Properly warn relocation in readonly section in a shared object.
[binutils.git] / gold / ChangeLog
blob08429b72cc4b9fd6d421cac348091f824b34ab58
1 2011-05-30  Ian Lance Taylor  <iant@google.com>
3         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
4         sections.
6 2011-05-29  Ian Lance Taylor  <iant@google.com>
8         PR gold/12804
9         * testsuite/Makefile.am: Use different file name for two_file_test
10         temporary file for each incremental test.
11         * testsuite/Makefile.in: Rebuild.
13 2011-05-29  Ian Lance Taylor  <iant@google.com>
15         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
16         binary input file is empty.
18 2011-05-27  Ian Lance Taylor  <iant@google.com>
20         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
21         (ver_test_9.so): Likewise.
22         * testsuite/Makefile.in: Rebuild.
24 2011-05-26 Cary Coutant  <ccoutant@google.com>
26         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
27         * incremental.cc (Incremental_inputs::report_input_section): Fix
28         comment, indentation.
29         (Incremental_inputs::report_comdat_group): New function.
30         (Output_section_incremental_inputs::set_final_data_size): Adjust size
31         of data for incremental input file entry.
32         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
33         group count, COMDAT group signatures.
34         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
35         an unchanged input file.
36         * incremental.h (Incremental_object_entry::Incremental_object_entry):
37         Initialize new data member.
38         (Incremental_object_entry::add_comdat_group): New function.
39         (Incremental_object_entry::get_comdat_group_count): New function.
40         (Incremental_object_entry::get_comdat_signature_key): New function.
41         (Incremental_object_entry::groups_): New data member.
42         (Incremental_inputs::report_comdat_group): New function.
43         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
44         data for incremental input file entry.
45         (Incremental_input_entry_reader::get_comdat_group_count): New function.
46         (Incremental_input_entry_reader::get_input_section): Adjust size of
47         data for incremental input file entry.
48         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
49         (Incremental_input_entry_reader::get_comdat_group_signature): New
50         function.
51         * object.cc (Sized_relobj::include_section_group): Report kept
52         COMDAT groups for incremental links.
54 2011-05-24  David Meyer  <pdox@google.com>
56         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
57         with name parameter.  Add found_name parameter.
58         * fileread.cc (Input_file::find_file): Adjust code accordingly.
59         * dirsearch.h (class Dirsearch): Update declaration.
61 2011-05-24  Ian Lance Taylor  <iant@google.com>
63         * archive.cc (Library_base::should_include_member): Pull in object
64         from archive if it defines the entry symbol.
65         * parameters.cc (Parameters::entry): New function.
66         * parameters.h (class Parameters): Declare entry.
67         * output.h (class Output_file_header): Remove entry_ field.
68         * output.cc (Output_file_header::Output_file_header): Remove entry
69         parameter.  Change all callers.
70         (Output_file_header::entry): Use parameters->entry.
71         * gold.cc (queue_middle_tasks): Likewise.
72         * plugin.cc (Plugin_hook::run): Likewise.
74 2011-05-24 Cary Coutant  <ccoutant@google.com>
76         * gold.cc (queue_initial_tasks): Pass incremental base filename
77         to Output_file::open_base_file; don't print error message.
78         * incremental-dump.cc (main): Adjust call to
79         Output_file::open_for_modification.
80         * incremental-dump.cc (main): Likewise.
81         * incremental.cc (Incremental_inputs::report_command_line):
82         Ignore --incremental-base option when comparing command lines.
83         Ignore parameter when given as separate argument.
84         * options.h (class General_options): Add --incremental-base.
85         * output.cc (Output_file::Output_file):
86         (Output_file::open_base_file): Add base_name and writable parameters;
87         read base file into new file; print error message here.
88         (Output_file::map_no_anonymous): Add writable parameter; adjust all
89         callers.
90         * output.h (Output_file::open_for_modification): Rename to...
91         (Output_file::open_base_file): ...this; add base_name and
92         writable parameters; adjust all callers.
93         (Output_file::map_no_anonymous): Add writable parameter; adjust all
94         callers.
95         * testsuite/Makefile.am (incremental_test_4): Test
96         --incremental-base.
97         * testsuite/Makefile.in: Regenerate.
99 2011-05-24 Cary Coutant  <ccoutant@google.com>
101         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
102         incremental_test_4.
103         * testsuite/Makefile.in: Regenerate.
104         * testsuite/two_file_test_1_v1.cc: New test source file.
105         * testsuite/two_file_test_1b_v1.cc: New test source file.
106         * testsuite/two_file_test_2_v1.cc: New test source file.
108 2011-05-24 Cary Coutant  <ccoutant@google.com>
110         * dynobj.h (Dynobj::do_dynobj): New function.
111         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
112         flag and soname for shared objects.
113         * incremental.cc (Incremental_inputs::report_object): Make
114         either Incremental_object_entry or Incremental_dynobj_entry; add
115         soname to string table.
116         (Incremental_inputs::report_input_section): Add assertion.
117         (Output_section_incremental_inputs::set_final_data_size): Adjust
118         type of input file entry for shared libraries; adjust size of
119         shared library info entry.
120         (Output_section_incremental_inputs::write_input_files): Write
121         as_needed flag for shared libraries.
122         (Output_section_incremental_inputs::write_info_blocks): Adjust type
123         of input file entry for shared libraries; write soname.
124         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
125         soname from incremental info.
126         * incremental.h (enum Incremental_input_flags): Add
127         INCREMENTAL_INPUT_AS_NEEDED.
128         (Incremental_input_entry::Incremental_input_entry): Initialize new
129         data member.
130         (Incremental_input_entry::set_as_needed): New function.
131         (Incremental_input_entry::as_needed): New function.
132         (Incremental_input_entry::do_dynobj_entry): New function.
133         (Incremental_input_entry::as_needed_): New data member.
134         (Incremental_object_entry::Incremental_object_entry): Don't check
135         for shared library.
136         (Incremental_object_entry::do_type): Likewise.
137         (class Incremental_dynobj_entry): New class.
138         (Incremental_input_entry_reader::as_needed): New function.
139         (Incremental_input_entry_reader::get_soname): New function.
140         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
141         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
142         size of shared library info entry.
143         * layout.cc (Layout::finish_dynamic_section): Don't test for 
144         incremental link when adding DT_NEEDED entries.
145         * object.h (Object::Object): Initialize new data member.
146         (Object::dynobj): New function.
147         (Object::set_as_needed): New function.
148         (Object::as_needed): New function.
149         (Object::do_dynobj): New function.
150         (Object::as_needed_): New data member.
152 2011-05-24 Cary Coutant  <ccoutant@google.com>
154         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
155         info; adjust display of GOT entries.
156         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
157         vector of input objects; remove file_status_.
158         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
159         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
160         got_plt reader; call target hooks to reserve GOT entries.
161         (Output_section_incremental_inputs::set_final_data_size): Adjust size
162         of input file info header and GOT info entry.
163         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
164         relocation info.
165         (Got_plt_view_info::got_descriptor): Remove.
166         (Got_plt_view_info::sym_index): New data member.
167         (Got_plt_view_info::input_index): New data member.
168         (Local_got_offset_visitor::visit): Write input file index.
169         (Global_got_offset_visitor::visit): Write 0 for input file index.
170         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
171         with sym_index and input_index.
172         (Output_section_incremental_inputs::write_got_plt): Adjust size of
173         incremental info GOT entry; replace got_descriptor with input_index.
174         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
175         map from input file index to object.
176         (Sized_relobj_incr::do_layout): Replace direct data member reference
177         with accessor function.
178         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
179         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
180         Adjust size of input file info header.
181         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
182         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
183         (Incremental_input_entry_reader::get_input_section): Adjust size of
184         input file info header.
185         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
186         of incremental info GOT entry.
187         (Incremental_got_plt_reader::get_got_desc): Remove.
188         (Incremental_got_plt_reader::get_got_symndx): New function.
189         (Incremental_got_plt_reader::get_got_input_index): New function.
190         (Sized_incremental_binary::Sized_incremental_binary): Remove
191         file_status_; add input_objects_.
192         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
193         (Sized_incremental_binary::set_file_is_unchanged): Remove.
194         (Sized_incremental_binary::file_is_unchanged): Remove.
195         (Sized_incremental_binary::set_input_object): New function.
196         (Sized_incremental_binary::input_object): New function.
197         (Sized_incremental_binary::file_status_): Remove.
198         (Sized_incremental_binary::input_objects_): New data member.
199         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
200         references.
201         (Sized_relobj_incr::invalid_address): Move to base class.
202         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
203         class.
204         (Sized_relobj_incr::do_output_section_offset): Likewise.
205         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
206         (Sized_relobj_incr::section_offsets_): Likewise.
207         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
208         function.
209         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
210         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
211         with accessor function.
212         (Sized_relobj_file::do_layout): Likewise.
213         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
214         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
215         (Sized_relobj_file::compute_final_local_value): Replace refs to
216         section_offsets_ with accessor function.
217         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
218         * object.h (Relobj::Relobj): Initialize new data members.
219         (Relobj::add_dyn_reloc): New function.
220         (Relobj::first_dyn_reloc): New function.
221         (Relobj::dyn_reloc_count): New function.
222         (Relobj::first_dyn_reloc_): New data member.
223         (Relobj::dyn_reloc_count_): New data member.
224         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
225         references.
226         (Sized_relobj::Address): New typedef.
227         (Sized_relobj::invalid_address): Move here from child class.
228         (Sized_relobj::Sized_relobj): Initialize new data members.
229         (Sized_relobj::sized_relobj): New function.
230         (Sized_relobj::is_output_section_offset_invalid): Move here from
231         child class.
232         (Sized_relobj::get_output_section_offset): Likewise.
233         (Sized_relobj::local_has_got_offset): Likewise.
234         (Sized_relobj::local_got_offset): Likewise.
235         (Sized_relobj::set_local_got_offset): Likewise.
236         (Sized_relobj::do_for_all_local_got_entries): Likewise.
237         (Sized_relobj::clear_got_offsets): New function.
238         (Sized_relobj::section_offsets): Move here from child class.
239         (Sized_relobj::do_output_section_offset): Likewise.
240         (Sized_relobj::do_set_section_offset): Likewise.
241         (Sized_relobj::Local_got_offsets): Likewise.
242         (Sized_relobj::local_got_offsets_): Likewise.
243         (Sized_relobj::section_offsets_): Likewise.
244         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
245         references.
246         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
247         class.
248         (Sized_relobj_file::sized_relobj): New function
249         (Sized_relobj_file::local_has_got_offset): Move to base class.
250         (Sized_relobj_file::local_got_offset): Likewise.
251         (Sized_relobj_file::set_local_got_offset): Likewise.
252         (Sized_relobj_file::get_output_section_offset): Likewise.
253         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
254         (Sized_relobj_file::do_output_section_offset): Likewise.
255         (Sized_relobj_file::do_set_section_offset): Likewise.
256         (Sized_relobj_file::Local_got_offsets): Likewise.
257         (Sized_relobj_file::local_got_offsets_): Likewise.
258         (Sized_relobj_file::section_offsets_): Likewise.
259         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
260         (all constructors).
261         (set_needs_dynsym_index): Convert relobj to derived class pointer.
262         (Output_reloc::get_symbol_index): Likewise.
263         (Output_reloc::local_section_offset): Likewise.
264         (Output_reloc::get_address): Likewise.
265         (Output_reloc::symbol_value): Likewise.
266         (Output_data_got::reserve_slot): Move to class definition.
267         (Output_data_got::reserve_local): New function.
268         (Output_data_got::reserve_slot_for_global): Remove.
269         (Output_data_got::reserve_global): New function.
270         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
271         (all constructors, two instantiations).
272         (Output_reloc::get_relobj): New function (two instantiations).
273         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
274         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
275         (Output_data_reloc::add_global): Adjust type of relobj.
276         (Output_data_reloc::add_global_relative): Likewise.
277         (Output_data_reloc::add_symbolless_global_addend): Likewise.
278         (Output_data_reloc::add_local): Likewise.
279         (Output_data_reloc::add_local_relative): Likewise.
280         (Output_data_reloc::add_symbolless_local_addend): Likewise.
281         (Output_data_reloc::add_local_section): Likewise.
282         (Output_data_reloc::add_output_section): Likewise.
283         (Output_data_reloc::add_absolute): Likewise.
284         (Output_data_reloc::add_target_specific): Likewise.
285         (Output_data_got::reserve_slot): Move definition here.
286         (Output_data_got::reserve_local): New function.
287         (Output_data_got::reserve_global): New function.
288         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
289         section_offsets_ with accessor function.
290         (Sized_relobj_file::write_sections): Likewise.
291         (Sized_relobj_file::do_relocate_sections): Likewise.
292         * target.h (Sized_target::reserve_local_got_entry): New function.
293         (Sized_target::reserve_global_got_entry): New function.
294         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
295         (Target_x86_64::reserve_global_got_entry): New function.
296         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
298 2011-05-23 Cary Coutant  <ccoutant@google.com>
300         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
301         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
302         bit when checking got_type.
303         * incremental.cc (Sized_incremental_binary::setup_readers):
304         Store symbol table and string table locations; initialize bit vector
305         of file status flags.
306         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
307         unchanged files.
308         (Sized_incremental_binary::do_process_got_plt): New function.
309         (Sized_incremental_binary::get_symtab_view): Use stored locations.
310         (Output_section_incremental_inputs::set_final_data_size): Record
311         file index for each input file.
312         (Output_section_incremental_inputs::write_got_plt): Store file index
313         instead of input entry offset for each GOT entry.
314         * incremental.h
315         (Incremental_input_entry::Incremental_input_entry): Initialize new
316         data member.
317         (Incremental_input_entry::set_offset): Store file index.
318         (Incremental_input_entry::get_file_index): New function.
319         (Incremental_input_entry::file_index_): New data member.
320         (Incremental_binary::process_got_plt): New function.
321         (Incremental_binary::do_process_got_plt): New function.
322         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
323         data members.
324         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
325         (Sized_incremental_binary::set_file_is_unchanged): New function.
326         (Sized_incremental_binary::file_is_unchanged): New function.
327         (Sized_incremental_binary::do_process_got_plt): New function.
328         (Sized_incremental_binary::file_status_): New data member.
329         (Sized_incremental_binary::main_symtab_loc_): New data member.
330         (Sized_incremental_binary::main_strtab_loc_): New data member.
331         * output.cc (Output_data_got::Got_entry::write): Add case
332         RESERVED_CODE.
333         (Output_data_got::add_global): Call add_got_entry.
334         (Output_data_got::add_global_plt): Likewise.
335         (Output_data_got::add_global_with_rel): Likewise.
336         (Output_data_got::add_global_with_rela): Likewise.
337         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
338         (Output_data_got::add_global_pair_with_rela): Likewise.
339         (Output_data_got::add_local): Call add_got_entry.
340         (Output_data_got::add_local_plt): Likewise.
341         (Output_data_got::add_local_with_rel): Likewise.
342         (Output_data_got::add_local_with_rela): Likewise.
343         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
344         (Output_data_got::add_local_pair_with_rela): Likewise.
345         (Output_data_got::reserve_slot): New function.
346         (Output_data_got::reserve_slot_for_global): New function.
347         (Output_data_got::add_got_entry): New function.
348         (Output_data_got::add_got_entry_pair): New function.
349         (Output_section::add_output_section_data): Edit FIXME.
350         * output.h
351         (Output_section_data_build::Output_section_data_build): New
352         constructor with size parameter.
353         (Output_data_space::Output_data_space): Likewise.
354         (Output_data_got::Output_data_got): Initialize new data member; new
355         constructor with size parameter.
356         (Output_data_got::add_constant): Call add_got_entry.
357         (Output_data_got::reserve_slot): New function.
358         (Output_data_got::reserve_slot_for_global): New function.
359         (class Output_data_got::Got_entry): Add RESERVED_CODE.
360         (Output_data_got::add_got_entry): New function.
361         (Output_data_got::add_got_entry_pair): New function.
362         (Output_data_got::free_list_): New data member.
363         * target.h (Sized_target::init_got_plt_for_update): New function.
364         (Sized_target::register_global_plt_entry): New function.
365         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
366         Initialize new data member; call init; add constructor with PLT count.
367         (Output_data_plt_x86_64::init): New function.
368         (Output_data_plt_x86_64::add_relocation): New function.
369         (Output_data_plt_x86_64::reserve_slot): New function.
370         (Output_data_plt_x86_64::free_list_): New data member.
371         (Target_x86_64::init_got_plt_for_update): New function.
372         (Target_x86_64::register_global_plt_entry): New function.
373         (Output_data_plt_x86_64::add_entry): Allocate from free list for
374         incremental updates.
375         (Output_data_plt_x86_64::add_relocation): New function.
376         * testsuite/object_unittest.cc (Object_test): Set default options.
378 2011-05-16  Ian Lance Taylor  <iant@google.com>
380         * options.h (class General_options): Make -i a synonym for -r.
382 2011-05-16  Ian Lance Taylor  <iant@google.com>
384         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
386 2011-05-10 Cary Coutant  <ccoutant@google.com>
388         * object.cc (Sized_relobj::do_count_local_symbols): Check for
389         strip_all (-s).
391 2011-05-06  Ian Lance Taylor  <iant@google.com>
393         * layout.cc (Layout::layout): If the output section flags change,
394         update the ordering.
396 2011-04-25 Cary Coutant  <ccoutant@google.com>
398         * incremental-dump.cc (dump_incremental_inputs): Print local
399         symbol info for each input file.
400         * incremental.cc
401         (Output_section_incremental_inputs::set_final_data_size): Add local
402         symbol info to input file entries in incremental info.
403         (Output_section_incremental_inputs::write_info_blocks): Likewise.
404         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
405         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
406         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
407         implementation.
408         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
409         (Sized_incr_relobj::do_relocate): Write the local symbols.
410         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
411         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
412         Adjust size of input file header.
413         (Incremental_inputs_reader::get_local_symbol_offset): New function.
414         (Incremental_inputs_reader::get_local_symbol_count): New function.
415         (Incremental_inputs_reader::get_input_section): Adjust size of input
416         file header.
417         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
418         (Sized_incr_relobj::This): New typedef.
419         (Sized_incr_relobj::sym_size): New const data member.
420         (Sized_incr_relobj::Local_symbol): New struct.
421         (Sized_incr_relobj::do_output_local_symbol_count): New function.
422         (Sized_incr_relobj::do_local_symbol_offset): New function.
423         (Sized_incr_relobj::local_symbol_count_): New data member.
424         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
425         (Sized_incr_relobj::local_symbol_index_): New data member.
426         (Sized_incr_relobj::local_symbol_offset_): New data member.
427         (Sized_incr_relobj::local_dynsym_offset_): New data member.
428         (Sized_incr_relobj::local_symbols_): New data member.
429         * object.h (Relobj::output_local_symbol_count): New function.
430         (Relobj::local_symbol_offset): New function.
431         (Relobj::do_output_local_symbol_count): New function.
432         (Relobj::do_local_symbol_offset): New function.
433         (Sized_relobj::do_output_local_symbol_count): New function.
434         (Sized_relobj::do_local_symbol_offset): New function.
436 2011-04-22  Vladimir Simonov  <sv@sw.ru>
438         * descriptors.cc (set_close_on_exec): New function.
439         (Descriptors::open): Use set_close_on_exec.
440         * output.cc (S_ISLNK): Define if not defined.
442 2011-04-22 Cary Coutant  <ccoutant@google.com>
444         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
445         global symbol map.
446         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
447         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
448         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
449         relocations.
450         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
451         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
452         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
453         * incremental.h
454         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
455         function.
456         (Incremental_binary::apply_incremental_relocs): New function.
457         (Incremental_binary::do_apply_incremental_relocs): New function.
458         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
459         data member.
460         (Sized_incremental_binary::add_global_symbol): New function.
461         (Sized_incremental_binary::global_symbol): New function.
462         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
463         (Sized_incremental_binary::symbol_map_): New data member.
464         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
465         * target.h (Sized_target::apply_relocation): New function.
466         * target-reloc.h (apply_relocation): New function.
467         * x86_64.cc (Target_x86_64::apply_relocation): New function.
469 2011-04-22  Doug Kwan  <dougkwan@google.com>
471         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
472         flag of a SHT_ARM_EXIDX section.
473         * testsuite/Makefile.am (arm_exidx_test): New test rules.
474         * testsuite/Makefile.in: Regenerate.
475         * testsuite/arm_exidx_test.s: New file.
476         * testsuite/arm_exidx_test.sh: Same.
478 2011-04-20 Cary Coutant  <ccoutant@google.com>
480         PR gold/12689
481         * archive.h (Incremental_archive_entry::Archive_member):
482         Initialize arg_serial_ (second constructor).
484 2011-04-17  Ian Lance Taylor  <iant@google.com>
486         * object.cc (Relocate_info::location): Simplify location string.
487         * errors.cc (Errors::error_at_location): Don't print program
488         name.
489         (Errors::warning_at_location): Likewise.
490         (Errors::undefined_symbol): Likewise.
491         * testsuite/debug_msg.sh: Update accordingly.
493 2011-04-14 Cary Coutant  <ccoutant@google.com>
495         * gold/layout.cc (Layout::symtab_section_offset): New function.
496         * gold/layout.h (Layout::symtab_section_offset): New function.
497         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
499 2011-04-12  Ian Lance Taylor  <iant@google.com>
501         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
502         with MREMAP_MAYMOVE.
503         * output.h (class Output_file): Add map_is_allocated_ field.
504         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
505         not available, provide stubs.  If mremap is not available, #define
506         it to gold_mremap.
507         (MREMAP_MAYMOVE): Define if not defined.
508         (Output_file::Output_file): Initialize map_is_allocated_.
509         (Output_file::resize): Check map_is_allocated_.
510         (Output_file::map_anonymous): If mmap fails, use malloc.
511         (Output_file::unmap): Don't do anything for an anonymous map.
512         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
513         is not available, provide stubs.
514         (File_read::View::~View): Use free rather than delete[].
515         (File_read::make_view): Use malloc rather than new[].  If mmap
516         fails, use malloc.
517         (File_read::find_or_make_view): Use malloc rather than new[].
518         * gold.h: Remove HAVE_REMAP code.
519         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
520         exists.  Rename mremap to gold_mremap.  If mmap is not available
521         don't do anything.
522         * configure, config.in: Rebuild.
524 2011-04-11  Ian Lance Taylor  <iant@google.com>
526         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
527         initialize local variable v.
529 2011-04-11  Cary Coutant  <ccoutant@google.com>
531         * archive.cc (Archive::include_member): Adjust call to
532         report_object.
533         (Add_archive_symbols::run): Track argument serial numbers.
534         (Lib_group::include_member): Likewise.
535         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
536         * archive.h (Incremental_archive_entry::Archive_member):
537         Initialize arg_serial_.
538         (Archive_member::arg_serial_): New data member.
539         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
540         (Sized_dynobj::do_add_symbols): Track symbols when doing an
541         incremental link.
542         (Sized_dynobj::do_for_all_local_got_entries): New function.
543         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
544         function.
545         * fileread.cc (get_mtime): New function.
546         * fileread.h (get_mtime): New function.
547         * gold.cc (queue_initial_tasks): Check for incremental update.
548         (process_incremental_input): New function.
549         (queue_middle_tasks): Don't force valid target for incremental
550         update.
551         * incremental-dump.cc (find_input_containing_global): Adjust
552         size of symbol info entry.
553         (dump_incremental_inputs): Dump argument serial number and
554         in_system_directory flag; bias shndx by 1; print symbol names
555         when dumping per-file symbol lists; use new symbol info readers.
556         * incremental.cc
557         (Output_section_incremental_inputs:update_data_size): New function.
558         (Sized_incremental_binary::setup_readers): Setup input readers
559         for each input file; build maps for files added from libraries
560         and scripts.
561         (Sized_incremental_binary::check_input_args): New function.
562         (Sized_incremental_binary::do_check_inputs): Build map of argument
563         serial numbers to input arguments.
564         (Sized_incremental_binary::do_file_has_changed): Rename
565         do_file_is_unchanged to this; compare file modification times.
566         (Sized_incremental_binary::do_init_layout): New function.
567         (Sized_incremental_binary::do_reserve_layout): New function.
568         (Sized_incremental_binary::do_get_input_reader): Remove.
569         (Sized_incremental_binary::get_symtab_view): New function.
570         (Incremental_checker::can_incrementally_link_output_file): Remove.
571         (Incremental_inputs::report_command_line): Exclude --debug options.
572         (Incremental_inputs::report_archive_begin): Add parameter; track
573         argument serial numbers; don't put input file entry for archive
574         before archive members.
575         (Incremental_inputs::report_archive_end): Put input file entry
576         for archive after archive members.
577         (Incremental_inputs::report_object): Add parameter; track argument
578         serial numbers and in_system_directory flag.
579         (Incremental_inputs::report_script): Add parameter; track argument
580         serial numbers.
581         (Output_section_incremental_inputs::set_final_data_size): Adjust
582         size of symbol info entry; check for forwarding symbols.
583         (Output_section_incremental_inputs::write_input_files): Write
584         in_system_directory flag and argument serial number.
585         (Output_section_incremental_inputs::write_info_blocks): Map section
586         indices between incremental info and original input file; store
587         input section index for each symbol.
588         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
589         change operator() to visit().
590         (class Global_got_offset_visitor): Likewise.
591         (class Global_symbol_visitor_got_plt):
592         (Output_section_incremental_inputs::write_got_plt): Use new visitor
593         classes.
594         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
595         (Sized_incr_relobj::do_read_symbols): New function.
596         (Sized_incr_relobj::do_layout): New function.
597         (Sized_incr_relobj::do_layout_deferred_sections): New function.
598         (Sized_incr_relobj::do_add_symbols): New function.
599         (Sized_incr_relobj::do_should_include_member): New function.
600         (Sized_incr_relobj::do_for_all_global_symbols): New function.
601         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
602         (Sized_incr_relobj::do_section_size): New function.
603         (Sized_incr_relobj::do_section_name): New function.
604         (Sized_incr_relobj::do_section_contents): New function.
605         (Sized_incr_relobj::do_section_flags): New function.
606         (Sized_incr_relobj::do_section_entsize): New function.
607         (Sized_incr_relobj::do_section_address): New function.
608         (Sized_incr_relobj::do_section_type): New function.
609         (Sized_incr_relobj::do_section_link): New function.
610         (Sized_incr_relobj::do_section_info): New function.
611         (Sized_incr_relobj::do_section_addralign): New function.
612         (Sized_incr_relobj::do_initialize_xindex): New function.
613         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
614         (Sized_incr_relobj::do_read_relocs): New function.
615         (Sized_incr_relobj::do_gc_process_relocs): New function.
616         (Sized_incr_relobj::do_scan_relocs): New function.
617         (Sized_incr_relobj::do_count_local_symbols): New function.
618         (Sized_incr_relobj::do_finalize_local_symbols): New function.
619         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
620         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
621         (Sized_incr_relobj::do_relocate): New function.
622         (Sized_incr_relobj::do_set_section_offset): New function.
623         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
624         (Sized_incr_dynobj::do_read_symbols): New function.
625         (Sized_incr_dynobj::do_layout): New function.
626         (Sized_incr_dynobj::do_add_symbols): New function.
627         (Sized_incr_dynobj::do_should_include_member): New function.
628         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
629         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
630         (Sized_incr_dynobj::do_section_size): New function.
631         (Sized_incr_dynobj::do_section_name): New function.
632         (Sized_incr_dynobj::do_section_contents): New function.
633         (Sized_incr_dynobj::do_section_flags): New function.
634         (Sized_incr_dynobj::do_section_entsize): New function.
635         (Sized_incr_dynobj::do_section_address): New function.
636         (Sized_incr_dynobj::do_section_type): New function.
637         (Sized_incr_dynobj::do_section_link): New function.
638         (Sized_incr_dynobj::do_section_info): New function.
639         (Sized_incr_dynobj::do_section_addralign): New function.
640         (Sized_incr_dynobj::do_initialize_xindex): New function.
641         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
642         (make_sized_incremental_object): New function.
643         (Incremental_library::copy_unused_symbols): New function.
644         (Incremental_library::do_for_all_unused_symbols): New function.
645         * incremental.h (enum Incremental_input_flags): New type.
646         (class Incremental_checker): Remove.
647         (Incremental_input_entry::Incremental_input_entry): Add argument
648         serial number.
649         (Incremental_input_entry::arg_serial): New function.
650         (Incremental_input_entry::set_is_in_system_directory): New function.
651         (Incremental_input_entry::is_in_system_directory): New function.
652         (Incremental_input_entry::arg_serial_): New data member.
653         (Incremental_input_entry::is_in_system_directory_): New data member.
654         (class Script_info): Move here from script.h.
655         (Script_info::Script_info): Add filename parameter.
656         (Script_info::filename): New function.
657         (Script_info::filename_): New data member.
658         (Incremental_script_entry::Incremental_script_entry): Add argument
659         serial number.
660         (Incremental_object_entry::Incremental_object_entry): Likewise.
661         (Incremental_object_entry::add_input_section): Build list of input
662         sections with map to original shndx.
663         (Incremental_object_entry::get_input_section_index): New function.
664         (Incremental_object_entry::shndx_): New data member.
665         (Incremental_object_entry::name_key_): Rename; adjust all refs.
666         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
667         (Incremental_archive_entry::Incremental_archive_entry): Add argument
668         serial number.
669         (Incremental_inputs::report_archive_begin): Likewise.
670         (Incremental_inputs::report_object): Likewise.
671         (Incremental_inputs::report_script): Likewise.
672         (class Incremental_global_symbol_reader): New class.
673         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
674         and store flags and input file type.
675         (Incremental_input_entry_reader::arg_serial): New function.
676         (Incremental_input_entry_reader::type): Extract type from flags.
677         (Incremental_input_entry_reader::is_in_system_directory): New function.
678         (Incremental_input_entry_reader::get_input_section_count): Call
679         accessor function for type.
680         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
681         function for type; adjust size of global symbol entry.
682         (Incremental_input_entry_reader::get_global_symbol_count): Call
683         accessor function for type.
684         (Incremental_input_entry_reader::get_object_count): Likewise.
685         (Incremental_input_entry_reader::get_object_offset): Likewise.
686         (Incremental_input_entry_reader::get_member_count): Likewise.
687         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
688         (Incremental_input_entry_reader::get_member_offset): Likewise.
689         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
690         (Incremental_input_entry_reader::Global_symbol_info): Remove.
691         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
692         (Incremental_input_entry_reader::get_global_symbol_reader): New
693         function.
694         (Incremental_input_entry_reader::get_output_symbol_index): New
695         function.
696         (Incremental_input_entry_reader::type_): Remove.
697         (Incremental_input_entry_reader::flags_): New data member.
698         (Incremental_inputs_reader::input_file_offset): New function.
699         (Incremental_inputs_reader::input_file_index): New function.
700         (Incremental_inputs_reader::input_file): Call input_file_offset.
701         (Incremental_inputs_reader::input_file_at_offset): New function.
702         (Incremental_relocs_reader::get_r_type): Reformat.
703         (Incremental_relocs_reader::get_r_shndx): Reformat.
704         (Incremental_relocs_reader::get_r_offset): Reformat.
705         (Incremental_relocs_reader::data): New function.
706         (Incremental_binary::Incremental_binary): Initialize new data members.
707         (Incremental_binary::check_inputs): Add cmdline parameter.
708         (Incremental_binary::file_is_unchanged): Remove.
709         (Input_reader::arg_serial): New function.
710         (Input_reader::get_unused_symbol_count): New function.
711         (Input_reader::get_unused_symbol): New function.
712         (Input_reader::do_arg_serial): New function.
713         (Input_reader::do_get_unused_symbol_count): New function.
714         (Input_reader::do_get_unused_symbol): New function.
715         (Incremental_binary::input_file_count): New function.
716         (Incremental_binary::get_input_reader): Change signature to use
717         index instead of filename.
718         (Incremental_binary::file_has_changed): New function.
719         (Incremental_binary::get_input_argument): New function.
720         (Incremental_binary::get_library): New function.
721         (Incremental_binary::get_script_info): New function.
722         (Incremental_binary::init_layout): New function.
723         (Incremental_binary::reserve_layout): New function.
724         (Incremental_binary::output_file): New function.
725         (Incremental_binary::do_check_inputs): New function.
726         (Incremental_binary::do_file_is_unchanged): Remove.
727         (Incremental_binary::do_file_has_changed): New function.
728         (Incremental_binary::do_init_layout): New function.
729         (Incremental_binary::do_reserve_layout): New function.
730         (Incremental_binary::do_input_file_count): New function.
731         (Incremental_binary::do_get_input_reader): Change signature.
732         (Incremental_binary::input_args_map_): New data member.
733         (Incremental_binary::library_map_): New data member.
734         (Incremental_binary::script_map_): New data member.
735         (Sized_incremental_binary::Sized_incremental_binary): Initialize
736         new data members.
737         (Sized_incremental_binary::output_section): New function.
738         (Sized_incremental_binary::inputs_reader): Add const.
739         (Sized_incremental_binary::symtab_reader): Add const.
740         (Sized_incremental_binary::relocs_reader): Add const.
741         (Sized_incremental_binary::got_plt_reader): Add const.
742         (Sized_incremental_binary::get_symtab_view): New function.
743         (Sized_incremental_binary::Inputs_reader): New typedef.
744         (Sized_incremental_binary::Input_entry_reader): New typedef.
745         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
746         (Sized_incremental_binary::do_file_is_unchanged): Remove.
747         (Sized_incremental_binary::do_file_has_changed): New function.
748         (Sized_incremental_binary::do_init_layout): New function.
749         (Sized_incremental_binary::do_reserve_layout): New function.
750         (Sized_input_reader::Inputs_reader): Remove.
751         (Sized_input_reader::Input_entry_reader): Remove.
752         (Sized_input_reader::do_arg_serial): New function.
753         (Sized_input_reader::do_get_unused_symbol_count): New function.
754         (Sized_input_reader::do_get_unused_symbol): New function.
755         (Sized_incremental_binary::do_input_file_count): New function.
756         (Sized_incremental_binary::do_get_input_reader): Change signature;
757         use index instead of filename.
758         (Sized_incremental_binary::section_map_): New data member.
759         (Sized_incremental_binary::input_entry_readers_): New data member.
760         (class Sized_incr_relobj): New class.
761         (class Sized_incr_dynobj): New class.
762         (make_sized_incremental_object): New function.
763         (class Incremental_library): New class.
764         * layout.cc (Free_list::num_lists): New static data member.
765         (Free_list::num_nodes): New static data member.
766         (Free_list::num_removes): New static data member.
767         (Free_list::num_remove_visits): New static data member.
768         (Free_list::num_allocates): New static data member.
769         (Free_list::num_allocate_visits): New static data member.
770         (Free_list::init): New function.
771         (Free_list::remove): New function.
772         (Free_list::allocate): New function.
773         (Free_list::dump): New function.
774         (Free_list::print_stats): New function.
775         (Layout_task_runner::run): Resize output file for incremental updates.
776         (Layout::Layout): Initialize new data members.
777         (Layout::set_incremental_base): New function.
778         (Layout::init_fixed_output_section): New function.
779         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
780         incremental updates.
781         (Layout::create_gold_note): Do not create gold note section for
782         incremental updates.
783         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
784         for incremental updates.
785         (Layout::set_section_offsets): For incremental updates, allocate space
786         from free list.
787         (Layout::create_symtab_sections): Layout with offsets relative to
788         start of section; for incremental updates, allocate space from free
789         list.
790         (Layout::create_shdrs): For incremental updates, allocate space from
791         free list.
792         (Layout::finish_dynamic_section): For incremental updates, do not
793         check --as-needed (fixed in subsequent patch).
794         * layout.h (class Free_list): New class.
795         (Layout::set_incremental_base): New function.
796         (Layout::incremental_base): New function.
797         (Layout::init_fixed_output_section): New function.
798         (Layout::allocate): New function.
799         (Layout::incremental_base_): New data member.
800         (Layout::free_list_): New data member.
801         * main.cc (main): Print Free_list statistics.
802         * object.cc (Relobj::finalize_incremental_relocs): Add
803         clear_counts parameter; clear counts only when clear_counts is set.
804         (Sized_relobj::Sized_relobj): Initialize new base class.
805         (Sized_relobj::do_layout): Don't report special sections.
806         (Sized_relobj::do_for_all_local_got_entries): New function.
807         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
808         symtab_off to all symbol table offsets.
809         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
810         * object.h (class Got_offset_list): Move to top of file.
811         (Object::Object): Allow case where input_file == NULL.
812         (Object::~Object): Likewise.
813         (Object::input_file): Assert that input_file != NULL.
814         (Object::lock): Allow case where input_file == NULL.
815         (Object::unlock): Likewise.
816         (Object::is_locked): Likewise.
817         (Object::token): Likewise.
818         (Object::release): Likewise.
819         (Object::is_incremental): New function.
820         (Object::get_mtime): New function.
821         (Object::for_all_local_got_entries): New function.
822         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
823         (Object::set_is_in_system_directory): New function.
824         (Object::is_in_system_directory): New function.
825         (Object::do_is_incremental): New function.
826         (Object::do_get_mtime): New function.
827         (Object::do_for_all_local_got_entries): New function.
828         (Object::is_in_system_directory_): New data member.
829         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
830         (class Sized_relobj_base): New class.
831         (class Sized_relobj): Derive from Sized_relobj_base.
832         (class Sized_relobj::Symbols): Redeclare from base class.
833         (class Sized_relobj::local_got_offset_list): Remove.
834         (class Sized_relobj::Output_sections): Redeclare from base class.
835         (class Sized_relobj::do_for_all_local_got_entries): New function.
836         (class Sized_relobj::write_local_symbols): Add offset parameter.
837         (class Sized_relobj::local_symbol_offset_): Update comment.
838         (class Sized_relobj::local_dynsym_offset_): Update comment.
839         * options.cc (Input_arguments::add_file): Remove const.
840         * options.h (Input_file_argument::Input_file_argument):
841         Initialize arg_serial_ (all constructors).
842         (Input_file_argument::set_arg_serial): New function.
843         (Input_file_argument::arg_serial): New function.
844         (Input_file_argument::arg_serial_): New data member.
845         (Input_arguments::Input_arguments): Initialize file_count_.
846         (Input_arguments::add_file): Remove const.
847         (Input_arguments::number_of_input_files): New function.
848         (Input_arguments::file_count_): New data member.
849         (Command_line::number_of_input_files): Call
850         Input_arguments::number_of_input_files.
851         * output.cc (Output_segment_headers::Output_segment_headers):
852         Set current size.
853         (Output_section::Input_section::current_data_size): New function.
854         (Output_section::Output_section): Initialize new data members.
855         (Output_section::add_input_section): Don't do merge sections for
856         an incremental link; allocate space from free list for an
857         incremental update.
858         (Output_section::add_output_section_data): Allocate space from
859         free list for an incremental update.
860         (Output_section::update_data_size): New function.
861         (Output_section::set_fixed_layout): New function.
862         (Output_section::reserve): New function.
863         (Output_segment::set_section_addresses): Remove const.
864         (Output_segment::set_section_list_addresses): Remove const; allocate
865         space from free list for an incremental update.
866         (Output_segment::set_offset): Adjust size of RELRO segment for an
867         incremental update.
868         * output.h (Output_data::current_data_size): Move here from
869         child classes.
870         (Output_data::pre_finalize_data_size): New function.
871         (Output_data::update_data_size): New function.
872         (Output_section_headers::update_data_size): new function.
873         (Output_section_data_build::current_data_size): Move to Output_data.
874         (Output_data_strtab::update_data_size): New function.
875         (Output_section::current_data_size): Move to Output_data.
876         (Output_section::set_fixed_layout): New function.
877         (Output_section::has_fixed_layout): New function.
878         (Output_section::reserve): New function.
879         (Output_section::update_data_size): New function.
880         (Output_section::has_fixed_layout_): New data member.
881         (Output_section::free_list_): New data member.
882         (Output_segment::set_section_addresses): Remove const.
883         (Output_segment::set_section_list_addresses): Remove const.
884         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
885         New function.
886         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
887         New function.
888         * readsyms.cc (Read_symbols::do_read_symbols): Add library
889         parameter when calling Add_symbols constructor; store argument
890         serial number for members of a lib group.
891         (Add_symbols::locks): Allow case where token == NULL.
892         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
893         (Read_member::~Read_member): New function.
894         (Read_member::is_runnable): New function.
895         (Read_member::locks): New function.
896         (Read_member::run): New function.
897         (Check_script::~Check_script): New function.
898         (Check_script::is_runnable): New function.
899         (Check_script::locks): New function.
900         (Check_script::run): New function.
901         (Check_library::~Check_library): New function.
902         (Check_library::is_runnable): New function.
903         (Check_library::locks): New function.
904         (Check_library::run): New function.
905         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
906         (Add_symbols::library_): New data member.
907         (class Read_member): New class.
908         (class Check_script): New class.
909         (class Check_library): New class.
910         * reloc.cc (Read_relocs::is_runnable): Allow case where
911         token == NULL.
912         (Read_relocs::locks): Likewise.
913         (Scan_relocs::locks): Likewise.
914         (Relocate_task::locks): Likewise.
915         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
916         to clear counters.
917         (Sized_relobj::incremental_relocs_scan): Fix comment.
918         (Sized_relobj::do_relocate): Pass output file offset to
919         write_local_symbols.
920         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
921         from class declaration.
922         * script.cc (read_input_script): Allocate Script_info; pass
923         argument serial number to report_script.
924         * script.h (class Script_info): Move to incremental.h.
925         * symtab.cc (Symbol_table::add_from_incrobj): New function.
926         * symtab.h (Symbol_table::add_from_incrobj): New function.
927         (Symbol_table::set_file_offset): New function.
929 2011-04-05  Cary Coutant  <ccoutant@google.com>
931         * incremental-dump.cc (dump_incremental_inputs): Change signature
932         to take a Sized_incremental_binary; change caller.  Use readers
933         in Sized_incremental_binary.
934         * incremental.cc
935         (Sized_incremental_binary::find_incremental_inputs_sections):
936         Rename do_find_incremental_inputs_sections to this.
937         (Sized_incremental_binary::setup_readers): New function.
938         (Sized_incremental_binary::do_check_inputs): Check
939         has_incremental_info_ flag; move setup code to setup_readers;
940         use input readers.
941         (Sized_incremental_binary::do_file_is_unchanged): New function.
942         (Sized_incremental_binary::do_get_input_reader): New function.
943         * incremental.h (class Incremental_binary): Move to end of file.
944         (Incremental_binary::file_is_unchanged): New function.
945         (Incremental_binary::do_file_is_unchanged): New function.
946         (Incremental_binary::Input_reader): New class.
947         (Incremental_binary::get_input_reader): New function.
948         (class Sized_incremental_binary): Move to end of file.
949         (Sized_incremental_binary::Sized_incremental_binary): Setup the
950         input section reader classes.
951         (Sized_incremental_binary::has_incremental_info): New function.
952         (Sized_incremental_binary::inputs_reader): New function.
953         (Sized_incremental_binary::symtab_reader): New function.
954         (Sized_incremental_binary::relocs_reader): New function.
955         (Sized_incremental_binary::got_plt_reader): New function.
956         (Sized_incremental_binary::do_file_is_unchanged): New function.
957         (Sized_incremental_binary::Sized_input_reader): New class.
958         (Sized_incremental_binary::get_input_reader): New function.
959         (Sized_incremental_binary::find_incremental_inputs_sections):
960         Rename do_find_incremental_inputs_sections to this.
961         (Sized_incremental_binary::setup_readers): New function.
962         (Sized_incremental_binary::has_incremental_info_): New data member.
963         (Sized_incremental_binary::inputs_reader_): New data member.
964         (Sized_incremental_binary::symtab_reader_): New data member.
965         (Sized_incremental_binary::relocs_reader_): New data member.
966         (Sized_incremental_binary::got_plt_reader_): New data member.
967         (Sized_incremental_binary::current_input_file_): New data member.
969 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
971         PR gold/12640
972         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
973         violation.
975 2011-03-30  Cary Coutant  <ccoutant@google.com>
977         * archive.cc (Archive::include_member): Adjust call to report_object.
978         (Add_archive_symbols::run): Add script_info to call to
979         report_archive_begin.
980         (Lib_group::include_member): Adjust call to report_object.
981         (Add_lib_group_symbols::run): Adjust call to report_object.
982         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
983         blocks.  Add object count for script input files.
984         * incremental.cc (Incremental_inputs::report_archive_begin): Add
985         script_info parameter; change all callers.
986         (Incremental_inputs::report_object): Add script_info parameter;
987         change all callers.
988         (Incremental_inputs::report_script): Store backpointer to
989         incremental info entry.
990         (Output_section_incremental_inputs::set_final_data_size): Record
991         additional information for scripts.
992         (Output_section_incremental_inputs::write_info_blocks): Likewise.
993         * incremental.h (Incremental_script_entry::add_object): New function.
994         (Incremental_script_entry::get_object_count): New function.
995         (Incremental_script_entry::get_object): New function.
996         (Incremental_script_entry::objects_): New data member; adjust
997         constructor.
998         (Incremental_inputs::report_archive_begin): Add script_info parameter.
999         (Incremental_inputs::report_object): Add script_info parameter.
1000         (Incremental_inputs_reader::get_object_count): New function.
1001         (Incremental_inputs_reader::get_object_offset): New function.
1002         * options.cc (Input_arguments::add_file): Return reference to
1003         new input argument.
1004         * options.h (Input_argument::set_script_info): New function.
1005         (Input_argument::script_info): New function.
1006         (Input_argument::script_info_): New data member; adjust all
1007         constructors.
1008         (Input_file_group::add_file): Return reference to new input argument.
1009         (Input_file_lib::add_file): Likewise.
1010         (Input_arguments::add_file): Likewise.
1011         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1012         * script.cc (Parser_closure::Parser_closure): Add script_info
1013         parameter; adjust all callers.
1014         (Parser_closure::script_info): New function.
1015         (Parser_closure::script_info_): New data member.
1016         (read_input_script): Report scripts earlier to incremental info.
1017         (script_add_file): Set script_info in Input_argument.
1018         (script_add_library): Likewise.
1019         * script.h (Script_options::Script_info): Rewrite class.
1021 2011-03-29  Cary Coutant  <ccoutant@google.com>
1023         * archive.cc (Library_base::should_include_member): Move
1024         method here from class Archive.
1025         (Archive::Archive): Initialize base class.
1026         (Archive::should_include_member): Move to base class.
1027         (Archive::do_for_all_unused_symbols): New function.
1028         (Add_archive_symbols::run): Remove redundant access to
1029         incremental_inputs.
1030         (Lib_group::Lib_group): Initialize base class.
1031         (Lib_group::do_filename): New function.
1032         (Lib_group::include_member): Pass pointer to Lib_group to
1033         report_object.
1034         (Lib_group::do_for_all_unused_symbols): New function.
1035         (Add_lib_group_symbols::run): Report archive information for
1036         incremental links.
1037         * archive.h (class Library_base): New base class.
1038         (class Archive): Derive from Library_base.
1039         (Archive::filename): Move to base class.
1040         (Archive::set_incremental_info): Likewise.
1041         (Archive::incremental_info): Likewise.
1042         (Archive::Should_include): Likewise.
1043         (Archive::should_include_member): Likewise.
1044         (Archive::Armap_entry): Remove.
1045         (Archive::Unused_symbol_iterator): Remove.
1046         (Archive::unused_symbols_begin): Remove.
1047         (Archive::unused_symbols_end): Remove.
1048         (Archive::do_filename): New function.
1049         (Archive::do_get_mtime): New function.
1050         (Archive::do_for_all_unused_symbols): New function.
1051         (Archive::task_): Move to base class.
1052         (Archive::incremental_info_): Likewise.
1053         (class Lib_group): Derive from Library_base.
1054         (Lib_group::do_filename): New function.
1055         (Lib_group::do_get_mtime): New function.
1056         (Lib_group::do_for_all_unused_symbols): New function.
1057         (Lib_group::task_): Move to base class.
1058         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1059         function.
1060         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1061         function.
1062         * incremental.cc (Incremental_inputs::report_archive_begin):
1063         Use Library_base; call library's get_mtime; add incremental inputs
1064         entry before members.
1065         (class Unused_symbol_visitor): New class.
1066         (Incremental_inputs::report_archive_end): Use Library_base; use
1067         visitor class to record unused symbols; don't add incremental inputs
1068         entry after members.
1069         (Incremental_inputs::report_object): Use Library_base.
1070         * incremental.h
1071         (Incremental_archive_entry::Incremental_archive_entry): Remove
1072         unused Archive parameter.
1073         (Incremental_inputs::report_archive_begin): Use Library_base.
1074         (Incremental_inputs::report_archive_end): Likewise.
1075         (Incremental_inputs::report_object): Likewise.
1076         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1077         function.
1078         * object.h (Object::for_all_global_symbols): New function.
1079         (Object::do_for_all_global_symbols): New function.
1080         (Sized_relobj::do_for_all_global_symbols): New function.
1081         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1082         function.
1083         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1084         function.
1086 2011-03-27  Ian Lance Taylor  <iant@google.com>
1088         * archive.cc (Archive::interpret_header): Return -1 if something
1089         goes wrong.  Change callers accordingly.
1091 2011-03-25  Cary Coutant  <ccoutant@google.com>
1093         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1094         * testsuite/Makefile.in: Regenerate.
1096 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1098         * plugin.cc (get_view): New.
1099         (Plugin::load): Pass get_view to the plugin.
1100         (Plugin_manager::get_view): New.
1102 2011-03-21  Ian Lance Taylor  <iant@google.com>
1104         * testsuite/final_layout.sh: Rewrite to not use dc.
1105         * testsuite/relro_test.sh: Fail if dc is not present.
1107 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1109         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1110         Change == to -eq.
1111         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1112         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1113         Change == to -eq.
1114         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1115         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1117 2011-03-14  Ian Lance Taylor  <iant@google.com>
1119         * script-sections.cc (Sort_output_sections::script_compare):
1120         Rename from is_before, change return type.
1121         (Sort_output_sections::operator()): Adjust accordingly.
1123 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1125         PR gold/12572
1126         * testsuite/odr_violation2.cc: Add comment to make all error line
1127         numbers double digits.
1128         * testsuite/debug_msg.sh: Adjust expected errors.
1130 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1132         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1133         but mark earlier ones as non-canonical
1134         (offset_to_iterator): Update search target and example
1135         (do_addr2line): Return extra lines in a vector*
1136         (format_file_lineno): Extract from do_addr2line
1137         (one_addr2line): Add vector* out-param
1138         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1139         when a lineno entry appeared last for its instruction
1140         (Dwarf_line_info): Add vector* out-param
1141         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1142         * symtab.cc (Odr_violation_compare): Include the lineno in the
1143         comparison again.
1144         (linenos_from_loc): New. Combine the canonical line for an
1145         address with its other lines.
1146         (True_if_intersect): New. Helper functor to make
1147         std::set_intersection a query.
1148         (detect_odr_violations): Compare sets of lines instead of just
1149         one line for each function. This became less deterministic, but
1150         has fewer false positives.
1151         * symtab.h: Declarations.
1152         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1153         mix an optimized and non-optimized object in the same binary
1154         (odr_violation2.so): Same.
1155         * testsuite/Makefile.in: Regenerate from Makefile.am.
1156         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1157         * testsuite/debug_msg.sh: Update line numbers and add
1158         assertions.
1159         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1160         non-optimized context.
1161         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1162         isn't inlined, and use OdrDerived in an optimized context.
1163         * testsuite/odr_header1.h: Defines OdrDerived, where
1164         optimization will change the
1165         first-instruction-in-the-destructor's file and line number.
1166         * testsuite/odr_header2.h: Defines OdrBase.
1168 2011-03-09  Ian Lance Taylor  <iant@google.com>
1170         * fileread.cc (File_read::clear_views): Don't delete the whole
1171         file view.
1173 2011-03-08  Ian Lance Taylor  <iant@google.com>
1175         PR gold/12525
1176         * fileread.cc: #include <climits>.
1177         (GOLD_IOV_MAX): Define.
1178         (File_read::read_multiple): Limit number of entries by iov_max.
1179         * fileread.h (class File_read): Always set max_readv_entries to
1180         128.
1182 2011-03-07  Ian Lance Taylor  <iant@google.com>
1184         PR gold/12525
1185         * options.h (class General_options): Add -dy and -dn.
1187 2011-03-02  Cary Coutant  <ccoutant@google.com>
1189         * testsuite/script_test_9.t: Add TLS segment.
1191 2011-03-02  Simon Baldwin  <simonb@google.com>
1193         * configure.ac: Add check for gnu_indirect_function support in
1194         the toolchain building binutils.
1195         * configure: Rebuild.
1197 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1199         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1200         plugin only symbols.
1201         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1202         in plugin files as not needed in the symbol table.
1204 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1206         * output.cc (Output_section::add_input_section): Delay fill
1207         generation for section ordering.
1209 2011-02-09  Ian Lance Taylor  <iant@google.com>
1211         PR gold/12316
1212         * object.h (class Sized_relobj): Remove clear_local_symbols.
1213         * reloc.cc (Sized_relobj::do_relocate): Don't call
1214         clear_local_symbols.
1216 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1218         * plugin.cc (is_visible_from_outside): Return true for symbols
1219         in the -u option.
1221 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1223         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1224         filename.
1226 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1228         * icf.h (is_section_foldable_candidate): Change type of parameter
1229         to std::string.
1230         * icf.cc (Icf::find_identical_sections): Change type of local variable
1231         section_name to be std::string.
1232         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1234 2011-01-25  Ian Lance Taylor  <iant@google.com>
1236         * script.cc (script_add_extern): Rewrite to use
1237         add_symbol_reference.
1239 2011-01-25  Doug Kwan  <dougkwan@google.com>
1241         * icf.cc (get_section_contents): Always lock section's object.
