* archive.cc (Archive::interpret_header): Return -1 if something
[external/binutils.git] / gold / ChangeLog
1 2011-03-27  Ian Lance Taylor  <iant@google.com>
2
3         * archive.cc (Archive::interpret_header): Return -1 if something
4         goes wrong.  Change callers accordingly.
5
6 2011-03-25  Cary Coutant  <ccoutant@google.com>
7
8         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
9         * testsuite/Makefile.in: Regenerate.
10
11 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
12
13         * plugin.cc (get_view): New.
14         (Plugin::load): Pass get_view to the plugin.
15         (Plugin_manager::get_view): New.
16
17 2011-03-21  Ian Lance Taylor  <iant@google.com>
18
19         * testsuite/final_layout.sh: Rewrite to not use dc.
20         * testsuite/relro_test.sh: Fail if dc is not present.
21
22 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
23
24         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
25         Change == to -eq.
26         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
27         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
28         Change == to -eq.
29         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
30         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
31
32 2011-03-14  Ian Lance Taylor  <iant@google.com>
33
34         * script-sections.cc (Sort_output_sections::script_compare):
35         Rename from is_before, change return type.
36         (Sort_output_sections::operator()): Adjust accordingly.
37
38 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
39
40         PR gold/12572
41         * testsuite/odr_violation2.cc: Add comment to make all error line
42         numbers double digits.
43         * testsuite/debug_msg.sh: Adjust expected errors.
44
45 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
46
47         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
48         but mark earlier ones as non-canonical
49         (offset_to_iterator): Update search target and example
50         (do_addr2line): Return extra lines in a vector*
51         (format_file_lineno): Extract from do_addr2line
52         (one_addr2line): Add vector* out-param
53         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
54         when a lineno entry appeared last for its instruction
55         (Dwarf_line_info): Add vector* out-param
56         * object.cc (Relocate_info): Pass NULL for the vector* out-param
57         * symtab.cc (Odr_violation_compare): Include the lineno in the
58         comparison again.
59         (linenos_from_loc): New. Combine the canonical line for an
60         address with its other lines.
61         (True_if_intersect): New. Helper functor to make
62         std::set_intersection a query.
63         (detect_odr_violations): Compare sets of lines instead of just
64         one line for each function. This became less deterministic, but
65         has fewer false positives.
66         * symtab.h: Declarations.
67         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
68         mix an optimized and non-optimized object in the same binary
69         (odr_violation2.so): Same.
70         * testsuite/Makefile.in: Regenerate from Makefile.am.
71         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
72         * testsuite/debug_msg.sh: Update line numbers and add
73         assertions.
74         * testsuite/odr_violation1.cc: Use OdrDerived, in a
75         non-optimized context.
76         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
77         isn't inlined, and use OdrDerived in an optimized context.
78         * testsuite/odr_header1.h: Defines OdrDerived, where
79         optimization will change the
80         first-instruction-in-the-destructor's file and line number.
81         * testsuite/odr_header2.h: Defines OdrBase.
82
83 2011-03-09  Ian Lance Taylor  <iant@google.com>
84
85         * fileread.cc (File_read::clear_views): Don't delete the whole
86         file view.
87
88 2011-03-08  Ian Lance Taylor  <iant@google.com>
89
90         PR gold/12525
91         * fileread.cc: #include <climits>.
92         (GOLD_IOV_MAX): Define.
93         (File_read::read_multiple): Limit number of entries by iov_max.
94         * fileread.h (class File_read): Always set max_readv_entries to
95         128.
96
97 2011-03-07  Ian Lance Taylor  <iant@google.com>
98
99         PR gold/12525
100         * options.h (class General_options): Add -dy and -dn.
101
102 2011-03-02  Cary Coutant  <ccoutant@google.com>
103
104         * testsuite/script_test_9.t: Add TLS segment.
105
106 2011-03-02  Simon Baldwin  <simonb@google.com>
107
108         * configure.ac: Add check for gnu_indirect_function support in
109         the toolchain building binutils.
110         * configure: Rebuild.
111
112 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
113
114         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
115         plugin only symbols.
116         (Symbol_table::sized_finalize_symbol) Mark symbol only present
117         in plugin files as not needed in the symbol table.
118
119 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
120
121         * output.cc (Output_section::add_input_section): Delay fill
122         generation for section ordering.
123
124 2011-02-09  Ian Lance Taylor  <iant@google.com>
125
126         PR gold/12316
127         * object.h (class Sized_relobj): Remove clear_local_symbols.
128         * reloc.cc (Sized_relobj::do_relocate): Don't call
129         clear_local_symbols.
130
131 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
132
133         * plugin.cc (is_visible_from_outside): Return true for symbols
134         in the -u option.
135
136 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
137
138         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
139         filename.
140
141 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
142
143         * icf.h (is_section_foldable_candidate): Change type of parameter
144         to std::string.
145         * icf.cc (Icf::find_identical_sections): Change type of local variable
146         section_name to be std::string.
147         (is_function_ctor_or_dtor): Change type of parameter to std::string.
148
149 2011-01-25  Ian Lance Taylor  <iant@google.com>
150
151         * script.cc (script_add_extern): Rewrite to use
152         add_symbol_reference.
153
154 2011-01-25  Doug Kwan  <dougkwan@google.com>
155
156         * icf.cc (get_section_contents): Always lock section's object.
157
158 2011-01-24  Ian Lance Taylor  <iant@google.com>
159
160         * options.h (class General_options): Accept
161         --no-detect-odr-violations.
162
163 2011-01-24  Ian Lance Taylor  <iant@google.com>
164
165         * version.cc (version_string): Bump to 1.11.
166
167 2011-01-24  Ian Lance Taylor  <iant@google.com>
168
169         * plugin.cc (class Plugin_rescan): Define new class.
170         (Plugin_manager::claim_file): Set any_claimed_.
171         (Plugin_manager::save_archive): New function.
172         (Plugin_manager::save_input_group): New function.
173         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
174         necessary.
175         (Plugin_manager::new_undefined_symbol): New function.
176         (Plugin_manager::rescan): New function.
177         (Plugin_manager::rescannable_defines): New function.
178         (Plugin_manager::add_input_file): Set any_added_.
179         * plugin.h (class Plugin_manager): define new fields rescannable_,
180         undefined_symbols_, any_claimed_, and any_added_.  Declare
181         Plugin_rescan as friend.  Declare new functions.
182         (Plugin_manager::Rescannable): Define type.
183         (Plugin_manager::Rescannable_list): Define type.
184         (Plugin_manager::Undefined_symbol_list): Define type.
185         (Plugin_manager::Plugin_manager): Initialize new fields.
186         * archive.cc (Archive::defines_symbol): New function.
187         (Add_archive_symbols::run): Pass archive to plugins if any.
188         * archive.h (class Archive): Declare defines_symbol.
189         * readsyms.cc (Input_group::~Input_group): New function.
190         (Finish_group::run): Pass input_group to plugins if any.
191         * readsyms.h (class Input_group): Declare destructor.
192         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
193         any.
194
195 2011-01-10  Ian Lance Taylor  <iant@google.com>
196
197         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
198         section as relro.
199         (Layout::set_segment_offsets): Reset increase_relro before calling
200         set_section_addresses a second time.
201
202 2011-01-04  Cary Coutant  <ccoutant@google.com>
203
204         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
205         sections before NOBITS sections.
206
207 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
208
209         * version.cc (print_version): Update copyright to 2011.
210
211 2010-12-23  Cary Coutant  <ccoutant@google.com>
212
213         * output.h (Output_data_reloc::add_output_section): Pass OD instead
214         of OS to this->add.  Add OD parameter to second form of the function.
215
216 2010-12-20  Ian Lance Taylor  <iant@google.com>
217
218         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
219         second of two consecutive entries with same offset.
220
221 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
222
223         * testsuite/Makefile.am (ifuncmain2static_LDADD)
224         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
225         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
226         to avoid unneeded links against $(LDADD).
227         * testsuite/Makefile.in: Regenerate.
228
229 2010-12-15  Ian Lance Taylor  <iant@google.com>
230
231         PR gold/12324
232         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
233         for R_X86_64_32 and R_X86_64_PC32.
234         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
235         ver_matching_def_pic.o.
236         (ver_matching_def_pic.o): New target.
237
238 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
239
240         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
241         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
242         Move definition before File_read::View member definitions.
243         (File_read::View::~View): Initialize and hold lock before
244         updating current_mapped_bytes.
245
246 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
247
248         * dwarf_reader.cc: Remove outdated comment.
249         * gold-threads.cc: Fix typo in error message.
250         * archive.cc: Fix typos in comments.
251         * archive.h: Likewise.
252         * arm-reloc-property.cc: Likewise.
253         * arm-reloc-property.h: Likewise.
254         * arm-reloc.def: Likewise.
255         * arm.cc: Likewise.
256         * attributes.h: Likewise.
257         * cref.cc: Likewise.
258         * ehframe.cc: Likewise.
259         * fileread.h: Likewise.
260         * gold.h: Likewise.
261         * i386.cc: Likewise.
262         * icf.cc: Likewise.
263         * incremental.h: Likewise.
264         * int_encoding.cc: Likewise.
265         * layout.h: Likewise.
266         * main.cc: Likewise.
267         * merge.h: Likewise.
268         * object.cc: Likewise.
269         * object.h: Likewise.
270         * options.cc: Likewise.
271         * readsyms.cc: Likewise.
272         * reduced_debug_output.cc: Likewise.
273         * reloc.cc: Likewise.
274         * script-sections.cc: Likewise.
275         * sparc.cc: Likewise.
276         * symtab.h: Likewise.
277         * target-reloc.h: Likewise.
278         * target.cc: Likewise.
279         * target.h: Likewise.
280         * timer.cc: Likewise.
281         * timer.h: Likewise.
282         * x86_64.cc: Likewise.
283
284 2010-12-09  Cary Coutant  <ccoutant@google.com>
285
286         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
287         stack.
288         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
289         parameter; change all callers.
290         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
291         * options.h (warn_execstack): New option.
292
293 2010-12-07  Doug Kwan  <dougkwan@google.com>
294
295         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
296         like function call relocations.
297
298 2010-12-07  Ian Lance Taylor  <iant@google.com>
299
300         * archive.cc (Archive::get_elf_object_for_member): Permit
301         punconfigured to be NULL.
302         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
303         (Archive::include_member): Pass NULL to get_elf_object_for_member
304         if we searched for the archive and this is the first included
305         object.
306
307 2010-12-01  Ian Lance Taylor  <iant@google.com>
308
309         * dwarf_reader.h (class Sized_dwarf_line_info): Add
310         track_relocs_type_ field.
311         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
312         Set track_relocs_type_.
313         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
314         contents when using RELA relocs.
315         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
316         reloc_map_.
317         * reloc.cc (Track_relocs::next_addend): New function.
318         * reloc.h (class Track_relocs): Declare next_addend.
319
320 2010-12-01  Ian Lance Taylor  <iant@google.com>
321
322         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
323         virtual destructor.
324
325 2010-12-01  Ian Lance Taylor  <iant@google.com>
326
327         * README: Update compilers known to work and fail.
328
329 2010-11-23  Matthias Klose  <doko@ubuntu.com>
330
331         * configure.in: For --enable-gold, handle value `default' instead of
332         `both*'.  Always install ld as ld.bfd, install as ld if gold is
333         not the default.
334         * configure: Regenerate.
335
336 2010-11-18  Doug Kwan  <dougkwan@google.com>
337
338         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
339         and right_alignment to be zero.  Store result alignment only if it is
340         greater than existing alignment.
341
342 2010-11-16  Cary Coutant  <ccoutant@google.com>
343
344         PR gold/12220
345         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
346         Check for ".zdebug_line".
347
348 2010-11-16  Doug Kwan  <dougkwan@google.com>
349             Cary Coutant  <ccoutant@google.com>
350
351         * output.h (Output_segment::set_section_addresses): Pass increase_relro
352         by reference; adjust all callers.
353         * output.cc (Output_segment::set_section_addresses): Adjust references
354         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
355         list is empty.
356         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
357         end at page boundary.
358
359 2010-11-16  Cary Coutant  <ccoutant@google.com>
360
361         PR gold/12220
362         * layout.cc (Layout::choose_output_section): Transform names of
363         compressed sections even when using a script with a SECTIONS clause.
364         (Layout::output_section_name): Remove code to transform
365         compressed debug section names.
366         * output.cc (Output_section::add_input_section): Use uncompressed
367         section size when tracking input sections.
368
369 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
370
371         * symtab.h (Symbol::NON_PIC_REF): Remove.
372         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
373         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
374         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
375         (Symbol::use_plt_offset): Take a flags argument and pass it
376         directly to needs_dynamic_reloc.  Restrict check for undefined
377         weak symbols to function calls.
378         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
379         (Target_arm::Scan::global): Use it.
380         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
381         (Target_arm::Relocate::relocate): Likewise.
382         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
383         parameter with an r_type parameter.  Use get_reference_flags
384         to get the flags.
385         (Target_arm::Relocate::relocate): Update accordingly.
386         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
387         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
388         (Target_i386::Scan::global): Likewise.
389         (Target_i386::Relocate::relocate): Likewise.
390         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
391         parameter with an r_type parameter.  Use get_reference_flags
392         to get the flags.
393         (Target_i386::Relocate::relocate): Update accordingly.
394         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
395         (Target_powerpc::Scan::global): Use it.
396         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
397         (Target_powerpc::Relocate::relocate): Likewise.
398         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
399         (Target_sparc::Scan::global): Use it.
400         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
401         (Target_sparc::Relocate::relocate): Likewise.
402         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
403         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
404         (Target_x86_64::Scan::global): Likewise.
405         (Target_x86_64::Relocate::relocate): Likewise.
406
407 2010-11-08  Doug Kwan  <dougkwan@google.com>
408             Cary Coutant  <ccoutant@google.com>
409
410         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
411         (Arm_exidx_merge_section::section_contents_): New data member.
412         (Arm_input_section::Arm_input_section): Initialize original_contents_.
413         (Arm_input_section::~Arm_input_section): De-allocate memory.
414         (Arm_input_section::original_contents_): New data member.       
415         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
416         in parameters instead of calling Object::section_contents without
417         locking.
418         (Arm_output_section::group_section): New parameter TASK.  Pass it
419         to callees that need locking objects.
420         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
421         to lock EXIDX input sections.  Fix a formatting issue.  Call
422         Arm_exidx_merged_section::build_contents to create merged section
423         contents.
424         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
425         to lock object of stub table owner.
426         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
427         TEXT_SIZE to initialize data member TEXT_SIZE_.
428         (Arm_exidx_input_section::addralign): Fix typo in comment.
429         (Arm_exidx_input_section::text_size): New method.
430         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
431         that require locking objects.  Lock objects before scanning for stubs
432         and updating local symbols.
433         (Arm_input_section<big_endian>::init): Copy contents of original
434         input section.
435         (Arm_input_section<big_endian>::do_write): Use saved contents of
436         original input section instead of calling Object::section_contents
437         without locking.
438         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
439         size without calling Object::section_size().
440         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
441         for size.  Allocate a buffer for merged EXIDX entries.
442         (Arm_exidx_merged_section::build_contents): New method.
443         (Arm_exidx_merged_section::do_write): Move merge section contents
444         building code to Arm_exidx_merged_section::build_contetns.  Write
445         out contetns in buffer instead of building it on the fly.
446         (Arm_relobj::make_exidx_input_section): Also pass text section size
447         to Arm_exidx_input_section constructor.
448         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
449         (Arm_dynobj::do_read_symbols): Fix memory leak.
450         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
451         * target.h: (class Task): Add forward declaration.
452         (Target::relax): Add new parameter TASK and pass it to
453         Target::do_relax().
454         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
455
456 2010-11-05  Cary Coutant  <ccoutant@google.com>
457
458         PR gold/10708
459         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
460         object when reading from the file.
461         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
462         second layout pass.
463         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
464         when reading section contents.
465         (get_section_contents): Likewise.
466         (icf::find_identical_sections): Likewise.
467         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
468         object when reading from the file.
469         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
470         the object when doing deferred section layout.
471
472 2010-11-03  Nick Clifton  <nickc@redhat.com>
473
474         PR gold/12001
475         * script.h (class Symbol_assignment: name): New member.  Returns
476         the name of the symbol.
477         * scrfipt.cc (Script_options::is_pending_assignment): New member.
478         Returns true if the given symbol name is on the list of
479         assignments wating to be processed.
480         * archive.cc (should_incldue_member): If the symbol is undefined,
481         check to see if it is on the list of symbols pending assignment.
482
483 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
484
485         * script-sections.cc (Script_sections::find_memory_region): Check
486         for a NULL output section pointer.
487
488 2010-10-29  Doug Kwan  <dougkwan@google.com>
489
490         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
491         Output_section::add_relaxed_input_section.
492         * output.cc (Output_section::add_relaxed_input_section): Add new
493         arguments LAYOUT and NAME.  Set section order index.
494         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
495         Copy section order index.
496         * output.h (Output_section::add_relaxed_input_section): Add new
497         arguments LAYOUT and NAME.
498
499 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
500
501         * testsuite/Makefile.am: Move gcctestdir/ld rule to
502         NATIVE_OR_CROSS_LINKER.
503         * testsuite/Makefile.in: Regenerate.
504
505 2010-10-20  Doug Kwan  <dougkwan@google.com>
506
507         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
508         without SHF_LINK_ORDER flags.
509         * layout.cc (Layout::choose_output_section): Do not filter
510         SHF_LINK_ORDER flag in a relocatable link.
511
512 2010-10-17  Cary Coutant  <ccoutant@google.com>
513
514         * output.h (Output_segment::set_section_addresses): Change function
515         signature.  Update all callers.
516         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
517         sections.
518         (Output_segment::set_section_addresses): Align after last TLS
519         section.  Add padding before last relro section instead of after.
520
521 2010-10-17  Doug Kwan  <dougkwan@google.com>
522
523         * gold/arm.cc (Target_arm::got_section): Use correct order and set
524         GOT output section to be writable.
525
526 2010-10-14  Cary Coutant  <ccoutant@google.com>
527
528         * debug.h (DEBUG_INCREMENTAL): New flag.
529         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
530         * gold.cc (queue_initial_tasks): Check parameters for incremental link
531         mode.
532         * incremental.cc (report_command_line): Ignore all forms of
533         --incremental.
534         * layout.cc (Layout::Layout): Check parameters for incremental link
535         mode.
536         * options.cc (General_options::parse_incremental): New function.
537         (General_options::parse_no_incremental): New function.
538         (General_options::parse_incremental_full): New function.
539         (General_options::parse_incremental_update): New function.
540         (General_options::incremental_mode_): New data member.
541         (General_options::finalize): Check incremental_mode_.
542         * options.h (General_options): Update help text for --incremental.
543         Add --no-incremental, --incremental-full, --incremental-update.
544         (General_options::Incremental_mode): New enum type.
545         (General_options::incremental_mode): New function.
546         (General_options::incremental_mode_): New data member.
547         * parameters.cc (Parameters::incremental_mode_): New data member.
548         (Parameters::set_options): Set incremental_mode_.
549         (Parameters::set_incremental_full): New function.
550         (Parameters::incremental): New function.
551         (Parameters::incremental_update): New function.
552         (set_parameters_incremental_full): New function.
553         * parameters.h (Parameters::set_incremental_full): New function.
554         (Parameters::incremental): New function.
555         (Parameters::incremental_update): New function.
556         (Parameters::incremental_mode_): New data member.
557         (set_parameters_incremental_full): New function.
558         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
559         incremental link mode.
560         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
561         (Sized_relobj::do_relocate_sections): Likewise.
562         * testsuite/Makefile.am (incremental_test): Use --incremental-full
563         option.
564         * testsuite/Makefile.in: Regenerate.
565         * testsuite/incremental_test.sh: Filter all forms of --incremental.
566
567 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
568
569         * script-sections.h (class Script_sections): Make
570         Sections_elements typedef public.
571         * script-sections.cc (class Sort_output_sections): Add elements_
572         field.  Add constructor which sets it; change all callers.
573         (Sort_output_sections::is_before): New function.
574         (Sort_output_sections::operator()): Call is_before.
575         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
576         conditional.
577         * testsuite/script_test_10.sh: New test. Test script section
578         order.
579         * testsuite/script_test_10.t: Likewise.
580         * testsuite/script_test_10.s: Likewise.
581         * testsuite/Makefile.am: Wrap the cross linker tests and the
582         common tests into NATIVE_OR_CROSS_LINKER.
583         (check_SCRIPTS): Add script_test_10.sh.
584         (check_DATA): Add script_test_10.stdout.
585         (script_test_10.o, script_test_10): New targets.
586         (script_test_10.stdout): New target.
587         * configure, testsuite/Makefile.in: Regenerate.
588
589 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
590
591         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
592         error for the deprecated relocations.
593         (Target_arm::Scan::global): Likewise.
594         (Target_arm::Relocate::relocate): Likewise.
595
596 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
597
598         * fileread.cc (Input_file::find_file): Initialize *found_name
599         and *namep when using the fallback search for case 4.
600
601 2010-10-11  Cary Coutant  <ccoutant@google.com>
602
603         * options.h (class General_options): Redefine -z lazy as an alias for
604         the negation of -z now.
605
606 2010-10-11  Ian Lance Taylor  <iant@google.com>
607
608         * resolve.cc (symbol_to_bits): Report the value of the unsupported
609         binding.
610
611 2010-10-06  Nick Clifton  <nickc@redhat.com>
612
613         * script-sections.cc(class Memory_region): Remove
614         current_lma_offset_ field.  Rename current_vma_offset_ to
615         current_offset_.  Add last_section_ field.
616         (Memory_region::get_current_vma_address): Rename to
617         get_current_address.
618         (Memory_region::get_current_lma_address): Delete.
619         (Memory_region::increment_vma_offset): Rename to
620         increment_offset.
621         (Memory_region::increment_lma_offset): Delete.
622         (Memory_region::attributes_compatible): New method.  Returns
623         true if the provided section is compatible with the region.
624         (Memory_region::get_last_section): New method.  Returns the last
625         section to use the region.
626         (Memory_region::set_last_section): New method.  Stores the last
627         section to use the region.
628         (Script_sections::block_in_region): New method.  Returns true if
629         a block of memory is contained within a region.
630         (Script_sections::find_memory_region): New method.  Locates a
631         memory region to be used to set a VMA or LMA address.
632         (Output_section_definition::set_section_addresses): Add code to
633         check for addresses set by memory regions.
634         (Output_segment::set_section_addresses): Remove memory region
635         walking code.
636         (Script_sections::create_segment): Add a warning if a header
637         segment is created outside of any region.
638         * script-sections.h (class Script_sections): Add prototypes for
639         find_memory_region and block_in_region methods.
640         * testsuite/memory_test.s: Use .long instead of .word.
641         * testsuite/memory_test.t: Add some more output sections.
642         * testsuite/memory_test.sh: Update expected output.
643
644 2010-10-02  Doug Kwan  <dougkwan@google.com>
645
646         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
647         defintion to symtab.h
648         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
649         declaration to defintion.
650
651 2010-10-01  Nick Clifton  <nickc@redhat.com>
652
653         * expression.cc (eval): Replace dummy argument with NULL.
654         (eval_maybe_dot): Check for a NULL result section pointer.
655         (Symbol_expression::value): Likewise.
656         (Dot_expression::value): Likewise.
657         (BINARY_EXPRESSION): Likewise.
658         (Max_expression::value): Likewise.
659         (Min_expression::value): Likewise.
660         (Absolute_expression::value): Likewise.
661         (Addr_expression::value_from_output_section): Likewise.
662         (Loaddddr_expression::value_from_output_section): Likewise.
663         (Segment_start_expression::value): Likewise.
664         * script-sections.cc
665         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
666         argument with NULL.
667         (Sections_elememt_dot_assignment::set_section_addresses):
668         Likewise.
669         (Output_data_expression::do_write_to_buffer): Likewise.
670         (Output_section_definition::finalize_symbols): Likewise.
671         (Output_section_definition::set_section_addresses): Likewise.
672
673 2010-09-30  Doug Kwan  <dougkwan@google.com>
674
675         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
676
677 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
678
679         * target.h (Target::can_icf_inline_merge_sections): New virtual
680         function.
681         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
682         virtual function.
683         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
684         virtual function.
685         * icf.cc (get_section_contents): Inline merge sections only when
686         target allows it.
687
688 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
689
690         * configure: Regenerate.
691
692 2010-09-17  Ian Lance Taylor  <iant@google.com>
693
694         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
695         * testsuite/Makefile.am (memory_test.o): New target.
696         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
697         memory_test.t.
698         * testsuite/Makefile.in: Rebuild.
699
700 2010-09-17  Doug Kwan  <dougkwan@google.com>
701
702         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
703         defintion if relocation uses GOT entries of the symbol.
704         * testsuite/icf_safe_test.sh: Fix test.
705         * testsuite/icf_safe_so_test.sh: Fix test.
706
707 2010-09-16  Cary Coutant  <ccoutant@google.com>
708
709         * script_sections.cc (class Memory_region): Remove "NULL" from
710         vector initializations.
711
712 2010-09-15  Cary Coutant  <ccoutant@google.com>
713
714         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
715         Resolve forwarding symbols.
716
717 2010-09-15  Doug Kwan  <dougkwan@google.com>
718
719         * gold/testsuite/script_test_3.t: Add ARM special sections.
720         * gold/testsuite/script_test_4.t: Same.
721         * gold/testsuite/script_test_5.t: Same.
722         * gold/testsuite/script_test_6.t: Same.
723         * gold/testsuite/script_test_7.t: Same.
724         * gold/testsuite/script_test_7.t: Same.
725         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
726
727 2010-09-14  Cary Coutant  <ccoutant@google.com>
728
729         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
730         (Target_x86_64::Relocate::relocate_tls): Replace check for
731         saw_tls_block_reloc_ with test for executable section.
732
733 2010-09-12  Cary Coutant  <ccoutant@google.com>
734
735         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
736         position-independent executables to shared libraries need dynamic
737         relocations.
738         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
739         position-independent executables.
740         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
741         * testsuite/Makefile.in: Regenerate.
742
743 2010-09-10  Nick Clifton  <nickc@redhat.com>
744
745         PR gold/11997
746         * testsuite/memory_test.t: Discard any sections that are not
747         needed.
748
749 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
750
751         PR gold/11996
752         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
753         "This::" to work around a bug in gcc 4.2.
754
755         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
756
757 2010-09-09  Rafael Espindola  <espindola@google.com>
758
759         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
760         sections with different PF_X flags in the same segment.
761         (Layout::find_first_load_seg): Search all segments to find the first
762         one.
763         * options.h (rosegment): New.
764
765 2010-09-08  Rafael Espindola  <espindola@google.com>
766
767         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
768
769 2010-09-08  Doug Kwan  <dougkwan@google.com>
770
771         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
772         (Arm_relobj::do_relocate_sections): Add new parameter for output
773         file to match the parent.
774         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
775         of local symbols instead of input values.  Update code to track
776         changes in gold::relocate_section.
777         * object.cc (Sized_relobj::compute_final_local_value): New methods.
778         (Sized_relobj::compute_final_local_value_internal): New methods.
779         (Sized_relobj::do_finalize_local_symbols): Move code from loop
780         body into private version of Sized_relobj::compute_final_local_value.
781         Call the inline method.
782         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
783         merged symbol value if there is one.
784         (Symbol_value::has_output_value): New method defintiion.
785         (Sized_relobj::Compute_final_local_value_status): New enum type.
786         (Sized_relobj::compute_final_local_value): New methods.
787         (Sized_relobj::compute_final_local_value_internal): New methods.
788         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
789         and arm_cortex_a8.sh.
790         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
791         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
792         New tests.
793         * Makefile.in: Regenerate.
794         * testsuite/arm_bl_out_of_range.s: Update test.
795         * testsuite/thumb_bl_out_of_range.s: Ditto.
796         * testsuite/thumb_blx_out_of_range.s: Ditto.
797         * testsuite/arm_branch_out_of_range.sh: New file.
798         * testsuite/arm_cortex_a8.sh: Ditto.
799         * testsuite/arm_cortex_a8_b.s: Ditto.
800         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
801         * testsuite/arm_cortex_a8_b_local.s: Ditto.
802         * testsuite/arm_cortex_a8_bl.s: Ditto.
803         * testsuite/arm_cortex_a8_blx.s: Ditto.
804         * testsuite/arm_cortex_a8_local.s: Ditto.
805         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
806         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
807
808 2010-09-08  Rafael Espindola  <espindola@google.com>
809
810         * Makefile.am (memory_test.stdout): Run readelf with -W.
811         * Makefile.in: Regenerate.
812         * testsuite/memory_test.sh: Make the regexps accept both 32 and
813         64 bit output.
814
815 2010-09-08  Rafael Espindola  <espindola@google.com>
816
817         * script-sections.cc (Script_sections::add_memory_region): Convert
818         field precision to int.
819         * script.cc (script_set_section_region, script_set_section_region):
820         Convert field precision to int.
821
822 2010-09-08  Rafael Espindola  <espindola@google.com>
823
824         * arm.cc (do_finalize_sections): Create the __exidx_start and
825         __exdix_end symbols even when the section is missing.
826
827 2010-09-08  Nick Clifton  <nickc@redhat.com>
828
829         * README: Remove claim that MEMORY is not supported.
830         * expression.cc (script_exp_function_origin)
831         (script_exp_function_length): Move from here to ...
832         * script.cc: ... here.
833         (script_set_section_region, script_add_memory)
834         (script_parse_memory_attr, script_include_directive): New
835         functions.
836         * script-sections.cc
837         (class Memory_region): New class.
838         (class Output_section_definition): Add set_memory_region,
839         set_section_vma, set_section_lma and get_section_name methods.
840         (class Script_Sections): Add add_memory_region,
841         find_memory_region, find_memory_region_origin,
842         find_memory_region_length and set_memory_region methods.
843         Have set_section_addresses method walk the list of set memory
844         regions.
845         Extend the print methos to display memory regions.
846         * script-sections.h: Add prototypes for new methods.
847         Add enum for MEMORY region attributes.
848         * yyscript.y: Add support for parsing MEMORY regions.
849         * script-c.h: Add prototypes for new functions.
850         * testsuite/Makefile.am: Add test of MEMORY region functionality.
851         * testsuite/Makefile.in: Regenerate.
852         * testsuite/memory_test.sh: New script.
853         * testsuite/memory_test.s: New assembler source file.
854         * testsuite/memory_test.t: New linker script.
855
856 2010-08-27  Doug Kwan  <dougkwan@google.com>
857
858         * gold/resolve.cc (Symbol_table::should_override): Let a weak
859         reference override an existing dynamic weak reference.
860         * testsuite/Makefile.am: Add new test dyn_weak_ref.
861         * testsuite/Makefile.in: Regenerate.
862         * testsuite/dyn_weak_ref.sh: New file.
863         * testsuite/dyn_weak_ref_1.c: Ditto.
864         * testsuite/dyn_weak_ref_2.c: Ditto.
865
866 2010-08-27  Ian Lance Taylor  <iant@google.com>
867
868         * incremental.h (class Incremental_input_entry): Add virtual
869         destructor.
870
871 2010-08-27  Ian Lance Taylor  <iant@google.com>
872
873         * testsuite/start_lib_test_3.c: Mark t3 as used.
874
875 2010-08-27  Nick Clifton  <nickc@redhat.com>
876
877         * options.cc (version_script): Fix small typo in previous
878         whitespace tidyup.
879
880 2010-08-25  Nick Clifton  <nickc@redhat.com>
881
882         * archive.cc: Formatting fixes: Remove whitespace between
883         typename and following asterisk.  Remove whitespace between
884         function name and opening parenthesis.
885         * archive.h: Likewise.
886         * arm.cc: Likewise.
887         * attributes.cc: Likewise.
888         * attributes.h: Likewise.
889         * common.cc: Likewise.
890         * copy-relocs.cc: Likewise.
891         * dirsearch.h: Likewise.
892         * dynobj.cc: Likewise.
893         * ehframe.cc: Likewise.
894         * ehframe.h: Likewise.
895         * expression.cc: Likewise.
896         * fileread.cc: Likewise.
897         * fileread.h: Likewise.
898         * gc.h: Likewise.
899         * gold-threads.cc: Likewise.
900         * gold.cc: Likewise.
901         * i386.cc: Likewise.
902         * icf.h: Likewise.
903         * incremental-dump.cc: Likewise.
904         * incremental.cc: Likewise.
905         * layout.cc: Likewise.
906         * layout.h: Likewise.
907         * main.cc: Likewise.
908         * merge.cc: Likewise.
909         * merge.h: Likewise.
910         * object.cc: Likewise.
911         * object.h: Likewise.
912         * options.cc: Likewise.
913         * options.h: Likewise.
914         * output.cc: Likewise.
915         * output.h: Likewise.
916         * plugin.cc: Likewise.
917         * plugin.h: Likewise.
918         * powerpc.cc: Likewise.
919         * reloc.cc: Likewise.
920         * script-c.h: Likewise.
921         * script-sections.cc: Likewise.
922         * script.cc: Likewise.
923         * stringpool.cc: Likewise.
924         * symtab.cc: Likewise.
925         * symtab.h: Likewise.
926         * target.cc: Likewise.
927         * timer.cc: Likewise.
928         * timer.h: Likewise.
929         * version.cc: Likewise.
930         * x86_64.cc: Likewise.
931
932 2010-08-24  Nick Clifton  <nickc@redhat.com>
933
934         PR 11899
935         * layout.cc (segment_precedes): Sort segments by their physical
936         addresses, if they have been set.
937
938 2010-08-23  Cary Coutant  <ccoutant@google.com>
939
940         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
941         symbols data.
942         (Lib_group::include_member): Unlock object after deleting its
943         symbols data.
944         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
945         the bug fixed here.
946
947 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
948             Cary Coutant  <ccoutant@google.com>
949
950         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
951         constructor, and set_blocker.
952         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
953         readsyms_blocker_.
954         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
955         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
956         * testsuite/Makefile.am (start_lib_test): New test case.
957         * testsuite/Makefile.in: Regenerate.
958         * testsuite/start_lib_test_main.c: New file.
959         * testsuite/start_lib_test_1.c: New file.
960         * testsuite/start_lib_test_2.c: New file.
961         * testsuite/start_lib_test_3.c: New file.
962
963 2010-08-19  Ian Lance Taylor  <iant@google.com>
964
965         * Makefile.in: Rebuild with automake 1.11.1.
966         * aclocal.m4: Likewise.
967         * testsuite/Makefile.in: Likewise.
968
969 2010-08-19  Ian Lance Taylor  <iant@google.com>
970
971         PR 10893
972         * i386.cc (class Output_data_plt_i386): Update declarations.
973         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
974         local_ifuncs_ fields.
975         (Target_i386::do_plt_section_for_global): New function.
976         (Target_i386::do_plt_section_for_local): New function.
977         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
978         parameter; change all callers.  Initialize global_ifuncs_ and
979         local_ifuncs_.  If doing a static link define __rel_iplt_start and
980         __rel_iplt_end.
981         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
982         (Output_data_plt_i386::add_local_ifunc_entry): New function.
983         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
984         symbols.
985         (Target_i386::make_plt_section): New function, broken out of
986         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
987         (Target_i386::make_plt_entry): Call make_plt_section.
988         (Target_i386::make_local_ifunc_plt_entry): New function.
989         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
990         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
991         R_386_IRELATIVE to switch.
992         (Target_i386::Scan::global): Likewise.
993         (Target_i386::Relocate::relocate): Likewise.
994         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
995         switch.
996         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
997         (Target_x86_64::do_plt_section_for_global): New function.
998         (Target_x86_64::do_plt_section_for_local): New function.
999         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
1000         parameter; change all callers.  If doing a static link define
1001         __rela_iplt_start and __rela_iplt_end.
1002         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
1003         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
1004         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
1005         to point to .plt.
1006         (Target_x86_64::make_local_ifunc_plt_entry): New function.
1007         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
1008         switch.
1009         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
1010         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
1011         R_X86_64_IRELATIVE to switch.
1012         (Target_x86_64::Scan::global): Likewise.
1013         (Target_x86_64::Relocate::relocate): Likewise.
1014         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
1015         switch.
1016         * target.h (class Target): Add plt_section_for_global and
1017         plt_section_for_local functions.  Add do_plt_section_for_global
1018         and do_plt_section_for_local virtual functions.
1019         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
1020         clarifying comments.
1021         (Symbol::use_plt_offset): Handle IFUNC symbol.
1022         * object.cc (Sized_relobj::Sized_relobj): Initialize
1023         local_plt_offsets_.
1024         (Sized_relobj::local_has_plt_offset): New function.
1025         (Sized_relobj::local_plt_offset): New function.
1026         (Sized_relobj::set_local_plt_offset): New function.
1027         (Sized_relobj::do_count): Handle IFUNC symbol.
1028         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
1029         a bit away from input_shndx_ field.  Add set_is_func_symbol and
1030         is_ifunc_symbol functions.
1031         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
1032         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
1033         local_plt_offsets_ field.
1034         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
1035         * output.h (class Output_section_data): Add non-const
1036         output_section function.
1037         (class Output_data_got): Update declarations.
1038         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
1039         Add use_plt_offset parameter to global and local constructors.
1040         Change all callers.  Change local_sym_index_ field to 31 bits.
1041         Change GSYM_CODE and CONSTANT_CODE accordingly.
1042         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
1043         doing a static link don't set sh_link field.
1044         (Output_data_got::Got_entry::write): Use PLT offset if
1045         appropriate.
1046         (Output_data_got::add_global_plt): New function.
1047         (Output_data_got::add_local_plt): New function.
1048         * target-reloc.h (relocate_section): Handle IFUNC symbol.
1049         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
1050         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
1051         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
1052         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
1053         IFUNC conditional.
1054         * testsuite/ifunc-sel.h: New file.
1055         * testsuite/ifuncmain1.c: New file.
1056         * testsuite/ifuncmain1vis.c: New file.
1057         * testsuite/ifuncmod1.c: New file.
1058         * testsuite/ifuncdep2.c: New file.
1059         * testsuite/ifuncmain2.c: New file.
1060         * testsuite/ifuncmain3.c: New file.
1061         * testsuite/ifuncmod3.c: New file.
1062         * testsuite/ifuncmain4.c: New file.
1063         * testsuite/ifuncmain5.c: New file.
1064         * testsuite/ifuncmod5.c: New file.
1065         * testsuite/ifuncmain6pie.c: New file.
1066         * testsuite/ifuncmod6.c: New file.
1067         * testsuite/ifuncmain7.c: New file.
1068         * configure, testsuite/Makefile.in: Rebuild.
1069
1070 2010-08-18  Ian Lance Taylor  <iant@google.com>
1071
1072         * incremental.cc
1073         (Output_section_incremental_inputs::write_input_files): Add cast
1074         to avoid signed/unsigned comparison warning.
1075         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1076
1077 2010-08-12  Cary Coutant  <ccoutant@google.com>
1078
1079         * common.cc (Sort_commons::operator()): Remove unnecessary code.
1080
1081 2010-08-13  Ian Lance Taylor  <iant@google.com>
1082
1083         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
1084
1085 2010-08-12  Cary Coutant  <ccoutant@google.com>
1086             Doug Kwan  <dougkwan@google.com>
1087
1088         * resolve.cc (Symbol_table::should_override): When a weak dynamic
1089         defintion overrides non-weak undef, remember that the original undef
1090         is not weak.
1091         * symtab.cc (Symbol_table::sized_write_global): For undef without
1092         an original weak binding, set binding to global in output.
1093         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
1094         * testsuite/Makefile.in: Regenerate.
1095         * testsuite/strong_ref_weak_def.sh: New file.
1096         * testsuite/strong_ref_weak_def_1.c: Ditto.
1097         * testsuite/strong_ref_weak_def_2.c: Ditto.
1098
1099 2010-08-12  Cary Coutant  <ccoutant@google.com>
1100
1101         * testsuite/incremental_test.sh: Rewrite.
1102         * testsuite/incremental_test_1.c: Rewrite.
1103         * testsuite/incremental_test_2.c: Rewrite.
1104
1105 2010-08-12  Cary Coutant  <ccoutant@google.com>
1106
1107         * arm.cc (Target_arm::got_size): Add const.
1108         (Target_arm::got_entry_count): New function.
1109         (Target_arm::plt_entry_count): New function.
1110         (Target_arm::first_plt_entry_offset): New function.
1111         (Target_arm::plt_entry_size): New function.
1112         (Output_data_plt_arm::entry_count): New function.
1113         (Output_data_plt_arm::first_plt_entry_offset): New function.
1114         (Output_data_plt_arm::get_plt_entry_size): New function.
1115         * i386.cc (Target_i386::got_size): Add const.
1116         (Target_i386::got_entry_count): New function.
1117         (Target_i386::plt_entry_count): New function.
1118         (Target_i386::first_plt_entry_offset): New function.
1119         (Target_i386::plt_entry_size): New function.
1120         (Output_data_plt_i386::entry_count): New function.
1121         (Output_data_plt_i386::first_plt_entry_offset): New function.
1122         (Output_data_plt_i386::get_plt_entry_size): New function.
1123         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
1124         find_incremental_inputs_sections.  Dump incremental_got_plt section.
1125         * incremental.cc: Include target.h.
1126         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
1127         parameter.  Adjust all callers.  Find incremental_got_plt section.
1128         (Incremental_inputs::create_data_sections): Create incremental_got_plt
1129         section.
1130         (Output_section_incremental_inputs::set_final_data_size): Calculate
1131         size of incremental_got_plt section.
1132         (Output_section_incremental_inputs::do_write): Write the
1133         incremental_got_plt section.
1134         (Got_plt_view_info): New struct.
1135         (Local_got_offset_visitor): New class.
1136         (Global_got_offset_visitor): New class.
1137         (Global_symbol_visitor_got_plt): New class.
1138         (Output_section_incremental_inputs::write_got_plt): New function.
1139         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
1140         Add parameter.  Adjust all callers.
1141         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1142         (Incremental_inputs::got_plt_section): New function.
1143         (Incremental_inputs::got_plt_section_): New data member.
1144         (Incremental_got_plt_reader): New class.
1145         * layout.cc (Layout::create_incremental_info_sections): Add the
1146         incremental_got_plt section.
1147         * object.h (Got_offset_list::get_list): New function.
1148         (Got offset_list::for_all_got_offsets): New function.
1149         (Sized_relobj::local_got_offset_list): New function.
1150         * powerpc.cc (Target_powerpc::got_size): Add const.
1151         (Target_powerpc::got_entry_count): New function.
1152         (Target_powerpc::plt_entry_count): New function.
1153         (Target_powerpc::first_plt_entry_offset): New function.
1154         (Target_powerpc::plt_entry_size): New function.
1155         (Output_data_plt_powerpc::entry_count): New function.
1156         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
1157         (Output_data_plt_powerpc::get_plt_entry_size): New function.
1158         * sparc.cc (Target_sparc::got_size): Add const.
1159         (Target_sparc::got_entry_count): New function.
1160         (Target_sparc::plt_entry_count): New function.
1161         (Target_sparc::first_plt_entry_offset): New function.
1162         (Target_sparc::plt_entry_size): New function.
1163         (Output_data_plt_sparc::entry_count): New function.
1164         (Output_data_plt_sparc::first_plt_entry_offset): New function.
1165         (Output_data_plt_sparc::get_plt_entry_size): New function.
1166         * symtab.h (Symbol::got_offset_list): New function.
1167         (Symbol_table::for_all_symbols): New function.
1168         * target.h (Sized_target::got_entry_count): New function.
1169         (Sized_target::plt_entry_count): New function.
1170         (Sized_target::plt_entry_size): New function.
1171         * x86_64.cc (Target_x86_64::got_size): Add const.
1172         (Target_x86_64::got_entry_count): New function.
1173         (Target_x86_64::plt_entry_count): New function.
1174         (Target_x86_64::first_plt_entry_offset): New function.
1175         (Target_x86_64::plt_entry_size): New function.
1176         (Output_data_plt_x86_64::entry_count): New function.
1177         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
1178         (Output_data_plt_x86_64::get_plt_entry_size): New function.
1179
1180 2010-08-12  Cary Coutant  <ccoutant@google.com>
1181
1182         * archive.cc: Include incremental.h.
1183         (Archive::Archive): Initialize incremental_info_.
1184         (Archive::include_member): Record archive members in incremental info.
1185         (Add_archive_symbols::run): Record begin and end of an archive in
1186         incremental info.
1187         (Lib_group::include_member): Record objects in incremental info.
1188         * archive.h (Incremental_archive_entry): Forward declaration.
1189         (Archive::set_incremental_info): New member function.
1190         (Archive::incremental_info): New member function.
1191         (Archive::Unused_symbol_iterator): New class.
1192         (Archive::unused_symbols_begin): New member function.
1193         (Archive::unused_symbols_end): New member function.
1194         (Archive::incremental_info_): New data member.
1195         * incremental-dump.cc (find_input_containing_global): New function.
1196         (dump_incremental_inputs): Dump new incremental info sections.
1197         * incremental.cc: Include symtab.h.
1198         (Output_section_incremental_inputs): New class.
1199         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
1200         new incremental info sections.
1201         (Sized_incremental_binary::do_check_inputs): Likewise.
1202         (Incremental_inputs::report_archive): Remove.
1203         (Incremental_inputs::report_archive_begin): New function.
1204         (Incremental_inputs::report_archive_end): New function.
1205         (Incremental_inputs::report_object): New function.
1206         (Incremental_inputs::finalize_inputs): Remove.
1207         (Incremental_inputs::report_input_section): New function.
1208         (Incremental_inputs::report_script): Rewrite.
1209         (Incremental_inputs::finalize): Do nothing but finalize string table.
1210         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1211         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1212         (Incremental_inputs::create_data_sections): New function.
1213         (Incremental_inputs::relocs_entsize): New function.
1214         (Output_section_incremental_inputs::set_final_data_size): New function.
1215         (Output_section_incremental_inputs::do_write): New function.
1216         (Output_section_incremental_inputs::write_header): New function.
1217         (Output_section_incremental_inputs::write_input_files): New function.
1218         (Output_section_incremental_inputs::write_info_blocks): New function.
1219         (Output_section_incremental_inputs::write_symtab): New function.
1220         * incremental.h (Incremental_script_entry): Forward declaration.
1221         (Incremental_object_entry): Forward declaration.
1222         (Incremental_archive_entry): Forward declaration.
1223         (Incremental_inputs): Forward declaration.
1224         (Incremental_inputs_header_data): Remove.
1225         (Incremental_inputs_header): Remove.
1226         (Incremental_inputs_header_write): Remove.
1227         (Incremental_inputs_entry_data): Remove.
1228         (Incremental_inputs_entry): Remove.
1229         (Incremental_inputs_entry_write): Remove.
1230         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1231         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1232         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1233         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1234         Likewise.
1235         (Incremental_input_entry): New class.
1236         (Incremental_script_entry): New class.
1237         (Incremental_object_entry): New class.
1238         (Incremental_archive_entry): New class.
1239         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1240         (Incremental_inputs::report_inputs): Remove.
1241         (Incremental_inputs::report_archive): Remove.
1242         (Incremental_inputs::report_archive_begin): New function.
1243         (Incremental_inputs::report_archive_end): New function.
1244         (Incremental_inputs::report_object): Change prototype.
1245         (Incremental_inputs::report_input_section): New function.
1246         (Incremental_inputs::report_script): Change prototype.
1247         (Incremental_inputs::get_reloc_count): New function.
1248         (Incremental_inputs::set_reloc_count): New function.
1249         (Incremental_inputs::create_data_sections): New function.
1250         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1251         (Incremental_inputs::inputs_section): New function.
1252         (Incremental_inputs::symtab_section): New function.
1253         (Incremental_inputs::relocs_section): New function.
1254         (Incremental_inputs::get_stringpool): Add const.
1255         (Incremental_inputs::command_line): Add const.
1256         (Incremental_inputs::inputs): Remove.
1257         (Incremental_inputs::command_line_key): New function.
1258         (Incremental_inputs::input_file_count): New function.
1259         (Incremental_inputs::input_files): New function.
1260         (Incremental_inputs::relocs_entsize): New function.
1261         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1262         (Incremental_inputs::finalize_inputs): Remove.
1263         (Incremental_inputs::Input_info): Remove.
1264         (Incremental_inputs::lock_): Remove.
1265         (Incremental_inputs::inputs_): Change type.
1266         (Incremental_inputs::inputs_map_): Remove.
