* dirsearch.cc (Dirsearch::initialize): Add all blockers before
[binutils.git] / gold / ChangeLog
blob21d04a58787c12958082c688e44d85b945505130
1 2010-02-10  Ian Lance Taylor  <iant@google.com>
3         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4         queueing any tasks.
5         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6         (queue_middle_tasks): Add all blockers before queueing any tasks.
7         (queue_final_tasks): Likewise.
8         * token.h (Task_token::add_blockers): New function.
9         * object.h (Input_objects::number_of_relobjs): New function.
11 2010-02-10  Ian Lance Taylor  <iant@google.com>
13         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
14         shared, not if not position independent.
15         * x86_64.cc (Relocate::relocate_tls): Likewise.
16         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
17         (tls_pie_pic_test): New target.
18         * testsuite/Makefile.in: Rebuild.
20         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
21         (tls_test_main_pie.o, tls_test_pie.o): New targets.
22         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
23         * testsuite/Makefile.in: Rebuild.
25 2010-02-09  David S. Miller  <davem@davemloft.net>
27         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
28         R_SPARC_RELATIVE using ->add_local_relative().
29         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
31         * output.h (Output_data_dynamic::add_section_size): New method
32         that takes two Output_data objects.
33         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
34         entry param.  Handle it in initializers.
35         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
36         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
37         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
38         arg.
39         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
40         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
41         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
42         for dynrel_includes_plt.
43         * i386.cc (Target_i386::do_finalize_sections): Likewise.
44         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
45         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
46         before .rela.plt
47         (Target_sparc::do_finalize_sections): Update to pass true for
48         dynrel_includes_plt.
49         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
50         output before .rela.plt
51         (Target_powerpc::do_finalize_sections): Update to pass true for
52         dynrel_includes_plt when 32-bit.
54 2010-02-08  Doug Kwan  <dougkwan@google.com>
56         * arm.cc (Arm_relobj::simple_input_section_output_address): New
57         method.
58         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
59         Arm_relobj::scan_section_for_cortex_a8_stubs,
60         Arm_relobj::do_relocation_section): Instead of calling
61         Output_section::output_address, use faster
62         Arm_relobj::simple_input_section_output_address.
64 2010-02-08  David S. Miller  <davem@davemloft.net>
66         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
67         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
68         relocation helper function.
70         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
71         just like R_SPARC_GOT{10,13,22}.
72         (Target_sparc::Scan::local): Likewise.
73         (Target_sparc::Relocate:relocate): Likewise.
75 2010-02-06  Ian Lance Taylor  <iant@google.com>
77         * configure.ac: Rewrite targetobjs duplicate removal code to use
78         only shell constructs.
79         * configure: Rebuild.
81 2010-02-05  Doug Kwan  <dougkwan@google.com>
83         PR 11247
84         * arm.cc (Arm_relobj::section_is_scannable): New method.
85         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
86         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
88 2010-02-04  Doug Kwan  <dougkwan@google.com>
90         PR 11247
91         * arm-reloc-property.cc (cstdio): Include.
92         * configure.ac (targetobjs): Remove duplicates.
93         * configure: Regenerate.
94         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
95         big and little endian version for a given address size.
97 2010-02-03  Doug Kwan  <dougkwan@google.com>
99         * arm-reloc-property.cc
100         (Arm_reloc_property_table::reloc_name_in_error_message): New method
101         definition.
102         * arm-reloc-property.h
103         (Arm_reloc_property_table::get_implemented_static_reloc_property):
104         New method definition.
105         (Arm_reloc_property_table::reloc_name_in_error_message): New method
106         declaration.
107         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
108         overflow to N.
109         (GOT_PREL): Change implemented to Y.
110         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
111         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
112         (Arm_relocate_functions::movw_abs_nc): Remove method.
113         (Arm_relocate_functions::movt_abs): Ditto.
114         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
115         (Arm_relocate_functions::thm_movt_abs): Ditto.
116         (Arm_relocate_functions::movw_rel_nc): Ditto.
117         (Arm_relocate_functions::movw_rel): Ditto.
118         (Arm_relocate_functions::movt_rel): Ditto.
119         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
120         (Arm_relocate_functions:thm_movw_rel): Ditto.
121         (Arm_relocate_functions:thm_movt_rel): Ditto.
122         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
123         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
124         New method definitions.
125         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
126         (Arm_relocation_functions::arm_grp_ldr): Ditto.
127         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
128         (Arm_relocation_functions::arm_grp_ldc): Ditto.
129         (Target_arm::Relocate::relocate): Check for non-static or
130         unimplemented relocation code and exit early.  Change calls to
131         Target_arm::reloc_uses_thumb_bit and
132         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
133         instead.  Refactor code to handle similar relocations to increase
134         code sharing.  Remove check for unsupported relocation code in switch
135         statement.
136         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
137         relocation property table to find out size.  Change error message to
138         print out the name of a relocation code instead of the numeric value.
139         (Target_arm::scan_reloc_for_stub): Use relocation property table
140         instead of calling Target_arm::reloc_uses_thumb_bit().
142 2010-02-02  Doug Kwan  <dougkwan@google.com>
144         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
145         types of relaxed input section.
147 2010-02-02  Doug Kwan  <dougkwan@google.com>
149         * Makefile.am (HFILES): Add arm-reloc-property.h.
150         (DEFFILES): New.
151         (TARGETSOURCES): Add arm-reloc-property.cc
152         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
153         (libgold_a_SOURCES): $(DEFFILES)
154         * Makefile.in: Regenerate.
155         * arm-reloc-property.cc: New file.
156         * arm-reloc-property.h: New file.
157         * arm-reloc.def: New file.
158         * arm.cc: Update comments.
159         (arm-reloc-property.h): New included header.
160         (arm_reloc_property_table): New global variable.
161         (Target_arm::do_select_as_default_target): New method definition.
162         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
163         arm-reloc-property to targ_extra_obj.
164         * parameters.cc (set_parameters_target): Call
165         Target::select_as_default_target().
166         * target.h (Target::select_as_default_target): New method definition.
167         (Target::do_select_as_default_target): Same.
169 2010-02-01  Doug Kwan  <dougkwan@google.com>
171         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
172         first_output_text_section_.
173         (Arm_exidx_fixup::first_output_text_section): New method definition.
174         (Arm_exidx_fixup::first_output_text_section_): New data member.
175         (Arm_exidx_fixup::process_exidx_section): Record the first text
176         output section seen.
177         (Arm_output_section::fix_exidx_coverage): Set correct linked section
178         and entsize in output section header.
180 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
182         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
183         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
184         (Arm_relocate_functions::thm_alu11): New Method.
185         (Arm_relocate_functions::thm_pc8): New Method.
186         (Arm_relocate_functions::thm_pc12): New Method.
187         (Target_arm::Scan::local): Handle the relocations.
188         (Target_arm::Scan::global): Likewise.
189         (Target_arm::Relocate::relocate): Likewise.
190         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
192 2010-01-29  Doug Kwan  <dougkwan@google.com>
194         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
195         of relocation types as ld.
197 2010-01-29  Doug Kwan  <dougkwan@google.com>
199         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
200         to public.
201         (Arm_relocate_functions::thumb_branch_common): Ditto.
202         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
203         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
204         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
205         Arm_relocate_functions::jump24): Remove.
206         (Target_arm::Relocate::relocate): Adjust code to call
207         Arm_relocation_functions::arm_branch_common and
208         Arm_relocation_functions::thumb_branch_common instead of their removed
209         wrappers.  Merge switch-cases together to reduce source code size.  
211 2010-01-29  Doug Kwan  <dougkwan@google.com>
213         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
214         output_local_symbol_count_needs_update_.
215         (Arm_relobj::output_local_symbol_count_needs_update,
216          Arm_relobj::set_output_local_symbol_count_needs_update,
217          Arm_relobj::update_output_local_symbol_count): New methods.
218         (Arm_relobj::output_local_symbol_count_needs_update_): New data
219         member.
220         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
221         of pointed function as in a R_ARM_PREL31 relocation.
222         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
223         for output local symbol count updating.
224         (Target_arm::do_relax): Update output local symbol counts in objects
225         if necessary.
226         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
228 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
230         * arm.cc: Added support for the ARM relocations:
231         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
232         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
233         (Arm_relocate_functions::movw_rel_nc): Renamed (was
234         movw_prel_nc).
235         (Arm_relocate_functions::movw_rel): New method.
236         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
237         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
238         thm_movw_prel_nc).
239         (Arm_relocate_functions::thm_movw_rel): New method.
240         (Arm_relocate_functions::thm_movt_rel): Renamed (was
241         thm_movt_prel).
242         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
243         relocations.
244         (Target_arm::Scan::global): Likewise.
245         (Target_arm::Relocate::relocate): Likewise.
246         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
247         Likewise.
249 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
251         * arm.cc: Added support for ARM group relocations.
252         (Target_arm::reloc_needs_sym_origin): New method.
253         (Arm_relocate_functions::calc_grp_kn): New method.
254         (Arm_relocate_functions::calc_grp_residual): New method.
255         (Arm_relocate_functions::calc_grp_gn): New method.
256         (Arm_relocate_functions::arm_grp_alu): New Method.
257         (Arm_relocate_functions::arm_grp_ldr): New Method.
258         (Arm_relocate_functions::arm_grp_ldrs): New Method.
259         (Arm_relocate_functions::arm_grp_ldc): New Method.
260         (Target_arm::Scan::local): Handle the ARM group relocations.
261         (Target_arm::Scan::global): Likewise.
262         (Target_arm::Relocate::relocate): Likewise.
263         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
264         Likewise.
266 2010-01-26  Doug Kwan  <dougkwan@google.com>
268         * arm.cc (set): Include.
269         (class Arm_exidx_fixup): Change type of last_input_section_ to const
270         pointer type.
271         (Arm_output_section::Text_section_list): New type.
272         (Arm_output_section::append_text_sections_to_list): New method.
273         (Arm_output_section::fix_exidx_coverage): Ditto.
274         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
275         (Arm_relobj::convert_input_section_to_relaxed_section): Use
276         Relobj::set_section_offset() instead of
277         Sized_relobj::invalidate_section_offset().
278         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
279         parameter for section headers. Ignore relocation sections for
280         unallocated sections and EXIDX sections.
281         (Target_arm::fix_exidx_coverage): New method.
282         (Target_arm::output_section_address_less_than): New type.
283         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
284         linked text section instead of the EXIDX section.
285         (Arm_output_section::create_stub_group): Add an assertion to check
286         that this is not an EXIDX output section.
287         (Arm_output_section::append_text_sections_to_list): New method.
288         (Arm_output_section::fix_exidx_coverage): Ditto.
289         (Arm_relobj::scan_sections_for_stubs): Adjust call to
290         Arm_relobj::section_needs_reloc_stub_scanning.
291         (Target_arm::do_relax): Fix EXIDX output section coverage in the
292         first pass.
293         (Target_arm::fix_exidx_coverage): New method.
294         * object.h (Relobj::set_output_section): New method.
295         (Sized_relobj::invalidate_section_offset): Remove method.
296         (Sized_relobj::do_invalidate_section_offset): Remove method.
297         (Sized_relobj::do_set_section_offset): Handle offset value -1.
299 2010-01-25  Doug Kwan  <dougkwan@google.com>
301         * arm.cc (Arm_exidx_merged_section::do_output_offset):
302         Fix warning due to signed and unsigned comparison on a 32-bit host.
304 2010-01-22  Doug Kwan  <dougkwan@google.com>
306         * arm.cc (Target_arm::do_relax): Record an output section for section
307         offset adjustment it contains any stub table that has changed.
308         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
309         offsets in an output section if necessary.
310         * output.cc (Output_section::Output_section): Initialize
311         section_offsets_need_adjustments_.
312         (Output_section::add_input_section_for_script): Renamed to
313         Output_section::add_simple_input_section.
314         (Output_section::save_states): Add a comment.
315         (Output_section::discard_states): New method defintion.
316         (Output_section::adjust_section_offsets): Same.
317         * output.h (Output_section::add_input_section_for_script): Renamed to
318         Output_section::add_simple_input_section.
319         (Output_section::discard_states): New method declaration.
320         (Output_section::adjust_section_offsets): Same.
321         (Output_section::section_offsets_need_adjustment,
322         Output_section::set_section_offsets_need_adjustment): New method
323         definitions.
324         (Output_section::section_offsets_need_adjustment_): New data member.
325         * script-sections.cc
326         (Output_section_element_input::set_section_address): Adjust code for
327         renaming of Output_section::add_input_section_for_script.
328         (Orphan_output_section::set_section_address): Same.
330 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
332         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
333         Fix_v4bx enum values .
334         * gold/options.h (General_options): New option definitions.
335         (General_options::fix_v4bx): New method.
336         (General_options::Fix_v4bx): New enum.
337         * gold/options.cc (General_options::parse_fix_v4bx): New method.
338         (General_options::parse_fix_v4bx_interworking): New method.
340 2010-01-22  Doug Kwan  <dougkwan@google.com>
342         * arm.cc (Arm_exidx_fixup): New class.
344 2010-01-21  Doug Kwan  <dougkwan@google.com>
346         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
347         classes.
348         (Arm_exidx_section_offset_map): New type.
350 2010-01-21  Doug Kwan  <dougkwan@google.com>
352         * arm.cc (Arm_exidx_input_section): New class.
353         (Arm_relobj::exidx_input_section_by_link,
354         Arm_relobj::exidx_input_section_by_shndx,
355         Arm_relobj::make_exidx_input_section): New methods.
356         (read_arm_attributes_section): Remove.
357         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
358         information about them.
359         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
360         to here.
362 2010-01-20  Doug Kwan  <dougkwan@google.com>
364         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
365         Input_section_specifier to Section_id.
366         (Target_arm::new_arm_input_section: Adjust code for change of key
367         type.
368         (Target_arm::find_arm_input_section): Ditto.
369         * gc.h (object.h): Include for Section_id nand Section_id_hash.
370         (Section_id): Remove.
371         (Garbage_collection::Section_id_hash): Remove.
372         * icf.h (object.h): Include for Section_id nand Section_id_hash.
373         (Section_id): Remove.
374         (Icf::Section_id_hash): Remove.
375         * object.h (Section_id, Const_section_id, Section_id_hash,
376         Const_section_id_hash): New type definitions.
377         * output.cc (Output_section::add_relaxed_input_section): Change to
378         use Const_section_id instead of Input_section_specifier as key type.
379         (Output_section::add_merge_input_section): Ditto.
380         (Output_section::build_relaxation_map): Change to use Section_id
381         instead of Input_section_specifier as key type.
382         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
383         Ditto.
384         (Output_section::convert_input_sections_to_relaxed_sections): Change
385         to use Const_section_id instead of Input_section_specifier as key type.
386         (Output_section::find_merge_section): Ditto.
387         (Output_section::find_relaxed_input_section): Ditto.
388         * output.h (Input_section_specifier): Remove class.
389         (Output_section::Output_section_data_by_input_section_map): Change
390         key type to Const_section_id.
391         (Output_section::Output_relaxed_input_section_by_input_section_map):
392         Ditto.
393         (Output_section::Relaxation_map): Change key type to Section_id.
395 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
397         * gold/arm.cc: Added support for R_ARM_V4BX relocation
398         (class Arm_v4bx_stub): New class.
399         (DEF_STUBS): Updated definition to support v4_veneer_bx.
400         (Stub_factory::make_arm_v4bx_stub): New method.
401         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
402         (Stub_table::empty): Handle v4bx stubs.
403         (Stub_table::add_arm_v4bx_stub): New method.
404         (Stub_table::find_arm_v4bx_stub): New method.
405         (Arm_relocate_functions::v4bx): New method.
406         (Target_arm::fix_v4bx): New method.
407         (Target_arm::Target_arm): Handle R_ARM_V4BX.
408         (Stub_table::relocate_stubs): Likewise.
409         (Stub_table::do_write): Likewise.
410         (Stub_table::update_data_size_and_addralign): Likewise.
411         (Stub_table::finalize_stubs):  Likewise.
412         (Target_arm::Scan::local): Likewise.
413         (Target_arm::Scan::global): Likewise.
414         (Target_arm::do_finalize_sections): Likewise.
415         (Target_arm::Relocate::relocate): Likewise.
