* merge.cc (Output_merge_string::do_add_input_section): Count strings
[external/binutils.git] / gold / ChangeLog
1 2010-08-03  Cary Coutant  <ccoutant@google.com>
2
3         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4         to reserve space in merged_strings vector. Keep total input size
5         for stats.
6         (Output_merge_string::do_print_merge_stats): Print total input size.
7         * merge.h (Output_merge_string): Add input_size_ field.
8         * stringpool.cc (Stringpool_template::string_length): Move
9         implementations out of Stringpool_template class and place in
10         stringpool.h.
11         * stringpool.h (string_length): Move out of Stringpool_template.
12
13 2010-08-03  Ian Lance Taylor  <iant@google.com>
14
15         PR 11712
16         * layout.cc (relaxation_loop_body): If address of load segment is
17         set, adjust address to include headers if possible.
18
19 2010-08-03  Ian Lance Taylor  <iant@google.com>
20
21         * version.cc (version_string): Bump to 1.10.
22
23 2010-08-03  Ian Lance Taylor  <iant@google.com>
24
25         PR 11805
26         * layout.h (enum Output_section_order): Define.
27         (class Layout): Update declarations.
28         * layout.cc (Layout::get_output_section): Add order parameter.
29         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
30         is_first_non_relro parameters.  Change all callers.
31         (Layout::choose_output_section): Likewise.
32         (Layout::add_output_section_data): Likewise.
33         (Layout::make_output_section): Likewise.  Set order.
34         (Layout::default_section_order): New function.
35         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
36         * output.cc (Output_section::Output_section): Initialize order_.
37         Don't initialize deleted fields.
38         (Output_segment::Output_segment): Don't initialize deleted
39         fields.
40         (Output_segment::add_output_section_to_load): New function
41         replacing add_output_section.  Change all callers to call this or
42         add_output_section_to_nonload.
43         (Output_segment::add_output_section_to_nonload): New function.
44         (Output_segment::remove_output_section): Rewrite.
45         (Output_segment::add_initial_output_data): Likewise.
46         (Output_segment::has_any_data_sections): Likewise.
47         (Output_segment::is_first_section_relro): Likewise.
48         (Output_segment::maximum_alignment): Likewise.
49         (Output_segment::has_dynamic_reloc): New function replacing
50         dynamic_reloc_count.  Change all callers.
51         (Output_segment::has_dynamic_reloc_list): New function replacing
52         dynamic_reloc_count_list.  Change all callers.
53         (Output_segment::set_section_addresses): Rewrite.
54         (Output_segment::set_offset): Rewrite.
55         (Output_segment::find_first_and_last_list): Remove.
56         (Output_segment::set_tls_offsets): Rewrite.
57         (Output_segment::first_section_load_address): Likewise.
58         (Output_segment::output_section_count): Likewise.
59         (Output_segment::section_with_lowest_load_address): Likewise.
60         (Output_segment::write_section_headers): Likewise.
61         (Output_segment::print_sections_to_map): Likewise.
62         * output.h (class Output_data): Remove dynamic_reloc_count_
63         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
64         (Output_data::add_dynamic_reloc): Rewrite.
65         (Output_data::has_dynamic_reloc): New function.
66         (Output_data::dynamic_reloc_count): Remove.
67         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
68         is_last_relro_, is_first_non_relro_, is_interp_,
69         is_dynamic_linker_section_ fields.  Add order and set_order
70         functions.  Remove is_relro_local, set_is_relro_local,
71         is_last_relro, set_is_last_relro, is_first_non_relro,
72         set_is_first_non_relro functions, is_interp, set_is_interp,
73         is_dynamic_linker_section, and set_is_dynamic_linker_section
74         functions.
75         (class Output_segment): Change Output_data_list from std::list to
76         std:;vector.  Add output_lists_ field.  Remove output_data_ and
77         output_bss_ fields.  Update declarations.
78
79 2010-08-02  Ian Lance Taylor  <iant@google.com>
80
81         * arm.cc (Target_arm::gc_process_relocs): Use typename.
82         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
83         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
84
85 2010-08-02  Ian Lance Taylor  <iant@google.com>
86
87         PR 11855
88         * script.cc (Script_options::Script_options): Initialize
89         symbol_definitions_ and symbol_references_.
90         (Script_options::add_symbol_assignment): Update
91         symbol_definitions_ and symbol_references_.
92         (Script_options::add_symbol_reference): New function.
93         (script_symbol): New function.
94         * script.h (class Script_options): Add symbol_definitions_ and
95         symbol_references_ fields.
96         (Script_options::referenced_const_iterator): New type.
97         (Script_options::referenced_begin): New function.
98         (Script_options::referenced_end): New function.
99         (Script_options::is_referenced): New function.
100         (Script_options::any_unreferenced): New function.
101         * script-c.h (script_symbol): Declare.
102         * yyscript.y (exp): Call script_symbol.
103         * symtab.cc: Include "script.h".
104         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
105         Change all callers.  Check symbols referenced by scripts.
106         (Symbol_table::add_undefined_symbols_from_command_line): Add
107         layout parameter.  Change all callers.
108         (Symbol_table::do_add_undefined_symbols_from_command_line):
109         Likewise.  Break out loop body.  Check symbols referenced by
110         scripts.
111         (Symbol_table::add_undefined_symbol_from_command_line): New
112         function broken out of
113         do_add_undefined_symbols_from_command_line.
114         * symtab.h (class Symbol_table): Update declarations.
115         * archive.cc: Include "layout.h".
116         (Archive::should_include_member): Add layout parameter.  Change
117         all callers.  Check for symbol mentioned in expression.
118         * archive.h (class Archive): Update declaration.
119         * object.cc (Sized_relobj::do_should_include_member): Add layout
120         parameter.
121         * object.h (Object::should_include_member): Add layout parameter.
122         Change all callers.
123         (Object::do_should_include_member): Add layout parameter.
124         (class Sized_relobj): Update declaration.
125         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
126         parameter.
127         * dynobj.h (class Sized_dynobj): Update declaration.
128         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
129         layout parameter.
130         * plugin.h (class Sized_pluginobj): Update declaration.
131
132 2010-08-02  Ian Lance Taylor  <iant@google.com>
133
134         PR 11866
135         * output.cc (Output_segment::set_offset): Search for the first and
136         last sections rather than assuming that the list is in order.
137         (Output_segment::find_first_and_last_list): New function.
138         * output.h (class Output_segment): Update declarations.
139         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
140         (relro_strip_test_SOURCES): New variable.
141         (relro_strip_test_DEPENDENCIES): New variable.
142         (relro_strip_test_LDFLAGS): New variable.
143         (relro_strip_test_LDADD): New variable.
144         (relro_strip_test.so): New target.
145
146 2010-08-02  Ian Lance Taylor  <iant@google.com>
147
148         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
149         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
150         (Target_i386::got_tlsdesc_section): New function.
151         (Target_i386::got_section): Create space for GOT entries for
152         TLSDESC relocations.
153         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
154         R_386_TLS_GOTDESC.
155         (Target_i386::Scan::global): Likewise.
156         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
157         using TLSDESC GOT.
158         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
159         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
160         (Target_x86_64::got_tlsdesc_section): New function.
161         (Target_x86_64::got_section): Create space for GOT entries for
162         TLSDESC relocations.
163         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
164         R_386_TLS_GOTDESC.
165         (Target_x86_64::Scan::global): Likewise.
166         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
167         using TLSDESC GOT.
168
169 2010-08-02  Ian Lance Taylor  <iant@google.com>
170
171         * testsuite/final_layout.sh: Use dc to convert from hex to
172         decimal.
173
174 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
175
176         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
177         paramter to the call to gold::gc_process_relocs.
178         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
179         paramter to the call to gold::gc_process_relocs.
180         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
181         parameter to the call to gold::gc_process_relocs.
182         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
183         template parameter to the call to gold::gc_process_relocs.
184         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
185         paramter to the call to gold::gc_process_relocs.
186         * gc.h (get_embedded_addend_size): New function.
187         (gc_process_relocs): Save the size of the reloc for use by ICF.
188         * icf.cc (get_section_contents): Get the addend from the text section
189         for SHT_REL relocation sections.
190         * icf.h (Icf::Reloc_addend_size_info): New typedef.
191         (Icf::Reloc_info): Add new member reloc_addend_size_info.
192         * int_encoding.h (read_from_pointer): New overloaded function.
193         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
194         * testsuite/icf_sht_rel_addend_test.sh: New file.
195         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
196         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
197
198 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
199
200         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
201         * Makefile.in: Regenerate.
202         * testsuite/Makefile.in: Regenerate.
203
204 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
205
206         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
207         * gold/testsuite/debug_msg.cc: Likewise.
208         * gold/testsuite/odr_violation1.cc
209         * gold/testsuite/odr_violation2.cc
210
211 2010-07-21  Cary Coutant  <ccoutant@google.com>
212
213         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
214         string, and length fields.
215         (Output_merge_string::Merged_strings_list): New type.
216         (Output_merge_string::Merged_strings_lists): New typedef.
217         (Output_merge_string): Replace merged_strings_ with
218         merged_strings_lists_.
219         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
220         Merged_strings_list per input object and section.  Don't store pointer
221         to the string.  Don't store length with each merged string entry.
222         (Output_merge_string::finalize_merged_data): Loop over list of merged
223         strings lists.  Recompute length of each merged string.
224
225 2010-07-15  Cary Coutant  <ccoutant@google.com>
226
227         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
228         here.
229
230 2010-07-14  Ian Lance Taylor  <iant@google.com>
231
232         * descriptors.cc (Descriptors::open): Report correct name in error
233         message.
234
235 2010-07-13  Doug Kwan  <dougkwan@google.com>
236
237         * arm.cc (Arm_input_section::Arm_input_section): For a
238         SHT_ARM_EXIDX section, always keeps the input sections.
239         (Arm_input_section::set_exidx_section_link): New method.
240         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
241         has_errors_ to false.
242         (Arm_exidx_input_section::has_errors,
243         Arm_exidx_input_section::set_has_errors): New methods.
244         (Arm_exidx_input_section::has_errors_): New data member.
245         (Arm_relobj::get_exidx_shndx_list): New method.
246         (Arm_output_section::append_text_sections_to_list): Do not skip
247         section without SHF_EXECINSTR.
248         (Arm_output_section::fix_exidx_coverage): Skip input sections with
249         errors.
250         (Arm_relobj::make_exidx_input_section): Add new parameter for text
251         section header.  Make error messages more verbose.  Check for
252         a non-executable section linked to an EXIDX section.
253         (Arm_relobj::do_read_symbols): Remove error checking, which has been
254         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
255         check that there is no deferred EXIDX section if we exit early.
256         Instead of not making an EXIDX section in case of an error, make one
257         and set the has_errors flag of it.
258         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
259         in a relocatable link.
260         (Target_arm::do_relax): Look for the EXIDX output section instead of
261         assuming that it is called .ARM.exidx.
262         (Target_arm::fix_exidx_coverage): Add a new parameter for input
263         section list.  Do not check for SHF_EXECINSTR section flags but
264         skip any input section with errors.
265         * output.cc (Output_section::Output_section): Initialize
266         always_keeps_input_sections_ to false.
267         (Output_section::add_input_section): Check for
268         always_keeps_input_sections_.
269         *  output.h (Output_section::always_keeps_input_sections,
270         Output_section::set_always_keeps_input_sections): New methods.
271         (Output_section::always_keeps_input_sections): New data member.
272
273 2010-07-13  Rafael Espindola  <espindola@google.com>
274
275         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
276         * fileread.h (Input_file): Add try_extra_search_path and find_file.
277
278 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
279             Ian Lance Taylor  <iant@google.com>
280
281         * output.h (Output_section_lookup_maps::add_merge_section):
282         Correct check of whether value was inserted.
283         (Output_section_lookup_maps::add_merge_input_section): Likewise.
284         (Output_section_lookup_maps::add_relaxed_input_section):
285         Likewise.
286         * arm.cc (Target_arm::got_section): Remove used local os.
287         * i386.cc (Target_i386::got_section): Likewise.
288         * x86_64.cc (Target_x86_64::got_section): Likewise.
289         * sparc.cc (Target_sparc::got_section): Likewise.
290         (Target_sparc::relocate): Remove unused local have_got_offset.
291         * powerpc.cc (Target_powerpc::relocate): Likewise.
292
293 2010-07-13  Ian Lance Taylor  <iant@google.com>
294
295         * compressed_output.cc (zlib_decompress): Fix signature in
296         !HAVE_ZLIB_H case.
297
298         * archive.cc (Archive::include_member): Unlock an external member
299         of a thin archive.  Don't bother to delete an object we know is
300         NULL.
301
302 2010-07-12  Cary Coutant  <ccoutant@google.com>
303
304         * compressed_output.cc (zlib_decompress): New function.
305         (get_uncompressed_size): New function.
306         (decompress_input_section): New function.
307         * compressed_output.h (get_uncompressed_size): New function.
308         (decompress_input_section): New function.
309         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
310         Handle compressed debug sections.
311         * layout.cc (is_compressed_debug_section): New function.
312         (Layout::output_section_name): Map compressed section names to
313         canonical names.
314         * layout.h (is_compressed_debug_section): New function.
315         (is_debug_info_section): Recognize compressed debug sections.
316         * merge.cc: Include compressed_output.h.
317         (Output_merge_data::do_add_input_section): Handle compressed
318         debug sections.
319         (Output_merge_string::do_add_input_section): Handle compressed
320         debug sections.
321         * object.cc: Include compressed_output.h.
322         (Sized_relobj::Sized_relobj): Initialize new data members.
323         (build_compressed_section_map): New function.
324         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
325         * object.h (Object::section_is_compressed): New method.
326         (Object::do_section_is_compressed): New method.
327         (Sized_relobj::Compressed_section_map): New type.
328         (Sized_relobj::do_section_is_compressed): New method.
329         (Sized_relobj::compressed_sections_): New data member.
330         * output.cc (Output_section::add_input_section): Handle compressed
331         debug sections.
332         * reloc.cc: Include compressed_output.h.
333         (Sized_relobj::write_sections): Handle compressed debug sections.
334
335 2010-07-08  Cary Coutant  <ccoutant@google.com>
336
337         * resolve.cc (Symbol_table::resolve): Remember whether undef was
338         weak when resolving to a dynamic def.
339         (Symbol_table::should_override): Add adjust_dyndef flag; set it
340         for weak undef/dynamic def cases. Adjust callers.
341         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
342         undef_binding_weak_.
343         (Symbol_table::sized_write_globals): Adjust symbol binding.
344         (Symbol_table::sized_write_symbol): Add binding parameter.
345         * symtab.h (Symbol::set_undef_binding): New method.
346         (Symbol::is_undef_binding_weak): New method.
347         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
348         (Symbol_table::should_override): Add new parameter.
349         (Symbol_table::sized_write_symbol): Add new parameter.
350
351         * testsuite/weak_undef_file1.cc: Add new test case.
352         * testsuite/weak_undef_file2.cc: Fix header comment.
353         * testsuite/weak_undef_test.cc: Add new test case.
354
355 2010-06-29  Doug Kwan  <dougkwan@google.com>
356
357         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
358         Initialize USE_SYMBOL_.
359         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
360         definition.
361         (Arm_reloc_property::uses_symbol_): New data member declaration.
362         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
363         uses symbol value and symbol is undefined but not weakly undefined.
364
365 2010-06-28  Rafael Espindola  <espindola@google.com>
366
367         * plugin.cc (Plugin::load): Use dlerror.
368
369 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
370
371         * symtab.cc (detect_odr_violations): When reporting an ODR
372         violation, report an object where the symbol is defined.
373
374 2010-06-25  Doug Kwan  <dougkwan@google.com>
375
376         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
377         (Target_arm::section_may_have_icf_unsafe_pointers): New method
378         definition.
379         (Target_arm::Scan::local_reloc_may_be_function_pointer,
380         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
381         target hook to detect function points.
382         (Target_arm::Scan::possible_function_pointer_reloc): New method.
383         * icf.h (Icf::check_section_for_function_pointers): Change type of
384         parameter SECTION_NAME to const reference to std::string.  Use
385         target hook to determine if section may have unsafe pointers.
386         * target.h (Target::section_may_have_icf_unsafe_pointers): New
387         method definition.
388
389 2010-06-21  Rafael Espindola  <espindola@google.com>
390
391         * fileread.cc (Input_file::find_fie): New
392         (Input_file::open): Use Input_file::find_fie.
393         * fileread.h (Input_file::find_fie): New
394         * plugin.cc (set_extra_library_path): New.
395         (Plugin::load): Add set_extra_library_path to the transfer vector.
396         (Plugin_manager::set_extra_library_path): New.
397         (Plugin_manager::add_input_file): Use the extra search path if set.
398         (set_extra_library_path(): New.
399         * plugin.h (Plugin_manager): Add set_extra_library_path and
400         extra_search_path_.
401
402 2010-06-19  Cary Coutant  <ccoutant@google.com>
403
404         * layout.cc (gdb_sections): Add .debug_types.
405         (lines_only_debug_sections): Likewise.
406
407 2010-06-18  Rafael Espindola  <espindola@google.com>
408
409         * plugin.cc (add_input_file,add_input_library)
410         (Plugin_manager::add_input_file): Make filename arguments const.
411         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
412         const.
413
414 2010-06-16  Doug Kwan  <dougkwan@google.com>
415
416         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
417         .ARM.attributes section if we have not merged any input
418         attributes sections.
419
420 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
421
422         * arm.cc: Allow combining objects with no EABI version
423         information.
424
425 2010-06-15  Rafael Espindola  <espindola@google.com>
426
427         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
428
429 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
430
431         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
432         (struct iovec): Correct !HAVE_READV definition.
433
434 2010-06-10  Cary Coutant  <ccoutant@google.com>
435
436         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
437         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
438         reloc sections.
439         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
440
441         PR 11683
442         * symtab.h (Symbol::is_placeholder): New member function.
443         * target-reloc.h (relocate_section): Check for placeholder symbols.
444
445         * testsuite/Makefile.am (plugin_test_8): New test.
446         (plugin_test_9): New test.
447         * testsuite/Makefile.in: Regenerate.
448
449 2010-06-09  Nick Clifton  <nickc@redhat.com>
450
451         * yyscript.y (input_list_element): Allow strings prefixed with
452         the '-' character.  Treat these as libraries.
453         * script.cc (script_add_library): New function.  Adds a library
454         specified by "-l<name>" found in an input script.
455         * script-c.h: Add prototype for script_add_library.
456
457 2010-06-07  Doug Kwan  <dougkwan@google.com>
458
459         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
460         Restrict stub-group size to be within long conditional branch
461         range when working around cortex-A8 erratum.
462
463 2010-06-07  Damien Diederen  <dd@crosstwine.com>
464
465         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
466         #ifdef typo.
467
468 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
469
470         PR gold/11658
471         * output.cc
472         (Output_section::Input_section_sort_entry::compare_section_ordering):
473         Change to return non-zero correctly.
474         (Output_section::Input_section_sort_section_order_index_compare
475         ::operator()): Change to fix ambiguity in comparisons.
476
477 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
478
479         * gold.h (is_wildcard_string): New function.
480         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
481         (Layout::layout_eh_frame): Ditto.
482         (Layout::find_section_order_index): New method.
483         (Layout::read_layout_from_file): New method.
484         * layout.h (Layout::find_section_order_index): New method.
485         (Layout::read_layout_from_file): New method.
486         (Layout::input_section_position_): New private member.
487         (Layout::input_section_glob_): New private member.
488         * main.cc (main): Call read_layout_from_file here.
489         * options.h (--section-ordering-file): New option.
490         * output.cc (Output_section::input_section_order_specified_): New
491         member.
492         (Output_section::Output_section): Initialize new member.
493         (Output_section::add_input_section): Add new parameter.
494         Keep input sections when --section-ordering-file is used.
495         (Output_section::set_final_data_size): Sort input sections when
496         section ordering file is specified.
497         (Output_section::Input_section_sort_entry): Add new parameter.
498         Check sorting type.
499         (Output_section::Input_section_sort_entry::compare_section_ordering):
500         New method.
501         (Output_section::Input_section_sort_compare::operator()): Change to
502         consider section_order_index.
503         (Output_section::Input_section_sort_init_fini_compare::operator()):
504         Change to consider section_order_index.
505         (Output_section::Input_section_sort_section_order_index_compare
506         ::operator()): New method.
507         (Output_section::sort_attached_input_sections): Change to sort
508         according to section order when specified.
509         (Output_section::add_input_section<32, true>): Add new parameter.
510         (Output_section::add_input_section<64, true>): Add new parameter.
511         (Output_section::add_input_section<32, false>): Add new parameter.
512         (Output_section::add_input_section<64, false>): Add new parameter.
513         * output.h (Output_section::add_input_section): Add new parameter.
514         (Output_section::input_section_order_specified): New
515         method.
516         (Output_section::set_input_section_order_specified): New method.
517         (Input_section::Input_section): Initialize section_order_index_.
518         (Input_section::section_order_index): New method.
519         (Input_section::set_section_order_index): New method.
520         (Input_section::section_order_index_): New member.
521         (Input_section::Input_section_sort_section_order_index_compare): New
522         struct.
523         (Output_section::input_section_order_specified_): New member.
524         * script-sections.cc (is_wildcard_string): Delete and move modified
525         method to gold.h.
526         (Output_section_element_input::Output_section_element_input): Modify
527         call to is_wildcard_string.
528         (Output_section_element_input::Input_section_pattern
529         ::Input_section_pattern): Ditto.
530         (Output_section_element_input::Output_section_element_input): Ditto.
531         * testsuite/Makefile.am (final_layout): New test case.
532         * testsuite/Makefile.in: Regenerate.
533         * testsuite/final_layout.cc: New file.
534         * testsuite/final_layout.sh: New file.
535
536 2010-06-01  Rafael Espindola  <espindola@google.com>
537
538         * plugin.cc (Plugin::load): Pass the output name to the plugin.
539
540 2010-06-01  Rafael Espindola  <espindola@google.com>
541
542         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
543         visibility of symbols.
544
545 2010-05-27  Doug Kwan  <dougkwan@google.com>
546
547         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
548         from start of output section instead of address for a local symbol
549         in a merged or relaxed section when doing a relocatable link.
550
551 2010-05-26  Rafael Espindola  <espindola@google.com>
552
553        PR 11604
554         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
555         adding sections the garbage collector removed.
556         * gold/testsuite/Makefile.am: Add test.
557         * gold/testsuite/Makefile.in: Regenerate.
558         * gold/testsuite/plugin_test_7.sh: New.
559         * gold/testsuite/plugin_test_7_1.c: New.
560         * gold/testsuite/plugin_test_7_2.c: New.
561
562 2010-05-26  Rafael Espindola  <espindola@google.com>
563
564         * script-sections.cc (Output_section_definition::set_section_addresses):
565         Check for --section-start.
566
567 2010-05-26  Doug Kwan  <dougkwan@google.com>
568
569         * arm.cc (Arm_scan_relocatable_relocs): New class.
570         (Target_arm::relocate_special_relocatable): New method.
571         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
572         (Arm_relocate_functions::thumb_branch_common): Same.
573         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
574         instead of Default_scan_relocatable_relocs.
575         * target-reloc.h (relocate_for_relocatable): Let target handle
576         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
577         * target.h (Sized_target::relocate_special_relocatable): New method.
578
579 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
580
581         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
582
583 2010-05-23  Doug Kwan  <dougkwan@google.com>
584
585         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
586         instead of a cast.
587         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
588         with a direct branch, not a conditional branch, to a stub.
589         * merge.cc (Output_merge_base::record_input_section): New method
590         defintion.
591         (Output_merge_data::do_add_input_section): Record input section if
592         keeps-input-sections flag is set.
593         (Output_merge_string::do_add_input_section): Ditto.
594         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
595         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
596         INPUT_SECTIONS_.
597         (Output_merge_base::keeps_input_sections,
598         Output_merge_base::set_keeps_input_sections,
599         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
600         method definitions.
601         (Output_merge_base::Input_sections): New type declaration.
602         (Output_merge_base::input_sections_begin,
603         Output_merge_base::input_sections_end,
604         Output_merge_base::do_set_keeps_input_sections): New method definitions.
605         (Output_merge_base::bool keeps_input_sections_,
606         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
607         Output_merge_base::input_sections_): New data members.
608         (Output_merge_data::do_set_keeps_input_sections): New method
609         defintion.
610         (Output_merge_string::do_set_keeps_input_sections): Ditto.
611         * output.cc (Output_section::Input_section::relobj): Move method
612         defintion from class declaration to here and handle merge sections.
613         (Output_section::Input_section::shndx): Ditto.
614         (Output_section::Output_section): Remove initializations of removed
615         data members and initialize new data member LOOKUP_MAPS_.
616         (Output_section::add_input_section): Set keeps-input-sections flag
617         for a newly created merge output section as appropriate.  Adjust code
618         to use Output_section_lookup_maps class.
619         (Output_section::add_relaxed_input_section): Adjst code for lookup
620         maps code refactoring.
621         (Output_section::add_merge_input_section): Add a new parameter
622         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
623         class.  If adding input section to a newly created merge output
624         section fails, remove the new merge section.
625         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
626         Adjust code for use of the Output_section_lookup_maps class.
627         (Output_section::find_merge_section): Ditto.
628         (Output_section::build_lookup_maps): New method defintion.
629         (Output_section::find_relaxed_input_section): Adjust code to use
630         Output_section_lookup_maps class.
631         (Output_section::get_input_sections): Export merge sections.  Adjust
632         code to use Output_section_lookup_maps class.
633         (Output_section:::add_script_input_section): Adjust code to use
634         Output_section_lookup_maps class.  Update lookup maps for merge
635         sections also.
636         (Output_section::discard_states): Use Output_section_lookup_maps.
637         (Output_section::restore_states): Same.
638         * output.h (Merge_section_properties): Move class defintion out of
639         Output_section.
640         (Output_section_lookup_maps): New class.
641         (Output_section::Input_section::is_merge_section): New method
642         defintion.
643         (Output_section::Input_section::relobj): Move defintion out of class
644         defintion.  Declare method only.
645         (Output_section::Input_section::shndx): Ditto.
646         (Output_section::Input_section::output_merge_base): New method defintion.
647         (Output_section::Input_section::u2_.pomb): New union field.
648         (Output_section::Merge_section_by_properties_map,
649         Output_section::Output_section_data_by_input_section_map,
650         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
651         Remove types.
652         (Output_section::add_merge_input_section): Add new parameter
653         KEEPS_INPUT_SECTIONS.
654         (Output_section::build_lookup_maps): New method declaration.
655         (Output_section::merge_section_map_,
656         Output_section::merge_section_by_properties_map_,
657         Output_section::relaxed_input_section_map_,
658         Output_section::is_relaxed_input_section_map_valid_): Remove data
659         members.
660         (Output_section::lookup_maps_): New data member.
661
662 2010-05-21  Doug Kwan  <dougkwan@google.com>
663
664         PR gold/11619
665         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
666         avoid a compilation error.
667
668 2010-05-19  Rafael Espindola  <espindola@google.com>
669
670         * script-sections.cc (Output_section_definition::allocate_to_segment):
671         Update the phdrs_list even when the output section is NULL.
672         * testsuite/Makefile.am: Add test.
673         * testsuite/Makefile.in: Regenerate.
674         * testsuite/script_test_9.cc: New.
675         * testsuite/script_test_9.sh: New.
676         * testsuite/script_test_9.t: New.
677
678 2010-05-19  Doug Kwan  <dougkwan@google.com>
679
680         * arm.cc (Arm_input_section::original_size): New method.
681         (Arm_input_section::do_addralign): Add a cast.
682         (Arm_input_section::do_output_offset): Remove static cast.
683         (Arm_input_section::original_addralign,
684          Arm_input_section::original_size_): Change type to uint32_t.
685         (Arm_input_section::init): Add safe casts for section alignment
686         and size.
687         (Arm_input_section::set_final_data_size): Do not set address and
688         offset of stub table.
689         (Arm_output_section::fix_exidx_coverage): Change use of of
690         Output_section::Simple_input_section to that of
691         Output_section::Input_section.
692         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
693         except for the first pass.
694         * output.cc (Output_section::get_input_sections): Change type of
695         input_sections to std::list<Input_section>.
696         (Output_section::add_script_input_section): Rename from
697         Output_section::add_simple_input_section.  Change type of SIS
698         parameter from Simple_input_section to Input_section.
699         * output.h (Output_section::Simple_input_section): Remove class.
700         (Output_section::Input_section): Change class visibility to public.
701         (Output_section::Input_section::addralign): Use stored alignments
702         for special input sections if set.
703         (Output_section::Input_section::set_addralign): New method.
704         (Output_section::get_input_sections): Change parameter type from
705         list of Simple_input_section to list of Input_section.
706         (Output_section::add_script_input_section): Rename from
707         Output_section::add_simple_input_section. Change first parameter's
708         type from Simple_input_section to Input_section and remove the
709         second and third parameters.
710         * script-sections.cc (Input_section::Input_section_list): Change
711         type to list of Output_section::Input_section/
712         (Input_section_info::Input_section_info): Change parameter type of
713         INPUT_SECTION to Output_section::Input_section.
714         (Input_section_info::input_section): Change return type.
715         (Input_section_info::input_section_): Change type to
716         Output_section::Input_section.
717         (Output_section_element_input::set_section_addresses): Adjust code
718         to use Output_section::Input_section instead of
719         Output_section::Simple_input_section.  Adjust code for renaming
720         of Output_section::add_simple_input_section.
721         (Orphan_output_section::set_section_addresses): Ditto.
722
723 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
724
725         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
726         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
727
728 2010-05-18  Rafael Espindola  <espindola@google.com>
729
730         * options.cc (General_options::finalize): Handle -nostdlib.
731         * options.h (nostdlib): New option.
732         * script.cc (script_add_search_dir): Handle -nostdlib.
733
734 2010-05-12  Doug Kwan  <dougkwan@google.com>
735
736         * arm.cc (Target_arm::do_finalize_sections): Create an empty
737         attributes section only if there no attributes section after merging.
738         (Target_arm::merge_object_attributes): Move value of
739         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
740         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
741         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
742         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
743         and arm_attr_merge_7.stdout.
744         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
745         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
746         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
747         arm_attr_merge_7b.o): New rules.
748         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
749         arm_attr_merge_7
750         * testsuite/Makefile.in: Regenerate.
751         * testsuite/arm_attr_merge.sh: New file.
752         * testsuite/arm_attr_merge_[67][ab].s: Same.
753
754 2010-05-05  Nick Clifton  <nickc@redhat.com>
755
756         * po/es.po: Updated Spanish translation.
757
758 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
759
760         * Makefile.am (install-exec-local): Properly install gold as
761         default cross linker.
762         * Makefile.in: Regenerated.
763
764 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
765             Nick Clifton  <nickc@redhat.com>
766
767         * configure.ac (install_as_default): Define and set to false
768         unless --enable-gold or --enable-gold=both/gold has been
769         specified.
770         * configure: Regenerate.
771
772         * Makefile.am (install-exec-local): Install the executable as
773         'ld.gold'.  If install_as_default is true then also install it as
774         'ld'.
775         * Makefile.in: Regenerated.
776
777 2010-04-24  Ian Lance Taylor  <iant@google.com>
778
779         * layout.cc (Layout::layout_reloc): In relocatable link don't
780         combine reloc sections for grouped sections.
781
782 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
783
784         * gc.h (gc_process_relocs): Pass information on relocs pointing to
785         sections that are not ordinary to icf.
786         * icf.cc (get_section_contents): Handle relocation pointing to section
787         with no object or shndx information.
788         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
789         * testsuite/Makefile.in: Regenerate.
790         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
791         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
792
793 2010-04-22  Ian Lance Taylor  <iant@google.com>
794
795         * expression.cc (Expression::Expression_eval_info): Add
796         result_alignment_pointer field.
797         (Expression::eval_with_dot): Add result_alignment_pointer
798         parameter.  Change all callers.
799         (Expression::eval_maybe_dot): Likewise.
800         (class Binary_expression): Add alignment_pointer parameter to
801         left_value and right_value.  Change all callers.
802         (BINARY_EXPRESSION): Set result alignment.
803         (class Trinary_expression): Add alignment_pointer parameter to
804         arg2_value and arg3_value.  Change all callers.
805         (Trinary_cond::value): Set result alignment.
806         (Max_expression::value, Min_expression::value): Likewise.
807         (Align_expression::value): Likewise.
808         * script-sections.cc (class Sections_element): Add dot_alignment
809         parameter to set_section_addresses virtual function.  Update
810         instantiations.
811         (class Output_section_element): Likewise.
812         (Script_sections::create_segments): Add dot_alignment parameter.
813         Change all callers.
814         (Script_sections::create_segments_from_phdrs_clause): Likewise.
815         (Script_sections::set_phdrs_clause_addresses): Likewise.
816         * script-sections.h: Update declarations.
817         * script.h: Update declarations.
818         * output.h (Output_segment::set_minimum_p_align): Don't decrease
819         min_p_align.
820         * testsuite/script_test_3.t: Set large alignment.
821         * testsuite/script_test_3.sh: Make sure that at least one LOAD
822         segment has expected alignment.
823
824 2010-04-22  Nick Clifton  <nickc@redhat.com>
825
826         * po/gold.pot: Updated by the Translation project.
827         * po/vi.po: Updated Vietnamese translation.
828
829 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
830
831         * testsuite/Makefile.am (check_PROGRAMS): Add
832         icf_virtual_function_folding_test.
833         * testsuite/Makefile.in: Regenerated.
834
835 2010-04-15  Andrew Haley  <aph@redhat.com>
836
837         * options.h (merge_exidx_entries): New option.
838         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
839         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
840         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
841         (Target_arm::merge_exidx_entries): New function.
842         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
843         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
844         to Arm_exidx_fixup constructor.
845         Add new arg, merge_exidx_entries.
846         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
847         Arm_output_section::fix_exidx_coverage.
848
849 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
850
851         * icf.cc (get_section_contents): Check for preemptible functions.
852         Ignore addend when appropriate.
853         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
854         section folded.
855         (add_from_relobj): Check for section folded.
856         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
857         * symtab.h (should_add_dynsym_entry): Add new parameter.
858         * target-reloc.h (scan_relocs): Check for section folded.
859         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
860         Check reloc types for function pointers in shared objects.
861         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
862         case.
863         (icf_preemptible_functions_test): New test case.
864         (icf_string_merge_test): New test case.
865         * testsuite.Makefile.in: Regenerate.
866         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
867         bar_glob.  Refactor code.
868         * testsuite/icf_preemptible_functions_test.cc: New file.
869         * testsuite/icf_preemptible_functions_test.sh: New file.
870         * testsuite/icf_string_merge_test.cc: New file.
871         * testsuite/icf_string_merge_test.sh: New file.
872         * testsuite/icf_virtual_function_folding_test.cc: New file.
873         * testsuite/icf_virtual_function_folding_test.sh: New file.
874
875 2010-04-14  Doug Kwan  <dougkwan@google.com>
876
877         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
878         for local symbol recounting if we remove a section due to ICF.
879         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
880         there are no regular objects in input.
881
882 2010-04-13  Doug Kwan  <dougkwan@google.com>
883
884         * arm.cc (Arm_input_section::set_final_data_size): Compute
885         accurate final data size instead of using current data size.
886
887 2010-04-09  Doug Kwan  <dougkwan@google.com>
888
889         * layout.cc (Layout::choose_output_section): Handle script section
890         types.
891         (Layout::make_output_section_for_script): Add section type parameter.
892         Handle script section types.
893         * layout.h (Layout::make_output_section_for_script): Add section
894         type parameter.
895         * output.cc (Output_section::Output_section): Initialize data member
896         is_noload_.
897         (Output_section::do_reset_address_and_file_offset): Do not set address
898         to 0 if section is a NOLOAD section.
899         * output.h (Output_section::is_noload): New method.
900         (Output_section::set_is_noload): Ditto.
901         (Output_section::is_noload_): New data member.
902         * script-c.h (Script_section_type): New enum type.
903         (struct Parser_output_section_header): Add new file section_type.
904         * script-sections.cc (Sections_element::output_section_name): Add
905         parameter for returning script section type.
906         (Output_section_definition::output_section_name): Ditto.
907         (Output_section_definition::section_type)P; New method.
908         (Output_section_definiton::script_section_type_name): Ditto.
909         (Output_section_definition::script_section_type_): New data member.
910         (Output_section_definition::Output_section_definition): Initialize
911         data member Output_section_definition::script_section_type_.
912         (Output_section_definition::create_sections): Pass script section type
913         to Layout::make_output_section_for_script.
914         (Output_section_definition::output_section_name): Return script
915         section type to caller.
916         (Output_section_definition::set_section_address): Do not advance
917         dot value and load address if section type is NOLOAD.  Set address
918         of NOLOAD sections regardless of section flags.
919         (Output_section_definition::print): Print section type if it is
920         not SCRIPT_SECTION_TYPE_NONE.
921         (Output_section_definition::section_type): New method.
922         (Output_section_definition::script_section_type_name): Ditto.
923         (Script_sections::output_section_name): Add new parameter
924         PSECTION_TYPE for returning script section type.  Pass it to
925         section elements.  Handle discard sections.
926         (Sort_output_sections::operator()): Handle NOLOAD sections.
927         * script-sections.h (Script_sections::Section_type): New enum type.
928         (Script_sections::output_section_name): Add a new parameter for
929         returning script section type.
930         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
931         INFO and NOLOAD.
932         * yyscript.y (union): Add new field SECTION_TYPE.
933         (COPY, DSECT, INFO, NOLOAD): New tokens.
934         (opt_address_and_section_type): Change type to output_section_header.
935         (section_type): New non-terminal
936         (section_header): Handle section type.
937         (opt_address_and_section_type): Return section type value.
938
939 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
940
941         * testsuite/plugin_common_test_1.c (foo): Add prototype.
942         * testsuite/plugin_common_test_2.c (foo): Likewise.
943
944 2010-04-08  Doug Kwan  <dougkwan@google.com>
945
946         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
947         Output_merge_data.
948         * output.cc (Output_section::add_merge_input_section): Simplify
949         code and return status of Output_merge_base::add_input_section.
950         Update merge section map only if Output_merge_base::add_input_section
951         returns true.
952
953 2010-04-07  Doug Kwan  <dougkwan@google.com>
954
955         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
956         if section is marked as containing instructions but has no mapping
957         symbols.
958         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
959         correct section index.
960         (Arm_relobj::find_linked_text_section): Ditto.
961
962 2010-04-07  Cary Coutant  <ccoutant@google.com>
963
964         * archive.cc (include_member): Destroy Read_symbols_data object before
965         releasing file.
966         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
967         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
968         (Read_symbols_data::~Read_symbols_data) New destructor.
969         (Section_relocs::Section_relocs) New constructor.
970         (Section_relocs::~Section_relocs) New destructor.
971         (Read_relocs_data::Read_relocs_data) New constructor.
972         (Read_relocs_data::~Read_relocs_data) New destructor.
973         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
974         pointers to NULL after deleting.
975
976 2010-04-07  Doug Kwan  <dougkwan@google.com>
977
978         * arm.cc: Replace "endianity" with "endianness" in comments.
979         (Arm_exidx_cantunwind): Ditto.
980         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
981         (Arm_relobj::merge_flags_and_attributes): New method.
982         (Arm_relobj::merge_flags_and_attributes_): New data member.
983         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
984         (Arm_relobj::scan_sections_for_stubs): Ditto.
985         (Arm_relobj::do_read_symbols): Check to see if we really want to
986         merge processor-specific flags and attributes.  Exit early if
987         an object is empty except for section names and the undefined symbol.
988         (Target_arm::do_finalize_sections): Move check for ELF format to
989         Arm_relobj::do_read_symbols.  Merge processor specific flags and
990         attributes from a regular object only when we have determined that
991         it is aapropriate.  Do not create an .ARM.attributes section in
992         output if there is no regular input object.
993         (Target_arm::merge_processor_specific_flags): Check
994         --warn-mismatch before printing any error.
995         (Target_arm::merge_object_attributes): Ditto.
996         * gold.cc (queue_middle_tasks): Handle the case in which there is
997         no regular object in input.
998         * options.cc (General_options::parse_EB): New method.
999         (General_options::parse_EL): Same.
1000         (General_options::General_options): Initialize endianness_.
1001         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
1002         New options.
1003         (General_options::Endianness): New enum.
1004         (General_options::endianness): New method.
1005         (General_options::endianness_): New data member.
1006         * parameters.cc (Parameters::set_options): Check target endianness.
1007         (Parameters::set_target_once): Ditto.
1008         (Parameters::check_target_endianness): New method.
1009         (parameters_force_valid_target): If either -EL or -EB is specified,
1010         use it to define endianness of default target.
1011         * parameters.h (Parameters::check_target_endianness): New method
1012         declaration.
1013         * target.h (class Target): Change "endianity" to "endianness"
1014         in comments.
1015
1016 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1017
1018         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
1019         * configure: Regenerate.
1020         * Makefile.in: Regenerate.
1021         * testsuite/Makefile.in: Regenerate.
1022
1023 2010-04-06  Cary Coutant  <ccoutant@google.com>
1024
1025         gcc PR lto/42757
1026         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
1027         prevailing definitions of common symbols.
1028         * testsuite/plugin_test_6.sh: New test case.
1029         * testsuite/plugin_common_test_1.c: New test case.
1030         * testsuite/plugin_common_test_2.c: New test case.
1031         * testsuite/Makefile.am (plugin_test_6): New test case.
1032         * testsuite/Makefile.in: Regenerate.
1033
1034 2010-04-06  Nick Clifton  <nickc@redhat.com>
1035
1036         * po/vi.po: New Vietnamese translation.
1037
1038 2010-03-30  Doug Kwan  <dougkwan@google.com>
1039
1040         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
1041
1042 2010-03-25  Doug Kwan  <dougkwan@google.com>
1043
1044         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
1045         to avoid a conversion warning on a 32-bit host.
1046
1047 2010-03-24  Ian Lance Taylor  <iant@google.com>
1048
1049         * testsuite/script_test_3.t: Add a TLS segment.
1050         * testsuite/Makefile.am (check_PROGRAMS): Add
1051         tls_phdrs_script_test.
1052         (tls_phdrs_script_test_SOURCES): Define.
1053         (tls_phdrs_script_test_DEPENDENCIES): Define.
1054         (tls_phdrs_script_test_LDFLAGS): Define.
1055         (tls_phdrs_script_test_LDADD): Define.
1056         * testsuite/Makefile.in: Rebuild.
1057
1058 2010-03-23  Cary Coutant  <ccoutant@google.com>
1059
1060         * fileread.cc (find_or_make_view): Fix comment.
1061
1062 2010-03-23  Ian Lance Taylor  <iant@google.com>
1063
1064         * script-sections.cc (class Orphan_section_placement): Define
1065         PLACE_TLS and PLACE_TLS_BSS.
1066         (Orphan_section_placement::Orphan_section_placement): Initialize
1067         new places.
1068         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
1069         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
1070         (tls_script_test_SOURCES): Define.