1267         (Incremental_inputs::current_object_entry_): New data member.
1268         (Incremental_inputs::inputs_section_): New data member.
1269         (Incremental_inputs::symtab_section_): New data member.
1270         (Incremental_inputs::relocs_section_): New data member.
1271         (Incremental_inputs::reloc_count_): New data member.
1272         (Incremental_inputs_reader): New class.
1273         (Incremental_symtab_reader): New class.
1274         (Incremental_relocs_reader): New class.
1275         * layout.cc (Layout::finalize): Move finalization of incremental info
1276         and creation of incremental info sections to follow finalization of
1277         symbol table.  Set offsets for postprocessing sections.
1278         (Layout::create_incremental_info_sections): Call
1279         Incremental_inputs::create_data_sections.  Add incremental symtab
1280         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1281         sections to layout after input sections.
1282         * layout.h (struct Timespec): Forward declaration.
1283         (Layout::incremental_inputs): Add const.
1284         (Layout::create_incremental_info_sections): Add parameter.
1285         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1286         * object.cc: Include incremental.h.
1287         (Relobj::finalize_incremental_relocs): New function.
1288         (Sized_relobj::do_layout): Record input sections in incremental info.
1289         * object.h (Object::output_section): New function.
1290         (Object::output_section_offset): Moved from Relobj.
1291         (Object::get_incremental_reloc_base): New function.
1292         (Object::get_incremental_reloc_count): New function.
1293         (Object::do_output_section): New function.
1294         (Object::do_output_section_offset): Moved from Relobj.
1295         (Object::do_get_incremental_reloc_base): New function.
1296         (Object::do_get_incremental_reloc_count): New function.
1297         (Object::Object): Initialize new data members.
1298         (Relobj::output_section): Renamed do_output_section and moved to
1299         protected.
1300         (Relobj::output_section_offset): Moved to Object.
1301         (Relobj::do_get_incremental_reloc_base): New function.
1302         (Relobj::do_get_incremental_reloc_count): New function.
1303         (Relobj::allocate_incremental_reloc_counts): New function.
1304         (Relobj::count_incremental_reloc): New function.
1305         (Relobj::finalize_incremental_relocs): New function.
1306         (Relobj::next_incremental_reloc_index): New function.
1307         (Relobj::reloc_counts_): New data member.
1308         (Relobj::reloc_bases_): New data member.
1309         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1310         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1311         (Sized_relobj::incremental_relocs_scan): New function.
1312         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1313         (Sized_relobj::incremental_relocs_write): New function.
1314         (Sized_relobj::incremental_relocs_write_reltype): New function.
1315         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1316         incremental link.
1317         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1318         archives and object files elsewhere.
1319         (Add_symbols::run): Report object files here.
1320         (Finish_group::run): Report end of archive at end of group.
1321         * reloc.cc: Include layout.h, incremental.h.
1322         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1323         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1324         (Sized_relobj::incremental_relocs_scan): New function.
1325         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1326         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1327         (Sized_relobj::incremental_relocs_write): New function.
1328         (Sized_relobj::incremental_relocs_write_reltype): New function.
1329         * script.cc (read_input_script): Rewrite test for incremental link.
1330         Change call to Incremental_inputs::report_script.
1331         * symtab.h (Symbol_table::first_global_index): New function.
1332         (Symbol_table::output_count): New function.
1333
1334 2010-08-12  Doug Kwan  <dougkwan@google.com>
1335
1336         * arm.cc (Target_arm::merge_object_attributes): Check command line
1337         options --no-wchar-size-warning and --no-enum-size-warning.
1338         * options.h (General_options): Add ld-compatible options
1339         --no-enum-size-warning and --no-wchar-size-warning.
1340
1341 2010-08-04  Ian Lance Taylor  <iant@google.com>
1342
1343         * x86_64.cc (Target_x86_64::Scan::local): Use
1344         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1345         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1346         (Target_x86_64::Scan::global): Likewise.
1347         (Target_x86_64::Relocate::relocate): Likewise.
1348         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1349         Likewise.
1350
1351 2010-08-03  Cary Coutant  <ccoutant@google.com>
1352
1353         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1354         to reserve space in merged_strings vector. Keep total input size
1355         for stats.
1356         (Output_merge_string::do_print_merge_stats): Print total input size.
1357         * merge.h (Output_merge_string): Add input_size_ field.
1358         * stringpool.cc (Stringpool_template::string_length): Move
1359         implementations out of Stringpool_template class and place in
1360         stringpool.h.
1361         * stringpool.h (string_length): Move out of Stringpool_template.
1362
1363 2010-08-03  Ian Lance Taylor  <iant@google.com>
1364
1365         PR 11712
1366         * layout.cc (relaxation_loop_body): If address of load segment is
1367         set, adjust address to include headers if possible.
1368
1369 2010-08-03  Ian Lance Taylor  <iant@google.com>
1370
1371         * version.cc (version_string): Bump to 1.10.
1372
1373 2010-08-03  Ian Lance Taylor  <iant@google.com>
1374
1375         PR 11805
1376         * layout.h (enum Output_section_order): Define.
1377         (class Layout): Update declarations.
1378         * layout.cc (Layout::get_output_section): Add order parameter.
1379         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1380         is_first_non_relro parameters.  Change all callers.
1381         (Layout::choose_output_section): Likewise.
1382         (Layout::add_output_section_data): Likewise.
1383         (Layout::make_output_section): Likewise.  Set order.
1384         (Layout::default_section_order): New function.
1385         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1386         * output.cc (Output_section::Output_section): Initialize order_.
1387         Don't initialize deleted fields.
1388         (Output_segment::Output_segment): Don't initialize deleted
1389         fields.
1390         (Output_segment::add_output_section_to_load): New function
1391         replacing add_output_section.  Change all callers to call this or
1392         add_output_section_to_nonload.
1393         (Output_segment::add_output_section_to_nonload): New function.
1394         (Output_segment::remove_output_section): Rewrite.
1395         (Output_segment::add_initial_output_data): Likewise.
1396         (Output_segment::has_any_data_sections): Likewise.
1397         (Output_segment::is_first_section_relro): Likewise.
1398         (Output_segment::maximum_alignment): Likewise.
1399         (Output_segment::has_dynamic_reloc): New function replacing
1400         dynamic_reloc_count.  Change all callers.
1401         (Output_segment::has_dynamic_reloc_list): New function replacing
1402         dynamic_reloc_count_list.  Change all callers.
1403         (Output_segment::set_section_addresses): Rewrite.
1404         (Output_segment::set_offset): Rewrite.
1405         (Output_segment::find_first_and_last_list): Remove.
1406         (Output_segment::set_tls_offsets): Rewrite.
1407         (Output_segment::first_section_load_address): Likewise.
1408         (Output_segment::output_section_count): Likewise.
1409         (Output_segment::section_with_lowest_load_address): Likewise.
1410         (Output_segment::write_section_headers): Likewise.
1411         (Output_segment::print_sections_to_map): Likewise.
1412         * output.h (class Output_data): Remove dynamic_reloc_count_
1413         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1414         (Output_data::add_dynamic_reloc): Rewrite.
1415         (Output_data::has_dynamic_reloc): New function.
1416         (Output_data::dynamic_reloc_count): Remove.
1417         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1418         is_last_relro_, is_first_non_relro_, is_interp_,
1419         is_dynamic_linker_section_ fields.  Add order and set_order
1420         functions.  Remove is_relro_local, set_is_relro_local,
1421         is_last_relro, set_is_last_relro, is_first_non_relro,
1422         set_is_first_non_relro functions, is_interp, set_is_interp,
1423         is_dynamic_linker_section, and set_is_dynamic_linker_section
1424         functions.
1425         (class Output_segment): Change Output_data_list from std::list to
1426         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1427         output_bss_ fields.  Update declarations.
1428
1429 2010-08-02  Ian Lance Taylor  <iant@google.com>
1430
1431         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1432         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1433         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1434
1435 2010-08-02  Ian Lance Taylor  <iant@google.com>
1436
1437         PR 11855
1438         * script.cc (Script_options::Script_options): Initialize
1439         symbol_definitions_ and symbol_references_.
1440         (Script_options::add_symbol_assignment): Update
1441         symbol_definitions_ and symbol_references_.
1442         (Script_options::add_symbol_reference): New function.
1443         (script_symbol): New function.
1444         * script.h (class Script_options): Add symbol_definitions_ and
1445         symbol_references_ fields.
1446         (Script_options::referenced_const_iterator): New type.
1447         (Script_options::referenced_begin): New function.
1448         (Script_options::referenced_end): New function.
1449         (Script_options::is_referenced): New function.
1450         (Script_options::any_unreferenced): New function.
1451         * script-c.h (script_symbol): Declare.
1452         * yyscript.y (exp): Call script_symbol.
1453         * symtab.cc: Include "script.h".
1454         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1455         Change all callers.  Check symbols referenced by scripts.
1456         (Symbol_table::add_undefined_symbols_from_command_line): Add
1457         layout parameter.  Change all callers.
1458         (Symbol_table::do_add_undefined_symbols_from_command_line):
1459         Likewise.  Break out loop body.  Check symbols referenced by
1460         scripts.
1461         (Symbol_table::add_undefined_symbol_from_command_line): New
1462         function broken out of
1463         do_add_undefined_symbols_from_command_line.
1464         * symtab.h (class Symbol_table): Update declarations.
1465         * archive.cc: Include "layout.h".
1466         (Archive::should_include_member): Add layout parameter.  Change
1467         all callers.  Check for symbol mentioned in expression.
1468         * archive.h (class Archive): Update declaration.
1469         * object.cc (Sized_relobj::do_should_include_member): Add layout
1470         parameter.
1471         * object.h (Object::should_include_member): Add layout parameter.
1472         Change all callers.
1473         (Object::do_should_include_member): Add layout parameter.
1474         (class Sized_relobj): Update declaration.
1475         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1476         parameter.
1477         * dynobj.h (class Sized_dynobj): Update declaration.
1478         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1479         layout parameter.
1480         * plugin.h (class Sized_pluginobj): Update declaration.
1481
1482 2010-08-02  Ian Lance Taylor  <iant@google.com>
1483
1484         PR 11866
1485         * output.cc (Output_segment::set_offset): Search for the first and
1486         last sections rather than assuming that the list is in order.
1487         (Output_segment::find_first_and_last_list): New function.
1488         * output.h (class Output_segment): Update declarations.
1489         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1490         (relro_strip_test_SOURCES): New variable.
1491         (relro_strip_test_DEPENDENCIES): New variable.
1492         (relro_strip_test_LDFLAGS): New variable.
1493         (relro_strip_test_LDADD): New variable.
1494         (relro_strip_test.so): New target.
1495
1496 2010-08-02  Ian Lance Taylor  <iant@google.com>
1497
1498         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1499         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1500         (Target_i386::got_tlsdesc_section): New function.
1501         (Target_i386::got_section): Create space for GOT entries for
1502         TLSDESC relocations.
1503         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1504         R_386_TLS_GOTDESC.
1505         (Target_i386::Scan::global): Likewise.
1506         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1507         using TLSDESC GOT.
1508         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1509         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1510         (Target_x86_64::got_tlsdesc_section): New function.
1511         (Target_x86_64::got_section): Create space for GOT entries for
1512         TLSDESC relocations.
1513         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1514         R_386_TLS_GOTDESC.
1515         (Target_x86_64::Scan::global): Likewise.
1516         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1517         using TLSDESC GOT.
1518
1519 2010-08-02  Ian Lance Taylor  <iant@google.com>
1520
1521         * testsuite/final_layout.sh: Use dc to convert from hex to
1522         decimal.
1523
1524 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1525
1526         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1527         paramter to the call to gold::gc_process_relocs.
1528         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1529         paramter to the call to gold::gc_process_relocs.
1530         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1531         parameter to the call to gold::gc_process_relocs.
1532         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1533         template parameter to the call to gold::gc_process_relocs.
1534         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1535         paramter to the call to gold::gc_process_relocs.
1536         * gc.h (get_embedded_addend_size): New function.
1537         (gc_process_relocs): Save the size of the reloc for use by ICF.
1538         * icf.cc (get_section_contents): Get the addend from the text section
1539         for SHT_REL relocation sections.
1540         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1541         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1542         * int_encoding.h (read_from_pointer): New overloaded function.
1543         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1544         * testsuite/icf_sht_rel_addend_test.sh: New file.
1545         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1546         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1547
1548 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1549
1550         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1551         * Makefile.in: Regenerate.
1552         * testsuite/Makefile.in: Regenerate.
1553
1554 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1555
1556         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1557         * gold/testsuite/debug_msg.cc: Likewise.
1558         * gold/testsuite/odr_violation1.cc
1559         * gold/testsuite/odr_violation2.cc
1560
1561 2010-07-21  Cary Coutant  <ccoutant@google.com>
1562
1563         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1564         string, and length fields.
1565         (Output_merge_string::Merged_strings_list): New type.
1566         (Output_merge_string::Merged_strings_lists): New typedef.
1567         (Output_merge_string): Replace merged_strings_ with
1568         merged_strings_lists_.
1569         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1570         Merged_strings_list per input object and section.  Don't store pointer
1571         to the string.  Don't store length with each merged string entry.
1572         (Output_merge_string::finalize_merged_data): Loop over list of merged
1573         strings lists.  Recompute length of each merged string.
1574
1575 2010-07-15  Cary Coutant  <ccoutant@google.com>
1576
1577         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1578         here.
1579
1580 2010-07-14  Ian Lance Taylor  <iant@google.com>
1581
1582         * descriptors.cc (Descriptors::open): Report correct name in error
1583         message.
1584
1585 2010-07-13  Doug Kwan  <dougkwan@google.com>
1586
1587         * arm.cc (Arm_input_section::Arm_input_section): For a
1588         SHT_ARM_EXIDX section, always keeps the input sections.
1589         (Arm_input_section::set_exidx_section_link): New method.
1590         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1591         has_errors_ to false.
1592         (Arm_exidx_input_section::has_errors,
1593         Arm_exidx_input_section::set_has_errors): New methods.
1594         (Arm_exidx_input_section::has_errors_): New data member.
1595         (Arm_relobj::get_exidx_shndx_list): New method.
1596         (Arm_output_section::append_text_sections_to_list): Do not skip
1597         section without SHF_EXECINSTR.
1598         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1599         errors.
1600         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1601         section header.  Make error messages more verbose.  Check for
1602         a non-executable section linked to an EXIDX section.
1603         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1604         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1605         check that there is no deferred EXIDX section if we exit early.
1606         Instead of not making an EXIDX section in case of an error, make one
1607         and set the has_errors flag of it.
1608         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1609         in a relocatable link.
1610         (Target_arm::do_relax): Look for the EXIDX output section instead of
1611         assuming that it is called .ARM.exidx.
1612         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1613         section list.  Do not check for SHF_EXECINSTR section flags but
1614         skip any input section with errors.
1615         * output.cc (Output_section::Output_section): Initialize
1616         always_keeps_input_sections_ to false.
1617         (Output_section::add_input_section): Check for
1618         always_keeps_input_sections_.
1619         *  output.h (Output_section::always_keeps_input_sections,
1620         Output_section::set_always_keeps_input_sections): New methods.
1621         (Output_section::always_keeps_input_sections): New data member.
1622
1623 2010-07-13  Rafael Espindola  <espindola@google.com>
1624
1625         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1626         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1627
1628 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1629             Ian Lance Taylor  <iant@google.com>
1630
1631         * output.h (Output_section_lookup_maps::add_merge_section):
1632         Correct check of whether value was inserted.
1633         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1634         (Output_section_lookup_maps::add_relaxed_input_section):
1635         Likewise.
1636         * arm.cc (Target_arm::got_section): Remove used local os.
1637         * i386.cc (Target_i386::got_section): Likewise.
1638         * x86_64.cc (Target_x86_64::got_section): Likewise.
1639         * sparc.cc (Target_sparc::got_section): Likewise.
1640         (Target_sparc::relocate): Remove unused local have_got_offset.
1641         * powerpc.cc (Target_powerpc::relocate): Likewise.
1642
1643 2010-07-13  Ian Lance Taylor  <iant@google.com>
1644
1645         * compressed_output.cc (zlib_decompress): Fix signature in
1646         !HAVE_ZLIB_H case.
1647
1648         * archive.cc (Archive::include_member): Unlock an external member
1649         of a thin archive.  Don't bother to delete an object we know is
1650         NULL.
1651
1652 2010-07-12  Cary Coutant  <ccoutant@google.com>
1653
1654         * compressed_output.cc (zlib_decompress): New function.
1655         (get_uncompressed_size): New function.
1656         (decompress_input_section): New function.
1657         * compressed_output.h (get_uncompressed_size): New function.
1658         (decompress_input_section): New function.
1659         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1660         Handle compressed debug sections.
1661         * layout.cc (is_compressed_debug_section): New function.
1662         (Layout::output_section_name): Map compressed section names to
1663         canonical names.
1664         * layout.h (is_compressed_debug_section): New function.
1665         (is_debug_info_section): Recognize compressed debug sections.
1666         * merge.cc: Include compressed_output.h.
1667         (Output_merge_data::do_add_input_section): Handle compressed
1668         debug sections.
1669         (Output_merge_string::do_add_input_section): Handle compressed
1670         debug sections.
1671         * object.cc: Include compressed_output.h.
1672         (Sized_relobj::Sized_relobj): Initialize new data members.
1673         (build_compressed_section_map): New function.
1674         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1675         * object.h (Object::section_is_compressed): New method.
1676         (Object::do_section_is_compressed): New method.
1677         (Sized_relobj::Compressed_section_map): New type.
1678         (Sized_relobj::do_section_is_compressed): New method.
1679         (Sized_relobj::compressed_sections_): New data member.
1680         * output.cc (Output_section::add_input_section): Handle compressed
1681         debug sections.
1682         * reloc.cc: Include compressed_output.h.
1683         (Sized_relobj::write_sections): Handle compressed debug sections.
1684
1685 2010-07-08  Cary Coutant  <ccoutant@google.com>
1686
1687         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1688         weak when resolving to a dynamic def.
1689         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1690         for weak undef/dynamic def cases. Adjust callers.
1691         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1692         undef_binding_weak_.
1693         (Symbol_table::sized_write_globals): Adjust symbol binding.
1694         (Symbol_table::sized_write_symbol): Add binding parameter.
1695         * symtab.h (Symbol::set_undef_binding): New method.
1696         (Symbol::is_undef_binding_weak): New method.
1697         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1698         (Symbol_table::should_override): Add new parameter.
1699         (Symbol_table::sized_write_symbol): Add new parameter.
1700
1701         * testsuite/weak_undef_file1.cc: Add new test case.
1702         * testsuite/weak_undef_file2.cc: Fix header comment.
1703         * testsuite/weak_undef_test.cc: Add new test case.
1704
1705 2010-06-29  Doug Kwan  <dougkwan@google.com>
1706
1707         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1708         Initialize USE_SYMBOL_.
1709         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1710         definition.
1711         (Arm_reloc_property::uses_symbol_): New data member declaration.
1712         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1713         uses symbol value and symbol is undefined but not weakly undefined.
1714
1715 2010-06-28  Rafael Espindola  <espindola@google.com>
1716
1717         * plugin.cc (Plugin::load): Use dlerror.
1718
1719 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1720
1721         * symtab.cc (detect_odr_violations): When reporting an ODR
1722         violation, report an object where the symbol is defined.
1723
1724 2010-06-25  Doug Kwan  <dougkwan@google.com>
1725
1726         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1727         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1728         definition.
1729         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1730         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1731         target hook to detect function points.
1732         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1733         * icf.h (Icf::check_section_for_function_pointers): Change type of
1734         parameter SECTION_NAME to const reference to std::string.  Use
1735         target hook to determine if section may have unsafe pointers.
1736         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1737         method definition.
1738
1739 2010-06-21  Rafael Espindola  <espindola@google.com>
1740
1741         * fileread.cc (Input_file::find_fie): New
1742         (Input_file::open): Use Input_file::find_fie.
1743         * fileread.h (Input_file::find_fie): New
1744         * plugin.cc (set_extra_library_path): New.
1745         (Plugin::load): Add set_extra_library_path to the transfer vector.
1746         (Plugin_manager::set_extra_library_path): New.
1747         (Plugin_manager::add_input_file): Use the extra search path if set.
1748         (set_extra_library_path(): New.
1749         * plugin.h (Plugin_manager): Add set_extra_library_path and
1750         extra_search_path_.
1751
1752 2010-06-19  Cary Coutant  <ccoutant@google.com>
1753
1754         * layout.cc (gdb_sections): Add .debug_types.
1755         (lines_only_debug_sections): Likewise.
1756
1757 2010-06-18  Rafael Espindola  <espindola@google.com>
1758
1759         * plugin.cc (add_input_file,add_input_library)
1760         (Plugin_manager::add_input_file): Make filename arguments const.
1761         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1762         const.
1763
1764 2010-06-16  Doug Kwan  <dougkwan@google.com>
1765
1766         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1767         .ARM.attributes section if we have not merged any input
1768         attributes sections.
1769
1770 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1771
1772         * arm.cc: Allow combining objects with no EABI version
1773         information.
1774
1775 2010-06-15  Rafael Espindola  <espindola@google.com>
1776
1777         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1778
1779 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1780
1781         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1782         (struct iovec): Correct !HAVE_READV definition.
1783
1784 2010-06-10  Cary Coutant  <ccoutant@google.com>
1785
1786         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1787         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1788         reloc sections.
1789         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1790
1791         PR 11683
1792         * symtab.h (Symbol::is_placeholder): New member function.
1793         * target-reloc.h (relocate_section): Check for placeholder symbols.
1794
1795         * testsuite/Makefile.am (plugin_test_8): New test.
1796         (plugin_test_9): New test.
1797         * testsuite/Makefile.in: Regenerate.
1798
1799 2010-06-09  Nick Clifton  <nickc@redhat.com>
1800
1801         * yyscript.y (input_list_element): Allow strings prefixed with
1802         the '-' character.  Treat these as libraries.
1803         * script.cc (script_add_library): New function.  Adds a library
1804         specified by "-l<name>" found in an input script.
1805         * script-c.h: Add prototype for script_add_library.
1806
1807 2010-06-07  Doug Kwan  <dougkwan@google.com>
1808
1809         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1810         Restrict stub-group size to be within long conditional branch
1811         range when working around cortex-A8 erratum.
1812
1813 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1814
1815         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1816         #ifdef typo.
1817
1818 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1819
1820         PR gold/11658
1821         * output.cc
1822         (Output_section::Input_section_sort_entry::compare_section_ordering):
1823         Change to return non-zero correctly.
1824         (Output_section::Input_section_sort_section_order_index_compare
1825         ::operator()): Change to fix ambiguity in comparisons.
1826
1827 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1828
1829         * gold.h (is_wildcard_string): New function.
1830         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1831         (Layout::layout_eh_frame): Ditto.
1832         (Layout::find_section_order_index): New method.
1833         (Layout::read_layout_from_file): New method.
1834         * layout.h (Layout::find_section_order_index): New method.
1835         (Layout::read_layout_from_file): New method.
1836         (Layout::input_section_position_): New private member.
1837         (Layout::input_section_glob_): New private member.
1838         * main.cc (main): Call read_layout_from_file here.
1839         * options.h (--section-ordering-file): New option.
1840         * output.cc (Output_section::input_section_order_specified_): New
1841         member.
1842         (Output_section::Output_section): Initialize new member.
1843         (Output_section::add_input_section): Add new parameter.
1844         Keep input sections when --section-ordering-file is used.
1845         (Output_section::set_final_data_size): Sort input sections when
1846         section ordering file is specified.
1847         (Output_section::Input_section_sort_entry): Add new parameter.
1848         Check sorting type.
1849         (Output_section::Input_section_sort_entry::compare_section_ordering):
1850         New method.
1851         (Output_section::Input_section_sort_compare::operator()): Change to
1852         consider section_order_index.
1853         (Output_section::Input_section_sort_init_fini_compare::operator()):
1854         Change to consider section_order_index.
1855         (Output_section::Input_section_sort_section_order_index_compare
1856         ::operator()): New method.
1857         (Output_section::sort_attached_input_sections): Change to sort
1858         according to section order when specified.
1859         (Output_section::add_input_section<32, true>): Add new parameter.
1860         (Output_section::add_input_section<64, true>): Add new parameter.
1861         (Output_section::add_input_section<32, false>): Add new parameter.
1862         (Output_section::add_input_section<64, false>): Add new parameter.
1863         * output.h (Output_section::add_input_section): Add new parameter.
1864         (Output_section::input_section_order_specified): New
1865         method.
1866         (Output_section::set_input_section_order_specified): New method.
1867         (Input_section::Input_section): Initialize section_order_index_.
1868         (Input_section::section_order_index): New method.
1869         (Input_section::set_section_order_index): New method.
1870         (Input_section::section_order_index_): New member.
1871         (Input_section::Input_section_sort_section_order_index_compare): New
1872         struct.
1873         (Output_section::input_section_order_specified_): New member.
1874         * script-sections.cc (is_wildcard_string): Delete and move modified
1875         method to gold.h.
1876         (Output_section_element_input::Output_section_element_input): Modify
1877         call to is_wildcard_string.
1878         (Output_section_element_input::Input_section_pattern
1879         ::Input_section_pattern): Ditto.
1880         (Output_section_element_input::Output_section_element_input): Ditto.
1881         * testsuite/Makefile.am (final_layout): New test case.
1882         * testsuite/Makefile.in: Regenerate.
1883         * testsuite/final_layout.cc: New file.
1884         * testsuite/final_layout.sh: New file.
1885
1886 2010-06-01  Rafael Espindola  <espindola@google.com>
1887
1888         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1889
1890 2010-06-01  Rafael Espindola  <espindola@google.com>
1891
1892         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1893         visibility of symbols.
1894
1895 2010-05-27  Doug Kwan  <dougkwan@google.com>
1896
1897         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1898         from start of output section instead of address for a local symbol
1899         in a merged or relaxed section when doing a relocatable link.
1900
1901 2010-05-26  Rafael Espindola  <espindola@google.com>
1902
1903        PR 11604
1904         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1905         adding sections the garbage collector removed.
1906         * gold/testsuite/Makefile.am: Add test.
1907         * gold/testsuite/Makefile.in: Regenerate.
1908         * gold/testsuite/plugin_test_7.sh: New.
1909         * gold/testsuite/plugin_test_7_1.c: New.
1910         * gold/testsuite/plugin_test_7_2.c: New.
1911
1912 2010-05-26  Rafael Espindola  <espindola@google.com>
1913
1914         * script-sections.cc (Output_section_definition::set_section_addresses):
1915         Check for --section-start.
1916
1917 2010-05-26  Doug Kwan  <dougkwan@google.com>
1918
1919         * arm.cc (Arm_scan_relocatable_relocs): New class.
1920         (Target_arm::relocate_special_relocatable): New method.
1921         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1922         (Arm_relocate_functions::thumb_branch_common): Same.
1923         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1924         instead of Default_scan_relocatable_relocs.
1925         * target-reloc.h (relocate_for_relocatable): Let target handle
1926         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1927         * target.h (Sized_target::relocate_special_relocatable): New method.
1928
1929 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1930
1931         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1932
1933 2010-05-23  Doug Kwan  <dougkwan@google.com>
1934
1935         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1936         instead of a cast.
1937         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1938         with a direct branch, not a conditional branch, to a stub.
1939         * merge.cc (Output_merge_base::record_input_section): New method
1940         defintion.
1941         (Output_merge_data::do_add_input_section): Record input section if
1942         keeps-input-sections flag is set.
1943         (Output_merge_string::do_add_input_section): Ditto.
1944         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1945         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1946         INPUT_SECTIONS_.
1947         (Output_merge_base::keeps_input_sections,
1948         Output_merge_base::set_keeps_input_sections,
1949         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1950         method definitions.
1951         (Output_merge_base::Input_sections): New type declaration.
1952         (Output_merge_base::input_sections_begin,
1953         Output_merge_base::input_sections_end,
1954         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1955         (Output_merge_base::bool keeps_input_sections_,
1956         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1957         Output_merge_base::input_sections_): New data members.
1958         (Output_merge_data::do_set_keeps_input_sections): New method
1959         defintion.
1960         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1961         * output.cc (Output_section::Input_section::relobj): Move method
1962         defintion from class declaration to here and handle merge sections.
1963         (Output_section::Input_section::shndx): Ditto.
1964         (Output_section::Output_section): Remove initializations of removed
1965         data members and initialize new data member LOOKUP_MAPS_.
1966         (Output_section::add_input_section): Set keeps-input-sections flag
1967         for a newly created merge output section as appropriate.  Adjust code
1968         to use Output_section_lookup_maps class.
1969         (Output_section::add_relaxed_input_section): Adjst code for lookup
1970         maps code refactoring.
1971         (Output_section::add_merge_input_section): Add a new parameter
1972         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1973         class.  If adding input section to a newly created merge output
1974         section fails, remove the new merge section.
1975         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1976         Adjust code for use of the Output_section_lookup_maps class.
1977         (Output_section::find_merge_section): Ditto.
1978         (Output_section::build_lookup_maps): New method defintion.
1979         (Output_section::find_relaxed_input_section): Adjust code to use
1980         Output_section_lookup_maps class.
1981         (Output_section::get_input_sections): Export merge sections.  Adjust
1982         code to use Output_section_lookup_maps class.
1983         (Output_section:::add_script_input_section): Adjust code to use
1984         Output_section_lookup_maps class.  Update lookup maps for merge
1985         sections also.
1986         (Output_section::discard_states): Use Output_section_lookup_maps.
1987         (Output_section::restore_states): Same.
1988         * output.h (Merge_section_properties): Move class defintion out of
1989         Output_section.
1990         (Output_section_lookup_maps): New class.
1991         (Output_section::Input_section::is_merge_section): New method
1992         defintion.
1993         (Output_section::Input_section::relobj): Move defintion out of class
1994         defintion.  Declare method only.
1995         (Output_section::Input_section::shndx): Ditto.
1996         (Output_section::Input_section::output_merge_base): New method defintion.
1997         (Output_section::Input_section::u2_.pomb): New union field.
1998         (Output_section::Merge_section_by_properties_map,
1999         Output_section::Output_section_data_by_input_section_map,
2000         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
2001         Remove types.
2002         (Output_section::add_merge_input_section): Add new parameter
2003         KEEPS_INPUT_SECTIONS.
2004         (Output_section::build_lookup_maps): New method declaration.
2005         (Output_section::merge_section_map_,
2006         Output_section::merge_section_by_properties_map_,
2007         Output_section::relaxed_input_section_map_,
2008         Output_section::is_relaxed_input_section_map_valid_): Remove data
2009         members.
2010         (Output_section::lookup_maps_): New data member.
2011
2012 2010-05-21  Doug Kwan  <dougkwan@google.com>
2013
2014         PR gold/11619
2015         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
2016         avoid a compilation error.
2017
2018 2010-05-19  Rafael Espindola  <espindola@google.com>
2019
2020         * script-sections.cc (Output_section_definition::allocate_to_segment):
2021         Update the phdrs_list even when the output section is NULL.
2022         * testsuite/Makefile.am: Add test.
2023         * testsuite/Makefile.in: Regenerate.
2024         * testsuite/script_test_9.cc: New.
2025         * testsuite/script_test_9.sh: New.
2026         * testsuite/script_test_9.t: New.
2027
2028 2010-05-19  Doug Kwan  <dougkwan@google.com>
2029
2030         * arm.cc (Arm_input_section::original_size): New method.
2031         (Arm_input_section::do_addralign): Add a cast.
2032         (Arm_input_section::do_output_offset): Remove static cast.
2033         (Arm_input_section::original_addralign,
2034          Arm_input_section::original_size_): Change type to uint32_t.
2035         (Arm_input_section::init): Add safe casts for section alignment
2036         and size.
2037         (Arm_input_section::set_final_data_size): Do not set address and
2038         offset of stub table.
2039         (Arm_output_section::fix_exidx_coverage): Change use of of
2040         Output_section::Simple_input_section to that of
2041         Output_section::Input_section.
2042         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
2043         except for the first pass.
2044         * output.cc (Output_section::get_input_sections): Change type of
2045         input_sections to std::list<Input_section>.
2046         (Output_section::add_script_input_section): Rename from
2047         Output_section::add_simple_input_section.  Change type of SIS
2048         parameter from Simple_input_section to Input_section.
2049         * output.h (Output_section::Simple_input_section): Remove class.
2050         (Output_section::Input_section): Change class visibility to public.
2051         (Output_section::Input_section::addralign): Use stored alignments
2052         for special input sections if set.
2053         (Output_section::Input_section::set_addralign): New method.
2054         (Output_section::get_input_sections): Change parameter type from
2055         list of Simple_input_section to list of Input_section.
2056         (Output_section::add_script_input_section): Rename from
2057         Output_section::add_simple_input_section. Change first parameter's
2058         type from Simple_input_section to Input_section and remove the
2059         second and third parameters.
2060         * script-sections.cc (Input_section::Input_section_list): Change
2061         type to list of Output_section::Input_section/
2062         (Input_section_info::Input_section_info): Change parameter type of
2063         INPUT_SECTION to Output_section::Input_section.
2064         (Input_section_info::input_section): Change return type.
2065         (Input_section_info::input_section_): Change type to
2066         Output_section::Input_section.
2067         (Output_section_element_input::set_section_addresses): Adjust code
2068         to use Output_section::Input_section instead of
2069         Output_section::Simple_input_section.  Adjust code for renaming
2070         of Output_section::add_simple_input_section.
2071         (Orphan_output_section::set_section_addresses): Ditto.
2072
2073 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2074
2075         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
2076         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
2077
2078 2010-05-18  Rafael Espindola  <espindola@google.com>
2079
2080         * options.cc (General_options::finalize): Handle -nostdlib.
2081         * options.h (nostdlib): New option.
2082         * script.cc (script_add_search_dir): Handle -nostdlib.
2083
2084 2010-05-12  Doug Kwan  <dougkwan@google.com>
2085
2086         * arm.cc (Target_arm::do_finalize_sections): Create an empty
2087         attributes section only if there no attributes section after merging.
2088         (Target_arm::merge_object_attributes): Move value of
2089         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
2090         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
2091         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
2092         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
2093         and arm_attr_merge_7.stdout.
2094         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
2095         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
2096         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
2097         arm_attr_merge_7b.o): New rules.
2098         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
2099         arm_attr_merge_7
2100         * testsuite/Makefile.in: Regenerate.
2101         * testsuite/arm_attr_merge.sh: New file.
2102         * testsuite/arm_attr_merge_[67][ab].s: Same.
2103
2104 2010-05-05  Nick Clifton  <nickc@redhat.com>
2105
2106         * po/es.po: Updated Spanish translation.
2107
2108 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2109
2110         * Makefile.am (install-exec-local): Properly install gold as
2111         default cross linker.
2112         * Makefile.in: Regenerated.
2113
2114 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2115             Nick Clifton  <nickc@redhat.com>
2116
2117         * configure.ac (install_as_default): Define and set to false
2118         unless --enable-gold or --enable-gold=both/gold has been
2119         specified.
2120         * configure: Regenerate.
2121
2122         * Makefile.am (install-exec-local): Install the executable as
2123         'ld.gold'.  If install_as_default is true then also install it as
2124         'ld'.
2125         * Makefile.in: Regenerated.
2126
2127 2010-04-24  Ian Lance Taylor  <iant@google.com>
2128
2129         * layout.cc (Layout::layout_reloc): In relocatable link don't
2130         combine reloc sections for grouped sections.
2131
2132 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
2133
2134         * gc.h (gc_process_relocs): Pass information on relocs pointing to
2135         sections that are not ordinary to icf.
2136         * icf.cc (get_section_contents): Handle relocation pointing to section
2137         with no object or shndx information.
2138         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
2139         * testsuite/Makefile.in: Regenerate.
2140         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
2141         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
2142
2143 2010-04-22  Ian Lance Taylor  <iant@google.com>
2144
2145         * expression.cc (Expression::Expression_eval_info): Add
2146         result_alignment_pointer field.
2147         (Expression::eval_with_dot): Add result_alignment_pointer
2148         parameter.  Change all callers.
2149         (Expression::eval_maybe_dot): Likewise.
2150         (class Binary_expression): Add alignment_pointer parameter to
2151         left_value and right_value.  Change all callers.
2152         (BINARY_EXPRESSION): Set result alignment.
2153         (class Trinary_expression): Add alignment_pointer parameter to
2154         arg2_value and arg3_value.  Change all callers.
2155         (Trinary_cond::value): Set result alignment.
2156         (Max_expression::value, Min_expression::value): Likewise.
2157         (Align_expression::value): Likewise.
2158         * script-sections.cc (class Sections_element): Add dot_alignment
2159         parameter to set_section_addresses virtual function.  Update
2160         instantiations.
2161         (class Output_section_element): Likewise.
2162         (Script_sections::create_segments): Add dot_alignment parameter.
2163         Change all callers.
2164         (Script_sections::create_segments_from_phdrs_clause): Likewise.
2165         (Script_sections::set_phdrs_clause_addresses): Likewise.
2166         * script-sections.h: Update declarations.
2167         * script.h: Update declarations.
2168         * output.h (Output_segment::set_minimum_p_align): Don't decrease
2169         min_p_align.
2170         * testsuite/script_test_3.t: Set large alignment.
2171         * testsuite/script_test_3.sh: Make sure that at least one LOAD
2172         segment has expected alignment.
2173
2174 2010-04-22  Nick Clifton  <nickc@redhat.com>
2175
2176         * po/gold.pot: Updated by the Translation project.
2177         * po/vi.po: Updated Vietnamese translation.
2178
2179 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
2180
2181         * testsuite/Makefile.am (check_PROGRAMS): Add
2182         icf_virtual_function_folding_test.
2183         * testsuite/Makefile.in: Regenerated.
2184
2185 2010-04-15  Andrew Haley  <aph@redhat.com>
2186
2187         * options.h (merge_exidx_entries): New option.
2188         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
2189         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
2190         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
2191         (Target_arm::merge_exidx_entries): New function.
2192         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
2193         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
2194         to Arm_exidx_fixup constructor.
2195         Add new arg, merge_exidx_entries.
2196         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
2197         Arm_output_section::fix_exidx_coverage.
2198
2199 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2200
2201         * icf.cc (get_section_contents): Check for preemptible functions.
2202         Ignore addend when appropriate.
2203         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2204         section folded.
2205         (add_from_relobj): Check for section folded.
2206         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2207         * symtab.h (should_add_dynsym_entry): Add new parameter.
2208         * target-reloc.h (scan_relocs): Check for section folded.
2209         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2210         Check reloc types for function pointers in shared objects.
2211         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2212         case.
2213         (icf_preemptible_functions_test): New test case.
2214         (icf_string_merge_test): New test case.
2215         * testsuite.Makefile.in: Regenerate.
2216         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2217         bar_glob.  Refactor code.
2218         * testsuite/icf_preemptible_functions_test.cc: New file.
2219         * testsuite/icf_preemptible_functions_test.sh: New file.
2220         * testsuite/icf_string_merge_test.cc: New file.
2221         * testsuite/icf_string_merge_test.sh: New file.
2222         * testsuite/icf_virtual_function_folding_test.cc: New file.
2223         * testsuite/icf_virtual_function_folding_test.sh: New file.
2224
2225 2010-04-14  Doug Kwan  <dougkwan@google.com>
2226
2227         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2228         for local symbol recounting if we remove a section due to ICF.
2229         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2230         there are no regular objects in input.
2231
2232 2010-04-13  Doug Kwan  <dougkwan@google.com>
2233
2234         * arm.cc (Arm_input_section::set_final_data_size): Compute
2235         accurate final data size instead of using current data size.
2236
2237 2010-04-09  Doug Kwan  <dougkwan@google.com>
2238
2239         * layout.cc (Layout::choose_output_section): Handle script section
2240         types.
2241         (Layout::make_output_section_for_script): Add section type parameter.
2242         Handle script section types.
2243         * layout.h (Layout::make_output_section_for_script): Add section
2244         type parameter.
2245         * output.cc (Output_section::Output_section): Initialize data member
2246         is_noload_.
2247         (Output_section::do_reset_address_and_file_offset): Do not set address
2248         to 0 if section is a NOLOAD section.
2249         * output.h (Output_section::is_noload): New method.
2250         (Output_section::set_is_noload): Ditto.
2251         (Output_section::is_noload_): New data member.
2252         * script-c.h (Script_section_type): New enum type.
2253         (struct Parser_output_section_header): Add new file section_type.
2254         * script-sections.cc (Sections_element::output_section_name): Add
2255         parameter for returning script section type.
2256         (Output_section_definition::output_section_name): Ditto.
2257         (Output_section_definition::section_type)P; New method.
2258         (Output_section_definiton::script_section_type_name): Ditto.
2259         (Output_section_definition::script_section_type_): New data member.
2260         (Output_section_definition::Output_section_definition): Initialize
2261         data member Output_section_definition::script_section_type_.
2262         (Output_section_definition::create_sections): Pass script section type
2263         to Layout::make_output_section_for_script.
2264         (Output_section_definition::output_section_name): Return script
2265         section type to caller.
2266         (Output_section_definition::set_section_address): Do not advance
2267         dot value and load address if section type is NOLOAD.  Set address
2268         of NOLOAD sections regardless of section flags.
2269         (Output_section_definition::print): Print section type if it is
2270         not SCRIPT_SECTION_TYPE_NONE.
2271         (Output_section_definition::section_type): New method.
2272         (Output_section_definition::script_section_type_name): Ditto.
2273         (Script_sections::output_section_name): Add new parameter
2274         PSECTION_TYPE for returning script section type.  Pass it to
2275         section elements.  Handle discard sections.
2276         (Sort_output_sections::operator()): Handle NOLOAD sections.
2277         * script-sections.h (Script_sections::Section_type): New enum type.
2278         (Script_sections::output_section_name): Add a new parameter for
2279         returning script section type.
2280         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2281         INFO and NOLOAD.
2282         * yyscript.y (union): Add new field SECTION_TYPE.
2283         (COPY, DSECT, INFO, NOLOAD): New tokens.
2284         (opt_address_and_section_type): Change type to output_section_header.
2285         (section_type): New non-terminal
2286         (section_header): Handle section type.
2287         (opt_address_and_section_type): Return section type value.
2288
2289 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2290
2291         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2292         * testsuite/plugin_common_test_2.c (foo): Likewise.
2293
2294 2010-04-08  Doug Kwan  <dougkwan@google.com>
2295
2296         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2297         Output_merge_data.
2298         * output.cc (Output_section::add_merge_input_section): Simplify
2299         code and return status of Output_merge_base::add_input_section.
2300         Update merge section map only if Output_merge_base::add_input_section
2301         returns true.
2302
2303 2010-04-07  Doug Kwan  <dougkwan@google.com>
2304
2305         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2306         if section is marked as containing instructions but has no mapping
2307         symbols.
2308         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2309         correct section index.
2310         (Arm_relobj::find_linked_text_section): Ditto.
2311
2312 2010-04-07  Cary Coutant  <ccoutant@google.com>
2313
2314         * archive.cc (include_member): Destroy Read_symbols_data object before
2315         releasing file.
2316         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2317         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2318         (Read_symbols_data::~Read_symbols_data) New destructor.
2319         (Section_relocs::Section_relocs) New constructor.
2320         (Section_relocs::~Section_relocs) New destructor.
2321         (Read_relocs_data::Read_relocs_data) New constructor.
2322         (Read_relocs_data::~Read_relocs_data) New destructor.
2323         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2324         pointers to NULL after deleting.
2325
2326 2010-04-07  Doug Kwan  <dougkwan@google.com>
2327
2328         * arm.cc: Replace "endianity" with "endianness" in comments.
2329         (Arm_exidx_cantunwind): Ditto.
2330         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2331         (Arm_relobj::merge_flags_and_attributes): New method.
2332         (Arm_relobj::merge_flags_and_attributes_): New data member.
2333         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2334         (Arm_relobj::scan_sections_for_stubs): Ditto.
2335         (Arm_relobj::do_read_symbols): Check to see if we really want to
2336         merge processor-specific flags and attributes.  Exit early if
2337         an object is empty except for section names and the undefined symbol.
2338         (Target_arm::do_finalize_sections): Move check for ELF format to
2339         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2340         attributes from a regular object only when we have determined that
2341         it is aapropriate.  Do not create an .ARM.attributes section in
2342         output if there is no regular input object.
2343         (Target_arm::merge_processor_specific_flags): Check
2344         --warn-mismatch before printing any error.
2345         (Target_arm::merge_object_attributes): Ditto.
2346         * gold.cc (queue_middle_tasks): Handle the case in which there is
2347         no regular object in input.
2348         * options.cc (General_options::parse_EB): New method.
2349         (General_options::parse_EL): Same.
2350         (General_options::General_options): Initialize endianness_.
2351         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2352         New options.
2353         (General_options::Endianness): New enum.
2354         (General_options::endianness): New method.
2355         (General_options::endianness_): New data member.
2356         * parameters.cc (Parameters::set_options): Check target endianness.
2357         (Parameters::set_target_once): Ditto.
2358         (Parameters::check_target_endianness): New method.
2359         (parameters_force_valid_target): If either -EL or -EB is specified,
2360         use it to define endianness of default target.
2361         * parameters.h (Parameters::check_target_endianness): New method
2362         declaration.
2363         * target.h (class Target): Change "endianity" to "endianness"
2364         in comments.
2365
2366 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2367
2368         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2369         * configure: Regenerate.
2370         * Makefile.in: Regenerate.
2371         * testsuite/Makefile.in: Regenerate.
2372
2373 2010-04-06  Cary Coutant  <ccoutant@google.com>
2374
2375         gcc PR lto/42757
2376         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2377         prevailing definitions of common symbols.
2378         * testsuite/plugin_test_6.sh: New test case.
2379         * testsuite/plugin_common_test_1.c: New test case.
2380         * testsuite/plugin_common_test_2.c: New test case.
2381         * testsuite/Makefile.am (plugin_test_6): New test case.
2382         * testsuite/Makefile.in: Regenerate.
2383
2384 2010-04-06  Nick Clifton  <nickc@redhat.com>
2385
2386         * po/vi.po: New Vietnamese translation.
2387
2388 2010-03-30  Doug Kwan  <dougkwan@google.com>
2389
2390         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2391
2392 2010-03-25  Doug Kwan  <dougkwan@google.com>
2393
2394         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2395         to avoid a conversion warning on a 32-bit host.
2396
2397 2010-03-24  Ian Lance Taylor  <iant@google.com>
2398
2399         * testsuite/script_test_3.t: Add a TLS segment.
2400         * testsuite/Makefile.am (check_PROGRAMS): Add
2401         tls_phdrs_script_test.
2402         (tls_phdrs_script_test_SOURCES): Define.
2403         (tls_phdrs_script_test_DEPENDENCIES): Define.
2404         (tls_phdrs_script_test_LDFLAGS): Define.
2405         (tls_phdrs_script_test_LDADD): Define.
2406         * testsuite/Makefile.in: Rebuild.
2407
2408 2010-03-23  Cary Coutant  <ccoutant@google.com>
2409
2410         * fileread.cc (find_or_make_view): Fix comment.
2411
2412 2010-03-23  Ian Lance Taylor  <iant@google.com>
2413
2414         * script-sections.cc (class Orphan_section_placement): Define
2415         PLACE_TLS and PLACE_TLS_BSS.
2416         (Orphan_section_placement::Orphan_section_placement): Initialize
2417         new places.
2418         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2419         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2420         (tls_script_test_SOURCES): Define.
2421         (tls_script_test_DEPENDENCIES): Define.
2422         (tls_script_test_LDFLAGS): Define.
2423         (tls_script_test_LDADD): Define.
2424         * testsuite/Makefile.in: Rebuild.
2425
2426 2010-03-22  Doug Kwan  <dougkwan@google.com>
2427
2428         * arm.cc (Arm_relocate_functions::abs8,
2429         Arm_relocate_functions::abs16): Use correct check for overflow
2430         specified in the ARM ELF specs.
2431         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2432         target of a BLX instruction specially.
2433         (Reloc_stub::stub_type_for_reloc): Ditto.
2434         (Relocate::relocate): Use symbolic names instead of numeric relocation
2435         codes to report error.
2436         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2437         workaround.
2438         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2439         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2440         thumb2_blx_out_of_range.stdout
2441         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2442         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2443         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2444         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2445         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2446         thumb2_blx_in_range, thumb2_blx_in_range.o,
2447         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2448         thumb2_blx_out_of_range.o): New rules.