1243 2011-01-24  Ian Lance Taylor  <iant@google.com>
1245         * options.h (class General_options): Accept
1246         --no-detect-odr-violations.
1248 2011-01-24  Ian Lance Taylor  <iant@google.com>
1250         * version.cc (version_string): Bump to 1.11.
1252 2011-01-24  Ian Lance Taylor  <iant@google.com>
1254         * plugin.cc (class Plugin_rescan): Define new class.
1255         (Plugin_manager::claim_file): Set any_claimed_.
1256         (Plugin_manager::save_archive): New function.
1257         (Plugin_manager::save_input_group): New function.
1258         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1259         necessary.
1260         (Plugin_manager::new_undefined_symbol): New function.
1261         (Plugin_manager::rescan): New function.
1262         (Plugin_manager::rescannable_defines): New function.
1263         (Plugin_manager::add_input_file): Set any_added_.
1264         * plugin.h (class Plugin_manager): define new fields rescannable_,
1265         undefined_symbols_, any_claimed_, and any_added_.  Declare
1266         Plugin_rescan as friend.  Declare new functions.
1267         (Plugin_manager::Rescannable): Define type.
1268         (Plugin_manager::Rescannable_list): Define type.
1269         (Plugin_manager::Undefined_symbol_list): Define type.
1270         (Plugin_manager::Plugin_manager): Initialize new fields.
1271         * archive.cc (Archive::defines_symbol): New function.
1272         (Add_archive_symbols::run): Pass archive to plugins if any.
1273         * archive.h (class Archive): Declare defines_symbol.
1274         * readsyms.cc (Input_group::~Input_group): New function.
1275         (Finish_group::run): Pass input_group to plugins if any.
1276         * readsyms.h (class Input_group): Declare destructor.
1277         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1278         any.
1280 2011-01-10  Ian Lance Taylor  <iant@google.com>
1282         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1283         section as relro.
1284         (Layout::set_segment_offsets): Reset increase_relro before calling
1285         set_section_addresses a second time.
1287 2011-01-04  Cary Coutant  <ccoutant@google.com>
1289         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1290         sections before NOBITS sections.
1292 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1294         * version.cc (print_version): Update copyright to 2011.
1296 2010-12-23  Cary Coutant  <ccoutant@google.com>
1298         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1299         of OS to this->add.  Add OD parameter to second form of the function.
1301 2010-12-20  Ian Lance Taylor  <iant@google.com>
1303         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1304         second of two consecutive entries with same offset.
1306 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1308         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1309         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1310         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1311         to avoid unneeded links against $(LDADD).
1312         * testsuite/Makefile.in: Regenerate.
1314 2010-12-15  Ian Lance Taylor  <iant@google.com>
1316         PR gold/12324
1317         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1318         for R_X86_64_32 and R_X86_64_PC32.
1319         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1320         ver_matching_def_pic.o.
1321         (ver_matching_def_pic.o): New target.
1323 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1325         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
1326         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
1327         Move definition before File_read::View member definitions.
1328         (File_read::View::~View): Initialize and hold lock before
1329         updating current_mapped_bytes.
1331 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1333         * dwarf_reader.cc: Remove outdated comment.
1334         * gold-threads.cc: Fix typo in error message.
1335         * archive.cc: Fix typos in comments.
1336         * archive.h: Likewise.
1337         * arm-reloc-property.cc: Likewise.
1338         * arm-reloc-property.h: Likewise.
1339         * arm-reloc.def: Likewise.
1340         * arm.cc: Likewise.
1341         * attributes.h: Likewise.
1342         * cref.cc: Likewise.
1343         * ehframe.cc: Likewise.
1344         * fileread.h: Likewise.
1345         * gold.h: Likewise.
1346         * i386.cc: Likewise.
1347         * icf.cc: Likewise.
1348         * incremental.h: Likewise.
1349         * int_encoding.cc: Likewise.
1350         * layout.h: Likewise.
1351         * main.cc: Likewise.
1352         * merge.h: Likewise.
1353         * object.cc: Likewise.
1354         * object.h: Likewise.
1355         * options.cc: Likewise.
1356         * readsyms.cc: Likewise.
1357         * reduced_debug_output.cc: Likewise.
1358         * reloc.cc: Likewise.
1359         * script-sections.cc: Likewise.
1360         * sparc.cc: Likewise.
1361         * symtab.h: Likewise.
1362         * target-reloc.h: Likewise.
1363         * target.cc: Likewise.
1364         * target.h: Likewise.
1365         * timer.cc: Likewise.
1366         * timer.h: Likewise.
1367         * x86_64.cc: Likewise.
1369 2010-12-09  Cary Coutant  <ccoutant@google.com>
1371         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
1372         stack.
1373         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
1374         parameter; change all callers.
1375         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
1376         * options.h (warn_execstack): New option.
1378 2010-12-07  Doug Kwan  <dougkwan@google.com>
1380         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
1381         like function call relocations.
1383 2010-12-07  Ian Lance Taylor  <iant@google.com>
1385         * archive.cc (Archive::get_elf_object_for_member): Permit
1386         punconfigured to be NULL.
1387         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
1388         (Archive::include_member): Pass NULL to get_elf_object_for_member
1389         if we searched for the archive and this is the first included
1390         object.
1392 2010-12-01  Ian Lance Taylor  <iant@google.com>
1394         * dwarf_reader.h (class Sized_dwarf_line_info): Add
1395         track_relocs_type_ field.
1396         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1397         Set track_relocs_type_.
1398         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
1399         contents when using RELA relocs.
1400         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
1401         reloc_map_.
1402         * reloc.cc (Track_relocs::next_addend): New function.
1403         * reloc.h (class Track_relocs): Declare next_addend.
1405 2010-12-01  Ian Lance Taylor  <iant@google.com>
1407         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
1408         virtual destructor.
1410 2010-12-01  Ian Lance Taylor  <iant@google.com>
1412         * README: Update compilers known to work and fail.
1414 2010-11-23  Matthias Klose  <doko@ubuntu.com>
1416         * configure.in: For --enable-gold, handle value `default' instead of
1417         `both*'.  Always install ld as ld.bfd, install as ld if gold is
1418         not the default.
1419         * configure: Regenerate.
1421 2010-11-18  Doug Kwan  <dougkwan@google.com>
1423         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
1424         and right_alignment to be zero.  Store result alignment only if it is
1425         greater than existing alignment.
1427 2010-11-16  Cary Coutant  <ccoutant@google.com>
1429         PR gold/12220
1430         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1431         Check for ".zdebug_line".
1433 2010-11-16  Doug Kwan  <dougkwan@google.com>
1434             Cary Coutant  <ccoutant@google.com>
1436         * output.h (Output_segment::set_section_addresses): Pass increase_relro
1437         by reference; adjust all callers.
1438         * output.cc (Output_segment::set_section_addresses): Adjust references
1439         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
1440         list is empty.
1441         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
1442         end at page boundary.
1444 2010-11-16  Cary Coutant  <ccoutant@google.com>
1446         PR gold/12220
1447         * layout.cc (Layout::choose_output_section): Transform names of
1448         compressed sections even when using a script with a SECTIONS clause.
1449         (Layout::output_section_name): Remove code to transform
1450         compressed debug section names.
1451         * output.cc (Output_section::add_input_section): Use uncompressed
1452         section size when tracking input sections.
1454 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
1456         * symtab.h (Symbol::NON_PIC_REF): Remove.
1457         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
1458         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
1459         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
1460         (Symbol::use_plt_offset): Take a flags argument and pass it
1461         directly to needs_dynamic_reloc.  Restrict check for undefined
1462         weak symbols to function calls.
1463         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
1464         (Target_arm::Scan::global): Use it.
1465         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
1466         (Target_arm::Relocate::relocate): Likewise.
1467         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
1468         parameter with an r_type parameter.  Use get_reference_flags
1469         to get the flags.
1470         (Target_arm::Relocate::relocate): Update accordingly.
1471         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
1472         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
1473         (Target_i386::Scan::global): Likewise.
1474         (Target_i386::Relocate::relocate): Likewise.
1475         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
1476         parameter with an r_type parameter.  Use get_reference_flags
1477         to get the flags.
1478         (Target_i386::Relocate::relocate): Update accordingly.
1479         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1480         (Target_powerpc::Scan::global): Use it.
1481         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1482         (Target_powerpc::Relocate::relocate): Likewise.
1483         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1484         (Target_sparc::Scan::global): Use it.
1485         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1486         (Target_sparc::Relocate::relocate): Likewise.
1487         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1488         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1489         (Target_x86_64::Scan::global): Likewise.
1490         (Target_x86_64::Relocate::relocate): Likewise.
1492 2010-11-08  Doug Kwan  <dougkwan@google.com>
1493             Cary Coutant  <ccoutant@google.com>
1495         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1496         (Arm_exidx_merge_section::section_contents_): New data member.
1497         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1498         (Arm_input_section::~Arm_input_section): De-allocate memory.
1499         (Arm_input_section::original_contents_): New data member.       
1500         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1501         in parameters instead of calling Object::section_contents without
1502         locking.
1503         (Arm_output_section::group_section): New parameter TASK.  Pass it
1504         to callees that need locking objects.
1505         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1506         to lock EXIDX input sections.  Fix a formatting issue.  Call
1507         Arm_exidx_merged_section::build_contents to create merged section
1508         contents.
1509         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1510         to lock object of stub table owner.
1511         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1512         TEXT_SIZE to initialize data member TEXT_SIZE_.
1513         (Arm_exidx_input_section::addralign): Fix typo in comment.
1514         (Arm_exidx_input_section::text_size): New method.
1515         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1516         that require locking objects.  Lock objects before scanning for stubs
1517         and updating local symbols.
1518         (Arm_input_section<big_endian>::init): Copy contents of original
1519         input section.
1520         (Arm_input_section<big_endian>::do_write): Use saved contents of
1521         original input section instead of calling Object::section_contents
1522         without locking.
1523         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1524         size without calling Object::section_size().
1525         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1526         for size.  Allocate a buffer for merged EXIDX entries.
1527         (Arm_exidx_merged_section::build_contents): New method.
1528         (Arm_exidx_merged_section::do_write): Move merge section contents
1529         building code to Arm_exidx_merged_section::build_contetns.  Write
1530         out contetns in buffer instead of building it on the fly.
1531         (Arm_relobj::make_exidx_input_section): Also pass text section size
1532         to Arm_exidx_input_section constructor.
1533         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1534         (Arm_dynobj::do_read_symbols): Fix memory leak.
1535         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1536         * target.h: (class Task): Add forward declaration.
1537         (Target::relax): Add new parameter TASK and pass it to
1538         Target::do_relax().
1539         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1541 2010-11-05  Cary Coutant  <ccoutant@google.com>
1543         PR gold/10708
1544         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1545         object when reading from the file.
1546         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1547         second layout pass.
1548         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1549         when reading section contents.
1550         (get_section_contents): Likewise.
1551         (icf::find_identical_sections): Likewise.
1552         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1553         object when reading from the file.
1554         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1555         the object when doing deferred section layout.
1557 2010-11-03  Nick Clifton  <nickc@redhat.com>
1559         PR gold/12001
1560         * script.h (class Symbol_assignment: name): New member.  Returns
1561         the name of the symbol.
1562         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1563         Returns true if the given symbol name is on the list of
1564         assignments wating to be processed.
1565         * archive.cc (should_incldue_member): If the symbol is undefined,
1566         check to see if it is on the list of symbols pending assignment.
1568 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1570         * script-sections.cc (Script_sections::find_memory_region): Check
1571         for a NULL output section pointer.
1573 2010-10-29  Doug Kwan  <dougkwan@google.com>
1575         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1576         Output_section::add_relaxed_input_section.
1577         * output.cc (Output_section::add_relaxed_input_section): Add new
1578         arguments LAYOUT and NAME.  Set section order index.
1579         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1580         Copy section order index.
1581         * output.h (Output_section::add_relaxed_input_section): Add new
1582         arguments LAYOUT and NAME.
1584 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1586         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1587         NATIVE_OR_CROSS_LINKER.
1588         * testsuite/Makefile.in: Regenerate.
1590 2010-10-20  Doug Kwan  <dougkwan@google.com>
1592         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1593         without SHF_LINK_ORDER flags.
1594         * layout.cc (Layout::choose_output_section): Do not filter
1595         SHF_LINK_ORDER flag in a relocatable link.
1597 2010-10-17  Cary Coutant  <ccoutant@google.com>
1599         * output.h (Output_segment::set_section_addresses): Change function
1600         signature.  Update all callers.
1601         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1602         sections.
1603         (Output_segment::set_section_addresses): Align after last TLS
1604         section.  Add padding before last relro section instead of after.
1606 2010-10-17  Doug Kwan  <dougkwan@google.com>
1608         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1609         GOT output section to be writable.
1611 2010-10-14  Cary Coutant  <ccoutant@google.com>
1613         * debug.h (DEBUG_INCREMENTAL): New flag.
1614         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1615         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1616         mode.
1617         * incremental.cc (report_command_line): Ignore all forms of
1618         --incremental.
1619         * layout.cc (Layout::Layout): Check parameters for incremental link
1620         mode.
1621         * options.cc (General_options::parse_incremental): New function.
1622         (General_options::parse_no_incremental): New function.
1623         (General_options::parse_incremental_full): New function.
1624         (General_options::parse_incremental_update): New function.
1625         (General_options::incremental_mode_): New data member.
1626         (General_options::finalize): Check incremental_mode_.
1627         * options.h (General_options): Update help text for --incremental.
1628         Add --no-incremental, --incremental-full, --incremental-update.
1629         (General_options::Incremental_mode): New enum type.
1630         (General_options::incremental_mode): New function.
1631         (General_options::incremental_mode_): New data member.
1632         * parameters.cc (Parameters::incremental_mode_): New data member.
1633         (Parameters::set_options): Set incremental_mode_.
1634         (Parameters::set_incremental_full): New function.
1635         (Parameters::incremental): New function.
1636         (Parameters::incremental_update): New function.
1637         (set_parameters_incremental_full): New function.
1638         * parameters.h (Parameters::set_incremental_full): New function.
1639         (Parameters::incremental): New function.
1640         (Parameters::incremental_update): New function.
1641         (Parameters::incremental_mode_): New data member.
1642         (set_parameters_incremental_full): New function.
1643         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1644         incremental link mode.
1645         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1646         (Sized_relobj::do_relocate_sections): Likewise.
1647         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1648         option.
1649         * testsuite/Makefile.in: Regenerate.
1650         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1652 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1654         * script-sections.h (class Script_sections): Make
1655         Sections_elements typedef public.
1656         * script-sections.cc (class Sort_output_sections): Add elements_
1657         field.  Add constructor which sets it; change all callers.
1658         (Sort_output_sections::is_before): New function.
1659         (Sort_output_sections::operator()): Call is_before.
1660         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1661         conditional.
1662         * testsuite/script_test_10.sh: New test. Test script section
1663         order.
1664         * testsuite/script_test_10.t: Likewise.
1665         * testsuite/script_test_10.s: Likewise.
1666         * testsuite/Makefile.am: Wrap the cross linker tests and the
1667         common tests into NATIVE_OR_CROSS_LINKER.
1668         (check_SCRIPTS): Add script_test_10.sh.
1669         (check_DATA): Add script_test_10.stdout.
1670         (script_test_10.o, script_test_10): New targets.
1671         (script_test_10.stdout): New target.
1672         * configure, testsuite/Makefile.in: Regenerate.
1674 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1676         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1677         error for the deprecated relocations.
1678         (Target_arm::Scan::global): Likewise.
1679         (Target_arm::Relocate::relocate): Likewise.
1681 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1683         * fileread.cc (Input_file::find_file): Initialize *found_name
1684         and *namep when using the fallback search for case 4.
1686 2010-10-11  Cary Coutant  <ccoutant@google.com>
1688         * options.h (class General_options): Redefine -z lazy as an alias for
1689         the negation of -z now.
1691 2010-10-11  Ian Lance Taylor  <iant@google.com>
1693         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1694         binding.
1696 2010-10-06  Nick Clifton  <nickc@redhat.com>
1698         * script-sections.cc(class Memory_region): Remove
1699         current_lma_offset_ field.  Rename current_vma_offset_ to
1700         current_offset_.  Add last_section_ field.
1701         (Memory_region::get_current_vma_address): Rename to
1702         get_current_address.
1703         (Memory_region::get_current_lma_address): Delete.
1704         (Memory_region::increment_vma_offset): Rename to
1705         increment_offset.
1706         (Memory_region::increment_lma_offset): Delete.
1707         (Memory_region::attributes_compatible): New method.  Returns
1708         true if the provided section is compatible with the region.
1709         (Memory_region::get_last_section): New method.  Returns the last
1710         section to use the region.
1711         (Memory_region::set_last_section): New method.  Stores the last
1712         section to use the region.
1713         (Script_sections::block_in_region): New method.  Returns true if
1714         a block of memory is contained within a region.
1715         (Script_sections::find_memory_region): New method.  Locates a
1716         memory region to be used to set a VMA or LMA address.
1717         (Output_section_definition::set_section_addresses): Add code to
1718         check for addresses set by memory regions.
1719         (Output_segment::set_section_addresses): Remove memory region
1720         walking code.
1721         (Script_sections::create_segment): Add a warning if a header
1722         segment is created outside of any region.
1723         * script-sections.h (class Script_sections): Add prototypes for
1724         find_memory_region and block_in_region methods.
1725         * testsuite/memory_test.s: Use .long instead of .word.
1726         * testsuite/memory_test.t: Add some more output sections.
1727         * testsuite/memory_test.sh: Update expected output.
1729 2010-10-02  Doug Kwan  <dougkwan@google.com>
1731         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1732         defintion to symtab.h
1733         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1734         declaration to defintion.
1736 2010-10-01  Nick Clifton  <nickc@redhat.com>
1738         * expression.cc (eval): Replace dummy argument with NULL.
1739         (eval_maybe_dot): Check for a NULL result section pointer.
1740         (Symbol_expression::value): Likewise.
1741         (Dot_expression::value): Likewise.
1742         (BINARY_EXPRESSION): Likewise.
1743         (Max_expression::value): Likewise.
1744         (Min_expression::value): Likewise.
1745         (Absolute_expression::value): Likewise.
1746         (Addr_expression::value_from_output_section): Likewise.
1747         (Loaddddr_expression::value_from_output_section): Likewise.
1748         (Segment_start_expression::value): Likewise.
1749         * script-sections.cc
1750         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1751         argument with NULL.
1752         (Sections_elememt_dot_assignment::set_section_addresses):
1753         Likewise.
1754         (Output_data_expression::do_write_to_buffer): Likewise.
1755         (Output_section_definition::finalize_symbols): Likewise.
1756         (Output_section_definition::set_section_addresses): Likewise.
1758 2010-09-30  Doug Kwan  <dougkwan@google.com>
1760         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1762 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1764         * target.h (Target::can_icf_inline_merge_sections): New virtual
1765         function.
1766         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1767         virtual function.
1768         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1769         virtual function.
1770         * icf.cc (get_section_contents): Inline merge sections only when
1771         target allows it.
1773 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1775         * configure: Regenerate.
1777 2010-09-17  Ian Lance Taylor  <iant@google.com>
1779         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1780         * testsuite/Makefile.am (memory_test.o): New target.
1781         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1782         memory_test.t.
1783         * testsuite/Makefile.in: Rebuild.
1785 2010-09-17  Doug Kwan  <dougkwan@google.com>
1787         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
1788         defintion if relocation uses GOT entries of the symbol.
1789         * testsuite/icf_safe_test.sh: Fix test.
1790         * testsuite/icf_safe_so_test.sh: Fix test.
1792 2010-09-16  Cary Coutant  <ccoutant@google.com>
1794         * script_sections.cc (class Memory_region): Remove "NULL" from
1795         vector initializations.
1797 2010-09-15  Cary Coutant  <ccoutant@google.com>
1799         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
1800         Resolve forwarding symbols.
1802 2010-09-15  Doug Kwan  <dougkwan@google.com>
1804         * gold/testsuite/script_test_3.t: Add ARM special sections.
1805         * gold/testsuite/script_test_4.t: Same.
1806         * gold/testsuite/script_test_5.t: Same.
1807         * gold/testsuite/script_test_6.t: Same.
1808         * gold/testsuite/script_test_7.t: Same.
1809         * gold/testsuite/script_test_7.t: Same.
1810         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
1812 2010-09-14  Cary Coutant  <ccoutant@google.com>
1814         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
1815         (Target_x86_64::Relocate::relocate_tls): Replace check for
1816         saw_tls_block_reloc_ with test for executable section.
1818 2010-09-12  Cary Coutant  <ccoutant@google.com>
1820         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
1821         position-independent executables to shared libraries need dynamic
1822         relocations.
1823         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
1824         position-independent executables.
1825         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
1826         * testsuite/Makefile.in: Regenerate.
1828 2010-09-10  Nick Clifton  <nickc@redhat.com>
1830         PR gold/11997
1831         * testsuite/memory_test.t: Discard any sections that are not
1832         needed.
1834 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1836         PR gold/11996
1837         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
1838         "This::" to work around a bug in gcc 4.2.
1840         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
1842 2010-09-09  Rafael Espindola  <espindola@google.com>
1844         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
1845         sections with different PF_X flags in the same segment.
1846         (Layout::find_first_load_seg): Search all segments to find the first
1847         one.
1848         * options.h (rosegment): New.
1850 2010-09-08  Rafael Espindola  <espindola@google.com>
1852         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
1854 2010-09-08  Doug Kwan  <dougkwan@google.com>
1856         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
1857         (Arm_relobj::do_relocate_sections): Add new parameter for output
1858         file to match the parent.
1859         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
1860         of local symbols instead of input values.  Update code to track
1861         changes in gold::relocate_section.
1862         * object.cc (Sized_relobj::compute_final_local_value): New methods.
1863         (Sized_relobj::compute_final_local_value_internal): New methods.
1864         (Sized_relobj::do_finalize_local_symbols): Move code from loop
1865         body into private version of Sized_relobj::compute_final_local_value.
1866         Call the inline method.
1867         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
1868         merged symbol value if there is one.
1869         (Symbol_value::has_output_value): New method defintiion.
1870         (Sized_relobj::Compute_final_local_value_status): New enum type.
1871         (Sized_relobj::compute_final_local_value): New methods.
1872         (Sized_relobj::compute_final_local_value_internal): New methods.
1873         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
1874         and arm_cortex_a8.sh.
1875         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
1876         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
1877         New tests.
1878         * Makefile.in: Regenerate.
1879         * testsuite/arm_bl_out_of_range.s: Update test.
1880         * testsuite/thumb_bl_out_of_range.s: Ditto.
1881         * testsuite/thumb_blx_out_of_range.s: Ditto.
1882         * testsuite/arm_branch_out_of_range.sh: New file.
1883         * testsuite/arm_cortex_a8.sh: Ditto.
1884         * testsuite/arm_cortex_a8_b.s: Ditto.
1885         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
1886         * testsuite/arm_cortex_a8_b_local.s: Ditto.
1887         * testsuite/arm_cortex_a8_bl.s: Ditto.
1888         * testsuite/arm_cortex_a8_blx.s: Ditto.
1889         * testsuite/arm_cortex_a8_local.s: Ditto.
1890         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
1891         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
1893 2010-09-08  Rafael Espindola  <espindola@google.com>
1895         * Makefile.am (memory_test.stdout): Run readelf with -W.
1896         * Makefile.in: Regenerate.
1897         * testsuite/memory_test.sh: Make the regexps accept both 32 and
1898         64 bit output.
1900 2010-09-08  Rafael Espindola  <espindola@google.com>
1902         * script-sections.cc (Script_sections::add_memory_region): Convert
1903         field precision to int.
1904         * script.cc (script_set_section_region, script_set_section_region):
1905         Convert field precision to int.
1907 2010-09-08  Rafael Espindola  <espindola@google.com>
1909         * arm.cc (do_finalize_sections): Create the __exidx_start and
1910         __exdix_end symbols even when the section is missing.
1912 2010-09-08  Nick Clifton  <nickc@redhat.com>
1914         * README: Remove claim that MEMORY is not supported.
1915         * expression.cc (script_exp_function_origin)
1916         (script_exp_function_length): Move from here to ...
1917         * script.cc: ... here.
1918         (script_set_section_region, script_add_memory)
1919         (script_parse_memory_attr, script_include_directive): New
1920         functions.
1921         * script-sections.cc
1922         (class Memory_region): New class.
1923         (class Output_section_definition): Add set_memory_region,
1924         set_section_vma, set_section_lma and get_section_name methods.
1925         (class Script_Sections): Add add_memory_region,
1926         find_memory_region, find_memory_region_origin,
1927         find_memory_region_length and set_memory_region methods.
1928         Have set_section_addresses method walk the list of set memory
1929         regions.
1930         Extend the print methos to display memory regions.
1931         * script-sections.h: Add prototypes for new methods.
1932         Add enum for MEMORY region attributes.
1933         * yyscript.y: Add support for parsing MEMORY regions.
1934         * script-c.h: Add prototypes for new functions.
1935         * testsuite/Makefile.am: Add test of MEMORY region functionality.
1936         * testsuite/Makefile.in: Regenerate.
1937         * testsuite/memory_test.sh: New script.
1938         * testsuite/memory_test.s: New assembler source file.
1939         * testsuite/memory_test.t: New linker script.
1941 2010-08-27  Doug Kwan  <dougkwan@google.com>
1943         * gold/resolve.cc (Symbol_table::should_override): Let a weak
1944         reference override an existing dynamic weak reference.
1945         * testsuite/Makefile.am: Add new test dyn_weak_ref.
1946         * testsuite/Makefile.in: Regenerate.
1947         * testsuite/dyn_weak_ref.sh: New file.
1948         * testsuite/dyn_weak_ref_1.c: Ditto.
1949         * testsuite/dyn_weak_ref_2.c: Ditto.
1951 2010-08-27  Ian Lance Taylor  <iant@google.com>
1953         * incremental.h (class Incremental_input_entry): Add virtual
1954         destructor.
1956 2010-08-27  Ian Lance Taylor  <iant@google.com>
1958         * testsuite/start_lib_test_3.c: Mark t3 as used.
1960 2010-08-27  Nick Clifton  <nickc@redhat.com>
1962         * options.cc (version_script): Fix small typo in previous
1963         whitespace tidyup.
1965 2010-08-25  Nick Clifton  <nickc@redhat.com>
1967         * archive.cc: Formatting fixes: Remove whitespace between
1968         typename and following asterisk.  Remove whitespace between
1969         function name and opening parenthesis.
1970         * archive.h: Likewise.
1971         * arm.cc: Likewise.
1972         * attributes.cc: Likewise.
1973         * attributes.h: Likewise.
1974         * common.cc: Likewise.
1975         * copy-relocs.cc: Likewise.
1976         * dirsearch.h: Likewise.
1977         * dynobj.cc: Likewise.
1978         * ehframe.cc: Likewise.
1979         * ehframe.h: Likewise.
1980         * expression.cc: Likewise.
1981         * fileread.cc: Likewise.
1982         * fileread.h: Likewise.
1983         * gc.h: Likewise.
1984         * gold-threads.cc: Likewise.
1985         * gold.cc: Likewise.
1986         * i386.cc: Likewise.
1987         * icf.h: Likewise.
1988         * incremental-dump.cc: Likewise.
1989         * incremental.cc: Likewise.
1990         * layout.cc: Likewise.
1991         * layout.h: Likewise.
1992         * main.cc: Likewise.
1993         * merge.cc: Likewise.
1994         * merge.h: Likewise.
1995         * object.cc: Likewise.
1996         * object.h: Likewise.
1997         * options.cc: Likewise.
1998         * options.h: Likewise.
1999         * output.cc: Likewise.
2000         * output.h: Likewise.
2001         * plugin.cc: Likewise.
2002         * plugin.h: Likewise.
2003         * powerpc.cc: Likewise.
2004         * reloc.cc: Likewise.
2005         * script-c.h: Likewise.
2006         * script-sections.cc: Likewise.
2007         * script.cc: Likewise.
2008         * stringpool.cc: Likewise.
2009         * symtab.cc: Likewise.
2010         * symtab.h: Likewise.
2011         * target.cc: Likewise.
2012         * timer.cc: Likewise.
2013         * timer.h: Likewise.
2014         * version.cc: Likewise.
2015         * x86_64.cc: Likewise.
2017 2010-08-24  Nick Clifton  <nickc@redhat.com>
2019         PR 11899
2020         * layout.cc (segment_precedes): Sort segments by their physical
2021         addresses, if they have been set.
2023 2010-08-23  Cary Coutant  <ccoutant@google.com>
2025         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2026         symbols data.
2027         (Lib_group::include_member): Unlock object after deleting its
2028         symbols data.
2029         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2030         the bug fixed here.
2032 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2033             Cary Coutant  <ccoutant@google.com>
2035         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2036         constructor, and set_blocker.
2037         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2038         readsyms_blocker_.
2039         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2040         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2041         * testsuite/Makefile.am (start_lib_test): New test case.
2042         * testsuite/Makefile.in: Regenerate.
2043         * testsuite/start_lib_test_main.c: New file.
2044         * testsuite/start_lib_test_1.c: New file.
2045         * testsuite/start_lib_test_2.c: New file.
2046         * testsuite/start_lib_test_3.c: New file.
2048 2010-08-19  Ian Lance Taylor  <iant@google.com>
2050         * Makefile.in: Rebuild with automake 1.11.1.
2051         * aclocal.m4: Likewise.
2052         * testsuite/Makefile.in: Likewise.
2054 2010-08-19  Ian Lance Taylor  <iant@google.com>
2056         PR 10893
2057         * i386.cc (class Output_data_plt_i386): Update declarations.
2058         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2059         local_ifuncs_ fields.
2060         (Target_i386::do_plt_section_for_global): New function.
2061         (Target_i386::do_plt_section_for_local): New function.
2062         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2063         parameter; change all callers.  Initialize global_ifuncs_ and
2064         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2065         __rel_iplt_end.
2066         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2067         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2068         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2069         symbols.
2070         (Target_i386::make_plt_section): New function, broken out of
2071         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2072         (Target_i386::make_plt_entry): Call make_plt_section.
2073         (Target_i386::make_local_ifunc_plt_entry): New function.
2074         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2075         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2076         R_386_IRELATIVE to switch.
2077         (Target_i386::Scan::global): Likewise.
2078         (Target_i386::Relocate::relocate): Likewise.
2079         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2080         switch.
2081         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2082         (Target_x86_64::do_plt_section_for_global): New function.
2083         (Target_x86_64::do_plt_section_for_local): New function.
2084         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2085         parameter; change all callers.  If doing a static link define
2086         __rela_iplt_start and __rela_iplt_end.
2087         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2088         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2089         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2090         to point to .plt.
2091         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2092         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2093         switch.
2094         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2095         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2096         R_X86_64_IRELATIVE to switch.
2097         (Target_x86_64::Scan::global): Likewise.
2098         (Target_x86_64::Relocate::relocate): Likewise.
2099         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2100         switch.
2101         * target.h (class Target): Add plt_section_for_global and
2102         plt_section_for_local functions.  Add do_plt_section_for_global
2103         and do_plt_section_for_local virtual functions.
2104         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2105         clarifying comments.
2106         (Symbol::use_plt_offset): Handle IFUNC symbol.
2107         * object.cc (Sized_relobj::Sized_relobj): Initialize
2108         local_plt_offsets_.
2109         (Sized_relobj::local_has_plt_offset): New function.
2110         (Sized_relobj::local_plt_offset): New function.
2111         (Sized_relobj::set_local_plt_offset): New function.
2112         (Sized_relobj::do_count): Handle IFUNC symbol.
2113         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2114         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2115         is_ifunc_symbol functions.
2116         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2117         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2118         local_plt_offsets_ field.
2119         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2120         * output.h (class Output_section_data): Add non-const
2121         output_section function.
2122         (class Output_data_got): Update declarations.
2123         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2124         Add use_plt_offset parameter to global and local constructors.
2125         Change all callers.  Change local_sym_index_ field to 31 bits.
2126         Change GSYM_CODE and CONSTANT_CODE accordingly.
2127         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2128         doing a static link don't set sh_link field.
2129         (Output_data_got::Got_entry::write): Use PLT offset if
2130         appropriate.
2131         (Output_data_got::add_global_plt): New function.
2132         (Output_data_got::add_local_plt): New function.
2133         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2134         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2135         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2136         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2137         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2138         IFUNC conditional.
2139         * testsuite/ifunc-sel.h: New file.
2140         * testsuite/ifuncmain1.c: New file.
2141         * testsuite/ifuncmain1vis.c: New file.
2142         * testsuite/ifuncmod1.c: New file.
2143         * testsuite/ifuncdep2.c: New file.
2144         * testsuite/ifuncmain2.c: New file.
2145         * testsuite/ifuncmain3.c: New file.
2146         * testsuite/ifuncmod3.c: New file.
2147         * testsuite/ifuncmain4.c: New file.
2148         * testsuite/ifuncmain5.c: New file.
2149         * testsuite/ifuncmod5.c: New file.
2150         * testsuite/ifuncmain6pie.c: New file.
2151         * testsuite/ifuncmod6.c: New file.
2152         * testsuite/ifuncmain7.c: New file.
2153         * configure, testsuite/Makefile.in: Rebuild.
2155 2010-08-18  Ian Lance Taylor  <iant@google.com>
2157         * incremental.cc
2158         (Output_section_incremental_inputs::write_input_files): Add cast
2159         to avoid signed/unsigned comparison warning.
2160         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2162 2010-08-12  Cary Coutant  <ccoutant@google.com>
2164         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2166 2010-08-13  Ian Lance Taylor  <iant@google.com>
2168         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2170 2010-08-12  Cary Coutant  <ccoutant@google.com>
2171             Doug Kwan  <dougkwan@google.com>
2173         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2174         defintion overrides non-weak undef, remember that the original undef
2175         is not weak.
2176         * symtab.cc (Symbol_table::sized_write_global): For undef without
2177         an original weak binding, set binding to global in output.
2178         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2179         * testsuite/Makefile.in: Regenerate.
2180         * testsuite/strong_ref_weak_def.sh: New file.
2181         * testsuite/strong_ref_weak_def_1.c: Ditto.
2182         * testsuite/strong_ref_weak_def_2.c: Ditto.
2184 2010-08-12  Cary Coutant  <ccoutant@google.com>
2186         * testsuite/incremental_test.sh: Rewrite.
2187         * testsuite/incremental_test_1.c: Rewrite.
2188         * testsuite/incremental_test_2.c: Rewrite.
2190 2010-08-12  Cary Coutant  <ccoutant@google.com>
2192         * arm.cc (Target_arm::got_size): Add const.
2193         (Target_arm::got_entry_count): New function.
2194         (Target_arm::plt_entry_count): New function.
2195         (Target_arm::first_plt_entry_offset): New function.
2196         (Target_arm::plt_entry_size): New function.
2197         (Output_data_plt_arm::entry_count): New function.
2198         (Output_data_plt_arm::first_plt_entry_offset): New function.
2199         (Output_data_plt_arm::get_plt_entry_size): New function.
2200         * i386.cc (Target_i386::got_size): Add const.
2201         (Target_i386::got_entry_count): New function.
2202         (Target_i386::plt_entry_count): New function.
2203         (Target_i386::first_plt_entry_offset): New function.
2204         (Target_i386::plt_entry_size): New function.
2205         (Output_data_plt_i386::entry_count): New function.
2206         (Output_data_plt_i386::first_plt_entry_offset): New function.
2207         (Output_data_plt_i386::get_plt_entry_size): New function.
2208         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2209         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2210         * incremental.cc: Include target.h.
2211         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2212         parameter.  Adjust all callers.  Find incremental_got_plt section.
2213         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2214         section.
2215         (Output_section_incremental_inputs::set_final_data_size): Calculate
2216         size of incremental_got_plt section.
2217         (Output_section_incremental_inputs::do_write): Write the
2218         incremental_got_plt section.
2219         (Got_plt_view_info): New struct.
2220         (Local_got_offset_visitor): New class.
2221         (Global_got_offset_visitor): New class.
2222         (Global_symbol_visitor_got_plt): New class.
2223         (Output_section_incremental_inputs::write_got_plt): New function.
2224         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2225         Add parameter.  Adjust all callers.
2226         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2227         (Incremental_inputs::got_plt_section): New function.
2228         (Incremental_inputs::got_plt_section_): New data member.
2229         (Incremental_got_plt_reader): New class.
2230         * layout.cc (Layout::create_incremental_info_sections): Add the
2231         incremental_got_plt section.
2232         * object.h (Got_offset_list::get_list): New function.
2233         (Got offset_list::for_all_got_offsets): New function.
2234         (Sized_relobj::local_got_offset_list): New function.
2235         * powerpc.cc (Target_powerpc::got_size): Add const.
2236         (Target_powerpc::got_entry_count): New function.
2237         (Target_powerpc::plt_entry_count): New function.
2238         (Target_powerpc::first_plt_entry_offset): New function.
2239         (Target_powerpc::plt_entry_size): New function.
2240         (Output_data_plt_powerpc::entry_count): New function.
2241         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2242         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2243         * sparc.cc (Target_sparc::got_size): Add const.
2244         (Target_sparc::got_entry_count): New function.
2245         (Target_sparc::plt_entry_count): New function.
2246         (Target_sparc::first_plt_entry_offset): New function.
2247         (Target_sparc::plt_entry_size): New function.
2248         (Output_data_plt_sparc::entry_count): New function.
2249         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2250         (Output_data_plt_sparc::get_plt_entry_size): New function.
2251         * symtab.h (Symbol::got_offset_list): New function.
2252         (Symbol_table::for_all_symbols): New function.
2253         * target.h (Sized_target::got_entry_count): New function.
2254         (Sized_target::plt_entry_count): New function.
2255         (Sized_target::plt_entry_size): New function.
2256         * x86_64.cc (Target_x86_64::got_size): Add const.
2257         (Target_x86_64::got_entry_count): New function.
2258         (Target_x86_64::plt_entry_count): New function.
2259         (Target_x86_64::first_plt_entry_offset): New function.
2260         (Target_x86_64::plt_entry_size): New function.
2261         (Output_data_plt_x86_64::entry_count): New function.
2262         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2263         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2265 2010-08-12  Cary Coutant  <ccoutant@google.com>
2267         * archive.cc: Include incremental.h.
2268         (Archive::Archive): Initialize incremental_info_.
2269         (Archive::include_member): Record archive members in incremental info.
2270         (Add_archive_symbols::run): Record begin and end of an archive in
2271         incremental info.
2272         (Lib_group::include_member): Record objects in incremental info.
2273         * archive.h (Incremental_archive_entry): Forward declaration.
2274         (Archive::set_incremental_info): New member function.
2275         (Archive::incremental_info): New member function.
2276         (Archive::Unused_symbol_iterator): New class.
2277         (Archive::unused_symbols_begin): New member function.
2278         (Archive::unused_symbols_end): New member function.
2279         (Archive::incremental_info_): New data member.
2280         * incremental-dump.cc (find_input_containing_global): New function.
2281         (dump_incremental_inputs): Dump new incremental info sections.
2282         * incremental.cc: Include symtab.h.
2283         (Output_section_incremental_inputs): New class.
2284         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2285         new incremental info sections.
2286         (Sized_incremental_binary::do_check_inputs): Likewise.
2287         (Incremental_inputs::report_archive): Remove.
2288         (Incremental_inputs::report_archive_begin): New function.
2289         (Incremental_inputs::report_archive_end): New function.
2290         (Incremental_inputs::report_object): New function.
2291         (Incremental_inputs::finalize_inputs): Remove.
2292         (Incremental_inputs::report_input_section): New function.
2293         (Incremental_inputs::report_script): Rewrite.
2294         (Incremental_inputs::finalize): Do nothing but finalize string table.
2295         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2296         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2297         (Incremental_inputs::create_data_sections): New function.
2298         (Incremental_inputs::relocs_entsize): New function.
2299         (Output_section_incremental_inputs::set_final_data_size): New function.
2300         (Output_section_incremental_inputs::do_write): New function.
2301         (Output_section_incremental_inputs::write_header): New function.
2302         (Output_section_incremental_inputs::write_input_files): New function.
2303         (Output_section_incremental_inputs::write_info_blocks): New function.
2304         (Output_section_incremental_inputs::write_symtab): New function.
2305         * incremental.h (Incremental_script_entry): Forward declaration.
2306         (Incremental_object_entry): Forward declaration.
2307         (Incremental_archive_entry): Forward declaration.
2308         (Incremental_inputs): Forward declaration.
2309         (Incremental_inputs_header_data): Remove.
2310         (Incremental_inputs_header): Remove.
2311         (Incremental_inputs_header_write): Remove.
2312         (Incremental_inputs_entry_data): Remove.
2313         (Incremental_inputs_entry): Remove.
2314         (Incremental_inputs_entry_write): Remove.
2315         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2316         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2317         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2318         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2319         Likewise.
2320         (Incremental_input_entry): New class.
2321         (Incremental_script_entry): New class.
2322         (Incremental_object_entry): New class.
2323         (Incremental_archive_entry): New class.
2324         (Incremental_inputs::Incremental_inputs): Initialize new data members.
2325         (Incremental_inputs::report_inputs): Remove.
2326         (Incremental_inputs::report_archive): Remove.
2327         (Incremental_inputs::report_archive_begin): New function.
2328         (Incremental_inputs::report_archive_end): New function.
2329         (Incremental_inputs::report_object): Change prototype.
2330         (Incremental_inputs::report_input_section): New function.
2331         (Incremental_inputs::report_script): Change prototype.
2332         (Incremental_inputs::get_reloc_count): New function.
2333         (Incremental_inputs::set_reloc_count): New function.
2334         (Incremental_inputs::create_data_sections): New function.
2335         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2336         (Incremental_inputs::inputs_section): New function.
2337         (Incremental_inputs::symtab_section): New function.
2338         (Incremental_inputs::relocs_section): New function.
2339         (Incremental_inputs::get_stringpool): Add const.
2340         (Incremental_inputs::command_line): Add const.
2341         (Incremental_inputs::inputs): Remove.
2342         (Incremental_inputs::command_line_key): New function.
2343         (Incremental_inputs::input_file_count): New function.
2344         (Incremental_inputs::input_files): New function.
2345         (Incremental_inputs::relocs_entsize): New function.
2346         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2347         (Incremental_inputs::finalize_inputs): Remove.
2348         (Incremental_inputs::Input_info): Remove.
2349         (Incremental_inputs::lock_): Remove.
2350         (Incremental_inputs::inputs_): Change type.
2351         (Incremental_inputs::inputs_map_): Remove.
2352         (Incremental_inputs::current_object_entry_): New data member.
2353         (Incremental_inputs::inputs_section_): New data member.
2354         (Incremental_inputs::symtab_section_): New data member.
2355         (Incremental_inputs::relocs_section_): New data member.
2356         (Incremental_inputs::reloc_count_): New data member.
2357         (Incremental_inputs_reader): New class.
2358         (Incremental_symtab_reader): New class.
2359         (Incremental_relocs_reader): New class.
2360         * layout.cc (Layout::finalize): Move finalization of incremental info
2361         and creation of incremental info sections to follow finalization of
2362         symbol table.  Set offsets for postprocessing sections.
2363         (Layout::create_incremental_info_sections): Call
2364         Incremental_inputs::create_data_sections.  Add incremental symtab
2365         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
2366         sections to layout after input sections.
2367         * layout.h (struct Timespec): Forward declaration.
2368         (Layout::incremental_inputs): Add const.
2369         (Layout::create_incremental_info_sections): Add parameter.
2370         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
2371         * object.cc: Include incremental.h.
2372         (Relobj::finalize_incremental_relocs): New function.
2373         (Sized_relobj::do_layout): Record input sections in incremental info.
2374         * object.h (Object::output_section): New function.
2375         (Object::output_section_offset): Moved from Relobj.
2376         (Object::get_incremental_reloc_base): New function.
2377         (Object::get_incremental_reloc_count): New function.
2378         (Object::do_output_section): New function.
2379         (Object::do_output_section_offset): Moved from Relobj.
2380         (Object::do_get_incremental_reloc_base): New function.
2381         (Object::do_get_incremental_reloc_count): New function.
2382         (Object::Object): Initialize new data members.
2383         (Relobj::output_section): Renamed do_output_section and moved to
2384         protected.
2385         (Relobj::output_section_offset): Moved to Object.
2386         (Relobj::do_get_incremental_reloc_base): New function.
2387         (Relobj::do_get_incremental_reloc_count): New function.
2388         (Relobj::allocate_incremental_reloc_counts): New function.
2389         (Relobj::count_incremental_reloc): New function.
2390         (Relobj::finalize_incremental_relocs): New function.
2391         (Relobj::next_incremental_reloc_index): New function.
2392         (Relobj::reloc_counts_): New data member.
2393         (Relobj::reloc_bases_): New data member.
2394         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
2395         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
2396         (Sized_relobj::incremental_relocs_scan): New function.
2397         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2398         (Sized_relobj::incremental_relocs_write): New function.
2399         (Sized_relobj::incremental_relocs_write_reltype): New function.
2400         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
2401         incremental link.
2402         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
2403         archives and object files elsewhere.
2404         (Add_symbols::run): Report object files here.
2405         (Finish_group::run): Report end of archive at end of group.
2406         * reloc.cc: Include layout.h, incremental.h.
2407         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
2408         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
2409         (Sized_relobj::incremental_relocs_scan): New function.
2410         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2411         (Sized_relobj::do_relocate_sections): Write incremental relocations.
2412         (Sized_relobj::incremental_relocs_write): New function.
2413         (Sized_relobj::incremental_relocs_write_reltype): New function.
2414         * script.cc (read_input_script): Rewrite test for incremental link.
2415         Change call to Incremental_inputs::report_script.
2416         * symtab.h (Symbol_table::first_global_index): New function.
2417         (Symbol_table::output_count): New function.
2419 2010-08-12  Doug Kwan  <dougkwan@google.com>
2421         * arm.cc (Target_arm::merge_object_attributes): Check command line
2422         options --no-wchar-size-warning and --no-enum-size-warning.
2423         * options.h (General_options): Add ld-compatible options
2424         --no-enum-size-warning and --no-wchar-size-warning.
2426 2010-08-04  Ian Lance Taylor  <iant@google.com>
2428         * x86_64.cc (Target_x86_64::Scan::local): Use
2429         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
2430         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
2431         (Target_x86_64::Scan::global): Likewise.
2432         (Target_x86_64::Relocate::relocate): Likewise.
2433         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
2434         Likewise.
2436 2010-08-03  Cary Coutant  <ccoutant@google.com>
2438         * merge.cc (Output_merge_string::do_add_input_section): Count strings
2439         to reserve space in merged_strings vector. Keep total input size
2440         for stats.
2441         (Output_merge_string::do_print_merge_stats): Print total input size.
2442         * merge.h (Output_merge_string): Add input_size_ field.
2443         * stringpool.cc (Stringpool_template::string_length): Move
2444         implementations out of Stringpool_template class and place in
2445         stringpool.h.
2446         * stringpool.h (string_length): Move out of Stringpool_template.
2448 2010-08-03  Ian Lance Taylor  <iant@google.com>
2450         PR 11712
2451         * layout.cc (relaxation_loop_body): If address of load segment is
2452         set, adjust address to include headers if possible.
2454 2010-08-03  Ian Lance Taylor  <iant@google.com>
2456         * version.cc (version_string): Bump to 1.10.
2458 2010-08-03  Ian Lance Taylor  <iant@google.com>
2460         PR 11805
2461         * layout.h (enum Output_section_order): Define.
2462         (class Layout): Update declarations.
2463         * layout.cc (Layout::get_output_section): Add order parameter.
2464         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
2465         is_first_non_relro parameters.  Change all callers.
2466         (Layout::choose_output_section): Likewise.
2467         (Layout::add_output_section_data): Likewise.
2468         (Layout::make_output_section): Likewise.  Set order.
2469         (Layout::default_section_order): New function.
2470         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
2471         * output.cc (Output_section::Output_section): Initialize order_.
2472         Don't initialize deleted fields.
2473         (Output_segment::Output_segment): Don't initialize deleted
2474         fields.
2475         (Output_segment::add_output_section_to_load): New function
2476         replacing add_output_section.  Change all callers to call this or
2477         add_output_section_to_nonload.
2478         (Output_segment::add_output_section_to_nonload): New function.
2479         (Output_segment::remove_output_section): Rewrite.
2480         (Output_segment::add_initial_output_data): Likewise.
2481         (Output_segment::has_any_data_sections): Likewise.
2482         (Output_segment::is_first_section_relro): Likewise.
2483         (Output_segment::maximum_alignment): Likewise.
2484         (Output_segment::has_dynamic_reloc): New function replacing
2485         dynamic_reloc_count.  Change all callers.
2486         (Output_segment::has_dynamic_reloc_list): New function replacing
2487         dynamic_reloc_count_list.  Change all callers.
2488         (Output_segment::set_section_addresses): Rewrite.
2489         (Output_segment::set_offset): Rewrite.
2490         (Output_segment::find_first_and_last_list): Remove.
2491         (Output_segment::set_tls_offsets): Rewrite.
2492         (Output_segment::first_section_load_address): Likewise.
2493         (Output_segment::output_section_count): Likewise.
2494         (Output_segment::section_with_lowest_load_address): Likewise.
2495         (Output_segment::write_section_headers): Likewise.
2496         (Output_segment::print_sections_to_map): Likewise.
2497         * output.h (class Output_data): Remove dynamic_reloc_count_
2498         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2499         (Output_data::add_dynamic_reloc): Rewrite.
2500         (Output_data::has_dynamic_reloc): New function.
2501         (Output_data::dynamic_reloc_count): Remove.
2502         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2503         is_last_relro_, is_first_non_relro_, is_interp_,
2504         is_dynamic_linker_section_ fields.  Add order and set_order
2505         functions.  Remove is_relro_local, set_is_relro_local,
2506         is_last_relro, set_is_last_relro, is_first_non_relro,
2507         set_is_first_non_relro functions, is_interp, set_is_interp,
2508         is_dynamic_linker_section, and set_is_dynamic_linker_section
2509         functions.
2510         (class Output_segment): Change Output_data_list from std::list to
2511         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2512         output_bss_ fields.  Update declarations.
2514 2010-08-02  Ian Lance Taylor  <iant@google.com>
2516         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2517         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2518         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2520 2010-08-02  Ian Lance Taylor  <iant@google.com>
2522         PR 11855
2523         * script.cc (Script_options::Script_options): Initialize
2524         symbol_definitions_ and symbol_references_.
2525         (Script_options::add_symbol_assignment): Update
2526         symbol_definitions_ and symbol_references_.
2527         (Script_options::add_symbol_reference): New function.
2528         (script_symbol): New function.
2529         * script.h (class Script_options): Add symbol_definitions_ and
2530         symbol_references_ fields.
2531         (Script_options::referenced_const_iterator): New type.
2532         (Script_options::referenced_begin): New function.
2533         (Script_options::referenced_end): New function.
2534         (Script_options::is_referenced): New function.
2535         (Script_options::any_unreferenced): New function.
2536         * script-c.h (script_symbol): Declare.
2537         * yyscript.y (exp): Call script_symbol.
2538         * symtab.cc: Include "script.h".
2539         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2540         Change all callers.  Check symbols referenced by scripts.
2541         (Symbol_table::add_undefined_symbols_from_command_line): Add
2542         layout parameter.  Change all callers.
2543         (Symbol_table::do_add_undefined_symbols_from_command_line):
2544         Likewise.  Break out loop body.  Check symbols referenced by
2545         scripts.
2546         (Symbol_table::add_undefined_symbol_from_command_line): New
2547         function broken out of
2548         do_add_undefined_symbols_from_command_line.
2549         * symtab.h (class Symbol_table): Update declarations.
2550         * archive.cc: Include "layout.h".
2551         (Archive::should_include_member): Add layout parameter.  Change
2552         all callers.  Check for symbol mentioned in expression.
2553         * archive.h (class Archive): Update declaration.
2554         * object.cc (Sized_relobj::do_should_include_member): Add layout
2555         parameter.
2556         * object.h (Object::should_include_member): Add layout parameter.
2557         Change all callers.
2558         (Object::do_should_include_member): Add layout parameter.
2559         (class Sized_relobj): Update declaration.
2560         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2561         parameter.
2562         * dynobj.h (class Sized_dynobj): Update declaration.
2563         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2564         layout parameter.
2565         * plugin.h (class Sized_pluginobj): Update declaration.
2567 2010-08-02  Ian Lance Taylor  <iant@google.com>
2569         PR 11866
2570         * output.cc (Output_segment::set_offset): Search for the first and
2571         last sections rather than assuming that the list is in order.
2572         (Output_segment::find_first_and_last_list): New function.
2573         * output.h (class Output_segment): Update declarations.
2574         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2575         (relro_strip_test_SOURCES): New variable.
2576         (relro_strip_test_DEPENDENCIES): New variable.
2577         (relro_strip_test_LDFLAGS): New variable.
2578         (relro_strip_test_LDADD): New variable.
2579         (relro_strip_test.so): New target.
2581 2010-08-02  Ian Lance Taylor  <iant@google.com>
2583         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2584         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2585         (Target_i386::got_tlsdesc_section): New function.
2586         (Target_i386::got_section): Create space for GOT entries for
2587         TLSDESC relocations.
2588         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2589         R_386_TLS_GOTDESC.
2590         (Target_i386::Scan::global): Likewise.
2591         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2592         using TLSDESC GOT.
2593         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2594         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2595         (Target_x86_64::got_tlsdesc_section): New function.
2596         (Target_x86_64::got_section): Create space for GOT entries for
2597         TLSDESC relocations.
2598         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2599         R_386_TLS_GOTDESC.
2600         (Target_x86_64::Scan::global): Likewise.
