PR symtab/12302
[external/binutils.git] / gold / ChangeLog
1 2010-12-07  Doug Kwan  <dougkwan@google.com>
2
3         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4         like function call relocations.
5
6 2010-12-07  Ian Lance Taylor  <iant@google.com>
7
8         * archive.cc (Archive::get_elf_object_for_member): Permit
9         punconfigured to be NULL.
10         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
11         (Archive::include_member): Pass NULL to get_elf_object_for_member
12         if we searched for the archive and this is the first included
13         object.
14
15 2010-12-01  Ian Lance Taylor  <iant@google.com>
16
17         * dwarf_reader.h (class Sized_dwarf_line_info): Add
18         track_relocs_type_ field.
19         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
20         Set track_relocs_type_.
21         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
22         contents when using RELA relocs.
23         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
24         reloc_map_.
25         * reloc.cc (Track_relocs::next_addend): New function.
26         * reloc.h (class Track_relocs): Declare next_addend.
27
28 2010-12-01  Ian Lance Taylor  <iant@google.com>
29
30         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
31         virtual destructor.
32
33 2010-12-01  Ian Lance Taylor  <iant@google.com>
34
35         * README: Update compilers known to work and fail.
36
37 2010-11-23  Matthias Klose  <doko@ubuntu.com>
38
39         * configure.in: For --enable-gold, handle value `default' instead of
40         `both*'.  Always install ld as ld.bfd, install as ld if gold is
41         not the default.
42         * configure: Regenerate.
43
44 2010-11-18  Doug Kwan  <dougkwan@google.com>
45
46         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
47         and right_alignment to be zero.  Store result alignment only if it is
48         greater than existing alignment.
49
50 2010-11-16  Cary Coutant  <ccoutant@google.com>
51
52         PR gold/12220
53         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
54         Check for ".zdebug_line".
55
56 2010-11-16  Doug Kwan  <dougkwan@google.com>
57             Cary Coutant  <ccoutant@google.com>
58
59         * output.h (Output_segment::set_section_addresses): Pass increase_relro
60         by reference; adjust all callers.
61         * output.cc (Output_segment::set_section_addresses): Adjust references
62         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
63         list is empty.
64         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
65         end at page boundary.
66
67 2010-11-16  Cary Coutant  <ccoutant@google.com>
68
69         PR gold/12220
70         * layout.cc (Layout::choose_output_section): Transform names of
71         compressed sections even when using a script with a SECTIONS clause.
72         (Layout::output_section_name): Remove code to transform
73         compressed debug section names.
74         * output.cc (Output_section::add_input_section): Use uncompressed
75         section size when tracking input sections.
76
77 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
78
79         * symtab.h (Symbol::NON_PIC_REF): Remove.
80         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
81         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
82         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
83         (Symbol::use_plt_offset): Take a flags argument and pass it
84         directly to needs_dynamic_reloc.  Restrict check for undefined
85         weak symbols to function calls.
86         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
87         (Target_arm::Scan::global): Use it.
88         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
89         (Target_arm::Relocate::relocate): Likewise.
90         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
91         parameter with an r_type parameter.  Use get_reference_flags
92         to get the flags.
93         (Target_arm::Relocate::relocate): Update accordingly.
94         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
95         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
96         (Target_i386::Scan::global): Likewise.
97         (Target_i386::Relocate::relocate): Likewise.
98         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
99         parameter with an r_type parameter.  Use get_reference_flags
100         to get the flags.
101         (Target_i386::Relocate::relocate): Update accordingly.
102         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
103         (Target_powerpc::Scan::global): Use it.
104         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
105         (Target_powerpc::Relocate::relocate): Likewise.
106         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
107         (Target_sparc::Scan::global): Use it.
108         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
109         (Target_sparc::Relocate::relocate): Likewise.
110         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
111         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
112         (Target_x86_64::Scan::global): Likewise.
113         (Target_x86_64::Relocate::relocate): Likewise.
114
115 2010-11-08  Doug Kwan  <dougkwan@google.com>
116             Cary Coutant  <ccoutant@google.com>
117
118         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
119         (Arm_exidx_merge_section::section_contents_): New data member.
120         (Arm_input_section::Arm_input_section): Initialize original_contents_.
121         (Arm_input_section::~Arm_input_section): De-allocate memory.
122         (Arm_input_section::original_contents_): New data member.       
123         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
124         in parameters instead of calling Object::section_contents without
125         locking.
126         (Arm_output_section::group_section): New parameter TASK.  Pass it
127         to callees that need locking objects.
128         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
129         to lock EXIDX input sections.  Fix a formatting issue.  Call
130         Arm_exidx_merged_section::build_contents to create merged section
131         contents.
132         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
133         to lock object of stub table owner.
134         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
135         TEXT_SIZE to initialize data member TEXT_SIZE_.
136         (Arm_exidx_input_section::addralign): Fix typo in comment.
137         (Arm_exidx_input_section::text_size): New method.
138         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
139         that require locking objects.  Lock objects before scanning for stubs
140         and updating local symbols.
141         (Arm_input_section<big_endian>::init): Copy contents of original
142         input section.
143         (Arm_input_section<big_endian>::do_write): Use saved contents of
144         original input section instead of calling Object::section_contents
145         without locking.
146         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
147         size without calling Object::section_size().
148         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
149         for size.  Allocate a buffer for merged EXIDX entries.
150         (Arm_exidx_merged_section::build_contents): New method.
151         (Arm_exidx_merged_section::do_write): Move merge section contents
152         building code to Arm_exidx_merged_section::build_contetns.  Write
153         out contetns in buffer instead of building it on the fly.
154         (Arm_relobj::make_exidx_input_section): Also pass text section size
155         to Arm_exidx_input_section constructor.
156         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
157         (Arm_dynobj::do_read_symbols): Fix memory leak.
158         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
159         * target.h: (class Task): Add forward declaration.
160         (Target::relax): Add new parameter TASK and pass it to
161         Target::do_relax().
162         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
163
164 2010-11-05  Cary Coutant  <ccoutant@google.com>
165
166         PR gold/10708
167         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
168         object when reading from the file.
169         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
170         second layout pass.
171         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
172         when reading section contents.
173         (get_section_contents): Likewise.
174         (icf::find_identical_sections): Likewise.
175         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
176         object when reading from the file.
177         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
178         the object when doing deferred section layout.
179
180 2010-11-03  Nick Clifton  <nickc@redhat.com>
181
182         PR gold/12001
183         * script.h (class Symbol_assignment: name): New member.  Returns
184         the name of the symbol.
185         * scrfipt.cc (Script_options::is_pending_assignment): New member.
186         Returns true if the given symbol name is on the list of
187         assignments wating to be processed.
188         * archive.cc (should_incldue_member): If the symbol is undefined,
189         check to see if it is on the list of symbols pending assignment.
190
191 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
192
193         * script-sections.cc (Script_sections::find_memory_region): Check
194         for a NULL output section pointer.
195
196 2010-10-29  Doug Kwan  <dougkwan@google.com>
197
198         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
199         Output_section::add_relaxed_input_section.
200         * output.cc (Output_section::add_relaxed_input_section): Add new
201         arguments LAYOUT and NAME.  Set section order index.
202         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
203         Copy section order index.
204         * output.h (Output_section::add_relaxed_input_section): Add new
205         arguments LAYOUT and NAME.
206
207 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
208
209         * testsuite/Makefile.am: Move gcctestdir/ld rule to
210         NATIVE_OR_CROSS_LINKER.
211         * testsuite/Makefile.in: Regenerate.
212
213 2010-10-20  Doug Kwan  <dougkwan@google.com>
214
215         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
216         without SHF_LINK_ORDER flags.
217         * layout.cc (Layout::choose_output_section): Do not filter
218         SHF_LINK_ORDER flag in a relocatable link.
219
220 2010-10-17  Cary Coutant  <ccoutant@google.com>
221
222         * output.h (Output_segment::set_section_addresses): Change function
223         signature.  Update all callers.
224         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
225         sections.
226         (Output_segment::set_section_addresses): Align after last TLS
227         section.  Add padding before last relro section instead of after.
228
229 2010-10-17  Doug Kwan  <dougkwan@google.com>
230
231         * gold/arm.cc (Target_arm::got_section): Use correct order and set
232         GOT output section to be writable.
233
234 2010-10-14  Cary Coutant  <ccoutant@google.com>
235
236         * debug.h (DEBUG_INCREMENTAL): New flag.
237         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
238         * gold.cc (queue_initial_tasks): Check parameters for incremental link
239         mode.
240         * incremental.cc (report_command_line): Ignore all forms of
241         --incremental.
242         * layout.cc (Layout::Layout): Check parameters for incremental link
243         mode.
244         * options.cc (General_options::parse_incremental): New function.
245         (General_options::parse_no_incremental): New function.
246         (General_options::parse_incremental_full): New function.
247         (General_options::parse_incremental_update): New function.
248         (General_options::incremental_mode_): New data member.
249         (General_options::finalize): Check incremental_mode_.
250         * options.h (General_options): Update help text for --incremental.
251         Add --no-incremental, --incremental-full, --incremental-update.
252         (General_options::Incremental_mode): New enum type.
253         (General_options::incremental_mode): New function.
254         (General_options::incremental_mode_): New data member.
255         * parameters.cc (Parameters::incremental_mode_): New data member.
256         (Parameters::set_options): Set incremental_mode_.
257         (Parameters::set_incremental_full): New function.
258         (Parameters::incremental): New function.
259         (Parameters::incremental_update): New function.
260         (set_parameters_incremental_full): New function.
261         * parameters.h (Parameters::set_incremental_full): New function.
262         (Parameters::incremental): New function.
263         (Parameters::incremental_update): New function.
264         (Parameters::incremental_mode_): New data member.
265         (set_parameters_incremental_full): New function.
266         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
267         incremental link mode.
268         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
269         (Sized_relobj::do_relocate_sections): Likewise.
270         * testsuite/Makefile.am (incremental_test): Use --incremental-full
271         option.
272         * testsuite/Makefile.in: Regenerate.
273         * testsuite/incremental_test.sh: Filter all forms of --incremental.
274
275 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
276
277         * script-sections.h (class Script_sections): Make
278         Sections_elements typedef public.
279         * script-sections.cc (class Sort_output_sections): Add elements_
280         field.  Add constructor which sets it; change all callers.
281         (Sort_output_sections::is_before): New function.
282         (Sort_output_sections::operator()): Call is_before.
283         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
284         conditional.
285         * testsuite/script_test_10.sh: New test. Test script section
286         order.
287         * testsuite/script_test_10.t: Likewise.
288         * testsuite/script_test_10.s: Likewise.
289         * testsuite/Makefile.am: Wrap the cross linker tests and the
290         common tests into NATIVE_OR_CROSS_LINKER.
291         (check_SCRIPTS): Add script_test_10.sh.
292         (check_DATA): Add script_test_10.stdout.
293         (script_test_10.o, script_test_10): New targets.
294         (script_test_10.stdout): New target.
295         * configure, testsuite/Makefile.in: Regenerate.
296
297 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
298
299         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
300         error for the deprecated relocations.
301         (Target_arm::Scan::global): Likewise.
302         (Target_arm::Relocate::relocate): Likewise.
303
304 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
305
306         * fileread.cc (Input_file::find_file): Initialize *found_name
307         and *namep when using the fallback search for case 4.
308
309 2010-10-11  Cary Coutant  <ccoutant@google.com>
310
311         * options.h (class General_options): Redefine -z lazy as an alias for
312         the negation of -z now.
313
314 2010-10-11  Ian Lance Taylor  <iant@google.com>
315
316         * resolve.cc (symbol_to_bits): Report the value of the unsupported
317         binding.
318
319 2010-10-06  Nick Clifton  <nickc@redhat.com>
320
321         * script-sections.cc(class Memory_region): Remove
322         current_lma_offset_ field.  Rename current_vma_offset_ to
323         current_offset_.  Add last_section_ field.
324         (Memory_region::get_current_vma_address): Rename to
325         get_current_address.
326         (Memory_region::get_current_lma_address): Delete.
327         (Memory_region::increment_vma_offset): Rename to
328         increment_offset.
329         (Memory_region::increment_lma_offset): Delete.
330         (Memory_region::attributes_compatible): New method.  Returns
331         true if the provided section is compatible with the region.
332         (Memory_region::get_last_section): New method.  Returns the last
333         section to use the region.
334         (Memory_region::set_last_section): New method.  Stores the last
335         section to use the region.
336         (Script_sections::block_in_region): New method.  Returns true if
337         a block of memory is contained within a region.
338         (Script_sections::find_memory_region): New method.  Locates a
339         memory region to be used to set a VMA or LMA address.
340         (Output_section_definition::set_section_addresses): Add code to
341         check for addresses set by memory regions.
342         (Output_segment::set_section_addresses): Remove memory region
343         walking code.
344         (Script_sections::create_segment): Add a warning if a header
345         segment is created outside of any region.
346         * script-sections.h (class Script_sections): Add prototypes for
347         find_memory_region and block_in_region methods.
348         * testsuite/memory_test.s: Use .long instead of .word.
349         * testsuite/memory_test.t: Add some more output sections.
350         * testsuite/memory_test.sh: Update expected output.
351
352 2010-10-02  Doug Kwan  <dougkwan@google.com>
353
354         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
355         defintion to symtab.h
356         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
357         declaration to defintion.
358
359 2010-10-01  Nick Clifton  <nickc@redhat.com>
360
361         * expression.cc (eval): Replace dummy argument with NULL.
362         (eval_maybe_dot): Check for a NULL result section pointer.
363         (Symbol_expression::value): Likewise.
364         (Dot_expression::value): Likewise.
365         (BINARY_EXPRESSION): Likewise.
366         (Max_expression::value): Likewise.
367         (Min_expression::value): Likewise.
368         (Absolute_expression::value): Likewise.
369         (Addr_expression::value_from_output_section): Likewise.
370         (Loaddddr_expression::value_from_output_section): Likewise.
371         (Segment_start_expression::value): Likewise.
372         * script-sections.cc
373         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
374         argument with NULL.
375         (Sections_elememt_dot_assignment::set_section_addresses):
376         Likewise.
377         (Output_data_expression::do_write_to_buffer): Likewise.
378         (Output_section_definition::finalize_symbols): Likewise.
379         (Output_section_definition::set_section_addresses): Likewise.
380
381 2010-09-30  Doug Kwan  <dougkwan@google.com>
382
383         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
384
385 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
386
387         * target.h (Target::can_icf_inline_merge_sections): New virtual
388         function.
389         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
390         virtual function.
391         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
392         virtual function.
393         * icf.cc (get_section_contents): Inline merge sections only when
394         target allows it.
395
396 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
397
398         * configure: Regenerate.
399
400 2010-09-17  Ian Lance Taylor  <iant@google.com>
401
402         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
403         * testsuite/Makefile.am (memory_test.o): New target.
404         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
405         memory_test.t.
406         * testsuite/Makefile.in: Rebuild.
407
408 2010-09-17  Doug Kwan  <dougkwan@google.com>
409
410         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
411         defintion if relocation uses GOT entries of the symbol.
412         * testsuite/icf_safe_test.sh: Fix test.
413         * testsuite/icf_safe_so_test.sh: Fix test.
414
415 2010-09-16  Cary Coutant  <ccoutant@google.com>
416
417         * script_sections.cc (class Memory_region): Remove "NULL" from
418         vector initializations.
419
420 2010-09-15  Cary Coutant  <ccoutant@google.com>
421
422         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
423         Resolve forwarding symbols.
424
425 2010-09-15  Doug Kwan  <dougkwan@google.com>
426
427         * gold/testsuite/script_test_3.t: Add ARM special sections.
428         * gold/testsuite/script_test_4.t: Same.
429         * gold/testsuite/script_test_5.t: Same.
430         * gold/testsuite/script_test_6.t: Same.
431         * gold/testsuite/script_test_7.t: Same.
432         * gold/testsuite/script_test_7.t: Same.
433         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
434
435 2010-09-14  Cary Coutant  <ccoutant@google.com>
436
437         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
438         (Target_x86_64::Relocate::relocate_tls): Replace check for
439         saw_tls_block_reloc_ with test for executable section.
440
441 2010-09-12  Cary Coutant  <ccoutant@google.com>
442
443         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
444         position-independent executables to shared libraries need dynamic
445         relocations.
446         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
447         position-independent executables.
448         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
449         * testsuite/Makefile.in: Regenerate.
450
451 2010-09-10  Nick Clifton  <nickc@redhat.com>
452
453         PR gold/11997
454         * testsuite/memory_test.t: Discard any sections that are not
455         needed.
456
457 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
458
459         PR gold/11996
460         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
461         "This::" to work around a bug in gcc 4.2.
462
463         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
464
465 2010-09-09  Rafael Espindola  <espindola@google.com>
466
467         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
468         sections with different PF_X flags in the same segment.
469         (Layout::find_first_load_seg): Search all segments to find the first
470         one.
471         * options.h (rosegment): New.
472
473 2010-09-08  Rafael Espindola  <espindola@google.com>
474
475         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
476
477 2010-09-08  Doug Kwan  <dougkwan@google.com>
478
479         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
480         (Arm_relobj::do_relocate_sections): Add new parameter for output
481         file to match the parent.
482         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
483         of local symbols instead of input values.  Update code to track
484         changes in gold::relocate_section.
485         * object.cc (Sized_relobj::compute_final_local_value): New methods.
486         (Sized_relobj::compute_final_local_value_internal): New methods.
487         (Sized_relobj::do_finalize_local_symbols): Move code from loop
488         body into private version of Sized_relobj::compute_final_local_value.
489         Call the inline method.
490         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
491         merged symbol value if there is one.
492         (Symbol_value::has_output_value): New method defintiion.
493         (Sized_relobj::Compute_final_local_value_status): New enum type.
494         (Sized_relobj::compute_final_local_value): New methods.
495         (Sized_relobj::compute_final_local_value_internal): New methods.
496         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
497         and arm_cortex_a8.sh.
498         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
499         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
500         New tests.
501         * Makefile.in: Regenerate.
502         * testsuite/arm_bl_out_of_range.s: Update test.
503         * testsuite/thumb_bl_out_of_range.s: Ditto.
504         * testsuite/thumb_blx_out_of_range.s: Ditto.
505         * testsuite/arm_branch_out_of_range.sh: New file.
506         * testsuite/arm_cortex_a8.sh: Ditto.
507         * testsuite/arm_cortex_a8_b.s: Ditto.
508         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
509         * testsuite/arm_cortex_a8_b_local.s: Ditto.
510         * testsuite/arm_cortex_a8_bl.s: Ditto.
511         * testsuite/arm_cortex_a8_blx.s: Ditto.
512         * testsuite/arm_cortex_a8_local.s: Ditto.
513         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
514         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
515
516 2010-09-08  Rafael Espindola  <espindola@google.com>
517
518         * Makefile.am (memory_test.stdout): Run readelf with -W.
519         * Makefile.in: Regenerate.
520         * testsuite/memory_test.sh: Make the regexps accept both 32 and
521         64 bit output.
522
523 2010-09-08  Rafael Espindola  <espindola@google.com>
524
525         * script-sections.cc (Script_sections::add_memory_region): Convert
526         field precision to int.
527         * script.cc (script_set_section_region, script_set_section_region):
528         Convert field precision to int.
529
530 2010-09-08  Rafael Espindola  <espindola@google.com>
531
532         * arm.cc (do_finalize_sections): Create the __exidx_start and
533         __exdix_end symbols even when the section is missing.
534
535 2010-09-08  Nick Clifton  <nickc@redhat.com>
536
537         * README: Remove claim that MEMORY is not supported.
538         * expression.cc (script_exp_function_origin)
539         (script_exp_function_length): Move from here to ...
540         * script.cc: ... here.
541         (script_set_section_region, script_add_memory)
542         (script_parse_memory_attr, script_include_directive): New
543         functions.
544         * script-sections.cc
545         (class Memory_region): New class.
546         (class Output_section_definition): Add set_memory_region,
547         set_section_vma, set_section_lma and get_section_name methods.
548         (class Script_Sections): Add add_memory_region,
549         find_memory_region, find_memory_region_origin,
550         find_memory_region_length and set_memory_region methods.
551         Have set_section_addresses method walk the list of set memory
552         regions.
553         Extend the print methos to display memory regions.
554         * script-sections.h: Add prototypes for new methods.
555         Add enum for MEMORY region attributes.
556         * yyscript.y: Add support for parsing MEMORY regions.
557         * script-c.h: Add prototypes for new functions.
558         * testsuite/Makefile.am: Add test of MEMORY region functionality.
559         * testsuite/Makefile.in: Regenerate.
560         * testsuite/memory_test.sh: New script.
561         * testsuite/memory_test.s: New assembler source file.
562         * testsuite/memory_test.t: New linker script.
563
564 2010-08-27  Doug Kwan  <dougkwan@google.com>
565
566         * gold/resolve.cc (Symbol_table::should_override): Let a weak
567         reference override an existing dynamic weak reference.
568         * testsuite/Makefile.am: Add new test dyn_weak_ref.
569         * testsuite/Makefile.in: Regenerate.
570         * testsuite/dyn_weak_ref.sh: New file.
571         * testsuite/dyn_weak_ref_1.c: Ditto.
572         * testsuite/dyn_weak_ref_2.c: Ditto.
573
574 2010-08-27  Ian Lance Taylor  <iant@google.com>
575
576         * incremental.h (class Incremental_input_entry): Add virtual
577         destructor.
578
579 2010-08-27  Ian Lance Taylor  <iant@google.com>
580
581         * testsuite/start_lib_test_3.c: Mark t3 as used.
582
583 2010-08-27  Nick Clifton  <nickc@redhat.com>
584
585         * options.cc (version_script): Fix small typo in previous
586         whitespace tidyup.
587
588 2010-08-25  Nick Clifton  <nickc@redhat.com>
589
590         * archive.cc: Formatting fixes: Remove whitespace between
591         typename and following asterisk.  Remove whitespace between
592         function name and opening parenthesis.
593         * archive.h: Likewise.
594         * arm.cc: Likewise.
595         * attributes.cc: Likewise.
596         * attributes.h: Likewise.
597         * common.cc: Likewise.
598         * copy-relocs.cc: Likewise.
599         * dirsearch.h: Likewise.
600         * dynobj.cc: Likewise.
601         * ehframe.cc: Likewise.
602         * ehframe.h: Likewise.
603         * expression.cc: Likewise.
604         * fileread.cc: Likewise.
605         * fileread.h: Likewise.
606         * gc.h: Likewise.
607         * gold-threads.cc: Likewise.
608         * gold.cc: Likewise.
609         * i386.cc: Likewise.
610         * icf.h: Likewise.
611         * incremental-dump.cc: Likewise.
612         * incremental.cc: Likewise.
613         * layout.cc: Likewise.
614         * layout.h: Likewise.
615         * main.cc: Likewise.
616         * merge.cc: Likewise.
617         * merge.h: Likewise.
618         * object.cc: Likewise.
619         * object.h: Likewise.
620         * options.cc: Likewise.
621         * options.h: Likewise.
622         * output.cc: Likewise.
623         * output.h: Likewise.
624         * plugin.cc: Likewise.
625         * plugin.h: Likewise.
626         * powerpc.cc: Likewise.
627         * reloc.cc: Likewise.
628         * script-c.h: Likewise.
629         * script-sections.cc: Likewise.
630         * script.cc: Likewise.
631         * stringpool.cc: Likewise.
632         * symtab.cc: Likewise.
633         * symtab.h: Likewise.
634         * target.cc: Likewise.
635         * timer.cc: Likewise.
636         * timer.h: Likewise.
637         * version.cc: Likewise.
638         * x86_64.cc: Likewise.
639
640 2010-08-24  Nick Clifton  <nickc@redhat.com>
641
642         PR 11899
643         * layout.cc (segment_precedes): Sort segments by their physical
644         addresses, if they have been set.
645
646 2010-08-23  Cary Coutant  <ccoutant@google.com>
647
648         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
649         symbols data.
650         (Lib_group::include_member): Unlock object after deleting its
651         symbols data.
652         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
653         the bug fixed here.
654
655 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
656             Cary Coutant  <ccoutant@google.com>
657
658         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
659         constructor, and set_blocker.
660         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
661         readsyms_blocker_.
662         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
663         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
664         * testsuite/Makefile.am (start_lib_test): New test case.
665         * testsuite/Makefile.in: Regenerate.
666         * testsuite/start_lib_test_main.c: New file.
667         * testsuite/start_lib_test_1.c: New file.
668         * testsuite/start_lib_test_2.c: New file.
669         * testsuite/start_lib_test_3.c: New file.
670
671 2010-08-19  Ian Lance Taylor  <iant@google.com>
672
673         * Makefile.in: Rebuild with automake 1.11.1.
674         * aclocal.m4: Likewise.
675         * testsuite/Makefile.in: Likewise.
676
677 2010-08-19  Ian Lance Taylor  <iant@google.com>
678
679         PR 10893
680         * i386.cc (class Output_data_plt_i386): Update declarations.
681         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
682         local_ifuncs_ fields.
683         (Target_i386::do_plt_section_for_global): New function.
684         (Target_i386::do_plt_section_for_local): New function.
685         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
686         parameter; change all callers.  Initialize global_ifuncs_ and
687         local_ifuncs_.  If doing a static link define __rel_iplt_start and
688         __rel_iplt_end.
689         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
690         (Output_data_plt_i386::add_local_ifunc_entry): New function.
691         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
692         symbols.
693         (Target_i386::make_plt_section): New function, broken out of
694         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
695         (Target_i386::make_plt_entry): Call make_plt_section.
696         (Target_i386::make_local_ifunc_plt_entry): New function.
697         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
698         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
699         R_386_IRELATIVE to switch.
700         (Target_i386::Scan::global): Likewise.
701         (Target_i386::Relocate::relocate): Likewise.
702         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
703         switch.
704         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
705         (Target_x86_64::do_plt_section_for_global): New function.
706         (Target_x86_64::do_plt_section_for_local): New function.
707         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
708         parameter; change all callers.  If doing a static link define
709         __rela_iplt_start and __rela_iplt_end.
710         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
711         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
712         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
713         to point to .plt.
714         (Target_x86_64::make_local_ifunc_plt_entry): New function.
715         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
716         switch.
717         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
718         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
719         R_X86_64_IRELATIVE to switch.
720         (Target_x86_64::Scan::global): Likewise.
721         (Target_x86_64::Relocate::relocate): Likewise.
722         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
723         switch.
724         * target.h (class Target): Add plt_section_for_global and
725         plt_section_for_local functions.  Add do_plt_section_for_global
726         and do_plt_section_for_local virtual functions.
727         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
728         clarifying comments.
729         (Symbol::use_plt_offset): Handle IFUNC symbol.
730         * object.cc (Sized_relobj::Sized_relobj): Initialize
731         local_plt_offsets_.
732         (Sized_relobj::local_has_plt_offset): New function.
733         (Sized_relobj::local_plt_offset): New function.
734         (Sized_relobj::set_local_plt_offset): New function.
735         (Sized_relobj::do_count): Handle IFUNC symbol.
736         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
737         a bit away from input_shndx_ field.  Add set_is_func_symbol and
738         is_ifunc_symbol functions.
739         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
740         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
741         local_plt_offsets_ field.
742         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
743         * output.h (class Output_section_data): Add non-const
744         output_section function.
745         (class Output_data_got): Update declarations.
746         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
747         Add use_plt_offset parameter to global and local constructors.
748         Change all callers.  Change local_sym_index_ field to 31 bits.
749         Change GSYM_CODE and CONSTANT_CODE accordingly.
750         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
751         doing a static link don't set sh_link field.
752         (Output_data_got::Got_entry::write): Use PLT offset if
753         appropriate.
754         (Output_data_got::add_global_plt): New function.
755         (Output_data_got::add_local_plt): New function.
756         * target-reloc.h (relocate_section): Handle IFUNC symbol.
757         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
758         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
759         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
760         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
761         IFUNC conditional.
762         * testsuite/ifunc-sel.h: New file.
763         * testsuite/ifuncmain1.c: New file.
764         * testsuite/ifuncmain1vis.c: New file.
765         * testsuite/ifuncmod1.c: New file.
766         * testsuite/ifuncdep2.c: New file.
767         * testsuite/ifuncmain2.c: New file.
768         * testsuite/ifuncmain3.c: New file.
769         * testsuite/ifuncmod3.c: New file.
770         * testsuite/ifuncmain4.c: New file.
771         * testsuite/ifuncmain5.c: New file.
772         * testsuite/ifuncmod5.c: New file.
773         * testsuite/ifuncmain6pie.c: New file.
774         * testsuite/ifuncmod6.c: New file.
775         * testsuite/ifuncmain7.c: New file.
776         * configure, testsuite/Makefile.in: Rebuild.
777
778 2010-08-18  Ian Lance Taylor  <iant@google.com>
779
780         * incremental.cc
781         (Output_section_incremental_inputs::write_input_files): Add cast
782         to avoid signed/unsigned comparison warning.
783         (Output_section_incremental_inputs::write_info_blocks): Likewise.
784
785 2010-08-12  Cary Coutant  <ccoutant@google.com>
786
787         * common.cc (Sort_commons::operator()): Remove unnecessary code.
788
789 2010-08-13  Ian Lance Taylor  <iant@google.com>
790
791         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
792
793 2010-08-12  Cary Coutant  <ccoutant@google.com>
794             Doug Kwan  <dougkwan@google.com>
795
796         * resolve.cc (Symbol_table::should_override): When a weak dynamic
797         defintion overrides non-weak undef, remember that the original undef
798         is not weak.
799         * symtab.cc (Symbol_table::sized_write_global): For undef without
800         an original weak binding, set binding to global in output.
801         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
802         * testsuite/Makefile.in: Regenerate.
803         * testsuite/strong_ref_weak_def.sh: New file.
804         * testsuite/strong_ref_weak_def_1.c: Ditto.
805         * testsuite/strong_ref_weak_def_2.c: Ditto.
806
807 2010-08-12  Cary Coutant  <ccoutant@google.com>
808
809         * testsuite/incremental_test.sh: Rewrite.
810         * testsuite/incremental_test_1.c: Rewrite.
811         * testsuite/incremental_test_2.c: Rewrite.
812
813 2010-08-12  Cary Coutant  <ccoutant@google.com>
814
815         * arm.cc (Target_arm::got_size): Add const.
816         (Target_arm::got_entry_count): New function.
817         (Target_arm::plt_entry_count): New function.
818         (Target_arm::first_plt_entry_offset): New function.
819         (Target_arm::plt_entry_size): New function.
820         (Output_data_plt_arm::entry_count): New function.
821         (Output_data_plt_arm::first_plt_entry_offset): New function.
822         (Output_data_plt_arm::get_plt_entry_size): New function.
823         * i386.cc (Target_i386::got_size): Add const.
824         (Target_i386::got_entry_count): New function.
825         (Target_i386::plt_entry_count): New function.
826         (Target_i386::first_plt_entry_offset): New function.
827         (Target_i386::plt_entry_size): New function.
828         (Output_data_plt_i386::entry_count): New function.
829         (Output_data_plt_i386::first_plt_entry_offset): New function.
830         (Output_data_plt_i386::get_plt_entry_size): New function.
831         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
832         find_incremental_inputs_sections.  Dump incremental_got_plt section.
833         * incremental.cc: Include target.h.
834         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
835         parameter.  Adjust all callers.  Find incremental_got_plt section.
836         (Incremental_inputs::create_data_sections): Create incremental_got_plt
837         section.
838         (Output_section_incremental_inputs::set_final_data_size): Calculate
839         size of incremental_got_plt section.
840         (Output_section_incremental_inputs::do_write): Write the
841         incremental_got_plt section.
842         (Got_plt_view_info): New struct.
843         (Local_got_offset_visitor): New class.
844         (Global_got_offset_visitor): New class.
845         (Global_symbol_visitor_got_plt): New class.
846         (Output_section_incremental_inputs::write_got_plt): New function.
847         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
848         Add parameter.  Adjust all callers.
849         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
850         (Incremental_inputs::got_plt_section): New function.
851         (Incremental_inputs::got_plt_section_): New data member.
852         (Incremental_got_plt_reader): New class.
853         * layout.cc (Layout::create_incremental_info_sections): Add the
854         incremental_got_plt section.
855         * object.h (Got_offset_list::get_list): New function.
856         (Got offset_list::for_all_got_offsets): New function.
857         (Sized_relobj::local_got_offset_list): New function.
858         * powerpc.cc (Target_powerpc::got_size): Add const.
859         (Target_powerpc::got_entry_count): New function.
860         (Target_powerpc::plt_entry_count): New function.
861         (Target_powerpc::first_plt_entry_offset): New function.
862         (Target_powerpc::plt_entry_size): New function.
863         (Output_data_plt_powerpc::entry_count): New function.
864         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
865         (Output_data_plt_powerpc::get_plt_entry_size): New function.
866         * sparc.cc (Target_sparc::got_size): Add const.
867         (Target_sparc::got_entry_count): New function.
868         (Target_sparc::plt_entry_count): New function.
869         (Target_sparc::first_plt_entry_offset): New function.
870         (Target_sparc::plt_entry_size): New function.
871         (Output_data_plt_sparc::entry_count): New function.
872         (Output_data_plt_sparc::first_plt_entry_offset): New function.
873         (Output_data_plt_sparc::get_plt_entry_size): New function.
874         * symtab.h (Symbol::got_offset_list): New function.
875         (Symbol_table::for_all_symbols): New function.
876         * target.h (Sized_target::got_entry_count): New function.
877         (Sized_target::plt_entry_count): New function.
878         (Sized_target::plt_entry_size): New function.
879         * x86_64.cc (Target_x86_64::got_size): Add const.
880         (Target_x86_64::got_entry_count): New function.
881         (Target_x86_64::plt_entry_count): New function.
882         (Target_x86_64::first_plt_entry_offset): New function.
883         (Target_x86_64::plt_entry_size): New function.
884         (Output_data_plt_x86_64::entry_count): New function.
885         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
886         (Output_data_plt_x86_64::get_plt_entry_size): New function.
887
888 2010-08-12  Cary Coutant  <ccoutant@google.com>
889
890         * archive.cc: Include incremental.h.
891         (Archive::Archive): Initialize incremental_info_.
892         (Archive::include_member): Record archive members in incremental info.
893         (Add_archive_symbols::run): Record begin and end of an archive in
894         incremental info.
895         (Lib_group::include_member): Record objects in incremental info.
896         * archive.h (Incremental_archive_entry): Forward declaration.
897         (Archive::set_incremental_info): New member function.
898         (Archive::incremental_info): New member function.
899         (Archive::Unused_symbol_iterator): New class.
900         (Archive::unused_symbols_begin): New member function.
901         (Archive::unused_symbols_end): New member function.
902         (Archive::incremental_info_): New data member.
903         * incremental-dump.cc (find_input_containing_global): New function.
904         (dump_incremental_inputs): Dump new incremental info sections.
905         * incremental.cc: Include symtab.h.
906         (Output_section_incremental_inputs): New class.
907         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
908         new incremental info sections.
909         (Sized_incremental_binary::do_check_inputs): Likewise.
910         (Incremental_inputs::report_archive): Remove.
911         (Incremental_inputs::report_archive_begin): New function.
912         (Incremental_inputs::report_archive_end): New function.
913         (Incremental_inputs::report_object): New function.
914         (Incremental_inputs::finalize_inputs): Remove.
915         (Incremental_inputs::report_input_section): New function.
916         (Incremental_inputs::report_script): Rewrite.
917         (Incremental_inputs::finalize): Do nothing but finalize string table.
918         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
919         (Incremental_inputs::sized_create_inputs_section_data): Remove.
920         (Incremental_inputs::create_data_sections): New function.
921         (Incremental_inputs::relocs_entsize): New function.
922         (Output_section_incremental_inputs::set_final_data_size): New function.
923         (Output_section_incremental_inputs::do_write): New function.
924         (Output_section_incremental_inputs::write_header): New function.
925         (Output_section_incremental_inputs::write_input_files): New function.
926         (Output_section_incremental_inputs::write_info_blocks): New function.
927         (Output_section_incremental_inputs::write_symtab): New function.
928         * incremental.h (Incremental_script_entry): Forward declaration.
929         (Incremental_object_entry): Forward declaration.
930         (Incremental_archive_entry): Forward declaration.
931         (Incremental_inputs): Forward declaration.
932         (Incremental_inputs_header_data): Remove.
933         (Incremental_inputs_header): Remove.
934         (Incremental_inputs_header_write): Remove.
935         (Incremental_inputs_entry_data): Remove.
936         (Incremental_inputs_entry): Remove.
937         (Incremental_inputs_entry_write): Remove.
938         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
939         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
940         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
941         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
942         Likewise.
943         (Incremental_input_entry): New class.
944         (Incremental_script_entry): New class.
945         (Incremental_object_entry): New class.
946         (Incremental_archive_entry): New class.
947         (Incremental_inputs::Incremental_inputs): Initialize new data members.
948         (Incremental_inputs::report_inputs): Remove.
949         (Incremental_inputs::report_archive): Remove.
950         (Incremental_inputs::report_archive_begin): New function.
951         (Incremental_inputs::report_archive_end): New function.
952         (Incremental_inputs::report_object): Change prototype.
953         (Incremental_inputs::report_input_section): New function.
954         (Incremental_inputs::report_script): Change prototype.
955         (Incremental_inputs::get_reloc_count): New function.
956         (Incremental_inputs::set_reloc_count): New function.
957         (Incremental_inputs::create_data_sections): New function.
958         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
959         (Incremental_inputs::inputs_section): New function.
960         (Incremental_inputs::symtab_section): New function.
961         (Incremental_inputs::relocs_section): New function.
962         (Incremental_inputs::get_stringpool): Add const.
963         (Incremental_inputs::command_line): Add const.
964         (Incremental_inputs::inputs): Remove.
965         (Incremental_inputs::command_line_key): New function.
966         (Incremental_inputs::input_file_count): New function.
967         (Incremental_inputs::input_files): New function.
968         (Incremental_inputs::relocs_entsize): New function.
969         (Incremental_inputs::sized_create_inputs_section_data): Remove.
970         (Incremental_inputs::finalize_inputs): Remove.
971         (Incremental_inputs::Input_info): Remove.
972         (Incremental_inputs::lock_): Remove.
973         (Incremental_inputs::inputs_): Change type.
974         (Incremental_inputs::inputs_map_): Remove.
975         (Incremental_inputs::current_object_entry_): New data member.
976         (Incremental_inputs::inputs_section_): New data member.
977         (Incremental_inputs::symtab_section_): New data member.
978         (Incremental_inputs::relocs_section_): New data member.
979         (Incremental_inputs::reloc_count_): New data member.
980         (Incremental_inputs_reader): New class.
981         (Incremental_symtab_reader): New class.
982         (Incremental_relocs_reader): New class.
983         * layout.cc (Layout::finalize): Move finalization of incremental info
984         and creation of incremental info sections to follow finalization of
985         symbol table.  Set offsets for postprocessing sections.
986         (Layout::create_incremental_info_sections): Call
987         Incremental_inputs::create_data_sections.  Add incremental symtab
988         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
989         sections to layout after input sections.
990         * layout.h (struct Timespec): Forward declaration.
991         (Layout::incremental_inputs): Add const.
992         (Layout::create_incremental_info_sections): Add parameter.
993         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
994         * object.cc: Include incremental.h.
995         (Relobj::finalize_incremental_relocs): New function.
996         (Sized_relobj::do_layout): Record input sections in incremental info.
997         * object.h (Object::output_section): New function.
998         (Object::output_section_offset): Moved from Relobj.
999         (Object::get_incremental_reloc_base): New function.
1000         (Object::get_incremental_reloc_count): New function.
1001         (Object::do_output_section): New function.
1002         (Object::do_output_section_offset): Moved from Relobj.
1003         (Object::do_get_incremental_reloc_base): New function.
1004         (Object::do_get_incremental_reloc_count): New function.
1005         (Object::Object): Initialize new data members.
1006         (Relobj::output_section): Renamed do_output_section and moved to
1007         protected.
1008         (Relobj::output_section_offset): Moved to Object.
1009         (Relobj::do_get_incremental_reloc_base): New function.
1010         (Relobj::do_get_incremental_reloc_count): New function.
1011         (Relobj::allocate_incremental_reloc_counts): New function.
1012         (Relobj::count_incremental_reloc): New function.
1013         (Relobj::finalize_incremental_relocs): New function.
1014         (Relobj::next_incremental_reloc_index): New function.
1015         (Relobj::reloc_counts_): New data member.
1016         (Relobj::reloc_bases_): New data member.
1017         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1018         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1019         (Sized_relobj::incremental_relocs_scan): New function.
1020         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1021         (Sized_relobj::incremental_relocs_write): New function.
1022         (Sized_relobj::incremental_relocs_write_reltype): New function.
1023         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1024         incremental link.
1025         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1026         archives and object files elsewhere.
1027         (Add_symbols::run): Report object files here.
1028         (Finish_group::run): Report end of archive at end of group.
1029         * reloc.cc: Include layout.h, incremental.h.
1030         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1031         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1032         (Sized_relobj::incremental_relocs_scan): New function.
1033         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1034         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1035         (Sized_relobj::incremental_relocs_write): New function.
1036         (Sized_relobj::incremental_relocs_write_reltype): New function.
1037         * script.cc (read_input_script): Rewrite test for incremental link.
1038         Change call to Incremental_inputs::report_script.
1039         * symtab.h (Symbol_table::first_global_index): New function.
1040         (Symbol_table::output_count): New function.
1041
1042 2010-08-12  Doug Kwan  <dougkwan@google.com>
1043
1044         * arm.cc (Target_arm::merge_object_attributes): Check command line
1045         options --no-wchar-size-warning and --no-enum-size-warning.
1046         * options.h (General_options): Add ld-compatible options
1047         --no-enum-size-warning and --no-wchar-size-warning.
1048
1049 2010-08-04  Ian Lance Taylor  <iant@google.com>
1050
1051         * x86_64.cc (Target_x86_64::Scan::local): Use
1052         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1053         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1054         (Target_x86_64::Scan::global): Likewise.
1055         (Target_x86_64::Relocate::relocate): Likewise.
1056         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1057         Likewise.
1058
1059 2010-08-03  Cary Coutant  <ccoutant@google.com>
1060
1061         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1062         to reserve space in merged_strings vector. Keep total input size
1063         for stats.
1064         (Output_merge_string::do_print_merge_stats): Print total input size.
1065         * merge.h (Output_merge_string): Add input_size_ field.
1066         * stringpool.cc (Stringpool_template::string_length): Move
1067         implementations out of Stringpool_template class and place in
1068         stringpool.h.
1069         * stringpool.h (string_length): Move out of Stringpool_template.
1070
1071 2010-08-03  Ian Lance Taylor  <iant@google.com>
1072
1073         PR 11712
1074         * layout.cc (relaxation_loop_body): If address of load segment is
1075         set, adjust address to include headers if possible.
1076
1077 2010-08-03  Ian Lance Taylor  <iant@google.com>
1078
1079         * version.cc (version_string): Bump to 1.10.
1080
1081 2010-08-03  Ian Lance Taylor  <iant@google.com>
1082
1083         PR 11805
1084         * layout.h (enum Output_section_order): Define.
1085         (class Layout): Update declarations.
1086         * layout.cc (Layout::get_output_section): Add order parameter.
1087         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1088         is_first_non_relro parameters.  Change all callers.
1089         (Layout::choose_output_section): Likewise.
1090         (Layout::add_output_section_data): Likewise.
1091         (Layout::make_output_section): Likewise.  Set order.
1092         (Layout::default_section_order): New function.
1093         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1094         * output.cc (Output_section::Output_section): Initialize order_.
1095         Don't initialize deleted fields.
1096         (Output_segment::Output_segment): Don't initialize deleted
1097         fields.
1098         (Output_segment::add_output_section_to_load): New function
1099         replacing add_output_section.  Change all callers to call this or
1100         add_output_section_to_nonload.
1101         (Output_segment::add_output_section_to_nonload): New function.
1102         (Output_segment::remove_output_section): Rewrite.
1103         (Output_segment::add_initial_output_data): Likewise.
1104         (Output_segment::has_any_data_sections): Likewise.
1105         (Output_segment::is_first_section_relro): Likewise.
1106         (Output_segment::maximum_alignment): Likewise.
1107         (Output_segment::has_dynamic_reloc): New function replacing
1108         dynamic_reloc_count.  Change all callers.
1109         (Output_segment::has_dynamic_reloc_list): New function replacing
1110         dynamic_reloc_count_list.  Change all callers.
1111         (Output_segment::set_section_addresses): Rewrite.
1112         (Output_segment::set_offset): Rewrite.
1113         (Output_segment::find_first_and_last_list): Remove.
1114         (Output_segment::set_tls_offsets): Rewrite.
1115         (Output_segment::first_section_load_address): Likewise.
1116         (Output_segment::output_section_count): Likewise.
1117         (Output_segment::section_with_lowest_load_address): Likewise.
1118         (Output_segment::write_section_headers): Likewise.
1119         (Output_segment::print_sections_to_map): Likewise.
1120         * output.h (class Output_data): Remove dynamic_reloc_count_
1121         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1122         (Output_data::add_dynamic_reloc): Rewrite.
1123         (Output_data::has_dynamic_reloc): New function.
1124         (Output_data::dynamic_reloc_count): Remove.
1125         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1126         is_last_relro_, is_first_non_relro_, is_interp_,
1127         is_dynamic_linker_section_ fields.  Add order and set_order
1128         functions.  Remove is_relro_local, set_is_relro_local,
1129         is_last_relro, set_is_last_relro, is_first_non_relro,
1130         set_is_first_non_relro functions, is_interp, set_is_interp,
1131         is_dynamic_linker_section, and set_is_dynamic_linker_section
1132         functions.
1133         (class Output_segment): Change Output_data_list from std::list to
1134         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1135         output_bss_ fields.  Update declarations.
1136
1137 2010-08-02  Ian Lance Taylor  <iant@google.com>
1138
1139         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1140         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1141         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1142
1143 2010-08-02  Ian Lance Taylor  <iant@google.com>
1144
1145         PR 11855
1146         * script.cc (Script_options::Script_options): Initialize
1147         symbol_definitions_ and symbol_references_.
1148         (Script_options::add_symbol_assignment): Update
1149         symbol_definitions_ and symbol_references_.
1150         (Script_options::add_symbol_reference): New function.
1151         (script_symbol): New function.
1152         * script.h (class Script_options): Add symbol_definitions_ and
1153         symbol_references_ fields.
1154         (Script_options::referenced_const_iterator): New type.
1155         (Script_options::referenced_begin): New function.
1156         (Script_options::referenced_end): New function.
1157         (Script_options::is_referenced): New function.
1158         (Script_options::any_unreferenced): New function.
1159         * script-c.h (script_symbol): Declare.
1160         * yyscript.y (exp): Call script_symbol.
1161         * symtab.cc: Include "script.h".
