* layout.cc (Layout::set_segment_offsets): Don't adjust layout
[binutils.git] / gold / ChangeLog
blobf9525984102fe71252ae1b8118913896a3fe582c
1 2011-06-07  Cary Coutant  <ccoutant@google.com>
3         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
4         for incremental links.
5         * output.cc (Output_segment::set_section_list_addresses): Remove
6         FIXME and test for TLS or BSS.
8 2011-06-07  Cary Coutant  <ccoutant@google.com>
10         * testsuite/Makefile.am: Add incremental_copy_test,
11         incremental_common_test_1.
12         * testsuite/Makefile.in: Regenerate.
13         * testsuite/common_test_1_v1.c: New source file.
14         * testsuite/common_test_1_v2.c: New source file.
15         * testsuite/copy_test_v1.cc: New source file.
17 2011-06-07  Cary Coutant  <ccoutant@google.com>
19         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
20         update, allocate common from bss section's free list.
21         * incremental-dump.cc (dump_incremental_inputs): Print flag for
22         linker-defined symbols.
23         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
24         Skip GOT and PLT entries that are no longer referenced.
25         (Output_section_incremental_inputs::write_info_blocks): Mark
26         linker-defined symbols.
27         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
28         * output.cc (Output_section::allocate): New function.
29         * output.h (Output_section::allocate): New function.
30         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
31         linker-defined symbols.
32         (Symbol::override_base_with_special): Copy is_predefined_ flag.
33         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
34         (Symbol::init_base_output_data): Likewise.
35         (Symbol::init_base_output_segment): Likewise.
36         (Symbol::init_base_constant): Likewise.
37         (Sized_symbol::init_output_data): Likewise.
38         (Sized_symbol::init_output_segment): Likewise.
39         (Sized_symbol::init_constant): Likewise.
40         (Symbol_table::do_define_in_output_data): Likewise.
41         (Symbol_table::do_define_in_output_segment): Likewise.
42         (Symbol_table::do_define_as_constant): Likewise.
43         * symtab.h (Symbol::is_predefined): New function.
44         (Symbol::init_base_output_data): Add is_predefined parameter.
45         (Symbol::init_base_output_segment): Likewise.
46         (Symbol::init_base_constant): Likewise.
47         (Symbol::is_predefined_): New data member.
48         (Sized_symbol::init_output_data): Add is_predefined parameter.
49         (Sized_symbol::init_output_segment): Likewise.
50         (Sized_symbol::init_constant): Likewise.
51         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
53 2011-06-07  Cary Coutant  <ccoutant@google.com>
55         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
56         instead of emit_copy_reloc.
57         (Copy_relocs::emit_copy_reloc): Refactor.
58         (Copy_relocs::make_copy_reloc): New function.
59         (Copy_relocs::add_copy_reloc): Remove.
60         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
61         section.
62         (Copy_relocs::make_copy_reloc): New function.
63         (Copy_relocs::add_copy_reloc): Remove.
64         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
65         unchanged input files.
66         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
67         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
68         Reserve BSS space for COPY relocations.
69         (Sized_incremental_binary::do_emit_copy_relocs): New function.
70         (Output_section_incremental_inputs::write_info_blocks): Record
71         whether a symbol is copied from a shared object.
72         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
73         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
74         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
75         (Incremental_input_entry_reader::get_output_symbol_index): Add
76         is_copy parameter.
77         (Incremental_binary::emit_copy_relocs): New function.
78         (Incremental_binary::do_emit_copy_relocs): New function.
79         (Sized_incremental_binary::Sized_incremental_binary): Initialize
80         new data member.
81         (Sized_incremental_binary::add_copy_reloc): New function.
82         (Sized_incremental_binary::do_emit_copy_relocs): New function.
83         (Sized_incremental_binary::Copy_reloc): New struct.
84         (Sized_incremental_binary::Copy_relocs): New typedef.
85         (Sized_incremental_binary::copy_relocs_): New data member.
86         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
87         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
88         * target.h (Sized_target::emit_copy_reloc): New function.
89         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
91 2011-06-02  Cary Coutant  <ccoutant@google.com>
93         PR gold/12163
94         * gold/archive.cc (Archive::Archive): Initialize new data member.
95         (Archive::include_all_members): Return if archive has already been
96         included.
97         * gold/archive.h (Archive::include_all_members_): New data member.
99 2011-06-02  Nick Clifton  <nickc@redhat.com>
101         * dynobj.h: Fix spelling mistake in comment.
102         * output.cc: Likewise.
104 2011-05-31  Doug Kwan  <dougkwan@google.com>
105             Asier Llano
107         PR gold/12826
108         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
109         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
110         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
111         redundant arm_exidx_test.so.
112         * testsuite/Makefile.in: Regenerate.
113         (check_SCRIPTS): Add pr12826.sh
114         (check_DATA): Add pr12826.stdout
115         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
116         * testsuite/pr12826.sh: New file.
117         * testsuite/pr12826_1.s: Ditto.
118         * testsuite/pr12826_1.s: Ditto.
120 2011-05-30  Ian Lance Taylor  <iant@google.com>
122         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
123         sections.
125 2011-05-29  Ian Lance Taylor  <iant@google.com>
127         PR gold/12804
128         * testsuite/Makefile.am: Use different file name for two_file_test
129         temporary file for each incremental test.
130         * testsuite/Makefile.in: Rebuild.
132 2011-05-29  Ian Lance Taylor  <iant@google.com>
134         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
135         binary input file is empty.
137 2011-05-27  Ian Lance Taylor  <iant@google.com>
139         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
140         (ver_test_9.so): Likewise.
141         * testsuite/Makefile.in: Rebuild.
143 2011-05-26 Cary Coutant  <ccoutant@google.com>
145         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
146         * incremental.cc (Incremental_inputs::report_input_section): Fix
147         comment, indentation.
148         (Incremental_inputs::report_comdat_group): New function.
149         (Output_section_incremental_inputs::set_final_data_size): Adjust size
150         of data for incremental input file entry.
151         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
152         group count, COMDAT group signatures.
153         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
154         an unchanged input file.
155         * incremental.h (Incremental_object_entry::Incremental_object_entry):
156         Initialize new data member.
157         (Incremental_object_entry::add_comdat_group): New function.
158         (Incremental_object_entry::get_comdat_group_count): New function.
159         (Incremental_object_entry::get_comdat_signature_key): New function.
160         (Incremental_object_entry::groups_): New data member.
161         (Incremental_inputs::report_comdat_group): New function.
162         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
163         data for incremental input file entry.
164         (Incremental_input_entry_reader::get_comdat_group_count): New function.
165         (Incremental_input_entry_reader::get_input_section): Adjust size of
166         data for incremental input file entry.
167         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
168         (Incremental_input_entry_reader::get_comdat_group_signature): New
169         function.
170         * object.cc (Sized_relobj::include_section_group): Report kept
171         COMDAT groups for incremental links.
173 2011-05-24  David Meyer  <pdox@google.com>
175         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
176         with name parameter.  Add found_name parameter.
177         * fileread.cc (Input_file::find_file): Adjust code accordingly.
178         * dirsearch.h (class Dirsearch): Update declaration.
180 2011-05-24  Ian Lance Taylor  <iant@google.com>
182         * archive.cc (Library_base::should_include_member): Pull in object
183         from archive if it defines the entry symbol.
184         * parameters.cc (Parameters::entry): New function.
185         * parameters.h (class Parameters): Declare entry.
186         * output.h (class Output_file_header): Remove entry_ field.
187         * output.cc (Output_file_header::Output_file_header): Remove entry
188         parameter.  Change all callers.
189         (Output_file_header::entry): Use parameters->entry.
190         * gold.cc (queue_middle_tasks): Likewise.
191         * plugin.cc (Plugin_hook::run): Likewise.
193 2011-05-24 Cary Coutant  <ccoutant@google.com>
195         * gold.cc (queue_initial_tasks): Pass incremental base filename
196         to Output_file::open_base_file; don't print error message.
197         * incremental-dump.cc (main): Adjust call to
198         Output_file::open_for_modification.
199         * incremental-dump.cc (main): Likewise.
200         * incremental.cc (Incremental_inputs::report_command_line):
201         Ignore --incremental-base option when comparing command lines.
202         Ignore parameter when given as separate argument.
203         * options.h (class General_options): Add --incremental-base.
204         * output.cc (Output_file::Output_file):
205         (Output_file::open_base_file): Add base_name and writable parameters;
206         read base file into new file; print error message here.
207         (Output_file::map_no_anonymous): Add writable parameter; adjust all
208         callers.
209         * output.h (Output_file::open_for_modification): Rename to...
210         (Output_file::open_base_file): ...this; add base_name and
211         writable parameters; adjust all callers.
212         (Output_file::map_no_anonymous): Add writable parameter; adjust all
213         callers.
214         * testsuite/Makefile.am (incremental_test_4): Test
215         --incremental-base.
216         * testsuite/Makefile.in: Regenerate.
218 2011-05-24 Cary Coutant  <ccoutant@google.com>
220         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
221         incremental_test_4.
222         * testsuite/Makefile.in: Regenerate.
223         * testsuite/two_file_test_1_v1.cc: New test source file.
224         * testsuite/two_file_test_1b_v1.cc: New test source file.
225         * testsuite/two_file_test_2_v1.cc: New test source file.
227 2011-05-24 Cary Coutant  <ccoutant@google.com>
229         * dynobj.h (Dynobj::do_dynobj): New function.
230         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
231         flag and soname for shared objects.
232         * incremental.cc (Incremental_inputs::report_object): Make
233         either Incremental_object_entry or Incremental_dynobj_entry; add
234         soname to string table.
235         (Incremental_inputs::report_input_section): Add assertion.
236         (Output_section_incremental_inputs::set_final_data_size): Adjust
237         type of input file entry for shared libraries; adjust size of
238         shared library info entry.
239         (Output_section_incremental_inputs::write_input_files): Write
240         as_needed flag for shared libraries.
241         (Output_section_incremental_inputs::write_info_blocks): Adjust type
242         of input file entry for shared libraries; write soname.
243         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
244         soname from incremental info.
245         * incremental.h (enum Incremental_input_flags): Add
246         INCREMENTAL_INPUT_AS_NEEDED.
247         (Incremental_input_entry::Incremental_input_entry): Initialize new
248         data member.
249         (Incremental_input_entry::set_as_needed): New function.
250         (Incremental_input_entry::as_needed): New function.
251         (Incremental_input_entry::do_dynobj_entry): New function.
252         (Incremental_input_entry::as_needed_): New data member.
253         (Incremental_object_entry::Incremental_object_entry): Don't check
254         for shared library.
255         (Incremental_object_entry::do_type): Likewise.
256         (class Incremental_dynobj_entry): New class.
257         (Incremental_input_entry_reader::as_needed): New function.
258         (Incremental_input_entry_reader::get_soname): New function.
259         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
260         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
261         size of shared library info entry.
262         * layout.cc (Layout::finish_dynamic_section): Don't test for 
263         incremental link when adding DT_NEEDED entries.
264         * object.h (Object::Object): Initialize new data member.
265         (Object::dynobj): New function.
266         (Object::set_as_needed): New function.
267         (Object::as_needed): New function.
268         (Object::do_dynobj): New function.
269         (Object::as_needed_): New data member.
271 2011-05-24 Cary Coutant  <ccoutant@google.com>
273         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
274         info; adjust display of GOT entries.
275         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
276         vector of input objects; remove file_status_.
277         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
278         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
279         got_plt reader; call target hooks to reserve GOT entries.
280         (Output_section_incremental_inputs::set_final_data_size): Adjust size
281         of input file info header and GOT info entry.
282         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
283         relocation info.
284         (Got_plt_view_info::got_descriptor): Remove.
285         (Got_plt_view_info::sym_index): New data member.
286         (Got_plt_view_info::input_index): New data member.
287         (Local_got_offset_visitor::visit): Write input file index.
288         (Global_got_offset_visitor::visit): Write 0 for input file index.
289         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
290         with sym_index and input_index.
291         (Output_section_incremental_inputs::write_got_plt): Adjust size of
292         incremental info GOT entry; replace got_descriptor with input_index.
293         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
294         map from input file index to object.
295         (Sized_relobj_incr::do_layout): Replace direct data member reference
296         with accessor function.
297         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
298         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
299         Adjust size of input file info header.
300         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
301         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
302         (Incremental_input_entry_reader::get_input_section): Adjust size of
303         input file info header.
304         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
305         of incremental info GOT entry.
306         (Incremental_got_plt_reader::get_got_desc): Remove.
307         (Incremental_got_plt_reader::get_got_symndx): New function.
308         (Incremental_got_plt_reader::get_got_input_index): New function.
309         (Sized_incremental_binary::Sized_incremental_binary): Remove
310         file_status_; add input_objects_.
311         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
312         (Sized_incremental_binary::set_file_is_unchanged): Remove.
313         (Sized_incremental_binary::file_is_unchanged): Remove.
314         (Sized_incremental_binary::set_input_object): New function.
315         (Sized_incremental_binary::input_object): New function.
316         (Sized_incremental_binary::file_status_): Remove.
317         (Sized_incremental_binary::input_objects_): New data member.
318         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
319         references.
320         (Sized_relobj_incr::invalid_address): Move to base class.
321         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
322         class.
323         (Sized_relobj_incr::do_output_section_offset): Likewise.
324         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
325         (Sized_relobj_incr::section_offsets_): Likewise.
326         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
327         function.
328         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
329         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
330         with accessor function.
331         (Sized_relobj_file::do_layout): Likewise.
332         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
333         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
334         (Sized_relobj_file::compute_final_local_value): Replace refs to
335         section_offsets_ with accessor function.
336         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
337         * object.h (Relobj::Relobj): Initialize new data members.
338         (Relobj::add_dyn_reloc): New function.
339         (Relobj::first_dyn_reloc): New function.
340         (Relobj::dyn_reloc_count): New function.
341         (Relobj::first_dyn_reloc_): New data member.
342         (Relobj::dyn_reloc_count_): New data member.
343         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
344         references.
345         (Sized_relobj::Address): New typedef.
346         (Sized_relobj::invalid_address): Move here from child class.
347         (Sized_relobj::Sized_relobj): Initialize new data members.
348         (Sized_relobj::sized_relobj): New function.
349         (Sized_relobj::is_output_section_offset_invalid): Move here from
350         child class.
351         (Sized_relobj::get_output_section_offset): Likewise.
352         (Sized_relobj::local_has_got_offset): Likewise.
353         (Sized_relobj::local_got_offset): Likewise.
354         (Sized_relobj::set_local_got_offset): Likewise.
355         (Sized_relobj::do_for_all_local_got_entries): Likewise.
356         (Sized_relobj::clear_got_offsets): New function.
357         (Sized_relobj::section_offsets): Move here from child class.
358         (Sized_relobj::do_output_section_offset): Likewise.
359         (Sized_relobj::do_set_section_offset): Likewise.
360         (Sized_relobj::Local_got_offsets): Likewise.
361         (Sized_relobj::local_got_offsets_): Likewise.
362         (Sized_relobj::section_offsets_): Likewise.
363         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
364         references.
365         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
366         class.
367         (Sized_relobj_file::sized_relobj): New function
368         (Sized_relobj_file::local_has_got_offset): Move to base class.
369         (Sized_relobj_file::local_got_offset): Likewise.
370         (Sized_relobj_file::set_local_got_offset): Likewise.
371         (Sized_relobj_file::get_output_section_offset): Likewise.
372         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
373         (Sized_relobj_file::do_output_section_offset): Likewise.
374         (Sized_relobj_file::do_set_section_offset): Likewise.
375         (Sized_relobj_file::Local_got_offsets): Likewise.
376         (Sized_relobj_file::local_got_offsets_): Likewise.
377         (Sized_relobj_file::section_offsets_): Likewise.
378         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
379         (all constructors).
380         (set_needs_dynsym_index): Convert relobj to derived class pointer.
381         (Output_reloc::get_symbol_index): Likewise.
382         (Output_reloc::local_section_offset): Likewise.
383         (Output_reloc::get_address): Likewise.
384         (Output_reloc::symbol_value): Likewise.
385         (Output_data_got::reserve_slot): Move to class definition.
386         (Output_data_got::reserve_local): New function.
387         (Output_data_got::reserve_slot_for_global): Remove.
388         (Output_data_got::reserve_global): New function.
389         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
390         (all constructors, two instantiations).
391         (Output_reloc::get_relobj): New function (two instantiations).
392         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
393         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
394         (Output_data_reloc::add_global): Adjust type of relobj.
395         (Output_data_reloc::add_global_relative): Likewise.
396         (Output_data_reloc::add_symbolless_global_addend): Likewise.
397         (Output_data_reloc::add_local): Likewise.
398         (Output_data_reloc::add_local_relative): Likewise.
399         (Output_data_reloc::add_symbolless_local_addend): Likewise.
400         (Output_data_reloc::add_local_section): Likewise.
401         (Output_data_reloc::add_output_section): Likewise.
402         (Output_data_reloc::add_absolute): Likewise.
403         (Output_data_reloc::add_target_specific): Likewise.
404         (Output_data_got::reserve_slot): Move definition here.
405         (Output_data_got::reserve_local): New function.
406         (Output_data_got::reserve_global): New function.
407         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
408         section_offsets_ with accessor function.
409         (Sized_relobj_file::write_sections): Likewise.
410         (Sized_relobj_file::do_relocate_sections): Likewise.
411         * target.h (Sized_target::reserve_local_got_entry): New function.
412         (Sized_target::reserve_global_got_entry): New function.
413         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
414         (Target_x86_64::reserve_global_got_entry): New function.
415         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
417 2011-05-23 Cary Coutant  <ccoutant@google.com>
419         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
420         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
421         bit when checking got_type.
422         * incremental.cc (Sized_incremental_binary::setup_readers):
423         Store symbol table and string table locations; initialize bit vector
424         of file status flags.
425         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
426         unchanged files.
427         (Sized_incremental_binary::do_process_got_plt): New function.
428         (Sized_incremental_binary::get_symtab_view): Use stored locations.
429         (Output_section_incremental_inputs::set_final_data_size): Record
430         file index for each input file.
431         (Output_section_incremental_inputs::write_got_plt): Store file index
432         instead of input entry offset for each GOT entry.
433         * incremental.h
434         (Incremental_input_entry::Incremental_input_entry): Initialize new
435         data member.
436         (Incremental_input_entry::set_offset): Store file index.
437         (Incremental_input_entry::get_file_index): New function.
438         (Incremental_input_entry::file_index_): New data member.
439         (Incremental_binary::process_got_plt): New function.
440         (Incremental_binary::do_process_got_plt): New function.
441         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
442         data members.
443         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
444         (Sized_incremental_binary::set_file_is_unchanged): New function.
445         (Sized_incremental_binary::file_is_unchanged): New function.
446         (Sized_incremental_binary::do_process_got_plt): New function.
447         (Sized_incremental_binary::file_status_): New data member.
448         (Sized_incremental_binary::main_symtab_loc_): New data member.
449         (Sized_incremental_binary::main_strtab_loc_): New data member.
450         * output.cc (Output_data_got::Got_entry::write): Add case
451         RESERVED_CODE.
452         (Output_data_got::add_global): Call add_got_entry.
453         (Output_data_got::add_global_plt): Likewise.
454         (Output_data_got::add_global_with_rel): Likewise.
455         (Output_data_got::add_global_with_rela): Likewise.
456         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
457         (Output_data_got::add_global_pair_with_rela): Likewise.
458         (Output_data_got::add_local): Call add_got_entry.
459         (Output_data_got::add_local_plt): Likewise.
460         (Output_data_got::add_local_with_rel): Likewise.
461         (Output_data_got::add_local_with_rela): Likewise.
462         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
463         (Output_data_got::add_local_pair_with_rela): Likewise.
464         (Output_data_got::reserve_slot): New function.
465         (Output_data_got::reserve_slot_for_global): New function.
466         (Output_data_got::add_got_entry): New function.
467         (Output_data_got::add_got_entry_pair): New function.
468         (Output_section::add_output_section_data): Edit FIXME.
469         * output.h
470         (Output_section_data_build::Output_section_data_build): New
471         constructor with size parameter.
472         (Output_data_space::Output_data_space): Likewise.
473         (Output_data_got::Output_data_got): Initialize new data member; new
474         constructor with size parameter.
475         (Output_data_got::add_constant): Call add_got_entry.
476         (Output_data_got::reserve_slot): New function.
477         (Output_data_got::reserve_slot_for_global): New function.
478         (class Output_data_got::Got_entry): Add RESERVED_CODE.
479         (Output_data_got::add_got_entry): New function.
480         (Output_data_got::add_got_entry_pair): New function.
481         (Output_data_got::free_list_): New data member.
482         * target.h (Sized_target::init_got_plt_for_update): New function.
483         (Sized_target::register_global_plt_entry): New function.
484         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
485         Initialize new data member; call init; add constructor with PLT count.
486         (Output_data_plt_x86_64::init): New function.
487         (Output_data_plt_x86_64::add_relocation): New function.
488         (Output_data_plt_x86_64::reserve_slot): New function.
489         (Output_data_plt_x86_64::free_list_): New data member.
490         (Target_x86_64::init_got_plt_for_update): New function.
491         (Target_x86_64::register_global_plt_entry): New function.
492         (Output_data_plt_x86_64::add_entry): Allocate from free list for
493         incremental updates.
494         (Output_data_plt_x86_64::add_relocation): New function.
495         * testsuite/object_unittest.cc (Object_test): Set default options.
497 2011-05-16  Ian Lance Taylor  <iant@google.com>
499         * options.h (class General_options): Make -i a synonym for -r.
501 2011-05-16  Ian Lance Taylor  <iant@google.com>
503         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
505 2011-05-10 Cary Coutant  <ccoutant@google.com>
507         * object.cc (Sized_relobj::do_count_local_symbols): Check for
508         strip_all (-s).
510 2011-05-06  Ian Lance Taylor  <iant@google.com>
512         * layout.cc (Layout::layout): If the output section flags change,
513         update the ordering.
515 2011-04-25 Cary Coutant  <ccoutant@google.com>
517         * incremental-dump.cc (dump_incremental_inputs): Print local
518         symbol info for each input file.
519         * incremental.cc
520         (Output_section_incremental_inputs::set_final_data_size): Add local
521         symbol info to input file entries in incremental info.
522         (Output_section_incremental_inputs::write_info_blocks): Likewise.
523         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
524         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
525         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
526         implementation.
527         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
528         (Sized_incr_relobj::do_relocate): Write the local symbols.
529         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
530         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
531         Adjust size of input file header.
532         (Incremental_inputs_reader::get_local_symbol_offset): New function.
533         (Incremental_inputs_reader::get_local_symbol_count): New function.
534         (Incremental_inputs_reader::get_input_section): Adjust size of input
535         file header.
536         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
537         (Sized_incr_relobj::This): New typedef.
538         (Sized_incr_relobj::sym_size): New const data member.
539         (Sized_incr_relobj::Local_symbol): New struct.
540         (Sized_incr_relobj::do_output_local_symbol_count): New function.
541         (Sized_incr_relobj::do_local_symbol_offset): New function.
542         (Sized_incr_relobj::local_symbol_count_): New data member.
543         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
544         (Sized_incr_relobj::local_symbol_index_): New data member.
545         (Sized_incr_relobj::local_symbol_offset_): New data member.
546         (Sized_incr_relobj::local_dynsym_offset_): New data member.
547         (Sized_incr_relobj::local_symbols_): New data member.
548         * object.h (Relobj::output_local_symbol_count): New function.
549         (Relobj::local_symbol_offset): New function.
550         (Relobj::do_output_local_symbol_count): New function.
551         (Relobj::do_local_symbol_offset): New function.
552         (Sized_relobj::do_output_local_symbol_count): New function.
553         (Sized_relobj::do_local_symbol_offset): New function.
555 2011-04-22  Vladimir Simonov  <sv@sw.ru>
557         * descriptors.cc (set_close_on_exec): New function.
558         (Descriptors::open): Use set_close_on_exec.
559         * output.cc (S_ISLNK): Define if not defined.
561 2011-04-22 Cary Coutant  <ccoutant@google.com>
563         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
564         global symbol map.
565         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
566         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
567         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
568         relocations.
569         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
570         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
571         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
572         * incremental.h
573         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
574         function.
575         (Incremental_binary::apply_incremental_relocs): New function.
576         (Incremental_binary::do_apply_incremental_relocs): New function.
577         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
578         data member.
579         (Sized_incremental_binary::add_global_symbol): New function.
580         (Sized_incremental_binary::global_symbol): New function.
581         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
582         (Sized_incremental_binary::symbol_map_): New data member.
583         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
584         * target.h (Sized_target::apply_relocation): New function.
585         * target-reloc.h (apply_relocation): New function.
586         * x86_64.cc (Target_x86_64::apply_relocation): New function.
588 2011-04-22  Doug Kwan  <dougkwan@google.com>
590         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
591         flag of a SHT_ARM_EXIDX section.
592         * testsuite/Makefile.am (arm_exidx_test): New test rules.
593         * testsuite/Makefile.in: Regenerate.
594         * testsuite/arm_exidx_test.s: New file.
595         * testsuite/arm_exidx_test.sh: Same.
597 2011-04-20 Cary Coutant  <ccoutant@google.com>
599         PR gold/12689
600         * archive.h (Incremental_archive_entry::Archive_member):
601         Initialize arg_serial_ (second constructor).
603 2011-04-17  Ian Lance Taylor  <iant@google.com>
605         * object.cc (Relocate_info::location): Simplify location string.
606         * errors.cc (Errors::error_at_location): Don't print program
607         name.
608         (Errors::warning_at_location): Likewise.
609         (Errors::undefined_symbol): Likewise.
610         * testsuite/debug_msg.sh: Update accordingly.
612 2011-04-14 Cary Coutant  <ccoutant@google.com>
614         * gold/layout.cc (Layout::symtab_section_offset): New function.
615         * gold/layout.h (Layout::symtab_section_offset): New function.
616         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
618 2011-04-12  Ian Lance Taylor  <iant@google.com>
620         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
621         with MREMAP_MAYMOVE.
622         * output.h (class Output_file): Add map_is_allocated_ field.
623         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
624         not available, provide stubs.  If mremap is not available, #define
625         it to gold_mremap.
626         (MREMAP_MAYMOVE): Define if not defined.
627         (Output_file::Output_file): Initialize map_is_allocated_.
628         (Output_file::resize): Check map_is_allocated_.
629         (Output_file::map_anonymous): If mmap fails, use malloc.
630         (Output_file::unmap): Don't do anything for an anonymous map.
631         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
632         is not available, provide stubs.
633         (File_read::View::~View): Use free rather than delete[].
634         (File_read::make_view): Use malloc rather than new[].  If mmap
635         fails, use malloc.
636         (File_read::find_or_make_view): Use malloc rather than new[].
637         * gold.h: Remove HAVE_REMAP code.
638         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
639         exists.  Rename mremap to gold_mremap.  If mmap is not available
640         don't do anything.
641         * configure, config.in: Rebuild.
643 2011-04-11  Ian Lance Taylor  <iant@google.com>
645         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
646         initialize local variable v.
648 2011-04-11  Cary Coutant  <ccoutant@google.com>
650         * archive.cc (Archive::include_member): Adjust call to
651         report_object.
652         (Add_archive_symbols::run): Track argument serial numbers.
653         (Lib_group::include_member): Likewise.
654         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
655         * archive.h (Incremental_archive_entry::Archive_member):
656         Initialize arg_serial_.
657         (Archive_member::arg_serial_): New data member.
658         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
659         (Sized_dynobj::do_add_symbols): Track symbols when doing an
660         incremental link.
661         (Sized_dynobj::do_for_all_local_got_entries): New function.
662         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
663         function.
664         * fileread.cc (get_mtime): New function.
665         * fileread.h (get_mtime): New function.
666         * gold.cc (queue_initial_tasks): Check for incremental update.
667         (process_incremental_input): New function.
668         (queue_middle_tasks): Don't force valid target for incremental
669         update.
670         * incremental-dump.cc (find_input_containing_global): Adjust
671         size of symbol info entry.
672         (dump_incremental_inputs): Dump argument serial number and
673         in_system_directory flag; bias shndx by 1; print symbol names
674         when dumping per-file symbol lists; use new symbol info readers.
675         * incremental.cc
676         (Output_section_incremental_inputs:update_data_size): New function.
677         (Sized_incremental_binary::setup_readers): Setup input readers
678         for each input file; build maps for files added from libraries
679         and scripts.
680         (Sized_incremental_binary::check_input_args): New function.
681         (Sized_incremental_binary::do_check_inputs): Build map of argument
682         serial numbers to input arguments.
683         (Sized_incremental_binary::do_file_has_changed): Rename
684         do_file_is_unchanged to this; compare file modification times.
685         (Sized_incremental_binary::do_init_layout): New function.
686         (Sized_incremental_binary::do_reserve_layout): New function.
687         (Sized_incremental_binary::do_get_input_reader): Remove.
688         (Sized_incremental_binary::get_symtab_view): New function.
689         (Incremental_checker::can_incrementally_link_output_file): Remove.
690         (Incremental_inputs::report_command_line): Exclude --debug options.
691         (Incremental_inputs::report_archive_begin): Add parameter; track
692         argument serial numbers; don't put input file entry for archive
693         before archive members.
694         (Incremental_inputs::report_archive_end): Put input file entry
695         for archive after archive members.
696         (Incremental_inputs::report_object): Add parameter; track argument
697         serial numbers and in_system_directory flag.
698         (Incremental_inputs::report_script): Add parameter; track argument
699         serial numbers.
700         (Output_section_incremental_inputs::set_final_data_size): Adjust
701         size of symbol info entry; check for forwarding symbols.
702         (Output_section_incremental_inputs::write_input_files): Write
703         in_system_directory flag and argument serial number.
704         (Output_section_incremental_inputs::write_info_blocks): Map section
705         indices between incremental info and original input file; store
706         input section index for each symbol.
707         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
708         change operator() to visit().
709         (class Global_got_offset_visitor): Likewise.
710         (class Global_symbol_visitor_got_plt):
711         (Output_section_incremental_inputs::write_got_plt): Use new visitor
712         classes.
713         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
714         (Sized_incr_relobj::do_read_symbols): New function.
715         (Sized_incr_relobj::do_layout): New function.
716         (Sized_incr_relobj::do_layout_deferred_sections): New function.
717         (Sized_incr_relobj::do_add_symbols): New function.
718         (Sized_incr_relobj::do_should_include_member): New function.
719         (Sized_incr_relobj::do_for_all_global_symbols): New function.
720         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
721         (Sized_incr_relobj::do_section_size): New function.
722         (Sized_incr_relobj::do_section_name): New function.
723         (Sized_incr_relobj::do_section_contents): New function.
724         (Sized_incr_relobj::do_section_flags): New function.
725         (Sized_incr_relobj::do_section_entsize): New function.
726         (Sized_incr_relobj::do_section_address): New function.
727         (Sized_incr_relobj::do_section_type): New function.
728         (Sized_incr_relobj::do_section_link): New function.
729         (Sized_incr_relobj::do_section_info): New function.
730         (Sized_incr_relobj::do_section_addralign): New function.
731         (Sized_incr_relobj::do_initialize_xindex): New function.
732         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
733         (Sized_incr_relobj::do_read_relocs): New function.
734         (Sized_incr_relobj::do_gc_process_relocs): New function.
735         (Sized_incr_relobj::do_scan_relocs): New function.
736         (Sized_incr_relobj::do_count_local_symbols): New function.
737         (Sized_incr_relobj::do_finalize_local_symbols): New function.
738         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
739         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
740         (Sized_incr_relobj::do_relocate): New function.
741         (Sized_incr_relobj::do_set_section_offset): New function.
742         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
743         (Sized_incr_dynobj::do_read_symbols): New function.
744         (Sized_incr_dynobj::do_layout): New function.
745         (Sized_incr_dynobj::do_add_symbols): New function.
746         (Sized_incr_dynobj::do_should_include_member): New function.
747         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
748         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
749         (Sized_incr_dynobj::do_section_size): New function.
750         (Sized_incr_dynobj::do_section_name): New function.
751         (Sized_incr_dynobj::do_section_contents): New function.
752         (Sized_incr_dynobj::do_section_flags): New function.
753         (Sized_incr_dynobj::do_section_entsize): New function.
754         (Sized_incr_dynobj::do_section_address): New function.
755         (Sized_incr_dynobj::do_section_type): New function.
756         (Sized_incr_dynobj::do_section_link): New function.
757         (Sized_incr_dynobj::do_section_info): New function.
758         (Sized_incr_dynobj::do_section_addralign): New function.
759         (Sized_incr_dynobj::do_initialize_xindex): New function.
760         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
761         (make_sized_incremental_object): New function.
762         (Incremental_library::copy_unused_symbols): New function.
763         (Incremental_library::do_for_all_unused_symbols): New function.
764         * incremental.h (enum Incremental_input_flags): New type.
765         (class Incremental_checker): Remove.
766         (Incremental_input_entry::Incremental_input_entry): Add argument
767         serial number.
768         (Incremental_input_entry::arg_serial): New function.
769         (Incremental_input_entry::set_is_in_system_directory): New function.
770         (Incremental_input_entry::is_in_system_directory): New function.
771         (Incremental_input_entry::arg_serial_): New data member.
772         (Incremental_input_entry::is_in_system_directory_): New data member.
773         (class Script_info): Move here from script.h.
774         (Script_info::Script_info): Add filename parameter.
775         (Script_info::filename): New function.
776         (Script_info::filename_): New data member.
777         (Incremental_script_entry::Incremental_script_entry): Add argument
778         serial number.
779         (Incremental_object_entry::Incremental_object_entry): Likewise.
780         (Incremental_object_entry::add_input_section): Build list of input
781         sections with map to original shndx.
782         (Incremental_object_entry::get_input_section_index): New function.
783         (Incremental_object_entry::shndx_): New data member.
784         (Incremental_object_entry::name_key_): Rename; adjust all refs.
785         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
786         (Incremental_archive_entry::Incremental_archive_entry): Add argument
787         serial number.
788         (Incremental_inputs::report_archive_begin): Likewise.
789         (Incremental_inputs::report_object): Likewise.
790         (Incremental_inputs::report_script): Likewise.
791         (class Incremental_global_symbol_reader): New class.
792         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
793         and store flags and input file type.
794         (Incremental_input_entry_reader::arg_serial): New function.
795         (Incremental_input_entry_reader::type): Extract type from flags.
796         (Incremental_input_entry_reader::is_in_system_directory): New function.
797         (Incremental_input_entry_reader::get_input_section_count): Call
798         accessor function for type.
799         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
800         function for type; adjust size of global symbol entry.
801         (Incremental_input_entry_reader::get_global_symbol_count): Call
802         accessor function for type.
803         (Incremental_input_entry_reader::get_object_count): Likewise.
804         (Incremental_input_entry_reader::get_object_offset): Likewise.
805         (Incremental_input_entry_reader::get_member_count): Likewise.
806         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
807         (Incremental_input_entry_reader::get_member_offset): Likewise.
808         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
809         (Incremental_input_entry_reader::Global_symbol_info): Remove.
810         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
811         (Incremental_input_entry_reader::get_global_symbol_reader): New
812         function.
813         (Incremental_input_entry_reader::get_output_symbol_index): New
814         function.
815         (Incremental_input_entry_reader::type_): Remove.
816         (Incremental_input_entry_reader::flags_): New data member.
817         (Incremental_inputs_reader::input_file_offset): New function.
818         (Incremental_inputs_reader::input_file_index): New function.
819         (Incremental_inputs_reader::input_file): Call input_file_offset.
820         (Incremental_inputs_reader::input_file_at_offset): New function.
821         (Incremental_relocs_reader::get_r_type): Reformat.
822         (Incremental_relocs_reader::get_r_shndx): Reformat.
823         (Incremental_relocs_reader::get_r_offset): Reformat.
824         (Incremental_relocs_reader::data): New function.
825         (Incremental_binary::Incremental_binary): Initialize new data members.
826         (Incremental_binary::check_inputs): Add cmdline parameter.
827         (Incremental_binary::file_is_unchanged): Remove.
828         (Input_reader::arg_serial): New function.
829         (Input_reader::get_unused_symbol_count): New function.
830         (Input_reader::get_unused_symbol): New function.
831         (Input_reader::do_arg_serial): New function.
832         (Input_reader::do_get_unused_symbol_count): New function.
833         (Input_reader::do_get_unused_symbol): New function.
834         (Incremental_binary::input_file_count): New function.
835         (Incremental_binary::get_input_reader): Change signature to use
836         index instead of filename.
837         (Incremental_binary::file_has_changed): New function.
838         (Incremental_binary::get_input_argument): New function.
839         (Incremental_binary::get_library): New function.
840         (Incremental_binary::get_script_info): New function.
841         (Incremental_binary::init_layout): New function.
842         (Incremental_binary::reserve_layout): New function.
843         (Incremental_binary::output_file): New function.
844         (Incremental_binary::do_check_inputs): New function.
845         (Incremental_binary::do_file_is_unchanged): Remove.
846         (Incremental_binary::do_file_has_changed): New function.
847         (Incremental_binary::do_init_layout): New function.
848         (Incremental_binary::do_reserve_layout): New function.
849         (Incremental_binary::do_input_file_count): New function.
850         (Incremental_binary::do_get_input_reader): Change signature.
851         (Incremental_binary::input_args_map_): New data member.
852         (Incremental_binary::library_map_): New data member.
853         (Incremental_binary::script_map_): New data member.
854         (Sized_incremental_binary::Sized_incremental_binary): Initialize
855         new data members.
856         (Sized_incremental_binary::output_section): New function.
857         (Sized_incremental_binary::inputs_reader): Add const.
858         (Sized_incremental_binary::symtab_reader): Add const.
859         (Sized_incremental_binary::relocs_reader): Add const.
860         (Sized_incremental_binary::got_plt_reader): Add const.
861         (Sized_incremental_binary::get_symtab_view): New function.
862         (Sized_incremental_binary::Inputs_reader): New typedef.
863         (Sized_incremental_binary::Input_entry_reader): New typedef.
864         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
865         (Sized_incremental_binary::do_file_is_unchanged): Remove.
866         (Sized_incremental_binary::do_file_has_changed): New function.
867         (Sized_incremental_binary::do_init_layout): New function.
868         (Sized_incremental_binary::do_reserve_layout): New function.
869         (Sized_input_reader::Inputs_reader): Remove.
870         (Sized_input_reader::Input_entry_reader): Remove.
871         (Sized_input_reader::do_arg_serial): New function.
872         (Sized_input_reader::do_get_unused_symbol_count): New function.
873         (Sized_input_reader::do_get_unused_symbol): New function.
874         (Sized_incremental_binary::do_input_file_count): New function.
875         (Sized_incremental_binary::do_get_input_reader): Change signature;
876         use index instead of filename.
877         (Sized_incremental_binary::section_map_): New data member.
878         (Sized_incremental_binary::input_entry_readers_): New data member.
879         (class Sized_incr_relobj): New class.
880         (class Sized_incr_dynobj): New class.
881         (make_sized_incremental_object): New function.
882         (class Incremental_library): New class.
883         * layout.cc (Free_list::num_lists): New static data member.
884         (Free_list::num_nodes): New static data member.
885         (Free_list::num_removes): New static data member.
886         (Free_list::num_remove_visits): New static data member.
887         (Free_list::num_allocates): New static data member.
888         (Free_list::num_allocate_visits): New static data member.
889         (Free_list::init): New function.
890         (Free_list::remove): New function.
891         (Free_list::allocate): New function.
892         (Free_list::dump): New function.
893         (Free_list::print_stats): New function.
894         (Layout_task_runner::run): Resize output file for incremental updates.
895         (Layout::Layout): Initialize new data members.
896         (Layout::set_incremental_base): New function.
897         (Layout::init_fixed_output_section): New function.
898         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
899         incremental updates.
900         (Layout::create_gold_note): Do not create gold note section for
901         incremental updates.
902         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
903         for incremental updates.
904         (Layout::set_section_offsets): For incremental updates, allocate space
905         from free list.
906         (Layout::create_symtab_sections): Layout with offsets relative to
907         start of section; for incremental updates, allocate space from free
908         list.
909         (Layout::create_shdrs): For incremental updates, allocate space from
910         free list.
911         (Layout::finish_dynamic_section): For incremental updates, do not
912         check --as-needed (fixed in subsequent patch).
913         * layout.h (class Free_list): New class.
914         (Layout::set_incremental_base): New function.
915         (Layout::incremental_base): New function.
916         (Layout::init_fixed_output_section): New function.
917         (Layout::allocate): New function.
918         (Layout::incremental_base_): New data member.
919         (Layout::free_list_): New data member.
920         * main.cc (main): Print Free_list statistics.
921         * object.cc (Relobj::finalize_incremental_relocs): Add
922         clear_counts parameter; clear counts only when clear_counts is set.
923         (Sized_relobj::Sized_relobj): Initialize new base class.
924         (Sized_relobj::do_layout): Don't report special sections.
925         (Sized_relobj::do_for_all_local_got_entries): New function.
926         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
927         symtab_off to all symbol table offsets.
928         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
929         * object.h (class Got_offset_list): Move to top of file.
930         (Object::Object): Allow case where input_file == NULL.
931         (Object::~Object): Likewise.
932         (Object::input_file): Assert that input_file != NULL.
933         (Object::lock): Allow case where input_file == NULL.
934         (Object::unlock): Likewise.
935         (Object::is_locked): Likewise.
936         (Object::token): Likewise.
937         (Object::release): Likewise.
938         (Object::is_incremental): New function.
939         (Object::get_mtime): New function.
940         (Object::for_all_local_got_entries): New function.
941         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
942         (Object::set_is_in_system_directory): New function.
943         (Object::is_in_system_directory): New function.
944         (Object::do_is_incremental): New function.
945         (Object::do_get_mtime): New function.
946         (Object::do_for_all_local_got_entries): New function.
947         (Object::is_in_system_directory_): New data member.
948         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
949         (class Sized_relobj_base): New class.
950         (class Sized_relobj): Derive from Sized_relobj_base.
951         (class Sized_relobj::Symbols): Redeclare from base class.
952         (class Sized_relobj::local_got_offset_list): Remove.
953         (class Sized_relobj::Output_sections): Redeclare from base class.
954         (class Sized_relobj::do_for_all_local_got_entries): New function.
955         (class Sized_relobj::write_local_symbols): Add offset parameter.
956         (class Sized_relobj::local_symbol_offset_): Update comment.
957         (class Sized_relobj::local_dynsym_offset_): Update comment.
958         * options.cc (Input_arguments::add_file): Remove const.
959         * options.h (Input_file_argument::Input_file_argument):
960         Initialize arg_serial_ (all constructors).
961         (Input_file_argument::set_arg_serial): New function.
962         (Input_file_argument::arg_serial): New function.
963         (Input_file_argument::arg_serial_): New data member.
964         (Input_arguments::Input_arguments): Initialize file_count_.
965         (Input_arguments::add_file): Remove const.
966         (Input_arguments::number_of_input_files): New function.
967         (Input_arguments::file_count_): New data member.
968         (Command_line::number_of_input_files): Call
969         Input_arguments::number_of_input_files.
970         * output.cc (Output_segment_headers::Output_segment_headers):
971         Set current size.
972         (Output_section::Input_section::current_data_size): New function.
973         (Output_section::Output_section): Initialize new data members.
974         (Output_section::add_input_section): Don't do merge sections for
975         an incremental link; allocate space from free list for an
976         incremental update.
977         (Output_section::add_output_section_data): Allocate space from
978         free list for an incremental update.
979         (Output_section::update_data_size): New function.
980         (Output_section::set_fixed_layout): New function.
981         (Output_section::reserve): New function.
982         (Output_segment::set_section_addresses): Remove const.
983         (Output_segment::set_section_list_addresses): Remove const; allocate
984         space from free list for an incremental update.
985         (Output_segment::set_offset): Adjust size of RELRO segment for an
986         incremental update.
987         * output.h (Output_data::current_data_size): Move here from
988         child classes.
989         (Output_data::pre_finalize_data_size): New function.
990         (Output_data::update_data_size): New function.
991         (Output_section_headers::update_data_size): new function.
992         (Output_section_data_build::current_data_size): Move to Output_data.
993         (Output_data_strtab::update_data_size): New function.
994         (Output_section::current_data_size): Move to Output_data.
995         (Output_section::set_fixed_layout): New function.
996         (Output_section::has_fixed_layout): New function.
997         (Output_section::reserve): New function.
998         (Output_section::update_data_size): New function.
999         (Output_section::has_fixed_layout_): New data member.
1000         (Output_section::free_list_): New data member.
1001         (Output_segment::set_section_addresses): Remove const.
1002         (Output_segment::set_section_list_addresses): Remove const.
1003         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1004         New function.
1005         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1006         New function.
1007         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1008         parameter when calling Add_symbols constructor; store argument
1009         serial number for members of a lib group.
1010         (Add_symbols::locks): Allow case where token == NULL.
1011         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1012         (Read_member::~Read_member): New function.
1013         (Read_member::is_runnable): New function.
1014         (Read_member::locks): New function.
1015         (Read_member::run): New function.
1016         (Check_script::~Check_script): New function.
1017         (Check_script::is_runnable): New function.
1018         (Check_script::locks): New function.
1019         (Check_script::run): New function.
1020         (Check_library::~Check_library): New function.
1021         (Check_library::is_runnable): New function.
1022         (Check_library::locks): New function.
1023         (Check_library::run): New function.
1024         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1025         (Add_symbols::library_): New data member.
1026         (class Read_member): New class.
1027         (class Check_script): New class.
1028         (class Check_library): New class.
1029         * reloc.cc (Read_relocs::is_runnable): Allow case where
1030         token == NULL.
1031         (Read_relocs::locks): Likewise.
1032         (Scan_relocs::locks): Likewise.
1033         (Relocate_task::locks): Likewise.
1034         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1035         to clear counters.
1036         (Sized_relobj::incremental_relocs_scan): Fix comment.
1037         (Sized_relobj::do_relocate): Pass output file offset to
1038         write_local_symbols.
1039         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1040         from class declaration.
1041         * script.cc (read_input_script): Allocate Script_info; pass
1042         argument serial number to report_script.
1043         * script.h (class Script_info): Move to incremental.h.
1044         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1045         * symtab.h (Symbol_table::add_from_incrobj): New function.
1046         (Symbol_table::set_file_offset): New function.
1048 2011-04-05  Cary Coutant  <ccoutant@google.com>
1050         * incremental-dump.cc (dump_incremental_inputs): Change signature
1051         to take a Sized_incremental_binary; change caller.  Use readers
1052         in Sized_incremental_binary.
1053         * incremental.cc
1054         (Sized_incremental_binary::find_incremental_inputs_sections):
1055         Rename do_find_incremental_inputs_sections to this.
1056         (Sized_incremental_binary::setup_readers): New function.
1057         (Sized_incremental_binary::do_check_inputs): Check
1058         has_incremental_info_ flag; move setup code to setup_readers;
1059         use input readers.
1060         (Sized_incremental_binary::do_file_is_unchanged): New function.
1061         (Sized_incremental_binary::do_get_input_reader): New function.
1062         * incremental.h (class Incremental_binary): Move to end of file.
1063         (Incremental_binary::file_is_unchanged): New function.
1064         (Incremental_binary::do_file_is_unchanged): New function.
1065         (Incremental_binary::Input_reader): New class.
1066         (Incremental_binary::get_input_reader): New function.
1067         (class Sized_incremental_binary): Move to end of file.
1068         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1069         input section reader classes.
1070         (Sized_incremental_binary::has_incremental_info): New function.
1071         (Sized_incremental_binary::inputs_reader): New function.
1072         (Sized_incremental_binary::symtab_reader): New function.
1073         (Sized_incremental_binary::relocs_reader): New function.
1074         (Sized_incremental_binary::got_plt_reader): New function.
1075         (Sized_incremental_binary::do_file_is_unchanged): New function.
1076         (Sized_incremental_binary::Sized_input_reader): New class.
1077         (Sized_incremental_binary::get_input_reader): New function.
1078         (Sized_incremental_binary::find_incremental_inputs_sections):
1079         Rename do_find_incremental_inputs_sections to this.
1080         (Sized_incremental_binary::setup_readers): New function.
1081         (Sized_incremental_binary::has_incremental_info_): New data member.
1082         (Sized_incremental_binary::inputs_reader_): New data member.
1083         (Sized_incremental_binary::symtab_reader_): New data member.
1084         (Sized_incremental_binary::relocs_reader_): New data member.
1085         (Sized_incremental_binary::got_plt_reader_): New data member.
1086         (Sized_incremental_binary::current_input_file_): New data member.
1088 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1090         PR gold/12640
1091         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1092         violation.
1094 2011-03-30  Cary Coutant  <ccoutant@google.com>
1096         * archive.cc (Archive::include_member): Adjust call to report_object.
1097         (Add_archive_symbols::run): Add script_info to call to
1098         report_archive_begin.
1099         (Lib_group::include_member): Adjust call to report_object.
1100         (Add_lib_group_symbols::run): Adjust call to report_object.
1101         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1102         blocks.  Add object count for script input files.
1103         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1104         script_info parameter; change all callers.
1105         (Incremental_inputs::report_object): Add script_info parameter;
1106         change all callers.
1107         (Incremental_inputs::report_script): Store backpointer to
1108         incremental info entry.
1109         (Output_section_incremental_inputs::set_final_data_size): Record
1110         additional information for scripts.
1111         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1112         * incremental.h (Incremental_script_entry::add_object): New function.
1113         (Incremental_script_entry::get_object_count): New function.
1114         (Incremental_script_entry::get_object): New function.
1115         (Incremental_script_entry::objects_): New data member; adjust
1116         constructor.
1117         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1118         (Incremental_inputs::report_object): Add script_info parameter.
1119         (Incremental_inputs_reader::get_object_count): New function.
1120         (Incremental_inputs_reader::get_object_offset): New function.
1121         * options.cc (Input_arguments::add_file): Return reference to
1122         new input argument.
1123         * options.h (Input_argument::set_script_info): New function.
1124         (Input_argument::script_info): New function.
1125         (Input_argument::script_info_): New data member; adjust all
1126         constructors.
1127         (Input_file_group::add_file): Return reference to new input argument.
1128         (Input_file_lib::add_file): Likewise.
1129         (Input_arguments::add_file): Likewise.
1130         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1131         * script.cc (Parser_closure::Parser_closure): Add script_info
1132         parameter; adjust all callers.
1133         (Parser_closure::script_info): New function.
1134         (Parser_closure::script_info_): New data member.
1135         (read_input_script): Report scripts earlier to incremental info.
1136         (script_add_file): Set script_info in Input_argument.
1137         (script_add_library): Likewise.
1138         * script.h (Script_options::Script_info): Rewrite class.
1140 2011-03-29  Cary Coutant  <ccoutant@google.com>
1142         * archive.cc (Library_base::should_include_member): Move
1143         method here from class Archive.
1144         (Archive::Archive): Initialize base class.
1145         (Archive::should_include_member): Move to base class.
1146         (Archive::do_for_all_unused_symbols): New function.
1147         (Add_archive_symbols::run): Remove redundant access to
1148         incremental_inputs.
1149         (Lib_group::Lib_group): Initialize base class.
1150         (Lib_group::do_filename): New function.
1151         (Lib_group::include_member): Pass pointer to Lib_group to
1152         report_object.
1153         (Lib_group::do_for_all_unused_symbols): New function.
1154         (Add_lib_group_symbols::run): Report archive information for
1155         incremental links.
1156         * archive.h (class Library_base): New base class.
1157         (class Archive): Derive from Library_base.
1158         (Archive::filename): Move to base class.
1159         (Archive::set_incremental_info): Likewise.
1160         (Archive::incremental_info): Likewise.
1161         (Archive::Should_include): Likewise.
1162         (Archive::should_include_member): Likewise.
1163         (Archive::Armap_entry): Remove.
1164         (Archive::Unused_symbol_iterator): Remove.
1165         (Archive::unused_symbols_begin): Remove.
1166         (Archive::unused_symbols_end): Remove.
1167         (Archive::do_filename): New function.
1168         (Archive::do_get_mtime): New function.
1169         (Archive::do_for_all_unused_symbols): New function.
1170         (Archive::task_): Move to base class.
1171         (Archive::incremental_info_): Likewise.
1172         (class Lib_group): Derive from Library_base.
1173         (Lib_group::do_filename): New function.
1174         (Lib_group::do_get_mtime): New function.
1175         (Lib_group::do_for_all_unused_symbols): New function.
1176         (Lib_group::task_): Move to base class.
1177         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1178         function.
1179         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1180         function.
1181         * incremental.cc (Incremental_inputs::report_archive_begin):
1182         Use Library_base; call library's get_mtime; add incremental inputs
1183         entry before members.
1184         (class Unused_symbol_visitor): New class.
1185         (Incremental_inputs::report_archive_end): Use Library_base; use
1186         visitor class to record unused symbols; don't add incremental inputs
1187         entry after members.
1188         (Incremental_inputs::report_object): Use Library_base.
1189         * incremental.h
1190         (Incremental_archive_entry::Incremental_archive_entry): Remove
1191         unused Archive parameter.
1192         (Incremental_inputs::report_archive_begin): Use Library_base.
1193         (Incremental_inputs::report_archive_end): Likewise.
1194         (Incremental_inputs::report_object): Likewise.
1195         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1196         function.
1197         * object.h (Object::for_all_global_symbols): New function.
1198         (Object::do_for_all_global_symbols): New function.
1199         (Sized_relobj::do_for_all_global_symbols): New function.
1200         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1201         function.
1202         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1203         function.
1205 2011-03-27  Ian Lance Taylor  <iant@google.com>
1207         * archive.cc (Archive::interpret_header): Return -1 if something
1208         goes wrong.  Change callers accordingly.
1210 2011-03-25  Cary Coutant  <ccoutant@google.com>
1212         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1213         * testsuite/Makefile.in: Regenerate.
1215 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1217         * plugin.cc (get_view): New.
1218         (Plugin::load): Pass get_view to the plugin.