2601         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2602         using TLSDESC GOT.
2604 2010-08-02  Ian Lance Taylor  <iant@google.com>
2606         * testsuite/final_layout.sh: Use dc to convert from hex to
2607         decimal.
2609 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2611         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2612         paramter to the call to gold::gc_process_relocs.
2613         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2614         paramter to the call to gold::gc_process_relocs.
2615         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2616         parameter to the call to gold::gc_process_relocs.
2617         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2618         template parameter to the call to gold::gc_process_relocs.
2619         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2620         paramter to the call to gold::gc_process_relocs.
2621         * gc.h (get_embedded_addend_size): New function.
2622         (gc_process_relocs): Save the size of the reloc for use by ICF.
2623         * icf.cc (get_section_contents): Get the addend from the text section
2624         for SHT_REL relocation sections.
2625         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2626         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2627         * int_encoding.h (read_from_pointer): New overloaded function.
2628         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2629         * testsuite/icf_sht_rel_addend_test.sh: New file.
2630         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2631         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2633 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2635         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2636         * Makefile.in: Regenerate.
2637         * testsuite/Makefile.in: Regenerate.
2639 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2641         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2642         * gold/testsuite/debug_msg.cc: Likewise.
2643         * gold/testsuite/odr_violation1.cc
2644         * gold/testsuite/odr_violation2.cc
2646 2010-07-21  Cary Coutant  <ccoutant@google.com>
2648         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2649         string, and length fields.
2650         (Output_merge_string::Merged_strings_list): New type.
2651         (Output_merge_string::Merged_strings_lists): New typedef.
2652         (Output_merge_string): Replace merged_strings_ with
2653         merged_strings_lists_.
2654         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2655         Merged_strings_list per input object and section.  Don't store pointer
2656         to the string.  Don't store length with each merged string entry.
2657         (Output_merge_string::finalize_merged_data): Loop over list of merged
2658         strings lists.  Recompute length of each merged string.
2660 2010-07-15  Cary Coutant  <ccoutant@google.com>
2662         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2663         here.
2665 2010-07-14  Ian Lance Taylor  <iant@google.com>
2667         * descriptors.cc (Descriptors::open): Report correct name in error
2668         message.
2670 2010-07-13  Doug Kwan  <dougkwan@google.com>
2672         * arm.cc (Arm_input_section::Arm_input_section): For a
2673         SHT_ARM_EXIDX section, always keeps the input sections.
2674         (Arm_input_section::set_exidx_section_link): New method.
2675         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2676         has_errors_ to false.
2677         (Arm_exidx_input_section::has_errors,
2678         Arm_exidx_input_section::set_has_errors): New methods.
2679         (Arm_exidx_input_section::has_errors_): New data member.
2680         (Arm_relobj::get_exidx_shndx_list): New method.
2681         (Arm_output_section::append_text_sections_to_list): Do not skip
2682         section without SHF_EXECINSTR.
2683         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2684         errors.
2685         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2686         section header.  Make error messages more verbose.  Check for
2687         a non-executable section linked to an EXIDX section.
2688         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2689         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2690         check that there is no deferred EXIDX section if we exit early.
2691         Instead of not making an EXIDX section in case of an error, make one
2692         and set the has_errors flag of it.
2693         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2694         in a relocatable link.
2695         (Target_arm::do_relax): Look for the EXIDX output section instead of
2696         assuming that it is called .ARM.exidx.
2697         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2698         section list.  Do not check for SHF_EXECINSTR section flags but
2699         skip any input section with errors.
2700         * output.cc (Output_section::Output_section): Initialize
2701         always_keeps_input_sections_ to false.
2702         (Output_section::add_input_section): Check for
2703         always_keeps_input_sections_.
2704         *  output.h (Output_section::always_keeps_input_sections,
2705         Output_section::set_always_keeps_input_sections): New methods.
2706         (Output_section::always_keeps_input_sections): New data member.
2708 2010-07-13  Rafael Espindola  <espindola@google.com>
2710         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2711         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2713 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2714             Ian Lance Taylor  <iant@google.com>
2716         * output.h (Output_section_lookup_maps::add_merge_section):
2717         Correct check of whether value was inserted.
2718         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2719         (Output_section_lookup_maps::add_relaxed_input_section):
2720         Likewise.
2721         * arm.cc (Target_arm::got_section): Remove used local os.
2722         * i386.cc (Target_i386::got_section): Likewise.
2723         * x86_64.cc (Target_x86_64::got_section): Likewise.
2724         * sparc.cc (Target_sparc::got_section): Likewise.
2725         (Target_sparc::relocate): Remove unused local have_got_offset.
2726         * powerpc.cc (Target_powerpc::relocate): Likewise.
2728 2010-07-13  Ian Lance Taylor  <iant@google.com>
2730         * compressed_output.cc (zlib_decompress): Fix signature in
2731         !HAVE_ZLIB_H case.
2733         * archive.cc (Archive::include_member): Unlock an external member
2734         of a thin archive.  Don't bother to delete an object we know is
2735         NULL.
2737 2010-07-12  Cary Coutant  <ccoutant@google.com>
2739         * compressed_output.cc (zlib_decompress): New function.
2740         (get_uncompressed_size): New function.
2741         (decompress_input_section): New function.
2742         * compressed_output.h (get_uncompressed_size): New function.
2743         (decompress_input_section): New function.
2744         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2745         Handle compressed debug sections.
2746         * layout.cc (is_compressed_debug_section): New function.
2747         (Layout::output_section_name): Map compressed section names to
2748         canonical names.
2749         * layout.h (is_compressed_debug_section): New function.
2750         (is_debug_info_section): Recognize compressed debug sections.
2751         * merge.cc: Include compressed_output.h.
2752         (Output_merge_data::do_add_input_section): Handle compressed
2753         debug sections.
2754         (Output_merge_string::do_add_input_section): Handle compressed
2755         debug sections.
2756         * object.cc: Include compressed_output.h.
2757         (Sized_relobj::Sized_relobj): Initialize new data members.
2758         (build_compressed_section_map): New function.
2759         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2760         * object.h (Object::section_is_compressed): New method.
2761         (Object::do_section_is_compressed): New method.
2762         (Sized_relobj::Compressed_section_map): New type.
2763         (Sized_relobj::do_section_is_compressed): New method.
2764         (Sized_relobj::compressed_sections_): New data member.
2765         * output.cc (Output_section::add_input_section): Handle compressed
2766         debug sections.
2767         * reloc.cc: Include compressed_output.h.
2768         (Sized_relobj::write_sections): Handle compressed debug sections.
2770 2010-07-08  Cary Coutant  <ccoutant@google.com>
2772         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2773         weak when resolving to a dynamic def.
2774         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2775         for weak undef/dynamic def cases. Adjust callers.
2776         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2777         undef_binding_weak_.
2778         (Symbol_table::sized_write_globals): Adjust symbol binding.
2779         (Symbol_table::sized_write_symbol): Add binding parameter.
2780         * symtab.h (Symbol::set_undef_binding): New method.
2781         (Symbol::is_undef_binding_weak): New method.
2782         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2783         (Symbol_table::should_override): Add new parameter.
2784         (Symbol_table::sized_write_symbol): Add new parameter.
2786         * testsuite/weak_undef_file1.cc: Add new test case.
2787         * testsuite/weak_undef_file2.cc: Fix header comment.
2788         * testsuite/weak_undef_test.cc: Add new test case.
2790 2010-06-29  Doug Kwan  <dougkwan@google.com>
2792         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
2793         Initialize USE_SYMBOL_.
2794         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
2795         definition.
2796         (Arm_reloc_property::uses_symbol_): New data member declaration.
2797         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
2798         uses symbol value and symbol is undefined but not weakly undefined.
2800 2010-06-28  Rafael Espindola  <espindola@google.com>
2802         * plugin.cc (Plugin::load): Use dlerror.
2804 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2806         * symtab.cc (detect_odr_violations): When reporting an ODR
2807         violation, report an object where the symbol is defined.
2809 2010-06-25  Doug Kwan  <dougkwan@google.com>
2811         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
2812         (Target_arm::section_may_have_icf_unsafe_pointers): New method
2813         definition.
2814         (Target_arm::Scan::local_reloc_may_be_function_pointer,
2815         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
2816         target hook to detect function points.
2817         (Target_arm::Scan::possible_function_pointer_reloc): New method.
2818         * icf.h (Icf::check_section_for_function_pointers): Change type of
2819         parameter SECTION_NAME to const reference to std::string.  Use
2820         target hook to determine if section may have unsafe pointers.
2821         * target.h (Target::section_may_have_icf_unsafe_pointers): New
2822         method definition.
2824 2010-06-21  Rafael Espindola  <espindola@google.com>
2826         * fileread.cc (Input_file::find_fie): New
2827         (Input_file::open): Use Input_file::find_fie.
2828         * fileread.h (Input_file::find_fie): New
2829         * plugin.cc (set_extra_library_path): New.
2830         (Plugin::load): Add set_extra_library_path to the transfer vector.
2831         (Plugin_manager::set_extra_library_path): New.
2832         (Plugin_manager::add_input_file): Use the extra search path if set.
2833         (set_extra_library_path(): New.
2834         * plugin.h (Plugin_manager): Add set_extra_library_path and
2835         extra_search_path_.
2837 2010-06-19  Cary Coutant  <ccoutant@google.com>
2839         * layout.cc (gdb_sections): Add .debug_types.
2840         (lines_only_debug_sections): Likewise.
2842 2010-06-18  Rafael Espindola  <espindola@google.com>
2844         * plugin.cc (add_input_file,add_input_library)
2845         (Plugin_manager::add_input_file): Make filename arguments const.
2846         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
2847         const.
2849 2010-06-16  Doug Kwan  <dougkwan@google.com>
2851         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
2852         .ARM.attributes section if we have not merged any input
2853         attributes sections.
2855 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2857         * arm.cc: Allow combining objects with no EABI version
2858         information.
2860 2010-06-15  Rafael Espindola  <espindola@google.com>
2862         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
2864 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2866         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
2867         (struct iovec): Correct !HAVE_READV definition.
2869 2010-06-10  Cary Coutant  <ccoutant@google.com>
2871         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
2872         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
2873         reloc sections.
2874         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
2876         PR 11683
2877         * symtab.h (Symbol::is_placeholder): New member function.
2878         * target-reloc.h (relocate_section): Check for placeholder symbols.
2880         * testsuite/Makefile.am (plugin_test_8): New test.
2881         (plugin_test_9): New test.
2882         * testsuite/Makefile.in: Regenerate.
2884 2010-06-09  Nick Clifton  <nickc@redhat.com>
2886         * yyscript.y (input_list_element): Allow strings prefixed with
2887         the '-' character.  Treat these as libraries.
2888         * script.cc (script_add_library): New function.  Adds a library
2889         specified by "-l<name>" found in an input script.
2890         * script-c.h: Add prototype for script_add_library.
2892 2010-06-07  Doug Kwan  <dougkwan@google.com>
2894         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
2895         Restrict stub-group size to be within long conditional branch
2896         range when working around cortex-A8 erratum.
2898 2010-06-07  Damien Diederen  <dd@crosstwine.com>
2900         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
2901         #ifdef typo.
2903 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
2905         PR gold/11658
2906         * output.cc
2907         (Output_section::Input_section_sort_entry::compare_section_ordering):
2908         Change to return non-zero correctly.
2909         (Output_section::Input_section_sort_section_order_index_compare
2910         ::operator()): Change to fix ambiguity in comparisons.
2912 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
2914         * gold.h (is_wildcard_string): New function.
2915         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
2916         (Layout::layout_eh_frame): Ditto.
2917         (Layout::find_section_order_index): New method.
2918         (Layout::read_layout_from_file): New method.
2919         * layout.h (Layout::find_section_order_index): New method.
2920         (Layout::read_layout_from_file): New method.
2921         (Layout::input_section_position_): New private member.
2922         (Layout::input_section_glob_): New private member.
2923         * main.cc (main): Call read_layout_from_file here.
2924         * options.h (--section-ordering-file): New option.
2925         * output.cc (Output_section::input_section_order_specified_): New
2926         member.
2927         (Output_section::Output_section): Initialize new member.
2928         (Output_section::add_input_section): Add new parameter.
2929         Keep input sections when --section-ordering-file is used.
2930         (Output_section::set_final_data_size): Sort input sections when
2931         section ordering file is specified.
2932         (Output_section::Input_section_sort_entry): Add new parameter.
2933         Check sorting type.
2934         (Output_section::Input_section_sort_entry::compare_section_ordering):
2935         New method.
2936         (Output_section::Input_section_sort_compare::operator()): Change to
2937         consider section_order_index.
2938         (Output_section::Input_section_sort_init_fini_compare::operator()):
2939         Change to consider section_order_index.
2940         (Output_section::Input_section_sort_section_order_index_compare
2941         ::operator()): New method.
2942         (Output_section::sort_attached_input_sections): Change to sort
2943         according to section order when specified.
2944         (Output_section::add_input_section<32, true>): Add new parameter.
2945         (Output_section::add_input_section<64, true>): Add new parameter.
2946         (Output_section::add_input_section<32, false>): Add new parameter.
2947         (Output_section::add_input_section<64, false>): Add new parameter.
2948         * output.h (Output_section::add_input_section): Add new parameter.
2949         (Output_section::input_section_order_specified): New
2950         method.
2951         (Output_section::set_input_section_order_specified): New method.
2952         (Input_section::Input_section): Initialize section_order_index_.
2953         (Input_section::section_order_index): New method.
2954         (Input_section::set_section_order_index): New method.
2955         (Input_section::section_order_index_): New member.
2956         (Input_section::Input_section_sort_section_order_index_compare): New
2957         struct.
2958         (Output_section::input_section_order_specified_): New member.
2959         * script-sections.cc (is_wildcard_string): Delete and move modified
2960         method to gold.h.
2961         (Output_section_element_input::Output_section_element_input): Modify
2962         call to is_wildcard_string.
2963         (Output_section_element_input::Input_section_pattern
2964         ::Input_section_pattern): Ditto.
2965         (Output_section_element_input::Output_section_element_input): Ditto.
2966         * testsuite/Makefile.am (final_layout): New test case.
2967         * testsuite/Makefile.in: Regenerate.
2968         * testsuite/final_layout.cc: New file.
2969         * testsuite/final_layout.sh: New file.
2971 2010-06-01  Rafael Espindola  <espindola@google.com>
2973         * plugin.cc (Plugin::load): Pass the output name to the plugin.
2975 2010-06-01  Rafael Espindola  <espindola@google.com>
2977         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
2978         visibility of symbols.
2980 2010-05-27  Doug Kwan  <dougkwan@google.com>
2982         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
2983         from start of output section instead of address for a local symbol
2984         in a merged or relaxed section when doing a relocatable link.
2986 2010-05-26  Rafael Espindola  <espindola@google.com>
2988        PR 11604
2989         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
2990         adding sections the garbage collector removed.
2991         * gold/testsuite/Makefile.am: Add test.
2992         * gold/testsuite/Makefile.in: Regenerate.
2993         * gold/testsuite/plugin_test_7.sh: New.
2994         * gold/testsuite/plugin_test_7_1.c: New.
2995         * gold/testsuite/plugin_test_7_2.c: New.
2997 2010-05-26  Rafael Espindola  <espindola@google.com>
2999         * script-sections.cc (Output_section_definition::set_section_addresses):
3000         Check for --section-start.
3002 2010-05-26  Doug Kwan  <dougkwan@google.com>
3004         * arm.cc (Arm_scan_relocatable_relocs): New class.
3005         (Target_arm::relocate_special_relocatable): New method.
3006         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3007         (Arm_relocate_functions::thumb_branch_common): Same.
3008         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3009         instead of Default_scan_relocatable_relocs.
3010         * target-reloc.h (relocate_for_relocatable): Let target handle
3011         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3012         * target.h (Sized_target::relocate_special_relocatable): New method.
3014 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3016         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3018 2010-05-23  Doug Kwan  <dougkwan@google.com>
3020         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3021         instead of a cast.
3022         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3023         with a direct branch, not a conditional branch, to a stub.
3024         * merge.cc (Output_merge_base::record_input_section): New method
3025         defintion.
3026         (Output_merge_data::do_add_input_section): Record input section if
3027         keeps-input-sections flag is set.
3028         (Output_merge_string::do_add_input_section): Ditto.
3029         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3030         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3031         INPUT_SECTIONS_.
3032         (Output_merge_base::keeps_input_sections,
3033         Output_merge_base::set_keeps_input_sections,
3034         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3035         method definitions.
3036         (Output_merge_base::Input_sections): New type declaration.
3037         (Output_merge_base::input_sections_begin,
3038         Output_merge_base::input_sections_end,
3039         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3040         (Output_merge_base::bool keeps_input_sections_,
3041         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3042         Output_merge_base::input_sections_): New data members.
3043         (Output_merge_data::do_set_keeps_input_sections): New method
3044         defintion.
3045         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3046         * output.cc (Output_section::Input_section::relobj): Move method
3047         defintion from class declaration to here and handle merge sections.
3048         (Output_section::Input_section::shndx): Ditto.
3049         (Output_section::Output_section): Remove initializations of removed
3050         data members and initialize new data member LOOKUP_MAPS_.
3051         (Output_section::add_input_section): Set keeps-input-sections flag
3052         for a newly created merge output section as appropriate.  Adjust code
3053         to use Output_section_lookup_maps class.
3054         (Output_section::add_relaxed_input_section): Adjst code for lookup
3055         maps code refactoring.
3056         (Output_section::add_merge_input_section): Add a new parameter
3057         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3058         class.  If adding input section to a newly created merge output
3059         section fails, remove the new merge section.
3060         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3061         Adjust code for use of the Output_section_lookup_maps class.
3062         (Output_section::find_merge_section): Ditto.
3063         (Output_section::build_lookup_maps): New method defintion.
3064         (Output_section::find_relaxed_input_section): Adjust code to use
3065         Output_section_lookup_maps class.
3066         (Output_section::get_input_sections): Export merge sections.  Adjust
3067         code to use Output_section_lookup_maps class.
3068         (Output_section:::add_script_input_section): Adjust code to use
3069         Output_section_lookup_maps class.  Update lookup maps for merge
3070         sections also.
3071         (Output_section::discard_states): Use Output_section_lookup_maps.
3072         (Output_section::restore_states): Same.
3073         * output.h (Merge_section_properties): Move class defintion out of
3074         Output_section.
3075         (Output_section_lookup_maps): New class.
3076         (Output_section::Input_section::is_merge_section): New method
3077         defintion.
3078         (Output_section::Input_section::relobj): Move defintion out of class
3079         defintion.  Declare method only.
3080         (Output_section::Input_section::shndx): Ditto.
3081         (Output_section::Input_section::output_merge_base): New method defintion.
3082         (Output_section::Input_section::u2_.pomb): New union field.
3083         (Output_section::Merge_section_by_properties_map,
3084         Output_section::Output_section_data_by_input_section_map,
3085         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3086         Remove types.
3087         (Output_section::add_merge_input_section): Add new parameter
3088         KEEPS_INPUT_SECTIONS.
3089         (Output_section::build_lookup_maps): New method declaration.
3090         (Output_section::merge_section_map_,
3091         Output_section::merge_section_by_properties_map_,
3092         Output_section::relaxed_input_section_map_,
3093         Output_section::is_relaxed_input_section_map_valid_): Remove data
3094         members.
3095         (Output_section::lookup_maps_): New data member.
3097 2010-05-21  Doug Kwan  <dougkwan@google.com>
3099         PR gold/11619
3100         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3101         avoid a compilation error.
3103 2010-05-19  Rafael Espindola  <espindola@google.com>
3105         * script-sections.cc (Output_section_definition::allocate_to_segment):
3106         Update the phdrs_list even when the output section is NULL.
3107         * testsuite/Makefile.am: Add test.
3108         * testsuite/Makefile.in: Regenerate.
3109         * testsuite/script_test_9.cc: New.
3110         * testsuite/script_test_9.sh: New.
3111         * testsuite/script_test_9.t: New.
3113 2010-05-19  Doug Kwan  <dougkwan@google.com>
3115         * arm.cc (Arm_input_section::original_size): New method.
3116         (Arm_input_section::do_addralign): Add a cast.
3117         (Arm_input_section::do_output_offset): Remove static cast.
3118         (Arm_input_section::original_addralign,
3119          Arm_input_section::original_size_): Change type to uint32_t.
3120         (Arm_input_section::init): Add safe casts for section alignment
3121         and size.
3122         (Arm_input_section::set_final_data_size): Do not set address and
3123         offset of stub table.
3124         (Arm_output_section::fix_exidx_coverage): Change use of of
3125         Output_section::Simple_input_section to that of
3126         Output_section::Input_section.
3127         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3128         except for the first pass.
3129         * output.cc (Output_section::get_input_sections): Change type of
3130         input_sections to std::list<Input_section>.
3131         (Output_section::add_script_input_section): Rename from
3132         Output_section::add_simple_input_section.  Change type of SIS
3133         parameter from Simple_input_section to Input_section.
3134         * output.h (Output_section::Simple_input_section): Remove class.
3135         (Output_section::Input_section): Change class visibility to public.
3136         (Output_section::Input_section::addralign): Use stored alignments
3137         for special input sections if set.
3138         (Output_section::Input_section::set_addralign): New method.
3139         (Output_section::get_input_sections): Change parameter type from
3140         list of Simple_input_section to list of Input_section.
3141         (Output_section::add_script_input_section): Rename from
3142         Output_section::add_simple_input_section. Change first parameter's
3143         type from Simple_input_section to Input_section and remove the
3144         second and third parameters.
3145         * script-sections.cc (Input_section::Input_section_list): Change
3146         type to list of Output_section::Input_section/
3147         (Input_section_info::Input_section_info): Change parameter type of
3148         INPUT_SECTION to Output_section::Input_section.
3149         (Input_section_info::input_section): Change return type.
3150         (Input_section_info::input_section_): Change type to
3151         Output_section::Input_section.
3152         (Output_section_element_input::set_section_addresses): Adjust code
3153         to use Output_section::Input_section instead of
3154         Output_section::Simple_input_section.  Adjust code for renaming
3155         of Output_section::add_simple_input_section.
3156         (Orphan_output_section::set_section_addresses): Ditto.
3158 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3160         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3161         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3163 2010-05-18  Rafael Espindola  <espindola@google.com>
3165         * options.cc (General_options::finalize): Handle -nostdlib.
3166         * options.h (nostdlib): New option.
3167         * script.cc (script_add_search_dir): Handle -nostdlib.
3169 2010-05-12  Doug Kwan  <dougkwan@google.com>
3171         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3172         attributes section only if there no attributes section after merging.
3173         (Target_arm::merge_object_attributes): Move value of
3174         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3175         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3176         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3177         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3178         and arm_attr_merge_7.stdout.
3179         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3180         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3181         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3182         arm_attr_merge_7b.o): New rules.
3183         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3184         arm_attr_merge_7
3185         * testsuite/Makefile.in: Regenerate.
3186         * testsuite/arm_attr_merge.sh: New file.
3187         * testsuite/arm_attr_merge_[67][ab].s: Same.
3189 2010-05-05  Nick Clifton  <nickc@redhat.com>
3191         * po/es.po: Updated Spanish translation.
3193 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3195         * Makefile.am (install-exec-local): Properly install gold as
3196         default cross linker.
3197         * Makefile.in: Regenerated.
3199 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3200             Nick Clifton  <nickc@redhat.com>
3202         * configure.ac (install_as_default): Define and set to false
3203         unless --enable-gold or --enable-gold=both/gold has been
3204         specified.
3205         * configure: Regenerate.
3207         * Makefile.am (install-exec-local): Install the executable as
3208         'ld.gold'.  If install_as_default is true then also install it as
3209         'ld'.
3210         * Makefile.in: Regenerated.
3212 2010-04-24  Ian Lance Taylor  <iant@google.com>
3214         * layout.cc (Layout::layout_reloc): In relocatable link don't
3215         combine reloc sections for grouped sections.
3217 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3219         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3220         sections that are not ordinary to icf.
3221         * icf.cc (get_section_contents): Handle relocation pointing to section
3222         with no object or shndx information.
3223         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3224         * testsuite/Makefile.in: Regenerate.
3225         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3226         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3228 2010-04-22  Ian Lance Taylor  <iant@google.com>
3230         * expression.cc (Expression::Expression_eval_info): Add
3231         result_alignment_pointer field.
3232         (Expression::eval_with_dot): Add result_alignment_pointer
3233         parameter.  Change all callers.
3234         (Expression::eval_maybe_dot): Likewise.
3235         (class Binary_expression): Add alignment_pointer parameter to
3236         left_value and right_value.  Change all callers.
3237         (BINARY_EXPRESSION): Set result alignment.
3238         (class Trinary_expression): Add alignment_pointer parameter to
3239         arg2_value and arg3_value.  Change all callers.
3240         (Trinary_cond::value): Set result alignment.
3241         (Max_expression::value, Min_expression::value): Likewise.
3242         (Align_expression::value): Likewise.
3243         * script-sections.cc (class Sections_element): Add dot_alignment
3244         parameter to set_section_addresses virtual function.  Update
3245         instantiations.
3246         (class Output_section_element): Likewise.
3247         (Script_sections::create_segments): Add dot_alignment parameter.
3248         Change all callers.
3249         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3250         (Script_sections::set_phdrs_clause_addresses): Likewise.
3251         * script-sections.h: Update declarations.
3252         * script.h: Update declarations.
3253         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3254         min_p_align.
3255         * testsuite/script_test_3.t: Set large alignment.
3256         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3257         segment has expected alignment.
3259 2010-04-22  Nick Clifton  <nickc@redhat.com>
3261         * po/gold.pot: Updated by the Translation project.
3262         * po/vi.po: Updated Vietnamese translation.
3264 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3266         * testsuite/Makefile.am (check_PROGRAMS): Add
3267         icf_virtual_function_folding_test.
3268         * testsuite/Makefile.in: Regenerated.
3270 2010-04-15  Andrew Haley  <aph@redhat.com>
3272         * options.h (merge_exidx_entries): New option.
3273         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3274         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3275         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3276         (Target_arm::merge_exidx_entries): New function.
3277         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3278         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3279         to Arm_exidx_fixup constructor.
3280         Add new arg, merge_exidx_entries.
3281         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3282         Arm_output_section::fix_exidx_coverage.
3284 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3286         * icf.cc (get_section_contents): Check for preemptible functions.
3287         Ignore addend when appropriate.
3288         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3289         section folded.
3290         (add_from_relobj): Check for section folded.
3291         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3292         * symtab.h (should_add_dynsym_entry): Add new parameter.
3293         * target-reloc.h (scan_relocs): Check for section folded.
3294         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3295         Check reloc types for function pointers in shared objects.
3296         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3297         case.
3298         (icf_preemptible_functions_test): New test case.
3299         (icf_string_merge_test): New test case.
3300         * testsuite.Makefile.in: Regenerate.
3301         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3302         bar_glob.  Refactor code.
3303         * testsuite/icf_preemptible_functions_test.cc: New file.
3304         * testsuite/icf_preemptible_functions_test.sh: New file.
3305         * testsuite/icf_string_merge_test.cc: New file.
3306         * testsuite/icf_string_merge_test.sh: New file.
3307         * testsuite/icf_virtual_function_folding_test.cc: New file.
3308         * testsuite/icf_virtual_function_folding_test.sh: New file.
3310 2010-04-14  Doug Kwan  <dougkwan@google.com>
3312         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3313         for local symbol recounting if we remove a section due to ICF.
3314         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3315         there are no regular objects in input.
3317 2010-04-13  Doug Kwan  <dougkwan@google.com>
3319         * arm.cc (Arm_input_section::set_final_data_size): Compute
3320         accurate final data size instead of using current data size.
3322 2010-04-09  Doug Kwan  <dougkwan@google.com>
3324         * layout.cc (Layout::choose_output_section): Handle script section
3325         types.
3326         (Layout::make_output_section_for_script): Add section type parameter.
3327         Handle script section types.
3328         * layout.h (Layout::make_output_section_for_script): Add section
3329         type parameter.
3330         * output.cc (Output_section::Output_section): Initialize data member
3331         is_noload_.
3332         (Output_section::do_reset_address_and_file_offset): Do not set address
3333         to 0 if section is a NOLOAD section.
3334         * output.h (Output_section::is_noload): New method.
3335         (Output_section::set_is_noload): Ditto.
3336         (Output_section::is_noload_): New data member.
3337         * script-c.h (Script_section_type): New enum type.
3338         (struct Parser_output_section_header): Add new file section_type.
3339         * script-sections.cc (Sections_element::output_section_name): Add
3340         parameter for returning script section type.
3341         (Output_section_definition::output_section_name): Ditto.
3342         (Output_section_definition::section_type)P; New method.
3343         (Output_section_definiton::script_section_type_name): Ditto.
3344         (Output_section_definition::script_section_type_): New data member.
3345         (Output_section_definition::Output_section_definition): Initialize
3346         data member Output_section_definition::script_section_type_.
3347         (Output_section_definition::create_sections): Pass script section type
3348         to Layout::make_output_section_for_script.
3349         (Output_section_definition::output_section_name): Return script
3350         section type to caller.
3351         (Output_section_definition::set_section_address): Do not advance
3352         dot value and load address if section type is NOLOAD.  Set address
3353         of NOLOAD sections regardless of section flags.
3354         (Output_section_definition::print): Print section type if it is
3355         not SCRIPT_SECTION_TYPE_NONE.
3356         (Output_section_definition::section_type): New method.
3357         (Output_section_definition::script_section_type_name): Ditto.
3358         (Script_sections::output_section_name): Add new parameter
3359         PSECTION_TYPE for returning script section type.  Pass it to
3360         section elements.  Handle discard sections.
3361         (Sort_output_sections::operator()): Handle NOLOAD sections.
3362         * script-sections.h (Script_sections::Section_type): New enum type.
3363         (Script_sections::output_section_name): Add a new parameter for
3364         returning script section type.
3365         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
3366         INFO and NOLOAD.
3367         * yyscript.y (union): Add new field SECTION_TYPE.
3368         (COPY, DSECT, INFO, NOLOAD): New tokens.
3369         (opt_address_and_section_type): Change type to output_section_header.
3370         (section_type): New non-terminal
3371         (section_header): Handle section type.
3372         (opt_address_and_section_type): Return section type value.
3374 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3376         * testsuite/plugin_common_test_1.c (foo): Add prototype.
3377         * testsuite/plugin_common_test_2.c (foo): Likewise.
3379 2010-04-08  Doug Kwan  <dougkwan@google.com>
3381         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
3382         Output_merge_data.
3383         * output.cc (Output_section::add_merge_input_section): Simplify
3384         code and return status of Output_merge_base::add_input_section.
3385         Update merge section map only if Output_merge_base::add_input_section
3386         returns true.
3388 2010-04-07  Doug Kwan  <dougkwan@google.com>
3390         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
3391         if section is marked as containing instructions but has no mapping
3392         symbols.
3393         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
3394         correct section index.
3395         (Arm_relobj::find_linked_text_section): Ditto.
3397 2010-04-07  Cary Coutant  <ccoutant@google.com>
3399         * archive.cc (include_member): Destroy Read_symbols_data object before
3400         releasing file.
3401         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
3402         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
3403         (Read_symbols_data::~Read_symbols_data) New destructor.
3404         (Section_relocs::Section_relocs) New constructor.
3405         (Section_relocs::~Section_relocs) New destructor.
3406         (Read_relocs_data::Read_relocs_data) New constructor.
3407         (Read_relocs_data::~Read_relocs_data) New destructor.
3408         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
3409         pointers to NULL after deleting.
3411 2010-04-07  Doug Kwan  <dougkwan@google.com>
3413         * arm.cc: Replace "endianity" with "endianness" in comments.
3414         (Arm_exidx_cantunwind): Ditto.
3415         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
3416         (Arm_relobj::merge_flags_and_attributes): New method.
3417         (Arm_relobj::merge_flags_and_attributes_): New data member.
3418         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
3419         (Arm_relobj::scan_sections_for_stubs): Ditto.
3420         (Arm_relobj::do_read_symbols): Check to see if we really want to
3421         merge processor-specific flags and attributes.  Exit early if
3422         an object is empty except for section names and the undefined symbol.
3423         (Target_arm::do_finalize_sections): Move check for ELF format to
3424         Arm_relobj::do_read_symbols.  Merge processor specific flags and
3425         attributes from a regular object only when we have determined that
3426         it is aapropriate.  Do not create an .ARM.attributes section in
3427         output if there is no regular input object.
3428         (Target_arm::merge_processor_specific_flags): Check
3429         --warn-mismatch before printing any error.
3430         (Target_arm::merge_object_attributes): Ditto.
3431         * gold.cc (queue_middle_tasks): Handle the case in which there is
3432         no regular object in input.
3433         * options.cc (General_options::parse_EB): New method.
3434         (General_options::parse_EL): Same.
3435         (General_options::General_options): Initialize endianness_.
3436         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
3437         New options.
3438         (General_options::Endianness): New enum.
3439         (General_options::endianness): New method.
3440         (General_options::endianness_): New data member.
3441         * parameters.cc (Parameters::set_options): Check target endianness.
3442         (Parameters::set_target_once): Ditto.
3443         (Parameters::check_target_endianness): New method.
3444         (parameters_force_valid_target): If either -EL or -EB is specified,
3445         use it to define endianness of default target.
3446         * parameters.h (Parameters::check_target_endianness): New method
3447         declaration.
3448         * target.h (class Target): Change "endianity" to "endianness"
3449         in comments.
3451 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3453         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
3454         * configure: Regenerate.
3455         * Makefile.in: Regenerate.
3456         * testsuite/Makefile.in: Regenerate.
3458 2010-04-06  Cary Coutant  <ccoutant@google.com>
3460         gcc PR lto/42757
3461         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
3462         prevailing definitions of common symbols.
3463         * testsuite/plugin_test_6.sh: New test case.
3464         * testsuite/plugin_common_test_1.c: New test case.
3465         * testsuite/plugin_common_test_2.c: New test case.
3466         * testsuite/Makefile.am (plugin_test_6): New test case.
3467         * testsuite/Makefile.in: Regenerate.
3469 2010-04-06  Nick Clifton  <nickc@redhat.com>
3471         * po/vi.po: New Vietnamese translation.
3473 2010-03-30  Doug Kwan  <dougkwan@google.com>
3475         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
3477 2010-03-25  Doug Kwan  <dougkwan@google.com>
3479         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3480         to avoid a conversion warning on a 32-bit host.
3482 2010-03-24  Ian Lance Taylor  <iant@google.com>
3484         * testsuite/script_test_3.t: Add a TLS segment.
3485         * testsuite/Makefile.am (check_PROGRAMS): Add
3486         tls_phdrs_script_test.
3487         (tls_phdrs_script_test_SOURCES): Define.
3488         (tls_phdrs_script_test_DEPENDENCIES): Define.
3489         (tls_phdrs_script_test_LDFLAGS): Define.
3490         (tls_phdrs_script_test_LDADD): Define.
3491         * testsuite/Makefile.in: Rebuild.
3493 2010-03-23  Cary Coutant  <ccoutant@google.com>
3495         * fileread.cc (find_or_make_view): Fix comment.
3497 2010-03-23  Ian Lance Taylor  <iant@google.com>
3499         * script-sections.cc (class Orphan_section_placement): Define
3500         PLACE_TLS and PLACE_TLS_BSS.
3501         (Orphan_section_placement::Orphan_section_placement): Initialize
3502         new places.
3503         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3504         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3505         (tls_script_test_SOURCES): Define.
3506         (tls_script_test_DEPENDENCIES): Define.
3507         (tls_script_test_LDFLAGS): Define.
3508         (tls_script_test_LDADD): Define.
3509         * testsuite/Makefile.in: Rebuild.
3511 2010-03-22  Doug Kwan  <dougkwan@google.com>
3513         * arm.cc (Arm_relocate_functions::abs8,
3514         Arm_relocate_functions::abs16): Use correct check for overflow
3515         specified in the ARM ELF specs.
3516         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3517         target of a BLX instruction specially.
3518         (Reloc_stub::stub_type_for_reloc): Ditto.
3519         (Relocate::relocate): Use symbolic names instead of numeric relocation
3520         codes to report error.
3521         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3522         workaround.
3523         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3524         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3525         thumb2_blx_out_of_range.stdout
3526         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3527         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3528         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3529         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3530         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3531         thumb2_blx_in_range, thumb2_blx_in_range.o,
3532         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3533         thumb2_blx_out_of_range.o): New rules.
3534         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3535         thumb2_blx_in_range and thumb2_blx_out_of_range.
3536         * testsuite/Makefile.in: Regenerate.
3537         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3538         * testsuite/thumb_blx_in_range.s: New file.
3539         * testsuite/thumb_blx_out_of_range.s: New file.
3541 2010-03-22  Rafael Espindola  <espindola@google.com>
3543         * archive.cc (Should_include): Move to archive.h.
3544         (should_include_member): Make it a member of Archive.
3545         (Lib_group): New.
3546         (Add_lib_group_symbols): New.
3547         * archive.h: Include options.h.
3548         (Archive_member): Moved from Archive.
3549         (Should_include): Moved from archive.cc.
3550         (Lib_group): New.
3551         (Add_lib_group_symbols): New.
3552         * dynobj.cc (do_should_include_member): New.
3553         * dynobj.h (do_should_include_member): New.
3554         * gold.cc (queue_initial_tasks): Update call to queue.
3555         * main.cc (main): Print lib group stats.
3556         * object.cc (do_should_include_member): New.
3557         * object.h: Include archive.h.
3558         (Object::should_include_member): New.
3559         (Object::do_should_include_member): New.
3560         (Sized_relobj::do_should_include_member): New.
3561         * options.cc (General_options::parse_start_lib): New.
3562         (General_options::parse_end_lib): New.
3563         (Input_arguments::add_file): Handle lib groups.
3564         (Input_arguments::start_group): Check we are not in a lib.
3565         (Input_arguments::start_lib): New.
3566         (Input_arguments::end_lib): New.
3567         * options.h (General_options): Add start_lib and end_lib.
3568         (Input_argument::lib_): New.
3569         (Input_argument::lib): New.
3570         (Input_argument::is_lib): New.
3571         (Input_file_lib): New.
3572         (Input_arguments::in_lib_): New.
3573         (Input_arguments::in_lib): New.
3574         (Input_arguments::start_lib): New.
3575         (Input_arguments::end_lib_): New.
3576         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3577         in unused members as preempted.
3578         (Sized_pluginobj::do_should_include_member): New.
3579         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3580         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3581         return the blocker.
3582         (Read_symbols::do_whole_lib_group): New.
3583         (Read_symbols::do_lib_group): New.
3584         (Read_symbols::do_read_symbols): Handle lib groups.
3585         (Read_symbols::get_name): Handle lib groups.
3586         * readsyms.h (Read_symbols): Add an archive member pointer.
3587         (Read_symbols::do_whole_lib_group): New.
3588         (Read_symbols::do_lib_group): New.
3589         (Read_symbols::member_): New.
3590         * script.cc (read_input_script): Update call to queue_soon.
3592 2010-03-19  Doug Kwan  <dougkwan@google.com>
3594         * arm.cc (Stub_table::Stub_table): Initialize new data members
3595         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3596         (Stub_table::add_reloc_stub): Assign stub offset and update
3597         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3598         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3599         New data members.
3600         (Stub_table::update_data_size_and_addralign): Use
3601         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3602         instead of going over all reloc stubs.
3603         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3604         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3605         Stringpool_template::offset_ to size of Stringpool_char.
3606         (Stringpool_template::new_key_offset): Remove code to initialize
3607         Stringpool_template::offset_.
3608         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3609         Stringpool_template::offset_ to zero.
3611 2010-03-15  Doug Kwan  <dougkwan@google.com>
3613         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3614         offset_.
3615         (Stringpool_template::new_key_offset): New method.
3616         (Stringpool_template::add_string): Assign offsets when adding new
3617         strings.
3618         (Stringpool_template::set_string_offsets): Do not set string offsets
3619         when not optimizing.
3620         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3621         member size_.
3622         (Chunked_vector::clear): Clear size_.
3623         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3624         (Chunked_vector::size): Return size_.
3625         (Chunked_vector::push_back): Use size_ to find insert position.
3626         (Chunked_vector::size_): New data member.
3627         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3628         (Stringpool_template::new_key_offset): New method declaration.
3629         (Stringpool_template::offset_): New data member.
3631 2010-03-15   Rafael Espindola  <espindola@google.com>
3633         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3634         Add_symbols' constructor.
3635         * readsyms.h (Add_symbols): Remove the input_group member.
3637 2010-03-10  Ian Lance Taylor  <iant@google.com>
3639         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3640         target to ask whether a reference to a symbol requires a stack
3641         split.
3642         * target.h (Target::is_call_to_non_split): New function.
3643         (Target::do_is_call_to_non_split): Declare virtual function.
3644         * target.cc: Include "symtab.h".
3645         (Target::do_is_call_to_non_split): New function.
3646         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3648 2010-03-10  Cary Coutant  <ccoutant@google.com>
3650         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3651         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3652         (File_read::open[2]): Add whole_file_view_ to list of views.
3653         (File_read::make_view): Remove test of whole_file_view_.
3654         (File_read::find_or_make_view): Create whole_file_view_ if
3655         necessary.
3656         (File_read::clear_views): Replace bool parameter with enum;
3657         adjust all callers.  Don't delete views with permanent data;
3658         do delete cached views and views from archives if
3659         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3660         if clearing the corresponding view.
3661         * fileread.h (File_read::Clear_views_mode): New enum.
3662         (File_read::View::is_permanent_view): New method.
3663         (File_read::clear_views): Replace bool parameter
3664         with enum; adjust all callers.
3665         * options.h (General_options): Change keep_files_mapped option;
3666         add map_whole_files.
3667         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3668         releasing the file.
3669         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3670         the file.
3672 2010-03-10  David S. Miller  <davem@davemloft.net>
3674         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3676 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3678         * icf.cc (get_section_contents): Add '@' marker after processing the
3679         merge reloc.
3681 2010-03-08  Doug Kwan  <dougkwan@google.com>
3683         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3684         due to a conversion warning.
3685         (Arm_relobj::update_output_local_symbol_count): Check for local
3686         symbol with unset output index.
3688 2010-03-05  Ian Lance Taylor  <iant@google.com>
3690         * options.h (class General_options): Add --spare-dynamic-tags.
3691         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3692         --spare-dynamic-tags.
3694 2010-03-05  Ian Lance Taylor  <iant@google.com>
3696         * incremental.cc: Include "libiberty.h".
3698 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3700         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3701         function, is_info_ member.
3702         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3703         (Versions::Versions): Update caller.
3704         (Versions::define_base_version): Likewise.
3705         (Versions::add_def): Likewise.
3707 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3709         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3710         (Scan::possible_function_pointer_reloc): New function.
3711         (Scan::local_reloc_may_be_function_pointer): Change to call
3712         possible_function_pointer_reloc.
3713         (Scan::global_reloc_may_be_function_pointer): Ditto.
3714         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3715         relocations in ".data.rel.ro._ZTV" section.
3716         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3717         * testsuite/icf_safe_so_test.cc: Ditto.
3718         * testsuite/icf_safe_test.cc: Ditto.
3719         * testsuite/icf_safe_test.sh: Ditto.
3721 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3722             Ian Lance Taylor  <iant@google.com>
3724         * target-reloc.h (relocate_section): Check the symbol table index
3725         for -1U before setting the local symbol index.
3726         (scan_relocatable_relocs): If copying the relocation, record that
3727         the local symbol is required.
3728         * object.h (Symbol_value::is_output_symtab_index_set): New
3729         function.
3730         (Symbol_value::may_be_discarded_from_output_symtab): New
3731         function.
3732         (Symbol_value::has_output_symtab_entry): New function.
3733         (Symbol_value::needs_output_symtab_entry): Remove.
3734         (Symbol_value::output_symtab_index): Make sure the symbol index is
3735         set.
3736         (Symbol_value::set_output_symtab_index): Make sure the symbol
3737         index is not set.  Make sure the new index is valid.
3738         (Symbol_value::set_must_have_output_symtab_entry): New function.
3739         (Symbol_value::has_output_dynsym_entry): New function.
3740         (Symbol_value::set_output_dynsym_index): Make sure the new index
3741         is valid.
3742         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3743         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3744         local symbol if permitted.
3745         (Sized_relobj::do_finalize_local_symbols): Call
3746         is_output_symtab_index_set rather than needs_output_symtab_entry.
3747         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3748         rather than needs_output_symtab_entry.  Call
3749         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3750         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3751         is_output_symtab_index_set rather than needs_output_symtab_entry.
3752         * testsuite/discard_locals_relocatable_test.c: New file.
3753         * testsuite/discard_locals_test.sh: Test -r.
3754         * testsuite/Makefile.am (check_DATA): Add
3755         discard_locals_relocatable_test1.syms,
3756         discard_local_relocatable_test2.syms.
3757         (MOSTLYCLEANFILES): Likewise.  Also add
3758         discard_locals_relocatable_test1.lout and
3759         discard_locals_relocatable_test2.out.
3760         (discard_locals_relocatable_test1.syms): New target.
3761         (discard_locals_relocatable_test.o): New target.
3762         (discard_locals_relocatable_test1.out): New target.
3763         (discard_locals_relocatable_test2.syms): New target.
3764         (discard_locals_relocatable_test2.out): New target.
3765         (various): Add missing ../ld-new dependencies.
3766         * testsuite/Makefile.in: Rebuild.
3768 2010-03-03  Nick Clifton  <nickc@redhat.com>
3770         * po/fi.po: New Finnish translation.
3772 2010-03-01  Doug Kwan  <dougkwan@google.com>
3774         * layout.cc (Layout::Layout): Force section types of .init_array*,
3775         .preinit_array* and .fini_array* sections.
3776         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3777         Fix check of return value of std::string::find.().
3778         (Output_section::Input_section_sort_compare::operator()): Remove
3779         comment about .init_array.
3780         (Output_section::Input_section_sort_init_fini_compare::operator()):
3781         New method.
3782         (Output_section::sort_attached_input_sections): Handle .init_array
3783         and .fini_array specially.
3784         * output.h (Output_section::Inut_section_sort_compare): Update
3785         comment.
3786         (Output_section::Input_section_sort_init_fini_compare): New struct.
3788 2010-02-26  Doug Kwan  <dougkwan@google.com>
3790         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
3791         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
3792         * testsuite/debug_msg.sh: Avoid matching source line number for
3793         use of global variable undef_int.
3795 2010-02-26  Doug Kwan  <dougkwan@google.com>
3797         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
3798         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
3799         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
3800         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
3801         * options.cc (General_options::General_options): Initialize member
3802         fix_v4bx_.
3803         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
3804         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
3805         and rm_no_fix_v4bx.stdout
3806         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
3807         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
3808         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
3809         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
3810         and arm_no_fix_v4bx.
3811         * Makefile.in: Regenerate.
3812         * testsuite/arm_fix_v4bx.s: New file.
3813         * testsuite/arm_fix_v4bx.sh: Ditto.
3815 2010-02-24  Doug Kwan  <dougkwan@google.com>
3817         * arm.cc (Target_arm::got_section): Make the .got section the first
3818         non RELRO section in the data segment.
3819         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
3820         suffixes of section names.
3822 2010-02-24  Doug Kwan  <dougkwan@google.com>
3824         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
3825         flags and attributes merging if an input file is a binary file.
3826         * fileread.cc (Input_file::open): Record format of original file.
3827         * fileread.h (Input_file::Format): New enum type.
3828         (Input_file::Input_file): Initialize data member format_.
3829         (Input_file::format): New method definition.
3830         (Input_file::format_):: New data member.
3832 2010-02-24  Doug Kwan  <dougkwan@google.com>
3834         * arm.cc (Arm_output_data_got): New class.
3835         (ARM_TCB_SIZE): New constant
3836         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
3837         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
3838         If user uses a script with a SECTIONS clause, issue only a warning
3839         for a misplaced EXIDX input section.  Otherwise, issue an error.
3840         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
3841         garbage collection.
3842         (Target_arm::got_mode_index_entry): Handle static linking.
3843         (Target_arm::Scan::local): Ditto.
3844         (Target_arm::Scan::global): Ditto.
3845         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
3846         all incorrectly implemented relocations.
3847         (Target_arm::fix_exidx_coverage): Pass layout to
3848         Arm_output_section::fix_exidx_coverage.
3849         * layout.cc (Layout::section_name_mapping): Remove trailing dots
3850         from ".ARM.exidx." and ".ARM.extab.".
3852 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3854         * arm.cc (Target_arm::do_finalize_sections): Create attribute
3855         section if it does not already exist.
3856         * attributes.cc (Attributes_section_data::Attributes_section_data):
3857         Don't crash if size is zero.
3859 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3860             Ian Lance Taylor  <iant@google.com>
3862         * gold.cc (queue_middle_tasks): If no input files were opened,
3863         exit.
3864         * workqueue.h (Task_function::Task_function): Assert that there is
3865         a blocker.
3867 2010-02-22  Doug Kwan  <dougkwan@google.com>
3869         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
3870         * icf.cc (get_section_contents): Cast snprintf arguments to long long
3871         types to avoid warnings due to different uint64_t implementations
3872         on different hosts.
3874 2010-02-21  Doug Kwan  <dougkwan@google.com>
3876         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
3877         handling of the maximum backward branch offset.
3878         (Arm_relocate_functions::thumb_branch_common): Ditto.
3879         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
3880         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
3881         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
3882         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
3883         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
3884         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
3885         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
3886         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
3887         thumb_bl_out_of_range thumb_bl_out_of_range.o,
3888         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
3889         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
3890         thumb2_bl_out_of_range.o): New rules.
3891         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
3892         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
3893         thumb2_bl_out_of_range
3894         * testsuite/Makefile.in: Regenerate.
3895         * testsuite/arm_bl_in_range.s: New file.
3896         * testsuite/arm_bl_out_of_range.s: Ditto.
3897         * testsuite/arm_branch_in_range.sh: Ditto.
3898         * testsuite/arm_branch_range.t: Ditto.
3899         * testsuite/thumb2_branch_range.t: Ditto.
3900         * testsuite/thumb_bl_in_range.s: Ditto.
3901         * testsuite/thumb_bl_out_of_range.s: Ditto.
3902         * testsuite/thumb_branch_range.t: Ditto.
3904 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
3906         * gc.h (gc_process_relocs): Change vectors to point to the new list.
3907         Add reloc offset information.
3908         * icf.cc (get_section_contents): Change iterators to point to the new
3909         vectors. Add reloc offset information to the contents.
3910         * icf.h (Icf::Sections_reachable_info): New typedef.
3911         (Icf::Sections_reachable_list): New typedef.
3912         (Icf::Offset_info): New typedef.
3913         (Icf::Reloc_info): New struct typedef.
3914         (Icf::Reloc_info_list): New typedef.
3915         (Icf::symbol_reloc_list): Delete method.
3916         (Icf::addend_reloc_list): Delete method.
3917         (Icf::section_reloc_list): Delete method.
3918         (Icf::reloc_info_list): New method.
3919         (Icf::reloc_info_list_): New member.
3921 2010-02-19  Doug Kwan  <dougkwan@google.com>
3923         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
3924         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
3925         * arm.cc (Arm_relocation_functions): New forward declaration.
3926         (Target_arm::Target_arm): Initialize new data members
3927         got_mod_index_offset_ and tls_base_symbol_defined_.
3928         (Target_arm::Relocate::relocate_tls): New method.
3929         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
3930          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
3931         New methods.
3932         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
3933         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
3934         (Target_arm::got_mod_index_offset_,
3935         Target_arm::tls_base_symbol_defined_): New data members.
3936         (Target_arm::Scan::local, Target::Scan::global,
3937         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
3938         relocations.
3940 2010-02-18  Doug Kwan  <dougkwan@google.com>
3942         * arm.cc (Arm_relobj::find_linked_text_section): New method.
3943         (Arm_relobj::make_exidx_input_section): Pass section index of linked
3944         text section as a parameter becuase some broken tools may not set
3945         the link in section header.
3946         (Target_arm::has_got_section): New method.
3947         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
3948         without any mapping symbol as data only.  Remove warning.
3949         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
3950         link in its section header, try to discover the link by inspecting the
3951         REL31 relocation at the beginning of the section.
3952         (Target_arm::Scan::check_non_pic): Report name of offending relocation
3953         in error message.
3954         (Target_arm::Scan::global): Treat any reference to the symbol
3955         _GLOBAL_OFFSET_TABLE_ as a GOT access.
3957 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
3959         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
3960         (Scan::global_reloc_may_be_function_pointer): New function.
3961         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3962         (Scan::global_reloc_may_be_function_pointer): New function.
3963         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3964         (Scan::global_reloc_may_be_function_pointer): New function.
3965         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
3966         (Scan::global_reloc_may_be_function_pointer): New function.
3967         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
3968         (Scan::global_reloc_may_be_function_pointer): New function.
3969         (Scan::possible_function_pointer_reloc): New function.
3970         (Target_x86_64::can_check_for_function_pointers): New function.
3971         * gc.h (gc_process_relocs): Scan relocation types to determine if
3972         function pointers were taken for targets that support it.
3973         * icf.cc (Icf::find_identical_sections): Include functions for
3974         folding in safe ICF whose pointer is not taken.
3975         * icf.h (Secn_fptr_taken_set): New typedef.
3976         (fptr_section_id_): New member.
3977         (section_has_function_pointers): New function.
3978         (set_section_has_function_pointers): New function.
3979         (check_section_for_function_pointers): New function.
3980         * options.h: Fix comment for safe ICF option.
3981         * target.h (can_check_for_function_pointers): New function.
3982         * testsuite/Makefile.am: Add icf_safe_so_test test case.
3983         Modify icf_safe_test for X86-64.
3984         * testsuite/Makefile.in: Regenerate.