416         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
417         Likewise.
418         (Target_arm::scan_reloc_for_stub): Likewise.
419         (Target_arm::scan_reloc_section_for_stubs): Likewise.
421 2010-01-19  Ian Lance Taylor  <iant@google.com>
423         * output.cc (Output_section_headers::do_sized_write): Write large
424         segment count to sh_info field.
425         (Output_file_header::do_sized_write): For large segment count,
426         write PN_XNUM to e_phnum field.
428 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
430         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
431         (Arm_relocate_functions::thm_jump8): New function.
432         (Arm_relocate_functions::thm_jump11): New function.
433         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
434         R_ARM_THM_JUMP11.
435         (Target_arm::Scan::global): Likewise.
436         (Target_arm::Relocate::relocate): Likewise.
437         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
438         Likewise.
440 2010-01-14  Doug Kwan  <dougkwan@google.com>
442         * arm.cc (map, utility): Include headers.
443         (Target_arm::apply_cortex_a8_workaround): New method.
444         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
445         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
446         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
447         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
448         the --[no-]fix-cortex-a8 command line options.
449         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
450         (Target_arm::relocate_stub): Use addend in instruction template.
451         * options.h (DEFINE_bool): Set the user-set flag.
452         (General_options): Add --[no-]-fix-cortex options.
453         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
454         : Update fast look-up map after conversion. 
456 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
458         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
459         in the first pass of do_layout.
461 2010-01-13  Doug Kwan  <dougkwan@google.com>
463         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
464         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
465         apparent compiler problem of not folding static constant integral
466         data members of elfcpp::Elf_sizes<32>.
468 2010-01-13  Doug Kwan  <dougkwan@google.com>
470         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
471         Arm_relobj::section_needs_cortex_a8_stub_scanning,
472         Arm_relobj::scan_section_for_cortex_a8_erratum,
473         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
474         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
475         sections to scan for relocation stubs into a new method
476         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
477         relocation and Cortex-A8 stub scanning.
478         (Target_arm::do_relax): Force stubs to be after stubbed sections
479         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
480         the beginning of a new relaxation pass.  Update a comment. 
481         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
483 2010-01-12  Ian Lance Taylor  <iant@google.com>
485         * target-reloc.h (visibility_error): New inline function.
486         (relocate_section): Call visibility_error.
487         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
488         (MOSTLYCLEANFILES): Likewise.
489         (protected_4_pic.o, protected_3.err): New targets.
490         * testsuite/protected_4.cc: New file.
492 2010-01-12  Doug Kwan  <dougkwan@google.com>
494         * arm.cc (Cortex_a8_reloc): New class.
495         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
496         and cortex_a8_relocs_info_.
497         (Target_arm::fix_cortex_a8): New method definition.
498         (Target_arm::Cortex_a8_relocs_info): New type.
499         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
500         New data member declarations.
501         (Target_arm::scan_reloc_for_stub): Record information about
502         relocations for THUMB branches that might be exempted from the
503         Cortex-A8 workaround.
504         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
505         at the beginning of a relaxation pass.
507 2010-01-12  Doug Kwan  <dougkwan@google.com>
509         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
510         (Arm_relobj::Mapping_symbol_position,
511          Arm_reloj::Mapping_symbol_position_less,
512          Arm_relobj::Mapping_symbols_info): New types.
513         (Target_arm::is_mapping_symbol_name): New method definition.
514         (Arm_relobj::do_count_local_symbols): Save information about mapping
515         symbols.
517 2010-01-11  Doug Kwan  <dougkwan@google.com>
519         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
520         Arm_relocate_functions::thumb32_branch_upper,
521         Arm_relocate_functions::thumb32_branch_lower,
522         Arm_relocate_functions::thumb32_cond_branch_offset,
523         Arm_relocate_functions::thumb32_cond_branch_upper,
524         Arm_relocate_functions::thumb32_cond_branch_lower,
525         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
526         branch offset encoding.
527         (Arm_relocate_functions::thumb_branch_common): Use new branch
528         offset encoding methods to avoid code duplication.
529         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
530         (Stub_addend_reader::operator()): Use new branch encoding method
531         to avoid code duplication.
533 2010-01-11  Doug Kwan  <dougkwan@google.com>
535         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
536         (Target_arm::do_finalize_sections): Define special EXIDX section
537         symbols only if referenced.
538         * gc.h (Garbage_collection::add_reference): New method.
539         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
540         code duplication.
542 2010-01-11  Ian Lance Taylor  <iant@google.com>
544         * script.cc (Version_script_info::build_expression_list_lookup):
545         Change complaing about duplicate wildcard match from error to
546         warning.
548         * script.cc (class Lazy_demangler): Recreate--revert part of patch
549         of 2009-12-30.
550         (Version_script_info::Version_script_info): Initialize globs_,
551         default_version_, default_is_global_, and exact_.  Don't
552         initialize globals_ or locals_.
553         (Version_script_info::build_lookup_tables): Build local symbols
554         first.
555         (Version_script_info::unquote): New function.
556         (Version_script_info::add_exact_match): New function.
557         (Version_script_info::build_expression_list_lookup): Remove lookup
558         parameter.  Add is_global parameter.  Change all callers.  Handle
559         wildcard pattern specially.  Unquote pattern.  Call
560         add_exact_match.
561         (Version_script_info::get_name_to_match): New function.
562         (Version_script_info::get_symbol_version): New function.
563         (Version_script_info::get_symbol_version_helper): Remove.
564         (Version_script_info::check_unmatched_names): Call unquote.
565         * script.h (class Version_script_info): Change get_symbol_version
566         to be non-inline and add is_global parameter; change all callers.
567         Rewrite symbol_is_local.  Update declarations.  Define struct
568         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
569         Remove globals_ and locals_ members.  Add exact_, globs_,
570         default_version_, is_global_.
571         (Version_script_info::Glob): Remove pattern, add expression and
572         is_global.  Update constructor.  Change all callers.
573         * dynobj.cc (Versions::finalize): Mark the version symbol as the
574         default version.
575         (Versions::symbol_section_contents): If a symbol is undefined, or
576         defined in a dynamic object, set the version index to
577         VER_NDX_LOCAL.
578         * symtab.cc (Symbol_table::add_from_relobj): Don't call
579         symbol_is_local.
580         (Symbol_table::add_from_pluginobj): Likewise.
581         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
583 2010-01-11  Doug Kwan  <dougkwan@google.com>
585         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
586         (incremental_dump_LDADD): Add linking option for libintl.
587         * Makefile.in: Regenerate.
589 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
591         PR gold/11144
592         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
593         instead of -Ds.
594         * testsuite/Makefile.in: Regenerated.
596 2010-01-10  Doug Kwan  <dougkwan@google.com>
598         * options.h (DEFINE_var): Use parentheses around argument varname__
599         in macro body to avoid any unintended subsequent substitutions.
601 2010-01-10  Ian Lance Taylor  <iant@google.com>
603         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
604         candidates before doing symbol resolution.
606         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
607         ODR candidates if only one is weak.
609 2010-01-08  Ian Lance Taylor  <iant@google.com>
611         * script.cc (Version_script_info::build_expression_list_lookup):
612         Don't warn about ambiguous version, just record the ambiguity.
613         (Version_script_info::get_symbol_version_helper): Give error if
614         version is ambiguous.
616 2010-01-08  Doug Kwan  <dougkwan@google.com>
618         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
619           prev_data_size_ and prev_addralign_.  Remove initializer for
620           deleted data member has_been_changed_.
621           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
622           to determine if the table is empty.
623           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
624           Remove.
625           (Stub_table::add_reloc_stub): Define method in class definition
626           instead of just declaring it there.
627           (Stub_table::add_cortex_a8_stub): New method definition.
628           (Stub_table::update_data_size_and_addralign): Ditto.
629           (Stub_table::finalize_stubs): Ditto.
630           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
631           (Stub_table::do_addralign_): Return address alignment in the
632           (Stub_table::do_reset_address_and_file_offset): Define method in
633           class definition instead of declaring it there.  Set current data
634           size to be the data size of the previous pass.
635           (Stub_table::set_final_data_size): Use current data size as the
636           final data size.
637           (Stub_table::relocate_stub): Change parameter type of stub from
638           Reloc_stub pointer to Stub pointer.
639           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
640           (Stub_table::Cortex_a8_stub_list): New typedef.
641           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
642            Stub_table::prev_addralign_): New data member.
643           (Arm_relobj::Arm_relobj): Initialize data member
644           section_has_cortex_a8_workaround_.
645           (Arm_relobj::section_has_cortex_a8_workaround,
646            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
647            definitions.
648           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
649           declarations.
650           (Target_arm::relocate_stub): Change parameter type of stub from
651           Reloc_stub pointer to Stub pointer.
652           (Insn_template::size, Insn_template::alignment): Handle
653           THUMB16_SPECIAL_TYPE.
654           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
655            Stub_table::update_data_size_and_addralign,
656            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
657           definitions.
658           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
659           (Stub_table::do_write): Ditto.
660           (Target_arm::do_relax): Adjust code for changes in Stub_table.
662 2010-01-08  Ian Lance Taylor  <iant@google.com>
664         PR 11108
665         * symtab.h (class Symbol): Remove fields is_target_special_ and
666         has_plt_offset_.  Add field is_defined_in_discarded_section_.
667         (Symbol::is_defined_in_discarded_section): New function.
668         (Symbol::set_is_defined_in_discarded_section): New function.
669         (Symbol::has_plt_offset): Rewrite.
670         (Symbol::set_plt_offset): Verify that new offset is not -1U.
671         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
672         Don't initialize is_target_special_ or has_plt_offset_.
673         Initialize is_defined_in_discarded_section_.
674         (Symbol_table::add_from_relobj): If appropriate, set
675         is_defined_in_discarded_section.
676         * resolve.cc (Symbol::override_base_with_special): Don't test
677         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
678         * target-reloc.h (relocate_section): Do special handling for
679         symbols defined in discarded sections for global symbols as well
680         as local symbols.
682 2010-01-08  Ian Lance Taylor  <iant@google.com>
684         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
685         the SHT_SYMTAB case.
687 2010-01-08  Ian Lance Taylor  <iant@google.com>
689         * object.cc (Sized_relobj::do_layout): Don't get confused if
690         layout_eh_frame returns NULL.
692 2010-01-08  Ian Lance Taylor  <iant@google.com>
694         PR 11084
695         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
696         dynamic symbol table, use the normal symbol table.
697         (Sized_dynobj::do_read_symbols): Remove assertion about type of
698         symbol table.
700 2010-01-08  Ian Lance Taylor  <iant@google.com>
702         PR 11072
703         * layout.cc (Layout::include_section): Remove .gnu_debuglink
704         sections.
706 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
708         * version.cc (print_version): Change to "Copyright 2010".
710 2010-01-08  Ian Lance Taylor  <iant@google.com>
712         PR 10287
713         PR 11063
714         * i386.cc (class Target_i386): Change return type of plt_section
715         to be non-const.
716         (class Output_data_plt_i386): Add tls_desc_rel_ field.
717         (Output_data_plt_i386::Output_data_plt_i386): Initialize
718         tls_desc_rel_ field.
719         (Output_data_plt_i386::rel_tls_desc): New function.
720         (Target_i386::rel_tls_desc_section): New function.
721         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
722         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
723         R_386_TLS_DESC reloc in rel_tls_desc_section.
724         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
725         Define struct Tlsdesc_info.
726         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
727         (Target_x86_64::do_reloc_symbol_index): New function.
728         (Target_x86_64::add_tlsdesc_info): New function.
729         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
730         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
731         tlsdesc_rel_ field.
732         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
733         all callers.
734         (Output_data_plt_x86_64::rela_tlsdesc): New function.
735         (Target_x86_64::rela_tlsdesc_section): New function.
736         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
737         handling.
738         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
739         (Target_x86_64::do_reloc_addend): New function.
740         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
741         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
742         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
743         (Output_reloc::type): New function.
744         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
745         (Output_reloc::is_target_specific): New function.
746         (Output_reloc::target_arg): New function.
747         (class Output_reloc) [SHT_RELA]: Add four new constructors for
748         absolute relocs and target specific relocs.
749         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
750         add_target_specific.
751         (class Output_data_reloc) [SHT_RELA]: Likewise.
752         * output.cc (Output_reloc::Output_reloc): Add four new versions
753         for absolute relocs and target specific relocs.
754         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
755         (Output_reloc::get_symbol_index): Likewise.
756         (Output_reloc::local_section_offset): Check that local_sym_index_
757         is not TARGET_CODE or 0.
758         (Output_reloc::symbol_value): Likewise.
759         (Output_reloc::write) [SHT_RELA]: Call target for target specific
760         reloc.
761         * target.h (class Target): Add reloc_symbol_index and reloc_addend
762         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
763         functions.
764         * layout.cc (add_target_dynamic_tags): Use output section for
765         DT_PLTRELSZ and DT_JMPREL.
767 2010-01-07  Ian Lance Taylor  <iant@google.com>
769         PR 11061
770         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
771         function.
772         (class Output_data_reloc_generic): Define.
773         (class Output_data_reloc_base): Change base class to
774         Output_data_reloc_generic.  Change add() method to call
775         bump_relative_reloc_count for a relative reloc.  Remove
776         sort_relocs_ field.
777         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
778         to sort_relocs().
779         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
780         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
781         appropriate.
782         * layout.h (class Layout): Update declaration.
784 2010-01-07  Ian Lance Taylor  <iant@google.com>
786         * output.h (class Output_data): Add const version of
787         output_section and do_output_section.
788         (class Output_section_data): Add const version of
789         do_output_section.
790         (class Output_section): Likewise.
791         * layout.cc (Layout::add_target_dynamic_tags): New function.
792         * layout.h (class Layout): Update declarations.
793         * arm.cc (Target_arm::do_finalize_sections): Use
794         add_target_dynamic_tags.
795         * i386.cc (Target_i386::do_finalize_sections): Likewise.
796         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
797         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
798         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
800 2010-01-07  Ian Lance Taylor  <iant@google.com>
802         PR 11042
803         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
804         object as needed.
806 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
807             Ian Lance Taylor  <iant@google.com>
809         PR 11019
810         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
811         Xindex::read_symtab_xindex.
813 2010-01-07  Doug Kwan  <dougkwan@google.com>
815         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
816         (Insn_template::thumb16_bcond_insn): New method declaration.
817         (Insn_template): Fix spelling.
818         (Stub::thumb16_special): New method declaration.
819         (Stub::do_write): Define virtual method which was previously pure
820         virtual.
821         (Stub::do_thumb16_special): New method declaration.
822         (Stub::do_fixed_endian_write): New template member.
823         (Reloc_stub::do_write): Remove.
824         (Reloc_stub::do_fixed_endian_write): Remove.
825         (Cortex_a8_stub): New class definition.
826         (Stub_factory::make_cortex_a8_stub): New method definition.
827         (Stub_factory::Stub_factory): Add missing static storage class
828         qualifier for elf32_arm_stub_a8_veneer_blx.
830 2010-01-07  Ian Lance Taylor  <iant@google.com>
832         PR 10980
833         * options.h (class General_options): Add --warn-unresolved-symbols
834         and --error-unresolved-symbols.
835         * errors.cc (Errors::undefined_symbol): Implement
836         --warn-unresolved-symbols.
838         * options.h (class General_options): Add -z text and -z textoff.
839         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
841 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
843         * gc.h (Garbage_collection::Cident_section_map): New typedef.
844         (Garbage_collection::cident_sections): New function.
845         (Garbage_collection::add_cident_section): New function.
846         (Garbage_collection::cident_sections_): New member.
847         (gc_process_relocs): Add references to sections whose names are C
848         identifiers.
849         * gold.h (cident_section_start_prefix): New constant.
850         (cident_section_stop_prefix): New constant.
851         (is_cident): New function.
852         * layout.cc (Layout::define_section_symbols): Replace string constants
853         with the newly defined constants.
854         * object.cc (Sized_relobj::do_layout): Track sections whose names are
855         C identifiers.
856         * testsuite/Makefile.am: Add gc_orphan_section_test.
857         * testsuite/Makefile.in: Regenerate.
858         * testsuite/gc_orphan_section_test.cc: New file.
859         * testsuite/gc_orphan_section_test.sh: New file.