1071         (tls_script_test_DEPENDENCIES): Define.
1072         (tls_script_test_LDFLAGS): Define.
1073         (tls_script_test_LDADD): Define.
1074         * testsuite/Makefile.in: Rebuild.
1075
1076 2010-03-22  Doug Kwan  <dougkwan@google.com>
1077
1078         * arm.cc (Arm_relocate_functions::abs8,
1079         Arm_relocate_functions::abs16): Use correct check for overflow
1080         specified in the ARM ELF specs.
1081         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
1082         target of a BLX instruction specially.
1083         (Reloc_stub::stub_type_for_reloc): Ditto.
1084         (Relocate::relocate): Use symbolic names instead of numeric relocation
1085         codes to report error.
1086         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
1087         workaround.
1088         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
1089         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
1090         thumb2_blx_out_of_range.stdout
1091         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
1092         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
1093         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
1094         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
1095         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
1096         thumb2_blx_in_range, thumb2_blx_in_range.o,
1097         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
1098         thumb2_blx_out_of_range.o): New rules.
1099         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
1100         thumb2_blx_in_range and thumb2_blx_out_of_range.
1101         * testsuite/Makefile.in: Regenerate.
1102         * arm_branch_in_range.sh: Add tests for THUMB BLX.
1103         * testsuite/thumb_blx_in_range.s: New file.
1104         * testsuite/thumb_blx_out_of_range.s: New file.
1105
1106 2010-03-22  Rafael Espindola  <espindola@google.com>
1107
1108         * archive.cc (Should_include): Move to archive.h.
1109         (should_include_member): Make it a member of Archive.
1110         (Lib_group): New.
1111         (Add_lib_group_symbols): New.
1112         * archive.h: Include options.h.
1113         (Archive_member): Moved from Archive.
1114         (Should_include): Moved from archive.cc.
1115         (Lib_group): New.
1116         (Add_lib_group_symbols): New.
1117         * dynobj.cc (do_should_include_member): New.
1118         * dynobj.h (do_should_include_member): New.
1119         * gold.cc (queue_initial_tasks): Update call to queue.
1120         * main.cc (main): Print lib group stats.
1121         * object.cc (do_should_include_member): New.
1122         * object.h: Include archive.h.
1123         (Object::should_include_member): New.
1124         (Object::do_should_include_member): New.
1125         (Sized_relobj::do_should_include_member): New.
1126         * options.cc (General_options::parse_start_lib): New.
1127         (General_options::parse_end_lib): New.
1128         (Input_arguments::add_file): Handle lib groups.
1129         (Input_arguments::start_group): Check we are not in a lib.
1130         (Input_arguments::start_lib): New.
1131         (Input_arguments::end_lib): New.
1132         * options.h (General_options): Add start_lib and end_lib.
1133         (Input_argument::lib_): New.
1134         (Input_argument::lib): New.
1135         (Input_argument::is_lib): New.
1136         (Input_file_lib): New.
1137         (Input_arguments::in_lib_): New.
1138         (Input_arguments::in_lib): New.
1139         (Input_arguments::start_lib): New.
1140         (Input_arguments::end_lib_): New.
1141         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
1142         in unused members as preempted.
1143         (Sized_pluginobj::do_should_include_member): New.
1144         * plugin.h (Sized_pluginobj::do_should_include_member): New.
1145         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
1146         return the blocker.
1147         (Read_symbols::do_whole_lib_group): New.
1148         (Read_symbols::do_lib_group): New.
1149         (Read_symbols::do_read_symbols): Handle lib groups.
1150         (Read_symbols::get_name): Handle lib groups.
1151         * readsyms.h (Read_symbols): Add an archive member pointer.
1152         (Read_symbols::do_whole_lib_group): New.
1153         (Read_symbols::do_lib_group): New.
1154         (Read_symbols::member_): New.
1155         * script.cc (read_input_script): Update call to queue_soon.
1156
1157 2010-03-19  Doug Kwan  <dougkwan@google.com>
1158
1159         * arm.cc (Stub_table::Stub_table): Initialize new data members
1160         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1161         (Stub_table::add_reloc_stub): Assign stub offset and update
1162         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1163         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
1164         New data members.
1165         (Stub_table::update_data_size_and_addralign): Use
1166         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
1167         instead of going over all reloc stubs.
1168         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
1169         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1170         Stringpool_template::offset_ to size of Stringpool_char.
1171         (Stringpool_template::new_key_offset): Remove code to initialize
1172         Stringpool_template::offset_.
1173         * stringpool.h (Stringpool_template::set_no_zero_null): Set
1174         Stringpool_template::offset_ to zero.
1175
1176 2010-03-15  Doug Kwan  <dougkwan@google.com>
1177
1178         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1179         offset_.
1180         (Stringpool_template::new_key_offset): New method.
1181         (Stringpool_template::add_string): Assign offsets when adding new
1182         strings.
1183         (Stringpool_template::set_string_offsets): Do not set string offsets
1184         when not optimizing.
1185         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
1186         member size_.
1187         (Chunked_vector::clear): Clear size_.
1188         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
1189         (Chunked_vector::size): Return size_.
1190         (Chunked_vector::push_back): Use size_ to find insert position.
1191         (Chunked_vector::size_): New data member.
1192         (Stringpool_template::set_no_zero_null): Assert string set is empty.
1193         (Stringpool_template::new_key_offset): New method declaration.
1194         (Stringpool_template::offset_): New data member.
1195
1196 2010-03-15   Rafael Espindola  <espindola@google.com>
1197
1198         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
1199         Add_symbols' constructor.
1200         * readsyms.h (Add_symbols): Remove the input_group member.
1201
1202 2010-03-10  Ian Lance Taylor  <iant@google.com>
1203
1204         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
1205         target to ask whether a reference to a symbol requires a stack
1206         split.
1207         * target.h (Target::is_call_to_non_split): New function.
1208         (Target::do_is_call_to_non_split): Declare virtual function.
1209         * target.cc: Include "symtab.h".
1210         (Target::do_is_call_to_non_split): New function.
1211         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
1212
1213 2010-03-10  Cary Coutant  <ccoutant@google.com>
1214
1215         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
1216         (File_read::open[1]): Remove initial mapping of whole_file_view_.
1217         (File_read::open[2]): Add whole_file_view_ to list of views.
1218         (File_read::make_view): Remove test of whole_file_view_.
1219         (File_read::find_or_make_view): Create whole_file_view_ if
1220         necessary.
1221         (File_read::clear_views): Replace bool parameter with enum;
1222         adjust all callers.  Don't delete views with permanent data;
1223         do delete cached views and views from archives if
1224         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
1225         if clearing the corresponding view.
1226         * fileread.h (File_read::Clear_views_mode): New enum.
1227         (File_read::View::is_permanent_view): New method.
1228         (File_read::clear_views): Replace bool parameter
1229         with enum; adjust all callers.
1230         * options.h (General_options): Change keep_files_mapped option;
1231         add map_whole_files.
1232         * readsyms.cc (Add_symbols::run): Delete sd_ object before
1233         releasing the file.
1234         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
1235         the file.
1236
1237 2010-03-10  David S. Miller  <davem@davemloft.net>
1238
1239         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
1240
1241 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
1242
1243         * icf.cc (get_section_contents): Add '@' marker after processing the
1244         merge reloc.
1245
1246 2010-03-08  Doug Kwan  <dougkwan@google.com>
1247
1248         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
1249         due to a conversion warning.
1250         (Arm_relobj::update_output_local_symbol_count): Check for local
1251         symbol with unset output index.
1252
1253 2010-03-05  Ian Lance Taylor  <iant@google.com>
1254
1255         * options.h (class General_options): Add --spare-dynamic-tags.
1256         * output.cc (Output_data_dynamic::set_final_data_size): Implement
1257         --spare-dynamic-tags.
1258
1259 2010-03-05  Ian Lance Taylor  <iant@google.com>
1260
1261         * incremental.cc: Include "libiberty.h".
1262
1263 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1264
1265         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
1266         function, is_info_ member.
1267         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
1268         (Versions::Versions): Update caller.
1269         (Versions::define_base_version): Likewise.
1270         (Versions::add_def): Likewise.
1271
1272 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
1273
1274         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
1275         (Scan::possible_function_pointer_reloc): New function.
1276         (Scan::local_reloc_may_be_function_pointer): Change to call
1277         possible_function_pointer_reloc.
1278         (Scan::global_reloc_may_be_function_pointer): Ditto.
1279         * icf.h (Icf::check_section_for_function_pointers): Change to reject
1280         relocations in ".data.rel.ro._ZTV" section.
1281         * testsuite/icf_safe_so_test.sh: Change to pass i386.
1282         * testsuite/icf_safe_so_test.cc: Ditto.
1283         * testsuite/icf_safe_test.cc: Ditto.
1284         * testsuite/icf_safe_test.sh: Ditto.
1285
1286 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1287             Ian Lance Taylor  <iant@google.com>
1288
1289         * target-reloc.h (relocate_section): Check the symbol table index
1290         for -1U before setting the local symbol index.
1291         (scan_relocatable_relocs): If copying the relocation, record that
1292         the local symbol is required.
1293         * object.h (Symbol_value::is_output_symtab_index_set): New
1294         function.
1295         (Symbol_value::may_be_discarded_from_output_symtab): New
1296         function.
1297         (Symbol_value::has_output_symtab_entry): New function.
1298         (Symbol_value::needs_output_symtab_entry): Remove.
1299         (Symbol_value::output_symtab_index): Make sure the symbol index is
1300         set.
1301         (Symbol_value::set_output_symtab_index): Make sure the symbol
1302         index is not set.  Make sure the new index is valid.
1303         (Symbol_value::set_must_have_output_symtab_entry): New function.
1304         (Symbol_value::has_output_dynsym_entry): New function.
1305         (Symbol_value::set_output_dynsym_index): Make sure the new index
1306         is valid.
1307         (Sized_relobj::set_must_have_output_symtab_entry): New function.
1308         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
1309         local symbol if permitted.
1310         (Sized_relobj::do_finalize_local_symbols): Call
1311         is_output_symtab_index_set rather than needs_output_symtab_entry.
1312         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
1313         rather than needs_output_symtab_entry.  Call
1314         has_output_dynsym_entry rather than needs_output_dynsym_entry.
1315         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
1316         is_output_symtab_index_set rather than needs_output_symtab_entry.
1317         * testsuite/discard_locals_relocatable_test.c: New file.
1318         * testsuite/discard_locals_test.sh: Test -r.
1319         * testsuite/Makefile.am (check_DATA): Add
1320         discard_locals_relocatable_test1.syms,
1321         discard_local_relocatable_test2.syms.
1322         (MOSTLYCLEANFILES): Likewise.  Also add
1323         discard_locals_relocatable_test1.lout and
1324         discard_locals_relocatable_test2.out.
1325         (discard_locals_relocatable_test1.syms): New target.
1326         (discard_locals_relocatable_test.o): New target.
1327         (discard_locals_relocatable_test1.out): New target.
1328         (discard_locals_relocatable_test2.syms): New target.
1329         (discard_locals_relocatable_test2.out): New target.
1330         (various): Add missing ../ld-new dependencies.
1331         * testsuite/Makefile.in: Rebuild.
1332
1333 2010-03-03  Nick Clifton  <nickc@redhat.com>
1334
1335         * po/fi.po: New Finnish translation.
1336
1337 2010-03-01  Doug Kwan  <dougkwan@google.com>
1338
1339         * layout.cc (Layout::Layout): Force section types of .init_array*,
1340         .preinit_array* and .fini_array* sections.
1341         * output.cc (Output_section::Input_section_sort_entry::has_priority):
1342         Fix check of return value of std::string::find.().
1343         (Output_section::Input_section_sort_compare::operator()): Remove
1344         comment about .init_array.
1345         (Output_section::Input_section_sort_init_fini_compare::operator()):
1346         New method.
1347         (Output_section::sort_attached_input_sections): Handle .init_array
1348         and .fini_array specially.
1349         * output.h (Output_section::Inut_section_sort_compare): Update
1350         comment.
1351         (Output_section::Input_section_sort_init_fini_compare): New struct.
1352
1353 2010-02-26  Doug Kwan  <dougkwan@google.com>
1354
1355         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
1356         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
1357         * testsuite/debug_msg.sh: Avoid matching source line number for
1358         use of global variable undef_int.
1359
1360 2010-02-26  Doug Kwan  <dougkwan@google.com>
1361
1362         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
1363         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
1364         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
1365         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
1366         * options.cc (General_options::General_options): Initialize member
1367         fix_v4bx_.
1368         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
1369         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
1370         and rm_no_fix_v4bx.stdout
1371         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
1372         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
1373         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
1374         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
1375         and arm_no_fix_v4bx.
1376         * Makefile.in: Regenerate.
1377         * testsuite/arm_fix_v4bx.s: New file.
1378         * testsuite/arm_fix_v4bx.sh: Ditto.
1379
1380 2010-02-24  Doug Kwan  <dougkwan@google.com>
1381
1382         * arm.cc (Target_arm::got_section): Make the .got section the first
1383         non RELRO section in the data segment.
1384         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
1385         suffixes of section names.
1386
1387 2010-02-24  Doug Kwan  <dougkwan@google.com>
1388
1389         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
1390         flags and attributes merging if an input file is a binary file.
1391         * fileread.cc (Input_file::open): Record format of original file.
1392         * fileread.h (Input_file::Format): New enum type.
1393         (Input_file::Input_file): Initialize data member format_.
1394         (Input_file::format): New method definition.
1395         (Input_file::format_):: New data member.
1396
1397 2010-02-24  Doug Kwan  <dougkwan@google.com>
1398
1399         * arm.cc (Arm_output_data_got): New class.
1400         (ARM_TCB_SIZE): New constant
1401         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
1402         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
1403         If user uses a script with a SECTIONS clause, issue only a warning
1404         for a misplaced EXIDX input section.  Otherwise, issue an error.
1405         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
1406         garbage collection.
1407         (Target_arm::got_mode_index_entry): Handle static linking.
1408         (Target_arm::Scan::local): Ditto.
1409         (Target_arm::Scan::global): Ditto.
1410         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
1411         all incorrectly implemented relocations.
1412         (Target_arm::fix_exidx_coverage): Pass layout to
1413         Arm_output_section::fix_exidx_coverage.
1414         * layout.cc (Layout::section_name_mapping): Remove trailing dots
1415         from ".ARM.exidx." and ".ARM.extab.".
1416
1417 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1418
1419         * arm.cc (Target_arm::do_finalize_sections): Create attribute
1420         section if it does not already exist.
1421         * attributes.cc (Attributes_section_data::Attributes_section_data):
1422         Don't crash if size is zero.
1423
1424 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1425             Ian Lance Taylor  <iant@google.com>
1426
1427         * gold.cc (queue_middle_tasks): If no input files were opened,
1428         exit.
1429         * workqueue.h (Task_function::Task_function): Assert that there is
1430         a blocker.
1431
1432 2010-02-22  Doug Kwan  <dougkwan@google.com>
1433
1434         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
1435         * icf.cc (get_section_contents): Cast snprintf arguments to long long
1436         types to avoid warnings due to different uint64_t implementations
1437         on different hosts.
1438
1439 2010-02-21  Doug Kwan  <dougkwan@google.com>
1440
1441         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
1442         handling of the maximum backward branch offset.
1443         (Arm_relocate_functions::thumb_branch_common): Ditto.
1444         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
1445         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
1446         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
1447         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
1448         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
1449         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
1450         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
1451         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
1452         thumb_bl_out_of_range thumb_bl_out_of_range.o,
1453         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
1454         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
1455         thumb2_bl_out_of_range.o): New rules.
1456         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
1457         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
1458         thumb2_bl_out_of_range
1459         * testsuite/Makefile.in: Regenerate.
1460         * testsuite/arm_bl_in_range.s: New file.
1461         * testsuite/arm_bl_out_of_range.s: Ditto.
1462         * testsuite/arm_branch_in_range.sh: Ditto.
1463         * testsuite/arm_branch_range.t: Ditto.
1464         * testsuite/thumb2_branch_range.t: Ditto.
1465         * testsuite/thumb_bl_in_range.s: Ditto.
1466         * testsuite/thumb_bl_out_of_range.s: Ditto.
1467         * testsuite/thumb_branch_range.t: Ditto.
1468
1469 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
1470
1471         * gc.h (gc_process_relocs): Change vectors to point to the new list.
1472         Add reloc offset information.
1473         * icf.cc (get_section_contents): Change iterators to point to the new
1474         vectors. Add reloc offset information to the contents.
1475         * icf.h (Icf::Sections_reachable_info): New typedef.
1476         (Icf::Sections_reachable_list): New typedef.
1477         (Icf::Offset_info): New typedef.
1478         (Icf::Reloc_info): New struct typedef.
1479         (Icf::Reloc_info_list): New typedef.
1480         (Icf::symbol_reloc_list): Delete method.
1481         (Icf::addend_reloc_list): Delete method.
1482         (Icf::section_reloc_list): Delete method.
1483         (Icf::reloc_info_list): New method.
1484         (Icf::reloc_info_list_): New member.
1485
1486 2010-02-19  Doug Kwan  <dougkwan@google.com>
1487
1488         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1489         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1490         * arm.cc (Arm_relocation_functions): New forward declaration.
1491         (Target_arm::Target_arm): Initialize new data members
1492         got_mod_index_offset_ and tls_base_symbol_defined_.
1493         (Target_arm::Relocate::relocate_tls): New method.
1494         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1495          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1496         New methods.
1497         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1498         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1499         (Target_arm::got_mod_index_offset_,
1500         Target_arm::tls_base_symbol_defined_): New data members.
1501         (Target_arm::Scan::local, Target::Scan::global,
1502         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1503         relocations.
1504
1505 2010-02-18  Doug Kwan  <dougkwan@google.com>
1506
1507         * arm.cc (Arm_relobj::find_linked_text_section): New method.
1508         (Arm_relobj::make_exidx_input_section): Pass section index of linked
1509         text section as a parameter becuase some broken tools may not set
1510         the link in section header.
1511         (Target_arm::has_got_section): New method.
1512         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
1513         without any mapping symbol as data only.  Remove warning.
1514         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
1515         link in its section header, try to discover the link by inspecting the
1516         REL31 relocation at the beginning of the section.
1517         (Target_arm::Scan::check_non_pic): Report name of offending relocation
1518         in error message.
1519         (Target_arm::Scan::global): Treat any reference to the symbol
1520         _GLOBAL_OFFSET_TABLE_ as a GOT access.
1521
1522 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
1523
1524         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
1525         (Scan::global_reloc_may_be_function_pointer): New function.
1526         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1527         (Scan::global_reloc_may_be_function_pointer): New function.
1528         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1529         (Scan::global_reloc_may_be_function_pointer): New function.
1530         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
1531         (Scan::global_reloc_may_be_function_pointer): New function.
1532         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
1533         (Scan::global_reloc_may_be_function_pointer): New function.
1534         (Scan::possible_function_pointer_reloc): New function.
1535         (Target_x86_64::can_check_for_function_pointers): New function.
1536         * gc.h (gc_process_relocs): Scan relocation types to determine if
1537         function pointers were taken for targets that support it.
1538         * icf.cc (Icf::find_identical_sections): Include functions for
1539         folding in safe ICF whose pointer is not taken.
1540         * icf.h (Secn_fptr_taken_set): New typedef.
1541         (fptr_section_id_): New member.
1542         (section_has_function_pointers): New function.
1543         (set_section_has_function_pointers): New function.
1544         (check_section_for_function_pointers): New function.
1545         * options.h: Fix comment for safe ICF option.
1546         * target.h (can_check_for_function_pointers): New function.
1547         * testsuite/Makefile.am: Add icf_safe_so_test test case.
1548         Modify icf_safe_test for X86-64.
1549         * testsuite/Makefile.in: Regenerate.
1550         * testsuite/icf_safe_so_test.cc: New file.
1551         * testsuite/icf_safe_so_test.sh: New file.
1552         * testsuite/icf_safe_test.cc (kept_func_3): New function.
1553         (main): Change to take pointer to function kept_func_3.
1554         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
1555         folding is done correctly for X86-64.
1556
1557 2010-02-12  David S. Miller  <davem@davemloft.net>
1558
1559         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
1560         is_symbolless parameter.
1561         (Output_reloc<SHT_REL>::is_symbolless): New.
1562         (Output_reloc<SHT_REL>::is_symbolless_): New.
1563         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
1564         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
1565         (Output_reloc<SHT_RELA>::is_symbolless): New.
1566         (Output_data_reloc::add_global): Handle is_symbolless.
1567         (Output_data_reloc::add_global_relative): Likewise.
1568         (Output_data_reloc::add_local): Likewise.
1569         (Output_data_reloc::add_local_relative): Likewise.
1570         (Output_data_reloc::add_symbolless_global_addend): New.
1571         (Output_data_reloc::add_symbolless_local_addend): New.
1572         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1573         is_symbolless.
1574         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1575         instead of ->is_relative_
1576         (Output_reloc::write): Likewise.
1577         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1578         (Output_reloc::write_rel): Simplify.
1579
1580         * sparc.cc (Target_sparc::Scan::local): Use
1581         ->add_symbolless_local_addend as needed.
1582         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1583         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
1584         based upon relocation offset.
1585
1586 2010-02-11  Doug Kwan  <dougkwan@google.com>
1587
1588         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1589         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
1590         beginning of function.
1591         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1592         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
1593         parameter is_32bit in calls to should_apply_static_reloc.
1594         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1595         (check_DATA): Add arm_abs_global.stdout.
1596         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1597         arm_abs_global.stdout): New rules.
1598         (MOSTLLYCLEANFILES): Add arm_abs_global
1599         * Makefile.in: Regenerate.
1600         * testsuite/arm_abs_global.s: New file.
1601         * testsuite/arm_abs_global.sh: Ditto.
1602         * testsuite/arm_abs_lib.s: Ditto.
1603
1604 2010-02-11  Ian Lance Taylor  <iant@google.com>
1605
1606         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1607         Read_relocs task.
1608         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
1609         Allocate_commons_task first.
1610         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1611         task, rather than symtab_lock_.
1612         (Gc_process_relocs::~Gc_process_relocs): New function.
1613         (Gc_process_relocs::is_runnable): Check this_blocker_.
1614         (Gc_process_relocs::locks): Use next_blocker_ rather than
1615         blocker_.
1616         (Scan_relocs::~Scan_relocs): New function.
1617         (Scan_relocs::is_runnable): Check this_blocker_ rather than
1618         symtab_lock_.
1619         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
1620         next_blocker_.
1621         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1622         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
1623         constructor accordingly.
1624         (class Gc_process_relocs): Likewise.
1625         (class Scan_relocs): Likewise.
1626         * common.h (class Allocate_commons_task): Remove symtab_lock_
1627         field, and corresponding constructor parameter.
1628         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1629         symtab_lock_.
1630         (Allocate_commons_task::locks): Likewise.
1631
1632 2010-02-11  Ian Lance Taylor  <iant@google.com>
1633
1634         * gold-threads.h (class Once): Define.
1635         (class Initialize_lock): Rewrite as child of Once.
1636         * gold-threads.cc (class Once_initialize): Define.
1637         (once_pointer_control): New static variable.
1638         (once_pointer, once_arg): New static variables.
1639         (c_run_once): New static function.
1640         (Once::Once, Once::run_once, Once::internal_run): New functions.
1641         (class Initialize_lock_once): Remove.
1642         (initialize_lock_control): Remove.
1643         (initialize_lock_pointer): Remove.
1644         (initialize_lock_once): Remove.
1645         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1646         (Initialize_lock::initialize): Rewrite.
1647         (Initialize_lock::do_run_once): New function.
1648         * archive.cc (Archive::interpret_header): Only clear name if it is
1649         not already empty.
1650         * fileread.cc: Include "gold-threads.h"
1651         (file_counts_lock): New static variable.
1652         (file_counts_initialize_lock): Likewise.
1653         (File_read::release): Only increment counts when using --stats.
1654         Use a lock around the increment.
1655         * parameters.cc (class Set_parameters_target_once): Define.
1656         (set_parameters_target_once): New static variable.
1657         (Parameters::Parameters): Move here from parameters.h.
1658         (Parameters::set_target): Rewrite.
1659         (Parameters::set_target_once): New function.
1660         (Parameters::clear_target): Move here and rewrite.
1661         * parameters.h (class Parameters): Update declarations.  Add
1662         set_parameters_target_once_ field.
1663         (Parameters::Parameters): Move to parameters.cc.
1664         (Parameters::clear_target): Likewise.
1665         * readsyms.cc (Read_symbols::do_group): Create a Start_group
1666         task.
1667         (Start_group::~Start_group): New function.
1668         (Start_group::is_runnable): New function.
1669         (Start_group::locks, Start_group::run): New functions.
1670         (Finish_group::run): Change saw_undefined to size_t.
1671         * readsyms.h (class Start_group): Define.
1672         (class Finish_group): Change saw_undefined_ field to size_t.
1673         (Finish_group::Finish_group): Remove saw_undefined and
1674         this_blocker parameters.  Change all callers.
1675         (Finish_group::set_saw_undefined): New function.
1676         (Finish_group::set_blocker): New function.
1677         * symtab.h (class Symbol_table): Change saw_undefined to return
1678         size_t.  Change saw_undefined_ field to size_t.
1679         * target-select.cc (Set_target_once::do_run_once): New function.
1680         (Target_selector::Target_selector): Initialize set_target_once_
1681         field.  Don't initialize lock_ and initialize_lock_ fields.
1682         (Target_selector::instantiate_target): Rewrite.
1683         (Target_selector::set_target): New function.
1684         * target-select.h (class Set_target_once): Define.
1685         (class Target_selector): Update declarations.  Make
1686         Set_target_once a friend.  Remove lock_ and initialize_lock_
1687         fields.  Add set_target_once_ field.
1688
1689 2010-02-10  Ian Lance Taylor  <iant@google.com>
1690
1691         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1692         queueing any tasks.
1693         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
1694         (queue_middle_tasks): Add all blockers before queueing any tasks.
1695         (queue_final_tasks): Likewise.
1696         * token.h (Task_token::add_blockers): New function.
1697         * object.h (Input_objects::number_of_relobjs): New function.
1698
1699 2010-02-10  Ian Lance Taylor  <iant@google.com>
1700
1701         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1702         shared, not if not position independent.
1703         * x86_64.cc (Relocate::relocate_tls): Likewise.
1704         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1705         (tls_pie_pic_test): New target.
1706         * testsuite/Makefile.in: Rebuild.
1707
1708         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1709         (tls_test_main_pie.o, tls_test_pie.o): New targets.
1710         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1711         * testsuite/Makefile.in: Rebuild.
1712
1713 2010-02-09  David S. Miller  <davem@davemloft.net>
1714
1715         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1716         R_SPARC_RELATIVE using ->add_local_relative().
1717         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1718
1719         * output.h (Output_data_dynamic::add_section_size): New method
1720         that takes two Output_data objects.
1721         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1722         entry param.  Handle it in initializers.
1723         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1724         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1725         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1726         arg.
1727         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1728         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1729         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1730         for dynrel_includes_plt.
1731         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1732         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1733         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1734         before .rela.plt
1735         (Target_sparc::do_finalize_sections): Update to pass true for
1736         dynrel_includes_plt.
1737         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1738         output before .rela.plt
1739         (Target_powerpc::do_finalize_sections): Update to pass true for
1740         dynrel_includes_plt when 32-bit.
1741
1742 2010-02-08  Doug Kwan  <dougkwan@google.com>
1743
1744         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1745         method.
1746         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1747         Arm_relobj::scan_section_for_cortex_a8_stubs,
1748         Arm_relobj::do_relocation_section): Instead of calling
1749         Output_section::output_address, use faster
1750         Arm_relobj::simple_input_section_output_address.
1751
1752 2010-02-08  David S. Miller  <davem@davemloft.net>
1753
1754         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1755         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1756         relocation helper function.
1757
1758         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1759         just like R_SPARC_GOT{10,13,22}.
1760         (Target_sparc::Scan::local): Likewise.
1761         (Target_sparc::Relocate:relocate): Likewise.
1762
1763 2010-02-06  Ian Lance Taylor  <iant@google.com>
1764
1765         * configure.ac: Rewrite targetobjs duplicate removal code to use
1766         only shell constructs.
1767         * configure: Rebuild.
1768
1769 2010-02-05  Doug Kwan  <dougkwan@google.com>
1770
1771         PR 11247
1772         * arm.cc (Arm_relobj::section_is_scannable): New method.
1773         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1774         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1775
1776 2010-02-04  Doug Kwan  <dougkwan@google.com>
1777
1778         PR 11247
1779         * arm-reloc-property.cc (cstdio): Include.
1780         * configure.ac (targetobjs): Remove duplicates.
1781         * configure: Regenerate.
1782         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1783         big and little endian version for a given address size.
1784
1785 2010-02-03  Doug Kwan  <dougkwan@google.com>
1786
1787         * arm-reloc-property.cc
1788         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1789         definition.
1790         * arm-reloc-property.h
1791         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1792         New method definition.
1793         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1794         declaration.
1795         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1796         overflow to N.
1797         (GOT_PREL): Change implemented to Y.
1798         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1799         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1800         (Arm_relocate_functions::movw_abs_nc): Remove method.
1801         (Arm_relocate_functions::movt_abs): Ditto.
1802         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1803         (Arm_relocate_functions::thm_movt_abs): Ditto.
1804         (Arm_relocate_functions::movw_rel_nc): Ditto.
1805         (Arm_relocate_functions::movw_rel): Ditto.
1806         (Arm_relocate_functions::movt_rel): Ditto.
1807         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1808         (Arm_relocate_functions:thm_movw_rel): Ditto.
1809         (Arm_relocate_functions:thm_movt_rel): Ditto.
1810         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1811         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1812         New method definitions.
1813         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1814         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1815         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1816         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1817         (Target_arm::Relocate::relocate): Check for non-static or
1818         unimplemented relocation code and exit early.  Change calls to
1819         Target_arm::reloc_uses_thumb_bit and
1820         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1821         instead.  Refactor code to handle similar relocations to increase
1822         code sharing.  Remove check for unsupported relocation code in switch
1823         statement.
1824         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1825         relocation property table to find out size.  Change error message to
1826         print out the name of a relocation code instead of the numeric value.
1827         (Target_arm::scan_reloc_for_stub): Use relocation property table
1828         instead of calling Target_arm::reloc_uses_thumb_bit().
1829
1830 2010-02-02  Doug Kwan  <dougkwan@google.com>
1831
1832         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1833         types of relaxed input section.
1834
1835 2010-02-02  Doug Kwan  <dougkwan@google.com>
1836
1837         * Makefile.am (HFILES): Add arm-reloc-property.h.
1838         (DEFFILES): New.
1839         (TARGETSOURCES): Add arm-reloc-property.cc
1840         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1841         (libgold_a_SOURCES): $(DEFFILES)
1842         * Makefile.in: Regenerate.
1843         * arm-reloc-property.cc: New file.
1844         * arm-reloc-property.h: New file.
1845         * arm-reloc.def: New file.
1846         * arm.cc: Update comments.
1847         (arm-reloc-property.h): New included header.
1848         (arm_reloc_property_table): New global variable.
1849         (Target_arm::do_select_as_default_target): New method definition.
1850         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1851         arm-reloc-property to targ_extra_obj.
1852         * parameters.cc (set_parameters_target): Call
1853         Target::select_as_default_target().
1854         * target.h (Target::select_as_default_target): New method definition.
1855         (Target::do_select_as_default_target): Same.
1856
1857 2010-02-01  Doug Kwan  <dougkwan@google.com>
1858
1859         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1860         first_output_text_section_.
1861         (Arm_exidx_fixup::first_output_text_section): New method definition.
1862         (Arm_exidx_fixup::first_output_text_section_): New data member.
1863         (Arm_exidx_fixup::process_exidx_section): Record the first text
1864         output section seen.
1865         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1866         and entsize in output section header.
1867
1868 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1869
1870         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1871         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1872         (Arm_relocate_functions::thm_alu11): New Method.
1873         (Arm_relocate_functions::thm_pc8): New Method.
1874         (Arm_relocate_functions::thm_pc12): New Method.
1875         (Target_arm::Scan::local): Handle the relocations.
1876         (Target_arm::Scan::global): Likewise.
1877         (Target_arm::Relocate::relocate): Likewise.
1878         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1879
1880 2010-01-29  Doug Kwan  <dougkwan@google.com>
1881
1882         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1883         of relocation types as ld.
1884
1885 2010-01-29  Doug Kwan  <dougkwan@google.com>
1886
1887         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1888         to public.
1889         (Arm_relocate_functions::thumb_branch_common): Ditto.
1890         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1891         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1892         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1893         Arm_relocate_functions::jump24): Remove.
1894         (Target_arm::Relocate::relocate): Adjust code to call
1895         Arm_relocation_functions::arm_branch_common and
1896         Arm_relocation_functions::thumb_branch_common instead of their removed
1897         wrappers.  Merge switch-cases together to reduce source code size.
1898
1899 2010-01-29  Doug Kwan  <dougkwan@google.com>
1900
1901         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1902         output_local_symbol_count_needs_update_.
1903         (Arm_relobj::output_local_symbol_count_needs_update,
1904          Arm_relobj::set_output_local_symbol_count_needs_update,
1905          Arm_relobj::update_output_local_symbol_count): New methods.
1906         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1907         member.
1908         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1909         of pointed function as in a R_ARM_PREL31 relocation.
1910         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1911         for output local symbol count updating.
1912         (Target_arm::do_relax): Update output local symbol counts in objects
1913         if necessary.
1914         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1915
1916 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1917
1918         * arm.cc: Added support for the ARM relocations:
1919         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1920         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1921         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1922         movw_prel_nc).
1923         (Arm_relocate_functions::movw_rel): New method.
1924         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1925         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1926         thm_movw_prel_nc).
1927         (Arm_relocate_functions::thm_movw_rel): New method.
1928         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1929         thm_movt_prel).
1930         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1931         relocations.
1932         (Target_arm::Scan::global): Likewise.
1933         (Target_arm::Relocate::relocate): Likewise.
1934         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1935         Likewise.
1936
1937 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1938
1939         * arm.cc: Added support for ARM group relocations.
1940         (Target_arm::reloc_needs_sym_origin): New method.
1941         (Arm_relocate_functions::calc_grp_kn): New method.
1942         (Arm_relocate_functions::calc_grp_residual): New method.
1943         (Arm_relocate_functions::calc_grp_gn): New method.
1944         (Arm_relocate_functions::arm_grp_alu): New Method.
1945         (Arm_relocate_functions::arm_grp_ldr): New Method.
1946         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1947         (Arm_relocate_functions::arm_grp_ldc): New Method.
1948         (Target_arm::Scan::local): Handle the ARM group relocations.
1949         (Target_arm::Scan::global): Likewise.
1950         (Target_arm::Relocate::relocate): Likewise.
1951         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1952         Likewise.
1953
1954 2010-01-26  Doug Kwan  <dougkwan@google.com>
1955
1956         * arm.cc (set): Include.
1957         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1958         pointer type.
1959         (Arm_output_section::Text_section_list): New type.
1960         (Arm_output_section::append_text_sections_to_list): New method.
1961         (Arm_output_section::fix_exidx_coverage): Ditto.
1962         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1963         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1964         Relobj::set_section_offset() instead of
1965         Sized_relobj::invalidate_section_offset().
1966         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1967         parameter for section headers. Ignore relocation sections for
1968         unallocated sections and EXIDX sections.
1969         (Target_arm::fix_exidx_coverage): New method.
1970         (Target_arm::output_section_address_less_than): New type.
1971         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1972         linked text section instead of the EXIDX section.
1973         (Arm_output_section::create_stub_group): Add an assertion to check
1974         that this is not an EXIDX output section.
1975         (Arm_output_section::append_text_sections_to_list): New method.
1976         (Arm_output_section::fix_exidx_coverage): Ditto.
1977         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1978         Arm_relobj::section_needs_reloc_stub_scanning.
1979         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1980         first pass.
1981         (Target_arm::fix_exidx_coverage): New method.
1982         * object.h (Relobj::set_output_section): New method.
1983         (Sized_relobj::invalidate_section_offset): Remove method.
1984         (Sized_relobj::do_invalidate_section_offset): Remove method.
1985         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1986
1987 2010-01-25  Doug Kwan  <dougkwan@google.com>
1988
1989         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1990         Fix warning due to signed and unsigned comparison on a 32-bit host.
1991
1992 2010-01-22  Doug Kwan  <dougkwan@google.com>
1993
1994         * arm.cc (Target_arm::do_relax): Record an output section for section
1995         offset adjustment it contains any stub table that has changed.
1996         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1997         offsets in an output section if necessary.
1998         * output.cc (Output_section::Output_section): Initialize
1999         section_offsets_need_adjustments_.
2000         (Output_section::add_input_section_for_script): Renamed to
2001         Output_section::add_simple_input_section.
2002         (Output_section::save_states): Add a comment.
2003         (Output_section::discard_states): New method defintion.
2004         (Output_section::adjust_section_offsets): Same.
2005         * output.h (Output_section::add_input_section_for_script): Renamed to
2006         Output_section::add_simple_input_section.
2007         (Output_section::discard_states): New method declaration.
2008         (Output_section::adjust_section_offsets): Same.
2009         (Output_section::section_offsets_need_adjustment,
2010         Output_section::set_section_offsets_need_adjustment): New method
2011         definitions.
2012         (Output_section::section_offsets_need_adjustment_): New data member.
2013         * script-sections.cc
2014         (Output_section_element_input::set_section_address): Adjust code for
2015         renaming of Output_section::add_input_section_for_script.
2016         (Orphan_output_section::set_section_address): Same.
2017
2018 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2019
2020         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
2021         Fix_v4bx enum values .
2022         * gold/options.h (General_options): New option definitions.
2023         (General_options::fix_v4bx): New method.
2024         (General_options::Fix_v4bx): New enum.
2025         * gold/options.cc (General_options::parse_fix_v4bx): New method.
2026         (General_options::parse_fix_v4bx_interworking): New method.
2027
2028 2010-01-22  Doug Kwan  <dougkwan@google.com>
2029
2030         * arm.cc (Arm_exidx_fixup): New class.
2031
2032 2010-01-21  Doug Kwan  <dougkwan@google.com>
2033
2034         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
2035         classes.
2036         (Arm_exidx_section_offset_map): New type.
2037
2038 2010-01-21  Doug Kwan  <dougkwan@google.com>
2039
2040         * arm.cc (Arm_exidx_input_section): New class.
2041         (Arm_relobj::exidx_input_section_by_link,
2042         Arm_relobj::exidx_input_section_by_shndx,
2043         Arm_relobj::make_exidx_input_section): New methods.
2044         (read_arm_attributes_section): Remove.
2045         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
2046         information about them.
2047         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
2048         to here.
2049
2050 2010-01-20  Doug Kwan  <dougkwan@google.com>
2051
2052         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
2053         Input_section_specifier to Section_id.
2054         (Target_arm::new_arm_input_section: Adjust code for change of key
2055         type.
2056         (Target_arm::find_arm_input_section): Ditto.
2057         * gc.h (object.h): Include for Section_id nand Section_id_hash.
2058         (Section_id): Remove.
2059         (Garbage_collection::Section_id_hash): Remove.
2060         * icf.h (object.h): Include for Section_id nand Section_id_hash.
2061         (Section_id): Remove.
2062         (Icf::Section_id_hash): Remove.
2063         * object.h (Section_id, Const_section_id, Section_id_hash,
2064         Const_section_id_hash): New type definitions.
2065         * output.cc (Output_section::add_relaxed_input_section): Change to
2066         use Const_section_id instead of Input_section_specifier as key type.
2067         (Output_section::add_merge_input_section): Ditto.
2068         (Output_section::build_relaxation_map): Change to use Section_id
2069         instead of Input_section_specifier as key type.
2070         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2071         Ditto.
2072         (Output_section::convert_input_sections_to_relaxed_sections): Change
2073         to use Const_section_id instead of Input_section_specifier as key type.
2074         (Output_section::find_merge_section): Ditto.
2075         (Output_section::find_relaxed_input_section): Ditto.
2076         * output.h (Input_section_specifier): Remove class.
2077         (Output_section::Output_section_data_by_input_section_map): Change
2078         key type to Const_section_id.
2079         (Output_section::Output_relaxed_input_section_by_input_section_map):
2080         Ditto.
2081         (Output_section::Relaxation_map): Change key type to Section_id.
2082
2083 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2084
2085         * gold/arm.cc: Added support for R_ARM_V4BX relocation
2086         (class Arm_v4bx_stub): New class.
2087         (DEF_STUBS): Updated definition to support v4_veneer_bx.
2088         (Stub_factory::make_arm_v4bx_stub): New method.
2089         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
2090         (Stub_table::empty): Handle v4bx stubs.
2091         (Stub_table::add_arm_v4bx_stub): New method.
2092         (Stub_table::find_arm_v4bx_stub): New method.
2093         (Arm_relocate_functions::v4bx): New method.
2094         (Target_arm::fix_v4bx): New method.
2095         (Target_arm::Target_arm): Handle R_ARM_V4BX.
2096         (Stub_table::relocate_stubs): Likewise.
2097         (Stub_table::do_write): Likewise.
2098         (Stub_table::update_data_size_and_addralign): Likewise.
2099         (Stub_table::finalize_stubs):  Likewise.
2100         (Target_arm::Scan::local): Likewise.
2101         (Target_arm::Scan::global): Likewise.
2102         (Target_arm::do_finalize_sections): Likewise.
2103         (Target_arm::Relocate::relocate): Likewise.
2104         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2105         Likewise.
2106         (Target_arm::scan_reloc_for_stub): Likewise.
2107         (Target_arm::scan_reloc_section_for_stubs): Likewise.
2108
2109 2010-01-19  Ian Lance Taylor  <iant@google.com>
2110
2111         * output.cc (Output_section_headers::do_sized_write): Write large
2112         segment count to sh_info field.
2113         (Output_file_header::do_sized_write): For large segment count,
2114         write PN_XNUM to e_phnum field.
2115
2116 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2117
2118         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
2119         (Arm_relocate_functions::thm_jump8): New function.
2120         (Arm_relocate_functions::thm_jump11): New function.
2121         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
2122         R_ARM_THM_JUMP11.
2123         (Target_arm::Scan::global): Likewise.
2124         (Target_arm::Relocate::relocate): Likewise.
2125         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2126         Likewise.
2127
2128 2010-01-14  Doug Kwan  <dougkwan@google.com>
2129
2130         * arm.cc (map, utility): Include headers.
2131         (Target_arm::apply_cortex_a8_workaround): New method.
2132         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
2133         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
2134         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
2135         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
2136         the --[no-]fix-cortex-a8 command line options.
2137         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
2138         (Target_arm::relocate_stub): Use addend in instruction template.
2139         * options.h (DEFINE_bool): Set the user-set flag.
2140         (General_options): Add --[no-]-fix-cortex options.
2141         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
2142         : Update fast look-up map after conversion.
2143
2144 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
2145
2146         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
2147         in the first pass of do_layout.
