default_target): Change to return a pointer instead of
5834         a const reference.
5835         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
5836         Target_arm::default_target.
5837         (Arm_Relobj::do_relocate_sections): Remove options paramater in
5838         method definition.
5839         (Target_arm::relocate_section): Adjust view.
5840         (Target_arm::relocate_stub): New method definition.
5841
5842 2009-11-10  Doug Kwan  <dougkwan@google.com>
5843
5844         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
5845         a format warning.
5846         * incremental.cc (open_incremental_binary): Initialized local
5847         variables to avoid warnings.
5848         * object.cc (make_elf_object): Ditto.
5849         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
5850         a format warning.
5851
5852 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
5853
5854         PR gold/10930
5855         * testsuite/plugin_test.c: Include "config.h".
5856
5857 2009-11-09  Doug Kwan  <dougkwan@google.com>
5858
5859         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
5860         (arm_symbol_value): Remove.
5861         (Arm_relocate_functions::arm_branch_common,
5862         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
5863         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
5864         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
5865         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
5866         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
5867         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
5868         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
5869         Arm_relocate_functions::thm_mobw_abs_nc,
5870         Arm_relocate_functions::thm_mov_abs,
5871         Arm_relocate_functions::movw_prel_nc,
5872         Arm_relocate_functions::thm_movt_abs,
5873         Arm_relocate_functions::movt_prel,
5874         Arm_relocate_functions::thm_movw_prel_nc,
5875         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
5876         (Target_arm::Relocate::relocate): Only decompose address into two
5877         parts if relocation type uses the thumb-bit and pass the actual
5878         bit instead of a flag indicating that the thumb-bit is used.  Adjust
5879         calls to methods in Arm_relocate_functions for this change.
5880
5881 2009-11-08  Ian Lance Taylor  <iant@google.com>
5882
5883         PR 10925
5884         * reloc.cc: Instantiate
5885         Sized_relobj::initialize_input_to_output_maps and
5886         Sized_relobj:free_input_to_output_maps.
5887
5888 2009-11-06  Ian Lance Taylor  <iant@google.com>
5889
5890         PR 10876
5891         * defstd.cc (in_segment): Set only_if_ref true for "end".
5892
5893 2009-11-06  Doug Kwan  <dougkwan@google.com>
5894
5895         * arm.cc (class Reloc_stub): Correct a comment.
5896         (Target_arm::Target_arm): Initialize arm_input_section_map_.
5897         (Target_arm::scan_section_for_stubs): New method declaration.
5898         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
5899         Change methods from private to protected.
5900         (Target_arm::do_may_relax): New method definition.
5901         (Target_arm::do_relax, Target_arm::group_sections,
5902         Target_arm::scan_reloc_for_stub,
5903         Target_arm::scan_reloc_section_for_stubs): New method declarations.
5904         (Target_arm::arm_input_section_map_): New data member declaration.
5905         (Target_arm::scan_reloc_for_stub,
5906         Target_arm::scan_reloc_section_for_stubs,
5907         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
5908         Target_arm::do_relax): New method definitions.
5909
5910 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
5911
5912         * configure.ac: Check for (struct stat)::st_mtim
5913         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
5914         * config.in: Regenerate.
5915         * configure: Regenerate.
5916
5917 2009-11-05  Ian Lance Taylor  <iant@google.com>
5918
5919         PR 10910
5920         * output.cc (Output_segment::add_output_section): Add missing
5921         return statement.
5922
5923 2009-11-04  Ian Lance Taylor  <iant@google.com>
5924
5925         PR 10880
5926         * object.h (class Object): Add is_needed and set_is_needed
5927         methods.  Add is_needed_ field.  Make bool fields into bitfields.
5928         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
5929         defined in a dynamic object and referenced by a regular object,
5930         set is_needed for the dynamic object.
5931         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
5932         if the file is marked with as_needed and it is not needed.
5933
5934 2009-11-04  Ian Lance Taylor  <iant@google.com>
5935
5936         PR 10887
5937         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
5938         tags if data is discarded by linker script.
5939         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5940         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5941         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5942         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5943
5944 2009-11-04  Ian Lance Taylor  <iant@google.com>
5945
5946         * layout.cc (Layout::get_output_section): Add is_interp and
5947         is_dynamic_linker_section parameters.  Change all callers.
5948         (Layout::choose_output_section): Likewise.
5949         (Layout::make_output_section): Likewise.
5950         (Layout::add_output_section_data): Add is_dynamic_linker_section
5951         parameter.  Change all callers.
5952         * layout.h (class Layout): Update declarations.
5953         * output.h (class Output_section): Add is_interp, set_is_interp,
5954         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
5955         Add is_interp_, is_dynamic_linker_section_ fields.  Change
5956         generate_code_fills_at_write_ to a bitfield.
5957         * output.cc (Output_section::Output_sections): Initialize new
5958         fields.
5959         (Output_segment::add_output_section): Add do_sort parameter.
5960         Change all callers.
5961
5962 2009-11-03  Ian Lance Taylor  <iant@google.com>
5963
5964         PR 10860
5965         * options.h (class General_options): Add --warn-common.
5966         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
5967         merging two common symbols.
5968         (Symbol_table::should_override): Handle --warn-common when merging
5969         a common symbol with a defined symbol.  Use report_resolve_problem
5970         for multiple definitions.
5971         (Symbol_table::report_resolve_problem): New function.
5972         * symtab.h (class Symbol_table): Declare report_resolve_problem.
5973
5974 2009-11-03  Doug Kwan  <dougkwan@google.com>
5975
5976         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
5977         stub_factory_.
5978         (Target_arm::stub_factory): New method definition.
5979         (Target_arm::new_arm_input_section,
5980         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
5981         Target_arm::reloc_uses_thumb_bit): New method declarations.
5982         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
5983         New type definitions.
5984         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
5985         member declarations.
5986         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
5987         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
5988         New method definitions.
5989
5990 2009-11-03  Ian Lance Taylor  <iant@google.com>
5991
5992         * options.h (class General_options): Add --warn_constructors.
5993
5994 2009-11-03  Ian Lance Taylor  <iant@google.com>
5995
5996         PR 10893
5997         * defstd.cc (in_section): Add entries for __rel_iplt_start,
5998         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
5999
6000 2009-11-03  Ian Lance Taylor  <iant@google.com>
6001
6002         PR 10895
6003         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6004         --msgid-bugs-address.
6005         (install-pdf): New target.
6006         (install-data_yes): Look up one directory to find mkinstalldirs.
6007
6008 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6009
6010         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6011         tree.
6012
6013 2009-10-30  Doug Kwan  <dougkwan@google.com>
6014
6015         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6016
6017 2009-10-30  Doug Kwan  <dougkwan@google.com>
6018
6019         * arm.cc (Stub_addend_reader): New struct template definition
6020         and partial specializations.
6021         (Stub_addend_reader::operator()): New method definition for a
6022         partially specialized template.
6023
6024 2009-10-30  Doug Kwan  <dougkwan@google.com>
6025
6026         * arm.cc (Arm_relobj::processor_specific_flags): New method
6027         definition.
6028         (Arm_relobj::do_read_symbols): New method declaration.
6029         (Arm_relobj::processor_specific_flags_): New data member declaration.
6030         (Arm_dynobj): New class definition.
6031         (Target_arm::do_finalize_sections): Add input_objects parameter.
6032         (Target_arm::do_adjust_elf_header): New method declaration.
6033         (Target_arm::are_eabi_versions_compatible,
6034         (Target_arm::merge_processor_specific_flags): New method declaration.
6035         (Target_arm::do_make_elf_object): New overloaded method definitions
6036         and declaration.
6037         (Arm_relobj::do_read_symbols): New method definition.
6038         (Arm_dynobj::do_read_symbols): Ditto.
6039         (Target_arm::do_finalize_sections): Add input_objects parameters.
6040         Merge processor-specific flags from all input objects.
6041         (Target_arm::are_eabi_versions_compatible,
6042         Target_arm::merge_processor_specific_flags,
6043         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6044         New method definitions.
6045         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6046         Input_objects pointer type parameter.
6047         * layout.cc (Layout::finalize): Pass input objects to target's.
6048         finalize_sections function.
6049         * output.cc (Output_file_header::do_sized_write): Set ELF file
6050         header's processor-specific flags.
6051         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6052         Input_objects pointer type parameter.
6053         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6054         * target.h (Input_objects): New forward class declaration.
6055         (Target::processor_specific_flags,
6056         Target::are_processor_specific_flags_sect): New method definitions.
6057         (Target::finalize_sections): Add input_objects parameter.
6058         (Target::Target): Initialize processor_specific_flags_ and
6059         are_processor_specific_flags_set_.
6060         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6061         parameter.
6062         (Target::set_processor_specific_flags): New method definition.
6063         (Target::processor_specific_flags_,
6064         Target::are_processor_specific_flags_set_): New data member
6065         declarations.
6066         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6067         Input_objects pointer type parameter.
6068
6069 2009-10-30  Doug Kwan  <dougkwan@google.com>
6070
6071         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6072
6073 2009-10-28  Ian Lance Taylor  <iant@google.com>
6074
6075         * object.h (class Relobj): Drop options parameter from
6076         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6077         do_scan_relocs, do_relocate.  Change all callers.
6078         (class Sized_relobj): Drop options parameters from
6079         do_gc_process_relocs, do_scan_relocs, do_relocate,
6080         do_relocate_sections, relocate_sections, emit_relocs_scan,
6081         emit_relocs_scan_reltype.  Change all callers.
6082         (struct Relocate_info): Remove options field and all references to
6083         it.
6084         * reloc.h (class Read_relocs): Remove options constructor
6085         parameter and options_ field.  Change all callers.
6086         (class Gc_process_relocs, class Scan_relocs): Likewise.
6087         (class Relocate_task): Likewise.
6088         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6089         all callers.
6090         (scan_relocatable_relocs): Likewise.
6091         * target.h (class Sized_target): Remove options parameter from
6092         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6093         all callers.
6094         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6095         callers.
6096         * arm.cc: Update functions to remove options parameters.
6097         * i386.cc: Likewise.
6098         * powerpc.cc: Likewise.
6099         * sparc.cc: Likewise.
6100         * x86_64.cc: Likewise.
6101         * testsuite/testfile.cc: Likewise.
6102
6103 2009-10-28  Doug Kwan  <dougkwan@google.com>
6104
6105         * arm.cc (Arm_relobj): New class definition.
6106         (Arm_relobj::scan_sections_for_stubs,
6107         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6108         New method definitions.
6109
6110 2009-10-28  Cary Coutant  <ccoutant@google.com>
6111
6112         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6113         (Plugin::cleanup_done_): New member.
6114         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6115         (Plugin_manager::cleanup_done_): Remove.
6116         (Plugin_manager::add_input_file): Edit error message.
6117         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6118         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6119
6120 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6121
6122         * fileread.cc: (File_read::View::~View): Use the new
6123         data_ownership_ filed.
6124         (File_read::~File_read): Dispose the new whole_file_view_.
6125         (File_read::open): Mmap the whole file if needed.
6126         (File_read::open): Use whole_file_view_ instead of contents_.
6127         (File_read::find_view): Use whole_file_view_ if applicable.
6128         (File_read::do_read): Use whole_file_view_ instead of contents_.
6129         (File_read::make_view): Use whole_file_view_ instead of contents_,
6130         update File_read::View::View call.
6131         (File_read::find_or_make_view): Update File_read::View::View
6132         call.
6133         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6134         remove contents_
6135         (File_read::View::Data_ownership): New enum.
6136         (File_read::View::View): Replace bool mapped_ with Data_ownership
6137         argument.
6138         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6139         (File_read::View::data_ownership_): New field.
6140         (File_read::contents_): Remove (replaced by whole_file_view_).
6141         (File_read::whole_file_view_): New field.
6142         * options.h (class General_options): Add --keep-files-mapped.
6143
6144 2009-10-27  Cary Coutant  <ccoutant@google.com>
6145
6146         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6147         * testsuite/Makefile.am (plugin_test_5): New test case.
6148         * testsuite/Makefile.in: Regenerate.
6149
6150 2009-10-25  Doug Kwan  <dougkwan@google.com>
6151
6152         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6153         from private to protected to allow access by child class.
6154         (Sized_relobj::do_relocate_sections): New method declaration.
6155         (Sized_relobj::relocate_sections): Virtualize.
6156         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6157         Sized_relobj::relocate_sections.  Instantiate template explicitly
6158         for different target sizes and endianity.
6159
6160 2009-10-24  Doug Kwan  <dougkwan@google.com>
6161
6162         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6163         (Arm_input_section::as_arm_input_section): New method.
6164         (Arm_output_section): New class definition.
6165         (Arm_output_section::create_stub_group,
6166         Arm_output_section::group_sections): New method definitions.
6167
6168 2009-10-22  Doug Kwan  <dougkwan@google.com>
6169
6170         * arm.cc (Arm_input_section): New class definition.
6171         (Arm_input_section::init, Arm_input_section:do_write,
6172         Arm_input_section::set_final_data_size,
6173         Arm_input_section::do_reset_address_and_file_offset): New method
6174         definitions.
6175
6176 2009-10-21  Doug Kwan  <dougkwan@google.com>
6177
6178         * arm.cc (Stub_table, Arm_input_section): New forward class
6179         declarations.
6180         (Stub_table): New class defintion.
6181         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6182         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6183         New method definition.
6184
6185 2009-10-21  Doug Kwan  <dougkwan@google.com>
6186
6187         * arm.cc: Update copyright comments.
6188         (Target_arm): New forward class template declaration.
6189         (Arm_address): New type.
6190         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6191         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6192         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6193         constants.
6194         (Insn_template): Same.
6195         (DEF_STUBS): New macro.
6196         (Stub_type): New enum type.
6197         (Stub_template): New class definition.
6198         (Stub): Same.
6199         (Reloc_stub): Same.
6200         (Stub_factory): Same.
6201         (Target_arm::Target_arm): Initialize may_use_blx_ and
6202         should_force_pic_veneer_.
6203         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6204         Target_arm::should_force_pic_veneer,
6205         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6206         Target_arm::using_thumb_only, Target_arm:;default_target): New
6207         method defintions.
6208         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6209         New data member declarations.
6210         (Insn_template::size, Insn_template::alignment): New method defintions.
6211         (Stub_template::Stub_template): New method definition.
6212         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6213         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6214         (Stub_factory::Stub_factory): New method definition.
6215         * gold.h (string_hash): New template.
6216         * output.h (Input_section_specifier::hash_value): Use
6217         gold::string_hash.
6218         (Input_section_specifier::string_hash): Remove.
6219         * stringpool.cc (Stringpool_template::string_hash): Use
6220         gold::string_hash.
6221
6222 2009-10-20  Doug Kwan  <dougkwan@google.com>
6223
6224         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6225         symbols of relaxed input sections.
6226         * output.h (Output_section::find_relaxed_input_section): Make
6227         method public.
6228
6229 2009-10-16  Doug Kwan  <dougkwan@google.com>
6230
6231         * dynobj.cc (Versions::Versions): Initialize version_script_.
6232         Only insert base version symbol definition for a shared object
6233         if version script defines any version versions.
6234         (Versions::define_base_version): New method definition.
6235         (Versions::add_def): Check that base version is not needed.
6236         (Versions::add_need): Define base version lazily.
6237         * dynobj.h (Versions::define_base_version): New method declaration.
6238         (Versions::needs_base_version_): New data member declaration.
6239         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6240         (check_DATA): Add no_version_test.stdout.
6241         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6242         New make rules.
6243         * testsuite/Makefile.in: Regenerate.
6244         * testsuite/no_version_test.c: New file.
6245         * testsuite/no_version_test.sh: Ditto.
6246
6247 2009-10-16  Doug Kwan  <dougkwan@google.com>
6248
6249         * expression.cc (class Segment_start_expression): New class definition.
6250         (Segment_start_expression::value): New method definition.
6251         (script_exp_function_segment_start): Return a new
6252         Segment_start_expression.
6253         * gold/script-c.h (script_saw_segment_start_expression): New function
6254         prototype.
6255         * script-sections.cc (Script_sections::Script_sections): Initialize
6256         SAW_SEGMENT_START_EXPRESSION_ to false.
6257         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6258         and -Tbbs options to specify section addresses if given in
6259         command line and no SEGMENT_START expression is seen in a script.
6260         * script-sections.h (Script_sections::saw_segment_start_expression,
6261         Script_sections::set_saw_segment_start_expression): New method
6262         definition.
6263         (Script_sections::saw_segment_start_expression_): New data member
6264         declaration.
6265         * script.cc (script_saw_segment_start_expression): New function.
6266         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6267         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6268         script_test_7.sh and script_test_8.sh.
6269         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6270         script_test_8.stdout.
6271         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6272         (script_test_6, script_test_6.stdout, script_test_7,
6273         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6274         * Makefile.in: Regenerate.
6275         * testsuite/script_test_6.sh: New file.
6276         * testsuite/script_test_6.t: Same.
6277         * testsuite/script_test_7.sh: Same.
6278         * testsuite/script_test_7.t: Same.
6279         * testsuite/script_test_8.sh: Same.
6280
6281 2009-10-16  Doug Kwan  <dougkwan@google.com>
6282
6283         * output.cc (Output_segment::set_section_list_address): Cast
6284         expressions to unsigned long long type to avoid format warnings.
6285
6286 2009-10-15  Ian Lance Taylor  <iant@google.com>
6287
6288         * script.cc (Script_options::add_symbol_assignment): Always add a
6289         dot assignment to script_sections_.
6290         * script-sections.cc (Script_sections::add_dot_assignment):
6291         Initialize if necessary.
6292
6293         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6294         program headers with no load segment if there is a linker script.
6295
6296         * layout.cc (Layout::set_segment_offsets): Align the file offset
6297         to the segment aligment for -N or -n with no load segment.
6298         * output.cc (Output_segment::add_output_section): Don't crash if
6299         the first section is a TLS section.
6300         (Output_segment::set_section_list_addresses): Print an error
6301         message if the address moves backward in a linker script.
6302         * script-sections.cc
6303         (Output_section_element_input::set_section_addresses): Don't
6304         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6305         (Orphan_output_section::set_section_addresses): Likewise.
6306
6307 2009-10-15  Doug Kwan  <dougkwan@google.com>
6308
6309         * layout.cc (Layout::finish_dynamic_section): Generate tags
6310         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6311         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6312         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6313
6314 2009-10-14  Ian Lance Taylor  <iant@google.com>
6315
6316         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6317         fields.
6318         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6319         data_shdr fields of relinfo.
6320         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6321         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6322         R_386_TLS_LDO_32, adjust based on section flags.
6323         (Target_i386::Relocate::fix_up_ldo): Remove.
6324
6325 2009-10-13  Ian Lance Taylor  <iant@google.com>
6326
6327         Add support for -pie.
6328         * options.h (class General_options): Add -pie and
6329         --pic-executable.
6330         (General_options::output_is_position_independent): Test -pie.
6331         (General_options::output_is_executable): Return true if not shared
6332         and not relocatable.
6333         (General_options::output_is_pie): Remove.
6334         * options.cc (General_options::finalize): Reject incompatible uses
6335         of -pie.
6336         * gold.cc (queue_middle_tasks): A -pie link is not static.
6337         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6338         * symtab.cc (Symbol::final_value_is_known): Return false if
6339         output_is_position_independent.
6340         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6341         output_is_position_independent.
6342         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6343         output_is_position_independent.
6344         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6345         output_is_position_independent.
6346         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6347         two_file_pie_test.
6348         (basic_pie_test.o, basic_pie_test): New targets.
6349         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
6350         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
6351         (two_file_pie_test): New target.
6352         * testsuite/Makefile.in: Rebuild.
6353         * README: Remove note saying that -pie is not supported.
6354
6355 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6356
6357         * options.h (class General_options): Add -init and -fini.
6358         * layout.cc (Layout::finish_dynamic_section): Emit
6359         given init and fini functions.
6360
6361 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
6362
6363         * gc.h (gc_process_relocs): Check if icf is enabled using new
6364         function.
6365         * gold.cc (queue_initial_tasks): Likewise.
6366         (queue_middle_tasks): Likewise.
6367         * object.cc (do_layout): Likewise.
6368         * symtab.cc (is_section_folded): Likewise.
6369         * main.cc (main): Likewise.
6370         * reloc.cc (Read_relocs::run): Likewise.
6371         (Sized_relobj::do_scan_relocs): Likewise.
6372         * icf.cc (is_function_ctor_or_dtor): New function.
6373         (Icf::find_identical_sections): Check if function is ctor or dtor when
6374         safe icf is chosen.
6375         * options.h (General_options::icf): Change option to be an enum.
6376         (Icf_status): New enum.
6377         (icf_enabled): New method.
6378         (icf_safe_folding): New method.
6379         (set_icf_status): New method.
6380         (icf_status_): New variable.
6381         * (options.cc) (General_options::finalize): Set icf_status_.
6382         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
6383         icf_test and icf_keep_unique_test to use the --icf enum flag.
6384         * testsuite/icf_safe_test.sh: New file.
6385         * testsuite/icf_safe_test.cc: New file.
6386
6387 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
6388
6389         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
6390         includes to gc.h and icf.h.
6391         * arm.cc: Include gc.h.
6392         * gold.cc: Likewise.
6393         * i386.cc: Likewise.
6394         * powerpc.cc: Likewise.
6395         * sparc.cc: Likewise.
6396         * x86_64.cc: Likewise.
6397         * gc.h: Include icf.h.
6398
6399 2009-10-11  Ian Lance Taylor  <iant@google.com>
6400
6401         * plugin.cc: Include "gold.h" before other header files.
6402
6403 2009-10-10  Chris Demetriou  <cgd@google.com>
6404
6405         * options.h (Input_file_argument::Input_file_type): New enum.
6406         (Input_file_argument::is_lib_): Replace with...
6407         (Input_file_argument::type_): New member.
6408         (Input_file_argument::Input_file_argument): Take Input_file_type
6409         'type' rather than boolean 'is_lib' as second argument.
6410         (Input_file_argument::is_lib): Use type_.
6411         (Input_file_argument::is_searched_file): New function.
6412         (Input_file_argument::may_need_search): Handle is_searched_file.
6413         * options.cc (General_options::parse_library): Support -l:filename.
6414         (General_options::parse_just_symbols): Update for Input_file_argument
6415         changes.
6416         (Command_line::process): Likewise.
6417         * archive.cc (Archive::get_file_and_offset): Likewise.
6418         * plugin.cc (Plugin_manager::release_input_file): Likewise.
6419         * script.cc (read_script_file, script_add_file): Likewise.
6420         * fileread.cc (Input_file::Input_file): Likewise.
6421         (Input_file::will_search_for): Handle is_searched_file.
6422         (Input_file::open): Likewise.
6423         * readsyms.cc (Read_symbols::get_name): Likewise.
6424         * testsuite/Makefile.am (searched_file_test): New test.
6425         * testsuite/Makefile.in: Regenerate.
6426         * testsuite/searched_file_test.cc: New file.
6427         * testsuite/searched_file_test_lib.cc: New file.
6428
6429 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6430             Ian Lance Taylor  <iant@google.com>
6431
6432         * descriptor.cc: Include <cstdio> and "binary-io.h".
6433         (Descriptors::open): Open the files in binary mode always.
6434         * script.cc (Lex::get_token): Treat \r as whitespace.
6435
6436 2009-10-09  Ian Lance Taylor  <iant@google.com>
6437
6438         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
6439
6440 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6441             Ian Lance Taylor  <iant@google.com>
6442
6443         * configure.ac: Check for readv function also.
6444         * fileread.cc (readv): Define if not HAVE_READV.
6445         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
6446         does not exist.
6447         * config.in: Regenerate.
6448         * configure: Regenerate.
6449
6450 2009-10-09  Doug Kwan  <dougkwan@google.com>
6451
6452         * layout.cc (Layout::make_output_section): Call target hook to make
6453         ordinary output section.
6454         (Layout::finalize): Adjust parameter list of call the
6455         Target::may_relax().
6456         * layout.h (class Layout::section_list): New method.
6457         * merge.h (Output_merge_base::entsize): Change visibility to public.
6458         (Output_merge_base::is_string, Output_merge_base::do_is_string):
6459         New methods.
6460         (Output_merge_string::do_is_string): New method.
6461         * object.cc (Sized_relobj::do_setup): renamed from
6462         Sized_relobj::set_up.
6463         * object.h (Sized_relobj::adjust_shndx,
6464         Sized_relobj::initializ_input_to_output_maps,
6465         Sized_relobj::free_input_to_output_maps): Change visibilities to
6466         protected.
6467         (Sized_relobj::setup): Virtualize.
6468         (Sized_relobj::do_setup): New method declaration.
6469         (Sized_relobj::invalidate_section_offset,
6470         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
6471         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
6472         * options.cc (parse_int): New function.
6473         * options.h (parse_int): New declaration.
6474         (DEFINE_int): New macro.
6475         (stub_group_size): New option.
6476         * output.cc (Output_section::Output_section): Initialize memebers
6477         merge_section_map_, merge_section_by_properties_map_,
6478         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
6479         (Output_section::add_input_section): Handled deferred code-fill
6480         generation and remove an old comment.
6481         (Output_section::add_relaxed_input_section): New method definition.
6482         (Output_section::add_merge_input_section): Use merge section by
6483         properties map to speed to search.  Update merge section maps
6484         as appropriate.
6485         (Output_section::build_relaxation_map): New method definition.
6486         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6487         Same.
6488         (Output_section::relax_input_section): Renamed to
6489         Output_section::convert_input_sections_to_relaxed_sections and change
6490         interface to take a vector of pointers to relaxed sections.
6491         (Output_section::find_merge_section,
6492         Output_section::find_relaxed_input_section): New method definitions.
6493         (Output_section::is_input_address_mapped,
6494         Output_section::output_offset, Output_section::output_address):
6495         Use output section data maps to speed up searching.
6496         (Output_section::find_starting_output_address): Add comments.
