1 2009-09-30 Ian Lance Taylor <iant@google.com>
3 * object.h (class Object): Remove target_ field, and target,
4 sized_target, and set_target methods.
5 (Object::sized_target): Remove.
6 (class Sized_relobj): Update declarations. Remove sized_target.
7 * object.cc (Sized_relobj::setup): Remove target parameter.
9 (Input_objects::add_object): Don't do anything with the target.
10 (make_elf_sized_object): Add punconfigured parameter. Change all
11 callers. Set or test parameter target.
12 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
14 * parameters.cc (Parameters::set_target): Change parameter type to
16 (Parameters::default_target): Remove.
17 (set_parameters_target): Change parameter type to be non-const.
18 (parameters_force_valid_target): New function.
19 (parameters_clear_target): New function.
20 * parameters.h (class Parameters): Update declarations. Remove
21 default_target method. Add sized_target and clear_target
22 methods. Change target_ to be non-const.
23 (set_parameters_target): Update declaration.
24 (parameters_force_valid_target): Declare.
25 (parameters_clear_target): Declare.
26 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
27 as NULL if we aren't searching.
28 (Add_symbols::run): Don't check for compatible target.
29 * fileread.cc (Input_file::open_binary): Call
30 parameters_force_valid_target.
31 * gold.cc (queue_middle_tasks): Likewise.
32 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
34 * dynobj.h (class Sized_dynobj): Update declarations.
35 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
36 make_elf_object returns NULL.
37 (Archive::include_member): Don't check whether object target is
39 * output.cc (Output_section::add_input_section): Get target from
41 (Output_section::relax_input_section): Likewise.
42 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
44 (Sized_relobj::do_scan_relocs): Likewise.
45 (Sized_relobj::relocate_sections): Likewise.
46 * resolve.cc (Symbol_table::resolve): Likewise.
47 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
48 parameter. Change all callers.
49 (Symbol_table::add_from_object): Get target from parameters.
50 (Symbol_table::add_from_relobj): Don't check object target.
51 (Symbol_table::add_from_dynobj): Likewise.
52 (Symbol_table::define_special_symbol): Get target from
54 * symtab.h (class Symbol_table): Update declaration.
55 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
56 parameter. Change all callers. Clear parameter target.
57 (Binary_test): Test target here.
58 * testsuite/object_unittest.cc (gold_testsuite): Remove
59 target_test_pointer parameter. Change all callers.
60 (Object_test): Test target here.
62 2009-09-26 Ian Lance Taylor <iant@google.com>
64 * testsuite/initpri1.c: Don't try to use constructor priorities if
65 compiling with gcc before 4.3.
67 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
69 * testsuite/retain_symbols_file_test.sh (check_present): Change
70 output file name to retain_symbols_file_test.stdout.
71 (check_absent): Likewise.
73 2009-09-18 Craig Silverstein <csilvers@google.com>
75 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
76 * options.cc: Include <cerrno> and <fstream>.
77 (General_options::finalize): Parse -retain-symbols-file tag.
78 * options.h: New flag.
79 (General_options): New method should_retain_symbol, new
80 variable symbols_to_retain.
81 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
82 should_retain_symbol map.
83 * testsuite/Makefile.am (retain_symbols_file_test): New test.
84 * testsuite/Makefile.in: Regenerate.
85 * testsuite/retain_symbols_file_test.sh: New file.
87 2009-09-18 Nick Clifton <nickc@redhat.com>
89 * po/es.po: Updated Spanish translation.
91 2009-09-17 Doug Kwan <dougkwan@google.com>
93 * debug.h (DEBUG_RELAXATION): New constant.
94 (DEBUG_ALL): Add DEBUG_RELAXATION.
95 (debug_string_to_enum): Add relaxation debug option.
97 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
98 Layout::Relaxation_debug_check::read_sections,
99 Layout::Relaxation_debug_check::read_sections): New method definitions.
100 (Layout::Layout): Initialize data members
101 record_output_section_data_from_scrips_,
102 script_output_section_data_list_ and relaxation_debug_check_.
103 (Layout::save_segments, Layout::restore_segments,
104 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
105 Layout::relaxation_loop_body): New method definitions.
106 (Layout::finalize): Support relaxation. Move section layout code to
107 Layout::relaxation_loop_body.
108 (Layout::set_asection_address_from_script): Move code for orphan
109 section placement out.
110 (Layout::place_orphan_sections_in_script): New method definition.
111 * layout.h (Output_segment_headers, Output_file_header):
112 New forward class declarations.
113 (Layout::~Layout): Define.
114 (Layout::new_output_section_data_from_script): New method definition.
115 (Layout::place_orphan_sections_in_script): New method declaration.
116 (Layout::Segment_states): New type declaration.
117 (Layout::save_segments, Layout::restore_segments,
118 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
119 Layout::relaxation_loop_body): New method declarations.
120 (Layout::Output_section_data_list): New type declaration.
121 (Layout::Relaxation_debug_check): New class definition.
122 (Layout::record_output_section_data_from_script_,
123 Layout::script_output_section_data_list_, Layout::segment_states_,
124 Layout::relaxation_debug_check_): New data members.
125 * output.cc: (Output_section_headers::do_size): New method definition.
126 (Output_section_headers::Output_section_headers): Move size
127 computation to Output_section_headers::do_size.
128 (Output_segment_headers::do_size): New method definition.
129 (Output_file_header::Output_file_header): Move size computation to
130 Output_file_header::do_size and call it.
131 (Output_file_header::do_size): New method definition.
132 (Output_data_group::Output_data_group): Adjust call to
134 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
135 (Output_symtab_xindex::do_write): Add array bound check.
136 (Output_section::Input_section::print_to_mapfile): Handle
137 RELAXED_INPUT_SECTION_CODE.
138 (Output_section::Output_section): Initialize data member checkpoint_.
139 (Output_section::~Output_section): Delete checkpoint object pointed
141 (Output_section::add_input_section): Always add an Input_section if
143 (Output_section::add_merge_input_section): Add assert.
144 (Output_section::relax_input_section): New method definition.
145 (Output_section::set_final_data_size): Set load address to zero for
146 an unallocated section.
147 (Output_section::do_address_and_file_offset_have_reset_values):
148 New method definition.
149 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
150 Handle relaxed input section.
151 (Output_section::sort_attached_input_sections): Checkpoint input
153 (Output_section::get_input_sections): Change type of input_sections to
154 list of Simple_input_section pointers. Checkpoint input section list
155 lazily. Also handle relaxed input sections.
156 (Output_section::add_input_section_for_script): Take a reference to
157 a Simple_input_section object instead of Relobj pointer and section
158 index as parameter. Handle relaxed input sections.
159 (Output_section::save_states, Output_section::restore_states): New
161 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
162 (Output_data::is_data_size_fixed): New method definition.
163 (Output_data::reset_addresss_and_file_offset): Do not reset data size
165 (Output_data::address_and_file_offset_have_reset_values): New method
167 (Output_data::do_address_and_file_offset_have_reset_values): New method
169 (Output_data::set_data_size): Check that data size is not fixed.
170 (Output_data::fix_data_size): New method definition.
171 (Output_data::is_data_size_fixed_): New data member.
172 (Output_section_headers::set_final_data_size): New method definition.
173 (Output_section_headers::do_size): New method declaration.
174 (Output_segment_headers::set_final_data_size): New method definition.
175 (Output_segment_headers::do_size): New method declaration.
176 (Output_file_header::set_final_data_size)::New method definition.
177 (Output_file_header::do_size)::New method declaration.
178 (Output_section_data::Output_section_data): Add new parameter
179 is_data_size_fixed and use it to fix data size.
180 (Output_data_const::Output_data_const): Adjust call to base class
181 constructor and fix data size.
182 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
183 base class constructor and fix data size.
184 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
185 base class constructor and fix data size.
186 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
187 class constructor and fix data size.
188 (Output_data_group::set_final_data_size): New method definition.
189 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
190 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
191 class constructor and fix data size.
192 (Output_relaxed_input_section): New class definition.
193 (Output_section::Simple_input_section): New class definition.
194 (Output_section::get_input_sections): Adjust parameter list.
195 (Output_section::add_input_section_for_script): Same.
196 (Output_section::save_states, Output_section::restore_states,
197 Output_section::do_address_and_file_offset_have_reset_values,
198 (Output_section::Input_section::Input_section): Handle
199 RELAXED_INPUT_SECTION_CODE. Add new overload for
200 Output_relaxed_input_section.
201 (Output_section::Input_section::is_input_section,
202 Output_section::Input_section::set_output_section): Handle relaxed
204 (Output_section::Input_section::is_relaxed_input_section,
205 Output_section::Input_section::output_section_data,
206 Output_section::Input_section::relaxed_input_section): New method
208 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
210 (Output_section::Input_section::u1_): Update comments.
211 (Output_section::Input_section::u2_): Add new union member poris.
212 (Output_section::Checkpoint_output_section): New classs definition.
213 (Output_section::relax_input_section): New method declaration.
214 (Output_section::checkpoint_): New data member.
215 (Output_segment): Update comments.
216 (Output_segment::Output_segment): Un-privatize copy constructor.
217 (Output_segment::operator=): Un-privatize.
218 * script-sections.cc (Output_section_element::Input_section_list):
219 Change element type to Output_section::Simple_input_section.
220 (Output_section_element_dot_assignment::set_section_addresses):
221 Register output section data for relaxation clean up.
222 (Output_data_exression::Output_data_expression): Adjust call to base
223 constructor to fix data size.
224 (Output_section_element_data::set_section_addresses): Register
225 Output_data_expression object for relaxation clean up.
226 (struct Input_section_info): Replace Relobj pointer and section index
227 pair with Output_section::Simple_input_section and Convert struct to a
229 (Input_section_sorter::operator()): Adjust access to
230 Input_section_info data member to use accessors.
231 (Output_section_element_input::set_section_addresses): Use layout
232 parameter. Adjust code to use Output_section::Simple_input_section
233 and Input_secction_info classes. Register filler for relaxation
235 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
236 and section index pair with Output_section::Simple_input_section
237 class. Adjust code accordingly.
238 (Phdrs_element::release_segment): New method definition.
239 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
241 (Script_sections::release_segments): New method definition.
242 * gold/script-sections.h (Script_sections::release_segments): New
244 * gold/target.h (Target::may_relax, Target::relax,
245 Target::do_may_relax, Target::do_relax): New method definitions.
247 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
249 * arm.cc (has_signed_unsigned_overflow): New function.
250 (Arm_relocate_functions::abs8): New function.
251 (Target_arm::Scan::local): Handle R_ARM_ABS8.
252 (Target_arm::Scan::global): Likewise.
253 (Target_arm::relocate::relocate): Likewise.
254 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
257 2009-09-16 Cary Coutant <ccoutant@google.com>
259 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
260 * testsuite/Makefile.in: Regenerate.
262 2009-09-11 Nick Clifton <nickc@redhat.com>
264 * po/gold.pot: Updated by the Translation project.
266 2009-09-08 Cary Coutant <ccoutant@google.com>
268 * output.cc (Output_file::open): Add execute permission to empty file.
269 * testsuite/Makefile.am (permission_test): New test.
270 * testsuite/Makefile.in: Regenerate.
272 2009-09-02 Ian Lance Taylor <iant@google.com>
274 * output.cc (Output_file::resize): Call map_no_anonymous rather
277 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
279 * gold.cc: Include "incremental.h".
280 (queue_initial_tasks): Call Incremental_checker methods.
281 * incremental.cc: Include "output.h".
282 (Incremental_checker::can_incrementally_link_output_file): New
284 * incremental.h (Incremental_checker): New class.
286 * output.cc (Output_file::open_for_modification): New method.
287 (Output_file::map_anonymous): Changed return type to bool. Record
289 (Output_file::map_no_anonymous): New method, broken out of map.
290 (Output_file::map): Use map_no_anonymous and map_anonymous.
291 * output.h (class Output_file): Update declarations.
293 2009-08-24 Cary Coutant <ccoutant@google.com>
295 * options.h (Command_line::Pre_options): New class.
296 (Command_line::pre_options): New member.
297 * options.cc (gold::options::ready_to_register): New variable.
298 (One_option::register_option): Do nothing if not registering options.
299 Assert if same short option registered twice.
300 (General_options::General_options): Turn off option registration when
302 (Command_line::Pre_options::Pre_options): New constructor.
304 2009-08-24 Cary Coutant <ccoutant@google.com>
306 * options.h (General_options::no_keep_memory): Remove incorrect
309 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
311 * Makefile.am (am__skiplex, am__skipyacc): New.
312 * Makefile.in: Regenerate.
314 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
316 * Makefile.am (AM_CPPFLAGS): Renamed from ...
317 (INCLUDES): ... this.
318 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
319 (AM_CPPFLAGS): Renamed from ...
321 * Makefile.in, testsuite/Makefile.in: Regenerate.
323 * Makefile.in: Regenerate.
324 * aclocal.m4: Likewise.
325 * config.in: Likewise.
326 * configure: Likewise.
327 * testsuite/Makefile.in: Likewise.
329 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
330 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
331 * Makefile.in: Regenerate.
332 * testsuite/Makefile.in: Regenerate.
334 2009-08-19 Cary Coutant <ccoutant@google.com>
336 * resolve.cc (Symbol_table::resolve): Don't complain about defined
337 symbols in shared libraries overridden by hidden or internal symbols
340 2009-08-19 Chris Demetriou <cgd@google.com>
342 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
343 checking source file names in error messages.
345 2009-08-18 Doug Kwan <dougkwan@google.com>
347 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
348 an elcpp::Ehdr as parameter. Adjust call to set_target.
349 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
350 an elfcpp::Ehdr as parameter.
351 * object.cc (Object::set_target): Remove the version that looks up
352 a target and sets it.
353 (Sized_relobj::setup): Take a Target object instead of
354 an elfcpp::Ehdr as parameter. Adjust call to set_target.
355 (make_elf_sized_object): Find target and ask target to
357 * object.h: (Object::set_target): Remove the version that looks up
358 a target and sets it.
359 (Sized_relobj::setup): Take a Target object instead of
360 an elfcpp:Ehdr as parameter.
361 * target.cc: Include dynobj.h.
362 (Target::do_make_elf_object_implementation): New.
363 (Target::do_make_elf_object): New.
364 * target.h (Target::make_elf_object): New template declaration.
365 (Target::do_make_elf_object): New method declarations.
366 (Target::do_make_elf_object_implementation): New template declaration.
368 2009-08-14 Ian Lance Taylor <iant@google.com>
370 * gold.h (FUNCTION_NAME): Define.
371 (gold_unreachable): Use FUNCTION_NAME.
373 2009-08-12 Sriraman Tallam <tmsriram@google.com>
375 * icf.cc (Icf::find_identical_sections): Issue a warning when a
376 symbol in the --keep-unique list is not found.
378 2009-08-12 Sriraman Tallam <tmsriram@google.com>
380 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
381 been maked as --keep-unique.
382 (Icf::unfold_section): New function.
383 * icf.h (Icf::unfold_section): New function.
384 * options.h (General_options::keep_unique): New option.
385 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
386 * testsuite/Makefile.in: Regenerate.
387 * testsuite/icf_keep_unique_test.sh: New file.
388 * testsuite/icf_keep_unique_test.cc: New file.
390 2009-08-12 Cary Coutant <ccoutant@google.com>
393 * resolve.cc (Symbol_table::resolve): Check for references from
394 dynamic objects to hidden and internal symbols.
395 * testsuite/Makefile.am (hidden_test.sh): New test.
396 * testsuite/Makefile.in: Regenerate.
397 * testsuite/hidden_test.sh: New script.
398 * testsuite/hidden_test_1.c: New test source.
399 * testsuite/hidden_test_main.c: New test source.
401 2009-08-11 Doug Kwan <dougkwan@google.com>
403 * arm.cc: Update comments.
404 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
405 segment to locate the .ARM.exidx section if present.
407 2009-08-09 Doug Kwan <dougkwan@google.com>
409 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
412 2009-08-07 Sriraman Tallam <tmsriram@google.com>
413 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
416 2009-08-06 Sriraman Tallam <tmsriram@google.com>
418 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
419 valid tls_segment only for non-debug-section relocations.
420 * testsuite/Makefile.am: Add gc_tls_test.
421 * testsuite/Makefile.in: Regenerate.
422 * testsuite/gc_tls_test.cc: New file.
423 * testsuite/gc_tls_test.sh: New file.
425 2009-08-05 Sriraman Tallam <tmsriram@google.com>
429 * Makefile.am (CCFILES): Add icf.cc.
431 * Makefile.in: Regenerate.
432 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
433 * gc.h (gc_process_relocs): Populate lists used by icf to contain
434 section, symbol and addend information for the relocs.
435 * gold.cc (queue_middle_tasks): Call identical code folding.
436 * gold.h: Add defines for multimap.
437 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
438 to the call of finalize_local_symbols.
439 * main.cc (main): Create object of class Icf.
440 * object.cc (Sized_relobj::do_layout): Allow this function to be
441 called twice during icf.
442 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
443 to sections marked as identical by icf.
444 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
446 (Sized_relobj::do_section_entsize): New function.
447 * object.h (Object::section_entsize): New function.
448 (Object::do_section_entsize): New pure virtual function.
449 (Relobj::finalize_local_symbols): Add new parameter.
450 (Relobj::do_section_entsize): New function.
451 * options.h (General_options::icf): New option.
452 (General_options::icf_iterations): New option.
453 (General_options::print_icf_sections): New option.
454 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
455 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
456 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
458 * symtab.cc (Symbol_table::is_section_folded): New function.
459 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
460 to sections marked as identical by icf.
461 * symtab.h (Symbol_table::set_icf): New function.
462 (Symbol_table::icf): New function.
463 (Symbol_table::is_section_folded): New function.
464 (Symbol_table::icf_): New data member.
465 * target-reloc.h (relocate_section): Ignore sections folded by icf.
466 * testsuite/Makefile.am: Add commands to build icf_test.
467 * testsuite/Makefile.in: Regenerate.
468 * testsuite/icf_test.sh: New file.
469 * testsuite/icf_test.cc: New file.
471 2009-07-24 Chris Demetriou <cgd@google.com>
473 * layout.cc (is_compressible_debug_section): Fix incorrect
474 comment about compressed section names.
476 2009-07-20 Ian Lance Taylor <ian@airs.com>
479 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
481 2009-07-16 Ian Lance Taylor <iant@google.com>
484 * layout.h: #include <map>.
485 (class Kept_section): Change from struct to class. Add accessors
486 and setters. Add section size to Comdat_group mapping. Change
487 Comdat_group to std::map. Add is_comdat_ field. Add
488 linkonce_size field in union.
489 (class Layout): Update declaration of find_or_add_kept_section.
490 Don't declare find_kept_object.
491 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
492 parameter. Add object, shndx, is_comdat, and is_group_name
493 parameters. Change all callers. Adjust for new Kept_section.
494 (Layout::find_kept_object): Remove.
495 * object.cc (Sized_relobj::include_section_group): Update use of
496 Kept_section. Rename secnum to shndx. Only record
497 Kept_comdat_section if sections are the same size.
498 (Sized_relobj::include_linkonce_section): Update use of
499 Kept_section. Only record Kept_comdat_section if sections are the
500 same size. Set size of linkonce section.
501 (Sized_relobj::map_to_kept_section): Update call to
502 get_kept_comdat_section.
503 * object.h (class Sized_relobj): Rename fields in
504 Kept_comdat_section to drop trailing underscores; change object
505 field to Relobj*. Change Kept_comdat_section_table to store
506 struct rather than pointer.
507 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
508 Add kept_object and kept_shndx parameters. Change all callers.
509 (Sized_relobj::get_kept_comdat_section): Change return type to
510 bool. Add kept_object and kept_shndx parameters. Change all
512 * plugin.cc (Pluginobj::include_comdat_group): Update call to
513 Layout::find_or_add_kept_section.
515 2009-07-09 Ian Lance Taylor <iant@google.com>
517 * merge.cc (Object_merge_map::initialize_input_to_output_map):
518 Reserve space in the hash table.
520 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
522 * fileread.cc (File_read::get_mtime): New method.
523 * fileread.h (Timespec): New structure.
524 (File_read::get_mtime): New method.
525 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
526 Renamed from timestamp_nsec.
527 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
529 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
531 (Incremental_inputs::report_archive): Save mtime; style fix.
532 (Incremental_inputs::report_obejct): Save mtime; style fix.
533 (Incremental_inputs::report_script): Save mtime; style fix.