2449         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2450         thumb2_blx_in_range and thumb2_blx_out_of_range.
2451         * testsuite/Makefile.in: Regenerate.
2452         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2453         * testsuite/thumb_blx_in_range.s: New file.
2454         * testsuite/thumb_blx_out_of_range.s: New file.
2455
2456 2010-03-22  Rafael Espindola  <espindola@google.com>
2457
2458         * archive.cc (Should_include): Move to archive.h.
2459         (should_include_member): Make it a member of Archive.
2460         (Lib_group): New.
2461         (Add_lib_group_symbols): New.
2462         * archive.h: Include options.h.
2463         (Archive_member): Moved from Archive.
2464         (Should_include): Moved from archive.cc.
2465         (Lib_group): New.
2466         (Add_lib_group_symbols): New.
2467         * dynobj.cc (do_should_include_member): New.
2468         * dynobj.h (do_should_include_member): New.
2469         * gold.cc (queue_initial_tasks): Update call to queue.
2470         * main.cc (main): Print lib group stats.
2471         * object.cc (do_should_include_member): New.
2472         * object.h: Include archive.h.
2473         (Object::should_include_member): New.
2474         (Object::do_should_include_member): New.
2475         (Sized_relobj::do_should_include_member): New.
2476         * options.cc (General_options::parse_start_lib): New.
2477         (General_options::parse_end_lib): New.
2478         (Input_arguments::add_file): Handle lib groups.
2479         (Input_arguments::start_group): Check we are not in a lib.
2480         (Input_arguments::start_lib): New.
2481         (Input_arguments::end_lib): New.
2482         * options.h (General_options): Add start_lib and end_lib.
2483         (Input_argument::lib_): New.
2484         (Input_argument::lib): New.
2485         (Input_argument::is_lib): New.
2486         (Input_file_lib): New.
2487         (Input_arguments::in_lib_): New.
2488         (Input_arguments::in_lib): New.
2489         (Input_arguments::start_lib): New.
2490         (Input_arguments::end_lib_): New.
2491         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2492         in unused members as preempted.
2493         (Sized_pluginobj::do_should_include_member): New.
2494         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2495         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2496         return the blocker.
2497         (Read_symbols::do_whole_lib_group): New.
2498         (Read_symbols::do_lib_group): New.
2499         (Read_symbols::do_read_symbols): Handle lib groups.
2500         (Read_symbols::get_name): Handle lib groups.
2501         * readsyms.h (Read_symbols): Add an archive member pointer.
2502         (Read_symbols::do_whole_lib_group): New.
2503         (Read_symbols::do_lib_group): New.
2504         (Read_symbols::member_): New.
2505         * script.cc (read_input_script): Update call to queue_soon.
2506
2507 2010-03-19  Doug Kwan  <dougkwan@google.com>
2508
2509         * arm.cc (Stub_table::Stub_table): Initialize new data members
2510         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2511         (Stub_table::add_reloc_stub): Assign stub offset and update
2512         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2513         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2514         New data members.
2515         (Stub_table::update_data_size_and_addralign): Use
2516         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2517         instead of going over all reloc stubs.
2518         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2519         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2520         Stringpool_template::offset_ to size of Stringpool_char.
2521         (Stringpool_template::new_key_offset): Remove code to initialize
2522         Stringpool_template::offset_.
2523         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2524         Stringpool_template::offset_ to zero.
2525
2526 2010-03-15  Doug Kwan  <dougkwan@google.com>
2527
2528         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2529         offset_.
2530         (Stringpool_template::new_key_offset): New method.
2531         (Stringpool_template::add_string): Assign offsets when adding new
2532         strings.
2533         (Stringpool_template::set_string_offsets): Do not set string offsets
2534         when not optimizing.
2535         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2536         member size_.
2537         (Chunked_vector::clear): Clear size_.
2538         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2539         (Chunked_vector::size): Return size_.
2540         (Chunked_vector::push_back): Use size_ to find insert position.
2541         (Chunked_vector::size_): New data member.
2542         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2543         (Stringpool_template::new_key_offset): New method declaration.
2544         (Stringpool_template::offset_): New data member.
2545
2546 2010-03-15   Rafael Espindola  <espindola@google.com>
2547
2548         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2549         Add_symbols' constructor.
2550         * readsyms.h (Add_symbols): Remove the input_group member.
2551
2552 2010-03-10  Ian Lance Taylor  <iant@google.com>
2553
2554         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2555         target to ask whether a reference to a symbol requires a stack
2556         split.
2557         * target.h (Target::is_call_to_non_split): New function.
2558         (Target::do_is_call_to_non_split): Declare virtual function.
2559         * target.cc: Include "symtab.h".
2560         (Target::do_is_call_to_non_split): New function.
2561         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2562
2563 2010-03-10  Cary Coutant  <ccoutant@google.com>
2564
2565         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2566         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2567         (File_read::open[2]): Add whole_file_view_ to list of views.
2568         (File_read::make_view): Remove test of whole_file_view_.
2569         (File_read::find_or_make_view): Create whole_file_view_ if
2570         necessary.
2571         (File_read::clear_views): Replace bool parameter with enum;
2572         adjust all callers.  Don't delete views with permanent data;
2573         do delete cached views and views from archives if
2574         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2575         if clearing the corresponding view.
2576         * fileread.h (File_read::Clear_views_mode): New enum.
2577         (File_read::View::is_permanent_view): New method.
2578         (File_read::clear_views): Replace bool parameter
2579         with enum; adjust all callers.
2580         * options.h (General_options): Change keep_files_mapped option;
2581         add map_whole_files.
2582         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2583         releasing the file.
2584         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2585         the file.
2586
2587 2010-03-10  David S. Miller  <davem@davemloft.net>
2588
2589         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2590
2591 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2592
2593         * icf.cc (get_section_contents): Add '@' marker after processing the
2594         merge reloc.
2595
2596 2010-03-08  Doug Kwan  <dougkwan@google.com>
2597
2598         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2599         due to a conversion warning.
2600         (Arm_relobj::update_output_local_symbol_count): Check for local
2601         symbol with unset output index.
2602
2603 2010-03-05  Ian Lance Taylor  <iant@google.com>
2604
2605         * options.h (class General_options): Add --spare-dynamic-tags.
2606         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2607         --spare-dynamic-tags.
2608
2609 2010-03-05  Ian Lance Taylor  <iant@google.com>
2610
2611         * incremental.cc: Include "libiberty.h".
2612
2613 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2614
2615         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2616         function, is_info_ member.
2617         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2618         (Versions::Versions): Update caller.
2619         (Versions::define_base_version): Likewise.
2620         (Versions::add_def): Likewise.
2621
2622 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2623
2624         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2625         (Scan::possible_function_pointer_reloc): New function.
2626         (Scan::local_reloc_may_be_function_pointer): Change to call
2627         possible_function_pointer_reloc.
2628         (Scan::global_reloc_may_be_function_pointer): Ditto.
2629         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2630         relocations in ".data.rel.ro._ZTV" section.
2631         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2632         * testsuite/icf_safe_so_test.cc: Ditto.
2633         * testsuite/icf_safe_test.cc: Ditto.
2634         * testsuite/icf_safe_test.sh: Ditto.
2635
2636 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2637             Ian Lance Taylor  <iant@google.com>
2638
2639         * target-reloc.h (relocate_section): Check the symbol table index
2640         for -1U before setting the local symbol index.
2641         (scan_relocatable_relocs): If copying the relocation, record that
2642         the local symbol is required.
2643         * object.h (Symbol_value::is_output_symtab_index_set): New
2644         function.
2645         (Symbol_value::may_be_discarded_from_output_symtab): New
2646         function.
2647         (Symbol_value::has_output_symtab_entry): New function.
2648         (Symbol_value::needs_output_symtab_entry): Remove.
2649         (Symbol_value::output_symtab_index): Make sure the symbol index is
2650         set.
2651         (Symbol_value::set_output_symtab_index): Make sure the symbol
2652         index is not set.  Make sure the new index is valid.
2653         (Symbol_value::set_must_have_output_symtab_entry): New function.
2654         (Symbol_value::has_output_dynsym_entry): New function.
2655         (Symbol_value::set_output_dynsym_index): Make sure the new index
2656         is valid.
2657         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2658         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2659         local symbol if permitted.
2660         (Sized_relobj::do_finalize_local_symbols): Call
2661         is_output_symtab_index_set rather than needs_output_symtab_entry.
2662         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2663         rather than needs_output_symtab_entry.  Call
2664         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2665         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2666         is_output_symtab_index_set rather than needs_output_symtab_entry.
2667         * testsuite/discard_locals_relocatable_test.c: New file.
2668         * testsuite/discard_locals_test.sh: Test -r.
2669         * testsuite/Makefile.am (check_DATA): Add
2670         discard_locals_relocatable_test1.syms,
2671         discard_local_relocatable_test2.syms.
2672         (MOSTLYCLEANFILES): Likewise.  Also add
2673         discard_locals_relocatable_test1.lout and
2674         discard_locals_relocatable_test2.out.
2675         (discard_locals_relocatable_test1.syms): New target.
2676         (discard_locals_relocatable_test.o): New target.
2677         (discard_locals_relocatable_test1.out): New target.
2678         (discard_locals_relocatable_test2.syms): New target.
2679         (discard_locals_relocatable_test2.out): New target.
2680         (various): Add missing ../ld-new dependencies.
2681         * testsuite/Makefile.in: Rebuild.
2682
2683 2010-03-03  Nick Clifton  <nickc@redhat.com>
2684
2685         * po/fi.po: New Finnish translation.
2686
2687 2010-03-01  Doug Kwan  <dougkwan@google.com>
2688
2689         * layout.cc (Layout::Layout): Force section types of .init_array*,
2690         .preinit_array* and .fini_array* sections.
2691         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2692         Fix check of return value of std::string::find.().
2693         (Output_section::Input_section_sort_compare::operator()): Remove
2694         comment about .init_array.
2695         (Output_section::Input_section_sort_init_fini_compare::operator()):
2696         New method.
2697         (Output_section::sort_attached_input_sections): Handle .init_array
2698         and .fini_array specially.
2699         * output.h (Output_section::Inut_section_sort_compare): Update
2700         comment.
2701         (Output_section::Input_section_sort_init_fini_compare): New struct.
2702
2703 2010-02-26  Doug Kwan  <dougkwan@google.com>
2704
2705         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2706         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2707         * testsuite/debug_msg.sh: Avoid matching source line number for
2708         use of global variable undef_int.
2709
2710 2010-02-26  Doug Kwan  <dougkwan@google.com>
2711
2712         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2713         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2714         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2715         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2716         * options.cc (General_options::General_options): Initialize member
2717         fix_v4bx_.
2718         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2719         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2720         and rm_no_fix_v4bx.stdout
2721         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2722         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2723         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2724         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2725         and arm_no_fix_v4bx.
2726         * Makefile.in: Regenerate.
2727         * testsuite/arm_fix_v4bx.s: New file.
2728         * testsuite/arm_fix_v4bx.sh: Ditto.
2729
2730 2010-02-24  Doug Kwan  <dougkwan@google.com>
2731
2732         * arm.cc (Target_arm::got_section): Make the .got section the first
2733         non RELRO section in the data segment.
2734         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2735         suffixes of section names.
2736
2737 2010-02-24  Doug Kwan  <dougkwan@google.com>
2738
2739         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2740         flags and attributes merging if an input file is a binary file.
2741         * fileread.cc (Input_file::open): Record format of original file.
2742         * fileread.h (Input_file::Format): New enum type.
2743         (Input_file::Input_file): Initialize data member format_.
2744         (Input_file::format): New method definition.
2745         (Input_file::format_):: New data member.
2746
2747 2010-02-24  Doug Kwan  <dougkwan@google.com>
2748
2749         * arm.cc (Arm_output_data_got): New class.
2750         (ARM_TCB_SIZE): New constant
2751         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2752         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2753         If user uses a script with a SECTIONS clause, issue only a warning
2754         for a misplaced EXIDX input section.  Otherwise, issue an error.
2755         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2756         garbage collection.
2757         (Target_arm::got_mode_index_entry): Handle static linking.
2758         (Target_arm::Scan::local): Ditto.
2759         (Target_arm::Scan::global): Ditto.
2760         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2761         all incorrectly implemented relocations.
2762         (Target_arm::fix_exidx_coverage): Pass layout to
2763         Arm_output_section::fix_exidx_coverage.
2764         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2765         from ".ARM.exidx." and ".ARM.extab.".
2766
2767 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2768
2769         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2770         section if it does not already exist.
2771         * attributes.cc (Attributes_section_data::Attributes_section_data):
2772         Don't crash if size is zero.
2773
2774 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2775             Ian Lance Taylor  <iant@google.com>
2776
2777         * gold.cc (queue_middle_tasks): If no input files were opened,
2778         exit.
2779         * workqueue.h (Task_function::Task_function): Assert that there is
2780         a blocker.
2781
2782 2010-02-22  Doug Kwan  <dougkwan@google.com>
2783
2784         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2785         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2786         types to avoid warnings due to different uint64_t implementations
2787         on different hosts.
2788
2789 2010-02-21  Doug Kwan  <dougkwan@google.com>
2790
2791         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2792         handling of the maximum backward branch offset.
2793         (Arm_relocate_functions::thumb_branch_common): Ditto.
2794         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2795         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2796         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2797         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2798         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2799         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2800         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2801         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2802         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2803         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2804         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2805         thumb2_bl_out_of_range.o): New rules.
2806         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2807         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2808         thumb2_bl_out_of_range
2809         * testsuite/Makefile.in: Regenerate.
2810         * testsuite/arm_bl_in_range.s: New file.
2811         * testsuite/arm_bl_out_of_range.s: Ditto.
2812         * testsuite/arm_branch_in_range.sh: Ditto.
2813         * testsuite/arm_branch_range.t: Ditto.
2814         * testsuite/thumb2_branch_range.t: Ditto.
2815         * testsuite/thumb_bl_in_range.s: Ditto.
2816         * testsuite/thumb_bl_out_of_range.s: Ditto.
2817         * testsuite/thumb_branch_range.t: Ditto.
2818
2819 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2820
2821         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2822         Add reloc offset information.
2823         * icf.cc (get_section_contents): Change iterators to point to the new
2824         vectors. Add reloc offset information to the contents.
2825         * icf.h (Icf::Sections_reachable_info): New typedef.
2826         (Icf::Sections_reachable_list): New typedef.
2827         (Icf::Offset_info): New typedef.
2828         (Icf::Reloc_info): New struct typedef.
2829         (Icf::Reloc_info_list): New typedef.
2830         (Icf::symbol_reloc_list): Delete method.
2831         (Icf::addend_reloc_list): Delete method.
2832         (Icf::section_reloc_list): Delete method.
2833         (Icf::reloc_info_list): New method.
2834         (Icf::reloc_info_list_): New member.
2835
2836 2010-02-19  Doug Kwan  <dougkwan@google.com>
2837
2838         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2839         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2840         * arm.cc (Arm_relocation_functions): New forward declaration.
2841         (Target_arm::Target_arm): Initialize new data members
2842         got_mod_index_offset_ and tls_base_symbol_defined_.
2843         (Target_arm::Relocate::relocate_tls): New method.
2844         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2845          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2846         New methods.
2847         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2848         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2849         (Target_arm::got_mod_index_offset_,
2850         Target_arm::tls_base_symbol_defined_): New data members.
2851         (Target_arm::Scan::local, Target::Scan::global,
2852         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2853         relocations.
2854
2855 2010-02-18  Doug Kwan  <dougkwan@google.com>
2856
2857         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2858         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2859         text section as a parameter becuase some broken tools may not set
2860         the link in section header.
2861         (Target_arm::has_got_section): New method.
2862         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2863         without any mapping symbol as data only.  Remove warning.
2864         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2865         link in its section header, try to discover the link by inspecting the
2866         REL31 relocation at the beginning of the section.
2867         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2868         in error message.
2869         (Target_arm::Scan::global): Treat any reference to the symbol
2870         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2871
2872 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2873
2874         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2875         (Scan::global_reloc_may_be_function_pointer): New function.
2876         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2877         (Scan::global_reloc_may_be_function_pointer): New function.
2878         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2879         (Scan::global_reloc_may_be_function_pointer): New function.
2880         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2881         (Scan::global_reloc_may_be_function_pointer): New function.
2882         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2883         (Scan::global_reloc_may_be_function_pointer): New function.
2884         (Scan::possible_function_pointer_reloc): New function.
2885         (Target_x86_64::can_check_for_function_pointers): New function.
2886         * gc.h (gc_process_relocs): Scan relocation types to determine if
2887         function pointers were taken for targets that support it.
2888         * icf.cc (Icf::find_identical_sections): Include functions for
2889         folding in safe ICF whose pointer is not taken.
2890         * icf.h (Secn_fptr_taken_set): New typedef.
2891         (fptr_section_id_): New member.
2892         (section_has_function_pointers): New function.
2893         (set_section_has_function_pointers): New function.
2894         (check_section_for_function_pointers): New function.
2895         * options.h: Fix comment for safe ICF option.
2896         * target.h (can_check_for_function_pointers): New function.
2897         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2898         Modify icf_safe_test for X86-64.
2899         * testsuite/Makefile.in: Regenerate.
2900         * testsuite/icf_safe_so_test.cc: New file.
2901         * testsuite/icf_safe_so_test.sh: New file.
2902         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2903         (main): Change to take pointer to function kept_func_3.
2904         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2905         folding is done correctly for X86-64.
2906
2907 2010-02-12  David S. Miller  <davem@davemloft.net>
2908
2909         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2910         is_symbolless parameter.
2911         (Output_reloc<SHT_REL>::is_symbolless): New.
2912         (Output_reloc<SHT_REL>::is_symbolless_): New.
2913         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2914         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2915         (Output_reloc<SHT_RELA>::is_symbolless): New.
2916         (Output_data_reloc::add_global): Handle is_symbolless.
2917         (Output_data_reloc::add_global_relative): Likewise.
2918         (Output_data_reloc::add_local): Likewise.
2919         (Output_data_reloc::add_local_relative): Likewise.
2920         (Output_data_reloc::add_symbolless_global_addend): New.
2921         (Output_data_reloc::add_symbolless_local_addend): New.
2922         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2923         is_symbolless.
2924         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2925         instead of ->is_relative_
2926         (Output_reloc::write): Likewise.
2927         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2928         (Output_reloc::write_rel): Simplify.
2929
2930         * sparc.cc (Target_sparc::Scan::local): Use
2931         ->add_symbolless_local_addend as needed.
2932         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2933         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2934         based upon relocation offset.
2935
2936 2010-02-11  Doug Kwan  <dougkwan@google.com>
2937
2938         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2939         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2940         beginning of function.
2941         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2942         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2943         parameter is_32bit in calls to should_apply_static_reloc.
2944         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2945         (check_DATA): Add arm_abs_global.stdout.
2946         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2947         arm_abs_global.stdout): New rules.
2948         (MOSTLLYCLEANFILES): Add arm_abs_global
2949         * Makefile.in: Regenerate.
2950         * testsuite/arm_abs_global.s: New file.
2951         * testsuite/arm_abs_global.sh: Ditto.
2952         * testsuite/arm_abs_lib.s: Ditto.
2953
2954 2010-02-11  Ian Lance Taylor  <iant@google.com>
2955
2956         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2957         Read_relocs task.
2958         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2959         Allocate_commons_task first.
2960         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2961         task, rather than symtab_lock_.
2962         (Gc_process_relocs::~Gc_process_relocs): New function.
2963         (Gc_process_relocs::is_runnable): Check this_blocker_.
2964         (Gc_process_relocs::locks): Use next_blocker_ rather than
2965         blocker_.
2966         (Scan_relocs::~Scan_relocs): New function.
2967         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2968         symtab_lock_.
2969         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2970         next_blocker_.
2971         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2972         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2973         constructor accordingly.
2974         (class Gc_process_relocs): Likewise.
2975         (class Scan_relocs): Likewise.
2976         * common.h (class Allocate_commons_task): Remove symtab_lock_
2977         field, and corresponding constructor parameter.
2978         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2979         symtab_lock_.
2980         (Allocate_commons_task::locks): Likewise.
2981
2982 2010-02-11  Ian Lance Taylor  <iant@google.com>
2983
2984         * gold-threads.h (class Once): Define.
2985         (class Initialize_lock): Rewrite as child of Once.
2986         * gold-threads.cc (class Once_initialize): Define.
2987         (once_pointer_control): New static variable.
2988         (once_pointer, once_arg): New static variables.
2989         (c_run_once): New static function.
2990         (Once::Once, Once::run_once, Once::internal_run): New functions.
2991         (class Initialize_lock_once): Remove.
2992         (initialize_lock_control): Remove.
2993         (initialize_lock_pointer): Remove.
2994         (initialize_lock_once): Remove.
2995         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2996         (Initialize_lock::initialize): Rewrite.
2997         (Initialize_lock::do_run_once): New function.
2998         * archive.cc (Archive::interpret_header): Only clear name if it is
2999         not already empty.
3000         * fileread.cc: Include "gold-threads.h"
3001         (file_counts_lock): New static variable.
3002         (file_counts_initialize_lock): Likewise.
3003         (File_read::release): Only increment counts when using --stats.
3004         Use a lock around the increment.
3005         * parameters.cc (class Set_parameters_target_once): Define.
3006         (set_parameters_target_once): New static variable.
3007         (Parameters::Parameters): Move here from parameters.h.
3008         (Parameters::set_target): Rewrite.
3009         (Parameters::set_target_once): New function.
3010         (Parameters::clear_target): Move here and rewrite.
3011         * parameters.h (class Parameters): Update declarations.  Add
3012         set_parameters_target_once_ field.
3013         (Parameters::Parameters): Move to parameters.cc.
3014         (Parameters::clear_target): Likewise.
3015         * readsyms.cc (Read_symbols::do_group): Create a Start_group
3016         task.
3017         (Start_group::~Start_group): New function.
3018         (Start_group::is_runnable): New function.
3019         (Start_group::locks, Start_group::run): New functions.
3020         (Finish_group::run): Change saw_undefined to size_t.
3021         * readsyms.h (class Start_group): Define.
3022         (class Finish_group): Change saw_undefined_ field to size_t.
3023         (Finish_group::Finish_group): Remove saw_undefined and
3024         this_blocker parameters.  Change all callers.
3025         (Finish_group::set_saw_undefined): New function.
3026         (Finish_group::set_blocker): New function.
3027         * symtab.h (class Symbol_table): Change saw_undefined to return
3028         size_t.  Change saw_undefined_ field to size_t.
3029         * target-select.cc (Set_target_once::do_run_once): New function.
3030         (Target_selector::Target_selector): Initialize set_target_once_
3031         field.  Don't initialize lock_ and initialize_lock_ fields.
3032         (Target_selector::instantiate_target): Rewrite.
3033         (Target_selector::set_target): New function.
3034         * target-select.h (class Set_target_once): Define.
3035         (class Target_selector): Update declarations.  Make
3036         Set_target_once a friend.  Remove lock_ and initialize_lock_
3037         fields.  Add set_target_once_ field.
3038
3039 2010-02-10  Ian Lance Taylor  <iant@google.com>
3040
3041         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
3042         queueing any tasks.
3043         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
3044         (queue_middle_tasks): Add all blockers before queueing any tasks.
3045         (queue_final_tasks): Likewise.
3046         * token.h (Task_token::add_blockers): New function.
3047         * object.h (Input_objects::number_of_relobjs): New function.
3048
3049 2010-02-10  Ian Lance Taylor  <iant@google.com>
3050
3051         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
3052         shared, not if not position independent.
3053         * x86_64.cc (Relocate::relocate_tls): Likewise.
3054         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
3055         (tls_pie_pic_test): New target.
3056         * testsuite/Makefile.in: Rebuild.
3057
3058         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
3059         (tls_test_main_pie.o, tls_test_pie.o): New targets.
3060         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
3061         * testsuite/Makefile.in: Rebuild.
3062
3063 2010-02-09  David S. Miller  <davem@davemloft.net>
3064
3065         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
3066         R_SPARC_RELATIVE using ->add_local_relative().
3067         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
3068
3069         * output.h (Output_data_dynamic::add_section_size): New method
3070         that takes two Output_data objects.
3071         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
3072         entry param.  Handle it in initializers.
3073         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
3074         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
3075         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
3076         arg.
3077         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
3078         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
3079         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
3080         for dynrel_includes_plt.
3081         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3082         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3083         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
3084         before .rela.plt
3085         (Target_sparc::do_finalize_sections): Update to pass true for
3086         dynrel_includes_plt.
3087         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
3088         output before .rela.plt
3089         (Target_powerpc::do_finalize_sections): Update to pass true for
3090         dynrel_includes_plt when 32-bit.
3091
3092 2010-02-08  Doug Kwan  <dougkwan@google.com>
3093
3094         * arm.cc (Arm_relobj::simple_input_section_output_address): New
3095         method.
3096         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
3097         Arm_relobj::scan_section_for_cortex_a8_stubs,
3098         Arm_relobj::do_relocation_section): Instead of calling
3099         Output_section::output_address, use faster
3100         Arm_relobj::simple_input_section_output_address.
3101
3102 2010-02-08  David S. Miller  <davem@davemloft.net>
3103
3104         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
3105         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
3106         relocation helper function.
3107
3108         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
3109         just like R_SPARC_GOT{10,13,22}.
3110         (Target_sparc::Scan::local): Likewise.
3111         (Target_sparc::Relocate:relocate): Likewise.
3112
3113 2010-02-06  Ian Lance Taylor  <iant@google.com>
3114
3115         * configure.ac: Rewrite targetobjs duplicate removal code to use
3116         only shell constructs.
3117         * configure: Rebuild.
3118
3119 2010-02-05  Doug Kwan  <dougkwan@google.com>
3120
3121         PR 11247
3122         * arm.cc (Arm_relobj::section_is_scannable): New method.
3123         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
3124         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
3125
3126 2010-02-04  Doug Kwan  <dougkwan@google.com>
3127
3128         PR 11247
3129         * arm-reloc-property.cc (cstdio): Include.
3130         * configure.ac (targetobjs): Remove duplicates.
3131         * configure: Regenerate.
3132         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
3133         big and little endian version for a given address size.
3134
3135 2010-02-03  Doug Kwan  <dougkwan@google.com>
3136
3137         * arm-reloc-property.cc
3138         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3139         definition.
3140         * arm-reloc-property.h
3141         (Arm_reloc_property_table::get_implemented_static_reloc_property):
3142         New method definition.
3143         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3144         declaration.
3145         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
3146         overflow to N.
3147         (GOT_PREL): Change implemented to Y.
3148         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
3149         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
3150         (Arm_relocate_functions::movw_abs_nc): Remove method.
3151         (Arm_relocate_functions::movt_abs): Ditto.
3152         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
3153         (Arm_relocate_functions::thm_movt_abs): Ditto.
3154         (Arm_relocate_functions::movw_rel_nc): Ditto.
3155         (Arm_relocate_functions::movw_rel): Ditto.
3156         (Arm_relocate_functions::movt_rel): Ditto.
3157         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
3158         (Arm_relocate_functions:thm_movw_rel): Ditto.
3159         (Arm_relocate_functions:thm_movt_rel): Ditto.
3160         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
3161         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
3162         New method definitions.
3163         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
3164         (Arm_relocation_functions::arm_grp_ldr): Ditto.
3165         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
3166         (Arm_relocation_functions::arm_grp_ldc): Ditto.
3167         (Target_arm::Relocate::relocate): Check for non-static or
3168         unimplemented relocation code and exit early.  Change calls to
3169         Target_arm::reloc_uses_thumb_bit and
3170         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
3171         instead.  Refactor code to handle similar relocations to increase
3172         code sharing.  Remove check for unsupported relocation code in switch
3173         statement.
3174         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
3175         relocation property table to find out size.  Change error message to
3176         print out the name of a relocation code instead of the numeric value.
3177         (Target_arm::scan_reloc_for_stub): Use relocation property table
3178         instead of calling Target_arm::reloc_uses_thumb_bit().
3179
3180 2010-02-02  Doug Kwan  <dougkwan@google.com>
3181
3182         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
3183         types of relaxed input section.
3184
3185 2010-02-02  Doug Kwan  <dougkwan@google.com>
3186
3187         * Makefile.am (HFILES): Add arm-reloc-property.h.
3188         (DEFFILES): New.
3189         (TARGETSOURCES): Add arm-reloc-property.cc
3190         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
3191         (libgold_a_SOURCES): $(DEFFILES)
3192         * Makefile.in: Regenerate.
3193         * arm-reloc-property.cc: New file.
3194         * arm-reloc-property.h: New file.
3195         * arm-reloc.def: New file.
3196         * arm.cc: Update comments.
3197         (arm-reloc-property.h): New included header.
3198         (arm_reloc_property_table): New global variable.
3199         (Target_arm::do_select_as_default_target): New method definition.
3200         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3201         arm-reloc-property to targ_extra_obj.
3202         * parameters.cc (set_parameters_target): Call
3203         Target::select_as_default_target().
3204         * target.h (Target::select_as_default_target): New method definition.
3205         (Target::do_select_as_default_target): Same.
3206
3207 2010-02-01  Doug Kwan  <dougkwan@google.com>
3208
3209         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3210         first_output_text_section_.
3211         (Arm_exidx_fixup::first_output_text_section): New method definition.
3212         (Arm_exidx_fixup::first_output_text_section_): New data member.
3213         (Arm_exidx_fixup::process_exidx_section): Record the first text
3214         output section seen.
3215         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3216         and entsize in output section header.
3217
3218 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3219
3220         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3221         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3222         (Arm_relocate_functions::thm_alu11): New Method.
3223         (Arm_relocate_functions::thm_pc8): New Method.
3224         (Arm_relocate_functions::thm_pc12): New Method.
3225         (Target_arm::Scan::local): Handle the relocations.
3226         (Target_arm::Scan::global): Likewise.
3227         (Target_arm::Relocate::relocate): Likewise.
3228         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3229
3230 2010-01-29  Doug Kwan  <dougkwan@google.com>
3231
3232         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3233         of relocation types as ld.
3234
3235 2010-01-29  Doug Kwan  <dougkwan@google.com>
3236
3237         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3238         to public.
3239         (Arm_relocate_functions::thumb_branch_common): Ditto.
3240         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3241         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3242         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3243         Arm_relocate_functions::jump24): Remove.
3244         (Target_arm::Relocate::relocate): Adjust code to call
3245         Arm_relocation_functions::arm_branch_common and
3246         Arm_relocation_functions::thumb_branch_common instead of their removed
3247         wrappers.  Merge switch-cases together to reduce source code size.
3248
3249 2010-01-29  Doug Kwan  <dougkwan@google.com>
3250
3251         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3252         output_local_symbol_count_needs_update_.
3253         (Arm_relobj::output_local_symbol_count_needs_update,
3254          Arm_relobj::set_output_local_symbol_count_needs_update,
3255          Arm_relobj::update_output_local_symbol_count): New methods.
3256         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3257         member.
3258         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3259         of pointed function as in a R_ARM_PREL31 relocation.
3260         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3261         for output local symbol count updating.
3262         (Target_arm::do_relax): Update output local symbol counts in objects
3263         if necessary.
3264         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3265
3266 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3267
3268         * arm.cc: Added support for the ARM relocations:
3269         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3270         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3271         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3272         movw_prel_nc).
3273         (Arm_relocate_functions::movw_rel): New method.
3274         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3275         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3276         thm_movw_prel_nc).
3277         (Arm_relocate_functions::thm_movw_rel): New method.
3278         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3279         thm_movt_prel).
3280         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3281         relocations.
3282         (Target_arm::Scan::global): Likewise.
3283         (Target_arm::Relocate::relocate): Likewise.
3284         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3285         Likewise.
3286
3287 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3288
3289         * arm.cc: Added support for ARM group relocations.
3290         (Target_arm::reloc_needs_sym_origin): New method.
3291         (Arm_relocate_functions::calc_grp_kn): New method.
3292         (Arm_relocate_functions::calc_grp_residual): New method.
3293         (Arm_relocate_functions::calc_grp_gn): New method.
3294         (Arm_relocate_functions::arm_grp_alu): New Method.
3295         (Arm_relocate_functions::arm_grp_ldr): New Method.
3296         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3297         (Arm_relocate_functions::arm_grp_ldc): New Method.
3298         (Target_arm::Scan::local): Handle the ARM group relocations.
3299         (Target_arm::Scan::global): Likewise.
3300         (Target_arm::Relocate::relocate): Likewise.
3301         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3302         Likewise.
3303
3304 2010-01-26  Doug Kwan  <dougkwan@google.com>
3305
3306         * arm.cc (set): Include.
3307         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3308         pointer type.
3309         (Arm_output_section::Text_section_list): New type.
3310         (Arm_output_section::append_text_sections_to_list): New method.
3311         (Arm_output_section::fix_exidx_coverage): Ditto.
3312         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3313         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3314         Relobj::set_section_offset() instead of
3315         Sized_relobj::invalidate_section_offset().
3316         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3317         parameter for section headers. Ignore relocation sections for
3318         unallocated sections and EXIDX sections.
3319         (Target_arm::fix_exidx_coverage): New method.
3320         (Target_arm::output_section_address_less_than): New type.
3321         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3322         linked text section instead of the EXIDX section.
3323         (Arm_output_section::create_stub_group): Add an assertion to check
3324         that this is not an EXIDX output section.
3325         (Arm_output_section::append_text_sections_to_list): New method.
3326         (Arm_output_section::fix_exidx_coverage): Ditto.
3327         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3328         Arm_relobj::section_needs_reloc_stub_scanning.
3329         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3330         first pass.
3331         (Target_arm::fix_exidx_coverage): New method.
3332         * object.h (Relobj::set_output_section): New method.
3333         (Sized_relobj::invalidate_section_offset): Remove method.
3334         (Sized_relobj::do_invalidate_section_offset): Remove method.
3335         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3336
3337 2010-01-25  Doug Kwan  <dougkwan@google.com>
3338
3339         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3340         Fix warning due to signed and unsigned comparison on a 32-bit host.
3341
3342 2010-01-22  Doug Kwan  <dougkwan@google.com>
3343
3344         * arm.cc (Target_arm::do_relax): Record an output section for section
3345         offset adjustment it contains any stub table that has changed.
3346         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3347         offsets in an output section if necessary.
3348         * output.cc (Output_section::Output_section): Initialize
3349         section_offsets_need_adjustments_.
3350         (Output_section::add_input_section_for_script): Renamed to
3351         Output_section::add_simple_input_section.
3352         (Output_section::save_states): Add a comment.
3353         (Output_section::discard_states): New method defintion.
3354         (Output_section::adjust_section_offsets): Same.
3355         * output.h (Output_section::add_input_section_for_script): Renamed to
3356         Output_section::add_simple_input_section.
3357         (Output_section::discard_states): New method declaration.
3358         (Output_section::adjust_section_offsets): Same.
3359         (Output_section::section_offsets_need_adjustment,
3360         Output_section::set_section_offsets_need_adjustment): New method
3361         definitions.
3362         (Output_section::section_offsets_need_adjustment_): New data member.
3363         * script-sections.cc
3364         (Output_section_element_input::set_section_address): Adjust code for
3365         renaming of Output_section::add_input_section_for_script.
3366         (Orphan_output_section::set_section_address): Same.
3367
3368 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3369
3370         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3371         Fix_v4bx enum values .
3372         * gold/options.h (General_options): New option definitions.
3373         (General_options::fix_v4bx): New method.
3374         (General_options::Fix_v4bx): New enum.
3375         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3376         (General_options::parse_fix_v4bx_interworking): New method.
3377
3378 2010-01-22  Doug Kwan  <dougkwan@google.com>
3379
3380         * arm.cc (Arm_exidx_fixup): New class.
3381
3382 2010-01-21  Doug Kwan  <dougkwan@google.com>
3383
3384         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3385         classes.
3386         (Arm_exidx_section_offset_map): New type.
3387
3388 2010-01-21  Doug Kwan  <dougkwan@google.com>
3389
3390         * arm.cc (Arm_exidx_input_section): New class.
3391         (Arm_relobj::exidx_input_section_by_link,
3392         Arm_relobj::exidx_input_section_by_shndx,
3393         Arm_relobj::make_exidx_input_section): New methods.
3394         (read_arm_attributes_section): Remove.
3395         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3396         information about them.
3397         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3398         to here.
3399
3400 2010-01-20  Doug Kwan  <dougkwan@google.com>
3401
3402         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3403         Input_section_specifier to Section_id.
3404         (Target_arm::new_arm_input_section: Adjust code for change of key
3405         type.
3406         (Target_arm::find_arm_input_section): Ditto.
3407         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3408         (Section_id): Remove.
3409         (Garbage_collection::Section_id_hash): Remove.
3410         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3411         (Section_id): Remove.
3412         (Icf::Section_id_hash): Remove.
3413         * object.h (Section_id, Const_section_id, Section_id_hash,
3414         Const_section_id_hash): New type definitions.
3415         * output.cc (Output_section::add_relaxed_input_section): Change to
3416         use Const_section_id instead of Input_section_specifier as key type.
3417         (Output_section::add_merge_input_section): Ditto.
3418         (Output_section::build_relaxation_map): Change to use Section_id
3419         instead of Input_section_specifier as key type.
3420         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3421         Ditto.
3422         (Output_section::convert_input_sections_to_relaxed_sections): Change
3423         to use Const_section_id instead of Input_section_specifier as key type.
3424         (Output_section::find_merge_section): Ditto.
3425         (Output_section::find_relaxed_input_section): Ditto.
3426         * output.h (Input_section_specifier): Remove class.
3427         (Output_section::Output_section_data_by_input_section_map): Change
3428         key type to Const_section_id.
3429         (Output_section::Output_relaxed_input_section_by_input_section_map):
3430         Ditto.
3431         (Output_section::Relaxation_map): Change key type to Section_id.
3432
3433 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3434
3435         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3436         (class Arm_v4bx_stub): New class.
3437         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3438         (Stub_factory::make_arm_v4bx_stub): New method.
3439         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3440         (Stub_table::empty): Handle v4bx stubs.
3441         (Stub_table::add_arm_v4bx_stub): New method.
3442         (Stub_table::find_arm_v4bx_stub): New method.
3443         (Arm_relocate_functions::v4bx): New method.
3444         (Target_arm::fix_v4bx): New method.
3445         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3446         (Stub_table::relocate_stubs): Likewise.
3447         (Stub_table::do_write): Likewise.
3448         (Stub_table::update_data_size_and_addralign): Likewise.
3449         (Stub_table::finalize_stubs):  Likewise.
3450         (Target_arm::Scan::local): Likewise.
3451         (Target_arm::Scan::global): Likewise.
3452         (Target_arm::do_finalize_sections): Likewise.
3453         (Target_arm::Relocate::relocate): Likewise.
3454         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3455         Likewise.
3456         (Target_arm::scan_reloc_for_stub): Likewise.
3457         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3458
3459 2010-01-19  Ian Lance Taylor  <iant@google.com>
3460
3461         * output.cc (Output_section_headers::do_sized_write): Write large
3462         segment count to sh_info field.
3463         (Output_file_header::do_sized_write): For large segment count,
3464         write PN_XNUM to e_phnum field.
3465
3466 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3467
3468         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3469         (Arm_relocate_functions::thm_jump8): New function.
3470         (Arm_relocate_functions::thm_jump11): New function.
3471         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3472         R_ARM_THM_JUMP11.
3473         (Target_arm::Scan::global): Likewise.
3474         (Target_arm::Relocate::relocate): Likewise.
3475         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3476         Likewise.
3477
3478 2010-01-14  Doug Kwan  <dougkwan@google.com>
3479
3480         * arm.cc (map, utility): Include headers.
3481         (Target_arm::apply_cortex_a8_workaround): New method.
3482         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3483         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3484         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3485         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3486         the --[no-]fix-cortex-a8 command line options.
3487         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3488         (Target_arm::relocate_stub): Use addend in instruction template.
3489         * options.h (DEFINE_bool): Set the user-set flag.
3490         (General_options): Add --[no-]-fix-cortex options.
3491         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3492         : Update fast look-up map after conversion.
3493
3494 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3495
3496         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3497         in the first pass of do_layout.
3498
3499 2010-01-13  Doug Kwan  <dougkwan@google.com>
3500
3501         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3502         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3503         apparent compiler problem of not folding static constant integral
3504         data members of elfcpp::Elf_sizes<32>.
3505
3506 2010-01-13  Doug Kwan  <dougkwan@google.com>
3507
3508         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3509         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3510         Arm_relobj::scan_section_for_cortex_a8_erratum,
3511         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3512         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3513         sections to scan for relocation stubs into a new method
3514         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3515         relocation and Cortex-A8 stub scanning.
3516         (Target_arm::do_relax): Force stubs to be after stubbed sections
3517         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3518         the beginning of a new relaxation pass.  Update a comment.
3519         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3520
3521 2010-01-12  Ian Lance Taylor  <iant@google.com>
3522
3523         * target-reloc.h (visibility_error): New inline function.
3524         (relocate_section): Call visibility_error.
3525         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3526         (MOSTLYCLEANFILES): Likewise.
3527         (protected_4_pic.o, protected_3.err): New targets.
3528         * testsuite/protected_4.cc: New file.
3529
3530 2010-01-12  Doug Kwan  <dougkwan@google.com>
3531
3532         * arm.cc (Cortex_a8_reloc): New class.
3533         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3534         and cortex_a8_relocs_info_.
3535         (Target_arm::fix_cortex_a8): New method definition.
3536         (Target_arm::Cortex_a8_relocs_info): New type.
3537         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3538         New data member declarations.
3539         (Target_arm::scan_reloc_for_stub): Record information about
3540         relocations for THUMB branches that might be exempted from the
3541         Cortex-A8 workaround.
3542         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3543         at the beginning of a relaxation pass.
3544
3545 2010-01-12  Doug Kwan  <dougkwan@google.com>
3546
3547         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3548         (Arm_relobj::Mapping_symbol_position,
3549          Arm_reloj::Mapping_symbol_position_less,
3550          Arm_relobj::Mapping_symbols_info): New types.
3551         (Target_arm::is_mapping_symbol_name): New method definition.
3552         (Arm_relobj::do_count_local_symbols): Save information about mapping
3553         symbols.
3554
3555 2010-01-11  Doug Kwan  <dougkwan@google.com>
3556
3557         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3558         Arm_relocate_functions::thumb32_branch_upper,
3559         Arm_relocate_functions::thumb32_branch_lower,
3560         Arm_relocate_functions::thumb32_cond_branch_offset,
3561         Arm_relocate_functions::thumb32_cond_branch_upper,
3562         Arm_relocate_functions::thumb32_cond_branch_lower,
3563         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3564         branch offset encoding.
3565         (Arm_relocate_functions::thumb_branch_common): Use new branch
3566         offset encoding methods to avoid code duplication.
3567         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3568         (Stub_addend_reader::operator()): Use new branch encoding method
3569         to avoid code duplication.
3570
3571 2010-01-11  Doug Kwan  <dougkwan@google.com>
3572
3573         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3574         (Target_arm::do_finalize_sections): Define special EXIDX section
3575         symbols only if referenced.
3576         * gc.h (Garbage_collection::add_reference): New method.
3577         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3578         code duplication.
3579
3580 2010-01-11  Ian Lance Taylor  <iant@google.com>
3581
3582         * script.cc (Version_script_info::build_expression_list_lookup):
3583         Change complaing about duplicate wildcard match from error to
3584         warning.
3585
3586         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3587         of 2009-12-30.
3588         (Version_script_info::Version_script_info): Initialize globs_,
3589         default_version_, default_is_global_, and exact_.  Don't
3590         initialize globals_ or locals_.
3591         (Version_script_info::build_lookup_tables): Build local symbols
3592         first.
3593         (Version_script_info::unquote): New function.
3594         (Version_script_info::add_exact_match): New function.
3595         (Version_script_info::build_expression_list_lookup): Remove lookup
3596         parameter.  Add is_global parameter.  Change all callers.  Handle
3597         wildcard pattern specially.  Unquote pattern.  Call
3598         add_exact_match.
3599         (Version_script_info::get_name_to_match): New function.
3600         (Version_script_info::get_symbol_version): New function.
3601         (Version_script_info::get_symbol_version_helper): Remove.
3602         (Version_script_info::check_unmatched_names): Call unquote.
3603         * script.h (class Version_script_info): Change get_symbol_version
3604         to be non-inline and add is_global parameter; change all callers.
3605         Rewrite symbol_is_local.  Update declarations.  Define struct
3606         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3607         Remove globals_ and locals_ members.  Add exact_, globs_,
3608         default_version_, is_global_.
3609         (Version_script_info::Glob): Remove pattern, add expression and
3610         is_global.  Update constructor.  Change all callers.
3611         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3612         default version.
3613         (Versions::symbol_section_contents): If a symbol is undefined, or
3614         defined in a dynamic object, set the version index to
3615         VER_NDX_LOCAL.
3616         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3617         symbol_is_local.
3618         (Symbol_table::add_from_pluginobj): Likewise.
3619         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3620
3621 2010-01-11  Doug Kwan  <dougkwan@google.com>
3622
3623         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3624         (incremental_dump_LDADD): Add linking option for libintl.
3625         * Makefile.in: Regenerate.
3626
3627 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3628
3629         PR gold/11144
3630         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3631         instead of -Ds.
3632         * testsuite/Makefile.in: Regenerated.
3633
3634 2010-01-10  Doug Kwan  <dougkwan@google.com>
3635
3636         * options.h (DEFINE_var): Use parentheses around argument varname__
3637         in macro body to avoid any unintended subsequent substitutions.
3638
3639 2010-01-10  Ian Lance Taylor  <iant@google.com>
3640
3641         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3642         candidates before doing symbol resolution.
3643
3644         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3645         ODR candidates if only one is weak.
3646
3647 2010-01-08  Ian Lance Taylor  <iant@google.com>
3648
3649         * script.cc (Version_script_info::build_expression_list_lookup):
3650         Don't warn about ambiguous version, just record the ambiguity.
3651         (Version_script_info::get_symbol_version_helper): Give error if
3652         version is ambiguous.
3653
3654 2010-01-08  Doug Kwan  <dougkwan@google.com>
3655
3656         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3657           prev_data_size_ and prev_addralign_.  Remove initializer for
3658           deleted data member has_been_changed_.
3659           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3660           to determine if the table is empty.
3661           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3662           Remove.
3663           (Stub_table::add_reloc_stub): Define method in class definition
3664           instead of just declaring it there.
3665           (Stub_table::add_cortex_a8_stub): New method definition.
3666           (Stub_table::update_data_size_and_addralign): Ditto.
3667           (Stub_table::finalize_stubs): Ditto.
3668           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3669           (Stub_table::do_addralign_): Return address alignment in the
3670           (Stub_table::do_reset_address_and_file_offset): Define method in
3671           class definition instead of declaring it there.  Set current data
3672           size to be the data size of the previous pass.
3673           (Stub_table::set_final_data_size): Use current data size as the
3674           final data size.
3675           (Stub_table::relocate_stub): Change parameter type of stub from
3676           Reloc_stub pointer to Stub pointer.
3677           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3678           (Stub_table::Cortex_a8_stub_list): New typedef.
3679           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3680            Stub_table::prev_addralign_): New data member.
3681           (Arm_relobj::Arm_relobj): Initialize data member
3682           section_has_cortex_a8_workaround_.
3683           (Arm_relobj::section_has_cortex_a8_workaround,
3684            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3685            definitions.
3686           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3687           declarations.
3688           (Target_arm::relocate_stub): Change parameter type of stub from
3689           Reloc_stub pointer to Stub pointer.
3690           (Insn_template::size, Insn_template::alignment): Handle
3691           THUMB16_SPECIAL_TYPE.
3692           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3693            Stub_table::update_data_size_and_addralign,
3694            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3695           definitions.
3696           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3697           (Stub_table::do_write): Ditto.
3698           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3699
3700 2010-01-08  Ian Lance Taylor  <iant@google.com>
3701
3702         PR 11108
3703         * symtab.h (class Symbol): Remove fields is_target_special_ and
3704         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3705         (Symbol::is_defined_in_discarded_section): New function.
3706         (Symbol::set_is_defined_in_discarded_section): New function.
3707         (Symbol::has_plt_offset): Rewrite.
3708         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3709         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3710         Don't initialize is_target_special_ or has_plt_offset_.
3711         Initialize is_defined_in_discarded_section_.
3712         (Symbol_table::add_from_relobj): If appropriate, set
3713         is_defined_in_discarded_section.
