* script-sections.cc (Sort_output_sections::script_compare):
[external/binutils.git] / gold / ChangeLog
1 2011-03-14  Ian Lance Taylor  <iant@google.com>
2
3         * script-sections.cc (Sort_output_sections::script_compare):
4         Rename from is_before, change return type.
5         (Sort_output_sections::operator()): Adjust accordingly.
6
7 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
8
9         PR gold/12572
10         * testsuite/odr_violation2.cc: Add comment to make all error line
11         numbers double digits.
12         * testsuite/debug_msg.sh: Adjust expected errors.
13
14 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
15
16         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
17         but mark earlier ones as non-canonical
18         (offset_to_iterator): Update search target and example
19         (do_addr2line): Return extra lines in a vector*
20         (format_file_lineno): Extract from do_addr2line
21         (one_addr2line): Add vector* out-param
22         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
23         when a lineno entry appeared last for its instruction
24         (Dwarf_line_info): Add vector* out-param
25         * object.cc (Relocate_info): Pass NULL for the vector* out-param
26         * symtab.cc (Odr_violation_compare): Include the lineno in the
27         comparison again.
28         (linenos_from_loc): New. Combine the canonical line for an
29         address with its other lines.
30         (True_if_intersect): New. Helper functor to make
31         std::set_intersection a query.
32         (detect_odr_violations): Compare sets of lines instead of just
33         one line for each function. This became less deterministic, but
34         has fewer false positives.
35         * symtab.h: Declarations.
36         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
37         mix an optimized and non-optimized object in the same binary
38         (odr_violation2.so): Same.
39         * testsuite/Makefile.in: Regenerate from Makefile.am.
40         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
41         * testsuite/debug_msg.sh: Update line numbers and add
42         assertions.
43         * testsuite/odr_violation1.cc: Use OdrDerived, in a
44         non-optimized context.
45         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
46         isn't inlined, and use OdrDerived in an optimized context.
47         * testsuite/odr_header1.h: Defines OdrDerived, where
48         optimization will change the
49         first-instruction-in-the-destructor's file and line number.
50         * testsuite/odr_header2.h: Defines OdrBase.
51
52 2011-03-09  Ian Lance Taylor  <iant@google.com>
53
54         * fileread.cc (File_read::clear_views): Don't delete the whole
55         file view.
56
57 2011-03-08  Ian Lance Taylor  <iant@google.com>
58
59         PR gold/12525
60         * fileread.cc: #include <climits>.
61         (GOLD_IOV_MAX): Define.
62         (File_read::read_multiple): Limit number of entries by iov_max.
63         * fileread.h (class File_read): Always set max_readv_entries to
64         128.
65
66 2011-03-07  Ian Lance Taylor  <iant@google.com>
67
68         PR gold/12525
69         * options.h (class General_options): Add -dy and -dn.
70
71 2011-03-02  Cary Coutant  <ccoutant@google.com>
72
73         * testsuite/script_test_9.t: Add TLS segment.
74
75 2011-03-02  Simon Baldwin  <simonb@google.com>
76
77         * configure.ac: Add check for gnu_indirect_function support in
78         the toolchain building binutils.
79         * configure: Rebuild.
80
81 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
82
83         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
84         plugin only symbols.
85         (Symbol_table::sized_finalize_symbol) Mark symbol only present
86         in plugin files as not needed in the symbol table.
87
88 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
89
90         * output.cc (Output_section::add_input_section): Delay fill
91         generation for section ordering.
92
93 2011-02-09  Ian Lance Taylor  <iant@google.com>
94
95         PR gold/12316
96         * object.h (class Sized_relobj): Remove clear_local_symbols.
97         * reloc.cc (Sized_relobj::do_relocate): Don't call
98         clear_local_symbols.
99
100 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
101
102         * plugin.cc (is_visible_from_outside): Return true for symbols
103         in the -u option.
104
105 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
106
107         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
108         filename.
109
110 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
111
112         * icf.h (is_section_foldable_candidate): Change type of parameter
113         to std::string.
114         * icf.cc (Icf::find_identical_sections): Change type of local variable
115         section_name to be std::string.
116         (is_function_ctor_or_dtor): Change type of parameter to std::string.
117
118 2011-01-25  Ian Lance Taylor  <iant@google.com>
119
120         * script.cc (script_add_extern): Rewrite to use
121         add_symbol_reference.
122
123 2011-01-25  Doug Kwan  <dougkwan@google.com>
124
125         * icf.cc (get_section_contents): Always lock section's object.
126
127 2011-01-24  Ian Lance Taylor  <iant@google.com>
128
129         * options.h (class General_options): Accept
130         --no-detect-odr-violations.
131
132 2011-01-24  Ian Lance Taylor  <iant@google.com>
133
134         * version.cc (version_string): Bump to 1.11.
135
136 2011-01-24  Ian Lance Taylor  <iant@google.com>
137
138         * plugin.cc (class Plugin_rescan): Define new class.
139         (Plugin_manager::claim_file): Set any_claimed_.
140         (Plugin_manager::save_archive): New function.
141         (Plugin_manager::save_input_group): New function.
142         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
143         necessary.
144         (Plugin_manager::new_undefined_symbol): New function.
145         (Plugin_manager::rescan): New function.
146         (Plugin_manager::rescannable_defines): New function.
147         (Plugin_manager::add_input_file): Set any_added_.
148         * plugin.h (class Plugin_manager): define new fields rescannable_,
149         undefined_symbols_, any_claimed_, and any_added_.  Declare
150         Plugin_rescan as friend.  Declare new functions.
151         (Plugin_manager::Rescannable): Define type.
152         (Plugin_manager::Rescannable_list): Define type.
153         (Plugin_manager::Undefined_symbol_list): Define type.
154         (Plugin_manager::Plugin_manager): Initialize new fields.
155         * archive.cc (Archive::defines_symbol): New function.
156         (Add_archive_symbols::run): Pass archive to plugins if any.
157         * archive.h (class Archive): Declare defines_symbol.
158         * readsyms.cc (Input_group::~Input_group): New function.
159         (Finish_group::run): Pass input_group to plugins if any.
160         * readsyms.h (class Input_group): Declare destructor.
161         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
162         any.
163
164 2011-01-10  Ian Lance Taylor  <iant@google.com>
165
166         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
167         section as relro.
168         (Layout::set_segment_offsets): Reset increase_relro before calling
169         set_section_addresses a second time.
170
171 2011-01-04  Cary Coutant  <ccoutant@google.com>
172
173         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
174         sections before NOBITS sections.
175
176 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
177
178         * version.cc (print_version): Update copyright to 2011.
179
180 2010-12-23  Cary Coutant  <ccoutant@google.com>
181
182         * output.h (Output_data_reloc::add_output_section): Pass OD instead
183         of OS to this->add.  Add OD parameter to second form of the function.
184
185 2010-12-20  Ian Lance Taylor  <iant@google.com>
186
187         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
188         second of two consecutive entries with same offset.
189
190 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
191
192         * testsuite/Makefile.am (ifuncmain2static_LDADD)
193         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
194         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
195         to avoid unneeded links against $(LDADD).
196         * testsuite/Makefile.in: Regenerate.
197
198 2010-12-15  Ian Lance Taylor  <iant@google.com>
199
200         PR gold/12324
201         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
202         for R_X86_64_32 and R_X86_64_PC32.
203         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
204         ver_matching_def_pic.o.
205         (ver_matching_def_pic.o): New target.
206
207 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
208
209         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
210         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
211         Move definition before File_read::View member definitions.
212         (File_read::View::~View): Initialize and hold lock before
213         updating current_mapped_bytes.
214
215 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
216
217         * dwarf_reader.cc: Remove outdated comment.
218         * gold-threads.cc: Fix typo in error message.
219         * archive.cc: Fix typos in comments.
220         * archive.h: Likewise.
221         * arm-reloc-property.cc: Likewise.
222         * arm-reloc-property.h: Likewise.
223         * arm-reloc.def: Likewise.
224         * arm.cc: Likewise.
225         * attributes.h: Likewise.
226         * cref.cc: Likewise.
227         * ehframe.cc: Likewise.
228         * fileread.h: Likewise.
229         * gold.h: Likewise.
230         * i386.cc: Likewise.
231         * icf.cc: Likewise.
232         * incremental.h: Likewise.
233         * int_encoding.cc: Likewise.
234         * layout.h: Likewise.
235         * main.cc: Likewise.
236         * merge.h: Likewise.
237         * object.cc: Likewise.
238         * object.h: Likewise.
239         * options.cc: Likewise.
240         * readsyms.cc: Likewise.
241         * reduced_debug_output.cc: Likewise.
242         * reloc.cc: Likewise.
243         * script-sections.cc: Likewise.
244         * sparc.cc: Likewise.
245         * symtab.h: Likewise.
246         * target-reloc.h: Likewise.
247         * target.cc: Likewise.
248         * target.h: Likewise.
249         * timer.cc: Likewise.
250         * timer.h: Likewise.
251         * x86_64.cc: Likewise.
252
253 2010-12-09  Cary Coutant  <ccoutant@google.com>
254
255         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
256         stack.
257         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
258         parameter; change all callers.
259         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
260         * options.h (warn_execstack): New option.
261
262 2010-12-07  Doug Kwan  <dougkwan@google.com>
263
264         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
265         like function call relocations.
266
267 2010-12-07  Ian Lance Taylor  <iant@google.com>
268
269         * archive.cc (Archive::get_elf_object_for_member): Permit
270         punconfigured to be NULL.
271         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
272         (Archive::include_member): Pass NULL to get_elf_object_for_member
273         if we searched for the archive and this is the first included
274         object.
275
276 2010-12-01  Ian Lance Taylor  <iant@google.com>
277
278         * dwarf_reader.h (class Sized_dwarf_line_info): Add
279         track_relocs_type_ field.
280         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
281         Set track_relocs_type_.
282         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
283         contents when using RELA relocs.
284         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
285         reloc_map_.
286         * reloc.cc (Track_relocs::next_addend): New function.
287         * reloc.h (class Track_relocs): Declare next_addend.
288
289 2010-12-01  Ian Lance Taylor  <iant@google.com>
290
291         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
292         virtual destructor.
293
294 2010-12-01  Ian Lance Taylor  <iant@google.com>
295
296         * README: Update compilers known to work and fail.
297
298 2010-11-23  Matthias Klose  <doko@ubuntu.com>
299
300         * configure.in: For --enable-gold, handle value `default' instead of
301         `both*'.  Always install ld as ld.bfd, install as ld if gold is
302         not the default.
303         * configure: Regenerate.
304
305 2010-11-18  Doug Kwan  <dougkwan@google.com>
306
307         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
308         and right_alignment to be zero.  Store result alignment only if it is
309         greater than existing alignment.
310
311 2010-11-16  Cary Coutant  <ccoutant@google.com>
312
313         PR gold/12220
314         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
315         Check for ".zdebug_line".
316
317 2010-11-16  Doug Kwan  <dougkwan@google.com>
318             Cary Coutant  <ccoutant@google.com>
319
320         * output.h (Output_segment::set_section_addresses): Pass increase_relro
321         by reference; adjust all callers.
322         * output.cc (Output_segment::set_section_addresses): Adjust references
323         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
324         list is empty.
325         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
326         end at page boundary.
327
328 2010-11-16  Cary Coutant  <ccoutant@google.com>
329
330         PR gold/12220
331         * layout.cc (Layout::choose_output_section): Transform names of
332         compressed sections even when using a script with a SECTIONS clause.
333         (Layout::output_section_name): Remove code to transform
334         compressed debug section names.
335         * output.cc (Output_section::add_input_section): Use uncompressed
336         section size when tracking input sections.
337
338 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
339
340         * symtab.h (Symbol::NON_PIC_REF): Remove.
341         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
342         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
343         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
344         (Symbol::use_plt_offset): Take a flags argument and pass it
345         directly to needs_dynamic_reloc.  Restrict check for undefined
346         weak symbols to function calls.
347         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
348         (Target_arm::Scan::global): Use it.
349         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
350         (Target_arm::Relocate::relocate): Likewise.
351         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
352         parameter with an r_type parameter.  Use get_reference_flags
353         to get the flags.
354         (Target_arm::Relocate::relocate): Update accordingly.
355         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
356         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
357         (Target_i386::Scan::global): Likewise.
358         (Target_i386::Relocate::relocate): Likewise.
359         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
360         parameter with an r_type parameter.  Use get_reference_flags
361         to get the flags.
362         (Target_i386::Relocate::relocate): Update accordingly.
363         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
364         (Target_powerpc::Scan::global): Use it.
365         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
366         (Target_powerpc::Relocate::relocate): Likewise.
367         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
368         (Target_sparc::Scan::global): Use it.
369         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
370         (Target_sparc::Relocate::relocate): Likewise.
371         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
372         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
373         (Target_x86_64::Scan::global): Likewise.
374         (Target_x86_64::Relocate::relocate): Likewise.
375
376 2010-11-08  Doug Kwan  <dougkwan@google.com>
377             Cary Coutant  <ccoutant@google.com>
378
379         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
380         (Arm_exidx_merge_section::section_contents_): New data member.
381         (Arm_input_section::Arm_input_section): Initialize original_contents_.
382         (Arm_input_section::~Arm_input_section): De-allocate memory.
383         (Arm_input_section::original_contents_): New data member.       
384         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
385         in parameters instead of calling Object::section_contents without
386         locking.
387         (Arm_output_section::group_section): New parameter TASK.  Pass it
388         to callees that need locking objects.
389         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
390         to lock EXIDX input sections.  Fix a formatting issue.  Call
391         Arm_exidx_merged_section::build_contents to create merged section
392         contents.
393         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
394         to lock object of stub table owner.
395         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
396         TEXT_SIZE to initialize data member TEXT_SIZE_.
397         (Arm_exidx_input_section::addralign): Fix typo in comment.
398         (Arm_exidx_input_section::text_size): New method.
399         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
400         that require locking objects.  Lock objects before scanning for stubs
401         and updating local symbols.
402         (Arm_input_section<big_endian>::init): Copy contents of original
403         input section.
404         (Arm_input_section<big_endian>::do_write): Use saved contents of
405         original input section instead of calling Object::section_contents
406         without locking.
407         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
408         size without calling Object::section_size().
409         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
410         for size.  Allocate a buffer for merged EXIDX entries.
411         (Arm_exidx_merged_section::build_contents): New method.
412         (Arm_exidx_merged_section::do_write): Move merge section contents
413         building code to Arm_exidx_merged_section::build_contetns.  Write
414         out contetns in buffer instead of building it on the fly.
415         (Arm_relobj::make_exidx_input_section): Also pass text section size
416         to Arm_exidx_input_section constructor.
417         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
418         (Arm_dynobj::do_read_symbols): Fix memory leak.
419         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
420         * target.h: (class Task): Add forward declaration.
421         (Target::relax): Add new parameter TASK and pass it to
422         Target::do_relax().
423         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
424
425 2010-11-05  Cary Coutant  <ccoutant@google.com>
426
427         PR gold/10708
428         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
429         object when reading from the file.
430         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
431         second layout pass.
432         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
433         when reading section contents.
434         (get_section_contents): Likewise.
435         (icf::find_identical_sections): Likewise.
436         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
437         object when reading from the file.
438         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
439         the object when doing deferred section layout.
440
441 2010-11-03  Nick Clifton  <nickc@redhat.com>
442
443         PR gold/12001
444         * script.h (class Symbol_assignment: name): New member.  Returns
445         the name of the symbol.
446         * scrfipt.cc (Script_options::is_pending_assignment): New member.
447         Returns true if the given symbol name is on the list of
448         assignments wating to be processed.
449         * archive.cc (should_incldue_member): If the symbol is undefined,
450         check to see if it is on the list of symbols pending assignment.
451
452 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
453
454         * script-sections.cc (Script_sections::find_memory_region): Check
455         for a NULL output section pointer.
456
457 2010-10-29  Doug Kwan  <dougkwan@google.com>
458
459         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
460         Output_section::add_relaxed_input_section.
461         * output.cc (Output_section::add_relaxed_input_section): Add new
462         arguments LAYOUT and NAME.  Set section order index.
463         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
464         Copy section order index.
465         * output.h (Output_section::add_relaxed_input_section): Add new
466         arguments LAYOUT and NAME.
467
468 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
469
470         * testsuite/Makefile.am: Move gcctestdir/ld rule to
471         NATIVE_OR_CROSS_LINKER.
472         * testsuite/Makefile.in: Regenerate.
473
474 2010-10-20  Doug Kwan  <dougkwan@google.com>
475
476         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
477         without SHF_LINK_ORDER flags.
478         * layout.cc (Layout::choose_output_section): Do not filter
479         SHF_LINK_ORDER flag in a relocatable link.
480
481 2010-10-17  Cary Coutant  <ccoutant@google.com>
482
483         * output.h (Output_segment::set_section_addresses): Change function
484         signature.  Update all callers.
485         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
486         sections.
487         (Output_segment::set_section_addresses): Align after last TLS
488         section.  Add padding before last relro section instead of after.
489
490 2010-10-17  Doug Kwan  <dougkwan@google.com>
491
492         * gold/arm.cc (Target_arm::got_section): Use correct order and set
493         GOT output section to be writable.
494
495 2010-10-14  Cary Coutant  <ccoutant@google.com>
496
497         * debug.h (DEBUG_INCREMENTAL): New flag.
498         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
499         * gold.cc (queue_initial_tasks): Check parameters for incremental link
500         mode.
501         * incremental.cc (report_command_line): Ignore all forms of
502         --incremental.
503         * layout.cc (Layout::Layout): Check parameters for incremental link
504         mode.
505         * options.cc (General_options::parse_incremental): New function.
506         (General_options::parse_no_incremental): New function.
507         (General_options::parse_incremental_full): New function.
508         (General_options::parse_incremental_update): New function.
509         (General_options::incremental_mode_): New data member.
510         (General_options::finalize): Check incremental_mode_.
511         * options.h (General_options): Update help text for --incremental.
512         Add --no-incremental, --incremental-full, --incremental-update.
513         (General_options::Incremental_mode): New enum type.
514         (General_options::incremental_mode): New function.
515         (General_options::incremental_mode_): New data member.
516         * parameters.cc (Parameters::incremental_mode_): New data member.
517         (Parameters::set_options): Set incremental_mode_.
518         (Parameters::set_incremental_full): New function.
519         (Parameters::incremental): New function.
520         (Parameters::incremental_update): New function.
521         (set_parameters_incremental_full): New function.
522         * parameters.h (Parameters::set_incremental_full): New function.
523         (Parameters::incremental): New function.
524         (Parameters::incremental_update): New function.
525         (Parameters::incremental_mode_): New data member.
526         (set_parameters_incremental_full): New function.
527         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
528         incremental link mode.
529         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
530         (Sized_relobj::do_relocate_sections): Likewise.
531         * testsuite/Makefile.am (incremental_test): Use --incremental-full
532         option.
533         * testsuite/Makefile.in: Regenerate.
534         * testsuite/incremental_test.sh: Filter all forms of --incremental.
535
536 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
537
538         * script-sections.h (class Script_sections): Make
539         Sections_elements typedef public.
540         * script-sections.cc (class Sort_output_sections): Add elements_
541         field.  Add constructor which sets it; change all callers.
542         (Sort_output_sections::is_before): New function.
543         (Sort_output_sections::operator()): Call is_before.
544         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
545         conditional.
546         * testsuite/script_test_10.sh: New test. Test script section
547         order.
548         * testsuite/script_test_10.t: Likewise.
549         * testsuite/script_test_10.s: Likewise.
550         * testsuite/Makefile.am: Wrap the cross linker tests and the
551         common tests into NATIVE_OR_CROSS_LINKER.
552         (check_SCRIPTS): Add script_test_10.sh.
553         (check_DATA): Add script_test_10.stdout.
554         (script_test_10.o, script_test_10): New targets.
555         (script_test_10.stdout): New target.
556         * configure, testsuite/Makefile.in: Regenerate.
557
558 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
559
560         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
561         error for the deprecated relocations.
562         (Target_arm::Scan::global): Likewise.
563         (Target_arm::Relocate::relocate): Likewise.
564
565 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
566
567         * fileread.cc (Input_file::find_file): Initialize *found_name
568         and *namep when using the fallback search for case 4.
569
570 2010-10-11  Cary Coutant  <ccoutant@google.com>
571
572         * options.h (class General_options): Redefine -z lazy as an alias for
573         the negation of -z now.
574
575 2010-10-11  Ian Lance Taylor  <iant@google.com>
576
577         * resolve.cc (symbol_to_bits): Report the value of the unsupported
578         binding.
579
580 2010-10-06  Nick Clifton  <nickc@redhat.com>
581
582         * script-sections.cc(class Memory_region): Remove
583         current_lma_offset_ field.  Rename current_vma_offset_ to
584         current_offset_.  Add last_section_ field.
585         (Memory_region::get_current_vma_address): Rename to
586         get_current_address.
587         (Memory_region::get_current_lma_address): Delete.
588         (Memory_region::increment_vma_offset): Rename to
589         increment_offset.
590         (Memory_region::increment_lma_offset): Delete.
591         (Memory_region::attributes_compatible): New method.  Returns
592         true if the provided section is compatible with the region.
593         (Memory_region::get_last_section): New method.  Returns the last
594         section to use the region.
595         (Memory_region::set_last_section): New method.  Stores the last
596         section to use the region.
597         (Script_sections::block_in_region): New method.  Returns true if
598         a block of memory is contained within a region.
599         (Script_sections::find_memory_region): New method.  Locates a
600         memory region to be used to set a VMA or LMA address.
601         (Output_section_definition::set_section_addresses): Add code to
602         check for addresses set by memory regions.
603         (Output_segment::set_section_addresses): Remove memory region
604         walking code.
605         (Script_sections::create_segment): Add a warning if a header
606         segment is created outside of any region.
607         * script-sections.h (class Script_sections): Add prototypes for
608         find_memory_region and block_in_region methods.
609         * testsuite/memory_test.s: Use .long instead of .word.
610         * testsuite/memory_test.t: Add some more output sections.
611         * testsuite/memory_test.sh: Update expected output.
612
613 2010-10-02  Doug Kwan  <dougkwan@google.com>
614
615         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
616         defintion to symtab.h
617         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
618         declaration to defintion.
619
620 2010-10-01  Nick Clifton  <nickc@redhat.com>
621
622         * expression.cc (eval): Replace dummy argument with NULL.
623         (eval_maybe_dot): Check for a NULL result section pointer.
624         (Symbol_expression::value): Likewise.
625         (Dot_expression::value): Likewise.
626         (BINARY_EXPRESSION): Likewise.
627         (Max_expression::value): Likewise.
628         (Min_expression::value): Likewise.
629         (Absolute_expression::value): Likewise.
630         (Addr_expression::value_from_output_section): Likewise.
631         (Loaddddr_expression::value_from_output_section): Likewise.
632         (Segment_start_expression::value): Likewise.
633         * script-sections.cc
634         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
635         argument with NULL.
636         (Sections_elememt_dot_assignment::set_section_addresses):
637         Likewise.
638         (Output_data_expression::do_write_to_buffer): Likewise.
639         (Output_section_definition::finalize_symbols): Likewise.
640         (Output_section_definition::set_section_addresses): Likewise.
641
642 2010-09-30  Doug Kwan  <dougkwan@google.com>
643
644         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
645
646 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
647
648         * target.h (Target::can_icf_inline_merge_sections): New virtual
649         function.
650         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
651         virtual function.
652         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
653         virtual function.
654         * icf.cc (get_section_contents): Inline merge sections only when
655         target allows it.
656
657 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
658
659         * configure: Regenerate.
660
661 2010-09-17  Ian Lance Taylor  <iant@google.com>
662
663         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
664         * testsuite/Makefile.am (memory_test.o): New target.
665         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
666         memory_test.t.
667         * testsuite/Makefile.in: Rebuild.
668
669 2010-09-17  Doug Kwan  <dougkwan@google.com>
670
671         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
672         defintion if relocation uses GOT entries of the symbol.
673         * testsuite/icf_safe_test.sh: Fix test.
674         * testsuite/icf_safe_so_test.sh: Fix test.
675
676 2010-09-16  Cary Coutant  <ccoutant@google.com>
677
678         * script_sections.cc (class Memory_region): Remove "NULL" from
679         vector initializations.
680
681 2010-09-15  Cary Coutant  <ccoutant@google.com>
682
683         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
684         Resolve forwarding symbols.
685
686 2010-09-15  Doug Kwan  <dougkwan@google.com>
687
688         * gold/testsuite/script_test_3.t: Add ARM special sections.
689         * gold/testsuite/script_test_4.t: Same.
690         * gold/testsuite/script_test_5.t: Same.
691         * gold/testsuite/script_test_6.t: Same.
692         * gold/testsuite/script_test_7.t: Same.
693         * gold/testsuite/script_test_7.t: Same.
694         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
695
696 2010-09-14  Cary Coutant  <ccoutant@google.com>
697
698         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
699         (Target_x86_64::Relocate::relocate_tls): Replace check for
700         saw_tls_block_reloc_ with test for executable section.
701
702 2010-09-12  Cary Coutant  <ccoutant@google.com>
703
704         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
705         position-independent executables to shared libraries need dynamic
706         relocations.
707         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
708         position-independent executables.
709         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
710         * testsuite/Makefile.in: Regenerate.
711
712 2010-09-10  Nick Clifton  <nickc@redhat.com>
713
714         PR gold/11997
715         * testsuite/memory_test.t: Discard any sections that are not
716         needed.
717
718 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
719
720         PR gold/11996
721         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
722         "This::" to work around a bug in gcc 4.2.
723
724         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
725
726 2010-09-09  Rafael Espindola  <espindola@google.com>
727
728         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
729         sections with different PF_X flags in the same segment.
730         (Layout::find_first_load_seg): Search all segments to find the first
731         one.
732         * options.h (rosegment): New.
733
734 2010-09-08  Rafael Espindola  <espindola@google.com>
735
736         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
737
738 2010-09-08  Doug Kwan  <dougkwan@google.com>
739
740         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
741         (Arm_relobj::do_relocate_sections): Add new parameter for output
742         file to match the parent.
743         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
744         of local symbols instead of input values.  Update code to track
745         changes in gold::relocate_section.
746         * object.cc (Sized_relobj::compute_final_local_value): New methods.
747         (Sized_relobj::compute_final_local_value_internal): New methods.
748         (Sized_relobj::do_finalize_local_symbols): Move code from loop
749         body into private version of Sized_relobj::compute_final_local_value.
750         Call the inline method.
751         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
752         merged symbol value if there is one.
753         (Symbol_value::has_output_value): New method defintiion.
754         (Sized_relobj::Compute_final_local_value_status): New enum type.
755         (Sized_relobj::compute_final_local_value): New methods.
756         (Sized_relobj::compute_final_local_value_internal): New methods.
757         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
758         and arm_cortex_a8.sh.
759         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
760         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
761         New tests.
762         * Makefile.in: Regenerate.
763         * testsuite/arm_bl_out_of_range.s: Update test.
764         * testsuite/thumb_bl_out_of_range.s: Ditto.
765         * testsuite/thumb_blx_out_of_range.s: Ditto.
766         * testsuite/arm_branch_out_of_range.sh: New file.
767         * testsuite/arm_cortex_a8.sh: Ditto.
768         * testsuite/arm_cortex_a8_b.s: Ditto.
769         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
770         * testsuite/arm_cortex_a8_b_local.s: Ditto.
771         * testsuite/arm_cortex_a8_bl.s: Ditto.
772         * testsuite/arm_cortex_a8_blx.s: Ditto.
773         * testsuite/arm_cortex_a8_local.s: Ditto.
774         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
775         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
776
777 2010-09-08  Rafael Espindola  <espindola@google.com>
778
779         * Makefile.am (memory_test.stdout): Run readelf with -W.
780         * Makefile.in: Regenerate.
781         * testsuite/memory_test.sh: Make the regexps accept both 32 and
782         64 bit output.
783
784 2010-09-08  Rafael Espindola  <espindola@google.com>
785
786         * script-sections.cc (Script_sections::add_memory_region): Convert
787         field precision to int.
788         * script.cc (script_set_section_region, script_set_section_region):
789         Convert field precision to int.
790
791 2010-09-08  Rafael Espindola  <espindola@google.com>
792
793         * arm.cc (do_finalize_sections): Create the __exidx_start and
794         __exdix_end symbols even when the section is missing.
795
796 2010-09-08  Nick Clifton  <nickc@redhat.com>
797
798         * README: Remove claim that MEMORY is not supported.
799         * expression.cc (script_exp_function_origin)
800         (script_exp_function_length): Move from here to ...
801         * script.cc: ... here.
802         (script_set_section_region, script_add_memory)
803         (script_parse_memory_attr, script_include_directive): New
804         functions.
805         * script-sections.cc
806         (class Memory_region): New class.
807         (class Output_section_definition): Add set_memory_region,
808         set_section_vma, set_section_lma and get_section_name methods.
809         (class Script_Sections): Add add_memory_region,
810         find_memory_region, find_memory_region_origin,
811         find_memory_region_length and set_memory_region methods.
812         Have set_section_addresses method walk the list of set memory
813         regions.
814         Extend the print methos to display memory regions.
815         * script-sections.h: Add prototypes for new methods.
816         Add enum for MEMORY region attributes.
817         * yyscript.y: Add support for parsing MEMORY regions.
818         * script-c.h: Add prototypes for new functions.
819         * testsuite/Makefile.am: Add test of MEMORY region functionality.
820         * testsuite/Makefile.in: Regenerate.
821         * testsuite/memory_test.sh: New script.
822         * testsuite/memory_test.s: New assembler source file.
823         * testsuite/memory_test.t: New linker script.
824
825 2010-08-27  Doug Kwan  <dougkwan@google.com>
826
827         * gold/resolve.cc (Symbol_table::should_override): Let a weak
828         reference override an existing dynamic weak reference.
829         * testsuite/Makefile.am: Add new test dyn_weak_ref.
830         * testsuite/Makefile.in: Regenerate.
831         * testsuite/dyn_weak_ref.sh: New file.
832         * testsuite/dyn_weak_ref_1.c: Ditto.
833         * testsuite/dyn_weak_ref_2.c: Ditto.
834
835 2010-08-27  Ian Lance Taylor  <iant@google.com>
836
837         * incremental.h (class Incremental_input_entry): Add virtual
838         destructor.
839
840 2010-08-27  Ian Lance Taylor  <iant@google.com>
841
842         * testsuite/start_lib_test_3.c: Mark t3 as used.
843
844 2010-08-27  Nick Clifton  <nickc@redhat.com>
845
846         * options.cc (version_script): Fix small typo in previous
847         whitespace tidyup.
848
849 2010-08-25  Nick Clifton  <nickc@redhat.com>
850
851         * archive.cc: Formatting fixes: Remove whitespace between
852         typename and following asterisk.  Remove whitespace between
853         function name and opening parenthesis.
854         * archive.h: Likewise.
855         * arm.cc: Likewise.
856         * attributes.cc: Likewise.
857         * attributes.h: Likewise.
858         * common.cc: Likewise.
859         * copy-relocs.cc: Likewise.
860         * dirsearch.h: Likewise.
861         * dynobj.cc: Likewise.
862         * ehframe.cc: Likewise.
863         * ehframe.h: Likewise.
864         * expression.cc: Likewise.
865         * fileread.cc: Likewise.
866         * fileread.h: Likewise.
867         * gc.h: Likewise.
868         * gold-threads.cc: Likewise.
869         * gold.cc: Likewise.
870         * i386.cc: Likewise.
871         * icf.h: Likewise.
872         * incremental-dump.cc: Likewise.
873         * incremental.cc: Likewise.
874         * layout.cc: Likewise.
875         * layout.h: Likewise.
876         * main.cc: Likewise.
877         * merge.cc: Likewise.
878         * merge.h: Likewise.
879         * object.cc: Likewise.
880         * object.h: Likewise.
881         * options.cc: Likewise.
882         * options.h: Likewise.
883         * output.cc: Likewise.
884         * output.h: Likewise.
885         * plugin.cc: Likewise.
886         * plugin.h: Likewise.
887         * powerpc.cc: Likewise.
888         * reloc.cc: Likewise.
889         * script-c.h: Likewise.
890         * script-sections.cc: Likewise.
891         * script.cc: Likewise.
892         * stringpool.cc: Likewise.
893         * symtab.cc: Likewise.
894         * symtab.h: Likewise.
895         * target.cc: Likewise.
896         * timer.cc: Likewise.
897         * timer.h: Likewise.
898         * version.cc: Likewise.
899         * x86_64.cc: Likewise.
900
901 2010-08-24  Nick Clifton  <nickc@redhat.com>
902
903         PR 11899
904         * layout.cc (segment_precedes): Sort segments by their physical
905         addresses, if they have been set.
906
907 2010-08-23  Cary Coutant  <ccoutant@google.com>
908
909         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
910         symbols data.
911         (Lib_group::include_member): Unlock object after deleting its
912         symbols data.
913         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
914         the bug fixed here.
915
916 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
917             Cary Coutant  <ccoutant@google.com>
918
919         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
920         constructor, and set_blocker.
921         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
922         readsyms_blocker_.
923         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
924         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
925         * testsuite/Makefile.am (start_lib_test): New test case.
926         * testsuite/Makefile.in: Regenerate.
927         * testsuite/start_lib_test_main.c: New file.
928         * testsuite/start_lib_test_1.c: New file.
929         * testsuite/start_lib_test_2.c: New file.
930         * testsuite/start_lib_test_3.c: New file.
931
932 2010-08-19  Ian Lance Taylor  <iant@google.com>
933
934         * Makefile.in: Rebuild with automake 1.11.1.
935         * aclocal.m4: Likewise.
936         * testsuite/Makefile.in: Likewise.
937
938 2010-08-19  Ian Lance Taylor  <iant@google.com>
939
940         PR 10893
941         * i386.cc (class Output_data_plt_i386): Update declarations.
942         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
943         local_ifuncs_ fields.
944         (Target_i386::do_plt_section_for_global): New function.
945         (Target_i386::do_plt_section_for_local): New function.
946         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
947         parameter; change all callers.  Initialize global_ifuncs_ and
948         local_ifuncs_.  If doing a static link define __rel_iplt_start and
949         __rel_iplt_end.
950         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
951         (Output_data_plt_i386::add_local_ifunc_entry): New function.
952         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
953         symbols.
954         (Target_i386::make_plt_section): New function, broken out of
955         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
956         (Target_i386::make_plt_entry): Call make_plt_section.
957         (Target_i386::make_local_ifunc_plt_entry): New function.
958         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
959         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
960         R_386_IRELATIVE to switch.
961         (Target_i386::Scan::global): Likewise.
962         (Target_i386::Relocate::relocate): Likewise.
963         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
964         switch.
965         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
966         (Target_x86_64::do_plt_section_for_global): New function.
967         (Target_x86_64::do_plt_section_for_local): New function.
968         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
969         parameter; change all callers.  If doing a static link define
970         __rela_iplt_start and __rela_iplt_end.
971         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
972         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
973         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
974         to point to .plt.
975         (Target_x86_64::make_local_ifunc_plt_entry): New function.
976         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
977         switch.
978         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
979         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
980         R_X86_64_IRELATIVE to switch.
981         (Target_x86_64::Scan::global): Likewise.
982         (Target_x86_64::Relocate::relocate): Likewise.
983         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
984         switch.
985         * target.h (class Target): Add plt_section_for_global and
986         plt_section_for_local functions.  Add do_plt_section_for_global
987         and do_plt_section_for_local virtual functions.
988         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
989         clarifying comments.
990         (Symbol::use_plt_offset): Handle IFUNC symbol.
991         * object.cc (Sized_relobj::Sized_relobj): Initialize
992         local_plt_offsets_.
993         (Sized_relobj::local_has_plt_offset): New function.
994         (Sized_relobj::local_plt_offset): New function.
995         (Sized_relobj::set_local_plt_offset): New function.
996         (Sized_relobj::do_count): Handle IFUNC symbol.
997         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
998         a bit away from input_shndx_ field.  Add set_is_func_symbol and
999         is_ifunc_symbol functions.
1000         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
1001         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
1002         local_plt_offsets_ field.
1003         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
1004         * output.h (class Output_section_data): Add non-const
1005         output_section function.
1006         (class Output_data_got): Update declarations.
1007         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
1008         Add use_plt_offset parameter to global and local constructors.
1009         Change all callers.  Change local_sym_index_ field to 31 bits.
1010         Change GSYM_CODE and CONSTANT_CODE accordingly.
1011         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
1012         doing a static link don't set sh_link field.
1013         (Output_data_got::Got_entry::write): Use PLT offset if
1014         appropriate.
1015         (Output_data_got::add_global_plt): New function.
1016         (Output_data_got::add_local_plt): New function.
1017         * target-reloc.h (relocate_section): Handle IFUNC symbol.
1018         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
1019         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
1020         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
1021         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
1022         IFUNC conditional.
1023         * testsuite/ifunc-sel.h: New file.
1024         * testsuite/ifuncmain1.c: New file.
1025         * testsuite/ifuncmain1vis.c: New file.
1026         * testsuite/ifuncmod1.c: New file.
1027         * testsuite/ifuncdep2.c: New file.
1028         * testsuite/ifuncmain2.c: New file.
1029         * testsuite/ifuncmain3.c: New file.
1030         * testsuite/ifuncmod3.c: New file.
1031         * testsuite/ifuncmain4.c: New file.
1032         * testsuite/ifuncmain5.c: New file.
1033         * testsuite/ifuncmod5.c: New file.
1034         * testsuite/ifuncmain6pie.c: New file.
1035         * testsuite/ifuncmod6.c: New file.
1036         * testsuite/ifuncmain7.c: New file.
1037         * configure, testsuite/Makefile.in: Rebuild.
1038
1039 2010-08-18  Ian Lance Taylor  <iant@google.com>
1040
1041         * incremental.cc
1042         (Output_section_incremental_inputs::write_input_files): Add cast
1043         to avoid signed/unsigned comparison warning.
1044         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1045
1046 2010-08-12  Cary Coutant  <ccoutant@google.com>
1047
1048         * common.cc (Sort_commons::operator()): Remove unnecessary code.
1049
1050 2010-08-13  Ian Lance Taylor  <iant@google.com>
1051
1052         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
1053
1054 2010-08-12  Cary Coutant  <ccoutant@google.com>
1055             Doug Kwan  <dougkwan@google.com>
1056
1057         * resolve.cc (Symbol_table::should_override): When a weak dynamic
1058         defintion overrides non-weak undef, remember that the original undef
1059         is not weak.
1060         * symtab.cc (Symbol_table::sized_write_global): For undef without
1061         an original weak binding, set binding to global in output.
1062         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
1063         * testsuite/Makefile.in: Regenerate.
1064         * testsuite/strong_ref_weak_def.sh: New file.
1065         * testsuite/strong_ref_weak_def_1.c: Ditto.
1066         * testsuite/strong_ref_weak_def_2.c: Ditto.
1067
1068 2010-08-12  Cary Coutant  <ccoutant@google.com>
1069
1070         * testsuite/incremental_test.sh: Rewrite.
1071         * testsuite/incremental_test_1.c: Rewrite.
1072         * testsuite/incremental_test_2.c: Rewrite.
1073
1074 2010-08-12  Cary Coutant  <ccoutant@google.com>
1075
1076         * arm.cc (Target_arm::got_size): Add const.
1077         (Target_arm::got_entry_count): New function.
1078         (Target_arm::plt_entry_count): New function.
1079         (Target_arm::first_plt_entry_offset): New function.
1080         (Target_arm::plt_entry_size): New function.
1081         (Output_data_plt_arm::entry_count): New function.
1082         (Output_data_plt_arm::first_plt_entry_offset): New function.
1083         (Output_data_plt_arm::get_plt_entry_size): New function.
1084         * i386.cc (Target_i386::got_size): Add const.
1085         (Target_i386::got_entry_count): New function.
1086         (Target_i386::plt_entry_count): New function.
1087         (Target_i386::first_plt_entry_offset): New function.
1088         (Target_i386::plt_entry_size): New function.
1089         (Output_data_plt_i386::entry_count): New function.
1090         (Output_data_plt_i386::first_plt_entry_offset): New function.
1091         (Output_data_plt_i386::get_plt_entry_size): New function.
1092         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
1093         find_incremental_inputs_sections.  Dump incremental_got_plt section.
1094         * incremental.cc: Include target.h.
1095         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
1096         parameter.  Adjust all callers.  Find incremental_got_plt section.
1097         (Incremental_inputs::create_data_sections): Create incremental_got_plt
1098         section.
1099         (Output_section_incremental_inputs::set_final_data_size): Calculate
1100         size of incremental_got_plt section.
1101         (Output_section_incremental_inputs::do_write): Write the
1102         incremental_got_plt section.
1103         (Got_plt_view_info): New struct.
1104         (Local_got_offset_visitor): New class.
1105         (Global_got_offset_visitor): New class.
1106         (Global_symbol_visitor_got_plt): New class.
1107         (Output_section_incremental_inputs::write_got_plt): New function.
1108         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
1109         Add parameter.  Adjust all callers.
1110         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1111         (Incremental_inputs::got_plt_section): New function.
1112         (Incremental_inputs::got_plt_section_): New data member.
1113         (Incremental_got_plt_reader): New class.
1114         * layout.cc (Layout::create_incremental_info_sections): Add the
1115         incremental_got_plt section.
1116         * object.h (Got_offset_list::get_list): New function.
1117         (Got offset_list::for_all_got_offsets): New function.
1118         (Sized_relobj::local_got_offset_list): New function.
1119         * powerpc.cc (Target_powerpc::got_size): Add const.
1120         (Target_powerpc::got_entry_count): New function.
1121         (Target_powerpc::plt_entry_count): New function.
1122         (Target_powerpc::first_plt_entry_offset): New function.
1123         (Target_powerpc::plt_entry_size): New function.
1124         (Output_data_plt_powerpc::entry_count): New function.
1125         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
1126         (Output_data_plt_powerpc::get_plt_entry_size): New function.
1127         * sparc.cc (Target_sparc::got_size): Add const.
1128         (Target_sparc::got_entry_count): New function.
1129         (Target_sparc::plt_entry_count): New function.
1130         (Target_sparc::first_plt_entry_offset): New function.
1131         (Target_sparc::plt_entry_size): New function.
1132         (Output_data_plt_sparc::entry_count): New function.
1133         (Output_data_plt_sparc::first_plt_entry_offset): New function.
1134         (Output_data_plt_sparc::get_plt_entry_size): New function.
1135         * symtab.h (Symbol::got_offset_list): New function.
1136         (Symbol_table::for_all_symbols): New function.
1137         * target.h (Sized_target::got_entry_count): New function.
1138         (Sized_target::plt_entry_count): New function.
1139         (Sized_target::plt_entry_size): New function.
1140         * x86_64.cc (Target_x86_64::got_size): Add const.
1141         (Target_x86_64::got_entry_count): New function.
1142         (Target_x86_64::plt_entry_count): New function.
1143         (Target_x86_64::first_plt_entry_offset): New function.
1144         (Target_x86_64::plt_entry_size): New function.
1145         (Output_data_plt_x86_64::entry_count): New function.
1146         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
1147         (Output_data_plt_x86_64::get_plt_entry_size): New function.
1148
1149 2010-08-12  Cary Coutant  <ccoutant@google.com>
1150
1151         * archive.cc: Include incremental.h.
1152         (Archive::Archive): Initialize incremental_info_.
1153         (Archive::include_member): Record archive members in incremental info.
1154         (Add_archive_symbols::run): Record begin and end of an archive in
1155         incremental info.
1156         (Lib_group::include_member): Record objects in incremental info.
1157         * archive.h (Incremental_archive_entry): Forward declaration.
1158         (Archive::set_incremental_info): New member function.
1159         (Archive::incremental_info): New member function.
1160         (Archive::Unused_symbol_iterator): New class.
1161         (Archive::unused_symbols_begin): New member function.
1162         (Archive::unused_symbols_end): New member function.
1163         (Archive::incremental_info_): New data member.
1164         * incremental-dump.cc (find_input_containing_global): New function.
1165         (dump_incremental_inputs): Dump new incremental info sections.
1166         * incremental.cc: Include symtab.h.
1167         (Output_section_incremental_inputs): New class.
1168         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
1169         new incremental info sections.
1170         (Sized_incremental_binary::do_check_inputs): Likewise.
1171         (Incremental_inputs::report_archive): Remove.
1172         (Incremental_inputs::report_archive_begin): New function.
1173         (Incremental_inputs::report_archive_end): New function.
1174         (Incremental_inputs::report_object): New function.
1175         (Incremental_inputs::finalize_inputs): Remove.
1176         (Incremental_inputs::report_input_section): New function.
1177         (Incremental_inputs::report_script): Rewrite.
1178         (Incremental_inputs::finalize): Do nothing but finalize string table.
1179         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1180         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1181         (Incremental_inputs::create_data_sections): New function.
1182         (Incremental_inputs::relocs_entsize): New function.
1183         (Output_section_incremental_inputs::set_final_data_size): New function.
1184         (Output_section_incremental_inputs::do_write): New function.
1185         (Output_section_incremental_inputs::write_header): New function.
1186         (Output_section_incremental_inputs::write_input_files): New function.
1187         (Output_section_incremental_inputs::write_info_blocks): New function.
1188         (Output_section_incremental_inputs::write_symtab): New function.
1189         * incremental.h (Incremental_script_entry): Forward declaration.
1190         (Incremental_object_entry): Forward declaration.
1191         (Incremental_archive_entry): Forward declaration.
1192         (Incremental_inputs): Forward declaration.
1193         (Incremental_inputs_header_data): Remove.
1194         (Incremental_inputs_header): Remove.
1195         (Incremental_inputs_header_write): Remove.
1196         (Incremental_inputs_entry_data): Remove.
1197         (Incremental_inputs_entry): Remove.
1198         (Incremental_inputs_entry_write): Remove.
1199         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1200         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1201         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1202         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1203         Likewise.
1204         (Incremental_input_entry): New class.
1205         (Incremental_script_entry): New class.
1206         (Incremental_object_entry): New class.
1207         (Incremental_archive_entry): New class.
1208         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1209         (Incremental_inputs::report_inputs): Remove.
1210         (Incremental_inputs::report_archive): Remove.
1211         (Incremental_inputs::report_archive_begin): New function.
1212         (Incremental_inputs::report_archive_end): New function.
1213         (Incremental_inputs::report_object): Change prototype.
1214         (Incremental_inputs::report_input_section): New function.
1215         (Incremental_inputs::report_script): Change prototype.
1216         (Incremental_inputs::get_reloc_count): New function.
1217         (Incremental_inputs::set_reloc_count): New function.
1218         (Incremental_inputs::create_data_sections): New function.
1219         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1220         (Incremental_inputs::inputs_section): New function.
1221         (Incremental_inputs::symtab_section): New function.
1222         (Incremental_inputs::relocs_section): New function.
1223         (Incremental_inputs::get_stringpool): Add const.
1224         (Incremental_inputs::command_line): Add const.
1225         (Incremental_inputs::inputs): Remove.
1226         (Incremental_inputs::command_line_key): New function.
1227         (Incremental_inputs::input_file_count): New function.
1228         (Incremental_inputs::input_files): New function.
1229         (Incremental_inputs::relocs_entsize): New function.
1230         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1231         (Incremental_inputs::finalize_inputs): Remove.
1232         (Incremental_inputs::Input_info): Remove.
1233         (Incremental_inputs::lock_): Remove.
1234         (Incremental_inputs::inputs_): Change type.
1235         (Incremental_inputs::inputs_map_): Remove.
1236         (Incremental_inputs::current_object_entry_): New data member.
1237         (Incremental_inputs::inputs_section_): New data member.
1238         (Incremental_inputs::symtab_section_): New data member.
1239         (Incremental_inputs::relocs_section_): New data member.
1240         (Incremental_inputs::reloc_count_): New data member.
1241         (Incremental_inputs_reader): New class.
1242         (Incremental_symtab_reader): New class.
1243         (Incremental_relocs_reader): New class.
1244         * layout.cc (Layout::finalize): Move finalization of incremental info
1245         and creation of incremental info sections to follow finalization of
1246         symbol table.  Set offsets for postprocessing sections.