6497         (Output_section::do_write,
6498         Output_section::write_to_postprocessing_buffer): Do code-fill
6499         generation as appropriate.
6500         (Output_section::get_input_sections): Invalidate relaxed input section
6501         map.
6502         (Output_section::restore_states): Adjust type of checkpoint .
6503         Invalidate relaxed input section map.
6504         * output.h (Output_merge_base): New class declaration.
6505         (Input_section_specifier): New class defintion.
6506         (class Output_relaxed_input_section) Change base class to
6507         Output_section_data_build.
6508         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6509         base class initializer.
6510         (Output_section::add_relaxed_input_section): New method declaration.
6511         (Output_section::Input_section): Change visibility to protected.
6512         (Output_section::Input_section::relobj,
6513         Output_section::Input_section::shndx): Handle relaxed input sections.
6514         Output_section::input_sections) Change visibility to protected.  Also
6515         define overload to return a non-const pointer.
6516         (Output_section::Merge_section_properties): New class defintion.
6517         (Output_section::Merge_section_by_properties_map,
6518         Output_section::Output_section_data_by_input_section_map,
6519         Output_section::Relaxation_map): New types.
6520         (Output_section::relax_input_section): Rename method to
6521         Output_section::convert_input_sections_to_relaxed_sections and change
6522         interface to take a vector of relaxed section pointers.
6523         (Output_section::find_merge_section,
6524         Output_section::find_relaxed_input_section,
6525         Output_section::build_relaxation_map,
6526         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6527         New method declarations.
6528         (Output_section::merge_section_map_
6529         Output_section::merge_section_by_properties_map_,
6530         Output_section::relaxed_input_section_map_,
6531         Output_section::is_relaxed_input_section_map_valid_,
6532         Output_section::generate_code_fills_at_write_): New data members.
6533         * script-sections.cc
6534         (Output_section_element_input::set_section_addresses): Call
6535         current_data_size and addralign methods of relaxed input sections.
6536         (Orphan_output_section::set_section_addresses): Call current_data_size
6537         and addralign methods of relaxed input sections.
6538         * symtab.cc (Symbol_table::compute_final_value): Extract template
6539         from the body of Symbol_table::sized_finalize_symbol.
6540         (Symbol_table::sized_finalized_symbol): Call
6541         Symbol_table::compute_final_value.
6542         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6543         (Symbol_table::compute_final_value): New templated method declaration.
6544         * target.cc (Target::do_make_output_section): New method defintion.
6545         * target.h (Target::make_output_section): New method declaration.
6546         (Target::relax): Add more parameters for input objects, symbol table
6547         and layout.  Adjust call to do_relax.
6548         (Target::do_make_output_section): New method declaration.
6549         (Target::do_relax): Add parameters for input objects, symbol table
6550         and layout.
6551
6552 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6553
6554         * pread.c: Include stdio.h.
6555
6556 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6557
6558         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6559         defined.
6560
6561 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6562
6563         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6564         Change read_shndx type to unsigned int.
6565         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6566         int.
6567         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6568         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6569         Change read_shndx type to unsigned int.
6570         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6571         int.
6572         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6573         * layout.cc (Layout::create_symtab_sections): Cast the result of
6574         local_symcount * symsize to off_t in the gold_assert.
6575
6576 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6577
6578         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6579         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6580         R_ARM_BASE_ABS.
6581         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6582         (Arm_relocate_functions::thm_abs5): New function.
6583         (Arm_relocate_functions::abs12): New function.
6584         (Arm_relocate_functions::abs16): New function.
6585         (Arm_relocate_functions::base_abs): New function.
6586         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6587         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6588         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6589         R_ARM_BASE_ABS.
6590         (Scan::global): Likewise.
6591         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6592         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6593         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6594         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6595         R_ARM_BASE_ABS.
6596
6597 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6598
6599         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6600         (Arm_relocate_functions::movt_prel): New function.
6601         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6602         (Arm_relocate_functions::thm_movt_prel): New function.
6603         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6604         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6605         (Scan::global, Relocate::relocate): Likewise.
6606         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6607
6608 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6609
6610         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6611         Incremental_checker.
6612         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6613         unsigned int.
6614         (class Incremental_inputs_header): New class.
6615         (Incremental_inputs_header_writer): Edit comment.
6616         (Incremental_inputs_entry): New class.
6617         (Incremental_inputs_entry_writer): Edit comment.
6618         (Sized_incremental_binary::do_find_incremental_inputs_section):
6619         Add *strtab_shndx parameter, fill it.
6620         (Sized_incremental_binary::do_check_inputs): New method.
6621         (Incremental_checker::can_incrementally_link_output_file): Use
6622         Sized_incremental_binary::check_inputs.
6623         (Incremental_inputs::report_command_line): Save command line in
6624         command_line_.
6625         * incremental.h:
6626         (Incremental_binary::find_incremental_inputs_section): New
6627         method.
6628         (Incremental_binary::do_find_incremental_inputs_section): Add
6629         strtab_shndx parameter.
6630         (Incremental_binary::do_check_inputs): New pure virtual method.
6631         (Sized_incremental_binary::do_check_inputs): Declare.
6632         (Incremental_checker::Incremental_checker): Add incremental_inputs
6633         parameter, use it to initialize incremental_inputs_.
6634         (Incremental_checker::incremental_inputs_): New field.
6635         (Incremental_checker::command_line): New method.
6636         (Incremental_checker::inputs): New method.
6637         (Incremental_checker::command_line_): New field.
6638
6639 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6640
6641         * incremental.cc: Include <cstdarg> and "target-select.h".
6642         (vexplain_no_incremental): New function.
6643         (explain_no_incremental): New function.
6644         (Incremental_binary::error): New method.
6645         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6646         method.
6647         (make_sized_incremental_binary): New function.
6648         (open_incremental_binary): New function.
6649         (can_incrementally_link_file): Add checks if output is ELF and has
6650         inputs section.
6651         * incremental.h: Include "elfcpp_file.h" and "output.h".
6652         (Incremental_binary): New class.
6653         (Sized_incremental_binary): New class.
6654         (open_incremental_binary): Declare.
6655         * object.cc (is_elf_object): Use
6656         elfcpp::Elf_recognizer::is_elf_file.
6657         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6658         * output.h (Output_file::filesize): New method.
6659
6660 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6661
6662         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6663         New function.
6664         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6665         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6666         function.
6667         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6668         function.
6669         (Arm_relocate_functions::movw_abs_nc): New function.
6670         (Arm_relocate_functions::movt_abs): New function.
6671         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6672         (Arm_relocate_functions::thm_movt_abs): New function.
6673         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6674         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6675         (Scan::global): Likewise.
6676         (Relocate::relocate): Likewise.
6677         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6678
6679 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6680
6681         * arm.cc (Arm_relocate_functions::got_prel) New function.
6682         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6683         (Relocate::relocate): Likewise.
6684         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6685
6686 2009-10-06  Ian Lance Taylor  <iant@google.com>
6687
6688         * options.h (class General_options): Define
6689         split_stack_adjust_size parameter.
6690         * object.h (class Object): Add uses_split_stack_ and
6691         has_no_split_stack_ fields.  Add uses_split_stack and
6692         has_no_split_stack accessor functions.  Declare
6693         handle_split_stack_section.
6694         (class Reloc_symbol_changes): Define.
6695         (class Sized_relobj): Define Function_offsets.  Declare
6696         split_stack_adjust, split_stack_adjust_reltype, and
6697         find_functions.
6698         * object.cc (Object::handle_split_stack_section): New function.
6699         (Sized_relobj::do_layout): Call handle_split_stack_section.
6700         * dynobj.cc (Sized_dynobj::do_layout): Call
6701         handle_split_stack_section.
6702         * reloc.cc (Sized_relobj::relocate_sections): Call
6703         split_stack_adjust for executable sections in split_stack
6704         objects.  Pass reloc_map to relocate_section.
6705         (Sized_relobj::split_stack_adjust): New function.
6706         (Sized_relobj::split_stack_adjust_reltype): New function.
6707         (Sized_relobj::find_functions): New function.
6708         * target-reloc.h: Include "object.h".
6709         (relocate_section): Add reloc_symbol_changes parameter.  Change
6710         all callers.
6711         * target.h (class Target): Add calls_non_split method.  Declare
6712         do_calls_non_split virtual method.  Declare match_view and
6713         set_view_to_nop.
6714         * target.cc: Include "elfcpp.h".
6715         (Target::do_calls_non_split): New function.
6716         (Target::match_view): New function.
6717         (Target::set_view_to_nop): New function.
6718         * gold.cc (queue_middle_tasks): Give an error if mixing
6719         split-stack and non-split-stack objects with -r.
6720         * i386.cc (Target_i386::relocate_section): Add
6721         reloc_symbol_changes parameter.
6722         (Target_i386::do_calls_non_split): New function.
6723         * x86_64.cc (Target_x86_64::relocate_section): Add
6724         reloc_symbol_changes parameter.
6725         (Target_x86_64::do_calls_non_split): New function.
6726         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6727         parameter.
6728         * powerpc.cc (Target_powerpc::relocate_section): Add
6729         reloc_symbol_changes parameter.
6730         * sparc.cc (Target_sparc::relocate_section): Add
6731         reloc_symbol_changes parameter.
6732         * configure.ac: Call AM_CONDITIONAL for the default target.
6733         * configure: Rebuild.
6734         * testsuite/Makefile.am (TEST_AS): New variable.
6735         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6736         (check_DATA): Add split_i386 and split_x86_64 files.
6737         (SPLIT_DEFSYMS): Define.
6738         (split_i386_[1234n].o): New targets.
6739         (split_i386_[124]): New targets.
6740         (split_i386_[1234r].stdout): New targets.
6741         (split_x86_64_[1234n].o): New targets.
6742         (split_x86_64_[124]): New targets.
6743         (split_x86_64_[1234r].stdout): New targets.
6744         (MOSTLYCLEANFILES): Add new executables.
6745         * testsuite/split_i386.sh: New file.
6746         * testsuite/split_x86_64.sh: New file.
6747         * testsuite/split_i386_1.s: New file.
6748         * testsuite/split_i386_2.s: New file.
6749         * testsuite/split_i386_3.s: New file.
6750         * testsuite/split_i386_4.s: New file.
6751         * testsuite/split_i386_n.s: New file.
6752         * testsuite/split_x86_64_1.s: New file.
6753         * testsuite/split_x86_64_2.s: New file.
6754         * testsuite/split_x86_64_3.s: New file.
6755         * testsuite/split_x86_64_4.s: New file.
6756         * testsuite/split_x86_64_n.s: New file.
6757         * testsuite/testfile.cc (Target_test): Update relocation_section
6758         function.
6759         * testsuite/Makefile.in: Rebuild.
6760
6761 2009-10-06  Ian Lance Taylor  <iant@google.com>
6762
6763         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6764         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6765         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6766         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6767         the address on ldo_addrs_.
6768         (Target_i386::Relocate::fix_up_ldo): New function.
6769
6770 2009-10-06   Rafael Espindola  <espindola@google.com>
6771
6772         * plugin.cc (add_input_library): New.
6773         (Plugin::load): Add add_input_library to tv.
6774         (Plugin_manager::add_input_file): Add the is_lib argument.
6775         (add_input_file): Update call to Plugin_manager::add_input_file.
6776         (add_input_library): New.
6777         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6778
6779 2009-09-30  Doug Kwan  <dougkwan@google.com>
6780
6781         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6782         symbol and call Symbol::may_need_copy_reloc to determine if
6783         a copy reloc is needed.
6784         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6785         nocopyreloc is given in command line.
6786         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6787         given in command line.
6788         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6789         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6790         of the removed Target_i386::may_need_copy_reloc.
6791         * options.h (copyreloc): New option with default value false.
6792         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6793         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6794         instead of the removed Target_powerpc::may_need_copy_reloc.
6795         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6796         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6797         instead of the removed Target_sparc::may_need_copy_reloc.
6798         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6799         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6800         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6801         instead of the removed Target_x86_64::may_need_copy_reloc.
6802
6803 2009-09-30  Ian Lance Taylor  <iant@google.com>
6804
6805         * object.h (class Object): Remove target_ field, and target,
6806         sized_target, and set_target methods.
6807         (Object::sized_target): Remove.
6808         (class Sized_relobj): Update declarations.  Remove sized_target.
6809         * object.cc (Sized_relobj::setup): Remove target parameter.
6810         Change all callers.
6811         (Input_objects::add_object): Don't do anything with the target.
6812         (make_elf_sized_object): Add punconfigured parameter.  Change all
6813         callers.  Set or test parameter target.
6814         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6815         Change all callers.
6816         * parameters.cc (Parameters::set_target): Change parameter type to
6817         be non-const.
6818         (Parameters::default_target): Remove.
6819         (set_parameters_target): Change parameter type to be non-const.
6820         (parameters_force_valid_target): New function.
6821         (parameters_clear_target): New function.
6822         * parameters.h (class Parameters): Update declarations.  Remove
6823         default_target method.  Add sized_target and clear_target
6824         methods.  Change target_ to be non-const.
6825         (set_parameters_target): Update declaration.
6826         (parameters_force_valid_target): Declare.
6827         (parameters_clear_target): Declare.
6828         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
6829         as NULL if we aren't searching.
6830         (Add_symbols::run): Don't check for compatible target.
6831         * fileread.cc (Input_file::open_binary): Call
6832         parameters_force_valid_target.
6833         * gold.cc (queue_middle_tasks): Likewise.
6834         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
6835         set_target on object.
6836         * dynobj.h (class Sized_dynobj): Update declarations.
6837         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
6838         make_elf_object returns NULL.
6839         (Archive::include_member): Don't check whether object target is
6840         compatible.
6841         * output.cc (Output_section::add_input_section): Get target from
6842         parameters.
6843         (Output_section::relax_input_section): Likewise.
6844         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
6845         parameters.
6846         (Sized_relobj::do_scan_relocs): Likewise.
6847         (Sized_relobj::relocate_sections): Likewise.
6848         * resolve.cc (Symbol_table::resolve): Likewise.
6849         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
6850         parameter.  Change all callers.
6851         (Symbol_table::add_from_object): Get target from parameters.
6852         (Symbol_table::add_from_relobj): Don't check object target.
6853         (Symbol_table::add_from_dynobj): Likewise.
6854         (Symbol_table::define_special_symbol): Get target from
6855         parameters.
6856         * symtab.h (class Symbol_table): Update declaration.
6857         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
6858         parameter.  Change all callers.  Clear parameter target.
6859         (Binary_test): Test target here.
6860         * testsuite/object_unittest.cc (gold_testsuite): Remove
6861         target_test_pointer parameter.  Change all callers.
6862         (Object_test): Test target here.
6863
6864 2009-09-26  Ian Lance Taylor  <iant@google.com>
6865
6866         * testsuite/initpri1.c: Don't try to use constructor priorities if
6867         compiling with gcc before 4.3.
6868
6869 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
6870
6871         * testsuite/retain_symbols_file_test.sh (check_present): Change
6872         output file name to retain_symbols_file_test.stdout.
6873         (check_absent): Likewise.
6874
6875 2009-09-18  Craig Silverstein  <csilvers@google.com>
6876
6877         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
6878         * options.cc: Include <cerrno> and <fstream>.
6879         (General_options::finalize): Parse -retain-symbols-file tag.
6880         * options.h: New flag.
6881         (General_options): New method should_retain_symbol, new
6882         variable symbols_to_retain.
6883         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
6884         should_retain_symbol map.
6885         * testsuite/Makefile.am (retain_symbols_file_test): New test.
6886         * testsuite/Makefile.in: Regenerate.
6887         * testsuite/retain_symbols_file_test.sh: New file.
6888
6889 2009-09-18  Nick Clifton  <nickc@redhat.com>
6890
6891         * po/es.po: Updated Spanish translation.
6892
6893 2009-09-17  Doug Kwan  <dougkwan@google.com>
6894
6895         * debug.h (DEBUG_RELAXATION): New constant.
6896         (DEBUG_ALL): Add DEBUG_RELAXATION.
6897         (debug_string_to_enum): Add relaxation debug option.
6898         * layout.cc
6899         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
6900         Layout::Relaxation_debug_check::read_sections,
6901         Layout::Relaxation_debug_check::read_sections): New method definitions.
6902         (Layout::Layout): Initialize data members
6903         record_output_section_data_from_scrips_,
6904         script_output_section_data_list_ and relaxation_debug_check_.
6905         (Layout::save_segments, Layout::restore_segments,
6906         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6907         Layout::relaxation_loop_body): New method definitions.
6908         (Layout::finalize): Support relaxation.  Move section layout code to
6909         Layout::relaxation_loop_body.
6910         (Layout::set_asection_address_from_script): Move code for orphan
6911         section placement out.
6912         (Layout::place_orphan_sections_in_script): New method definition.
6913         * layout.h (Output_segment_headers, Output_file_header):
6914         New forward class declarations.
6915         (Layout::~Layout): Define.
6916         (Layout::new_output_section_data_from_script): New method definition.
6917         (Layout::place_orphan_sections_in_script): New method declaration.
6918         (Layout::Segment_states): New type declaration.
6919         (Layout::save_segments, Layout::restore_segments,
6920         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6921         Layout::relaxation_loop_body): New method declarations.
6922         (Layout::Output_section_data_list): New type declaration.
6923         (Layout::Relaxation_debug_check): New class definition.
6924         (Layout::record_output_section_data_from_script_,
6925         Layout::script_output_section_data_list_, Layout::segment_states_,
6926         Layout::relaxation_debug_check_): New data members.
6927         * output.cc: (Output_section_headers::do_size): New method definition.
6928         (Output_section_headers::Output_section_headers): Move size
6929         computation to Output_section_headers::do_size.
6930         (Output_segment_headers::do_size): New method definition.
6931         (Output_file_header::Output_file_header): Move size computation to
6932         Output_file_header::do_size and call it.
6933         (Output_file_header::do_size): New method definition.
6934         (Output_data_group::Output_data_group): Adjust call to
6935         Output_section_data.
6936         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
6937         (Output_symtab_xindex::do_write): Add array bound check.
6938         (Output_section::Input_section::print_to_mapfile): Handle
6939         RELAXED_INPUT_SECTION_CODE.
6940         (Output_section::Output_section): Initialize data member checkpoint_.
6941         (Output_section::~Output_section): Delete checkpoint object pointed
6942         by checkpoint_.
6943         (Output_section::add_input_section): Always add an Input_section if
6944         relaxing.
6945         (Output_section::add_merge_input_section): Add assert.
6946         (Output_section::relax_input_section): New method definition.
6947         (Output_section::set_final_data_size): Set load address to zero for
6948         an unallocated section.
6949         (Output_section::do_address_and_file_offset_have_reset_values):
6950         New method definition.
6951         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
6952         Handle relaxed input section.
6953         (Output_section::sort_attached_input_sections): Checkpoint input
6954         section list lazily.
6955         (Output_section::get_input_sections): Change type of input_sections to
6956         list of Simple_input_section pointers.  Checkpoint input section list
6957         lazily.  Also handle relaxed input sections.
6958         (Output_section::add_input_section_for_script): Take a reference to
6959         a Simple_input_section object instead of Relobj pointer and section
6960         index as parameter.  Handle relaxed input sections.
6961         (Output_section::save_states, Output_section::restore_states): New
6962         method definitions.
6963         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
6964         (Output_data::is_data_size_fixed): New method definition.
6965         (Output_data::reset_addresss_and_file_offset): Do not reset data size
6966         if it is fixed.
6967         (Output_data::address_and_file_offset_have_reset_values): New method
6968         definition.
6969         (Output_data::do_address_and_file_offset_have_reset_values): New method
6970         definition.
6971         (Output_data::set_data_size): Check that data size is not fixed.
6972         (Output_data::fix_data_size): New method definition.
6973         (Output_data::is_data_size_fixed_): New data member.
6974         (Output_section_headers::set_final_data_size): New method definition.
6975         (Output_section_headers::do_size): New method declaration.
6976         (Output_segment_headers::set_final_data_size): New method definition.
6977         (Output_segment_headers::do_size): New method declaration.
6978         (Output_file_header::set_final_data_size)::New method definition.
6979         (Output_file_header::do_size)::New method declaration.
6980         (Output_section_data::Output_section_data): Add new parameter
6981         is_data_size_fixed and use it to fix data size.
6982         (Output_data_const::Output_data_const): Adjust call to base class
6983         constructor and fix data size.
6984         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
6985         base class constructor and fix data size.
6986         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
6987         base class constructor and fix data size.
6988         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
6989         class constructor and fix data size.
6990         (Output_data_group::set_final_data_size): New method definition.
6991         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
6992         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
6993         class constructor and fix data size.
6994         (Output_relaxed_input_section): New class definition.
6995         (Output_section::Simple_input_section): New class definition.
6996         (Output_section::get_input_sections): Adjust parameter list.
6997         (Output_section::add_input_section_for_script): Same.
6998         (Output_section::save_states, Output_section::restore_states,
6999         Output_section::do_address_and_file_offset_have_reset_values,
7000         (Output_section::Input_section::Input_section): Handle
7001         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7002         Output_relaxed_input_section.
7003         (Output_section::Input_section::is_input_section,
7004         Output_section::Input_section::set_output_section): Handle relaxed
7005         input section.
7006         (Output_section::Input_section::is_relaxed_input_section,
7007         Output_section::Input_section::output_section_data,
7008         Output_section::Input_section::relaxed_input_section): New method
7009         definitions.
7010         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7011         value.
7012         (Output_section::Input_section::u1_): Update comments.
7013         (Output_section::Input_section::u2_): Add new union member poris.
7014         (Output_section::Checkpoint_output_section): New classs definition.
7015         (Output_section::relax_input_section): New method declaration.
7016         (Output_section::checkpoint_): New data member.
7017         (Output_segment): Update comments.
7018         (Output_segment::Output_segment): Un-privatize copy constructor.
7019         (Output_segment::operator=): Un-privatize.
7020         * script-sections.cc (Output_section_element::Input_section_list):
7021         Change element type to Output_section::Simple_input_section.
7022         (Output_section_element_dot_assignment::set_section_addresses):
7023         Register output section data for relaxation clean up.
7024         (Output_data_exression::Output_data_expression): Adjust call to base
7025         constructor to fix data size.
7026         (Output_section_element_data::set_section_addresses): Register
7027         Output_data_expression object for relaxation clean up.
7028         (struct Input_section_info): Replace Relobj pointer and section index
7029         pair with Output_section::Simple_input_section and Convert struct to a
7030         class.
7031         (Input_section_sorter::operator()): Adjust access to
7032         Input_section_info data member to use accessors.
7033         (Output_section_element_input::set_section_addresses): Use layout
7034         parameter.  Adjust code to use Output_section::Simple_input_section
7035         and Input_secction_info classes.  Register filler for relaxation
7036         clean up.
7037         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7038         and section index pair with Output_section::Simple_input_section
7039         class.  Adjust code accordingly.
7040         (Phdrs_element::release_segment): New method definition.
7041         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7042         segment list.
7043         (Script_sections::release_segments): New method definition.
7044         * gold/script-sections.h (Script_sections::release_segments): New
7045         method declaration.
7046         * gold/target.h (Target::may_relax, Target::relax,
7047         Target::do_may_relax, Target::do_relax): New method definitions.
7048
7049 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7050
7051         * arm.cc (has_signed_unsigned_overflow): New function.
7052         (Arm_relocate_functions::abs8): New function.
7053         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7054         (Target_arm::Scan::global): Likewise.
7055         (Target_arm::relocate::relocate): Likewise.
7056         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7057         Likewise.
7058
7059 2009-09-16  Cary Coutant  <ccoutant@google.com>
7060
7061         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7062         * testsuite/Makefile.in: Regenerate.
7063
7064 2009-09-11  Nick Clifton  <nickc@redhat.com>
7065
7066         * po/gold.pot: Updated by the Translation project.
7067
7068 2009-09-08  Cary Coutant  <ccoutant@google.com>
7069
7070         * output.cc (Output_file::open): Add execute permission to empty file.
7071         * testsuite/Makefile.am (permission_test): New test.
7072         * testsuite/Makefile.in: Regenerate.
7073
7074 2009-09-02  Ian Lance Taylor  <iant@google.com>
7075
7076         * output.cc (Output_file::resize): Call map_no_anonymous rather
7077         than map.
7078
7079 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7080
7081         * gold.cc: Include "incremental.h".
7082         (queue_initial_tasks): Call Incremental_checker methods.
7083         * incremental.cc: Include "output.h".
7084         (Incremental_checker::can_incrementally_link_output_file): New
7085         method.
7086         * incremental.h (Incremental_checker): New class.
7087
7088         * output.cc (Output_file::open_for_modification): New method.
7089         (Output_file::map_anonymous): Changed return type to bool.  Record
7090         map in base_ field.
7091         (Output_file::map_no_anonymous): New method, broken out of map.
7092         (Output_file::map): Use map_no_anonymous and map_anonymous.
7093         * output.h (class Output_file): Update declarations.
7094
7095 2009-08-24  Cary Coutant  <ccoutant@google.com>
7096
7097         * options.h (Command_line::Pre_options): New class.
7098         (Command_line::pre_options): New member.
7099         * options.cc (gold::options::ready_to_register): New variable.
7100         (One_option::register_option): Do nothing if not registering options.
7101         Assert if same short option registered twice.
7102         (General_options::General_options): Turn off option registration when
7103         done constructing.
7104         (Command_line::Pre_options::Pre_options): New constructor.
7105
7106 2009-08-24  Cary Coutant  <ccoutant@google.com>
7107
7108         * options.h (General_options::no_keep_memory): Remove incorrect
7109         short option.
7110
7111 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7112
7113         * Makefile.am (am__skiplex, am__skipyacc): New.
7114         * Makefile.in: Regenerate.
7115
7116 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7117
7118         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7119         (INCLUDES): ... this.
7120         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7121         (AM_CPPFLAGS): Renamed from ...
7122         (INCLUDE): ... this.
7123         * Makefile.in, testsuite/Makefile.in: Regenerate.