861 2010-01-06  Ian Lance Taylor  <iant@google.com>
863         PR 10980
864         * options.h (class General_options): Add --warn-shared-textrel.
865         * layout.cc (Layout::finish_dynamic_section): Implement
866         --warn-shared-textrel.
868         PR 10980
869         * options.h (class General_options): Add --warn-multiple-gp.
871 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
873         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
874         $(THREADSLIB) and $(LIBDL).
875         * Makefile.in: Rebuild.
877 2010-01-06  Ian Lance Taylor  <iant@google.com>
879         PR 10980
880         * options.cc (General_options::parse_section_start): New function.
881         (General_options::section_start): New function.
882         (General_options::General_options): Initialize all members.
883         * options.h: Include <map>
884         (class General_options): Add --section-start.  Add section_starts_
885         member.
886         * layout.cc (Layout::attach_allocated_section_to_segment): If
887         --section-start was used, set the address of the segment.  Remove
888         local sort_sections.
889         (Layout::relaxation_loop_body): If the address of the load segment
890         has been set by --section-start, don't use it.
891         * output.h (Output_segment::update_flags_for_output_section): New
892         function.
893         * output.cc (Output_segment::add_output_section): Call
894         update_flags_for_output_section.
896 2010-01-05  Ian Lance Taylor  <iant@google.com>
898         PR 10980
899         * options.h (class General_options): Add --undefined-version.
900         * script.cc (struct Version_expression): Add was_matched_by_symbol
901         field.
902         (Version_script_info::matched_symbol): New function.
903         (Version_script_info::get_symbol_version_helper): Call
904         matched_symbol.
905         (Version_script_info::check_unmatched_names): New function.
906         * script.h (class Version_script_info): Update declarations.
907         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
909         * options.h (class General_options): Use DEFINE_bool_alias for
910         allow_multiple_definition.
911         * resolve.cc (Symbol_table::should_override): Don't test
912         allow_multiple_definition.
914         PR 10980
915         * options.h (class General_options): Add --cref.
916         * main.cc (main): Print cref table if --cref.  Don't close mapfile
917         until after printing cref table.
918         * cref.cc: Include "symtab.h".
919         (class Cref_inputs): Define Cref_table_compare and Cref_table.
920         (Cref_table_compare::operator()): New function.
921         (Cref_inputs::gather_cref): New function.
922         (filecol): New static const.
923         (Cref_inputs::print_cref): New function.
924         (Cref::print_cref): New function.
925         * cref.h: Include <cstdio>.
926         (class Cref): Update declarations.
927         * mapfile.h (Mapfile::file): New function.
928         * object.h (class Object): Define Symbols.  Declare virtual
929         do_get_global_symbols.
930         (Object::get_global_symbols): New function.
931         * object.cc (Input_objects::add_object): Pass object to cref_ if
932         --cref.
933         (Input_objects::archive_start): Likewise.
934         (Input_objects::archive_stop): Likewise.
935         (Input_objects::print_cref): New function.
936         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
937         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
938         --cref.
939         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
940         function.
941         * plugin.h (class Sized_pluginobj): Update declarations.
943 2010-01-05  Ian Lance Taylor  <iant@google.com>
945         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
946         to is_default_version.  Rename insdef to insdefault.
947         (Symbol_table::add_from_relobj): Rename def to is_default_version
948         and local to is_forced_local.
949         (Symbol_table::add_from_pluginobj): Likewise.
950         (Symbol_table::add_from_dynobj): Likewise.
951         (Symbol_table::define_special_symbol): Rename insdef to
952         insdefault.
954 2010-01-04  Ian Lance Taylor  <iant@google.com>
956         PR 10980
957         * options.h (class General_options): Add
958         --allow-multiple-definition and -z muldefs.
959         * resolve.cc (Symbol_table::should_override): Don't warn about a
960         multiple symbol definition if --allow-multiple-definition or -z
961         muldefs.
963         PR 10980
964         * options.h (class General_options): Add --add-needed and
965         --copy-dt-needed-entries.  Tweak --as-needed help entry.
966         * object.cc (Input_objects::check_dynamic_dependencies): Give an
967         error if --copy-dt-needed-entries aka --add-needed is used and
968         would cause a change in behaviour.
970         PR 10980
971         * options.h (class General_options): Add -G as a short version of
972         --shared.  Add no-op options -assert, -g, and -i.
974 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
976         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
977         check for .text or .gnu.linkonce.t sections.
978         * icf.cc (Icf::find_identical_sections): Ditto.
979         Change the detection for mangled function name within the section
980         name.
981         * icf.h (is_section_foldable_candidate): New function.
983 2009-12-30  Ian Lance Taylor  <iant@google.com>
985         PR 10980
986         * options.h (class General_options): Permit two dashes with
987         --retain-symbols-file.
989 2009-12-30  Ian Lance Taylor  <iant@google.com>
991         PR 10979
992         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
993         don't put the file header and segment headers in the text
994         segment.
996         PR 10979
997         * common.cc (Sort_commons::operator()): Stabilize sort when both
998         entries are NULL.
999         (Symbol_table::do_allocate_commons_list): When allocating common
1000         symbols, skip a symbol which is no longer common.
1001         * symtab.h (Symbol::is_common): Test whether the symbol comes from
1002         an object before checking its type.
1003         * testsuite/common_test_2.c: New file.
1004         * testsuite/common_test_3.c: New file.
1005         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1006         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1007         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1008         (common_test_2_pic.o, common_test_2.so): New targets.
1009         (common_test_3_pic.o, common_test_3.so): New targets.
1010         * testsuite/Makefile.in: Rebuild.
1012         PR 10979
1013         * script.cc (read_input_script): If we see a new SECTIONS clause,
1014         and we have added an input section, give an error.
1015         * layout.h (class Layout): Add have_added_input_section function.
1016         Add have_added_input_section_ field.
1017         * layout.cc (Layout::Layout): Initialize
1018         have_added_input_section_.
1019         (Layout::layout): Set have_added_input_section_.
1020         (Layout::layout_eh_frame): Likewise.
1022 2009-12-30  Ian Lance Taylor  <iant@google.com>
1024         PR 10931
1025         * options.h (class General_options): Add --sort-common option.
1026         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1027         * common.cc (Sort_common): Add sort_order parameter to
1028         constructor.  Add sort_order_ field.
1029         (Sort_commons::operator): Check sort_order_.
1030         (Symbol_table::allocate_commons): Determine the sort order.
1031         (Symbol_table::do_allocate_commons): Add sort_order parameter.
1032         Change all callers.
1033         (Symbol_table::do_allocate_commons_list): Likewise.
1035 2009-12-30  Ian Lance Taylor  <iant@google.com>
1037         PR 10916
1038         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1039         symbols from this object, don't change the visibility of an
1040         undefined symbol.
1041         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1043 2009-12-30  Ian Lance Taylor  <iant@google.com>
1045         PR 10861
1046         * script.h (class Version_script_info): Define Language enum.
1047         Update declarations.  Define Glob, Exact, and Lookup types.  Add
1048         new fields globals_, locals_, and is_finalized_.
1049         * script.cc: Various formatting fixes.
1050         (class Parser_closure): Change language_stack_ from a vector of
1051         std::string to one of Version_script_info::Language.  Adjust all
1052         uses accordingly.
1053         (class Lazy_demangler): Remove.
1054         (struct Version_expression): Change language from std::string to
1055         Version_script_info::Language.
1056         (Version_script_info::Version_script_info): New function.
1057         (Version_script_info::~Version_script_info): Don't call clear.
1058         (Version_script_info::finalize): New function.
1059         (Version_script_info::build_lookup_tables): New function.
1060         (Version_script_info::build_expression_list_lookup): New
1061         function.
1062         (Version_script_info::get_symbol_version_helper): Rewrite to use
1063         lookup tables.
1064         (Version_script_info::print_expression_list): Adjust to use
1065         Version_script_info::Language.
1066         (script_push_lex_into_version_mode): Check that the version script
1067         has not been finalized.
1068         (version_script_push_lang): Change language string to
1069         Version_script_info::Language.
1070         * options.cc (Command_line::version_script): New function.
1071         * options.h (class General_options): Add finalize_dynamic_list
1072         function.  Change version_script from declaration to definition.
1073         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
1074         * testsuite/version_script.map: Remove duplicate def of foo.
1075         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
1076         version_script.map.
1077         * testsuite/Makefile.in: Rebuild.
1079 2009-12-30  Ian Lance Taylor  <iant@google.com>
1081         PR 10843
1082         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
1083         if the input symbol index is 0, make the output symbol index 0.
1085 2009-12-30  Ian Lance Taylor  <iant@google.com>
1087         PR 10670
1088         * options.h (class General_options): Add -x/--discard-all.
1089         * object.cc (Sized_relobj::do_count_local_symbols): Handle
1090         --discard-all.  If the local symbol needs a dynamic entry, check
1091         that before handling --discard-locals.
1093 2009-12-30  Ian Lance Taylor  <iant@google.com>
1095         PR 10450
1096         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
1097         flags to PF_R.
1098         (Output_segment::add_output_section): Don't change the flags if
1099         the type is PT_TLS.
1101         PR 10450
1102         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
1103         GNU hash table if they need a dynamic value.  Otherwise, don't add
1104         them if they are defined in a dynamic object or are forced local.
1106 2009-12-29  Ian Lance Taylor  <iant@google.com>
1108         PR 10450
1109         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
1110         .gnu.hash table for a 32-bit target.
1112         PR 10450
1113         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
1114         regular and a dynamic object only needs a dynamic symbol table
1115         entry if it is externally visible.
1117         PR 10450
1118         * i386.cc (class Target_i386): Initialize global_offset_table_ in
1119         constructor.  Add global_offset_table_ field.
1120         (Target_i386::got_section): Set global_offset_table_.
1121         (Target_i386::do_finalize_sections): Set global_offset_table_
1122         size.
1123         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
1124         in constructor.  Add global_offset_table_ field.
1125         (Target_x86_64::got_section): Set global_offset_table_.
1126         (Target_x86_64::do_finalize_sections): Set global_offset_table_
1127         size.
1129         * layout.cc (Layout::Layout): Initialize increase_relro_.
1130         (Layout::get_output_section): Add is_relro, is_last_relro, and
1131         is_first_non_relro parameters.  Change all callers.
1132         (Layout::choose_output_section): Likewise.
1133         (Layout::add_output_section_data): Likewise.
1134         (Layout::make_output_section): Likewise.
1135         (Layout::set_segment_offsets): Clear increase_relro when using a
1136         linker script.
1137         * layout.h (class Layout): Add increase_relro method.  Add
1138         increase_relro_ field.  Update declarations.
1139         * output.cc (Output_section::Output_section): Initialize
1140         is_last_relro_ and is_first_non_relro_.
1141         (Output_segment::add_output_section): Group relro sections is
1142         do_sort is true.  Handle is_last_relro and is_first_non_relro.
1143         (Output_segment::maximum_alignment): Remove relro handling.
1144         (Output_segment::set_section_addresses): Add increase_relro
1145         parameter.  Change all callers.  Add initial alignment to align
1146         relro sections on separate page.  Remove old relro handling.
1147         (Output_segment::set_section_list_addresses): Remove in_relro
1148         parameter.  Change all callers.
1149         (Output_segment::set_offset): Add increase parameter.  Change all
1150         callers.  Remove old relro handling.
1151         * output.h (class Output_section): Add new methods: is_last_relro,
1152         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
1153         Add is_last_relro_ and is_first_non_relro_ fields.
1154         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
1155         Create separate .got.plt section.  Call increase_relro.
1156         * x86_64.cc (Target_x86_64::got_section): Likewise.
1157         * testsuite/relro_script_test.t: Add .got.plt.
1159         PR 10450
1160         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
1161         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
1162         (Layout::finalize): Call set_dynamic_symbol_size.
1163         (Layout::set_dynamic_symbol_size): New function.
1164         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
1165         set_dynamic_symbol_size.
1167         PR 10450
1168         * output.h (class Output_section): Add is_entsize_zero_ field.
1169         * output.cc (Output_section::Output_section): Initialize
1170         is_entsize_zero_.
1171         (Output_section::set_entsize): If two different entsizes are
1172         requested, force it to zero.
1173         (Output_section::add_input_section): Set flags for .debug_str
1174         before updating section flags.  Set entsize.
1175         (Output_section::update_flags_for_input_section): Set SHF_MERGE
1176         and SHF_STRING if all input sections have those flags.
1178 2009-12-29   Rafael Espindola  <espindola@google.com>
1180         * main.cc (main): Fix the sys time reporting.
1181         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
1182         reporting.
1184 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
1186         * options.cc (General_options::parse_version): Allow -v to exit
1187         without an error if there is nothing to link.
1189 2009-12-29  Ian Lance Taylor  <iant@google.com>
1191         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
1192         using a version of gcc before 4.1.
1193         * configure: Rebuild.
1195 2009-12-28  Chris Demetriou  <cgd@google.com>
1197         * attributes.cc (Output_attributes_section_data::do_write): Use
1198         std::vector::front rather than std::vector::data.
1200 2009-12-28  Ian Lance Taylor  <iant@google.com>
1202         * symtab.h (class Symbol_table): Add enum Defined.
1203         * resolve.cc (Symbol_table::should_override): Add defined
1204         parameter.  Change all callers.  Test whether object is NULL
1205         before calling a method on it.
1206         (Symbol_table::report_resolve_problem): Add defined parameter.
1207         Change all callers.
1208         (Symbol_table::should_override_with_special): Likewise.
1209         * symtab.cc (Symbol_table::define_in_output_data): Add defined
1210         parameter.  Change all callers.
1211         (Symbol_table::do_define_in_output_data): Likewise.
1212         (Symbol_table::define_in_output_segment): Likewise.
1213         (Symbol_table::do_define_in_output_segment): Likewise.
1214         (Symbol_table::define_as_constant): Likewise.
1215         (Symbol_table::do_define_as_constant): Likewise.
1216         * script.h (class Symbol_assignment): Add is_defsym parameter to
1217         constructor; change all callers.
1218         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
1219         parameter.  Change all callers.  Add is_defsym_ field.
1220         (class Parser_closure): Add parsing_defsym parameter to
1221         constructor; change all callers.  Add parsing_defsym accessor
1222         function.  Add parsing_defsym_ field.
1224 2009-12-28  Ian Lance Taylor  <iant@google.com>
1226         * gold.cc (queue_middle_tasks): Fix formatting.
1227         * object.cc (Relobj::is_section_name_included): Likewise.
1229 2009-12-23  Ian Lance Taylor  <iant@google.com>
1231         * i386.cc (Target_i386::do_calls_non_split): Recognize
1232         -fsplit-stack prologue for a function with a static chain.
1233         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
1234         -fsplit-stack prologue when using %r11.
1236 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
1238         * options.cc (General_options::parse_version): Make -v continue and do
1239         the link like GNU ld does.
1241 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
1243         * Makefile.am (CCFILES): Add timer.cc.
1244         (HFILES): Add timer.h.
1245         * configure.ac: Check for sysconf and times.
1246         * main.cc: include timer.h.
1247         (main): Use Timer instead of get_run_time.
1248         * timer.cc: New.
1249         * timer.h: New.
1250         * workqueue.cc: include timer.h.
1251         (Workqueue::find_and_run_task):
1252         Report user, sys and wall time.
1253         * Makefile.in: Regenerate.
1254         * config.in: Regenerate.
1255         * configure: Regenerate.
1257 2009-12-16  Doug Kwan  <dougkwan@google.com>
1259         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
1260         sections.
1261         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
1262         relaxed input sections.
1263         * output.cc (Output_section::find_relaxed_input_section): Change
1264         return type to Output_relaxed_input_section pointer.  Adjust code
1265         for new type of relaxed_input_section_map_.
1266         * output.h (Output_section::find_relaxed_input_section): Change
1267         return type to Output_relaxed_input_section pointer.
1268         (Output_section::Output_relaxed_input_section_by_input_section_map):
1269         New type.
1270         (Output_section::relaxed_input_section_map_): Change type to
1271         Output_section::Output_relaxed_input_section_by_input_section_map.
1272         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
1273         input section.
1275 2009-12-15  Ian Lance Taylor  <iant@google.com>
1277         * layout.cc (Layout::create_shstrtab): Only write out after input
1278         sections if we are compressing debug sections.
