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