7124
7125         * Makefile.in: Regenerate.
7126         * aclocal.m4: Likewise.
7127         * config.in: Likewise.
7128         * configure: Likewise.
7129         * testsuite/Makefile.in: Likewise.
7130
7131         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7132         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7133         * Makefile.in: Regenerate.
7134         * testsuite/Makefile.in: Regenerate.
7135
7136 2009-08-19  Cary Coutant  <ccoutant@google.com>
7137
7138         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7139         symbols in shared libraries overridden by hidden or internal symbols
7140         in the main program.
7141
7142 2009-08-19  Chris Demetriou  <cgd@google.com>
7143
7144         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7145         checking source file names in error messages.
7146
7147 2009-08-18  Doug Kwan  <dougkwan@google.com>
7148
7149         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7150         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7151         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7152         an elfcpp::Ehdr as parameter.
7153         * object.cc (Object::set_target): Remove the version that looks up
7154         a target and sets it.
7155         (Sized_relobj::setup): Take a Target object instead of
7156         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7157         (make_elf_sized_object): Find target and ask target to
7158         make an ELF object.
7159         * object.h: (Object::set_target): Remove the version that looks up
7160         a target and sets it.
7161         (Sized_relobj::setup): Take a Target object instead of
7162         an elfcpp:Ehdr as parameter.
7163         * target.cc: Include dynobj.h.
7164         (Target::do_make_elf_object_implementation): New.
7165         (Target::do_make_elf_object): New.
7166         * target.h (Target::make_elf_object): New template declaration.
7167         (Target::do_make_elf_object): New method declarations.
7168         (Target::do_make_elf_object_implementation): New template declaration.
7169
7170 2009-08-14  Ian Lance Taylor  <iant@google.com>
7171
7172         * gold.h (FUNCTION_NAME): Define.
7173         (gold_unreachable): Use FUNCTION_NAME.
7174
7175 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7176
7177         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7178         symbol in the --keep-unique list is not found.
7179
7180 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7181
7182         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7183         been maked as --keep-unique.
7184         (Icf::unfold_section): New function.
7185         * icf.h (Icf::unfold_section): New function.
7186         * options.h (General_options::keep_unique): New option.
7187         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7188         * testsuite/Makefile.in: Regenerate.
7189         * testsuite/icf_keep_unique_test.sh: New file.
7190         * testsuite/icf_keep_unique_test.cc: New file.
7191
7192 2009-08-12  Cary Coutant  <ccoutant@google.com>
7193
7194         PR 10471
7195         * resolve.cc (Symbol_table::resolve): Check for references from
7196         dynamic objects to hidden and internal symbols.
7197         * testsuite/Makefile.am (hidden_test.sh): New test.
7198         * testsuite/Makefile.in: Regenerate.
7199         * testsuite/hidden_test.sh: New script.
7200         * testsuite/hidden_test_1.c: New test source.
7201         * testsuite/hidden_test_main.c: New test source.
7202
7203 2009-08-11  Doug Kwan  <dougkwan@google.com>
7204
7205         * arm.cc: Update comments.
7206         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7207         segment to locate the .ARM.exidx section if present.
7208
7209 2009-08-09  Doug Kwan  <dougkwan@google.com>
7210
7211         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7212         patch.
7213
7214 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7215         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7216         compiler warnings.
7217
7218 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7219
7220         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7221         valid tls_segment only for non-debug-section relocations.
7222         * testsuite/Makefile.am: Add gc_tls_test.
7223         * testsuite/Makefile.in: Regenerate.
7224         * testsuite/gc_tls_test.cc: New file.
7225         * testsuite/gc_tls_test.sh: New file.
7226
7227 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7228
7229         * icf.cc: New file.
7230         * icf.h: New file.
7231         * Makefile.am (CCFILES): Add icf.cc.
7232         (HFILES): Add icf.h
7233         * Makefile.in: Regenerate.
7234         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7235         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7236         section, symbol and addend information for the relocs.
7237         * gold.cc (queue_middle_tasks): Call identical code folding.
7238         * gold.h: Add defines for multimap.
7239         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7240         to the call of finalize_local_symbols.
7241         * main.cc (main): Create object of class Icf.
7242         * object.cc (Sized_relobj::do_layout): Allow this function to be
7243         called twice during icf.
7244         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7245         to sections marked as identical by icf.
7246         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7247         when available.
7248         (Sized_relobj::do_section_entsize): New function.
7249         * object.h (Object::section_entsize): New function.
7250         (Object::do_section_entsize): New pure virtual function.
7251         (Relobj::finalize_local_symbols): Add new parameter.
7252         (Relobj::do_section_entsize): New function.
7253         * options.h (General_options::icf): New option.
7254         (General_options::icf_iterations): New option.
7255         (General_options::print_icf_sections): New option.
7256         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7257         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7258         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7259         icf.
7260         * symtab.cc (Symbol_table::is_section_folded): New function.
7261         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7262         to sections marked as identical by icf.
7263         * symtab.h (Symbol_table::set_icf): New function.
7264         (Symbol_table::icf): New function.
7265         (Symbol_table::is_section_folded): New function.
7266         (Symbol_table::icf_): New data member.
7267         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7268         * testsuite/Makefile.am: Add commands to build icf_test.
7269         * testsuite/Makefile.in: Regenerate.
7270         * testsuite/icf_test.sh: New file.
7271         * testsuite/icf_test.cc: New file.
7272
7273 2009-07-24  Chris Demetriou  <cgd@google.com>
7274
7275         * layout.cc (is_compressible_debug_section): Fix incorrect
7276         comment about compressed section names.
7277
7278 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7279
7280         PR 10419
7281         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7282
7283 2009-07-16  Ian Lance Taylor  <iant@google.com>
7284
7285         PR 10400
7286         * layout.h: #include <map>.
7287         (class Kept_section): Change from struct to class.  Add accessors
7288         and setters.  Add section size to Comdat_group mapping.  Change
7289         Comdat_group to std::map.  Add is_comdat_ field.  Add
7290         linkonce_size field in union.
7291         (class Layout): Update declaration of find_or_add_kept_section.
7292         Don't declare find_kept_object.
7293         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7294         parameter.  Add object, shndx, is_comdat, and is_group_name
7295         parameters.  Change all callers.  Adjust for new Kept_section.
7296         (Layout::find_kept_object): Remove.
7297         * object.cc (Sized_relobj::include_section_group): Update use of
7298         Kept_section.  Rename secnum to shndx.  Only record
7299         Kept_comdat_section if sections are the same size.
7300         (Sized_relobj::include_linkonce_section): Update use of
7301         Kept_section.  Only record Kept_comdat_section if sections are the
7302         same size.  Set size of linkonce section.
7303         (Sized_relobj::map_to_kept_section): Update call to
7304         get_kept_comdat_section.
7305         * object.h (class Sized_relobj): Rename fields in
7306         Kept_comdat_section to drop trailing underscores; change object
7307         field to Relobj*.  Change Kept_comdat_section_table to store
7308         struct rather than pointer.
7309         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7310         Add kept_object and kept_shndx parameters.  Change all callers.
7311         (Sized_relobj::get_kept_comdat_section): Change return type to
7312         bool.  Add kept_object and kept_shndx parameters.  Change all
7313         callers.
7314         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7315         Layout::find_or_add_kept_section.
7316
7317 2009-07-09  Ian Lance Taylor  <iant@google.com>
7318
7319         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7320         Reserve space in the hash table.
7321
7322 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7323
7324         * fileread.cc (File_read::get_mtime): New method.
7325         * fileread.h (Timespec): New structure.
7326         (File_read::get_mtime): New method.
7327         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7328         Renamed from timestamp_nsec.
7329         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7330         Elf_Xword.
7331         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7332         timestamp_nsec.
7333         (Incremental_inputs::report_archive): Save mtime; style fix.
7334         (Incremental_inputs::report_obejct): Save mtime; style fix.
7335         (Incremental_inputs::report_script): Save mtime; style fix.
7336         (Incremental_inputs::finalize_inputs): Style fix.
7337         (Incremental_inputs::finalize): Style fix.
7338         (Incremental_inputs::create_input_section_data): Store inputs
7339         mtime.
7340         * incremental.h (Incremental_inputs::report_script): Add mtime
7341         argument.
7342         (Incremental_inputs::Input_info::Input_info): Intialize only one
7343         union member.
7344         (Incremental_inputs::Input_info::archive): Move to nameless
7345         union.
7346         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7347         (Incremental_inputs::Input_info::script): Move to nameless union.
7348         (Incremental_inputs::mtime): New field.
7349         * script.cc (read_input_script): Pass file mtime to
7350         Incremental_input.
7351         * script.h (Script_info::inputs): Style fix.
7352
7353 2009-07-01  Ian Lance Taylor  <ian@airs.com>
7354
7355         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
7356         instead of 32.
7357
7358 2009-06-24  Ian Lance Taylor  <iant@google.com>
7359
7360         PR 10156
7361         * layout.cc (Layout::choose_output_section): If we find an
7362         existing section, update the flags.
7363         (Layout::create_notes): New function, broken out of
7364         Layout::finalize.
7365         (Layout::finalize): Don't create note sections.
7366         (Layout::create_note): Don't crash if linker script discards
7367         section.
7368         (Layout::create_gold_note): Likewise.
7369         (Layout::create_build_id): Likewise.  Don't set
7370         after_input_sections on the section.
7371         (Layout::create_executable_stack_info): Remove target parameter.
7372         Change caller.
7373         * layout.h (class Layout): Declare create_notes.  Update
7374         declaration of create_executable_stack_info.
7375         * gold.cc (queue_middle_tasks): Call create_notes.
7376         * output.cc (Output_section::update_flags_for_input_section): Move
7377         here from output.h.  If SHF_ALLOC flag is newly set, mark address
7378         invalid.
7379         * output.h (Output_data::mark_address_invalid): New function.
7380         (class Output_section): Only declare, not define,
7381         update_flags_for_input_section.  Remove set_flags.
7382
7383 2009-06-24  Ian Lance Taylor  <iant@google.com>
7384
7385         * script-sections.cc (Output_section_definition::
7386         set_section_addresses): Rename shadowing local load_address to
7387         laddr.
7388
7389 2009-06-24  Ian Lance Taylor  <iant@google.com>
7390
7391         PR 10244
7392         * reloc.cc (relocate_sections): Skip empty relocation sections.
7393
7394 2009-06-23  Ian Lance Taylor  <iant@google.com>
7395
7396         PR 10156
7397         * layout.cc (Layout::create_note): Use choose_output_section
7398         rather than make_output_section.
7399
7400 2009-06-23  Ian Lance Taylor  <iant@google.com>
7401
7402         PR 10237
7403         * options.cc (General_options::parse_V): Set printed_version_.
7404         (General_options::General_options): Initialize printed_version_.
7405         * options.h (class General_options): Add printed_version_ field.
7406         * gold.cc (queue_initial_tasks): If there are no input files,
7407         don't give a fatal error if we printed the version information.
7408         (queue_middle_tasks): If using -r with a shared object, give a
7409         fatal error rather than an ordinary error.
7410
7411 2009-06-23  Ian Lance Taylor  <iant@google.com>
7412
7413         PR 10219
7414         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
7415         (Layout::make_output_section): Set have_stabstr_section_ if we see
7416         a .stab*str section.
7417         (Layout::finalize): Call link_stabs_sections.
7418         (Layout::link_stabs_sections): New file.
7419         * layout.h (class Layout): Add have_stabstr_section_ field.
7420         Declare link_stabs_sections.
7421
7422 2009-06-23  Doug Kwan  <dougkwan@google.com>
7423
7424         * Makefile.am (libgold_a_LIBADD): New.
7425         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
7426         * Makefile.in: Regenerate.
7427         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
7428         * configure: Regenerate.
7429         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
7430         * fileread.cc: Include sys/state.h
7431         * gold.h: Declare memmem and strndup if found missing.
7432         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
7433
7434 2009-06-23  Ian Lance Taylor  <iant@google.com>
7435
7436         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
7437         * configure: Rebuild.
7438
7439 2009-06-23  Ian Lance Taylor  <iant@google.com>
7440
7441         PR 10147
7442         * object.cc (Object::section_contents): Don't try to get a view if
7443         the section has length zero.
7444         (Object::handle_gnu_warning_section): If the section is empty, use
7445         the name of the section as the warning.
7446
7447 2009-06-23  Ian Lance Taylor  <iant@google.com>
7448
7449         PR 10133
7450         * stringpool.h (class Stringpool_template): Add optimize_ field.
7451         (Stringpool_template::set_optimize): New function.
7452         * stringpool.cc (Stringpool_template::Stringpool_template):
7453         Initialize optimize_ field.
7454         (Stringpool_template::set_string_offsets): Test local optimize
7455         fild rather than parameter.
7456         * layout.cc (Layout::Layout): Call set_optimize on the section
7457         name stringpool.
7458
7459 2009-06-22  Ian Lance Taylor  <iant@google.com>
7460
7461         PR 10030
7462         * yyscript.y: Parse TARGET.
7463         * script.cc (script_set_target): New function.
7464         * script-c.h (script_set_target): Declare.
7465         * options.cc (General_options::string_to_object_format): Rename
7466         from string_to_object_format in anonymous namespace.  Change
7467         callers.
7468         * options.h (class General_options): Declare
7469         string_to_object_format.
7470
7471 2009-06-22  Ian Lance Taylor  <iant@google.com>
7472
7473         * script-sections.cc (Script_sections::create_segments): Don't put
7474         program headers in a PT_LOAD segment if -n or -N.
7475
7476 2009-06-22  Ian Lance Taylor  <iant@google.com>
7477
7478         PR 10141
7479         * options.h (class General_options): Add -z lazy and -z now.  Sort
7480         -z options into alphabetical order.
7481         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
7482
7483 2009-06-21  Ian Lance Taylor  <iant@google.com>
7484
7485         * layout.cc (Layout::make_output_section): Call
7486         Target::new_output_section.
7487         (Layout::attach_allocated_section_to_segment): Put large section
7488         sections in a separate load segment with the large segment flag
7489         set.
7490         (Layout::segment_precedes): Sort large data segments after other
7491         load segments.
7492         (align_file_offset): New static function.
7493         (Layout::set_segment_offsets): Use align_file_offset.
7494         * output.h (class Output_section): Add is_small_section_ and
7495         is_large_section_ fields.
7496         (Output_section::is_small_section): New function.
7497         (Output_section::set_is_small_section):  New function.
7498         (Output_section::is_large_section): New function.
7499         (Output_section::set_is_large_section): New function.
7500         (Output_section::is_large_data_section): New function.
7501         (class Output_segment): Add is_large_data_segment_ field.
7502         (Output_segment::is_large_data_segment): New function.
7503         (Output_segment::set_is_large_data_segment): New function.
7504         * output.cc (Output_section::Output_section): Initialize new
7505         fields.
7506         (Output_segment::Output_segment): Likewise.
7507         (Output_segment::add_output_section): Add assertion that large
7508         data sections always go in large data segments.  Force small data
7509         sections to the end of the list of data sections.  Force small BSS
7510         sections to the start of the list of BSS sections.  For large BSS
7511         sections to the end of the list of BSS sections.
7512         * symtab.h (class Symbol): Declare is_common_shndx.
7513         (Symbol::is_defined): Check Symbol::is_common_shndx.
7514         (Symbol::is_common): Likewise.
7515         (class Symbol_table): Define enum Commons_section_type.  Update
7516         declarations.  Add small_commons_ and large_commons_ fields.
7517         * symtab.cc (Symbol::is_common_shndx): New function.
7518         (Symbol_table::Symbol_table): Initialize new fields.
7519         (Symbol_table::add_from_object): Put small and large common
7520         symbols in the right list.
7521         (Symbol_table::sized_finalized_symbol): Check
7522         Symbol::is_common_shndx.
7523         (Symbol_table::sized_write_globals): Likewise.
7524         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7525         common symbol lists.  Don't call do_allocate_commons_list if the
7526         list is empty.
7527         (Symbol_table::do_allocate_commons_list): Remove is_tls
7528         parameter.  Add comons_section_type parameter.  Change all
7529         callers.  Handle small and large common symbols.
7530         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7531         Symbol::is_common_shndx.
7532         * resolve.cc (symbol_to_bits): Likewise.
7533         * target.h (Target::small_common_shndx): New function.
7534         (Target::small_common_section_flags): New function.
7535         (Target::large_common_shndx): New function.
7536         (Target::large_common_section_flags): New function.
7537         (Target::new_output_section): New function.
7538         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7539         small_common_section_flags, and large_common_section_flags
7540         fields.
7541         (Target::do_new_output_section): New virtual function.
7542         * arm.cc (Target_arm::arm_info): Initialize new fields.
7543         * i386.cc (Target_i386::i386_info): Likewise.
7544         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7545         Likewise.
7546         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7547         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7548         (Target_x86_64::do_new_output_section): New function.
7549         * configure.ac: Define conditional MCMODEL_MEDIUM.
7550         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7551         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7552         (large_LDFLAGS): Define.
7553         * testsuite/large.c: New file.
7554         * testsuite/testfile.cc (Target_test::test_target_info):
7555         Initialize new fields.
7556         * configure, testsuite/Makefile.in: Rebuild.
7557
7558 2009-06-05  Doug Kwan  <dougkwan@google.com>
7559
7560         * Makefile.am (CCFILES): Add target.cc.
7561         * Makefile.in: Regenerate.
7562         * i386.cc (class Target_i386): Define new virtual method to
7563         override do_is_local_label_name in parent.
7564         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7565         local symbols if --discard-locals or -X is given.
7566         * options.h (class General_options): Declare new options
7567         '--discard-locals' and '-X' for discarding locals.
7568         * target.h (class Target): Define new methods is_local_label_name.
7569         Declare new virtual method do_is_local_label_name.
7570         * target.cc: New file.
7571         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7572         (check_SCRIPTS): Add discard_locals_test.sh.
7573         (check_DATA): Add discard_local_tests.syms.
7574         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7575         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7576         * testsuite/Makefile.in: Regenerate.
7577         * testsuite/discard_locals_test.c: New file.
7578         * testsuite/discard_locals_test.sh: Same.
7579
7580 2009-06-05  Doug Kwan  <dougkwan@google.com>
7581
7582         * object.cc (Sized_relobj::Sized_relobj): Initialize
7583         discarded_eh_frame_shndx_ to -1U.
7584         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7585         section.
7586         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7587         a discarded .eh_frame section.
7588         (Sized_relobj::do_finalize_local_symbols): Ditto.
7589         * object.h (class Sized_relobj): Declare new member
7590         discarded_eh_frame_shndx_.
7591         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7592         (local_labels_test.o, local_labels_test): New rules.
7593         * testsuite/Makefile.in: Regenerate.
7594
7595 2009-06-04  Doug Kwan  <dougkwan@google.com>
7596
7597         * layout.cc (Layout::section_name_mapping): Add mapping for
7598         special ARM sections.
7599
7600 2009-06-03  Doug Kwan  <dougkwan@google.com>
7601
7602         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7603         (utils::has_overflow): Same.
7604
7605 2009-06-03  Ian Lance Taylor  <iant@google.com>
7606
7607         * layout.cc (Layout::section_name_mapping): New array, replacing
7608         Layout::linkonce_mapping.
7609         (Layout::section_name_mapping_count): New variable, replacing
7610         Layout::linkonce_mapping_count.
7611         (Layout::linkonce_output_name): Remove.
7612         (Layout::output_section_name): Rewrite.
7613         * layout.h (class Layout): Rename Linkonce_mapping to
7614         Section_name_mapping, linkonce_mapping to section_name_mapping,
7615         linkonce_mapping_count to section_name_mapping_count.  Don't
7616         declare linkonce_output_name.
7617
7618 2009-06-03  Doug Kwan  <dougkwan@google.com>
7619
7620         * gold/arm.cc (namespace utils): New.
7621         (Target_arm::reloc_is_non_pic): Define new method.
7622         (class Arm_relocate_functions): New.
7623         (Target_arm::Relocate::relocate): Handle relocation types used by
7624         Android.
7625
7626 2009-06-03  Ian Lance Taylor  <iant@google.com>
7627
7628         * arm.cc (Target_arm::scan::global): Use || instead of |.
7629
7630 2009-06-02  Doug Kwan  <dougkwan@google.com>
7631
7632         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7633         issued_non_pic_error_.
7634         (class Target_arm::Scan): Declare new method check_non_pic.
7635         Define new method symbol_needs_plt_entry.
7636         Declare new data member issued_non_pic_error_.
7637         (class Target_arm::Relocate): Declare new method
7638         should_apply_static_reloc.
7639         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7640         (Target_arm::Scan::check_non_pic): Define new method.
7641         (Target_arm::Scan::local): Handle a small subset of reloc types used
7642         by Android.
7643         (Target_arm::Scan::local): Same.
7644         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7645
7646 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7647
7648         * incremental.cc (Incremental_inputs::report_command_line): Filter
7649         out --incremental-* options.
7650
7651 2009-05-29  Doug Kwan  <dougkwan@google.com>
7652
7653         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7654         template class.
7655         (class Target_arm): Update comment.
7656         (Target_arm::Target_arm): Initialize new data members GOT_,
7657         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7658         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7659         and Target_arm::rel_dyn_section.
7660         Declare new_enum Target_arm::Got_type.
7661         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7662         and DYNBSS_.
7663         Update commments for member do_dynsym_value.
7664         (Target_arm::got_size, Target_arm::plt_section,
7665         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7666         new methods inside class defintion.
7667         (Target_arm::got_section): Define new method.
7668         (Target_arm::rel_dyn_section): Same.
7669         (Output_data_plt_arm): New template class.
7670         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7671         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7672         (Output_data_plt_arm::add_entry): Same.
7673         (Output_data_plt_arm::first_plt_entry): Define new
7674         static data member for PLT instruction template.
7675         (Output_data_plt_arm::plt_entry): Same.
7676         (Output_data_plt_arm::do_write): Define new method.
7677         (Target_arm::make_plt_entry): Same.
7678         (Target_arm::do_finalize_sections): Same.
7679         (Target_arm::do_dynsym_value): Same.
7680
7681 2009-05-28  Doug Kwan  <dougkwan@google.com>
7682
7683         * Makefile.am (TARGETSOURCES): Add arm.cc.
7684         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7685         * Makefile.in: Regenerate.
7686         * arm.cc: New file.
7687         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7688
7689 2009-05-26  Doug Kwan  <dougkwan@google.com>
7690
7691         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7692         (General_options::check_excluded_libs): Strip off directories in
7693         archive name before matching like GNU ld does.
7694         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7695         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7696         (exclude_libs_test_LDFLAGS): Add linker option
7697         -Wl,--exclude-libs,libexclude_libs_test_3
7698         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7699         an explicit archive without using -l.
7700         (alt/libexclude_libs_test_3.a): New make rule.
7701         * testsuite/Makefile.in: Regenerate.
7702         * testsuite/exclude_libs_test.c : Declare lib3_default().
7703         (main): Call it.
7704         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7705         * exclude_libs_test_3.c: New file.
7706
7707 2009-05-26  Nick Clifton  <nickc@redhat.com>
7708
7709         * po/id.po: New Indonesian translation.
7710         * po/gold.pot: Updated template file.
7711
7712 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7713
7714         * testsuite/Makefile.am: Add -ffunction-sections to compile
7715         gc_comdat_test files.  Add -Wl,--gc-sections to build
7716         gc_comdat_test.
7717         * testsuite/Makefile.in: Regenerate.
7718         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7719
7720 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7721
7722         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7723         kept comdat section was garbage collected.
7724         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7725         * testsuite/Makefile.in: Regenerate.
7726         * testsuite/gc_comdat_test.sh: New file.
7727         * testsuite/gc_comdat_test_1.cc: New file.
7728         * testsuite/gc_comdat_test_2.cc: New file.
7729
7730 2009-05-19  Doug Kwan  <dougkwan@google.com>
7731
7732         * archive.cc (Archive::Archive): Move constructor from archive.h
7733         to here.  Initialize no_export_.
7734         (Archive::get_elf_object_for_member): Set no_export flag of object.
7735         * archive.h (Archive::Archive): Move constructor body to
7736         archive.cc.
7737         (Archive::no_export): New method.
7738         (Archive::no_export_): New field.
7739         * object.h (Object::Object): Initialize no_export_ to false.
7740         (Object::no_export, Object::set_no_export): New methods.
7741         (Object::no_export_): New field.
7742         * options.cc (General_options::parse_exclude_libs): New method.
7743         (General_options::check_excluded_libs) Same.
7744         * options.h (exclude_libs): New option.
7745         (General_options::check_excluded_libs): New method declaration.
7746         (General_options::excluded_libs_): New field.
7747         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7748         default or protected visibility if an object has no-export flag set.
7749         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7750         (check_SCRIPTS): Add exclude_libs_test.sh.
7751         (check_DATA): Add exclude_libs_test.syms.
7752         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7753         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7754         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7755         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7756         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7757         libexclude_libs_test_2.a): New rules.
7758         * testsuite/Makefile.in: Regenerate.
7759         * testsuite/exclude_libs_test.c: New file.
7760         * testsuite/exclude_libs_test.sh: Ditto.
7761         * testsuite/exclude_libs_test_1.c: Ditto.
7762         * testsuite/exclude_libs_test_2.c: Ditto.
7763
7764 2009-05-15  Ian Lance Taylor  <iant@google.com>
7765
7766         * configure.ac: Check for declarations for cases where libiberty.h
7767         checks HAVE_DECL_xxx.
7768         * configure, config.in: Rebuild.
7769
7770 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7771
7772         * gold.h (Incremental_argument_list): Remove (invalid) forward
7773         declaration.
7774         * incremental.cc (Incremental_inputs::report_achive): New method.
7775         (Incremental_inputs::report_object): New method.
7776         (Incremental_inputs::report_script): New method.
7777         (Incremental_inputs::finalize_inputs): New method.
7778         (Incremental_inputs::finalize): Call finalize_inputs().
7779         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7780         Create inputs entries.