1219         (Plugin_manager::get_view): New.
1221 2011-03-21  Ian Lance Taylor  <iant@google.com>
1223         * testsuite/final_layout.sh: Rewrite to not use dc.
1224         * testsuite/relro_test.sh: Fail if dc is not present.
1226 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1228         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1229         Change == to -eq.
1230         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1231         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1232         Change == to -eq.
1233         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1234         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1236 2011-03-14  Ian Lance Taylor  <iant@google.com>
1238         * script-sections.cc (Sort_output_sections::script_compare):
1239         Rename from is_before, change return type.
1240         (Sort_output_sections::operator()): Adjust accordingly.
1242 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1244         PR gold/12572
1245         * testsuite/odr_violation2.cc: Add comment to make all error line
1246         numbers double digits.
1247         * testsuite/debug_msg.sh: Adjust expected errors.
1249 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1251         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1252         but mark earlier ones as non-canonical
1253         (offset_to_iterator): Update search target and example
1254         (do_addr2line): Return extra lines in a vector*
1255         (format_file_lineno): Extract from do_addr2line
1256         (one_addr2line): Add vector* out-param
1257         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1258         when a lineno entry appeared last for its instruction
1259         (Dwarf_line_info): Add vector* out-param
1260         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1261         * symtab.cc (Odr_violation_compare): Include the lineno in the
1262         comparison again.
1263         (linenos_from_loc): New. Combine the canonical line for an
1264         address with its other lines.
1265         (True_if_intersect): New. Helper functor to make
1266         std::set_intersection a query.
1267         (detect_odr_violations): Compare sets of lines instead of just
1268         one line for each function. This became less deterministic, but
1269         has fewer false positives.
1270         * symtab.h: Declarations.
1271         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1272         mix an optimized and non-optimized object in the same binary
1273         (odr_violation2.so): Same.
1274         * testsuite/Makefile.in: Regenerate from Makefile.am.
1275         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1276         * testsuite/debug_msg.sh: Update line numbers and add
1277         assertions.
1278         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1279         non-optimized context.
1280         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1281         isn't inlined, and use OdrDerived in an optimized context.
1282         * testsuite/odr_header1.h: Defines OdrDerived, where
1283         optimization will change the
1284         first-instruction-in-the-destructor's file and line number.
1285         * testsuite/odr_header2.h: Defines OdrBase.
1287 2011-03-09  Ian Lance Taylor  <iant@google.com>
1289         * fileread.cc (File_read::clear_views): Don't delete the whole
1290         file view.
1292 2011-03-08  Ian Lance Taylor  <iant@google.com>
1294         PR gold/12525
1295         * fileread.cc: #include <climits>.
1296         (GOLD_IOV_MAX): Define.
1297         (File_read::read_multiple): Limit number of entries by iov_max.
1298         * fileread.h (class File_read): Always set max_readv_entries to
1299         128.
1301 2011-03-07  Ian Lance Taylor  <iant@google.com>
1303         PR gold/12525
1304         * options.h (class General_options): Add -dy and -dn.
1306 2011-03-02  Cary Coutant  <ccoutant@google.com>
1308         * testsuite/script_test_9.t: Add TLS segment.
1310 2011-03-02  Simon Baldwin  <simonb@google.com>
1312         * configure.ac: Add check for gnu_indirect_function support in
1313         the toolchain building binutils.
1314         * configure: Rebuild.
1316 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1318         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1319         plugin only symbols.
1320         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1321         in plugin files as not needed in the symbol table.
1323 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1325         * output.cc (Output_section::add_input_section): Delay fill
1326         generation for section ordering.
1328 2011-02-09  Ian Lance Taylor  <iant@google.com>
1330         PR gold/12316
1331         * object.h (class Sized_relobj): Remove clear_local_symbols.
1332         * reloc.cc (Sized_relobj::do_relocate): Don't call
1333         clear_local_symbols.
1335 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1337         * plugin.cc (is_visible_from_outside): Return true for symbols
1338         in the -u option.
1340 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1342         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1343         filename.
1345 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1347         * icf.h (is_section_foldable_candidate): Change type of parameter
1348         to std::string.
1349         * icf.cc (Icf::find_identical_sections): Change type of local variable
1350         section_name to be std::string.
1351         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1353 2011-01-25  Ian Lance Taylor  <iant@google.com>
1355         * script.cc (script_add_extern): Rewrite to use
1356         add_symbol_reference.
1358 2011-01-25  Doug Kwan  <dougkwan@google.com>
1360         * icf.cc (get_section_contents): Always lock section's object.
1362 2011-01-24  Ian Lance Taylor  <iant@google.com>
1364         * options.h (class General_options): Accept
1365         --no-detect-odr-violations.
1367 2011-01-24  Ian Lance Taylor  <iant@google.com>
1369         * version.cc (version_string): Bump to 1.11.
1371 2011-01-24  Ian Lance Taylor  <iant@google.com>
1373         * plugin.cc (class Plugin_rescan): Define new class.
1374         (Plugin_manager::claim_file): Set any_claimed_.
1375         (Plugin_manager::save_archive): New function.
1376         (Plugin_manager::save_input_group): New function.
1377         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1378         necessary.
1379         (Plugin_manager::new_undefined_symbol): New function.
1380         (Plugin_manager::rescan): New function.
1381         (Plugin_manager::rescannable_defines): New function.
1382         (Plugin_manager::add_input_file): Set any_added_.
1383         * plugin.h (class Plugin_manager): define new fields rescannable_,
1384         undefined_symbols_, any_claimed_, and any_added_.  Declare
1385         Plugin_rescan as friend.  Declare new functions.
1386         (Plugin_manager::Rescannable): Define type.
1387         (Plugin_manager::Rescannable_list): Define type.
1388         (Plugin_manager::Undefined_symbol_list): Define type.
1389         (Plugin_manager::Plugin_manager): Initialize new fields.
1390         * archive.cc (Archive::defines_symbol): New function.
1391         (Add_archive_symbols::run): Pass archive to plugins if any.
1392         * archive.h (class Archive): Declare defines_symbol.
1393         * readsyms.cc (Input_group::~Input_group): New function.
1394         (Finish_group::run): Pass input_group to plugins if any.
1395         * readsyms.h (class Input_group): Declare destructor.
1396         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1397         any.
1399 2011-01-10  Ian Lance Taylor  <iant@google.com>
1401         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1402         section as relro.
1403         (Layout::set_segment_offsets): Reset increase_relro before calling
1404         set_section_addresses a second time.
1406 2011-01-04  Cary Coutant  <ccoutant@google.com>
1408         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1409         sections before NOBITS sections.
1411 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1413         * version.cc (print_version): Update copyright to 2011.
1415 2010-12-23  Cary Coutant  <ccoutant@google.com>
1417         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1418         of OS to this->add.  Add OD parameter to second form of the function.
1420 2010-12-20  Ian Lance Taylor  <iant@google.com>
1422         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1423         second of two consecutive entries with same offset.
1425 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1427         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1428         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1429         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1430         to avoid unneeded links against $(LDADD).
1431         * testsuite/Makefile.in: Regenerate.
1433 2010-12-15  Ian Lance Taylor  <iant@google.com>
1435         PR gold/12324
1436         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1437         for R_X86_64_32 and R_X86_64_PC32.
1438         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1439         ver_matching_def_pic.o.
1440         (ver_matching_def_pic.o): New target.
1442 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1444         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
1445         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
1446         Move definition before File_read::View member definitions.
1447         (File_read::View::~View): Initialize and hold lock before
1448         updating current_mapped_bytes.
1450 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1452         * dwarf_reader.cc: Remove outdated comment.
1453         * gold-threads.cc: Fix typo in error message.
1454         * archive.cc: Fix typos in comments.
1455         * archive.h: Likewise.
1456         * arm-reloc-property.cc: Likewise.
1457         * arm-reloc-property.h: Likewise.
1458         * arm-reloc.def: Likewise.
1459         * arm.cc: Likewise.
1460         * attributes.h: Likewise.
1461         * cref.cc: Likewise.
1462         * ehframe.cc: Likewise.
1463         * fileread.h: Likewise.
1464         * gold.h: Likewise.
1465         * i386.cc: Likewise.
1466         * icf.cc: Likewise.
1467         * incremental.h: Likewise.
1468         * int_encoding.cc: Likewise.
1469         * layout.h: Likewise.
1470         * main.cc: Likewise.
1471         * merge.h: Likewise.
1472         * object.cc: Likewise.
1473         * object.h: Likewise.
1474         * options.cc: Likewise.
1475         * readsyms.cc: Likewise.
1476         * reduced_debug_output.cc: Likewise.
1477         * reloc.cc: Likewise.
1478         * script-sections.cc: Likewise.
1479         * sparc.cc: Likewise.
1480         * symtab.h: Likewise.
1481         * target-reloc.h: Likewise.
1482         * target.cc: Likewise.
1483         * target.h: Likewise.
1484         * timer.cc: Likewise.
1485         * timer.h: Likewise.
1486         * x86_64.cc: Likewise.
1488 2010-12-09  Cary Coutant  <ccoutant@google.com>
1490         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
1491         stack.
1492         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
1493         parameter; change all callers.
1494         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
1495         * options.h (warn_execstack): New option.
1497 2010-12-07  Doug Kwan  <dougkwan@google.com>
1499         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
1500         like function call relocations.
1502 2010-12-07  Ian Lance Taylor  <iant@google.com>
1504         * archive.cc (Archive::get_elf_object_for_member): Permit
1505         punconfigured to be NULL.
1506         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
1507         (Archive::include_member): Pass NULL to get_elf_object_for_member
1508         if we searched for the archive and this is the first included
1509         object.
1511 2010-12-01  Ian Lance Taylor  <iant@google.com>
1513         * dwarf_reader.h (class Sized_dwarf_line_info): Add
1514         track_relocs_type_ field.
1515         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1516         Set track_relocs_type_.
1517         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
1518         contents when using RELA relocs.
1519         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
1520         reloc_map_.
1521         * reloc.cc (Track_relocs::next_addend): New function.
1522         * reloc.h (class Track_relocs): Declare next_addend.
1524 2010-12-01  Ian Lance Taylor  <iant@google.com>
1526         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
1527         virtual destructor.
1529 2010-12-01  Ian Lance Taylor  <iant@google.com>
1531         * README: Update compilers known to work and fail.
1533 2010-11-23  Matthias Klose  <doko@ubuntu.com>
1535         * configure.in: For --enable-gold, handle value `default' instead of
1536         `both*'.  Always install ld as ld.bfd, install as ld if gold is
1537         not the default.
1538         * configure: Regenerate.
1540 2010-11-18  Doug Kwan  <dougkwan@google.com>
1542         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
1543         and right_alignment to be zero.  Store result alignment only if it is
1544         greater than existing alignment.
1546 2010-11-16  Cary Coutant  <ccoutant@google.com>
1548         PR gold/12220
1549         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1550         Check for ".zdebug_line".
1552 2010-11-16  Doug Kwan  <dougkwan@google.com>
1553             Cary Coutant  <ccoutant@google.com>
1555         * output.h (Output_segment::set_section_addresses): Pass increase_relro
1556         by reference; adjust all callers.
1557         * output.cc (Output_segment::set_section_addresses): Adjust references
1558         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
1559         list is empty.
1560         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
1561         end at page boundary.
1563 2010-11-16  Cary Coutant  <ccoutant@google.com>
1565         PR gold/12220
1566         * layout.cc (Layout::choose_output_section): Transform names of
1567         compressed sections even when using a script with a SECTIONS clause.
1568         (Layout::output_section_name): Remove code to transform
1569         compressed debug section names.
1570         * output.cc (Output_section::add_input_section): Use uncompressed
1571         section size when tracking input sections.
1573 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
1575         * symtab.h (Symbol::NON_PIC_REF): Remove.
1576         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
1577         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
1578         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
1579         (Symbol::use_plt_offset): Take a flags argument and pass it
1580         directly to needs_dynamic_reloc.  Restrict check for undefined
1581         weak symbols to function calls.
1582         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
1583         (Target_arm::Scan::global): Use it.
1584         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
1585         (Target_arm::Relocate::relocate): Likewise.
1586         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
1587         parameter with an r_type parameter.  Use get_reference_flags
1588         to get the flags.
1589         (Target_arm::Relocate::relocate): Update accordingly.
1590         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
1591         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
1592         (Target_i386::Scan::global): Likewise.
1593         (Target_i386::Relocate::relocate): Likewise.
1594         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
1595         parameter with an r_type parameter.  Use get_reference_flags
1596         to get the flags.
1597         (Target_i386::Relocate::relocate): Update accordingly.
1598         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1599         (Target_powerpc::Scan::global): Use it.
1600         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1601         (Target_powerpc::Relocate::relocate): Likewise.
1602         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1603         (Target_sparc::Scan::global): Use it.
1604         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1605         (Target_sparc::Relocate::relocate): Likewise.
1606         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1607         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1608         (Target_x86_64::Scan::global): Likewise.
1609         (Target_x86_64::Relocate::relocate): Likewise.
1611 2010-11-08  Doug Kwan  <dougkwan@google.com>
1612             Cary Coutant  <ccoutant@google.com>
1614         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1615         (Arm_exidx_merge_section::section_contents_): New data member.
1616         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1617         (Arm_input_section::~Arm_input_section): De-allocate memory.
1618         (Arm_input_section::original_contents_): New data member.       
1619         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1620         in parameters instead of calling Object::section_contents without
1621         locking.
1622         (Arm_output_section::group_section): New parameter TASK.  Pass it
1623         to callees that need locking objects.
1624         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1625         to lock EXIDX input sections.  Fix a formatting issue.  Call
1626         Arm_exidx_merged_section::build_contents to create merged section
1627         contents.
1628         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1629         to lock object of stub table owner.
1630         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1631         TEXT_SIZE to initialize data member TEXT_SIZE_.
1632         (Arm_exidx_input_section::addralign): Fix typo in comment.
1633         (Arm_exidx_input_section::text_size): New method.
1634         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1635         that require locking objects.  Lock objects before scanning for stubs
1636         and updating local symbols.
1637         (Arm_input_section<big_endian>::init): Copy contents of original
1638         input section.
1639         (Arm_input_section<big_endian>::do_write): Use saved contents of
1640         original input section instead of calling Object::section_contents
1641         without locking.
1642         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1643         size without calling Object::section_size().
1644         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1645         for size.  Allocate a buffer for merged EXIDX entries.
1646         (Arm_exidx_merged_section::build_contents): New method.
1647         (Arm_exidx_merged_section::do_write): Move merge section contents
1648         building code to Arm_exidx_merged_section::build_contetns.  Write
1649         out contetns in buffer instead of building it on the fly.
1650         (Arm_relobj::make_exidx_input_section): Also pass text section size
1651         to Arm_exidx_input_section constructor.
1652         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1653         (Arm_dynobj::do_read_symbols): Fix memory leak.
1654         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1655         * target.h: (class Task): Add forward declaration.
1656         (Target::relax): Add new parameter TASK and pass it to
1657         Target::do_relax().
1658         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1660 2010-11-05  Cary Coutant  <ccoutant@google.com>
1662         PR gold/10708
1663         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1664         object when reading from the file.
1665         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1666         second layout pass.
1667         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1668         when reading section contents.
1669         (get_section_contents): Likewise.
1670         (icf::find_identical_sections): Likewise.
1671         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1672         object when reading from the file.
1673         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1674         the object when doing deferred section layout.
1676 2010-11-03  Nick Clifton  <nickc@redhat.com>
1678         PR gold/12001
1679         * script.h (class Symbol_assignment: name): New member.  Returns
1680         the name of the symbol.
1681         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1682         Returns true if the given symbol name is on the list of
1683         assignments wating to be processed.
1684         * archive.cc (should_incldue_member): If the symbol is undefined,
1685         check to see if it is on the list of symbols pending assignment.
1687 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1689         * script-sections.cc (Script_sections::find_memory_region): Check
1690         for a NULL output section pointer.
1692 2010-10-29  Doug Kwan  <dougkwan@google.com>
1694         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1695         Output_section::add_relaxed_input_section.
1696         * output.cc (Output_section::add_relaxed_input_section): Add new
1697         arguments LAYOUT and NAME.  Set section order index.
1698         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1699         Copy section order index.
1700         * output.h (Output_section::add_relaxed_input_section): Add new
1701         arguments LAYOUT and NAME.
1703 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1705         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1706         NATIVE_OR_CROSS_LINKER.
1707         * testsuite/Makefile.in: Regenerate.
1709 2010-10-20  Doug Kwan  <dougkwan@google.com>
1711         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1712         without SHF_LINK_ORDER flags.
1713         * layout.cc (Layout::choose_output_section): Do not filter
1714         SHF_LINK_ORDER flag in a relocatable link.
1716 2010-10-17  Cary Coutant  <ccoutant@google.com>
1718         * output.h (Output_segment::set_section_addresses): Change function
1719         signature.  Update all callers.
1720         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1721         sections.
1722         (Output_segment::set_section_addresses): Align after last TLS
1723         section.  Add padding before last relro section instead of after.
1725 2010-10-17  Doug Kwan  <dougkwan@google.com>
1727         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1728         GOT output section to be writable.
1730 2010-10-14  Cary Coutant  <ccoutant@google.com>
1732         * debug.h (DEBUG_INCREMENTAL): New flag.
1733         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1734         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1735         mode.
1736         * incremental.cc (report_command_line): Ignore all forms of
1737         --incremental.
1738         * layout.cc (Layout::Layout): Check parameters for incremental link
1739         mode.
1740         * options.cc (General_options::parse_incremental): New function.
1741         (General_options::parse_no_incremental): New function.
1742         (General_options::parse_incremental_full): New function.
1743         (General_options::parse_incremental_update): New function.
1744         (General_options::incremental_mode_): New data member.
1745         (General_options::finalize): Check incremental_mode_.
1746         * options.h (General_options): Update help text for --incremental.
1747         Add --no-incremental, --incremental-full, --incremental-update.
1748         (General_options::Incremental_mode): New enum type.
1749         (General_options::incremental_mode): New function.
1750         (General_options::incremental_mode_): New data member.
1751         * parameters.cc (Parameters::incremental_mode_): New data member.
1752         (Parameters::set_options): Set incremental_mode_.
1753         (Parameters::set_incremental_full): New function.
1754         (Parameters::incremental): New function.
1755         (Parameters::incremental_update): New function.
1756         (set_parameters_incremental_full): New function.
1757         * parameters.h (Parameters::set_incremental_full): New function.
1758         (Parameters::incremental): New function.
1759         (Parameters::incremental_update): New function.
1760         (Parameters::incremental_mode_): New data member.
1761         (set_parameters_incremental_full): New function.
1762         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1763         incremental link mode.
1764         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1765         (Sized_relobj::do_relocate_sections): Likewise.
1766         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1767         option.
1768         * testsuite/Makefile.in: Regenerate.
1769         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1771 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1773         * script-sections.h (class Script_sections): Make
1774         Sections_elements typedef public.
1775         * script-sections.cc (class Sort_output_sections): Add elements_
1776         field.  Add constructor which sets it; change all callers.
1777         (Sort_output_sections::is_before): New function.
1778         (Sort_output_sections::operator()): Call is_before.
1779         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1780         conditional.
1781         * testsuite/script_test_10.sh: New test. Test script section
1782         order.
1783         * testsuite/script_test_10.t: Likewise.
1784         * testsuite/script_test_10.s: Likewise.
1785         * testsuite/Makefile.am: Wrap the cross linker tests and the
1786         common tests into NATIVE_OR_CROSS_LINKER.
1787         (check_SCRIPTS): Add script_test_10.sh.
1788         (check_DATA): Add script_test_10.stdout.
1789         (script_test_10.o, script_test_10): New targets.
1790         (script_test_10.stdout): New target.
1791         * configure, testsuite/Makefile.in: Regenerate.
1793 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1795         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1796         error for the deprecated relocations.
1797         (Target_arm::Scan::global): Likewise.
1798         (Target_arm::Relocate::relocate): Likewise.
1800 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1802         * fileread.cc (Input_file::find_file): Initialize *found_name
1803         and *namep when using the fallback search for case 4.
1805 2010-10-11  Cary Coutant  <ccoutant@google.com>
1807         * options.h (class General_options): Redefine -z lazy as an alias for
1808         the negation of -z now.
1810 2010-10-11  Ian Lance Taylor  <iant@google.com>
1812         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1813         binding.
1815 2010-10-06  Nick Clifton  <nickc@redhat.com>
1817         * script-sections.cc(class Memory_region): Remove
1818         current_lma_offset_ field.  Rename current_vma_offset_ to
1819         current_offset_.  Add last_section_ field.
1820         (Memory_region::get_current_vma_address): Rename to
1821         get_current_address.
1822         (Memory_region::get_current_lma_address): Delete.
1823         (Memory_region::increment_vma_offset): Rename to
1824         increment_offset.
1825         (Memory_region::increment_lma_offset): Delete.
1826         (Memory_region::attributes_compatible): New method.  Returns
1827         true if the provided section is compatible with the region.
1828         (Memory_region::get_last_section): New method.  Returns the last
1829         section to use the region.
1830         (Memory_region::set_last_section): New method.  Stores the last
1831         section to use the region.
1832         (Script_sections::block_in_region): New method.  Returns true if
1833         a block of memory is contained within a region.
1834         (Script_sections::find_memory_region): New method.  Locates a
1835         memory region to be used to set a VMA or LMA address.
1836         (Output_section_definition::set_section_addresses): Add code to
1837         check for addresses set by memory regions.
1838         (Output_segment::set_section_addresses): Remove memory region
1839         walking code.
1840         (Script_sections::create_segment): Add a warning if a header
1841         segment is created outside of any region.
1842         * script-sections.h (class Script_sections): Add prototypes for
1843         find_memory_region and block_in_region methods.
1844         * testsuite/memory_test.s: Use .long instead of .word.
1845         * testsuite/memory_test.t: Add some more output sections.
1846         * testsuite/memory_test.sh: Update expected output.
1848 2010-10-02  Doug Kwan  <dougkwan@google.com>
1850         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1851         defintion to symtab.h
1852         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1853         declaration to defintion.
1855 2010-10-01  Nick Clifton  <nickc@redhat.com>
1857         * expression.cc (eval): Replace dummy argument with NULL.
1858         (eval_maybe_dot): Check for a NULL result section pointer.
1859         (Symbol_expression::value): Likewise.
1860         (Dot_expression::value): Likewise.
1861         (BINARY_EXPRESSION): Likewise.
1862         (Max_expression::value): Likewise.
1863         (Min_expression::value): Likewise.
1864         (Absolute_expression::value): Likewise.
1865         (Addr_expression::value_from_output_section): Likewise.
1866         (Loaddddr_expression::value_from_output_section): Likewise.
1867         (Segment_start_expression::value): Likewise.
1868         * script-sections.cc
1869         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1870         argument with NULL.
1871         (Sections_elememt_dot_assignment::set_section_addresses):
1872         Likewise.
1873         (Output_data_expression::do_write_to_buffer): Likewise.
1874         (Output_section_definition::finalize_symbols): Likewise.
1875         (Output_section_definition::set_section_addresses): Likewise.
1877 2010-09-30  Doug Kwan  <dougkwan@google.com>
1879         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1881 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1883         * target.h (Target::can_icf_inline_merge_sections): New virtual
1884         function.
1885         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1886         virtual function.
1887         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1888         virtual function.
1889         * icf.cc (get_section_contents): Inline merge sections only when
1890         target allows it.
1892 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1894         * configure: Regenerate.
1896 2010-09-17  Ian Lance Taylor  <iant@google.com>
1898         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1899         * testsuite/Makefile.am (memory_test.o): New target.
1900         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1901         memory_test.t.
1902         * testsuite/Makefile.in: Rebuild.
1904 2010-09-17  Doug Kwan  <dougkwan@google.com>
1906         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
1907         defintion if relocation uses GOT entries of the symbol.
1908         * testsuite/icf_safe_test.sh: Fix test.
1909         * testsuite/icf_safe_so_test.sh: Fix test.
1911 2010-09-16  Cary Coutant  <ccoutant@google.com>
1913         * script_sections.cc (class Memory_region): Remove "NULL" from
1914         vector initializations.
1916 2010-09-15  Cary Coutant  <ccoutant@google.com>
1918         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
1919         Resolve forwarding symbols.
1921 2010-09-15  Doug Kwan  <dougkwan@google.com>
1923         * gold/testsuite/script_test_3.t: Add ARM special sections.
1924         * gold/testsuite/script_test_4.t: Same.
1925         * gold/testsuite/script_test_5.t: Same.
1926         * gold/testsuite/script_test_6.t: Same.
1927         * gold/testsuite/script_test_7.t: Same.
1928         * gold/testsuite/script_test_7.t: Same.
1929         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
1931 2010-09-14  Cary Coutant  <ccoutant@google.com>
1933         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
1934         (Target_x86_64::Relocate::relocate_tls): Replace check for
1935         saw_tls_block_reloc_ with test for executable section.
1937 2010-09-12  Cary Coutant  <ccoutant@google.com>
1939         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
1940         position-independent executables to shared libraries need dynamic
1941         relocations.
1942         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
1943         position-independent executables.
1944         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
1945         * testsuite/Makefile.in: Regenerate.
1947 2010-09-10  Nick Clifton  <nickc@redhat.com>
1949         PR gold/11997
1950         * testsuite/memory_test.t: Discard any sections that are not
1951         needed.
1953 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1955         PR gold/11996
1956         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
1957         "This::" to work around a bug in gcc 4.2.
1959         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
1961 2010-09-09  Rafael Espindola  <espindola@google.com>
1963         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
1964         sections with different PF_X flags in the same segment.
1965         (Layout::find_first_load_seg): Search all segments to find the first
1966         one.
1967         * options.h (rosegment): New.
1969 2010-09-08  Rafael Espindola  <espindola@google.com>
1971         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
1973 2010-09-08  Doug Kwan  <dougkwan@google.com>
1975         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
1976         (Arm_relobj::do_relocate_sections): Add new parameter for output
1977         file to match the parent.
1978         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
1979         of local symbols instead of input values.  Update code to track
1980         changes in gold::relocate_section.
1981         * object.cc (Sized_relobj::compute_final_local_value): New methods.
1982         (Sized_relobj::compute_final_local_value_internal): New methods.
1983         (Sized_relobj::do_finalize_local_symbols): Move code from loop
1984         body into private version of Sized_relobj::compute_final_local_value.
1985         Call the inline method.
1986         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
1987         merged symbol value if there is one.
1988         (Symbol_value::has_output_value): New method defintiion.
1989         (Sized_relobj::Compute_final_local_value_status): New enum type.
1990         (Sized_relobj::compute_final_local_value): New methods.
1991         (Sized_relobj::compute_final_local_value_internal): New methods.
1992         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
1993         and arm_cortex_a8.sh.
1994         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
1995         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
1996         New tests.
1997         * Makefile.in: Regenerate.
1998         * testsuite/arm_bl_out_of_range.s: Update test.
1999         * testsuite/thumb_bl_out_of_range.s: Ditto.
2000         * testsuite/thumb_blx_out_of_range.s: Ditto.
2001         * testsuite/arm_branch_out_of_range.sh: New file.
2002         * testsuite/arm_cortex_a8.sh: Ditto.
2003         * testsuite/arm_cortex_a8_b.s: Ditto.
2004         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2005         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2006         * testsuite/arm_cortex_a8_bl.s: Ditto.
2007         * testsuite/arm_cortex_a8_blx.s: Ditto.
2008         * testsuite/arm_cortex_a8_local.s: Ditto.
2009         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2010         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2012 2010-09-08  Rafael Espindola  <espindola@google.com>
2014         * Makefile.am (memory_test.stdout): Run readelf with -W.
2015         * Makefile.in: Regenerate.
2016         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2017         64 bit output.
2019 2010-09-08  Rafael Espindola  <espindola@google.com>
2021         * script-sections.cc (Script_sections::add_memory_region): Convert
2022         field precision to int.
2023         * script.cc (script_set_section_region, script_set_section_region):
2024         Convert field precision to int.
2026 2010-09-08  Rafael Espindola  <espindola@google.com>
2028         * arm.cc (do_finalize_sections): Create the __exidx_start and
2029         __exdix_end symbols even when the section is missing.
2031 2010-09-08  Nick Clifton  <nickc@redhat.com>
2033         * README: Remove claim that MEMORY is not supported.
2034         * expression.cc (script_exp_function_origin)
2035         (script_exp_function_length): Move from here to ...
2036         * script.cc: ... here.
2037         (script_set_section_region, script_add_memory)
2038         (script_parse_memory_attr, script_include_directive): New
2039         functions.
2040         * script-sections.cc
2041         (class Memory_region): New class.
2042         (class Output_section_definition): Add set_memory_region,
2043         set_section_vma, set_section_lma and get_section_name methods.
2044         (class Script_Sections): Add add_memory_region,
2045         find_memory_region, find_memory_region_origin,
2046         find_memory_region_length and set_memory_region methods.
2047         Have set_section_addresses method walk the list of set memory
2048         regions.
2049         Extend the print methos to display memory regions.
2050         * script-sections.h: Add prototypes for new methods.
2051         Add enum for MEMORY region attributes.
2052         * yyscript.y: Add support for parsing MEMORY regions.
2053         * script-c.h: Add prototypes for new functions.
2054         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2055         * testsuite/Makefile.in: Regenerate.
2056         * testsuite/memory_test.sh: New script.
2057         * testsuite/memory_test.s: New assembler source file.
2058         * testsuite/memory_test.t: New linker script.
2060 2010-08-27  Doug Kwan  <dougkwan@google.com>
2062         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2063         reference override an existing dynamic weak reference.
2064         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2065         * testsuite/Makefile.in: Regenerate.
2066         * testsuite/dyn_weak_ref.sh: New file.
2067         * testsuite/dyn_weak_ref_1.c: Ditto.
2068         * testsuite/dyn_weak_ref_2.c: Ditto.
2070 2010-08-27  Ian Lance Taylor  <iant@google.com>
2072         * incremental.h (class Incremental_input_entry): Add virtual
2073         destructor.
2075 2010-08-27  Ian Lance Taylor  <iant@google.com>
2077         * testsuite/start_lib_test_3.c: Mark t3 as used.
2079 2010-08-27  Nick Clifton  <nickc@redhat.com>
2081         * options.cc (version_script): Fix small typo in previous
2082         whitespace tidyup.
2084 2010-08-25  Nick Clifton  <nickc@redhat.com>
2086         * archive.cc: Formatting fixes: Remove whitespace between
2087         typename and following asterisk.  Remove whitespace between
2088         function name and opening parenthesis.
2089         * archive.h: Likewise.
2090         * arm.cc: Likewise.
2091         * attributes.cc: Likewise.
2092         * attributes.h: Likewise.
2093         * common.cc: Likewise.
2094         * copy-relocs.cc: Likewise.
2095         * dirsearch.h: Likewise.
2096         * dynobj.cc: Likewise.
2097         * ehframe.cc: Likewise.
2098         * ehframe.h: Likewise.
2099         * expression.cc: Likewise.
2100         * fileread.cc: Likewise.
2101         * fileread.h: Likewise.
2102         * gc.h: Likewise.
2103         * gold-threads.cc: Likewise.
2104         * gold.cc: Likewise.
2105         * i386.cc: Likewise.
2106         * icf.h: Likewise.
2107         * incremental-dump.cc: Likewise.
2108         * incremental.cc: Likewise.
2109         * layout.cc: Likewise.
2110         * layout.h: Likewise.
2111         * main.cc: Likewise.
2112         * merge.cc: Likewise.
2113         * merge.h: Likewise.
2114         * object.cc: Likewise.
2115         * object.h: Likewise.
2116         * options.cc: Likewise.
2117         * options.h: Likewise.
2118         * output.cc: Likewise.
2119         * output.h: Likewise.
2120         * plugin.cc: Likewise.
2121         * plugin.h: Likewise.
2122         * powerpc.cc: Likewise.
2123         * reloc.cc: Likewise.
2124         * script-c.h: Likewise.
2125         * script-sections.cc: Likewise.
2126         * script.cc: Likewise.
2127         * stringpool.cc: Likewise.
2128         * symtab.cc: Likewise.
2129         * symtab.h: Likewise.
2130         * target.cc: Likewise.
2131         * timer.cc: Likewise.
2132         * timer.h: Likewise.
2133         * version.cc: Likewise.
2134         * x86_64.cc: Likewise.
2136 2010-08-24  Nick Clifton  <nickc@redhat.com>
2138         PR 11899
2139         * layout.cc (segment_precedes): Sort segments by their physical
2140         addresses, if they have been set.
2142 2010-08-23  Cary Coutant  <ccoutant@google.com>
2144         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2145         symbols data.
2146         (Lib_group::include_member): Unlock object after deleting its
2147         symbols data.
2148         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2149         the bug fixed here.
2151 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2152             Cary Coutant  <ccoutant@google.com>
2154         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2155         constructor, and set_blocker.
2156         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2157         readsyms_blocker_.
2158         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2159         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2160         * testsuite/Makefile.am (start_lib_test): New test case.
2161         * testsuite/Makefile.in: Regenerate.
2162         * testsuite/start_lib_test_main.c: New file.
2163         * testsuite/start_lib_test_1.c: New file.
2164         * testsuite/start_lib_test_2.c: New file.
2165         * testsuite/start_lib_test_3.c: New file.
2167 2010-08-19  Ian Lance Taylor  <iant@google.com>
2169         * Makefile.in: Rebuild with automake 1.11.1.
2170         * aclocal.m4: Likewise.
2171         * testsuite/Makefile.in: Likewise.
2173 2010-08-19  Ian Lance Taylor  <iant@google.com>
2175         PR 10893
2176         * i386.cc (class Output_data_plt_i386): Update declarations.
2177         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2178         local_ifuncs_ fields.
2179         (Target_i386::do_plt_section_for_global): New function.
2180         (Target_i386::do_plt_section_for_local): New function.
2181         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2182         parameter; change all callers.  Initialize global_ifuncs_ and
2183         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2184         __rel_iplt_end.
2185         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2186         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2187         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2188         symbols.
2189         (Target_i386::make_plt_section): New function, broken out of
2190         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2191         (Target_i386::make_plt_entry): Call make_plt_section.
2192         (Target_i386::make_local_ifunc_plt_entry): New function.
2193         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2194         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2195         R_386_IRELATIVE to switch.
2196         (Target_i386::Scan::global): Likewise.
2197         (Target_i386::Relocate::relocate): Likewise.
2198         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2199         switch.
2200         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2201         (Target_x86_64::do_plt_section_for_global): New function.
2202         (Target_x86_64::do_plt_section_for_local): New function.
2203         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2204         parameter; change all callers.  If doing a static link define
2205         __rela_iplt_start and __rela_iplt_end.
2206         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2207         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2208         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2209         to point to .plt.
2210         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2211         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2212         switch.
2213         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2214         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2215         R_X86_64_IRELATIVE to switch.
2216         (Target_x86_64::Scan::global): Likewise.
2217         (Target_x86_64::Relocate::relocate): Likewise.
2218         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2219         switch.
2220         * target.h (class Target): Add plt_section_for_global and
2221         plt_section_for_local functions.  Add do_plt_section_for_global
2222         and do_plt_section_for_local virtual functions.
2223         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2224         clarifying comments.
2225         (Symbol::use_plt_offset): Handle IFUNC symbol.
2226         * object.cc (Sized_relobj::Sized_relobj): Initialize
2227         local_plt_offsets_.
2228         (Sized_relobj::local_has_plt_offset): New function.
2229         (Sized_relobj::local_plt_offset): New function.
2230         (Sized_relobj::set_local_plt_offset): New function.
2231         (Sized_relobj::do_count): Handle IFUNC symbol.
2232         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2233         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2234         is_ifunc_symbol functions.
2235         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2236         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2237         local_plt_offsets_ field.
2238         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2239         * output.h (class Output_section_data): Add non-const
2240         output_section function.
2241         (class Output_data_got): Update declarations.
2242         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2243         Add use_plt_offset parameter to global and local constructors.
2244         Change all callers.  Change local_sym_index_ field to 31 bits.
2245         Change GSYM_CODE and CONSTANT_CODE accordingly.
2246         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2247         doing a static link don't set sh_link field.
2248         (Output_data_got::Got_entry::write): Use PLT offset if
2249         appropriate.
2250         (Output_data_got::add_global_plt): New function.
2251         (Output_data_got::add_local_plt): New function.
2252         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2253         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2254         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2255         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2256         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2257         IFUNC conditional.
2258         * testsuite/ifunc-sel.h: New file.
2259         * testsuite/ifuncmain1.c: New file.
2260         * testsuite/ifuncmain1vis.c: New file.
2261         * testsuite/ifuncmod1.c: New file.
2262         * testsuite/ifuncdep2.c: New file.
2263         * testsuite/ifuncmain2.c: New file.
2264         * testsuite/ifuncmain3.c: New file.
2265         * testsuite/ifuncmod3.c: New file.
2266         * testsuite/ifuncmain4.c: New file.
2267         * testsuite/ifuncmain5.c: New file.
2268         * testsuite/ifuncmod5.c: New file.
2269         * testsuite/ifuncmain6pie.c: New file.
2270         * testsuite/ifuncmod6.c: New file.
2271         * testsuite/ifuncmain7.c: New file.
2272         * configure, testsuite/Makefile.in: Rebuild.
2274 2010-08-18  Ian Lance Taylor  <iant@google.com>
2276         * incremental.cc
2277         (Output_section_incremental_inputs::write_input_files): Add cast
2278         to avoid signed/unsigned comparison warning.
2279         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2281 2010-08-12  Cary Coutant  <ccoutant@google.com>
2283         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2285 2010-08-13  Ian Lance Taylor  <iant@google.com>
2287         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2289 2010-08-12  Cary Coutant  <ccoutant@google.com>
2290             Doug Kwan  <dougkwan@google.com>
2292         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2293         defintion overrides non-weak undef, remember that the original undef
2294         is not weak.
2295         * symtab.cc (Symbol_table::sized_write_global): For undef without
2296         an original weak binding, set binding to global in output.
2297         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2298         * testsuite/Makefile.in: Regenerate.
2299         * testsuite/strong_ref_weak_def.sh: New file.
2300         * testsuite/strong_ref_weak_def_1.c: Ditto.
2301         * testsuite/strong_ref_weak_def_2.c: Ditto.
2303 2010-08-12  Cary Coutant  <ccoutant@google.com>
2305         * testsuite/incremental_test.sh: Rewrite.
2306         * testsuite/incremental_test_1.c: Rewrite.
2307         * testsuite/incremental_test_2.c: Rewrite.
2309 2010-08-12  Cary Coutant  <ccoutant@google.com>
2311         * arm.cc (Target_arm::got_size): Add const.
2312         (Target_arm::got_entry_count): New function.
2313         (Target_arm::plt_entry_count): New function.
2314         (Target_arm::first_plt_entry_offset): New function.
2315         (Target_arm::plt_entry_size): New function.
2316         (Output_data_plt_arm::entry_count): New function.
2317         (Output_data_plt_arm::first_plt_entry_offset): New function.
2318         (Output_data_plt_arm::get_plt_entry_size): New function.
2319         * i386.cc (Target_i386::got_size): Add const.
2320         (Target_i386::got_entry_count): New function.
2321         (Target_i386::plt_entry_count): New function.
2322         (Target_i386::first_plt_entry_offset): New function.
2323         (Target_i386::plt_entry_size): New function.
2324         (Output_data_plt_i386::entry_count): New function.
2325         (Output_data_plt_i386::first_plt_entry_offset): New function.
2326         (Output_data_plt_i386::get_plt_entry_size): New function.
2327         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2328         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2329         * incremental.cc: Include target.h.
2330         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2331         parameter.  Adjust all callers.  Find incremental_got_plt section.
2332         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2333         section.
2334         (Output_section_incremental_inputs::set_final_data_size): Calculate
2335         size of incremental_got_plt section.
2336         (Output_section_incremental_inputs::do_write): Write the
2337         incremental_got_plt section.
2338         (Got_plt_view_info): New struct.
2339         (Local_got_offset_visitor): New class.
2340         (Global_got_offset_visitor): New class.
2341         (Global_symbol_visitor_got_plt): New class.
2342         (Output_section_incremental_inputs::write_got_plt): New function.
2343         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2344         Add parameter.  Adjust all callers.
2345         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2346         (Incremental_inputs::got_plt_section): New function.
2347         (Incremental_inputs::got_plt_section_): New data member.
2348         (Incremental_got_plt_reader): New class.
2349         * layout.cc (Layout::create_incremental_info_sections): Add the
2350         incremental_got_plt section.
2351         * object.h (Got_offset_list::get_list): New function.
2352         (Got offset_list::for_all_got_offsets): New function.
2353         (Sized_relobj::local_got_offset_list): New function.
2354         * powerpc.cc (Target_powerpc::got_size): Add const.
2355         (Target_powerpc::got_entry_count): New function.
2356         (Target_powerpc::plt_entry_count): New function.
2357         (Target_powerpc::first_plt_entry_offset): New function.
2358         (Target_powerpc::plt_entry_size): New function.
2359         (Output_data_plt_powerpc::entry_count): New function.
2360         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2361         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2362         * sparc.cc (Target_sparc::got_size): Add const.
2363         (Target_sparc::got_entry_count): New function.
2364         (Target_sparc::plt_entry_count): New function.
2365         (Target_sparc::first_plt_entry_offset): New function.
2366         (Target_sparc::plt_entry_size): New function.
2367         (Output_data_plt_sparc::entry_count): New function.
2368         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2369         (Output_data_plt_sparc::get_plt_entry_size): New function.
2370         * symtab.h (Symbol::got_offset_list): New function.
2371         (Symbol_table::for_all_symbols): New function.
2372         * target.h (Sized_target::got_entry_count): New function.
2373         (Sized_target::plt_entry_count): New function.
2374         (Sized_target::plt_entry_size): New function.
2375         * x86_64.cc (Target_x86_64::got_size): Add const.
2376         (Target_x86_64::got_entry_count): New function.
2377         (Target_x86_64::plt_entry_count): New function.
2378         (Target_x86_64::first_plt_entry_offset): New function.
2379         (Target_x86_64::plt_entry_size): New function.
2380         (Output_data_plt_x86_64::entry_count): New function.
2381         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2382         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2384 2010-08-12  Cary Coutant  <ccoutant@google.com>
2386         * archive.cc: Include incremental.h.
2387         (Archive::Archive): Initialize incremental_info_.
2388         (Archive::include_member): Record archive members in incremental info.
2389         (Add_archive_symbols::run): Record begin and end of an archive in
2390         incremental info.
2391         (Lib_group::include_member): Record objects in incremental info.
2392         * archive.h (Incremental_archive_entry): Forward declaration.
2393         (Archive::set_incremental_info): New member function.
2394         (Archive::incremental_info): New member function.
2395         (Archive::Unused_symbol_iterator): New class.
2396         (Archive::unused_symbols_begin): New member function.
2397         (Archive::unused_symbols_end): New member function.
2398         (Archive::incremental_info_): New data member.
2399         * incremental-dump.cc (find_input_containing_global): New function.
2400         (dump_incremental_inputs): Dump new incremental info sections.
2401         * incremental.cc: Include symtab.h.
2402         (Output_section_incremental_inputs): New class.
2403         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2404         new incremental info sections.
2405         (Sized_incremental_binary::do_check_inputs): Likewise.
2406         (Incremental_inputs::report_archive): Remove.
2407         (Incremental_inputs::report_archive_begin): New function.
2408         (Incremental_inputs::report_archive_end): New function.
2409         (Incremental_inputs::report_object): New function.
2410         (Incremental_inputs::finalize_inputs): Remove.
2411         (Incremental_inputs::report_input_section): New function.
2412         (Incremental_inputs::report_script): Rewrite.
2413         (Incremental_inputs::finalize): Do nothing but finalize string table.
2414         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2415         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2416         (Incremental_inputs::create_data_sections): New function.
2417         (Incremental_inputs::relocs_entsize): New function.
2418         (Output_section_incremental_inputs::set_final_data_size): New function.
2419         (Output_section_incremental_inputs::do_write): New function.
2420         (Output_section_incremental_inputs::write_header): New function.
2421         (Output_section_incremental_inputs::write_input_files): New function.
2422         (Output_section_incremental_inputs::write_info_blocks): New function.
2423         (Output_section_incremental_inputs::write_symtab): New function.
2424         * incremental.h (Incremental_script_entry): Forward declaration.
2425         (Incremental_object_entry): Forward declaration.
2426         (Incremental_archive_entry): Forward declaration.
2427         (Incremental_inputs): Forward declaration.
2428         (Incremental_inputs_header_data): Remove.
2429         (Incremental_inputs_header): Remove.
2430         (Incremental_inputs_header_write): Remove.
2431         (Incremental_inputs_entry_data): Remove.
2432         (Incremental_inputs_entry): Remove.
2433         (Incremental_inputs_entry_write): Remove.
2434         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2435         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2436         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2437         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2438         Likewise.
2439         (Incremental_input_entry): New class.
2440         (Incremental_script_entry): New class.
2441         (Incremental_object_entry): New class.
2442         (Incremental_archive_entry): New class.
2443         (Incremental_inputs::Incremental_inputs): Initialize new data members.
2444         (Incremental_inputs::report_inputs): Remove.
2445         (Incremental_inputs::report_archive): Remove.
2446         (Incremental_inputs::report_archive_begin): New function.
2447         (Incremental_inputs::report_archive_end): New function.
2448         (Incremental_inputs::report_object): Change prototype.
2449         (Incremental_inputs::report_input_section): New function.
2450         (Incremental_inputs::report_script): Change prototype.
2451         (Incremental_inputs::get_reloc_count): New function.
2452         (Incremental_inputs::set_reloc_count): New function.
2453         (Incremental_inputs::create_data_sections): New function.
2454         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2455         (Incremental_inputs::inputs_section): New function.
2456         (Incremental_inputs::symtab_section): New function.
2457         (Incremental_inputs::relocs_section): New function.
2458         (Incremental_inputs::get_stringpool): Add const.
2459         (Incremental_inputs::command_line): Add const.
2460         (Incremental_inputs::inputs): Remove.
2461         (Incremental_inputs::command_line_key): New function.
2462         (Incremental_inputs::input_file_count): New function.
2463         (Incremental_inputs::input_files): New function.
2464         (Incremental_inputs::relocs_entsize): New function.
2465         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2466         (Incremental_inputs::finalize_inputs): Remove.
2467         (Incremental_inputs::Input_info): Remove.
2468         (Incremental_inputs::lock_): Remove.
2469         (Incremental_inputs::inputs_): Change type.
2470         (Incremental_inputs::inputs_map_): Remove.
2471         (Incremental_inputs::current_object_entry_): New data member.
2472         (Incremental_inputs::inputs_section_): New data member.
2473         (Incremental_inputs::symtab_section_): New data member.
2474         (Incremental_inputs::relocs_section_): New data member.
2475         (Incremental_inputs::reloc_count_): New data member.
2476         (Incremental_inputs_reader): New class.
2477         (Incremental_symtab_reader): New class.
2478         (Incremental_relocs_reader): New class.
2479         * layout.cc (Layout::finalize): Move finalization of incremental info
2480         and creation of incremental info sections to follow finalization of
2481         symbol table.  Set offsets for postprocessing sections.
2482         (Layout::create_incremental_info_sections): Call
2483         Incremental_inputs::create_data_sections.  Add incremental symtab
2484         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
2485         sections to layout after input sections.
2486         * layout.h (struct Timespec): Forward declaration.
2487         (Layout::incremental_inputs): Add const.
2488         (Layout::create_incremental_info_sections): Add parameter.
2489         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
2490         * object.cc: Include incremental.h.
2491         (Relobj::finalize_incremental_relocs): New function.
2492         (Sized_relobj::do_layout): Record input sections in incremental info.
2493         * object.h (Object::output_section): New function.
2494         (Object::output_section_offset): Moved from Relobj.
2495         (Object::get_incremental_reloc_base): New function.
2496         (Object::get_incremental_reloc_count): New function.
2497         (Object::do_output_section): New function.
2498         (Object::do_output_section_offset): Moved from Relobj.
2499         (Object::do_get_incremental_reloc_base): New function.
2500         (Object::do_get_incremental_reloc_count): New function.
2501         (Object::Object): Initialize new data members.
2502         (Relobj::output_section): Renamed do_output_section and moved to
2503         protected.
2504         (Relobj::output_section_offset): Moved to Object.
2505         (Relobj::do_get_incremental_reloc_base): New function.
2506         (Relobj::do_get_incremental_reloc_count): New function.
2507         (Relobj::allocate_incremental_reloc_counts): New function.
2508         (Relobj::count_incremental_reloc): New function.
2509         (Relobj::finalize_incremental_relocs): New function.
2510         (Relobj::next_incremental_reloc_index): New function.
2511         (Relobj::reloc_counts_): New data member.
2512         (Relobj::reloc_bases_): New data member.
2513         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
2514         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
2515         (Sized_relobj::incremental_relocs_scan): New function.
2516         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2517         (Sized_relobj::incremental_relocs_write): New function.
2518         (Sized_relobj::incremental_relocs_write_reltype): New function.
2519         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
2520         incremental link.
2521         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
2522         archives and object files elsewhere.
2523         (Add_symbols::run): Report object files here.
2524         (Finish_group::run): Report end of archive at end of group.
2525         * reloc.cc: Include layout.h, incremental.h.
2526         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
2527         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
2528         (Sized_relobj::incremental_relocs_scan): New function.
2529         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2530         (Sized_relobj::do_relocate_sections): Write incremental relocations.
2531         (Sized_relobj::incremental_relocs_write): New function.
2532         (Sized_relobj::incremental_relocs_write_reltype): New function.
2533         * script.cc (read_input_script): Rewrite test for incremental link.
2534         Change call to Incremental_inputs::report_script.
2535         * symtab.h (Symbol_table::first_global_index): New function.
2536         (Symbol_table::output_count): New function.
2538 2010-08-12  Doug Kwan  <dougkwan@google.com>
2540         * arm.cc (Target_arm::merge_object_attributes): Check command line
2541         options --no-wchar-size-warning and --no-enum-size-warning.
2542         * options.h (General_options): Add ld-compatible options
2543         --no-enum-size-warning and --no-wchar-size-warning.
2545 2010-08-04  Ian Lance Taylor  <iant@google.com>
2547         * x86_64.cc (Target_x86_64::Scan::local): Use
2548         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
2549         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
2550         (Target_x86_64::Scan::global): Likewise.
2551         (Target_x86_64::Relocate::relocate): Likewise.
2552         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
2553         Likewise.
2555 2010-08-03  Cary Coutant  <ccoutant@google.com>
2557         * merge.cc (Output_merge_string::do_add_input_section): Count strings
2558         to reserve space in merged_strings vector. Keep total input size
2559         for stats.
2560         (Output_merge_string::do_print_merge_stats): Print total input size.
2561         * merge.h (Output_merge_string): Add input_size_ field.
2562         * stringpool.cc (Stringpool_template::string_length): Move
2563         implementations out of Stringpool_template class and place in
2564         stringpool.h.
2565         * stringpool.h (string_length): Move out of Stringpool_template.
2567 2010-08-03  Ian Lance Taylor  <iant@google.com>
2569         PR 11712
2570         * layout.cc (relaxation_loop_body): If address of load segment is
2571         set, adjust address to include headers if possible.
2573 2010-08-03  Ian Lance Taylor  <iant@google.com>
2575         * version.cc (version_string): Bump to 1.10.
2577 2010-08-03  Ian Lance Taylor  <iant@google.com>
2579         PR 11805
2580         * layout.h (enum Output_section_order): Define.
2581         (class Layout): Update declarations.
2582         * layout.cc (Layout::get_output_section): Add order parameter.
2583         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
2584         is_first_non_relro parameters.  Change all callers.
2585         (Layout::choose_output_section): Likewise.
2586         (Layout::add_output_section_data): Likewise.
2587         (Layout::make_output_section): Likewise.  Set order.
2588         (Layout::default_section_order): New function.
2589         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
2590         * output.cc (Output_section::Output_section): Initialize order_.
2591         Don't initialize deleted fields.
2592         (Output_segment::Output_segment): Don't initialize deleted
2593         fields.
2594         (Output_segment::add_output_section_to_load): New function
2595         replacing add_output_section.  Change all callers to call this or
2596         add_output_section_to_nonload.
2597         (Output_segment::add_output_section_to_nonload): New function.
2598         (Output_segment::remove_output_section): Rewrite.
2599         (Output_segment::add_initial_output_data): Likewise.
2600         (Output_segment::has_any_data_sections): Likewise.
2601         (Output_segment::is_first_section_relro): Likewise.
2602         (Output_segment::maximum_alignment): Likewise.
2603         (Output_segment::has_dynamic_reloc): New function replacing
2604         dynamic_reloc_count.  Change all callers.
2605         (Output_segment::has_dynamic_reloc_list): New function replacing
2606         dynamic_reloc_count_list.  Change all callers.
2607         (Output_segment::set_section_addresses): Rewrite.
2608         (Output_segment::set_offset): Rewrite.
2609         (Output_segment::find_first_and_last_list): Remove.
2610         (Output_segment::set_tls_offsets): Rewrite.
2611         (Output_segment::first_section_load_address): Likewise.
2612         (Output_segment::output_section_count): Likewise.
2613         (Output_segment::section_with_lowest_load_address): Likewise.
2614         (Output_segment::write_section_headers): Likewise.
2615         (Output_segment::print_sections_to_map): Likewise.
2616         * output.h (class Output_data): Remove dynamic_reloc_count_
2617         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2618         (Output_data::add_dynamic_reloc): Rewrite.
2619         (Output_data::has_dynamic_reloc): New function.
2620         (Output_data::dynamic_reloc_count): Remove.
2621         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2622         is_last_relro_, is_first_non_relro_, is_interp_,
2623         is_dynamic_linker_section_ fields.  Add order and set_order
2624         functions.  Remove is_relro_local, set_is_relro_local,
2625         is_last_relro, set_is_last_relro, is_first_non_relro,
2626         set_is_first_non_relro functions, is_interp, set_is_interp,
2627         is_dynamic_linker_section, and set_is_dynamic_linker_section
2628         functions.