3985         * testsuite/icf_safe_so_test.cc: New file.
3986         * testsuite/icf_safe_so_test.sh: New file.
3987         * testsuite/icf_safe_test.cc (kept_func_3): New function.
3988         (main): Change to take pointer to function kept_func_3.
3989         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
3990         folding is done correctly for X86-64.
3992 2010-02-12  David S. Miller  <davem@davemloft.net>
3994         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
3995         is_symbolless parameter.
3996         (Output_reloc<SHT_REL>::is_symbolless): New.
3997         (Output_reloc<SHT_REL>::is_symbolless_): New.
3998         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
3999         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4000         (Output_reloc<SHT_RELA>::is_symbolless): New.
4001         (Output_data_reloc::add_global): Handle is_symbolless.
4002         (Output_data_reloc::add_global_relative): Likewise.
4003         (Output_data_reloc::add_local): Likewise.
4004         (Output_data_reloc::add_local_relative): Likewise.
4005         (Output_data_reloc::add_symbolless_global_addend): New.
4006         (Output_data_reloc::add_symbolless_local_addend): New.
4007         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4008         is_symbolless.
4009         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4010         instead of ->is_relative_
4011         (Output_reloc::write): Likewise.
4012         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4013         (Output_reloc::write_rel): Simplify.
4015         * sparc.cc (Target_sparc::Scan::local): Use
4016         ->add_symbolless_local_addend as needed.
4017         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4018         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4019         based upon relocation offset.
4021 2010-02-11  Doug Kwan  <dougkwan@google.com>
4023         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4024         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4025         beginning of function.
4026         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4027         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4028         parameter is_32bit in calls to should_apply_static_reloc.
4029         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4030         (check_DATA): Add arm_abs_global.stdout.
4031         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4032         arm_abs_global.stdout): New rules.
4033         (MOSTLLYCLEANFILES): Add arm_abs_global
4034         * Makefile.in: Regenerate.
4035         * testsuite/arm_abs_global.s: New file.
4036         * testsuite/arm_abs_global.sh: Ditto.
4037         * testsuite/arm_abs_lib.s: Ditto.
4039 2010-02-11  Ian Lance Taylor  <iant@google.com>
4041         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4042         Read_relocs task.
4043         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4044         Allocate_commons_task first.
4045         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4046         task, rather than symtab_lock_.
4047         (Gc_process_relocs::~Gc_process_relocs): New function.
4048         (Gc_process_relocs::is_runnable): Check this_blocker_.
4049         (Gc_process_relocs::locks): Use next_blocker_ rather than
4050         blocker_.
4051         (Scan_relocs::~Scan_relocs): New function.
4052         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4053         symtab_lock_.
4054         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4055         next_blocker_.
4056         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4057         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4058         constructor accordingly.
4059         (class Gc_process_relocs): Likewise.
4060         (class Scan_relocs): Likewise.
4061         * common.h (class Allocate_commons_task): Remove symtab_lock_
4062         field, and corresponding constructor parameter.
4063         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4064         symtab_lock_.
4065         (Allocate_commons_task::locks): Likewise.
4067 2010-02-11  Ian Lance Taylor  <iant@google.com>
4069         * gold-threads.h (class Once): Define.
4070         (class Initialize_lock): Rewrite as child of Once.
4071         * gold-threads.cc (class Once_initialize): Define.
4072         (once_pointer_control): New static variable.
4073         (once_pointer, once_arg): New static variables.
4074         (c_run_once): New static function.
4075         (Once::Once, Once::run_once, Once::internal_run): New functions.
4076         (class Initialize_lock_once): Remove.
4077         (initialize_lock_control): Remove.
4078         (initialize_lock_pointer): Remove.
4079         (initialize_lock_once): Remove.
4080         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4081         (Initialize_lock::initialize): Rewrite.
4082         (Initialize_lock::do_run_once): New function.
4083         * archive.cc (Archive::interpret_header): Only clear name if it is
4084         not already empty.
4085         * fileread.cc: Include "gold-threads.h"
4086         (file_counts_lock): New static variable.
4087         (file_counts_initialize_lock): Likewise.
4088         (File_read::release): Only increment counts when using --stats.
4089         Use a lock around the increment.
4090         * parameters.cc (class Set_parameters_target_once): Define.
4091         (set_parameters_target_once): New static variable.
4092         (Parameters::Parameters): Move here from parameters.h.
4093         (Parameters::set_target): Rewrite.
4094         (Parameters::set_target_once): New function.
4095         (Parameters::clear_target): Move here and rewrite.
4096         * parameters.h (class Parameters): Update declarations.  Add
4097         set_parameters_target_once_ field.
4098         (Parameters::Parameters): Move to parameters.cc.
4099         (Parameters::clear_target): Likewise.
4100         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4101         task.
4102         (Start_group::~Start_group): New function.
4103         (Start_group::is_runnable): New function.
4104         (Start_group::locks, Start_group::run): New functions.
4105         (Finish_group::run): Change saw_undefined to size_t.
4106         * readsyms.h (class Start_group): Define.
4107         (class Finish_group): Change saw_undefined_ field to size_t.
4108         (Finish_group::Finish_group): Remove saw_undefined and
4109         this_blocker parameters.  Change all callers.
4110         (Finish_group::set_saw_undefined): New function.
4111         (Finish_group::set_blocker): New function.
4112         * symtab.h (class Symbol_table): Change saw_undefined to return
4113         size_t.  Change saw_undefined_ field to size_t.
4114         * target-select.cc (Set_target_once::do_run_once): New function.
4115         (Target_selector::Target_selector): Initialize set_target_once_
4116         field.  Don't initialize lock_ and initialize_lock_ fields.
4117         (Target_selector::instantiate_target): Rewrite.
4118         (Target_selector::set_target): New function.
4119         * target-select.h (class Set_target_once): Define.
4120         (class Target_selector): Update declarations.  Make
4121         Set_target_once a friend.  Remove lock_ and initialize_lock_
4122         fields.  Add set_target_once_ field.
4124 2010-02-10  Ian Lance Taylor  <iant@google.com>
4126         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4127         queueing any tasks.
4128         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4129         (queue_middle_tasks): Add all blockers before queueing any tasks.
4130         (queue_final_tasks): Likewise.
4131         * token.h (Task_token::add_blockers): New function.
4132         * object.h (Input_objects::number_of_relobjs): New function.
4134 2010-02-10  Ian Lance Taylor  <iant@google.com>
4136         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4137         shared, not if not position independent.
4138         * x86_64.cc (Relocate::relocate_tls): Likewise.
4139         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4140         (tls_pie_pic_test): New target.
4141         * testsuite/Makefile.in: Rebuild.
4143         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4144         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4145         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4146         * testsuite/Makefile.in: Rebuild.
4148 2010-02-09  David S. Miller  <davem@davemloft.net>
4150         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4151         R_SPARC_RELATIVE using ->add_local_relative().
4152         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4154         * output.h (Output_data_dynamic::add_section_size): New method
4155         that takes two Output_data objects.
4156         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4157         entry param.  Handle it in initializers.
4158         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4159         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4160         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4161         arg.
4162         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4163         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4164         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4165         for dynrel_includes_plt.
4166         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4167         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4168         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4169         before .rela.plt
4170         (Target_sparc::do_finalize_sections): Update to pass true for
4171         dynrel_includes_plt.
4172         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4173         output before .rela.plt
4174         (Target_powerpc::do_finalize_sections): Update to pass true for
4175         dynrel_includes_plt when 32-bit.
4177 2010-02-08  Doug Kwan  <dougkwan@google.com>
4179         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4180         method.
4181         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4182         Arm_relobj::scan_section_for_cortex_a8_stubs,
4183         Arm_relobj::do_relocation_section): Instead of calling
4184         Output_section::output_address, use faster
4185         Arm_relobj::simple_input_section_output_address.
4187 2010-02-08  David S. Miller  <davem@davemloft.net>
4189         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4190         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4191         relocation helper function.
4193         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4194         just like R_SPARC_GOT{10,13,22}.
4195         (Target_sparc::Scan::local): Likewise.
4196         (Target_sparc::Relocate:relocate): Likewise.
4198 2010-02-06  Ian Lance Taylor  <iant@google.com>
4200         * configure.ac: Rewrite targetobjs duplicate removal code to use
4201         only shell constructs.
4202         * configure: Rebuild.
4204 2010-02-05  Doug Kwan  <dougkwan@google.com>
4206         PR 11247
4207         * arm.cc (Arm_relobj::section_is_scannable): New method.
4208         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4209         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4211 2010-02-04  Doug Kwan  <dougkwan@google.com>
4213         PR 11247
4214         * arm-reloc-property.cc (cstdio): Include.
4215         * configure.ac (targetobjs): Remove duplicates.
4216         * configure: Regenerate.
4217         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4218         big and little endian version for a given address size.
4220 2010-02-03  Doug Kwan  <dougkwan@google.com>
4222         * arm-reloc-property.cc
4223         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4224         definition.
4225         * arm-reloc-property.h
4226         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4227         New method definition.
4228         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4229         declaration.
4230         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4231         overflow to N.
4232         (GOT_PREL): Change implemented to Y.
4233         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4234         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4235         (Arm_relocate_functions::movw_abs_nc): Remove method.
4236         (Arm_relocate_functions::movt_abs): Ditto.
4237         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4238         (Arm_relocate_functions::thm_movt_abs): Ditto.
4239         (Arm_relocate_functions::movw_rel_nc): Ditto.
4240         (Arm_relocate_functions::movw_rel): Ditto.
4241         (Arm_relocate_functions::movt_rel): Ditto.
4242         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4243         (Arm_relocate_functions:thm_movw_rel): Ditto.
4244         (Arm_relocate_functions:thm_movt_rel): Ditto.
4245         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4246         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4247         New method definitions.
4248         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4249         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4250         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4251         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4252         (Target_arm::Relocate::relocate): Check for non-static or
4253         unimplemented relocation code and exit early.  Change calls to
4254         Target_arm::reloc_uses_thumb_bit and
4255         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4256         instead.  Refactor code to handle similar relocations to increase
4257         code sharing.  Remove check for unsupported relocation code in switch
4258         statement.
4259         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4260         relocation property table to find out size.  Change error message to
4261         print out the name of a relocation code instead of the numeric value.
4262         (Target_arm::scan_reloc_for_stub): Use relocation property table
4263         instead of calling Target_arm::reloc_uses_thumb_bit().
4265 2010-02-02  Doug Kwan  <dougkwan@google.com>
4267         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4268         types of relaxed input section.
4270 2010-02-02  Doug Kwan  <dougkwan@google.com>
4272         * Makefile.am (HFILES): Add arm-reloc-property.h.
4273         (DEFFILES): New.
4274         (TARGETSOURCES): Add arm-reloc-property.cc
4275         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4276         (libgold_a_SOURCES): $(DEFFILES)
4277         * Makefile.in: Regenerate.
4278         * arm-reloc-property.cc: New file.
4279         * arm-reloc-property.h: New file.
4280         * arm-reloc.def: New file.
4281         * arm.cc: Update comments.
4282         (arm-reloc-property.h): New included header.
4283         (arm_reloc_property_table): New global variable.
4284         (Target_arm::do_select_as_default_target): New method definition.
4285         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4286         arm-reloc-property to targ_extra_obj.
4287         * parameters.cc (set_parameters_target): Call
4288         Target::select_as_default_target().
4289         * target.h (Target::select_as_default_target): New method definition.
4290         (Target::do_select_as_default_target): Same.
4292 2010-02-01  Doug Kwan  <dougkwan@google.com>
4294         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4295         first_output_text_section_.
4296         (Arm_exidx_fixup::first_output_text_section): New method definition.
4297         (Arm_exidx_fixup::first_output_text_section_): New data member.
4298         (Arm_exidx_fixup::process_exidx_section): Record the first text
4299         output section seen.
4300         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4301         and entsize in output section header.
4303 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4305         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4306         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4307         (Arm_relocate_functions::thm_alu11): New Method.
4308         (Arm_relocate_functions::thm_pc8): New Method.
4309         (Arm_relocate_functions::thm_pc12): New Method.
4310         (Target_arm::Scan::local): Handle the relocations.
4311         (Target_arm::Scan::global): Likewise.
4312         (Target_arm::Relocate::relocate): Likewise.
4313         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4315 2010-01-29  Doug Kwan  <dougkwan@google.com>
4317         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4318         of relocation types as ld.
4320 2010-01-29  Doug Kwan  <dougkwan@google.com>
4322         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
4323         to public.
4324         (Arm_relocate_functions::thumb_branch_common): Ditto.
4325         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
4326         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
4327         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
4328         Arm_relocate_functions::jump24): Remove.
4329         (Target_arm::Relocate::relocate): Adjust code to call
4330         Arm_relocation_functions::arm_branch_common and
4331         Arm_relocation_functions::thumb_branch_common instead of their removed
4332         wrappers.  Merge switch-cases together to reduce source code size.
4334 2010-01-29  Doug Kwan  <dougkwan@google.com>
4336         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
4337         output_local_symbol_count_needs_update_.
4338         (Arm_relobj::output_local_symbol_count_needs_update,
4339          Arm_relobj::set_output_local_symbol_count_needs_update,
4340          Arm_relobj::update_output_local_symbol_count): New methods.
4341         (Arm_relobj::output_local_symbol_count_needs_update_): New data
4342         member.
4343         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
4344         of pointed function as in a R_ARM_PREL31 relocation.
4345         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
4346         for output local symbol count updating.
4347         (Target_arm::do_relax): Update output local symbol counts in objects
4348         if necessary.
4349         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
4351 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4353         * arm.cc: Added support for the ARM relocations:
4354         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
4355         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
4356         (Arm_relocate_functions::movw_rel_nc): Renamed (was
4357         movw_prel_nc).
4358         (Arm_relocate_functions::movw_rel): New method.
4359         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
4360         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
4361         thm_movw_prel_nc).
4362         (Arm_relocate_functions::thm_movw_rel): New method.
4363         (Arm_relocate_functions::thm_movt_rel): Renamed (was
4364         thm_movt_prel).
4365         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
4366         relocations.
4367         (Target_arm::Scan::global): Likewise.
4368         (Target_arm::Relocate::relocate): Likewise.
4369         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4370         Likewise.
4372 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4374         * arm.cc: Added support for ARM group relocations.
4375         (Target_arm::reloc_needs_sym_origin): New method.
4376         (Arm_relocate_functions::calc_grp_kn): New method.
4377         (Arm_relocate_functions::calc_grp_residual): New method.
4378         (Arm_relocate_functions::calc_grp_gn): New method.
4379         (Arm_relocate_functions::arm_grp_alu): New Method.
4380         (Arm_relocate_functions::arm_grp_ldr): New Method.
4381         (Arm_relocate_functions::arm_grp_ldrs): New Method.
4382         (Arm_relocate_functions::arm_grp_ldc): New Method.
4383         (Target_arm::Scan::local): Handle the ARM group relocations.
4384         (Target_arm::Scan::global): Likewise.
4385         (Target_arm::Relocate::relocate): Likewise.
4386         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4387         Likewise.
4389 2010-01-26  Doug Kwan  <dougkwan@google.com>
4391         * arm.cc (set): Include.
4392         (class Arm_exidx_fixup): Change type of last_input_section_ to const
4393         pointer type.
4394         (Arm_output_section::Text_section_list): New type.
4395         (Arm_output_section::append_text_sections_to_list): New method.
4396         (Arm_output_section::fix_exidx_coverage): Ditto.
4397         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
4398         (Arm_relobj::convert_input_section_to_relaxed_section): Use
4399         Relobj::set_section_offset() instead of
4400         Sized_relobj::invalidate_section_offset().
4401         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
4402         parameter for section headers. Ignore relocation sections for
4403         unallocated sections and EXIDX sections.
4404         (Target_arm::fix_exidx_coverage): New method.
4405         (Target_arm::output_section_address_less_than): New type.
4406         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
4407         linked text section instead of the EXIDX section.
4408         (Arm_output_section::create_stub_group): Add an assertion to check
4409         that this is not an EXIDX output section.
4410         (Arm_output_section::append_text_sections_to_list): New method.
4411         (Arm_output_section::fix_exidx_coverage): Ditto.
4412         (Arm_relobj::scan_sections_for_stubs): Adjust call to
4413         Arm_relobj::section_needs_reloc_stub_scanning.
4414         (Target_arm::do_relax): Fix EXIDX output section coverage in the
4415         first pass.
4416         (Target_arm::fix_exidx_coverage): New method.
4417         * object.h (Relobj::set_output_section): New method.
4418         (Sized_relobj::invalidate_section_offset): Remove method.
4419         (Sized_relobj::do_invalidate_section_offset): Remove method.
4420         (Sized_relobj::do_set_section_offset): Handle offset value -1.
4422 2010-01-25  Doug Kwan  <dougkwan@google.com>
4424         * arm.cc (Arm_exidx_merged_section::do_output_offset):
4425         Fix warning due to signed and unsigned comparison on a 32-bit host.
4427 2010-01-22  Doug Kwan  <dougkwan@google.com>
4429         * arm.cc (Target_arm::do_relax): Record an output section for section
4430         offset adjustment it contains any stub table that has changed.
4431         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
4432         offsets in an output section if necessary.
4433         * output.cc (Output_section::Output_section): Initialize
4434         section_offsets_need_adjustments_.
4435         (Output_section::add_input_section_for_script): Renamed to
4436         Output_section::add_simple_input_section.
4437         (Output_section::save_states): Add a comment.
4438         (Output_section::discard_states): New method defintion.
4439         (Output_section::adjust_section_offsets): Same.
4440         * output.h (Output_section::add_input_section_for_script): Renamed to
4441         Output_section::add_simple_input_section.
4442         (Output_section::discard_states): New method declaration.
4443         (Output_section::adjust_section_offsets): Same.
4444         (Output_section::section_offsets_need_adjustment,
4445         Output_section::set_section_offsets_need_adjustment): New method
4446         definitions.
4447         (Output_section::section_offsets_need_adjustment_): New data member.
4448         * script-sections.cc
4449         (Output_section_element_input::set_section_address): Adjust code for
4450         renaming of Output_section::add_input_section_for_script.
4451         (Orphan_output_section::set_section_address): Same.
4453 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4455         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
4456         Fix_v4bx enum values .
4457         * gold/options.h (General_options): New option definitions.
4458         (General_options::fix_v4bx): New method.
4459         (General_options::Fix_v4bx): New enum.
4460         * gold/options.cc (General_options::parse_fix_v4bx): New method.
4461         (General_options::parse_fix_v4bx_interworking): New method.
4463 2010-01-22  Doug Kwan  <dougkwan@google.com>
4465         * arm.cc (Arm_exidx_fixup): New class.
4467 2010-01-21  Doug Kwan  <dougkwan@google.com>
4469         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
4470         classes.
4471         (Arm_exidx_section_offset_map): New type.
4473 2010-01-21  Doug Kwan  <dougkwan@google.com>
4475         * arm.cc (Arm_exidx_input_section): New class.
4476         (Arm_relobj::exidx_input_section_by_link,
4477         Arm_relobj::exidx_input_section_by_shndx,
4478         Arm_relobj::make_exidx_input_section): New methods.
4479         (read_arm_attributes_section): Remove.
4480         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4481         information about them.
4482         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4483         to here.
4485 2010-01-20  Doug Kwan  <dougkwan@google.com>
4487         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4488         Input_section_specifier to Section_id.
4489         (Target_arm::new_arm_input_section: Adjust code for change of key
4490         type.
4491         (Target_arm::find_arm_input_section): Ditto.
4492         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4493         (Section_id): Remove.
4494         (Garbage_collection::Section_id_hash): Remove.
4495         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4496         (Section_id): Remove.
4497         (Icf::Section_id_hash): Remove.
4498         * object.h (Section_id, Const_section_id, Section_id_hash,
4499         Const_section_id_hash): New type definitions.
4500         * output.cc (Output_section::add_relaxed_input_section): Change to
4501         use Const_section_id instead of Input_section_specifier as key type.
4502         (Output_section::add_merge_input_section): Ditto.
4503         (Output_section::build_relaxation_map): Change to use Section_id
4504         instead of Input_section_specifier as key type.
4505         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4506         Ditto.
4507         (Output_section::convert_input_sections_to_relaxed_sections): Change
4508         to use Const_section_id instead of Input_section_specifier as key type.
4509         (Output_section::find_merge_section): Ditto.
4510         (Output_section::find_relaxed_input_section): Ditto.
4511         * output.h (Input_section_specifier): Remove class.
4512         (Output_section::Output_section_data_by_input_section_map): Change
4513         key type to Const_section_id.
4514         (Output_section::Output_relaxed_input_section_by_input_section_map):
4515         Ditto.
4516         (Output_section::Relaxation_map): Change key type to Section_id.
4518 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4520         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4521         (class Arm_v4bx_stub): New class.
4522         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4523         (Stub_factory::make_arm_v4bx_stub): New method.
4524         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4525         (Stub_table::empty): Handle v4bx stubs.
4526         (Stub_table::add_arm_v4bx_stub): New method.
4527         (Stub_table::find_arm_v4bx_stub): New method.
4528         (Arm_relocate_functions::v4bx): New method.
4529         (Target_arm::fix_v4bx): New method.
4530         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4531         (Stub_table::relocate_stubs): Likewise.
4532         (Stub_table::do_write): Likewise.
4533         (Stub_table::update_data_size_and_addralign): Likewise.
4534         (Stub_table::finalize_stubs):  Likewise.
4535         (Target_arm::Scan::local): Likewise.
4536         (Target_arm::Scan::global): Likewise.
4537         (Target_arm::do_finalize_sections): Likewise.
4538         (Target_arm::Relocate::relocate): Likewise.
4539         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4540         Likewise.
4541         (Target_arm::scan_reloc_for_stub): Likewise.
4542         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4544 2010-01-19  Ian Lance Taylor  <iant@google.com>
4546         * output.cc (Output_section_headers::do_sized_write): Write large
4547         segment count to sh_info field.
4548         (Output_file_header::do_sized_write): For large segment count,
4549         write PN_XNUM to e_phnum field.
4551 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4553         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4554         (Arm_relocate_functions::thm_jump8): New function.
4555         (Arm_relocate_functions::thm_jump11): New function.
4556         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4557         R_ARM_THM_JUMP11.
4558         (Target_arm::Scan::global): Likewise.
4559         (Target_arm::Relocate::relocate): Likewise.
4560         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4561         Likewise.
4563 2010-01-14  Doug Kwan  <dougkwan@google.com>
4565         * arm.cc (map, utility): Include headers.
4566         (Target_arm::apply_cortex_a8_workaround): New method.
4567         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4568         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4569         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4570         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4571         the --[no-]fix-cortex-a8 command line options.
4572         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4573         (Target_arm::relocate_stub): Use addend in instruction template.
4574         * options.h (DEFINE_bool): Set the user-set flag.
4575         (General_options): Add --[no-]-fix-cortex options.
4576         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4577         : Update fast look-up map after conversion.
4579 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4581         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4582         in the first pass of do_layout.
4584 2010-01-13  Doug Kwan  <dougkwan@google.com>
4586         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4587         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4588         apparent compiler problem of not folding static constant integral
4589         data members of elfcpp::Elf_sizes<32>.
4591 2010-01-13  Doug Kwan  <dougkwan@google.com>
4593         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4594         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4595         Arm_relobj::scan_section_for_cortex_a8_erratum,
4596         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4597         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4598         sections to scan for relocation stubs into a new method
4599         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4600         relocation and Cortex-A8 stub scanning.
4601         (Target_arm::do_relax): Force stubs to be after stubbed sections
4602         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4603         the beginning of a new relaxation pass.  Update a comment.
4604         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4606 2010-01-12  Ian Lance Taylor  <iant@google.com>
4608         * target-reloc.h (visibility_error): New inline function.
4609         (relocate_section): Call visibility_error.
4610         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4611         (MOSTLYCLEANFILES): Likewise.
4612         (protected_4_pic.o, protected_3.err): New targets.
4613         * testsuite/protected_4.cc: New file.
4615 2010-01-12  Doug Kwan  <dougkwan@google.com>
4617         * arm.cc (Cortex_a8_reloc): New class.
4618         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4619         and cortex_a8_relocs_info_.
4620         (Target_arm::fix_cortex_a8): New method definition.
4621         (Target_arm::Cortex_a8_relocs_info): New type.
4622         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4623         New data member declarations.
4624         (Target_arm::scan_reloc_for_stub): Record information about
4625         relocations for THUMB branches that might be exempted from the
4626         Cortex-A8 workaround.
4627         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4628         at the beginning of a relaxation pass.
4630 2010-01-12  Doug Kwan  <dougkwan@google.com>
4632         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4633         (Arm_relobj::Mapping_symbol_position,
4634          Arm_reloj::Mapping_symbol_position_less,
4635          Arm_relobj::Mapping_symbols_info): New types.
4636         (Target_arm::is_mapping_symbol_name): New method definition.
4637         (Arm_relobj::do_count_local_symbols): Save information about mapping
4638         symbols.
4640 2010-01-11  Doug Kwan  <dougkwan@google.com>
4642         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4643         Arm_relocate_functions::thumb32_branch_upper,
4644         Arm_relocate_functions::thumb32_branch_lower,
4645         Arm_relocate_functions::thumb32_cond_branch_offset,
4646         Arm_relocate_functions::thumb32_cond_branch_upper,
4647         Arm_relocate_functions::thumb32_cond_branch_lower,
4648         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4649         branch offset encoding.
4650         (Arm_relocate_functions::thumb_branch_common): Use new branch
4651         offset encoding methods to avoid code duplication.
4652         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4653         (Stub_addend_reader::operator()): Use new branch encoding method
4654         to avoid code duplication.
4656 2010-01-11  Doug Kwan  <dougkwan@google.com>
4658         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4659         (Target_arm::do_finalize_sections): Define special EXIDX section
4660         symbols only if referenced.
4661         * gc.h (Garbage_collection::add_reference): New method.
4662         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4663         code duplication.
4665 2010-01-11  Ian Lance Taylor  <iant@google.com>
4667         * script.cc (Version_script_info::build_expression_list_lookup):
4668         Change complaing about duplicate wildcard match from error to
4669         warning.
4671         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4672         of 2009-12-30.
4673         (Version_script_info::Version_script_info): Initialize globs_,
4674         default_version_, default_is_global_, and exact_.  Don't
4675         initialize globals_ or locals_.
4676         (Version_script_info::build_lookup_tables): Build local symbols
4677         first.
4678         (Version_script_info::unquote): New function.
4679         (Version_script_info::add_exact_match): New function.
4680         (Version_script_info::build_expression_list_lookup): Remove lookup
4681         parameter.  Add is_global parameter.  Change all callers.  Handle
4682         wildcard pattern specially.  Unquote pattern.  Call
4683         add_exact_match.
4684         (Version_script_info::get_name_to_match): New function.
4685         (Version_script_info::get_symbol_version): New function.
4686         (Version_script_info::get_symbol_version_helper): Remove.
4687         (Version_script_info::check_unmatched_names): Call unquote.
4688         * script.h (class Version_script_info): Change get_symbol_version
4689         to be non-inline and add is_global parameter; change all callers.
4690         Rewrite symbol_is_local.  Update declarations.  Define struct
4691         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4692         Remove globals_ and locals_ members.  Add exact_, globs_,
4693         default_version_, is_global_.
4694         (Version_script_info::Glob): Remove pattern, add expression and
4695         is_global.  Update constructor.  Change all callers.
4696         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4697         default version.
4698         (Versions::symbol_section_contents): If a symbol is undefined, or
4699         defined in a dynamic object, set the version index to
4700         VER_NDX_LOCAL.
4701         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4702         symbol_is_local.
4703         (Symbol_table::add_from_pluginobj): Likewise.
4704         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4706 2010-01-11  Doug Kwan  <dougkwan@google.com>
4708         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4709         (incremental_dump_LDADD): Add linking option for libintl.
4710         * Makefile.in: Regenerate.
4712 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4714         PR gold/11144
4715         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4716         instead of -Ds.
4717         * testsuite/Makefile.in: Regenerated.
4719 2010-01-10  Doug Kwan  <dougkwan@google.com>
4721         * options.h (DEFINE_var): Use parentheses around argument varname__
4722         in macro body to avoid any unintended subsequent substitutions.
4724 2010-01-10  Ian Lance Taylor  <iant@google.com>
4726         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4727         candidates before doing symbol resolution.
4729         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4730         ODR candidates if only one is weak.
4732 2010-01-08  Ian Lance Taylor  <iant@google.com>
4734         * script.cc (Version_script_info::build_expression_list_lookup):
4735         Don't warn about ambiguous version, just record the ambiguity.
4736         (Version_script_info::get_symbol_version_helper): Give error if
4737         version is ambiguous.
4739 2010-01-08  Doug Kwan  <dougkwan@google.com>
4741         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4742           prev_data_size_ and prev_addralign_.  Remove initializer for
4743           deleted data member has_been_changed_.
4744           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4745           to determine if the table is empty.
4746           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4747           Remove.
4748           (Stub_table::add_reloc_stub): Define method in class definition
4749           instead of just declaring it there.
4750           (Stub_table::add_cortex_a8_stub): New method definition.
4751           (Stub_table::update_data_size_and_addralign): Ditto.
4752           (Stub_table::finalize_stubs): Ditto.
4753           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4754           (Stub_table::do_addralign_): Return address alignment in the
4755           (Stub_table::do_reset_address_and_file_offset): Define method in
4756           class definition instead of declaring it there.  Set current data
4757           size to be the data size of the previous pass.
4758           (Stub_table::set_final_data_size): Use current data size as the
4759           final data size.
4760           (Stub_table::relocate_stub): Change parameter type of stub from
4761           Reloc_stub pointer to Stub pointer.
4762           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4763           (Stub_table::Cortex_a8_stub_list): New typedef.
4764           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4765            Stub_table::prev_addralign_): New data member.
4766           (Arm_relobj::Arm_relobj): Initialize data member
4767           section_has_cortex_a8_workaround_.
4768           (Arm_relobj::section_has_cortex_a8_workaround,
4769            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4770            definitions.
4771           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4772           declarations.
4773           (Target_arm::relocate_stub): Change parameter type of stub from
4774           Reloc_stub pointer to Stub pointer.
4775           (Insn_template::size, Insn_template::alignment): Handle
4776           THUMB16_SPECIAL_TYPE.
4777           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4778            Stub_table::update_data_size_and_addralign,
4779            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4780           definitions.
4781           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4782           (Stub_table::do_write): Ditto.
4783           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4785 2010-01-08  Ian Lance Taylor  <iant@google.com>
4787         PR 11108
4788         * symtab.h (class Symbol): Remove fields is_target_special_ and
4789         has_plt_offset_.  Add field is_defined_in_discarded_section_.
4790         (Symbol::is_defined_in_discarded_section): New function.
4791         (Symbol::set_is_defined_in_discarded_section): New function.
4792         (Symbol::has_plt_offset): Rewrite.
4793         (Symbol::set_plt_offset): Verify that new offset is not -1U.
4794         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
4795         Don't initialize is_target_special_ or has_plt_offset_.
4796         Initialize is_defined_in_discarded_section_.
4797         (Symbol_table::add_from_relobj): If appropriate, set
4798         is_defined_in_discarded_section.
4799         * resolve.cc (Symbol::override_base_with_special): Don't test
4800         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
4801         * target-reloc.h (relocate_section): Do special handling for
4802         symbols defined in discarded sections for global symbols as well
4803         as local symbols.
4805 2010-01-08  Ian Lance Taylor  <iant@google.com>
4807         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
4808         the SHT_SYMTAB case.
4810 2010-01-08  Ian Lance Taylor  <iant@google.com>
4812         * object.cc (Sized_relobj::do_layout): Don't get confused if
4813         layout_eh_frame returns NULL.
4815 2010-01-08  Ian Lance Taylor  <iant@google.com>
4817         PR 11084
4818         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
4819         dynamic symbol table, use the normal symbol table.
4820         (Sized_dynobj::do_read_symbols): Remove assertion about type of
4821         symbol table.
4823 2010-01-08  Ian Lance Taylor  <iant@google.com>
4825         PR 11072
4826         * layout.cc (Layout::include_section): Remove .gnu_debuglink
4827         sections.
4829 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
4831         * version.cc (print_version): Change to "Copyright 2010".
4833 2010-01-08  Ian Lance Taylor  <iant@google.com>
4835         PR 10287
4836         PR 11063
4837         * i386.cc (class Target_i386): Change return type of plt_section
4838         to be non-const.
4839         (class Output_data_plt_i386): Add tls_desc_rel_ field.
4840         (Output_data_plt_i386::Output_data_plt_i386): Initialize
4841         tls_desc_rel_ field.
4842         (Output_data_plt_i386::rel_tls_desc): New function.
4843         (Target_i386::rel_tls_desc_section): New function.
4844         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
4845         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
4846         R_386_TLS_DESC reloc in rel_tls_desc_section.
4847         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
4848         Define struct Tlsdesc_info.
4849         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
4850         (Target_x86_64::do_reloc_symbol_index): New function.
4851         (Target_x86_64::add_tlsdesc_info): New function.
4852         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
4853         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
4854         tlsdesc_rel_ field.
4855         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
4856         all callers.
4857         (Output_data_plt_x86_64::rela_tlsdesc): New function.
4858         (Target_x86_64::rela_tlsdesc_section): New function.
4859         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
4860         handling.
4861         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
4862         (Target_x86_64::do_reloc_addend): New function.
4863         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
4864         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
4865         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
4866         (Output_reloc::type): New function.
4867         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
4868         (Output_reloc::is_target_specific): New function.
4869         (Output_reloc::target_arg): New function.
4870         (class Output_reloc) [SHT_RELA]: Add four new constructors for
4871         absolute relocs and target specific relocs.
4872         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
4873         add_target_specific.
4874         (class Output_data_reloc) [SHT_RELA]: Likewise.
4875         * output.cc (Output_reloc::Output_reloc): Add four new versions
4876         for absolute relocs and target specific relocs.
4877         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
4878         (Output_reloc::get_symbol_index): Likewise.
4879         (Output_reloc::local_section_offset): Check that local_sym_index_
4880         is not TARGET_CODE or 0.
4881         (Output_reloc::symbol_value): Likewise.
4882         (Output_reloc::write) [SHT_RELA]: Call target for target specific
4883         reloc.
4884         * target.h (class Target): Add reloc_symbol_index and reloc_addend
4885         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
4886         functions.
4887         * layout.cc (add_target_dynamic_tags): Use output section for
4888         DT_PLTRELSZ and DT_JMPREL.
4890 2010-01-07  Ian Lance Taylor  <iant@google.com>
4892         PR 11061
4893         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
4894         function.
4895         (class Output_data_reloc_generic): Define.
4896         (class Output_data_reloc_base): Change base class to
4897         Output_data_reloc_generic.  Change add() method to call
4898         bump_relative_reloc_count for a relative reloc.  Remove
4899         sort_relocs_ field.
4900         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
4901         to sort_relocs().
4902         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
4903         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
4904         appropriate.
4905         * layout.h (class Layout): Update declaration.
4907 2010-01-07  Ian Lance Taylor  <iant@google.com>
4909         * output.h (class Output_data): Add const version of
4910         output_section and do_output_section.
4911         (class Output_section_data): Add const version of
4912         do_output_section.
4913         (class Output_section): Likewise.
4914         * layout.cc (Layout::add_target_dynamic_tags): New function.
4915         * layout.h (class Layout): Update declarations.
4916         * arm.cc (Target_arm::do_finalize_sections): Use
4917         add_target_dynamic_tags.
4918         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4919         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4920         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4921         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4923 2010-01-07  Ian Lance Taylor  <iant@google.com>
4925         PR 11042
4926         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
4927         object as needed.
4929 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
4930             Ian Lance Taylor  <iant@google.com>
4932         PR 11019
4933         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
4934         Xindex::read_symtab_xindex.
4936 2010-01-07  Doug Kwan  <dougkwan@google.com>
4938         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
4939         (Insn_template::thumb16_bcond_insn): New method declaration.
4940         (Insn_template): Fix spelling.
4941         (Stub::thumb16_special): New method declaration.
4942         (Stub::do_write): Define virtual method which was previously pure
4943         virtual.
4944         (Stub::do_thumb16_special): New method declaration.
4945         (Stub::do_fixed_endian_write): New template member.
4946         (Reloc_stub::do_write): Remove.
4947         (Reloc_stub::do_fixed_endian_write): Remove.
4948         (Cortex_a8_stub): New class definition.
4949         (Stub_factory::make_cortex_a8_stub): New method definition.
4950         (Stub_factory::Stub_factory): Add missing static storage class
4951         qualifier for elf32_arm_stub_a8_veneer_blx.
4953 2010-01-07  Ian Lance Taylor  <iant@google.com>
4955         PR 10980
4956         * options.h (class General_options): Add --warn-unresolved-symbols
4957         and --error-unresolved-symbols.
4958         * errors.cc (Errors::undefined_symbol): Implement
4959         --warn-unresolved-symbols.
4961         * options.h (class General_options): Add -z text and -z textoff.
4962         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
4964 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
4966         * gc.h (Garbage_collection::Cident_section_map): New typedef.
4967         (Garbage_collection::cident_sections): New function.
4968         (Garbage_collection::add_cident_section): New function.
4969         (Garbage_collection::cident_sections_): New member.
4970         (gc_process_relocs): Add references to sections whose names are C
4971         identifiers.
4972         * gold.h (cident_section_start_prefix): New constant.
4973         (cident_section_stop_prefix): New constant.
4974         (is_cident): New function.
4975         * layout.cc (Layout::define_section_symbols): Replace string constants
4976         with the newly defined constants.
4977         * object.cc (Sized_relobj::do_layout): Track sections whose names are
4978         C identifiers.
4979         * testsuite/Makefile.am: Add gc_orphan_section_test.
4980         * testsuite/Makefile.in: Regenerate.
4981         * testsuite/gc_orphan_section_test.cc: New file.
4982         * testsuite/gc_orphan_section_test.sh: New file.
4984 2010-01-06  Ian Lance Taylor  <iant@google.com>
4986         PR 10980
4987         * options.h (class General_options): Add --warn-shared-textrel.
4988         * layout.cc (Layout::finish_dynamic_section): Implement
4989         --warn-shared-textrel.
4991         PR 10980
4992         * options.h (class General_options): Add --warn-multiple-gp.
4994 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4996         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
4997         $(THREADSLIB) and $(LIBDL).
4998         * Makefile.in: Rebuild.
5000 2010-01-06  Ian Lance Taylor  <iant@google.com>
5002         PR 10980
5003         * options.cc (General_options::parse_section_start): New function.
5004         (General_options::section_start): New function.
5005         (General_options::General_options): Initialize all members.
5006         * options.h: Include <map>
5007         (class General_options): Add --section-start.  Add section_starts_
5008         member.
5009         * layout.cc (Layout::attach_allocated_section_to_segment): If
5010         --section-start was used, set the address of the segment.  Remove
5011         local sort_sections.
5012         (Layout::relaxation_loop_body): If the address of the load segment
5013         has been set by --section-start, don't use it.
5014         * output.h (Output_segment::update_flags_for_output_section): New
5015         function.
5016         * output.cc (Output_segment::add_output_section): Call
5017         update_flags_for_output_section.
5019 2010-01-05  Ian Lance Taylor  <iant@google.com>
5021         PR 10980
5022         * options.h (class General_options): Add --undefined-version.
5023         * script.cc (struct Version_expression): Add was_matched_by_symbol
5024         field.
5025         (Version_script_info::matched_symbol): New function.
5026         (Version_script_info::get_symbol_version_helper): Call
5027         matched_symbol.
5028         (Version_script_info::check_unmatched_names): New function.
5029         * script.h (class Version_script_info): Update declarations.
5030         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5032         * options.h (class General_options): Use DEFINE_bool_alias for
5033         allow_multiple_definition.
5034         * resolve.cc (Symbol_table::should_override): Don't test
5035         allow_multiple_definition.
5037         PR 10980
5038         * options.h (class General_options): Add --cref.
5039         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5040         until after printing cref table.
5041         * cref.cc: Include "symtab.h".
5042         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5043         (Cref_table_compare::operator()): New function.
5044         (Cref_inputs::gather_cref): New function.
5045         (filecol): New static const.
5046         (Cref_inputs::print_cref): New function.
5047         (Cref::print_cref): New function.
5048         * cref.h: Include <cstdio>.
5049         (class Cref): Update declarations.
5050         * mapfile.h (Mapfile::file): New function.
5051         * object.h (class Object): Define Symbols.  Declare virtual
5052         do_get_global_symbols.
5053         (Object::get_global_symbols): New function.
5054         * object.cc (Input_objects::add_object): Pass object to cref_ if
5055         --cref.
5056         (Input_objects::archive_start): Likewise.
5057         (Input_objects::archive_stop): Likewise.
5058         (Input_objects::print_cref): New function.
5059         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5060         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5061         --cref.
5062         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5063         function.
5064         * plugin.h (class Sized_pluginobj): Update declarations.
5066 2010-01-05  Ian Lance Taylor  <iant@google.com>
5068         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5069         to is_default_version.  Rename insdef to insdefault.
5070         (Symbol_table::add_from_relobj): Rename def to is_default_version
5071         and local to is_forced_local.
5072         (Symbol_table::add_from_pluginobj): Likewise.
5073         (Symbol_table::add_from_dynobj): Likewise.
5074         (Symbol_table::define_special_symbol): Rename insdef to
5075         insdefault.
5077 2010-01-04  Ian Lance Taylor  <iant@google.com>
5079         PR 10980
5080         * options.h (class General_options): Add
5081         --allow-multiple-definition and -z muldefs.
5082         * resolve.cc (Symbol_table::should_override): Don't warn about a
5083         multiple symbol definition if --allow-multiple-definition or -z
5084         muldefs.
5086         PR 10980
5087         * options.h (class General_options): Add --add-needed and
5088         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5089         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5090         error if --copy-dt-needed-entries aka --add-needed is used and
5091         would cause a change in behaviour.
5093         PR 10980
5094         * options.h (class General_options): Add -G as a short version of
5095         --shared.  Add no-op options -assert, -g, and -i.
5097 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5099         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5100         check for .text or .gnu.linkonce.t sections.
5101         * icf.cc (Icf::find_identical_sections): Ditto.
5102         Change the detection for mangled function name within the section
5103         name.
5104         * icf.h (is_section_foldable_candidate): New function.
5106 2009-12-30  Ian Lance Taylor  <iant@google.com>
5108         PR 10980
5109         * options.h (class General_options): Permit two dashes with
5110         --retain-symbols-file.
5112 2009-12-30  Ian Lance Taylor  <iant@google.com>
5114         PR 10979
5115         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5116         don't put the file header and segment headers in the text
5117         segment.
5119         PR 10979
5120         * common.cc (Sort_commons::operator()): Stabilize sort when both
5121         entries are NULL.
5122         (Symbol_table::do_allocate_commons_list): When allocating common
5123         symbols, skip a symbol which is no longer common.
5124         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5125         an object before checking its type.
5126         * testsuite/common_test_2.c: New file.
5127         * testsuite/common_test_3.c: New file.
5128         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5129         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5130         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5131         (common_test_2_pic.o, common_test_2.so): New targets.
5132         (common_test_3_pic.o, common_test_3.so): New targets.
5133         * testsuite/Makefile.in: Rebuild.
5135         PR 10979
5136         * script.cc (read_input_script): If we see a new SECTIONS clause,
5137         and we have added an input section, give an error.
5138         * layout.h (class Layout): Add have_added_input_section function.
5139         Add have_added_input_section_ field.
5140         * layout.cc (Layout::Layout): Initialize
5141         have_added_input_section_.
5142         (Layout::layout): Set have_added_input_section_.
5143         (Layout::layout_eh_frame): Likewise.
5145 2009-12-30  Ian Lance Taylor  <iant@google.com>
5147         PR 10931
5148         * options.h (class General_options): Add --sort-common option.
5149         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5150         * common.cc (Sort_common): Add sort_order parameter to
5151         constructor.  Add sort_order_ field.
5152         (Sort_commons::operator): Check sort_order_.
5153         (Symbol_table::allocate_commons): Determine the sort order.
5154         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5155         Change all callers.
5156         (Symbol_table::do_allocate_commons_list): Likewise.
5158 2009-12-30  Ian Lance Taylor  <iant@google.com>
5160         PR 10916
5161         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5162         symbols from this object, don't change the visibility of an
5163         undefined symbol.
5164         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5166 2009-12-30  Ian Lance Taylor  <iant@google.com>
5168         PR 10861
5169         * script.h (class Version_script_info): Define Language enum.
5170         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5171         new fields globals_, locals_, and is_finalized_.
5172         * script.cc: Various formatting fixes.
5173         (class Parser_closure): Change language_stack_ from a vector of
5174         std::string to one of Version_script_info::Language.  Adjust all
5175         uses accordingly.
5176         (class Lazy_demangler): Remove.
5177         (struct Version_expression): Change language from std::string to
5178         Version_script_info::Language.
5179         (Version_script_info::Version_script_info): New function.
5180         (Version_script_info::~Version_script_info): Don't call clear.
5181         (Version_script_info::finalize): New function.
5182         (Version_script_info::build_lookup_tables): New function.
5183         (Version_script_info::build_expression_list_lookup): New
5184         function.
5185         (Version_script_info::get_symbol_version_helper): Rewrite to use
5186         lookup tables.
5187         (Version_script_info::print_expression_list): Adjust to use
5188         Version_script_info::Language.
5189         (script_push_lex_into_version_mode): Check that the version script
5190         has not been finalized.
5191         (version_script_push_lang): Change language string to
5192         Version_script_info::Language.
5193         * options.cc (Command_line::version_script): New function.
5194         * options.h (class General_options): Add finalize_dynamic_list
5195         function.  Change version_script from declaration to definition.
5196         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5197         * testsuite/version_script.map: Remove duplicate def of foo.
5198         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5199         version_script.map.
5200         * testsuite/Makefile.in: Rebuild.
5202 2009-12-30  Ian Lance Taylor  <iant@google.com>
5204         PR 10843
5205         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5206         if the input symbol index is 0, make the output symbol index 0.
5208 2009-12-30  Ian Lance Taylor  <iant@google.com>
5210         PR 10670
5211         * options.h (class General_options): Add -x/--discard-all.
5212         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5213         --discard-all.  If the local symbol needs a dynamic entry, check
5214         that before handling --discard-locals.
5216 2009-12-30  Ian Lance Taylor  <iant@google.com>
5218         PR 10450
5219         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5220         flags to PF_R.
5221         (Output_segment::add_output_section): Don't change the flags if
5222         the type is PT_TLS.
5224         PR 10450
5225         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5226         GNU hash table if they need a dynamic value.  Otherwise, don't add
5227         them if they are defined in a dynamic object or are forced local.
5229 2009-12-29  Ian Lance Taylor  <iant@google.com>
5231         PR 10450
5232         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5233         .gnu.hash table for a 32-bit target.
5235         PR 10450
5236         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5237         regular and a dynamic object only needs a dynamic symbol table
5238         entry if it is externally visible.
5240         PR 10450
5241         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5242         constructor.  Add global_offset_table_ field.
5243         (Target_i386::got_section): Set global_offset_table_.
5244         (Target_i386::do_finalize_sections): Set global_offset_table_
5245         size.
5246         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5247         in constructor.  Add global_offset_table_ field.
5248         (Target_x86_64::got_section): Set global_offset_table_.
5249         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5250         size.
5252         * layout.cc (Layout::Layout): Initialize increase_relro_.
5253         (Layout::get_output_section): Add is_relro, is_last_relro, and
5254         is_first_non_relro parameters.  Change all callers.
5255         (Layout::choose_output_section): Likewise.
5256         (Layout::add_output_section_data): Likewise.
5257         (Layout::make_output_section): Likewise.
5258         (Layout::set_segment_offsets): Clear increase_relro when using a
5259         linker script.
5260         * layout.h (class Layout): Add increase_relro method.  Add
5261         increase_relro_ field.  Update declarations.
5262         * output.cc (Output_section::Output_section): Initialize
5263         is_last_relro_ and is_first_non_relro_.
5264         (Output_segment::add_output_section): Group relro sections is
5265         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5266         (Output_segment::maximum_alignment): Remove relro handling.
5267         (Output_segment::set_section_addresses): Add increase_relro
5268         parameter.  Change all callers.  Add initial alignment to align
5269         relro sections on separate page.  Remove old relro handling.
5270         (Output_segment::set_section_list_addresses): Remove in_relro
5271         parameter.  Change all callers.
5272         (Output_segment::set_offset): Add increase parameter.  Change all
5273         callers.  Remove old relro handling.
5274         * output.h (class Output_section): Add new methods: is_last_relro,
5275         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5276         Add is_last_relro_ and is_first_non_relro_ fields.
5277         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5278         Create separate .got.plt section.  Call increase_relro.
5279         * x86_64.cc (Target_x86_64::got_section): Likewise.
5280         * testsuite/relro_script_test.t: Add .got.plt.
5282         PR 10450
5283         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5284         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5285         (Layout::finalize): Call set_dynamic_symbol_size.
5286         (Layout::set_dynamic_symbol_size): New function.
5287         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5288         set_dynamic_symbol_size.
5290         PR 10450
5291         * output.h (class Output_section): Add is_entsize_zero_ field.
5292         * output.cc (Output_section::Output_section): Initialize
5293         is_entsize_zero_.
5294         (Output_section::set_entsize): If two different entsizes are
5295         requested, force it to zero.
5296         (Output_section::add_input_section): Set flags for .debug_str
5297         before updating section flags.  Set entsize.
5298         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5299         and SHF_STRING if all input sections have those flags.
5301 2009-12-29   Rafael Espindola  <espindola@google.com>
5303         * main.cc (main): Fix the sys time reporting.
5304         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5305         reporting.
5307 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5309         * options.cc (General_options::parse_version): Allow -v to exit
5310         without an error if there is nothing to link.
5312 2009-12-29  Ian Lance Taylor  <iant@google.com>
5314         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5315         using a version of gcc before 4.1.
5316         * configure: Rebuild.
5318 2009-12-28  Chris Demetriou  <cgd@google.com>
5320         * attributes.cc (Output_attributes_section_data::do_write): Use
5321         std::vector::front rather than std::vector::data.
5323 2009-12-28  Ian Lance Taylor  <iant@google.com>
5325         * symtab.h (class Symbol_table): Add enum Defined.
5326         * resolve.cc (Symbol_table::should_override): Add defined
5327         parameter.  Change all callers.  Test whether object is NULL
5328         before calling a method on it.
5329         (Symbol_table::report_resolve_problem): Add defined parameter.
5330         Change all callers.
5331         (Symbol_table::should_override_with_special): Likewise.
5332         * symtab.cc (Symbol_table::define_in_output_data): Add defined
5333         parameter.  Change all callers.
5334         (Symbol_table::do_define_in_output_data): Likewise.
5335         (Symbol_table::define_in_output_segment): Likewise.
5336         (Symbol_table::do_define_in_output_segment): Likewise.
5337         (Symbol_table::define_as_constant): Likewise.
5338         (Symbol_table::do_define_as_constant): Likewise.
5339         * script.h (class Symbol_assignment): Add is_defsym parameter to
5340         constructor; change all callers.
5341         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
5342         parameter.  Change all callers.  Add is_defsym_ field.
5343         (class Parser_closure): Add parsing_defsym parameter to
5344         constructor; change all callers.  Add parsing_defsym accessor
5345         function.  Add parsing_defsym_ field.
5347 2009-12-28  Ian Lance Taylor  <iant@google.com>
5349         * gold.cc (queue_middle_tasks): Fix formatting.
5350         * object.cc (Relobj::is_section_name_included): Likewise.
5352 2009-12-23  Ian Lance Taylor  <iant@google.com>
5354         * i386.cc (Target_i386::do_calls_non_split): Recognize
5355         -fsplit-stack prologue for a function with a static chain.
5356         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
5357         -fsplit-stack prologue when using %r11.
5359 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
5361         * options.cc (General_options::parse_version): Make -v continue and do
5362         the link like GNU ld does.
5364 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
5366         * Makefile.am (CCFILES): Add timer.cc.
5367         (HFILES): Add timer.h.
5368         * configure.ac: Check for sysconf and times.
5369         * main.cc: include timer.h.
5370         (main): Use Timer instead of get_run_time.
5371         * timer.cc: New.
5372         * timer.h: New.
5373         * workqueue.cc: include timer.h.
5374         (Workqueue::find_and_run_task):
5375         Report user, sys and wall time.
5376         * Makefile.in: Regenerate.
5377         * config.in: Regenerate.
5378         * configure: Regenerate.
5380 2009-12-16  Doug Kwan  <dougkwan@google.com>
5382         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
5383         sections.
5384         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
5385         relaxed input sections.
5386         * output.cc (Output_section::find_relaxed_input_section): Change
5387         return type to Output_relaxed_input_section pointer.  Adjust code
5388         for new type of relaxed_input_section_map_.
5389         * output.h (Output_section::find_relaxed_input_section): Change
5390         return type to Output_relaxed_input_section pointer.
5391         (Output_section::Output_relaxed_input_section_by_input_section_map):
5392         New type.
5393         (Output_section::relaxed_input_section_map_): Change type to
5394         Output_section::Output_relaxed_input_section_by_input_section_map.
5395         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
5396         input section.
5398 2009-12-15  Ian Lance Taylor  <iant@google.com>
5400         * layout.cc (Layout::create_shstrtab): Only write out after input
5401         sections if we are compressing debug sections.
5403 2009-12-15  Ian Lance Taylor  <iant@google.com>
5405         * archive.cc (Archive::add_symbols): Only look up a symbol without
5406         a version if there is, in fact, a version.
