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