1280 2009-12-15  Ian Lance Taylor  <iant@google.com>
1282         * archive.cc (Archive::add_symbols): Only look up a symbol without
1283         a version if there is, in fact, a version.
1285 2009-12-14  Ian Lance Taylor  <iant@google.com>
1287         Revert -Wshadow changes, all changes from:
1288         2009-12-11  Doug Kwan  <dougkwan@google.com>
1289         2009-12-11  Nick Clifton  <nickc@redhat.com>
1290         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
1292 2009-12-11  Doug Kwan  <dougkwan@google.com>
1294         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
1295         due to -Wshadow.
1296         * attributes.cc (Object_attribute::size): Ditto.
1297         (Attributes_section_data::size): Ditto.
1298         (Attributes_section_data::Attributes_section_data): Ditto.
1299         (Output_attributes_section_data::do_write): Ditto.
1300         * attributes.h (Object_attribute::set_type): Ditto.
1301         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
1303 2009-12-11  Nick Clifton  <nickc@redhat.com>
1305         * archive.cc: Fix shadowed variable warnings.
1306         * arm.cc: Likewise.
1307         * compressed_output.cc: Likewise.
1308         * compressed_output.h: Likewise.
1309         * configure: Likewise.
1310         * dwarf_reader.cc: Likewise.
1311         * dynobj.cc: Likewise.
1312         * dynobj.h: Likewise.
1313         * ehframe.cc: Likewise.
1314         * ehframe.h: Likewise.
1315         * errors.cc: Likewise.
1316         * expression.cc: Likewise.
1317         * fileread.cc: Likewise.
1318         * fileread.h: Likewise.
1319         * freebsd.h: Likewise.
1320         * i386.cc: Likewise.
1321         * icf.cc: Likewise.
1322         * incremental.h: Likewise.
1323         * layout.cc: Likewise.
1324         * layout.h: Likewise.
1325         * mapfile.cc: Likewise.
1326         * merge.cc: Likewise.
1327         * merge.h: Likewise.
1328         * object.cc: Likewise.
1329         * object.h: Likewise.
1330         * options.h: Likewise.
1331         * output.cc: Likewise.
1332         * output.h: Likewise.
1333         * parameters.cc: Likewise.
1334         * plugin.cc: Likewise.
1335         * powerpc.cc: Likewise.
1336         * reduced_debug_output.cc: Likewise.
1337         * reduced_debug_output.h: Likewise.
1338         * reloc.cc: Likewise.
1339         * reloc.h: Likewise.
1340         * resolve.cc: Likewise.
1341         * script-sections.cc: Likewise.
1342         * script.cc: Likewise.
1343         * script.h: Likewise.
1344         * sparc.cc: Likewise.
1345         * symtab.cc: Likewise.
1346         * symtab.h: Likewise.
1347         * target-select.cc: Likewise.
1348         * target-select.h: Likewise.
1349         * token.h: Likewise.
1350         * workqueue.cc: Likewise.
1351         * workqueue.h: Likewise.
1352         * x86_64.cc: Likewise.
1354 2009-12-10  Doug Kwan  <dougkwan@google.com>
1356         * arm.cc (attributes.h): New include.
1357         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
1358         (Arm_relobj::~Arm_relobj): Delete object pointed by
1359         attributes_section_data_.
1360         (Arm_relobj::attributes_section_data): New method definition.
1361         (Arm_relobj::attributes_section_data_): New data member declaration.
1362         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
1363         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
1364         attributes_section_data_.
1365         (Arm_dynobj::attributes_section_data): New method definition.
1366         (Arm_dynobj::attributes_section_data_): New data member declaration.
1367         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
1368         initialization value of may_use_blx_ to false.
1369         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
1370         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
1371         object attributes to compute results instead of hard-coding.
1372         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
1373         Target_arm::get_secondary_compatible_arch,
1374         Target_arm::set_secondary_compatible_arch
1375         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1376         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
1377         New method declarations.
1378         (Target_arm::get_aeabi_object_attribute): New method definition.
1379         (Target_arm::attributes_section_data_): New data member declaration.
1380         (read_arm_attributes_section): New template definition.
1381         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
1382         (Arm_dynobj::do_read_symbols): Ditto.
1383         (Target_arm::do_finalize_sections): Merge attributes sections from
1384         input.  Check for BLX use after attributes section merging.
1385         Fix __exidx_start and __exidx_end visibility.  Create an
1386         .ARM.attributes section if necessary.
1387         (Target_arm::get_secondary_compatible_arch,
1388         Target_arm::set_secondary_compatible_arch,
1389         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1390         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
1391         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
1392         New method definitions.
1394 2009-12-09  Ian Lance Taylor  <iant@google.com>
1396         * plugin.cc (Plugin::load): Don't cast from void* to a function
1397         pointer.
1399 2009-12-09  Ian Lance Taylor  <iant@google.com>
1401         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
1402         information fields.
1404 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
1406         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
1407         Replace two_file_shared_1.so with two_file_shared_2.so.
1408         * testsuite/Makefile.in: Regenerated.
1410 2009-12-08  Doug Kwan  <dougkwan@google.com>
1412         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
1413         (HFILES): Add attributes.h and int_encoding.h.
1414         * Makefile.in: Regenerate.
1415         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
1416         function definitions to int_encoding.cc
1417         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
1418         prototypes to int_encoding.h
1419         * reduced_debug_output.cc (int_encoding.h): New include.
1420         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
1421         function definitions to int_encoding.cc
1422         (insert_into_vector, read_from_pointer): Move template definitions to
1423         int_encoding.h
1424         * attributes.cc: New file.
1425         * attributes.h: New file.
1426         * int_encoding.cc: New file.
1427         * int_encoding.h: New file.
1429 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
1431         PR gold/11055
1432         * incremental-dump.cc (dump_incremental_inputs): New.
1433         (main): Use dump_incremental_inputs.
1435 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
1437         PR gold/10893
1438         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
1439         checking elfcpp::STT_FUNC.
1440         (Target_i386::Relocate::relocate): Likewise.
1441         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1443         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
1444         symbols from shared libraries into normal FUNC symbols.
1446         * symtab.h (Symbol): Add is_func and use it.
1448 2009-12-05  Doug Kwan  <dougkwan@google.com>
1450         * arm.cc (Target_arm::arm_info): Initialize new fields
1451         attributes_section and attributes_vendor.
1452         * i386.cc (Target_i386::i386_info): Same.
1453         * object.cc (Sized_relobj::do_layout): Skip attribute section.
1454         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
1455         fields attributes_section and attributes_vendor.
1456         * sparc.cc (Target_sparc::sparc_info): Same.
1457         * target.h (Target::attributes_section, Target::attributes_vendor,
1458         Target::is_attributes_section, Target::attribute_arg_type,
1459         Target::attributes_order): New method definitions.
1460         (Target::Target_info::attributes_section,
1461         Target::Target_info::attributes_vendor): New fields.
1462         (Target::do_attribute_arg_type, Target::do_attributes_order): New
1463         virtual method definitions.
1464         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
1465         attributes_section and attributes_vendor.
1466         * testsuite/testfile.cc (Target_test::test_target_info): Same.
1468 2009-12-05  Doug Kwan  <dougkwan@google.com>
1470         * arm.cc: Update comments about interworking and stub generation.
1471         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
1472         considered as non-PIC.
1473         (Arm_relocate_functions::base_abs): Fix formatting.
1474         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
1475         of function to use GOT entry address instead of offset.
1476         (Target_arm::Scan::global): Issue an error if a symbol would need a
1477         PLT does not get one because it is untyped.  Remove code to create
1478         dynamic symbols for relative branches.
1479         (Target_arm::Relocate::relocate: Use 0 instead of false since function
1480         takes unsigned integer instead of boolean.
1482 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
1484         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
1485         (two_file_test_LDADD): Likewise.
1486         (common_test_1_LDADD): Likewise.
1487         (exception_test_LDADD) Likewise.
1488         (weak_test_LDADD): Likewise.
1489         (many_sections_test_LDADD): Likewise.
1490         (initpri1_LDADD): Likewise.
1491         (script_test_1_LDADD): Likewise.
1492         (script_test_2_LDADD): Likewise.
1493         (justsyms_LDADD): Likewise.
1494         (binary_test_LDADD): Likewise.
1495         (large_LDADD): Likewise.
1496         * testsuite/Makefile.in: Regenerated.
1498 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
1500         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
1501         (Symbol_table::override_with_special): Likewise.
1502         (Symbol_table::add_from_object): Likewise.
1504 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1506         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1507         Don't set the data_offset twice.
1509 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1511         * testsuite/Makefile.in: Regenerate.
1513 2009-12-03  Doug Kwan  <dougkwan@google.com>
1515         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
1516         (Target_arm::do_finalize_sections): Add parameter for symbol table
1517         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
1518         * i386.cc (Target_i386::do_finalize_sections): Add an additional
1519         parameter for symbol table pointer.
1520         * layout.cc (Layout::finalize): Call Target::finalize_sections with
1521         an additional parameter for a pointer to symbol table.
1522         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
1523         parameter for a symbol table pointer.
1524         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
1525         * target.h (Target::finalize_sections, Target::do_finalize_sections):
1526         Ditto.
1527         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
1528         parameter for a symbol table pointer.
1530 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
1532         * incremental.cc (Incremental_inputs_header)
1533         (Incremental_inputs_header_write, Incremental_inputs_entry)
1534         (Incremental_inputs_entry_write): Move ...
1535         * incremental.h (Incremental_inputs_header)
1536         (Incremental_inputs_header_write, Incremental_inputs_entry)
1537         (Incremental_inputs_entry_write): here.
1539 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1541         * incremental.cc (make_sized_incremental_binary): Set the target.
1542         Error if it is incompatible.
1543         * output.h (Output_file): Add filename method.
1545 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1547         * incremental.cc (Incremental_inputs_entry): Remove unused argument
1548         from the get_* methods.
1550 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1552         * incremental-dump.cc (main): Check that the offeset of a script is 0.
1553         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1554         Write 0 for the data_offset of scripts.
1556 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1558         * testsuite/Makefile.am: Add the incremental_test.sh test.
1559         * testsuite/incremental_test.sh: New.
1560         * testsuite/incremental_test_1.c: New.
1561         * testsuite/incremental_test_2.c: New.
1563 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
1565        * incremental-dump.cc (main): Fix typos.
1567 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
1569         PR gold/11025
1570         * incremental-dump.cc (main): Use llu to print 64 bit values.
1572 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
1573             H.J. Lu  <hongjiu.lu@intel.com>
1575         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
1576         $(LIBDL).
1577         (incremental_dump_LDADD): Likewise.
1578         * Makefile.in: Regenerated.
1580 2009-11-25  Doug Kwan  <dougkwan@google.com>
1581         
1582         Revert:
1584         2009-11-25  Doug Kwan  <dougkwan@google.com>
1586                 * arm.cc (Target_arm::Target_arm): Move method definition
1587                 outside of class definition.  Add code to handle
1588                 --target1-rel, --target1-abs and --target2= options.
1589                 (Target_arm::get_reloc_reloc_type): Change method to be
1590                 non-static and const.
1591                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
1592                 New data member declaration.
1593                 (Target_arm::Scan::local, Target_arm::Scan::global,
1594                 Target_arm::Relocate::relocate,
1595                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1596                 Adjust call to Target_arm::get_real_reloc_type.
1597                 (Target_arm::get_real_reloc_type): Use command line options
1598                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1599                 * options.h (--target1-rel, --target1-abs, --target2): New
1600                 ARM-only options.
1602 2009-11-25  Doug Kwan  <dougkwan@google.com>
1604         * arm.cc (Target_arm::Target_arm): Move method definition outside of
1605         class definition.  Add code to handle --target1-rel, --target1-abs
1606         and --target2= options.
1607         (Target_arm::get_reloc_reloc_type): Change method to be non-static
1608         and const.
1609         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
1610         member declaration.
1611         (Target_arm::Scan::local, Target_arm::Scan::global,
1612         Target_arm::Relocate::relocate,
1613         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
1614         call to Target_arm::get_real_reloc_type.
1615         (Target_arm::get_real_reloc_type): Use command line options to
1616         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1617         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
1618         options.
1620 2009-11-25  Doug Kwan  <dougkwan@google.com>
1622         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
1623         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
1624         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
1625         formatting.
1626         (Arm_relocate_functions::thm_call): Replace body with a call to
1627         Arm_relocate_functions::thumb_branch_common.
1628         (Arm_relocate_functions::thm_jump24,
1629         Arm_relocate_functions::thm_xpc22): New method definitions.
1630         (Arm_relocate_functions::thumb_branch_common): New method definition.
1631         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
1632         operator.
1633         (Target_arm::Relocate::relocate): Adjust call to thm_call.
1634         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
1636 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1638         * Makefile.am: Build incremental-dump
1639         * Makefile.in: Regenerate.
1640         * incremental-dump.cc: New.
1641         * incremental.cc (Incremental_inputs_header_data,
1642         Incremental_inputs_entry_data): Move to incremental.h
1643         * incremental.h: (Incremental_inputs_header_data,
1644         Incremental_inputs_entry_data): Move from incremental.cc
1646 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1648         * incremental.cc (Incremental_inputs_header,
1649         Incremental_inputs_header_write, Incremental_inputs_entry,
1650         Incremental_inputs_entry_write): Add a typedef with the data type.
1652 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1654         * incremental.cc (Incremental_inputs_header,
1655         Incremental_inputs_header_write, Incremental_inputs_entry,
1656         Incremental_inputs_entry_write): Update comment about which
1657         type has the filed descriptions.
1659 2009-11-15  Doug Kwan  <dougkwan@google.com>
1661         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
1662         (Arm_relocate_functions::arm_branch_common): Change method defintion
1663         in class definition to a method declaration and update list of formal
1664         parameters.
1665         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
1666         Arm_relocation_functions::jump24): Adjust call to
1667         Arm_relocate_functions::arm_branch_common.  Update list of formal
1668         parameters.
1669         (Arm_relocate_functions::xpc25): New method definition.
1670         (Arm_relocate_functions::arm_branch_common): Move method defintion
1671         out from class definition.  Use stubs for mode-switching and extending
1672         branch ranges.
1673         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
1674         specially.  Change code to enable use of stubs in ARM branches.
1676 2009-11-10  Doug Kwan  <dougkwan@google.com>
1678         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
1679         in method declaration.
1680         (Target_arm::relocate_stub): New method declaration.
1681         (Target_arm::default_target): Change to return a pointer instead of
1682         a const reference.
1683         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
1684         Target_arm::default_target.
1685         (Arm_Relobj::do_relocate_sections): Remove options paramater in
1686         method definition.
1687         (Target_arm::relocate_section): Adjust view.
1688         (Target_arm::relocate_stub): New method definition.
1690 2009-11-10  Doug Kwan  <dougkwan@google.com>
1692         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
1693         a format warning.
1694         * incremental.cc (open_incremental_binary): Initialized local
1695         variables to avoid warnings.
1696         * object.cc (make_elf_object): Ditto.
1697         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
1698         a format warning.
1700 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
1702         PR gold/10930
1703         * testsuite/plugin_test.c: Include "config.h".
1705 2009-11-09  Doug Kwan  <dougkwan@google.com>
1707         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
1708         (arm_symbol_value): Remove.
1709         (Arm_relocate_functions::arm_branch_common,
1710         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
1711         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
1712         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
1713         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
1714         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
1715         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
1716         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
1717         Arm_relocate_functions::thm_mobw_abs_nc,
1718         Arm_relocate_functions::thm_mov_abs,
1719         Arm_relocate_functions::movw_prel_nc,
1720         Arm_relocate_functions::thm_movt_abs,
1721         Arm_relocate_functions::movt_prel,
1722         Arm_relocate_functions::thm_movw_prel_nc,
1723         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
1724         (Target_arm::Relocate::relocate): Only decompose address into two
1725         parts if relocation type uses the thumb-bit and pass the actual
1726         bit instead of a flag indicating that the thumb-bit is used.  Adjust
1727         calls to methods in Arm_relocate_functions for this change.