1162         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1163         Change all callers.  Check symbols referenced by scripts.
1164         (Symbol_table::add_undefined_symbols_from_command_line): Add
1165         layout parameter.  Change all callers.
1166         (Symbol_table::do_add_undefined_symbols_from_command_line):
1167         Likewise.  Break out loop body.  Check symbols referenced by
1168         scripts.
1169         (Symbol_table::add_undefined_symbol_from_command_line): New
1170         function broken out of
1171         do_add_undefined_symbols_from_command_line.
1172         * symtab.h (class Symbol_table): Update declarations.
1173         * archive.cc: Include "layout.h".
1174         (Archive::should_include_member): Add layout parameter.  Change
1175         all callers.  Check for symbol mentioned in expression.
1176         * archive.h (class Archive): Update declaration.
1177         * object.cc (Sized_relobj::do_should_include_member): Add layout
1178         parameter.
1179         * object.h (Object::should_include_member): Add layout parameter.
1180         Change all callers.
1181         (Object::do_should_include_member): Add layout parameter.
1182         (class Sized_relobj): Update declaration.
1183         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1184         parameter.
1185         * dynobj.h (class Sized_dynobj): Update declaration.
1186         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1187         layout parameter.
1188         * plugin.h (class Sized_pluginobj): Update declaration.
1189
1190 2010-08-02  Ian Lance Taylor  <iant@google.com>
1191
1192         PR 11866
1193         * output.cc (Output_segment::set_offset): Search for the first and
1194         last sections rather than assuming that the list is in order.
1195         (Output_segment::find_first_and_last_list): New function.
1196         * output.h (class Output_segment): Update declarations.
1197         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1198         (relro_strip_test_SOURCES): New variable.
1199         (relro_strip_test_DEPENDENCIES): New variable.
1200         (relro_strip_test_LDFLAGS): New variable.
1201         (relro_strip_test_LDADD): New variable.
1202         (relro_strip_test.so): New target.
1203
1204 2010-08-02  Ian Lance Taylor  <iant@google.com>
1205
1206         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1207         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1208         (Target_i386::got_tlsdesc_section): New function.
1209         (Target_i386::got_section): Create space for GOT entries for
1210         TLSDESC relocations.
1211         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1212         R_386_TLS_GOTDESC.
1213         (Target_i386::Scan::global): Likewise.
1214         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1215         using TLSDESC GOT.
1216         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1217         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1218         (Target_x86_64::got_tlsdesc_section): New function.
1219         (Target_x86_64::got_section): Create space for GOT entries for
1220         TLSDESC relocations.
1221         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1222         R_386_TLS_GOTDESC.
1223         (Target_x86_64::Scan::global): Likewise.
1224         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1225         using TLSDESC GOT.
1226
1227 2010-08-02  Ian Lance Taylor  <iant@google.com>
1228
1229         * testsuite/final_layout.sh: Use dc to convert from hex to
1230         decimal.
1231
1232 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1233
1234         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1235         paramter to the call to gold::gc_process_relocs.
1236         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1237         paramter to the call to gold::gc_process_relocs.
1238         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1239         parameter to the call to gold::gc_process_relocs.
1240         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1241         template parameter to the call to gold::gc_process_relocs.
1242         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1243         paramter to the call to gold::gc_process_relocs.
1244         * gc.h (get_embedded_addend_size): New function.
1245         (gc_process_relocs): Save the size of the reloc for use by ICF.
1246         * icf.cc (get_section_contents): Get the addend from the text section
1247         for SHT_REL relocation sections.
1248         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1249         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1250         * int_encoding.h (read_from_pointer): New overloaded function.
1251         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1252         * testsuite/icf_sht_rel_addend_test.sh: New file.
1253         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1254         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1255
1256 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1257
1258         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1259         * Makefile.in: Regenerate.
1260         * testsuite/Makefile.in: Regenerate.
1261
1262 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1263
1264         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1265         * gold/testsuite/debug_msg.cc: Likewise.
1266         * gold/testsuite/odr_violation1.cc
1267         * gold/testsuite/odr_violation2.cc
1268
1269 2010-07-21  Cary Coutant  <ccoutant@google.com>
1270
1271         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1272         string, and length fields.
1273         (Output_merge_string::Merged_strings_list): New type.
1274         (Output_merge_string::Merged_strings_lists): New typedef.
1275         (Output_merge_string): Replace merged_strings_ with
1276         merged_strings_lists_.
1277         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1278         Merged_strings_list per input object and section.  Don't store pointer
1279         to the string.  Don't store length with each merged string entry.
1280         (Output_merge_string::finalize_merged_data): Loop over list of merged
1281         strings lists.  Recompute length of each merged string.
1282
1283 2010-07-15  Cary Coutant  <ccoutant@google.com>
1284
1285         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1286         here.
1287
1288 2010-07-14  Ian Lance Taylor  <iant@google.com>
1289
1290         * descriptors.cc (Descriptors::open): Report correct name in error
1291         message.
1292
1293 2010-07-13  Doug Kwan  <dougkwan@google.com>
1294
1295         * arm.cc (Arm_input_section::Arm_input_section): For a
1296         SHT_ARM_EXIDX section, always keeps the input sections.
1297         (Arm_input_section::set_exidx_section_link): New method.
1298         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1299         has_errors_ to false.
1300         (Arm_exidx_input_section::has_errors,
1301         Arm_exidx_input_section::set_has_errors): New methods.
1302         (Arm_exidx_input_section::has_errors_): New data member.
1303         (Arm_relobj::get_exidx_shndx_list): New method.
1304         (Arm_output_section::append_text_sections_to_list): Do not skip
1305         section without SHF_EXECINSTR.
1306         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1307         errors.
1308         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1309         section header.  Make error messages more verbose.  Check for
1310         a non-executable section linked to an EXIDX section.
1311         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1312         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1313         check that there is no deferred EXIDX section if we exit early.
1314         Instead of not making an EXIDX section in case of an error, make one
1315         and set the has_errors flag of it.
1316         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1317         in a relocatable link.
1318         (Target_arm::do_relax): Look for the EXIDX output section instead of
1319         assuming that it is called .ARM.exidx.
1320         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1321         section list.  Do not check for SHF_EXECINSTR section flags but
1322         skip any input section with errors.
1323         * output.cc (Output_section::Output_section): Initialize
1324         always_keeps_input_sections_ to false.
1325         (Output_section::add_input_section): Check for
1326         always_keeps_input_sections_.
1327         *  output.h (Output_section::always_keeps_input_sections,
1328         Output_section::set_always_keeps_input_sections): New methods.
1329         (Output_section::always_keeps_input_sections): New data member.
1330
1331 2010-07-13  Rafael Espindola  <espindola@google.com>
1332
1333         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1334         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1335
1336 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1337             Ian Lance Taylor  <iant@google.com>
1338
1339         * output.h (Output_section_lookup_maps::add_merge_section):
1340         Correct check of whether value was inserted.
1341         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1342         (Output_section_lookup_maps::add_relaxed_input_section):
1343         Likewise.
1344         * arm.cc (Target_arm::got_section): Remove used local os.
1345         * i386.cc (Target_i386::got_section): Likewise.
1346         * x86_64.cc (Target_x86_64::got_section): Likewise.
1347         * sparc.cc (Target_sparc::got_section): Likewise.
1348         (Target_sparc::relocate): Remove unused local have_got_offset.
1349         * powerpc.cc (Target_powerpc::relocate): Likewise.
1350
1351 2010-07-13  Ian Lance Taylor  <iant@google.com>
1352
1353         * compressed_output.cc (zlib_decompress): Fix signature in
1354         !HAVE_ZLIB_H case.
1355
1356         * archive.cc (Archive::include_member): Unlock an external member
1357         of a thin archive.  Don't bother to delete an object we know is
1358         NULL.
1359
1360 2010-07-12  Cary Coutant  <ccoutant@google.com>
1361
1362         * compressed_output.cc (zlib_decompress): New function.
1363         (get_uncompressed_size): New function.
1364         (decompress_input_section): New function.
1365         * compressed_output.h (get_uncompressed_size): New function.
1366         (decompress_input_section): New function.
1367         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1368         Handle compressed debug sections.
1369         * layout.cc (is_compressed_debug_section): New function.
1370         (Layout::output_section_name): Map compressed section names to
1371         canonical names.
1372         * layout.h (is_compressed_debug_section): New function.
1373         (is_debug_info_section): Recognize compressed debug sections.
1374         * merge.cc: Include compressed_output.h.
1375         (Output_merge_data::do_add_input_section): Handle compressed
1376         debug sections.
1377         (Output_merge_string::do_add_input_section): Handle compressed
1378         debug sections.
1379         * object.cc: Include compressed_output.h.
1380         (Sized_relobj::Sized_relobj): Initialize new data members.
1381         (build_compressed_section_map): New function.
1382         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1383         * object.h (Object::section_is_compressed): New method.
1384         (Object::do_section_is_compressed): New method.
1385         (Sized_relobj::Compressed_section_map): New type.
1386         (Sized_relobj::do_section_is_compressed): New method.
1387         (Sized_relobj::compressed_sections_): New data member.
1388         * output.cc (Output_section::add_input_section): Handle compressed
1389         debug sections.
1390         * reloc.cc: Include compressed_output.h.
1391         (Sized_relobj::write_sections): Handle compressed debug sections.
1392
1393 2010-07-08  Cary Coutant  <ccoutant@google.com>
1394
1395         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1396         weak when resolving to a dynamic def.
1397         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1398         for weak undef/dynamic def cases. Adjust callers.
1399         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1400         undef_binding_weak_.
1401         (Symbol_table::sized_write_globals): Adjust symbol binding.
1402         (Symbol_table::sized_write_symbol): Add binding parameter.
1403         * symtab.h (Symbol::set_undef_binding): New method.
1404         (Symbol::is_undef_binding_weak): New method.
1405         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1406         (Symbol_table::should_override): Add new parameter.
1407         (Symbol_table::sized_write_symbol): Add new parameter.
1408
1409         * testsuite/weak_undef_file1.cc: Add new test case.
1410         * testsuite/weak_undef_file2.cc: Fix header comment.
1411         * testsuite/weak_undef_test.cc: Add new test case.
1412
1413 2010-06-29  Doug Kwan  <dougkwan@google.com>
1414
1415         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1416         Initialize USE_SYMBOL_.
1417         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1418         definition.
1419         (Arm_reloc_property::uses_symbol_): New data member declaration.
1420         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1421         uses symbol value and symbol is undefined but not weakly undefined.
1422
1423 2010-06-28  Rafael Espindola  <espindola@google.com>
1424
1425         * plugin.cc (Plugin::load): Use dlerror.
1426
1427 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1428
1429         * symtab.cc (detect_odr_violations): When reporting an ODR
1430         violation, report an object where the symbol is defined.
1431
1432 2010-06-25  Doug Kwan  <dougkwan@google.com>
1433
1434         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1435         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1436         definition.
1437         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1438         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1439         target hook to detect function points.
1440         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1441         * icf.h (Icf::check_section_for_function_pointers): Change type of
1442         parameter SECTION_NAME to const reference to std::string.  Use
1443         target hook to determine if section may have unsafe pointers.
1444         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1445         method definition.
1446
1447 2010-06-21  Rafael Espindola  <espindola@google.com>
1448
1449         * fileread.cc (Input_file::find_fie): New
1450         (Input_file::open): Use Input_file::find_fie.
1451         * fileread.h (Input_file::find_fie): New
1452         * plugin.cc (set_extra_library_path): New.
1453         (Plugin::load): Add set_extra_library_path to the transfer vector.
1454         (Plugin_manager::set_extra_library_path): New.
1455         (Plugin_manager::add_input_file): Use the extra search path if set.
1456         (set_extra_library_path(): New.
1457         * plugin.h (Plugin_manager): Add set_extra_library_path and
1458         extra_search_path_.
1459
1460 2010-06-19  Cary Coutant  <ccoutant@google.com>
1461
1462         * layout.cc (gdb_sections): Add .debug_types.
1463         (lines_only_debug_sections): Likewise.
1464
1465 2010-06-18  Rafael Espindola  <espindola@google.com>
1466
1467         * plugin.cc (add_input_file,add_input_library)
1468         (Plugin_manager::add_input_file): Make filename arguments const.
1469         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1470         const.
1471
1472 2010-06-16  Doug Kwan  <dougkwan@google.com>
1473
1474         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1475         .ARM.attributes section if we have not merged any input
1476         attributes sections.
1477
1478 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1479
1480         * arm.cc: Allow combining objects with no EABI version
1481         information.
1482
1483 2010-06-15  Rafael Espindola  <espindola@google.com>
1484
1485         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1486
1487 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1488
1489         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1490         (struct iovec): Correct !HAVE_READV definition.
1491
1492 2010-06-10  Cary Coutant  <ccoutant@google.com>
1493
1494         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1495         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1496         reloc sections.
1497         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1498
1499         PR 11683
1500         * symtab.h (Symbol::is_placeholder): New member function.
1501         * target-reloc.h (relocate_section): Check for placeholder symbols.
1502
1503         * testsuite/Makefile.am (plugin_test_8): New test.
1504         (plugin_test_9): New test.
1505         * testsuite/Makefile.in: Regenerate.
1506
1507 2010-06-09  Nick Clifton  <nickc@redhat.com>
1508
1509         * yyscript.y (input_list_element): Allow strings prefixed with
1510         the '-' character.  Treat these as libraries.
1511         * script.cc (script_add_library): New function.  Adds a library
1512         specified by "-l<name>" found in an input script.
1513         * script-c.h: Add prototype for script_add_library.
1514
1515 2010-06-07  Doug Kwan  <dougkwan@google.com>
1516
1517         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1518         Restrict stub-group size to be within long conditional branch
1519         range when working around cortex-A8 erratum.
1520
1521 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1522
1523         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1524         #ifdef typo.
1525
1526 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1527
1528         PR gold/11658
1529         * output.cc
1530         (Output_section::Input_section_sort_entry::compare_section_ordering):
1531         Change to return non-zero correctly.
1532         (Output_section::Input_section_sort_section_order_index_compare
1533         ::operator()): Change to fix ambiguity in comparisons.
1534
1535 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1536
1537         * gold.h (is_wildcard_string): New function.
1538         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1539         (Layout::layout_eh_frame): Ditto.
1540         (Layout::find_section_order_index): New method.
1541         (Layout::read_layout_from_file): New method.
1542         * layout.h (Layout::find_section_order_index): New method.
1543         (Layout::read_layout_from_file): New method.
1544         (Layout::input_section_position_): New private member.
1545         (Layout::input_section_glob_): New private member.
1546         * main.cc (main): Call read_layout_from_file here.
1547         * options.h (--section-ordering-file): New option.
1548         * output.cc (Output_section::input_section_order_specified_): New
1549         member.
1550         (Output_section::Output_section): Initialize new member.
1551         (Output_section::add_input_section): Add new parameter.
1552         Keep input sections when --section-ordering-file is used.
1553         (Output_section::set_final_data_size): Sort input sections when
1554         section ordering file is specified.
1555         (Output_section::Input_section_sort_entry): Add new parameter.
1556         Check sorting type.
1557         (Output_section::Input_section_sort_entry::compare_section_ordering):
1558         New method.
1559         (Output_section::Input_section_sort_compare::operator()): Change to
1560         consider section_order_index.
1561         (Output_section::Input_section_sort_init_fini_compare::operator()):
1562         Change to consider section_order_index.
1563         (Output_section::Input_section_sort_section_order_index_compare
1564         ::operator()): New method.
1565         (Output_section::sort_attached_input_sections): Change to sort
1566         according to section order when specified.
1567         (Output_section::add_input_section<32, true>): Add new parameter.
1568         (Output_section::add_input_section<64, true>): Add new parameter.
1569         (Output_section::add_input_section<32, false>): Add new parameter.
1570         (Output_section::add_input_section<64, false>): Add new parameter.
1571         * output.h (Output_section::add_input_section): Add new parameter.
1572         (Output_section::input_section_order_specified): New
1573         method.
1574         (Output_section::set_input_section_order_specified): New method.
1575         (Input_section::Input_section): Initialize section_order_index_.
1576         (Input_section::section_order_index): New method.
1577         (Input_section::set_section_order_index): New method.
1578         (Input_section::section_order_index_): New member.
1579         (Input_section::Input_section_sort_section_order_index_compare): New
1580         struct.
1581         (Output_section::input_section_order_specified_): New member.
1582         * script-sections.cc (is_wildcard_string): Delete and move modified
1583         method to gold.h.
1584         (Output_section_element_input::Output_section_element_input): Modify
1585         call to is_wildcard_string.
1586         (Output_section_element_input::Input_section_pattern
1587         ::Input_section_pattern): Ditto.
1588         (Output_section_element_input::Output_section_element_input): Ditto.
1589         * testsuite/Makefile.am (final_layout): New test case.
1590         * testsuite/Makefile.in: Regenerate.
1591         * testsuite/final_layout.cc: New file.
1592         * testsuite/final_layout.sh: New file.
1593
1594 2010-06-01  Rafael Espindola  <espindola@google.com>
1595
1596         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1597
1598 2010-06-01  Rafael Espindola  <espindola@google.com>
1599
1600         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1601         visibility of symbols.
1602
1603 2010-05-27  Doug Kwan  <dougkwan@google.com>
1604
1605         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1606         from start of output section instead of address for a local symbol
1607         in a merged or relaxed section when doing a relocatable link.
1608
1609 2010-05-26  Rafael Espindola  <espindola@google.com>
1610
1611        PR 11604
1612         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1613         adding sections the garbage collector removed.
1614         * gold/testsuite/Makefile.am: Add test.
1615         * gold/testsuite/Makefile.in: Regenerate.
1616         * gold/testsuite/plugin_test_7.sh: New.
1617         * gold/testsuite/plugin_test_7_1.c: New.
1618         * gold/testsuite/plugin_test_7_2.c: New.
1619
1620 2010-05-26  Rafael Espindola  <espindola@google.com>
1621
1622         * script-sections.cc (Output_section_definition::set_section_addresses):
1623         Check for --section-start.
1624
1625 2010-05-26  Doug Kwan  <dougkwan@google.com>
1626
1627         * arm.cc (Arm_scan_relocatable_relocs): New class.
1628         (Target_arm::relocate_special_relocatable): New method.
1629         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1630         (Arm_relocate_functions::thumb_branch_common): Same.
1631         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1632         instead of Default_scan_relocatable_relocs.
1633         * target-reloc.h (relocate_for_relocatable): Let target handle
1634         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1635         * target.h (Sized_target::relocate_special_relocatable): New method.
1636
1637 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1638
1639         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1640
1641 2010-05-23  Doug Kwan  <dougkwan@google.com>
1642
1643         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1644         instead of a cast.
1645         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1646         with a direct branch, not a conditional branch, to a stub.
1647         * merge.cc (Output_merge_base::record_input_section): New method
1648         defintion.
1649         (Output_merge_data::do_add_input_section): Record input section if
1650         keeps-input-sections flag is set.
1651         (Output_merge_string::do_add_input_section): Ditto.
1652         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1653         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1654         INPUT_SECTIONS_.
1655         (Output_merge_base::keeps_input_sections,
1656         Output_merge_base::set_keeps_input_sections,
1657         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1658         method definitions.
1659         (Output_merge_base::Input_sections): New type declaration.
1660         (Output_merge_base::input_sections_begin,
1661         Output_merge_base::input_sections_end,
1662         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1663         (Output_merge_base::bool keeps_input_sections_,
1664         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1665         Output_merge_base::input_sections_): New data members.
1666         (Output_merge_data::do_set_keeps_input_sections): New method
1667         defintion.
1668         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1669         * output.cc (Output_section::Input_section::relobj): Move method
1670         defintion from class declaration to here and handle merge sections.
1671         (Output_section::Input_section::shndx): Ditto.
1672         (Output_section::Output_section): Remove initializations of removed
1673         data members and initialize new data member LOOKUP_MAPS_.
1674         (Output_section::add_input_section): Set keeps-input-sections flag
1675         for a newly created merge output section as appropriate.  Adjust code
1676         to use Output_section_lookup_maps class.
1677         (Output_section::add_relaxed_input_section): Adjst code for lookup
1678         maps code refactoring.
1679         (Output_section::add_merge_input_section): Add a new parameter
1680         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1681         class.  If adding input section to a newly created merge output
1682         section fails, remove the new merge section.
1683         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1684         Adjust code for use of the Output_section_lookup_maps class.
1685         (Output_section::find_merge_section): Ditto.
1686         (Output_section::build_lookup_maps): New method defintion.
1687         (Output_section::find_relaxed_input_section): Adjust code to use
1688         Output_section_lookup_maps class.
1689         (Output_section::get_input_sections): Export merge sections.  Adjust
1690         code to use Output_section_lookup_maps class.
1691         (Output_section:::add_script_input_section): Adjust code to use
1692         Output_section_lookup_maps class.  Update lookup maps for merge
1693         sections also.
1694         (Output_section::discard_states): Use Output_section_lookup_maps.
1695         (Output_section::restore_states): Same.
1696         * output.h (Merge_section_properties): Move class defintion out of
1697         Output_section.
1698         (Output_section_lookup_maps): New class.
1699         (Output_section::Input_section::is_merge_section): New method
1700         defintion.
1701         (Output_section::Input_section::relobj): Move defintion out of class
1702         defintion.  Declare method only.
1703         (Output_section::Input_section::shndx): Ditto.
1704         (Output_section::Input_section::output_merge_base): New method defintion.
1705         (Output_section::Input_section::u2_.pomb): New union field.
1706         (Output_section::Merge_section_by_properties_map,
1707         Output_section::Output_section_data_by_input_section_map,
1708         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1709         Remove types.
1710         (Output_section::add_merge_input_section): Add new parameter
1711         KEEPS_INPUT_SECTIONS.
1712         (Output_section::build_lookup_maps): New method declaration.
1713         (Output_section::merge_section_map_,
1714         Output_section::merge_section_by_properties_map_,
1715         Output_section::relaxed_input_section_map_,
1716         Output_section::is_relaxed_input_section_map_valid_): Remove data
1717         members.
1718         (Output_section::lookup_maps_): New data member.
1719
1720 2010-05-21  Doug Kwan  <dougkwan@google.com>
1721
1722         PR gold/11619
1723         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1724         avoid a compilation error.
1725
1726 2010-05-19  Rafael Espindola  <espindola@google.com>
1727
1728         * script-sections.cc (Output_section_definition::allocate_to_segment):
1729         Update the phdrs_list even when the output section is NULL.
1730         * testsuite/Makefile.am: Add test.
1731         * testsuite/Makefile.in: Regenerate.
1732         * testsuite/script_test_9.cc: New.
1733         * testsuite/script_test_9.sh: New.
1734         * testsuite/script_test_9.t: New.
1735
1736 2010-05-19  Doug Kwan  <dougkwan@google.com>
1737
1738         * arm.cc (Arm_input_section::original_size): New method.
1739         (Arm_input_section::do_addralign): Add a cast.
1740         (Arm_input_section::do_output_offset): Remove static cast.
1741         (Arm_input_section::original_addralign,
1742          Arm_input_section::original_size_): Change type to uint32_t.
1743         (Arm_input_section::init): Add safe casts for section alignment
1744         and size.
1745         (Arm_input_section::set_final_data_size): Do not set address and
1746         offset of stub table.
1747         (Arm_output_section::fix_exidx_coverage): Change use of of
1748         Output_section::Simple_input_section to that of
1749         Output_section::Input_section.
1750         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1751         except for the first pass.
1752         * output.cc (Output_section::get_input_sections): Change type of
1753         input_sections to std::list<Input_section>.
1754         (Output_section::add_script_input_section): Rename from
1755         Output_section::add_simple_input_section.  Change type of SIS
1756         parameter from Simple_input_section to Input_section.
1757         * output.h (Output_section::Simple_input_section): Remove class.
1758         (Output_section::Input_section): Change class visibility to public.
1759         (Output_section::Input_section::addralign): Use stored alignments
1760         for special input sections if set.
1761         (Output_section::Input_section::set_addralign): New method.
1762         (Output_section::get_input_sections): Change parameter type from
1763         list of Simple_input_section to list of Input_section.
1764         (Output_section::add_script_input_section): Rename from
1765         Output_section::add_simple_input_section. Change first parameter's
1766         type from Simple_input_section to Input_section and remove the
1767         second and third parameters.
1768         * script-sections.cc (Input_section::Input_section_list): Change
1769         type to list of Output_section::Input_section/
1770         (Input_section_info::Input_section_info): Change parameter type of
1771         INPUT_SECTION to Output_section::Input_section.
1772         (Input_section_info::input_section): Change return type.
1773         (Input_section_info::input_section_): Change type to
1774         Output_section::Input_section.
1775         (Output_section_element_input::set_section_addresses): Adjust code
1776         to use Output_section::Input_section instead of
1777         Output_section::Simple_input_section.  Adjust code for renaming
1778         of Output_section::add_simple_input_section.
1779         (Orphan_output_section::set_section_addresses): Ditto.
1780
1781 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1782
1783         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1784         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1785
1786 2010-05-18  Rafael Espindola  <espindola@google.com>
1787
1788         * options.cc (General_options::finalize): Handle -nostdlib.
1789         * options.h (nostdlib): New option.
1790         * script.cc (script_add_search_dir): Handle -nostdlib.
1791
1792 2010-05-12  Doug Kwan  <dougkwan@google.com>
1793
1794         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1795         attributes section only if there no attributes section after merging.
1796         (Target_arm::merge_object_attributes): Move value of
1797         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1798         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1799         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1800         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1801         and arm_attr_merge_7.stdout.
1802         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1803         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1804         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1805         arm_attr_merge_7b.o): New rules.
1806         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1807         arm_attr_merge_7
1808         * testsuite/Makefile.in: Regenerate.
1809         * testsuite/arm_attr_merge.sh: New file.
1810         * testsuite/arm_attr_merge_[67][ab].s: Same.
1811
1812 2010-05-05  Nick Clifton  <nickc@redhat.com>
1813
1814         * po/es.po: Updated Spanish translation.
1815
1816 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1817
1818         * Makefile.am (install-exec-local): Properly install gold as
1819         default cross linker.
1820         * Makefile.in: Regenerated.
1821
1822 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1823             Nick Clifton  <nickc@redhat.com>
1824
1825         * configure.ac (install_as_default): Define and set to false
1826         unless --enable-gold or --enable-gold=both/gold has been
1827         specified.
1828         * configure: Regenerate.
1829
1830         * Makefile.am (install-exec-local): Install the executable as
1831         'ld.gold'.  If install_as_default is true then also install it as
1832         'ld'.
1833         * Makefile.in: Regenerated.
1834
1835 2010-04-24  Ian Lance Taylor  <iant@google.com>
1836
1837         * layout.cc (Layout::layout_reloc): In relocatable link don't
1838         combine reloc sections for grouped sections.
1839
1840 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1841
1842         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1843         sections that are not ordinary to icf.
1844         * icf.cc (get_section_contents): Handle relocation pointing to section
1845         with no object or shndx information.
1846         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1847         * testsuite/Makefile.in: Regenerate.
1848         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1849         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1850
1851 2010-04-22  Ian Lance Taylor  <iant@google.com>
1852
1853         * expression.cc (Expression::Expression_eval_info): Add
1854         result_alignment_pointer field.
1855         (Expression::eval_with_dot): Add result_alignment_pointer
1856         parameter.  Change all callers.
1857         (Expression::eval_maybe_dot): Likewise.
1858         (class Binary_expression): Add alignment_pointer parameter to
1859         left_value and right_value.  Change all callers.
1860         (BINARY_EXPRESSION): Set result alignment.
1861         (class Trinary_expression): Add alignment_pointer parameter to
1862         arg2_value and arg3_value.  Change all callers.
1863         (Trinary_cond::value): Set result alignment.
1864         (Max_expression::value, Min_expression::value): Likewise.
1865         (Align_expression::value): Likewise.
1866         * script-sections.cc (class Sections_element): Add dot_alignment
1867         parameter to set_section_addresses virtual function.  Update
1868         instantiations.
1869         (class Output_section_element): Likewise.
1870         (Script_sections::create_segments): Add dot_alignment parameter.
1871         Change all callers.
1872         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1873         (Script_sections::set_phdrs_clause_addresses): Likewise.
1874         * script-sections.h: Update declarations.
1875         * script.h: Update declarations.
1876         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1877         min_p_align.
1878         * testsuite/script_test_3.t: Set large alignment.
1879         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1880         segment has expected alignment.
1881
1882 2010-04-22  Nick Clifton  <nickc@redhat.com>
1883
1884         * po/gold.pot: Updated by the Translation project.
1885         * po/vi.po: Updated Vietnamese translation.
1886
1887 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1888
1889         * testsuite/Makefile.am (check_PROGRAMS): Add
1890         icf_virtual_function_folding_test.
1891         * testsuite/Makefile.in: Regenerated.
1892
1893 2010-04-15  Andrew Haley  <aph@redhat.com>
1894
1895         * options.h (merge_exidx_entries): New option.
1896         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1897         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1898         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1899         (Target_arm::merge_exidx_entries): New function.
1900         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1901         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1902         to Arm_exidx_fixup constructor.
1903         Add new arg, merge_exidx_entries.
1904         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1905         Arm_output_section::fix_exidx_coverage.
1906
1907 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
1908
1909         * icf.cc (get_section_contents): Check for preemptible functions.
1910         Ignore addend when appropriate.
1911         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
1912         section folded.
1913         (add_from_relobj): Check for section folded.
1914         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1915         * symtab.h (should_add_dynsym_entry): Add new parameter.
1916         * target-reloc.h (scan_relocs): Check for section folded.
1917         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1918         Check reloc types for function pointers in shared objects.
1919         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1920         case.
1921         (icf_preemptible_functions_test): New test case.
1922         (icf_string_merge_test): New test case.
1923         * testsuite.Makefile.in: Regenerate.
1924         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1925         bar_glob.  Refactor code.
1926         * testsuite/icf_preemptible_functions_test.cc: New file.
1927         * testsuite/icf_preemptible_functions_test.sh: New file.
1928         * testsuite/icf_string_merge_test.cc: New file.
1929         * testsuite/icf_string_merge_test.sh: New file.
1930         * testsuite/icf_virtual_function_folding_test.cc: New file.
1931         * testsuite/icf_virtual_function_folding_test.sh: New file.
1932
1933 2010-04-14  Doug Kwan  <dougkwan@google.com>
1934
1935         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1936         for local symbol recounting if we remove a section due to ICF.
1937         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1938         there are no regular objects in input.
1939
1940 2010-04-13  Doug Kwan  <dougkwan@google.com>
1941
1942         * arm.cc (Arm_input_section::set_final_data_size): Compute
1943         accurate final data size instead of using current data size.
1944
1945 2010-04-09  Doug Kwan  <dougkwan@google.com>
1946
1947         * layout.cc (Layout::choose_output_section): Handle script section
1948         types.
1949         (Layout::make_output_section_for_script): Add section type parameter.
1950         Handle script section types.
1951         * layout.h (Layout::make_output_section_for_script): Add section
1952         type parameter.
1953         * output.cc (Output_section::Output_section): Initialize data member
1954         is_noload_.
1955         (Output_section::do_reset_address_and_file_offset): Do not set address
1956         to 0 if section is a NOLOAD section.
1957         * output.h (Output_section::is_noload): New method.
1958         (Output_section::set_is_noload): Ditto.
1959         (Output_section::is_noload_): New data member.
1960         * script-c.h (Script_section_type): New enum type.
1961         (struct Parser_output_section_header): Add new file section_type.
1962         * script-sections.cc (Sections_element::output_section_name): Add
1963         parameter for returning script section type.
1964         (Output_section_definition::output_section_name): Ditto.
1965         (Output_section_definition::section_type)P; New method.
1966         (Output_section_definiton::script_section_type_name): Ditto.
1967         (Output_section_definition::script_section_type_): New data member.
1968         (Output_section_definition::Output_section_definition): Initialize
1969         data member Output_section_definition::script_section_type_.
1970         (Output_section_definition::create_sections): Pass script section type
1971         to Layout::make_output_section_for_script.
1972         (Output_section_definition::output_section_name): Return script
1973         section type to caller.
1974         (Output_section_definition::set_section_address): Do not advance
1975         dot value and load address if section type is NOLOAD.  Set address
1976         of NOLOAD sections regardless of section flags.
1977         (Output_section_definition::print): Print section type if it is
1978         not SCRIPT_SECTION_TYPE_NONE.
1979         (Output_section_definition::section_type): New method.
1980         (Output_section_definition::script_section_type_name): Ditto.
1981         (Script_sections::output_section_name): Add new parameter
1982         PSECTION_TYPE for returning script section type.  Pass it to
1983         section elements.  Handle discard sections.
1984         (Sort_output_sections::operator()): Handle NOLOAD sections.
1985         * script-sections.h (Script_sections::Section_type): New enum type.
1986         (Script_sections::output_section_name): Add a new parameter for
1987         returning script section type.
1988         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
1989         INFO and NOLOAD.
1990         * yyscript.y (union): Add new field SECTION_TYPE.
1991         (COPY, DSECT, INFO, NOLOAD): New tokens.
1992         (opt_address_and_section_type): Change type to output_section_header.
1993         (section_type): New non-terminal
1994         (section_header): Handle section type.
1995         (opt_address_and_section_type): Return section type value.
1996
1997 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1998
1999         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2000         * testsuite/plugin_common_test_2.c (foo): Likewise.
2001
2002 2010-04-08  Doug Kwan  <dougkwan@google.com>
2003
2004         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2005         Output_merge_data.
2006         * output.cc (Output_section::add_merge_input_section): Simplify
2007         code and return status of Output_merge_base::add_input_section.
2008         Update merge section map only if Output_merge_base::add_input_section
2009         returns true.
2010
2011 2010-04-07  Doug Kwan  <dougkwan@google.com>
2012
2013         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2014         if section is marked as containing instructions but has no mapping
2015         symbols.
2016         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2017         correct section index.
2018         (Arm_relobj::find_linked_text_section): Ditto.
2019
2020 2010-04-07  Cary Coutant  <ccoutant@google.com>
2021
2022         * archive.cc (include_member): Destroy Read_symbols_data object before
2023         releasing file.
2024         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2025         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2026         (Read_symbols_data::~Read_symbols_data) New destructor.
2027         (Section_relocs::Section_relocs) New constructor.
2028         (Section_relocs::~Section_relocs) New destructor.
2029         (Read_relocs_data::Read_relocs_data) New constructor.
2030         (Read_relocs_data::~Read_relocs_data) New destructor.
2031         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2032         pointers to NULL after deleting.
2033
2034 2010-04-07  Doug Kwan  <dougkwan@google.com>
2035
2036         * arm.cc: Replace "endianity" with "endianness" in comments.
2037         (Arm_exidx_cantunwind): Ditto.
2038         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2039         (Arm_relobj::merge_flags_and_attributes): New method.
2040         (Arm_relobj::merge_flags_and_attributes_): New data member.
2041         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2042         (Arm_relobj::scan_sections_for_stubs): Ditto.
2043         (Arm_relobj::do_read_symbols): Check to see if we really want to
2044         merge processor-specific flags and attributes.  Exit early if
2045         an object is empty except for section names and the undefined symbol.
2046         (Target_arm::do_finalize_sections): Move check for ELF format to
2047         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2048         attributes from a regular object only when we have determined that
2049         it is aapropriate.  Do not create an .ARM.attributes section in
2050         output if there is no regular input object.
2051         (Target_arm::merge_processor_specific_flags): Check
2052         --warn-mismatch before printing any error.
2053         (Target_arm::merge_object_attributes): Ditto.
2054         * gold.cc (queue_middle_tasks): Handle the case in which there is
2055         no regular object in input.
2056         * options.cc (General_options::parse_EB): New method.
2057         (General_options::parse_EL): Same.
2058         (General_options::General_options): Initialize endianness_.
2059         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2060         New options.
2061         (General_options::Endianness): New enum.
2062         (General_options::endianness): New method.
2063         (General_options::endianness_): New data member.
2064         * parameters.cc (Parameters::set_options): Check target endianness.
2065         (Parameters::set_target_once): Ditto.
2066         (Parameters::check_target_endianness): New method.
2067         (parameters_force_valid_target): If either -EL or -EB is specified,
2068         use it to define endianness of default target.
2069         * parameters.h (Parameters::check_target_endianness): New method
2070         declaration.
2071         * target.h (class Target): Change "endianity" to "endianness"
2072         in comments.
2073
2074 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2075
2076         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2077         * configure: Regenerate.
2078         * Makefile.in: Regenerate.
2079         * testsuite/Makefile.in: Regenerate.
2080
2081 2010-04-06  Cary Coutant  <ccoutant@google.com>
2082
2083         gcc PR lto/42757
2084         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2085         prevailing definitions of common symbols.
2086         * testsuite/plugin_test_6.sh: New test case.
2087         * testsuite/plugin_common_test_1.c: New test case.
2088         * testsuite/plugin_common_test_2.c: New test case.
2089         * testsuite/Makefile.am (plugin_test_6): New test case.
2090         * testsuite/Makefile.in: Regenerate.
2091
2092 2010-04-06  Nick Clifton  <nickc@redhat.com>
2093
2094         * po/vi.po: New Vietnamese translation.
2095
2096 2010-03-30  Doug Kwan  <dougkwan@google.com>
2097
2098         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2099
2100 2010-03-25  Doug Kwan  <dougkwan@google.com>
2101
2102         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2103         to avoid a conversion warning on a 32-bit host.
2104
2105 2010-03-24  Ian Lance Taylor  <iant@google.com>
2106
2107         * testsuite/script_test_3.t: Add a TLS segment.
2108         * testsuite/Makefile.am (check_PROGRAMS): Add
2109         tls_phdrs_script_test.
2110         (tls_phdrs_script_test_SOURCES): Define.
2111         (tls_phdrs_script_test_DEPENDENCIES): Define.
2112         (tls_phdrs_script_test_LDFLAGS): Define.
2113         (tls_phdrs_script_test_LDADD): Define.
2114         * testsuite/Makefile.in: Rebuild.
2115
2116 2010-03-23  Cary Coutant  <ccoutant@google.com>
2117
2118         * fileread.cc (find_or_make_view): Fix comment.
2119
2120 2010-03-23  Ian Lance Taylor  <iant@google.com>
2121
2122         * script-sections.cc (class Orphan_section_placement): Define
2123         PLACE_TLS and PLACE_TLS_BSS.
2124         (Orphan_section_placement::Orphan_section_placement): Initialize
2125         new places.
2126         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2127         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2128         (tls_script_test_SOURCES): Define.
2129         (tls_script_test_DEPENDENCIES): Define.
2130         (tls_script_test_LDFLAGS): Define.
2131         (tls_script_test_LDADD): Define.
2132         * testsuite/Makefile.in: Rebuild.
2133
2134 2010-03-22  Doug Kwan  <dougkwan@google.com>
2135
2136         * arm.cc (Arm_relocate_functions::abs8,
2137         Arm_relocate_functions::abs16): Use correct check for overflow
2138         specified in the ARM ELF specs.
2139         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2140         target of a BLX instruction specially.
2141         (Reloc_stub::stub_type_for_reloc): Ditto.
2142         (Relocate::relocate): Use symbolic names instead of numeric relocation
2143         codes to report error.
2144         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2145         workaround.
2146         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2147         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2148         thumb2_blx_out_of_range.stdout
2149         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2150         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2151         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2152         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2153         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2154         thumb2_blx_in_range, thumb2_blx_in_range.o,
2155         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2156         thumb2_blx_out_of_range.o): New rules.
2157         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2158         thumb2_blx_in_range and thumb2_blx_out_of_range.
2159         * testsuite/Makefile.in: Regenerate.
2160         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2161         * testsuite/thumb_blx_in_range.s: New file.
2162         * testsuite/thumb_blx_out_of_range.s: New file.
2163
2164 2010-03-22  Rafael Espindola  <espindola@google.com>
2165
2166         * archive.cc (Should_include): Move to archive.h.
2167         (should_include_member): Make it a member of Archive.
2168         (Lib_group): New.
2169         (Add_lib_group_symbols): New.
2170         * archive.h: Include options.h.
2171         (Archive_member): Moved from Archive.
2172         (Should_include): Moved from archive.cc.
2173         (Lib_group): New.
2174         (Add_lib_group_symbols): New.
2175         * dynobj.cc (do_should_include_member): New.
2176         * dynobj.h (do_should_include_member): New.
2177         * gold.cc (queue_initial_tasks): Update call to queue.
2178         * main.cc (main): Print lib group stats.
2179         * object.cc (do_should_include_member): New.
2180         * object.h: Include archive.h.
2181         (Object::should_include_member): New.
2182         (Object::do_should_include_member): New.
2183         (Sized_relobj::do_should_include_member): New.
2184         * options.cc (General_options::parse_start_lib): New.
2185         (General_options::parse_end_lib): New.
2186         (Input_arguments::add_file): Handle lib groups.
2187         (Input_arguments::start_group): Check we are not in a lib.
2188         (Input_arguments::start_lib): New.
2189         (Input_arguments::end_lib): New.
2190         * options.h (General_options): Add start_lib and end_lib.
2191         (Input_argument::lib_): New.
2192         (Input_argument::lib): New.
2193         (Input_argument::is_lib): New.
2194         (Input_file_lib): New.
2195         (Input_arguments::in_lib_): New.
2196         (Input_arguments::in_lib): New.
2197         (Input_arguments::start_lib): New.
2198         (Input_arguments::end_lib_): New.
2199         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2200         in unused members as preempted.
2201         (Sized_pluginobj::do_should_include_member): New.
2202         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2203         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2204         return the blocker.
2205         (Read_symbols::do_whole_lib_group): New.
2206         (Read_symbols::do_lib_group): New.
2207         (Read_symbols::do_read_symbols): Handle lib groups.
2208         (Read_symbols::get_name): Handle lib groups.
2209         * readsyms.h (Read_symbols): Add an archive member pointer.
2210         (Read_symbols::do_whole_lib_group): New.
2211         (Read_symbols::do_lib_group): New.
2212         (Read_symbols::member_): New.
2213         * script.cc (read_input_script): Update call to queue_soon.
2214
2215 2010-03-19  Doug Kwan  <dougkwan@google.com>
2216
2217         * arm.cc (Stub_table::Stub_table): Initialize new data members
2218         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2219         (Stub_table::add_reloc_stub): Assign stub offset and update
2220         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2221         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2222         New data members.
2223         (Stub_table::update_data_size_and_addralign): Use
2224         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2225         instead of going over all reloc stubs.
2226         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2227         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2228         Stringpool_template::offset_ to size of Stringpool_char.
2229         (Stringpool_template::new_key_offset): Remove code to initialize
2230         Stringpool_template::offset_.
2231         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2232         Stringpool_template::offset_ to zero.
2233
2234 2010-03-15  Doug Kwan  <dougkwan@google.com>
2235
2236         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2237         offset_.
2238         (Stringpool_template::new_key_offset): New method.
2239         (Stringpool_template::add_string): Assign offsets when adding new
2240         strings.
2241         (Stringpool_template::set_string_offsets): Do not set string offsets
2242         when not optimizing.
2243         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2244         member size_.
2245         (Chunked_vector::clear): Clear size_.
2246         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2247         (Chunked_vector::size): Return size_.
2248         (Chunked_vector::push_back): Use size_ to find insert position.
2249         (Chunked_vector::size_): New data member.
2250         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2251         (Stringpool_template::new_key_offset): New method declaration.
2252         (Stringpool_template::offset_): New data member.
2253
2254 2010-03-15   Rafael Espindola  <espindola@google.com>
2255
2256         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2257         Add_symbols' constructor.
2258         * readsyms.h (Add_symbols): Remove the input_group member.
2259
2260 2010-03-10  Ian Lance Taylor  <iant@google.com>
2261
2262         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2263         target to ask whether a reference to a symbol requires a stack
2264         split.
2265         * target.h (Target::is_call_to_non_split): New function.
2266         (Target::do_is_call_to_non_split): Declare virtual function.
2267         * target.cc: Include "symtab.h".
2268         (Target::do_is_call_to_non_split): New function.
2269         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2270
2271 2010-03-10  Cary Coutant  <ccoutant@google.com>
2272
2273         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2274         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2275         (File_read::open[2]): Add whole_file_view_ to list of views.
2276         (File_read::make_view): Remove test of whole_file_view_.
2277         (File_read::find_or_make_view): Create whole_file_view_ if
2278         necessary.
2279         (File_read::clear_views): Replace bool parameter with enum;
2280         adjust all callers.  Don't delete views with permanent data;
2281         do delete cached views and views from archives if
2282         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2283         if clearing the corresponding view.
2284         * fileread.h (File_read::Clear_views_mode): New enum.
2285         (File_read::View::is_permanent_view): New method.
2286         (File_read::clear_views): Replace bool parameter
2287         with enum; adjust all callers.
2288         * options.h (General_options): Change keep_files_mapped option;
2289         add map_whole_files.
2290         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2291         releasing the file.
2292         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2293         the file.
2294
2295 2010-03-10  David S. Miller  <davem@davemloft.net>
2296
2297         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2298
2299 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2300
2301         * icf.cc (get_section_contents): Add '@' marker after processing the
2302         merge reloc.
2303
2304 2010-03-08  Doug Kwan  <dougkwan@google.com>
2305
2306         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2307         due to a conversion warning.
2308         (Arm_relobj::update_output_local_symbol_count): Check for local
2309         symbol with unset output index.
2310
2311 2010-03-05  Ian Lance Taylor  <iant@google.com>
2312
2313         * options.h (class General_options): Add --spare-dynamic-tags.
2314         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2315         --spare-dynamic-tags.
2316
2317 2010-03-05  Ian Lance Taylor  <iant@google.com>
2318
2319         * incremental.cc: Include "libiberty.h".
2320
2321 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2322
2323         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2324         function, is_info_ member.
2325         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2326         (Versions::Versions): Update caller.
2327         (Versions::define_base_version): Likewise.
2328         (Versions::add_def): Likewise.
2329
2330 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2331
2332         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2333         (Scan::possible_function_pointer_reloc): New function.
2334         (Scan::local_reloc_may_be_function_pointer): Change to call
2335         possible_function_pointer_reloc.
2336         (Scan::global_reloc_may_be_function_pointer): Ditto.
2337         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2338         relocations in ".data.rel.ro._ZTV" section.
2339         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2340         * testsuite/icf_safe_so_test.cc: Ditto.
2341         * testsuite/icf_safe_test.cc: Ditto.
2342         * testsuite/icf_safe_test.sh: Ditto.
2343
2344 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2345             Ian Lance Taylor  <iant@google.com>
2346
2347         * target-reloc.h (relocate_section): Check the symbol table index
2348         for -1U before setting the local symbol index.
2349         (scan_relocatable_relocs): If copying the relocation, record that
2350         the local symbol is required.
2351         * object.h (Symbol_value::is_output_symtab_index_set): New
2352         function.