534 (Incremental_inputs::finalize_inputs): Style fix.
535 (Incremental_inputs::finalize): Style fix.
536 (Incremental_inputs::create_input_section_data): Store inputs
538 * incremental.h (Incremental_inputs::report_script): Add mtime
540 (Incremental_inputs::Input_info::Input_info): Intialize only one
542 (Incremental_inputs::Input_info::archive): Move to nameless
544 (Incremental_inputs::Input_info::obejct): Move to nameless union.
545 (Incremental_inputs::Input_info::script): Move to nameless union.
546 (Incremental_inputs::mtime): New field.
547 * script.cc (read_input_script): Pass file mtime to
549 * script.h (Script_info::inputs): Style fix.
551 2009-07-01 Ian Lance Taylor <ian@airs.com>
553 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
556 2009-06-24 Ian Lance Taylor <iant@google.com>
559 * layout.cc (Layout::choose_output_section): If we find an
560 existing section, update the flags.
561 (Layout::create_notes): New function, broken out of
563 (Layout::finalize): Don't create note sections.
564 (Layout::create_note): Don't crash if linker script discards
566 (Layout::create_gold_note): Likewise.
567 (Layout::create_build_id): Likewise. Don't set
568 after_input_sections on the section.
569 (Layout::create_executable_stack_info): Remove target parameter.
571 * layout.h (class Layout): Declare create_notes. Update
572 declaration of create_executable_stack_info.
573 * gold.cc (queue_middle_tasks): Call create_notes.
574 * output.cc (Output_section::update_flags_for_input_section): Move
575 here from output.h. If SHF_ALLOC flag is newly set, mark address
577 * output.h (Output_data::mark_address_invalid): New function.
578 (class Output_section): Only declare, not define,
579 update_flags_for_input_section. Remove set_flags.
581 2009-06-24 Ian Lance Taylor <iant@google.com>
583 * script-sections.cc (Output_section_definition::
584 set_section_addresses): Rename shadowing local load_address to
587 2009-06-24 Ian Lance Taylor <iant@google.com>
590 * reloc.cc (relocate_sections): Skip empty relocation sections.
592 2009-06-23 Ian Lance Taylor <iant@google.com>
595 * layout.cc (Layout::create_note): Use choose_output_section
596 rather than make_output_section.
598 2009-06-23 Ian Lance Taylor <iant@google.com>
601 * options.cc (General_options::parse_V): Set printed_version_.
602 (General_options::General_options): Initialize printed_version_.
603 * options.h (class General_options): Add printed_version_ field.
604 * gold.cc (queue_initial_tasks): If there are no input files,
605 don't give a fatal error if we printed the version information.
606 (queue_middle_tasks): If using -r with a shared object, give a
607 fatal error rather than an ordinary error.
609 2009-06-23 Ian Lance Taylor <iant@google.com>
612 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
613 (Layout::make_output_section): Set have_stabstr_section_ if we see
615 (Layout::finalize): Call link_stabs_sections.
616 (Layout::link_stabs_sections): New file.
617 * layout.h (class Layout): Add have_stabstr_section_ field.
618 Declare link_stabs_sections.
620 2009-06-23 Doug Kwan <dougkwan@google.com>
622 * Makefile.am (libgold_a_LIBADD): New.
623 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
624 * Makefile.in: Regenerate.
625 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
626 * configure: Regenerate.
627 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
628 * fileread.cc: Include sys/state.h
629 * gold.h: Declare memmem and strndup if found missing.
630 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
632 2009-06-23 Ian Lance Taylor <iant@google.com>
634 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
635 * configure: Rebuild.
637 2009-06-23 Ian Lance Taylor <iant@google.com>
640 * object.cc (Object::section_contents): Don't try to get a view if
641 the section has length zero.
642 (Object::handle_gnu_warning_section): If the section is empty, use
643 the name of the section as the warning.
645 2009-06-23 Ian Lance Taylor <iant@google.com>
648 * stringpool.h (class Stringpool_template): Add optimize_ field.
649 (Stringpool_template::set_optimize): New function.
650 * stringpool.cc (Stringpool_template::Stringpool_template):
651 Initialize optimize_ field.
652 (Stringpool_template::set_string_offsets): Test local optimize
653 fild rather than parameter.
654 * layout.cc (Layout::Layout): Call set_optimize on the section
657 2009-06-22 Ian Lance Taylor <iant@google.com>
660 * yyscript.y: Parse TARGET.
661 * script.cc (script_set_target): New function.
662 * script-c.h (script_set_target): Declare.
663 * options.cc (General_options::string_to_object_format): Rename
664 from string_to_object_format in anonymous namespace. Change
666 * options.h (class General_options): Declare
667 string_to_object_format.
669 2009-06-22 Ian Lance Taylor <iant@google.com>
671 * script-sections.cc (Script_sections::create_segments): Don't put
672 program headers in a PT_LOAD segment if -n or -N.
674 2009-06-22 Ian Lance Taylor <iant@google.com>
677 * options.h (class General_options): Add -z lazy and -z now. Sort
678 -z options into alphabetical order.
679 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
681 2009-06-21 Ian Lance Taylor <iant@google.com>
683 * layout.cc (Layout::make_output_section): Call
684 Target::new_output_section.
685 (Layout::attach_allocated_section_to_segment): Put large section
686 sections in a separate load segment with the large segment flag
688 (Layout::segment_precedes): Sort large data segments after other
690 (align_file_offset): New static function.
691 (Layout::set_segment_offsets): Use align_file_offset.
692 * output.h (class Output_section): Add is_small_section_ and
693 is_large_section_ fields.
694 (Output_section::is_small_section): New function.
695 (Output_section::set_is_small_section): New function.
696 (Output_section::is_large_section): New function.
697 (Output_section::set_is_large_section): New function.
698 (Output_section::is_large_data_section): New function.
699 (class Output_segment): Add is_large_data_segment_ field.
700 (Output_segment::is_large_data_segment): New function.
701 (Output_segment::set_is_large_data_segment): New function.
702 * output.cc (Output_section::Output_section): Initialize new
704 (Output_segment::Output_segment): Likewise.
705 (Output_segment::add_output_section): Add assertion that large
706 data sections always go in large data segments. Force small data
707 sections to the end of the list of data sections. Force small BSS
708 sections to the start of the list of BSS sections. For large BSS
709 sections to the end of the list of BSS sections.
710 * symtab.h (class Symbol): Declare is_common_shndx.
711 (Symbol::is_defined): Check Symbol::is_common_shndx.
712 (Symbol::is_common): Likewise.
713 (class Symbol_table): Define enum Commons_section_type. Update
714 declarations. Add small_commons_ and large_commons_ fields.
715 * symtab.cc (Symbol::is_common_shndx): New function.
716 (Symbol_table::Symbol_table): Initialize new fields.
717 (Symbol_table::add_from_object): Put small and large common
718 symbols in the right list.
719 (Symbol_table::sized_finalized_symbol): Check
720 Symbol::is_common_shndx.
721 (Symbol_table::sized_write_globals): Likewise.
722 * common.cc (Symbol_table::do_allocate_commons): Allocate new
723 common symbol lists. Don't call do_allocate_commons_list if the
725 (Symbol_table::do_allocate_commons_list): Remove is_tls
726 parameter. Add comons_section_type parameter. Change all
727 callers. Handle small and large common symbols.
728 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
729 Symbol::is_common_shndx.
730 * resolve.cc (symbol_to_bits): Likewise.
731 * target.h (Target::small_common_shndx): New function.
732 (Target::small_common_section_flags): New function.
733 (Target::large_common_shndx): New function.
734 (Target::large_common_section_flags): New function.
735 (Target::new_output_section): New function.
736 (Target::Target_info): Add small_common_shndx, large_common_shndx,
737 small_common_section_flags, and large_common_section_flags
739 (Target::do_new_output_section): New virtual function.
740 * arm.cc (Target_arm::arm_info): Initialize new fields.
741 * i386.cc (Target_i386::i386_info): Likewise.
742 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
744 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
745 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
746 (Target_x86_64::do_new_output_section): New function.
747 * configure.ac: Define conditional MCMODEL_MEDIUM.
748 * testsuite/Makefile.am (check_PROGRAMS): Add large.
749 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
750 (large_LDFLAGS): Define.
751 * testsuite/large.c: New file.
752 * testsuite/testfile.cc (Target_test::test_target_info):
753 Initialize new fields.
754 * configure, testsuite/Makefile.in: Rebuild.
756 2009-06-05 Doug Kwan <dougkwan@google.com>
758 * Makefile.am (CCFILES): Add target.cc.
759 * Makefile.in: Regenerate.
760 * i386.cc (class Target_i386): Define new virtual method to
761 override do_is_local_label_name in parent.
762 * object.cc (Sized_relobj::do_count_local_symbols): Discard
763 local symbols if --discard-locals or -X is given.
764 * options.h (class General_options): Declare new options
765 '--discard-locals' and '-X' for discarding locals.
766 * target.h (class Target): Define new methods is_local_label_name.
767 Declare new virtual method do_is_local_label_name.
768 * target.cc: New file.
769 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
770 (check_SCRIPTS): Add discard_locals_test.sh.
771 (check_DATA): Add discard_local_tests.syms.
772 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
773 (discard_local_tests.syms, discard_locals_test.o): New make rules.
774 * testsuite/Makefile.in: Regenerate.
775 * testsuite/discard_locals_test.c: New file.
776 * testsuite/discard_locals_test.sh: Same.
778 2009-06-05 Doug Kwan <dougkwan@google.com>
780 * object.cc (Sized_relobj::Sized_relobj): Initialize
781 discarded_eh_frame_shndx_ to -1U.
782 (Sized_relobj::do_layout): Record index of a discard .eh_frame
784 (Sized_relobj::do_count_local_symbols): Skip local symbols in
785 a discarded .eh_frame section.
786 (Sized_relobj::do_finalize_local_symbols): Ditto.
787 * object.h (class Sized_relobj): Declare new member
788 discarded_eh_frame_shndx_.
789 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
790 (local_labels_test.o, local_labels_test): New rules.
791 * testsuite/Makefile.in: Regenerate.
793 2009-06-04 Doug Kwan <dougkwan@google.com>
795 * layout.cc (Layout::section_name_mapping): Add mapping for
796 special ARM sections.
798 2009-06-03 Doug Kwan <dougkwan@google.com>
800 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
801 (utils::has_overflow): Same.
803 2009-06-03 Ian Lance Taylor <iant@google.com>
805 * layout.cc (Layout::section_name_mapping): New array, replacing
806 Layout::linkonce_mapping.
807 (Layout::section_name_mapping_count): New variable, replacing
808 Layout::linkonce_mapping_count.
809 (Layout::linkonce_output_name): Remove.
810 (Layout::output_section_name): Rewrite.
811 * layout.h (class Layout): Rename Linkonce_mapping to
812 Section_name_mapping, linkonce_mapping to section_name_mapping,
813 linkonce_mapping_count to section_name_mapping_count. Don't
814 declare linkonce_output_name.
816 2009-06-03 Doug Kwan <dougkwan@google.com>
818 * gold/arm.cc (namespace utils): New.
819 (Target_arm::reloc_is_non_pic): Define new method.
820 (class Arm_relocate_functions): New.
821 (Target_arm::Relocate::relocate): Handle relocation types used by
824 2009-06-03 Ian Lance Taylor <iant@google.com>
826 * arm.cc (Target_arm::scan::global): Use || instead of |.
828 2009-06-02 Doug Kwan <dougkwan@google.com>
830 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
831 issued_non_pic_error_.
832 (class Target_arm::Scan): Declare new method check_non_pic.
833 Define new method symbol_needs_plt_entry.
834 Declare new data member issued_non_pic_error_.
835 (class Target_arm::Relocate): Declare new method
836 should_apply_static_reloc.
837 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
838 (Target_arm::Scan::check_non_pic): Define new method.
839 (Target_arm::Scan::local): Handle a small subset of reloc types used
841 (Target_arm::Scan::local): Same.
842 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
844 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
846 * incremental.cc (Incremental_inputs::report_command_line): Filter
847 out --incremental-* options.
849 2009-05-29 Doug Kwan <dougkwan@google.com>
851 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
853 (class Target_arm): Update comment.
854 (Target_arm::Target_arm): Initialize new data members GOT_,
855 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
856 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
857 and Target_arm::rel_dyn_section.
858 Declare new_enum Target_arm::Got_type.
859 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
861 Update commments for member do_dynsym_value.
862 (Target_arm::got_size, Target_arm::plt_section,
863 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
864 new methods inside class defintion.
865 (Target_arm::got_section): Define new method.
866 (Target_arm::rel_dyn_section): Same.
867 (Output_data_plt_arm): New template class.
868 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
869 (Output_data_plt_arm:do_adjust_output_section): Define new method.
870 (Output_data_plt_arm::add_entry): Same.
871 (Output_data_plt_arm::first_plt_entry): Define new
872 static data member for PLT instruction template.
873 (Output_data_plt_arm::plt_entry): Same.
874 (Output_data_plt_arm::do_write): Define new method.
875 (Target_arm::make_plt_entry): Same.
876 (Target_arm::do_finalize_sections): Same.
877 (Target_arm::do_dynsym_value): Same.
879 2009-05-28 Doug Kwan <dougkwan@google.com>
881 * Makefile.am (TARGETSOURCES): Add arm.cc.
882 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
883 * Makefile.in: Regenerate.
885 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
887 2009-05-26 Doug Kwan <dougkwan@google.com>
889 * options.cc (General_options::parse_exclude_libs). Fix a comment.
890 (General_options::check_excluded_libs): Strip off directories in
891 archive name before matching like GNU ld does.
892 * testsuite/Makefile.am (MOSTLYCLEANFILES,
893 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
894 (exclude_libs_test_LDFLAGS): Add linker option
895 -Wl,--exclude-libs,libexclude_libs_test_3
896 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
897 an explicit archive without using -l.
898 (alt/libexclude_libs_test_3.a): New make rule.
899 * testsuite/Makefile.in: Regenerate.
900 * testsuite/exclude_libs_test.c : Declare lib3_default().
902 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
903 * exclude_libs_test_3.c: New file.
905 2009-05-26 Nick Clifton <nickc@redhat.com>
907 * po/id.po: New Indonesian translation.
908 * po/gold.pot: Updated template file.
910 2009-05-22 Sriraman Tallam <tmsriram@google.com>
912 * testsuite/Makefile.am: Add -ffunction-sections to compile
913 gc_comdat_test files. Add -Wl,--gc-sections to build
915 * testsuite/Makefile.in: Regenerate.
916 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
918 2009-05-21 Sriraman Tallam <tmsriram@google.com>
920 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
921 kept comdat section was garbage collected.
922 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
923 * testsuite/Makefile.in: Regenerate.
924 * testsuite/gc_comdat_test.sh: New file.
925 * testsuite/gc_comdat_test_1.cc: New file.
926 * testsuite/gc_comdat_test_2.cc: New file.
928 2009-05-19 Doug Kwan <dougkwan@google.com>
930 * archive.cc (Archive::Archive): Move constructor from archive.h
931 to here. Initialize no_export_.
932 (Archive::get_elf_object_for_member): Set no_export flag of object.
933 * archive.h (Archive::Archive): Move constructor body to
935 (Archive::no_export): New method.
936 (Archive::no_export_): New field.
937 * object.h (Object::Object): Initialize no_export_ to false.
938 (Object::no_export, Object::set_no_export): New methods.
939 (Object::no_export_): New field.
940 * options.cc (General_options::parse_exclude_libs): New method.
941 (General_options::check_excluded_libs) Same.
942 * options.h (exclude_libs): New option.
943 (General_options::check_excluded_libs): New method declaration.
944 (General_options::excluded_libs_): New field.
945 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
946 default or protected visibility if an object has no-export flag set.
947 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
948 (check_SCRIPTS): Add exclude_libs_test.sh.
949 (check_DATA): Add exclude_libs_test.syms.
950 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
951 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
952 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
953 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
954 (exclude_libs_test.syms, libexclude_libs_test_1.a,
955 libexclude_libs_test_2.a): New rules.
956 * testsuite/Makefile.in: Regenerate.
957 * testsuite/exclude_libs_test.c: New file.
958 * testsuite/exclude_libs_test.sh: Ditto.
959 * testsuite/exclude_libs_test_1.c: Ditto.
960 * testsuite/exclude_libs_test_2.c: Ditto.
962 2009-05-15 Ian Lance Taylor <iant@google.com>
964 * configure.ac: Check for declarations for cases where libiberty.h
965 checks HAVE_DECL_xxx.
966 * configure, config.in: Rebuild.
968 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
970 * gold.h (Incremental_argument_list): Remove (invalid) forward
972 * incremental.cc (Incremental_inputs::report_achive): New method.
973 (Incremental_inputs::report_object): New method.
974 (Incremental_inputs::report_script): New method.
975 (Incremental_inputs::finalize_inputs): New method.
976 (Incremental_inputs::finalize): Call finalize_inputs().
977 (Incremental_inputs::sized_create_incremental_inputs_section_data):
978 Create inputs entries.
979 * incremental.h (Incremental_input_type): New enum.
980 (Incremental_inputs::Incremental_input): Initialize new fields.
981 (Incremental_inputs::report_inputs): New method.
982 (Incremental_inputs::report_achive): New method.
983 (Incremental_inputs::report_object): New method.
984 (Incremental_inputs::report_script): New method.
985 (Incremental_inputs::finalize_inputs): New method.
986 (Incremental_inputs::Input_info): New struct.
987 (Incremental_inputs::Input_info_map): New typedef.
988 (Incremental_inputs::lock_): New field.
989 (Incremental_inputs::Inputs_): New field.
990 (Incremental_inputs::Inputs_map): New field.
991 * main.cc (main): Call Incremental_input::report_inputs.
992 * options.h (Input_argument_list): Typedef moved from
994 (Input_file_group::Files): Remove, use ::Input_argument_list.
995 (Input_file_group::Input_argument_list): Remove, use
996 ::Input_argument_list.
997 * plugin.cc (Plugin_manager::add_input_file): Add error in
999 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1001 * script.cc (read_input_script): Call
1002 Incremental_input::report_script.
1003 * script.h (Script_info): New class.
1005 2009-04-27 Ian Lance Taylor <iant@google.com>
1007 * x86_64.cc (do_adjust_output_section): Set entsize to
1010 2009-04-23 Elliott Hughes <enh@google.com>
1012 * output.cc (Output_file::close): After short writes, continue
1013 writing from the correct offset in the buffer being written.
1015 2009-04-23 Chris Demetriou <cgd@google.com>
1017 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
1018 * configure: Regenerate.
1019 * config.in: Regenerate.
1020 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
1021 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
1023 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
1025 * incremental.cc (Incremental_inputs_header_data): Renamed from
1026 Incremental_input_header_data.
1027 (Incremental_inputs_header_data::data_size): New field.
1028 (Incremental_inputs_header_data::put_input_file_count): Renamed
1029 from input_file_count.
1030 (Incremental_inputs_header_data::put_command_line_offset): Renamed
1031 from command_line_offset.
1032 (Incremental_inputs_header_data::put_reserved): Renamed from
1034 (Incremental_inputs_entry_data): Renamed from
1035 Incremental_input_entry_data.
1036 (Incremental_inputs_entry_data::data_size): New field.
1037 (Incremental_inputs::report_command_line): New method.
1038 (Incremental_inputs::finalize): New method.
1039 (Incremental_inputs::create_incremental_inputs_data): New method.
1040 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
1041 * incremental.h: New file.
1042 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
1043 (Layout::finalize): Create incremental inputs section in
1045 (Layout::create_incremental_info_sections): New method.
1046 * layout.h (Layout::incremental_inputs): New method.
1047 (Layout::create_incremental_info_sections): New method.
1048 (Layout::incremental_inputs_): New field.
1049 * main.cc (main): Notify Incremental_input of the command line.
1051 2009-04-01 Ian Lance Taylor <iant@google.com>
1052 Mikolaj Zalewski <mikolajz@google.com>
1054 * gold.h (reserve_unordered_map): Define, three versions, one for
1055 each version of Unordered_map.
1056 * layout.cc (Layout::Layout): Remove options parameter. Add
1057 number_of_input_files parameter. Don't initialize options_.
1058 Initialize number_of_input_files_ and resized_signatures_. Move
1059 sections_are_attached_.
1060 (Layout::layout_group): Reserve space for group_signatures_.
1061 (Layout::find_or_add_kept_section): Change name parameter to be a
1062 reference. Resize signatures_ map when it gets large enough.