1247         (Layout::create_incremental_info_sections): Call
1248         Incremental_inputs::create_data_sections.  Add incremental symtab
1249         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1250         sections to layout after input sections.
1251         * layout.h (struct Timespec): Forward declaration.
1252         (Layout::incremental_inputs): Add const.
1253         (Layout::create_incremental_info_sections): Add parameter.
1254         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1255         * object.cc: Include incremental.h.
1256         (Relobj::finalize_incremental_relocs): New function.
1257         (Sized_relobj::do_layout): Record input sections in incremental info.
1258         * object.h (Object::output_section): New function.
1259         (Object::output_section_offset): Moved from Relobj.
1260         (Object::get_incremental_reloc_base): New function.
1261         (Object::get_incremental_reloc_count): New function.
1262         (Object::do_output_section): New function.
1263         (Object::do_output_section_offset): Moved from Relobj.
1264         (Object::do_get_incremental_reloc_base): New function.
1265         (Object::do_get_incremental_reloc_count): New function.
1266         (Object::Object): Initialize new data members.
1267         (Relobj::output_section): Renamed do_output_section and moved to
1268         protected.
1269         (Relobj::output_section_offset): Moved to Object.
1270         (Relobj::do_get_incremental_reloc_base): New function.
1271         (Relobj::do_get_incremental_reloc_count): New function.
1272         (Relobj::allocate_incremental_reloc_counts): New function.
1273         (Relobj::count_incremental_reloc): New function.
1274         (Relobj::finalize_incremental_relocs): New function.
1275         (Relobj::next_incremental_reloc_index): New function.
1276         (Relobj::reloc_counts_): New data member.
1277         (Relobj::reloc_bases_): New data member.
1278         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1279         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1280         (Sized_relobj::incremental_relocs_scan): New function.
1281         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1282         (Sized_relobj::incremental_relocs_write): New function.
1283         (Sized_relobj::incremental_relocs_write_reltype): New function.
1284         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1285         incremental link.
1286         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1287         archives and object files elsewhere.
1288         (Add_symbols::run): Report object files here.
1289         (Finish_group::run): Report end of archive at end of group.
1290         * reloc.cc: Include layout.h, incremental.h.
1291         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1292         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1293         (Sized_relobj::incremental_relocs_scan): New function.
1294         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1295         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1296         (Sized_relobj::incremental_relocs_write): New function.
1297         (Sized_relobj::incremental_relocs_write_reltype): New function.
1298         * script.cc (read_input_script): Rewrite test for incremental link.
1299         Change call to Incremental_inputs::report_script.
1300         * symtab.h (Symbol_table::first_global_index): New function.
1301         (Symbol_table::output_count): New function.
1302
1303 2010-08-12  Doug Kwan  <dougkwan@google.com>
1304
1305         * arm.cc (Target_arm::merge_object_attributes): Check command line
1306         options --no-wchar-size-warning and --no-enum-size-warning.
1307         * options.h (General_options): Add ld-compatible options
1308         --no-enum-size-warning and --no-wchar-size-warning.
1309
1310 2010-08-04  Ian Lance Taylor  <iant@google.com>
1311
1312         * x86_64.cc (Target_x86_64::Scan::local): Use
1313         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1314         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1315         (Target_x86_64::Scan::global): Likewise.
1316         (Target_x86_64::Relocate::relocate): Likewise.
1317         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1318         Likewise.
1319
1320 2010-08-03  Cary Coutant  <ccoutant@google.com>
1321
1322         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1323         to reserve space in merged_strings vector. Keep total input size
1324         for stats.
1325         (Output_merge_string::do_print_merge_stats): Print total input size.
1326         * merge.h (Output_merge_string): Add input_size_ field.
1327         * stringpool.cc (Stringpool_template::string_length): Move
1328         implementations out of Stringpool_template class and place in
1329         stringpool.h.
1330         * stringpool.h (string_length): Move out of Stringpool_template.
1331
1332 2010-08-03  Ian Lance Taylor  <iant@google.com>
1333
1334         PR 11712
1335         * layout.cc (relaxation_loop_body): If address of load segment is
1336         set, adjust address to include headers if possible.
1337
1338 2010-08-03  Ian Lance Taylor  <iant@google.com>
1339
1340         * version.cc (version_string): Bump to 1.10.
1341
1342 2010-08-03  Ian Lance Taylor  <iant@google.com>
1343
1344         PR 11805
1345         * layout.h (enum Output_section_order): Define.
1346         (class Layout): Update declarations.
1347         * layout.cc (Layout::get_output_section): Add order parameter.
1348         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1349         is_first_non_relro parameters.  Change all callers.
1350         (Layout::choose_output_section): Likewise.
1351         (Layout::add_output_section_data): Likewise.
1352         (Layout::make_output_section): Likewise.  Set order.
1353         (Layout::default_section_order): New function.
1354         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1355         * output.cc (Output_section::Output_section): Initialize order_.
1356         Don't initialize deleted fields.
1357         (Output_segment::Output_segment): Don't initialize deleted
1358         fields.
1359         (Output_segment::add_output_section_to_load): New function
1360         replacing add_output_section.  Change all callers to call this or
1361         add_output_section_to_nonload.
1362         (Output_segment::add_output_section_to_nonload): New function.
1363         (Output_segment::remove_output_section): Rewrite.
1364         (Output_segment::add_initial_output_data): Likewise.
1365         (Output_segment::has_any_data_sections): Likewise.
1366         (Output_segment::is_first_section_relro): Likewise.
1367         (Output_segment::maximum_alignment): Likewise.
1368         (Output_segment::has_dynamic_reloc): New function replacing
1369         dynamic_reloc_count.  Change all callers.
1370         (Output_segment::has_dynamic_reloc_list): New function replacing
1371         dynamic_reloc_count_list.  Change all callers.
1372         (Output_segment::set_section_addresses): Rewrite.
1373         (Output_segment::set_offset): Rewrite.
1374         (Output_segment::find_first_and_last_list): Remove.
1375         (Output_segment::set_tls_offsets): Rewrite.
1376         (Output_segment::first_section_load_address): Likewise.
1377         (Output_segment::output_section_count): Likewise.
1378         (Output_segment::section_with_lowest_load_address): Likewise.
1379         (Output_segment::write_section_headers): Likewise.
1380         (Output_segment::print_sections_to_map): Likewise.
1381         * output.h (class Output_data): Remove dynamic_reloc_count_
1382         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1383         (Output_data::add_dynamic_reloc): Rewrite.
1384         (Output_data::has_dynamic_reloc): New function.
1385         (Output_data::dynamic_reloc_count): Remove.
1386         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1387         is_last_relro_, is_first_non_relro_, is_interp_,
1388         is_dynamic_linker_section_ fields.  Add order and set_order
1389         functions.  Remove is_relro_local, set_is_relro_local,
1390         is_last_relro, set_is_last_relro, is_first_non_relro,
1391         set_is_first_non_relro functions, is_interp, set_is_interp,
1392         is_dynamic_linker_section, and set_is_dynamic_linker_section
1393         functions.
1394         (class Output_segment): Change Output_data_list from std::list to
1395         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1396         output_bss_ fields.  Update declarations.
1397
1398 2010-08-02  Ian Lance Taylor  <iant@google.com>
1399
1400         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1401         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1402         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1403
1404 2010-08-02  Ian Lance Taylor  <iant@google.com>
1405
1406         PR 11855
1407         * script.cc (Script_options::Script_options): Initialize
1408         symbol_definitions_ and symbol_references_.
1409         (Script_options::add_symbol_assignment): Update
1410         symbol_definitions_ and symbol_references_.
1411         (Script_options::add_symbol_reference): New function.
1412         (script_symbol): New function.
1413         * script.h (class Script_options): Add symbol_definitions_ and
1414         symbol_references_ fields.
1415         (Script_options::referenced_const_iterator): New type.
1416         (Script_options::referenced_begin): New function.
1417         (Script_options::referenced_end): New function.
1418         (Script_options::is_referenced): New function.
1419         (Script_options::any_unreferenced): New function.
1420         * script-c.h (script_symbol): Declare.
1421         * yyscript.y (exp): Call script_symbol.
1422         * symtab.cc: Include "script.h".
1423         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1424         Change all callers.  Check symbols referenced by scripts.
1425         (Symbol_table::add_undefined_symbols_from_command_line): Add
1426         layout parameter.  Change all callers.
1427         (Symbol_table::do_add_undefined_symbols_from_command_line):
1428         Likewise.  Break out loop body.  Check symbols referenced by
1429         scripts.
1430         (Symbol_table::add_undefined_symbol_from_command_line): New
1431         function broken out of
1432         do_add_undefined_symbols_from_command_line.
1433         * symtab.h (class Symbol_table): Update declarations.
1434         * archive.cc: Include "layout.h".
1435         (Archive::should_include_member): Add layout parameter.  Change
1436         all callers.  Check for symbol mentioned in expression.
1437         * archive.h (class Archive): Update declaration.
1438         * object.cc (Sized_relobj::do_should_include_member): Add layout
1439         parameter.
1440         * object.h (Object::should_include_member): Add layout parameter.
1441         Change all callers.
1442         (Object::do_should_include_member): Add layout parameter.
1443         (class Sized_relobj): Update declaration.
1444         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1445         parameter.
1446         * dynobj.h (class Sized_dynobj): Update declaration.
1447         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1448         layout parameter.
1449         * plugin.h (class Sized_pluginobj): Update declaration.
1450
1451 2010-08-02  Ian Lance Taylor  <iant@google.com>
1452
1453         PR 11866
1454         * output.cc (Output_segment::set_offset): Search for the first and
1455         last sections rather than assuming that the list is in order.
1456         (Output_segment::find_first_and_last_list): New function.
1457         * output.h (class Output_segment): Update declarations.
1458         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1459         (relro_strip_test_SOURCES): New variable.
1460         (relro_strip_test_DEPENDENCIES): New variable.
1461         (relro_strip_test_LDFLAGS): New variable.
1462         (relro_strip_test_LDADD): New variable.
1463         (relro_strip_test.so): New target.
1464
1465 2010-08-02  Ian Lance Taylor  <iant@google.com>
1466
1467         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1468         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1469         (Target_i386::got_tlsdesc_section): New function.
1470         (Target_i386::got_section): Create space for GOT entries for
1471         TLSDESC relocations.
1472         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1473         R_386_TLS_GOTDESC.
1474         (Target_i386::Scan::global): Likewise.
1475         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1476         using TLSDESC GOT.
1477         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1478         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1479         (Target_x86_64::got_tlsdesc_section): New function.
1480         (Target_x86_64::got_section): Create space for GOT entries for
1481         TLSDESC relocations.
1482         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1483         R_386_TLS_GOTDESC.
1484         (Target_x86_64::Scan::global): Likewise.
1485         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1486         using TLSDESC GOT.
1487
1488 2010-08-02  Ian Lance Taylor  <iant@google.com>
1489
1490         * testsuite/final_layout.sh: Use dc to convert from hex to
1491         decimal.
1492
1493 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1494
1495         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1496         paramter to the call to gold::gc_process_relocs.
1497         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1498         paramter to the call to gold::gc_process_relocs.
1499         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1500         parameter to the call to gold::gc_process_relocs.
1501         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1502         template parameter to the call to gold::gc_process_relocs.
1503         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1504         paramter to the call to gold::gc_process_relocs.
1505         * gc.h (get_embedded_addend_size): New function.
1506         (gc_process_relocs): Save the size of the reloc for use by ICF.
1507         * icf.cc (get_section_contents): Get the addend from the text section
1508         for SHT_REL relocation sections.
1509         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1510         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1511         * int_encoding.h (read_from_pointer): New overloaded function.
1512         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1513         * testsuite/icf_sht_rel_addend_test.sh: New file.
1514         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1515         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1516
1517 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1518
1519         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1520         * Makefile.in: Regenerate.
1521         * testsuite/Makefile.in: Regenerate.
1522
1523 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1524
1525         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1526         * gold/testsuite/debug_msg.cc: Likewise.
1527         * gold/testsuite/odr_violation1.cc
1528         * gold/testsuite/odr_violation2.cc
1529
1530 2010-07-21  Cary Coutant  <ccoutant@google.com>
1531
1532         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1533         string, and length fields.
1534         (Output_merge_string::Merged_strings_list): New type.
1535         (Output_merge_string::Merged_strings_lists): New typedef.
1536         (Output_merge_string): Replace merged_strings_ with
1537         merged_strings_lists_.
1538         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1539         Merged_strings_list per input object and section.  Don't store pointer
1540         to the string.  Don't store length with each merged string entry.
1541         (Output_merge_string::finalize_merged_data): Loop over list of merged
1542         strings lists.  Recompute length of each merged string.
1543
1544 2010-07-15  Cary Coutant  <ccoutant@google.com>
1545
1546         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1547         here.
1548
1549 2010-07-14  Ian Lance Taylor  <iant@google.com>
1550
1551         * descriptors.cc (Descriptors::open): Report correct name in error
1552         message.
1553
1554 2010-07-13  Doug Kwan  <dougkwan@google.com>
1555
1556         * arm.cc (Arm_input_section::Arm_input_section): For a
1557         SHT_ARM_EXIDX section, always keeps the input sections.
1558         (Arm_input_section::set_exidx_section_link): New method.
1559         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1560         has_errors_ to false.
1561         (Arm_exidx_input_section::has_errors,
1562         Arm_exidx_input_section::set_has_errors): New methods.
1563         (Arm_exidx_input_section::has_errors_): New data member.
1564         (Arm_relobj::get_exidx_shndx_list): New method.
1565         (Arm_output_section::append_text_sections_to_list): Do not skip
1566         section without SHF_EXECINSTR.
1567         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1568         errors.
1569         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1570         section header.  Make error messages more verbose.  Check for
1571         a non-executable section linked to an EXIDX section.
1572         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1573         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1574         check that there is no deferred EXIDX section if we exit early.
1575         Instead of not making an EXIDX section in case of an error, make one
1576         and set the has_errors flag of it.
1577         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1578         in a relocatable link.
1579         (Target_arm::do_relax): Look for the EXIDX output section instead of
1580         assuming that it is called .ARM.exidx.
1581         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1582         section list.  Do not check for SHF_EXECINSTR section flags but
1583         skip any input section with errors.
1584         * output.cc (Output_section::Output_section): Initialize
1585         always_keeps_input_sections_ to false.
1586         (Output_section::add_input_section): Check for
1587         always_keeps_input_sections_.
1588         *  output.h (Output_section::always_keeps_input_sections,
1589         Output_section::set_always_keeps_input_sections): New methods.
1590         (Output_section::always_keeps_input_sections): New data member.
1591
1592 2010-07-13  Rafael Espindola  <espindola@google.com>
1593
1594         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1595         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1596
1597 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1598             Ian Lance Taylor  <iant@google.com>
1599
1600         * output.h (Output_section_lookup_maps::add_merge_section):
1601         Correct check of whether value was inserted.
1602         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1603         (Output_section_lookup_maps::add_relaxed_input_section):
1604         Likewise.
1605         * arm.cc (Target_arm::got_section): Remove used local os.
1606         * i386.cc (Target_i386::got_section): Likewise.
1607         * x86_64.cc (Target_x86_64::got_section): Likewise.
1608         * sparc.cc (Target_sparc::got_section): Likewise.
1609         (Target_sparc::relocate): Remove unused local have_got_offset.
1610         * powerpc.cc (Target_powerpc::relocate): Likewise.
1611
1612 2010-07-13  Ian Lance Taylor  <iant@google.com>
1613
1614         * compressed_output.cc (zlib_decompress): Fix signature in
1615         !HAVE_ZLIB_H case.
1616
1617         * archive.cc (Archive::include_member): Unlock an external member
1618         of a thin archive.  Don't bother to delete an object we know is
1619         NULL.
1620
1621 2010-07-12  Cary Coutant  <ccoutant@google.com>
1622
1623         * compressed_output.cc (zlib_decompress): New function.
1624         (get_uncompressed_size): New function.
1625         (decompress_input_section): New function.
1626         * compressed_output.h (get_uncompressed_size): New function.
1627         (decompress_input_section): New function.
1628         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1629         Handle compressed debug sections.
1630         * layout.cc (is_compressed_debug_section): New function.
1631         (Layout::output_section_name): Map compressed section names to
1632         canonical names.
1633         * layout.h (is_compressed_debug_section): New function.
1634         (is_debug_info_section): Recognize compressed debug sections.
1635         * merge.cc: Include compressed_output.h.
1636         (Output_merge_data::do_add_input_section): Handle compressed
1637         debug sections.
1638         (Output_merge_string::do_add_input_section): Handle compressed
1639         debug sections.
1640         * object.cc: Include compressed_output.h.
1641         (Sized_relobj::Sized_relobj): Initialize new data members.
1642         (build_compressed_section_map): New function.
1643         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1644         * object.h (Object::section_is_compressed): New method.
1645         (Object::do_section_is_compressed): New method.
1646         (Sized_relobj::Compressed_section_map): New type.
1647         (Sized_relobj::do_section_is_compressed): New method.
1648         (Sized_relobj::compressed_sections_): New data member.
1649         * output.cc (Output_section::add_input_section): Handle compressed
1650         debug sections.
1651         * reloc.cc: Include compressed_output.h.
1652         (Sized_relobj::write_sections): Handle compressed debug sections.
1653
1654 2010-07-08  Cary Coutant  <ccoutant@google.com>
1655
1656         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1657         weak when resolving to a dynamic def.
1658         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1659         for weak undef/dynamic def cases. Adjust callers.
1660         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1661         undef_binding_weak_.
1662         (Symbol_table::sized_write_globals): Adjust symbol binding.
1663         (Symbol_table::sized_write_symbol): Add binding parameter.
1664         * symtab.h (Symbol::set_undef_binding): New method.
1665         (Symbol::is_undef_binding_weak): New method.
1666         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1667         (Symbol_table::should_override): Add new parameter.
1668         (Symbol_table::sized_write_symbol): Add new parameter.
1669
1670         * testsuite/weak_undef_file1.cc: Add new test case.
1671         * testsuite/weak_undef_file2.cc: Fix header comment.
1672         * testsuite/weak_undef_test.cc: Add new test case.
1673
1674 2010-06-29  Doug Kwan  <dougkwan@google.com>
1675
1676         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1677         Initialize USE_SYMBOL_.
1678         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1679         definition.
1680         (Arm_reloc_property::uses_symbol_): New data member declaration.
1681         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1682         uses symbol value and symbol is undefined but not weakly undefined.
1683
1684 2010-06-28  Rafael Espindola  <espindola@google.com>
1685
1686         * plugin.cc (Plugin::load): Use dlerror.
1687
1688 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1689
1690         * symtab.cc (detect_odr_violations): When reporting an ODR
1691         violation, report an object where the symbol is defined.
1692
1693 2010-06-25  Doug Kwan  <dougkwan@google.com>
1694
1695         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1696         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1697         definition.
1698         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1699         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1700         target hook to detect function points.
1701         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1702         * icf.h (Icf::check_section_for_function_pointers): Change type of
1703         parameter SECTION_NAME to const reference to std::string.  Use
1704         target hook to determine if section may have unsafe pointers.
1705         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1706         method definition.
1707
1708 2010-06-21  Rafael Espindola  <espindola@google.com>
1709
1710         * fileread.cc (Input_file::find_fie): New
1711         (Input_file::open): Use Input_file::find_fie.
1712         * fileread.h (Input_file::find_fie): New
1713         * plugin.cc (set_extra_library_path): New.
1714         (Plugin::load): Add set_extra_library_path to the transfer vector.
1715         (Plugin_manager::set_extra_library_path): New.
1716         (Plugin_manager::add_input_file): Use the extra search path if set.
1717         (set_extra_library_path(): New.
1718         * plugin.h (Plugin_manager): Add set_extra_library_path and
1719         extra_search_path_.
1720
1721 2010-06-19  Cary Coutant  <ccoutant@google.com>
1722
1723         * layout.cc (gdb_sections): Add .debug_types.
1724         (lines_only_debug_sections): Likewise.
1725
1726 2010-06-18  Rafael Espindola  <espindola@google.com>
1727
1728         * plugin.cc (add_input_file,add_input_library)
1729         (Plugin_manager::add_input_file): Make filename arguments const.
1730         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1731         const.
1732
1733 2010-06-16  Doug Kwan  <dougkwan@google.com>
1734
1735         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1736         .ARM.attributes section if we have not merged any input
1737         attributes sections.
1738
1739 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1740
1741         * arm.cc: Allow combining objects with no EABI version
1742         information.
1743
1744 2010-06-15  Rafael Espindola  <espindola@google.com>
1745
1746         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1747
1748 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1749
1750         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1751         (struct iovec): Correct !HAVE_READV definition.
1752
1753 2010-06-10  Cary Coutant  <ccoutant@google.com>
1754
1755         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1756         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1757         reloc sections.
1758         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1759
1760         PR 11683
1761         * symtab.h (Symbol::is_placeholder): New member function.
1762         * target-reloc.h (relocate_section): Check for placeholder symbols.
1763
1764         * testsuite/Makefile.am (plugin_test_8): New test.
1765         (plugin_test_9): New test.
1766         * testsuite/Makefile.in: Regenerate.
1767
1768 2010-06-09  Nick Clifton  <nickc@redhat.com>
1769
1770         * yyscript.y (input_list_element): Allow strings prefixed with
1771         the '-' character.  Treat these as libraries.
1772         * script.cc (script_add_library): New function.  Adds a library
1773         specified by "-l<name>" found in an input script.
1774         * script-c.h: Add prototype for script_add_library.
1775
1776 2010-06-07  Doug Kwan  <dougkwan@google.com>
1777
1778         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1779         Restrict stub-group size to be within long conditional branch
1780         range when working around cortex-A8 erratum.
1781
1782 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1783
1784         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1785         #ifdef typo.
1786
1787 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1788
1789         PR gold/11658
1790         * output.cc
1791         (Output_section::Input_section_sort_entry::compare_section_ordering):
1792         Change to return non-zero correctly.
1793         (Output_section::Input_section_sort_section_order_index_compare
1794         ::operator()): Change to fix ambiguity in comparisons.
1795
1796 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1797
1798         * gold.h (is_wildcard_string): New function.
1799         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1800         (Layout::layout_eh_frame): Ditto.
1801         (Layout::find_section_order_index): New method.
1802         (Layout::read_layout_from_file): New method.
1803         * layout.h (Layout::find_section_order_index): New method.
1804         (Layout::read_layout_from_file): New method.
1805         (Layout::input_section_position_): New private member.
1806         (Layout::input_section_glob_): New private member.
1807         * main.cc (main): Call read_layout_from_file here.
1808         * options.h (--section-ordering-file): New option.
1809         * output.cc (Output_section::input_section_order_specified_): New
1810         member.
1811         (Output_section::Output_section): Initialize new member.
1812         (Output_section::add_input_section): Add new parameter.
1813         Keep input sections when --section-ordering-file is used.
1814         (Output_section::set_final_data_size): Sort input sections when
1815         section ordering file is specified.
1816         (Output_section::Input_section_sort_entry): Add new parameter.
1817         Check sorting type.
1818         (Output_section::Input_section_sort_entry::compare_section_ordering):
1819         New method.
1820         (Output_section::Input_section_sort_compare::operator()): Change to
1821         consider section_order_index.
1822         (Output_section::Input_section_sort_init_fini_compare::operator()):
1823         Change to consider section_order_index.
1824         (Output_section::Input_section_sort_section_order_index_compare
1825         ::operator()): New method.
1826         (Output_section::sort_attached_input_sections): Change to sort
1827         according to section order when specified.
1828         (Output_section::add_input_section<32, true>): Add new parameter.
1829         (Output_section::add_input_section<64, true>): Add new parameter.
1830         (Output_section::add_input_section<32, false>): Add new parameter.
1831         (Output_section::add_input_section<64, false>): Add new parameter.
1832         * output.h (Output_section::add_input_section): Add new parameter.
1833         (Output_section::input_section_order_specified): New
1834         method.
1835         (Output_section::set_input_section_order_specified): New method.
1836         (Input_section::Input_section): Initialize section_order_index_.
1837         (Input_section::section_order_index): New method.
1838         (Input_section::set_section_order_index): New method.
1839         (Input_section::section_order_index_): New member.
1840         (Input_section::Input_section_sort_section_order_index_compare): New
1841         struct.
1842         (Output_section::input_section_order_specified_): New member.
1843         * script-sections.cc (is_wildcard_string): Delete and move modified
1844         method to gold.h.
1845         (Output_section_element_input::Output_section_element_input): Modify
1846         call to is_wildcard_string.
1847         (Output_section_element_input::Input_section_pattern
1848         ::Input_section_pattern): Ditto.
1849         (Output_section_element_input::Output_section_element_input): Ditto.
1850         * testsuite/Makefile.am (final_layout): New test case.
1851         * testsuite/Makefile.in: Regenerate.
1852         * testsuite/final_layout.cc: New file.
1853         * testsuite/final_layout.sh: New file.
1854
1855 2010-06-01  Rafael Espindola  <espindola@google.com>
1856
1857         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1858
1859 2010-06-01  Rafael Espindola  <espindola@google.com>
1860
1861         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1862         visibility of symbols.
1863
1864 2010-05-27  Doug Kwan  <dougkwan@google.com>
1865
1866         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1867         from start of output section instead of address for a local symbol
1868         in a merged or relaxed section when doing a relocatable link.
1869
1870 2010-05-26  Rafael Espindola  <espindola@google.com>
1871
1872        PR 11604
1873         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1874         adding sections the garbage collector removed.
1875         * gold/testsuite/Makefile.am: Add test.
1876         * gold/testsuite/Makefile.in: Regenerate.
1877         * gold/testsuite/plugin_test_7.sh: New.
1878         * gold/testsuite/plugin_test_7_1.c: New.
1879         * gold/testsuite/plugin_test_7_2.c: New.
1880
1881 2010-05-26  Rafael Espindola  <espindola@google.com>
1882
1883         * script-sections.cc (Output_section_definition::set_section_addresses):
1884         Check for --section-start.
1885
1886 2010-05-26  Doug Kwan  <dougkwan@google.com>
1887
1888         * arm.cc (Arm_scan_relocatable_relocs): New class.
1889         (Target_arm::relocate_special_relocatable): New method.
1890         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1891         (Arm_relocate_functions::thumb_branch_common): Same.
1892         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1893         instead of Default_scan_relocatable_relocs.
1894         * target-reloc.h (relocate_for_relocatable): Let target handle
1895         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1896         * target.h (Sized_target::relocate_special_relocatable): New method.
1897
1898 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1899
1900         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1901
1902 2010-05-23  Doug Kwan  <dougkwan@google.com>
1903
1904         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1905         instead of a cast.
1906         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1907         with a direct branch, not a conditional branch, to a stub.
1908         * merge.cc (Output_merge_base::record_input_section): New method
1909         defintion.
1910         (Output_merge_data::do_add_input_section): Record input section if
1911         keeps-input-sections flag is set.
1912         (Output_merge_string::do_add_input_section): Ditto.
1913         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1914         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1915         INPUT_SECTIONS_.
1916         (Output_merge_base::keeps_input_sections,
1917         Output_merge_base::set_keeps_input_sections,
1918         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1919         method definitions.
1920         (Output_merge_base::Input_sections): New type declaration.
1921         (Output_merge_base::input_sections_begin,
1922         Output_merge_base::input_sections_end,
1923         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1924         (Output_merge_base::bool keeps_input_sections_,
1925         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1926         Output_merge_base::input_sections_): New data members.
1927         (Output_merge_data::do_set_keeps_input_sections): New method
1928         defintion.
1929         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1930         * output.cc (Output_section::Input_section::relobj): Move method
1931         defintion from class declaration to here and handle merge sections.
1932         (Output_section::Input_section::shndx): Ditto.
1933         (Output_section::Output_section): Remove initializations of removed
1934         data members and initialize new data member LOOKUP_MAPS_.
1935         (Output_section::add_input_section): Set keeps-input-sections flag
1936         for a newly created merge output section as appropriate.  Adjust code
1937         to use Output_section_lookup_maps class.
1938         (Output_section::add_relaxed_input_section): Adjst code for lookup
1939         maps code refactoring.
1940         (Output_section::add_merge_input_section): Add a new parameter
1941         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1942         class.  If adding input section to a newly created merge output
1943         section fails, remove the new merge section.
1944         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1945         Adjust code for use of the Output_section_lookup_maps class.
1946         (Output_section::find_merge_section): Ditto.
1947         (Output_section::build_lookup_maps): New method defintion.
1948         (Output_section::find_relaxed_input_section): Adjust code to use
1949         Output_section_lookup_maps class.
1950         (Output_section::get_input_sections): Export merge sections.  Adjust
1951         code to use Output_section_lookup_maps class.
1952         (Output_section:::add_script_input_section): Adjust code to use
1953         Output_section_lookup_maps class.  Update lookup maps for merge
1954         sections also.
1955         (Output_section::discard_states): Use Output_section_lookup_maps.
1956         (Output_section::restore_states): Same.
1957         * output.h (Merge_section_properties): Move class defintion out of
1958         Output_section.
1959         (Output_section_lookup_maps): New class.
1960         (Output_section::Input_section::is_merge_section): New method
1961         defintion.
1962         (Output_section::Input_section::relobj): Move defintion out of class
1963         defintion.  Declare method only.
1964         (Output_section::Input_section::shndx): Ditto.
1965         (Output_section::Input_section::output_merge_base): New method defintion.
1966         (Output_section::Input_section::u2_.pomb): New union field.
1967         (Output_section::Merge_section_by_properties_map,
1968         Output_section::Output_section_data_by_input_section_map,
1969         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1970         Remove types.
1971         (Output_section::add_merge_input_section): Add new parameter
1972         KEEPS_INPUT_SECTIONS.
1973         (Output_section::build_lookup_maps): New method declaration.
1974         (Output_section::merge_section_map_,
1975         Output_section::merge_section_by_properties_map_,
1976         Output_section::relaxed_input_section_map_,
1977         Output_section::is_relaxed_input_section_map_valid_): Remove data
1978         members.
1979         (Output_section::lookup_maps_): New data member.
1980
1981 2010-05-21  Doug Kwan  <dougkwan@google.com>
1982
1983         PR gold/11619
1984         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1985         avoid a compilation error.
1986
1987 2010-05-19  Rafael Espindola  <espindola@google.com>
1988
1989         * script-sections.cc (Output_section_definition::allocate_to_segment):
1990         Update the phdrs_list even when the output section is NULL.
1991         * testsuite/Makefile.am: Add test.
1992         * testsuite/Makefile.in: Regenerate.
1993         * testsuite/script_test_9.cc: New.
1994         * testsuite/script_test_9.sh: New.
1995         * testsuite/script_test_9.t: New.
1996
1997 2010-05-19  Doug Kwan  <dougkwan@google.com>
1998
1999         * arm.cc (Arm_input_section::original_size): New method.
2000         (Arm_input_section::do_addralign): Add a cast.
2001         (Arm_input_section::do_output_offset): Remove static cast.
2002         (Arm_input_section::original_addralign,
2003          Arm_input_section::original_size_): Change type to uint32_t.
2004         (Arm_input_section::init): Add safe casts for section alignment
2005         and size.
2006         (Arm_input_section::set_final_data_size): Do not set address and
2007         offset of stub table.
2008         (Arm_output_section::fix_exidx_coverage): Change use of of
2009         Output_section::Simple_input_section to that of
2010         Output_section::Input_section.
2011         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
2012         except for the first pass.
2013         * output.cc (Output_section::get_input_sections): Change type of
2014         input_sections to std::list<Input_section>.
2015         (Output_section::add_script_input_section): Rename from
2016         Output_section::add_simple_input_section.  Change type of SIS
2017         parameter from Simple_input_section to Input_section.
2018         * output.h (Output_section::Simple_input_section): Remove class.
2019         (Output_section::Input_section): Change class visibility to public.
2020         (Output_section::Input_section::addralign): Use stored alignments
2021         for special input sections if set.
2022         (Output_section::Input_section::set_addralign): New method.
2023         (Output_section::get_input_sections): Change parameter type from
2024         list of Simple_input_section to list of Input_section.
2025         (Output_section::add_script_input_section): Rename from
2026         Output_section::add_simple_input_section. Change first parameter's
2027         type from Simple_input_section to Input_section and remove the
2028         second and third parameters.
2029         * script-sections.cc (Input_section::Input_section_list): Change
2030         type to list of Output_section::Input_section/
2031         (Input_section_info::Input_section_info): Change parameter type of
2032         INPUT_SECTION to Output_section::Input_section.
2033         (Input_section_info::input_section): Change return type.
2034         (Input_section_info::input_section_): Change type to
2035         Output_section::Input_section.
2036         (Output_section_element_input::set_section_addresses): Adjust code
2037         to use Output_section::Input_section instead of
2038         Output_section::Simple_input_section.  Adjust code for renaming
2039         of Output_section::add_simple_input_section.
2040         (Orphan_output_section::set_section_addresses): Ditto.
2041
2042 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2043
2044         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
2045         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
2046
2047 2010-05-18  Rafael Espindola  <espindola@google.com>
2048
2049         * options.cc (General_options::finalize): Handle -nostdlib.
2050         * options.h (nostdlib): New option.
2051         * script.cc (script_add_search_dir): Handle -nostdlib.
2052
2053 2010-05-12  Doug Kwan  <dougkwan@google.com>
2054
2055         * arm.cc (Target_arm::do_finalize_sections): Create an empty
2056         attributes section only if there no attributes section after merging.
2057         (Target_arm::merge_object_attributes): Move value of
2058         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
2059         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
2060         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
2061         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
2062         and arm_attr_merge_7.stdout.
2063         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
2064         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
2065         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
2066         arm_attr_merge_7b.o): New rules.
2067         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
2068         arm_attr_merge_7
2069         * testsuite/Makefile.in: Regenerate.
2070         * testsuite/arm_attr_merge.sh: New file.
2071         * testsuite/arm_attr_merge_[67][ab].s: Same.
2072
2073 2010-05-05  Nick Clifton  <nickc@redhat.com>
2074
2075         * po/es.po: Updated Spanish translation.
2076
2077 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2078
2079         * Makefile.am (install-exec-local): Properly install gold as
2080         default cross linker.
2081         * Makefile.in: Regenerated.
2082
2083 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2084             Nick Clifton  <nickc@redhat.com>
2085
2086         * configure.ac (install_as_default): Define and set to false
2087         unless --enable-gold or --enable-gold=both/gold has been
2088         specified.
2089         * configure: Regenerate.
2090
2091         * Makefile.am (install-exec-local): Install the executable as
2092         'ld.gold'.  If install_as_default is true then also install it as
2093         'ld'.
2094         * Makefile.in: Regenerated.
2095
2096 2010-04-24  Ian Lance Taylor  <iant@google.com>
2097
2098         * layout.cc (Layout::layout_reloc): In relocatable link don't
2099         combine reloc sections for grouped sections.
2100
2101 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
2102
2103         * gc.h (gc_process_relocs): Pass information on relocs pointing to
2104         sections that are not ordinary to icf.
2105         * icf.cc (get_section_contents): Handle relocation pointing to section
2106         with no object or shndx information.
2107         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
2108         * testsuite/Makefile.in: Regenerate.
2109         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
2110         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
2111
2112 2010-04-22  Ian Lance Taylor  <iant@google.com>
2113
2114         * expression.cc (Expression::Expression_eval_info): Add
2115         result_alignment_pointer field.
2116         (Expression::eval_with_dot): Add result_alignment_pointer
2117         parameter.  Change all callers.
2118         (Expression::eval_maybe_dot): Likewise.
2119         (class Binary_expression): Add alignment_pointer parameter to
2120         left_value and right_value.  Change all callers.
2121         (BINARY_EXPRESSION): Set result alignment.
2122         (class Trinary_expression): Add alignment_pointer parameter to
2123         arg2_value and arg3_value.  Change all callers.
2124         (Trinary_cond::value): Set result alignment.
2125         (Max_expression::value, Min_expression::value): Likewise.
2126         (Align_expression::value): Likewise.
2127         * script-sections.cc (class Sections_element): Add dot_alignment
2128         parameter to set_section_addresses virtual function.  Update
2129         instantiations.
2130         (class Output_section_element): Likewise.
2131         (Script_sections::create_segments): Add dot_alignment parameter.
2132         Change all callers.
2133         (Script_sections::create_segments_from_phdrs_clause): Likewise.
2134         (Script_sections::set_phdrs_clause_addresses): Likewise.
2135         * script-sections.h: Update declarations.
2136         * script.h: Update declarations.
2137         * output.h (Output_segment::set_minimum_p_align): Don't decrease
2138         min_p_align.
2139         * testsuite/script_test_3.t: Set large alignment.
2140         * testsuite/script_test_3.sh: Make sure that at least one LOAD
2141         segment has expected alignment.
2142
2143 2010-04-22  Nick Clifton  <nickc@redhat.com>
2144
2145         * po/gold.pot: Updated by the Translation project.
2146         * po/vi.po: Updated Vietnamese translation.
2147
2148 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
2149
2150         * testsuite/Makefile.am (check_PROGRAMS): Add
2151         icf_virtual_function_folding_test.
2152         * testsuite/Makefile.in: Regenerated.
2153
2154 2010-04-15  Andrew Haley  <aph@redhat.com>
2155
2156         * options.h (merge_exidx_entries): New option.
2157         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
2158         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
2159         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
2160         (Target_arm::merge_exidx_entries): New function.
2161         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
2162         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
2163         to Arm_exidx_fixup constructor.
2164         Add new arg, merge_exidx_entries.
2165         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
2166         Arm_output_section::fix_exidx_coverage.
2167
2168 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2169
2170         * icf.cc (get_section_contents): Check for preemptible functions.
2171         Ignore addend when appropriate.
2172         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2173         section folded.
2174         (add_from_relobj): Check for section folded.
2175         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2176         * symtab.h (should_add_dynsym_entry): Add new parameter.
2177         * target-reloc.h (scan_relocs): Check for section folded.
2178         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2179         Check reloc types for function pointers in shared objects.
2180         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2181         case.
2182         (icf_preemptible_functions_test): New test case.
2183         (icf_string_merge_test): New test case.
2184         * testsuite.Makefile.in: Regenerate.
2185         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2186         bar_glob.  Refactor code.
2187         * testsuite/icf_preemptible_functions_test.cc: New file.
2188         * testsuite/icf_preemptible_functions_test.sh: New file.
2189         * testsuite/icf_string_merge_test.cc: New file.
2190         * testsuite/icf_string_merge_test.sh: New file.
2191         * testsuite/icf_virtual_function_folding_test.cc: New file.
2192         * testsuite/icf_virtual_function_folding_test.sh: New file.
2193
2194 2010-04-14  Doug Kwan  <dougkwan@google.com>
2195
2196         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2197         for local symbol recounting if we remove a section due to ICF.
2198         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2199         there are no regular objects in input.
2200
2201 2010-04-13  Doug Kwan  <dougkwan@google.com>
2202
2203         * arm.cc (Arm_input_section::set_final_data_size): Compute
2204         accurate final data size instead of using current data size.
2205
2206 2010-04-09  Doug Kwan  <dougkwan@google.com>
2207
2208         * layout.cc (Layout::choose_output_section): Handle script section
2209         types.
2210         (Layout::make_output_section_for_script): Add section type parameter.
2211         Handle script section types.
2212         * layout.h (Layout::make_output_section_for_script): Add section
2213         type parameter.
2214         * output.cc (Output_section::Output_section): Initialize data member
2215         is_noload_.
2216         (Output_section::do_reset_address_and_file_offset): Do not set address
2217         to 0 if section is a NOLOAD section.
2218         * output.h (Output_section::is_noload): New method.
2219         (Output_section::set_is_noload): Ditto.
2220         (Output_section::is_noload_): New data member.
2221         * script-c.h (Script_section_type): New enum type.
2222         (struct Parser_output_section_header): Add new file section_type.
2223         * script-sections.cc (Sections_element::output_section_name): Add
2224         parameter for returning script section type.
2225         (Output_section_definition::output_section_name): Ditto.
2226         (Output_section_definition::section_type)P; New method.
2227         (Output_section_definiton::script_section_type_name): Ditto.
2228         (Output_section_definition::script_section_type_): New data member.
2229         (Output_section_definition::Output_section_definition): Initialize
2230         data member Output_section_definition::script_section_type_.
2231         (Output_section_definition::create_sections): Pass script section type
2232         to Layout::make_output_section_for_script.
2233         (Output_section_definition::output_section_name): Return script
2234         section type to caller.
2235         (Output_section_definition::set_section_address): Do not advance
2236         dot value and load address if section type is NOLOAD.  Set address
2237         of NOLOAD sections regardless of section flags.
2238         (Output_section_definition::print): Print section type if it is
2239         not SCRIPT_SECTION_TYPE_NONE.
2240         (Output_section_definition::section_type): New method.
2241         (Output_section_definition::script_section_type_name): Ditto.
2242         (Script_sections::output_section_name): Add new parameter
2243         PSECTION_TYPE for returning script section type.  Pass it to
2244         section elements.  Handle discard sections.
2245         (Sort_output_sections::operator()): Handle NOLOAD sections.
2246         * script-sections.h (Script_sections::Section_type): New enum type.
2247         (Script_sections::output_section_name): Add a new parameter for
2248         returning script section type.
2249         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2250         INFO and NOLOAD.
2251         * yyscript.y (union): Add new field SECTION_TYPE.
2252         (COPY, DSECT, INFO, NOLOAD): New tokens.
2253         (opt_address_and_section_type): Change type to output_section_header.
2254         (section_type): New non-terminal
2255         (section_header): Handle section type.
2256         (opt_address_and_section_type): Return section type value.
2257
2258 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2259
2260         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2261         * testsuite/plugin_common_test_2.c (foo): Likewise.
2262
2263 2010-04-08  Doug Kwan  <dougkwan@google.com>
2264
2265         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2266         Output_merge_data.
2267         * output.cc (Output_section::add_merge_input_section): Simplify
2268         code and return status of Output_merge_base::add_input_section.
2269         Update merge section map only if Output_merge_base::add_input_section
2270         returns true.
2271
2272 2010-04-07  Doug Kwan  <dougkwan@google.com>
2273
2274         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2275         if section is marked as containing instructions but has no mapping
2276         symbols.
2277         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2278         correct section index.
2279         (Arm_relobj::find_linked_text_section): Ditto.
2280
2281 2010-04-07  Cary Coutant  <ccoutant@google.com>
2282
2283         * archive.cc (include_member): Destroy Read_symbols_data object before
2284         releasing file.
2285         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2286         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2287         (Read_symbols_data::~Read_symbols_data) New destructor.
2288         (Section_relocs::Section_relocs) New constructor.
2289         (Section_relocs::~Section_relocs) New destructor.
2290         (Read_relocs_data::Read_relocs_data) New constructor.
2291         (Read_relocs_data::~Read_relocs_data) New destructor.
2292         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2293         pointers to NULL after deleting.
2294
2295 2010-04-07  Doug Kwan  <dougkwan@google.com>
2296
2297         * arm.cc: Replace "endianity" with "endianness" in comments.
2298         (Arm_exidx_cantunwind): Ditto.
2299         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2300         (Arm_relobj::merge_flags_and_attributes): New method.
2301         (Arm_relobj::merge_flags_and_attributes_): New data member.
2302         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2303         (Arm_relobj::scan_sections_for_stubs): Ditto.
2304         (Arm_relobj::do_read_symbols): Check to see if we really want to
2305         merge processor-specific flags and attributes.  Exit early if
2306         an object is empty except for section names and the undefined symbol.
2307         (Target_arm::do_finalize_sections): Move check for ELF format to
2308         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2309         attributes from a regular object only when we have determined that
2310         it is aapropriate.  Do not create an .ARM.attributes section in
2311         output if there is no regular input object.
2312         (Target_arm::merge_processor_specific_flags): Check
2313         --warn-mismatch before printing any error.
2314         (Target_arm::merge_object_attributes): Ditto.
2315         * gold.cc (queue_middle_tasks): Handle the case in which there is
2316         no regular object in input.
2317         * options.cc (General_options::parse_EB): New method.
2318         (General_options::parse_EL): Same.
2319         (General_options::General_options): Initialize endianness_.
2320         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2321         New options.
2322         (General_options::Endianness): New enum.
2323         (General_options::endianness): New method.
2324         (General_options::endianness_): New data member.
2325         * parameters.cc (Parameters::set_options): Check target endianness.
2326         (Parameters::set_target_once): Ditto.
2327         (Parameters::check_target_endianness): New method.
2328         (parameters_force_valid_target): If either -EL or -EB is specified,
2329         use it to define endianness of default target.
2330         * parameters.h (Parameters::check_target_endianness): New method
2331         declaration.
2332         * target.h (class Target): Change "endianity" to "endianness"
2333         in comments.
2334
2335 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2336
2337         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2338         * configure: Regenerate.
2339         * Makefile.in: Regenerate.
2340         * testsuite/Makefile.in: Regenerate.
2341
2342 2010-04-06  Cary Coutant  <ccoutant@google.com>
2343
2344         gcc PR lto/42757
2345         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2346         prevailing definitions of common symbols.
2347         * testsuite/plugin_test_6.sh: New test case.
2348         * testsuite/plugin_common_test_1.c: New test case.
2349         * testsuite/plugin_common_test_2.c: New test case.
2350         * testsuite/Makefile.am (plugin_test_6): New test case.
2351         * testsuite/Makefile.in: Regenerate.
2352
2353 2010-04-06  Nick Clifton  <nickc@redhat.com>
2354
2355         * po/vi.po: New Vietnamese translation.
2356
2357 2010-03-30  Doug Kwan  <dougkwan@google.com>
2358
2359         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2360
2361 2010-03-25  Doug Kwan  <dougkwan@google.com>
2362
2363         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2364         to avoid a conversion warning on a 32-bit host.
2365
2366 2010-03-24  Ian Lance Taylor  <iant@google.com>
2367
2368         * testsuite/script_test_3.t: Add a TLS segment.
2369         * testsuite/Makefile.am (check_PROGRAMS): Add
2370         tls_phdrs_script_test.
2371         (tls_phdrs_script_test_SOURCES): Define.
2372         (tls_phdrs_script_test_DEPENDENCIES): Define.
2373         (tls_phdrs_script_test_LDFLAGS): Define.
2374         (tls_phdrs_script_test_LDADD): Define.
2375         * testsuite/Makefile.in: Rebuild.
2376
2377 2010-03-23  Cary Coutant  <ccoutant@google.com>
2378
2379         * fileread.cc (find_or_make_view): Fix comment.
2380
2381 2010-03-23  Ian Lance Taylor  <iant@google.com>
2382
2383         * script-sections.cc (class Orphan_section_placement): Define
2384         PLACE_TLS and PLACE_TLS_BSS.
2385         (Orphan_section_placement::Orphan_section_placement): Initialize
2386         new places.
2387         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2388         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2389         (tls_script_test_SOURCES): Define.
2390         (tls_script_test_DEPENDENCIES): Define.
2391         (tls_script_test_LDFLAGS): Define.
2392         (tls_script_test_LDADD): Define.
2393         * testsuite/Makefile.in: Rebuild.
2394
2395 2010-03-22  Doug Kwan  <dougkwan@google.com>
2396
2397         * arm.cc (Arm_relocate_functions::abs8,
2398         Arm_relocate_functions::abs16): Use correct check for overflow
2399         specified in the ARM ELF specs.
2400         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2401         target of a BLX instruction specially.
2402         (Reloc_stub::stub_type_for_reloc): Ditto.
2403         (Relocate::relocate): Use symbolic names instead of numeric relocation
2404         codes to report error.
2405         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2406         workaround.
2407         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2408         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2409         thumb2_blx_out_of_range.stdout
2410         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2411         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2412         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2413         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2414         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2415         thumb2_blx_in_range, thumb2_blx_in_range.o,
2416         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2417         thumb2_blx_out_of_range.o): New rules.
2418         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2419         thumb2_blx_in_range and thumb2_blx_out_of_range.
2420         * testsuite/Makefile.in: Regenerate.
2421         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2422         * testsuite/thumb_blx_in_range.s: New file.
2423         * testsuite/thumb_blx_out_of_range.s: New file.
2424
2425 2010-03-22  Rafael Espindola  <espindola@google.com>
2426
2427         * archive.cc (Should_include): Move to archive.h.