5408 2009-12-14  Ian Lance Taylor  <iant@google.com>
5410         Revert -Wshadow changes, all changes from:
5411         2009-12-11  Doug Kwan  <dougkwan@google.com>
5412         2009-12-11  Nick Clifton  <nickc@redhat.com>
5413         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
5415 2009-12-11  Doug Kwan  <dougkwan@google.com>
5417         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
5418         due to -Wshadow.
5419         * attributes.cc (Object_attribute::size): Ditto.
5420         (Attributes_section_data::size): Ditto.
5421         (Attributes_section_data::Attributes_section_data): Ditto.
5422         (Output_attributes_section_data::do_write): Ditto.
5423         * attributes.h (Object_attribute::set_type): Ditto.
5424         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
5426 2009-12-11  Nick Clifton  <nickc@redhat.com>
5428         * archive.cc: Fix shadowed variable warnings.
5429         * arm.cc: Likewise.
5430         * compressed_output.cc: Likewise.
5431         * compressed_output.h: Likewise.
5432         * configure: Likewise.
5433         * dwarf_reader.cc: Likewise.
5434         * dynobj.cc: Likewise.
5435         * dynobj.h: Likewise.
5436         * ehframe.cc: Likewise.
5437         * ehframe.h: Likewise.
5438         * errors.cc: Likewise.
5439         * expression.cc: Likewise.
5440         * fileread.cc: Likewise.
5441         * fileread.h: Likewise.
5442         * freebsd.h: Likewise.
5443         * i386.cc: Likewise.
5444         * icf.cc: Likewise.
5445         * incremental.h: Likewise.
5446         * layout.cc: Likewise.
5447         * layout.h: Likewise.
5448         * mapfile.cc: Likewise.
5449         * merge.cc: Likewise.
5450         * merge.h: Likewise.
5451         * object.cc: Likewise.
5452         * object.h: Likewise.
5453         * options.h: Likewise.
5454         * output.cc: Likewise.
5455         * output.h: Likewise.
5456         * parameters.cc: Likewise.
5457         * plugin.cc: Likewise.
5458         * powerpc.cc: Likewise.
5459         * reduced_debug_output.cc: Likewise.
5460         * reduced_debug_output.h: Likewise.
5461         * reloc.cc: Likewise.
5462         * reloc.h: Likewise.
5463         * resolve.cc: Likewise.
5464         * script-sections.cc: Likewise.
5465         * script.cc: Likewise.
5466         * script.h: Likewise.
5467         * sparc.cc: Likewise.
5468         * symtab.cc: Likewise.
5469         * symtab.h: Likewise.
5470         * target-select.cc: Likewise.
5471         * target-select.h: Likewise.
5472         * token.h: Likewise.
5473         * workqueue.cc: Likewise.
5474         * workqueue.h: Likewise.
5475         * x86_64.cc: Likewise.
5477 2009-12-10  Doug Kwan  <dougkwan@google.com>
5479         * arm.cc (attributes.h): New include.
5480         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5481         (Arm_relobj::~Arm_relobj): Delete object pointed by
5482         attributes_section_data_.
5483         (Arm_relobj::attributes_section_data): New method definition.
5484         (Arm_relobj::attributes_section_data_): New data member declaration.
5485         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5486         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5487         attributes_section_data_.
5488         (Arm_dynobj::attributes_section_data): New method definition.
5489         (Arm_dynobj::attributes_section_data_): New data member declaration.
5490         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5491         initialization value of may_use_blx_ to false.
5492         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5493         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5494         object attributes to compute results instead of hard-coding.
5495         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5496         Target_arm::get_secondary_compatible_arch,
5497         Target_arm::set_secondary_compatible_arch
5498         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5499         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5500         New method declarations.
5501         (Target_arm::get_aeabi_object_attribute): New method definition.
5502         (Target_arm::attributes_section_data_): New data member declaration.
5503         (read_arm_attributes_section): New template definition.
5504         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5505         (Arm_dynobj::do_read_symbols): Ditto.
5506         (Target_arm::do_finalize_sections): Merge attributes sections from
5507         input.  Check for BLX use after attributes section merging.
5508         Fix __exidx_start and __exidx_end visibility.  Create an
5509         .ARM.attributes section if necessary.
5510         (Target_arm::get_secondary_compatible_arch,
5511         Target_arm::set_secondary_compatible_arch,
5512         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5513         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5514         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5515         New method definitions.
5517 2009-12-09  Ian Lance Taylor  <iant@google.com>
5519         * plugin.cc (Plugin::load): Don't cast from void* to a function
5520         pointer.
5522 2009-12-09  Ian Lance Taylor  <iant@google.com>
5524         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5525         information fields.
5527 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5529         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5530         Replace two_file_shared_1.so with two_file_shared_2.so.
5531         * testsuite/Makefile.in: Regenerated.
5533 2009-12-08  Doug Kwan  <dougkwan@google.com>
5535         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5536         (HFILES): Add attributes.h and int_encoding.h.
5537         * Makefile.in: Regenerate.
5538         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5539         function definitions to int_encoding.cc
5540         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5541         prototypes to int_encoding.h
5542         * reduced_debug_output.cc (int_encoding.h): New include.
5543         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5544         function definitions to int_encoding.cc
5545         (insert_into_vector, read_from_pointer): Move template definitions to
5546         int_encoding.h
5547         * attributes.cc: New file.
5548         * attributes.h: New file.
5549         * int_encoding.cc: New file.
5550         * int_encoding.h: New file.
5552 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5554         PR gold/11055
5555         * incremental-dump.cc (dump_incremental_inputs): New.
5556         (main): Use dump_incremental_inputs.
5558 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5560         PR gold/10893
5561         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5562         checking elfcpp::STT_FUNC.
5563         (Target_i386::Relocate::relocate): Likewise.
5564         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5566         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5567         symbols from shared libraries into normal FUNC symbols.
5569         * symtab.h (Symbol): Add is_func and use it.
5571 2009-12-05  Doug Kwan  <dougkwan@google.com>
5573         * arm.cc (Target_arm::arm_info): Initialize new fields
5574         attributes_section and attributes_vendor.
5575         * i386.cc (Target_i386::i386_info): Same.
5576         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5577         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5578         fields attributes_section and attributes_vendor.
5579         * sparc.cc (Target_sparc::sparc_info): Same.
5580         * target.h (Target::attributes_section, Target::attributes_vendor,
5581         Target::is_attributes_section, Target::attribute_arg_type,
5582         Target::attributes_order): New method definitions.
5583         (Target::Target_info::attributes_section,
5584         Target::Target_info::attributes_vendor): New fields.
5585         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5586         virtual method definitions.
5587         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5588         attributes_section and attributes_vendor.
5589         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5591 2009-12-05  Doug Kwan  <dougkwan@google.com>
5593         * arm.cc: Update comments about interworking and stub generation.
5594         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5595         considered as non-PIC.
5596         (Arm_relocate_functions::base_abs): Fix formatting.
5597         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5598         of function to use GOT entry address instead of offset.
5599         (Target_arm::Scan::global): Issue an error if a symbol would need a
5600         PLT does not get one because it is untyped.  Remove code to create
5601         dynamic symbols for relative branches.
5602         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5603         takes unsigned integer instead of boolean.
5605 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5607         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5608         (two_file_test_LDADD): Likewise.
5609         (common_test_1_LDADD): Likewise.
5610         (exception_test_LDADD) Likewise.
5611         (weak_test_LDADD): Likewise.
5612         (many_sections_test_LDADD): Likewise.
5613         (initpri1_LDADD): Likewise.
5614         (script_test_1_LDADD): Likewise.
5615         (script_test_2_LDADD): Likewise.
5616         (justsyms_LDADD): Likewise.
5617         (binary_test_LDADD): Likewise.
5618         (large_LDADD): Likewise.
5619         * testsuite/Makefile.in: Regenerated.
5621 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5623         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5624         (Symbol_table::override_with_special): Likewise.
5625         (Symbol_table::add_from_object): Likewise.
5627 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5629         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5630         Don't set the data_offset twice.
5632 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5634         * testsuite/Makefile.in: Regenerate.
5636 2009-12-03  Doug Kwan  <dougkwan@google.com>
5638         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5639         (Target_arm::do_finalize_sections): Add parameter for symbol table
5640         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5641         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5642         parameter for symbol table pointer.
5643         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5644         an additional parameter for a pointer to symbol table.
5645         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5646         parameter for a symbol table pointer.
5647         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5648         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5649         Ditto.
5650         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5651         parameter for a symbol table pointer.
5653 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5655         * incremental.cc (Incremental_inputs_header)
5656         (Incremental_inputs_header_write, Incremental_inputs_entry)
5657         (Incremental_inputs_entry_write): Move ...
5658         * incremental.h (Incremental_inputs_header)
5659         (Incremental_inputs_header_write, Incremental_inputs_entry)
5660         (Incremental_inputs_entry_write): here.
5662 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5664         * incremental.cc (make_sized_incremental_binary): Set the target.
5665         Error if it is incompatible.
5666         * output.h (Output_file): Add filename method.
5668 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5670         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5671         from the get_* methods.
5673 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5675         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5676         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5677         Write 0 for the data_offset of scripts.
5679 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5681         * testsuite/Makefile.am: Add the incremental_test.sh test.
5682         * testsuite/incremental_test.sh: New.
5683         * testsuite/incremental_test_1.c: New.
5684         * testsuite/incremental_test_2.c: New.
5686 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5688        * incremental-dump.cc (main): Fix typos.
5690 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5692         PR gold/11025
5693         * incremental-dump.cc (main): Use llu to print 64 bit values.
5695 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5696             H.J. Lu  <hongjiu.lu@intel.com>
5698         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5699         $(LIBDL).
5700         (incremental_dump_LDADD): Likewise.
5701         * Makefile.in: Regenerated.
5703 2009-11-25  Doug Kwan  <dougkwan@google.com>
5705         Revert:
5707         2009-11-25  Doug Kwan  <dougkwan@google.com>
5709                 * arm.cc (Target_arm::Target_arm): Move method definition
5710                 outside of class definition.  Add code to handle
5711                 --target1-rel, --target1-abs and --target2= options.
5712                 (Target_arm::get_reloc_reloc_type): Change method to be
5713                 non-static and const.
5714                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5715                 New data member declaration.
5716                 (Target_arm::Scan::local, Target_arm::Scan::global,
5717                 Target_arm::Relocate::relocate,
5718                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5719                 Adjust call to Target_arm::get_real_reloc_type.
5720                 (Target_arm::get_real_reloc_type): Use command line options
5721                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5722                 * options.h (--target1-rel, --target1-abs, --target2): New
5723                 ARM-only options.
5725 2009-11-25  Doug Kwan  <dougkwan@google.com>
5727         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5728         class definition.  Add code to handle --target1-rel, --target1-abs
5729         and --target2= options.
5730         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5731         and const.
5732         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5733         member declaration.
5734         (Target_arm::Scan::local, Target_arm::Scan::global,
5735         Target_arm::Relocate::relocate,
5736         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5737         call to Target_arm::get_real_reloc_type.
5738         (Target_arm::get_real_reloc_type): Use command line options to
5739         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5740         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5741         options.
5743 2009-11-25  Doug Kwan  <dougkwan@google.com>
5745         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5746         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5747         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5748         formatting.
5749         (Arm_relocate_functions::thm_call): Replace body with a call to
5750         Arm_relocate_functions::thumb_branch_common.
5751         (Arm_relocate_functions::thm_jump24,
5752         Arm_relocate_functions::thm_xpc22): New method definitions.
5753         (Arm_relocate_functions::thumb_branch_common): New method definition.
5754         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5755         operator.
5756         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5757         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5759 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5761         * Makefile.am: Build incremental-dump
5762         * Makefile.in: Regenerate.
5763         * incremental-dump.cc: New.
5764         * incremental.cc (Incremental_inputs_header_data,
5765         Incremental_inputs_entry_data): Move to incremental.h
5766         * incremental.h: (Incremental_inputs_header_data,
5767         Incremental_inputs_entry_data): Move from incremental.cc
5769 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5771         * incremental.cc (Incremental_inputs_header,
5772         Incremental_inputs_header_write, Incremental_inputs_entry,
5773         Incremental_inputs_entry_write): Add a typedef with the data type.
5775 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5777         * incremental.cc (Incremental_inputs_header,
5778         Incremental_inputs_header_write, Incremental_inputs_entry,
5779         Incremental_inputs_entry_write): Update comment about which
5780         type has the filed descriptions.
5782 2009-11-15  Doug Kwan  <dougkwan@google.com>
5784         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5785         (Arm_relocate_functions::arm_branch_common): Change method defintion
5786         in class definition to a method declaration and update list of formal
5787         parameters.
5788         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
5789         Arm_relocation_functions::jump24): Adjust call to
5790         Arm_relocate_functions::arm_branch_common.  Update list of formal
5791         parameters.
5792         (Arm_relocate_functions::xpc25): New method definition.
5793         (Arm_relocate_functions::arm_branch_common): Move method defintion
5794         out from class definition.  Use stubs for mode-switching and extending
5795         branch ranges.
5796         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
5797         specially.  Change code to enable use of stubs in ARM branches.
5799 2009-11-10  Doug Kwan  <dougkwan@google.com>
5801         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5802         in method declaration.
5803         (Target_arm::relocate_stub): New method declaration.
5804         (Target_arm::default_target): Change to return a pointer instead of
5805         a const reference.
5806         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
5807         Target_arm::default_target.
5808         (Arm_Relobj::do_relocate_sections): Remove options paramater in
5809         method definition.
5810         (Target_arm::relocate_section): Adjust view.
5811         (Target_arm::relocate_stub): New method definition.
5813 2009-11-10  Doug Kwan  <dougkwan@google.com>
5815         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
5816         a format warning.
5817         * incremental.cc (open_incremental_binary): Initialized local
5818         variables to avoid warnings.
5819         * object.cc (make_elf_object): Ditto.
5820         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
5821         a format warning.
5823 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
5825         PR gold/10930
5826         * testsuite/plugin_test.c: Include "config.h".
5828 2009-11-09  Doug Kwan  <dougkwan@google.com>
5830         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
5831         (arm_symbol_value): Remove.
5832         (Arm_relocate_functions::arm_branch_common,
5833         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
5834         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
5835         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
5836         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
5837         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
5838         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
5839         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
5840         Arm_relocate_functions::thm_mobw_abs_nc,
5841         Arm_relocate_functions::thm_mov_abs,
5842         Arm_relocate_functions::movw_prel_nc,
5843         Arm_relocate_functions::thm_movt_abs,
5844         Arm_relocate_functions::movt_prel,
5845         Arm_relocate_functions::thm_movw_prel_nc,
5846         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
5847         (Target_arm::Relocate::relocate): Only decompose address into two
5848         parts if relocation type uses the thumb-bit and pass the actual
5849         bit instead of a flag indicating that the thumb-bit is used.  Adjust
5850         calls to methods in Arm_relocate_functions for this change.
5852 2009-11-08  Ian Lance Taylor  <iant@google.com>
5854         PR 10925
5855         * reloc.cc: Instantiate
5856         Sized_relobj::initialize_input_to_output_maps and
5857         Sized_relobj:free_input_to_output_maps.
5859 2009-11-06  Ian Lance Taylor  <iant@google.com>
5861         PR 10876
5862         * defstd.cc (in_segment): Set only_if_ref true for "end".
5864 2009-11-06  Doug Kwan  <dougkwan@google.com>
5866         * arm.cc (class Reloc_stub): Correct a comment.
5867         (Target_arm::Target_arm): Initialize arm_input_section_map_.
5868         (Target_arm::scan_section_for_stubs): New method declaration.
5869         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
5870         Change methods from private to protected.
5871         (Target_arm::do_may_relax): New method definition.
5872         (Target_arm::do_relax, Target_arm::group_sections,
5873         Target_arm::scan_reloc_for_stub,
5874         Target_arm::scan_reloc_section_for_stubs): New method declarations.
5875         (Target_arm::arm_input_section_map_): New data member declaration.
5876         (Target_arm::scan_reloc_for_stub,
5877         Target_arm::scan_reloc_section_for_stubs,
5878         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
5879         Target_arm::do_relax): New method definitions.
5881 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
5883         * configure.ac: Check for (struct stat)::st_mtim
5884         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
5885         * config.in: Regenerate.
5886         * configure: Regenerate.
5888 2009-11-05  Ian Lance Taylor  <iant@google.com>
5890         PR 10910
5891         * output.cc (Output_segment::add_output_section): Add missing
5892         return statement.
5894 2009-11-04  Ian Lance Taylor  <iant@google.com>
5896         PR 10880
5897         * object.h (class Object): Add is_needed and set_is_needed
5898         methods.  Add is_needed_ field.  Make bool fields into bitfields.
5899         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
5900         defined in a dynamic object and referenced by a regular object,
5901         set is_needed for the dynamic object.
5902         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
5903         if the file is marked with as_needed and it is not needed.
5905 2009-11-04  Ian Lance Taylor  <iant@google.com>
5907         PR 10887
5908         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
5909         tags if data is discarded by linker script.
5910         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5911         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5912         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5913         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5915 2009-11-04  Ian Lance Taylor  <iant@google.com>
5917         * layout.cc (Layout::get_output_section): Add is_interp and
5918         is_dynamic_linker_section parameters.  Change all callers.
5919         (Layout::choose_output_section): Likewise.
5920         (Layout::make_output_section): Likewise.
5921         (Layout::add_output_section_data): Add is_dynamic_linker_section
5922         parameter.  Change all callers.
5923         * layout.h (class Layout): Update declarations.
5924         * output.h (class Output_section): Add is_interp, set_is_interp,
5925         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
5926         Add is_interp_, is_dynamic_linker_section_ fields.  Change
5927         generate_code_fills_at_write_ to a bitfield.
5928         * output.cc (Output_section::Output_sections): Initialize new
5929         fields.
5930         (Output_segment::add_output_section): Add do_sort parameter.
5931         Change all callers.
5933 2009-11-03  Ian Lance Taylor  <iant@google.com>
5935         PR 10860
5936         * options.h (class General_options): Add --warn-common.
5937         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
5938         merging two common symbols.
5939         (Symbol_table::should_override): Handle --warn-common when merging
5940         a common symbol with a defined symbol.  Use report_resolve_problem
5941         for multiple definitions.
5942         (Symbol_table::report_resolve_problem): New function.
5943         * symtab.h (class Symbol_table): Declare report_resolve_problem.
5945 2009-11-03  Doug Kwan  <dougkwan@google.com>
5947         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
5948         stub_factory_.
5949         (Target_arm::stub_factory): New method definition.
5950         (Target_arm::new_arm_input_section,
5951         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
5952         Target_arm::reloc_uses_thumb_bit): New method declarations.
5953         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
5954         New type definitions.
5955         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
5956         member declarations.
5957         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
5958         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
5959         New method definitions.
5961 2009-11-03  Ian Lance Taylor  <iant@google.com>
5963         * options.h (class General_options): Add --warn_constructors.
5965 2009-11-03  Ian Lance Taylor  <iant@google.com>
5967         PR 10893
5968         * defstd.cc (in_section): Add entries for __rel_iplt_start,
5969         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
5971 2009-11-03  Ian Lance Taylor  <iant@google.com>
5973         PR 10895
5974         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
5975         --msgid-bugs-address.
5976         (install-pdf): New target.
5977         (install-data_yes): Look up one directory to find mkinstalldirs.
5979 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
5981         * po/Make-in (.po.gmo): Don't generate .gmo files in source
5982         tree.
5984 2009-10-30  Doug Kwan  <dougkwan@google.com>
5986         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
5988 2009-10-30  Doug Kwan  <dougkwan@google.com>
5990         * arm.cc (Stub_addend_reader): New struct template definition
5991         and partial specializations.
5992         (Stub_addend_reader::operator()): New method definition for a
5993         partially specialized template.
5995 2009-10-30  Doug Kwan  <dougkwan@google.com>
5997         * arm.cc (Arm_relobj::processor_specific_flags): New method
5998         definition.
5999         (Arm_relobj::do_read_symbols): New method declaration.
6000         (Arm_relobj::processor_specific_flags_): New data member declaration.
6001         (Arm_dynobj): New class definition.
6002         (Target_arm::do_finalize_sections): Add input_objects parameter.
6003         (Target_arm::do_adjust_elf_header): New method declaration.
6004         (Target_arm::are_eabi_versions_compatible,
6005         (Target_arm::merge_processor_specific_flags): New method declaration.
6006         (Target_arm::do_make_elf_object): New overloaded method definitions
6007         and declaration.
6008         (Arm_relobj::do_read_symbols): New method definition.
6009         (Arm_dynobj::do_read_symbols): Ditto.
6010         (Target_arm::do_finalize_sections): Add input_objects parameters.
6011         Merge processor-specific flags from all input objects.
6012         (Target_arm::are_eabi_versions_compatible,
6013         Target_arm::merge_processor_specific_flags,
6014         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6015         New method definitions.
6016         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6017         Input_objects pointer type parameter.
6018         * layout.cc (Layout::finalize): Pass input objects to target's.
6019         finalize_sections function.
6020         * output.cc (Output_file_header::do_sized_write): Set ELF file
6021         header's processor-specific flags.
6022         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6023         Input_objects pointer type parameter.
6024         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6025         * target.h (Input_objects): New forward class declaration.
6026         (Target::processor_specific_flags,
6027         Target::are_processor_specific_flags_sect): New method definitions.
6028         (Target::finalize_sections): Add input_objects parameter.
6029         (Target::Target): Initialize processor_specific_flags_ and
6030         are_processor_specific_flags_set_.
6031         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6032         parameter.
6033         (Target::set_processor_specific_flags): New method definition.
6034         (Target::processor_specific_flags_,
6035         Target::are_processor_specific_flags_set_): New data member
6036         declarations.
6037         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6038         Input_objects pointer type parameter.
6040 2009-10-30  Doug Kwan  <dougkwan@google.com>
6042         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6044 2009-10-28  Ian Lance Taylor  <iant@google.com>
6046         * object.h (class Relobj): Drop options parameter from
6047         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6048         do_scan_relocs, do_relocate.  Change all callers.
6049         (class Sized_relobj): Drop options parameters from
6050         do_gc_process_relocs, do_scan_relocs, do_relocate,
6051         do_relocate_sections, relocate_sections, emit_relocs_scan,
6052         emit_relocs_scan_reltype.  Change all callers.
6053         (struct Relocate_info): Remove options field and all references to
6054         it.
6055         * reloc.h (class Read_relocs): Remove options constructor
6056         parameter and options_ field.  Change all callers.
6057         (class Gc_process_relocs, class Scan_relocs): Likewise.
6058         (class Relocate_task): Likewise.
6059         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6060         all callers.
6061         (scan_relocatable_relocs): Likewise.
6062         * target.h (class Sized_target): Remove options parameter from
6063         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6064         all callers.
6065         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6066         callers.
6067         * arm.cc: Update functions to remove options parameters.
6068         * i386.cc: Likewise.
6069         * powerpc.cc: Likewise.
6070         * sparc.cc: Likewise.
6071         * x86_64.cc: Likewise.
6072         * testsuite/testfile.cc: Likewise.
6074 2009-10-28  Doug Kwan  <dougkwan@google.com>
6076         * arm.cc (Arm_relobj): New class definition.
6077         (Arm_relobj::scan_sections_for_stubs,
6078         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6079         New method definitions.
6081 2009-10-28  Cary Coutant  <ccoutant@google.com>
6083         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6084         (Plugin::cleanup_done_): New member.
6085         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6086         (Plugin_manager::cleanup_done_): Remove.
6087         (Plugin_manager::add_input_file): Edit error message.
6088         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6089         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6091 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6093         * fileread.cc: (File_read::View::~View): Use the new
6094         data_ownership_ filed.
6095         (File_read::~File_read): Dispose the new whole_file_view_.
6096         (File_read::open): Mmap the whole file if needed.
6097         (File_read::open): Use whole_file_view_ instead of contents_.
6098         (File_read::find_view): Use whole_file_view_ if applicable.
6099         (File_read::do_read): Use whole_file_view_ instead of contents_.
6100         (File_read::make_view): Use whole_file_view_ instead of contents_,
6101         update File_read::View::View call.
6102         (File_read::find_or_make_view): Update File_read::View::View
6103         call.
6104         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6105         remove contents_
6106         (File_read::View::Data_ownership): New enum.
6107         (File_read::View::View): Replace bool mapped_ with Data_ownership
6108         argument.
6109         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6110         (File_read::View::data_ownership_): New field.
6111         (File_read::contents_): Remove (replaced by whole_file_view_).
6112         (File_read::whole_file_view_): New field.
6113         * options.h (class General_options): Add --keep-files-mapped.
6115 2009-10-27  Cary Coutant  <ccoutant@google.com>
6117         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6118         * testsuite/Makefile.am (plugin_test_5): New test case.
6119         * testsuite/Makefile.in: Regenerate.
6121 2009-10-25  Doug Kwan  <dougkwan@google.com>
6123         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6124         from private to protected to allow access by child class.
6125         (Sized_relobj::do_relocate_sections): New method declaration.
6126         (Sized_relobj::relocate_sections): Virtualize.
6127         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6128         Sized_relobj::relocate_sections.  Instantiate template explicitly
6129         for different target sizes and endianity.
6131 2009-10-24  Doug Kwan  <dougkwan@google.com>
6133         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6134         (Arm_input_section::as_arm_input_section): New method.
6135         (Arm_output_section): New class definition.
6136         (Arm_output_section::create_stub_group,
6137         Arm_output_section::group_sections): New method definitions.
6139 2009-10-22  Doug Kwan  <dougkwan@google.com>
6141         * arm.cc (Arm_input_section): New class definition.
6142         (Arm_input_section::init, Arm_input_section:do_write,
6143         Arm_input_section::set_final_data_size,
6144         Arm_input_section::do_reset_address_and_file_offset): New method
6145         definitions.
6147 2009-10-21  Doug Kwan  <dougkwan@google.com>
6149         * arm.cc (Stub_table, Arm_input_section): New forward class
6150         declarations.
6151         (Stub_table): New class defintion.
6152         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6153         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6154         New method definition.
6156 2009-10-21  Doug Kwan  <dougkwan@google.com>
6158         * arm.cc: Update copyright comments.
6159         (Target_arm): New forward class template declaration.
6160         (Arm_address): New type.
6161         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6162         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6163         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6164         constants.
6165         (Insn_template): Same.
6166         (DEF_STUBS): New macro.
6167         (Stub_type): New enum type.
6168         (Stub_template): New class definition.
6169         (Stub): Same.
6170         (Reloc_stub): Same.
6171         (Stub_factory): Same.
6172         (Target_arm::Target_arm): Initialize may_use_blx_ and
6173         should_force_pic_veneer_.
6174         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6175         Target_arm::should_force_pic_veneer,
6176         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6177         Target_arm::using_thumb_only, Target_arm:;default_target): New
6178         method defintions.
6179         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6180         New data member declarations.
6181         (Insn_template::size, Insn_template::alignment): New method defintions.
6182         (Stub_template::Stub_template): New method definition.
6183         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6184         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6185         (Stub_factory::Stub_factory): New method definition.
6186         * gold.h (string_hash): New template.
6187         * output.h (Input_section_specifier::hash_value): Use
6188         gold::string_hash.
6189         (Input_section_specifier::string_hash): Remove.
6190         * stringpool.cc (Stringpool_template::string_hash): Use
6191         gold::string_hash.
6193 2009-10-20  Doug Kwan  <dougkwan@google.com>
6195         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6196         symbols of relaxed input sections.
6197         * output.h (Output_section::find_relaxed_input_section): Make
6198         method public.
6200 2009-10-16  Doug Kwan  <dougkwan@google.com>
6202         * dynobj.cc (Versions::Versions): Initialize version_script_.
6203         Only insert base version symbol definition for a shared object
6204         if version script defines any version versions.
6205         (Versions::define_base_version): New method definition.
6206         (Versions::add_def): Check that base version is not needed.
6207         (Versions::add_need): Define base version lazily.
6208         * dynobj.h (Versions::define_base_version): New method declaration.
6209         (Versions::needs_base_version_): New data member declaration.
6210         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6211         (check_DATA): Add no_version_test.stdout.
6212         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6213         New make rules.
6214         * testsuite/Makefile.in: Regenerate.
6215         * testsuite/no_version_test.c: New file.
6216         * testsuite/no_version_test.sh: Ditto.
6218 2009-10-16  Doug Kwan  <dougkwan@google.com>
6220         * expression.cc (class Segment_start_expression): New class definition.
6221         (Segment_start_expression::value): New method definition.
6222         (script_exp_function_segment_start): Return a new
6223         Segment_start_expression.
6224         * gold/script-c.h (script_saw_segment_start_expression): New function
6225         prototype.
6226         * script-sections.cc (Script_sections::Script_sections): Initialize
6227         SAW_SEGMENT_START_EXPRESSION_ to false.
6228         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6229         and -Tbbs options to specify section addresses if given in
6230         command line and no SEGMENT_START expression is seen in a script.
6231         * script-sections.h (Script_sections::saw_segment_start_expression,
6232         Script_sections::set_saw_segment_start_expression): New method
6233         definition.
6234         (Script_sections::saw_segment_start_expression_): New data member
6235         declaration.
6236         * script.cc (script_saw_segment_start_expression): New function.
6237         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6238         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6239         script_test_7.sh and script_test_8.sh.
6240         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6241         script_test_8.stdout.
6242         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6243         (script_test_6, script_test_6.stdout, script_test_7,
6244         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6245         * Makefile.in: Regenerate.
6246         * testsuite/script_test_6.sh: New file.
6247         * testsuite/script_test_6.t: Same.
6248         * testsuite/script_test_7.sh: Same.
6249         * testsuite/script_test_7.t: Same.
6250         * testsuite/script_test_8.sh: Same.
6252 2009-10-16  Doug Kwan  <dougkwan@google.com>
6254         * output.cc (Output_segment::set_section_list_address): Cast
6255         expressions to unsigned long long type to avoid format warnings.
6257 2009-10-15  Ian Lance Taylor  <iant@google.com>
6259         * script.cc (Script_options::add_symbol_assignment): Always add a
6260         dot assignment to script_sections_.
6261         * script-sections.cc (Script_sections::add_dot_assignment):
6262         Initialize if necessary.
6264         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6265         program headers with no load segment if there is a linker script.
6267         * layout.cc (Layout::set_segment_offsets): Align the file offset
6268         to the segment aligment for -N or -n with no load segment.
6269         * output.cc (Output_segment::add_output_section): Don't crash if
6270         the first section is a TLS section.
6271         (Output_segment::set_section_list_addresses): Print an error
6272         message if the address moves backward in a linker script.
6273         * script-sections.cc
6274         (Output_section_element_input::set_section_addresses): Don't
6275         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6276         (Orphan_output_section::set_section_addresses): Likewise.
6278 2009-10-15  Doug Kwan  <dougkwan@google.com>
6280         * layout.cc (Layout::finish_dynamic_section): Generate tags
6281         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6282         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6283         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6285 2009-10-14  Ian Lance Taylor  <iant@google.com>
6287         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6288         fields.
6289         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6290         data_shdr fields of relinfo.
6291         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6292         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6293         R_386_TLS_LDO_32, adjust based on section flags.
6294         (Target_i386::Relocate::fix_up_ldo): Remove.
6296 2009-10-13  Ian Lance Taylor  <iant@google.com>
6298         Add support for -pie.
6299         * options.h (class General_options): Add -pie and
6300         --pic-executable.
6301         (General_options::output_is_position_independent): Test -pie.
6302         (General_options::output_is_executable): Return true if not shared
6303         and not relocatable.
6304         (General_options::output_is_pie): Remove.
6305         * options.cc (General_options::finalize): Reject incompatible uses
6306         of -pie.
6307         * gold.cc (queue_middle_tasks): A -pie link is not static.
6308         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6309         * symtab.cc (Symbol::final_value_is_known): Return false if
6310         output_is_position_independent.
6311         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6312         output_is_position_independent.
6313         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6314         output_is_position_independent.
6315         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6316         output_is_position_independent.
6317         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6318         two_file_pie_test.
6319         (basic_pie_test.o, basic_pie_test): New targets.
6320         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
6321         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
6322         (two_file_pie_test): New target.
6323         * testsuite/Makefile.in: Rebuild.
6324         * README: Remove note saying that -pie is not supported.
6326 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6328         * options.h (class General_options): Add -init and -fini.
6329         * layout.cc (Layout::finish_dynamic_section): Emit
6330         given init and fini functions.
6332 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
6334         * gc.h (gc_process_relocs): Check if icf is enabled using new
6335         function.
6336         * gold.cc (queue_initial_tasks): Likewise.
6337         (queue_middle_tasks): Likewise.
6338         * object.cc (do_layout): Likewise.
6339         * symtab.cc (is_section_folded): Likewise.
6340         * main.cc (main): Likewise.
6341         * reloc.cc (Read_relocs::run): Likewise.
6342         (Sized_relobj::do_scan_relocs): Likewise.
6343         * icf.cc (is_function_ctor_or_dtor): New function.
6344         (Icf::find_identical_sections): Check if function is ctor or dtor when
6345         safe icf is chosen.
6346         * options.h (General_options::icf): Change option to be an enum.
6347         (Icf_status): New enum.
6348         (icf_enabled): New method.
6349         (icf_safe_folding): New method.
6350         (set_icf_status): New method.
6351         (icf_status_): New variable.
6352         * (options.cc) (General_options::finalize): Set icf_status_.
6353         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
6354         icf_test and icf_keep_unique_test to use the --icf enum flag.
6355         * testsuite/icf_safe_test.sh: New file.
6356         * testsuite/icf_safe_test.cc: New file.
6358 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
6360         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
6361         includes to gc.h and icf.h.
6362         * arm.cc: Include gc.h.
6363         * gold.cc: Likewise.
6364         * i386.cc: Likewise.
6365         * powerpc.cc: Likewise.
6366         * sparc.cc: Likewise.
6367         * x86_64.cc: Likewise.
6368         * gc.h: Include icf.h.
6370 2009-10-11  Ian Lance Taylor  <iant@google.com>
6372         * plugin.cc: Include "gold.h" before other header files.
6374 2009-10-10  Chris Demetriou  <cgd@google.com>
6376         * options.h (Input_file_argument::Input_file_type): New enum.
6377         (Input_file_argument::is_lib_): Replace with...
6378         (Input_file_argument::type_): New member.
6379         (Input_file_argument::Input_file_argument): Take Input_file_type
6380         'type' rather than boolean 'is_lib' as second argument.
6381         (Input_file_argument::is_lib): Use type_.
6382         (Input_file_argument::is_searched_file): New function.
6383         (Input_file_argument::may_need_search): Handle is_searched_file.
6384         * options.cc (General_options::parse_library): Support -l:filename.
6385         (General_options::parse_just_symbols): Update for Input_file_argument
6386         changes.
6387         (Command_line::process): Likewise.
6388         * archive.cc (Archive::get_file_and_offset): Likewise.
6389         * plugin.cc (Plugin_manager::release_input_file): Likewise.
6390         * script.cc (read_script_file, script_add_file): Likewise.
6391         * fileread.cc (Input_file::Input_file): Likewise.
6392         (Input_file::will_search_for): Handle is_searched_file.
6393         (Input_file::open): Likewise.
6394         * readsyms.cc (Read_symbols::get_name): Likewise.
6395         * testsuite/Makefile.am (searched_file_test): New test.
6396         * testsuite/Makefile.in: Regenerate.
6397         * testsuite/searched_file_test.cc: New file.
6398         * testsuite/searched_file_test_lib.cc: New file.
6400 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6401             Ian Lance Taylor  <iant@google.com>
6403         * descriptor.cc: Include <cstdio> and "binary-io.h".
6404         (Descriptors::open): Open the files in binary mode always.
6405         * script.cc (Lex::get_token): Treat \r as whitespace.
6407 2009-10-09  Ian Lance Taylor  <iant@google.com>
6409         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
6411 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6412             Ian Lance Taylor  <iant@google.com>
6414         * configure.ac: Check for readv function also.
6415         * fileread.cc (readv): Define if not HAVE_READV.
6416         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
6417         does not exist.
6418         * config.in: Regenerate.
6419         * configure: Regenerate.
6421 2009-10-09  Doug Kwan  <dougkwan@google.com>
6423         * layout.cc (Layout::make_output_section): Call target hook to make
6424         ordinary output section.
6425         (Layout::finalize): Adjust parameter list of call the
6426         Target::may_relax().
6427         * layout.h (class Layout::section_list): New method.
6428         * merge.h (Output_merge_base::entsize): Change visibility to public.
6429         (Output_merge_base::is_string, Output_merge_base::do_is_string):
6430         New methods.
6431         (Output_merge_string::do_is_string): New method.
6432         * object.cc (Sized_relobj::do_setup): renamed from
6433         Sized_relobj::set_up.
6434         * object.h (Sized_relobj::adjust_shndx,
6435         Sized_relobj::initializ_input_to_output_maps,
6436         Sized_relobj::free_input_to_output_maps): Change visibilities to
6437         protected.
6438         (Sized_relobj::setup): Virtualize.
6439         (Sized_relobj::do_setup): New method declaration.
6440         (Sized_relobj::invalidate_section_offset,
6441         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
6442         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
6443         * options.cc (parse_int): New function.
6444         * options.h (parse_int): New declaration.
6445         (DEFINE_int): New macro.
6446         (stub_group_size): New option.
6447         * output.cc (Output_section::Output_section): Initialize memebers
6448         merge_section_map_, merge_section_by_properties_map_,
6449         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
6450         (Output_section::add_input_section): Handled deferred code-fill
6451         generation and remove an old comment.
6452         (Output_section::add_relaxed_input_section): New method definition.
6453         (Output_section::add_merge_input_section): Use merge section by
6454         properties map to speed to search.  Update merge section maps
6455         as appropriate.
6456         (Output_section::build_relaxation_map): New method definition.
6457         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6458         Same.
6459         (Output_section::relax_input_section): Renamed to
6460         Output_section::convert_input_sections_to_relaxed_sections and change
6461         interface to take a vector of pointers to relaxed sections.
6462         (Output_section::find_merge_section,
6463         Output_section::find_relaxed_input_section): New method definitions.
6464         (Output_section::is_input_address_mapped,
6465         Output_section::output_offset, Output_section::output_address):
6466         Use output section data maps to speed up searching.
6467         (Output_section::find_starting_output_address): Add comments.
6468         (Output_section::do_write,
6469         Output_section::write_to_postprocessing_buffer): Do code-fill
6470         generation as appropriate.
6471         (Output_section::get_input_sections): Invalidate relaxed input section
6472         map.
6473         (Output_section::restore_states): Adjust type of checkpoint .
6474         Invalidate relaxed input section map.
6475         * output.h (Output_merge_base): New class declaration.
6476         (Input_section_specifier): New class defintion.
6477         (class Output_relaxed_input_section) Change base class to
6478         Output_section_data_build.
6479         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6480         base class initializer.
6481         (Output_section::add_relaxed_input_section): New method declaration.
6482         (Output_section::Input_section): Change visibility to protected.
6483         (Output_section::Input_section::relobj,
6484         Output_section::Input_section::shndx): Handle relaxed input sections.
6485         Output_section::input_sections) Change visibility to protected.  Also
6486         define overload to return a non-const pointer.
6487         (Output_section::Merge_section_properties): New class defintion.
6488         (Output_section::Merge_section_by_properties_map,
6489         Output_section::Output_section_data_by_input_section_map,
6490         Output_section::Relaxation_map): New types.
6491         (Output_section::relax_input_section): Rename method to
6492         Output_section::convert_input_sections_to_relaxed_sections and change
6493         interface to take a vector of relaxed section pointers.
6494         (Output_section::find_merge_section,
6495         Output_section::find_relaxed_input_section,
6496         Output_section::build_relaxation_map,
6497         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6498         New method declarations.
6499         (Output_section::merge_section_map_
6500         Output_section::merge_section_by_properties_map_,
6501         Output_section::relaxed_input_section_map_,
6502         Output_section::is_relaxed_input_section_map_valid_,
6503         Output_section::generate_code_fills_at_write_): New data members.
6504         * script-sections.cc
6505         (Output_section_element_input::set_section_addresses): Call
6506         current_data_size and addralign methods of relaxed input sections.
6507         (Orphan_output_section::set_section_addresses): Call current_data_size
6508         and addralign methods of relaxed input sections.
6509         * symtab.cc (Symbol_table::compute_final_value): Extract template
6510         from the body of Symbol_table::sized_finalize_symbol.
6511         (Symbol_table::sized_finalized_symbol): Call
6512         Symbol_table::compute_final_value.
6513         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6514         (Symbol_table::compute_final_value): New templated method declaration.
6515         * target.cc (Target::do_make_output_section): New method defintion.
6516         * target.h (Target::make_output_section): New method declaration.
6517         (Target::relax): Add more parameters for input objects, symbol table
6518         and layout.  Adjust call to do_relax.
6519         (Target::do_make_output_section): New method declaration.
6520         (Target::do_relax): Add parameters for input objects, symbol table
6521         and layout.
6523 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6525         * pread.c: Include stdio.h.
6527 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6529         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6530         defined.
6532 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6534         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6535         Change read_shndx type to unsigned int.
6536         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6537         int.
6538         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6539         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6540         Change read_shndx type to unsigned int.
6541         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6542         int.
6543         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6544         * layout.cc (Layout::create_symtab_sections): Cast the result of
6545         local_symcount * symsize to off_t in the gold_assert.
6547 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6549         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6550         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6551         R_ARM_BASE_ABS.
6552         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6553         (Arm_relocate_functions::thm_abs5): New function.
6554         (Arm_relocate_functions::abs12): New function.
6555         (Arm_relocate_functions::abs16): New function.
6556         (Arm_relocate_functions::base_abs): New function.
6557         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6558         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6559         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6560         R_ARM_BASE_ABS.
6561         (Scan::global): Likewise.
6562         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6563         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6564         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6565         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6566         R_ARM_BASE_ABS.
6568 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6570         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6571         (Arm_relocate_functions::movt_prel): New function.
6572         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6573         (Arm_relocate_functions::thm_movt_prel): New function.
6574         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6575         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6576         (Scan::global, Relocate::relocate): Likewise.
6577         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6579 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6581         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6582         Incremental_checker.
6583         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6584         unsigned int.
6585         (class Incremental_inputs_header): New class.
6586         (Incremental_inputs_header_writer): Edit comment.
6587         (Incremental_inputs_entry): New class.
6588         (Incremental_inputs_entry_writer): Edit comment.
6589         (Sized_incremental_binary::do_find_incremental_inputs_section):
6590         Add *strtab_shndx parameter, fill it.
6591         (Sized_incremental_binary::do_check_inputs): New method.
6592         (Incremental_checker::can_incrementally_link_output_file): Use
6593         Sized_incremental_binary::check_inputs.
6594         (Incremental_inputs::report_command_line): Save command line in
6595         command_line_.
6596         * incremental.h:
6597         (Incremental_binary::find_incremental_inputs_section): New
6598         method.
6599         (Incremental_binary::do_find_incremental_inputs_section): Add
6600         strtab_shndx parameter.
6601         (Incremental_binary::do_check_inputs): New pure virtual method.
6602         (Sized_incremental_binary::do_check_inputs): Declare.
6603         (Incremental_checker::Incremental_checker): Add incremental_inputs
6604         parameter, use it to initialize incremental_inputs_.
6605         (Incremental_checker::incremental_inputs_): New field.
6606         (Incremental_checker::command_line): New method.
6607         (Incremental_checker::inputs): New method.
6608         (Incremental_checker::command_line_): New field.
6610 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6612         * incremental.cc: Include <cstdarg> and "target-select.h".
6613         (vexplain_no_incremental): New function.
6614         (explain_no_incremental): New function.
6615         (Incremental_binary::error): New method.
6616         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6617         method.
6618         (make_sized_incremental_binary): New function.
6619         (open_incremental_binary): New function.
6620         (can_incrementally_link_file): Add checks if output is ELF and has
6621         inputs section.
6622         * incremental.h: Include "elfcpp_file.h" and "output.h".
6623         (Incremental_binary): New class.
6624         (Sized_incremental_binary): New class.
6625         (open_incremental_binary): Declare.
6626         * object.cc (is_elf_object): Use
6627         elfcpp::Elf_recognizer::is_elf_file.
6628         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6629         * output.h (Output_file::filesize): New method.
6631 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6633         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6634         New function.
6635         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6636         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6637         function.
6638         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6639         function.
6640         (Arm_relocate_functions::movw_abs_nc): New function.
6641         (Arm_relocate_functions::movt_abs): New function.
6642         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6643         (Arm_relocate_functions::thm_movt_abs): New function.
6644         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6645         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6646         (Scan::global): Likewise.
6647         (Relocate::relocate): Likewise.
6648         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6650 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6652         * arm.cc (Arm_relocate_functions::got_prel) New function.
6653         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6654         (Relocate::relocate): Likewise.
6655         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6657 2009-10-06  Ian Lance Taylor  <iant@google.com>
6659         * options.h (class General_options): Define
6660         split_stack_adjust_size parameter.
6661         * object.h (class Object): Add uses_split_stack_ and
6662         has_no_split_stack_ fields.  Add uses_split_stack and
6663         has_no_split_stack accessor functions.  Declare
6664         handle_split_stack_section.
6665         (class Reloc_symbol_changes): Define.
6666         (class Sized_relobj): Define Function_offsets.  Declare
6667         split_stack_adjust, split_stack_adjust_reltype, and
6668         find_functions.
6669         * object.cc (Object::handle_split_stack_section): New function.
6670         (Sized_relobj::do_layout): Call handle_split_stack_section.
6671         * dynobj.cc (Sized_dynobj::do_layout): Call
6672         handle_split_stack_section.
6673         * reloc.cc (Sized_relobj::relocate_sections): Call
6674         split_stack_adjust for executable sections in split_stack
6675         objects.  Pass reloc_map to relocate_section.
6676         (Sized_relobj::split_stack_adjust): New function.
6677         (Sized_relobj::split_stack_adjust_reltype): New function.
6678         (Sized_relobj::find_functions): New function.
6679         * target-reloc.h: Include "object.h".
6680         (relocate_section): Add reloc_symbol_changes parameter.  Change
6681         all callers.
6682         * target.h (class Target): Add calls_non_split method.  Declare
6683         do_calls_non_split virtual method.  Declare match_view and
6684         set_view_to_nop.
6685         * target.cc: Include "elfcpp.h".
6686         (Target::do_calls_non_split): New function.
6687         (Target::match_view): New function.
6688         (Target::set_view_to_nop): New function.
6689         * gold.cc (queue_middle_tasks): Give an error if mixing
6690         split-stack and non-split-stack objects with -r.
6691         * i386.cc (Target_i386::relocate_section): Add
6692         reloc_symbol_changes parameter.
6693         (Target_i386::do_calls_non_split): New function.
6694         * x86_64.cc (Target_x86_64::relocate_section): Add
6695         reloc_symbol_changes parameter.
6696         (Target_x86_64::do_calls_non_split): New function.
6697         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6698         parameter.
6699         * powerpc.cc (Target_powerpc::relocate_section): Add
6700         reloc_symbol_changes parameter.
6701         * sparc.cc (Target_sparc::relocate_section): Add
6702         reloc_symbol_changes parameter.
6703         * configure.ac: Call AM_CONDITIONAL for the default target.
6704         * configure: Rebuild.
6705         * testsuite/Makefile.am (TEST_AS): New variable.
6706         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6707         (check_DATA): Add split_i386 and split_x86_64 files.
6708         (SPLIT_DEFSYMS): Define.
6709         (split_i386_[1234n].o): New targets.
6710         (split_i386_[124]): New targets.
6711         (split_i386_[1234r].stdout): New targets.
6712         (split_x86_64_[1234n].o): New targets.
6713         (split_x86_64_[124]): New targets.
6714         (split_x86_64_[1234r].stdout): New targets.
6715         (MOSTLYCLEANFILES): Add new executables.
6716         * testsuite/split_i386.sh: New file.
6717         * testsuite/split_x86_64.sh: New file.
6718         * testsuite/split_i386_1.s: New file.
6719         * testsuite/split_i386_2.s: New file.
6720         * testsuite/split_i386_3.s: New file.
6721         * testsuite/split_i386_4.s: New file.
6722         * testsuite/split_i386_n.s: New file.
6723         * testsuite/split_x86_64_1.s: New file.
6724         * testsuite/split_x86_64_2.s: New file.
6725         * testsuite/split_x86_64_3.s: New file.
6726         * testsuite/split_x86_64_4.s: New file.
6727         * testsuite/split_x86_64_n.s: New file.
6728         * testsuite/testfile.cc (Target_test): Update relocation_section
6729         function.
6730         * testsuite/Makefile.in: Rebuild.
6732 2009-10-06  Ian Lance Taylor  <iant@google.com>
6734         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6735         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6736         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6737         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6738         the address on ldo_addrs_.
6739         (Target_i386::Relocate::fix_up_ldo): New function.
6741 2009-10-06   Rafael Espindola  <espindola@google.com>
6743         * plugin.cc (add_input_library): New.
6744         (Plugin::load): Add add_input_library to tv.
6745         (Plugin_manager::add_input_file): Add the is_lib argument.
6746         (add_input_file): Update call to Plugin_manager::add_input_file.
6747         (add_input_library): New.
6748         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6750 2009-09-30  Doug Kwan  <dougkwan@google.com>
6752         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6753         symbol and call Symbol::may_need_copy_reloc to determine if
6754         a copy reloc is needed.
6755         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6756         nocopyreloc is given in command line.
6757         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6758         given in command line.
6759         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6760         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6761         of the removed Target_i386::may_need_copy_reloc.
6762         * options.h (copyreloc): New option with default value false.
6763         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6764         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6765         instead of the removed Target_powerpc::may_need_copy_reloc.
6766         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6767         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6768         instead of the removed Target_sparc::may_need_copy_reloc.
6769         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6770         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6771         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6772         instead of the removed Target_x86_64::may_need_copy_reloc.
6774 2009-09-30  Ian Lance Taylor  <iant@google.com>
6776         * object.h (class Object): Remove target_ field, and target,
6777         sized_target, and set_target methods.
6778         (Object::sized_target): Remove.
6779         (class Sized_relobj): Update declarations.  Remove sized_target.
6780         * object.cc (Sized_relobj::setup): Remove target parameter.
6781         Change all callers.
6782         (Input_objects::add_object): Don't do anything with the target.
6783         (make_elf_sized_object): Add punconfigured parameter.  Change all
6784         callers.  Set or test parameter target.
6785         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6786         Change all callers.
6787         * parameters.cc (Parameters::set_target): Change parameter type to
6788         be non-const.
6789         (Parameters::default_target): Remove.
6790         (set_parameters_target): Change parameter type to be non-const.
6791         (parameters_force_valid_target): New function.
6792         (parameters_clear_target): New function.
6793         * parameters.h (class Parameters): Update declarations.  Remove
6794         default_target method.  Add sized_target and clear_target
6795         methods.  Change target_ to be non-const.
6796         (set_parameters_target): Update declaration.
6797         (parameters_force_valid_target): Declare.
6798         (parameters_clear_target): Declare.
6799         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
6800         as NULL if we aren't searching.
6801         (Add_symbols::run): Don't check for compatible target.
6802         * fileread.cc (Input_file::open_binary): Call
6803         parameters_force_valid_target.
6804         * gold.cc (queue_middle_tasks): Likewise.
6805         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
6806         set_target on object.
6807         * dynobj.h (class Sized_dynobj): Update declarations.
6808         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
6809         make_elf_object returns NULL.
6810         (Archive::include_member): Don't check whether object target is
6811         compatible.
6812         * output.cc (Output_section::add_input_section): Get target from
6813         parameters.
6814         (Output_section::relax_input_section): Likewise.
6815         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
6816         parameters.
6817         (Sized_relobj::do_scan_relocs): Likewise.
6818         (Sized_relobj::relocate_sections): Likewise.
6819         * resolve.cc (Symbol_table::resolve): Likewise.
6820         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
6821         parameter.  Change all callers.
6822         (Symbol_table::add_from_object): Get target from parameters.
6823         (Symbol_table::add_from_relobj): Don't check object target.
6824         (Symbol_table::add_from_dynobj): Likewise.
6825         (Symbol_table::define_special_symbol): Get target from
6826         parameters.
6827         * symtab.h (class Symbol_table): Update declaration.
6828         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
6829         parameter.  Change all callers.  Clear parameter target.
6830         (Binary_test): Test target here.
6831         * testsuite/object_unittest.cc (gold_testsuite): Remove
6832         target_test_pointer parameter.  Change all callers.
6833         (Object_test): Test target here.
6835 2009-09-26  Ian Lance Taylor  <iant@google.com>
6837         * testsuite/initpri1.c: Don't try to use constructor priorities if
6838         compiling with gcc before 4.3.
6840 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
6842         * testsuite/retain_symbols_file_test.sh (check_present): Change
6843         output file name to retain_symbols_file_test.stdout.
6844         (check_absent): Likewise.
6846 2009-09-18  Craig Silverstein  <csilvers@google.com>
6848         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
6849         * options.cc: Include <cerrno> and <fstream>.
6850         (General_options::finalize): Parse -retain-symbols-file tag.
6851         * options.h: New flag.
6852         (General_options): New method should_retain_symbol, new
6853         variable symbols_to_retain.
6854         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
6855         should_retain_symbol map.
6856         * testsuite/Makefile.am (retain_symbols_file_test): New test.
6857         * testsuite/Makefile.in: Regenerate.
6858         * testsuite/retain_symbols_file_test.sh: New file.
6860 2009-09-18  Nick Clifton  <nickc@redhat.com>
6862         * po/es.po: Updated Spanish translation.
6864 2009-09-17  Doug Kwan  <dougkwan@google.com>
6866         * debug.h (DEBUG_RELAXATION): New constant.
6867         (DEBUG_ALL): Add DEBUG_RELAXATION.
6868         (debug_string_to_enum): Add relaxation debug option.