1063 (Layout::layout_eh_frame): Use parameters->options() instead of
1065 (Layout::make_output_section): Likewise.
1066 (Layout::attach_allocated_section_to_segment): Likewise.
1067 (Layout::finalize, Layout::create_executable_stack): Likewise.
1068 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
1069 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
1070 * layout.h (class Layout): Update declarations. Remove options_
1071 field. Add number_of_input_files_ and resized_signatures_
1072 fields. Move sections_are_attached_ field.
1073 * main.cc (main): Pass number of input files to Layout
1074 constructor. Don't pass options.
1076 2009-03-30 Ian Lance Taylor <iant@google.com>
1078 * ffsll.c (ffsll): Correct implementation.
1080 2009-03-27 Ian Lance Taylor <iant@google.com>
1082 * ffsll.c: New file.
1083 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
1084 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
1085 * ftruncate.c (ftruncate): Declare before definition.
1086 * mremap.c (mremap): Likewise.
1087 * pread.c (pread): Likewise.
1088 * configure, Makefile.in, config.in: Rebuild.
1090 * mremap.c: New file.
1091 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
1092 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
1093 (mremap): Declare if HAVE_MREMAP is not defined.
1094 * configure, Makefile.in, config.in: Rebuild.
1096 2009-03-27 Cary Coutant <ccoutant@google.com>
1098 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
1099 position independent.
1100 * sparc.cc (Target_sparc::check_non_pic): Likewise.
1101 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
1103 2009-03-24 Cary Coutant <ccoutant@google.com>
1105 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
1107 (needs_dynamic_reloc): Likewise.
1109 2009-03-24 Ian Lance Taylor <iant@google.com>
1111 * yyscript.y (file_cmd): Recognize EXTERN.
1112 (extern_name_list, extern_name_list_body): New nonterminals.
1113 * script.cc (script_add_extern): Define.
1114 * script-c.h (script_add_extern): Declare.
1116 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
1118 * object.cc (is_elf_object): Define.
1119 * object.h (is_elf_object): Declare.
1120 * archive.cc (Archive::get_elf_object_for_member): Call
1122 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
1124 2009-03-24 Elliott Hughes <enh@google.com>
1126 * output.cc (Output_file::map_anonymous): Define.
1127 (Output_file::map): Use map_anonymous. If the regular mmap fails,
1128 try an anonymous one. Report the size if the mmap fails.
1129 * output.h (class Output_file): Declare map_anonymous.
1131 2009-03-24 Ian Lance Taylor <iant@google.com>
1133 * target-select.cc (instantiate_target): Don't acquire the lock if
1134 the instantiated_target_ field has already been set.
1136 2009-03-23 Ian Lance Taylor <iant@google.com>
1138 * gold-threads.h (class Initialize_lock): Define.
1139 * gold-threads.cc (class Initialize_lock_once): Define.
1140 (initialize_lock_control): New static variable.
1141 (initialize_lock_pointer): New static variable.
1142 (initialize_lock_once): New static function.
1143 (Initialize_lock::Initialize_lock): Define.
1144 (Initialize_lock::initialize): Define.
1145 * target-select.h: Include "gold-threads.h".
1146 (class Target_selector): Add lock_ and initialize_lock_ fields.
1147 Don't define instantiate_target, just declare it.
1148 * target-select.cc (Target_selector::Target_selector): Initialize
1150 (Target_selector::instantiate_target): Define.
1151 * descriptors.h: Include "gold-threads.h".
1152 (class Descriptors): Add initialize_lock_ field.
1153 * descriptors.cc (Descriptors::Descriptors): Initialize new
1155 (Descriptors::open): Use initialize_lock_ field
1156 * errors.h (class Errors): Add initialize_lock_ field.
1157 * errors.cc (Errors::Errors): Initialize new field.
1158 (Errors::initialize_lock): Use initialize_lock_ field.
1159 * powerpc.cc (class Target_selector_powerpc): Remove
1160 instantiated_target_ field. In do_recognize call
1161 instantiate_target rather than do_instantiate_target. In
1162 do_instantiate_target just allocate a new target.
1163 * sparc.cc (class Target_selector_sparc): Likewise.
1165 * freebsd.h: New file.
1166 * i386.cc: Include "freebsd.h".
1167 (Target_i386): Derive from Target_freebsd rather than
1169 (Target_selector_i386): Derive from Target_selector_freebsd rather
1170 than Target_selector.
1171 * x86_64.cc: Include "freebsd.h".
1172 (Target_x86_64): Derive from Target_freebsd rather than
1174 (Target_selector_x86_64): Derive from Target_selector_freebsd
1175 rather than Target_selector.
1176 * target.h (class Target): Add adjust_elf_header and
1177 do_adjust_elf_header.
1178 * output.cc (Output_file_header:: do_sized_write): Call target
1179 adjust_elf_header routine.
1180 * configure.tgt: Set targ_osabi.
1181 * configure.ac: Define GOLD_DEFAULT_OSABI.
1182 * parameters.cc (Parameters::default_target): Pass
1183 GOLD_DEFAULT_OSABI to select_target.
1184 * target-select.h (class Target_selector): Make instantiate_target
1185 protected rather than private.
1186 * Makefile.am (HFILES): Add freebsd.h.
1187 * configure, Makefile.in, config.in: Rebuild.
1189 * merge.cc (do_add_input_section): Correct pend value. Change
1190 message about last entry not being null terminated from error to
1193 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
1195 * incremental.cc: New file.
1196 * Makefile.am (CCFILES): Add incremental.cc.
1197 * Makefile.in: Rebuild.
1199 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
1201 * layout.cc (Layout::output_section_name): Preserve names
1202 of '.note.' sections.
1204 2009-03-19 Ian Lance Taylor <iant@google.com>
1206 * descriptors.cc (Descriptors::open): Check that the options are
1207 valid before using them.
1209 2009-03-18 Ian Lance Taylor <iant@google.com>
1211 * script-sections.h: Include <list>.
1212 (class Script_sections): Change Sections_elements from std::vector
1213 to std::list. Typedef public Elements_iterator. Add
1214 orphan_section_placement_, data_segment_align_start_, and
1215 saw_data_segment_align_ fields. Remove data_segment_align_index_
1217 * script-sections.cc (class Orphan_section_placement): New class.
1218 (class Sections_element): Add virtual functions is_relro and
1219 orphan_section_init. Remove virtual function place_orphan_here.
1220 (class Output_section_definition): Add is_relro and
1221 orphan_section_init. Remove place_orphan_here.
1222 (class Orphan_output_section): Likewise.
1223 (Script_sections::Script_sections): Update for field changes.
1224 (Script_sections::data_segment_align): Set saw_data_segment_align_
1225 and data_segment_align_start_, not data_segment_align_index.
1226 (Script_sections::data_segment_relro_end): Check
1227 saw_data_segment_align_. Use data_segment_align_start_ rather
1228 than data_segment_align_index_.
1229 (Script_sections::place_orphan): Rewrite to use
1230 Orphan_section_placement.
1232 2009-03-17 Ian Lance Taylor <iant@google.com>
1234 * archive.cc (Archive::add_symbols): Check for a version attached
1235 to the symbol name in the archive map.
1236 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
1237 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
1238 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
1239 (ver_test_11.a): New target.
1240 * testsuite/Makefile.in: Rebuild.
1242 * configure.ac: Check for chsize and posix_fallocate. Replace
1244 * ftruncate.c: New file, from gnulib.
1245 * output.cc (posix_fallocate): Define dummy version if not
1246 HAVE_POSIX_FALLOCATE.
1247 (Output_file::map): Call posix_fallocate rather than lseek and
1249 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
1250 * configure, Makefile.in, config.in: Rebuild.
1252 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
1254 * layout.h (Layout::create_note): Add section_name parameter.
1255 * layout.cc (Layout::create_note): Likewise.
1256 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
1258 2009-03-17 Ian Lance Taylor <iant@google.com>
1260 * descriptors.cc: Include "options.h".
1261 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
1262 (Descriptors::open): Always use O_CLOEXEC when opening a new
1263 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
1264 then set FD_CLOEXEC.
1266 * sparc.cc (class Target_sparc): Add has_got_section.
1267 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
1268 make sure we have a GOT section.
1270 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
1271 (Target_sparc::Scan::local): Likewise.
1272 (Target_sparc::Scan::global): Likewise.
1273 (Target_sparc::Relocate::relocate): Likewise.
1274 (Target_sparc::Relocate::relocate_tls): Likewise.
1276 * symtab.cc (Symbol_table::define_default_version): New function,
1277 broken out of add_from_object.
1278 (Symbol_table::add_from_object): Call define_default_version.
1279 (Symbol_table::define_special_symbol): Add resolve_oldsym
1280 parameter. Change all callers. If the version for a symbol comes
1281 from a version script, resolve it with the symbol with the same
1282 name with no version. Also add the symbol without a version if
1284 (do_define_in_output_data): If resolving with oldsym, don't delete
1286 (do_define_in_output_segment): Likewise.
1287 (do_define_as_constant): Likewise.
1288 * symtab.h (class Symbol_table): Update declarations.
1290 2009-03-13 Ian Lance Taylor <iant@google.com>
1292 * readsyms.cc (Read_symbols::incompatible_warning): New function.
1293 (Read_symbols::requeue): New function.
1294 (Read_symbols::do_read_symbols): If make_elf_object fails because
1295 the target type is not configured, and the file was searched for,
1296 issue a warning and retry with the next directory.
1297 (Add_symbols::run): If the file has an incompatible format, and
1298 it was searched for, requeue the Read_symbols task. On error,
1300 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
1301 dirindex parameter to constructor. Change all callers. Declare
1302 incompatible_warning and requeue.
1303 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
1304 input_argument_ and input_group_ fields. Add them to
1305 constructor. Change all callers.
1306 (class Read_script): Add dirindex_ field. Add it to constructor.
1308 * archive.cc (Archive::setup): Remove input_objects parameter.
1310 (Archive::get_file_and_offset): Likewise.
1311 (Archive::read_all_symbols): Likewise.
1312 (Archive::read_symbols): Likewise.
1313 (Archive::get_elf_object_for_member): Remove input_objects
1314 parameter. Add punconfigured parameter. Change all callers.
1315 (Archive::add_symbols): Change return type to bool. Check return
1316 value of include_member.
1317 (Archive::include_all_members): Likewise.
1318 (Archive::include_member): Change return type to bool. Return
1319 false if first included object has incompatible target. Set
1320 included_member_ field.
1321 (Add_archive_symbols::run): If add_symbols returns false, requeue
1323 * archive.h (class Archive): Add included_member_ field.
1324 Initialize it in constructor. Add input_file and searched_for
1325 methods. Update declarations.
1326 (class Add_archive_symbols): Add dirpath_, dirindex_, and
1327 input_argument_ fields. Add them to constructor. Change all
1329 * script.cc: Include "target-select.h".
1330 (class Parser_closure): Add skip_on_incompatible_target_ and
1331 found_incompatible_target_ fields. Add
1332 skip_on_incompatible_target parameter to constructor. Change all
1333 callers. Add methods skip_on_incompatible_target,
1334 clear_skip_on_incompatible_target, found_incompatible_target, and
1335 set_found_incompatible_target.
1336 (read_input_script): Add dirindex parameter. Change all callers.
1337 If parser finds an incompatible target, requeue Read_symbols
1339 (script_set_symbol): Clear skip_on_incompatible_target in
1341 (script_add_assertion, script_parse_option): Likewise.
1342 (script_start_sections, script_add_phdr): Likewise.
1343 (script_check_output_format): New function.
1344 * script.h (read_input_script): Update declaration.
1345 * script-c.h (script_check_output_format): Declare.
1346 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
1347 (ignore_cmd): Remove OUTPUT_FORMAT.
1348 * fileread.cc (Input_file::Input_file): Add explicit this.
1349 (Input_file::will_search_for): New function.
1350 (Input_file::open): Add pindex parameter. Change all callers.
1351 * fileread.h (class Input_file): Add input_file_argument method.
1352 Declare will_search_for. Update declarations.
1353 * object.cc (make_elf_object): Add punconfigured parameter.
1355 * object.h (class Object): Make input_file public. Add
1356 searched_for method.
1357 (make_elf_object): Update declaration.
1358 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
1360 * dirsearch.h (class Dirsearch): Update declaration.
1361 * options.h (class General_options): Add --warn-search-mismatch.
1362 * parameters.cc (Parameters::is_compatible_target): New function.
1363 * parameters.h (class Parameters): Declare is_compatible_target.
1364 * workqueue.cc (Workqueue::add_blocker): New function.
1365 * workqueue.h (class Workqueue): Declare add_blocker.
1367 * fileread.cc (Input_file::open): Remove options parameter.
1369 (Input_file::open_binary): Likewise.
1370 * script.cc (read_input_script): Likewise.
1371 * readsyms.h (class Read_symbols): Remove options_ field. Remove
1372 options parameter from constructor. Change all callers.
1373 (class Read_script): Likewise.
1374 * fileread.h (class Input_file): Update declarations.
1375 * script.h (read_input_script): Update declaration.
1377 2009-03-10 Nick Clifton <nickc@redhat.com>
1379 * po/es.po: New Spanish translation.
1381 2009-03-06 Cary Coutant <ccoutant@google.com>
1383 * options.cc (parse_short_option): Keep dash_z from registering itself.
1385 2009-03-03 Ian Lance Taylor <iant@google.com>
1388 * target-reloc.h (relocate_section): Pass output_section to
1390 * i386.cc (Target_i386::should_apply_static_reloc): Add
1391 output_section parameter. Change all callers.
1392 (Target_i386::Relocate::relocate): Add output_section parameter.
1393 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1394 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
1395 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
1396 * testsuite/two_file_shared.sh: New script.
1397 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
1398 (check_DATA): Add two_file_shared.dbg.
1399 (two_file_shared.dbg): New target.
1400 * testsuite/Makefile.in: Rebuild.
1402 2009-03-01 Ian Lance Taylor <iant@google.com>
1404 * configure.ac: Check for byteswap.h.
1405 * configure: Rebuild.
1406 * config.in: Rebuild.
1408 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
1410 * layout.cc (Layout::find_or_add_kept_section): New function.
1411 (Layout::add_comdat): Removed.
1412 * layout.h (struct Kept_section): Move out of class Layout.
1413 Remove trailing underscores from field names. Add group_sections
1414 field. Rename group_ field to is_group. Change all uses.
1415 (class Layout): Declare find_or_add_kept_section, not add_comdat.
1416 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
1417 comdat_groups_ field.
1418 (Sized_relobj::include_section_group): Use
1419 find_or_add_kept_section and Kept_section::group_sections.
1420 (Sized_relobj::include_linkonce_section): Likewise.
1421 * object.cc (class Sized_relobj): Don't define Comdat_group or
1422 Comdat_group_table. Remove find_comdat_group and
1423 add_comdat_group. Remove comdat_groups_ field.
1424 * plugin.cc (include_comdat_group): Use
1425 Layout::find_or_add_kept_section.
1427 2009-02-28 Ian Lance Taylor <iant@google.com>
1429 * README: --gc-sections and map files are now supported. Document
1430 some build requirements.
1433 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
1434 relocatable link set the value of the section symbol to zero.
1435 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
1436 relocatable link don't include the section address in the local
1439 2009-02-27 Ian Lance Taylor <iant@google.com>
1442 * options.h (class Search_directory): Add is_system_directory.
1443 (class General_options): Declare is_in_system_directory.
1444 * options.cc (get_relative_sysroot): Make static.
1445 (get_default_sysroot): Make static.
1446 (General_optoins::is_in_system_directory): New function.
1447 * fileread.cc (Input_file::is_in_system_directory): New function.
1448 * fileread.h (class Input_file): Declare is_in_system_directory.
1449 * object.h (class Object): Add is_in_system_directory.
1450 (class Input_objects): Remove system_library_directory_ field.
1451 * object.cc (Input_objects::add_object): Don't set
1452 system_library_directory_.
1453 (input_objects::found_in_system_library_directory): Remove.
1454 * symtab.cc (Symbol_table::write_globals): Remove input_objects
1455 parameter. Change all callers.
1456 (Symbol_table::sized_write_globals): Likewise.
1457 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
1458 Call Object::is_in_system_directory.
1459 * symtab.h (class Symbol_table): Update declarations.
1462 * descriptors.h (Open_descriptor): Add is_on_stack field.
1463 * descriptors.cc (Descriptors::open): If the descriptor is on the
1464 top of the stack, remove it. Initialize is_on_stack field.
1465 (Descriptors::release): Only add pod to stack if it is not on the
1467 (Descriptors::close_some_descriptor): Clear stack_next and
1471 * output.cc (Output_section::find_starting_output_address): Rename
1472 from starting_output_address; add PADDR parameter; change return
1474 * output.h (class Output_section): Declare
1475 find_starting_output_address instead of starting_output_address.
1476 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
1477 section symbol for which we can't find a merge section.
1480 * symtab.cc (Symbol_table::add_from_object): If the visibility is
1481 hidden or internal, force the symbol to be local.
1482 * resolve.cc (Symbol::override_visibility): Define.
1483 (Symbol::override_base): Use override_visibility.
1484 (Symbol_table::resolve): Likewise.
1485 (Symbol::override_base_with_special): Likewise.
1486 (Symbol_table::override_with_special): If the visibility is hidden
1487 or internal, force the symbol to be local.
1488 * symtab.h (class Symbol): Add set_visibility and
1489 override_visibility.
1490 * testsuite/ver_test_1.sh: New file.
1491 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
1492 (check_DATA): Add ver_test_1.syms.
1493 (ver_test_1.syms): New target.
1494 * testsuite/Makefile.in: Rebuild.
1496 2009-02-25 Cary Coutant <ccoutant@google.com>
1498 * layout.cc (Layout::choose_output_section): Don't rename sections
1499 when using a linker script that has a SECTIONS clause.
1500 * Makefile.in: Regenerate.
1502 * testsuite/Makefile.am (script_test_5.sh): New test case.
1503 * testsuite/Makefile.in: Regenerate.
1504 * testsuite/script_test_5.cc: New file.
1505 * testsuite/script_test_5.sh: New file.
1506 * testsuite/script_test_5.t: New file.
1508 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
1510 * archive.cc (Archive::include_member): Update calls to add_symbols.
1511 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
1512 the Layout argument.
1513 * dynobj.h (do_add_symbols): Add the Layout argument.
1514 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
1516 * object.h (Object::add_symbols): Add the Layout argument.
1517 (Object::do_add_symbols): Add the Layout argument.
1518 (Sized_relobj::do_add_symbols): Add the Layout argument.
1519 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
1520 Unify the two versions.
1521 (Add_plugin_symbols): Remove.
1522 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
1523 (Sized_pluginobj::do_add_symbols): Unify the two versions.
1524 (Add_plugin_symbols): Remove.
1525 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
1526 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
1527 (Add_symbols::run): Make it work with Pulginobj.
1529 2009-02-06 Ian Lance Taylor <iant@google.com>
1531 * object.cc (Sized_relobj::do_layout): Make info message start
1532 with lower case letter.
1534 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
1536 * binary.cc: Fix file comment.
1538 * options.h (enum Incremental_disposition): Define.
1539 (class General_options): Add new options: --incremental,
1540 --incremental_changed, --incremental_unchanged,
1541 --incremental_unknown. Add incremental_disposition_ and
1542 implicit_incremental_ fields.
1543 (General_options::incremental_disposition): New function.
1544 (class Position_dependent_options): Add incremental_disposition
1546 (Position_dependent_options::copy_from_options): Set incremental
1548 * options.cc (General_options::parse_incremental_changed): New
1550 (General_options::parse_incremental_unchanged): New function.
1551 (General_options::parse_incremental_unknown): New function.
1552 (General_options::General_options): Initialize new fields
1553 incremental_disposition_ and implicit_incremental_.
1554 (General_options::finalize): Check for uasge of --incremental-*
1555 without --incremental.
1557 2009-02-06 Chris Demetriou <cgd@google.com>
1559 * gold.h (gold_undefined_symbol): Change to take only a Symbol
1560 pointer and to report location as the file name associated with
1562 (gold_undefined_symbol_at_location): New function to replace the
1563 old gold_undefined_symbol functionality.
1564 * target-reloc.h (relocate_section): Update to use
1565 gold_undefined_symbol_at_location.
1566 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1567 Call gold_undefined_symbol function rather than gold_error.
1568 * errors.h (Errors::undefined_symbol): Take location as a
1569 string, rather than calculating it from a relocation.