2428         (should_include_member): Make it a member of Archive.
2429         (Lib_group): New.
2430         (Add_lib_group_symbols): New.
2431         * archive.h: Include options.h.
2432         (Archive_member): Moved from Archive.
2433         (Should_include): Moved from archive.cc.
2434         (Lib_group): New.
2435         (Add_lib_group_symbols): New.
2436         * dynobj.cc (do_should_include_member): New.
2437         * dynobj.h (do_should_include_member): New.
2438         * gold.cc (queue_initial_tasks): Update call to queue.
2439         * main.cc (main): Print lib group stats.
2440         * object.cc (do_should_include_member): New.
2441         * object.h: Include archive.h.
2442         (Object::should_include_member): New.
2443         (Object::do_should_include_member): New.
2444         (Sized_relobj::do_should_include_member): New.
2445         * options.cc (General_options::parse_start_lib): New.
2446         (General_options::parse_end_lib): New.
2447         (Input_arguments::add_file): Handle lib groups.
2448         (Input_arguments::start_group): Check we are not in a lib.
2449         (Input_arguments::start_lib): New.
2450         (Input_arguments::end_lib): New.
2451         * options.h (General_options): Add start_lib and end_lib.
2452         (Input_argument::lib_): New.
2453         (Input_argument::lib): New.
2454         (Input_argument::is_lib): New.
2455         (Input_file_lib): New.
2456         (Input_arguments::in_lib_): New.
2457         (Input_arguments::in_lib): New.
2458         (Input_arguments::start_lib): New.
2459         (Input_arguments::end_lib_): New.
2460         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2461         in unused members as preempted.
2462         (Sized_pluginobj::do_should_include_member): New.
2463         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2464         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2465         return the blocker.
2466         (Read_symbols::do_whole_lib_group): New.
2467         (Read_symbols::do_lib_group): New.
2468         (Read_symbols::do_read_symbols): Handle lib groups.
2469         (Read_symbols::get_name): Handle lib groups.
2470         * readsyms.h (Read_symbols): Add an archive member pointer.
2471         (Read_symbols::do_whole_lib_group): New.
2472         (Read_symbols::do_lib_group): New.
2473         (Read_symbols::member_): New.
2474         * script.cc (read_input_script): Update call to queue_soon.
2475
2476 2010-03-19  Doug Kwan  <dougkwan@google.com>
2477
2478         * arm.cc (Stub_table::Stub_table): Initialize new data members
2479         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2480         (Stub_table::add_reloc_stub): Assign stub offset and update
2481         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2482         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2483         New data members.
2484         (Stub_table::update_data_size_and_addralign): Use
2485         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2486         instead of going over all reloc stubs.
2487         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2488         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2489         Stringpool_template::offset_ to size of Stringpool_char.
2490         (Stringpool_template::new_key_offset): Remove code to initialize
2491         Stringpool_template::offset_.
2492         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2493         Stringpool_template::offset_ to zero.
2494
2495 2010-03-15  Doug Kwan  <dougkwan@google.com>
2496
2497         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2498         offset_.
2499         (Stringpool_template::new_key_offset): New method.
2500         (Stringpool_template::add_string): Assign offsets when adding new
2501         strings.
2502         (Stringpool_template::set_string_offsets): Do not set string offsets
2503         when not optimizing.
2504         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2505         member size_.
2506         (Chunked_vector::clear): Clear size_.
2507         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2508         (Chunked_vector::size): Return size_.
2509         (Chunked_vector::push_back): Use size_ to find insert position.
2510         (Chunked_vector::size_): New data member.
2511         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2512         (Stringpool_template::new_key_offset): New method declaration.
2513         (Stringpool_template::offset_): New data member.
2514
2515 2010-03-15   Rafael Espindola  <espindola@google.com>
2516
2517         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2518         Add_symbols' constructor.
2519         * readsyms.h (Add_symbols): Remove the input_group member.
2520
2521 2010-03-10  Ian Lance Taylor  <iant@google.com>
2522
2523         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2524         target to ask whether a reference to a symbol requires a stack
2525         split.
2526         * target.h (Target::is_call_to_non_split): New function.
2527         (Target::do_is_call_to_non_split): Declare virtual function.
2528         * target.cc: Include "symtab.h".
2529         (Target::do_is_call_to_non_split): New function.
2530         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2531
2532 2010-03-10  Cary Coutant  <ccoutant@google.com>
2533
2534         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2535         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2536         (File_read::open[2]): Add whole_file_view_ to list of views.
2537         (File_read::make_view): Remove test of whole_file_view_.
2538         (File_read::find_or_make_view): Create whole_file_view_ if
2539         necessary.
2540         (File_read::clear_views): Replace bool parameter with enum;
2541         adjust all callers.  Don't delete views with permanent data;
2542         do delete cached views and views from archives if
2543         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2544         if clearing the corresponding view.
2545         * fileread.h (File_read::Clear_views_mode): New enum.
2546         (File_read::View::is_permanent_view): New method.
2547         (File_read::clear_views): Replace bool parameter
2548         with enum; adjust all callers.
2549         * options.h (General_options): Change keep_files_mapped option;
2550         add map_whole_files.
2551         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2552         releasing the file.
2553         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2554         the file.
2555
2556 2010-03-10  David S. Miller  <davem@davemloft.net>
2557
2558         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2559
2560 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2561
2562         * icf.cc (get_section_contents): Add '@' marker after processing the
2563         merge reloc.
2564
2565 2010-03-08  Doug Kwan  <dougkwan@google.com>
2566
2567         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2568         due to a conversion warning.
2569         (Arm_relobj::update_output_local_symbol_count): Check for local
2570         symbol with unset output index.
2571
2572 2010-03-05  Ian Lance Taylor  <iant@google.com>
2573
2574         * options.h (class General_options): Add --spare-dynamic-tags.
2575         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2576         --spare-dynamic-tags.
2577
2578 2010-03-05  Ian Lance Taylor  <iant@google.com>
2579
2580         * incremental.cc: Include "libiberty.h".
2581
2582 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2583
2584         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2585         function, is_info_ member.
2586         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2587         (Versions::Versions): Update caller.
2588         (Versions::define_base_version): Likewise.
2589         (Versions::add_def): Likewise.
2590
2591 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2592
2593         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2594         (Scan::possible_function_pointer_reloc): New function.
2595         (Scan::local_reloc_may_be_function_pointer): Change to call
2596         possible_function_pointer_reloc.
2597         (Scan::global_reloc_may_be_function_pointer): Ditto.
2598         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2599         relocations in ".data.rel.ro._ZTV" section.
2600         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2601         * testsuite/icf_safe_so_test.cc: Ditto.
2602         * testsuite/icf_safe_test.cc: Ditto.
2603         * testsuite/icf_safe_test.sh: Ditto.
2604
2605 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2606             Ian Lance Taylor  <iant@google.com>
2607
2608         * target-reloc.h (relocate_section): Check the symbol table index
2609         for -1U before setting the local symbol index.
2610         (scan_relocatable_relocs): If copying the relocation, record that
2611         the local symbol is required.
2612         * object.h (Symbol_value::is_output_symtab_index_set): New
2613         function.
2614         (Symbol_value::may_be_discarded_from_output_symtab): New
2615         function.
2616         (Symbol_value::has_output_symtab_entry): New function.
2617         (Symbol_value::needs_output_symtab_entry): Remove.
2618         (Symbol_value::output_symtab_index): Make sure the symbol index is
2619         set.
2620         (Symbol_value::set_output_symtab_index): Make sure the symbol
2621         index is not set.  Make sure the new index is valid.
2622         (Symbol_value::set_must_have_output_symtab_entry): New function.
2623         (Symbol_value::has_output_dynsym_entry): New function.
2624         (Symbol_value::set_output_dynsym_index): Make sure the new index
2625         is valid.
2626         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2627         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2628         local symbol if permitted.
2629         (Sized_relobj::do_finalize_local_symbols): Call
2630         is_output_symtab_index_set rather than needs_output_symtab_entry.
2631         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2632         rather than needs_output_symtab_entry.  Call
2633         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2634         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2635         is_output_symtab_index_set rather than needs_output_symtab_entry.
2636         * testsuite/discard_locals_relocatable_test.c: New file.
2637         * testsuite/discard_locals_test.sh: Test -r.
2638         * testsuite/Makefile.am (check_DATA): Add
2639         discard_locals_relocatable_test1.syms,
2640         discard_local_relocatable_test2.syms.
2641         (MOSTLYCLEANFILES): Likewise.  Also add
2642         discard_locals_relocatable_test1.lout and
2643         discard_locals_relocatable_test2.out.
2644         (discard_locals_relocatable_test1.syms): New target.
2645         (discard_locals_relocatable_test.o): New target.
2646         (discard_locals_relocatable_test1.out): New target.
2647         (discard_locals_relocatable_test2.syms): New target.
2648         (discard_locals_relocatable_test2.out): New target.
2649         (various): Add missing ../ld-new dependencies.
2650         * testsuite/Makefile.in: Rebuild.
2651
2652 2010-03-03  Nick Clifton  <nickc@redhat.com>
2653
2654         * po/fi.po: New Finnish translation.
2655
2656 2010-03-01  Doug Kwan  <dougkwan@google.com>
2657
2658         * layout.cc (Layout::Layout): Force section types of .init_array*,
2659         .preinit_array* and .fini_array* sections.
2660         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2661         Fix check of return value of std::string::find.().
2662         (Output_section::Input_section_sort_compare::operator()): Remove
2663         comment about .init_array.
2664         (Output_section::Input_section_sort_init_fini_compare::operator()):
2665         New method.
2666         (Output_section::sort_attached_input_sections): Handle .init_array
2667         and .fini_array specially.
2668         * output.h (Output_section::Inut_section_sort_compare): Update
2669         comment.
2670         (Output_section::Input_section_sort_init_fini_compare): New struct.
2671
2672 2010-02-26  Doug Kwan  <dougkwan@google.com>
2673
2674         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2675         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2676         * testsuite/debug_msg.sh: Avoid matching source line number for
2677         use of global variable undef_int.
2678
2679 2010-02-26  Doug Kwan  <dougkwan@google.com>
2680
2681         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2682         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2683         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2684         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2685         * options.cc (General_options::General_options): Initialize member
2686         fix_v4bx_.
2687         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2688         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2689         and rm_no_fix_v4bx.stdout
2690         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2691         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2692         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2693         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2694         and arm_no_fix_v4bx.
2695         * Makefile.in: Regenerate.
2696         * testsuite/arm_fix_v4bx.s: New file.
2697         * testsuite/arm_fix_v4bx.sh: Ditto.
2698
2699 2010-02-24  Doug Kwan  <dougkwan@google.com>
2700
2701         * arm.cc (Target_arm::got_section): Make the .got section the first
2702         non RELRO section in the data segment.
2703         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2704         suffixes of section names.
2705
2706 2010-02-24  Doug Kwan  <dougkwan@google.com>
2707
2708         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2709         flags and attributes merging if an input file is a binary file.
2710         * fileread.cc (Input_file::open): Record format of original file.
2711         * fileread.h (Input_file::Format): New enum type.
2712         (Input_file::Input_file): Initialize data member format_.
2713         (Input_file::format): New method definition.
2714         (Input_file::format_):: New data member.
2715
2716 2010-02-24  Doug Kwan  <dougkwan@google.com>
2717
2718         * arm.cc (Arm_output_data_got): New class.
2719         (ARM_TCB_SIZE): New constant
2720         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2721         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2722         If user uses a script with a SECTIONS clause, issue only a warning
2723         for a misplaced EXIDX input section.  Otherwise, issue an error.
2724         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2725         garbage collection.
2726         (Target_arm::got_mode_index_entry): Handle static linking.
2727         (Target_arm::Scan::local): Ditto.
2728         (Target_arm::Scan::global): Ditto.
2729         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2730         all incorrectly implemented relocations.
2731         (Target_arm::fix_exidx_coverage): Pass layout to
2732         Arm_output_section::fix_exidx_coverage.
2733         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2734         from ".ARM.exidx." and ".ARM.extab.".
2735
2736 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2737
2738         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2739         section if it does not already exist.
2740         * attributes.cc (Attributes_section_data::Attributes_section_data):
2741         Don't crash if size is zero.
2742
2743 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2744             Ian Lance Taylor  <iant@google.com>
2745
2746         * gold.cc (queue_middle_tasks): If no input files were opened,
2747         exit.
2748         * workqueue.h (Task_function::Task_function): Assert that there is
2749         a blocker.
2750
2751 2010-02-22  Doug Kwan  <dougkwan@google.com>
2752
2753         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2754         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2755         types to avoid warnings due to different uint64_t implementations
2756         on different hosts.
2757
2758 2010-02-21  Doug Kwan  <dougkwan@google.com>
2759
2760         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2761         handling of the maximum backward branch offset.
2762         (Arm_relocate_functions::thumb_branch_common): Ditto.
2763         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2764         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2765         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2766         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2767         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2768         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2769         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2770         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2771         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2772         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2773         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2774         thumb2_bl_out_of_range.o): New rules.
2775         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2776         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2777         thumb2_bl_out_of_range
2778         * testsuite/Makefile.in: Regenerate.
2779         * testsuite/arm_bl_in_range.s: New file.
2780         * testsuite/arm_bl_out_of_range.s: Ditto.
2781         * testsuite/arm_branch_in_range.sh: Ditto.
2782         * testsuite/arm_branch_range.t: Ditto.
2783         * testsuite/thumb2_branch_range.t: Ditto.
2784         * testsuite/thumb_bl_in_range.s: Ditto.
2785         * testsuite/thumb_bl_out_of_range.s: Ditto.
2786         * testsuite/thumb_branch_range.t: Ditto.
2787
2788 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2789
2790         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2791         Add reloc offset information.
2792         * icf.cc (get_section_contents): Change iterators to point to the new
2793         vectors. Add reloc offset information to the contents.
2794         * icf.h (Icf::Sections_reachable_info): New typedef.
2795         (Icf::Sections_reachable_list): New typedef.
2796         (Icf::Offset_info): New typedef.
2797         (Icf::Reloc_info): New struct typedef.
2798         (Icf::Reloc_info_list): New typedef.
2799         (Icf::symbol_reloc_list): Delete method.
2800         (Icf::addend_reloc_list): Delete method.
2801         (Icf::section_reloc_list): Delete method.
2802         (Icf::reloc_info_list): New method.
2803         (Icf::reloc_info_list_): New member.
2804
2805 2010-02-19  Doug Kwan  <dougkwan@google.com>
2806
2807         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2808         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2809         * arm.cc (Arm_relocation_functions): New forward declaration.
2810         (Target_arm::Target_arm): Initialize new data members
2811         got_mod_index_offset_ and tls_base_symbol_defined_.
2812         (Target_arm::Relocate::relocate_tls): New method.
2813         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2814          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2815         New methods.
2816         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2817         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2818         (Target_arm::got_mod_index_offset_,
2819         Target_arm::tls_base_symbol_defined_): New data members.
2820         (Target_arm::Scan::local, Target::Scan::global,
2821         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2822         relocations.
2823
2824 2010-02-18  Doug Kwan  <dougkwan@google.com>
2825
2826         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2827         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2828         text section as a parameter becuase some broken tools may not set
2829         the link in section header.
2830         (Target_arm::has_got_section): New method.
2831         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2832         without any mapping symbol as data only.  Remove warning.
2833         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2834         link in its section header, try to discover the link by inspecting the
2835         REL31 relocation at the beginning of the section.
2836         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2837         in error message.
2838         (Target_arm::Scan::global): Treat any reference to the symbol
2839         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2840
2841 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2842
2843         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2844         (Scan::global_reloc_may_be_function_pointer): New function.
2845         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2846         (Scan::global_reloc_may_be_function_pointer): New function.
2847         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2848         (Scan::global_reloc_may_be_function_pointer): New function.
2849         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2850         (Scan::global_reloc_may_be_function_pointer): New function.
2851         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2852         (Scan::global_reloc_may_be_function_pointer): New function.
2853         (Scan::possible_function_pointer_reloc): New function.
2854         (Target_x86_64::can_check_for_function_pointers): New function.
2855         * gc.h (gc_process_relocs): Scan relocation types to determine if
2856         function pointers were taken for targets that support it.
2857         * icf.cc (Icf::find_identical_sections): Include functions for
2858         folding in safe ICF whose pointer is not taken.
2859         * icf.h (Secn_fptr_taken_set): New typedef.
2860         (fptr_section_id_): New member.
2861         (section_has_function_pointers): New function.
2862         (set_section_has_function_pointers): New function.
2863         (check_section_for_function_pointers): New function.
2864         * options.h: Fix comment for safe ICF option.
2865         * target.h (can_check_for_function_pointers): New function.
2866         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2867         Modify icf_safe_test for X86-64.
2868         * testsuite/Makefile.in: Regenerate.
2869         * testsuite/icf_safe_so_test.cc: New file.
2870         * testsuite/icf_safe_so_test.sh: New file.
2871         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2872         (main): Change to take pointer to function kept_func_3.
2873         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2874         folding is done correctly for X86-64.
2875
2876 2010-02-12  David S. Miller  <davem@davemloft.net>
2877
2878         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2879         is_symbolless parameter.
2880         (Output_reloc<SHT_REL>::is_symbolless): New.
2881         (Output_reloc<SHT_REL>::is_symbolless_): New.
2882         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2883         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2884         (Output_reloc<SHT_RELA>::is_symbolless): New.
2885         (Output_data_reloc::add_global): Handle is_symbolless.
2886         (Output_data_reloc::add_global_relative): Likewise.
2887         (Output_data_reloc::add_local): Likewise.
2888         (Output_data_reloc::add_local_relative): Likewise.
2889         (Output_data_reloc::add_symbolless_global_addend): New.
2890         (Output_data_reloc::add_symbolless_local_addend): New.
2891         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2892         is_symbolless.
2893         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2894         instead of ->is_relative_
2895         (Output_reloc::write): Likewise.
2896         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2897         (Output_reloc::write_rel): Simplify.
2898
2899         * sparc.cc (Target_sparc::Scan::local): Use
2900         ->add_symbolless_local_addend as needed.
2901         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2902         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2903         based upon relocation offset.
2904
2905 2010-02-11  Doug Kwan  <dougkwan@google.com>
2906
2907         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2908         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2909         beginning of function.
2910         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2911         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2912         parameter is_32bit in calls to should_apply_static_reloc.
2913         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2914         (check_DATA): Add arm_abs_global.stdout.
2915         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2916         arm_abs_global.stdout): New rules.
2917         (MOSTLLYCLEANFILES): Add arm_abs_global
2918         * Makefile.in: Regenerate.
2919         * testsuite/arm_abs_global.s: New file.
2920         * testsuite/arm_abs_global.sh: Ditto.
2921         * testsuite/arm_abs_lib.s: Ditto.
2922
2923 2010-02-11  Ian Lance Taylor  <iant@google.com>
2924
2925         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2926         Read_relocs task.
2927         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2928         Allocate_commons_task first.
2929         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2930         task, rather than symtab_lock_.
2931         (Gc_process_relocs::~Gc_process_relocs): New function.
2932         (Gc_process_relocs::is_runnable): Check this_blocker_.
2933         (Gc_process_relocs::locks): Use next_blocker_ rather than
2934         blocker_.
2935         (Scan_relocs::~Scan_relocs): New function.
2936         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2937         symtab_lock_.
2938         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2939         next_blocker_.
2940         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2941         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2942         constructor accordingly.
2943         (class Gc_process_relocs): Likewise.
2944         (class Scan_relocs): Likewise.
2945         * common.h (class Allocate_commons_task): Remove symtab_lock_
2946         field, and corresponding constructor parameter.
2947         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2948         symtab_lock_.
2949         (Allocate_commons_task::locks): Likewise.
2950
2951 2010-02-11  Ian Lance Taylor  <iant@google.com>
2952
2953         * gold-threads.h (class Once): Define.
2954         (class Initialize_lock): Rewrite as child of Once.
2955         * gold-threads.cc (class Once_initialize): Define.
2956         (once_pointer_control): New static variable.
2957         (once_pointer, once_arg): New static variables.
2958         (c_run_once): New static function.
2959         (Once::Once, Once::run_once, Once::internal_run): New functions.
2960         (class Initialize_lock_once): Remove.
2961         (initialize_lock_control): Remove.
2962         (initialize_lock_pointer): Remove.
2963         (initialize_lock_once): Remove.
2964         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2965         (Initialize_lock::initialize): Rewrite.
2966         (Initialize_lock::do_run_once): New function.
2967         * archive.cc (Archive::interpret_header): Only clear name if it is
2968         not already empty.
2969         * fileread.cc: Include "gold-threads.h"
2970         (file_counts_lock): New static variable.
2971         (file_counts_initialize_lock): Likewise.
2972         (File_read::release): Only increment counts when using --stats.
2973         Use a lock around the increment.
2974         * parameters.cc (class Set_parameters_target_once): Define.
2975         (set_parameters_target_once): New static variable.
2976         (Parameters::Parameters): Move here from parameters.h.
2977         (Parameters::set_target): Rewrite.
2978         (Parameters::set_target_once): New function.
2979         (Parameters::clear_target): Move here and rewrite.
2980         * parameters.h (class Parameters): Update declarations.  Add
2981         set_parameters_target_once_ field.
2982         (Parameters::Parameters): Move to parameters.cc.
2983         (Parameters::clear_target): Likewise.
2984         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2985         task.
2986         (Start_group::~Start_group): New function.
2987         (Start_group::is_runnable): New function.
2988         (Start_group::locks, Start_group::run): New functions.
2989         (Finish_group::run): Change saw_undefined to size_t.
2990         * readsyms.h (class Start_group): Define.
2991         (class Finish_group): Change saw_undefined_ field to size_t.
2992         (Finish_group::Finish_group): Remove saw_undefined and
2993         this_blocker parameters.  Change all callers.
2994         (Finish_group::set_saw_undefined): New function.
2995         (Finish_group::set_blocker): New function.
2996         * symtab.h (class Symbol_table): Change saw_undefined to return
2997         size_t.  Change saw_undefined_ field to size_t.
2998         * target-select.cc (Set_target_once::do_run_once): New function.
2999         (Target_selector::Target_selector): Initialize set_target_once_
3000         field.  Don't initialize lock_ and initialize_lock_ fields.
3001         (Target_selector::instantiate_target): Rewrite.
3002         (Target_selector::set_target): New function.
3003         * target-select.h (class Set_target_once): Define.
3004         (class Target_selector): Update declarations.  Make
3005         Set_target_once a friend.  Remove lock_ and initialize_lock_
3006         fields.  Add set_target_once_ field.
3007
3008 2010-02-10  Ian Lance Taylor  <iant@google.com>
3009
3010         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
3011         queueing any tasks.
3012         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
3013         (queue_middle_tasks): Add all blockers before queueing any tasks.
3014         (queue_final_tasks): Likewise.
3015         * token.h (Task_token::add_blockers): New function.
3016         * object.h (Input_objects::number_of_relobjs): New function.
3017
3018 2010-02-10  Ian Lance Taylor  <iant@google.com>
3019
3020         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
3021         shared, not if not position independent.
3022         * x86_64.cc (Relocate::relocate_tls): Likewise.
3023         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
3024         (tls_pie_pic_test): New target.
3025         * testsuite/Makefile.in: Rebuild.
3026
3027         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
3028         (tls_test_main_pie.o, tls_test_pie.o): New targets.
3029         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
3030         * testsuite/Makefile.in: Rebuild.
3031
3032 2010-02-09  David S. Miller  <davem@davemloft.net>
3033
3034         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
3035         R_SPARC_RELATIVE using ->add_local_relative().
3036         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
3037
3038         * output.h (Output_data_dynamic::add_section_size): New method
3039         that takes two Output_data objects.
3040         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
3041         entry param.  Handle it in initializers.
3042         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
3043         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
3044         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
3045         arg.
3046         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
3047         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
3048         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
3049         for dynrel_includes_plt.
3050         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3051         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3052         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
3053         before .rela.plt
3054         (Target_sparc::do_finalize_sections): Update to pass true for
3055         dynrel_includes_plt.
3056         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
3057         output before .rela.plt
3058         (Target_powerpc::do_finalize_sections): Update to pass true for
3059         dynrel_includes_plt when 32-bit.
3060
3061 2010-02-08  Doug Kwan  <dougkwan@google.com>
3062
3063         * arm.cc (Arm_relobj::simple_input_section_output_address): New
3064         method.
3065         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
3066         Arm_relobj::scan_section_for_cortex_a8_stubs,
3067         Arm_relobj::do_relocation_section): Instead of calling
3068         Output_section::output_address, use faster
3069         Arm_relobj::simple_input_section_output_address.
3070
3071 2010-02-08  David S. Miller  <davem@davemloft.net>
3072
3073         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
3074         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
3075         relocation helper function.
3076
3077         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
3078         just like R_SPARC_GOT{10,13,22}.
3079         (Target_sparc::Scan::local): Likewise.
3080         (Target_sparc::Relocate:relocate): Likewise.
3081
3082 2010-02-06  Ian Lance Taylor  <iant@google.com>
3083
3084         * configure.ac: Rewrite targetobjs duplicate removal code to use
3085         only shell constructs.
3086         * configure: Rebuild.
3087
3088 2010-02-05  Doug Kwan  <dougkwan@google.com>
3089
3090         PR 11247
3091         * arm.cc (Arm_relobj::section_is_scannable): New method.
3092         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
3093         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
3094
3095 2010-02-04  Doug Kwan  <dougkwan@google.com>
3096
3097         PR 11247
3098         * arm-reloc-property.cc (cstdio): Include.
3099         * configure.ac (targetobjs): Remove duplicates.
3100         * configure: Regenerate.
3101         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
3102         big and little endian version for a given address size.
3103
3104 2010-02-03  Doug Kwan  <dougkwan@google.com>
3105
3106         * arm-reloc-property.cc
3107         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3108         definition.
3109         * arm-reloc-property.h
3110         (Arm_reloc_property_table::get_implemented_static_reloc_property):
3111         New method definition.
3112         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3113         declaration.
3114         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
3115         overflow to N.
3116         (GOT_PREL): Change implemented to Y.
3117         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
3118         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
3119         (Arm_relocate_functions::movw_abs_nc): Remove method.
3120         (Arm_relocate_functions::movt_abs): Ditto.
3121         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
3122         (Arm_relocate_functions::thm_movt_abs): Ditto.
3123         (Arm_relocate_functions::movw_rel_nc): Ditto.
3124         (Arm_relocate_functions::movw_rel): Ditto.
3125         (Arm_relocate_functions::movt_rel): Ditto.
3126         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
3127         (Arm_relocate_functions:thm_movw_rel): Ditto.
3128         (Arm_relocate_functions:thm_movt_rel): Ditto.
3129         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
3130         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
3131         New method definitions.
3132         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
3133         (Arm_relocation_functions::arm_grp_ldr): Ditto.
3134         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
3135         (Arm_relocation_functions::arm_grp_ldc): Ditto.
3136         (Target_arm::Relocate::relocate): Check for non-static or
3137         unimplemented relocation code and exit early.  Change calls to
3138         Target_arm::reloc_uses_thumb_bit and
3139         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
3140         instead.  Refactor code to handle similar relocations to increase
3141         code sharing.  Remove check for unsupported relocation code in switch
3142         statement.
3143         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
3144         relocation property table to find out size.  Change error message to
3145         print out the name of a relocation code instead of the numeric value.
3146         (Target_arm::scan_reloc_for_stub): Use relocation property table
3147         instead of calling Target_arm::reloc_uses_thumb_bit().
3148
3149 2010-02-02  Doug Kwan  <dougkwan@google.com>
3150
3151         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
3152         types of relaxed input section.
3153
3154 2010-02-02  Doug Kwan  <dougkwan@google.com>
3155
3156         * Makefile.am (HFILES): Add arm-reloc-property.h.
3157         (DEFFILES): New.
3158         (TARGETSOURCES): Add arm-reloc-property.cc
3159         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
3160         (libgold_a_SOURCES): $(DEFFILES)
3161         * Makefile.in: Regenerate.
3162         * arm-reloc-property.cc: New file.
3163         * arm-reloc-property.h: New file.
3164         * arm-reloc.def: New file.
3165         * arm.cc: Update comments.
3166         (arm-reloc-property.h): New included header.
3167         (arm_reloc_property_table): New global variable.
3168         (Target_arm::do_select_as_default_target): New method definition.
3169         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3170         arm-reloc-property to targ_extra_obj.
3171         * parameters.cc (set_parameters_target): Call
3172         Target::select_as_default_target().
3173         * target.h (Target::select_as_default_target): New method definition.
3174         (Target::do_select_as_default_target): Same.
3175
3176 2010-02-01  Doug Kwan  <dougkwan@google.com>
3177
3178         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3179         first_output_text_section_.
3180         (Arm_exidx_fixup::first_output_text_section): New method definition.
3181         (Arm_exidx_fixup::first_output_text_section_): New data member.
3182         (Arm_exidx_fixup::process_exidx_section): Record the first text
3183         output section seen.
3184         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3185         and entsize in output section header.
3186
3187 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3188
3189         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3190         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3191         (Arm_relocate_functions::thm_alu11): New Method.
3192         (Arm_relocate_functions::thm_pc8): New Method.
3193         (Arm_relocate_functions::thm_pc12): New Method.
3194         (Target_arm::Scan::local): Handle the relocations.
3195         (Target_arm::Scan::global): Likewise.
3196         (Target_arm::Relocate::relocate): Likewise.
3197         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3198
3199 2010-01-29  Doug Kwan  <dougkwan@google.com>
3200
3201         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3202         of relocation types as ld.
3203
3204 2010-01-29  Doug Kwan  <dougkwan@google.com>
3205
3206         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3207         to public.
3208         (Arm_relocate_functions::thumb_branch_common): Ditto.
3209         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3210         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3211         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3212         Arm_relocate_functions::jump24): Remove.
3213         (Target_arm::Relocate::relocate): Adjust code to call
3214         Arm_relocation_functions::arm_branch_common and
3215         Arm_relocation_functions::thumb_branch_common instead of their removed
3216         wrappers.  Merge switch-cases together to reduce source code size.
3217
3218 2010-01-29  Doug Kwan  <dougkwan@google.com>
3219
3220         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3221         output_local_symbol_count_needs_update_.
3222         (Arm_relobj::output_local_symbol_count_needs_update,
3223          Arm_relobj::set_output_local_symbol_count_needs_update,
3224          Arm_relobj::update_output_local_symbol_count): New methods.
3225         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3226         member.
3227         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3228         of pointed function as in a R_ARM_PREL31 relocation.
3229         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3230         for output local symbol count updating.
3231         (Target_arm::do_relax): Update output local symbol counts in objects
3232         if necessary.
3233         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3234
3235 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3236
3237         * arm.cc: Added support for the ARM relocations:
3238         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3239         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3240         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3241         movw_prel_nc).
3242         (Arm_relocate_functions::movw_rel): New method.
3243         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3244         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3245         thm_movw_prel_nc).
3246         (Arm_relocate_functions::thm_movw_rel): New method.
3247         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3248         thm_movt_prel).
3249         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3250         relocations.
3251         (Target_arm::Scan::global): Likewise.
3252         (Target_arm::Relocate::relocate): Likewise.
3253         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3254         Likewise.
3255
3256 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3257
3258         * arm.cc: Added support for ARM group relocations.
3259         (Target_arm::reloc_needs_sym_origin): New method.
3260         (Arm_relocate_functions::calc_grp_kn): New method.
3261         (Arm_relocate_functions::calc_grp_residual): New method.
3262         (Arm_relocate_functions::calc_grp_gn): New method.
3263         (Arm_relocate_functions::arm_grp_alu): New Method.
3264         (Arm_relocate_functions::arm_grp_ldr): New Method.
3265         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3266         (Arm_relocate_functions::arm_grp_ldc): New Method.
3267         (Target_arm::Scan::local): Handle the ARM group relocations.
3268         (Target_arm::Scan::global): Likewise.
3269         (Target_arm::Relocate::relocate): Likewise.
3270         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3271         Likewise.
3272
3273 2010-01-26  Doug Kwan  <dougkwan@google.com>
3274
3275         * arm.cc (set): Include.
3276         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3277         pointer type.
3278         (Arm_output_section::Text_section_list): New type.
3279         (Arm_output_section::append_text_sections_to_list): New method.
3280         (Arm_output_section::fix_exidx_coverage): Ditto.
3281         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3282         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3283         Relobj::set_section_offset() instead of
3284         Sized_relobj::invalidate_section_offset().
3285         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3286         parameter for section headers. Ignore relocation sections for
3287         unallocated sections and EXIDX sections.
3288         (Target_arm::fix_exidx_coverage): New method.
3289         (Target_arm::output_section_address_less_than): New type.
3290         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3291         linked text section instead of the EXIDX section.
3292         (Arm_output_section::create_stub_group): Add an assertion to check
3293         that this is not an EXIDX output section.
3294         (Arm_output_section::append_text_sections_to_list): New method.
3295         (Arm_output_section::fix_exidx_coverage): Ditto.
3296         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3297         Arm_relobj::section_needs_reloc_stub_scanning.
3298         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3299         first pass.
3300         (Target_arm::fix_exidx_coverage): New method.
3301         * object.h (Relobj::set_output_section): New method.
3302         (Sized_relobj::invalidate_section_offset): Remove method.
3303         (Sized_relobj::do_invalidate_section_offset): Remove method.
3304         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3305
3306 2010-01-25  Doug Kwan  <dougkwan@google.com>
3307
3308         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3309         Fix warning due to signed and unsigned comparison on a 32-bit host.
3310
3311 2010-01-22  Doug Kwan  <dougkwan@google.com>
3312
3313         * arm.cc (Target_arm::do_relax): Record an output section for section
3314         offset adjustment it contains any stub table that has changed.
3315         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3316         offsets in an output section if necessary.
3317         * output.cc (Output_section::Output_section): Initialize
3318         section_offsets_need_adjustments_.
3319         (Output_section::add_input_section_for_script): Renamed to
3320         Output_section::add_simple_input_section.
3321         (Output_section::save_states): Add a comment.
3322         (Output_section::discard_states): New method defintion.
3323         (Output_section::adjust_section_offsets): Same.
3324         * output.h (Output_section::add_input_section_for_script): Renamed to
3325         Output_section::add_simple_input_section.
3326         (Output_section::discard_states): New method declaration.
3327         (Output_section::adjust_section_offsets): Same.
3328         (Output_section::section_offsets_need_adjustment,
3329         Output_section::set_section_offsets_need_adjustment): New method
3330         definitions.
3331         (Output_section::section_offsets_need_adjustment_): New data member.
3332         * script-sections.cc
3333         (Output_section_element_input::set_section_address): Adjust code for
3334         renaming of Output_section::add_input_section_for_script.
3335         (Orphan_output_section::set_section_address): Same.
3336
3337 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3338
3339         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3340         Fix_v4bx enum values .
3341         * gold/options.h (General_options): New option definitions.
3342         (General_options::fix_v4bx): New method.
3343         (General_options::Fix_v4bx): New enum.
3344         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3345         (General_options::parse_fix_v4bx_interworking): New method.
3346
3347 2010-01-22  Doug Kwan  <dougkwan@google.com>
3348
3349         * arm.cc (Arm_exidx_fixup): New class.
3350
3351 2010-01-21  Doug Kwan  <dougkwan@google.com>
3352
3353         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3354         classes.
3355         (Arm_exidx_section_offset_map): New type.
3356
3357 2010-01-21  Doug Kwan  <dougkwan@google.com>
3358
3359         * arm.cc (Arm_exidx_input_section): New class.
3360         (Arm_relobj::exidx_input_section_by_link,
3361         Arm_relobj::exidx_input_section_by_shndx,
3362         Arm_relobj::make_exidx_input_section): New methods.
3363         (read_arm_attributes_section): Remove.
3364         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3365         information about them.
3366         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3367         to here.
3368
3369 2010-01-20  Doug Kwan  <dougkwan@google.com>
3370
3371         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3372         Input_section_specifier to Section_id.
3373         (Target_arm::new_arm_input_section: Adjust code for change of key
3374         type.
3375         (Target_arm::find_arm_input_section): Ditto.
3376         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3377         (Section_id): Remove.
3378         (Garbage_collection::Section_id_hash): Remove.
3379         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3380         (Section_id): Remove.
3381         (Icf::Section_id_hash): Remove.
3382         * object.h (Section_id, Const_section_id, Section_id_hash,
3383         Const_section_id_hash): New type definitions.
3384         * output.cc (Output_section::add_relaxed_input_section): Change to
3385         use Const_section_id instead of Input_section_specifier as key type.
3386         (Output_section::add_merge_input_section): Ditto.
3387         (Output_section::build_relaxation_map): Change to use Section_id
3388         instead of Input_section_specifier as key type.
3389         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3390         Ditto.
3391         (Output_section::convert_input_sections_to_relaxed_sections): Change
3392         to use Const_section_id instead of Input_section_specifier as key type.
3393         (Output_section::find_merge_section): Ditto.
3394         (Output_section::find_relaxed_input_section): Ditto.
3395         * output.h (Input_section_specifier): Remove class.
3396         (Output_section::Output_section_data_by_input_section_map): Change
3397         key type to Const_section_id.
3398         (Output_section::Output_relaxed_input_section_by_input_section_map):
3399         Ditto.
3400         (Output_section::Relaxation_map): Change key type to Section_id.
3401
3402 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3403
3404         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3405         (class Arm_v4bx_stub): New class.
3406         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3407         (Stub_factory::make_arm_v4bx_stub): New method.
3408         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3409         (Stub_table::empty): Handle v4bx stubs.
3410         (Stub_table::add_arm_v4bx_stub): New method.
3411         (Stub_table::find_arm_v4bx_stub): New method.
3412         (Arm_relocate_functions::v4bx): New method.
3413         (Target_arm::fix_v4bx): New method.
3414         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3415         (Stub_table::relocate_stubs): Likewise.
3416         (Stub_table::do_write): Likewise.
3417         (Stub_table::update_data_size_and_addralign): Likewise.
3418         (Stub_table::finalize_stubs):  Likewise.
3419         (Target_arm::Scan::local): Likewise.
3420         (Target_arm::Scan::global): Likewise.
3421         (Target_arm::do_finalize_sections): Likewise.
3422         (Target_arm::Relocate::relocate): Likewise.
3423         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3424         Likewise.
3425         (Target_arm::scan_reloc_for_stub): Likewise.
3426         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3427
3428 2010-01-19  Ian Lance Taylor  <iant@google.com>
3429
3430         * output.cc (Output_section_headers::do_sized_write): Write large
3431         segment count to sh_info field.
3432         (Output_file_header::do_sized_write): For large segment count,
3433         write PN_XNUM to e_phnum field.
3434
3435 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3436
3437         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3438         (Arm_relocate_functions::thm_jump8): New function.
3439         (Arm_relocate_functions::thm_jump11): New function.
3440         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3441         R_ARM_THM_JUMP11.
3442         (Target_arm::Scan::global): Likewise.
3443         (Target_arm::Relocate::relocate): Likewise.
3444         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3445         Likewise.
3446
3447 2010-01-14  Doug Kwan  <dougkwan@google.com>
3448
3449         * arm.cc (map, utility): Include headers.
3450         (Target_arm::apply_cortex_a8_workaround): New method.
3451         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3452         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3453         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3454         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3455         the --[no-]fix-cortex-a8 command line options.
3456         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3457         (Target_arm::relocate_stub): Use addend in instruction template.
3458         * options.h (DEFINE_bool): Set the user-set flag.
3459         (General_options): Add --[no-]-fix-cortex options.
3460         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3461         : Update fast look-up map after conversion.
3462
3463 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3464
3465         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3466         in the first pass of do_layout.
3467
3468 2010-01-13  Doug Kwan  <dougkwan@google.com>
3469
3470         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3471         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3472         apparent compiler problem of not folding static constant integral
3473         data members of elfcpp::Elf_sizes<32>.
3474
3475 2010-01-13  Doug Kwan  <dougkwan@google.com>
3476
3477         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3478         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3479         Arm_relobj::scan_section_for_cortex_a8_erratum,
3480         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3481         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3482         sections to scan for relocation stubs into a new method
3483         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3484         relocation and Cortex-A8 stub scanning.
3485         (Target_arm::do_relax): Force stubs to be after stubbed sections
3486         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3487         the beginning of a new relaxation pass.  Update a comment.
3488         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3489
3490 2010-01-12  Ian Lance Taylor  <iant@google.com>
3491
3492         * target-reloc.h (visibility_error): New inline function.
3493         (relocate_section): Call visibility_error.
3494         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3495         (MOSTLYCLEANFILES): Likewise.
3496         (protected_4_pic.o, protected_3.err): New targets.
3497         * testsuite/protected_4.cc: New file.
3498
3499 2010-01-12  Doug Kwan  <dougkwan@google.com>
3500
3501         * arm.cc (Cortex_a8_reloc): New class.
3502         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3503         and cortex_a8_relocs_info_.
3504         (Target_arm::fix_cortex_a8): New method definition.
3505         (Target_arm::Cortex_a8_relocs_info): New type.
3506         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3507         New data member declarations.
3508         (Target_arm::scan_reloc_for_stub): Record information about
3509         relocations for THUMB branches that might be exempted from the
3510         Cortex-A8 workaround.
3511         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3512         at the beginning of a relaxation pass.
3513
3514 2010-01-12  Doug Kwan  <dougkwan@google.com>
3515
3516         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3517         (Arm_relobj::Mapping_symbol_position,
3518          Arm_reloj::Mapping_symbol_position_less,
3519          Arm_relobj::Mapping_symbols_info): New types.
3520         (Target_arm::is_mapping_symbol_name): New method definition.
3521         (Arm_relobj::do_count_local_symbols): Save information about mapping
3522         symbols.
3523
3524 2010-01-11  Doug Kwan  <dougkwan@google.com>
3525
3526         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3527         Arm_relocate_functions::thumb32_branch_upper,
3528         Arm_relocate_functions::thumb32_branch_lower,
3529         Arm_relocate_functions::thumb32_cond_branch_offset,
3530         Arm_relocate_functions::thumb32_cond_branch_upper,
3531         Arm_relocate_functions::thumb32_cond_branch_lower,
3532         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3533         branch offset encoding.
3534         (Arm_relocate_functions::thumb_branch_common): Use new branch
3535         offset encoding methods to avoid code duplication.
3536         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3537         (Stub_addend_reader::operator()): Use new branch encoding method
3538         to avoid code duplication.
3539
3540 2010-01-11  Doug Kwan  <dougkwan@google.com>
3541
3542         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3543         (Target_arm::do_finalize_sections): Define special EXIDX section
3544         symbols only if referenced.
3545         * gc.h (Garbage_collection::add_reference): New method.
3546         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3547         code duplication.
3548
3549 2010-01-11  Ian Lance Taylor  <iant@google.com>
3550
3551         * script.cc (Version_script_info::build_expression_list_lookup):
3552         Change complaing about duplicate wildcard match from error to
3553         warning.
3554
3555         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3556         of 2009-12-30.
3557         (Version_script_info::Version_script_info): Initialize globs_,
3558         default_version_, default_is_global_, and exact_.  Don't
3559         initialize globals_ or locals_.
3560         (Version_script_info::build_lookup_tables): Build local symbols
3561         first.
3562         (Version_script_info::unquote): New function.
3563         (Version_script_info::add_exact_match): New function.
3564         (Version_script_info::build_expression_list_lookup): Remove lookup
3565         parameter.  Add is_global parameter.  Change all callers.  Handle
3566         wildcard pattern specially.  Unquote pattern.  Call
3567         add_exact_match.
3568         (Version_script_info::get_name_to_match): New function.
3569         (Version_script_info::get_symbol_version): New function.
3570         (Version_script_info::get_symbol_version_helper): Remove.
3571         (Version_script_info::check_unmatched_names): Call unquote.
3572         * script.h (class Version_script_info): Change get_symbol_version
3573         to be non-inline and add is_global parameter; change all callers.
3574         Rewrite symbol_is_local.  Update declarations.  Define struct
3575         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3576         Remove globals_ and locals_ members.  Add exact_, globs_,
3577         default_version_, is_global_.
3578         (Version_script_info::Glob): Remove pattern, add expression and
3579         is_global.  Update constructor.  Change all callers.
3580         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3581         default version.
3582         (Versions::symbol_section_contents): If a symbol is undefined, or
3583         defined in a dynamic object, set the version index to
3584         VER_NDX_LOCAL.
3585         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3586         symbol_is_local.
3587         (Symbol_table::add_from_pluginobj): Likewise.
3588         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3589
3590 2010-01-11  Doug Kwan  <dougkwan@google.com>
3591
3592         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3593         (incremental_dump_LDADD): Add linking option for libintl.
3594         * Makefile.in: Regenerate.
3595
3596 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3597
3598         PR gold/11144
3599         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3600         instead of -Ds.
3601         * testsuite/Makefile.in: Regenerated.
3602
3603 2010-01-10  Doug Kwan  <dougkwan@google.com>
3604
3605         * options.h (DEFINE_var): Use parentheses around argument varname__
3606         in macro body to avoid any unintended subsequent substitutions.
3607
3608 2010-01-10  Ian Lance Taylor  <iant@google.com>
3609
3610         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3611         candidates before doing symbol resolution.
3612
3613         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3614         ODR candidates if only one is weak.
3615
3616 2010-01-08  Ian Lance Taylor  <iant@google.com>
3617
3618         * script.cc (Version_script_info::build_expression_list_lookup):
3619         Don't warn about ambiguous version, just record the ambiguity.
3620         (Version_script_info::get_symbol_version_helper): Give error if
3621         version is ambiguous.
3622
3623 2010-01-08  Doug Kwan  <dougkwan@google.com>
3624
3625         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3626           prev_data_size_ and prev_addralign_.  Remove initializer for
3627           deleted data member has_been_changed_.
3628           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3629           to determine if the table is empty.
3630           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3631           Remove.
3632           (Stub_table::add_reloc_stub): Define method in class definition
3633           instead of just declaring it there.
3634           (Stub_table::add_cortex_a8_stub): New method definition.
3635           (Stub_table::update_data_size_and_addralign): Ditto.
3636           (Stub_table::finalize_stubs): Ditto.
3637           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3638           (Stub_table::do_addralign_): Return address alignment in the
3639           (Stub_table::do_reset_address_and_file_offset): Define method in
3640           class definition instead of declaring it there.  Set current data
3641           size to be the data size of the previous pass.
3642           (Stub_table::set_final_data_size): Use current data size as the
3643           final data size.
3644           (Stub_table::relocate_stub): Change parameter type of stub from
3645           Reloc_stub pointer to Stub pointer.
3646           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3647           (Stub_table::Cortex_a8_stub_list): New typedef.
3648           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3649            Stub_table::prev_addralign_): New data member.
3650           (Arm_relobj::Arm_relobj): Initialize data member
3651           section_has_cortex_a8_workaround_.
3652           (Arm_relobj::section_has_cortex_a8_workaround,
3653            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3654            definitions.
3655           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3656           declarations.
3657           (Target_arm::relocate_stub): Change parameter type of stub from
3658           Reloc_stub pointer to Stub pointer.
3659           (Insn_template::size, Insn_template::alignment): Handle
3660           THUMB16_SPECIAL_TYPE.
3661           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3662            Stub_table::update_data_size_and_addralign,
3663            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3664           definitions.
3665           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3666           (Stub_table::do_write): Ditto.
3667           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3668
3669 2010-01-08  Ian Lance Taylor  <iant@google.com>
3670
3671         PR 11108
3672         * symtab.h (class Symbol): Remove fields is_target_special_ and
3673         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3674         (Symbol::is_defined_in_discarded_section): New function.
3675         (Symbol::set_is_defined_in_discarded_section): New function.
3676         (Symbol::has_plt_offset): Rewrite.
3677         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3678         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3679         Don't initialize is_target_special_ or has_plt_offset_.
3680         Initialize is_defined_in_discarded_section_.
3681         (Symbol_table::add_from_relobj): If appropriate, set
3682         is_defined_in_discarded_section.
3683         * resolve.cc (Symbol::override_base_with_special): Don't test
3684         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3685         * target-reloc.h (relocate_section): Do special handling for
3686         symbols defined in discarded sections for global symbols as well
3687         as local symbols.