2353         (Symbol_value::may_be_discarded_from_output_symtab): New
2354         function.
2355         (Symbol_value::has_output_symtab_entry): New function.
2356         (Symbol_value::needs_output_symtab_entry): Remove.
2357         (Symbol_value::output_symtab_index): Make sure the symbol index is
2358         set.
2359         (Symbol_value::set_output_symtab_index): Make sure the symbol
2360         index is not set.  Make sure the new index is valid.
2361         (Symbol_value::set_must_have_output_symtab_entry): New function.
2362         (Symbol_value::has_output_dynsym_entry): New function.
2363         (Symbol_value::set_output_dynsym_index): Make sure the new index
2364         is valid.
2365         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2366         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2367         local symbol if permitted.
2368         (Sized_relobj::do_finalize_local_symbols): Call
2369         is_output_symtab_index_set rather than needs_output_symtab_entry.
2370         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2371         rather than needs_output_symtab_entry.  Call
2372         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2373         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2374         is_output_symtab_index_set rather than needs_output_symtab_entry.
2375         * testsuite/discard_locals_relocatable_test.c: New file.
2376         * testsuite/discard_locals_test.sh: Test -r.
2377         * testsuite/Makefile.am (check_DATA): Add
2378         discard_locals_relocatable_test1.syms,
2379         discard_local_relocatable_test2.syms.
2380         (MOSTLYCLEANFILES): Likewise.  Also add
2381         discard_locals_relocatable_test1.lout and
2382         discard_locals_relocatable_test2.out.
2383         (discard_locals_relocatable_test1.syms): New target.
2384         (discard_locals_relocatable_test.o): New target.
2385         (discard_locals_relocatable_test1.out): New target.
2386         (discard_locals_relocatable_test2.syms): New target.
2387         (discard_locals_relocatable_test2.out): New target.
2388         (various): Add missing ../ld-new dependencies.
2389         * testsuite/Makefile.in: Rebuild.
2390
2391 2010-03-03  Nick Clifton  <nickc@redhat.com>
2392
2393         * po/fi.po: New Finnish translation.
2394
2395 2010-03-01  Doug Kwan  <dougkwan@google.com>
2396
2397         * layout.cc (Layout::Layout): Force section types of .init_array*,
2398         .preinit_array* and .fini_array* sections.
2399         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2400         Fix check of return value of std::string::find.().
2401         (Output_section::Input_section_sort_compare::operator()): Remove
2402         comment about .init_array.
2403         (Output_section::Input_section_sort_init_fini_compare::operator()):
2404         New method.
2405         (Output_section::sort_attached_input_sections): Handle .init_array
2406         and .fini_array specially.
2407         * output.h (Output_section::Inut_section_sort_compare): Update
2408         comment.
2409         (Output_section::Input_section_sort_init_fini_compare): New struct.
2410
2411 2010-02-26  Doug Kwan  <dougkwan@google.com>
2412
2413         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2414         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2415         * testsuite/debug_msg.sh: Avoid matching source line number for
2416         use of global variable undef_int.
2417
2418 2010-02-26  Doug Kwan  <dougkwan@google.com>
2419
2420         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2421         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2422         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2423         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2424         * options.cc (General_options::General_options): Initialize member
2425         fix_v4bx_.
2426         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2427         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2428         and rm_no_fix_v4bx.stdout
2429         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2430         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2431         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2432         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2433         and arm_no_fix_v4bx.
2434         * Makefile.in: Regenerate.
2435         * testsuite/arm_fix_v4bx.s: New file.
2436         * testsuite/arm_fix_v4bx.sh: Ditto.
2437
2438 2010-02-24  Doug Kwan  <dougkwan@google.com>
2439
2440         * arm.cc (Target_arm::got_section): Make the .got section the first
2441         non RELRO section in the data segment.
2442         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2443         suffixes of section names.
2444
2445 2010-02-24  Doug Kwan  <dougkwan@google.com>
2446
2447         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2448         flags and attributes merging if an input file is a binary file.
2449         * fileread.cc (Input_file::open): Record format of original file.
2450         * fileread.h (Input_file::Format): New enum type.
2451         (Input_file::Input_file): Initialize data member format_.
2452         (Input_file::format): New method definition.
2453         (Input_file::format_):: New data member.
2454
2455 2010-02-24  Doug Kwan  <dougkwan@google.com>
2456
2457         * arm.cc (Arm_output_data_got): New class.
2458         (ARM_TCB_SIZE): New constant
2459         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2460         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2461         If user uses a script with a SECTIONS clause, issue only a warning
2462         for a misplaced EXIDX input section.  Otherwise, issue an error.
2463         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2464         garbage collection.
2465         (Target_arm::got_mode_index_entry): Handle static linking.
2466         (Target_arm::Scan::local): Ditto.
2467         (Target_arm::Scan::global): Ditto.
2468         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2469         all incorrectly implemented relocations.
2470         (Target_arm::fix_exidx_coverage): Pass layout to
2471         Arm_output_section::fix_exidx_coverage.
2472         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2473         from ".ARM.exidx." and ".ARM.extab.".
2474
2475 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2476
2477         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2478         section if it does not already exist.
2479         * attributes.cc (Attributes_section_data::Attributes_section_data):
2480         Don't crash if size is zero.
2481
2482 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2483             Ian Lance Taylor  <iant@google.com>
2484
2485         * gold.cc (queue_middle_tasks): If no input files were opened,
2486         exit.
2487         * workqueue.h (Task_function::Task_function): Assert that there is
2488         a blocker.
2489
2490 2010-02-22  Doug Kwan  <dougkwan@google.com>
2491
2492         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2493         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2494         types to avoid warnings due to different uint64_t implementations
2495         on different hosts.
2496
2497 2010-02-21  Doug Kwan  <dougkwan@google.com>
2498
2499         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2500         handling of the maximum backward branch offset.
2501         (Arm_relocate_functions::thumb_branch_common): Ditto.
2502         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2503         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2504         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2505         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2506         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2507         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2508         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2509         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2510         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2511         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2512         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2513         thumb2_bl_out_of_range.o): New rules.
2514         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2515         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2516         thumb2_bl_out_of_range
2517         * testsuite/Makefile.in: Regenerate.
2518         * testsuite/arm_bl_in_range.s: New file.
2519         * testsuite/arm_bl_out_of_range.s: Ditto.
2520         * testsuite/arm_branch_in_range.sh: Ditto.
2521         * testsuite/arm_branch_range.t: Ditto.
2522         * testsuite/thumb2_branch_range.t: Ditto.
2523         * testsuite/thumb_bl_in_range.s: Ditto.
2524         * testsuite/thumb_bl_out_of_range.s: Ditto.
2525         * testsuite/thumb_branch_range.t: Ditto.
2526
2527 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2528
2529         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2530         Add reloc offset information.
2531         * icf.cc (get_section_contents): Change iterators to point to the new
2532         vectors. Add reloc offset information to the contents.
2533         * icf.h (Icf::Sections_reachable_info): New typedef.
2534         (Icf::Sections_reachable_list): New typedef.
2535         (Icf::Offset_info): New typedef.
2536         (Icf::Reloc_info): New struct typedef.
2537         (Icf::Reloc_info_list): New typedef.
2538         (Icf::symbol_reloc_list): Delete method.
2539         (Icf::addend_reloc_list): Delete method.
2540         (Icf::section_reloc_list): Delete method.
2541         (Icf::reloc_info_list): New method.
2542         (Icf::reloc_info_list_): New member.
2543
2544 2010-02-19  Doug Kwan  <dougkwan@google.com>
2545
2546         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2547         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2548         * arm.cc (Arm_relocation_functions): New forward declaration.
2549         (Target_arm::Target_arm): Initialize new data members
2550         got_mod_index_offset_ and tls_base_symbol_defined_.
2551         (Target_arm::Relocate::relocate_tls): New method.
2552         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2553          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2554         New methods.
2555         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2556         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2557         (Target_arm::got_mod_index_offset_,
2558         Target_arm::tls_base_symbol_defined_): New data members.
2559         (Target_arm::Scan::local, Target::Scan::global,
2560         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2561         relocations.
2562
2563 2010-02-18  Doug Kwan  <dougkwan@google.com>
2564
2565         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2566         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2567         text section as a parameter becuase some broken tools may not set
2568         the link in section header.
2569         (Target_arm::has_got_section): New method.
2570         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2571         without any mapping symbol as data only.  Remove warning.
2572         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2573         link in its section header, try to discover the link by inspecting the
2574         REL31 relocation at the beginning of the section.
2575         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2576         in error message.
2577         (Target_arm::Scan::global): Treat any reference to the symbol
2578         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2579
2580 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2581
2582         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2583         (Scan::global_reloc_may_be_function_pointer): New function.
2584         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2585         (Scan::global_reloc_may_be_function_pointer): New function.
2586         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2587         (Scan::global_reloc_may_be_function_pointer): New function.
2588         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2589         (Scan::global_reloc_may_be_function_pointer): New function.
2590         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2591         (Scan::global_reloc_may_be_function_pointer): New function.
2592         (Scan::possible_function_pointer_reloc): New function.
2593         (Target_x86_64::can_check_for_function_pointers): New function.
2594         * gc.h (gc_process_relocs): Scan relocation types to determine if
2595         function pointers were taken for targets that support it.
2596         * icf.cc (Icf::find_identical_sections): Include functions for
2597         folding in safe ICF whose pointer is not taken.
2598         * icf.h (Secn_fptr_taken_set): New typedef.
2599         (fptr_section_id_): New member.
2600         (section_has_function_pointers): New function.
2601         (set_section_has_function_pointers): New function.
2602         (check_section_for_function_pointers): New function.
2603         * options.h: Fix comment for safe ICF option.
2604         * target.h (can_check_for_function_pointers): New function.
2605         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2606         Modify icf_safe_test for X86-64.
2607         * testsuite/Makefile.in: Regenerate.
2608         * testsuite/icf_safe_so_test.cc: New file.
2609         * testsuite/icf_safe_so_test.sh: New file.
2610         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2611         (main): Change to take pointer to function kept_func_3.
2612         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2613         folding is done correctly for X86-64.
2614
2615 2010-02-12  David S. Miller  <davem@davemloft.net>
2616
2617         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2618         is_symbolless parameter.
2619         (Output_reloc<SHT_REL>::is_symbolless): New.
2620         (Output_reloc<SHT_REL>::is_symbolless_): New.
2621         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2622         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2623         (Output_reloc<SHT_RELA>::is_symbolless): New.
2624         (Output_data_reloc::add_global): Handle is_symbolless.
2625         (Output_data_reloc::add_global_relative): Likewise.
2626         (Output_data_reloc::add_local): Likewise.
2627         (Output_data_reloc::add_local_relative): Likewise.
2628         (Output_data_reloc::add_symbolless_global_addend): New.
2629         (Output_data_reloc::add_symbolless_local_addend): New.
2630         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2631         is_symbolless.
2632         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2633         instead of ->is_relative_
2634         (Output_reloc::write): Likewise.
2635         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2636         (Output_reloc::write_rel): Simplify.
2637
2638         * sparc.cc (Target_sparc::Scan::local): Use
2639         ->add_symbolless_local_addend as needed.
2640         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2641         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2642         based upon relocation offset.
2643
2644 2010-02-11  Doug Kwan  <dougkwan@google.com>
2645
2646         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2647         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2648         beginning of function.
2649         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2650         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2651         parameter is_32bit in calls to should_apply_static_reloc.
2652         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2653         (check_DATA): Add arm_abs_global.stdout.
2654         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2655         arm_abs_global.stdout): New rules.
2656         (MOSTLLYCLEANFILES): Add arm_abs_global
2657         * Makefile.in: Regenerate.
2658         * testsuite/arm_abs_global.s: New file.
2659         * testsuite/arm_abs_global.sh: Ditto.
2660         * testsuite/arm_abs_lib.s: Ditto.
2661
2662 2010-02-11  Ian Lance Taylor  <iant@google.com>
2663
2664         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2665         Read_relocs task.
2666         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2667         Allocate_commons_task first.
2668         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2669         task, rather than symtab_lock_.
2670         (Gc_process_relocs::~Gc_process_relocs): New function.
2671         (Gc_process_relocs::is_runnable): Check this_blocker_.
2672         (Gc_process_relocs::locks): Use next_blocker_ rather than
2673         blocker_.
2674         (Scan_relocs::~Scan_relocs): New function.
2675         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2676         symtab_lock_.
2677         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2678         next_blocker_.
2679         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2680         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2681         constructor accordingly.
2682         (class Gc_process_relocs): Likewise.
2683         (class Scan_relocs): Likewise.
2684         * common.h (class Allocate_commons_task): Remove symtab_lock_
2685         field, and corresponding constructor parameter.
2686         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2687         symtab_lock_.
2688         (Allocate_commons_task::locks): Likewise.
2689
2690 2010-02-11  Ian Lance Taylor  <iant@google.com>
2691
2692         * gold-threads.h (class Once): Define.
2693         (class Initialize_lock): Rewrite as child of Once.
2694         * gold-threads.cc (class Once_initialize): Define.
2695         (once_pointer_control): New static variable.
2696         (once_pointer, once_arg): New static variables.
2697         (c_run_once): New static function.
2698         (Once::Once, Once::run_once, Once::internal_run): New functions.
2699         (class Initialize_lock_once): Remove.
2700         (initialize_lock_control): Remove.
2701         (initialize_lock_pointer): Remove.
2702         (initialize_lock_once): Remove.
2703         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2704         (Initialize_lock::initialize): Rewrite.
2705         (Initialize_lock::do_run_once): New function.
2706         * archive.cc (Archive::interpret_header): Only clear name if it is
2707         not already empty.
2708         * fileread.cc: Include "gold-threads.h"
2709         (file_counts_lock): New static variable.
2710         (file_counts_initialize_lock): Likewise.
2711         (File_read::release): Only increment counts when using --stats.
2712         Use a lock around the increment.
2713         * parameters.cc (class Set_parameters_target_once): Define.
2714         (set_parameters_target_once): New static variable.
2715         (Parameters::Parameters): Move here from parameters.h.
2716         (Parameters::set_target): Rewrite.
2717         (Parameters::set_target_once): New function.
2718         (Parameters::clear_target): Move here and rewrite.
2719         * parameters.h (class Parameters): Update declarations.  Add
2720         set_parameters_target_once_ field.
2721         (Parameters::Parameters): Move to parameters.cc.
2722         (Parameters::clear_target): Likewise.
2723         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2724         task.
2725         (Start_group::~Start_group): New function.
2726         (Start_group::is_runnable): New function.
2727         (Start_group::locks, Start_group::run): New functions.
2728         (Finish_group::run): Change saw_undefined to size_t.
2729         * readsyms.h (class Start_group): Define.
2730         (class Finish_group): Change saw_undefined_ field to size_t.
2731         (Finish_group::Finish_group): Remove saw_undefined and
2732         this_blocker parameters.  Change all callers.
2733         (Finish_group::set_saw_undefined): New function.
2734         (Finish_group::set_blocker): New function.
2735         * symtab.h (class Symbol_table): Change saw_undefined to return
2736         size_t.  Change saw_undefined_ field to size_t.
2737         * target-select.cc (Set_target_once::do_run_once): New function.
2738         (Target_selector::Target_selector): Initialize set_target_once_
2739         field.  Don't initialize lock_ and initialize_lock_ fields.
2740         (Target_selector::instantiate_target): Rewrite.
2741         (Target_selector::set_target): New function.
2742         * target-select.h (class Set_target_once): Define.
2743         (class Target_selector): Update declarations.  Make
2744         Set_target_once a friend.  Remove lock_ and initialize_lock_
2745         fields.  Add set_target_once_ field.
2746
2747 2010-02-10  Ian Lance Taylor  <iant@google.com>
2748
2749         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2750         queueing any tasks.
2751         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2752         (queue_middle_tasks): Add all blockers before queueing any tasks.
2753         (queue_final_tasks): Likewise.
2754         * token.h (Task_token::add_blockers): New function.
2755         * object.h (Input_objects::number_of_relobjs): New function.
2756
2757 2010-02-10  Ian Lance Taylor  <iant@google.com>
2758
2759         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2760         shared, not if not position independent.
2761         * x86_64.cc (Relocate::relocate_tls): Likewise.
2762         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2763         (tls_pie_pic_test): New target.
2764         * testsuite/Makefile.in: Rebuild.
2765
2766         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2767         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2768         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2769         * testsuite/Makefile.in: Rebuild.
2770
2771 2010-02-09  David S. Miller  <davem@davemloft.net>
2772
2773         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2774         R_SPARC_RELATIVE using ->add_local_relative().
2775         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2776
2777         * output.h (Output_data_dynamic::add_section_size): New method
2778         that takes two Output_data objects.
2779         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2780         entry param.  Handle it in initializers.
2781         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2782         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2783         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2784         arg.
2785         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2786         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2787         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2788         for dynrel_includes_plt.
2789         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2790         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2791         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2792         before .rela.plt
2793         (Target_sparc::do_finalize_sections): Update to pass true for
2794         dynrel_includes_plt.
2795         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2796         output before .rela.plt
2797         (Target_powerpc::do_finalize_sections): Update to pass true for
2798         dynrel_includes_plt when 32-bit.
2799
2800 2010-02-08  Doug Kwan  <dougkwan@google.com>
2801
2802         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2803         method.
2804         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2805         Arm_relobj::scan_section_for_cortex_a8_stubs,
2806         Arm_relobj::do_relocation_section): Instead of calling
2807         Output_section::output_address, use faster
2808         Arm_relobj::simple_input_section_output_address.
2809
2810 2010-02-08  David S. Miller  <davem@davemloft.net>
2811
2812         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2813         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2814         relocation helper function.
2815
2816         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2817         just like R_SPARC_GOT{10,13,22}.
2818         (Target_sparc::Scan::local): Likewise.
2819         (Target_sparc::Relocate:relocate): Likewise.
2820
2821 2010-02-06  Ian Lance Taylor  <iant@google.com>
2822
2823         * configure.ac: Rewrite targetobjs duplicate removal code to use
2824         only shell constructs.
2825         * configure: Rebuild.
2826
2827 2010-02-05  Doug Kwan  <dougkwan@google.com>
2828
2829         PR 11247
2830         * arm.cc (Arm_relobj::section_is_scannable): New method.
2831         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2832         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2833
2834 2010-02-04  Doug Kwan  <dougkwan@google.com>
2835
2836         PR 11247
2837         * arm-reloc-property.cc (cstdio): Include.
2838         * configure.ac (targetobjs): Remove duplicates.
2839         * configure: Regenerate.
2840         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2841         big and little endian version for a given address size.
2842
2843 2010-02-03  Doug Kwan  <dougkwan@google.com>
2844
2845         * arm-reloc-property.cc
2846         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2847         definition.
2848         * arm-reloc-property.h
2849         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2850         New method definition.
2851         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2852         declaration.
2853         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2854         overflow to N.
2855         (GOT_PREL): Change implemented to Y.
2856         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2857         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2858         (Arm_relocate_functions::movw_abs_nc): Remove method.
2859         (Arm_relocate_functions::movt_abs): Ditto.
2860         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2861         (Arm_relocate_functions::thm_movt_abs): Ditto.
2862         (Arm_relocate_functions::movw_rel_nc): Ditto.
2863         (Arm_relocate_functions::movw_rel): Ditto.
2864         (Arm_relocate_functions::movt_rel): Ditto.
2865         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2866         (Arm_relocate_functions:thm_movw_rel): Ditto.
2867         (Arm_relocate_functions:thm_movt_rel): Ditto.
2868         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2869         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2870         New method definitions.
2871         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2872         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2873         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2874         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2875         (Target_arm::Relocate::relocate): Check for non-static or
2876         unimplemented relocation code and exit early.  Change calls to
2877         Target_arm::reloc_uses_thumb_bit and
2878         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2879         instead.  Refactor code to handle similar relocations to increase
2880         code sharing.  Remove check for unsupported relocation code in switch
2881         statement.
2882         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2883         relocation property table to find out size.  Change error message to
2884         print out the name of a relocation code instead of the numeric value.
2885         (Target_arm::scan_reloc_for_stub): Use relocation property table
2886         instead of calling Target_arm::reloc_uses_thumb_bit().
2887
2888 2010-02-02  Doug Kwan  <dougkwan@google.com>
2889
2890         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2891         types of relaxed input section.
2892
2893 2010-02-02  Doug Kwan  <dougkwan@google.com>
2894
2895         * Makefile.am (HFILES): Add arm-reloc-property.h.
2896         (DEFFILES): New.
2897         (TARGETSOURCES): Add arm-reloc-property.cc
2898         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2899         (libgold_a_SOURCES): $(DEFFILES)
2900         * Makefile.in: Regenerate.
2901         * arm-reloc-property.cc: New file.
2902         * arm-reloc-property.h: New file.
2903         * arm-reloc.def: New file.
2904         * arm.cc: Update comments.
2905         (arm-reloc-property.h): New included header.
2906         (arm_reloc_property_table): New global variable.
2907         (Target_arm::do_select_as_default_target): New method definition.
2908         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2909         arm-reloc-property to targ_extra_obj.
2910         * parameters.cc (set_parameters_target): Call
2911         Target::select_as_default_target().
2912         * target.h (Target::select_as_default_target): New method definition.
2913         (Target::do_select_as_default_target): Same.
2914
2915 2010-02-01  Doug Kwan  <dougkwan@google.com>
2916
2917         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2918         first_output_text_section_.
2919         (Arm_exidx_fixup::first_output_text_section): New method definition.
2920         (Arm_exidx_fixup::first_output_text_section_): New data member.
2921         (Arm_exidx_fixup::process_exidx_section): Record the first text
2922         output section seen.
2923         (Arm_output_section::fix_exidx_coverage): Set correct linked section
2924         and entsize in output section header.
2925
2926 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2927
2928         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2929         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2930         (Arm_relocate_functions::thm_alu11): New Method.
2931         (Arm_relocate_functions::thm_pc8): New Method.
2932         (Arm_relocate_functions::thm_pc12): New Method.
2933         (Target_arm::Scan::local): Handle the relocations.
2934         (Target_arm::Scan::global): Likewise.
2935         (Target_arm::Relocate::relocate): Likewise.
2936         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2937
2938 2010-01-29  Doug Kwan  <dougkwan@google.com>
2939
2940         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2941         of relocation types as ld.
2942
2943 2010-01-29  Doug Kwan  <dougkwan@google.com>
2944
2945         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
2946         to public.
2947         (Arm_relocate_functions::thumb_branch_common): Ditto.
2948         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
2949         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
2950         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
2951         Arm_relocate_functions::jump24): Remove.
2952         (Target_arm::Relocate::relocate): Adjust code to call
2953         Arm_relocation_functions::arm_branch_common and
2954         Arm_relocation_functions::thumb_branch_common instead of their removed
2955         wrappers.  Merge switch-cases together to reduce source code size.
2956
2957 2010-01-29  Doug Kwan  <dougkwan@google.com>
2958
2959         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
2960         output_local_symbol_count_needs_update_.
2961         (Arm_relobj::output_local_symbol_count_needs_update,
2962          Arm_relobj::set_output_local_symbol_count_needs_update,
2963          Arm_relobj::update_output_local_symbol_count): New methods.
2964         (Arm_relobj::output_local_symbol_count_needs_update_): New data
2965         member.
2966         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
2967         of pointed function as in a R_ARM_PREL31 relocation.
2968         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
2969         for output local symbol count updating.
2970         (Target_arm::do_relax): Update output local symbol counts in objects
2971         if necessary.
2972         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
2973
2974 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2975
2976         * arm.cc: Added support for the ARM relocations:
2977         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
2978         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
2979         (Arm_relocate_functions::movw_rel_nc): Renamed (was
2980         movw_prel_nc).
2981         (Arm_relocate_functions::movw_rel): New method.
2982         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
2983         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
2984         thm_movw_prel_nc).
2985         (Arm_relocate_functions::thm_movw_rel): New method.
2986         (Arm_relocate_functions::thm_movt_rel): Renamed (was
2987         thm_movt_prel).
2988         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
2989         relocations.
2990         (Target_arm::Scan::global): Likewise.
2991         (Target_arm::Relocate::relocate): Likewise.
2992         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2993         Likewise.
2994
2995 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2996
2997         * arm.cc: Added support for ARM group relocations.
2998         (Target_arm::reloc_needs_sym_origin): New method.
2999         (Arm_relocate_functions::calc_grp_kn): New method.
3000         (Arm_relocate_functions::calc_grp_residual): New method.
3001         (Arm_relocate_functions::calc_grp_gn): New method.
3002         (Arm_relocate_functions::arm_grp_alu): New Method.
3003         (Arm_relocate_functions::arm_grp_ldr): New Method.
3004         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3005         (Arm_relocate_functions::arm_grp_ldc): New Method.
3006         (Target_arm::Scan::local): Handle the ARM group relocations.
3007         (Target_arm::Scan::global): Likewise.
3008         (Target_arm::Relocate::relocate): Likewise.
3009         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3010         Likewise.
3011
3012 2010-01-26  Doug Kwan  <dougkwan@google.com>
3013
3014         * arm.cc (set): Include.
3015         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3016         pointer type.
3017         (Arm_output_section::Text_section_list): New type.
3018         (Arm_output_section::append_text_sections_to_list): New method.
3019         (Arm_output_section::fix_exidx_coverage): Ditto.
3020         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3021         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3022         Relobj::set_section_offset() instead of
3023         Sized_relobj::invalidate_section_offset().
3024         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3025         parameter for section headers. Ignore relocation sections for
3026         unallocated sections and EXIDX sections.
3027         (Target_arm::fix_exidx_coverage): New method.
3028         (Target_arm::output_section_address_less_than): New type.
3029         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3030         linked text section instead of the EXIDX section.
3031         (Arm_output_section::create_stub_group): Add an assertion to check
3032         that this is not an EXIDX output section.
3033         (Arm_output_section::append_text_sections_to_list): New method.
3034         (Arm_output_section::fix_exidx_coverage): Ditto.
3035         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3036         Arm_relobj::section_needs_reloc_stub_scanning.
3037         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3038         first pass.
3039         (Target_arm::fix_exidx_coverage): New method.
3040         * object.h (Relobj::set_output_section): New method.
3041         (Sized_relobj::invalidate_section_offset): Remove method.
3042         (Sized_relobj::do_invalidate_section_offset): Remove method.
3043         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3044
3045 2010-01-25  Doug Kwan  <dougkwan@google.com>
3046
3047         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3048         Fix warning due to signed and unsigned comparison on a 32-bit host.
3049
3050 2010-01-22  Doug Kwan  <dougkwan@google.com>
3051
3052         * arm.cc (Target_arm::do_relax): Record an output section for section
3053         offset adjustment it contains any stub table that has changed.
3054         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3055         offsets in an output section if necessary.
3056         * output.cc (Output_section::Output_section): Initialize
3057         section_offsets_need_adjustments_.
3058         (Output_section::add_input_section_for_script): Renamed to
3059         Output_section::add_simple_input_section.
3060         (Output_section::save_states): Add a comment.
3061         (Output_section::discard_states): New method defintion.
3062         (Output_section::adjust_section_offsets): Same.
3063         * output.h (Output_section::add_input_section_for_script): Renamed to
3064         Output_section::add_simple_input_section.
3065         (Output_section::discard_states): New method declaration.
3066         (Output_section::adjust_section_offsets): Same.
3067         (Output_section::section_offsets_need_adjustment,
3068         Output_section::set_section_offsets_need_adjustment): New method
3069         definitions.
3070         (Output_section::section_offsets_need_adjustment_): New data member.
3071         * script-sections.cc
3072         (Output_section_element_input::set_section_address): Adjust code for
3073         renaming of Output_section::add_input_section_for_script.
3074         (Orphan_output_section::set_section_address): Same.
3075
3076 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3077
3078         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3079         Fix_v4bx enum values .
3080         * gold/options.h (General_options): New option definitions.
3081         (General_options::fix_v4bx): New method.
3082         (General_options::Fix_v4bx): New enum.
3083         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3084         (General_options::parse_fix_v4bx_interworking): New method.
3085
3086 2010-01-22  Doug Kwan  <dougkwan@google.com>
3087
3088         * arm.cc (Arm_exidx_fixup): New class.
3089
3090 2010-01-21  Doug Kwan  <dougkwan@google.com>
3091
3092         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3093         classes.
3094         (Arm_exidx_section_offset_map): New type.
3095
3096 2010-01-21  Doug Kwan  <dougkwan@google.com>
3097
3098         * arm.cc (Arm_exidx_input_section): New class.
3099         (Arm_relobj::exidx_input_section_by_link,
3100         Arm_relobj::exidx_input_section_by_shndx,
3101         Arm_relobj::make_exidx_input_section): New methods.
3102         (read_arm_attributes_section): Remove.
3103         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3104         information about them.
3105         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3106         to here.
3107
3108 2010-01-20  Doug Kwan  <dougkwan@google.com>
3109
3110         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3111         Input_section_specifier to Section_id.
3112         (Target_arm::new_arm_input_section: Adjust code for change of key
3113         type.
3114         (Target_arm::find_arm_input_section): Ditto.
3115         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3116         (Section_id): Remove.
3117         (Garbage_collection::Section_id_hash): Remove.
3118         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3119         (Section_id): Remove.
3120         (Icf::Section_id_hash): Remove.
3121         * object.h (Section_id, Const_section_id, Section_id_hash,
3122         Const_section_id_hash): New type definitions.
3123         * output.cc (Output_section::add_relaxed_input_section): Change to
3124         use Const_section_id instead of Input_section_specifier as key type.
3125         (Output_section::add_merge_input_section): Ditto.
3126         (Output_section::build_relaxation_map): Change to use Section_id
3127         instead of Input_section_specifier as key type.
3128         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3129         Ditto.
3130         (Output_section::convert_input_sections_to_relaxed_sections): Change
3131         to use Const_section_id instead of Input_section_specifier as key type.
3132         (Output_section::find_merge_section): Ditto.
3133         (Output_section::find_relaxed_input_section): Ditto.
3134         * output.h (Input_section_specifier): Remove class.
3135         (Output_section::Output_section_data_by_input_section_map): Change
3136         key type to Const_section_id.
3137         (Output_section::Output_relaxed_input_section_by_input_section_map):
3138         Ditto.
3139         (Output_section::Relaxation_map): Change key type to Section_id.
3140
3141 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3142
3143         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3144         (class Arm_v4bx_stub): New class.
3145         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3146         (Stub_factory::make_arm_v4bx_stub): New method.
3147         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3148         (Stub_table::empty): Handle v4bx stubs.
3149         (Stub_table::add_arm_v4bx_stub): New method.
3150         (Stub_table::find_arm_v4bx_stub): New method.
3151         (Arm_relocate_functions::v4bx): New method.
3152         (Target_arm::fix_v4bx): New method.
3153         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3154         (Stub_table::relocate_stubs): Likewise.
3155         (Stub_table::do_write): Likewise.
3156         (Stub_table::update_data_size_and_addralign): Likewise.
3157         (Stub_table::finalize_stubs):  Likewise.
3158         (Target_arm::Scan::local): Likewise.
3159         (Target_arm::Scan::global): Likewise.
3160         (Target_arm::do_finalize_sections): Likewise.
3161         (Target_arm::Relocate::relocate): Likewise.
3162         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3163         Likewise.
3164         (Target_arm::scan_reloc_for_stub): Likewise.
3165         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3166
3167 2010-01-19  Ian Lance Taylor  <iant@google.com>
3168
3169         * output.cc (Output_section_headers::do_sized_write): Write large
3170         segment count to sh_info field.
3171         (Output_file_header::do_sized_write): For large segment count,
3172         write PN_XNUM to e_phnum field.
3173
3174 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3175
3176         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3177         (Arm_relocate_functions::thm_jump8): New function.
3178         (Arm_relocate_functions::thm_jump11): New function.
3179         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3180         R_ARM_THM_JUMP11.
3181         (Target_arm::Scan::global): Likewise.
3182         (Target_arm::Relocate::relocate): Likewise.
3183         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3184         Likewise.
3185
3186 2010-01-14  Doug Kwan  <dougkwan@google.com>
3187
3188         * arm.cc (map, utility): Include headers.
3189         (Target_arm::apply_cortex_a8_workaround): New method.
3190         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3191         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3192         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3193         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3194         the --[no-]fix-cortex-a8 command line options.
3195         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3196         (Target_arm::relocate_stub): Use addend in instruction template.
3197         * options.h (DEFINE_bool): Set the user-set flag.
3198         (General_options): Add --[no-]-fix-cortex options.
3199         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3200         : Update fast look-up map after conversion.
3201
3202 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3203
3204         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3205         in the first pass of do_layout.
3206
3207 2010-01-13  Doug Kwan  <dougkwan@google.com>
3208
3209         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3210         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3211         apparent compiler problem of not folding static constant integral
3212         data members of elfcpp::Elf_sizes<32>.
3213
3214 2010-01-13  Doug Kwan  <dougkwan@google.com>
3215
3216         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3217         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3218         Arm_relobj::scan_section_for_cortex_a8_erratum,
3219         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3220         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3221         sections to scan for relocation stubs into a new method
3222         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3223         relocation and Cortex-A8 stub scanning.
3224         (Target_arm::do_relax): Force stubs to be after stubbed sections
3225         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3226         the beginning of a new relaxation pass.  Update a comment.
3227         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3228
3229 2010-01-12  Ian Lance Taylor  <iant@google.com>
3230
3231         * target-reloc.h (visibility_error): New inline function.
3232         (relocate_section): Call visibility_error.
3233         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3234         (MOSTLYCLEANFILES): Likewise.
3235         (protected_4_pic.o, protected_3.err): New targets.
3236         * testsuite/protected_4.cc: New file.
3237
3238 2010-01-12  Doug Kwan  <dougkwan@google.com>
3239
3240         * arm.cc (Cortex_a8_reloc): New class.
3241         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3242         and cortex_a8_relocs_info_.
3243         (Target_arm::fix_cortex_a8): New method definition.
3244         (Target_arm::Cortex_a8_relocs_info): New type.
3245         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3246         New data member declarations.
3247         (Target_arm::scan_reloc_for_stub): Record information about
3248         relocations for THUMB branches that might be exempted from the
3249         Cortex-A8 workaround.
3250         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3251         at the beginning of a relaxation pass.
3252
3253 2010-01-12  Doug Kwan  <dougkwan@google.com>
3254
3255         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3256         (Arm_relobj::Mapping_symbol_position,
3257          Arm_reloj::Mapping_symbol_position_less,
3258          Arm_relobj::Mapping_symbols_info): New types.
3259         (Target_arm::is_mapping_symbol_name): New method definition.
3260         (Arm_relobj::do_count_local_symbols): Save information about mapping
3261         symbols.
3262
3263 2010-01-11  Doug Kwan  <dougkwan@google.com>
3264
3265         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3266         Arm_relocate_functions::thumb32_branch_upper,
3267         Arm_relocate_functions::thumb32_branch_lower,
3268         Arm_relocate_functions::thumb32_cond_branch_offset,
3269         Arm_relocate_functions::thumb32_cond_branch_upper,
3270         Arm_relocate_functions::thumb32_cond_branch_lower,
3271         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3272         branch offset encoding.
3273         (Arm_relocate_functions::thumb_branch_common): Use new branch
3274         offset encoding methods to avoid code duplication.
3275         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3276         (Stub_addend_reader::operator()): Use new branch encoding method
3277         to avoid code duplication.
3278
3279 2010-01-11  Doug Kwan  <dougkwan@google.com>
3280
3281         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3282         (Target_arm::do_finalize_sections): Define special EXIDX section
3283         symbols only if referenced.
3284         * gc.h (Garbage_collection::add_reference): New method.
3285         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3286         code duplication.
3287
3288 2010-01-11  Ian Lance Taylor  <iant@google.com>
3289
3290         * script.cc (Version_script_info::build_expression_list_lookup):
3291         Change complaing about duplicate wildcard match from error to
3292         warning.
3293
3294         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3295         of 2009-12-30.
3296         (Version_script_info::Version_script_info): Initialize globs_,
3297         default_version_, default_is_global_, and exact_.  Don't
3298         initialize globals_ or locals_.
3299         (Version_script_info::build_lookup_tables): Build local symbols
3300         first.
3301         (Version_script_info::unquote): New function.
3302         (Version_script_info::add_exact_match): New function.
3303         (Version_script_info::build_expression_list_lookup): Remove lookup
3304         parameter.  Add is_global parameter.  Change all callers.  Handle
3305         wildcard pattern specially.  Unquote pattern.  Call
3306         add_exact_match.
3307         (Version_script_info::get_name_to_match): New function.
3308         (Version_script_info::get_symbol_version): New function.
3309         (Version_script_info::get_symbol_version_helper): Remove.
3310         (Version_script_info::check_unmatched_names): Call unquote.
3311         * script.h (class Version_script_info): Change get_symbol_version
3312         to be non-inline and add is_global parameter; change all callers.
3313         Rewrite symbol_is_local.  Update declarations.  Define struct
3314         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3315         Remove globals_ and locals_ members.  Add exact_, globs_,
3316         default_version_, is_global_.
3317         (Version_script_info::Glob): Remove pattern, add expression and
3318         is_global.  Update constructor.  Change all callers.
3319         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3320         default version.
3321         (Versions::symbol_section_contents): If a symbol is undefined, or
3322         defined in a dynamic object, set the version index to
3323         VER_NDX_LOCAL.
3324         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3325         symbol_is_local.
3326         (Symbol_table::add_from_pluginobj): Likewise.
3327         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3328
3329 2010-01-11  Doug Kwan  <dougkwan@google.com>
3330
3331         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3332         (incremental_dump_LDADD): Add linking option for libintl.
3333         * Makefile.in: Regenerate.
3334
3335 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3336
3337         PR gold/11144
3338         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3339         instead of -Ds.
3340         * testsuite/Makefile.in: Regenerated.
3341
3342 2010-01-10  Doug Kwan  <dougkwan@google.com>
3343
3344         * options.h (DEFINE_var): Use parentheses around argument varname__
3345         in macro body to avoid any unintended subsequent substitutions.
3346
3347 2010-01-10  Ian Lance Taylor  <iant@google.com>
3348
3349         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3350         candidates before doing symbol resolution.
3351
3352         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3353         ODR candidates if only one is weak.
3354
3355 2010-01-08  Ian Lance Taylor  <iant@google.com>
3356
3357         * script.cc (Version_script_info::build_expression_list_lookup):
3358         Don't warn about ambiguous version, just record the ambiguity.
3359         (Version_script_info::get_symbol_version_helper): Give error if
3360         version is ambiguous.
3361
3362 2010-01-08  Doug Kwan  <dougkwan@google.com>
3363
3364         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3365           prev_data_size_ and prev_addralign_.  Remove initializer for
3366           deleted data member has_been_changed_.
3367           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3368           to determine if the table is empty.
3369           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3370           Remove.
3371           (Stub_table::add_reloc_stub): Define method in class definition
3372           instead of just declaring it there.
3373           (Stub_table::add_cortex_a8_stub): New method definition.
3374           (Stub_table::update_data_size_and_addralign): Ditto.
3375           (Stub_table::finalize_stubs): Ditto.
3376           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3377           (Stub_table::do_addralign_): Return address alignment in the
3378           (Stub_table::do_reset_address_and_file_offset): Define method in
3379           class definition instead of declaring it there.  Set current data
3380           size to be the data size of the previous pass.
3381           (Stub_table::set_final_data_size): Use current data size as the
3382           final data size.
3383           (Stub_table::relocate_stub): Change parameter type of stub from
3384           Reloc_stub pointer to Stub pointer.
3385           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3386           (Stub_table::Cortex_a8_stub_list): New typedef.
3387           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3388            Stub_table::prev_addralign_): New data member.
3389           (Arm_relobj::Arm_relobj): Initialize data member
3390           section_has_cortex_a8_workaround_.
3391           (Arm_relobj::section_has_cortex_a8_workaround,
3392            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3393            definitions.
3394           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3395           declarations.
3396           (Target_arm::relocate_stub): Change parameter type of stub from
3397           Reloc_stub pointer to Stub pointer.
3398           (Insn_template::size, Insn_template::alignment): Handle
3399           THUMB16_SPECIAL_TYPE.
3400           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3401            Stub_table::update_data_size_and_addralign,
3402            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3403           definitions.
3404           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3405           (Stub_table::do_write): Ditto.
3406           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3407
3408 2010-01-08  Ian Lance Taylor  <iant@google.com>
3409
3410         PR 11108
3411         * symtab.h (class Symbol): Remove fields is_target_special_ and
3412         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3413         (Symbol::is_defined_in_discarded_section): New function.
3414         (Symbol::set_is_defined_in_discarded_section): New function.
3415         (Symbol::has_plt_offset): Rewrite.
3416         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3417         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3418         Don't initialize is_target_special_ or has_plt_offset_.
3419         Initialize is_defined_in_discarded_section_.
3420         (Symbol_table::add_from_relobj): If appropriate, set
3421         is_defined_in_discarded_section.
3422         * resolve.cc (Symbol::override_base_with_special): Don't test
3423         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3424         * target-reloc.h (relocate_section): Do special handling for
3425         symbols defined in discarded sections for global symbols as well
3426         as local symbols.
3427
3428 2010-01-08  Ian Lance Taylor  <iant@google.com>
3429
3430         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3431         the SHT_SYMTAB case.
3432
3433 2010-01-08  Ian Lance Taylor  <iant@google.com>
3434
3435         * object.cc (Sized_relobj::do_layout): Don't get confused if
3436         layout_eh_frame returns NULL.
3437
3438 2010-01-08  Ian Lance Taylor  <iant@google.com>
3439
3440         PR 11084
3441         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3442         dynamic symbol table, use the normal symbol table.
3443         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3444         symbol table.
3445
3446 2010-01-08  Ian Lance Taylor  <iant@google.com>
3447
3448         PR 11072
3449         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3450         sections.
3451
3452 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3453
3454         * version.cc (print_version): Change to "Copyright 2010".
3455
3456 2010-01-08  Ian Lance Taylor  <iant@google.com>
3457
3458         PR 10287
3459         PR 11063
3460         * i386.cc (class Target_i386): Change return type of plt_section
3461         to be non-const.
3462         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3463         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3464         tls_desc_rel_ field.
3465         (Output_data_plt_i386::rel_tls_desc): New function.
3466         (Target_i386::rel_tls_desc_section): New function.
3467         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3468         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3469         R_386_TLS_DESC reloc in rel_tls_desc_section.
3470         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3471         Define struct Tlsdesc_info.
3472         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3473         (Target_x86_64::do_reloc_symbol_index): New function.
3474         (Target_x86_64::add_tlsdesc_info): New function.
3475         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3476         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3477         tlsdesc_rel_ field.
3478         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3479         all callers.
3480         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3481         (Target_x86_64::rela_tlsdesc_section): New function.
3482         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3483         handling.
3484         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3485         (Target_x86_64::do_reloc_addend): New function.
3486         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3487         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3488         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3489         (Output_reloc::type): New function.
3490         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3491         (Output_reloc::is_target_specific): New function.
3492         (Output_reloc::target_arg): New function.
3493         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3494         absolute relocs and target specific relocs.
3495         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3496         add_target_specific.
3497         (class Output_data_reloc) [SHT_RELA]: Likewise.
3498         * output.cc (Output_reloc::Output_reloc): Add four new versions
3499         for absolute relocs and target specific relocs.
3500         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3501         (Output_reloc::get_symbol_index): Likewise.
3502         (Output_reloc::local_section_offset): Check that local_sym_index_
3503         is not TARGET_CODE or 0.
3504         (Output_reloc::symbol_value): Likewise.
3505         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3506         reloc.
3507         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3508         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3509         functions.
3510         * layout.cc (add_target_dynamic_tags): Use output section for
3511         DT_PLTRELSZ and DT_JMPREL.
3512
3513 2010-01-07  Ian Lance Taylor  <iant@google.com>
3514
3515         PR 11061
3516         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3517         function.
3518         (class Output_data_reloc_generic): Define.
3519         (class Output_data_reloc_base): Change base class to
3520         Output_data_reloc_generic.  Change add() method to call
3521         bump_relative_reloc_count for a relative reloc.  Remove
3522         sort_relocs_ field.
3523         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3524         to sort_relocs().
3525         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3526         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3527         appropriate.
3528         * layout.h (class Layout): Update declaration.
3529
3530 2010-01-07  Ian Lance Taylor  <iant@google.com>
3531
3532         * output.h (class Output_data): Add const version of
3533         output_section and do_output_section.
3534         (class Output_section_data): Add const version of
3535         do_output_section.
3536         (class Output_section): Likewise.
3537         * layout.cc (Layout::add_target_dynamic_tags): New function.
3538         * layout.h (class Layout): Update declarations.
3539         * arm.cc (Target_arm::do_finalize_sections): Use
3540         add_target_dynamic_tags.
3541         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3542         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3543         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3544         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3545
3546 2010-01-07  Ian Lance Taylor  <iant@google.com>
3547
3548         PR 11042
3549         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3550         object as needed.
3551
3552 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3553             Ian Lance Taylor  <iant@google.com>
3554
3555         PR 11019
3556         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3557         Xindex::read_symtab_xindex.
3558
3559 2010-01-07  Doug Kwan  <dougkwan@google.com>
3560
3561         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3562         (Insn_template::thumb16_bcond_insn): New method declaration.
3563         (Insn_template): Fix spelling.
3564         (Stub::thumb16_special): New method declaration.
3565         (Stub::do_write): Define virtual method which was previously pure
3566         virtual.
3567         (Stub::do_thumb16_special): New method declaration.
3568         (Stub::do_fixed_endian_write): New template member.
3569         (Reloc_stub::do_write): Remove.
3570         (Reloc_stub::do_fixed_endian_write): Remove.
3571         (Cortex_a8_stub): New class definition.
3572         (Stub_factory::make_cortex_a8_stub): New method definition.
3573         (Stub_factory::Stub_factory): Add missing static storage class
3574         qualifier for elf32_arm_stub_a8_veneer_blx.
3575
3576 2010-01-07  Ian Lance Taylor  <iant@google.com>
3577
3578         PR 10980
3579         * options.h (class General_options): Add --warn-unresolved-symbols
3580         and --error-unresolved-symbols.
3581         * errors.cc (Errors::undefined_symbol): Implement
3582         --warn-unresolved-symbols.
3583
3584         * options.h (class General_options): Add -z text and -z textoff.
3585         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3586
3587 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3588
3589         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3590         (Garbage_collection::cident_sections): New function.
3591         (Garbage_collection::add_cident_section): New function.
3592         (Garbage_collection::cident_sections_): New member.
3593         (gc_process_relocs): Add references to sections whose names are C
3594         identifiers.
3595         * gold.h (cident_section_start_prefix): New constant.
3596         (cident_section_stop_prefix): New constant.
3597         (is_cident): New function.
3598         * layout.cc (Layout::define_section_symbols): Replace string constants
3599         with the newly defined constants.
3600         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3601         C identifiers.