2148
2149 2010-01-13  Doug Kwan  <dougkwan@google.com>
2150
2151         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2152         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
2153         apparent compiler problem of not folding static constant integral
2154         data members of elfcpp::Elf_sizes<32>.
2155
2156 2010-01-13  Doug Kwan  <dougkwan@google.com>
2157
2158         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2159         Arm_relobj::section_needs_cortex_a8_stub_scanning,
2160         Arm_relobj::scan_section_for_cortex_a8_erratum,
2161         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
2162         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
2163         sections to scan for relocation stubs into a new method
2164         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
2165         relocation and Cortex-A8 stub scanning.
2166         (Target_arm::do_relax): Force stubs to be after stubbed sections
2167         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
2168         the beginning of a new relaxation pass.  Update a comment.
2169         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
2170
2171 2010-01-12  Ian Lance Taylor  <iant@google.com>
2172
2173         * target-reloc.h (visibility_error): New inline function.
2174         (relocate_section): Call visibility_error.
2175         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
2176         (MOSTLYCLEANFILES): Likewise.
2177         (protected_4_pic.o, protected_3.err): New targets.
2178         * testsuite/protected_4.cc: New file.
2179
2180 2010-01-12  Doug Kwan  <dougkwan@google.com>
2181
2182         * arm.cc (Cortex_a8_reloc): New class.
2183         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
2184         and cortex_a8_relocs_info_.
2185         (Target_arm::fix_cortex_a8): New method definition.
2186         (Target_arm::Cortex_a8_relocs_info): New type.
2187         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
2188         New data member declarations.
2189         (Target_arm::scan_reloc_for_stub): Record information about
2190         relocations for THUMB branches that might be exempted from the
2191         Cortex-A8 workaround.
2192         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
2193         at the beginning of a relaxation pass.
2194
2195 2010-01-12  Doug Kwan  <dougkwan@google.com>
2196
2197         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
2198         (Arm_relobj::Mapping_symbol_position,
2199          Arm_reloj::Mapping_symbol_position_less,
2200          Arm_relobj::Mapping_symbols_info): New types.
2201         (Target_arm::is_mapping_symbol_name): New method definition.
2202         (Arm_relobj::do_count_local_symbols): Save information about mapping
2203         symbols.
2204
2205 2010-01-11  Doug Kwan  <dougkwan@google.com>
2206
2207         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
2208         Arm_relocate_functions::thumb32_branch_upper,
2209         Arm_relocate_functions::thumb32_branch_lower,
2210         Arm_relocate_functions::thumb32_cond_branch_offset,
2211         Arm_relocate_functions::thumb32_cond_branch_upper,
2212         Arm_relocate_functions::thumb32_cond_branch_lower,
2213         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
2214         branch offset encoding.
2215         (Arm_relocate_functions::thumb_branch_common): Use new branch
2216         offset encoding methods to avoid code duplication.
2217         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
2218         (Stub_addend_reader::operator()): Use new branch encoding method
2219         to avoid code duplication.
2220
2221 2010-01-11  Doug Kwan  <dougkwan@google.com>
2222
2223         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
2224         (Target_arm::do_finalize_sections): Define special EXIDX section
2225         symbols only if referenced.
2226         * gc.h (Garbage_collection::add_reference): New method.
2227         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
2228         code duplication.
2229
2230 2010-01-11  Ian Lance Taylor  <iant@google.com>
2231
2232         * script.cc (Version_script_info::build_expression_list_lookup):
2233         Change complaing about duplicate wildcard match from error to
2234         warning.
2235
2236         * script.cc (class Lazy_demangler): Recreate--revert part of patch
2237         of 2009-12-30.
2238         (Version_script_info::Version_script_info): Initialize globs_,
2239         default_version_, default_is_global_, and exact_.  Don't
2240         initialize globals_ or locals_.
2241         (Version_script_info::build_lookup_tables): Build local symbols
2242         first.
2243         (Version_script_info::unquote): New function.
2244         (Version_script_info::add_exact_match): New function.
2245         (Version_script_info::build_expression_list_lookup): Remove lookup
2246         parameter.  Add is_global parameter.  Change all callers.  Handle
2247         wildcard pattern specially.  Unquote pattern.  Call
2248         add_exact_match.
2249         (Version_script_info::get_name_to_match): New function.
2250         (Version_script_info::get_symbol_version): New function.
2251         (Version_script_info::get_symbol_version_helper): Remove.
2252         (Version_script_info::check_unmatched_names): Call unquote.
2253         * script.h (class Version_script_info): Change get_symbol_version
2254         to be non-inline and add is_global parameter; change all callers.
2255         Rewrite symbol_is_local.  Update declarations.  Define struct
2256         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
2257         Remove globals_ and locals_ members.  Add exact_, globs_,
2258         default_version_, is_global_.
2259         (Version_script_info::Glob): Remove pattern, add expression and
2260         is_global.  Update constructor.  Change all callers.
2261         * dynobj.cc (Versions::finalize): Mark the version symbol as the
2262         default version.
2263         (Versions::symbol_section_contents): If a symbol is undefined, or
2264         defined in a dynamic object, set the version index to
2265         VER_NDX_LOCAL.
2266         * symtab.cc (Symbol_table::add_from_relobj): Don't call
2267         symbol_is_local.
2268         (Symbol_table::add_from_pluginobj): Likewise.
2269         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
2270
2271 2010-01-11  Doug Kwan  <dougkwan@google.com>
2272
2273         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
2274         (incremental_dump_LDADD): Add linking option for libintl.
2275         * Makefile.in: Regenerate.
2276
2277 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
2278
2279         PR gold/11144
2280         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
2281         instead of -Ds.
2282         * testsuite/Makefile.in: Regenerated.
2283
2284 2010-01-10  Doug Kwan  <dougkwan@google.com>
2285
2286         * options.h (DEFINE_var): Use parentheses around argument varname__
2287         in macro body to avoid any unintended subsequent substitutions.
2288
2289 2010-01-10  Ian Lance Taylor  <iant@google.com>
2290
2291         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
2292         candidates before doing symbol resolution.
2293
2294         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
2295         ODR candidates if only one is weak.
2296
2297 2010-01-08  Ian Lance Taylor  <iant@google.com>
2298
2299         * script.cc (Version_script_info::build_expression_list_lookup):
2300         Don't warn about ambiguous version, just record the ambiguity.
2301         (Version_script_info::get_symbol_version_helper): Give error if
2302         version is ambiguous.
2303
2304 2010-01-08  Doug Kwan  <dougkwan@google.com>
2305
2306         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
2307           prev_data_size_ and prev_addralign_.  Remove initializer for
2308           deleted data member has_been_changed_.
2309           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
2310           to determine if the table is empty.
2311           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
2312           Remove.
2313           (Stub_table::add_reloc_stub): Define method in class definition
2314           instead of just declaring it there.
2315           (Stub_table::add_cortex_a8_stub): New method definition.
2316           (Stub_table::update_data_size_and_addralign): Ditto.
2317           (Stub_table::finalize_stubs): Ditto.
2318           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
2319           (Stub_table::do_addralign_): Return address alignment in the
2320           (Stub_table::do_reset_address_and_file_offset): Define method in
2321           class definition instead of declaring it there.  Set current data
2322           size to be the data size of the previous pass.
2323           (Stub_table::set_final_data_size): Use current data size as the
2324           final data size.
2325           (Stub_table::relocate_stub): Change parameter type of stub from
2326           Reloc_stub pointer to Stub pointer.
2327           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
2328           (Stub_table::Cortex_a8_stub_list): New typedef.
2329           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
2330            Stub_table::prev_addralign_): New data member.
2331           (Arm_relobj::Arm_relobj): Initialize data member
2332           section_has_cortex_a8_workaround_.
2333           (Arm_relobj::section_has_cortex_a8_workaround,
2334            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
2335            definitions.
2336           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
2337           declarations.
2338           (Target_arm::relocate_stub): Change parameter type of stub from
2339           Reloc_stub pointer to Stub pointer.
2340           (Insn_template::size, Insn_template::alignment): Handle
2341           THUMB16_SPECIAL_TYPE.
2342           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
2343            Stub_table::update_data_size_and_addralign,
2344            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
2345           definitions.
2346           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
2347           (Stub_table::do_write): Ditto.
2348           (Target_arm::do_relax): Adjust code for changes in Stub_table.
2349
2350 2010-01-08  Ian Lance Taylor  <iant@google.com>
2351
2352         PR 11108
2353         * symtab.h (class Symbol): Remove fields is_target_special_ and
2354         has_plt_offset_.  Add field is_defined_in_discarded_section_.
2355         (Symbol::is_defined_in_discarded_section): New function.
2356         (Symbol::set_is_defined_in_discarded_section): New function.
2357         (Symbol::has_plt_offset): Rewrite.
2358         (Symbol::set_plt_offset): Verify that new offset is not -1U.
2359         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
2360         Don't initialize is_target_special_ or has_plt_offset_.
2361         Initialize is_defined_in_discarded_section_.
2362         (Symbol_table::add_from_relobj): If appropriate, set
2363         is_defined_in_discarded_section.
2364         * resolve.cc (Symbol::override_base_with_special): Don't test
2365         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
2366         * target-reloc.h (relocate_section): Do special handling for
2367         symbols defined in discarded sections for global symbols as well
2368         as local symbols.
2369
2370 2010-01-08  Ian Lance Taylor  <iant@google.com>
2371
2372         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
2373         the SHT_SYMTAB case.
2374
2375 2010-01-08  Ian Lance Taylor  <iant@google.com>
2376
2377         * object.cc (Sized_relobj::do_layout): Don't get confused if
2378         layout_eh_frame returns NULL.
2379
2380 2010-01-08  Ian Lance Taylor  <iant@google.com>
2381
2382         PR 11084
2383         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
2384         dynamic symbol table, use the normal symbol table.
2385         (Sized_dynobj::do_read_symbols): Remove assertion about type of
2386         symbol table.
2387
2388 2010-01-08  Ian Lance Taylor  <iant@google.com>
2389
2390         PR 11072
2391         * layout.cc (Layout::include_section): Remove .gnu_debuglink
2392         sections.
2393
2394 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
2395
2396         * version.cc (print_version): Change to "Copyright 2010".
2397
2398 2010-01-08  Ian Lance Taylor  <iant@google.com>
2399
2400         PR 10287
2401         PR 11063
2402         * i386.cc (class Target_i386): Change return type of plt_section
2403         to be non-const.
2404         (class Output_data_plt_i386): Add tls_desc_rel_ field.
2405         (Output_data_plt_i386::Output_data_plt_i386): Initialize
2406         tls_desc_rel_ field.
2407         (Output_data_plt_i386::rel_tls_desc): New function.
2408         (Target_i386::rel_tls_desc_section): New function.
2409         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
2410         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
2411         R_386_TLS_DESC reloc in rel_tls_desc_section.
2412         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
2413         Define struct Tlsdesc_info.
2414         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
2415         (Target_x86_64::do_reloc_symbol_index): New function.
2416         (Target_x86_64::add_tlsdesc_info): New function.
2417         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
2418         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
2419         tlsdesc_rel_ field.
2420         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
2421         all callers.
2422         (Output_data_plt_x86_64::rela_tlsdesc): New function.
2423         (Target_x86_64::rela_tlsdesc_section): New function.
2424         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
2425         handling.
2426         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
2427         (Target_x86_64::do_reloc_addend): New function.
2428         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
2429         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
2430         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
2431         (Output_reloc::type): New function.
2432         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
2433         (Output_reloc::is_target_specific): New function.
2434         (Output_reloc::target_arg): New function.
2435         (class Output_reloc) [SHT_RELA]: Add four new constructors for
2436         absolute relocs and target specific relocs.
2437         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
2438         add_target_specific.
2439         (class Output_data_reloc) [SHT_RELA]: Likewise.
2440         * output.cc (Output_reloc::Output_reloc): Add four new versions
2441         for absolute relocs and target specific relocs.
2442         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
2443         (Output_reloc::get_symbol_index): Likewise.
2444         (Output_reloc::local_section_offset): Check that local_sym_index_
2445         is not TARGET_CODE or 0.
2446         (Output_reloc::symbol_value): Likewise.
2447         (Output_reloc::write) [SHT_RELA]: Call target for target specific
2448         reloc.
2449         * target.h (class Target): Add reloc_symbol_index and reloc_addend
2450         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
2451         functions.
2452         * layout.cc (add_target_dynamic_tags): Use output section for
2453         DT_PLTRELSZ and DT_JMPREL.
2454
2455 2010-01-07  Ian Lance Taylor  <iant@google.com>
2456
2457         PR 11061
2458         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
2459         function.
2460         (class Output_data_reloc_generic): Define.
2461         (class Output_data_reloc_base): Change base class to
2462         Output_data_reloc_generic.  Change add() method to call
2463         bump_relative_reloc_count for a relative reloc.  Remove
2464         sort_relocs_ field.
2465         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
2466         to sort_relocs().
2467         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
2468         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
2469         appropriate.
2470         * layout.h (class Layout): Update declaration.
2471
2472 2010-01-07  Ian Lance Taylor  <iant@google.com>
2473
2474         * output.h (class Output_data): Add const version of
2475         output_section and do_output_section.
2476         (class Output_section_data): Add const version of
2477         do_output_section.
2478         (class Output_section): Likewise.
2479         * layout.cc (Layout::add_target_dynamic_tags): New function.
2480         * layout.h (class Layout): Update declarations.
2481         * arm.cc (Target_arm::do_finalize_sections): Use
2482         add_target_dynamic_tags.
2483         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2484         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2485         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2486         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2487
2488 2010-01-07  Ian Lance Taylor  <iant@google.com>
2489
2490         PR 11042
2491         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2492         object as needed.
2493
2494 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2495             Ian Lance Taylor  <iant@google.com>
2496
2497         PR 11019
2498         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2499         Xindex::read_symtab_xindex.
2500
2501 2010-01-07  Doug Kwan  <dougkwan@google.com>
2502
2503         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2504         (Insn_template::thumb16_bcond_insn): New method declaration.
2505         (Insn_template): Fix spelling.
2506         (Stub::thumb16_special): New method declaration.
2507         (Stub::do_write): Define virtual method which was previously pure
2508         virtual.
2509         (Stub::do_thumb16_special): New method declaration.
2510         (Stub::do_fixed_endian_write): New template member.
2511         (Reloc_stub::do_write): Remove.
2512         (Reloc_stub::do_fixed_endian_write): Remove.
2513         (Cortex_a8_stub): New class definition.
2514         (Stub_factory::make_cortex_a8_stub): New method definition.
2515         (Stub_factory::Stub_factory): Add missing static storage class
2516         qualifier for elf32_arm_stub_a8_veneer_blx.
2517
2518 2010-01-07  Ian Lance Taylor  <iant@google.com>
2519
2520         PR 10980
2521         * options.h (class General_options): Add --warn-unresolved-symbols
2522         and --error-unresolved-symbols.
2523         * errors.cc (Errors::undefined_symbol): Implement
2524         --warn-unresolved-symbols.
2525
2526         * options.h (class General_options): Add -z text and -z textoff.
2527         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
2528
2529 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
2530
2531         * gc.h (Garbage_collection::Cident_section_map): New typedef.
2532         (Garbage_collection::cident_sections): New function.
2533         (Garbage_collection::add_cident_section): New function.
2534         (Garbage_collection::cident_sections_): New member.
2535         (gc_process_relocs): Add references to sections whose names are C
2536         identifiers.
2537         * gold.h (cident_section_start_prefix): New constant.
2538         (cident_section_stop_prefix): New constant.
2539         (is_cident): New function.
2540         * layout.cc (Layout::define_section_symbols): Replace string constants
2541         with the newly defined constants.
2542         * object.cc (Sized_relobj::do_layout): Track sections whose names are
2543         C identifiers.
2544         * testsuite/Makefile.am: Add gc_orphan_section_test.
2545         * testsuite/Makefile.in: Regenerate.
2546         * testsuite/gc_orphan_section_test.cc: New file.
2547         * testsuite/gc_orphan_section_test.sh: New file.
2548
2549 2010-01-06  Ian Lance Taylor  <iant@google.com>
2550
2551         PR 10980
2552         * options.h (class General_options): Add --warn-shared-textrel.
2553         * layout.cc (Layout::finish_dynamic_section): Implement
2554         --warn-shared-textrel.
2555
2556         PR 10980
2557         * options.h (class General_options): Add --warn-multiple-gp.
2558
2559 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2560
2561         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
2562         $(THREADSLIB) and $(LIBDL).
2563         * Makefile.in: Rebuild.
2564
2565 2010-01-06  Ian Lance Taylor  <iant@google.com>
2566
2567         PR 10980
2568         * options.cc (General_options::parse_section_start): New function.
2569         (General_options::section_start): New function.
2570         (General_options::General_options): Initialize all members.
2571         * options.h: Include <map>
2572         (class General_options): Add --section-start.  Add section_starts_
2573         member.
2574         * layout.cc (Layout::attach_allocated_section_to_segment): If
2575         --section-start was used, set the address of the segment.  Remove
2576         local sort_sections.
2577         (Layout::relaxation_loop_body): If the address of the load segment
2578         has been set by --section-start, don't use it.
2579         * output.h (Output_segment::update_flags_for_output_section): New
2580         function.
2581         * output.cc (Output_segment::add_output_section): Call
2582         update_flags_for_output_section.
2583
2584 2010-01-05  Ian Lance Taylor  <iant@google.com>
2585
2586         PR 10980
2587         * options.h (class General_options): Add --undefined-version.
2588         * script.cc (struct Version_expression): Add was_matched_by_symbol
2589         field.
2590         (Version_script_info::matched_symbol): New function.
2591         (Version_script_info::get_symbol_version_helper): Call
2592         matched_symbol.
2593         (Version_script_info::check_unmatched_names): New function.
2594         * script.h (class Version_script_info): Update declarations.
2595         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2596
2597         * options.h (class General_options): Use DEFINE_bool_alias for
2598         allow_multiple_definition.
2599         * resolve.cc (Symbol_table::should_override): Don't test
2600         allow_multiple_definition.
2601
2602         PR 10980
2603         * options.h (class General_options): Add --cref.
2604         * main.cc (main): Print cref table if --cref.  Don't close mapfile
2605         until after printing cref table.
2606         * cref.cc: Include "symtab.h".
2607         (class Cref_inputs): Define Cref_table_compare and Cref_table.
2608         (Cref_table_compare::operator()): New function.
2609         (Cref_inputs::gather_cref): New function.
2610         (filecol): New static const.
2611         (Cref_inputs::print_cref): New function.
2612         (Cref::print_cref): New function.
2613         * cref.h: Include <cstdio>.
2614         (class Cref): Update declarations.
2615         * mapfile.h (Mapfile::file): New function.
2616         * object.h (class Object): Define Symbols.  Declare virtual
2617         do_get_global_symbols.
2618         (Object::get_global_symbols): New function.
2619         * object.cc (Input_objects::add_object): Pass object to cref_ if
2620         --cref.
2621         (Input_objects::archive_start): Likewise.
2622         (Input_objects::archive_stop): Likewise.
2623         (Input_objects::print_cref): New function.
2624         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2625         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2626         --cref.
2627         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2628         function.
2629         * plugin.h (class Sized_pluginobj): Update declarations.
2630
2631 2010-01-05  Ian Lance Taylor  <iant@google.com>
2632
2633         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2634         to is_default_version.  Rename insdef to insdefault.
2635         (Symbol_table::add_from_relobj): Rename def to is_default_version
2636         and local to is_forced_local.
2637         (Symbol_table::add_from_pluginobj): Likewise.
2638         (Symbol_table::add_from_dynobj): Likewise.
2639         (Symbol_table::define_special_symbol): Rename insdef to
2640         insdefault.
2641
2642 2010-01-04  Ian Lance Taylor  <iant@google.com>
2643
2644         PR 10980
2645         * options.h (class General_options): Add
2646         --allow-multiple-definition and -z muldefs.
2647         * resolve.cc (Symbol_table::should_override): Don't warn about a
2648         multiple symbol definition if --allow-multiple-definition or -z
2649         muldefs.
2650
2651         PR 10980
2652         * options.h (class General_options): Add --add-needed and
2653         --copy-dt-needed-entries.  Tweak --as-needed help entry.
2654         * object.cc (Input_objects::check_dynamic_dependencies): Give an
2655         error if --copy-dt-needed-entries aka --add-needed is used and
2656         would cause a change in behaviour.
2657
2658         PR 10980
2659         * options.h (class General_options): Add -G as a short version of
2660         --shared.  Add no-op options -assert, -g, and -i.
2661
2662 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2663
2664         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2665         check for .text or .gnu.linkonce.t sections.
2666         * icf.cc (Icf::find_identical_sections): Ditto.
2667         Change the detection for mangled function name within the section
2668         name.
2669         * icf.h (is_section_foldable_candidate): New function.
2670
2671 2009-12-30  Ian Lance Taylor  <iant@google.com>
2672
2673         PR 10980
2674         * options.h (class General_options): Permit two dashes with
2675         --retain-symbols-file.
2676
2677 2009-12-30  Ian Lance Taylor  <iant@google.com>
2678
2679         PR 10979
2680         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2681         don't put the file header and segment headers in the text
2682         segment.
2683
2684         PR 10979
2685         * common.cc (Sort_commons::operator()): Stabilize sort when both
2686         entries are NULL.
2687         (Symbol_table::do_allocate_commons_list): When allocating common
2688         symbols, skip a symbol which is no longer common.
2689         * symtab.h (Symbol::is_common): Test whether the symbol comes from
2690         an object before checking its type.
2691         * testsuite/common_test_2.c: New file.
2692         * testsuite/common_test_3.c: New file.
2693         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2694         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2695         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2696         (common_test_2_pic.o, common_test_2.so): New targets.
2697         (common_test_3_pic.o, common_test_3.so): New targets.
2698         * testsuite/Makefile.in: Rebuild.
2699
2700         PR 10979
2701         * script.cc (read_input_script): If we see a new SECTIONS clause,
2702         and we have added an input section, give an error.
2703         * layout.h (class Layout): Add have_added_input_section function.
2704         Add have_added_input_section_ field.
2705         * layout.cc (Layout::Layout): Initialize
2706         have_added_input_section_.
2707         (Layout::layout): Set have_added_input_section_.
2708         (Layout::layout_eh_frame): Likewise.
2709
2710 2009-12-30  Ian Lance Taylor  <iant@google.com>
2711
2712         PR 10931
2713         * options.h (class General_options): Add --sort-common option.
2714         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2715         * common.cc (Sort_common): Add sort_order parameter to
2716         constructor.  Add sort_order_ field.
2717         (Sort_commons::operator): Check sort_order_.
2718         (Symbol_table::allocate_commons): Determine the sort order.
2719         (Symbol_table::do_allocate_commons): Add sort_order parameter.
2720         Change all callers.
2721         (Symbol_table::do_allocate_commons_list): Likewise.
2722
2723 2009-12-30  Ian Lance Taylor  <iant@google.com>
2724
2725         PR 10916
2726         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2727         symbols from this object, don't change the visibility of an
2728         undefined symbol.
2729         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2730
2731 2009-12-30  Ian Lance Taylor  <iant@google.com>
2732
2733         PR 10861
2734         * script.h (class Version_script_info): Define Language enum.
2735         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2736         new fields globals_, locals_, and is_finalized_.
2737         * script.cc: Various formatting fixes.
2738         (class Parser_closure): Change language_stack_ from a vector of
2739         std::string to one of Version_script_info::Language.  Adjust all
2740         uses accordingly.
2741         (class Lazy_demangler): Remove.
2742         (struct Version_expression): Change language from std::string to
2743         Version_script_info::Language.
2744         (Version_script_info::Version_script_info): New function.
2745         (Version_script_info::~Version_script_info): Don't call clear.
2746         (Version_script_info::finalize): New function.
2747         (Version_script_info::build_lookup_tables): New function.
2748         (Version_script_info::build_expression_list_lookup): New
2749         function.
2750         (Version_script_info::get_symbol_version_helper): Rewrite to use
2751         lookup tables.
2752         (Version_script_info::print_expression_list): Adjust to use
2753         Version_script_info::Language.
2754         (script_push_lex_into_version_mode): Check that the version script
2755         has not been finalized.
2756         (version_script_push_lang): Change language string to
2757         Version_script_info::Language.
2758         * options.cc (Command_line::version_script): New function.
2759         * options.h (class General_options): Add finalize_dynamic_list
2760         function.  Change version_script from declaration to definition.
2761         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2762         * testsuite/version_script.map: Remove duplicate def of foo.
2763         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2764         version_script.map.
2765         * testsuite/Makefile.in: Rebuild.
2766
2767 2009-12-30  Ian Lance Taylor  <iant@google.com>
2768
2769         PR 10843
2770         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2771         if the input symbol index is 0, make the output symbol index 0.
2772
2773 2009-12-30  Ian Lance Taylor  <iant@google.com>
2774
2775         PR 10670
2776         * options.h (class General_options): Add -x/--discard-all.
2777         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2778         --discard-all.  If the local symbol needs a dynamic entry, check
2779         that before handling --discard-locals.
2780
2781 2009-12-30  Ian Lance Taylor  <iant@google.com>
2782
2783         PR 10450
2784         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2785         flags to PF_R.
2786         (Output_segment::add_output_section): Don't change the flags if
2787         the type is PT_TLS.
2788
2789         PR 10450
2790         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2791         GNU hash table if they need a dynamic value.  Otherwise, don't add
2792         them if they are defined in a dynamic object or are forced local.
2793
2794 2009-12-29  Ian Lance Taylor  <iant@google.com>
2795
2796         PR 10450
2797         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2798         .gnu.hash table for a 32-bit target.
2799
2800         PR 10450
2801         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2802         regular and a dynamic object only needs a dynamic symbol table
2803         entry if it is externally visible.
2804
2805         PR 10450
2806         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2807         constructor.  Add global_offset_table_ field.
2808         (Target_i386::got_section): Set global_offset_table_.
2809         (Target_i386::do_finalize_sections): Set global_offset_table_
2810         size.
2811         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2812         in constructor.  Add global_offset_table_ field.
2813         (Target_x86_64::got_section): Set global_offset_table_.
2814         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2815         size.
2816
2817         * layout.cc (Layout::Layout): Initialize increase_relro_.
2818         (Layout::get_output_section): Add is_relro, is_last_relro, and
2819         is_first_non_relro parameters.  Change all callers.
2820         (Layout::choose_output_section): Likewise.
2821         (Layout::add_output_section_data): Likewise.
2822         (Layout::make_output_section): Likewise.
2823         (Layout::set_segment_offsets): Clear increase_relro when using a
2824         linker script.
2825         * layout.h (class Layout): Add increase_relro method.  Add
2826         increase_relro_ field.  Update declarations.
2827         * output.cc (Output_section::Output_section): Initialize
2828         is_last_relro_ and is_first_non_relro_.
2829         (Output_segment::add_output_section): Group relro sections is
2830         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2831         (Output_segment::maximum_alignment): Remove relro handling.
2832         (Output_segment::set_section_addresses): Add increase_relro
2833         parameter.  Change all callers.  Add initial alignment to align
2834         relro sections on separate page.  Remove old relro handling.
2835         (Output_segment::set_section_list_addresses): Remove in_relro
2836         parameter.  Change all callers.
2837         (Output_segment::set_offset): Add increase parameter.  Change all
2838         callers.  Remove old relro handling.
2839         * output.h (class Output_section): Add new methods: is_last_relro,
2840         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2841         Add is_last_relro_ and is_first_non_relro_ fields.
2842         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2843         Create separate .got.plt section.  Call increase_relro.
2844         * x86_64.cc (Target_x86_64::got_section): Likewise.
2845         * testsuite/relro_script_test.t: Add .got.plt.
2846
2847         PR 10450
2848         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2849         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2850         (Layout::finalize): Call set_dynamic_symbol_size.
2851         (Layout::set_dynamic_symbol_size): New function.
2852         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2853         set_dynamic_symbol_size.
2854
2855         PR 10450
2856         * output.h (class Output_section): Add is_entsize_zero_ field.
2857         * output.cc (Output_section::Output_section): Initialize
2858         is_entsize_zero_.
2859         (Output_section::set_entsize): If two different entsizes are
2860         requested, force it to zero.
2861         (Output_section::add_input_section): Set flags for .debug_str
2862         before updating section flags.  Set entsize.
2863         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2864         and SHF_STRING if all input sections have those flags.
2865
2866 2009-12-29   Rafael Espindola  <espindola@google.com>
2867
2868         * main.cc (main): Fix the sys time reporting.
2869         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2870         reporting.
2871
2872 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2873
2874         * options.cc (General_options::parse_version): Allow -v to exit
2875         without an error if there is nothing to link.
2876
2877 2009-12-29  Ian Lance Taylor  <iant@google.com>
2878
2879         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2880         using a version of gcc before 4.1.
2881         * configure: Rebuild.
2882
2883 2009-12-28  Chris Demetriou  <cgd@google.com>
2884
2885         * attributes.cc (Output_attributes_section_data::do_write): Use
2886         std::vector::front rather than std::vector::data.
2887
2888 2009-12-28  Ian Lance Taylor  <iant@google.com>
2889
2890         * symtab.h (class Symbol_table): Add enum Defined.
2891         * resolve.cc (Symbol_table::should_override): Add defined
2892         parameter.  Change all callers.  Test whether object is NULL
2893         before calling a method on it.
2894         (Symbol_table::report_resolve_problem): Add defined parameter.
2895         Change all callers.
2896         (Symbol_table::should_override_with_special): Likewise.
2897         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2898         parameter.  Change all callers.
2899         (Symbol_table::do_define_in_output_data): Likewise.
2900         (Symbol_table::define_in_output_segment): Likewise.
2901         (Symbol_table::do_define_in_output_segment): Likewise.
2902         (Symbol_table::define_as_constant): Likewise.
2903         (Symbol_table::do_define_as_constant): Likewise.
2904         * script.h (class Symbol_assignment): Add is_defsym parameter to
2905         constructor; change all callers.
2906         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2907         parameter.  Change all callers.  Add is_defsym_ field.
2908         (class Parser_closure): Add parsing_defsym parameter to
2909         constructor; change all callers.  Add parsing_defsym accessor
2910         function.  Add parsing_defsym_ field.
2911
2912 2009-12-28  Ian Lance Taylor  <iant@google.com>
2913
2914         * gold.cc (queue_middle_tasks): Fix formatting.
2915         * object.cc (Relobj::is_section_name_included): Likewise.
2916
2917 2009-12-23  Ian Lance Taylor  <iant@google.com>
2918
2919         * i386.cc (Target_i386::do_calls_non_split): Recognize
2920         -fsplit-stack prologue for a function with a static chain.
2921         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2922         -fsplit-stack prologue when using %r11.
2923
2924 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2925
2926         * options.cc (General_options::parse_version): Make -v continue and do
2927         the link like GNU ld does.
2928
2929 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2930
2931         * Makefile.am (CCFILES): Add timer.cc.
2932         (HFILES): Add timer.h.
2933         * configure.ac: Check for sysconf and times.
2934         * main.cc: include timer.h.
2935         (main): Use Timer instead of get_run_time.
2936         * timer.cc: New.
2937         * timer.h: New.
2938         * workqueue.cc: include timer.h.
2939         (Workqueue::find_and_run_task):
2940         Report user, sys and wall time.
2941         * Makefile.in: Regenerate.
2942         * config.in: Regenerate.
2943         * configure: Regenerate.
2944
2945 2009-12-16  Doug Kwan  <dougkwan@google.com>
2946
2947         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2948         sections.
2949         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2950         relaxed input sections.
2951         * output.cc (Output_section::find_relaxed_input_section): Change
2952         return type to Output_relaxed_input_section pointer.  Adjust code
2953         for new type of relaxed_input_section_map_.
2954         * output.h (Output_section::find_relaxed_input_section): Change
2955         return type to Output_relaxed_input_section pointer.
2956         (Output_section::Output_relaxed_input_section_by_input_section_map):
2957         New type.
2958         (Output_section::relaxed_input_section_map_): Change type to
2959         Output_section::Output_relaxed_input_section_by_input_section_map.
2960         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2961         input section.
2962
2963 2009-12-15  Ian Lance Taylor  <iant@google.com>
2964
2965         * layout.cc (Layout::create_shstrtab): Only write out after input
2966         sections if we are compressing debug sections.
2967
2968 2009-12-15  Ian Lance Taylor  <iant@google.com>
2969
2970         * archive.cc (Archive::add_symbols): Only look up a symbol without
2971         a version if there is, in fact, a version.
2972
2973 2009-12-14  Ian Lance Taylor  <iant@google.com>
2974
2975         Revert -Wshadow changes, all changes from:
2976         2009-12-11  Doug Kwan  <dougkwan@google.com>
2977         2009-12-11  Nick Clifton  <nickc@redhat.com>
2978         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2979
2980 2009-12-11  Doug Kwan  <dougkwan@google.com>
2981
2982         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2983         due to -Wshadow.
2984         * attributes.cc (Object_attribute::size): Ditto.
2985         (Attributes_section_data::size): Ditto.
2986         (Attributes_section_data::Attributes_section_data): Ditto.
2987         (Output_attributes_section_data::do_write): Ditto.
2988         * attributes.h (Object_attribute::set_type): Ditto.
2989         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2990
2991 2009-12-11  Nick Clifton  <nickc@redhat.com>
2992
2993         * archive.cc: Fix shadowed variable warnings.
2994         * arm.cc: Likewise.
2995         * compressed_output.cc: Likewise.
2996         * compressed_output.h: Likewise.
2997         * configure: Likewise.
2998         * dwarf_reader.cc: Likewise.
2999         * dynobj.cc: Likewise.
3000         * dynobj.h: Likewise.
3001         * ehframe.cc: Likewise.
3002         * ehframe.h: Likewise.
3003         * errors.cc: Likewise.
3004         * expression.cc: Likewise.
3005         * fileread.cc: Likewise.
3006         * fileread.h: Likewise.
3007         * freebsd.h: Likewise.
3008         * i386.cc: Likewise.
3009         * icf.cc: Likewise.
3010         * incremental.h: Likewise.
3011         * layout.cc: Likewise.
3012         * layout.h: Likewise.
3013         * mapfile.cc: Likewise.
3014         * merge.cc: Likewise.
3015         * merge.h: Likewise.
3016         * object.cc: Likewise.
3017         * object.h: Likewise.
3018         * options.h: Likewise.
3019         * output.cc: Likewise.
3020         * output.h: Likewise.
3021         * parameters.cc: Likewise.
3022         * plugin.cc: Likewise.
3023         * powerpc.cc: Likewise.
3024         * reduced_debug_output.cc: Likewise.
3025         * reduced_debug_output.h: Likewise.
3026         * reloc.cc: Likewise.
3027         * reloc.h: Likewise.
3028         * resolve.cc: Likewise.
3029         * script-sections.cc: Likewise.
3030         * script.cc: Likewise.
3031         * script.h: Likewise.
3032         * sparc.cc: Likewise.
3033         * symtab.cc: Likewise.
3034         * symtab.h: Likewise.
3035         * target-select.cc: Likewise.
3036         * target-select.h: Likewise.
3037         * token.h: Likewise.
3038         * workqueue.cc: Likewise.
3039         * workqueue.h: Likewise.
3040         * x86_64.cc: Likewise.
3041
3042 2009-12-10  Doug Kwan  <dougkwan@google.com>
3043
3044         * arm.cc (attributes.h): New include.
3045         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
3046         (Arm_relobj::~Arm_relobj): Delete object pointed by
3047         attributes_section_data_.
3048         (Arm_relobj::attributes_section_data): New method definition.
3049         (Arm_relobj::attributes_section_data_): New data member declaration.
3050         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
3051         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
3052         attributes_section_data_.
3053         (Arm_dynobj::attributes_section_data): New method definition.
3054         (Arm_dynobj::attributes_section_data_): New data member declaration.
3055         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
3056         initialization value of may_use_blx_ to false.
3057         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
3058         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
3059         object attributes to compute results instead of hard-coding.
3060         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
3061         Target_arm::get_secondary_compatible_arch,
3062         Target_arm::set_secondary_compatible_arch
3063         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3064         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
3065         New method declarations.
3066         (Target_arm::get_aeabi_object_attribute): New method definition.
3067         (Target_arm::attributes_section_data_): New data member declaration.
3068         (read_arm_attributes_section): New template definition.
3069         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
3070         (Arm_dynobj::do_read_symbols): Ditto.
3071         (Target_arm::do_finalize_sections): Merge attributes sections from
3072         input.  Check for BLX use after attributes section merging.
3073         Fix __exidx_start and __exidx_end visibility.  Create an
3074         .ARM.attributes section if necessary.
3075         (Target_arm::get_secondary_compatible_arch,
3076         Target_arm::set_secondary_compatible_arch,
3077         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3078         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
3079         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
3080         New method definitions.
3081
3082 2009-12-09  Ian Lance Taylor  <iant@google.com>
3083
3084         * plugin.cc (Plugin::load): Don't cast from void* to a function
3085         pointer.
3086
3087 2009-12-09  Ian Lance Taylor  <iant@google.com>
3088
3089         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
3090         information fields.
3091
3092 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
3093
3094         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
3095         Replace two_file_shared_1.so with two_file_shared_2.so.
3096         * testsuite/Makefile.in: Regenerated.
3097
3098 2009-12-08  Doug Kwan  <dougkwan@google.com>
3099
3100         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
3101         (HFILES): Add attributes.h and int_encoding.h.
3102         * Makefile.in: Regenerate.
3103         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
3104         function definitions to int_encoding.cc
3105         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
3106         prototypes to int_encoding.h
3107         * reduced_debug_output.cc (int_encoding.h): New include.
3108         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
3109         function definitions to int_encoding.cc
3110         (insert_into_vector, read_from_pointer): Move template definitions to
3111         int_encoding.h
3112         * attributes.cc: New file.
3113         * attributes.h: New file.
3114         * int_encoding.cc: New file.
3115         * int_encoding.h: New file.
3116
3117 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
3118
3119         PR gold/11055
3120         * incremental-dump.cc (dump_incremental_inputs): New.
3121         (main): Use dump_incremental_inputs.
3122
3123 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
3124
3125         PR gold/10893
3126         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
3127         checking elfcpp::STT_FUNC.
3128         (Target_i386::Relocate::relocate): Likewise.
3129         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3130
3131         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
3132         symbols from shared libraries into normal FUNC symbols.
3133
3134         * symtab.h (Symbol): Add is_func and use it.
3135
3136 2009-12-05  Doug Kwan  <dougkwan@google.com>
3137
3138         * arm.cc (Target_arm::arm_info): Initialize new fields
3139         attributes_section and attributes_vendor.
3140         * i386.cc (Target_i386::i386_info): Same.
3141         * object.cc (Sized_relobj::do_layout): Skip attribute section.
3142         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
3143         fields attributes_section and attributes_vendor.
3144         * sparc.cc (Target_sparc::sparc_info): Same.
3145         * target.h (Target::attributes_section, Target::attributes_vendor,
3146         Target::is_attributes_section, Target::attribute_arg_type,
3147         Target::attributes_order): New method definitions.
3148         (Target::Target_info::attributes_section,
3149         Target::Target_info::attributes_vendor): New fields.
3150         (Target::do_attribute_arg_type, Target::do_attributes_order): New
3151         virtual method definitions.
3152         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
3153         attributes_section and attributes_vendor.
3154         * testsuite/testfile.cc (Target_test::test_target_info): Same.
3155
3156 2009-12-05  Doug Kwan  <dougkwan@google.com>
3157
3158         * arm.cc: Update comments about interworking and stub generation.
3159         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
3160         considered as non-PIC.
3161         (Arm_relocate_functions::base_abs): Fix formatting.
3162         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
3163         of function to use GOT entry address instead of offset.
3164         (Target_arm::Scan::global): Issue an error if a symbol would need a
3165         PLT does not get one because it is untyped.  Remove code to create
3166         dynamic symbols for relative branches.
3167         (Target_arm::Relocate::relocate: Use 0 instead of false since function
3168         takes unsigned integer instead of boolean.
3169
3170 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
3171
3172         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
3173         (two_file_test_LDADD): Likewise.
3174         (common_test_1_LDADD): Likewise.
3175         (exception_test_LDADD) Likewise.
3176         (weak_test_LDADD): Likewise.
3177         (many_sections_test_LDADD): Likewise.
3178         (initpri1_LDADD): Likewise.
3179         (script_test_1_LDADD): Likewise.
3180         (script_test_2_LDADD): Likewise.
3181         (justsyms_LDADD): Likewise.
3182         (binary_test_LDADD): Likewise.
3183         (large_LDADD): Likewise.
3184         * testsuite/Makefile.in: Regenerated.
3185
3186 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
3187
3188         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
3189         (Symbol_table::override_with_special): Likewise.
3190         (Symbol_table::add_from_object): Likewise.
3191
3192 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3193
3194         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3195         Don't set the data_offset twice.
3196
3197 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3198
3199         * testsuite/Makefile.in: Regenerate.
3200
3201 2009-12-03  Doug Kwan  <dougkwan@google.com>
3202
3203         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
3204         (Target_arm::do_finalize_sections): Add parameter for symbol table
3205         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
3206         * i386.cc (Target_i386::do_finalize_sections): Add an additional
3207         parameter for symbol table pointer.
3208         * layout.cc (Layout::finalize): Call Target::finalize_sections with
3209         an additional parameter for a pointer to symbol table.
3210         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
3211         parameter for a symbol table pointer.
3212         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
3213         * target.h (Target::finalize_sections, Target::do_finalize_sections):
3214         Ditto.
3215         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
3216         parameter for a symbol table pointer.
3217
3218 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
3219
3220         * incremental.cc (Incremental_inputs_header)
3221         (Incremental_inputs_header_write, Incremental_inputs_entry)
3222         (Incremental_inputs_entry_write): Move ...
3223         * incremental.h (Incremental_inputs_header)
3224         (Incremental_inputs_header_write, Incremental_inputs_entry)
3225         (Incremental_inputs_entry_write): here.
3226
3227 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3228
3229         * incremental.cc (make_sized_incremental_binary): Set the target.
3230         Error if it is incompatible.
3231         * output.h (Output_file): Add filename method.
3232
3233 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3234
3235         * incremental.cc (Incremental_inputs_entry): Remove unused argument
3236         from the get_* methods.
3237
3238 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3239
3240         * incremental-dump.cc (main): Check that the offeset of a script is 0.
3241         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3242         Write 0 for the data_offset of scripts.
3243
3244 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3245
3246         * testsuite/Makefile.am: Add the incremental_test.sh test.
3247         * testsuite/incremental_test.sh: New.
3248         * testsuite/incremental_test_1.c: New.
3249         * testsuite/incremental_test_2.c: New.
3250
3251 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
3252
3253        * incremental-dump.cc (main): Fix typos.
3254
3255 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
3256
3257         PR gold/11025
3258         * incremental-dump.cc (main): Use llu to print 64 bit values.
3259
3260 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
3261             H.J. Lu  <hongjiu.lu@intel.com>
3262
3263         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
3264         $(LIBDL).
3265         (incremental_dump_LDADD): Likewise.