1570 * errors.cc (Errors::fatal): Print "fatal error:" before the
1572 (Errors::error, Errors::error_at_location): Print "error: "
1573 before the formatted message.
1574 (Errors::undefined_symbol): Take location as a string, rather
1575 than calculating it from a relocation.
1576 (gold_undefined_symbol_at_location): New function akin to
1577 old gold_undefined_symbol, calculates location from relocation.
1578 (gold_undefined_symbol): Change to take only a Symbol pointer
1579 and to report location as the file name associated with the symbol.
1580 * testsuite/debug_msg.sh: Update for changed error messages.
1581 * testsuite/undef_symbol.sh: Likewise.
1583 2009-02-04 Duncan Sands <baldrick@free.fr>
1586 * reduced_debug_output.h
1587 (Output_reduced_debug_abbrev_section::failed): Use format for
1589 (Output_reduced_debug_info_section::faild): Likewise.
1591 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
1593 * script.cc (Lazy_demangler): New class.
1594 (Version_script_info::get_symbol_version_helper): Demangle a
1597 2009-01-29 Cary Coutant <ccoutant@google.com>
1599 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
1601 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1603 2009-01-28 Ian Lance Taylor <iant@google.com>
1605 * version.cc (version_string): Bump to 1.9.
1607 * gold.h: Include <cstring> and <stdint.h>.
1608 * version.cc: Include <cstdio>.
1609 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
1611 * reduced_debug_output.cc (insert_into_vector): Rename from
1612 Insert_into_vector; change all callers. Use Swap_unaligned to
1613 avoid aliasing issue; remove union since it is unnecessary.
1615 2009-01-27 Sriraman Tallam <tmsriram@google.com>
1617 * Makefile.am (CCFILES): Add gc.cc.
1619 * Makefile.in: Regenerate.
1620 * gold.cc (Gc_runner): New class.
1621 (queue_initial_tasks): Call garbage collection related tasks
1622 when corresponding options are invoked.
1623 (queue_middle_gc_tasks): New function.
1624 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
1625 processed early before laying out sections during garbage collection.
1626 * gold.h (queue_middle_gc_tasks): New function.
1627 (is_prefix_of): Move from "layout.cc".
1628 * i386.cc (Target_i386::gc_process_relocs): New function.
1629 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
1630 * main.cc (main): Create object of class "Garbage_collection".
1631 * object.cc (Relobj::copy_symbols_data): New function.
1632 (Relobj::is_section_name_included): New function.
1633 (Sized_relobj::do_layout): Allow this function to be called twice
1634 during garbage collection and defer layout of section during the
1636 * object.h (Relobj::get_symbols_data): New function.
1637 (Relobj::is_section_name_included): New function.
1638 (Relobj::copy_symbols_data): New function.
1639 (Relobj::set_symbols_data): New function.
1640 (Relobj::get_relocs_data): New function.
1641 (Relobj::set_relocs_data): New function.
1642 (Relobj::is_output_section_offset_invalid): New pure virtual function.
1643 (Relobj::gc_process_relocs): New function.
1644 (Relobj::do_gc_process_relocs): New pure virtual function.
1645 (Relobj::sd_): New data member.
1646 (Sized_relobj::is_output_section_offset_invalid): New function.
1647 (Sized_relobj::do_gc_process_relocs): New function.
1648 * options.h (General_options::gc_sections): Modify to not be a no-op.
1649 (General_options::print_gc_sections): New option.
1650 * plugin.cc (Plugin_finish::run): Remove function call to
1651 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
1652 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
1653 * reloc.cc (Read_relocs::run): Add task to process relocs and
1654 determine unreferenced sections when doing garbage collection.
1655 (Gc_process_relocs): New class.
1656 (Sized_relobj::do_gc_process_relocs): New function.
1657 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
1658 sections that are garbage collected.
1659 * reloc.h (Gc_process_relocs): New class.
1660 * sparc.cc (Target_sparc::gc_process_relocs): New function.
1661 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
1662 symbols whose corresponding sections are garbage collected.
1663 (Symbol_table::Symbol_table): Add new parameter for the garbage
1665 (Symbol_table::gc_mark_undef_symbols): New function.
1666 (Symbol_table::gc_mark_symbol_for_shlib): New function.
1667 (Symbol_table::gc_mark_dyn_syms): New function.
1668 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
1670 (Symbol_table::add_from_object): Likewise.
1671 (Symbol_table::add_from_relobj): When building shared objects, do not
1672 treat externally visible symbols as garbage.
1673 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
1674 table information for static and relocatable links.
1675 * symtab.h (Symbol_table::set_gc): New function.
1676 (Symbol_table::gc): New function.
1677 (Symbol_table::gc_mark_undef_symbols): New function.
1678 (Symbol_table::gc_mark_symbol_for_shlib): New function.
1679 (Symbol_table::gc_mark_dyn_syms): New function.
1680 (Symbol_table::gc_): New data member.
1681 * target.h (Sized_target::gc_process_relocs): New pure virtual
1683 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
1684 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
1686 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
1688 * options.h (General_options::gc_sections): Define as a no-op for now.
1689 (General_options::no_keep_memory): Ditto.
1690 (General_options::Bshareable): Define.
1691 * options.cc (General_options::finalize): Honor -Bshareable.
1693 2009-01-20 Andreas Schwab <schwab@suse.de>
1695 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
1696 read the value in the contents, since we don't use it. Use the
1697 template endianness when writing.
1698 (Relocate::relocate): Use it for R_PPC_REL16_HA.
1700 2009-01-19 Andreas Schwab <schwab@suse.de>
1702 * configure.tgt (powerpc64-*): Fix targ_obj.
1704 2009-01-15 Ian Lance Taylor <iant@google.com>
1706 * object.cc (Sized_relobj::write_local_symbols): Don't write out
1707 local symbols when stripping all symbols.
1709 2009-01-14 Cary Coutant <ccoutant@google.com>
1711 * output.cc (Output_reloc): Add explicit instantiations.
1713 2009-01-14 Cary Coutant <ccoutant@google.com>
1715 * archive.cc (Archive::get_elf_object_for_member): Remove call
1716 to File_read::claim_for_plugin.
1717 * descriptors.cc (Descriptors::open): Remove reference to
1719 (Descriptors::claim_for_plugin): Remove.
1720 * descriptors.h (Descriptors::claim_for_plugin): Remove.
1721 (Descriptors::is_claimed): Remove.
1722 (claim_descriptor_for_plugin): Remove.
1723 * fileread.cc (File_read::claim_for_plugin): Remove.
1724 * fileread.h (File_read::claim_for_plugin): Remove.
1725 (File_read::descriptor): Reopen descriptor if necessary.
1726 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
1727 (Plugin_manager::all_symbols_read): Add task parameter. Change
1729 (Plugin_manager::get_input_file): New function.
1730 (Plugin_manager::release_input_file): New function.
1731 (Pluginobj::Pluginobj): Add filesize parameter and initialize
1732 corresponding data member.
1733 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
1734 and pass to base constructor. Change all callers.
1735 (get_input_file, release_input_file): New functions.
1736 (make_sized_plugin_object): Add filesize parameter. Change all callers.
1737 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
1738 (Plugin_manager::all_symbols_read): Add task parameter.
1739 (Plugin_manager::get_input_file): New function.
1740 (Plugin_manager::release_input_file): New function.
1741 (Plugin_manager::task_): New data member.
1742 (Pluginobj::Pluginobj): Add filesize parameter.
1743 (Pluginobj::filename): New function.
1744 (Pluginobj::descriptor): New function.
1745 (Pluginobj::filesize): New function.
1746 (Pluginobj::filesize_): New data member.
1747 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
1748 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
1749 File_read::claim_for_plugin; use Object::unlock to unlock the file.
1751 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
1752 with archive libraries.
1753 * testsuite/Makefile.in: Regenerate.
1754 * testsuite/plugin_test.c (struct sym_info): New type.
1755 (get_input_file, release_input_file): New static variables.
1756 (onload): Capture new transfer vector entries.
1757 (claim_file_hook): Stop reading at end of file according to filesize.
1758 Factor out parsing of readelf output into separate function.
1759 (all_symbols_read_hook): Exercise get_input_file and release_input_file
1760 APIs and get the source file name from the symbol table. Convert
1761 source file name to corresponding object file name. Print info
1762 message when adding new input files.
1763 (parse_readelf_line): New function.
1764 * testsuite/plugin_test_1.sh: Add checks for new info messages.
1765 * testsuite/plugin_test_2.sh: Likewise.
1766 * testsuite/plugin_test_3.sh: Likewise.
1767 * testsuite/plugin_test_4.sh: New test case.
1769 2009-01-07 Ian Lance Taylor <iant@google.com>
1771 * version.cc (version_string): Bump to 1.8.
1773 2008-12-23 Cary Coutant <ccoutant@google.com>
1775 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
1776 * plugin.cc (Plugin_manager::finish): Rename as
1777 layout_deferred_objects. Move cleanup to separate function.
1778 (Plugin_manager::cleanup): New function.
1779 (Plugin_finish::run): Call layout_deferred_objects and cleanup
1781 * plugin.h (Plugin_manager::finish): Rename as
1782 layout_deferred_objects.
1783 (Plugin_manager::cleanup): New function.
1784 (Plugin_manager::cleanup_done): New field.
1786 2008-12-23 Cary Coutant <ccoutant@google.com>
1788 * plugin.cc (is_visible_from_outside): New function.
1789 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
1790 so we don't return "IR only" status for exported symbols or -r links.
1792 * testsuite/Makefile.am (plugin_test_3): New test case.
1793 * testsuite/Makefile.in: Regenerate.
1794 * testsuite/plugin_test_3.sh: New file.
1796 2008-12-22 Cary Coutant <ccoutant@google.com>
1798 * object.cc (Sized_relobj::layout_section): New function.
1799 (Sized_relobj::do_layout): Defer layout of input sections until after
1800 plugin has provided replacement files.
1801 (Sized_relobj::do_layout_deferred_sections): New function.
1802 * object.h (Relobj::set_section_offset): Remove virtual keyword.
1803 (Relobj::layout_deferred_sections): New function.
1804 (Relobj::do_layout_deferred_sections): New function.
1805 (Sized_relobj::do_layout_deferred_sections): New function.
1806 (Sized_relobj::layout_section): New function.
1807 (Sized_relobj::Deferred_layout): New structure.
1808 (Sized_relobj::deferred_layout_): New field.
1809 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
1810 Change all callers. Layout deferred sections.
1811 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
1813 (Plugin_hook::run): Move code from do_plugin_hook inline.
1814 (Plugin_hook::do_plugin_hook): Remove.
1815 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
1816 (Plugin_manager::finish): Renamed, was cleanup.
1817 (Plugin_manager::should_defer_layout): New function.
1818 (Plugin_manager::add_deferred_layout_object): New function.
1819 (Plugin_manager::Deferred_layout_list): New type.
1820 (Plugin_manager::deferred_layout_objects_): New field.
1821 (Plugin_hook::do_plugin_hook): Remove.
1823 2008-12-17 Ian Lance Taylor <iant@google.com>
1825 * options.h (class General_options): Add --no case for
1828 2008-12-16 Cary Coutant <ccoutant@google.com>
1830 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
1832 (Plugin_manager::claim_file): Create plugin object even if
1833 plugin did not call the add_symbols callback.
1834 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
1835 asking for more symbols than were added.
1836 * testsuite/Makefile.am (plugin_test_1): Add test case with
1838 (empty.syms): New target.
1839 * testsuite/Makefile.in: Regenerate.
1840 * testsuite/plugin_test.c (claim_file_hook): Add new debug
1841 message. Don't call add_symbols if no globals.
1842 (all_symbols_read_hook): Don't provide replacement for empty
1845 2008-12-12 Ian Lance Taylor <iant@google.com>
1847 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
1848 r_type == 0 for a local symbol with r_sym == 0.
1849 (scan_relocatable_relocs): Pass r_sym to
1850 local_non_section_strategy.
1851 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
1854 * configure.ac: Update test for TLS descriptors: they are
1855 supported as of glibc 2.9.
1856 * configure: Rebuild.
1858 2008-12-11 Ian Lance Taylor <iant@google.com>
1861 * target-reloc.h (Default_scan_relocatable_relocs): For each
1862 function, map r_type == 0 to RELOC_DISCARD.
1864 2008-12-10 Cary Coutant <ccoutant@google.com>
1866 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
1867 object to override a kept COMDAT group from a plugin object.
1869 2008-12-09 Ian Lance Taylor <iant@google.com>
1872 * yyscript.y (file_cmd): Handle INPUT.
1874 * testsuite/initpri1.c: Change all declarations to be full
1875 prototypes by adding void, to avoid compiler warnings.
1877 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
1879 * options.cc (General_options::parse_plugin_opt): New.
1880 (General_options::add_plugin): The argument now is just the filename.
1881 (General_options::add_plugin_option): New.
1882 * options.h (plugin_opt): New.
1883 (add_plugin): Change argument name.
1884 (add_plugin_option): New.
1885 * plugin.cc (Plugin::load): Don't parse the plugin option.
1886 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
1887 (Plugin::add_option): New.
1888 (Plugin::args_): Change type.
1889 (Plugin::filename_): New.
1890 (Plugin_manager::add_plugin_option): New.
1891 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
1892 * testsuite/Makefile.in: Regenerate.
1894 2008-12-05 Cary Coutant <ccoutant@google.com>
1896 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
1897 Handle --strip-lto-sections option.
1898 * options.h (strip_lto_sections): New option.
1900 2008-12-01 Cary Coutant <ccoutant@google.com>
1902 * plugin.cc (ld_plugin_message): Change format parameter to const.
1903 Fix mismatch between new[] and delete.
1905 2008-11-14 Cary Coutant <ccoutant@google.com>
1907 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
1910 2008-11-05 Craig Silverstein <csilvers@google.com>
1912 * options.cc (General_options::parse_dynamic_list): New function.
1913 * options.h (General_options): New flags dynamic_list,
1914 dynamic_list_data, dynamic_list_cpp_new, and
1915 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
1916 (General_options::in_dynamic_list): New function.
1917 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
1918 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
1919 (Lex::can_continue_name): Likewise.
1921 (read_script_file): New parameter script_options.
1922 (read_dynamic_list): New function.
1923 (Script_options::define_dynamic_list): New function.
1924 (dynamic_list_keyword_parsecodes): New variable.
1925 (dynamic_list_keywords): New variable.
1926 * script.h (Script_options::define_dynamic_list): New function
1928 (read_dynamic_list): New function prototype.
1929 * symtab.cc (strprefix): New macro.
1930 (Symbol::should_add_dynsym_entry): Support dynamic_list,
1931 dynamic_list_data, dynamic_list_cpp_new, and
1932 dynamic_list_cpp_typeinfo.
1933 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
1934 (dynamic_list_expr): New rule.
1935 (dynamic_list_nodes): Likewise.
1936 (dynamic_list_node): Likewise.
1937 * testsuite/Makefile.am (dynamic_list): New test.
1938 * testsuite/Makefile.in: Regenerated.
1939 * testsuite/dynamic_list.t: New file.
1940 * testsuite/dynamic_list.sh: New file.
1942 2008-11-05 Craig Silverstein <csilvers@google.com>
1944 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
1945 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
1946 (t11_last): Likewise.
1947 * testsuite/ver_test_6.c (main): Likewise.
1949 2008-10-07 Cary Coutant <ccoutant@google.com>
1951 * options.c (General_options::finalize): Add check for -static and
1953 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
1956 2008-10-02 Cary Coutant <ccoutant@google.com>
1958 * plugin.cc (make_sized_plugin_object): Fix conditional
1959 compilation to work when not all targets are enabled.
1961 2008-09-29 Cary Coutant <ccoutant@google.com>
1963 * archive.cc (Archive::get_file_and_offset): Use filename instead
1964 of name to get library path.
1965 (Archive::include_member): Unlock external member of a thin archive.
1967 * testsuite/Makefile.am (TEST_AR): New variable.
1968 (thin_archive_test_1): New test.
1969 (thin_archive_test_2): New test.
1970 * testsuite/Makefile.in: Regenerate.
1971 * testsuite/thin_archive_main.cc: New file.
1972 * testsuite/thin_archive_test_1.cc: New file.
1973 * testsuite/thin_archive_test_2.cc: New file.
1974 * testsuite/thin_archive_test_3.cc: New file.
1975 * testsuite/thin_archive_test_4.cc: New file.
1977 2008-09-29 Cary Coutant <ccoutant@google.com>
1979 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
1980 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
1982 (Sized_relobj::do_finalize_local_symbols): Likewise.
1983 (Sized_relobj::map_to_kept_section): Likewise.
1984 * object.h (Sized_relobj::invalid_address): New constant.
1985 (Sized_relobj::do_output_section_offset): Check for invalid_address
1987 * output.cc (Output_reloc::local_section_offset): Use constant
1988 invalid_address instead of -1U.
1989 (Output_reloc::get_address): Likewise.
1990 (Output_section::output_address): Change -1U to -1ULL.
1991 * output.h (Output_reloc::invalid_address): New constant.
1992 * reloc.cc (Sized_relobj::write_sections): Use constant
1993 invalid_address instead of -1U.
1994 (Sized_relobj::relocate_sections): Likewise.
1995 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
1996 values for merge sections.
1997 * target-reloc.h (relocate_for_relocatable): Use constant
1998 invalid_address instead of -1U.
2000 2008-09-19 Cary Coutant <ccoutant@google.com>
2002 Add plugin functionality for link-time optimization (LTO).
2003 * configure.ac (plugins): Add --enable-plugins option.
2004 * configure: Regenerate.
2005 * config.in: Regenerate.
2006 * Makefile.am (LIBDL): New variable.
2007 (CCFILES): Add plugin.cc.
2008 (HFILES): Add plugin.h.
2009 (ldadd_var): Add LIBDL.
2010 * Makefile.in: Regenerate.
2012 * archive.cc: Include "plugin.h".
2013 (Archive::setup): Don't preread archive symbols when using a plugin.
2014 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
2015 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
2017 (Archive::include_member): Add symbols from plugin objects.
2018 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
2019 * descriptors.cc (Descriptors::open): Check for file descriptors
2020 abandoned by plugins.
2021 (Descriptors::claim_for_plugin): New function.
2022 * descriptors.h (Descriptors::claim_for_plugin): New function.
2023 (Open_descriptor::is_claimed): New field.
2024 (claim_descriptor_for_plugin): New function.
2025 * fileread.cc (File_read::claim_for_plugin): New function.
2026 * fileread.h (File_read::claim_for_plugin): New function.
2027 (File_read::descriptor): New function.
2028 * gold.cc: Include "plugin.h".
2029 (queue_initial_tasks): Add task to call plugin hooks for generating
2031 * main.cc: Include "plugin.h".
2032 (main): Load plugin libraries.
2033 * object.h (Pluginobj): Declare.
2034 (Object::pluginobj): New function.
2035 (Object::do_pluginobj): New function.
2036 (Object::set_target): New function.
2037 * options.cc: Include "plugin.h".
2038 (General_options::parse_plugin): New function.
2039 (General_options::General_options): Initialize plugins_ field.
2040 (General_options::add_plugin): New function.
2041 * options.h (Plugin_manager): Declare.
2042 (General_options): Add --plugin option.
2043 (General_options::has_plugins): New function.
2044 (General_options::plugins): New function.
2045 (General_options::add_plugin): New function.
2046 (General_options::plugins_): New field.
2047 * plugin.cc: New file.
2048 * plugin.h: New file.
2049 * readsyms.cc: Include "plugin.h".
2050 (Read_symbols::do_read_symbols): Check for archive before checking
2051 for ELF file. Call plugin hooks to claim files.
2052 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
2053 from a real object file; force override when processing replacement
2055 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
2056 (Symbol::init_base_object): Likewise.
2057 (Symbol::init_base_output_data): Likewise.
2058 (Symbol::init_base_output_segment): Likewise.
2059 (Symbol::init_base_constant): Likewise.
2060 (Symbol::init_base_undefined): Likewise.
2061 (Symbol::output_section): Assert that object is not a plugin.
2062 (Symbol_table::add_from_pluginobj): New function.
2063 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
2065 (Symbol_table::sized_write_globals): Likewise.
2066 (Symbol_table::add_from_pluginobj): Instantiate template.
2067 * symtab.h (Sized_pluginobj): Declare.
2068 (Symbol::in_real_elf): New function.
2069 (Symbol::set_in_real_elf): New function.
2070 (Symbol::in_real_elf_): New field.
2071 (Symbol_table::add_from_pluginobj): New function.