6869         * layout.cc
6870         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
6871         Layout::Relaxation_debug_check::read_sections,
6872         Layout::Relaxation_debug_check::read_sections): New method definitions.
6873         (Layout::Layout): Initialize data members
6874         record_output_section_data_from_scrips_,
6875         script_output_section_data_list_ and relaxation_debug_check_.
6876         (Layout::save_segments, Layout::restore_segments,
6877         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6878         Layout::relaxation_loop_body): New method definitions.
6879         (Layout::finalize): Support relaxation.  Move section layout code to
6880         Layout::relaxation_loop_body.
6881         (Layout::set_asection_address_from_script): Move code for orphan
6882         section placement out.
6883         (Layout::place_orphan_sections_in_script): New method definition.
6884         * layout.h (Output_segment_headers, Output_file_header):
6885         New forward class declarations.
6886         (Layout::~Layout): Define.
6887         (Layout::new_output_section_data_from_script): New method definition.
6888         (Layout::place_orphan_sections_in_script): New method declaration.
6889         (Layout::Segment_states): New type declaration.
6890         (Layout::save_segments, Layout::restore_segments,
6891         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6892         Layout::relaxation_loop_body): New method declarations.
6893         (Layout::Output_section_data_list): New type declaration.
6894         (Layout::Relaxation_debug_check): New class definition.
6895         (Layout::record_output_section_data_from_script_,
6896         Layout::script_output_section_data_list_, Layout::segment_states_,
6897         Layout::relaxation_debug_check_): New data members.
6898         * output.cc: (Output_section_headers::do_size): New method definition.
6899         (Output_section_headers::Output_section_headers): Move size
6900         computation to Output_section_headers::do_size.
6901         (Output_segment_headers::do_size): New method definition.
6902         (Output_file_header::Output_file_header): Move size computation to
6903         Output_file_header::do_size and call it.
6904         (Output_file_header::do_size): New method definition.
6905         (Output_data_group::Output_data_group): Adjust call to
6906         Output_section_data.
6907         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
6908         (Output_symtab_xindex::do_write): Add array bound check.
6909         (Output_section::Input_section::print_to_mapfile): Handle
6910         RELAXED_INPUT_SECTION_CODE.
6911         (Output_section::Output_section): Initialize data member checkpoint_.
6912         (Output_section::~Output_section): Delete checkpoint object pointed
6913         by checkpoint_.
6914         (Output_section::add_input_section): Always add an Input_section if
6915         relaxing.
6916         (Output_section::add_merge_input_section): Add assert.
6917         (Output_section::relax_input_section): New method definition.
6918         (Output_section::set_final_data_size): Set load address to zero for
6919         an unallocated section.
6920         (Output_section::do_address_and_file_offset_have_reset_values):
6921         New method definition.
6922         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
6923         Handle relaxed input section.
6924         (Output_section::sort_attached_input_sections): Checkpoint input
6925         section list lazily.
6926         (Output_section::get_input_sections): Change type of input_sections to
6927         list of Simple_input_section pointers.  Checkpoint input section list
6928         lazily.  Also handle relaxed input sections.
6929         (Output_section::add_input_section_for_script): Take a reference to
6930         a Simple_input_section object instead of Relobj pointer and section
6931         index as parameter.  Handle relaxed input sections.
6932         (Output_section::save_states, Output_section::restore_states): New
6933         method definitions.
6934         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
6935         (Output_data::is_data_size_fixed): New method definition.
6936         (Output_data::reset_addresss_and_file_offset): Do not reset data size
6937         if it is fixed.
6938         (Output_data::address_and_file_offset_have_reset_values): New method
6939         definition.
6940         (Output_data::do_address_and_file_offset_have_reset_values): New method
6941         definition.
6942         (Output_data::set_data_size): Check that data size is not fixed.
6943         (Output_data::fix_data_size): New method definition.
6944         (Output_data::is_data_size_fixed_): New data member.
6945         (Output_section_headers::set_final_data_size): New method definition.
6946         (Output_section_headers::do_size): New method declaration.
6947         (Output_segment_headers::set_final_data_size): New method definition.
6948         (Output_segment_headers::do_size): New method declaration.
6949         (Output_file_header::set_final_data_size)::New method definition.
6950         (Output_file_header::do_size)::New method declaration.
6951         (Output_section_data::Output_section_data): Add new parameter
6952         is_data_size_fixed and use it to fix data size.
6953         (Output_data_const::Output_data_const): Adjust call to base class
6954         constructor and fix data size.
6955         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
6956         base class constructor and fix data size.
6957         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
6958         base class constructor and fix data size.
6959         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
6960         class constructor and fix data size.
6961         (Output_data_group::set_final_data_size): New method definition.
6962         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
6963         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
6964         class constructor and fix data size.
6965         (Output_relaxed_input_section): New class definition.
6966         (Output_section::Simple_input_section): New class definition.
6967         (Output_section::get_input_sections): Adjust parameter list.
6968         (Output_section::add_input_section_for_script): Same.
6969         (Output_section::save_states, Output_section::restore_states,
6970         Output_section::do_address_and_file_offset_have_reset_values,
6971         (Output_section::Input_section::Input_section): Handle
6972         RELAXED_INPUT_SECTION_CODE.  Add new overload for
6973         Output_relaxed_input_section.
6974         (Output_section::Input_section::is_input_section,
6975         Output_section::Input_section::set_output_section): Handle relaxed
6976         input section.
6977         (Output_section::Input_section::is_relaxed_input_section,
6978         Output_section::Input_section::output_section_data,
6979         Output_section::Input_section::relaxed_input_section): New method
6980         definitions.
6981         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
6982         value.
6983         (Output_section::Input_section::u1_): Update comments.
6984         (Output_section::Input_section::u2_): Add new union member poris.
6985         (Output_section::Checkpoint_output_section): New classs definition.
6986         (Output_section::relax_input_section): New method declaration.
6987         (Output_section::checkpoint_): New data member.
6988         (Output_segment): Update comments.
6989         (Output_segment::Output_segment): Un-privatize copy constructor.
6990         (Output_segment::operator=): Un-privatize.
6991         * script-sections.cc (Output_section_element::Input_section_list):
6992         Change element type to Output_section::Simple_input_section.
6993         (Output_section_element_dot_assignment::set_section_addresses):
6994         Register output section data for relaxation clean up.
6995         (Output_data_exression::Output_data_expression): Adjust call to base
6996         constructor to fix data size.
6997         (Output_section_element_data::set_section_addresses): Register
6998         Output_data_expression object for relaxation clean up.
6999         (struct Input_section_info): Replace Relobj pointer and section index
7000         pair with Output_section::Simple_input_section and Convert struct to a
7001         class.
7002         (Input_section_sorter::operator()): Adjust access to
7003         Input_section_info data member to use accessors.
7004         (Output_section_element_input::set_section_addresses): Use layout
7005         parameter.  Adjust code to use Output_section::Simple_input_section
7006         and Input_secction_info classes.  Register filler for relaxation
7007         clean up.
7008         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7009         and section index pair with Output_section::Simple_input_section
7010         class.  Adjust code accordingly.
7011         (Phdrs_element::release_segment): New method definition.
7012         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7013         segment list.
7014         (Script_sections::release_segments): New method definition.
7015         * gold/script-sections.h (Script_sections::release_segments): New
7016         method declaration.
7017         * gold/target.h (Target::may_relax, Target::relax,
7018         Target::do_may_relax, Target::do_relax): New method definitions.
7020 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7022         * arm.cc (has_signed_unsigned_overflow): New function.
7023         (Arm_relocate_functions::abs8): New function.
7024         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7025         (Target_arm::Scan::global): Likewise.
7026         (Target_arm::relocate::relocate): Likewise.
7027         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7028         Likewise.
7030 2009-09-16  Cary Coutant  <ccoutant@google.com>
7032         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7033         * testsuite/Makefile.in: Regenerate.
7035 2009-09-11  Nick Clifton  <nickc@redhat.com>
7037         * po/gold.pot: Updated by the Translation project.
7039 2009-09-08  Cary Coutant  <ccoutant@google.com>
7041         * output.cc (Output_file::open): Add execute permission to empty file.
7042         * testsuite/Makefile.am (permission_test): New test.
7043         * testsuite/Makefile.in: Regenerate.
7045 2009-09-02  Ian Lance Taylor  <iant@google.com>
7047         * output.cc (Output_file::resize): Call map_no_anonymous rather
7048         than map.
7050 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7052         * gold.cc: Include "incremental.h".
7053         (queue_initial_tasks): Call Incremental_checker methods.
7054         * incremental.cc: Include "output.h".
7055         (Incremental_checker::can_incrementally_link_output_file): New
7056         method.
7057         * incremental.h (Incremental_checker): New class.
7059         * output.cc (Output_file::open_for_modification): New method.
7060         (Output_file::map_anonymous): Changed return type to bool.  Record
7061         map in base_ field.
7062         (Output_file::map_no_anonymous): New method, broken out of map.
7063         (Output_file::map): Use map_no_anonymous and map_anonymous.
7064         * output.h (class Output_file): Update declarations.
7066 2009-08-24  Cary Coutant  <ccoutant@google.com>
7068         * options.h (Command_line::Pre_options): New class.
7069         (Command_line::pre_options): New member.
7070         * options.cc (gold::options::ready_to_register): New variable.
7071         (One_option::register_option): Do nothing if not registering options.
7072         Assert if same short option registered twice.
7073         (General_options::General_options): Turn off option registration when
7074         done constructing.
7075         (Command_line::Pre_options::Pre_options): New constructor.
7077 2009-08-24  Cary Coutant  <ccoutant@google.com>
7079         * options.h (General_options::no_keep_memory): Remove incorrect
7080         short option.
7082 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7084         * Makefile.am (am__skiplex, am__skipyacc): New.
7085         * Makefile.in: Regenerate.
7087 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7089         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7090         (INCLUDES): ... this.
7091         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7092         (AM_CPPFLAGS): Renamed from ...
7093         (INCLUDE): ... this.
7094         * Makefile.in, testsuite/Makefile.in: Regenerate.
7096         * Makefile.in: Regenerate.
7097         * aclocal.m4: Likewise.
7098         * config.in: Likewise.
7099         * configure: Likewise.
7100         * testsuite/Makefile.in: Likewise.
7102         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7103         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7104         * Makefile.in: Regenerate.
7105         * testsuite/Makefile.in: Regenerate.
7107 2009-08-19  Cary Coutant  <ccoutant@google.com>
7109         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7110         symbols in shared libraries overridden by hidden or internal symbols
7111         in the main program.
7113 2009-08-19  Chris Demetriou  <cgd@google.com>
7115         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7116         checking source file names in error messages.
7118 2009-08-18  Doug Kwan  <dougkwan@google.com>
7120         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7121         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7122         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7123         an elfcpp::Ehdr as parameter.
7124         * object.cc (Object::set_target): Remove the version that looks up
7125         a target and sets it.
7126         (Sized_relobj::setup): Take a Target object instead of
7127         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7128         (make_elf_sized_object): Find target and ask target to
7129         make an ELF object.
7130         * object.h: (Object::set_target): Remove the version that looks up
7131         a target and sets it.
7132         (Sized_relobj::setup): Take a Target object instead of
7133         an elfcpp:Ehdr as parameter.
7134         * target.cc: Include dynobj.h.
7135         (Target::do_make_elf_object_implementation): New.
7136         (Target::do_make_elf_object): New.
7137         * target.h (Target::make_elf_object): New template declaration.
7138         (Target::do_make_elf_object): New method declarations.
7139         (Target::do_make_elf_object_implementation): New template declaration.
7141 2009-08-14  Ian Lance Taylor  <iant@google.com>
7143         * gold.h (FUNCTION_NAME): Define.
7144         (gold_unreachable): Use FUNCTION_NAME.
7146 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7148         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7149         symbol in the --keep-unique list is not found.
7151 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7153         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7154         been maked as --keep-unique.
7155         (Icf::unfold_section): New function.
7156         * icf.h (Icf::unfold_section): New function.
7157         * options.h (General_options::keep_unique): New option.
7158         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7159         * testsuite/Makefile.in: Regenerate.
7160         * testsuite/icf_keep_unique_test.sh: New file.
7161         * testsuite/icf_keep_unique_test.cc: New file.
7163 2009-08-12  Cary Coutant  <ccoutant@google.com>
7165         PR 10471
7166         * resolve.cc (Symbol_table::resolve): Check for references from
7167         dynamic objects to hidden and internal symbols.
7168         * testsuite/Makefile.am (hidden_test.sh): New test.
7169         * testsuite/Makefile.in: Regenerate.
7170         * testsuite/hidden_test.sh: New script.
7171         * testsuite/hidden_test_1.c: New test source.
7172         * testsuite/hidden_test_main.c: New test source.
7174 2009-08-11  Doug Kwan  <dougkwan@google.com>
7176         * arm.cc: Update comments.
7177         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7178         segment to locate the .ARM.exidx section if present.
7180 2009-08-09  Doug Kwan  <dougkwan@google.com>
7182         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7183         patch.
7185 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7186         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7187         compiler warnings.
7189 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7191         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7192         valid tls_segment only for non-debug-section relocations.
7193         * testsuite/Makefile.am: Add gc_tls_test.
7194         * testsuite/Makefile.in: Regenerate.
7195         * testsuite/gc_tls_test.cc: New file.
7196         * testsuite/gc_tls_test.sh: New file.
7198 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7200         * icf.cc: New file.
7201         * icf.h: New file.
7202         * Makefile.am (CCFILES): Add icf.cc.
7203         (HFILES): Add icf.h
7204         * Makefile.in: Regenerate.
7205         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7206         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7207         section, symbol and addend information for the relocs.
7208         * gold.cc (queue_middle_tasks): Call identical code folding.
7209         * gold.h: Add defines for multimap.
7210         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7211         to the call of finalize_local_symbols.
7212         * main.cc (main): Create object of class Icf.
7213         * object.cc (Sized_relobj::do_layout): Allow this function to be
7214         called twice during icf.
7215         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7216         to sections marked as identical by icf.
7217         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7218         when available.
7219         (Sized_relobj::do_section_entsize): New function.
7220         * object.h (Object::section_entsize): New function.
7221         (Object::do_section_entsize): New pure virtual function.
7222         (Relobj::finalize_local_symbols): Add new parameter.
7223         (Relobj::do_section_entsize): New function.
7224         * options.h (General_options::icf): New option.
7225         (General_options::icf_iterations): New option.
7226         (General_options::print_icf_sections): New option.
7227         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7228         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7229         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7230         icf.
7231         * symtab.cc (Symbol_table::is_section_folded): New function.
7232         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7233         to sections marked as identical by icf.
7234         * symtab.h (Symbol_table::set_icf): New function.
7235         (Symbol_table::icf): New function.
7236         (Symbol_table::is_section_folded): New function.
7237         (Symbol_table::icf_): New data member.
7238         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7239         * testsuite/Makefile.am: Add commands to build icf_test.
7240         * testsuite/Makefile.in: Regenerate.
7241         * testsuite/icf_test.sh: New file.
7242         * testsuite/icf_test.cc: New file.
7244 2009-07-24  Chris Demetriou  <cgd@google.com>
7246         * layout.cc (is_compressible_debug_section): Fix incorrect
7247         comment about compressed section names.
7249 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7251         PR 10419
7252         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7254 2009-07-16  Ian Lance Taylor  <iant@google.com>
7256         PR 10400
7257         * layout.h: #include <map>.
7258         (class Kept_section): Change from struct to class.  Add accessors
7259         and setters.  Add section size to Comdat_group mapping.  Change
7260         Comdat_group to std::map.  Add is_comdat_ field.  Add
7261         linkonce_size field in union.
7262         (class Layout): Update declaration of find_or_add_kept_section.
7263         Don't declare find_kept_object.
7264         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7265         parameter.  Add object, shndx, is_comdat, and is_group_name
7266         parameters.  Change all callers.  Adjust for new Kept_section.
7267         (Layout::find_kept_object): Remove.
7268         * object.cc (Sized_relobj::include_section_group): Update use of
7269         Kept_section.  Rename secnum to shndx.  Only record
7270         Kept_comdat_section if sections are the same size.
7271         (Sized_relobj::include_linkonce_section): Update use of
7272         Kept_section.  Only record Kept_comdat_section if sections are the
7273         same size.  Set size of linkonce section.
7274         (Sized_relobj::map_to_kept_section): Update call to
7275         get_kept_comdat_section.
7276         * object.h (class Sized_relobj): Rename fields in
7277         Kept_comdat_section to drop trailing underscores; change object
7278         field to Relobj*.  Change Kept_comdat_section_table to store
7279         struct rather than pointer.
7280         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7281         Add kept_object and kept_shndx parameters.  Change all callers.
7282         (Sized_relobj::get_kept_comdat_section): Change return type to
7283         bool.  Add kept_object and kept_shndx parameters.  Change all
7284         callers.
7285         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7286         Layout::find_or_add_kept_section.
7288 2009-07-09  Ian Lance Taylor  <iant@google.com>
7290         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7291         Reserve space in the hash table.
7293 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7295         * fileread.cc (File_read::get_mtime): New method.
7296         * fileread.h (Timespec): New structure.
7297         (File_read::get_mtime): New method.
7298         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7299         Renamed from timestamp_nsec.
7300         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7301         Elf_Xword.
7302         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7303         timestamp_nsec.
7304         (Incremental_inputs::report_archive): Save mtime; style fix.
7305         (Incremental_inputs::report_obejct): Save mtime; style fix.
7306         (Incremental_inputs::report_script): Save mtime; style fix.
7307         (Incremental_inputs::finalize_inputs): Style fix.
7308         (Incremental_inputs::finalize): Style fix.
7309         (Incremental_inputs::create_input_section_data): Store inputs
7310         mtime.
7311         * incremental.h (Incremental_inputs::report_script): Add mtime
7312         argument.
7313         (Incremental_inputs::Input_info::Input_info): Intialize only one
7314         union member.
7315         (Incremental_inputs::Input_info::archive): Move to nameless
7316         union.
7317         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7318         (Incremental_inputs::Input_info::script): Move to nameless union.
7319         (Incremental_inputs::mtime): New field.
7320         * script.cc (read_input_script): Pass file mtime to
7321         Incremental_input.
7322         * script.h (Script_info::inputs): Style fix.
7324 2009-07-01  Ian Lance Taylor  <ian@airs.com>
7326         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
7327         instead of 32.
7329 2009-06-24  Ian Lance Taylor  <iant@google.com>
7331         PR 10156
7332         * layout.cc (Layout::choose_output_section): If we find an
7333         existing section, update the flags.
7334         (Layout::create_notes): New function, broken out of
7335         Layout::finalize.
7336         (Layout::finalize): Don't create note sections.
7337         (Layout::create_note): Don't crash if linker script discards
7338         section.
7339         (Layout::create_gold_note): Likewise.
7340         (Layout::create_build_id): Likewise.  Don't set
7341         after_input_sections on the section.
7342         (Layout::create_executable_stack_info): Remove target parameter.
7343         Change caller.
7344         * layout.h (class Layout): Declare create_notes.  Update
7345         declaration of create_executable_stack_info.
7346         * gold.cc (queue_middle_tasks): Call create_notes.
7347         * output.cc (Output_section::update_flags_for_input_section): Move
7348         here from output.h.  If SHF_ALLOC flag is newly set, mark address
7349         invalid.
7350         * output.h (Output_data::mark_address_invalid): New function.
7351         (class Output_section): Only declare, not define,
7352         update_flags_for_input_section.  Remove set_flags.
7354 2009-06-24  Ian Lance Taylor  <iant@google.com>
7356         * script-sections.cc (Output_section_definition::
7357         set_section_addresses): Rename shadowing local load_address to
7358         laddr.
7360 2009-06-24  Ian Lance Taylor  <iant@google.com>
7362         PR 10244
7363         * reloc.cc (relocate_sections): Skip empty relocation sections.
7365 2009-06-23  Ian Lance Taylor  <iant@google.com>
7367         PR 10156
7368         * layout.cc (Layout::create_note): Use choose_output_section
7369         rather than make_output_section.
7371 2009-06-23  Ian Lance Taylor  <iant@google.com>
7373         PR 10237
7374         * options.cc (General_options::parse_V): Set printed_version_.
7375         (General_options::General_options): Initialize printed_version_.
7376         * options.h (class General_options): Add printed_version_ field.
7377         * gold.cc (queue_initial_tasks): If there are no input files,
7378         don't give a fatal error if we printed the version information.
7379         (queue_middle_tasks): If using -r with a shared object, give a
7380         fatal error rather than an ordinary error.
7382 2009-06-23  Ian Lance Taylor  <iant@google.com>
7384         PR 10219
7385         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
7386         (Layout::make_output_section): Set have_stabstr_section_ if we see
7387         a .stab*str section.
7388         (Layout::finalize): Call link_stabs_sections.
7389         (Layout::link_stabs_sections): New file.
7390         * layout.h (class Layout): Add have_stabstr_section_ field.
7391         Declare link_stabs_sections.
7393 2009-06-23  Doug Kwan  <dougkwan@google.com>
7395         * Makefile.am (libgold_a_LIBADD): New.
7396         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
7397         * Makefile.in: Regenerate.
7398         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
7399         * configure: Regenerate.
7400         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
7401         * fileread.cc: Include sys/state.h
7402         * gold.h: Declare memmem and strndup if found missing.
7403         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
7405 2009-06-23  Ian Lance Taylor  <iant@google.com>
7407         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
7408         * configure: Rebuild.
7410 2009-06-23  Ian Lance Taylor  <iant@google.com>
7412         PR 10147
7413         * object.cc (Object::section_contents): Don't try to get a view if
7414         the section has length zero.
7415         (Object::handle_gnu_warning_section): If the section is empty, use
7416         the name of the section as the warning.
7418 2009-06-23  Ian Lance Taylor  <iant@google.com>
7420         PR 10133
7421         * stringpool.h (class Stringpool_template): Add optimize_ field.
7422         (Stringpool_template::set_optimize): New function.
7423         * stringpool.cc (Stringpool_template::Stringpool_template):
7424         Initialize optimize_ field.
7425         (Stringpool_template::set_string_offsets): Test local optimize
7426         fild rather than parameter.
7427         * layout.cc (Layout::Layout): Call set_optimize on the section
7428         name stringpool.
7430 2009-06-22  Ian Lance Taylor  <iant@google.com>
7432         PR 10030
7433         * yyscript.y: Parse TARGET.
7434         * script.cc (script_set_target): New function.
7435         * script-c.h (script_set_target): Declare.
7436         * options.cc (General_options::string_to_object_format): Rename
7437         from string_to_object_format in anonymous namespace.  Change
7438         callers.
7439         * options.h (class General_options): Declare
7440         string_to_object_format.
7442 2009-06-22  Ian Lance Taylor  <iant@google.com>
7444         * script-sections.cc (Script_sections::create_segments): Don't put
7445         program headers in a PT_LOAD segment if -n or -N.
7447 2009-06-22  Ian Lance Taylor  <iant@google.com>
7449         PR 10141
7450         * options.h (class General_options): Add -z lazy and -z now.  Sort
7451         -z options into alphabetical order.
7452         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
7454 2009-06-21  Ian Lance Taylor  <iant@google.com>
7456         * layout.cc (Layout::make_output_section): Call
7457         Target::new_output_section.
7458         (Layout::attach_allocated_section_to_segment): Put large section
7459         sections in a separate load segment with the large segment flag
7460         set.
7461         (Layout::segment_precedes): Sort large data segments after other
7462         load segments.
7463         (align_file_offset): New static function.
7464         (Layout::set_segment_offsets): Use align_file_offset.
7465         * output.h (class Output_section): Add is_small_section_ and
7466         is_large_section_ fields.
7467         (Output_section::is_small_section): New function.
7468         (Output_section::set_is_small_section):  New function.
7469         (Output_section::is_large_section): New function.
7470         (Output_section::set_is_large_section): New function.
7471         (Output_section::is_large_data_section): New function.
7472         (class Output_segment): Add is_large_data_segment_ field.
7473         (Output_segment::is_large_data_segment): New function.
7474         (Output_segment::set_is_large_data_segment): New function.
7475         * output.cc (Output_section::Output_section): Initialize new
7476         fields.
7477         (Output_segment::Output_segment): Likewise.
7478         (Output_segment::add_output_section): Add assertion that large
7479         data sections always go in large data segments.  Force small data
7480         sections to the end of the list of data sections.  Force small BSS
7481         sections to the start of the list of BSS sections.  For large BSS
7482         sections to the end of the list of BSS sections.
7483         * symtab.h (class Symbol): Declare is_common_shndx.
7484         (Symbol::is_defined): Check Symbol::is_common_shndx.
7485         (Symbol::is_common): Likewise.
7486         (class Symbol_table): Define enum Commons_section_type.  Update
7487         declarations.  Add small_commons_ and large_commons_ fields.
7488         * symtab.cc (Symbol::is_common_shndx): New function.
7489         (Symbol_table::Symbol_table): Initialize new fields.
7490         (Symbol_table::add_from_object): Put small and large common
7491         symbols in the right list.
7492         (Symbol_table::sized_finalized_symbol): Check
7493         Symbol::is_common_shndx.
7494         (Symbol_table::sized_write_globals): Likewise.
7495         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7496         common symbol lists.  Don't call do_allocate_commons_list if the
7497         list is empty.
7498         (Symbol_table::do_allocate_commons_list): Remove is_tls
7499         parameter.  Add comons_section_type parameter.  Change all
7500         callers.  Handle small and large common symbols.
7501         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7502         Symbol::is_common_shndx.
7503         * resolve.cc (symbol_to_bits): Likewise.
7504         * target.h (Target::small_common_shndx): New function.
7505         (Target::small_common_section_flags): New function.
7506         (Target::large_common_shndx): New function.
7507         (Target::large_common_section_flags): New function.
7508         (Target::new_output_section): New function.
7509         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7510         small_common_section_flags, and large_common_section_flags
7511         fields.
7512         (Target::do_new_output_section): New virtual function.
7513         * arm.cc (Target_arm::arm_info): Initialize new fields.
7514         * i386.cc (Target_i386::i386_info): Likewise.
7515         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7516         Likewise.
7517         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7518         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7519         (Target_x86_64::do_new_output_section): New function.
7520         * configure.ac: Define conditional MCMODEL_MEDIUM.
7521         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7522         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7523         (large_LDFLAGS): Define.
7524         * testsuite/large.c: New file.
7525         * testsuite/testfile.cc (Target_test::test_target_info):
7526         Initialize new fields.
7527         * configure, testsuite/Makefile.in: Rebuild.
7529 2009-06-05  Doug Kwan  <dougkwan@google.com>
7531         * Makefile.am (CCFILES): Add target.cc.
7532         * Makefile.in: Regenerate.
7533         * i386.cc (class Target_i386): Define new virtual method to
7534         override do_is_local_label_name in parent.
7535         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7536         local symbols if --discard-locals or -X is given.
7537         * options.h (class General_options): Declare new options
7538         '--discard-locals' and '-X' for discarding locals.
7539         * target.h (class Target): Define new methods is_local_label_name.
7540         Declare new virtual method do_is_local_label_name.
7541         * target.cc: New file.
7542         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7543         (check_SCRIPTS): Add discard_locals_test.sh.
7544         (check_DATA): Add discard_local_tests.syms.
7545         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7546         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7547         * testsuite/Makefile.in: Regenerate.
7548         * testsuite/discard_locals_test.c: New file.
7549         * testsuite/discard_locals_test.sh: Same.
7551 2009-06-05  Doug Kwan  <dougkwan@google.com>
7553         * object.cc (Sized_relobj::Sized_relobj): Initialize
7554         discarded_eh_frame_shndx_ to -1U.
7555         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7556         section.
7557         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7558         a discarded .eh_frame section.
7559         (Sized_relobj::do_finalize_local_symbols): Ditto.
7560         * object.h (class Sized_relobj): Declare new member
7561         discarded_eh_frame_shndx_.
7562         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7563         (local_labels_test.o, local_labels_test): New rules.
7564         * testsuite/Makefile.in: Regenerate.
7566 2009-06-04  Doug Kwan  <dougkwan@google.com>
7568         * layout.cc (Layout::section_name_mapping): Add mapping for
7569         special ARM sections.
7571 2009-06-03  Doug Kwan  <dougkwan@google.com>
7573         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7574         (utils::has_overflow): Same.
7576 2009-06-03  Ian Lance Taylor  <iant@google.com>
7578         * layout.cc (Layout::section_name_mapping): New array, replacing
7579         Layout::linkonce_mapping.
7580         (Layout::section_name_mapping_count): New variable, replacing
7581         Layout::linkonce_mapping_count.
7582         (Layout::linkonce_output_name): Remove.
7583         (Layout::output_section_name): Rewrite.
7584         * layout.h (class Layout): Rename Linkonce_mapping to
7585         Section_name_mapping, linkonce_mapping to section_name_mapping,
7586         linkonce_mapping_count to section_name_mapping_count.  Don't
7587         declare linkonce_output_name.
7589 2009-06-03  Doug Kwan  <dougkwan@google.com>
7591         * gold/arm.cc (namespace utils): New.
7592         (Target_arm::reloc_is_non_pic): Define new method.
7593         (class Arm_relocate_functions): New.
7594         (Target_arm::Relocate::relocate): Handle relocation types used by
7595         Android.
7597 2009-06-03  Ian Lance Taylor  <iant@google.com>
7599         * arm.cc (Target_arm::scan::global): Use || instead of |.
7601 2009-06-02  Doug Kwan  <dougkwan@google.com>
7603         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7604         issued_non_pic_error_.
7605         (class Target_arm::Scan): Declare new method check_non_pic.
7606         Define new method symbol_needs_plt_entry.
7607         Declare new data member issued_non_pic_error_.
7608         (class Target_arm::Relocate): Declare new method
7609         should_apply_static_reloc.
7610         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7611         (Target_arm::Scan::check_non_pic): Define new method.
7612         (Target_arm::Scan::local): Handle a small subset of reloc types used
7613         by Android.
7614         (Target_arm::Scan::local): Same.
7615         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7617 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7619         * incremental.cc (Incremental_inputs::report_command_line): Filter
7620         out --incremental-* options.
7622 2009-05-29  Doug Kwan  <dougkwan@google.com>
7624         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7625         template class.
7626         (class Target_arm): Update comment.
7627         (Target_arm::Target_arm): Initialize new data members GOT_,
7628         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7629         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7630         and Target_arm::rel_dyn_section.
7631         Declare new_enum Target_arm::Got_type.
7632         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7633         and DYNBSS_.
7634         Update commments for member do_dynsym_value.
7635         (Target_arm::got_size, Target_arm::plt_section,
7636         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7637         new methods inside class defintion.
7638         (Target_arm::got_section): Define new method.
7639         (Target_arm::rel_dyn_section): Same.
7640         (Output_data_plt_arm): New template class.
7641         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7642         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7643         (Output_data_plt_arm::add_entry): Same.
7644         (Output_data_plt_arm::first_plt_entry): Define new
7645         static data member for PLT instruction template.
7646         (Output_data_plt_arm::plt_entry): Same.
7647         (Output_data_plt_arm::do_write): Define new method.
7648         (Target_arm::make_plt_entry): Same.
7649         (Target_arm::do_finalize_sections): Same.
7650         (Target_arm::do_dynsym_value): Same.
7652 2009-05-28  Doug Kwan  <dougkwan@google.com>
7654         * Makefile.am (TARGETSOURCES): Add arm.cc.
7655         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7656         * Makefile.in: Regenerate.
7657         * arm.cc: New file.
7658         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7660 2009-05-26  Doug Kwan  <dougkwan@google.com>
7662         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7663         (General_options::check_excluded_libs): Strip off directories in
7664         archive name before matching like GNU ld does.
7665         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7666         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7667         (exclude_libs_test_LDFLAGS): Add linker option
7668         -Wl,--exclude-libs,libexclude_libs_test_3
7669         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7670         an explicit archive without using -l.
7671         (alt/libexclude_libs_test_3.a): New make rule.
7672         * testsuite/Makefile.in: Regenerate.
7673         * testsuite/exclude_libs_test.c : Declare lib3_default().
7674         (main): Call it.
7675         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7676         * exclude_libs_test_3.c: New file.
7678 2009-05-26  Nick Clifton  <nickc@redhat.com>
7680         * po/id.po: New Indonesian translation.
7681         * po/gold.pot: Updated template file.
7683 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7685         * testsuite/Makefile.am: Add -ffunction-sections to compile
7686         gc_comdat_test files.  Add -Wl,--gc-sections to build
7687         gc_comdat_test.
7688         * testsuite/Makefile.in: Regenerate.
7689         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7691 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7693         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7694         kept comdat section was garbage collected.
7695         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7696         * testsuite/Makefile.in: Regenerate.
7697         * testsuite/gc_comdat_test.sh: New file.
7698         * testsuite/gc_comdat_test_1.cc: New file.
7699         * testsuite/gc_comdat_test_2.cc: New file.
7701 2009-05-19  Doug Kwan  <dougkwan@google.com>
7703         * archive.cc (Archive::Archive): Move constructor from archive.h
7704         to here.  Initialize no_export_.
7705         (Archive::get_elf_object_for_member): Set no_export flag of object.
7706         * archive.h (Archive::Archive): Move constructor body to
7707         archive.cc.
7708         (Archive::no_export): New method.
7709         (Archive::no_export_): New field.
7710         * object.h (Object::Object): Initialize no_export_ to false.
7711         (Object::no_export, Object::set_no_export): New methods.
7712         (Object::no_export_): New field.
7713         * options.cc (General_options::parse_exclude_libs): New method.
7714         (General_options::check_excluded_libs) Same.
7715         * options.h (exclude_libs): New option.
7716         (General_options::check_excluded_libs): New method declaration.
7717         (General_options::excluded_libs_): New field.
7718         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7719         default or protected visibility if an object has no-export flag set.
7720         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7721         (check_SCRIPTS): Add exclude_libs_test.sh.
7722         (check_DATA): Add exclude_libs_test.syms.
7723         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7724         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7725         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7726         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7727         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7728         libexclude_libs_test_2.a): New rules.
7729         * testsuite/Makefile.in: Regenerate.
7730         * testsuite/exclude_libs_test.c: New file.
7731         * testsuite/exclude_libs_test.sh: Ditto.
7732         * testsuite/exclude_libs_test_1.c: Ditto.
7733         * testsuite/exclude_libs_test_2.c: Ditto.
7735 2009-05-15  Ian Lance Taylor  <iant@google.com>
7737         * configure.ac: Check for declarations for cases where libiberty.h
7738         checks HAVE_DECL_xxx.
7739         * configure, config.in: Rebuild.
7741 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7743         * gold.h (Incremental_argument_list): Remove (invalid) forward
7744         declaration.
7745         * incremental.cc (Incremental_inputs::report_achive): New method.
7746         (Incremental_inputs::report_object): New method.
7747         (Incremental_inputs::report_script): New method.
7748         (Incremental_inputs::finalize_inputs): New method.
7749         (Incremental_inputs::finalize): Call finalize_inputs().
7750         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7751         Create inputs entries.
7752         * incremental.h (Incremental_input_type): New enum.
7753         (Incremental_inputs::Incremental_input): Initialize new fields.
7754         (Incremental_inputs::report_inputs): New method.
7755         (Incremental_inputs::report_achive): New method.
7756         (Incremental_inputs::report_object): New method.
7757         (Incremental_inputs::report_script): New method.
7758         (Incremental_inputs::finalize_inputs): New method.
7759         (Incremental_inputs::Input_info): New struct.
7760         (Incremental_inputs::Input_info_map): New typedef.
7761         (Incremental_inputs::lock_): New field.
7762         (Incremental_inputs::Inputs_): New field.
7763         (Incremental_inputs::Inputs_map): New field.
7764         * main.cc (main): Call Incremental_input::report_inputs.
7765         * options.h (Input_argument_list): Typedef moved from
7766         Input_arguments.
7767         (Input_file_group::Files): Remove, use ::Input_argument_list.
7768         (Input_file_group::Input_argument_list): Remove, use
7769         ::Input_argument_list.
7770         * plugin.cc (Plugin_manager::add_input_file): Add error in
7771         incremental build.
7772         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7773         functions.
7774         * script.cc (read_input_script): Call
7775         Incremental_input::report_script.
7776         * script.h (Script_info): New class.
7778 2009-04-27  Ian Lance Taylor  <iant@google.com>
7780         * x86_64.cc (do_adjust_output_section): Set entsize to
7781         plt_entry_size.
7783 2009-04-23  Elliott Hughes  <enh@google.com>
7785         * output.cc (Output_file::close): After short writes, continue
7786         writing from the correct offset in the buffer being written.
7788 2009-04-23  Chris Demetriou  <cgd@google.com>
7790         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
7791         * configure: Regenerate.
7792         * config.in: Regenerate.
7793         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
7794         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
7796 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
7798         * incremental.cc (Incremental_inputs_header_data): Renamed from
7799         Incremental_input_header_data.
7800         (Incremental_inputs_header_data::data_size): New field.
7801         (Incremental_inputs_header_data::put_input_file_count): Renamed
7802         from input_file_count.
7803         (Incremental_inputs_header_data::put_command_line_offset): Renamed
7804         from command_line_offset.
7805         (Incremental_inputs_header_data::put_reserved): Renamed from
7806         put_reserved.
7807         (Incremental_inputs_entry_data): Renamed from
7808         Incremental_input_entry_data.
7809         (Incremental_inputs_entry_data::data_size): New field.
7810         (Incremental_inputs::report_command_line): New method.
7811         (Incremental_inputs::finalize): New method.
7812         (Incremental_inputs::create_incremental_inputs_data): New method.
7813         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
7814         * incremental.h: New file.
7815         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
7816        (Layout::finalize): Create incremental inputs section in
7817         incremental builds.
7818        (Layout::create_incremental_info_sections): New method.
7819         * layout.h (Layout::incremental_inputs): New method.
7820        (Layout::create_incremental_info_sections): New method.
7821        (Layout::incremental_inputs_): New field.
7822         * main.cc (main): Notify Incremental_input of the command line.
7824 2009-04-01  Ian Lance Taylor  <iant@google.com>
7825             Mikolaj Zalewski  <mikolajz@google.com>
7827         * gold.h (reserve_unordered_map): Define, three versions, one for
7828         each version of Unordered_map.
7829         * layout.cc (Layout::Layout): Remove options parameter.  Add
7830         number_of_input_files parameter.  Don't initialize options_.
7831         Initialize number_of_input_files_ and resized_signatures_.  Move
7832         sections_are_attached_.
7833         (Layout::layout_group): Reserve space for group_signatures_.
7834         (Layout::find_or_add_kept_section): Change name parameter to be a
7835         reference.  Resize signatures_ map when it gets large enough.
7836         (Layout::layout_eh_frame): Use parameters->options() instead of
7837         this->options_.
7838         (Layout::make_output_section): Likewise.
7839         (Layout::attach_allocated_section_to_segment): Likewise.
7840         (Layout::finalize, Layout::create_executable_stack): Likewise.
7841         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
7842         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
7843         * layout.h (class Layout): Update declarations.  Remove options_
7844         field.  Add number_of_input_files_ and resized_signatures_
7845         fields.  Move sections_are_attached_ field.
7846         * main.cc (main): Pass number of input files to Layout
7847         constructor.  Don't pass options.
7849 2009-03-30  Ian Lance Taylor  <iant@google.com>
7851         * ffsll.c (ffsll): Correct implementation.
7853 2009-03-27  Ian Lance Taylor  <iant@google.com>
7855         * ffsll.c: New file.
7856         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
7857         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
7858         * ftruncate.c (ftruncate): Declare before definition.
7859         * mremap.c (mremap): Likewise.
7860         * pread.c (pread): Likewise.
7861         * configure, Makefile.in, config.in: Rebuild.
7863         * mremap.c: New file.
7864         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
7865         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
7866         (mremap): Declare if HAVE_MREMAP is not defined.
7867         * configure, Makefile.in, config.in: Rebuild.
7869 2009-03-27  Cary Coutant  <ccoutant@google.com>
7871         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
7872         position independent.
7873         * sparc.cc (Target_sparc::check_non_pic): Likewise.
7874         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
7876 2009-03-24  Cary Coutant  <ccoutant@google.com>
7878         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
7879         an executable.
7880         (needs_dynamic_reloc): Likewise.
7882 2009-03-24  Ian Lance Taylor  <iant@google.com>
7884         * yyscript.y (file_cmd): Recognize EXTERN.
7885         (extern_name_list, extern_name_list_body): New nonterminals.
7886         * script.cc (script_add_extern): Define.
7887         * script-c.h (script_add_extern): Declare.
7889 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
7891         * object.cc (is_elf_object): Define.
7892         * object.h (is_elf_object): Declare.
7893         * archive.cc (Archive::get_elf_object_for_member): Call
7894         is_elf_object.
7895         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
7897 2009-03-24  Elliott Hughes  <enh@google.com>
7899         * output.cc (Output_file::map_anonymous): Define.
7900         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
7901         try an anonymous one.  Report the size if the mmap fails.
7902         * output.h (class Output_file): Declare map_anonymous.
7904 2009-03-24  Ian Lance Taylor  <iant@google.com>
7906         * target-select.cc (instantiate_target): Don't acquire the lock if
7907         the instantiated_target_ field has already been set.
7909 2009-03-23  Ian Lance Taylor  <iant@google.com>
7911         * gold-threads.h (class Initialize_lock): Define.
7912         * gold-threads.cc (class Initialize_lock_once): Define.
7913         (initialize_lock_control): New static variable.
7914         (initialize_lock_pointer): New static variable.
7915         (initialize_lock_once): New static function.
7916         (Initialize_lock::Initialize_lock): Define.
7917         (Initialize_lock::initialize): Define.
7918         * target-select.h: Include "gold-threads.h".
7919         (class Target_selector): Add lock_ and initialize_lock_ fields.
7920         Don't define instantiate_target, just declare it.
7921         * target-select.cc (Target_selector::Target_selector): Initialize
7922         new fields.
7923         (Target_selector::instantiate_target): Define.
7924         * descriptors.h: Include "gold-threads.h".
7925         (class Descriptors): Add initialize_lock_ field.
7926         * descriptors.cc (Descriptors::Descriptors): Initialize new
7927         field.
7928         (Descriptors::open): Use initialize_lock_ field
7929         * errors.h (class Errors): Add initialize_lock_ field.
7930         * errors.cc (Errors::Errors): Initialize new field.
7931         (Errors::initialize_lock): Use initialize_lock_ field.
7932         * powerpc.cc (class Target_selector_powerpc): Remove
7933         instantiated_target_ field.  In do_recognize call
7934         instantiate_target rather than do_instantiate_target.  In
7935         do_instantiate_target just allocate a new target.
7936         * sparc.cc (class Target_selector_sparc): Likewise.
7938         * freebsd.h: New file.
7939         * i386.cc: Include "freebsd.h".
7940         (Target_i386): Derive from Target_freebsd rather than
7941         Sized_target.
7942         (Target_selector_i386): Derive from Target_selector_freebsd rather
7943         than Target_selector.
7944         * x86_64.cc: Include "freebsd.h".
7945         (Target_x86_64): Derive from Target_freebsd rather than
7946         Sized_target.
7947         (Target_selector_x86_64): Derive from Target_selector_freebsd
7948         rather than Target_selector.
7949         * target.h (class Target): Add adjust_elf_header and
7950         do_adjust_elf_header.
7951         * output.cc (Output_file_header:: do_sized_write): Call target
7952         adjust_elf_header routine.
7953         * configure.tgt: Set targ_osabi.
7954         * configure.ac: Define GOLD_DEFAULT_OSABI.
7955         * parameters.cc (Parameters::default_target): Pass
7956         GOLD_DEFAULT_OSABI to select_target.
7957         * target-select.h (class Target_selector): Make instantiate_target
7958         protected rather than private.
7959         * Makefile.am (HFILES): Add freebsd.h.
7960         * configure, Makefile.in, config.in: Rebuild.
7962         * merge.cc (do_add_input_section): Correct pend value.  Change
7963         message about last entry not being null terminated from error to
7964         warning.
7966 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
7968         * incremental.cc: New file.
7969         * Makefile.am (CCFILES): Add incremental.cc.
7970         * Makefile.in: Rebuild.
7972 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
7974         * layout.cc (Layout::output_section_name): Preserve names
7975         of '.note.' sections.
7977 2009-03-19  Ian Lance Taylor  <iant@google.com>
7979         * descriptors.cc (Descriptors::open): Check that the options are
7980         valid before using them.
7982 2009-03-18  Ian Lance Taylor  <iant@google.com>
7984         * script-sections.h: Include <list>.
7985         (class Script_sections): Change Sections_elements from std::vector
7986         to std::list.  Typedef public Elements_iterator.  Add
7987         orphan_section_placement_, data_segment_align_start_, and
7988         saw_data_segment_align_ fields.  Remove data_segment_align_index_
7989         field.
7990         * script-sections.cc (class Orphan_section_placement): New class.
7991         (class Sections_element): Add virtual functions is_relro and
7992         orphan_section_init.  Remove virtual function place_orphan_here.
7993         (class Output_section_definition): Add is_relro and
7994         orphan_section_init.  Remove place_orphan_here.
7995         (class Orphan_output_section): Likewise.
7996         (Script_sections::Script_sections): Update for field changes.
7997         (Script_sections::data_segment_align): Set saw_data_segment_align_
7998         and data_segment_align_start_, not data_segment_align_index.
7999         (Script_sections::data_segment_relro_end): Check
8000         saw_data_segment_align_.  Use data_segment_align_start_ rather
8001         than data_segment_align_index_.
8002         (Script_sections::place_orphan): Rewrite to use
8003         Orphan_section_placement.
8005 2009-03-17  Ian Lance Taylor  <iant@google.com>
8007         * archive.cc (Archive::add_symbols): Check for a version attached
8008         to the symbol name in the archive map.
8009         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8010         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8011         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8012         (ver_test_11.a): New target.
8013         * testsuite/Makefile.in: Rebuild.
8015         * configure.ac: Check for chsize and posix_fallocate.  Replace
8016         ftruncate.
8017         * ftruncate.c: New file, from gnulib.
8018         * output.cc (posix_fallocate): Define dummy version if not
8019         HAVE_POSIX_FALLOCATE.
8020         (Output_file::map): Call posix_fallocate rather than lseek and
8021         write.
8022         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8023         * configure, Makefile.in, config.in: Rebuild.
8025 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8027         * layout.h (Layout::create_note): Add section_name parameter.
8028         * layout.cc (Layout::create_note): Likewise.
8029         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8031 2009-03-17  Ian Lance Taylor  <iant@google.com>
8033         * descriptors.cc: Include "options.h".
8034         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8035         (Descriptors::open): Always use O_CLOEXEC when opening a new
8036         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8037         then set FD_CLOEXEC.
8039         * sparc.cc (class Target_sparc): Add has_got_section.
8040         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8041         make sure we have a GOT section.
8043         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8044         (Target_sparc::Scan::local): Likewise.
8045         (Target_sparc::Scan::global): Likewise.
8046         (Target_sparc::Relocate::relocate): Likewise.
8047         (Target_sparc::Relocate::relocate_tls): Likewise.
8049         * symtab.cc (Symbol_table::define_default_version): New function,
8050         broken out of add_from_object.
8051         (Symbol_table::add_from_object): Call define_default_version.
8052         (Symbol_table::define_special_symbol): Add resolve_oldsym
8053         parameter.  Change all callers.  If the version for a symbol comes
8054         from a version script, resolve it with the symbol with the same
8055         name with no version.  Also add the symbol without a version if
8056         appropriate.
8057         (do_define_in_output_data): If resolving with oldsym, don't delete
8058         sym.
8059         (do_define_in_output_segment): Likewise.
8060         (do_define_as_constant): Likewise.
8061         * symtab.h (class Symbol_table): Update declarations.
8063 2009-03-13  Ian Lance Taylor  <iant@google.com>
8065         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8066         (Read_symbols::requeue): New function.
8067         (Read_symbols::do_read_symbols): If make_elf_object fails because
8068         the target type is not configured, and the file was searched for,
8069         issue a warning and retry with the next directory.
8070         (Add_symbols::run): If the file has an incompatible format, and
8071         it was searched for, requeue the Read_symbols task.  On error,
8072         release the object.
8073         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8074         dirindex parameter to constructor.  Change all callers.  Declare
8075         incompatible_warning and requeue.
8076         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8077         input_argument_ and input_group_ fields.  Add them to
8078         constructor.  Change all callers.
8079         (class Read_script): Add dirindex_ field.  Add it to constructor.
8080         Change all callers.
8081         * archive.cc (Archive::setup): Remove input_objects parameter.
8082         Change all callers.
8083         (Archive::get_file_and_offset): Likewise.
8084         (Archive::read_all_symbols): Likewise.
8085         (Archive::read_symbols): Likewise.
8086         (Archive::get_elf_object_for_member): Remove input_objects
8087         parameter.  Add punconfigured parameter.  Change all callers.
8088         (Archive::add_symbols): Change return type to bool.  Check return
8089         value of include_member.
8090         (Archive::include_all_members): Likewise.
8091         (Archive::include_member): Change return type to bool.  Return
8092         false if first included object has incompatible target.  Set
8093         included_member_ field.
8094         (Add_archive_symbols::run): If add_symbols returns false, requeue
8095         Read_symbols task.
8096         * archive.h (class Archive): Add included_member_ field.
8097         Initialize it in constructor.  Add input_file and searched_for
8098         methods.  Update declarations.
8099         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8100         input_argument_ fields.  Add them to constructor.  Change all
8101         callers.
8102         * script.cc: Include "target-select.h".
8103         (class Parser_closure): Add skip_on_incompatible_target_ and
8104         found_incompatible_target_ fields.  Add
8105         skip_on_incompatible_target parameter to constructor.  Change all
8106         callers.  Add methods skip_on_incompatible_target,
8107         clear_skip_on_incompatible_target, found_incompatible_target, and
8108         set_found_incompatible_target.
8109         (read_input_script): Add dirindex parameter.  Change all callers.
8110         If parser finds an incompatible target, requeue Read_symbols
8111         task.
8112         (script_set_symbol): Clear skip_on_incompatible_target in
8113         closure.
8114         (script_add_assertion, script_parse_option): Likewise.
8115         (script_start_sections, script_add_phdr): Likewise.
8116         (script_check_output_format): New function.
8117         * script.h (read_input_script): Update declaration.
8118         * script-c.h (script_check_output_format): Declare.
8119         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8120         (ignore_cmd): Remove OUTPUT_FORMAT.
8121         * fileread.cc (Input_file::Input_file): Add explicit this.
8122         (Input_file::will_search_for): New function.
8123         (Input_file::open): Add pindex parameter.  Change all callers.
8124         * fileread.h (class Input_file): Add input_file_argument method.
8125         Declare will_search_for.  Update declarations.
8126         * object.cc (make_elf_object): Add punconfigured parameter.
8127         Change all callers.
8128         * object.h (class Object): Make input_file public.  Add
8129         searched_for method.
8130         (make_elf_object): Update declaration.
8131         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8132         restart search.
8133         * dirsearch.h (class Dirsearch): Update declaration.
8134         * options.h (class General_options): Add --warn-search-mismatch.
8135         * parameters.cc (Parameters::is_compatible_target): New function.
8136         * parameters.h (class Parameters): Declare is_compatible_target.
8137         * workqueue.cc (Workqueue::add_blocker): New function.
8138         * workqueue.h (class Workqueue): Declare add_blocker.
8140         * fileread.cc (Input_file::open): Remove options parameter.
8141         Change all callers.
8142         (Input_file::open_binary): Likewise.
8143         * script.cc (read_input_script): Likewise.
8144         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8145         options parameter from constructor.  Change all callers.
8146         (class Read_script): Likewise.
8147         * fileread.h (class Input_file): Update declarations.
8148         * script.h (read_input_script): Update declaration.
8150 2009-03-10  Nick Clifton  <nickc@redhat.com>
8152         * po/es.po: New Spanish translation.
8154 2009-03-06  Cary Coutant  <ccoutant@google.com>
8156         * options.cc (parse_short_option): Keep dash_z from registering itself.
8158 2009-03-03  Ian Lance Taylor  <iant@google.com>
8160         PR 9918
8161         * target-reloc.h (relocate_section): Pass output_section to
8162         relocate.
8163         * i386.cc (Target_i386::should_apply_static_reloc): Add
8164         output_section parameter.  Change all callers.
8165         (Target_i386::Relocate::relocate): Add output_section parameter.
8166         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8167         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8168         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8169         * testsuite/two_file_shared.sh: New script.
8170         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8171         (check_DATA): Add two_file_shared.dbg.
8172         (two_file_shared.dbg): New target.
8173         * testsuite/Makefile.in: Rebuild.
8175 2009-03-01  Ian Lance Taylor  <iant@google.com>
8177         * configure.ac: Check for byteswap.h.
8178         * configure: Rebuild.
8179         * config.in: Rebuild.
8181 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8183         * layout.cc (Layout::find_or_add_kept_section): New function.
8184         (Layout::add_comdat): Removed.
8185         * layout.h (struct Kept_section): Move out of class Layout.
8186         Remove trailing underscores from field names.  Add group_sections
8187         field.  Rename group_ field to is_group.  Change all uses.
8188         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8189         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8190         comdat_groups_ field.
8191         (Sized_relobj::include_section_group): Use
8192         find_or_add_kept_section and Kept_section::group_sections.
8193         (Sized_relobj::include_linkonce_section): Likewise.
8194         * object.cc (class Sized_relobj): Don't define Comdat_group or
8195         Comdat_group_table.  Remove find_comdat_group and
8196         add_comdat_group.  Remove comdat_groups_ field.
8197         * plugin.cc (include_comdat_group): Use
8198         Layout::find_or_add_kept_section.
8200 2009-02-28  Ian Lance Taylor  <iant@google.com>
8202         * README: --gc-sections and map files are now supported.  Document
8203         some build requirements.