1729 2009-11-08  Ian Lance Taylor  <iant@google.com>
1731         PR 10925
1732         * reloc.cc: Instantiate
1733         Sized_relobj::initialize_input_to_output_maps and
1734         Sized_relobj:free_input_to_output_maps.
1736 2009-11-06  Ian Lance Taylor  <iant@google.com>
1738         PR 10876
1739         * defstd.cc (in_segment): Set only_if_ref true for "end".
1741 2009-11-06  Doug Kwan  <dougkwan@google.com>
1743         * arm.cc (class Reloc_stub): Correct a comment.
1744         (Target_arm::Target_arm): Initialize arm_input_section_map_.
1745         (Target_arm::scan_section_for_stubs): New method declaration.
1746         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
1747         Change methods from private to protected.
1748         (Target_arm::do_may_relax): New method definition.
1749         (Target_arm::do_relax, Target_arm::group_sections,
1750         Target_arm::scan_reloc_for_stub,
1751         Target_arm::scan_reloc_section_for_stubs): New method declarations.
1752         (Target_arm::arm_input_section_map_): New data member declaration.
1753         (Target_arm::scan_reloc_for_stub,
1754         Target_arm::scan_reloc_section_for_stubs,
1755         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
1756         Target_arm::do_relax): New method definitions.
1758 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
1760         * configure.ac: Check for (struct stat)::st_mtim
1761         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
1762         * config.in: Regenerate.
1763         * configure: Regenerate.
1765 2009-11-05  Ian Lance Taylor  <iant@google.com>
1767         PR 10910
1768         * output.cc (Output_segment::add_output_section): Add missing
1769         return statement.
1771 2009-11-04  Ian Lance Taylor  <iant@google.com>
1773         PR 10880
1774         * object.h (class Object): Add is_needed and set_is_needed
1775         methods.  Add is_needed_ field.  Make bool fields into bitfields.
1776         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
1777         defined in a dynamic object and referenced by a regular object,
1778         set is_needed for the dynamic object.
1779         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
1780         if the file is marked with as_needed and it is not needed.
1782 2009-11-04  Ian Lance Taylor  <iant@google.com>
1784         PR 10887
1785         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
1786         tags if data is discarded by linker script.
1787         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1788         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1789         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1790         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1792 2009-11-04  Ian Lance Taylor  <iant@google.com>
1794         * layout.cc (Layout::get_output_section): Add is_interp and
1795         is_dynamic_linker_section parameters.  Change all callers.
1796         (Layout::choose_output_section): Likewise.
1797         (Layout::make_output_section): Likewise.
1798         (Layout::add_output_section_data): Add is_dynamic_linker_section
1799         parameter.  Change all callers.
1800         * layout.h (class Layout): Update declarations.
1801         * output.h (class Output_section): Add is_interp, set_is_interp,
1802         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
1803         Add is_interp_, is_dynamic_linker_section_ fields.  Change
1804         generate_code_fills_at_write_ to a bitfield.
1805         * output.cc (Output_section::Output_sections): Initialize new
1806         fields.
1807         (Output_segment::add_output_section): Add do_sort parameter.
1808         Change all callers.
1810 2009-11-03  Ian Lance Taylor  <iant@google.com>
1812         PR 10860
1813         * options.h (class General_options): Add --warn-common.
1814         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
1815         merging two common symbols.
1816         (Symbol_table::should_override): Handle --warn-common when merging
1817         a common symbol with a defined symbol.  Use report_resolve_problem
1818         for multiple definitions.
1819         (Symbol_table::report_resolve_problem): New function.
1820         * symtab.h (class Symbol_table): Declare report_resolve_problem.
1822 2009-11-03  Doug Kwan  <dougkwan@google.com>
1824         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
1825         stub_factory_.
1826         (Target_arm::stub_factory): New method definition.
1827         (Target_arm::new_arm_input_section,
1828         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
1829         Target_arm::reloc_uses_thumb_bit): New method declarations.
1830         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
1831         New type definitions.
1832         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
1833         member declarations.
1834         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
1835         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
1836         New method definitions.
1838 2009-11-03  Ian Lance Taylor  <iant@google.com>
1840         * options.h (class General_options): Add --warn_constructors.
1842 2009-11-03  Ian Lance Taylor  <iant@google.com>
1844         PR 10893
1845         * defstd.cc (in_section): Add entries for __rel_iplt_start,
1846         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
1848 2009-11-03  Ian Lance Taylor  <iant@google.com>
1850         PR 10895
1851         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
1852         --msgid-bugs-address.
1853         (install-pdf): New target.
1854         (install-data_yes): Look up one directory to find mkinstalldirs.
1856 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
1858         * po/Make-in (.po.gmo): Don't generate .gmo files in source
1859         tree.
1861 2009-10-30  Doug Kwan  <dougkwan@google.com>
1863         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
1865 2009-10-30  Doug Kwan  <dougkwan@google.com>
1867         * arm.cc (Stub_addend_reader): New struct template definition
1868         and partial specializations.
1869         (Stub_addend_reader::operator()): New method definition for a
1870         partially specialized template.
1872 2009-10-30  Doug Kwan  <dougkwan@google.com>
1874         * arm.cc (Arm_relobj::processor_specific_flags): New method
1875         definition.
1876         (Arm_relobj::do_read_symbols): New method declaration.
1877         (Arm_relobj::processor_specific_flags_): New data member declaration.
1878         (Arm_dynobj): New class definition.
1879         (Target_arm::do_finalize_sections): Add input_objects parameter.
1880         (Target_arm::do_adjust_elf_header): New method declaration.
1881         (Target_arm::are_eabi_versions_compatible,
1882         (Target_arm::merge_processor_specific_flags): New method declaration.
1883         (Target_arm::do_make_elf_object): New overloaded method definitions
1884         and declaration.
1885         (Arm_relobj::do_read_symbols): New method definition.
1886         (Arm_dynobj::do_read_symbols): Ditto.
1887         (Target_arm::do_finalize_sections): Add input_objects parameters.
1888         Merge processor-specific flags from all input objects.
1889         (Target_arm::are_eabi_versions_compatible,
1890         Target_arm::merge_processor_specific_flags,
1891         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
1892         New method definitions.
1893         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
1894         Input_objects pointer type parameter.
1895         * layout.cc (Layout::finalize): Pass input objects to target's.
1896         finalize_sections function.
1897         * output.cc (Output_file_header::do_sized_write): Set ELF file
1898         header's processor-specific flags.
1899         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1900         Input_objects pointer type parameter.
1901         * sparc.cc (Target_sparc::do_finalize_sections): Same.
1902         * target.h (Input_objects): New forward class declaration.
1903         (Target::processor_specific_flags,
1904         Target::are_processor_specific_flags_sect): New method definitions.
1905         (Target::finalize_sections): Add input_objects parameter.
1906         (Target::Target): Initialize processor_specific_flags_ and
1907         are_processor_specific_flags_set_.
1908         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1909         parameter.
1910         (Target::set_processor_specific_flags): New method definition.
1911         (Target::processor_specific_flags_,
1912         Target::are_processor_specific_flags_set_): New data member
1913         declarations.
1914         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1915         Input_objects pointer type parameter.
1917 2009-10-30  Doug Kwan  <dougkwan@google.com>
1919         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1921 2009-10-28  Ian Lance Taylor  <iant@google.com>
1923         * object.h (class Relobj): Drop options parameter from
1924         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1925         do_scan_relocs, do_relocate.  Change all callers.
1926         (class Sized_relobj): Drop options parameters from
1927         do_gc_process_relocs, do_scan_relocs, do_relocate,
1928         do_relocate_sections, relocate_sections, emit_relocs_scan,
1929         emit_relocs_scan_reltype.  Change all callers.
1930         (struct Relocate_info): Remove options field and all references to
1931         it.
1932         * reloc.h (class Read_relocs): Remove options constructor
1933         parameter and options_ field.  Change all callers.
1934         (class Gc_process_relocs, class Scan_relocs): Likewise.
1935         (class Relocate_task): Likewise.
1936         * target-reloc.h (scan_relocs): Remove options parameter.  Change
1937         all callers.
1938         (scan_relocatable_relocs): Likewise.
1939         * target.h (class Sized_target): Remove options parameter from
1940         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
1941         all callers.
1942         * gc.h (gc_process_relocs): Remove options parameter.  Change all
1943         callers.
1944         * arm.cc: Update functions to remove options parameters.
1945         * i386.cc: Likewise.
1946         * powerpc.cc: Likewise.
1947         * sparc.cc: Likewise.
1948         * x86_64.cc: Likewise.
1949         * testsuite/testfile.cc: Likewise.
1951 2009-10-28  Doug Kwan  <dougkwan@google.com>
1953         * arm.cc (Arm_relobj): New class definition.
1954         (Arm_relobj::scan_sections_for_stubs, 
1955         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1956         New method definitions.
1958 2009-10-28  Cary Coutant  <ccoutant@google.com>
1960         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1961         (Plugin::cleanup_done_): New member.
1962         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1963         (Plugin_manager::cleanup_done_): Remove.
1964         (Plugin_manager::add_input_file): Edit error message.
1965         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1966         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1968 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
1970         * fileread.cc: (File_read::View::~View): Use the new
1971         data_ownership_ filed.
1972         (File_read::~File_read): Dispose the new whole_file_view_.
1973         (File_read::open): Mmap the whole file if needed.
1974         (File_read::open): Use whole_file_view_ instead of contents_.
1975         (File_read::find_view): Use whole_file_view_ if applicable.
1976         (File_read::do_read): Use whole_file_view_ instead of contents_.
1977         (File_read::make_view): Use whole_file_view_ instead of contents_,
1978         update File_read::View::View call.
1979         (File_read::find_or_make_view): Update File_read::View::View
1980         call.
1981         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1982         remove contents_
1983         (File_read::View::Data_ownership): New enum.
1984         (File_read::View::View): Replace bool mapped_ with Data_ownership
1985         argument.
1986         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1987         (File_read::View::data_ownership_): New field.
1988         (File_read::contents_): Remove (replaced by whole_file_view_).
1989         (File_read::whole_file_view_): New field.
1990         * options.h (class General_options): Add --keep-files-mapped.
1992 2009-10-27  Cary Coutant  <ccoutant@google.com>
1994         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1995         * testsuite/Makefile.am (plugin_test_5): New test case.
1996         * testsuite/Makefile.in: Regenerate.
1998 2009-10-25  Doug Kwan  <dougkwan@google.com>
2000         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2001         from private to protected to allow access by child class.
2002         (Sized_relobj::do_relocate_sections): New method declaration.
2003         (Sized_relobj::relocate_sections): Virtualize.
2004         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
2005         Sized_relobj::relocate_sections.  Instantiate template explicitly
2006         for different target sizes and endianity.
2008 2009-10-24  Doug Kwan  <dougkwan@google.com>
2010         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2011         (Arm_input_section::as_arm_input_section): New method.
2012         (Arm_output_section): New class definition.
2013         (Arm_output_section::create_stub_group,
2014         Arm_output_section::group_sections): New method definitions.
2016 2009-10-22  Doug Kwan  <dougkwan@google.com>
2018         * arm.cc (Arm_input_section): New class definition.
2019         (Arm_input_section::init, Arm_input_section:do_write,
2020         Arm_input_section::set_final_data_size,
2021         Arm_input_section::do_reset_address_and_file_offset): New method
2022         definitions.
2024 2009-10-21  Doug Kwan  <dougkwan@google.com>
2026         * arm.cc (Stub_table, Arm_input_section): New forward class
2027         declarations.
2028         (Stub_table): New class defintion.
2029         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2030         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2031         New method definition.
2033 2009-10-21  Doug Kwan  <dougkwan@google.com>
2035         * arm.cc: Update copyright comments.
2036         (Target_arm): New forward class template declaration.
2037         (Arm_address): New type.
2038         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2039         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2040         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2041         constants.
2042         (Insn_template): Same.
2043         (DEF_STUBS): New macro.
2044         (Stub_type): New enum type.
2045         (Stub_template): New class definition.
2046         (Stub): Same.
2047         (Reloc_stub): Same.
2048         (Stub_factory): Same.
2049         (Target_arm::Target_arm): Initialize may_use_blx_ and
2050         should_force_pic_veneer_.
2051         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2052         Target_arm::should_force_pic_veneer,
2053         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2054         Target_arm::using_thumb_only, Target_arm:;default_target): New
2055         method defintions.
2056         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2057         New data member declarations.
2058         (Insn_template::size, Insn_template::alignment): New method defintions.
2059         (Stub_template::Stub_template): New method definition.
2060         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2061         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2062         (Stub_factory::Stub_factory): New method definition.
2063         * gold.h (string_hash): New template.
2064         * output.h (Input_section_specifier::hash_value): Use
2065         gold::string_hash.
2066         (Input_section_specifier::string_hash): Remove.
2067         * stringpool.cc (Stringpool_template::string_hash): Use
2068         gold::string_hash.
2070 2009-10-20  Doug Kwan  <dougkwan@google.com>
2072         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
2073         symbols of relaxed input sections.
2074         * output.h (Output_section::find_relaxed_input_section): Make
2075         method public.
2077 2009-10-16  Doug Kwan  <dougkwan@google.com>
2079         * dynobj.cc (Versions::Versions): Initialize version_script_.
2080         Only insert base version symbol definition for a shared object
2081         if version script defines any version versions.
2082         (Versions::define_base_version): New method definition.
2083         (Versions::add_def): Check that base version is not needed.
2084         (Versions::add_need): Define base version lazily.
2085         * dynobj.h (Versions::define_base_version): New method declaration.
2086         (Versions::needs_base_version_): New data member declaration.
2087         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
2088         (check_DATA): Add no_version_test.stdout.
2089         (libno_version_test.so, no_version_test.o no_version_test.stdout):
2090         New make rules.
2091         * testsuite/Makefile.in: Regenerate.
2092         * testsuite/no_version_test.c: New file.
2093         * testsuite/no_version_test.sh: Ditto.
2095 2009-10-16  Doug Kwan  <dougkwan@google.com>
2097         * expression.cc (class Segment_start_expression): New class definition.
2098         (Segment_start_expression::value): New method definition.
2099         (script_exp_function_segment_start): Return a new
2100         Segment_start_expression.
2101         * gold/script-c.h (script_saw_segment_start_expression): New function
2102         prototype.
2103         * script-sections.cc (Script_sections::Script_sections): Initialize
2104         SAW_SEGMENT_START_EXPRESSION_ to false.
2105         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
2106         and -Tbbs options to specify section addresses if given in
2107         command line and no SEGMENT_START expression is seen in a script.
2108         * script-sections.h (Script_sections::saw_segment_start_expression,
2109         Script_sections::set_saw_segment_start_expression): New method
2110         definition.
2111         (Script_sections::saw_segment_start_expression_): New data member
2112         declaration.
2113         * script.cc (script_saw_segment_start_expression): New function.
2114         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
2115         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
2116         script_test_7.sh and script_test_8.sh.
2117         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
2118         script_test_8.stdout.
2119         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
2120         (script_test_6, script_test_6.stdout, script_test_7,
2121         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
2122         * Makefile.in: Regenerate.
2123         * testsuite/script_test_6.sh: New file.
2124         * testsuite/script_test_6.t: Same.
2125         * testsuite/script_test_7.sh: Same.
2126         * testsuite/script_test_7.t: Same.
2127         * testsuite/script_test_8.sh: Same.
2129 2009-10-16  Doug Kwan  <dougkwan@google.com>
2131         * output.cc (Output_segment::set_section_list_address): Cast
2132         expressions to unsigned long long type to avoid format warnings.
2134 2009-10-15  Ian Lance Taylor  <iant@google.com>
2136         * script.cc (Script_options::add_symbol_assignment): Always add a
2137         dot assignment to script_sections_.
2138         * script-sections.cc (Script_sections::add_dot_assignment):
2139         Initialize if necessary.
2141         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
2142         program headers with no load segment if there is a linker script.
2144         * layout.cc (Layout::set_segment_offsets): Align the file offset
2145         to the segment aligment for -N or -n with no load segment.
2146         * output.cc (Output_segment::add_output_section): Don't crash if
2147         the first section is a TLS section.
2148         (Output_segment::set_section_list_addresses): Print an error
2149         message if the address moves backward in a linker script.
2150         * script-sections.cc
2151         (Output_section_element_input::set_section_addresses): Don't
2152         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
2153         (Orphan_output_section::set_section_addresses): Likewise.