2629         (class Output_segment): Change Output_data_list from std::list to
2630         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2631         output_bss_ fields.  Update declarations.
2633 2010-08-02  Ian Lance Taylor  <iant@google.com>
2635         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2636         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2637         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2639 2010-08-02  Ian Lance Taylor  <iant@google.com>
2641         PR 11855
2642         * script.cc (Script_options::Script_options): Initialize
2643         symbol_definitions_ and symbol_references_.
2644         (Script_options::add_symbol_assignment): Update
2645         symbol_definitions_ and symbol_references_.
2646         (Script_options::add_symbol_reference): New function.
2647         (script_symbol): New function.
2648         * script.h (class Script_options): Add symbol_definitions_ and
2649         symbol_references_ fields.
2650         (Script_options::referenced_const_iterator): New type.
2651         (Script_options::referenced_begin): New function.
2652         (Script_options::referenced_end): New function.
2653         (Script_options::is_referenced): New function.
2654         (Script_options::any_unreferenced): New function.
2655         * script-c.h (script_symbol): Declare.
2656         * yyscript.y (exp): Call script_symbol.
2657         * symtab.cc: Include "script.h".
2658         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2659         Change all callers.  Check symbols referenced by scripts.
2660         (Symbol_table::add_undefined_symbols_from_command_line): Add
2661         layout parameter.  Change all callers.
2662         (Symbol_table::do_add_undefined_symbols_from_command_line):
2663         Likewise.  Break out loop body.  Check symbols referenced by
2664         scripts.
2665         (Symbol_table::add_undefined_symbol_from_command_line): New
2666         function broken out of
2667         do_add_undefined_symbols_from_command_line.
2668         * symtab.h (class Symbol_table): Update declarations.
2669         * archive.cc: Include "layout.h".
2670         (Archive::should_include_member): Add layout parameter.  Change
2671         all callers.  Check for symbol mentioned in expression.
2672         * archive.h (class Archive): Update declaration.
2673         * object.cc (Sized_relobj::do_should_include_member): Add layout
2674         parameter.
2675         * object.h (Object::should_include_member): Add layout parameter.
2676         Change all callers.
2677         (Object::do_should_include_member): Add layout parameter.
2678         (class Sized_relobj): Update declaration.
2679         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2680         parameter.
2681         * dynobj.h (class Sized_dynobj): Update declaration.
2682         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2683         layout parameter.
2684         * plugin.h (class Sized_pluginobj): Update declaration.
2686 2010-08-02  Ian Lance Taylor  <iant@google.com>
2688         PR 11866
2689         * output.cc (Output_segment::set_offset): Search for the first and
2690         last sections rather than assuming that the list is in order.
2691         (Output_segment::find_first_and_last_list): New function.
2692         * output.h (class Output_segment): Update declarations.
2693         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2694         (relro_strip_test_SOURCES): New variable.
2695         (relro_strip_test_DEPENDENCIES): New variable.
2696         (relro_strip_test_LDFLAGS): New variable.
2697         (relro_strip_test_LDADD): New variable.
2698         (relro_strip_test.so): New target.
2700 2010-08-02  Ian Lance Taylor  <iant@google.com>
2702         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2703         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2704         (Target_i386::got_tlsdesc_section): New function.
2705         (Target_i386::got_section): Create space for GOT entries for
2706         TLSDESC relocations.
2707         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2708         R_386_TLS_GOTDESC.
2709         (Target_i386::Scan::global): Likewise.
2710         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2711         using TLSDESC GOT.
2712         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2713         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2714         (Target_x86_64::got_tlsdesc_section): New function.
2715         (Target_x86_64::got_section): Create space for GOT entries for
2716         TLSDESC relocations.
2717         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2718         R_386_TLS_GOTDESC.
2719         (Target_x86_64::Scan::global): Likewise.
2720         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2721         using TLSDESC GOT.
2723 2010-08-02  Ian Lance Taylor  <iant@google.com>
2725         * testsuite/final_layout.sh: Use dc to convert from hex to
2726         decimal.
2728 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2730         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2731         paramter to the call to gold::gc_process_relocs.
2732         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2733         paramter to the call to gold::gc_process_relocs.
2734         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2735         parameter to the call to gold::gc_process_relocs.
2736         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2737         template parameter to the call to gold::gc_process_relocs.
2738         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2739         paramter to the call to gold::gc_process_relocs.
2740         * gc.h (get_embedded_addend_size): New function.
2741         (gc_process_relocs): Save the size of the reloc for use by ICF.
2742         * icf.cc (get_section_contents): Get the addend from the text section
2743         for SHT_REL relocation sections.
2744         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2745         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2746         * int_encoding.h (read_from_pointer): New overloaded function.
2747         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2748         * testsuite/icf_sht_rel_addend_test.sh: New file.
2749         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2750         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2752 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2754         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2755         * Makefile.in: Regenerate.
2756         * testsuite/Makefile.in: Regenerate.
2758 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2760         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2761         * gold/testsuite/debug_msg.cc: Likewise.
2762         * gold/testsuite/odr_violation1.cc
2763         * gold/testsuite/odr_violation2.cc
2765 2010-07-21  Cary Coutant  <ccoutant@google.com>
2767         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2768         string, and length fields.
2769         (Output_merge_string::Merged_strings_list): New type.
2770         (Output_merge_string::Merged_strings_lists): New typedef.
2771         (Output_merge_string): Replace merged_strings_ with
2772         merged_strings_lists_.
2773         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2774         Merged_strings_list per input object and section.  Don't store pointer
2775         to the string.  Don't store length with each merged string entry.
2776         (Output_merge_string::finalize_merged_data): Loop over list of merged
2777         strings lists.  Recompute length of each merged string.
2779 2010-07-15  Cary Coutant  <ccoutant@google.com>
2781         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2782         here.
2784 2010-07-14  Ian Lance Taylor  <iant@google.com>
2786         * descriptors.cc (Descriptors::open): Report correct name in error
2787         message.
2789 2010-07-13  Doug Kwan  <dougkwan@google.com>
2791         * arm.cc (Arm_input_section::Arm_input_section): For a
2792         SHT_ARM_EXIDX section, always keeps the input sections.
2793         (Arm_input_section::set_exidx_section_link): New method.
2794         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2795         has_errors_ to false.
2796         (Arm_exidx_input_section::has_errors,
2797         Arm_exidx_input_section::set_has_errors): New methods.
2798         (Arm_exidx_input_section::has_errors_): New data member.
2799         (Arm_relobj::get_exidx_shndx_list): New method.
2800         (Arm_output_section::append_text_sections_to_list): Do not skip
2801         section without SHF_EXECINSTR.
2802         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2803         errors.
2804         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2805         section header.  Make error messages more verbose.  Check for
2806         a non-executable section linked to an EXIDX section.
2807         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2808         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2809         check that there is no deferred EXIDX section if we exit early.
2810         Instead of not making an EXIDX section in case of an error, make one
2811         and set the has_errors flag of it.
2812         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2813         in a relocatable link.
2814         (Target_arm::do_relax): Look for the EXIDX output section instead of
2815         assuming that it is called .ARM.exidx.
2816         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2817         section list.  Do not check for SHF_EXECINSTR section flags but
2818         skip any input section with errors.
2819         * output.cc (Output_section::Output_section): Initialize
2820         always_keeps_input_sections_ to false.
2821         (Output_section::add_input_section): Check for
2822         always_keeps_input_sections_.
2823         *  output.h (Output_section::always_keeps_input_sections,
2824         Output_section::set_always_keeps_input_sections): New methods.
2825         (Output_section::always_keeps_input_sections): New data member.
2827 2010-07-13  Rafael Espindola  <espindola@google.com>
2829         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2830         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2832 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2833             Ian Lance Taylor  <iant@google.com>
2835         * output.h (Output_section_lookup_maps::add_merge_section):
2836         Correct check of whether value was inserted.
2837         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2838         (Output_section_lookup_maps::add_relaxed_input_section):
2839         Likewise.
2840         * arm.cc (Target_arm::got_section): Remove used local os.
2841         * i386.cc (Target_i386::got_section): Likewise.
2842         * x86_64.cc (Target_x86_64::got_section): Likewise.
2843         * sparc.cc (Target_sparc::got_section): Likewise.
2844         (Target_sparc::relocate): Remove unused local have_got_offset.
2845         * powerpc.cc (Target_powerpc::relocate): Likewise.
2847 2010-07-13  Ian Lance Taylor  <iant@google.com>
2849         * compressed_output.cc (zlib_decompress): Fix signature in
2850         !HAVE_ZLIB_H case.
2852         * archive.cc (Archive::include_member): Unlock an external member
2853         of a thin archive.  Don't bother to delete an object we know is
2854         NULL.
2856 2010-07-12  Cary Coutant  <ccoutant@google.com>
2858         * compressed_output.cc (zlib_decompress): New function.
2859         (get_uncompressed_size): New function.
2860         (decompress_input_section): New function.
2861         * compressed_output.h (get_uncompressed_size): New function.
2862         (decompress_input_section): New function.
2863         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2864         Handle compressed debug sections.
2865         * layout.cc (is_compressed_debug_section): New function.
2866         (Layout::output_section_name): Map compressed section names to
2867         canonical names.
2868         * layout.h (is_compressed_debug_section): New function.
2869         (is_debug_info_section): Recognize compressed debug sections.
2870         * merge.cc: Include compressed_output.h.
2871         (Output_merge_data::do_add_input_section): Handle compressed
2872         debug sections.
2873         (Output_merge_string::do_add_input_section): Handle compressed
2874         debug sections.
2875         * object.cc: Include compressed_output.h.
2876         (Sized_relobj::Sized_relobj): Initialize new data members.
2877         (build_compressed_section_map): New function.
2878         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2879         * object.h (Object::section_is_compressed): New method.
2880         (Object::do_section_is_compressed): New method.
2881         (Sized_relobj::Compressed_section_map): New type.
2882         (Sized_relobj::do_section_is_compressed): New method.
2883         (Sized_relobj::compressed_sections_): New data member.
2884         * output.cc (Output_section::add_input_section): Handle compressed
2885         debug sections.
2886         * reloc.cc: Include compressed_output.h.
2887         (Sized_relobj::write_sections): Handle compressed debug sections.
2889 2010-07-08  Cary Coutant  <ccoutant@google.com>
2891         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2892         weak when resolving to a dynamic def.
2893         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2894         for weak undef/dynamic def cases. Adjust callers.
2895         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2896         undef_binding_weak_.
2897         (Symbol_table::sized_write_globals): Adjust symbol binding.
2898         (Symbol_table::sized_write_symbol): Add binding parameter.
2899         * symtab.h (Symbol::set_undef_binding): New method.
2900         (Symbol::is_undef_binding_weak): New method.
2901         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2902         (Symbol_table::should_override): Add new parameter.
2903         (Symbol_table::sized_write_symbol): Add new parameter.
2905         * testsuite/weak_undef_file1.cc: Add new test case.
2906         * testsuite/weak_undef_file2.cc: Fix header comment.
2907         * testsuite/weak_undef_test.cc: Add new test case.
2909 2010-06-29  Doug Kwan  <dougkwan@google.com>
2911         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
2912         Initialize USE_SYMBOL_.
2913         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
2914         definition.
2915         (Arm_reloc_property::uses_symbol_): New data member declaration.
2916         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
2917         uses symbol value and symbol is undefined but not weakly undefined.
2919 2010-06-28  Rafael Espindola  <espindola@google.com>
2921         * plugin.cc (Plugin::load): Use dlerror.
2923 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2925         * symtab.cc (detect_odr_violations): When reporting an ODR
2926         violation, report an object where the symbol is defined.
2928 2010-06-25  Doug Kwan  <dougkwan@google.com>
2930         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
2931         (Target_arm::section_may_have_icf_unsafe_pointers): New method
2932         definition.
2933         (Target_arm::Scan::local_reloc_may_be_function_pointer,
2934         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
2935         target hook to detect function points.
2936         (Target_arm::Scan::possible_function_pointer_reloc): New method.
2937         * icf.h (Icf::check_section_for_function_pointers): Change type of
2938         parameter SECTION_NAME to const reference to std::string.  Use
2939         target hook to determine if section may have unsafe pointers.
2940         * target.h (Target::section_may_have_icf_unsafe_pointers): New
2941         method definition.
2943 2010-06-21  Rafael Espindola  <espindola@google.com>
2945         * fileread.cc (Input_file::find_fie): New
2946         (Input_file::open): Use Input_file::find_fie.
2947         * fileread.h (Input_file::find_fie): New
2948         * plugin.cc (set_extra_library_path): New.
2949         (Plugin::load): Add set_extra_library_path to the transfer vector.
2950         (Plugin_manager::set_extra_library_path): New.
2951         (Plugin_manager::add_input_file): Use the extra search path if set.
2952         (set_extra_library_path(): New.
2953         * plugin.h (Plugin_manager): Add set_extra_library_path and
2954         extra_search_path_.
2956 2010-06-19  Cary Coutant  <ccoutant@google.com>
2958         * layout.cc (gdb_sections): Add .debug_types.
2959         (lines_only_debug_sections): Likewise.
2961 2010-06-18  Rafael Espindola  <espindola@google.com>
2963         * plugin.cc (add_input_file,add_input_library)
2964         (Plugin_manager::add_input_file): Make filename arguments const.
2965         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
2966         const.
2968 2010-06-16  Doug Kwan  <dougkwan@google.com>
2970         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
2971         .ARM.attributes section if we have not merged any input
2972         attributes sections.
2974 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2976         * arm.cc: Allow combining objects with no EABI version
2977         information.
2979 2010-06-15  Rafael Espindola  <espindola@google.com>
2981         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
2983 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2985         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
2986         (struct iovec): Correct !HAVE_READV definition.
2988 2010-06-10  Cary Coutant  <ccoutant@google.com>
2990         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
2991         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
2992         reloc sections.
2993         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
2995         PR 11683
2996         * symtab.h (Symbol::is_placeholder): New member function.
2997         * target-reloc.h (relocate_section): Check for placeholder symbols.
2999         * testsuite/Makefile.am (plugin_test_8): New test.
3000         (plugin_test_9): New test.
3001         * testsuite/Makefile.in: Regenerate.
3003 2010-06-09  Nick Clifton  <nickc@redhat.com>
3005         * yyscript.y (input_list_element): Allow strings prefixed with
3006         the '-' character.  Treat these as libraries.
3007         * script.cc (script_add_library): New function.  Adds a library
3008         specified by "-l<name>" found in an input script.
3009         * script-c.h: Add prototype for script_add_library.
3011 2010-06-07  Doug Kwan  <dougkwan@google.com>
3013         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3014         Restrict stub-group size to be within long conditional branch
3015         range when working around cortex-A8 erratum.
3017 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3019         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3020         #ifdef typo.
3022 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3024         PR gold/11658
3025         * output.cc
3026         (Output_section::Input_section_sort_entry::compare_section_ordering):
3027         Change to return non-zero correctly.
3028         (Output_section::Input_section_sort_section_order_index_compare
3029         ::operator()): Change to fix ambiguity in comparisons.
3031 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3033         * gold.h (is_wildcard_string): New function.
3034         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3035         (Layout::layout_eh_frame): Ditto.
3036         (Layout::find_section_order_index): New method.
3037         (Layout::read_layout_from_file): New method.
3038         * layout.h (Layout::find_section_order_index): New method.
3039         (Layout::read_layout_from_file): New method.
3040         (Layout::input_section_position_): New private member.
3041         (Layout::input_section_glob_): New private member.
3042         * main.cc (main): Call read_layout_from_file here.
3043         * options.h (--section-ordering-file): New option.
3044         * output.cc (Output_section::input_section_order_specified_): New
3045         member.
3046         (Output_section::Output_section): Initialize new member.
3047         (Output_section::add_input_section): Add new parameter.
3048         Keep input sections when --section-ordering-file is used.
3049         (Output_section::set_final_data_size): Sort input sections when
3050         section ordering file is specified.
3051         (Output_section::Input_section_sort_entry): Add new parameter.
3052         Check sorting type.
3053         (Output_section::Input_section_sort_entry::compare_section_ordering):
3054         New method.
3055         (Output_section::Input_section_sort_compare::operator()): Change to
3056         consider section_order_index.
3057         (Output_section::Input_section_sort_init_fini_compare::operator()):
3058         Change to consider section_order_index.
3059         (Output_section::Input_section_sort_section_order_index_compare
3060         ::operator()): New method.
3061         (Output_section::sort_attached_input_sections): Change to sort
3062         according to section order when specified.
3063         (Output_section::add_input_section<32, true>): Add new parameter.
3064         (Output_section::add_input_section<64, true>): Add new parameter.
3065         (Output_section::add_input_section<32, false>): Add new parameter.
3066         (Output_section::add_input_section<64, false>): Add new parameter.
3067         * output.h (Output_section::add_input_section): Add new parameter.
3068         (Output_section::input_section_order_specified): New
3069         method.
3070         (Output_section::set_input_section_order_specified): New method.
3071         (Input_section::Input_section): Initialize section_order_index_.
3072         (Input_section::section_order_index): New method.
3073         (Input_section::set_section_order_index): New method.
3074         (Input_section::section_order_index_): New member.
3075         (Input_section::Input_section_sort_section_order_index_compare): New
3076         struct.
3077         (Output_section::input_section_order_specified_): New member.
3078         * script-sections.cc (is_wildcard_string): Delete and move modified
3079         method to gold.h.
3080         (Output_section_element_input::Output_section_element_input): Modify
3081         call to is_wildcard_string.
3082         (Output_section_element_input::Input_section_pattern
3083         ::Input_section_pattern): Ditto.
3084         (Output_section_element_input::Output_section_element_input): Ditto.
3085         * testsuite/Makefile.am (final_layout): New test case.
3086         * testsuite/Makefile.in: Regenerate.
3087         * testsuite/final_layout.cc: New file.
3088         * testsuite/final_layout.sh: New file.
3090 2010-06-01  Rafael Espindola  <espindola@google.com>
3092         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3094 2010-06-01  Rafael Espindola  <espindola@google.com>
3096         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3097         visibility of symbols.
3099 2010-05-27  Doug Kwan  <dougkwan@google.com>
3101         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3102         from start of output section instead of address for a local symbol
3103         in a merged or relaxed section when doing a relocatable link.
3105 2010-05-26  Rafael Espindola  <espindola@google.com>
3107        PR 11604
3108         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3109         adding sections the garbage collector removed.
3110         * gold/testsuite/Makefile.am: Add test.
3111         * gold/testsuite/Makefile.in: Regenerate.
3112         * gold/testsuite/plugin_test_7.sh: New.
3113         * gold/testsuite/plugin_test_7_1.c: New.
3114         * gold/testsuite/plugin_test_7_2.c: New.
3116 2010-05-26  Rafael Espindola  <espindola@google.com>
3118         * script-sections.cc (Output_section_definition::set_section_addresses):
3119         Check for --section-start.
3121 2010-05-26  Doug Kwan  <dougkwan@google.com>
3123         * arm.cc (Arm_scan_relocatable_relocs): New class.
3124         (Target_arm::relocate_special_relocatable): New method.
3125         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3126         (Arm_relocate_functions::thumb_branch_common): Same.
3127         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3128         instead of Default_scan_relocatable_relocs.
3129         * target-reloc.h (relocate_for_relocatable): Let target handle
3130         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3131         * target.h (Sized_target::relocate_special_relocatable): New method.
3133 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3135         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3137 2010-05-23  Doug Kwan  <dougkwan@google.com>
3139         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3140         instead of a cast.
3141         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3142         with a direct branch, not a conditional branch, to a stub.
3143         * merge.cc (Output_merge_base::record_input_section): New method
3144         defintion.
3145         (Output_merge_data::do_add_input_section): Record input section if
3146         keeps-input-sections flag is set.
3147         (Output_merge_string::do_add_input_section): Ditto.
3148         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3149         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3150         INPUT_SECTIONS_.
3151         (Output_merge_base::keeps_input_sections,
3152         Output_merge_base::set_keeps_input_sections,
3153         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3154         method definitions.
3155         (Output_merge_base::Input_sections): New type declaration.
3156         (Output_merge_base::input_sections_begin,
3157         Output_merge_base::input_sections_end,
3158         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3159         (Output_merge_base::bool keeps_input_sections_,
3160         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3161         Output_merge_base::input_sections_): New data members.
3162         (Output_merge_data::do_set_keeps_input_sections): New method
3163         defintion.
3164         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3165         * output.cc (Output_section::Input_section::relobj): Move method
3166         defintion from class declaration to here and handle merge sections.
3167         (Output_section::Input_section::shndx): Ditto.
3168         (Output_section::Output_section): Remove initializations of removed
3169         data members and initialize new data member LOOKUP_MAPS_.
3170         (Output_section::add_input_section): Set keeps-input-sections flag
3171         for a newly created merge output section as appropriate.  Adjust code
3172         to use Output_section_lookup_maps class.
3173         (Output_section::add_relaxed_input_section): Adjst code for lookup
3174         maps code refactoring.
3175         (Output_section::add_merge_input_section): Add a new parameter
3176         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3177         class.  If adding input section to a newly created merge output
3178         section fails, remove the new merge section.
3179         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3180         Adjust code for use of the Output_section_lookup_maps class.
3181         (Output_section::find_merge_section): Ditto.
3182         (Output_section::build_lookup_maps): New method defintion.
3183         (Output_section::find_relaxed_input_section): Adjust code to use
3184         Output_section_lookup_maps class.
3185         (Output_section::get_input_sections): Export merge sections.  Adjust
3186         code to use Output_section_lookup_maps class.
3187         (Output_section:::add_script_input_section): Adjust code to use
3188         Output_section_lookup_maps class.  Update lookup maps for merge
3189         sections also.
3190         (Output_section::discard_states): Use Output_section_lookup_maps.
3191         (Output_section::restore_states): Same.
3192         * output.h (Merge_section_properties): Move class defintion out of
3193         Output_section.
3194         (Output_section_lookup_maps): New class.
3195         (Output_section::Input_section::is_merge_section): New method
3196         defintion.
3197         (Output_section::Input_section::relobj): Move defintion out of class
3198         defintion.  Declare method only.
3199         (Output_section::Input_section::shndx): Ditto.
3200         (Output_section::Input_section::output_merge_base): New method defintion.
3201         (Output_section::Input_section::u2_.pomb): New union field.
3202         (Output_section::Merge_section_by_properties_map,
3203         Output_section::Output_section_data_by_input_section_map,
3204         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3205         Remove types.
3206         (Output_section::add_merge_input_section): Add new parameter
3207         KEEPS_INPUT_SECTIONS.
3208         (Output_section::build_lookup_maps): New method declaration.
3209         (Output_section::merge_section_map_,
3210         Output_section::merge_section_by_properties_map_,
3211         Output_section::relaxed_input_section_map_,
3212         Output_section::is_relaxed_input_section_map_valid_): Remove data
3213         members.
3214         (Output_section::lookup_maps_): New data member.
3216 2010-05-21  Doug Kwan  <dougkwan@google.com>
3218         PR gold/11619
3219         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3220         avoid a compilation error.
3222 2010-05-19  Rafael Espindola  <espindola@google.com>
3224         * script-sections.cc (Output_section_definition::allocate_to_segment):
3225         Update the phdrs_list even when the output section is NULL.
3226         * testsuite/Makefile.am: Add test.
3227         * testsuite/Makefile.in: Regenerate.
3228         * testsuite/script_test_9.cc: New.
3229         * testsuite/script_test_9.sh: New.
3230         * testsuite/script_test_9.t: New.
3232 2010-05-19  Doug Kwan  <dougkwan@google.com>
3234         * arm.cc (Arm_input_section::original_size): New method.
3235         (Arm_input_section::do_addralign): Add a cast.
3236         (Arm_input_section::do_output_offset): Remove static cast.
3237         (Arm_input_section::original_addralign,
3238          Arm_input_section::original_size_): Change type to uint32_t.
3239         (Arm_input_section::init): Add safe casts for section alignment
3240         and size.
3241         (Arm_input_section::set_final_data_size): Do not set address and
3242         offset of stub table.
3243         (Arm_output_section::fix_exidx_coverage): Change use of of
3244         Output_section::Simple_input_section to that of
3245         Output_section::Input_section.
3246         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3247         except for the first pass.
3248         * output.cc (Output_section::get_input_sections): Change type of
3249         input_sections to std::list<Input_section>.
3250         (Output_section::add_script_input_section): Rename from
3251         Output_section::add_simple_input_section.  Change type of SIS
3252         parameter from Simple_input_section to Input_section.
3253         * output.h (Output_section::Simple_input_section): Remove class.
3254         (Output_section::Input_section): Change class visibility to public.
3255         (Output_section::Input_section::addralign): Use stored alignments
3256         for special input sections if set.
3257         (Output_section::Input_section::set_addralign): New method.
3258         (Output_section::get_input_sections): Change parameter type from
3259         list of Simple_input_section to list of Input_section.
3260         (Output_section::add_script_input_section): Rename from
3261         Output_section::add_simple_input_section. Change first parameter's
3262         type from Simple_input_section to Input_section and remove the
3263         second and third parameters.
3264         * script-sections.cc (Input_section::Input_section_list): Change
3265         type to list of Output_section::Input_section/
3266         (Input_section_info::Input_section_info): Change parameter type of
3267         INPUT_SECTION to Output_section::Input_section.
3268         (Input_section_info::input_section): Change return type.
3269         (Input_section_info::input_section_): Change type to
3270         Output_section::Input_section.
3271         (Output_section_element_input::set_section_addresses): Adjust code
3272         to use Output_section::Input_section instead of
3273         Output_section::Simple_input_section.  Adjust code for renaming
3274         of Output_section::add_simple_input_section.
3275         (Orphan_output_section::set_section_addresses): Ditto.
3277 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3279         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3280         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3282 2010-05-18  Rafael Espindola  <espindola@google.com>
3284         * options.cc (General_options::finalize): Handle -nostdlib.
3285         * options.h (nostdlib): New option.
3286         * script.cc (script_add_search_dir): Handle -nostdlib.
3288 2010-05-12  Doug Kwan  <dougkwan@google.com>
3290         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3291         attributes section only if there no attributes section after merging.
3292         (Target_arm::merge_object_attributes): Move value of
3293         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3294         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3295         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3296         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3297         and arm_attr_merge_7.stdout.
3298         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3299         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3300         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3301         arm_attr_merge_7b.o): New rules.
3302         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3303         arm_attr_merge_7
3304         * testsuite/Makefile.in: Regenerate.
3305         * testsuite/arm_attr_merge.sh: New file.
3306         * testsuite/arm_attr_merge_[67][ab].s: Same.
3308 2010-05-05  Nick Clifton  <nickc@redhat.com>
3310         * po/es.po: Updated Spanish translation.
3312 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3314         * Makefile.am (install-exec-local): Properly install gold as
3315         default cross linker.
3316         * Makefile.in: Regenerated.
3318 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3319             Nick Clifton  <nickc@redhat.com>
3321         * configure.ac (install_as_default): Define and set to false
3322         unless --enable-gold or --enable-gold=both/gold has been
3323         specified.
3324         * configure: Regenerate.
3326         * Makefile.am (install-exec-local): Install the executable as
3327         'ld.gold'.  If install_as_default is true then also install it as
3328         'ld'.
3329         * Makefile.in: Regenerated.
3331 2010-04-24  Ian Lance Taylor  <iant@google.com>
3333         * layout.cc (Layout::layout_reloc): In relocatable link don't
3334         combine reloc sections for grouped sections.
3336 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3338         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3339         sections that are not ordinary to icf.
3340         * icf.cc (get_section_contents): Handle relocation pointing to section
3341         with no object or shndx information.
3342         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3343         * testsuite/Makefile.in: Regenerate.
3344         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3345         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3347 2010-04-22  Ian Lance Taylor  <iant@google.com>
3349         * expression.cc (Expression::Expression_eval_info): Add
3350         result_alignment_pointer field.
3351         (Expression::eval_with_dot): Add result_alignment_pointer
3352         parameter.  Change all callers.
3353         (Expression::eval_maybe_dot): Likewise.
3354         (class Binary_expression): Add alignment_pointer parameter to
3355         left_value and right_value.  Change all callers.
3356         (BINARY_EXPRESSION): Set result alignment.
3357         (class Trinary_expression): Add alignment_pointer parameter to
3358         arg2_value and arg3_value.  Change all callers.
3359         (Trinary_cond::value): Set result alignment.
3360         (Max_expression::value, Min_expression::value): Likewise.
3361         (Align_expression::value): Likewise.
3362         * script-sections.cc (class Sections_element): Add dot_alignment
3363         parameter to set_section_addresses virtual function.  Update
3364         instantiations.
3365         (class Output_section_element): Likewise.
3366         (Script_sections::create_segments): Add dot_alignment parameter.
3367         Change all callers.
3368         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3369         (Script_sections::set_phdrs_clause_addresses): Likewise.
3370         * script-sections.h: Update declarations.
3371         * script.h: Update declarations.
3372         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3373         min_p_align.
3374         * testsuite/script_test_3.t: Set large alignment.
3375         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3376         segment has expected alignment.
3378 2010-04-22  Nick Clifton  <nickc@redhat.com>
3380         * po/gold.pot: Updated by the Translation project.
3381         * po/vi.po: Updated Vietnamese translation.
3383 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3385         * testsuite/Makefile.am (check_PROGRAMS): Add
3386         icf_virtual_function_folding_test.
3387         * testsuite/Makefile.in: Regenerated.
3389 2010-04-15  Andrew Haley  <aph@redhat.com>
3391         * options.h (merge_exidx_entries): New option.
3392         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3393         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3394         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3395         (Target_arm::merge_exidx_entries): New function.
3396         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3397         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3398         to Arm_exidx_fixup constructor.
3399         Add new arg, merge_exidx_entries.
3400         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3401         Arm_output_section::fix_exidx_coverage.
3403 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3405         * icf.cc (get_section_contents): Check for preemptible functions.
3406         Ignore addend when appropriate.
3407         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3408         section folded.
3409         (add_from_relobj): Check for section folded.
3410         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3411         * symtab.h (should_add_dynsym_entry): Add new parameter.
3412         * target-reloc.h (scan_relocs): Check for section folded.
3413         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3414         Check reloc types for function pointers in shared objects.
3415         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3416         case.
3417         (icf_preemptible_functions_test): New test case.
3418         (icf_string_merge_test): New test case.
3419         * testsuite.Makefile.in: Regenerate.
3420         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3421         bar_glob.  Refactor code.
3422         * testsuite/icf_preemptible_functions_test.cc: New file.
3423         * testsuite/icf_preemptible_functions_test.sh: New file.
3424         * testsuite/icf_string_merge_test.cc: New file.
3425         * testsuite/icf_string_merge_test.sh: New file.
3426         * testsuite/icf_virtual_function_folding_test.cc: New file.
3427         * testsuite/icf_virtual_function_folding_test.sh: New file.
3429 2010-04-14  Doug Kwan  <dougkwan@google.com>
3431         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3432         for local symbol recounting if we remove a section due to ICF.
3433         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3434         there are no regular objects in input.
3436 2010-04-13  Doug Kwan  <dougkwan@google.com>
3438         * arm.cc (Arm_input_section::set_final_data_size): Compute
3439         accurate final data size instead of using current data size.
3441 2010-04-09  Doug Kwan  <dougkwan@google.com>
3443         * layout.cc (Layout::choose_output_section): Handle script section
3444         types.
3445         (Layout::make_output_section_for_script): Add section type parameter.
3446         Handle script section types.
3447         * layout.h (Layout::make_output_section_for_script): Add section
3448         type parameter.
3449         * output.cc (Output_section::Output_section): Initialize data member
3450         is_noload_.
3451         (Output_section::do_reset_address_and_file_offset): Do not set address
3452         to 0 if section is a NOLOAD section.
3453         * output.h (Output_section::is_noload): New method.
3454         (Output_section::set_is_noload): Ditto.
3455         (Output_section::is_noload_): New data member.
3456         * script-c.h (Script_section_type): New enum type.
3457         (struct Parser_output_section_header): Add new file section_type.
3458         * script-sections.cc (Sections_element::output_section_name): Add
3459         parameter for returning script section type.
3460         (Output_section_definition::output_section_name): Ditto.
3461         (Output_section_definition::section_type)P; New method.
3462         (Output_section_definiton::script_section_type_name): Ditto.
3463         (Output_section_definition::script_section_type_): New data member.
3464         (Output_section_definition::Output_section_definition): Initialize
3465         data member Output_section_definition::script_section_type_.
3466         (Output_section_definition::create_sections): Pass script section type
3467         to Layout::make_output_section_for_script.
3468         (Output_section_definition::output_section_name): Return script
3469         section type to caller.
3470         (Output_section_definition::set_section_address): Do not advance
3471         dot value and load address if section type is NOLOAD.  Set address
3472         of NOLOAD sections regardless of section flags.
3473         (Output_section_definition::print): Print section type if it is
3474         not SCRIPT_SECTION_TYPE_NONE.
3475         (Output_section_definition::section_type): New method.
3476         (Output_section_definition::script_section_type_name): Ditto.
3477         (Script_sections::output_section_name): Add new parameter
3478         PSECTION_TYPE for returning script section type.  Pass it to
3479         section elements.  Handle discard sections.
3480         (Sort_output_sections::operator()): Handle NOLOAD sections.
3481         * script-sections.h (Script_sections::Section_type): New enum type.
3482         (Script_sections::output_section_name): Add a new parameter for
3483         returning script section type.
3484         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
3485         INFO and NOLOAD.
3486         * yyscript.y (union): Add new field SECTION_TYPE.
3487         (COPY, DSECT, INFO, NOLOAD): New tokens.
3488         (opt_address_and_section_type): Change type to output_section_header.
3489         (section_type): New non-terminal
3490         (section_header): Handle section type.
3491         (opt_address_and_section_type): Return section type value.
3493 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3495         * testsuite/plugin_common_test_1.c (foo): Add prototype.
3496         * testsuite/plugin_common_test_2.c (foo): Likewise.
3498 2010-04-08  Doug Kwan  <dougkwan@google.com>
3500         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
3501         Output_merge_data.
3502         * output.cc (Output_section::add_merge_input_section): Simplify
3503         code and return status of Output_merge_base::add_input_section.
3504         Update merge section map only if Output_merge_base::add_input_section
3505         returns true.
3507 2010-04-07  Doug Kwan  <dougkwan@google.com>
3509         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
3510         if section is marked as containing instructions but has no mapping
3511         symbols.
3512         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
3513         correct section index.
3514         (Arm_relobj::find_linked_text_section): Ditto.
3516 2010-04-07  Cary Coutant  <ccoutant@google.com>
3518         * archive.cc (include_member): Destroy Read_symbols_data object before
3519         releasing file.
3520         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
3521         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
3522         (Read_symbols_data::~Read_symbols_data) New destructor.
3523         (Section_relocs::Section_relocs) New constructor.
3524         (Section_relocs::~Section_relocs) New destructor.
3525         (Read_relocs_data::Read_relocs_data) New constructor.
3526         (Read_relocs_data::~Read_relocs_data) New destructor.
3527         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
3528         pointers to NULL after deleting.
3530 2010-04-07  Doug Kwan  <dougkwan@google.com>
3532         * arm.cc: Replace "endianity" with "endianness" in comments.
3533         (Arm_exidx_cantunwind): Ditto.
3534         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
3535         (Arm_relobj::merge_flags_and_attributes): New method.
3536         (Arm_relobj::merge_flags_and_attributes_): New data member.
3537         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
3538         (Arm_relobj::scan_sections_for_stubs): Ditto.
3539         (Arm_relobj::do_read_symbols): Check to see if we really want to
3540         merge processor-specific flags and attributes.  Exit early if
3541         an object is empty except for section names and the undefined symbol.
3542         (Target_arm::do_finalize_sections): Move check for ELF format to
3543         Arm_relobj::do_read_symbols.  Merge processor specific flags and
3544         attributes from a regular object only when we have determined that
3545         it is aapropriate.  Do not create an .ARM.attributes section in
3546         output if there is no regular input object.
3547         (Target_arm::merge_processor_specific_flags): Check
3548         --warn-mismatch before printing any error.
3549         (Target_arm::merge_object_attributes): Ditto.
3550         * gold.cc (queue_middle_tasks): Handle the case in which there is
3551         no regular object in input.
3552         * options.cc (General_options::parse_EB): New method.
3553         (General_options::parse_EL): Same.
3554         (General_options::General_options): Initialize endianness_.
3555         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
3556         New options.
3557         (General_options::Endianness): New enum.
3558         (General_options::endianness): New method.
3559         (General_options::endianness_): New data member.
3560         * parameters.cc (Parameters::set_options): Check target endianness.
3561         (Parameters::set_target_once): Ditto.
3562         (Parameters::check_target_endianness): New method.
3563         (parameters_force_valid_target): If either -EL or -EB is specified,
3564         use it to define endianness of default target.
3565         * parameters.h (Parameters::check_target_endianness): New method
3566         declaration.
3567         * target.h (class Target): Change "endianity" to "endianness"
3568         in comments.
3570 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3572         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
3573         * configure: Regenerate.
3574         * Makefile.in: Regenerate.
3575         * testsuite/Makefile.in: Regenerate.
3577 2010-04-06  Cary Coutant  <ccoutant@google.com>
3579         gcc PR lto/42757
3580         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
3581         prevailing definitions of common symbols.
3582         * testsuite/plugin_test_6.sh: New test case.
3583         * testsuite/plugin_common_test_1.c: New test case.
3584         * testsuite/plugin_common_test_2.c: New test case.
3585         * testsuite/Makefile.am (plugin_test_6): New test case.
3586         * testsuite/Makefile.in: Regenerate.
3588 2010-04-06  Nick Clifton  <nickc@redhat.com>
3590         * po/vi.po: New Vietnamese translation.
3592 2010-03-30  Doug Kwan  <dougkwan@google.com>
3594         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
3596 2010-03-25  Doug Kwan  <dougkwan@google.com>
3598         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3599         to avoid a conversion warning on a 32-bit host.
3601 2010-03-24  Ian Lance Taylor  <iant@google.com>
3603         * testsuite/script_test_3.t: Add a TLS segment.
3604         * testsuite/Makefile.am (check_PROGRAMS): Add
3605         tls_phdrs_script_test.
3606         (tls_phdrs_script_test_SOURCES): Define.
3607         (tls_phdrs_script_test_DEPENDENCIES): Define.
3608         (tls_phdrs_script_test_LDFLAGS): Define.
3609         (tls_phdrs_script_test_LDADD): Define.
3610         * testsuite/Makefile.in: Rebuild.
3612 2010-03-23  Cary Coutant  <ccoutant@google.com>
3614         * fileread.cc (find_or_make_view): Fix comment.
3616 2010-03-23  Ian Lance Taylor  <iant@google.com>
3618         * script-sections.cc (class Orphan_section_placement): Define
3619         PLACE_TLS and PLACE_TLS_BSS.
3620         (Orphan_section_placement::Orphan_section_placement): Initialize
3621         new places.
3622         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3623         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3624         (tls_script_test_SOURCES): Define.
3625         (tls_script_test_DEPENDENCIES): Define.
3626         (tls_script_test_LDFLAGS): Define.
3627         (tls_script_test_LDADD): Define.
3628         * testsuite/Makefile.in: Rebuild.
3630 2010-03-22  Doug Kwan  <dougkwan@google.com>
3632         * arm.cc (Arm_relocate_functions::abs8,
3633         Arm_relocate_functions::abs16): Use correct check for overflow
3634         specified in the ARM ELF specs.
3635         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3636         target of a BLX instruction specially.
3637         (Reloc_stub::stub_type_for_reloc): Ditto.
3638         (Relocate::relocate): Use symbolic names instead of numeric relocation
3639         codes to report error.
3640         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3641         workaround.
3642         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3643         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3644         thumb2_blx_out_of_range.stdout
3645         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3646         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3647         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3648         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3649         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3650         thumb2_blx_in_range, thumb2_blx_in_range.o,
3651         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3652         thumb2_blx_out_of_range.o): New rules.
3653         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3654         thumb2_blx_in_range and thumb2_blx_out_of_range.
3655         * testsuite/Makefile.in: Regenerate.
3656         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3657         * testsuite/thumb_blx_in_range.s: New file.
3658         * testsuite/thumb_blx_out_of_range.s: New file.
3660 2010-03-22  Rafael Espindola  <espindola@google.com>
3662         * archive.cc (Should_include): Move to archive.h.
3663         (should_include_member): Make it a member of Archive.
3664         (Lib_group): New.
3665         (Add_lib_group_symbols): New.
3666         * archive.h: Include options.h.
3667         (Archive_member): Moved from Archive.
3668         (Should_include): Moved from archive.cc.
3669         (Lib_group): New.
3670         (Add_lib_group_symbols): New.
3671         * dynobj.cc (do_should_include_member): New.
3672         * dynobj.h (do_should_include_member): New.
3673         * gold.cc (queue_initial_tasks): Update call to queue.
3674         * main.cc (main): Print lib group stats.
3675         * object.cc (do_should_include_member): New.
3676         * object.h: Include archive.h.
3677         (Object::should_include_member): New.
3678         (Object::do_should_include_member): New.
3679         (Sized_relobj::do_should_include_member): New.
3680         * options.cc (General_options::parse_start_lib): New.
3681         (General_options::parse_end_lib): New.
3682         (Input_arguments::add_file): Handle lib groups.
3683         (Input_arguments::start_group): Check we are not in a lib.
3684         (Input_arguments::start_lib): New.
3685         (Input_arguments::end_lib): New.
3686         * options.h (General_options): Add start_lib and end_lib.
3687         (Input_argument::lib_): New.
3688         (Input_argument::lib): New.
3689         (Input_argument::is_lib): New.
3690         (Input_file_lib): New.
3691         (Input_arguments::in_lib_): New.
3692         (Input_arguments::in_lib): New.
3693         (Input_arguments::start_lib): New.
3694         (Input_arguments::end_lib_): New.
3695         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3696         in unused members as preempted.
3697         (Sized_pluginobj::do_should_include_member): New.
3698         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3699         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3700         return the blocker.
3701         (Read_symbols::do_whole_lib_group): New.
3702         (Read_symbols::do_lib_group): New.
3703         (Read_symbols::do_read_symbols): Handle lib groups.
3704         (Read_symbols::get_name): Handle lib groups.
3705         * readsyms.h (Read_symbols): Add an archive member pointer.
3706         (Read_symbols::do_whole_lib_group): New.
3707         (Read_symbols::do_lib_group): New.
3708         (Read_symbols::member_): New.
3709         * script.cc (read_input_script): Update call to queue_soon.
3711 2010-03-19  Doug Kwan  <dougkwan@google.com>
3713         * arm.cc (Stub_table::Stub_table): Initialize new data members
3714         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3715         (Stub_table::add_reloc_stub): Assign stub offset and update
3716         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3717         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3718         New data members.
3719         (Stub_table::update_data_size_and_addralign): Use
3720         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3721         instead of going over all reloc stubs.
3722         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3723         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3724         Stringpool_template::offset_ to size of Stringpool_char.
3725         (Stringpool_template::new_key_offset): Remove code to initialize
3726         Stringpool_template::offset_.
3727         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3728         Stringpool_template::offset_ to zero.
3730 2010-03-15  Doug Kwan  <dougkwan@google.com>
3732         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3733         offset_.
3734         (Stringpool_template::new_key_offset): New method.
3735         (Stringpool_template::add_string): Assign offsets when adding new
3736         strings.
3737         (Stringpool_template::set_string_offsets): Do not set string offsets
3738         when not optimizing.
3739         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3740         member size_.
3741         (Chunked_vector::clear): Clear size_.
3742         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3743         (Chunked_vector::size): Return size_.
3744         (Chunked_vector::push_back): Use size_ to find insert position.
3745         (Chunked_vector::size_): New data member.
3746         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3747         (Stringpool_template::new_key_offset): New method declaration.
3748         (Stringpool_template::offset_): New data member.
3750 2010-03-15   Rafael Espindola  <espindola@google.com>
3752         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3753         Add_symbols' constructor.
3754         * readsyms.h (Add_symbols): Remove the input_group member.
3756 2010-03-10  Ian Lance Taylor  <iant@google.com>
3758         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3759         target to ask whether a reference to a symbol requires a stack
3760         split.
3761         * target.h (Target::is_call_to_non_split): New function.
3762         (Target::do_is_call_to_non_split): Declare virtual function.
3763         * target.cc: Include "symtab.h".
3764         (Target::do_is_call_to_non_split): New function.
3765         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3767 2010-03-10  Cary Coutant  <ccoutant@google.com>
3769         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3770         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3771         (File_read::open[2]): Add whole_file_view_ to list of views.
3772         (File_read::make_view): Remove test of whole_file_view_.
3773         (File_read::find_or_make_view): Create whole_file_view_ if
3774         necessary.
3775         (File_read::clear_views): Replace bool parameter with enum;
3776         adjust all callers.  Don't delete views with permanent data;
3777         do delete cached views and views from archives if
3778         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3779         if clearing the corresponding view.
3780         * fileread.h (File_read::Clear_views_mode): New enum.
3781         (File_read::View::is_permanent_view): New method.
3782         (File_read::clear_views): Replace bool parameter
3783         with enum; adjust all callers.
3784         * options.h (General_options): Change keep_files_mapped option;
3785         add map_whole_files.
3786         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3787         releasing the file.
3788         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3789         the file.
3791 2010-03-10  David S. Miller  <davem@davemloft.net>
3793         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3795 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3797         * icf.cc (get_section_contents): Add '@' marker after processing the
3798         merge reloc.
3800 2010-03-08  Doug Kwan  <dougkwan@google.com>
3802         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3803         due to a conversion warning.
3804         (Arm_relobj::update_output_local_symbol_count): Check for local
3805         symbol with unset output index.
3807 2010-03-05  Ian Lance Taylor  <iant@google.com>
3809         * options.h (class General_options): Add --spare-dynamic-tags.
3810         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3811         --spare-dynamic-tags.
3813 2010-03-05  Ian Lance Taylor  <iant@google.com>
3815         * incremental.cc: Include "libiberty.h".
3817 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3819         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3820         function, is_info_ member.
3821         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3822         (Versions::Versions): Update caller.
3823         (Versions::define_base_version): Likewise.
3824         (Versions::add_def): Likewise.
3826 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3828         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3829         (Scan::possible_function_pointer_reloc): New function.
3830         (Scan::local_reloc_may_be_function_pointer): Change to call
3831         possible_function_pointer_reloc.
3832         (Scan::global_reloc_may_be_function_pointer): Ditto.
3833         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3834         relocations in ".data.rel.ro._ZTV" section.
3835         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3836         * testsuite/icf_safe_so_test.cc: Ditto.
3837         * testsuite/icf_safe_test.cc: Ditto.
3838         * testsuite/icf_safe_test.sh: Ditto.
3840 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3841             Ian Lance Taylor  <iant@google.com>
3843         * target-reloc.h (relocate_section): Check the symbol table index
3844         for -1U before setting the local symbol index.
3845         (scan_relocatable_relocs): If copying the relocation, record that
3846         the local symbol is required.
3847         * object.h (Symbol_value::is_output_symtab_index_set): New
3848         function.
3849         (Symbol_value::may_be_discarded_from_output_symtab): New
3850         function.
3851         (Symbol_value::has_output_symtab_entry): New function.
3852         (Symbol_value::needs_output_symtab_entry): Remove.
3853         (Symbol_value::output_symtab_index): Make sure the symbol index is
3854         set.
3855         (Symbol_value::set_output_symtab_index): Make sure the symbol
3856         index is not set.  Make sure the new index is valid.
3857         (Symbol_value::set_must_have_output_symtab_entry): New function.
3858         (Symbol_value::has_output_dynsym_entry): New function.
3859         (Symbol_value::set_output_dynsym_index): Make sure the new index
3860         is valid.
3861         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3862         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3863         local symbol if permitted.
3864         (Sized_relobj::do_finalize_local_symbols): Call
3865         is_output_symtab_index_set rather than needs_output_symtab_entry.
3866         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3867         rather than needs_output_symtab_entry.  Call
3868         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3869         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3870         is_output_symtab_index_set rather than needs_output_symtab_entry.
3871         * testsuite/discard_locals_relocatable_test.c: New file.
3872         * testsuite/discard_locals_test.sh: Test -r.
3873         * testsuite/Makefile.am (check_DATA): Add
3874         discard_locals_relocatable_test1.syms,
3875         discard_local_relocatable_test2.syms.
3876         (MOSTLYCLEANFILES): Likewise.  Also add
3877         discard_locals_relocatable_test1.lout and
3878         discard_locals_relocatable_test2.out.
3879         (discard_locals_relocatable_test1.syms): New target.
3880         (discard_locals_relocatable_test.o): New target.
3881         (discard_locals_relocatable_test1.out): New target.
3882         (discard_locals_relocatable_test2.syms): New target.
3883         (discard_locals_relocatable_test2.out): New target.
3884         (various): Add missing ../ld-new dependencies.
3885         * testsuite/Makefile.in: Rebuild.
3887 2010-03-03  Nick Clifton  <nickc@redhat.com>
3889         * po/fi.po: New Finnish translation.
3891 2010-03-01  Doug Kwan  <dougkwan@google.com>
3893         * layout.cc (Layout::Layout): Force section types of .init_array*,
3894         .preinit_array* and .fini_array* sections.
3895         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3896         Fix check of return value of std::string::find.().
3897         (Output_section::Input_section_sort_compare::operator()): Remove
3898         comment about .init_array.
3899         (Output_section::Input_section_sort_init_fini_compare::operator()):
3900         New method.
3901         (Output_section::sort_attached_input_sections): Handle .init_array
3902         and .fini_array specially.
3903         * output.h (Output_section::Inut_section_sort_compare): Update
3904         comment.
3905         (Output_section::Input_section_sort_init_fini_compare): New struct.
3907 2010-02-26  Doug Kwan  <dougkwan@google.com>
3909         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
3910         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
3911         * testsuite/debug_msg.sh: Avoid matching source line number for
3912         use of global variable undef_int.
3914 2010-02-26  Doug Kwan  <dougkwan@google.com>
3916         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
3917         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
3918         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
3919         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
3920         * options.cc (General_options::General_options): Initialize member
3921         fix_v4bx_.
3922         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
3923         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
3924         and rm_no_fix_v4bx.stdout
3925         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
3926         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
3927         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
3928         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
3929         and arm_no_fix_v4bx.
3930         * Makefile.in: Regenerate.
3931         * testsuite/arm_fix_v4bx.s: New file.
3932         * testsuite/arm_fix_v4bx.sh: Ditto.
3934 2010-02-24  Doug Kwan  <dougkwan@google.com>
3936         * arm.cc (Target_arm::got_section): Make the .got section the first
3937         non RELRO section in the data segment.
3938         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
3939         suffixes of section names.
3941 2010-02-24  Doug Kwan  <dougkwan@google.com>
3943         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
3944         flags and attributes merging if an input file is a binary file.
3945         * fileread.cc (Input_file::open): Record format of original file.
3946         * fileread.h (Input_file::Format): New enum type.
3947         (Input_file::Input_file): Initialize data member format_.
3948         (Input_file::format): New method definition.
3949         (Input_file::format_):: New data member.
3951 2010-02-24  Doug Kwan  <dougkwan@google.com>
3953         * arm.cc (Arm_output_data_got): New class.
3954         (ARM_TCB_SIZE): New constant
3955         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
3956         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
3957         If user uses a script with a SECTIONS clause, issue only a warning
3958         for a misplaced EXIDX input section.  Otherwise, issue an error.
3959         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
3960         garbage collection.
3961         (Target_arm::got_mode_index_entry): Handle static linking.
3962         (Target_arm::Scan::local): Ditto.
3963         (Target_arm::Scan::global): Ditto.
3964         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
3965         all incorrectly implemented relocations.
3966         (Target_arm::fix_exidx_coverage): Pass layout to
3967         Arm_output_section::fix_exidx_coverage.
3968         * layout.cc (Layout::section_name_mapping): Remove trailing dots
3969         from ".ARM.exidx." and ".ARM.extab.".
3971 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3973         * arm.cc (Target_arm::do_finalize_sections): Create attribute
3974         section if it does not already exist.
3975         * attributes.cc (Attributes_section_data::Attributes_section_data):
3976         Don't crash if size is zero.
3978 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3979             Ian Lance Taylor  <iant@google.com>
3981         * gold.cc (queue_middle_tasks): If no input files were opened,
3982         exit.
3983         * workqueue.h (Task_function::Task_function): Assert that there is
3984         a blocker.
3986 2010-02-22  Doug Kwan  <dougkwan@google.com>
3988         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
3989         * icf.cc (get_section_contents): Cast snprintf arguments to long long
3990         types to avoid warnings due to different uint64_t implementations
3991         on different hosts.
3993 2010-02-21  Doug Kwan  <dougkwan@google.com>
3995         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
3996         handling of the maximum backward branch offset.
3997         (Arm_relocate_functions::thumb_branch_common): Ditto.
3998         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
3999         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4000         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4001         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4002         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4003         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4004         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4005         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4006         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4007         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4008         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4009         thumb2_bl_out_of_range.o): New rules.
4010         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4011         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4012         thumb2_bl_out_of_range
4013         * testsuite/Makefile.in: Regenerate.
4014         * testsuite/arm_bl_in_range.s: New file.
4015         * testsuite/arm_bl_out_of_range.s: Ditto.
4016         * testsuite/arm_branch_in_range.sh: Ditto.
4017         * testsuite/arm_branch_range.t: Ditto.
4018         * testsuite/thumb2_branch_range.t: Ditto.
4019         * testsuite/thumb_bl_in_range.s: Ditto.
4020         * testsuite/thumb_bl_out_of_range.s: Ditto.
4021         * testsuite/thumb_branch_range.t: Ditto.
4023 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4025         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4026         Add reloc offset information.
4027         * icf.cc (get_section_contents): Change iterators to point to the new
4028         vectors. Add reloc offset information to the contents.
4029         * icf.h (Icf::Sections_reachable_info): New typedef.