3602         * testsuite/Makefile.am: Add gc_orphan_section_test.
3603         * testsuite/Makefile.in: Regenerate.
3604         * testsuite/gc_orphan_section_test.cc: New file.
3605         * testsuite/gc_orphan_section_test.sh: New file.
3606
3607 2010-01-06  Ian Lance Taylor  <iant@google.com>
3608
3609         PR 10980
3610         * options.h (class General_options): Add --warn-shared-textrel.
3611         * layout.cc (Layout::finish_dynamic_section): Implement
3612         --warn-shared-textrel.
3613
3614         PR 10980
3615         * options.h (class General_options): Add --warn-multiple-gp.
3616
3617 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3618
3619         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3620         $(THREADSLIB) and $(LIBDL).
3621         * Makefile.in: Rebuild.
3622
3623 2010-01-06  Ian Lance Taylor  <iant@google.com>
3624
3625         PR 10980
3626         * options.cc (General_options::parse_section_start): New function.
3627         (General_options::section_start): New function.
3628         (General_options::General_options): Initialize all members.
3629         * options.h: Include <map>
3630         (class General_options): Add --section-start.  Add section_starts_
3631         member.
3632         * layout.cc (Layout::attach_allocated_section_to_segment): If
3633         --section-start was used, set the address of the segment.  Remove
3634         local sort_sections.
3635         (Layout::relaxation_loop_body): If the address of the load segment
3636         has been set by --section-start, don't use it.
3637         * output.h (Output_segment::update_flags_for_output_section): New
3638         function.
3639         * output.cc (Output_segment::add_output_section): Call
3640         update_flags_for_output_section.
3641
3642 2010-01-05  Ian Lance Taylor  <iant@google.com>
3643
3644         PR 10980
3645         * options.h (class General_options): Add --undefined-version.
3646         * script.cc (struct Version_expression): Add was_matched_by_symbol
3647         field.
3648         (Version_script_info::matched_symbol): New function.
3649         (Version_script_info::get_symbol_version_helper): Call
3650         matched_symbol.
3651         (Version_script_info::check_unmatched_names): New function.
3652         * script.h (class Version_script_info): Update declarations.
3653         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3654
3655         * options.h (class General_options): Use DEFINE_bool_alias for
3656         allow_multiple_definition.
3657         * resolve.cc (Symbol_table::should_override): Don't test
3658         allow_multiple_definition.
3659
3660         PR 10980
3661         * options.h (class General_options): Add --cref.
3662         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3663         until after printing cref table.
3664         * cref.cc: Include "symtab.h".
3665         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3666         (Cref_table_compare::operator()): New function.
3667         (Cref_inputs::gather_cref): New function.
3668         (filecol): New static const.
3669         (Cref_inputs::print_cref): New function.
3670         (Cref::print_cref): New function.
3671         * cref.h: Include <cstdio>.
3672         (class Cref): Update declarations.
3673         * mapfile.h (Mapfile::file): New function.
3674         * object.h (class Object): Define Symbols.  Declare virtual
3675         do_get_global_symbols.
3676         (Object::get_global_symbols): New function.
3677         * object.cc (Input_objects::add_object): Pass object to cref_ if
3678         --cref.
3679         (Input_objects::archive_start): Likewise.
3680         (Input_objects::archive_stop): Likewise.
3681         (Input_objects::print_cref): New function.
3682         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3683         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3684         --cref.
3685         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3686         function.
3687         * plugin.h (class Sized_pluginobj): Update declarations.
3688
3689 2010-01-05  Ian Lance Taylor  <iant@google.com>
3690
3691         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3692         to is_default_version.  Rename insdef to insdefault.
3693         (Symbol_table::add_from_relobj): Rename def to is_default_version
3694         and local to is_forced_local.
3695         (Symbol_table::add_from_pluginobj): Likewise.
3696         (Symbol_table::add_from_dynobj): Likewise.
3697         (Symbol_table::define_special_symbol): Rename insdef to
3698         insdefault.
3699
3700 2010-01-04  Ian Lance Taylor  <iant@google.com>
3701
3702         PR 10980
3703         * options.h (class General_options): Add
3704         --allow-multiple-definition and -z muldefs.
3705         * resolve.cc (Symbol_table::should_override): Don't warn about a
3706         multiple symbol definition if --allow-multiple-definition or -z
3707         muldefs.
3708
3709         PR 10980
3710         * options.h (class General_options): Add --add-needed and
3711         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3712         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3713         error if --copy-dt-needed-entries aka --add-needed is used and
3714         would cause a change in behaviour.
3715
3716         PR 10980
3717         * options.h (class General_options): Add -G as a short version of
3718         --shared.  Add no-op options -assert, -g, and -i.
3719
3720 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3721
3722         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3723         check for .text or .gnu.linkonce.t sections.
3724         * icf.cc (Icf::find_identical_sections): Ditto.
3725         Change the detection for mangled function name within the section
3726         name.
3727         * icf.h (is_section_foldable_candidate): New function.
3728
3729 2009-12-30  Ian Lance Taylor  <iant@google.com>
3730
3731         PR 10980
3732         * options.h (class General_options): Permit two dashes with
3733         --retain-symbols-file.
3734
3735 2009-12-30  Ian Lance Taylor  <iant@google.com>
3736
3737         PR 10979
3738         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3739         don't put the file header and segment headers in the text
3740         segment.
3741
3742         PR 10979
3743         * common.cc (Sort_commons::operator()): Stabilize sort when both
3744         entries are NULL.
3745         (Symbol_table::do_allocate_commons_list): When allocating common
3746         symbols, skip a symbol which is no longer common.
3747         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3748         an object before checking its type.
3749         * testsuite/common_test_2.c: New file.
3750         * testsuite/common_test_3.c: New file.
3751         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3752         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3753         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3754         (common_test_2_pic.o, common_test_2.so): New targets.
3755         (common_test_3_pic.o, common_test_3.so): New targets.
3756         * testsuite/Makefile.in: Rebuild.
3757
3758         PR 10979
3759         * script.cc (read_input_script): If we see a new SECTIONS clause,
3760         and we have added an input section, give an error.
3761         * layout.h (class Layout): Add have_added_input_section function.
3762         Add have_added_input_section_ field.
3763         * layout.cc (Layout::Layout): Initialize
3764         have_added_input_section_.
3765         (Layout::layout): Set have_added_input_section_.
3766         (Layout::layout_eh_frame): Likewise.
3767
3768 2009-12-30  Ian Lance Taylor  <iant@google.com>
3769
3770         PR 10931
3771         * options.h (class General_options): Add --sort-common option.
3772         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3773         * common.cc (Sort_common): Add sort_order parameter to
3774         constructor.  Add sort_order_ field.
3775         (Sort_commons::operator): Check sort_order_.
3776         (Symbol_table::allocate_commons): Determine the sort order.
3777         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3778         Change all callers.
3779         (Symbol_table::do_allocate_commons_list): Likewise.
3780
3781 2009-12-30  Ian Lance Taylor  <iant@google.com>
3782
3783         PR 10916
3784         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3785         symbols from this object, don't change the visibility of an
3786         undefined symbol.
3787         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3788
3789 2009-12-30  Ian Lance Taylor  <iant@google.com>
3790
3791         PR 10861
3792         * script.h (class Version_script_info): Define Language enum.
3793         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3794         new fields globals_, locals_, and is_finalized_.
3795         * script.cc: Various formatting fixes.
3796         (class Parser_closure): Change language_stack_ from a vector of
3797         std::string to one of Version_script_info::Language.  Adjust all
3798         uses accordingly.
3799         (class Lazy_demangler): Remove.
3800         (struct Version_expression): Change language from std::string to
3801         Version_script_info::Language.
3802         (Version_script_info::Version_script_info): New function.
3803         (Version_script_info::~Version_script_info): Don't call clear.
3804         (Version_script_info::finalize): New function.
3805         (Version_script_info::build_lookup_tables): New function.
3806         (Version_script_info::build_expression_list_lookup): New
3807         function.
3808         (Version_script_info::get_symbol_version_helper): Rewrite to use
3809         lookup tables.
3810         (Version_script_info::print_expression_list): Adjust to use
3811         Version_script_info::Language.
3812         (script_push_lex_into_version_mode): Check that the version script
3813         has not been finalized.
3814         (version_script_push_lang): Change language string to
3815         Version_script_info::Language.
3816         * options.cc (Command_line::version_script): New function.
3817         * options.h (class General_options): Add finalize_dynamic_list
3818         function.  Change version_script from declaration to definition.
3819         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3820         * testsuite/version_script.map: Remove duplicate def of foo.
3821         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3822         version_script.map.
3823         * testsuite/Makefile.in: Rebuild.
3824
3825 2009-12-30  Ian Lance Taylor  <iant@google.com>
3826
3827         PR 10843
3828         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3829         if the input symbol index is 0, make the output symbol index 0.
3830
3831 2009-12-30  Ian Lance Taylor  <iant@google.com>
3832
3833         PR 10670
3834         * options.h (class General_options): Add -x/--discard-all.
3835         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3836         --discard-all.  If the local symbol needs a dynamic entry, check
3837         that before handling --discard-locals.
3838
3839 2009-12-30  Ian Lance Taylor  <iant@google.com>
3840
3841         PR 10450
3842         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3843         flags to PF_R.
3844         (Output_segment::add_output_section): Don't change the flags if
3845         the type is PT_TLS.
3846
3847         PR 10450
3848         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3849         GNU hash table if they need a dynamic value.  Otherwise, don't add
3850         them if they are defined in a dynamic object or are forced local.
3851
3852 2009-12-29  Ian Lance Taylor  <iant@google.com>
3853
3854         PR 10450
3855         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3856         .gnu.hash table for a 32-bit target.
3857
3858         PR 10450
3859         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3860         regular and a dynamic object only needs a dynamic symbol table
3861         entry if it is externally visible.
3862
3863         PR 10450
3864         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3865         constructor.  Add global_offset_table_ field.
3866         (Target_i386::got_section): Set global_offset_table_.
3867         (Target_i386::do_finalize_sections): Set global_offset_table_
3868         size.
3869         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3870         in constructor.  Add global_offset_table_ field.
3871         (Target_x86_64::got_section): Set global_offset_table_.
3872         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3873         size.
3874
3875         * layout.cc (Layout::Layout): Initialize increase_relro_.
3876         (Layout::get_output_section): Add is_relro, is_last_relro, and
3877         is_first_non_relro parameters.  Change all callers.
3878         (Layout::choose_output_section): Likewise.
3879         (Layout::add_output_section_data): Likewise.
3880         (Layout::make_output_section): Likewise.
3881         (Layout::set_segment_offsets): Clear increase_relro when using a
3882         linker script.
3883         * layout.h (class Layout): Add increase_relro method.  Add
3884         increase_relro_ field.  Update declarations.
3885         * output.cc (Output_section::Output_section): Initialize
3886         is_last_relro_ and is_first_non_relro_.
3887         (Output_segment::add_output_section): Group relro sections is
3888         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3889         (Output_segment::maximum_alignment): Remove relro handling.
3890         (Output_segment::set_section_addresses): Add increase_relro
3891         parameter.  Change all callers.  Add initial alignment to align
3892         relro sections on separate page.  Remove old relro handling.
3893         (Output_segment::set_section_list_addresses): Remove in_relro
3894         parameter.  Change all callers.
3895         (Output_segment::set_offset): Add increase parameter.  Change all
3896         callers.  Remove old relro handling.
3897         * output.h (class Output_section): Add new methods: is_last_relro,
3898         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3899         Add is_last_relro_ and is_first_non_relro_ fields.
3900         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3901         Create separate .got.plt section.  Call increase_relro.
3902         * x86_64.cc (Target_x86_64::got_section): Likewise.
3903         * testsuite/relro_script_test.t: Add .got.plt.
3904
3905         PR 10450
3906         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3907         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3908         (Layout::finalize): Call set_dynamic_symbol_size.
3909         (Layout::set_dynamic_symbol_size): New function.
3910         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
3911         set_dynamic_symbol_size.
3912
3913         PR 10450
3914         * output.h (class Output_section): Add is_entsize_zero_ field.
3915         * output.cc (Output_section::Output_section): Initialize
3916         is_entsize_zero_.
3917         (Output_section::set_entsize): If two different entsizes are
3918         requested, force it to zero.
3919         (Output_section::add_input_section): Set flags for .debug_str
3920         before updating section flags.  Set entsize.
3921         (Output_section::update_flags_for_input_section): Set SHF_MERGE
3922         and SHF_STRING if all input sections have those flags.
3923
3924 2009-12-29   Rafael Espindola  <espindola@google.com>
3925
3926         * main.cc (main): Fix the sys time reporting.
3927         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3928         reporting.
3929
3930 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
3931
3932         * options.cc (General_options::parse_version): Allow -v to exit
3933         without an error if there is nothing to link.
3934
3935 2009-12-29  Ian Lance Taylor  <iant@google.com>
3936
3937         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3938         using a version of gcc before 4.1.
3939         * configure: Rebuild.
3940
3941 2009-12-28  Chris Demetriou  <cgd@google.com>
3942
3943         * attributes.cc (Output_attributes_section_data::do_write): Use
3944         std::vector::front rather than std::vector::data.
3945
3946 2009-12-28  Ian Lance Taylor  <iant@google.com>
3947
3948         * symtab.h (class Symbol_table): Add enum Defined.
3949         * resolve.cc (Symbol_table::should_override): Add defined
3950         parameter.  Change all callers.  Test whether object is NULL
3951         before calling a method on it.
3952         (Symbol_table::report_resolve_problem): Add defined parameter.
3953         Change all callers.
3954         (Symbol_table::should_override_with_special): Likewise.
3955         * symtab.cc (Symbol_table::define_in_output_data): Add defined
3956         parameter.  Change all callers.
3957         (Symbol_table::do_define_in_output_data): Likewise.
3958         (Symbol_table::define_in_output_segment): Likewise.
3959         (Symbol_table::do_define_in_output_segment): Likewise.
3960         (Symbol_table::define_as_constant): Likewise.
3961         (Symbol_table::do_define_as_constant): Likewise.
3962         * script.h (class Symbol_assignment): Add is_defsym parameter to
3963         constructor; change all callers.
3964         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
3965         parameter.  Change all callers.  Add is_defsym_ field.
3966         (class Parser_closure): Add parsing_defsym parameter to
3967         constructor; change all callers.  Add parsing_defsym accessor
3968         function.  Add parsing_defsym_ field.
3969
3970 2009-12-28  Ian Lance Taylor  <iant@google.com>
3971
3972         * gold.cc (queue_middle_tasks): Fix formatting.
3973         * object.cc (Relobj::is_section_name_included): Likewise.
3974
3975 2009-12-23  Ian Lance Taylor  <iant@google.com>
3976
3977         * i386.cc (Target_i386::do_calls_non_split): Recognize
3978         -fsplit-stack prologue for a function with a static chain.
3979         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
3980         -fsplit-stack prologue when using %r11.
3981
3982 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
3983
3984         * options.cc (General_options::parse_version): Make -v continue and do
3985         the link like GNU ld does.
3986
3987 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
3988
3989         * Makefile.am (CCFILES): Add timer.cc.
3990         (HFILES): Add timer.h.
3991         * configure.ac: Check for sysconf and times.
3992         * main.cc: include timer.h.
3993         (main): Use Timer instead of get_run_time.
3994         * timer.cc: New.
3995         * timer.h: New.
3996         * workqueue.cc: include timer.h.
3997         (Workqueue::find_and_run_task):
3998         Report user, sys and wall time.
3999         * Makefile.in: Regenerate.
4000         * config.in: Regenerate.
4001         * configure: Regenerate.
4002
4003 2009-12-16  Doug Kwan  <dougkwan@google.com>
4004
4005         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4006         sections.
4007         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4008         relaxed input sections.
4009         * output.cc (Output_section::find_relaxed_input_section): Change
4010         return type to Output_relaxed_input_section pointer.  Adjust code
4011         for new type of relaxed_input_section_map_.
4012         * output.h (Output_section::find_relaxed_input_section): Change
4013         return type to Output_relaxed_input_section pointer.
4014         (Output_section::Output_relaxed_input_section_by_input_section_map):
4015         New type.
4016         (Output_section::relaxed_input_section_map_): Change type to
4017         Output_section::Output_relaxed_input_section_by_input_section_map.
4018         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4019         input section.
4020
4021 2009-12-15  Ian Lance Taylor  <iant@google.com>
4022
4023         * layout.cc (Layout::create_shstrtab): Only write out after input
4024         sections if we are compressing debug sections.
4025
4026 2009-12-15  Ian Lance Taylor  <iant@google.com>
4027
4028         * archive.cc (Archive::add_symbols): Only look up a symbol without
4029         a version if there is, in fact, a version.
4030
4031 2009-12-14  Ian Lance Taylor  <iant@google.com>
4032
4033         Revert -Wshadow changes, all changes from:
4034         2009-12-11  Doug Kwan  <dougkwan@google.com>
4035         2009-12-11  Nick Clifton  <nickc@redhat.com>
4036         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4037
4038 2009-12-11  Doug Kwan  <dougkwan@google.com>
4039
4040         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4041         due to -Wshadow.
4042         * attributes.cc (Object_attribute::size): Ditto.
4043         (Attributes_section_data::size): Ditto.
4044         (Attributes_section_data::Attributes_section_data): Ditto.
4045         (Output_attributes_section_data::do_write): Ditto.
4046         * attributes.h (Object_attribute::set_type): Ditto.
4047         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4048
4049 2009-12-11  Nick Clifton  <nickc@redhat.com>
4050
4051         * archive.cc: Fix shadowed variable warnings.
4052         * arm.cc: Likewise.
4053         * compressed_output.cc: Likewise.
4054         * compressed_output.h: Likewise.
4055         * configure: Likewise.
4056         * dwarf_reader.cc: Likewise.
4057         * dynobj.cc: Likewise.
4058         * dynobj.h: Likewise.
4059         * ehframe.cc: Likewise.
4060         * ehframe.h: Likewise.
4061         * errors.cc: Likewise.
4062         * expression.cc: Likewise.
4063         * fileread.cc: Likewise.
4064         * fileread.h: Likewise.
4065         * freebsd.h: Likewise.
4066         * i386.cc: Likewise.
4067         * icf.cc: Likewise.
4068         * incremental.h: Likewise.
4069         * layout.cc: Likewise.
4070         * layout.h: Likewise.
4071         * mapfile.cc: Likewise.
4072         * merge.cc: Likewise.
4073         * merge.h: Likewise.
4074         * object.cc: Likewise.
4075         * object.h: Likewise.
4076         * options.h: Likewise.
4077         * output.cc: Likewise.
4078         * output.h: Likewise.
4079         * parameters.cc: Likewise.
4080         * plugin.cc: Likewise.
4081         * powerpc.cc: Likewise.
4082         * reduced_debug_output.cc: Likewise.
4083         * reduced_debug_output.h: Likewise.
4084         * reloc.cc: Likewise.
4085         * reloc.h: Likewise.
4086         * resolve.cc: Likewise.
4087         * script-sections.cc: Likewise.
4088         * script.cc: Likewise.
4089         * script.h: Likewise.
4090         * sparc.cc: Likewise.
4091         * symtab.cc: Likewise.
4092         * symtab.h: Likewise.
4093         * target-select.cc: Likewise.
4094         * target-select.h: Likewise.
4095         * token.h: Likewise.
4096         * workqueue.cc: Likewise.
4097         * workqueue.h: Likewise.
4098         * x86_64.cc: Likewise.
4099
4100 2009-12-10  Doug Kwan  <dougkwan@google.com>
4101
4102         * arm.cc (attributes.h): New include.
4103         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4104         (Arm_relobj::~Arm_relobj): Delete object pointed by
4105         attributes_section_data_.
4106         (Arm_relobj::attributes_section_data): New method definition.
4107         (Arm_relobj::attributes_section_data_): New data member declaration.
4108         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4109         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4110         attributes_section_data_.
4111         (Arm_dynobj::attributes_section_data): New method definition.
4112         (Arm_dynobj::attributes_section_data_): New data member declaration.
4113         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4114         initialization value of may_use_blx_ to false.
4115         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4116         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4117         object attributes to compute results instead of hard-coding.
4118         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4119         Target_arm::get_secondary_compatible_arch,
4120         Target_arm::set_secondary_compatible_arch
4121         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4122         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4123         New method declarations.
4124         (Target_arm::get_aeabi_object_attribute): New method definition.
4125         (Target_arm::attributes_section_data_): New data member declaration.
4126         (read_arm_attributes_section): New template definition.
4127         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4128         (Arm_dynobj::do_read_symbols): Ditto.
4129         (Target_arm::do_finalize_sections): Merge attributes sections from
4130         input.  Check for BLX use after attributes section merging.
4131         Fix __exidx_start and __exidx_end visibility.  Create an
4132         .ARM.attributes section if necessary.
4133         (Target_arm::get_secondary_compatible_arch,
4134         Target_arm::set_secondary_compatible_arch,
4135         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4136         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4137         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4138         New method definitions.
4139
4140 2009-12-09  Ian Lance Taylor  <iant@google.com>
4141
4142         * plugin.cc (Plugin::load): Don't cast from void* to a function
4143         pointer.
4144
4145 2009-12-09  Ian Lance Taylor  <iant@google.com>
4146
4147         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4148         information fields.
4149
4150 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4151
4152         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4153         Replace two_file_shared_1.so with two_file_shared_2.so.
4154         * testsuite/Makefile.in: Regenerated.
4155
4156 2009-12-08  Doug Kwan  <dougkwan@google.com>
4157
4158         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4159         (HFILES): Add attributes.h and int_encoding.h.
4160         * Makefile.in: Regenerate.
4161         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4162         function definitions to int_encoding.cc
4163         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4164         prototypes to int_encoding.h
4165         * reduced_debug_output.cc (int_encoding.h): New include.
4166         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4167         function definitions to int_encoding.cc
4168         (insert_into_vector, read_from_pointer): Move template definitions to
4169         int_encoding.h
4170         * attributes.cc: New file.
4171         * attributes.h: New file.
4172         * int_encoding.cc: New file.
4173         * int_encoding.h: New file.
4174
4175 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4176
4177         PR gold/11055
4178         * incremental-dump.cc (dump_incremental_inputs): New.
4179         (main): Use dump_incremental_inputs.
4180
4181 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4182
4183         PR gold/10893
4184         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4185         checking elfcpp::STT_FUNC.
4186         (Target_i386::Relocate::relocate): Likewise.
4187         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4188
4189         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4190         symbols from shared libraries into normal FUNC symbols.
4191
4192         * symtab.h (Symbol): Add is_func and use it.
4193
4194 2009-12-05  Doug Kwan  <dougkwan@google.com>
4195
4196         * arm.cc (Target_arm::arm_info): Initialize new fields
4197         attributes_section and attributes_vendor.
4198         * i386.cc (Target_i386::i386_info): Same.
4199         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4200         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4201         fields attributes_section and attributes_vendor.
4202         * sparc.cc (Target_sparc::sparc_info): Same.
4203         * target.h (Target::attributes_section, Target::attributes_vendor,
4204         Target::is_attributes_section, Target::attribute_arg_type,
4205         Target::attributes_order): New method definitions.
4206         (Target::Target_info::attributes_section,
4207         Target::Target_info::attributes_vendor): New fields.
4208         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4209         virtual method definitions.
4210         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4211         attributes_section and attributes_vendor.
4212         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4213
4214 2009-12-05  Doug Kwan  <dougkwan@google.com>
4215
4216         * arm.cc: Update comments about interworking and stub generation.
4217         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4218         considered as non-PIC.
4219         (Arm_relocate_functions::base_abs): Fix formatting.
4220         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4221         of function to use GOT entry address instead of offset.
4222         (Target_arm::Scan::global): Issue an error if a symbol would need a
4223         PLT does not get one because it is untyped.  Remove code to create
4224         dynamic symbols for relative branches.
4225         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4226         takes unsigned integer instead of boolean.
4227
4228 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4229
4230         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4231         (two_file_test_LDADD): Likewise.
4232         (common_test_1_LDADD): Likewise.
4233         (exception_test_LDADD) Likewise.
4234         (weak_test_LDADD): Likewise.
4235         (many_sections_test_LDADD): Likewise.
4236         (initpri1_LDADD): Likewise.
4237         (script_test_1_LDADD): Likewise.
4238         (script_test_2_LDADD): Likewise.
4239         (justsyms_LDADD): Likewise.
4240         (binary_test_LDADD): Likewise.
4241         (large_LDADD): Likewise.
4242         * testsuite/Makefile.in: Regenerated.
4243
4244 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4245
4246         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4247         (Symbol_table::override_with_special): Likewise.
4248         (Symbol_table::add_from_object): Likewise.
4249
4250 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4251
4252         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4253         Don't set the data_offset twice.
4254
4255 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4256
4257         * testsuite/Makefile.in: Regenerate.
4258
4259 2009-12-03  Doug Kwan  <dougkwan@google.com>
4260
4261         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4262         (Target_arm::do_finalize_sections): Add parameter for symbol table
4263         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4264         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4265         parameter for symbol table pointer.
4266         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4267         an additional parameter for a pointer to symbol table.
4268         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4269         parameter for a symbol table pointer.
4270         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4271         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4272         Ditto.
4273         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4274         parameter for a symbol table pointer.
4275
4276 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4277
4278         * incremental.cc (Incremental_inputs_header)
4279         (Incremental_inputs_header_write, Incremental_inputs_entry)
4280         (Incremental_inputs_entry_write): Move ...
4281         * incremental.h (Incremental_inputs_header)
4282         (Incremental_inputs_header_write, Incremental_inputs_entry)
4283         (Incremental_inputs_entry_write): here.
4284
4285 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4286
4287         * incremental.cc (make_sized_incremental_binary): Set the target.
4288         Error if it is incompatible.
4289         * output.h (Output_file): Add filename method.
4290
4291 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4292
4293         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4294         from the get_* methods.
4295
4296 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4297
4298         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4299         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4300         Write 0 for the data_offset of scripts.
4301
4302 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4303
4304         * testsuite/Makefile.am: Add the incremental_test.sh test.
4305         * testsuite/incremental_test.sh: New.
4306         * testsuite/incremental_test_1.c: New.
4307         * testsuite/incremental_test_2.c: New.
4308
4309 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4310
4311        * incremental-dump.cc (main): Fix typos.
4312
4313 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4314
4315         PR gold/11025
4316         * incremental-dump.cc (main): Use llu to print 64 bit values.
4317
4318 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
4319             H.J. Lu  <hongjiu.lu@intel.com>
4320
4321         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4322         $(LIBDL).
4323         (incremental_dump_LDADD): Likewise.
4324         * Makefile.in: Regenerated.
4325
4326 2009-11-25  Doug Kwan  <dougkwan@google.com>
4327
4328         Revert:
4329
4330         2009-11-25  Doug Kwan  <dougkwan@google.com>
4331
4332                 * arm.cc (Target_arm::Target_arm): Move method definition
4333                 outside of class definition.  Add code to handle
4334                 --target1-rel, --target1-abs and --target2= options.
4335                 (Target_arm::get_reloc_reloc_type): Change method to be
4336                 non-static and const.
4337                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4338                 New data member declaration.
4339                 (Target_arm::Scan::local, Target_arm::Scan::global,
4340                 Target_arm::Relocate::relocate,
4341                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4342                 Adjust call to Target_arm::get_real_reloc_type.
4343                 (Target_arm::get_real_reloc_type): Use command line options
4344                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4345                 * options.h (--target1-rel, --target1-abs, --target2): New
4346                 ARM-only options.
4347
4348 2009-11-25  Doug Kwan  <dougkwan@google.com>
4349
4350         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4351         class definition.  Add code to handle --target1-rel, --target1-abs
4352         and --target2= options.
4353         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4354         and const.
4355         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4356         member declaration.
4357         (Target_arm::Scan::local, Target_arm::Scan::global,
4358         Target_arm::Relocate::relocate,
4359         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4360         call to Target_arm::get_real_reloc_type.
4361         (Target_arm::get_real_reloc_type): Use command line options to
4362         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4363         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4364         options.
4365
4366 2009-11-25  Doug Kwan  <dougkwan@google.com>
4367
4368         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4369         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4370         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4371         formatting.
4372         (Arm_relocate_functions::thm_call): Replace body with a call to
4373         Arm_relocate_functions::thumb_branch_common.
4374         (Arm_relocate_functions::thm_jump24,
4375         Arm_relocate_functions::thm_xpc22): New method definitions.
4376         (Arm_relocate_functions::thumb_branch_common): New method definition.
4377         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4378         operator.
4379         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4380         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4381
4382 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4383
4384         * Makefile.am: Build incremental-dump
4385         * Makefile.in: Regenerate.
4386         * incremental-dump.cc: New.
4387         * incremental.cc (Incremental_inputs_header_data,
4388         Incremental_inputs_entry_data): Move to incremental.h
4389         * incremental.h: (Incremental_inputs_header_data,
4390         Incremental_inputs_entry_data): Move from incremental.cc
4391
4392 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4393
4394         * incremental.cc (Incremental_inputs_header,
4395         Incremental_inputs_header_write, Incremental_inputs_entry,
4396         Incremental_inputs_entry_write): Add a typedef with the data type.
4397
4398 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4399
4400         * incremental.cc (Incremental_inputs_header,
4401         Incremental_inputs_header_write, Incremental_inputs_entry,
4402         Incremental_inputs_entry_write): Update comment about which
4403         type has the filed descriptions.
4404
4405 2009-11-15  Doug Kwan  <dougkwan@google.com>
4406
4407         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4408         (Arm_relocate_functions::arm_branch_common): Change method defintion
4409         in class definition to a method declaration and update list of formal
4410         parameters.
4411         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4412         Arm_relocation_functions::jump24): Adjust call to
4413         Arm_relocate_functions::arm_branch_common.  Update list of formal
4414         parameters.
4415         (Arm_relocate_functions::xpc25): New method definition.
4416         (Arm_relocate_functions::arm_branch_common): Move method defintion
4417         out from class definition.  Use stubs for mode-switching and extending
4418         branch ranges.
4419         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4420         specially.  Change code to enable use of stubs in ARM branches.
4421
4422 2009-11-10  Doug Kwan  <dougkwan@google.com>
4423
4424         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4425         in method declaration.
4426         (Target_arm::relocate_stub): New method declaration.
4427         (Target_arm::default_target): Change to return a pointer instead of
4428         a const reference.
4429         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4430         Target_arm::default_target.
4431         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4432         method definition.
4433         (Target_arm::relocate_section): Adjust view.
4434         (Target_arm::relocate_stub): New method definition.
4435
4436 2009-11-10  Doug Kwan  <dougkwan@google.com>
4437
4438         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4439         a format warning.
4440         * incremental.cc (open_incremental_binary): Initialized local
4441         variables to avoid warnings.
4442         * object.cc (make_elf_object): Ditto.
4443         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4444         a format warning.
4445
4446 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4447
4448         PR gold/10930
4449         * testsuite/plugin_test.c: Include "config.h".
4450
4451 2009-11-09  Doug Kwan  <dougkwan@google.com>
4452
4453         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4454         (arm_symbol_value): Remove.
4455         (Arm_relocate_functions::arm_branch_common,
4456         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4457         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4458         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4459         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4460         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4461         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4462         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4463         Arm_relocate_functions::thm_mobw_abs_nc,
4464         Arm_relocate_functions::thm_mov_abs,
4465         Arm_relocate_functions::movw_prel_nc,
4466         Arm_relocate_functions::thm_movt_abs,
4467         Arm_relocate_functions::movt_prel,
4468         Arm_relocate_functions::thm_movw_prel_nc,
4469         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4470         (Target_arm::Relocate::relocate): Only decompose address into two
4471         parts if relocation type uses the thumb-bit and pass the actual
4472         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4473         calls to methods in Arm_relocate_functions for this change.
4474
4475 2009-11-08  Ian Lance Taylor  <iant@google.com>
4476
4477         PR 10925
4478         * reloc.cc: Instantiate
4479         Sized_relobj::initialize_input_to_output_maps and
4480         Sized_relobj:free_input_to_output_maps.
4481
4482 2009-11-06  Ian Lance Taylor  <iant@google.com>
4483
4484         PR 10876
4485         * defstd.cc (in_segment): Set only_if_ref true for "end".
4486
4487 2009-11-06  Doug Kwan  <dougkwan@google.com>
4488
4489         * arm.cc (class Reloc_stub): Correct a comment.
4490         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4491         (Target_arm::scan_section_for_stubs): New method declaration.
4492         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4493         Change methods from private to protected.
4494         (Target_arm::do_may_relax): New method definition.
4495         (Target_arm::do_relax, Target_arm::group_sections,
4496         Target_arm::scan_reloc_for_stub,
4497         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4498         (Target_arm::arm_input_section_map_): New data member declaration.
4499         (Target_arm::scan_reloc_for_stub,
4500         Target_arm::scan_reloc_section_for_stubs,
4501         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4502         Target_arm::do_relax): New method definitions.
4503
4504 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4505
4506         * configure.ac: Check for (struct stat)::st_mtim
4507         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4508         * config.in: Regenerate.
4509         * configure: Regenerate.
4510
4511 2009-11-05  Ian Lance Taylor  <iant@google.com>
4512
4513         PR 10910
4514         * output.cc (Output_segment::add_output_section): Add missing
4515         return statement.
4516
4517 2009-11-04  Ian Lance Taylor  <iant@google.com>
4518
4519         PR 10880
4520         * object.h (class Object): Add is_needed and set_is_needed
4521         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4522         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4523         defined in a dynamic object and referenced by a regular object,
4524         set is_needed for the dynamic object.
4525         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4526         if the file is marked with as_needed and it is not needed.
4527
4528 2009-11-04  Ian Lance Taylor  <iant@google.com>
4529
4530         PR 10887
4531         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4532         tags if data is discarded by linker script.
4533         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4534         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4535         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4536         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4537
4538 2009-11-04  Ian Lance Taylor  <iant@google.com>
4539
4540         * layout.cc (Layout::get_output_section): Add is_interp and
4541         is_dynamic_linker_section parameters.  Change all callers.
4542         (Layout::choose_output_section): Likewise.
4543         (Layout::make_output_section): Likewise.
4544         (Layout::add_output_section_data): Add is_dynamic_linker_section
4545         parameter.  Change all callers.
4546         * layout.h (class Layout): Update declarations.
4547         * output.h (class Output_section): Add is_interp, set_is_interp,
4548         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4549         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4550         generate_code_fills_at_write_ to a bitfield.
4551         * output.cc (Output_section::Output_sections): Initialize new
4552         fields.
4553         (Output_segment::add_output_section): Add do_sort parameter.
4554         Change all callers.
4555
4556 2009-11-03  Ian Lance Taylor  <iant@google.com>
4557
4558         PR 10860
4559         * options.h (class General_options): Add --warn-common.
4560         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4561         merging two common symbols.
4562         (Symbol_table::should_override): Handle --warn-common when merging
4563         a common symbol with a defined symbol.  Use report_resolve_problem
4564         for multiple definitions.
4565         (Symbol_table::report_resolve_problem): New function.
4566         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4567
4568 2009-11-03  Doug Kwan  <dougkwan@google.com>
4569
4570         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4571         stub_factory_.
4572         (Target_arm::stub_factory): New method definition.
4573         (Target_arm::new_arm_input_section,
4574         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4575         Target_arm::reloc_uses_thumb_bit): New method declarations.
4576         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4577         New type definitions.
4578         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4579         member declarations.
4580         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4581         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4582         New method definitions.
4583
4584 2009-11-03  Ian Lance Taylor  <iant@google.com>
4585
4586         * options.h (class General_options): Add --warn_constructors.
4587
4588 2009-11-03  Ian Lance Taylor  <iant@google.com>
4589
4590         PR 10893
4591         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4592         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4593
4594 2009-11-03  Ian Lance Taylor  <iant@google.com>
4595
4596         PR 10895
4597         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4598         --msgid-bugs-address.
4599         (install-pdf): New target.
4600         (install-data_yes): Look up one directory to find mkinstalldirs.
4601
4602 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4603
4604         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4605         tree.
4606
4607 2009-10-30  Doug Kwan  <dougkwan@google.com>
4608
4609         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4610
4611 2009-10-30  Doug Kwan  <dougkwan@google.com>
4612
4613         * arm.cc (Stub_addend_reader): New struct template definition
4614         and partial specializations.
4615         (Stub_addend_reader::operator()): New method definition for a
4616         partially specialized template.
4617
4618 2009-10-30  Doug Kwan  <dougkwan@google.com>
4619
4620         * arm.cc (Arm_relobj::processor_specific_flags): New method
4621         definition.
4622         (Arm_relobj::do_read_symbols): New method declaration.
4623         (Arm_relobj::processor_specific_flags_): New data member declaration.
4624         (Arm_dynobj): New class definition.
4625         (Target_arm::do_finalize_sections): Add input_objects parameter.
4626         (Target_arm::do_adjust_elf_header): New method declaration.
4627         (Target_arm::are_eabi_versions_compatible,
4628         (Target_arm::merge_processor_specific_flags): New method declaration.
4629         (Target_arm::do_make_elf_object): New overloaded method definitions
4630         and declaration.
4631         (Arm_relobj::do_read_symbols): New method definition.
4632         (Arm_dynobj::do_read_symbols): Ditto.
4633         (Target_arm::do_finalize_sections): Add input_objects parameters.
4634         Merge processor-specific flags from all input objects.
4635         (Target_arm::are_eabi_versions_compatible,
4636         Target_arm::merge_processor_specific_flags,
4637         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4638         New method definitions.
4639         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4640         Input_objects pointer type parameter.
4641         * layout.cc (Layout::finalize): Pass input objects to target's.
4642         finalize_sections function.
4643         * output.cc (Output_file_header::do_sized_write): Set ELF file
4644         header's processor-specific flags.
4645         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4646         Input_objects pointer type parameter.
4647         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4648         * target.h (Input_objects): New forward class declaration.
4649         (Target::processor_specific_flags,
4650         Target::are_processor_specific_flags_sect): New method definitions.
4651         (Target::finalize_sections): Add input_objects parameter.
4652         (Target::Target): Initialize processor_specific_flags_ and
4653         are_processor_specific_flags_set_.
4654         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4655         parameter.
4656         (Target::set_processor_specific_flags): New method definition.
4657         (Target::processor_specific_flags_,
4658         Target::are_processor_specific_flags_set_): New data member
4659         declarations.
4660         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4661         Input_objects pointer type parameter.
4662
4663 2009-10-30  Doug Kwan  <dougkwan@google.com>
4664
4665         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4666
4667 2009-10-28  Ian Lance Taylor  <iant@google.com>
4668
4669         * object.h (class Relobj): Drop options parameter from
4670         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4671         do_scan_relocs, do_relocate.  Change all callers.
4672         (class Sized_relobj): Drop options parameters from
4673         do_gc_process_relocs, do_scan_relocs, do_relocate,
4674         do_relocate_sections, relocate_sections, emit_relocs_scan,
4675         emit_relocs_scan_reltype.  Change all callers.
4676         (struct Relocate_info): Remove options field and all references to
4677         it.
4678         * reloc.h (class Read_relocs): Remove options constructor
4679         parameter and options_ field.  Change all callers.
4680         (class Gc_process_relocs, class Scan_relocs): Likewise.
4681         (class Relocate_task): Likewise.
4682         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4683         all callers.
4684         (scan_relocatable_relocs): Likewise.
4685         * target.h (class Sized_target): Remove options parameter from
4686         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4687         all callers.
4688         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4689         callers.
4690         * arm.cc: Update functions to remove options parameters.
4691         * i386.cc: Likewise.
4692         * powerpc.cc: Likewise.
4693         * sparc.cc: Likewise.
4694         * x86_64.cc: Likewise.
4695         * testsuite/testfile.cc: Likewise.
4696
4697 2009-10-28  Doug Kwan  <dougkwan@google.com>
4698
4699         * arm.cc (Arm_relobj): New class definition.
4700         (Arm_relobj::scan_sections_for_stubs,
4701         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4702         New method definitions.
4703
4704 2009-10-28  Cary Coutant  <ccoutant@google.com>
4705
4706         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4707         (Plugin::cleanup_done_): New member.
4708         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4709         (Plugin_manager::cleanup_done_): Remove.
4710         (Plugin_manager::add_input_file): Edit error message.
4711         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4712         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4713
4714 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4715
4716         * fileread.cc: (File_read::View::~View): Use the new
4717         data_ownership_ filed.
4718         (File_read::~File_read): Dispose the new whole_file_view_.
4719         (File_read::open): Mmap the whole file if needed.
4720         (File_read::open): Use whole_file_view_ instead of contents_.
4721         (File_read::find_view): Use whole_file_view_ if applicable.
4722         (File_read::do_read): Use whole_file_view_ instead of contents_.
4723         (File_read::make_view): Use whole_file_view_ instead of contents_,
4724         update File_read::View::View call.
4725         (File_read::find_or_make_view): Update File_read::View::View
4726         call.
4727         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4728         remove contents_
4729         (File_read::View::Data_ownership): New enum.
4730         (File_read::View::View): Replace bool mapped_ with Data_ownership
4731         argument.
4732         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4733         (File_read::View::data_ownership_): New field.
4734         (File_read::contents_): Remove (replaced by whole_file_view_).
4735         (File_read::whole_file_view_): New field.
4736         * options.h (class General_options): Add --keep-files-mapped.
4737
4738 2009-10-27  Cary Coutant  <ccoutant@google.com>
4739
4740         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4741         * testsuite/Makefile.am (plugin_test_5): New test case.
4742         * testsuite/Makefile.in: Regenerate.
4743
4744 2009-10-25  Doug Kwan  <dougkwan@google.com>
4745
4746         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4747         from private to protected to allow access by child class.
4748         (Sized_relobj::do_relocate_sections): New method declaration.
4749         (Sized_relobj::relocate_sections): Virtualize.
4750         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4751         Sized_relobj::relocate_sections.  Instantiate template explicitly
4752         for different target sizes and endianity.
4753
4754 2009-10-24  Doug Kwan  <dougkwan@google.com>
4755
4756         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4757         (Arm_input_section::as_arm_input_section): New method.
4758         (Arm_output_section): New class definition.
4759         (Arm_output_section::create_stub_group,
4760         Arm_output_section::group_sections): New method definitions.
4761
4762 2009-10-22  Doug Kwan  <dougkwan@google.com>
4763
4764         * arm.cc (Arm_input_section): New class definition.
4765         (Arm_input_section::init, Arm_input_section:do_write,
4766         Arm_input_section::set_final_data_size,
4767         Arm_input_section::do_reset_address_and_file_offset): New method
4768         definitions.
4769
4770 2009-10-21  Doug Kwan  <dougkwan@google.com>
4771
4772         * arm.cc (Stub_table, Arm_input_section): New forward class
4773         declarations.
4774         (Stub_table): New class defintion.
4775         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4776         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4777         New method definition.
4778
4779 2009-10-21  Doug Kwan  <dougkwan@google.com>
4780
4781         * arm.cc: Update copyright comments.
4782         (Target_arm): New forward class template declaration.
4783         (Arm_address): New type.
4784         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4785         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4786         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4787         constants.
4788         (Insn_template): Same.
4789         (DEF_STUBS): New macro.
4790         (Stub_type): New enum type.
4791         (Stub_template): New class definition.
4792         (Stub): Same.
4793         (Reloc_stub): Same.
4794         (Stub_factory): Same.
4795         (Target_arm::Target_arm): Initialize may_use_blx_ and
4796         should_force_pic_veneer_.
4797         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4798         Target_arm::should_force_pic_veneer,
4799         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4800         Target_arm::using_thumb_only, Target_arm:;default_target): New
4801         method defintions.
4802         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4803         New data member declarations.
4804         (Insn_template::size, Insn_template::alignment): New method defintions.
4805         (Stub_template::Stub_template): New method definition.
4806         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4807         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4808         (Stub_factory::Stub_factory): New method definition.
4809         * gold.h (string_hash): New template.
4810         * output.h (Input_section_specifier::hash_value): Use
4811         gold::string_hash.
4812         (Input_section_specifier::string_hash): Remove.
4813         * stringpool.cc (Stringpool_template::string_hash): Use
4814         gold::string_hash.
4815
4816 2009-10-20  Doug Kwan  <dougkwan@google.com>
4817
4818         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4819         symbols of relaxed input sections.
4820         * output.h (Output_section::find_relaxed_input_section): Make
4821         method public.
4822
4823 2009-10-16  Doug Kwan  <dougkwan@google.com>
4824
4825         * dynobj.cc (Versions::Versions): Initialize version_script_.
4826         Only insert base version symbol definition for a shared object
4827         if version script defines any version versions.
4828         (Versions::define_base_version): New method definition.
4829         (Versions::add_def): Check that base version is not needed.
4830         (Versions::add_need): Define base version lazily.
4831         * dynobj.h (Versions::define_base_version): New method declaration.
4832         (Versions::needs_base_version_): New data member declaration.
4833         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4834         (check_DATA): Add no_version_test.stdout.
4835         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4836         New make rules.
4837         * testsuite/Makefile.in: Regenerate.
4838         * testsuite/no_version_test.c: New file.
4839         * testsuite/no_version_test.sh: Ditto.
4840
4841 2009-10-16  Doug Kwan  <dougkwan@google.com>
4842
4843         * expression.cc (class Segment_start_expression): New class definition.
4844         (Segment_start_expression::value): New method definition.
4845         (script_exp_function_segment_start): Return a new
4846         Segment_start_expression.
4847         * gold/script-c.h (script_saw_segment_start_expression): New function
4848         prototype.
4849         * script-sections.cc (Script_sections::Script_sections): Initialize
4850         SAW_SEGMENT_START_EXPRESSION_ to false.
4851         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4852         and -Tbbs options to specify section addresses if given in
4853         command line and no SEGMENT_START expression is seen in a script.
4854         * script-sections.h (Script_sections::saw_segment_start_expression,
4855         Script_sections::set_saw_segment_start_expression): New method
4856         definition.
4857         (Script_sections::saw_segment_start_expression_): New data member
4858         declaration.
4859         * script.cc (script_saw_segment_start_expression): New function.
4860         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4861         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4862         script_test_7.sh and script_test_8.sh.
4863         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4864         script_test_8.stdout.
4865         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4866         (script_test_6, script_test_6.stdout, script_test_7,
4867         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4868         * Makefile.in: Regenerate.
4869         * testsuite/script_test_6.sh: New file.
4870         * testsuite/script_test_6.t: Same.
4871         * testsuite/script_test_7.sh: Same.
4872         * testsuite/script_test_7.t: Same.
4873         * testsuite/script_test_8.sh: Same.
4874
4875 2009-10-16  Doug Kwan  <dougkwan@google.com>
4876
4877         * output.cc (Output_segment::set_section_list_address): Cast
4878         expressions to unsigned long long type to avoid format warnings.
4879
4880 2009-10-15  Ian Lance Taylor  <iant@google.com>
4881
4882         * script.cc (Script_options::add_symbol_assignment): Always add a
4883         dot assignment to script_sections_.