3714         * resolve.cc (Symbol::override_base_with_special): Don't test
3715         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3716         * target-reloc.h (relocate_section): Do special handling for
3717         symbols defined in discarded sections for global symbols as well
3718         as local symbols.
3719
3720 2010-01-08  Ian Lance Taylor  <iant@google.com>
3721
3722         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3723         the SHT_SYMTAB case.
3724
3725 2010-01-08  Ian Lance Taylor  <iant@google.com>
3726
3727         * object.cc (Sized_relobj::do_layout): Don't get confused if
3728         layout_eh_frame returns NULL.
3729
3730 2010-01-08  Ian Lance Taylor  <iant@google.com>
3731
3732         PR 11084
3733         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3734         dynamic symbol table, use the normal symbol table.
3735         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3736         symbol table.
3737
3738 2010-01-08  Ian Lance Taylor  <iant@google.com>
3739
3740         PR 11072
3741         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3742         sections.
3743
3744 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3745
3746         * version.cc (print_version): Change to "Copyright 2010".
3747
3748 2010-01-08  Ian Lance Taylor  <iant@google.com>
3749
3750         PR 10287
3751         PR 11063
3752         * i386.cc (class Target_i386): Change return type of plt_section
3753         to be non-const.
3754         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3755         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3756         tls_desc_rel_ field.
3757         (Output_data_plt_i386::rel_tls_desc): New function.
3758         (Target_i386::rel_tls_desc_section): New function.
3759         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3760         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3761         R_386_TLS_DESC reloc in rel_tls_desc_section.
3762         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3763         Define struct Tlsdesc_info.
3764         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3765         (Target_x86_64::do_reloc_symbol_index): New function.
3766         (Target_x86_64::add_tlsdesc_info): New function.
3767         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3768         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3769         tlsdesc_rel_ field.
3770         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3771         all callers.
3772         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3773         (Target_x86_64::rela_tlsdesc_section): New function.
3774         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3775         handling.
3776         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3777         (Target_x86_64::do_reloc_addend): New function.
3778         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3779         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3780         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3781         (Output_reloc::type): New function.
3782         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3783         (Output_reloc::is_target_specific): New function.
3784         (Output_reloc::target_arg): New function.
3785         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3786         absolute relocs and target specific relocs.
3787         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3788         add_target_specific.
3789         (class Output_data_reloc) [SHT_RELA]: Likewise.
3790         * output.cc (Output_reloc::Output_reloc): Add four new versions
3791         for absolute relocs and target specific relocs.
3792         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3793         (Output_reloc::get_symbol_index): Likewise.
3794         (Output_reloc::local_section_offset): Check that local_sym_index_
3795         is not TARGET_CODE or 0.
3796         (Output_reloc::symbol_value): Likewise.
3797         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3798         reloc.
3799         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3800         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3801         functions.
3802         * layout.cc (add_target_dynamic_tags): Use output section for
3803         DT_PLTRELSZ and DT_JMPREL.
3804
3805 2010-01-07  Ian Lance Taylor  <iant@google.com>
3806
3807         PR 11061
3808         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3809         function.
3810         (class Output_data_reloc_generic): Define.
3811         (class Output_data_reloc_base): Change base class to
3812         Output_data_reloc_generic.  Change add() method to call
3813         bump_relative_reloc_count for a relative reloc.  Remove
3814         sort_relocs_ field.
3815         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3816         to sort_relocs().
3817         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3818         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3819         appropriate.
3820         * layout.h (class Layout): Update declaration.
3821
3822 2010-01-07  Ian Lance Taylor  <iant@google.com>
3823
3824         * output.h (class Output_data): Add const version of
3825         output_section and do_output_section.
3826         (class Output_section_data): Add const version of
3827         do_output_section.
3828         (class Output_section): Likewise.
3829         * layout.cc (Layout::add_target_dynamic_tags): New function.
3830         * layout.h (class Layout): Update declarations.
3831         * arm.cc (Target_arm::do_finalize_sections): Use
3832         add_target_dynamic_tags.
3833         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3834         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3835         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3836         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3837
3838 2010-01-07  Ian Lance Taylor  <iant@google.com>
3839
3840         PR 11042
3841         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3842         object as needed.
3843
3844 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3845             Ian Lance Taylor  <iant@google.com>
3846
3847         PR 11019
3848         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3849         Xindex::read_symtab_xindex.
3850
3851 2010-01-07  Doug Kwan  <dougkwan@google.com>
3852
3853         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3854         (Insn_template::thumb16_bcond_insn): New method declaration.
3855         (Insn_template): Fix spelling.
3856         (Stub::thumb16_special): New method declaration.
3857         (Stub::do_write): Define virtual method which was previously pure
3858         virtual.
3859         (Stub::do_thumb16_special): New method declaration.
3860         (Stub::do_fixed_endian_write): New template member.
3861         (Reloc_stub::do_write): Remove.
3862         (Reloc_stub::do_fixed_endian_write): Remove.
3863         (Cortex_a8_stub): New class definition.
3864         (Stub_factory::make_cortex_a8_stub): New method definition.
3865         (Stub_factory::Stub_factory): Add missing static storage class
3866         qualifier for elf32_arm_stub_a8_veneer_blx.
3867
3868 2010-01-07  Ian Lance Taylor  <iant@google.com>
3869
3870         PR 10980
3871         * options.h (class General_options): Add --warn-unresolved-symbols
3872         and --error-unresolved-symbols.
3873         * errors.cc (Errors::undefined_symbol): Implement
3874         --warn-unresolved-symbols.
3875
3876         * options.h (class General_options): Add -z text and -z textoff.
3877         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3878
3879 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3880
3881         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3882         (Garbage_collection::cident_sections): New function.
3883         (Garbage_collection::add_cident_section): New function.
3884         (Garbage_collection::cident_sections_): New member.
3885         (gc_process_relocs): Add references to sections whose names are C
3886         identifiers.
3887         * gold.h (cident_section_start_prefix): New constant.
3888         (cident_section_stop_prefix): New constant.
3889         (is_cident): New function.
3890         * layout.cc (Layout::define_section_symbols): Replace string constants
3891         with the newly defined constants.
3892         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3893         C identifiers.
3894         * testsuite/Makefile.am: Add gc_orphan_section_test.
3895         * testsuite/Makefile.in: Regenerate.
3896         * testsuite/gc_orphan_section_test.cc: New file.
3897         * testsuite/gc_orphan_section_test.sh: New file.
3898
3899 2010-01-06  Ian Lance Taylor  <iant@google.com>
3900
3901         PR 10980
3902         * options.h (class General_options): Add --warn-shared-textrel.
3903         * layout.cc (Layout::finish_dynamic_section): Implement
3904         --warn-shared-textrel.
3905
3906         PR 10980
3907         * options.h (class General_options): Add --warn-multiple-gp.
3908
3909 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3910
3911         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3912         $(THREADSLIB) and $(LIBDL).
3913         * Makefile.in: Rebuild.
3914
3915 2010-01-06  Ian Lance Taylor  <iant@google.com>
3916
3917         PR 10980
3918         * options.cc (General_options::parse_section_start): New function.
3919         (General_options::section_start): New function.
3920         (General_options::General_options): Initialize all members.
3921         * options.h: Include <map>
3922         (class General_options): Add --section-start.  Add section_starts_
3923         member.
3924         * layout.cc (Layout::attach_allocated_section_to_segment): If
3925         --section-start was used, set the address of the segment.  Remove
3926         local sort_sections.
3927         (Layout::relaxation_loop_body): If the address of the load segment
3928         has been set by --section-start, don't use it.
3929         * output.h (Output_segment::update_flags_for_output_section): New
3930         function.
3931         * output.cc (Output_segment::add_output_section): Call
3932         update_flags_for_output_section.
3933
3934 2010-01-05  Ian Lance Taylor  <iant@google.com>
3935
3936         PR 10980
3937         * options.h (class General_options): Add --undefined-version.
3938         * script.cc (struct Version_expression): Add was_matched_by_symbol
3939         field.
3940         (Version_script_info::matched_symbol): New function.
3941         (Version_script_info::get_symbol_version_helper): Call
3942         matched_symbol.
3943         (Version_script_info::check_unmatched_names): New function.
3944         * script.h (class Version_script_info): Update declarations.
3945         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3946
3947         * options.h (class General_options): Use DEFINE_bool_alias for
3948         allow_multiple_definition.
3949         * resolve.cc (Symbol_table::should_override): Don't test
3950         allow_multiple_definition.
3951
3952         PR 10980
3953         * options.h (class General_options): Add --cref.
3954         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3955         until after printing cref table.
3956         * cref.cc: Include "symtab.h".
3957         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3958         (Cref_table_compare::operator()): New function.
3959         (Cref_inputs::gather_cref): New function.
3960         (filecol): New static const.
3961         (Cref_inputs::print_cref): New function.
3962         (Cref::print_cref): New function.
3963         * cref.h: Include <cstdio>.
3964         (class Cref): Update declarations.
3965         * mapfile.h (Mapfile::file): New function.
3966         * object.h (class Object): Define Symbols.  Declare virtual
3967         do_get_global_symbols.
3968         (Object::get_global_symbols): New function.
3969         * object.cc (Input_objects::add_object): Pass object to cref_ if
3970         --cref.
3971         (Input_objects::archive_start): Likewise.
3972         (Input_objects::archive_stop): Likewise.
3973         (Input_objects::print_cref): New function.
3974         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3975         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3976         --cref.
3977         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3978         function.
3979         * plugin.h (class Sized_pluginobj): Update declarations.
3980
3981 2010-01-05  Ian Lance Taylor  <iant@google.com>
3982
3983         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3984         to is_default_version.  Rename insdef to insdefault.
3985         (Symbol_table::add_from_relobj): Rename def to is_default_version
3986         and local to is_forced_local.
3987         (Symbol_table::add_from_pluginobj): Likewise.
3988         (Symbol_table::add_from_dynobj): Likewise.
3989         (Symbol_table::define_special_symbol): Rename insdef to
3990         insdefault.
3991
3992 2010-01-04  Ian Lance Taylor  <iant@google.com>
3993
3994         PR 10980
3995         * options.h (class General_options): Add
3996         --allow-multiple-definition and -z muldefs.
3997         * resolve.cc (Symbol_table::should_override): Don't warn about a
3998         multiple symbol definition if --allow-multiple-definition or -z
3999         muldefs.
4000
4001         PR 10980
4002         * options.h (class General_options): Add --add-needed and
4003         --copy-dt-needed-entries.  Tweak --as-needed help entry.
4004         * object.cc (Input_objects::check_dynamic_dependencies): Give an
4005         error if --copy-dt-needed-entries aka --add-needed is used and
4006         would cause a change in behaviour.
4007
4008         PR 10980
4009         * options.h (class General_options): Add -G as a short version of
4010         --shared.  Add no-op options -assert, -g, and -i.
4011
4012 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
4013
4014         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
4015         check for .text or .gnu.linkonce.t sections.
4016         * icf.cc (Icf::find_identical_sections): Ditto.
4017         Change the detection for mangled function name within the section
4018         name.
4019         * icf.h (is_section_foldable_candidate): New function.
4020
4021 2009-12-30  Ian Lance Taylor  <iant@google.com>
4022
4023         PR 10980
4024         * options.h (class General_options): Permit two dashes with
4025         --retain-symbols-file.
4026
4027 2009-12-30  Ian Lance Taylor  <iant@google.com>
4028
4029         PR 10979
4030         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
4031         don't put the file header and segment headers in the text
4032         segment.
4033
4034         PR 10979
4035         * common.cc (Sort_commons::operator()): Stabilize sort when both
4036         entries are NULL.
4037         (Symbol_table::do_allocate_commons_list): When allocating common
4038         symbols, skip a symbol which is no longer common.
4039         * symtab.h (Symbol::is_common): Test whether the symbol comes from
4040         an object before checking its type.
4041         * testsuite/common_test_2.c: New file.
4042         * testsuite/common_test_3.c: New file.
4043         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
4044         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
4045         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
4046         (common_test_2_pic.o, common_test_2.so): New targets.
4047         (common_test_3_pic.o, common_test_3.so): New targets.
4048         * testsuite/Makefile.in: Rebuild.
4049
4050         PR 10979
4051         * script.cc (read_input_script): If we see a new SECTIONS clause,
4052         and we have added an input section, give an error.
4053         * layout.h (class Layout): Add have_added_input_section function.
4054         Add have_added_input_section_ field.
4055         * layout.cc (Layout::Layout): Initialize
4056         have_added_input_section_.
4057         (Layout::layout): Set have_added_input_section_.
4058         (Layout::layout_eh_frame): Likewise.
4059
4060 2009-12-30  Ian Lance Taylor  <iant@google.com>
4061
4062         PR 10931
4063         * options.h (class General_options): Add --sort-common option.
4064         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
4065         * common.cc (Sort_common): Add sort_order parameter to
4066         constructor.  Add sort_order_ field.
4067         (Sort_commons::operator): Check sort_order_.
4068         (Symbol_table::allocate_commons): Determine the sort order.
4069         (Symbol_table::do_allocate_commons): Add sort_order parameter.
4070         Change all callers.
4071         (Symbol_table::do_allocate_commons_list): Likewise.
4072
4073 2009-12-30  Ian Lance Taylor  <iant@google.com>
4074
4075         PR 10916
4076         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
4077         symbols from this object, don't change the visibility of an
4078         undefined symbol.
4079         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
4080
4081 2009-12-30  Ian Lance Taylor  <iant@google.com>
4082
4083         PR 10861
4084         * script.h (class Version_script_info): Define Language enum.
4085         Update declarations.  Define Glob, Exact, and Lookup types.  Add
4086         new fields globals_, locals_, and is_finalized_.
4087         * script.cc: Various formatting fixes.
4088         (class Parser_closure): Change language_stack_ from a vector of
4089         std::string to one of Version_script_info::Language.  Adjust all
4090         uses accordingly.
4091         (class Lazy_demangler): Remove.
4092         (struct Version_expression): Change language from std::string to
4093         Version_script_info::Language.
4094         (Version_script_info::Version_script_info): New function.
4095         (Version_script_info::~Version_script_info): Don't call clear.
4096         (Version_script_info::finalize): New function.
4097         (Version_script_info::build_lookup_tables): New function.
4098         (Version_script_info::build_expression_list_lookup): New
4099         function.
4100         (Version_script_info::get_symbol_version_helper): Rewrite to use
4101         lookup tables.
4102         (Version_script_info::print_expression_list): Adjust to use
4103         Version_script_info::Language.
4104         (script_push_lex_into_version_mode): Check that the version script
4105         has not been finalized.
4106         (version_script_push_lang): Change language string to
4107         Version_script_info::Language.
4108         * options.cc (Command_line::version_script): New function.
4109         * options.h (class General_options): Add finalize_dynamic_list
4110         function.  Change version_script from declaration to definition.
4111         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
4112         * testsuite/version_script.map: Remove duplicate def of foo.
4113         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
4114         version_script.map.
4115         * testsuite/Makefile.in: Rebuild.
4116
4117 2009-12-30  Ian Lance Taylor  <iant@google.com>
4118
4119         PR 10843
4120         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
4121         if the input symbol index is 0, make the output symbol index 0.
4122
4123 2009-12-30  Ian Lance Taylor  <iant@google.com>
4124
4125         PR 10670
4126         * options.h (class General_options): Add -x/--discard-all.
4127         * object.cc (Sized_relobj::do_count_local_symbols): Handle
4128         --discard-all.  If the local symbol needs a dynamic entry, check
4129         that before handling --discard-locals.
4130
4131 2009-12-30  Ian Lance Taylor  <iant@google.com>
4132
4133         PR 10450
4134         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
4135         flags to PF_R.
4136         (Output_segment::add_output_section): Don't change the flags if
4137         the type is PT_TLS.
4138
4139         PR 10450
4140         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
4141         GNU hash table if they need a dynamic value.  Otherwise, don't add
4142         them if they are defined in a dynamic object or are forced local.
4143
4144 2009-12-29  Ian Lance Taylor  <iant@google.com>
4145
4146         PR 10450
4147         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
4148         .gnu.hash table for a 32-bit target.
4149
4150         PR 10450
4151         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
4152         regular and a dynamic object only needs a dynamic symbol table
4153         entry if it is externally visible.
4154
4155         PR 10450
4156         * i386.cc (class Target_i386): Initialize global_offset_table_ in
4157         constructor.  Add global_offset_table_ field.
4158         (Target_i386::got_section): Set global_offset_table_.
4159         (Target_i386::do_finalize_sections): Set global_offset_table_
4160         size.
4161         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
4162         in constructor.  Add global_offset_table_ field.
4163         (Target_x86_64::got_section): Set global_offset_table_.
4164         (Target_x86_64::do_finalize_sections): Set global_offset_table_
4165         size.
4166
4167         * layout.cc (Layout::Layout): Initialize increase_relro_.
4168         (Layout::get_output_section): Add is_relro, is_last_relro, and
4169         is_first_non_relro parameters.  Change all callers.
4170         (Layout::choose_output_section): Likewise.
4171         (Layout::add_output_section_data): Likewise.
4172         (Layout::make_output_section): Likewise.
4173         (Layout::set_segment_offsets): Clear increase_relro when using a
4174         linker script.
4175         * layout.h (class Layout): Add increase_relro method.  Add
4176         increase_relro_ field.  Update declarations.
4177         * output.cc (Output_section::Output_section): Initialize
4178         is_last_relro_ and is_first_non_relro_.
4179         (Output_segment::add_output_section): Group relro sections is
4180         do_sort is true.  Handle is_last_relro and is_first_non_relro.
4181         (Output_segment::maximum_alignment): Remove relro handling.
4182         (Output_segment::set_section_addresses): Add increase_relro
4183         parameter.  Change all callers.  Add initial alignment to align
4184         relro sections on separate page.  Remove old relro handling.
4185         (Output_segment::set_section_list_addresses): Remove in_relro
4186         parameter.  Change all callers.
4187         (Output_segment::set_offset): Add increase parameter.  Change all
4188         callers.  Remove old relro handling.
4189         * output.h (class Output_section): Add new methods: is_last_relro,
4190         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
4191         Add is_last_relro_ and is_first_non_relro_ fields.
4192         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
4193         Create separate .got.plt section.  Call increase_relro.
4194         * x86_64.cc (Target_x86_64::got_section): Likewise.
4195         * testsuite/relro_script_test.t: Add .got.plt.
4196
4197         PR 10450
4198         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
4199         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
4200         (Layout::finalize): Call set_dynamic_symbol_size.
4201         (Layout::set_dynamic_symbol_size): New function.
4202         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4203         set_dynamic_symbol_size.
4204
4205         PR 10450
4206         * output.h (class Output_section): Add is_entsize_zero_ field.
4207         * output.cc (Output_section::Output_section): Initialize
4208         is_entsize_zero_.
4209         (Output_section::set_entsize): If two different entsizes are
4210         requested, force it to zero.
4211         (Output_section::add_input_section): Set flags for .debug_str
4212         before updating section flags.  Set entsize.
4213         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4214         and SHF_STRING if all input sections have those flags.
4215
4216 2009-12-29   Rafael Espindola  <espindola@google.com>
4217
4218         * main.cc (main): Fix the sys time reporting.
4219         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4220         reporting.
4221
4222 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4223
4224         * options.cc (General_options::parse_version): Allow -v to exit
4225         without an error if there is nothing to link.
4226
4227 2009-12-29  Ian Lance Taylor  <iant@google.com>
4228
4229         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4230         using a version of gcc before 4.1.
4231         * configure: Rebuild.
4232
4233 2009-12-28  Chris Demetriou  <cgd@google.com>
4234
4235         * attributes.cc (Output_attributes_section_data::do_write): Use
4236         std::vector::front rather than std::vector::data.
4237
4238 2009-12-28  Ian Lance Taylor  <iant@google.com>
4239
4240         * symtab.h (class Symbol_table): Add enum Defined.
4241         * resolve.cc (Symbol_table::should_override): Add defined
4242         parameter.  Change all callers.  Test whether object is NULL
4243         before calling a method on it.
4244         (Symbol_table::report_resolve_problem): Add defined parameter.
4245         Change all callers.
4246         (Symbol_table::should_override_with_special): Likewise.
4247         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4248         parameter.  Change all callers.
4249         (Symbol_table::do_define_in_output_data): Likewise.
4250         (Symbol_table::define_in_output_segment): Likewise.
4251         (Symbol_table::do_define_in_output_segment): Likewise.
4252         (Symbol_table::define_as_constant): Likewise.
4253         (Symbol_table::do_define_as_constant): Likewise.
4254         * script.h (class Symbol_assignment): Add is_defsym parameter to
4255         constructor; change all callers.
4256         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4257         parameter.  Change all callers.  Add is_defsym_ field.
4258         (class Parser_closure): Add parsing_defsym parameter to
4259         constructor; change all callers.  Add parsing_defsym accessor
4260         function.  Add parsing_defsym_ field.
4261
4262 2009-12-28  Ian Lance Taylor  <iant@google.com>
4263
4264         * gold.cc (queue_middle_tasks): Fix formatting.
4265         * object.cc (Relobj::is_section_name_included): Likewise.
4266
4267 2009-12-23  Ian Lance Taylor  <iant@google.com>
4268
4269         * i386.cc (Target_i386::do_calls_non_split): Recognize
4270         -fsplit-stack prologue for a function with a static chain.
4271         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4272         -fsplit-stack prologue when using %r11.
4273
4274 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4275
4276         * options.cc (General_options::parse_version): Make -v continue and do
4277         the link like GNU ld does.
4278
4279 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4280
4281         * Makefile.am (CCFILES): Add timer.cc.
4282         (HFILES): Add timer.h.
4283         * configure.ac: Check for sysconf and times.
4284         * main.cc: include timer.h.
4285         (main): Use Timer instead of get_run_time.
4286         * timer.cc: New.
4287         * timer.h: New.
4288         * workqueue.cc: include timer.h.
4289         (Workqueue::find_and_run_task):
4290         Report user, sys and wall time.
4291         * Makefile.in: Regenerate.
4292         * config.in: Regenerate.
4293         * configure: Regenerate.
4294
4295 2009-12-16  Doug Kwan  <dougkwan@google.com>
4296
4297         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4298         sections.
4299         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4300         relaxed input sections.
4301         * output.cc (Output_section::find_relaxed_input_section): Change
4302         return type to Output_relaxed_input_section pointer.  Adjust code
4303         for new type of relaxed_input_section_map_.
4304         * output.h (Output_section::find_relaxed_input_section): Change
4305         return type to Output_relaxed_input_section pointer.
4306         (Output_section::Output_relaxed_input_section_by_input_section_map):
4307         New type.
4308         (Output_section::relaxed_input_section_map_): Change type to
4309         Output_section::Output_relaxed_input_section_by_input_section_map.
4310         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4311         input section.
4312
4313 2009-12-15  Ian Lance Taylor  <iant@google.com>
4314
4315         * layout.cc (Layout::create_shstrtab): Only write out after input
4316         sections if we are compressing debug sections.
4317
4318 2009-12-15  Ian Lance Taylor  <iant@google.com>
4319
4320         * archive.cc (Archive::add_symbols): Only look up a symbol without
4321         a version if there is, in fact, a version.
4322
4323 2009-12-14  Ian Lance Taylor  <iant@google.com>
4324
4325         Revert -Wshadow changes, all changes from:
4326         2009-12-11  Doug Kwan  <dougkwan@google.com>
4327         2009-12-11  Nick Clifton  <nickc@redhat.com>
4328         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4329
4330 2009-12-11  Doug Kwan  <dougkwan@google.com>
4331
4332         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4333         due to -Wshadow.
4334         * attributes.cc (Object_attribute::size): Ditto.
4335         (Attributes_section_data::size): Ditto.
4336         (Attributes_section_data::Attributes_section_data): Ditto.
4337         (Output_attributes_section_data::do_write): Ditto.
4338         * attributes.h (Object_attribute::set_type): Ditto.
4339         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4340
4341 2009-12-11  Nick Clifton  <nickc@redhat.com>
4342
4343         * archive.cc: Fix shadowed variable warnings.
4344         * arm.cc: Likewise.
4345         * compressed_output.cc: Likewise.
4346         * compressed_output.h: Likewise.
4347         * configure: Likewise.
4348         * dwarf_reader.cc: Likewise.
4349         * dynobj.cc: Likewise.
4350         * dynobj.h: Likewise.
4351         * ehframe.cc: Likewise.
4352         * ehframe.h: Likewise.
4353         * errors.cc: Likewise.
4354         * expression.cc: Likewise.
4355         * fileread.cc: Likewise.
4356         * fileread.h: Likewise.
4357         * freebsd.h: Likewise.
4358         * i386.cc: Likewise.
4359         * icf.cc: Likewise.
4360         * incremental.h: Likewise.
4361         * layout.cc: Likewise.
4362         * layout.h: Likewise.
4363         * mapfile.cc: Likewise.
4364         * merge.cc: Likewise.
4365         * merge.h: Likewise.
4366         * object.cc: Likewise.
4367         * object.h: Likewise.
4368         * options.h: Likewise.
4369         * output.cc: Likewise.
4370         * output.h: Likewise.
4371         * parameters.cc: Likewise.
4372         * plugin.cc: Likewise.
4373         * powerpc.cc: Likewise.
4374         * reduced_debug_output.cc: Likewise.
4375         * reduced_debug_output.h: Likewise.
4376         * reloc.cc: Likewise.
4377         * reloc.h: Likewise.
4378         * resolve.cc: Likewise.
4379         * script-sections.cc: Likewise.
4380         * script.cc: Likewise.
4381         * script.h: Likewise.
4382         * sparc.cc: Likewise.
4383         * symtab.cc: Likewise.
4384         * symtab.h: Likewise.
4385         * target-select.cc: Likewise.
4386         * target-select.h: Likewise.
4387         * token.h: Likewise.
4388         * workqueue.cc: Likewise.
4389         * workqueue.h: Likewise.
4390         * x86_64.cc: Likewise.
4391
4392 2009-12-10  Doug Kwan  <dougkwan@google.com>
4393
4394         * arm.cc (attributes.h): New include.
4395         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4396         (Arm_relobj::~Arm_relobj): Delete object pointed by
4397         attributes_section_data_.
4398         (Arm_relobj::attributes_section_data): New method definition.
4399         (Arm_relobj::attributes_section_data_): New data member declaration.
4400         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4401         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4402         attributes_section_data_.
4403         (Arm_dynobj::attributes_section_data): New method definition.
4404         (Arm_dynobj::attributes_section_data_): New data member declaration.
4405         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4406         initialization value of may_use_blx_ to false.
4407         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4408         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4409         object attributes to compute results instead of hard-coding.
4410         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4411         Target_arm::get_secondary_compatible_arch,
4412         Target_arm::set_secondary_compatible_arch
4413         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4414         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4415         New method declarations.
4416         (Target_arm::get_aeabi_object_attribute): New method definition.
4417         (Target_arm::attributes_section_data_): New data member declaration.
4418         (read_arm_attributes_section): New template definition.
4419         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4420         (Arm_dynobj::do_read_symbols): Ditto.
4421         (Target_arm::do_finalize_sections): Merge attributes sections from
4422         input.  Check for BLX use after attributes section merging.
4423         Fix __exidx_start and __exidx_end visibility.  Create an
4424         .ARM.attributes section if necessary.
4425         (Target_arm::get_secondary_compatible_arch,
4426         Target_arm::set_secondary_compatible_arch,
4427         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4428         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4429         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4430         New method definitions.
4431
4432 2009-12-09  Ian Lance Taylor  <iant@google.com>
4433
4434         * plugin.cc (Plugin::load): Don't cast from void* to a function
4435         pointer.
4436
4437 2009-12-09  Ian Lance Taylor  <iant@google.com>
4438
4439         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4440         information fields.
4441
4442 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4443
4444         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4445         Replace two_file_shared_1.so with two_file_shared_2.so.
4446         * testsuite/Makefile.in: Regenerated.
4447
4448 2009-12-08  Doug Kwan  <dougkwan@google.com>
4449
4450         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4451         (HFILES): Add attributes.h and int_encoding.h.
4452         * Makefile.in: Regenerate.
4453         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4454         function definitions to int_encoding.cc
4455         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4456         prototypes to int_encoding.h
4457         * reduced_debug_output.cc (int_encoding.h): New include.
4458         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4459         function definitions to int_encoding.cc
4460         (insert_into_vector, read_from_pointer): Move template definitions to
4461         int_encoding.h
4462         * attributes.cc: New file.
4463         * attributes.h: New file.
4464         * int_encoding.cc: New file.
4465         * int_encoding.h: New file.
4466
4467 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4468
4469         PR gold/11055
4470         * incremental-dump.cc (dump_incremental_inputs): New.
4471         (main): Use dump_incremental_inputs.
4472
4473 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4474
4475         PR gold/10893
4476         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4477         checking elfcpp::STT_FUNC.
4478         (Target_i386::Relocate::relocate): Likewise.
4479         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4480
4481         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4482         symbols from shared libraries into normal FUNC symbols.
4483
4484         * symtab.h (Symbol): Add is_func and use it.
4485
4486 2009-12-05  Doug Kwan  <dougkwan@google.com>
4487
4488         * arm.cc (Target_arm::arm_info): Initialize new fields
4489         attributes_section and attributes_vendor.
4490         * i386.cc (Target_i386::i386_info): Same.
4491         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4492         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4493         fields attributes_section and attributes_vendor.
4494         * sparc.cc (Target_sparc::sparc_info): Same.
4495         * target.h (Target::attributes_section, Target::attributes_vendor,
4496         Target::is_attributes_section, Target::attribute_arg_type,
4497         Target::attributes_order): New method definitions.
4498         (Target::Target_info::attributes_section,
4499         Target::Target_info::attributes_vendor): New fields.
4500         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4501         virtual method definitions.
4502         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4503         attributes_section and attributes_vendor.
4504         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4505
4506 2009-12-05  Doug Kwan  <dougkwan@google.com>
4507
4508         * arm.cc: Update comments about interworking and stub generation.
4509         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4510         considered as non-PIC.
4511         (Arm_relocate_functions::base_abs): Fix formatting.
4512         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4513         of function to use GOT entry address instead of offset.
4514         (Target_arm::Scan::global): Issue an error if a symbol would need a
4515         PLT does not get one because it is untyped.  Remove code to create
4516         dynamic symbols for relative branches.
4517         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4518         takes unsigned integer instead of boolean.
4519
4520 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4521
4522         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4523         (two_file_test_LDADD): Likewise.
4524         (common_test_1_LDADD): Likewise.
4525         (exception_test_LDADD) Likewise.
4526         (weak_test_LDADD): Likewise.
4527         (many_sections_test_LDADD): Likewise.
4528         (initpri1_LDADD): Likewise.
4529         (script_test_1_LDADD): Likewise.
4530         (script_test_2_LDADD): Likewise.
4531         (justsyms_LDADD): Likewise.
4532         (binary_test_LDADD): Likewise.
4533         (large_LDADD): Likewise.
4534         * testsuite/Makefile.in: Regenerated.
4535
4536 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4537
4538         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4539         (Symbol_table::override_with_special): Likewise.
4540         (Symbol_table::add_from_object): Likewise.
4541
4542 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4543
4544         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4545         Don't set the data_offset twice.
4546
4547 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4548
4549         * testsuite/Makefile.in: Regenerate.
4550
4551 2009-12-03  Doug Kwan  <dougkwan@google.com>
4552
4553         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4554         (Target_arm::do_finalize_sections): Add parameter for symbol table
4555         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4556         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4557         parameter for symbol table pointer.
4558         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4559         an additional parameter for a pointer to symbol table.
4560         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4561         parameter for a symbol table pointer.
4562         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4563         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4564         Ditto.
4565         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4566         parameter for a symbol table pointer.
4567
4568 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4569
4570         * incremental.cc (Incremental_inputs_header)
4571         (Incremental_inputs_header_write, Incremental_inputs_entry)
4572         (Incremental_inputs_entry_write): Move ...
4573         * incremental.h (Incremental_inputs_header)
4574         (Incremental_inputs_header_write, Incremental_inputs_entry)
4575         (Incremental_inputs_entry_write): here.
4576
4577 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4578
4579         * incremental.cc (make_sized_incremental_binary): Set the target.
4580         Error if it is incompatible.
4581         * output.h (Output_file): Add filename method.
4582
4583 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4584
4585         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4586         from the get_* methods.
4587
4588 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4589
4590         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4591         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4592         Write 0 for the data_offset of scripts.
4593
4594 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4595
4596         * testsuite/Makefile.am: Add the incremental_test.sh test.
4597         * testsuite/incremental_test.sh: New.
4598         * testsuite/incremental_test_1.c: New.
4599         * testsuite/incremental_test_2.c: New.
4600
4601 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4602
4603        * incremental-dump.cc (main): Fix typos.
4604
4605 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4606
4607         PR gold/11025
4608         * incremental-dump.cc (main): Use llu to print 64 bit values.
4609
4610 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
4611             H.J. Lu  <hongjiu.lu@intel.com>
4612
4613         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4614         $(LIBDL).
4615         (incremental_dump_LDADD): Likewise.
4616         * Makefile.in: Regenerated.
4617
4618 2009-11-25  Doug Kwan  <dougkwan@google.com>
4619
4620         Revert:
4621
4622         2009-11-25  Doug Kwan  <dougkwan@google.com>
4623
4624                 * arm.cc (Target_arm::Target_arm): Move method definition
4625                 outside of class definition.  Add code to handle
4626                 --target1-rel, --target1-abs and --target2= options.
4627                 (Target_arm::get_reloc_reloc_type): Change method to be
4628                 non-static and const.
4629                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4630                 New data member declaration.
4631                 (Target_arm::Scan::local, Target_arm::Scan::global,
4632                 Target_arm::Relocate::relocate,
4633                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4634                 Adjust call to Target_arm::get_real_reloc_type.
4635                 (Target_arm::get_real_reloc_type): Use command line options
4636                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4637                 * options.h (--target1-rel, --target1-abs, --target2): New
4638                 ARM-only options.
4639
4640 2009-11-25  Doug Kwan  <dougkwan@google.com>
4641
4642         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4643         class definition.  Add code to handle --target1-rel, --target1-abs
4644         and --target2= options.
4645         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4646         and const.
4647         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4648         member declaration.
4649         (Target_arm::Scan::local, Target_arm::Scan::global,
4650         Target_arm::Relocate::relocate,
4651         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4652         call to Target_arm::get_real_reloc_type.
4653         (Target_arm::get_real_reloc_type): Use command line options to
4654         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4655         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4656         options.
4657
4658 2009-11-25  Doug Kwan  <dougkwan@google.com>
4659
4660         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4661         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4662         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4663         formatting.
4664         (Arm_relocate_functions::thm_call): Replace body with a call to
4665         Arm_relocate_functions::thumb_branch_common.
4666         (Arm_relocate_functions::thm_jump24,
4667         Arm_relocate_functions::thm_xpc22): New method definitions.
4668         (Arm_relocate_functions::thumb_branch_common): New method definition.
4669         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4670         operator.
4671         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4672         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4673
4674 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4675
4676         * Makefile.am: Build incremental-dump
4677         * Makefile.in: Regenerate.
4678         * incremental-dump.cc: New.
4679         * incremental.cc (Incremental_inputs_header_data,
4680         Incremental_inputs_entry_data): Move to incremental.h
4681         * incremental.h: (Incremental_inputs_header_data,
4682         Incremental_inputs_entry_data): Move from incremental.cc
4683
4684 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4685
4686         * incremental.cc (Incremental_inputs_header,
4687         Incremental_inputs_header_write, Incremental_inputs_entry,
4688         Incremental_inputs_entry_write): Add a typedef with the data type.
4689
4690 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4691
4692         * incremental.cc (Incremental_inputs_header,
4693         Incremental_inputs_header_write, Incremental_inputs_entry,
4694         Incremental_inputs_entry_write): Update comment about which
4695         type has the filed descriptions.
4696
4697 2009-11-15  Doug Kwan  <dougkwan@google.com>
4698
4699         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4700         (Arm_relocate_functions::arm_branch_common): Change method defintion
4701         in class definition to a method declaration and update list of formal
4702         parameters.
4703         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4704         Arm_relocation_functions::jump24): Adjust call to
4705         Arm_relocate_functions::arm_branch_common.  Update list of formal
4706         parameters.
4707         (Arm_relocate_functions::xpc25): New method definition.
4708         (Arm_relocate_functions::arm_branch_common): Move method defintion
4709         out from class definition.  Use stubs for mode-switching and extending
4710         branch ranges.
4711         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4712         specially.  Change code to enable use of stubs in ARM branches.
4713
4714 2009-11-10  Doug Kwan  <dougkwan@google.com>
4715
4716         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4717         in method declaration.
4718         (Target_arm::relocate_stub): New method declaration.
4719         (Target_arm::default_target): Change to return a pointer instead of
4720         a const reference.
4721         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4722         Target_arm::default_target.
4723         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4724         method definition.
4725         (Target_arm::relocate_section): Adjust view.
4726         (Target_arm::relocate_stub): New method definition.
4727
4728 2009-11-10  Doug Kwan  <dougkwan@google.com>
4729
4730         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4731         a format warning.
4732         * incremental.cc (open_incremental_binary): Initialized local
4733         variables to avoid warnings.
4734         * object.cc (make_elf_object): Ditto.
4735         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4736         a format warning.
4737
4738 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4739
4740         PR gold/10930
4741         * testsuite/plugin_test.c: Include "config.h".
4742
4743 2009-11-09  Doug Kwan  <dougkwan@google.com>
4744
4745         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4746         (arm_symbol_value): Remove.
4747         (Arm_relocate_functions::arm_branch_common,
4748         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4749         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4750         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4751         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4752         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4753         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4754         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4755         Arm_relocate_functions::thm_mobw_abs_nc,
4756         Arm_relocate_functions::thm_mov_abs,
4757         Arm_relocate_functions::movw_prel_nc,
4758         Arm_relocate_functions::thm_movt_abs,
4759         Arm_relocate_functions::movt_prel,
4760         Arm_relocate_functions::thm_movw_prel_nc,
4761         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4762         (Target_arm::Relocate::relocate): Only decompose address into two
4763         parts if relocation type uses the thumb-bit and pass the actual
4764         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4765         calls to methods in Arm_relocate_functions for this change.
4766
4767 2009-11-08  Ian Lance Taylor  <iant@google.com>
4768
4769         PR 10925
4770         * reloc.cc: Instantiate
4771         Sized_relobj::initialize_input_to_output_maps and
4772         Sized_relobj:free_input_to_output_maps.
4773
4774 2009-11-06  Ian Lance Taylor  <iant@google.com>
4775
4776         PR 10876
4777         * defstd.cc (in_segment): Set only_if_ref true for "end".
4778
4779 2009-11-06  Doug Kwan  <dougkwan@google.com>
4780
4781         * arm.cc (class Reloc_stub): Correct a comment.
4782         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4783         (Target_arm::scan_section_for_stubs): New method declaration.
4784         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4785         Change methods from private to protected.
4786         (Target_arm::do_may_relax): New method definition.
4787         (Target_arm::do_relax, Target_arm::group_sections,
4788         Target_arm::scan_reloc_for_stub,
4789         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4790         (Target_arm::arm_input_section_map_): New data member declaration.
4791         (Target_arm::scan_reloc_for_stub,
4792         Target_arm::scan_reloc_section_for_stubs,
4793         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4794         Target_arm::do_relax): New method definitions.
4795
4796 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4797
4798         * configure.ac: Check for (struct stat)::st_mtim
4799         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4800         * config.in: Regenerate.
4801         * configure: Regenerate.
4802
4803 2009-11-05  Ian Lance Taylor  <iant@google.com>
4804
4805         PR 10910
4806         * output.cc (Output_segment::add_output_section): Add missing
4807         return statement.
4808
4809 2009-11-04  Ian Lance Taylor  <iant@google.com>
4810
4811         PR 10880
4812         * object.h (class Object): Add is_needed and set_is_needed
4813         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4814         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4815         defined in a dynamic object and referenced by a regular object,
4816         set is_needed for the dynamic object.
4817         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4818         if the file is marked with as_needed and it is not needed.
4819
4820 2009-11-04  Ian Lance Taylor  <iant@google.com>
4821
4822         PR 10887
4823         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4824         tags if data is discarded by linker script.
4825         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4826         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4827         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4828         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4829
4830 2009-11-04  Ian Lance Taylor  <iant@google.com>
4831
4832         * layout.cc (Layout::get_output_section): Add is_interp and
4833         is_dynamic_linker_section parameters.  Change all callers.
4834         (Layout::choose_output_section): Likewise.
4835         (Layout::make_output_section): Likewise.
4836         (Layout::add_output_section_data): Add is_dynamic_linker_section
4837         parameter.  Change all callers.
4838         * layout.h (class Layout): Update declarations.
4839         * output.h (class Output_section): Add is_interp, set_is_interp,
4840         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4841         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4842         generate_code_fills_at_write_ to a bitfield.
4843         * output.cc (Output_section::Output_sections): Initialize new
4844         fields.
4845         (Output_segment::add_output_section): Add do_sort parameter.
4846         Change all callers.
4847
4848 2009-11-03  Ian Lance Taylor  <iant@google.com>
4849
4850         PR 10860
4851         * options.h (class General_options): Add --warn-common.
4852         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4853         merging two common symbols.
4854         (Symbol_table::should_override): Handle --warn-common when merging
4855         a common symbol with a defined symbol.  Use report_resolve_problem
4856         for multiple definitions.
4857         (Symbol_table::report_resolve_problem): New function.
4858         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4859
4860 2009-11-03  Doug Kwan  <dougkwan@google.com>
4861
4862         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4863         stub_factory_.
4864         (Target_arm::stub_factory): New method definition.
4865         (Target_arm::new_arm_input_section,
4866         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4867         Target_arm::reloc_uses_thumb_bit): New method declarations.
4868         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4869         New type definitions.
4870         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4871         member declarations.
4872         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4873         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4874         New method definitions.
4875
4876 2009-11-03  Ian Lance Taylor  <iant@google.com>
4877
4878         * options.h (class General_options): Add --warn_constructors.
4879
4880 2009-11-03  Ian Lance Taylor  <iant@google.com>
4881
4882         PR 10893
4883         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4884         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4885
4886 2009-11-03  Ian Lance Taylor  <iant@google.com>
4887
4888         PR 10895
4889         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4890         --msgid-bugs-address.
4891         (install-pdf): New target.
4892         (install-data_yes): Look up one directory to find mkinstalldirs.
4893
4894 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4895
4896         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4897         tree.
4898
4899 2009-10-30  Doug Kwan  <dougkwan@google.com>
4900
4901         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4902
4903 2009-10-30  Doug Kwan  <dougkwan@google.com>
4904
4905         * arm.cc (Stub_addend_reader): New struct template definition
4906         and partial specializations.
4907         (Stub_addend_reader::operator()): New method definition for a
4908         partially specialized template.
4909
4910 2009-10-30  Doug Kwan  <dougkwan@google.com>
4911
4912         * arm.cc (Arm_relobj::processor_specific_flags): New method
4913         definition.
4914         (Arm_relobj::do_read_symbols): New method declaration.
4915         (Arm_relobj::processor_specific_flags_): New data member declaration.
4916         (Arm_dynobj): New class definition.
4917         (Target_arm::do_finalize_sections): Add input_objects parameter.
4918         (Target_arm::do_adjust_elf_header): New method declaration.
4919         (Target_arm::are_eabi_versions_compatible,
4920         (Target_arm::merge_processor_specific_flags): New method declaration.
4921         (Target_arm::do_make_elf_object): New overloaded method definitions
4922         and declaration.
4923         (Arm_relobj::do_read_symbols): New method definition.
4924         (Arm_dynobj::do_read_symbols): Ditto.
4925         (Target_arm::do_finalize_sections): Add input_objects parameters.
4926         Merge processor-specific flags from all input objects.
4927         (Target_arm::are_eabi_versions_compatible,
4928         Target_arm::merge_processor_specific_flags,
4929         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4930         New method definitions.
4931         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4932         Input_objects pointer type parameter.
4933         * layout.cc (Layout::finalize): Pass input objects to target's.
4934         finalize_sections function.
4935         * output.cc (Output_file_header::do_sized_write): Set ELF file
4936         header's processor-specific flags.
4937         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4938         Input_objects pointer type parameter.
4939         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4940         * target.h (Input_objects): New forward class declaration.
4941         (Target::processor_specific_flags,
4942         Target::are_processor_specific_flags_sect): New method definitions.
4943         (Target::finalize_sections): Add input_objects parameter.
4944         (Target::Target): Initialize processor_specific_flags_ and
4945         are_processor_specific_flags_set_.
4946         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4947         parameter.
4948         (Target::set_processor_specific_flags): New method definition.
4949         (Target::processor_specific_flags_,
4950         Target::are_processor_specific_flags_set_): New data member
4951         declarations.
4952         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4953         Input_objects pointer type parameter.
4954
4955 2009-10-30  Doug Kwan  <dougkwan@google.com>
4956
4957         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4958
4959 2009-10-28  Ian Lance Taylor  <iant@google.com>
4960
4961         * object.h (class Relobj): Drop options parameter from
4962         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4963         do_scan_relocs, do_relocate.  Change all callers.
4964         (class Sized_relobj): Drop options parameters from
4965         do_gc_process_relocs, do_scan_relocs, do_relocate,
4966         do_relocate_sections, relocate_sections, emit_relocs_scan,
4967         emit_relocs_scan_reltype.  Change all callers.
4968         (struct Relocate_info): Remove options field and all references to
4969         it.
4970         * reloc.h (class Read_relocs): Remove options constructor
4971         parameter and options_ field.  Change all callers.
4972         (class Gc_process_relocs, class Scan_relocs): Likewise.
4973         (class Relocate_task): Likewise.
4974         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4975         all callers.
4976         (scan_relocatable_relocs): Likewise.
4977         * target.h (class Sized_target): Remove options parameter from
4978         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4979         all callers.
4980         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4981         callers.
4982         * arm.cc: Update functions to remove options parameters.
4983         * i386.cc: Likewise.
4984         * powerpc.cc: Likewise.
4985         * sparc.cc: Likewise.
4986         * x86_64.cc: Likewise.
4987         * testsuite/testfile.cc: Likewise.
4988
4989 2009-10-28  Doug Kwan  <dougkwan@google.com>
4990
4991         * arm.cc (Arm_relobj): New class definition.
4992         (Arm_relobj::scan_sections_for_stubs,
4993         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4994         New method definitions.
4995
4996 2009-10-28  Cary Coutant  <ccoutant@google.com>
4997
4998         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4999         (Plugin::cleanup_done_): New member.
5000         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
5001         (Plugin_manager::cleanup_done_): Remove.
5002         (Plugin_manager::add_input_file): Edit error message.
5003         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
5004         (Plugin_manager::cleanup): Remove use of cleanup_done_.
5005
5006 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
5007
5008         * fileread.cc: (File_read::View::~View): Use the new
5009         data_ownership_ filed.
5010         (File_read::~File_read): Dispose the new whole_file_view_.
5011         (File_read::open): Mmap the whole file if needed.
5012         (File_read::open): Use whole_file_view_ instead of contents_.
5013         (File_read::find_view): Use whole_file_view_ if applicable.
5014         (File_read::do_read): Use whole_file_view_ instead of contents_.
5015         (File_read::make_view): Use whole_file_view_ instead of contents_,
5016         update File_read::View::View call.
5017         (File_read::find_or_make_view): Update File_read::View::View
5018         call.
5019         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
5020         remove contents_
5021         (File_read::View::Data_ownership): New enum.
5022         (File_read::View::View): Replace bool mapped_ with Data_ownership
5023         argument.
5024         (File_read::View::mapped_): Remove (replaced by data_ownership_).
5025         (File_read::View::data_ownership_): New field.
5026         (File_read::contents_): Remove (replaced by whole_file_view_).
5027         (File_read::whole_file_view_): New field.
5028         * options.h (class General_options): Add --keep-files-mapped.
5029
5030 2009-10-27  Cary Coutant  <ccoutant@google.com>
5031
5032         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
5033         * testsuite/Makefile.am (plugin_test_5): New test case.
5034         * testsuite/Makefile.in: Regenerate.
5035
5036 2009-10-25  Doug Kwan  <dougkwan@google.com>
5037
5038         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
5039         from private to protected to allow access by child class.
5040         (Sized_relobj::do_relocate_sections): New method declaration.