4030         (Icf::Sections_reachable_list): New typedef.
4031         (Icf::Offset_info): New typedef.
4032         (Icf::Reloc_info): New struct typedef.
4033         (Icf::Reloc_info_list): New typedef.
4034         (Icf::symbol_reloc_list): Delete method.
4035         (Icf::addend_reloc_list): Delete method.
4036         (Icf::section_reloc_list): Delete method.
4037         (Icf::reloc_info_list): New method.
4038         (Icf::reloc_info_list_): New member.
4040 2010-02-19  Doug Kwan  <dougkwan@google.com>
4042         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4043         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4044         * arm.cc (Arm_relocation_functions): New forward declaration.
4045         (Target_arm::Target_arm): Initialize new data members
4046         got_mod_index_offset_ and tls_base_symbol_defined_.
4047         (Target_arm::Relocate::relocate_tls): New method.
4048         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4049          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4050         New methods.
4051         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4052         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4053         (Target_arm::got_mod_index_offset_,
4054         Target_arm::tls_base_symbol_defined_): New data members.
4055         (Target_arm::Scan::local, Target::Scan::global,
4056         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4057         relocations.
4059 2010-02-18  Doug Kwan  <dougkwan@google.com>
4061         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4062         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4063         text section as a parameter becuase some broken tools may not set
4064         the link in section header.
4065         (Target_arm::has_got_section): New method.
4066         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4067         without any mapping symbol as data only.  Remove warning.
4068         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4069         link in its section header, try to discover the link by inspecting the
4070         REL31 relocation at the beginning of the section.
4071         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4072         in error message.
4073         (Target_arm::Scan::global): Treat any reference to the symbol
4074         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4076 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4078         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4079         (Scan::global_reloc_may_be_function_pointer): New function.
4080         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4081         (Scan::global_reloc_may_be_function_pointer): New function.
4082         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4083         (Scan::global_reloc_may_be_function_pointer): New function.
4084         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4085         (Scan::global_reloc_may_be_function_pointer): New function.
4086         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4087         (Scan::global_reloc_may_be_function_pointer): New function.
4088         (Scan::possible_function_pointer_reloc): New function.
4089         (Target_x86_64::can_check_for_function_pointers): New function.
4090         * gc.h (gc_process_relocs): Scan relocation types to determine if
4091         function pointers were taken for targets that support it.
4092         * icf.cc (Icf::find_identical_sections): Include functions for
4093         folding in safe ICF whose pointer is not taken.
4094         * icf.h (Secn_fptr_taken_set): New typedef.
4095         (fptr_section_id_): New member.
4096         (section_has_function_pointers): New function.
4097         (set_section_has_function_pointers): New function.
4098         (check_section_for_function_pointers): New function.
4099         * options.h: Fix comment for safe ICF option.
4100         * target.h (can_check_for_function_pointers): New function.
4101         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4102         Modify icf_safe_test for X86-64.
4103         * testsuite/Makefile.in: Regenerate.
4104         * testsuite/icf_safe_so_test.cc: New file.
4105         * testsuite/icf_safe_so_test.sh: New file.
4106         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4107         (main): Change to take pointer to function kept_func_3.
4108         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4109         folding is done correctly for X86-64.
4111 2010-02-12  David S. Miller  <davem@davemloft.net>
4113         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4114         is_symbolless parameter.
4115         (Output_reloc<SHT_REL>::is_symbolless): New.
4116         (Output_reloc<SHT_REL>::is_symbolless_): New.
4117         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4118         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4119         (Output_reloc<SHT_RELA>::is_symbolless): New.
4120         (Output_data_reloc::add_global): Handle is_symbolless.
4121         (Output_data_reloc::add_global_relative): Likewise.
4122         (Output_data_reloc::add_local): Likewise.
4123         (Output_data_reloc::add_local_relative): Likewise.
4124         (Output_data_reloc::add_symbolless_global_addend): New.
4125         (Output_data_reloc::add_symbolless_local_addend): New.
4126         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4127         is_symbolless.
4128         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4129         instead of ->is_relative_
4130         (Output_reloc::write): Likewise.
4131         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4132         (Output_reloc::write_rel): Simplify.
4134         * sparc.cc (Target_sparc::Scan::local): Use
4135         ->add_symbolless_local_addend as needed.
4136         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4137         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4138         based upon relocation offset.
4140 2010-02-11  Doug Kwan  <dougkwan@google.com>
4142         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4143         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4144         beginning of function.
4145         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4146         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4147         parameter is_32bit in calls to should_apply_static_reloc.
4148         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4149         (check_DATA): Add arm_abs_global.stdout.
4150         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4151         arm_abs_global.stdout): New rules.
4152         (MOSTLLYCLEANFILES): Add arm_abs_global
4153         * Makefile.in: Regenerate.
4154         * testsuite/arm_abs_global.s: New file.
4155         * testsuite/arm_abs_global.sh: Ditto.
4156         * testsuite/arm_abs_lib.s: Ditto.
4158 2010-02-11  Ian Lance Taylor  <iant@google.com>
4160         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4161         Read_relocs task.
4162         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4163         Allocate_commons_task first.
4164         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4165         task, rather than symtab_lock_.
4166         (Gc_process_relocs::~Gc_process_relocs): New function.
4167         (Gc_process_relocs::is_runnable): Check this_blocker_.
4168         (Gc_process_relocs::locks): Use next_blocker_ rather than
4169         blocker_.
4170         (Scan_relocs::~Scan_relocs): New function.
4171         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4172         symtab_lock_.
4173         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4174         next_blocker_.
4175         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4176         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4177         constructor accordingly.
4178         (class Gc_process_relocs): Likewise.
4179         (class Scan_relocs): Likewise.
4180         * common.h (class Allocate_commons_task): Remove symtab_lock_
4181         field, and corresponding constructor parameter.
4182         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4183         symtab_lock_.
4184         (Allocate_commons_task::locks): Likewise.
4186 2010-02-11  Ian Lance Taylor  <iant@google.com>
4188         * gold-threads.h (class Once): Define.
4189         (class Initialize_lock): Rewrite as child of Once.
4190         * gold-threads.cc (class Once_initialize): Define.
4191         (once_pointer_control): New static variable.
4192         (once_pointer, once_arg): New static variables.
4193         (c_run_once): New static function.
4194         (Once::Once, Once::run_once, Once::internal_run): New functions.
4195         (class Initialize_lock_once): Remove.
4196         (initialize_lock_control): Remove.
4197         (initialize_lock_pointer): Remove.
4198         (initialize_lock_once): Remove.
4199         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4200         (Initialize_lock::initialize): Rewrite.
4201         (Initialize_lock::do_run_once): New function.
4202         * archive.cc (Archive::interpret_header): Only clear name if it is
4203         not already empty.
4204         * fileread.cc: Include "gold-threads.h"
4205         (file_counts_lock): New static variable.
4206         (file_counts_initialize_lock): Likewise.
4207         (File_read::release): Only increment counts when using --stats.
4208         Use a lock around the increment.
4209         * parameters.cc (class Set_parameters_target_once): Define.
4210         (set_parameters_target_once): New static variable.
4211         (Parameters::Parameters): Move here from parameters.h.
4212         (Parameters::set_target): Rewrite.
4213         (Parameters::set_target_once): New function.
4214         (Parameters::clear_target): Move here and rewrite.
4215         * parameters.h (class Parameters): Update declarations.  Add
4216         set_parameters_target_once_ field.
4217         (Parameters::Parameters): Move to parameters.cc.
4218         (Parameters::clear_target): Likewise.
4219         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4220         task.
4221         (Start_group::~Start_group): New function.
4222         (Start_group::is_runnable): New function.
4223         (Start_group::locks, Start_group::run): New functions.
4224         (Finish_group::run): Change saw_undefined to size_t.
4225         * readsyms.h (class Start_group): Define.
4226         (class Finish_group): Change saw_undefined_ field to size_t.
4227         (Finish_group::Finish_group): Remove saw_undefined and
4228         this_blocker parameters.  Change all callers.
4229         (Finish_group::set_saw_undefined): New function.
4230         (Finish_group::set_blocker): New function.
4231         * symtab.h (class Symbol_table): Change saw_undefined to return
4232         size_t.  Change saw_undefined_ field to size_t.
4233         * target-select.cc (Set_target_once::do_run_once): New function.
4234         (Target_selector::Target_selector): Initialize set_target_once_
4235         field.  Don't initialize lock_ and initialize_lock_ fields.
4236         (Target_selector::instantiate_target): Rewrite.
4237         (Target_selector::set_target): New function.
4238         * target-select.h (class Set_target_once): Define.
4239         (class Target_selector): Update declarations.  Make
4240         Set_target_once a friend.  Remove lock_ and initialize_lock_
4241         fields.  Add set_target_once_ field.
4243 2010-02-10  Ian Lance Taylor  <iant@google.com>
4245         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4246         queueing any tasks.
4247         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4248         (queue_middle_tasks): Add all blockers before queueing any tasks.
4249         (queue_final_tasks): Likewise.
4250         * token.h (Task_token::add_blockers): New function.
4251         * object.h (Input_objects::number_of_relobjs): New function.
4253 2010-02-10  Ian Lance Taylor  <iant@google.com>
4255         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4256         shared, not if not position independent.
4257         * x86_64.cc (Relocate::relocate_tls): Likewise.
4258         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4259         (tls_pie_pic_test): New target.
4260         * testsuite/Makefile.in: Rebuild.
4262         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4263         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4264         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4265         * testsuite/Makefile.in: Rebuild.
4267 2010-02-09  David S. Miller  <davem@davemloft.net>
4269         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4270         R_SPARC_RELATIVE using ->add_local_relative().
4271         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4273         * output.h (Output_data_dynamic::add_section_size): New method
4274         that takes two Output_data objects.
4275         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4276         entry param.  Handle it in initializers.
4277         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4278         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4279         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4280         arg.
4281         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4282         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4283         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4284         for dynrel_includes_plt.
4285         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4286         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4287         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4288         before .rela.plt
4289         (Target_sparc::do_finalize_sections): Update to pass true for
4290         dynrel_includes_plt.
4291         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4292         output before .rela.plt
4293         (Target_powerpc::do_finalize_sections): Update to pass true for
4294         dynrel_includes_plt when 32-bit.
4296 2010-02-08  Doug Kwan  <dougkwan@google.com>
4298         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4299         method.
4300         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4301         Arm_relobj::scan_section_for_cortex_a8_stubs,
4302         Arm_relobj::do_relocation_section): Instead of calling
4303         Output_section::output_address, use faster
4304         Arm_relobj::simple_input_section_output_address.
4306 2010-02-08  David S. Miller  <davem@davemloft.net>
4308         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4309         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4310         relocation helper function.
4312         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4313         just like R_SPARC_GOT{10,13,22}.
4314         (Target_sparc::Scan::local): Likewise.
4315         (Target_sparc::Relocate:relocate): Likewise.
4317 2010-02-06  Ian Lance Taylor  <iant@google.com>
4319         * configure.ac: Rewrite targetobjs duplicate removal code to use
4320         only shell constructs.
4321         * configure: Rebuild.
4323 2010-02-05  Doug Kwan  <dougkwan@google.com>
4325         PR 11247
4326         * arm.cc (Arm_relobj::section_is_scannable): New method.
4327         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4328         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4330 2010-02-04  Doug Kwan  <dougkwan@google.com>
4332         PR 11247
4333         * arm-reloc-property.cc (cstdio): Include.
4334         * configure.ac (targetobjs): Remove duplicates.
4335         * configure: Regenerate.
4336         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4337         big and little endian version for a given address size.
4339 2010-02-03  Doug Kwan  <dougkwan@google.com>
4341         * arm-reloc-property.cc
4342         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4343         definition.
4344         * arm-reloc-property.h
4345         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4346         New method definition.
4347         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4348         declaration.
4349         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4350         overflow to N.
4351         (GOT_PREL): Change implemented to Y.
4352         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4353         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4354         (Arm_relocate_functions::movw_abs_nc): Remove method.
4355         (Arm_relocate_functions::movt_abs): Ditto.
4356         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4357         (Arm_relocate_functions::thm_movt_abs): Ditto.
4358         (Arm_relocate_functions::movw_rel_nc): Ditto.
4359         (Arm_relocate_functions::movw_rel): Ditto.
4360         (Arm_relocate_functions::movt_rel): Ditto.
4361         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4362         (Arm_relocate_functions:thm_movw_rel): Ditto.
4363         (Arm_relocate_functions:thm_movt_rel): Ditto.
4364         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4365         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4366         New method definitions.
4367         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4368         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4369         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4370         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4371         (Target_arm::Relocate::relocate): Check for non-static or
4372         unimplemented relocation code and exit early.  Change calls to
4373         Target_arm::reloc_uses_thumb_bit and
4374         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4375         instead.  Refactor code to handle similar relocations to increase
4376         code sharing.  Remove check for unsupported relocation code in switch
4377         statement.
4378         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4379         relocation property table to find out size.  Change error message to
4380         print out the name of a relocation code instead of the numeric value.
4381         (Target_arm::scan_reloc_for_stub): Use relocation property table
4382         instead of calling Target_arm::reloc_uses_thumb_bit().
4384 2010-02-02  Doug Kwan  <dougkwan@google.com>
4386         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4387         types of relaxed input section.
4389 2010-02-02  Doug Kwan  <dougkwan@google.com>
4391         * Makefile.am (HFILES): Add arm-reloc-property.h.
4392         (DEFFILES): New.
4393         (TARGETSOURCES): Add arm-reloc-property.cc
4394         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4395         (libgold_a_SOURCES): $(DEFFILES)
4396         * Makefile.in: Regenerate.
4397         * arm-reloc-property.cc: New file.
4398         * arm-reloc-property.h: New file.
4399         * arm-reloc.def: New file.
4400         * arm.cc: Update comments.
4401         (arm-reloc-property.h): New included header.
4402         (arm_reloc_property_table): New global variable.
4403         (Target_arm::do_select_as_default_target): New method definition.
4404         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4405         arm-reloc-property to targ_extra_obj.
4406         * parameters.cc (set_parameters_target): Call
4407         Target::select_as_default_target().
4408         * target.h (Target::select_as_default_target): New method definition.
4409         (Target::do_select_as_default_target): Same.
4411 2010-02-01  Doug Kwan  <dougkwan@google.com>
4413         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4414         first_output_text_section_.
4415         (Arm_exidx_fixup::first_output_text_section): New method definition.
4416         (Arm_exidx_fixup::first_output_text_section_): New data member.
4417         (Arm_exidx_fixup::process_exidx_section): Record the first text
4418         output section seen.
4419         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4420         and entsize in output section header.
4422 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4424         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4425         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4426         (Arm_relocate_functions::thm_alu11): New Method.
4427         (Arm_relocate_functions::thm_pc8): New Method.
4428         (Arm_relocate_functions::thm_pc12): New Method.
4429         (Target_arm::Scan::local): Handle the relocations.
4430         (Target_arm::Scan::global): Likewise.
4431         (Target_arm::Relocate::relocate): Likewise.
4432         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4434 2010-01-29  Doug Kwan  <dougkwan@google.com>
4436         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4437         of relocation types as ld.
4439 2010-01-29  Doug Kwan  <dougkwan@google.com>
4441         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
4442         to public.
4443         (Arm_relocate_functions::thumb_branch_common): Ditto.
4444         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
4445         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
4446         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
4447         Arm_relocate_functions::jump24): Remove.
4448         (Target_arm::Relocate::relocate): Adjust code to call
4449         Arm_relocation_functions::arm_branch_common and
4450         Arm_relocation_functions::thumb_branch_common instead of their removed
4451         wrappers.  Merge switch-cases together to reduce source code size.
4453 2010-01-29  Doug Kwan  <dougkwan@google.com>
4455         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
4456         output_local_symbol_count_needs_update_.
4457         (Arm_relobj::output_local_symbol_count_needs_update,
4458          Arm_relobj::set_output_local_symbol_count_needs_update,
4459          Arm_relobj::update_output_local_symbol_count): New methods.
4460         (Arm_relobj::output_local_symbol_count_needs_update_): New data
4461         member.
4462         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
4463         of pointed function as in a R_ARM_PREL31 relocation.
4464         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
4465         for output local symbol count updating.
4466         (Target_arm::do_relax): Update output local symbol counts in objects
4467         if necessary.
4468         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
4470 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4472         * arm.cc: Added support for the ARM relocations:
4473         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
4474         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
4475         (Arm_relocate_functions::movw_rel_nc): Renamed (was
4476         movw_prel_nc).
4477         (Arm_relocate_functions::movw_rel): New method.
4478         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
4479         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
4480         thm_movw_prel_nc).
4481         (Arm_relocate_functions::thm_movw_rel): New method.
4482         (Arm_relocate_functions::thm_movt_rel): Renamed (was
4483         thm_movt_prel).
4484         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
4485         relocations.
4486         (Target_arm::Scan::global): Likewise.
4487         (Target_arm::Relocate::relocate): Likewise.
4488         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4489         Likewise.
4491 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4493         * arm.cc: Added support for ARM group relocations.
4494         (Target_arm::reloc_needs_sym_origin): New method.
4495         (Arm_relocate_functions::calc_grp_kn): New method.
4496         (Arm_relocate_functions::calc_grp_residual): New method.
4497         (Arm_relocate_functions::calc_grp_gn): New method.
4498         (Arm_relocate_functions::arm_grp_alu): New Method.
4499         (Arm_relocate_functions::arm_grp_ldr): New Method.
4500         (Arm_relocate_functions::arm_grp_ldrs): New Method.
4501         (Arm_relocate_functions::arm_grp_ldc): New Method.
4502         (Target_arm::Scan::local): Handle the ARM group relocations.
4503         (Target_arm::Scan::global): Likewise.
4504         (Target_arm::Relocate::relocate): Likewise.
4505         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4506         Likewise.
4508 2010-01-26  Doug Kwan  <dougkwan@google.com>
4510         * arm.cc (set): Include.
4511         (class Arm_exidx_fixup): Change type of last_input_section_ to const
4512         pointer type.
4513         (Arm_output_section::Text_section_list): New type.
4514         (Arm_output_section::append_text_sections_to_list): New method.
4515         (Arm_output_section::fix_exidx_coverage): Ditto.
4516         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
4517         (Arm_relobj::convert_input_section_to_relaxed_section): Use
4518         Relobj::set_section_offset() instead of
4519         Sized_relobj::invalidate_section_offset().
4520         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
4521         parameter for section headers. Ignore relocation sections for
4522         unallocated sections and EXIDX sections.
4523         (Target_arm::fix_exidx_coverage): New method.
4524         (Target_arm::output_section_address_less_than): New type.
4525         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
4526         linked text section instead of the EXIDX section.
4527         (Arm_output_section::create_stub_group): Add an assertion to check
4528         that this is not an EXIDX output section.
4529         (Arm_output_section::append_text_sections_to_list): New method.
4530         (Arm_output_section::fix_exidx_coverage): Ditto.
4531         (Arm_relobj::scan_sections_for_stubs): Adjust call to
4532         Arm_relobj::section_needs_reloc_stub_scanning.
4533         (Target_arm::do_relax): Fix EXIDX output section coverage in the
4534         first pass.
4535         (Target_arm::fix_exidx_coverage): New method.
4536         * object.h (Relobj::set_output_section): New method.
4537         (Sized_relobj::invalidate_section_offset): Remove method.
4538         (Sized_relobj::do_invalidate_section_offset): Remove method.
4539         (Sized_relobj::do_set_section_offset): Handle offset value -1.
4541 2010-01-25  Doug Kwan  <dougkwan@google.com>
4543         * arm.cc (Arm_exidx_merged_section::do_output_offset):
4544         Fix warning due to signed and unsigned comparison on a 32-bit host.
4546 2010-01-22  Doug Kwan  <dougkwan@google.com>
4548         * arm.cc (Target_arm::do_relax): Record an output section for section
4549         offset adjustment it contains any stub table that has changed.
4550         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
4551         offsets in an output section if necessary.
4552         * output.cc (Output_section::Output_section): Initialize
4553         section_offsets_need_adjustments_.
4554         (Output_section::add_input_section_for_script): Renamed to
4555         Output_section::add_simple_input_section.
4556         (Output_section::save_states): Add a comment.
4557         (Output_section::discard_states): New method defintion.
4558         (Output_section::adjust_section_offsets): Same.
4559         * output.h (Output_section::add_input_section_for_script): Renamed to
4560         Output_section::add_simple_input_section.
4561         (Output_section::discard_states): New method declaration.
4562         (Output_section::adjust_section_offsets): Same.
4563         (Output_section::section_offsets_need_adjustment,
4564         Output_section::set_section_offsets_need_adjustment): New method
4565         definitions.
4566         (Output_section::section_offsets_need_adjustment_): New data member.
4567         * script-sections.cc
4568         (Output_section_element_input::set_section_address): Adjust code for
4569         renaming of Output_section::add_input_section_for_script.
4570         (Orphan_output_section::set_section_address): Same.
4572 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4574         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
4575         Fix_v4bx enum values .
4576         * gold/options.h (General_options): New option definitions.
4577         (General_options::fix_v4bx): New method.
4578         (General_options::Fix_v4bx): New enum.
4579         * gold/options.cc (General_options::parse_fix_v4bx): New method.
4580         (General_options::parse_fix_v4bx_interworking): New method.
4582 2010-01-22  Doug Kwan  <dougkwan@google.com>
4584         * arm.cc (Arm_exidx_fixup): New class.
4586 2010-01-21  Doug Kwan  <dougkwan@google.com>
4588         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
4589         classes.
4590         (Arm_exidx_section_offset_map): New type.
4592 2010-01-21  Doug Kwan  <dougkwan@google.com>
4594         * arm.cc (Arm_exidx_input_section): New class.
4595         (Arm_relobj::exidx_input_section_by_link,
4596         Arm_relobj::exidx_input_section_by_shndx,
4597         Arm_relobj::make_exidx_input_section): New methods.
4598         (read_arm_attributes_section): Remove.
4599         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4600         information about them.
4601         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4602         to here.
4604 2010-01-20  Doug Kwan  <dougkwan@google.com>
4606         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4607         Input_section_specifier to Section_id.
4608         (Target_arm::new_arm_input_section: Adjust code for change of key
4609         type.
4610         (Target_arm::find_arm_input_section): Ditto.
4611         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4612         (Section_id): Remove.
4613         (Garbage_collection::Section_id_hash): Remove.
4614         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4615         (Section_id): Remove.
4616         (Icf::Section_id_hash): Remove.
4617         * object.h (Section_id, Const_section_id, Section_id_hash,
4618         Const_section_id_hash): New type definitions.
4619         * output.cc (Output_section::add_relaxed_input_section): Change to
4620         use Const_section_id instead of Input_section_specifier as key type.
4621         (Output_section::add_merge_input_section): Ditto.
4622         (Output_section::build_relaxation_map): Change to use Section_id
4623         instead of Input_section_specifier as key type.
4624         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4625         Ditto.
4626         (Output_section::convert_input_sections_to_relaxed_sections): Change
4627         to use Const_section_id instead of Input_section_specifier as key type.
4628         (Output_section::find_merge_section): Ditto.
4629         (Output_section::find_relaxed_input_section): Ditto.
4630         * output.h (Input_section_specifier): Remove class.
4631         (Output_section::Output_section_data_by_input_section_map): Change
4632         key type to Const_section_id.
4633         (Output_section::Output_relaxed_input_section_by_input_section_map):
4634         Ditto.
4635         (Output_section::Relaxation_map): Change key type to Section_id.
4637 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4639         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4640         (class Arm_v4bx_stub): New class.
4641         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4642         (Stub_factory::make_arm_v4bx_stub): New method.
4643         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4644         (Stub_table::empty): Handle v4bx stubs.
4645         (Stub_table::add_arm_v4bx_stub): New method.
4646         (Stub_table::find_arm_v4bx_stub): New method.
4647         (Arm_relocate_functions::v4bx): New method.
4648         (Target_arm::fix_v4bx): New method.
4649         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4650         (Stub_table::relocate_stubs): Likewise.
4651         (Stub_table::do_write): Likewise.
4652         (Stub_table::update_data_size_and_addralign): Likewise.
4653         (Stub_table::finalize_stubs):  Likewise.
4654         (Target_arm::Scan::local): Likewise.
4655         (Target_arm::Scan::global): Likewise.
4656         (Target_arm::do_finalize_sections): Likewise.
4657         (Target_arm::Relocate::relocate): Likewise.
4658         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4659         Likewise.
4660         (Target_arm::scan_reloc_for_stub): Likewise.
4661         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4663 2010-01-19  Ian Lance Taylor  <iant@google.com>
4665         * output.cc (Output_section_headers::do_sized_write): Write large
4666         segment count to sh_info field.
4667         (Output_file_header::do_sized_write): For large segment count,
4668         write PN_XNUM to e_phnum field.
4670 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4672         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4673         (Arm_relocate_functions::thm_jump8): New function.
4674         (Arm_relocate_functions::thm_jump11): New function.
4675         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4676         R_ARM_THM_JUMP11.
4677         (Target_arm::Scan::global): Likewise.
4678         (Target_arm::Relocate::relocate): Likewise.
4679         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4680         Likewise.
4682 2010-01-14  Doug Kwan  <dougkwan@google.com>
4684         * arm.cc (map, utility): Include headers.
4685         (Target_arm::apply_cortex_a8_workaround): New method.
4686         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4687         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4688         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4689         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4690         the --[no-]fix-cortex-a8 command line options.
4691         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4692         (Target_arm::relocate_stub): Use addend in instruction template.
4693         * options.h (DEFINE_bool): Set the user-set flag.
4694         (General_options): Add --[no-]-fix-cortex options.
4695         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4696         : Update fast look-up map after conversion.
4698 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4700         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4701         in the first pass of do_layout.
4703 2010-01-13  Doug Kwan  <dougkwan@google.com>
4705         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4706         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4707         apparent compiler problem of not folding static constant integral
4708         data members of elfcpp::Elf_sizes<32>.
4710 2010-01-13  Doug Kwan  <dougkwan@google.com>
4712         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4713         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4714         Arm_relobj::scan_section_for_cortex_a8_erratum,
4715         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4716         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4717         sections to scan for relocation stubs into a new method
4718         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4719         relocation and Cortex-A8 stub scanning.
4720         (Target_arm::do_relax): Force stubs to be after stubbed sections
4721         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4722         the beginning of a new relaxation pass.  Update a comment.
4723         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4725 2010-01-12  Ian Lance Taylor  <iant@google.com>
4727         * target-reloc.h (visibility_error): New inline function.
4728         (relocate_section): Call visibility_error.
4729         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4730         (MOSTLYCLEANFILES): Likewise.
4731         (protected_4_pic.o, protected_3.err): New targets.
4732         * testsuite/protected_4.cc: New file.
4734 2010-01-12  Doug Kwan  <dougkwan@google.com>
4736         * arm.cc (Cortex_a8_reloc): New class.
4737         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4738         and cortex_a8_relocs_info_.
4739         (Target_arm::fix_cortex_a8): New method definition.
4740         (Target_arm::Cortex_a8_relocs_info): New type.
4741         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4742         New data member declarations.
4743         (Target_arm::scan_reloc_for_stub): Record information about
4744         relocations for THUMB branches that might be exempted from the
4745         Cortex-A8 workaround.
4746         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4747         at the beginning of a relaxation pass.
4749 2010-01-12  Doug Kwan  <dougkwan@google.com>
4751         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4752         (Arm_relobj::Mapping_symbol_position,
4753          Arm_reloj::Mapping_symbol_position_less,
4754          Arm_relobj::Mapping_symbols_info): New types.
4755         (Target_arm::is_mapping_symbol_name): New method definition.
4756         (Arm_relobj::do_count_local_symbols): Save information about mapping
4757         symbols.
4759 2010-01-11  Doug Kwan  <dougkwan@google.com>
4761         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4762         Arm_relocate_functions::thumb32_branch_upper,
4763         Arm_relocate_functions::thumb32_branch_lower,
4764         Arm_relocate_functions::thumb32_cond_branch_offset,
4765         Arm_relocate_functions::thumb32_cond_branch_upper,
4766         Arm_relocate_functions::thumb32_cond_branch_lower,
4767         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4768         branch offset encoding.
4769         (Arm_relocate_functions::thumb_branch_common): Use new branch
4770         offset encoding methods to avoid code duplication.
4771         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4772         (Stub_addend_reader::operator()): Use new branch encoding method
4773         to avoid code duplication.
4775 2010-01-11  Doug Kwan  <dougkwan@google.com>
4777         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4778         (Target_arm::do_finalize_sections): Define special EXIDX section
4779         symbols only if referenced.
4780         * gc.h (Garbage_collection::add_reference): New method.
4781         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4782         code duplication.
4784 2010-01-11  Ian Lance Taylor  <iant@google.com>
4786         * script.cc (Version_script_info::build_expression_list_lookup):
4787         Change complaing about duplicate wildcard match from error to
4788         warning.
4790         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4791         of 2009-12-30.
4792         (Version_script_info::Version_script_info): Initialize globs_,
4793         default_version_, default_is_global_, and exact_.  Don't
4794         initialize globals_ or locals_.
4795         (Version_script_info::build_lookup_tables): Build local symbols
4796         first.
4797         (Version_script_info::unquote): New function.
4798         (Version_script_info::add_exact_match): New function.
4799         (Version_script_info::build_expression_list_lookup): Remove lookup
4800         parameter.  Add is_global parameter.  Change all callers.  Handle
4801         wildcard pattern specially.  Unquote pattern.  Call
4802         add_exact_match.
4803         (Version_script_info::get_name_to_match): New function.
4804         (Version_script_info::get_symbol_version): New function.
4805         (Version_script_info::get_symbol_version_helper): Remove.
4806         (Version_script_info::check_unmatched_names): Call unquote.
4807         * script.h (class Version_script_info): Change get_symbol_version
4808         to be non-inline and add is_global parameter; change all callers.
4809         Rewrite symbol_is_local.  Update declarations.  Define struct
4810         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4811         Remove globals_ and locals_ members.  Add exact_, globs_,
4812         default_version_, is_global_.
4813         (Version_script_info::Glob): Remove pattern, add expression and
4814         is_global.  Update constructor.  Change all callers.
4815         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4816         default version.
4817         (Versions::symbol_section_contents): If a symbol is undefined, or
4818         defined in a dynamic object, set the version index to
4819         VER_NDX_LOCAL.
4820         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4821         symbol_is_local.
4822         (Symbol_table::add_from_pluginobj): Likewise.
4823         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4825 2010-01-11  Doug Kwan  <dougkwan@google.com>
4827         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4828         (incremental_dump_LDADD): Add linking option for libintl.
4829         * Makefile.in: Regenerate.
4831 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4833         PR gold/11144
4834         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4835         instead of -Ds.
4836         * testsuite/Makefile.in: Regenerated.
4838 2010-01-10  Doug Kwan  <dougkwan@google.com>
4840         * options.h (DEFINE_var): Use parentheses around argument varname__
4841         in macro body to avoid any unintended subsequent substitutions.
4843 2010-01-10  Ian Lance Taylor  <iant@google.com>
4845         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4846         candidates before doing symbol resolution.
4848         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4849         ODR candidates if only one is weak.
4851 2010-01-08  Ian Lance Taylor  <iant@google.com>
4853         * script.cc (Version_script_info::build_expression_list_lookup):
4854         Don't warn about ambiguous version, just record the ambiguity.
4855         (Version_script_info::get_symbol_version_helper): Give error if
4856         version is ambiguous.
4858 2010-01-08  Doug Kwan  <dougkwan@google.com>
4860         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4861           prev_data_size_ and prev_addralign_.  Remove initializer for
4862           deleted data member has_been_changed_.
4863           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4864           to determine if the table is empty.
4865           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4866           Remove.
4867           (Stub_table::add_reloc_stub): Define method in class definition
4868           instead of just declaring it there.
4869           (Stub_table::add_cortex_a8_stub): New method definition.
4870           (Stub_table::update_data_size_and_addralign): Ditto.
4871           (Stub_table::finalize_stubs): Ditto.
4872           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4873           (Stub_table::do_addralign_): Return address alignment in the
4874           (Stub_table::do_reset_address_and_file_offset): Define method in
4875           class definition instead of declaring it there.  Set current data
4876           size to be the data size of the previous pass.
4877           (Stub_table::set_final_data_size): Use current data size as the
4878           final data size.
4879           (Stub_table::relocate_stub): Change parameter type of stub from
4880           Reloc_stub pointer to Stub pointer.
4881           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4882           (Stub_table::Cortex_a8_stub_list): New typedef.
4883           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4884            Stub_table::prev_addralign_): New data member.
4885           (Arm_relobj::Arm_relobj): Initialize data member
4886           section_has_cortex_a8_workaround_.
4887           (Arm_relobj::section_has_cortex_a8_workaround,
4888            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4889            definitions.
4890           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4891           declarations.
4892           (Target_arm::relocate_stub): Change parameter type of stub from
4893           Reloc_stub pointer to Stub pointer.
4894           (Insn_template::size, Insn_template::alignment): Handle
4895           THUMB16_SPECIAL_TYPE.
4896           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4897            Stub_table::update_data_size_and_addralign,
4898            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4899           definitions.
4900           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4901           (Stub_table::do_write): Ditto.
4902           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4904 2010-01-08  Ian Lance Taylor  <iant@google.com>
4906         PR 11108
4907         * symtab.h (class Symbol): Remove fields is_target_special_ and
4908         has_plt_offset_.  Add field is_defined_in_discarded_section_.
4909         (Symbol::is_defined_in_discarded_section): New function.
4910         (Symbol::set_is_defined_in_discarded_section): New function.
4911         (Symbol::has_plt_offset): Rewrite.
4912         (Symbol::set_plt_offset): Verify that new offset is not -1U.
4913         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
4914         Don't initialize is_target_special_ or has_plt_offset_.
4915         Initialize is_defined_in_discarded_section_.
4916         (Symbol_table::add_from_relobj): If appropriate, set
4917         is_defined_in_discarded_section.
4918         * resolve.cc (Symbol::override_base_with_special): Don't test
4919         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
4920         * target-reloc.h (relocate_section): Do special handling for
4921         symbols defined in discarded sections for global symbols as well
4922         as local symbols.
4924 2010-01-08  Ian Lance Taylor  <iant@google.com>
4926         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
4927         the SHT_SYMTAB case.
4929 2010-01-08  Ian Lance Taylor  <iant@google.com>
4931         * object.cc (Sized_relobj::do_layout): Don't get confused if
4932         layout_eh_frame returns NULL.
4934 2010-01-08  Ian Lance Taylor  <iant@google.com>
4936         PR 11084
4937         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
4938         dynamic symbol table, use the normal symbol table.
4939         (Sized_dynobj::do_read_symbols): Remove assertion about type of
4940         symbol table.
4942 2010-01-08  Ian Lance Taylor  <iant@google.com>
4944         PR 11072
4945         * layout.cc (Layout::include_section): Remove .gnu_debuglink
4946         sections.
4948 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
4950         * version.cc (print_version): Change to "Copyright 2010".
4952 2010-01-08  Ian Lance Taylor  <iant@google.com>
4954         PR 10287
4955         PR 11063
4956         * i386.cc (class Target_i386): Change return type of plt_section
4957         to be non-const.
4958         (class Output_data_plt_i386): Add tls_desc_rel_ field.
4959         (Output_data_plt_i386::Output_data_plt_i386): Initialize
4960         tls_desc_rel_ field.
4961         (Output_data_plt_i386::rel_tls_desc): New function.
4962         (Target_i386::rel_tls_desc_section): New function.
4963         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
4964         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
4965         R_386_TLS_DESC reloc in rel_tls_desc_section.
4966         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
4967         Define struct Tlsdesc_info.
4968         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
4969         (Target_x86_64::do_reloc_symbol_index): New function.
4970         (Target_x86_64::add_tlsdesc_info): New function.
4971         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
4972         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
4973         tlsdesc_rel_ field.
4974         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
4975         all callers.
4976         (Output_data_plt_x86_64::rela_tlsdesc): New function.
4977         (Target_x86_64::rela_tlsdesc_section): New function.
4978         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
4979         handling.
4980         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
4981         (Target_x86_64::do_reloc_addend): New function.
4982         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
4983         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
4984         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
4985         (Output_reloc::type): New function.
4986         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
4987         (Output_reloc::is_target_specific): New function.
4988         (Output_reloc::target_arg): New function.
4989         (class Output_reloc) [SHT_RELA]: Add four new constructors for
4990         absolute relocs and target specific relocs.
4991         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
4992         add_target_specific.
4993         (class Output_data_reloc) [SHT_RELA]: Likewise.
4994         * output.cc (Output_reloc::Output_reloc): Add four new versions
4995         for absolute relocs and target specific relocs.
4996         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
4997         (Output_reloc::get_symbol_index): Likewise.
4998         (Output_reloc::local_section_offset): Check that local_sym_index_
4999         is not TARGET_CODE or 0.
5000         (Output_reloc::symbol_value): Likewise.
5001         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5002         reloc.
5003         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5004         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5005         functions.
5006         * layout.cc (add_target_dynamic_tags): Use output section for
5007         DT_PLTRELSZ and DT_JMPREL.
5009 2010-01-07  Ian Lance Taylor  <iant@google.com>
5011         PR 11061
5012         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5013         function.
5014         (class Output_data_reloc_generic): Define.
5015         (class Output_data_reloc_base): Change base class to
5016         Output_data_reloc_generic.  Change add() method to call
5017         bump_relative_reloc_count for a relative reloc.  Remove
5018         sort_relocs_ field.
5019         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5020         to sort_relocs().
5021         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5022         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5023         appropriate.
5024         * layout.h (class Layout): Update declaration.
5026 2010-01-07  Ian Lance Taylor  <iant@google.com>
5028         * output.h (class Output_data): Add const version of
5029         output_section and do_output_section.
5030         (class Output_section_data): Add const version of
5031         do_output_section.
5032         (class Output_section): Likewise.
5033         * layout.cc (Layout::add_target_dynamic_tags): New function.
5034         * layout.h (class Layout): Update declarations.
5035         * arm.cc (Target_arm::do_finalize_sections): Use
5036         add_target_dynamic_tags.
5037         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5038         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5039         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5040         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5042 2010-01-07  Ian Lance Taylor  <iant@google.com>
5044         PR 11042
5045         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5046         object as needed.
5048 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5049             Ian Lance Taylor  <iant@google.com>
5051         PR 11019
5052         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5053         Xindex::read_symtab_xindex.
5055 2010-01-07  Doug Kwan  <dougkwan@google.com>
5057         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5058         (Insn_template::thumb16_bcond_insn): New method declaration.
5059         (Insn_template): Fix spelling.
5060         (Stub::thumb16_special): New method declaration.
5061         (Stub::do_write): Define virtual method which was previously pure
5062         virtual.
5063         (Stub::do_thumb16_special): New method declaration.
5064         (Stub::do_fixed_endian_write): New template member.
5065         (Reloc_stub::do_write): Remove.
5066         (Reloc_stub::do_fixed_endian_write): Remove.
5067         (Cortex_a8_stub): New class definition.
5068         (Stub_factory::make_cortex_a8_stub): New method definition.
5069         (Stub_factory::Stub_factory): Add missing static storage class
5070         qualifier for elf32_arm_stub_a8_veneer_blx.
5072 2010-01-07  Ian Lance Taylor  <iant@google.com>
5074         PR 10980
5075         * options.h (class General_options): Add --warn-unresolved-symbols
5076         and --error-unresolved-symbols.
5077         * errors.cc (Errors::undefined_symbol): Implement
5078         --warn-unresolved-symbols.
5080         * options.h (class General_options): Add -z text and -z textoff.
5081         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5083 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5085         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5086         (Garbage_collection::cident_sections): New function.
5087         (Garbage_collection::add_cident_section): New function.
5088         (Garbage_collection::cident_sections_): New member.
5089         (gc_process_relocs): Add references to sections whose names are C
5090         identifiers.
5091         * gold.h (cident_section_start_prefix): New constant.
5092         (cident_section_stop_prefix): New constant.
5093         (is_cident): New function.
5094         * layout.cc (Layout::define_section_symbols): Replace string constants
5095         with the newly defined constants.
5096         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5097         C identifiers.
5098         * testsuite/Makefile.am: Add gc_orphan_section_test.
5099         * testsuite/Makefile.in: Regenerate.
5100         * testsuite/gc_orphan_section_test.cc: New file.
5101         * testsuite/gc_orphan_section_test.sh: New file.
5103 2010-01-06  Ian Lance Taylor  <iant@google.com>
5105         PR 10980
5106         * options.h (class General_options): Add --warn-shared-textrel.
5107         * layout.cc (Layout::finish_dynamic_section): Implement
5108         --warn-shared-textrel.
5110         PR 10980
5111         * options.h (class General_options): Add --warn-multiple-gp.
5113 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5115         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5116         $(THREADSLIB) and $(LIBDL).
5117         * Makefile.in: Rebuild.
5119 2010-01-06  Ian Lance Taylor  <iant@google.com>
5121         PR 10980
5122         * options.cc (General_options::parse_section_start): New function.
5123         (General_options::section_start): New function.
5124         (General_options::General_options): Initialize all members.
5125         * options.h: Include <map>
5126         (class General_options): Add --section-start.  Add section_starts_
5127         member.
5128         * layout.cc (Layout::attach_allocated_section_to_segment): If
5129         --section-start was used, set the address of the segment.  Remove
5130         local sort_sections.
5131         (Layout::relaxation_loop_body): If the address of the load segment
5132         has been set by --section-start, don't use it.
5133         * output.h (Output_segment::update_flags_for_output_section): New
5134         function.
5135         * output.cc (Output_segment::add_output_section): Call
5136         update_flags_for_output_section.
5138 2010-01-05  Ian Lance Taylor  <iant@google.com>
5140         PR 10980
5141         * options.h (class General_options): Add --undefined-version.
5142         * script.cc (struct Version_expression): Add was_matched_by_symbol
5143         field.
5144         (Version_script_info::matched_symbol): New function.
5145         (Version_script_info::get_symbol_version_helper): Call
5146         matched_symbol.
5147         (Version_script_info::check_unmatched_names): New function.
5148         * script.h (class Version_script_info): Update declarations.
5149         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5151         * options.h (class General_options): Use DEFINE_bool_alias for
5152         allow_multiple_definition.
5153         * resolve.cc (Symbol_table::should_override): Don't test
5154         allow_multiple_definition.
5156         PR 10980
5157         * options.h (class General_options): Add --cref.
5158         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5159         until after printing cref table.
5160         * cref.cc: Include "symtab.h".
5161         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5162         (Cref_table_compare::operator()): New function.
5163         (Cref_inputs::gather_cref): New function.
5164         (filecol): New static const.
5165         (Cref_inputs::print_cref): New function.
5166         (Cref::print_cref): New function.
5167         * cref.h: Include <cstdio>.
5168         (class Cref): Update declarations.
5169         * mapfile.h (Mapfile::file): New function.
5170         * object.h (class Object): Define Symbols.  Declare virtual
5171         do_get_global_symbols.
5172         (Object::get_global_symbols): New function.
5173         * object.cc (Input_objects::add_object): Pass object to cref_ if
5174         --cref.
5175         (Input_objects::archive_start): Likewise.
5176         (Input_objects::archive_stop): Likewise.
5177         (Input_objects::print_cref): New function.
5178         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5179         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5180         --cref.
5181         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5182         function.
5183         * plugin.h (class Sized_pluginobj): Update declarations.
5185 2010-01-05  Ian Lance Taylor  <iant@google.com>
5187         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5188         to is_default_version.  Rename insdef to insdefault.
5189         (Symbol_table::add_from_relobj): Rename def to is_default_version
5190         and local to is_forced_local.
5191         (Symbol_table::add_from_pluginobj): Likewise.
5192         (Symbol_table::add_from_dynobj): Likewise.
5193         (Symbol_table::define_special_symbol): Rename insdef to
5194         insdefault.
5196 2010-01-04  Ian Lance Taylor  <iant@google.com>
5198         PR 10980
5199         * options.h (class General_options): Add
5200         --allow-multiple-definition and -z muldefs.
5201         * resolve.cc (Symbol_table::should_override): Don't warn about a
5202         multiple symbol definition if --allow-multiple-definition or -z
5203         muldefs.
5205         PR 10980
5206         * options.h (class General_options): Add --add-needed and
5207         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5208         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5209         error if --copy-dt-needed-entries aka --add-needed is used and
5210         would cause a change in behaviour.
5212         PR 10980
5213         * options.h (class General_options): Add -G as a short version of
5214         --shared.  Add no-op options -assert, -g, and -i.
5216 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5218         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5219         check for .text or .gnu.linkonce.t sections.
5220         * icf.cc (Icf::find_identical_sections): Ditto.
5221         Change the detection for mangled function name within the section
5222         name.
5223         * icf.h (is_section_foldable_candidate): New function.
5225 2009-12-30  Ian Lance Taylor  <iant@google.com>
5227         PR 10980
5228         * options.h (class General_options): Permit two dashes with
5229         --retain-symbols-file.
5231 2009-12-30  Ian Lance Taylor  <iant@google.com>
5233         PR 10979
5234         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5235         don't put the file header and segment headers in the text
5236         segment.
5238         PR 10979
5239         * common.cc (Sort_commons::operator()): Stabilize sort when both
5240         entries are NULL.
5241         (Symbol_table::do_allocate_commons_list): When allocating common
5242         symbols, skip a symbol which is no longer common.
5243         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5244         an object before checking its type.
5245         * testsuite/common_test_2.c: New file.
5246         * testsuite/common_test_3.c: New file.
5247         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5248         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5249         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5250         (common_test_2_pic.o, common_test_2.so): New targets.
5251         (common_test_3_pic.o, common_test_3.so): New targets.
5252         * testsuite/Makefile.in: Rebuild.
5254         PR 10979
5255         * script.cc (read_input_script): If we see a new SECTIONS clause,
5256         and we have added an input section, give an error.
5257         * layout.h (class Layout): Add have_added_input_section function.
5258         Add have_added_input_section_ field.
5259         * layout.cc (Layout::Layout): Initialize
5260         have_added_input_section_.
5261         (Layout::layout): Set have_added_input_section_.
5262         (Layout::layout_eh_frame): Likewise.
5264 2009-12-30  Ian Lance Taylor  <iant@google.com>
5266         PR 10931
5267         * options.h (class General_options): Add --sort-common option.
5268         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5269         * common.cc (Sort_common): Add sort_order parameter to
5270         constructor.  Add sort_order_ field.
5271         (Sort_commons::operator): Check sort_order_.
5272         (Symbol_table::allocate_commons): Determine the sort order.
5273         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5274         Change all callers.
5275         (Symbol_table::do_allocate_commons_list): Likewise.
5277 2009-12-30  Ian Lance Taylor  <iant@google.com>
5279         PR 10916
5280         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5281         symbols from this object, don't change the visibility of an
5282         undefined symbol.
5283         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5285 2009-12-30  Ian Lance Taylor  <iant@google.com>
5287         PR 10861
5288         * script.h (class Version_script_info): Define Language enum.
5289         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5290         new fields globals_, locals_, and is_finalized_.
5291         * script.cc: Various formatting fixes.
5292         (class Parser_closure): Change language_stack_ from a vector of
5293         std::string to one of Version_script_info::Language.  Adjust all
5294         uses accordingly.
5295         (class Lazy_demangler): Remove.
5296         (struct Version_expression): Change language from std::string to
5297         Version_script_info::Language.
5298         (Version_script_info::Version_script_info): New function.
5299         (Version_script_info::~Version_script_info): Don't call clear.
5300         (Version_script_info::finalize): New function.
5301         (Version_script_info::build_lookup_tables): New function.
5302         (Version_script_info::build_expression_list_lookup): New
5303         function.
5304         (Version_script_info::get_symbol_version_helper): Rewrite to use
5305         lookup tables.
5306         (Version_script_info::print_expression_list): Adjust to use
5307         Version_script_info::Language.
5308         (script_push_lex_into_version_mode): Check that the version script
5309         has not been finalized.
5310         (version_script_push_lang): Change language string to
5311         Version_script_info::Language.
5312         * options.cc (Command_line::version_script): New function.
5313         * options.h (class General_options): Add finalize_dynamic_list
5314         function.  Change version_script from declaration to definition.
5315         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5316         * testsuite/version_script.map: Remove duplicate def of foo.
5317         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5318         version_script.map.
5319         * testsuite/Makefile.in: Rebuild.
5321 2009-12-30  Ian Lance Taylor  <iant@google.com>
5323         PR 10843
5324         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5325         if the input symbol index is 0, make the output symbol index 0.
5327 2009-12-30  Ian Lance Taylor  <iant@google.com>
5329         PR 10670
5330         * options.h (class General_options): Add -x/--discard-all.
5331         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5332         --discard-all.  If the local symbol needs a dynamic entry, check
5333         that before handling --discard-locals.
5335 2009-12-30  Ian Lance Taylor  <iant@google.com>
5337         PR 10450
5338         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5339         flags to PF_R.
5340         (Output_segment::add_output_section): Don't change the flags if
5341         the type is PT_TLS.
5343         PR 10450
5344         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5345         GNU hash table if they need a dynamic value.  Otherwise, don't add
5346         them if they are defined in a dynamic object or are forced local.
5348 2009-12-29  Ian Lance Taylor  <iant@google.com>
5350         PR 10450
5351         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5352         .gnu.hash table for a 32-bit target.
5354         PR 10450
5355         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5356         regular and a dynamic object only needs a dynamic symbol table
5357         entry if it is externally visible.
5359         PR 10450
5360         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5361         constructor.  Add global_offset_table_ field.
5362         (Target_i386::got_section): Set global_offset_table_.
5363         (Target_i386::do_finalize_sections): Set global_offset_table_
5364         size.
5365         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5366         in constructor.  Add global_offset_table_ field.
5367         (Target_x86_64::got_section): Set global_offset_table_.
5368         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5369         size.
5371         * layout.cc (Layout::Layout): Initialize increase_relro_.
5372         (Layout::get_output_section): Add is_relro, is_last_relro, and
5373         is_first_non_relro parameters.  Change all callers.
5374         (Layout::choose_output_section): Likewise.
5375         (Layout::add_output_section_data): Likewise.
5376         (Layout::make_output_section): Likewise.
5377         (Layout::set_segment_offsets): Clear increase_relro when using a
5378         linker script.
5379         * layout.h (class Layout): Add increase_relro method.  Add
5380         increase_relro_ field.  Update declarations.
5381         * output.cc (Output_section::Output_section): Initialize
5382         is_last_relro_ and is_first_non_relro_.
5383         (Output_segment::add_output_section): Group relro sections is
5384         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5385         (Output_segment::maximum_alignment): Remove relro handling.
5386         (Output_segment::set_section_addresses): Add increase_relro
5387         parameter.  Change all callers.  Add initial alignment to align
5388         relro sections on separate page.  Remove old relro handling.
5389         (Output_segment::set_section_list_addresses): Remove in_relro
5390         parameter.  Change all callers.
5391         (Output_segment::set_offset): Add increase parameter.  Change all
5392         callers.  Remove old relro handling.
5393         * output.h (class Output_section): Add new methods: is_last_relro,
5394         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5395         Add is_last_relro_ and is_first_non_relro_ fields.
5396         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5397         Create separate .got.plt section.  Call increase_relro.
5398         * x86_64.cc (Target_x86_64::got_section): Likewise.
5399         * testsuite/relro_script_test.t: Add .got.plt.
5401         PR 10450
5402         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5403         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5404         (Layout::finalize): Call set_dynamic_symbol_size.
5405         (Layout::set_dynamic_symbol_size): New function.
5406         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5407         set_dynamic_symbol_size.
5409         PR 10450
5410         * output.h (class Output_section): Add is_entsize_zero_ field.
5411         * output.cc (Output_section::Output_section): Initialize
5412         is_entsize_zero_.
5413         (Output_section::set_entsize): If two different entsizes are
5414         requested, force it to zero.
5415         (Output_section::add_input_section): Set flags for .debug_str
5416         before updating section flags.  Set entsize.
5417         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5418         and SHF_STRING if all input sections have those flags.
5420 2009-12-29   Rafael Espindola  <espindola@google.com>
5422         * main.cc (main): Fix the sys time reporting.
5423         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5424         reporting.
5426 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5428         * options.cc (General_options::parse_version): Allow -v to exit
5429         without an error if there is nothing to link.
5431 2009-12-29  Ian Lance Taylor  <iant@google.com>
5433         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5434         using a version of gcc before 4.1.
5435         * configure: Rebuild.
5437 2009-12-28  Chris Demetriou  <cgd@google.com>
5439         * attributes.cc (Output_attributes_section_data::do_write): Use
5440         std::vector::front rather than std::vector::data.
5442 2009-12-28  Ian Lance Taylor  <iant@google.com>
5444         * symtab.h (class Symbol_table): Add enum Defined.
5445         * resolve.cc (Symbol_table::should_override): Add defined
5446         parameter.  Change all callers.  Test whether object is NULL
5447         before calling a method on it.
5448         (Symbol_table::report_resolve_problem): Add defined parameter.
5449         Change all callers.
5450         (Symbol_table::should_override_with_special): Likewise.
5451         * symtab.cc (Symbol_table::define_in_output_data): Add defined
5452         parameter.  Change all callers.
5453         (Symbol_table::do_define_in_output_data): Likewise.
5454         (Symbol_table::define_in_output_segment): Likewise.
5455         (Symbol_table::do_define_in_output_segment): Likewise.
5456         (Symbol_table::define_as_constant): Likewise.
5457         (Symbol_table::do_define_as_constant): Likewise.
5458         * script.h (class Symbol_assignment): Add is_defsym parameter to
5459         constructor; change all callers.
5460         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
5461         parameter.  Change all callers.  Add is_defsym_ field.
5462         (class Parser_closure): Add parsing_defsym parameter to
5463         constructor; change all callers.  Add parsing_defsym accessor
5464         function.  Add parsing_defsym_ field.
5466 2009-12-28  Ian Lance Taylor  <iant@google.com>
5468         * gold.cc (queue_middle_tasks): Fix formatting.