8205         PR 6992
8206         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8207         relocatable link set the value of the section symbol to zero.
8208         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8209         relocatable link don't include the section address in the local
8210         symbol value.
8212 2009-02-27  Ian Lance Taylor  <iant@google.com>
8214         PR 6811
8215         * options.h (class Search_directory): Add is_system_directory.
8216         (class General_options): Declare is_in_system_directory.
8217         * options.cc (get_relative_sysroot): Make static.
8218         (get_default_sysroot): Make static.
8219         (General_optoins::is_in_system_directory): New function.
8220         * fileread.cc (Input_file::is_in_system_directory): New function.
8221         * fileread.h (class Input_file): Declare is_in_system_directory.
8222         * object.h (class Object): Add is_in_system_directory.
8223         (class Input_objects): Remove system_library_directory_ field.
8224         * object.cc (Input_objects::add_object): Don't set
8225         system_library_directory_.
8226         (input_objects::found_in_system_library_directory): Remove.
8227         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8228         parameter.  Change all callers.
8229         (Symbol_table::sized_write_globals): Likewise.
8230         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8231         Call Object::is_in_system_directory.
8232         * symtab.h (class Symbol_table): Update declarations.
8234         PR 5990
8235         * descriptors.h (Open_descriptor): Add is_on_stack field.
8236         * descriptors.cc (Descriptors::open): If the descriptor is on the
8237         top of the stack, remove it.  Initialize is_on_stack field.
8238         (Descriptors::release): Only add pod to stack if it is not on the
8239         stack already.
8240         (Descriptors::close_some_descriptor): Clear stack_next and
8241         is_on_stack fields.
8243         PR 7091
8244         * output.cc (Output_section::find_starting_output_address): Rename
8245         from starting_output_address; add PADDR parameter; change return
8246         type.
8247         * output.h (class Output_section): Declare
8248         find_starting_output_address instead of starting_output_address.
8249         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8250         section symbol for which we can't find a merge section.
8252         PR 9836
8253         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8254         hidden or internal, force the symbol to be local.
8255         * resolve.cc (Symbol::override_visibility): Define.
8256         (Symbol::override_base): Use override_visibility.
8257         (Symbol_table::resolve): Likewise.
8258         (Symbol::override_base_with_special): Likewise.
8259         (Symbol_table::override_with_special): If the visibility is hidden
8260         or internal, force the symbol to be local.
8261         * symtab.h (class Symbol): Add set_visibility and
8262         override_visibility.
8263         * testsuite/ver_test_1.sh: New file.
8264         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8265         (check_DATA): Add ver_test_1.syms.
8266         (ver_test_1.syms): New target.
8267         * testsuite/Makefile.in: Rebuild.
8269 2009-02-25  Cary Coutant  <ccoutant@google.com>
8271         * layout.cc (Layout::choose_output_section): Don't rename sections
8272         when using a linker script that has a SECTIONS clause.
8273         * Makefile.in: Regenerate.
8275         * testsuite/Makefile.am (script_test_5.sh): New test case.
8276         * testsuite/Makefile.in: Regenerate.
8277         * testsuite/script_test_5.cc: New file.
8278         * testsuite/script_test_5.sh: New file.
8279         * testsuite/script_test_5.t: New file.
8281 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8283         * archive.cc (Archive::include_member): Update calls to add_symbols.
8284         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8285         the Layout argument.
8286         * dynobj.h (do_add_symbols): Add the Layout argument.
8287         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8288         Layout argument.
8289         * object.h (Object::add_symbols): Add the Layout argument.
8290         (Object::do_add_symbols): Add the Layout argument.
8291         (Sized_relobj::do_add_symbols): Add the Layout argument.
8292         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8293         Unify the two versions.
8294         (Add_plugin_symbols): Remove.
8295         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8296         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8297         (Add_plugin_symbols): Remove.
8298         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8299         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8300         (Add_symbols::run): Make it work with Pulginobj.
8302 2009-02-06  Ian Lance Taylor  <iant@google.com>
8304         * object.cc (Sized_relobj::do_layout): Make info message start
8305         with lower case letter.
8307 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8309         * binary.cc: Fix file comment.
8311         * options.h (enum Incremental_disposition): Define.
8312         (class General_options): Add new options: --incremental,
8313         --incremental_changed, --incremental_unchanged,
8314         --incremental_unknown.  Add incremental_disposition_ and
8315         implicit_incremental_ fields.
8316         (General_options::incremental_disposition): New function.
8317         (class Position_dependent_options): Add incremental_disposition
8318         option.
8319         (Position_dependent_options::copy_from_options): Set incremental
8320         dispositions.
8321         * options.cc (General_options::parse_incremental_changed): New
8322         function.
8323         (General_options::parse_incremental_unchanged): New function.
8324         (General_options::parse_incremental_unknown): New function.
8325         (General_options::General_options): Initialize new fields
8326         incremental_disposition_ and implicit_incremental_.
8327         (General_options::finalize): Check for uasge of --incremental-*
8328         without --incremental.
8330 2009-02-06  Chris Demetriou  <cgd@google.com>
8332         * gold.h (gold_undefined_symbol): Change to take only a Symbol
8333         pointer and to report location as the file name associated with
8334         the symbol.
8335         (gold_undefined_symbol_at_location): New function to replace the
8336         old gold_undefined_symbol functionality.
8337         * target-reloc.h (relocate_section): Update to use
8338         gold_undefined_symbol_at_location.
8339         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8340         Call gold_undefined_symbol function rather than gold_error.
8341         * errors.h (Errors::undefined_symbol): Take location as a
8342         string, rather than calculating it from a relocation.
8343         * errors.cc (Errors::fatal): Print "fatal error:" before the
8344         formatted message.
8345         (Errors::error, Errors::error_at_location): Print "error: "
8346         before the formatted message.
8347         (Errors::undefined_symbol): Take location as a string, rather
8348         than calculating it from a relocation.
8349         (gold_undefined_symbol_at_location): New function akin to
8350         old gold_undefined_symbol, calculates location from relocation.
8351         (gold_undefined_symbol): Change to take only a Symbol pointer
8352         and to report location as the file name associated with the symbol.
8353         * testsuite/debug_msg.sh: Update for changed error messages.
8354         * testsuite/undef_symbol.sh: Likewise.
8356 2009-02-04  Duncan Sands  <baldrick@free.fr>
8358         PR 9812
8359         * reduced_debug_output.h
8360         (Output_reduced_debug_abbrev_section::failed): Use format for
8361         gold_warning.
8362         (Output_reduced_debug_info_section::faild): Likewise.
8364 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
8366         * script.cc (Lazy_demangler): New class.
8367         (Version_script_info::get_symbol_version_helper): Demangle a
8368         symbol only once.
8370 2009-01-29  Cary Coutant  <ccoutant@google.com>
8372         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
8373         to __tls_get_addr.
8374         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8376 2009-01-28  Ian Lance Taylor  <iant@google.com>
8378         * version.cc (version_string): Bump to 1.9.
8380         * gold.h: Include <cstring> and <stdint.h>.
8381         * version.cc: Include <cstdio>.
8382         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
8383         warning.
8384         * reduced_debug_output.cc (insert_into_vector): Rename from
8385         Insert_into_vector; change all callers.  Use Swap_unaligned to
8386         avoid aliasing issue; remove union since it is unnecessary.
8388 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
8390         * Makefile.am (CCFILES): Add gc.cc.
8391         (HFILES): Add gc.h.
8392         * Makefile.in: Regenerate.
8393         * gold.cc (Gc_runner): New class.
8394         (queue_initial_tasks): Call garbage collection related tasks
8395         when corresponding options are invoked.
8396         (queue_middle_gc_tasks): New function.
8397         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
8398         processed early before laying out sections during garbage collection.
8399         * gold.h (queue_middle_gc_tasks): New function.
8400         (is_prefix_of): Move from "layout.cc".
8401         * i386.cc (Target_i386::gc_process_relocs): New function.
8402         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
8403         * main.cc (main): Create object of class "Garbage_collection".
8404         * object.cc (Relobj::copy_symbols_data): New function.
8405         (Relobj::is_section_name_included): New function.
8406         (Sized_relobj::do_layout): Allow this function to be called twice
8407         during garbage collection and defer layout of section during the
8408         first call.
8409         * object.h (Relobj::get_symbols_data): New function.
8410         (Relobj::is_section_name_included): New function.
8411         (Relobj::copy_symbols_data): New function.
8412         (Relobj::set_symbols_data): New function.
8413         (Relobj::get_relocs_data): New function.
8414         (Relobj::set_relocs_data): New function.
8415         (Relobj::is_output_section_offset_invalid): New pure virtual function.
8416         (Relobj::gc_process_relocs): New function.
8417         (Relobj::do_gc_process_relocs): New pure virtual function.
8418         (Relobj::sd_): New data member.
8419         (Sized_relobj::is_output_section_offset_invalid): New function.
8420         (Sized_relobj::do_gc_process_relocs): New function.
8421         * options.h (General_options::gc_sections): Modify to not be a no-op.
8422         (General_options::print_gc_sections): New option.
8423         * plugin.cc (Plugin_finish::run): Remove function call to
8424         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
8425         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
8426         * reloc.cc (Read_relocs::run): Add task to process relocs and
8427         determine unreferenced sections when doing garbage collection.
8428         (Gc_process_relocs): New class.
8429         (Sized_relobj::do_gc_process_relocs): New function.
8430         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
8431         sections that are garbage collected.
8432         * reloc.h (Gc_process_relocs): New class.
8433         * sparc.cc (Target_sparc::gc_process_relocs): New function.
8434         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
8435         symbols whose corresponding sections are garbage collected.
8436         (Symbol_table::Symbol_table): Add new parameter for the garbage
8437         collection object.
8438         (Symbol_table::gc_mark_undef_symbols): New function.
8439         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8440         (Symbol_table::gc_mark_dyn_syms): New function.
8441         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
8442         as garbage.
8443         (Symbol_table::add_from_object): Likewise.
8444         (Symbol_table::add_from_relobj): When building shared objects, do not
8445         treat externally visible symbols as garbage.
8446         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
8447         table information for static and relocatable links.
8448         * symtab.h (Symbol_table::set_gc): New function.
8449         (Symbol_table::gc): New function.
8450         (Symbol_table::gc_mark_undef_symbols): New function.
8451         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8452         (Symbol_table::gc_mark_dyn_syms): New function.
8453         (Symbol_table::gc_): New data member.
8454         * target.h (Sized_target::gc_process_relocs): New pure virtual
8455         function.
8456         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
8457         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
8459 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
8461         * options.h (General_options::gc_sections): Define as a no-op for now.
8462         (General_options::no_keep_memory): Ditto.
8463         (General_options::Bshareable): Define.
8464         * options.cc (General_options::finalize): Honor -Bshareable.
8466 2009-01-20  Andreas Schwab  <schwab@suse.de>
8468         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
8469         read the value in the contents, since we don't use it.  Use the
8470         template endianness when writing.
8471         (Relocate::relocate): Use it for R_PPC_REL16_HA.
8473 2009-01-19  Andreas Schwab  <schwab@suse.de>
8475         * configure.tgt (powerpc64-*): Fix targ_obj.
8477 2009-01-15  Ian Lance Taylor  <iant@google.com>
8479         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8480         local symbols when stripping all symbols.
8482 2009-01-14  Cary Coutant  <ccoutant@google.com>
8484         * output.cc (Output_reloc): Add explicit instantiations.
8486 2009-01-14  Cary Coutant  <ccoutant@google.com>
8488         * archive.cc (Archive::get_elf_object_for_member): Remove call
8489         to File_read::claim_for_plugin.
8490         * descriptors.cc (Descriptors::open): Remove reference to
8491         is_claimed.
8492         (Descriptors::claim_for_plugin): Remove.
8493         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8494         (Descriptors::is_claimed): Remove.
8495         (claim_descriptor_for_plugin): Remove.
8496         * fileread.cc (File_read::claim_for_plugin): Remove.
8497         * fileread.h (File_read::claim_for_plugin): Remove.
8498         (File_read::descriptor): Reopen descriptor if necessary.
8499         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8500         (Plugin_manager::all_symbols_read): Add task parameter. Change
8501         all callers.
8502         (Plugin_manager::get_input_file): New function.
8503         (Plugin_manager::release_input_file): New function.
8504         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8505         corresponding data member.
8506         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8507         and pass to base constructor. Change all callers.
8508         (get_input_file, release_input_file): New functions.
8509         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8510         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8511         (Plugin_manager::all_symbols_read): Add task parameter.
8512         (Plugin_manager::get_input_file): New function.
8513         (Plugin_manager::release_input_file): New function.
8514         (Plugin_manager::task_): New data member.
8515         (Pluginobj::Pluginobj): Add filesize parameter.
8516         (Pluginobj::filename): New function.
8517         (Pluginobj::descriptor): New function.
8518         (Pluginobj::filesize): New function.
8519         (Pluginobj::filesize_): New data member.
8520         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8521         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8522         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8524         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8525         with archive libraries.
8526         * testsuite/Makefile.in: Regenerate.
8527         * testsuite/plugin_test.c (struct sym_info): New type.
8528         (get_input_file, release_input_file): New static variables.
8529         (onload): Capture new transfer vector entries.
8530         (claim_file_hook): Stop reading at end of file according to filesize.
8531         Factor out parsing of readelf output into separate function.
8532         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8533         APIs and get the source file name from the symbol table.  Convert
8534         source file name to corresponding object file name.  Print info
8535         message when adding new input files.
8536         (parse_readelf_line): New function.
8537         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8538         * testsuite/plugin_test_2.sh: Likewise.
8539         * testsuite/plugin_test_3.sh: Likewise.
8540         * testsuite/plugin_test_4.sh: New test case.
8542 2009-01-07  Ian Lance Taylor  <iant@google.com>
8544         * version.cc (version_string): Bump to 1.8.
8546 2008-12-23  Cary Coutant  <ccoutant@google.com>
8548         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8549         * plugin.cc (Plugin_manager::finish): Rename as
8550         layout_deferred_objects.  Move cleanup to separate function.
8551         (Plugin_manager::cleanup): New function.
8552         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8553         separately.
8554         * plugin.h (Plugin_manager::finish): Rename as
8555         layout_deferred_objects.
8556         (Plugin_manager::cleanup): New function.
8557         (Plugin_manager::cleanup_done): New field.
8559 2008-12-23  Cary Coutant  <ccoutant@google.com>
8561         * plugin.cc (is_visible_from_outside): New function.
8562         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8563         so we don't return "IR only" status for exported symbols or -r links.
8565         * testsuite/Makefile.am (plugin_test_3): New test case.
8566         * testsuite/Makefile.in: Regenerate.
8567         * testsuite/plugin_test_3.sh: New file.
8569 2008-12-22  Cary Coutant  <ccoutant@google.com>
8571         * object.cc (Sized_relobj::layout_section): New function.
8572         (Sized_relobj::do_layout): Defer layout of input sections until after
8573         plugin has provided replacement files.
8574         (Sized_relobj::do_layout_deferred_sections): New function.
8575         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8576         (Relobj::layout_deferred_sections): New function.
8577         (Relobj::do_layout_deferred_sections): New function.
8578         (Sized_relobj::do_layout_deferred_sections): New function.
8579         (Sized_relobj::layout_section): New function.
8580         (Sized_relobj::Deferred_layout): New structure.
8581         (Sized_relobj::deferred_layout_): New field.
8582         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8583         Change all callers.  Layout deferred sections.
8584         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8585         references.
8586         (Plugin_hook::run): Move code from do_plugin_hook inline.
8587         (Plugin_hook::do_plugin_hook): Remove.
8588         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8589         (Plugin_manager::finish): Renamed, was cleanup.
8590         (Plugin_manager::should_defer_layout): New function.
8591         (Plugin_manager::add_deferred_layout_object): New function.
8592         (Plugin_manager::Deferred_layout_list): New type.
8593         (Plugin_manager::deferred_layout_objects_): New field.
8594         (Plugin_hook::do_plugin_hook): Remove.
8596 2008-12-17  Ian Lance Taylor  <iant@google.com>
8598         * options.h (class General_options): Add --no case for
8599         --export-dynamic.
8601 2008-12-16  Cary Coutant  <ccoutant@google.com>
8603         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8604         vector.
8605         (Plugin_manager::claim_file): Create plugin object even if
8606         plugin did not call the add_symbols callback.
8607         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8608         asking for more symbols than were added.
8609         * testsuite/Makefile.am (plugin_test_1): Add test case with
8610         no global symbols.
8611         (empty.syms): New target.
8612         * testsuite/Makefile.in: Regenerate.
8613         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8614         message. Don't call add_symbols if no globals.
8615         (all_symbols_read_hook): Don't provide replacement for empty
8616         claimed file.
8618 2008-12-12  Ian Lance Taylor  <iant@google.com>
8620         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8621         r_type == 0 for a local symbol with r_sym == 0.
8622         (scan_relocatable_relocs): Pass r_sym to
8623         local_non_section_strategy.
8624         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8625         r_sym parameter.
8627         * configure.ac: Update test for TLS descriptors: they are
8628         supported as of glibc 2.9.
8629         * configure: Rebuild.
8631 2008-12-11  Ian Lance Taylor  <iant@google.com>
8633         PR 7091
8634         * target-reloc.h (Default_scan_relocatable_relocs): For each
8635         function, map r_type == 0 to RELOC_DISCARD.
8637 2008-12-10  Cary Coutant  <ccoutant@google.com>
8639         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8640         object to override a kept COMDAT group from a plugin object.
8642 2008-12-09  Ian Lance Taylor  <iant@google.com>
8644         PR 7088
8645         * yyscript.y (file_cmd): Handle INPUT.
8647         * testsuite/initpri1.c: Change all declarations to be full
8648         prototypes by adding void, to avoid compiler warnings.
8650 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8652         * options.cc (General_options::parse_plugin_opt): New.
8653         (General_options::add_plugin): The argument now is just the filename.
8654         (General_options::add_plugin_option): New.
8655         * options.h (plugin_opt): New.
8656         (add_plugin): Change argument name.
8657         (add_plugin_option): New.
8658         * plugin.cc (Plugin::load): Don't parse the plugin option.
8659         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8660         (Plugin::add_option): New.
8661         (Plugin::args_): Change type.
8662         (Plugin::filename_): New.
8663         (Plugin_manager::add_plugin_option): New.
8664         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8665         * testsuite/Makefile.in: Regenerate.
8667 2008-12-05  Cary Coutant  <ccoutant@google.com>
8669         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8670         Handle --strip-lto-sections option.
8671         * options.h (strip_lto_sections): New option.
8673 2008-12-01  Cary Coutant  <ccoutant@google.com>
8675         * plugin.cc (ld_plugin_message): Change format parameter to const.
8676         Fix mismatch between new[] and delete.
8678 2008-11-14  Cary Coutant  <ccoutant@google.com>
8680         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8681         instead of -1U.
8683 2008-11-05  Craig Silverstein  <csilvers@google.com>
8685         * options.cc (General_options::parse_dynamic_list): New function.
8686         * options.h (General_options): New flags dynamic_list,
8687         dynamic_list_data, dynamic_list_cpp_new, and
8688         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8689         (General_options::in_dynamic_list): New function.
8690         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8691         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8692         (Lex::can_continue_name): Likewise.
8693         (yylex): Likewise.
8694         (read_script_file): New parameter script_options.
8695         (read_dynamic_list): New function.
8696         (Script_options::define_dynamic_list): New function.
8697         (dynamic_list_keyword_parsecodes): New variable.
8698         (dynamic_list_keywords): New variable.
8699         * script.h (Script_options::define_dynamic_list): New function
8700         prototype.
8701         (read_dynamic_list): New function prototype.
8702         * symtab.cc (strprefix): New macro.
8703         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8704         dynamic_list_data, dynamic_list_cpp_new, and
8705         dynamic_list_cpp_typeinfo.
8706         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8707         (dynamic_list_expr): New rule.
8708         (dynamic_list_nodes): Likewise.
8709         (dynamic_list_node): Likewise.
8710         * testsuite/Makefile.am (dynamic_list): New test.
8711         * testsuite/Makefile.in: Regenerated.
8712         * testsuite/dynamic_list.t: New file.
8713         * testsuite/dynamic_list.sh: New file.
8715 2008-11-05  Craig Silverstein  <csilvers@google.com>
8717         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8718         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8719         (t11_last): Likewise.
8720         * testsuite/ver_test_6.c (main): Likewise.
8722 2008-10-07  Cary Coutant  <ccoutant@google.com>
8724         * options.c (General_options::finalize): Add check for -static and
8725         -shared.
8726         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8727         is not empty.
8729 2008-10-02  Cary Coutant  <ccoutant@google.com>
8731         * plugin.cc (make_sized_plugin_object): Fix conditional
8732         compilation to work when not all targets are enabled.
8734 2008-09-29  Cary Coutant  <ccoutant@google.com>
8736         * archive.cc (Archive::get_file_and_offset): Use filename instead
8737         of name to get library path.
8738         (Archive::include_member): Unlock external member of a thin archive.
8740         * testsuite/Makefile.am (TEST_AR): New variable.
8741         (thin_archive_test_1): New test.
8742         (thin_archive_test_2): New test.
8743         * testsuite/Makefile.in: Regenerate.
8744         * testsuite/thin_archive_main.cc: New file.
8745         * testsuite/thin_archive_test_1.cc: New file.
8746         * testsuite/thin_archive_test_2.cc: New file.
8747         * testsuite/thin_archive_test_3.cc: New file.
8748         * testsuite/thin_archive_test_4.cc: New file.
8750 2008-09-29  Cary Coutant  <ccoutant@google.com>
8752         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8753         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8754         instead of -1U.
8755         (Sized_relobj::do_finalize_local_symbols): Likewise.
8756         (Sized_relobj::map_to_kept_section): Likewise.
8757         * object.h (Sized_relobj::invalid_address): New constant.
8758         (Sized_relobj::do_output_section_offset): Check for invalid_address
8759         and return -1ULL.
8760         * output.cc (Output_reloc::local_section_offset): Use constant
8761         invalid_address instead of -1U.
8762         (Output_reloc::get_address): Likewise.
8763         (Output_section::output_address): Change -1U to -1ULL.
8764         * output.h (Output_reloc::invalid_address): New constant.
8765         * reloc.cc (Sized_relobj::write_sections): Use constant
8766         invalid_address instead of -1U.
8767         (Sized_relobj::relocate_sections): Likewise.
8768         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8769         values for merge sections.
8770         * target-reloc.h (relocate_for_relocatable): Use constant
8771         invalid_address instead of -1U.
8773 2008-09-19  Cary Coutant  <ccoutant@google.com>
8775         Add plugin functionality for link-time optimization (LTO).
8776         * configure.ac (plugins): Add --enable-plugins option.
8777         * configure: Regenerate.
8778         * config.in: Regenerate.
8779         * Makefile.am (LIBDL): New variable.
8780         (CCFILES): Add plugin.cc.
8781         (HFILES): Add plugin.h.
8782         (ldadd_var): Add LIBDL.
8783         * Makefile.in: Regenerate.
8785         * archive.cc: Include "plugin.h".
8786         (Archive::setup): Don't preread archive symbols when using a plugin.
8787         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
8788         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
8789         files.
8790         (Archive::include_member): Add symbols from plugin objects.
8791         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
8792         * descriptors.cc (Descriptors::open): Check for file descriptors
8793         abandoned by plugins.
8794         (Descriptors::claim_for_plugin): New function.
8795         * descriptors.h (Descriptors::claim_for_plugin): New function.
8796         (Open_descriptor::is_claimed): New field.
8797         (claim_descriptor_for_plugin): New function.
8798         * fileread.cc (File_read::claim_for_plugin): New function.
8799         * fileread.h (File_read::claim_for_plugin): New function.
8800         (File_read::descriptor): New function.
8801         * gold.cc: Include "plugin.h".
8802         (queue_initial_tasks): Add task to call plugin hooks for generating
8803         new object files.
8804         * main.cc: Include "plugin.h".
8805         (main): Load plugin libraries.
8806         * object.h (Pluginobj): Declare.
8807         (Object::pluginobj): New function.
8808         (Object::do_pluginobj): New function.
8809         (Object::set_target): New function.
8810         * options.cc: Include "plugin.h".
8811         (General_options::parse_plugin): New function.
8812         (General_options::General_options): Initialize plugins_ field.
8813         (General_options::add_plugin): New function.
8814         * options.h (Plugin_manager): Declare.
8815         (General_options): Add --plugin option.
8816         (General_options::has_plugins): New function.
8817         (General_options::plugins): New function.
8818         (General_options::add_plugin): New function.
8819         (General_options::plugins_): New field.
8820         * plugin.cc: New file.
8821         * plugin.h: New file.
8822         * readsyms.cc: Include "plugin.h".
8823         (Read_symbols::do_read_symbols): Check for archive before checking
8824         for ELF file.  Call plugin hooks to claim files.
8825         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
8826         from a real object file; force override when processing replacement
8827         files.
8828         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
8829         (Symbol::init_base_object): Likewise.
8830         (Symbol::init_base_output_data): Likewise.
8831         (Symbol::init_base_output_segment): Likewise.
8832         (Symbol::init_base_constant): Likewise.
8833         (Symbol::init_base_undefined): Likewise.
8834         (Symbol::output_section): Assert that object is not a plugin.
8835         (Symbol_table::add_from_pluginobj): New function.
8836         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
8837         undefined.
8838         (Symbol_table::sized_write_globals): Likewise.
8839         (Symbol_table::add_from_pluginobj): Instantiate template.
8840         * symtab.h (Sized_pluginobj): Declare.
8841         (Symbol::in_real_elf): New function.
8842         (Symbol::set_in_real_elf): New function.
8843         (Symbol::in_real_elf_): New field.
8844         (Symbol_table::add_from_pluginobj): New function.
8846         * testsuite/Makefile.am (AM_CFLAGS): New variable.
8847         (LIBDL): New variable.
8848         (LDADD): Add LIBDL.
8849         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
8850         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
8851         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
8852         (MOSTLYCLEANFILES): Likewise.
8853         * testsuite/Makefile.in: Regenerate.
8854         * testsuite/plugin_test.c: New file.
8855         * testsuite/plugin_test_1.sh: New file.
8856         * testsuite/plugin_test_2.sh: New file.
8858 2008-09-16  Ian Lance Taylor  <iant@google.com>
8860         * target-reloc.h (relocate_section): Check whether a symbol is
8861         defined by the ABI before reporting an undefined symbol error.
8862         * target.h (Target::is_defined_by_abi): Make parameter const.
8863         (Target::do_is_defined_by_abi): Likewise.
8864         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
8865         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
8866         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
8867         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
8868         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
8869         * testsuite/Makefile.in: Rebuild.
8871         * fileread.cc (make_view): Add casts to avoid warning.
8873 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8875         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
8876         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8878 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8880         * options.h (General_options::output_is_executable): New.
8881         (General_options::output_is_pie): New.
8882         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
8883         for shared libraries.
8884         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8886 2008-09-11  Chris Demetriou  <cgd@google.com>
8888         * options.h (origin): New -z option.
8889         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
8890         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
8891         in DT_FLAGS_1.
8893 2008-09-05  Cary Coutant  <ccoutant@google.com>
8895         * fileread.cc (File_read::make_view): Add check for attempt to map
8896         beyond end of file.
8898 2008-09-05  Cary Coutant  <ccoutant@google.com>
8900         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
8901         explicit instantiations.
8903 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
8905         PR gold/6858
8906         * options.cc (General_options::finalize): Allow undefined symbols
8907         in shlibs if linking -shared.
8909         PR gold/6859
8910         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
8911         symbols as not needing a dynsym entry.
8913 2008-08-20  Craig Silverstein  <csilvers@google.com>
8915         * fileread.cc (File_read::open): Do not lock the file unless it
8916         was successfully opened.
8918 2008-08-14  Cary Coutant  <ccoutant@google.com>
8920         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
8921         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
8922         * testsuite/tls_test.cc (struct int128): 128-bit struct
8923         for testing TLS relocs with non-zero addend.
8924         (v12): New TLS variable.
8925         (t12): New test.
8926         (t_last): Add check for v12.
8927         * testsuite/tls_test.h (t12): New function.
8928         * testsuite/tls_test_main.cc (thread_routine): Call new test.
8930 2008-08-13  Ian Lance Taylor  <iant@google.com>
8932         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
8933         set tls_segment_ or relro_segment_.
8934         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
8935         when appropriate.
8936         * output.h (Output_section::clear_is_relro): New function.
8937         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
8938         sections specially even when output_data_ is empty.
8939         (Output_segment::maximum_alignment): When first section is relro,
8940         only force alignment for PT_LOAD segments.
8941         * script.cc (script_data_segment_align): New function.
8942         (script_data_segment_relro_end): New function.
8943         * script-c.h (script_data_segment_align): Declare.
8944         (script_data_segment_relro_end): Declare.
8945         * script-sections.h (class Script_sections): Declare
8946         data_segment_align and data_segment_relro_end.  Add fields
8947         segment_align_index_ and saw_relro_end_.
8948         * script-sections.cc (class Sections_element): Add set_is_relro
8949         virtual function.  Add new bool* parameter to place_orphan_here.
8950         Add get_output_section virtual function.
8951         (class Output_section_definition): Add set_is_relro.  Add new
8952         bool* parameter to place_orphan_here.  Add get_output_section.
8953         Add is_relro_ field.
8954         (Output_section_definition::Output_section_definition): Initialize
8955         evaluated_address_, evaluated_load_address, evaluated_addralign_,
8956         and is_relro_ fields.
8957         (Output_section_definition::place_orphan_here): Add is_relro
8958         parameter.
8959         (Output_section_definition::set_section_addresses): Set relro for
8960         output section.
8961         (Output_section_definition::alternate_constraint): Likewise.
8962         (class Orphan_output_section): Add new bool* parameter to
8963         place_orphan_here.  Add get_output_section.
8964         (Orphan_output_section::place_orphan_here): Add is_relro
8965         parameter.
8966         (Script_sections::Script_sections): Initialize
8967         data_segment_align_index_ and saw_relro_end_.
8968         (Script_sections::data_segment_align): New function.
8969         (Script_sections::data_segment_relro_end): New function.
8970         (Script_sections::place_orphan): Set or clear is_relro.
8971         (Script_sections::set_section_addresses): Force alignment of first
8972         TLS section.
8973         * yyscript.y (exp): Call script_data_segment_align and
8974         script_data_segment_relro_end.
8975         * testsuite/relro_script_test.t: New file.
8976         * testsuite/relro_test.cc (using_script): Declare.
8977         (t1, t2): Test using_script.
8978         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
8979         (relro_script_test_SOURCES): Define.
8980         (relro_script_test_DEPENDENCIES): Define.
8981         (relro_script_test_LDFLAGS): Define.
8982         (relro_script_test_LDADD): Define.
8983         (relro_script_test.so): New target.
8984         * testsuite/Makefile.in: Rebuild.
8986 2008-08-06  Cary Coutant <ccoutant@google.com>
8988         * archive.cc (Archive::total_archives, Archive::total_members)
8989         (Archive::total_members_loaded): New variables.
8990         (Archive::setup): Add parameter.  Add option to preread
8991         archive symbols.
8992         (Archive::read_armap): Add counter.
8993         (Archive::get_file_and_offset): New function.
8994         (Archive::get_elf_object_for_member): New function.
8995         (Archive::read_all_symbols): New function.
8996         (Archive::read_symbols): New function.
8997         (Archive::add_symbols): Add counters.
8998         (Archive::include_all_members): Use armap to find members if it's
8999         already built.
9000         (Archive::include_member): Skip reading symbols if already read.
9001         Factored code into Archive::get_file_and_offset and
9002         Archive::get_elf_object_for_member.  Changed call to
9003         Mapfile::report_include_archive_member.
9004         (Archive::print_stats): New function.
9005         * archive.h: Declare Object and Read_symbols_data classes.
9006         (Archive::Archive): Add initializers for new members.
9007         (Archive::setup): Add parameter.
9008         (Archive::print_stats): New function.
9009         (Archive::total_archives, Archive::total_members)
9010         (Archive::total_members_loaded): New variables.
9011         (Archive::get_file_and_offset): New function.
9012         (Archive::get_elf_object_for_member): New function.
9013         (Archive::read_all_symbols): New function.
9014         (Archive::read_symbols): New function.
9015         (Archive::Archive_member): New class.
9016         (Archive::members_): New member.
9017         (Archive::num_members_): New member.
9018         * main.cc: Include archive.h.
9019         (main): Call Archive::print_stats.
9020         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9021         archive parameter; member_name is now the fully-decorated name.
9022         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9023         * options.h: (General_options): Add --preread-archive-symbols option.
9024         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9025         Archive::setup.
9027 2008-08-04  Ian Lance Taylor  <iant@google.com>
9029         * symtab.h (Symbol::use_plt_offset): New function.
9030         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9031         * powerpc.cc (Relocate::relocate): Likewise.
9032         * sparc.cc (Relocate::relocate): Likewise.
9033         * x86_64.cc (Relocate::relocate): Likewise.
9034         * testsuite/weak_plt.sh: New test.
9035         * testsuite/weak_plt_main.cc: New test.
9036         * testsuite/weak_plt_shared.cc: New test.
9037         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9038         (check_PROGRAMS): Add weak_plt.
9039         (check_DATA): Add weak_plt_shared.so.
9040         (weak_plt_main_pic.o, weak_plt): New targets.
9041         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9042         * testsuite/Makefile.in: Rebuild.
9044         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9045         gcctestdir/ld.
9046         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9047         * testsuite/Makefile.in: Rebuild.
9049 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9051         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9052         * Makefile.in: Regenerate.
9053         * po/POTFILES.in: Regenerate.
9055 2008-07-29  Ian Lance Taylor  <iant@google.com>
9057         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9058         symbols before other symbols.
9059         * testsuite/script_test_2.cc (test_addr): Declare.
9060         (test_addr_alias): Declare.
9061         (main): Check that test_addr and test_addr_alias have the right
9062         values.
9063         * testsuite/script_test_2.t: Define test_addr_alias and
9064         test_addr.
9066 2008-07-24  Ian Lance Taylor  <iant@google.com>
9068         PR 5990
9069         * descriptors.cc: New file.
9070         * descriptors.h: New file.
9071         * gold-threads.h (class Hold_optional_lock): New class.
9072         * fileread.cc: Include "descriptors.h".
9073         (File_read::~File_read): Release descriptor rather than closing
9074         it.
9075         (File_read::open) [file]: Call open_descriptor rather than open.
9076         Set is_descriptor_opened_.
9077         (File_read::open) [memory]: Assert that descriptor is not open.
9078         (File_read::reopen_descriptor): New function.
9079         (File_read::release): Release descriptor.
9080         (File_read::do_read): Make non-const.  Reopen descriptor.
9081         (File_read::read): Make non-const.
9082         (File_read::make_view): Reopen descriptor.
9083         (File_read::do_readv): Likewise.
9084         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9085         Update declarations.
9086         * layout.cc: Include "descriptors.h".
9087         (Layout::create_build_id): Use open_descriptor rather than open.
9088         * output.cc: Include "descriptors.h".
9089         (Output_file::open): Use open_descriptor rather than open.
9090         * archive.cc (Archive::const_iterator): Change Archive to be
9091         non-const.
9092         (Archive::begin, Archive::end): Make non-const.
9093         (Archive::count_members): Likewise.
9094         * archive.h (class Archive): Update declarations.
9095         * object.h (Object::read): Make non-const.
9096         * Makefile.am (CCFILES): Add descriptors.cc.
9097         (HFILES): Add descriptors.h.
9098         * Makefile.in: Rebuild.
9100         PR 6716
9101         * gold.h: Always include <clocale>.  Add Solaris workarounds
9102         following code in binutils/sysdep.h.
9104         PR 6048
9105         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9106         this->eh_frame_hdr_ is NULL before using it.
9108         * dynobj.cc (Versions::Versions): Update comment.
9110         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9111         the base version name.
9113         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9114         array size plus one.
9115         (Stringpool_template::set_string_offsets): Subtract one from key
9116         before using it as an array index.
9117         (Stringpool_template::get_offset_with_length): Likewise.
9118         (Stringpool_template::write_to_buffer): Likewise.
9119         * stringpool.h (Stringpool_template::get_offset_from_key):
9120         Likewise.
9122 2008-07-23  Ian Lance Taylor  <iant@google.com>
9124         PR 6658
9125         * object.h (Merged_symbol_value::value): Do our best to handle a
9126         negative addend.
9128         PR 6647
9129         * script.cc (Version_script_info::get_versions): Don't add empty
9130         version tag to return value.
9131         (Version_script_info::get_symbol_version_helper): Change return
9132         type to bool.  Add pversion parameter.  Change all callers.
9133         (script_register_vers_node): Don't require a non-NULL tag.
9134         * script.h (class Version_script_info): Update declarations.
9135         (Version_script_info::get_symbol_version): Change return type to
9136         bool.  Add version parameter.  Change all callers.
9137         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9138         handling.  Handle an empty version from a version script.
9139         (Symbol_table::define_special_symbol): Likewise.
9140         * testsuite/ver_test_10.script: New file.
9141         * testsuite/ver_test_10.sh: New file.
9142         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9143         (check_DATA): Add ver_test_10.syms.
9144         (ver_test_10.syms, ver_test_10.so): New target.
9145         * testsuite/Makefile.in: Rebuild.
9147 2008-07-23  Simon Baldwin  <simonb@google.com>
9149         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9150         to zero for undefined symbols from dynamic libraries.
9152 2008-07-23  Ian Lance Taylor  <iant@google.com>
9154         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9155         Change all callers.
9156         * symtab.h (class Symbol_table): Update declaration.
9157         * testsuite/ver_test_9.cc: New file.
9158         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9159         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9160         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9161         (ver_test_9.so, ver_test_9.o): New targets.
9162         * testsuite/Makefile.in: Rebuild.
9164 2008-07-22  Ian Lance Taylor  <iant@google.com>
9166         * options.h (class General_options): Define --check-sections.
9167         * layout.cc (Layout::set_segment_offsets): Handle
9168         --check-sections.
9170         * options.h (class General_options): Define -n/--nmagic and
9171         -N/--omagic.
9172         * options.cc (General_options::finalize): For -n/--nmagic or
9173         -N/--omagic, set -static.
9174         * layout.cc (Layout::attach_allocated_section_to_segment): If
9175         -N/--omagic, don't put read-only and read-write sections in
9176         different segments.
9177         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9178         finding a read-only segment.
9179         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9180         don't set the minimum segment alignment to the common page size,
9181         and don't set the file offset to the address modulo the page size.
9182         * script-sections.cc (Script_sections::create_segments): If
9183         -n/--omagic, don't put read-only and read-write sections in
9184         different segments.
9186         * cref.cc: New file.
9187         * cref.h: New file.
9188         * options.h (class General_options): Add --print-symbol-counts.
9189         * main.cc (main): Issue defined symbol report if requested.
9190         * archive.cc (Archive::interpret_header): Make into a const member
9191         function.
9192         (Archive::add_symbols): Call Input_objects::archive_start and
9193         archive_stop.
9194         (Archive::const_iterator): Define new class.
9195         (Archive::begin, Archive::end): New functions.
9196         (Archive::include_all_members): Rewrite to use iterator.
9197         (Archive::count_members): New function.
9198         * archive.h (class Archive): Update declarations.
9199         (Archive::filename): New function.
9200         * object.cc: Include "cref.h".
9201         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9202         (Sized_relobj::do_get_global_symbol_counts): New function.
9203         (Input_objects::add_object): Add object to cross-referencer.
9204         (Input_objects::archive_start): New function.
9205         (Input_objects::archive_stop): New function.
9206         (Input_objects::print_symbol_counts): New function.
9207         * object.h: Declare Cref and Archive.
9208         (Object::get_global_symbol_counts): New function.
9209         (Object::do_get_global_symbol_counts): New pure virtual function.
9210         (class Sized_relobj): Add defined_count_ field.  Update
9211         declarations.
9212         (class Input_objects): Add cref_ field.  Update constructor.
9213         Update declarations.
9214         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9215         defined_count_.
9216         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9217         symbol counts.
9218         (Sized_dynobj::do_get_global_symbol_counts): New function.
9219         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9220         defined_count_.  Update declarations.  Define Symbols typedef.
9221         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9222         parameter.  Change all callers.
9223         (Symbol_table::add_from_dynobj): Add sympointers and defined
9224         parameters.  Change all callers.
9225         * symtab.h (class Symbol_table): Update declarations.
9226         * Makefile.am (CCFILES): Add cref.cc.
9227         (HFILES): Add cref.h.
9228         * Makefile.in: Rebuild.
9230 2008-07-22  Simon Baldwin  <simonb@google.com>
9232         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9233         to zero when writing undefined symbols.
9235 2008-07-22  Ian Lance Taylor  <iant@google.com>
9237         * output.cc (Output_section::add_input_section): Don't try to
9238         merge empty merge sections.
9240 2008-07-21  Craig Silverstein  <csilvers@google.com>
9242         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9243         Include symbol version in error message.
9245 2008-07-20  Chris Demetriou  <cgd@google.com>
9247         * configure.ac (gold_cv_c_random_seed): New configured variable.
9248         (RANDOM_SEED_CFLAGS): New substituted variable.
9249         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9250         * configure: Rebuild.
9251         * Makefile.in: Likewise.
9252         * testsuite/Makefile.in: Likewise.
9254 2008-07-18  Ian Lance Taylor  <iant@google.com>
9256         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9257         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9258         * testsuite/ver_test_main.cc (main): Call t4.
9259         (t4, t4_2a): Define.
9260         * testsuite/ver_test_2.cc (t4_2): Define.
9261         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9262         * testsuite/ver_test_4.cc (t4_2a): Define.
9263         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9264         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9266 2008-07-17  Ian Lance Taylor  <iant@google.com>
9268         * dynobj.cc (Versions::add_def): If we give an error about a
9269         missing version, go ahead and create the version anyhow.
9271 2008-07-10  Ian Lance Taylor  <iant@google.com>
9273         Handle output sections with more than 0x7fffffff bytes.
9274         * object.h (class Relobj): Change map_to_output_ to
9275         output_sections_, and just keep a section pointer.  Change all
9276         uses.  Move comdat group support to Sized_relobj.
9277         (Relobj::is_section_specially_mapped): Remove.
9278         (Relobj::output_section): Remove poff parameter.  Change all
9279         callers.
9280         (Relobj::output_section_offset): New function.
9281         (Relobj::set_section_offset): Rewrite.
9282         (Relobj::map_to_output): Remove.
9283         (Relobj::output_sections): New function.
9284         (Relobj::do_output_section_offset): New pure virtual function.
9285         (Relobj::do_set_section_offset): Likewise.
9286         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9287         group support from Relobj.  Update declarations.
9288         (Sized_relobj::get_output_section_offset): New function.
9289         (Sized_relobj::do_output_section_offset): New function.
9290         (Sized_relobj::do_set_section_offset): New function.
9291         * object.cc (Relobj::output_section_address): Remove.
9292         (Sized_relobj::Sized_relobj): Initialize new fields.
9293         (Sized_relobj::include_section_group): Cast find_kept_object to
9294         Sized_relobj.
9295         (Sized_relobj::include_linkonce_section): Likewise.
9296         (Sized_relobj::do_layout): Use separate arrays for output section
9297         and output offset.
9298         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9299         output_sections.
9300         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9301         output_sections and section_offsets.
9302         (Sized_relobj::write_local_symbols): Likewise.
9303         (map_to_kept_section): Compute output address directly.
9304         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9305         output_sections and section_offsets.
9306         (Sized_relobj::write_sections): Likewise.
9307         (Sized_relobj::relocate_sections): Likewise.
9308         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9309         * output.h (class Output_reloc): Update declarations.  Change
9310         u2_.relobj to Sized_relobj*.
9311         (class Output_data_reloc): Change add functions to use
9312         Sized_relobj*.
9313         * output.cc (Output_reloc::Output_reloc): Change relobj to
9314         Sized_relobj*.
9315         (Output_reloc::local_section_offset): Change return type to
9316         Elf_Addr.  Use get_output_section_offset.
9317         (Output_reloc::get_address): Likewise.
9318         (Output_section::is_input_address_mapped): Don't call
9319         is_section_specially_mapped.
9320         (Output_section::output_offset): Likewise.
9321         (Output_section::output_address): Likewise.
9322         (Output_section::starting_output_address): Likewise.
9323         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
9324         parameter to Sized_relobj*.
9325         (Copy_relocs::need_copy_reloc): Likewise.
9326         (Copy_relocs::save): Likewise.
9327         * copy-relocs.h (class Copy_relocs): Update declarations.
9328         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
9329         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
9330         * target-reloc.h (relocate_for_relocatable): Change
9331         offset_in_output_section type to Elf_Addr.  Change code that uses
9332         it as well.
9333         * layout.cc (Layout::layout): Always set *off.
9334         * mapfile.cc (Mapfile::print_input_section): Use
9335         output_section_offset.
9336         * i386.cc (Target_i386::copy_reloc): Change object parameter to
9337         Sized_relobj*.
9338         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
9339         * sparc.cc (Target_sparc::copy_reloc): Likewise.
9340         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
9342 2008-07-03  Ian Lance Taylor  <iant@google.com>
9344         * layout.cc (Layout::include_section): Do not discard unrecognized
9345         SHT_STRTAB sections.
9347 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
9349         * script.cc (Lex::can_continue_name): Make '?' allowable in
9350         version-script names.
9351         * testsuite/version_script.map: Change glob pattern to use '?'
9353 2008-06-30  Manish Singh  <yosh@gimp.org>
9355         PR 6585
9356         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
9357         Correct typo.
9359 2008-06-30  Ian Lance Taylor  <iant@google.com>
9361         PR 6660
9362         PR 6682
9363         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
9364         versions]: Don't try to read the value in the contents, since we
9365         don't use it.  Use the template endianness when writing.
9367 2008-06-25  Cary Coutant  <ccoutant@google.com>
9369         * fileread.cc (File_read::make_view): Assert on zero-length view.
9370         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
9371         symbol table when there are no symbols to read.
9373 2008-06-23  Craig Silverstein  <csilvers@google.com>
9375         * version.cc (version_string): Bump to 1.7
9377 2008-06-18  Craig Silverstein  <csilvers@google.com>
9379         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
9380         constant 0xFFFF to type Valtype.
9381         (Powerpc_relocate_functions::rel16_ha): Likewise.
9383 2008-06-17  Ian Lance Taylor  <iant@google.com>
9385         * output.h (Output_section::Input_section): Initialize p2align_ to
9386         zero for Output_section_data constructors.
9387         (Output_section::Input_section::addralign): If not an input
9388         section, return the alignment of the Output_section_data.
9389         * testsuite/copy_test.cc: New file.
9390         * testsuite/copy_test_1.cc: New file.
9391         * testsuite/copy_test_2.cc: New file.
9392         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
9393         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
9394         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
9395         (copy_test_1_pic.o, copy_test_1.so): New targets.
9396         (copy_test_2_pic.o, copy_test_2.so): New targets.
9397         * testsuite/Makefile.in: Rebuild.
9399         * script-sections.cc (Script_sections::place_orphan): Initialize
9400         local variable exact.
9402 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
9404         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
9406 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
9407             David S. Miller  <davem@davemloft.net>
9409         * powerpc.cc: New file.
9410         * Makefile.am (TARGETSOURCES): Add powerpc.cc
9411         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
9412         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
9413         * Makefile.in: Rebuild.
9415 2008-06-09  Ian Lance Taylor  <iant@google.com>
9417         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
9418         <exception>.
9419         (throwing, orig_terminate): New static variables.
9420         (terminate_handler): New static function.
9421         (t2): Set terminate handler.
9423 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
9425         PR 6584
9426         * binary.cc (Binary_to_elf::sized_convert): Fix .data
9427         alignment.
9429 2008-05-30  Cary Coutant  <ccoutant@google.com>
9431         * archive.cc (Archive::include_all_members) Correct to step
9432         over symbol table and extended name table in thin archives.
9434 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
9436         PR 6407
9437         * target-reloc.h (relocate_for_relocatable): Fix new_offset
9438         calculation.
9440 2008-05-28  Caleb Howe  <cshowe@google.com>
9442         * reduced_debug_output.cc: New file.
9443         * reduced_debug_output.h: New file.
9444         * options.h (class General_options): Add --strip-debug-non-line.
9445         * options.cc (General_options::finalize): Add strip_debug_non_line
9446         to the strip heirarchy.
9447         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
9448         fields.
9449         * layout.cc: Include "reduced_debug_output.h".
9450         (Layout::Layout): Initialize new fields.
9451         (line_only_debug_sections): New static array.
9452         (is_lines_only_debug_sections): New static inline function.
9453         (Layout::include_section): Handle --strip-debug-non-line.
9454         (Layout::make_output_section): If --strip-debug-non-line, build
9455         new output sections for .debug_abbrev and .debug_info.
9456         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
9457         gold.  Warn about possible overflow.
9458         (read_signed_LEB_128): Likewise.
9459         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
9460         (read_signed_LEB_128): Declare.
9461         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
9462         (HFILES): Add reduced_debug_output.h.
9463         * Makefile.in: Rebuild.
9465 2008-05-21  Ian Lance Taylor  <iant@google.com>
9467         * mapfile.cc: New file.
9468         * mapfile.h: New file.
9469         * options.h (class General_options): Add -M/--print-map and -Map.
9470         * options.cc (General_options::finalize): Make -M equivalent to
9471         -Map -.
9472         * main.cc: Include <cstdio> and "mapfile.h".
9473         (main): Open mapfile if requested.
9474         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
9475         constructor.  Change caller.
9476         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9477         (queue_middle_tasks): Likewise.
9478         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9479         declarations.
9480         * archive.cc: Include "mapfile.h".
9481         (Archive::add_symbols): Add mapfile parameter.  Change all
9482         callers.  Pass mapfile, symbol, and reason to include_member.
9483         (Archive::include_all_members): Add mapfile parameter.  Change all
9484         callers.
9485         (Archive::include_member): Add mapfile, sym, and why parameters.
9486         Change all callers.  Report inclusion to map file.
9487         * archive.h: Include "fileread.h".
9488         (class Archive): Update declarations.
9489         (Archive::file): New const method.
9490         (class Add_archive_symbols): Add mapfile_ field.  Update
9491         constructor.  Change all callers.
9492         * readsyms.h (class Read_symbols): Likewise.
9493         (class Finish_group): Likewise.
9494         (class Read_script): Likewise.
9495         * common.cc: Include "mapfile.h".
9496         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9497         all callers.
9498         (Symbol_table::do_allocate_commons): Likewise.
9499         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9500         symbol allocation to mapfile.
9501         * common.h (class Allocate_commons_task): Add mapfile_ field.
9502         Update constructor.  Change all callers.
9503         * symtab.h (class Symbol_table): Update declarations.
9504         * layout.cc: Include "mapfile.h".
9505         (Layout_task_runner::run): Print information to mapfile.
9506         (Layout::create_gold_note): Change Output_data_fixed_space to
9507         Output_data_zero_fill.
9508         (Layout::create_build_id): Likewise.
9509         (Layout::print_to_mapfile): New function.
9510         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9511         constructor.  Change caller.
9512         (class Layout): Declare print_to_mapfile.
9513         * output.cc (Output_section::Input_section::print_to_mapfile): New
9514         function.
9515         (Output_section::add_input_section): If producing a map, always
9516         add to input_sections_ list.
9517         (Output_section::do_print_to_mapfile): New function.
9518         (Output_segment::print_sections_to_mapfile): New function.
9519         (Output_segment::print_section_list_to_mapfile): New function.
9520         * output.h: Include "mapfile.h".
9521         (Output_data::print_to_mapfile): New function.
9522         (Output_data::do_print_to_mapfile): New virtual function.
9523         (Output_segment_headers::do_print_to_mapfile): New function.
9524         (Output_file_header::do_print_to_mapfile): New function.
9525         (Output_data_const::do_print_to_mapfile): New function.
9526         (class Output_data_const_buffer): Add map_name_ field.  Update
9527         constructor.  Change all callers.  Add do_print_to_mapfile
9528         function.
9529         (class Output_data_fixed_space): Likewise.
9530         (class Output_data_space): Likewise.
9531         (class Output_data_zero_fill): New class.
9532         (Output_data_strtab::do_print_to_mapfile): New function.
9533         (Output_data_reloc_base::do_print_to_mapfile): New function.
9534         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9535         (Output_data_group::do_print_to_mapfile): New function.
9536         (Output_data_got::do_print_to_mapfile): New function.
9537         (Output_data_dynamic::do_print_to_mapfile): New function.
9538         (Output_symtab_xindex::do_print_to_mapfile): New function.
9539         (class Output_section): Declare do_print_to_mapflie.  Declare
9540         print_to_mapfile in Input_section.
9541         (class Output_segment): Declare new functions.
9542         * object.h (Sized_relobj::symbol_count): New function.
9543         * script-sections.cc
9544         (Output_section_element_dot_assignment::set_section_addresses):
9545         Change Output_data_fixed_space to Output_data_zero_fill.
9546         (Output_data_expression::do_print_to_mapfile): New function.
9547         * script.cc (read_input_script): Add mapfile parameter.  Change
9548         all callers.
9549         * script.h (read_input_script): Update declaration.
9550         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9551         (Eh_frame::do_print_to_mapfile): New function.
9552         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9553         (Output_merge_string::do_print_to_mapfile): New function.
9554         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9555         function.
9556         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9557         function.
9558         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9559         function.
9560         * Makefile.am (CCFILES): Add mapfile.cc.
9561         (HFILES): Add mapfile.h.
9562         * Makefile.in: Rebuild.
9564 2008-05-19  Ian Lance Taylor  <iant@google.com>
9566         * options.h (class General_options): Add -z relro.
9567         * layout.cc (Layout::Layout): Initialize relro_segment_.
