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