7781         * incremental.h (Incremental_input_type): New enum.
7782         (Incremental_inputs::Incremental_input): Initialize new fields.
7783         (Incremental_inputs::report_inputs): New method.
7784         (Incremental_inputs::report_achive): New method.
7785         (Incremental_inputs::report_object): New method.
7786         (Incremental_inputs::report_script): New method.
7787         (Incremental_inputs::finalize_inputs): New method.
7788         (Incremental_inputs::Input_info): New struct.
7789         (Incremental_inputs::Input_info_map): New typedef.
7790         (Incremental_inputs::lock_): New field.
7791         (Incremental_inputs::Inputs_): New field.
7792         (Incremental_inputs::Inputs_map): New field.
7793         * main.cc (main): Call Incremental_input::report_inputs.
7794         * options.h (Input_argument_list): Typedef moved from
7795         Input_arguments.
7796         (Input_file_group::Files): Remove, use ::Input_argument_list.
7797         (Input_file_group::Input_argument_list): Remove, use
7798         ::Input_argument_list.
7799         * plugin.cc (Plugin_manager::add_input_file): Add error in
7800         incremental build.
7801         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7802         functions.
7803         * script.cc (read_input_script): Call
7804         Incremental_input::report_script.
7805         * script.h (Script_info): New class.
7806
7807 2009-04-27  Ian Lance Taylor  <iant@google.com>
7808
7809         * x86_64.cc (do_adjust_output_section): Set entsize to
7810         plt_entry_size.
7811
7812 2009-04-23  Elliott Hughes  <enh@google.com>
7813
7814         * output.cc (Output_file::close): After short writes, continue
7815         writing from the correct offset in the buffer being written.
7816
7817 2009-04-23  Chris Demetriou  <cgd@google.com>
7818
7819         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
7820         * configure: Regenerate.
7821         * config.in: Regenerate.
7822         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
7823         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
7824
7825 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
7826
7827         * incremental.cc (Incremental_inputs_header_data): Renamed from
7828         Incremental_input_header_data.
7829         (Incremental_inputs_header_data::data_size): New field.
7830         (Incremental_inputs_header_data::put_input_file_count): Renamed
7831         from input_file_count.
7832         (Incremental_inputs_header_data::put_command_line_offset): Renamed
7833         from command_line_offset.
7834         (Incremental_inputs_header_data::put_reserved): Renamed from
7835         put_reserved.
7836         (Incremental_inputs_entry_data): Renamed from
7837         Incremental_input_entry_data.
7838         (Incremental_inputs_entry_data::data_size): New field.
7839         (Incremental_inputs::report_command_line): New method.
7840         (Incremental_inputs::finalize): New method.
7841         (Incremental_inputs::create_incremental_inputs_data): New method.
7842         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
7843         * incremental.h: New file.
7844         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
7845        (Layout::finalize): Create incremental inputs section in
7846         incremental builds.
7847        (Layout::create_incremental_info_sections): New method.
7848         * layout.h (Layout::incremental_inputs): New method.
7849        (Layout::create_incremental_info_sections): New method.
7850        (Layout::incremental_inputs_): New field.
7851         * main.cc (main): Notify Incremental_input of the command line.
7852
7853 2009-04-01  Ian Lance Taylor  <iant@google.com>
7854             Mikolaj Zalewski  <mikolajz@google.com>
7855
7856         * gold.h (reserve_unordered_map): Define, three versions, one for
7857         each version of Unordered_map.
7858         * layout.cc (Layout::Layout): Remove options parameter.  Add
7859         number_of_input_files parameter.  Don't initialize options_.
7860         Initialize number_of_input_files_ and resized_signatures_.  Move
7861         sections_are_attached_.
7862         (Layout::layout_group): Reserve space for group_signatures_.
7863         (Layout::find_or_add_kept_section): Change name parameter to be a
7864         reference.  Resize signatures_ map when it gets large enough.
7865         (Layout::layout_eh_frame): Use parameters->options() instead of
7866         this->options_.
7867         (Layout::make_output_section): Likewise.
7868         (Layout::attach_allocated_section_to_segment): Likewise.
7869         (Layout::finalize, Layout::create_executable_stack): Likewise.
7870         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
7871         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
7872         * layout.h (class Layout): Update declarations.  Remove options_
7873         field.  Add number_of_input_files_ and resized_signatures_
7874         fields.  Move sections_are_attached_ field.
7875         * main.cc (main): Pass number of input files to Layout
7876         constructor.  Don't pass options.
7877
7878 2009-03-30  Ian Lance Taylor  <iant@google.com>
7879
7880         * ffsll.c (ffsll): Correct implementation.
7881
7882 2009-03-27  Ian Lance Taylor  <iant@google.com>
7883
7884         * ffsll.c: New file.
7885         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
7886         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
7887         * ftruncate.c (ftruncate): Declare before definition.
7888         * mremap.c (mremap): Likewise.
7889         * pread.c (pread): Likewise.
7890         * configure, Makefile.in, config.in: Rebuild.
7891
7892         * mremap.c: New file.
7893         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
7894         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
7895         (mremap): Declare if HAVE_MREMAP is not defined.
7896         * configure, Makefile.in, config.in: Rebuild.
7897
7898 2009-03-27  Cary Coutant  <ccoutant@google.com>
7899
7900         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
7901         position independent.
7902         * sparc.cc (Target_sparc::check_non_pic): Likewise.
7903         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
7904
7905 2009-03-24  Cary Coutant  <ccoutant@google.com>
7906
7907         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
7908         an executable.
7909         (needs_dynamic_reloc): Likewise.
7910
7911 2009-03-24  Ian Lance Taylor  <iant@google.com>
7912
7913         * yyscript.y (file_cmd): Recognize EXTERN.
7914         (extern_name_list, extern_name_list_body): New nonterminals.
7915         * script.cc (script_add_extern): Define.
7916         * script-c.h (script_add_extern): Declare.
7917
7918 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
7919
7920         * object.cc (is_elf_object): Define.
7921         * object.h (is_elf_object): Declare.
7922         * archive.cc (Archive::get_elf_object_for_member): Call
7923         is_elf_object.
7924         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
7925
7926 2009-03-24  Elliott Hughes  <enh@google.com>
7927
7928         * output.cc (Output_file::map_anonymous): Define.
7929         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
7930         try an anonymous one.  Report the size if the mmap fails.
7931         * output.h (class Output_file): Declare map_anonymous.
7932
7933 2009-03-24  Ian Lance Taylor  <iant@google.com>
7934
7935         * target-select.cc (instantiate_target): Don't acquire the lock if
7936         the instantiated_target_ field has already been set.
7937
7938 2009-03-23  Ian Lance Taylor  <iant@google.com>
7939
7940         * gold-threads.h (class Initialize_lock): Define.
7941         * gold-threads.cc (class Initialize_lock_once): Define.
7942         (initialize_lock_control): New static variable.
7943         (initialize_lock_pointer): New static variable.
7944         (initialize_lock_once): New static function.
7945         (Initialize_lock::Initialize_lock): Define.
7946         (Initialize_lock::initialize): Define.
7947         * target-select.h: Include "gold-threads.h".
7948         (class Target_selector): Add lock_ and initialize_lock_ fields.
7949         Don't define instantiate_target, just declare it.
7950         * target-select.cc (Target_selector::Target_selector): Initialize
7951         new fields.
7952         (Target_selector::instantiate_target): Define.
7953         * descriptors.h: Include "gold-threads.h".
7954         (class Descriptors): Add initialize_lock_ field.
7955         * descriptors.cc (Descriptors::Descriptors): Initialize new
7956         field.
7957         (Descriptors::open): Use initialize_lock_ field
7958         * errors.h (class Errors): Add initialize_lock_ field.
7959         * errors.cc (Errors::Errors): Initialize new field.
7960         (Errors::initialize_lock): Use initialize_lock_ field.
7961         * powerpc.cc (class Target_selector_powerpc): Remove
7962         instantiated_target_ field.  In do_recognize call
7963         instantiate_target rather than do_instantiate_target.  In
7964         do_instantiate_target just allocate a new target.
7965         * sparc.cc (class Target_selector_sparc): Likewise.
7966
7967         * freebsd.h: New file.
7968         * i386.cc: Include "freebsd.h".
7969         (Target_i386): Derive from Target_freebsd rather than
7970         Sized_target.
7971         (Target_selector_i386): Derive from Target_selector_freebsd rather
7972         than Target_selector.
7973         * x86_64.cc: Include "freebsd.h".
7974         (Target_x86_64): Derive from Target_freebsd rather than
7975         Sized_target.
7976         (Target_selector_x86_64): Derive from Target_selector_freebsd
7977         rather than Target_selector.
7978         * target.h (class Target): Add adjust_elf_header and
7979         do_adjust_elf_header.
7980         * output.cc (Output_file_header:: do_sized_write): Call target
7981         adjust_elf_header routine.
7982         * configure.tgt: Set targ_osabi.
7983         * configure.ac: Define GOLD_DEFAULT_OSABI.
7984         * parameters.cc (Parameters::default_target): Pass
7985         GOLD_DEFAULT_OSABI to select_target.
7986         * target-select.h (class Target_selector): Make instantiate_target
7987         protected rather than private.
7988         * Makefile.am (HFILES): Add freebsd.h.
7989         * configure, Makefile.in, config.in: Rebuild.
7990
7991         * merge.cc (do_add_input_section): Correct pend value.  Change
7992         message about last entry not being null terminated from error to
7993         warning.
7994
7995 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
7996
7997         * incremental.cc: New file.
7998         * Makefile.am (CCFILES): Add incremental.cc.
7999         * Makefile.in: Rebuild.
8000
8001 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8002
8003         * layout.cc (Layout::output_section_name): Preserve names
8004         of '.note.' sections.
8005
8006 2009-03-19  Ian Lance Taylor  <iant@google.com>
8007
8008         * descriptors.cc (Descriptors::open): Check that the options are
8009         valid before using them.
8010
8011 2009-03-18  Ian Lance Taylor  <iant@google.com>
8012
8013         * script-sections.h: Include <list>.
8014         (class Script_sections): Change Sections_elements from std::vector
8015         to std::list.  Typedef public Elements_iterator.  Add
8016         orphan_section_placement_, data_segment_align_start_, and
8017         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8018         field.
8019         * script-sections.cc (class Orphan_section_placement): New class.
8020         (class Sections_element): Add virtual functions is_relro and
8021         orphan_section_init.  Remove virtual function place_orphan_here.
8022         (class Output_section_definition): Add is_relro and
8023         orphan_section_init.  Remove place_orphan_here.
8024         (class Orphan_output_section): Likewise.
8025         (Script_sections::Script_sections): Update for field changes.
8026         (Script_sections::data_segment_align): Set saw_data_segment_align_
8027         and data_segment_align_start_, not data_segment_align_index.
8028         (Script_sections::data_segment_relro_end): Check
8029         saw_data_segment_align_.  Use data_segment_align_start_ rather
8030         than data_segment_align_index_.
8031         (Script_sections::place_orphan): Rewrite to use
8032         Orphan_section_placement.
8033
8034 2009-03-17  Ian Lance Taylor  <iant@google.com>
8035
8036         * archive.cc (Archive::add_symbols): Check for a version attached
8037         to the symbol name in the archive map.
8038         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8039         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8040         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8041         (ver_test_11.a): New target.
8042         * testsuite/Makefile.in: Rebuild.
8043
8044         * configure.ac: Check for chsize and posix_fallocate.  Replace
8045         ftruncate.
8046         * ftruncate.c: New file, from gnulib.
8047         * output.cc (posix_fallocate): Define dummy version if not
8048         HAVE_POSIX_FALLOCATE.
8049         (Output_file::map): Call posix_fallocate rather than lseek and
8050         write.
8051         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8052         * configure, Makefile.in, config.in: Rebuild.
8053
8054 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8055
8056         * layout.h (Layout::create_note): Add section_name parameter.
8057         * layout.cc (Layout::create_note): Likewise.
8058         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8059
8060 2009-03-17  Ian Lance Taylor  <iant@google.com>
8061
8062         * descriptors.cc: Include "options.h".
8063         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8064         (Descriptors::open): Always use O_CLOEXEC when opening a new
8065         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8066         then set FD_CLOEXEC.
8067
8068         * sparc.cc (class Target_sparc): Add has_got_section.
8069         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8070         make sure we have a GOT section.
8071
8072         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8073         (Target_sparc::Scan::local): Likewise.
8074         (Target_sparc::Scan::global): Likewise.
8075         (Target_sparc::Relocate::relocate): Likewise.
8076         (Target_sparc::Relocate::relocate_tls): Likewise.
8077
8078         * symtab.cc (Symbol_table::define_default_version): New function,
8079         broken out of add_from_object.
8080         (Symbol_table::add_from_object): Call define_default_version.
8081         (Symbol_table::define_special_symbol): Add resolve_oldsym
8082         parameter.  Change all callers.  If the version for a symbol comes
8083         from a version script, resolve it with the symbol with the same
8084         name with no version.  Also add the symbol without a version if
8085         appropriate.
8086         (do_define_in_output_data): If resolving with oldsym, don't delete
8087         sym.
8088         (do_define_in_output_segment): Likewise.
8089         (do_define_as_constant): Likewise.
8090         * symtab.h (class Symbol_table): Update declarations.
8091
8092 2009-03-13  Ian Lance Taylor  <iant@google.com>
8093
8094         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8095         (Read_symbols::requeue): New function.
8096         (Read_symbols::do_read_symbols): If make_elf_object fails because
8097         the target type is not configured, and the file was searched for,
8098         issue a warning and retry with the next directory.
8099         (Add_symbols::run): If the file has an incompatible format, and
8100         it was searched for, requeue the Read_symbols task.  On error,
8101         release the object.
8102         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8103         dirindex parameter to constructor.  Change all callers.  Declare
8104         incompatible_warning and requeue.
8105         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8106         input_argument_ and input_group_ fields.  Add them to
8107         constructor.  Change all callers.
8108         (class Read_script): Add dirindex_ field.  Add it to constructor.
8109         Change all callers.
8110         * archive.cc (Archive::setup): Remove input_objects parameter.
8111         Change all callers.
8112         (Archive::get_file_and_offset): Likewise.
8113         (Archive::read_all_symbols): Likewise.
8114         (Archive::read_symbols): Likewise.
8115         (Archive::get_elf_object_for_member): Remove input_objects
8116         parameter.  Add punconfigured parameter.  Change all callers.
8117         (Archive::add_symbols): Change return type to bool.  Check return
8118         value of include_member.
8119         (Archive::include_all_members): Likewise.
8120         (Archive::include_member): Change return type to bool.  Return
8121         false if first included object has incompatible target.  Set
8122         included_member_ field.
8123         (Add_archive_symbols::run): If add_symbols returns false, requeue
8124         Read_symbols task.
8125         * archive.h (class Archive): Add included_member_ field.
8126         Initialize it in constructor.  Add input_file and searched_for
8127         methods.  Update declarations.
8128         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8129         input_argument_ fields.  Add them to constructor.  Change all
8130         callers.
8131         * script.cc: Include "target-select.h".
8132         (class Parser_closure): Add skip_on_incompatible_target_ and
8133         found_incompatible_target_ fields.  Add
8134         skip_on_incompatible_target parameter to constructor.  Change all
8135         callers.  Add methods skip_on_incompatible_target,
8136         clear_skip_on_incompatible_target, found_incompatible_target, and
8137         set_found_incompatible_target.
8138         (read_input_script): Add dirindex parameter.  Change all callers.
8139         If parser finds an incompatible target, requeue Read_symbols
8140         task.
8141         (script_set_symbol): Clear skip_on_incompatible_target in
8142         closure.
8143         (script_add_assertion, script_parse_option): Likewise.
8144         (script_start_sections, script_add_phdr): Likewise.
8145         (script_check_output_format): New function.
8146         * script.h (read_input_script): Update declaration.
8147         * script-c.h (script_check_output_format): Declare.
8148         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8149         (ignore_cmd): Remove OUTPUT_FORMAT.
8150         * fileread.cc (Input_file::Input_file): Add explicit this.
8151         (Input_file::will_search_for): New function.
8152         (Input_file::open): Add pindex parameter.  Change all callers.
8153         * fileread.h (class Input_file): Add input_file_argument method.
8154         Declare will_search_for.  Update declarations.
8155         * object.cc (make_elf_object): Add punconfigured parameter.
8156         Change all callers.
8157         * object.h (class Object): Make input_file public.  Add
8158         searched_for method.
8159         (make_elf_object): Update declaration.
8160         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8161         restart search.
8162         * dirsearch.h (class Dirsearch): Update declaration.
8163         * options.h (class General_options): Add --warn-search-mismatch.
8164         * parameters.cc (Parameters::is_compatible_target): New function.
8165         * parameters.h (class Parameters): Declare is_compatible_target.
8166         * workqueue.cc (Workqueue::add_blocker): New function.
8167         * workqueue.h (class Workqueue): Declare add_blocker.
8168
8169         * fileread.cc (Input_file::open): Remove options parameter.
8170         Change all callers.
8171         (Input_file::open_binary): Likewise.
8172         * script.cc (read_input_script): Likewise.
8173         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8174         options parameter from constructor.  Change all callers.
8175         (class Read_script): Likewise.
8176         * fileread.h (class Input_file): Update declarations.
8177         * script.h (read_input_script): Update declaration.
8178
8179 2009-03-10  Nick Clifton  <nickc@redhat.com>
8180
8181         * po/es.po: New Spanish translation.
8182
8183 2009-03-06  Cary Coutant  <ccoutant@google.com>
8184
8185         * options.cc (parse_short_option): Keep dash_z from registering itself.
8186
8187 2009-03-03  Ian Lance Taylor  <iant@google.com>
8188
8189         PR 9918
8190         * target-reloc.h (relocate_section): Pass output_section to
8191         relocate.
8192         * i386.cc (Target_i386::should_apply_static_reloc): Add
8193         output_section parameter.  Change all callers.
8194         (Target_i386::Relocate::relocate): Add output_section parameter.
8195         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8196         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8197         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8198         * testsuite/two_file_shared.sh: New script.
8199         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8200         (check_DATA): Add two_file_shared.dbg.
8201         (two_file_shared.dbg): New target.
8202         * testsuite/Makefile.in: Rebuild.
8203
8204 2009-03-01  Ian Lance Taylor  <iant@google.com>
8205
8206         * configure.ac: Check for byteswap.h.
8207         * configure: Rebuild.
8208         * config.in: Rebuild.
8209
8210 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8211
8212         * layout.cc (Layout::find_or_add_kept_section): New function.
8213         (Layout::add_comdat): Removed.
8214         * layout.h (struct Kept_section): Move out of class Layout.
8215         Remove trailing underscores from field names.  Add group_sections
8216         field.  Rename group_ field to is_group.  Change all uses.
8217         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8218         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8219         comdat_groups_ field.
8220         (Sized_relobj::include_section_group): Use
8221         find_or_add_kept_section and Kept_section::group_sections.
8222         (Sized_relobj::include_linkonce_section): Likewise.
8223         * object.cc (class Sized_relobj): Don't define Comdat_group or
8224         Comdat_group_table.  Remove find_comdat_group and
8225         add_comdat_group.  Remove comdat_groups_ field.
8226         * plugin.cc (include_comdat_group): Use
8227         Layout::find_or_add_kept_section.
8228
8229 2009-02-28  Ian Lance Taylor  <iant@google.com>
8230
8231         * README: --gc-sections and map files are now supported.  Document
8232         some build requirements.
8233
8234         PR 6992
8235         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8236         relocatable link set the value of the section symbol to zero.
8237         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8238         relocatable link don't include the section address in the local
8239         symbol value.
8240
8241 2009-02-27  Ian Lance Taylor  <iant@google.com>
8242
8243         PR 6811
8244         * options.h (class Search_directory): Add is_system_directory.
8245         (class General_options): Declare is_in_system_directory.
8246         * options.cc (get_relative_sysroot): Make static.
8247         (get_default_sysroot): Make static.
8248         (General_optoins::is_in_system_directory): New function.
8249         * fileread.cc (Input_file::is_in_system_directory): New function.
8250         * fileread.h (class Input_file): Declare is_in_system_directory.
8251         * object.h (class Object): Add is_in_system_directory.
8252         (class Input_objects): Remove system_library_directory_ field.
8253         * object.cc (Input_objects::add_object): Don't set
8254         system_library_directory_.
8255         (input_objects::found_in_system_library_directory): Remove.
8256         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8257         parameter.  Change all callers.
8258         (Symbol_table::sized_write_globals): Likewise.
8259         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8260         Call Object::is_in_system_directory.
8261         * symtab.h (class Symbol_table): Update declarations.
8262
8263         PR 5990
8264         * descriptors.h (Open_descriptor): Add is_on_stack field.
8265         * descriptors.cc (Descriptors::open): If the descriptor is on the
8266         top of the stack, remove it.  Initialize is_on_stack field.
8267         (Descriptors::release): Only add pod to stack if it is not on the
8268         stack already.
8269         (Descriptors::close_some_descriptor): Clear stack_next and
8270         is_on_stack fields.
8271
8272         PR 7091
8273         * output.cc (Output_section::find_starting_output_address): Rename
8274         from starting_output_address; add PADDR parameter; change return
8275         type.
8276         * output.h (class Output_section): Declare
8277         find_starting_output_address instead of starting_output_address.
8278         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8279         section symbol for which we can't find a merge section.
8280
8281         PR 9836
8282         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8283         hidden or internal, force the symbol to be local.
8284         * resolve.cc (Symbol::override_visibility): Define.
8285         (Symbol::override_base): Use override_visibility.
8286         (Symbol_table::resolve): Likewise.
8287         (Symbol::override_base_with_special): Likewise.
8288         (Symbol_table::override_with_special): If the visibility is hidden
8289         or internal, force the symbol to be local.
8290         * symtab.h (class Symbol): Add set_visibility and
8291         override_visibility.
8292         * testsuite/ver_test_1.sh: New file.
8293         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8294         (check_DATA): Add ver_test_1.syms.
8295         (ver_test_1.syms): New target.
8296         * testsuite/Makefile.in: Rebuild.
8297
8298 2009-02-25  Cary Coutant  <ccoutant@google.com>
8299
8300         * layout.cc (Layout::choose_output_section): Don't rename sections
8301         when using a linker script that has a SECTIONS clause.
8302         * Makefile.in: Regenerate.
8303
8304         * testsuite/Makefile.am (script_test_5.sh): New test case.
8305         * testsuite/Makefile.in: Regenerate.
8306         * testsuite/script_test_5.cc: New file.
8307         * testsuite/script_test_5.sh: New file.
8308         * testsuite/script_test_5.t: New file.
8309
8310 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8311
8312         * archive.cc (Archive::include_member): Update calls to add_symbols.
8313         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8314         the Layout argument.
8315         * dynobj.h (do_add_symbols): Add the Layout argument.
8316         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8317         Layout argument.
8318         * object.h (Object::add_symbols): Add the Layout argument.
8319         (Object::do_add_symbols): Add the Layout argument.
8320         (Sized_relobj::do_add_symbols): Add the Layout argument.
8321         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8322         Unify the two versions.
8323         (Add_plugin_symbols): Remove.
8324         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8325         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8326         (Add_plugin_symbols): Remove.
8327         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8328         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8329         (Add_symbols::run): Make it work with Pulginobj.
8330
8331 2009-02-06  Ian Lance Taylor  <iant@google.com>
8332
8333         * object.cc (Sized_relobj::do_layout): Make info message start
8334         with lower case letter.
8335
8336 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8337
8338         * binary.cc: Fix file comment.
8339
8340         * options.h (enum Incremental_disposition): Define.
8341         (class General_options): Add new options: --incremental,
8342         --incremental_changed, --incremental_unchanged,
8343         --incremental_unknown.  Add incremental_disposition_ and
8344         implicit_incremental_ fields.
8345         (General_options::incremental_disposition): New function.
8346         (class Position_dependent_options): Add incremental_disposition
8347         option.
8348         (Position_dependent_options::copy_from_options): Set incremental
8349         dispositions.
8350         * options.cc (General_options::parse_incremental_changed): New
8351         function.
8352         (General_options::parse_incremental_unchanged): New function.
8353         (General_options::parse_incremental_unknown): New function.
8354         (General_options::General_options): Initialize new fields
8355         incremental_disposition_ and implicit_incremental_.
8356         (General_options::finalize): Check for uasge of --incremental-*
8357         without --incremental.
8358
8359 2009-02-06  Chris Demetriou  <cgd@google.com>
8360
8361         * gold.h (gold_undefined_symbol): Change to take only a Symbol
8362         pointer and to report location as the file name associated with
8363         the symbol.
8364         (gold_undefined_symbol_at_location): New function to replace the
8365         old gold_undefined_symbol functionality.
8366         * target-reloc.h (relocate_section): Update to use
8367         gold_undefined_symbol_at_location.
8368         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8369         Call gold_undefined_symbol function rather than gold_error.
8370         * errors.h (Errors::undefined_symbol): Take location as a
8371         string, rather than calculating it from a relocation.
8372         * errors.cc (Errors::fatal): Print "fatal error:" before the
8373         formatted message.
8374         (Errors::error, Errors::error_at_location): Print "error: "
8375         before the formatted message.
8376         (Errors::undefined_symbol): Take location as a string, rather
8377         than calculating it from a relocation.
8378         (gold_undefined_symbol_at_location): New function akin to
8379         old gold_undefined_symbol, calculates location from relocation.
8380         (gold_undefined_symbol): Change to take only a Symbol pointer
8381         and to report location as the file name associated with the symbol.
8382         * testsuite/debug_msg.sh: Update for changed error messages.
8383         * testsuite/undef_symbol.sh: Likewise.
8384
8385 2009-02-04  Duncan Sands  <baldrick@free.fr>
8386
8387         PR 9812
8388         * reduced_debug_output.h
8389         (Output_reduced_debug_abbrev_section::failed): Use format for
8390         gold_warning.