5469         * object.cc (Relobj::is_section_name_included): Likewise.
5471 2009-12-23  Ian Lance Taylor  <iant@google.com>
5473         * i386.cc (Target_i386::do_calls_non_split): Recognize
5474         -fsplit-stack prologue for a function with a static chain.
5475         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
5476         -fsplit-stack prologue when using %r11.
5478 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
5480         * options.cc (General_options::parse_version): Make -v continue and do
5481         the link like GNU ld does.
5483 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
5485         * Makefile.am (CCFILES): Add timer.cc.
5486         (HFILES): Add timer.h.
5487         * configure.ac: Check for sysconf and times.
5488         * main.cc: include timer.h.
5489         (main): Use Timer instead of get_run_time.
5490         * timer.cc: New.
5491         * timer.h: New.
5492         * workqueue.cc: include timer.h.
5493         (Workqueue::find_and_run_task):
5494         Report user, sys and wall time.
5495         * Makefile.in: Regenerate.
5496         * config.in: Regenerate.
5497         * configure: Regenerate.
5499 2009-12-16  Doug Kwan  <dougkwan@google.com>
5501         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
5502         sections.
5503         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
5504         relaxed input sections.
5505         * output.cc (Output_section::find_relaxed_input_section): Change
5506         return type to Output_relaxed_input_section pointer.  Adjust code
5507         for new type of relaxed_input_section_map_.
5508         * output.h (Output_section::find_relaxed_input_section): Change
5509         return type to Output_relaxed_input_section pointer.
5510         (Output_section::Output_relaxed_input_section_by_input_section_map):
5511         New type.
5512         (Output_section::relaxed_input_section_map_): Change type to
5513         Output_section::Output_relaxed_input_section_by_input_section_map.
5514         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
5515         input section.
5517 2009-12-15  Ian Lance Taylor  <iant@google.com>
5519         * layout.cc (Layout::create_shstrtab): Only write out after input
5520         sections if we are compressing debug sections.
5522 2009-12-15  Ian Lance Taylor  <iant@google.com>
5524         * archive.cc (Archive::add_symbols): Only look up a symbol without
5525         a version if there is, in fact, a version.
5527 2009-12-14  Ian Lance Taylor  <iant@google.com>
5529         Revert -Wshadow changes, all changes from:
5530         2009-12-11  Doug Kwan  <dougkwan@google.com>
5531         2009-12-11  Nick Clifton  <nickc@redhat.com>
5532         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
5534 2009-12-11  Doug Kwan  <dougkwan@google.com>
5536         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
5537         due to -Wshadow.
5538         * attributes.cc (Object_attribute::size): Ditto.
5539         (Attributes_section_data::size): Ditto.
5540         (Attributes_section_data::Attributes_section_data): Ditto.
5541         (Output_attributes_section_data::do_write): Ditto.
5542         * attributes.h (Object_attribute::set_type): Ditto.
5543         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
5545 2009-12-11  Nick Clifton  <nickc@redhat.com>
5547         * archive.cc: Fix shadowed variable warnings.
5548         * arm.cc: Likewise.
5549         * compressed_output.cc: Likewise.
5550         * compressed_output.h: Likewise.
5551         * configure: Likewise.
5552         * dwarf_reader.cc: Likewise.
5553         * dynobj.cc: Likewise.
5554         * dynobj.h: Likewise.
5555         * ehframe.cc: Likewise.
5556         * ehframe.h: Likewise.
5557         * errors.cc: Likewise.
5558         * expression.cc: Likewise.
5559         * fileread.cc: Likewise.
5560         * fileread.h: Likewise.
5561         * freebsd.h: Likewise.
5562         * i386.cc: Likewise.
5563         * icf.cc: Likewise.
5564         * incremental.h: Likewise.
5565         * layout.cc: Likewise.
5566         * layout.h: Likewise.
5567         * mapfile.cc: Likewise.
5568         * merge.cc: Likewise.
5569         * merge.h: Likewise.
5570         * object.cc: Likewise.
5571         * object.h: Likewise.
5572         * options.h: Likewise.
5573         * output.cc: Likewise.
5574         * output.h: Likewise.
5575         * parameters.cc: Likewise.
5576         * plugin.cc: Likewise.
5577         * powerpc.cc: Likewise.
5578         * reduced_debug_output.cc: Likewise.
5579         * reduced_debug_output.h: Likewise.
5580         * reloc.cc: Likewise.
5581         * reloc.h: Likewise.
5582         * resolve.cc: Likewise.
5583         * script-sections.cc: Likewise.
5584         * script.cc: Likewise.
5585         * script.h: Likewise.
5586         * sparc.cc: Likewise.
5587         * symtab.cc: Likewise.
5588         * symtab.h: Likewise.
5589         * target-select.cc: Likewise.
5590         * target-select.h: Likewise.
5591         * token.h: Likewise.
5592         * workqueue.cc: Likewise.
5593         * workqueue.h: Likewise.
5594         * x86_64.cc: Likewise.
5596 2009-12-10  Doug Kwan  <dougkwan@google.com>
5598         * arm.cc (attributes.h): New include.
5599         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5600         (Arm_relobj::~Arm_relobj): Delete object pointed by
5601         attributes_section_data_.
5602         (Arm_relobj::attributes_section_data): New method definition.
5603         (Arm_relobj::attributes_section_data_): New data member declaration.
5604         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5605         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5606         attributes_section_data_.
5607         (Arm_dynobj::attributes_section_data): New method definition.
5608         (Arm_dynobj::attributes_section_data_): New data member declaration.
5609         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5610         initialization value of may_use_blx_ to false.
5611         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5612         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5613         object attributes to compute results instead of hard-coding.
5614         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5615         Target_arm::get_secondary_compatible_arch,
5616         Target_arm::set_secondary_compatible_arch
5617         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5618         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5619         New method declarations.
5620         (Target_arm::get_aeabi_object_attribute): New method definition.
5621         (Target_arm::attributes_section_data_): New data member declaration.
5622         (read_arm_attributes_section): New template definition.
5623         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5624         (Arm_dynobj::do_read_symbols): Ditto.
5625         (Target_arm::do_finalize_sections): Merge attributes sections from
5626         input.  Check for BLX use after attributes section merging.
5627         Fix __exidx_start and __exidx_end visibility.  Create an
5628         .ARM.attributes section if necessary.
5629         (Target_arm::get_secondary_compatible_arch,
5630         Target_arm::set_secondary_compatible_arch,
5631         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5632         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5633         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5634         New method definitions.
5636 2009-12-09  Ian Lance Taylor  <iant@google.com>
5638         * plugin.cc (Plugin::load): Don't cast from void* to a function
5639         pointer.
5641 2009-12-09  Ian Lance Taylor  <iant@google.com>
5643         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5644         information fields.
5646 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5648         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5649         Replace two_file_shared_1.so with two_file_shared_2.so.
5650         * testsuite/Makefile.in: Regenerated.
5652 2009-12-08  Doug Kwan  <dougkwan@google.com>
5654         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5655         (HFILES): Add attributes.h and int_encoding.h.
5656         * Makefile.in: Regenerate.
5657         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5658         function definitions to int_encoding.cc
5659         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5660         prototypes to int_encoding.h
5661         * reduced_debug_output.cc (int_encoding.h): New include.
5662         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5663         function definitions to int_encoding.cc
5664         (insert_into_vector, read_from_pointer): Move template definitions to
5665         int_encoding.h
5666         * attributes.cc: New file.
5667         * attributes.h: New file.
5668         * int_encoding.cc: New file.
5669         * int_encoding.h: New file.
5671 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5673         PR gold/11055
5674         * incremental-dump.cc (dump_incremental_inputs): New.
5675         (main): Use dump_incremental_inputs.
5677 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5679         PR gold/10893
5680         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5681         checking elfcpp::STT_FUNC.
5682         (Target_i386::Relocate::relocate): Likewise.
5683         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5685         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5686         symbols from shared libraries into normal FUNC symbols.
5688         * symtab.h (Symbol): Add is_func and use it.
5690 2009-12-05  Doug Kwan  <dougkwan@google.com>
5692         * arm.cc (Target_arm::arm_info): Initialize new fields
5693         attributes_section and attributes_vendor.
5694         * i386.cc (Target_i386::i386_info): Same.
5695         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5696         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5697         fields attributes_section and attributes_vendor.
5698         * sparc.cc (Target_sparc::sparc_info): Same.
5699         * target.h (Target::attributes_section, Target::attributes_vendor,
5700         Target::is_attributes_section, Target::attribute_arg_type,
5701         Target::attributes_order): New method definitions.
5702         (Target::Target_info::attributes_section,
5703         Target::Target_info::attributes_vendor): New fields.
5704         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5705         virtual method definitions.
5706         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5707         attributes_section and attributes_vendor.
5708         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5710 2009-12-05  Doug Kwan  <dougkwan@google.com>
5712         * arm.cc: Update comments about interworking and stub generation.
5713         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5714         considered as non-PIC.
5715         (Arm_relocate_functions::base_abs): Fix formatting.
5716         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5717         of function to use GOT entry address instead of offset.
5718         (Target_arm::Scan::global): Issue an error if a symbol would need a
5719         PLT does not get one because it is untyped.  Remove code to create
5720         dynamic symbols for relative branches.
5721         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5722         takes unsigned integer instead of boolean.
5724 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5726         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5727         (two_file_test_LDADD): Likewise.
5728         (common_test_1_LDADD): Likewise.
5729         (exception_test_LDADD) Likewise.
5730         (weak_test_LDADD): Likewise.
5731         (many_sections_test_LDADD): Likewise.
5732         (initpri1_LDADD): Likewise.
5733         (script_test_1_LDADD): Likewise.
5734         (script_test_2_LDADD): Likewise.
5735         (justsyms_LDADD): Likewise.
5736         (binary_test_LDADD): Likewise.
5737         (large_LDADD): Likewise.
5738         * testsuite/Makefile.in: Regenerated.
5740 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5742         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5743         (Symbol_table::override_with_special): Likewise.
5744         (Symbol_table::add_from_object): Likewise.
5746 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5748         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5749         Don't set the data_offset twice.
5751 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5753         * testsuite/Makefile.in: Regenerate.
5755 2009-12-03  Doug Kwan  <dougkwan@google.com>
5757         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5758         (Target_arm::do_finalize_sections): Add parameter for symbol table
5759         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5760         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5761         parameter for symbol table pointer.
5762         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5763         an additional parameter for a pointer to symbol table.
5764         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5765         parameter for a symbol table pointer.
5766         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5767         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5768         Ditto.
5769         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5770         parameter for a symbol table pointer.
5772 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5774         * incremental.cc (Incremental_inputs_header)
5775         (Incremental_inputs_header_write, Incremental_inputs_entry)
5776         (Incremental_inputs_entry_write): Move ...
5777         * incremental.h (Incremental_inputs_header)
5778         (Incremental_inputs_header_write, Incremental_inputs_entry)
5779         (Incremental_inputs_entry_write): here.
5781 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5783         * incremental.cc (make_sized_incremental_binary): Set the target.
5784         Error if it is incompatible.
5785         * output.h (Output_file): Add filename method.
5787 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5789         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5790         from the get_* methods.
5792 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5794         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5795         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5796         Write 0 for the data_offset of scripts.
5798 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5800         * testsuite/Makefile.am: Add the incremental_test.sh test.
5801         * testsuite/incremental_test.sh: New.
5802         * testsuite/incremental_test_1.c: New.
5803         * testsuite/incremental_test_2.c: New.
5805 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5807        * incremental-dump.cc (main): Fix typos.
5809 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5811         PR gold/11025
5812         * incremental-dump.cc (main): Use llu to print 64 bit values.
5814 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5815             H.J. Lu  <hongjiu.lu@intel.com>
5817         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5818         $(LIBDL).
5819         (incremental_dump_LDADD): Likewise.
5820         * Makefile.in: Regenerated.
5822 2009-11-25  Doug Kwan  <dougkwan@google.com>
5824         Revert:
5826         2009-11-25  Doug Kwan  <dougkwan@google.com>
5828                 * arm.cc (Target_arm::Target_arm): Move method definition
5829                 outside of class definition.  Add code to handle
5830                 --target1-rel, --target1-abs and --target2= options.
5831                 (Target_arm::get_reloc_reloc_type): Change method to be
5832                 non-static and const.
5833                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5834                 New data member declaration.
5835                 (Target_arm::Scan::local, Target_arm::Scan::global,
5836                 Target_arm::Relocate::relocate,
5837                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5838                 Adjust call to Target_arm::get_real_reloc_type.
5839                 (Target_arm::get_real_reloc_type): Use command line options
5840                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5841                 * options.h (--target1-rel, --target1-abs, --target2): New
5842                 ARM-only options.
5844 2009-11-25  Doug Kwan  <dougkwan@google.com>
5846         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5847         class definition.  Add code to handle --target1-rel, --target1-abs
5848         and --target2= options.
5849         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5850         and const.
5851         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5852         member declaration.
5853         (Target_arm::Scan::local, Target_arm::Scan::global,
5854         Target_arm::Relocate::relocate,
5855         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5856         call to Target_arm::get_real_reloc_type.
5857         (Target_arm::get_real_reloc_type): Use command line options to
5858         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5859         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5860         options.
5862 2009-11-25  Doug Kwan  <dougkwan@google.com>
5864         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5865         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5866         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5867         formatting.
5868         (Arm_relocate_functions::thm_call): Replace body with a call to
5869         Arm_relocate_functions::thumb_branch_common.
5870         (Arm_relocate_functions::thm_jump24,
5871         Arm_relocate_functions::thm_xpc22): New method definitions.
5872         (Arm_relocate_functions::thumb_branch_common): New method definition.
5873         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5874         operator.
5875         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5876         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5878 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5880         * Makefile.am: Build incremental-dump
5881         * Makefile.in: Regenerate.
5882         * incremental-dump.cc: New.
5883         * incremental.cc (Incremental_inputs_header_data,
5884         Incremental_inputs_entry_data): Move to incremental.h
5885         * incremental.h: (Incremental_inputs_header_data,
5886         Incremental_inputs_entry_data): Move from incremental.cc
5888 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5890         * incremental.cc (Incremental_inputs_header,
5891         Incremental_inputs_header_write, Incremental_inputs_entry,
5892         Incremental_inputs_entry_write): Add a typedef with the data type.
5894 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5896         * incremental.cc (Incremental_inputs_header,
5897         Incremental_inputs_header_write, Incremental_inputs_entry,
5898         Incremental_inputs_entry_write): Update comment about which
5899         type has the filed descriptions.
5901 2009-11-15  Doug Kwan  <dougkwan@google.com>
5903         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5904         (Arm_relocate_functions::arm_branch_common): Change method defintion
5905         in class definition to a method declaration and update list of formal
5906         parameters.
5907         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
5908         Arm_relocation_functions::jump24): Adjust call to
5909         Arm_relocate_functions::arm_branch_common.  Update list of formal
5910         parameters.
5911         (Arm_relocate_functions::xpc25): New method definition.
5912         (Arm_relocate_functions::arm_branch_common): Move method defintion
5913         out from class definition.  Use stubs for mode-switching and extending
5914         branch ranges.
5915         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
5916         specially.  Change code to enable use of stubs in ARM branches.
5918 2009-11-10  Doug Kwan  <dougkwan@google.com>
5920         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5921         in method declaration.
5922         (Target_arm::relocate_stub): New method declaration.
5923         (Target_arm::default_target): Change to return a pointer instead of
5924         a const reference.
5925         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
5926         Target_arm::default_target.
5927         (Arm_Relobj::do_relocate_sections): Remove options paramater in
5928         method definition.
5929         (Target_arm::relocate_section): Adjust view.
5930         (Target_arm::relocate_stub): New method definition.
5932 2009-11-10  Doug Kwan  <dougkwan@google.com>
5934         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
5935         a format warning.
5936         * incremental.cc (open_incremental_binary): Initialized local
5937         variables to avoid warnings.
5938         * object.cc (make_elf_object): Ditto.
5939         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
5940         a format warning.
5942 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
5944         PR gold/10930
5945         * testsuite/plugin_test.c: Include "config.h".
5947 2009-11-09  Doug Kwan  <dougkwan@google.com>
5949         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
5950         (arm_symbol_value): Remove.
5951         (Arm_relocate_functions::arm_branch_common,
5952         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
5953         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
5954         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
5955         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
5956         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
5957         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
5958         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
5959         Arm_relocate_functions::thm_mobw_abs_nc,
5960         Arm_relocate_functions::thm_mov_abs,
5961         Arm_relocate_functions::movw_prel_nc,
5962         Arm_relocate_functions::thm_movt_abs,
5963         Arm_relocate_functions::movt_prel,
5964         Arm_relocate_functions::thm_movw_prel_nc,
5965         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
5966         (Target_arm::Relocate::relocate): Only decompose address into two
5967         parts if relocation type uses the thumb-bit and pass the actual
5968         bit instead of a flag indicating that the thumb-bit is used.  Adjust
5969         calls to methods in Arm_relocate_functions for this change.
5971 2009-11-08  Ian Lance Taylor  <iant@google.com>
5973         PR 10925
5974         * reloc.cc: Instantiate
5975         Sized_relobj::initialize_input_to_output_maps and
5976         Sized_relobj:free_input_to_output_maps.
5978 2009-11-06  Ian Lance Taylor  <iant@google.com>
5980         PR 10876
5981         * defstd.cc (in_segment): Set only_if_ref true for "end".
5983 2009-11-06  Doug Kwan  <dougkwan@google.com>
5985         * arm.cc (class Reloc_stub): Correct a comment.
5986         (Target_arm::Target_arm): Initialize arm_input_section_map_.
5987         (Target_arm::scan_section_for_stubs): New method declaration.
5988         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
5989         Change methods from private to protected.
5990         (Target_arm::do_may_relax): New method definition.
5991         (Target_arm::do_relax, Target_arm::group_sections,
5992         Target_arm::scan_reloc_for_stub,
5993         Target_arm::scan_reloc_section_for_stubs): New method declarations.
5994         (Target_arm::arm_input_section_map_): New data member declaration.
5995         (Target_arm::scan_reloc_for_stub,
5996         Target_arm::scan_reloc_section_for_stubs,
5997         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
5998         Target_arm::do_relax): New method definitions.
6000 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6002         * configure.ac: Check for (struct stat)::st_mtim
6003         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6004         * config.in: Regenerate.
6005         * configure: Regenerate.
6007 2009-11-05  Ian Lance Taylor  <iant@google.com>
6009         PR 10910
6010         * output.cc (Output_segment::add_output_section): Add missing
6011         return statement.
6013 2009-11-04  Ian Lance Taylor  <iant@google.com>
6015         PR 10880
6016         * object.h (class Object): Add is_needed and set_is_needed
6017         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6018         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6019         defined in a dynamic object and referenced by a regular object,
6020         set is_needed for the dynamic object.
6021         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6022         if the file is marked with as_needed and it is not needed.
6024 2009-11-04  Ian Lance Taylor  <iant@google.com>
6026         PR 10887
6027         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6028         tags if data is discarded by linker script.
6029         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6030         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6031         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6032         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6034 2009-11-04  Ian Lance Taylor  <iant@google.com>
6036         * layout.cc (Layout::get_output_section): Add is_interp and
6037         is_dynamic_linker_section parameters.  Change all callers.
6038         (Layout::choose_output_section): Likewise.
6039         (Layout::make_output_section): Likewise.
6040         (Layout::add_output_section_data): Add is_dynamic_linker_section
6041         parameter.  Change all callers.
6042         * layout.h (class Layout): Update declarations.
6043         * output.h (class Output_section): Add is_interp, set_is_interp,
6044         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6045         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6046         generate_code_fills_at_write_ to a bitfield.
6047         * output.cc (Output_section::Output_sections): Initialize new
6048         fields.
6049         (Output_segment::add_output_section): Add do_sort parameter.
6050         Change all callers.
6052 2009-11-03  Ian Lance Taylor  <iant@google.com>
6054         PR 10860
6055         * options.h (class General_options): Add --warn-common.
6056         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6057         merging two common symbols.
6058         (Symbol_table::should_override): Handle --warn-common when merging
6059         a common symbol with a defined symbol.  Use report_resolve_problem
6060         for multiple definitions.
6061         (Symbol_table::report_resolve_problem): New function.
6062         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6064 2009-11-03  Doug Kwan  <dougkwan@google.com>
6066         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6067         stub_factory_.
6068         (Target_arm::stub_factory): New method definition.
6069         (Target_arm::new_arm_input_section,
6070         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6071         Target_arm::reloc_uses_thumb_bit): New method declarations.
6072         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6073         New type definitions.
6074         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6075         member declarations.
6076         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6077         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6078         New method definitions.
6080 2009-11-03  Ian Lance Taylor  <iant@google.com>
6082         * options.h (class General_options): Add --warn_constructors.
6084 2009-11-03  Ian Lance Taylor  <iant@google.com>
6086         PR 10893
6087         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6088         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6090 2009-11-03  Ian Lance Taylor  <iant@google.com>
6092         PR 10895
6093         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6094         --msgid-bugs-address.
6095         (install-pdf): New target.
6096         (install-data_yes): Look up one directory to find mkinstalldirs.
6098 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6100         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6101         tree.
6103 2009-10-30  Doug Kwan  <dougkwan@google.com>
6105         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6107 2009-10-30  Doug Kwan  <dougkwan@google.com>
6109         * arm.cc (Stub_addend_reader): New struct template definition
6110         and partial specializations.
6111         (Stub_addend_reader::operator()): New method definition for a
6112         partially specialized template.
6114 2009-10-30  Doug Kwan  <dougkwan@google.com>
6116         * arm.cc (Arm_relobj::processor_specific_flags): New method
6117         definition.
6118         (Arm_relobj::do_read_symbols): New method declaration.
6119         (Arm_relobj::processor_specific_flags_): New data member declaration.
6120         (Arm_dynobj): New class definition.
6121         (Target_arm::do_finalize_sections): Add input_objects parameter.
6122         (Target_arm::do_adjust_elf_header): New method declaration.
6123         (Target_arm::are_eabi_versions_compatible,
6124         (Target_arm::merge_processor_specific_flags): New method declaration.
6125         (Target_arm::do_make_elf_object): New overloaded method definitions
6126         and declaration.
6127         (Arm_relobj::do_read_symbols): New method definition.
6128         (Arm_dynobj::do_read_symbols): Ditto.
6129         (Target_arm::do_finalize_sections): Add input_objects parameters.
6130         Merge processor-specific flags from all input objects.
6131         (Target_arm::are_eabi_versions_compatible,
6132         Target_arm::merge_processor_specific_flags,
6133         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6134         New method definitions.
6135         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6136         Input_objects pointer type parameter.
6137         * layout.cc (Layout::finalize): Pass input objects to target's.
6138         finalize_sections function.
6139         * output.cc (Output_file_header::do_sized_write): Set ELF file
6140         header's processor-specific flags.
6141         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6142         Input_objects pointer type parameter.
6143         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6144         * target.h (Input_objects): New forward class declaration.
6145         (Target::processor_specific_flags,
6146         Target::are_processor_specific_flags_sect): New method definitions.
6147         (Target::finalize_sections): Add input_objects parameter.
6148         (Target::Target): Initialize processor_specific_flags_ and
6149         are_processor_specific_flags_set_.
6150         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6151         parameter.
6152         (Target::set_processor_specific_flags): New method definition.
6153         (Target::processor_specific_flags_,
6154         Target::are_processor_specific_flags_set_): New data member
6155         declarations.
6156         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6157         Input_objects pointer type parameter.
6159 2009-10-30  Doug Kwan  <dougkwan@google.com>
6161         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6163 2009-10-28  Ian Lance Taylor  <iant@google.com>
6165         * object.h (class Relobj): Drop options parameter from
6166         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6167         do_scan_relocs, do_relocate.  Change all callers.
6168         (class Sized_relobj): Drop options parameters from
6169         do_gc_process_relocs, do_scan_relocs, do_relocate,
6170         do_relocate_sections, relocate_sections, emit_relocs_scan,
6171         emit_relocs_scan_reltype.  Change all callers.
6172         (struct Relocate_info): Remove options field and all references to
6173         it.
6174         * reloc.h (class Read_relocs): Remove options constructor
6175         parameter and options_ field.  Change all callers.
6176         (class Gc_process_relocs, class Scan_relocs): Likewise.
6177         (class Relocate_task): Likewise.
6178         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6179         all callers.
6180         (scan_relocatable_relocs): Likewise.
6181         * target.h (class Sized_target): Remove options parameter from
6182         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6183         all callers.
6184         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6185         callers.
6186         * arm.cc: Update functions to remove options parameters.
6187         * i386.cc: Likewise.
6188         * powerpc.cc: Likewise.
6189         * sparc.cc: Likewise.
6190         * x86_64.cc: Likewise.
6191         * testsuite/testfile.cc: Likewise.
6193 2009-10-28  Doug Kwan  <dougkwan@google.com>
6195         * arm.cc (Arm_relobj): New class definition.
6196         (Arm_relobj::scan_sections_for_stubs,
6197         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6198         New method definitions.
6200 2009-10-28  Cary Coutant  <ccoutant@google.com>
6202         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6203         (Plugin::cleanup_done_): New member.
6204         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6205         (Plugin_manager::cleanup_done_): Remove.
6206         (Plugin_manager::add_input_file): Edit error message.
6207         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6208         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6210 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6212         * fileread.cc: (File_read::View::~View): Use the new
6213         data_ownership_ filed.
6214         (File_read::~File_read): Dispose the new whole_file_view_.
6215         (File_read::open): Mmap the whole file if needed.
6216         (File_read::open): Use whole_file_view_ instead of contents_.
6217         (File_read::find_view): Use whole_file_view_ if applicable.
6218         (File_read::do_read): Use whole_file_view_ instead of contents_.
6219         (File_read::make_view): Use whole_file_view_ instead of contents_,
6220         update File_read::View::View call.
6221         (File_read::find_or_make_view): Update File_read::View::View
6222         call.
6223         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6224         remove contents_
6225         (File_read::View::Data_ownership): New enum.
6226         (File_read::View::View): Replace bool mapped_ with Data_ownership
6227         argument.
6228         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6229         (File_read::View::data_ownership_): New field.
6230         (File_read::contents_): Remove (replaced by whole_file_view_).
6231         (File_read::whole_file_view_): New field.
6232         * options.h (class General_options): Add --keep-files-mapped.
6234 2009-10-27  Cary Coutant  <ccoutant@google.com>
6236         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6237         * testsuite/Makefile.am (plugin_test_5): New test case.
6238         * testsuite/Makefile.in: Regenerate.
6240 2009-10-25  Doug Kwan  <dougkwan@google.com>
6242         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6243         from private to protected to allow access by child class.
6244         (Sized_relobj::do_relocate_sections): New method declaration.
6245         (Sized_relobj::relocate_sections): Virtualize.
6246         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6247         Sized_relobj::relocate_sections.  Instantiate template explicitly
6248         for different target sizes and endianity.
6250 2009-10-24  Doug Kwan  <dougkwan@google.com>
6252         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6253         (Arm_input_section::as_arm_input_section): New method.
6254         (Arm_output_section): New class definition.
6255         (Arm_output_section::create_stub_group,
6256         Arm_output_section::group_sections): New method definitions.
6258 2009-10-22  Doug Kwan  <dougkwan@google.com>
6260         * arm.cc (Arm_input_section): New class definition.
6261         (Arm_input_section::init, Arm_input_section:do_write,
6262         Arm_input_section::set_final_data_size,
6263         Arm_input_section::do_reset_address_and_file_offset): New method
6264         definitions.
6266 2009-10-21  Doug Kwan  <dougkwan@google.com>
6268         * arm.cc (Stub_table, Arm_input_section): New forward class
6269         declarations.
6270         (Stub_table): New class defintion.
6271         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6272         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6273         New method definition.
6275 2009-10-21  Doug Kwan  <dougkwan@google.com>
6277         * arm.cc: Update copyright comments.
6278         (Target_arm): New forward class template declaration.
6279         (Arm_address): New type.
6280         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6281         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6282         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6283         constants.
6284         (Insn_template): Same.
6285         (DEF_STUBS): New macro.
6286         (Stub_type): New enum type.
6287         (Stub_template): New class definition.
6288         (Stub): Same.
6289         (Reloc_stub): Same.
6290         (Stub_factory): Same.
6291         (Target_arm::Target_arm): Initialize may_use_blx_ and
6292         should_force_pic_veneer_.
6293         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6294         Target_arm::should_force_pic_veneer,
6295         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6296         Target_arm::using_thumb_only, Target_arm:;default_target): New
6297         method defintions.
6298         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6299         New data member declarations.
6300         (Insn_template::size, Insn_template::alignment): New method defintions.
6301         (Stub_template::Stub_template): New method definition.
6302         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6303         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6304         (Stub_factory::Stub_factory): New method definition.
6305         * gold.h (string_hash): New template.
6306         * output.h (Input_section_specifier::hash_value): Use
6307         gold::string_hash.
6308         (Input_section_specifier::string_hash): Remove.
6309         * stringpool.cc (Stringpool_template::string_hash): Use
6310         gold::string_hash.
6312 2009-10-20  Doug Kwan  <dougkwan@google.com>
6314         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6315         symbols of relaxed input sections.
6316         * output.h (Output_section::find_relaxed_input_section): Make
6317         method public.
6319 2009-10-16  Doug Kwan  <dougkwan@google.com>
6321         * dynobj.cc (Versions::Versions): Initialize version_script_.
6322         Only insert base version symbol definition for a shared object
6323         if version script defines any version versions.
6324         (Versions::define_base_version): New method definition.
6325         (Versions::add_def): Check that base version is not needed.
6326         (Versions::add_need): Define base version lazily.
6327         * dynobj.h (Versions::define_base_version): New method declaration.
6328         (Versions::needs_base_version_): New data member declaration.
6329         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6330         (check_DATA): Add no_version_test.stdout.
6331         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6332         New make rules.
6333         * testsuite/Makefile.in: Regenerate.
6334         * testsuite/no_version_test.c: New file.
6335         * testsuite/no_version_test.sh: Ditto.
6337 2009-10-16  Doug Kwan  <dougkwan@google.com>
6339         * expression.cc (class Segment_start_expression): New class definition.
6340         (Segment_start_expression::value): New method definition.
6341         (script_exp_function_segment_start): Return a new
6342         Segment_start_expression.
6343         * gold/script-c.h (script_saw_segment_start_expression): New function
6344         prototype.
6345         * script-sections.cc (Script_sections::Script_sections): Initialize
6346         SAW_SEGMENT_START_EXPRESSION_ to false.
6347         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6348         and -Tbbs options to specify section addresses if given in
6349         command line and no SEGMENT_START expression is seen in a script.
6350         * script-sections.h (Script_sections::saw_segment_start_expression,
6351         Script_sections::set_saw_segment_start_expression): New method
6352         definition.
6353         (Script_sections::saw_segment_start_expression_): New data member
6354         declaration.
6355         * script.cc (script_saw_segment_start_expression): New function.
6356         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6357         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6358         script_test_7.sh and script_test_8.sh.
6359         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6360         script_test_8.stdout.
6361         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6362         (script_test_6, script_test_6.stdout, script_test_7,
6363         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6364         * Makefile.in: Regenerate.
6365         * testsuite/script_test_6.sh: New file.
6366         * testsuite/script_test_6.t: Same.
6367         * testsuite/script_test_7.sh: Same.
6368         * testsuite/script_test_7.t: Same.
6369         * testsuite/script_test_8.sh: Same.
6371 2009-10-16  Doug Kwan  <dougkwan@google.com>
6373         * output.cc (Output_segment::set_section_list_address): Cast
6374         expressions to unsigned long long type to avoid format warnings.
6376 2009-10-15  Ian Lance Taylor  <iant@google.com>
6378         * script.cc (Script_options::add_symbol_assignment): Always add a
6379         dot assignment to script_sections_.
6380         * script-sections.cc (Script_sections::add_dot_assignment):
6381         Initialize if necessary.
6383         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6384         program headers with no load segment if there is a linker script.
6386         * layout.cc (Layout::set_segment_offsets): Align the file offset
6387         to the segment aligment for -N or -n with no load segment.
6388         * output.cc (Output_segment::add_output_section): Don't crash if
6389         the first section is a TLS section.
6390         (Output_segment::set_section_list_addresses): Print an error
6391         message if the address moves backward in a linker script.
6392         * script-sections.cc
6393         (Output_section_element_input::set_section_addresses): Don't
6394         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6395         (Orphan_output_section::set_section_addresses): Likewise.
6397 2009-10-15  Doug Kwan  <dougkwan@google.com>
6399         * layout.cc (Layout::finish_dynamic_section): Generate tags
6400         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6401         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6402         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6404 2009-10-14  Ian Lance Taylor  <iant@google.com>
6406         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6407         fields.
6408         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6409         data_shdr fields of relinfo.
6410         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6411         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6412         R_386_TLS_LDO_32, adjust based on section flags.
6413         (Target_i386::Relocate::fix_up_ldo): Remove.
6415 2009-10-13  Ian Lance Taylor  <iant@google.com>
6417         Add support for -pie.
6418         * options.h (class General_options): Add -pie and
6419         --pic-executable.
6420         (General_options::output_is_position_independent): Test -pie.
6421         (General_options::output_is_executable): Return true if not shared
6422         and not relocatable.
6423         (General_options::output_is_pie): Remove.
6424         * options.cc (General_options::finalize): Reject incompatible uses
6425         of -pie.
6426         * gold.cc (queue_middle_tasks): A -pie link is not static.
6427         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6428         * symtab.cc (Symbol::final_value_is_known): Return false if
6429         output_is_position_independent.
6430         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6431         output_is_position_independent.
6432         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6433         output_is_position_independent.
6434         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6435         output_is_position_independent.
6436         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6437         two_file_pie_test.
6438         (basic_pie_test.o, basic_pie_test): New targets.
6439         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
6440         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
6441         (two_file_pie_test): New target.
6442         * testsuite/Makefile.in: Rebuild.
6443         * README: Remove note saying that -pie is not supported.
6445 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6447         * options.h (class General_options): Add -init and -fini.
6448         * layout.cc (Layout::finish_dynamic_section): Emit
6449         given init and fini functions.
6451 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
6453         * gc.h (gc_process_relocs): Check if icf is enabled using new
6454         function.
6455         * gold.cc (queue_initial_tasks): Likewise.
6456         (queue_middle_tasks): Likewise.
6457         * object.cc (do_layout): Likewise.
6458         * symtab.cc (is_section_folded): Likewise.
6459         * main.cc (main): Likewise.
6460         * reloc.cc (Read_relocs::run): Likewise.
6461         (Sized_relobj::do_scan_relocs): Likewise.
6462         * icf.cc (is_function_ctor_or_dtor): New function.
6463         (Icf::find_identical_sections): Check if function is ctor or dtor when
6464         safe icf is chosen.
6465         * options.h (General_options::icf): Change option to be an enum.
6466         (Icf_status): New enum.
6467         (icf_enabled): New method.
6468         (icf_safe_folding): New method.
6469         (set_icf_status): New method.
6470         (icf_status_): New variable.
6471         * (options.cc) (General_options::finalize): Set icf_status_.
6472         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
6473         icf_test and icf_keep_unique_test to use the --icf enum flag.
6474         * testsuite/icf_safe_test.sh: New file.
6475         * testsuite/icf_safe_test.cc: New file.
6477 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
6479         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
6480         includes to gc.h and icf.h.
6481         * arm.cc: Include gc.h.
6482         * gold.cc: Likewise.
6483         * i386.cc: Likewise.
6484         * powerpc.cc: Likewise.
6485         * sparc.cc: Likewise.
6486         * x86_64.cc: Likewise.
6487         * gc.h: Include icf.h.
6489 2009-10-11  Ian Lance Taylor  <iant@google.com>
6491         * plugin.cc: Include "gold.h" before other header files.
6493 2009-10-10  Chris Demetriou  <cgd@google.com>
6495         * options.h (Input_file_argument::Input_file_type): New enum.
6496         (Input_file_argument::is_lib_): Replace with...
6497         (Input_file_argument::type_): New member.
6498         (Input_file_argument::Input_file_argument): Take Input_file_type
6499         'type' rather than boolean 'is_lib' as second argument.
6500         (Input_file_argument::is_lib): Use type_.
6501         (Input_file_argument::is_searched_file): New function.
6502         (Input_file_argument::may_need_search): Handle is_searched_file.
6503         * options.cc (General_options::parse_library): Support -l:filename.
6504         (General_options::parse_just_symbols): Update for Input_file_argument
6505         changes.
6506         (Command_line::process): Likewise.
6507         * archive.cc (Archive::get_file_and_offset): Likewise.
6508         * plugin.cc (Plugin_manager::release_input_file): Likewise.
6509         * script.cc (read_script_file, script_add_file): Likewise.
6510         * fileread.cc (Input_file::Input_file): Likewise.
6511         (Input_file::will_search_for): Handle is_searched_file.
6512         (Input_file::open): Likewise.
6513         * readsyms.cc (Read_symbols::get_name): Likewise.
6514         * testsuite/Makefile.am (searched_file_test): New test.
6515         * testsuite/Makefile.in: Regenerate.
6516         * testsuite/searched_file_test.cc: New file.
6517         * testsuite/searched_file_test_lib.cc: New file.
6519 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6520             Ian Lance Taylor  <iant@google.com>
6522         * descriptor.cc: Include <cstdio> and "binary-io.h".
6523         (Descriptors::open): Open the files in binary mode always.
6524         * script.cc (Lex::get_token): Treat \r as whitespace.
6526 2009-10-09  Ian Lance Taylor  <iant@google.com>
6528         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
6530 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6531             Ian Lance Taylor  <iant@google.com>
6533         * configure.ac: Check for readv function also.
6534         * fileread.cc (readv): Define if not HAVE_READV.
6535         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
6536         does not exist.
6537         * config.in: Regenerate.
6538         * configure: Regenerate.
6540 2009-10-09  Doug Kwan  <dougkwan@google.com>
6542         * layout.cc (Layout::make_output_section): Call target hook to make
6543         ordinary output section.
6544         (Layout::finalize): Adjust parameter list of call the
6545         Target::may_relax().
6546         * layout.h (class Layout::section_list): New method.
6547         * merge.h (Output_merge_base::entsize): Change visibility to public.
6548         (Output_merge_base::is_string, Output_merge_base::do_is_string):
6549         New methods.
6550         (Output_merge_string::do_is_string): New method.
6551         * object.cc (Sized_relobj::do_setup): renamed from
6552         Sized_relobj::set_up.
6553         * object.h (Sized_relobj::adjust_shndx,
6554         Sized_relobj::initializ_input_to_output_maps,
6555         Sized_relobj::free_input_to_output_maps): Change visibilities to
6556         protected.
6557         (Sized_relobj::setup): Virtualize.
6558         (Sized_relobj::do_setup): New method declaration.
6559         (Sized_relobj::invalidate_section_offset,
6560         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
6561         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
6562         * options.cc (parse_int): New function.
6563         * options.h (parse_int): New declaration.
6564         (DEFINE_int): New macro.
6565         (stub_group_size): New option.
6566         * output.cc (Output_section::Output_section): Initialize memebers
6567         merge_section_map_, merge_section_by_properties_map_,
6568         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
6569         (Output_section::add_input_section): Handled deferred code-fill
6570         generation and remove an old comment.
6571         (Output_section::add_relaxed_input_section): New method definition.
6572         (Output_section::add_merge_input_section): Use merge section by
6573         properties map to speed to search.  Update merge section maps
6574         as appropriate.
6575         (Output_section::build_relaxation_map): New method definition.
6576         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6577         Same.
6578         (Output_section::relax_input_section): Renamed to
6579         Output_section::convert_input_sections_to_relaxed_sections and change
6580         interface to take a vector of pointers to relaxed sections.
6581         (Output_section::find_merge_section,
6582         Output_section::find_relaxed_input_section): New method definitions.
6583         (Output_section::is_input_address_mapped,
6584         Output_section::output_offset, Output_section::output_address):
6585         Use output section data maps to speed up searching.
6586         (Output_section::find_starting_output_address): Add comments.
6587         (Output_section::do_write,
6588         Output_section::write_to_postprocessing_buffer): Do code-fill
6589         generation as appropriate.
6590         (Output_section::get_input_sections): Invalidate relaxed input section
6591         map.
6592         (Output_section::restore_states): Adjust type of checkpoint .
6593         Invalidate relaxed input section map.
6594         * output.h (Output_merge_base): New class declaration.
6595         (Input_section_specifier): New class defintion.
6596         (class Output_relaxed_input_section) Change base class to
6597         Output_section_data_build.
6598         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6599         base class initializer.
6600         (Output_section::add_relaxed_input_section): New method declaration.
6601         (Output_section::Input_section): Change visibility to protected.
6602         (Output_section::Input_section::relobj,
6603         Output_section::Input_section::shndx): Handle relaxed input sections.
6604         Output_section::input_sections) Change visibility to protected.  Also
6605         define overload to return a non-const pointer.
6606         (Output_section::Merge_section_properties): New class defintion.
6607         (Output_section::Merge_section_by_properties_map,
6608         Output_section::Output_section_data_by_input_section_map,
6609         Output_section::Relaxation_map): New types.
6610         (Output_section::relax_input_section): Rename method to
6611         Output_section::convert_input_sections_to_relaxed_sections and change
6612         interface to take a vector of relaxed section pointers.
6613         (Output_section::find_merge_section,
6614         Output_section::find_relaxed_input_section,
6615         Output_section::build_relaxation_map,
6616         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6617         New method declarations.
6618         (Output_section::merge_section_map_
6619         Output_section::merge_section_by_properties_map_,
6620         Output_section::relaxed_input_section_map_,
6621         Output_section::is_relaxed_input_section_map_valid_,
6622         Output_section::generate_code_fills_at_write_): New data members.
6623         * script-sections.cc
6624         (Output_section_element_input::set_section_addresses): Call
6625         current_data_size and addralign methods of relaxed input sections.
6626         (Orphan_output_section::set_section_addresses): Call current_data_size
6627         and addralign methods of relaxed input sections.
6628         * symtab.cc (Symbol_table::compute_final_value): Extract template
6629         from the body of Symbol_table::sized_finalize_symbol.
6630         (Symbol_table::sized_finalized_symbol): Call
6631         Symbol_table::compute_final_value.
6632         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6633         (Symbol_table::compute_final_value): New templated method declaration.
6634         * target.cc (Target::do_make_output_section): New method defintion.
6635         * target.h (Target::make_output_section): New method declaration.
6636         (Target::relax): Add more parameters for input objects, symbol table
6637         and layout.  Adjust call to do_relax.
6638         (Target::do_make_output_section): New method declaration.
6639         (Target::do_relax): Add parameters for input objects, symbol table
6640         and layout.
6642 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6644         * pread.c: Include stdio.h.
6646 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6648         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6649         defined.
6651 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6653         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6654         Change read_shndx type to unsigned int.
6655         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6656         int.
6657         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6658         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6659         Change read_shndx type to unsigned int.
6660         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6661         int.
6662         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6663         * layout.cc (Layout::create_symtab_sections): Cast the result of
6664         local_symcount * symsize to off_t in the gold_assert.
6666 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6668         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6669         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6670         R_ARM_BASE_ABS.
6671         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6672         (Arm_relocate_functions::thm_abs5): New function.
6673         (Arm_relocate_functions::abs12): New function.
6674         (Arm_relocate_functions::abs16): New function.
6675         (Arm_relocate_functions::base_abs): New function.
6676         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6677         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6678         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6679         R_ARM_BASE_ABS.
6680         (Scan::global): Likewise.
6681         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6682         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6683         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6684         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6685         R_ARM_BASE_ABS.
6687 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6689         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6690         (Arm_relocate_functions::movt_prel): New function.
6691         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6692         (Arm_relocate_functions::thm_movt_prel): New function.
6693         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6694         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6695         (Scan::global, Relocate::relocate): Likewise.
6696         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6698 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6700         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6701         Incremental_checker.
6702         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6703         unsigned int.
6704         (class Incremental_inputs_header): New class.
6705         (Incremental_inputs_header_writer): Edit comment.
6706         (Incremental_inputs_entry): New class.
6707         (Incremental_inputs_entry_writer): Edit comment.
6708         (Sized_incremental_binary::do_find_incremental_inputs_section):
6709         Add *strtab_shndx parameter, fill it.
6710         (Sized_incremental_binary::do_check_inputs): New method.
6711         (Incremental_checker::can_incrementally_link_output_file): Use
6712         Sized_incremental_binary::check_inputs.
6713         (Incremental_inputs::report_command_line): Save command line in
6714         command_line_.
6715         * incremental.h:
6716         (Incremental_binary::find_incremental_inputs_section): New
6717         method.
6718         (Incremental_binary::do_find_incremental_inputs_section): Add
6719         strtab_shndx parameter.
6720         (Incremental_binary::do_check_inputs): New pure virtual method.
6721         (Sized_incremental_binary::do_check_inputs): Declare.
6722         (Incremental_checker::Incremental_checker): Add incremental_inputs
6723         parameter, use it to initialize incremental_inputs_.
6724         (Incremental_checker::incremental_inputs_): New field.
6725         (Incremental_checker::command_line): New method.
6726         (Incremental_checker::inputs): New method.
6727         (Incremental_checker::command_line_): New field.
6729 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6731         * incremental.cc: Include <cstdarg> and "target-select.h".
6732         (vexplain_no_incremental): New function.
6733         (explain_no_incremental): New function.
6734         (Incremental_binary::error): New method.
6735         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6736         method.
6737         (make_sized_incremental_binary): New function.
6738         (open_incremental_binary): New function.
6739         (can_incrementally_link_file): Add checks if output is ELF and has
6740         inputs section.
6741         * incremental.h: Include "elfcpp_file.h" and "output.h".
6742         (Incremental_binary): New class.
6743         (Sized_incremental_binary): New class.
6744         (open_incremental_binary): Declare.
6745         * object.cc (is_elf_object): Use
6746         elfcpp::Elf_recognizer::is_elf_file.
6747         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6748         * output.h (Output_file::filesize): New method.
6750 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6752         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6753         New function.
6754         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6755         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6756         function.
6757         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6758         function.
6759         (Arm_relocate_functions::movw_abs_nc): New function.
6760         (Arm_relocate_functions::movt_abs): New function.
6761         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6762         (Arm_relocate_functions::thm_movt_abs): New function.
6763         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6764         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6765         (Scan::global): Likewise.
6766         (Relocate::relocate): Likewise.
6767         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6769 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6771         * arm.cc (Arm_relocate_functions::got_prel) New function.
6772         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6773         (Relocate::relocate): Likewise.
6774         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6776 2009-10-06  Ian Lance Taylor  <iant@google.com>
6778         * options.h (class General_options): Define
6779         split_stack_adjust_size parameter.
6780         * object.h (class Object): Add uses_split_stack_ and
6781         has_no_split_stack_ fields.  Add uses_split_stack and
6782         has_no_split_stack accessor functions.  Declare
6783         handle_split_stack_section.
6784         (class Reloc_symbol_changes): Define.
6785         (class Sized_relobj): Define Function_offsets.  Declare
6786         split_stack_adjust, split_stack_adjust_reltype, and
6787         find_functions.
6788         * object.cc (Object::handle_split_stack_section): New function.
6789         (Sized_relobj::do_layout): Call handle_split_stack_section.
6790         * dynobj.cc (Sized_dynobj::do_layout): Call
6791         handle_split_stack_section.
6792         * reloc.cc (Sized_relobj::relocate_sections): Call
6793         split_stack_adjust for executable sections in split_stack
6794         objects.  Pass reloc_map to relocate_section.
6795         (Sized_relobj::split_stack_adjust): New function.
6796         (Sized_relobj::split_stack_adjust_reltype): New function.
6797         (Sized_relobj::find_functions): New function.
6798         * target-reloc.h: Include "object.h".
6799         (relocate_section): Add reloc_symbol_changes parameter.  Change
6800         all callers.
6801         * target.h (class Target): Add calls_non_split method.  Declare
6802         do_calls_non_split virtual method.  Declare match_view and
6803         set_view_to_nop.
6804         * target.cc: Include "elfcpp.h".
6805         (Target::do_calls_non_split): New function.
6806         (Target::match_view): New function.
6807         (Target::set_view_to_nop): New function.
6808         * gold.cc (queue_middle_tasks): Give an error if mixing
6809         split-stack and non-split-stack objects with -r.
6810         * i386.cc (Target_i386::relocate_section): Add
6811         reloc_symbol_changes parameter.
6812         (Target_i386::do_calls_non_split): New function.
6813         * x86_64.cc (Target_x86_64::relocate_section): Add
6814         reloc_symbol_changes parameter.
6815         (Target_x86_64::do_calls_non_split): New function.
6816         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6817         parameter.
6818         * powerpc.cc (Target_powerpc::relocate_section): Add
6819         reloc_symbol_changes parameter.
6820         * sparc.cc (Target_sparc::relocate_section): Add
6821         reloc_symbol_changes parameter.
6822         * configure.ac: Call AM_CONDITIONAL for the default target.
6823         * configure: Rebuild.
6824         * testsuite/Makefile.am (TEST_AS): New variable.
6825         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6826         (check_DATA): Add split_i386 and split_x86_64 files.
6827         (SPLIT_DEFSYMS): Define.
6828         (split_i386_[1234n].o): New targets.
6829         (split_i386_[124]): New targets.
6830         (split_i386_[1234r].stdout): New targets.
6831         (split_x86_64_[1234n].o): New targets.
6832         (split_x86_64_[124]): New targets.
6833         (split_x86_64_[1234r].stdout): New targets.
6834         (MOSTLYCLEANFILES): Add new executables.
6835         * testsuite/split_i386.sh: New file.
6836         * testsuite/split_x86_64.sh: New file.
6837         * testsuite/split_i386_1.s: New file.
6838         * testsuite/split_i386_2.s: New file.
6839         * testsuite/split_i386_3.s: New file.
6840         * testsuite/split_i386_4.s: New file.
6841         * testsuite/split_i386_n.s: New file.
6842         * testsuite/split_x86_64_1.s: New file.
6843         * testsuite/split_x86_64_2.s: New file.
6844         * testsuite/split_x86_64_3.s: New file.
6845         * testsuite/split_x86_64_4.s: New file.
6846         * testsuite/split_x86_64_n.s: New file.
6847         * testsuite/testfile.cc (Target_test): Update relocation_section
6848         function.
6849         * testsuite/Makefile.in: Rebuild.
6851 2009-10-06  Ian Lance Taylor  <iant@google.com>
6853         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6854         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6855         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6856         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6857         the address on ldo_addrs_.
6858         (Target_i386::Relocate::fix_up_ldo): New function.
6860 2009-10-06   Rafael Espindola  <espindola@google.com>
6862         * plugin.cc (add_input_library): New.
6863         (Plugin::load): Add add_input_library to tv.
6864         (Plugin_manager::add_input_file): Add the is_lib argument.
6865         (add_input_file): Update call to Plugin_manager::add_input_file.
6866         (add_input_library): New.
6867         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6869 2009-09-30  Doug Kwan  <dougkwan@google.com>
6871         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6872         symbol and call Symbol::may_need_copy_reloc to determine if
6873         a copy reloc is needed.
6874         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6875         nocopyreloc is given in command line.
6876         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6877         given in command line.
6878         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6879         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6880         of the removed Target_i386::may_need_copy_reloc.
6881         * options.h (copyreloc): New option with default value false.
6882         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6883         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6884         instead of the removed Target_powerpc::may_need_copy_reloc.
6885         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6886         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6887         instead of the removed Target_sparc::may_need_copy_reloc.
6888         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6889         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6890         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6891         instead of the removed Target_x86_64::may_need_copy_reloc.
6893 2009-09-30  Ian Lance Taylor  <iant@google.com>
6895         * object.h (class Object): Remove target_ field, and target,
6896         sized_target, and set_target methods.
6897         (Object::sized_target): Remove.
6898         (class Sized_relobj): Update declarations.  Remove sized_target.
6899         * object.cc (Sized_relobj::setup): Remove target parameter.
6900         Change all callers.
6901         (Input_objects::add_object): Don't do anything with the target.
6902         (make_elf_sized_object): Add punconfigured parameter.  Change all
6903         callers.  Set or test parameter target.
6904         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6905         Change all callers.
6906         * parameters.cc (Parameters::set_target): Change parameter type to
6907         be non-const.
6908         (Parameters::default_target): Remove.
6909         (set_parameters_target): Change parameter type to be non-const.
6910         (parameters_force_valid_target): New function.
6911         (parameters_clear_target): New function.
6912         * parameters.h (class Parameters): Update declarations.  Remove
6913         default_target method.  Add sized_target and clear_target
6914         methods.  Change target_ to be non-const.
6915         (set_parameters_target): Update declaration.
6916         (parameters_force_valid_target): Declare.
6917         (parameters_clear_target): Declare.
6918         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
6919         as NULL if we aren't searching.
6920         (Add_symbols::run): Don't check for compatible target.
6921         * fileread.cc (Input_file::open_binary): Call
6922         parameters_force_valid_target.
6923         * gold.cc (queue_middle_tasks): Likewise.
6924         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
6925         set_target on object.
6926         * dynobj.h (class Sized_dynobj): Update declarations.
6927         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
6928         make_elf_object returns NULL.
6929         (Archive::include_member): Don't check whether object target is
6930         compatible.
6931         * output.cc (Output_section::add_input_section): Get target from
6932         parameters.
6933         (Output_section::relax_input_section): Likewise.
6934         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
6935         parameters.
6936         (Sized_relobj::do_scan_relocs): Likewise.
6937         (Sized_relobj::relocate_sections): Likewise.
6938         * resolve.cc (Symbol_table::resolve): Likewise.
6939         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
6940         parameter.  Change all callers.
6941         (Symbol_table::add_from_object): Get target from parameters.
6942         (Symbol_table::add_from_relobj): Don't check object target.
6943         (Symbol_table::add_from_dynobj): Likewise.
6944         (Symbol_table::define_special_symbol): Get target from
6945         parameters.
6946         * symtab.h (class Symbol_table): Update declaration.