3688
3689 2010-01-08  Ian Lance Taylor  <iant@google.com>
3690
3691         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3692         the SHT_SYMTAB case.
3693
3694 2010-01-08  Ian Lance Taylor  <iant@google.com>
3695
3696         * object.cc (Sized_relobj::do_layout): Don't get confused if
3697         layout_eh_frame returns NULL.
3698
3699 2010-01-08  Ian Lance Taylor  <iant@google.com>
3700
3701         PR 11084
3702         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3703         dynamic symbol table, use the normal symbol table.
3704         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3705         symbol table.
3706
3707 2010-01-08  Ian Lance Taylor  <iant@google.com>
3708
3709         PR 11072
3710         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3711         sections.
3712
3713 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3714
3715         * version.cc (print_version): Change to "Copyright 2010".
3716
3717 2010-01-08  Ian Lance Taylor  <iant@google.com>
3718
3719         PR 10287
3720         PR 11063
3721         * i386.cc (class Target_i386): Change return type of plt_section
3722         to be non-const.
3723         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3724         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3725         tls_desc_rel_ field.
3726         (Output_data_plt_i386::rel_tls_desc): New function.
3727         (Target_i386::rel_tls_desc_section): New function.
3728         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3729         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3730         R_386_TLS_DESC reloc in rel_tls_desc_section.
3731         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3732         Define struct Tlsdesc_info.
3733         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3734         (Target_x86_64::do_reloc_symbol_index): New function.
3735         (Target_x86_64::add_tlsdesc_info): New function.
3736         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3737         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3738         tlsdesc_rel_ field.
3739         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3740         all callers.
3741         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3742         (Target_x86_64::rela_tlsdesc_section): New function.
3743         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3744         handling.
3745         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3746         (Target_x86_64::do_reloc_addend): New function.
3747         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3748         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3749         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3750         (Output_reloc::type): New function.
3751         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3752         (Output_reloc::is_target_specific): New function.
3753         (Output_reloc::target_arg): New function.
3754         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3755         absolute relocs and target specific relocs.
3756         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3757         add_target_specific.
3758         (class Output_data_reloc) [SHT_RELA]: Likewise.
3759         * output.cc (Output_reloc::Output_reloc): Add four new versions
3760         for absolute relocs and target specific relocs.
3761         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3762         (Output_reloc::get_symbol_index): Likewise.
3763         (Output_reloc::local_section_offset): Check that local_sym_index_
3764         is not TARGET_CODE or 0.
3765         (Output_reloc::symbol_value): Likewise.
3766         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3767         reloc.
3768         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3769         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3770         functions.
3771         * layout.cc (add_target_dynamic_tags): Use output section for
3772         DT_PLTRELSZ and DT_JMPREL.
3773
3774 2010-01-07  Ian Lance Taylor  <iant@google.com>
3775
3776         PR 11061
3777         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3778         function.
3779         (class Output_data_reloc_generic): Define.
3780         (class Output_data_reloc_base): Change base class to
3781         Output_data_reloc_generic.  Change add() method to call
3782         bump_relative_reloc_count for a relative reloc.  Remove
3783         sort_relocs_ field.
3784         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3785         to sort_relocs().
3786         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3787         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3788         appropriate.
3789         * layout.h (class Layout): Update declaration.
3790
3791 2010-01-07  Ian Lance Taylor  <iant@google.com>
3792
3793         * output.h (class Output_data): Add const version of
3794         output_section and do_output_section.
3795         (class Output_section_data): Add const version of
3796         do_output_section.
3797         (class Output_section): Likewise.
3798         * layout.cc (Layout::add_target_dynamic_tags): New function.
3799         * layout.h (class Layout): Update declarations.
3800         * arm.cc (Target_arm::do_finalize_sections): Use
3801         add_target_dynamic_tags.
3802         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3803         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3804         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3805         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3806
3807 2010-01-07  Ian Lance Taylor  <iant@google.com>
3808
3809         PR 11042
3810         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3811         object as needed.
3812
3813 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3814             Ian Lance Taylor  <iant@google.com>
3815
3816         PR 11019
3817         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3818         Xindex::read_symtab_xindex.
3819
3820 2010-01-07  Doug Kwan  <dougkwan@google.com>
3821
3822         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3823         (Insn_template::thumb16_bcond_insn): New method declaration.
3824         (Insn_template): Fix spelling.
3825         (Stub::thumb16_special): New method declaration.
3826         (Stub::do_write): Define virtual method which was previously pure
3827         virtual.
3828         (Stub::do_thumb16_special): New method declaration.
3829         (Stub::do_fixed_endian_write): New template member.
3830         (Reloc_stub::do_write): Remove.
3831         (Reloc_stub::do_fixed_endian_write): Remove.
3832         (Cortex_a8_stub): New class definition.
3833         (Stub_factory::make_cortex_a8_stub): New method definition.
3834         (Stub_factory::Stub_factory): Add missing static storage class
3835         qualifier for elf32_arm_stub_a8_veneer_blx.
3836
3837 2010-01-07  Ian Lance Taylor  <iant@google.com>
3838
3839         PR 10980
3840         * options.h (class General_options): Add --warn-unresolved-symbols
3841         and --error-unresolved-symbols.
3842         * errors.cc (Errors::undefined_symbol): Implement
3843         --warn-unresolved-symbols.
3844
3845         * options.h (class General_options): Add -z text and -z textoff.
3846         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3847
3848 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3849
3850         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3851         (Garbage_collection::cident_sections): New function.
3852         (Garbage_collection::add_cident_section): New function.
3853         (Garbage_collection::cident_sections_): New member.
3854         (gc_process_relocs): Add references to sections whose names are C
3855         identifiers.
3856         * gold.h (cident_section_start_prefix): New constant.
3857         (cident_section_stop_prefix): New constant.
3858         (is_cident): New function.
3859         * layout.cc (Layout::define_section_symbols): Replace string constants
3860         with the newly defined constants.
3861         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3862         C identifiers.
3863         * testsuite/Makefile.am: Add gc_orphan_section_test.
3864         * testsuite/Makefile.in: Regenerate.
3865         * testsuite/gc_orphan_section_test.cc: New file.
3866         * testsuite/gc_orphan_section_test.sh: New file.
3867
3868 2010-01-06  Ian Lance Taylor  <iant@google.com>
3869
3870         PR 10980
3871         * options.h (class General_options): Add --warn-shared-textrel.
3872         * layout.cc (Layout::finish_dynamic_section): Implement
3873         --warn-shared-textrel.
3874
3875         PR 10980
3876         * options.h (class General_options): Add --warn-multiple-gp.
3877
3878 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3879
3880         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3881         $(THREADSLIB) and $(LIBDL).
3882         * Makefile.in: Rebuild.
3883
3884 2010-01-06  Ian Lance Taylor  <iant@google.com>
3885
3886         PR 10980
3887         * options.cc (General_options::parse_section_start): New function.
3888         (General_options::section_start): New function.
3889         (General_options::General_options): Initialize all members.
3890         * options.h: Include <map>
3891         (class General_options): Add --section-start.  Add section_starts_
3892         member.
3893         * layout.cc (Layout::attach_allocated_section_to_segment): If
3894         --section-start was used, set the address of the segment.  Remove
3895         local sort_sections.
3896         (Layout::relaxation_loop_body): If the address of the load segment
3897         has been set by --section-start, don't use it.
3898         * output.h (Output_segment::update_flags_for_output_section): New
3899         function.
3900         * output.cc (Output_segment::add_output_section): Call
3901         update_flags_for_output_section.
3902
3903 2010-01-05  Ian Lance Taylor  <iant@google.com>
3904
3905         PR 10980
3906         * options.h (class General_options): Add --undefined-version.
3907         * script.cc (struct Version_expression): Add was_matched_by_symbol
3908         field.
3909         (Version_script_info::matched_symbol): New function.
3910         (Version_script_info::get_symbol_version_helper): Call
3911         matched_symbol.
3912         (Version_script_info::check_unmatched_names): New function.
3913         * script.h (class Version_script_info): Update declarations.
3914         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3915
3916         * options.h (class General_options): Use DEFINE_bool_alias for
3917         allow_multiple_definition.
3918         * resolve.cc (Symbol_table::should_override): Don't test
3919         allow_multiple_definition.
3920
3921         PR 10980
3922         * options.h (class General_options): Add --cref.
3923         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3924         until after printing cref table.
3925         * cref.cc: Include "symtab.h".
3926         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3927         (Cref_table_compare::operator()): New function.
3928         (Cref_inputs::gather_cref): New function.
3929         (filecol): New static const.
3930         (Cref_inputs::print_cref): New function.
3931         (Cref::print_cref): New function.
3932         * cref.h: Include <cstdio>.
3933         (class Cref): Update declarations.
3934         * mapfile.h (Mapfile::file): New function.
3935         * object.h (class Object): Define Symbols.  Declare virtual
3936         do_get_global_symbols.
3937         (Object::get_global_symbols): New function.
3938         * object.cc (Input_objects::add_object): Pass object to cref_ if
3939         --cref.
3940         (Input_objects::archive_start): Likewise.
3941         (Input_objects::archive_stop): Likewise.
3942         (Input_objects::print_cref): New function.
3943         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3944         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3945         --cref.
3946         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3947         function.
3948         * plugin.h (class Sized_pluginobj): Update declarations.
3949
3950 2010-01-05  Ian Lance Taylor  <iant@google.com>
3951
3952         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3953         to is_default_version.  Rename insdef to insdefault.
3954         (Symbol_table::add_from_relobj): Rename def to is_default_version
3955         and local to is_forced_local.
3956         (Symbol_table::add_from_pluginobj): Likewise.
3957         (Symbol_table::add_from_dynobj): Likewise.
3958         (Symbol_table::define_special_symbol): Rename insdef to
3959         insdefault.
3960
3961 2010-01-04  Ian Lance Taylor  <iant@google.com>
3962
3963         PR 10980
3964         * options.h (class General_options): Add
3965         --allow-multiple-definition and -z muldefs.
3966         * resolve.cc (Symbol_table::should_override): Don't warn about a
3967         multiple symbol definition if --allow-multiple-definition or -z
3968         muldefs.
3969
3970         PR 10980
3971         * options.h (class General_options): Add --add-needed and
3972         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3973         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3974         error if --copy-dt-needed-entries aka --add-needed is used and
3975         would cause a change in behaviour.
3976
3977         PR 10980
3978         * options.h (class General_options): Add -G as a short version of
3979         --shared.  Add no-op options -assert, -g, and -i.
3980
3981 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3982
3983         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3984         check for .text or .gnu.linkonce.t sections.
3985         * icf.cc (Icf::find_identical_sections): Ditto.
3986         Change the detection for mangled function name within the section
3987         name.
3988         * icf.h (is_section_foldable_candidate): New function.
3989
3990 2009-12-30  Ian Lance Taylor  <iant@google.com>
3991
3992         PR 10980
3993         * options.h (class General_options): Permit two dashes with
3994         --retain-symbols-file.
3995
3996 2009-12-30  Ian Lance Taylor  <iant@google.com>
3997
3998         PR 10979
3999         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
4000         don't put the file header and segment headers in the text
4001         segment.
4002
4003         PR 10979
4004         * common.cc (Sort_commons::operator()): Stabilize sort when both
4005         entries are NULL.
4006         (Symbol_table::do_allocate_commons_list): When allocating common
4007         symbols, skip a symbol which is no longer common.
4008         * symtab.h (Symbol::is_common): Test whether the symbol comes from
4009         an object before checking its type.
4010         * testsuite/common_test_2.c: New file.
4011         * testsuite/common_test_3.c: New file.
4012         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
4013         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
4014         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
4015         (common_test_2_pic.o, common_test_2.so): New targets.
4016         (common_test_3_pic.o, common_test_3.so): New targets.
4017         * testsuite/Makefile.in: Rebuild.
4018
4019         PR 10979
4020         * script.cc (read_input_script): If we see a new SECTIONS clause,
4021         and we have added an input section, give an error.
4022         * layout.h (class Layout): Add have_added_input_section function.
4023         Add have_added_input_section_ field.
4024         * layout.cc (Layout::Layout): Initialize
4025         have_added_input_section_.
4026         (Layout::layout): Set have_added_input_section_.
4027         (Layout::layout_eh_frame): Likewise.
4028
4029 2009-12-30  Ian Lance Taylor  <iant@google.com>
4030
4031         PR 10931
4032         * options.h (class General_options): Add --sort-common option.
4033         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
4034         * common.cc (Sort_common): Add sort_order parameter to
4035         constructor.  Add sort_order_ field.
4036         (Sort_commons::operator): Check sort_order_.
4037         (Symbol_table::allocate_commons): Determine the sort order.
4038         (Symbol_table::do_allocate_commons): Add sort_order parameter.
4039         Change all callers.
4040         (Symbol_table::do_allocate_commons_list): Likewise.
4041
4042 2009-12-30  Ian Lance Taylor  <iant@google.com>
4043
4044         PR 10916
4045         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
4046         symbols from this object, don't change the visibility of an
4047         undefined symbol.
4048         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
4049
4050 2009-12-30  Ian Lance Taylor  <iant@google.com>
4051
4052         PR 10861
4053         * script.h (class Version_script_info): Define Language enum.
4054         Update declarations.  Define Glob, Exact, and Lookup types.  Add
4055         new fields globals_, locals_, and is_finalized_.
4056         * script.cc: Various formatting fixes.
4057         (class Parser_closure): Change language_stack_ from a vector of
4058         std::string to one of Version_script_info::Language.  Adjust all
4059         uses accordingly.
4060         (class Lazy_demangler): Remove.
4061         (struct Version_expression): Change language from std::string to
4062         Version_script_info::Language.
4063         (Version_script_info::Version_script_info): New function.
4064         (Version_script_info::~Version_script_info): Don't call clear.
4065         (Version_script_info::finalize): New function.
4066         (Version_script_info::build_lookup_tables): New function.
4067         (Version_script_info::build_expression_list_lookup): New
4068         function.
4069         (Version_script_info::get_symbol_version_helper): Rewrite to use
4070         lookup tables.
4071         (Version_script_info::print_expression_list): Adjust to use
4072         Version_script_info::Language.
4073         (script_push_lex_into_version_mode): Check that the version script
4074         has not been finalized.
4075         (version_script_push_lang): Change language string to
4076         Version_script_info::Language.
4077         * options.cc (Command_line::version_script): New function.
4078         * options.h (class General_options): Add finalize_dynamic_list
4079         function.  Change version_script from declaration to definition.
4080         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
4081         * testsuite/version_script.map: Remove duplicate def of foo.
4082         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
4083         version_script.map.
4084         * testsuite/Makefile.in: Rebuild.
4085
4086 2009-12-30  Ian Lance Taylor  <iant@google.com>
4087
4088         PR 10843
4089         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
4090         if the input symbol index is 0, make the output symbol index 0.
4091
4092 2009-12-30  Ian Lance Taylor  <iant@google.com>
4093
4094         PR 10670
4095         * options.h (class General_options): Add -x/--discard-all.
4096         * object.cc (Sized_relobj::do_count_local_symbols): Handle
4097         --discard-all.  If the local symbol needs a dynamic entry, check
4098         that before handling --discard-locals.
4099
4100 2009-12-30  Ian Lance Taylor  <iant@google.com>
4101
4102         PR 10450
4103         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
4104         flags to PF_R.
4105         (Output_segment::add_output_section): Don't change the flags if
4106         the type is PT_TLS.
4107
4108         PR 10450
4109         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
4110         GNU hash table if they need a dynamic value.  Otherwise, don't add
4111         them if they are defined in a dynamic object or are forced local.
4112
4113 2009-12-29  Ian Lance Taylor  <iant@google.com>
4114
4115         PR 10450
4116         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
4117         .gnu.hash table for a 32-bit target.
4118
4119         PR 10450
4120         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
4121         regular and a dynamic object only needs a dynamic symbol table
4122         entry if it is externally visible.
4123
4124         PR 10450
4125         * i386.cc (class Target_i386): Initialize global_offset_table_ in
4126         constructor.  Add global_offset_table_ field.
4127         (Target_i386::got_section): Set global_offset_table_.
4128         (Target_i386::do_finalize_sections): Set global_offset_table_
4129         size.
4130         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
4131         in constructor.  Add global_offset_table_ field.
4132         (Target_x86_64::got_section): Set global_offset_table_.
4133         (Target_x86_64::do_finalize_sections): Set global_offset_table_
4134         size.
4135
4136         * layout.cc (Layout::Layout): Initialize increase_relro_.
4137         (Layout::get_output_section): Add is_relro, is_last_relro, and
4138         is_first_non_relro parameters.  Change all callers.
4139         (Layout::choose_output_section): Likewise.
4140         (Layout::add_output_section_data): Likewise.
4141         (Layout::make_output_section): Likewise.
4142         (Layout::set_segment_offsets): Clear increase_relro when using a
4143         linker script.
4144         * layout.h (class Layout): Add increase_relro method.  Add
4145         increase_relro_ field.  Update declarations.
4146         * output.cc (Output_section::Output_section): Initialize
4147         is_last_relro_ and is_first_non_relro_.
4148         (Output_segment::add_output_section): Group relro sections is
4149         do_sort is true.  Handle is_last_relro and is_first_non_relro.
4150         (Output_segment::maximum_alignment): Remove relro handling.
4151         (Output_segment::set_section_addresses): Add increase_relro
4152         parameter.  Change all callers.  Add initial alignment to align
4153         relro sections on separate page.  Remove old relro handling.
4154         (Output_segment::set_section_list_addresses): Remove in_relro
4155         parameter.  Change all callers.
4156         (Output_segment::set_offset): Add increase parameter.  Change all
4157         callers.  Remove old relro handling.
4158         * output.h (class Output_section): Add new methods: is_last_relro,
4159         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
4160         Add is_last_relro_ and is_first_non_relro_ fields.
4161         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
4162         Create separate .got.plt section.  Call increase_relro.
4163         * x86_64.cc (Target_x86_64::got_section): Likewise.
4164         * testsuite/relro_script_test.t: Add .got.plt.
4165
4166         PR 10450
4167         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
4168         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
4169         (Layout::finalize): Call set_dynamic_symbol_size.
4170         (Layout::set_dynamic_symbol_size): New function.
4171         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4172         set_dynamic_symbol_size.
4173
4174         PR 10450
4175         * output.h (class Output_section): Add is_entsize_zero_ field.
4176         * output.cc (Output_section::Output_section): Initialize
4177         is_entsize_zero_.
4178         (Output_section::set_entsize): If two different entsizes are
4179         requested, force it to zero.
4180         (Output_section::add_input_section): Set flags for .debug_str
4181         before updating section flags.  Set entsize.
4182         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4183         and SHF_STRING if all input sections have those flags.
4184
4185 2009-12-29   Rafael Espindola  <espindola@google.com>
4186
4187         * main.cc (main): Fix the sys time reporting.
4188         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4189         reporting.
4190
4191 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4192
4193         * options.cc (General_options::parse_version): Allow -v to exit
4194         without an error if there is nothing to link.
4195
4196 2009-12-29  Ian Lance Taylor  <iant@google.com>
4197
4198         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4199         using a version of gcc before 4.1.
4200         * configure: Rebuild.
4201
4202 2009-12-28  Chris Demetriou  <cgd@google.com>
4203
4204         * attributes.cc (Output_attributes_section_data::do_write): Use
4205         std::vector::front rather than std::vector::data.
4206
4207 2009-12-28  Ian Lance Taylor  <iant@google.com>
4208
4209         * symtab.h (class Symbol_table): Add enum Defined.
4210         * resolve.cc (Symbol_table::should_override): Add defined
4211         parameter.  Change all callers.  Test whether object is NULL
4212         before calling a method on it.
4213         (Symbol_table::report_resolve_problem): Add defined parameter.
4214         Change all callers.
4215         (Symbol_table::should_override_with_special): Likewise.
4216         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4217         parameter.  Change all callers.
4218         (Symbol_table::do_define_in_output_data): Likewise.
4219         (Symbol_table::define_in_output_segment): Likewise.
4220         (Symbol_table::do_define_in_output_segment): Likewise.
4221         (Symbol_table::define_as_constant): Likewise.
4222         (Symbol_table::do_define_as_constant): Likewise.
4223         * script.h (class Symbol_assignment): Add is_defsym parameter to
4224         constructor; change all callers.
4225         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4226         parameter.  Change all callers.  Add is_defsym_ field.
4227         (class Parser_closure): Add parsing_defsym parameter to
4228         constructor; change all callers.  Add parsing_defsym accessor
4229         function.  Add parsing_defsym_ field.
4230
4231 2009-12-28  Ian Lance Taylor  <iant@google.com>
4232
4233         * gold.cc (queue_middle_tasks): Fix formatting.
4234         * object.cc (Relobj::is_section_name_included): Likewise.
4235
4236 2009-12-23  Ian Lance Taylor  <iant@google.com>
4237
4238         * i386.cc (Target_i386::do_calls_non_split): Recognize
4239         -fsplit-stack prologue for a function with a static chain.
4240         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4241         -fsplit-stack prologue when using %r11.
4242
4243 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4244
4245         * options.cc (General_options::parse_version): Make -v continue and do
4246         the link like GNU ld does.
4247
4248 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4249
4250         * Makefile.am (CCFILES): Add timer.cc.
4251         (HFILES): Add timer.h.
4252         * configure.ac: Check for sysconf and times.
4253         * main.cc: include timer.h.
4254         (main): Use Timer instead of get_run_time.
4255         * timer.cc: New.
4256         * timer.h: New.
4257         * workqueue.cc: include timer.h.
4258         (Workqueue::find_and_run_task):
4259         Report user, sys and wall time.
4260         * Makefile.in: Regenerate.
4261         * config.in: Regenerate.
4262         * configure: Regenerate.
4263
4264 2009-12-16  Doug Kwan  <dougkwan@google.com>
4265
4266         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4267         sections.
4268         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4269         relaxed input sections.
4270         * output.cc (Output_section::find_relaxed_input_section): Change
4271         return type to Output_relaxed_input_section pointer.  Adjust code
4272         for new type of relaxed_input_section_map_.
4273         * output.h (Output_section::find_relaxed_input_section): Change
4274         return type to Output_relaxed_input_section pointer.
4275         (Output_section::Output_relaxed_input_section_by_input_section_map):
4276         New type.
4277         (Output_section::relaxed_input_section_map_): Change type to
4278         Output_section::Output_relaxed_input_section_by_input_section_map.
4279         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4280         input section.
4281
4282 2009-12-15  Ian Lance Taylor  <iant@google.com>
4283
4284         * layout.cc (Layout::create_shstrtab): Only write out after input
4285         sections if we are compressing debug sections.
4286
4287 2009-12-15  Ian Lance Taylor  <iant@google.com>
4288
4289         * archive.cc (Archive::add_symbols): Only look up a symbol without
4290         a version if there is, in fact, a version.
4291
4292 2009-12-14  Ian Lance Taylor  <iant@google.com>
4293
4294         Revert -Wshadow changes, all changes from:
4295         2009-12-11  Doug Kwan  <dougkwan@google.com>
4296         2009-12-11  Nick Clifton  <nickc@redhat.com>
4297         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4298
4299 2009-12-11  Doug Kwan  <dougkwan@google.com>
4300
4301         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4302         due to -Wshadow.
4303         * attributes.cc (Object_attribute::size): Ditto.
4304         (Attributes_section_data::size): Ditto.
4305         (Attributes_section_data::Attributes_section_data): Ditto.
4306         (Output_attributes_section_data::do_write): Ditto.
4307         * attributes.h (Object_attribute::set_type): Ditto.
4308         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4309
4310 2009-12-11  Nick Clifton  <nickc@redhat.com>
4311
4312         * archive.cc: Fix shadowed variable warnings.
4313         * arm.cc: Likewise.
4314         * compressed_output.cc: Likewise.
4315         * compressed_output.h: Likewise.
4316         * configure: Likewise.
4317         * dwarf_reader.cc: Likewise.
4318         * dynobj.cc: Likewise.
4319         * dynobj.h: Likewise.
4320         * ehframe.cc: Likewise.
4321         * ehframe.h: Likewise.
4322         * errors.cc: Likewise.
4323         * expression.cc: Likewise.
4324         * fileread.cc: Likewise.
4325         * fileread.h: Likewise.
4326         * freebsd.h: Likewise.
4327         * i386.cc: Likewise.
4328         * icf.cc: Likewise.
4329         * incremental.h: Likewise.
4330         * layout.cc: Likewise.
4331         * layout.h: Likewise.
4332         * mapfile.cc: Likewise.
4333         * merge.cc: Likewise.
4334         * merge.h: Likewise.
4335         * object.cc: Likewise.
4336         * object.h: Likewise.
4337         * options.h: Likewise.
4338         * output.cc: Likewise.
4339         * output.h: Likewise.
4340         * parameters.cc: Likewise.
4341         * plugin.cc: Likewise.
4342         * powerpc.cc: Likewise.
4343         * reduced_debug_output.cc: Likewise.
4344         * reduced_debug_output.h: Likewise.
4345         * reloc.cc: Likewise.
4346         * reloc.h: Likewise.
4347         * resolve.cc: Likewise.
4348         * script-sections.cc: Likewise.
4349         * script.cc: Likewise.
4350         * script.h: Likewise.
4351         * sparc.cc: Likewise.
4352         * symtab.cc: Likewise.
4353         * symtab.h: Likewise.
4354         * target-select.cc: Likewise.
4355         * target-select.h: Likewise.
4356         * token.h: Likewise.
4357         * workqueue.cc: Likewise.
4358         * workqueue.h: Likewise.
4359         * x86_64.cc: Likewise.
4360
4361 2009-12-10  Doug Kwan  <dougkwan@google.com>
4362
4363         * arm.cc (attributes.h): New include.
4364         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4365         (Arm_relobj::~Arm_relobj): Delete object pointed by
4366         attributes_section_data_.
4367         (Arm_relobj::attributes_section_data): New method definition.
4368         (Arm_relobj::attributes_section_data_): New data member declaration.
4369         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4370         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4371         attributes_section_data_.
4372         (Arm_dynobj::attributes_section_data): New method definition.
4373         (Arm_dynobj::attributes_section_data_): New data member declaration.
4374         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4375         initialization value of may_use_blx_ to false.
4376         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4377         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4378         object attributes to compute results instead of hard-coding.
4379         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4380         Target_arm::get_secondary_compatible_arch,
4381         Target_arm::set_secondary_compatible_arch
4382         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4383         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4384         New method declarations.
4385         (Target_arm::get_aeabi_object_attribute): New method definition.
4386         (Target_arm::attributes_section_data_): New data member declaration.
4387         (read_arm_attributes_section): New template definition.
4388         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4389         (Arm_dynobj::do_read_symbols): Ditto.
4390         (Target_arm::do_finalize_sections): Merge attributes sections from
4391         input.  Check for BLX use after attributes section merging.
4392         Fix __exidx_start and __exidx_end visibility.  Create an
4393         .ARM.attributes section if necessary.
4394         (Target_arm::get_secondary_compatible_arch,
4395         Target_arm::set_secondary_compatible_arch,
4396         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4397         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4398         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4399         New method definitions.
4400
4401 2009-12-09  Ian Lance Taylor  <iant@google.com>
4402
4403         * plugin.cc (Plugin::load): Don't cast from void* to a function
4404         pointer.
4405
4406 2009-12-09  Ian Lance Taylor  <iant@google.com>
4407
4408         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4409         information fields.
4410
4411 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4412
4413         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4414         Replace two_file_shared_1.so with two_file_shared_2.so.
4415         * testsuite/Makefile.in: Regenerated.
4416
4417 2009-12-08  Doug Kwan  <dougkwan@google.com>
4418
4419         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4420         (HFILES): Add attributes.h and int_encoding.h.
4421         * Makefile.in: Regenerate.
4422         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4423         function definitions to int_encoding.cc
4424         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4425         prototypes to int_encoding.h
4426         * reduced_debug_output.cc (int_encoding.h): New include.
4427         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4428         function definitions to int_encoding.cc
4429         (insert_into_vector, read_from_pointer): Move template definitions to
4430         int_encoding.h
4431         * attributes.cc: New file.
4432         * attributes.h: New file.
4433         * int_encoding.cc: New file.
4434         * int_encoding.h: New file.
4435
4436 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4437
4438         PR gold/11055
4439         * incremental-dump.cc (dump_incremental_inputs): New.
4440         (main): Use dump_incremental_inputs.
4441
4442 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4443
4444         PR gold/10893
4445         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4446         checking elfcpp::STT_FUNC.
4447         (Target_i386::Relocate::relocate): Likewise.
4448         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4449
4450         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4451         symbols from shared libraries into normal FUNC symbols.
4452
4453         * symtab.h (Symbol): Add is_func and use it.
4454
4455 2009-12-05  Doug Kwan  <dougkwan@google.com>
4456
4457         * arm.cc (Target_arm::arm_info): Initialize new fields
4458         attributes_section and attributes_vendor.
4459         * i386.cc (Target_i386::i386_info): Same.
4460         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4461         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4462         fields attributes_section and attributes_vendor.
4463         * sparc.cc (Target_sparc::sparc_info): Same.
4464         * target.h (Target::attributes_section, Target::attributes_vendor,
4465         Target::is_attributes_section, Target::attribute_arg_type,
4466         Target::attributes_order): New method definitions.
4467         (Target::Target_info::attributes_section,
4468         Target::Target_info::attributes_vendor): New fields.
4469         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4470         virtual method definitions.
4471         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4472         attributes_section and attributes_vendor.
4473         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4474
4475 2009-12-05  Doug Kwan  <dougkwan@google.com>
4476
4477         * arm.cc: Update comments about interworking and stub generation.
4478         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4479         considered as non-PIC.
4480         (Arm_relocate_functions::base_abs): Fix formatting.
4481         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4482         of function to use GOT entry address instead of offset.
4483         (Target_arm::Scan::global): Issue an error if a symbol would need a
4484         PLT does not get one because it is untyped.  Remove code to create
4485         dynamic symbols for relative branches.
4486         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4487         takes unsigned integer instead of boolean.
4488
4489 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4490
4491         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4492         (two_file_test_LDADD): Likewise.
4493         (common_test_1_LDADD): Likewise.
4494         (exception_test_LDADD) Likewise.
4495         (weak_test_LDADD): Likewise.
4496         (many_sections_test_LDADD): Likewise.
4497         (initpri1_LDADD): Likewise.
4498         (script_test_1_LDADD): Likewise.
4499         (script_test_2_LDADD): Likewise.
4500         (justsyms_LDADD): Likewise.
4501         (binary_test_LDADD): Likewise.
4502         (large_LDADD): Likewise.
4503         * testsuite/Makefile.in: Regenerated.
4504
4505 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4506
4507         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4508         (Symbol_table::override_with_special): Likewise.
4509         (Symbol_table::add_from_object): Likewise.
4510
4511 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4512
4513         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4514         Don't set the data_offset twice.
4515
4516 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4517
4518         * testsuite/Makefile.in: Regenerate.
4519
4520 2009-12-03  Doug Kwan  <dougkwan@google.com>
4521
4522         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4523         (Target_arm::do_finalize_sections): Add parameter for symbol table
4524         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4525         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4526         parameter for symbol table pointer.
4527         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4528         an additional parameter for a pointer to symbol table.
4529         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4530         parameter for a symbol table pointer.
4531         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4532         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4533         Ditto.
4534         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4535         parameter for a symbol table pointer.
4536
4537 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4538
4539         * incremental.cc (Incremental_inputs_header)
4540         (Incremental_inputs_header_write, Incremental_inputs_entry)
4541         (Incremental_inputs_entry_write): Move ...
4542         * incremental.h (Incremental_inputs_header)
4543         (Incremental_inputs_header_write, Incremental_inputs_entry)
4544         (Incremental_inputs_entry_write): here.
4545
4546 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4547
4548         * incremental.cc (make_sized_incremental_binary): Set the target.
4549         Error if it is incompatible.
4550         * output.h (Output_file): Add filename method.
4551
4552 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4553
4554         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4555         from the get_* methods.
4556
4557 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4558
4559         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4560         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4561         Write 0 for the data_offset of scripts.
4562
4563 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4564
4565         * testsuite/Makefile.am: Add the incremental_test.sh test.
4566         * testsuite/incremental_test.sh: New.
4567         * testsuite/incremental_test_1.c: New.
4568         * testsuite/incremental_test_2.c: New.
4569
4570 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4571
4572        * incremental-dump.cc (main): Fix typos.
4573
4574 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4575
4576         PR gold/11025
4577         * incremental-dump.cc (main): Use llu to print 64 bit values.
4578
4579 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
4580             H.J. Lu  <hongjiu.lu@intel.com>
4581
4582         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4583         $(LIBDL).
4584         (incremental_dump_LDADD): Likewise.
4585         * Makefile.in: Regenerated.
4586
4587 2009-11-25  Doug Kwan  <dougkwan@google.com>
4588
4589         Revert:
4590
4591         2009-11-25  Doug Kwan  <dougkwan@google.com>
4592
4593                 * arm.cc (Target_arm::Target_arm): Move method definition
4594                 outside of class definition.  Add code to handle
4595                 --target1-rel, --target1-abs and --target2= options.
4596                 (Target_arm::get_reloc_reloc_type): Change method to be
4597                 non-static and const.
4598                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4599                 New data member declaration.
4600                 (Target_arm::Scan::local, Target_arm::Scan::global,
4601                 Target_arm::Relocate::relocate,
4602                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4603                 Adjust call to Target_arm::get_real_reloc_type.
4604                 (Target_arm::get_real_reloc_type): Use command line options
4605                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4606                 * options.h (--target1-rel, --target1-abs, --target2): New
4607                 ARM-only options.
4608
4609 2009-11-25  Doug Kwan  <dougkwan@google.com>
4610
4611         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4612         class definition.  Add code to handle --target1-rel, --target1-abs
4613         and --target2= options.
4614         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4615         and const.
4616         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4617         member declaration.
4618         (Target_arm::Scan::local, Target_arm::Scan::global,
4619         Target_arm::Relocate::relocate,
4620         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4621         call to Target_arm::get_real_reloc_type.
4622         (Target_arm::get_real_reloc_type): Use command line options to
4623         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4624         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4625         options.
4626
4627 2009-11-25  Doug Kwan  <dougkwan@google.com>
4628
4629         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4630         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4631         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4632         formatting.
4633         (Arm_relocate_functions::thm_call): Replace body with a call to
4634         Arm_relocate_functions::thumb_branch_common.
4635         (Arm_relocate_functions::thm_jump24,
4636         Arm_relocate_functions::thm_xpc22): New method definitions.
4637         (Arm_relocate_functions::thumb_branch_common): New method definition.
4638         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4639         operator.
4640         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4641         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4642
4643 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4644
4645         * Makefile.am: Build incremental-dump
4646         * Makefile.in: Regenerate.
4647         * incremental-dump.cc: New.
4648         * incremental.cc (Incremental_inputs_header_data,
4649         Incremental_inputs_entry_data): Move to incremental.h
4650         * incremental.h: (Incremental_inputs_header_data,
4651         Incremental_inputs_entry_data): Move from incremental.cc
4652
4653 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4654
4655         * incremental.cc (Incremental_inputs_header,
4656         Incremental_inputs_header_write, Incremental_inputs_entry,
4657         Incremental_inputs_entry_write): Add a typedef with the data type.
4658
4659 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4660
4661         * incremental.cc (Incremental_inputs_header,
4662         Incremental_inputs_header_write, Incremental_inputs_entry,
4663         Incremental_inputs_entry_write): Update comment about which
4664         type has the filed descriptions.
4665
4666 2009-11-15  Doug Kwan  <dougkwan@google.com>
4667
4668         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4669         (Arm_relocate_functions::arm_branch_common): Change method defintion
4670         in class definition to a method declaration and update list of formal
4671         parameters.
4672         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4673         Arm_relocation_functions::jump24): Adjust call to
4674         Arm_relocate_functions::arm_branch_common.  Update list of formal
4675         parameters.
4676         (Arm_relocate_functions::xpc25): New method definition.
4677         (Arm_relocate_functions::arm_branch_common): Move method defintion
4678         out from class definition.  Use stubs for mode-switching and extending
4679         branch ranges.
4680         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4681         specially.  Change code to enable use of stubs in ARM branches.
4682
4683 2009-11-10  Doug Kwan  <dougkwan@google.com>
4684
4685         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4686         in method declaration.
4687         (Target_arm::relocate_stub): New method declaration.
4688         (Target_arm::default_target): Change to return a pointer instead of
4689         a const reference.
4690         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4691         Target_arm::default_target.
4692         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4693         method definition.
4694         (Target_arm::relocate_section): Adjust view.
4695         (Target_arm::relocate_stub): New method definition.
4696
4697 2009-11-10  Doug Kwan  <dougkwan@google.com>
4698
4699         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4700         a format warning.
4701         * incremental.cc (open_incremental_binary): Initialized local
4702         variables to avoid warnings.
4703         * object.cc (make_elf_object): Ditto.
4704         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4705         a format warning.
4706
4707 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4708
4709         PR gold/10930
4710         * testsuite/plugin_test.c: Include "config.h".
4711
4712 2009-11-09  Doug Kwan  <dougkwan@google.com>
4713
4714         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4715         (arm_symbol_value): Remove.
4716         (Arm_relocate_functions::arm_branch_common,
4717         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4718         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4719         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4720         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4721         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4722         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4723         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4724         Arm_relocate_functions::thm_mobw_abs_nc,
4725         Arm_relocate_functions::thm_mov_abs,
4726         Arm_relocate_functions::movw_prel_nc,
4727         Arm_relocate_functions::thm_movt_abs,
4728         Arm_relocate_functions::movt_prel,
4729         Arm_relocate_functions::thm_movw_prel_nc,
4730         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4731         (Target_arm::Relocate::relocate): Only decompose address into two
4732         parts if relocation type uses the thumb-bit and pass the actual
4733         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4734         calls to methods in Arm_relocate_functions for this change.
4735
4736 2009-11-08  Ian Lance Taylor  <iant@google.com>
4737
4738         PR 10925
4739         * reloc.cc: Instantiate
4740         Sized_relobj::initialize_input_to_output_maps and
4741         Sized_relobj:free_input_to_output_maps.
4742
4743 2009-11-06  Ian Lance Taylor  <iant@google.com>
4744
4745         PR 10876
4746         * defstd.cc (in_segment): Set only_if_ref true for "end".
4747
4748 2009-11-06  Doug Kwan  <dougkwan@google.com>
4749
4750         * arm.cc (class Reloc_stub): Correct a comment.
4751         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4752         (Target_arm::scan_section_for_stubs): New method declaration.
4753         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4754         Change methods from private to protected.
4755         (Target_arm::do_may_relax): New method definition.
4756         (Target_arm::do_relax, Target_arm::group_sections,
4757         Target_arm::scan_reloc_for_stub,
4758         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4759         (Target_arm::arm_input_section_map_): New data member declaration.
4760         (Target_arm::scan_reloc_for_stub,
4761         Target_arm::scan_reloc_section_for_stubs,
4762         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4763         Target_arm::do_relax): New method definitions.
4764
4765 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4766
4767         * configure.ac: Check for (struct stat)::st_mtim
4768         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4769         * config.in: Regenerate.
4770         * configure: Regenerate.
4771
4772 2009-11-05  Ian Lance Taylor  <iant@google.com>
4773
4774         PR 10910
4775         * output.cc (Output_segment::add_output_section): Add missing
4776         return statement.
4777
4778 2009-11-04  Ian Lance Taylor  <iant@google.com>
4779
4780         PR 10880
4781         * object.h (class Object): Add is_needed and set_is_needed
4782         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4783         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4784         defined in a dynamic object and referenced by a regular object,
4785         set is_needed for the dynamic object.
4786         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4787         if the file is marked with as_needed and it is not needed.
4788
4789 2009-11-04  Ian Lance Taylor  <iant@google.com>
4790
4791         PR 10887
4792         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4793         tags if data is discarded by linker script.
4794         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4795         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4796         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4797         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4798
4799 2009-11-04  Ian Lance Taylor  <iant@google.com>
4800
4801         * layout.cc (Layout::get_output_section): Add is_interp and
4802         is_dynamic_linker_section parameters.  Change all callers.
4803         (Layout::choose_output_section): Likewise.
4804         (Layout::make_output_section): Likewise.
4805         (Layout::add_output_section_data): Add is_dynamic_linker_section
4806         parameter.  Change all callers.
4807         * layout.h (class Layout): Update declarations.
4808         * output.h (class Output_section): Add is_interp, set_is_interp,
4809         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4810         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4811         generate_code_fills_at_write_ to a bitfield.
4812         * output.cc (Output_section::Output_sections): Initialize new
4813         fields.
4814         (Output_segment::add_output_section): Add do_sort parameter.
4815         Change all callers.
4816
4817 2009-11-03  Ian Lance Taylor  <iant@google.com>
4818
4819         PR 10860
4820         * options.h (class General_options): Add --warn-common.
4821         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4822         merging two common symbols.
4823         (Symbol_table::should_override): Handle --warn-common when merging
4824         a common symbol with a defined symbol.  Use report_resolve_problem
4825         for multiple definitions.
4826         (Symbol_table::report_resolve_problem): New function.
4827         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4828
4829 2009-11-03  Doug Kwan  <dougkwan@google.com>
4830
4831         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4832         stub_factory_.
4833         (Target_arm::stub_factory): New method definition.
4834         (Target_arm::new_arm_input_section,
4835         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4836         Target_arm::reloc_uses_thumb_bit): New method declarations.
4837         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4838         New type definitions.
4839         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4840         member declarations.
4841         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4842         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4843         New method definitions.
4844
4845 2009-11-03  Ian Lance Taylor  <iant@google.com>
4846
4847         * options.h (class General_options): Add --warn_constructors.
4848
4849 2009-11-03  Ian Lance Taylor  <iant@google.com>
4850
4851         PR 10893
4852         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4853         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4854
4855 2009-11-03  Ian Lance Taylor  <iant@google.com>
4856
4857         PR 10895
4858         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4859         --msgid-bugs-address.
4860         (install-pdf): New target.
4861         (install-data_yes): Look up one directory to find mkinstalldirs.
4862
4863 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4864
4865         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4866         tree.
4867
4868 2009-10-30  Doug Kwan  <dougkwan@google.com>
4869
4870         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4871
4872 2009-10-30  Doug Kwan  <dougkwan@google.com>
4873
4874         * arm.cc (Stub_addend_reader): New struct template definition
4875         and partial specializations.
4876         (Stub_addend_reader::operator()): New method definition for a
4877         partially specialized template.
4878
4879 2009-10-30  Doug Kwan  <dougkwan@google.com>
4880
4881         * arm.cc (Arm_relobj::processor_specific_flags): New method
4882         definition.
4883         (Arm_relobj::do_read_symbols): New method declaration.
4884         (Arm_relobj::processor_specific_flags_): New data member declaration.
4885         (Arm_dynobj): New class definition.
4886         (Target_arm::do_finalize_sections): Add input_objects parameter.
4887         (Target_arm::do_adjust_elf_header): New method declaration.
4888         (Target_arm::are_eabi_versions_compatible,
4889         (Target_arm::merge_processor_specific_flags): New method declaration.
4890         (Target_arm::do_make_elf_object): New overloaded method definitions
4891         and declaration.
4892         (Arm_relobj::do_read_symbols): New method definition.
4893         (Arm_dynobj::do_read_symbols): Ditto.
4894         (Target_arm::do_finalize_sections): Add input_objects parameters.
4895         Merge processor-specific flags from all input objects.
4896         (Target_arm::are_eabi_versions_compatible,
4897         Target_arm::merge_processor_specific_flags,
4898         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4899         New method definitions.
4900         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4901         Input_objects pointer type parameter.
4902         * layout.cc (Layout::finalize): Pass input objects to target's.
4903         finalize_sections function.
4904         * output.cc (Output_file_header::do_sized_write): Set ELF file
4905         header's processor-specific flags.
4906         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4907         Input_objects pointer type parameter.
4908         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4909         * target.h (Input_objects): New forward class declaration.
4910         (Target::processor_specific_flags,
4911         Target::are_processor_specific_flags_sect): New method definitions.
4912         (Target::finalize_sections): Add input_objects parameter.
4913         (Target::Target): Initialize processor_specific_flags_ and
4914         are_processor_specific_flags_set_.
4915         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4916         parameter.
4917         (Target::set_processor_specific_flags): New method definition.
4918         (Target::processor_specific_flags_,
4919         Target::are_processor_specific_flags_set_): New data member
4920         declarations.
4921         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4922         Input_objects pointer type parameter.
4923
4924 2009-10-30  Doug Kwan  <dougkwan@google.com>
4925
4926         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4927
4928 2009-10-28  Ian Lance Taylor  <iant@google.com>
4929
4930         * object.h (class Relobj): Drop options parameter from
4931         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4932         do_scan_relocs, do_relocate.  Change all callers.
4933         (class Sized_relobj): Drop options parameters from
4934         do_gc_process_relocs, do_scan_relocs, do_relocate,
4935         do_relocate_sections, relocate_sections, emit_relocs_scan,
4936         emit_relocs_scan_reltype.  Change all callers.
4937         (struct Relocate_info): Remove options field and all references to
4938         it.
4939         * reloc.h (class Read_relocs): Remove options constructor
4940         parameter and options_ field.  Change all callers.
4941         (class Gc_process_relocs, class Scan_relocs): Likewise.
4942         (class Relocate_task): Likewise.
4943         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4944         all callers.
4945         (scan_relocatable_relocs): Likewise.
4946         * target.h (class Sized_target): Remove options parameter from
4947         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4948         all callers.
4949         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4950         callers.
4951         * arm.cc: Update functions to remove options parameters.
4952         * i386.cc: Likewise.
4953         * powerpc.cc: Likewise.
4954         * sparc.cc: Likewise.
4955         * x86_64.cc: Likewise.
4956         * testsuite/testfile.cc: Likewise.
4957
4958 2009-10-28  Doug Kwan  <dougkwan@google.com>
4959
4960         * arm.cc (Arm_relobj): New class definition.
4961         (Arm_relobj::scan_sections_for_stubs,
4962         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4963         New method definitions.
4964
4965 2009-10-28  Cary Coutant  <ccoutant@google.com>
4966
4967         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4968         (Plugin::cleanup_done_): New member.
4969         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4970         (Plugin_manager::cleanup_done_): Remove.
4971         (Plugin_manager::add_input_file): Edit error message.
4972         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4973         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4974
4975 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4976
4977         * fileread.cc: (File_read::View::~View): Use the new
4978         data_ownership_ filed.
4979         (File_read::~File_read): Dispose the new whole_file_view_.
4980         (File_read::open): Mmap the whole file if needed.
4981         (File_read::open): Use whole_file_view_ instead of contents_.
4982         (File_read::find_view): Use whole_file_view_ if applicable.
4983         (File_read::do_read): Use whole_file_view_ instead of contents_.
4984         (File_read::make_view): Use whole_file_view_ instead of contents_,
4985         update File_read::View::View call.
4986         (File_read::find_or_make_view): Update File_read::View::View
4987         call.
4988         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4989         remove contents_
4990         (File_read::View::Data_ownership): New enum.
4991         (File_read::View::View): Replace bool mapped_ with Data_ownership
4992         argument.
4993         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4994         (File_read::View::data_ownership_): New field.
4995         (File_read::contents_): Remove (replaced by whole_file_view_).
4996         (File_read::whole_file_view_): New field.
4997         * options.h (class General_options): Add --keep-files-mapped.
4998
4999 2009-10-27  Cary Coutant  <ccoutant@google.com>
5000
5001         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
5002         * testsuite/Makefile.am (plugin_test_5): New test case.
5003         * testsuite/Makefile.in: Regenerate.
5004
5005 2009-10-25  Doug Kwan  <dougkwan@google.com>
5006
5007         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
5008         from private to protected to allow access by child class.
5009         (Sized_relobj::do_relocate_sections): New method declaration.
5010         (Sized_relobj::relocate_sections): Virtualize.
5011         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
5012         Sized_relobj::relocate_sections.  Instantiate template explicitly
5013         for different target sizes and endianity.
5014
5015 2009-10-24  Doug Kwan  <dougkwan@google.com>
5016
5017         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
5018         (Arm_input_section::as_arm_input_section): New method.
5019         (Arm_output_section): New class definition.