2073 * testsuite/Makefile.am (AM_CFLAGS): New variable.
2074 (LIBDL): New variable.
2076 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
2077 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
2078 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
2079 (MOSTLYCLEANFILES): Likewise.
2080 * testsuite/Makefile.in: Regenerate.
2081 * testsuite/plugin_test.c: New file.
2082 * testsuite/plugin_test_1.sh: New file.
2083 * testsuite/plugin_test_2.sh: New file.
2085 2008-09-16 Ian Lance Taylor <iant@google.com>
2087 * target-reloc.h (relocate_section): Check whether a symbol is
2088 defined by the ABI before reporting an undefined symbol error.
2089 * target.h (Target::is_defined_by_abi): Make parameter const.
2090 (Target::do_is_defined_by_abi): Likewise.
2091 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
2092 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
2093 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
2094 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
2095 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
2096 * testsuite/Makefile.in: Rebuild.
2098 * fileread.cc (make_view): Add casts to avoid warning.
2100 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
2102 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
2103 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2105 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
2107 * options.h (General_options::output_is_executable): New.
2108 (General_options::output_is_pie): New.
2109 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
2110 for shared libraries.
2111 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2113 2008-09-11 Chris Demetriou <cgd@google.com>
2115 * options.h (origin): New -z option.
2116 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
2117 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
2120 2008-09-05 Cary Coutant <ccoutant@google.com>
2122 * fileread.cc (File_read::make_view): Add check for attempt to map
2125 2008-09-05 Cary Coutant <ccoutant@google.com>
2127 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
2128 explicit instantiations.
2130 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
2133 * options.cc (General_options::finalize): Allow undefined symbols
2134 in shlibs if linking -shared.
2137 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
2138 symbols as not needing a dynsym entry.
2140 2008-08-20 Craig Silverstein <csilvers@google.com>
2142 * fileread.cc (File_read::open): Do not lock the file unless it
2143 was successfully opened.
2145 2008-08-14 Cary Coutant <ccoutant@google.com>
2147 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
2148 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
2149 * testsuite/tls_test.cc (struct int128): 128-bit struct
2150 for testing TLS relocs with non-zero addend.
2151 (v12): New TLS variable.
2153 (t_last): Add check for v12.
2154 * testsuite/tls_test.h (t12): New function.
2155 * testsuite/tls_test_main.cc (thread_routine): Call new test.
2157 2008-08-13 Ian Lance Taylor <iant@google.com>
2159 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
2160 set tls_segment_ or relro_segment_.
2161 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
2163 * output.h (Output_section::clear_is_relro): New function.
2164 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
2165 sections specially even when output_data_ is empty.
2166 (Output_segment::maximum_alignment): When first section is relro,
2167 only force alignment for PT_LOAD segments.
2168 * script.cc (script_data_segment_align): New function.
2169 (script_data_segment_relro_end): New function.
2170 * script-c.h (script_data_segment_align): Declare.
2171 (script_data_segment_relro_end): Declare.
2172 * script-sections.h (class Script_sections): Declare
2173 data_segment_align and data_segment_relro_end. Add fields
2174 segment_align_index_ and saw_relro_end_.
2175 * script-sections.cc (class Sections_element): Add set_is_relro
2176 virtual function. Add new bool* parameter to place_orphan_here.
2177 Add get_output_section virtual function.
2178 (class Output_section_definition): Add set_is_relro. Add new
2179 bool* parameter to place_orphan_here. Add get_output_section.
2180 Add is_relro_ field.
2181 (Output_section_definition::Output_section_definition): Initialize
2182 evaluated_address_, evaluated_load_address, evaluated_addralign_,
2183 and is_relro_ fields.
2184 (Output_section_definition::place_orphan_here): Add is_relro
2186 (Output_section_definition::set_section_addresses): Set relro for
2188 (Output_section_definition::alternate_constraint): Likewise.
2189 (class Orphan_output_section): Add new bool* parameter to
2190 place_orphan_here. Add get_output_section.
2191 (Orphan_output_section::place_orphan_here): Add is_relro
2193 (Script_sections::Script_sections): Initialize
2194 data_segment_align_index_ and saw_relro_end_.
2195 (Script_sections::data_segment_align): New function.
2196 (Script_sections::data_segment_relro_end): New function.
2197 (Script_sections::place_orphan): Set or clear is_relro.
2198 (Script_sections::set_section_addresses): Force alignment of first
2200 * yyscript.y (exp): Call script_data_segment_align and
2201 script_data_segment_relro_end.
2202 * testsuite/relro_script_test.t: New file.
2203 * testsuite/relro_test.cc (using_script): Declare.
2204 (t1, t2): Test using_script.
2205 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
2206 (relro_script_test_SOURCES): Define.
2207 (relro_script_test_DEPENDENCIES): Define.
2208 (relro_script_test_LDFLAGS): Define.
2209 (relro_script_test_LDADD): Define.
2210 (relro_script_test.so): New target.
2211 * testsuite/Makefile.in: Rebuild.
2213 2008-08-06 Cary Coutant <ccoutant@google.com>
2215 * archive.cc (Archive::total_archives, Archive::total_members)
2216 (Archive::total_members_loaded): New variables.
2217 (Archive::setup): Add parameter. Add option to preread
2219 (Archive::read_armap): Add counter.
2220 (Archive::get_file_and_offset): New function.
2221 (Archive::get_elf_object_for_member): New function.
2222 (Archive::read_all_symbols): New function.
2223 (Archive::read_symbols): New function.
2224 (Archive::add_symbols): Add counters.
2225 (Archive::include_all_members): Use armap to find members if it's
2227 (Archive::include_member): Skip reading symbols if already read.
2228 Factored code into Archive::get_file_and_offset and
2229 Archive::get_elf_object_for_member. Changed call to
2230 Mapfile::report_include_archive_member.
2231 (Archive::print_stats): New function.
2232 * archive.h: Declare Object and Read_symbols_data classes.
2233 (Archive::Archive): Add initializers for new members.
2234 (Archive::setup): Add parameter.
2235 (Archive::print_stats): New function.
2236 (Archive::total_archives, Archive::total_members)
2237 (Archive::total_members_loaded): New variables.
2238 (Archive::get_file_and_offset): New function.
2239 (Archive::get_elf_object_for_member): New function.
2240 (Archive::read_all_symbols): New function.
2241 (Archive::read_symbols): New function.
2242 (Archive::Archive_member): New class.
2243 (Archive::members_): New member.
2244 (Archive::num_members_): New member.
2245 * main.cc: Include archive.h.
2246 (main): Call Archive::print_stats.
2247 * mapfile.cc (Mapfile::report_include_archive_member): Delete
2248 archive parameter; member_name is now the fully-decorated name.
2249 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
2250 * options.h: (General_options): Add --preread-archive-symbols option.
2251 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
2254 2008-08-04 Ian Lance Taylor <iant@google.com>
2256 * symtab.h (Symbol::use_plt_offset): New function.
2257 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
2258 * powerpc.cc (Relocate::relocate): Likewise.
2259 * sparc.cc (Relocate::relocate): Likewise.
2260 * x86_64.cc (Relocate::relocate): Likewise.
2261 * testsuite/weak_plt.sh: New test.
2262 * testsuite/weak_plt_main.cc: New test.
2263 * testsuite/weak_plt_shared.cc: New test.
2264 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
2265 (check_PROGRAMS): Add weak_plt.
2266 (check_DATA): Add weak_plt_shared.so.
2267 (weak_plt_main_pic.o, weak_plt): New targets.
2268 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
2269 * testsuite/Makefile.in: Rebuild.
2271 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
2273 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
2274 * testsuite/Makefile.in: Rebuild.
2276 2008-08-04 Alan Modra <amodra@bigpond.net.au>
2278 * Makefile.am (POTFILES.in): Set LC_ALL=C.
2279 * Makefile.in: Regenerate.
2280 * po/POTFILES.in: Regenerate.
2282 2008-07-29 Ian Lance Taylor <iant@google.com>
2284 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
2285 symbols before other symbols.
2286 * testsuite/script_test_2.cc (test_addr): Declare.
2287 (test_addr_alias): Declare.
2288 (main): Check that test_addr and test_addr_alias have the right
2290 * testsuite/script_test_2.t: Define test_addr_alias and
2293 2008-07-24 Ian Lance Taylor <iant@google.com>
2296 * descriptors.cc: New file.
2297 * descriptors.h: New file.
2298 * gold-threads.h (class Hold_optional_lock): New class.
2299 * fileread.cc: Include "descriptors.h".
2300 (File_read::~File_read): Release descriptor rather than closing
2302 (File_read::open) [file]: Call open_descriptor rather than open.
2303 Set is_descriptor_opened_.
2304 (File_read::open) [memory]: Assert that descriptor is not open.
2305 (File_read::reopen_descriptor): New function.
2306 (File_read::release): Release descriptor.
2307 (File_read::do_read): Make non-const. Reopen descriptor.
2308 (File_read::read): Make non-const.
2309 (File_read::make_view): Reopen descriptor.
2310 (File_read::do_readv): Likewise.
2311 * fileread.h (class File_read): Add is_descriptor_opened_ field.
2312 Update declarations.
2313 * layout.cc: Include "descriptors.h".
2314 (Layout::create_build_id): Use open_descriptor rather than open.
2315 * output.cc: Include "descriptors.h".
2316 (Output_file::open): Use open_descriptor rather than open.
2317 * archive.cc (Archive::const_iterator): Change Archive to be
2319 (Archive::begin, Archive::end): Make non-const.
2320 (Archive::count_members): Likewise.
2321 * archive.h (class Archive): Update declarations.
2322 * object.h (Object::read): Make non-const.
2323 * Makefile.am (CCFILES): Add descriptors.cc.
2324 (HFILES): Add descriptors.h.
2325 * Makefile.in: Rebuild.
2328 * gold.h: Always include <clocale>. Add Solaris workarounds
2329 following code in binutils/sysdep.h.
2332 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
2333 this->eh_frame_hdr_ is NULL before using it.
2335 * dynobj.cc (Versions::Versions): Update comment.
2337 * dynobj.cc (Versions::Versions): If there is an soname, use it as
2338 the base version name.
2340 * stringpool.cc (Stringpool_template::add_with_length): Set key to
2341 array size plus one.
2342 (Stringpool_template::set_string_offsets): Subtract one from key
2343 before using it as an array index.
2344 (Stringpool_template::get_offset_with_length): Likewise.
2345 (Stringpool_template::write_to_buffer): Likewise.
2346 * stringpool.h (Stringpool_template::get_offset_from_key):
2349 2008-07-23 Ian Lance Taylor <iant@google.com>
2352 * object.h (Merged_symbol_value::value): Do our best to handle a
2356 * script.cc (Version_script_info::get_versions): Don't add empty
2357 version tag to return value.
2358 (Version_script_info::get_symbol_version_helper): Change return
2359 type to bool. Add pversion parameter. Change all callers.
2360 (script_register_vers_node): Don't require a non-NULL tag.
2361 * script.h (class Version_script_info): Update declarations.
2362 (Version_script_info::get_symbol_version): Change return type to
2363 bool. Add version parameter. Change all callers.
2364 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
2365 handling. Handle an empty version from a version script.
2366 (Symbol_table::define_special_symbol): Likewise.
2367 * testsuite/ver_test_10.script: New file.
2368 * testsuite/ver_test_10.sh: New file.
2369 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
2370 (check_DATA): Add ver_test_10.syms.
2371 (ver_test_10.syms, ver_test_10.so): New target.
2372 * testsuite/Makefile.in: Rebuild.
2374 2008-07-23 Simon Baldwin <simonb@google.com>
2376 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
2377 to zero for undefined symbols from dynamic libraries.
2379 2008-07-23 Ian Lance Taylor <iant@google.com>
2381 * symtab.cc (Symbol_table::resolve): Remove version parameter.
2383 * symtab.h (class Symbol_table): Update declaration.
2384 * testsuite/ver_test_9.cc: New file.
2385 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
2386 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
2387 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
2388 (ver_test_9.so, ver_test_9.o): New targets.
2389 * testsuite/Makefile.in: Rebuild.
2391 2008-07-22 Ian Lance Taylor <iant@google.com>
2393 * options.h (class General_options): Define --check-sections.
2394 * layout.cc (Layout::set_segment_offsets): Handle
2397 * options.h (class General_options): Define -n/--nmagic and
2399 * options.cc (General_options::finalize): For -n/--nmagic or
2400 -N/--omagic, set -static.
2401 * layout.cc (Layout::attach_allocated_section_to_segment): If
2402 -N/--omagic, don't put read-only and read-write sections in
2404 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
2405 finding a read-only segment.
2406 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
2407 don't set the minimum segment alignment to the common page size,
2408 and don't set the file offset to the address modulo the page size.
2409 * script-sections.cc (Script_sections::create_segments): If
2410 -n/--omagic, don't put read-only and read-write sections in
2413 * cref.cc: New file.
2415 * options.h (class General_options): Add --print-symbol-counts.
2416 * main.cc (main): Issue defined symbol report if requested.
2417 * archive.cc (Archive::interpret_header): Make into a const member
2419 (Archive::add_symbols): Call Input_objects::archive_start and
2421 (Archive::const_iterator): Define new class.
2422 (Archive::begin, Archive::end): New functions.
2423 (Archive::include_all_members): Rewrite to use iterator.
2424 (Archive::count_members): New function.
2425 * archive.h (class Archive): Update declarations.
2426 (Archive::filename): New function.
2427 * object.cc: Include "cref.h".
2428 (Sized_relobj::Sized_relobj): Initialize defined_count_.
2429 (Sized_relobj::do_get_global_symbol_counts): New function.
2430 (Input_objects::add_object): Add object to cross-referencer.
2431 (Input_objects::archive_start): New function.
2432 (Input_objects::archive_stop): New function.
2433 (Input_objects::print_symbol_counts): New function.
2434 * object.h: Declare Cref and Archive.
2435 (Object::get_global_symbol_counts): New function.
2436 (Object::do_get_global_symbol_counts): New pure virtual function.
2437 (class Sized_relobj): Add defined_count_ field. Update
2439 (class Input_objects): Add cref_ field. Update constructor.
2440 Update declarations.
2441 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
2443 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
2445 (Sized_dynobj::do_get_global_symbol_counts): New function.
2446 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
2447 defined_count_. Update declarations. Define Symbols typedef.
2448 * symtab.cc (Symbol_table::add_from_relobj): Add defined
2449 parameter. Change all callers.
2450 (Symbol_table::add_from_dynobj): Add sympointers and defined
2451 parameters. Change all callers.
2452 * symtab.h (class Symbol_table): Update declarations.
2453 * Makefile.am (CCFILES): Add cref.cc.
2454 (HFILES): Add cref.h.
2455 * Makefile.in: Rebuild.
2457 2008-07-22 Simon Baldwin <simonb@google.com>
2459 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
2460 to zero when writing undefined symbols.
2462 2008-07-22 Ian Lance Taylor <iant@google.com>
2464 * output.cc (Output_section::add_input_section): Don't try to
2465 merge empty merge sections.
2467 2008-07-21 Craig Silverstein <csilvers@google.com>
2469 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2470 Include symbol version in error message.
2472 2008-07-20 Chris Demetriou <cgd@google.com>
2474 * configure.ac (gold_cv_c_random_seed): New configured variable.
2475 (RANDOM_SEED_CFLAGS): New substituted variable.
2476 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
2477 * configure: Rebuild.
2478 * Makefile.in: Likewise.
2479 * testsuite/Makefile.in: Likewise.
2481 2008-07-18 Ian Lance Taylor <iant@google.com>
2483 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
2484 where we see NAME/NULL and NAME/VERSION as separate symbols.
2485 * testsuite/ver_test_main.cc (main): Call t4.
2486 (t4, t4_2a): Define.
2487 * testsuite/ver_test_2.cc (t4_2): Define.
2488 * testsuite/ver_test_2.script: Put t4_2a in VER2.
2489 * testsuite/ver_test_4.cc (t4_2a): Define.
2490 * testsuite/ver_test_4.script: Put t4_2a in VER2.
2491 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
2493 2008-07-17 Ian Lance Taylor <iant@google.com>
2495 * dynobj.cc (Versions::add_def): If we give an error about a
2496 missing version, go ahead and create the version anyhow.
2498 2008-07-10 Ian Lance Taylor <iant@google.com>
2500 Handle output sections with more than 0x7fffffff bytes.
2501 * object.h (class Relobj): Change map_to_output_ to
2502 output_sections_, and just keep a section pointer. Change all
2503 uses. Move comdat group support to Sized_relobj.
2504 (Relobj::is_section_specially_mapped): Remove.
2505 (Relobj::output_section): Remove poff parameter. Change all
2507 (Relobj::output_section_offset): New function.
2508 (Relobj::set_section_offset): Rewrite.
2509 (Relobj::map_to_output): Remove.
2510 (Relobj::output_sections): New function.
2511 (Relobj::do_output_section_offset): New pure virtual function.
2512 (Relobj::do_set_section_offset): Likewise.
2513 (class Sized_relobj): Add section_offsets_ field. Add comdat
2514 group support from Relobj. Update declarations.
2515 (Sized_relobj::get_output_section_offset): New function.
2516 (Sized_relobj::do_output_section_offset): New function.
2517 (Sized_relobj::do_set_section_offset): New function.
2518 * object.cc (Relobj::output_section_address): Remove.
2519 (Sized_relobj::Sized_relobj): Initialize new fields.
2520 (Sized_relobj::include_section_group): Cast find_kept_object to
2522 (Sized_relobj::include_linkonce_section): Likewise.
2523 (Sized_relobj::do_layout): Use separate arrays for output section
2525 (Sized_relobj::do_count_local_symbols): Change map_to_output to
2527 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
2528 output_sections and section_offsets.
2529 (Sized_relobj::write_local_symbols): Likewise.
2530 (map_to_kept_section): Compute output address directly.
2531 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
2532 output_sections and section_offsets.
2533 (Sized_relobj::write_sections): Likewise.
2534 (Sized_relobj::relocate_sections): Likewise.
2535 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
2536 * output.h (class Output_reloc): Update declarations. Change
2537 u2_.relobj to Sized_relobj*.
2538 (class Output_data_reloc): Change add functions to use
2540 * output.cc (Output_reloc::Output_reloc): Change relobj to
2542 (Output_reloc::local_section_offset): Change return type to
2543 Elf_Addr. Use get_output_section_offset.
2544 (Output_reloc::get_address): Likewise.
2545 (Output_section::is_input_address_mapped): Don't call
2546 is_section_specially_mapped.
2547 (Output_section::output_offset): Likewise.
2548 (Output_section::output_address): Likewise.
2549 (Output_section::starting_output_address): Likewise.
2550 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
2551 parameter to Sized_relobj*.
2552 (Copy_relocs::need_copy_reloc): Likewise.
2553 (Copy_relocs::save): Likewise.
2554 * copy-relocs.h (class Copy_relocs): Update declarations.
2555 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
2556 Sized_relobj*. Change relobj_ field to Sized_relobj*.
2557 * target-reloc.h (relocate_for_relocatable): Change
2558 offset_in_output_section type to Elf_Addr. Change code that uses
2560 * layout.cc (Layout::layout): Always set *off.
2561 * mapfile.cc (Mapfile::print_input_section): Use
2562 output_section_offset.
2563 * i386.cc (Target_i386::copy_reloc): Change object parameter to
2565 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
2566 * sparc.cc (Target_sparc::copy_reloc): Likewise.
2567 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
2569 2008-07-03 Ian Lance Taylor <iant@google.com>
2571 * layout.cc (Layout::include_section): Do not discard unrecognized
2572 SHT_STRTAB sections.
2574 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
2576 * script.cc (Lex::can_continue_name): Make '?' allowable in
2577 version-script names.
2578 * testsuite/version_script.map: Change glob pattern to use '?'
2580 2008-06-30 Manish Singh <yosh@gimp.org>
2583 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
2586 2008-06-30 Ian Lance Taylor <iant@google.com>
2590 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
2591 versions]: Don't try to read the value in the contents, since we
2592 don't use it. Use the template endianness when writing.
2594 2008-06-25 Cary Coutant <ccoutant@google.com>
2596 * fileread.cc (File_read::make_view): Assert on zero-length view.
2597 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
2598 symbol table when there are no symbols to read.
2600 2008-06-23 Craig Silverstein <csilvers@google.com>
2602 * version.cc (version_string): Bump to 1.7
2604 2008-06-18 Craig Silverstein <csilvers@google.com>
2606 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
2607 constant 0xFFFF to type Valtype.