4884         * script-sections.cc (Script_sections::add_dot_assignment):
4885         Initialize if necessary.
4886
4887         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4888         program headers with no load segment if there is a linker script.
4889
4890         * layout.cc (Layout::set_segment_offsets): Align the file offset
4891         to the segment aligment for -N or -n with no load segment.
4892         * output.cc (Output_segment::add_output_section): Don't crash if
4893         the first section is a TLS section.
4894         (Output_segment::set_section_list_addresses): Print an error
4895         message if the address moves backward in a linker script.
4896         * script-sections.cc
4897         (Output_section_element_input::set_section_addresses): Don't
4898         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4899         (Orphan_output_section::set_section_addresses): Likewise.
4900
4901 2009-10-15  Doug Kwan  <dougkwan@google.com>
4902
4903         * layout.cc (Layout::finish_dynamic_section): Generate tags
4904         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4905         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4906         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4907
4908 2009-10-14  Ian Lance Taylor  <iant@google.com>
4909
4910         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4911         fields.
4912         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4913         data_shdr fields of relinfo.
4914         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4915         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
4916         R_386_TLS_LDO_32, adjust based on section flags.
4917         (Target_i386::Relocate::fix_up_ldo): Remove.
4918
4919 2009-10-13  Ian Lance Taylor  <iant@google.com>
4920
4921         Add support for -pie.
4922         * options.h (class General_options): Add -pie and
4923         --pic-executable.
4924         (General_options::output_is_position_independent): Test -pie.
4925         (General_options::output_is_executable): Return true if not shared
4926         and not relocatable.
4927         (General_options::output_is_pie): Remove.
4928         * options.cc (General_options::finalize): Reject incompatible uses
4929         of -pie.
4930         * gold.cc (queue_middle_tasks): A -pie link is not static.
4931         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4932         * symtab.cc (Symbol::final_value_is_known): Return false if
4933         output_is_position_independent.
4934         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4935         output_is_position_independent.
4936         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4937         output_is_position_independent.
4938         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4939         output_is_position_independent.
4940         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4941         two_file_pie_test.
4942         (basic_pie_test.o, basic_pie_test): New targets.
4943         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4944         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
4945         (two_file_pie_test): New target.
4946         * testsuite/Makefile.in: Rebuild.
4947         * README: Remove note saying that -pie is not supported.
4948
4949 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4950
4951         * options.h (class General_options): Add -init and -fini.
4952         * layout.cc (Layout::finish_dynamic_section): Emit
4953         given init and fini functions.
4954
4955 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
4956
4957         * gc.h (gc_process_relocs): Check if icf is enabled using new
4958         function.
4959         * gold.cc (queue_initial_tasks): Likewise.
4960         (queue_middle_tasks): Likewise.
4961         * object.cc (do_layout): Likewise.
4962         * symtab.cc (is_section_folded): Likewise.
4963         * main.cc (main): Likewise.
4964         * reloc.cc (Read_relocs::run): Likewise.
4965         (Sized_relobj::do_scan_relocs): Likewise.
4966         * icf.cc (is_function_ctor_or_dtor): New function.
4967         (Icf::find_identical_sections): Check if function is ctor or dtor when
4968         safe icf is chosen.
4969         * options.h (General_options::icf): Change option to be an enum.
4970         (Icf_status): New enum.
4971         (icf_enabled): New method.
4972         (icf_safe_folding): New method.
4973         (set_icf_status): New method.
4974         (icf_status_): New variable.
4975         * (options.cc) (General_options::finalize): Set icf_status_.
4976         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
4977         icf_test and icf_keep_unique_test to use the --icf enum flag.
4978         * testsuite/icf_safe_test.sh: New file.
4979         * testsuite/icf_safe_test.cc: New file.
4980
4981 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
4982
4983         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
4984         includes to gc.h and icf.h.
4985         * arm.cc: Include gc.h.
4986         * gold.cc: Likewise.
4987         * i386.cc: Likewise.
4988         * powerpc.cc: Likewise.
4989         * sparc.cc: Likewise.
4990         * x86_64.cc: Likewise.
4991         * gc.h: Include icf.h.
4992
4993 2009-10-11  Ian Lance Taylor  <iant@google.com>
4994
4995         * plugin.cc: Include "gold.h" before other header files.
4996
4997 2009-10-10  Chris Demetriou  <cgd@google.com>
4998
4999         * options.h (Input_file_argument::Input_file_type): New enum.
5000         (Input_file_argument::is_lib_): Replace with...
5001         (Input_file_argument::type_): New member.
5002         (Input_file_argument::Input_file_argument): Take Input_file_type
5003         'type' rather than boolean 'is_lib' as second argument.
5004         (Input_file_argument::is_lib): Use type_.
5005         (Input_file_argument::is_searched_file): New function.
5006         (Input_file_argument::may_need_search): Handle is_searched_file.
5007         * options.cc (General_options::parse_library): Support -l:filename.
5008         (General_options::parse_just_symbols): Update for Input_file_argument
5009         changes.
5010         (Command_line::process): Likewise.
5011         * archive.cc (Archive::get_file_and_offset): Likewise.
5012         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5013         * script.cc (read_script_file, script_add_file): Likewise.
5014         * fileread.cc (Input_file::Input_file): Likewise.
5015         (Input_file::will_search_for): Handle is_searched_file.
5016         (Input_file::open): Likewise.
5017         * readsyms.cc (Read_symbols::get_name): Likewise.
5018         * testsuite/Makefile.am (searched_file_test): New test.
5019         * testsuite/Makefile.in: Regenerate.
5020         * testsuite/searched_file_test.cc: New file.
5021         * testsuite/searched_file_test_lib.cc: New file.
5022
5023 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5024             Ian Lance Taylor  <iant@google.com>
5025
5026         * descriptor.cc: Include <cstdio> and "binary-io.h".
5027         (Descriptors::open): Open the files in binary mode always.
5028         * script.cc (Lex::get_token): Treat \r as whitespace.
5029
5030 2009-10-09  Ian Lance Taylor  <iant@google.com>
5031
5032         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5033
5034 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5035             Ian Lance Taylor  <iant@google.com>
5036
5037         * configure.ac: Check for readv function also.
5038         * fileread.cc (readv): Define if not HAVE_READV.
5039         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5040         does not exist.
5041         * config.in: Regenerate.
5042         * configure: Regenerate.
5043
5044 2009-10-09  Doug Kwan  <dougkwan@google.com>
5045
5046         * layout.cc (Layout::make_output_section): Call target hook to make
5047         ordinary output section.
5048         (Layout::finalize): Adjust parameter list of call the
5049         Target::may_relax().
5050         * layout.h (class Layout::section_list): New method.
5051         * merge.h (Output_merge_base::entsize): Change visibility to public.
5052         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5053         New methods.
5054         (Output_merge_string::do_is_string): New method.
5055         * object.cc (Sized_relobj::do_setup): renamed from
5056         Sized_relobj::set_up.
5057         * object.h (Sized_relobj::adjust_shndx,
5058         Sized_relobj::initializ_input_to_output_maps,
5059         Sized_relobj::free_input_to_output_maps): Change visibilities to
5060         protected.
5061         (Sized_relobj::setup): Virtualize.
5062         (Sized_relobj::do_setup): New method declaration.
5063         (Sized_relobj::invalidate_section_offset,
5064         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5065         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5066         * options.cc (parse_int): New function.
5067         * options.h (parse_int): New declaration.
5068         (DEFINE_int): New macro.
5069         (stub_group_size): New option.
5070         * output.cc (Output_section::Output_section): Initialize memebers
5071         merge_section_map_, merge_section_by_properties_map_,
5072         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5073         (Output_section::add_input_section): Handled deferred code-fill
5074         generation and remove an old comment.
5075         (Output_section::add_relaxed_input_section): New method definition.
5076         (Output_section::add_merge_input_section): Use merge section by
5077         properties map to speed to search.  Update merge section maps
5078         as appropriate.
5079         (Output_section::build_relaxation_map): New method definition.
5080         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5081         Same.
5082         (Output_section::relax_input_section): Renamed to
5083         Output_section::convert_input_sections_to_relaxed_sections and change
5084         interface to take a vector of pointers to relaxed sections.
5085         (Output_section::find_merge_section,
5086         Output_section::find_relaxed_input_section): New method definitions.
5087         (Output_section::is_input_address_mapped,
5088         Output_section::output_offset, Output_section::output_address):
5089         Use output section data maps to speed up searching.
5090         (Output_section::find_starting_output_address): Add comments.
5091         (Output_section::do_write,
5092         Output_section::write_to_postprocessing_buffer): Do code-fill
5093         generation as appropriate.
5094         (Output_section::get_input_sections): Invalidate relaxed input section
5095         map.
5096         (Output_section::restore_states): Adjust type of checkpoint .
5097         Invalidate relaxed input section map.
5098         * output.h (Output_merge_base): New class declaration.
5099         (Input_section_specifier): New class defintion.
5100         (class Output_relaxed_input_section) Change base class to
5101         Output_section_data_build.
5102         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5103         base class initializer.
5104         (Output_section::add_relaxed_input_section): New method declaration.
5105         (Output_section::Input_section): Change visibility to protected.
5106         (Output_section::Input_section::relobj,
5107         Output_section::Input_section::shndx): Handle relaxed input sections.
5108         Output_section::input_sections) Change visibility to protected.  Also
5109         define overload to return a non-const pointer.
5110         (Output_section::Merge_section_properties): New class defintion.
5111         (Output_section::Merge_section_by_properties_map,
5112         Output_section::Output_section_data_by_input_section_map,
5113         Output_section::Relaxation_map): New types.
5114         (Output_section::relax_input_section): Rename method to
5115         Output_section::convert_input_sections_to_relaxed_sections and change
5116         interface to take a vector of relaxed section pointers.
5117         (Output_section::find_merge_section,
5118         Output_section::find_relaxed_input_section,
5119         Output_section::build_relaxation_map,
5120         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5121         New method declarations.
5122         (Output_section::merge_section_map_
5123         Output_section::merge_section_by_properties_map_,
5124         Output_section::relaxed_input_section_map_,
5125         Output_section::is_relaxed_input_section_map_valid_,
5126         Output_section::generate_code_fills_at_write_): New data members.
5127         * script-sections.cc
5128         (Output_section_element_input::set_section_addresses): Call
5129         current_data_size and addralign methods of relaxed input sections.
5130         (Orphan_output_section::set_section_addresses): Call current_data_size
5131         and addralign methods of relaxed input sections.
5132         * symtab.cc (Symbol_table::compute_final_value): Extract template
5133         from the body of Symbol_table::sized_finalize_symbol.
5134         (Symbol_table::sized_finalized_symbol): Call
5135         Symbol_table::compute_final_value.
5136         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5137         (Symbol_table::compute_final_value): New templated method declaration.
5138         * target.cc (Target::do_make_output_section): New method defintion.
5139         * target.h (Target::make_output_section): New method declaration.
5140         (Target::relax): Add more parameters for input objects, symbol table
5141         and layout.  Adjust call to do_relax.
5142         (Target::do_make_output_section): New method declaration.
5143         (Target::do_relax): Add parameters for input objects, symbol table
5144         and layout.
5145
5146 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5147
5148         * pread.c: Include stdio.h.
5149
5150 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5151
5152         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5153         defined.
5154
5155 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5156
5157         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5158         Change read_shndx type to unsigned int.
5159         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5160         int.
5161         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5162         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5163         Change read_shndx type to unsigned int.
5164         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5165         int.
5166         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5167         * layout.cc (Layout::create_symtab_sections): Cast the result of
5168         local_symcount * symsize to off_t in the gold_assert.
5169
5170 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5171
5172         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5173         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5174         R_ARM_BASE_ABS.
5175         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5176         (Arm_relocate_functions::thm_abs5): New function.
5177         (Arm_relocate_functions::abs12): New function.
5178         (Arm_relocate_functions::abs16): New function.
5179         (Arm_relocate_functions::base_abs): New function.
5180         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5181         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5182         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5183         R_ARM_BASE_ABS.
5184         (Scan::global): Likewise.
5185         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5186         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5187         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5188         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5189         R_ARM_BASE_ABS.
5190
5191 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5192
5193         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5194         (Arm_relocate_functions::movt_prel): New function.
5195         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5196         (Arm_relocate_functions::thm_movt_prel): New function.
5197         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5198         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5199         (Scan::global, Relocate::relocate): Likewise.
5200         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5201
5202 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5203
5204         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5205         Incremental_checker.
5206         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5207         unsigned int.
5208         (class Incremental_inputs_header): New class.
5209         (Incremental_inputs_header_writer): Edit comment.
5210         (Incremental_inputs_entry): New class.
5211         (Incremental_inputs_entry_writer): Edit comment.
5212         (Sized_incremental_binary::do_find_incremental_inputs_section):
5213         Add *strtab_shndx parameter, fill it.
5214         (Sized_incremental_binary::do_check_inputs): New method.
5215         (Incremental_checker::can_incrementally_link_output_file): Use
5216         Sized_incremental_binary::check_inputs.
5217         (Incremental_inputs::report_command_line): Save command line in
5218         command_line_.
5219         * incremental.h:
5220         (Incremental_binary::find_incremental_inputs_section): New
5221         method.
5222         (Incremental_binary::do_find_incremental_inputs_section): Add
5223         strtab_shndx parameter.
5224         (Incremental_binary::do_check_inputs): New pure virtual method.
5225         (Sized_incremental_binary::do_check_inputs): Declare.
5226         (Incremental_checker::Incremental_checker): Add incremental_inputs
5227         parameter, use it to initialize incremental_inputs_.
5228         (Incremental_checker::incremental_inputs_): New field.
5229         (Incremental_checker::command_line): New method.
5230         (Incremental_checker::inputs): New method.
5231         (Incremental_checker::command_line_): New field.
5232
5233 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5234
5235         * incremental.cc: Include <cstdarg> and "target-select.h".
5236         (vexplain_no_incremental): New function.
5237         (explain_no_incremental): New function.
5238         (Incremental_binary::error): New method.
5239         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5240         method.
5241         (make_sized_incremental_binary): New function.
5242         (open_incremental_binary): New function.
5243         (can_incrementally_link_file): Add checks if output is ELF and has
5244         inputs section.
5245         * incremental.h: Include "elfcpp_file.h" and "output.h".
5246         (Incremental_binary): New class.
5247         (Sized_incremental_binary): New class.
5248         (open_incremental_binary): Declare.
5249         * object.cc (is_elf_object): Use
5250         elfcpp::Elf_recognizer::is_elf_file.
5251         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5252         * output.h (Output_file::filesize): New method.
5253
5254 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5255
5256         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5257         New function.
5258         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5259         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5260         function.
5261         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5262         function.
5263         (Arm_relocate_functions::movw_abs_nc): New function.
5264         (Arm_relocate_functions::movt_abs): New function.
5265         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5266         (Arm_relocate_functions::thm_movt_abs): New function.
5267         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5268         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5269         (Scan::global): Likewise.
5270         (Relocate::relocate): Likewise.
5271         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5272
5273 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5274
5275         * arm.cc (Arm_relocate_functions::got_prel) New function.
5276         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5277         (Relocate::relocate): Likewise.
5278         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5279
5280 2009-10-06  Ian Lance Taylor  <iant@google.com>
5281
5282         * options.h (class General_options): Define
5283         split_stack_adjust_size parameter.
5284         * object.h (class Object): Add uses_split_stack_ and
5285         has_no_split_stack_ fields.  Add uses_split_stack and
5286         has_no_split_stack accessor functions.  Declare
5287         handle_split_stack_section.
5288         (class Reloc_symbol_changes): Define.
5289         (class Sized_relobj): Define Function_offsets.  Declare
5290         split_stack_adjust, split_stack_adjust_reltype, and
5291         find_functions.
5292         * object.cc (Object::handle_split_stack_section): New function.
5293         (Sized_relobj::do_layout): Call handle_split_stack_section.
5294         * dynobj.cc (Sized_dynobj::do_layout): Call
5295         handle_split_stack_section.
5296         * reloc.cc (Sized_relobj::relocate_sections): Call
5297         split_stack_adjust for executable sections in split_stack
5298         objects.  Pass reloc_map to relocate_section.
5299         (Sized_relobj::split_stack_adjust): New function.
5300         (Sized_relobj::split_stack_adjust_reltype): New function.
5301         (Sized_relobj::find_functions): New function.
5302         * target-reloc.h: Include "object.h".
5303         (relocate_section): Add reloc_symbol_changes parameter.  Change
5304         all callers.
5305         * target.h (class Target): Add calls_non_split method.  Declare
5306         do_calls_non_split virtual method.  Declare match_view and
5307         set_view_to_nop.
5308         * target.cc: Include "elfcpp.h".
5309         (Target::do_calls_non_split): New function.
5310         (Target::match_view): New function.
5311         (Target::set_view_to_nop): New function.
5312         * gold.cc (queue_middle_tasks): Give an error if mixing
5313         split-stack and non-split-stack objects with -r.
5314         * i386.cc (Target_i386::relocate_section): Add
5315         reloc_symbol_changes parameter.
5316         (Target_i386::do_calls_non_split): New function.
5317         * x86_64.cc (Target_x86_64::relocate_section): Add
5318         reloc_symbol_changes parameter.
5319         (Target_x86_64::do_calls_non_split): New function.
5320         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5321         parameter.
5322         * powerpc.cc (Target_powerpc::relocate_section): Add
5323         reloc_symbol_changes parameter.
5324         * sparc.cc (Target_sparc::relocate_section): Add
5325         reloc_symbol_changes parameter.
5326         * configure.ac: Call AM_CONDITIONAL for the default target.
5327         * configure: Rebuild.
5328         * testsuite/Makefile.am (TEST_AS): New variable.
5329         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5330         (check_DATA): Add split_i386 and split_x86_64 files.
5331         (SPLIT_DEFSYMS): Define.
5332         (split_i386_[1234n].o): New targets.
5333         (split_i386_[124]): New targets.
5334         (split_i386_[1234r].stdout): New targets.
5335         (split_x86_64_[1234n].o): New targets.
5336         (split_x86_64_[124]): New targets.
5337         (split_x86_64_[1234r].stdout): New targets.
5338         (MOSTLYCLEANFILES): Add new executables.
5339         * testsuite/split_i386.sh: New file.
5340         * testsuite/split_x86_64.sh: New file.
5341         * testsuite/split_i386_1.s: New file.
5342         * testsuite/split_i386_2.s: New file.
5343         * testsuite/split_i386_3.s: New file.
5344         * testsuite/split_i386_4.s: New file.
5345         * testsuite/split_i386_n.s: New file.
5346         * testsuite/split_x86_64_1.s: New file.
5347         * testsuite/split_x86_64_2.s: New file.
5348         * testsuite/split_x86_64_3.s: New file.
5349         * testsuite/split_x86_64_4.s: New file.
5350         * testsuite/split_x86_64_n.s: New file.
5351         * testsuite/testfile.cc (Target_test): Update relocation_section
5352         function.
5353         * testsuite/Makefile.in: Rebuild.
5354
5355 2009-10-06  Ian Lance Taylor  <iant@google.com>
5356
5357         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5358         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5359         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5360         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5361         the address on ldo_addrs_.
5362         (Target_i386::Relocate::fix_up_ldo): New function.
5363
5364 2009-10-06   Rafael Espindola  <espindola@google.com>
5365
5366         * plugin.cc (add_input_library): New.
5367         (Plugin::load): Add add_input_library to tv.
5368         (Plugin_manager::add_input_file): Add the is_lib argument.
5369         (add_input_file): Update call to Plugin_manager::add_input_file.
5370         (add_input_library): New.
5371         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5372
5373 2009-09-30  Doug Kwan  <dougkwan@google.com>
5374
5375         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5376         symbol and call Symbol::may_need_copy_reloc to determine if
5377         a copy reloc is needed.
5378         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5379         nocopyreloc is given in command line.
5380         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5381         given in command line.
5382         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5383         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5384         of the removed Target_i386::may_need_copy_reloc.
5385         * options.h (copyreloc): New option with default value false.
5386         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5387         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5388         instead of the removed Target_powerpc::may_need_copy_reloc.
5389         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5390         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5391         instead of the removed Target_sparc::may_need_copy_reloc.
5392         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5393         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5394         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5395         instead of the removed Target_x86_64::may_need_copy_reloc.
5396
5397 2009-09-30  Ian Lance Taylor  <iant@google.com>
5398
5399         * object.h (class Object): Remove target_ field, and target,
5400         sized_target, and set_target methods.
5401         (Object::sized_target): Remove.
5402         (class Sized_relobj): Update declarations.  Remove sized_target.
5403         * object.cc (Sized_relobj::setup): Remove target parameter.
5404         Change all callers.
5405         (Input_objects::add_object): Don't do anything with the target.
5406         (make_elf_sized_object): Add punconfigured parameter.  Change all
5407         callers.  Set or test parameter target.
5408         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5409         Change all callers.
5410         * parameters.cc (Parameters::set_target): Change parameter type to
5411         be non-const.
5412         (Parameters::default_target): Remove.
5413         (set_parameters_target): Change parameter type to be non-const.
5414         (parameters_force_valid_target): New function.
5415         (parameters_clear_target): New function.
5416         * parameters.h (class Parameters): Update declarations.  Remove
5417         default_target method.  Add sized_target and clear_target
5418         methods.  Change target_ to be non-const.
5419         (set_parameters_target): Update declaration.
5420         (parameters_force_valid_target): Declare.
5421         (parameters_clear_target): Declare.
5422         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5423         as NULL if we aren't searching.
5424         (Add_symbols::run): Don't check for compatible target.
5425         * fileread.cc (Input_file::open_binary): Call
5426         parameters_force_valid_target.
5427         * gold.cc (queue_middle_tasks): Likewise.
5428         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5429         set_target on object.
5430         * dynobj.h (class Sized_dynobj): Update declarations.
5431         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5432         make_elf_object returns NULL.
5433         (Archive::include_member): Don't check whether object target is
5434         compatible.
5435         * output.cc (Output_section::add_input_section): Get target from
5436         parameters.
5437         (Output_section::relax_input_section): Likewise.
5438         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5439         parameters.
5440         (Sized_relobj::do_scan_relocs): Likewise.
5441         (Sized_relobj::relocate_sections): Likewise.
5442         * resolve.cc (Symbol_table::resolve): Likewise.
5443         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5444         parameter.  Change all callers.
5445         (Symbol_table::add_from_object): Get target from parameters.
5446         (Symbol_table::add_from_relobj): Don't check object target.
5447         (Symbol_table::add_from_dynobj): Likewise.
5448         (Symbol_table::define_special_symbol): Get target from
5449         parameters.
5450         * symtab.h (class Symbol_table): Update declaration.
5451         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5452         parameter.  Change all callers.  Clear parameter target.
5453         (Binary_test): Test target here.
5454         * testsuite/object_unittest.cc (gold_testsuite): Remove
5455         target_test_pointer parameter.  Change all callers.
5456         (Object_test): Test target here.
5457
5458 2009-09-26  Ian Lance Taylor  <iant@google.com>
5459
5460         * testsuite/initpri1.c: Don't try to use constructor priorities if
5461         compiling with gcc before 4.3.
5462
5463 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5464
5465         * testsuite/retain_symbols_file_test.sh (check_present): Change
5466         output file name to retain_symbols_file_test.stdout.
5467         (check_absent): Likewise.
5468
5469 2009-09-18  Craig Silverstein  <csilvers@google.com>
5470
5471         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5472         * options.cc: Include <cerrno> and <fstream>.
5473         (General_options::finalize): Parse -retain-symbols-file tag.
5474         * options.h: New flag.
5475         (General_options): New method should_retain_symbol, new
5476         variable symbols_to_retain.
5477         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5478         should_retain_symbol map.
5479         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5480         * testsuite/Makefile.in: Regenerate.
5481         * testsuite/retain_symbols_file_test.sh: New file.
5482
5483 2009-09-18  Nick Clifton  <nickc@redhat.com>
5484
5485         * po/es.po: Updated Spanish translation.
5486
5487 2009-09-17  Doug Kwan  <dougkwan@google.com>
5488
5489         * debug.h (DEBUG_RELAXATION): New constant.
5490         (DEBUG_ALL): Add DEBUG_RELAXATION.
5491         (debug_string_to_enum): Add relaxation debug option.
5492         * layout.cc
5493         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5494         Layout::Relaxation_debug_check::read_sections,
5495         Layout::Relaxation_debug_check::read_sections): New method definitions.
5496         (Layout::Layout): Initialize data members
5497         record_output_section_data_from_scrips_,
5498         script_output_section_data_list_ and relaxation_debug_check_.
5499         (Layout::save_segments, Layout::restore_segments,
5500         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5501         Layout::relaxation_loop_body): New method definitions.
5502         (Layout::finalize): Support relaxation.  Move section layout code to
5503         Layout::relaxation_loop_body.
5504         (Layout::set_asection_address_from_script): Move code for orphan
5505         section placement out.
5506         (Layout::place_orphan_sections_in_script): New method definition.
5507         * layout.h (Output_segment_headers, Output_file_header):
5508         New forward class declarations.
5509         (Layout::~Layout): Define.
5510         (Layout::new_output_section_data_from_script): New method definition.
5511         (Layout::place_orphan_sections_in_script): New method declaration.
5512         (Layout::Segment_states): New type declaration.
5513         (Layout::save_segments, Layout::restore_segments,
5514         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5515         Layout::relaxation_loop_body): New method declarations.
5516         (Layout::Output_section_data_list): New type declaration.
5517         (Layout::Relaxation_debug_check): New class definition.
5518         (Layout::record_output_section_data_from_script_,
5519         Layout::script_output_section_data_list_, Layout::segment_states_,
5520         Layout::relaxation_debug_check_): New data members.
5521         * output.cc: (Output_section_headers::do_size): New method definition.
5522         (Output_section_headers::Output_section_headers): Move size
5523         computation to Output_section_headers::do_size.
5524         (Output_segment_headers::do_size): New method definition.
5525         (Output_file_header::Output_file_header): Move size computation to
5526         Output_file_header::do_size and call it.
5527         (Output_file_header::do_size): New method definition.
5528         (Output_data_group::Output_data_group): Adjust call to
5529         Output_section_data.
5530         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5531         (Output_symtab_xindex::do_write): Add array bound check.
5532         (Output_section::Input_section::print_to_mapfile): Handle
5533         RELAXED_INPUT_SECTION_CODE.
5534         (Output_section::Output_section): Initialize data member checkpoint_.
5535         (Output_section::~Output_section): Delete checkpoint object pointed
5536         by checkpoint_.
5537         (Output_section::add_input_section): Always add an Input_section if
5538         relaxing.
5539         (Output_section::add_merge_input_section): Add assert.
5540         (Output_section::relax_input_section): New method definition.
5541         (Output_section::set_final_data_size): Set load address to zero for
5542         an unallocated section.
5543         (Output_section::do_address_and_file_offset_have_reset_values):
5544         New method definition.
5545         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5546         Handle relaxed input section.
5547         (Output_section::sort_attached_input_sections): Checkpoint input
5548         section list lazily.
5549         (Output_section::get_input_sections): Change type of input_sections to
5550         list of Simple_input_section pointers.  Checkpoint input section list
5551         lazily.  Also handle relaxed input sections.
5552         (Output_section::add_input_section_for_script): Take a reference to
5553         a Simple_input_section object instead of Relobj pointer and section
5554         index as parameter.  Handle relaxed input sections.
5555         (Output_section::save_states, Output_section::restore_states): New
5556         method definitions.
5557         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5558         (Output_data::is_data_size_fixed): New method definition.
5559         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5560         if it is fixed.
5561         (Output_data::address_and_file_offset_have_reset_values): New method
5562         definition.
5563         (Output_data::do_address_and_file_offset_have_reset_values): New method
5564         definition.
5565         (Output_data::set_data_size): Check that data size is not fixed.
5566         (Output_data::fix_data_size): New method definition.
5567         (Output_data::is_data_size_fixed_): New data member.
5568         (Output_section_headers::set_final_data_size): New method definition.
5569         (Output_section_headers::do_size): New method declaration.
5570         (Output_segment_headers::set_final_data_size): New method definition.
5571         (Output_segment_headers::do_size): New method declaration.
5572         (Output_file_header::set_final_data_size)::New method definition.
5573         (Output_file_header::do_size)::New method declaration.
5574         (Output_section_data::Output_section_data): Add new parameter
5575         is_data_size_fixed and use it to fix data size.
5576         (Output_data_const::Output_data_const): Adjust call to base class
5577         constructor and fix data size.
5578         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5579         base class constructor and fix data size.
5580         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5581         base class constructor and fix data size.
5582         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5583         class constructor and fix data size.
5584         (Output_data_group::set_final_data_size): New method definition.
5585         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5586         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5587         class constructor and fix data size.
5588         (Output_relaxed_input_section): New class definition.
5589         (Output_section::Simple_input_section): New class definition.
5590         (Output_section::get_input_sections): Adjust parameter list.
5591         (Output_section::add_input_section_for_script): Same.
5592         (Output_section::save_states, Output_section::restore_states,
5593         Output_section::do_address_and_file_offset_have_reset_values,
5594         (Output_section::Input_section::Input_section): Handle
5595         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5596         Output_relaxed_input_section.
5597         (Output_section::Input_section::is_input_section,
5598         Output_section::Input_section::set_output_section): Handle relaxed
5599         input section.
5600         (Output_section::Input_section::is_relaxed_input_section,
5601         Output_section::Input_section::output_section_data,
5602         Output_section::Input_section::relaxed_input_section): New method
5603         definitions.
5604         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5605         value.
5606         (Output_section::Input_section::u1_): Update comments.
5607         (Output_section::Input_section::u2_): Add new union member poris.
5608         (Output_section::Checkpoint_output_section): New classs definition.
5609         (Output_section::relax_input_section): New method declaration.
5610         (Output_section::checkpoint_): New data member.
5611         (Output_segment): Update comments.
5612         (Output_segment::Output_segment): Un-privatize copy constructor.
5613         (Output_segment::operator=): Un-privatize.
5614         * script-sections.cc (Output_section_element::Input_section_list):
5615         Change element type to Output_section::Simple_input_section.
5616         (Output_section_element_dot_assignment::set_section_addresses):
5617         Register output section data for relaxation clean up.
5618         (Output_data_exression::Output_data_expression): Adjust call to base
5619         constructor to fix data size.
5620         (Output_section_element_data::set_section_addresses): Register
5621         Output_data_expression object for relaxation clean up.
5622         (struct Input_section_info): Replace Relobj pointer and section index
5623         pair with Output_section::Simple_input_section and Convert struct to a
5624         class.
5625         (Input_section_sorter::operator()): Adjust access to
5626         Input_section_info data member to use accessors.
5627         (Output_section_element_input::set_section_addresses): Use layout
5628         parameter.  Adjust code to use Output_section::Simple_input_section
5629         and Input_secction_info classes.  Register filler for relaxation
5630         clean up.
5631         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5632         and section index pair with Output_section::Simple_input_section
5633         class.  Adjust code accordingly.
5634         (Phdrs_element::release_segment): New method definition.
5635         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5636         segment list.
5637         (Script_sections::release_segments): New method definition.
5638         * gold/script-sections.h (Script_sections::release_segments): New
5639         method declaration.
5640         * gold/target.h (Target::may_relax, Target::relax,
5641         Target::do_may_relax, Target::do_relax): New method definitions.
5642
5643 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5644
5645         * arm.cc (has_signed_unsigned_overflow): New function.
5646         (Arm_relocate_functions::abs8): New function.
5647         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5648         (Target_arm::Scan::global): Likewise.
5649         (Target_arm::relocate::relocate): Likewise.
5650         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5651         Likewise.
5652
5653 2009-09-16  Cary Coutant  <ccoutant@google.com>
5654
5655         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5656         * testsuite/Makefile.in: Regenerate.
5657
5658 2009-09-11  Nick Clifton  <nickc@redhat.com>
5659
5660         * po/gold.pot: Updated by the Translation project.
5661
5662 2009-09-08  Cary Coutant  <ccoutant@google.com>
5663
5664         * output.cc (Output_file::open): Add execute permission to empty file.
5665         * testsuite/Makefile.am (permission_test): New test.
5666         * testsuite/Makefile.in: Regenerate.
5667
5668 2009-09-02  Ian Lance Taylor  <iant@google.com>
5669
5670         * output.cc (Output_file::resize): Call map_no_anonymous rather
5671         than map.
5672
5673 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5674
5675         * gold.cc: Include "incremental.h".
5676         (queue_initial_tasks): Call Incremental_checker methods.
5677         * incremental.cc: Include "output.h".
5678         (Incremental_checker::can_incrementally_link_output_file): New
5679         method.
5680         * incremental.h (Incremental_checker): New class.
5681
5682         * output.cc (Output_file::open_for_modification): New method.
5683         (Output_file::map_anonymous): Changed return type to bool.  Record
5684         map in base_ field.
5685         (Output_file::map_no_anonymous): New method, broken out of map.
5686         (Output_file::map): Use map_no_anonymous and map_anonymous.
5687         * output.h (class Output_file): Update declarations.
5688
5689 2009-08-24  Cary Coutant  <ccoutant@google.com>
5690
5691         * options.h (Command_line::Pre_options): New class.
5692         (Command_line::pre_options): New member.
5693         * options.cc (gold::options::ready_to_register): New variable.
5694         (One_option::register_option): Do nothing if not registering options.
5695         Assert if same short option registered twice.
5696         (General_options::General_options): Turn off option registration when
5697         done constructing.
5698         (Command_line::Pre_options::Pre_options): New constructor.
5699
5700 2009-08-24  Cary Coutant  <ccoutant@google.com>
5701
5702         * options.h (General_options::no_keep_memory): Remove incorrect
5703         short option.
5704
5705 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5706
5707         * Makefile.am (am__skiplex, am__skipyacc): New.
5708         * Makefile.in: Regenerate.
5709
5710 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5711
5712         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5713         (INCLUDES): ... this.
5714         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5715         (AM_CPPFLAGS): Renamed from ...
5716         (INCLUDE): ... this.
5717         * Makefile.in, testsuite/Makefile.in: Regenerate.
5718
5719         * Makefile.in: Regenerate.
5720         * aclocal.m4: Likewise.
5721         * config.in: Likewise.
5722         * configure: Likewise.
5723         * testsuite/Makefile.in: Likewise.
5724
5725         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5726         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5727         * Makefile.in: Regenerate.
5728         * testsuite/Makefile.in: Regenerate.
5729
5730 2009-08-19  Cary Coutant  <ccoutant@google.com>
5731
5732         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5733         symbols in shared libraries overridden by hidden or internal symbols
5734         in the main program.
5735
5736 2009-08-19  Chris Demetriou  <cgd@google.com>
5737
5738         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5739         checking source file names in error messages.
5740
5741 2009-08-18  Doug Kwan  <dougkwan@google.com>
5742
5743         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5744         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5745         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5746         an elfcpp::Ehdr as parameter.
5747         * object.cc (Object::set_target): Remove the version that looks up
5748         a target and sets it.
5749         (Sized_relobj::setup): Take a Target object instead of
5750         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5751         (make_elf_sized_object): Find target and ask target to
5752         make an ELF object.
5753         * object.h: (Object::set_target): Remove the version that looks up
5754         a target and sets it.
5755         (Sized_relobj::setup): Take a Target object instead of
5756         an elfcpp:Ehdr as parameter.
5757         * target.cc: Include dynobj.h.
5758         (Target::do_make_elf_object_implementation): New.
5759         (Target::do_make_elf_object): New.
5760         * target.h (Target::make_elf_object): New template declaration.
5761         (Target::do_make_elf_object): New method declarations.
5762         (Target::do_make_elf_object_implementation): New template declaration.
5763
5764 2009-08-14  Ian Lance Taylor  <iant@google.com>
5765
5766         * gold.h (FUNCTION_NAME): Define.
5767         (gold_unreachable): Use FUNCTION_NAME.
5768
5769 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5770
5771         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5772         symbol in the --keep-unique list is not found.
5773
5774 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5775
5776         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5777         been maked as --keep-unique.
5778         (Icf::unfold_section): New function.
5779         * icf.h (Icf::unfold_section): New function.
5780         * options.h (General_options::keep_unique): New option.
5781         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5782         * testsuite/Makefile.in: Regenerate.
5783         * testsuite/icf_keep_unique_test.sh: New file.
5784         * testsuite/icf_keep_unique_test.cc: New file.
5785
5786 2009-08-12  Cary Coutant  <ccoutant@google.com>
5787
5788         PR 10471
5789         * resolve.cc (Symbol_table::resolve): Check for references from
5790         dynamic objects to hidden and internal symbols.
5791         * testsuite/Makefile.am (hidden_test.sh): New test.
5792         * testsuite/Makefile.in: Regenerate.
5793         * testsuite/hidden_test.sh: New script.
5794         * testsuite/hidden_test_1.c: New test source.
5795         * testsuite/hidden_test_main.c: New test source.
5796
5797 2009-08-11  Doug Kwan  <dougkwan@google.com>
5798
5799         * arm.cc: Update comments.
5800         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5801         segment to locate the .ARM.exidx section if present.
5802
5803 2009-08-09  Doug Kwan  <dougkwan@google.com>
5804
5805         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5806         patch.
5807
5808 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5809         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5810         compiler warnings.
5811
5812 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5813
5814         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5815         valid tls_segment only for non-debug-section relocations.
5816         * testsuite/Makefile.am: Add gc_tls_test.
5817         * testsuite/Makefile.in: Regenerate.
5818         * testsuite/gc_tls_test.cc: New file.
5819         * testsuite/gc_tls_test.sh: New file.
5820
5821 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5822
5823         * icf.cc: New file.
5824         * icf.h: New file.
5825         * Makefile.am (CCFILES): Add icf.cc.
5826         (HFILES): Add icf.h
5827         * Makefile.in: Regenerate.
5828         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5829         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5830         section, symbol and addend information for the relocs.
5831         * gold.cc (queue_middle_tasks): Call identical code folding.
5832         * gold.h: Add defines for multimap.
5833         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5834         to the call of finalize_local_symbols.
5835         * main.cc (main): Create object of class Icf.
5836         * object.cc (Sized_relobj::do_layout): Allow this function to be
5837         called twice during icf.
5838         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5839         to sections marked as identical by icf.
5840         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5841         when available.
5842         (Sized_relobj::do_section_entsize): New function.
5843         * object.h (Object::section_entsize): New function.
5844         (Object::do_section_entsize): New pure virtual function.
5845         (Relobj::finalize_local_symbols): Add new parameter.
5846         (Relobj::do_section_entsize): New function.
5847         * options.h (General_options::icf): New option.
5848         (General_options::icf_iterations): New option.
5849         (General_options::print_icf_sections): New option.
5850         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5851         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5852         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5853         icf.
5854         * symtab.cc (Symbol_table::is_section_folded): New function.
5855         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5856         to sections marked as identical by icf.
5857         * symtab.h (Symbol_table::set_icf): New function.
5858         (Symbol_table::icf): New function.
5859         (Symbol_table::is_section_folded): New function.
5860         (Symbol_table::icf_): New data member.
5861         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5862         * testsuite/Makefile.am: Add commands to build icf_test.
5863         * testsuite/Makefile.in: Regenerate.
5864         * testsuite/icf_test.sh: New file.
5865         * testsuite/icf_test.cc: New file.
5866
5867 2009-07-24  Chris Demetriou  <cgd@google.com>
5868
5869         * layout.cc (is_compressible_debug_section): Fix incorrect
5870         comment about compressed section names.
5871
5872 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5873
5874         PR 10419
5875         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5876
5877 2009-07-16  Ian Lance Taylor  <iant@google.com>
5878
5879         PR 10400
5880         * layout.h: #include <map>.
5881         (class Kept_section): Change from struct to class.  Add accessors
5882         and setters.  Add section size to Comdat_group mapping.  Change
5883         Comdat_group to std::map.  Add is_comdat_ field.  Add
5884         linkonce_size field in union.
5885         (class Layout): Update declaration of find_or_add_kept_section.
5886         Don't declare find_kept_object.
5887         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5888         parameter.  Add object, shndx, is_comdat, and is_group_name
5889         parameters.  Change all callers.  Adjust for new Kept_section.
5890         (Layout::find_kept_object): Remove.
5891         * object.cc (Sized_relobj::include_section_group): Update use of
5892         Kept_section.  Rename secnum to shndx.  Only record
5893         Kept_comdat_section if sections are the same size.
5894         (Sized_relobj::include_linkonce_section): Update use of
5895         Kept_section.  Only record Kept_comdat_section if sections are the
5896         same size.  Set size of linkonce section.
5897         (Sized_relobj::map_to_kept_section): Update call to
5898         get_kept_comdat_section.
5899         * object.h (class Sized_relobj): Rename fields in
5900         Kept_comdat_section to drop trailing underscores; change object
5901         field to Relobj*.  Change Kept_comdat_section_table to store
5902         struct rather than pointer.
5903         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5904         Add kept_object and kept_shndx parameters.  Change all callers.
5905         (Sized_relobj::get_kept_comdat_section): Change return type to
5906         bool.  Add kept_object and kept_shndx parameters.  Change all
5907         callers.
5908         * plugin.cc (Pluginobj::include_comdat_group): Update call to
5909         Layout::find_or_add_kept_section.
5910
5911 2009-07-09  Ian Lance Taylor  <iant@google.com>
5912
5913         * merge.cc (Object_merge_map::initialize_input_to_output_map):
5914         Reserve space in the hash table.
5915
5916 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
5917
5918         * fileread.cc (File_read::get_mtime): New method.
5919         * fileread.h (Timespec): New structure.
5920         (File_read::get_mtime): New method.
5921         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5922         Renamed from timestamp_nsec.
5923         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5924         Elf_Xword.
5925         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5926         timestamp_nsec.
5927         (Incremental_inputs::report_archive): Save mtime; style fix.
5928         (Incremental_inputs::report_obejct): Save mtime; style fix.
5929         (Incremental_inputs::report_script): Save mtime; style fix.
5930         (Incremental_inputs::finalize_inputs): Style fix.
5931         (Incremental_inputs::finalize): Style fix.
5932         (Incremental_inputs::create_input_section_data): Store inputs
5933         mtime.
5934         * incremental.h (Incremental_inputs::report_script): Add mtime
5935         argument.
5936         (Incremental_inputs::Input_info::Input_info): Intialize only one
5937         union member.
5938         (Incremental_inputs::Input_info::archive): Move to nameless
5939         union.
5940         (Incremental_inputs::Input_info::obejct): Move to nameless union.
5941         (Incremental_inputs::Input_info::script): Move to nameless union.
5942         (Incremental_inputs::mtime): New field.
5943         * script.cc (read_input_script): Pass file mtime to
5944         Incremental_input.
5945         * script.h (Script_info::inputs): Style fix.
5946
5947 2009-07-01  Ian Lance Taylor  <ian@airs.com>
5948
5949         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
5950         instead of 32.
5951
5952 2009-06-24  Ian Lance Taylor  <iant@google.com>
5953
5954         PR 10156
5955         * layout.cc (Layout::choose_output_section): If we find an
5956         existing section, update the flags.
5957         (Layout::create_notes): New function, broken out of
5958         Layout::finalize.
5959         (Layout::finalize): Don't create note sections.
5960         (Layout::create_note): Don't crash if linker script discards
5961         section.
5962         (Layout::create_gold_note): Likewise.
5963         (Layout::create_build_id): Likewise.  Don't set
5964         after_input_sections on the section.
5965         (Layout::create_executable_stack_info): Remove target parameter.
5966         Change caller.
5967         * layout.h (class Layout): Declare create_notes.  Update
5968         declaration of create_executable_stack_info.
5969         * gold.cc (queue_middle_tasks): Call create_notes.
5970         * output.cc (Output_section::update_flags_for_input_section): Move
5971         here from output.h.  If SHF_ALLOC flag is newly set, mark address
5972         invalid.
5973         * output.h (Output_data::mark_address_invalid): New function.
5974         (class Output_section): Only declare, not define,
5975         update_flags_for_input_section.  Remove set_flags.
5976
5977 2009-06-24  Ian Lance Taylor  <iant@google.com>
5978
5979         * script-sections.cc (Output_section_definition::
5980         set_section_addresses): Rename shadowing local load_address to
5981         laddr.
5982
5983 2009-06-24  Ian Lance Taylor  <iant@google.com>
5984
5985         PR 10244
5986         * reloc.cc (relocate_sections): Skip empty relocation sections.
5987
5988 2009-06-23  Ian Lance Taylor  <iant@google.com>
5989
5990         PR 10156
5991         * layout.cc (Layout::create_note): Use choose_output_section
5992         rather than make_output_section.
5993
5994 2009-06-23  Ian Lance Taylor  <iant@google.com>
5995
5996         PR 10237
5997         * options.cc (General_options::parse_V): Set printed_version_.
5998         (General_options::General_options): Initialize printed_version_.
5999         * options.h (class General_options): Add printed_version_ field.
6000         * gold.cc (queue_initial_tasks): If there are no input files,
6001         don't give a fatal error if we printed the version information.
6002         (queue_middle_tasks): If using -r with a shared object, give a
6003         fatal error rather than an ordinary error.
6004
6005 2009-06-23  Ian Lance Taylor  <iant@google.com>
6006
6007         PR 10219
6008         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6009         (Layout::make_output_section): Set have_stabstr_section_ if we see
6010         a .stab*str section.
6011         (Layout::finalize): Call link_stabs_sections.
6012         (Layout::link_stabs_sections): New file.
6013         * layout.h (class Layout): Add have_stabstr_section_ field.
6014         Declare link_stabs_sections.
6015
6016 2009-06-23  Doug Kwan  <dougkwan@google.com>
6017
6018         * Makefile.am (libgold_a_LIBADD): New.
6019         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6020         * Makefile.in: Regenerate.
6021         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6022         * configure: Regenerate.
6023         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6024         * fileread.cc: Include sys/state.h
6025         * gold.h: Declare memmem and strndup if found missing.
6026         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6027
6028 2009-06-23  Ian Lance Taylor  <iant@google.com>
6029
6030         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6031         * configure: Rebuild.
6032
6033 2009-06-23  Ian Lance Taylor  <iant@google.com>
6034
6035         PR 10147
6036         * object.cc (Object::section_contents): Don't try to get a view if
6037         the section has length zero.
6038         (Object::handle_gnu_warning_section): If the section is empty, use
6039         the name of the section as the warning.
6040
6041 2009-06-23  Ian Lance Taylor  <iant@google.com>
6042
6043         PR 10133
6044         * stringpool.h (class Stringpool_template): Add optimize_ field.
6045         (Stringpool_template::set_optimize): New function.
6046         * stringpool.cc (Stringpool_template::Stringpool_template):
6047         Initialize optimize_ field.
6048         (Stringpool_template::set_string_offsets): Test local optimize
6049         fild rather than parameter.
6050         * layout.cc (Layout::Layout): Call set_optimize on the section
6051         name stringpool.