5041         (Sized_relobj::relocate_sections): Virtualize.
5042         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
5043         Sized_relobj::relocate_sections.  Instantiate template explicitly
5044         for different target sizes and endianity.
5045
5046 2009-10-24  Doug Kwan  <dougkwan@google.com>
5047
5048         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
5049         (Arm_input_section::as_arm_input_section): New method.
5050         (Arm_output_section): New class definition.
5051         (Arm_output_section::create_stub_group,
5052         Arm_output_section::group_sections): New method definitions.
5053
5054 2009-10-22  Doug Kwan  <dougkwan@google.com>
5055
5056         * arm.cc (Arm_input_section): New class definition.
5057         (Arm_input_section::init, Arm_input_section:do_write,
5058         Arm_input_section::set_final_data_size,
5059         Arm_input_section::do_reset_address_and_file_offset): New method
5060         definitions.
5061
5062 2009-10-21  Doug Kwan  <dougkwan@google.com>
5063
5064         * arm.cc (Stub_table, Arm_input_section): New forward class
5065         declarations.
5066         (Stub_table): New class defintion.
5067         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
5068         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
5069         New method definition.
5070
5071 2009-10-21  Doug Kwan  <dougkwan@google.com>
5072
5073         * arm.cc: Update copyright comments.
5074         (Target_arm): New forward class template declaration.
5075         (Arm_address): New type.
5076         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
5077         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
5078         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
5079         constants.
5080         (Insn_template): Same.
5081         (DEF_STUBS): New macro.
5082         (Stub_type): New enum type.
5083         (Stub_template): New class definition.
5084         (Stub): Same.
5085         (Reloc_stub): Same.
5086         (Stub_factory): Same.
5087         (Target_arm::Target_arm): Initialize may_use_blx_ and
5088         should_force_pic_veneer_.
5089         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
5090         Target_arm::should_force_pic_veneer,
5091         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
5092         Target_arm::using_thumb_only, Target_arm:;default_target): New
5093         method defintions.
5094         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
5095         New data member declarations.
5096         (Insn_template::size, Insn_template::alignment): New method defintions.
5097         (Stub_template::Stub_template): New method definition.
5098         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
5099         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
5100         (Stub_factory::Stub_factory): New method definition.
5101         * gold.h (string_hash): New template.
5102         * output.h (Input_section_specifier::hash_value): Use
5103         gold::string_hash.
5104         (Input_section_specifier::string_hash): Remove.
5105         * stringpool.cc (Stringpool_template::string_hash): Use
5106         gold::string_hash.
5107
5108 2009-10-20  Doug Kwan  <dougkwan@google.com>
5109
5110         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
5111         symbols of relaxed input sections.
5112         * output.h (Output_section::find_relaxed_input_section): Make
5113         method public.
5114
5115 2009-10-16  Doug Kwan  <dougkwan@google.com>
5116
5117         * dynobj.cc (Versions::Versions): Initialize version_script_.
5118         Only insert base version symbol definition for a shared object
5119         if version script defines any version versions.
5120         (Versions::define_base_version): New method definition.
5121         (Versions::add_def): Check that base version is not needed.
5122         (Versions::add_need): Define base version lazily.
5123         * dynobj.h (Versions::define_base_version): New method declaration.
5124         (Versions::needs_base_version_): New data member declaration.
5125         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
5126         (check_DATA): Add no_version_test.stdout.
5127         (libno_version_test.so, no_version_test.o no_version_test.stdout):
5128         New make rules.
5129         * testsuite/Makefile.in: Regenerate.
5130         * testsuite/no_version_test.c: New file.
5131         * testsuite/no_version_test.sh: Ditto.
5132
5133 2009-10-16  Doug Kwan  <dougkwan@google.com>
5134
5135         * expression.cc (class Segment_start_expression): New class definition.
5136         (Segment_start_expression::value): New method definition.
5137         (script_exp_function_segment_start): Return a new
5138         Segment_start_expression.
5139         * gold/script-c.h (script_saw_segment_start_expression): New function
5140         prototype.
5141         * script-sections.cc (Script_sections::Script_sections): Initialize
5142         SAW_SEGMENT_START_EXPRESSION_ to false.
5143         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
5144         and -Tbbs options to specify section addresses if given in
5145         command line and no SEGMENT_START expression is seen in a script.
5146         * script-sections.h (Script_sections::saw_segment_start_expression,
5147         Script_sections::set_saw_segment_start_expression): New method
5148         definition.
5149         (Script_sections::saw_segment_start_expression_): New data member
5150         declaration.
5151         * script.cc (script_saw_segment_start_expression): New function.
5152         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
5153         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
5154         script_test_7.sh and script_test_8.sh.
5155         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
5156         script_test_8.stdout.
5157         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
5158         (script_test_6, script_test_6.stdout, script_test_7,
5159         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
5160         * Makefile.in: Regenerate.
5161         * testsuite/script_test_6.sh: New file.
5162         * testsuite/script_test_6.t: Same.
5163         * testsuite/script_test_7.sh: Same.
5164         * testsuite/script_test_7.t: Same.
5165         * testsuite/script_test_8.sh: Same.
5166
5167 2009-10-16  Doug Kwan  <dougkwan@google.com>
5168
5169         * output.cc (Output_segment::set_section_list_address): Cast
5170         expressions to unsigned long long type to avoid format warnings.
5171
5172 2009-10-15  Ian Lance Taylor  <iant@google.com>
5173
5174         * script.cc (Script_options::add_symbol_assignment): Always add a
5175         dot assignment to script_sections_.
5176         * script-sections.cc (Script_sections::add_dot_assignment):
5177         Initialize if necessary.
5178
5179         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
5180         program headers with no load segment if there is a linker script.
5181
5182         * layout.cc (Layout::set_segment_offsets): Align the file offset
5183         to the segment aligment for -N or -n with no load segment.
5184         * output.cc (Output_segment::add_output_section): Don't crash if
5185         the first section is a TLS section.
5186         (Output_segment::set_section_list_addresses): Print an error
5187         message if the address moves backward in a linker script.
5188         * script-sections.cc
5189         (Output_section_element_input::set_section_addresses): Don't
5190         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
5191         (Orphan_output_section::set_section_addresses): Likewise.
5192
5193 2009-10-15  Doug Kwan  <dougkwan@google.com>
5194
5195         * layout.cc (Layout::finish_dynamic_section): Generate tags
5196         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5197         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
5198         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
5199
5200 2009-10-14  Ian Lance Taylor  <iant@google.com>
5201
5202         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5203         fields.
5204         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5205         data_shdr fields of relinfo.
5206         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5207         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5208         R_386_TLS_LDO_32, adjust based on section flags.
5209         (Target_i386::Relocate::fix_up_ldo): Remove.
5210
5211 2009-10-13  Ian Lance Taylor  <iant@google.com>
5212
5213         Add support for -pie.
5214         * options.h (class General_options): Add -pie and
5215         --pic-executable.
5216         (General_options::output_is_position_independent): Test -pie.
5217         (General_options::output_is_executable): Return true if not shared
5218         and not relocatable.
5219         (General_options::output_is_pie): Remove.
5220         * options.cc (General_options::finalize): Reject incompatible uses
5221         of -pie.
5222         * gold.cc (queue_middle_tasks): A -pie link is not static.
5223         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5224         * symtab.cc (Symbol::final_value_is_known): Return false if
5225         output_is_position_independent.
5226         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5227         output_is_position_independent.
5228         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5229         output_is_position_independent.
5230         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5231         output_is_position_independent.
5232         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5233         two_file_pie_test.
5234         (basic_pie_test.o, basic_pie_test): New targets.
5235         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5236         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5237         (two_file_pie_test): New target.
5238         * testsuite/Makefile.in: Rebuild.
5239         * README: Remove note saying that -pie is not supported.
5240
5241 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5242
5243         * options.h (class General_options): Add -init and -fini.
5244         * layout.cc (Layout::finish_dynamic_section): Emit
5245         given init and fini functions.
5246
5247 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5248
5249         * gc.h (gc_process_relocs): Check if icf is enabled using new
5250         function.
5251         * gold.cc (queue_initial_tasks): Likewise.
5252         (queue_middle_tasks): Likewise.
5253         * object.cc (do_layout): Likewise.
5254         * symtab.cc (is_section_folded): Likewise.
5255         * main.cc (main): Likewise.
5256         * reloc.cc (Read_relocs::run): Likewise.
5257         (Sized_relobj::do_scan_relocs): Likewise.
5258         * icf.cc (is_function_ctor_or_dtor): New function.
5259         (Icf::find_identical_sections): Check if function is ctor or dtor when
5260         safe icf is chosen.
5261         * options.h (General_options::icf): Change option to be an enum.
5262         (Icf_status): New enum.
5263         (icf_enabled): New method.
5264         (icf_safe_folding): New method.
5265         (set_icf_status): New method.
5266         (icf_status_): New variable.
5267         * (options.cc) (General_options::finalize): Set icf_status_.
5268         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5269         icf_test and icf_keep_unique_test to use the --icf enum flag.
5270         * testsuite/icf_safe_test.sh: New file.
5271         * testsuite/icf_safe_test.cc: New file.
5272
5273 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5274
5275         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5276         includes to gc.h and icf.h.
5277         * arm.cc: Include gc.h.
5278         * gold.cc: Likewise.
5279         * i386.cc: Likewise.
5280         * powerpc.cc: Likewise.
5281         * sparc.cc: Likewise.
5282         * x86_64.cc: Likewise.
5283         * gc.h: Include icf.h.
5284
5285 2009-10-11  Ian Lance Taylor  <iant@google.com>
5286
5287         * plugin.cc: Include "gold.h" before other header files.
5288
5289 2009-10-10  Chris Demetriou  <cgd@google.com>
5290
5291         * options.h (Input_file_argument::Input_file_type): New enum.
5292         (Input_file_argument::is_lib_): Replace with...
5293         (Input_file_argument::type_): New member.
5294         (Input_file_argument::Input_file_argument): Take Input_file_type
5295         'type' rather than boolean 'is_lib' as second argument.
5296         (Input_file_argument::is_lib): Use type_.
5297         (Input_file_argument::is_searched_file): New function.
5298         (Input_file_argument::may_need_search): Handle is_searched_file.
5299         * options.cc (General_options::parse_library): Support -l:filename.
5300         (General_options::parse_just_symbols): Update for Input_file_argument
5301         changes.
5302         (Command_line::process): Likewise.
5303         * archive.cc (Archive::get_file_and_offset): Likewise.
5304         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5305         * script.cc (read_script_file, script_add_file): Likewise.
5306         * fileread.cc (Input_file::Input_file): Likewise.
5307         (Input_file::will_search_for): Handle is_searched_file.
5308         (Input_file::open): Likewise.
5309         * readsyms.cc (Read_symbols::get_name): Likewise.
5310         * testsuite/Makefile.am (searched_file_test): New test.
5311         * testsuite/Makefile.in: Regenerate.
5312         * testsuite/searched_file_test.cc: New file.
5313         * testsuite/searched_file_test_lib.cc: New file.
5314
5315 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5316             Ian Lance Taylor  <iant@google.com>
5317
5318         * descriptor.cc: Include <cstdio> and "binary-io.h".
5319         (Descriptors::open): Open the files in binary mode always.
5320         * script.cc (Lex::get_token): Treat \r as whitespace.
5321
5322 2009-10-09  Ian Lance Taylor  <iant@google.com>
5323
5324         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5325
5326 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5327             Ian Lance Taylor  <iant@google.com>
5328
5329         * configure.ac: Check for readv function also.
5330         * fileread.cc (readv): Define if not HAVE_READV.
5331         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5332         does not exist.
5333         * config.in: Regenerate.
5334         * configure: Regenerate.
5335
5336 2009-10-09  Doug Kwan  <dougkwan@google.com>
5337
5338         * layout.cc (Layout::make_output_section): Call target hook to make
5339         ordinary output section.
5340         (Layout::finalize): Adjust parameter list of call the
5341         Target::may_relax().
5342         * layout.h (class Layout::section_list): New method.
5343         * merge.h (Output_merge_base::entsize): Change visibility to public.
5344         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5345         New methods.
5346         (Output_merge_string::do_is_string): New method.
5347         * object.cc (Sized_relobj::do_setup): renamed from
5348         Sized_relobj::set_up.
5349         * object.h (Sized_relobj::adjust_shndx,
5350         Sized_relobj::initializ_input_to_output_maps,
5351         Sized_relobj::free_input_to_output_maps): Change visibilities to
5352         protected.
5353         (Sized_relobj::setup): Virtualize.
5354         (Sized_relobj::do_setup): New method declaration.
5355         (Sized_relobj::invalidate_section_offset,
5356         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5357         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5358         * options.cc (parse_int): New function.
5359         * options.h (parse_int): New declaration.
5360         (DEFINE_int): New macro.
5361         (stub_group_size): New option.
5362         * output.cc (Output_section::Output_section): Initialize memebers
5363         merge_section_map_, merge_section_by_properties_map_,
5364         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5365         (Output_section::add_input_section): Handled deferred code-fill
5366         generation and remove an old comment.
5367         (Output_section::add_relaxed_input_section): New method definition.
5368         (Output_section::add_merge_input_section): Use merge section by
5369         properties map to speed to search.  Update merge section maps
5370         as appropriate.
5371         (Output_section::build_relaxation_map): New method definition.
5372         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5373         Same.
5374         (Output_section::relax_input_section): Renamed to
5375         Output_section::convert_input_sections_to_relaxed_sections and change
5376         interface to take a vector of pointers to relaxed sections.
5377         (Output_section::find_merge_section,
5378         Output_section::find_relaxed_input_section): New method definitions.
5379         (Output_section::is_input_address_mapped,
5380         Output_section::output_offset, Output_section::output_address):
5381         Use output section data maps to speed up searching.
5382         (Output_section::find_starting_output_address): Add comments.
5383         (Output_section::do_write,
5384         Output_section::write_to_postprocessing_buffer): Do code-fill
5385         generation as appropriate.
5386         (Output_section::get_input_sections): Invalidate relaxed input section
5387         map.
5388         (Output_section::restore_states): Adjust type of checkpoint .
5389         Invalidate relaxed input section map.
5390         * output.h (Output_merge_base): New class declaration.
5391         (Input_section_specifier): New class defintion.
5392         (class Output_relaxed_input_section) Change base class to
5393         Output_section_data_build.
5394         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5395         base class initializer.
5396         (Output_section::add_relaxed_input_section): New method declaration.
5397         (Output_section::Input_section): Change visibility to protected.
5398         (Output_section::Input_section::relobj,
5399         Output_section::Input_section::shndx): Handle relaxed input sections.
5400         Output_section::input_sections) Change visibility to protected.  Also
5401         define overload to return a non-const pointer.
5402         (Output_section::Merge_section_properties): New class defintion.
5403         (Output_section::Merge_section_by_properties_map,
5404         Output_section::Output_section_data_by_input_section_map,
5405         Output_section::Relaxation_map): New types.
5406         (Output_section::relax_input_section): Rename method to
5407         Output_section::convert_input_sections_to_relaxed_sections and change
5408         interface to take a vector of relaxed section pointers.
5409         (Output_section::find_merge_section,
5410         Output_section::find_relaxed_input_section,
5411         Output_section::build_relaxation_map,
5412         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5413         New method declarations.
5414         (Output_section::merge_section_map_
5415         Output_section::merge_section_by_properties_map_,
5416         Output_section::relaxed_input_section_map_,
5417         Output_section::is_relaxed_input_section_map_valid_,
5418         Output_section::generate_code_fills_at_write_): New data members.
5419         * script-sections.cc
5420         (Output_section_element_input::set_section_addresses): Call
5421         current_data_size and addralign methods of relaxed input sections.
5422         (Orphan_output_section::set_section_addresses): Call current_data_size
5423         and addralign methods of relaxed input sections.
5424         * symtab.cc (Symbol_table::compute_final_value): Extract template
5425         from the body of Symbol_table::sized_finalize_symbol.
5426         (Symbol_table::sized_finalized_symbol): Call
5427         Symbol_table::compute_final_value.
5428         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5429         (Symbol_table::compute_final_value): New templated method declaration.
5430         * target.cc (Target::do_make_output_section): New method defintion.
5431         * target.h (Target::make_output_section): New method declaration.
5432         (Target::relax): Add more parameters for input objects, symbol table
5433         and layout.  Adjust call to do_relax.
5434         (Target::do_make_output_section): New method declaration.
5435         (Target::do_relax): Add parameters for input objects, symbol table
5436         and layout.
5437
5438 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5439
5440         * pread.c: Include stdio.h.
5441
5442 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5443
5444         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5445         defined.
5446
5447 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5448
5449         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5450         Change read_shndx type to unsigned int.
5451         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5452         int.
5453         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5454         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5455         Change read_shndx type to unsigned int.
5456         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5457         int.
5458         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5459         * layout.cc (Layout::create_symtab_sections): Cast the result of
5460         local_symcount * symsize to off_t in the gold_assert.
5461
5462 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5463
5464         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5465         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5466         R_ARM_BASE_ABS.
5467         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5468         (Arm_relocate_functions::thm_abs5): New function.
5469         (Arm_relocate_functions::abs12): New function.
5470         (Arm_relocate_functions::abs16): New function.
5471         (Arm_relocate_functions::base_abs): New function.
5472         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5473         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5474         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5475         R_ARM_BASE_ABS.
5476         (Scan::global): Likewise.
5477         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5478         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5479         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5480         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5481         R_ARM_BASE_ABS.
5482
5483 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5484
5485         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5486         (Arm_relocate_functions::movt_prel): New function.
5487         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5488         (Arm_relocate_functions::thm_movt_prel): New function.
5489         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5490         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5491         (Scan::global, Relocate::relocate): Likewise.
5492         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5493
5494 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5495
5496         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5497         Incremental_checker.
5498         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5499         unsigned int.
5500         (class Incremental_inputs_header): New class.
5501         (Incremental_inputs_header_writer): Edit comment.
5502         (Incremental_inputs_entry): New class.
5503         (Incremental_inputs_entry_writer): Edit comment.
5504         (Sized_incremental_binary::do_find_incremental_inputs_section):
5505         Add *strtab_shndx parameter, fill it.
5506         (Sized_incremental_binary::do_check_inputs): New method.
5507         (Incremental_checker::can_incrementally_link_output_file): Use
5508         Sized_incremental_binary::check_inputs.
5509         (Incremental_inputs::report_command_line): Save command line in
5510         command_line_.
5511         * incremental.h:
5512         (Incremental_binary::find_incremental_inputs_section): New
5513         method.
5514         (Incremental_binary::do_find_incremental_inputs_section): Add
5515         strtab_shndx parameter.
5516         (Incremental_binary::do_check_inputs): New pure virtual method.
5517         (Sized_incremental_binary::do_check_inputs): Declare.
5518         (Incremental_checker::Incremental_checker): Add incremental_inputs
5519         parameter, use it to initialize incremental_inputs_.
5520         (Incremental_checker::incremental_inputs_): New field.
5521         (Incremental_checker::command_line): New method.
5522         (Incremental_checker::inputs): New method.
5523         (Incremental_checker::command_line_): New field.
5524
5525 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5526
5527         * incremental.cc: Include <cstdarg> and "target-select.h".
5528         (vexplain_no_incremental): New function.
5529         (explain_no_incremental): New function.
5530         (Incremental_binary::error): New method.
5531         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5532         method.
5533         (make_sized_incremental_binary): New function.
5534         (open_incremental_binary): New function.
5535         (can_incrementally_link_file): Add checks if output is ELF and has
5536         inputs section.
5537         * incremental.h: Include "elfcpp_file.h" and "output.h".
5538         (Incremental_binary): New class.
5539         (Sized_incremental_binary): New class.
5540         (open_incremental_binary): Declare.
5541         * object.cc (is_elf_object): Use
5542         elfcpp::Elf_recognizer::is_elf_file.
5543         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5544         * output.h (Output_file::filesize): New method.
5545
5546 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5547
5548         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5549         New function.
5550         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5551         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5552         function.
5553         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5554         function.
5555         (Arm_relocate_functions::movw_abs_nc): New function.
5556         (Arm_relocate_functions::movt_abs): New function.
5557         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5558         (Arm_relocate_functions::thm_movt_abs): New function.
5559         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5560         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5561         (Scan::global): Likewise.
5562         (Relocate::relocate): Likewise.
5563         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5564
5565 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5566
5567         * arm.cc (Arm_relocate_functions::got_prel) New function.
5568         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5569         (Relocate::relocate): Likewise.
5570         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5571
5572 2009-10-06  Ian Lance Taylor  <iant@google.com>
5573
5574         * options.h (class General_options): Define
5575         split_stack_adjust_size parameter.
5576         * object.h (class Object): Add uses_split_stack_ and
5577         has_no_split_stack_ fields.  Add uses_split_stack and
5578         has_no_split_stack accessor functions.  Declare
5579         handle_split_stack_section.
5580         (class Reloc_symbol_changes): Define.
5581         (class Sized_relobj): Define Function_offsets.  Declare
5582         split_stack_adjust, split_stack_adjust_reltype, and
5583         find_functions.
5584         * object.cc (Object::handle_split_stack_section): New function.
5585         (Sized_relobj::do_layout): Call handle_split_stack_section.
5586         * dynobj.cc (Sized_dynobj::do_layout): Call
5587         handle_split_stack_section.
5588         * reloc.cc (Sized_relobj::relocate_sections): Call
5589         split_stack_adjust for executable sections in split_stack
5590         objects.  Pass reloc_map to relocate_section.
5591         (Sized_relobj::split_stack_adjust): New function.
5592         (Sized_relobj::split_stack_adjust_reltype): New function.
5593         (Sized_relobj::find_functions): New function.
5594         * target-reloc.h: Include "object.h".
5595         (relocate_section): Add reloc_symbol_changes parameter.  Change
5596         all callers.
5597         * target.h (class Target): Add calls_non_split method.  Declare
5598         do_calls_non_split virtual method.  Declare match_view and
5599         set_view_to_nop.
5600         * target.cc: Include "elfcpp.h".
5601         (Target::do_calls_non_split): New function.
5602         (Target::match_view): New function.
5603         (Target::set_view_to_nop): New function.
5604         * gold.cc (queue_middle_tasks): Give an error if mixing
5605         split-stack and non-split-stack objects with -r.
5606         * i386.cc (Target_i386::relocate_section): Add
5607         reloc_symbol_changes parameter.
5608         (Target_i386::do_calls_non_split): New function.
5609         * x86_64.cc (Target_x86_64::relocate_section): Add
5610         reloc_symbol_changes parameter.
5611         (Target_x86_64::do_calls_non_split): New function.
5612         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5613         parameter.
5614         * powerpc.cc (Target_powerpc::relocate_section): Add
5615         reloc_symbol_changes parameter.
5616         * sparc.cc (Target_sparc::relocate_section): Add
5617         reloc_symbol_changes parameter.
5618         * configure.ac: Call AM_CONDITIONAL for the default target.
5619         * configure: Rebuild.
5620         * testsuite/Makefile.am (TEST_AS): New variable.
5621         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5622         (check_DATA): Add split_i386 and split_x86_64 files.
5623         (SPLIT_DEFSYMS): Define.
5624         (split_i386_[1234n].o): New targets.
5625         (split_i386_[124]): New targets.
5626         (split_i386_[1234r].stdout): New targets.
5627         (split_x86_64_[1234n].o): New targets.
5628         (split_x86_64_[124]): New targets.
5629         (split_x86_64_[1234r].stdout): New targets.
5630         (MOSTLYCLEANFILES): Add new executables.
5631         * testsuite/split_i386.sh: New file.
5632         * testsuite/split_x86_64.sh: New file.
5633         * testsuite/split_i386_1.s: New file.
5634         * testsuite/split_i386_2.s: New file.
5635         * testsuite/split_i386_3.s: New file.
5636         * testsuite/split_i386_4.s: New file.
5637         * testsuite/split_i386_n.s: New file.
5638         * testsuite/split_x86_64_1.s: New file.
5639         * testsuite/split_x86_64_2.s: New file.
5640         * testsuite/split_x86_64_3.s: New file.
5641         * testsuite/split_x86_64_4.s: New file.
5642         * testsuite/split_x86_64_n.s: New file.
5643         * testsuite/testfile.cc (Target_test): Update relocation_section
5644         function.
5645         * testsuite/Makefile.in: Rebuild.
5646
5647 2009-10-06  Ian Lance Taylor  <iant@google.com>
5648
5649         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5650         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5651         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5652         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5653         the address on ldo_addrs_.
5654         (Target_i386::Relocate::fix_up_ldo): New function.
5655
5656 2009-10-06   Rafael Espindola  <espindola@google.com>
5657
5658         * plugin.cc (add_input_library): New.
5659         (Plugin::load): Add add_input_library to tv.
5660         (Plugin_manager::add_input_file): Add the is_lib argument.
5661         (add_input_file): Update call to Plugin_manager::add_input_file.
5662         (add_input_library): New.
5663         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5664
5665 2009-09-30  Doug Kwan  <dougkwan@google.com>
5666
5667         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5668         symbol and call Symbol::may_need_copy_reloc to determine if
5669         a copy reloc is needed.
5670         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5671         nocopyreloc is given in command line.
5672         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5673         given in command line.
5674         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5675         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5676         of the removed Target_i386::may_need_copy_reloc.
5677         * options.h (copyreloc): New option with default value false.
5678         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5679         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5680         instead of the removed Target_powerpc::may_need_copy_reloc.
5681         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5682         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5683         instead of the removed Target_sparc::may_need_copy_reloc.
5684         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5685         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5686         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5687         instead of the removed Target_x86_64::may_need_copy_reloc.
5688
5689 2009-09-30  Ian Lance Taylor  <iant@google.com>
5690
5691         * object.h (class Object): Remove target_ field, and target,
5692         sized_target, and set_target methods.
5693         (Object::sized_target): Remove.
5694         (class Sized_relobj): Update declarations.  Remove sized_target.
5695         * object.cc (Sized_relobj::setup): Remove target parameter.
5696         Change all callers.
5697         (Input_objects::add_object): Don't do anything with the target.
5698         (make_elf_sized_object): Add punconfigured parameter.  Change all
5699         callers.  Set or test parameter target.
5700         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5701         Change all callers.
5702         * parameters.cc (Parameters::set_target): Change parameter type to
5703         be non-const.
5704         (Parameters::default_target): Remove.
5705         (set_parameters_target): Change parameter type to be non-const.
5706         (parameters_force_valid_target): New function.
5707         (parameters_clear_target): New function.
5708         * parameters.h (class Parameters): Update declarations.  Remove
5709         default_target method.  Add sized_target and clear_target
5710         methods.  Change target_ to be non-const.
5711         (set_parameters_target): Update declaration.
5712         (parameters_force_valid_target): Declare.
5713         (parameters_clear_target): Declare.
5714         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5715         as NULL if we aren't searching.
5716         (Add_symbols::run): Don't check for compatible target.
5717         * fileread.cc (Input_file::open_binary): Call
5718         parameters_force_valid_target.
5719         * gold.cc (queue_middle_tasks): Likewise.
5720         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5721         set_target on object.
5722         * dynobj.h (class Sized_dynobj): Update declarations.
5723         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5724         make_elf_object returns NULL.
5725         (Archive::include_member): Don't check whether object target is
5726         compatible.
5727         * output.cc (Output_section::add_input_section): Get target from
5728         parameters.
5729         (Output_section::relax_input_section): Likewise.
5730         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5731         parameters.
5732         (Sized_relobj::do_scan_relocs): Likewise.
5733         (Sized_relobj::relocate_sections): Likewise.
5734         * resolve.cc (Symbol_table::resolve): Likewise.
5735         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5736         parameter.  Change all callers.
5737         (Symbol_table::add_from_object): Get target from parameters.
5738         (Symbol_table::add_from_relobj): Don't check object target.
5739         (Symbol_table::add_from_dynobj): Likewise.
5740         (Symbol_table::define_special_symbol): Get target from
5741         parameters.
5742         * symtab.h (class Symbol_table): Update declaration.
5743         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5744         parameter.  Change all callers.  Clear parameter target.
5745         (Binary_test): Test target here.
5746         * testsuite/object_unittest.cc (gold_testsuite): Remove
5747         target_test_pointer parameter.  Change all callers.
5748         (Object_test): Test target here.
5749
5750 2009-09-26  Ian Lance Taylor  <iant@google.com>
5751
5752         * testsuite/initpri1.c: Don't try to use constructor priorities if
5753         compiling with gcc before 4.3.
5754
5755 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5756
5757         * testsuite/retain_symbols_file_test.sh (check_present): Change
5758         output file name to retain_symbols_file_test.stdout.
5759         (check_absent): Likewise.
5760
5761 2009-09-18  Craig Silverstein  <csilvers@google.com>
5762
5763         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5764         * options.cc: Include <cerrno> and <fstream>.
5765         (General_options::finalize): Parse -retain-symbols-file tag.
5766         * options.h: New flag.
5767         (General_options): New method should_retain_symbol, new
5768         variable symbols_to_retain.
5769         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5770         should_retain_symbol map.
5771         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5772         * testsuite/Makefile.in: Regenerate.
5773         * testsuite/retain_symbols_file_test.sh: New file.
5774
5775 2009-09-18  Nick Clifton  <nickc@redhat.com>
5776
5777         * po/es.po: Updated Spanish translation.
5778
5779 2009-09-17  Doug Kwan  <dougkwan@google.com>
5780
5781         * debug.h (DEBUG_RELAXATION): New constant.
5782         (DEBUG_ALL): Add DEBUG_RELAXATION.
5783         (debug_string_to_enum): Add relaxation debug option.
5784         * layout.cc
5785         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5786         Layout::Relaxation_debug_check::read_sections,
5787         Layout::Relaxation_debug_check::read_sections): New method definitions.
5788         (Layout::Layout): Initialize data members
5789         record_output_section_data_from_scrips_,
5790         script_output_section_data_list_ and relaxation_debug_check_.
5791         (Layout::save_segments, Layout::restore_segments,
5792         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5793         Layout::relaxation_loop_body): New method definitions.
5794         (Layout::finalize): Support relaxation.  Move section layout code to
5795         Layout::relaxation_loop_body.
5796         (Layout::set_asection_address_from_script): Move code for orphan
5797         section placement out.
5798         (Layout::place_orphan_sections_in_script): New method definition.
5799         * layout.h (Output_segment_headers, Output_file_header):
5800         New forward class declarations.
5801         (Layout::~Layout): Define.
5802         (Layout::new_output_section_data_from_script): New method definition.
5803         (Layout::place_orphan_sections_in_script): New method declaration.
5804         (Layout::Segment_states): New type declaration.
5805         (Layout::save_segments, Layout::restore_segments,
5806         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5807         Layout::relaxation_loop_body): New method declarations.
5808         (Layout::Output_section_data_list): New type declaration.
5809         (Layout::Relaxation_debug_check): New class definition.
5810         (Layout::record_output_section_data_from_script_,
5811         Layout::script_output_section_data_list_, Layout::segment_states_,
5812         Layout::relaxation_debug_check_): New data members.
5813         * output.cc: (Output_section_headers::do_size): New method definition.
5814         (Output_section_headers::Output_section_headers): Move size
5815         computation to Output_section_headers::do_size.
5816         (Output_segment_headers::do_size): New method definition.
5817         (Output_file_header::Output_file_header): Move size computation to
5818         Output_file_header::do_size and call it.
5819         (Output_file_header::do_size): New method definition.
5820         (Output_data_group::Output_data_group): Adjust call to
5821         Output_section_data.
5822         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5823         (Output_symtab_xindex::do_write): Add array bound check.
5824         (Output_section::Input_section::print_to_mapfile): Handle
5825         RELAXED_INPUT_SECTION_CODE.
5826         (Output_section::Output_section): Initialize data member checkpoint_.
5827         (Output_section::~Output_section): Delete checkpoint object pointed
5828         by checkpoint_.
5829         (Output_section::add_input_section): Always add an Input_section if
5830         relaxing.
5831         (Output_section::add_merge_input_section): Add assert.
5832         (Output_section::relax_input_section): New method definition.
5833         (Output_section::set_final_data_size): Set load address to zero for
5834         an unallocated section.
5835         (Output_section::do_address_and_file_offset_have_reset_values):
5836         New method definition.
5837         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5838         Handle relaxed input section.
5839         (Output_section::sort_attached_input_sections): Checkpoint input
5840         section list lazily.
5841         (Output_section::get_input_sections): Change type of input_sections to
5842         list of Simple_input_section pointers.  Checkpoint input section list
5843         lazily.  Also handle relaxed input sections.
5844         (Output_section::add_input_section_for_script): Take a reference to
5845         a Simple_input_section object instead of Relobj pointer and section
5846         index as parameter.  Handle relaxed input sections.
5847         (Output_section::save_states, Output_section::restore_states): New
5848         method definitions.
5849         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5850         (Output_data::is_data_size_fixed): New method definition.
5851         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5852         if it is fixed.
5853         (Output_data::address_and_file_offset_have_reset_values): New method
5854         definition.
5855         (Output_data::do_address_and_file_offset_have_reset_values): New method
5856         definition.
5857         (Output_data::set_data_size): Check that data size is not fixed.
5858         (Output_data::fix_data_size): New method definition.
5859         (Output_data::is_data_size_fixed_): New data member.
5860         (Output_section_headers::set_final_data_size): New method definition.
5861         (Output_section_headers::do_size): New method declaration.
5862         (Output_segment_headers::set_final_data_size): New method definition.
5863         (Output_segment_headers::do_size): New method declaration.
5864         (Output_file_header::set_final_data_size)::New method definition.
5865         (Output_file_header::do_size)::New method declaration.
5866         (Output_section_data::Output_section_data): Add new parameter
5867         is_data_size_fixed and use it to fix data size.
5868         (Output_data_const::Output_data_const): Adjust call to base class
5869         constructor and fix data size.
5870         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5871         base class constructor and fix data size.
5872         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5873         base class constructor and fix data size.
5874         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5875         class constructor and fix data size.
5876         (Output_data_group::set_final_data_size): New method definition.
5877         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5878         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5879         class constructor and fix data size.
5880         (Output_relaxed_input_section): New class definition.
5881         (Output_section::Simple_input_section): New class definition.
5882         (Output_section::get_input_sections): Adjust parameter list.
5883         (Output_section::add_input_section_for_script): Same.
5884         (Output_section::save_states, Output_section::restore_states,
5885         Output_section::do_address_and_file_offset_have_reset_values,
5886         (Output_section::Input_section::Input_section): Handle
5887         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5888         Output_relaxed_input_section.
5889         (Output_section::Input_section::is_input_section,
5890         Output_section::Input_section::set_output_section): Handle relaxed
5891         input section.
5892         (Output_section::Input_section::is_relaxed_input_section,
5893         Output_section::Input_section::output_section_data,
5894         Output_section::Input_section::relaxed_input_section): New method
5895         definitions.
5896         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5897         value.
5898         (Output_section::Input_section::u1_): Update comments.
5899         (Output_section::Input_section::u2_): Add new union member poris.
5900         (Output_section::Checkpoint_output_section): New classs definition.
5901         (Output_section::relax_input_section): New method declaration.
5902         (Output_section::checkpoint_): New data member.
5903         (Output_segment): Update comments.
5904         (Output_segment::Output_segment): Un-privatize copy constructor.
5905         (Output_segment::operator=): Un-privatize.
5906         * script-sections.cc (Output_section_element::Input_section_list):
5907         Change element type to Output_section::Simple_input_section.
5908         (Output_section_element_dot_assignment::set_section_addresses):
5909         Register output section data for relaxation clean up.
5910         (Output_data_exression::Output_data_expression): Adjust call to base
5911         constructor to fix data size.
5912         (Output_section_element_data::set_section_addresses): Register
5913         Output_data_expression object for relaxation clean up.
5914         (struct Input_section_info): Replace Relobj pointer and section index
5915         pair with Output_section::Simple_input_section and Convert struct to a
5916         class.
5917         (Input_section_sorter::operator()): Adjust access to
5918         Input_section_info data member to use accessors.
5919         (Output_section_element_input::set_section_addresses): Use layout
5920         parameter.  Adjust code to use Output_section::Simple_input_section
5921         and Input_secction_info classes.  Register filler for relaxation
5922         clean up.
5923         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5924         and section index pair with Output_section::Simple_input_section
5925         class.  Adjust code accordingly.
5926         (Phdrs_element::release_segment): New method definition.
5927         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5928         segment list.
5929         (Script_sections::release_segments): New method definition.
5930         * gold/script-sections.h (Script_sections::release_segments): New
5931         method declaration.
5932         * gold/target.h (Target::may_relax, Target::relax,
5933         Target::do_may_relax, Target::do_relax): New method definitions.
5934
5935 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5936
5937         * arm.cc (has_signed_unsigned_overflow): New function.
5938         (Arm_relocate_functions::abs8): New function.
5939         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5940         (Target_arm::Scan::global): Likewise.
5941         (Target_arm::relocate::relocate): Likewise.
5942         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5943         Likewise.
5944
5945 2009-09-16  Cary Coutant  <ccoutant@google.com>
5946
5947         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5948         * testsuite/Makefile.in: Regenerate.
5949
5950 2009-09-11  Nick Clifton  <nickc@redhat.com>
5951
5952         * po/gold.pot: Updated by the Translation project.
5953
5954 2009-09-08  Cary Coutant  <ccoutant@google.com>
5955
5956         * output.cc (Output_file::open): Add execute permission to empty file.
5957         * testsuite/Makefile.am (permission_test): New test.
5958         * testsuite/Makefile.in: Regenerate.
5959
5960 2009-09-02  Ian Lance Taylor  <iant@google.com>
5961
5962         * output.cc (Output_file::resize): Call map_no_anonymous rather
5963         than map.
5964
5965 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5966
5967         * gold.cc: Include "incremental.h".
5968         (queue_initial_tasks): Call Incremental_checker methods.
5969         * incremental.cc: Include "output.h".
5970         (Incremental_checker::can_incrementally_link_output_file): New
5971         method.
5972         * incremental.h (Incremental_checker): New class.
5973
5974         * output.cc (Output_file::open_for_modification): New method.
5975         (Output_file::map_anonymous): Changed return type to bool.  Record
5976         map in base_ field.
5977         (Output_file::map_no_anonymous): New method, broken out of map.
5978         (Output_file::map): Use map_no_anonymous and map_anonymous.
5979         * output.h (class Output_file): Update declarations.
5980
5981 2009-08-24  Cary Coutant  <ccoutant@google.com>
5982
5983         * options.h (Command_line::Pre_options): New class.
5984         (Command_line::pre_options): New member.
5985         * options.cc (gold::options::ready_to_register): New variable.
5986         (One_option::register_option): Do nothing if not registering options.
5987         Assert if same short option registered twice.
5988         (General_options::General_options): Turn off option registration when
5989         done constructing.
5990         (Command_line::Pre_options::Pre_options): New constructor.
5991
5992 2009-08-24  Cary Coutant  <ccoutant@google.com>
5993
5994         * options.h (General_options::no_keep_memory): Remove incorrect
5995         short option.
5996
5997 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5998
5999         * Makefile.am (am__skiplex, am__skipyacc): New.
6000         * Makefile.in: Regenerate.
6001
6002 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6003
6004         * Makefile.am (AM_CPPFLAGS): Renamed from ...
6005         (INCLUDES): ... this.
6006         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
6007         (AM_CPPFLAGS): Renamed from ...
6008         (INCLUDE): ... this.
6009         * Makefile.in, testsuite/Makefile.in: Regenerate.
6010
6011         * Makefile.in: Regenerate.
6012         * aclocal.m4: Likewise.
6013         * config.in: Likewise.
6014         * configure: Likewise.
6015         * testsuite/Makefile.in: Likewise.
6016
6017         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6018         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6019         * Makefile.in: Regenerate.
6020         * testsuite/Makefile.in: Regenerate.
6021
6022 2009-08-19  Cary Coutant  <ccoutant@google.com>
6023
6024         * resolve.cc (Symbol_table::resolve): Don't complain about defined
6025         symbols in shared libraries overridden by hidden or internal symbols
6026         in the main program.
6027
6028 2009-08-19  Chris Demetriou  <cgd@google.com>
6029
6030         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
6031         checking source file names in error messages.
6032
6033 2009-08-18  Doug Kwan  <dougkwan@google.com>
6034
6035         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
6036         an elcpp::Ehdr as parameter.  Adjust call to set_target.
6037         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
6038         an elfcpp::Ehdr as parameter.
6039         * object.cc (Object::set_target): Remove the version that looks up
6040         a target and sets it.
6041         (Sized_relobj::setup): Take a Target object instead of
6042         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
6043         (make_elf_sized_object): Find target and ask target to
6044         make an ELF object.
6045         * object.h: (Object::set_target): Remove the version that looks up
6046         a target and sets it.
6047         (Sized_relobj::setup): Take a Target object instead of
6048         an elfcpp:Ehdr as parameter.
6049         * target.cc: Include dynobj.h.
6050         (Target::do_make_elf_object_implementation): New.
6051         (Target::do_make_elf_object): New.
6052         * target.h (Target::make_elf_object): New template declaration.
6053         (Target::do_make_elf_object): New method declarations.
6054         (Target::do_make_elf_object_implementation): New template declaration.
6055
6056 2009-08-14  Ian Lance Taylor  <iant@google.com>
6057
6058         * gold.h (FUNCTION_NAME): Define.
6059         (gold_unreachable): Use FUNCTION_NAME.
6060
6061 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6062
6063         * icf.cc (Icf::find_identical_sections): Issue a warning when a
6064         symbol in the --keep-unique list is not found.
6065
6066 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6067
6068         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
6069         been maked as --keep-unique.
6070         (Icf::unfold_section): New function.
6071         * icf.h (Icf::unfold_section): New function.
6072         * options.h (General_options::keep_unique): New option.
6073         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
6074         * testsuite/Makefile.in: Regenerate.
6075         * testsuite/icf_keep_unique_test.sh: New file.
6076         * testsuite/icf_keep_unique_test.cc: New file.
6077
6078 2009-08-12  Cary Coutant  <ccoutant@google.com>
6079
6080         PR 10471
6081         * resolve.cc (Symbol_table::resolve): Check for references from
6082         dynamic objects to hidden and internal symbols.
6083         * testsuite/Makefile.am (hidden_test.sh): New test.
6084         * testsuite/Makefile.in: Regenerate.
6085         * testsuite/hidden_test.sh: New script.
6086         * testsuite/hidden_test_1.c: New test source.
6087         * testsuite/hidden_test_main.c: New test source.
6088
6089 2009-08-11  Doug Kwan  <dougkwan@google.com>
6090
6091         * arm.cc: Update comments.
6092         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
6093         segment to locate the .ARM.exidx section if present.
6094
6095 2009-08-09  Doug Kwan  <dougkwan@google.com>
6096
6097         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
6098         patch.
6099
6100 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
6101         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
6102         compiler warnings.
6103
6104 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
6105
6106         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
6107         valid tls_segment only for non-debug-section relocations.
6108         * testsuite/Makefile.am: Add gc_tls_test.
6109         * testsuite/Makefile.in: Regenerate.
6110         * testsuite/gc_tls_test.cc: New file.
6111         * testsuite/gc_tls_test.sh: New file.
6112
6113 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
6114
6115         * icf.cc: New file.
6116         * icf.h: New file.
6117         * Makefile.am (CCFILES): Add icf.cc.
6118         (HFILES): Add icf.h
6119         * Makefile.in: Regenerate.
6120         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
6121         * gc.h (gc_process_relocs): Populate lists used by icf to contain
6122         section, symbol and addend information for the relocs.
6123         * gold.cc (queue_middle_tasks): Call identical code folding.
6124         * gold.h: Add defines for multimap.
6125         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
6126         to the call of finalize_local_symbols.
6127         * main.cc (main): Create object of class Icf.
6128         * object.cc (Sized_relobj::do_layout): Allow this function to be
6129         called twice during icf.
6130         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
6131         to sections marked as identical by icf.
6132         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
6133         when available.
6134         (Sized_relobj::do_section_entsize): New function.
6135         * object.h (Object::section_entsize): New function.
6136         (Object::do_section_entsize): New pure virtual function.
6137         (Relobj::finalize_local_symbols): Add new parameter.
6138         (Relobj::do_section_entsize): New function.
6139         * options.h (General_options::icf): New option.
6140         (General_options::icf_iterations): New option.
6141         (General_options::print_icf_sections): New option.
6142         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
6143         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
6144         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
6145         icf.
6146         * symtab.cc (Symbol_table::is_section_folded): New function.
6147         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
6148         to sections marked as identical by icf.
6149         * symtab.h (Symbol_table::set_icf): New function.
6150         (Symbol_table::icf): New function.
6151         (Symbol_table::is_section_folded): New function.
6152         (Symbol_table::icf_): New data member.
6153         * target-reloc.h (relocate_section): Ignore sections folded by icf.
6154         * testsuite/Makefile.am: Add commands to build icf_test.
6155         * testsuite/Makefile.in: Regenerate.
6156         * testsuite/icf_test.sh: New file.
6157         * testsuite/icf_test.cc: New file.
6158
6159 2009-07-24  Chris Demetriou  <cgd@google.com>
6160
6161         * layout.cc (is_compressible_debug_section): Fix incorrect
6162         comment about compressed section names.
6163
6164 2009-07-20  Ian Lance Taylor  <ian@airs.com>
6165
6166         PR 10419
6167         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
6168
6169 2009-07-16  Ian Lance Taylor  <iant@google.com>
6170
6171         PR 10400
6172         * layout.h: #include <map>.
6173         (class Kept_section): Change from struct to class.  Add accessors
6174         and setters.  Add section size to Comdat_group mapping.  Change
6175         Comdat_group to std::map.  Add is_comdat_ field.  Add
6176         linkonce_size field in union.
6177         (class Layout): Update declaration of find_or_add_kept_section.
6178         Don't declare find_kept_object.
6179         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
6180         parameter.  Add object, shndx, is_comdat, and is_group_name
6181         parameters.  Change all callers.  Adjust for new Kept_section.
6182         (Layout::find_kept_object): Remove.
6183         * object.cc (Sized_relobj::include_section_group): Update use of
6184         Kept_section.  Rename secnum to shndx.  Only record
6185         Kept_comdat_section if sections are the same size.
6186         (Sized_relobj::include_linkonce_section): Update use of
6187         Kept_section.  Only record Kept_comdat_section if sections are the
6188         same size.  Set size of linkonce section.
6189         (Sized_relobj::map_to_kept_section): Update call to
6190         get_kept_comdat_section.
6191         * object.h (class Sized_relobj): Rename fields in
6192         Kept_comdat_section to drop trailing underscores; change object
6193         field to Relobj*.  Change Kept_comdat_section_table to store
6194         struct rather than pointer.
6195         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
6196         Add kept_object and kept_shndx parameters.  Change all callers.
6197         (Sized_relobj::get_kept_comdat_section): Change return type to
6198         bool.  Add kept_object and kept_shndx parameters.  Change all
6199         callers.
6200         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6201         Layout::find_or_add_kept_section.
6202
6203 2009-07-09  Ian Lance Taylor  <iant@google.com>
6204
6205         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6206         Reserve space in the hash table.
6207
6208 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6209
6210         * fileread.cc (File_read::get_mtime): New method.
6211         * fileread.h (Timespec): New structure.
6212         (File_read::get_mtime): New method.
6213         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6214         Renamed from timestamp_nsec.
6215         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6216         Elf_Xword.
6217         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6218         timestamp_nsec.
6219         (Incremental_inputs::report_archive): Save mtime; style fix.
6220         (Incremental_inputs::report_obejct): Save mtime; style fix.
6221         (Incremental_inputs::report_script): Save mtime; style fix.
6222         (Incremental_inputs::finalize_inputs): Style fix.
6223         (Incremental_inputs::finalize): Style fix.
6224         (Incremental_inputs::create_input_section_data): Store inputs
6225         mtime.
6226         * incremental.h (Incremental_inputs::report_script): Add mtime
6227         argument.
6228         (Incremental_inputs::Input_info::Input_info): Intialize only one
6229         union member.
6230         (Incremental_inputs::Input_info::archive): Move to nameless
6231         union.
6232         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6233         (Incremental_inputs::Input_info::script): Move to nameless union.
6234         (Incremental_inputs::mtime): New field.
6235         * script.cc (read_input_script): Pass file mtime to
6236         Incremental_input.
6237         * script.h (Script_info::inputs): Style fix.
6238
6239 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6240
6241         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6242         instead of 32.