8391         (Output_reduced_debug_info_section::faild): Likewise.
8392
8393 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
8394
8395         * script.cc (Lazy_demangler): New class.
8396         (Version_script_info::get_symbol_version_helper): Demangle a
8397         symbol only once.
8398
8399 2009-01-29  Cary Coutant  <ccoutant@google.com>
8400
8401         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
8402         to __tls_get_addr.
8403         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8404
8405 2009-01-28  Ian Lance Taylor  <iant@google.com>
8406
8407         * version.cc (version_string): Bump to 1.9.
8408
8409         * gold.h: Include <cstring> and <stdint.h>.
8410         * version.cc: Include <cstdio>.
8411         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
8412         warning.
8413         * reduced_debug_output.cc (insert_into_vector): Rename from
8414         Insert_into_vector; change all callers.  Use Swap_unaligned to
8415         avoid aliasing issue; remove union since it is unnecessary.
8416
8417 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
8418
8419         * Makefile.am (CCFILES): Add gc.cc.
8420         (HFILES): Add gc.h.
8421         * Makefile.in: Regenerate.
8422         * gold.cc (Gc_runner): New class.
8423         (queue_initial_tasks): Call garbage collection related tasks
8424         when corresponding options are invoked.
8425         (queue_middle_gc_tasks): New function.
8426         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
8427         processed early before laying out sections during garbage collection.
8428         * gold.h (queue_middle_gc_tasks): New function.
8429         (is_prefix_of): Move from "layout.cc".
8430         * i386.cc (Target_i386::gc_process_relocs): New function.
8431         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
8432         * main.cc (main): Create object of class "Garbage_collection".
8433         * object.cc (Relobj::copy_symbols_data): New function.
8434         (Relobj::is_section_name_included): New function.
8435         (Sized_relobj::do_layout): Allow this function to be called twice
8436         during garbage collection and defer layout of section during the
8437         first call.
8438         * object.h (Relobj::get_symbols_data): New function.
8439         (Relobj::is_section_name_included): New function.
8440         (Relobj::copy_symbols_data): New function.
8441         (Relobj::set_symbols_data): New function.
8442         (Relobj::get_relocs_data): New function.
8443         (Relobj::set_relocs_data): New function.
8444         (Relobj::is_output_section_offset_invalid): New pure virtual function.
8445         (Relobj::gc_process_relocs): New function.
8446         (Relobj::do_gc_process_relocs): New pure virtual function.
8447         (Relobj::sd_): New data member.
8448         (Sized_relobj::is_output_section_offset_invalid): New function.
8449         (Sized_relobj::do_gc_process_relocs): New function.
8450         * options.h (General_options::gc_sections): Modify to not be a no-op.
8451         (General_options::print_gc_sections): New option.
8452         * plugin.cc (Plugin_finish::run): Remove function call to
8453         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
8454         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
8455         * reloc.cc (Read_relocs::run): Add task to process relocs and
8456         determine unreferenced sections when doing garbage collection.
8457         (Gc_process_relocs): New class.
8458         (Sized_relobj::do_gc_process_relocs): New function.
8459         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
8460         sections that are garbage collected.
8461         * reloc.h (Gc_process_relocs): New class.
8462         * sparc.cc (Target_sparc::gc_process_relocs): New function.
8463         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
8464         symbols whose corresponding sections are garbage collected.
8465         (Symbol_table::Symbol_table): Add new parameter for the garbage
8466         collection object.
8467         (Symbol_table::gc_mark_undef_symbols): New function.
8468         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8469         (Symbol_table::gc_mark_dyn_syms): New function.
8470         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
8471         as garbage.
8472         (Symbol_table::add_from_object): Likewise.
8473         (Symbol_table::add_from_relobj): When building shared objects, do not
8474         treat externally visible symbols as garbage.
8475         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
8476         table information for static and relocatable links.
8477         * symtab.h (Symbol_table::set_gc): New function.
8478         (Symbol_table::gc): New function.
8479         (Symbol_table::gc_mark_undef_symbols): New function.
8480         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8481         (Symbol_table::gc_mark_dyn_syms): New function.
8482         (Symbol_table::gc_): New data member.
8483         * target.h (Sized_target::gc_process_relocs): New pure virtual
8484         function.
8485         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
8486         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
8487
8488 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
8489
8490         * options.h (General_options::gc_sections): Define as a no-op for now.
8491         (General_options::no_keep_memory): Ditto.
8492         (General_options::Bshareable): Define.
8493         * options.cc (General_options::finalize): Honor -Bshareable.
8494
8495 2009-01-20  Andreas Schwab  <schwab@suse.de>
8496
8497         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
8498         read the value in the contents, since we don't use it.  Use the
8499         template endianness when writing.
8500         (Relocate::relocate): Use it for R_PPC_REL16_HA.
8501
8502 2009-01-19  Andreas Schwab  <schwab@suse.de>
8503
8504         * configure.tgt (powerpc64-*): Fix targ_obj.
8505
8506 2009-01-15  Ian Lance Taylor  <iant@google.com>
8507
8508         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8509         local symbols when stripping all symbols.
8510
8511 2009-01-14  Cary Coutant  <ccoutant@google.com>
8512
8513         * output.cc (Output_reloc): Add explicit instantiations.
8514
8515 2009-01-14  Cary Coutant  <ccoutant@google.com>
8516
8517         * archive.cc (Archive::get_elf_object_for_member): Remove call
8518         to File_read::claim_for_plugin.
8519         * descriptors.cc (Descriptors::open): Remove reference to
8520         is_claimed.
8521         (Descriptors::claim_for_plugin): Remove.
8522         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8523         (Descriptors::is_claimed): Remove.
8524         (claim_descriptor_for_plugin): Remove.
8525         * fileread.cc (File_read::claim_for_plugin): Remove.
8526         * fileread.h (File_read::claim_for_plugin): Remove.
8527         (File_read::descriptor): Reopen descriptor if necessary.
8528         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8529         (Plugin_manager::all_symbols_read): Add task parameter. Change
8530         all callers.
8531         (Plugin_manager::get_input_file): New function.
8532         (Plugin_manager::release_input_file): New function.
8533         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8534         corresponding data member.
8535         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8536         and pass to base constructor. Change all callers.
8537         (get_input_file, release_input_file): New functions.
8538         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8539         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8540         (Plugin_manager::all_symbols_read): Add task parameter.
8541         (Plugin_manager::get_input_file): New function.
8542         (Plugin_manager::release_input_file): New function.
8543         (Plugin_manager::task_): New data member.
8544         (Pluginobj::Pluginobj): Add filesize parameter.
8545         (Pluginobj::filename): New function.
8546         (Pluginobj::descriptor): New function.
8547         (Pluginobj::filesize): New function.
8548         (Pluginobj::filesize_): New data member.
8549         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8550         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8551         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8552
8553         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8554         with archive libraries.
8555         * testsuite/Makefile.in: Regenerate.
8556         * testsuite/plugin_test.c (struct sym_info): New type.
8557         (get_input_file, release_input_file): New static variables.
8558         (onload): Capture new transfer vector entries.
8559         (claim_file_hook): Stop reading at end of file according to filesize.
8560         Factor out parsing of readelf output into separate function.
8561         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8562         APIs and get the source file name from the symbol table.  Convert
8563         source file name to corresponding object file name.  Print info
8564         message when adding new input files.
8565         (parse_readelf_line): New function.
8566         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8567         * testsuite/plugin_test_2.sh: Likewise.
8568         * testsuite/plugin_test_3.sh: Likewise.
8569         * testsuite/plugin_test_4.sh: New test case.
8570
8571 2009-01-07  Ian Lance Taylor  <iant@google.com>
8572
8573         * version.cc (version_string): Bump to 1.8.
8574
8575 2008-12-23  Cary Coutant  <ccoutant@google.com>
8576
8577         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8578         * plugin.cc (Plugin_manager::finish): Rename as
8579         layout_deferred_objects.  Move cleanup to separate function.
8580         (Plugin_manager::cleanup): New function.
8581         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8582         separately.
8583         * plugin.h (Plugin_manager::finish): Rename as
8584         layout_deferred_objects.
8585         (Plugin_manager::cleanup): New function.
8586         (Plugin_manager::cleanup_done): New field.
8587
8588 2008-12-23  Cary Coutant  <ccoutant@google.com>
8589
8590         * plugin.cc (is_visible_from_outside): New function.
8591         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8592         so we don't return "IR only" status for exported symbols or -r links.
8593
8594         * testsuite/Makefile.am (plugin_test_3): New test case.
8595         * testsuite/Makefile.in: Regenerate.
8596         * testsuite/plugin_test_3.sh: New file.
8597
8598 2008-12-22  Cary Coutant  <ccoutant@google.com>
8599
8600         * object.cc (Sized_relobj::layout_section): New function.
8601         (Sized_relobj::do_layout): Defer layout of input sections until after
8602         plugin has provided replacement files.
8603         (Sized_relobj::do_layout_deferred_sections): New function.
8604         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8605         (Relobj::layout_deferred_sections): New function.
8606         (Relobj::do_layout_deferred_sections): New function.
8607         (Sized_relobj::do_layout_deferred_sections): New function.
8608         (Sized_relobj::layout_section): New function.
8609         (Sized_relobj::Deferred_layout): New structure.
8610         (Sized_relobj::deferred_layout_): New field.
8611         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8612         Change all callers.  Layout deferred sections.
8613         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8614         references.
8615         (Plugin_hook::run): Move code from do_plugin_hook inline.
8616         (Plugin_hook::do_plugin_hook): Remove.
8617         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8618         (Plugin_manager::finish): Renamed, was cleanup.
8619         (Plugin_manager::should_defer_layout): New function.
8620         (Plugin_manager::add_deferred_layout_object): New function.
8621         (Plugin_manager::Deferred_layout_list): New type.
8622         (Plugin_manager::deferred_layout_objects_): New field.
8623         (Plugin_hook::do_plugin_hook): Remove.
8624
8625 2008-12-17  Ian Lance Taylor  <iant@google.com>
8626
8627         * options.h (class General_options): Add --no case for
8628         --export-dynamic.
8629
8630 2008-12-16  Cary Coutant  <ccoutant@google.com>
8631
8632         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8633         vector.
8634         (Plugin_manager::claim_file): Create plugin object even if
8635         plugin did not call the add_symbols callback.
8636         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8637         asking for more symbols than were added.
8638         * testsuite/Makefile.am (plugin_test_1): Add test case with
8639         no global symbols.
8640         (empty.syms): New target.
8641         * testsuite/Makefile.in: Regenerate.
8642         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8643         message. Don't call add_symbols if no globals.
8644         (all_symbols_read_hook): Don't provide replacement for empty
8645         claimed file.
8646
8647 2008-12-12  Ian Lance Taylor  <iant@google.com>
8648
8649         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8650         r_type == 0 for a local symbol with r_sym == 0.
8651         (scan_relocatable_relocs): Pass r_sym to
8652         local_non_section_strategy.
8653         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8654         r_sym parameter.
8655
8656         * configure.ac: Update test for TLS descriptors: they are
8657         supported as of glibc 2.9.
8658         * configure: Rebuild.
8659
8660 2008-12-11  Ian Lance Taylor  <iant@google.com>
8661
8662         PR 7091
8663         * target-reloc.h (Default_scan_relocatable_relocs): For each
8664         function, map r_type == 0 to RELOC_DISCARD.
8665
8666 2008-12-10  Cary Coutant  <ccoutant@google.com>
8667
8668         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8669         object to override a kept COMDAT group from a plugin object.
8670
8671 2008-12-09  Ian Lance Taylor  <iant@google.com>
8672
8673         PR 7088
8674         * yyscript.y (file_cmd): Handle INPUT.
8675
8676         * testsuite/initpri1.c: Change all declarations to be full
8677         prototypes by adding void, to avoid compiler warnings.
8678
8679 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8680
8681         * options.cc (General_options::parse_plugin_opt): New.
8682         (General_options::add_plugin): The argument now is just the filename.
8683         (General_options::add_plugin_option): New.
8684         * options.h (plugin_opt): New.
8685         (add_plugin): Change argument name.
8686         (add_plugin_option): New.
8687         * plugin.cc (Plugin::load): Don't parse the plugin option.
8688         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8689         (Plugin::add_option): New.
8690         (Plugin::args_): Change type.
8691         (Plugin::filename_): New.
8692         (Plugin_manager::add_plugin_option): New.
8693         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8694         * testsuite/Makefile.in: Regenerate.
8695
8696 2008-12-05  Cary Coutant  <ccoutant@google.com>
8697
8698         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8699         Handle --strip-lto-sections option.
8700         * options.h (strip_lto_sections): New option.
8701
8702 2008-12-01  Cary Coutant  <ccoutant@google.com>
8703
8704         * plugin.cc (ld_plugin_message): Change format parameter to const.
8705         Fix mismatch between new[] and delete.
8706
8707 2008-11-14  Cary Coutant  <ccoutant@google.com>
8708
8709         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8710         instead of -1U.
8711
8712 2008-11-05  Craig Silverstein  <csilvers@google.com>
8713
8714         * options.cc (General_options::parse_dynamic_list): New function.
8715         * options.h (General_options): New flags dynamic_list,
8716         dynamic_list_data, dynamic_list_cpp_new, and
8717         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8718         (General_options::in_dynamic_list): New function.
8719         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8720         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8721         (Lex::can_continue_name): Likewise.
8722         (yylex): Likewise.
8723         (read_script_file): New parameter script_options.
8724         (read_dynamic_list): New function.
8725         (Script_options::define_dynamic_list): New function.
8726         (dynamic_list_keyword_parsecodes): New variable.
8727         (dynamic_list_keywords): New variable.
8728         * script.h (Script_options::define_dynamic_list): New function
8729         prototype.
8730         (read_dynamic_list): New function prototype.
8731         * symtab.cc (strprefix): New macro.
8732         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8733         dynamic_list_data, dynamic_list_cpp_new, and
8734         dynamic_list_cpp_typeinfo.
8735         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8736         (dynamic_list_expr): New rule.
8737         (dynamic_list_nodes): Likewise.
8738         (dynamic_list_node): Likewise.
8739         * testsuite/Makefile.am (dynamic_list): New test.
8740         * testsuite/Makefile.in: Regenerated.
8741         * testsuite/dynamic_list.t: New file.
8742         * testsuite/dynamic_list.sh: New file.
8743
8744 2008-11-05  Craig Silverstein  <csilvers@google.com>
8745
8746         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8747         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8748         (t11_last): Likewise.
8749         * testsuite/ver_test_6.c (main): Likewise.
8750
8751 2008-10-07  Cary Coutant  <ccoutant@google.com>
8752
8753         * options.c (General_options::finalize): Add check for -static and
8754         -shared.
8755         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8756         is not empty.
8757
8758 2008-10-02  Cary Coutant  <ccoutant@google.com>
8759
8760         * plugin.cc (make_sized_plugin_object): Fix conditional
8761         compilation to work when not all targets are enabled.
8762
8763 2008-09-29  Cary Coutant  <ccoutant@google.com>
8764
8765         * archive.cc (Archive::get_file_and_offset): Use filename instead
8766         of name to get library path.
8767         (Archive::include_member): Unlock external member of a thin archive.
8768
8769         * testsuite/Makefile.am (TEST_AR): New variable.
8770         (thin_archive_test_1): New test.
8771         (thin_archive_test_2): New test.
8772         * testsuite/Makefile.in: Regenerate.
8773         * testsuite/thin_archive_main.cc: New file.
8774         * testsuite/thin_archive_test_1.cc: New file.
8775         * testsuite/thin_archive_test_2.cc: New file.
8776         * testsuite/thin_archive_test_3.cc: New file.
8777         * testsuite/thin_archive_test_4.cc: New file.
8778
8779 2008-09-29  Cary Coutant  <ccoutant@google.com>
8780
8781         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8782         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8783         instead of -1U.
8784         (Sized_relobj::do_finalize_local_symbols): Likewise.
8785         (Sized_relobj::map_to_kept_section): Likewise.
8786         * object.h (Sized_relobj::invalid_address): New constant.
8787         (Sized_relobj::do_output_section_offset): Check for invalid_address
8788         and return -1ULL.
8789         * output.cc (Output_reloc::local_section_offset): Use constant
8790         invalid_address instead of -1U.
8791         (Output_reloc::get_address): Likewise.
8792         (Output_section::output_address): Change -1U to -1ULL.
8793         * output.h (Output_reloc::invalid_address): New constant.
8794         * reloc.cc (Sized_relobj::write_sections): Use constant
8795         invalid_address instead of -1U.
8796         (Sized_relobj::relocate_sections): Likewise.
8797         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8798         values for merge sections.
8799         * target-reloc.h (relocate_for_relocatable): Use constant
8800         invalid_address instead of -1U.
8801
8802 2008-09-19  Cary Coutant  <ccoutant@google.com>
8803
8804         Add plugin functionality for link-time optimization (LTO).
8805         * configure.ac (plugins): Add --enable-plugins option.
8806         * configure: Regenerate.
8807         * config.in: Regenerate.
8808         * Makefile.am (LIBDL): New variable.
8809         (CCFILES): Add plugin.cc.
8810         (HFILES): Add plugin.h.
8811         (ldadd_var): Add LIBDL.
8812         * Makefile.in: Regenerate.
8813
8814         * archive.cc: Include "plugin.h".
8815         (Archive::setup): Don't preread archive symbols when using a plugin.
8816         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
8817         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
8818         files.
8819         (Archive::include_member): Add symbols from plugin objects.
8820         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
8821         * descriptors.cc (Descriptors::open): Check for file descriptors
8822         abandoned by plugins.
8823         (Descriptors::claim_for_plugin): New function.
8824         * descriptors.h (Descriptors::claim_for_plugin): New function.
8825         (Open_descriptor::is_claimed): New field.
8826         (claim_descriptor_for_plugin): New function.
8827         * fileread.cc (File_read::claim_for_plugin): New function.
8828         * fileread.h (File_read::claim_for_plugin): New function.
8829         (File_read::descriptor): New function.
8830         * gold.cc: Include "plugin.h".
8831         (queue_initial_tasks): Add task to call plugin hooks for generating
8832         new object files.
8833         * main.cc: Include "plugin.h".
8834         (main): Load plugin libraries.
8835         * object.h (Pluginobj): Declare.
8836         (Object::pluginobj): New function.
8837         (Object::do_pluginobj): New function.
8838         (Object::set_target): New function.
8839         * options.cc: Include "plugin.h".
8840         (General_options::parse_plugin): New function.
8841         (General_options::General_options): Initialize plugins_ field.
8842         (General_options::add_plugin): New function.
8843         * options.h (Plugin_manager): Declare.
8844         (General_options): Add --plugin option.
8845         (General_options::has_plugins): New function.
8846         (General_options::plugins): New function.
8847         (General_options::add_plugin): New function.
8848         (General_options::plugins_): New field.
8849         * plugin.cc: New file.
8850         * plugin.h: New file.
8851         * readsyms.cc: Include "plugin.h".
8852         (Read_symbols::do_read_symbols): Check for archive before checking
8853         for ELF file.  Call plugin hooks to claim files.
8854         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
8855         from a real object file; force override when processing replacement
8856         files.
8857         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
8858         (Symbol::init_base_object): Likewise.
8859         (Symbol::init_base_output_data): Likewise.
8860         (Symbol::init_base_output_segment): Likewise.
8861         (Symbol::init_base_constant): Likewise.
8862         (Symbol::init_base_undefined): Likewise.
8863         (Symbol::output_section): Assert that object is not a plugin.
8864         (Symbol_table::add_from_pluginobj): New function.
8865         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
8866         undefined.
8867         (Symbol_table::sized_write_globals): Likewise.
8868         (Symbol_table::add_from_pluginobj): Instantiate template.
8869         * symtab.h (Sized_pluginobj): Declare.
8870         (Symbol::in_real_elf): New function.
8871         (Symbol::set_in_real_elf): New function.
8872         (Symbol::in_real_elf_): New field.
8873         (Symbol_table::add_from_pluginobj): New function.
8874
8875         * testsuite/Makefile.am (AM_CFLAGS): New variable.
8876         (LIBDL): New variable.
8877         (LDADD): Add LIBDL.
8878         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
8879         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
8880         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
8881         (MOSTLYCLEANFILES): Likewise.
8882         * testsuite/Makefile.in: Regenerate.
8883         * testsuite/plugin_test.c: New file.
8884         * testsuite/plugin_test_1.sh: New file.
8885         * testsuite/plugin_test_2.sh: New file.
8886
8887 2008-09-16  Ian Lance Taylor  <iant@google.com>
8888
8889         * target-reloc.h (relocate_section): Check whether a symbol is
8890         defined by the ABI before reporting an undefined symbol error.
8891         * target.h (Target::is_defined_by_abi): Make parameter const.
8892         (Target::do_is_defined_by_abi): Likewise.
8893         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
8894         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
8895         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
8896         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
8897         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
8898         * testsuite/Makefile.in: Rebuild.
8899
8900         * fileread.cc (make_view): Add casts to avoid warning.
8901
8902 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8903
8904         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
8905         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8906
8907 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8908
8909         * options.h (General_options::output_is_executable): New.
8910         (General_options::output_is_pie): New.
8911         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
8912         for shared libraries.
8913         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8914
8915 2008-09-11  Chris Demetriou  <cgd@google.com>
8916
8917         * options.h (origin): New -z option.
8918         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
8919         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
8920         in DT_FLAGS_1.
8921
8922 2008-09-05  Cary Coutant  <ccoutant@google.com>
8923
8924         * fileread.cc (File_read::make_view): Add check for attempt to map
8925         beyond end of file.
8926
8927 2008-09-05  Cary Coutant  <ccoutant@google.com>
8928
8929         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
8930         explicit instantiations.
8931
8932 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
8933
8934         PR gold/6858
8935         * options.cc (General_options::finalize): Allow undefined symbols
8936         in shlibs if linking -shared.
8937
8938         PR gold/6859
8939         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
8940         symbols as not needing a dynsym entry.
8941
8942 2008-08-20  Craig Silverstein  <csilvers@google.com>
8943
8944         * fileread.cc (File_read::open): Do not lock the file unless it
8945         was successfully opened.
8946
8947 2008-08-14  Cary Coutant  <ccoutant@google.com>
8948
8949         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
8950         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
8951         * testsuite/tls_test.cc (struct int128): 128-bit struct
8952         for testing TLS relocs with non-zero addend.
8953         (v12): New TLS variable.
8954         (t12): New test.
8955         (t_last): Add check for v12.
8956         * testsuite/tls_test.h (t12): New function.
8957         * testsuite/tls_test_main.cc (thread_routine): Call new test.
8958
8959 2008-08-13  Ian Lance Taylor  <iant@google.com>
8960
8961         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
8962         set tls_segment_ or relro_segment_.
8963         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
8964         when appropriate.
8965         * output.h (Output_section::clear_is_relro): New function.
8966         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
8967         sections specially even when output_data_ is empty.
8968         (Output_segment::maximum_alignment): When first section is relro,
8969         only force alignment for PT_LOAD segments.
8970         * script.cc (script_data_segment_align): New function.
8971         (script_data_segment_relro_end): New function.
8972         * script-c.h (script_data_segment_align): Declare.
8973         (script_data_segment_relro_end): Declare.
8974         * script-sections.h (class Script_sections): Declare
8975         data_segment_align and data_segment_relro_end.  Add fields
8976         segment_align_index_ and saw_relro_end_.
8977         * script-sections.cc (class Sections_element): Add set_is_relro
8978         virtual function.  Add new bool* parameter to place_orphan_here.
8979         Add get_output_section virtual function.
8980         (class Output_section_definition): Add set_is_relro.  Add new
8981         bool* parameter to place_orphan_here.  Add get_output_section.
8982         Add is_relro_ field.
8983         (Output_section_definition::Output_section_definition): Initialize
8984         evaluated_address_, evaluated_load_address, evaluated_addralign_,
8985         and is_relro_ fields.
8986         (Output_section_definition::place_orphan_here): Add is_relro
8987         parameter.
8988         (Output_section_definition::set_section_addresses): Set relro for
8989         output section.
8990         (Output_section_definition::alternate_constraint): Likewise.
8991         (class Orphan_output_section): Add new bool* parameter to
8992         place_orphan_here.  Add get_output_section.
8993         (Orphan_output_section::place_orphan_here): Add is_relro
8994         parameter.
8995         (Script_sections::Script_sections): Initialize
8996         data_segment_align_index_ and saw_relro_end_.
8997         (Script_sections::data_segment_align): New function.
8998         (Script_sections::data_segment_relro_end): New function.
8999         (Script_sections::place_orphan): Set or clear is_relro.
9000         (Script_sections::set_section_addresses): Force alignment of first
9001         TLS section.
9002         * yyscript.y (exp): Call script_data_segment_align and
9003         script_data_segment_relro_end.
9004         * testsuite/relro_script_test.t: New file.
9005         * testsuite/relro_test.cc (using_script): Declare.
9006         (t1, t2): Test using_script.
9007         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9008         (relro_script_test_SOURCES): Define.
9009         (relro_script_test_DEPENDENCIES): Define.
9010         (relro_script_test_LDFLAGS): Define.
9011         (relro_script_test_LDADD): Define.
9012         (relro_script_test.so): New target.
9013         * testsuite/Makefile.in: Rebuild.
9014
9015 2008-08-06  Cary Coutant <ccoutant@google.com>
9016
9017         * archive.cc (Archive::total_archives, Archive::total_members)
9018         (Archive::total_members_loaded): New variables.
9019         (Archive::setup): Add parameter.  Add option to preread
9020         archive symbols.
9021         (Archive::read_armap): Add counter.
9022         (Archive::get_file_and_offset): New function.
9023         (Archive::get_elf_object_for_member): New function.
9024         (Archive::read_all_symbols): New function.
9025         (Archive::read_symbols): New function.
9026         (Archive::add_symbols): Add counters.
9027         (Archive::include_all_members): Use armap to find members if it's
9028         already built.
9029         (Archive::include_member): Skip reading symbols if already read.