2608 (Powerpc_relocate_functions::rel16_ha): Likewise.
2610 2008-06-17 Ian Lance Taylor <iant@google.com>
2612 * output.h (Output_section::Input_section): Initialize p2align_ to
2613 zero for Output_section_data constructors.
2614 (Output_section::Input_section::addralign): If not an input
2615 section, return the alignment of the Output_section_data.
2616 * testsuite/copy_test.cc: New file.
2617 * testsuite/copy_test_1.cc: New file.
2618 * testsuite/copy_test_2.cc: New file.
2619 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
2620 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
2621 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
2622 (copy_test_1_pic.o, copy_test_1.so): New targets.
2623 (copy_test_2_pic.o, copy_test_2.so): New targets.
2624 * testsuite/Makefile.in: Rebuild.
2626 * script-sections.cc (Script_sections::place_orphan): Initialize
2627 local variable exact.
2629 2008-06-13 David Edelsohn <edelsohn@gnu.org>
2631 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
2633 2008-06-12 David Edelsohn <edelsohn@gnu.org>
2634 David S. Miller <davem@davemloft.net>
2636 * powerpc.cc: New file.
2637 * Makefile.am (TARGETSOURCES): Add powerpc.cc
2638 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
2639 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
2640 * Makefile.in: Rebuild.
2642 2008-06-09 Ian Lance Taylor <iant@google.com>
2644 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
2646 (throwing, orig_terminate): New static variables.
2647 (terminate_handler): New static function.
2648 (t2): Set terminate handler.
2650 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
2653 * binary.cc (Binary_to_elf::sized_convert): Fix .data
2656 2008-05-30 Cary Coutant <ccoutant@google.com>
2658 * archive.cc (Archive::include_all_members) Correct to step
2659 over symbol table and extended name table in thin archives.
2661 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
2664 * target-reloc.h (relocate_for_relocatable): Fix new_offset
2667 2008-05-28 Caleb Howe <cshowe@google.com>
2669 * reduced_debug_output.cc: New file.
2670 * reduced_debug_output.h: New file.
2671 * options.h (class General_options): Add --strip-debug-non-line.
2672 * options.cc (General_options::finalize): Add strip_debug_non_line
2673 to the strip heirarchy.
2674 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
2676 * layout.cc: Include "reduced_debug_output.h".
2677 (Layout::Layout): Initialize new fields.
2678 (line_only_debug_sections): New static array.
2679 (is_lines_only_debug_sections): New static inline function.
2680 (Layout::include_section): Handle --strip-debug-non-line.
2681 (Layout::make_output_section): If --strip-debug-non-line, build
2682 new output sections for .debug_abbrev and .debug_info.
2683 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
2684 gold. Warn about possible overflow.
2685 (read_signed_LEB_128): Likewise.
2686 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
2687 (read_signed_LEB_128): Declare.
2688 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
2689 (HFILES): Add reduced_debug_output.h.
2690 * Makefile.in: Rebuild.
2692 2008-05-21 Ian Lance Taylor <iant@google.com>
2694 * mapfile.cc: New file.
2695 * mapfile.h: New file.
2696 * options.h (class General_options): Add -M/--print-map and -Map.
2697 * options.cc (General_options::finalize): Make -M equivalent to
2699 * main.cc: Include <cstdio> and "mapfile.h".
2700 (main): Open mapfile if requested.
2701 * gold.cc (class Middle_runner): Add mapfile_ field. Update
2702 constructor. Change caller.
2703 (queue_initial_tasks): Add mapfile parameter. Change caller.
2704 (queue_middle_tasks): Likewise.
2705 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
2707 * archive.cc: Include "mapfile.h".
2708 (Archive::add_symbols): Add mapfile parameter. Change all
2709 callers. Pass mapfile, symbol, and reason to include_member.
2710 (Archive::include_all_members): Add mapfile parameter. Change all
2712 (Archive::include_member): Add mapfile, sym, and why parameters.
2713 Change all callers. Report inclusion to map file.
2714 * archive.h: Include "fileread.h".
2715 (class Archive): Update declarations.
2716 (Archive::file): New const method.
2717 (class Add_archive_symbols): Add mapfile_ field. Update
2718 constructor. Change all callers.
2719 * readsyms.h (class Read_symbols): Likewise.
2720 (class Finish_group): Likewise.
2721 (class Read_script): Likewise.
2722 * common.cc: Include "mapfile.h".
2723 (Symbol_table::allocate_commons): Add mapfile parameter. Change
2725 (Symbol_table::do_allocate_commons): Likewise.
2726 (Symbol_table::do_allocate_commons_list): Likewise. Report common
2727 symbol allocation to mapfile.
2728 * common.h (class Allocate_commons_task): Add mapfile_ field.
2729 Update constructor. Change all callers.
2730 * symtab.h (class Symbol_table): Update declarations.
2731 * layout.cc: Include "mapfile.h".
2732 (Layout_task_runner::run): Print information to mapfile.
2733 (Layout::create_gold_note): Change Output_data_fixed_space to
2734 Output_data_zero_fill.
2735 (Layout::create_build_id): Likewise.
2736 (Layout::print_to_mapfile): New function.
2737 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
2738 constructor. Change caller.
2739 (class Layout): Declare print_to_mapfile.
2740 * output.cc (Output_section::Input_section::print_to_mapfile): New
2742 (Output_section::add_input_section): If producing a map, always
2743 add to input_sections_ list.
2744 (Output_section::do_print_to_mapfile): New function.
2745 (Output_segment::print_sections_to_mapfile): New function.
2746 (Output_segment::print_section_list_to_mapfile): New function.
2747 * output.h: Include "mapfile.h".
2748 (Output_data::print_to_mapfile): New function.
2749 (Output_data::do_print_to_mapfile): New virtual function.
2750 (Output_segment_headers::do_print_to_mapfile): New function.
2751 (Output_file_header::do_print_to_mapfile): New function.
2752 (Output_data_const::do_print_to_mapfile): New function.
2753 (class Output_data_const_buffer): Add map_name_ field. Update
2754 constructor. Change all callers. Add do_print_to_mapfile
2756 (class Output_data_fixed_space): Likewise.
2757 (class Output_data_space): Likewise.
2758 (class Output_data_zero_fill): New class.
2759 (Output_data_strtab::do_print_to_mapfile): New function.
2760 (Output_data_reloc_base::do_print_to_mapfile): New function.
2761 (Output_relocatable_relocs::do_print_to_mapfile): New function.
2762 (Output_data_group::do_print_to_mapfile): New function.
2763 (Output_data_got::do_print_to_mapfile): New function.
2764 (Output_data_dynamic::do_print_to_mapfile): New function.
2765 (Output_symtab_xindex::do_print_to_mapfile): New function.
2766 (class Output_section): Declare do_print_to_mapflie. Declare
2767 print_to_mapfile in Input_section.
2768 (class Output_segment): Declare new functions.
2769 * object.h (Sized_relobj::symbol_count): New function.
2770 * script-sections.cc
2771 (Output_section_element_dot_assignment::set_section_addresses):
2772 Change Output_data_fixed_space to Output_data_zero_fill.
2773 (Output_data_expression::do_print_to_mapfile): New function.
2774 * script.cc (read_input_script): Add mapfile parameter. Change
2776 * script.h (read_input_script): Update declaration.
2777 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
2778 (Eh_frame::do_print_to_mapfile): New function.
2779 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
2780 (Output_merge_string::do_print_to_mapfile): New function.
2781 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
2783 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
2785 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
2787 * Makefile.am (CCFILES): Add mapfile.cc.
2788 (HFILES): Add mapfile.h.
2789 * Makefile.in: Rebuild.
2791 2008-05-19 Ian Lance Taylor <iant@google.com>
2793 * options.h (class General_options): Add -z relro.
2794 * layout.cc (Layout::Layout): Initialize relro_segment_.
2795 (Layout::add_output_section_data): Return the output section.
2796 (Layout::make_output_section): Rcognize relro sections and mark
2798 (Layout::attach_allocated_section_to_segment): Put relro sections
2799 in a PT_GNU_RELRO segment.
2800 (Layout::create_initial_dynamic_sections): Mark the .dynamic
2802 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
2804 (Layout::linkonce_mapping): Map d.rel.ro.local to
2806 (Layout::output_section_name): Us .data.rel.ro.local for any
2807 section which begins with that.
2808 * layout.h (class Layout): Update add_output_section_data
2809 declaration. Add relro_segment_ field.
2810 * output.cc (Output_section::Output_section): Initialize is_relro_
2811 and is_relro_local_ fields.
2812 (Output_segment::add_output_section): Group relro sections.
2813 (Output_segment::is_first_section_relro): New function.
2814 (Output_segment::maximum_alignment): If there is a relro section,
2815 align the segment to the common page size.
2816 (Output_segment::set_section_addresses): Track whether we are
2817 looking at relro sections. If the last section is a relro
2818 section, align to the common page size.
2819 (Output_segment::set_section_list_addresses): Add in_relro
2820 parameter. Change all callers. Align to the page size when
2821 moving from relro to non-relro section.
2822 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
2824 * output.h (class Output_section): Add is_relro_ and
2825 is_relro_local_ fields.
2826 (Output_section::is_relro): New function.
2827 (Output_section::set_is_relro): New function.
2828 (Output_section::is_relro_local): New function.
2829 (Output_section::set_is_relro_local): New function.
2830 (class Output_segment): Update declarations.
2831 * i386.cc (Target_i386::got_section): Mark .got section as relro.
2832 * sparc.cc (Target_sparc::got_section): Likewise.
2833 * x86_64.cc (Target_x86_64::got_section): Likewise.
2834 * testsuite/relro_test_main.cc: New file.
2835 * testsuite/relro_test.cc: New file.
2836 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
2837 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
2838 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
2839 (relro_test.so, relro_test_pic.o): New targets.
2840 * testsuite/Makefile.in: Rebuild.
2842 2008-05-16 Ian Lance Taylor <iant@google.com>
2844 * output.cc (Output_segment::add_output_section): Remove front
2846 * output.h (class Output_segment): Remove
2847 add_initial_output_section and overloaded add_output_section.
2848 Update declaration of remaining add_output_section.
2849 * layout.cc (Layout::create_interp): Call add_output_section
2850 rather than add_initial_output_section.
2851 (Layout::finish_dynamic_section): Likewise.
2853 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
2854 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
2855 know the dynamic type.
2856 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
2857 field. Initialize it in constructor.
2858 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
2859 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
2860 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
2863 * output.cc (Output_reloc::get_address): Change return type to
2865 * output.h (class Output_reloc): Update get_address declaration.
2866 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
2867 for section addresses.
2869 2008-05-09 Ian Lance Taylor <iant@google.com>
2872 * gold.cc (gold_nomem): Use return value of write.
2874 2008-05-08 Ian Lance Taylor <iant@google.com>
2876 * symtab.c (Symbol::init_base_output_data): Add version
2877 parameter. Change all callers.
2878 (Symbol::init_base_output_segment): Likewise.
2879 (Symbol::init_base_constant): Likewise.
2880 (Symbol::init_base_undefined): Likewise.
2881 (Sized_symbol::init_output_data): Likewise.
2882 (Sized_symbol::init_output_segment): Likewise.
2883 (Sized_symbol::init_constant): Likewise.
2884 (Sized_symbol::init_undefined): Likewise.
2885 (Symbol_table::do_define_in_output_data): If the new symbol has a
2886 version, mark it as the default.
2887 (Symbol_table::do_define_in_output_segment): Likewise.
2888 (Symbol_table::do_define_as_constant): Likewise.
2889 * symtab.h (class Symbol): Update declarations.
2890 (class Sized_symbol): Likewise.
2891 * resolve.cc (Symbol::override_version): New function.
2892 (Symbol::override_base): Call override_version.
2893 (Symbol::override_base_with_special): Likewise.
2894 * testsuite/ver_script_8.script: New file.
2895 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
2896 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
2897 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
2898 (ver_test_8_1.so, ver_test_8_2.so): New targets.
2900 2008-05-06 Ian Lance Taylor <iant@google.com>
2903 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
2905 (class General_options): Remove existing --undefined, and add
2906 --no-undefined instead. Add new --undefined as synonym for -u.
2907 * archive.cc (Archive::add_symbols): Check whether symbol was
2909 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
2910 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
2911 all uses. Add IS_UNDEFINED. Update declarations to split
2912 different versions of init_base. Declare init_base_undefined.
2913 (Symbol::is_defined): Handle IS_UNDEFINED.
2914 (Symbol::is_undefined): Likewise.
2915 (Symbol::is_weak_undefined): Call is_undefined.
2916 (Symbol::is_absolute): Handle IS_CONSTANT.
2917 (class Sized_symbol): Update declarations to split different
2918 versions of init. Declare init_undefined.
2919 (class Symbol_table): Declare new functions.
2920 * symtab.cc (Symbol::init_base_object): Rename from init_base.
2922 (Symbol::init_base_output_data): Likewise.
2923 (Symbol::init_base_output_segment): Likewise.
2924 (Symbol::init_base_constant): Likewise.
2925 (Symbol::init_base_undefined): New function.
2926 (Sized_symbol::init_object): Rename from init. Change all
2928 (Sized_symbol::init_output_data): Likewise.
2929 (Sized_symbol::init_output_segment): Likewise.
2930 (Sized_symbol::init_constant): Likewise.
2931 (Sized_symbol::init_undefined): New function.
2932 (Symbol_table::add_undefined_symbols_from_command_line): New
2934 (Symbol_table::do_add_undefined_symbols_from_command_line): New
2936 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
2937 (Symbol::output_section): Likewise.
2938 (Symbol::set_output_section): Likewise.
2939 (Symbol_table::sized_finalize_symbol): Likewise.
2940 (Symbol_table::sized_write_globals): Likewise.
2941 * resolve.cc (Symbol_table::should_override): Likewise.
2942 (Symbol::override_base_with_special): Likewise.
2944 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
2945 symbol, change it to have default visibility.
2946 * testsuite/protected_1.cc: New file.
2947 * testsuite/protected_2.cc: New file.
2948 * testsuite/protected_3.cc: New file.
2949 * testsuite/protected_main_1.cc: New file.
2950 * testsuite/protected_main_2.cc: New file.
2951 * testsuite/protected_main_3.cc: New file.
2952 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
2953 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
2954 (protected_1_LDFLAGS, protected_1_LDADD): Define.
2955 (protected_1.so): New target.
2956 (protected_1_pic.o, protected_2_pic.o): New targets.
2957 (protected_3_pic.o): New target.
2958 (check_PROGRAMS): Add protected_2.
2959 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
2960 (protected_2_LDFLAGS, protected_2_LDADD): Define.
2961 * testsuite/Makefile.in: Rebuild.
2963 * options.h (DEFINE_var): Add set_user_set_##varname__.
2964 (DEFINE_bool_alias): New macro.
2965 (class General_options): Define -Bstatic using DEFINE_bool_alias
2966 rather than DEFINE_special. Add --undefined as an alias for -z
2968 * options.cc (General_options::parse_Bstatic): Remove.
2970 * options.h (class General_options): Add --fatal-warnings.
2971 * main.cc (main): Implement --fatal-warnings.
2972 * errors.h (Errors::warning_count): New function.
2974 * options.h (class General_options): Add -Bsymbolic-functions.
2975 * symtab.h (Symbol::is_preemptible): Check for
2976 -Bsymbolic-functions.
2978 2008-05-05 Ian Lance Taylor <iant@google.com>
2980 * options.h (DEFINE_bool): For DASH_Z, create the negative option
2981 as noVARNAME rather than no-VARNAME.
2982 (class General_options): Add option -z combreloc.
2983 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
2985 (Output_reloc::sort_before) [SHT_REL]: New function.
2986 (Output_reloc::sort_before) [SHT_RELA]: New function.
2987 (class Output_data_reloc_base): Add sort_relocs_ field. Define
2988 Sort_relocs_comparison.
2989 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
2990 parameter. Change all callers.
2991 (Output_data_reloc::Output_data_reloc) [both versions]: Add
2992 sort_relocs parameter. Change all callers.
2993 * output.cc (Output_reloc::get_address): New function, broken out
2995 (Output_reloc::write_rel): Call it.
2996 (Output_reloc::compare): New function.
2997 (Output_data_reloc_base::do_write): Optionally sort relocs.
2999 * configure.ac: If targ_extra_obj is set, link it in.
3000 * configure.tgt: Initialize all variables.
3001 (x86_64*): Set targ_extra_obj and targ_extra_size.
3002 * configure: Rebuild.
3004 * object.cc (Sized_relobj::include_section_group): Adjust section
3005 indexes read from group data. Build vector to pass to
3007 * layout.cc (Layout::layout_group): Add flags and shndxes
3008 parameters. Remove contents parameter. Change caller. Update
3009 explicit instantiations.
3010 * layout.h (class Layout): Update layout_group declaration.
3011 * output.cc (Output_data_group::Output_data_group): Add flags and
3012 input_shndxes parameters. Remove contents parameter. Change
3014 (Output_data_group::do_write): Change input_sections_ to
3016 * output.h (class Output_data_group): Update constructor
3017 declaration. Rename input_sections_ to input_shndxes_.
3018 * testsuite/many_sections_test.cc: Add template.
3020 2008-04-30 Cary Coutant <ccoutant@google.com>
3022 * target-reloc.h (relocate_section): Fix dead-pointer bug.
3024 * layout.cc (Layout::include_section): Refactored check for debug
3026 (Layout::add_comdat): Add new parameters. Change type
3027 of signature parameter. Add object and shndx to signatures table.
3028 (Layout::find_kept_object): New function.
3029 * layout.h: Include <cstring>.
3030 (Layout::is_debug_info_section): New function.
3031 (Layout::add_comdat): Add new parameters.
3032 (Layout::find_kept_object): New function.
3033 (Layout::Kept_section): New struct.
3034 (Layout::Signatures): Change type of map range.
3035 * object.cc (Relobj::output_section_address): New function.
3036 (Sized_relobj::include_section_group): Add new parameters. Change
3037 calls to Layout::add_comdat. Change to build table of kept comdat
3038 groups and table mapping discarded sections to kept sections.
3039 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
3040 (Sized_relobj::do_layout): Change calls to include_section_group and
3041 include_linkonce_section.
3042 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
3043 value to zero when section is discarded.
3044 (Sized_relobj::map_to_kept_section): New function.
3045 * object.h (Relobj::output_section_address): New function.
3046 (Relobj::Comdat_group): New type.
3047 (Relobj::find_comdat_group): New function.
3048 (Relobj::Comdat_group_table): New type.
3049 (Relobj::Kept_comdat_section): New type.
3050 (Relobj::Kept_comdat_section_table): New type.
3051 (Relobj::add_comdat_group): New function.
3052 (Relobj::set_kept_comdat_section): New function.
3053 (Relobj::get_kept_comdat_section): New function.
3054 (Relobj::comdat_groups_): New field.
3055 (Relobj::kept_comdat_sections_): New field.
3056 (Symbol_value::input_value): Update comment.
3057 (Sized_relobj::map_to_kept_section) New function.
3058 (Sized_relobj::include_linkonce_section): Add new parameter.
3059 * target-reloc.h (Comdat_behavior): New type.
3060 (get_comdat_behavior): New function.
3061 (relocate_section): Add code to map a discarded section to the
3062 corresponding kept section when applying a relocation.
3064 2008-04-30 Craig Silverstein <csilvers@google.com>
3066 * dwarf_reader.cc (next_generation_count): New static var.
3067 (Addr2line_cache_entry): New struct.
3068 (addr2line_cache): New static var.
3069 (Dwarf_line_info::one_addr2line): Added caching.
3070 (Dwarf_line_info::clear_addr2line_cache): New function.
3071 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
3072 cache-size parameter.
3073 (Dwarf_line_info::one_addr2line_cache): New function.
3074 * symtab.cc (Symbol_table::detect_odr_violations): Pass
3075 new cache-size argument to one_addr2line(), and clear cache.
3077 2008-04-28 Cary Coutant <ccoutant@google.com>
3079 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
3080 R_386_PC8 relocations.
3082 2008-04-23 Ian Lance Taylor <iant@google.com>
3084 * object.cc (Sized_relobj::include_section_group): Check for
3085 invalid section group.
3087 * object.cc (make_elf_object): Correct test for 64-bit ELF file
3090 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
3091 than read for file header.
3092 * archive.cc (Archive::include_member): Likewise.
3094 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
3096 * aclocal.m4: Regenerate.
3097 * configure: Regenerate.