6243
6244 2009-06-24  Ian Lance Taylor  <iant@google.com>
6245
6246         PR 10156
6247         * layout.cc (Layout::choose_output_section): If we find an
6248         existing section, update the flags.
6249         (Layout::create_notes): New function, broken out of
6250         Layout::finalize.
6251         (Layout::finalize): Don't create note sections.
6252         (Layout::create_note): Don't crash if linker script discards
6253         section.
6254         (Layout::create_gold_note): Likewise.
6255         (Layout::create_build_id): Likewise.  Don't set
6256         after_input_sections on the section.
6257         (Layout::create_executable_stack_info): Remove target parameter.
6258         Change caller.
6259         * layout.h (class Layout): Declare create_notes.  Update
6260         declaration of create_executable_stack_info.
6261         * gold.cc (queue_middle_tasks): Call create_notes.
6262         * output.cc (Output_section::update_flags_for_input_section): Move
6263         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6264         invalid.
6265         * output.h (Output_data::mark_address_invalid): New function.
6266         (class Output_section): Only declare, not define,
6267         update_flags_for_input_section.  Remove set_flags.
6268
6269 2009-06-24  Ian Lance Taylor  <iant@google.com>
6270
6271         * script-sections.cc (Output_section_definition::
6272         set_section_addresses): Rename shadowing local load_address to
6273         laddr.
6274
6275 2009-06-24  Ian Lance Taylor  <iant@google.com>
6276
6277         PR 10244
6278         * reloc.cc (relocate_sections): Skip empty relocation sections.
6279
6280 2009-06-23  Ian Lance Taylor  <iant@google.com>
6281
6282         PR 10156
6283         * layout.cc (Layout::create_note): Use choose_output_section
6284         rather than make_output_section.
6285
6286 2009-06-23  Ian Lance Taylor  <iant@google.com>
6287
6288         PR 10237
6289         * options.cc (General_options::parse_V): Set printed_version_.
6290         (General_options::General_options): Initialize printed_version_.
6291         * options.h (class General_options): Add printed_version_ field.
6292         * gold.cc (queue_initial_tasks): If there are no input files,
6293         don't give a fatal error if we printed the version information.
6294         (queue_middle_tasks): If using -r with a shared object, give a
6295         fatal error rather than an ordinary error.
6296
6297 2009-06-23  Ian Lance Taylor  <iant@google.com>
6298
6299         PR 10219
6300         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6301         (Layout::make_output_section): Set have_stabstr_section_ if we see
6302         a .stab*str section.
6303         (Layout::finalize): Call link_stabs_sections.
6304         (Layout::link_stabs_sections): New file.
6305         * layout.h (class Layout): Add have_stabstr_section_ field.
6306         Declare link_stabs_sections.
6307
6308 2009-06-23  Doug Kwan  <dougkwan@google.com>
6309
6310         * Makefile.am (libgold_a_LIBADD): New.
6311         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6312         * Makefile.in: Regenerate.
6313         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6314         * configure: Regenerate.
6315         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6316         * fileread.cc: Include sys/state.h
6317         * gold.h: Declare memmem and strndup if found missing.
6318         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6319
6320 2009-06-23  Ian Lance Taylor  <iant@google.com>
6321
6322         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6323         * configure: Rebuild.
6324
6325 2009-06-23  Ian Lance Taylor  <iant@google.com>
6326
6327         PR 10147
6328         * object.cc (Object::section_contents): Don't try to get a view if
6329         the section has length zero.
6330         (Object::handle_gnu_warning_section): If the section is empty, use
6331         the name of the section as the warning.
6332
6333 2009-06-23  Ian Lance Taylor  <iant@google.com>
6334
6335         PR 10133
6336         * stringpool.h (class Stringpool_template): Add optimize_ field.
6337         (Stringpool_template::set_optimize): New function.
6338         * stringpool.cc (Stringpool_template::Stringpool_template):
6339         Initialize optimize_ field.
6340         (Stringpool_template::set_string_offsets): Test local optimize
6341         fild rather than parameter.
6342         * layout.cc (Layout::Layout): Call set_optimize on the section
6343         name stringpool.
6344
6345 2009-06-22  Ian Lance Taylor  <iant@google.com>
6346
6347         PR 10030
6348         * yyscript.y: Parse TARGET.
6349         * script.cc (script_set_target): New function.
6350         * script-c.h (script_set_target): Declare.
6351         * options.cc (General_options::string_to_object_format): Rename
6352         from string_to_object_format in anonymous namespace.  Change
6353         callers.
6354         * options.h (class General_options): Declare
6355         string_to_object_format.
6356
6357 2009-06-22  Ian Lance Taylor  <iant@google.com>
6358
6359         * script-sections.cc (Script_sections::create_segments): Don't put
6360         program headers in a PT_LOAD segment if -n or -N.
6361
6362 2009-06-22  Ian Lance Taylor  <iant@google.com>
6363
6364         PR 10141
6365         * options.h (class General_options): Add -z lazy and -z now.  Sort
6366         -z options into alphabetical order.
6367         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6368
6369 2009-06-21  Ian Lance Taylor  <iant@google.com>
6370
6371         * layout.cc (Layout::make_output_section): Call
6372         Target::new_output_section.
6373         (Layout::attach_allocated_section_to_segment): Put large section
6374         sections in a separate load segment with the large segment flag
6375         set.
6376         (Layout::segment_precedes): Sort large data segments after other
6377         load segments.
6378         (align_file_offset): New static function.
6379         (Layout::set_segment_offsets): Use align_file_offset.
6380         * output.h (class Output_section): Add is_small_section_ and
6381         is_large_section_ fields.
6382         (Output_section::is_small_section): New function.
6383         (Output_section::set_is_small_section):  New function.
6384         (Output_section::is_large_section): New function.
6385         (Output_section::set_is_large_section): New function.
6386         (Output_section::is_large_data_section): New function.
6387         (class Output_segment): Add is_large_data_segment_ field.
6388         (Output_segment::is_large_data_segment): New function.
6389         (Output_segment::set_is_large_data_segment): New function.
6390         * output.cc (Output_section::Output_section): Initialize new
6391         fields.
6392         (Output_segment::Output_segment): Likewise.
6393         (Output_segment::add_output_section): Add assertion that large
6394         data sections always go in large data segments.  Force small data
6395         sections to the end of the list of data sections.  Force small BSS
6396         sections to the start of the list of BSS sections.  For large BSS
6397         sections to the end of the list of BSS sections.
6398         * symtab.h (class Symbol): Declare is_common_shndx.
6399         (Symbol::is_defined): Check Symbol::is_common_shndx.
6400         (Symbol::is_common): Likewise.
6401         (class Symbol_table): Define enum Commons_section_type.  Update
6402         declarations.  Add small_commons_ and large_commons_ fields.
6403         * symtab.cc (Symbol::is_common_shndx): New function.
6404         (Symbol_table::Symbol_table): Initialize new fields.
6405         (Symbol_table::add_from_object): Put small and large common
6406         symbols in the right list.
6407         (Symbol_table::sized_finalized_symbol): Check
6408         Symbol::is_common_shndx.
6409         (Symbol_table::sized_write_globals): Likewise.
6410         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6411         common symbol lists.  Don't call do_allocate_commons_list if the
6412         list is empty.
6413         (Symbol_table::do_allocate_commons_list): Remove is_tls
6414         parameter.  Add comons_section_type parameter.  Change all
6415         callers.  Handle small and large common symbols.
6416         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6417         Symbol::is_common_shndx.
6418         * resolve.cc (symbol_to_bits): Likewise.
6419         * target.h (Target::small_common_shndx): New function.
6420         (Target::small_common_section_flags): New function.
6421         (Target::large_common_shndx): New function.
6422         (Target::large_common_section_flags): New function.
6423         (Target::new_output_section): New function.
6424         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6425         small_common_section_flags, and large_common_section_flags
6426         fields.
6427         (Target::do_new_output_section): New virtual function.
6428         * arm.cc (Target_arm::arm_info): Initialize new fields.
6429         * i386.cc (Target_i386::i386_info): Likewise.
6430         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6431         Likewise.
6432         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6433         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6434         (Target_x86_64::do_new_output_section): New function.
6435         * configure.ac: Define conditional MCMODEL_MEDIUM.
6436         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6437         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6438         (large_LDFLAGS): Define.
6439         * testsuite/large.c: New file.
6440         * testsuite/testfile.cc (Target_test::test_target_info):
6441         Initialize new fields.
6442         * configure, testsuite/Makefile.in: Rebuild.
6443
6444 2009-06-05  Doug Kwan  <dougkwan@google.com>
6445
6446         * Makefile.am (CCFILES): Add target.cc.
6447         * Makefile.in: Regenerate.
6448         * i386.cc (class Target_i386): Define new virtual method to
6449         override do_is_local_label_name in parent.
6450         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6451         local symbols if --discard-locals or -X is given.
6452         * options.h (class General_options): Declare new options
6453         '--discard-locals' and '-X' for discarding locals.
6454         * target.h (class Target): Define new methods is_local_label_name.
6455         Declare new virtual method do_is_local_label_name.
6456         * target.cc: New file.
6457         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6458         (check_SCRIPTS): Add discard_locals_test.sh.
6459         (check_DATA): Add discard_local_tests.syms.
6460         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6461         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6462         * testsuite/Makefile.in: Regenerate.
6463         * testsuite/discard_locals_test.c: New file.
6464         * testsuite/discard_locals_test.sh: Same.
6465
6466 2009-06-05  Doug Kwan  <dougkwan@google.com>
6467
6468         * object.cc (Sized_relobj::Sized_relobj): Initialize
6469         discarded_eh_frame_shndx_ to -1U.
6470         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6471         section.
6472         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6473         a discarded .eh_frame section.
6474         (Sized_relobj::do_finalize_local_symbols): Ditto.
6475         * object.h (class Sized_relobj): Declare new member
6476         discarded_eh_frame_shndx_.
6477         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6478         (local_labels_test.o, local_labels_test): New rules.
6479         * testsuite/Makefile.in: Regenerate.
6480
6481 2009-06-04  Doug Kwan  <dougkwan@google.com>
6482
6483         * layout.cc (Layout::section_name_mapping): Add mapping for
6484         special ARM sections.
6485
6486 2009-06-03  Doug Kwan  <dougkwan@google.com>
6487
6488         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6489         (utils::has_overflow): Same.
6490
6491 2009-06-03  Ian Lance Taylor  <iant@google.com>
6492
6493         * layout.cc (Layout::section_name_mapping): New array, replacing
6494         Layout::linkonce_mapping.
6495         (Layout::section_name_mapping_count): New variable, replacing
6496         Layout::linkonce_mapping_count.
6497         (Layout::linkonce_output_name): Remove.
6498         (Layout::output_section_name): Rewrite.
6499         * layout.h (class Layout): Rename Linkonce_mapping to
6500         Section_name_mapping, linkonce_mapping to section_name_mapping,
6501         linkonce_mapping_count to section_name_mapping_count.  Don't
6502         declare linkonce_output_name.
6503
6504 2009-06-03  Doug Kwan  <dougkwan@google.com>
6505
6506         * gold/arm.cc (namespace utils): New.
6507         (Target_arm::reloc_is_non_pic): Define new method.
6508         (class Arm_relocate_functions): New.
6509         (Target_arm::Relocate::relocate): Handle relocation types used by
6510         Android.
6511
6512 2009-06-03  Ian Lance Taylor  <iant@google.com>
6513
6514         * arm.cc (Target_arm::scan::global): Use || instead of |.
6515
6516 2009-06-02  Doug Kwan  <dougkwan@google.com>
6517
6518         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6519         issued_non_pic_error_.
6520         (class Target_arm::Scan): Declare new method check_non_pic.
6521         Define new method symbol_needs_plt_entry.
6522         Declare new data member issued_non_pic_error_.
6523         (class Target_arm::Relocate): Declare new method
6524         should_apply_static_reloc.
6525         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6526         (Target_arm::Scan::check_non_pic): Define new method.
6527         (Target_arm::Scan::local): Handle a small subset of reloc types used
6528         by Android.
6529         (Target_arm::Scan::local): Same.
6530         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6531
6532 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6533
6534         * incremental.cc (Incremental_inputs::report_command_line): Filter
6535         out --incremental-* options.
6536
6537 2009-05-29  Doug Kwan  <dougkwan@google.com>
6538
6539         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6540         template class.
6541         (class Target_arm): Update comment.
6542         (Target_arm::Target_arm): Initialize new data members GOT_,
6543         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6544         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6545         and Target_arm::rel_dyn_section.
6546         Declare new_enum Target_arm::Got_type.
6547         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6548         and DYNBSS_.
6549         Update commments for member do_dynsym_value.
6550         (Target_arm::got_size, Target_arm::plt_section,
6551         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6552         new methods inside class defintion.
6553         (Target_arm::got_section): Define new method.
6554         (Target_arm::rel_dyn_section): Same.
6555         (Output_data_plt_arm): New template class.
6556         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6557         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6558         (Output_data_plt_arm::add_entry): Same.
6559         (Output_data_plt_arm::first_plt_entry): Define new
6560         static data member for PLT instruction template.
6561         (Output_data_plt_arm::plt_entry): Same.
6562         (Output_data_plt_arm::do_write): Define new method.
6563         (Target_arm::make_plt_entry): Same.
6564         (Target_arm::do_finalize_sections): Same.
6565         (Target_arm::do_dynsym_value): Same.
6566
6567 2009-05-28  Doug Kwan  <dougkwan@google.com>
6568
6569         * Makefile.am (TARGETSOURCES): Add arm.cc.
6570         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6571         * Makefile.in: Regenerate.
6572         * arm.cc: New file.
6573         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6574
6575 2009-05-26  Doug Kwan  <dougkwan@google.com>
6576
6577         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6578         (General_options::check_excluded_libs): Strip off directories in
6579         archive name before matching like GNU ld does.
6580         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6581         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6582         (exclude_libs_test_LDFLAGS): Add linker option
6583         -Wl,--exclude-libs,libexclude_libs_test_3
6584         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6585         an explicit archive without using -l.
6586         (alt/libexclude_libs_test_3.a): New make rule.
6587         * testsuite/Makefile.in: Regenerate.
6588         * testsuite/exclude_libs_test.c : Declare lib3_default().
6589         (main): Call it.
6590         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6591         * exclude_libs_test_3.c: New file.
6592
6593 2009-05-26  Nick Clifton  <nickc@redhat.com>
6594
6595         * po/id.po: New Indonesian translation.
6596         * po/gold.pot: Updated template file.
6597
6598 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6599
6600         * testsuite/Makefile.am: Add -ffunction-sections to compile
6601         gc_comdat_test files.  Add -Wl,--gc-sections to build
6602         gc_comdat_test.
6603         * testsuite/Makefile.in: Regenerate.
6604         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6605
6606 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6607
6608         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6609         kept comdat section was garbage collected.
6610         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6611         * testsuite/Makefile.in: Regenerate.
6612         * testsuite/gc_comdat_test.sh: New file.
6613         * testsuite/gc_comdat_test_1.cc: New file.
6614         * testsuite/gc_comdat_test_2.cc: New file.
6615
6616 2009-05-19  Doug Kwan  <dougkwan@google.com>
6617
6618         * archive.cc (Archive::Archive): Move constructor from archive.h
6619         to here.  Initialize no_export_.
6620         (Archive::get_elf_object_for_member): Set no_export flag of object.
6621         * archive.h (Archive::Archive): Move constructor body to
6622         archive.cc.
6623         (Archive::no_export): New method.
6624         (Archive::no_export_): New field.
6625         * object.h (Object::Object): Initialize no_export_ to false.
6626         (Object::no_export, Object::set_no_export): New methods.
6627         (Object::no_export_): New field.
6628         * options.cc (General_options::parse_exclude_libs): New method.
6629         (General_options::check_excluded_libs) Same.
6630         * options.h (exclude_libs): New option.
6631         (General_options::check_excluded_libs): New method declaration.
6632         (General_options::excluded_libs_): New field.
6633         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6634         default or protected visibility if an object has no-export flag set.
6635         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6636         (check_SCRIPTS): Add exclude_libs_test.sh.
6637         (check_DATA): Add exclude_libs_test.syms.
6638         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6639         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6640         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6641         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6642         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6643         libexclude_libs_test_2.a): New rules.
6644         * testsuite/Makefile.in: Regenerate.
6645         * testsuite/exclude_libs_test.c: New file.
6646         * testsuite/exclude_libs_test.sh: Ditto.
6647         * testsuite/exclude_libs_test_1.c: Ditto.
6648         * testsuite/exclude_libs_test_2.c: Ditto.
6649
6650 2009-05-15  Ian Lance Taylor  <iant@google.com>
6651
6652         * configure.ac: Check for declarations for cases where libiberty.h
6653         checks HAVE_DECL_xxx.
6654         * configure, config.in: Rebuild.
6655
6656 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6657
6658         * gold.h (Incremental_argument_list): Remove (invalid) forward
6659         declaration.
6660         * incremental.cc (Incremental_inputs::report_achive): New method.
6661         (Incremental_inputs::report_object): New method.
6662         (Incremental_inputs::report_script): New method.
6663         (Incremental_inputs::finalize_inputs): New method.
6664         (Incremental_inputs::finalize): Call finalize_inputs().
6665         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6666         Create inputs entries.
6667         * incremental.h (Incremental_input_type): New enum.
6668         (Incremental_inputs::Incremental_input): Initialize new fields.
6669         (Incremental_inputs::report_inputs): New method.
6670         (Incremental_inputs::report_achive): New method.
6671         (Incremental_inputs::report_object): New method.
6672         (Incremental_inputs::report_script): New method.
6673         (Incremental_inputs::finalize_inputs): New method.
6674         (Incremental_inputs::Input_info): New struct.
6675         (Incremental_inputs::Input_info_map): New typedef.
6676         (Incremental_inputs::lock_): New field.
6677         (Incremental_inputs::Inputs_): New field.
6678         (Incremental_inputs::Inputs_map): New field.
6679         * main.cc (main): Call Incremental_input::report_inputs.
6680         * options.h (Input_argument_list): Typedef moved from
6681         Input_arguments.
6682         (Input_file_group::Files): Remove, use ::Input_argument_list.
6683         (Input_file_group::Input_argument_list): Remove, use
6684         ::Input_argument_list.
6685         * plugin.cc (Plugin_manager::add_input_file): Add error in
6686         incremental build.
6687         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6688         functions.
6689         * script.cc (read_input_script): Call
6690         Incremental_input::report_script.
6691         * script.h (Script_info): New class.
6692
6693 2009-04-27  Ian Lance Taylor  <iant@google.com>
6694
6695         * x86_64.cc (do_adjust_output_section): Set entsize to
6696         plt_entry_size.
6697
6698 2009-04-23  Elliott Hughes  <enh@google.com>
6699
6700         * output.cc (Output_file::close): After short writes, continue
6701         writing from the correct offset in the buffer being written.
6702
6703 2009-04-23  Chris Demetriou  <cgd@google.com>
6704
6705         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6706         * configure: Regenerate.
6707         * config.in: Regenerate.
6708         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6709         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6710
6711 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6712
6713         * incremental.cc (Incremental_inputs_header_data): Renamed from
6714         Incremental_input_header_data.
6715         (Incremental_inputs_header_data::data_size): New field.
6716         (Incremental_inputs_header_data::put_input_file_count): Renamed
6717         from input_file_count.
6718         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6719         from command_line_offset.
6720         (Incremental_inputs_header_data::put_reserved): Renamed from
6721         put_reserved.
6722         (Incremental_inputs_entry_data): Renamed from
6723         Incremental_input_entry_data.
6724         (Incremental_inputs_entry_data::data_size): New field.
6725         (Incremental_inputs::report_command_line): New method.
6726         (Incremental_inputs::finalize): New method.
6727         (Incremental_inputs::create_incremental_inputs_data): New method.
6728         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6729         * incremental.h: New file.
6730         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6731        (Layout::finalize): Create incremental inputs section in
6732         incremental builds.
6733        (Layout::create_incremental_info_sections): New method.
6734         * layout.h (Layout::incremental_inputs): New method.
6735        (Layout::create_incremental_info_sections): New method.
6736        (Layout::incremental_inputs_): New field.
6737         * main.cc (main): Notify Incremental_input of the command line.
6738
6739 2009-04-01  Ian Lance Taylor  <iant@google.com>
6740             Mikolaj Zalewski  <mikolajz@google.com>
6741
6742         * gold.h (reserve_unordered_map): Define, three versions, one for
6743         each version of Unordered_map.
6744         * layout.cc (Layout::Layout): Remove options parameter.  Add
6745         number_of_input_files parameter.  Don't initialize options_.
6746         Initialize number_of_input_files_ and resized_signatures_.  Move
6747         sections_are_attached_.
6748         (Layout::layout_group): Reserve space for group_signatures_.
6749         (Layout::find_or_add_kept_section): Change name parameter to be a
6750         reference.  Resize signatures_ map when it gets large enough.
6751         (Layout::layout_eh_frame): Use parameters->options() instead of
6752         this->options_.
6753         (Layout::make_output_section): Likewise.
6754         (Layout::attach_allocated_section_to_segment): Likewise.
6755         (Layout::finalize, Layout::create_executable_stack): Likewise.
6756         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6757         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6758         * layout.h (class Layout): Update declarations.  Remove options_
6759         field.  Add number_of_input_files_ and resized_signatures_
6760         fields.  Move sections_are_attached_ field.
6761         * main.cc (main): Pass number of input files to Layout
6762         constructor.  Don't pass options.
6763
6764 2009-03-30  Ian Lance Taylor  <iant@google.com>
6765
6766         * ffsll.c (ffsll): Correct implementation.
6767
6768 2009-03-27  Ian Lance Taylor  <iant@google.com>
6769
6770         * ffsll.c: New file.
6771         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6772         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6773         * ftruncate.c (ftruncate): Declare before definition.
6774         * mremap.c (mremap): Likewise.
6775         * pread.c (pread): Likewise.
6776         * configure, Makefile.in, config.in: Rebuild.
6777
6778         * mremap.c: New file.
6779         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6780         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6781         (mremap): Declare if HAVE_MREMAP is not defined.
6782         * configure, Makefile.in, config.in: Rebuild.
6783
6784 2009-03-27  Cary Coutant  <ccoutant@google.com>
6785
6786         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6787         position independent.
6788         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6789         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6790
6791 2009-03-24  Cary Coutant  <ccoutant@google.com>
6792
6793         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6794         an executable.
6795         (needs_dynamic_reloc): Likewise.
6796
6797 2009-03-24  Ian Lance Taylor  <iant@google.com>
6798
6799         * yyscript.y (file_cmd): Recognize EXTERN.
6800         (extern_name_list, extern_name_list_body): New nonterminals.
6801         * script.cc (script_add_extern): Define.
6802         * script-c.h (script_add_extern): Declare.
6803
6804 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6805
6806         * object.cc (is_elf_object): Define.
6807         * object.h (is_elf_object): Declare.
6808         * archive.cc (Archive::get_elf_object_for_member): Call
6809         is_elf_object.
6810         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6811
6812 2009-03-24  Elliott Hughes  <enh@google.com>
6813
6814         * output.cc (Output_file::map_anonymous): Define.
6815         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6816         try an anonymous one.  Report the size if the mmap fails.
6817         * output.h (class Output_file): Declare map_anonymous.
6818
6819 2009-03-24  Ian Lance Taylor  <iant@google.com>
6820
6821         * target-select.cc (instantiate_target): Don't acquire the lock if
6822         the instantiated_target_ field has already been set.
6823
6824 2009-03-23  Ian Lance Taylor  <iant@google.com>
6825
6826         * gold-threads.h (class Initialize_lock): Define.
6827         * gold-threads.cc (class Initialize_lock_once): Define.
6828         (initialize_lock_control): New static variable.
6829         (initialize_lock_pointer): New static variable.
6830         (initialize_lock_once): New static function.
6831         (Initialize_lock::Initialize_lock): Define.
6832         (Initialize_lock::initialize): Define.
6833         * target-select.h: Include "gold-threads.h".
6834         (class Target_selector): Add lock_ and initialize_lock_ fields.
6835         Don't define instantiate_target, just declare it.
6836         * target-select.cc (Target_selector::Target_selector): Initialize
6837         new fields.
6838         (Target_selector::instantiate_target): Define.
6839         * descriptors.h: Include "gold-threads.h".
6840         (class Descriptors): Add initialize_lock_ field.
6841         * descriptors.cc (Descriptors::Descriptors): Initialize new
6842         field.
6843         (Descriptors::open): Use initialize_lock_ field
6844         * errors.h (class Errors): Add initialize_lock_ field.
6845         * errors.cc (Errors::Errors): Initialize new field.
6846         (Errors::initialize_lock): Use initialize_lock_ field.
6847         * powerpc.cc (class Target_selector_powerpc): Remove
6848         instantiated_target_ field.  In do_recognize call
6849         instantiate_target rather than do_instantiate_target.  In
6850         do_instantiate_target just allocate a new target.
6851         * sparc.cc (class Target_selector_sparc): Likewise.
6852
6853         * freebsd.h: New file.
6854         * i386.cc: Include "freebsd.h".
6855         (Target_i386): Derive from Target_freebsd rather than
6856         Sized_target.
6857         (Target_selector_i386): Derive from Target_selector_freebsd rather
6858         than Target_selector.
6859         * x86_64.cc: Include "freebsd.h".
6860         (Target_x86_64): Derive from Target_freebsd rather than
6861         Sized_target.
6862         (Target_selector_x86_64): Derive from Target_selector_freebsd
6863         rather than Target_selector.
6864         * target.h (class Target): Add adjust_elf_header and
6865         do_adjust_elf_header.
6866         * output.cc (Output_file_header:: do_sized_write): Call target
6867         adjust_elf_header routine.
6868         * configure.tgt: Set targ_osabi.
6869         * configure.ac: Define GOLD_DEFAULT_OSABI.
6870         * parameters.cc (Parameters::default_target): Pass
6871         GOLD_DEFAULT_OSABI to select_target.
6872         * target-select.h (class Target_selector): Make instantiate_target
6873         protected rather than private.
6874         * Makefile.am (HFILES): Add freebsd.h.
6875         * configure, Makefile.in, config.in: Rebuild.
6876
6877         * merge.cc (do_add_input_section): Correct pend value.  Change
6878         message about last entry not being null terminated from error to
6879         warning.
6880
6881 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6882
6883         * incremental.cc: New file.
6884         * Makefile.am (CCFILES): Add incremental.cc.
6885         * Makefile.in: Rebuild.
6886
6887 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6888
6889         * layout.cc (Layout::output_section_name): Preserve names
6890         of '.note.' sections.
6891
6892 2009-03-19  Ian Lance Taylor  <iant@google.com>
6893
6894         * descriptors.cc (Descriptors::open): Check that the options are
6895         valid before using them.
6896
6897 2009-03-18  Ian Lance Taylor  <iant@google.com>
6898
6899         * script-sections.h: Include <list>.
6900         (class Script_sections): Change Sections_elements from std::vector
6901         to std::list.  Typedef public Elements_iterator.  Add
6902         orphan_section_placement_, data_segment_align_start_, and
6903         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6904         field.
6905         * script-sections.cc (class Orphan_section_placement): New class.
6906         (class Sections_element): Add virtual functions is_relro and
6907         orphan_section_init.  Remove virtual function place_orphan_here.
6908         (class Output_section_definition): Add is_relro and
6909         orphan_section_init.  Remove place_orphan_here.
6910         (class Orphan_output_section): Likewise.
6911         (Script_sections::Script_sections): Update for field changes.
6912         (Script_sections::data_segment_align): Set saw_data_segment_align_
6913         and data_segment_align_start_, not data_segment_align_index.
6914         (Script_sections::data_segment_relro_end): Check
6915         saw_data_segment_align_.  Use data_segment_align_start_ rather
6916         than data_segment_align_index_.
6917         (Script_sections::place_orphan): Rewrite to use
6918         Orphan_section_placement.
6919
6920 2009-03-17  Ian Lance Taylor  <iant@google.com>
6921
6922         * archive.cc (Archive::add_symbols): Check for a version attached
6923         to the symbol name in the archive map.
6924         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6925         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6926         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6927         (ver_test_11.a): New target.
6928         * testsuite/Makefile.in: Rebuild.
6929
6930         * configure.ac: Check for chsize and posix_fallocate.  Replace
6931         ftruncate.
6932         * ftruncate.c: New file, from gnulib.
6933         * output.cc (posix_fallocate): Define dummy version if not
6934         HAVE_POSIX_FALLOCATE.
6935         (Output_file::map): Call posix_fallocate rather than lseek and
6936         write.
6937         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6938         * configure, Makefile.in, config.in: Rebuild.
6939
6940 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6941
6942         * layout.h (Layout::create_note): Add section_name parameter.
6943         * layout.cc (Layout::create_note): Likewise.
6944         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6945
6946 2009-03-17  Ian Lance Taylor  <iant@google.com>
6947
6948         * descriptors.cc: Include "options.h".
6949         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6950         (Descriptors::open): Always use O_CLOEXEC when opening a new
6951         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6952         then set FD_CLOEXEC.
6953
6954         * sparc.cc (class Target_sparc): Add has_got_section.
6955         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6956         make sure we have a GOT section.
6957
6958         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6959         (Target_sparc::Scan::local): Likewise.
6960         (Target_sparc::Scan::global): Likewise.
6961         (Target_sparc::Relocate::relocate): Likewise.
6962         (Target_sparc::Relocate::relocate_tls): Likewise.
6963
6964         * symtab.cc (Symbol_table::define_default_version): New function,
6965         broken out of add_from_object.
6966         (Symbol_table::add_from_object): Call define_default_version.
6967         (Symbol_table::define_special_symbol): Add resolve_oldsym
6968         parameter.  Change all callers.  If the version for a symbol comes
6969         from a version script, resolve it with the symbol with the same
6970         name with no version.  Also add the symbol without a version if
6971         appropriate.
6972         (do_define_in_output_data): If resolving with oldsym, don't delete
6973         sym.
6974         (do_define_in_output_segment): Likewise.
6975         (do_define_as_constant): Likewise.
6976         * symtab.h (class Symbol_table): Update declarations.
6977
6978 2009-03-13  Ian Lance Taylor  <iant@google.com>
6979
6980         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6981         (Read_symbols::requeue): New function.
6982         (Read_symbols::do_read_symbols): If make_elf_object fails because
6983         the target type is not configured, and the file was searched for,
6984         issue a warning and retry with the next directory.
6985         (Add_symbols::run): If the file has an incompatible format, and
6986         it was searched for, requeue the Read_symbols task.  On error,
6987         release the object.
6988         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6989         dirindex parameter to constructor.  Change all callers.  Declare
6990         incompatible_warning and requeue.
6991         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6992         input_argument_ and input_group_ fields.  Add them to
6993         constructor.  Change all callers.
6994         (class Read_script): Add dirindex_ field.  Add it to constructor.
6995         Change all callers.
6996         * archive.cc (Archive::setup): Remove input_objects parameter.
6997         Change all callers.
6998         (Archive::get_file_and_offset): Likewise.
6999         (Archive::read_all_symbols): Likewise.
7000         (Archive::read_symbols): Likewise.
7001         (Archive::get_elf_object_for_member): Remove input_objects
7002         parameter.  Add punconfigured parameter.  Change all callers.
7003         (Archive::add_symbols): Change return type to bool.  Check return
7004         value of include_member.
7005         (Archive::include_all_members): Likewise.
7006         (Archive::include_member): Change return type to bool.  Return
7007         false if first included object has incompatible target.  Set
7008         included_member_ field.
7009         (Add_archive_symbols::run): If add_symbols returns false, requeue
7010         Read_symbols task.
7011         * archive.h (class Archive): Add included_member_ field.
7012         Initialize it in constructor.  Add input_file and searched_for
7013         methods.  Update declarations.
7014         (class Add_archive_symbols): Add dirpath_, dirindex_, and
7015         input_argument_ fields.  Add them to constructor.  Change all
7016         callers.
7017         * script.cc: Include "target-select.h".
7018         (class Parser_closure): Add skip_on_incompatible_target_ and
7019         found_incompatible_target_ fields.  Add
7020         skip_on_incompatible_target parameter to constructor.  Change all
7021         callers.  Add methods skip_on_incompatible_target,
7022         clear_skip_on_incompatible_target, found_incompatible_target, and
7023         set_found_incompatible_target.
7024         (read_input_script): Add dirindex parameter.  Change all callers.
7025         If parser finds an incompatible target, requeue Read_symbols
7026         task.
7027         (script_set_symbol): Clear skip_on_incompatible_target in
7028         closure.
7029         (script_add_assertion, script_parse_option): Likewise.
7030         (script_start_sections, script_add_phdr): Likewise.
7031         (script_check_output_format): New function.
7032         * script.h (read_input_script): Update declaration.
7033         * script-c.h (script_check_output_format): Declare.
7034         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
7035         (ignore_cmd): Remove OUTPUT_FORMAT.
7036         * fileread.cc (Input_file::Input_file): Add explicit this.
7037         (Input_file::will_search_for): New function.
7038         (Input_file::open): Add pindex parameter.  Change all callers.
7039         * fileread.h (class Input_file): Add input_file_argument method.
7040         Declare will_search_for.  Update declarations.
7041         * object.cc (make_elf_object): Add punconfigured parameter.
7042         Change all callers.
7043         * object.h (class Object): Make input_file public.  Add
7044         searched_for method.
7045         (make_elf_object): Update declaration.
7046         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
7047         restart search.
7048         * dirsearch.h (class Dirsearch): Update declaration.
7049         * options.h (class General_options): Add --warn-search-mismatch.
7050         * parameters.cc (Parameters::is_compatible_target): New function.
7051         * parameters.h (class Parameters): Declare is_compatible_target.
7052         * workqueue.cc (Workqueue::add_blocker): New function.
7053         * workqueue.h (class Workqueue): Declare add_blocker.
7054
7055         * fileread.cc (Input_file::open): Remove options parameter.
7056         Change all callers.
7057         (Input_file::open_binary): Likewise.
7058         * script.cc (read_input_script): Likewise.
7059         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
7060         options parameter from constructor.  Change all callers.
7061         (class Read_script): Likewise.
7062         * fileread.h (class Input_file): Update declarations.
7063         * script.h (read_input_script): Update declaration.
7064
7065 2009-03-10  Nick Clifton  <nickc@redhat.com>
7066
7067         * po/es.po: New Spanish translation.
7068
7069 2009-03-06  Cary Coutant  <ccoutant@google.com>
7070
7071         * options.cc (parse_short_option): Keep dash_z from registering itself.
7072
7073 2009-03-03  Ian Lance Taylor  <iant@google.com>
7074
7075         PR 9918
7076         * target-reloc.h (relocate_section): Pass output_section to
7077         relocate.
7078         * i386.cc (Target_i386::should_apply_static_reloc): Add
7079         output_section parameter.  Change all callers.
7080         (Target_i386::Relocate::relocate): Add output_section parameter.
7081         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7082         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
7083         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
7084         * testsuite/two_file_shared.sh: New script.
7085         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
7086         (check_DATA): Add two_file_shared.dbg.
7087         (two_file_shared.dbg): New target.
7088         * testsuite/Makefile.in: Rebuild.
7089
7090 2009-03-01  Ian Lance Taylor  <iant@google.com>
7091
7092         * configure.ac: Check for byteswap.h.
7093         * configure: Rebuild.
7094         * config.in: Rebuild.
7095
7096 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
7097
7098         * layout.cc (Layout::find_or_add_kept_section): New function.
7099         (Layout::add_comdat): Removed.
7100         * layout.h (struct Kept_section): Move out of class Layout.
7101         Remove trailing underscores from field names.  Add group_sections
7102         field.  Rename group_ field to is_group.  Change all uses.
7103         (class Layout): Declare find_or_add_kept_section, not add_comdat.
7104         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
7105         comdat_groups_ field.
7106         (Sized_relobj::include_section_group): Use
7107         find_or_add_kept_section and Kept_section::group_sections.
7108         (Sized_relobj::include_linkonce_section): Likewise.
7109         * object.cc (class Sized_relobj): Don't define Comdat_group or
7110         Comdat_group_table.  Remove find_comdat_group and
7111         add_comdat_group.  Remove comdat_groups_ field.
7112         * plugin.cc (include_comdat_group): Use
7113         Layout::find_or_add_kept_section.
7114
7115 2009-02-28  Ian Lance Taylor  <iant@google.com>
7116
7117         * README: --gc-sections and map files are now supported.  Document
7118         some build requirements.
7119
7120         PR 6992
7121         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
7122         relocatable link set the value of the section symbol to zero.
7123         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
7124         relocatable link don't include the section address in the local
7125         symbol value.
7126
7127 2009-02-27  Ian Lance Taylor  <iant@google.com>
7128
7129         PR 6811
7130         * options.h (class Search_directory): Add is_system_directory.
7131         (class General_options): Declare is_in_system_directory.
7132         * options.cc (get_relative_sysroot): Make static.
7133         (get_default_sysroot): Make static.
7134         (General_optoins::is_in_system_directory): New function.
7135         * fileread.cc (Input_file::is_in_system_directory): New function.
7136         * fileread.h (class Input_file): Declare is_in_system_directory.
7137         * object.h (class Object): Add is_in_system_directory.
7138         (class Input_objects): Remove system_library_directory_ field.
7139         * object.cc (Input_objects::add_object): Don't set
7140         system_library_directory_.
7141         (input_objects::found_in_system_library_directory): Remove.
7142         * symtab.cc (Symbol_table::write_globals): Remove input_objects
7143         parameter.  Change all callers.
7144         (Symbol_table::sized_write_globals): Likewise.
7145         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
7146         Call Object::is_in_system_directory.
7147         * symtab.h (class Symbol_table): Update declarations.
7148
7149         PR 5990
7150         * descriptors.h (Open_descriptor): Add is_on_stack field.
7151         * descriptors.cc (Descriptors::open): If the descriptor is on the
7152         top of the stack, remove it.  Initialize is_on_stack field.
7153         (Descriptors::release): Only add pod to stack if it is not on the
7154         stack already.
7155         (Descriptors::close_some_descriptor): Clear stack_next and
7156         is_on_stack fields.
7157
7158         PR 7091
7159         * output.cc (Output_section::find_starting_output_address): Rename
7160         from starting_output_address; add PADDR parameter; change return
7161         type.
7162         * output.h (class Output_section): Declare
7163         find_starting_output_address instead of starting_output_address.
7164         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
7165         section symbol for which we can't find a merge section.
7166
7167         PR 9836
7168         * symtab.cc (Symbol_table::add_from_object): If the visibility is
7169         hidden or internal, force the symbol to be local.
7170         * resolve.cc (Symbol::override_visibility): Define.
7171         (Symbol::override_base): Use override_visibility.
7172         (Symbol_table::resolve): Likewise.
7173         (Symbol::override_base_with_special): Likewise.
7174         (Symbol_table::override_with_special): If the visibility is hidden
7175         or internal, force the symbol to be local.
7176         * symtab.h (class Symbol): Add set_visibility and
7177         override_visibility.
7178         * testsuite/ver_test_1.sh: New file.
7179         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
7180         (check_DATA): Add ver_test_1.syms.
7181         (ver_test_1.syms): New target.
7182         * testsuite/Makefile.in: Rebuild.
7183
7184 2009-02-25  Cary Coutant  <ccoutant@google.com>
7185
7186         * layout.cc (Layout::choose_output_section): Don't rename sections
7187         when using a linker script that has a SECTIONS clause.
7188         * Makefile.in: Regenerate.
7189
7190         * testsuite/Makefile.am (script_test_5.sh): New test case.
7191         * testsuite/Makefile.in: Regenerate.
7192         * testsuite/script_test_5.cc: New file.
7193         * testsuite/script_test_5.sh: New file.
7194         * testsuite/script_test_5.t: New file.
7195
7196 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
7197
7198         * archive.cc (Archive::include_member): Update calls to add_symbols.
7199         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
7200         the Layout argument.
7201         * dynobj.h (do_add_symbols): Add the Layout argument.
7202         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7203         Layout argument.
7204         * object.h (Object::add_symbols): Add the Layout argument.
7205         (Object::do_add_symbols): Add the Layout argument.
7206         (Sized_relobj::do_add_symbols): Add the Layout argument.
7207         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7208         Unify the two versions.
7209         (Add_plugin_symbols): Remove.
7210         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7211         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7212         (Add_plugin_symbols): Remove.
7213         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7214         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7215         (Add_symbols::run): Make it work with Pulginobj.
7216
7217 2009-02-06  Ian Lance Taylor  <iant@google.com>
7218
7219         * object.cc (Sized_relobj::do_layout): Make info message start
7220         with lower case letter.
7221
7222 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7223
7224         * binary.cc: Fix file comment.
7225
7226         * options.h (enum Incremental_disposition): Define.
7227         (class General_options): Add new options: --incremental,
7228         --incremental_changed, --incremental_unchanged,
7229         --incremental_unknown.  Add incremental_disposition_ and
7230         implicit_incremental_ fields.
7231         (General_options::incremental_disposition): New function.
7232         (class Position_dependent_options): Add incremental_disposition
7233         option.
7234         (Position_dependent_options::copy_from_options): Set incremental
7235         dispositions.
7236         * options.cc (General_options::parse_incremental_changed): New
7237         function.
7238         (General_options::parse_incremental_unchanged): New function.
7239         (General_options::parse_incremental_unknown): New function.
7240         (General_options::General_options): Initialize new fields
7241         incremental_disposition_ and implicit_incremental_.
7242         (General_options::finalize): Check for uasge of --incremental-*
7243         without --incremental.
7244
7245 2009-02-06  Chris Demetriou  <cgd@google.com>
7246
7247         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7248         pointer and to report location as the file name associated with
7249         the symbol.
7250         (gold_undefined_symbol_at_location): New function to replace the
7251         old gold_undefined_symbol functionality.
7252         * target-reloc.h (relocate_section): Update to use
7253         gold_undefined_symbol_at_location.
7254         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7255         Call gold_undefined_symbol function rather than gold_error.
7256         * errors.h (Errors::undefined_symbol): Take location as a
7257         string, rather than calculating it from a relocation.
7258         * errors.cc (Errors::fatal): Print "fatal error:" before the
7259         formatted message.
7260         (Errors::error, Errors::error_at_location): Print "error: "
7261         before the formatted message.
7262         (Errors::undefined_symbol): Take location as a string, rather
7263         than calculating it from a relocation.
7264         (gold_undefined_symbol_at_location): New function akin to
7265         old gold_undefined_symbol, calculates location from relocation.
7266         (gold_undefined_symbol): Change to take only a Symbol pointer
7267         and to report location as the file name associated with the symbol.
7268         * testsuite/debug_msg.sh: Update for changed error messages.
7269         * testsuite/undef_symbol.sh: Likewise.
7270
7271 2009-02-04  Duncan Sands  <baldrick@free.fr>
7272
7273         PR 9812
7274         * reduced_debug_output.h
7275         (Output_reduced_debug_abbrev_section::failed): Use format for
7276         gold_warning.
7277         (Output_reduced_debug_info_section::faild): Likewise.
7278
7279 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7280
7281         * script.cc (Lazy_demangler): New class.
7282         (Version_script_info::get_symbol_version_helper): Demangle a
7283         symbol only once.
7284
7285 2009-01-29  Cary Coutant  <ccoutant@google.com>
7286
7287         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7288         to __tls_get_addr.
7289         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7290
7291 2009-01-28  Ian Lance Taylor  <iant@google.com>
7292
7293         * version.cc (version_string): Bump to 1.9.
7294
7295         * gold.h: Include <cstring> and <stdint.h>.
7296         * version.cc: Include <cstdio>.
7297         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7298         warning.
7299         * reduced_debug_output.cc (insert_into_vector): Rename from
7300         Insert_into_vector; change all callers.  Use Swap_unaligned to
7301         avoid aliasing issue; remove union since it is unnecessary.
7302
7303 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7304
7305         * Makefile.am (CCFILES): Add gc.cc.
7306         (HFILES): Add gc.h.
7307         * Makefile.in: Regenerate.
7308         * gold.cc (Gc_runner): New class.
7309         (queue_initial_tasks): Call garbage collection related tasks
7310         when corresponding options are invoked.
7311         (queue_middle_gc_tasks): New function.
7312         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7313         processed early before laying out sections during garbage collection.
7314         * gold.h (queue_middle_gc_tasks): New function.
7315         (is_prefix_of): Move from "layout.cc".
7316         * i386.cc (Target_i386::gc_process_relocs): New function.
7317         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7318         * main.cc (main): Create object of class "Garbage_collection".
7319         * object.cc (Relobj::copy_symbols_data): New function.
7320         (Relobj::is_section_name_included): New function.
7321         (Sized_relobj::do_layout): Allow this function to be called twice
7322         during garbage collection and defer layout of section during the
7323         first call.
7324         * object.h (Relobj::get_symbols_data): New function.
7325         (Relobj::is_section_name_included): New function.
7326         (Relobj::copy_symbols_data): New function.
7327         (Relobj::set_symbols_data): New function.
7328         (Relobj::get_relocs_data): New function.
7329         (Relobj::set_relocs_data): New function.
7330         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7331         (Relobj::gc_process_relocs): New function.
7332         (Relobj::do_gc_process_relocs): New pure virtual function.
7333         (Relobj::sd_): New data member.
7334         (Sized_relobj::is_output_section_offset_invalid): New function.
7335         (Sized_relobj::do_gc_process_relocs): New function.
7336         * options.h (General_options::gc_sections): Modify to not be a no-op.
7337         (General_options::print_gc_sections): New option.
7338         * plugin.cc (Plugin_finish::run): Remove function call to
7339         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7340         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7341         * reloc.cc (Read_relocs::run): Add task to process relocs and
7342         determine unreferenced sections when doing garbage collection.
7343         (Gc_process_relocs): New class.
7344         (Sized_relobj::do_gc_process_relocs): New function.
7345         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7346         sections that are garbage collected.
7347         * reloc.h (Gc_process_relocs): New class.
7348         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7349         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7350         symbols whose corresponding sections are garbage collected.
7351         (Symbol_table::Symbol_table): Add new parameter for the garbage
7352         collection object.
7353         (Symbol_table::gc_mark_undef_symbols): New function.
7354         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7355         (Symbol_table::gc_mark_dyn_syms): New function.
7356         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7357         as garbage.
7358         (Symbol_table::add_from_object): Likewise.
7359         (Symbol_table::add_from_relobj): When building shared objects, do not
7360         treat externally visible symbols as garbage.
7361         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7362         table information for static and relocatable links.
7363         * symtab.h (Symbol_table::set_gc): New function.
7364         (Symbol_table::gc): New function.
7365         (Symbol_table::gc_mark_undef_symbols): New function.
7366         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7367         (Symbol_table::gc_mark_dyn_syms): New function.
7368         (Symbol_table::gc_): New data member.
7369         * target.h (Sized_target::gc_process_relocs): New pure virtual
7370         function.
7371         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7372         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7373
7374 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7375
7376         * options.h (General_options::gc_sections): Define as a no-op for now.
7377         (General_options::no_keep_memory): Ditto.
7378         (General_options::Bshareable): Define.
7379         * options.cc (General_options::finalize): Honor -Bshareable.
7380
7381 2009-01-20  Andreas Schwab  <schwab@suse.de>
7382
7383         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7384         read the value in the contents, since we don't use it.  Use the
7385         template endianness when writing.
7386         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7387
7388 2009-01-19  Andreas Schwab  <schwab@suse.de>
7389
7390         * configure.tgt (powerpc64-*): Fix targ_obj.
7391
7392 2009-01-15  Ian Lance Taylor  <iant@google.com>
7393
7394         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7395         local symbols when stripping all symbols.
7396
7397 2009-01-14  Cary Coutant  <ccoutant@google.com>
7398
7399         * output.cc (Output_reloc): Add explicit instantiations.
7400
7401 2009-01-14  Cary Coutant  <ccoutant@google.com>
7402
7403         * archive.cc (Archive::get_elf_object_for_member): Remove call
7404         to File_read::claim_for_plugin.
7405         * descriptors.cc (Descriptors::open): Remove reference to
7406         is_claimed.
7407         (Descriptors::claim_for_plugin): Remove.
7408         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7409         (Descriptors::is_claimed): Remove.
7410         (claim_descriptor_for_plugin): Remove.
7411         * fileread.cc (File_read::claim_for_plugin): Remove.
7412         * fileread.h (File_read::claim_for_plugin): Remove.
7413         (File_read::descriptor): Reopen descriptor if necessary.