9030         Factored code into Archive::get_file_and_offset and
9031         Archive::get_elf_object_for_member.  Changed call to
9032         Mapfile::report_include_archive_member.
9033         (Archive::print_stats): New function.
9034         * archive.h: Declare Object and Read_symbols_data classes.
9035         (Archive::Archive): Add initializers for new members.
9036         (Archive::setup): Add parameter.
9037         (Archive::print_stats): New function.
9038         (Archive::total_archives, Archive::total_members)
9039         (Archive::total_members_loaded): New variables.
9040         (Archive::get_file_and_offset): New function.
9041         (Archive::get_elf_object_for_member): New function.
9042         (Archive::read_all_symbols): New function.
9043         (Archive::read_symbols): New function.
9044         (Archive::Archive_member): New class.
9045         (Archive::members_): New member.
9046         (Archive::num_members_): New member.
9047         * main.cc: Include archive.h.
9048         (main): Call Archive::print_stats.
9049         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9050         archive parameter; member_name is now the fully-decorated name.
9051         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9052         * options.h: (General_options): Add --preread-archive-symbols option.
9053         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9054         Archive::setup.
9055
9056 2008-08-04  Ian Lance Taylor  <iant@google.com>
9057
9058         * symtab.h (Symbol::use_plt_offset): New function.
9059         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9060         * powerpc.cc (Relocate::relocate): Likewise.
9061         * sparc.cc (Relocate::relocate): Likewise.
9062         * x86_64.cc (Relocate::relocate): Likewise.
9063         * testsuite/weak_plt.sh: New test.
9064         * testsuite/weak_plt_main.cc: New test.
9065         * testsuite/weak_plt_shared.cc: New test.
9066         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9067         (check_PROGRAMS): Add weak_plt.
9068         (check_DATA): Add weak_plt_shared.so.
9069         (weak_plt_main_pic.o, weak_plt): New targets.
9070         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9071         * testsuite/Makefile.in: Rebuild.
9072
9073         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9074         gcctestdir/ld.
9075         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9076         * testsuite/Makefile.in: Rebuild.
9077
9078 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9079
9080         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9081         * Makefile.in: Regenerate.
9082         * po/POTFILES.in: Regenerate.
9083
9084 2008-07-29  Ian Lance Taylor  <iant@google.com>
9085
9086         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9087         symbols before other symbols.
9088         * testsuite/script_test_2.cc (test_addr): Declare.
9089         (test_addr_alias): Declare.
9090         (main): Check that test_addr and test_addr_alias have the right
9091         values.
9092         * testsuite/script_test_2.t: Define test_addr_alias and
9093         test_addr.
9094
9095 2008-07-24  Ian Lance Taylor  <iant@google.com>
9096
9097         PR 5990
9098         * descriptors.cc: New file.
9099         * descriptors.h: New file.
9100         * gold-threads.h (class Hold_optional_lock): New class.
9101         * fileread.cc: Include "descriptors.h".
9102         (File_read::~File_read): Release descriptor rather than closing
9103         it.
9104         (File_read::open) [file]: Call open_descriptor rather than open.
9105         Set is_descriptor_opened_.
9106         (File_read::open) [memory]: Assert that descriptor is not open.
9107         (File_read::reopen_descriptor): New function.
9108         (File_read::release): Release descriptor.
9109         (File_read::do_read): Make non-const.  Reopen descriptor.
9110         (File_read::read): Make non-const.
9111         (File_read::make_view): Reopen descriptor.
9112         (File_read::do_readv): Likewise.
9113         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9114         Update declarations.
9115         * layout.cc: Include "descriptors.h".
9116         (Layout::create_build_id): Use open_descriptor rather than open.
9117         * output.cc: Include "descriptors.h".
9118         (Output_file::open): Use open_descriptor rather than open.
9119         * archive.cc (Archive::const_iterator): Change Archive to be
9120         non-const.
9121         (Archive::begin, Archive::end): Make non-const.
9122         (Archive::count_members): Likewise.
9123         * archive.h (class Archive): Update declarations.
9124         * object.h (Object::read): Make non-const.
9125         * Makefile.am (CCFILES): Add descriptors.cc.
9126         (HFILES): Add descriptors.h.
9127         * Makefile.in: Rebuild.
9128
9129         PR 6716
9130         * gold.h: Always include <clocale>.  Add Solaris workarounds
9131         following code in binutils/sysdep.h.
9132
9133         PR 6048
9134         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9135         this->eh_frame_hdr_ is NULL before using it.
9136
9137         * dynobj.cc (Versions::Versions): Update comment.
9138
9139         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9140         the base version name.
9141
9142         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9143         array size plus one.
9144         (Stringpool_template::set_string_offsets): Subtract one from key
9145         before using it as an array index.
9146         (Stringpool_template::get_offset_with_length): Likewise.
9147         (Stringpool_template::write_to_buffer): Likewise.
9148         * stringpool.h (Stringpool_template::get_offset_from_key):
9149         Likewise.
9150
9151 2008-07-23  Ian Lance Taylor  <iant@google.com>
9152
9153         PR 6658
9154         * object.h (Merged_symbol_value::value): Do our best to handle a
9155         negative addend.
9156
9157         PR 6647
9158         * script.cc (Version_script_info::get_versions): Don't add empty
9159         version tag to return value.
9160         (Version_script_info::get_symbol_version_helper): Change return
9161         type to bool.  Add pversion parameter.  Change all callers.
9162         (script_register_vers_node): Don't require a non-NULL tag.
9163         * script.h (class Version_script_info): Update declarations.
9164         (Version_script_info::get_symbol_version): Change return type to
9165         bool.  Add version parameter.  Change all callers.
9166         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9167         handling.  Handle an empty version from a version script.
9168         (Symbol_table::define_special_symbol): Likewise.
9169         * testsuite/ver_test_10.script: New file.
9170         * testsuite/ver_test_10.sh: New file.
9171         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9172         (check_DATA): Add ver_test_10.syms.
9173         (ver_test_10.syms, ver_test_10.so): New target.
9174         * testsuite/Makefile.in: Rebuild.
9175
9176 2008-07-23  Simon Baldwin  <simonb@google.com>
9177
9178         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9179         to zero for undefined symbols from dynamic libraries.
9180
9181 2008-07-23  Ian Lance Taylor  <iant@google.com>
9182
9183         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9184         Change all callers.
9185         * symtab.h (class Symbol_table): Update declaration.
9186         * testsuite/ver_test_9.cc: New file.
9187         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9188         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9189         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9190         (ver_test_9.so, ver_test_9.o): New targets.
9191         * testsuite/Makefile.in: Rebuild.
9192
9193 2008-07-22  Ian Lance Taylor  <iant@google.com>
9194
9195         * options.h (class General_options): Define --check-sections.
9196         * layout.cc (Layout::set_segment_offsets): Handle
9197         --check-sections.
9198
9199         * options.h (class General_options): Define -n/--nmagic and
9200         -N/--omagic.
9201         * options.cc (General_options::finalize): For -n/--nmagic or
9202         -N/--omagic, set -static.
9203         * layout.cc (Layout::attach_allocated_section_to_segment): If
9204         -N/--omagic, don't put read-only and read-write sections in
9205         different segments.
9206         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9207         finding a read-only segment.
9208         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9209         don't set the minimum segment alignment to the common page size,
9210         and don't set the file offset to the address modulo the page size.
9211         * script-sections.cc (Script_sections::create_segments): If
9212         -n/--omagic, don't put read-only and read-write sections in
9213         different segments.
9214
9215         * cref.cc: New file.
9216         * cref.h: New file.
9217         * options.h (class General_options): Add --print-symbol-counts.
9218         * main.cc (main): Issue defined symbol report if requested.
9219         * archive.cc (Archive::interpret_header): Make into a const member
9220         function.
9221         (Archive::add_symbols): Call Input_objects::archive_start and
9222         archive_stop.
9223         (Archive::const_iterator): Define new class.
9224         (Archive::begin, Archive::end): New functions.
9225         (Archive::include_all_members): Rewrite to use iterator.
9226         (Archive::count_members): New function.
9227         * archive.h (class Archive): Update declarations.
9228         (Archive::filename): New function.
9229         * object.cc: Include "cref.h".
9230         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9231         (Sized_relobj::do_get_global_symbol_counts): New function.
9232         (Input_objects::add_object): Add object to cross-referencer.
9233         (Input_objects::archive_start): New function.
9234         (Input_objects::archive_stop): New function.
9235         (Input_objects::print_symbol_counts): New function.
9236         * object.h: Declare Cref and Archive.
9237         (Object::get_global_symbol_counts): New function.
9238         (Object::do_get_global_symbol_counts): New pure virtual function.
9239         (class Sized_relobj): Add defined_count_ field.  Update
9240         declarations.
9241         (class Input_objects): Add cref_ field.  Update constructor.
9242         Update declarations.
9243         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9244         defined_count_.
9245         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9246         symbol counts.
9247         (Sized_dynobj::do_get_global_symbol_counts): New function.
9248         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9249         defined_count_.  Update declarations.  Define Symbols typedef.
9250         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9251         parameter.  Change all callers.
9252         (Symbol_table::add_from_dynobj): Add sympointers and defined
9253         parameters.  Change all callers.
9254         * symtab.h (class Symbol_table): Update declarations.
9255         * Makefile.am (CCFILES): Add cref.cc.
9256         (HFILES): Add cref.h.
9257         * Makefile.in: Rebuild.
9258
9259 2008-07-22  Simon Baldwin  <simonb@google.com>
9260
9261         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9262         to zero when writing undefined symbols.
9263
9264 2008-07-22  Ian Lance Taylor  <iant@google.com>
9265
9266         * output.cc (Output_section::add_input_section): Don't try to
9267         merge empty merge sections.
9268
9269 2008-07-21  Craig Silverstein  <csilvers@google.com>
9270
9271         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9272         Include symbol version in error message.
9273
9274 2008-07-20  Chris Demetriou  <cgd@google.com>
9275
9276         * configure.ac (gold_cv_c_random_seed): New configured variable.
9277         (RANDOM_SEED_CFLAGS): New substituted variable.
9278         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9279         * configure: Rebuild.
9280         * Makefile.in: Likewise.
9281         * testsuite/Makefile.in: Likewise.
9282
9283 2008-07-18  Ian Lance Taylor  <iant@google.com>
9284
9285         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9286         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9287         * testsuite/ver_test_main.cc (main): Call t4.
9288         (t4, t4_2a): Define.
9289         * testsuite/ver_test_2.cc (t4_2): Define.
9290         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9291         * testsuite/ver_test_4.cc (t4_2a): Define.
9292         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9293         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9294
9295 2008-07-17  Ian Lance Taylor  <iant@google.com>
9296
9297         * dynobj.cc (Versions::add_def): If we give an error about a
9298         missing version, go ahead and create the version anyhow.
9299
9300 2008-07-10  Ian Lance Taylor  <iant@google.com>
9301
9302         Handle output sections with more than 0x7fffffff bytes.
9303         * object.h (class Relobj): Change map_to_output_ to
9304         output_sections_, and just keep a section pointer.  Change all
9305         uses.  Move comdat group support to Sized_relobj.
9306         (Relobj::is_section_specially_mapped): Remove.
9307         (Relobj::output_section): Remove poff parameter.  Change all
9308         callers.
9309         (Relobj::output_section_offset): New function.
9310         (Relobj::set_section_offset): Rewrite.
9311         (Relobj::map_to_output): Remove.
9312         (Relobj::output_sections): New function.
9313         (Relobj::do_output_section_offset): New pure virtual function.
9314         (Relobj::do_set_section_offset): Likewise.
9315         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9316         group support from Relobj.  Update declarations.
9317         (Sized_relobj::get_output_section_offset): New function.
9318         (Sized_relobj::do_output_section_offset): New function.
9319         (Sized_relobj::do_set_section_offset): New function.
9320         * object.cc (Relobj::output_section_address): Remove.
9321         (Sized_relobj::Sized_relobj): Initialize new fields.
9322         (Sized_relobj::include_section_group): Cast find_kept_object to
9323         Sized_relobj.
9324         (Sized_relobj::include_linkonce_section): Likewise.
9325         (Sized_relobj::do_layout): Use separate arrays for output section
9326         and output offset.
9327         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9328         output_sections.
9329         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9330         output_sections and section_offsets.
9331         (Sized_relobj::write_local_symbols): Likewise.
9332         (map_to_kept_section): Compute output address directly.
9333         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9334         output_sections and section_offsets.
9335         (Sized_relobj::write_sections): Likewise.
9336         (Sized_relobj::relocate_sections): Likewise.
9337         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9338         * output.h (class Output_reloc): Update declarations.  Change
9339         u2_.relobj to Sized_relobj*.
9340         (class Output_data_reloc): Change add functions to use
9341         Sized_relobj*.
9342         * output.cc (Output_reloc::Output_reloc): Change relobj to
9343         Sized_relobj*.
9344         (Output_reloc::local_section_offset): Change return type to
9345         Elf_Addr.  Use get_output_section_offset.
9346         (Output_reloc::get_address): Likewise.
9347         (Output_section::is_input_address_mapped): Don't call
9348         is_section_specially_mapped.
9349         (Output_section::output_offset): Likewise.
9350         (Output_section::output_address): Likewise.
9351         (Output_section::starting_output_address): Likewise.
9352         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
9353         parameter to Sized_relobj*.
9354         (Copy_relocs::need_copy_reloc): Likewise.
9355         (Copy_relocs::save): Likewise.
9356         * copy-relocs.h (class Copy_relocs): Update declarations.
9357         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
9358         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
9359         * target-reloc.h (relocate_for_relocatable): Change
9360         offset_in_output_section type to Elf_Addr.  Change code that uses
9361         it as well.
9362         * layout.cc (Layout::layout): Always set *off.
9363         * mapfile.cc (Mapfile::print_input_section): Use
9364         output_section_offset.
9365         * i386.cc (Target_i386::copy_reloc): Change object parameter to
9366         Sized_relobj*.
9367         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
9368         * sparc.cc (Target_sparc::copy_reloc): Likewise.
9369         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
9370
9371 2008-07-03  Ian Lance Taylor  <iant@google.com>
9372
9373         * layout.cc (Layout::include_section): Do not discard unrecognized
9374         SHT_STRTAB sections.
9375
9376 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
9377
9378         * script.cc (Lex::can_continue_name): Make '?' allowable in
9379         version-script names.
9380         * testsuite/version_script.map: Change glob pattern to use '?'
9381
9382 2008-06-30  Manish Singh  <yosh@gimp.org>
9383
9384         PR 6585
9385         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
9386         Correct typo.
9387
9388 2008-06-30  Ian Lance Taylor  <iant@google.com>
9389
9390         PR 6660
9391         PR 6682
9392         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
9393         versions]: Don't try to read the value in the contents, since we
9394         don't use it.  Use the template endianness when writing.
9395
9396 2008-06-25  Cary Coutant  <ccoutant@google.com>
9397
9398         * fileread.cc (File_read::make_view): Assert on zero-length view.
9399         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
9400         symbol table when there are no symbols to read.
9401
9402 2008-06-23  Craig Silverstein  <csilvers@google.com>
9403
9404         * version.cc (version_string): Bump to 1.7
9405
9406 2008-06-18  Craig Silverstein  <csilvers@google.com>
9407
9408         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
9409         constant 0xFFFF to type Valtype.
9410         (Powerpc_relocate_functions::rel16_ha): Likewise.
9411
9412 2008-06-17  Ian Lance Taylor  <iant@google.com>
9413
9414         * output.h (Output_section::Input_section): Initialize p2align_ to
9415         zero for Output_section_data constructors.
9416         (Output_section::Input_section::addralign): If not an input
9417         section, return the alignment of the Output_section_data.
9418         * testsuite/copy_test.cc: New file.
9419         * testsuite/copy_test_1.cc: New file.
9420         * testsuite/copy_test_2.cc: New file.
9421         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
9422         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
9423         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
9424         (copy_test_1_pic.o, copy_test_1.so): New targets.
9425         (copy_test_2_pic.o, copy_test_2.so): New targets.
9426         * testsuite/Makefile.in: Rebuild.
9427
9428         * script-sections.cc (Script_sections::place_orphan): Initialize
9429         local variable exact.
9430
9431 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
9432
9433         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
9434
9435 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
9436             David S. Miller  <davem@davemloft.net>
9437
9438         * powerpc.cc: New file.
9439         * Makefile.am (TARGETSOURCES): Add powerpc.cc
9440         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
9441         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
9442         * Makefile.in: Rebuild.
9443
9444 2008-06-09  Ian Lance Taylor  <iant@google.com>
9445
9446         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
9447         <exception>.
9448         (throwing, orig_terminate): New static variables.
9449         (terminate_handler): New static function.
9450         (t2): Set terminate handler.
9451
9452 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
9453
9454         PR 6584
9455         * binary.cc (Binary_to_elf::sized_convert): Fix .data
9456         alignment.
9457
9458 2008-05-30  Cary Coutant  <ccoutant@google.com>
9459
9460         * archive.cc (Archive::include_all_members) Correct to step
9461         over symbol table and extended name table in thin archives.
9462
9463 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
9464
9465         PR 6407
9466         * target-reloc.h (relocate_for_relocatable): Fix new_offset
9467         calculation.
9468
9469 2008-05-28  Caleb Howe  <cshowe@google.com>
9470
9471         * reduced_debug_output.cc: New file.
9472         * reduced_debug_output.h: New file.
9473         * options.h (class General_options): Add --strip-debug-non-line.
9474         * options.cc (General_options::finalize): Add strip_debug_non_line
9475         to the strip heirarchy.
9476         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
9477         fields.
9478         * layout.cc: Include "reduced_debug_output.h".
9479         (Layout::Layout): Initialize new fields.
9480         (line_only_debug_sections): New static array.
9481         (is_lines_only_debug_sections): New static inline function.
9482         (Layout::include_section): Handle --strip-debug-non-line.
9483         (Layout::make_output_section): If --strip-debug-non-line, build
9484         new output sections for .debug_abbrev and .debug_info.
9485         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
9486         gold.  Warn about possible overflow.
9487         (read_signed_LEB_128): Likewise.
9488         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
9489         (read_signed_LEB_128): Declare.
9490         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
9491         (HFILES): Add reduced_debug_output.h.
9492         * Makefile.in: Rebuild.
9493
9494 2008-05-21  Ian Lance Taylor  <iant@google.com>
9495
9496         * mapfile.cc: New file.
9497         * mapfile.h: New file.
9498         * options.h (class General_options): Add -M/--print-map and -Map.
9499         * options.cc (General_options::finalize): Make -M equivalent to
9500         -Map -.
9501         * main.cc: Include <cstdio> and "mapfile.h".
9502         (main): Open mapfile if requested.
9503         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
9504         constructor.  Change caller.
9505         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9506         (queue_middle_tasks): Likewise.
9507         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9508         declarations.
9509         * archive.cc: Include "mapfile.h".
9510         (Archive::add_symbols): Add mapfile parameter.  Change all
9511         callers.  Pass mapfile, symbol, and reason to include_member.
9512         (Archive::include_all_members): Add mapfile parameter.  Change all
9513         callers.
9514         (Archive::include_member): Add mapfile, sym, and why parameters.
9515         Change all callers.  Report inclusion to map file.
9516         * archive.h: Include "fileread.h".
9517         (class Archive): Update declarations.
9518         (Archive::file): New const method.
9519         (class Add_archive_symbols): Add mapfile_ field.  Update
9520         constructor.  Change all callers.
9521         * readsyms.h (class Read_symbols): Likewise.
9522         (class Finish_group): Likewise.
9523         (class Read_script): Likewise.
9524         * common.cc: Include "mapfile.h".
9525         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9526         all callers.
9527         (Symbol_table::do_allocate_commons): Likewise.
9528         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9529         symbol allocation to mapfile.
9530         * common.h (class Allocate_commons_task): Add mapfile_ field.
9531         Update constructor.  Change all callers.
9532         * symtab.h (class Symbol_table): Update declarations.
9533         * layout.cc: Include "mapfile.h".
9534         (Layout_task_runner::run): Print information to mapfile.
9535         (Layout::create_gold_note): Change Output_data_fixed_space to
9536         Output_data_zero_fill.
9537         (Layout::create_build_id): Likewise.
9538         (Layout::print_to_mapfile): New function.
9539         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9540         constructor.  Change caller.
9541         (class Layout): Declare print_to_mapfile.
9542         * output.cc (Output_section::Input_section::print_to_mapfile): New
9543         function.
9544         (Output_section::add_input_section): If producing a map, always
9545         add to input_sections_ list.
9546         (Output_section::do_print_to_mapfile): New function.
9547         (Output_segment::print_sections_to_mapfile): New function.
9548         (Output_segment::print_section_list_to_mapfile): New function.
9549         * output.h: Include "mapfile.h".
9550         (Output_data::print_to_mapfile): New function.
9551         (Output_data::do_print_to_mapfile): New virtual function.
9552         (Output_segment_headers::do_print_to_mapfile): New function.
9553         (Output_file_header::do_print_to_mapfile): New function.
9554         (Output_data_const::do_print_to_mapfile): New function.
9555         (class Output_data_const_buffer): Add map_name_ field.  Update
9556         constructor.  Change all callers.  Add do_print_to_mapfile
9557         function.
9558         (class Output_data_fixed_space): Likewise.
9559         (class Output_data_space): Likewise.
9560         (class Output_data_zero_fill): New class.
9561         (Output_data_strtab::do_print_to_mapfile): New function.
9562         (Output_data_reloc_base::do_print_to_mapfile): New function.
9563         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9564         (Output_data_group::do_print_to_mapfile): New function.
9565         (Output_data_got::do_print_to_mapfile): New function.
9566         (Output_data_dynamic::do_print_to_mapfile): New function.
9567         (Output_symtab_xindex::do_print_to_mapfile): New function.
9568         (class Output_section): Declare do_print_to_mapflie.  Declare
9569         print_to_mapfile in Input_section.
9570         (class Output_segment): Declare new functions.
9571         * object.h (Sized_relobj::symbol_count): New function.
9572         * script-sections.cc
9573         (Output_section_element_dot_assignment::set_section_addresses):
9574         Change Output_data_fixed_space to Output_data_zero_fill.
9575         (Output_data_expression::do_print_to_mapfile): New function.
9576         * script.cc (read_input_script): Add mapfile parameter.  Change
9577         all callers.
9578         * script.h (read_input_script): Update declaration.
9579         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9580         (Eh_frame::do_print_to_mapfile): New function.
9581         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9582         (Output_merge_string::do_print_to_mapfile): New function.
9583         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9584         function.
9585         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9586         function.
9587         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9588         function.
9589         * Makefile.am (CCFILES): Add mapfile.cc.
9590         (HFILES): Add mapfile.h.
9591         * Makefile.in: Rebuild.
9592
9593 2008-05-19  Ian Lance Taylor  <iant@google.com>
9594
9595         * options.h (class General_options): Add -z relro.
9596         * layout.cc (Layout::Layout): Initialize relro_segment_.
9597         (Layout::add_output_section_data): Return the output section.
9598         (Layout::make_output_section): Rcognize relro sections and mark
9599         them appropriately.
9600         (Layout::attach_allocated_section_to_segment): Put relro sections
9601         in a PT_GNU_RELRO segment.
9602         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9603         section as relro.
9604         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9605         PT_TLS segments.
9606         (Layout::linkonce_mapping): Map d.rel.ro.local to
9607         .data.rel.ro.local.
9608         (Layout::output_section_name): Us .data.rel.ro.local for any
9609         section which begins with that.
9610         * layout.h (class Layout): Update add_output_section_data
9611         declaration.  Add relro_segment_ field.
9612         * output.cc (Output_section::Output_section): Initialize is_relro_
9613         and is_relro_local_ fields.
9614         (Output_segment::add_output_section): Group relro sections.
9615         (Output_segment::is_first_section_relro): New function.
9616         (Output_segment::maximum_alignment): If there is a relro section,
9617         align the segment to the common page size.
9618         (Output_segment::set_section_addresses): Track whether we are
9619         looking at relro sections.  If the last section is a relro
9620         section, align to the common page size.
9621         (Output_segment::set_section_list_addresses): Add in_relro
9622         parameter.  Change all callers.  Align to the page size when
9623         moving from relro to non-relro section.
9624         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9625         segment.
9626         * output.h (class Output_section): Add is_relro_ and
9627         is_relro_local_ fields.
9628         (Output_section::is_relro): New function.
9629         (Output_section::set_is_relro): New function.
9630         (Output_section::is_relro_local): New function.
9631         (Output_section::set_is_relro_local): New function.
9632         (class Output_segment): Update declarations.
9633         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9634         * sparc.cc (Target_sparc::got_section): Likewise.
9635         * x86_64.cc (Target_x86_64::got_section): Likewise.
9636         * testsuite/relro_test_main.cc: New file.
9637         * testsuite/relro_test.cc: New file.
9638         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9639         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9640         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9641         (relro_test.so, relro_test_pic.o): New targets.
9642         * testsuite/Makefile.in: Rebuild.
9643
9644 2008-05-16  Ian Lance Taylor  <iant@google.com>
9645
9646         * output.cc (Output_segment::add_output_section): Remove front
9647         parameter.
9648         * output.h (class Output_segment): Remove
9649         add_initial_output_section and overloaded add_output_section.
9650         Update declaration of remaining add_output_section.
9651         * layout.cc (Layout::create_interp): Call add_output_section
9652         rather than add_initial_output_section.
9653         (Layout::finish_dynamic_section): Likewise.
9654
9655         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9656         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9657         know the dynamic type.
9658         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9659         field.  Initialize it in constructor.
9660         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9661         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9662         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9663         reloc.
9664
9665         * output.cc (Output_reloc::get_address): Change return type to
9666         Elf_Addr.
9667         * output.h (class Output_reloc): Update get_address declaration.
9668         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9669         for section addresses.
9670
9671 2008-05-09  Ian Lance Taylor  <iant@google.com>
9672
9673         PR 6493
9674         * gold.cc (gold_nomem): Use return value of write.