3099 2008-04-19 Ian Lance Taylor <iant@google.com>
3101 * version.cc (version_string): Bump to 1.6.
3103 * testsuite/Makefile.am (many_sections_r_test): New target.
3104 (many_sections_r_test_SOURCES): Remove.
3105 (many_sections_r_test_DEPENDENCIES): Remove.
3106 (many_sections_r_test_LDFLAGS): Remove.
3107 (many_sections_r_test_LDADD): Remove.
3109 * object.cc (Sized_relobj::do_add_symbols): Always pass
3110 local_symbol_count_ to add_from_relobj.
3112 * testsuite/Makefile.am (many_sections_check.h): Only check one in
3113 every thousand variables.
3114 * testsuite/Makefile.in: Rebuild.
3116 * object.cc (Xindex::initialize_symtab_xindex): New function.
3117 (Xindex::read_symtab_xindex): New function.
3118 (Xindex::sym_xindex_to_shndx): New function.
3119 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
3121 (Sized_relobj::do_initialize_xindex): New function.
3122 (Sized_relobj::do_read_symbols): Adjust section links.
3123 (Sized_relobj::symbol_section_and_value): Add is_ordinary
3124 parameter. Change all callers.
3125 (Sized_relobj::include_section_group): Adjust section links and
3126 symbol section indexes.
3127 (Sized_relobj::do_layout): Adjust section links.
3128 (Sized_relobj::do_count_local_symbols): Adjust section links and
3129 symbol section indexes.
3130 (Sized_relobj::do_finalize_local_symbols): Distinguish between
3131 ordinary and special symbols.
3132 (Sized_relobj::write_local_symbols): Add symtab_xindex and
3133 dynsym_xindex parameters. Change all callers. Adjust section
3134 links. Use SHN_XINDEX when needed.
3135 (Sized_relobj::get_symbol_location_info): Adjust section links.
3136 Don't get fooled by special symbols.
3137 * object.h (class Xindex): Define.
3138 (class Object): Add xindex_ parameter. Declare virtual functoin
3139 do_initialize_xindex.
3140 (Object::adjust_sym_shndx): New function.
3141 (Object::set_xindex): New protected function.
3142 (class Symbol_value): Add is_ordinary_shndx_ field.
3143 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
3144 (Symbol_value::value): Assert ordinary section.
3145 (Symbol_value::initialize_input_to_output_map): Likewise.
3146 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
3148 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
3150 (class Sized_relobj): Update declarations.
3151 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
3152 parameter. Change all callers.
3153 (Sized_relobj::adjust_shndx): New function.
3154 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
3156 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
3157 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
3158 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
3159 (Sized_dynobj::read_dynsym_section): Adjust section links.
3160 (Sized_dynobj::read_dynamic): Likewise.
3161 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
3163 (Sized_dynobj::do_initialize_xindex): New function.
3164 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
3165 do_initialize_xindex.
3166 (Sized_dynobj::adjust_shndx): New function.
3167 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
3168 dynsym_xindex_ fields.
3169 (Layout::finalize): Add a call to set_section_indexes before
3170 creating the symtab sections.
3171 (Layout::set_section_indexes): Don't do anything if the section
3172 already has a section index.
3173 (Layout::create_symtab_sections): Add shnum parameter. Change
3174 caller. Create .symtab_shndx section if needed.
3175 (Layout::create_shdrs): Add shstrtab_section parameter. Change
3177 (Layout::allocated_output_section_count): New function.
3178 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
3180 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
3181 fields. Update declarations.
3182 (Layout::symtab_xindex): New function.
3183 (Layout::dynsym_xindex): New function.
3184 (class Write_symbols_task): Add layout_ field.
3185 (Write_symbols_task::Write_symbols_task): Add layout parameter.
3187 * output.cc (Output_section_headers::Output_section_headers): Add
3188 shstrtab_section parameter. Change all callers.
3189 (Output_section_headers::do_sized_write): Store overflow values
3190 for section count and section string table section index in
3191 section header zero.
3192 (Output_file_header::do_sized_write): Check for overflow of
3193 section count and section string table section index.
3194 (Output_symtab_xindex::do_write): New function.
3195 (Output_symtab_xindex::endian_do_write): New function.
3196 * output.h (class Output_section_headers): Add shstrtab_section_.
3197 Update declarations.
3198 (class Output_symtab_xindex): Define.
3199 (Output_section::has_out_shndx): New function.
3200 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
3202 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
3204 (Sized_symbol::init): Likewise.
3205 (Symbol::output_section): Check for ordinary symbol.
3206 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
3207 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
3209 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
3210 Change all callers. Simplify handling of symbols from sections
3211 not included in the link.
3212 (Symbol_table::add_from_dynobj): Handle ordinary symbol
3214 (Weak_alias_sorter::operator()): Assert that symbols are
3216 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
3218 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
3219 parameters. Change all callers.
3220 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
3221 symbol distinction. Use SHN_XINDEX when needed.
3222 (Symbol_table::write_section_symbol): Add symtab_xindex
3223 parameter. Change all callers.
3224 (Symbol_table::sized_write_section_symbol): Likewise. Use
3225 SHN_XINDEX when needed.
3226 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
3228 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
3229 (Symbol::is_defined): Check is_ordinary.
3230 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
3231 (Symbol::is_absolute, Symbol::is_common): Likewise.
3232 (class Sized_symbol): Update declarations.
3233 (class Symbol_table): Update declarations.
3234 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
3235 parameters. Change all callers.
3236 (Sized_symbol::override): Likewise.
3237 (Symbol_table::override): Likewise.
3238 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
3239 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
3240 is_ordinary, and orig_st_shndx parameters. Change all callers.
3241 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
3242 to be in an ordinary section.
3243 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
3244 object and is_ordinary parameters. Change all callers.
3245 (Sized_dwarf_line_info::read_relocs): Add object parameter.
3246 Change all callers. Don't add undefined or non-ordinary symbols
3248 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
3250 * dwarf_reader.h (class Sized_dwarf_line_info): Update
3252 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
3253 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
3254 (Sized_relobj::relocate_sections): Likewise.
3255 * target-reloc.h (scan_relocs): Adjust section symbol index.
3256 (scan_relocatable_relocs): Likewise.
3257 * i386.cc (Scan::local): Check for ordinary symbols.
3258 * sparc.cc (Scan::local): Likewise.
3259 * x86_64.cc (Scan::local): Likewise.
3260 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
3261 to symbol_section_and_value.
3262 * testsuite/many_sections_test.cc: New file.
3263 * testsuite/Makefile.am (BUILT_SOURCES): Define.
3264 (check_PROGRAMS): Add many_sections_test.
3265 (many_sections_test_SOURCES): Define.
3266 (many_sections_test_DEPENDENCIES): Define.
3267 (many_sections_test_LDFLAGS): Define.
3268 (BUILT_SOURCES): Add many_sections_define.h.
3269 (many_sections_define.h): New target.
3270 (BUILT_SOURCES): Add many_sections_check.h.
3271 (many_sections_check.h): New target.
3272 (check_PROGRAMS): Add many_sections_r_test.
3273 (many_sections_r_test_SOURCES): Define.
3274 (many_sections_r_test_DEPENDENCIES): Define.
3275 (many_sections_r_test_LDFLAGS): Define.
3276 (many_sections_r_test_LDADD): Define.
3277 (many_sections_r_test.o): New target.
3278 * testsuite/Makefile.in: Rebuild.
3280 2008-04-17 Cary Coutant <ccoutant@google.com>
3282 * errors.cc (Errors::info): New function.
3283 (gold_info): New function.
3284 * errors.h (Errors::info): New function.
3285 * gold.h (gold_info): New function.
3286 * object.cc (Input_objects::add_object): Print trace output.
3287 * options.cc (options::parse_set): New function.
3288 (General_options::parse_wrap): Deleted.
3289 (General_options::General_options): Deleted initializer.
3290 * options.h (options::String_set): New typedef.
3291 (options::parse_set): New function.
3292 (DEFINE_set): New macro.
3293 (General_options::wrap): Changed to use DEFINE_set. Changed
3294 callers of any_wrap_symbols and is_wrap_symbol.
3295 (General_options::trace, General_options::trace_symbol):
3297 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
3298 (General_options::wrap_symbols_): Deleted.
3299 * symtab.cc (Symbol_table::add_from_object): Print trace output.
3301 2008-04-17 David S. Miller <davem@davemloft.net>
3303 * options.cc (General_options::parse_V): New function.
3304 * options.h: Add entries for -V and -Qy.
3306 2008-04-17 Ian Lance Taylor <iant@google.com>
3308 * common.cc (Symbol_table::allocate_commons): Remove options
3309 parameter. Change caller.
3310 (Symbol_table::do_allocate_commons): Remove options parameter.
3311 Change caller. Just call do_allocate_commons_list twice.
3312 (Symbol_table::do_allocate_commons_list): New function, broken out
3313 of do_allocate_commons.
3314 * common.h (class Allocate_commons_task): Remove options_ field.
3316 * symtab.cc (Symbol_table::Symbol_table): Initialize
3318 (Symbol_table::add_from_object): Put TLS common symbols on
3320 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
3321 which are IN_OUTPUT_DATA.
3322 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
3323 allocate_commons and do_allocate_commons declarations. Declare
3324 do_allocate_commons_list.
3325 * gold.cc (queue_middle_tasks): Update creation of
3326 Allocate_commons_task to not pass options.
3327 * testsuite/Makefile.am (INCLUDES): Add -I.. .
3328 (TLS_TEST_C_FLAGS): New variable.
3329 (tls_test_c_pic.o): New target.
3330 (tls_test_shared.so): Link in tls_test_c_pic.o.
3331 (tls_test_c_pic_ie.o): New target.
3332 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
3333 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
3334 (tls_test_c.o): New target.
3335 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
3336 (tls_pic_test_LDADD): Likewise.
3337 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
3338 (tls_shared_gd_to_ie_test_LDADD): Likewise.
3339 (tls_test_c_gnu2.o): New target.
3340 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
3342 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
3343 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
3344 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
3345 * testsuite/tls_test.cc: Include "config.h".
3346 (t_last): Call t11_last.
3347 * testsuite/tls_test.h (t11, t11_last): Declare.
3348 * testsuite/tls_test_c.c: New file.
3349 * testsuite/tls_test_main.cc (thread_routine): Call t11.
3350 * configure.ac: Check for OpenMP support.
3351 * configure, config.in, Makefile.in: Rebuild.
3352 * testsuite/Makefile.in: Rebuild.
3354 2008-04-16 Cary Coutant <ccoutant@google.com>
3356 * i386.cc (Target_i386::define_tls_base_symbol): New function.
3357 (Target_i386::tls_base_symbol_defined_): New field.
3358 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3359 (Target_i386::Scan::global): Likewise.
3360 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
3361 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
3362 (Target_x86_64::tls_base_symbol_defined_): New field.
3363 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3364 (Target_x86_64::Scan::global): Likewise.
3366 2008-04-16 Cary Coutant <ccoutant@google.com>
3368 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
3369 (Symbol::needs_plt_entry): Allow weak undefined symbols.
3370 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
3371 building shared libraries.
3372 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
3373 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
3374 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
3375 * testsuite/Makefile.in: Rebuild.
3376 * testsuite/weak_undef.h: New file.
3377 * testsuite/weak_undef_file1.cc: Add extra test cases.
3378 * testsuite/weak_undef_file2.cc: Likewise.
3379 * testsuite/weak_undef_test.cc: Likewise.
3381 2008-04-16 David S. Miller <davem@davemloft.net>
3383 * sparc.cc (Target_sparc::Scan): Change from struct to class.
3384 Add issued_non_pic_error_ field. Declare check_non_pic.
3385 (Target_sparc::Scan::check_non_pic): New function.
3386 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
3387 (Target_sparc::Scan::global): Likewise.
3389 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
3390 * configure: Rebuild.
3392 * options.h (DEFINE_enable): New macro.
3393 (new_dtags): New enable option.
3394 (initfirst, interpose, loadfltr, nodefaultlib,
3395 nodelete, nodlopen, nodump): New -z options.
3396 * layout.cc (Layout:finish_dynamic_section): If new
3397 dtags enabled, emit DT_RUNPATH. Also, emit a
3398 DT_FLAGS_1 containing any specified -z flags.
3400 2008-04-16 Ian Lance Taylor <iant@google.com>
3402 * copy-relocs.cc: New file.
3403 * copy-relocs.h: New file.
3404 * reloc.cc: Remove Copy_relocs code.
3405 * reloc.h: Likewise.
3406 * reloc-types.h (struct Reloc_types) [both versions]: Add
3407 get_reloc_addend_noerror.
3408 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
3409 variants of add_global which take an addend which must be zero.
3410 * i386.cc: Include "copy-relocs.h".
3411 (class Target_i386): Change type of copy_relocs_ to variable,
3413 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
3415 (Target_i386::do_finalize_sections): Change handling of
3417 * sparc.cc: Include "copy-relocs.h".
3418 (class Target_sparc): Change type of copy_relocs_ to variable,
3420 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
3422 (Target_sparc::do_finalize_sections): Change handling of
3424 * x86_64.cc: Include "copy-relocs.h".
3425 (class Target_x86_64): Change type of copy_relocs_ to variable,
3427 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
3428 class. Change all callers.
3429 (Target_x86_64::do_finalize_sections): Change handling of
3431 * Makefile.am (CCFILES): Add copy-relocs.cc.
3432 (HFILES): Add copy-relocs.h.
3434 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
3436 * testsuite/script_test_4.sh: Permit leading zeroes.
3438 2008-04-15 Ian Lance Taylor <iant@google.com>
3440 * script-sections.cc (Script_sections::create_segments): Use
3441 header_size_adjustment even when there is enough room for the
3443 * testsuite/script_test_4.sh: New file.
3444 * testsuite/script_test_4.t: New file.
3445 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
3446 (check_DATA): Add script_test_4.stdout.
3447 (MOSTLYCLEANFILES): Likewise.
3448 (script_test_4): New target.
3449 (script_test_4.stdout): New target.
3450 * testsuite/Makefile.in: Rebuild.
3452 * sparc.cc: Add definitions for Output_data_plt_sparc class
3455 2008-04-14 David S. Miller <davem@davemloft.net>
3457 * sparc.cc: New file.
3458 * Makefile.am (TARGETSOURCES): Add sparc.cc
3459 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
3460 * configure.tgt: Document targ_extra_size and
3461 targ_extra_big_endian. Add entries for sparc-* and
3463 * configure.ac: Handle targ_extra_size and
3464 targ_extra_big_endian.
3465 * Makefile.in: Rebuild.
3466 * configure: Likewise.
3467 * po/POTFILES.in: Likewise.
3468 * po/gold.pot: Likewise.
3470 2008-04-14 Ian Lance Taylor <iant@google.com>
3472 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
3473 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
3474 in the name/type/flags to section mapping. Don't call
3475 allocate_output_section.
3476 (Layout::choose_output_section): Change parameter from adjust_name
3477 to is_input_section. Don't permit input sections after sections
3478 are attached to segments. Don't call allocate_output_section.
3479 (Layout::layout_eh_frame): Call update_flags_for_input_section,
3480 not write_enable_output_section.
3481 (Layout::make_output_section): Don't push to
3482 unattached_section_list_ nor call attach_to_segment. Call
3483 attach_section_to_segment if sections are attached.
3484 (Layout::attach_sections_to_segments): New function.
3485 (Layout::attach_section_to_segment): New function.
3486 (Layout::attach_allocated_section_to_segment): Rename from
3487 attach_to_segment. Remove flags parameter.
3488 (Layout::allocate_output_section): Remove function.
3489 (Layout::write_enable_output_section): Remove function.
3490 * layout.h (class Layout): Update for above changes. Add new
3491 field sections_are_attached_.
3492 * output.h (Output_section::update_flags_for_input_section): New
3494 * output.cc (Output_section::add_input_section): Call
3495 update_flags_for_input_section.
3496 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
3498 2008-04-11 Cary Coutant <ccoutant@google.com>
3500 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
3501 thought unnecessary.
3502 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
3504 2008-04-11 Ian Lance Taylor <iant@google.com>
3506 * output.h (class Output_section_data): Remove inline definition
3508 * output.cc (Output_section_data::set_addralign): New function.
3510 2008-04-11 Cary Coutant <ccoutant@google.com>
3512 Add support for TLS descriptors for i386 and x86_64.
3513 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
3514 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
3515 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
3517 (Target_i386::got_mod_index_entry): Remove unnecessary code.
3518 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
3519 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
3521 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
3522 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
3523 Fix problem with initial-exec relocations.
3524 (Target_i386::Relocate::relocate_tls): Likewise.
3525 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
3527 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
3528 support for section-plus-offset dynamic table entries.
3529 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
3530 (Output_data_dynamic::Dynamic_entry): Add support for
3531 section-plus-offset dynamic table entries.
3532 (Output_data_dynamic::Classification): Likewise.
3533 (Output_data_dynamic::classification_): Renamed offset_.
3534 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
3535 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
3536 (Target_x86_64::make_plt_section): New function.
3537 (Target_x86_64::reserve_tlsdesc_entries): New function.
3538 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
3539 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
3540 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
3541 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
3542 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
3543 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
3544 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
3545 add extra PLT entry for TLS descriptors.
3546 (Output_data_plt_x86_64::got_): New field.
3547 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
3548 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
3550 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
3552 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
3553 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
3554 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
3555 R_386_TLS_DESC_CALL relocations.
3556 (Target_x86_64::Scan::global): Likewise.
3557 (Target_x86_64::do_finalize_sections): Add dynamic table entries
3558 for TLS descriptors.
3559 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
3560 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
3561 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
3562 GD-to-IE relaxation.
3563 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
3564 and TLS_DESCRIPTORS.
3565 * Makefile.in: Rebuild.
3566 * configure: Rebuild.
3567 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
3568 (tls_test_shared2.so): New target.
3569 (tls_shared_gd_to_ie_test_SOURCES): New variable.
3570 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
3571 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
3572 (tls_shared_gd_to_ie_test_LDADD): New variable.
3573 (tls_shared_gnu2_gd_to_ie_test): New target.
3574 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
3576 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
3577 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
3578 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
3579 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
3580 (tls_shared_gnu2_test): New target.
3581 (tls_test_gnu2_shared.so): New target.
3582 (tls_shared_gnu2_test_SOURCES): New variable.
3583 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
3584 (tls_shared_gnu2_test_LDFLAGS): New variable.
3585 (tls_shared_gnu2_test_LDADD): New variable.
3586 * testsuite/Makefile.in: Rebuild.
3587 * testsuite/Makefile.
3589 2008-04-11 Ian Lance Taylor <iant@google.com>
3591 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
3593 * testsuite/Makefile.in: Rebuild.
3595 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
3597 * testsuite/script_test_2.cc (main): Adjust test.
3599 2008-04-11 David S. Miller <davem@davemloft.net>
3600 Ian Lance Taylor <iant@google.com>
3602 * options.h (General_options): Add entries for '-Y' and
3604 * options.cc (General_options:finalize): If -Y was used, add those
3605 entries to the library path instead of the default "/lib" and
3608 2008-04-11 David S. Miller <davem@davemloft.net>
3610 * testsuite/justsyms.t: Start at 0x100.
3611 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
3612 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
3614 * testsuite/script_test_2.cc: Adjust string and section length
3617 2008-04-09 Ian Lance Taylor <iant@google.com>
3620 * script-sections.cc (Sections_element::allocate_to_segment): Add
3622 (Output_section_definition::allocate_to_segment): Likewise.
3623 (Orphan_output_section::allocate_to_segment): Likewise.
3624 (Script_sections::attach_sections_using_phdrs_clause): Don't
3625 propagate non-PT_LOAD segments to orphan sections.
3626 * testsuite/Makefile.am (script_test_3.stdout): Generate using
3627 readelf rather than objdump.
3628 * testsuite/script_test_3.sh: Adjust accordingly. Test that
3629 .interp section and PT_INTERP segment are the same size.
3630 * testsuite/Makefile.in: Rebuild.
3632 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
3633 aliases for symbols defined in the same object.
3634 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
3635 (weak_alias_test_SOURCES): New variable.
3636 (weak_alias_test_DEPENDENCIES): New variable.
3637 (weak_alias_test_LDFLAGS): New variable.
3638 (weak_alias_test_LDADD): New variable.
3639 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
3640 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
3641 (weak_alias_test_3.o): New target.
3642 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
3643 * testsuite/weak_alias_test_main.cc: New file.
3644 * testsuite/weak_alias_test_1.cc: New file.