7414         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7415         (Plugin_manager::all_symbols_read): Add task parameter. Change
7416         all callers.
7417         (Plugin_manager::get_input_file): New function.
7418         (Plugin_manager::release_input_file): New function.
7419         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7420         corresponding data member.
7421         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7422         and pass to base constructor. Change all callers.
7423         (get_input_file, release_input_file): New functions.
7424         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7425         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7426         (Plugin_manager::all_symbols_read): Add task parameter.
7427         (Plugin_manager::get_input_file): New function.
7428         (Plugin_manager::release_input_file): New function.
7429         (Plugin_manager::task_): New data member.
7430         (Pluginobj::Pluginobj): Add filesize parameter.
7431         (Pluginobj::filename): New function.
7432         (Pluginobj::descriptor): New function.
7433         (Pluginobj::filesize): New function.
7434         (Pluginobj::filesize_): New data member.
7435         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7436         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7437         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7438
7439         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7440         with archive libraries.
7441         * testsuite/Makefile.in: Regenerate.
7442         * testsuite/plugin_test.c (struct sym_info): New type.
7443         (get_input_file, release_input_file): New static variables.
7444         (onload): Capture new transfer vector entries.
7445         (claim_file_hook): Stop reading at end of file according to filesize.
7446         Factor out parsing of readelf output into separate function.
7447         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7448         APIs and get the source file name from the symbol table.  Convert
7449         source file name to corresponding object file name.  Print info
7450         message when adding new input files.
7451         (parse_readelf_line): New function.
7452         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7453         * testsuite/plugin_test_2.sh: Likewise.
7454         * testsuite/plugin_test_3.sh: Likewise.
7455         * testsuite/plugin_test_4.sh: New test case.
7456
7457 2009-01-07  Ian Lance Taylor  <iant@google.com>
7458
7459         * version.cc (version_string): Bump to 1.8.
7460
7461 2008-12-23  Cary Coutant  <ccoutant@google.com>
7462
7463         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7464         * plugin.cc (Plugin_manager::finish): Rename as
7465         layout_deferred_objects.  Move cleanup to separate function.
7466         (Plugin_manager::cleanup): New function.
7467         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7468         separately.
7469         * plugin.h (Plugin_manager::finish): Rename as
7470         layout_deferred_objects.
7471         (Plugin_manager::cleanup): New function.
7472         (Plugin_manager::cleanup_done): New field.
7473
7474 2008-12-23  Cary Coutant  <ccoutant@google.com>
7475
7476         * plugin.cc (is_visible_from_outside): New function.
7477         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7478         so we don't return "IR only" status for exported symbols or -r links.
7479
7480         * testsuite/Makefile.am (plugin_test_3): New test case.
7481         * testsuite/Makefile.in: Regenerate.
7482         * testsuite/plugin_test_3.sh: New file.
7483
7484 2008-12-22  Cary Coutant  <ccoutant@google.com>
7485
7486         * object.cc (Sized_relobj::layout_section): New function.
7487         (Sized_relobj::do_layout): Defer layout of input sections until after
7488         plugin has provided replacement files.
7489         (Sized_relobj::do_layout_deferred_sections): New function.
7490         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7491         (Relobj::layout_deferred_sections): New function.
7492         (Relobj::do_layout_deferred_sections): New function.
7493         (Sized_relobj::do_layout_deferred_sections): New function.
7494         (Sized_relobj::layout_section): New function.
7495         (Sized_relobj::Deferred_layout): New structure.
7496         (Sized_relobj::deferred_layout_): New field.
7497         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7498         Change all callers.  Layout deferred sections.
7499         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7500         references.
7501         (Plugin_hook::run): Move code from do_plugin_hook inline.
7502         (Plugin_hook::do_plugin_hook): Remove.
7503         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7504         (Plugin_manager::finish): Renamed, was cleanup.
7505         (Plugin_manager::should_defer_layout): New function.
7506         (Plugin_manager::add_deferred_layout_object): New function.
7507         (Plugin_manager::Deferred_layout_list): New type.
7508         (Plugin_manager::deferred_layout_objects_): New field.
7509         (Plugin_hook::do_plugin_hook): Remove.
7510
7511 2008-12-17  Ian Lance Taylor  <iant@google.com>
7512
7513         * options.h (class General_options): Add --no case for
7514         --export-dynamic.
7515
7516 2008-12-16  Cary Coutant  <ccoutant@google.com>
7517
7518         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7519         vector.
7520         (Plugin_manager::claim_file): Create plugin object even if
7521         plugin did not call the add_symbols callback.
7522         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7523         asking for more symbols than were added.
7524         * testsuite/Makefile.am (plugin_test_1): Add test case with
7525         no global symbols.
7526         (empty.syms): New target.
7527         * testsuite/Makefile.in: Regenerate.
7528         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7529         message. Don't call add_symbols if no globals.
7530         (all_symbols_read_hook): Don't provide replacement for empty
7531         claimed file.
7532
7533 2008-12-12  Ian Lance Taylor  <iant@google.com>
7534
7535         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7536         r_type == 0 for a local symbol with r_sym == 0.
7537         (scan_relocatable_relocs): Pass r_sym to
7538         local_non_section_strategy.
7539         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7540         r_sym parameter.
7541
7542         * configure.ac: Update test for TLS descriptors: they are
7543         supported as of glibc 2.9.
7544         * configure: Rebuild.
7545
7546 2008-12-11  Ian Lance Taylor  <iant@google.com>
7547
7548         PR 7091
7549         * target-reloc.h (Default_scan_relocatable_relocs): For each
7550         function, map r_type == 0 to RELOC_DISCARD.
7551
7552 2008-12-10  Cary Coutant  <ccoutant@google.com>
7553
7554         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7555         object to override a kept COMDAT group from a plugin object.
7556
7557 2008-12-09  Ian Lance Taylor  <iant@google.com>
7558
7559         PR 7088
7560         * yyscript.y (file_cmd): Handle INPUT.
7561
7562         * testsuite/initpri1.c: Change all declarations to be full
7563         prototypes by adding void, to avoid compiler warnings.
7564
7565 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7566
7567         * options.cc (General_options::parse_plugin_opt): New.
7568         (General_options::add_plugin): The argument now is just the filename.
7569         (General_options::add_plugin_option): New.
7570         * options.h (plugin_opt): New.
7571         (add_plugin): Change argument name.
7572         (add_plugin_option): New.
7573         * plugin.cc (Plugin::load): Don't parse the plugin option.
7574         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7575         (Plugin::add_option): New.
7576         (Plugin::args_): Change type.
7577         (Plugin::filename_): New.
7578         (Plugin_manager::add_plugin_option): New.
7579         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7580         * testsuite/Makefile.in: Regenerate.
7581
7582 2008-12-05  Cary Coutant  <ccoutant@google.com>
7583
7584         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7585         Handle --strip-lto-sections option.
7586         * options.h (strip_lto_sections): New option.
7587
7588 2008-12-01  Cary Coutant  <ccoutant@google.com>
7589
7590         * plugin.cc (ld_plugin_message): Change format parameter to const.
7591         Fix mismatch between new[] and delete.
7592
7593 2008-11-14  Cary Coutant  <ccoutant@google.com>
7594
7595         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7596         instead of -1U.
7597
7598 2008-11-05  Craig Silverstein  <csilvers@google.com>
7599
7600         * options.cc (General_options::parse_dynamic_list): New function.
7601         * options.h (General_options): New flags dynamic_list,
7602         dynamic_list_data, dynamic_list_cpp_new, and
7603         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7604         (General_options::in_dynamic_list): New function.
7605         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7606         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7607         (Lex::can_continue_name): Likewise.
7608         (yylex): Likewise.
7609         (read_script_file): New parameter script_options.
7610         (read_dynamic_list): New function.
7611         (Script_options::define_dynamic_list): New function.
7612         (dynamic_list_keyword_parsecodes): New variable.
7613         (dynamic_list_keywords): New variable.
7614         * script.h (Script_options::define_dynamic_list): New function
7615         prototype.
7616         (read_dynamic_list): New function prototype.
7617         * symtab.cc (strprefix): New macro.
7618         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7619         dynamic_list_data, dynamic_list_cpp_new, and
7620         dynamic_list_cpp_typeinfo.
7621         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7622         (dynamic_list_expr): New rule.
7623         (dynamic_list_nodes): Likewise.
7624         (dynamic_list_node): Likewise.
7625         * testsuite/Makefile.am (dynamic_list): New test.
7626         * testsuite/Makefile.in: Regenerated.
7627         * testsuite/dynamic_list.t: New file.
7628         * testsuite/dynamic_list.sh: New file.
7629
7630 2008-11-05  Craig Silverstein  <csilvers@google.com>
7631
7632         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7633         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7634         (t11_last): Likewise.
7635         * testsuite/ver_test_6.c (main): Likewise.
7636
7637 2008-10-07  Cary Coutant  <ccoutant@google.com>
7638
7639         * options.c (General_options::finalize): Add check for -static and
7640         -shared.
7641         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7642         is not empty.
7643
7644 2008-10-02  Cary Coutant  <ccoutant@google.com>
7645
7646         * plugin.cc (make_sized_plugin_object): Fix conditional
7647         compilation to work when not all targets are enabled.
7648
7649 2008-09-29  Cary Coutant  <ccoutant@google.com>
7650
7651         * archive.cc (Archive::get_file_and_offset): Use filename instead
7652         of name to get library path.
7653         (Archive::include_member): Unlock external member of a thin archive.
7654
7655         * testsuite/Makefile.am (TEST_AR): New variable.
7656         (thin_archive_test_1): New test.
7657         (thin_archive_test_2): New test.
7658         * testsuite/Makefile.in: Regenerate.
7659         * testsuite/thin_archive_main.cc: New file.
7660         * testsuite/thin_archive_test_1.cc: New file.
7661         * testsuite/thin_archive_test_2.cc: New file.
7662         * testsuite/thin_archive_test_3.cc: New file.
7663         * testsuite/thin_archive_test_4.cc: New file.
7664
7665 2008-09-29  Cary Coutant  <ccoutant@google.com>
7666
7667         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7668         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7669         instead of -1U.
7670         (Sized_relobj::do_finalize_local_symbols): Likewise.
7671         (Sized_relobj::map_to_kept_section): Likewise.
7672         * object.h (Sized_relobj::invalid_address): New constant.
7673         (Sized_relobj::do_output_section_offset): Check for invalid_address
7674         and return -1ULL.
7675         * output.cc (Output_reloc::local_section_offset): Use constant
7676         invalid_address instead of -1U.
7677         (Output_reloc::get_address): Likewise.
7678         (Output_section::output_address): Change -1U to -1ULL.
7679         * output.h (Output_reloc::invalid_address): New constant.
7680         * reloc.cc (Sized_relobj::write_sections): Use constant
7681         invalid_address instead of -1U.
7682         (Sized_relobj::relocate_sections): Likewise.
7683         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7684         values for merge sections.
7685         * target-reloc.h (relocate_for_relocatable): Use constant
7686         invalid_address instead of -1U.
7687
7688 2008-09-19  Cary Coutant  <ccoutant@google.com>
7689
7690         Add plugin functionality for link-time optimization (LTO).
7691         * configure.ac (plugins): Add --enable-plugins option.
7692         * configure: Regenerate.
7693         * config.in: Regenerate.
7694         * Makefile.am (LIBDL): New variable.
7695         (CCFILES): Add plugin.cc.
7696         (HFILES): Add plugin.h.
7697         (ldadd_var): Add LIBDL.
7698         * Makefile.in: Regenerate.
7699
7700         * archive.cc: Include "plugin.h".
7701         (Archive::setup): Don't preread archive symbols when using a plugin.
7702         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7703         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7704         files.
7705         (Archive::include_member): Add symbols from plugin objects.
7706         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7707         * descriptors.cc (Descriptors::open): Check for file descriptors
7708         abandoned by plugins.
7709         (Descriptors::claim_for_plugin): New function.
7710         * descriptors.h (Descriptors::claim_for_plugin): New function.
7711         (Open_descriptor::is_claimed): New field.
7712         (claim_descriptor_for_plugin): New function.
7713         * fileread.cc (File_read::claim_for_plugin): New function.
7714         * fileread.h (File_read::claim_for_plugin): New function.
7715         (File_read::descriptor): New function.
7716         * gold.cc: Include "plugin.h".
7717         (queue_initial_tasks): Add task to call plugin hooks for generating
7718         new object files.
7719         * main.cc: Include "plugin.h".
7720         (main): Load plugin libraries.
7721         * object.h (Pluginobj): Declare.
7722         (Object::pluginobj): New function.
7723         (Object::do_pluginobj): New function.
7724         (Object::set_target): New function.
7725         * options.cc: Include "plugin.h".
7726         (General_options::parse_plugin): New function.
7727         (General_options::General_options): Initialize plugins_ field.
7728         (General_options::add_plugin): New function.
7729         * options.h (Plugin_manager): Declare.
7730         (General_options): Add --plugin option.
7731         (General_options::has_plugins): New function.
7732         (General_options::plugins): New function.
7733         (General_options::add_plugin): New function.
7734         (General_options::plugins_): New field.
7735         * plugin.cc: New file.
7736         * plugin.h: New file.
7737         * readsyms.cc: Include "plugin.h".
7738         (Read_symbols::do_read_symbols): Check for archive before checking
7739         for ELF file.  Call plugin hooks to claim files.
7740         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7741         from a real object file; force override when processing replacement
7742         files.
7743         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7744         (Symbol::init_base_object): Likewise.
7745         (Symbol::init_base_output_data): Likewise.
7746         (Symbol::init_base_output_segment): Likewise.
7747         (Symbol::init_base_constant): Likewise.
7748         (Symbol::init_base_undefined): Likewise.
7749         (Symbol::output_section): Assert that object is not a plugin.
7750         (Symbol_table::add_from_pluginobj): New function.
7751         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7752         undefined.
7753         (Symbol_table::sized_write_globals): Likewise.
7754         (Symbol_table::add_from_pluginobj): Instantiate template.
7755         * symtab.h (Sized_pluginobj): Declare.
7756         (Symbol::in_real_elf): New function.
7757         (Symbol::set_in_real_elf): New function.
7758         (Symbol::in_real_elf_): New field.
7759         (Symbol_table::add_from_pluginobj): New function.
7760
7761         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7762         (LIBDL): New variable.
7763         (LDADD): Add LIBDL.
7764         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7765         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7766         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7767         (MOSTLYCLEANFILES): Likewise.
7768         * testsuite/Makefile.in: Regenerate.
7769         * testsuite/plugin_test.c: New file.
7770         * testsuite/plugin_test_1.sh: New file.
7771         * testsuite/plugin_test_2.sh: New file.
7772
7773 2008-09-16  Ian Lance Taylor  <iant@google.com>
7774
7775         * target-reloc.h (relocate_section): Check whether a symbol is
7776         defined by the ABI before reporting an undefined symbol error.
7777         * target.h (Target::is_defined_by_abi): Make parameter const.
7778         (Target::do_is_defined_by_abi): Likewise.
7779         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7780         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7781         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7782         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7783         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7784         * testsuite/Makefile.in: Rebuild.
7785
7786         * fileread.cc (make_view): Add casts to avoid warning.
7787
7788 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7789
7790         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7791         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7792
7793 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7794
7795         * options.h (General_options::output_is_executable): New.
7796         (General_options::output_is_pie): New.
7797         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7798         for shared libraries.
7799         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7800
7801 2008-09-11  Chris Demetriou  <cgd@google.com>
7802
7803         * options.h (origin): New -z option.
7804         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7805         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7806         in DT_FLAGS_1.
7807
7808 2008-09-05  Cary Coutant  <ccoutant@google.com>
7809
7810         * fileread.cc (File_read::make_view): Add check for attempt to map
7811         beyond end of file.
7812
7813 2008-09-05  Cary Coutant  <ccoutant@google.com>
7814
7815         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7816         explicit instantiations.
7817
7818 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7819
7820         PR gold/6858
7821         * options.cc (General_options::finalize): Allow undefined symbols
7822         in shlibs if linking -shared.
7823
7824         PR gold/6859
7825         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7826         symbols as not needing a dynsym entry.
7827
7828 2008-08-20  Craig Silverstein  <csilvers@google.com>
7829
7830         * fileread.cc (File_read::open): Do not lock the file unless it
7831         was successfully opened.
7832
7833 2008-08-14  Cary Coutant  <ccoutant@google.com>
7834
7835         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7836         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7837         * testsuite/tls_test.cc (struct int128): 128-bit struct
7838         for testing TLS relocs with non-zero addend.
7839         (v12): New TLS variable.
7840         (t12): New test.
7841         (t_last): Add check for v12.
7842         * testsuite/tls_test.h (t12): New function.
7843         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7844
7845 2008-08-13  Ian Lance Taylor  <iant@google.com>
7846
7847         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7848         set tls_segment_ or relro_segment_.
7849         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7850         when appropriate.
7851         * output.h (Output_section::clear_is_relro): New function.
7852         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7853         sections specially even when output_data_ is empty.
7854         (Output_segment::maximum_alignment): When first section is relro,
7855         only force alignment for PT_LOAD segments.
7856         * script.cc (script_data_segment_align): New function.
7857         (script_data_segment_relro_end): New function.
7858         * script-c.h (script_data_segment_align): Declare.
7859         (script_data_segment_relro_end): Declare.
7860         * script-sections.h (class Script_sections): Declare
7861         data_segment_align and data_segment_relro_end.  Add fields
7862         segment_align_index_ and saw_relro_end_.
7863         * script-sections.cc (class Sections_element): Add set_is_relro
7864         virtual function.  Add new bool* parameter to place_orphan_here.
7865         Add get_output_section virtual function.
7866         (class Output_section_definition): Add set_is_relro.  Add new
7867         bool* parameter to place_orphan_here.  Add get_output_section.
7868         Add is_relro_ field.
7869         (Output_section_definition::Output_section_definition): Initialize
7870         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7871         and is_relro_ fields.
7872         (Output_section_definition::place_orphan_here): Add is_relro
7873         parameter.
7874         (Output_section_definition::set_section_addresses): Set relro for
7875         output section.
7876         (Output_section_definition::alternate_constraint): Likewise.
7877         (class Orphan_output_section): Add new bool* parameter to
7878         place_orphan_here.  Add get_output_section.
7879         (Orphan_output_section::place_orphan_here): Add is_relro
7880         parameter.
7881         (Script_sections::Script_sections): Initialize
7882         data_segment_align_index_ and saw_relro_end_.
7883         (Script_sections::data_segment_align): New function.
7884         (Script_sections::data_segment_relro_end): New function.
7885         (Script_sections::place_orphan): Set or clear is_relro.
7886         (Script_sections::set_section_addresses): Force alignment of first
7887         TLS section.
7888         * yyscript.y (exp): Call script_data_segment_align and
7889         script_data_segment_relro_end.
7890         * testsuite/relro_script_test.t: New file.
7891         * testsuite/relro_test.cc (using_script): Declare.
7892         (t1, t2): Test using_script.
7893         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7894         (relro_script_test_SOURCES): Define.
7895         (relro_script_test_DEPENDENCIES): Define.
7896         (relro_script_test_LDFLAGS): Define.
7897         (relro_script_test_LDADD): Define.
7898         (relro_script_test.so): New target.
7899         * testsuite/Makefile.in: Rebuild.
7900
7901 2008-08-06  Cary Coutant <ccoutant@google.com>
7902
7903         * archive.cc (Archive::total_archives, Archive::total_members)
7904         (Archive::total_members_loaded): New variables.
7905         (Archive::setup): Add parameter.  Add option to preread
7906         archive symbols.
7907         (Archive::read_armap): Add counter.
7908         (Archive::get_file_and_offset): New function.
7909         (Archive::get_elf_object_for_member): New function.
7910         (Archive::read_all_symbols): New function.
7911         (Archive::read_symbols): New function.
7912         (Archive::add_symbols): Add counters.
7913         (Archive::include_all_members): Use armap to find members if it's
7914         already built.
7915         (Archive::include_member): Skip reading symbols if already read.
7916         Factored code into Archive::get_file_and_offset and
7917         Archive::get_elf_object_for_member.  Changed call to
7918         Mapfile::report_include_archive_member.
7919         (Archive::print_stats): New function.
7920         * archive.h: Declare Object and Read_symbols_data classes.
7921         (Archive::Archive): Add initializers for new members.
7922         (Archive::setup): Add parameter.
7923         (Archive::print_stats): New function.
7924         (Archive::total_archives, Archive::total_members)
7925         (Archive::total_members_loaded): New variables.
7926         (Archive::get_file_and_offset): New function.
7927         (Archive::get_elf_object_for_member): New function.
7928         (Archive::read_all_symbols): New function.
7929         (Archive::read_symbols): New function.
7930         (Archive::Archive_member): New class.
7931         (Archive::members_): New member.
7932         (Archive::num_members_): New member.
7933         * main.cc: Include archive.h.
7934         (main): Call Archive::print_stats.
7935         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7936         archive parameter; member_name is now the fully-decorated name.
7937         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7938         * options.h: (General_options): Add --preread-archive-symbols option.
7939         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7940         Archive::setup.
7941
7942 2008-08-04  Ian Lance Taylor  <iant@google.com>
7943
7944         * symtab.h (Symbol::use_plt_offset): New function.
7945         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7946         * powerpc.cc (Relocate::relocate): Likewise.
7947         * sparc.cc (Relocate::relocate): Likewise.
7948         * x86_64.cc (Relocate::relocate): Likewise.
7949         * testsuite/weak_plt.sh: New test.
7950         * testsuite/weak_plt_main.cc: New test.
7951         * testsuite/weak_plt_shared.cc: New test.
7952         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7953         (check_PROGRAMS): Add weak_plt.
7954         (check_DATA): Add weak_plt_shared.so.
7955         (weak_plt_main_pic.o, weak_plt): New targets.
7956         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7957         * testsuite/Makefile.in: Rebuild.
7958
7959         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7960         gcctestdir/ld.
7961         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7962         * testsuite/Makefile.in: Rebuild.
7963
7964 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7965
7966         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7967         * Makefile.in: Regenerate.
7968         * po/POTFILES.in: Regenerate.
7969
7970 2008-07-29  Ian Lance Taylor  <iant@google.com>
7971
7972         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7973         symbols before other symbols.
7974         * testsuite/script_test_2.cc (test_addr): Declare.
7975         (test_addr_alias): Declare.
7976         (main): Check that test_addr and test_addr_alias have the right
7977         values.
7978         * testsuite/script_test_2.t: Define test_addr_alias and
7979         test_addr.
7980
7981 2008-07-24  Ian Lance Taylor  <iant@google.com>
7982
7983         PR 5990
7984         * descriptors.cc: New file.
7985         * descriptors.h: New file.
7986         * gold-threads.h (class Hold_optional_lock): New class.
7987         * fileread.cc: Include "descriptors.h".
7988         (File_read::~File_read): Release descriptor rather than closing
7989         it.
7990         (File_read::open) [file]: Call open_descriptor rather than open.
7991         Set is_descriptor_opened_.
7992         (File_read::open) [memory]: Assert that descriptor is not open.
7993         (File_read::reopen_descriptor): New function.
7994         (File_read::release): Release descriptor.
7995         (File_read::do_read): Make non-const.  Reopen descriptor.
7996         (File_read::read): Make non-const.
7997         (File_read::make_view): Reopen descriptor.
7998         (File_read::do_readv): Likewise.
7999         * fileread.h (class File_read): Add is_descriptor_opened_ field.
8000         Update declarations.
8001         * layout.cc: Include "descriptors.h".
8002         (Layout::create_build_id): Use open_descriptor rather than open.
8003         * output.cc: Include "descriptors.h".
8004         (Output_file::open): Use open_descriptor rather than open.
8005         * archive.cc (Archive::const_iterator): Change Archive to be
8006         non-const.
8007         (Archive::begin, Archive::end): Make non-const.
8008         (Archive::count_members): Likewise.
8009         * archive.h (class Archive): Update declarations.
8010         * object.h (Object::read): Make non-const.
8011         * Makefile.am (CCFILES): Add descriptors.cc.
8012         (HFILES): Add descriptors.h.
8013         * Makefile.in: Rebuild.
8014
8015         PR 6716
8016         * gold.h: Always include <clocale>.  Add Solaris workarounds
8017         following code in binutils/sysdep.h.
8018
8019         PR 6048
8020         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
8021         this->eh_frame_hdr_ is NULL before using it.
8022
8023         * dynobj.cc (Versions::Versions): Update comment.
8024
8025         * dynobj.cc (Versions::Versions): If there is an soname, use it as
8026         the base version name.
8027
8028         * stringpool.cc (Stringpool_template::add_with_length): Set key to
8029         array size plus one.
8030         (Stringpool_template::set_string_offsets): Subtract one from key
8031         before using it as an array index.
8032         (Stringpool_template::get_offset_with_length): Likewise.
8033         (Stringpool_template::write_to_buffer): Likewise.
8034         * stringpool.h (Stringpool_template::get_offset_from_key):
8035         Likewise.
8036
8037 2008-07-23  Ian Lance Taylor  <iant@google.com>
8038
8039         PR 6658
8040         * object.h (Merged_symbol_value::value): Do our best to handle a
8041         negative addend.
8042
8043         PR 6647
8044         * script.cc (Version_script_info::get_versions): Don't add empty
8045         version tag to return value.
8046         (Version_script_info::get_symbol_version_helper): Change return
8047         type to bool.  Add pversion parameter.  Change all callers.
8048         (script_register_vers_node): Don't require a non-NULL tag.
8049         * script.h (class Version_script_info): Update declarations.
8050         (Version_script_info::get_symbol_version): Change return type to
8051         bool.  Add version parameter.  Change all callers.
8052         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
8053         handling.  Handle an empty version from a version script.
8054         (Symbol_table::define_special_symbol): Likewise.
8055         * testsuite/ver_test_10.script: New file.
8056         * testsuite/ver_test_10.sh: New file.
8057         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
8058         (check_DATA): Add ver_test_10.syms.
8059         (ver_test_10.syms, ver_test_10.so): New target.
8060         * testsuite/Makefile.in: Rebuild.
8061
8062 2008-07-23  Simon Baldwin  <simonb@google.com>
8063
8064         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
8065         to zero for undefined symbols from dynamic libraries.
8066
8067 2008-07-23  Ian Lance Taylor  <iant@google.com>
8068
8069         * symtab.cc (Symbol_table::resolve): Remove version parameter.
8070         Change all callers.
8071         * symtab.h (class Symbol_table): Update declaration.
8072         * testsuite/ver_test_9.cc: New file.
8073         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
8074         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
8075         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
8076         (ver_test_9.so, ver_test_9.o): New targets.
8077         * testsuite/Makefile.in: Rebuild.
8078
8079 2008-07-22  Ian Lance Taylor  <iant@google.com>
8080
8081         * options.h (class General_options): Define --check-sections.
8082         * layout.cc (Layout::set_segment_offsets): Handle
8083         --check-sections.
8084
8085         * options.h (class General_options): Define -n/--nmagic and
8086         -N/--omagic.
8087         * options.cc (General_options::finalize): For -n/--nmagic or
8088         -N/--omagic, set -static.
8089         * layout.cc (Layout::attach_allocated_section_to_segment): If
8090         -N/--omagic, don't put read-only and read-write sections in
8091         different segments.
8092         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
8093         finding a read-only segment.
8094         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
8095         don't set the minimum segment alignment to the common page size,
8096         and don't set the file offset to the address modulo the page size.
8097         * script-sections.cc (Script_sections::create_segments): If
8098         -n/--omagic, don't put read-only and read-write sections in
8099         different segments.
8100
8101         * cref.cc: New file.
8102         * cref.h: New file.
8103         * options.h (class General_options): Add --print-symbol-counts.
8104         * main.cc (main): Issue defined symbol report if requested.
8105         * archive.cc (Archive::interpret_header): Make into a const member
8106         function.
8107         (Archive::add_symbols): Call Input_objects::archive_start and
8108         archive_stop.
8109         (Archive::const_iterator): Define new class.
8110         (Archive::begin, Archive::end): New functions.
8111         (Archive::include_all_members): Rewrite to use iterator.
8112         (Archive::count_members): New function.
8113         * archive.h (class Archive): Update declarations.
8114         (Archive::filename): New function.
8115         * object.cc: Include "cref.h".
8116         (Sized_relobj::Sized_relobj): Initialize defined_count_.
8117         (Sized_relobj::do_get_global_symbol_counts): New function.
8118         (Input_objects::add_object): Add object to cross-referencer.
8119         (Input_objects::archive_start): New function.
8120         (Input_objects::archive_stop): New function.
8121         (Input_objects::print_symbol_counts): New function.
8122         * object.h: Declare Cref and Archive.
8123         (Object::get_global_symbol_counts): New function.
8124         (Object::do_get_global_symbol_counts): New pure virtual function.
8125         (class Sized_relobj): Add defined_count_ field.  Update
8126         declarations.
8127         (class Input_objects): Add cref_ field.  Update constructor.
8128         Update declarations.
8129         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
8130         defined_count_.
8131         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
8132         symbol counts.
8133         (Sized_dynobj::do_get_global_symbol_counts): New function.
8134         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
8135         defined_count_.  Update declarations.  Define Symbols typedef.
8136         * symtab.cc (Symbol_table::add_from_relobj): Add defined
8137         parameter.  Change all callers.
8138         (Symbol_table::add_from_dynobj): Add sympointers and defined
8139         parameters.  Change all callers.
8140         * symtab.h (class Symbol_table): Update declarations.
8141         * Makefile.am (CCFILES): Add cref.cc.
8142         (HFILES): Add cref.h.
8143         * Makefile.in: Rebuild.
8144
8145 2008-07-22  Simon Baldwin  <simonb@google.com>
8146
8147         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
8148         to zero when writing undefined symbols.
8149
8150 2008-07-22  Ian Lance Taylor  <iant@google.com>
8151
8152         * output.cc (Output_section::add_input_section): Don't try to
8153         merge empty merge sections.
8154
8155 2008-07-21  Craig Silverstein  <csilvers@google.com>
8156
8157         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8158         Include symbol version in error message.
8159
8160 2008-07-20  Chris Demetriou  <cgd@google.com>
8161
8162         * configure.ac (gold_cv_c_random_seed): New configured variable.
8163         (RANDOM_SEED_CFLAGS): New substituted variable.
8164         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
8165         * configure: Rebuild.
8166         * Makefile.in: Likewise.
8167         * testsuite/Makefile.in: Likewise.
8168
8169 2008-07-18  Ian Lance Taylor  <iant@google.com>
8170
8171         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
8172         where we see NAME/NULL and NAME/VERSION  as separate symbols.
8173         * testsuite/ver_test_main.cc (main): Call t4.
8174         (t4, t4_2a): Define.
8175         * testsuite/ver_test_2.cc (t4_2): Define.
8176         * testsuite/ver_test_2.script: Put t4_2a in VER2.
8177         * testsuite/ver_test_4.cc (t4_2a): Define.
8178         * testsuite/ver_test_4.script: Put t4_2a in VER2.
8179         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
8180
8181 2008-07-17  Ian Lance Taylor  <iant@google.com>
8182
8183         * dynobj.cc (Versions::add_def): If we give an error about a
8184         missing version, go ahead and create the version anyhow.
8185
8186 2008-07-10  Ian Lance Taylor  <iant@google.com>
8187
8188         Handle output sections with more than 0x7fffffff bytes.
8189         * object.h (class Relobj): Change map_to_output_ to
8190         output_sections_, and just keep a section pointer.  Change all
8191         uses.  Move comdat group support to Sized_relobj.
8192         (Relobj::is_section_specially_mapped): Remove.
8193         (Relobj::output_section): Remove poff parameter.  Change all
8194         callers.
8195         (Relobj::output_section_offset): New function.
8196         (Relobj::set_section_offset): Rewrite.
8197         (Relobj::map_to_output): Remove.
8198         (Relobj::output_sections): New function.
8199         (Relobj::do_output_section_offset): New pure virtual function.
8200         (Relobj::do_set_section_offset): Likewise.
8201         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8202         group support from Relobj.  Update declarations.
8203         (Sized_relobj::get_output_section_offset): New function.
8204         (Sized_relobj::do_output_section_offset): New function.
8205         (Sized_relobj::do_set_section_offset): New function.
8206         * object.cc (Relobj::output_section_address): Remove.
8207         (Sized_relobj::Sized_relobj): Initialize new fields.
8208         (Sized_relobj::include_section_group): Cast find_kept_object to
8209         Sized_relobj.
8210         (Sized_relobj::include_linkonce_section): Likewise.
8211         (Sized_relobj::do_layout): Use separate arrays for output section
8212         and output offset.
8213         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8214         output_sections.
8215         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8216         output_sections and section_offsets.
8217         (Sized_relobj::write_local_symbols): Likewise.
8218         (map_to_kept_section): Compute output address directly.
8219         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8220         output_sections and section_offsets.
8221         (Sized_relobj::write_sections): Likewise.
8222         (Sized_relobj::relocate_sections): Likewise.
8223         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8224         * output.h (class Output_reloc): Update declarations.  Change
8225         u2_.relobj to Sized_relobj*.
8226         (class Output_data_reloc): Change add functions to use
8227         Sized_relobj*.
8228         * output.cc (Output_reloc::Output_reloc): Change relobj to
8229         Sized_relobj*.
8230         (Output_reloc::local_section_offset): Change return type to
8231         Elf_Addr.  Use get_output_section_offset.
8232         (Output_reloc::get_address): Likewise.
8233         (Output_section::is_input_address_mapped): Don't call
8234         is_section_specially_mapped.
8235         (Output_section::output_offset): Likewise.
8236         (Output_section::output_address): Likewise.
8237         (Output_section::starting_output_address): Likewise.
8238         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8239         parameter to Sized_relobj*.
8240         (Copy_relocs::need_copy_reloc): Likewise.
8241         (Copy_relocs::save): Likewise.
8242         * copy-relocs.h (class Copy_relocs): Update declarations.
8243         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8244         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8245         * target-reloc.h (relocate_for_relocatable): Change
8246         offset_in_output_section type to Elf_Addr.  Change code that uses
8247         it as well.
8248         * layout.cc (Layout::layout): Always set *off.
8249         * mapfile.cc (Mapfile::print_input_section): Use
8250         output_section_offset.
8251         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8252         Sized_relobj*.
8253         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8254         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8255         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8256
8257 2008-07-03  Ian Lance Taylor  <iant@google.com>
8258
8259         * layout.cc (Layout::include_section): Do not discard unrecognized
8260         SHT_STRTAB sections.
8261
8262 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8263
8264         * script.cc (Lex::can_continue_name): Make '?' allowable in
8265         version-script names.
8266         * testsuite/version_script.map: Change glob pattern to use '?'
8267
8268 2008-06-30  Manish Singh  <yosh@gimp.org>
8269
8270         PR 6585
8271         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8272         Correct typo.
8273
8274 2008-06-30  Ian Lance Taylor  <iant@google.com>
8275
8276         PR 6660
8277         PR 6682
8278         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8279         versions]: Don't try to read the value in the contents, since we
8280         don't use it.  Use the template endianness when writing.
8281
8282 2008-06-25  Cary Coutant  <ccoutant@google.com>
8283
8284         * fileread.cc (File_read::make_view): Assert on zero-length view.
8285         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8286         symbol table when there are no symbols to read.
8287
8288 2008-06-23  Craig Silverstein  <csilvers@google.com>
8289
8290         * version.cc (version_string): Bump to 1.7
8291
8292 2008-06-18  Craig Silverstein  <csilvers@google.com>
8293
8294         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8295         constant 0xFFFF to type Valtype.
8296         (Powerpc_relocate_functions::rel16_ha): Likewise.
8297
8298 2008-06-17  Ian Lance Taylor  <iant@google.com>
8299
8300         * output.h (Output_section::Input_section): Initialize p2align_ to
8301         zero for Output_section_data constructors.
8302         (Output_section::Input_section::addralign): If not an input
8303         section, return the alignment of the Output_section_data.
8304         * testsuite/copy_test.cc: New file.
8305         * testsuite/copy_test_1.cc: New file.
8306         * testsuite/copy_test_2.cc: New file.
8307         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8308         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8309         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8310         (copy_test_1_pic.o, copy_test_1.so): New targets.
8311         (copy_test_2_pic.o, copy_test_2.so): New targets.
8312         * testsuite/Makefile.in: Rebuild.
8313
8314         * script-sections.cc (Script_sections::place_orphan): Initialize
8315         local variable exact.
8316
8317 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8318
8319         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8320
8321 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8322             David S. Miller  <davem@davemloft.net>
8323
8324         * powerpc.cc: New file.
8325         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8326         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8327         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8328         * Makefile.in: Rebuild.
8329
8330 2008-06-09  Ian Lance Taylor  <iant@google.com>
8331
8332         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8333         <exception>.
8334         (throwing, orig_terminate): New static variables.
8335         (terminate_handler): New static function.
8336         (t2): Set terminate handler.
8337
8338 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8339
8340         PR 6584
8341         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8342         alignment.
8343
8344 2008-05-30  Cary Coutant  <ccoutant@google.com>
8345
8346         * archive.cc (Archive::include_all_members) Correct to step
8347         over symbol table and extended name table in thin archives.
8348
8349 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8350
8351         PR 6407
8352         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8353         calculation.
8354
8355 2008-05-28  Caleb Howe  <cshowe@google.com>
8356
8357         * reduced_debug_output.cc: New file.
8358         * reduced_debug_output.h: New file.
8359         * options.h (class General_options): Add --strip-debug-non-line.
8360         * options.cc (General_options::finalize): Add strip_debug_non_line
8361         to the strip heirarchy.
8362         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8363         fields.
8364         * layout.cc: Include "reduced_debug_output.h".
8365         (Layout::Layout): Initialize new fields.
8366         (line_only_debug_sections): New static array.
8367         (is_lines_only_debug_sections): New static inline function.
8368         (Layout::include_section): Handle --strip-debug-non-line.
8369         (Layout::make_output_section): If --strip-debug-non-line, build
8370         new output sections for .debug_abbrev and .debug_info.
8371         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8372         gold.  Warn about possible overflow.
8373         (read_signed_LEB_128): Likewise.
8374         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8375         (read_signed_LEB_128): Declare.
8376         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8377         (HFILES): Add reduced_debug_output.h.
8378         * Makefile.in: Rebuild.
8379
8380 2008-05-21  Ian Lance Taylor  <iant@google.com>
8381
8382         * mapfile.cc: New file.
8383         * mapfile.h: New file.
8384         * options.h (class General_options): Add -M/--print-map and -Map.
8385         * options.cc (General_options::finalize): Make -M equivalent to
8386         -Map -.
8387         * main.cc: Include <cstdio> and "mapfile.h".
8388         (main): Open mapfile if requested.
8389         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8390         constructor.  Change caller.
8391         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8392         (queue_middle_tasks): Likewise.
8393         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8394         declarations.
8395         * archive.cc: Include "mapfile.h".
8396         (Archive::add_symbols): Add mapfile parameter.  Change all
8397         callers.  Pass mapfile, symbol, and reason to include_member.
8398         (Archive::include_all_members): Add mapfile parameter.  Change all
8399         callers.
8400         (Archive::include_member): Add mapfile, sym, and why parameters.
8401         Change all callers.  Report inclusion to map file.
8402         * archive.h: Include "fileread.h".
8403         (class Archive): Update declarations.
8404         (Archive::file): New const method.
8405         (class Add_archive_symbols): Add mapfile_ field.  Update
8406         constructor.  Change all callers.
8407         * readsyms.h (class Read_symbols): Likewise.
8408         (class Finish_group): Likewise.
8409         (class Read_script): Likewise.
8410         * common.cc: Include "mapfile.h".
8411         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8412         all callers.
8413         (Symbol_table::do_allocate_commons): Likewise.
8414         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8415         symbol allocation to mapfile.
8416         * common.h (class Allocate_commons_task): Add mapfile_ field.
8417         Update constructor.  Change all callers.
8418         * symtab.h (class Symbol_table): Update declarations.
8419         * layout.cc: Include "mapfile.h".
8420         (Layout_task_runner::run): Print information to mapfile.
8421         (Layout::create_gold_note): Change Output_data_fixed_space to
8422         Output_data_zero_fill.
8423         (Layout::create_build_id): Likewise.
8424         (Layout::print_to_mapfile): New function.
8425         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8426         constructor.  Change caller.
8427         (class Layout): Declare print_to_mapfile.
8428         * output.cc (Output_section::Input_section::print_to_mapfile): New
8429         function.
8430         (Output_section::add_input_section): If producing a map, always
8431         add to input_sections_ list.
8432         (Output_section::do_print_to_mapfile): New function.
8433         (Output_segment::print_sections_to_mapfile): New function.
8434         (Output_segment::print_section_list_to_mapfile): New function.
8435         * output.h: Include "mapfile.h".
8436         (Output_data::print_to_mapfile): New function.
8437         (Output_data::do_print_to_mapfile): New virtual function.
8438         (Output_segment_headers::do_print_to_mapfile): New function.
8439         (Output_file_header::do_print_to_mapfile): New function.
8440         (Output_data_const::do_print_to_mapfile): New function.
8441         (class Output_data_const_buffer): Add map_name_ field.  Update
8442         constructor.  Change all callers.  Add do_print_to_mapfile
8443         function.
8444         (class Output_data_fixed_space): Likewise.
8445         (class Output_data_space): Likewise.
8446         (class Output_data_zero_fill): New class.
8447         (Output_data_strtab::do_print_to_mapfile): New function.
8448         (Output_data_reloc_base::do_print_to_mapfile): New function.
8449         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8450         (Output_data_group::do_print_to_mapfile): New function.
8451         (Output_data_got::do_print_to_mapfile): New function.
8452         (Output_data_dynamic::do_print_to_mapfile): New function.
8453         (Output_symtab_xindex::do_print_to_mapfile): New function.
8454         (class Output_section): Declare do_print_to_mapflie.  Declare
8455         print_to_mapfile in Input_section.
8456         (class Output_segment): Declare new functions.
8457         * object.h (Sized_relobj::symbol_count): New function.
8458         * script-sections.cc
8459         (Output_section_element_dot_assignment::set_section_addresses):
8460         Change Output_data_fixed_space to Output_data_zero_fill.
8461         (Output_data_expression::do_print_to_mapfile): New function.
8462         * script.cc (read_input_script): Add mapfile parameter.  Change
8463         all callers.
8464         * script.h (read_input_script): Update declaration.
8465         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8466         (Eh_frame::do_print_to_mapfile): New function.
8467         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8468         (Output_merge_string::do_print_to_mapfile): New function.
8469         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8470         function.
8471         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8472         function.
8473         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8474         function.
8475         * Makefile.am (CCFILES): Add mapfile.cc.
8476         (HFILES): Add mapfile.h.
8477         * Makefile.in: Rebuild.
8478
8479 2008-05-19  Ian Lance Taylor  <iant@google.com>
8480
8481         * options.h (class General_options): Add -z relro.
8482         * layout.cc (Layout::Layout): Initialize relro_segment_.
8483         (Layout::add_output_section_data): Return the output section.
8484         (Layout::make_output_section): Rcognize relro sections and mark
8485         them appropriately.
8486         (Layout::attach_allocated_section_to_segment): Put relro sections
8487         in a PT_GNU_RELRO segment.
8488         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8489         section as relro.
8490         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8491         PT_TLS segments.
8492         (Layout::linkonce_mapping): Map d.rel.ro.local to
8493         .data.rel.ro.local.
8494         (Layout::output_section_name): Us .data.rel.ro.local for any
8495         section which begins with that.
8496         * layout.h (class Layout): Update add_output_section_data
8497         declaration.  Add relro_segment_ field.
8498         * output.cc (Output_section::Output_section): Initialize is_relro_
8499         and is_relro_local_ fields.
8500         (Output_segment::add_output_section): Group relro sections.
8501         (Output_segment::is_first_section_relro): New function.
8502         (Output_segment::maximum_alignment): If there is a relro section,
8503         align the segment to the common page size.
8504         (Output_segment::set_section_addresses): Track whether we are
8505         looking at relro sections.  If the last section is a relro
8506         section, align to the common page size.
8507         (Output_segment::set_section_list_addresses): Add in_relro
8508         parameter.  Change all callers.  Align to the page size when
8509         moving from relro to non-relro section.
8510         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8511         segment.
8512         * output.h (class Output_section): Add is_relro_ and
8513         is_relro_local_ fields.
8514         (Output_section::is_relro): New function.
8515         (Output_section::set_is_relro): New function.
8516         (Output_section::is_relro_local): New function.
8517         (Output_section::set_is_relro_local): New function.
8518         (class Output_segment): Update declarations.
8519         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8520         * sparc.cc (Target_sparc::got_section): Likewise.
8521         * x86_64.cc (Target_x86_64::got_section): Likewise.
8522         * testsuite/relro_test_main.cc: New file.
8523         * testsuite/relro_test.cc: New file.
8524         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8525         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8526         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8527         (relro_test.so, relro_test_pic.o): New targets.
8528         * testsuite/Makefile.in: Rebuild.
8529
8530 2008-05-16  Ian Lance Taylor  <iant@google.com>
8531
8532         * output.cc (Output_segment::add_output_section): Remove front
8533         parameter.
8534         * output.h (class Output_segment): Remove
8535         add_initial_output_section and overloaded add_output_section.
8536         Update declaration of remaining add_output_section.
8537         * layout.cc (Layout::create_interp): Call add_output_section
8538         rather than add_initial_output_section.
8539         (Layout::finish_dynamic_section): Likewise.
8540
8541         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8542         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8543         know the dynamic type.
8544         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8545         field.  Initialize it in constructor.
8546         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8547         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8548         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8549         reloc.
8550
8551         * output.cc (Output_reloc::get_address): Change return type to
8552         Elf_Addr.
8553         * output.h (class Output_reloc): Update get_address declaration.
8554         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8555         for section addresses.
8556
8557 2008-05-09  Ian Lance Taylor  <iant@google.com>
8558
8559         PR 6493
8560         * gold.cc (gold_nomem): Use return value of write.
8561
8562 2008-05-08  Ian Lance Taylor  <iant@google.com>
8563
8564         * symtab.c (Symbol::init_base_output_data): Add version
8565         parameter.  Change all callers.
8566         (Symbol::init_base_output_segment): Likewise.
8567         (Symbol::init_base_constant): Likewise.
8568         (Symbol::init_base_undefined): Likewise.
8569         (Sized_symbol::init_output_data): Likewise.
8570         (Sized_symbol::init_output_segment): Likewise.
8571         (Sized_symbol::init_constant): Likewise.
8572         (Sized_symbol::init_undefined): Likewise.
8573         (Symbol_table::do_define_in_output_data): If the new symbol has a
8574         version, mark it as the default.
8575         (Symbol_table::do_define_in_output_segment): Likewise.
8576         (Symbol_table::do_define_as_constant): Likewise.
8577         * symtab.h (class Symbol): Update declarations.
8578         (class Sized_symbol): Likewise.
8579         * resolve.cc (Symbol::override_version): New function.
8580         (Symbol::override_base): Call override_version.
8581         (Symbol::override_base_with_special): Likewise.
8582         * testsuite/ver_script_8.script: New file.
8583         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8584         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8585         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8586         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8587
8588 2008-05-06  Ian Lance Taylor  <iant@google.com>
8589
8590         PR 6049
8591         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8592         functions.
8593         (class General_options): Remove existing --undefined, and add
8594         --no-undefined instead.  Add new --undefined as synonym for -u.
8595         * archive.cc (Archive::add_symbols): Check whether symbol was
8596         named with -u.
8597         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8598         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8599         all uses.  Add IS_UNDEFINED.  Update declarations to split
8600         different versions of init_base.  Declare init_base_undefined.
8601         (Symbol::is_defined): Handle IS_UNDEFINED.
8602         (Symbol::is_undefined): Likewise.
8603         (Symbol::is_weak_undefined): Call is_undefined.
8604         (Symbol::is_absolute): Handle IS_CONSTANT.
8605         (class Sized_symbol): Update declarations to split different
8606         versions of init.  Declare init_undefined.
8607         (class Symbol_table): Declare new functions.
8608         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8609         Change all callers.
8610         (Symbol::init_base_output_data): Likewise.
8611         (Symbol::init_base_output_segment): Likewise.
8612         (Symbol::init_base_constant): Likewise.
8613         (Symbol::init_base_undefined): New function.
8614         (Sized_symbol::init_object): Rename from init.  Change all
8615         callers.
8616         (Sized_symbol::init_output_data): Likewise.