6947         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
6948         parameter.  Change all callers.  Clear parameter target.
6949         (Binary_test): Test target here.
6950         * testsuite/object_unittest.cc (gold_testsuite): Remove
6951         target_test_pointer parameter.  Change all callers.
6952         (Object_test): Test target here.
6954 2009-09-26  Ian Lance Taylor  <iant@google.com>
6956         * testsuite/initpri1.c: Don't try to use constructor priorities if
6957         compiling with gcc before 4.3.
6959 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
6961         * testsuite/retain_symbols_file_test.sh (check_present): Change
6962         output file name to retain_symbols_file_test.stdout.
6963         (check_absent): Likewise.
6965 2009-09-18  Craig Silverstein  <csilvers@google.com>
6967         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
6968         * options.cc: Include <cerrno> and <fstream>.
6969         (General_options::finalize): Parse -retain-symbols-file tag.
6970         * options.h: New flag.
6971         (General_options): New method should_retain_symbol, new
6972         variable symbols_to_retain.
6973         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
6974         should_retain_symbol map.
6975         * testsuite/Makefile.am (retain_symbols_file_test): New test.
6976         * testsuite/Makefile.in: Regenerate.
6977         * testsuite/retain_symbols_file_test.sh: New file.
6979 2009-09-18  Nick Clifton  <nickc@redhat.com>
6981         * po/es.po: Updated Spanish translation.
6983 2009-09-17  Doug Kwan  <dougkwan@google.com>
6985         * debug.h (DEBUG_RELAXATION): New constant.
6986         (DEBUG_ALL): Add DEBUG_RELAXATION.
6987         (debug_string_to_enum): Add relaxation debug option.
6988         * layout.cc
6989         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
6990         Layout::Relaxation_debug_check::read_sections,
6991         Layout::Relaxation_debug_check::read_sections): New method definitions.
6992         (Layout::Layout): Initialize data members
6993         record_output_section_data_from_scrips_,
6994         script_output_section_data_list_ and relaxation_debug_check_.
6995         (Layout::save_segments, Layout::restore_segments,
6996         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6997         Layout::relaxation_loop_body): New method definitions.
6998         (Layout::finalize): Support relaxation.  Move section layout code to
6999         Layout::relaxation_loop_body.
7000         (Layout::set_asection_address_from_script): Move code for orphan
7001         section placement out.
7002         (Layout::place_orphan_sections_in_script): New method definition.
7003         * layout.h (Output_segment_headers, Output_file_header):
7004         New forward class declarations.
7005         (Layout::~Layout): Define.
7006         (Layout::new_output_section_data_from_script): New method definition.
7007         (Layout::place_orphan_sections_in_script): New method declaration.
7008         (Layout::Segment_states): New type declaration.
7009         (Layout::save_segments, Layout::restore_segments,
7010         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7011         Layout::relaxation_loop_body): New method declarations.
7012         (Layout::Output_section_data_list): New type declaration.
7013         (Layout::Relaxation_debug_check): New class definition.
7014         (Layout::record_output_section_data_from_script_,
7015         Layout::script_output_section_data_list_, Layout::segment_states_,
7016         Layout::relaxation_debug_check_): New data members.
7017         * output.cc: (Output_section_headers::do_size): New method definition.
7018         (Output_section_headers::Output_section_headers): Move size
7019         computation to Output_section_headers::do_size.
7020         (Output_segment_headers::do_size): New method definition.
7021         (Output_file_header::Output_file_header): Move size computation to
7022         Output_file_header::do_size and call it.
7023         (Output_file_header::do_size): New method definition.
7024         (Output_data_group::Output_data_group): Adjust call to
7025         Output_section_data.
7026         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7027         (Output_symtab_xindex::do_write): Add array bound check.
7028         (Output_section::Input_section::print_to_mapfile): Handle
7029         RELAXED_INPUT_SECTION_CODE.
7030         (Output_section::Output_section): Initialize data member checkpoint_.
7031         (Output_section::~Output_section): Delete checkpoint object pointed
7032         by checkpoint_.
7033         (Output_section::add_input_section): Always add an Input_section if
7034         relaxing.
7035         (Output_section::add_merge_input_section): Add assert.
7036         (Output_section::relax_input_section): New method definition.
7037         (Output_section::set_final_data_size): Set load address to zero for
7038         an unallocated section.
7039         (Output_section::do_address_and_file_offset_have_reset_values):
7040         New method definition.
7041         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7042         Handle relaxed input section.
7043         (Output_section::sort_attached_input_sections): Checkpoint input
7044         section list lazily.
7045         (Output_section::get_input_sections): Change type of input_sections to
7046         list of Simple_input_section pointers.  Checkpoint input section list
7047         lazily.  Also handle relaxed input sections.
7048         (Output_section::add_input_section_for_script): Take a reference to
7049         a Simple_input_section object instead of Relobj pointer and section
7050         index as parameter.  Handle relaxed input sections.
7051         (Output_section::save_states, Output_section::restore_states): New
7052         method definitions.
7053         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7054         (Output_data::is_data_size_fixed): New method definition.
7055         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7056         if it is fixed.
7057         (Output_data::address_and_file_offset_have_reset_values): New method
7058         definition.
7059         (Output_data::do_address_and_file_offset_have_reset_values): New method
7060         definition.
7061         (Output_data::set_data_size): Check that data size is not fixed.
7062         (Output_data::fix_data_size): New method definition.
7063         (Output_data::is_data_size_fixed_): New data member.
7064         (Output_section_headers::set_final_data_size): New method definition.
7065         (Output_section_headers::do_size): New method declaration.
7066         (Output_segment_headers::set_final_data_size): New method definition.
7067         (Output_segment_headers::do_size): New method declaration.
7068         (Output_file_header::set_final_data_size)::New method definition.
7069         (Output_file_header::do_size)::New method declaration.
7070         (Output_section_data::Output_section_data): Add new parameter
7071         is_data_size_fixed and use it to fix data size.
7072         (Output_data_const::Output_data_const): Adjust call to base class
7073         constructor and fix data size.
7074         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7075         base class constructor and fix data size.
7076         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7077         base class constructor and fix data size.
7078         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7079         class constructor and fix data size.
7080         (Output_data_group::set_final_data_size): New method definition.
7081         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7082         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7083         class constructor and fix data size.
7084         (Output_relaxed_input_section): New class definition.
7085         (Output_section::Simple_input_section): New class definition.
7086         (Output_section::get_input_sections): Adjust parameter list.
7087         (Output_section::add_input_section_for_script): Same.
7088         (Output_section::save_states, Output_section::restore_states,
7089         Output_section::do_address_and_file_offset_have_reset_values,
7090         (Output_section::Input_section::Input_section): Handle
7091         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7092         Output_relaxed_input_section.
7093         (Output_section::Input_section::is_input_section,
7094         Output_section::Input_section::set_output_section): Handle relaxed
7095         input section.
7096         (Output_section::Input_section::is_relaxed_input_section,
7097         Output_section::Input_section::output_section_data,
7098         Output_section::Input_section::relaxed_input_section): New method
7099         definitions.
7100         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7101         value.
7102         (Output_section::Input_section::u1_): Update comments.
7103         (Output_section::Input_section::u2_): Add new union member poris.
7104         (Output_section::Checkpoint_output_section): New classs definition.
7105         (Output_section::relax_input_section): New method declaration.
7106         (Output_section::checkpoint_): New data member.
7107         (Output_segment): Update comments.
7108         (Output_segment::Output_segment): Un-privatize copy constructor.
7109         (Output_segment::operator=): Un-privatize.
7110         * script-sections.cc (Output_section_element::Input_section_list):
7111         Change element type to Output_section::Simple_input_section.
7112         (Output_section_element_dot_assignment::set_section_addresses):
7113         Register output section data for relaxation clean up.
7114         (Output_data_exression::Output_data_expression): Adjust call to base
7115         constructor to fix data size.
7116         (Output_section_element_data::set_section_addresses): Register
7117         Output_data_expression object for relaxation clean up.
7118         (struct Input_section_info): Replace Relobj pointer and section index
7119         pair with Output_section::Simple_input_section and Convert struct to a
7120         class.
7121         (Input_section_sorter::operator()): Adjust access to
7122         Input_section_info data member to use accessors.
7123         (Output_section_element_input::set_section_addresses): Use layout
7124         parameter.  Adjust code to use Output_section::Simple_input_section
7125         and Input_secction_info classes.  Register filler for relaxation
7126         clean up.
7127         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7128         and section index pair with Output_section::Simple_input_section
7129         class.  Adjust code accordingly.
7130         (Phdrs_element::release_segment): New method definition.
7131         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7132         segment list.
7133         (Script_sections::release_segments): New method definition.
7134         * gold/script-sections.h (Script_sections::release_segments): New
7135         method declaration.
7136         * gold/target.h (Target::may_relax, Target::relax,
7137         Target::do_may_relax, Target::do_relax): New method definitions.
7139 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7141         * arm.cc (has_signed_unsigned_overflow): New function.
7142         (Arm_relocate_functions::abs8): New function.
7143         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7144         (Target_arm::Scan::global): Likewise.
7145         (Target_arm::relocate::relocate): Likewise.
7146         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7147         Likewise.
7149 2009-09-16  Cary Coutant  <ccoutant@google.com>
7151         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7152         * testsuite/Makefile.in: Regenerate.
7154 2009-09-11  Nick Clifton  <nickc@redhat.com>
7156         * po/gold.pot: Updated by the Translation project.
7158 2009-09-08  Cary Coutant  <ccoutant@google.com>
7160         * output.cc (Output_file::open): Add execute permission to empty file.
7161         * testsuite/Makefile.am (permission_test): New test.
7162         * testsuite/Makefile.in: Regenerate.
7164 2009-09-02  Ian Lance Taylor  <iant@google.com>
7166         * output.cc (Output_file::resize): Call map_no_anonymous rather
7167         than map.
7169 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7171         * gold.cc: Include "incremental.h".
7172         (queue_initial_tasks): Call Incremental_checker methods.
7173         * incremental.cc: Include "output.h".
7174         (Incremental_checker::can_incrementally_link_output_file): New
7175         method.
7176         * incremental.h (Incremental_checker): New class.
7178         * output.cc (Output_file::open_for_modification): New method.
7179         (Output_file::map_anonymous): Changed return type to bool.  Record
7180         map in base_ field.
7181         (Output_file::map_no_anonymous): New method, broken out of map.
7182         (Output_file::map): Use map_no_anonymous and map_anonymous.
7183         * output.h (class Output_file): Update declarations.
7185 2009-08-24  Cary Coutant  <ccoutant@google.com>
7187         * options.h (Command_line::Pre_options): New class.
7188         (Command_line::pre_options): New member.
7189         * options.cc (gold::options::ready_to_register): New variable.
7190         (One_option::register_option): Do nothing if not registering options.
7191         Assert if same short option registered twice.
7192         (General_options::General_options): Turn off option registration when
7193         done constructing.
7194         (Command_line::Pre_options::Pre_options): New constructor.
7196 2009-08-24  Cary Coutant  <ccoutant@google.com>
7198         * options.h (General_options::no_keep_memory): Remove incorrect
7199         short option.
7201 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7203         * Makefile.am (am__skiplex, am__skipyacc): New.
7204         * Makefile.in: Regenerate.
7206 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7208         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7209         (INCLUDES): ... this.
7210         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7211         (AM_CPPFLAGS): Renamed from ...
7212         (INCLUDE): ... this.
7213         * Makefile.in, testsuite/Makefile.in: Regenerate.
7215         * Makefile.in: Regenerate.
7216         * aclocal.m4: Likewise.
7217         * config.in: Likewise.
7218         * configure: Likewise.
7219         * testsuite/Makefile.in: Likewise.
7221         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7222         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7223         * Makefile.in: Regenerate.
7224         * testsuite/Makefile.in: Regenerate.
7226 2009-08-19  Cary Coutant  <ccoutant@google.com>
7228         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7229         symbols in shared libraries overridden by hidden or internal symbols
7230         in the main program.
7232 2009-08-19  Chris Demetriou  <cgd@google.com>
7234         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7235         checking source file names in error messages.
7237 2009-08-18  Doug Kwan  <dougkwan@google.com>
7239         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7240         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7241         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7242         an elfcpp::Ehdr as parameter.
7243         * object.cc (Object::set_target): Remove the version that looks up
7244         a target and sets it.
7245         (Sized_relobj::setup): Take a Target object instead of
7246         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7247         (make_elf_sized_object): Find target and ask target to
7248         make an ELF object.
7249         * object.h: (Object::set_target): Remove the version that looks up
7250         a target and sets it.
7251         (Sized_relobj::setup): Take a Target object instead of
7252         an elfcpp:Ehdr as parameter.
7253         * target.cc: Include dynobj.h.
7254         (Target::do_make_elf_object_implementation): New.
7255         (Target::do_make_elf_object): New.
7256         * target.h (Target::make_elf_object): New template declaration.
7257         (Target::do_make_elf_object): New method declarations.
7258         (Target::do_make_elf_object_implementation): New template declaration.
7260 2009-08-14  Ian Lance Taylor  <iant@google.com>
7262         * gold.h (FUNCTION_NAME): Define.
7263         (gold_unreachable): Use FUNCTION_NAME.
7265 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7267         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7268         symbol in the --keep-unique list is not found.
7270 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7272         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7273         been maked as --keep-unique.
7274         (Icf::unfold_section): New function.
7275         * icf.h (Icf::unfold_section): New function.
7276         * options.h (General_options::keep_unique): New option.
7277         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7278         * testsuite/Makefile.in: Regenerate.
7279         * testsuite/icf_keep_unique_test.sh: New file.
7280         * testsuite/icf_keep_unique_test.cc: New file.
7282 2009-08-12  Cary Coutant  <ccoutant@google.com>
7284         PR 10471
7285         * resolve.cc (Symbol_table::resolve): Check for references from
7286         dynamic objects to hidden and internal symbols.
7287         * testsuite/Makefile.am (hidden_test.sh): New test.
7288         * testsuite/Makefile.in: Regenerate.
7289         * testsuite/hidden_test.sh: New script.
7290         * testsuite/hidden_test_1.c: New test source.
7291         * testsuite/hidden_test_main.c: New test source.
7293 2009-08-11  Doug Kwan  <dougkwan@google.com>
7295         * arm.cc: Update comments.
7296         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7297         segment to locate the .ARM.exidx section if present.
7299 2009-08-09  Doug Kwan  <dougkwan@google.com>
7301         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7302         patch.
7304 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7305         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7306         compiler warnings.
7308 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7310         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7311         valid tls_segment only for non-debug-section relocations.
7312         * testsuite/Makefile.am: Add gc_tls_test.
7313         * testsuite/Makefile.in: Regenerate.
7314         * testsuite/gc_tls_test.cc: New file.
7315         * testsuite/gc_tls_test.sh: New file.
7317 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7319         * icf.cc: New file.
7320         * icf.h: New file.
7321         * Makefile.am (CCFILES): Add icf.cc.
7322         (HFILES): Add icf.h
7323         * Makefile.in: Regenerate.
7324         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7325         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7326         section, symbol and addend information for the relocs.
7327         * gold.cc (queue_middle_tasks): Call identical code folding.
7328         * gold.h: Add defines for multimap.
7329         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7330         to the call of finalize_local_symbols.
7331         * main.cc (main): Create object of class Icf.
7332         * object.cc (Sized_relobj::do_layout): Allow this function to be
7333         called twice during icf.
7334         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7335         to sections marked as identical by icf.
7336         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7337         when available.
7338         (Sized_relobj::do_section_entsize): New function.
7339         * object.h (Object::section_entsize): New function.
7340         (Object::do_section_entsize): New pure virtual function.
7341         (Relobj::finalize_local_symbols): Add new parameter.
7342         (Relobj::do_section_entsize): New function.
7343         * options.h (General_options::icf): New option.
7344         (General_options::icf_iterations): New option.
7345         (General_options::print_icf_sections): New option.
7346         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7347         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7348         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7349         icf.
7350         * symtab.cc (Symbol_table::is_section_folded): New function.
7351         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7352         to sections marked as identical by icf.
7353         * symtab.h (Symbol_table::set_icf): New function.
7354         (Symbol_table::icf): New function.
7355         (Symbol_table::is_section_folded): New function.
7356         (Symbol_table::icf_): New data member.
7357         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7358         * testsuite/Makefile.am: Add commands to build icf_test.
7359         * testsuite/Makefile.in: Regenerate.
7360         * testsuite/icf_test.sh: New file.
7361         * testsuite/icf_test.cc: New file.
7363 2009-07-24  Chris Demetriou  <cgd@google.com>
7365         * layout.cc (is_compressible_debug_section): Fix incorrect
7366         comment about compressed section names.
7368 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7370         PR 10419
7371         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7373 2009-07-16  Ian Lance Taylor  <iant@google.com>
7375         PR 10400
7376         * layout.h: #include <map>.
7377         (class Kept_section): Change from struct to class.  Add accessors
7378         and setters.  Add section size to Comdat_group mapping.  Change
7379         Comdat_group to std::map.  Add is_comdat_ field.  Add
7380         linkonce_size field in union.
7381         (class Layout): Update declaration of find_or_add_kept_section.
7382         Don't declare find_kept_object.
7383         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7384         parameter.  Add object, shndx, is_comdat, and is_group_name
7385         parameters.  Change all callers.  Adjust for new Kept_section.
7386         (Layout::find_kept_object): Remove.
7387         * object.cc (Sized_relobj::include_section_group): Update use of
7388         Kept_section.  Rename secnum to shndx.  Only record
7389         Kept_comdat_section if sections are the same size.
7390         (Sized_relobj::include_linkonce_section): Update use of
7391         Kept_section.  Only record Kept_comdat_section if sections are the
7392         same size.  Set size of linkonce section.
7393         (Sized_relobj::map_to_kept_section): Update call to
7394         get_kept_comdat_section.
7395         * object.h (class Sized_relobj): Rename fields in
7396         Kept_comdat_section to drop trailing underscores; change object
7397         field to Relobj*.  Change Kept_comdat_section_table to store
7398         struct rather than pointer.
7399         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7400         Add kept_object and kept_shndx parameters.  Change all callers.
7401         (Sized_relobj::get_kept_comdat_section): Change return type to
7402         bool.  Add kept_object and kept_shndx parameters.  Change all
7403         callers.
7404         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7405         Layout::find_or_add_kept_section.
7407 2009-07-09  Ian Lance Taylor  <iant@google.com>
7409         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7410         Reserve space in the hash table.
7412 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7414         * fileread.cc (File_read::get_mtime): New method.
7415         * fileread.h (Timespec): New structure.
7416         (File_read::get_mtime): New method.
7417         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7418         Renamed from timestamp_nsec.
7419         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7420         Elf_Xword.
7421         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7422         timestamp_nsec.
7423         (Incremental_inputs::report_archive): Save mtime; style fix.
7424         (Incremental_inputs::report_obejct): Save mtime; style fix.
7425         (Incremental_inputs::report_script): Save mtime; style fix.
7426         (Incremental_inputs::finalize_inputs): Style fix.
7427         (Incremental_inputs::finalize): Style fix.
7428         (Incremental_inputs::create_input_section_data): Store inputs
7429         mtime.
7430         * incremental.h (Incremental_inputs::report_script): Add mtime
7431         argument.
7432         (Incremental_inputs::Input_info::Input_info): Intialize only one
7433         union member.
7434         (Incremental_inputs::Input_info::archive): Move to nameless
7435         union.
7436         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7437         (Incremental_inputs::Input_info::script): Move to nameless union.
7438         (Incremental_inputs::mtime): New field.
7439         * script.cc (read_input_script): Pass file mtime to
7440         Incremental_input.
7441         * script.h (Script_info::inputs): Style fix.
7443 2009-07-01  Ian Lance Taylor  <ian@airs.com>
7445         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
7446         instead of 32.
7448 2009-06-24  Ian Lance Taylor  <iant@google.com>
7450         PR 10156
7451         * layout.cc (Layout::choose_output_section): If we find an
7452         existing section, update the flags.
7453         (Layout::create_notes): New function, broken out of
7454         Layout::finalize.
7455         (Layout::finalize): Don't create note sections.
7456         (Layout::create_note): Don't crash if linker script discards
7457         section.
7458         (Layout::create_gold_note): Likewise.
7459         (Layout::create_build_id): Likewise.  Don't set
7460         after_input_sections on the section.
7461         (Layout::create_executable_stack_info): Remove target parameter.
7462         Change caller.
7463         * layout.h (class Layout): Declare create_notes.  Update
7464         declaration of create_executable_stack_info.
7465         * gold.cc (queue_middle_tasks): Call create_notes.
7466         * output.cc (Output_section::update_flags_for_input_section): Move
7467         here from output.h.  If SHF_ALLOC flag is newly set, mark address
7468         invalid.
7469         * output.h (Output_data::mark_address_invalid): New function.
7470         (class Output_section): Only declare, not define,
7471         update_flags_for_input_section.  Remove set_flags.
7473 2009-06-24  Ian Lance Taylor  <iant@google.com>
7475         * script-sections.cc (Output_section_definition::
7476         set_section_addresses): Rename shadowing local load_address to
7477         laddr.
7479 2009-06-24  Ian Lance Taylor  <iant@google.com>
7481         PR 10244
7482         * reloc.cc (relocate_sections): Skip empty relocation sections.
7484 2009-06-23  Ian Lance Taylor  <iant@google.com>
7486         PR 10156
7487         * layout.cc (Layout::create_note): Use choose_output_section
7488         rather than make_output_section.
7490 2009-06-23  Ian Lance Taylor  <iant@google.com>
7492         PR 10237
7493         * options.cc (General_options::parse_V): Set printed_version_.
7494         (General_options::General_options): Initialize printed_version_.
7495         * options.h (class General_options): Add printed_version_ field.
7496         * gold.cc (queue_initial_tasks): If there are no input files,
7497         don't give a fatal error if we printed the version information.
7498         (queue_middle_tasks): If using -r with a shared object, give a
7499         fatal error rather than an ordinary error.
7501 2009-06-23  Ian Lance Taylor  <iant@google.com>
7503         PR 10219
7504         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
7505         (Layout::make_output_section): Set have_stabstr_section_ if we see
7506         a .stab*str section.
7507         (Layout::finalize): Call link_stabs_sections.
7508         (Layout::link_stabs_sections): New file.
7509         * layout.h (class Layout): Add have_stabstr_section_ field.
7510         Declare link_stabs_sections.
7512 2009-06-23  Doug Kwan  <dougkwan@google.com>
7514         * Makefile.am (libgold_a_LIBADD): New.
7515         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
7516         * Makefile.in: Regenerate.
7517         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
7518         * configure: Regenerate.
7519         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
7520         * fileread.cc: Include sys/state.h
7521         * gold.h: Declare memmem and strndup if found missing.
7522         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
7524 2009-06-23  Ian Lance Taylor  <iant@google.com>
7526         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
7527         * configure: Rebuild.
7529 2009-06-23  Ian Lance Taylor  <iant@google.com>
7531         PR 10147
7532         * object.cc (Object::section_contents): Don't try to get a view if
7533         the section has length zero.
7534         (Object::handle_gnu_warning_section): If the section is empty, use
7535         the name of the section as the warning.
7537 2009-06-23  Ian Lance Taylor  <iant@google.com>
7539         PR 10133
7540         * stringpool.h (class Stringpool_template): Add optimize_ field.
7541         (Stringpool_template::set_optimize): New function.
7542         * stringpool.cc (Stringpool_template::Stringpool_template):
7543         Initialize optimize_ field.
7544         (Stringpool_template::set_string_offsets): Test local optimize
7545         fild rather than parameter.
7546         * layout.cc (Layout::Layout): Call set_optimize on the section
7547         name stringpool.
7549 2009-06-22  Ian Lance Taylor  <iant@google.com>
7551         PR 10030
7552         * yyscript.y: Parse TARGET.
7553         * script.cc (script_set_target): New function.
7554         * script-c.h (script_set_target): Declare.
7555         * options.cc (General_options::string_to_object_format): Rename
7556         from string_to_object_format in anonymous namespace.  Change
7557         callers.
7558         * options.h (class General_options): Declare
7559         string_to_object_format.
7561 2009-06-22  Ian Lance Taylor  <iant@google.com>
7563         * script-sections.cc (Script_sections::create_segments): Don't put
7564         program headers in a PT_LOAD segment if -n or -N.
7566 2009-06-22  Ian Lance Taylor  <iant@google.com>
7568         PR 10141
7569         * options.h (class General_options): Add -z lazy and -z now.  Sort
7570         -z options into alphabetical order.
7571         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
7573 2009-06-21  Ian Lance Taylor  <iant@google.com>
7575         * layout.cc (Layout::make_output_section): Call
7576         Target::new_output_section.
7577         (Layout::attach_allocated_section_to_segment): Put large section
7578         sections in a separate load segment with the large segment flag
7579         set.
7580         (Layout::segment_precedes): Sort large data segments after other
7581         load segments.
7582         (align_file_offset): New static function.
7583         (Layout::set_segment_offsets): Use align_file_offset.
7584         * output.h (class Output_section): Add is_small_section_ and
7585         is_large_section_ fields.
7586         (Output_section::is_small_section): New function.
7587         (Output_section::set_is_small_section):  New function.
7588         (Output_section::is_large_section): New function.
7589         (Output_section::set_is_large_section): New function.
7590         (Output_section::is_large_data_section): New function.
7591         (class Output_segment): Add is_large_data_segment_ field.
7592         (Output_segment::is_large_data_segment): New function.
7593         (Output_segment::set_is_large_data_segment): New function.
7594         * output.cc (Output_section::Output_section): Initialize new
7595         fields.
7596         (Output_segment::Output_segment): Likewise.
7597         (Output_segment::add_output_section): Add assertion that large
7598         data sections always go in large data segments.  Force small data
7599         sections to the end of the list of data sections.  Force small BSS
7600         sections to the start of the list of BSS sections.  For large BSS
7601         sections to the end of the list of BSS sections.
7602         * symtab.h (class Symbol): Declare is_common_shndx.
7603         (Symbol::is_defined): Check Symbol::is_common_shndx.
7604         (Symbol::is_common): Likewise.
7605         (class Symbol_table): Define enum Commons_section_type.  Update
7606         declarations.  Add small_commons_ and large_commons_ fields.
7607         * symtab.cc (Symbol::is_common_shndx): New function.
7608         (Symbol_table::Symbol_table): Initialize new fields.
7609         (Symbol_table::add_from_object): Put small and large common
7610         symbols in the right list.
7611         (Symbol_table::sized_finalized_symbol): Check
7612         Symbol::is_common_shndx.
7613         (Symbol_table::sized_write_globals): Likewise.
7614         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7615         common symbol lists.  Don't call do_allocate_commons_list if the
7616         list is empty.
7617         (Symbol_table::do_allocate_commons_list): Remove is_tls
7618         parameter.  Add comons_section_type parameter.  Change all
7619         callers.  Handle small and large common symbols.
7620         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7621         Symbol::is_common_shndx.
7622         * resolve.cc (symbol_to_bits): Likewise.
7623         * target.h (Target::small_common_shndx): New function.
7624         (Target::small_common_section_flags): New function.
7625         (Target::large_common_shndx): New function.
7626         (Target::large_common_section_flags): New function.
7627         (Target::new_output_section): New function.
7628         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7629         small_common_section_flags, and large_common_section_flags
7630         fields.
7631         (Target::do_new_output_section): New virtual function.
7632         * arm.cc (Target_arm::arm_info): Initialize new fields.
7633         * i386.cc (Target_i386::i386_info): Likewise.
7634         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7635         Likewise.
7636         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7637         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7638         (Target_x86_64::do_new_output_section): New function.
7639         * configure.ac: Define conditional MCMODEL_MEDIUM.
7640         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7641         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7642         (large_LDFLAGS): Define.
7643         * testsuite/large.c: New file.
7644         * testsuite/testfile.cc (Target_test::test_target_info):
7645         Initialize new fields.
7646         * configure, testsuite/Makefile.in: Rebuild.
7648 2009-06-05  Doug Kwan  <dougkwan@google.com>
7650         * Makefile.am (CCFILES): Add target.cc.
7651         * Makefile.in: Regenerate.
7652         * i386.cc (class Target_i386): Define new virtual method to
7653         override do_is_local_label_name in parent.
7654         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7655         local symbols if --discard-locals or -X is given.
7656         * options.h (class General_options): Declare new options
7657         '--discard-locals' and '-X' for discarding locals.
7658         * target.h (class Target): Define new methods is_local_label_name.
7659         Declare new virtual method do_is_local_label_name.
7660         * target.cc: New file.
7661         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7662         (check_SCRIPTS): Add discard_locals_test.sh.
7663         (check_DATA): Add discard_local_tests.syms.
7664         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7665         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7666         * testsuite/Makefile.in: Regenerate.
7667         * testsuite/discard_locals_test.c: New file.
7668         * testsuite/discard_locals_test.sh: Same.
7670 2009-06-05  Doug Kwan  <dougkwan@google.com>
7672         * object.cc (Sized_relobj::Sized_relobj): Initialize
7673         discarded_eh_frame_shndx_ to -1U.
7674         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7675         section.
7676         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7677         a discarded .eh_frame section.
7678         (Sized_relobj::do_finalize_local_symbols): Ditto.
7679         * object.h (class Sized_relobj): Declare new member
7680         discarded_eh_frame_shndx_.
7681         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7682         (local_labels_test.o, local_labels_test): New rules.
7683         * testsuite/Makefile.in: Regenerate.
7685 2009-06-04  Doug Kwan  <dougkwan@google.com>
7687         * layout.cc (Layout::section_name_mapping): Add mapping for
7688         special ARM sections.
7690 2009-06-03  Doug Kwan  <dougkwan@google.com>
7692         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7693         (utils::has_overflow): Same.
7695 2009-06-03  Ian Lance Taylor  <iant@google.com>
7697         * layout.cc (Layout::section_name_mapping): New array, replacing
7698         Layout::linkonce_mapping.
7699         (Layout::section_name_mapping_count): New variable, replacing
7700         Layout::linkonce_mapping_count.
7701         (Layout::linkonce_output_name): Remove.
7702         (Layout::output_section_name): Rewrite.
7703         * layout.h (class Layout): Rename Linkonce_mapping to
7704         Section_name_mapping, linkonce_mapping to section_name_mapping,
7705         linkonce_mapping_count to section_name_mapping_count.  Don't
7706         declare linkonce_output_name.
7708 2009-06-03  Doug Kwan  <dougkwan@google.com>
7710         * gold/arm.cc (namespace utils): New.
7711         (Target_arm::reloc_is_non_pic): Define new method.
7712         (class Arm_relocate_functions): New.
7713         (Target_arm::Relocate::relocate): Handle relocation types used by
7714         Android.
7716 2009-06-03  Ian Lance Taylor  <iant@google.com>
7718         * arm.cc (Target_arm::scan::global): Use || instead of |.
7720 2009-06-02  Doug Kwan  <dougkwan@google.com>
7722         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7723         issued_non_pic_error_.
7724         (class Target_arm::Scan): Declare new method check_non_pic.
7725         Define new method symbol_needs_plt_entry.
7726         Declare new data member issued_non_pic_error_.
7727         (class Target_arm::Relocate): Declare new method
7728         should_apply_static_reloc.
7729         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7730         (Target_arm::Scan::check_non_pic): Define new method.
7731         (Target_arm::Scan::local): Handle a small subset of reloc types used
7732         by Android.
7733         (Target_arm::Scan::local): Same.
7734         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7736 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7738         * incremental.cc (Incremental_inputs::report_command_line): Filter
7739         out --incremental-* options.
7741 2009-05-29  Doug Kwan  <dougkwan@google.com>
7743         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7744         template class.
7745         (class Target_arm): Update comment.
7746         (Target_arm::Target_arm): Initialize new data members GOT_,
7747         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7748         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7749         and Target_arm::rel_dyn_section.
7750         Declare new_enum Target_arm::Got_type.
7751         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7752         and DYNBSS_.
7753         Update commments for member do_dynsym_value.
7754         (Target_arm::got_size, Target_arm::plt_section,
7755         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7756         new methods inside class defintion.
7757         (Target_arm::got_section): Define new method.
7758         (Target_arm::rel_dyn_section): Same.
7759         (Output_data_plt_arm): New template class.
7760         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7761         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7762         (Output_data_plt_arm::add_entry): Same.
7763         (Output_data_plt_arm::first_plt_entry): Define new
7764         static data member for PLT instruction template.
7765         (Output_data_plt_arm::plt_entry): Same.
7766         (Output_data_plt_arm::do_write): Define new method.
7767         (Target_arm::make_plt_entry): Same.
7768         (Target_arm::do_finalize_sections): Same.
7769         (Target_arm::do_dynsym_value): Same.
7771 2009-05-28  Doug Kwan  <dougkwan@google.com>
7773         * Makefile.am (TARGETSOURCES): Add arm.cc.
7774         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7775         * Makefile.in: Regenerate.
7776         * arm.cc: New file.
7777         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7779 2009-05-26  Doug Kwan  <dougkwan@google.com>
7781         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7782         (General_options::check_excluded_libs): Strip off directories in
7783         archive name before matching like GNU ld does.
7784         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7785         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7786         (exclude_libs_test_LDFLAGS): Add linker option
7787         -Wl,--exclude-libs,libexclude_libs_test_3
7788         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7789         an explicit archive without using -l.
7790         (alt/libexclude_libs_test_3.a): New make rule.
7791         * testsuite/Makefile.in: Regenerate.
7792         * testsuite/exclude_libs_test.c : Declare lib3_default().
7793         (main): Call it.
7794         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7795         * exclude_libs_test_3.c: New file.
7797 2009-05-26  Nick Clifton  <nickc@redhat.com>
7799         * po/id.po: New Indonesian translation.
7800         * po/gold.pot: Updated template file.
7802 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7804         * testsuite/Makefile.am: Add -ffunction-sections to compile
7805         gc_comdat_test files.  Add -Wl,--gc-sections to build
7806         gc_comdat_test.
7807         * testsuite/Makefile.in: Regenerate.
7808         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7810 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7812         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7813         kept comdat section was garbage collected.
7814         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7815         * testsuite/Makefile.in: Regenerate.
7816         * testsuite/gc_comdat_test.sh: New file.
7817         * testsuite/gc_comdat_test_1.cc: New file.
7818         * testsuite/gc_comdat_test_2.cc: New file.
7820 2009-05-19  Doug Kwan  <dougkwan@google.com>
7822         * archive.cc (Archive::Archive): Move constructor from archive.h
7823         to here.  Initialize no_export_.
7824         (Archive::get_elf_object_for_member): Set no_export flag of object.
7825         * archive.h (Archive::Archive): Move constructor body to
7826         archive.cc.
7827         (Archive::no_export): New method.
7828         (Archive::no_export_): New field.
7829         * object.h (Object::Object): Initialize no_export_ to false.
7830         (Object::no_export, Object::set_no_export): New methods.
7831         (Object::no_export_): New field.
7832         * options.cc (General_options::parse_exclude_libs): New method.
7833         (General_options::check_excluded_libs) Same.
7834         * options.h (exclude_libs): New option.
7835         (General_options::check_excluded_libs): New method declaration.
7836         (General_options::excluded_libs_): New field.
7837         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7838         default or protected visibility if an object has no-export flag set.
7839         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7840         (check_SCRIPTS): Add exclude_libs_test.sh.
7841         (check_DATA): Add exclude_libs_test.syms.
7842         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7843         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7844         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7845         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7846         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7847         libexclude_libs_test_2.a): New rules.
7848         * testsuite/Makefile.in: Regenerate.
7849         * testsuite/exclude_libs_test.c: New file.
7850         * testsuite/exclude_libs_test.sh: Ditto.
7851         * testsuite/exclude_libs_test_1.c: Ditto.
7852         * testsuite/exclude_libs_test_2.c: Ditto.
7854 2009-05-15  Ian Lance Taylor  <iant@google.com>
7856         * configure.ac: Check for declarations for cases where libiberty.h
7857         checks HAVE_DECL_xxx.
7858         * configure, config.in: Rebuild.
7860 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7862         * gold.h (Incremental_argument_list): Remove (invalid) forward
7863         declaration.
7864         * incremental.cc (Incremental_inputs::report_achive): New method.
7865         (Incremental_inputs::report_object): New method.
7866         (Incremental_inputs::report_script): New method.
7867         (Incremental_inputs::finalize_inputs): New method.
7868         (Incremental_inputs::finalize): Call finalize_inputs().
7869         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7870         Create inputs entries.
7871         * incremental.h (Incremental_input_type): New enum.
7872         (Incremental_inputs::Incremental_input): Initialize new fields.
7873         (Incremental_inputs::report_inputs): New method.
7874         (Incremental_inputs::report_achive): New method.
7875         (Incremental_inputs::report_object): New method.
7876         (Incremental_inputs::report_script): New method.
7877         (Incremental_inputs::finalize_inputs): New method.
7878         (Incremental_inputs::Input_info): New struct.
7879         (Incremental_inputs::Input_info_map): New typedef.
7880         (Incremental_inputs::lock_): New field.
7881         (Incremental_inputs::Inputs_): New field.
7882         (Incremental_inputs::Inputs_map): New field.
7883         * main.cc (main): Call Incremental_input::report_inputs.
7884         * options.h (Input_argument_list): Typedef moved from
7885         Input_arguments.
7886         (Input_file_group::Files): Remove, use ::Input_argument_list.
7887         (Input_file_group::Input_argument_list): Remove, use
7888         ::Input_argument_list.
7889         * plugin.cc (Plugin_manager::add_input_file): Add error in
7890         incremental build.
7891         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7892         functions.
7893         * script.cc (read_input_script): Call
7894         Incremental_input::report_script.
7895         * script.h (Script_info): New class.
7897 2009-04-27  Ian Lance Taylor  <iant@google.com>
7899         * x86_64.cc (do_adjust_output_section): Set entsize to
7900         plt_entry_size.
7902 2009-04-23  Elliott Hughes  <enh@google.com>
7904         * output.cc (Output_file::close): After short writes, continue
7905         writing from the correct offset in the buffer being written.
7907 2009-04-23  Chris Demetriou  <cgd@google.com>
7909         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
7910         * configure: Regenerate.
7911         * config.in: Regenerate.
7912         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
7913         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
7915 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
7917         * incremental.cc (Incremental_inputs_header_data): Renamed from
7918         Incremental_input_header_data.
7919         (Incremental_inputs_header_data::data_size): New field.
7920         (Incremental_inputs_header_data::put_input_file_count): Renamed
7921         from input_file_count.
7922         (Incremental_inputs_header_data::put_command_line_offset): Renamed
7923         from command_line_offset.
7924         (Incremental_inputs_header_data::put_reserved): Renamed from
7925         put_reserved.
7926         (Incremental_inputs_entry_data): Renamed from
7927         Incremental_input_entry_data.
7928         (Incremental_inputs_entry_data::data_size): New field.
7929         (Incremental_inputs::report_command_line): New method.
7930         (Incremental_inputs::finalize): New method.
7931         (Incremental_inputs::create_incremental_inputs_data): New method.
7932         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
7933         * incremental.h: New file.
7934         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
7935        (Layout::finalize): Create incremental inputs section in
7936         incremental builds.
7937        (Layout::create_incremental_info_sections): New method.
7938         * layout.h (Layout::incremental_inputs): New method.
7939        (Layout::create_incremental_info_sections): New method.
7940        (Layout::incremental_inputs_): New field.
7941         * main.cc (main): Notify Incremental_input of the command line.
7943 2009-04-01  Ian Lance Taylor  <iant@google.com>
7944             Mikolaj Zalewski  <mikolajz@google.com>
7946         * gold.h (reserve_unordered_map): Define, three versions, one for
7947         each version of Unordered_map.
7948         * layout.cc (Layout::Layout): Remove options parameter.  Add
7949         number_of_input_files parameter.  Don't initialize options_.
7950         Initialize number_of_input_files_ and resized_signatures_.  Move
7951         sections_are_attached_.
7952         (Layout::layout_group): Reserve space for group_signatures_.
7953         (Layout::find_or_add_kept_section): Change name parameter to be a
7954         reference.  Resize signatures_ map when it gets large enough.
7955         (Layout::layout_eh_frame): Use parameters->options() instead of
7956         this->options_.
7957         (Layout::make_output_section): Likewise.
7958         (Layout::attach_allocated_section_to_segment): Likewise.
7959         (Layout::finalize, Layout::create_executable_stack): Likewise.
7960         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
7961         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
7962         * layout.h (class Layout): Update declarations.  Remove options_
7963         field.  Add number_of_input_files_ and resized_signatures_
7964         fields.  Move sections_are_attached_ field.
7965         * main.cc (main): Pass number of input files to Layout
7966         constructor.  Don't pass options.
7968 2009-03-30  Ian Lance Taylor  <iant@google.com>
7970         * ffsll.c (ffsll): Correct implementation.
7972 2009-03-27  Ian Lance Taylor  <iant@google.com>
7974         * ffsll.c: New file.
7975         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
7976         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
7977         * ftruncate.c (ftruncate): Declare before definition.
7978         * mremap.c (mremap): Likewise.
7979         * pread.c (pread): Likewise.
7980         * configure, Makefile.in, config.in: Rebuild.
7982         * mremap.c: New file.
7983         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
7984         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
7985         (mremap): Declare if HAVE_MREMAP is not defined.
7986         * configure, Makefile.in, config.in: Rebuild.
7988 2009-03-27  Cary Coutant  <ccoutant@google.com>
7990         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
7991         position independent.
7992         * sparc.cc (Target_sparc::check_non_pic): Likewise.
7993         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
7995 2009-03-24  Cary Coutant  <ccoutant@google.com>
7997         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
7998         an executable.
7999         (needs_dynamic_reloc): Likewise.
8001 2009-03-24  Ian Lance Taylor  <iant@google.com>
8003         * yyscript.y (file_cmd): Recognize EXTERN.
8004         (extern_name_list, extern_name_list_body): New nonterminals.
8005         * script.cc (script_add_extern): Define.
8006         * script-c.h (script_add_extern): Declare.
8008 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8010         * object.cc (is_elf_object): Define.
8011         * object.h (is_elf_object): Declare.
8012         * archive.cc (Archive::get_elf_object_for_member): Call
8013         is_elf_object.
8014         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8016 2009-03-24  Elliott Hughes  <enh@google.com>
8018         * output.cc (Output_file::map_anonymous): Define.
8019         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8020         try an anonymous one.  Report the size if the mmap fails.
8021         * output.h (class Output_file): Declare map_anonymous.
8023 2009-03-24  Ian Lance Taylor  <iant@google.com>
8025         * target-select.cc (instantiate_target): Don't acquire the lock if
8026         the instantiated_target_ field has already been set.
8028 2009-03-23  Ian Lance Taylor  <iant@google.com>
8030         * gold-threads.h (class Initialize_lock): Define.
8031         * gold-threads.cc (class Initialize_lock_once): Define.
8032         (initialize_lock_control): New static variable.
8033         (initialize_lock_pointer): New static variable.
8034         (initialize_lock_once): New static function.
8035         (Initialize_lock::Initialize_lock): Define.
8036         (Initialize_lock::initialize): Define.
8037         * target-select.h: Include "gold-threads.h".
8038         (class Target_selector): Add lock_ and initialize_lock_ fields.
8039         Don't define instantiate_target, just declare it.
8040         * target-select.cc (Target_selector::Target_selector): Initialize
8041         new fields.
8042         (Target_selector::instantiate_target): Define.
8043         * descriptors.h: Include "gold-threads.h".
8044         (class Descriptors): Add initialize_lock_ field.
8045         * descriptors.cc (Descriptors::Descriptors): Initialize new
8046         field.
8047         (Descriptors::open): Use initialize_lock_ field
8048         * errors.h (class Errors): Add initialize_lock_ field.
8049         * errors.cc (Errors::Errors): Initialize new field.
8050         (Errors::initialize_lock): Use initialize_lock_ field.
8051         * powerpc.cc (class Target_selector_powerpc): Remove
8052         instantiated_target_ field.  In do_recognize call
8053         instantiate_target rather than do_instantiate_target.  In
8054         do_instantiate_target just allocate a new target.
8055         * sparc.cc (class Target_selector_sparc): Likewise.
8057         * freebsd.h: New file.
8058         * i386.cc: Include "freebsd.h".
8059         (Target_i386): Derive from Target_freebsd rather than
8060         Sized_target.
8061         (Target_selector_i386): Derive from Target_selector_freebsd rather
8062         than Target_selector.
8063         * x86_64.cc: Include "freebsd.h".
8064         (Target_x86_64): Derive from Target_freebsd rather than
8065         Sized_target.
8066         (Target_selector_x86_64): Derive from Target_selector_freebsd
8067         rather than Target_selector.
8068         * target.h (class Target): Add adjust_elf_header and
8069         do_adjust_elf_header.
8070         * output.cc (Output_file_header:: do_sized_write): Call target
8071         adjust_elf_header routine.
8072         * configure.tgt: Set targ_osabi.
8073         * configure.ac: Define GOLD_DEFAULT_OSABI.
8074         * parameters.cc (Parameters::default_target): Pass
8075         GOLD_DEFAULT_OSABI to select_target.
8076         * target-select.h (class Target_selector): Make instantiate_target
8077         protected rather than private.
8078         * Makefile.am (HFILES): Add freebsd.h.
8079         * configure, Makefile.in, config.in: Rebuild.
8081         * merge.cc (do_add_input_section): Correct pend value.  Change
8082         message about last entry not being null terminated from error to
8083         warning.
8085 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8087         * incremental.cc: New file.
8088         * Makefile.am (CCFILES): Add incremental.cc.
8089         * Makefile.in: Rebuild.
8091 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8093         * layout.cc (Layout::output_section_name): Preserve names
8094         of '.note.' sections.
8096 2009-03-19  Ian Lance Taylor  <iant@google.com>
8098         * descriptors.cc (Descriptors::open): Check that the options are
8099         valid before using them.
8101 2009-03-18  Ian Lance Taylor  <iant@google.com>
8103         * script-sections.h: Include <list>.
8104         (class Script_sections): Change Sections_elements from std::vector
8105         to std::list.  Typedef public Elements_iterator.  Add
8106         orphan_section_placement_, data_segment_align_start_, and
8107         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8108         field.
8109         * script-sections.cc (class Orphan_section_placement): New class.
8110         (class Sections_element): Add virtual functions is_relro and
8111         orphan_section_init.  Remove virtual function place_orphan_here.
8112         (class Output_section_definition): Add is_relro and
8113         orphan_section_init.  Remove place_orphan_here.
8114         (class Orphan_output_section): Likewise.
8115         (Script_sections::Script_sections): Update for field changes.
8116         (Script_sections::data_segment_align): Set saw_data_segment_align_
8117         and data_segment_align_start_, not data_segment_align_index.
8118         (Script_sections::data_segment_relro_end): Check
8119         saw_data_segment_align_.  Use data_segment_align_start_ rather
8120         than data_segment_align_index_.
8121         (Script_sections::place_orphan): Rewrite to use
8122         Orphan_section_placement.
8124 2009-03-17  Ian Lance Taylor  <iant@google.com>
8126         * archive.cc (Archive::add_symbols): Check for a version attached
8127         to the symbol name in the archive map.
8128         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8129         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8130         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8131         (ver_test_11.a): New target.
8132         * testsuite/Makefile.in: Rebuild.
8134         * configure.ac: Check for chsize and posix_fallocate.  Replace
8135         ftruncate.
8136         * ftruncate.c: New file, from gnulib.
8137         * output.cc (posix_fallocate): Define dummy version if not
8138         HAVE_POSIX_FALLOCATE.
8139         (Output_file::map): Call posix_fallocate rather than lseek and
8140         write.
8141         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8142         * configure, Makefile.in, config.in: Rebuild.
8144 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8146         * layout.h (Layout::create_note): Add section_name parameter.
8147         * layout.cc (Layout::create_note): Likewise.
8148         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8150 2009-03-17  Ian Lance Taylor  <iant@google.com>
8152         * descriptors.cc: Include "options.h".
8153         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8154         (Descriptors::open): Always use O_CLOEXEC when opening a new
8155         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8156         then set FD_CLOEXEC.
8158         * sparc.cc (class Target_sparc): Add has_got_section.
8159         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8160         make sure we have a GOT section.
8162         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8163         (Target_sparc::Scan::local): Likewise.
8164         (Target_sparc::Scan::global): Likewise.
8165         (Target_sparc::Relocate::relocate): Likewise.
8166         (Target_sparc::Relocate::relocate_tls): Likewise.
8168         * symtab.cc (Symbol_table::define_default_version): New function,
8169         broken out of add_from_object.
8170         (Symbol_table::add_from_object): Call define_default_version.
8171         (Symbol_table::define_special_symbol): Add resolve_oldsym
8172         parameter.  Change all callers.  If the version for a symbol comes
8173         from a version script, resolve it with the symbol with the same
8174         name with no version.  Also add the symbol without a version if
8175         appropriate.
8176         (do_define_in_output_data): If resolving with oldsym, don't delete
8177         sym.
8178         (do_define_in_output_segment): Likewise.
8179         (do_define_as_constant): Likewise.
8180         * symtab.h (class Symbol_table): Update declarations.
8182 2009-03-13  Ian Lance Taylor  <iant@google.com>
8184         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8185         (Read_symbols::requeue): New function.
8186         (Read_symbols::do_read_symbols): If make_elf_object fails because
8187         the target type is not configured, and the file was searched for,
8188         issue a warning and retry with the next directory.
8189         (Add_symbols::run): If the file has an incompatible format, and
8190         it was searched for, requeue the Read_symbols task.  On error,
8191         release the object.
8192         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8193         dirindex parameter to constructor.  Change all callers.  Declare
8194         incompatible_warning and requeue.
8195         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8196         input_argument_ and input_group_ fields.  Add them to
8197         constructor.  Change all callers.
8198         (class Read_script): Add dirindex_ field.  Add it to constructor.
8199         Change all callers.
8200         * archive.cc (Archive::setup): Remove input_objects parameter.
8201         Change all callers.
8202         (Archive::get_file_and_offset): Likewise.
8203         (Archive::read_all_symbols): Likewise.
8204         (Archive::read_symbols): Likewise.
8205         (Archive::get_elf_object_for_member): Remove input_objects
8206         parameter.  Add punconfigured parameter.  Change all callers.
8207         (Archive::add_symbols): Change return type to bool.  Check return
8208         value of include_member.
8209         (Archive::include_all_members): Likewise.
8210         (Archive::include_member): Change return type to bool.  Return
8211         false if first included object has incompatible target.  Set
8212         included_member_ field.
8213         (Add_archive_symbols::run): If add_symbols returns false, requeue
8214         Read_symbols task.
8215         * archive.h (class Archive): Add included_member_ field.
8216         Initialize it in constructor.  Add input_file and searched_for
8217         methods.  Update declarations.
8218         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8219         input_argument_ fields.  Add them to constructor.  Change all
8220         callers.
8221         * script.cc: Include "target-select.h".
8222         (class Parser_closure): Add skip_on_incompatible_target_ and
8223         found_incompatible_target_ fields.  Add
8224         skip_on_incompatible_target parameter to constructor.  Change all
8225         callers.  Add methods skip_on_incompatible_target,
8226         clear_skip_on_incompatible_target, found_incompatible_target, and
8227         set_found_incompatible_target.
8228         (read_input_script): Add dirindex parameter.  Change all callers.
8229         If parser finds an incompatible target, requeue Read_symbols
8230         task.
8231         (script_set_symbol): Clear skip_on_incompatible_target in
8232         closure.
8233         (script_add_assertion, script_parse_option): Likewise.
8234         (script_start_sections, script_add_phdr): Likewise.
8235         (script_check_output_format): New function.
8236         * script.h (read_input_script): Update declaration.
8237         * script-c.h (script_check_output_format): Declare.
8238         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8239         (ignore_cmd): Remove OUTPUT_FORMAT.
8240         * fileread.cc (Input_file::Input_file): Add explicit this.
8241         (Input_file::will_search_for): New function.
8242         (Input_file::open): Add pindex parameter.  Change all callers.
8243         * fileread.h (class Input_file): Add input_file_argument method.
8244         Declare will_search_for.  Update declarations.
8245         * object.cc (make_elf_object): Add punconfigured parameter.
8246         Change all callers.
8247         * object.h (class Object): Make input_file public.  Add
8248         searched_for method.
8249         (make_elf_object): Update declaration.
8250         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8251         restart search.
8252         * dirsearch.h (class Dirsearch): Update declaration.
8253         * options.h (class General_options): Add --warn-search-mismatch.
8254         * parameters.cc (Parameters::is_compatible_target): New function.
8255         * parameters.h (class Parameters): Declare is_compatible_target.
8256         * workqueue.cc (Workqueue::add_blocker): New function.
8257         * workqueue.h (class Workqueue): Declare add_blocker.
8259         * fileread.cc (Input_file::open): Remove options parameter.
8260         Change all callers.
8261         (Input_file::open_binary): Likewise.
8262         * script.cc (read_input_script): Likewise.
8263         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8264         options parameter from constructor.  Change all callers.
8265         (class Read_script): Likewise.
8266         * fileread.h (class Input_file): Update declarations.
8267         * script.h (read_input_script): Update declaration.
8269 2009-03-10  Nick Clifton  <nickc@redhat.com>
8271         * po/es.po: New Spanish translation.
8273 2009-03-06  Cary Coutant  <ccoutant@google.com>
8275         * options.cc (parse_short_option): Keep dash_z from registering itself.
8277 2009-03-03  Ian Lance Taylor  <iant@google.com>
8279         PR 9918
8280         * target-reloc.h (relocate_section): Pass output_section to
8281         relocate.
8282         * i386.cc (Target_i386::should_apply_static_reloc): Add
8283         output_section parameter.  Change all callers.
8284         (Target_i386::Relocate::relocate): Add output_section parameter.
8285         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8286         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8287         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8288         * testsuite/two_file_shared.sh: New script.
8289         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8290         (check_DATA): Add two_file_shared.dbg.
8291         (two_file_shared.dbg): New target.
8292         * testsuite/Makefile.in: Rebuild.