3266         * Makefile.in: Regenerated.
3267
3268 2009-11-25  Doug Kwan  <dougkwan@google.com>
3269
3270         Revert:
3271
3272         2009-11-25  Doug Kwan  <dougkwan@google.com>
3273
3274                 * arm.cc (Target_arm::Target_arm): Move method definition
3275                 outside of class definition.  Add code to handle
3276                 --target1-rel, --target1-abs and --target2= options.
3277                 (Target_arm::get_reloc_reloc_type): Change method to be
3278                 non-static and const.
3279                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
3280                 New data member declaration.
3281                 (Target_arm::Scan::local, Target_arm::Scan::global,
3282                 Target_arm::Relocate::relocate,
3283                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3284                 Adjust call to Target_arm::get_real_reloc_type.
3285                 (Target_arm::get_real_reloc_type): Use command line options
3286                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3287                 * options.h (--target1-rel, --target1-abs, --target2): New
3288                 ARM-only options.
3289
3290 2009-11-25  Doug Kwan  <dougkwan@google.com>
3291
3292         * arm.cc (Target_arm::Target_arm): Move method definition outside of
3293         class definition.  Add code to handle --target1-rel, --target1-abs
3294         and --target2= options.
3295         (Target_arm::get_reloc_reloc_type): Change method to be non-static
3296         and const.
3297         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
3298         member declaration.
3299         (Target_arm::Scan::local, Target_arm::Scan::global,
3300         Target_arm::Relocate::relocate,
3301         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
3302         call to Target_arm::get_real_reloc_type.
3303         (Target_arm::get_real_reloc_type): Use command line options to
3304         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3305         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
3306         options.
3307
3308 2009-11-25  Doug Kwan  <dougkwan@google.com>
3309
3310         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
3311         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
3312         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
3313         formatting.
3314         (Arm_relocate_functions::thm_call): Replace body with a call to
3315         Arm_relocate_functions::thumb_branch_common.
3316         (Arm_relocate_functions::thm_jump24,
3317         Arm_relocate_functions::thm_xpc22): New method definitions.
3318         (Arm_relocate_functions::thumb_branch_common): New method definition.
3319         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
3320         operator.
3321         (Target_arm::Relocate::relocate): Adjust call to thm_call.
3322         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
3323
3324 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3325
3326         * Makefile.am: Build incremental-dump
3327         * Makefile.in: Regenerate.
3328         * incremental-dump.cc: New.
3329         * incremental.cc (Incremental_inputs_header_data,
3330         Incremental_inputs_entry_data): Move to incremental.h
3331         * incremental.h: (Incremental_inputs_header_data,
3332         Incremental_inputs_entry_data): Move from incremental.cc
3333
3334 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3335
3336         * incremental.cc (Incremental_inputs_header,
3337         Incremental_inputs_header_write, Incremental_inputs_entry,
3338         Incremental_inputs_entry_write): Add a typedef with the data type.
3339
3340 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3341
3342         * incremental.cc (Incremental_inputs_header,
3343         Incremental_inputs_header_write, Incremental_inputs_entry,
3344         Incremental_inputs_entry_write): Update comment about which
3345         type has the filed descriptions.
3346
3347 2009-11-15  Doug Kwan  <dougkwan@google.com>
3348
3349         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
3350         (Arm_relocate_functions::arm_branch_common): Change method defintion
3351         in class definition to a method declaration and update list of formal
3352         parameters.
3353         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
3354         Arm_relocation_functions::jump24): Adjust call to
3355         Arm_relocate_functions::arm_branch_common.  Update list of formal
3356         parameters.
3357         (Arm_relocate_functions::xpc25): New method definition.
3358         (Arm_relocate_functions::arm_branch_common): Move method defintion
3359         out from class definition.  Use stubs for mode-switching and extending
3360         branch ranges.
3361         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
3362         specially.  Change code to enable use of stubs in ARM branches.
3363
3364 2009-11-10  Doug Kwan  <dougkwan@google.com>
3365
3366         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
3367         in method declaration.
3368         (Target_arm::relocate_stub): New method declaration.
3369         (Target_arm::default_target): Change to return a pointer instead of
3370         a const reference.
3371         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
3372         Target_arm::default_target.
3373         (Arm_Relobj::do_relocate_sections): Remove options paramater in
3374         method definition.
3375         (Target_arm::relocate_section): Adjust view.
3376         (Target_arm::relocate_stub): New method definition.
3377
3378 2009-11-10  Doug Kwan  <dougkwan@google.com>
3379
3380         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
3381         a format warning.
3382         * incremental.cc (open_incremental_binary): Initialized local
3383         variables to avoid warnings.
3384         * object.cc (make_elf_object): Ditto.
3385         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
3386         a format warning.
3387
3388 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
3389
3390         PR gold/10930
3391         * testsuite/plugin_test.c: Include "config.h".
3392
3393 2009-11-09  Doug Kwan  <dougkwan@google.com>
3394
3395         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
3396         (arm_symbol_value): Remove.
3397         (Arm_relocate_functions::arm_branch_common,
3398         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
3399         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
3400         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
3401         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
3402         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
3403         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
3404         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
3405         Arm_relocate_functions::thm_mobw_abs_nc,
3406         Arm_relocate_functions::thm_mov_abs,
3407         Arm_relocate_functions::movw_prel_nc,
3408         Arm_relocate_functions::thm_movt_abs,
3409         Arm_relocate_functions::movt_prel,
3410         Arm_relocate_functions::thm_movw_prel_nc,
3411         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
3412         (Target_arm::Relocate::relocate): Only decompose address into two
3413         parts if relocation type uses the thumb-bit and pass the actual
3414         bit instead of a flag indicating that the thumb-bit is used.  Adjust
3415         calls to methods in Arm_relocate_functions for this change.
3416
3417 2009-11-08  Ian Lance Taylor  <iant@google.com>
3418
3419         PR 10925
3420         * reloc.cc: Instantiate
3421         Sized_relobj::initialize_input_to_output_maps and
3422         Sized_relobj:free_input_to_output_maps.
3423
3424 2009-11-06  Ian Lance Taylor  <iant@google.com>
3425
3426         PR 10876
3427         * defstd.cc (in_segment): Set only_if_ref true for "end".
3428
3429 2009-11-06  Doug Kwan  <dougkwan@google.com>
3430
3431         * arm.cc (class Reloc_stub): Correct a comment.
3432         (Target_arm::Target_arm): Initialize arm_input_section_map_.
3433         (Target_arm::scan_section_for_stubs): New method declaration.
3434         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
3435         Change methods from private to protected.
3436         (Target_arm::do_may_relax): New method definition.
3437         (Target_arm::do_relax, Target_arm::group_sections,
3438         Target_arm::scan_reloc_for_stub,
3439         Target_arm::scan_reloc_section_for_stubs): New method declarations.
3440         (Target_arm::arm_input_section_map_): New data member declaration.
3441         (Target_arm::scan_reloc_for_stub,
3442         Target_arm::scan_reloc_section_for_stubs,
3443         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
3444         Target_arm::do_relax): New method definitions.
3445
3446 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
3447
3448         * configure.ac: Check for (struct stat)::st_mtim
3449         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
3450         * config.in: Regenerate.
3451         * configure: Regenerate.
3452
3453 2009-11-05  Ian Lance Taylor  <iant@google.com>
3454
3455         PR 10910
3456         * output.cc (Output_segment::add_output_section): Add missing
3457         return statement.
3458
3459 2009-11-04  Ian Lance Taylor  <iant@google.com>
3460
3461         PR 10880
3462         * object.h (class Object): Add is_needed and set_is_needed
3463         methods.  Add is_needed_ field.  Make bool fields into bitfields.
3464         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
3465         defined in a dynamic object and referenced by a regular object,
3466         set is_needed for the dynamic object.
3467         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
3468         if the file is marked with as_needed and it is not needed.
3469
3470 2009-11-04  Ian Lance Taylor  <iant@google.com>
3471
3472         PR 10887
3473         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
3474         tags if data is discarded by linker script.
3475         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3476         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3477         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3478         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3479
3480 2009-11-04  Ian Lance Taylor  <iant@google.com>
3481
3482         * layout.cc (Layout::get_output_section): Add is_interp and
3483         is_dynamic_linker_section parameters.  Change all callers.
3484         (Layout::choose_output_section): Likewise.
3485         (Layout::make_output_section): Likewise.
3486         (Layout::add_output_section_data): Add is_dynamic_linker_section
3487         parameter.  Change all callers.
3488         * layout.h (class Layout): Update declarations.
3489         * output.h (class Output_section): Add is_interp, set_is_interp,
3490         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3491         Add is_interp_, is_dynamic_linker_section_ fields.  Change
3492         generate_code_fills_at_write_ to a bitfield.
3493         * output.cc (Output_section::Output_sections): Initialize new
3494         fields.
3495         (Output_segment::add_output_section): Add do_sort parameter.
3496         Change all callers.
3497
3498 2009-11-03  Ian Lance Taylor  <iant@google.com>
3499
3500         PR 10860
3501         * options.h (class General_options): Add --warn-common.
3502         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3503         merging two common symbols.
3504         (Symbol_table::should_override): Handle --warn-common when merging
3505         a common symbol with a defined symbol.  Use report_resolve_problem
3506         for multiple definitions.
3507         (Symbol_table::report_resolve_problem): New function.
3508         * symtab.h (class Symbol_table): Declare report_resolve_problem.
3509
3510 2009-11-03  Doug Kwan  <dougkwan@google.com>
3511
3512         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
3513         stub_factory_.
3514         (Target_arm::stub_factory): New method definition.
3515         (Target_arm::new_arm_input_section,
3516         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
3517         Target_arm::reloc_uses_thumb_bit): New method declarations.
3518         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
3519         New type definitions.
3520         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
3521         member declarations.
3522         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
3523         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
3524         New method definitions.
3525
3526 2009-11-03  Ian Lance Taylor  <iant@google.com>
3527
3528         * options.h (class General_options): Add --warn_constructors.
3529
3530 2009-11-03  Ian Lance Taylor  <iant@google.com>
3531
3532         PR 10893
3533         * defstd.cc (in_section): Add entries for __rel_iplt_start,
3534         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
3535
3536 2009-11-03  Ian Lance Taylor  <iant@google.com>
3537
3538         PR 10895
3539         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
3540         --msgid-bugs-address.
3541         (install-pdf): New target.
3542         (install-data_yes): Look up one directory to find mkinstalldirs.
3543
3544 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
3545
3546         * po/Make-in (.po.gmo): Don't generate .gmo files in source
3547         tree.
3548
3549 2009-10-30  Doug Kwan  <dougkwan@google.com>
3550
3551         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
3552
3553 2009-10-30  Doug Kwan  <dougkwan@google.com>
3554
3555         * arm.cc (Stub_addend_reader): New struct template definition
3556         and partial specializations.
3557         (Stub_addend_reader::operator()): New method definition for a
3558         partially specialized template.
3559
3560 2009-10-30  Doug Kwan  <dougkwan@google.com>
3561
3562         * arm.cc (Arm_relobj::processor_specific_flags): New method
3563         definition.
3564         (Arm_relobj::do_read_symbols): New method declaration.
3565         (Arm_relobj::processor_specific_flags_): New data member declaration.
3566         (Arm_dynobj): New class definition.
3567         (Target_arm::do_finalize_sections): Add input_objects parameter.
3568         (Target_arm::do_adjust_elf_header): New method declaration.
3569         (Target_arm::are_eabi_versions_compatible,
3570         (Target_arm::merge_processor_specific_flags): New method declaration.
3571         (Target_arm::do_make_elf_object): New overloaded method definitions
3572         and declaration.
3573         (Arm_relobj::do_read_symbols): New method definition.
3574         (Arm_dynobj::do_read_symbols): Ditto.
3575         (Target_arm::do_finalize_sections): Add input_objects parameters.
3576         Merge processor-specific flags from all input objects.
3577         (Target_arm::are_eabi_versions_compatible,
3578         Target_arm::merge_processor_specific_flags,
3579         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3580         New method definitions.
3581         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3582         Input_objects pointer type parameter.
3583         * layout.cc (Layout::finalize): Pass input objects to target's.
3584         finalize_sections function.
3585         * output.cc (Output_file_header::do_sized_write): Set ELF file
3586         header's processor-specific flags.
3587         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3588         Input_objects pointer type parameter.
3589         * sparc.cc (Target_sparc::do_finalize_sections): Same.
3590         * target.h (Input_objects): New forward class declaration.
3591         (Target::processor_specific_flags,
3592         Target::are_processor_specific_flags_sect): New method definitions.
3593         (Target::finalize_sections): Add input_objects parameter.
3594         (Target::Target): Initialize processor_specific_flags_ and
3595         are_processor_specific_flags_set_.
3596         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3597         parameter.
3598         (Target::set_processor_specific_flags): New method definition.
3599         (Target::processor_specific_flags_,
3600         Target::are_processor_specific_flags_set_): New data member
3601         declarations.
3602         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3603         Input_objects pointer type parameter.
3604
3605 2009-10-30  Doug Kwan  <dougkwan@google.com>
3606
3607         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3608
3609 2009-10-28  Ian Lance Taylor  <iant@google.com>
3610
3611         * object.h (class Relobj): Drop options parameter from
3612         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3613         do_scan_relocs, do_relocate.  Change all callers.
3614         (class Sized_relobj): Drop options parameters from
3615         do_gc_process_relocs, do_scan_relocs, do_relocate,
3616         do_relocate_sections, relocate_sections, emit_relocs_scan,
3617         emit_relocs_scan_reltype.  Change all callers.
3618         (struct Relocate_info): Remove options field and all references to
3619         it.
3620         * reloc.h (class Read_relocs): Remove options constructor
3621         parameter and options_ field.  Change all callers.
3622         (class Gc_process_relocs, class Scan_relocs): Likewise.
3623         (class Relocate_task): Likewise.
3624         * target-reloc.h (scan_relocs): Remove options parameter.  Change
3625         all callers.
3626         (scan_relocatable_relocs): Likewise.
3627         * target.h (class Sized_target): Remove options parameter from
3628         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
3629         all callers.
3630         * gc.h (gc_process_relocs): Remove options parameter.  Change all
3631         callers.
3632         * arm.cc: Update functions to remove options parameters.
3633         * i386.cc: Likewise.
3634         * powerpc.cc: Likewise.
3635         * sparc.cc: Likewise.
3636         * x86_64.cc: Likewise.
3637         * testsuite/testfile.cc: Likewise.
3638
3639 2009-10-28  Doug Kwan  <dougkwan@google.com>
3640
3641         * arm.cc (Arm_relobj): New class definition.
3642         (Arm_relobj::scan_sections_for_stubs,
3643         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3644         New method definitions.
3645
3646 2009-10-28  Cary Coutant  <ccoutant@google.com>
3647
3648         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3649         (Plugin::cleanup_done_): New member.
3650         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3651         (Plugin_manager::cleanup_done_): Remove.
3652         (Plugin_manager::add_input_file): Edit error message.
3653         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3654         (Plugin_manager::cleanup): Remove use of cleanup_done_.
3655
3656 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
3657
3658         * fileread.cc: (File_read::View::~View): Use the new
3659         data_ownership_ filed.
3660         (File_read::~File_read): Dispose the new whole_file_view_.
3661         (File_read::open): Mmap the whole file if needed.
3662         (File_read::open): Use whole_file_view_ instead of contents_.
3663         (File_read::find_view): Use whole_file_view_ if applicable.
3664         (File_read::do_read): Use whole_file_view_ instead of contents_.
3665         (File_read::make_view): Use whole_file_view_ instead of contents_,
3666         update File_read::View::View call.
3667         (File_read::find_or_make_view): Update File_read::View::View
3668         call.
3669         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3670         remove contents_
3671         (File_read::View::Data_ownership): New enum.
3672         (File_read::View::View): Replace bool mapped_ with Data_ownership
3673         argument.
3674         (File_read::View::mapped_): Remove (replaced by data_ownership_).
3675         (File_read::View::data_ownership_): New field.
3676         (File_read::contents_): Remove (replaced by whole_file_view_).
3677         (File_read::whole_file_view_): New field.
3678         * options.h (class General_options): Add --keep-files-mapped.
3679
3680 2009-10-27  Cary Coutant  <ccoutant@google.com>
3681
3682         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3683         * testsuite/Makefile.am (plugin_test_5): New test case.
3684         * testsuite/Makefile.in: Regenerate.
3685
3686 2009-10-25  Doug Kwan  <dougkwan@google.com>
3687
3688         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3689         from private to protected to allow access by child class.
3690         (Sized_relobj::do_relocate_sections): New method declaration.
3691         (Sized_relobj::relocate_sections): Virtualize.
3692         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
3693         Sized_relobj::relocate_sections.  Instantiate template explicitly
3694         for different target sizes and endianity.
3695
3696 2009-10-24  Doug Kwan  <dougkwan@google.com>
3697
3698         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3699         (Arm_input_section::as_arm_input_section): New method.
3700         (Arm_output_section): New class definition.
3701         (Arm_output_section::create_stub_group,
3702         Arm_output_section::group_sections): New method definitions.
3703
3704 2009-10-22  Doug Kwan  <dougkwan@google.com>
3705
3706         * arm.cc (Arm_input_section): New class definition.
3707         (Arm_input_section::init, Arm_input_section:do_write,
3708         Arm_input_section::set_final_data_size,
3709         Arm_input_section::do_reset_address_and_file_offset): New method
3710         definitions.
3711
3712 2009-10-21  Doug Kwan  <dougkwan@google.com>
3713
3714         * arm.cc (Stub_table, Arm_input_section): New forward class
3715         declarations.
3716         (Stub_table): New class defintion.
3717         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3718         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3719         New method definition.
3720
3721 2009-10-21  Doug Kwan  <dougkwan@google.com>
3722
3723         * arm.cc: Update copyright comments.
3724         (Target_arm): New forward class template declaration.
3725         (Arm_address): New type.
3726         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3727         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3728         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3729         constants.
3730         (Insn_template): Same.
3731         (DEF_STUBS): New macro.
3732         (Stub_type): New enum type.
3733         (Stub_template): New class definition.
3734         (Stub): Same.
3735         (Reloc_stub): Same.
3736         (Stub_factory): Same.
3737         (Target_arm::Target_arm): Initialize may_use_blx_ and
3738         should_force_pic_veneer_.
3739         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3740         Target_arm::should_force_pic_veneer,
3741         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3742         Target_arm::using_thumb_only, Target_arm:;default_target): New
3743         method defintions.
3744         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3745         New data member declarations.
3746         (Insn_template::size, Insn_template::alignment): New method defintions.
3747         (Stub_template::Stub_template): New method definition.
3748         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3749         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3750         (Stub_factory::Stub_factory): New method definition.
3751         * gold.h (string_hash): New template.
3752         * output.h (Input_section_specifier::hash_value): Use
3753         gold::string_hash.
3754         (Input_section_specifier::string_hash): Remove.
3755         * stringpool.cc (Stringpool_template::string_hash): Use
3756         gold::string_hash.
3757
3758 2009-10-20  Doug Kwan  <dougkwan@google.com>
3759
3760         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3761         symbols of relaxed input sections.
3762         * output.h (Output_section::find_relaxed_input_section): Make
3763         method public.
3764
3765 2009-10-16  Doug Kwan  <dougkwan@google.com>
3766
3767         * dynobj.cc (Versions::Versions): Initialize version_script_.
3768         Only insert base version symbol definition for a shared object
3769         if version script defines any version versions.
3770         (Versions::define_base_version): New method definition.
3771         (Versions::add_def): Check that base version is not needed.
3772         (Versions::add_need): Define base version lazily.
3773         * dynobj.h (Versions::define_base_version): New method declaration.
3774         (Versions::needs_base_version_): New data member declaration.
3775         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3776         (check_DATA): Add no_version_test.stdout.
3777         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3778         New make rules.
3779         * testsuite/Makefile.in: Regenerate.
3780         * testsuite/no_version_test.c: New file.
3781         * testsuite/no_version_test.sh: Ditto.
3782
3783 2009-10-16  Doug Kwan  <dougkwan@google.com>
3784
3785         * expression.cc (class Segment_start_expression): New class definition.
3786         (Segment_start_expression::value): New method definition.
3787         (script_exp_function_segment_start): Return a new
3788         Segment_start_expression.
3789         * gold/script-c.h (script_saw_segment_start_expression): New function
3790         prototype.
3791         * script-sections.cc (Script_sections::Script_sections): Initialize
3792         SAW_SEGMENT_START_EXPRESSION_ to false.
3793         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3794         and -Tbbs options to specify section addresses if given in
3795         command line and no SEGMENT_START expression is seen in a script.
3796         * script-sections.h (Script_sections::saw_segment_start_expression,
3797         Script_sections::set_saw_segment_start_expression): New method
3798         definition.
3799         (Script_sections::saw_segment_start_expression_): New data member
3800         declaration.
3801         * script.cc (script_saw_segment_start_expression): New function.
3802         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3803         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3804         script_test_7.sh and script_test_8.sh.
3805         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3806         script_test_8.stdout.
3807         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3808         (script_test_6, script_test_6.stdout, script_test_7,
3809         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3810         * Makefile.in: Regenerate.
3811         * testsuite/script_test_6.sh: New file.
3812         * testsuite/script_test_6.t: Same.
3813         * testsuite/script_test_7.sh: Same.
3814         * testsuite/script_test_7.t: Same.
3815         * testsuite/script_test_8.sh: Same.
3816
3817 2009-10-16  Doug Kwan  <dougkwan@google.com>
3818
3819         * output.cc (Output_segment::set_section_list_address): Cast
3820         expressions to unsigned long long type to avoid format warnings.
3821
3822 2009-10-15  Ian Lance Taylor  <iant@google.com>
3823
3824         * script.cc (Script_options::add_symbol_assignment): Always add a
3825         dot assignment to script_sections_.
3826         * script-sections.cc (Script_sections::add_dot_assignment):
3827         Initialize if necessary.
3828
3829         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3830         program headers with no load segment if there is a linker script.
3831
3832         * layout.cc (Layout::set_segment_offsets): Align the file offset
3833         to the segment aligment for -N or -n with no load segment.
3834         * output.cc (Output_segment::add_output_section): Don't crash if
3835         the first section is a TLS section.
3836         (Output_segment::set_section_list_addresses): Print an error
3837         message if the address moves backward in a linker script.
3838         * script-sections.cc
3839         (Output_section_element_input::set_section_addresses): Don't
3840         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3841         (Orphan_output_section::set_section_addresses): Likewise.
3842
3843 2009-10-15  Doug Kwan  <dougkwan@google.com>
3844
3845         * layout.cc (Layout::finish_dynamic_section): Generate tags
3846         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3847         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3848         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3849
3850 2009-10-14  Ian Lance Taylor  <iant@google.com>
3851
3852         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3853         fields.
3854         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3855         data_shdr fields of relinfo.
3856         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3857         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3858         R_386_TLS_LDO_32, adjust based on section flags.
3859         (Target_i386::Relocate::fix_up_ldo): Remove.
3860
3861 2009-10-13  Ian Lance Taylor  <iant@google.com>
3862
3863         Add support for -pie.
3864         * options.h (class General_options): Add -pie and
3865         --pic-executable.
3866         (General_options::output_is_position_independent): Test -pie.
3867         (General_options::output_is_executable): Return true if not shared
3868         and not relocatable.
3869         (General_options::output_is_pie): Remove.
3870         * options.cc (General_options::finalize): Reject incompatible uses
3871         of -pie.
3872         * gold.cc (queue_middle_tasks): A -pie link is not static.
3873         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3874         * symtab.cc (Symbol::final_value_is_known): Return false if
3875         output_is_position_independent.
3876         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3877         output_is_position_independent.
3878         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3879         output_is_position_independent.
3880         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3881         output_is_position_independent.
3882         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3883         two_file_pie_test.
3884         (basic_pie_test.o, basic_pie_test): New targets.
3885         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3886         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3887         (two_file_pie_test): New target.
3888         * testsuite/Makefile.in: Rebuild.
3889         * README: Remove note saying that -pie is not supported.
3890
3891 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3892
3893         * options.h (class General_options): Add -init and -fini.
3894         * layout.cc (Layout::finish_dynamic_section): Emit
3895         given init and fini functions.
3896
3897 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3898
3899         * gc.h (gc_process_relocs): Check if icf is enabled using new
3900         function.
3901         * gold.cc (queue_initial_tasks): Likewise.
3902         (queue_middle_tasks): Likewise.
3903         * object.cc (do_layout): Likewise.
3904         * symtab.cc (is_section_folded): Likewise.
3905         * main.cc (main): Likewise.
3906         * reloc.cc (Read_relocs::run): Likewise.
3907         (Sized_relobj::do_scan_relocs): Likewise.
3908         * icf.cc (is_function_ctor_or_dtor): New function.
3909         (Icf::find_identical_sections): Check if function is ctor or dtor when
3910         safe icf is chosen.
3911         * options.h (General_options::icf): Change option to be an enum.
3912         (Icf_status): New enum.
3913         (icf_enabled): New method.
3914         (icf_safe_folding): New method.
3915         (set_icf_status): New method.
3916         (icf_status_): New variable.
3917         * (options.cc) (General_options::finalize): Set icf_status_.
3918         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3919         icf_test and icf_keep_unique_test to use the --icf enum flag.
3920         * testsuite/icf_safe_test.sh: New file.
3921         * testsuite/icf_safe_test.cc: New file.
3922
3923 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3924
3925         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3926         includes to gc.h and icf.h.
3927         * arm.cc: Include gc.h.
3928         * gold.cc: Likewise.
3929         * i386.cc: Likewise.
3930         * powerpc.cc: Likewise.
3931         * sparc.cc: Likewise.
3932         * x86_64.cc: Likewise.
3933         * gc.h: Include icf.h.
3934
3935 2009-10-11  Ian Lance Taylor  <iant@google.com>
3936
3937         * plugin.cc: Include "gold.h" before other header files.
3938
3939 2009-10-10  Chris Demetriou  <cgd@google.com>
3940
3941         * options.h (Input_file_argument::Input_file_type): New enum.
3942         (Input_file_argument::is_lib_): Replace with...
3943         (Input_file_argument::type_): New member.
3944         (Input_file_argument::Input_file_argument): Take Input_file_type
3945         'type' rather than boolean 'is_lib' as second argument.
3946         (Input_file_argument::is_lib): Use type_.
3947         (Input_file_argument::is_searched_file): New function.
3948         (Input_file_argument::may_need_search): Handle is_searched_file.
3949         * options.cc (General_options::parse_library): Support -l:filename.
3950         (General_options::parse_just_symbols): Update for Input_file_argument
3951         changes.
3952         (Command_line::process): Likewise.
3953         * archive.cc (Archive::get_file_and_offset): Likewise.
3954         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3955         * script.cc (read_script_file, script_add_file): Likewise.
3956         * fileread.cc (Input_file::Input_file): Likewise.
3957         (Input_file::will_search_for): Handle is_searched_file.
3958         (Input_file::open): Likewise.
3959         * readsyms.cc (Read_symbols::get_name): Likewise.
3960         * testsuite/Makefile.am (searched_file_test): New test.
3961         * testsuite/Makefile.in: Regenerate.
3962         * testsuite/searched_file_test.cc: New file.
3963         * testsuite/searched_file_test_lib.cc: New file.
3964
3965 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3966             Ian Lance Taylor  <iant@google.com>
3967
3968         * descriptor.cc: Include <cstdio> and "binary-io.h".
3969         (Descriptors::open): Open the files in binary mode always.
3970         * script.cc (Lex::get_token): Treat \r as whitespace.
3971
3972 2009-10-09  Ian Lance Taylor  <iant@google.com>
3973
3974         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3975
3976 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3977             Ian Lance Taylor  <iant@google.com>
3978
3979         * configure.ac: Check for readv function also.
3980         * fileread.cc (readv): Define if not HAVE_READV.
3981         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3982         does not exist.
3983         * config.in: Regenerate.
3984         * configure: Regenerate.
3985
3986 2009-10-09  Doug Kwan  <dougkwan@google.com>
3987
3988         * layout.cc (Layout::make_output_section): Call target hook to make
3989         ordinary output section.
3990         (Layout::finalize): Adjust parameter list of call the
3991         Target::may_relax().
3992         * layout.h (class Layout::section_list): New method.
3993         * merge.h (Output_merge_base::entsize): Change visibility to public.
3994         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3995         New methods.
3996         (Output_merge_string::do_is_string): New method.
3997         * object.cc (Sized_relobj::do_setup): renamed from
3998         Sized_relobj::set_up.
3999         * object.h (Sized_relobj::adjust_shndx,
4000         Sized_relobj::initializ_input_to_output_maps,
4001         Sized_relobj::free_input_to_output_maps): Change visibilities to
4002         protected.
4003         (Sized_relobj::setup): Virtualize.
4004         (Sized_relobj::do_setup): New method declaration.
4005         (Sized_relobj::invalidate_section_offset,
4006         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
4007         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
4008         * options.cc (parse_int): New function.
4009         * options.h (parse_int): New declaration.
4010         (DEFINE_int): New macro.
4011         (stub_group_size): New option.
4012         * output.cc (Output_section::Output_section): Initialize memebers
4013         merge_section_map_, merge_section_by_properties_map_,
4014         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
4015         (Output_section::add_input_section): Handled deferred code-fill
4016         generation and remove an old comment.
4017         (Output_section::add_relaxed_input_section): New method definition.
4018         (Output_section::add_merge_input_section): Use merge section by
4019         properties map to speed to search.  Update merge section maps
4020         as appropriate.
4021         (Output_section::build_relaxation_map): New method definition.
4022         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4023         Same.
4024         (Output_section::relax_input_section): Renamed to
4025         Output_section::convert_input_sections_to_relaxed_sections and change
4026         interface to take a vector of pointers to relaxed sections.
4027         (Output_section::find_merge_section,
4028         Output_section::find_relaxed_input_section): New method definitions.
4029         (Output_section::is_input_address_mapped,
4030         Output_section::output_offset, Output_section::output_address):
4031         Use output section data maps to speed up searching.
4032         (Output_section::find_starting_output_address): Add comments.
4033         (Output_section::do_write,
4034         Output_section::write_to_postprocessing_buffer): Do code-fill
4035         generation as appropriate.
4036         (Output_section::get_input_sections): Invalidate relaxed input section
4037         map.
4038         (Output_section::restore_states): Adjust type of checkpoint .
4039         Invalidate relaxed input section map.
4040         * output.h (Output_merge_base): New class declaration.
4041         (Input_section_specifier): New class defintion.
4042         (class Output_relaxed_input_section) Change base class to
4043         Output_section_data_build.
4044         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
4045         base class initializer.
4046         (Output_section::add_relaxed_input_section): New method declaration.
4047         (Output_section::Input_section): Change visibility to protected.
4048         (Output_section::Input_section::relobj,
4049         Output_section::Input_section::shndx): Handle relaxed input sections.
4050         Output_section::input_sections) Change visibility to protected.  Also
4051         define overload to return a non-const pointer.
4052         (Output_section::Merge_section_properties): New class defintion.
4053         (Output_section::Merge_section_by_properties_map,
4054         Output_section::Output_section_data_by_input_section_map,
4055         Output_section::Relaxation_map): New types.
4056         (Output_section::relax_input_section): Rename method to
4057         Output_section::convert_input_sections_to_relaxed_sections and change
4058         interface to take a vector of relaxed section pointers.
4059         (Output_section::find_merge_section,
4060         Output_section::find_relaxed_input_section,
4061         Output_section::build_relaxation_map,
4062         Output_section::convert_input_sections_in_list_to_relaxed_sections):
4063         New method declarations.
4064         (Output_section::merge_section_map_
4065         Output_section::merge_section_by_properties_map_,
4066         Output_section::relaxed_input_section_map_,
4067         Output_section::is_relaxed_input_section_map_valid_,
4068         Output_section::generate_code_fills_at_write_): New data members.
4069         * script-sections.cc
4070         (Output_section_element_input::set_section_addresses): Call
4071         current_data_size and addralign methods of relaxed input sections.
4072         (Orphan_output_section::set_section_addresses): Call current_data_size
4073         and addralign methods of relaxed input sections.
4074         * symtab.cc (Symbol_table::compute_final_value): Extract template
4075         from the body of Symbol_table::sized_finalize_symbol.
4076         (Symbol_table::sized_finalized_symbol): Call
4077         Symbol_table::compute_final_value.
4078         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
4079         (Symbol_table::compute_final_value): New templated method declaration.
4080         * target.cc (Target::do_make_output_section): New method defintion.
4081         * target.h (Target::make_output_section): New method declaration.
4082         (Target::relax): Add more parameters for input objects, symbol table
4083         and layout.  Adjust call to do_relax.
4084         (Target::do_make_output_section): New method declaration.
4085         (Target::do_relax): Add parameters for input objects, symbol table
4086         and layout.
4087
4088 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4089
4090         * pread.c: Include stdio.h.
4091
4092 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4093
4094         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
4095         defined.
4096
4097 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4098
4099         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4100         Change read_shndx type to unsigned int.
4101         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4102         int.
4103         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4104         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
4105         Change read_shndx type to unsigned int.
4106         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4107         int.
4108         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4109         * layout.cc (Layout::create_symtab_sections): Cast the result of
4110         local_symcount * symsize to off_t in the gold_assert.
4111
4112 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4113
4114         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
4115         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
4116         R_ARM_BASE_ABS.
4117         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
4118         (Arm_relocate_functions::thm_abs5): New function.
4119         (Arm_relocate_functions::abs12): New function.
4120         (Arm_relocate_functions::abs16): New function.
4121         (Arm_relocate_functions::base_abs): New function.
4122         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
4123         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
4124         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
4125         R_ARM_BASE_ABS.
4126         (Scan::global): Likewise.
4127         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
4128         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
4129         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
4130         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
4131         R_ARM_BASE_ABS.
4132
4133 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4134
4135         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
4136         (Arm_relocate_functions::movt_prel): New function.
4137         (Arm_relocate_functions::thm_movw_prel_nc): New function.
4138         (Arm_relocate_functions::thm_movt_prel): New function.
4139         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
4140         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
4141         (Scan::global, Relocate::relocate): Likewise.
4142         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4143
4144 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4145
4146         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
4147         Incremental_checker.
4148         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
4149         unsigned int.
4150         (class Incremental_inputs_header): New class.
4151         (Incremental_inputs_header_writer): Edit comment.
4152         (Incremental_inputs_entry): New class.
4153         (Incremental_inputs_entry_writer): Edit comment.
4154         (Sized_incremental_binary::do_find_incremental_inputs_section):
4155         Add *strtab_shndx parameter, fill it.
4156         (Sized_incremental_binary::do_check_inputs): New method.
4157         (Incremental_checker::can_incrementally_link_output_file): Use
4158         Sized_incremental_binary::check_inputs.
4159         (Incremental_inputs::report_command_line): Save command line in
4160         command_line_.
4161         * incremental.h:
4162         (Incremental_binary::find_incremental_inputs_section): New
4163         method.
4164         (Incremental_binary::do_find_incremental_inputs_section): Add
4165         strtab_shndx parameter.
4166         (Incremental_binary::do_check_inputs): New pure virtual method.
4167         (Sized_incremental_binary::do_check_inputs): Declare.
4168         (Incremental_checker::Incremental_checker): Add incremental_inputs
4169         parameter, use it to initialize incremental_inputs_.
4170         (Incremental_checker::incremental_inputs_): New field.
4171         (Incremental_checker::command_line): New method.
4172         (Incremental_checker::inputs): New method.
4173         (Incremental_checker::command_line_): New field.
4174
4175 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4176
4177         * incremental.cc: Include <cstdarg> and "target-select.h".
4178         (vexplain_no_incremental): New function.
4179         (explain_no_incremental): New function.
4180         (Incremental_binary::error): New method.
4181         (Sized_incremental_binary::do_find_incremental_inputs_section): New
4182         method.
4183         (make_sized_incremental_binary): New function.
4184         (open_incremental_binary): New function.
4185         (can_incrementally_link_file): Add checks if output is ELF and has
4186         inputs section.
4187         * incremental.h: Include "elfcpp_file.h" and "output.h".
4188         (Incremental_binary): New class.
4189         (Sized_incremental_binary): New class.
4190         (open_incremental_binary): Declare.
4191         * object.cc (is_elf_object): Use
4192         elfcpp::Elf_recognizer::is_elf_file.
4193         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
4194         * output.h (Output_file::filesize): New method.
4195
4196 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4197
4198         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
4199         New function.
4200         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
4201         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
4202         function.
4203         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
4204         function.
4205         (Arm_relocate_functions::movw_abs_nc): New function.
4206         (Arm_relocate_functions::movt_abs): New function.
4207         (Arm_relocate_functions::thm_movw_abs_nc): New function.
4208         (Arm_relocate_functions::thm_movt_abs): New function.
4209         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
4210         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
4211         (Scan::global): Likewise.
4212         (Relocate::relocate): Likewise.
4213         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4214
4215 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4216
4217         * arm.cc (Arm_relocate_functions::got_prel) New function.
4218         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
4219         (Relocate::relocate): Likewise.
4220         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4221
4222 2009-10-06  Ian Lance Taylor  <iant@google.com>
4223
4224         * options.h (class General_options): Define
4225         split_stack_adjust_size parameter.
4226         * object.h (class Object): Add uses_split_stack_ and
4227         has_no_split_stack_ fields.  Add uses_split_stack and
4228         has_no_split_stack accessor functions.  Declare
4229         handle_split_stack_section.
4230         (class Reloc_symbol_changes): Define.
4231         (class Sized_relobj): Define Function_offsets.  Declare
4232         split_stack_adjust, split_stack_adjust_reltype, and
4233         find_functions.
4234         * object.cc (Object::handle_split_stack_section): New function.
4235         (Sized_relobj::do_layout): Call handle_split_stack_section.
4236         * dynobj.cc (Sized_dynobj::do_layout): Call
4237         handle_split_stack_section.
4238         * reloc.cc (Sized_relobj::relocate_sections): Call
4239         split_stack_adjust for executable sections in split_stack
4240         objects.  Pass reloc_map to relocate_section.
4241         (Sized_relobj::split_stack_adjust): New function.
4242         (Sized_relobj::split_stack_adjust_reltype): New function.
4243         (Sized_relobj::find_functions): New function.
4244         * target-reloc.h: Include "object.h".
4245         (relocate_section): Add reloc_symbol_changes parameter.  Change
4246         all callers.
4247         * target.h (class Target): Add calls_non_split method.  Declare
4248         do_calls_non_split virtual method.  Declare match_view and
4249         set_view_to_nop.
4250         * target.cc: Include "elfcpp.h".
4251         (Target::do_calls_non_split): New function.
4252         (Target::match_view): New function.
4253         (Target::set_view_to_nop): New function.
4254         * gold.cc (queue_middle_tasks): Give an error if mixing
4255         split-stack and non-split-stack objects with -r.
4256         * i386.cc (Target_i386::relocate_section): Add
4257         reloc_symbol_changes parameter.
4258         (Target_i386::do_calls_non_split): New function.
4259         * x86_64.cc (Target_x86_64::relocate_section): Add
4260         reloc_symbol_changes parameter.
4261         (Target_x86_64::do_calls_non_split): New function.
4262         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
4263         parameter.
4264         * powerpc.cc (Target_powerpc::relocate_section): Add
4265         reloc_symbol_changes parameter.
4266         * sparc.cc (Target_sparc::relocate_section): Add
4267         reloc_symbol_changes parameter.
4268         * configure.ac: Call AM_CONDITIONAL for the default target.
4269         * configure: Rebuild.
4270         * testsuite/Makefile.am (TEST_AS): New variable.
4271         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
4272         (check_DATA): Add split_i386 and split_x86_64 files.
4273         (SPLIT_DEFSYMS): Define.
4274         (split_i386_[1234n].o): New targets.
4275         (split_i386_[124]): New targets.
4276         (split_i386_[1234r].stdout): New targets.
4277         (split_x86_64_[1234n].o): New targets.
4278         (split_x86_64_[124]): New targets.
4279         (split_x86_64_[1234r].stdout): New targets.
4280         (MOSTLYCLEANFILES): Add new executables.
4281         * testsuite/split_i386.sh: New file.
4282         * testsuite/split_x86_64.sh: New file.
4283         * testsuite/split_i386_1.s: New file.
4284         * testsuite/split_i386_2.s: New file.
4285         * testsuite/split_i386_3.s: New file.
4286         * testsuite/split_i386_4.s: New file.
4287         * testsuite/split_i386_n.s: New file.
4288         * testsuite/split_x86_64_1.s: New file.
4289         * testsuite/split_x86_64_2.s: New file.
4290         * testsuite/split_x86_64_3.s: New file.
4291         * testsuite/split_x86_64_4.s: New file.
4292         * testsuite/split_x86_64_n.s: New file.
4293         * testsuite/testfile.cc (Target_test): Update relocation_section
4294         function.
4295         * testsuite/Makefile.in: Rebuild.
4296
4297 2009-10-06  Ian Lance Taylor  <iant@google.com>
4298
4299         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
4300         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
4301         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
4302         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
4303         the address on ldo_addrs_.
4304         (Target_i386::Relocate::fix_up_ldo): New function.
4305
4306 2009-10-06   Rafael Espindola  <espindola@google.com>
4307
4308         * plugin.cc (add_input_library): New.
4309         (Plugin::load): Add add_input_library to tv.
4310         (Plugin_manager::add_input_file): Add the is_lib argument.
4311         (add_input_file): Update call to Plugin_manager::add_input_file.
4312         (add_input_library): New.
4313         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
4314
4315 2009-09-30  Doug Kwan  <dougkwan@google.com>
4316
4317         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
4318         symbol and call Symbol::may_need_copy_reloc to determine if
4319         a copy reloc is needed.
4320         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
4321         nocopyreloc is given in command line.
4322         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
4323         given in command line.
4324         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
4325         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
4326         of the removed Target_i386::may_need_copy_reloc.
4327         * options.h (copyreloc): New option with default value false.
4328         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4329         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
4330         instead of the removed Target_powerpc::may_need_copy_reloc.
4331         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4332         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
4333         instead of the removed Target_sparc::may_need_copy_reloc.
4334         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
4335         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
4336         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
4337         instead of the removed Target_x86_64::may_need_copy_reloc.
4338
4339 2009-09-30  Ian Lance Taylor  <iant@google.com>
4340
4341         * object.h (class Object): Remove target_ field, and target,
4342         sized_target, and set_target methods.
4343         (Object::sized_target): Remove.
4344         (class Sized_relobj): Update declarations.  Remove sized_target.
4345         * object.cc (Sized_relobj::setup): Remove target parameter.
4346         Change all callers.
4347         (Input_objects::add_object): Don't do anything with the target.
4348         (make_elf_sized_object): Add punconfigured parameter.  Change all
4349         callers.  Set or test parameter target.
4350         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
4351         Change all callers.
4352         * parameters.cc (Parameters::set_target): Change parameter type to
4353         be non-const.
4354         (Parameters::default_target): Remove.
4355         (set_parameters_target): Change parameter type to be non-const.
4356         (parameters_force_valid_target): New function.