3645 * testsuite/weak_alias_test_2.cc: New file.
3646 * testsuite/weak_alias_test_3.cc: New file.
3648 2008-04-08 Ian Lance Taylor <iant@google.com>
3650 * options.h (class General_options): Add --noinhibit-exec option.
3651 * main.cc (main): Check --noinhibit-exec.
3653 * options.h (class General_options): Define --wrap as a special
3654 option. Add wrap_symbols_ field.
3655 (General_options::any_wrap_symbols): New function.
3656 (General_options::is_wrap_symbol): New function.
3657 * options.cc (General_options::parse_wrap): New function.
3658 (General_options::General_options): Initialize wrap_symbols_.
3659 * symtab.cc (Symbol_table::wrap_symbol): New function.
3660 (Symbol_table::add_from_object): Handle --wrap.
3661 * symtab.h (class Symbol_table): Declare wrap_symbol.
3662 * target.h (Target::wrap_char): New function.
3663 (Target::Target_info): Add wrap_char field.
3664 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
3665 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3666 * testsuite/testfile.cc (Target_test::test_target_info):
3669 * errors.cc (Errors::undefined_symbol): Mention symbol version if
3672 * layout.h (class Layout): Add added_eh_frame_data_ field.
3673 * layout.cc (Layout::Layout): Initialize new field.
3674 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
3675 output section until we find a section we merged successfully.
3676 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
3677 that the size be non-zero.
3679 * merge.cc (Object_merge_map::get_output_offset): Remove inline
3682 2008-04-08 Craig Silverstein <csilvers@google.com>
3684 * configure.ac: Export new conditional variable HAVE_ZLIB.
3685 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
3687 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
3688 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3690 2008-04-07 Ian Lance Taylor <iant@google.com>
3692 * version.cc (version_string): Set to "1.5".
3694 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
3695 Add issued_non_pic_error_ field. Declare check_non_pic.
3696 (Target_x86_64::Scan::check_non_pic): New function.
3697 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
3698 (Target_x86_64::Scan::global): Likewise.
3700 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
3701 addend parameter. Change caller. Handle merge sections.
3702 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
3703 Address to Addend. Don't add in the result of
3704 local_section_offset, pass down the addend and use the returned
3706 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
3707 Update declarations of local_section_offset and symbol_value.
3708 * testsuite/two_file_test_1.cc (t18): New function.
3709 * testsuite/two_file_test_2.cc (f18): New function.
3710 * testsuite/two_file_test_main.cc (main): Call t18.
3711 * testsuite/two_file_test.h (t18, f18): Declare.
3713 * configure.ac: Don't test for objdump, c++filt, or readelf.
3714 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
3716 (TEST_READELF): New variable.
3717 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
3718 (check_PROGRAMS): Add two_file_strip_test.
3719 (two_file_strip_test): New target.
3720 (check_PROGRAMS): Add two_file_same_shared_strip_test.
3721 (two_file_same_shared_strip_test_SOURCES): New variable.
3722 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
3723 (two_file_same_shared_strip_test_LDFLAGS): New variable.
3724 (two_file_same_shared_strip_test_LDADD): New variable.
3725 (two_file_shared_strip.so): New target.
3726 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
3727 (ver_test_5.syms, ver_test_7.syms): Likewise.
3728 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
3729 (strip_test_3.stdout): Use TEST_OBJDUMP.
3730 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3732 2008-04-04 Cary Coutant <ccoutant@google.com>
3734 * symtab.h (Symbol::is_weak_undefined): New function.
3735 (Symbol::is_strong_undefined): New function.
3736 (Symbol::is_absolute): New function.
3737 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
3738 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
3740 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
3741 (weak_undef_test): New target.
3742 * testsuite/Makefile.in: Rebuild.
3743 * testsuite/weak_undef_file1.cc: New file.
3744 * testsuite/weak_undef_file2.cc: New file.
3745 * testsuite/weak_undef_test.cc: New file.
3747 2008-04-03 Craig Silverstein <csilvers@google.com>
3749 * compressed_output.h (class Output_compressed_section): Use
3751 * compressed_output.cc (zlib_compress): Use unsigned buffers,
3753 (zlib_compressed_suffix): Removed.
3754 (Output_compressed_section::set_final_data_size): Use unsigned
3756 * testsuite/Makefile.am (flagstest_compress_debug_sections):
3757 Fix linker invocation.
3758 (flagstest_o_specialfile_and_compress_debug_sections):
3760 * testsuite/Makefile.in: Regenerated.
3762 2008-04-02 David S. Miller <davem@davemloft.net>
3764 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
3765 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
3767 2008-04-02 Craig Silverstein <csilvers@google.com>
3771 2008-04-02 Ian Lance Taylor <iant@google.com>
3773 * fileread.cc (File_read::find_view): Add byteshift and vshifted
3774 parameters. Update for new key type to views_. Change all
3776 (File_read::read): Adjust for byteshift in returned view.
3777 (File_read::add_view): New function, broken out of
3779 (File_read::make_view): New function, broken out of
3781 (File_read::find_or_make_view): Add offset and aligned
3782 parameters. Rewrite accordingly. Change all callers.
3783 (File_read::get_view): Add offset and aligned parameters. Adjust
3784 for byteshift in return value.
3785 (File_read::get_lasting_view): Likewise.
3786 * fileread.h (class File_read): Update declarations.
3787 (class File_read::View): Add byteshift_ field. Add byteshift to
3788 constructor. Add byteshift method.
3789 * archive.h (Archive::clear_uncached_views): New function.
3790 (Archive::get_view): Add aligned parameter. Change all callers.
3791 * object.h (Object::get_view): Add aligned parameter. Change all
3793 (Object::get_lasting_view): Likewise.
3795 * fileread.cc (File_read::release): Don't call clear_views if
3796 there are multiple objects.
3797 * fileread.h (File_read::clear_uncached_views): New function.
3798 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
3801 2008-03-31 Cary Coutant <ccoutant@google.com>
3803 Add thin archive support.
3804 * archive.cc (Archive::armagt): New const.
3805 (Archive::setup): Remove task parameter and calls to unlock.
3806 (Archive::unlock_nested_archives): New function.
3807 (Archive::read_header): Add nested_off parameter. Change
3809 (Archive::interpret_header): Likewise.
3810 (Archive::include_all_members): Change to handle thin
3812 (Archive::include_member): Likewise.
3813 * archive.h (Archive::Archive): Add new parameters and
3815 (Archive::armagt): New const.
3816 (Archive::setup): Remove task parameter.
3817 (Archive::unlock_nested_archives): New function.
3818 (Archive::read_header): Add nested_off parameter.
3819 (Archive::interpret_header): Likewise.
3820 (Archive::Nested_archive_table): New typedef.
3821 (Archive::is_thin_archive_): New field.
3822 (Archive::nested_archives_): New field.
3823 (Archive::options_): New field.
3824 (Archive::dirpath_): New field.
3825 (Archive::task_): New field.
3826 * readsyms.cc (Read_symbols::do_read_symbols): Add check
3827 for thin archives. Pass additional parameters to
3828 Archive::Archive. Unlock the archive file after calling
3831 2008-03-29 Ian Lance Taylor <iant@google.com>
3833 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
3834 version symbol to be local.
3835 * testsuite/ver_test_4.sh: New file.
3836 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
3837 (check_DATA): Add ver_test_4.syms.
3838 (ver_test_4.syms): New target.
3839 * testsuite/Makefile.in: Rebuild.
3842 (Output_section::Input_section_sort_entry::has_priority): New
3844 (Output_section::Input_section_sort_entry::match_file_name): New
3846 (Output_section::Input_section_sort_entry::match_section_name):
3848 (Output_section::Input_section_sort_entry::match_section_name_prefix):
3850 (Output_section::Input_section_sort_entry::match_section_file):
3852 (Output_section::Input_section_sort_compare::operator()): Rewrite
3853 using new Input_section_sort_entry functions. Sort crtbegin and
3854 crtend first. Sort sections with no priority before sections with
3856 * testsuite/initpri1.c (d3): Check j != 4.
3857 (cd5): New constructor/destructor function.
3858 (main): Check j != 2.
3860 * symtab.cc (Symbol_table::add_from_object): If we don't use the
3861 new symbol when resolving, don't call set_is_default.
3862 * testsuite/ver_test_7.cc: New file.
3863 * testsuite/ver_test_7.sh: New file.
3864 * testsuite/Makefile.am (ver_test_7.so): New target.
3865 (ver_test_7.o): New target.
3866 (check_SCRIPTS): Add ver_test_7.sh.
3867 (check_DATA): Add ver_test_7.syms.
3868 (ver_test_7.syms): New target.
3870 2008-03-28 Ian Lance Taylor <iant@google.com>
3872 * layout.cc (Layout::layout): If we see an input section with a
3873 name that needs sorting, set the must_sort flag for the output
3875 (Layout::make_output_section): If the name of the output section
3876 indicates that it might require sorting, set the may_sort flag.
3877 * output.h (Output_section::may_sort_attached_input_sections): New
3879 (Output_section::set_may_sort_attached_input_sections): New
3881 (Output_section::must_sort_attached_input_sections): New
3883 (Output_section::set_must_sort_attached_input_sections): New
3885 (class Output_section): Declare Input_section_sort_entry. Define
3886 Input_section_sort_compare. Declare
3887 sort_attached_input_sections. Add new fields:
3888 may_sort_attached_input_sections_,
3889 must_sort_attached_input_sections_,
3890 attached_input_sections_are_sorted_.
3891 * output.cc (Output_section::Output_section): Initialize new
3893 (Output_section::add_input_section): Add an entry to
3894 input_sections_ if may_sort or must_sort are true.
3895 (Output_section::set_final_data_size): Call
3896 sort_attached_input_sections if necessary.
3897 (Output_section::Input_section_sort_entry): Define new class.
3898 (Output_section::Input_section_sort_compare::operator()): New
3900 (Output_section::sort_attached_input_sections): New function.
3901 * configure.ac: Check whether the compiler supports constructor
3902 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
3903 * testsuite/initpri1.c: New file.
3904 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
3905 CONSTRUCTOR_PRIORITY.
3906 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
3907 (initpri1_LDFLAGS): New variable.
3908 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
3910 2008-03-27 Ian Lance Taylor <iant@google.com>
3912 * common.cc (Sort_commons::operator): Correct sorting algorithm.
3913 * testsuite/common_test_1.c: New file.
3914 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
3915 (common_test_1_SOURCES): New variable.
3916 (common_test_1_DEPENDENCIES): New variable.
3917 (common_test_1_LDFLAGS): New variable.
3919 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
3920 and commons_ correctly when NAME/VERSION does not override
3922 * testsuite/ver_test_6.c: New file.
3923 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
3924 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
3925 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
3927 2008-03-26 Ian Lance Taylor <iant@google.com>
3929 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
3930 of an undefined symbol from a version script.
3931 * testsuite/Makefile.am (ver_test_5.so): New target.
3932 (ver_test_5.o): New target.
3933 (check_SCRIPTS): Add ver_test_5.sh.
3934 (check_DATA): Add ver_test_5.syms.
3935 (ver_test_5.syms): New target.
3936 * testsuite/ver_test_5.cc: New file.
3937 * testsuite/ver_test_5.script: New file.
3938 * testsuite/ver_test_5.sh: New file.
3939 * Makefile.in, testsuite/Makefile.in: Rebuild.
3942 Fix problems building gold with gcc 4.3.0.
3943 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
3944 (gold_error_at_location, gold_warning_at_location): Use it.
3945 * configure.ac: Check whether we can compile and use a template
3946 function with a printf attribute.
3947 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
3948 when jumping over bytes.
3949 * object.cc: Instantiate Object::read_section_data.
3950 * debug.h: Include <cstring>
3951 * dwarf_reader.cc: Include <algorithm>
3952 * main.cc: Include <cstring>.
3953 * options.cc: Include <cstring>.
3954 * output.cc: Include <cstring>.
3955 * script.cc: Include <cstring>.
3956 * script.h: Include <string>.
3957 * symtab.cc: Include <cstring> and <algorithm>.
3958 * target-select.cc: Include <cstring>.
3959 * version.cc: Include <string>.
3960 * testsuite/testmain.cc: Include <cstdlib>.
3961 * configure, config.in: Rebuild.
3963 2008-03-25 Ian Lance Taylor <iant@google.com>
3965 * options.cc: Include "../bfd/bfdver.h".
3966 (options::help): Print bug reporting address.
3968 * version.cc (print_version): Adjust output for current value of
3973 * options.cc (options::help): Print list of supported targets.
3974 * target-select.h: Include <vector>.
3975 (class Target_selector): Make machine_, size_, and is_big_endian_
3976 fields const. Add bfd_name_ and instantiated_target_ fields.
3977 (Target_selector::Target_selector): Add bfd_name parameter.
3978 (Target_selector::recognize): Make non-virtual, call
3980 (Target_selector::recognize_by_name): Make non-virtual, call
3981 do_recognize_by_name.
3982 (Target_selector::supported_names): New function.
3983 (Target_selector::bfd_name): New function.
3984 (Target_selector::do_instantiate_target): New pure virtual
3986 (Target_selector::do_recognize): New virtual function.
3987 (Target_selector::do_recognize_by_name): New virtual function.
3988 (Target_selector::instantiate_target): New private function.
3989 (supported_target_names): Declare.
3990 * target-select.cc (Target_selector::Target_selector): Update for
3991 new parameter and fields.
3992 (select_target_by_name): Check that the name matches before
3993 calling recognize_by_name.
3994 (supported_target_names): New function.
3995 * i386.cc (class Target_selector_i386): Update Target_selector
3996 constructor call. Remove recognize and recognize_by_name. Add
3997 do_instantiate_target.
3998 * x86_64.cc (class Target_selector_x86_64): Likewise.
3999 * testsuite/testfile.cc (class Target_selector_test): Update for
4000 changes to Target_selector.
4002 * README: Rewrite, with some notes on unsupported features.
4004 2008-03-24 Cary Coutant <ccoutant@google.com>
4006 * i386.cc (Target_i386::Got_type): New enum declaration.
4007 (Target_i386::Scan::local): Updated callers of Output_data_got
4009 (Target_i386::Scan::global): Likewise.
4010 (Target_i386::Relocate::relocate): Likewise.
4011 (Target_i386::Relocate::relocate_tls): Likewise.
4012 * object.h (Got_offset_list): New class.
4013 (Sized_relobj::local_has_got_offset): Added got_type parameter.
4014 (Sized_relobj::local_got_offset): Likewise.
4015 (Sized_relobj::set_local_got_offset): Likewise.
4016 (Sized_relobj::local_has_tls_got_offset): Removed.
4017 (Sized_relobj::local_tls_got_offset): Removed.
4018 (Sized_relobj::set_local_tls_got_offset): Removed.
4019 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
4020 * output.cc (Output_data_got::add_global): Added got_type parameter.
4021 (Output_data_got::add_global_with_rel): Likewise.
4022 (Output_data_got::add_global_with_rela): Likewise.
4023 (Output_data_got::add_global_pair_with_rel): New function.
4024 (Output_data_got::add_global_pair_with_rela): New function.
4025 (Output_data_got::add_local): Added got_type parameter.
4026 (Output_data_got::add_local_with_rel): Likewise.
4027 (Output_data_got::add_local_with_rela): Likewise.
4028 (Output_data_got::add_local_pair_with_rel): New function.
4029 (Output_data_got::add_local_pair_with_rela): New function.
4030 (Output_data_got::add_global_tls): Removed.
4031 (Output_data_got::add_global_tls_with_rel): Removed.
4032 (Output_data_got::add_global_tls_with_rela): Removed.
4033 (Output_data_got::add_local_tls): Removed.
4034 (Output_data_got::add_local_tls_with_rel): Removed.
4035 (Output_data_got::add_local_tls_with_rela): Removed.
4036 * output.h (Output_data_got::add_global): Added got_type parameter.
4037 (Output_data_got::add_global_with_rel): Likewise.
4038 (Output_data_got::add_global_with_rela): Likewise.
4039 (Output_data_got::add_global_pair_with_rel): New function.
4040 (Output_data_got::add_global_pair_with_rela): New function.
4041 (Output_data_got::add_local): Added got_type parameter.
4042 (Output_data_got::add_local_with_rel): Likewise.
4043 (Output_data_got::add_local_with_rela): Likewise.
4044 (Output_data_got::add_local_pair_with_rel): New function.
4045 (Output_data_got::add_local_pair_with_rela): New function.
4046 (Output_data_got::add_global_tls): Removed.
4047 (Output_data_got::add_global_tls_with_rel): Removed.
4048 (Output_data_got::add_global_tls_with_rela): Removed.
4049 (Output_data_got::add_local_tls): Removed.
4050 (Output_data_got::add_local_tls_with_rel): Removed.
4051 (Output_data_got::add_local_tls_with_rela): Removed.
4052 * resolve.cc (Symbol::override_base_with_special): Removed
4053 reference to has_got_offset_ field.
4054 * symtab.cc (Symbol::init_fields): Replaced initialization
4055 of got_offset_ with got_offsets_. Removed initialization
4057 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
4058 (Symbol::got_offset): Likewise.
4059 (Symbol::set_got_offset): Likewise.
4060 (Symbol::has_tls_got_offset): Removed.
4061 (Symbol::tls_got_offset): Removed.
4062 (Symbol::set_tls_got_offset): Removed.
4063 (Symbol::got_offset_): Removed.
4064 (Symbol::tls_mod_got_offset_): Removed.
4065 (Symbol::tls_pair_got_offset_): Removed.
4066 (Symbol::got_offsets_): New field.
4067 (Symbol::has_got_offset): Removed.
4068 (Symbol::has_tls_mod_got_offset): Removed.
4069 (Symbol::has_tls_pair_got_offset): Removed.
4070 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
4071 (Target_x86_64::Scan::local): Updated callers of Output_data_got
4073 (Target_x86_64::Scan::global): Likewise.
4074 (Target_x86_64::Relocate::relocate): Likewise.
4075 (Target_x86_64::Relocate::relocate_tls): Likewise.
4077 2008-03-25 Ben Elliston <bje@au.ibm.com>
4079 * yyscript.y: Fix spelling error in comment.
4081 2008-03-24 Ian Lance Taylor <iant@google.com>
4083 * options.h (class General_options): Define build_id option.
4084 * layout.h (class Layout): Declare write_build_id, create_note,
4085 create_build_id. Add build_id_note_ member.
4086 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
4087 "libiberty.h", "md5.h", "sha1.h".
4088 (Layout::Layout): Initialize eh_frame_data_,
4089 eh_frame_hdr_section_, and build_id_note_.
4090 (Layout::finalize): Call create_build_id.
4091 (Layout::create_note): New function, broken out of
4092 Layout::create_gold_note.
4093 (Layout::create_gold_note): Call create_note.
4094 (Layout::create_build_id): New function.
4095 (Layout::write_build_id): New function.
4096 (Close_task_runner::run): Call write_build_id.
4098 * x86_64.cc: Correct license to GPLv3.
4100 2008-03-23 Ian Lance Taylor <iant@google.com>
4102 * options.cc: Include "demangle.h".
4103 (parse_optional_string): New function.
4104 (parse_long_option): Handle takes_optional_argument.
4105 (parse_short_option): Update dash_z initializer. Handle
4106 takes_optional_argument.
4107 (General_options::General_options): Initialize do_demangle_.
4108 (General_options::finalize): Set do_demangle_. Handle demangling
4110 * options.h (parse_optional_string): Declare.
4111 (struct One_option): Add optional_arg field. Update constructor.
4112 Update call constructor calls. Add takes_optional_argument
4114 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
4115 (DEFINE_optional_string): Define.
4116 (General_options::demangle): Change from DEFINE_bool to
4117 DEFINE_optional_string.
4118 (General_options::no_demangle): New function.
4119 (General_options::do_demangle): New function.
4120 (General_options::set_do_demangle): New function.
4121 (General_options::execstack_status_): Move definition to end of
4123 (General_options::static_): Likewise.
4124 (General_options::do_demangle_): New field.
4125 * object.cc (big_endian>::get_symbol_location_info): Call
4126 Options::do_demangle, not Options::demangle.
4127 * symtab.cc (demangle): Likewise.
4129 2008-03-22 Ian Lance Taylor <iant@google.com>
4131 * gold.h: Include <cstddef> and <sys/types.h>
4132 * options.h: Include <cstring>.
4134 2008-03-21 Ian Lance Taylor <iant@google.com>
4136 * Added source code to GNU binutils.