2155 2009-10-15  Doug Kwan  <dougkwan@google.com>
2157         * layout.cc (Layout::finish_dynamic_section): Generate tags
2158         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
2159         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
2160         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
2162 2009-10-14  Ian Lance Taylor  <iant@google.com>
2164         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
2165         fields.
2166         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
2167         data_shdr fields of relinfo.
2168         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
2169         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
2170         R_386_TLS_LDO_32, adjust based on section flags.
2171         (Target_i386::Relocate::fix_up_ldo): Remove.
2173 2009-10-13  Ian Lance Taylor  <iant@google.com>
2175         Add support for -pie.
2176         * options.h (class General_options): Add -pie and
2177         --pic-executable.
2178         (General_options::output_is_position_independent): Test -pie.
2179         (General_options::output_is_executable): Return true if not shared
2180         and not relocatable.
2181         (General_options::output_is_pie): Remove.
2182         * options.cc (General_options::finalize): Reject incompatible uses
2183         of -pie.
2184         * gold.cc (queue_middle_tasks): A -pie link is not static.
2185         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
2186         * symtab.cc (Symbol::final_value_is_known): Return false if
2187         output_is_position_independent.
2188         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
2189         output_is_position_independent.
2190         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
2191         output_is_position_independent.
2192         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
2193         output_is_position_independent.
2194         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
2195         two_file_pie_test.
2196         (basic_pie_test.o, basic_pie_test): New targets.
2197         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
2198         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
2199         (two_file_pie_test): New target.
2200         * testsuite/Makefile.in: Rebuild.
2201         * README: Remove note saying that -pie is not supported.
2203 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2205         * options.h (class General_options): Add -init and -fini.
2206         * layout.cc (Layout::finish_dynamic_section): Emit
2207         given init and fini functions.
2209 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
2211         * gc.h (gc_process_relocs): Check if icf is enabled using new
2212         function.
2213         * gold.cc (queue_initial_tasks): Likewise.
2214         (queue_middle_tasks): Likewise.
2215         * object.cc (do_layout): Likewise.
2216         * symtab.cc (is_section_folded): Likewise.
2217         * main.cc (main): Likewise.
2218         * reloc.cc (Read_relocs::run): Likewise.
2219         (Sized_relobj::do_scan_relocs): Likewise.
2220         * icf.cc (is_function_ctor_or_dtor): New function.
2221         (Icf::find_identical_sections): Check if function is ctor or dtor when
2222         safe icf is chosen.
2223         * options.h (General_options::icf): Change option to be an enum.
2224         (Icf_status): New enum.
2225         (icf_enabled): New method.
2226         (icf_safe_folding): New method.
2227         (set_icf_status): New method.
2228         (icf_status_): New variable.
2229         * (options.cc) (General_options::finalize): Set icf_status_.
2230         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
2231         icf_test and icf_keep_unique_test to use the --icf enum flag.
2232         * testsuite/icf_safe_test.sh: New file.
2233         * testsuite/icf_safe_test.cc: New file. 
2235 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
2237         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
2238         includes to gc.h and icf.h.
2239         * arm.cc: Include gc.h.
2240         * gold.cc: Likewise.
2241         * i386.cc: Likewise.
2242         * powerpc.cc: Likewise.
2243         * sparc.cc: Likewise.
2244         * x86_64.cc: Likewise.
2245         * gc.h: Include icf.h.
2247 2009-10-11  Ian Lance Taylor  <iant@google.com>
2249         * plugin.cc: Include "gold.h" before other header files.
2251 2009-10-10  Chris Demetriou  <cgd@google.com>
2253         * options.h (Input_file_argument::Input_file_type): New enum.
2254         (Input_file_argument::is_lib_): Replace with...
2255         (Input_file_argument::type_): New member.
2256         (Input_file_argument::Input_file_argument): Take Input_file_type
2257         'type' rather than boolean 'is_lib' as second argument.
2258         (Input_file_argument::is_lib): Use type_.
2259         (Input_file_argument::is_searched_file): New function.
2260         (Input_file_argument::may_need_search): Handle is_searched_file.
2261         * options.cc (General_options::parse_library): Support -l:filename.
2262         (General_options::parse_just_symbols): Update for Input_file_argument
2263         changes.
2264         (Command_line::process): Likewise.
2265         * archive.cc (Archive::get_file_and_offset): Likewise.
2266         * plugin.cc (Plugin_manager::release_input_file): Likewise.
2267         * script.cc (read_script_file, script_add_file): Likewise.
2268         * fileread.cc (Input_file::Input_file): Likewise.
2269         (Input_file::will_search_for): Handle is_searched_file.
2270         (Input_file::open): Likewise.
2271         * readsyms.cc (Read_symbols::get_name): Likewise.
2272         * testsuite/Makefile.am (searched_file_test): New test.
2273         * testsuite/Makefile.in: Regenerate.
2274         * testsuite/searched_file_test.cc: New file.
2275         * testsuite/searched_file_test_lib.cc: New file.
2277 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2278             Ian Lance Taylor  <iant@google.com>
2280         * descriptor.cc: Include <cstdio> and "binary-io.h".
2281         (Descriptors::open): Open the files in binary mode always.
2282         * script.cc (Lex::get_token): Treat \r as whitespace.
2284 2009-10-09  Ian Lance Taylor  <iant@google.com>
2286         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
2288 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2289             Ian Lance Taylor  <iant@google.com>
2291         * configure.ac: Check for readv function also.
2292         * fileread.cc (readv): Define if not HAVE_READV.
2293         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
2294         does not exist.
2295         * config.in: Regenerate.
2296         * configure: Regenerate.
2298 2009-10-09  Doug Kwan  <dougkwan@google.com>
2300         * layout.cc (Layout::make_output_section): Call target hook to make
2301         ordinary output section.
2302         (Layout::finalize): Adjust parameter list of call the
2303         Target::may_relax().
2304         * layout.h (class Layout::section_list): New method.
2305         * merge.h (Output_merge_base::entsize): Change visibility to public.
2306         (Output_merge_base::is_string, Output_merge_base::do_is_string):
2307         New methods.
2308         (Output_merge_string::do_is_string): New method.
2309         * object.cc (Sized_relobj::do_setup): renamed from
2310         Sized_relobj::set_up.
2311         * object.h (Sized_relobj::adjust_shndx,
2312         Sized_relobj::initializ_input_to_output_maps,
2313         Sized_relobj::free_input_to_output_maps): Change visibilities to
2314         protected.
2315         (Sized_relobj::setup): Virtualize.
2316         (Sized_relobj::do_setup): New method declaration.
2317         (Sized_relobj::invalidate_section_offset,
2318         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
2319         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
2320         * options.cc (parse_int): New function.
2321         * options.h (parse_int): New declaration.
2322         (DEFINE_int): New macro.
2323         (stub_group_size): New option.
2324         * output.cc (Output_section::Output_section): Initialize memebers
2325         merge_section_map_, merge_section_by_properties_map_,
2326         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
2327         (Output_section::add_input_section): Handled deferred code-fill
2328         generation and remove an old comment.
2329         (Output_section::add_relaxed_input_section): New method definition.
2330         (Output_section::add_merge_input_section): Use merge section by
2331         properties map to speed to search.  Update merge section maps
2332         as appropriate.
2333         (Output_section::build_relaxation_map): New method definition.
2334         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2335         Same.
2336         (Output_section::relax_input_section): Renamed to
2337         Output_section::convert_input_sections_to_relaxed_sections and change
2338         interface to take a vector of pointers to relaxed sections.
2339         (Output_section::find_merge_section,
2340         Output_section::find_relaxed_input_section): New method definitions.
2341         (Output_section::is_input_address_mapped,
2342         Output_section::output_offset, Output_section::output_address):
2343         Use output section data maps to speed up searching.
2344         (Output_section::find_starting_output_address): Add comments.
2345         (Output_section::do_write,
2346         Output_section::write_to_postprocessing_buffer): Do code-fill
2347         generation as appropriate.
2348         (Output_section::get_input_sections): Invalidate relaxed input section
2349         map.
2350         (Output_section::restore_states): Adjust type of checkpoint .
2351         Invalidate relaxed input section map.
2352         * output.h (Output_merge_base): New class declaration.
2353         (Input_section_specifier): New class defintion.
2354         (class Output_relaxed_input_section) Change base class to
2355         Output_section_data_build.
2356         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
2357         base class initializer.
2358         (Output_section::add_relaxed_input_section): New method declaration.
2359         (Output_section::Input_section): Change visibility to protected.
2360         (Output_section::Input_section::relobj,
2361         Output_section::Input_section::shndx): Handle relaxed input sections.
2362         Output_section::input_sections) Change visibility to protected.  Also
2363         define overload to return a non-const pointer.
2364         (Output_section::Merge_section_properties): New class defintion.
2365         (Output_section::Merge_section_by_properties_map,
2366         Output_section::Output_section_data_by_input_section_map,
2367         Output_section::Relaxation_map): New types.
2368         (Output_section::relax_input_section): Rename method to
2369         Output_section::convert_input_sections_to_relaxed_sections and change
2370         interface to take a vector of relaxed section pointers.
2371         (Output_section::find_merge_section,
2372         Output_section::find_relaxed_input_section,
2373         Output_section::build_relaxation_map,
2374         Output_section::convert_input_sections_in_list_to_relaxed_sections):
2375         New method declarations.
2376         (Output_section::merge_section_map_
2377         Output_section::merge_section_by_properties_map_,
2378         Output_section::relaxed_input_section_map_,
2379         Output_section::is_relaxed_input_section_map_valid_,
2380         Output_section::generate_code_fills_at_write_): New data members.
2381         * script-sections.cc
2382         (Output_section_element_input::set_section_addresses): Call
2383         current_data_size and addralign methods of relaxed input sections.
2384         (Orphan_output_section::set_section_addresses): Call current_data_size
2385         and addralign methods of relaxed input sections.
2386         * symtab.cc (Symbol_table::compute_final_value): Extract template
2387         from the body of Symbol_table::sized_finalize_symbol.
2388         (Symbol_table::sized_finalized_symbol): Call
2389         Symbol_table::compute_final_value.
2390         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
2391         (Symbol_table::compute_final_value): New templated method declaration.
2392         * target.cc (Target::do_make_output_section): New method defintion.
2393         * target.h (Target::make_output_section): New method declaration.
2394         (Target::relax): Add more parameters for input objects, symbol table
2395         and layout.  Adjust call to do_relax.
2396         (Target::do_make_output_section): New method declaration.
2397         (Target::do_relax): Add parameters for input objects, symbol table
2398         and layout.
2400 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2402         * pread.c: Include stdio.h.
2404 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2406         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
2407         defined.
2409 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2411         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2412         Change read_shndx type to unsigned int.
2413         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2414         int.
2415         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2416         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
2417         Change read_shndx type to unsigned int.
2418         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2419         int.
2420         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2421         * layout.cc (Layout::create_symtab_sections): Cast the result of
2422         local_symcount * symsize to off_t in the gold_assert.
2424 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2426         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
2427         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
2428         R_ARM_BASE_ABS.
2429         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
2430         (Arm_relocate_functions::thm_abs5): New function.
2431         (Arm_relocate_functions::abs12): New function.
2432         (Arm_relocate_functions::abs16): New function.
2433         (Arm_relocate_functions::base_abs): New function.
2434         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
2435         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
2436         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
2437         R_ARM_BASE_ABS.
2438         (Scan::global): Likewise.
2439         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
2440         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
2441         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
2442         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
2443         R_ARM_BASE_ABS.
2445 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2447         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
2448         (Arm_relocate_functions::movt_prel): New function.
2449         (Arm_relocate_functions::thm_movw_prel_nc): New function.
2450         (Arm_relocate_functions::thm_movt_prel): New function.
2451         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
2452         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
2453         (Scan::global, Relocate::relocate): Likewise.
2454         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2456 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2458         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
2459         Incremental_checker.
2460         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
2461         unsigned int.
2462         (class Incremental_inputs_header): New class.
2463         (Incremental_inputs_header_writer): Edit comment.
2464         (Incremental_inputs_entry): New class.
2465         (Incremental_inputs_entry_writer): Edit comment.
2466         (Sized_incremental_binary::do_find_incremental_inputs_section):
2467         Add *strtab_shndx parameter, fill it.
2468         (Sized_incremental_binary::do_check_inputs): New method.
2469         (Incremental_checker::can_incrementally_link_output_file): Use
2470         Sized_incremental_binary::check_inputs.
2471         (Incremental_inputs::report_command_line): Save command line in
2472         command_line_.
2473         * incremental.h:
2474         (Incremental_binary::find_incremental_inputs_section): New
2475         method.
2476         (Incremental_binary::do_find_incremental_inputs_section): Add
2477         strtab_shndx parameter.
2478         (Incremental_binary::do_check_inputs): New pure virtual method.
2479         (Sized_incremental_binary::do_check_inputs): Declare.
2480         (Incremental_checker::Incremental_checker): Add incremental_inputs
2481         parameter, use it to initialize incremental_inputs_.
2482         (Incremental_checker::incremental_inputs_): New field.
2483         (Incremental_checker::command_line): New method.
2484         (Incremental_checker::inputs): New method.
2485         (Incremental_checker::command_line_): New field.
2487 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2489         * incremental.cc: Include <cstdarg> and "target-select.h".
2490         (vexplain_no_incremental): New function.
2491         (explain_no_incremental): New function.
2492         (Incremental_binary::error): New method.
2493         (Sized_incremental_binary::do_find_incremental_inputs_section): New
2494         method.
2495         (make_sized_incremental_binary): New function.
2496         (open_incremental_binary): New function.
2497         (can_incrementally_link_file): Add checks if output is ELF and has
2498         inputs section.
2499         * incremental.h: Include "elfcpp_file.h" and "output.h".
2500         (Incremental_binary): New class.
2501         (Sized_incremental_binary): New class.
2502         (open_incremental_binary): Declare.
2503         * object.cc (is_elf_object): Use
2504         elfcpp::Elf_recognizer::is_elf_file.
2505         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
2506         * output.h (Output_file::filesize): New method.
2508 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2510         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
2511         New function.
2512         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
2513         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
2514         function.
2515         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
2516         function.
2517         (Arm_relocate_functions::movw_abs_nc): New function.
2518         (Arm_relocate_functions::movt_abs): New function.
2519         (Arm_relocate_functions::thm_movw_abs_nc): New function.
2520         (Arm_relocate_functions::thm_movt_abs): New function.
2521         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
2522         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
2523         (Scan::global): Likewise.
2524         (Relocate::relocate): Likewise.
2525         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2527 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2529         * arm.cc (Arm_relocate_functions::got_prel) New function.
2530         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
2531         (Relocate::relocate): Likewise.
2532         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2534 2009-10-06  Ian Lance Taylor  <iant@google.com>
2536         * options.h (class General_options): Define
2537         split_stack_adjust_size parameter.
2538         * object.h (class Object): Add uses_split_stack_ and
2539         has_no_split_stack_ fields.  Add uses_split_stack and
2540         has_no_split_stack accessor functions.  Declare
2541         handle_split_stack_section.
2542         (class Reloc_symbol_changes): Define.
2543         (class Sized_relobj): Define Function_offsets.  Declare
2544         split_stack_adjust, split_stack_adjust_reltype, and
2545         find_functions.
2546         * object.cc (Object::handle_split_stack_section): New function.
2547         (Sized_relobj::do_layout): Call handle_split_stack_section.
2548         * dynobj.cc (Sized_dynobj::do_layout): Call
2549         handle_split_stack_section.
2550         * reloc.cc (Sized_relobj::relocate_sections): Call
2551         split_stack_adjust for executable sections in split_stack
2552         objects.  Pass reloc_map to relocate_section.
2553         (Sized_relobj::split_stack_adjust): New function.
2554         (Sized_relobj::split_stack_adjust_reltype): New function.
2555         (Sized_relobj::find_functions): New function.
2556         * target-reloc.h: Include "object.h".
2557         (relocate_section): Add reloc_symbol_changes parameter.  Change
2558         all callers.
2559         * target.h (class Target): Add calls_non_split method.  Declare
2560         do_calls_non_split virtual method.  Declare match_view and
2561         set_view_to_nop.
2562         * target.cc: Include "elfcpp.h".
2563         (Target::do_calls_non_split): New function.
2564         (Target::match_view): New function.