4357         (parameters_clear_target): New function.
4358         * parameters.h (class Parameters): Update declarations.  Remove
4359         default_target method.  Add sized_target and clear_target
4360         methods.  Change target_ to be non-const.
4361         (set_parameters_target): Update declaration.
4362         (parameters_force_valid_target): Declare.
4363         (parameters_clear_target): Declare.
4364         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
4365         as NULL if we aren't searching.
4366         (Add_symbols::run): Don't check for compatible target.
4367         * fileread.cc (Input_file::open_binary): Call
4368         parameters_force_valid_target.
4369         * gold.cc (queue_middle_tasks): Likewise.
4370         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
4371         set_target on object.
4372         * dynobj.h (class Sized_dynobj): Update declarations.
4373         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
4374         make_elf_object returns NULL.
4375         (Archive::include_member): Don't check whether object target is
4376         compatible.
4377         * output.cc (Output_section::add_input_section): Get target from
4378         parameters.
4379         (Output_section::relax_input_section): Likewise.
4380         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
4381         parameters.
4382         (Sized_relobj::do_scan_relocs): Likewise.
4383         (Sized_relobj::relocate_sections): Likewise.
4384         * resolve.cc (Symbol_table::resolve): Likewise.
4385         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
4386         parameter.  Change all callers.
4387         (Symbol_table::add_from_object): Get target from parameters.
4388         (Symbol_table::add_from_relobj): Don't check object target.
4389         (Symbol_table::add_from_dynobj): Likewise.
4390         (Symbol_table::define_special_symbol): Get target from
4391         parameters.
4392         * symtab.h (class Symbol_table): Update declaration.
4393         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
4394         parameter.  Change all callers.  Clear parameter target.
4395         (Binary_test): Test target here.
4396         * testsuite/object_unittest.cc (gold_testsuite): Remove
4397         target_test_pointer parameter.  Change all callers.
4398         (Object_test): Test target here.
4399
4400 2009-09-26  Ian Lance Taylor  <iant@google.com>
4401
4402         * testsuite/initpri1.c: Don't try to use constructor priorities if
4403         compiling with gcc before 4.3.
4404
4405 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
4406
4407         * testsuite/retain_symbols_file_test.sh (check_present): Change
4408         output file name to retain_symbols_file_test.stdout.
4409         (check_absent): Likewise.
4410
4411 2009-09-18  Craig Silverstein  <csilvers@google.com>
4412
4413         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
4414         * options.cc: Include <cerrno> and <fstream>.
4415         (General_options::finalize): Parse -retain-symbols-file tag.
4416         * options.h: New flag.
4417         (General_options): New method should_retain_symbol, new
4418         variable symbols_to_retain.
4419         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
4420         should_retain_symbol map.
4421         * testsuite/Makefile.am (retain_symbols_file_test): New test.
4422         * testsuite/Makefile.in: Regenerate.
4423         * testsuite/retain_symbols_file_test.sh: New file.
4424
4425 2009-09-18  Nick Clifton  <nickc@redhat.com>
4426
4427         * po/es.po: Updated Spanish translation.
4428
4429 2009-09-17  Doug Kwan  <dougkwan@google.com>
4430
4431         * debug.h (DEBUG_RELAXATION): New constant.
4432         (DEBUG_ALL): Add DEBUG_RELAXATION.
4433         (debug_string_to_enum): Add relaxation debug option.
4434         * layout.cc
4435         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
4436         Layout::Relaxation_debug_check::read_sections,
4437         Layout::Relaxation_debug_check::read_sections): New method definitions.
4438         (Layout::Layout): Initialize data members
4439         record_output_section_data_from_scrips_,
4440         script_output_section_data_list_ and relaxation_debug_check_.
4441         (Layout::save_segments, Layout::restore_segments,
4442         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4443         Layout::relaxation_loop_body): New method definitions.
4444         (Layout::finalize): Support relaxation.  Move section layout code to
4445         Layout::relaxation_loop_body.
4446         (Layout::set_asection_address_from_script): Move code for orphan
4447         section placement out.
4448         (Layout::place_orphan_sections_in_script): New method definition.
4449         * layout.h (Output_segment_headers, Output_file_header):
4450         New forward class declarations.
4451         (Layout::~Layout): Define.
4452         (Layout::new_output_section_data_from_script): New method definition.
4453         (Layout::place_orphan_sections_in_script): New method declaration.
4454         (Layout::Segment_states): New type declaration.
4455         (Layout::save_segments, Layout::restore_segments,
4456         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4457         Layout::relaxation_loop_body): New method declarations.
4458         (Layout::Output_section_data_list): New type declaration.
4459         (Layout::Relaxation_debug_check): New class definition.
4460         (Layout::record_output_section_data_from_script_,
4461         Layout::script_output_section_data_list_, Layout::segment_states_,
4462         Layout::relaxation_debug_check_): New data members.
4463         * output.cc: (Output_section_headers::do_size): New method definition.
4464         (Output_section_headers::Output_section_headers): Move size
4465         computation to Output_section_headers::do_size.
4466         (Output_segment_headers::do_size): New method definition.
4467         (Output_file_header::Output_file_header): Move size computation to
4468         Output_file_header::do_size and call it.
4469         (Output_file_header::do_size): New method definition.
4470         (Output_data_group::Output_data_group): Adjust call to
4471         Output_section_data.
4472         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
4473         (Output_symtab_xindex::do_write): Add array bound check.
4474         (Output_section::Input_section::print_to_mapfile): Handle
4475         RELAXED_INPUT_SECTION_CODE.
4476         (Output_section::Output_section): Initialize data member checkpoint_.
4477         (Output_section::~Output_section): Delete checkpoint object pointed
4478         by checkpoint_.
4479         (Output_section::add_input_section): Always add an Input_section if
4480         relaxing.
4481         (Output_section::add_merge_input_section): Add assert.
4482         (Output_section::relax_input_section): New method definition.
4483         (Output_section::set_final_data_size): Set load address to zero for
4484         an unallocated section.
4485         (Output_section::do_address_and_file_offset_have_reset_values):
4486         New method definition.
4487         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4488         Handle relaxed input section.
4489         (Output_section::sort_attached_input_sections): Checkpoint input
4490         section list lazily.
4491         (Output_section::get_input_sections): Change type of input_sections to
4492         list of Simple_input_section pointers.  Checkpoint input section list
4493         lazily.  Also handle relaxed input sections.
4494         (Output_section::add_input_section_for_script): Take a reference to
4495         a Simple_input_section object instead of Relobj pointer and section
4496         index as parameter.  Handle relaxed input sections.
4497         (Output_section::save_states, Output_section::restore_states): New
4498         method definitions.
4499         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4500         (Output_data::is_data_size_fixed): New method definition.
4501         (Output_data::reset_addresss_and_file_offset): Do not reset data size
4502         if it is fixed.
4503         (Output_data::address_and_file_offset_have_reset_values): New method
4504         definition.
4505         (Output_data::do_address_and_file_offset_have_reset_values): New method
4506         definition.
4507         (Output_data::set_data_size): Check that data size is not fixed.
4508         (Output_data::fix_data_size): New method definition.
4509         (Output_data::is_data_size_fixed_): New data member.
4510         (Output_section_headers::set_final_data_size): New method definition.
4511         (Output_section_headers::do_size): New method declaration.
4512         (Output_segment_headers::set_final_data_size): New method definition.
4513         (Output_segment_headers::do_size): New method declaration.
4514         (Output_file_header::set_final_data_size)::New method definition.
4515         (Output_file_header::do_size)::New method declaration.
4516         (Output_section_data::Output_section_data): Add new parameter
4517         is_data_size_fixed and use it to fix data size.
4518         (Output_data_const::Output_data_const): Adjust call to base class
4519         constructor and fix data size.
4520         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
4521         base class constructor and fix data size.
4522         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
4523         base class constructor and fix data size.
4524         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
4525         class constructor and fix data size.
4526         (Output_data_group::set_final_data_size): New method definition.
4527         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
4528         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
4529         class constructor and fix data size.
4530         (Output_relaxed_input_section): New class definition.
4531         (Output_section::Simple_input_section): New class definition.
4532         (Output_section::get_input_sections): Adjust parameter list.
4533         (Output_section::add_input_section_for_script): Same.
4534         (Output_section::save_states, Output_section::restore_states,
4535         Output_section::do_address_and_file_offset_have_reset_values,
4536         (Output_section::Input_section::Input_section): Handle
4537         RELAXED_INPUT_SECTION_CODE.  Add new overload for
4538         Output_relaxed_input_section.
4539         (Output_section::Input_section::is_input_section,
4540         Output_section::Input_section::set_output_section): Handle relaxed
4541         input section.
4542         (Output_section::Input_section::is_relaxed_input_section,
4543         Output_section::Input_section::output_section_data,
4544         Output_section::Input_section::relaxed_input_section): New method
4545         definitions.
4546         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
4547         value.
4548         (Output_section::Input_section::u1_): Update comments.
4549         (Output_section::Input_section::u2_): Add new union member poris.
4550         (Output_section::Checkpoint_output_section): New classs definition.
4551         (Output_section::relax_input_section): New method declaration.
4552         (Output_section::checkpoint_): New data member.
4553         (Output_segment): Update comments.
4554         (Output_segment::Output_segment): Un-privatize copy constructor.
4555         (Output_segment::operator=): Un-privatize.
4556         * script-sections.cc (Output_section_element::Input_section_list):
4557         Change element type to Output_section::Simple_input_section.
4558         (Output_section_element_dot_assignment::set_section_addresses):
4559         Register output section data for relaxation clean up.
4560         (Output_data_exression::Output_data_expression): Adjust call to base
4561         constructor to fix data size.
4562         (Output_section_element_data::set_section_addresses): Register
4563         Output_data_expression object for relaxation clean up.
4564         (struct Input_section_info): Replace Relobj pointer and section index
4565         pair with Output_section::Simple_input_section and Convert struct to a
4566         class.
4567         (Input_section_sorter::operator()): Adjust access to
4568         Input_section_info data member to use accessors.
4569         (Output_section_element_input::set_section_addresses): Use layout
4570         parameter.  Adjust code to use Output_section::Simple_input_section
4571         and Input_secction_info classes.  Register filler for relaxation
4572         clean up.
4573         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4574         and section index pair with Output_section::Simple_input_section
4575         class.  Adjust code accordingly.
4576         (Phdrs_element::release_segment): New method definition.
4577         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4578         segment list.
4579         (Script_sections::release_segments): New method definition.
4580         * gold/script-sections.h (Script_sections::release_segments): New
4581         method declaration.
4582         * gold/target.h (Target::may_relax, Target::relax,
4583         Target::do_may_relax, Target::do_relax): New method definitions.
4584
4585 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4586
4587         * arm.cc (has_signed_unsigned_overflow): New function.
4588         (Arm_relocate_functions::abs8): New function.
4589         (Target_arm::Scan::local): Handle R_ARM_ABS8.
4590         (Target_arm::Scan::global): Likewise.
4591         (Target_arm::relocate::relocate): Likewise.
4592         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4593         Likewise.
4594
4595 2009-09-16  Cary Coutant  <ccoutant@google.com>
4596
4597         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4598         * testsuite/Makefile.in: Regenerate.
4599
4600 2009-09-11  Nick Clifton  <nickc@redhat.com>
4601
4602         * po/gold.pot: Updated by the Translation project.
4603
4604 2009-09-08  Cary Coutant  <ccoutant@google.com>
4605
4606         * output.cc (Output_file::open): Add execute permission to empty file.
4607         * testsuite/Makefile.am (permission_test): New test.
4608         * testsuite/Makefile.in: Regenerate.
4609
4610 2009-09-02  Ian Lance Taylor  <iant@google.com>
4611
4612         * output.cc (Output_file::resize): Call map_no_anonymous rather
4613         than map.
4614
4615 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
4616
4617         * gold.cc: Include "incremental.h".
4618         (queue_initial_tasks): Call Incremental_checker methods.
4619         * incremental.cc: Include "output.h".
4620         (Incremental_checker::can_incrementally_link_output_file): New
4621         method.
4622         * incremental.h (Incremental_checker): New class.
4623
4624         * output.cc (Output_file::open_for_modification): New method.
4625         (Output_file::map_anonymous): Changed return type to bool.  Record
4626         map in base_ field.
4627         (Output_file::map_no_anonymous): New method, broken out of map.
4628         (Output_file::map): Use map_no_anonymous and map_anonymous.
4629         * output.h (class Output_file): Update declarations.
4630
4631 2009-08-24  Cary Coutant  <ccoutant@google.com>
4632
4633         * options.h (Command_line::Pre_options): New class.
4634         (Command_line::pre_options): New member.
4635         * options.cc (gold::options::ready_to_register): New variable.
4636         (One_option::register_option): Do nothing if not registering options.
4637         Assert if same short option registered twice.
4638         (General_options::General_options): Turn off option registration when
4639         done constructing.
4640         (Command_line::Pre_options::Pre_options): New constructor.
4641
4642 2009-08-24  Cary Coutant  <ccoutant@google.com>
4643
4644         * options.h (General_options::no_keep_memory): Remove incorrect
4645         short option.
4646
4647 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4648
4649         * Makefile.am (am__skiplex, am__skipyacc): New.
4650         * Makefile.in: Regenerate.
4651
4652 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4653
4654         * Makefile.am (AM_CPPFLAGS): Renamed from ...
4655         (INCLUDES): ... this.
4656         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4657         (AM_CPPFLAGS): Renamed from ...
4658         (INCLUDE): ... this.
4659         * Makefile.in, testsuite/Makefile.in: Regenerate.
4660
4661         * Makefile.in: Regenerate.
4662         * aclocal.m4: Likewise.
4663         * config.in: Likewise.
4664         * configure: Likewise.
4665         * testsuite/Makefile.in: Likewise.
4666
4667         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4668         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4669         * Makefile.in: Regenerate.
4670         * testsuite/Makefile.in: Regenerate.
4671
4672 2009-08-19  Cary Coutant  <ccoutant@google.com>
4673
4674         * resolve.cc (Symbol_table::resolve): Don't complain about defined
4675         symbols in shared libraries overridden by hidden or internal symbols
4676         in the main program.
4677
4678 2009-08-19  Chris Demetriou  <cgd@google.com>
4679
4680         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4681         checking source file names in error messages.
4682
4683 2009-08-18  Doug Kwan  <dougkwan@google.com>
4684
4685         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4686         an elcpp::Ehdr as parameter.  Adjust call to set_target.
4687         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4688         an elfcpp::Ehdr as parameter.
4689         * object.cc (Object::set_target): Remove the version that looks up
4690         a target and sets it.
4691         (Sized_relobj::setup): Take a Target object instead of
4692         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
4693         (make_elf_sized_object): Find target and ask target to
4694         make an ELF object.
4695         * object.h: (Object::set_target): Remove the version that looks up
4696         a target and sets it.
4697         (Sized_relobj::setup): Take a Target object instead of
4698         an elfcpp:Ehdr as parameter.
4699         * target.cc: Include dynobj.h.
4700         (Target::do_make_elf_object_implementation): New.
4701         (Target::do_make_elf_object): New.
4702         * target.h (Target::make_elf_object): New template declaration.
4703         (Target::do_make_elf_object): New method declarations.
4704         (Target::do_make_elf_object_implementation): New template declaration.
4705
4706 2009-08-14  Ian Lance Taylor  <iant@google.com>
4707
4708         * gold.h (FUNCTION_NAME): Define.
4709         (gold_unreachable): Use FUNCTION_NAME.
4710
4711 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4712
4713         * icf.cc (Icf::find_identical_sections): Issue a warning when a
4714         symbol in the --keep-unique list is not found.
4715
4716 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4717
4718         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4719         been maked as --keep-unique.
4720         (Icf::unfold_section): New function.
4721         * icf.h (Icf::unfold_section): New function.
4722         * options.h (General_options::keep_unique): New option.
4723         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4724         * testsuite/Makefile.in: Regenerate.
4725         * testsuite/icf_keep_unique_test.sh: New file.
4726         * testsuite/icf_keep_unique_test.cc: New file.
4727
4728 2009-08-12  Cary Coutant  <ccoutant@google.com>
4729
4730         PR 10471
4731         * resolve.cc (Symbol_table::resolve): Check for references from
4732         dynamic objects to hidden and internal symbols.
4733         * testsuite/Makefile.am (hidden_test.sh): New test.
4734         * testsuite/Makefile.in: Regenerate.
4735         * testsuite/hidden_test.sh: New script.
4736         * testsuite/hidden_test_1.c: New test source.
4737         * testsuite/hidden_test_main.c: New test source.
4738
4739 2009-08-11  Doug Kwan  <dougkwan@google.com>
4740
4741         * arm.cc: Update comments.
4742         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4743         segment to locate the .ARM.exidx section if present.
4744
4745 2009-08-09  Doug Kwan  <dougkwan@google.com>
4746
4747         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4748         patch.
4749
4750 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4751         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4752         compiler warnings.
4753
4754 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4755
4756         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4757         valid tls_segment only for non-debug-section relocations.
4758         * testsuite/Makefile.am: Add gc_tls_test.
4759         * testsuite/Makefile.in: Regenerate.
4760         * testsuite/gc_tls_test.cc: New file.
4761         * testsuite/gc_tls_test.sh: New file.
4762
4763 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4764
4765         * icf.cc: New file.
4766         * icf.h: New file.
4767         * Makefile.am (CCFILES): Add icf.cc.
4768         (HFILES): Add icf.h
4769         * Makefile.in: Regenerate.
4770         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4771         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4772         section, symbol and addend information for the relocs.
4773         * gold.cc (queue_middle_tasks): Call identical code folding.
4774         * gold.h: Add defines for multimap.
4775         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4776         to the call of finalize_local_symbols.
4777         * main.cc (main): Create object of class Icf.
4778         * object.cc (Sized_relobj::do_layout): Allow this function to be
4779         called twice during icf.
4780         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4781         to sections marked as identical by icf.
4782         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4783         when available.
4784         (Sized_relobj::do_section_entsize): New function.
4785         * object.h (Object::section_entsize): New function.
4786         (Object::do_section_entsize): New pure virtual function.
4787         (Relobj::finalize_local_symbols): Add new parameter.
4788         (Relobj::do_section_entsize): New function.
4789         * options.h (General_options::icf): New option.
4790         (General_options::icf_iterations): New option.
4791         (General_options::print_icf_sections): New option.
4792         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4793         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4794         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4795         icf.
4796         * symtab.cc (Symbol_table::is_section_folded): New function.
4797         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4798         to sections marked as identical by icf.
4799         * symtab.h (Symbol_table::set_icf): New function.
4800         (Symbol_table::icf): New function.
4801         (Symbol_table::is_section_folded): New function.
4802         (Symbol_table::icf_): New data member.
4803         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4804         * testsuite/Makefile.am: Add commands to build icf_test.
4805         * testsuite/Makefile.in: Regenerate.
4806         * testsuite/icf_test.sh: New file.
4807         * testsuite/icf_test.cc: New file.
4808
4809 2009-07-24  Chris Demetriou  <cgd@google.com>
4810
4811         * layout.cc (is_compressible_debug_section): Fix incorrect
4812         comment about compressed section names.
4813
4814 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4815
4816         PR 10419
4817         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4818
4819 2009-07-16  Ian Lance Taylor  <iant@google.com>
4820
4821         PR 10400
4822         * layout.h: #include <map>.
4823         (class Kept_section): Change from struct to class.  Add accessors
4824         and setters.  Add section size to Comdat_group mapping.  Change
4825         Comdat_group to std::map.  Add is_comdat_ field.  Add
4826         linkonce_size field in union.
4827         (class Layout): Update declaration of find_or_add_kept_section.
4828         Don't declare find_kept_object.
4829         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4830         parameter.  Add object, shndx, is_comdat, and is_group_name
4831         parameters.  Change all callers.  Adjust for new Kept_section.
4832         (Layout::find_kept_object): Remove.
4833         * object.cc (Sized_relobj::include_section_group): Update use of
4834         Kept_section.  Rename secnum to shndx.  Only record
4835         Kept_comdat_section if sections are the same size.
4836         (Sized_relobj::include_linkonce_section): Update use of
4837         Kept_section.  Only record Kept_comdat_section if sections are the
4838         same size.  Set size of linkonce section.
4839         (Sized_relobj::map_to_kept_section): Update call to
4840         get_kept_comdat_section.
4841         * object.h (class Sized_relobj): Rename fields in
4842         Kept_comdat_section to drop trailing underscores; change object
4843         field to Relobj*.  Change Kept_comdat_section_table to store
4844         struct rather than pointer.
4845         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4846         Add kept_object and kept_shndx parameters.  Change all callers.
4847         (Sized_relobj::get_kept_comdat_section): Change return type to
4848         bool.  Add kept_object and kept_shndx parameters.  Change all
4849         callers.
4850         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4851         Layout::find_or_add_kept_section.
4852
4853 2009-07-09  Ian Lance Taylor  <iant@google.com>
4854
4855         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4856         Reserve space in the hash table.
4857
4858 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4859
4860         * fileread.cc (File_read::get_mtime): New method.
4861         * fileread.h (Timespec): New structure.
4862         (File_read::get_mtime): New method.
4863         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4864         Renamed from timestamp_nsec.
4865         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4866         Elf_Xword.
4867         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
4868         timestamp_nsec.
4869         (Incremental_inputs::report_archive): Save mtime; style fix.
4870         (Incremental_inputs::report_obejct): Save mtime; style fix.
4871         (Incremental_inputs::report_script): Save mtime; style fix.
4872         (Incremental_inputs::finalize_inputs): Style fix.
4873         (Incremental_inputs::finalize): Style fix.
4874         (Incremental_inputs::create_input_section_data): Store inputs
4875         mtime.
4876         * incremental.h (Incremental_inputs::report_script): Add mtime
4877         argument.
4878         (Incremental_inputs::Input_info::Input_info): Intialize only one
4879         union member.
4880         (Incremental_inputs::Input_info::archive): Move to nameless
4881         union.
4882         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4883         (Incremental_inputs::Input_info::script): Move to nameless union.
4884         (Incremental_inputs::mtime): New field.
4885         * script.cc (read_input_script): Pass file mtime to
4886         Incremental_input.
4887         * script.h (Script_info::inputs): Style fix.
4888
4889 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4890
4891         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4892         instead of 32.
4893
4894 2009-06-24  Ian Lance Taylor  <iant@google.com>
4895
4896         PR 10156
4897         * layout.cc (Layout::choose_output_section): If we find an
4898         existing section, update the flags.
4899         (Layout::create_notes): New function, broken out of
4900         Layout::finalize.
4901         (Layout::finalize): Don't create note sections.
4902         (Layout::create_note): Don't crash if linker script discards
4903         section.
4904         (Layout::create_gold_note): Likewise.
4905         (Layout::create_build_id): Likewise.  Don't set
4906         after_input_sections on the section.
4907         (Layout::create_executable_stack_info): Remove target parameter.
4908         Change caller.
4909         * layout.h (class Layout): Declare create_notes.  Update
4910         declaration of create_executable_stack_info.
4911         * gold.cc (queue_middle_tasks): Call create_notes.
4912         * output.cc (Output_section::update_flags_for_input_section): Move
4913         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4914         invalid.
4915         * output.h (Output_data::mark_address_invalid): New function.
4916         (class Output_section): Only declare, not define,
4917         update_flags_for_input_section.  Remove set_flags.
4918
4919 2009-06-24  Ian Lance Taylor  <iant@google.com>
4920
4921         * script-sections.cc (Output_section_definition::
4922         set_section_addresses): Rename shadowing local load_address to
4923         laddr.
4924
4925 2009-06-24  Ian Lance Taylor  <iant@google.com>
4926
4927         PR 10244
4928         * reloc.cc (relocate_sections): Skip empty relocation sections.
4929
4930 2009-06-23  Ian Lance Taylor  <iant@google.com>
4931
4932         PR 10156
4933         * layout.cc (Layout::create_note): Use choose_output_section
4934         rather than make_output_section.
4935
4936 2009-06-23  Ian Lance Taylor  <iant@google.com>
4937
4938         PR 10237
4939         * options.cc (General_options::parse_V): Set printed_version_.
4940         (General_options::General_options): Initialize printed_version_.
4941         * options.h (class General_options): Add printed_version_ field.
4942         * gold.cc (queue_initial_tasks): If there are no input files,
4943         don't give a fatal error if we printed the version information.
4944         (queue_middle_tasks): If using -r with a shared object, give a
4945         fatal error rather than an ordinary error.
4946
4947 2009-06-23  Ian Lance Taylor  <iant@google.com>
4948
4949         PR 10219
4950         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4951         (Layout::make_output_section): Set have_stabstr_section_ if we see
4952         a .stab*str section.
4953         (Layout::finalize): Call link_stabs_sections.
4954         (Layout::link_stabs_sections): New file.
4955         * layout.h (class Layout): Add have_stabstr_section_ field.
4956         Declare link_stabs_sections.
4957
4958 2009-06-23  Doug Kwan  <dougkwan@google.com>
4959
4960         * Makefile.am (libgold_a_LIBADD): New.
4961         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4962         * Makefile.in: Regenerate.
4963         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4964         * configure: Regenerate.
4965         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4966         * fileread.cc: Include sys/state.h
4967         * gold.h: Declare memmem and strndup if found missing.
4968         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4969
4970 2009-06-23  Ian Lance Taylor  <iant@google.com>
4971
4972         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4973         * configure: Rebuild.
4974
4975 2009-06-23  Ian Lance Taylor  <iant@google.com>
4976
4977         PR 10147
4978         * object.cc (Object::section_contents): Don't try to get a view if
4979         the section has length zero.
4980         (Object::handle_gnu_warning_section): If the section is empty, use
4981         the name of the section as the warning.
4982
4983 2009-06-23  Ian Lance Taylor  <iant@google.com>
4984
4985         PR 10133
4986         * stringpool.h (class Stringpool_template): Add optimize_ field.
4987         (Stringpool_template::set_optimize): New function.
4988         * stringpool.cc (Stringpool_template::Stringpool_template):
4989         Initialize optimize_ field.
4990         (Stringpool_template::set_string_offsets): Test local optimize
4991         fild rather than parameter.
4992         * layout.cc (Layout::Layout): Call set_optimize on the section
4993         name stringpool.
4994
4995 2009-06-22  Ian Lance Taylor  <iant@google.com>
4996
4997         PR 10030
4998         * yyscript.y: Parse TARGET.
4999         * script.cc (script_set_target): New function.
5000         * script-c.h (script_set_target): Declare.
5001         * options.cc (General_options::string_to_object_format): Rename
5002         from string_to_object_format in anonymous namespace.  Change
5003         callers.
5004         * options.h (class General_options): Declare
5005         string_to_object_format.
5006
5007 2009-06-22  Ian Lance Taylor  <iant@google.com>
5008
5009         * script-sections.cc (Script_sections::create_segments): Don't put
5010         program headers in a PT_LOAD segment if -n or -N.
5011
5012 2009-06-22  Ian Lance Taylor  <iant@google.com>
5013
5014         PR 10141
5015         * options.h (class General_options): Add -z lazy and -z now.  Sort
5016         -z options into alphabetical order.
5017         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
5018
5019 2009-06-21  Ian Lance Taylor  <iant@google.com>
5020
5021         * layout.cc (Layout::make_output_section): Call
5022         Target::new_output_section.
5023         (Layout::attach_allocated_section_to_segment): Put large section
5024         sections in a separate load segment with the large segment flag
5025         set.
5026         (Layout::segment_precedes): Sort large data segments after other
5027         load segments.
5028         (align_file_offset): New static function.
5029         (Layout::set_segment_offsets): Use align_file_offset.
5030         * output.h (class Output_section): Add is_small_section_ and
5031         is_large_section_ fields.
5032         (Output_section::is_small_section): New function.
5033         (Output_section::set_is_small_section):  New function.
5034         (Output_section::is_large_section): New function.
5035         (Output_section::set_is_large_section): New function.
5036         (Output_section::is_large_data_section): New function.
5037         (class Output_segment): Add is_large_data_segment_ field.
5038         (Output_segment::is_large_data_segment): New function.
5039         (Output_segment::set_is_large_data_segment): New function.
5040         * output.cc (Output_section::Output_section): Initialize new
5041         fields.
5042         (Output_segment::Output_segment): Likewise.
5043         (Output_segment::add_output_section): Add assertion that large
5044         data sections always go in large data segments.  Force small data
5045         sections to the end of the list of data sections.  Force small BSS
5046         sections to the start of the list of BSS sections.  For large BSS
5047         sections to the end of the list of BSS sections.
5048         * symtab.h (class Symbol): Declare is_common_shndx.
5049         (Symbol::is_defined): Check Symbol::is_common_shndx.
5050         (Symbol::is_common): Likewise.
5051         (class Symbol_table): Define enum Commons_section_type.  Update
5052         declarations.  Add small_commons_ and large_commons_ fields.
5053         * symtab.cc (Symbol::is_common_shndx): New function.
5054         (Symbol_table::Symbol_table): Initialize new fields.
5055         (Symbol_table::add_from_object): Put small and large common
5056         symbols in the right list.
5057         (Symbol_table::sized_finalized_symbol): Check
5058         Symbol::is_common_shndx.
5059         (Symbol_table::sized_write_globals): Likewise.
5060         * common.cc (Symbol_table::do_allocate_commons): Allocate new
5061         common symbol lists.  Don't call do_allocate_commons_list if the
5062         list is empty.
5063         (Symbol_table::do_allocate_commons_list): Remove is_tls
5064         parameter.  Add comons_section_type parameter.  Change all
5065         callers.  Handle small and large common symbols.
5066         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
5067         Symbol::is_common_shndx.
5068         * resolve.cc (symbol_to_bits): Likewise.
5069         * target.h (Target::small_common_shndx): New function.
5070         (Target::small_common_section_flags): New function.
5071         (Target::large_common_shndx): New function.
5072         (Target::large_common_section_flags): New function.
5073         (Target::new_output_section): New function.
5074         (Target::Target_info): Add small_common_shndx, large_common_shndx,
5075         small_common_section_flags, and large_common_section_flags
5076         fields.
5077         (Target::do_new_output_section): New virtual function.
5078         * arm.cc (Target_arm::arm_info): Initialize new fields.
5079         * i386.cc (Target_i386::i386_info): Likewise.
5080         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
5081         Likewise.
5082         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
5083         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5084         (Target_x86_64::do_new_output_section): New function.
5085         * configure.ac: Define conditional MCMODEL_MEDIUM.
5086         * testsuite/Makefile.am (check_PROGRAMS): Add large.
5087         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
5088         (large_LDFLAGS): Define.
5089         * testsuite/large.c: New file.
5090         * testsuite/testfile.cc (Target_test::test_target_info):
5091         Initialize new fields.
5092         * configure, testsuite/Makefile.in: Rebuild.
5093
5094 2009-06-05  Doug Kwan  <dougkwan@google.com>
5095
5096         * Makefile.am (CCFILES): Add target.cc.
5097         * Makefile.in: Regenerate.
5098         * i386.cc (class Target_i386): Define new virtual method to
5099         override do_is_local_label_name in parent.
5100         * object.cc (Sized_relobj::do_count_local_symbols): Discard
5101         local symbols if --discard-locals or -X is given.
5102         * options.h (class General_options): Declare new options
5103         '--discard-locals' and '-X' for discarding locals.
5104         * target.h (class Target): Define new methods is_local_label_name.
5105         Declare new virtual method do_is_local_label_name.
5106         * target.cc: New file.
5107         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
5108         (check_SCRIPTS): Add discard_locals_test.sh.
5109         (check_DATA): Add discard_local_tests.syms.
5110         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
5111         (discard_local_tests.syms, discard_locals_test.o): New make rules.
5112         * testsuite/Makefile.in: Regenerate.
5113         * testsuite/discard_locals_test.c: New file.
5114         * testsuite/discard_locals_test.sh: Same.
5115
5116 2009-06-05  Doug Kwan  <dougkwan@google.com>
5117
5118         * object.cc (Sized_relobj::Sized_relobj): Initialize
5119         discarded_eh_frame_shndx_ to -1U.
5120         (Sized_relobj::do_layout): Record index of a discard .eh_frame
5121         section.
5122         (Sized_relobj::do_count_local_symbols): Skip local symbols in
5123         a discarded .eh_frame section.
5124         (Sized_relobj::do_finalize_local_symbols): Ditto.
5125         * object.h (class Sized_relobj): Declare new member
5126         discarded_eh_frame_shndx_.
5127         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
5128         (local_labels_test.o, local_labels_test): New rules.
5129         * testsuite/Makefile.in: Regenerate.
5130
5131 2009-06-04  Doug Kwan  <dougkwan@google.com>
5132
5133         * layout.cc (Layout::section_name_mapping): Add mapping for
5134         special ARM sections.
5135
5136 2009-06-03  Doug Kwan  <dougkwan@google.com>
5137
5138         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
5139         (utils::has_overflow): Same.
5140
5141 2009-06-03  Ian Lance Taylor  <iant@google.com>
5142
5143         * layout.cc (Layout::section_name_mapping): New array, replacing
5144         Layout::linkonce_mapping.
5145         (Layout::section_name_mapping_count): New variable, replacing
5146         Layout::linkonce_mapping_count.
5147         (Layout::linkonce_output_name): Remove.
5148         (Layout::output_section_name): Rewrite.
5149         * layout.h (class Layout): Rename Linkonce_mapping to
5150         Section_name_mapping, linkonce_mapping to section_name_mapping,
5151         linkonce_mapping_count to section_name_mapping_count.  Don't
5152         declare linkonce_output_name.
5153
5154 2009-06-03  Doug Kwan  <dougkwan@google.com>
5155
5156         * gold/arm.cc (namespace utils): New.
5157         (Target_arm::reloc_is_non_pic): Define new method.
5158         (class Arm_relocate_functions): New.
5159         (Target_arm::Relocate::relocate): Handle relocation types used by
5160         Android.
5161
5162 2009-06-03  Ian Lance Taylor  <iant@google.com>
5163
5164         * arm.cc (Target_arm::scan::global): Use || instead of |.
5165
5166 2009-06-02  Doug Kwan  <dougkwan@google.com>
5167
5168         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
5169         issued_non_pic_error_.
5170         (class Target_arm::Scan): Declare new method check_non_pic.
5171         Define new method symbol_needs_plt_entry.
5172         Declare new data member issued_non_pic_error_.
5173         (class Target_arm::Relocate): Declare new method
5174         should_apply_static_reloc.
5175         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
5176         (Target_arm::Scan::check_non_pic): Define new method.
5177         (Target_arm::Scan::local): Handle a small subset of reloc types used
5178         by Android.
5179         (Target_arm::Scan::local): Same.
5180         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
5181
5182 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
5183
5184         * incremental.cc (Incremental_inputs::report_command_line): Filter
5185         out --incremental-* options.
5186
5187 2009-05-29  Doug Kwan  <dougkwan@google.com>
5188
5189         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
5190         template class.
5191         (class Target_arm): Update comment.
5192         (Target_arm::Target_arm): Initialize new data members GOT_,
5193         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
5194         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
5195         and Target_arm::rel_dyn_section.
5196         Declare new_enum Target_arm::Got_type.
5197         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
5198         and DYNBSS_.
5199         Update commments for member do_dynsym_value.
5200         (Target_arm::got_size, Target_arm::plt_section,
5201         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
5202         new methods inside class defintion.
5203         (Target_arm::got_section): Define new method.
5204         (Target_arm::rel_dyn_section): Same.
5205         (Output_data_plt_arm): New template class.
5206         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
5207         (Output_data_plt_arm:do_adjust_output_section): Define new method.
5208         (Output_data_plt_arm::add_entry): Same.
5209         (Output_data_plt_arm::first_plt_entry): Define new
5210         static data member for PLT instruction template.
5211         (Output_data_plt_arm::plt_entry): Same.
5212         (Output_data_plt_arm::do_write): Define new method.
5213         (Target_arm::make_plt_entry): Same.
5214         (Target_arm::do_finalize_sections): Same.
5215         (Target_arm::do_dynsym_value): Same.
5216
5217 2009-05-28  Doug Kwan  <dougkwan@google.com>
5218
5219         * Makefile.am (TARGETSOURCES): Add arm.cc.
5220         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
5221         * Makefile.in: Regenerate.
5222         * arm.cc: New file.
5223         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
5224
5225 2009-05-26  Doug Kwan  <dougkwan@google.com>
5226
5227         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
5228         (General_options::check_excluded_libs): Strip off directories in
5229         archive name before matching like GNU ld does.
5230         * testsuite/Makefile.am (MOSTLYCLEANFILES,
5231         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
5232         (exclude_libs_test_LDFLAGS): Add linker option
5233         -Wl,--exclude-libs,libexclude_libs_test_3
5234         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
5235         an explicit archive without using -l.
5236         (alt/libexclude_libs_test_3.a): New make rule.
5237         * testsuite/Makefile.in: Regenerate.
5238         * testsuite/exclude_libs_test.c : Declare lib3_default().
5239         (main): Call it.
5240         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
5241         * exclude_libs_test_3.c: New file.
5242
5243 2009-05-26  Nick Clifton  <nickc@redhat.com>
5244
5245         * po/id.po: New Indonesian translation.
5246         * po/gold.pot: Updated template file.
5247
5248 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
5249
5250         * testsuite/Makefile.am: Add -ffunction-sections to compile
5251         gc_comdat_test files.  Add -Wl,--gc-sections to build
5252         gc_comdat_test.
5253         * testsuite/Makefile.in: Regenerate.
5254         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
5255
5256 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
5257
5258         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
5259         kept comdat section was garbage collected.
5260         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
5261         * testsuite/Makefile.in: Regenerate.
5262         * testsuite/gc_comdat_test.sh: New file.
5263         * testsuite/gc_comdat_test_1.cc: New file.
5264         * testsuite/gc_comdat_test_2.cc: New file.
5265
5266 2009-05-19  Doug Kwan  <dougkwan@google.com>
5267
5268         * archive.cc (Archive::Archive): Move constructor from archive.h
5269         to here.  Initialize no_export_.
5270         (Archive::get_elf_object_for_member): Set no_export flag of object.
5271         * archive.h (Archive::Archive): Move constructor body to
5272         archive.cc.
5273         (Archive::no_export): New method.
5274         (Archive::no_export_): New field.
5275         * object.h (Object::Object): Initialize no_export_ to false.
5276         (Object::no_export, Object::set_no_export): New methods.
5277         (Object::no_export_): New field.
5278         * options.cc (General_options::parse_exclude_libs): New method.
5279         (General_options::check_excluded_libs) Same.
5280         * options.h (exclude_libs): New option.
5281         (General_options::check_excluded_libs): New method declaration.
5282         (General_options::excluded_libs_): New field.
5283         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
5284         default or protected visibility if an object has no-export flag set.
5285         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
5286         (check_SCRIPTS): Add exclude_libs_test.sh.
5287         (check_DATA): Add exclude_libs_test.syms.
5288         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
5289         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
5290         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
5291         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
5292         (exclude_libs_test.syms, libexclude_libs_test_1.a,
5293         libexclude_libs_test_2.a): New rules.
5294         * testsuite/Makefile.in: Regenerate.
5295         * testsuite/exclude_libs_test.c: New file.
5296         * testsuite/exclude_libs_test.sh: Ditto.
5297         * testsuite/exclude_libs_test_1.c: Ditto.
5298         * testsuite/exclude_libs_test_2.c: Ditto.
5299
5300 2009-05-15  Ian Lance Taylor  <iant@google.com>
5301
5302         * configure.ac: Check for declarations for cases where libiberty.h
5303         checks HAVE_DECL_xxx.
5304         * configure, config.in: Rebuild.
5305
5306 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
5307
5308         * gold.h (Incremental_argument_list): Remove (invalid) forward
5309         declaration.
5310         * incremental.cc (Incremental_inputs::report_achive): New method.
5311         (Incremental_inputs::report_object): New method.
5312         (Incremental_inputs::report_script): New method.
5313         (Incremental_inputs::finalize_inputs): New method.
5314         (Incremental_inputs::finalize): Call finalize_inputs().
5315         (Incremental_inputs::sized_create_incremental_inputs_section_data):
5316         Create inputs entries.
5317         * incremental.h (Incremental_input_type): New enum.
5318         (Incremental_inputs::Incremental_input): Initialize new fields.
5319         (Incremental_inputs::report_inputs): New method.
5320         (Incremental_inputs::report_achive): New method.
5321         (Incremental_inputs::report_object): New method.
5322         (Incremental_inputs::report_script): New method.
5323         (Incremental_inputs::finalize_inputs): New method.
5324         (Incremental_inputs::Input_info): New struct.
5325         (Incremental_inputs::Input_info_map): New typedef.
5326         (Incremental_inputs::lock_): New field.
5327         (Incremental_inputs::Inputs_): New field.
5328         (Incremental_inputs::Inputs_map): New field.
5329         * main.cc (main): Call Incremental_input::report_inputs.
5330         * options.h (Input_argument_list): Typedef moved from
5331         Input_arguments.
5332         (Input_file_group::Files): Remove, use ::Input_argument_list.
5333         (Input_file_group::Input_argument_list): Remove, use
5334         ::Input_argument_list.
5335         * plugin.cc (Plugin_manager::add_input_file): Add error in
5336         incremental build.
5337         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
5338         functions.
5339         * script.cc (read_input_script): Call
5340         Incremental_input::report_script.
5341         * script.h (Script_info): New class.
5342
5343 2009-04-27  Ian Lance Taylor  <iant@google.com>
5344
5345         * x86_64.cc (do_adjust_output_section): Set entsize to
5346         plt_entry_size.
5347
5348 2009-04-23  Elliott Hughes  <enh@google.com>
5349
5350         * output.cc (Output_file::close): After short writes, continue
5351         writing from the correct offset in the buffer being written.
5352
5353 2009-04-23  Chris Demetriou  <cgd@google.com>
5354
5355         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
5356         * configure: Regenerate.
5357         * config.in: Regenerate.
5358         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
5359         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
5360
5361 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
5362
5363         * incremental.cc (Incremental_inputs_header_data): Renamed from
5364         Incremental_input_header_data.
5365         (Incremental_inputs_header_data::data_size): New field.
5366         (Incremental_inputs_header_data::put_input_file_count): Renamed
5367         from input_file_count.
5368         (Incremental_inputs_header_data::put_command_line_offset): Renamed
5369         from command_line_offset.
5370         (Incremental_inputs_header_data::put_reserved): Renamed from
5371         put_reserved.
5372         (Incremental_inputs_entry_data): Renamed from
5373         Incremental_input_entry_data.
5374         (Incremental_inputs_entry_data::data_size): New field.
5375         (Incremental_inputs::report_command_line): New method.
5376         (Incremental_inputs::finalize): New method.
5377         (Incremental_inputs::create_incremental_inputs_data): New method.
5378         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
5379         * incremental.h: New file.
5380         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
5381        (Layout::finalize): Create incremental inputs section in
5382         incremental builds.
5383        (Layout::create_incremental_info_sections): New method.
5384         * layout.h (Layout::incremental_inputs): New method.
5385        (Layout::create_incremental_info_sections): New method.