6052
6053 2009-06-22  Ian Lance Taylor  <iant@google.com>
6054
6055         PR 10030
6056         * yyscript.y: Parse TARGET.
6057         * script.cc (script_set_target): New function.
6058         * script-c.h (script_set_target): Declare.
6059         * options.cc (General_options::string_to_object_format): Rename
6060         from string_to_object_format in anonymous namespace.  Change
6061         callers.
6062         * options.h (class General_options): Declare
6063         string_to_object_format.
6064
6065 2009-06-22  Ian Lance Taylor  <iant@google.com>
6066
6067         * script-sections.cc (Script_sections::create_segments): Don't put
6068         program headers in a PT_LOAD segment if -n or -N.
6069
6070 2009-06-22  Ian Lance Taylor  <iant@google.com>
6071
6072         PR 10141
6073         * options.h (class General_options): Add -z lazy and -z now.  Sort
6074         -z options into alphabetical order.
6075         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6076
6077 2009-06-21  Ian Lance Taylor  <iant@google.com>
6078
6079         * layout.cc (Layout::make_output_section): Call
6080         Target::new_output_section.
6081         (Layout::attach_allocated_section_to_segment): Put large section
6082         sections in a separate load segment with the large segment flag
6083         set.
6084         (Layout::segment_precedes): Sort large data segments after other
6085         load segments.
6086         (align_file_offset): New static function.
6087         (Layout::set_segment_offsets): Use align_file_offset.
6088         * output.h (class Output_section): Add is_small_section_ and
6089         is_large_section_ fields.
6090         (Output_section::is_small_section): New function.
6091         (Output_section::set_is_small_section):  New function.
6092         (Output_section::is_large_section): New function.
6093         (Output_section::set_is_large_section): New function.
6094         (Output_section::is_large_data_section): New function.
6095         (class Output_segment): Add is_large_data_segment_ field.
6096         (Output_segment::is_large_data_segment): New function.
6097         (Output_segment::set_is_large_data_segment): New function.
6098         * output.cc (Output_section::Output_section): Initialize new
6099         fields.
6100         (Output_segment::Output_segment): Likewise.
6101         (Output_segment::add_output_section): Add assertion that large
6102         data sections always go in large data segments.  Force small data
6103         sections to the end of the list of data sections.  Force small BSS
6104         sections to the start of the list of BSS sections.  For large BSS
6105         sections to the end of the list of BSS sections.
6106         * symtab.h (class Symbol): Declare is_common_shndx.
6107         (Symbol::is_defined): Check Symbol::is_common_shndx.
6108         (Symbol::is_common): Likewise.
6109         (class Symbol_table): Define enum Commons_section_type.  Update
6110         declarations.  Add small_commons_ and large_commons_ fields.
6111         * symtab.cc (Symbol::is_common_shndx): New function.
6112         (Symbol_table::Symbol_table): Initialize new fields.
6113         (Symbol_table::add_from_object): Put small and large common
6114         symbols in the right list.
6115         (Symbol_table::sized_finalized_symbol): Check
6116         Symbol::is_common_shndx.
6117         (Symbol_table::sized_write_globals): Likewise.
6118         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6119         common symbol lists.  Don't call do_allocate_commons_list if the
6120         list is empty.
6121         (Symbol_table::do_allocate_commons_list): Remove is_tls
6122         parameter.  Add comons_section_type parameter.  Change all
6123         callers.  Handle small and large common symbols.
6124         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6125         Symbol::is_common_shndx.
6126         * resolve.cc (symbol_to_bits): Likewise.
6127         * target.h (Target::small_common_shndx): New function.
6128         (Target::small_common_section_flags): New function.
6129         (Target::large_common_shndx): New function.
6130         (Target::large_common_section_flags): New function.
6131         (Target::new_output_section): New function.
6132         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6133         small_common_section_flags, and large_common_section_flags
6134         fields.
6135         (Target::do_new_output_section): New virtual function.
6136         * arm.cc (Target_arm::arm_info): Initialize new fields.
6137         * i386.cc (Target_i386::i386_info): Likewise.
6138         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6139         Likewise.
6140         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6141         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6142         (Target_x86_64::do_new_output_section): New function.
6143         * configure.ac: Define conditional MCMODEL_MEDIUM.
6144         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6145         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6146         (large_LDFLAGS): Define.
6147         * testsuite/large.c: New file.
6148         * testsuite/testfile.cc (Target_test::test_target_info):
6149         Initialize new fields.
6150         * configure, testsuite/Makefile.in: Rebuild.
6151
6152 2009-06-05  Doug Kwan  <dougkwan@google.com>
6153
6154         * Makefile.am (CCFILES): Add target.cc.
6155         * Makefile.in: Regenerate.
6156         * i386.cc (class Target_i386): Define new virtual method to
6157         override do_is_local_label_name in parent.
6158         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6159         local symbols if --discard-locals or -X is given.
6160         * options.h (class General_options): Declare new options
6161         '--discard-locals' and '-X' for discarding locals.
6162         * target.h (class Target): Define new methods is_local_label_name.
6163         Declare new virtual method do_is_local_label_name.
6164         * target.cc: New file.
6165         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6166         (check_SCRIPTS): Add discard_locals_test.sh.
6167         (check_DATA): Add discard_local_tests.syms.
6168         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6169         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6170         * testsuite/Makefile.in: Regenerate.
6171         * testsuite/discard_locals_test.c: New file.
6172         * testsuite/discard_locals_test.sh: Same.
6173
6174 2009-06-05  Doug Kwan  <dougkwan@google.com>
6175
6176         * object.cc (Sized_relobj::Sized_relobj): Initialize
6177         discarded_eh_frame_shndx_ to -1U.
6178         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6179         section.
6180         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6181         a discarded .eh_frame section.
6182         (Sized_relobj::do_finalize_local_symbols): Ditto.
6183         * object.h (class Sized_relobj): Declare new member
6184         discarded_eh_frame_shndx_.
6185         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6186         (local_labels_test.o, local_labels_test): New rules.
6187         * testsuite/Makefile.in: Regenerate.
6188
6189 2009-06-04  Doug Kwan  <dougkwan@google.com>
6190
6191         * layout.cc (Layout::section_name_mapping): Add mapping for
6192         special ARM sections.
6193
6194 2009-06-03  Doug Kwan  <dougkwan@google.com>
6195
6196         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6197         (utils::has_overflow): Same.
6198
6199 2009-06-03  Ian Lance Taylor  <iant@google.com>
6200
6201         * layout.cc (Layout::section_name_mapping): New array, replacing
6202         Layout::linkonce_mapping.
6203         (Layout::section_name_mapping_count): New variable, replacing
6204         Layout::linkonce_mapping_count.
6205         (Layout::linkonce_output_name): Remove.
6206         (Layout::output_section_name): Rewrite.
6207         * layout.h (class Layout): Rename Linkonce_mapping to
6208         Section_name_mapping, linkonce_mapping to section_name_mapping,
6209         linkonce_mapping_count to section_name_mapping_count.  Don't
6210         declare linkonce_output_name.
6211
6212 2009-06-03  Doug Kwan  <dougkwan@google.com>
6213
6214         * gold/arm.cc (namespace utils): New.
6215         (Target_arm::reloc_is_non_pic): Define new method.
6216         (class Arm_relocate_functions): New.
6217         (Target_arm::Relocate::relocate): Handle relocation types used by
6218         Android.
6219
6220 2009-06-03  Ian Lance Taylor  <iant@google.com>
6221
6222         * arm.cc (Target_arm::scan::global): Use || instead of |.
6223
6224 2009-06-02  Doug Kwan  <dougkwan@google.com>
6225
6226         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6227         issued_non_pic_error_.
6228         (class Target_arm::Scan): Declare new method check_non_pic.
6229         Define new method symbol_needs_plt_entry.
6230         Declare new data member issued_non_pic_error_.
6231         (class Target_arm::Relocate): Declare new method
6232         should_apply_static_reloc.
6233         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6234         (Target_arm::Scan::check_non_pic): Define new method.
6235         (Target_arm::Scan::local): Handle a small subset of reloc types used
6236         by Android.
6237         (Target_arm::Scan::local): Same.
6238         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6239
6240 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6241
6242         * incremental.cc (Incremental_inputs::report_command_line): Filter
6243         out --incremental-* options.
6244
6245 2009-05-29  Doug Kwan  <dougkwan@google.com>
6246
6247         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6248         template class.
6249         (class Target_arm): Update comment.
6250         (Target_arm::Target_arm): Initialize new data members GOT_,
6251         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6252         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6253         and Target_arm::rel_dyn_section.
6254         Declare new_enum Target_arm::Got_type.
6255         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6256         and DYNBSS_.
6257         Update commments for member do_dynsym_value.
6258         (Target_arm::got_size, Target_arm::plt_section,
6259         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6260         new methods inside class defintion.
6261         (Target_arm::got_section): Define new method.
6262         (Target_arm::rel_dyn_section): Same.
6263         (Output_data_plt_arm): New template class.
6264         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6265         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6266         (Output_data_plt_arm::add_entry): Same.
6267         (Output_data_plt_arm::first_plt_entry): Define new
6268         static data member for PLT instruction template.
6269         (Output_data_plt_arm::plt_entry): Same.
6270         (Output_data_plt_arm::do_write): Define new method.
6271         (Target_arm::make_plt_entry): Same.
6272         (Target_arm::do_finalize_sections): Same.
6273         (Target_arm::do_dynsym_value): Same.
6274
6275 2009-05-28  Doug Kwan  <dougkwan@google.com>
6276
6277         * Makefile.am (TARGETSOURCES): Add arm.cc.
6278         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6279         * Makefile.in: Regenerate.
6280         * arm.cc: New file.
6281         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6282
6283 2009-05-26  Doug Kwan  <dougkwan@google.com>
6284
6285         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6286         (General_options::check_excluded_libs): Strip off directories in
6287         archive name before matching like GNU ld does.
6288         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6289         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6290         (exclude_libs_test_LDFLAGS): Add linker option
6291         -Wl,--exclude-libs,libexclude_libs_test_3
6292         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6293         an explicit archive without using -l.
6294         (alt/libexclude_libs_test_3.a): New make rule.
6295         * testsuite/Makefile.in: Regenerate.
6296         * testsuite/exclude_libs_test.c : Declare lib3_default().
6297         (main): Call it.
6298         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6299         * exclude_libs_test_3.c: New file.
6300
6301 2009-05-26  Nick Clifton  <nickc@redhat.com>
6302
6303         * po/id.po: New Indonesian translation.
6304         * po/gold.pot: Updated template file.
6305
6306 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6307
6308         * testsuite/Makefile.am: Add -ffunction-sections to compile
6309         gc_comdat_test files.  Add -Wl,--gc-sections to build
6310         gc_comdat_test.
6311         * testsuite/Makefile.in: Regenerate.
6312         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6313
6314 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6315
6316         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6317         kept comdat section was garbage collected.
6318         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6319         * testsuite/Makefile.in: Regenerate.
6320         * testsuite/gc_comdat_test.sh: New file.
6321         * testsuite/gc_comdat_test_1.cc: New file.
6322         * testsuite/gc_comdat_test_2.cc: New file.
6323
6324 2009-05-19  Doug Kwan  <dougkwan@google.com>
6325
6326         * archive.cc (Archive::Archive): Move constructor from archive.h
6327         to here.  Initialize no_export_.
6328         (Archive::get_elf_object_for_member): Set no_export flag of object.
6329         * archive.h (Archive::Archive): Move constructor body to
6330         archive.cc.
6331         (Archive::no_export): New method.
6332         (Archive::no_export_): New field.
6333         * object.h (Object::Object): Initialize no_export_ to false.
6334         (Object::no_export, Object::set_no_export): New methods.
6335         (Object::no_export_): New field.
6336         * options.cc (General_options::parse_exclude_libs): New method.
6337         (General_options::check_excluded_libs) Same.
6338         * options.h (exclude_libs): New option.
6339         (General_options::check_excluded_libs): New method declaration.
6340         (General_options::excluded_libs_): New field.
6341         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6342         default or protected visibility if an object has no-export flag set.
6343         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6344         (check_SCRIPTS): Add exclude_libs_test.sh.
6345         (check_DATA): Add exclude_libs_test.syms.
6346         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6347         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6348         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6349         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6350         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6351         libexclude_libs_test_2.a): New rules.
6352         * testsuite/Makefile.in: Regenerate.
6353         * testsuite/exclude_libs_test.c: New file.
6354         * testsuite/exclude_libs_test.sh: Ditto.
6355         * testsuite/exclude_libs_test_1.c: Ditto.
6356         * testsuite/exclude_libs_test_2.c: Ditto.
6357
6358 2009-05-15  Ian Lance Taylor  <iant@google.com>
6359
6360         * configure.ac: Check for declarations for cases where libiberty.h
6361         checks HAVE_DECL_xxx.
6362         * configure, config.in: Rebuild.
6363
6364 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6365
6366         * gold.h (Incremental_argument_list): Remove (invalid) forward
6367         declaration.
6368         * incremental.cc (Incremental_inputs::report_achive): New method.
6369         (Incremental_inputs::report_object): New method.
6370         (Incremental_inputs::report_script): New method.
6371         (Incremental_inputs::finalize_inputs): New method.
6372         (Incremental_inputs::finalize): Call finalize_inputs().
6373         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6374         Create inputs entries.
6375         * incremental.h (Incremental_input_type): New enum.
6376         (Incremental_inputs::Incremental_input): Initialize new fields.
6377         (Incremental_inputs::report_inputs): New method.
6378         (Incremental_inputs::report_achive): New method.
6379         (Incremental_inputs::report_object): New method.
6380         (Incremental_inputs::report_script): New method.
6381         (Incremental_inputs::finalize_inputs): New method.
6382         (Incremental_inputs::Input_info): New struct.
6383         (Incremental_inputs::Input_info_map): New typedef.
6384         (Incremental_inputs::lock_): New field.
6385         (Incremental_inputs::Inputs_): New field.
6386         (Incremental_inputs::Inputs_map): New field.
6387         * main.cc (main): Call Incremental_input::report_inputs.
6388         * options.h (Input_argument_list): Typedef moved from
6389         Input_arguments.
6390         (Input_file_group::Files): Remove, use ::Input_argument_list.
6391         (Input_file_group::Input_argument_list): Remove, use
6392         ::Input_argument_list.
6393         * plugin.cc (Plugin_manager::add_input_file): Add error in
6394         incremental build.
6395         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6396         functions.
6397         * script.cc (read_input_script): Call
6398         Incremental_input::report_script.
6399         * script.h (Script_info): New class.
6400
6401 2009-04-27  Ian Lance Taylor  <iant@google.com>
6402
6403         * x86_64.cc (do_adjust_output_section): Set entsize to
6404         plt_entry_size.
6405
6406 2009-04-23  Elliott Hughes  <enh@google.com>
6407
6408         * output.cc (Output_file::close): After short writes, continue
6409         writing from the correct offset in the buffer being written.
6410
6411 2009-04-23  Chris Demetriou  <cgd@google.com>
6412
6413         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6414         * configure: Regenerate.
6415         * config.in: Regenerate.
6416         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6417         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6418
6419 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6420
6421         * incremental.cc (Incremental_inputs_header_data): Renamed from
6422         Incremental_input_header_data.
6423         (Incremental_inputs_header_data::data_size): New field.
6424         (Incremental_inputs_header_data::put_input_file_count): Renamed
6425         from input_file_count.
6426         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6427         from command_line_offset.
6428         (Incremental_inputs_header_data::put_reserved): Renamed from
6429         put_reserved.
6430         (Incremental_inputs_entry_data): Renamed from
6431         Incremental_input_entry_data.
6432         (Incremental_inputs_entry_data::data_size): New field.
6433         (Incremental_inputs::report_command_line): New method.
6434         (Incremental_inputs::finalize): New method.
6435         (Incremental_inputs::create_incremental_inputs_data): New method.
6436         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6437         * incremental.h: New file.
6438         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6439        (Layout::finalize): Create incremental inputs section in
6440         incremental builds.
6441        (Layout::create_incremental_info_sections): New method.
6442         * layout.h (Layout::incremental_inputs): New method.
6443        (Layout::create_incremental_info_sections): New method.
6444        (Layout::incremental_inputs_): New field.
6445         * main.cc (main): Notify Incremental_input of the command line.
6446
6447 2009-04-01  Ian Lance Taylor  <iant@google.com>
6448             Mikolaj Zalewski  <mikolajz@google.com>
6449
6450         * gold.h (reserve_unordered_map): Define, three versions, one for
6451         each version of Unordered_map.
6452         * layout.cc (Layout::Layout): Remove options parameter.  Add
6453         number_of_input_files parameter.  Don't initialize options_.
6454         Initialize number_of_input_files_ and resized_signatures_.  Move
6455         sections_are_attached_.
6456         (Layout::layout_group): Reserve space for group_signatures_.
6457         (Layout::find_or_add_kept_section): Change name parameter to be a
6458         reference.  Resize signatures_ map when it gets large enough.
6459         (Layout::layout_eh_frame): Use parameters->options() instead of
6460         this->options_.
6461         (Layout::make_output_section): Likewise.
6462         (Layout::attach_allocated_section_to_segment): Likewise.
6463         (Layout::finalize, Layout::create_executable_stack): Likewise.
6464         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6465         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6466         * layout.h (class Layout): Update declarations.  Remove options_
6467         field.  Add number_of_input_files_ and resized_signatures_
6468         fields.  Move sections_are_attached_ field.
6469         * main.cc (main): Pass number of input files to Layout
6470         constructor.  Don't pass options.
6471
6472 2009-03-30  Ian Lance Taylor  <iant@google.com>
6473
6474         * ffsll.c (ffsll): Correct implementation.
6475
6476 2009-03-27  Ian Lance Taylor  <iant@google.com>
6477
6478         * ffsll.c: New file.
6479         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6480         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6481         * ftruncate.c (ftruncate): Declare before definition.
6482         * mremap.c (mremap): Likewise.
6483         * pread.c (pread): Likewise.
6484         * configure, Makefile.in, config.in: Rebuild.
6485
6486         * mremap.c: New file.
6487         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6488         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6489         (mremap): Declare if HAVE_MREMAP is not defined.
6490         * configure, Makefile.in, config.in: Rebuild.
6491
6492 2009-03-27  Cary Coutant  <ccoutant@google.com>
6493
6494         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6495         position independent.
6496         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6497         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6498
6499 2009-03-24  Cary Coutant  <ccoutant@google.com>
6500
6501         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6502         an executable.
6503         (needs_dynamic_reloc): Likewise.
6504
6505 2009-03-24  Ian Lance Taylor  <iant@google.com>
6506
6507         * yyscript.y (file_cmd): Recognize EXTERN.
6508         (extern_name_list, extern_name_list_body): New nonterminals.
6509         * script.cc (script_add_extern): Define.
6510         * script-c.h (script_add_extern): Declare.
6511
6512 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6513
6514         * object.cc (is_elf_object): Define.
6515         * object.h (is_elf_object): Declare.
6516         * archive.cc (Archive::get_elf_object_for_member): Call
6517         is_elf_object.
6518         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6519
6520 2009-03-24  Elliott Hughes  <enh@google.com>
6521
6522         * output.cc (Output_file::map_anonymous): Define.
6523         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6524         try an anonymous one.  Report the size if the mmap fails.
6525         * output.h (class Output_file): Declare map_anonymous.
6526
6527 2009-03-24  Ian Lance Taylor  <iant@google.com>
6528
6529         * target-select.cc (instantiate_target): Don't acquire the lock if
6530         the instantiated_target_ field has already been set.
6531
6532 2009-03-23  Ian Lance Taylor  <iant@google.com>
6533
6534         * gold-threads.h (class Initialize_lock): Define.
6535         * gold-threads.cc (class Initialize_lock_once): Define.
6536         (initialize_lock_control): New static variable.
6537         (initialize_lock_pointer): New static variable.
6538         (initialize_lock_once): New static function.
6539         (Initialize_lock::Initialize_lock): Define.
6540         (Initialize_lock::initialize): Define.
6541         * target-select.h: Include "gold-threads.h".
6542         (class Target_selector): Add lock_ and initialize_lock_ fields.
6543         Don't define instantiate_target, just declare it.
6544         * target-select.cc (Target_selector::Target_selector): Initialize
6545         new fields.
6546         (Target_selector::instantiate_target): Define.
6547         * descriptors.h: Include "gold-threads.h".
6548         (class Descriptors): Add initialize_lock_ field.
6549         * descriptors.cc (Descriptors::Descriptors): Initialize new
6550         field.
6551         (Descriptors::open): Use initialize_lock_ field
6552         * errors.h (class Errors): Add initialize_lock_ field.
6553         * errors.cc (Errors::Errors): Initialize new field.
6554         (Errors::initialize_lock): Use initialize_lock_ field.
6555         * powerpc.cc (class Target_selector_powerpc): Remove
6556         instantiated_target_ field.  In do_recognize call
6557         instantiate_target rather than do_instantiate_target.  In
6558         do_instantiate_target just allocate a new target.
6559         * sparc.cc (class Target_selector_sparc): Likewise.
6560
6561         * freebsd.h: New file.
6562         * i386.cc: Include "freebsd.h".
6563         (Target_i386): Derive from Target_freebsd rather than
6564         Sized_target.
6565         (Target_selector_i386): Derive from Target_selector_freebsd rather
6566         than Target_selector.
6567         * x86_64.cc: Include "freebsd.h".
6568         (Target_x86_64): Derive from Target_freebsd rather than
6569         Sized_target.
6570         (Target_selector_x86_64): Derive from Target_selector_freebsd
6571         rather than Target_selector.
6572         * target.h (class Target): Add adjust_elf_header and
6573         do_adjust_elf_header.
6574         * output.cc (Output_file_header:: do_sized_write): Call target
6575         adjust_elf_header routine.
6576         * configure.tgt: Set targ_osabi.
6577         * configure.ac: Define GOLD_DEFAULT_OSABI.
6578         * parameters.cc (Parameters::default_target): Pass
6579         GOLD_DEFAULT_OSABI to select_target.
6580         * target-select.h (class Target_selector): Make instantiate_target
6581         protected rather than private.
6582         * Makefile.am (HFILES): Add freebsd.h.
6583         * configure, Makefile.in, config.in: Rebuild.
6584
6585         * merge.cc (do_add_input_section): Correct pend value.  Change
6586         message about last entry not being null terminated from error to
6587         warning.
6588
6589 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6590
6591         * incremental.cc: New file.
6592         * Makefile.am (CCFILES): Add incremental.cc.
6593         * Makefile.in: Rebuild.
6594
6595 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6596
6597         * layout.cc (Layout::output_section_name): Preserve names
6598         of '.note.' sections.
6599
6600 2009-03-19  Ian Lance Taylor  <iant@google.com>
6601
6602         * descriptors.cc (Descriptors::open): Check that the options are
6603         valid before using them.
6604
6605 2009-03-18  Ian Lance Taylor  <iant@google.com>
6606
6607         * script-sections.h: Include <list>.
6608         (class Script_sections): Change Sections_elements from std::vector
6609         to std::list.  Typedef public Elements_iterator.  Add
6610         orphan_section_placement_, data_segment_align_start_, and
6611         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6612         field.
6613         * script-sections.cc (class Orphan_section_placement): New class.
6614         (class Sections_element): Add virtual functions is_relro and
6615         orphan_section_init.  Remove virtual function place_orphan_here.
6616         (class Output_section_definition): Add is_relro and
6617         orphan_section_init.  Remove place_orphan_here.
6618         (class Orphan_output_section): Likewise.
6619         (Script_sections::Script_sections): Update for field changes.
6620         (Script_sections::data_segment_align): Set saw_data_segment_align_
6621         and data_segment_align_start_, not data_segment_align_index.
6622         (Script_sections::data_segment_relro_end): Check
6623         saw_data_segment_align_.  Use data_segment_align_start_ rather
6624         than data_segment_align_index_.
6625         (Script_sections::place_orphan): Rewrite to use
6626         Orphan_section_placement.
6627
6628 2009-03-17  Ian Lance Taylor  <iant@google.com>
6629
6630         * archive.cc (Archive::add_symbols): Check for a version attached
6631         to the symbol name in the archive map.
6632         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6633         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6634         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6635         (ver_test_11.a): New target.
6636         * testsuite/Makefile.in: Rebuild.
6637
6638         * configure.ac: Check for chsize and posix_fallocate.  Replace
6639         ftruncate.
6640         * ftruncate.c: New file, from gnulib.
6641         * output.cc (posix_fallocate): Define dummy version if not
6642         HAVE_POSIX_FALLOCATE.
6643         (Output_file::map): Call posix_fallocate rather than lseek and
6644         write.
6645         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6646         * configure, Makefile.in, config.in: Rebuild.
6647
6648 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6649
6650         * layout.h (Layout::create_note): Add section_name parameter.
6651         * layout.cc (Layout::create_note): Likewise.
6652         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6653
6654 2009-03-17  Ian Lance Taylor  <iant@google.com>
6655
6656         * descriptors.cc: Include "options.h".
6657         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6658         (Descriptors::open): Always use O_CLOEXEC when opening a new
6659         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6660         then set FD_CLOEXEC.
6661
6662         * sparc.cc (class Target_sparc): Add has_got_section.
6663         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6664         make sure we have a GOT section.
6665
6666         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6667         (Target_sparc::Scan::local): Likewise.
6668         (Target_sparc::Scan::global): Likewise.
6669         (Target_sparc::Relocate::relocate): Likewise.
6670         (Target_sparc::Relocate::relocate_tls): Likewise.
6671
6672         * symtab.cc (Symbol_table::define_default_version): New function,
6673         broken out of add_from_object.
6674         (Symbol_table::add_from_object): Call define_default_version.
6675         (Symbol_table::define_special_symbol): Add resolve_oldsym
6676         parameter.  Change all callers.  If the version for a symbol comes
6677         from a version script, resolve it with the symbol with the same
6678         name with no version.  Also add the symbol without a version if
6679         appropriate.
6680         (do_define_in_output_data): If resolving with oldsym, don't delete
6681         sym.
6682         (do_define_in_output_segment): Likewise.
6683         (do_define_as_constant): Likewise.
6684         * symtab.h (class Symbol_table): Update declarations.
6685
6686 2009-03-13  Ian Lance Taylor  <iant@google.com>
6687
6688         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6689         (Read_symbols::requeue): New function.
6690         (Read_symbols::do_read_symbols): If make_elf_object fails because
6691         the target type is not configured, and the file was searched for,
6692         issue a warning and retry with the next directory.
6693         (Add_symbols::run): If the file has an incompatible format, and
6694         it was searched for, requeue the Read_symbols task.  On error,
6695         release the object.
6696         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6697         dirindex parameter to constructor.  Change all callers.  Declare
6698         incompatible_warning and requeue.
6699         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6700         input_argument_ and input_group_ fields.  Add them to
6701         constructor.  Change all callers.
6702         (class Read_script): Add dirindex_ field.  Add it to constructor.
6703         Change all callers.
6704         * archive.cc (Archive::setup): Remove input_objects parameter.
6705         Change all callers.
6706         (Archive::get_file_and_offset): Likewise.
6707         (Archive::read_all_symbols): Likewise.
6708         (Archive::read_symbols): Likewise.
6709         (Archive::get_elf_object_for_member): Remove input_objects
6710         parameter.  Add punconfigured parameter.  Change all callers.
6711         (Archive::add_symbols): Change return type to bool.  Check return
6712         value of include_member.
6713         (Archive::include_all_members): Likewise.
6714         (Archive::include_member): Change return type to bool.  Return
6715         false if first included object has incompatible target.  Set
6716         included_member_ field.
6717         (Add_archive_symbols::run): If add_symbols returns false, requeue
6718         Read_symbols task.
6719         * archive.h (class Archive): Add included_member_ field.
6720         Initialize it in constructor.  Add input_file and searched_for
6721         methods.  Update declarations.
6722         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6723         input_argument_ fields.  Add them to constructor.  Change all
6724         callers.
6725         * script.cc: Include "target-select.h".
6726         (class Parser_closure): Add skip_on_incompatible_target_ and
6727         found_incompatible_target_ fields.  Add
6728         skip_on_incompatible_target parameter to constructor.  Change all
6729         callers.  Add methods skip_on_incompatible_target,
6730         clear_skip_on_incompatible_target, found_incompatible_target, and
6731         set_found_incompatible_target.
6732         (read_input_script): Add dirindex parameter.  Change all callers.
6733         If parser finds an incompatible target, requeue Read_symbols
6734         task.
6735         (script_set_symbol): Clear skip_on_incompatible_target in
6736         closure.
6737         (script_add_assertion, script_parse_option): Likewise.
6738         (script_start_sections, script_add_phdr): Likewise.
6739         (script_check_output_format): New function.
6740         * script.h (read_input_script): Update declaration.
6741         * script-c.h (script_check_output_format): Declare.
6742         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6743         (ignore_cmd): Remove OUTPUT_FORMAT.
6744         * fileread.cc (Input_file::Input_file): Add explicit this.
6745         (Input_file::will_search_for): New function.
6746         (Input_file::open): Add pindex parameter.  Change all callers.
6747         * fileread.h (class Input_file): Add input_file_argument method.
6748         Declare will_search_for.  Update declarations.
6749         * object.cc (make_elf_object): Add punconfigured parameter.
6750         Change all callers.
6751         * object.h (class Object): Make input_file public.  Add
6752         searched_for method.
6753         (make_elf_object): Update declaration.
6754         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6755         restart search.
6756         * dirsearch.h (class Dirsearch): Update declaration.
6757         * options.h (class General_options): Add --warn-search-mismatch.
6758         * parameters.cc (Parameters::is_compatible_target): New function.
6759         * parameters.h (class Parameters): Declare is_compatible_target.
6760         * workqueue.cc (Workqueue::add_blocker): New function.
6761         * workqueue.h (class Workqueue): Declare add_blocker.
6762
6763         * fileread.cc (Input_file::open): Remove options parameter.
6764         Change all callers.
6765         (Input_file::open_binary): Likewise.
6766         * script.cc (read_input_script): Likewise.
6767         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6768         options parameter from constructor.  Change all callers.
6769         (class Read_script): Likewise.
6770         * fileread.h (class Input_file): Update declarations.
6771         * script.h (read_input_script): Update declaration.
6772
6773 2009-03-10  Nick Clifton  <nickc@redhat.com>
6774
6775         * po/es.po: New Spanish translation.
6776
6777 2009-03-06  Cary Coutant  <ccoutant@google.com>
6778
6779         * options.cc (parse_short_option): Keep dash_z from registering itself.
6780
6781 2009-03-03  Ian Lance Taylor  <iant@google.com>
6782
6783         PR 9918
6784         * target-reloc.h (relocate_section): Pass output_section to
6785         relocate.
6786         * i386.cc (Target_i386::should_apply_static_reloc): Add
6787         output_section parameter.  Change all callers.
6788         (Target_i386::Relocate::relocate): Add output_section parameter.
6789         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6790         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6791         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6792         * testsuite/two_file_shared.sh: New script.
6793         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6794         (check_DATA): Add two_file_shared.dbg.
6795         (two_file_shared.dbg): New target.
6796         * testsuite/Makefile.in: Rebuild.
6797
6798 2009-03-01  Ian Lance Taylor  <iant@google.com>
6799
6800         * configure.ac: Check for byteswap.h.
6801         * configure: Rebuild.
6802         * config.in: Rebuild.
6803
6804 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6805
6806         * layout.cc (Layout::find_or_add_kept_section): New function.
6807         (Layout::add_comdat): Removed.
6808         * layout.h (struct Kept_section): Move out of class Layout.
6809         Remove trailing underscores from field names.  Add group_sections
6810         field.  Rename group_ field to is_group.  Change all uses.
6811         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6812         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6813         comdat_groups_ field.
6814         (Sized_relobj::include_section_group): Use
6815         find_or_add_kept_section and Kept_section::group_sections.
6816         (Sized_relobj::include_linkonce_section): Likewise.
6817         * object.cc (class Sized_relobj): Don't define Comdat_group or
6818         Comdat_group_table.  Remove find_comdat_group and
6819         add_comdat_group.  Remove comdat_groups_ field.
6820         * plugin.cc (include_comdat_group): Use
6821         Layout::find_or_add_kept_section.
6822
6823 2009-02-28  Ian Lance Taylor  <iant@google.com>
6824
6825         * README: --gc-sections and map files are now supported.  Document
6826         some build requirements.
6827
6828         PR 6992
6829         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6830         relocatable link set the value of the section symbol to zero.
6831         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6832         relocatable link don't include the section address in the local
6833         symbol value.
6834
6835 2009-02-27  Ian Lance Taylor  <iant@google.com>
6836
6837         PR 6811
6838         * options.h (class Search_directory): Add is_system_directory.
6839         (class General_options): Declare is_in_system_directory.
6840         * options.cc (get_relative_sysroot): Make static.
6841         (get_default_sysroot): Make static.
6842         (General_optoins::is_in_system_directory): New function.
6843         * fileread.cc (Input_file::is_in_system_directory): New function.
6844         * fileread.h (class Input_file): Declare is_in_system_directory.
6845         * object.h (class Object): Add is_in_system_directory.
6846         (class Input_objects): Remove system_library_directory_ field.
6847         * object.cc (Input_objects::add_object): Don't set
6848         system_library_directory_.
6849         (input_objects::found_in_system_library_directory): Remove.
6850         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6851         parameter.  Change all callers.
6852         (Symbol_table::sized_write_globals): Likewise.
6853         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6854         Call Object::is_in_system_directory.
6855         * symtab.h (class Symbol_table): Update declarations.
6856
6857         PR 5990
6858         * descriptors.h (Open_descriptor): Add is_on_stack field.
6859         * descriptors.cc (Descriptors::open): If the descriptor is on the
6860         top of the stack, remove it.  Initialize is_on_stack field.
6861         (Descriptors::release): Only add pod to stack if it is not on the
6862         stack already.
6863         (Descriptors::close_some_descriptor): Clear stack_next and
6864         is_on_stack fields.
6865
6866         PR 7091
6867         * output.cc (Output_section::find_starting_output_address): Rename
6868         from starting_output_address; add PADDR parameter; change return
6869         type.
6870         * output.h (class Output_section): Declare
6871         find_starting_output_address instead of starting_output_address.
6872         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6873         section symbol for which we can't find a merge section.
6874
6875         PR 9836
6876         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6877         hidden or internal, force the symbol to be local.
6878         * resolve.cc (Symbol::override_visibility): Define.
6879         (Symbol::override_base): Use override_visibility.
6880         (Symbol_table::resolve): Likewise.
6881         (Symbol::override_base_with_special): Likewise.
6882         (Symbol_table::override_with_special): If the visibility is hidden
6883         or internal, force the symbol to be local.
6884         * symtab.h (class Symbol): Add set_visibility and
6885         override_visibility.
6886         * testsuite/ver_test_1.sh: New file.
6887         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6888         (check_DATA): Add ver_test_1.syms.
6889         (ver_test_1.syms): New target.
6890         * testsuite/Makefile.in: Rebuild.
6891
6892 2009-02-25  Cary Coutant  <ccoutant@google.com>
6893
6894         * layout.cc (Layout::choose_output_section): Don't rename sections
6895         when using a linker script that has a SECTIONS clause.
6896         * Makefile.in: Regenerate.
6897
6898         * testsuite/Makefile.am (script_test_5.sh): New test case.
6899         * testsuite/Makefile.in: Regenerate.
6900         * testsuite/script_test_5.cc: New file.
6901         * testsuite/script_test_5.sh: New file.
6902         * testsuite/script_test_5.t: New file.
6903
6904 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
6905
6906         * archive.cc (Archive::include_member): Update calls to add_symbols.
6907         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6908         the Layout argument.
6909         * dynobj.h (do_add_symbols): Add the Layout argument.
6910         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6911         Layout argument.
6912         * object.h (Object::add_symbols): Add the Layout argument.
6913         (Object::do_add_symbols): Add the Layout argument.
6914         (Sized_relobj::do_add_symbols): Add the Layout argument.
6915         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6916         Unify the two versions.
6917         (Add_plugin_symbols): Remove.
6918         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6919         (Sized_pluginobj::do_add_symbols): Unify the two versions.
6920         (Add_plugin_symbols): Remove.
6921         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6922         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6923         (Add_symbols::run): Make it work with Pulginobj.
6924
6925 2009-02-06  Ian Lance Taylor  <iant@google.com>
6926
6927         * object.cc (Sized_relobj::do_layout): Make info message start
6928         with lower case letter.
6929
6930 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
6931
6932         * binary.cc: Fix file comment.
6933
6934         * options.h (enum Incremental_disposition): Define.
6935         (class General_options): Add new options: --incremental,
6936         --incremental_changed, --incremental_unchanged,
6937         --incremental_unknown.  Add incremental_disposition_ and
6938         implicit_incremental_ fields.
6939         (General_options::incremental_disposition): New function.
6940         (class Position_dependent_options): Add incremental_disposition
6941         option.
6942         (Position_dependent_options::copy_from_options): Set incremental
6943         dispositions.
6944         * options.cc (General_options::parse_incremental_changed): New
6945         function.
6946         (General_options::parse_incremental_unchanged): New function.
6947         (General_options::parse_incremental_unknown): New function.
6948         (General_options::General_options): Initialize new fields
6949         incremental_disposition_ and implicit_incremental_.
6950         (General_options::finalize): Check for uasge of --incremental-*
6951         without --incremental.
6952
6953 2009-02-06  Chris Demetriou  <cgd@google.com>
6954
6955         * gold.h (gold_undefined_symbol): Change to take only a Symbol
6956         pointer and to report location as the file name associated with
6957         the symbol.
6958         (gold_undefined_symbol_at_location): New function to replace the
6959         old gold_undefined_symbol functionality.
6960         * target-reloc.h (relocate_section): Update to use
6961         gold_undefined_symbol_at_location.
6962         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6963         Call gold_undefined_symbol function rather than gold_error.
6964         * errors.h (Errors::undefined_symbol): Take location as a
6965         string, rather than calculating it from a relocation.
6966         * errors.cc (Errors::fatal): Print "fatal error:" before the
6967         formatted message.
6968         (Errors::error, Errors::error_at_location): Print "error: "
6969         before the formatted message.
6970         (Errors::undefined_symbol): Take location as a string, rather
6971         than calculating it from a relocation.
6972         (gold_undefined_symbol_at_location): New function akin to
6973         old gold_undefined_symbol, calculates location from relocation.
6974         (gold_undefined_symbol): Change to take only a Symbol pointer
6975         and to report location as the file name associated with the symbol.
6976         * testsuite/debug_msg.sh: Update for changed error messages.
6977         * testsuite/undef_symbol.sh: Likewise.
6978
6979 2009-02-04  Duncan Sands  <baldrick@free.fr>
6980
6981         PR 9812
6982         * reduced_debug_output.h
6983         (Output_reduced_debug_abbrev_section::failed): Use format for
6984         gold_warning.
6985         (Output_reduced_debug_info_section::faild): Likewise.
6986
6987 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
6988
6989         * script.cc (Lazy_demangler): New class.
6990         (Version_script_info::get_symbol_version_helper): Demangle a
6991         symbol only once.
6992
6993 2009-01-29  Cary Coutant  <ccoutant@google.com>
6994
6995         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
6996         to __tls_get_addr.
6997         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6998
6999 2009-01-28  Ian Lance Taylor  <iant@google.com>
7000
7001         * version.cc (version_string): Bump to 1.9.
7002
7003         * gold.h: Include <cstring> and <stdint.h>.
7004         * version.cc: Include <cstdio>.
7005         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7006         warning.
7007         * reduced_debug_output.cc (insert_into_vector): Rename from
7008         Insert_into_vector; change all callers.  Use Swap_unaligned to
7009         avoid aliasing issue; remove union since it is unnecessary.
7010
7011 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7012
7013         * Makefile.am (CCFILES): Add gc.cc.
7014         (HFILES): Add gc.h.
7015         * Makefile.in: Regenerate.
7016         * gold.cc (Gc_runner): New class.
7017         (queue_initial_tasks): Call garbage collection related tasks
7018         when corresponding options are invoked.
7019         (queue_middle_gc_tasks): New function.
7020         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7021         processed early before laying out sections during garbage collection.
7022         * gold.h (queue_middle_gc_tasks): New function.
7023         (is_prefix_of): Move from "layout.cc".
7024         * i386.cc (Target_i386::gc_process_relocs): New function.
7025         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7026         * main.cc (main): Create object of class "Garbage_collection".
7027         * object.cc (Relobj::copy_symbols_data): New function.
7028         (Relobj::is_section_name_included): New function.
7029         (Sized_relobj::do_layout): Allow this function to be called twice
7030         during garbage collection and defer layout of section during the
7031         first call.
7032         * object.h (Relobj::get_symbols_data): New function.
7033         (Relobj::is_section_name_included): New function.
7034         (Relobj::copy_symbols_data): New function.
7035         (Relobj::set_symbols_data): New function.
7036         (Relobj::get_relocs_data): New function.
7037         (Relobj::set_relocs_data): New function.
7038         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7039         (Relobj::gc_process_relocs): New function.
7040         (Relobj::do_gc_process_relocs): New pure virtual function.
7041         (Relobj::sd_): New data member.
7042         (Sized_relobj::is_output_section_offset_invalid): New function.
7043         (Sized_relobj::do_gc_process_relocs): New function.
7044         * options.h (General_options::gc_sections): Modify to not be a no-op.
7045         (General_options::print_gc_sections): New option.
7046         * plugin.cc (Plugin_finish::run): Remove function call to
7047         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7048         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7049         * reloc.cc (Read_relocs::run): Add task to process relocs and
7050         determine unreferenced sections when doing garbage collection.
7051         (Gc_process_relocs): New class.
7052         (Sized_relobj::do_gc_process_relocs): New function.
7053         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7054         sections that are garbage collected.
7055         * reloc.h (Gc_process_relocs): New class.
7056         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7057         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7058         symbols whose corresponding sections are garbage collected.
7059         (Symbol_table::Symbol_table): Add new parameter for the garbage
7060         collection object.
7061         (Symbol_table::gc_mark_undef_symbols): New function.
7062         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7063         (Symbol_table::gc_mark_dyn_syms): New function.
7064         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7065         as garbage.
7066         (Symbol_table::add_from_object): Likewise.
7067         (Symbol_table::add_from_relobj): When building shared objects, do not
7068         treat externally visible symbols as garbage.
7069         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7070         table information for static and relocatable links.
7071         * symtab.h (Symbol_table::set_gc): New function.
7072         (Symbol_table::gc): New function.
7073         (Symbol_table::gc_mark_undef_symbols): New function.
7074         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7075         (Symbol_table::gc_mark_dyn_syms): New function.
7076         (Symbol_table::gc_): New data member.
7077         * target.h (Sized_target::gc_process_relocs): New pure virtual
7078         function.
7079         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7080         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7081
7082 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7083
7084         * options.h (General_options::gc_sections): Define as a no-op for now.
7085         (General_options::no_keep_memory): Ditto.
7086         (General_options::Bshareable): Define.
7087         * options.cc (General_options::finalize): Honor -Bshareable.
7088
7089 2009-01-20  Andreas Schwab  <schwab@suse.de>
7090
7091         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7092         read the value in the contents, since we don't use it.  Use the
7093         template endianness when writing.
7094         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7095
7096 2009-01-19  Andreas Schwab  <schwab@suse.de>
7097
7098         * configure.tgt (powerpc64-*): Fix targ_obj.
7099
7100 2009-01-15  Ian Lance Taylor  <iant@google.com>
7101
7102         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7103         local symbols when stripping all symbols.
7104
7105 2009-01-14  Cary Coutant  <ccoutant@google.com>
7106
7107         * output.cc (Output_reloc): Add explicit instantiations.
7108
7109 2009-01-14  Cary Coutant  <ccoutant@google.com>
7110
7111         * archive.cc (Archive::get_elf_object_for_member): Remove call
7112         to File_read::claim_for_plugin.
7113         * descriptors.cc (Descriptors::open): Remove reference to
7114         is_claimed.
7115         (Descriptors::claim_for_plugin): Remove.
7116         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7117         (Descriptors::is_claimed): Remove.
7118         (claim_descriptor_for_plugin): Remove.
7119         * fileread.cc (File_read::claim_for_plugin): Remove.
7120         * fileread.h (File_read::claim_for_plugin): Remove.
7121         (File_read::descriptor): Reopen descriptor if necessary.
7122         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7123         (Plugin_manager::all_symbols_read): Add task parameter. Change
7124         all callers.
7125         (Plugin_manager::get_input_file): New function.
7126         (Plugin_manager::release_input_file): New function.
7127         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7128         corresponding data member.
7129         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7130         and pass to base constructor. Change all callers.
7131         (get_input_file, release_input_file): New functions.
7132         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7133         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7134         (Plugin_manager::all_symbols_read): Add task parameter.
7135         (Plugin_manager::get_input_file): New function.
7136         (Plugin_manager::release_input_file): New function.
7137         (Plugin_manager::task_): New data member.
7138         (Pluginobj::Pluginobj): Add filesize parameter.
7139         (Pluginobj::filename): New function.
7140         (Pluginobj::descriptor): New function.
7141         (Pluginobj::filesize): New function.
7142         (Pluginobj::filesize_): New data member.
7143         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7144         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7145         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7146
7147         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7148         with archive libraries.
7149         * testsuite/Makefile.in: Regenerate.
7150         * testsuite/plugin_test.c (struct sym_info): New type.
7151         (get_input_file, release_input_file): New static variables.
7152         (onload): Capture new transfer vector entries.
7153         (claim_file_hook): Stop reading at end of file according to filesize.
7154         Factor out parsing of readelf output into separate function.
7155         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7156         APIs and get the source file name from the symbol table.  Convert
7157         source file name to corresponding object file name.  Print info
7158         message when adding new input files.
7159         (parse_readelf_line): New function.
7160         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7161         * testsuite/plugin_test_2.sh: Likewise.
7162         * testsuite/plugin_test_3.sh: Likewise.
7163         * testsuite/plugin_test_4.sh: New test case.
7164
7165 2009-01-07  Ian Lance Taylor  <iant@google.com>
7166
7167         * version.cc (version_string): Bump to 1.8.
7168
7169 2008-12-23  Cary Coutant  <ccoutant@google.com>
7170
7171         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7172         * plugin.cc (Plugin_manager::finish): Rename as
7173         layout_deferred_objects.  Move cleanup to separate function.
7174         (Plugin_manager::cleanup): New function.
7175         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7176         separately.
7177         * plugin.h (Plugin_manager::finish): Rename as
7178         layout_deferred_objects.
7179         (Plugin_manager::cleanup): New function.
7180         (Plugin_manager::cleanup_done): New field.
7181
7182 2008-12-23  Cary Coutant  <ccoutant@google.com>
7183
7184         * plugin.cc (is_visible_from_outside): New function.
7185         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7186         so we don't return "IR only" status for exported symbols or -r links.