2565         (Target::set_view_to_nop): New function.
2566         * gold.cc (queue_middle_tasks): Give an error if mixing
2567         split-stack and non-split-stack objects with -r.
2568         * i386.cc (Target_i386::relocate_section): Add
2569         reloc_symbol_changes parameter.
2570         (Target_i386::do_calls_non_split): New function.
2571         * x86_64.cc (Target_x86_64::relocate_section): Add
2572         reloc_symbol_changes parameter.
2573         (Target_x86_64::do_calls_non_split): New function.
2574         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
2575         parameter.
2576         * powerpc.cc (Target_powerpc::relocate_section): Add
2577         reloc_symbol_changes parameter.
2578         * sparc.cc (Target_sparc::relocate_section): Add
2579         reloc_symbol_changes parameter.
2580         * configure.ac: Call AM_CONDITIONAL for the default target.
2581         * configure: Rebuild.
2582         * testsuite/Makefile.am (TEST_AS): New variable.
2583         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
2584         (check_DATA): Add split_i386 and split_x86_64 files.
2585         (SPLIT_DEFSYMS): Define.
2586         (split_i386_[1234n].o): New targets.
2587         (split_i386_[124]): New targets.
2588         (split_i386_[1234r].stdout): New targets.
2589         (split_x86_64_[1234n].o): New targets.
2590         (split_x86_64_[124]): New targets.
2591         (split_x86_64_[1234r].stdout): New targets.
2592         (MOSTLYCLEANFILES): Add new executables.
2593         * testsuite/split_i386.sh: New file.
2594         * testsuite/split_x86_64.sh: New file.
2595         * testsuite/split_i386_1.s: New file.
2596         * testsuite/split_i386_2.s: New file.
2597         * testsuite/split_i386_3.s: New file.
2598         * testsuite/split_i386_4.s: New file.
2599         * testsuite/split_i386_n.s: New file.
2600         * testsuite/split_x86_64_1.s: New file.
2601         * testsuite/split_x86_64_2.s: New file.
2602         * testsuite/split_x86_64_3.s: New file.
2603         * testsuite/split_x86_64_4.s: New file.
2604         * testsuite/split_x86_64_n.s: New file.
2605         * testsuite/testfile.cc (Target_test): Update relocation_section
2606         function.
2607         * testsuite/Makefile.in: Rebuild.
2609 2009-10-06  Ian Lance Taylor  <iant@google.com>
2611         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
2612         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
2613         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
2614         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
2615         the address on ldo_addrs_.
2616         (Target_i386::Relocate::fix_up_ldo): New function.
2618 2009-10-06   Rafael Espindola  <espindola@google.com>
2620         * plugin.cc (add_input_library): New.
2621         (Plugin::load): Add add_input_library to tv.
2622         (Plugin_manager::add_input_file): Add the is_lib argument.
2623         (add_input_file): Update call to Plugin_manager::add_input_file.
2624         (add_input_library): New.
2625         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
2627 2009-09-30  Doug Kwan  <dougkwan@google.com>
2629         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
2630         symbol and call Symbol::may_need_copy_reloc to determine if
2631         a copy reloc is needed.
2632         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
2633         nocopyreloc is given in command line.
2634         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
2635         given in command line.
2636         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
2637         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
2638         of the removed Target_i386::may_need_copy_reloc.
2639         * options.h (copyreloc): New option with default value false.
2640         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2641         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
2642         instead of the removed Target_powerpc::may_need_copy_reloc.
2643         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2644         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
2645         instead of the removed Target_sparc::may_need_copy_reloc.
2646         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
2647         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
2648         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
2649         instead of the removed Target_x86_64::may_need_copy_reloc.
2651 2009-09-30  Ian Lance Taylor  <iant@google.com>
2653         * object.h (class Object): Remove target_ field, and target,
2654         sized_target, and set_target methods.
2655         (Object::sized_target): Remove.
2656         (class Sized_relobj): Update declarations.  Remove sized_target.
2657         * object.cc (Sized_relobj::setup): Remove target parameter.
2658         Change all callers.
2659         (Input_objects::add_object): Don't do anything with the target.
2660         (make_elf_sized_object): Add punconfigured parameter.  Change all
2661         callers.  Set or test parameter target.
2662         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
2663         Change all callers.
2664         * parameters.cc (Parameters::set_target): Change parameter type to
2665         be non-const.
2666         (Parameters::default_target): Remove.
2667         (set_parameters_target): Change parameter type to be non-const.
2668         (parameters_force_valid_target): New function.
2669         (parameters_clear_target): New function.
2670         * parameters.h (class Parameters): Update declarations.  Remove
2671         default_target method.  Add sized_target and clear_target
2672         methods.  Change target_ to be non-const.
2673         (set_parameters_target): Update declaration.
2674         (parameters_force_valid_target): Declare.
2675         (parameters_clear_target): Declare.
2676         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
2677         as NULL if we aren't searching.
2678         (Add_symbols::run): Don't check for compatible target.
2679         * fileread.cc (Input_file::open_binary): Call
2680         parameters_force_valid_target.
2681         * gold.cc (queue_middle_tasks): Likewise.
2682         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
2683         set_target on object.
2684         * dynobj.h (class Sized_dynobj): Update declarations.
2685         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
2686         make_elf_object returns NULL.
2687         (Archive::include_member): Don't check whether object target is
2688         compatible.
2689         * output.cc (Output_section::add_input_section): Get target from
2690         parameters.
2691         (Output_section::relax_input_section): Likewise.
2692         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
2693         parameters.
2694         (Sized_relobj::do_scan_relocs): Likewise.
2695         (Sized_relobj::relocate_sections): Likewise.
2696         * resolve.cc (Symbol_table::resolve): Likewise.
2697         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
2698         parameter.  Change all callers.
2699         (Symbol_table::add_from_object): Get target from parameters.
2700         (Symbol_table::add_from_relobj): Don't check object target.
2701         (Symbol_table::add_from_dynobj): Likewise.
2702         (Symbol_table::define_special_symbol): Get target from
2703         parameters.
2704         * symtab.h (class Symbol_table): Update declaration.
2705         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
2706         parameter.  Change all callers.  Clear parameter target.
2707         (Binary_test): Test target here.
2708         * testsuite/object_unittest.cc (gold_testsuite): Remove
2709         target_test_pointer parameter.  Change all callers.
2710         (Object_test): Test target here.
2712 2009-09-26  Ian Lance Taylor  <iant@google.com>
2714         * testsuite/initpri1.c: Don't try to use constructor priorities if
2715         compiling with gcc before 4.3.
2717 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
2719         * testsuite/retain_symbols_file_test.sh (check_present): Change
2720         output file name to retain_symbols_file_test.stdout.
2721         (check_absent): Likewise.
2723 2009-09-18  Craig Silverstein  <csilvers@google.com>
2725         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
2726         * options.cc: Include <cerrno> and <fstream>.
2727         (General_options::finalize): Parse -retain-symbols-file tag.
2728         * options.h: New flag.
2729         (General_options): New method should_retain_symbol, new
2730         variable symbols_to_retain.
2731         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
2732         should_retain_symbol map.
2733         * testsuite/Makefile.am (retain_symbols_file_test): New test.
2734         * testsuite/Makefile.in: Regenerate.
2735         * testsuite/retain_symbols_file_test.sh: New file.
2737 2009-09-18  Nick Clifton  <nickc@redhat.com>
2739         * po/es.po: Updated Spanish translation.
2741 2009-09-17  Doug Kwan  <dougkwan@google.com>
2743         * debug.h (DEBUG_RELAXATION): New constant.
2744         (DEBUG_ALL): Add DEBUG_RELAXATION.
2745         (debug_string_to_enum): Add relaxation debug option.
2746         * layout.cc
2747         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
2748         Layout::Relaxation_debug_check::read_sections,
2749         Layout::Relaxation_debug_check::read_sections): New method definitions.
2750         (Layout::Layout): Initialize data members
2751         record_output_section_data_from_scrips_,
2752         script_output_section_data_list_ and relaxation_debug_check_.
2753         (Layout::save_segments, Layout::restore_segments,
2754         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2755         Layout::relaxation_loop_body): New method definitions.
2756         (Layout::finalize): Support relaxation.  Move section layout code to
2757         Layout::relaxation_loop_body.
2758         (Layout::set_asection_address_from_script): Move code for orphan
2759         section placement out.
2760         (Layout::place_orphan_sections_in_script): New method definition.
2761         * layout.h (Output_segment_headers, Output_file_header):
2762         New forward class declarations.
2763         (Layout::~Layout): Define.
2764         (Layout::new_output_section_data_from_script): New method definition.
2765         (Layout::place_orphan_sections_in_script): New method declaration.
2766         (Layout::Segment_states): New type declaration.
2767         (Layout::save_segments, Layout::restore_segments,
2768         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2769         Layout::relaxation_loop_body): New method declarations.
2770         (Layout::Output_section_data_list): New type declaration.
2771         (Layout::Relaxation_debug_check): New class definition.
2772         (Layout::record_output_section_data_from_script_,
2773         Layout::script_output_section_data_list_, Layout::segment_states_,
2774         Layout::relaxation_debug_check_): New data members.
2775         * output.cc: (Output_section_headers::do_size): New method definition.
2776         (Output_section_headers::Output_section_headers): Move size
2777         computation to Output_section_headers::do_size.
2778         (Output_segment_headers::do_size): New method definition.
2779         (Output_file_header::Output_file_header): Move size computation to 
2780         Output_file_header::do_size and call it.
2781         (Output_file_header::do_size): New method definition.
2782         (Output_data_group::Output_data_group): Adjust call to
2783         Output_section_data.
2784         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
2785         (Output_symtab_xindex::do_write): Add array bound check.
2786         (Output_section::Input_section::print_to_mapfile): Handle
2787         RELAXED_INPUT_SECTION_CODE.
2788         (Output_section::Output_section): Initialize data member checkpoint_.
2789         (Output_section::~Output_section): Delete checkpoint object pointed
2790         by checkpoint_.
2791         (Output_section::add_input_section): Always add an Input_section if
2792         relaxing.
2793         (Output_section::add_merge_input_section): Add assert.
2794         (Output_section::relax_input_section): New method definition.
2795         (Output_section::set_final_data_size): Set load address to zero for
2796         an unallocated section.
2797         (Output_section::do_address_and_file_offset_have_reset_values):
2798         New method definition.
2799         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
2800         Handle relaxed input section.
2801         (Output_section::sort_attached_input_sections): Checkpoint input
2802         section list lazily.
2803         (Output_section::get_input_sections): Change type of input_sections to
2804         list of Simple_input_section pointers.  Checkpoint input section list
2805         lazily.  Also handle relaxed input sections.
2806         (Output_section::add_input_section_for_script): Take a reference to
2807         a Simple_input_section object instead of Relobj pointer and section
2808         index as parameter.  Handle relaxed input sections.
2809         (Output_section::save_states, Output_section::restore_states): New
2810         method definitions.
2811         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
2812         (Output_data::is_data_size_fixed): New method definition.
2813         (Output_data::reset_addresss_and_file_offset): Do not reset data size
2814         if it is fixed.
2815         (Output_data::address_and_file_offset_have_reset_values): New method
2816         definition.
2817         (Output_data::do_address_and_file_offset_have_reset_values): New method
2818         definition.
2819         (Output_data::set_data_size): Check that data size is not fixed.
2820         (Output_data::fix_data_size): New method definition.
2821         (Output_data::is_data_size_fixed_): New data member.
2822         (Output_section_headers::set_final_data_size): New method definition.
2823         (Output_section_headers::do_size): New method declaration.
2824         (Output_segment_headers::set_final_data_size): New method definition.
2825         (Output_segment_headers::do_size): New method declaration.
2826         (Output_file_header::set_final_data_size)::New method definition.
2827         (Output_file_header::do_size)::New method declaration.
2828         (Output_section_data::Output_section_data): Add new parameter
2829         is_data_size_fixed and use it to fix data size.
2830         (Output_data_const::Output_data_const): Adjust call to base class
2831         constructor and fix data size.
2832         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
2833         base class constructor and fix data size.
2834         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
2835         base class constructor and fix data size.
2836         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
2837         class constructor and fix data size.
2838         (Output_data_group::set_final_data_size): New method definition.
2839         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
2840         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
2841         class constructor and fix data size.
2842         (Output_relaxed_input_section): New class definition.
2843         (Output_section::Simple_input_section): New class definition.
2844         (Output_section::get_input_sections): Adjust parameter list.
2845         (Output_section::add_input_section_for_script): Same.
2846         (Output_section::save_states, Output_section::restore_states,
2847         Output_section::do_address_and_file_offset_have_reset_values,
2848         (Output_section::Input_section::Input_section): Handle
2849         RELAXED_INPUT_SECTION_CODE.  Add new overload for
2850         Output_relaxed_input_section.
2851         (Output_section::Input_section::is_input_section,
2852         Output_section::Input_section::set_output_section): Handle relaxed
2853         input section.
2854         (Output_section::Input_section::is_relaxed_input_section,
2855         Output_section::Input_section::output_section_data,
2856         Output_section::Input_section::relaxed_input_section): New method
2857         definitions.
2858         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
2859         value.
2860         (Output_section::Input_section::u1_): Update comments.
2861         (Output_section::Input_section::u2_): Add new union member poris.
2862         (Output_section::Checkpoint_output_section): New classs definition.
2863         (Output_section::relax_input_section): New method declaration.
2864         (Output_section::checkpoint_): New data member.
2865         (Output_segment): Update comments.
2866         (Output_segment::Output_segment): Un-privatize copy constructor.
2867         (Output_segment::operator=): Un-privatize.
2868         * script-sections.cc (Output_section_element::Input_section_list):
2869         Change element type to Output_section::Simple_input_section.
2870         (Output_section_element_dot_assignment::set_section_addresses):
2871         Register output section data for relaxation clean up.
2872         (Output_data_exression::Output_data_expression): Adjust call to base
2873         constructor to fix data size.
2874         (Output_section_element_data::set_section_addresses): Register
2875         Output_data_expression object for relaxation clean up.
2876         (struct Input_section_info): Replace Relobj pointer and section index
2877         pair with Output_section::Simple_input_section and Convert struct to a
2878         class.
2879         (Input_section_sorter::operator()): Adjust access to
2880         Input_section_info data member to use accessors. 
2881         (Output_section_element_input::set_section_addresses): Use layout
2882         parameter.  Adjust code to use Output_section::Simple_input_section
2883         and Input_secction_info classes.  Register filler for relaxation
2884         clean up.
2885         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
2886         and section index pair with Output_section::Simple_input_section
2887         class.  Adjust code accordingly.
2888         (Phdrs_element::release_segment): New method definition.
2889         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
2890         segment list.
2891         (Script_sections::release_segments): New method definition.
2892         * gold/script-sections.h (Script_sections::release_segments): New
2893         method declaration.
2894         * gold/target.h (Target::may_relax, Target::relax,
2895         Target::do_may_relax, Target::do_relax): New method definitions.
2897 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2899         * arm.cc (has_signed_unsigned_overflow): New function.
2900         (Arm_relocate_functions::abs8): New function.
2901         (Target_arm::Scan::local): Handle R_ARM_ABS8.
2902         (Target_arm::Scan::global): Likewise.
2903         (Target_arm::relocate::relocate): Likewise.
2904         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2905         Likewise.
2907 2009-09-16  Cary Coutant  <ccoutant@google.com>
2909         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2910         * testsuite/Makefile.in: Regenerate.
2912 2009-09-11  Nick Clifton  <nickc@redhat.com>
2914         * po/gold.pot: Updated by the Translation project.
2916 2009-09-08  Cary Coutant  <ccoutant@google.com>
2918         * output.cc (Output_file::open): Add execute permission to empty file.
2919         * testsuite/Makefile.am (permission_test): New test.
2920         * testsuite/Makefile.in: Regenerate.
2922 2009-09-02  Ian Lance Taylor  <iant@google.com>
2924         * output.cc (Output_file::resize): Call map_no_anonymous rather
2925         than map.
2927 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
2929         * gold.cc: Include "incremental.h".
2930         (queue_initial_tasks): Call Incremental_checker methods.
2931         * incremental.cc: Include "output.h".
2932         (Incremental_checker::can_incrementally_link_output_file): New
2933         method.