5386        (Layout::incremental_inputs_): New field.
5387         * main.cc (main): Notify Incremental_input of the command line.
5388
5389 2009-04-01  Ian Lance Taylor  <iant@google.com>
5390             Mikolaj Zalewski  <mikolajz@google.com>
5391
5392         * gold.h (reserve_unordered_map): Define, three versions, one for
5393         each version of Unordered_map.
5394         * layout.cc (Layout::Layout): Remove options parameter.  Add
5395         number_of_input_files parameter.  Don't initialize options_.
5396         Initialize number_of_input_files_ and resized_signatures_.  Move
5397         sections_are_attached_.
5398         (Layout::layout_group): Reserve space for group_signatures_.
5399         (Layout::find_or_add_kept_section): Change name parameter to be a
5400         reference.  Resize signatures_ map when it gets large enough.
5401         (Layout::layout_eh_frame): Use parameters->options() instead of
5402         this->options_.
5403         (Layout::make_output_section): Likewise.
5404         (Layout::attach_allocated_section_to_segment): Likewise.
5405         (Layout::finalize, Layout::create_executable_stack): Likewise.
5406         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
5407         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
5408         * layout.h (class Layout): Update declarations.  Remove options_
5409         field.  Add number_of_input_files_ and resized_signatures_
5410         fields.  Move sections_are_attached_ field.
5411         * main.cc (main): Pass number of input files to Layout
5412         constructor.  Don't pass options.
5413
5414 2009-03-30  Ian Lance Taylor  <iant@google.com>
5415
5416         * ffsll.c (ffsll): Correct implementation.
5417
5418 2009-03-27  Ian Lance Taylor  <iant@google.com>
5419
5420         * ffsll.c: New file.
5421         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
5422         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
5423         * ftruncate.c (ftruncate): Declare before definition.
5424         * mremap.c (mremap): Likewise.
5425         * pread.c (pread): Likewise.
5426         * configure, Makefile.in, config.in: Rebuild.
5427
5428         * mremap.c: New file.
5429         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
5430         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
5431         (mremap): Declare if HAVE_MREMAP is not defined.
5432         * configure, Makefile.in, config.in: Rebuild.
5433
5434 2009-03-27  Cary Coutant  <ccoutant@google.com>
5435
5436         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
5437         position independent.
5438         * sparc.cc (Target_sparc::check_non_pic): Likewise.
5439         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
5440
5441 2009-03-24  Cary Coutant  <ccoutant@google.com>
5442
5443         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
5444         an executable.
5445         (needs_dynamic_reloc): Likewise.
5446
5447 2009-03-24  Ian Lance Taylor  <iant@google.com>
5448
5449         * yyscript.y (file_cmd): Recognize EXTERN.
5450         (extern_name_list, extern_name_list_body): New nonterminals.
5451         * script.cc (script_add_extern): Define.
5452         * script-c.h (script_add_extern): Declare.
5453
5454 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
5455
5456         * object.cc (is_elf_object): Define.
5457         * object.h (is_elf_object): Declare.
5458         * archive.cc (Archive::get_elf_object_for_member): Call
5459         is_elf_object.
5460         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
5461
5462 2009-03-24  Elliott Hughes  <enh@google.com>
5463
5464         * output.cc (Output_file::map_anonymous): Define.
5465         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
5466         try an anonymous one.  Report the size if the mmap fails.
5467         * output.h (class Output_file): Declare map_anonymous.
5468
5469 2009-03-24  Ian Lance Taylor  <iant@google.com>
5470
5471         * target-select.cc (instantiate_target): Don't acquire the lock if
5472         the instantiated_target_ field has already been set.
5473
5474 2009-03-23  Ian Lance Taylor  <iant@google.com>
5475
5476         * gold-threads.h (class Initialize_lock): Define.
5477         * gold-threads.cc (class Initialize_lock_once): Define.
5478         (initialize_lock_control): New static variable.
5479         (initialize_lock_pointer): New static variable.
5480         (initialize_lock_once): New static function.
5481         (Initialize_lock::Initialize_lock): Define.
5482         (Initialize_lock::initialize): Define.
5483         * target-select.h: Include "gold-threads.h".
5484         (class Target_selector): Add lock_ and initialize_lock_ fields.
5485         Don't define instantiate_target, just declare it.
5486         * target-select.cc (Target_selector::Target_selector): Initialize
5487         new fields.
5488         (Target_selector::instantiate_target): Define.
5489         * descriptors.h: Include "gold-threads.h".
5490         (class Descriptors): Add initialize_lock_ field.
5491         * descriptors.cc (Descriptors::Descriptors): Initialize new
5492         field.
5493         (Descriptors::open): Use initialize_lock_ field
5494         * errors.h (class Errors): Add initialize_lock_ field.
5495         * errors.cc (Errors::Errors): Initialize new field.
5496         (Errors::initialize_lock): Use initialize_lock_ field.
5497         * powerpc.cc (class Target_selector_powerpc): Remove
5498         instantiated_target_ field.  In do_recognize call
5499         instantiate_target rather than do_instantiate_target.  In
5500         do_instantiate_target just allocate a new target.
5501         * sparc.cc (class Target_selector_sparc): Likewise.
5502
5503         * freebsd.h: New file.
5504         * i386.cc: Include "freebsd.h".
5505         (Target_i386): Derive from Target_freebsd rather than
5506         Sized_target.
5507         (Target_selector_i386): Derive from Target_selector_freebsd rather
5508         than Target_selector.
5509         * x86_64.cc: Include "freebsd.h".
5510         (Target_x86_64): Derive from Target_freebsd rather than
5511         Sized_target.
5512         (Target_selector_x86_64): Derive from Target_selector_freebsd
5513         rather than Target_selector.
5514         * target.h (class Target): Add adjust_elf_header and
5515         do_adjust_elf_header.
5516         * output.cc (Output_file_header:: do_sized_write): Call target
5517         adjust_elf_header routine.
5518         * configure.tgt: Set targ_osabi.
5519         * configure.ac: Define GOLD_DEFAULT_OSABI.
5520         * parameters.cc (Parameters::default_target): Pass
5521         GOLD_DEFAULT_OSABI to select_target.
5522         * target-select.h (class Target_selector): Make instantiate_target
5523         protected rather than private.
5524         * Makefile.am (HFILES): Add freebsd.h.
5525         * configure, Makefile.in, config.in: Rebuild.
5526
5527         * merge.cc (do_add_input_section): Correct pend value.  Change
5528         message about last entry not being null terminated from error to
5529         warning.
5530
5531 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
5532
5533         * incremental.cc: New file.
5534         * Makefile.am (CCFILES): Add incremental.cc.
5535         * Makefile.in: Rebuild.
5536
5537 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
5538
5539         * layout.cc (Layout::output_section_name): Preserve names
5540         of '.note.' sections.
5541
5542 2009-03-19  Ian Lance Taylor  <iant@google.com>
5543
5544         * descriptors.cc (Descriptors::open): Check that the options are
5545         valid before using them.
5546
5547 2009-03-18  Ian Lance Taylor  <iant@google.com>
5548
5549         * script-sections.h: Include <list>.
5550         (class Script_sections): Change Sections_elements from std::vector
5551         to std::list.  Typedef public Elements_iterator.  Add
5552         orphan_section_placement_, data_segment_align_start_, and
5553         saw_data_segment_align_ fields.  Remove data_segment_align_index_
5554         field.
5555         * script-sections.cc (class Orphan_section_placement): New class.
5556         (class Sections_element): Add virtual functions is_relro and
5557         orphan_section_init.  Remove virtual function place_orphan_here.
5558         (class Output_section_definition): Add is_relro and
5559         orphan_section_init.  Remove place_orphan_here.
5560         (class Orphan_output_section): Likewise.
5561         (Script_sections::Script_sections): Update for field changes.
5562         (Script_sections::data_segment_align): Set saw_data_segment_align_
5563         and data_segment_align_start_, not data_segment_align_index.
5564         (Script_sections::data_segment_relro_end): Check
5565         saw_data_segment_align_.  Use data_segment_align_start_ rather
5566         than data_segment_align_index_.
5567         (Script_sections::place_orphan): Rewrite to use
5568         Orphan_section_placement.
5569
5570 2009-03-17  Ian Lance Taylor  <iant@google.com>
5571
5572         * archive.cc (Archive::add_symbols): Check for a version attached
5573         to the symbol name in the archive map.
5574         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5575         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5576         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5577         (ver_test_11.a): New target.
5578         * testsuite/Makefile.in: Rebuild.
5579
5580         * configure.ac: Check for chsize and posix_fallocate.  Replace
5581         ftruncate.
5582         * ftruncate.c: New file, from gnulib.
5583         * output.cc (posix_fallocate): Define dummy version if not
5584         HAVE_POSIX_FALLOCATE.
5585         (Output_file::map): Call posix_fallocate rather than lseek and
5586         write.
5587         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5588         * configure, Makefile.in, config.in: Rebuild.
5589
5590 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
5591
5592         * layout.h (Layout::create_note): Add section_name parameter.
5593         * layout.cc (Layout::create_note): Likewise.
5594         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5595
5596 2009-03-17  Ian Lance Taylor  <iant@google.com>
5597
5598         * descriptors.cc: Include "options.h".
5599         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5600         (Descriptors::open): Always use O_CLOEXEC when opening a new
5601         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
5602         then set FD_CLOEXEC.
5603
5604         * sparc.cc (class Target_sparc): Add has_got_section.
5605         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5606         make sure we have a GOT section.
5607
5608         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5609         (Target_sparc::Scan::local): Likewise.
5610         (Target_sparc::Scan::global): Likewise.
5611         (Target_sparc::Relocate::relocate): Likewise.
5612         (Target_sparc::Relocate::relocate_tls): Likewise.
5613
5614         * symtab.cc (Symbol_table::define_default_version): New function,
5615         broken out of add_from_object.
5616         (Symbol_table::add_from_object): Call define_default_version.
5617         (Symbol_table::define_special_symbol): Add resolve_oldsym
5618         parameter.  Change all callers.  If the version for a symbol comes
5619         from a version script, resolve it with the symbol with the same
5620         name with no version.  Also add the symbol without a version if
5621         appropriate.
5622         (do_define_in_output_data): If resolving with oldsym, don't delete
5623         sym.
5624         (do_define_in_output_segment): Likewise.
5625         (do_define_as_constant): Likewise.
5626         * symtab.h (class Symbol_table): Update declarations.
5627
5628 2009-03-13  Ian Lance Taylor  <iant@google.com>
5629
5630         * readsyms.cc (Read_symbols::incompatible_warning): New function.
5631         (Read_symbols::requeue): New function.
5632         (Read_symbols::do_read_symbols): If make_elf_object fails because
5633         the target type is not configured, and the file was searched for,
5634         issue a warning and retry with the next directory.
5635         (Add_symbols::run): If the file has an incompatible format, and
5636         it was searched for, requeue the Read_symbols task.  On error,
5637         release the object.
5638         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
5639         dirindex parameter to constructor.  Change all callers.  Declare
5640         incompatible_warning and requeue.
5641         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5642         input_argument_ and input_group_ fields.  Add them to
5643         constructor.  Change all callers.
5644         (class Read_script): Add dirindex_ field.  Add it to constructor.
5645         Change all callers.
5646         * archive.cc (Archive::setup): Remove input_objects parameter.
5647         Change all callers.
5648         (Archive::get_file_and_offset): Likewise.
5649         (Archive::read_all_symbols): Likewise.
5650         (Archive::read_symbols): Likewise.
5651         (Archive::get_elf_object_for_member): Remove input_objects
5652         parameter.  Add punconfigured parameter.  Change all callers.
5653         (Archive::add_symbols): Change return type to bool.  Check return
5654         value of include_member.
5655         (Archive::include_all_members): Likewise.
5656         (Archive::include_member): Change return type to bool.  Return
5657         false if first included object has incompatible target.  Set
5658         included_member_ field.
5659         (Add_archive_symbols::run): If add_symbols returns false, requeue
5660         Read_symbols task.
5661         * archive.h (class Archive): Add included_member_ field.
5662         Initialize it in constructor.  Add input_file and searched_for
5663         methods.  Update declarations.
5664         (class Add_archive_symbols): Add dirpath_, dirindex_, and
5665         input_argument_ fields.  Add them to constructor.  Change all
5666         callers.
5667         * script.cc: Include "target-select.h".
5668         (class Parser_closure): Add skip_on_incompatible_target_ and
5669         found_incompatible_target_ fields.  Add
5670         skip_on_incompatible_target parameter to constructor.  Change all
5671         callers.  Add methods skip_on_incompatible_target,
5672         clear_skip_on_incompatible_target, found_incompatible_target, and
5673         set_found_incompatible_target.
5674         (read_input_script): Add dirindex parameter.  Change all callers.
5675         If parser finds an incompatible target, requeue Read_symbols
5676         task.
5677         (script_set_symbol): Clear skip_on_incompatible_target in
5678         closure.
5679         (script_add_assertion, script_parse_option): Likewise.
5680         (script_start_sections, script_add_phdr): Likewise.
5681         (script_check_output_format): New function.
5682         * script.h (read_input_script): Update declaration.
5683         * script-c.h (script_check_output_format): Declare.
5684         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5685         (ignore_cmd): Remove OUTPUT_FORMAT.
5686         * fileread.cc (Input_file::Input_file): Add explicit this.
5687         (Input_file::will_search_for): New function.
5688         (Input_file::open): Add pindex parameter.  Change all callers.
5689         * fileread.h (class Input_file): Add input_file_argument method.
5690         Declare will_search_for.  Update declarations.
5691         * object.cc (make_elf_object): Add punconfigured parameter.
5692         Change all callers.
5693         * object.h (class Object): Make input_file public.  Add
5694         searched_for method.
5695         (make_elf_object): Update declaration.
5696         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
5697         restart search.
5698         * dirsearch.h (class Dirsearch): Update declaration.
5699         * options.h (class General_options): Add --warn-search-mismatch.
5700         * parameters.cc (Parameters::is_compatible_target): New function.
5701         * parameters.h (class Parameters): Declare is_compatible_target.
5702         * workqueue.cc (Workqueue::add_blocker): New function.
5703         * workqueue.h (class Workqueue): Declare add_blocker.
5704
5705         * fileread.cc (Input_file::open): Remove options parameter.
5706         Change all callers.
5707         (Input_file::open_binary): Likewise.
5708         * script.cc (read_input_script): Likewise.
5709         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
5710         options parameter from constructor.  Change all callers.
5711         (class Read_script): Likewise.
5712         * fileread.h (class Input_file): Update declarations.
5713         * script.h (read_input_script): Update declaration.
5714
5715 2009-03-10  Nick Clifton  <nickc@redhat.com>
5716
5717         * po/es.po: New Spanish translation.
5718
5719 2009-03-06  Cary Coutant  <ccoutant@google.com>
5720
5721         * options.cc (parse_short_option): Keep dash_z from registering itself.
5722
5723 2009-03-03  Ian Lance Taylor  <iant@google.com>
5724
5725         PR 9918
5726         * target-reloc.h (relocate_section): Pass output_section to
5727         relocate.
5728         * i386.cc (Target_i386::should_apply_static_reloc): Add
5729         output_section parameter.  Change all callers.
5730         (Target_i386::Relocate::relocate): Add output_section parameter.
5731         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5732         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5733         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5734         * testsuite/two_file_shared.sh: New script.
5735         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5736         (check_DATA): Add two_file_shared.dbg.
5737         (two_file_shared.dbg): New target.
5738         * testsuite/Makefile.in: Rebuild.
5739
5740 2009-03-01  Ian Lance Taylor  <iant@google.com>
5741
5742         * configure.ac: Check for byteswap.h.
5743         * configure: Rebuild.
5744         * config.in: Rebuild.
5745
5746 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5747
5748         * layout.cc (Layout::find_or_add_kept_section): New function.
5749         (Layout::add_comdat): Removed.
5750         * layout.h (struct Kept_section): Move out of class Layout.
5751         Remove trailing underscores from field names.  Add group_sections
5752         field.  Rename group_ field to is_group.  Change all uses.
5753         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5754         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5755         comdat_groups_ field.
5756         (Sized_relobj::include_section_group): Use
5757         find_or_add_kept_section and Kept_section::group_sections.
5758         (Sized_relobj::include_linkonce_section): Likewise.
5759         * object.cc (class Sized_relobj): Don't define Comdat_group or
5760         Comdat_group_table.  Remove find_comdat_group and
5761         add_comdat_group.  Remove comdat_groups_ field.
5762         * plugin.cc (include_comdat_group): Use
5763         Layout::find_or_add_kept_section.
5764
5765 2009-02-28  Ian Lance Taylor  <iant@google.com>
5766
5767         * README: --gc-sections and map files are now supported.  Document
5768         some build requirements.
5769
5770         PR 6992
5771         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5772         relocatable link set the value of the section symbol to zero.
5773         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5774         relocatable link don't include the section address in the local
5775         symbol value.
5776
5777 2009-02-27  Ian Lance Taylor  <iant@google.com>
5778
5779         PR 6811
5780         * options.h (class Search_directory): Add is_system_directory.
5781         (class General_options): Declare is_in_system_directory.
5782         * options.cc (get_relative_sysroot): Make static.
5783         (get_default_sysroot): Make static.
5784         (General_optoins::is_in_system_directory): New function.
5785         * fileread.cc (Input_file::is_in_system_directory): New function.
5786         * fileread.h (class Input_file): Declare is_in_system_directory.
5787         * object.h (class Object): Add is_in_system_directory.
5788         (class Input_objects): Remove system_library_directory_ field.
5789         * object.cc (Input_objects::add_object): Don't set
5790         system_library_directory_.
5791         (input_objects::found_in_system_library_directory): Remove.
5792         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5793         parameter.  Change all callers.
5794         (Symbol_table::sized_write_globals): Likewise.
5795         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5796         Call Object::is_in_system_directory.
5797         * symtab.h (class Symbol_table): Update declarations.
5798
5799         PR 5990
5800         * descriptors.h (Open_descriptor): Add is_on_stack field.
5801         * descriptors.cc (Descriptors::open): If the descriptor is on the
5802         top of the stack, remove it.  Initialize is_on_stack field.
5803         (Descriptors::release): Only add pod to stack if it is not on the
5804         stack already.
5805         (Descriptors::close_some_descriptor): Clear stack_next and
5806         is_on_stack fields.
5807
5808         PR 7091
5809         * output.cc (Output_section::find_starting_output_address): Rename
5810         from starting_output_address; add PADDR parameter; change return
5811         type.
5812         * output.h (class Output_section): Declare
5813         find_starting_output_address instead of starting_output_address.
5814         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5815         section symbol for which we can't find a merge section.
5816
5817         PR 9836
5818         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5819         hidden or internal, force the symbol to be local.
5820         * resolve.cc (Symbol::override_visibility): Define.
5821         (Symbol::override_base): Use override_visibility.
5822         (Symbol_table::resolve): Likewise.
5823         (Symbol::override_base_with_special): Likewise.
5824         (Symbol_table::override_with_special): If the visibility is hidden
5825         or internal, force the symbol to be local.
5826         * symtab.h (class Symbol): Add set_visibility and
5827         override_visibility.
5828         * testsuite/ver_test_1.sh: New file.
5829         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5830         (check_DATA): Add ver_test_1.syms.
5831         (ver_test_1.syms): New target.
5832         * testsuite/Makefile.in: Rebuild.
5833
5834 2009-02-25  Cary Coutant  <ccoutant@google.com>
5835
5836         * layout.cc (Layout::choose_output_section): Don't rename sections
5837         when using a linker script that has a SECTIONS clause.
5838         * Makefile.in: Regenerate.
5839
5840         * testsuite/Makefile.am (script_test_5.sh): New test case.
5841         * testsuite/Makefile.in: Regenerate.
5842         * testsuite/script_test_5.cc: New file.
5843         * testsuite/script_test_5.sh: New file.
5844         * testsuite/script_test_5.t: New file.
5845
5846 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5847
5848         * archive.cc (Archive::include_member): Update calls to add_symbols.
5849         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5850         the Layout argument.
5851         * dynobj.h (do_add_symbols): Add the Layout argument.
5852         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5853         Layout argument.
5854         * object.h (Object::add_symbols): Add the Layout argument.
5855         (Object::do_add_symbols): Add the Layout argument.
5856         (Sized_relobj::do_add_symbols): Add the Layout argument.
5857         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5858         Unify the two versions.
5859         (Add_plugin_symbols): Remove.
5860         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5861         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5862         (Add_plugin_symbols): Remove.
5863         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5864         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5865         (Add_symbols::run): Make it work with Pulginobj.
5866
5867 2009-02-06  Ian Lance Taylor  <iant@google.com>
5868
5869         * object.cc (Sized_relobj::do_layout): Make info message start
5870         with lower case letter.
5871
5872 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5873
5874         * binary.cc: Fix file comment.
5875
5876         * options.h (enum Incremental_disposition): Define.
5877         (class General_options): Add new options: --incremental,
5878         --incremental_changed, --incremental_unchanged,
5879         --incremental_unknown.  Add incremental_disposition_ and
5880         implicit_incremental_ fields.
5881         (General_options::incremental_disposition): New function.
5882         (class Position_dependent_options): Add incremental_disposition
5883         option.
5884         (Position_dependent_options::copy_from_options): Set incremental
5885         dispositions.
5886         * options.cc (General_options::parse_incremental_changed): New
5887         function.
5888         (General_options::parse_incremental_unchanged): New function.
5889         (General_options::parse_incremental_unknown): New function.
5890         (General_options::General_options): Initialize new fields
5891         incremental_disposition_ and implicit_incremental_.
5892         (General_options::finalize): Check for uasge of --incremental-*
5893         without --incremental.
5894
5895 2009-02-06  Chris Demetriou  <cgd@google.com>
5896
5897         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5898         pointer and to report location as the file name associated with
5899         the symbol.
5900         (gold_undefined_symbol_at_location): New function to replace the
5901         old gold_undefined_symbol functionality.
5902         * target-reloc.h (relocate_section): Update to use
5903         gold_undefined_symbol_at_location.
5904         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5905         Call gold_undefined_symbol function rather than gold_error.
5906         * errors.h (Errors::undefined_symbol): Take location as a
5907         string, rather than calculating it from a relocation.
5908         * errors.cc (Errors::fatal): Print "fatal error:" before the
5909         formatted message.
5910         (Errors::error, Errors::error_at_location): Print "error: "
5911         before the formatted message.
5912         (Errors::undefined_symbol): Take location as a string, rather
5913         than calculating it from a relocation.
5914         (gold_undefined_symbol_at_location): New function akin to
5915         old gold_undefined_symbol, calculates location from relocation.
5916         (gold_undefined_symbol): Change to take only a Symbol pointer
5917         and to report location as the file name associated with the symbol.
5918         * testsuite/debug_msg.sh: Update for changed error messages.
5919         * testsuite/undef_symbol.sh: Likewise.
5920
5921 2009-02-04  Duncan Sands  <baldrick@free.fr>
5922
5923         PR 9812
5924         * reduced_debug_output.h
5925         (Output_reduced_debug_abbrev_section::failed): Use format for
5926         gold_warning.
5927         (Output_reduced_debug_info_section::faild): Likewise.
5928
5929 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5930
5931         * script.cc (Lazy_demangler): New class.
5932         (Version_script_info::get_symbol_version_helper): Demangle a
5933         symbol only once.
5934
5935 2009-01-29  Cary Coutant  <ccoutant@google.com>
5936
5937         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5938         to __tls_get_addr.
5939         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5940
5941 2009-01-28  Ian Lance Taylor  <iant@google.com>
5942
5943         * version.cc (version_string): Bump to 1.9.
5944
5945         * gold.h: Include <cstring> and <stdint.h>.
5946         * version.cc: Include <cstdio>.
5947         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5948         warning.
5949         * reduced_debug_output.cc (insert_into_vector): Rename from
5950         Insert_into_vector; change all callers.  Use Swap_unaligned to
5951         avoid aliasing issue; remove union since it is unnecessary.
5952
5953 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5954
5955         * Makefile.am (CCFILES): Add gc.cc.
5956         (HFILES): Add gc.h.
5957         * Makefile.in: Regenerate.
5958         * gold.cc (Gc_runner): New class.
5959         (queue_initial_tasks): Call garbage collection related tasks
5960         when corresponding options are invoked.
5961         (queue_middle_gc_tasks): New function.
5962         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5963         processed early before laying out sections during garbage collection.
5964         * gold.h (queue_middle_gc_tasks): New function.
5965         (is_prefix_of): Move from "layout.cc".
5966         * i386.cc (Target_i386::gc_process_relocs): New function.
5967         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5968         * main.cc (main): Create object of class "Garbage_collection".
5969         * object.cc (Relobj::copy_symbols_data): New function.
5970         (Relobj::is_section_name_included): New function.
5971         (Sized_relobj::do_layout): Allow this function to be called twice
5972         during garbage collection and defer layout of section during the
5973         first call.
5974         * object.h (Relobj::get_symbols_data): New function.
5975         (Relobj::is_section_name_included): New function.
5976         (Relobj::copy_symbols_data): New function.
5977         (Relobj::set_symbols_data): New function.
5978         (Relobj::get_relocs_data): New function.
5979         (Relobj::set_relocs_data): New function.
5980         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5981         (Relobj::gc_process_relocs): New function.
5982         (Relobj::do_gc_process_relocs): New pure virtual function.
5983         (Relobj::sd_): New data member.
5984         (Sized_relobj::is_output_section_offset_invalid): New function.
5985         (Sized_relobj::do_gc_process_relocs): New function.
5986         * options.h (General_options::gc_sections): Modify to not be a no-op.
5987         (General_options::print_gc_sections): New option.
5988         * plugin.cc (Plugin_finish::run): Remove function call to
5989         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5990         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5991         * reloc.cc (Read_relocs::run): Add task to process relocs and
5992         determine unreferenced sections when doing garbage collection.
5993         (Gc_process_relocs): New class.
5994         (Sized_relobj::do_gc_process_relocs): New function.
5995         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5996         sections that are garbage collected.
5997         * reloc.h (Gc_process_relocs): New class.
5998         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5999         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
6000         symbols whose corresponding sections are garbage collected.
6001         (Symbol_table::Symbol_table): Add new parameter for the garbage
6002         collection object.
6003         (Symbol_table::gc_mark_undef_symbols): New function.
6004         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6005         (Symbol_table::gc_mark_dyn_syms): New function.
6006         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
6007         as garbage.
6008         (Symbol_table::add_from_object): Likewise.
6009         (Symbol_table::add_from_relobj): When building shared objects, do not
6010         treat externally visible symbols as garbage.
6011         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
6012         table information for static and relocatable links.
6013         * symtab.h (Symbol_table::set_gc): New function.
6014         (Symbol_table::gc): New function.
6015         (Symbol_table::gc_mark_undef_symbols): New function.
6016         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6017         (Symbol_table::gc_mark_dyn_syms): New function.
6018         (Symbol_table::gc_): New data member.
6019         * target.h (Sized_target::gc_process_relocs): New pure virtual
6020         function.
6021         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
6022         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
6023
6024 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
6025
6026         * options.h (General_options::gc_sections): Define as a no-op for now.
6027         (General_options::no_keep_memory): Ditto.
6028         (General_options::Bshareable): Define.
6029         * options.cc (General_options::finalize): Honor -Bshareable.
6030
6031 2009-01-20  Andreas Schwab  <schwab@suse.de>
6032
6033         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
6034         read the value in the contents, since we don't use it.  Use the
6035         template endianness when writing.
6036         (Relocate::relocate): Use it for R_PPC_REL16_HA.
6037
6038 2009-01-19  Andreas Schwab  <schwab@suse.de>
6039
6040         * configure.tgt (powerpc64-*): Fix targ_obj.
6041
6042 2009-01-15  Ian Lance Taylor  <iant@google.com>
6043
6044         * object.cc (Sized_relobj::write_local_symbols): Don't write out
6045         local symbols when stripping all symbols.
6046
6047 2009-01-14  Cary Coutant  <ccoutant@google.com>
6048
6049         * output.cc (Output_reloc): Add explicit instantiations.
6050
6051 2009-01-14  Cary Coutant  <ccoutant@google.com>
6052
6053         * archive.cc (Archive::get_elf_object_for_member): Remove call
6054         to File_read::claim_for_plugin.
6055         * descriptors.cc (Descriptors::open): Remove reference to
6056         is_claimed.
6057         (Descriptors::claim_for_plugin): Remove.
6058         * descriptors.h (Descriptors::claim_for_plugin): Remove.
6059         (Descriptors::is_claimed): Remove.
6060         (claim_descriptor_for_plugin): Remove.
6061         * fileread.cc (File_read::claim_for_plugin): Remove.
6062         * fileread.h (File_read::claim_for_plugin): Remove.
6063         (File_read::descriptor): Reopen descriptor if necessary.
6064         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
6065         (Plugin_manager::all_symbols_read): Add task parameter. Change
6066         all callers.
6067         (Plugin_manager::get_input_file): New function.
6068         (Plugin_manager::release_input_file): New function.
6069         (Pluginobj::Pluginobj): Add filesize parameter and initialize
6070         corresponding data member.
6071         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
6072         and pass to base constructor. Change all callers.
6073         (get_input_file, release_input_file): New functions.
6074         (make_sized_plugin_object): Add filesize parameter. Change all callers.
6075         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
6076         (Plugin_manager::all_symbols_read): Add task parameter.
6077         (Plugin_manager::get_input_file): New function.
6078         (Plugin_manager::release_input_file): New function.
6079         (Plugin_manager::task_): New data member.
6080         (Pluginobj::Pluginobj): Add filesize parameter.
6081         (Pluginobj::filename): New function.
6082         (Pluginobj::descriptor): New function.
6083         (Pluginobj::filesize): New function.
6084         (Pluginobj::filesize_): New data member.
6085         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
6086         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
6087         File_read::claim_for_plugin; use Object::unlock to unlock the file.
6088
6089         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
6090         with archive libraries.
6091         * testsuite/Makefile.in: Regenerate.
6092         * testsuite/plugin_test.c (struct sym_info): New type.
6093         (get_input_file, release_input_file): New static variables.
6094         (onload): Capture new transfer vector entries.
6095         (claim_file_hook): Stop reading at end of file according to filesize.
6096         Factor out parsing of readelf output into separate function.
6097         (all_symbols_read_hook): Exercise get_input_file and release_input_file
6098         APIs and get the source file name from the symbol table.  Convert
6099         source file name to corresponding object file name.  Print info
6100         message when adding new input files.
6101         (parse_readelf_line): New function.
6102         * testsuite/plugin_test_1.sh: Add checks for new info messages.
6103         * testsuite/plugin_test_2.sh: Likewise.
6104         * testsuite/plugin_test_3.sh: Likewise.
6105         * testsuite/plugin_test_4.sh: New test case.
6106
6107 2009-01-07  Ian Lance Taylor  <iant@google.com>
6108
6109         * version.cc (version_string): Bump to 1.8.
6110
6111 2008-12-23  Cary Coutant  <ccoutant@google.com>
6112
6113         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
6114         * plugin.cc (Plugin_manager::finish): Rename as
6115         layout_deferred_objects.  Move cleanup to separate function.
6116         (Plugin_manager::cleanup): New function.
6117         (Plugin_finish::run): Call layout_deferred_objects and cleanup
6118         separately.
6119         * plugin.h (Plugin_manager::finish): Rename as
6120         layout_deferred_objects.
6121         (Plugin_manager::cleanup): New function.
6122         (Plugin_manager::cleanup_done): New field.
6123
6124 2008-12-23  Cary Coutant  <ccoutant@google.com>
6125
6126         * plugin.cc (is_visible_from_outside): New function.
6127         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
6128         so we don't return "IR only" status for exported symbols or -r links.
6129
6130         * testsuite/Makefile.am (plugin_test_3): New test case.
6131         * testsuite/Makefile.in: Regenerate.
6132         * testsuite/plugin_test_3.sh: New file.
6133
6134 2008-12-22  Cary Coutant  <ccoutant@google.com>
6135
6136         * object.cc (Sized_relobj::layout_section): New function.
6137         (Sized_relobj::do_layout): Defer layout of input sections until after
6138         plugin has provided replacement files.
6139         (Sized_relobj::do_layout_deferred_sections): New function.
6140         * object.h (Relobj::set_section_offset): Remove virtual keyword.
6141         (Relobj::layout_deferred_sections): New function.
6142         (Relobj::do_layout_deferred_sections): New function.
6143         (Sized_relobj::do_layout_deferred_sections): New function.
6144         (Sized_relobj::layout_section): New function.
6145         (Sized_relobj::Deferred_layout): New structure.
6146         (Sized_relobj::deferred_layout_): New field.
6147         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
6148         Change all callers.  Layout deferred sections.
6149         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
6150         references.
6151         (Plugin_hook::run): Move code from do_plugin_hook inline.
6152         (Plugin_hook::do_plugin_hook): Remove.
6153         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
6154         (Plugin_manager::finish): Renamed, was cleanup.
6155         (Plugin_manager::should_defer_layout): New function.
6156         (Plugin_manager::add_deferred_layout_object): New function.
6157         (Plugin_manager::Deferred_layout_list): New type.
6158         (Plugin_manager::deferred_layout_objects_): New field.
6159         (Plugin_hook::do_plugin_hook): Remove.
6160
6161 2008-12-17  Ian Lance Taylor  <iant@google.com>
6162
6163         * options.h (class General_options): Add --no case for
6164         --export-dynamic.
6165
6166 2008-12-16  Cary Coutant  <ccoutant@google.com>
6167
6168         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
6169         vector.
6170         (Plugin_manager::claim_file): Create plugin object even if
6171         plugin did not call the add_symbols callback.
6172         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
6173         asking for more symbols than were added.
6174         * testsuite/Makefile.am (plugin_test_1): Add test case with
6175         no global symbols.
6176         (empty.syms): New target.
6177         * testsuite/Makefile.in: Regenerate.
6178         * testsuite/plugin_test.c (claim_file_hook): Add new debug
6179         message. Don't call add_symbols if no globals.
6180         (all_symbols_read_hook): Don't provide replacement for empty
6181         claimed file.
6182
6183 2008-12-12  Ian Lance Taylor  <iant@google.com>
6184
6185         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
6186         r_type == 0 for a local symbol with r_sym == 0.
6187         (scan_relocatable_relocs): Pass r_sym to
6188         local_non_section_strategy.
6189         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
6190         r_sym parameter.
6191
6192         * configure.ac: Update test for TLS descriptors: they are
6193         supported as of glibc 2.9.
6194         * configure: Rebuild.
6195
6196 2008-12-11  Ian Lance Taylor  <iant@google.com>
6197
6198         PR 7091
6199         * target-reloc.h (Default_scan_relocatable_relocs): For each
6200         function, map r_type == 0 to RELOC_DISCARD.
6201
6202 2008-12-10  Cary Coutant  <ccoutant@google.com>
6203
6204         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
6205         object to override a kept COMDAT group from a plugin object.
6206
6207 2008-12-09  Ian Lance Taylor  <iant@google.com>
6208
6209         PR 7088
6210         * yyscript.y (file_cmd): Handle INPUT.
6211
6212         * testsuite/initpri1.c: Change all declarations to be full
6213         prototypes by adding void, to avoid compiler warnings.
6214
6215 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
6216
6217         * options.cc (General_options::parse_plugin_opt): New.
6218         (General_options::add_plugin): The argument now is just the filename.
6219         (General_options::add_plugin_option): New.
6220         * options.h (plugin_opt): New.
6221         (add_plugin): Change argument name.
6222         (add_plugin_option): New.
6223         * plugin.cc (Plugin::load): Don't parse the plugin option.
6224         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
6225         (Plugin::add_option): New.
6226         (Plugin::args_): Change type.
6227         (Plugin::filename_): New.
6228         (Plugin_manager::add_plugin_option): New.
6229         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
6230         * testsuite/Makefile.in: Regenerate.
6231
6232 2008-12-05  Cary Coutant  <ccoutant@google.com>
6233
6234         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
6235         Handle --strip-lto-sections option.
6236         * options.h (strip_lto_sections): New option.
6237
6238 2008-12-01  Cary Coutant  <ccoutant@google.com>
6239
6240         * plugin.cc (ld_plugin_message): Change format parameter to const.
6241         Fix mismatch between new[] and delete.
6242
6243 2008-11-14  Cary Coutant  <ccoutant@google.com>
6244
6245         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
6246         instead of -1U.
6247
6248 2008-11-05  Craig Silverstein  <csilvers@google.com>
6249
6250         * options.cc (General_options::parse_dynamic_list): New function.
6251         * options.h (General_options): New flags dynamic_list,
6252         dynamic_list_data, dynamic_list_cpp_new, and
6253         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
6254         (General_options::in_dynamic_list): New function.
6255         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
6256         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
6257         (Lex::can_continue_name): Likewise.
6258         (yylex): Likewise.
6259         (read_script_file): New parameter script_options.
6260         (read_dynamic_list): New function.
6261         (Script_options::define_dynamic_list): New function.
6262         (dynamic_list_keyword_parsecodes): New variable.
6263         (dynamic_list_keywords): New variable.
6264         * script.h (Script_options::define_dynamic_list): New function
6265         prototype.
6266         (read_dynamic_list): New function prototype.
6267         * symtab.cc (strprefix): New macro.
6268         (Symbol::should_add_dynsym_entry): Support dynamic_list,
6269         dynamic_list_data, dynamic_list_cpp_new, and
6270         dynamic_list_cpp_typeinfo.
6271         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
6272         (dynamic_list_expr): New rule.
6273         (dynamic_list_nodes): Likewise.
6274         (dynamic_list_node): Likewise.
6275         * testsuite/Makefile.am (dynamic_list): New test.
6276         * testsuite/Makefile.in: Regenerated.
6277         * testsuite/dynamic_list.t: New file.
6278         * testsuite/dynamic_list.sh: New file.
6279
6280 2008-11-05  Craig Silverstein  <csilvers@google.com>
6281
6282         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
6283         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
6284         (t11_last): Likewise.
6285         * testsuite/ver_test_6.c (main): Likewise.
6286
6287 2008-10-07  Cary Coutant  <ccoutant@google.com>
6288
6289         * options.c (General_options::finalize): Add check for -static and
6290         -shared.
6291         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
6292         is not empty.
6293
6294 2008-10-02  Cary Coutant  <ccoutant@google.com>
6295
6296         * plugin.cc (make_sized_plugin_object): Fix conditional
6297         compilation to work when not all targets are enabled.
6298
6299 2008-09-29  Cary Coutant  <ccoutant@google.com>
6300
6301         * archive.cc (Archive::get_file_and_offset): Use filename instead
6302         of name to get library path.
6303         (Archive::include_member): Unlock external member of a thin archive.
6304
6305         * testsuite/Makefile.am (TEST_AR): New variable.
6306         (thin_archive_test_1): New test.
6307         (thin_archive_test_2): New test.
6308         * testsuite/Makefile.in: Regenerate.
6309         * testsuite/thin_archive_main.cc: New file.
6310         * testsuite/thin_archive_test_1.cc: New file.
6311         * testsuite/thin_archive_test_2.cc: New file.
6312         * testsuite/thin_archive_test_3.cc: New file.
6313         * testsuite/thin_archive_test_4.cc: New file.
6314
6315 2008-09-29  Cary Coutant  <ccoutant@google.com>
6316
6317         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
6318         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
6319         instead of -1U.
6320         (Sized_relobj::do_finalize_local_symbols): Likewise.
6321         (Sized_relobj::map_to_kept_section): Likewise.
6322         * object.h (Sized_relobj::invalid_address): New constant.
6323         (Sized_relobj::do_output_section_offset): Check for invalid_address
6324         and return -1ULL.
6325         * output.cc (Output_reloc::local_section_offset): Use constant
6326         invalid_address instead of -1U.
6327         (Output_reloc::get_address): Likewise.
6328         (Output_section::output_address): Change -1U to -1ULL.
6329         * output.h (Output_reloc::invalid_address): New constant.
6330         * reloc.cc (Sized_relobj::write_sections): Use constant
6331         invalid_address instead of -1U.
6332         (Sized_relobj::relocate_sections): Likewise.
6333         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
6334         values for merge sections.
6335         * target-reloc.h (relocate_for_relocatable): Use constant
6336         invalid_address instead of -1U.
6337
6338 2008-09-19  Cary Coutant  <ccoutant@google.com>
6339
6340         Add plugin functionality for link-time optimization (LTO).
6341         * configure.ac (plugins): Add --enable-plugins option.
6342         * configure: Regenerate.
6343         * config.in: Regenerate.
6344         * Makefile.am (LIBDL): New variable.
6345         (CCFILES): Add plugin.cc.
6346         (HFILES): Add plugin.h.
6347         (ldadd_var): Add LIBDL.
6348         * Makefile.in: Regenerate.
6349
6350         * archive.cc: Include "plugin.h".
6351         (Archive::setup): Don't preread archive symbols when using a plugin.
6352         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
6353         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
6354         files.
6355         (Archive::include_member): Add symbols from plugin objects.
6356         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
6357         * descriptors.cc (Descriptors::open): Check for file descriptors
6358         abandoned by plugins.
6359         (Descriptors::claim_for_plugin): New function.
6360         * descriptors.h (Descriptors::claim_for_plugin): New function.
6361         (Open_descriptor::is_claimed): New field.
6362         (claim_descriptor_for_plugin): New function.
6363         * fileread.cc (File_read::claim_for_plugin): New function.
6364         * fileread.h (File_read::claim_for_plugin): New function.
6365         (File_read::descriptor): New function.
6366         * gold.cc: Include "plugin.h".
6367         (queue_initial_tasks): Add task to call plugin hooks for generating
6368         new object files.
6369         * main.cc: Include "plugin.h".
6370         (main): Load plugin libraries.
6371         * object.h (Pluginobj): Declare.
6372         (Object::pluginobj): New function.
6373         (Object::do_pluginobj): New function.
6374         (Object::set_target): New function.
6375         * options.cc: Include "plugin.h".
6376         (General_options::parse_plugin): New function.
6377         (General_options::General_options): Initialize plugins_ field.
6378         (General_options::add_plugin): New function.
6379         * options.h (Plugin_manager): Declare.
6380         (General_options): Add --plugin option.
6381         (General_options::has_plugins): New function.
6382         (General_options::plugins): New function.
6383         (General_options::add_plugin): New function.
6384         (General_options::plugins_): New field.
6385         * plugin.cc: New file.
6386         * plugin.h: New file.
6387         * readsyms.cc: Include "plugin.h".
6388         (Read_symbols::do_read_symbols): Check for archive before checking
6389         for ELF file.  Call plugin hooks to claim files.
6390         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
6391         from a real object file; force override when processing replacement
6392         files.
6393         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
6394         (Symbol::init_base_object): Likewise.
6395         (Symbol::init_base_output_data): Likewise.
6396         (Symbol::init_base_output_segment): Likewise.
6397         (Symbol::init_base_constant): Likewise.
6398         (Symbol::init_base_undefined): Likewise.
6399         (Symbol::output_section): Assert that object is not a plugin.
6400         (Symbol_table::add_from_pluginobj): New function.