8294 2009-03-01  Ian Lance Taylor  <iant@google.com>
8296         * configure.ac: Check for byteswap.h.
8297         * configure: Rebuild.
8298         * config.in: Rebuild.
8300 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8302         * layout.cc (Layout::find_or_add_kept_section): New function.
8303         (Layout::add_comdat): Removed.
8304         * layout.h (struct Kept_section): Move out of class Layout.
8305         Remove trailing underscores from field names.  Add group_sections
8306         field.  Rename group_ field to is_group.  Change all uses.
8307         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8308         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8309         comdat_groups_ field.
8310         (Sized_relobj::include_section_group): Use
8311         find_or_add_kept_section and Kept_section::group_sections.
8312         (Sized_relobj::include_linkonce_section): Likewise.
8313         * object.cc (class Sized_relobj): Don't define Comdat_group or
8314         Comdat_group_table.  Remove find_comdat_group and
8315         add_comdat_group.  Remove comdat_groups_ field.
8316         * plugin.cc (include_comdat_group): Use
8317         Layout::find_or_add_kept_section.
8319 2009-02-28  Ian Lance Taylor  <iant@google.com>
8321         * README: --gc-sections and map files are now supported.  Document
8322         some build requirements.
8324         PR 6992
8325         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8326         relocatable link set the value of the section symbol to zero.
8327         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8328         relocatable link don't include the section address in the local
8329         symbol value.
8331 2009-02-27  Ian Lance Taylor  <iant@google.com>
8333         PR 6811
8334         * options.h (class Search_directory): Add is_system_directory.
8335         (class General_options): Declare is_in_system_directory.
8336         * options.cc (get_relative_sysroot): Make static.
8337         (get_default_sysroot): Make static.
8338         (General_optoins::is_in_system_directory): New function.
8339         * fileread.cc (Input_file::is_in_system_directory): New function.
8340         * fileread.h (class Input_file): Declare is_in_system_directory.
8341         * object.h (class Object): Add is_in_system_directory.
8342         (class Input_objects): Remove system_library_directory_ field.
8343         * object.cc (Input_objects::add_object): Don't set
8344         system_library_directory_.
8345         (input_objects::found_in_system_library_directory): Remove.
8346         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8347         parameter.  Change all callers.
8348         (Symbol_table::sized_write_globals): Likewise.
8349         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8350         Call Object::is_in_system_directory.
8351         * symtab.h (class Symbol_table): Update declarations.
8353         PR 5990
8354         * descriptors.h (Open_descriptor): Add is_on_stack field.
8355         * descriptors.cc (Descriptors::open): If the descriptor is on the
8356         top of the stack, remove it.  Initialize is_on_stack field.
8357         (Descriptors::release): Only add pod to stack if it is not on the
8358         stack already.
8359         (Descriptors::close_some_descriptor): Clear stack_next and
8360         is_on_stack fields.
8362         PR 7091
8363         * output.cc (Output_section::find_starting_output_address): Rename
8364         from starting_output_address; add PADDR parameter; change return
8365         type.
8366         * output.h (class Output_section): Declare
8367         find_starting_output_address instead of starting_output_address.
8368         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8369         section symbol for which we can't find a merge section.
8371         PR 9836
8372         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8373         hidden or internal, force the symbol to be local.
8374         * resolve.cc (Symbol::override_visibility): Define.
8375         (Symbol::override_base): Use override_visibility.
8376         (Symbol_table::resolve): Likewise.
8377         (Symbol::override_base_with_special): Likewise.
8378         (Symbol_table::override_with_special): If the visibility is hidden
8379         or internal, force the symbol to be local.
8380         * symtab.h (class Symbol): Add set_visibility and
8381         override_visibility.
8382         * testsuite/ver_test_1.sh: New file.
8383         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8384         (check_DATA): Add ver_test_1.syms.
8385         (ver_test_1.syms): New target.
8386         * testsuite/Makefile.in: Rebuild.
8388 2009-02-25  Cary Coutant  <ccoutant@google.com>
8390         * layout.cc (Layout::choose_output_section): Don't rename sections
8391         when using a linker script that has a SECTIONS clause.
8392         * Makefile.in: Regenerate.
8394         * testsuite/Makefile.am (script_test_5.sh): New test case.
8395         * testsuite/Makefile.in: Regenerate.
8396         * testsuite/script_test_5.cc: New file.
8397         * testsuite/script_test_5.sh: New file.
8398         * testsuite/script_test_5.t: New file.
8400 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8402         * archive.cc (Archive::include_member): Update calls to add_symbols.
8403         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8404         the Layout argument.
8405         * dynobj.h (do_add_symbols): Add the Layout argument.
8406         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8407         Layout argument.
8408         * object.h (Object::add_symbols): Add the Layout argument.
8409         (Object::do_add_symbols): Add the Layout argument.
8410         (Sized_relobj::do_add_symbols): Add the Layout argument.
8411         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8412         Unify the two versions.
8413         (Add_plugin_symbols): Remove.
8414         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8415         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8416         (Add_plugin_symbols): Remove.
8417         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8418         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8419         (Add_symbols::run): Make it work with Pulginobj.
8421 2009-02-06  Ian Lance Taylor  <iant@google.com>
8423         * object.cc (Sized_relobj::do_layout): Make info message start
8424         with lower case letter.
8426 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8428         * binary.cc: Fix file comment.
8430         * options.h (enum Incremental_disposition): Define.
8431         (class General_options): Add new options: --incremental,
8432         --incremental_changed, --incremental_unchanged,
8433         --incremental_unknown.  Add incremental_disposition_ and
8434         implicit_incremental_ fields.
8435         (General_options::incremental_disposition): New function.
8436         (class Position_dependent_options): Add incremental_disposition
8437         option.
8438         (Position_dependent_options::copy_from_options): Set incremental
8439         dispositions.
8440         * options.cc (General_options::parse_incremental_changed): New
8441         function.
8442         (General_options::parse_incremental_unchanged): New function.
8443         (General_options::parse_incremental_unknown): New function.
8444         (General_options::General_options): Initialize new fields
8445         incremental_disposition_ and implicit_incremental_.
8446         (General_options::finalize): Check for uasge of --incremental-*
8447         without --incremental.
8449 2009-02-06  Chris Demetriou  <cgd@google.com>
8451         * gold.h (gold_undefined_symbol): Change to take only a Symbol
8452         pointer and to report location as the file name associated with
8453         the symbol.
8454         (gold_undefined_symbol_at_location): New function to replace the
8455         old gold_undefined_symbol functionality.
8456         * target-reloc.h (relocate_section): Update to use
8457         gold_undefined_symbol_at_location.
8458         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8459         Call gold_undefined_symbol function rather than gold_error.
8460         * errors.h (Errors::undefined_symbol): Take location as a
8461         string, rather than calculating it from a relocation.
8462         * errors.cc (Errors::fatal): Print "fatal error:" before the
8463         formatted message.
8464         (Errors::error, Errors::error_at_location): Print "error: "
8465         before the formatted message.
8466         (Errors::undefined_symbol): Take location as a string, rather
8467         than calculating it from a relocation.
8468         (gold_undefined_symbol_at_location): New function akin to
8469         old gold_undefined_symbol, calculates location from relocation.
8470         (gold_undefined_symbol): Change to take only a Symbol pointer
8471         and to report location as the file name associated with the symbol.
8472         * testsuite/debug_msg.sh: Update for changed error messages.
8473         * testsuite/undef_symbol.sh: Likewise.
8475 2009-02-04  Duncan Sands  <baldrick@free.fr>
8477         PR 9812
8478         * reduced_debug_output.h
8479         (Output_reduced_debug_abbrev_section::failed): Use format for
8480         gold_warning.
8481         (Output_reduced_debug_info_section::faild): Likewise.
8483 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
8485         * script.cc (Lazy_demangler): New class.
8486         (Version_script_info::get_symbol_version_helper): Demangle a
8487         symbol only once.
8489 2009-01-29  Cary Coutant  <ccoutant@google.com>
8491         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
8492         to __tls_get_addr.
8493         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8495 2009-01-28  Ian Lance Taylor  <iant@google.com>
8497         * version.cc (version_string): Bump to 1.9.
8499         * gold.h: Include <cstring> and <stdint.h>.
8500         * version.cc: Include <cstdio>.
8501         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
8502         warning.
8503         * reduced_debug_output.cc (insert_into_vector): Rename from
8504         Insert_into_vector; change all callers.  Use Swap_unaligned to
8505         avoid aliasing issue; remove union since it is unnecessary.
8507 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
8509         * Makefile.am (CCFILES): Add gc.cc.
8510         (HFILES): Add gc.h.
8511         * Makefile.in: Regenerate.
8512         * gold.cc (Gc_runner): New class.
8513         (queue_initial_tasks): Call garbage collection related tasks
8514         when corresponding options are invoked.
8515         (queue_middle_gc_tasks): New function.
8516         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
8517         processed early before laying out sections during garbage collection.
8518         * gold.h (queue_middle_gc_tasks): New function.
8519         (is_prefix_of): Move from "layout.cc".
8520         * i386.cc (Target_i386::gc_process_relocs): New function.
8521         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
8522         * main.cc (main): Create object of class "Garbage_collection".
8523         * object.cc (Relobj::copy_symbols_data): New function.
8524         (Relobj::is_section_name_included): New function.
8525         (Sized_relobj::do_layout): Allow this function to be called twice
8526         during garbage collection and defer layout of section during the
8527         first call.
8528         * object.h (Relobj::get_symbols_data): New function.
8529         (Relobj::is_section_name_included): New function.
8530         (Relobj::copy_symbols_data): New function.
8531         (Relobj::set_symbols_data): New function.
8532         (Relobj::get_relocs_data): New function.
8533         (Relobj::set_relocs_data): New function.
8534         (Relobj::is_output_section_offset_invalid): New pure virtual function.
8535         (Relobj::gc_process_relocs): New function.
8536         (Relobj::do_gc_process_relocs): New pure virtual function.
8537         (Relobj::sd_): New data member.
8538         (Sized_relobj::is_output_section_offset_invalid): New function.
8539         (Sized_relobj::do_gc_process_relocs): New function.
8540         * options.h (General_options::gc_sections): Modify to not be a no-op.
8541         (General_options::print_gc_sections): New option.
8542         * plugin.cc (Plugin_finish::run): Remove function call to
8543         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
8544         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
8545         * reloc.cc (Read_relocs::run): Add task to process relocs and
8546         determine unreferenced sections when doing garbage collection.
8547         (Gc_process_relocs): New class.
8548         (Sized_relobj::do_gc_process_relocs): New function.
8549         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
8550         sections that are garbage collected.
8551         * reloc.h (Gc_process_relocs): New class.
8552         * sparc.cc (Target_sparc::gc_process_relocs): New function.
8553         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
8554         symbols whose corresponding sections are garbage collected.
8555         (Symbol_table::Symbol_table): Add new parameter for the garbage
8556         collection object.
8557         (Symbol_table::gc_mark_undef_symbols): New function.
8558         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8559         (Symbol_table::gc_mark_dyn_syms): New function.
8560         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
8561         as garbage.
8562         (Symbol_table::add_from_object): Likewise.
8563         (Symbol_table::add_from_relobj): When building shared objects, do not
8564         treat externally visible symbols as garbage.
8565         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
8566         table information for static and relocatable links.
8567         * symtab.h (Symbol_table::set_gc): New function.
8568         (Symbol_table::gc): New function.
8569         (Symbol_table::gc_mark_undef_symbols): New function.
8570         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8571         (Symbol_table::gc_mark_dyn_syms): New function.
8572         (Symbol_table::gc_): New data member.
8573         * target.h (Sized_target::gc_process_relocs): New pure virtual
8574         function.
8575         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
8576         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
8578 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
8580         * options.h (General_options::gc_sections): Define as a no-op for now.
8581         (General_options::no_keep_memory): Ditto.
8582         (General_options::Bshareable): Define.
8583         * options.cc (General_options::finalize): Honor -Bshareable.
8585 2009-01-20  Andreas Schwab  <schwab@suse.de>
8587         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
8588         read the value in the contents, since we don't use it.  Use the
8589         template endianness when writing.
8590         (Relocate::relocate): Use it for R_PPC_REL16_HA.
8592 2009-01-19  Andreas Schwab  <schwab@suse.de>
8594         * configure.tgt (powerpc64-*): Fix targ_obj.
8596 2009-01-15  Ian Lance Taylor  <iant@google.com>
8598         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8599         local symbols when stripping all symbols.
8601 2009-01-14  Cary Coutant  <ccoutant@google.com>
8603         * output.cc (Output_reloc): Add explicit instantiations.
8605 2009-01-14  Cary Coutant  <ccoutant@google.com>
8607         * archive.cc (Archive::get_elf_object_for_member): Remove call
8608         to File_read::claim_for_plugin.
8609         * descriptors.cc (Descriptors::open): Remove reference to
8610         is_claimed.
8611         (Descriptors::claim_for_plugin): Remove.
8612         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8613         (Descriptors::is_claimed): Remove.
8614         (claim_descriptor_for_plugin): Remove.
8615         * fileread.cc (File_read::claim_for_plugin): Remove.
8616         * fileread.h (File_read::claim_for_plugin): Remove.
8617         (File_read::descriptor): Reopen descriptor if necessary.
8618         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8619         (Plugin_manager::all_symbols_read): Add task parameter. Change
8620         all callers.
8621         (Plugin_manager::get_input_file): New function.
8622         (Plugin_manager::release_input_file): New function.
8623         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8624         corresponding data member.
8625         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8626         and pass to base constructor. Change all callers.
8627         (get_input_file, release_input_file): New functions.
8628         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8629         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8630         (Plugin_manager::all_symbols_read): Add task parameter.
8631         (Plugin_manager::get_input_file): New function.
8632         (Plugin_manager::release_input_file): New function.
8633         (Plugin_manager::task_): New data member.
8634         (Pluginobj::Pluginobj): Add filesize parameter.
8635         (Pluginobj::filename): New function.
8636         (Pluginobj::descriptor): New function.
8637         (Pluginobj::filesize): New function.
8638         (Pluginobj::filesize_): New data member.
8639         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8640         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8641         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8643         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8644         with archive libraries.
8645         * testsuite/Makefile.in: Regenerate.
8646         * testsuite/plugin_test.c (struct sym_info): New type.
8647         (get_input_file, release_input_file): New static variables.
8648         (onload): Capture new transfer vector entries.
8649         (claim_file_hook): Stop reading at end of file according to filesize.
8650         Factor out parsing of readelf output into separate function.
8651         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8652         APIs and get the source file name from the symbol table.  Convert
8653         source file name to corresponding object file name.  Print info
8654         message when adding new input files.
8655         (parse_readelf_line): New function.
8656         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8657         * testsuite/plugin_test_2.sh: Likewise.
8658         * testsuite/plugin_test_3.sh: Likewise.
8659         * testsuite/plugin_test_4.sh: New test case.
8661 2009-01-07  Ian Lance Taylor  <iant@google.com>
8663         * version.cc (version_string): Bump to 1.8.
8665 2008-12-23  Cary Coutant  <ccoutant@google.com>
8667         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8668         * plugin.cc (Plugin_manager::finish): Rename as
8669         layout_deferred_objects.  Move cleanup to separate function.
8670         (Plugin_manager::cleanup): New function.
8671         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8672         separately.
8673         * plugin.h (Plugin_manager::finish): Rename as
8674         layout_deferred_objects.
8675         (Plugin_manager::cleanup): New function.
8676         (Plugin_manager::cleanup_done): New field.
8678 2008-12-23  Cary Coutant  <ccoutant@google.com>
8680         * plugin.cc (is_visible_from_outside): New function.
8681         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8682         so we don't return "IR only" status for exported symbols or -r links.
8684         * testsuite/Makefile.am (plugin_test_3): New test case.
8685         * testsuite/Makefile.in: Regenerate.
8686         * testsuite/plugin_test_3.sh: New file.
8688 2008-12-22  Cary Coutant  <ccoutant@google.com>
8690         * object.cc (Sized_relobj::layout_section): New function.
8691         (Sized_relobj::do_layout): Defer layout of input sections until after
8692         plugin has provided replacement files.
8693         (Sized_relobj::do_layout_deferred_sections): New function.
8694         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8695         (Relobj::layout_deferred_sections): New function.
8696         (Relobj::do_layout_deferred_sections): New function.
8697         (Sized_relobj::do_layout_deferred_sections): New function.
8698         (Sized_relobj::layout_section): New function.
8699         (Sized_relobj::Deferred_layout): New structure.
8700         (Sized_relobj::deferred_layout_): New field.
8701         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8702         Change all callers.  Layout deferred sections.
8703         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8704         references.
8705         (Plugin_hook::run): Move code from do_plugin_hook inline.
8706         (Plugin_hook::do_plugin_hook): Remove.
8707         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8708         (Plugin_manager::finish): Renamed, was cleanup.
8709         (Plugin_manager::should_defer_layout): New function.
8710         (Plugin_manager::add_deferred_layout_object): New function.
8711         (Plugin_manager::Deferred_layout_list): New type.
8712         (Plugin_manager::deferred_layout_objects_): New field.
8713         (Plugin_hook::do_plugin_hook): Remove.
8715 2008-12-17  Ian Lance Taylor  <iant@google.com>
8717         * options.h (class General_options): Add --no case for
8718         --export-dynamic.
8720 2008-12-16  Cary Coutant  <ccoutant@google.com>
8722         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8723         vector.
8724         (Plugin_manager::claim_file): Create plugin object even if
8725         plugin did not call the add_symbols callback.
8726         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8727         asking for more symbols than were added.
8728         * testsuite/Makefile.am (plugin_test_1): Add test case with
8729         no global symbols.
8730         (empty.syms): New target.
8731         * testsuite/Makefile.in: Regenerate.
8732         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8733         message. Don't call add_symbols if no globals.
8734         (all_symbols_read_hook): Don't provide replacement for empty
8735         claimed file.
8737 2008-12-12  Ian Lance Taylor  <iant@google.com>
8739         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8740         r_type == 0 for a local symbol with r_sym == 0.
8741         (scan_relocatable_relocs): Pass r_sym to
8742         local_non_section_strategy.
8743         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8744         r_sym parameter.
8746         * configure.ac: Update test for TLS descriptors: they are
8747         supported as of glibc 2.9.
8748         * configure: Rebuild.
8750 2008-12-11  Ian Lance Taylor  <iant@google.com>
8752         PR 7091
8753         * target-reloc.h (Default_scan_relocatable_relocs): For each
8754         function, map r_type == 0 to RELOC_DISCARD.
8756 2008-12-10  Cary Coutant  <ccoutant@google.com>
8758         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8759         object to override a kept COMDAT group from a plugin object.
8761 2008-12-09  Ian Lance Taylor  <iant@google.com>
8763         PR 7088
8764         * yyscript.y (file_cmd): Handle INPUT.
8766         * testsuite/initpri1.c: Change all declarations to be full
8767         prototypes by adding void, to avoid compiler warnings.
8769 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8771         * options.cc (General_options::parse_plugin_opt): New.
8772         (General_options::add_plugin): The argument now is just the filename.
8773         (General_options::add_plugin_option): New.
8774         * options.h (plugin_opt): New.
8775         (add_plugin): Change argument name.
8776         (add_plugin_option): New.
8777         * plugin.cc (Plugin::load): Don't parse the plugin option.
8778         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8779         (Plugin::add_option): New.
8780         (Plugin::args_): Change type.
8781         (Plugin::filename_): New.
8782         (Plugin_manager::add_plugin_option): New.
8783         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8784         * testsuite/Makefile.in: Regenerate.
8786 2008-12-05  Cary Coutant  <ccoutant@google.com>
8788         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8789         Handle --strip-lto-sections option.
8790         * options.h (strip_lto_sections): New option.
8792 2008-12-01  Cary Coutant  <ccoutant@google.com>
8794         * plugin.cc (ld_plugin_message): Change format parameter to const.
8795         Fix mismatch between new[] and delete.
8797 2008-11-14  Cary Coutant  <ccoutant@google.com>
8799         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8800         instead of -1U.
8802 2008-11-05  Craig Silverstein  <csilvers@google.com>
8804         * options.cc (General_options::parse_dynamic_list): New function.
8805         * options.h (General_options): New flags dynamic_list,
8806         dynamic_list_data, dynamic_list_cpp_new, and
8807         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8808         (General_options::in_dynamic_list): New function.
8809         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8810         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8811         (Lex::can_continue_name): Likewise.
8812         (yylex): Likewise.
8813         (read_script_file): New parameter script_options.
8814         (read_dynamic_list): New function.
8815         (Script_options::define_dynamic_list): New function.
8816         (dynamic_list_keyword_parsecodes): New variable.
8817         (dynamic_list_keywords): New variable.
8818         * script.h (Script_options::define_dynamic_list): New function
8819         prototype.
8820         (read_dynamic_list): New function prototype.
8821         * symtab.cc (strprefix): New macro.
8822         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8823         dynamic_list_data, dynamic_list_cpp_new, and
8824         dynamic_list_cpp_typeinfo.
8825         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8826         (dynamic_list_expr): New rule.
8827         (dynamic_list_nodes): Likewise.
8828         (dynamic_list_node): Likewise.
8829         * testsuite/Makefile.am (dynamic_list): New test.
8830         * testsuite/Makefile.in: Regenerated.
8831         * testsuite/dynamic_list.t: New file.
8832         * testsuite/dynamic_list.sh: New file.
8834 2008-11-05  Craig Silverstein  <csilvers@google.com>
8836         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8837         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8838         (t11_last): Likewise.
8839         * testsuite/ver_test_6.c (main): Likewise.
8841 2008-10-07  Cary Coutant  <ccoutant@google.com>
8843         * options.c (General_options::finalize): Add check for -static and
8844         -shared.
8845         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8846         is not empty.
8848 2008-10-02  Cary Coutant  <ccoutant@google.com>
8850         * plugin.cc (make_sized_plugin_object): Fix conditional
8851         compilation to work when not all targets are enabled.
8853 2008-09-29  Cary Coutant  <ccoutant@google.com>
8855         * archive.cc (Archive::get_file_and_offset): Use filename instead
8856         of name to get library path.
8857         (Archive::include_member): Unlock external member of a thin archive.
8859         * testsuite/Makefile.am (TEST_AR): New variable.
8860         (thin_archive_test_1): New test.
8861         (thin_archive_test_2): New test.
8862         * testsuite/Makefile.in: Regenerate.
8863         * testsuite/thin_archive_main.cc: New file.
8864         * testsuite/thin_archive_test_1.cc: New file.
8865         * testsuite/thin_archive_test_2.cc: New file.
8866         * testsuite/thin_archive_test_3.cc: New file.
8867         * testsuite/thin_archive_test_4.cc: New file.
8869 2008-09-29  Cary Coutant  <ccoutant@google.com>
8871         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8872         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8873         instead of -1U.
8874         (Sized_relobj::do_finalize_local_symbols): Likewise.
8875         (Sized_relobj::map_to_kept_section): Likewise.
8876         * object.h (Sized_relobj::invalid_address): New constant.
8877         (Sized_relobj::do_output_section_offset): Check for invalid_address
8878         and return -1ULL.
8879         * output.cc (Output_reloc::local_section_offset): Use constant
8880         invalid_address instead of -1U.
8881         (Output_reloc::get_address): Likewise.
8882         (Output_section::output_address): Change -1U to -1ULL.
8883         * output.h (Output_reloc::invalid_address): New constant.
8884         * reloc.cc (Sized_relobj::write_sections): Use constant
8885         invalid_address instead of -1U.
8886         (Sized_relobj::relocate_sections): Likewise.
8887         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8888         values for merge sections.
8889         * target-reloc.h (relocate_for_relocatable): Use constant
8890         invalid_address instead of -1U.
8892 2008-09-19  Cary Coutant  <ccoutant@google.com>
8894         Add plugin functionality for link-time optimization (LTO).
8895         * configure.ac (plugins): Add --enable-plugins option.
8896         * configure: Regenerate.
8897         * config.in: Regenerate.
8898         * Makefile.am (LIBDL): New variable.
8899         (CCFILES): Add plugin.cc.
8900         (HFILES): Add plugin.h.
8901         (ldadd_var): Add LIBDL.
8902         * Makefile.in: Regenerate.
8904         * archive.cc: Include "plugin.h".
8905         (Archive::setup): Don't preread archive symbols when using a plugin.
8906         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
8907         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
8908         files.
8909         (Archive::include_member): Add symbols from plugin objects.
8910         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
8911         * descriptors.cc (Descriptors::open): Check for file descriptors
8912         abandoned by plugins.
8913         (Descriptors::claim_for_plugin): New function.
8914         * descriptors.h (Descriptors::claim_for_plugin): New function.
8915         (Open_descriptor::is_claimed): New field.
8916         (claim_descriptor_for_plugin): New function.
8917         * fileread.cc (File_read::claim_for_plugin): New function.
8918         * fileread.h (File_read::claim_for_plugin): New function.
8919         (File_read::descriptor): New function.
8920         * gold.cc: Include "plugin.h".
8921         (queue_initial_tasks): Add task to call plugin hooks for generating
8922         new object files.
8923         * main.cc: Include "plugin.h".
8924         (main): Load plugin libraries.
8925         * object.h (Pluginobj): Declare.
8926         (Object::pluginobj): New function.
8927         (Object::do_pluginobj): New function.
8928         (Object::set_target): New function.
8929         * options.cc: Include "plugin.h".
8930         (General_options::parse_plugin): New function.
8931         (General_options::General_options): Initialize plugins_ field.
8932         (General_options::add_plugin): New function.
8933         * options.h (Plugin_manager): Declare.
8934         (General_options): Add --plugin option.
8935         (General_options::has_plugins): New function.
8936         (General_options::plugins): New function.
8937         (General_options::add_plugin): New function.
8938         (General_options::plugins_): New field.
8939         * plugin.cc: New file.
8940         * plugin.h: New file.
8941         * readsyms.cc: Include "plugin.h".
8942         (Read_symbols::do_read_symbols): Check for archive before checking
8943         for ELF file.  Call plugin hooks to claim files.
8944         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
8945         from a real object file; force override when processing replacement
8946         files.
8947         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
8948         (Symbol::init_base_object): Likewise.
8949         (Symbol::init_base_output_data): Likewise.
8950         (Symbol::init_base_output_segment): Likewise.
8951         (Symbol::init_base_constant): Likewise.
8952         (Symbol::init_base_undefined): Likewise.
8953         (Symbol::output_section): Assert that object is not a plugin.
8954         (Symbol_table::add_from_pluginobj): New function.
8955         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
8956         undefined.
8957         (Symbol_table::sized_write_globals): Likewise.
8958         (Symbol_table::add_from_pluginobj): Instantiate template.
8959         * symtab.h (Sized_pluginobj): Declare.
8960         (Symbol::in_real_elf): New function.
8961         (Symbol::set_in_real_elf): New function.
8962         (Symbol::in_real_elf_): New field.
8963         (Symbol_table::add_from_pluginobj): New function.
8965         * testsuite/Makefile.am (AM_CFLAGS): New variable.
8966         (LIBDL): New variable.
8967         (LDADD): Add LIBDL.
8968         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
8969         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
8970         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
8971         (MOSTLYCLEANFILES): Likewise.
8972         * testsuite/Makefile.in: Regenerate.
8973         * testsuite/plugin_test.c: New file.
8974         * testsuite/plugin_test_1.sh: New file.
8975         * testsuite/plugin_test_2.sh: New file.
8977 2008-09-16  Ian Lance Taylor  <iant@google.com>
8979         * target-reloc.h (relocate_section): Check whether a symbol is
8980         defined by the ABI before reporting an undefined symbol error.
8981         * target.h (Target::is_defined_by_abi): Make parameter const.
8982         (Target::do_is_defined_by_abi): Likewise.
8983         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
8984         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
8985         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
8986         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
8987         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
8988         * testsuite/Makefile.in: Rebuild.
8990         * fileread.cc (make_view): Add casts to avoid warning.
8992 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8994         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
8995         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8997 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8999         * options.h (General_options::output_is_executable): New.
9000         (General_options::output_is_pie): New.
9001         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9002         for shared libraries.
9003         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9005 2008-09-11  Chris Demetriou  <cgd@google.com>
9007         * options.h (origin): New -z option.
9008         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9009         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9010         in DT_FLAGS_1.
9012 2008-09-05  Cary Coutant  <ccoutant@google.com>
9014         * fileread.cc (File_read::make_view): Add check for attempt to map
9015         beyond end of file.
9017 2008-09-05  Cary Coutant  <ccoutant@google.com>
9019         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9020         explicit instantiations.
9022 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9024         PR gold/6858
9025         * options.cc (General_options::finalize): Allow undefined symbols
9026         in shlibs if linking -shared.
9028         PR gold/6859
9029         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9030         symbols as not needing a dynsym entry.
9032 2008-08-20  Craig Silverstein  <csilvers@google.com>
9034         * fileread.cc (File_read::open): Do not lock the file unless it
9035         was successfully opened.
9037 2008-08-14  Cary Coutant  <ccoutant@google.com>
9039         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9040         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9041         * testsuite/tls_test.cc (struct int128): 128-bit struct
9042         for testing TLS relocs with non-zero addend.
9043         (v12): New TLS variable.
9044         (t12): New test.
9045         (t_last): Add check for v12.
9046         * testsuite/tls_test.h (t12): New function.
9047         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9049 2008-08-13  Ian Lance Taylor  <iant@google.com>
9051         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9052         set tls_segment_ or relro_segment_.
9053         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9054         when appropriate.
9055         * output.h (Output_section::clear_is_relro): New function.
9056         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9057         sections specially even when output_data_ is empty.
9058         (Output_segment::maximum_alignment): When first section is relro,
9059         only force alignment for PT_LOAD segments.
9060         * script.cc (script_data_segment_align): New function.
9061         (script_data_segment_relro_end): New function.
9062         * script-c.h (script_data_segment_align): Declare.
9063         (script_data_segment_relro_end): Declare.
9064         * script-sections.h (class Script_sections): Declare
9065         data_segment_align and data_segment_relro_end.  Add fields
9066         segment_align_index_ and saw_relro_end_.
9067         * script-sections.cc (class Sections_element): Add set_is_relro
9068         virtual function.  Add new bool* parameter to place_orphan_here.
9069         Add get_output_section virtual function.
9070         (class Output_section_definition): Add set_is_relro.  Add new
9071         bool* parameter to place_orphan_here.  Add get_output_section.
9072         Add is_relro_ field.
9073         (Output_section_definition::Output_section_definition): Initialize
9074         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9075         and is_relro_ fields.
9076         (Output_section_definition::place_orphan_here): Add is_relro
9077         parameter.
9078         (Output_section_definition::set_section_addresses): Set relro for
9079         output section.
9080         (Output_section_definition::alternate_constraint): Likewise.
9081         (class Orphan_output_section): Add new bool* parameter to
9082         place_orphan_here.  Add get_output_section.
9083         (Orphan_output_section::place_orphan_here): Add is_relro
9084         parameter.
9085         (Script_sections::Script_sections): Initialize
9086         data_segment_align_index_ and saw_relro_end_.
9087         (Script_sections::data_segment_align): New function.
9088         (Script_sections::data_segment_relro_end): New function.
9089         (Script_sections::place_orphan): Set or clear is_relro.
9090         (Script_sections::set_section_addresses): Force alignment of first
9091         TLS section.
9092         * yyscript.y (exp): Call script_data_segment_align and
9093         script_data_segment_relro_end.
9094         * testsuite/relro_script_test.t: New file.
9095         * testsuite/relro_test.cc (using_script): Declare.
9096         (t1, t2): Test using_script.
9097         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9098         (relro_script_test_SOURCES): Define.
9099         (relro_script_test_DEPENDENCIES): Define.
9100         (relro_script_test_LDFLAGS): Define.
9101         (relro_script_test_LDADD): Define.
9102         (relro_script_test.so): New target.
9103         * testsuite/Makefile.in: Rebuild.
9105 2008-08-06  Cary Coutant <ccoutant@google.com>
9107         * archive.cc (Archive::total_archives, Archive::total_members)
9108         (Archive::total_members_loaded): New variables.
9109         (Archive::setup): Add parameter.  Add option to preread
9110         archive symbols.
9111         (Archive::read_armap): Add counter.
9112         (Archive::get_file_and_offset): New function.
9113         (Archive::get_elf_object_for_member): New function.
9114         (Archive::read_all_symbols): New function.
9115         (Archive::read_symbols): New function.
9116         (Archive::add_symbols): Add counters.
9117         (Archive::include_all_members): Use armap to find members if it's
9118         already built.
9119         (Archive::include_member): Skip reading symbols if already read.
9120         Factored code into Archive::get_file_and_offset and
9121         Archive::get_elf_object_for_member.  Changed call to
9122         Mapfile::report_include_archive_member.
9123         (Archive::print_stats): New function.
9124         * archive.h: Declare Object and Read_symbols_data classes.
9125         (Archive::Archive): Add initializers for new members.
9126         (Archive::setup): Add parameter.
9127         (Archive::print_stats): New function.
9128         (Archive::total_archives, Archive::total_members)
9129         (Archive::total_members_loaded): New variables.
9130         (Archive::get_file_and_offset): New function.
9131         (Archive::get_elf_object_for_member): New function.
9132         (Archive::read_all_symbols): New function.
9133         (Archive::read_symbols): New function.
9134         (Archive::Archive_member): New class.
9135         (Archive::members_): New member.
9136         (Archive::num_members_): New member.
9137         * main.cc: Include archive.h.
9138         (main): Call Archive::print_stats.
9139         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9140         archive parameter; member_name is now the fully-decorated name.
9141         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9142         * options.h: (General_options): Add --preread-archive-symbols option.
9143         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9144         Archive::setup.
9146 2008-08-04  Ian Lance Taylor  <iant@google.com>
9148         * symtab.h (Symbol::use_plt_offset): New function.
9149         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9150         * powerpc.cc (Relocate::relocate): Likewise.
9151         * sparc.cc (Relocate::relocate): Likewise.
9152         * x86_64.cc (Relocate::relocate): Likewise.
9153         * testsuite/weak_plt.sh: New test.
9154         * testsuite/weak_plt_main.cc: New test.
9155         * testsuite/weak_plt_shared.cc: New test.
9156         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9157         (check_PROGRAMS): Add weak_plt.
9158         (check_DATA): Add weak_plt_shared.so.
9159         (weak_plt_main_pic.o, weak_plt): New targets.
9160         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9161         * testsuite/Makefile.in: Rebuild.
9163         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9164         gcctestdir/ld.
9165         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9166         * testsuite/Makefile.in: Rebuild.
9168 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9170         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9171         * Makefile.in: Regenerate.
9172         * po/POTFILES.in: Regenerate.
9174 2008-07-29  Ian Lance Taylor  <iant@google.com>
9176         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9177         symbols before other symbols.
9178         * testsuite/script_test_2.cc (test_addr): Declare.
9179         (test_addr_alias): Declare.
9180         (main): Check that test_addr and test_addr_alias have the right
9181         values.
9182         * testsuite/script_test_2.t: Define test_addr_alias and
9183         test_addr.
9185 2008-07-24  Ian Lance Taylor  <iant@google.com>
9187         PR 5990
9188         * descriptors.cc: New file.
9189         * descriptors.h: New file.
9190         * gold-threads.h (class Hold_optional_lock): New class.
9191         * fileread.cc: Include "descriptors.h".
9192         (File_read::~File_read): Release descriptor rather than closing
9193         it.
9194         (File_read::open) [file]: Call open_descriptor rather than open.
9195         Set is_descriptor_opened_.
9196         (File_read::open) [memory]: Assert that descriptor is not open.
9197         (File_read::reopen_descriptor): New function.
9198         (File_read::release): Release descriptor.
9199         (File_read::do_read): Make non-const.  Reopen descriptor.
9200         (File_read::read): Make non-const.
9201         (File_read::make_view): Reopen descriptor.
9202         (File_read::do_readv): Likewise.
9203         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9204         Update declarations.
9205         * layout.cc: Include "descriptors.h".
9206         (Layout::create_build_id): Use open_descriptor rather than open.
9207         * output.cc: Include "descriptors.h".
9208         (Output_file::open): Use open_descriptor rather than open.
9209         * archive.cc (Archive::const_iterator): Change Archive to be
9210         non-const.
9211         (Archive::begin, Archive::end): Make non-const.
9212         (Archive::count_members): Likewise.
9213         * archive.h (class Archive): Update declarations.
9214         * object.h (Object::read): Make non-const.
9215         * Makefile.am (CCFILES): Add descriptors.cc.
9216         (HFILES): Add descriptors.h.
9217         * Makefile.in: Rebuild.
9219         PR 6716
9220         * gold.h: Always include <clocale>.  Add Solaris workarounds
9221         following code in binutils/sysdep.h.
9223         PR 6048
9224         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9225         this->eh_frame_hdr_ is NULL before using it.
9227         * dynobj.cc (Versions::Versions): Update comment.
9229         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9230         the base version name.
9232         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9233         array size plus one.
9234         (Stringpool_template::set_string_offsets): Subtract one from key
9235         before using it as an array index.
9236         (Stringpool_template::get_offset_with_length): Likewise.
9237         (Stringpool_template::write_to_buffer): Likewise.
9238         * stringpool.h (Stringpool_template::get_offset_from_key):
9239         Likewise.
9241 2008-07-23  Ian Lance Taylor  <iant@google.com>
9243         PR 6658
9244         * object.h (Merged_symbol_value::value): Do our best to handle a
9245         negative addend.
9247         PR 6647
9248         * script.cc (Version_script_info::get_versions): Don't add empty
9249         version tag to return value.
9250         (Version_script_info::get_symbol_version_helper): Change return
9251         type to bool.  Add pversion parameter.  Change all callers.
9252         (script_register_vers_node): Don't require a non-NULL tag.
9253         * script.h (class Version_script_info): Update declarations.
9254         (Version_script_info::get_symbol_version): Change return type to
9255         bool.  Add version parameter.  Change all callers.
9256         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9257         handling.  Handle an empty version from a version script.
9258         (Symbol_table::define_special_symbol): Likewise.
9259         * testsuite/ver_test_10.script: New file.
9260         * testsuite/ver_test_10.sh: New file.
9261         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9262         (check_DATA): Add ver_test_10.syms.
9263         (ver_test_10.syms, ver_test_10.so): New target.
9264         * testsuite/Makefile.in: Rebuild.
9266 2008-07-23  Simon Baldwin  <simonb@google.com>
9268         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9269         to zero for undefined symbols from dynamic libraries.
9271 2008-07-23  Ian Lance Taylor  <iant@google.com>
9273         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9274         Change all callers.
9275         * symtab.h (class Symbol_table): Update declaration.
9276         * testsuite/ver_test_9.cc: New file.
9277         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9278         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9279         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9280         (ver_test_9.so, ver_test_9.o): New targets.
9281         * testsuite/Makefile.in: Rebuild.
9283 2008-07-22  Ian Lance Taylor  <iant@google.com>
9285         * options.h (class General_options): Define --check-sections.
9286         * layout.cc (Layout::set_segment_offsets): Handle
9287         --check-sections.
9289         * options.h (class General_options): Define -n/--nmagic and
9290         -N/--omagic.
9291         * options.cc (General_options::finalize): For -n/--nmagic or
9292         -N/--omagic, set -static.
9293         * layout.cc (Layout::attach_allocated_section_to_segment): If
9294         -N/--omagic, don't put read-only and read-write sections in
9295         different segments.
9296         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9297         finding a read-only segment.
9298         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9299         don't set the minimum segment alignment to the common page size,
9300         and don't set the file offset to the address modulo the page size.
9301         * script-sections.cc (Script_sections::create_segments): If
9302         -n/--omagic, don't put read-only and read-write sections in
9303         different segments.
9305         * cref.cc: New file.
9306         * cref.h: New file.
9307         * options.h (class General_options): Add --print-symbol-counts.
9308         * main.cc (main): Issue defined symbol report if requested.
9309         * archive.cc (Archive::interpret_header): Make into a const member
9310         function.
9311         (Archive::add_symbols): Call Input_objects::archive_start and
9312         archive_stop.
9313         (Archive::const_iterator): Define new class.
9314         (Archive::begin, Archive::end): New functions.
9315         (Archive::include_all_members): Rewrite to use iterator.
9316         (Archive::count_members): New function.
9317         * archive.h (class Archive): Update declarations.
9318         (Archive::filename): New function.
9319         * object.cc: Include "cref.h".
9320         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9321         (Sized_relobj::do_get_global_symbol_counts): New function.
9322         (Input_objects::add_object): Add object to cross-referencer.
9323         (Input_objects::archive_start): New function.
9324         (Input_objects::archive_stop): New function.
9325         (Input_objects::print_symbol_counts): New function.
9326         * object.h: Declare Cref and Archive.
9327         (Object::get_global_symbol_counts): New function.
9328         (Object::do_get_global_symbol_counts): New pure virtual function.
9329         (class Sized_relobj): Add defined_count_ field.  Update
9330         declarations.
9331         (class Input_objects): Add cref_ field.  Update constructor.
9332         Update declarations.
9333         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9334         defined_count_.
9335         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9336         symbol counts.
9337         (Sized_dynobj::do_get_global_symbol_counts): New function.
9338         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9339         defined_count_.  Update declarations.  Define Symbols typedef.
9340         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9341         parameter.  Change all callers.
9342         (Symbol_table::add_from_dynobj): Add sympointers and defined
9343         parameters.  Change all callers.
9344         * symtab.h (class Symbol_table): Update declarations.
9345         * Makefile.am (CCFILES): Add cref.cc.
9346         (HFILES): Add cref.h.
9347         * Makefile.in: Rebuild.
9349 2008-07-22  Simon Baldwin  <simonb@google.com>
9351         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9352         to zero when writing undefined symbols.
9354 2008-07-22  Ian Lance Taylor  <iant@google.com>
9356         * output.cc (Output_section::add_input_section): Don't try to
9357         merge empty merge sections.
9359 2008-07-21  Craig Silverstein  <csilvers@google.com>
9361         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9362         Include symbol version in error message.
9364 2008-07-20  Chris Demetriou  <cgd@google.com>
9366         * configure.ac (gold_cv_c_random_seed): New configured variable.
9367         (RANDOM_SEED_CFLAGS): New substituted variable.
9368         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9369         * configure: Rebuild.
9370         * Makefile.in: Likewise.
9371         * testsuite/Makefile.in: Likewise.
9373 2008-07-18  Ian Lance Taylor  <iant@google.com>
9375         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9376         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9377         * testsuite/ver_test_main.cc (main): Call t4.
9378         (t4, t4_2a): Define.
9379         * testsuite/ver_test_2.cc (t4_2): Define.
9380         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9381         * testsuite/ver_test_4.cc (t4_2a): Define.
9382         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9383         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9385 2008-07-17  Ian Lance Taylor  <iant@google.com>
9387         * dynobj.cc (Versions::add_def): If we give an error about a
9388         missing version, go ahead and create the version anyhow.
9390 2008-07-10  Ian Lance Taylor  <iant@google.com>
9392         Handle output sections with more than 0x7fffffff bytes.
9393         * object.h (class Relobj): Change map_to_output_ to
9394         output_sections_, and just keep a section pointer.  Change all
9395         uses.  Move comdat group support to Sized_relobj.
9396         (Relobj::is_section_specially_mapped): Remove.
9397         (Relobj::output_section): Remove poff parameter.  Change all
9398         callers.
9399         (Relobj::output_section_offset): New function.
9400         (Relobj::set_section_offset): Rewrite.
9401         (Relobj::map_to_output): Remove.
9402         (Relobj::output_sections): New function.
9403         (Relobj::do_output_section_offset): New pure virtual function.
9404         (Relobj::do_set_section_offset): Likewise.
9405         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9406         group support from Relobj.  Update declarations.
9407         (Sized_relobj::get_output_section_offset): New function.
9408         (Sized_relobj::do_output_section_offset): New function.
9409         (Sized_relobj::do_set_section_offset): New function.
9410         * object.cc (Relobj::output_section_address): Remove.
9411         (Sized_relobj::Sized_relobj): Initialize new fields.
9412         (Sized_relobj::include_section_group): Cast find_kept_object to
9413         Sized_relobj.
9414         (Sized_relobj::include_linkonce_section): Likewise.
9415         (Sized_relobj::do_layout): Use separate arrays for output section
9416         and output offset.
9417         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9418         output_sections.
9419         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9420         output_sections and section_offsets.
9421         (Sized_relobj::write_local_symbols): Likewise.
9422         (map_to_kept_section): Compute output address directly.
9423         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9424         output_sections and section_offsets.
9425         (Sized_relobj::write_sections): Likewise.
9426         (Sized_relobj::relocate_sections): Likewise.
9427         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9428         * output.h (class Output_reloc): Update declarations.  Change
9429         u2_.relobj to Sized_relobj*.
9430         (class Output_data_reloc): Change add functions to use
9431         Sized_relobj*.
9432         * output.cc (Output_reloc::Output_reloc): Change relobj to
9433         Sized_relobj*.
9434         (Output_reloc::local_section_offset): Change return type to
9435         Elf_Addr.  Use get_output_section_offset.
9436         (Output_reloc::get_address): Likewise.
9437         (Output_section::is_input_address_mapped): Don't call
9438         is_section_specially_mapped.
9439         (Output_section::output_offset): Likewise.
9440         (Output_section::output_address): Likewise.
9441         (Output_section::starting_output_address): Likewise.
9442         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
9443         parameter to Sized_relobj*.
9444         (Copy_relocs::need_copy_reloc): Likewise.
9445         (Copy_relocs::save): Likewise.
9446         * copy-relocs.h (class Copy_relocs): Update declarations.
9447         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
9448         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
9449         * target-reloc.h (relocate_for_relocatable): Change
9450         offset_in_output_section type to Elf_Addr.  Change code that uses
9451         it as well.
9452         * layout.cc (Layout::layout): Always set *off.
9453         * mapfile.cc (Mapfile::print_input_section): Use
9454         output_section_offset.
9455         * i386.cc (Target_i386::copy_reloc): Change object parameter to
9456         Sized_relobj*.
9457         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
9458         * sparc.cc (Target_sparc::copy_reloc): Likewise.
9459         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
9461 2008-07-03  Ian Lance Taylor  <iant@google.com>
9463         * layout.cc (Layout::include_section): Do not discard unrecognized
9464         SHT_STRTAB sections.
9466 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
9468         * script.cc (Lex::can_continue_name): Make '?' allowable in
9469         version-script names.
9470         * testsuite/version_script.map: Change glob pattern to use '?'
9472 2008-06-30  Manish Singh  <yosh@gimp.org>
9474         PR 6585
9475         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
9476         Correct typo.
9478 2008-06-30  Ian Lance Taylor  <iant@google.com>
9480         PR 6660
9481         PR 6682
9482         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
9483         versions]: Don't try to read the value in the contents, since we
9484         don't use it.  Use the template endianness when writing.
9486 2008-06-25  Cary Coutant  <ccoutant@google.com>
9488         * fileread.cc (File_read::make_view): Assert on zero-length view.
9489         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
9490         symbol table when there are no symbols to read.
9492 2008-06-23  Craig Silverstein  <csilvers@google.com>
9494         * version.cc (version_string): Bump to 1.7
9496 2008-06-18  Craig Silverstein  <csilvers@google.com>
9498         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
9499         constant 0xFFFF to type Valtype.
9500         (Powerpc_relocate_functions::rel16_ha): Likewise.
9502 2008-06-17  Ian Lance Taylor  <iant@google.com>
9504         * output.h (Output_section::Input_section): Initialize p2align_ to
9505         zero for Output_section_data constructors.
9506         (Output_section::Input_section::addralign): If not an input
9507         section, return the alignment of the Output_section_data.
9508         * testsuite/copy_test.cc: New file.
9509         * testsuite/copy_test_1.cc: New file.
9510         * testsuite/copy_test_2.cc: New file.
9511         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
9512         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
9513         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
9514         (copy_test_1_pic.o, copy_test_1.so): New targets.
9515         (copy_test_2_pic.o, copy_test_2.so): New targets.
9516         * testsuite/Makefile.in: Rebuild.
9518         * script-sections.cc (Script_sections::place_orphan): Initialize
9519         local variable exact.
9521 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
9523         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
9525 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
9526             David S. Miller  <davem@davemloft.net>
9528         * powerpc.cc: New file.
9529         * Makefile.am (TARGETSOURCES): Add powerpc.cc
9530         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
9531         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
9532         * Makefile.in: Rebuild.
9534 2008-06-09  Ian Lance Taylor  <iant@google.com>
9536         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
9537         <exception>.
9538         (throwing, orig_terminate): New static variables.
9539         (terminate_handler): New static function.
9540         (t2): Set terminate handler.
9542 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
9544         PR 6584
9545         * binary.cc (Binary_to_elf::sized_convert): Fix .data
9546         alignment.
9548 2008-05-30  Cary Coutant  <ccoutant@google.com>
9550         * archive.cc (Archive::include_all_members) Correct to step
9551         over symbol table and extended name table in thin archives.
9553 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
9555         PR 6407
9556         * target-reloc.h (relocate_for_relocatable): Fix new_offset
9557         calculation.
9559 2008-05-28  Caleb Howe  <cshowe@google.com>
9561         * reduced_debug_output.cc: New file.
9562         * reduced_debug_output.h: New file.
9563         * options.h (class General_options): Add --strip-debug-non-line.
9564         * options.cc (General_options::finalize): Add strip_debug_non_line
9565         to the strip heirarchy.
9566         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
9567         fields.
9568         * layout.cc: Include "reduced_debug_output.h".
9569         (Layout::Layout): Initialize new fields.
9570         (line_only_debug_sections): New static array.
9571         (is_lines_only_debug_sections): New static inline function.
9572         (Layout::include_section): Handle --strip-debug-non-line.
9573         (Layout::make_output_section): If --strip-debug-non-line, build
9574         new output sections for .debug_abbrev and .debug_info.
9575         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
9576         gold.  Warn about possible overflow.
9577         (read_signed_LEB_128): Likewise.
9578         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
9579         (read_signed_LEB_128): Declare.
9580         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
9581         (HFILES): Add reduced_debug_output.h.
9582         * Makefile.in: Rebuild.
9584 2008-05-21  Ian Lance Taylor  <iant@google.com>
9586         * mapfile.cc: New file.
9587         * mapfile.h: New file.
9588         * options.h (class General_options): Add -M/--print-map and -Map.
9589         * options.cc (General_options::finalize): Make -M equivalent to
9590         -Map -.
9591         * main.cc: Include <cstdio> and "mapfile.h".
9592         (main): Open mapfile if requested.
9593         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
9594         constructor.  Change caller.
9595         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9596         (queue_middle_tasks): Likewise.
9597         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9598         declarations.
9599         * archive.cc: Include "mapfile.h".
9600         (Archive::add_symbols): Add mapfile parameter.  Change all
9601         callers.  Pass mapfile, symbol, and reason to include_member.
9602         (Archive::include_all_members): Add mapfile parameter.  Change all
9603         callers.
9604         (Archive::include_member): Add mapfile, sym, and why parameters.
9605         Change all callers.  Report inclusion to map file.
9606         * archive.h: Include "fileread.h".
9607         (class Archive): Update declarations.
9608         (Archive::file): New const method.
9609         (class Add_archive_symbols): Add mapfile_ field.  Update
9610         constructor.  Change all callers.
9611         * readsyms.h (class Read_symbols): Likewise.
9612         (class Finish_group): Likewise.
9613         (class Read_script): Likewise.
9614         * common.cc: Include "mapfile.h".
9615         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9616         all callers.
9617         (Symbol_table::do_allocate_commons): Likewise.
9618         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9619         symbol allocation to mapfile.
9620         * common.h (class Allocate_commons_task): Add mapfile_ field.
9621         Update constructor.  Change all callers.
9622         * symtab.h (class Symbol_table): Update declarations.
9623         * layout.cc: Include "mapfile.h".
9624         (Layout_task_runner::run): Print information to mapfile.
9625         (Layout::create_gold_note): Change Output_data_fixed_space to
9626         Output_data_zero_fill.
9627         (Layout::create_build_id): Likewise.
9628         (Layout::print_to_mapfile): New function.
9629         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9630         constructor.  Change caller.
9631         (class Layout): Declare print_to_mapfile.
9632         * output.cc (Output_section::Input_section::print_to_mapfile): New
9633         function.
9634         (Output_section::add_input_section): If producing a map, always
9635         add to input_sections_ list.
9636         (Output_section::do_print_to_mapfile): New function.
9637         (Output_segment::print_sections_to_mapfile): New function.
9638         (Output_segment::print_section_list_to_mapfile): New function.
9639         * output.h: Include "mapfile.h".
9640         (Output_data::print_to_mapfile): New function.
9641         (Output_data::do_print_to_mapfile): New virtual function.
9642         (Output_segment_headers::do_print_to_mapfile): New function.
9643         (Output_file_header::do_print_to_mapfile): New function.
9644         (Output_data_const::do_print_to_mapfile): New function.
9645         (class Output_data_const_buffer): Add map_name_ field.  Update
9646         constructor.  Change all callers.  Add do_print_to_mapfile
9647         function.
9648         (class Output_data_fixed_space): Likewise.
9649         (class Output_data_space): Likewise.
9650         (class Output_data_zero_fill): New class.
9651         (Output_data_strtab::do_print_to_mapfile): New function.
9652         (Output_data_reloc_base::do_print_to_mapfile): New function.
9653         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9654         (Output_data_group::do_print_to_mapfile): New function.
9655         (Output_data_got::do_print_to_mapfile): New function.
9656         (Output_data_dynamic::do_print_to_mapfile): New function.
9657         (Output_symtab_xindex::do_print_to_mapfile): New function.
9658         (class Output_section): Declare do_print_to_mapflie.  Declare
9659         print_to_mapfile in Input_section.
9660         (class Output_segment): Declare new functions.
9661         * object.h (Sized_relobj::symbol_count): New function.
9662         * script-sections.cc
9663         (Output_section_element_dot_assignment::set_section_addresses):
9664         Change Output_data_fixed_space to Output_data_zero_fill.
9665         (Output_data_expression::do_print_to_mapfile): New function.