5020         (Arm_output_section::create_stub_group,
5021         Arm_output_section::group_sections): New method definitions.
5022
5023 2009-10-22  Doug Kwan  <dougkwan@google.com>
5024
5025         * arm.cc (Arm_input_section): New class definition.
5026         (Arm_input_section::init, Arm_input_section:do_write,
5027         Arm_input_section::set_final_data_size,
5028         Arm_input_section::do_reset_address_and_file_offset): New method
5029         definitions.
5030
5031 2009-10-21  Doug Kwan  <dougkwan@google.com>
5032
5033         * arm.cc (Stub_table, Arm_input_section): New forward class
5034         declarations.
5035         (Stub_table): New class defintion.
5036         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
5037         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
5038         New method definition.
5039
5040 2009-10-21  Doug Kwan  <dougkwan@google.com>
5041
5042         * arm.cc: Update copyright comments.
5043         (Target_arm): New forward class template declaration.
5044         (Arm_address): New type.
5045         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
5046         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
5047         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
5048         constants.
5049         (Insn_template): Same.
5050         (DEF_STUBS): New macro.
5051         (Stub_type): New enum type.
5052         (Stub_template): New class definition.
5053         (Stub): Same.
5054         (Reloc_stub): Same.
5055         (Stub_factory): Same.
5056         (Target_arm::Target_arm): Initialize may_use_blx_ and
5057         should_force_pic_veneer_.
5058         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
5059         Target_arm::should_force_pic_veneer,
5060         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
5061         Target_arm::using_thumb_only, Target_arm:;default_target): New
5062         method defintions.
5063         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
5064         New data member declarations.
5065         (Insn_template::size, Insn_template::alignment): New method defintions.
5066         (Stub_template::Stub_template): New method definition.
5067         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
5068         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
5069         (Stub_factory::Stub_factory): New method definition.
5070         * gold.h (string_hash): New template.
5071         * output.h (Input_section_specifier::hash_value): Use
5072         gold::string_hash.
5073         (Input_section_specifier::string_hash): Remove.
5074         * stringpool.cc (Stringpool_template::string_hash): Use
5075         gold::string_hash.
5076
5077 2009-10-20  Doug Kwan  <dougkwan@google.com>
5078
5079         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
5080         symbols of relaxed input sections.
5081         * output.h (Output_section::find_relaxed_input_section): Make
5082         method public.
5083
5084 2009-10-16  Doug Kwan  <dougkwan@google.com>
5085
5086         * dynobj.cc (Versions::Versions): Initialize version_script_.
5087         Only insert base version symbol definition for a shared object
5088         if version script defines any version versions.
5089         (Versions::define_base_version): New method definition.
5090         (Versions::add_def): Check that base version is not needed.
5091         (Versions::add_need): Define base version lazily.
5092         * dynobj.h (Versions::define_base_version): New method declaration.
5093         (Versions::needs_base_version_): New data member declaration.
5094         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
5095         (check_DATA): Add no_version_test.stdout.
5096         (libno_version_test.so, no_version_test.o no_version_test.stdout):
5097         New make rules.
5098         * testsuite/Makefile.in: Regenerate.
5099         * testsuite/no_version_test.c: New file.
5100         * testsuite/no_version_test.sh: Ditto.
5101
5102 2009-10-16  Doug Kwan  <dougkwan@google.com>
5103
5104         * expression.cc (class Segment_start_expression): New class definition.
5105         (Segment_start_expression::value): New method definition.
5106         (script_exp_function_segment_start): Return a new
5107         Segment_start_expression.
5108         * gold/script-c.h (script_saw_segment_start_expression): New function
5109         prototype.
5110         * script-sections.cc (Script_sections::Script_sections): Initialize
5111         SAW_SEGMENT_START_EXPRESSION_ to false.
5112         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
5113         and -Tbbs options to specify section addresses if given in
5114         command line and no SEGMENT_START expression is seen in a script.
5115         * script-sections.h (Script_sections::saw_segment_start_expression,
5116         Script_sections::set_saw_segment_start_expression): New method
5117         definition.
5118         (Script_sections::saw_segment_start_expression_): New data member
5119         declaration.
5120         * script.cc (script_saw_segment_start_expression): New function.
5121         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
5122         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
5123         script_test_7.sh and script_test_8.sh.
5124         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
5125         script_test_8.stdout.
5126         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
5127         (script_test_6, script_test_6.stdout, script_test_7,
5128         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
5129         * Makefile.in: Regenerate.
5130         * testsuite/script_test_6.sh: New file.
5131         * testsuite/script_test_6.t: Same.
5132         * testsuite/script_test_7.sh: Same.
5133         * testsuite/script_test_7.t: Same.
5134         * testsuite/script_test_8.sh: Same.
5135
5136 2009-10-16  Doug Kwan  <dougkwan@google.com>
5137
5138         * output.cc (Output_segment::set_section_list_address): Cast
5139         expressions to unsigned long long type to avoid format warnings.
5140
5141 2009-10-15  Ian Lance Taylor  <iant@google.com>
5142
5143         * script.cc (Script_options::add_symbol_assignment): Always add a
5144         dot assignment to script_sections_.
5145         * script-sections.cc (Script_sections::add_dot_assignment):
5146         Initialize if necessary.
5147
5148         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
5149         program headers with no load segment if there is a linker script.
5150
5151         * layout.cc (Layout::set_segment_offsets): Align the file offset
5152         to the segment aligment for -N or -n with no load segment.
5153         * output.cc (Output_segment::add_output_section): Don't crash if
5154         the first section is a TLS section.
5155         (Output_segment::set_section_list_addresses): Print an error
5156         message if the address moves backward in a linker script.
5157         * script-sections.cc
5158         (Output_section_element_input::set_section_addresses): Don't
5159         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
5160         (Orphan_output_section::set_section_addresses): Likewise.
5161
5162 2009-10-15  Doug Kwan  <dougkwan@google.com>
5163
5164         * layout.cc (Layout::finish_dynamic_section): Generate tags
5165         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5166         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
5167         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
5168
5169 2009-10-14  Ian Lance Taylor  <iant@google.com>
5170
5171         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5172         fields.
5173         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5174         data_shdr fields of relinfo.
5175         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5176         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5177         R_386_TLS_LDO_32, adjust based on section flags.
5178         (Target_i386::Relocate::fix_up_ldo): Remove.
5179
5180 2009-10-13  Ian Lance Taylor  <iant@google.com>
5181
5182         Add support for -pie.
5183         * options.h (class General_options): Add -pie and
5184         --pic-executable.
5185         (General_options::output_is_position_independent): Test -pie.
5186         (General_options::output_is_executable): Return true if not shared
5187         and not relocatable.
5188         (General_options::output_is_pie): Remove.
5189         * options.cc (General_options::finalize): Reject incompatible uses
5190         of -pie.
5191         * gold.cc (queue_middle_tasks): A -pie link is not static.
5192         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5193         * symtab.cc (Symbol::final_value_is_known): Return false if
5194         output_is_position_independent.
5195         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5196         output_is_position_independent.
5197         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5198         output_is_position_independent.
5199         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5200         output_is_position_independent.
5201         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5202         two_file_pie_test.
5203         (basic_pie_test.o, basic_pie_test): New targets.
5204         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5205         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5206         (two_file_pie_test): New target.
5207         * testsuite/Makefile.in: Rebuild.
5208         * README: Remove note saying that -pie is not supported.
5209
5210 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5211
5212         * options.h (class General_options): Add -init and -fini.
5213         * layout.cc (Layout::finish_dynamic_section): Emit
5214         given init and fini functions.
5215
5216 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5217
5218         * gc.h (gc_process_relocs): Check if icf is enabled using new
5219         function.
5220         * gold.cc (queue_initial_tasks): Likewise.
5221         (queue_middle_tasks): Likewise.
5222         * object.cc (do_layout): Likewise.
5223         * symtab.cc (is_section_folded): Likewise.
5224         * main.cc (main): Likewise.
5225         * reloc.cc (Read_relocs::run): Likewise.
5226         (Sized_relobj::do_scan_relocs): Likewise.
5227         * icf.cc (is_function_ctor_or_dtor): New function.
5228         (Icf::find_identical_sections): Check if function is ctor or dtor when
5229         safe icf is chosen.
5230         * options.h (General_options::icf): Change option to be an enum.
5231         (Icf_status): New enum.
5232         (icf_enabled): New method.
5233         (icf_safe_folding): New method.
5234         (set_icf_status): New method.
5235         (icf_status_): New variable.
5236         * (options.cc) (General_options::finalize): Set icf_status_.
5237         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5238         icf_test and icf_keep_unique_test to use the --icf enum flag.
5239         * testsuite/icf_safe_test.sh: New file.
5240         * testsuite/icf_safe_test.cc: New file.
5241
5242 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5243
5244         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5245         includes to gc.h and icf.h.
5246         * arm.cc: Include gc.h.
5247         * gold.cc: Likewise.
5248         * i386.cc: Likewise.
5249         * powerpc.cc: Likewise.
5250         * sparc.cc: Likewise.
5251         * x86_64.cc: Likewise.
5252         * gc.h: Include icf.h.
5253
5254 2009-10-11  Ian Lance Taylor  <iant@google.com>
5255
5256         * plugin.cc: Include "gold.h" before other header files.
5257
5258 2009-10-10  Chris Demetriou  <cgd@google.com>
5259
5260         * options.h (Input_file_argument::Input_file_type): New enum.
5261         (Input_file_argument::is_lib_): Replace with...
5262         (Input_file_argument::type_): New member.
5263         (Input_file_argument::Input_file_argument): Take Input_file_type
5264         'type' rather than boolean 'is_lib' as second argument.
5265         (Input_file_argument::is_lib): Use type_.
5266         (Input_file_argument::is_searched_file): New function.
5267         (Input_file_argument::may_need_search): Handle is_searched_file.
5268         * options.cc (General_options::parse_library): Support -l:filename.
5269         (General_options::parse_just_symbols): Update for Input_file_argument
5270         changes.
5271         (Command_line::process): Likewise.
5272         * archive.cc (Archive::get_file_and_offset): Likewise.
5273         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5274         * script.cc (read_script_file, script_add_file): Likewise.
5275         * fileread.cc (Input_file::Input_file): Likewise.
5276         (Input_file::will_search_for): Handle is_searched_file.
5277         (Input_file::open): Likewise.
5278         * readsyms.cc (Read_symbols::get_name): Likewise.
5279         * testsuite/Makefile.am (searched_file_test): New test.
5280         * testsuite/Makefile.in: Regenerate.
5281         * testsuite/searched_file_test.cc: New file.
5282         * testsuite/searched_file_test_lib.cc: New file.
5283
5284 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5285             Ian Lance Taylor  <iant@google.com>
5286
5287         * descriptor.cc: Include <cstdio> and "binary-io.h".
5288         (Descriptors::open): Open the files in binary mode always.
5289         * script.cc (Lex::get_token): Treat \r as whitespace.
5290
5291 2009-10-09  Ian Lance Taylor  <iant@google.com>
5292
5293         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5294
5295 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5296             Ian Lance Taylor  <iant@google.com>
5297
5298         * configure.ac: Check for readv function also.
5299         * fileread.cc (readv): Define if not HAVE_READV.
5300         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5301         does not exist.
5302         * config.in: Regenerate.
5303         * configure: Regenerate.
5304
5305 2009-10-09  Doug Kwan  <dougkwan@google.com>
5306
5307         * layout.cc (Layout::make_output_section): Call target hook to make
5308         ordinary output section.
5309         (Layout::finalize): Adjust parameter list of call the
5310         Target::may_relax().
5311         * layout.h (class Layout::section_list): New method.
5312         * merge.h (Output_merge_base::entsize): Change visibility to public.
5313         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5314         New methods.
5315         (Output_merge_string::do_is_string): New method.
5316         * object.cc (Sized_relobj::do_setup): renamed from
5317         Sized_relobj::set_up.
5318         * object.h (Sized_relobj::adjust_shndx,
5319         Sized_relobj::initializ_input_to_output_maps,
5320         Sized_relobj::free_input_to_output_maps): Change visibilities to
5321         protected.
5322         (Sized_relobj::setup): Virtualize.
5323         (Sized_relobj::do_setup): New method declaration.
5324         (Sized_relobj::invalidate_section_offset,
5325         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5326         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5327         * options.cc (parse_int): New function.
5328         * options.h (parse_int): New declaration.
5329         (DEFINE_int): New macro.
5330         (stub_group_size): New option.
5331         * output.cc (Output_section::Output_section): Initialize memebers
5332         merge_section_map_, merge_section_by_properties_map_,
5333         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5334         (Output_section::add_input_section): Handled deferred code-fill
5335         generation and remove an old comment.
5336         (Output_section::add_relaxed_input_section): New method definition.
5337         (Output_section::add_merge_input_section): Use merge section by
5338         properties map to speed to search.  Update merge section maps
5339         as appropriate.
5340         (Output_section::build_relaxation_map): New method definition.
5341         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5342         Same.
5343         (Output_section::relax_input_section): Renamed to
5344         Output_section::convert_input_sections_to_relaxed_sections and change
5345         interface to take a vector of pointers to relaxed sections.
5346         (Output_section::find_merge_section,
5347         Output_section::find_relaxed_input_section): New method definitions.
5348         (Output_section::is_input_address_mapped,
5349         Output_section::output_offset, Output_section::output_address):
5350         Use output section data maps to speed up searching.
5351         (Output_section::find_starting_output_address): Add comments.
5352         (Output_section::do_write,
5353         Output_section::write_to_postprocessing_buffer): Do code-fill
5354         generation as appropriate.
5355         (Output_section::get_input_sections): Invalidate relaxed input section
5356         map.
5357         (Output_section::restore_states): Adjust type of checkpoint .
5358         Invalidate relaxed input section map.
5359         * output.h (Output_merge_base): New class declaration.
5360         (Input_section_specifier): New class defintion.
5361         (class Output_relaxed_input_section) Change base class to
5362         Output_section_data_build.
5363         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5364         base class initializer.
5365         (Output_section::add_relaxed_input_section): New method declaration.
5366         (Output_section::Input_section): Change visibility to protected.
5367         (Output_section::Input_section::relobj,
5368         Output_section::Input_section::shndx): Handle relaxed input sections.
5369         Output_section::input_sections) Change visibility to protected.  Also
5370         define overload to return a non-const pointer.
5371         (Output_section::Merge_section_properties): New class defintion.
5372         (Output_section::Merge_section_by_properties_map,
5373         Output_section::Output_section_data_by_input_section_map,
5374         Output_section::Relaxation_map): New types.
5375         (Output_section::relax_input_section): Rename method to
5376         Output_section::convert_input_sections_to_relaxed_sections and change
5377         interface to take a vector of relaxed section pointers.
5378         (Output_section::find_merge_section,
5379         Output_section::find_relaxed_input_section,
5380         Output_section::build_relaxation_map,
5381         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5382         New method declarations.
5383         (Output_section::merge_section_map_
5384         Output_section::merge_section_by_properties_map_,
5385         Output_section::relaxed_input_section_map_,
5386         Output_section::is_relaxed_input_section_map_valid_,
5387         Output_section::generate_code_fills_at_write_): New data members.
5388         * script-sections.cc
5389         (Output_section_element_input::set_section_addresses): Call
5390         current_data_size and addralign methods of relaxed input sections.
5391         (Orphan_output_section::set_section_addresses): Call current_data_size
5392         and addralign methods of relaxed input sections.
5393         * symtab.cc (Symbol_table::compute_final_value): Extract template
5394         from the body of Symbol_table::sized_finalize_symbol.
5395         (Symbol_table::sized_finalized_symbol): Call
5396         Symbol_table::compute_final_value.
5397         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5398         (Symbol_table::compute_final_value): New templated method declaration.
5399         * target.cc (Target::do_make_output_section): New method defintion.
5400         * target.h (Target::make_output_section): New method declaration.
5401         (Target::relax): Add more parameters for input objects, symbol table
5402         and layout.  Adjust call to do_relax.
5403         (Target::do_make_output_section): New method declaration.
5404         (Target::do_relax): Add parameters for input objects, symbol table
5405         and layout.
5406
5407 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5408
5409         * pread.c: Include stdio.h.
5410
5411 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5412
5413         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5414         defined.
5415
5416 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5417
5418         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5419         Change read_shndx type to unsigned int.
5420         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5421         int.
5422         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5423         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5424         Change read_shndx type to unsigned int.
5425         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5426         int.
5427         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5428         * layout.cc (Layout::create_symtab_sections): Cast the result of
5429         local_symcount * symsize to off_t in the gold_assert.
5430
5431 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5432
5433         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5434         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5435         R_ARM_BASE_ABS.
5436         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5437         (Arm_relocate_functions::thm_abs5): New function.
5438         (Arm_relocate_functions::abs12): New function.
5439         (Arm_relocate_functions::abs16): New function.
5440         (Arm_relocate_functions::base_abs): New function.
5441         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5442         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5443         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5444         R_ARM_BASE_ABS.
5445         (Scan::global): Likewise.
5446         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5447         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5448         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5449         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5450         R_ARM_BASE_ABS.
5451
5452 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5453
5454         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5455         (Arm_relocate_functions::movt_prel): New function.
5456         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5457         (Arm_relocate_functions::thm_movt_prel): New function.
5458         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5459         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5460         (Scan::global, Relocate::relocate): Likewise.
5461         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5462
5463 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5464
5465         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5466         Incremental_checker.
5467         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5468         unsigned int.
5469         (class Incremental_inputs_header): New class.
5470         (Incremental_inputs_header_writer): Edit comment.
5471         (Incremental_inputs_entry): New class.
5472         (Incremental_inputs_entry_writer): Edit comment.
5473         (Sized_incremental_binary::do_find_incremental_inputs_section):
5474         Add *strtab_shndx parameter, fill it.
5475         (Sized_incremental_binary::do_check_inputs): New method.
5476         (Incremental_checker::can_incrementally_link_output_file): Use
5477         Sized_incremental_binary::check_inputs.
5478         (Incremental_inputs::report_command_line): Save command line in
5479         command_line_.
5480         * incremental.h:
5481         (Incremental_binary::find_incremental_inputs_section): New
5482         method.
5483         (Incremental_binary::do_find_incremental_inputs_section): Add
5484         strtab_shndx parameter.
5485         (Incremental_binary::do_check_inputs): New pure virtual method.
5486         (Sized_incremental_binary::do_check_inputs): Declare.
5487         (Incremental_checker::Incremental_checker): Add incremental_inputs
5488         parameter, use it to initialize incremental_inputs_.
5489         (Incremental_checker::incremental_inputs_): New field.
5490         (Incremental_checker::command_line): New method.
5491         (Incremental_checker::inputs): New method.
5492         (Incremental_checker::command_line_): New field.
5493
5494 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5495
5496         * incremental.cc: Include <cstdarg> and "target-select.h".
5497         (vexplain_no_incremental): New function.
5498         (explain_no_incremental): New function.
5499         (Incremental_binary::error): New method.
5500         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5501         method.
5502         (make_sized_incremental_binary): New function.
5503         (open_incremental_binary): New function.
5504         (can_incrementally_link_file): Add checks if output is ELF and has
5505         inputs section.
5506         * incremental.h: Include "elfcpp_file.h" and "output.h".
5507         (Incremental_binary): New class.
5508         (Sized_incremental_binary): New class.
5509         (open_incremental_binary): Declare.
5510         * object.cc (is_elf_object): Use
5511         elfcpp::Elf_recognizer::is_elf_file.
5512         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5513         * output.h (Output_file::filesize): New method.
5514
5515 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5516
5517         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5518         New function.
5519         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5520         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5521         function.
5522         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5523         function.
5524         (Arm_relocate_functions::movw_abs_nc): New function.
5525         (Arm_relocate_functions::movt_abs): New function.
5526         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5527         (Arm_relocate_functions::thm_movt_abs): New function.
5528         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5529         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5530         (Scan::global): Likewise.
5531         (Relocate::relocate): Likewise.
5532         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5533
5534 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5535
5536         * arm.cc (Arm_relocate_functions::got_prel) New function.
5537         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5538         (Relocate::relocate): Likewise.
5539         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5540
5541 2009-10-06  Ian Lance Taylor  <iant@google.com>
5542
5543         * options.h (class General_options): Define
5544         split_stack_adjust_size parameter.
5545         * object.h (class Object): Add uses_split_stack_ and
5546         has_no_split_stack_ fields.  Add uses_split_stack and
5547         has_no_split_stack accessor functions.  Declare
5548         handle_split_stack_section.
5549         (class Reloc_symbol_changes): Define.
5550         (class Sized_relobj): Define Function_offsets.  Declare
5551         split_stack_adjust, split_stack_adjust_reltype, and
5552         find_functions.
5553         * object.cc (Object::handle_split_stack_section): New function.
5554         (Sized_relobj::do_layout): Call handle_split_stack_section.
5555         * dynobj.cc (Sized_dynobj::do_layout): Call
5556         handle_split_stack_section.
5557         * reloc.cc (Sized_relobj::relocate_sections): Call
5558         split_stack_adjust for executable sections in split_stack
5559         objects.  Pass reloc_map to relocate_section.
5560         (Sized_relobj::split_stack_adjust): New function.
5561         (Sized_relobj::split_stack_adjust_reltype): New function.
5562         (Sized_relobj::find_functions): New function.
5563         * target-reloc.h: Include "object.h".
5564         (relocate_section): Add reloc_symbol_changes parameter.  Change
5565         all callers.
5566         * target.h (class Target): Add calls_non_split method.  Declare
5567         do_calls_non_split virtual method.  Declare match_view and
5568         set_view_to_nop.
5569         * target.cc: Include "elfcpp.h".
5570         (Target::do_calls_non_split): New function.
5571         (Target::match_view): New function.
5572         (Target::set_view_to_nop): New function.
5573         * gold.cc (queue_middle_tasks): Give an error if mixing
5574         split-stack and non-split-stack objects with -r.
5575         * i386.cc (Target_i386::relocate_section): Add
5576         reloc_symbol_changes parameter.
5577         (Target_i386::do_calls_non_split): New function.
5578         * x86_64.cc (Target_x86_64::relocate_section): Add
5579         reloc_symbol_changes parameter.
5580         (Target_x86_64::do_calls_non_split): New function.
5581         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5582         parameter.
5583         * powerpc.cc (Target_powerpc::relocate_section): Add
5584         reloc_symbol_changes parameter.
5585         * sparc.cc (Target_sparc::relocate_section): Add
5586         reloc_symbol_changes parameter.
5587         * configure.ac: Call AM_CONDITIONAL for the default target.
5588         * configure: Rebuild.
5589         * testsuite/Makefile.am (TEST_AS): New variable.
5590         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5591         (check_DATA): Add split_i386 and split_x86_64 files.
5592         (SPLIT_DEFSYMS): Define.
5593         (split_i386_[1234n].o): New targets.
5594         (split_i386_[124]): New targets.
5595         (split_i386_[1234r].stdout): New targets.
5596         (split_x86_64_[1234n].o): New targets.
5597         (split_x86_64_[124]): New targets.
5598         (split_x86_64_[1234r].stdout): New targets.
5599         (MOSTLYCLEANFILES): Add new executables.
5600         * testsuite/split_i386.sh: New file.
5601         * testsuite/split_x86_64.sh: New file.
5602         * testsuite/split_i386_1.s: New file.
5603         * testsuite/split_i386_2.s: New file.
5604         * testsuite/split_i386_3.s: New file.
5605         * testsuite/split_i386_4.s: New file.
5606         * testsuite/split_i386_n.s: New file.
5607         * testsuite/split_x86_64_1.s: New file.
5608         * testsuite/split_x86_64_2.s: New file.
5609         * testsuite/split_x86_64_3.s: New file.
5610         * testsuite/split_x86_64_4.s: New file.
5611         * testsuite/split_x86_64_n.s: New file.
5612         * testsuite/testfile.cc (Target_test): Update relocation_section
5613         function.
5614         * testsuite/Makefile.in: Rebuild.
5615
5616 2009-10-06  Ian Lance Taylor  <iant@google.com>
5617
5618         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5619         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5620         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5621         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5622         the address on ldo_addrs_.
5623         (Target_i386::Relocate::fix_up_ldo): New function.
5624
5625 2009-10-06   Rafael Espindola  <espindola@google.com>
5626
5627         * plugin.cc (add_input_library): New.
5628         (Plugin::load): Add add_input_library to tv.
5629         (Plugin_manager::add_input_file): Add the is_lib argument.
5630         (add_input_file): Update call to Plugin_manager::add_input_file.
5631         (add_input_library): New.
5632         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5633
5634 2009-09-30  Doug Kwan  <dougkwan@google.com>
5635
5636         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5637         symbol and call Symbol::may_need_copy_reloc to determine if
5638         a copy reloc is needed.
5639         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5640         nocopyreloc is given in command line.
5641         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5642         given in command line.
5643         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5644         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5645         of the removed Target_i386::may_need_copy_reloc.
5646         * options.h (copyreloc): New option with default value false.
5647         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5648         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5649         instead of the removed Target_powerpc::may_need_copy_reloc.
5650         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5651         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5652         instead of the removed Target_sparc::may_need_copy_reloc.
5653         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5654         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5655         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5656         instead of the removed Target_x86_64::may_need_copy_reloc.
5657
5658 2009-09-30  Ian Lance Taylor  <iant@google.com>
5659
5660         * object.h (class Object): Remove target_ field, and target,
5661         sized_target, and set_target methods.
5662         (Object::sized_target): Remove.
5663         (class Sized_relobj): Update declarations.  Remove sized_target.
5664         * object.cc (Sized_relobj::setup): Remove target parameter.
5665         Change all callers.
5666         (Input_objects::add_object): Don't do anything with the target.
5667         (make_elf_sized_object): Add punconfigured parameter.  Change all
5668         callers.  Set or test parameter target.
5669         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5670         Change all callers.
5671         * parameters.cc (Parameters::set_target): Change parameter type to
5672         be non-const.
5673         (Parameters::default_target): Remove.
5674         (set_parameters_target): Change parameter type to be non-const.
5675         (parameters_force_valid_target): New function.
5676         (parameters_clear_target): New function.
5677         * parameters.h (class Parameters): Update declarations.  Remove
5678         default_target method.  Add sized_target and clear_target
5679         methods.  Change target_ to be non-const.
5680         (set_parameters_target): Update declaration.
5681         (parameters_force_valid_target): Declare.
5682         (parameters_clear_target): Declare.
5683         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5684         as NULL if we aren't searching.
5685         (Add_symbols::run): Don't check for compatible target.
5686         * fileread.cc (Input_file::open_binary): Call
5687         parameters_force_valid_target.
5688         * gold.cc (queue_middle_tasks): Likewise.
5689         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5690         set_target on object.
5691         * dynobj.h (class Sized_dynobj): Update declarations.
5692         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5693         make_elf_object returns NULL.
5694         (Archive::include_member): Don't check whether object target is
5695         compatible.
5696         * output.cc (Output_section::add_input_section): Get target from
5697         parameters.
5698         (Output_section::relax_input_section): Likewise.
5699         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5700         parameters.
5701         (Sized_relobj::do_scan_relocs): Likewise.
5702         (Sized_relobj::relocate_sections): Likewise.
5703         * resolve.cc (Symbol_table::resolve): Likewise.
5704         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5705         parameter.  Change all callers.
5706         (Symbol_table::add_from_object): Get target from parameters.
5707         (Symbol_table::add_from_relobj): Don't check object target.
5708         (Symbol_table::add_from_dynobj): Likewise.
5709         (Symbol_table::define_special_symbol): Get target from
5710         parameters.
5711         * symtab.h (class Symbol_table): Update declaration.
5712         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5713         parameter.  Change all callers.  Clear parameter target.
5714         (Binary_test): Test target here.
5715         * testsuite/object_unittest.cc (gold_testsuite): Remove
5716         target_test_pointer parameter.  Change all callers.
5717         (Object_test): Test target here.
5718
5719 2009-09-26  Ian Lance Taylor  <iant@google.com>
5720
5721         * testsuite/initpri1.c: Don't try to use constructor priorities if
5722         compiling with gcc before 4.3.
5723
5724 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5725
5726         * testsuite/retain_symbols_file_test.sh (check_present): Change
5727         output file name to retain_symbols_file_test.stdout.
5728         (check_absent): Likewise.
5729
5730 2009-09-18  Craig Silverstein  <csilvers@google.com>
5731
5732         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5733         * options.cc: Include <cerrno> and <fstream>.
5734         (General_options::finalize): Parse -retain-symbols-file tag.
5735         * options.h: New flag.
5736         (General_options): New method should_retain_symbol, new
5737         variable symbols_to_retain.
5738         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5739         should_retain_symbol map.
5740         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5741         * testsuite/Makefile.in: Regenerate.
5742         * testsuite/retain_symbols_file_test.sh: New file.
5743
5744 2009-09-18  Nick Clifton  <nickc@redhat.com>
5745
5746         * po/es.po: Updated Spanish translation.
5747
5748 2009-09-17  Doug Kwan  <dougkwan@google.com>
5749
5750         * debug.h (DEBUG_RELAXATION): New constant.
5751         (DEBUG_ALL): Add DEBUG_RELAXATION.
5752         (debug_string_to_enum): Add relaxation debug option.
5753         * layout.cc
5754         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5755         Layout::Relaxation_debug_check::read_sections,
5756         Layout::Relaxation_debug_check::read_sections): New method definitions.
5757         (Layout::Layout): Initialize data members
5758         record_output_section_data_from_scrips_,
5759         script_output_section_data_list_ and relaxation_debug_check_.
5760         (Layout::save_segments, Layout::restore_segments,
5761         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5762         Layout::relaxation_loop_body): New method definitions.
5763         (Layout::finalize): Support relaxation.  Move section layout code to
5764         Layout::relaxation_loop_body.
5765         (Layout::set_asection_address_from_script): Move code for orphan
5766         section placement out.
5767         (Layout::place_orphan_sections_in_script): New method definition.
5768         * layout.h (Output_segment_headers, Output_file_header):
5769         New forward class declarations.
5770         (Layout::~Layout): Define.
5771         (Layout::new_output_section_data_from_script): New method definition.
5772         (Layout::place_orphan_sections_in_script): New method declaration.
5773         (Layout::Segment_states): New type declaration.
5774         (Layout::save_segments, Layout::restore_segments,
5775         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5776         Layout::relaxation_loop_body): New method declarations.
5777         (Layout::Output_section_data_list): New type declaration.
5778         (Layout::Relaxation_debug_check): New class definition.
5779         (Layout::record_output_section_data_from_script_,
5780         Layout::script_output_section_data_list_, Layout::segment_states_,
5781         Layout::relaxation_debug_check_): New data members.
5782         * output.cc: (Output_section_headers::do_size): New method definition.
5783         (Output_section_headers::Output_section_headers): Move size
5784         computation to Output_section_headers::do_size.
5785         (Output_segment_headers::do_size): New method definition.
5786         (Output_file_header::Output_file_header): Move size computation to
5787         Output_file_header::do_size and call it.
5788         (Output_file_header::do_size): New method definition.
5789         (Output_data_group::Output_data_group): Adjust call to
5790         Output_section_data.
5791         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5792         (Output_symtab_xindex::do_write): Add array bound check.
5793         (Output_section::Input_section::print_to_mapfile): Handle
5794         RELAXED_INPUT_SECTION_CODE.
5795         (Output_section::Output_section): Initialize data member checkpoint_.
5796         (Output_section::~Output_section): Delete checkpoint object pointed
5797         by checkpoint_.
5798         (Output_section::add_input_section): Always add an Input_section if
5799         relaxing.
5800         (Output_section::add_merge_input_section): Add assert.
5801         (Output_section::relax_input_section): New method definition.
5802         (Output_section::set_final_data_size): Set load address to zero for
5803         an unallocated section.
5804         (Output_section::do_address_and_file_offset_have_reset_values):
5805         New method definition.
5806         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5807         Handle relaxed input section.
5808         (Output_section::sort_attached_input_sections): Checkpoint input
5809         section list lazily.
5810         (Output_section::get_input_sections): Change type of input_sections to
5811         list of Simple_input_section pointers.  Checkpoint input section list
5812         lazily.  Also handle relaxed input sections.
5813         (Output_section::add_input_section_for_script): Take a reference to
5814         a Simple_input_section object instead of Relobj pointer and section
5815         index as parameter.  Handle relaxed input sections.
5816         (Output_section::save_states, Output_section::restore_states): New
5817         method definitions.
5818         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5819         (Output_data::is_data_size_fixed): New method definition.
5820         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5821         if it is fixed.
5822         (Output_data::address_and_file_offset_have_reset_values): New method
5823         definition.
5824         (Output_data::do_address_and_file_offset_have_reset_values): New method
5825         definition.
5826         (Output_data::set_data_size): Check that data size is not fixed.
5827         (Output_data::fix_data_size): New method definition.
5828         (Output_data::is_data_size_fixed_): New data member.
5829         (Output_section_headers::set_final_data_size): New method definition.
5830         (Output_section_headers::do_size): New method declaration.
5831         (Output_segment_headers::set_final_data_size): New method definition.
5832         (Output_segment_headers::do_size): New method declaration.
5833         (Output_file_header::set_final_data_size)::New method definition.
5834         (Output_file_header::do_size)::New method declaration.
5835         (Output_section_data::Output_section_data): Add new parameter
5836         is_data_size_fixed and use it to fix data size.
5837         (Output_data_const::Output_data_const): Adjust call to base class
5838         constructor and fix data size.
5839         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5840         base class constructor and fix data size.
5841         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5842         base class constructor and fix data size.
5843         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5844         class constructor and fix data size.
5845         (Output_data_group::set_final_data_size): New method definition.
5846         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5847         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5848         class constructor and fix data size.
5849         (Output_relaxed_input_section): New class definition.
5850         (Output_section::Simple_input_section): New class definition.
5851         (Output_section::get_input_sections): Adjust parameter list.
5852         (Output_section::add_input_section_for_script): Same.
5853         (Output_section::save_states, Output_section::restore_states,
5854         Output_section::do_address_and_file_offset_have_reset_values,
5855         (Output_section::Input_section::Input_section): Handle
5856         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5857         Output_relaxed_input_section.
5858         (Output_section::Input_section::is_input_section,
5859         Output_section::Input_section::set_output_section): Handle relaxed
5860         input section.
5861         (Output_section::Input_section::is_relaxed_input_section,
5862         Output_section::Input_section::output_section_data,
5863         Output_section::Input_section::relaxed_input_section): New method
5864         definitions.
5865         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5866         value.
5867         (Output_section::Input_section::u1_): Update comments.
5868         (Output_section::Input_section::u2_): Add new union member poris.
5869         (Output_section::Checkpoint_output_section): New classs definition.
5870         (Output_section::relax_input_section): New method declaration.
5871         (Output_section::checkpoint_): New data member.
5872         (Output_segment): Update comments.
5873         (Output_segment::Output_segment): Un-privatize copy constructor.
5874         (Output_segment::operator=): Un-privatize.
5875         * script-sections.cc (Output_section_element::Input_section_list):
5876         Change element type to Output_section::Simple_input_section.
5877         (Output_section_element_dot_assignment::set_section_addresses):
5878         Register output section data for relaxation clean up.
5879         (Output_data_exression::Output_data_expression): Adjust call to base
5880         constructor to fix data size.
5881         (Output_section_element_data::set_section_addresses): Register
5882         Output_data_expression object for relaxation clean up.
5883         (struct Input_section_info): Replace Relobj pointer and section index
5884         pair with Output_section::Simple_input_section and Convert struct to a
5885         class.
5886         (Input_section_sorter::operator()): Adjust access to
5887         Input_section_info data member to use accessors.
5888         (Output_section_element_input::set_section_addresses): Use layout
5889         parameter.  Adjust code to use Output_section::Simple_input_section
5890         and Input_secction_info classes.  Register filler for relaxation
5891         clean up.
5892         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5893         and section index pair with Output_section::Simple_input_section
5894         class.  Adjust code accordingly.
5895         (Phdrs_element::release_segment): New method definition.
5896         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5897         segment list.
5898         (Script_sections::release_segments): New method definition.
5899         * gold/script-sections.h (Script_sections::release_segments): New
5900         method declaration.
5901         * gold/target.h (Target::may_relax, Target::relax,
5902         Target::do_may_relax, Target::do_relax): New method definitions.
5903
5904 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5905
5906         * arm.cc (has_signed_unsigned_overflow): New function.
5907         (Arm_relocate_functions::abs8): New function.
5908         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5909         (Target_arm::Scan::global): Likewise.
5910         (Target_arm::relocate::relocate): Likewise.
5911         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5912         Likewise.
5913
5914 2009-09-16  Cary Coutant  <ccoutant@google.com>
5915
5916         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5917         * testsuite/Makefile.in: Regenerate.
5918
5919 2009-09-11  Nick Clifton  <nickc@redhat.com>
5920
5921         * po/gold.pot: Updated by the Translation project.
5922
5923 2009-09-08  Cary Coutant  <ccoutant@google.com>
5924
5925         * output.cc (Output_file::open): Add execute permission to empty file.
5926         * testsuite/Makefile.am (permission_test): New test.
5927         * testsuite/Makefile.in: Regenerate.
5928
5929 2009-09-02  Ian Lance Taylor  <iant@google.com>
5930
5931         * output.cc (Output_file::resize): Call map_no_anonymous rather
5932         than map.
5933
5934 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5935
5936         * gold.cc: Include "incremental.h".
5937         (queue_initial_tasks): Call Incremental_checker methods.
5938         * incremental.cc: Include "output.h".
5939         (Incremental_checker::can_incrementally_link_output_file): New
5940         method.
5941         * incremental.h (Incremental_checker): New class.
5942
5943         * output.cc (Output_file::open_for_modification): New method.
5944         (Output_file::map_anonymous): Changed return type to bool.  Record
5945         map in base_ field.
5946         (Output_file::map_no_anonymous): New method, broken out of map.
5947         (Output_file::map): Use map_no_anonymous and map_anonymous.
5948         * output.h (class Output_file): Update declarations.
5949
5950 2009-08-24  Cary Coutant  <ccoutant@google.com>
5951
5952         * options.h (Command_line::Pre_options): New class.
5953         (Command_line::pre_options): New member.
5954         * options.cc (gold::options::ready_to_register): New variable.
5955         (One_option::register_option): Do nothing if not registering options.
5956         Assert if same short option registered twice.
5957         (General_options::General_options): Turn off option registration when
5958         done constructing.
5959         (Command_line::Pre_options::Pre_options): New constructor.
5960
5961 2009-08-24  Cary Coutant  <ccoutant@google.com>
5962
5963         * options.h (General_options::no_keep_memory): Remove incorrect
5964         short option.
5965
5966 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5967
5968         * Makefile.am (am__skiplex, am__skipyacc): New.
5969         * Makefile.in: Regenerate.
5970
5971 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5972
5973         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5974         (INCLUDES): ... this.
5975         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5976         (AM_CPPFLAGS): Renamed from ...
5977         (INCLUDE): ... this.
5978         * Makefile.in, testsuite/Makefile.in: Regenerate.
5979
5980         * Makefile.in: Regenerate.
5981         * aclocal.m4: Likewise.
5982         * config.in: Likewise.
5983         * configure: Likewise.
5984         * testsuite/Makefile.in: Likewise.
5985
5986         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5987         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5988         * Makefile.in: Regenerate.
5989         * testsuite/Makefile.in: Regenerate.
5990
5991 2009-08-19  Cary Coutant  <ccoutant@google.com>
5992
5993         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5994         symbols in shared libraries overridden by hidden or internal symbols
5995         in the main program.
5996
5997 2009-08-19  Chris Demetriou  <cgd@google.com>
5998
5999         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
6000         checking source file names in error messages.
6001
6002 2009-08-18  Doug Kwan  <dougkwan@google.com>
6003
6004         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
6005         an elcpp::Ehdr as parameter.  Adjust call to set_target.
6006         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
6007         an elfcpp::Ehdr as parameter.
6008         * object.cc (Object::set_target): Remove the version that looks up
6009         a target and sets it.
6010         (Sized_relobj::setup): Take a Target object instead of
6011         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
6012         (make_elf_sized_object): Find target and ask target to
6013         make an ELF object.
6014         * object.h: (Object::set_target): Remove the version that looks up
6015         a target and sets it.
6016         (Sized_relobj::setup): Take a Target object instead of
6017         an elfcpp:Ehdr as parameter.
6018         * target.cc: Include dynobj.h.
6019         (Target::do_make_elf_object_implementation): New.
6020         (Target::do_make_elf_object): New.
6021         * target.h (Target::make_elf_object): New template declaration.
6022         (Target::do_make_elf_object): New method declarations.
6023         (Target::do_make_elf_object_implementation): New template declaration.
6024
6025 2009-08-14  Ian Lance Taylor  <iant@google.com>
6026
6027         * gold.h (FUNCTION_NAME): Define.
6028         (gold_unreachable): Use FUNCTION_NAME.
6029
6030 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6031
6032         * icf.cc (Icf::find_identical_sections): Issue a warning when a
6033         symbol in the --keep-unique list is not found.
6034
6035 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6036
6037         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
6038         been maked as --keep-unique.
6039         (Icf::unfold_section): New function.
6040         * icf.h (Icf::unfold_section): New function.
6041         * options.h (General_options::keep_unique): New option.
6042         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
6043         * testsuite/Makefile.in: Regenerate.
6044         * testsuite/icf_keep_unique_test.sh: New file.
6045         * testsuite/icf_keep_unique_test.cc: New file.
6046
6047 2009-08-12  Cary Coutant  <ccoutant@google.com>
6048
6049         PR 10471
6050         * resolve.cc (Symbol_table::resolve): Check for references from
6051         dynamic objects to hidden and internal symbols.
6052         * testsuite/Makefile.am (hidden_test.sh): New test.
6053         * testsuite/Makefile.in: Regenerate.
6054         * testsuite/hidden_test.sh: New script.
6055         * testsuite/hidden_test_1.c: New test source.
6056         * testsuite/hidden_test_main.c: New test source.
6057
6058 2009-08-11  Doug Kwan  <dougkwan@google.com>
6059
6060         * arm.cc: Update comments.
6061         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
6062         segment to locate the .ARM.exidx section if present.
6063
6064 2009-08-09  Doug Kwan  <dougkwan@google.com>
6065
6066         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
6067         patch.
6068
6069 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
6070         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
6071         compiler warnings.
6072
6073 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
6074
6075         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
6076         valid tls_segment only for non-debug-section relocations.
6077         * testsuite/Makefile.am: Add gc_tls_test.
6078         * testsuite/Makefile.in: Regenerate.
6079         * testsuite/gc_tls_test.cc: New file.
6080         * testsuite/gc_tls_test.sh: New file.
6081
6082 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
6083
6084         * icf.cc: New file.
6085         * icf.h: New file.
6086         * Makefile.am (CCFILES): Add icf.cc.
6087         (HFILES): Add icf.h
6088         * Makefile.in: Regenerate.
6089         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
6090         * gc.h (gc_process_relocs): Populate lists used by icf to contain
6091         section, symbol and addend information for the relocs.
6092         * gold.cc (queue_middle_tasks): Call identical code folding.
6093         * gold.h: Add defines for multimap.
6094         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
6095         to the call of finalize_local_symbols.
6096         * main.cc (main): Create object of class Icf.
6097         * object.cc (Sized_relobj::do_layout): Allow this function to be
6098         called twice during icf.
6099         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
6100         to sections marked as identical by icf.
6101         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
6102         when available.
6103         (Sized_relobj::do_section_entsize): New function.
6104         * object.h (Object::section_entsize): New function.
6105         (Object::do_section_entsize): New pure virtual function.
6106         (Relobj::finalize_local_symbols): Add new parameter.
6107         (Relobj::do_section_entsize): New function.
6108         * options.h (General_options::icf): New option.
6109         (General_options::icf_iterations): New option.
6110         (General_options::print_icf_sections): New option.
6111         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
6112         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
6113         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
6114         icf.
6115         * symtab.cc (Symbol_table::is_section_folded): New function.
6116         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
6117         to sections marked as identical by icf.
6118         * symtab.h (Symbol_table::set_icf): New function.
6119         (Symbol_table::icf): New function.
6120         (Symbol_table::is_section_folded): New function.
6121         (Symbol_table::icf_): New data member.
6122         * target-reloc.h (relocate_section): Ignore sections folded by icf.
6123         * testsuite/Makefile.am: Add commands to build icf_test.
6124         * testsuite/Makefile.in: Regenerate.
6125         * testsuite/icf_test.sh: New file.
6126         * testsuite/icf_test.cc: New file.
6127
6128 2009-07-24  Chris Demetriou  <cgd@google.com>
6129
6130         * layout.cc (is_compressible_debug_section): Fix incorrect
6131         comment about compressed section names.
6132
6133 2009-07-20  Ian Lance Taylor  <ian@airs.com>
6134
6135         PR 10419
6136         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
6137
6138 2009-07-16  Ian Lance Taylor  <iant@google.com>
6139
6140         PR 10400
6141         * layout.h: #include <map>.
6142         (class Kept_section): Change from struct to class.  Add accessors
6143         and setters.  Add section size to Comdat_group mapping.  Change
6144         Comdat_group to std::map.  Add is_comdat_ field.  Add
6145         linkonce_size field in union.
6146         (class Layout): Update declaration of find_or_add_kept_section.
6147         Don't declare find_kept_object.
6148         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
6149         parameter.  Add object, shndx, is_comdat, and is_group_name
6150         parameters.  Change all callers.  Adjust for new Kept_section.
6151         (Layout::find_kept_object): Remove.
6152         * object.cc (Sized_relobj::include_section_group): Update use of
6153         Kept_section.  Rename secnum to shndx.  Only record
6154         Kept_comdat_section if sections are the same size.
6155         (Sized_relobj::include_linkonce_section): Update use of
6156         Kept_section.  Only record Kept_comdat_section if sections are the
6157         same size.  Set size of linkonce section.
6158         (Sized_relobj::map_to_kept_section): Update call to
6159         get_kept_comdat_section.
6160         * object.h (class Sized_relobj): Rename fields in
6161         Kept_comdat_section to drop trailing underscores; change object
6162         field to Relobj*.  Change Kept_comdat_section_table to store
6163         struct rather than pointer.
6164         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
6165         Add kept_object and kept_shndx parameters.  Change all callers.
6166         (Sized_relobj::get_kept_comdat_section): Change return type to
6167         bool.  Add kept_object and kept_shndx parameters.  Change all
6168         callers.
6169         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6170         Layout::find_or_add_kept_section.
6171
6172 2009-07-09  Ian Lance Taylor  <iant@google.com>
6173
6174         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6175         Reserve space in the hash table.
6176
6177 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6178
6179         * fileread.cc (File_read::get_mtime): New method.
6180         * fileread.h (Timespec): New structure.
6181         (File_read::get_mtime): New method.
6182         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6183         Renamed from timestamp_nsec.
6184         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6185         Elf_Xword.
6186         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6187         timestamp_nsec.
6188         (Incremental_inputs::report_archive): Save mtime; style fix.
6189         (Incremental_inputs::report_obejct): Save mtime; style fix.
6190         (Incremental_inputs::report_script): Save mtime; style fix.
6191         (Incremental_inputs::finalize_inputs): Style fix.
6192         (Incremental_inputs::finalize): Style fix.
6193         (Incremental_inputs::create_input_section_data): Store inputs
6194         mtime.
6195         * incremental.h (Incremental_inputs::report_script): Add mtime
6196         argument.
6197         (Incremental_inputs::Input_info::Input_info): Intialize only one
6198         union member.
6199         (Incremental_inputs::Input_info::archive): Move to nameless
6200         union.
6201         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6202         (Incremental_inputs::Input_info::script): Move to nameless union.
6203         (Incremental_inputs::mtime): New field.
6204         * script.cc (read_input_script): Pass file mtime to
6205         Incremental_input.
6206         * script.h (Script_info::inputs): Style fix.
6207
6208 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6209
6210         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6211         instead of 32.
6212
6213 2009-06-24  Ian Lance Taylor  <iant@google.com>
6214
6215         PR 10156
6216         * layout.cc (Layout::choose_output_section): If we find an
6217         existing section, update the flags.
6218         (Layout::create_notes): New function, broken out of
6219         Layout::finalize.
6220         (Layout::finalize): Don't create note sections.