9568         (Layout::add_output_section_data): Return the output section.
9569         (Layout::make_output_section): Rcognize relro sections and mark
9570         them appropriately.
9571         (Layout::attach_allocated_section_to_segment): Put relro sections
9572         in a PT_GNU_RELRO segment.
9573         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9574         section as relro.
9575         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9576         PT_TLS segments.
9577         (Layout::linkonce_mapping): Map d.rel.ro.local to
9578         .data.rel.ro.local.
9579         (Layout::output_section_name): Us .data.rel.ro.local for any
9580         section which begins with that.
9581         * layout.h (class Layout): Update add_output_section_data
9582         declaration.  Add relro_segment_ field.
9583         * output.cc (Output_section::Output_section): Initialize is_relro_
9584         and is_relro_local_ fields.
9585         (Output_segment::add_output_section): Group relro sections.
9586         (Output_segment::is_first_section_relro): New function.
9587         (Output_segment::maximum_alignment): If there is a relro section,
9588         align the segment to the common page size.
9589         (Output_segment::set_section_addresses): Track whether we are
9590         looking at relro sections.  If the last section is a relro
9591         section, align to the common page size.
9592         (Output_segment::set_section_list_addresses): Add in_relro
9593         parameter.  Change all callers.  Align to the page size when
9594         moving from relro to non-relro section.
9595         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9596         segment.
9597         * output.h (class Output_section): Add is_relro_ and
9598         is_relro_local_ fields.
9599         (Output_section::is_relro): New function.
9600         (Output_section::set_is_relro): New function.
9601         (Output_section::is_relro_local): New function.
9602         (Output_section::set_is_relro_local): New function.
9603         (class Output_segment): Update declarations.
9604         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9605         * sparc.cc (Target_sparc::got_section): Likewise.
9606         * x86_64.cc (Target_x86_64::got_section): Likewise.
9607         * testsuite/relro_test_main.cc: New file.
9608         * testsuite/relro_test.cc: New file.
9609         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9610         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9611         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9612         (relro_test.so, relro_test_pic.o): New targets.
9613         * testsuite/Makefile.in: Rebuild.
9615 2008-05-16  Ian Lance Taylor  <iant@google.com>
9617         * output.cc (Output_segment::add_output_section): Remove front
9618         parameter.
9619         * output.h (class Output_segment): Remove
9620         add_initial_output_section and overloaded add_output_section.
9621         Update declaration of remaining add_output_section.
9622         * layout.cc (Layout::create_interp): Call add_output_section
9623         rather than add_initial_output_section.
9624         (Layout::finish_dynamic_section): Likewise.
9626         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9627         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9628         know the dynamic type.
9629         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9630         field.  Initialize it in constructor.
9631         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9632         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9633         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9634         reloc.
9636         * output.cc (Output_reloc::get_address): Change return type to
9637         Elf_Addr.
9638         * output.h (class Output_reloc): Update get_address declaration.
9639         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9640         for section addresses.
9642 2008-05-09  Ian Lance Taylor  <iant@google.com>
9644         PR 6493
9645         * gold.cc (gold_nomem): Use return value of write.
9647 2008-05-08  Ian Lance Taylor  <iant@google.com>
9649         * symtab.c (Symbol::init_base_output_data): Add version
9650         parameter.  Change all callers.
9651         (Symbol::init_base_output_segment): Likewise.
9652         (Symbol::init_base_constant): Likewise.
9653         (Symbol::init_base_undefined): Likewise.
9654         (Sized_symbol::init_output_data): Likewise.
9655         (Sized_symbol::init_output_segment): Likewise.
9656         (Sized_symbol::init_constant): Likewise.
9657         (Sized_symbol::init_undefined): Likewise.
9658         (Symbol_table::do_define_in_output_data): If the new symbol has a
9659         version, mark it as the default.
9660         (Symbol_table::do_define_in_output_segment): Likewise.
9661         (Symbol_table::do_define_as_constant): Likewise.
9662         * symtab.h (class Symbol): Update declarations.
9663         (class Sized_symbol): Likewise.
9664         * resolve.cc (Symbol::override_version): New function.
9665         (Symbol::override_base): Call override_version.
9666         (Symbol::override_base_with_special): Likewise.
9667         * testsuite/ver_script_8.script: New file.
9668         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9669         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9670         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9671         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9673 2008-05-06  Ian Lance Taylor  <iant@google.com>
9675         PR 6049
9676         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9677         functions.
9678         (class General_options): Remove existing --undefined, and add
9679         --no-undefined instead.  Add new --undefined as synonym for -u.
9680         * archive.cc (Archive::add_symbols): Check whether symbol was
9681         named with -u.
9682         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9683         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9684         all uses.  Add IS_UNDEFINED.  Update declarations to split
9685         different versions of init_base.  Declare init_base_undefined.
9686         (Symbol::is_defined): Handle IS_UNDEFINED.
9687         (Symbol::is_undefined): Likewise.
9688         (Symbol::is_weak_undefined): Call is_undefined.
9689         (Symbol::is_absolute): Handle IS_CONSTANT.
9690         (class Sized_symbol): Update declarations to split different
9691         versions of init.  Declare init_undefined.
9692         (class Symbol_table): Declare new functions.
9693         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9694         Change all callers.
9695         (Symbol::init_base_output_data): Likewise.
9696         (Symbol::init_base_output_segment): Likewise.
9697         (Symbol::init_base_constant): Likewise.
9698         (Symbol::init_base_undefined): New function.
9699         (Sized_symbol::init_object): Rename from init.  Change all
9700         callers.
9701         (Sized_symbol::init_output_data): Likewise.
9702         (Sized_symbol::init_output_segment): Likewise.
9703         (Sized_symbol::init_constant): Likewise.
9704         (Sized_symbol::init_undefined): New function.
9705         (Symbol_table::add_undefined_symbols_from_command_line): New
9706         function.
9707         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9708         function.
9709         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9710         (Symbol::output_section): Likewise.
9711         (Symbol::set_output_section): Likewise.
9712         (Symbol_table::sized_finalize_symbol): Likewise.
9713         (Symbol_table::sized_write_globals): Likewise.
9714         * resolve.cc (Symbol_table::should_override): Likewise.
9715         (Symbol::override_base_with_special): Likewise.
9717         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9718         symbol, change it to have default visibility.
9719         * testsuite/protected_1.cc: New file.
9720         * testsuite/protected_2.cc: New file.
9721         * testsuite/protected_3.cc: New file.
9722         * testsuite/protected_main_1.cc: New file.
9723         * testsuite/protected_main_2.cc: New file.
9724         * testsuite/protected_main_3.cc: New file.
9725         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9726         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9727         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9728         (protected_1.so): New target.
9729         (protected_1_pic.o, protected_2_pic.o): New targets.
9730         (protected_3_pic.o): New target.
9731         (check_PROGRAMS): Add protected_2.
9732         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9733         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9734         * testsuite/Makefile.in: Rebuild.
9736         * options.h (DEFINE_var): Add set_user_set_##varname__.
9737         (DEFINE_bool_alias): New macro.
9738         (class General_options): Define -Bstatic using DEFINE_bool_alias
9739         rather than DEFINE_special.  Add --undefined as an alias for -z
9740         defs.
9741         * options.cc (General_options::parse_Bstatic): Remove.
9743         * options.h (class General_options): Add --fatal-warnings.
9744         * main.cc (main): Implement --fatal-warnings.
9745         * errors.h (Errors::warning_count): New function.
9747         * options.h (class General_options): Add -Bsymbolic-functions.
9748         * symtab.h (Symbol::is_preemptible): Check for
9749         -Bsymbolic-functions.
9751 2008-05-05  Ian Lance Taylor  <iant@google.com>
9753         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9754         as noVARNAME rather than no-VARNAME.
9755         (class General_options): Add option -z combreloc.
9756         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9757         get_address.
9758         (Output_reloc::sort_before) [SHT_REL]: New function.
9759         (Output_reloc::sort_before) [SHT_RELA]: New function.
9760         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9761         Sort_relocs_comparison.
9762         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9763         parameter.  Change all callers.
9764         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9765         sort_relocs parameter.  Change all callers.
9766         * output.cc (Output_reloc::get_address): New function, broken out
9767         of write_rel.
9768         (Output_reloc::write_rel): Call it.
9769         (Output_reloc::compare): New function.
9770         (Output_data_reloc_base::do_write): Optionally sort relocs.
9772         * configure.ac: If targ_extra_obj is set, link it in.
9773         * configure.tgt: Initialize all variables.
9774         (x86_64*): Set targ_extra_obj and targ_extra_size.
9775         * configure: Rebuild.
9777         * object.cc (Sized_relobj::include_section_group): Adjust section
9778         indexes read from group data.  Build vector to pass to
9779         layout_group.
9780         * layout.cc (Layout::layout_group): Add flags and shndxes
9781         parameters.  Remove contents parameter.  Change caller.  Update
9782         explicit instantiations.
9783         * layout.h (class Layout): Update layout_group declaration.
9784         * output.cc (Output_data_group::Output_data_group): Add flags and
9785         input_shndxes parameters.  Remove contents parameter.  Change
9786         caller.
9787         (Output_data_group::do_write): Change input_sections_ to
9788         input_shndxes_.
9789         * output.h (class Output_data_group): Update constructor
9790         declaration.  Rename input_sections_ to input_shndxes_.
9791         * testsuite/many_sections_test.cc: Add template.
9793 2008-04-30  Cary Coutant  <ccoutant@google.com>
9795         * target-reloc.h (relocate_section): Fix dead-pointer bug.
9797         * layout.cc (Layout::include_section): Refactored check for debug
9798         info section.
9799         (Layout::add_comdat): Add new parameters.  Change type
9800         of signature parameter.  Add object and shndx to signatures table.
9801         (Layout::find_kept_object): New function.
9802         * layout.h: Include <cstring>.
9803         (Layout::is_debug_info_section): New function.
9804         (Layout::add_comdat): Add new parameters.
9805         (Layout::find_kept_object): New function.
9806         (Layout::Kept_section): New struct.
9807         (Layout::Signatures): Change type of map range.
9808         * object.cc (Relobj::output_section_address): New function.
9809         (Sized_relobj::include_section_group): Add new parameters.  Change
9810         calls to Layout::add_comdat.  Change to build table of kept comdat
9811         groups and table mapping discarded sections to kept sections.
9812         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
9813         (Sized_relobj::do_layout): Change calls to include_section_group and
9814         include_linkonce_section.
9815         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
9816         value to zero when section is discarded.
9817         (Sized_relobj::map_to_kept_section): New function.
9818         * object.h (Relobj::output_section_address): New function.
9819         (Relobj::Comdat_group): New type.
9820         (Relobj::find_comdat_group): New function.
9821         (Relobj::Comdat_group_table): New type.
9822         (Relobj::Kept_comdat_section): New type.
9823         (Relobj::Kept_comdat_section_table): New type.
9824         (Relobj::add_comdat_group): New function.
9825         (Relobj::set_kept_comdat_section): New function.
9826         (Relobj::get_kept_comdat_section): New function.
9827         (Relobj::comdat_groups_): New field.
9828         (Relobj::kept_comdat_sections_): New field.
9829         (Symbol_value::input_value): Update comment.
9830         (Sized_relobj::map_to_kept_section) New function.
9831         (Sized_relobj::include_linkonce_section): Add new parameter.
9832         * target-reloc.h (Comdat_behavior): New type.
9833         (get_comdat_behavior): New function.
9834         (relocate_section): Add code to map a discarded section to the
9835         corresponding kept section when applying a relocation.
9837 2008-04-30  Craig Silverstein  <csilvers@google.com>
9839         * dwarf_reader.cc (next_generation_count): New static var.
9840         (Addr2line_cache_entry): New struct.
9841         (addr2line_cache): New static var.
9842         (Dwarf_line_info::one_addr2line): Added caching.
9843         (Dwarf_line_info::clear_addr2line_cache): New function.
9844         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
9845         cache-size parameter.
9846         (Dwarf_line_info::one_addr2line_cache): New function.
9847         * symtab.cc (Symbol_table::detect_odr_violations): Pass
9848         new cache-size argument to one_addr2line(), and clear cache.
9850 2008-04-28  Cary Coutant  <ccoutant@google.com>
9852         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
9853         R_386_PC8 relocations.
9855 2008-04-23  Ian Lance Taylor  <iant@google.com>
9857         * object.cc (Sized_relobj::include_section_group): Check for
9858         invalid section group.
9860         * object.cc (make_elf_object): Correct test for 64-bit ELF file
9861         header size.
9863         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
9864         than read for file header.
9865         * archive.cc (Archive::include_member): Likewise.
9867 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
9869         * aclocal.m4: Regenerate.
9870         * configure: Regenerate.
9872 2008-04-19  Ian Lance Taylor  <iant@google.com>
9874         * version.cc (version_string): Bump to 1.6.
9876         * testsuite/Makefile.am (many_sections_r_test): New target.
9877         (many_sections_r_test_SOURCES): Remove.
9878         (many_sections_r_test_DEPENDENCIES): Remove.
9879         (many_sections_r_test_LDFLAGS): Remove.
9880         (many_sections_r_test_LDADD): Remove.
9882         * object.cc (Sized_relobj::do_add_symbols): Always pass
9883         local_symbol_count_ to add_from_relobj.
9885         * testsuite/Makefile.am (many_sections_check.h): Only check one in
9886         every thousand variables.
9887         * testsuite/Makefile.in: Rebuild.
9889         * object.cc (Xindex::initialize_symtab_xindex): New function.
9890         (Xindex::read_symtab_xindex): New function.
9891         (Xindex::sym_xindex_to_shndx): New function.
9892         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
9893         available.
9894         (Sized_relobj::do_initialize_xindex): New function.
9895         (Sized_relobj::do_read_symbols): Adjust section links.
9896         (Sized_relobj::symbol_section_and_value): Add is_ordinary
9897         parameter.  Change all callers.
9898         (Sized_relobj::include_section_group): Adjust section links and
9899         symbol section indexes.
9900         (Sized_relobj::do_layout): Adjust section links.
9901         (Sized_relobj::do_count_local_symbols): Adjust section links and
9902         symbol section indexes.
9903         (Sized_relobj::do_finalize_local_symbols): Distinguish between
9904         ordinary and special symbols.
9905         (Sized_relobj::write_local_symbols): Add symtab_xindex and
9906         dynsym_xindex parameters.  Change all callers.  Adjust section
9907         links.  Use SHN_XINDEX when needed.
9908         (Sized_relobj::get_symbol_location_info): Adjust section links.
9909         Don't get fooled by special symbols.
9910         * object.h (class Xindex): Define.
9911         (class Object): Add xindex_ parameter.  Declare virtual functoin
9912         do_initialize_xindex.
9913         (Object::adjust_sym_shndx): New function.
9914         (Object::set_xindex): New protected function.
9915         (class Symbol_value): Add is_ordinary_shndx_ field.
9916         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
9917         (Symbol_value::value): Assert ordinary section.
9918         (Symbol_value::initialize_input_to_output_map): Likewise.
9919         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
9920         Change all callers.
9921         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
9922         all callers.
9923         (class Sized_relobj): Update declarations.
9924         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
9925         parameter.  Change all callers.
9926         (Sized_relobj::adjust_shndx): New function.
9927         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
9928         field.
9929         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
9930         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
9931         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
9932         (Sized_dynobj::read_dynsym_section): Adjust section links.
9933         (Sized_dynobj::read_dynamic): Likewise.
9934         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
9935         section links.
9936         (Sized_dynobj::do_initialize_xindex): New function.
9937         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
9938         do_initialize_xindex.
9939         (Sized_dynobj::adjust_shndx): New function.
9940         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
9941         dynsym_xindex_ fields.
9942         (Layout::finalize): Add a call to set_section_indexes before
9943         creating the symtab sections.
9944         (Layout::set_section_indexes): Don't do anything if the section
9945         already has a section index.
9946         (Layout::create_symtab_sections): Add shnum parameter.  Change
9947         caller.  Create .symtab_shndx section if needed.
9948         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
9949         caller.
9950         (Layout::allocated_output_section_count): New function.
9951         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
9952         needed.
9953         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
9954         fields.  Update declarations.
9955         (Layout::symtab_xindex): New function.
9956         (Layout::dynsym_xindex): New function.
9957         (class Write_symbols_task): Add layout_ field.
9958         (Write_symbols_task::Write_symbols_task): Add layout parameter.
9959         Change caller.
9960         * output.cc (Output_section_headers::Output_section_headers): Add
9961         shstrtab_section parameter.  Change all callers.
9962         (Output_section_headers::do_sized_write): Store overflow values
9963         for section count and section string table section index in
9964         section header zero.
9965         (Output_file_header::do_sized_write): Check for overflow of
9966         section count and section string table section index.
9967         (Output_symtab_xindex::do_write): New function.
9968         (Output_symtab_xindex::endian_do_write): New function.
9969         * output.h (class Output_section_headers): Add shstrtab_section_.
9970         Update declarations.
9971         (class Output_symtab_xindex): Define.
9972         (Output_section::has_out_shndx): New function.
9973         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
9974         field.
9975         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
9976         Change all callers.
9977         (Sized_symbol::init): Likewise.
9978         (Symbol::output_section): Check for ordinary symbol.
9979         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
9980         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
9981         callers.
9982         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
9983         Change all callers.  Simplify handling of symbols from sections
9984         not included in the link.
9985         (Symbol_table::add_from_dynobj): Handle ordinary symbol
9986         distinction.
9987         (Weak_alias_sorter::operator()): Assert that symbols are
9988         ordinary.
9989         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
9990         distinction.
9991         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
9992         parameters.  Change all callers.
9993         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
9994         symbol distinction.  Use SHN_XINDEX when needed.
9995         (Symbol_table::write_section_symbol): Add symtab_xindex
9996         parameter.  Change all callers.
9997         (Symbol_table::sized_write_section_symbol): Likewise.  Use
9998         SHN_XINDEX when needed.
9999         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10000         declarations.
10001         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10002         (Symbol::is_defined): Check is_ordinary.
10003         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10004         (Symbol::is_absolute, Symbol::is_common): Likewise.
10005         (class Sized_symbol): Update declarations.
10006         (class Symbol_table): Update declarations.
10007         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10008         parameters.  Change all callers.
10009         (Sized_symbol::override): Likewise.
10010         (Symbol_table::override): Likewise.
10011         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10012         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10013         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10014         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10015         to be in an ordinary section.
10016         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10017         object and is_ordinary parameters.  Change all callers.
10018         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10019         Change all callers.  Don't add undefined or non-ordinary symbols
10020         to reloc_map_.
10021         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10022         Change all callers.
10023         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10024         declarations.
10025         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10026         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10027         (Sized_relobj::relocate_sections): Likewise.
10028         * target-reloc.h (scan_relocs): Adjust section symbol index.
10029         (scan_relocatable_relocs): Likewise.
10030         * i386.cc (Scan::local): Check for ordinary symbols.
10031         * sparc.cc (Scan::local): Likewise.
10032         * x86_64.cc (Scan::local): Likewise.
10033         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10034         to symbol_section_and_value.
10035         * testsuite/many_sections_test.cc: New file.
10036         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10037         (check_PROGRAMS): Add many_sections_test.
10038         (many_sections_test_SOURCES): Define.
10039         (many_sections_test_DEPENDENCIES): Define.
10040         (many_sections_test_LDFLAGS): Define.
10041         (BUILT_SOURCES): Add many_sections_define.h.
10042         (many_sections_define.h): New target.
10043         (BUILT_SOURCES): Add many_sections_check.h.
10044         (many_sections_check.h): New target.
10045         (check_PROGRAMS): Add many_sections_r_test.
10046         (many_sections_r_test_SOURCES): Define.
10047         (many_sections_r_test_DEPENDENCIES): Define.
10048         (many_sections_r_test_LDFLAGS): Define.
10049         (many_sections_r_test_LDADD): Define.
10050         (many_sections_r_test.o): New target.
10051         * testsuite/Makefile.in: Rebuild.
10053 2008-04-17  Cary Coutant  <ccoutant@google.com>
10055         * errors.cc (Errors::info): New function.
10056         (gold_info): New function.
10057         * errors.h (Errors::info): New function.
10058         * gold.h (gold_info): New function.
10059         * object.cc (Input_objects::add_object): Print trace output.
10060         * options.cc (options::parse_set): New function.
10061         (General_options::parse_wrap): Deleted.
10062         (General_options::General_options): Deleted initializer.
10063         * options.h (options::String_set): New typedef.
10064         (options::parse_set): New function.
10065         (DEFINE_set): New macro.
10066         (General_options::wrap): Changed to use DEFINE_set. Changed
10067         callers of any_wrap_symbols and is_wrap_symbol.
10068         (General_options::trace, General_options::trace_symbol):
10069         New options.
10070         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10071         (General_options::wrap_symbols_): Deleted.
10072         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10074 2008-04-17  David S. Miller  <davem@davemloft.net>
10076         * options.cc (General_options::parse_V): New function.
10077         * options.h: Add entries for -V and -Qy.
10079 2008-04-17  Ian Lance Taylor  <iant@google.com>
10081         * common.cc (Symbol_table::allocate_commons): Remove options
10082         parameter.  Change caller.
10083         (Symbol_table::do_allocate_commons): Remove options parameter.
10084         Change caller.  Just call do_allocate_commons_list twice.
10085         (Symbol_table::do_allocate_commons_list): New function, broken out
10086         of do_allocate_commons.
10087         * common.h (class Allocate_commons_task): Remove options_ field.
10088         Update constructor.
10089         * symtab.cc (Symbol_table::Symbol_table): Initialize
10090         tls_commons_.
10091         (Symbol_table::add_from_object): Put TLS common symbols on
10092         tls_commons_ list.
10093         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10094         which are IN_OUTPUT_DATA.
10095         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10096         allocate_commons and do_allocate_commons declarations.  Declare
10097         do_allocate_commons_list.
10098         * gold.cc (queue_middle_tasks): Update creation of
10099         Allocate_commons_task to not pass options.
10100         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10101         (TLS_TEST_C_FLAGS): New variable.
10102         (tls_test_c_pic.o): New target.
10103         (tls_test_shared.so): Link in tls_test_c_pic.o.
10104         (tls_test_c_pic_ie.o): New target.
10105         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10106         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10107         (tls_test_c.o): New target.
10108         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10109         (tls_pic_test_LDADD): Likewise.
10110         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10111         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10112         (tls_test_c_gnu2.o): New target.
10113         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10114         tls_test_c_gnu2.o.
10115         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10116         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10117         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10118         * testsuite/tls_test.cc: Include "config.h".
10119         (t_last): Call t11_last.
10120         * testsuite/tls_test.h (t11, t11_last): Declare.
10121         * testsuite/tls_test_c.c: New file.
10122         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10123         * configure.ac: Check for OpenMP support.
10124         * configure, config.in, Makefile.in: Rebuild.
10125         * testsuite/Makefile.in: Rebuild.
10127 2008-04-16  Cary Coutant  <ccoutant@google.com>
10129         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10130         (Target_i386::tls_base_symbol_defined_): New field.
10131         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10132         (Target_i386::Scan::global): Likewise.
10133         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10134         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10135         (Target_x86_64::tls_base_symbol_defined_): New field.
10136         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10137         (Target_x86_64::Scan::global): Likewise.
10139 2008-04-16  Cary Coutant  <ccoutant@google.com>
10141         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10142         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10143         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10144         building shared libraries.
10145         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10146         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10147         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10148         * testsuite/Makefile.in: Rebuild.
10149         * testsuite/weak_undef.h: New file.
10150         * testsuite/weak_undef_file1.cc: Add extra test cases.
10151         * testsuite/weak_undef_file2.cc: Likewise.
10152         * testsuite/weak_undef_test.cc: Likewise.
10154 2008-04-16  David S. Miller  <davem@davemloft.net>
10156         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10157         Add issued_non_pic_error_ field.  Declare check_non_pic.
10158         (Target_sparc::Scan::check_non_pic): New function.
10159         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10160         (Target_sparc::Scan::global): Likewise.
10162         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10163         * configure: Rebuild.
10165         * options.h (DEFINE_enable): New macro.
10166         (new_dtags): New enable option.
10167         (initfirst, interpose, loadfltr, nodefaultlib,
10168         nodelete, nodlopen, nodump): New -z options.
10169         * layout.cc (Layout:finish_dynamic_section): If new
10170         dtags enabled, emit DT_RUNPATH.  Also, emit a
10171         DT_FLAGS_1 containing any specified -z flags.
10173 2008-04-16  Ian Lance Taylor  <iant@google.com>
10175         * copy-relocs.cc: New file.
10176         * copy-relocs.h: New file.
10177         * reloc.cc: Remove Copy_relocs code.
10178         * reloc.h: Likewise.
10179         * reloc-types.h (struct Reloc_types) [both versions]: Add
10180         get_reloc_addend_noerror.
10181         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10182         variants of add_global which take an addend which must be zero.
10183         * i386.cc: Include "copy-relocs.h".
10184         (class Target_i386): Change type of copy_relocs_ to variable,
10185         update initializer.
10186         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10187         Change all callers.
10188         (Target_i386::do_finalize_sections): Change handling of
10189         copy_relocs_.
10190         * sparc.cc: Include "copy-relocs.h".
10191         (class Target_sparc): Change type of copy_relocs_ to variable,
10192         update initializer.
10193         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10194         Change all callers.
10195         (Target_sparc::do_finalize_sections): Change handling of
10196         copy_relocs_.
10197         * x86_64.cc: Include "copy-relocs.h".
10198         (class Target_x86_64): Change type of copy_relocs_ to variable,
10199         update initializer.
10200         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10201         class.  Change all callers.
10202         (Target_x86_64::do_finalize_sections): Change handling of
10203         copy_relocs_.
10204         * Makefile.am (CCFILES): Add copy-relocs.cc.
10205         (HFILES): Add copy-relocs.h.
10207         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10209         * testsuite/script_test_4.sh: Permit leading zeroes.
10211 2008-04-15  Ian Lance Taylor  <iant@google.com>
10213         * script-sections.cc (Script_sections::create_segments): Use
10214         header_size_adjustment even when there is enough room for the
10215         headers.
10216         * testsuite/script_test_4.sh: New file.
10217         * testsuite/script_test_4.t: New file.
10218         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10219         (check_DATA): Add script_test_4.stdout.
10220         (MOSTLYCLEANFILES): Likewise.
10221         (script_test_4): New target.
10222         (script_test_4.stdout): New target.
10223         * testsuite/Makefile.in: Rebuild.
10225         * sparc.cc: Add definitions for Output_data_plt_sparc class
10226         constants.
10228 2008-04-14  David S. Miller  <davem@davemloft.net>
10230         * sparc.cc: New file.
10231         * Makefile.am (TARGETSOURCES): Add sparc.cc
10232         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10233         * configure.tgt: Document targ_extra_size and
10234         targ_extra_big_endian.  Add entries for sparc-* and
10235         sparc64-*.
10236         * configure.ac: Handle targ_extra_size and
10237         targ_extra_big_endian.
10238         * Makefile.in: Rebuild.
10239         * configure: Likewise.
10240         * po/POTFILES.in: Likewise.
10241         * po/gold.pot: Likewise.
10243 2008-04-14  Ian Lance Taylor  <iant@google.com>
10245         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10246         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10247         in the name/type/flags to section mapping.  Don't call
10248         allocate_output_section.
10249         (Layout::choose_output_section): Change parameter from adjust_name
10250         to is_input_section.  Don't permit input sections after sections
10251         are attached to segments.  Don't call allocate_output_section.
10252         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10253         not write_enable_output_section.
10254         (Layout::make_output_section): Don't push to
10255         unattached_section_list_ nor call attach_to_segment.  Call
10256         attach_section_to_segment if sections are attached.
10257         (Layout::attach_sections_to_segments): New function.
10258         (Layout::attach_section_to_segment): New function.
10259         (Layout::attach_allocated_section_to_segment): Rename from
10260         attach_to_segment.  Remove flags parameter.
10261         (Layout::allocate_output_section): Remove function.
10262         (Layout::write_enable_output_section): Remove function.
10263         * layout.h (class Layout): Update for above changes.  Add new
10264         field sections_are_attached_.
10265         * output.h (Output_section::update_flags_for_input_section): New
10266         function.
10267         * output.cc (Output_section::add_input_section): Call
10268         update_flags_for_input_section.
10269         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10271 2008-04-11  Cary Coutant  <ccoutant@google.com>
10273         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10274         thought unnecessary.
10275         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10277 2008-04-11  Ian Lance Taylor  <iant@google.com>
10279         * output.h (class Output_section_data): Remove inline definition
10280         of set_addralign.
10281         * output.cc (Output_section_data::set_addralign): New function.
10283 2008-04-11  Cary Coutant  <ccoutant@google.com>
10285         Add support for TLS descriptors for i386 and x86_64.
10286         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10287         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10288         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10289         GOT_TYPE_TLS_DESC.
10290         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10291         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10292         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10293         relocations.
10294         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10295         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10296         Fix problem with initial-exec relocations.
10297         (Target_i386::Relocate::relocate_tls): Likewise.
10298         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10299         relaxation.
10300         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10301         support for section-plus-offset dynamic table entries.
10302         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10303         (Output_data_dynamic::Dynamic_entry): Add support for
10304         section-plus-offset dynamic table entries.
10305         (Output_data_dynamic::Classification): Likewise.
10306         (Output_data_dynamic::classification_): Renamed offset_.
10307         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10308         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10309         (Target_x86_64::make_plt_section): New function.
10310         (Target_x86_64::reserve_tlsdesc_entries): New function.
10311         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10312         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10313         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10314         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10315         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10316         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10317         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10318         add extra PLT entry for TLS descriptors.
10319         (Output_data_plt_x86_64::got_): New field.
10320         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
10321         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
10322         fields.
10323         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
10324         descriptors.
10325         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
10326         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
10327         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
10328         R_386_TLS_DESC_CALL relocations.
10329         (Target_x86_64::Scan::global): Likewise.
10330         (Target_x86_64::do_finalize_sections): Add dynamic table entries
10331         for TLS descriptors.
10332         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
10333         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
10334         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
10335         GD-to-IE relaxation.
10336         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
10337         and TLS_DESCRIPTORS.
10338         * Makefile.in: Rebuild.
10339         * configure: Rebuild.
10340         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
10341         (tls_test_shared2.so): New target.
10342         (tls_shared_gd_to_ie_test_SOURCES): New variable.
10343         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
10344         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
10345         (tls_shared_gd_to_ie_test_LDADD): New variable.
10346         (tls_shared_gnu2_gd_to_ie_test): New target.
10347         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
10348         New targets.
10349         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
10350         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
10351         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
10352         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
10353         (tls_shared_gnu2_test): New target.
10354         (tls_test_gnu2_shared.so): New target.
10355         (tls_shared_gnu2_test_SOURCES): New variable.
10356         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
10357         (tls_shared_gnu2_test_LDFLAGS): New variable.
10358         (tls_shared_gnu2_test_LDADD): New variable.
10359         * testsuite/Makefile.in: Rebuild.
10360         * testsuite/Makefile.
10362 2008-04-11  Ian Lance Taylor  <iant@google.com>
10364         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
10365         justsyms.t.
10366         * testsuite/Makefile.in: Rebuild.
10368         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
10369         long.
10370         * testsuite/script_test_2.cc (main): Adjust test.
10372 2008-04-11  David S. Miller  <davem@davemloft.net>
10373             Ian Lance Taylor  <iant@google.com>
10375         * options.h (General_options): Add entries for '-Y' and
10376         '-relax'.
10377         * options.cc (General_options:finalize): If -Y was used, add those
10378         entries to the library path instead of the default "/lib" and
10379         "/usr/lib".
10381 2008-04-11  David S. Miller  <davem@davemloft.net>
10383         * testsuite/justsyms.t: Start at 0x100.
10384         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
10385         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
10386         long.
10387         * testsuite/script_test_2.cc: Adjust string and section length
10388         checks.
10390 2008-04-09  Ian Lance Taylor  <iant@google.com>
10392         PR gold/5996
10393         * script-sections.cc (Sections_element::allocate_to_segment): Add
10394         orphan parameter.
10395         (Output_section_definition::allocate_to_segment): Likewise.
10396         (Orphan_output_section::allocate_to_segment): Likewise.
10397         (Script_sections::attach_sections_using_phdrs_clause): Don't
10398         propagate non-PT_LOAD segments to orphan sections.
10399         * testsuite/Makefile.am (script_test_3.stdout): Generate using
10400         readelf rather than objdump.
10401         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
10402         .interp section and PT_INTERP segment are the same size.
10403         * testsuite/Makefile.in: Rebuild.
10405         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
10406         aliases for symbols defined in the same object.
10407         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
10408         (weak_alias_test_SOURCES): New variable.
10409         (weak_alias_test_DEPENDENCIES): New variable.
10410         (weak_alias_test_LDFLAGS): New variable.
10411         (weak_alias_test_LDADD): New variable.
10412         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
10413         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
10414         (weak_alias_test_3.o): New target.
10415         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
10416         * testsuite/weak_alias_test_main.cc: New file.
10417         * testsuite/weak_alias_test_1.cc: New file.
10418         * testsuite/weak_alias_test_2.cc: New file.
10419         * testsuite/weak_alias_test_3.cc: New file.
10421 2008-04-08  Ian Lance Taylor  <iant@google.com>
10423         * options.h (class General_options): Add --noinhibit-exec option.
10424         * main.cc (main): Check --noinhibit-exec.
10426         * options.h (class General_options): Define --wrap as a special
10427         option.  Add wrap_symbols_ field.
10428         (General_options::any_wrap_symbols): New function.
10429         (General_options::is_wrap_symbol): New function.
10430         * options.cc (General_options::parse_wrap): New function.
10431         (General_options::General_options): Initialize wrap_symbols_.
10432         * symtab.cc (Symbol_table::wrap_symbol): New function.
10433         (Symbol_table::add_from_object): Handle --wrap.
10434         * symtab.h (class Symbol_table): Declare wrap_symbol.
10435         * target.h (Target::wrap_char): New function.
10436         (Target::Target_info): Add wrap_char field.
10437         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
10438         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10439         * testsuite/testfile.cc (Target_test::test_target_info):
10440         Likewise.
10442         * errors.cc (Errors::undefined_symbol): Mention symbol version if
10443         there is one.
10445         * layout.h (class Layout): Add added_eh_frame_data_ field.
10446         * layout.cc (Layout::Layout): Initialize new field.
10447         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
10448         output section until we find a section we merged successfully.
10449         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
10450         that the size be non-zero.
10452         * merge.cc (Object_merge_map::get_output_offset): Remove inline
10453         qualifier.
10455 2008-04-08  Craig Silverstein  <csilvers@google.com>
10457         * configure.ac: Export new conditional variable HAVE_ZLIB.
10458         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
10459         on HAVE_ZLIB.
10460         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
10461         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10463 2008-04-07  Ian Lance Taylor  <iant@google.com>
10465         * version.cc (version_string): Set to "1.5".
10467         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
10468         Add issued_non_pic_error_ field.  Declare check_non_pic.
10469         (Target_x86_64::Scan::check_non_pic): New function.
10470         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
10471         (Target_x86_64::Scan::global): Likewise.
10473         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
10474         addend parameter.  Change caller.  Handle merge sections.
10475         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
10476         Address to Addend.  Don't add in the result of
10477         local_section_offset, pass down the addend and use the returned
10478         value.
10479         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10480         Update declarations of local_section_offset and symbol_value.
10481         * testsuite/two_file_test_1.cc (t18): New function.
10482         * testsuite/two_file_test_2.cc (f18): New function.
10483         * testsuite/two_file_test_main.cc (main): Call t18.
10484         * testsuite/two_file_test.h (t18, f18): Declare.
10486         * configure.ac: Don't test for objdump, c++filt, or readelf.
10487         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10488         conditionals.
10489         (TEST_READELF): New variable.
10490         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10491         (check_PROGRAMS): Add two_file_strip_test.
10492         (two_file_strip_test): New target.
10493         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10494         (two_file_same_shared_strip_test_SOURCES): New variable.
10495         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10496         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10497         (two_file_same_shared_strip_test_LDADD): New variable.
10498         (two_file_shared_strip.so): New target.
10499         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10500         (ver_test_5.syms, ver_test_7.syms): Likewise.
10501         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10502         (strip_test_3.stdout): Use TEST_OBJDUMP.
10503         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10505 2008-04-04  Cary Coutant  <ccoutant@google.com>
10507         * symtab.h (Symbol::is_weak_undefined): New function.
10508         (Symbol::is_strong_undefined): New function.
10509         (Symbol::is_absolute): New function.
10510         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10511         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10512         absolute symbols.
10513         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10514         (weak_undef_test): New target.
10515         * testsuite/Makefile.in: Rebuild.
10516         * testsuite/weak_undef_file1.cc: New file.
10517         * testsuite/weak_undef_file2.cc: New file.
10518         * testsuite/weak_undef_test.cc: New file.
10520 2008-04-03  Craig Silverstein  <csilvers@google.com>
10522         * compressed_output.h (class Output_compressed_section): Use
10523         unsigned buffer.
10524         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10525         add zlib header.
10526         (zlib_compressed_suffix): Removed.
10527         (Output_compressed_section::set_final_data_size): Use unsigned
10528         buffers.
10529         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10530         Fix linker invocation.
10531         (flagstest_o_specialfile_and_compress_debug_sections):
10532         Likewise.
10533         * testsuite/Makefile.in: Regenerated.
10535 2008-04-02  David S. Miller  <davem@davemloft.net>
10537         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10538         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10540 2008-04-02  Craig Silverstein  <csilvers@google.com>
10542         * TODO: New file.
10544 2008-04-02  Ian Lance Taylor  <iant@google.com>
10546         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10547         parameters.  Update for new key type to views_.  Change all
10548         callers.
10549         (File_read::read): Adjust for byteshift in returned view.
10550         (File_read::add_view): New function, broken out of
10551         find_and_make_view.
10552         (File_read::make_view): New function, broken out of
10553         find_and_make_view.
10554         (File_read::find_or_make_view): Add offset and aligned
10555         parameters.  Rewrite accordingly.  Change all callers.
10556         (File_read::get_view): Add offset and aligned parameters.  Adjust
10557         for byteshift in return value.
10558         (File_read::get_lasting_view): Likewise.
10559         * fileread.h (class File_read): Update declarations.
10560         (class File_read::View): Add byteshift_ field.  Add byteshift to
10561         constructor.  Add byteshift method.
10562         * archive.h (Archive::clear_uncached_views): New function.
10563         (Archive::get_view): Add aligned parameter.  Change all callers.
10564         * object.h (Object::get_view): Add aligned parameter.  Change all
10565         callers.
10566         (Object::get_lasting_view): Likewise.
10568         * fileread.cc (File_read::release): Don't call clear_views if
10569         there are multiple objects.
10570         * fileread.h (File_read::clear_uncached_views): New function.
10571         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10572         on the archive.
10574 2008-03-31  Cary Coutant  <ccoutant@google.com>
10576         Add thin archive support.
10577         * archive.cc (Archive::armagt): New const.
10578         (Archive::setup): Remove task parameter and calls to unlock.
10579         (Archive::unlock_nested_archives): New function.
10580         (Archive::read_header): Add nested_off parameter. Change
10581         all callers.
10582         (Archive::interpret_header): Likewise.
10583         (Archive::include_all_members): Change to handle thin
10584         archives.
10585         (Archive::include_member): Likewise.
10586         * archive.h (Archive::Archive): Add new parameters and
10587         initializers.
10588         (Archive::armagt): New const.
10589         (Archive::setup): Remove task parameter.
10590         (Archive::unlock_nested_archives): New function.
10591         (Archive::read_header): Add nested_off parameter.
10592         (Archive::interpret_header): Likewise.
10593         (Archive::Nested_archive_table): New typedef.
10594         (Archive::is_thin_archive_): New field.
10595         (Archive::nested_archives_): New field.
10596         (Archive::options_): New field.
10597         (Archive::dirpath_): New field.
10598         (Archive::task_): New field.
10599         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10600         for thin archives.  Pass additional parameters to
10601         Archive::Archive.  Unlock the archive file after calling
10602         Archive::setup.
10604 2008-03-29  Ian Lance Taylor  <iant@google.com>
10606         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10607         version symbol to be local.
10608         * testsuite/ver_test_4.sh: New file.
10609         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10610         (check_DATA): Add ver_test_4.syms.
10611         (ver_test_4.syms): New target.
10612         * testsuite/Makefile.in: Rebuild.
10614         * output.cc
10615         (Output_section::Input_section_sort_entry::has_priority): New
10616         function.
10617         (Output_section::Input_section_sort_entry::match_file_name): New
10618         function.
10619         (Output_section::Input_section_sort_entry::match_section_name):
10620         Remove.
10621         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10622         Remove.
10623         (Output_section::Input_section_sort_entry::match_section_file):
10624         Remove.
10625         (Output_section::Input_section_sort_compare::operator()): Rewrite
10626         using new Input_section_sort_entry functions.  Sort crtbegin and
10627         crtend first.  Sort sections with no priority before sections with
10628         a priority.
10629         * testsuite/initpri1.c (d3): Check j != 4.
10630         (cd5): New constructor/destructor function.
10631         (main): Check j != 2.
10633         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10634         new symbol when resolving, don't call set_is_default.
10635         * testsuite/ver_test_7.cc: New file.
10636         * testsuite/ver_test_7.sh: New file.
10637         * testsuite/Makefile.am (ver_test_7.so): New target.
10638         (ver_test_7.o): New target.
10639         (check_SCRIPTS): Add ver_test_7.sh.
10640         (check_DATA): Add ver_test_7.syms.
10641         (ver_test_7.syms): New target.
10643 2008-03-28  Ian Lance Taylor  <iant@google.com>
10645         * layout.cc (Layout::layout): If we see an input section with a
10646         name that needs sorting, set the must_sort flag for the output
10647         section.
10648         (Layout::make_output_section): If the name of the output section
10649         indicates that it might require sorting, set the may_sort flag.
10650         * output.h (Output_section::may_sort_attached_input_sections): New
10651         function.
10652         (Output_section::set_may_sort_attached_input_sections): New
10653         function.
10654         (Output_section::must_sort_attached_input_sections): New
10655         function.
10656         (Output_section::set_must_sort_attached_input_sections): New
10657         function.
10658         (class Output_section): Declare Input_section_sort_entry.  Define
10659         Input_section_sort_compare.  Declare
10660         sort_attached_input_sections.  Add new fields:
10661         may_sort_attached_input_sections_,
10662         must_sort_attached_input_sections_,
10663         attached_input_sections_are_sorted_.
10664         * output.cc (Output_section::Output_section): Initialize new
10665         fields.
10666         (Output_section::add_input_section): Add an entry to
10667         input_sections_ if may_sort or must_sort are true.
10668         (Output_section::set_final_data_size): Call
10669         sort_attached_input_sections if necessary.
10670         (Output_section::Input_section_sort_entry): Define new class.
10671         (Output_section::Input_section_sort_compare::operator()): New
10672         function.
10673         (Output_section::sort_attached_input_sections): New function.
10674         * configure.ac: Check whether the compiler supports constructor
10675         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10676         * testsuite/initpri1.c: New file.
10677         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10678         CONSTRUCTOR_PRIORITY.
10679         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10680         (initpri1_LDFLAGS): New variable.
10681         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10683 2008-03-27  Ian Lance Taylor  <iant@google.com>
10685         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10686         * testsuite/common_test_1.c: New file.
10687         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10688         (common_test_1_SOURCES): New variable.
10689         (common_test_1_DEPENDENCIES): New variable.
10690         (common_test_1_LDFLAGS): New variable.
10692         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10693         and commons_ correctly when NAME/VERSION does not override
10694         NAME/NULL.
10695         * testsuite/ver_test_6.c: New file.
10696         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10697         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10698         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10700 2008-03-26  Ian Lance Taylor  <iant@google.com>
10702         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10703         of an undefined symbol from a version script.
10704         * testsuite/Makefile.am (ver_test_5.so): New target.
10705         (ver_test_5.o): New target.
10706         (check_SCRIPTS): Add ver_test_5.sh.
10707         (check_DATA): Add ver_test_5.syms.
10708         (ver_test_5.syms): New target.
10709         * testsuite/ver_test_5.cc: New file.
10710         * testsuite/ver_test_5.script: New file.
10711         * testsuite/ver_test_5.sh: New file.
10712         * Makefile.in, testsuite/Makefile.in: Rebuild.
10714         PR gold/5986
10715         Fix problems building gold with gcc 4.3.0.
10716         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10717         (gold_error_at_location, gold_warning_at_location): Use it.
10718         * configure.ac: Check whether we can compile and use a template
10719         function with a printf attribute.
10720         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10721         when jumping over bytes.
10722         * object.cc: Instantiate Object::read_section_data.
10723         * debug.h: Include <cstring>
10724         * dwarf_reader.cc: Include <algorithm>
10725         * main.cc: Include <cstring>.
10726         * options.cc: Include <cstring>.
10727         * output.cc: Include <cstring>.
10728         * script.cc: Include <cstring>.
10729         * script.h: Include <string>.
10730         * symtab.cc: Include <cstring> and <algorithm>.
10731         * target-select.cc: Include <cstring>.
10732         * version.cc: Include <string>.
10733         * testsuite/testmain.cc: Include <cstdlib>.
10734         * configure, config.in: Rebuild.
10736 2008-03-25  Ian Lance Taylor  <iant@google.com>
10738         * options.cc: Include "../bfd/bfdver.h".
10739         (options::help): Print bug reporting address.
10741         * version.cc (print_version): Adjust output for current value of
10742         BFD_VERSION_STRING.
10744         * NEWS: New file.
10746         * options.cc (options::help): Print list of supported targets.
10747         * target-select.h: Include <vector>.
10748         (class Target_selector): Make machine_, size_, and is_big_endian_
10749         fields const.  Add bfd_name_ and instantiated_target_ fields.
10750         (Target_selector::Target_selector): Add bfd_name parameter.
10751         (Target_selector::recognize): Make non-virtual, call
10752         do_recognize.
10753         (Target_selector::recognize_by_name): Make non-virtual, call
10754         do_recognize_by_name.
10755         (Target_selector::supported_names): New function.
10756         (Target_selector::bfd_name): New function.
10757         (Target_selector::do_instantiate_target): New pure virtual
10758         function.
10759         (Target_selector::do_recognize): New virtual function.
10760         (Target_selector::do_recognize_by_name): New virtual function.
10761         (Target_selector::instantiate_target): New private function.
10762         (supported_target_names): Declare.
10763         * target-select.cc (Target_selector::Target_selector): Update for
10764         new parameter and fields.
10765         (select_target_by_name): Check that the name matches before
10766         calling recognize_by_name.
10767         (supported_target_names): New function.
10768         * i386.cc (class Target_selector_i386): Update Target_selector
10769         constructor call.  Remove recognize and recognize_by_name.  Add
10770         do_instantiate_target.
10771         * x86_64.cc (class Target_selector_x86_64): Likewise.
10772         * testsuite/testfile.cc (class Target_selector_test): Update for
10773         changes to Target_selector.
10775         * README: Rewrite, with some notes on unsupported features.
10777 2008-03-24  Cary Coutant  <ccoutant@google.com>
10779         * i386.cc (Target_i386::Got_type): New enum declaration.
10780         (Target_i386::Scan::local): Updated callers of Output_data_got
10781         member functions.
10782         (Target_i386::Scan::global): Likewise.
10783         (Target_i386::Relocate::relocate): Likewise.
10784         (Target_i386::Relocate::relocate_tls): Likewise.
10785         * object.h (Got_offset_list): New class.
10786         (Sized_relobj::local_has_got_offset): Added got_type parameter.
10787         (Sized_relobj::local_got_offset): Likewise.
10788         (Sized_relobj::set_local_got_offset): Likewise.
10789         (Sized_relobj::local_has_tls_got_offset): Removed.
10790         (Sized_relobj::local_tls_got_offset): Removed.
10791         (Sized_relobj::set_local_tls_got_offset): Removed.
10792         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
10793         * output.cc (Output_data_got::add_global): Added got_type parameter.
10794         (Output_data_got::add_global_with_rel): Likewise.
10795         (Output_data_got::add_global_with_rela): Likewise.
10796         (Output_data_got::add_global_pair_with_rel): New function.
10797         (Output_data_got::add_global_pair_with_rela): New function.
10798         (Output_data_got::add_local): Added got_type parameter.
10799         (Output_data_got::add_local_with_rel): Likewise.
10800         (Output_data_got::add_local_with_rela): Likewise.
10801         (Output_data_got::add_local_pair_with_rel): New function.
10802         (Output_data_got::add_local_pair_with_rela): New function.
10803         (Output_data_got::add_global_tls): Removed.
10804         (Output_data_got::add_global_tls_with_rel): Removed.
10805         (Output_data_got::add_global_tls_with_rela): Removed.
10806         (Output_data_got::add_local_tls): Removed.
10807         (Output_data_got::add_local_tls_with_rel): Removed.
10808         (Output_data_got::add_local_tls_with_rela): Removed.
10809         * output.h (Output_data_got::add_global): Added got_type parameter.
10810         (Output_data_got::add_global_with_rel): Likewise.
10811         (Output_data_got::add_global_with_rela): Likewise.
10812         (Output_data_got::add_global_pair_with_rel): New function.
10813         (Output_data_got::add_global_pair_with_rela): New function.
10814         (Output_data_got::add_local): Added got_type parameter.
10815         (Output_data_got::add_local_with_rel): Likewise.
10816         (Output_data_got::add_local_with_rela): Likewise.
10817         (Output_data_got::add_local_pair_with_rel): New function.
10818         (Output_data_got::add_local_pair_with_rela): New function.
10819         (Output_data_got::add_global_tls): Removed.
10820         (Output_data_got::add_global_tls_with_rel): Removed.
10821         (Output_data_got::add_global_tls_with_rela): Removed.
10822         (Output_data_got::add_local_tls): Removed.
10823         (Output_data_got::add_local_tls_with_rel): Removed.
10824         (Output_data_got::add_local_tls_with_rela): Removed.
10825         * resolve.cc (Symbol::override_base_with_special): Removed
10826         reference to has_got_offset_ field.
10827         * symtab.cc (Symbol::init_fields): Replaced initialization
10828         of got_offset_ with got_offsets_.  Removed initialization
10829         of has_got_offset_
10830         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
10831         (Symbol::got_offset): Likewise.
10832         (Symbol::set_got_offset): Likewise.
10833         (Symbol::has_tls_got_offset): Removed.
10834         (Symbol::tls_got_offset): Removed.
10835         (Symbol::set_tls_got_offset): Removed.
10836         (Symbol::got_offset_): Removed.
10837         (Symbol::tls_mod_got_offset_): Removed.
10838         (Symbol::tls_pair_got_offset_): Removed.
10839         (Symbol::got_offsets_): New field.
10840         (Symbol::has_got_offset): Removed.
10841         (Symbol::has_tls_mod_got_offset): Removed.
10842         (Symbol::has_tls_pair_got_offset): Removed.
10843         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
10844         (Target_x86_64::Scan::local): Updated callers of Output_data_got
10845         member functions.
10846         (Target_x86_64::Scan::global): Likewise.
10847         (Target_x86_64::Relocate::relocate): Likewise.
10848         (Target_x86_64::Relocate::relocate_tls): Likewise.
10850 2008-03-25  Ben Elliston  <bje@au.ibm.com>
10852         * yyscript.y: Fix spelling error in comment.
10854 2008-03-24  Ian Lance Taylor  <iant@google.com>
10856         * options.h (class General_options): Define build_id option.
10857         * layout.h (class Layout): Declare write_build_id, create_note,
10858         create_build_id.  Add build_id_note_ member.
10859         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
10860         "libiberty.h", "md5.h", "sha1.h".
10861         (Layout::Layout): Initialize eh_frame_data_,
10862         eh_frame_hdr_section_, and build_id_note_.
10863         (Layout::finalize): Call create_build_id.
10864         (Layout::create_note): New function, broken out of
10865         Layout::create_gold_note.
10866         (Layout::create_gold_note): Call create_note.
10867         (Layout::create_build_id): New function.
10868         (Layout::write_build_id): New function.
10869         (Close_task_runner::run): Call write_build_id.
10871         * x86_64.cc: Correct license to GPLv3.
10873 2008-03-23  Ian Lance Taylor  <iant@google.com>
10875         * options.cc: Include "demangle.h".
10876         (parse_optional_string): New function.
10877         (parse_long_option): Handle takes_optional_argument.
10878         (parse_short_option): Update dash_z initializer.  Handle
10879         takes_optional_argument.
10880         (General_options::General_options): Initialize do_demangle_.
10881         (General_options::finalize): Set do_demangle_.  Handle demangling
10882         style.
10883         * options.h (parse_optional_string): Declare.
10884         (struct One_option): Add optional_arg field.  Update constructor.
10885         Update call constructor calls.  Add takes_optional_argument
10886         function.
10887         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
10888         (DEFINE_optional_string): Define.
10889         (General_options::demangle): Change from DEFINE_bool to
10890         DEFINE_optional_string.
10891         (General_options::no_demangle): New function.
10892         (General_options::do_demangle): New function.
10893         (General_options::set_do_demangle): New function.
10894         (General_options::execstack_status_): Move definition to end of
10895         class definition.
10896         (General_options::static_): Likewise.
10897         (General_options::do_demangle_): New field.
10898         * object.cc (big_endian>::get_symbol_location_info): Call
10899         Options::do_demangle, not Options::demangle.
10900         * symtab.cc (demangle): Likewise.
10902 2008-03-22  Ian Lance Taylor  <iant@google.com>
10904         * gold.h: Include <cstddef> and <sys/types.h>
10905         * options.h: Include <cstring>.
10907 2008-03-21  Ian Lance Taylor  <iant@google.com>
10909         * Added source code to GNU binutils.