6401         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
6402         undefined.
6403         (Symbol_table::sized_write_globals): Likewise.
6404         (Symbol_table::add_from_pluginobj): Instantiate template.
6405         * symtab.h (Sized_pluginobj): Declare.
6406         (Symbol::in_real_elf): New function.
6407         (Symbol::set_in_real_elf): New function.
6408         (Symbol::in_real_elf_): New field.
6409         (Symbol_table::add_from_pluginobj): New function.
6410
6411         * testsuite/Makefile.am (AM_CFLAGS): New variable.
6412         (LIBDL): New variable.
6413         (LDADD): Add LIBDL.
6414         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
6415         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
6416         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
6417         (MOSTLYCLEANFILES): Likewise.
6418         * testsuite/Makefile.in: Regenerate.
6419         * testsuite/plugin_test.c: New file.
6420         * testsuite/plugin_test_1.sh: New file.
6421         * testsuite/plugin_test_2.sh: New file.
6422
6423 2008-09-16  Ian Lance Taylor  <iant@google.com>
6424
6425         * target-reloc.h (relocate_section): Check whether a symbol is
6426         defined by the ABI before reporting an undefined symbol error.
6427         * target.h (Target::is_defined_by_abi): Make parameter const.
6428         (Target::do_is_defined_by_abi): Likewise.
6429         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
6430         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
6431         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
6432         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
6433         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
6434         * testsuite/Makefile.in: Rebuild.
6435
6436         * fileread.cc (make_view): Add casts to avoid warning.
6437
6438 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6439
6440         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
6441         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6442
6443 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6444
6445         * options.h (General_options::output_is_executable): New.
6446         (General_options::output_is_pie): New.
6447         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
6448         for shared libraries.
6449         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6450
6451 2008-09-11  Chris Demetriou  <cgd@google.com>
6452
6453         * options.h (origin): New -z option.
6454         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
6455         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
6456         in DT_FLAGS_1.
6457
6458 2008-09-05  Cary Coutant  <ccoutant@google.com>
6459
6460         * fileread.cc (File_read::make_view): Add check for attempt to map
6461         beyond end of file.
6462
6463 2008-09-05  Cary Coutant  <ccoutant@google.com>
6464
6465         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
6466         explicit instantiations.
6467
6468 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
6469
6470         PR gold/6858
6471         * options.cc (General_options::finalize): Allow undefined symbols
6472         in shlibs if linking -shared.
6473
6474         PR gold/6859
6475         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6476         symbols as not needing a dynsym entry.
6477
6478 2008-08-20  Craig Silverstein  <csilvers@google.com>
6479
6480         * fileread.cc (File_read::open): Do not lock the file unless it
6481         was successfully opened.
6482
6483 2008-08-14  Cary Coutant  <ccoutant@google.com>
6484
6485         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6486         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6487         * testsuite/tls_test.cc (struct int128): 128-bit struct
6488         for testing TLS relocs with non-zero addend.
6489         (v12): New TLS variable.
6490         (t12): New test.
6491         (t_last): Add check for v12.
6492         * testsuite/tls_test.h (t12): New function.
6493         * testsuite/tls_test_main.cc (thread_routine): Call new test.
6494
6495 2008-08-13  Ian Lance Taylor  <iant@google.com>
6496
6497         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6498         set tls_segment_ or relro_segment_.
6499         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6500         when appropriate.
6501         * output.h (Output_section::clear_is_relro): New function.
6502         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6503         sections specially even when output_data_ is empty.
6504         (Output_segment::maximum_alignment): When first section is relro,
6505         only force alignment for PT_LOAD segments.
6506         * script.cc (script_data_segment_align): New function.
6507         (script_data_segment_relro_end): New function.
6508         * script-c.h (script_data_segment_align): Declare.
6509         (script_data_segment_relro_end): Declare.
6510         * script-sections.h (class Script_sections): Declare
6511         data_segment_align and data_segment_relro_end.  Add fields
6512         segment_align_index_ and saw_relro_end_.
6513         * script-sections.cc (class Sections_element): Add set_is_relro
6514         virtual function.  Add new bool* parameter to place_orphan_here.
6515         Add get_output_section virtual function.
6516         (class Output_section_definition): Add set_is_relro.  Add new
6517         bool* parameter to place_orphan_here.  Add get_output_section.
6518         Add is_relro_ field.
6519         (Output_section_definition::Output_section_definition): Initialize
6520         evaluated_address_, evaluated_load_address, evaluated_addralign_,
6521         and is_relro_ fields.
6522         (Output_section_definition::place_orphan_here): Add is_relro
6523         parameter.
6524         (Output_section_definition::set_section_addresses): Set relro for
6525         output section.
6526         (Output_section_definition::alternate_constraint): Likewise.
6527         (class Orphan_output_section): Add new bool* parameter to
6528         place_orphan_here.  Add get_output_section.
6529         (Orphan_output_section::place_orphan_here): Add is_relro
6530         parameter.
6531         (Script_sections::Script_sections): Initialize
6532         data_segment_align_index_ and saw_relro_end_.
6533         (Script_sections::data_segment_align): New function.
6534         (Script_sections::data_segment_relro_end): New function.
6535         (Script_sections::place_orphan): Set or clear is_relro.
6536         (Script_sections::set_section_addresses): Force alignment of first
6537         TLS section.
6538         * yyscript.y (exp): Call script_data_segment_align and
6539         script_data_segment_relro_end.
6540         * testsuite/relro_script_test.t: New file.
6541         * testsuite/relro_test.cc (using_script): Declare.
6542         (t1, t2): Test using_script.
6543         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
6544         (relro_script_test_SOURCES): Define.
6545         (relro_script_test_DEPENDENCIES): Define.
6546         (relro_script_test_LDFLAGS): Define.
6547         (relro_script_test_LDADD): Define.
6548         (relro_script_test.so): New target.
6549         * testsuite/Makefile.in: Rebuild.
6550
6551 2008-08-06  Cary Coutant <ccoutant@google.com>
6552
6553         * archive.cc (Archive::total_archives, Archive::total_members)
6554         (Archive::total_members_loaded): New variables.
6555         (Archive::setup): Add parameter.  Add option to preread
6556         archive symbols.
6557         (Archive::read_armap): Add counter.
6558         (Archive::get_file_and_offset): New function.
6559         (Archive::get_elf_object_for_member): New function.
6560         (Archive::read_all_symbols): New function.
6561         (Archive::read_symbols): New function.
6562         (Archive::add_symbols): Add counters.
6563         (Archive::include_all_members): Use armap to find members if it's
6564         already built.
6565         (Archive::include_member): Skip reading symbols if already read.
6566         Factored code into Archive::get_file_and_offset and
6567         Archive::get_elf_object_for_member.  Changed call to
6568         Mapfile::report_include_archive_member.
6569         (Archive::print_stats): New function.
6570         * archive.h: Declare Object and Read_symbols_data classes.
6571         (Archive::Archive): Add initializers for new members.
6572         (Archive::setup): Add parameter.
6573         (Archive::print_stats): New function.
6574         (Archive::total_archives, Archive::total_members)
6575         (Archive::total_members_loaded): New variables.
6576         (Archive::get_file_and_offset): New function.
6577         (Archive::get_elf_object_for_member): New function.
6578         (Archive::read_all_symbols): New function.
6579         (Archive::read_symbols): New function.
6580         (Archive::Archive_member): New class.
6581         (Archive::members_): New member.
6582         (Archive::num_members_): New member.
6583         * main.cc: Include archive.h.
6584         (main): Call Archive::print_stats.
6585         * mapfile.cc (Mapfile::report_include_archive_member): Delete
6586         archive parameter; member_name is now the fully-decorated name.
6587         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6588         * options.h: (General_options): Add --preread-archive-symbols option.
6589         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6590         Archive::setup.
6591
6592 2008-08-04  Ian Lance Taylor  <iant@google.com>
6593
6594         * symtab.h (Symbol::use_plt_offset): New function.
6595         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6596         * powerpc.cc (Relocate::relocate): Likewise.
6597         * sparc.cc (Relocate::relocate): Likewise.
6598         * x86_64.cc (Relocate::relocate): Likewise.
6599         * testsuite/weak_plt.sh: New test.
6600         * testsuite/weak_plt_main.cc: New test.
6601         * testsuite/weak_plt_shared.cc: New test.
6602         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6603         (check_PROGRAMS): Add weak_plt.
6604         (check_DATA): Add weak_plt_shared.so.
6605         (weak_plt_main_pic.o, weak_plt): New targets.
6606         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6607         * testsuite/Makefile.in: Rebuild.
6608
6609         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6610         gcctestdir/ld.
6611         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6612         * testsuite/Makefile.in: Rebuild.
6613
6614 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
6615
6616         * Makefile.am (POTFILES.in): Set LC_ALL=C.
6617         * Makefile.in: Regenerate.
6618         * po/POTFILES.in: Regenerate.
6619
6620 2008-07-29  Ian Lance Taylor  <iant@google.com>
6621
6622         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6623         symbols before other symbols.
6624         * testsuite/script_test_2.cc (test_addr): Declare.
6625         (test_addr_alias): Declare.
6626         (main): Check that test_addr and test_addr_alias have the right
6627         values.
6628         * testsuite/script_test_2.t: Define test_addr_alias and
6629         test_addr.
6630
6631 2008-07-24  Ian Lance Taylor  <iant@google.com>
6632
6633         PR 5990
6634         * descriptors.cc: New file.
6635         * descriptors.h: New file.
6636         * gold-threads.h (class Hold_optional_lock): New class.
6637         * fileread.cc: Include "descriptors.h".
6638         (File_read::~File_read): Release descriptor rather than closing
6639         it.
6640         (File_read::open) [file]: Call open_descriptor rather than open.
6641         Set is_descriptor_opened_.
6642         (File_read::open) [memory]: Assert that descriptor is not open.
6643         (File_read::reopen_descriptor): New function.
6644         (File_read::release): Release descriptor.
6645         (File_read::do_read): Make non-const.  Reopen descriptor.
6646         (File_read::read): Make non-const.
6647         (File_read::make_view): Reopen descriptor.
6648         (File_read::do_readv): Likewise.
6649         * fileread.h (class File_read): Add is_descriptor_opened_ field.
6650         Update declarations.
6651         * layout.cc: Include "descriptors.h".
6652         (Layout::create_build_id): Use open_descriptor rather than open.
6653         * output.cc: Include "descriptors.h".
6654         (Output_file::open): Use open_descriptor rather than open.
6655         * archive.cc (Archive::const_iterator): Change Archive to be
6656         non-const.
6657         (Archive::begin, Archive::end): Make non-const.
6658         (Archive::count_members): Likewise.
6659         * archive.h (class Archive): Update declarations.
6660         * object.h (Object::read): Make non-const.
6661         * Makefile.am (CCFILES): Add descriptors.cc.
6662         (HFILES): Add descriptors.h.
6663         * Makefile.in: Rebuild.
6664
6665         PR 6716
6666         * gold.h: Always include <clocale>.  Add Solaris workarounds
6667         following code in binutils/sysdep.h.
6668
6669         PR 6048
6670         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6671         this->eh_frame_hdr_ is NULL before using it.
6672
6673         * dynobj.cc (Versions::Versions): Update comment.
6674
6675         * dynobj.cc (Versions::Versions): If there is an soname, use it as
6676         the base version name.
6677
6678         * stringpool.cc (Stringpool_template::add_with_length): Set key to
6679         array size plus one.
6680         (Stringpool_template::set_string_offsets): Subtract one from key
6681         before using it as an array index.
6682         (Stringpool_template::get_offset_with_length): Likewise.
6683         (Stringpool_template::write_to_buffer): Likewise.
6684         * stringpool.h (Stringpool_template::get_offset_from_key):
6685         Likewise.
6686
6687 2008-07-23  Ian Lance Taylor  <iant@google.com>
6688
6689         PR 6658
6690         * object.h (Merged_symbol_value::value): Do our best to handle a
6691         negative addend.
6692
6693         PR 6647
6694         * script.cc (Version_script_info::get_versions): Don't add empty
6695         version tag to return value.
6696         (Version_script_info::get_symbol_version_helper): Change return
6697         type to bool.  Add pversion parameter.  Change all callers.
6698         (script_register_vers_node): Don't require a non-NULL tag.
6699         * script.h (class Version_script_info): Update declarations.
6700         (Version_script_info::get_symbol_version): Change return type to
6701         bool.  Add version parameter.  Change all callers.
6702         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6703         handling.  Handle an empty version from a version script.
6704         (Symbol_table::define_special_symbol): Likewise.
6705         * testsuite/ver_test_10.script: New file.
6706         * testsuite/ver_test_10.sh: New file.
6707         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6708         (check_DATA): Add ver_test_10.syms.
6709         (ver_test_10.syms, ver_test_10.so): New target.
6710         * testsuite/Makefile.in: Rebuild.
6711
6712 2008-07-23  Simon Baldwin  <simonb@google.com>
6713
6714         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6715         to zero for undefined symbols from dynamic libraries.
6716
6717 2008-07-23  Ian Lance Taylor  <iant@google.com>
6718
6719         * symtab.cc (Symbol_table::resolve): Remove version parameter.
6720         Change all callers.
6721         * symtab.h (class Symbol_table): Update declaration.
6722         * testsuite/ver_test_9.cc: New file.
6723         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6724         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6725         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6726         (ver_test_9.so, ver_test_9.o): New targets.
6727         * testsuite/Makefile.in: Rebuild.
6728
6729 2008-07-22  Ian Lance Taylor  <iant@google.com>
6730
6731         * options.h (class General_options): Define --check-sections.
6732         * layout.cc (Layout::set_segment_offsets): Handle
6733         --check-sections.
6734
6735         * options.h (class General_options): Define -n/--nmagic and
6736         -N/--omagic.
6737         * options.cc (General_options::finalize): For -n/--nmagic or
6738         -N/--omagic, set -static.
6739         * layout.cc (Layout::attach_allocated_section_to_segment): If
6740         -N/--omagic, don't put read-only and read-write sections in
6741         different segments.
6742         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6743         finding a read-only segment.
6744         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6745         don't set the minimum segment alignment to the common page size,
6746         and don't set the file offset to the address modulo the page size.
6747         * script-sections.cc (Script_sections::create_segments): If
6748         -n/--omagic, don't put read-only and read-write sections in
6749         different segments.
6750
6751         * cref.cc: New file.
6752         * cref.h: New file.
6753         * options.h (class General_options): Add --print-symbol-counts.
6754         * main.cc (main): Issue defined symbol report if requested.
6755         * archive.cc (Archive::interpret_header): Make into a const member
6756         function.
6757         (Archive::add_symbols): Call Input_objects::archive_start and
6758         archive_stop.
6759         (Archive::const_iterator): Define new class.
6760         (Archive::begin, Archive::end): New functions.
6761         (Archive::include_all_members): Rewrite to use iterator.
6762         (Archive::count_members): New function.
6763         * archive.h (class Archive): Update declarations.
6764         (Archive::filename): New function.
6765         * object.cc: Include "cref.h".
6766         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6767         (Sized_relobj::do_get_global_symbol_counts): New function.
6768         (Input_objects::add_object): Add object to cross-referencer.
6769         (Input_objects::archive_start): New function.
6770         (Input_objects::archive_stop): New function.
6771         (Input_objects::print_symbol_counts): New function.
6772         * object.h: Declare Cref and Archive.
6773         (Object::get_global_symbol_counts): New function.
6774         (Object::do_get_global_symbol_counts): New pure virtual function.
6775         (class Sized_relobj): Add defined_count_ field.  Update
6776         declarations.
6777         (class Input_objects): Add cref_ field.  Update constructor.
6778         Update declarations.
6779         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6780         defined_count_.
6781         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6782         symbol counts.
6783         (Sized_dynobj::do_get_global_symbol_counts): New function.
6784         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6785         defined_count_.  Update declarations.  Define Symbols typedef.
6786         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6787         parameter.  Change all callers.
6788         (Symbol_table::add_from_dynobj): Add sympointers and defined
6789         parameters.  Change all callers.
6790         * symtab.h (class Symbol_table): Update declarations.
6791         * Makefile.am (CCFILES): Add cref.cc.
6792         (HFILES): Add cref.h.
6793         * Makefile.in: Rebuild.
6794
6795 2008-07-22  Simon Baldwin  <simonb@google.com>
6796
6797         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6798         to zero when writing undefined symbols.
6799
6800 2008-07-22  Ian Lance Taylor  <iant@google.com>
6801
6802         * output.cc (Output_section::add_input_section): Don't try to
6803         merge empty merge sections.
6804
6805 2008-07-21  Craig Silverstein  <csilvers@google.com>
6806
6807         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6808         Include symbol version in error message.
6809
6810 2008-07-20  Chris Demetriou  <cgd@google.com>
6811
6812         * configure.ac (gold_cv_c_random_seed): New configured variable.
6813         (RANDOM_SEED_CFLAGS): New substituted variable.
6814         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6815         * configure: Rebuild.
6816         * Makefile.in: Likewise.
6817         * testsuite/Makefile.in: Likewise.
6818
6819 2008-07-18  Ian Lance Taylor  <iant@google.com>
6820
6821         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6822         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6823         * testsuite/ver_test_main.cc (main): Call t4.
6824         (t4, t4_2a): Define.
6825         * testsuite/ver_test_2.cc (t4_2): Define.
6826         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6827         * testsuite/ver_test_4.cc (t4_2a): Define.
6828         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6829         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6830
6831 2008-07-17  Ian Lance Taylor  <iant@google.com>
6832
6833         * dynobj.cc (Versions::add_def): If we give an error about a
6834         missing version, go ahead and create the version anyhow.
6835
6836 2008-07-10  Ian Lance Taylor  <iant@google.com>
6837
6838         Handle output sections with more than 0x7fffffff bytes.
6839         * object.h (class Relobj): Change map_to_output_ to
6840         output_sections_, and just keep a section pointer.  Change all
6841         uses.  Move comdat group support to Sized_relobj.
6842         (Relobj::is_section_specially_mapped): Remove.
6843         (Relobj::output_section): Remove poff parameter.  Change all
6844         callers.
6845         (Relobj::output_section_offset): New function.
6846         (Relobj::set_section_offset): Rewrite.
6847         (Relobj::map_to_output): Remove.
6848         (Relobj::output_sections): New function.
6849         (Relobj::do_output_section_offset): New pure virtual function.
6850         (Relobj::do_set_section_offset): Likewise.
6851         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6852         group support from Relobj.  Update declarations.
6853         (Sized_relobj::get_output_section_offset): New function.
6854         (Sized_relobj::do_output_section_offset): New function.
6855         (Sized_relobj::do_set_section_offset): New function.
6856         * object.cc (Relobj::output_section_address): Remove.
6857         (Sized_relobj::Sized_relobj): Initialize new fields.
6858         (Sized_relobj::include_section_group): Cast find_kept_object to
6859         Sized_relobj.
6860         (Sized_relobj::include_linkonce_section): Likewise.
6861         (Sized_relobj::do_layout): Use separate arrays for output section
6862         and output offset.
6863         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6864         output_sections.
6865         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6866         output_sections and section_offsets.
6867         (Sized_relobj::write_local_symbols): Likewise.
6868         (map_to_kept_section): Compute output address directly.
6869         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6870         output_sections and section_offsets.
6871         (Sized_relobj::write_sections): Likewise.
6872         (Sized_relobj::relocate_sections): Likewise.
6873         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6874         * output.h (class Output_reloc): Update declarations.  Change
6875         u2_.relobj to Sized_relobj*.
6876         (class Output_data_reloc): Change add functions to use
6877         Sized_relobj*.
6878         * output.cc (Output_reloc::Output_reloc): Change relobj to
6879         Sized_relobj*.
6880         (Output_reloc::local_section_offset): Change return type to
6881         Elf_Addr.  Use get_output_section_offset.
6882         (Output_reloc::get_address): Likewise.
6883         (Output_section::is_input_address_mapped): Don't call
6884         is_section_specially_mapped.
6885         (Output_section::output_offset): Likewise.
6886         (Output_section::output_address): Likewise.
6887         (Output_section::starting_output_address): Likewise.
6888         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6889         parameter to Sized_relobj*.
6890         (Copy_relocs::need_copy_reloc): Likewise.
6891         (Copy_relocs::save): Likewise.
6892         * copy-relocs.h (class Copy_relocs): Update declarations.
6893         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6894         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6895         * target-reloc.h (relocate_for_relocatable): Change
6896         offset_in_output_section type to Elf_Addr.  Change code that uses
6897         it as well.
6898         * layout.cc (Layout::layout): Always set *off.
6899         * mapfile.cc (Mapfile::print_input_section): Use
6900         output_section_offset.
6901         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6902         Sized_relobj*.
6903         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6904         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6905         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6906
6907 2008-07-03  Ian Lance Taylor  <iant@google.com>
6908
6909         * layout.cc (Layout::include_section): Do not discard unrecognized
6910         SHT_STRTAB sections.
6911
6912 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6913
6914         * script.cc (Lex::can_continue_name): Make '?' allowable in
6915         version-script names.
6916         * testsuite/version_script.map: Change glob pattern to use '?'
6917
6918 2008-06-30  Manish Singh  <yosh@gimp.org>
6919
6920         PR 6585
6921         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6922         Correct typo.
6923
6924 2008-06-30  Ian Lance Taylor  <iant@google.com>
6925
6926         PR 6660
6927         PR 6682
6928         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6929         versions]: Don't try to read the value in the contents, since we
6930         don't use it.  Use the template endianness when writing.
6931
6932 2008-06-25  Cary Coutant  <ccoutant@google.com>
6933
6934         * fileread.cc (File_read::make_view): Assert on zero-length view.
6935         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6936         symbol table when there are no symbols to read.
6937
6938 2008-06-23  Craig Silverstein  <csilvers@google.com>
6939
6940         * version.cc (version_string): Bump to 1.7
6941
6942 2008-06-18  Craig Silverstein  <csilvers@google.com>
6943
6944         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6945         constant 0xFFFF to type Valtype.
6946         (Powerpc_relocate_functions::rel16_ha): Likewise.
6947
6948 2008-06-17  Ian Lance Taylor  <iant@google.com>
6949
6950         * output.h (Output_section::Input_section): Initialize p2align_ to
6951         zero for Output_section_data constructors.
6952         (Output_section::Input_section::addralign): If not an input
6953         section, return the alignment of the Output_section_data.
6954         * testsuite/copy_test.cc: New file.
6955         * testsuite/copy_test_1.cc: New file.
6956         * testsuite/copy_test_2.cc: New file.
6957         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6958         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6959         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6960         (copy_test_1_pic.o, copy_test_1.so): New targets.
6961         (copy_test_2_pic.o, copy_test_2.so): New targets.
6962         * testsuite/Makefile.in: Rebuild.
6963
6964         * script-sections.cc (Script_sections::place_orphan): Initialize
6965         local variable exact.
6966
6967 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6968
6969         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6970
6971 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6972             David S. Miller  <davem@davemloft.net>
6973
6974         * powerpc.cc: New file.
6975         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6976         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6977         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6978         * Makefile.in: Rebuild.
6979
6980 2008-06-09  Ian Lance Taylor  <iant@google.com>
6981
6982         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6983         <exception>.
6984         (throwing, orig_terminate): New static variables.
6985         (terminate_handler): New static function.
6986         (t2): Set terminate handler.
6987
6988 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6989
6990         PR 6584
6991         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6992         alignment.
6993
6994 2008-05-30  Cary Coutant  <ccoutant@google.com>
6995
6996         * archive.cc (Archive::include_all_members) Correct to step
6997         over symbol table and extended name table in thin archives.
6998
6999 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
7000
7001         PR 6407
7002         * target-reloc.h (relocate_for_relocatable): Fix new_offset
7003         calculation.
7004
7005 2008-05-28  Caleb Howe  <cshowe@google.com>
7006
7007         * reduced_debug_output.cc: New file.
7008         * reduced_debug_output.h: New file.
7009         * options.h (class General_options): Add --strip-debug-non-line.
7010         * options.cc (General_options::finalize): Add strip_debug_non_line
7011         to the strip heirarchy.
7012         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
7013         fields.
7014         * layout.cc: Include "reduced_debug_output.h".
7015         (Layout::Layout): Initialize new fields.
7016         (line_only_debug_sections): New static array.
7017         (is_lines_only_debug_sections): New static inline function.
7018         (Layout::include_section): Handle --strip-debug-non-line.
7019         (Layout::make_output_section): If --strip-debug-non-line, build
7020         new output sections for .debug_abbrev and .debug_info.
7021         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
7022         gold.  Warn about possible overflow.
7023         (read_signed_LEB_128): Likewise.
7024         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
7025         (read_signed_LEB_128): Declare.
7026         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
7027         (HFILES): Add reduced_debug_output.h.
7028         * Makefile.in: Rebuild.
7029
7030 2008-05-21  Ian Lance Taylor  <iant@google.com>
7031
7032         * mapfile.cc: New file.
7033         * mapfile.h: New file.
7034         * options.h (class General_options): Add -M/--print-map and -Map.
7035         * options.cc (General_options::finalize): Make -M equivalent to
7036         -Map -.
7037         * main.cc: Include <cstdio> and "mapfile.h".
7038         (main): Open mapfile if requested.
7039         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
7040         constructor.  Change caller.
7041         (queue_initial_tasks): Add mapfile parameter.  Change caller.
7042         (queue_middle_tasks): Likewise.
7043         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
7044         declarations.
7045         * archive.cc: Include "mapfile.h".
7046         (Archive::add_symbols): Add mapfile parameter.  Change all
7047         callers.  Pass mapfile, symbol, and reason to include_member.
7048         (Archive::include_all_members): Add mapfile parameter.  Change all
7049         callers.
7050         (Archive::include_member): Add mapfile, sym, and why parameters.
7051         Change all callers.  Report inclusion to map file.
7052         * archive.h: Include "fileread.h".
7053         (class Archive): Update declarations.
7054         (Archive::file): New const method.
7055         (class Add_archive_symbols): Add mapfile_ field.  Update
7056         constructor.  Change all callers.
7057         * readsyms.h (class Read_symbols): Likewise.
7058         (class Finish_group): Likewise.
7059         (class Read_script): Likewise.
7060         * common.cc: Include "mapfile.h".
7061         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
7062         all callers.
7063         (Symbol_table::do_allocate_commons): Likewise.
7064         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
7065         symbol allocation to mapfile.
7066         * common.h (class Allocate_commons_task): Add mapfile_ field.
7067         Update constructor.  Change all callers.
7068         * symtab.h (class Symbol_table): Update declarations.
7069         * layout.cc: Include "mapfile.h".
7070         (Layout_task_runner::run): Print information to mapfile.
7071         (Layout::create_gold_note): Change Output_data_fixed_space to
7072         Output_data_zero_fill.
7073         (Layout::create_build_id): Likewise.
7074         (Layout::print_to_mapfile): New function.
7075         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
7076         constructor.  Change caller.
7077         (class Layout): Declare print_to_mapfile.
7078         * output.cc (Output_section::Input_section::print_to_mapfile): New
7079         function.
7080         (Output_section::add_input_section): If producing a map, always
7081         add to input_sections_ list.
7082         (Output_section::do_print_to_mapfile): New function.
7083         (Output_segment::print_sections_to_mapfile): New function.
7084         (Output_segment::print_section_list_to_mapfile): New function.
7085         * output.h: Include "mapfile.h".
7086         (Output_data::print_to_mapfile): New function.
7087         (Output_data::do_print_to_mapfile): New virtual function.
7088         (Output_segment_headers::do_print_to_mapfile): New function.
7089         (Output_file_header::do_print_to_mapfile): New function.
7090         (Output_data_const::do_print_to_mapfile): New function.
7091         (class Output_data_const_buffer): Add map_name_ field.  Update
7092         constructor.  Change all callers.  Add do_print_to_mapfile
7093         function.
7094         (class Output_data_fixed_space): Likewise.
7095         (class Output_data_space): Likewise.
7096         (class Output_data_zero_fill): New class.
7097         (Output_data_strtab::do_print_to_mapfile): New function.
7098         (Output_data_reloc_base::do_print_to_mapfile): New function.
7099         (Output_relocatable_relocs::do_print_to_mapfile): New function.
7100         (Output_data_group::do_print_to_mapfile): New function.
7101         (Output_data_got::do_print_to_mapfile): New function.
7102         (Output_data_dynamic::do_print_to_mapfile): New function.
7103         (Output_symtab_xindex::do_print_to_mapfile): New function.
7104         (class Output_section): Declare do_print_to_mapflie.  Declare
7105         print_to_mapfile in Input_section.
7106         (class Output_segment): Declare new functions.
7107         * object.h (Sized_relobj::symbol_count): New function.
7108         * script-sections.cc
7109         (Output_section_element_dot_assignment::set_section_addresses):
7110         Change Output_data_fixed_space to Output_data_zero_fill.
7111         (Output_data_expression::do_print_to_mapfile): New function.
7112         * script.cc (read_input_script): Add mapfile parameter.  Change
7113         all callers.
7114         * script.h (read_input_script): Update declaration.
7115         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
7116         (Eh_frame::do_print_to_mapfile): New function.
7117         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
7118         (Output_merge_string::do_print_to_mapfile): New function.
7119         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
7120         function.
7121         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
7122         function.
7123         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
7124         function.
7125         * Makefile.am (CCFILES): Add mapfile.cc.
7126         (HFILES): Add mapfile.h.
7127         * Makefile.in: Rebuild.
7128
7129 2008-05-19  Ian Lance Taylor  <iant@google.com>
7130
7131         * options.h (class General_options): Add -z relro.
7132         * layout.cc (Layout::Layout): Initialize relro_segment_.
7133         (Layout::add_output_section_data): Return the output section.
7134         (Layout::make_output_section): Rcognize relro sections and mark
7135         them appropriately.
7136         (Layout::attach_allocated_section_to_segment): Put relro sections
7137         in a PT_GNU_RELRO segment.
7138         (Layout::create_initial_dynamic_sections): Mark the .dynamic
7139         section as relro.
7140         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
7141         PT_TLS segments.
7142         (Layout::linkonce_mapping): Map d.rel.ro.local to
7143         .data.rel.ro.local.
7144         (Layout::output_section_name): Us .data.rel.ro.local for any
7145         section which begins with that.
7146         * layout.h (class Layout): Update add_output_section_data
7147         declaration.  Add relro_segment_ field.
7148         * output.cc (Output_section::Output_section): Initialize is_relro_
7149         and is_relro_local_ fields.
7150         (Output_segment::add_output_section): Group relro sections.
7151         (Output_segment::is_first_section_relro): New function.
7152         (Output_segment::maximum_alignment): If there is a relro section,
7153         align the segment to the common page size.
7154         (Output_segment::set_section_addresses): Track whether we are
7155         looking at relro sections.  If the last section is a relro
7156         section, align to the common page size.
7157         (Output_segment::set_section_list_addresses): Add in_relro
7158         parameter.  Change all callers.  Align to the page size when
7159         moving from relro to non-relro section.
7160         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
7161         segment.
7162         * output.h (class Output_section): Add is_relro_ and
7163         is_relro_local_ fields.
7164         (Output_section::is_relro): New function.
7165         (Output_section::set_is_relro): New function.
7166         (Output_section::is_relro_local): New function.
7167         (Output_section::set_is_relro_local): New function.
7168         (class Output_segment): Update declarations.
7169         * i386.cc (Target_i386::got_section): Mark .got section as relro.
7170         * sparc.cc (Target_sparc::got_section): Likewise.
7171         * x86_64.cc (Target_x86_64::got_section): Likewise.
7172         * testsuite/relro_test_main.cc: New file.
7173         * testsuite/relro_test.cc: New file.
7174         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
7175         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
7176         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
7177         (relro_test.so, relro_test_pic.o): New targets.
7178         * testsuite/Makefile.in: Rebuild.
7179
7180 2008-05-16  Ian Lance Taylor  <iant@google.com>
7181
7182         * output.cc (Output_segment::add_output_section): Remove front
7183         parameter.
7184         * output.h (class Output_segment): Remove
7185         add_initial_output_section and overloaded add_output_section.
7186         Update declaration of remaining add_output_section.
7187         * layout.cc (Layout::create_interp): Call add_output_section
7188         rather than add_initial_output_section.
7189         (Layout::finish_dynamic_section): Likewise.
7190
7191         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
7192         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
7193         know the dynamic type.
7194         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
7195         field.  Initialize it in constructor.
7196         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
7197         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
7198         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
7199         reloc.
7200
7201         * output.cc (Output_reloc::get_address): Change return type to
7202         Elf_Addr.
7203         * output.h (class Output_reloc): Update get_address declaration.
7204         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
7205         for section addresses.
7206
7207 2008-05-09  Ian Lance Taylor  <iant@google.com>
7208
7209         PR 6493
7210         * gold.cc (gold_nomem): Use return value of write.
7211
7212 2008-05-08  Ian Lance Taylor  <iant@google.com>
7213
7214         * symtab.c (Symbol::init_base_output_data): Add version
7215         parameter.  Change all callers.
7216         (Symbol::init_base_output_segment): Likewise.
7217         (Symbol::init_base_constant): Likewise.
7218         (Symbol::init_base_undefined): Likewise.
7219         (Sized_symbol::init_output_data): Likewise.
7220         (Sized_symbol::init_output_segment): Likewise.
7221         (Sized_symbol::init_constant): Likewise.
7222         (Sized_symbol::init_undefined): Likewise.
7223         (Symbol_table::do_define_in_output_data): If the new symbol has a
7224         version, mark it as the default.
7225         (Symbol_table::do_define_in_output_segment): Likewise.
7226         (Symbol_table::do_define_as_constant): Likewise.
7227         * symtab.h (class Symbol): Update declarations.
7228         (class Sized_symbol): Likewise.
7229         * resolve.cc (Symbol::override_version): New function.
7230         (Symbol::override_base): Call override_version.
7231         (Symbol::override_base_with_special): Likewise.
7232         * testsuite/ver_script_8.script: New file.
7233         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
7234         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
7235         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
7236         (ver_test_8_1.so, ver_test_8_2.so): New targets.
7237
7238 2008-05-06  Ian Lance Taylor  <iant@google.com>
7239
7240         PR 6049
7241         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
7242         functions.
7243         (class General_options): Remove existing --undefined, and add
7244         --no-undefined instead.  Add new --undefined as synonym for -u.
7245         * archive.cc (Archive::add_symbols): Check whether symbol was
7246         named with -u.
7247         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
7248         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
7249         all uses.  Add IS_UNDEFINED.  Update declarations to split
7250         different versions of init_base.  Declare init_base_undefined.
7251         (Symbol::is_defined): Handle IS_UNDEFINED.
7252         (Symbol::is_undefined): Likewise.
7253         (Symbol::is_weak_undefined): Call is_undefined.
7254         (Symbol::is_absolute): Handle IS_CONSTANT.
7255         (class Sized_symbol): Update declarations to split different
7256         versions of init.  Declare init_undefined.
7257         (class Symbol_table): Declare new functions.
7258         * symtab.cc (Symbol::init_base_object): Rename from init_base.
7259         Change all callers.
7260         (Symbol::init_base_output_data): Likewise.
7261         (Symbol::init_base_output_segment): Likewise.
7262         (Symbol::init_base_constant): Likewise.
7263         (Symbol::init_base_undefined): New function.
7264         (Sized_symbol::init_object): Rename from init.  Change all
7265         callers.
7266         (Sized_symbol::init_output_data): Likewise.
7267         (Sized_symbol::init_output_segment): Likewise.
7268         (Sized_symbol::init_constant): Likewise.
7269         (Sized_symbol::init_undefined): New function.
7270         (Symbol_table::add_undefined_symbols_from_command_line): New
7271         function.
7272         (Symbol_table::do_add_undefined_symbols_from_command_line): New
7273         function.
7274         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
7275         (Symbol::output_section): Likewise.
7276         (Symbol::set_output_section): Likewise.
7277         (Symbol_table::sized_finalize_symbol): Likewise.
7278         (Symbol_table::sized_write_globals): Likewise.
7279         * resolve.cc (Symbol_table::should_override): Likewise.
7280         (Symbol::override_base_with_special): Likewise.
7281
7282         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
7283         symbol, change it to have default visibility.
7284         * testsuite/protected_1.cc: New file.
7285         * testsuite/protected_2.cc: New file.
7286         * testsuite/protected_3.cc: New file.
7287         * testsuite/protected_main_1.cc: New file.
7288         * testsuite/protected_main_2.cc: New file.
7289         * testsuite/protected_main_3.cc: New file.
7290         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
7291         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
7292         (protected_1_LDFLAGS, protected_1_LDADD): Define.
7293         (protected_1.so): New target.
7294         (protected_1_pic.o, protected_2_pic.o): New targets.
7295         (protected_3_pic.o): New target.
7296         (check_PROGRAMS): Add protected_2.
7297         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
7298         (protected_2_LDFLAGS, protected_2_LDADD): Define.
7299         * testsuite/Makefile.in: Rebuild.
7300
7301         * options.h (DEFINE_var): Add set_user_set_##varname__.
7302         (DEFINE_bool_alias): New macro.
7303         (class General_options): Define -Bstatic using DEFINE_bool_alias
7304         rather than DEFINE_special.  Add --undefined as an alias for -z
7305         defs.
7306         * options.cc (General_options::parse_Bstatic): Remove.
7307
7308         * options.h (class General_options): Add --fatal-warnings.
7309         * main.cc (main): Implement --fatal-warnings.
7310         * errors.h (Errors::warning_count): New function.
7311
7312         * options.h (class General_options): Add -Bsymbolic-functions.
7313         * symtab.h (Symbol::is_preemptible): Check for
7314         -Bsymbolic-functions.
7315
7316 2008-05-05  Ian Lance Taylor  <iant@google.com>
7317
7318         * options.h (DEFINE_bool): For DASH_Z, create the negative option
7319         as noVARNAME rather than no-VARNAME.
7320         (class General_options): Add option -z combreloc.
7321         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
7322         get_address.
7323         (Output_reloc::sort_before) [SHT_REL]: New function.
7324         (Output_reloc::sort_before) [SHT_RELA]: New function.
7325         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
7326         Sort_relocs_comparison.
7327         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
7328         parameter.  Change all callers.
7329         (Output_data_reloc::Output_data_reloc) [both versions]: Add
7330         sort_relocs parameter.  Change all callers.
7331         * output.cc (Output_reloc::get_address): New function, broken out
7332         of write_rel.
7333         (Output_reloc::write_rel): Call it.
7334         (Output_reloc::compare): New function.
7335         (Output_data_reloc_base::do_write): Optionally sort relocs.
7336
7337         * configure.ac: If targ_extra_obj is set, link it in.
7338         * configure.tgt: Initialize all variables.
7339         (x86_64*): Set targ_extra_obj and targ_extra_size.
7340         * configure: Rebuild.
7341
7342         * object.cc (Sized_relobj::include_section_group): Adjust section
7343         indexes read from group data.  Build vector to pass to
7344         layout_group.
7345         * layout.cc (Layout::layout_group): Add flags and shndxes
7346         parameters.  Remove contents parameter.  Change caller.  Update
7347         explicit instantiations.
7348         * layout.h (class Layout): Update layout_group declaration.
7349         * output.cc (Output_data_group::Output_data_group): Add flags and
7350         input_shndxes parameters.  Remove contents parameter.  Change
7351         caller.
7352         (Output_data_group::do_write): Change input_sections_ to
7353         input_shndxes_.
7354         * output.h (class Output_data_group): Update constructor
7355         declaration.  Rename input_sections_ to input_shndxes_.
7356         * testsuite/many_sections_test.cc: Add template.
7357
7358 2008-04-30  Cary Coutant  <ccoutant@google.com>
7359
7360         * target-reloc.h (relocate_section): Fix dead-pointer bug.
7361
7362         * layout.cc (Layout::include_section): Refactored check for debug
7363         info section.
7364         (Layout::add_comdat): Add new parameters.  Change type
7365         of signature parameter.  Add object and shndx to signatures table.
7366         (Layout::find_kept_object): New function.
7367         * layout.h: Include <cstring>.
7368         (Layout::is_debug_info_section): New function.
7369         (Layout::add_comdat): Add new parameters.
7370         (Layout::find_kept_object): New function.
7371         (Layout::Kept_section): New struct.
7372         (Layout::Signatures): Change type of map range.
7373         * object.cc (Relobj::output_section_address): New function.
7374         (Sized_relobj::include_section_group): Add new parameters.  Change
7375         calls to Layout::add_comdat.  Change to build table of kept comdat
7376         groups and table mapping discarded sections to kept sections.
7377         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
7378         (Sized_relobj::do_layout): Change calls to include_section_group and
7379         include_linkonce_section.
7380         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
7381         value to zero when section is discarded.
7382         (Sized_relobj::map_to_kept_section): New function.
7383         * object.h (Relobj::output_section_address): New function.
7384         (Relobj::Comdat_group): New type.
7385         (Relobj::find_comdat_group): New function.
7386         (Relobj::Comdat_group_table): New type.
7387         (Relobj::Kept_comdat_section): New type.
7388         (Relobj::Kept_comdat_section_table): New type.
7389         (Relobj::add_comdat_group): New function.
7390         (Relobj::set_kept_comdat_section): New function.
7391         (Relobj::get_kept_comdat_section): New function.
7392         (Relobj::comdat_groups_): New field.
7393         (Relobj::kept_comdat_sections_): New field.
7394         (Symbol_value::input_value): Update comment.
7395         (Sized_relobj::map_to_kept_section) New function.
7396         (Sized_relobj::include_linkonce_section): Add new parameter.
7397         * target-reloc.h (Comdat_behavior): New type.
7398         (get_comdat_behavior): New function.
7399         (relocate_section): Add code to map a discarded section to the
7400         corresponding kept section when applying a relocation.
7401
7402 2008-04-30  Craig Silverstein  <csilvers@google.com>
7403
7404         * dwarf_reader.cc (next_generation_count): New static var.
7405         (Addr2line_cache_entry): New struct.
7406         (addr2line_cache): New static var.
7407         (Dwarf_line_info::one_addr2line): Added caching.
7408         (Dwarf_line_info::clear_addr2line_cache): New function.
7409         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
7410         cache-size parameter.
7411         (Dwarf_line_info::one_addr2line_cache): New function.
7412         * symtab.cc (Symbol_table::detect_odr_violations): Pass
7413         new cache-size argument to one_addr2line(), and clear cache.
7414
7415 2008-04-28  Cary Coutant  <ccoutant@google.com>
7416
7417         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
7418         R_386_PC8 relocations.
7419
7420 2008-04-23  Ian Lance Taylor  <iant@google.com>
7421
7422         * object.cc (Sized_relobj::include_section_group): Check for
7423         invalid section group.
7424
7425         * object.cc (make_elf_object): Correct test for 64-bit ELF file
7426         header size.
7427
7428         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
7429         than read for file header.
7430         * archive.cc (Archive::include_member): Likewise.
7431
7432 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
7433
7434         * aclocal.m4: Regenerate.
7435         * configure: Regenerate.
7436
7437 2008-04-19  Ian Lance Taylor  <iant@google.com>
7438
7439         * version.cc (version_string): Bump to 1.6.