6221         (Layout::create_note): Don't crash if linker script discards
6222         section.
6223         (Layout::create_gold_note): Likewise.
6224         (Layout::create_build_id): Likewise.  Don't set
6225         after_input_sections on the section.
6226         (Layout::create_executable_stack_info): Remove target parameter.
6227         Change caller.
6228         * layout.h (class Layout): Declare create_notes.  Update
6229         declaration of create_executable_stack_info.
6230         * gold.cc (queue_middle_tasks): Call create_notes.
6231         * output.cc (Output_section::update_flags_for_input_section): Move
6232         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6233         invalid.
6234         * output.h (Output_data::mark_address_invalid): New function.
6235         (class Output_section): Only declare, not define,
6236         update_flags_for_input_section.  Remove set_flags.
6237
6238 2009-06-24  Ian Lance Taylor  <iant@google.com>
6239
6240         * script-sections.cc (Output_section_definition::
6241         set_section_addresses): Rename shadowing local load_address to
6242         laddr.
6243
6244 2009-06-24  Ian Lance Taylor  <iant@google.com>
6245
6246         PR 10244
6247         * reloc.cc (relocate_sections): Skip empty relocation sections.
6248
6249 2009-06-23  Ian Lance Taylor  <iant@google.com>
6250
6251         PR 10156
6252         * layout.cc (Layout::create_note): Use choose_output_section
6253         rather than make_output_section.
6254
6255 2009-06-23  Ian Lance Taylor  <iant@google.com>
6256
6257         PR 10237
6258         * options.cc (General_options::parse_V): Set printed_version_.
6259         (General_options::General_options): Initialize printed_version_.
6260         * options.h (class General_options): Add printed_version_ field.
6261         * gold.cc (queue_initial_tasks): If there are no input files,
6262         don't give a fatal error if we printed the version information.
6263         (queue_middle_tasks): If using -r with a shared object, give a
6264         fatal error rather than an ordinary error.
6265
6266 2009-06-23  Ian Lance Taylor  <iant@google.com>
6267
6268         PR 10219
6269         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6270         (Layout::make_output_section): Set have_stabstr_section_ if we see
6271         a .stab*str section.
6272         (Layout::finalize): Call link_stabs_sections.
6273         (Layout::link_stabs_sections): New file.
6274         * layout.h (class Layout): Add have_stabstr_section_ field.
6275         Declare link_stabs_sections.
6276
6277 2009-06-23  Doug Kwan  <dougkwan@google.com>
6278
6279         * Makefile.am (libgold_a_LIBADD): New.
6280         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6281         * Makefile.in: Regenerate.
6282         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6283         * configure: Regenerate.
6284         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6285         * fileread.cc: Include sys/state.h
6286         * gold.h: Declare memmem and strndup if found missing.
6287         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6288
6289 2009-06-23  Ian Lance Taylor  <iant@google.com>
6290
6291         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6292         * configure: Rebuild.
6293
6294 2009-06-23  Ian Lance Taylor  <iant@google.com>
6295
6296         PR 10147
6297         * object.cc (Object::section_contents): Don't try to get a view if
6298         the section has length zero.
6299         (Object::handle_gnu_warning_section): If the section is empty, use
6300         the name of the section as the warning.
6301
6302 2009-06-23  Ian Lance Taylor  <iant@google.com>
6303
6304         PR 10133
6305         * stringpool.h (class Stringpool_template): Add optimize_ field.
6306         (Stringpool_template::set_optimize): New function.
6307         * stringpool.cc (Stringpool_template::Stringpool_template):
6308         Initialize optimize_ field.
6309         (Stringpool_template::set_string_offsets): Test local optimize
6310         fild rather than parameter.
6311         * layout.cc (Layout::Layout): Call set_optimize on the section
6312         name stringpool.
6313
6314 2009-06-22  Ian Lance Taylor  <iant@google.com>
6315
6316         PR 10030
6317         * yyscript.y: Parse TARGET.
6318         * script.cc (script_set_target): New function.
6319         * script-c.h (script_set_target): Declare.
6320         * options.cc (General_options::string_to_object_format): Rename
6321         from string_to_object_format in anonymous namespace.  Change
6322         callers.
6323         * options.h (class General_options): Declare
6324         string_to_object_format.
6325
6326 2009-06-22  Ian Lance Taylor  <iant@google.com>
6327
6328         * script-sections.cc (Script_sections::create_segments): Don't put
6329         program headers in a PT_LOAD segment if -n or -N.
6330
6331 2009-06-22  Ian Lance Taylor  <iant@google.com>
6332
6333         PR 10141
6334         * options.h (class General_options): Add -z lazy and -z now.  Sort
6335         -z options into alphabetical order.
6336         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6337
6338 2009-06-21  Ian Lance Taylor  <iant@google.com>
6339
6340         * layout.cc (Layout::make_output_section): Call
6341         Target::new_output_section.
6342         (Layout::attach_allocated_section_to_segment): Put large section
6343         sections in a separate load segment with the large segment flag
6344         set.
6345         (Layout::segment_precedes): Sort large data segments after other
6346         load segments.
6347         (align_file_offset): New static function.
6348         (Layout::set_segment_offsets): Use align_file_offset.
6349         * output.h (class Output_section): Add is_small_section_ and
6350         is_large_section_ fields.
6351         (Output_section::is_small_section): New function.
6352         (Output_section::set_is_small_section):  New function.
6353         (Output_section::is_large_section): New function.
6354         (Output_section::set_is_large_section): New function.
6355         (Output_section::is_large_data_section): New function.
6356         (class Output_segment): Add is_large_data_segment_ field.
6357         (Output_segment::is_large_data_segment): New function.
6358         (Output_segment::set_is_large_data_segment): New function.
6359         * output.cc (Output_section::Output_section): Initialize new
6360         fields.
6361         (Output_segment::Output_segment): Likewise.
6362         (Output_segment::add_output_section): Add assertion that large
6363         data sections always go in large data segments.  Force small data
6364         sections to the end of the list of data sections.  Force small BSS
6365         sections to the start of the list of BSS sections.  For large BSS
6366         sections to the end of the list of BSS sections.
6367         * symtab.h (class Symbol): Declare is_common_shndx.
6368         (Symbol::is_defined): Check Symbol::is_common_shndx.
6369         (Symbol::is_common): Likewise.
6370         (class Symbol_table): Define enum Commons_section_type.  Update
6371         declarations.  Add small_commons_ and large_commons_ fields.
6372         * symtab.cc (Symbol::is_common_shndx): New function.
6373         (Symbol_table::Symbol_table): Initialize new fields.
6374         (Symbol_table::add_from_object): Put small and large common
6375         symbols in the right list.
6376         (Symbol_table::sized_finalized_symbol): Check
6377         Symbol::is_common_shndx.
6378         (Symbol_table::sized_write_globals): Likewise.
6379         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6380         common symbol lists.  Don't call do_allocate_commons_list if the
6381         list is empty.
6382         (Symbol_table::do_allocate_commons_list): Remove is_tls
6383         parameter.  Add comons_section_type parameter.  Change all
6384         callers.  Handle small and large common symbols.
6385         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6386         Symbol::is_common_shndx.
6387         * resolve.cc (symbol_to_bits): Likewise.
6388         * target.h (Target::small_common_shndx): New function.
6389         (Target::small_common_section_flags): New function.
6390         (Target::large_common_shndx): New function.
6391         (Target::large_common_section_flags): New function.
6392         (Target::new_output_section): New function.
6393         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6394         small_common_section_flags, and large_common_section_flags
6395         fields.
6396         (Target::do_new_output_section): New virtual function.
6397         * arm.cc (Target_arm::arm_info): Initialize new fields.
6398         * i386.cc (Target_i386::i386_info): Likewise.
6399         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6400         Likewise.
6401         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6402         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6403         (Target_x86_64::do_new_output_section): New function.
6404         * configure.ac: Define conditional MCMODEL_MEDIUM.
6405         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6406         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6407         (large_LDFLAGS): Define.
6408         * testsuite/large.c: New file.
6409         * testsuite/testfile.cc (Target_test::test_target_info):
6410         Initialize new fields.
6411         * configure, testsuite/Makefile.in: Rebuild.
6412
6413 2009-06-05  Doug Kwan  <dougkwan@google.com>
6414
6415         * Makefile.am (CCFILES): Add target.cc.
6416         * Makefile.in: Regenerate.
6417         * i386.cc (class Target_i386): Define new virtual method to
6418         override do_is_local_label_name in parent.
6419         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6420         local symbols if --discard-locals or -X is given.
6421         * options.h (class General_options): Declare new options
6422         '--discard-locals' and '-X' for discarding locals.
6423         * target.h (class Target): Define new methods is_local_label_name.
6424         Declare new virtual method do_is_local_label_name.
6425         * target.cc: New file.
6426         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6427         (check_SCRIPTS): Add discard_locals_test.sh.
6428         (check_DATA): Add discard_local_tests.syms.
6429         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6430         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6431         * testsuite/Makefile.in: Regenerate.
6432         * testsuite/discard_locals_test.c: New file.
6433         * testsuite/discard_locals_test.sh: Same.
6434
6435 2009-06-05  Doug Kwan  <dougkwan@google.com>
6436
6437         * object.cc (Sized_relobj::Sized_relobj): Initialize
6438         discarded_eh_frame_shndx_ to -1U.
6439         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6440         section.
6441         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6442         a discarded .eh_frame section.
6443         (Sized_relobj::do_finalize_local_symbols): Ditto.
6444         * object.h (class Sized_relobj): Declare new member
6445         discarded_eh_frame_shndx_.
6446         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6447         (local_labels_test.o, local_labels_test): New rules.
6448         * testsuite/Makefile.in: Regenerate.
6449
6450 2009-06-04  Doug Kwan  <dougkwan@google.com>
6451
6452         * layout.cc (Layout::section_name_mapping): Add mapping for
6453         special ARM sections.
6454
6455 2009-06-03  Doug Kwan  <dougkwan@google.com>
6456
6457         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6458         (utils::has_overflow): Same.
6459
6460 2009-06-03  Ian Lance Taylor  <iant@google.com>
6461
6462         * layout.cc (Layout::section_name_mapping): New array, replacing
6463         Layout::linkonce_mapping.
6464         (Layout::section_name_mapping_count): New variable, replacing
6465         Layout::linkonce_mapping_count.
6466         (Layout::linkonce_output_name): Remove.
6467         (Layout::output_section_name): Rewrite.
6468         * layout.h (class Layout): Rename Linkonce_mapping to
6469         Section_name_mapping, linkonce_mapping to section_name_mapping,
6470         linkonce_mapping_count to section_name_mapping_count.  Don't
6471         declare linkonce_output_name.
6472
6473 2009-06-03  Doug Kwan  <dougkwan@google.com>
6474
6475         * gold/arm.cc (namespace utils): New.
6476         (Target_arm::reloc_is_non_pic): Define new method.
6477         (class Arm_relocate_functions): New.
6478         (Target_arm::Relocate::relocate): Handle relocation types used by
6479         Android.
6480
6481 2009-06-03  Ian Lance Taylor  <iant@google.com>
6482
6483         * arm.cc (Target_arm::scan::global): Use || instead of |.
6484
6485 2009-06-02  Doug Kwan  <dougkwan@google.com>
6486
6487         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6488         issued_non_pic_error_.
6489         (class Target_arm::Scan): Declare new method check_non_pic.
6490         Define new method symbol_needs_plt_entry.
6491         Declare new data member issued_non_pic_error_.
6492         (class Target_arm::Relocate): Declare new method
6493         should_apply_static_reloc.
6494         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6495         (Target_arm::Scan::check_non_pic): Define new method.
6496         (Target_arm::Scan::local): Handle a small subset of reloc types used
6497         by Android.
6498         (Target_arm::Scan::local): Same.
6499         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6500
6501 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6502
6503         * incremental.cc (Incremental_inputs::report_command_line): Filter
6504         out --incremental-* options.
6505
6506 2009-05-29  Doug Kwan  <dougkwan@google.com>
6507
6508         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6509         template class.
6510         (class Target_arm): Update comment.
6511         (Target_arm::Target_arm): Initialize new data members GOT_,
6512         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6513         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6514         and Target_arm::rel_dyn_section.
6515         Declare new_enum Target_arm::Got_type.
6516         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6517         and DYNBSS_.
6518         Update commments for member do_dynsym_value.
6519         (Target_arm::got_size, Target_arm::plt_section,
6520         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6521         new methods inside class defintion.
6522         (Target_arm::got_section): Define new method.
6523         (Target_arm::rel_dyn_section): Same.
6524         (Output_data_plt_arm): New template class.
6525         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6526         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6527         (Output_data_plt_arm::add_entry): Same.
6528         (Output_data_plt_arm::first_plt_entry): Define new
6529         static data member for PLT instruction template.
6530         (Output_data_plt_arm::plt_entry): Same.
6531         (Output_data_plt_arm::do_write): Define new method.
6532         (Target_arm::make_plt_entry): Same.
6533         (Target_arm::do_finalize_sections): Same.
6534         (Target_arm::do_dynsym_value): Same.
6535
6536 2009-05-28  Doug Kwan  <dougkwan@google.com>
6537
6538         * Makefile.am (TARGETSOURCES): Add arm.cc.
6539         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6540         * Makefile.in: Regenerate.
6541         * arm.cc: New file.
6542         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6543
6544 2009-05-26  Doug Kwan  <dougkwan@google.com>
6545
6546         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6547         (General_options::check_excluded_libs): Strip off directories in
6548         archive name before matching like GNU ld does.
6549         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6550         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6551         (exclude_libs_test_LDFLAGS): Add linker option
6552         -Wl,--exclude-libs,libexclude_libs_test_3
6553         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6554         an explicit archive without using -l.
6555         (alt/libexclude_libs_test_3.a): New make rule.
6556         * testsuite/Makefile.in: Regenerate.
6557         * testsuite/exclude_libs_test.c : Declare lib3_default().
6558         (main): Call it.
6559         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6560         * exclude_libs_test_3.c: New file.
6561
6562 2009-05-26  Nick Clifton  <nickc@redhat.com>
6563
6564         * po/id.po: New Indonesian translation.
6565         * po/gold.pot: Updated template file.
6566
6567 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6568
6569         * testsuite/Makefile.am: Add -ffunction-sections to compile
6570         gc_comdat_test files.  Add -Wl,--gc-sections to build
6571         gc_comdat_test.
6572         * testsuite/Makefile.in: Regenerate.
6573         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6574
6575 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6576
6577         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6578         kept comdat section was garbage collected.
6579         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6580         * testsuite/Makefile.in: Regenerate.
6581         * testsuite/gc_comdat_test.sh: New file.
6582         * testsuite/gc_comdat_test_1.cc: New file.
6583         * testsuite/gc_comdat_test_2.cc: New file.
6584
6585 2009-05-19  Doug Kwan  <dougkwan@google.com>
6586
6587         * archive.cc (Archive::Archive): Move constructor from archive.h
6588         to here.  Initialize no_export_.
6589         (Archive::get_elf_object_for_member): Set no_export flag of object.
6590         * archive.h (Archive::Archive): Move constructor body to
6591         archive.cc.
6592         (Archive::no_export): New method.
6593         (Archive::no_export_): New field.
6594         * object.h (Object::Object): Initialize no_export_ to false.
6595         (Object::no_export, Object::set_no_export): New methods.
6596         (Object::no_export_): New field.
6597         * options.cc (General_options::parse_exclude_libs): New method.
6598         (General_options::check_excluded_libs) Same.
6599         * options.h (exclude_libs): New option.
6600         (General_options::check_excluded_libs): New method declaration.
6601         (General_options::excluded_libs_): New field.
6602         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6603         default or protected visibility if an object has no-export flag set.
6604         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6605         (check_SCRIPTS): Add exclude_libs_test.sh.
6606         (check_DATA): Add exclude_libs_test.syms.
6607         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6608         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6609         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6610         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6611         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6612         libexclude_libs_test_2.a): New rules.
6613         * testsuite/Makefile.in: Regenerate.
6614         * testsuite/exclude_libs_test.c: New file.
6615         * testsuite/exclude_libs_test.sh: Ditto.
6616         * testsuite/exclude_libs_test_1.c: Ditto.
6617         * testsuite/exclude_libs_test_2.c: Ditto.
6618
6619 2009-05-15  Ian Lance Taylor  <iant@google.com>
6620
6621         * configure.ac: Check for declarations for cases where libiberty.h
6622         checks HAVE_DECL_xxx.
6623         * configure, config.in: Rebuild.
6624
6625 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6626
6627         * gold.h (Incremental_argument_list): Remove (invalid) forward
6628         declaration.
6629         * incremental.cc (Incremental_inputs::report_achive): New method.
6630         (Incremental_inputs::report_object): New method.
6631         (Incremental_inputs::report_script): New method.
6632         (Incremental_inputs::finalize_inputs): New method.
6633         (Incremental_inputs::finalize): Call finalize_inputs().
6634         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6635         Create inputs entries.
6636         * incremental.h (Incremental_input_type): New enum.
6637         (Incremental_inputs::Incremental_input): Initialize new fields.
6638         (Incremental_inputs::report_inputs): New method.
6639         (Incremental_inputs::report_achive): New method.
6640         (Incremental_inputs::report_object): New method.
6641         (Incremental_inputs::report_script): New method.
6642         (Incremental_inputs::finalize_inputs): New method.
6643         (Incremental_inputs::Input_info): New struct.
6644         (Incremental_inputs::Input_info_map): New typedef.
6645         (Incremental_inputs::lock_): New field.
6646         (Incremental_inputs::Inputs_): New field.
6647         (Incremental_inputs::Inputs_map): New field.
6648         * main.cc (main): Call Incremental_input::report_inputs.
6649         * options.h (Input_argument_list): Typedef moved from
6650         Input_arguments.
6651         (Input_file_group::Files): Remove, use ::Input_argument_list.
6652         (Input_file_group::Input_argument_list): Remove, use
6653         ::Input_argument_list.
6654         * plugin.cc (Plugin_manager::add_input_file): Add error in
6655         incremental build.
6656         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6657         functions.
6658         * script.cc (read_input_script): Call
6659         Incremental_input::report_script.
6660         * script.h (Script_info): New class.
6661
6662 2009-04-27  Ian Lance Taylor  <iant@google.com>
6663
6664         * x86_64.cc (do_adjust_output_section): Set entsize to
6665         plt_entry_size.
6666
6667 2009-04-23  Elliott Hughes  <enh@google.com>
6668
6669         * output.cc (Output_file::close): After short writes, continue
6670         writing from the correct offset in the buffer being written.
6671
6672 2009-04-23  Chris Demetriou  <cgd@google.com>
6673
6674         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6675         * configure: Regenerate.
6676         * config.in: Regenerate.
6677         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6678         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6679
6680 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6681
6682         * incremental.cc (Incremental_inputs_header_data): Renamed from
6683         Incremental_input_header_data.
6684         (Incremental_inputs_header_data::data_size): New field.
6685         (Incremental_inputs_header_data::put_input_file_count): Renamed
6686         from input_file_count.
6687         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6688         from command_line_offset.
6689         (Incremental_inputs_header_data::put_reserved): Renamed from
6690         put_reserved.
6691         (Incremental_inputs_entry_data): Renamed from
6692         Incremental_input_entry_data.
6693         (Incremental_inputs_entry_data::data_size): New field.
6694         (Incremental_inputs::report_command_line): New method.
6695         (Incremental_inputs::finalize): New method.
6696         (Incremental_inputs::create_incremental_inputs_data): New method.
6697         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6698         * incremental.h: New file.
6699         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6700        (Layout::finalize): Create incremental inputs section in
6701         incremental builds.
6702        (Layout::create_incremental_info_sections): New method.
6703         * layout.h (Layout::incremental_inputs): New method.
6704        (Layout::create_incremental_info_sections): New method.
6705        (Layout::incremental_inputs_): New field.
6706         * main.cc (main): Notify Incremental_input of the command line.
6707
6708 2009-04-01  Ian Lance Taylor  <iant@google.com>
6709             Mikolaj Zalewski  <mikolajz@google.com>
6710
6711         * gold.h (reserve_unordered_map): Define, three versions, one for
6712         each version of Unordered_map.
6713         * layout.cc (Layout::Layout): Remove options parameter.  Add
6714         number_of_input_files parameter.  Don't initialize options_.
6715         Initialize number_of_input_files_ and resized_signatures_.  Move
6716         sections_are_attached_.
6717         (Layout::layout_group): Reserve space for group_signatures_.
6718         (Layout::find_or_add_kept_section): Change name parameter to be a
6719         reference.  Resize signatures_ map when it gets large enough.
6720         (Layout::layout_eh_frame): Use parameters->options() instead of
6721         this->options_.
6722         (Layout::make_output_section): Likewise.
6723         (Layout::attach_allocated_section_to_segment): Likewise.
6724         (Layout::finalize, Layout::create_executable_stack): Likewise.
6725         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6726         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6727         * layout.h (class Layout): Update declarations.  Remove options_
6728         field.  Add number_of_input_files_ and resized_signatures_
6729         fields.  Move sections_are_attached_ field.
6730         * main.cc (main): Pass number of input files to Layout
6731         constructor.  Don't pass options.
6732
6733 2009-03-30  Ian Lance Taylor  <iant@google.com>
6734
6735         * ffsll.c (ffsll): Correct implementation.
6736
6737 2009-03-27  Ian Lance Taylor  <iant@google.com>
6738
6739         * ffsll.c: New file.
6740         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6741         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6742         * ftruncate.c (ftruncate): Declare before definition.
6743         * mremap.c (mremap): Likewise.
6744         * pread.c (pread): Likewise.
6745         * configure, Makefile.in, config.in: Rebuild.
6746
6747         * mremap.c: New file.
6748         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6749         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6750         (mremap): Declare if HAVE_MREMAP is not defined.
6751         * configure, Makefile.in, config.in: Rebuild.
6752
6753 2009-03-27  Cary Coutant  <ccoutant@google.com>
6754
6755         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6756         position independent.
6757         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6758         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6759
6760 2009-03-24  Cary Coutant  <ccoutant@google.com>
6761
6762         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6763         an executable.
6764         (needs_dynamic_reloc): Likewise.
6765
6766 2009-03-24  Ian Lance Taylor  <iant@google.com>
6767
6768         * yyscript.y (file_cmd): Recognize EXTERN.
6769         (extern_name_list, extern_name_list_body): New nonterminals.
6770         * script.cc (script_add_extern): Define.
6771         * script-c.h (script_add_extern): Declare.
6772
6773 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6774
6775         * object.cc (is_elf_object): Define.
6776         * object.h (is_elf_object): Declare.
6777         * archive.cc (Archive::get_elf_object_for_member): Call
6778         is_elf_object.
6779         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6780
6781 2009-03-24  Elliott Hughes  <enh@google.com>
6782
6783         * output.cc (Output_file::map_anonymous): Define.
6784         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6785         try an anonymous one.  Report the size if the mmap fails.
6786         * output.h (class Output_file): Declare map_anonymous.
6787
6788 2009-03-24  Ian Lance Taylor  <iant@google.com>
6789
6790         * target-select.cc (instantiate_target): Don't acquire the lock if
6791         the instantiated_target_ field has already been set.
6792
6793 2009-03-23  Ian Lance Taylor  <iant@google.com>
6794
6795         * gold-threads.h (class Initialize_lock): Define.
6796         * gold-threads.cc (class Initialize_lock_once): Define.
6797         (initialize_lock_control): New static variable.
6798         (initialize_lock_pointer): New static variable.
6799         (initialize_lock_once): New static function.
6800         (Initialize_lock::Initialize_lock): Define.
6801         (Initialize_lock::initialize): Define.
6802         * target-select.h: Include "gold-threads.h".
6803         (class Target_selector): Add lock_ and initialize_lock_ fields.
6804         Don't define instantiate_target, just declare it.
6805         * target-select.cc (Target_selector::Target_selector): Initialize
6806         new fields.
6807         (Target_selector::instantiate_target): Define.
6808         * descriptors.h: Include "gold-threads.h".
6809         (class Descriptors): Add initialize_lock_ field.
6810         * descriptors.cc (Descriptors::Descriptors): Initialize new
6811         field.
6812         (Descriptors::open): Use initialize_lock_ field
6813         * errors.h (class Errors): Add initialize_lock_ field.
6814         * errors.cc (Errors::Errors): Initialize new field.
6815         (Errors::initialize_lock): Use initialize_lock_ field.
6816         * powerpc.cc (class Target_selector_powerpc): Remove
6817         instantiated_target_ field.  In do_recognize call
6818         instantiate_target rather than do_instantiate_target.  In
6819         do_instantiate_target just allocate a new target.
6820         * sparc.cc (class Target_selector_sparc): Likewise.
6821
6822         * freebsd.h: New file.
6823         * i386.cc: Include "freebsd.h".
6824         (Target_i386): Derive from Target_freebsd rather than
6825         Sized_target.
6826         (Target_selector_i386): Derive from Target_selector_freebsd rather
6827         than Target_selector.
6828         * x86_64.cc: Include "freebsd.h".
6829         (Target_x86_64): Derive from Target_freebsd rather than
6830         Sized_target.
6831         (Target_selector_x86_64): Derive from Target_selector_freebsd
6832         rather than Target_selector.
6833         * target.h (class Target): Add adjust_elf_header and
6834         do_adjust_elf_header.
6835         * output.cc (Output_file_header:: do_sized_write): Call target
6836         adjust_elf_header routine.
6837         * configure.tgt: Set targ_osabi.
6838         * configure.ac: Define GOLD_DEFAULT_OSABI.
6839         * parameters.cc (Parameters::default_target): Pass
6840         GOLD_DEFAULT_OSABI to select_target.
6841         * target-select.h (class Target_selector): Make instantiate_target
6842         protected rather than private.
6843         * Makefile.am (HFILES): Add freebsd.h.
6844         * configure, Makefile.in, config.in: Rebuild.
6845
6846         * merge.cc (do_add_input_section): Correct pend value.  Change
6847         message about last entry not being null terminated from error to
6848         warning.
6849
6850 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6851
6852         * incremental.cc: New file.
6853         * Makefile.am (CCFILES): Add incremental.cc.
6854         * Makefile.in: Rebuild.
6855
6856 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6857
6858         * layout.cc (Layout::output_section_name): Preserve names
6859         of '.note.' sections.
6860
6861 2009-03-19  Ian Lance Taylor  <iant@google.com>
6862
6863         * descriptors.cc (Descriptors::open): Check that the options are
6864         valid before using them.
6865
6866 2009-03-18  Ian Lance Taylor  <iant@google.com>
6867
6868         * script-sections.h: Include <list>.
6869         (class Script_sections): Change Sections_elements from std::vector
6870         to std::list.  Typedef public Elements_iterator.  Add
6871         orphan_section_placement_, data_segment_align_start_, and
6872         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6873         field.
6874         * script-sections.cc (class Orphan_section_placement): New class.
6875         (class Sections_element): Add virtual functions is_relro and
6876         orphan_section_init.  Remove virtual function place_orphan_here.
6877         (class Output_section_definition): Add is_relro and
6878         orphan_section_init.  Remove place_orphan_here.
6879         (class Orphan_output_section): Likewise.
6880         (Script_sections::Script_sections): Update for field changes.
6881         (Script_sections::data_segment_align): Set saw_data_segment_align_
6882         and data_segment_align_start_, not data_segment_align_index.
6883         (Script_sections::data_segment_relro_end): Check
6884         saw_data_segment_align_.  Use data_segment_align_start_ rather
6885         than data_segment_align_index_.
6886         (Script_sections::place_orphan): Rewrite to use
6887         Orphan_section_placement.
6888
6889 2009-03-17  Ian Lance Taylor  <iant@google.com>
6890
6891         * archive.cc (Archive::add_symbols): Check for a version attached
6892         to the symbol name in the archive map.
6893         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6894         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6895         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6896         (ver_test_11.a): New target.
6897         * testsuite/Makefile.in: Rebuild.
6898
6899         * configure.ac: Check for chsize and posix_fallocate.  Replace
6900         ftruncate.
6901         * ftruncate.c: New file, from gnulib.
6902         * output.cc (posix_fallocate): Define dummy version if not
6903         HAVE_POSIX_FALLOCATE.
6904         (Output_file::map): Call posix_fallocate rather than lseek and
6905         write.
6906         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6907         * configure, Makefile.in, config.in: Rebuild.
6908
6909 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6910
6911         * layout.h (Layout::create_note): Add section_name parameter.
6912         * layout.cc (Layout::create_note): Likewise.
6913         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6914
6915 2009-03-17  Ian Lance Taylor  <iant@google.com>
6916
6917         * descriptors.cc: Include "options.h".
6918         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6919         (Descriptors::open): Always use O_CLOEXEC when opening a new
6920         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6921         then set FD_CLOEXEC.
6922
6923         * sparc.cc (class Target_sparc): Add has_got_section.
6924         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6925         make sure we have a GOT section.
6926
6927         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6928         (Target_sparc::Scan::local): Likewise.
6929         (Target_sparc::Scan::global): Likewise.
6930         (Target_sparc::Relocate::relocate): Likewise.
6931         (Target_sparc::Relocate::relocate_tls): Likewise.
6932
6933         * symtab.cc (Symbol_table::define_default_version): New function,
6934         broken out of add_from_object.
6935         (Symbol_table::add_from_object): Call define_default_version.
6936         (Symbol_table::define_special_symbol): Add resolve_oldsym
6937         parameter.  Change all callers.  If the version for a symbol comes
6938         from a version script, resolve it with the symbol with the same
6939         name with no version.  Also add the symbol without a version if
6940         appropriate.
6941         (do_define_in_output_data): If resolving with oldsym, don't delete
6942         sym.
6943         (do_define_in_output_segment): Likewise.
6944         (do_define_as_constant): Likewise.
6945         * symtab.h (class Symbol_table): Update declarations.
6946
6947 2009-03-13  Ian Lance Taylor  <iant@google.com>
6948
6949         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6950         (Read_symbols::requeue): New function.
6951         (Read_symbols::do_read_symbols): If make_elf_object fails because
6952         the target type is not configured, and the file was searched for,
6953         issue a warning and retry with the next directory.
6954         (Add_symbols::run): If the file has an incompatible format, and
6955         it was searched for, requeue the Read_symbols task.  On error,
6956         release the object.
6957         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6958         dirindex parameter to constructor.  Change all callers.  Declare
6959         incompatible_warning and requeue.
6960         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6961         input_argument_ and input_group_ fields.  Add them to
6962         constructor.  Change all callers.
6963         (class Read_script): Add dirindex_ field.  Add it to constructor.
6964         Change all callers.
6965         * archive.cc (Archive::setup): Remove input_objects parameter.
6966         Change all callers.
6967         (Archive::get_file_and_offset): Likewise.
6968         (Archive::read_all_symbols): Likewise.
6969         (Archive::read_symbols): Likewise.
6970         (Archive::get_elf_object_for_member): Remove input_objects
6971         parameter.  Add punconfigured parameter.  Change all callers.
6972         (Archive::add_symbols): Change return type to bool.  Check return
6973         value of include_member.
6974         (Archive::include_all_members): Likewise.
6975         (Archive::include_member): Change return type to bool.  Return
6976         false if first included object has incompatible target.  Set
6977         included_member_ field.
6978         (Add_archive_symbols::run): If add_symbols returns false, requeue
6979         Read_symbols task.
6980         * archive.h (class Archive): Add included_member_ field.
6981         Initialize it in constructor.  Add input_file and searched_for
6982         methods.  Update declarations.
6983         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6984         input_argument_ fields.  Add them to constructor.  Change all
6985         callers.
6986         * script.cc: Include "target-select.h".
6987         (class Parser_closure): Add skip_on_incompatible_target_ and
6988         found_incompatible_target_ fields.  Add
6989         skip_on_incompatible_target parameter to constructor.  Change all
6990         callers.  Add methods skip_on_incompatible_target,
6991         clear_skip_on_incompatible_target, found_incompatible_target, and
6992         set_found_incompatible_target.
6993         (read_input_script): Add dirindex parameter.  Change all callers.
6994         If parser finds an incompatible target, requeue Read_symbols
6995         task.
6996         (script_set_symbol): Clear skip_on_incompatible_target in
6997         closure.
6998         (script_add_assertion, script_parse_option): Likewise.
6999         (script_start_sections, script_add_phdr): Likewise.
7000         (script_check_output_format): New function.
7001         * script.h (read_input_script): Update declaration.
7002         * script-c.h (script_check_output_format): Declare.
7003         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
7004         (ignore_cmd): Remove OUTPUT_FORMAT.
7005         * fileread.cc (Input_file::Input_file): Add explicit this.
7006         (Input_file::will_search_for): New function.
7007         (Input_file::open): Add pindex parameter.  Change all callers.
7008         * fileread.h (class Input_file): Add input_file_argument method.
7009         Declare will_search_for.  Update declarations.
7010         * object.cc (make_elf_object): Add punconfigured parameter.
7011         Change all callers.
7012         * object.h (class Object): Make input_file public.  Add
7013         searched_for method.
7014         (make_elf_object): Update declaration.
7015         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
7016         restart search.
7017         * dirsearch.h (class Dirsearch): Update declaration.
7018         * options.h (class General_options): Add --warn-search-mismatch.
7019         * parameters.cc (Parameters::is_compatible_target): New function.
7020         * parameters.h (class Parameters): Declare is_compatible_target.
7021         * workqueue.cc (Workqueue::add_blocker): New function.
7022         * workqueue.h (class Workqueue): Declare add_blocker.
7023
7024         * fileread.cc (Input_file::open): Remove options parameter.
7025         Change all callers.
7026         (Input_file::open_binary): Likewise.
7027         * script.cc (read_input_script): Likewise.
7028         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
7029         options parameter from constructor.  Change all callers.
7030         (class Read_script): Likewise.
7031         * fileread.h (class Input_file): Update declarations.
7032         * script.h (read_input_script): Update declaration.
7033
7034 2009-03-10  Nick Clifton  <nickc@redhat.com>
7035
7036         * po/es.po: New Spanish translation.
7037
7038 2009-03-06  Cary Coutant  <ccoutant@google.com>
7039
7040         * options.cc (parse_short_option): Keep dash_z from registering itself.
7041
7042 2009-03-03  Ian Lance Taylor  <iant@google.com>
7043
7044         PR 9918
7045         * target-reloc.h (relocate_section): Pass output_section to
7046         relocate.
7047         * i386.cc (Target_i386::should_apply_static_reloc): Add
7048         output_section parameter.  Change all callers.
7049         (Target_i386::Relocate::relocate): Add output_section parameter.
7050         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7051         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
7052         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
7053         * testsuite/two_file_shared.sh: New script.
7054         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
7055         (check_DATA): Add two_file_shared.dbg.
7056         (two_file_shared.dbg): New target.
7057         * testsuite/Makefile.in: Rebuild.
7058
7059 2009-03-01  Ian Lance Taylor  <iant@google.com>
7060
7061         * configure.ac: Check for byteswap.h.
7062         * configure: Rebuild.
7063         * config.in: Rebuild.
7064
7065 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
7066
7067         * layout.cc (Layout::find_or_add_kept_section): New function.
7068         (Layout::add_comdat): Removed.
7069         * layout.h (struct Kept_section): Move out of class Layout.
7070         Remove trailing underscores from field names.  Add group_sections
7071         field.  Rename group_ field to is_group.  Change all uses.
7072         (class Layout): Declare find_or_add_kept_section, not add_comdat.
7073         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
7074         comdat_groups_ field.
7075         (Sized_relobj::include_section_group): Use
7076         find_or_add_kept_section and Kept_section::group_sections.
7077         (Sized_relobj::include_linkonce_section): Likewise.
7078         * object.cc (class Sized_relobj): Don't define Comdat_group or
7079         Comdat_group_table.  Remove find_comdat_group and
7080         add_comdat_group.  Remove comdat_groups_ field.
7081         * plugin.cc (include_comdat_group): Use
7082         Layout::find_or_add_kept_section.
7083
7084 2009-02-28  Ian Lance Taylor  <iant@google.com>
7085
7086         * README: --gc-sections and map files are now supported.  Document
7087         some build requirements.
7088
7089         PR 6992
7090         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
7091         relocatable link set the value of the section symbol to zero.
7092         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
7093         relocatable link don't include the section address in the local
7094         symbol value.
7095
7096 2009-02-27  Ian Lance Taylor  <iant@google.com>
7097
7098         PR 6811
7099         * options.h (class Search_directory): Add is_system_directory.
7100         (class General_options): Declare is_in_system_directory.
7101         * options.cc (get_relative_sysroot): Make static.
7102         (get_default_sysroot): Make static.
7103         (General_optoins::is_in_system_directory): New function.
7104         * fileread.cc (Input_file::is_in_system_directory): New function.
7105         * fileread.h (class Input_file): Declare is_in_system_directory.
7106         * object.h (class Object): Add is_in_system_directory.
7107         (class Input_objects): Remove system_library_directory_ field.
7108         * object.cc (Input_objects::add_object): Don't set
7109         system_library_directory_.
7110         (input_objects::found_in_system_library_directory): Remove.
7111         * symtab.cc (Symbol_table::write_globals): Remove input_objects
7112         parameter.  Change all callers.
7113         (Symbol_table::sized_write_globals): Likewise.
7114         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
7115         Call Object::is_in_system_directory.
7116         * symtab.h (class Symbol_table): Update declarations.
7117
7118         PR 5990
7119         * descriptors.h (Open_descriptor): Add is_on_stack field.
7120         * descriptors.cc (Descriptors::open): If the descriptor is on the
7121         top of the stack, remove it.  Initialize is_on_stack field.
7122         (Descriptors::release): Only add pod to stack if it is not on the
7123         stack already.
7124         (Descriptors::close_some_descriptor): Clear stack_next and
7125         is_on_stack fields.
7126
7127         PR 7091
7128         * output.cc (Output_section::find_starting_output_address): Rename
7129         from starting_output_address; add PADDR parameter; change return
7130         type.
7131         * output.h (class Output_section): Declare
7132         find_starting_output_address instead of starting_output_address.
7133         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
7134         section symbol for which we can't find a merge section.
7135
7136         PR 9836
7137         * symtab.cc (Symbol_table::add_from_object): If the visibility is
7138         hidden or internal, force the symbol to be local.
7139         * resolve.cc (Symbol::override_visibility): Define.
7140         (Symbol::override_base): Use override_visibility.
7141         (Symbol_table::resolve): Likewise.
7142         (Symbol::override_base_with_special): Likewise.
7143         (Symbol_table::override_with_special): If the visibility is hidden
7144         or internal, force the symbol to be local.
7145         * symtab.h (class Symbol): Add set_visibility and
7146         override_visibility.
7147         * testsuite/ver_test_1.sh: New file.
7148         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
7149         (check_DATA): Add ver_test_1.syms.
7150         (ver_test_1.syms): New target.
7151         * testsuite/Makefile.in: Rebuild.
7152
7153 2009-02-25  Cary Coutant  <ccoutant@google.com>
7154
7155         * layout.cc (Layout::choose_output_section): Don't rename sections
7156         when using a linker script that has a SECTIONS clause.
7157         * Makefile.in: Regenerate.
7158
7159         * testsuite/Makefile.am (script_test_5.sh): New test case.
7160         * testsuite/Makefile.in: Regenerate.
7161         * testsuite/script_test_5.cc: New file.
7162         * testsuite/script_test_5.sh: New file.
7163         * testsuite/script_test_5.t: New file.
7164
7165 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
7166
7167         * archive.cc (Archive::include_member): Update calls to add_symbols.
7168         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
7169         the Layout argument.
7170         * dynobj.h (do_add_symbols): Add the Layout argument.
7171         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7172         Layout argument.
7173         * object.h (Object::add_symbols): Add the Layout argument.
7174         (Object::do_add_symbols): Add the Layout argument.
7175         (Sized_relobj::do_add_symbols): Add the Layout argument.
7176         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7177         Unify the two versions.
7178         (Add_plugin_symbols): Remove.
7179         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7180         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7181         (Add_plugin_symbols): Remove.
7182         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7183         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7184         (Add_symbols::run): Make it work with Pulginobj.
7185
7186 2009-02-06  Ian Lance Taylor  <iant@google.com>
7187
7188         * object.cc (Sized_relobj::do_layout): Make info message start
7189         with lower case letter.
7190
7191 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7192
7193         * binary.cc: Fix file comment.
7194
7195         * options.h (enum Incremental_disposition): Define.
7196         (class General_options): Add new options: --incremental,
7197         --incremental_changed, --incremental_unchanged,
7198         --incremental_unknown.  Add incremental_disposition_ and
7199         implicit_incremental_ fields.
7200         (General_options::incremental_disposition): New function.
7201         (class Position_dependent_options): Add incremental_disposition
7202         option.
7203         (Position_dependent_options::copy_from_options): Set incremental
7204         dispositions.
7205         * options.cc (General_options::parse_incremental_changed): New
7206         function.
7207         (General_options::parse_incremental_unchanged): New function.
7208         (General_options::parse_incremental_unknown): New function.
7209         (General_options::General_options): Initialize new fields
7210         incremental_disposition_ and implicit_incremental_.
7211         (General_options::finalize): Check for uasge of --incremental-*
7212         without --incremental.
7213
7214 2009-02-06  Chris Demetriou  <cgd@google.com>
7215
7216         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7217         pointer and to report location as the file name associated with
7218         the symbol.
7219         (gold_undefined_symbol_at_location): New function to replace the
7220         old gold_undefined_symbol functionality.
7221         * target-reloc.h (relocate_section): Update to use
7222         gold_undefined_symbol_at_location.
7223         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7224         Call gold_undefined_symbol function rather than gold_error.
7225         * errors.h (Errors::undefined_symbol): Take location as a
7226         string, rather than calculating it from a relocation.
7227         * errors.cc (Errors::fatal): Print "fatal error:" before the
7228         formatted message.
7229         (Errors::error, Errors::error_at_location): Print "error: "
7230         before the formatted message.
7231         (Errors::undefined_symbol): Take location as a string, rather
7232         than calculating it from a relocation.
7233         (gold_undefined_symbol_at_location): New function akin to
7234         old gold_undefined_symbol, calculates location from relocation.
7235         (gold_undefined_symbol): Change to take only a Symbol pointer
7236         and to report location as the file name associated with the symbol.
7237         * testsuite/debug_msg.sh: Update for changed error messages.
7238         * testsuite/undef_symbol.sh: Likewise.
7239
7240 2009-02-04  Duncan Sands  <baldrick@free.fr>
7241
7242         PR 9812
7243         * reduced_debug_output.h
7244         (Output_reduced_debug_abbrev_section::failed): Use format for
7245         gold_warning.
7246         (Output_reduced_debug_info_section::faild): Likewise.
7247
7248 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7249
7250         * script.cc (Lazy_demangler): New class.
7251         (Version_script_info::get_symbol_version_helper): Demangle a
7252         symbol only once.
7253
7254 2009-01-29  Cary Coutant  <ccoutant@google.com>
7255
7256         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7257         to __tls_get_addr.
7258         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7259
7260 2009-01-28  Ian Lance Taylor  <iant@google.com>
7261
7262         * version.cc (version_string): Bump to 1.9.
7263
7264         * gold.h: Include <cstring> and <stdint.h>.
7265         * version.cc: Include <cstdio>.
7266         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7267         warning.
7268         * reduced_debug_output.cc (insert_into_vector): Rename from
7269         Insert_into_vector; change all callers.  Use Swap_unaligned to
7270         avoid aliasing issue; remove union since it is unnecessary.
7271
7272 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7273
7274         * Makefile.am (CCFILES): Add gc.cc.
7275         (HFILES): Add gc.h.
7276         * Makefile.in: Regenerate.
7277         * gold.cc (Gc_runner): New class.
7278         (queue_initial_tasks): Call garbage collection related tasks
7279         when corresponding options are invoked.
7280         (queue_middle_gc_tasks): New function.
7281         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7282         processed early before laying out sections during garbage collection.
7283         * gold.h (queue_middle_gc_tasks): New function.
7284         (is_prefix_of): Move from "layout.cc".
7285         * i386.cc (Target_i386::gc_process_relocs): New function.
7286         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7287         * main.cc (main): Create object of class "Garbage_collection".
7288         * object.cc (Relobj::copy_symbols_data): New function.
7289         (Relobj::is_section_name_included): New function.
7290         (Sized_relobj::do_layout): Allow this function to be called twice
7291         during garbage collection and defer layout of section during the
7292         first call.
7293         * object.h (Relobj::get_symbols_data): New function.
7294         (Relobj::is_section_name_included): New function.
7295         (Relobj::copy_symbols_data): New function.
7296         (Relobj::set_symbols_data): New function.
7297         (Relobj::get_relocs_data): New function.
7298         (Relobj::set_relocs_data): New function.
7299         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7300         (Relobj::gc_process_relocs): New function.
7301         (Relobj::do_gc_process_relocs): New pure virtual function.
7302         (Relobj::sd_): New data member.
7303         (Sized_relobj::is_output_section_offset_invalid): New function.
7304         (Sized_relobj::do_gc_process_relocs): New function.
7305         * options.h (General_options::gc_sections): Modify to not be a no-op.
7306         (General_options::print_gc_sections): New option.
7307         * plugin.cc (Plugin_finish::run): Remove function call to
7308         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7309         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7310         * reloc.cc (Read_relocs::run): Add task to process relocs and
7311         determine unreferenced sections when doing garbage collection.
7312         (Gc_process_relocs): New class.
7313         (Sized_relobj::do_gc_process_relocs): New function.
7314         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7315         sections that are garbage collected.
7316         * reloc.h (Gc_process_relocs): New class.
7317         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7318         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7319         symbols whose corresponding sections are garbage collected.
7320         (Symbol_table::Symbol_table): Add new parameter for the garbage
7321         collection object.
7322         (Symbol_table::gc_mark_undef_symbols): New function.
7323         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7324         (Symbol_table::gc_mark_dyn_syms): New function.
7325         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7326         as garbage.
7327         (Symbol_table::add_from_object): Likewise.
7328         (Symbol_table::add_from_relobj): When building shared objects, do not
7329         treat externally visible symbols as garbage.
7330         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7331         table information for static and relocatable links.
7332         * symtab.h (Symbol_table::set_gc): New function.
7333         (Symbol_table::gc): New function.
7334         (Symbol_table::gc_mark_undef_symbols): New function.
7335         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7336         (Symbol_table::gc_mark_dyn_syms): New function.
7337         (Symbol_table::gc_): New data member.
7338         * target.h (Sized_target::gc_process_relocs): New pure virtual
7339         function.
7340         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7341         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7342
7343 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7344
7345         * options.h (General_options::gc_sections): Define as a no-op for now.
7346         (General_options::no_keep_memory): Ditto.
7347         (General_options::Bshareable): Define.
7348         * options.cc (General_options::finalize): Honor -Bshareable.
7349
7350 2009-01-20  Andreas Schwab  <schwab@suse.de>
7351
7352         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7353         read the value in the contents, since we don't use it.  Use the
7354         template endianness when writing.
7355         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7356
7357 2009-01-19  Andreas Schwab  <schwab@suse.de>
7358
7359         * configure.tgt (powerpc64-*): Fix targ_obj.
7360
7361 2009-01-15  Ian Lance Taylor  <iant@google.com>
7362
7363         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7364         local symbols when stripping all symbols.
7365
7366 2009-01-14  Cary Coutant  <ccoutant@google.com>
7367
7368         * output.cc (Output_reloc): Add explicit instantiations.
7369
7370 2009-01-14  Cary Coutant  <ccoutant@google.com>
7371
7372         * archive.cc (Archive::get_elf_object_for_member): Remove call
7373         to File_read::claim_for_plugin.
7374         * descriptors.cc (Descriptors::open): Remove reference to
7375         is_claimed.
7376         (Descriptors::claim_for_plugin): Remove.
7377         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7378         (Descriptors::is_claimed): Remove.
7379         (claim_descriptor_for_plugin): Remove.
7380         * fileread.cc (File_read::claim_for_plugin): Remove.
7381         * fileread.h (File_read::claim_for_plugin): Remove.
7382         (File_read::descriptor): Reopen descriptor if necessary.
7383         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7384         (Plugin_manager::all_symbols_read): Add task parameter. Change
7385         all callers.