7187
7188         * testsuite/Makefile.am (plugin_test_3): New test case.
7189         * testsuite/Makefile.in: Regenerate.
7190         * testsuite/plugin_test_3.sh: New file.
7191
7192 2008-12-22  Cary Coutant  <ccoutant@google.com>
7193
7194         * object.cc (Sized_relobj::layout_section): New function.
7195         (Sized_relobj::do_layout): Defer layout of input sections until after
7196         plugin has provided replacement files.
7197         (Sized_relobj::do_layout_deferred_sections): New function.
7198         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7199         (Relobj::layout_deferred_sections): New function.
7200         (Relobj::do_layout_deferred_sections): New function.
7201         (Sized_relobj::do_layout_deferred_sections): New function.
7202         (Sized_relobj::layout_section): New function.
7203         (Sized_relobj::Deferred_layout): New structure.
7204         (Sized_relobj::deferred_layout_): New field.
7205         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7206         Change all callers.  Layout deferred sections.
7207         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7208         references.
7209         (Plugin_hook::run): Move code from do_plugin_hook inline.
7210         (Plugin_hook::do_plugin_hook): Remove.
7211         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7212         (Plugin_manager::finish): Renamed, was cleanup.
7213         (Plugin_manager::should_defer_layout): New function.
7214         (Plugin_manager::add_deferred_layout_object): New function.
7215         (Plugin_manager::Deferred_layout_list): New type.
7216         (Plugin_manager::deferred_layout_objects_): New field.
7217         (Plugin_hook::do_plugin_hook): Remove.
7218
7219 2008-12-17  Ian Lance Taylor  <iant@google.com>
7220
7221         * options.h (class General_options): Add --no case for
7222         --export-dynamic.
7223
7224 2008-12-16  Cary Coutant  <ccoutant@google.com>
7225
7226         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7227         vector.
7228         (Plugin_manager::claim_file): Create plugin object even if
7229         plugin did not call the add_symbols callback.
7230         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7231         asking for more symbols than were added.
7232         * testsuite/Makefile.am (plugin_test_1): Add test case with
7233         no global symbols.
7234         (empty.syms): New target.
7235         * testsuite/Makefile.in: Regenerate.
7236         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7237         message. Don't call add_symbols if no globals.
7238         (all_symbols_read_hook): Don't provide replacement for empty
7239         claimed file.
7240
7241 2008-12-12  Ian Lance Taylor  <iant@google.com>
7242
7243         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7244         r_type == 0 for a local symbol with r_sym == 0.
7245         (scan_relocatable_relocs): Pass r_sym to
7246         local_non_section_strategy.
7247         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7248         r_sym parameter.
7249
7250         * configure.ac: Update test for TLS descriptors: they are
7251         supported as of glibc 2.9.
7252         * configure: Rebuild.
7253
7254 2008-12-11  Ian Lance Taylor  <iant@google.com>
7255
7256         PR 7091
7257         * target-reloc.h (Default_scan_relocatable_relocs): For each
7258         function, map r_type == 0 to RELOC_DISCARD.
7259
7260 2008-12-10  Cary Coutant  <ccoutant@google.com>
7261
7262         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7263         object to override a kept COMDAT group from a plugin object.
7264
7265 2008-12-09  Ian Lance Taylor  <iant@google.com>
7266
7267         PR 7088
7268         * yyscript.y (file_cmd): Handle INPUT.
7269
7270         * testsuite/initpri1.c: Change all declarations to be full
7271         prototypes by adding void, to avoid compiler warnings.
7272
7273 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7274
7275         * options.cc (General_options::parse_plugin_opt): New.
7276         (General_options::add_plugin): The argument now is just the filename.
7277         (General_options::add_plugin_option): New.
7278         * options.h (plugin_opt): New.
7279         (add_plugin): Change argument name.
7280         (add_plugin_option): New.
7281         * plugin.cc (Plugin::load): Don't parse the plugin option.
7282         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7283         (Plugin::add_option): New.
7284         (Plugin::args_): Change type.
7285         (Plugin::filename_): New.
7286         (Plugin_manager::add_plugin_option): New.
7287         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7288         * testsuite/Makefile.in: Regenerate.
7289
7290 2008-12-05  Cary Coutant  <ccoutant@google.com>
7291
7292         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7293         Handle --strip-lto-sections option.
7294         * options.h (strip_lto_sections): New option.
7295
7296 2008-12-01  Cary Coutant  <ccoutant@google.com>
7297
7298         * plugin.cc (ld_plugin_message): Change format parameter to const.
7299         Fix mismatch between new[] and delete.
7300
7301 2008-11-14  Cary Coutant  <ccoutant@google.com>
7302
7303         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7304         instead of -1U.
7305
7306 2008-11-05  Craig Silverstein  <csilvers@google.com>
7307
7308         * options.cc (General_options::parse_dynamic_list): New function.
7309         * options.h (General_options): New flags dynamic_list,
7310         dynamic_list_data, dynamic_list_cpp_new, and
7311         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7312         (General_options::in_dynamic_list): New function.
7313         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7314         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7315         (Lex::can_continue_name): Likewise.
7316         (yylex): Likewise.
7317         (read_script_file): New parameter script_options.
7318         (read_dynamic_list): New function.
7319         (Script_options::define_dynamic_list): New function.
7320         (dynamic_list_keyword_parsecodes): New variable.
7321         (dynamic_list_keywords): New variable.
7322         * script.h (Script_options::define_dynamic_list): New function
7323         prototype.
7324         (read_dynamic_list): New function prototype.
7325         * symtab.cc (strprefix): New macro.
7326         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7327         dynamic_list_data, dynamic_list_cpp_new, and
7328         dynamic_list_cpp_typeinfo.
7329         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7330         (dynamic_list_expr): New rule.
7331         (dynamic_list_nodes): Likewise.
7332         (dynamic_list_node): Likewise.
7333         * testsuite/Makefile.am (dynamic_list): New test.
7334         * testsuite/Makefile.in: Regenerated.
7335         * testsuite/dynamic_list.t: New file.
7336         * testsuite/dynamic_list.sh: New file.
7337
7338 2008-11-05  Craig Silverstein  <csilvers@google.com>
7339
7340         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7341         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7342         (t11_last): Likewise.
7343         * testsuite/ver_test_6.c (main): Likewise.
7344
7345 2008-10-07  Cary Coutant  <ccoutant@google.com>
7346
7347         * options.c (General_options::finalize): Add check for -static and
7348         -shared.
7349         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7350         is not empty.
7351
7352 2008-10-02  Cary Coutant  <ccoutant@google.com>
7353
7354         * plugin.cc (make_sized_plugin_object): Fix conditional
7355         compilation to work when not all targets are enabled.
7356
7357 2008-09-29  Cary Coutant  <ccoutant@google.com>
7358
7359         * archive.cc (Archive::get_file_and_offset): Use filename instead
7360         of name to get library path.
7361         (Archive::include_member): Unlock external member of a thin archive.
7362
7363         * testsuite/Makefile.am (TEST_AR): New variable.
7364         (thin_archive_test_1): New test.
7365         (thin_archive_test_2): New test.
7366         * testsuite/Makefile.in: Regenerate.
7367         * testsuite/thin_archive_main.cc: New file.
7368         * testsuite/thin_archive_test_1.cc: New file.
7369         * testsuite/thin_archive_test_2.cc: New file.
7370         * testsuite/thin_archive_test_3.cc: New file.
7371         * testsuite/thin_archive_test_4.cc: New file.
7372
7373 2008-09-29  Cary Coutant  <ccoutant@google.com>
7374
7375         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7376         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7377         instead of -1U.
7378         (Sized_relobj::do_finalize_local_symbols): Likewise.
7379         (Sized_relobj::map_to_kept_section): Likewise.
7380         * object.h (Sized_relobj::invalid_address): New constant.
7381         (Sized_relobj::do_output_section_offset): Check for invalid_address
7382         and return -1ULL.
7383         * output.cc (Output_reloc::local_section_offset): Use constant
7384         invalid_address instead of -1U.
7385         (Output_reloc::get_address): Likewise.
7386         (Output_section::output_address): Change -1U to -1ULL.
7387         * output.h (Output_reloc::invalid_address): New constant.
7388         * reloc.cc (Sized_relobj::write_sections): Use constant
7389         invalid_address instead of -1U.
7390         (Sized_relobj::relocate_sections): Likewise.
7391         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7392         values for merge sections.
7393         * target-reloc.h (relocate_for_relocatable): Use constant
7394         invalid_address instead of -1U.
7395
7396 2008-09-19  Cary Coutant  <ccoutant@google.com>
7397
7398         Add plugin functionality for link-time optimization (LTO).
7399         * configure.ac (plugins): Add --enable-plugins option.
7400         * configure: Regenerate.
7401         * config.in: Regenerate.
7402         * Makefile.am (LIBDL): New variable.
7403         (CCFILES): Add plugin.cc.
7404         (HFILES): Add plugin.h.
7405         (ldadd_var): Add LIBDL.
7406         * Makefile.in: Regenerate.
7407
7408         * archive.cc: Include "plugin.h".
7409         (Archive::setup): Don't preread archive symbols when using a plugin.
7410         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7411         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7412         files.
7413         (Archive::include_member): Add symbols from plugin objects.
7414         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7415         * descriptors.cc (Descriptors::open): Check for file descriptors
7416         abandoned by plugins.
7417         (Descriptors::claim_for_plugin): New function.
7418         * descriptors.h (Descriptors::claim_for_plugin): New function.
7419         (Open_descriptor::is_claimed): New field.
7420         (claim_descriptor_for_plugin): New function.
7421         * fileread.cc (File_read::claim_for_plugin): New function.
7422         * fileread.h (File_read::claim_for_plugin): New function.
7423         (File_read::descriptor): New function.
7424         * gold.cc: Include "plugin.h".
7425         (queue_initial_tasks): Add task to call plugin hooks for generating
7426         new object files.
7427         * main.cc: Include "plugin.h".
7428         (main): Load plugin libraries.
7429         * object.h (Pluginobj): Declare.
7430         (Object::pluginobj): New function.
7431         (Object::do_pluginobj): New function.
7432         (Object::set_target): New function.
7433         * options.cc: Include "plugin.h".
7434         (General_options::parse_plugin): New function.
7435         (General_options::General_options): Initialize plugins_ field.
7436         (General_options::add_plugin): New function.
7437         * options.h (Plugin_manager): Declare.
7438         (General_options): Add --plugin option.
7439         (General_options::has_plugins): New function.
7440         (General_options::plugins): New function.
7441         (General_options::add_plugin): New function.
7442         (General_options::plugins_): New field.
7443         * plugin.cc: New file.
7444         * plugin.h: New file.
7445         * readsyms.cc: Include "plugin.h".
7446         (Read_symbols::do_read_symbols): Check for archive before checking
7447         for ELF file.  Call plugin hooks to claim files.
7448         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7449         from a real object file; force override when processing replacement
7450         files.
7451         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7452         (Symbol::init_base_object): Likewise.
7453         (Symbol::init_base_output_data): Likewise.
7454         (Symbol::init_base_output_segment): Likewise.
7455         (Symbol::init_base_constant): Likewise.
7456         (Symbol::init_base_undefined): Likewise.
7457         (Symbol::output_section): Assert that object is not a plugin.
7458         (Symbol_table::add_from_pluginobj): New function.
7459         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7460         undefined.
7461         (Symbol_table::sized_write_globals): Likewise.
7462         (Symbol_table::add_from_pluginobj): Instantiate template.
7463         * symtab.h (Sized_pluginobj): Declare.
7464         (Symbol::in_real_elf): New function.
7465         (Symbol::set_in_real_elf): New function.
7466         (Symbol::in_real_elf_): New field.
7467         (Symbol_table::add_from_pluginobj): New function.
7468
7469         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7470         (LIBDL): New variable.
7471         (LDADD): Add LIBDL.
7472         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7473         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7474         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7475         (MOSTLYCLEANFILES): Likewise.
7476         * testsuite/Makefile.in: Regenerate.
7477         * testsuite/plugin_test.c: New file.
7478         * testsuite/plugin_test_1.sh: New file.
7479         * testsuite/plugin_test_2.sh: New file.
7480
7481 2008-09-16  Ian Lance Taylor  <iant@google.com>
7482
7483         * target-reloc.h (relocate_section): Check whether a symbol is
7484         defined by the ABI before reporting an undefined symbol error.
7485         * target.h (Target::is_defined_by_abi): Make parameter const.
7486         (Target::do_is_defined_by_abi): Likewise.
7487         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7488         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7489         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7490         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7491         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7492         * testsuite/Makefile.in: Rebuild.
7493
7494         * fileread.cc (make_view): Add casts to avoid warning.
7495
7496 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7497
7498         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7499         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7500
7501 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7502
7503         * options.h (General_options::output_is_executable): New.
7504         (General_options::output_is_pie): New.
7505         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7506         for shared libraries.
7507         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7508
7509 2008-09-11  Chris Demetriou  <cgd@google.com>
7510
7511         * options.h (origin): New -z option.
7512         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7513         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7514         in DT_FLAGS_1.
7515
7516 2008-09-05  Cary Coutant  <ccoutant@google.com>
7517
7518         * fileread.cc (File_read::make_view): Add check for attempt to map
7519         beyond end of file.
7520
7521 2008-09-05  Cary Coutant  <ccoutant@google.com>
7522
7523         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7524         explicit instantiations.
7525
7526 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7527
7528         PR gold/6858
7529         * options.cc (General_options::finalize): Allow undefined symbols
7530         in shlibs if linking -shared.
7531
7532         PR gold/6859
7533         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7534         symbols as not needing a dynsym entry.
7535
7536 2008-08-20  Craig Silverstein  <csilvers@google.com>
7537
7538         * fileread.cc (File_read::open): Do not lock the file unless it
7539         was successfully opened.
7540
7541 2008-08-14  Cary Coutant  <ccoutant@google.com>
7542
7543         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7544         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7545         * testsuite/tls_test.cc (struct int128): 128-bit struct
7546         for testing TLS relocs with non-zero addend.
7547         (v12): New TLS variable.
7548         (t12): New test.
7549         (t_last): Add check for v12.
7550         * testsuite/tls_test.h (t12): New function.
7551         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7552
7553 2008-08-13  Ian Lance Taylor  <iant@google.com>
7554
7555         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7556         set tls_segment_ or relro_segment_.
7557         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7558         when appropriate.
7559         * output.h (Output_section::clear_is_relro): New function.
7560         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7561         sections specially even when output_data_ is empty.
7562         (Output_segment::maximum_alignment): When first section is relro,
7563         only force alignment for PT_LOAD segments.
7564         * script.cc (script_data_segment_align): New function.
7565         (script_data_segment_relro_end): New function.
7566         * script-c.h (script_data_segment_align): Declare.
7567         (script_data_segment_relro_end): Declare.
7568         * script-sections.h (class Script_sections): Declare
7569         data_segment_align and data_segment_relro_end.  Add fields
7570         segment_align_index_ and saw_relro_end_.
7571         * script-sections.cc (class Sections_element): Add set_is_relro
7572         virtual function.  Add new bool* parameter to place_orphan_here.
7573         Add get_output_section virtual function.
7574         (class Output_section_definition): Add set_is_relro.  Add new
7575         bool* parameter to place_orphan_here.  Add get_output_section.
7576         Add is_relro_ field.
7577         (Output_section_definition::Output_section_definition): Initialize
7578         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7579         and is_relro_ fields.
7580         (Output_section_definition::place_orphan_here): Add is_relro
7581         parameter.
7582         (Output_section_definition::set_section_addresses): Set relro for
7583         output section.
7584         (Output_section_definition::alternate_constraint): Likewise.
7585         (class Orphan_output_section): Add new bool* parameter to
7586         place_orphan_here.  Add get_output_section.
7587         (Orphan_output_section::place_orphan_here): Add is_relro
7588         parameter.
7589         (Script_sections::Script_sections): Initialize
7590         data_segment_align_index_ and saw_relro_end_.
7591         (Script_sections::data_segment_align): New function.
7592         (Script_sections::data_segment_relro_end): New function.
7593         (Script_sections::place_orphan): Set or clear is_relro.
7594         (Script_sections::set_section_addresses): Force alignment of first
7595         TLS section.
7596         * yyscript.y (exp): Call script_data_segment_align and
7597         script_data_segment_relro_end.
7598         * testsuite/relro_script_test.t: New file.
7599         * testsuite/relro_test.cc (using_script): Declare.
7600         (t1, t2): Test using_script.
7601         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7602         (relro_script_test_SOURCES): Define.
7603         (relro_script_test_DEPENDENCIES): Define.
7604         (relro_script_test_LDFLAGS): Define.
7605         (relro_script_test_LDADD): Define.
7606         (relro_script_test.so): New target.
7607         * testsuite/Makefile.in: Rebuild.
7608
7609 2008-08-06  Cary Coutant <ccoutant@google.com>
7610
7611         * archive.cc (Archive::total_archives, Archive::total_members)
7612         (Archive::total_members_loaded): New variables.
7613         (Archive::setup): Add parameter.  Add option to preread
7614         archive symbols.
7615         (Archive::read_armap): Add counter.
7616         (Archive::get_file_and_offset): New function.
7617         (Archive::get_elf_object_for_member): New function.
7618         (Archive::read_all_symbols): New function.
7619         (Archive::read_symbols): New function.
7620         (Archive::add_symbols): Add counters.
7621         (Archive::include_all_members): Use armap to find members if it's
7622         already built.
7623         (Archive::include_member): Skip reading symbols if already read.
7624         Factored code into Archive::get_file_and_offset and
7625         Archive::get_elf_object_for_member.  Changed call to
7626         Mapfile::report_include_archive_member.
7627         (Archive::print_stats): New function.
7628         * archive.h: Declare Object and Read_symbols_data classes.
7629         (Archive::Archive): Add initializers for new members.
7630         (Archive::setup): Add parameter.
7631         (Archive::print_stats): New function.
7632         (Archive::total_archives, Archive::total_members)
7633         (Archive::total_members_loaded): New variables.
7634         (Archive::get_file_and_offset): New function.
7635         (Archive::get_elf_object_for_member): New function.
7636         (Archive::read_all_symbols): New function.
7637         (Archive::read_symbols): New function.
7638         (Archive::Archive_member): New class.
7639         (Archive::members_): New member.
7640         (Archive::num_members_): New member.
7641         * main.cc: Include archive.h.
7642         (main): Call Archive::print_stats.
7643         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7644         archive parameter; member_name is now the fully-decorated name.
7645         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7646         * options.h: (General_options): Add --preread-archive-symbols option.
7647         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7648         Archive::setup.
7649
7650 2008-08-04  Ian Lance Taylor  <iant@google.com>
7651
7652         * symtab.h (Symbol::use_plt_offset): New function.
7653         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7654         * powerpc.cc (Relocate::relocate): Likewise.
7655         * sparc.cc (Relocate::relocate): Likewise.
7656         * x86_64.cc (Relocate::relocate): Likewise.
7657         * testsuite/weak_plt.sh: New test.
7658         * testsuite/weak_plt_main.cc: New test.
7659         * testsuite/weak_plt_shared.cc: New test.
7660         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7661         (check_PROGRAMS): Add weak_plt.
7662         (check_DATA): Add weak_plt_shared.so.
7663         (weak_plt_main_pic.o, weak_plt): New targets.
7664         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7665         * testsuite/Makefile.in: Rebuild.
7666
7667         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7668         gcctestdir/ld.
7669         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7670         * testsuite/Makefile.in: Rebuild.
7671
7672 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7673
7674         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7675         * Makefile.in: Regenerate.
7676         * po/POTFILES.in: Regenerate.
7677
7678 2008-07-29  Ian Lance Taylor  <iant@google.com>
7679
7680         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7681         symbols before other symbols.
7682         * testsuite/script_test_2.cc (test_addr): Declare.
7683         (test_addr_alias): Declare.
7684         (main): Check that test_addr and test_addr_alias have the right
7685         values.
7686         * testsuite/script_test_2.t: Define test_addr_alias and
7687         test_addr.
7688
7689 2008-07-24  Ian Lance Taylor  <iant@google.com>
7690
7691         PR 5990
7692         * descriptors.cc: New file.
7693         * descriptors.h: New file.
7694         * gold-threads.h (class Hold_optional_lock): New class.
7695         * fileread.cc: Include "descriptors.h".
7696         (File_read::~File_read): Release descriptor rather than closing
7697         it.
7698         (File_read::open) [file]: Call open_descriptor rather than open.
7699         Set is_descriptor_opened_.
7700         (File_read::open) [memory]: Assert that descriptor is not open.
7701         (File_read::reopen_descriptor): New function.
7702         (File_read::release): Release descriptor.
7703         (File_read::do_read): Make non-const.  Reopen descriptor.
7704         (File_read::read): Make non-const.
7705         (File_read::make_view): Reopen descriptor.
7706         (File_read::do_readv): Likewise.
7707         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7708         Update declarations.
7709         * layout.cc: Include "descriptors.h".
7710         (Layout::create_build_id): Use open_descriptor rather than open.
7711         * output.cc: Include "descriptors.h".
7712         (Output_file::open): Use open_descriptor rather than open.
7713         * archive.cc (Archive::const_iterator): Change Archive to be
7714         non-const.
7715         (Archive::begin, Archive::end): Make non-const.
7716         (Archive::count_members): Likewise.
7717         * archive.h (class Archive): Update declarations.
7718         * object.h (Object::read): Make non-const.
7719         * Makefile.am (CCFILES): Add descriptors.cc.
7720         (HFILES): Add descriptors.h.
7721         * Makefile.in: Rebuild.
7722
7723         PR 6716
7724         * gold.h: Always include <clocale>.  Add Solaris workarounds
7725         following code in binutils/sysdep.h.
7726
7727         PR 6048
7728         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7729         this->eh_frame_hdr_ is NULL before using it.
7730
7731         * dynobj.cc (Versions::Versions): Update comment.
7732
7733         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7734         the base version name.
7735
7736         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7737         array size plus one.
7738         (Stringpool_template::set_string_offsets): Subtract one from key
7739         before using it as an array index.
7740         (Stringpool_template::get_offset_with_length): Likewise.
7741         (Stringpool_template::write_to_buffer): Likewise.
7742         * stringpool.h (Stringpool_template::get_offset_from_key):
7743         Likewise.
7744
7745 2008-07-23  Ian Lance Taylor  <iant@google.com>
7746
7747         PR 6658
7748         * object.h (Merged_symbol_value::value): Do our best to handle a
7749         negative addend.
7750
7751         PR 6647
7752         * script.cc (Version_script_info::get_versions): Don't add empty
7753         version tag to return value.
7754         (Version_script_info::get_symbol_version_helper): Change return
7755         type to bool.  Add pversion parameter.  Change all callers.
7756         (script_register_vers_node): Don't require a non-NULL tag.
7757         * script.h (class Version_script_info): Update declarations.
7758         (Version_script_info::get_symbol_version): Change return type to
7759         bool.  Add version parameter.  Change all callers.
7760         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7761         handling.  Handle an empty version from a version script.
7762         (Symbol_table::define_special_symbol): Likewise.
7763         * testsuite/ver_test_10.script: New file.
7764         * testsuite/ver_test_10.sh: New file.
7765         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7766         (check_DATA): Add ver_test_10.syms.
7767         (ver_test_10.syms, ver_test_10.so): New target.
7768         * testsuite/Makefile.in: Rebuild.
7769
7770 2008-07-23  Simon Baldwin  <simonb@google.com>
7771
7772         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7773         to zero for undefined symbols from dynamic libraries.
7774
7775 2008-07-23  Ian Lance Taylor  <iant@google.com>
7776
7777         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7778         Change all callers.
7779         * symtab.h (class Symbol_table): Update declaration.
7780         * testsuite/ver_test_9.cc: New file.
7781         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7782         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7783         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7784         (ver_test_9.so, ver_test_9.o): New targets.
7785         * testsuite/Makefile.in: Rebuild.
7786
7787 2008-07-22  Ian Lance Taylor  <iant@google.com>
7788
7789         * options.h (class General_options): Define --check-sections.
7790         * layout.cc (Layout::set_segment_offsets): Handle
7791         --check-sections.
7792
7793         * options.h (class General_options): Define -n/--nmagic and
7794         -N/--omagic.
7795         * options.cc (General_options::finalize): For -n/--nmagic or
7796         -N/--omagic, set -static.
7797         * layout.cc (Layout::attach_allocated_section_to_segment): If
7798         -N/--omagic, don't put read-only and read-write sections in
7799         different segments.
7800         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7801         finding a read-only segment.
7802         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7803         don't set the minimum segment alignment to the common page size,
7804         and don't set the file offset to the address modulo the page size.
7805         * script-sections.cc (Script_sections::create_segments): If
7806         -n/--omagic, don't put read-only and read-write sections in
7807         different segments.
7808
7809         * cref.cc: New file.
7810         * cref.h: New file.
7811         * options.h (class General_options): Add --print-symbol-counts.
7812         * main.cc (main): Issue defined symbol report if requested.
7813         * archive.cc (Archive::interpret_header): Make into a const member
7814         function.
7815         (Archive::add_symbols): Call Input_objects::archive_start and
7816         archive_stop.
7817         (Archive::const_iterator): Define new class.
7818         (Archive::begin, Archive::end): New functions.
7819         (Archive::include_all_members): Rewrite to use iterator.
7820         (Archive::count_members): New function.
7821         * archive.h (class Archive): Update declarations.
7822         (Archive::filename): New function.
7823         * object.cc: Include "cref.h".
7824         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7825         (Sized_relobj::do_get_global_symbol_counts): New function.
7826         (Input_objects::add_object): Add object to cross-referencer.
7827         (Input_objects::archive_start): New function.
7828         (Input_objects::archive_stop): New function.
7829         (Input_objects::print_symbol_counts): New function.
7830         * object.h: Declare Cref and Archive.
7831         (Object::get_global_symbol_counts): New function.
7832         (Object::do_get_global_symbol_counts): New pure virtual function.
7833         (class Sized_relobj): Add defined_count_ field.  Update
7834         declarations.
7835         (class Input_objects): Add cref_ field.  Update constructor.
7836         Update declarations.
7837         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7838         defined_count_.
7839         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7840         symbol counts.
7841         (Sized_dynobj::do_get_global_symbol_counts): New function.
7842         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7843         defined_count_.  Update declarations.  Define Symbols typedef.
7844         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7845         parameter.  Change all callers.
7846         (Symbol_table::add_from_dynobj): Add sympointers and defined
7847         parameters.  Change all callers.
7848         * symtab.h (class Symbol_table): Update declarations.
7849         * Makefile.am (CCFILES): Add cref.cc.
7850         (HFILES): Add cref.h.
7851         * Makefile.in: Rebuild.
7852
7853 2008-07-22  Simon Baldwin  <simonb@google.com>
7854
7855         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7856         to zero when writing undefined symbols.
7857
7858 2008-07-22  Ian Lance Taylor  <iant@google.com>
7859
7860         * output.cc (Output_section::add_input_section): Don't try to
7861         merge empty merge sections.
7862
7863 2008-07-21  Craig Silverstein  <csilvers@google.com>
7864
7865         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7866         Include symbol version in error message.
7867
7868 2008-07-20  Chris Demetriou  <cgd@google.com>
7869
7870         * configure.ac (gold_cv_c_random_seed): New configured variable.
7871         (RANDOM_SEED_CFLAGS): New substituted variable.
7872         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7873         * configure: Rebuild.
7874         * Makefile.in: Likewise.
7875         * testsuite/Makefile.in: Likewise.
7876
7877 2008-07-18  Ian Lance Taylor  <iant@google.com>
7878
7879         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7880         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7881         * testsuite/ver_test_main.cc (main): Call t4.
7882         (t4, t4_2a): Define.
7883         * testsuite/ver_test_2.cc (t4_2): Define.
7884         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7885         * testsuite/ver_test_4.cc (t4_2a): Define.
7886         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7887         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7888
7889 2008-07-17  Ian Lance Taylor  <iant@google.com>
7890
7891         * dynobj.cc (Versions::add_def): If we give an error about a
7892         missing version, go ahead and create the version anyhow.
7893
7894 2008-07-10  Ian Lance Taylor  <iant@google.com>
7895
7896         Handle output sections with more than 0x7fffffff bytes.
7897         * object.h (class Relobj): Change map_to_output_ to
7898         output_sections_, and just keep a section pointer.  Change all
7899         uses.  Move comdat group support to Sized_relobj.
7900         (Relobj::is_section_specially_mapped): Remove.
7901         (Relobj::output_section): Remove poff parameter.  Change all
7902         callers.
7903         (Relobj::output_section_offset): New function.
7904         (Relobj::set_section_offset): Rewrite.
7905         (Relobj::map_to_output): Remove.
7906         (Relobj::output_sections): New function.
7907         (Relobj::do_output_section_offset): New pure virtual function.
7908         (Relobj::do_set_section_offset): Likewise.
7909         (class Sized_relobj): Add section_offsets_ field.  Add comdat
7910         group support from Relobj.  Update declarations.
7911         (Sized_relobj::get_output_section_offset): New function.
7912         (Sized_relobj::do_output_section_offset): New function.
7913         (Sized_relobj::do_set_section_offset): New function.
7914         * object.cc (Relobj::output_section_address): Remove.
7915         (Sized_relobj::Sized_relobj): Initialize new fields.
7916         (Sized_relobj::include_section_group): Cast find_kept_object to
7917         Sized_relobj.
7918         (Sized_relobj::include_linkonce_section): Likewise.
7919         (Sized_relobj::do_layout): Use separate arrays for output section
7920         and output offset.
7921         (Sized_relobj::do_count_local_symbols): Change map_to_output to
7922         output_sections.
7923         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7924         output_sections and section_offsets.
7925         (Sized_relobj::write_local_symbols): Likewise.
7926         (map_to_kept_section): Compute output address directly.
7927         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7928         output_sections and section_offsets.
7929         (Sized_relobj::write_sections): Likewise.
7930         (Sized_relobj::relocate_sections): Likewise.
7931         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7932         * output.h (class Output_reloc): Update declarations.  Change
7933         u2_.relobj to Sized_relobj*.
7934         (class Output_data_reloc): Change add functions to use
7935         Sized_relobj*.
7936         * output.cc (Output_reloc::Output_reloc): Change relobj to
7937         Sized_relobj*.
7938         (Output_reloc::local_section_offset): Change return type to
7939         Elf_Addr.  Use get_output_section_offset.
7940         (Output_reloc::get_address): Likewise.
7941         (Output_section::is_input_address_mapped): Don't call
7942         is_section_specially_mapped.
7943         (Output_section::output_offset): Likewise.
7944         (Output_section::output_address): Likewise.
7945         (Output_section::starting_output_address): Likewise.
7946         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
7947         parameter to Sized_relobj*.
7948         (Copy_relocs::need_copy_reloc): Likewise.
7949         (Copy_relocs::save): Likewise.
7950         * copy-relocs.h (class Copy_relocs): Update declarations.
7951         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
7952         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
7953         * target-reloc.h (relocate_for_relocatable): Change
7954         offset_in_output_section type to Elf_Addr.  Change code that uses
7955         it as well.
7956         * layout.cc (Layout::layout): Always set *off.
7957         * mapfile.cc (Mapfile::print_input_section): Use
7958         output_section_offset.
7959         * i386.cc (Target_i386::copy_reloc): Change object parameter to
7960         Sized_relobj*.
7961         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
7962         * sparc.cc (Target_sparc::copy_reloc): Likewise.
7963         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
7964
7965 2008-07-03  Ian Lance Taylor  <iant@google.com>
7966
7967         * layout.cc (Layout::include_section): Do not discard unrecognized
7968         SHT_STRTAB sections.
7969
7970 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
7971
7972         * script.cc (Lex::can_continue_name): Make '?' allowable in
7973         version-script names.
7974         * testsuite/version_script.map: Change glob pattern to use '?'
7975
7976 2008-06-30  Manish Singh  <yosh@gimp.org>
7977
7978         PR 6585
7979         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
7980         Correct typo.
7981
7982 2008-06-30  Ian Lance Taylor  <iant@google.com>
7983
7984         PR 6660
7985         PR 6682
7986         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
7987         versions]: Don't try to read the value in the contents, since we
7988         don't use it.  Use the template endianness when writing.
7989
7990 2008-06-25  Cary Coutant  <ccoutant@google.com>
7991
7992         * fileread.cc (File_read::make_view): Assert on zero-length view.
7993         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
7994         symbol table when there are no symbols to read.
7995
7996 2008-06-23  Craig Silverstein  <csilvers@google.com>
7997
7998         * version.cc (version_string): Bump to 1.7
7999
8000 2008-06-18  Craig Silverstein  <csilvers@google.com>
8001
8002         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8003         constant 0xFFFF to type Valtype.
8004         (Powerpc_relocate_functions::rel16_ha): Likewise.
8005
8006 2008-06-17  Ian Lance Taylor  <iant@google.com>
8007
8008         * output.h (Output_section::Input_section): Initialize p2align_ to
8009         zero for Output_section_data constructors.
8010         (Output_section::Input_section::addralign): If not an input
8011         section, return the alignment of the Output_section_data.
8012         * testsuite/copy_test.cc: New file.
8013         * testsuite/copy_test_1.cc: New file.
8014         * testsuite/copy_test_2.cc: New file.
8015         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8016         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8017         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8018         (copy_test_1_pic.o, copy_test_1.so): New targets.
8019         (copy_test_2_pic.o, copy_test_2.so): New targets.
8020         * testsuite/Makefile.in: Rebuild.
8021
8022         * script-sections.cc (Script_sections::place_orphan): Initialize
8023         local variable exact.
8024
8025 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8026
8027         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8028
8029 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8030             David S. Miller  <davem@davemloft.net>
8031
8032         * powerpc.cc: New file.
8033         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8034         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8035         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8036         * Makefile.in: Rebuild.
8037
8038 2008-06-09  Ian Lance Taylor  <iant@google.com>
8039
8040         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8041         <exception>.
8042         (throwing, orig_terminate): New static variables.
8043         (terminate_handler): New static function.
8044         (t2): Set terminate handler.
8045
8046 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8047
8048         PR 6584
8049         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8050         alignment.
8051
8052 2008-05-30  Cary Coutant  <ccoutant@google.com>
8053
8054         * archive.cc (Archive::include_all_members) Correct to step
8055         over symbol table and extended name table in thin archives.
8056
8057 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8058
8059         PR 6407
8060         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8061         calculation.
8062
8063 2008-05-28  Caleb Howe  <cshowe@google.com>
8064
8065         * reduced_debug_output.cc: New file.
8066         * reduced_debug_output.h: New file.
8067         * options.h (class General_options): Add --strip-debug-non-line.
8068         * options.cc (General_options::finalize): Add strip_debug_non_line
8069         to the strip heirarchy.
8070         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8071         fields.
8072         * layout.cc: Include "reduced_debug_output.h".
8073         (Layout::Layout): Initialize new fields.
8074         (line_only_debug_sections): New static array.
8075         (is_lines_only_debug_sections): New static inline function.
8076         (Layout::include_section): Handle --strip-debug-non-line.
8077         (Layout::make_output_section): If --strip-debug-non-line, build
8078         new output sections for .debug_abbrev and .debug_info.
8079         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8080         gold.  Warn about possible overflow.
8081         (read_signed_LEB_128): Likewise.
8082         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8083         (read_signed_LEB_128): Declare.
8084         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8085         (HFILES): Add reduced_debug_output.h.
8086         * Makefile.in: Rebuild.
8087
8088 2008-05-21  Ian Lance Taylor  <iant@google.com>
8089
8090         * mapfile.cc: New file.
8091         * mapfile.h: New file.
8092         * options.h (class General_options): Add -M/--print-map and -Map.
8093         * options.cc (General_options::finalize): Make -M equivalent to
8094         -Map -.
8095         * main.cc: Include <cstdio> and "mapfile.h".
8096         (main): Open mapfile if requested.
8097         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8098         constructor.  Change caller.
8099         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8100         (queue_middle_tasks): Likewise.
8101         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8102         declarations.
8103         * archive.cc: Include "mapfile.h".
8104         (Archive::add_symbols): Add mapfile parameter.  Change all
8105         callers.  Pass mapfile, symbol, and reason to include_member.
8106         (Archive::include_all_members): Add mapfile parameter.  Change all
8107         callers.
8108         (Archive::include_member): Add mapfile, sym, and why parameters.
8109         Change all callers.  Report inclusion to map file.
8110         * archive.h: Include "fileread.h".
8111         (class Archive): Update declarations.
8112         (Archive::file): New const method.
8113         (class Add_archive_symbols): Add mapfile_ field.  Update
8114         constructor.  Change all callers.
8115         * readsyms.h (class Read_symbols): Likewise.
8116         (class Finish_group): Likewise.
8117         (class Read_script): Likewise.
8118         * common.cc: Include "mapfile.h".
8119         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8120         all callers.
8121         (Symbol_table::do_allocate_commons): Likewise.
8122         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8123         symbol allocation to mapfile.
8124         * common.h (class Allocate_commons_task): Add mapfile_ field.
8125         Update constructor.  Change all callers.
8126         * symtab.h (class Symbol_table): Update declarations.
8127         * layout.cc: Include "mapfile.h".
8128         (Layout_task_runner::run): Print information to mapfile.
8129         (Layout::create_gold_note): Change Output_data_fixed_space to
8130         Output_data_zero_fill.
8131         (Layout::create_build_id): Likewise.
8132         (Layout::print_to_mapfile): New function.
8133         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8134         constructor.  Change caller.
8135         (class Layout): Declare print_to_mapfile.
8136         * output.cc (Output_section::Input_section::print_to_mapfile): New
8137         function.
8138         (Output_section::add_input_section): If producing a map, always
8139         add to input_sections_ list.
8140         (Output_section::do_print_to_mapfile): New function.
8141         (Output_segment::print_sections_to_mapfile): New function.
8142         (Output_segment::print_section_list_to_mapfile): New function.
8143         * output.h: Include "mapfile.h".
8144         (Output_data::print_to_mapfile): New function.
8145         (Output_data::do_print_to_mapfile): New virtual function.
8146         (Output_segment_headers::do_print_to_mapfile): New function.
8147         (Output_file_header::do_print_to_mapfile): New function.
8148         (Output_data_const::do_print_to_mapfile): New function.
8149         (class Output_data_const_buffer): Add map_name_ field.  Update
8150         constructor.  Change all callers.  Add do_print_to_mapfile
8151         function.
8152         (class Output_data_fixed_space): Likewise.
8153         (class Output_data_space): Likewise.
8154         (class Output_data_zero_fill): New class.
8155         (Output_data_strtab::do_print_to_mapfile): New function.
8156         (Output_data_reloc_base::do_print_to_mapfile): New function.
8157         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8158         (Output_data_group::do_print_to_mapfile): New function.
8159         (Output_data_got::do_print_to_mapfile): New function.
8160         (Output_data_dynamic::do_print_to_mapfile): New function.
8161         (Output_symtab_xindex::do_print_to_mapfile): New function.
8162         (class Output_section): Declare do_print_to_mapflie.  Declare
8163         print_to_mapfile in Input_section.
8164         (class Output_segment): Declare new functions.
8165         * object.h (Sized_relobj::symbol_count): New function.
8166         * script-sections.cc
8167         (Output_section_element_dot_assignment::set_section_addresses):
8168         Change Output_data_fixed_space to Output_data_zero_fill.
8169         (Output_data_expression::do_print_to_mapfile): New function.
8170         * script.cc (read_input_script): Add mapfile parameter.  Change
8171         all callers.
8172         * script.h (read_input_script): Update declaration.
8173         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8174         (Eh_frame::do_print_to_mapfile): New function.
8175         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8176         (Output_merge_string::do_print_to_mapfile): New function.
8177         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8178         function.
8179         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8180         function.
8181         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8182         function.
8183         * Makefile.am (CCFILES): Add mapfile.cc.
8184         (HFILES): Add mapfile.h.
8185         * Makefile.in: Rebuild.
8186
8187 2008-05-19  Ian Lance Taylor  <iant@google.com>
8188
8189         * options.h (class General_options): Add -z relro.
8190         * layout.cc (Layout::Layout): Initialize relro_segment_.
8191         (Layout::add_output_section_data): Return the output section.
8192         (Layout::make_output_section): Rcognize relro sections and mark
8193         them appropriately.
8194         (Layout::attach_allocated_section_to_segment): Put relro sections
8195         in a PT_GNU_RELRO segment.
8196         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8197         section as relro.
8198         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8199         PT_TLS segments.
8200         (Layout::linkonce_mapping): Map d.rel.ro.local to
8201         .data.rel.ro.local.
8202         (Layout::output_section_name): Us .data.rel.ro.local for any
8203         section which begins with that.
8204         * layout.h (class Layout): Update add_output_section_data
8205         declaration.  Add relro_segment_ field.
8206         * output.cc (Output_section::Output_section): Initialize is_relro_
8207         and is_relro_local_ fields.
8208         (Output_segment::add_output_section): Group relro sections.
8209         (Output_segment::is_first_section_relro): New function.
8210         (Output_segment::maximum_alignment): If there is a relro section,
8211         align the segment to the common page size.
8212         (Output_segment::set_section_addresses): Track whether we are
8213         looking at relro sections.  If the last section is a relro
8214         section, align to the common page size.
8215         (Output_segment::set_section_list_addresses): Add in_relro
8216         parameter.  Change all callers.  Align to the page size when
8217         moving from relro to non-relro section.
8218         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8219         segment.
8220         * output.h (class Output_section): Add is_relro_ and
8221         is_relro_local_ fields.
8222         (Output_section::is_relro): New function.
8223         (Output_section::set_is_relro): New function.
8224         (Output_section::is_relro_local): New function.
8225         (Output_section::set_is_relro_local): New function.
8226         (class Output_segment): Update declarations.
8227         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8228         * sparc.cc (Target_sparc::got_section): Likewise.
8229         * x86_64.cc (Target_x86_64::got_section): Likewise.
8230         * testsuite/relro_test_main.cc: New file.
8231         * testsuite/relro_test.cc: New file.
8232         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8233         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8234         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8235         (relro_test.so, relro_test_pic.o): New targets.
8236         * testsuite/Makefile.in: Rebuild.
8237
8238 2008-05-16  Ian Lance Taylor  <iant@google.com>
8239
8240         * output.cc (Output_segment::add_output_section): Remove front
8241         parameter.
8242         * output.h (class Output_segment): Remove
8243         add_initial_output_section and overloaded add_output_section.
8244         Update declaration of remaining add_output_section.
8245         * layout.cc (Layout::create_interp): Call add_output_section
8246         rather than add_initial_output_section.
8247         (Layout::finish_dynamic_section): Likewise.
8248
8249         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8250         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8251         know the dynamic type.
8252         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8253         field.  Initialize it in constructor.
8254         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8255         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8256         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8257         reloc.
8258
8259         * output.cc (Output_reloc::get_address): Change return type to
8260         Elf_Addr.
8261         * output.h (class Output_reloc): Update get_address declaration.
8262         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8263         for section addresses.
8264
8265 2008-05-09  Ian Lance Taylor  <iant@google.com>
8266
8267         PR 6493
8268         * gold.cc (gold_nomem): Use return value of write.
8269
8270 2008-05-08  Ian Lance Taylor  <iant@google.com>
8271
8272         * symtab.c (Symbol::init_base_output_data): Add version
8273         parameter.  Change all callers.
8274         (Symbol::init_base_output_segment): Likewise.
8275         (Symbol::init_base_constant): Likewise.
8276         (Symbol::init_base_undefined): Likewise.
8277         (Sized_symbol::init_output_data): Likewise.
8278         (Sized_symbol::init_output_segment): Likewise.
8279         (Sized_symbol::init_constant): Likewise.
8280         (Sized_symbol::init_undefined): Likewise.
8281         (Symbol_table::do_define_in_output_data): If the new symbol has a
8282         version, mark it as the default.
8283         (Symbol_table::do_define_in_output_segment): Likewise.
8284         (Symbol_table::do_define_as_constant): Likewise.
8285         * symtab.h (class Symbol): Update declarations.
8286         (class Sized_symbol): Likewise.
8287         * resolve.cc (Symbol::override_version): New function.
8288         (Symbol::override_base): Call override_version.
8289         (Symbol::override_base_with_special): Likewise.
8290         * testsuite/ver_script_8.script: New file.
8291         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8292         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8293         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8294         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8295
8296 2008-05-06  Ian Lance Taylor  <iant@google.com>
8297
8298         PR 6049
8299         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8300         functions.
8301         (class General_options): Remove existing --undefined, and add
8302         --no-undefined instead.  Add new --undefined as synonym for -u.
8303         * archive.cc (Archive::add_symbols): Check whether symbol was
8304         named with -u.
8305         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8306         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8307         all uses.  Add IS_UNDEFINED.  Update declarations to split
8308         different versions of init_base.  Declare init_base_undefined.
8309         (Symbol::is_defined): Handle IS_UNDEFINED.
8310         (Symbol::is_undefined): Likewise.
8311         (Symbol::is_weak_undefined): Call is_undefined.
8312         (Symbol::is_absolute): Handle IS_CONSTANT.
8313         (class Sized_symbol): Update declarations to split different
8314         versions of init.  Declare init_undefined.
8315         (class Symbol_table): Declare new functions.
8316         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8317         Change all callers.
8318         (Symbol::init_base_output_data): Likewise.
8319         (Symbol::init_base_output_segment): Likewise.
8320         (Symbol::init_base_constant): Likewise.
8321         (Symbol::init_base_undefined): New function.
8322         (Sized_symbol::init_object): Rename from init.  Change all
8323         callers.
8324         (Sized_symbol::init_output_data): Likewise.
8325         (Sized_symbol::init_output_segment): Likewise.
8326         (Sized_symbol::init_constant): Likewise.
8327         (Sized_symbol::init_undefined): New function.
8328         (Symbol_table::add_undefined_symbols_from_command_line): New
8329         function.
8330         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8331         function.
8332         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8333         (Symbol::output_section): Likewise.
8334         (Symbol::set_output_section): Likewise.
8335         (Symbol_table::sized_finalize_symbol): Likewise.
8336         (Symbol_table::sized_write_globals): Likewise.
8337         * resolve.cc (Symbol_table::should_override): Likewise.
8338         (Symbol::override_base_with_special): Likewise.
8339
8340         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8341         symbol, change it to have default visibility.
8342         * testsuite/protected_1.cc: New file.
8343         * testsuite/protected_2.cc: New file.
8344         * testsuite/protected_3.cc: New file.
8345         * testsuite/protected_main_1.cc: New file.
8346         * testsuite/protected_main_2.cc: New file.
8347         * testsuite/protected_main_3.cc: New file.
8348         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8349         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8350         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8351         (protected_1.so): New target.
8352         (protected_1_pic.o, protected_2_pic.o): New targets.
8353         (protected_3_pic.o): New target.
8354         (check_PROGRAMS): Add protected_2.