8617         (Sized_symbol::init_output_segment): Likewise.
8618         (Sized_symbol::init_constant): Likewise.
8619         (Sized_symbol::init_undefined): New function.
8620         (Symbol_table::add_undefined_symbols_from_command_line): New
8621         function.
8622         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8623         function.
8624         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8625         (Symbol::output_section): Likewise.
8626         (Symbol::set_output_section): Likewise.
8627         (Symbol_table::sized_finalize_symbol): Likewise.
8628         (Symbol_table::sized_write_globals): Likewise.
8629         * resolve.cc (Symbol_table::should_override): Likewise.
8630         (Symbol::override_base_with_special): Likewise.
8631
8632         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8633         symbol, change it to have default visibility.
8634         * testsuite/protected_1.cc: New file.
8635         * testsuite/protected_2.cc: New file.
8636         * testsuite/protected_3.cc: New file.
8637         * testsuite/protected_main_1.cc: New file.
8638         * testsuite/protected_main_2.cc: New file.
8639         * testsuite/protected_main_3.cc: New file.
8640         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8641         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8642         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8643         (protected_1.so): New target.
8644         (protected_1_pic.o, protected_2_pic.o): New targets.
8645         (protected_3_pic.o): New target.
8646         (check_PROGRAMS): Add protected_2.
8647         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8648         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8649         * testsuite/Makefile.in: Rebuild.
8650
8651         * options.h (DEFINE_var): Add set_user_set_##varname__.
8652         (DEFINE_bool_alias): New macro.
8653         (class General_options): Define -Bstatic using DEFINE_bool_alias
8654         rather than DEFINE_special.  Add --undefined as an alias for -z
8655         defs.
8656         * options.cc (General_options::parse_Bstatic): Remove.
8657
8658         * options.h (class General_options): Add --fatal-warnings.
8659         * main.cc (main): Implement --fatal-warnings.
8660         * errors.h (Errors::warning_count): New function.
8661
8662         * options.h (class General_options): Add -Bsymbolic-functions.
8663         * symtab.h (Symbol::is_preemptible): Check for
8664         -Bsymbolic-functions.
8665
8666 2008-05-05  Ian Lance Taylor  <iant@google.com>
8667
8668         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8669         as noVARNAME rather than no-VARNAME.
8670         (class General_options): Add option -z combreloc.
8671         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8672         get_address.
8673         (Output_reloc::sort_before) [SHT_REL]: New function.
8674         (Output_reloc::sort_before) [SHT_RELA]: New function.
8675         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8676         Sort_relocs_comparison.
8677         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8678         parameter.  Change all callers.
8679         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8680         sort_relocs parameter.  Change all callers.
8681         * output.cc (Output_reloc::get_address): New function, broken out
8682         of write_rel.
8683         (Output_reloc::write_rel): Call it.
8684         (Output_reloc::compare): New function.
8685         (Output_data_reloc_base::do_write): Optionally sort relocs.
8686
8687         * configure.ac: If targ_extra_obj is set, link it in.
8688         * configure.tgt: Initialize all variables.
8689         (x86_64*): Set targ_extra_obj and targ_extra_size.
8690         * configure: Rebuild.
8691
8692         * object.cc (Sized_relobj::include_section_group): Adjust section
8693         indexes read from group data.  Build vector to pass to
8694         layout_group.
8695         * layout.cc (Layout::layout_group): Add flags and shndxes
8696         parameters.  Remove contents parameter.  Change caller.  Update
8697         explicit instantiations.
8698         * layout.h (class Layout): Update layout_group declaration.
8699         * output.cc (Output_data_group::Output_data_group): Add flags and
8700         input_shndxes parameters.  Remove contents parameter.  Change
8701         caller.
8702         (Output_data_group::do_write): Change input_sections_ to
8703         input_shndxes_.
8704         * output.h (class Output_data_group): Update constructor
8705         declaration.  Rename input_sections_ to input_shndxes_.
8706         * testsuite/many_sections_test.cc: Add template.
8707
8708 2008-04-30  Cary Coutant  <ccoutant@google.com>
8709
8710         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8711
8712         * layout.cc (Layout::include_section): Refactored check for debug
8713         info section.
8714         (Layout::add_comdat): Add new parameters.  Change type
8715         of signature parameter.  Add object and shndx to signatures table.
8716         (Layout::find_kept_object): New function.
8717         * layout.h: Include <cstring>.
8718         (Layout::is_debug_info_section): New function.
8719         (Layout::add_comdat): Add new parameters.
8720         (Layout::find_kept_object): New function.
8721         (Layout::Kept_section): New struct.
8722         (Layout::Signatures): Change type of map range.
8723         * object.cc (Relobj::output_section_address): New function.
8724         (Sized_relobj::include_section_group): Add new parameters.  Change
8725         calls to Layout::add_comdat.  Change to build table of kept comdat
8726         groups and table mapping discarded sections to kept sections.
8727         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8728         (Sized_relobj::do_layout): Change calls to include_section_group and
8729         include_linkonce_section.
8730         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8731         value to zero when section is discarded.
8732         (Sized_relobj::map_to_kept_section): New function.
8733         * object.h (Relobj::output_section_address): New function.
8734         (Relobj::Comdat_group): New type.
8735         (Relobj::find_comdat_group): New function.
8736         (Relobj::Comdat_group_table): New type.
8737         (Relobj::Kept_comdat_section): New type.
8738         (Relobj::Kept_comdat_section_table): New type.
8739         (Relobj::add_comdat_group): New function.
8740         (Relobj::set_kept_comdat_section): New function.
8741         (Relobj::get_kept_comdat_section): New function.
8742         (Relobj::comdat_groups_): New field.
8743         (Relobj::kept_comdat_sections_): New field.
8744         (Symbol_value::input_value): Update comment.
8745         (Sized_relobj::map_to_kept_section) New function.
8746         (Sized_relobj::include_linkonce_section): Add new parameter.
8747         * target-reloc.h (Comdat_behavior): New type.
8748         (get_comdat_behavior): New function.
8749         (relocate_section): Add code to map a discarded section to the
8750         corresponding kept section when applying a relocation.
8751
8752 2008-04-30  Craig Silverstein  <csilvers@google.com>
8753
8754         * dwarf_reader.cc (next_generation_count): New static var.
8755         (Addr2line_cache_entry): New struct.
8756         (addr2line_cache): New static var.
8757         (Dwarf_line_info::one_addr2line): Added caching.
8758         (Dwarf_line_info::clear_addr2line_cache): New function.
8759         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8760         cache-size parameter.
8761         (Dwarf_line_info::one_addr2line_cache): New function.
8762         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8763         new cache-size argument to one_addr2line(), and clear cache.
8764
8765 2008-04-28  Cary Coutant  <ccoutant@google.com>
8766
8767         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8768         R_386_PC8 relocations.
8769
8770 2008-04-23  Ian Lance Taylor  <iant@google.com>
8771
8772         * object.cc (Sized_relobj::include_section_group): Check for
8773         invalid section group.
8774
8775         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8776         header size.
8777
8778         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8779         than read for file header.
8780         * archive.cc (Archive::include_member): Likewise.
8781
8782 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8783
8784         * aclocal.m4: Regenerate.
8785         * configure: Regenerate.
8786
8787 2008-04-19  Ian Lance Taylor  <iant@google.com>
8788
8789         * version.cc (version_string): Bump to 1.6.
8790
8791         * testsuite/Makefile.am (many_sections_r_test): New target.
8792         (many_sections_r_test_SOURCES): Remove.
8793         (many_sections_r_test_DEPENDENCIES): Remove.
8794         (many_sections_r_test_LDFLAGS): Remove.
8795         (many_sections_r_test_LDADD): Remove.
8796
8797         * object.cc (Sized_relobj::do_add_symbols): Always pass
8798         local_symbol_count_ to add_from_relobj.
8799
8800         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8801         every thousand variables.
8802         * testsuite/Makefile.in: Rebuild.
8803
8804         * object.cc (Xindex::initialize_symtab_xindex): New function.
8805         (Xindex::read_symtab_xindex): New function.
8806         (Xindex::sym_xindex_to_shndx): New function.
8807         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8808         available.
8809         (Sized_relobj::do_initialize_xindex): New function.
8810         (Sized_relobj::do_read_symbols): Adjust section links.
8811         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8812         parameter.  Change all callers.
8813         (Sized_relobj::include_section_group): Adjust section links and
8814         symbol section indexes.
8815         (Sized_relobj::do_layout): Adjust section links.
8816         (Sized_relobj::do_count_local_symbols): Adjust section links and
8817         symbol section indexes.
8818         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8819         ordinary and special symbols.
8820         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8821         dynsym_xindex parameters.  Change all callers.  Adjust section
8822         links.  Use SHN_XINDEX when needed.
8823         (Sized_relobj::get_symbol_location_info): Adjust section links.
8824         Don't get fooled by special symbols.
8825         * object.h (class Xindex): Define.
8826         (class Object): Add xindex_ parameter.  Declare virtual functoin
8827         do_initialize_xindex.
8828         (Object::adjust_sym_shndx): New function.
8829         (Object::set_xindex): New protected function.
8830         (class Symbol_value): Add is_ordinary_shndx_ field.
8831         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8832         (Symbol_value::value): Assert ordinary section.
8833         (Symbol_value::initialize_input_to_output_map): Likewise.
8834         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8835         Change all callers.
8836         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8837         all callers.
8838         (class Sized_relobj): Update declarations.
8839         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8840         parameter.  Change all callers.
8841         (Sized_relobj::adjust_shndx): New function.
8842         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8843         field.
8844         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8845         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8846         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8847         (Sized_dynobj::read_dynsym_section): Adjust section links.
8848         (Sized_dynobj::read_dynamic): Likewise.
8849         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8850         section links.
8851         (Sized_dynobj::do_initialize_xindex): New function.
8852         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8853         do_initialize_xindex.
8854         (Sized_dynobj::adjust_shndx): New function.
8855         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8856         dynsym_xindex_ fields.
8857         (Layout::finalize): Add a call to set_section_indexes before
8858         creating the symtab sections.
8859         (Layout::set_section_indexes): Don't do anything if the section
8860         already has a section index.
8861         (Layout::create_symtab_sections): Add shnum parameter.  Change
8862         caller.  Create .symtab_shndx section if needed.
8863         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8864         caller.
8865         (Layout::allocated_output_section_count): New function.
8866         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8867         needed.
8868         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8869         fields.  Update declarations.
8870         (Layout::symtab_xindex): New function.
8871         (Layout::dynsym_xindex): New function.
8872         (class Write_symbols_task): Add layout_ field.
8873         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8874         Change caller.
8875         * output.cc (Output_section_headers::Output_section_headers): Add
8876         shstrtab_section parameter.  Change all callers.
8877         (Output_section_headers::do_sized_write): Store overflow values
8878         for section count and section string table section index in
8879         section header zero.
8880         (Output_file_header::do_sized_write): Check for overflow of
8881         section count and section string table section index.
8882         (Output_symtab_xindex::do_write): New function.
8883         (Output_symtab_xindex::endian_do_write): New function.
8884         * output.h (class Output_section_headers): Add shstrtab_section_.
8885         Update declarations.
8886         (class Output_symtab_xindex): Define.
8887         (Output_section::has_out_shndx): New function.
8888         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8889         field.
8890         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8891         Change all callers.
8892         (Sized_symbol::init): Likewise.
8893         (Symbol::output_section): Check for ordinary symbol.
8894         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8895         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8896         callers.
8897         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8898         Change all callers.  Simplify handling of symbols from sections
8899         not included in the link.
8900         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8901         distinction.
8902         (Weak_alias_sorter::operator()): Assert that symbols are
8903         ordinary.
8904         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8905         distinction.
8906         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8907         parameters.  Change all callers.
8908         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8909         symbol distinction.  Use SHN_XINDEX when needed.
8910         (Symbol_table::write_section_symbol): Add symtab_xindex
8911         parameter.  Change all callers.
8912         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8913         SHN_XINDEX when needed.
8914         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8915         declarations.
8916         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8917         (Symbol::is_defined): Check is_ordinary.
8918         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8919         (Symbol::is_absolute, Symbol::is_common): Likewise.
8920         (class Sized_symbol): Update declarations.
8921         (class Symbol_table): Update declarations.
8922         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8923         parameters.  Change all callers.
8924         (Sized_symbol::override): Likewise.
8925         (Symbol_table::override): Likewise.
8926         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8927         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8928         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8929         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8930         to be in an ordinary section.
8931         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8932         object and is_ordinary parameters.  Change all callers.
8933         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8934         Change all callers.  Don't add undefined or non-ordinary symbols
8935         to reloc_map_.
8936         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8937         Change all callers.
8938         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8939         declarations.
8940         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8941         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8942         (Sized_relobj::relocate_sections): Likewise.
8943         * target-reloc.h (scan_relocs): Adjust section symbol index.
8944         (scan_relocatable_relocs): Likewise.
8945         * i386.cc (Scan::local): Check for ordinary symbols.
8946         * sparc.cc (Scan::local): Likewise.
8947         * x86_64.cc (Scan::local): Likewise.
8948         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8949         to symbol_section_and_value.
8950         * testsuite/many_sections_test.cc: New file.
8951         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8952         (check_PROGRAMS): Add many_sections_test.
8953         (many_sections_test_SOURCES): Define.
8954         (many_sections_test_DEPENDENCIES): Define.
8955         (many_sections_test_LDFLAGS): Define.
8956         (BUILT_SOURCES): Add many_sections_define.h.
8957         (many_sections_define.h): New target.
8958         (BUILT_SOURCES): Add many_sections_check.h.
8959         (many_sections_check.h): New target.
8960         (check_PROGRAMS): Add many_sections_r_test.
8961         (many_sections_r_test_SOURCES): Define.
8962         (many_sections_r_test_DEPENDENCIES): Define.
8963         (many_sections_r_test_LDFLAGS): Define.
8964         (many_sections_r_test_LDADD): Define.
8965         (many_sections_r_test.o): New target.
8966         * testsuite/Makefile.in: Rebuild.
8967
8968 2008-04-17  Cary Coutant  <ccoutant@google.com>
8969
8970         * errors.cc (Errors::info): New function.
8971         (gold_info): New function.
8972         * errors.h (Errors::info): New function.
8973         * gold.h (gold_info): New function.
8974         * object.cc (Input_objects::add_object): Print trace output.
8975         * options.cc (options::parse_set): New function.
8976         (General_options::parse_wrap): Deleted.
8977         (General_options::General_options): Deleted initializer.
8978         * options.h (options::String_set): New typedef.
8979         (options::parse_set): New function.
8980         (DEFINE_set): New macro.
8981         (General_options::wrap): Changed to use DEFINE_set. Changed
8982         callers of any_wrap_symbols and is_wrap_symbol.
8983         (General_options::trace, General_options::trace_symbol):
8984         New options.
8985         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8986         (General_options::wrap_symbols_): Deleted.
8987         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8988
8989 2008-04-17  David S. Miller  <davem@davemloft.net>
8990
8991         * options.cc (General_options::parse_V): New function.
8992         * options.h: Add entries for -V and -Qy.
8993
8994 2008-04-17  Ian Lance Taylor  <iant@google.com>
8995
8996         * common.cc (Symbol_table::allocate_commons): Remove options
8997         parameter.  Change caller.
8998         (Symbol_table::do_allocate_commons): Remove options parameter.
8999         Change caller.  Just call do_allocate_commons_list twice.
9000         (Symbol_table::do_allocate_commons_list): New function, broken out
9001         of do_allocate_commons.
9002         * common.h (class Allocate_commons_task): Remove options_ field.
9003         Update constructor.
9004         * symtab.cc (Symbol_table::Symbol_table): Initialize
9005         tls_commons_.
9006         (Symbol_table::add_from_object): Put TLS common symbols on
9007         tls_commons_ list.
9008         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
9009         which are IN_OUTPUT_DATA.
9010         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
9011         allocate_commons and do_allocate_commons declarations.  Declare
9012         do_allocate_commons_list.
9013         * gold.cc (queue_middle_tasks): Update creation of
9014         Allocate_commons_task to not pass options.
9015         * testsuite/Makefile.am (INCLUDES): Add -I.. .
9016         (TLS_TEST_C_FLAGS): New variable.
9017         (tls_test_c_pic.o): New target.
9018         (tls_test_shared.so): Link in tls_test_c_pic.o.
9019         (tls_test_c_pic_ie.o): New target.
9020         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
9021         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
9022         (tls_test_c.o): New target.
9023         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
9024         (tls_pic_test_LDADD): Likewise.
9025         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
9026         (tls_shared_gd_to_ie_test_LDADD): Likewise.
9027         (tls_test_c_gnu2.o): New target.
9028         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
9029         tls_test_c_gnu2.o.
9030         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
9031         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
9032         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
9033         * testsuite/tls_test.cc: Include "config.h".
9034         (t_last): Call t11_last.
9035         * testsuite/tls_test.h (t11, t11_last): Declare.
9036         * testsuite/tls_test_c.c: New file.
9037         * testsuite/tls_test_main.cc (thread_routine): Call t11.
9038         * configure.ac: Check for OpenMP support.
9039         * configure, config.in, Makefile.in: Rebuild.
9040         * testsuite/Makefile.in: Rebuild.
9041
9042 2008-04-16  Cary Coutant  <ccoutant@google.com>
9043
9044         * i386.cc (Target_i386::define_tls_base_symbol): New function.
9045         (Target_i386::tls_base_symbol_defined_): New field.
9046         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9047         (Target_i386::Scan::global): Likewise.
9048         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
9049         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
9050         (Target_x86_64::tls_base_symbol_defined_): New field.
9051         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9052         (Target_x86_64::Scan::global): Likewise.
9053
9054 2008-04-16  Cary Coutant  <ccoutant@google.com>
9055
9056         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
9057         (Symbol::needs_plt_entry): Allow weak undefined symbols.
9058         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
9059         building shared libraries.
9060         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
9061         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
9062         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
9063         * testsuite/Makefile.in: Rebuild.
9064         * testsuite/weak_undef.h: New file.
9065         * testsuite/weak_undef_file1.cc: Add extra test cases.
9066         * testsuite/weak_undef_file2.cc: Likewise.
9067         * testsuite/weak_undef_test.cc: Likewise.
9068
9069 2008-04-16  David S. Miller  <davem@davemloft.net>
9070
9071         * sparc.cc (Target_sparc::Scan): Change from struct to class.
9072         Add issued_non_pic_error_ field.  Declare check_non_pic.
9073         (Target_sparc::Scan::check_non_pic): New function.
9074         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
9075         (Target_sparc::Scan::global): Likewise.
9076
9077         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
9078         * configure: Rebuild.
9079
9080         * options.h (DEFINE_enable): New macro.
9081         (new_dtags): New enable option.
9082         (initfirst, interpose, loadfltr, nodefaultlib,
9083         nodelete, nodlopen, nodump): New -z options.
9084         * layout.cc (Layout:finish_dynamic_section): If new
9085         dtags enabled, emit DT_RUNPATH.  Also, emit a
9086         DT_FLAGS_1 containing any specified -z flags.
9087
9088 2008-04-16  Ian Lance Taylor  <iant@google.com>
9089
9090         * copy-relocs.cc: New file.
9091         * copy-relocs.h: New file.
9092         * reloc.cc: Remove Copy_relocs code.
9093         * reloc.h: Likewise.
9094         * reloc-types.h (struct Reloc_types) [both versions]: Add
9095         get_reloc_addend_noerror.
9096         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
9097         variants of add_global which take an addend which must be zero.
9098         * i386.cc: Include "copy-relocs.h".
9099         (class Target_i386): Change type of copy_relocs_ to variable,
9100         update initializer.
9101         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
9102         Change all callers.
9103         (Target_i386::do_finalize_sections): Change handling of
9104         copy_relocs_.
9105         * sparc.cc: Include "copy-relocs.h".
9106         (class Target_sparc): Change type of copy_relocs_ to variable,
9107         update initializer.
9108         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
9109         Change all callers.
9110         (Target_sparc::do_finalize_sections): Change handling of
9111         copy_relocs_.
9112         * x86_64.cc: Include "copy-relocs.h".
9113         (class Target_x86_64): Change type of copy_relocs_ to variable,
9114         update initializer.
9115         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
9116         class.  Change all callers.
9117         (Target_x86_64::do_finalize_sections): Change handling of
9118         copy_relocs_.
9119         * Makefile.am (CCFILES): Add copy-relocs.cc.
9120         (HFILES): Add copy-relocs.h.
9121
9122         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
9123
9124         * testsuite/script_test_4.sh: Permit leading zeroes.
9125
9126 2008-04-15  Ian Lance Taylor  <iant@google.com>
9127
9128         * script-sections.cc (Script_sections::create_segments): Use
9129         header_size_adjustment even when there is enough room for the
9130         headers.
9131         * testsuite/script_test_4.sh: New file.
9132         * testsuite/script_test_4.t: New file.
9133         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
9134         (check_DATA): Add script_test_4.stdout.
9135         (MOSTLYCLEANFILES): Likewise.
9136         (script_test_4): New target.
9137         (script_test_4.stdout): New target.
9138         * testsuite/Makefile.in: Rebuild.
9139
9140         * sparc.cc: Add definitions for Output_data_plt_sparc class
9141         constants.
9142
9143 2008-04-14  David S. Miller  <davem@davemloft.net>
9144
9145         * sparc.cc: New file.
9146         * Makefile.am (TARGETSOURCES): Add sparc.cc
9147         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
9148         * configure.tgt: Document targ_extra_size and
9149         targ_extra_big_endian.  Add entries for sparc-* and
9150         sparc64-*.
9151         * configure.ac: Handle targ_extra_size and
9152         targ_extra_big_endian.
9153         * Makefile.in: Rebuild.
9154         * configure: Likewise.
9155         * po/POTFILES.in: Likewise.
9156         * po/gold.pot: Likewise.
9157
9158 2008-04-14  Ian Lance Taylor  <iant@google.com>
9159
9160         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
9161         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
9162         in the name/type/flags to section mapping.  Don't call
9163         allocate_output_section.
9164         (Layout::choose_output_section): Change parameter from adjust_name
9165         to is_input_section.  Don't permit input sections after sections
9166         are attached to segments.  Don't call allocate_output_section.
9167         (Layout::layout_eh_frame): Call update_flags_for_input_section,
9168         not write_enable_output_section.
9169         (Layout::make_output_section): Don't push to
9170         unattached_section_list_ nor call attach_to_segment.  Call
9171         attach_section_to_segment if sections are attached.
9172         (Layout::attach_sections_to_segments): New function.
9173         (Layout::attach_section_to_segment): New function.
9174         (Layout::attach_allocated_section_to_segment): Rename from
9175         attach_to_segment.  Remove flags parameter.
9176         (Layout::allocate_output_section): Remove function.
9177         (Layout::write_enable_output_section): Remove function.
9178         * layout.h (class Layout): Update for above changes.  Add new
9179         field sections_are_attached_.
9180         * output.h (Output_section::update_flags_for_input_section): New
9181         function.
9182         * output.cc (Output_section::add_input_section): Call
9183         update_flags_for_input_section.
9184         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
9185
9186 2008-04-11  Cary Coutant  <ccoutant@google.com>
9187
9188         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
9189         thought unnecessary.
9190         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
9191
9192 2008-04-11  Ian Lance Taylor  <iant@google.com>
9193
9194         * output.h (class Output_section_data): Remove inline definition
9195         of set_addralign.
9196         * output.cc (Output_section_data::set_addralign): New function.
9197
9198 2008-04-11  Cary Coutant  <ccoutant@google.com>
9199
9200         Add support for TLS descriptors for i386 and x86_64.
9201         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9202         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9203         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9204         GOT_TYPE_TLS_DESC.
9205         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9206         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9207         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9208         relocations.
9209         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9210         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9211         Fix problem with initial-exec relocations.
9212         (Target_i386::Relocate::relocate_tls): Likewise.
9213         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9214         relaxation.
9215         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9216         support for section-plus-offset dynamic table entries.
9217         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9218         (Output_data_dynamic::Dynamic_entry): Add support for
9219         section-plus-offset dynamic table entries.
9220         (Output_data_dynamic::Classification): Likewise.
9221         (Output_data_dynamic::classification_): Renamed offset_.
9222         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9223         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9224         (Target_x86_64::make_plt_section): New function.
9225         (Target_x86_64::reserve_tlsdesc_entries): New function.
9226         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9227         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9228         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9229         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9230         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9231         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9232         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9233         add extra PLT entry for TLS descriptors.
9234         (Output_data_plt_x86_64::got_): New field.
9235         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9236         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9237         fields.
9238         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9239         descriptors.
9240         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9241         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9242         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9243         R_386_TLS_DESC_CALL relocations.
9244         (Target_x86_64::Scan::global): Likewise.
9245         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9246         for TLS descriptors.
9247         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9248         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9249         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9250         GD-to-IE relaxation.
9251         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9252         and TLS_DESCRIPTORS.
9253         * Makefile.in: Rebuild.
9254         * configure: Rebuild.
9255         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9256         (tls_test_shared2.so): New target.
9257         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9258         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9259         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9260         (tls_shared_gd_to_ie_test_LDADD): New variable.
9261         (tls_shared_gnu2_gd_to_ie_test): New target.
9262         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9263         New targets.
9264         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9265         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9266         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9267         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9268         (tls_shared_gnu2_test): New target.
9269         (tls_test_gnu2_shared.so): New target.
9270         (tls_shared_gnu2_test_SOURCES): New variable.
9271         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9272         (tls_shared_gnu2_test_LDFLAGS): New variable.
9273         (tls_shared_gnu2_test_LDADD): New variable.
9274         * testsuite/Makefile.in: Rebuild.
9275         * testsuite/Makefile.
9276
9277 2008-04-11  Ian Lance Taylor  <iant@google.com>
9278
9279         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9280         justsyms.t.
9281         * testsuite/Makefile.in: Rebuild.
9282
9283         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9284         long.
9285         * testsuite/script_test_2.cc (main): Adjust test.
9286
9287 2008-04-11  David S. Miller  <davem@davemloft.net>
9288             Ian Lance Taylor  <iant@google.com>
9289
9290         * options.h (General_options): Add entries for '-Y' and
9291         '-relax'.
9292         * options.cc (General_options:finalize): If -Y was used, add those
9293         entries to the library path instead of the default "/lib" and
9294         "/usr/lib".
9295
9296 2008-04-11  David S. Miller  <davem@davemloft.net>
9297
9298         * testsuite/justsyms.t: Start at 0x100.
9299         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9300         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9301         long.
9302         * testsuite/script_test_2.cc: Adjust string and section length
9303         checks.
9304
9305 2008-04-09  Ian Lance Taylor  <iant@google.com>
9306
9307         PR gold/5996
9308         * script-sections.cc (Sections_element::allocate_to_segment): Add
9309         orphan parameter.
9310         (Output_section_definition::allocate_to_segment): Likewise.
9311         (Orphan_output_section::allocate_to_segment): Likewise.
9312         (Script_sections::attach_sections_using_phdrs_clause): Don't
9313         propagate non-PT_LOAD segments to orphan sections.
9314         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9315         readelf rather than objdump.
9316         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9317         .interp section and PT_INTERP segment are the same size.
9318         * testsuite/Makefile.in: Rebuild.
9319
9320         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9321         aliases for symbols defined in the same object.
9322         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9323         (weak_alias_test_SOURCES): New variable.
9324         (weak_alias_test_DEPENDENCIES): New variable.
9325         (weak_alias_test_LDFLAGS): New variable.
9326         (weak_alias_test_LDADD): New variable.
9327         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9328         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9329         (weak_alias_test_3.o): New target.
9330         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9331         * testsuite/weak_alias_test_main.cc: New file.
9332         * testsuite/weak_alias_test_1.cc: New file.
9333         * testsuite/weak_alias_test_2.cc: New file.
9334         * testsuite/weak_alias_test_3.cc: New file.
9335
9336 2008-04-08  Ian Lance Taylor  <iant@google.com>
9337
9338         * options.h (class General_options): Add --noinhibit-exec option.
9339         * main.cc (main): Check --noinhibit-exec.
9340
9341         * options.h (class General_options): Define --wrap as a special
9342         option.  Add wrap_symbols_ field.
9343         (General_options::any_wrap_symbols): New function.
9344         (General_options::is_wrap_symbol): New function.
9345         * options.cc (General_options::parse_wrap): New function.
9346         (General_options::General_options): Initialize wrap_symbols_.
9347         * symtab.cc (Symbol_table::wrap_symbol): New function.
9348         (Symbol_table::add_from_object): Handle --wrap.
9349         * symtab.h (class Symbol_table): Declare wrap_symbol.
9350         * target.h (Target::wrap_char): New function.
9351         (Target::Target_info): Add wrap_char field.
9352         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9353         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9354         * testsuite/testfile.cc (Target_test::test_target_info):
9355         Likewise.
9356
9357         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9358         there is one.
9359
9360         * layout.h (class Layout): Add added_eh_frame_data_ field.
9361         * layout.cc (Layout::Layout): Initialize new field.
9362         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9363         output section until we find a section we merged successfully.
9364         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9365         that the size be non-zero.
9366
9367         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9368         qualifier.
9369
9370 2008-04-08  Craig Silverstein  <csilvers@google.com>
9371
9372         * configure.ac: Export new conditional variable HAVE_ZLIB.
9373         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9374         on HAVE_ZLIB.
9375         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9376         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9377
9378 2008-04-07  Ian Lance Taylor  <iant@google.com>
9379
9380         * version.cc (version_string): Set to "1.5".
9381
9382         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9383         Add issued_non_pic_error_ field.  Declare check_non_pic.
9384         (Target_x86_64::Scan::check_non_pic): New function.
9385         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9386         (Target_x86_64::Scan::global): Likewise.
9387
9388         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9389         addend parameter.  Change caller.  Handle merge sections.
9390         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9391         Address to Addend.  Don't add in the result of
9392         local_section_offset, pass down the addend and use the returned
9393         value.
9394         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9395         Update declarations of local_section_offset and symbol_value.
9396         * testsuite/two_file_test_1.cc (t18): New function.
9397         * testsuite/two_file_test_2.cc (f18): New function.
9398         * testsuite/two_file_test_main.cc (main): Call t18.
9399         * testsuite/two_file_test.h (t18, f18): Declare.
9400
9401         * configure.ac: Don't test for objdump, c++filt, or readelf.
9402         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9403         conditionals.
9404         (TEST_READELF): New variable.
9405         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9406         (check_PROGRAMS): Add two_file_strip_test.
9407         (two_file_strip_test): New target.
9408         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9409         (two_file_same_shared_strip_test_SOURCES): New variable.
9410         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9411         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9412         (two_file_same_shared_strip_test_LDADD): New variable.
9413         (two_file_shared_strip.so): New target.
9414         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9415         (ver_test_5.syms, ver_test_7.syms): Likewise.
9416         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9417         (strip_test_3.stdout): Use TEST_OBJDUMP.
9418         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9419
9420 2008-04-04  Cary Coutant  <ccoutant@google.com>
9421
9422         * symtab.h (Symbol::is_weak_undefined): New function.
9423         (Symbol::is_strong_undefined): New function.
9424         (Symbol::is_absolute): New function.
9425         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9426         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9427         absolute symbols.
9428         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9429         (weak_undef_test): New target.
9430         * testsuite/Makefile.in: Rebuild.
9431         * testsuite/weak_undef_file1.cc: New file.
9432         * testsuite/weak_undef_file2.cc: New file.
9433         * testsuite/weak_undef_test.cc: New file.
9434
9435 2008-04-03  Craig Silverstein  <csilvers@google.com>
9436
9437         * compressed_output.h (class Output_compressed_section): Use
9438         unsigned buffer.
9439         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9440         add zlib header.
9441         (zlib_compressed_suffix): Removed.
9442         (Output_compressed_section::set_final_data_size): Use unsigned
9443         buffers.
9444         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9445         Fix linker invocation.
9446         (flagstest_o_specialfile_and_compress_debug_sections):
9447         Likewise.
9448         * testsuite/Makefile.in: Regenerated.
9449
9450 2008-04-02  David S. Miller  <davem@davemloft.net>
9451
9452         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9453         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9454
9455 2008-04-02  Craig Silverstein  <csilvers@google.com>
9456
9457         * TODO: New file.
9458
9459 2008-04-02  Ian Lance Taylor  <iant@google.com>
9460
9461         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9462         parameters.  Update for new key type to views_.  Change all
9463         callers.
9464         (File_read::read): Adjust for byteshift in returned view.
9465         (File_read::add_view): New function, broken out of
9466         find_and_make_view.
9467         (File_read::make_view): New function, broken out of
9468         find_and_make_view.
9469         (File_read::find_or_make_view): Add offset and aligned
9470         parameters.  Rewrite accordingly.  Change all callers.
9471         (File_read::get_view): Add offset and aligned parameters.  Adjust
9472         for byteshift in return value.
9473         (File_read::get_lasting_view): Likewise.
9474         * fileread.h (class File_read): Update declarations.
9475         (class File_read::View): Add byteshift_ field.  Add byteshift to
9476         constructor.  Add byteshift method.
9477         * archive.h (Archive::clear_uncached_views): New function.
9478         (Archive::get_view): Add aligned parameter.  Change all callers.
9479         * object.h (Object::get_view): Add aligned parameter.  Change all
9480         callers.
9481         (Object::get_lasting_view): Likewise.
9482
9483         * fileread.cc (File_read::release): Don't call clear_views if
9484         there are multiple objects.
9485         * fileread.h (File_read::clear_uncached_views): New function.
9486         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9487         on the archive.
9488
9489 2008-03-31  Cary Coutant  <ccoutant@google.com>
9490
9491         Add thin archive support.
9492         * archive.cc (Archive::armagt): New const.
9493         (Archive::setup): Remove task parameter and calls to unlock.
9494         (Archive::unlock_nested_archives): New function.
9495         (Archive::read_header): Add nested_off parameter. Change
9496         all callers.
9497         (Archive::interpret_header): Likewise.
9498         (Archive::include_all_members): Change to handle thin
9499         archives.
9500         (Archive::include_member): Likewise.
9501         * archive.h (Archive::Archive): Add new parameters and
9502         initializers.
9503         (Archive::armagt): New const.
9504         (Archive::setup): Remove task parameter.
9505         (Archive::unlock_nested_archives): New function.
9506         (Archive::read_header): Add nested_off parameter.
9507         (Archive::interpret_header): Likewise.
9508         (Archive::Nested_archive_table): New typedef.
9509         (Archive::is_thin_archive_): New field.
9510         (Archive::nested_archives_): New field.
9511         (Archive::options_): New field.
9512         (Archive::dirpath_): New field.
9513         (Archive::task_): New field.
9514         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9515         for thin archives.  Pass additional parameters to
9516         Archive::Archive.  Unlock the archive file after calling
9517         Archive::setup.
9518
9519 2008-03-29  Ian Lance Taylor  <iant@google.com>
9520
9521         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9522         version symbol to be local.
9523         * testsuite/ver_test_4.sh: New file.
9524         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9525         (check_DATA): Add ver_test_4.syms.
9526         (ver_test_4.syms): New target.
9527         * testsuite/Makefile.in: Rebuild.
9528
9529         * output.cc
9530         (Output_section::Input_section_sort_entry::has_priority): New
9531         function.
9532         (Output_section::Input_section_sort_entry::match_file_name): New
9533         function.
9534         (Output_section::Input_section_sort_entry::match_section_name):
9535         Remove.
9536         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9537         Remove.
9538         (Output_section::Input_section_sort_entry::match_section_file):
9539         Remove.
9540         (Output_section::Input_section_sort_compare::operator()): Rewrite
9541         using new Input_section_sort_entry functions.  Sort crtbegin and
9542         crtend first.  Sort sections with no priority before sections with
9543         a priority.
9544         * testsuite/initpri1.c (d3): Check j != 4.
9545         (cd5): New constructor/destructor function.
9546         (main): Check j != 2.
9547
9548         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9549         new symbol when resolving, don't call set_is_default.
9550         * testsuite/ver_test_7.cc: New file.
9551         * testsuite/ver_test_7.sh: New file.
9552         * testsuite/Makefile.am (ver_test_7.so): New target.
9553         (ver_test_7.o): New target.
9554         (check_SCRIPTS): Add ver_test_7.sh.
9555         (check_DATA): Add ver_test_7.syms.
9556         (ver_test_7.syms): New target.
9557
9558 2008-03-28  Ian Lance Taylor  <iant@google.com>
9559
9560         * layout.cc (Layout::layout): If we see an input section with a
9561         name that needs sorting, set the must_sort flag for the output
9562         section.
9563         (Layout::make_output_section): If the name of the output section
9564         indicates that it might require sorting, set the may_sort flag.
9565         * output.h (Output_section::may_sort_attached_input_sections): New
9566         function.
9567         (Output_section::set_may_sort_attached_input_sections): New
9568         function.
9569         (Output_section::must_sort_attached_input_sections): New
9570         function.
9571         (Output_section::set_must_sort_attached_input_sections): New
9572         function.
9573         (class Output_section): Declare Input_section_sort_entry.  Define
9574         Input_section_sort_compare.  Declare
9575         sort_attached_input_sections.  Add new fields:
9576         may_sort_attached_input_sections_,
9577         must_sort_attached_input_sections_,
9578         attached_input_sections_are_sorted_.
9579         * output.cc (Output_section::Output_section): Initialize new
9580         fields.
9581         (Output_section::add_input_section): Add an entry to
9582         input_sections_ if may_sort or must_sort are true.
9583         (Output_section::set_final_data_size): Call
9584         sort_attached_input_sections if necessary.
9585         (Output_section::Input_section_sort_entry): Define new class.
9586         (Output_section::Input_section_sort_compare::operator()): New
9587         function.
9588         (Output_section::sort_attached_input_sections): New function.
9589         * configure.ac: Check whether the compiler supports constructor
9590         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9591         * testsuite/initpri1.c: New file.
9592         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9593         CONSTRUCTOR_PRIORITY.
9594         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9595         (initpri1_LDFLAGS): New variable.
9596         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9597
9598 2008-03-27  Ian Lance Taylor  <iant@google.com>
9599
9600         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9601         * testsuite/common_test_1.c: New file.
9602         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9603         (common_test_1_SOURCES): New variable.
9604         (common_test_1_DEPENDENCIES): New variable.
9605         (common_test_1_LDFLAGS): New variable.
9606
9607         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9608         and commons_ correctly when NAME/VERSION does not override
9609         NAME/NULL.
9610         * testsuite/ver_test_6.c: New file.
9611         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9612         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9613         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9614
9615 2008-03-26  Ian Lance Taylor  <iant@google.com>
9616
9617         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9618         of an undefined symbol from a version script.
9619         * testsuite/Makefile.am (ver_test_5.so): New target.
9620         (ver_test_5.o): New target.
9621         (check_SCRIPTS): Add ver_test_5.sh.
9622         (check_DATA): Add ver_test_5.syms.
9623         (ver_test_5.syms): New target.
9624         * testsuite/ver_test_5.cc: New file.
9625         * testsuite/ver_test_5.script: New file.
9626         * testsuite/ver_test_5.sh: New file.
9627         * Makefile.in, testsuite/Makefile.in: Rebuild.
9628
9629         PR gold/5986
9630         Fix problems building gold with gcc 4.3.0.
9631         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9632         (gold_error_at_location, gold_warning_at_location): Use it.
9633         * configure.ac: Check whether we can compile and use a template
9634         function with a printf attribute.
9635         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9636         when jumping over bytes.
9637         * object.cc: Instantiate Object::read_section_data.
9638         * debug.h: Include <cstring>
9639         * dwarf_reader.cc: Include <algorithm>
9640         * main.cc: Include <cstring>.
9641         * options.cc: Include <cstring>.
9642         * output.cc: Include <cstring>.
9643         * script.cc: Include <cstring>.
9644         * script.h: Include <string>.
9645         * symtab.cc: Include <cstring> and <algorithm>.
9646         * target-select.cc: Include <cstring>.
9647         * version.cc: Include <string>.
9648         * testsuite/testmain.cc: Include <cstdlib>.
9649         * configure, config.in: Rebuild.
9650
9651 2008-03-25  Ian Lance Taylor  <iant@google.com>
9652
9653         * options.cc: Include "../bfd/bfdver.h".
9654         (options::help): Print bug reporting address.
9655
9656         * version.cc (print_version): Adjust output for current value of
9657         BFD_VERSION_STRING.
9658
9659         * NEWS: New file.
9660
9661         * options.cc (options::help): Print list of supported targets.
9662         * target-select.h: Include <vector>.
9663         (class Target_selector): Make machine_, size_, and is_big_endian_
9664         fields const.  Add bfd_name_ and instantiated_target_ fields.
9665         (Target_selector::Target_selector): Add bfd_name parameter.
9666         (Target_selector::recognize): Make non-virtual, call
9667         do_recognize.
9668         (Target_selector::recognize_by_name): Make non-virtual, call
9669         do_recognize_by_name.
9670         (Target_selector::supported_names): New function.
9671         (Target_selector::bfd_name): New function.
9672         (Target_selector::do_instantiate_target): New pure virtual
9673         function.
9674         (Target_selector::do_recognize): New virtual function.
9675         (Target_selector::do_recognize_by_name): New virtual function.
9676         (Target_selector::instantiate_target): New private function.
9677         (supported_target_names): Declare.
9678         * target-select.cc (Target_selector::Target_selector): Update for
9679         new parameter and fields.
9680         (select_target_by_name): Check that the name matches before
9681         calling recognize_by_name.
9682         (supported_target_names): New function.
9683         * i386.cc (class Target_selector_i386): Update Target_selector
9684         constructor call.  Remove recognize and recognize_by_name.  Add
9685         do_instantiate_target.
9686         * x86_64.cc (class Target_selector_x86_64): Likewise.
9687         * testsuite/testfile.cc (class Target_selector_test): Update for
9688         changes to Target_selector.
9689
9690         * README: Rewrite, with some notes on unsupported features.
9691
9692 2008-03-24  Cary Coutant  <ccoutant@google.com>
9693
9694         * i386.cc (Target_i386::Got_type): New enum declaration.
9695         (Target_i386::Scan::local): Updated callers of Output_data_got
9696         member functions.
9697         (Target_i386::Scan::global): Likewise.
9698         (Target_i386::Relocate::relocate): Likewise.
9699         (Target_i386::Relocate::relocate_tls): Likewise.
9700         * object.h (Got_offset_list): New class.
9701         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9702         (Sized_relobj::local_got_offset): Likewise.
9703         (Sized_relobj::set_local_got_offset): Likewise.
9704         (Sized_relobj::local_has_tls_got_offset): Removed.
9705         (Sized_relobj::local_tls_got_offset): Removed.
9706         (Sized_relobj::set_local_tls_got_offset): Removed.
9707         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9708         * output.cc (Output_data_got::add_global): Added got_type parameter.
9709         (Output_data_got::add_global_with_rel): Likewise.
9710         (Output_data_got::add_global_with_rela): Likewise.
9711         (Output_data_got::add_global_pair_with_rel): New function.
9712         (Output_data_got::add_global_pair_with_rela): New function.
9713         (Output_data_got::add_local): Added got_type parameter.
9714         (Output_data_got::add_local_with_rel): Likewise.
9715         (Output_data_got::add_local_with_rela): Likewise.
9716         (Output_data_got::add_local_pair_with_rel): New function.
9717         (Output_data_got::add_local_pair_with_rela): New function.
9718         (Output_data_got::add_global_tls): Removed.
9719         (Output_data_got::add_global_tls_with_rel): Removed.
9720         (Output_data_got::add_global_tls_with_rela): Removed.
9721         (Output_data_got::add_local_tls): Removed.
9722         (Output_data_got::add_local_tls_with_rel): Removed.
9723         (Output_data_got::add_local_tls_with_rela): Removed.
9724         * output.h (Output_data_got::add_global): Added got_type parameter.
9725         (Output_data_got::add_global_with_rel): Likewise.
9726         (Output_data_got::add_global_with_rela): Likewise.
9727         (Output_data_got::add_global_pair_with_rel): New function.
9728         (Output_data_got::add_global_pair_with_rela): New function.
9729         (Output_data_got::add_local): Added got_type parameter.
9730         (Output_data_got::add_local_with_rel): Likewise.
9731         (Output_data_got::add_local_with_rela): Likewise.
9732         (Output_data_got::add_local_pair_with_rel): New function.
9733         (Output_data_got::add_local_pair_with_rela): New function.
9734         (Output_data_got::add_global_tls): Removed.
9735         (Output_data_got::add_global_tls_with_rel): Removed.
9736         (Output_data_got::add_global_tls_with_rela): Removed.
9737         (Output_data_got::add_local_tls): Removed.
9738         (Output_data_got::add_local_tls_with_rel): Removed.
9739         (Output_data_got::add_local_tls_with_rela): Removed.
9740         * resolve.cc (Symbol::override_base_with_special): Removed
9741         reference to has_got_offset_ field.
9742         * symtab.cc (Symbol::init_fields): Replaced initialization
9743         of got_offset_ with got_offsets_.  Removed initialization
9744         of has_got_offset_
9745         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9746         (Symbol::got_offset): Likewise.
9747         (Symbol::set_got_offset): Likewise.
9748         (Symbol::has_tls_got_offset): Removed.
9749         (Symbol::tls_got_offset): Removed.
9750         (Symbol::set_tls_got_offset): Removed.
9751         (Symbol::got_offset_): Removed.
9752         (Symbol::tls_mod_got_offset_): Removed.
9753         (Symbol::tls_pair_got_offset_): Removed.
9754         (Symbol::got_offsets_): New field.
9755         (Symbol::has_got_offset): Removed.
9756         (Symbol::has_tls_mod_got_offset): Removed.
9757         (Symbol::has_tls_pair_got_offset): Removed.
9758         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9759         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9760         member functions.
9761         (Target_x86_64::Scan::global): Likewise.
9762         (Target_x86_64::Relocate::relocate): Likewise.
9763         (Target_x86_64::Relocate::relocate_tls): Likewise.
9764
9765 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9766
9767         * yyscript.y: Fix spelling error in comment.
9768
9769 2008-03-24  Ian Lance Taylor  <iant@google.com>
9770
9771         * options.h (class General_options): Define build_id option.
9772         * layout.h (class Layout): Declare write_build_id, create_note,
9773         create_build_id.  Add build_id_note_ member.
9774         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9775         "libiberty.h", "md5.h", "sha1.h".
9776         (Layout::Layout): Initialize eh_frame_data_,
9777         eh_frame_hdr_section_, and build_id_note_.
9778         (Layout::finalize): Call create_build_id.
9779         (Layout::create_note): New function, broken out of
9780         Layout::create_gold_note.
9781         (Layout::create_gold_note): Call create_note.
9782         (Layout::create_build_id): New function.
9783         (Layout::write_build_id): New function.
9784         (Close_task_runner::run): Call write_build_id.
9785
9786         * x86_64.cc: Correct license to GPLv3.
9787
9788 2008-03-23  Ian Lance Taylor  <iant@google.com>
9789
9790         * options.cc: Include "demangle.h".
9791         (parse_optional_string): New function.
9792         (parse_long_option): Handle takes_optional_argument.
9793         (parse_short_option): Update dash_z initializer.  Handle
9794         takes_optional_argument.
9795         (General_options::General_options): Initialize do_demangle_.
9796         (General_options::finalize): Set do_demangle_.  Handle demangling
9797         style.
9798         * options.h (parse_optional_string): Declare.
9799         (struct One_option): Add optional_arg field.  Update constructor.
9800         Update call constructor calls.  Add takes_optional_argument
9801         function.
9802         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9803         (DEFINE_optional_string): Define.
9804         (General_options::demangle): Change from DEFINE_bool to
9805         DEFINE_optional_string.
9806         (General_options::no_demangle): New function.
9807         (General_options::do_demangle): New function.
9808         (General_options::set_do_demangle): New function.
9809         (General_options::execstack_status_): Move definition to end of
9810         class definition.
9811         (General_options::static_): Likewise.
9812         (General_options::do_demangle_): New field.
9813         * object.cc (big_endian>::get_symbol_location_info): Call
9814         Options::do_demangle, not Options::demangle.
9815         * symtab.cc (demangle): Likewise.
9816
9817 2008-03-22  Ian Lance Taylor  <iant@google.com>
9818
9819         * gold.h: Include <cstddef> and <sys/types.h>
9820         * options.h: Include <cstring>.
9821
9822 2008-03-21  Ian Lance Taylor  <iant@google.com>
9823
9824         * Added source code to GNU binutils.