7386         (Plugin_manager::get_input_file): New function.
7387         (Plugin_manager::release_input_file): New function.
7388         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7389         corresponding data member.
7390         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7391         and pass to base constructor. Change all callers.
7392         (get_input_file, release_input_file): New functions.
7393         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7394         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7395         (Plugin_manager::all_symbols_read): Add task parameter.
7396         (Plugin_manager::get_input_file): New function.
7397         (Plugin_manager::release_input_file): New function.
7398         (Plugin_manager::task_): New data member.
7399         (Pluginobj::Pluginobj): Add filesize parameter.
7400         (Pluginobj::filename): New function.
7401         (Pluginobj::descriptor): New function.
7402         (Pluginobj::filesize): New function.
7403         (Pluginobj::filesize_): New data member.
7404         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7405         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7406         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7407
7408         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7409         with archive libraries.
7410         * testsuite/Makefile.in: Regenerate.
7411         * testsuite/plugin_test.c (struct sym_info): New type.
7412         (get_input_file, release_input_file): New static variables.
7413         (onload): Capture new transfer vector entries.
7414         (claim_file_hook): Stop reading at end of file according to filesize.
7415         Factor out parsing of readelf output into separate function.
7416         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7417         APIs and get the source file name from the symbol table.  Convert
7418         source file name to corresponding object file name.  Print info
7419         message when adding new input files.
7420         (parse_readelf_line): New function.
7421         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7422         * testsuite/plugin_test_2.sh: Likewise.
7423         * testsuite/plugin_test_3.sh: Likewise.
7424         * testsuite/plugin_test_4.sh: New test case.
7425
7426 2009-01-07  Ian Lance Taylor  <iant@google.com>
7427
7428         * version.cc (version_string): Bump to 1.8.
7429
7430 2008-12-23  Cary Coutant  <ccoutant@google.com>
7431
7432         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7433         * plugin.cc (Plugin_manager::finish): Rename as
7434         layout_deferred_objects.  Move cleanup to separate function.
7435         (Plugin_manager::cleanup): New function.
7436         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7437         separately.
7438         * plugin.h (Plugin_manager::finish): Rename as
7439         layout_deferred_objects.
7440         (Plugin_manager::cleanup): New function.
7441         (Plugin_manager::cleanup_done): New field.
7442
7443 2008-12-23  Cary Coutant  <ccoutant@google.com>
7444
7445         * plugin.cc (is_visible_from_outside): New function.
7446         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7447         so we don't return "IR only" status for exported symbols or -r links.
7448
7449         * testsuite/Makefile.am (plugin_test_3): New test case.
7450         * testsuite/Makefile.in: Regenerate.
7451         * testsuite/plugin_test_3.sh: New file.
7452
7453 2008-12-22  Cary Coutant  <ccoutant@google.com>
7454
7455         * object.cc (Sized_relobj::layout_section): New function.
7456         (Sized_relobj::do_layout): Defer layout of input sections until after
7457         plugin has provided replacement files.
7458         (Sized_relobj::do_layout_deferred_sections): New function.
7459         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7460         (Relobj::layout_deferred_sections): New function.
7461         (Relobj::do_layout_deferred_sections): New function.
7462         (Sized_relobj::do_layout_deferred_sections): New function.
7463         (Sized_relobj::layout_section): New function.
7464         (Sized_relobj::Deferred_layout): New structure.
7465         (Sized_relobj::deferred_layout_): New field.
7466         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7467         Change all callers.  Layout deferred sections.
7468         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7469         references.
7470         (Plugin_hook::run): Move code from do_plugin_hook inline.
7471         (Plugin_hook::do_plugin_hook): Remove.
7472         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7473         (Plugin_manager::finish): Renamed, was cleanup.
7474         (Plugin_manager::should_defer_layout): New function.
7475         (Plugin_manager::add_deferred_layout_object): New function.
7476         (Plugin_manager::Deferred_layout_list): New type.
7477         (Plugin_manager::deferred_layout_objects_): New field.
7478         (Plugin_hook::do_plugin_hook): Remove.
7479
7480 2008-12-17  Ian Lance Taylor  <iant@google.com>
7481
7482         * options.h (class General_options): Add --no case for
7483         --export-dynamic.
7484
7485 2008-12-16  Cary Coutant  <ccoutant@google.com>
7486
7487         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7488         vector.
7489         (Plugin_manager::claim_file): Create plugin object even if
7490         plugin did not call the add_symbols callback.
7491         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7492         asking for more symbols than were added.
7493         * testsuite/Makefile.am (plugin_test_1): Add test case with
7494         no global symbols.
7495         (empty.syms): New target.
7496         * testsuite/Makefile.in: Regenerate.
7497         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7498         message. Don't call add_symbols if no globals.
7499         (all_symbols_read_hook): Don't provide replacement for empty
7500         claimed file.
7501
7502 2008-12-12  Ian Lance Taylor  <iant@google.com>
7503
7504         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7505         r_type == 0 for a local symbol with r_sym == 0.
7506         (scan_relocatable_relocs): Pass r_sym to
7507         local_non_section_strategy.
7508         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7509         r_sym parameter.
7510
7511         * configure.ac: Update test for TLS descriptors: they are
7512         supported as of glibc 2.9.
7513         * configure: Rebuild.
7514
7515 2008-12-11  Ian Lance Taylor  <iant@google.com>
7516
7517         PR 7091
7518         * target-reloc.h (Default_scan_relocatable_relocs): For each
7519         function, map r_type == 0 to RELOC_DISCARD.
7520
7521 2008-12-10  Cary Coutant  <ccoutant@google.com>
7522
7523         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7524         object to override a kept COMDAT group from a plugin object.
7525
7526 2008-12-09  Ian Lance Taylor  <iant@google.com>
7527
7528         PR 7088
7529         * yyscript.y (file_cmd): Handle INPUT.
7530
7531         * testsuite/initpri1.c: Change all declarations to be full
7532         prototypes by adding void, to avoid compiler warnings.
7533
7534 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7535
7536         * options.cc (General_options::parse_plugin_opt): New.
7537         (General_options::add_plugin): The argument now is just the filename.
7538         (General_options::add_plugin_option): New.
7539         * options.h (plugin_opt): New.
7540         (add_plugin): Change argument name.
7541         (add_plugin_option): New.
7542         * plugin.cc (Plugin::load): Don't parse the plugin option.
7543         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7544         (Plugin::add_option): New.
7545         (Plugin::args_): Change type.
7546         (Plugin::filename_): New.
7547         (Plugin_manager::add_plugin_option): New.
7548         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7549         * testsuite/Makefile.in: Regenerate.
7550
7551 2008-12-05  Cary Coutant  <ccoutant@google.com>
7552
7553         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7554         Handle --strip-lto-sections option.
7555         * options.h (strip_lto_sections): New option.
7556
7557 2008-12-01  Cary Coutant  <ccoutant@google.com>
7558
7559         * plugin.cc (ld_plugin_message): Change format parameter to const.
7560         Fix mismatch between new[] and delete.
7561
7562 2008-11-14  Cary Coutant  <ccoutant@google.com>
7563
7564         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7565         instead of -1U.
7566
7567 2008-11-05  Craig Silverstein  <csilvers@google.com>
7568
7569         * options.cc (General_options::parse_dynamic_list): New function.
7570         * options.h (General_options): New flags dynamic_list,
7571         dynamic_list_data, dynamic_list_cpp_new, and
7572         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7573         (General_options::in_dynamic_list): New function.
7574         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7575         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7576         (Lex::can_continue_name): Likewise.
7577         (yylex): Likewise.
7578         (read_script_file): New parameter script_options.
7579         (read_dynamic_list): New function.
7580         (Script_options::define_dynamic_list): New function.
7581         (dynamic_list_keyword_parsecodes): New variable.
7582         (dynamic_list_keywords): New variable.
7583         * script.h (Script_options::define_dynamic_list): New function
7584         prototype.
7585         (read_dynamic_list): New function prototype.
7586         * symtab.cc (strprefix): New macro.
7587         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7588         dynamic_list_data, dynamic_list_cpp_new, and
7589         dynamic_list_cpp_typeinfo.
7590         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7591         (dynamic_list_expr): New rule.
7592         (dynamic_list_nodes): Likewise.
7593         (dynamic_list_node): Likewise.
7594         * testsuite/Makefile.am (dynamic_list): New test.
7595         * testsuite/Makefile.in: Regenerated.
7596         * testsuite/dynamic_list.t: New file.
7597         * testsuite/dynamic_list.sh: New file.
7598
7599 2008-11-05  Craig Silverstein  <csilvers@google.com>
7600
7601         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7602         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7603         (t11_last): Likewise.
7604         * testsuite/ver_test_6.c (main): Likewise.
7605
7606 2008-10-07  Cary Coutant  <ccoutant@google.com>
7607
7608         * options.c (General_options::finalize): Add check for -static and
7609         -shared.
7610         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7611         is not empty.
7612
7613 2008-10-02  Cary Coutant  <ccoutant@google.com>
7614
7615         * plugin.cc (make_sized_plugin_object): Fix conditional
7616         compilation to work when not all targets are enabled.
7617
7618 2008-09-29  Cary Coutant  <ccoutant@google.com>
7619
7620         * archive.cc (Archive::get_file_and_offset): Use filename instead
7621         of name to get library path.
7622         (Archive::include_member): Unlock external member of a thin archive.
7623
7624         * testsuite/Makefile.am (TEST_AR): New variable.
7625         (thin_archive_test_1): New test.
7626         (thin_archive_test_2): New test.
7627         * testsuite/Makefile.in: Regenerate.
7628         * testsuite/thin_archive_main.cc: New file.
7629         * testsuite/thin_archive_test_1.cc: New file.
7630         * testsuite/thin_archive_test_2.cc: New file.
7631         * testsuite/thin_archive_test_3.cc: New file.
7632         * testsuite/thin_archive_test_4.cc: New file.
7633
7634 2008-09-29  Cary Coutant  <ccoutant@google.com>
7635
7636         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7637         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7638         instead of -1U.
7639         (Sized_relobj::do_finalize_local_symbols): Likewise.
7640         (Sized_relobj::map_to_kept_section): Likewise.
7641         * object.h (Sized_relobj::invalid_address): New constant.
7642         (Sized_relobj::do_output_section_offset): Check for invalid_address
7643         and return -1ULL.
7644         * output.cc (Output_reloc::local_section_offset): Use constant
7645         invalid_address instead of -1U.
7646         (Output_reloc::get_address): Likewise.
7647         (Output_section::output_address): Change -1U to -1ULL.
7648         * output.h (Output_reloc::invalid_address): New constant.
7649         * reloc.cc (Sized_relobj::write_sections): Use constant
7650         invalid_address instead of -1U.
7651         (Sized_relobj::relocate_sections): Likewise.
7652         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7653         values for merge sections.
7654         * target-reloc.h (relocate_for_relocatable): Use constant
7655         invalid_address instead of -1U.
7656
7657 2008-09-19  Cary Coutant  <ccoutant@google.com>
7658
7659         Add plugin functionality for link-time optimization (LTO).
7660         * configure.ac (plugins): Add --enable-plugins option.
7661         * configure: Regenerate.
7662         * config.in: Regenerate.
7663         * Makefile.am (LIBDL): New variable.
7664         (CCFILES): Add plugin.cc.
7665         (HFILES): Add plugin.h.
7666         (ldadd_var): Add LIBDL.
7667         * Makefile.in: Regenerate.
7668
7669         * archive.cc: Include "plugin.h".
7670         (Archive::setup): Don't preread archive symbols when using a plugin.
7671         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7672         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7673         files.
7674         (Archive::include_member): Add symbols from plugin objects.
7675         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7676         * descriptors.cc (Descriptors::open): Check for file descriptors
7677         abandoned by plugins.
7678         (Descriptors::claim_for_plugin): New function.
7679         * descriptors.h (Descriptors::claim_for_plugin): New function.
7680         (Open_descriptor::is_claimed): New field.
7681         (claim_descriptor_for_plugin): New function.
7682         * fileread.cc (File_read::claim_for_plugin): New function.
7683         * fileread.h (File_read::claim_for_plugin): New function.
7684         (File_read::descriptor): New function.
7685         * gold.cc: Include "plugin.h".
7686         (queue_initial_tasks): Add task to call plugin hooks for generating
7687         new object files.
7688         * main.cc: Include "plugin.h".
7689         (main): Load plugin libraries.
7690         * object.h (Pluginobj): Declare.
7691         (Object::pluginobj): New function.
7692         (Object::do_pluginobj): New function.
7693         (Object::set_target): New function.
7694         * options.cc: Include "plugin.h".
7695         (General_options::parse_plugin): New function.
7696         (General_options::General_options): Initialize plugins_ field.
7697         (General_options::add_plugin): New function.
7698         * options.h (Plugin_manager): Declare.
7699         (General_options): Add --plugin option.
7700         (General_options::has_plugins): New function.
7701         (General_options::plugins): New function.
7702         (General_options::add_plugin): New function.
7703         (General_options::plugins_): New field.
7704         * plugin.cc: New file.
7705         * plugin.h: New file.
7706         * readsyms.cc: Include "plugin.h".
7707         (Read_symbols::do_read_symbols): Check for archive before checking
7708         for ELF file.  Call plugin hooks to claim files.
7709         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7710         from a real object file; force override when processing replacement
7711         files.
7712         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7713         (Symbol::init_base_object): Likewise.
7714         (Symbol::init_base_output_data): Likewise.
7715         (Symbol::init_base_output_segment): Likewise.
7716         (Symbol::init_base_constant): Likewise.
7717         (Symbol::init_base_undefined): Likewise.
7718         (Symbol::output_section): Assert that object is not a plugin.
7719         (Symbol_table::add_from_pluginobj): New function.
7720         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7721         undefined.
7722         (Symbol_table::sized_write_globals): Likewise.
7723         (Symbol_table::add_from_pluginobj): Instantiate template.
7724         * symtab.h (Sized_pluginobj): Declare.
7725         (Symbol::in_real_elf): New function.
7726         (Symbol::set_in_real_elf): New function.
7727         (Symbol::in_real_elf_): New field.
7728         (Symbol_table::add_from_pluginobj): New function.
7729
7730         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7731         (LIBDL): New variable.
7732         (LDADD): Add LIBDL.
7733         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7734         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7735         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7736         (MOSTLYCLEANFILES): Likewise.
7737         * testsuite/Makefile.in: Regenerate.
7738         * testsuite/plugin_test.c: New file.
7739         * testsuite/plugin_test_1.sh: New file.
7740         * testsuite/plugin_test_2.sh: New file.
7741
7742 2008-09-16  Ian Lance Taylor  <iant@google.com>
7743
7744         * target-reloc.h (relocate_section): Check whether a symbol is
7745         defined by the ABI before reporting an undefined symbol error.
7746         * target.h (Target::is_defined_by_abi): Make parameter const.
7747         (Target::do_is_defined_by_abi): Likewise.
7748         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7749         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7750         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7751         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7752         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7753         * testsuite/Makefile.in: Rebuild.
7754
7755         * fileread.cc (make_view): Add casts to avoid warning.
7756
7757 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7758
7759         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7760         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7761
7762 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7763
7764         * options.h (General_options::output_is_executable): New.
7765         (General_options::output_is_pie): New.
7766         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7767         for shared libraries.
7768         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7769
7770 2008-09-11  Chris Demetriou  <cgd@google.com>
7771
7772         * options.h (origin): New -z option.
7773         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7774         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7775         in DT_FLAGS_1.
7776
7777 2008-09-05  Cary Coutant  <ccoutant@google.com>
7778
7779         * fileread.cc (File_read::make_view): Add check for attempt to map
7780         beyond end of file.
7781
7782 2008-09-05  Cary Coutant  <ccoutant@google.com>
7783
7784         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7785         explicit instantiations.
7786
7787 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7788
7789         PR gold/6858
7790         * options.cc (General_options::finalize): Allow undefined symbols
7791         in shlibs if linking -shared.
7792
7793         PR gold/6859
7794         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7795         symbols as not needing a dynsym entry.
7796
7797 2008-08-20  Craig Silverstein  <csilvers@google.com>
7798
7799         * fileread.cc (File_read::open): Do not lock the file unless it
7800         was successfully opened.
7801
7802 2008-08-14  Cary Coutant  <ccoutant@google.com>
7803
7804         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7805         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7806         * testsuite/tls_test.cc (struct int128): 128-bit struct
7807         for testing TLS relocs with non-zero addend.
7808         (v12): New TLS variable.
7809         (t12): New test.
7810         (t_last): Add check for v12.
7811         * testsuite/tls_test.h (t12): New function.
7812         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7813
7814 2008-08-13  Ian Lance Taylor  <iant@google.com>
7815
7816         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7817         set tls_segment_ or relro_segment_.
7818         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7819         when appropriate.
7820         * output.h (Output_section::clear_is_relro): New function.
7821         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7822         sections specially even when output_data_ is empty.
7823         (Output_segment::maximum_alignment): When first section is relro,
7824         only force alignment for PT_LOAD segments.
7825         * script.cc (script_data_segment_align): New function.
7826         (script_data_segment_relro_end): New function.
7827         * script-c.h (script_data_segment_align): Declare.
7828         (script_data_segment_relro_end): Declare.
7829         * script-sections.h (class Script_sections): Declare
7830         data_segment_align and data_segment_relro_end.  Add fields
7831         segment_align_index_ and saw_relro_end_.
7832         * script-sections.cc (class Sections_element): Add set_is_relro
7833         virtual function.  Add new bool* parameter to place_orphan_here.
7834         Add get_output_section virtual function.
7835         (class Output_section_definition): Add set_is_relro.  Add new
7836         bool* parameter to place_orphan_here.  Add get_output_section.
7837         Add is_relro_ field.
7838         (Output_section_definition::Output_section_definition): Initialize
7839         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7840         and is_relro_ fields.
7841         (Output_section_definition::place_orphan_here): Add is_relro
7842         parameter.
7843         (Output_section_definition::set_section_addresses): Set relro for
7844         output section.
7845         (Output_section_definition::alternate_constraint): Likewise.
7846         (class Orphan_output_section): Add new bool* parameter to
7847         place_orphan_here.  Add get_output_section.
7848         (Orphan_output_section::place_orphan_here): Add is_relro
7849         parameter.
7850         (Script_sections::Script_sections): Initialize
7851         data_segment_align_index_ and saw_relro_end_.
7852         (Script_sections::data_segment_align): New function.
7853         (Script_sections::data_segment_relro_end): New function.
7854         (Script_sections::place_orphan): Set or clear is_relro.
7855         (Script_sections::set_section_addresses): Force alignment of first
7856         TLS section.
7857         * yyscript.y (exp): Call script_data_segment_align and
7858         script_data_segment_relro_end.
7859         * testsuite/relro_script_test.t: New file.
7860         * testsuite/relro_test.cc (using_script): Declare.
7861         (t1, t2): Test using_script.
7862         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7863         (relro_script_test_SOURCES): Define.
7864         (relro_script_test_DEPENDENCIES): Define.
7865         (relro_script_test_LDFLAGS): Define.
7866         (relro_script_test_LDADD): Define.
7867         (relro_script_test.so): New target.
7868         * testsuite/Makefile.in: Rebuild.
7869
7870 2008-08-06  Cary Coutant <ccoutant@google.com>
7871
7872         * archive.cc (Archive::total_archives, Archive::total_members)
7873         (Archive::total_members_loaded): New variables.
7874         (Archive::setup): Add parameter.  Add option to preread
7875         archive symbols.
7876         (Archive::read_armap): Add counter.
7877         (Archive::get_file_and_offset): New function.
7878         (Archive::get_elf_object_for_member): New function.
7879         (Archive::read_all_symbols): New function.
7880         (Archive::read_symbols): New function.
7881         (Archive::add_symbols): Add counters.
7882         (Archive::include_all_members): Use armap to find members if it's
7883         already built.
7884         (Archive::include_member): Skip reading symbols if already read.
7885         Factored code into Archive::get_file_and_offset and
7886         Archive::get_elf_object_for_member.  Changed call to
7887         Mapfile::report_include_archive_member.
7888         (Archive::print_stats): New function.
7889         * archive.h: Declare Object and Read_symbols_data classes.
7890         (Archive::Archive): Add initializers for new members.
7891         (Archive::setup): Add parameter.
7892         (Archive::print_stats): New function.
7893         (Archive::total_archives, Archive::total_members)
7894         (Archive::total_members_loaded): New variables.
7895         (Archive::get_file_and_offset): New function.
7896         (Archive::get_elf_object_for_member): New function.
7897         (Archive::read_all_symbols): New function.
7898         (Archive::read_symbols): New function.
7899         (Archive::Archive_member): New class.
7900         (Archive::members_): New member.
7901         (Archive::num_members_): New member.
7902         * main.cc: Include archive.h.
7903         (main): Call Archive::print_stats.
7904         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7905         archive parameter; member_name is now the fully-decorated name.
7906         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7907         * options.h: (General_options): Add --preread-archive-symbols option.
7908         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7909         Archive::setup.
7910
7911 2008-08-04  Ian Lance Taylor  <iant@google.com>
7912
7913         * symtab.h (Symbol::use_plt_offset): New function.
7914         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7915         * powerpc.cc (Relocate::relocate): Likewise.
7916         * sparc.cc (Relocate::relocate): Likewise.
7917         * x86_64.cc (Relocate::relocate): Likewise.
7918         * testsuite/weak_plt.sh: New test.
7919         * testsuite/weak_plt_main.cc: New test.
7920         * testsuite/weak_plt_shared.cc: New test.
7921         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7922         (check_PROGRAMS): Add weak_plt.
7923         (check_DATA): Add weak_plt_shared.so.
7924         (weak_plt_main_pic.o, weak_plt): New targets.
7925         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7926         * testsuite/Makefile.in: Rebuild.
7927
7928         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7929         gcctestdir/ld.
7930         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7931         * testsuite/Makefile.in: Rebuild.
7932
7933 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7934
7935         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7936         * Makefile.in: Regenerate.
7937         * po/POTFILES.in: Regenerate.
7938
7939 2008-07-29  Ian Lance Taylor  <iant@google.com>
7940
7941         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7942         symbols before other symbols.
7943         * testsuite/script_test_2.cc (test_addr): Declare.
7944         (test_addr_alias): Declare.
7945         (main): Check that test_addr and test_addr_alias have the right
7946         values.
7947         * testsuite/script_test_2.t: Define test_addr_alias and
7948         test_addr.
7949
7950 2008-07-24  Ian Lance Taylor  <iant@google.com>
7951
7952         PR 5990
7953         * descriptors.cc: New file.
7954         * descriptors.h: New file.
7955         * gold-threads.h (class Hold_optional_lock): New class.
7956         * fileread.cc: Include "descriptors.h".
7957         (File_read::~File_read): Release descriptor rather than closing
7958         it.
7959         (File_read::open) [file]: Call open_descriptor rather than open.
7960         Set is_descriptor_opened_.
7961         (File_read::open) [memory]: Assert that descriptor is not open.
7962         (File_read::reopen_descriptor): New function.
7963         (File_read::release): Release descriptor.
7964         (File_read::do_read): Make non-const.  Reopen descriptor.
7965         (File_read::read): Make non-const.
7966         (File_read::make_view): Reopen descriptor.
7967         (File_read::do_readv): Likewise.
7968         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7969         Update declarations.
7970         * layout.cc: Include "descriptors.h".
7971         (Layout::create_build_id): Use open_descriptor rather than open.
7972         * output.cc: Include "descriptors.h".
7973         (Output_file::open): Use open_descriptor rather than open.
7974         * archive.cc (Archive::const_iterator): Change Archive to be
7975         non-const.
7976         (Archive::begin, Archive::end): Make non-const.
7977         (Archive::count_members): Likewise.
7978         * archive.h (class Archive): Update declarations.
7979         * object.h (Object::read): Make non-const.
7980         * Makefile.am (CCFILES): Add descriptors.cc.
7981         (HFILES): Add descriptors.h.
7982         * Makefile.in: Rebuild.
7983
7984         PR 6716
7985         * gold.h: Always include <clocale>.  Add Solaris workarounds
7986         following code in binutils/sysdep.h.
7987
7988         PR 6048
7989         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7990         this->eh_frame_hdr_ is NULL before using it.
7991
7992         * dynobj.cc (Versions::Versions): Update comment.
7993
7994         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7995         the base version name.
7996
7997         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7998         array size plus one.
7999         (Stringpool_template::set_string_offsets): Subtract one from key
8000         before using it as an array index.
8001         (Stringpool_template::get_offset_with_length): Likewise.
8002         (Stringpool_template::write_to_buffer): Likewise.
8003         * stringpool.h (Stringpool_template::get_offset_from_key):
8004         Likewise.
8005
8006 2008-07-23  Ian Lance Taylor  <iant@google.com>
8007
8008         PR 6658
8009         * object.h (Merged_symbol_value::value): Do our best to handle a
8010         negative addend.
8011
8012         PR 6647
8013         * script.cc (Version_script_info::get_versions): Don't add empty
8014         version tag to return value.
8015         (Version_script_info::get_symbol_version_helper): Change return
8016         type to bool.  Add pversion parameter.  Change all callers.
8017         (script_register_vers_node): Don't require a non-NULL tag.
8018         * script.h (class Version_script_info): Update declarations.
8019         (Version_script_info::get_symbol_version): Change return type to
8020         bool.  Add version parameter.  Change all callers.
8021         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
8022         handling.  Handle an empty version from a version script.
8023         (Symbol_table::define_special_symbol): Likewise.
8024         * testsuite/ver_test_10.script: New file.
8025         * testsuite/ver_test_10.sh: New file.
8026         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
8027         (check_DATA): Add ver_test_10.syms.
8028         (ver_test_10.syms, ver_test_10.so): New target.
8029         * testsuite/Makefile.in: Rebuild.
8030
8031 2008-07-23  Simon Baldwin  <simonb@google.com>
8032
8033         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
8034         to zero for undefined symbols from dynamic libraries.
8035
8036 2008-07-23  Ian Lance Taylor  <iant@google.com>
8037
8038         * symtab.cc (Symbol_table::resolve): Remove version parameter.
8039         Change all callers.
8040         * symtab.h (class Symbol_table): Update declaration.
8041         * testsuite/ver_test_9.cc: New file.
8042         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
8043         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
8044         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
8045         (ver_test_9.so, ver_test_9.o): New targets.
8046         * testsuite/Makefile.in: Rebuild.
8047
8048 2008-07-22  Ian Lance Taylor  <iant@google.com>
8049
8050         * options.h (class General_options): Define --check-sections.
8051         * layout.cc (Layout::set_segment_offsets): Handle
8052         --check-sections.
8053
8054         * options.h (class General_options): Define -n/--nmagic and
8055         -N/--omagic.
8056         * options.cc (General_options::finalize): For -n/--nmagic or
8057         -N/--omagic, set -static.
8058         * layout.cc (Layout::attach_allocated_section_to_segment): If
8059         -N/--omagic, don't put read-only and read-write sections in
8060         different segments.
8061         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
8062         finding a read-only segment.
8063         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
8064         don't set the minimum segment alignment to the common page size,
8065         and don't set the file offset to the address modulo the page size.
8066         * script-sections.cc (Script_sections::create_segments): If
8067         -n/--omagic, don't put read-only and read-write sections in
8068         different segments.
8069
8070         * cref.cc: New file.
8071         * cref.h: New file.
8072         * options.h (class General_options): Add --print-symbol-counts.
8073         * main.cc (main): Issue defined symbol report if requested.
8074         * archive.cc (Archive::interpret_header): Make into a const member
8075         function.
8076         (Archive::add_symbols): Call Input_objects::archive_start and
8077         archive_stop.
8078         (Archive::const_iterator): Define new class.
8079         (Archive::begin, Archive::end): New functions.
8080         (Archive::include_all_members): Rewrite to use iterator.
8081         (Archive::count_members): New function.
8082         * archive.h (class Archive): Update declarations.
8083         (Archive::filename): New function.
8084         * object.cc: Include "cref.h".
8085         (Sized_relobj::Sized_relobj): Initialize defined_count_.
8086         (Sized_relobj::do_get_global_symbol_counts): New function.
8087         (Input_objects::add_object): Add object to cross-referencer.
8088         (Input_objects::archive_start): New function.
8089         (Input_objects::archive_stop): New function.
8090         (Input_objects::print_symbol_counts): New function.
8091         * object.h: Declare Cref and Archive.
8092         (Object::get_global_symbol_counts): New function.
8093         (Object::do_get_global_symbol_counts): New pure virtual function.
8094         (class Sized_relobj): Add defined_count_ field.  Update
8095         declarations.
8096         (class Input_objects): Add cref_ field.  Update constructor.
8097         Update declarations.
8098         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
8099         defined_count_.
8100         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
8101         symbol counts.
8102         (Sized_dynobj::do_get_global_symbol_counts): New function.
8103         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
8104         defined_count_.  Update declarations.  Define Symbols typedef.
8105         * symtab.cc (Symbol_table::add_from_relobj): Add defined
8106         parameter.  Change all callers.
8107         (Symbol_table::add_from_dynobj): Add sympointers and defined
8108         parameters.  Change all callers.
8109         * symtab.h (class Symbol_table): Update declarations.
8110         * Makefile.am (CCFILES): Add cref.cc.
8111         (HFILES): Add cref.h.
8112         * Makefile.in: Rebuild.
8113
8114 2008-07-22  Simon Baldwin  <simonb@google.com>
8115
8116         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
8117         to zero when writing undefined symbols.
8118
8119 2008-07-22  Ian Lance Taylor  <iant@google.com>
8120
8121         * output.cc (Output_section::add_input_section): Don't try to
8122         merge empty merge sections.
8123
8124 2008-07-21  Craig Silverstein  <csilvers@google.com>
8125
8126         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8127         Include symbol version in error message.
8128
8129 2008-07-20  Chris Demetriou  <cgd@google.com>
8130
8131         * configure.ac (gold_cv_c_random_seed): New configured variable.
8132         (RANDOM_SEED_CFLAGS): New substituted variable.
8133         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
8134         * configure: Rebuild.
8135         * Makefile.in: Likewise.
8136         * testsuite/Makefile.in: Likewise.
8137
8138 2008-07-18  Ian Lance Taylor  <iant@google.com>
8139
8140         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
8141         where we see NAME/NULL and NAME/VERSION  as separate symbols.
8142         * testsuite/ver_test_main.cc (main): Call t4.
8143         (t4, t4_2a): Define.
8144         * testsuite/ver_test_2.cc (t4_2): Define.
8145         * testsuite/ver_test_2.script: Put t4_2a in VER2.
8146         * testsuite/ver_test_4.cc (t4_2a): Define.
8147         * testsuite/ver_test_4.script: Put t4_2a in VER2.
8148         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
8149
8150 2008-07-17  Ian Lance Taylor  <iant@google.com>
8151
8152         * dynobj.cc (Versions::add_def): If we give an error about a
8153         missing version, go ahead and create the version anyhow.
8154
8155 2008-07-10  Ian Lance Taylor  <iant@google.com>
8156
8157         Handle output sections with more than 0x7fffffff bytes.
8158         * object.h (class Relobj): Change map_to_output_ to
8159         output_sections_, and just keep a section pointer.  Change all
8160         uses.  Move comdat group support to Sized_relobj.
8161         (Relobj::is_section_specially_mapped): Remove.
8162         (Relobj::output_section): Remove poff parameter.  Change all
8163         callers.
8164         (Relobj::output_section_offset): New function.
8165         (Relobj::set_section_offset): Rewrite.
8166         (Relobj::map_to_output): Remove.
8167         (Relobj::output_sections): New function.
8168         (Relobj::do_output_section_offset): New pure virtual function.
8169         (Relobj::do_set_section_offset): Likewise.
8170         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8171         group support from Relobj.  Update declarations.
8172         (Sized_relobj::get_output_section_offset): New function.
8173         (Sized_relobj::do_output_section_offset): New function.
8174         (Sized_relobj::do_set_section_offset): New function.
8175         * object.cc (Relobj::output_section_address): Remove.
8176         (Sized_relobj::Sized_relobj): Initialize new fields.
8177         (Sized_relobj::include_section_group): Cast find_kept_object to
8178         Sized_relobj.
8179         (Sized_relobj::include_linkonce_section): Likewise.
8180         (Sized_relobj::do_layout): Use separate arrays for output section
8181         and output offset.
8182         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8183         output_sections.
8184         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8185         output_sections and section_offsets.
8186         (Sized_relobj::write_local_symbols): Likewise.
8187         (map_to_kept_section): Compute output address directly.
8188         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8189         output_sections and section_offsets.
8190         (Sized_relobj::write_sections): Likewise.
8191         (Sized_relobj::relocate_sections): Likewise.
8192         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8193         * output.h (class Output_reloc): Update declarations.  Change
8194         u2_.relobj to Sized_relobj*.
8195         (class Output_data_reloc): Change add functions to use
8196         Sized_relobj*.
8197         * output.cc (Output_reloc::Output_reloc): Change relobj to
8198         Sized_relobj*.
8199         (Output_reloc::local_section_offset): Change return type to
8200         Elf_Addr.  Use get_output_section_offset.
8201         (Output_reloc::get_address): Likewise.
8202         (Output_section::is_input_address_mapped): Don't call
8203         is_section_specially_mapped.
8204         (Output_section::output_offset): Likewise.
8205         (Output_section::output_address): Likewise.
8206         (Output_section::starting_output_address): Likewise.
8207         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8208         parameter to Sized_relobj*.
8209         (Copy_relocs::need_copy_reloc): Likewise.
8210         (Copy_relocs::save): Likewise.
8211         * copy-relocs.h (class Copy_relocs): Update declarations.
8212         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8213         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8214         * target-reloc.h (relocate_for_relocatable): Change
8215         offset_in_output_section type to Elf_Addr.  Change code that uses
8216         it as well.
8217         * layout.cc (Layout::layout): Always set *off.
8218         * mapfile.cc (Mapfile::print_input_section): Use
8219         output_section_offset.
8220         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8221         Sized_relobj*.
8222         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8223         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8224         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8225
8226 2008-07-03  Ian Lance Taylor  <iant@google.com>
8227
8228         * layout.cc (Layout::include_section): Do not discard unrecognized
8229         SHT_STRTAB sections.
8230
8231 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8232
8233         * script.cc (Lex::can_continue_name): Make '?' allowable in
8234         version-script names.
8235         * testsuite/version_script.map: Change glob pattern to use '?'
8236
8237 2008-06-30  Manish Singh  <yosh@gimp.org>
8238
8239         PR 6585
8240         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8241         Correct typo.
8242
8243 2008-06-30  Ian Lance Taylor  <iant@google.com>
8244
8245         PR 6660
8246         PR 6682
8247         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8248         versions]: Don't try to read the value in the contents, since we
8249         don't use it.  Use the template endianness when writing.
8250
8251 2008-06-25  Cary Coutant  <ccoutant@google.com>
8252
8253         * fileread.cc (File_read::make_view): Assert on zero-length view.
8254         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8255         symbol table when there are no symbols to read.
8256
8257 2008-06-23  Craig Silverstein  <csilvers@google.com>
8258
8259         * version.cc (version_string): Bump to 1.7
8260
8261 2008-06-18  Craig Silverstein  <csilvers@google.com>
8262
8263         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8264         constant 0xFFFF to type Valtype.
8265         (Powerpc_relocate_functions::rel16_ha): Likewise.
8266
8267 2008-06-17  Ian Lance Taylor  <iant@google.com>
8268
8269         * output.h (Output_section::Input_section): Initialize p2align_ to
8270         zero for Output_section_data constructors.
8271         (Output_section::Input_section::addralign): If not an input
8272         section, return the alignment of the Output_section_data.
8273         * testsuite/copy_test.cc: New file.
8274         * testsuite/copy_test_1.cc: New file.
8275         * testsuite/copy_test_2.cc: New file.
8276         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8277         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8278         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8279         (copy_test_1_pic.o, copy_test_1.so): New targets.
8280         (copy_test_2_pic.o, copy_test_2.so): New targets.
8281         * testsuite/Makefile.in: Rebuild.
8282
8283         * script-sections.cc (Script_sections::place_orphan): Initialize
8284         local variable exact.
8285
8286 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8287
8288         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8289
8290 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8291             David S. Miller  <davem@davemloft.net>
8292
8293         * powerpc.cc: New file.
8294         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8295         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8296         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8297         * Makefile.in: Rebuild.
8298
8299 2008-06-09  Ian Lance Taylor  <iant@google.com>
8300
8301         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8302         <exception>.
8303         (throwing, orig_terminate): New static variables.
8304         (terminate_handler): New static function.
8305         (t2): Set terminate handler.
8306
8307 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8308
8309         PR 6584
8310         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8311         alignment.
8312
8313 2008-05-30  Cary Coutant  <ccoutant@google.com>
8314
8315         * archive.cc (Archive::include_all_members) Correct to step
8316         over symbol table and extended name table in thin archives.
8317
8318 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8319
8320         PR 6407
8321         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8322         calculation.
8323
8324 2008-05-28  Caleb Howe  <cshowe@google.com>
8325
8326         * reduced_debug_output.cc: New file.
8327         * reduced_debug_output.h: New file.
8328         * options.h (class General_options): Add --strip-debug-non-line.
8329         * options.cc (General_options::finalize): Add strip_debug_non_line
8330         to the strip heirarchy.
8331         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8332         fields.
8333         * layout.cc: Include "reduced_debug_output.h".
8334         (Layout::Layout): Initialize new fields.
8335         (line_only_debug_sections): New static array.
8336         (is_lines_only_debug_sections): New static inline function.
8337         (Layout::include_section): Handle --strip-debug-non-line.
8338         (Layout::make_output_section): If --strip-debug-non-line, build
8339         new output sections for .debug_abbrev and .debug_info.
8340         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8341         gold.  Warn about possible overflow.
8342         (read_signed_LEB_128): Likewise.
8343         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8344         (read_signed_LEB_128): Declare.
8345         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8346         (HFILES): Add reduced_debug_output.h.
8347         * Makefile.in: Rebuild.
8348
8349 2008-05-21  Ian Lance Taylor  <iant@google.com>
8350
8351         * mapfile.cc: New file.
8352         * mapfile.h: New file.
8353         * options.h (class General_options): Add -M/--print-map and -Map.
8354         * options.cc (General_options::finalize): Make -M equivalent to
8355         -Map -.
8356         * main.cc: Include <cstdio> and "mapfile.h".
8357         (main): Open mapfile if requested.
8358         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8359         constructor.  Change caller.
8360         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8361         (queue_middle_tasks): Likewise.
8362         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8363         declarations.
8364         * archive.cc: Include "mapfile.h".
8365         (Archive::add_symbols): Add mapfile parameter.  Change all
8366         callers.  Pass mapfile, symbol, and reason to include_member.
8367         (Archive::include_all_members): Add mapfile parameter.  Change all
8368         callers.
8369         (Archive::include_member): Add mapfile, sym, and why parameters.
8370         Change all callers.  Report inclusion to map file.
8371         * archive.h: Include "fileread.h".
8372         (class Archive): Update declarations.
8373         (Archive::file): New const method.
8374         (class Add_archive_symbols): Add mapfile_ field.  Update
8375         constructor.  Change all callers.
8376         * readsyms.h (class Read_symbols): Likewise.
8377         (class Finish_group): Likewise.
8378         (class Read_script): Likewise.
8379         * common.cc: Include "mapfile.h".
8380         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8381         all callers.
8382         (Symbol_table::do_allocate_commons): Likewise.
8383         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8384         symbol allocation to mapfile.
8385         * common.h (class Allocate_commons_task): Add mapfile_ field.
8386         Update constructor.  Change all callers.
8387         * symtab.h (class Symbol_table): Update declarations.
8388         * layout.cc: Include "mapfile.h".
8389         (Layout_task_runner::run): Print information to mapfile.
8390         (Layout::create_gold_note): Change Output_data_fixed_space to
8391         Output_data_zero_fill.
8392         (Layout::create_build_id): Likewise.
8393         (Layout::print_to_mapfile): New function.
8394         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8395         constructor.  Change caller.
8396         (class Layout): Declare print_to_mapfile.
8397         * output.cc (Output_section::Input_section::print_to_mapfile): New
8398         function.
8399         (Output_section::add_input_section): If producing a map, always
8400         add to input_sections_ list.
8401         (Output_section::do_print_to_mapfile): New function.
8402         (Output_segment::print_sections_to_mapfile): New function.
8403         (Output_segment::print_section_list_to_mapfile): New function.
8404         * output.h: Include "mapfile.h".
8405         (Output_data::print_to_mapfile): New function.
8406         (Output_data::do_print_to_mapfile): New virtual function.
8407         (Output_segment_headers::do_print_to_mapfile): New function.
8408         (Output_file_header::do_print_to_mapfile): New function.
8409         (Output_data_const::do_print_to_mapfile): New function.
8410         (class Output_data_const_buffer): Add map_name_ field.  Update
8411         constructor.  Change all callers.  Add do_print_to_mapfile
8412         function.
8413         (class Output_data_fixed_space): Likewise.
8414         (class Output_data_space): Likewise.
8415         (class Output_data_zero_fill): New class.
8416         (Output_data_strtab::do_print_to_mapfile): New function.
8417         (Output_data_reloc_base::do_print_to_mapfile): New function.
8418         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8419         (Output_data_group::do_print_to_mapfile): New function.
8420         (Output_data_got::do_print_to_mapfile): New function.
8421         (Output_data_dynamic::do_print_to_mapfile): New function.
8422         (Output_symtab_xindex::do_print_to_mapfile): New function.
8423         (class Output_section): Declare do_print_to_mapflie.  Declare
8424         print_to_mapfile in Input_section.
8425         (class Output_segment): Declare new functions.
8426         * object.h (Sized_relobj::symbol_count): New function.
8427         * script-sections.cc
8428         (Output_section_element_dot_assignment::set_section_addresses):
8429         Change Output_data_fixed_space to Output_data_zero_fill.
8430         (Output_data_expression::do_print_to_mapfile): New function.
8431         * script.cc (read_input_script): Add mapfile parameter.  Change
8432         all callers.
8433         * script.h (read_input_script): Update declaration.
8434         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8435         (Eh_frame::do_print_to_mapfile): New function.
8436         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8437         (Output_merge_string::do_print_to_mapfile): New function.
8438         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8439         function.
8440         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8441         function.
8442         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8443         function.
8444         * Makefile.am (CCFILES): Add mapfile.cc.
8445         (HFILES): Add mapfile.h.
8446         * Makefile.in: Rebuild.
8447
8448 2008-05-19  Ian Lance Taylor  <iant@google.com>
8449
8450         * options.h (class General_options): Add -z relro.
8451         * layout.cc (Layout::Layout): Initialize relro_segment_.
8452         (Layout::add_output_section_data): Return the output section.
8453         (Layout::make_output_section): Rcognize relro sections and mark
8454         them appropriately.
8455         (Layout::attach_allocated_section_to_segment): Put relro sections
8456         in a PT_GNU_RELRO segment.
8457         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8458         section as relro.
8459         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8460         PT_TLS segments.
8461         (Layout::linkonce_mapping): Map d.rel.ro.local to
8462         .data.rel.ro.local.
8463         (Layout::output_section_name): Us .data.rel.ro.local for any
8464         section which begins with that.
8465         * layout.h (class Layout): Update add_output_section_data
8466         declaration.  Add relro_segment_ field.
8467         * output.cc (Output_section::Output_section): Initialize is_relro_
8468         and is_relro_local_ fields.
8469         (Output_segment::add_output_section): Group relro sections.
8470         (Output_segment::is_first_section_relro): New function.
8471         (Output_segment::maximum_alignment): If there is a relro section,
8472         align the segment to the common page size.
8473         (Output_segment::set_section_addresses): Track whether we are
8474         looking at relro sections.  If the last section is a relro
8475         section, align to the common page size.
8476         (Output_segment::set_section_list_addresses): Add in_relro
8477         parameter.  Change all callers.  Align to the page size when
8478         moving from relro to non-relro section.
8479         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8480         segment.
8481         * output.h (class Output_section): Add is_relro_ and
8482         is_relro_local_ fields.
8483         (Output_section::is_relro): New function.
8484         (Output_section::set_is_relro): New function.
8485         (Output_section::is_relro_local): New function.
8486         (Output_section::set_is_relro_local): New function.
8487         (class Output_segment): Update declarations.
8488         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8489         * sparc.cc (Target_sparc::got_section): Likewise.
8490         * x86_64.cc (Target_x86_64::got_section): Likewise.
8491         * testsuite/relro_test_main.cc: New file.
8492         * testsuite/relro_test.cc: New file.
8493         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8494         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8495         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8496         (relro_test.so, relro_test_pic.o): New targets.
8497         * testsuite/Makefile.in: Rebuild.
8498
8499 2008-05-16  Ian Lance Taylor  <iant@google.com>
8500
8501         * output.cc (Output_segment::add_output_section): Remove front
8502         parameter.
8503         * output.h (class Output_segment): Remove
8504         add_initial_output_section and overloaded add_output_section.
8505         Update declaration of remaining add_output_section.
8506         * layout.cc (Layout::create_interp): Call add_output_section
8507         rather than add_initial_output_section.
8508         (Layout::finish_dynamic_section): Likewise.
8509
8510         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8511         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8512         know the dynamic type.
8513         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8514         field.  Initialize it in constructor.
8515         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8516         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8517         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8518         reloc.
8519
8520         * output.cc (Output_reloc::get_address): Change return type to
8521         Elf_Addr.
8522         * output.h (class Output_reloc): Update get_address declaration.
8523         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8524         for section addresses.
8525
8526 2008-05-09  Ian Lance Taylor  <iant@google.com>
8527
8528         PR 6493
8529         * gold.cc (gold_nomem): Use return value of write.
8530
8531 2008-05-08  Ian Lance Taylor  <iant@google.com>
8532
8533         * symtab.c (Symbol::init_base_output_data): Add version
8534         parameter.  Change all callers.
8535         (Symbol::init_base_output_segment): Likewise.
8536         (Symbol::init_base_constant): Likewise.
8537         (Symbol::init_base_undefined): Likewise.
8538         (Sized_symbol::init_output_data): Likewise.
8539         (Sized_symbol::init_output_segment): Likewise.
8540         (Sized_symbol::init_constant): Likewise.
8541         (Sized_symbol::init_undefined): Likewise.
8542         (Symbol_table::do_define_in_output_data): If the new symbol has a
8543         version, mark it as the default.
8544         (Symbol_table::do_define_in_output_segment): Likewise.
8545         (Symbol_table::do_define_as_constant): Likewise.
8546         * symtab.h (class Symbol): Update declarations.
8547         (class Sized_symbol): Likewise.
8548         * resolve.cc (Symbol::override_version): New function.
8549         (Symbol::override_base): Call override_version.
8550         (Symbol::override_base_with_special): Likewise.
8551         * testsuite/ver_script_8.script: New file.
8552         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8553         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8554         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8555         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8556
8557 2008-05-06  Ian Lance Taylor  <iant@google.com>
8558
8559         PR 6049
8560         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8561         functions.
8562         (class General_options): Remove existing --undefined, and add
8563         --no-undefined instead.  Add new --undefined as synonym for -u.
8564         * archive.cc (Archive::add_symbols): Check whether symbol was
8565         named with -u.
8566         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8567         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8568         all uses.  Add IS_UNDEFINED.  Update declarations to split
8569         different versions of init_base.  Declare init_base_undefined.
8570         (Symbol::is_defined): Handle IS_UNDEFINED.
8571         (Symbol::is_undefined): Likewise.
8572         (Symbol::is_weak_undefined): Call is_undefined.
8573         (Symbol::is_absolute): Handle IS_CONSTANT.
8574         (class Sized_symbol): Update declarations to split different
8575         versions of init.  Declare init_undefined.
8576         (class Symbol_table): Declare new functions.
8577         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8578         Change all callers.
8579         (Symbol::init_base_output_data): Likewise.
8580         (Symbol::init_base_output_segment): Likewise.
8581         (Symbol::init_base_constant): Likewise.
8582         (Symbol::init_base_undefined): New function.
8583         (Sized_symbol::init_object): Rename from init.  Change all
8584         callers.
8585         (Sized_symbol::init_output_data): Likewise.
8586         (Sized_symbol::init_output_segment): Likewise.