9675
9676 2008-05-08  Ian Lance Taylor  <iant@google.com>
9677
9678         * symtab.c (Symbol::init_base_output_data): Add version
9679         parameter.  Change all callers.
9680         (Symbol::init_base_output_segment): Likewise.
9681         (Symbol::init_base_constant): Likewise.
9682         (Symbol::init_base_undefined): Likewise.
9683         (Sized_symbol::init_output_data): Likewise.
9684         (Sized_symbol::init_output_segment): Likewise.
9685         (Sized_symbol::init_constant): Likewise.
9686         (Sized_symbol::init_undefined): Likewise.
9687         (Symbol_table::do_define_in_output_data): If the new symbol has a
9688         version, mark it as the default.
9689         (Symbol_table::do_define_in_output_segment): Likewise.
9690         (Symbol_table::do_define_as_constant): Likewise.
9691         * symtab.h (class Symbol): Update declarations.
9692         (class Sized_symbol): Likewise.
9693         * resolve.cc (Symbol::override_version): New function.
9694         (Symbol::override_base): Call override_version.
9695         (Symbol::override_base_with_special): Likewise.
9696         * testsuite/ver_script_8.script: New file.
9697         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9698         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9699         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9700         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9701
9702 2008-05-06  Ian Lance Taylor  <iant@google.com>
9703
9704         PR 6049
9705         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9706         functions.
9707         (class General_options): Remove existing --undefined, and add
9708         --no-undefined instead.  Add new --undefined as synonym for -u.
9709         * archive.cc (Archive::add_symbols): Check whether symbol was
9710         named with -u.
9711         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9712         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9713         all uses.  Add IS_UNDEFINED.  Update declarations to split
9714         different versions of init_base.  Declare init_base_undefined.
9715         (Symbol::is_defined): Handle IS_UNDEFINED.
9716         (Symbol::is_undefined): Likewise.
9717         (Symbol::is_weak_undefined): Call is_undefined.
9718         (Symbol::is_absolute): Handle IS_CONSTANT.
9719         (class Sized_symbol): Update declarations to split different
9720         versions of init.  Declare init_undefined.
9721         (class Symbol_table): Declare new functions.
9722         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9723         Change all callers.
9724         (Symbol::init_base_output_data): Likewise.
9725         (Symbol::init_base_output_segment): Likewise.
9726         (Symbol::init_base_constant): Likewise.
9727         (Symbol::init_base_undefined): New function.
9728         (Sized_symbol::init_object): Rename from init.  Change all
9729         callers.
9730         (Sized_symbol::init_output_data): Likewise.
9731         (Sized_symbol::init_output_segment): Likewise.
9732         (Sized_symbol::init_constant): Likewise.
9733         (Sized_symbol::init_undefined): New function.
9734         (Symbol_table::add_undefined_symbols_from_command_line): New
9735         function.
9736         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9737         function.
9738         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9739         (Symbol::output_section): Likewise.
9740         (Symbol::set_output_section): Likewise.
9741         (Symbol_table::sized_finalize_symbol): Likewise.
9742         (Symbol_table::sized_write_globals): Likewise.
9743         * resolve.cc (Symbol_table::should_override): Likewise.
9744         (Symbol::override_base_with_special): Likewise.
9745
9746         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9747         symbol, change it to have default visibility.
9748         * testsuite/protected_1.cc: New file.
9749         * testsuite/protected_2.cc: New file.
9750         * testsuite/protected_3.cc: New file.
9751         * testsuite/protected_main_1.cc: New file.
9752         * testsuite/protected_main_2.cc: New file.
9753         * testsuite/protected_main_3.cc: New file.
9754         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9755         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9756         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9757         (protected_1.so): New target.
9758         (protected_1_pic.o, protected_2_pic.o): New targets.
9759         (protected_3_pic.o): New target.
9760         (check_PROGRAMS): Add protected_2.
9761         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9762         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9763         * testsuite/Makefile.in: Rebuild.
9764
9765         * options.h (DEFINE_var): Add set_user_set_##varname__.
9766         (DEFINE_bool_alias): New macro.
9767         (class General_options): Define -Bstatic using DEFINE_bool_alias
9768         rather than DEFINE_special.  Add --undefined as an alias for -z
9769         defs.
9770         * options.cc (General_options::parse_Bstatic): Remove.
9771
9772         * options.h (class General_options): Add --fatal-warnings.
9773         * main.cc (main): Implement --fatal-warnings.
9774         * errors.h (Errors::warning_count): New function.
9775
9776         * options.h (class General_options): Add -Bsymbolic-functions.
9777         * symtab.h (Symbol::is_preemptible): Check for
9778         -Bsymbolic-functions.
9779
9780 2008-05-05  Ian Lance Taylor  <iant@google.com>
9781
9782         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9783         as noVARNAME rather than no-VARNAME.
9784         (class General_options): Add option -z combreloc.
9785         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9786         get_address.
9787         (Output_reloc::sort_before) [SHT_REL]: New function.
9788         (Output_reloc::sort_before) [SHT_RELA]: New function.
9789         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9790         Sort_relocs_comparison.
9791         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9792         parameter.  Change all callers.
9793         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9794         sort_relocs parameter.  Change all callers.
9795         * output.cc (Output_reloc::get_address): New function, broken out
9796         of write_rel.
9797         (Output_reloc::write_rel): Call it.
9798         (Output_reloc::compare): New function.
9799         (Output_data_reloc_base::do_write): Optionally sort relocs.
9800
9801         * configure.ac: If targ_extra_obj is set, link it in.
9802         * configure.tgt: Initialize all variables.
9803         (x86_64*): Set targ_extra_obj and targ_extra_size.
9804         * configure: Rebuild.
9805
9806         * object.cc (Sized_relobj::include_section_group): Adjust section
9807         indexes read from group data.  Build vector to pass to
9808         layout_group.
9809         * layout.cc (Layout::layout_group): Add flags and shndxes
9810         parameters.  Remove contents parameter.  Change caller.  Update
9811         explicit instantiations.
9812         * layout.h (class Layout): Update layout_group declaration.
9813         * output.cc (Output_data_group::Output_data_group): Add flags and
9814         input_shndxes parameters.  Remove contents parameter.  Change
9815         caller.
9816         (Output_data_group::do_write): Change input_sections_ to
9817         input_shndxes_.
9818         * output.h (class Output_data_group): Update constructor
9819         declaration.  Rename input_sections_ to input_shndxes_.
9820         * testsuite/many_sections_test.cc: Add template.
9821
9822 2008-04-30  Cary Coutant  <ccoutant@google.com>
9823
9824         * target-reloc.h (relocate_section): Fix dead-pointer bug.
9825
9826         * layout.cc (Layout::include_section): Refactored check for debug
9827         info section.
9828         (Layout::add_comdat): Add new parameters.  Change type
9829         of signature parameter.  Add object and shndx to signatures table.
9830         (Layout::find_kept_object): New function.
9831         * layout.h: Include <cstring>.
9832         (Layout::is_debug_info_section): New function.
9833         (Layout::add_comdat): Add new parameters.
9834         (Layout::find_kept_object): New function.
9835         (Layout::Kept_section): New struct.
9836         (Layout::Signatures): Change type of map range.
9837         * object.cc (Relobj::output_section_address): New function.
9838         (Sized_relobj::include_section_group): Add new parameters.  Change
9839         calls to Layout::add_comdat.  Change to build table of kept comdat
9840         groups and table mapping discarded sections to kept sections.
9841         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
9842         (Sized_relobj::do_layout): Change calls to include_section_group and
9843         include_linkonce_section.
9844         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
9845         value to zero when section is discarded.
9846         (Sized_relobj::map_to_kept_section): New function.
9847         * object.h (Relobj::output_section_address): New function.
9848         (Relobj::Comdat_group): New type.
9849         (Relobj::find_comdat_group): New function.
9850         (Relobj::Comdat_group_table): New type.
9851         (Relobj::Kept_comdat_section): New type.
9852         (Relobj::Kept_comdat_section_table): New type.
9853         (Relobj::add_comdat_group): New function.
9854         (Relobj::set_kept_comdat_section): New function.
9855         (Relobj::get_kept_comdat_section): New function.
9856         (Relobj::comdat_groups_): New field.
9857         (Relobj::kept_comdat_sections_): New field.
9858         (Symbol_value::input_value): Update comment.
9859         (Sized_relobj::map_to_kept_section) New function.
9860         (Sized_relobj::include_linkonce_section): Add new parameter.
9861         * target-reloc.h (Comdat_behavior): New type.
9862         (get_comdat_behavior): New function.
9863         (relocate_section): Add code to map a discarded section to the
9864         corresponding kept section when applying a relocation.
9865
9866 2008-04-30  Craig Silverstein  <csilvers@google.com>
9867
9868         * dwarf_reader.cc (next_generation_count): New static var.
9869         (Addr2line_cache_entry): New struct.
9870         (addr2line_cache): New static var.
9871         (Dwarf_line_info::one_addr2line): Added caching.
9872         (Dwarf_line_info::clear_addr2line_cache): New function.
9873         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
9874         cache-size parameter.
9875         (Dwarf_line_info::one_addr2line_cache): New function.
9876         * symtab.cc (Symbol_table::detect_odr_violations): Pass
9877         new cache-size argument to one_addr2line(), and clear cache.
9878
9879 2008-04-28  Cary Coutant  <ccoutant@google.com>
9880
9881         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
9882         R_386_PC8 relocations.
9883
9884 2008-04-23  Ian Lance Taylor  <iant@google.com>
9885
9886         * object.cc (Sized_relobj::include_section_group): Check for
9887         invalid section group.
9888
9889         * object.cc (make_elf_object): Correct test for 64-bit ELF file
9890         header size.
9891
9892         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
9893         than read for file header.
9894         * archive.cc (Archive::include_member): Likewise.
9895
9896 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
9897
9898         * aclocal.m4: Regenerate.
9899         * configure: Regenerate.
9900
9901 2008-04-19  Ian Lance Taylor  <iant@google.com>
9902
9903         * version.cc (version_string): Bump to 1.6.
9904
9905         * testsuite/Makefile.am (many_sections_r_test): New target.
9906         (many_sections_r_test_SOURCES): Remove.
9907         (many_sections_r_test_DEPENDENCIES): Remove.
9908         (many_sections_r_test_LDFLAGS): Remove.
9909         (many_sections_r_test_LDADD): Remove.
9910
9911         * object.cc (Sized_relobj::do_add_symbols): Always pass
9912         local_symbol_count_ to add_from_relobj.
9913
9914         * testsuite/Makefile.am (many_sections_check.h): Only check one in
9915         every thousand variables.
9916         * testsuite/Makefile.in: Rebuild.
9917
9918         * object.cc (Xindex::initialize_symtab_xindex): New function.
9919         (Xindex::read_symtab_xindex): New function.
9920         (Xindex::sym_xindex_to_shndx): New function.
9921         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
9922         available.
9923         (Sized_relobj::do_initialize_xindex): New function.
9924         (Sized_relobj::do_read_symbols): Adjust section links.
9925         (Sized_relobj::symbol_section_and_value): Add is_ordinary
9926         parameter.  Change all callers.
9927         (Sized_relobj::include_section_group): Adjust section links and
9928         symbol section indexes.
9929         (Sized_relobj::do_layout): Adjust section links.
9930         (Sized_relobj::do_count_local_symbols): Adjust section links and
9931         symbol section indexes.
9932         (Sized_relobj::do_finalize_local_symbols): Distinguish between
9933         ordinary and special symbols.
9934         (Sized_relobj::write_local_symbols): Add symtab_xindex and
9935         dynsym_xindex parameters.  Change all callers.  Adjust section
9936         links.  Use SHN_XINDEX when needed.
9937         (Sized_relobj::get_symbol_location_info): Adjust section links.
9938         Don't get fooled by special symbols.
9939         * object.h (class Xindex): Define.
9940         (class Object): Add xindex_ parameter.  Declare virtual functoin
9941         do_initialize_xindex.
9942         (Object::adjust_sym_shndx): New function.
9943         (Object::set_xindex): New protected function.
9944         (class Symbol_value): Add is_ordinary_shndx_ field.
9945         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
9946         (Symbol_value::value): Assert ordinary section.
9947         (Symbol_value::initialize_input_to_output_map): Likewise.
9948         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
9949         Change all callers.
9950         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
9951         all callers.
9952         (class Sized_relobj): Update declarations.
9953         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
9954         parameter.  Change all callers.
9955         (Sized_relobj::adjust_shndx): New function.
9956         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
9957         field.
9958         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
9959         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
9960         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
9961         (Sized_dynobj::read_dynsym_section): Adjust section links.
9962         (Sized_dynobj::read_dynamic): Likewise.
9963         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
9964         section links.
9965         (Sized_dynobj::do_initialize_xindex): New function.
9966         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
9967         do_initialize_xindex.
9968         (Sized_dynobj::adjust_shndx): New function.
9969         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
9970         dynsym_xindex_ fields.
9971         (Layout::finalize): Add a call to set_section_indexes before
9972         creating the symtab sections.
9973         (Layout::set_section_indexes): Don't do anything if the section
9974         already has a section index.
9975         (Layout::create_symtab_sections): Add shnum parameter.  Change
9976         caller.  Create .symtab_shndx section if needed.
9977         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
9978         caller.
9979         (Layout::allocated_output_section_count): New function.
9980         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
9981         needed.
9982         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
9983         fields.  Update declarations.
9984         (Layout::symtab_xindex): New function.
9985         (Layout::dynsym_xindex): New function.
9986         (class Write_symbols_task): Add layout_ field.
9987         (Write_symbols_task::Write_symbols_task): Add layout parameter.
9988         Change caller.
9989         * output.cc (Output_section_headers::Output_section_headers): Add
9990         shstrtab_section parameter.  Change all callers.
9991         (Output_section_headers::do_sized_write): Store overflow values
9992         for section count and section string table section index in
9993         section header zero.
9994         (Output_file_header::do_sized_write): Check for overflow of
9995         section count and section string table section index.
9996         (Output_symtab_xindex::do_write): New function.
9997         (Output_symtab_xindex::endian_do_write): New function.
9998         * output.h (class Output_section_headers): Add shstrtab_section_.
9999         Update declarations.
10000         (class Output_symtab_xindex): Define.
10001         (Output_section::has_out_shndx): New function.
10002         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10003         field.
10004         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10005         Change all callers.
10006         (Sized_symbol::init): Likewise.
10007         (Symbol::output_section): Check for ordinary symbol.
10008         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10009         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10010         callers.
10011         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10012         Change all callers.  Simplify handling of symbols from sections
10013         not included in the link.
10014         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10015         distinction.
10016         (Weak_alias_sorter::operator()): Assert that symbols are
10017         ordinary.
10018         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10019         distinction.
10020         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10021         parameters.  Change all callers.
10022         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10023         symbol distinction.  Use SHN_XINDEX when needed.
10024         (Symbol_table::write_section_symbol): Add symtab_xindex
10025         parameter.  Change all callers.
10026         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10027         SHN_XINDEX when needed.
10028         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10029         declarations.
10030         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10031         (Symbol::is_defined): Check is_ordinary.
10032         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10033         (Symbol::is_absolute, Symbol::is_common): Likewise.
10034         (class Sized_symbol): Update declarations.
10035         (class Symbol_table): Update declarations.
10036         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10037         parameters.  Change all callers.
10038         (Sized_symbol::override): Likewise.
10039         (Symbol_table::override): Likewise.
10040         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10041         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10042         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10043         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10044         to be in an ordinary section.
10045         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10046         object and is_ordinary parameters.  Change all callers.
10047         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10048         Change all callers.  Don't add undefined or non-ordinary symbols
10049         to reloc_map_.
10050         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10051         Change all callers.
10052         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10053         declarations.
10054         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10055         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10056         (Sized_relobj::relocate_sections): Likewise.
10057         * target-reloc.h (scan_relocs): Adjust section symbol index.
10058         (scan_relocatable_relocs): Likewise.
10059         * i386.cc (Scan::local): Check for ordinary symbols.
10060         * sparc.cc (Scan::local): Likewise.
10061         * x86_64.cc (Scan::local): Likewise.
10062         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10063         to symbol_section_and_value.
10064         * testsuite/many_sections_test.cc: New file.
10065         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10066         (check_PROGRAMS): Add many_sections_test.
10067         (many_sections_test_SOURCES): Define.
10068         (many_sections_test_DEPENDENCIES): Define.
10069         (many_sections_test_LDFLAGS): Define.
10070         (BUILT_SOURCES): Add many_sections_define.h.
10071         (many_sections_define.h): New target.
10072         (BUILT_SOURCES): Add many_sections_check.h.
10073         (many_sections_check.h): New target.
10074         (check_PROGRAMS): Add many_sections_r_test.
10075         (many_sections_r_test_SOURCES): Define.
10076         (many_sections_r_test_DEPENDENCIES): Define.
10077         (many_sections_r_test_LDFLAGS): Define.
10078         (many_sections_r_test_LDADD): Define.
10079         (many_sections_r_test.o): New target.
10080         * testsuite/Makefile.in: Rebuild.
10081
10082 2008-04-17  Cary Coutant  <ccoutant@google.com>
10083
10084         * errors.cc (Errors::info): New function.
10085         (gold_info): New function.
10086         * errors.h (Errors::info): New function.
10087         * gold.h (gold_info): New function.
10088         * object.cc (Input_objects::add_object): Print trace output.
10089         * options.cc (options::parse_set): New function.
10090         (General_options::parse_wrap): Deleted.
10091         (General_options::General_options): Deleted initializer.
10092         * options.h (options::String_set): New typedef.
10093         (options::parse_set): New function.
10094         (DEFINE_set): New macro.
10095         (General_options::wrap): Changed to use DEFINE_set. Changed
10096         callers of any_wrap_symbols and is_wrap_symbol.
10097         (General_options::trace, General_options::trace_symbol):
10098         New options.
10099         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10100         (General_options::wrap_symbols_): Deleted.
10101         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10102
10103 2008-04-17  David S. Miller  <davem@davemloft.net>
10104
10105         * options.cc (General_options::parse_V): New function.
10106         * options.h: Add entries for -V and -Qy.
10107
10108 2008-04-17  Ian Lance Taylor  <iant@google.com>
10109
10110         * common.cc (Symbol_table::allocate_commons): Remove options
10111         parameter.  Change caller.
10112         (Symbol_table::do_allocate_commons): Remove options parameter.
10113         Change caller.  Just call do_allocate_commons_list twice.
10114         (Symbol_table::do_allocate_commons_list): New function, broken out
10115         of do_allocate_commons.
10116         * common.h (class Allocate_commons_task): Remove options_ field.
10117         Update constructor.
10118         * symtab.cc (Symbol_table::Symbol_table): Initialize
10119         tls_commons_.
10120         (Symbol_table::add_from_object): Put TLS common symbols on
10121         tls_commons_ list.
10122         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10123         which are IN_OUTPUT_DATA.
10124         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10125         allocate_commons and do_allocate_commons declarations.  Declare
10126         do_allocate_commons_list.
10127         * gold.cc (queue_middle_tasks): Update creation of
10128         Allocate_commons_task to not pass options.
10129         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10130         (TLS_TEST_C_FLAGS): New variable.
10131         (tls_test_c_pic.o): New target.
10132         (tls_test_shared.so): Link in tls_test_c_pic.o.
10133         (tls_test_c_pic_ie.o): New target.
10134         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10135         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10136         (tls_test_c.o): New target.
10137         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10138         (tls_pic_test_LDADD): Likewise.
10139         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10140         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10141         (tls_test_c_gnu2.o): New target.
10142         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10143         tls_test_c_gnu2.o.
10144         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10145         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10146         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10147         * testsuite/tls_test.cc: Include "config.h".
10148         (t_last): Call t11_last.
10149         * testsuite/tls_test.h (t11, t11_last): Declare.
10150         * testsuite/tls_test_c.c: New file.
10151         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10152         * configure.ac: Check for OpenMP support.
10153         * configure, config.in, Makefile.in: Rebuild.
10154         * testsuite/Makefile.in: Rebuild.
10155
10156 2008-04-16  Cary Coutant  <ccoutant@google.com>
10157
10158         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10159         (Target_i386::tls_base_symbol_defined_): New field.
10160         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10161         (Target_i386::Scan::global): Likewise.
10162         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10163         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10164         (Target_x86_64::tls_base_symbol_defined_): New field.
10165         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10166         (Target_x86_64::Scan::global): Likewise.
10167
10168 2008-04-16  Cary Coutant  <ccoutant@google.com>
10169
10170         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10171         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10172         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10173         building shared libraries.
10174         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10175         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10176         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10177         * testsuite/Makefile.in: Rebuild.
10178         * testsuite/weak_undef.h: New file.
10179         * testsuite/weak_undef_file1.cc: Add extra test cases.
10180         * testsuite/weak_undef_file2.cc: Likewise.
10181         * testsuite/weak_undef_test.cc: Likewise.
10182
10183 2008-04-16  David S. Miller  <davem@davemloft.net>
10184
10185         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10186         Add issued_non_pic_error_ field.  Declare check_non_pic.
10187         (Target_sparc::Scan::check_non_pic): New function.
10188         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10189         (Target_sparc::Scan::global): Likewise.
10190
10191         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10192         * configure: Rebuild.
10193
10194         * options.h (DEFINE_enable): New macro.
10195         (new_dtags): New enable option.
10196         (initfirst, interpose, loadfltr, nodefaultlib,
10197         nodelete, nodlopen, nodump): New -z options.
10198         * layout.cc (Layout:finish_dynamic_section): If new
10199         dtags enabled, emit DT_RUNPATH.  Also, emit a
10200         DT_FLAGS_1 containing any specified -z flags.
10201
10202 2008-04-16  Ian Lance Taylor  <iant@google.com>
10203
10204         * copy-relocs.cc: New file.
10205         * copy-relocs.h: New file.
10206         * reloc.cc: Remove Copy_relocs code.
10207         * reloc.h: Likewise.
10208         * reloc-types.h (struct Reloc_types) [both versions]: Add
10209         get_reloc_addend_noerror.
10210         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10211         variants of add_global which take an addend which must be zero.
10212         * i386.cc: Include "copy-relocs.h".
10213         (class Target_i386): Change type of copy_relocs_ to variable,
10214         update initializer.
10215         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10216         Change all callers.
10217         (Target_i386::do_finalize_sections): Change handling of
10218         copy_relocs_.
10219         * sparc.cc: Include "copy-relocs.h".
10220         (class Target_sparc): Change type of copy_relocs_ to variable,
10221         update initializer.
10222         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10223         Change all callers.
10224         (Target_sparc::do_finalize_sections): Change handling of
10225         copy_relocs_.
10226         * x86_64.cc: Include "copy-relocs.h".
10227         (class Target_x86_64): Change type of copy_relocs_ to variable,
10228         update initializer.
10229         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10230         class.  Change all callers.
10231         (Target_x86_64::do_finalize_sections): Change handling of
10232         copy_relocs_.
10233         * Makefile.am (CCFILES): Add copy-relocs.cc.
10234         (HFILES): Add copy-relocs.h.
10235
10236         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10237
10238         * testsuite/script_test_4.sh: Permit leading zeroes.
10239
10240 2008-04-15  Ian Lance Taylor  <iant@google.com>
10241
10242         * script-sections.cc (Script_sections::create_segments): Use
10243         header_size_adjustment even when there is enough room for the
10244         headers.
10245         * testsuite/script_test_4.sh: New file.
10246         * testsuite/script_test_4.t: New file.
10247         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10248         (check_DATA): Add script_test_4.stdout.
10249         (MOSTLYCLEANFILES): Likewise.
10250         (script_test_4): New target.
10251         (script_test_4.stdout): New target.
10252         * testsuite/Makefile.in: Rebuild.
10253
10254         * sparc.cc: Add definitions for Output_data_plt_sparc class
10255         constants.
10256
10257 2008-04-14  David S. Miller  <davem@davemloft.net>
10258
10259         * sparc.cc: New file.
10260         * Makefile.am (TARGETSOURCES): Add sparc.cc
10261         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10262         * configure.tgt: Document targ_extra_size and
10263         targ_extra_big_endian.  Add entries for sparc-* and
10264         sparc64-*.
10265         * configure.ac: Handle targ_extra_size and
10266         targ_extra_big_endian.
10267         * Makefile.in: Rebuild.
10268         * configure: Likewise.
10269         * po/POTFILES.in: Likewise.
10270         * po/gold.pot: Likewise.
10271
10272 2008-04-14  Ian Lance Taylor  <iant@google.com>
10273
10274         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10275         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10276         in the name/type/flags to section mapping.  Don't call
10277         allocate_output_section.
10278         (Layout::choose_output_section): Change parameter from adjust_name
10279         to is_input_section.  Don't permit input sections after sections
10280         are attached to segments.  Don't call allocate_output_section.
10281         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10282         not write_enable_output_section.
10283         (Layout::make_output_section): Don't push to
10284         unattached_section_list_ nor call attach_to_segment.  Call
10285         attach_section_to_segment if sections are attached.
10286         (Layout::attach_sections_to_segments): New function.
10287         (Layout::attach_section_to_segment): New function.
10288         (Layout::attach_allocated_section_to_segment): Rename from
10289         attach_to_segment.  Remove flags parameter.
10290         (Layout::allocate_output_section): Remove function.
10291         (Layout::write_enable_output_section): Remove function.
10292         * layout.h (class Layout): Update for above changes.  Add new
10293         field sections_are_attached_.
10294         * output.h (Output_section::update_flags_for_input_section): New
10295         function.
10296         * output.cc (Output_section::add_input_section): Call
10297         update_flags_for_input_section.
10298         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10299
10300 2008-04-11  Cary Coutant  <ccoutant@google.com>
10301
10302         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10303         thought unnecessary.
10304         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10305
10306 2008-04-11  Ian Lance Taylor  <iant@google.com>
10307
10308         * output.h (class Output_section_data): Remove inline definition
10309         of set_addralign.