8355         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8356         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8357         * testsuite/Makefile.in: Rebuild.
8358
8359         * options.h (DEFINE_var): Add set_user_set_##varname__.
8360         (DEFINE_bool_alias): New macro.
8361         (class General_options): Define -Bstatic using DEFINE_bool_alias
8362         rather than DEFINE_special.  Add --undefined as an alias for -z
8363         defs.
8364         * options.cc (General_options::parse_Bstatic): Remove.
8365
8366         * options.h (class General_options): Add --fatal-warnings.
8367         * main.cc (main): Implement --fatal-warnings.
8368         * errors.h (Errors::warning_count): New function.
8369
8370         * options.h (class General_options): Add -Bsymbolic-functions.
8371         * symtab.h (Symbol::is_preemptible): Check for
8372         -Bsymbolic-functions.
8373
8374 2008-05-05  Ian Lance Taylor  <iant@google.com>
8375
8376         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8377         as noVARNAME rather than no-VARNAME.
8378         (class General_options): Add option -z combreloc.
8379         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8380         get_address.
8381         (Output_reloc::sort_before) [SHT_REL]: New function.
8382         (Output_reloc::sort_before) [SHT_RELA]: New function.
8383         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8384         Sort_relocs_comparison.
8385         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8386         parameter.  Change all callers.
8387         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8388         sort_relocs parameter.  Change all callers.
8389         * output.cc (Output_reloc::get_address): New function, broken out
8390         of write_rel.
8391         (Output_reloc::write_rel): Call it.
8392         (Output_reloc::compare): New function.
8393         (Output_data_reloc_base::do_write): Optionally sort relocs.
8394
8395         * configure.ac: If targ_extra_obj is set, link it in.
8396         * configure.tgt: Initialize all variables.
8397         (x86_64*): Set targ_extra_obj and targ_extra_size.
8398         * configure: Rebuild.
8399
8400         * object.cc (Sized_relobj::include_section_group): Adjust section
8401         indexes read from group data.  Build vector to pass to
8402         layout_group.
8403         * layout.cc (Layout::layout_group): Add flags and shndxes
8404         parameters.  Remove contents parameter.  Change caller.  Update
8405         explicit instantiations.
8406         * layout.h (class Layout): Update layout_group declaration.
8407         * output.cc (Output_data_group::Output_data_group): Add flags and
8408         input_shndxes parameters.  Remove contents parameter.  Change
8409         caller.
8410         (Output_data_group::do_write): Change input_sections_ to
8411         input_shndxes_.
8412         * output.h (class Output_data_group): Update constructor
8413         declaration.  Rename input_sections_ to input_shndxes_.
8414         * testsuite/many_sections_test.cc: Add template.
8415
8416 2008-04-30  Cary Coutant  <ccoutant@google.com>
8417
8418         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8419
8420         * layout.cc (Layout::include_section): Refactored check for debug
8421         info section.
8422         (Layout::add_comdat): Add new parameters.  Change type
8423         of signature parameter.  Add object and shndx to signatures table.
8424         (Layout::find_kept_object): New function.
8425         * layout.h: Include <cstring>.
8426         (Layout::is_debug_info_section): New function.
8427         (Layout::add_comdat): Add new parameters.
8428         (Layout::find_kept_object): New function.
8429         (Layout::Kept_section): New struct.
8430         (Layout::Signatures): Change type of map range.
8431         * object.cc (Relobj::output_section_address): New function.
8432         (Sized_relobj::include_section_group): Add new parameters.  Change
8433         calls to Layout::add_comdat.  Change to build table of kept comdat
8434         groups and table mapping discarded sections to kept sections.
8435         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8436         (Sized_relobj::do_layout): Change calls to include_section_group and
8437         include_linkonce_section.
8438         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8439         value to zero when section is discarded.
8440         (Sized_relobj::map_to_kept_section): New function.
8441         * object.h (Relobj::output_section_address): New function.
8442         (Relobj::Comdat_group): New type.
8443         (Relobj::find_comdat_group): New function.
8444         (Relobj::Comdat_group_table): New type.
8445         (Relobj::Kept_comdat_section): New type.
8446         (Relobj::Kept_comdat_section_table): New type.
8447         (Relobj::add_comdat_group): New function.
8448         (Relobj::set_kept_comdat_section): New function.
8449         (Relobj::get_kept_comdat_section): New function.
8450         (Relobj::comdat_groups_): New field.
8451         (Relobj::kept_comdat_sections_): New field.
8452         (Symbol_value::input_value): Update comment.
8453         (Sized_relobj::map_to_kept_section) New function.
8454         (Sized_relobj::include_linkonce_section): Add new parameter.
8455         * target-reloc.h (Comdat_behavior): New type.
8456         (get_comdat_behavior): New function.
8457         (relocate_section): Add code to map a discarded section to the
8458         corresponding kept section when applying a relocation.
8459
8460 2008-04-30  Craig Silverstein  <csilvers@google.com>
8461
8462         * dwarf_reader.cc (next_generation_count): New static var.
8463         (Addr2line_cache_entry): New struct.
8464         (addr2line_cache): New static var.
8465         (Dwarf_line_info::one_addr2line): Added caching.
8466         (Dwarf_line_info::clear_addr2line_cache): New function.
8467         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8468         cache-size parameter.
8469         (Dwarf_line_info::one_addr2line_cache): New function.
8470         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8471         new cache-size argument to one_addr2line(), and clear cache.
8472
8473 2008-04-28  Cary Coutant  <ccoutant@google.com>
8474
8475         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8476         R_386_PC8 relocations.
8477
8478 2008-04-23  Ian Lance Taylor  <iant@google.com>
8479
8480         * object.cc (Sized_relobj::include_section_group): Check for
8481         invalid section group.
8482
8483         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8484         header size.
8485
8486         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8487         than read for file header.
8488         * archive.cc (Archive::include_member): Likewise.
8489
8490 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8491
8492         * aclocal.m4: Regenerate.
8493         * configure: Regenerate.
8494
8495 2008-04-19  Ian Lance Taylor  <iant@google.com>
8496
8497         * version.cc (version_string): Bump to 1.6.
8498
8499         * testsuite/Makefile.am (many_sections_r_test): New target.
8500         (many_sections_r_test_SOURCES): Remove.
8501         (many_sections_r_test_DEPENDENCIES): Remove.
8502         (many_sections_r_test_LDFLAGS): Remove.
8503         (many_sections_r_test_LDADD): Remove.
8504
8505         * object.cc (Sized_relobj::do_add_symbols): Always pass
8506         local_symbol_count_ to add_from_relobj.
8507
8508         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8509         every thousand variables.
8510         * testsuite/Makefile.in: Rebuild.
8511
8512         * object.cc (Xindex::initialize_symtab_xindex): New function.
8513         (Xindex::read_symtab_xindex): New function.
8514         (Xindex::sym_xindex_to_shndx): New function.
8515         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8516         available.
8517         (Sized_relobj::do_initialize_xindex): New function.
8518         (Sized_relobj::do_read_symbols): Adjust section links.
8519         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8520         parameter.  Change all callers.
8521         (Sized_relobj::include_section_group): Adjust section links and
8522         symbol section indexes.
8523         (Sized_relobj::do_layout): Adjust section links.
8524         (Sized_relobj::do_count_local_symbols): Adjust section links and
8525         symbol section indexes.
8526         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8527         ordinary and special symbols.
8528         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8529         dynsym_xindex parameters.  Change all callers.  Adjust section
8530         links.  Use SHN_XINDEX when needed.
8531         (Sized_relobj::get_symbol_location_info): Adjust section links.
8532         Don't get fooled by special symbols.
8533         * object.h (class Xindex): Define.
8534         (class Object): Add xindex_ parameter.  Declare virtual functoin
8535         do_initialize_xindex.
8536         (Object::adjust_sym_shndx): New function.
8537         (Object::set_xindex): New protected function.
8538         (class Symbol_value): Add is_ordinary_shndx_ field.
8539         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8540         (Symbol_value::value): Assert ordinary section.
8541         (Symbol_value::initialize_input_to_output_map): Likewise.
8542         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8543         Change all callers.
8544         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8545         all callers.
8546         (class Sized_relobj): Update declarations.
8547         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8548         parameter.  Change all callers.
8549         (Sized_relobj::adjust_shndx): New function.
8550         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8551         field.
8552         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8553         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8554         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8555         (Sized_dynobj::read_dynsym_section): Adjust section links.
8556         (Sized_dynobj::read_dynamic): Likewise.
8557         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8558         section links.
8559         (Sized_dynobj::do_initialize_xindex): New function.
8560         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8561         do_initialize_xindex.
8562         (Sized_dynobj::adjust_shndx): New function.
8563         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8564         dynsym_xindex_ fields.
8565         (Layout::finalize): Add a call to set_section_indexes before
8566         creating the symtab sections.
8567         (Layout::set_section_indexes): Don't do anything if the section
8568         already has a section index.
8569         (Layout::create_symtab_sections): Add shnum parameter.  Change
8570         caller.  Create .symtab_shndx section if needed.
8571         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8572         caller.
8573         (Layout::allocated_output_section_count): New function.
8574         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8575         needed.
8576         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8577         fields.  Update declarations.
8578         (Layout::symtab_xindex): New function.
8579         (Layout::dynsym_xindex): New function.
8580         (class Write_symbols_task): Add layout_ field.
8581         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8582         Change caller.
8583         * output.cc (Output_section_headers::Output_section_headers): Add
8584         shstrtab_section parameter.  Change all callers.
8585         (Output_section_headers::do_sized_write): Store overflow values
8586         for section count and section string table section index in
8587         section header zero.
8588         (Output_file_header::do_sized_write): Check for overflow of
8589         section count and section string table section index.
8590         (Output_symtab_xindex::do_write): New function.
8591         (Output_symtab_xindex::endian_do_write): New function.
8592         * output.h (class Output_section_headers): Add shstrtab_section_.
8593         Update declarations.
8594         (class Output_symtab_xindex): Define.
8595         (Output_section::has_out_shndx): New function.
8596         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8597         field.
8598         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8599         Change all callers.
8600         (Sized_symbol::init): Likewise.
8601         (Symbol::output_section): Check for ordinary symbol.
8602         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8603         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8604         callers.
8605         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8606         Change all callers.  Simplify handling of symbols from sections
8607         not included in the link.
8608         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8609         distinction.
8610         (Weak_alias_sorter::operator()): Assert that symbols are
8611         ordinary.
8612         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8613         distinction.
8614         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8615         parameters.  Change all callers.
8616         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8617         symbol distinction.  Use SHN_XINDEX when needed.
8618         (Symbol_table::write_section_symbol): Add symtab_xindex
8619         parameter.  Change all callers.
8620         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8621         SHN_XINDEX when needed.
8622         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8623         declarations.
8624         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8625         (Symbol::is_defined): Check is_ordinary.
8626         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8627         (Symbol::is_absolute, Symbol::is_common): Likewise.
8628         (class Sized_symbol): Update declarations.
8629         (class Symbol_table): Update declarations.
8630         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8631         parameters.  Change all callers.
8632         (Sized_symbol::override): Likewise.
8633         (Symbol_table::override): Likewise.
8634         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8635         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8636         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8637         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8638         to be in an ordinary section.
8639         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8640         object and is_ordinary parameters.  Change all callers.
8641         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8642         Change all callers.  Don't add undefined or non-ordinary symbols
8643         to reloc_map_.
8644         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8645         Change all callers.
8646         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8647         declarations.
8648         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8649         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8650         (Sized_relobj::relocate_sections): Likewise.
8651         * target-reloc.h (scan_relocs): Adjust section symbol index.
8652         (scan_relocatable_relocs): Likewise.
8653         * i386.cc (Scan::local): Check for ordinary symbols.
8654         * sparc.cc (Scan::local): Likewise.
8655         * x86_64.cc (Scan::local): Likewise.
8656         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8657         to symbol_section_and_value.
8658         * testsuite/many_sections_test.cc: New file.
8659         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8660         (check_PROGRAMS): Add many_sections_test.
8661         (many_sections_test_SOURCES): Define.
8662         (many_sections_test_DEPENDENCIES): Define.
8663         (many_sections_test_LDFLAGS): Define.
8664         (BUILT_SOURCES): Add many_sections_define.h.
8665         (many_sections_define.h): New target.
8666         (BUILT_SOURCES): Add many_sections_check.h.
8667         (many_sections_check.h): New target.
8668         (check_PROGRAMS): Add many_sections_r_test.
8669         (many_sections_r_test_SOURCES): Define.
8670         (many_sections_r_test_DEPENDENCIES): Define.
8671         (many_sections_r_test_LDFLAGS): Define.
8672         (many_sections_r_test_LDADD): Define.
8673         (many_sections_r_test.o): New target.
8674         * testsuite/Makefile.in: Rebuild.
8675
8676 2008-04-17  Cary Coutant  <ccoutant@google.com>
8677
8678         * errors.cc (Errors::info): New function.
8679         (gold_info): New function.
8680         * errors.h (Errors::info): New function.
8681         * gold.h (gold_info): New function.
8682         * object.cc (Input_objects::add_object): Print trace output.
8683         * options.cc (options::parse_set): New function.
8684         (General_options::parse_wrap): Deleted.
8685         (General_options::General_options): Deleted initializer.
8686         * options.h (options::String_set): New typedef.
8687         (options::parse_set): New function.
8688         (DEFINE_set): New macro.
8689         (General_options::wrap): Changed to use DEFINE_set. Changed
8690         callers of any_wrap_symbols and is_wrap_symbol.
8691         (General_options::trace, General_options::trace_symbol):
8692         New options.
8693         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8694         (General_options::wrap_symbols_): Deleted.
8695         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8696
8697 2008-04-17  David S. Miller  <davem@davemloft.net>
8698
8699         * options.cc (General_options::parse_V): New function.
8700         * options.h: Add entries for -V and -Qy.
8701
8702 2008-04-17  Ian Lance Taylor  <iant@google.com>
8703
8704         * common.cc (Symbol_table::allocate_commons): Remove options
8705         parameter.  Change caller.
8706         (Symbol_table::do_allocate_commons): Remove options parameter.
8707         Change caller.  Just call do_allocate_commons_list twice.
8708         (Symbol_table::do_allocate_commons_list): New function, broken out
8709         of do_allocate_commons.
8710         * common.h (class Allocate_commons_task): Remove options_ field.
8711         Update constructor.
8712         * symtab.cc (Symbol_table::Symbol_table): Initialize
8713         tls_commons_.
8714         (Symbol_table::add_from_object): Put TLS common symbols on
8715         tls_commons_ list.
8716         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8717         which are IN_OUTPUT_DATA.
8718         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8719         allocate_commons and do_allocate_commons declarations.  Declare
8720         do_allocate_commons_list.
8721         * gold.cc (queue_middle_tasks): Update creation of
8722         Allocate_commons_task to not pass options.
8723         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8724         (TLS_TEST_C_FLAGS): New variable.
8725         (tls_test_c_pic.o): New target.
8726         (tls_test_shared.so): Link in tls_test_c_pic.o.
8727         (tls_test_c_pic_ie.o): New target.
8728         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8729         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8730         (tls_test_c.o): New target.
8731         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8732         (tls_pic_test_LDADD): Likewise.
8733         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8734         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8735         (tls_test_c_gnu2.o): New target.
8736         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8737         tls_test_c_gnu2.o.
8738         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8739         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8740         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8741         * testsuite/tls_test.cc: Include "config.h".
8742         (t_last): Call t11_last.
8743         * testsuite/tls_test.h (t11, t11_last): Declare.
8744         * testsuite/tls_test_c.c: New file.
8745         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8746         * configure.ac: Check for OpenMP support.
8747         * configure, config.in, Makefile.in: Rebuild.
8748         * testsuite/Makefile.in: Rebuild.
8749
8750 2008-04-16  Cary Coutant  <ccoutant@google.com>
8751
8752         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8753         (Target_i386::tls_base_symbol_defined_): New field.
8754         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8755         (Target_i386::Scan::global): Likewise.
8756         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8757         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8758         (Target_x86_64::tls_base_symbol_defined_): New field.
8759         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8760         (Target_x86_64::Scan::global): Likewise.
8761
8762 2008-04-16  Cary Coutant  <ccoutant@google.com>
8763
8764         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8765         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8766         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8767         building shared libraries.
8768         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8769         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8770         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8771         * testsuite/Makefile.in: Rebuild.
8772         * testsuite/weak_undef.h: New file.
8773         * testsuite/weak_undef_file1.cc: Add extra test cases.
8774         * testsuite/weak_undef_file2.cc: Likewise.
8775         * testsuite/weak_undef_test.cc: Likewise.
8776
8777 2008-04-16  David S. Miller  <davem@davemloft.net>
8778
8779         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8780         Add issued_non_pic_error_ field.  Declare check_non_pic.
8781         (Target_sparc::Scan::check_non_pic): New function.
8782         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8783         (Target_sparc::Scan::global): Likewise.
8784
8785         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8786         * configure: Rebuild.
8787
8788         * options.h (DEFINE_enable): New macro.
8789         (new_dtags): New enable option.
8790         (initfirst, interpose, loadfltr, nodefaultlib,
8791         nodelete, nodlopen, nodump): New -z options.
8792         * layout.cc (Layout:finish_dynamic_section): If new
8793         dtags enabled, emit DT_RUNPATH.  Also, emit a
8794         DT_FLAGS_1 containing any specified -z flags.
8795
8796 2008-04-16  Ian Lance Taylor  <iant@google.com>
8797
8798         * copy-relocs.cc: New file.
8799         * copy-relocs.h: New file.
8800         * reloc.cc: Remove Copy_relocs code.
8801         * reloc.h: Likewise.
8802         * reloc-types.h (struct Reloc_types) [both versions]: Add
8803         get_reloc_addend_noerror.
8804         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8805         variants of add_global which take an addend which must be zero.
8806         * i386.cc: Include "copy-relocs.h".
8807         (class Target_i386): Change type of copy_relocs_ to variable,
8808         update initializer.
8809         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8810         Change all callers.
8811         (Target_i386::do_finalize_sections): Change handling of
8812         copy_relocs_.
8813         * sparc.cc: Include "copy-relocs.h".
8814         (class Target_sparc): Change type of copy_relocs_ to variable,
8815         update initializer.
8816         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8817         Change all callers.
8818         (Target_sparc::do_finalize_sections): Change handling of
8819         copy_relocs_.
8820         * x86_64.cc: Include "copy-relocs.h".
8821         (class Target_x86_64): Change type of copy_relocs_ to variable,
8822         update initializer.
8823         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8824         class.  Change all callers.
8825         (Target_x86_64::do_finalize_sections): Change handling of
8826         copy_relocs_.
8827         * Makefile.am (CCFILES): Add copy-relocs.cc.
8828         (HFILES): Add copy-relocs.h.
8829
8830         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8831
8832         * testsuite/script_test_4.sh: Permit leading zeroes.
8833
8834 2008-04-15  Ian Lance Taylor  <iant@google.com>
8835
8836         * script-sections.cc (Script_sections::create_segments): Use
8837         header_size_adjustment even when there is enough room for the
8838         headers.
8839         * testsuite/script_test_4.sh: New file.
8840         * testsuite/script_test_4.t: New file.
8841         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8842         (check_DATA): Add script_test_4.stdout.
8843         (MOSTLYCLEANFILES): Likewise.
8844         (script_test_4): New target.
8845         (script_test_4.stdout): New target.
8846         * testsuite/Makefile.in: Rebuild.
8847
8848         * sparc.cc: Add definitions for Output_data_plt_sparc class
8849         constants.
8850
8851 2008-04-14  David S. Miller  <davem@davemloft.net>
8852
8853         * sparc.cc: New file.
8854         * Makefile.am (TARGETSOURCES): Add sparc.cc
8855         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8856         * configure.tgt: Document targ_extra_size and
8857         targ_extra_big_endian.  Add entries for sparc-* and
8858         sparc64-*.
8859         * configure.ac: Handle targ_extra_size and
8860         targ_extra_big_endian.
8861         * Makefile.in: Rebuild.
8862         * configure: Likewise.
8863         * po/POTFILES.in: Likewise.
8864         * po/gold.pot: Likewise.
8865
8866 2008-04-14  Ian Lance Taylor  <iant@google.com>
8867
8868         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8869         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8870         in the name/type/flags to section mapping.  Don't call
8871         allocate_output_section.
8872         (Layout::choose_output_section): Change parameter from adjust_name
8873         to is_input_section.  Don't permit input sections after sections
8874         are attached to segments.  Don't call allocate_output_section.
8875         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8876         not write_enable_output_section.
8877         (Layout::make_output_section): Don't push to
8878         unattached_section_list_ nor call attach_to_segment.  Call
8879         attach_section_to_segment if sections are attached.
8880         (Layout::attach_sections_to_segments): New function.
8881         (Layout::attach_section_to_segment): New function.
8882         (Layout::attach_allocated_section_to_segment): Rename from
8883         attach_to_segment.  Remove flags parameter.
8884         (Layout::allocate_output_section): Remove function.
8885         (Layout::write_enable_output_section): Remove function.
8886         * layout.h (class Layout): Update for above changes.  Add new
8887         field sections_are_attached_.
8888         * output.h (Output_section::update_flags_for_input_section): New
8889         function.
8890         * output.cc (Output_section::add_input_section): Call
8891         update_flags_for_input_section.
8892         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8893
8894 2008-04-11  Cary Coutant  <ccoutant@google.com>
8895
8896         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8897         thought unnecessary.
8898         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8899
8900 2008-04-11  Ian Lance Taylor  <iant@google.com>
8901
8902         * output.h (class Output_section_data): Remove inline definition
8903         of set_addralign.
8904         * output.cc (Output_section_data::set_addralign): New function.
8905
8906 2008-04-11  Cary Coutant  <ccoutant@google.com>
8907
8908         Add support for TLS descriptors for i386 and x86_64.
8909         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8910         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8911         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8912         GOT_TYPE_TLS_DESC.
8913         (Target_i386::got_mod_index_entry): Remove unnecessary code.
8914         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8915         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
8916         relocations.
8917         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8918         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8919         Fix problem with initial-exec relocations.
8920         (Target_i386::Relocate::relocate_tls): Likewise.
8921         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8922         relaxation.
8923         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8924         support for section-plus-offset dynamic table entries.
8925         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8926         (Output_data_dynamic::Dynamic_entry): Add support for
8927         section-plus-offset dynamic table entries.
8928         (Output_data_dynamic::Classification): Likewise.
8929         (Output_data_dynamic::classification_): Renamed offset_.
8930         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8931         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8932         (Target_x86_64::make_plt_section): New function.
8933         (Target_x86_64::reserve_tlsdesc_entries): New function.
8934         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8935         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8936         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8937         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8938         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8939         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8940         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8941         add extra PLT entry for TLS descriptors.
8942         (Output_data_plt_x86_64::got_): New field.
8943         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8944         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
8945         fields.
8946         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
8947         descriptors.
8948         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
8949         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
8950         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
8951         R_386_TLS_DESC_CALL relocations.
8952         (Target_x86_64::Scan::global): Likewise.
8953         (Target_x86_64::do_finalize_sections): Add dynamic table entries
8954         for TLS descriptors.
8955         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
8956         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
8957         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
8958         GD-to-IE relaxation.
8959         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
8960         and TLS_DESCRIPTORS.
8961         * Makefile.in: Rebuild.
8962         * configure: Rebuild.
8963         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
8964         (tls_test_shared2.so): New target.
8965         (tls_shared_gd_to_ie_test_SOURCES): New variable.
8966         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
8967         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
8968         (tls_shared_gd_to_ie_test_LDADD): New variable.
8969         (tls_shared_gnu2_gd_to_ie_test): New target.
8970         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
8971         New targets.
8972         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
8973         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
8974         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
8975         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
8976         (tls_shared_gnu2_test): New target.
8977         (tls_test_gnu2_shared.so): New target.
8978         (tls_shared_gnu2_test_SOURCES): New variable.
8979         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
8980         (tls_shared_gnu2_test_LDFLAGS): New variable.
8981         (tls_shared_gnu2_test_LDADD): New variable.
8982         * testsuite/Makefile.in: Rebuild.
8983         * testsuite/Makefile.
8984
8985 2008-04-11  Ian Lance Taylor  <iant@google.com>
8986
8987         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
8988         justsyms.t.
8989         * testsuite/Makefile.in: Rebuild.
8990
8991         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
8992         long.
8993         * testsuite/script_test_2.cc (main): Adjust test.
8994
8995 2008-04-11  David S. Miller  <davem@davemloft.net>
8996             Ian Lance Taylor  <iant@google.com>
8997
8998         * options.h (General_options): Add entries for '-Y' and
8999         '-relax'.
9000         * options.cc (General_options:finalize): If -Y was used, add those
9001         entries to the library path instead of the default "/lib" and
9002         "/usr/lib".
9003
9004 2008-04-11  David S. Miller  <davem@davemloft.net>
9005
9006         * testsuite/justsyms.t: Start at 0x100.
9007         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9008         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9009         long.
9010         * testsuite/script_test_2.cc: Adjust string and section length
9011         checks.
9012
9013 2008-04-09  Ian Lance Taylor  <iant@google.com>
9014
9015         PR gold/5996
9016         * script-sections.cc (Sections_element::allocate_to_segment): Add
9017         orphan parameter.
9018         (Output_section_definition::allocate_to_segment): Likewise.
9019         (Orphan_output_section::allocate_to_segment): Likewise.
9020         (Script_sections::attach_sections_using_phdrs_clause): Don't
9021         propagate non-PT_LOAD segments to orphan sections.
9022         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9023         readelf rather than objdump.
9024         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9025         .interp section and PT_INTERP segment are the same size.
9026         * testsuite/Makefile.in: Rebuild.
9027
9028         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9029         aliases for symbols defined in the same object.
9030         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9031         (weak_alias_test_SOURCES): New variable.
9032         (weak_alias_test_DEPENDENCIES): New variable.
9033         (weak_alias_test_LDFLAGS): New variable.
9034         (weak_alias_test_LDADD): New variable.
9035         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9036         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9037         (weak_alias_test_3.o): New target.
9038         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9039         * testsuite/weak_alias_test_main.cc: New file.
9040         * testsuite/weak_alias_test_1.cc: New file.
9041         * testsuite/weak_alias_test_2.cc: New file.
9042         * testsuite/weak_alias_test_3.cc: New file.
9043
9044 2008-04-08  Ian Lance Taylor  <iant@google.com>
9045
9046         * options.h (class General_options): Add --noinhibit-exec option.
9047         * main.cc (main): Check --noinhibit-exec.
9048
9049         * options.h (class General_options): Define --wrap as a special
9050         option.  Add wrap_symbols_ field.
9051         (General_options::any_wrap_symbols): New function.
9052         (General_options::is_wrap_symbol): New function.
9053         * options.cc (General_options::parse_wrap): New function.
9054         (General_options::General_options): Initialize wrap_symbols_.
9055         * symtab.cc (Symbol_table::wrap_symbol): New function.
9056         (Symbol_table::add_from_object): Handle --wrap.
9057         * symtab.h (class Symbol_table): Declare wrap_symbol.
9058         * target.h (Target::wrap_char): New function.
9059         (Target::Target_info): Add wrap_char field.
9060         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9061         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9062         * testsuite/testfile.cc (Target_test::test_target_info):
9063         Likewise.
9064
9065         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9066         there is one.
9067
9068         * layout.h (class Layout): Add added_eh_frame_data_ field.
9069         * layout.cc (Layout::Layout): Initialize new field.
9070         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9071         output section until we find a section we merged successfully.
9072         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9073         that the size be non-zero.
9074
9075         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9076         qualifier.
9077
9078 2008-04-08  Craig Silverstein  <csilvers@google.com>
9079
9080         * configure.ac: Export new conditional variable HAVE_ZLIB.
9081         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9082         on HAVE_ZLIB.
9083         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9084         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9085
9086 2008-04-07  Ian Lance Taylor  <iant@google.com>
9087
9088         * version.cc (version_string): Set to "1.5".
9089
9090         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9091         Add issued_non_pic_error_ field.  Declare check_non_pic.
9092         (Target_x86_64::Scan::check_non_pic): New function.
9093         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9094         (Target_x86_64::Scan::global): Likewise.
9095
9096         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9097         addend parameter.  Change caller.  Handle merge sections.
9098         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9099         Address to Addend.  Don't add in the result of
9100         local_section_offset, pass down the addend and use the returned
9101         value.
9102         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9103         Update declarations of local_section_offset and symbol_value.
9104         * testsuite/two_file_test_1.cc (t18): New function.
9105         * testsuite/two_file_test_2.cc (f18): New function.
9106         * testsuite/two_file_test_main.cc (main): Call t18.
9107         * testsuite/two_file_test.h (t18, f18): Declare.
9108
9109         * configure.ac: Don't test for objdump, c++filt, or readelf.
9110         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9111         conditionals.
9112         (TEST_READELF): New variable.
9113         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9114         (check_PROGRAMS): Add two_file_strip_test.
9115         (two_file_strip_test): New target.
9116         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9117         (two_file_same_shared_strip_test_SOURCES): New variable.
9118         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9119         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9120         (two_file_same_shared_strip_test_LDADD): New variable.
9121         (two_file_shared_strip.so): New target.
9122         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9123         (ver_test_5.syms, ver_test_7.syms): Likewise.
9124         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9125         (strip_test_3.stdout): Use TEST_OBJDUMP.
9126         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9127
9128 2008-04-04  Cary Coutant  <ccoutant@google.com>
9129
9130         * symtab.h (Symbol::is_weak_undefined): New function.
9131         (Symbol::is_strong_undefined): New function.
9132         (Symbol::is_absolute): New function.
9133         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9134         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9135         absolute symbols.
9136         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9137         (weak_undef_test): New target.
9138         * testsuite/Makefile.in: Rebuild.
9139         * testsuite/weak_undef_file1.cc: New file.
9140         * testsuite/weak_undef_file2.cc: New file.
9141         * testsuite/weak_undef_test.cc: New file.
9142
9143 2008-04-03  Craig Silverstein  <csilvers@google.com>
9144
9145         * compressed_output.h (class Output_compressed_section): Use
9146         unsigned buffer.
9147         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9148         add zlib header.
9149         (zlib_compressed_suffix): Removed.
9150         (Output_compressed_section::set_final_data_size): Use unsigned
9151         buffers.
9152         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9153         Fix linker invocation.
9154         (flagstest_o_specialfile_and_compress_debug_sections):
9155         Likewise.
9156         * testsuite/Makefile.in: Regenerated.
9157
9158 2008-04-02  David S. Miller  <davem@davemloft.net>
9159
9160         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9161         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9162
9163 2008-04-02  Craig Silverstein  <csilvers@google.com>
9164
9165         * TODO: New file.
9166
9167 2008-04-02  Ian Lance Taylor  <iant@google.com>
9168
9169         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9170         parameters.  Update for new key type to views_.  Change all
9171         callers.
9172         (File_read::read): Adjust for byteshift in returned view.
9173         (File_read::add_view): New function, broken out of
9174         find_and_make_view.
9175         (File_read::make_view): New function, broken out of
9176         find_and_make_view.
9177         (File_read::find_or_make_view): Add offset and aligned
9178         parameters.  Rewrite accordingly.  Change all callers.
9179         (File_read::get_view): Add offset and aligned parameters.  Adjust
9180         for byteshift in return value.
9181         (File_read::get_lasting_view): Likewise.
9182         * fileread.h (class File_read): Update declarations.
9183         (class File_read::View): Add byteshift_ field.  Add byteshift to
9184         constructor.  Add byteshift method.
9185         * archive.h (Archive::clear_uncached_views): New function.
9186         (Archive::get_view): Add aligned parameter.  Change all callers.
9187         * object.h (Object::get_view): Add aligned parameter.  Change all
9188         callers.
9189         (Object::get_lasting_view): Likewise.
9190
9191         * fileread.cc (File_read::release): Don't call clear_views if
9192         there are multiple objects.
9193         * fileread.h (File_read::clear_uncached_views): New function.
9194         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9195         on the archive.
9196
9197 2008-03-31  Cary Coutant  <ccoutant@google.com>
9198
9199         Add thin archive support.
9200         * archive.cc (Archive::armagt): New const.
9201         (Archive::setup): Remove task parameter and calls to unlock.
9202         (Archive::unlock_nested_archives): New function.
9203         (Archive::read_header): Add nested_off parameter. Change
9204         all callers.
9205         (Archive::interpret_header): Likewise.
9206         (Archive::include_all_members): Change to handle thin
9207         archives.
9208         (Archive::include_member): Likewise.
9209         * archive.h (Archive::Archive): Add new parameters and
9210         initializers.
9211         (Archive::armagt): New const.
9212         (Archive::setup): Remove task parameter.
9213         (Archive::unlock_nested_archives): New function.
9214         (Archive::read_header): Add nested_off parameter.
9215         (Archive::interpret_header): Likewise.
9216         (Archive::Nested_archive_table): New typedef.
9217         (Archive::is_thin_archive_): New field.
9218         (Archive::nested_archives_): New field.
9219         (Archive::options_): New field.
9220         (Archive::dirpath_): New field.
9221         (Archive::task_): New field.
9222         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9223         for thin archives.  Pass additional parameters to
9224         Archive::Archive.  Unlock the archive file after calling
9225         Archive::setup.
9226
9227 2008-03-29  Ian Lance Taylor  <iant@google.com>
9228
9229         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9230         version symbol to be local.
9231         * testsuite/ver_test_4.sh: New file.
9232         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9233         (check_DATA): Add ver_test_4.syms.
9234         (ver_test_4.syms): New target.
9235         * testsuite/Makefile.in: Rebuild.
9236
9237         * output.cc
9238         (Output_section::Input_section_sort_entry::has_priority): New
9239         function.
9240         (Output_section::Input_section_sort_entry::match_file_name): New
9241         function.
9242         (Output_section::Input_section_sort_entry::match_section_name):
9243         Remove.
9244         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9245         Remove.
9246         (Output_section::Input_section_sort_entry::match_section_file):
9247         Remove.
9248         (Output_section::Input_section_sort_compare::operator()): Rewrite
9249         using new Input_section_sort_entry functions.  Sort crtbegin and
9250         crtend first.  Sort sections with no priority before sections with
9251         a priority.
9252         * testsuite/initpri1.c (d3): Check j != 4.
9253         (cd5): New constructor/destructor function.
9254         (main): Check j != 2.
9255
9256         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9257         new symbol when resolving, don't call set_is_default.
9258         * testsuite/ver_test_7.cc: New file.
9259         * testsuite/ver_test_7.sh: New file.
9260         * testsuite/Makefile.am (ver_test_7.so): New target.
9261         (ver_test_7.o): New target.
9262         (check_SCRIPTS): Add ver_test_7.sh.
9263         (check_DATA): Add ver_test_7.syms.
9264         (ver_test_7.syms): New target.
9265
9266 2008-03-28  Ian Lance Taylor  <iant@google.com>
9267
9268         * layout.cc (Layout::layout): If we see an input section with a
9269         name that needs sorting, set the must_sort flag for the output
9270         section.
9271         (Layout::make_output_section): If the name of the output section
9272         indicates that it might require sorting, set the may_sort flag.
9273         * output.h (Output_section::may_sort_attached_input_sections): New
9274         function.
9275         (Output_section::set_may_sort_attached_input_sections): New
9276         function.
9277         (Output_section::must_sort_attached_input_sections): New
9278         function.
9279         (Output_section::set_must_sort_attached_input_sections): New
9280         function.
9281         (class Output_section): Declare Input_section_sort_entry.  Define
9282         Input_section_sort_compare.  Declare
9283         sort_attached_input_sections.  Add new fields:
9284         may_sort_attached_input_sections_,
9285         must_sort_attached_input_sections_,
9286         attached_input_sections_are_sorted_.
9287         * output.cc (Output_section::Output_section): Initialize new
9288         fields.
9289         (Output_section::add_input_section): Add an entry to
9290         input_sections_ if may_sort or must_sort are true.
9291         (Output_section::set_final_data_size): Call
9292         sort_attached_input_sections if necessary.
9293         (Output_section::Input_section_sort_entry): Define new class.
9294         (Output_section::Input_section_sort_compare::operator()): New
9295         function.
9296         (Output_section::sort_attached_input_sections): New function.
9297         * configure.ac: Check whether the compiler supports constructor
9298         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9299         * testsuite/initpri1.c: New file.
9300         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9301         CONSTRUCTOR_PRIORITY.
9302         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9303         (initpri1_LDFLAGS): New variable.
9304         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9305
9306 2008-03-27  Ian Lance Taylor  <iant@google.com>
9307
9308         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9309         * testsuite/common_test_1.c: New file.
9310         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9311         (common_test_1_SOURCES): New variable.
9312         (common_test_1_DEPENDENCIES): New variable.
9313         (common_test_1_LDFLAGS): New variable.
9314
9315         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9316         and commons_ correctly when NAME/VERSION does not override
9317         NAME/NULL.
9318         * testsuite/ver_test_6.c: New file.
9319         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9320         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9321         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9322
9323 2008-03-26  Ian Lance Taylor  <iant@google.com>
9324
9325         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9326         of an undefined symbol from a version script.
9327         * testsuite/Makefile.am (ver_test_5.so): New target.
9328         (ver_test_5.o): New target.
9329         (check_SCRIPTS): Add ver_test_5.sh.
9330         (check_DATA): Add ver_test_5.syms.
9331         (ver_test_5.syms): New target.
9332         * testsuite/ver_test_5.cc: New file.
9333         * testsuite/ver_test_5.script: New file.
9334         * testsuite/ver_test_5.sh: New file.
9335         * Makefile.in, testsuite/Makefile.in: Rebuild.
9336
9337         PR gold/5986
9338         Fix problems building gold with gcc 4.3.0.
9339         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9340         (gold_error_at_location, gold_warning_at_location): Use it.
9341         * configure.ac: Check whether we can compile and use a template
9342         function with a printf attribute.
9343         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9344         when jumping over bytes.
9345         * object.cc: Instantiate Object::read_section_data.
9346         * debug.h: Include <cstring>
9347         * dwarf_reader.cc: Include <algorithm>
9348         * main.cc: Include <cstring>.
9349         * options.cc: Include <cstring>.
9350         * output.cc: Include <cstring>.
9351         * script.cc: Include <cstring>.
9352         * script.h: Include <string>.
9353         * symtab.cc: Include <cstring> and <algorithm>.
9354         * target-select.cc: Include <cstring>.
9355         * version.cc: Include <string>.
9356         * testsuite/testmain.cc: Include <cstdlib>.
9357         * configure, config.in: Rebuild.
9358
9359 2008-03-25  Ian Lance Taylor  <iant@google.com>
9360
9361         * options.cc: Include "../bfd/bfdver.h".
9362         (options::help): Print bug reporting address.
9363
9364         * version.cc (print_version): Adjust output for current value of
9365         BFD_VERSION_STRING.
9366
9367         * NEWS: New file.
9368
9369         * options.cc (options::help): Print list of supported targets.
9370         * target-select.h: Include <vector>.
9371         (class Target_selector): Make machine_, size_, and is_big_endian_
9372         fields const.  Add bfd_name_ and instantiated_target_ fields.
9373         (Target_selector::Target_selector): Add bfd_name parameter.
9374         (Target_selector::recognize): Make non-virtual, call
9375         do_recognize.
9376         (Target_selector::recognize_by_name): Make non-virtual, call
9377         do_recognize_by_name.
9378         (Target_selector::supported_names): New function.
9379         (Target_selector::bfd_name): New function.
9380         (Target_selector::do_instantiate_target): New pure virtual
9381         function.
9382         (Target_selector::do_recognize): New virtual function.
9383         (Target_selector::do_recognize_by_name): New virtual function.
9384         (Target_selector::instantiate_target): New private function.
9385         (supported_target_names): Declare.
9386         * target-select.cc (Target_selector::Target_selector): Update for
9387         new parameter and fields.
9388         (select_target_by_name): Check that the name matches before
9389         calling recognize_by_name.
9390         (supported_target_names): New function.
9391         * i386.cc (class Target_selector_i386): Update Target_selector
9392         constructor call.  Remove recognize and recognize_by_name.  Add
9393         do_instantiate_target.
9394         * x86_64.cc (class Target_selector_x86_64): Likewise.
9395         * testsuite/testfile.cc (class Target_selector_test): Update for
9396         changes to Target_selector.
9397
9398         * README: Rewrite, with some notes on unsupported features.
9399
9400 2008-03-24  Cary Coutant  <ccoutant@google.com>
9401
9402         * i386.cc (Target_i386::Got_type): New enum declaration.
9403         (Target_i386::Scan::local): Updated callers of Output_data_got
9404         member functions.
9405         (Target_i386::Scan::global): Likewise.
9406         (Target_i386::Relocate::relocate): Likewise.
9407         (Target_i386::Relocate::relocate_tls): Likewise.
9408         * object.h (Got_offset_list): New class.
9409         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9410         (Sized_relobj::local_got_offset): Likewise.
9411         (Sized_relobj::set_local_got_offset): Likewise.
9412         (Sized_relobj::local_has_tls_got_offset): Removed.
9413         (Sized_relobj::local_tls_got_offset): Removed.
9414         (Sized_relobj::set_local_tls_got_offset): Removed.
9415         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9416         * output.cc (Output_data_got::add_global): Added got_type parameter.
9417         (Output_data_got::add_global_with_rel): Likewise.
9418         (Output_data_got::add_global_with_rela): Likewise.
9419         (Output_data_got::add_global_pair_with_rel): New function.
9420         (Output_data_got::add_global_pair_with_rela): New function.
9421         (Output_data_got::add_local): Added got_type parameter.
9422         (Output_data_got::add_local_with_rel): Likewise.
9423         (Output_data_got::add_local_with_rela): Likewise.
9424         (Output_data_got::add_local_pair_with_rel): New function.
9425         (Output_data_got::add_local_pair_with_rela): New function.
9426         (Output_data_got::add_global_tls): Removed.
9427         (Output_data_got::add_global_tls_with_rel): Removed.
9428         (Output_data_got::add_global_tls_with_rela): Removed.
9429         (Output_data_got::add_local_tls): Removed.
9430         (Output_data_got::add_local_tls_with_rel): Removed.
9431         (Output_data_got::add_local_tls_with_rela): Removed.
9432         * output.h (Output_data_got::add_global): Added got_type parameter.
9433         (Output_data_got::add_global_with_rel): Likewise.
9434         (Output_data_got::add_global_with_rela): Likewise.
9435         (Output_data_got::add_global_pair_with_rel): New function.
9436         (Output_data_got::add_global_pair_with_rela): New function.
9437         (Output_data_got::add_local): Added got_type parameter.
9438         (Output_data_got::add_local_with_rel): Likewise.
9439         (Output_data_got::add_local_with_rela): Likewise.
9440         (Output_data_got::add_local_pair_with_rel): New function.
9441         (Output_data_got::add_local_pair_with_rela): New function.
9442         (Output_data_got::add_global_tls): Removed.
9443         (Output_data_got::add_global_tls_with_rel): Removed.
9444         (Output_data_got::add_global_tls_with_rela): Removed.
9445         (Output_data_got::add_local_tls): Removed.
9446         (Output_data_got::add_local_tls_with_rel): Removed.
9447         (Output_data_got::add_local_tls_with_rela): Removed.
9448         * resolve.cc (Symbol::override_base_with_special): Removed
9449         reference to has_got_offset_ field.
9450         * symtab.cc (Symbol::init_fields): Replaced initialization
9451         of got_offset_ with got_offsets_.  Removed initialization
9452         of has_got_offset_
9453         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9454         (Symbol::got_offset): Likewise.
9455         (Symbol::set_got_offset): Likewise.
9456         (Symbol::has_tls_got_offset): Removed.
9457         (Symbol::tls_got_offset): Removed.
9458         (Symbol::set_tls_got_offset): Removed.
9459         (Symbol::got_offset_): Removed.
9460         (Symbol::tls_mod_got_offset_): Removed.
9461         (Symbol::tls_pair_got_offset_): Removed.
9462         (Symbol::got_offsets_): New field.
9463         (Symbol::has_got_offset): Removed.
9464         (Symbol::has_tls_mod_got_offset): Removed.
9465         (Symbol::has_tls_pair_got_offset): Removed.
9466         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9467         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9468         member functions.
9469         (Target_x86_64::Scan::global): Likewise.
9470         (Target_x86_64::Relocate::relocate): Likewise.
9471         (Target_x86_64::Relocate::relocate_tls): Likewise.
9472
9473 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9474
9475         * yyscript.y: Fix spelling error in comment.
9476
9477 2008-03-24  Ian Lance Taylor  <iant@google.com>
9478
9479         * options.h (class General_options): Define build_id option.
9480         * layout.h (class Layout): Declare write_build_id, create_note,
9481         create_build_id.  Add build_id_note_ member.
9482         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9483         "libiberty.h", "md5.h", "sha1.h".
9484         (Layout::Layout): Initialize eh_frame_data_,
9485         eh_frame_hdr_section_, and build_id_note_.
9486         (Layout::finalize): Call create_build_id.
9487         (Layout::create_note): New function, broken out of
9488         Layout::create_gold_note.
9489         (Layout::create_gold_note): Call create_note.
9490         (Layout::create_build_id): New function.
9491         (Layout::write_build_id): New function.
9492         (Close_task_runner::run): Call write_build_id.
9493
9494         * x86_64.cc: Correct license to GPLv3.
9495
9496 2008-03-23  Ian Lance Taylor  <iant@google.com>
9497
9498         * options.cc: Include "demangle.h".
9499         (parse_optional_string): New function.
9500         (parse_long_option): Handle takes_optional_argument.
9501         (parse_short_option): Update dash_z initializer.  Handle
9502         takes_optional_argument.
9503         (General_options::General_options): Initialize do_demangle_.
9504         (General_options::finalize): Set do_demangle_.  Handle demangling
9505         style.
9506         * options.h (parse_optional_string): Declare.
9507         (struct One_option): Add optional_arg field.  Update constructor.
9508         Update call constructor calls.  Add takes_optional_argument
9509         function.
9510         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9511         (DEFINE_optional_string): Define.
9512         (General_options::demangle): Change from DEFINE_bool to
9513         DEFINE_optional_string.
9514         (General_options::no_demangle): New function.
9515         (General_options::do_demangle): New function.
9516         (General_options::set_do_demangle): New function.
9517         (General_options::execstack_status_): Move definition to end of
9518         class definition.
9519         (General_options::static_): Likewise.
9520         (General_options::do_demangle_): New field.
9521         * object.cc (big_endian>::get_symbol_location_info): Call
9522         Options::do_demangle, not Options::demangle.
9523         * symtab.cc (demangle): Likewise.
9524
9525 2008-03-22  Ian Lance Taylor  <iant@google.com>
9526
9527         * gold.h: Include <cstddef> and <sys/types.h>
9528         * options.h: Include <cstring>.
9529
9530 2008-03-21  Ian Lance Taylor  <iant@google.com>
9531
9532         * Added source code to GNU binutils.