7440
7441         * testsuite/Makefile.am (many_sections_r_test): New target.
7442         (many_sections_r_test_SOURCES): Remove.
7443         (many_sections_r_test_DEPENDENCIES): Remove.
7444         (many_sections_r_test_LDFLAGS): Remove.
7445         (many_sections_r_test_LDADD): Remove.
7446
7447         * object.cc (Sized_relobj::do_add_symbols): Always pass
7448         local_symbol_count_ to add_from_relobj.
7449
7450         * testsuite/Makefile.am (many_sections_check.h): Only check one in
7451         every thousand variables.
7452         * testsuite/Makefile.in: Rebuild.
7453
7454         * object.cc (Xindex::initialize_symtab_xindex): New function.
7455         (Xindex::read_symtab_xindex): New function.
7456         (Xindex::sym_xindex_to_shndx): New function.
7457         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
7458         available.
7459         (Sized_relobj::do_initialize_xindex): New function.
7460         (Sized_relobj::do_read_symbols): Adjust section links.
7461         (Sized_relobj::symbol_section_and_value): Add is_ordinary
7462         parameter.  Change all callers.
7463         (Sized_relobj::include_section_group): Adjust section links and
7464         symbol section indexes.
7465         (Sized_relobj::do_layout): Adjust section links.
7466         (Sized_relobj::do_count_local_symbols): Adjust section links and
7467         symbol section indexes.
7468         (Sized_relobj::do_finalize_local_symbols): Distinguish between
7469         ordinary and special symbols.
7470         (Sized_relobj::write_local_symbols): Add symtab_xindex and
7471         dynsym_xindex parameters.  Change all callers.  Adjust section
7472         links.  Use SHN_XINDEX when needed.
7473         (Sized_relobj::get_symbol_location_info): Adjust section links.
7474         Don't get fooled by special symbols.
7475         * object.h (class Xindex): Define.
7476         (class Object): Add xindex_ parameter.  Declare virtual functoin
7477         do_initialize_xindex.
7478         (Object::adjust_sym_shndx): New function.
7479         (Object::set_xindex): New protected function.
7480         (class Symbol_value): Add is_ordinary_shndx_ field.
7481         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7482         (Symbol_value::value): Assert ordinary section.
7483         (Symbol_value::initialize_input_to_output_map): Likewise.
7484         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7485         Change all callers.
7486         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
7487         all callers.
7488         (class Sized_relobj): Update declarations.
7489         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7490         parameter.  Change all callers.
7491         (Sized_relobj::adjust_shndx): New function.
7492         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7493         field.
7494         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7495         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
7496         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
7497         (Sized_dynobj::read_dynsym_section): Adjust section links.
7498         (Sized_dynobj::read_dynamic): Likewise.
7499         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
7500         section links.
7501         (Sized_dynobj::do_initialize_xindex): New function.
7502         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
7503         do_initialize_xindex.
7504         (Sized_dynobj::adjust_shndx): New function.
7505         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
7506         dynsym_xindex_ fields.
7507         (Layout::finalize): Add a call to set_section_indexes before
7508         creating the symtab sections.
7509         (Layout::set_section_indexes): Don't do anything if the section
7510         already has a section index.
7511         (Layout::create_symtab_sections): Add shnum parameter.  Change
7512         caller.  Create .symtab_shndx section if needed.
7513         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
7514         caller.
7515         (Layout::allocated_output_section_count): New function.
7516         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
7517         needed.
7518         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
7519         fields.  Update declarations.
7520         (Layout::symtab_xindex): New function.
7521         (Layout::dynsym_xindex): New function.
7522         (class Write_symbols_task): Add layout_ field.
7523         (Write_symbols_task::Write_symbols_task): Add layout parameter.
7524         Change caller.
7525         * output.cc (Output_section_headers::Output_section_headers): Add
7526         shstrtab_section parameter.  Change all callers.
7527         (Output_section_headers::do_sized_write): Store overflow values
7528         for section count and section string table section index in
7529         section header zero.
7530         (Output_file_header::do_sized_write): Check for overflow of
7531         section count and section string table section index.
7532         (Output_symtab_xindex::do_write): New function.
7533         (Output_symtab_xindex::endian_do_write): New function.
7534         * output.h (class Output_section_headers): Add shstrtab_section_.
7535         Update declarations.
7536         (class Output_symtab_xindex): Define.
7537         (Output_section::has_out_shndx): New function.
7538         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
7539         field.
7540         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
7541         Change all callers.
7542         (Sized_symbol::init): Likewise.
7543         (Symbol::output_section): Check for ordinary symbol.
7544         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
7545         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
7546         callers.
7547         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
7548         Change all callers.  Simplify handling of symbols from sections
7549         not included in the link.
7550         (Symbol_table::add_from_dynobj): Handle ordinary symbol
7551         distinction.
7552         (Weak_alias_sorter::operator()): Assert that symbols are
7553         ordinary.
7554         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
7555         distinction.
7556         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
7557         parameters.  Change all callers.
7558         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
7559         symbol distinction.  Use SHN_XINDEX when needed.
7560         (Symbol_table::write_section_symbol): Add symtab_xindex
7561         parameter.  Change all callers.
7562         (Symbol_table::sized_write_section_symbol): Likewise.  Use
7563         SHN_XINDEX when needed.
7564         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
7565         declarations.
7566         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
7567         (Symbol::is_defined): Check is_ordinary.
7568         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7569         (Symbol::is_absolute, Symbol::is_common): Likewise.
7570         (class Sized_symbol): Update declarations.
7571         (class Symbol_table): Update declarations.
7572         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7573         parameters.  Change all callers.
7574         (Sized_symbol::override): Likewise.
7575         (Symbol_table::override): Likewise.
7576         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
7577         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
7578         is_ordinary, and orig_st_shndx parameters.  Change all callers.
7579         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7580         to be in an ordinary section.
7581         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7582         object and is_ordinary parameters.  Change all callers.
7583         (Sized_dwarf_line_info::read_relocs): Add object parameter.
7584         Change all callers.  Don't add undefined or non-ordinary symbols
7585         to reloc_map_.
7586         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7587         Change all callers.
7588         * dwarf_reader.h (class Sized_dwarf_line_info): Update
7589         declarations.
7590         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7591         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7592         (Sized_relobj::relocate_sections): Likewise.
7593         * target-reloc.h (scan_relocs): Adjust section symbol index.
7594         (scan_relocatable_relocs): Likewise.
7595         * i386.cc (Scan::local): Check for ordinary symbols.
7596         * sparc.cc (Scan::local): Likewise.
7597         * x86_64.cc (Scan::local): Likewise.
7598         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7599         to symbol_section_and_value.
7600         * testsuite/many_sections_test.cc: New file.
7601         * testsuite/Makefile.am (BUILT_SOURCES): Define.
7602         (check_PROGRAMS): Add many_sections_test.
7603         (many_sections_test_SOURCES): Define.
7604         (many_sections_test_DEPENDENCIES): Define.
7605         (many_sections_test_LDFLAGS): Define.
7606         (BUILT_SOURCES): Add many_sections_define.h.
7607         (many_sections_define.h): New target.
7608         (BUILT_SOURCES): Add many_sections_check.h.
7609         (many_sections_check.h): New target.
7610         (check_PROGRAMS): Add many_sections_r_test.
7611         (many_sections_r_test_SOURCES): Define.
7612         (many_sections_r_test_DEPENDENCIES): Define.
7613         (many_sections_r_test_LDFLAGS): Define.
7614         (many_sections_r_test_LDADD): Define.
7615         (many_sections_r_test.o): New target.
7616         * testsuite/Makefile.in: Rebuild.
7617
7618 2008-04-17  Cary Coutant  <ccoutant@google.com>
7619
7620         * errors.cc (Errors::info): New function.
7621         (gold_info): New function.
7622         * errors.h (Errors::info): New function.
7623         * gold.h (gold_info): New function.
7624         * object.cc (Input_objects::add_object): Print trace output.
7625         * options.cc (options::parse_set): New function.
7626         (General_options::parse_wrap): Deleted.
7627         (General_options::General_options): Deleted initializer.
7628         * options.h (options::String_set): New typedef.
7629         (options::parse_set): New function.
7630         (DEFINE_set): New macro.
7631         (General_options::wrap): Changed to use DEFINE_set. Changed
7632         callers of any_wrap_symbols and is_wrap_symbol.
7633         (General_options::trace, General_options::trace_symbol):
7634         New options.
7635         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7636         (General_options::wrap_symbols_): Deleted.
7637         * symtab.cc (Symbol_table::add_from_object): Print trace output.
7638
7639 2008-04-17  David S. Miller  <davem@davemloft.net>
7640
7641         * options.cc (General_options::parse_V): New function.
7642         * options.h: Add entries for -V and -Qy.
7643
7644 2008-04-17  Ian Lance Taylor  <iant@google.com>
7645
7646         * common.cc (Symbol_table::allocate_commons): Remove options
7647         parameter.  Change caller.
7648         (Symbol_table::do_allocate_commons): Remove options parameter.
7649         Change caller.  Just call do_allocate_commons_list twice.
7650         (Symbol_table::do_allocate_commons_list): New function, broken out
7651         of do_allocate_commons.
7652         * common.h (class Allocate_commons_task): Remove options_ field.
7653         Update constructor.
7654         * symtab.cc (Symbol_table::Symbol_table): Initialize
7655         tls_commons_.
7656         (Symbol_table::add_from_object): Put TLS common symbols on
7657         tls_commons_ list.
7658         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7659         which are IN_OUTPUT_DATA.
7660         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
7661         allocate_commons and do_allocate_commons declarations.  Declare
7662         do_allocate_commons_list.
7663         * gold.cc (queue_middle_tasks): Update creation of
7664         Allocate_commons_task to not pass options.
7665         * testsuite/Makefile.am (INCLUDES): Add -I.. .
7666         (TLS_TEST_C_FLAGS): New variable.
7667         (tls_test_c_pic.o): New target.
7668         (tls_test_shared.so): Link in tls_test_c_pic.o.
7669         (tls_test_c_pic_ie.o): New target.
7670         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7671         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7672         (tls_test_c.o): New target.
7673         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7674         (tls_pic_test_LDADD): Likewise.
7675         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7676         (tls_shared_gd_to_ie_test_LDADD): Likewise.
7677         (tls_test_c_gnu2.o): New target.
7678         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7679         tls_test_c_gnu2.o.
7680         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7681         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7682         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7683         * testsuite/tls_test.cc: Include "config.h".
7684         (t_last): Call t11_last.
7685         * testsuite/tls_test.h (t11, t11_last): Declare.
7686         * testsuite/tls_test_c.c: New file.
7687         * testsuite/tls_test_main.cc (thread_routine): Call t11.
7688         * configure.ac: Check for OpenMP support.
7689         * configure, config.in, Makefile.in: Rebuild.
7690         * testsuite/Makefile.in: Rebuild.
7691
7692 2008-04-16  Cary Coutant  <ccoutant@google.com>
7693
7694         * i386.cc (Target_i386::define_tls_base_symbol): New function.
7695         (Target_i386::tls_base_symbol_defined_): New field.
7696         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7697         (Target_i386::Scan::global): Likewise.
7698         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7699         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7700         (Target_x86_64::tls_base_symbol_defined_): New field.
7701         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7702         (Target_x86_64::Scan::global): Likewise.
7703
7704 2008-04-16  Cary Coutant  <ccoutant@google.com>
7705
7706         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7707         (Symbol::needs_plt_entry): Allow weak undefined symbols.
7708         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7709         building shared libraries.
7710         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7711         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7712         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7713         * testsuite/Makefile.in: Rebuild.
7714         * testsuite/weak_undef.h: New file.
7715         * testsuite/weak_undef_file1.cc: Add extra test cases.
7716         * testsuite/weak_undef_file2.cc: Likewise.
7717         * testsuite/weak_undef_test.cc: Likewise.
7718
7719 2008-04-16  David S. Miller  <davem@davemloft.net>
7720
7721         * sparc.cc (Target_sparc::Scan): Change from struct to class.
7722         Add issued_non_pic_error_ field.  Declare check_non_pic.
7723         (Target_sparc::Scan::check_non_pic): New function.
7724         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7725         (Target_sparc::Scan::global): Likewise.
7726
7727         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7728         * configure: Rebuild.
7729
7730         * options.h (DEFINE_enable): New macro.
7731         (new_dtags): New enable option.
7732         (initfirst, interpose, loadfltr, nodefaultlib,
7733         nodelete, nodlopen, nodump): New -z options.
7734         * layout.cc (Layout:finish_dynamic_section): If new
7735         dtags enabled, emit DT_RUNPATH.  Also, emit a
7736         DT_FLAGS_1 containing any specified -z flags.
7737
7738 2008-04-16  Ian Lance Taylor  <iant@google.com>
7739
7740         * copy-relocs.cc: New file.
7741         * copy-relocs.h: New file.
7742         * reloc.cc: Remove Copy_relocs code.
7743         * reloc.h: Likewise.
7744         * reloc-types.h (struct Reloc_types) [both versions]: Add
7745         get_reloc_addend_noerror.
7746         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7747         variants of add_global which take an addend which must be zero.
7748         * i386.cc: Include "copy-relocs.h".
7749         (class Target_i386): Change type of copy_relocs_ to variable,
7750         update initializer.
7751         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7752         Change all callers.
7753         (Target_i386::do_finalize_sections): Change handling of
7754         copy_relocs_.
7755         * sparc.cc: Include "copy-relocs.h".
7756         (class Target_sparc): Change type of copy_relocs_ to variable,
7757         update initializer.
7758         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7759         Change all callers.
7760         (Target_sparc::do_finalize_sections): Change handling of
7761         copy_relocs_.
7762         * x86_64.cc: Include "copy-relocs.h".
7763         (class Target_x86_64): Change type of copy_relocs_ to variable,
7764         update initializer.
7765         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7766         class.  Change all callers.
7767         (Target_x86_64::do_finalize_sections): Change handling of
7768         copy_relocs_.
7769         * Makefile.am (CCFILES): Add copy-relocs.cc.
7770         (HFILES): Add copy-relocs.h.
7771
7772         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7773
7774         * testsuite/script_test_4.sh: Permit leading zeroes.
7775
7776 2008-04-15  Ian Lance Taylor  <iant@google.com>
7777
7778         * script-sections.cc (Script_sections::create_segments): Use
7779         header_size_adjustment even when there is enough room for the
7780         headers.
7781         * testsuite/script_test_4.sh: New file.
7782         * testsuite/script_test_4.t: New file.
7783         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7784         (check_DATA): Add script_test_4.stdout.
7785         (MOSTLYCLEANFILES): Likewise.
7786         (script_test_4): New target.
7787         (script_test_4.stdout): New target.
7788         * testsuite/Makefile.in: Rebuild.
7789
7790         * sparc.cc: Add definitions for Output_data_plt_sparc class
7791         constants.
7792
7793 2008-04-14  David S. Miller  <davem@davemloft.net>
7794
7795         * sparc.cc: New file.
7796         * Makefile.am (TARGETSOURCES): Add sparc.cc
7797         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7798         * configure.tgt: Document targ_extra_size and
7799         targ_extra_big_endian.  Add entries for sparc-* and
7800         sparc64-*.
7801         * configure.ac: Handle targ_extra_size and
7802         targ_extra_big_endian.
7803         * Makefile.in: Rebuild.
7804         * configure: Likewise.
7805         * po/POTFILES.in: Likewise.
7806         * po/gold.pot: Likewise.
7807
7808 2008-04-14  Ian Lance Taylor  <iant@google.com>
7809
7810         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7811         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7812         in the name/type/flags to section mapping.  Don't call
7813         allocate_output_section.
7814         (Layout::choose_output_section): Change parameter from adjust_name
7815         to is_input_section.  Don't permit input sections after sections
7816         are attached to segments.  Don't call allocate_output_section.
7817         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7818         not write_enable_output_section.
7819         (Layout::make_output_section): Don't push to
7820         unattached_section_list_ nor call attach_to_segment.  Call
7821         attach_section_to_segment if sections are attached.
7822         (Layout::attach_sections_to_segments): New function.
7823         (Layout::attach_section_to_segment): New function.
7824         (Layout::attach_allocated_section_to_segment): Rename from
7825         attach_to_segment.  Remove flags parameter.
7826         (Layout::allocate_output_section): Remove function.
7827         (Layout::write_enable_output_section): Remove function.
7828         * layout.h (class Layout): Update for above changes.  Add new
7829         field sections_are_attached_.
7830         * output.h (Output_section::update_flags_for_input_section): New
7831         function.
7832         * output.cc (Output_section::add_input_section): Call
7833         update_flags_for_input_section.
7834         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7835
7836 2008-04-11  Cary Coutant  <ccoutant@google.com>
7837
7838         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7839         thought unnecessary.
7840         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7841
7842 2008-04-11  Ian Lance Taylor  <iant@google.com>
7843
7844         * output.h (class Output_section_data): Remove inline definition
7845         of set_addralign.
7846         * output.cc (Output_section_data::set_addralign): New function.
7847
7848 2008-04-11  Cary Coutant  <ccoutant@google.com>
7849
7850         Add support for TLS descriptors for i386 and x86_64.
7851         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7852         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7853         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7854         GOT_TYPE_TLS_DESC.
7855         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7856         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7857         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7858         relocations.
7859         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7860         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7861         Fix problem with initial-exec relocations.
7862         (Target_i386::Relocate::relocate_tls): Likewise.
7863         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7864         relaxation.
7865         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7866         support for section-plus-offset dynamic table entries.
7867         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7868         (Output_data_dynamic::Dynamic_entry): Add support for
7869         section-plus-offset dynamic table entries.
7870         (Output_data_dynamic::Classification): Likewise.
7871         (Output_data_dynamic::classification_): Renamed offset_.
7872         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7873         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7874         (Target_x86_64::make_plt_section): New function.
7875         (Target_x86_64::reserve_tlsdesc_entries): New function.
7876         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7877         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7878         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7879         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7880         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7881         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7882         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7883         add extra PLT entry for TLS descriptors.
7884         (Output_data_plt_x86_64::got_): New field.
7885         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7886         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7887         fields.
7888         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7889         descriptors.
7890         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7891         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7892         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7893         R_386_TLS_DESC_CALL relocations.
7894         (Target_x86_64::Scan::global): Likewise.
7895         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7896         for TLS descriptors.
7897         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7898         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7899         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7900         GD-to-IE relaxation.
7901         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7902         and TLS_DESCRIPTORS.
7903         * Makefile.in: Rebuild.
7904         * configure: Rebuild.
7905         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7906         (tls_test_shared2.so): New target.
7907         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7908         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7909         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7910         (tls_shared_gd_to_ie_test_LDADD): New variable.
7911         (tls_shared_gnu2_gd_to_ie_test): New target.
7912         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7913         New targets.
7914         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7915         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7916         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7917         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7918         (tls_shared_gnu2_test): New target.
7919         (tls_test_gnu2_shared.so): New target.
7920         (tls_shared_gnu2_test_SOURCES): New variable.
7921         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7922         (tls_shared_gnu2_test_LDFLAGS): New variable.
7923         (tls_shared_gnu2_test_LDADD): New variable.
7924         * testsuite/Makefile.in: Rebuild.
7925         * testsuite/Makefile.
7926
7927 2008-04-11  Ian Lance Taylor  <iant@google.com>
7928
7929         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7930         justsyms.t.
7931         * testsuite/Makefile.in: Rebuild.
7932
7933         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7934         long.
7935         * testsuite/script_test_2.cc (main): Adjust test.
7936
7937 2008-04-11  David S. Miller  <davem@davemloft.net>
7938             Ian Lance Taylor  <iant@google.com>
7939
7940         * options.h (General_options): Add entries for '-Y' and
7941         '-relax'.
7942         * options.cc (General_options:finalize): If -Y was used, add those
7943         entries to the library path instead of the default "/lib" and
7944         "/usr/lib".
7945
7946 2008-04-11  David S. Miller  <davem@davemloft.net>
7947
7948         * testsuite/justsyms.t: Start at 0x100.
7949         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7950         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7951         long.
7952         * testsuite/script_test_2.cc: Adjust string and section length
7953         checks.
7954
7955 2008-04-09  Ian Lance Taylor  <iant@google.com>
7956
7957         PR gold/5996
7958         * script-sections.cc (Sections_element::allocate_to_segment): Add
7959         orphan parameter.
7960         (Output_section_definition::allocate_to_segment): Likewise.
7961         (Orphan_output_section::allocate_to_segment): Likewise.
7962         (Script_sections::attach_sections_using_phdrs_clause): Don't
7963         propagate non-PT_LOAD segments to orphan sections.
7964         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7965         readelf rather than objdump.
7966         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7967         .interp section and PT_INTERP segment are the same size.
7968         * testsuite/Makefile.in: Rebuild.
7969
7970         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7971         aliases for symbols defined in the same object.
7972         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7973         (weak_alias_test_SOURCES): New variable.
7974         (weak_alias_test_DEPENDENCIES): New variable.
7975         (weak_alias_test_LDFLAGS): New variable.
7976         (weak_alias_test_LDADD): New variable.
7977         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7978         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7979         (weak_alias_test_3.o): New target.
7980         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7981         * testsuite/weak_alias_test_main.cc: New file.
7982         * testsuite/weak_alias_test_1.cc: New file.
7983         * testsuite/weak_alias_test_2.cc: New file.
7984         * testsuite/weak_alias_test_3.cc: New file.
7985
7986 2008-04-08  Ian Lance Taylor  <iant@google.com>
7987
7988         * options.h (class General_options): Add --noinhibit-exec option.
7989         * main.cc (main): Check --noinhibit-exec.
7990
7991         * options.h (class General_options): Define --wrap as a special
7992         option.  Add wrap_symbols_ field.
7993         (General_options::any_wrap_symbols): New function.
7994         (General_options::is_wrap_symbol): New function.
7995         * options.cc (General_options::parse_wrap): New function.
7996         (General_options::General_options): Initialize wrap_symbols_.
7997         * symtab.cc (Symbol_table::wrap_symbol): New function.
7998         (Symbol_table::add_from_object): Handle --wrap.
7999         * symtab.h (class Symbol_table): Declare wrap_symbol.
8000         * target.h (Target::wrap_char): New function.
8001         (Target::Target_info): Add wrap_char field.
8002         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
8003         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8004         * testsuite/testfile.cc (Target_test::test_target_info):
8005         Likewise.
8006
8007         * errors.cc (Errors::undefined_symbol): Mention symbol version if
8008         there is one.
8009
8010         * layout.h (class Layout): Add added_eh_frame_data_ field.
8011         * layout.cc (Layout::Layout): Initialize new field.
8012         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
8013         output section until we find a section we merged successfully.
8014         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
8015         that the size be non-zero.
8016
8017         * merge.cc (Object_merge_map::get_output_offset): Remove inline
8018         qualifier.
8019
8020 2008-04-08  Craig Silverstein  <csilvers@google.com>
8021
8022         * configure.ac: Export new conditional variable HAVE_ZLIB.
8023         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
8024         on HAVE_ZLIB.
8025         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
8026         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8027
8028 2008-04-07  Ian Lance Taylor  <iant@google.com>
8029
8030         * version.cc (version_string): Set to "1.5".
8031
8032         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
8033         Add issued_non_pic_error_ field.  Declare check_non_pic.
8034         (Target_x86_64::Scan::check_non_pic): New function.
8035         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
8036         (Target_x86_64::Scan::global): Likewise.
8037
8038         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
8039         addend parameter.  Change caller.  Handle merge sections.
8040         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
8041         Address to Addend.  Don't add in the result of
8042         local_section_offset, pass down the addend and use the returned
8043         value.
8044         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
8045         Update declarations of local_section_offset and symbol_value.
8046         * testsuite/two_file_test_1.cc (t18): New function.
8047         * testsuite/two_file_test_2.cc (f18): New function.
8048         * testsuite/two_file_test_main.cc (main): Call t18.
8049         * testsuite/two_file_test.h (t18, f18): Declare.
8050
8051         * configure.ac: Don't test for objdump, c++filt, or readelf.
8052         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
8053         conditionals.
8054         (TEST_READELF): New variable.
8055         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
8056         (check_PROGRAMS): Add two_file_strip_test.
8057         (two_file_strip_test): New target.
8058         (check_PROGRAMS): Add two_file_same_shared_strip_test.
8059         (two_file_same_shared_strip_test_SOURCES): New variable.
8060         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
8061         (two_file_same_shared_strip_test_LDFLAGS): New variable.
8062         (two_file_same_shared_strip_test_LDADD): New variable.
8063         (two_file_shared_strip.so): New target.
8064         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
8065         (ver_test_5.syms, ver_test_7.syms): Likewise.
8066         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
8067         (strip_test_3.stdout): Use TEST_OBJDUMP.
8068         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8069
8070 2008-04-04  Cary Coutant  <ccoutant@google.com>
8071
8072         * symtab.h (Symbol::is_weak_undefined): New function.
8073         (Symbol::is_strong_undefined): New function.
8074         (Symbol::is_absolute): New function.
8075         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
8076         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
8077         absolute symbols.
8078         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
8079         (weak_undef_test): New target.
8080         * testsuite/Makefile.in: Rebuild.
8081         * testsuite/weak_undef_file1.cc: New file.
8082         * testsuite/weak_undef_file2.cc: New file.
8083         * testsuite/weak_undef_test.cc: New file.
8084
8085 2008-04-03  Craig Silverstein  <csilvers@google.com>
8086
8087         * compressed_output.h (class Output_compressed_section): Use
8088         unsigned buffer.
8089         * compressed_output.cc (zlib_compress): Use unsigned buffers,
8090         add zlib header.
8091         (zlib_compressed_suffix): Removed.
8092         (Output_compressed_section::set_final_data_size): Use unsigned
8093         buffers.
8094         * testsuite/Makefile.am (flagstest_compress_debug_sections):
8095         Fix linker invocation.
8096         (flagstest_o_specialfile_and_compress_debug_sections):
8097         Likewise.
8098         * testsuite/Makefile.in: Regenerated.
8099
8100 2008-04-02  David S. Miller  <davem@davemloft.net>
8101
8102         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
8103         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
8104
8105 2008-04-02  Craig Silverstein  <csilvers@google.com>
8106
8107         * TODO: New file.
8108
8109 2008-04-02  Ian Lance Taylor  <iant@google.com>
8110
8111         * fileread.cc (File_read::find_view): Add byteshift and vshifted
8112         parameters.  Update for new key type to views_.  Change all
8113         callers.
8114         (File_read::read): Adjust for byteshift in returned view.
8115         (File_read::add_view): New function, broken out of
8116         find_and_make_view.
8117         (File_read::make_view): New function, broken out of
8118         find_and_make_view.
8119         (File_read::find_or_make_view): Add offset and aligned
8120         parameters.  Rewrite accordingly.  Change all callers.
8121         (File_read::get_view): Add offset and aligned parameters.  Adjust
8122         for byteshift in return value.
8123         (File_read::get_lasting_view): Likewise.
8124         * fileread.h (class File_read): Update declarations.
8125         (class File_read::View): Add byteshift_ field.  Add byteshift to
8126         constructor.  Add byteshift method.
8127         * archive.h (Archive::clear_uncached_views): New function.
8128         (Archive::get_view): Add aligned parameter.  Change all callers.
8129         * object.h (Object::get_view): Add aligned parameter.  Change all
8130         callers.
8131         (Object::get_lasting_view): Likewise.
8132
8133         * fileread.cc (File_read::release): Don't call clear_views if
8134         there are multiple objects.
8135         * fileread.h (File_read::clear_uncached_views): New function.
8136         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
8137         on the archive.
8138
8139 2008-03-31  Cary Coutant  <ccoutant@google.com>
8140
8141         Add thin archive support.
8142         * archive.cc (Archive::armagt): New const.
8143         (Archive::setup): Remove task parameter and calls to unlock.
8144         (Archive::unlock_nested_archives): New function.
8145         (Archive::read_header): Add nested_off parameter. Change
8146         all callers.
8147         (Archive::interpret_header): Likewise.
8148         (Archive::include_all_members): Change to handle thin
8149         archives.
8150         (Archive::include_member): Likewise.
8151         * archive.h (Archive::Archive): Add new parameters and
8152         initializers.
8153         (Archive::armagt): New const.
8154         (Archive::setup): Remove task parameter.
8155         (Archive::unlock_nested_archives): New function.
8156         (Archive::read_header): Add nested_off parameter.
8157         (Archive::interpret_header): Likewise.
8158         (Archive::Nested_archive_table): New typedef.
8159         (Archive::is_thin_archive_): New field.
8160         (Archive::nested_archives_): New field.
8161         (Archive::options_): New field.
8162         (Archive::dirpath_): New field.
8163         (Archive::task_): New field.
8164         * readsyms.cc (Read_symbols::do_read_symbols): Add check
8165         for thin archives.  Pass additional parameters to
8166         Archive::Archive.  Unlock the archive file after calling
8167         Archive::setup.
8168
8169 2008-03-29  Ian Lance Taylor  <iant@google.com>
8170
8171         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
8172         version symbol to be local.
8173         * testsuite/ver_test_4.sh: New file.
8174         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
8175         (check_DATA): Add ver_test_4.syms.
8176         (ver_test_4.syms): New target.
8177         * testsuite/Makefile.in: Rebuild.
8178
8179         * output.cc
8180         (Output_section::Input_section_sort_entry::has_priority): New
8181         function.
8182         (Output_section::Input_section_sort_entry::match_file_name): New
8183         function.
8184         (Output_section::Input_section_sort_entry::match_section_name):
8185         Remove.
8186         (Output_section::Input_section_sort_entry::match_section_name_prefix):
8187         Remove.
8188         (Output_section::Input_section_sort_entry::match_section_file):
8189         Remove.
8190         (Output_section::Input_section_sort_compare::operator()): Rewrite
8191         using new Input_section_sort_entry functions.  Sort crtbegin and
8192         crtend first.  Sort sections with no priority before sections with
8193         a priority.
8194         * testsuite/initpri1.c (d3): Check j != 4.
8195         (cd5): New constructor/destructor function.
8196         (main): Check j != 2.
8197
8198         * symtab.cc (Symbol_table::add_from_object): If we don't use the
8199         new symbol when resolving, don't call set_is_default.
8200         * testsuite/ver_test_7.cc: New file.
8201         * testsuite/ver_test_7.sh: New file.
8202         * testsuite/Makefile.am (ver_test_7.so): New target.
8203         (ver_test_7.o): New target.
8204         (check_SCRIPTS): Add ver_test_7.sh.
8205         (check_DATA): Add ver_test_7.syms.
8206         (ver_test_7.syms): New target.
8207
8208 2008-03-28  Ian Lance Taylor  <iant@google.com>
8209
8210         * layout.cc (Layout::layout): If we see an input section with a
8211         name that needs sorting, set the must_sort flag for the output
8212         section.
8213         (Layout::make_output_section): If the name of the output section
8214         indicates that it might require sorting, set the may_sort flag.
8215         * output.h (Output_section::may_sort_attached_input_sections): New
8216         function.
8217         (Output_section::set_may_sort_attached_input_sections): New
8218         function.
8219         (Output_section::must_sort_attached_input_sections): New
8220         function.
8221         (Output_section::set_must_sort_attached_input_sections): New
8222         function.
8223         (class Output_section): Declare Input_section_sort_entry.  Define
8224         Input_section_sort_compare.  Declare
8225         sort_attached_input_sections.  Add new fields:
8226         may_sort_attached_input_sections_,
8227         must_sort_attached_input_sections_,
8228         attached_input_sections_are_sorted_.
8229         * output.cc (Output_section::Output_section): Initialize new
8230         fields.
8231         (Output_section::add_input_section): Add an entry to
8232         input_sections_ if may_sort or must_sort are true.
8233         (Output_section::set_final_data_size): Call
8234         sort_attached_input_sections if necessary.
8235         (Output_section::Input_section_sort_entry): Define new class.
8236         (Output_section::Input_section_sort_compare::operator()): New
8237         function.
8238         (Output_section::sort_attached_input_sections): New function.
8239         * configure.ac: Check whether the compiler supports constructor
8240         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
8241         * testsuite/initpri1.c: New file.
8242         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
8243         CONSTRUCTOR_PRIORITY.
8244         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
8245         (initpri1_LDFLAGS): New variable.
8246         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8247
8248 2008-03-27  Ian Lance Taylor  <iant@google.com>
8249
8250         * common.cc (Sort_commons::operator): Correct sorting algorithm.
8251         * testsuite/common_test_1.c: New file.
8252         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
8253         (common_test_1_SOURCES): New variable.
8254         (common_test_1_DEPENDENCIES): New variable.
8255         (common_test_1_LDFLAGS): New variable.
8256
8257         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
8258         and commons_ correctly when NAME/VERSION does not override
8259         NAME/NULL.
8260         * testsuite/ver_test_6.c: New file.
8261         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
8262         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
8263         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
8264
8265 2008-03-26  Ian Lance Taylor  <iant@google.com>
8266
8267         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
8268         of an undefined symbol from a version script.
8269         * testsuite/Makefile.am (ver_test_5.so): New target.
8270         (ver_test_5.o): New target.
8271         (check_SCRIPTS): Add ver_test_5.sh.
8272         (check_DATA): Add ver_test_5.syms.
8273         (ver_test_5.syms): New target.
8274         * testsuite/ver_test_5.cc: New file.
8275         * testsuite/ver_test_5.script: New file.
8276         * testsuite/ver_test_5.sh: New file.
8277         * Makefile.in, testsuite/Makefile.in: Rebuild.
8278
8279         PR gold/5986
8280         Fix problems building gold with gcc 4.3.0.
8281         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
8282         (gold_error_at_location, gold_warning_at_location): Use it.
8283         * configure.ac: Check whether we can compile and use a template
8284         function with a printf attribute.
8285         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
8286         when jumping over bytes.
8287         * object.cc: Instantiate Object::read_section_data.
8288         * debug.h: Include <cstring>
8289         * dwarf_reader.cc: Include <algorithm>
8290         * main.cc: Include <cstring>.
8291         * options.cc: Include <cstring>.
8292         * output.cc: Include <cstring>.
8293         * script.cc: Include <cstring>.
8294         * script.h: Include <string>.
8295         * symtab.cc: Include <cstring> and <algorithm>.
8296         * target-select.cc: Include <cstring>.
8297         * version.cc: Include <string>.
8298         * testsuite/testmain.cc: Include <cstdlib>.
8299         * configure, config.in: Rebuild.
8300
8301 2008-03-25  Ian Lance Taylor  <iant@google.com>
8302
8303         * options.cc: Include "../bfd/bfdver.h".
8304         (options::help): Print bug reporting address.
8305
8306         * version.cc (print_version): Adjust output for current value of
8307         BFD_VERSION_STRING.
8308
8309         * NEWS: New file.
8310
8311         * options.cc (options::help): Print list of supported targets.
8312         * target-select.h: Include <vector>.
8313         (class Target_selector): Make machine_, size_, and is_big_endian_
8314         fields const.  Add bfd_name_ and instantiated_target_ fields.
8315         (Target_selector::Target_selector): Add bfd_name parameter.
8316         (Target_selector::recognize): Make non-virtual, call
8317         do_recognize.
8318         (Target_selector::recognize_by_name): Make non-virtual, call
8319         do_recognize_by_name.
8320         (Target_selector::supported_names): New function.
8321         (Target_selector::bfd_name): New function.
8322         (Target_selector::do_instantiate_target): New pure virtual
8323         function.
8324         (Target_selector::do_recognize): New virtual function.
8325         (Target_selector::do_recognize_by_name): New virtual function.
8326         (Target_selector::instantiate_target): New private function.
8327         (supported_target_names): Declare.
8328         * target-select.cc (Target_selector::Target_selector): Update for
8329         new parameter and fields.
8330         (select_target_by_name): Check that the name matches before
8331         calling recognize_by_name.
8332         (supported_target_names): New function.
8333         * i386.cc (class Target_selector_i386): Update Target_selector
8334         constructor call.  Remove recognize and recognize_by_name.  Add
8335         do_instantiate_target.
8336         * x86_64.cc (class Target_selector_x86_64): Likewise.
8337         * testsuite/testfile.cc (class Target_selector_test): Update for
8338         changes to Target_selector.
8339
8340         * README: Rewrite, with some notes on unsupported features.
8341
8342 2008-03-24  Cary Coutant  <ccoutant@google.com>
8343
8344         * i386.cc (Target_i386::Got_type): New enum declaration.
8345         (Target_i386::Scan::local): Updated callers of Output_data_got
8346         member functions.
8347         (Target_i386::Scan::global): Likewise.
8348         (Target_i386::Relocate::relocate): Likewise.
8349         (Target_i386::Relocate::relocate_tls): Likewise.
8350         * object.h (Got_offset_list): New class.
8351         (Sized_relobj::local_has_got_offset): Added got_type parameter.
8352         (Sized_relobj::local_got_offset): Likewise.
8353         (Sized_relobj::set_local_got_offset): Likewise.
8354         (Sized_relobj::local_has_tls_got_offset): Removed.
8355         (Sized_relobj::local_tls_got_offset): Removed.
8356         (Sized_relobj::set_local_tls_got_offset): Removed.
8357         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
8358         * output.cc (Output_data_got::add_global): Added got_type parameter.
8359         (Output_data_got::add_global_with_rel): Likewise.
8360         (Output_data_got::add_global_with_rela): Likewise.
8361         (Output_data_got::add_global_pair_with_rel): New function.
8362         (Output_data_got::add_global_pair_with_rela): New function.
8363         (Output_data_got::add_local): Added got_type parameter.
8364         (Output_data_got::add_local_with_rel): Likewise.
8365         (Output_data_got::add_local_with_rela): Likewise.
8366         (Output_data_got::add_local_pair_with_rel): New function.
8367         (Output_data_got::add_local_pair_with_rela): New function.
8368         (Output_data_got::add_global_tls): Removed.
8369         (Output_data_got::add_global_tls_with_rel): Removed.
8370         (Output_data_got::add_global_tls_with_rela): Removed.
8371         (Output_data_got::add_local_tls): Removed.
8372         (Output_data_got::add_local_tls_with_rel): Removed.
8373         (Output_data_got::add_local_tls_with_rela): Removed.
8374         * output.h (Output_data_got::add_global): Added got_type parameter.
8375         (Output_data_got::add_global_with_rel): Likewise.
8376         (Output_data_got::add_global_with_rela): Likewise.
8377         (Output_data_got::add_global_pair_with_rel): New function.
8378         (Output_data_got::add_global_pair_with_rela): New function.
8379         (Output_data_got::add_local): Added got_type parameter.
8380         (Output_data_got::add_local_with_rel): Likewise.
8381         (Output_data_got::add_local_with_rela): Likewise.
8382         (Output_data_got::add_local_pair_with_rel): New function.
8383         (Output_data_got::add_local_pair_with_rela): New function.
8384         (Output_data_got::add_global_tls): Removed.
8385         (Output_data_got::add_global_tls_with_rel): Removed.
8386         (Output_data_got::add_global_tls_with_rela): Removed.
8387         (Output_data_got::add_local_tls): Removed.
8388         (Output_data_got::add_local_tls_with_rel): Removed.
8389         (Output_data_got::add_local_tls_with_rela): Removed.
8390         * resolve.cc (Symbol::override_base_with_special): Removed
8391         reference to has_got_offset_ field.
8392         * symtab.cc (Symbol::init_fields): Replaced initialization
8393         of got_offset_ with got_offsets_.  Removed initialization
8394         of has_got_offset_
8395         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
8396         (Symbol::got_offset): Likewise.
8397         (Symbol::set_got_offset): Likewise.
8398         (Symbol::has_tls_got_offset): Removed.
8399         (Symbol::tls_got_offset): Removed.
8400         (Symbol::set_tls_got_offset): Removed.
8401         (Symbol::got_offset_): Removed.
8402         (Symbol::tls_mod_got_offset_): Removed.
8403         (Symbol::tls_pair_got_offset_): Removed.
8404         (Symbol::got_offsets_): New field.
8405         (Symbol::has_got_offset): Removed.
8406         (Symbol::has_tls_mod_got_offset): Removed.
8407         (Symbol::has_tls_pair_got_offset): Removed.
8408         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
8409         (Target_x86_64::Scan::local): Updated callers of Output_data_got
8410         member functions.
8411         (Target_x86_64::Scan::global): Likewise.
8412         (Target_x86_64::Relocate::relocate): Likewise.
8413         (Target_x86_64::Relocate::relocate_tls): Likewise.
8414
8415 2008-03-25  Ben Elliston  <bje@au.ibm.com>
8416
8417         * yyscript.y: Fix spelling error in comment.
8418
8419 2008-03-24  Ian Lance Taylor  <iant@google.com>
8420
8421         * options.h (class General_options): Define build_id option.
8422         * layout.h (class Layout): Declare write_build_id, create_note,
8423         create_build_id.  Add build_id_note_ member.
8424         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
8425         "libiberty.h", "md5.h", "sha1.h".
8426         (Layout::Layout): Initialize eh_frame_data_,
8427         eh_frame_hdr_section_, and build_id_note_.
8428         (Layout::finalize): Call create_build_id.
8429         (Layout::create_note): New function, broken out of
8430         Layout::create_gold_note.
8431         (Layout::create_gold_note): Call create_note.
8432         (Layout::create_build_id): New function.
8433         (Layout::write_build_id): New function.
8434         (Close_task_runner::run): Call write_build_id.
8435
8436         * x86_64.cc: Correct license to GPLv3.
8437
8438 2008-03-23  Ian Lance Taylor  <iant@google.com>
8439
8440         * options.cc: Include "demangle.h".
8441         (parse_optional_string): New function.
8442         (parse_long_option): Handle takes_optional_argument.
8443         (parse_short_option): Update dash_z initializer.  Handle
8444         takes_optional_argument.
8445         (General_options::General_options): Initialize do_demangle_.
8446         (General_options::finalize): Set do_demangle_.  Handle demangling
8447         style.
8448         * options.h (parse_optional_string): Declare.
8449         (struct One_option): Add optional_arg field.  Update constructor.
8450         Update call constructor calls.  Add takes_optional_argument
8451         function.
8452         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
8453         (DEFINE_optional_string): Define.
8454         (General_options::demangle): Change from DEFINE_bool to
8455         DEFINE_optional_string.
8456         (General_options::no_demangle): New function.
8457         (General_options::do_demangle): New function.
8458         (General_options::set_do_demangle): New function.
8459         (General_options::execstack_status_): Move definition to end of
8460         class definition.
8461         (General_options::static_): Likewise.
8462         (General_options::do_demangle_): New field.
8463         * object.cc (big_endian>::get_symbol_location_info): Call
8464         Options::do_demangle, not Options::demangle.
8465         * symtab.cc (demangle): Likewise.
8466
8467 2008-03-22  Ian Lance Taylor  <iant@google.com>
8468
8469         * gold.h: Include <cstddef> and <sys/types.h>
8470         * options.h: Include <cstring>.
8471
8472 2008-03-21  Ian Lance Taylor  <iant@google.com>
8473
8474         * Added source code to GNU binutils.