10310         * output.cc (Output_section_data::set_addralign): New function.
10311
10312 2008-04-11  Cary Coutant  <ccoutant@google.com>
10313
10314         Add support for TLS descriptors for i386 and x86_64.
10315         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10316         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10317         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10318         GOT_TYPE_TLS_DESC.
10319         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10320         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10321         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10322         relocations.
10323         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10324         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10325         Fix problem with initial-exec relocations.
10326         (Target_i386::Relocate::relocate_tls): Likewise.
10327         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10328         relaxation.
10329         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10330         support for section-plus-offset dynamic table entries.
10331         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10332         (Output_data_dynamic::Dynamic_entry): Add support for
10333         section-plus-offset dynamic table entries.
10334         (Output_data_dynamic::Classification): Likewise.
10335         (Output_data_dynamic::classification_): Renamed offset_.
10336         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10337         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10338         (Target_x86_64::make_plt_section): New function.
10339         (Target_x86_64::reserve_tlsdesc_entries): New function.
10340         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10341         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10342         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10343         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10344         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10345         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10346         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10347         add extra PLT entry for TLS descriptors.
10348         (Output_data_plt_x86_64::got_): New field.
10349         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
10350         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
10351         fields.
10352         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
10353         descriptors.
10354         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
10355         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
10356         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
10357         R_386_TLS_DESC_CALL relocations.
10358         (Target_x86_64::Scan::global): Likewise.
10359         (Target_x86_64::do_finalize_sections): Add dynamic table entries
10360         for TLS descriptors.
10361         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
10362         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
10363         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
10364         GD-to-IE relaxation.
10365         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
10366         and TLS_DESCRIPTORS.
10367         * Makefile.in: Rebuild.
10368         * configure: Rebuild.
10369         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
10370         (tls_test_shared2.so): New target.
10371         (tls_shared_gd_to_ie_test_SOURCES): New variable.
10372         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
10373         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
10374         (tls_shared_gd_to_ie_test_LDADD): New variable.
10375         (tls_shared_gnu2_gd_to_ie_test): New target.
10376         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
10377         New targets.
10378         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
10379         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
10380         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
10381         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
10382         (tls_shared_gnu2_test): New target.
10383         (tls_test_gnu2_shared.so): New target.
10384         (tls_shared_gnu2_test_SOURCES): New variable.
10385         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
10386         (tls_shared_gnu2_test_LDFLAGS): New variable.
10387         (tls_shared_gnu2_test_LDADD): New variable.
10388         * testsuite/Makefile.in: Rebuild.
10389         * testsuite/Makefile.
10390
10391 2008-04-11  Ian Lance Taylor  <iant@google.com>
10392
10393         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
10394         justsyms.t.
10395         * testsuite/Makefile.in: Rebuild.
10396
10397         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
10398         long.
10399         * testsuite/script_test_2.cc (main): Adjust test.
10400
10401 2008-04-11  David S. Miller  <davem@davemloft.net>
10402             Ian Lance Taylor  <iant@google.com>
10403
10404         * options.h (General_options): Add entries for '-Y' and
10405         '-relax'.
10406         * options.cc (General_options:finalize): If -Y was used, add those
10407         entries to the library path instead of the default "/lib" and
10408         "/usr/lib".
10409
10410 2008-04-11  David S. Miller  <davem@davemloft.net>
10411
10412         * testsuite/justsyms.t: Start at 0x100.
10413         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
10414         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
10415         long.
10416         * testsuite/script_test_2.cc: Adjust string and section length
10417         checks.
10418
10419 2008-04-09  Ian Lance Taylor  <iant@google.com>
10420
10421         PR gold/5996
10422         * script-sections.cc (Sections_element::allocate_to_segment): Add
10423         orphan parameter.
10424         (Output_section_definition::allocate_to_segment): Likewise.
10425         (Orphan_output_section::allocate_to_segment): Likewise.
10426         (Script_sections::attach_sections_using_phdrs_clause): Don't
10427         propagate non-PT_LOAD segments to orphan sections.
10428         * testsuite/Makefile.am (script_test_3.stdout): Generate using
10429         readelf rather than objdump.
10430         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
10431         .interp section and PT_INTERP segment are the same size.
10432         * testsuite/Makefile.in: Rebuild.
10433
10434         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
10435         aliases for symbols defined in the same object.
10436         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
10437         (weak_alias_test_SOURCES): New variable.
10438         (weak_alias_test_DEPENDENCIES): New variable.
10439         (weak_alias_test_LDFLAGS): New variable.
10440         (weak_alias_test_LDADD): New variable.
10441         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
10442         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
10443         (weak_alias_test_3.o): New target.
10444         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
10445         * testsuite/weak_alias_test_main.cc: New file.
10446         * testsuite/weak_alias_test_1.cc: New file.
10447         * testsuite/weak_alias_test_2.cc: New file.
10448         * testsuite/weak_alias_test_3.cc: New file.
10449
10450 2008-04-08  Ian Lance Taylor  <iant@google.com>
10451
10452         * options.h (class General_options): Add --noinhibit-exec option.
10453         * main.cc (main): Check --noinhibit-exec.
10454
10455         * options.h (class General_options): Define --wrap as a special
10456         option.  Add wrap_symbols_ field.
10457         (General_options::any_wrap_symbols): New function.
10458         (General_options::is_wrap_symbol): New function.
10459         * options.cc (General_options::parse_wrap): New function.
10460         (General_options::General_options): Initialize wrap_symbols_.
10461         * symtab.cc (Symbol_table::wrap_symbol): New function.
10462         (Symbol_table::add_from_object): Handle --wrap.
10463         * symtab.h (class Symbol_table): Declare wrap_symbol.
10464         * target.h (Target::wrap_char): New function.
10465         (Target::Target_info): Add wrap_char field.
10466         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
10467         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10468         * testsuite/testfile.cc (Target_test::test_target_info):
10469         Likewise.
10470
10471         * errors.cc (Errors::undefined_symbol): Mention symbol version if
10472         there is one.
10473
10474         * layout.h (class Layout): Add added_eh_frame_data_ field.
10475         * layout.cc (Layout::Layout): Initialize new field.
10476         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
10477         output section until we find a section we merged successfully.
10478         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
10479         that the size be non-zero.
10480
10481         * merge.cc (Object_merge_map::get_output_offset): Remove inline
10482         qualifier.
10483
10484 2008-04-08  Craig Silverstein  <csilvers@google.com>
10485
10486         * configure.ac: Export new conditional variable HAVE_ZLIB.
10487         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
10488         on HAVE_ZLIB.
10489         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
10490         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10491
10492 2008-04-07  Ian Lance Taylor  <iant@google.com>
10493
10494         * version.cc (version_string): Set to "1.5".
10495
10496         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
10497         Add issued_non_pic_error_ field.  Declare check_non_pic.
10498         (Target_x86_64::Scan::check_non_pic): New function.
10499         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
10500         (Target_x86_64::Scan::global): Likewise.
10501
10502         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
10503         addend parameter.  Change caller.  Handle merge sections.
10504         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
10505         Address to Addend.  Don't add in the result of
10506         local_section_offset, pass down the addend and use the returned
10507         value.
10508         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10509         Update declarations of local_section_offset and symbol_value.
10510         * testsuite/two_file_test_1.cc (t18): New function.
10511         * testsuite/two_file_test_2.cc (f18): New function.
10512         * testsuite/two_file_test_main.cc (main): Call t18.
10513         * testsuite/two_file_test.h (t18, f18): Declare.
10514
10515         * configure.ac: Don't test for objdump, c++filt, or readelf.
10516         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10517         conditionals.
10518         (TEST_READELF): New variable.
10519         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10520         (check_PROGRAMS): Add two_file_strip_test.
10521         (two_file_strip_test): New target.
10522         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10523         (two_file_same_shared_strip_test_SOURCES): New variable.
10524         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10525         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10526         (two_file_same_shared_strip_test_LDADD): New variable.
10527         (two_file_shared_strip.so): New target.
10528         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10529         (ver_test_5.syms, ver_test_7.syms): Likewise.
10530         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10531         (strip_test_3.stdout): Use TEST_OBJDUMP.
10532         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10533
10534 2008-04-04  Cary Coutant  <ccoutant@google.com>
10535
10536         * symtab.h (Symbol::is_weak_undefined): New function.
10537         (Symbol::is_strong_undefined): New function.
10538         (Symbol::is_absolute): New function.
10539         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10540         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10541         absolute symbols.
10542         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10543         (weak_undef_test): New target.
10544         * testsuite/Makefile.in: Rebuild.
10545         * testsuite/weak_undef_file1.cc: New file.
10546         * testsuite/weak_undef_file2.cc: New file.
10547         * testsuite/weak_undef_test.cc: New file.
10548
10549 2008-04-03  Craig Silverstein  <csilvers@google.com>
10550
10551         * compressed_output.h (class Output_compressed_section): Use
10552         unsigned buffer.
10553         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10554         add zlib header.
10555         (zlib_compressed_suffix): Removed.
10556         (Output_compressed_section::set_final_data_size): Use unsigned
10557         buffers.
10558         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10559         Fix linker invocation.
10560         (flagstest_o_specialfile_and_compress_debug_sections):
10561         Likewise.
10562         * testsuite/Makefile.in: Regenerated.
10563
10564 2008-04-02  David S. Miller  <davem@davemloft.net>
10565
10566         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10567         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10568
10569 2008-04-02  Craig Silverstein  <csilvers@google.com>
10570
10571         * TODO: New file.
10572
10573 2008-04-02  Ian Lance Taylor  <iant@google.com>
10574
10575         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10576         parameters.  Update for new key type to views_.  Change all
10577         callers.
10578         (File_read::read): Adjust for byteshift in returned view.
10579         (File_read::add_view): New function, broken out of
10580         find_and_make_view.
10581         (File_read::make_view): New function, broken out of
10582         find_and_make_view.
10583         (File_read::find_or_make_view): Add offset and aligned
10584         parameters.  Rewrite accordingly.  Change all callers.
10585         (File_read::get_view): Add offset and aligned parameters.  Adjust
10586         for byteshift in return value.
10587         (File_read::get_lasting_view): Likewise.
10588         * fileread.h (class File_read): Update declarations.
10589         (class File_read::View): Add byteshift_ field.  Add byteshift to
10590         constructor.  Add byteshift method.
10591         * archive.h (Archive::clear_uncached_views): New function.
10592         (Archive::get_view): Add aligned parameter.  Change all callers.
10593         * object.h (Object::get_view): Add aligned parameter.  Change all
10594         callers.
10595         (Object::get_lasting_view): Likewise.
10596
10597         * fileread.cc (File_read::release): Don't call clear_views if
10598         there are multiple objects.
10599         * fileread.h (File_read::clear_uncached_views): New function.
10600         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10601         on the archive.
10602
10603 2008-03-31  Cary Coutant  <ccoutant@google.com>
10604
10605         Add thin archive support.
10606         * archive.cc (Archive::armagt): New const.
10607         (Archive::setup): Remove task parameter and calls to unlock.
10608         (Archive::unlock_nested_archives): New function.
10609         (Archive::read_header): Add nested_off parameter. Change
10610         all callers.
10611         (Archive::interpret_header): Likewise.
10612         (Archive::include_all_members): Change to handle thin
10613         archives.
10614         (Archive::include_member): Likewise.
10615         * archive.h (Archive::Archive): Add new parameters and
10616         initializers.
10617         (Archive::armagt): New const.
10618         (Archive::setup): Remove task parameter.
10619         (Archive::unlock_nested_archives): New function.
10620         (Archive::read_header): Add nested_off parameter.
10621         (Archive::interpret_header): Likewise.
10622         (Archive::Nested_archive_table): New typedef.
10623         (Archive::is_thin_archive_): New field.
10624         (Archive::nested_archives_): New field.
10625         (Archive::options_): New field.
10626         (Archive::dirpath_): New field.
10627         (Archive::task_): New field.
10628         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10629         for thin archives.  Pass additional parameters to
10630         Archive::Archive.  Unlock the archive file after calling
10631         Archive::setup.
10632
10633 2008-03-29  Ian Lance Taylor  <iant@google.com>
10634
10635         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10636         version symbol to be local.
10637         * testsuite/ver_test_4.sh: New file.
10638         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10639         (check_DATA): Add ver_test_4.syms.
10640         (ver_test_4.syms): New target.
10641         * testsuite/Makefile.in: Rebuild.
10642
10643         * output.cc
10644         (Output_section::Input_section_sort_entry::has_priority): New
10645         function.
10646         (Output_section::Input_section_sort_entry::match_file_name): New
10647         function.
10648         (Output_section::Input_section_sort_entry::match_section_name):
10649         Remove.
10650         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10651         Remove.
10652         (Output_section::Input_section_sort_entry::match_section_file):
10653         Remove.
10654         (Output_section::Input_section_sort_compare::operator()): Rewrite
10655         using new Input_section_sort_entry functions.  Sort crtbegin and
10656         crtend first.  Sort sections with no priority before sections with
10657         a priority.
10658         * testsuite/initpri1.c (d3): Check j != 4.
10659         (cd5): New constructor/destructor function.
10660         (main): Check j != 2.
10661
10662         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10663         new symbol when resolving, don't call set_is_default.
10664         * testsuite/ver_test_7.cc: New file.
10665         * testsuite/ver_test_7.sh: New file.
10666         * testsuite/Makefile.am (ver_test_7.so): New target.
10667         (ver_test_7.o): New target.
10668         (check_SCRIPTS): Add ver_test_7.sh.
10669         (check_DATA): Add ver_test_7.syms.
10670         (ver_test_7.syms): New target.
10671
10672 2008-03-28  Ian Lance Taylor  <iant@google.com>
10673
10674         * layout.cc (Layout::layout): If we see an input section with a
10675         name that needs sorting, set the must_sort flag for the output
10676         section.
10677         (Layout::make_output_section): If the name of the output section
10678         indicates that it might require sorting, set the may_sort flag.
10679         * output.h (Output_section::may_sort_attached_input_sections): New
10680         function.
10681         (Output_section::set_may_sort_attached_input_sections): New
10682         function.
10683         (Output_section::must_sort_attached_input_sections): New
10684         function.
10685         (Output_section::set_must_sort_attached_input_sections): New
10686         function.
10687         (class Output_section): Declare Input_section_sort_entry.  Define
10688         Input_section_sort_compare.  Declare
10689         sort_attached_input_sections.  Add new fields:
10690         may_sort_attached_input_sections_,
10691         must_sort_attached_input_sections_,
10692         attached_input_sections_are_sorted_.
10693         * output.cc (Output_section::Output_section): Initialize new
10694         fields.
10695         (Output_section::add_input_section): Add an entry to
10696         input_sections_ if may_sort or must_sort are true.
10697         (Output_section::set_final_data_size): Call
10698         sort_attached_input_sections if necessary.
10699         (Output_section::Input_section_sort_entry): Define new class.
10700         (Output_section::Input_section_sort_compare::operator()): New
10701         function.
10702         (Output_section::sort_attached_input_sections): New function.
10703         * configure.ac: Check whether the compiler supports constructor
10704         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10705         * testsuite/initpri1.c: New file.
10706         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10707         CONSTRUCTOR_PRIORITY.
10708         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10709         (initpri1_LDFLAGS): New variable.
10710         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10711
10712 2008-03-27  Ian Lance Taylor  <iant@google.com>
10713
10714         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10715         * testsuite/common_test_1.c: New file.
10716         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10717         (common_test_1_SOURCES): New variable.
10718         (common_test_1_DEPENDENCIES): New variable.
10719         (common_test_1_LDFLAGS): New variable.
10720
10721         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10722         and commons_ correctly when NAME/VERSION does not override
10723         NAME/NULL.
10724         * testsuite/ver_test_6.c: New file.
10725         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10726         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10727         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10728
10729 2008-03-26  Ian Lance Taylor  <iant@google.com>
10730
10731         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10732         of an undefined symbol from a version script.
10733         * testsuite/Makefile.am (ver_test_5.so): New target.
10734         (ver_test_5.o): New target.
10735         (check_SCRIPTS): Add ver_test_5.sh.
10736         (check_DATA): Add ver_test_5.syms.
10737         (ver_test_5.syms): New target.
10738         * testsuite/ver_test_5.cc: New file.
10739         * testsuite/ver_test_5.script: New file.
10740         * testsuite/ver_test_5.sh: New file.
10741         * Makefile.in, testsuite/Makefile.in: Rebuild.
10742
10743         PR gold/5986
10744         Fix problems building gold with gcc 4.3.0.
10745         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10746         (gold_error_at_location, gold_warning_at_location): Use it.
10747         * configure.ac: Check whether we can compile and use a template
10748         function with a printf attribute.
10749         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10750         when jumping over bytes.
10751         * object.cc: Instantiate Object::read_section_data.
10752         * debug.h: Include <cstring>
10753         * dwarf_reader.cc: Include <algorithm>
10754         * main.cc: Include <cstring>.
10755         * options.cc: Include <cstring>.
10756         * output.cc: Include <cstring>.
10757         * script.cc: Include <cstring>.
10758         * script.h: Include <string>.
10759         * symtab.cc: Include <cstring> and <algorithm>.
10760         * target-select.cc: Include <cstring>.
10761         * version.cc: Include <string>.
10762         * testsuite/testmain.cc: Include <cstdlib>.
10763         * configure, config.in: Rebuild.
10764
10765 2008-03-25  Ian Lance Taylor  <iant@google.com>
10766
10767         * options.cc: Include "../bfd/bfdver.h".
10768         (options::help): Print bug reporting address.
10769
10770         * version.cc (print_version): Adjust output for current value of
10771         BFD_VERSION_STRING.
10772
10773         * NEWS: New file.
10774
10775         * options.cc (options::help): Print list of supported targets.
10776         * target-select.h: Include <vector>.
10777         (class Target_selector): Make machine_, size_, and is_big_endian_
10778         fields const.  Add bfd_name_ and instantiated_target_ fields.
10779         (Target_selector::Target_selector): Add bfd_name parameter.
10780         (Target_selector::recognize): Make non-virtual, call
10781         do_recognize.
10782         (Target_selector::recognize_by_name): Make non-virtual, call
10783         do_recognize_by_name.
10784         (Target_selector::supported_names): New function.
10785         (Target_selector::bfd_name): New function.
10786         (Target_selector::do_instantiate_target): New pure virtual
10787         function.
10788         (Target_selector::do_recognize): New virtual function.
10789         (Target_selector::do_recognize_by_name): New virtual function.
10790         (Target_selector::instantiate_target): New private function.
10791         (supported_target_names): Declare.
10792         * target-select.cc (Target_selector::Target_selector): Update for
10793         new parameter and fields.
10794         (select_target_by_name): Check that the name matches before
10795         calling recognize_by_name.
10796         (supported_target_names): New function.
10797         * i386.cc (class Target_selector_i386): Update Target_selector
10798         constructor call.  Remove recognize and recognize_by_name.  Add
10799         do_instantiate_target.
10800         * x86_64.cc (class Target_selector_x86_64): Likewise.
10801         * testsuite/testfile.cc (class Target_selector_test): Update for
10802         changes to Target_selector.
10803
10804         * README: Rewrite, with some notes on unsupported features.
10805
10806 2008-03-24  Cary Coutant  <ccoutant@google.com>
10807
10808         * i386.cc (Target_i386::Got_type): New enum declaration.
10809         (Target_i386::Scan::local): Updated callers of Output_data_got
10810         member functions.
10811         (Target_i386::Scan::global): Likewise.
10812         (Target_i386::Relocate::relocate): Likewise.
10813         (Target_i386::Relocate::relocate_tls): Likewise.
10814         * object.h (Got_offset_list): New class.
10815         (Sized_relobj::local_has_got_offset): Added got_type parameter.
10816         (Sized_relobj::local_got_offset): Likewise.
10817         (Sized_relobj::set_local_got_offset): Likewise.
10818         (Sized_relobj::local_has_tls_got_offset): Removed.
10819         (Sized_relobj::local_tls_got_offset): Removed.
10820         (Sized_relobj::set_local_tls_got_offset): Removed.
10821         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
10822         * output.cc (Output_data_got::add_global): Added got_type parameter.
10823         (Output_data_got::add_global_with_rel): Likewise.
10824         (Output_data_got::add_global_with_rela): Likewise.
10825         (Output_data_got::add_global_pair_with_rel): New function.
10826         (Output_data_got::add_global_pair_with_rela): New function.
10827         (Output_data_got::add_local): Added got_type parameter.
10828         (Output_data_got::add_local_with_rel): Likewise.
10829         (Output_data_got::add_local_with_rela): Likewise.
10830         (Output_data_got::add_local_pair_with_rel): New function.
10831         (Output_data_got::add_local_pair_with_rela): New function.
10832         (Output_data_got::add_global_tls): Removed.
10833         (Output_data_got::add_global_tls_with_rel): Removed.
10834         (Output_data_got::add_global_tls_with_rela): Removed.
10835         (Output_data_got::add_local_tls): Removed.
10836         (Output_data_got::add_local_tls_with_rel): Removed.
10837         (Output_data_got::add_local_tls_with_rela): Removed.
10838         * output.h (Output_data_got::add_global): Added got_type parameter.
10839         (Output_data_got::add_global_with_rel): Likewise.
10840         (Output_data_got::add_global_with_rela): Likewise.
10841         (Output_data_got::add_global_pair_with_rel): New function.
10842         (Output_data_got::add_global_pair_with_rela): New function.
10843         (Output_data_got::add_local): Added got_type parameter.
10844         (Output_data_got::add_local_with_rel): Likewise.
10845         (Output_data_got::add_local_with_rela): Likewise.
10846         (Output_data_got::add_local_pair_with_rel): New function.
10847         (Output_data_got::add_local_pair_with_rela): New function.
10848         (Output_data_got::add_global_tls): Removed.
10849         (Output_data_got::add_global_tls_with_rel): Removed.
10850         (Output_data_got::add_global_tls_with_rela): Removed.
10851         (Output_data_got::add_local_tls): Removed.
10852         (Output_data_got::add_local_tls_with_rel): Removed.
10853         (Output_data_got::add_local_tls_with_rela): Removed.
10854         * resolve.cc (Symbol::override_base_with_special): Removed
10855         reference to has_got_offset_ field.
10856         * symtab.cc (Symbol::init_fields): Replaced initialization
10857         of got_offset_ with got_offsets_.  Removed initialization
10858         of has_got_offset_
10859         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
10860         (Symbol::got_offset): Likewise.
10861         (Symbol::set_got_offset): Likewise.
10862         (Symbol::has_tls_got_offset): Removed.
10863         (Symbol::tls_got_offset): Removed.
10864         (Symbol::set_tls_got_offset): Removed.
10865         (Symbol::got_offset_): Removed.
10866         (Symbol::tls_mod_got_offset_): Removed.
10867         (Symbol::tls_pair_got_offset_): Removed.
10868         (Symbol::got_offsets_): New field.
10869         (Symbol::has_got_offset): Removed.
10870         (Symbol::has_tls_mod_got_offset): Removed.
10871         (Symbol::has_tls_pair_got_offset): Removed.
10872         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
10873         (Target_x86_64::Scan::local): Updated callers of Output_data_got
10874         member functions.
10875         (Target_x86_64::Scan::global): Likewise.
10876         (Target_x86_64::Relocate::relocate): Likewise.
10877         (Target_x86_64::Relocate::relocate_tls): Likewise.
10878
10879 2008-03-25  Ben Elliston  <bje@au.ibm.com>
10880
10881         * yyscript.y: Fix spelling error in comment.
10882
10883 2008-03-24  Ian Lance Taylor  <iant@google.com>
10884
10885         * options.h (class General_options): Define build_id option.
10886         * layout.h (class Layout): Declare write_build_id, create_note,
10887         create_build_id.  Add build_id_note_ member.
10888         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
10889         "libiberty.h", "md5.h", "sha1.h".
10890         (Layout::Layout): Initialize eh_frame_data_,
10891         eh_frame_hdr_section_, and build_id_note_.
10892         (Layout::finalize): Call create_build_id.
10893         (Layout::create_note): New function, broken out of
10894         Layout::create_gold_note.
10895         (Layout::create_gold_note): Call create_note.
10896         (Layout::create_build_id): New function.
10897         (Layout::write_build_id): New function.
10898         (Close_task_runner::run): Call write_build_id.
10899
10900         * x86_64.cc: Correct license to GPLv3.
10901
10902 2008-03-23  Ian Lance Taylor  <iant@google.com>
10903
10904         * options.cc: Include "demangle.h".
10905         (parse_optional_string): New function.
10906         (parse_long_option): Handle takes_optional_argument.
10907         (parse_short_option): Update dash_z initializer.  Handle
10908         takes_optional_argument.
10909         (General_options::General_options): Initialize do_demangle_.
10910         (General_options::finalize): Set do_demangle_.  Handle demangling
10911         style.
10912         * options.h (parse_optional_string): Declare.
10913         (struct One_option): Add optional_arg field.  Update constructor.
10914         Update call constructor calls.  Add takes_optional_argument
10915         function.
10916         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
10917         (DEFINE_optional_string): Define.
10918         (General_options::demangle): Change from DEFINE_bool to
10919         DEFINE_optional_string.
10920         (General_options::no_demangle): New function.
10921         (General_options::do_demangle): New function.
10922         (General_options::set_do_demangle): New function.
10923         (General_options::execstack_status_): Move definition to end of
10924         class definition.
10925         (General_options::static_): Likewise.
10926         (General_options::do_demangle_): New field.
10927         * object.cc (big_endian>::get_symbol_location_info): Call
10928         Options::do_demangle, not Options::demangle.
10929         * symtab.cc (demangle): Likewise.
10930
10931 2008-03-22  Ian Lance Taylor  <iant@google.com>
10932
10933         * gold.h: Include <cstddef> and <sys/types.h>
10934         * options.h: Include <cstring>.
10935
10936 2008-03-21  Ian Lance Taylor  <iant@google.com>
10937
10938         * Added source code to GNU binutils.