8587         (Sized_symbol::init_constant): Likewise.
8588         (Sized_symbol::init_undefined): New function.
8589         (Symbol_table::add_undefined_symbols_from_command_line): New
8590         function.
8591         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8592         function.
8593         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8594         (Symbol::output_section): Likewise.
8595         (Symbol::set_output_section): Likewise.
8596         (Symbol_table::sized_finalize_symbol): Likewise.
8597         (Symbol_table::sized_write_globals): Likewise.
8598         * resolve.cc (Symbol_table::should_override): Likewise.
8599         (Symbol::override_base_with_special): Likewise.
8600
8601         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8602         symbol, change it to have default visibility.
8603         * testsuite/protected_1.cc: New file.
8604         * testsuite/protected_2.cc: New file.
8605         * testsuite/protected_3.cc: New file.
8606         * testsuite/protected_main_1.cc: New file.
8607         * testsuite/protected_main_2.cc: New file.
8608         * testsuite/protected_main_3.cc: New file.
8609         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8610         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8611         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8612         (protected_1.so): New target.
8613         (protected_1_pic.o, protected_2_pic.o): New targets.
8614         (protected_3_pic.o): New target.
8615         (check_PROGRAMS): Add protected_2.
8616         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8617         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8618         * testsuite/Makefile.in: Rebuild.
8619
8620         * options.h (DEFINE_var): Add set_user_set_##varname__.
8621         (DEFINE_bool_alias): New macro.
8622         (class General_options): Define -Bstatic using DEFINE_bool_alias
8623         rather than DEFINE_special.  Add --undefined as an alias for -z
8624         defs.
8625         * options.cc (General_options::parse_Bstatic): Remove.
8626
8627         * options.h (class General_options): Add --fatal-warnings.
8628         * main.cc (main): Implement --fatal-warnings.
8629         * errors.h (Errors::warning_count): New function.
8630
8631         * options.h (class General_options): Add -Bsymbolic-functions.
8632         * symtab.h (Symbol::is_preemptible): Check for
8633         -Bsymbolic-functions.
8634
8635 2008-05-05  Ian Lance Taylor  <iant@google.com>
8636
8637         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8638         as noVARNAME rather than no-VARNAME.
8639         (class General_options): Add option -z combreloc.
8640         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8641         get_address.
8642         (Output_reloc::sort_before) [SHT_REL]: New function.
8643         (Output_reloc::sort_before) [SHT_RELA]: New function.
8644         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8645         Sort_relocs_comparison.
8646         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8647         parameter.  Change all callers.
8648         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8649         sort_relocs parameter.  Change all callers.
8650         * output.cc (Output_reloc::get_address): New function, broken out
8651         of write_rel.
8652         (Output_reloc::write_rel): Call it.
8653         (Output_reloc::compare): New function.
8654         (Output_data_reloc_base::do_write): Optionally sort relocs.
8655
8656         * configure.ac: If targ_extra_obj is set, link it in.
8657         * configure.tgt: Initialize all variables.
8658         (x86_64*): Set targ_extra_obj and targ_extra_size.
8659         * configure: Rebuild.
8660
8661         * object.cc (Sized_relobj::include_section_group): Adjust section
8662         indexes read from group data.  Build vector to pass to
8663         layout_group.
8664         * layout.cc (Layout::layout_group): Add flags and shndxes
8665         parameters.  Remove contents parameter.  Change caller.  Update
8666         explicit instantiations.
8667         * layout.h (class Layout): Update layout_group declaration.
8668         * output.cc (Output_data_group::Output_data_group): Add flags and
8669         input_shndxes parameters.  Remove contents parameter.  Change
8670         caller.
8671         (Output_data_group::do_write): Change input_sections_ to
8672         input_shndxes_.
8673         * output.h (class Output_data_group): Update constructor
8674         declaration.  Rename input_sections_ to input_shndxes_.
8675         * testsuite/many_sections_test.cc: Add template.
8676
8677 2008-04-30  Cary Coutant  <ccoutant@google.com>
8678
8679         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8680
8681         * layout.cc (Layout::include_section): Refactored check for debug
8682         info section.
8683         (Layout::add_comdat): Add new parameters.  Change type
8684         of signature parameter.  Add object and shndx to signatures table.
8685         (Layout::find_kept_object): New function.
8686         * layout.h: Include <cstring>.
8687         (Layout::is_debug_info_section): New function.
8688         (Layout::add_comdat): Add new parameters.
8689         (Layout::find_kept_object): New function.
8690         (Layout::Kept_section): New struct.
8691         (Layout::Signatures): Change type of map range.
8692         * object.cc (Relobj::output_section_address): New function.
8693         (Sized_relobj::include_section_group): Add new parameters.  Change
8694         calls to Layout::add_comdat.  Change to build table of kept comdat
8695         groups and table mapping discarded sections to kept sections.
8696         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8697         (Sized_relobj::do_layout): Change calls to include_section_group and
8698         include_linkonce_section.
8699         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8700         value to zero when section is discarded.
8701         (Sized_relobj::map_to_kept_section): New function.
8702         * object.h (Relobj::output_section_address): New function.
8703         (Relobj::Comdat_group): New type.
8704         (Relobj::find_comdat_group): New function.
8705         (Relobj::Comdat_group_table): New type.
8706         (Relobj::Kept_comdat_section): New type.
8707         (Relobj::Kept_comdat_section_table): New type.
8708         (Relobj::add_comdat_group): New function.
8709         (Relobj::set_kept_comdat_section): New function.
8710         (Relobj::get_kept_comdat_section): New function.
8711         (Relobj::comdat_groups_): New field.
8712         (Relobj::kept_comdat_sections_): New field.
8713         (Symbol_value::input_value): Update comment.
8714         (Sized_relobj::map_to_kept_section) New function.
8715         (Sized_relobj::include_linkonce_section): Add new parameter.
8716         * target-reloc.h (Comdat_behavior): New type.
8717         (get_comdat_behavior): New function.
8718         (relocate_section): Add code to map a discarded section to the
8719         corresponding kept section when applying a relocation.
8720
8721 2008-04-30  Craig Silverstein  <csilvers@google.com>
8722
8723         * dwarf_reader.cc (next_generation_count): New static var.
8724         (Addr2line_cache_entry): New struct.
8725         (addr2line_cache): New static var.
8726         (Dwarf_line_info::one_addr2line): Added caching.
8727         (Dwarf_line_info::clear_addr2line_cache): New function.
8728         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8729         cache-size parameter.
8730         (Dwarf_line_info::one_addr2line_cache): New function.
8731         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8732         new cache-size argument to one_addr2line(), and clear cache.
8733
8734 2008-04-28  Cary Coutant  <ccoutant@google.com>
8735
8736         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8737         R_386_PC8 relocations.
8738
8739 2008-04-23  Ian Lance Taylor  <iant@google.com>
8740
8741         * object.cc (Sized_relobj::include_section_group): Check for
8742         invalid section group.
8743
8744         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8745         header size.
8746
8747         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8748         than read for file header.
8749         * archive.cc (Archive::include_member): Likewise.
8750
8751 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8752
8753         * aclocal.m4: Regenerate.
8754         * configure: Regenerate.
8755
8756 2008-04-19  Ian Lance Taylor  <iant@google.com>
8757
8758         * version.cc (version_string): Bump to 1.6.
8759
8760         * testsuite/Makefile.am (many_sections_r_test): New target.
8761         (many_sections_r_test_SOURCES): Remove.
8762         (many_sections_r_test_DEPENDENCIES): Remove.
8763         (many_sections_r_test_LDFLAGS): Remove.
8764         (many_sections_r_test_LDADD): Remove.
8765
8766         * object.cc (Sized_relobj::do_add_symbols): Always pass
8767         local_symbol_count_ to add_from_relobj.
8768
8769         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8770         every thousand variables.
8771         * testsuite/Makefile.in: Rebuild.
8772
8773         * object.cc (Xindex::initialize_symtab_xindex): New function.
8774         (Xindex::read_symtab_xindex): New function.
8775         (Xindex::sym_xindex_to_shndx): New function.
8776         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8777         available.
8778         (Sized_relobj::do_initialize_xindex): New function.
8779         (Sized_relobj::do_read_symbols): Adjust section links.
8780         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8781         parameter.  Change all callers.
8782         (Sized_relobj::include_section_group): Adjust section links and
8783         symbol section indexes.
8784         (Sized_relobj::do_layout): Adjust section links.
8785         (Sized_relobj::do_count_local_symbols): Adjust section links and
8786         symbol section indexes.
8787         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8788         ordinary and special symbols.
8789         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8790         dynsym_xindex parameters.  Change all callers.  Adjust section
8791         links.  Use SHN_XINDEX when needed.
8792         (Sized_relobj::get_symbol_location_info): Adjust section links.
8793         Don't get fooled by special symbols.
8794         * object.h (class Xindex): Define.
8795         (class Object): Add xindex_ parameter.  Declare virtual functoin
8796         do_initialize_xindex.
8797         (Object::adjust_sym_shndx): New function.
8798         (Object::set_xindex): New protected function.
8799         (class Symbol_value): Add is_ordinary_shndx_ field.
8800         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8801         (Symbol_value::value): Assert ordinary section.
8802         (Symbol_value::initialize_input_to_output_map): Likewise.
8803         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8804         Change all callers.
8805         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8806         all callers.
8807         (class Sized_relobj): Update declarations.
8808         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8809         parameter.  Change all callers.
8810         (Sized_relobj::adjust_shndx): New function.
8811         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8812         field.
8813         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8814         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8815         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8816         (Sized_dynobj::read_dynsym_section): Adjust section links.
8817         (Sized_dynobj::read_dynamic): Likewise.
8818         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8819         section links.
8820         (Sized_dynobj::do_initialize_xindex): New function.
8821         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8822         do_initialize_xindex.
8823         (Sized_dynobj::adjust_shndx): New function.
8824         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8825         dynsym_xindex_ fields.
8826         (Layout::finalize): Add a call to set_section_indexes before
8827         creating the symtab sections.
8828         (Layout::set_section_indexes): Don't do anything if the section
8829         already has a section index.
8830         (Layout::create_symtab_sections): Add shnum parameter.  Change
8831         caller.  Create .symtab_shndx section if needed.
8832         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8833         caller.
8834         (Layout::allocated_output_section_count): New function.
8835         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8836         needed.
8837         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8838         fields.  Update declarations.
8839         (Layout::symtab_xindex): New function.
8840         (Layout::dynsym_xindex): New function.
8841         (class Write_symbols_task): Add layout_ field.
8842         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8843         Change caller.
8844         * output.cc (Output_section_headers::Output_section_headers): Add
8845         shstrtab_section parameter.  Change all callers.
8846         (Output_section_headers::do_sized_write): Store overflow values
8847         for section count and section string table section index in
8848         section header zero.
8849         (Output_file_header::do_sized_write): Check for overflow of
8850         section count and section string table section index.
8851         (Output_symtab_xindex::do_write): New function.
8852         (Output_symtab_xindex::endian_do_write): New function.
8853         * output.h (class Output_section_headers): Add shstrtab_section_.
8854         Update declarations.
8855         (class Output_symtab_xindex): Define.
8856         (Output_section::has_out_shndx): New function.
8857         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8858         field.
8859         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8860         Change all callers.
8861         (Sized_symbol::init): Likewise.
8862         (Symbol::output_section): Check for ordinary symbol.
8863         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8864         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8865         callers.
8866         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8867         Change all callers.  Simplify handling of symbols from sections
8868         not included in the link.
8869         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8870         distinction.
8871         (Weak_alias_sorter::operator()): Assert that symbols are
8872         ordinary.
8873         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8874         distinction.
8875         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8876         parameters.  Change all callers.
8877         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8878         symbol distinction.  Use SHN_XINDEX when needed.
8879         (Symbol_table::write_section_symbol): Add symtab_xindex
8880         parameter.  Change all callers.
8881         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8882         SHN_XINDEX when needed.
8883         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8884         declarations.
8885         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8886         (Symbol::is_defined): Check is_ordinary.
8887         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8888         (Symbol::is_absolute, Symbol::is_common): Likewise.
8889         (class Sized_symbol): Update declarations.
8890         (class Symbol_table): Update declarations.
8891         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8892         parameters.  Change all callers.
8893         (Sized_symbol::override): Likewise.
8894         (Symbol_table::override): Likewise.
8895         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8896         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8897         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8898         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8899         to be in an ordinary section.
8900         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8901         object and is_ordinary parameters.  Change all callers.
8902         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8903         Change all callers.  Don't add undefined or non-ordinary symbols
8904         to reloc_map_.
8905         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8906         Change all callers.
8907         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8908         declarations.
8909         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8910         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8911         (Sized_relobj::relocate_sections): Likewise.
8912         * target-reloc.h (scan_relocs): Adjust section symbol index.
8913         (scan_relocatable_relocs): Likewise.
8914         * i386.cc (Scan::local): Check for ordinary symbols.
8915         * sparc.cc (Scan::local): Likewise.
8916         * x86_64.cc (Scan::local): Likewise.
8917         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8918         to symbol_section_and_value.
8919         * testsuite/many_sections_test.cc: New file.
8920         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8921         (check_PROGRAMS): Add many_sections_test.
8922         (many_sections_test_SOURCES): Define.
8923         (many_sections_test_DEPENDENCIES): Define.
8924         (many_sections_test_LDFLAGS): Define.
8925         (BUILT_SOURCES): Add many_sections_define.h.
8926         (many_sections_define.h): New target.
8927         (BUILT_SOURCES): Add many_sections_check.h.
8928         (many_sections_check.h): New target.
8929         (check_PROGRAMS): Add many_sections_r_test.
8930         (many_sections_r_test_SOURCES): Define.
8931         (many_sections_r_test_DEPENDENCIES): Define.
8932         (many_sections_r_test_LDFLAGS): Define.
8933         (many_sections_r_test_LDADD): Define.
8934         (many_sections_r_test.o): New target.
8935         * testsuite/Makefile.in: Rebuild.
8936
8937 2008-04-17  Cary Coutant  <ccoutant@google.com>
8938
8939         * errors.cc (Errors::info): New function.
8940         (gold_info): New function.
8941         * errors.h (Errors::info): New function.
8942         * gold.h (gold_info): New function.
8943         * object.cc (Input_objects::add_object): Print trace output.
8944         * options.cc (options::parse_set): New function.
8945         (General_options::parse_wrap): Deleted.
8946         (General_options::General_options): Deleted initializer.
8947         * options.h (options::String_set): New typedef.
8948         (options::parse_set): New function.
8949         (DEFINE_set): New macro.
8950         (General_options::wrap): Changed to use DEFINE_set. Changed
8951         callers of any_wrap_symbols and is_wrap_symbol.
8952         (General_options::trace, General_options::trace_symbol):
8953         New options.
8954         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8955         (General_options::wrap_symbols_): Deleted.
8956         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8957
8958 2008-04-17  David S. Miller  <davem@davemloft.net>
8959
8960         * options.cc (General_options::parse_V): New function.
8961         * options.h: Add entries for -V and -Qy.
8962
8963 2008-04-17  Ian Lance Taylor  <iant@google.com>
8964
8965         * common.cc (Symbol_table::allocate_commons): Remove options
8966         parameter.  Change caller.
8967         (Symbol_table::do_allocate_commons): Remove options parameter.
8968         Change caller.  Just call do_allocate_commons_list twice.
8969         (Symbol_table::do_allocate_commons_list): New function, broken out
8970         of do_allocate_commons.
8971         * common.h (class Allocate_commons_task): Remove options_ field.
8972         Update constructor.
8973         * symtab.cc (Symbol_table::Symbol_table): Initialize
8974         tls_commons_.
8975         (Symbol_table::add_from_object): Put TLS common symbols on
8976         tls_commons_ list.
8977         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8978         which are IN_OUTPUT_DATA.
8979         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8980         allocate_commons and do_allocate_commons declarations.  Declare
8981         do_allocate_commons_list.
8982         * gold.cc (queue_middle_tasks): Update creation of
8983         Allocate_commons_task to not pass options.
8984         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8985         (TLS_TEST_C_FLAGS): New variable.
8986         (tls_test_c_pic.o): New target.
8987         (tls_test_shared.so): Link in tls_test_c_pic.o.
8988         (tls_test_c_pic_ie.o): New target.
8989         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8990         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8991         (tls_test_c.o): New target.
8992         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8993         (tls_pic_test_LDADD): Likewise.
8994         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8995         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8996         (tls_test_c_gnu2.o): New target.
8997         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8998         tls_test_c_gnu2.o.
8999         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
9000         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
9001         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
9002         * testsuite/tls_test.cc: Include "config.h".
9003         (t_last): Call t11_last.
9004         * testsuite/tls_test.h (t11, t11_last): Declare.
9005         * testsuite/tls_test_c.c: New file.
9006         * testsuite/tls_test_main.cc (thread_routine): Call t11.
9007         * configure.ac: Check for OpenMP support.
9008         * configure, config.in, Makefile.in: Rebuild.
9009         * testsuite/Makefile.in: Rebuild.
9010
9011 2008-04-16  Cary Coutant  <ccoutant@google.com>
9012
9013         * i386.cc (Target_i386::define_tls_base_symbol): New function.
9014         (Target_i386::tls_base_symbol_defined_): New field.
9015         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9016         (Target_i386::Scan::global): Likewise.
9017         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
9018         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
9019         (Target_x86_64::tls_base_symbol_defined_): New field.
9020         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9021         (Target_x86_64::Scan::global): Likewise.
9022
9023 2008-04-16  Cary Coutant  <ccoutant@google.com>
9024
9025         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
9026         (Symbol::needs_plt_entry): Allow weak undefined symbols.
9027         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
9028         building shared libraries.
9029         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
9030         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
9031         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
9032         * testsuite/Makefile.in: Rebuild.
9033         * testsuite/weak_undef.h: New file.
9034         * testsuite/weak_undef_file1.cc: Add extra test cases.
9035         * testsuite/weak_undef_file2.cc: Likewise.
9036         * testsuite/weak_undef_test.cc: Likewise.
9037
9038 2008-04-16  David S. Miller  <davem@davemloft.net>
9039
9040         * sparc.cc (Target_sparc::Scan): Change from struct to class.
9041         Add issued_non_pic_error_ field.  Declare check_non_pic.
9042         (Target_sparc::Scan::check_non_pic): New function.
9043         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
9044         (Target_sparc::Scan::global): Likewise.
9045
9046         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
9047         * configure: Rebuild.
9048
9049         * options.h (DEFINE_enable): New macro.
9050         (new_dtags): New enable option.
9051         (initfirst, interpose, loadfltr, nodefaultlib,
9052         nodelete, nodlopen, nodump): New -z options.
9053         * layout.cc (Layout:finish_dynamic_section): If new
9054         dtags enabled, emit DT_RUNPATH.  Also, emit a
9055         DT_FLAGS_1 containing any specified -z flags.
9056
9057 2008-04-16  Ian Lance Taylor  <iant@google.com>
9058
9059         * copy-relocs.cc: New file.
9060         * copy-relocs.h: New file.
9061         * reloc.cc: Remove Copy_relocs code.
9062         * reloc.h: Likewise.
9063         * reloc-types.h (struct Reloc_types) [both versions]: Add
9064         get_reloc_addend_noerror.
9065         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
9066         variants of add_global which take an addend which must be zero.
9067         * i386.cc: Include "copy-relocs.h".
9068         (class Target_i386): Change type of copy_relocs_ to variable,
9069         update initializer.
9070         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
9071         Change all callers.
9072         (Target_i386::do_finalize_sections): Change handling of
9073         copy_relocs_.
9074         * sparc.cc: Include "copy-relocs.h".
9075         (class Target_sparc): Change type of copy_relocs_ to variable,
9076         update initializer.
9077         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
9078         Change all callers.
9079         (Target_sparc::do_finalize_sections): Change handling of
9080         copy_relocs_.
9081         * x86_64.cc: Include "copy-relocs.h".
9082         (class Target_x86_64): Change type of copy_relocs_ to variable,
9083         update initializer.
9084         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
9085         class.  Change all callers.
9086         (Target_x86_64::do_finalize_sections): Change handling of
9087         copy_relocs_.
9088         * Makefile.am (CCFILES): Add copy-relocs.cc.
9089         (HFILES): Add copy-relocs.h.
9090
9091         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
9092
9093         * testsuite/script_test_4.sh: Permit leading zeroes.
9094
9095 2008-04-15  Ian Lance Taylor  <iant@google.com>
9096
9097         * script-sections.cc (Script_sections::create_segments): Use
9098         header_size_adjustment even when there is enough room for the
9099         headers.
9100         * testsuite/script_test_4.sh: New file.
9101         * testsuite/script_test_4.t: New file.
9102         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
9103         (check_DATA): Add script_test_4.stdout.
9104         (MOSTLYCLEANFILES): Likewise.
9105         (script_test_4): New target.
9106         (script_test_4.stdout): New target.
9107         * testsuite/Makefile.in: Rebuild.
9108
9109         * sparc.cc: Add definitions for Output_data_plt_sparc class
9110         constants.
9111
9112 2008-04-14  David S. Miller  <davem@davemloft.net>
9113
9114         * sparc.cc: New file.
9115         * Makefile.am (TARGETSOURCES): Add sparc.cc
9116         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
9117         * configure.tgt: Document targ_extra_size and
9118         targ_extra_big_endian.  Add entries for sparc-* and
9119         sparc64-*.
9120         * configure.ac: Handle targ_extra_size and
9121         targ_extra_big_endian.
9122         * Makefile.in: Rebuild.
9123         * configure: Likewise.
9124         * po/POTFILES.in: Likewise.
9125         * po/gold.pot: Likewise.
9126
9127 2008-04-14  Ian Lance Taylor  <iant@google.com>
9128
9129         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
9130         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
9131         in the name/type/flags to section mapping.  Don't call
9132         allocate_output_section.
9133         (Layout::choose_output_section): Change parameter from adjust_name
9134         to is_input_section.  Don't permit input sections after sections
9135         are attached to segments.  Don't call allocate_output_section.
9136         (Layout::layout_eh_frame): Call update_flags_for_input_section,
9137         not write_enable_output_section.
9138         (Layout::make_output_section): Don't push to
9139         unattached_section_list_ nor call attach_to_segment.  Call
9140         attach_section_to_segment if sections are attached.
9141         (Layout::attach_sections_to_segments): New function.
9142         (Layout::attach_section_to_segment): New function.
9143         (Layout::attach_allocated_section_to_segment): Rename from
9144         attach_to_segment.  Remove flags parameter.
9145         (Layout::allocate_output_section): Remove function.
9146         (Layout::write_enable_output_section): Remove function.
9147         * layout.h (class Layout): Update for above changes.  Add new
9148         field sections_are_attached_.
9149         * output.h (Output_section::update_flags_for_input_section): New
9150         function.
9151         * output.cc (Output_section::add_input_section): Call
9152         update_flags_for_input_section.
9153         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
9154
9155 2008-04-11  Cary Coutant  <ccoutant@google.com>
9156
9157         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
9158         thought unnecessary.
9159         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
9160
9161 2008-04-11  Ian Lance Taylor  <iant@google.com>
9162
9163         * output.h (class Output_section_data): Remove inline definition
9164         of set_addralign.
9165         * output.cc (Output_section_data::set_addralign): New function.
9166
9167 2008-04-11  Cary Coutant  <ccoutant@google.com>
9168
9169         Add support for TLS descriptors for i386 and x86_64.
9170         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9171         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9172         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9173         GOT_TYPE_TLS_DESC.
9174         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9175         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9176         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9177         relocations.
9178         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9179         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9180         Fix problem with initial-exec relocations.
9181         (Target_i386::Relocate::relocate_tls): Likewise.
9182         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9183         relaxation.
9184         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9185         support for section-plus-offset dynamic table entries.
9186         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9187         (Output_data_dynamic::Dynamic_entry): Add support for
9188         section-plus-offset dynamic table entries.
9189         (Output_data_dynamic::Classification): Likewise.
9190         (Output_data_dynamic::classification_): Renamed offset_.
9191         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9192         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9193         (Target_x86_64::make_plt_section): New function.
9194         (Target_x86_64::reserve_tlsdesc_entries): New function.
9195         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9196         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9197         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9198         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9199         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9200         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9201         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9202         add extra PLT entry for TLS descriptors.
9203         (Output_data_plt_x86_64::got_): New field.
9204         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9205         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9206         fields.
9207         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9208         descriptors.
9209         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9210         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9211         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9212         R_386_TLS_DESC_CALL relocations.
9213         (Target_x86_64::Scan::global): Likewise.
9214         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9215         for TLS descriptors.
9216         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9217         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9218         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9219         GD-to-IE relaxation.
9220         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9221         and TLS_DESCRIPTORS.
9222         * Makefile.in: Rebuild.
9223         * configure: Rebuild.
9224         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9225         (tls_test_shared2.so): New target.
9226         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9227         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9228         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9229         (tls_shared_gd_to_ie_test_LDADD): New variable.
9230         (tls_shared_gnu2_gd_to_ie_test): New target.
9231         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9232         New targets.
9233         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9234         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9235         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9236         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9237         (tls_shared_gnu2_test): New target.
9238         (tls_test_gnu2_shared.so): New target.
9239         (tls_shared_gnu2_test_SOURCES): New variable.
9240         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9241         (tls_shared_gnu2_test_LDFLAGS): New variable.
9242         (tls_shared_gnu2_test_LDADD): New variable.
9243         * testsuite/Makefile.in: Rebuild.
9244         * testsuite/Makefile.
9245
9246 2008-04-11  Ian Lance Taylor  <iant@google.com>
9247
9248         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9249         justsyms.t.
9250         * testsuite/Makefile.in: Rebuild.
9251
9252         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9253         long.
9254         * testsuite/script_test_2.cc (main): Adjust test.
9255
9256 2008-04-11  David S. Miller  <davem@davemloft.net>
9257             Ian Lance Taylor  <iant@google.com>
9258
9259         * options.h (General_options): Add entries for '-Y' and
9260         '-relax'.
9261         * options.cc (General_options:finalize): If -Y was used, add those
9262         entries to the library path instead of the default "/lib" and
9263         "/usr/lib".
9264
9265 2008-04-11  David S. Miller  <davem@davemloft.net>
9266
9267         * testsuite/justsyms.t: Start at 0x100.
9268         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9269         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9270         long.
9271         * testsuite/script_test_2.cc: Adjust string and section length
9272         checks.
9273
9274 2008-04-09  Ian Lance Taylor  <iant@google.com>
9275
9276         PR gold/5996
9277         * script-sections.cc (Sections_element::allocate_to_segment): Add
9278         orphan parameter.
9279         (Output_section_definition::allocate_to_segment): Likewise.
9280         (Orphan_output_section::allocate_to_segment): Likewise.
9281         (Script_sections::attach_sections_using_phdrs_clause): Don't
9282         propagate non-PT_LOAD segments to orphan sections.
9283         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9284         readelf rather than objdump.
9285         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9286         .interp section and PT_INTERP segment are the same size.
9287         * testsuite/Makefile.in: Rebuild.
9288
9289         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9290         aliases for symbols defined in the same object.
9291         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9292         (weak_alias_test_SOURCES): New variable.
9293         (weak_alias_test_DEPENDENCIES): New variable.
9294         (weak_alias_test_LDFLAGS): New variable.
9295         (weak_alias_test_LDADD): New variable.
9296         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9297         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9298         (weak_alias_test_3.o): New target.
9299         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9300         * testsuite/weak_alias_test_main.cc: New file.
9301         * testsuite/weak_alias_test_1.cc: New file.
9302         * testsuite/weak_alias_test_2.cc: New file.
9303         * testsuite/weak_alias_test_3.cc: New file.
9304
9305 2008-04-08  Ian Lance Taylor  <iant@google.com>
9306
9307         * options.h (class General_options): Add --noinhibit-exec option.
9308         * main.cc (main): Check --noinhibit-exec.
9309
9310         * options.h (class General_options): Define --wrap as a special
9311         option.  Add wrap_symbols_ field.
9312         (General_options::any_wrap_symbols): New function.
9313         (General_options::is_wrap_symbol): New function.
9314         * options.cc (General_options::parse_wrap): New function.
9315         (General_options::General_options): Initialize wrap_symbols_.
9316         * symtab.cc (Symbol_table::wrap_symbol): New function.
9317         (Symbol_table::add_from_object): Handle --wrap.
9318         * symtab.h (class Symbol_table): Declare wrap_symbol.
9319         * target.h (Target::wrap_char): New function.
9320         (Target::Target_info): Add wrap_char field.
9321         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9322         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9323         * testsuite/testfile.cc (Target_test::test_target_info):
9324         Likewise.
9325
9326         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9327         there is one.
9328
9329         * layout.h (class Layout): Add added_eh_frame_data_ field.
9330         * layout.cc (Layout::Layout): Initialize new field.
9331         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9332         output section until we find a section we merged successfully.
9333         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9334         that the size be non-zero.
9335
9336         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9337         qualifier.
9338
9339 2008-04-08  Craig Silverstein  <csilvers@google.com>
9340
9341         * configure.ac: Export new conditional variable HAVE_ZLIB.
9342         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9343         on HAVE_ZLIB.
9344         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9345         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9346
9347 2008-04-07  Ian Lance Taylor  <iant@google.com>
9348
9349         * version.cc (version_string): Set to "1.5".
9350
9351         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9352         Add issued_non_pic_error_ field.  Declare check_non_pic.
9353         (Target_x86_64::Scan::check_non_pic): New function.
9354         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9355         (Target_x86_64::Scan::global): Likewise.
9356
9357         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9358         addend parameter.  Change caller.  Handle merge sections.
9359         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9360         Address to Addend.  Don't add in the result of
9361         local_section_offset, pass down the addend and use the returned
9362         value.
9363         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9364         Update declarations of local_section_offset and symbol_value.
9365         * testsuite/two_file_test_1.cc (t18): New function.
9366         * testsuite/two_file_test_2.cc (f18): New function.
9367         * testsuite/two_file_test_main.cc (main): Call t18.
9368         * testsuite/two_file_test.h (t18, f18): Declare.
9369
9370         * configure.ac: Don't test for objdump, c++filt, or readelf.
9371         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9372         conditionals.
9373         (TEST_READELF): New variable.
9374         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9375         (check_PROGRAMS): Add two_file_strip_test.
9376         (two_file_strip_test): New target.
9377         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9378         (two_file_same_shared_strip_test_SOURCES): New variable.
9379         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9380         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9381         (two_file_same_shared_strip_test_LDADD): New variable.
9382         (two_file_shared_strip.so): New target.
9383         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9384         (ver_test_5.syms, ver_test_7.syms): Likewise.
9385         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9386         (strip_test_3.stdout): Use TEST_OBJDUMP.
9387         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9388
9389 2008-04-04  Cary Coutant  <ccoutant@google.com>
9390
9391         * symtab.h (Symbol::is_weak_undefined): New function.
9392         (Symbol::is_strong_undefined): New function.
9393         (Symbol::is_absolute): New function.
9394         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9395         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9396         absolute symbols.
9397         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9398         (weak_undef_test): New target.
9399         * testsuite/Makefile.in: Rebuild.
9400         * testsuite/weak_undef_file1.cc: New file.
9401         * testsuite/weak_undef_file2.cc: New file.
9402         * testsuite/weak_undef_test.cc: New file.
9403
9404 2008-04-03  Craig Silverstein  <csilvers@google.com>
9405
9406         * compressed_output.h (class Output_compressed_section): Use
9407         unsigned buffer.
9408         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9409         add zlib header.
9410         (zlib_compressed_suffix): Removed.
9411         (Output_compressed_section::set_final_data_size): Use unsigned
9412         buffers.
9413         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9414         Fix linker invocation.
9415         (flagstest_o_specialfile_and_compress_debug_sections):
9416         Likewise.
9417         * testsuite/Makefile.in: Regenerated.
9418
9419 2008-04-02  David S. Miller  <davem@davemloft.net>
9420
9421         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9422         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9423
9424 2008-04-02  Craig Silverstein  <csilvers@google.com>
9425
9426         * TODO: New file.
9427
9428 2008-04-02  Ian Lance Taylor  <iant@google.com>
9429
9430         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9431         parameters.  Update for new key type to views_.  Change all
9432         callers.
9433         (File_read::read): Adjust for byteshift in returned view.
9434         (File_read::add_view): New function, broken out of
9435         find_and_make_view.
9436         (File_read::make_view): New function, broken out of
9437         find_and_make_view.
9438         (File_read::find_or_make_view): Add offset and aligned
9439         parameters.  Rewrite accordingly.  Change all callers.
9440         (File_read::get_view): Add offset and aligned parameters.  Adjust
9441         for byteshift in return value.
9442         (File_read::get_lasting_view): Likewise.
9443         * fileread.h (class File_read): Update declarations.
9444         (class File_read::View): Add byteshift_ field.  Add byteshift to
9445         constructor.  Add byteshift method.
9446         * archive.h (Archive::clear_uncached_views): New function.
9447         (Archive::get_view): Add aligned parameter.  Change all callers.
9448         * object.h (Object::get_view): Add aligned parameter.  Change all
9449         callers.
9450         (Object::get_lasting_view): Likewise.
9451
9452         * fileread.cc (File_read::release): Don't call clear_views if
9453         there are multiple objects.
9454         * fileread.h (File_read::clear_uncached_views): New function.
9455         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9456         on the archive.
9457
9458 2008-03-31  Cary Coutant  <ccoutant@google.com>
9459
9460         Add thin archive support.
9461         * archive.cc (Archive::armagt): New const.
9462         (Archive::setup): Remove task parameter and calls to unlock.
9463         (Archive::unlock_nested_archives): New function.
9464         (Archive::read_header): Add nested_off parameter. Change
9465         all callers.
9466         (Archive::interpret_header): Likewise.
9467         (Archive::include_all_members): Change to handle thin
9468         archives.
9469         (Archive::include_member): Likewise.
9470         * archive.h (Archive::Archive): Add new parameters and
9471         initializers.
9472         (Archive::armagt): New const.
9473         (Archive::setup): Remove task parameter.
9474         (Archive::unlock_nested_archives): New function.
9475         (Archive::read_header): Add nested_off parameter.
9476         (Archive::interpret_header): Likewise.
9477         (Archive::Nested_archive_table): New typedef.
9478         (Archive::is_thin_archive_): New field.
9479         (Archive::nested_archives_): New field.
9480         (Archive::options_): New field.
9481         (Archive::dirpath_): New field.
9482         (Archive::task_): New field.
9483         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9484         for thin archives.  Pass additional parameters to
9485         Archive::Archive.  Unlock the archive file after calling
9486         Archive::setup.
9487
9488 2008-03-29  Ian Lance Taylor  <iant@google.com>
9489
9490         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9491         version symbol to be local.
9492         * testsuite/ver_test_4.sh: New file.
9493         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9494         (check_DATA): Add ver_test_4.syms.
9495         (ver_test_4.syms): New target.
9496         * testsuite/Makefile.in: Rebuild.
9497
9498         * output.cc
9499         (Output_section::Input_section_sort_entry::has_priority): New
9500         function.
9501         (Output_section::Input_section_sort_entry::match_file_name): New
9502         function.
9503         (Output_section::Input_section_sort_entry::match_section_name):
9504         Remove.
9505         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9506         Remove.
9507         (Output_section::Input_section_sort_entry::match_section_file):
9508         Remove.
9509         (Output_section::Input_section_sort_compare::operator()): Rewrite
9510         using new Input_section_sort_entry functions.  Sort crtbegin and
9511         crtend first.  Sort sections with no priority before sections with
9512         a priority.
9513         * testsuite/initpri1.c (d3): Check j != 4.
9514         (cd5): New constructor/destructor function.
9515         (main): Check j != 2.
9516
9517         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9518         new symbol when resolving, don't call set_is_default.
9519         * testsuite/ver_test_7.cc: New file.
9520         * testsuite/ver_test_7.sh: New file.
9521         * testsuite/Makefile.am (ver_test_7.so): New target.
9522         (ver_test_7.o): New target.
9523         (check_SCRIPTS): Add ver_test_7.sh.
9524         (check_DATA): Add ver_test_7.syms.
9525         (ver_test_7.syms): New target.
9526
9527 2008-03-28  Ian Lance Taylor  <iant@google.com>
9528
9529         * layout.cc (Layout::layout): If we see an input section with a
9530         name that needs sorting, set the must_sort flag for the output
9531         section.
9532         (Layout::make_output_section): If the name of the output section
9533         indicates that it might require sorting, set the may_sort flag.
9534         * output.h (Output_section::may_sort_attached_input_sections): New
9535         function.
9536         (Output_section::set_may_sort_attached_input_sections): New
9537         function.
9538         (Output_section::must_sort_attached_input_sections): New
9539         function.
9540         (Output_section::set_must_sort_attached_input_sections): New
9541         function.
9542         (class Output_section): Declare Input_section_sort_entry.  Define
9543         Input_section_sort_compare.  Declare
9544         sort_attached_input_sections.  Add new fields:
9545         may_sort_attached_input_sections_,
9546         must_sort_attached_input_sections_,
9547         attached_input_sections_are_sorted_.
9548         * output.cc (Output_section::Output_section): Initialize new
9549         fields.
9550         (Output_section::add_input_section): Add an entry to
9551         input_sections_ if may_sort or must_sort are true.
9552         (Output_section::set_final_data_size): Call
9553         sort_attached_input_sections if necessary.
9554         (Output_section::Input_section_sort_entry): Define new class.
9555         (Output_section::Input_section_sort_compare::operator()): New
9556         function.
9557         (Output_section::sort_attached_input_sections): New function.
9558         * configure.ac: Check whether the compiler supports constructor
9559         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9560         * testsuite/initpri1.c: New file.
9561         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9562         CONSTRUCTOR_PRIORITY.
9563         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9564         (initpri1_LDFLAGS): New variable.
9565         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9566
9567 2008-03-27  Ian Lance Taylor  <iant@google.com>
9568
9569         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9570         * testsuite/common_test_1.c: New file.
9571         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9572         (common_test_1_SOURCES): New variable.
9573         (common_test_1_DEPENDENCIES): New variable.
9574         (common_test_1_LDFLAGS): New variable.
9575
9576         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9577         and commons_ correctly when NAME/VERSION does not override
9578         NAME/NULL.
9579         * testsuite/ver_test_6.c: New file.
9580         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9581         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9582         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9583
9584 2008-03-26  Ian Lance Taylor  <iant@google.com>
9585
9586         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9587         of an undefined symbol from a version script.
9588         * testsuite/Makefile.am (ver_test_5.so): New target.
9589         (ver_test_5.o): New target.
9590         (check_SCRIPTS): Add ver_test_5.sh.
9591         (check_DATA): Add ver_test_5.syms.
9592         (ver_test_5.syms): New target.
9593         * testsuite/ver_test_5.cc: New file.
9594         * testsuite/ver_test_5.script: New file.
9595         * testsuite/ver_test_5.sh: New file.
9596         * Makefile.in, testsuite/Makefile.in: Rebuild.
9597
9598         PR gold/5986
9599         Fix problems building gold with gcc 4.3.0.
9600         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9601         (gold_error_at_location, gold_warning_at_location): Use it.
9602         * configure.ac: Check whether we can compile and use a template
9603         function with a printf attribute.
9604         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9605         when jumping over bytes.
9606         * object.cc: Instantiate Object::read_section_data.
9607         * debug.h: Include <cstring>
9608         * dwarf_reader.cc: Include <algorithm>
9609         * main.cc: Include <cstring>.
9610         * options.cc: Include <cstring>.
9611         * output.cc: Include <cstring>.
9612         * script.cc: Include <cstring>.
9613         * script.h: Include <string>.
9614         * symtab.cc: Include <cstring> and <algorithm>.
9615         * target-select.cc: Include <cstring>.
9616         * version.cc: Include <string>.
9617         * testsuite/testmain.cc: Include <cstdlib>.
9618         * configure, config.in: Rebuild.
9619
9620 2008-03-25  Ian Lance Taylor  <iant@google.com>
9621
9622         * options.cc: Include "../bfd/bfdver.h".
9623         (options::help): Print bug reporting address.
9624
9625         * version.cc (print_version): Adjust output for current value of
9626         BFD_VERSION_STRING.
9627
9628         * NEWS: New file.
9629
9630         * options.cc (options::help): Print list of supported targets.
9631         * target-select.h: Include <vector>.
9632         (class Target_selector): Make machine_, size_, and is_big_endian_
9633         fields const.  Add bfd_name_ and instantiated_target_ fields.
9634         (Target_selector::Target_selector): Add bfd_name parameter.
9635         (Target_selector::recognize): Make non-virtual, call
9636         do_recognize.
9637         (Target_selector::recognize_by_name): Make non-virtual, call
9638         do_recognize_by_name.
9639         (Target_selector::supported_names): New function.
9640         (Target_selector::bfd_name): New function.
9641         (Target_selector::do_instantiate_target): New pure virtual
9642         function.
9643         (Target_selector::do_recognize): New virtual function.
9644         (Target_selector::do_recognize_by_name): New virtual function.
9645         (Target_selector::instantiate_target): New private function.
9646         (supported_target_names): Declare.
9647         * target-select.cc (Target_selector::Target_selector): Update for
9648         new parameter and fields.
9649         (select_target_by_name): Check that the name matches before
9650         calling recognize_by_name.
9651         (supported_target_names): New function.
9652         * i386.cc (class Target_selector_i386): Update Target_selector
9653         constructor call.  Remove recognize and recognize_by_name.  Add
9654         do_instantiate_target.
9655         * x86_64.cc (class Target_selector_x86_64): Likewise.
9656         * testsuite/testfile.cc (class Target_selector_test): Update for
9657         changes to Target_selector.
9658
9659         * README: Rewrite, with some notes on unsupported features.
9660
9661 2008-03-24  Cary Coutant  <ccoutant@google.com>
9662
9663         * i386.cc (Target_i386::Got_type): New enum declaration.
9664         (Target_i386::Scan::local): Updated callers of Output_data_got
9665         member functions.
9666         (Target_i386::Scan::global): Likewise.
9667         (Target_i386::Relocate::relocate): Likewise.
9668         (Target_i386::Relocate::relocate_tls): Likewise.
9669         * object.h (Got_offset_list): New class.
9670         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9671         (Sized_relobj::local_got_offset): Likewise.
9672         (Sized_relobj::set_local_got_offset): Likewise.
9673         (Sized_relobj::local_has_tls_got_offset): Removed.
9674         (Sized_relobj::local_tls_got_offset): Removed.
9675         (Sized_relobj::set_local_tls_got_offset): Removed.
9676         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9677         * output.cc (Output_data_got::add_global): Added got_type parameter.
9678         (Output_data_got::add_global_with_rel): Likewise.
9679         (Output_data_got::add_global_with_rela): Likewise.
9680         (Output_data_got::add_global_pair_with_rel): New function.
9681         (Output_data_got::add_global_pair_with_rela): New function.
9682         (Output_data_got::add_local): Added got_type parameter.
9683         (Output_data_got::add_local_with_rel): Likewise.
9684         (Output_data_got::add_local_with_rela): Likewise.
9685         (Output_data_got::add_local_pair_with_rel): New function.
9686         (Output_data_got::add_local_pair_with_rela): New function.
9687         (Output_data_got::add_global_tls): Removed.
9688         (Output_data_got::add_global_tls_with_rel): Removed.
9689         (Output_data_got::add_global_tls_with_rela): Removed.
9690         (Output_data_got::add_local_tls): Removed.
9691         (Output_data_got::add_local_tls_with_rel): Removed.
9692         (Output_data_got::add_local_tls_with_rela): Removed.
9693         * output.h (Output_data_got::add_global): Added got_type parameter.
9694         (Output_data_got::add_global_with_rel): Likewise.
9695         (Output_data_got::add_global_with_rela): Likewise.
9696         (Output_data_got::add_global_pair_with_rel): New function.
9697         (Output_data_got::add_global_pair_with_rela): New function.
9698         (Output_data_got::add_local): Added got_type parameter.
9699         (Output_data_got::add_local_with_rel): Likewise.
9700         (Output_data_got::add_local_with_rela): Likewise.
9701         (Output_data_got::add_local_pair_with_rel): New function.
9702         (Output_data_got::add_local_pair_with_rela): New function.
9703         (Output_data_got::add_global_tls): Removed.
9704         (Output_data_got::add_global_tls_with_rel): Removed.
9705         (Output_data_got::add_global_tls_with_rela): Removed.
9706         (Output_data_got::add_local_tls): Removed.
9707         (Output_data_got::add_local_tls_with_rel): Removed.
9708         (Output_data_got::add_local_tls_with_rela): Removed.
9709         * resolve.cc (Symbol::override_base_with_special): Removed
9710         reference to has_got_offset_ field.
9711         * symtab.cc (Symbol::init_fields): Replaced initialization
9712         of got_offset_ with got_offsets_.  Removed initialization
9713         of has_got_offset_
9714         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9715         (Symbol::got_offset): Likewise.
9716         (Symbol::set_got_offset): Likewise.
9717         (Symbol::has_tls_got_offset): Removed.
9718         (Symbol::tls_got_offset): Removed.
9719         (Symbol::set_tls_got_offset): Removed.
9720         (Symbol::got_offset_): Removed.
9721         (Symbol::tls_mod_got_offset_): Removed.
9722         (Symbol::tls_pair_got_offset_): Removed.
9723         (Symbol::got_offsets_): New field.
9724         (Symbol::has_got_offset): Removed.
9725         (Symbol::has_tls_mod_got_offset): Removed.
9726         (Symbol::has_tls_pair_got_offset): Removed.
9727         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9728         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9729         member functions.
9730         (Target_x86_64::Scan::global): Likewise.
9731         (Target_x86_64::Relocate::relocate): Likewise.
9732         (Target_x86_64::Relocate::relocate_tls): Likewise.
9733
9734 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9735
9736         * yyscript.y: Fix spelling error in comment.
9737
9738 2008-03-24  Ian Lance Taylor  <iant@google.com>
9739
9740         * options.h (class General_options): Define build_id option.
9741         * layout.h (class Layout): Declare write_build_id, create_note,
9742         create_build_id.  Add build_id_note_ member.
9743         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9744         "libiberty.h", "md5.h", "sha1.h".
9745         (Layout::Layout): Initialize eh_frame_data_,
9746         eh_frame_hdr_section_, and build_id_note_.
9747         (Layout::finalize): Call create_build_id.
9748         (Layout::create_note): New function, broken out of
9749         Layout::create_gold_note.
9750         (Layout::create_gold_note): Call create_note.
9751         (Layout::create_build_id): New function.
9752         (Layout::write_build_id): New function.
9753         (Close_task_runner::run): Call write_build_id.
9754
9755         * x86_64.cc: Correct license to GPLv3.
9756
9757 2008-03-23  Ian Lance Taylor  <iant@google.com>
9758
9759         * options.cc: Include "demangle.h".
9760         (parse_optional_string): New function.
9761         (parse_long_option): Handle takes_optional_argument.
9762         (parse_short_option): Update dash_z initializer.  Handle
9763         takes_optional_argument.
9764         (General_options::General_options): Initialize do_demangle_.
9765         (General_options::finalize): Set do_demangle_.  Handle demangling
9766         style.
9767         * options.h (parse_optional_string): Declare.
9768         (struct One_option): Add optional_arg field.  Update constructor.
9769         Update call constructor calls.  Add takes_optional_argument
9770         function.
9771         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9772         (DEFINE_optional_string): Define.
9773         (General_options::demangle): Change from DEFINE_bool to
9774         DEFINE_optional_string.
9775         (General_options::no_demangle): New function.
9776         (General_options::do_demangle): New function.
9777         (General_options::set_do_demangle): New function.
9778         (General_options::execstack_status_): Move definition to end of
9779         class definition.
9780         (General_options::static_): Likewise.
9781         (General_options::do_demangle_): New field.
9782         * object.cc (big_endian>::get_symbol_location_info): Call
9783         Options::do_demangle, not Options::demangle.
9784         * symtab.cc (demangle): Likewise.
9785
9786 2008-03-22  Ian Lance Taylor  <iant@google.com>
9787
9788         * gold.h: Include <cstddef> and <sys/types.h>
9789         * options.h: Include <cstring>.
9790
9791 2008-03-21  Ian Lance Taylor  <iant@google.com>
9792
9793         * Added source code to GNU binutils.