9666         * script.cc (read_input_script): Add mapfile parameter.  Change
9667         all callers.
9668         * script.h (read_input_script): Update declaration.
9669         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9670         (Eh_frame::do_print_to_mapfile): New function.
9671         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9672         (Output_merge_string::do_print_to_mapfile): New function.
9673         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9674         function.
9675         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9676         function.
9677         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9678         function.
9679         * Makefile.am (CCFILES): Add mapfile.cc.
9680         (HFILES): Add mapfile.h.
9681         * Makefile.in: Rebuild.
9683 2008-05-19  Ian Lance Taylor  <iant@google.com>
9685         * options.h (class General_options): Add -z relro.
9686         * layout.cc (Layout::Layout): Initialize relro_segment_.
9687         (Layout::add_output_section_data): Return the output section.
9688         (Layout::make_output_section): Rcognize relro sections and mark
9689         them appropriately.
9690         (Layout::attach_allocated_section_to_segment): Put relro sections
9691         in a PT_GNU_RELRO segment.
9692         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9693         section as relro.
9694         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9695         PT_TLS segments.
9696         (Layout::linkonce_mapping): Map d.rel.ro.local to
9697         .data.rel.ro.local.
9698         (Layout::output_section_name): Us .data.rel.ro.local for any
9699         section which begins with that.
9700         * layout.h (class Layout): Update add_output_section_data
9701         declaration.  Add relro_segment_ field.
9702         * output.cc (Output_section::Output_section): Initialize is_relro_
9703         and is_relro_local_ fields.
9704         (Output_segment::add_output_section): Group relro sections.
9705         (Output_segment::is_first_section_relro): New function.
9706         (Output_segment::maximum_alignment): If there is a relro section,
9707         align the segment to the common page size.
9708         (Output_segment::set_section_addresses): Track whether we are
9709         looking at relro sections.  If the last section is a relro
9710         section, align to the common page size.
9711         (Output_segment::set_section_list_addresses): Add in_relro
9712         parameter.  Change all callers.  Align to the page size when
9713         moving from relro to non-relro section.
9714         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9715         segment.
9716         * output.h (class Output_section): Add is_relro_ and
9717         is_relro_local_ fields.
9718         (Output_section::is_relro): New function.
9719         (Output_section::set_is_relro): New function.
9720         (Output_section::is_relro_local): New function.
9721         (Output_section::set_is_relro_local): New function.
9722         (class Output_segment): Update declarations.
9723         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9724         * sparc.cc (Target_sparc::got_section): Likewise.
9725         * x86_64.cc (Target_x86_64::got_section): Likewise.
9726         * testsuite/relro_test_main.cc: New file.
9727         * testsuite/relro_test.cc: New file.
9728         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9729         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9730         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9731         (relro_test.so, relro_test_pic.o): New targets.
9732         * testsuite/Makefile.in: Rebuild.
9734 2008-05-16  Ian Lance Taylor  <iant@google.com>
9736         * output.cc (Output_segment::add_output_section): Remove front
9737         parameter.
9738         * output.h (class Output_segment): Remove
9739         add_initial_output_section and overloaded add_output_section.
9740         Update declaration of remaining add_output_section.
9741         * layout.cc (Layout::create_interp): Call add_output_section
9742         rather than add_initial_output_section.
9743         (Layout::finish_dynamic_section): Likewise.
9745         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9746         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9747         know the dynamic type.
9748         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9749         field.  Initialize it in constructor.
9750         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9751         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9752         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9753         reloc.
9755         * output.cc (Output_reloc::get_address): Change return type to
9756         Elf_Addr.
9757         * output.h (class Output_reloc): Update get_address declaration.
9758         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9759         for section addresses.
9761 2008-05-09  Ian Lance Taylor  <iant@google.com>
9763         PR 6493
9764         * gold.cc (gold_nomem): Use return value of write.
9766 2008-05-08  Ian Lance Taylor  <iant@google.com>
9768         * symtab.c (Symbol::init_base_output_data): Add version
9769         parameter.  Change all callers.
9770         (Symbol::init_base_output_segment): Likewise.
9771         (Symbol::init_base_constant): Likewise.
9772         (Symbol::init_base_undefined): Likewise.
9773         (Sized_symbol::init_output_data): Likewise.
9774         (Sized_symbol::init_output_segment): Likewise.
9775         (Sized_symbol::init_constant): Likewise.
9776         (Sized_symbol::init_undefined): Likewise.
9777         (Symbol_table::do_define_in_output_data): If the new symbol has a
9778         version, mark it as the default.
9779         (Symbol_table::do_define_in_output_segment): Likewise.
9780         (Symbol_table::do_define_as_constant): Likewise.
9781         * symtab.h (class Symbol): Update declarations.
9782         (class Sized_symbol): Likewise.
9783         * resolve.cc (Symbol::override_version): New function.
9784         (Symbol::override_base): Call override_version.
9785         (Symbol::override_base_with_special): Likewise.
9786         * testsuite/ver_script_8.script: New file.
9787         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9788         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9789         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9790         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9792 2008-05-06  Ian Lance Taylor  <iant@google.com>
9794         PR 6049
9795         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9796         functions.
9797         (class General_options): Remove existing --undefined, and add
9798         --no-undefined instead.  Add new --undefined as synonym for -u.
9799         * archive.cc (Archive::add_symbols): Check whether symbol was
9800         named with -u.
9801         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9802         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9803         all uses.  Add IS_UNDEFINED.  Update declarations to split
9804         different versions of init_base.  Declare init_base_undefined.
9805         (Symbol::is_defined): Handle IS_UNDEFINED.
9806         (Symbol::is_undefined): Likewise.
9807         (Symbol::is_weak_undefined): Call is_undefined.
9808         (Symbol::is_absolute): Handle IS_CONSTANT.
9809         (class Sized_symbol): Update declarations to split different
9810         versions of init.  Declare init_undefined.
9811         (class Symbol_table): Declare new functions.
9812         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9813         Change all callers.
9814         (Symbol::init_base_output_data): Likewise.
9815         (Symbol::init_base_output_segment): Likewise.
9816         (Symbol::init_base_constant): Likewise.
9817         (Symbol::init_base_undefined): New function.
9818         (Sized_symbol::init_object): Rename from init.  Change all
9819         callers.
9820         (Sized_symbol::init_output_data): Likewise.
9821         (Sized_symbol::init_output_segment): Likewise.
9822         (Sized_symbol::init_constant): Likewise.
9823         (Sized_symbol::init_undefined): New function.
9824         (Symbol_table::add_undefined_symbols_from_command_line): New
9825         function.
9826         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9827         function.
9828         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9829         (Symbol::output_section): Likewise.
9830         (Symbol::set_output_section): Likewise.
9831         (Symbol_table::sized_finalize_symbol): Likewise.
9832         (Symbol_table::sized_write_globals): Likewise.
9833         * resolve.cc (Symbol_table::should_override): Likewise.
9834         (Symbol::override_base_with_special): Likewise.
9836         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9837         symbol, change it to have default visibility.
9838         * testsuite/protected_1.cc: New file.
9839         * testsuite/protected_2.cc: New file.
9840         * testsuite/protected_3.cc: New file.
9841         * testsuite/protected_main_1.cc: New file.
9842         * testsuite/protected_main_2.cc: New file.
9843         * testsuite/protected_main_3.cc: New file.
9844         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9845         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9846         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9847         (protected_1.so): New target.
9848         (protected_1_pic.o, protected_2_pic.o): New targets.
9849         (protected_3_pic.o): New target.
9850         (check_PROGRAMS): Add protected_2.
9851         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9852         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9853         * testsuite/Makefile.in: Rebuild.
9855         * options.h (DEFINE_var): Add set_user_set_##varname__.
9856         (DEFINE_bool_alias): New macro.
9857         (class General_options): Define -Bstatic using DEFINE_bool_alias
9858         rather than DEFINE_special.  Add --undefined as an alias for -z
9859         defs.
9860         * options.cc (General_options::parse_Bstatic): Remove.
9862         * options.h (class General_options): Add --fatal-warnings.
9863         * main.cc (main): Implement --fatal-warnings.
9864         * errors.h (Errors::warning_count): New function.
9866         * options.h (class General_options): Add -Bsymbolic-functions.
9867         * symtab.h (Symbol::is_preemptible): Check for
9868         -Bsymbolic-functions.
9870 2008-05-05  Ian Lance Taylor  <iant@google.com>
9872         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9873         as noVARNAME rather than no-VARNAME.
9874         (class General_options): Add option -z combreloc.
9875         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9876         get_address.
9877         (Output_reloc::sort_before) [SHT_REL]: New function.
9878         (Output_reloc::sort_before) [SHT_RELA]: New function.
9879         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9880         Sort_relocs_comparison.
9881         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9882         parameter.  Change all callers.
9883         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9884         sort_relocs parameter.  Change all callers.
9885         * output.cc (Output_reloc::get_address): New function, broken out
9886         of write_rel.
9887         (Output_reloc::write_rel): Call it.
9888         (Output_reloc::compare): New function.
9889         (Output_data_reloc_base::do_write): Optionally sort relocs.
9891         * configure.ac: If targ_extra_obj is set, link it in.
9892         * configure.tgt: Initialize all variables.
9893         (x86_64*): Set targ_extra_obj and targ_extra_size.
9894         * configure: Rebuild.
9896         * object.cc (Sized_relobj::include_section_group): Adjust section
9897         indexes read from group data.  Build vector to pass to
9898         layout_group.
9899         * layout.cc (Layout::layout_group): Add flags and shndxes
9900         parameters.  Remove contents parameter.  Change caller.  Update
9901         explicit instantiations.
9902         * layout.h (class Layout): Update layout_group declaration.
9903         * output.cc (Output_data_group::Output_data_group): Add flags and
9904         input_shndxes parameters.  Remove contents parameter.  Change
9905         caller.
9906         (Output_data_group::do_write): Change input_sections_ to
9907         input_shndxes_.
9908         * output.h (class Output_data_group): Update constructor
9909         declaration.  Rename input_sections_ to input_shndxes_.
9910         * testsuite/many_sections_test.cc: Add template.
9912 2008-04-30  Cary Coutant  <ccoutant@google.com>
9914         * target-reloc.h (relocate_section): Fix dead-pointer bug.
9916         * layout.cc (Layout::include_section): Refactored check for debug
9917         info section.
9918         (Layout::add_comdat): Add new parameters.  Change type
9919         of signature parameter.  Add object and shndx to signatures table.
9920         (Layout::find_kept_object): New function.
9921         * layout.h: Include <cstring>.
9922         (Layout::is_debug_info_section): New function.
9923         (Layout::add_comdat): Add new parameters.
9924         (Layout::find_kept_object): New function.
9925         (Layout::Kept_section): New struct.
9926         (Layout::Signatures): Change type of map range.
9927         * object.cc (Relobj::output_section_address): New function.
9928         (Sized_relobj::include_section_group): Add new parameters.  Change
9929         calls to Layout::add_comdat.  Change to build table of kept comdat
9930         groups and table mapping discarded sections to kept sections.
9931         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
9932         (Sized_relobj::do_layout): Change calls to include_section_group and
9933         include_linkonce_section.
9934         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
9935         value to zero when section is discarded.
9936         (Sized_relobj::map_to_kept_section): New function.
9937         * object.h (Relobj::output_section_address): New function.
9938         (Relobj::Comdat_group): New type.
9939         (Relobj::find_comdat_group): New function.
9940         (Relobj::Comdat_group_table): New type.
9941         (Relobj::Kept_comdat_section): New type.
9942         (Relobj::Kept_comdat_section_table): New type.
9943         (Relobj::add_comdat_group): New function.
9944         (Relobj::set_kept_comdat_section): New function.
9945         (Relobj::get_kept_comdat_section): New function.
9946         (Relobj::comdat_groups_): New field.
9947         (Relobj::kept_comdat_sections_): New field.
9948         (Symbol_value::input_value): Update comment.
9949         (Sized_relobj::map_to_kept_section) New function.
9950         (Sized_relobj::include_linkonce_section): Add new parameter.
9951         * target-reloc.h (Comdat_behavior): New type.
9952         (get_comdat_behavior): New function.
9953         (relocate_section): Add code to map a discarded section to the
9954         corresponding kept section when applying a relocation.
9956 2008-04-30  Craig Silverstein  <csilvers@google.com>
9958         * dwarf_reader.cc (next_generation_count): New static var.
9959         (Addr2line_cache_entry): New struct.
9960         (addr2line_cache): New static var.
9961         (Dwarf_line_info::one_addr2line): Added caching.
9962         (Dwarf_line_info::clear_addr2line_cache): New function.
9963         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
9964         cache-size parameter.
9965         (Dwarf_line_info::one_addr2line_cache): New function.
9966         * symtab.cc (Symbol_table::detect_odr_violations): Pass
9967         new cache-size argument to one_addr2line(), and clear cache.
9969 2008-04-28  Cary Coutant  <ccoutant@google.com>
9971         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
9972         R_386_PC8 relocations.
9974 2008-04-23  Ian Lance Taylor  <iant@google.com>
9976         * object.cc (Sized_relobj::include_section_group): Check for
9977         invalid section group.
9979         * object.cc (make_elf_object): Correct test for 64-bit ELF file
9980         header size.
9982         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
9983         than read for file header.
9984         * archive.cc (Archive::include_member): Likewise.
9986 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
9988         * aclocal.m4: Regenerate.
9989         * configure: Regenerate.
9991 2008-04-19  Ian Lance Taylor  <iant@google.com>
9993         * version.cc (version_string): Bump to 1.6.
9995         * testsuite/Makefile.am (many_sections_r_test): New target.
9996         (many_sections_r_test_SOURCES): Remove.
9997         (many_sections_r_test_DEPENDENCIES): Remove.
9998         (many_sections_r_test_LDFLAGS): Remove.
9999         (many_sections_r_test_LDADD): Remove.
10001         * object.cc (Sized_relobj::do_add_symbols): Always pass
10002         local_symbol_count_ to add_from_relobj.
10004         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10005         every thousand variables.
10006         * testsuite/Makefile.in: Rebuild.
10008         * object.cc (Xindex::initialize_symtab_xindex): New function.
10009         (Xindex::read_symtab_xindex): New function.
10010         (Xindex::sym_xindex_to_shndx): New function.
10011         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10012         available.
10013         (Sized_relobj::do_initialize_xindex): New function.
10014         (Sized_relobj::do_read_symbols): Adjust section links.
10015         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10016         parameter.  Change all callers.
10017         (Sized_relobj::include_section_group): Adjust section links and
10018         symbol section indexes.
10019         (Sized_relobj::do_layout): Adjust section links.
10020         (Sized_relobj::do_count_local_symbols): Adjust section links and
10021         symbol section indexes.
10022         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10023         ordinary and special symbols.
10024         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10025         dynsym_xindex parameters.  Change all callers.  Adjust section
10026         links.  Use SHN_XINDEX when needed.
10027         (Sized_relobj::get_symbol_location_info): Adjust section links.
10028         Don't get fooled by special symbols.
10029         * object.h (class Xindex): Define.
10030         (class Object): Add xindex_ parameter.  Declare virtual functoin
10031         do_initialize_xindex.
10032         (Object::adjust_sym_shndx): New function.
10033         (Object::set_xindex): New protected function.
10034         (class Symbol_value): Add is_ordinary_shndx_ field.
10035         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10036         (Symbol_value::value): Assert ordinary section.
10037         (Symbol_value::initialize_input_to_output_map): Likewise.
10038         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10039         Change all callers.
10040         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10041         all callers.
10042         (class Sized_relobj): Update declarations.
10043         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10044         parameter.  Change all callers.
10045         (Sized_relobj::adjust_shndx): New function.
10046         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10047         field.
10048         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10049         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10050         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10051         (Sized_dynobj::read_dynsym_section): Adjust section links.
10052         (Sized_dynobj::read_dynamic): Likewise.
10053         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10054         section links.
10055         (Sized_dynobj::do_initialize_xindex): New function.
10056         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10057         do_initialize_xindex.
10058         (Sized_dynobj::adjust_shndx): New function.
10059         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10060         dynsym_xindex_ fields.
10061         (Layout::finalize): Add a call to set_section_indexes before
10062         creating the symtab sections.
10063         (Layout::set_section_indexes): Don't do anything if the section
10064         already has a section index.
10065         (Layout::create_symtab_sections): Add shnum parameter.  Change
10066         caller.  Create .symtab_shndx section if needed.
10067         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10068         caller.
10069         (Layout::allocated_output_section_count): New function.
10070         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10071         needed.
10072         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10073         fields.  Update declarations.
10074         (Layout::symtab_xindex): New function.
10075         (Layout::dynsym_xindex): New function.
10076         (class Write_symbols_task): Add layout_ field.
10077         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10078         Change caller.
10079         * output.cc (Output_section_headers::Output_section_headers): Add
10080         shstrtab_section parameter.  Change all callers.
10081         (Output_section_headers::do_sized_write): Store overflow values
10082         for section count and section string table section index in
10083         section header zero.
10084         (Output_file_header::do_sized_write): Check for overflow of
10085         section count and section string table section index.
10086         (Output_symtab_xindex::do_write): New function.
10087         (Output_symtab_xindex::endian_do_write): New function.
10088         * output.h (class Output_section_headers): Add shstrtab_section_.
10089         Update declarations.
10090         (class Output_symtab_xindex): Define.
10091         (Output_section::has_out_shndx): New function.
10092         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10093         field.
10094         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10095         Change all callers.
10096         (Sized_symbol::init): Likewise.
10097         (Symbol::output_section): Check for ordinary symbol.
10098         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10099         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10100         callers.
10101         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10102         Change all callers.  Simplify handling of symbols from sections
10103         not included in the link.
10104         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10105         distinction.
10106         (Weak_alias_sorter::operator()): Assert that symbols are
10107         ordinary.
10108         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10109         distinction.
10110         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10111         parameters.  Change all callers.
10112         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10113         symbol distinction.  Use SHN_XINDEX when needed.
10114         (Symbol_table::write_section_symbol): Add symtab_xindex
10115         parameter.  Change all callers.
10116         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10117         SHN_XINDEX when needed.
10118         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10119         declarations.
10120         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10121         (Symbol::is_defined): Check is_ordinary.
10122         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10123         (Symbol::is_absolute, Symbol::is_common): Likewise.
10124         (class Sized_symbol): Update declarations.
10125         (class Symbol_table): Update declarations.
10126         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10127         parameters.  Change all callers.
10128         (Sized_symbol::override): Likewise.
10129         (Symbol_table::override): Likewise.
10130         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10131         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10132         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10133         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10134         to be in an ordinary section.
10135         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10136         object and is_ordinary parameters.  Change all callers.
10137         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10138         Change all callers.  Don't add undefined or non-ordinary symbols
10139         to reloc_map_.
10140         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10141         Change all callers.
10142         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10143         declarations.
10144         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10145         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10146         (Sized_relobj::relocate_sections): Likewise.
10147         * target-reloc.h (scan_relocs): Adjust section symbol index.
10148         (scan_relocatable_relocs): Likewise.
10149         * i386.cc (Scan::local): Check for ordinary symbols.
10150         * sparc.cc (Scan::local): Likewise.
10151         * x86_64.cc (Scan::local): Likewise.
10152         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10153         to symbol_section_and_value.
10154         * testsuite/many_sections_test.cc: New file.
10155         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10156         (check_PROGRAMS): Add many_sections_test.
10157         (many_sections_test_SOURCES): Define.
10158         (many_sections_test_DEPENDENCIES): Define.
10159         (many_sections_test_LDFLAGS): Define.
10160         (BUILT_SOURCES): Add many_sections_define.h.
10161         (many_sections_define.h): New target.
10162         (BUILT_SOURCES): Add many_sections_check.h.
10163         (many_sections_check.h): New target.
10164         (check_PROGRAMS): Add many_sections_r_test.
10165         (many_sections_r_test_SOURCES): Define.
10166         (many_sections_r_test_DEPENDENCIES): Define.
10167         (many_sections_r_test_LDFLAGS): Define.
10168         (many_sections_r_test_LDADD): Define.
10169         (many_sections_r_test.o): New target.
10170         * testsuite/Makefile.in: Rebuild.
10172 2008-04-17  Cary Coutant  <ccoutant@google.com>
10174         * errors.cc (Errors::info): New function.
10175         (gold_info): New function.
10176         * errors.h (Errors::info): New function.
10177         * gold.h (gold_info): New function.
10178         * object.cc (Input_objects::add_object): Print trace output.
10179         * options.cc (options::parse_set): New function.
10180         (General_options::parse_wrap): Deleted.
10181         (General_options::General_options): Deleted initializer.
10182         * options.h (options::String_set): New typedef.
10183         (options::parse_set): New function.
10184         (DEFINE_set): New macro.
10185         (General_options::wrap): Changed to use DEFINE_set. Changed
10186         callers of any_wrap_symbols and is_wrap_symbol.
10187         (General_options::trace, General_options::trace_symbol):
10188         New options.
10189         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10190         (General_options::wrap_symbols_): Deleted.
10191         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10193 2008-04-17  David S. Miller  <davem@davemloft.net>
10195         * options.cc (General_options::parse_V): New function.
10196         * options.h: Add entries for -V and -Qy.
10198 2008-04-17  Ian Lance Taylor  <iant@google.com>
10200         * common.cc (Symbol_table::allocate_commons): Remove options
10201         parameter.  Change caller.
10202         (Symbol_table::do_allocate_commons): Remove options parameter.
10203         Change caller.  Just call do_allocate_commons_list twice.
10204         (Symbol_table::do_allocate_commons_list): New function, broken out
10205         of do_allocate_commons.
10206         * common.h (class Allocate_commons_task): Remove options_ field.
10207         Update constructor.
10208         * symtab.cc (Symbol_table::Symbol_table): Initialize
10209         tls_commons_.
10210         (Symbol_table::add_from_object): Put TLS common symbols on
10211         tls_commons_ list.
10212         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10213         which are IN_OUTPUT_DATA.
10214         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10215         allocate_commons and do_allocate_commons declarations.  Declare
10216         do_allocate_commons_list.
10217         * gold.cc (queue_middle_tasks): Update creation of
10218         Allocate_commons_task to not pass options.
10219         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10220         (TLS_TEST_C_FLAGS): New variable.
10221         (tls_test_c_pic.o): New target.
10222         (tls_test_shared.so): Link in tls_test_c_pic.o.
10223         (tls_test_c_pic_ie.o): New target.
10224         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10225         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10226         (tls_test_c.o): New target.
10227         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10228         (tls_pic_test_LDADD): Likewise.
10229         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10230         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10231         (tls_test_c_gnu2.o): New target.
10232         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10233         tls_test_c_gnu2.o.
10234         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10235         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10236         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10237         * testsuite/tls_test.cc: Include "config.h".
10238         (t_last): Call t11_last.
10239         * testsuite/tls_test.h (t11, t11_last): Declare.
10240         * testsuite/tls_test_c.c: New file.
10241         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10242         * configure.ac: Check for OpenMP support.
10243         * configure, config.in, Makefile.in: Rebuild.
10244         * testsuite/Makefile.in: Rebuild.
10246 2008-04-16  Cary Coutant  <ccoutant@google.com>
10248         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10249         (Target_i386::tls_base_symbol_defined_): New field.
10250         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10251         (Target_i386::Scan::global): Likewise.
10252         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10253         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10254         (Target_x86_64::tls_base_symbol_defined_): New field.
10255         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10256         (Target_x86_64::Scan::global): Likewise.
10258 2008-04-16  Cary Coutant  <ccoutant@google.com>
10260         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10261         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10262         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10263         building shared libraries.
10264         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10265         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10266         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10267         * testsuite/Makefile.in: Rebuild.
10268         * testsuite/weak_undef.h: New file.
10269         * testsuite/weak_undef_file1.cc: Add extra test cases.
10270         * testsuite/weak_undef_file2.cc: Likewise.
10271         * testsuite/weak_undef_test.cc: Likewise.
10273 2008-04-16  David S. Miller  <davem@davemloft.net>
10275         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10276         Add issued_non_pic_error_ field.  Declare check_non_pic.
10277         (Target_sparc::Scan::check_non_pic): New function.
10278         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10279         (Target_sparc::Scan::global): Likewise.
10281         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10282         * configure: Rebuild.
10284         * options.h (DEFINE_enable): New macro.
10285         (new_dtags): New enable option.
10286         (initfirst, interpose, loadfltr, nodefaultlib,
10287         nodelete, nodlopen, nodump): New -z options.
10288         * layout.cc (Layout:finish_dynamic_section): If new
10289         dtags enabled, emit DT_RUNPATH.  Also, emit a
10290         DT_FLAGS_1 containing any specified -z flags.
10292 2008-04-16  Ian Lance Taylor  <iant@google.com>
10294         * copy-relocs.cc: New file.
10295         * copy-relocs.h: New file.
10296         * reloc.cc: Remove Copy_relocs code.
10297         * reloc.h: Likewise.
10298         * reloc-types.h (struct Reloc_types) [both versions]: Add
10299         get_reloc_addend_noerror.
10300         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10301         variants of add_global which take an addend which must be zero.
10302         * i386.cc: Include "copy-relocs.h".
10303         (class Target_i386): Change type of copy_relocs_ to variable,
10304         update initializer.
10305         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10306         Change all callers.
10307         (Target_i386::do_finalize_sections): Change handling of
10308         copy_relocs_.
10309         * sparc.cc: Include "copy-relocs.h".
10310         (class Target_sparc): Change type of copy_relocs_ to variable,
10311         update initializer.
10312         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10313         Change all callers.
10314         (Target_sparc::do_finalize_sections): Change handling of
10315         copy_relocs_.
10316         * x86_64.cc: Include "copy-relocs.h".
10317         (class Target_x86_64): Change type of copy_relocs_ to variable,
10318         update initializer.
10319         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10320         class.  Change all callers.
10321         (Target_x86_64::do_finalize_sections): Change handling of
10322         copy_relocs_.
10323         * Makefile.am (CCFILES): Add copy-relocs.cc.
10324         (HFILES): Add copy-relocs.h.
10326         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10328         * testsuite/script_test_4.sh: Permit leading zeroes.
10330 2008-04-15  Ian Lance Taylor  <iant@google.com>
10332         * script-sections.cc (Script_sections::create_segments): Use
10333         header_size_adjustment even when there is enough room for the
10334         headers.
10335         * testsuite/script_test_4.sh: New file.
10336         * testsuite/script_test_4.t: New file.
10337         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10338         (check_DATA): Add script_test_4.stdout.
10339         (MOSTLYCLEANFILES): Likewise.
10340         (script_test_4): New target.
10341         (script_test_4.stdout): New target.
10342         * testsuite/Makefile.in: Rebuild.
10344         * sparc.cc: Add definitions for Output_data_plt_sparc class
10345         constants.
10347 2008-04-14  David S. Miller  <davem@davemloft.net>
10349         * sparc.cc: New file.
10350         * Makefile.am (TARGETSOURCES): Add sparc.cc
10351         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10352         * configure.tgt: Document targ_extra_size and
10353         targ_extra_big_endian.  Add entries for sparc-* and
10354         sparc64-*.
10355         * configure.ac: Handle targ_extra_size and
10356         targ_extra_big_endian.
10357         * Makefile.in: Rebuild.
10358         * configure: Likewise.
10359         * po/POTFILES.in: Likewise.
10360         * po/gold.pot: Likewise.
10362 2008-04-14  Ian Lance Taylor  <iant@google.com>
10364         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10365         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10366         in the name/type/flags to section mapping.  Don't call
10367         allocate_output_section.
10368         (Layout::choose_output_section): Change parameter from adjust_name
10369         to is_input_section.  Don't permit input sections after sections
10370         are attached to segments.  Don't call allocate_output_section.
10371         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10372         not write_enable_output_section.
10373         (Layout::make_output_section): Don't push to
10374         unattached_section_list_ nor call attach_to_segment.  Call
10375         attach_section_to_segment if sections are attached.
10376         (Layout::attach_sections_to_segments): New function.
10377         (Layout::attach_section_to_segment): New function.
10378         (Layout::attach_allocated_section_to_segment): Rename from
10379         attach_to_segment.  Remove flags parameter.
10380         (Layout::allocate_output_section): Remove function.
10381         (Layout::write_enable_output_section): Remove function.
10382         * layout.h (class Layout): Update for above changes.  Add new
10383         field sections_are_attached_.
10384         * output.h (Output_section::update_flags_for_input_section): New
10385         function.
10386         * output.cc (Output_section::add_input_section): Call
10387         update_flags_for_input_section.
10388         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10390 2008-04-11  Cary Coutant  <ccoutant@google.com>
10392         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10393         thought unnecessary.
10394         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10396 2008-04-11  Ian Lance Taylor  <iant@google.com>
10398         * output.h (class Output_section_data): Remove inline definition
10399         of set_addralign.
10400         * output.cc (Output_section_data::set_addralign): New function.
10402 2008-04-11  Cary Coutant  <ccoutant@google.com>
10404         Add support for TLS descriptors for i386 and x86_64.
10405         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10406         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10407         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10408         GOT_TYPE_TLS_DESC.
10409         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10410         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10411         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10412         relocations.
10413         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10414         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10415         Fix problem with initial-exec relocations.
10416         (Target_i386::Relocate::relocate_tls): Likewise.
10417         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10418         relaxation.
10419         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10420         support for section-plus-offset dynamic table entries.
10421         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10422         (Output_data_dynamic::Dynamic_entry): Add support for
10423         section-plus-offset dynamic table entries.
10424         (Output_data_dynamic::Classification): Likewise.
10425         (Output_data_dynamic::classification_): Renamed offset_.
10426         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10427         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10428         (Target_x86_64::make_plt_section): New function.
10429         (Target_x86_64::reserve_tlsdesc_entries): New function.
10430         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10431         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10432         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10433         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10434         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10435         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10436         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10437         add extra PLT entry for TLS descriptors.
10438         (Output_data_plt_x86_64::got_): New field.
10439         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
10440         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
10441         fields.
10442         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
10443         descriptors.
10444         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
10445         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
10446         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
10447         R_386_TLS_DESC_CALL relocations.
10448         (Target_x86_64::Scan::global): Likewise.
10449         (Target_x86_64::do_finalize_sections): Add dynamic table entries
10450         for TLS descriptors.
10451         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
10452         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
10453         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
10454         GD-to-IE relaxation.
10455         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
10456         and TLS_DESCRIPTORS.
10457         * Makefile.in: Rebuild.
10458         * configure: Rebuild.
10459         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
10460         (tls_test_shared2.so): New target.
10461         (tls_shared_gd_to_ie_test_SOURCES): New variable.
10462         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
10463         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
10464         (tls_shared_gd_to_ie_test_LDADD): New variable.
10465         (tls_shared_gnu2_gd_to_ie_test): New target.
10466         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
10467         New targets.
10468         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
10469         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
10470         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
10471         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
10472         (tls_shared_gnu2_test): New target.
10473         (tls_test_gnu2_shared.so): New target.
10474         (tls_shared_gnu2_test_SOURCES): New variable.
10475         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
10476         (tls_shared_gnu2_test_LDFLAGS): New variable.
10477         (tls_shared_gnu2_test_LDADD): New variable.
10478         * testsuite/Makefile.in: Rebuild.
10479         * testsuite/Makefile.
10481 2008-04-11  Ian Lance Taylor  <iant@google.com>
10483         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
10484         justsyms.t.
10485         * testsuite/Makefile.in: Rebuild.
10487         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
10488         long.
10489         * testsuite/script_test_2.cc (main): Adjust test.
10491 2008-04-11  David S. Miller  <davem@davemloft.net>
10492             Ian Lance Taylor  <iant@google.com>
10494         * options.h (General_options): Add entries for '-Y' and
10495         '-relax'.
10496         * options.cc (General_options:finalize): If -Y was used, add those
10497         entries to the library path instead of the default "/lib" and
10498         "/usr/lib".
10500 2008-04-11  David S. Miller  <davem@davemloft.net>
10502         * testsuite/justsyms.t: Start at 0x100.
10503         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
10504         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
10505         long.
10506         * testsuite/script_test_2.cc: Adjust string and section length
10507         checks.
10509 2008-04-09  Ian Lance Taylor  <iant@google.com>
10511         PR gold/5996
10512         * script-sections.cc (Sections_element::allocate_to_segment): Add
10513         orphan parameter.
10514         (Output_section_definition::allocate_to_segment): Likewise.
10515         (Orphan_output_section::allocate_to_segment): Likewise.
10516         (Script_sections::attach_sections_using_phdrs_clause): Don't
10517         propagate non-PT_LOAD segments to orphan sections.
10518         * testsuite/Makefile.am (script_test_3.stdout): Generate using
10519         readelf rather than objdump.
10520         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
10521         .interp section and PT_INTERP segment are the same size.
10522         * testsuite/Makefile.in: Rebuild.
10524         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
10525         aliases for symbols defined in the same object.
10526         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
10527         (weak_alias_test_SOURCES): New variable.
10528         (weak_alias_test_DEPENDENCIES): New variable.
10529         (weak_alias_test_LDFLAGS): New variable.
10530         (weak_alias_test_LDADD): New variable.
10531         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
10532         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
10533         (weak_alias_test_3.o): New target.
10534         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
10535         * testsuite/weak_alias_test_main.cc: New file.
10536         * testsuite/weak_alias_test_1.cc: New file.
10537         * testsuite/weak_alias_test_2.cc: New file.
10538         * testsuite/weak_alias_test_3.cc: New file.
10540 2008-04-08  Ian Lance Taylor  <iant@google.com>
10542         * options.h (class General_options): Add --noinhibit-exec option.
10543         * main.cc (main): Check --noinhibit-exec.
10545         * options.h (class General_options): Define --wrap as a special
10546         option.  Add wrap_symbols_ field.
10547         (General_options::any_wrap_symbols): New function.
10548         (General_options::is_wrap_symbol): New function.
10549         * options.cc (General_options::parse_wrap): New function.
10550         (General_options::General_options): Initialize wrap_symbols_.
10551         * symtab.cc (Symbol_table::wrap_symbol): New function.
10552         (Symbol_table::add_from_object): Handle --wrap.
10553         * symtab.h (class Symbol_table): Declare wrap_symbol.
10554         * target.h (Target::wrap_char): New function.
10555         (Target::Target_info): Add wrap_char field.
10556         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
10557         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10558         * testsuite/testfile.cc (Target_test::test_target_info):
10559         Likewise.
10561         * errors.cc (Errors::undefined_symbol): Mention symbol version if
10562         there is one.
10564         * layout.h (class Layout): Add added_eh_frame_data_ field.
10565         * layout.cc (Layout::Layout): Initialize new field.
10566         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
10567         output section until we find a section we merged successfully.
10568         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
10569         that the size be non-zero.
10571         * merge.cc (Object_merge_map::get_output_offset): Remove inline
10572         qualifier.
10574 2008-04-08  Craig Silverstein  <csilvers@google.com>
10576         * configure.ac: Export new conditional variable HAVE_ZLIB.
10577         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
10578         on HAVE_ZLIB.
10579         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
10580         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10582 2008-04-07  Ian Lance Taylor  <iant@google.com>
10584         * version.cc (version_string): Set to "1.5".
10586         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
10587         Add issued_non_pic_error_ field.  Declare check_non_pic.
10588         (Target_x86_64::Scan::check_non_pic): New function.
10589         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
10590         (Target_x86_64::Scan::global): Likewise.
10592         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
10593         addend parameter.  Change caller.  Handle merge sections.
10594         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
10595         Address to Addend.  Don't add in the result of
10596         local_section_offset, pass down the addend and use the returned
10597         value.
10598         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10599         Update declarations of local_section_offset and symbol_value.
10600         * testsuite/two_file_test_1.cc (t18): New function.
10601         * testsuite/two_file_test_2.cc (f18): New function.
10602         * testsuite/two_file_test_main.cc (main): Call t18.
10603         * testsuite/two_file_test.h (t18, f18): Declare.
10605         * configure.ac: Don't test for objdump, c++filt, or readelf.
10606         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10607         conditionals.
10608         (TEST_READELF): New variable.
10609         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10610         (check_PROGRAMS): Add two_file_strip_test.
10611         (two_file_strip_test): New target.
10612         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10613         (two_file_same_shared_strip_test_SOURCES): New variable.
10614         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10615         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10616         (two_file_same_shared_strip_test_LDADD): New variable.
10617         (two_file_shared_strip.so): New target.
10618         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10619         (ver_test_5.syms, ver_test_7.syms): Likewise.
10620         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10621         (strip_test_3.stdout): Use TEST_OBJDUMP.
10622         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10624 2008-04-04  Cary Coutant  <ccoutant@google.com>
10626         * symtab.h (Symbol::is_weak_undefined): New function.
10627         (Symbol::is_strong_undefined): New function.
10628         (Symbol::is_absolute): New function.
10629         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10630         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10631         absolute symbols.
10632         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10633         (weak_undef_test): New target.
10634         * testsuite/Makefile.in: Rebuild.
10635         * testsuite/weak_undef_file1.cc: New file.
10636         * testsuite/weak_undef_file2.cc: New file.
10637         * testsuite/weak_undef_test.cc: New file.
10639 2008-04-03  Craig Silverstein  <csilvers@google.com>
10641         * compressed_output.h (class Output_compressed_section): Use
10642         unsigned buffer.
10643         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10644         add zlib header.
10645         (zlib_compressed_suffix): Removed.
10646         (Output_compressed_section::set_final_data_size): Use unsigned
10647         buffers.
10648         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10649         Fix linker invocation.
10650         (flagstest_o_specialfile_and_compress_debug_sections):
10651         Likewise.
10652         * testsuite/Makefile.in: Regenerated.
10654 2008-04-02  David S. Miller  <davem@davemloft.net>
10656         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10657         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10659 2008-04-02  Craig Silverstein  <csilvers@google.com>
10661         * TODO: New file.
10663 2008-04-02  Ian Lance Taylor  <iant@google.com>
10665         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10666         parameters.  Update for new key type to views_.  Change all
10667         callers.
10668         (File_read::read): Adjust for byteshift in returned view.
10669         (File_read::add_view): New function, broken out of
10670         find_and_make_view.
10671         (File_read::make_view): New function, broken out of
10672         find_and_make_view.
10673         (File_read::find_or_make_view): Add offset and aligned
10674         parameters.  Rewrite accordingly.  Change all callers.
10675         (File_read::get_view): Add offset and aligned parameters.  Adjust
10676         for byteshift in return value.
10677         (File_read::get_lasting_view): Likewise.
10678         * fileread.h (class File_read): Update declarations.
10679         (class File_read::View): Add byteshift_ field.  Add byteshift to
10680         constructor.  Add byteshift method.
10681         * archive.h (Archive::clear_uncached_views): New function.
10682         (Archive::get_view): Add aligned parameter.  Change all callers.
10683         * object.h (Object::get_view): Add aligned parameter.  Change all
10684         callers.
10685         (Object::get_lasting_view): Likewise.
10687         * fileread.cc (File_read::release): Don't call clear_views if
10688         there are multiple objects.
10689         * fileread.h (File_read::clear_uncached_views): New function.
10690         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10691         on the archive.
10693 2008-03-31  Cary Coutant  <ccoutant@google.com>
10695         Add thin archive support.
10696         * archive.cc (Archive::armagt): New const.
10697         (Archive::setup): Remove task parameter and calls to unlock.
10698         (Archive::unlock_nested_archives): New function.
10699         (Archive::read_header): Add nested_off parameter. Change
10700         all callers.
10701         (Archive::interpret_header): Likewise.
10702         (Archive::include_all_members): Change to handle thin
10703         archives.
10704         (Archive::include_member): Likewise.
10705         * archive.h (Archive::Archive): Add new parameters and
10706         initializers.
10707         (Archive::armagt): New const.
10708         (Archive::setup): Remove task parameter.
10709         (Archive::unlock_nested_archives): New function.
10710         (Archive::read_header): Add nested_off parameter.
10711         (Archive::interpret_header): Likewise.
10712         (Archive::Nested_archive_table): New typedef.
10713         (Archive::is_thin_archive_): New field.
10714         (Archive::nested_archives_): New field.
10715         (Archive::options_): New field.
10716         (Archive::dirpath_): New field.
10717         (Archive::task_): New field.
10718         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10719         for thin archives.  Pass additional parameters to
10720         Archive::Archive.  Unlock the archive file after calling
10721         Archive::setup.
10723 2008-03-29  Ian Lance Taylor  <iant@google.com>
10725         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10726         version symbol to be local.
10727         * testsuite/ver_test_4.sh: New file.
10728         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10729         (check_DATA): Add ver_test_4.syms.
10730         (ver_test_4.syms): New target.
10731         * testsuite/Makefile.in: Rebuild.
10733         * output.cc
10734         (Output_section::Input_section_sort_entry::has_priority): New
10735         function.
10736         (Output_section::Input_section_sort_entry::match_file_name): New
10737         function.
10738         (Output_section::Input_section_sort_entry::match_section_name):
10739         Remove.
10740         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10741         Remove.
10742         (Output_section::Input_section_sort_entry::match_section_file):
10743         Remove.
10744         (Output_section::Input_section_sort_compare::operator()): Rewrite
10745         using new Input_section_sort_entry functions.  Sort crtbegin and
10746         crtend first.  Sort sections with no priority before sections with
10747         a priority.
10748         * testsuite/initpri1.c (d3): Check j != 4.
10749         (cd5): New constructor/destructor function.
10750         (main): Check j != 2.
10752         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10753         new symbol when resolving, don't call set_is_default.
10754         * testsuite/ver_test_7.cc: New file.
10755         * testsuite/ver_test_7.sh: New file.
10756         * testsuite/Makefile.am (ver_test_7.so): New target.
10757         (ver_test_7.o): New target.
10758         (check_SCRIPTS): Add ver_test_7.sh.
10759         (check_DATA): Add ver_test_7.syms.
10760         (ver_test_7.syms): New target.
10762 2008-03-28  Ian Lance Taylor  <iant@google.com>
10764         * layout.cc (Layout::layout): If we see an input section with a
10765         name that needs sorting, set the must_sort flag for the output
10766         section.
10767         (Layout::make_output_section): If the name of the output section
10768         indicates that it might require sorting, set the may_sort flag.
10769         * output.h (Output_section::may_sort_attached_input_sections): New
10770         function.
10771         (Output_section::set_may_sort_attached_input_sections): New
10772         function.
10773         (Output_section::must_sort_attached_input_sections): New
10774         function.
10775         (Output_section::set_must_sort_attached_input_sections): New
10776         function.
10777         (class Output_section): Declare Input_section_sort_entry.  Define
10778         Input_section_sort_compare.  Declare
10779         sort_attached_input_sections.  Add new fields:
10780         may_sort_attached_input_sections_,
10781         must_sort_attached_input_sections_,
10782         attached_input_sections_are_sorted_.
10783         * output.cc (Output_section::Output_section): Initialize new
10784         fields.
10785         (Output_section::add_input_section): Add an entry to
10786         input_sections_ if may_sort or must_sort are true.
10787         (Output_section::set_final_data_size): Call
10788         sort_attached_input_sections if necessary.
10789         (Output_section::Input_section_sort_entry): Define new class.
10790         (Output_section::Input_section_sort_compare::operator()): New
10791         function.
10792         (Output_section::sort_attached_input_sections): New function.
10793         * configure.ac: Check whether the compiler supports constructor
10794         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10795         * testsuite/initpri1.c: New file.
10796         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10797         CONSTRUCTOR_PRIORITY.
10798         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10799         (initpri1_LDFLAGS): New variable.
10800         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10802 2008-03-27  Ian Lance Taylor  <iant@google.com>
10804         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10805         * testsuite/common_test_1.c: New file.
10806         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10807         (common_test_1_SOURCES): New variable.
10808         (common_test_1_DEPENDENCIES): New variable.
10809         (common_test_1_LDFLAGS): New variable.
10811         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10812         and commons_ correctly when NAME/VERSION does not override
10813         NAME/NULL.
10814         * testsuite/ver_test_6.c: New file.
10815         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10816         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10817         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10819 2008-03-26  Ian Lance Taylor  <iant@google.com>
10821         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10822         of an undefined symbol from a version script.
10823         * testsuite/Makefile.am (ver_test_5.so): New target.
10824         (ver_test_5.o): New target.
10825         (check_SCRIPTS): Add ver_test_5.sh.
10826         (check_DATA): Add ver_test_5.syms.
10827         (ver_test_5.syms): New target.
10828         * testsuite/ver_test_5.cc: New file.
10829         * testsuite/ver_test_5.script: New file.
10830         * testsuite/ver_test_5.sh: New file.
10831         * Makefile.in, testsuite/Makefile.in: Rebuild.
10833         PR gold/5986
10834         Fix problems building gold with gcc 4.3.0.
10835         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10836         (gold_error_at_location, gold_warning_at_location): Use it.
10837         * configure.ac: Check whether we can compile and use a template
10838         function with a printf attribute.
10839         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10840         when jumping over bytes.
10841         * object.cc: Instantiate Object::read_section_data.
10842         * debug.h: Include <cstring>
10843         * dwarf_reader.cc: Include <algorithm>
10844         * main.cc: Include <cstring>.
10845         * options.cc: Include <cstring>.
10846         * output.cc: Include <cstring>.
10847         * script.cc: Include <cstring>.
10848         * script.h: Include <string>.
10849         * symtab.cc: Include <cstring> and <algorithm>.
10850         * target-select.cc: Include <cstring>.
10851         * version.cc: Include <string>.
10852         * testsuite/testmain.cc: Include <cstdlib>.
10853         * configure, config.in: Rebuild.
10855 2008-03-25  Ian Lance Taylor  <iant@google.com>
10857         * options.cc: Include "../bfd/bfdver.h".
10858         (options::help): Print bug reporting address.
10860         * version.cc (print_version): Adjust output for current value of
10861         BFD_VERSION_STRING.
10863         * NEWS: New file.
10865         * options.cc (options::help): Print list of supported targets.
10866         * target-select.h: Include <vector>.
10867         (class Target_selector): Make machine_, size_, and is_big_endian_
10868         fields const.  Add bfd_name_ and instantiated_target_ fields.
10869         (Target_selector::Target_selector): Add bfd_name parameter.
10870         (Target_selector::recognize): Make non-virtual, call
10871         do_recognize.
10872         (Target_selector::recognize_by_name): Make non-virtual, call
10873         do_recognize_by_name.
10874         (Target_selector::supported_names): New function.
10875         (Target_selector::bfd_name): New function.
10876         (Target_selector::do_instantiate_target): New pure virtual
10877         function.
10878         (Target_selector::do_recognize): New virtual function.
10879         (Target_selector::do_recognize_by_name): New virtual function.
10880         (Target_selector::instantiate_target): New private function.
10881         (supported_target_names): Declare.
10882         * target-select.cc (Target_selector::Target_selector): Update for
10883         new parameter and fields.
10884         (select_target_by_name): Check that the name matches before
10885         calling recognize_by_name.
10886         (supported_target_names): New function.
10887         * i386.cc (class Target_selector_i386): Update Target_selector
10888         constructor call.  Remove recognize and recognize_by_name.  Add
10889         do_instantiate_target.
10890         * x86_64.cc (class Target_selector_x86_64): Likewise.
10891         * testsuite/testfile.cc (class Target_selector_test): Update for
10892         changes to Target_selector.
10894         * README: Rewrite, with some notes on unsupported features.
10896 2008-03-24  Cary Coutant  <ccoutant@google.com>
10898         * i386.cc (Target_i386::Got_type): New enum declaration.
10899         (Target_i386::Scan::local): Updated callers of Output_data_got
10900         member functions.
10901         (Target_i386::Scan::global): Likewise.
10902         (Target_i386::Relocate::relocate): Likewise.
10903         (Target_i386::Relocate::relocate_tls): Likewise.
10904         * object.h (Got_offset_list): New class.
10905         (Sized_relobj::local_has_got_offset): Added got_type parameter.
10906         (Sized_relobj::local_got_offset): Likewise.
10907         (Sized_relobj::set_local_got_offset): Likewise.
10908         (Sized_relobj::local_has_tls_got_offset): Removed.
10909         (Sized_relobj::local_tls_got_offset): Removed.
10910         (Sized_relobj::set_local_tls_got_offset): Removed.
10911         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
10912         * output.cc (Output_data_got::add_global): Added got_type parameter.
10913         (Output_data_got::add_global_with_rel): Likewise.
10914         (Output_data_got::add_global_with_rela): Likewise.
10915         (Output_data_got::add_global_pair_with_rel): New function.
10916         (Output_data_got::add_global_pair_with_rela): New function.
10917         (Output_data_got::add_local): Added got_type parameter.
10918         (Output_data_got::add_local_with_rel): Likewise.
10919         (Output_data_got::add_local_with_rela): Likewise.
10920         (Output_data_got::add_local_pair_with_rel): New function.
10921         (Output_data_got::add_local_pair_with_rela): New function.
10922         (Output_data_got::add_global_tls): Removed.
10923         (Output_data_got::add_global_tls_with_rel): Removed.
10924         (Output_data_got::add_global_tls_with_rela): Removed.
10925         (Output_data_got::add_local_tls): Removed.
10926         (Output_data_got::add_local_tls_with_rel): Removed.
10927         (Output_data_got::add_local_tls_with_rela): Removed.
10928         * output.h (Output_data_got::add_global): Added got_type parameter.
10929         (Output_data_got::add_global_with_rel): Likewise.
10930         (Output_data_got::add_global_with_rela): Likewise.
10931         (Output_data_got::add_global_pair_with_rel): New function.
10932         (Output_data_got::add_global_pair_with_rela): New function.
10933         (Output_data_got::add_local): Added got_type parameter.
10934         (Output_data_got::add_local_with_rel): Likewise.
10935         (Output_data_got::add_local_with_rela): Likewise.
10936         (Output_data_got::add_local_pair_with_rel): New function.
10937         (Output_data_got::add_local_pair_with_rela): New function.
10938         (Output_data_got::add_global_tls): Removed.
10939         (Output_data_got::add_global_tls_with_rel): Removed.
10940         (Output_data_got::add_global_tls_with_rela): Removed.
10941         (Output_data_got::add_local_tls): Removed.
10942         (Output_data_got::add_local_tls_with_rel): Removed.
10943         (Output_data_got::add_local_tls_with_rela): Removed.
10944         * resolve.cc (Symbol::override_base_with_special): Removed
10945         reference to has_got_offset_ field.
10946         * symtab.cc (Symbol::init_fields): Replaced initialization
10947         of got_offset_ with got_offsets_.  Removed initialization
10948         of has_got_offset_
10949         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
10950         (Symbol::got_offset): Likewise.
10951         (Symbol::set_got_offset): Likewise.
10952         (Symbol::has_tls_got_offset): Removed.
10953         (Symbol::tls_got_offset): Removed.
10954         (Symbol::set_tls_got_offset): Removed.
10955         (Symbol::got_offset_): Removed.
10956         (Symbol::tls_mod_got_offset_): Removed.
10957         (Symbol::tls_pair_got_offset_): Removed.
10958         (Symbol::got_offsets_): New field.
10959         (Symbol::has_got_offset): Removed.
10960         (Symbol::has_tls_mod_got_offset): Removed.
10961         (Symbol::has_tls_pair_got_offset): Removed.
10962         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
10963         (Target_x86_64::Scan::local): Updated callers of Output_data_got
10964         member functions.
10965         (Target_x86_64::Scan::global): Likewise.
10966         (Target_x86_64::Relocate::relocate): Likewise.
10967         (Target_x86_64::Relocate::relocate_tls): Likewise.
10969 2008-03-25  Ben Elliston  <bje@au.ibm.com>
10971         * yyscript.y: Fix spelling error in comment.
10973 2008-03-24  Ian Lance Taylor  <iant@google.com>
10975         * options.h (class General_options): Define build_id option.
10976         * layout.h (class Layout): Declare write_build_id, create_note,
10977         create_build_id.  Add build_id_note_ member.
10978         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
10979         "libiberty.h", "md5.h", "sha1.h".
10980         (Layout::Layout): Initialize eh_frame_data_,
10981         eh_frame_hdr_section_, and build_id_note_.
10982         (Layout::finalize): Call create_build_id.
10983         (Layout::create_note): New function, broken out of
10984         Layout::create_gold_note.
10985         (Layout::create_gold_note): Call create_note.
10986         (Layout::create_build_id): New function.
10987         (Layout::write_build_id): New function.
10988         (Close_task_runner::run): Call write_build_id.
10990         * x86_64.cc: Correct license to GPLv3.
10992 2008-03-23  Ian Lance Taylor  <iant@google.com>
10994         * options.cc: Include "demangle.h".
10995         (parse_optional_string): New function.
10996         (parse_long_option): Handle takes_optional_argument.
10997         (parse_short_option): Update dash_z initializer.  Handle
10998         takes_optional_argument.
10999         (General_options::General_options): Initialize do_demangle_.
11000         (General_options::finalize): Set do_demangle_.  Handle demangling
11001         style.
11002         * options.h (parse_optional_string): Declare.
11003         (struct One_option): Add optional_arg field.  Update constructor.
11004         Update call constructor calls.  Add takes_optional_argument
11005         function.
11006         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11007         (DEFINE_optional_string): Define.
11008         (General_options::demangle): Change from DEFINE_bool to
11009         DEFINE_optional_string.
11010         (General_options::no_demangle): New function.
11011         (General_options::do_demangle): New function.
11012         (General_options::set_do_demangle): New function.
11013         (General_options::execstack_status_): Move definition to end of
11014         class definition.
11015         (General_options::static_): Likewise.
11016         (General_options::do_demangle_): New field.
11017         * object.cc (big_endian>::get_symbol_location_info): Call
11018         Options::do_demangle, not Options::demangle.
11019         * symtab.cc (demangle): Likewise.
11021 2008-03-22  Ian Lance Taylor  <iant@google.com>
11023         * gold.h: Include <cstddef> and <sys/types.h>
11024         * options.h: Include <cstring>.
11026 2008-03-21  Ian Lance Taylor  <iant@google.com>
11028         * Added source code to GNU binutils.