2934         * incremental.h (Incremental_checker): New class.
2936         * output.cc (Output_file::open_for_modification): New method.
2937         (Output_file::map_anonymous): Changed return type to bool.  Record
2938         map in base_ field.
2939         (Output_file::map_no_anonymous): New method, broken out of map.
2940         (Output_file::map): Use map_no_anonymous and map_anonymous.
2941         * output.h (class Output_file): Update declarations.
2943 2009-08-24  Cary Coutant  <ccoutant@google.com>
2945         * options.h (Command_line::Pre_options): New class.
2946         (Command_line::pre_options): New member.
2947         * options.cc (gold::options::ready_to_register): New variable.
2948         (One_option::register_option): Do nothing if not registering options.
2949         Assert if same short option registered twice.
2950         (General_options::General_options): Turn off option registration when
2951         done constructing.
2952         (Command_line::Pre_options::Pre_options): New constructor.
2954 2009-08-24  Cary Coutant  <ccoutant@google.com>
2956         * options.h (General_options::no_keep_memory): Remove incorrect
2957         short option.
2959 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2961         * Makefile.am (am__skiplex, am__skipyacc): New.
2962         * Makefile.in: Regenerate.
2964 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2966         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2967         (INCLUDES): ... this.
2968         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2969         (AM_CPPFLAGS): Renamed from ...
2970         (INCLUDE): ... this.
2971         * Makefile.in, testsuite/Makefile.in: Regenerate.
2973         * Makefile.in: Regenerate.
2974         * aclocal.m4: Likewise.
2975         * config.in: Likewise.
2976         * configure: Likewise.
2977         * testsuite/Makefile.in: Likewise.
2979         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2980         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2981         * Makefile.in: Regenerate.
2982         * testsuite/Makefile.in: Regenerate.
2984 2009-08-19  Cary Coutant  <ccoutant@google.com>
2986         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2987         symbols in shared libraries overridden by hidden or internal symbols
2988         in the main program.
2990 2009-08-19  Chris Demetriou  <cgd@google.com>
2992         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2993         checking source file names in error messages.
2995 2009-08-18  Doug Kwan  <dougkwan@google.com>
2997         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2998         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2999         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3000         an elfcpp::Ehdr as parameter.
3001         * object.cc (Object::set_target): Remove the version that looks up
3002         a target and sets it.
3003         (Sized_relobj::setup): Take a Target object instead of
3004         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
3005         (make_elf_sized_object): Find target and ask target to
3006         make an ELF object.
3007         * object.h: (Object::set_target): Remove the version that looks up
3008         a target and sets it.
3009         (Sized_relobj::setup): Take a Target object instead of
3010         an elfcpp:Ehdr as parameter.
3011         * target.cc: Include dynobj.h.
3012         (Target::do_make_elf_object_implementation): New.
3013         (Target::do_make_elf_object): New.
3014         * target.h (Target::make_elf_object): New template declaration.
3015         (Target::do_make_elf_object): New method declarations.
3016         (Target::do_make_elf_object_implementation): New template declaration.
3018 2009-08-14  Ian Lance Taylor  <iant@google.com>
3020         * gold.h (FUNCTION_NAME): Define.
3021         (gold_unreachable): Use FUNCTION_NAME.
3023 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3025         * icf.cc (Icf::find_identical_sections): Issue a warning when a
3026         symbol in the --keep-unique list is not found.
3028 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3030         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3031         been maked as --keep-unique.
3032         (Icf::unfold_section): New function.
3033         * icf.h (Icf::unfold_section): New function.
3034         * options.h (General_options::keep_unique): New option.
3035         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3036         * testsuite/Makefile.in: Regenerate.
3037         * testsuite/icf_keep_unique_test.sh: New file.
3038         * testsuite/icf_keep_unique_test.cc: New file.
3040 2009-08-12  Cary Coutant  <ccoutant@google.com>
3042         PR 10471
3043         * resolve.cc (Symbol_table::resolve): Check for references from
3044         dynamic objects to hidden and internal symbols.
3045         * testsuite/Makefile.am (hidden_test.sh): New test.
3046         * testsuite/Makefile.in: Regenerate.
3047         * testsuite/hidden_test.sh: New script.
3048         * testsuite/hidden_test_1.c: New test source.
3049         * testsuite/hidden_test_main.c: New test source.
3051 2009-08-11  Doug Kwan  <dougkwan@google.com>
3053         * arm.cc: Update comments.
3054         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3055         segment to locate the .ARM.exidx section if present.
3057 2009-08-09  Doug Kwan  <dougkwan@google.com>
3059         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3060         patch.
3062 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
3063         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3064         compiler warnings.
3066 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
3068         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
3069         valid tls_segment only for non-debug-section relocations.
3070         * testsuite/Makefile.am: Add gc_tls_test.
3071         * testsuite/Makefile.in: Regenerate.
3072         * testsuite/gc_tls_test.cc: New file.
3073         * testsuite/gc_tls_test.sh: New file.
3075 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
3076         
3077         * icf.cc: New file.
3078         * icf.h: New file.
3079         * Makefile.am (CCFILES): Add icf.cc.
3080         (HFILES): Add icf.h
3081         * Makefile.in: Regenerate.
3082         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
3083         * gc.h (gc_process_relocs): Populate lists used by icf to contain
3084         section, symbol and addend information for the relocs.
3085         * gold.cc (queue_middle_tasks): Call identical code folding.
3086         * gold.h: Add defines for multimap.
3087         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
3088         to the call of finalize_local_symbols.
3089         * main.cc (main): Create object of class Icf.
3090         * object.cc (Sized_relobj::do_layout): Allow this function to be
3091         called twice during icf.
3092         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
3093         to sections marked as identical by icf.
3094         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
3095         when available.
3096         (Sized_relobj::do_section_entsize): New function.
3097         * object.h (Object::section_entsize): New function.
3098         (Object::do_section_entsize): New pure virtual function.
3099         (Relobj::finalize_local_symbols): Add new parameter.
3100         (Relobj::do_section_entsize): New function.
3101         * options.h (General_options::icf): New option.
3102         (General_options::icf_iterations): New option.
3103         (General_options::print_icf_sections): New option.
3104         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
3105         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
3106         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
3107         icf.
3108         * symtab.cc (Symbol_table::is_section_folded): New function.
3109         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
3110         to sections marked as identical by icf.
3111         * symtab.h (Symbol_table::set_icf): New function.
3112         (Symbol_table::icf): New function.
3113         (Symbol_table::is_section_folded): New function.
3114         (Symbol_table::icf_): New data member.
3115         * target-reloc.h (relocate_section): Ignore sections folded by icf.
3116         * testsuite/Makefile.am: Add commands to build icf_test.
3117         * testsuite/Makefile.in: Regenerate.
3118         * testsuite/icf_test.sh: New file.
3119         * testsuite/icf_test.cc: New file.
3121 2009-07-24  Chris Demetriou  <cgd@google.com>
3123         * layout.cc (is_compressible_debug_section): Fix incorrect
3124         comment about compressed section names.
3126 2009-07-20  Ian Lance Taylor  <ian@airs.com>
3128         PR 10419
3129         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
3131 2009-07-16  Ian Lance Taylor  <iant@google.com>
3133         PR 10400
3134         * layout.h: #include <map>.
3135         (class Kept_section): Change from struct to class.  Add accessors
3136         and setters.  Add section size to Comdat_group mapping.  Change
3137         Comdat_group to std::map.  Add is_comdat_ field.  Add
3138         linkonce_size field in union.
3139         (class Layout): Update declaration of find_or_add_kept_section.
3140         Don't declare find_kept_object.
3141         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
3142         parameter.  Add object, shndx, is_comdat, and is_group_name
3143         parameters.  Change all callers.  Adjust for new Kept_section.
3144         (Layout::find_kept_object): Remove.
3145         * object.cc (Sized_relobj::include_section_group): Update use of
3146         Kept_section.  Rename secnum to shndx.  Only record
3147         Kept_comdat_section if sections are the same size.
3148         (Sized_relobj::include_linkonce_section): Update use of
3149         Kept_section.  Only record Kept_comdat_section if sections are the
3150         same size.  Set size of linkonce section.
3151         (Sized_relobj::map_to_kept_section): Update call to
3152         get_kept_comdat_section.
3153         * object.h (class Sized_relobj): Rename fields in
3154         Kept_comdat_section to drop trailing underscores; change object
3155         field to Relobj*.  Change Kept_comdat_section_table to store
3156         struct rather than pointer.
3157         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
3158         Add kept_object and kept_shndx parameters.  Change all callers.
3159         (Sized_relobj::get_kept_comdat_section): Change return type to
3160         bool.  Add kept_object and kept_shndx parameters.  Change all
3161         callers.
3162         * plugin.cc (Pluginobj::include_comdat_group): Update call to
3163         Layout::find_or_add_kept_section.
3165 2009-07-09  Ian Lance Taylor  <iant@google.com>
3167         * merge.cc (Object_merge_map::initialize_input_to_output_map):
3168         Reserve space in the hash table.
3170 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
3172         * fileread.cc (File_read::get_mtime): New method.
3173         * fileread.h (Timespec): New structure.
3174         (File_read::get_mtime): New method.
3175         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
3176         Renamed from timestamp_nsec.
3177         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
3178         Elf_Xword.
3179         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
3180         timestamp_nsec.
3181         (Incremental_inputs::report_archive): Save mtime; style fix. 
3182         (Incremental_inputs::report_obejct): Save mtime; style fix.
3183         (Incremental_inputs::report_script): Save mtime; style fix.
3184         (Incremental_inputs::finalize_inputs): Style fix.
3185         (Incremental_inputs::finalize): Style fix.
3186         (Incremental_inputs::create_input_section_data): Store inputs
3187         mtime.
3188         * incremental.h (Incremental_inputs::report_script): Add mtime
3189         argument.
3190         (Incremental_inputs::Input_info::Input_info): Intialize only one
3191         union member.
3192         (Incremental_inputs::Input_info::archive): Move to nameless
3193         union.
3194         (Incremental_inputs::Input_info::obejct): Move to nameless union.
3195         (Incremental_inputs::Input_info::script): Move to nameless union.
3196         (Incremental_inputs::mtime): New field.
3197         * script.cc (read_input_script): Pass file mtime to
3198         Incremental_input.
3199         * script.h (Script_info::inputs): Style fix.
3201 2009-07-01  Ian Lance Taylor  <ian@airs.com>
3203         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
3204         instead of 32.
3206 2009-06-24  Ian Lance Taylor  <iant@google.com>
3208         PR 10156
3209         * layout.cc (Layout::choose_output_section): If we find an
3210         existing section, update the flags.
3211         (Layout::create_notes): New function, broken out of
3212         Layout::finalize.
3213         (Layout::finalize): Don't create note sections.
3214         (Layout::create_note): Don't crash if linker script discards
3215         section.
3216         (Layout::create_gold_note): Likewise.
3217         (Layout::create_build_id): Likewise.  Don't set
3218         after_input_sections on the section.
3219         (Layout::create_executable_stack_info): Remove target parameter.
3220         Change caller.
3221         * layout.h (class Layout): Declare create_notes.  Update
3222         declaration of create_executable_stack_info.
3223         * gold.cc (queue_middle_tasks): Call create_notes.
3224         * output.cc (Output_section::update_flags_for_input_section): Move
3225         here from output.h.  If SHF_ALLOC flag is newly set, mark address
3226         invalid.
3227         * output.h (Output_data::mark_address_invalid): New function.
3228         (class Output_section): Only declare, not define,
3229         update_flags_for_input_section.  Remove set_flags.
3231 2009-06-24  Ian Lance Taylor  <iant@google.com>
3233         * script-sections.cc (Output_section_definition::
3234         set_section_addresses): Rename shadowing local load_address to
3235         laddr.
3237 2009-06-24  Ian Lance Taylor  <iant@google.com>
3239         PR 10244
3240         * reloc.cc (relocate_sections): Skip empty relocation sections.
3242 2009-06-23  Ian Lance Taylor  <iant@google.com>
3244         PR 10156
3245         * layout.cc (Layout::create_note): Use choose_output_section
3246         rather than make_output_section.
3248 2009-06-23  Ian Lance Taylor  <iant@google.com>
3250         PR 10237
3251         * options.cc (General_options::parse_V): Set printed_version_.
3252         (General_options::General_options): Initialize printed_version_.
3253         * options.h (class General_options): Add printed_version_ field.
3254         * gold.cc (queue_initial_tasks): If there are no input files,
3255         don't give a fatal error if we printed the version information.
3256         (queue_middle_tasks): If using -r with a shared object, give a
3257         fatal error rather than an ordinary error.
3259 2009-06-23  Ian Lance Taylor  <iant@google.com>
3261         PR 10219
3262         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
3263         (Layout::make_output_section): Set have_stabstr_section_ if we see
3264         a .stab*str section.
3265         (Layout::finalize): Call link_stabs_sections.
3266         (Layout::link_stabs_sections): New file.
3267         * layout.h (class Layout): Add have_stabstr_section_ field.
3268         Declare link_stabs_sections.
3270 2009-06-23  Doug Kwan  <dougkwan@google.com>
3272         * Makefile.am (libgold_a_LIBADD): New.
3273         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
3274         * Makefile.in: Regenerate.
3275         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
3276         * configure: Regenerate.
3277         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
3278         * fileread.cc: Include sys/state.h
3279         * gold.h: Declare memmem and strndup if found missing.
3280         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
3282 2009-06-23  Ian Lance Taylor  <iant@google.com>
3284         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
3285         * configure: Rebuild.
3287 2009-06-23  Ian Lance Taylor  <iant@google.com>
3289         PR 10147
3290         * object.cc (Object::section_contents): Don't try to get a view if
3291         the section has length zero.
3292         (Object::handle_gnu_warning_section): If the section is empty, use
3293         the name of the section as the warning.
3295 2009-06-23  Ian Lance Taylor  <iant@google.com>
3297         PR 10133
3298         * stringpool.h (class Stringpool_template): Add optimize_ field.
3299         (Stringpool_template::set_optimize): New function.
3300         * stringpool.cc (Stringpool_template::Stringpool_template):
3301         Initialize optimize_ field.
3302         (Stringpool_template::set_string_offsets): Test local optimize
3303         fild rather than parameter.
3304         * layout.cc (Layout::Layout): Call set_optimize on the section
3305         name stringpool.
3307 2009-06-22  Ian Lance Taylor  <iant@google.com>
3309         PR 10030
3310         * yyscript.y: Parse TARGET.
3311         * script.cc (script_set_target): New function.
3312         * script-c.h (script_set_target): Declare.
3313         * options.cc (General_options::string_to_object_format): Rename
3314         from string_to_object_format in anonymous namespace.  Change
3315         callers.
3316         * options.h (class General_options): Declare
3317         string_to_object_format.
3319 2009-06-22  Ian Lance Taylor  <iant@google.com>
3321         * script-sections.cc (Script_sections::create_segments): Don't put
3322         program headers in a PT_LOAD segment if -n or -N.
3324 2009-06-22  Ian Lance Taylor  <iant@google.com>
3326         PR 10141
3327         * options.h (class General_options): Add -z lazy and -z now.  Sort
3328         -z options into alphabetical order.
3329         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
3331 2009-06-21  Ian Lance Taylor  <iant@google.com>
3333         * layout.cc (Layout::make_output_section): Call
3334         Target::new_output_section.
3335         (Layout::attach_allocated_section_to_segment): Put large section
3336         sections in a separate load segment with the large segment flag
3337         set.
3338         (Layout::segment_precedes): Sort large data segments after other
3339         load segments.
3340         (align_file_offset): New static function.
3341         (Layout::set_segment_offsets): Use align_file_offset.
3342         * output.h (class Output_section): Add is_small_section_ and
3343         is_large_section_ fields.
3344         (Output_section::is_small_section): New function.
3345         (Output_section::set_is_small_section):  New function.
3346         (Output_section::is_large_section): New function.
3347         (Output_section::set_is_large_section): New function.
3348         (Output_section::is_large_data_section): New function.
3349         (class Output_segment): Add is_large_data_segment_ field.
3350         (Output_segment::is_large_data_segment): New function.
3351         (Output_segment::set_is_large_data_segment): New function.
3352         * output.cc (Output_section::Output_section): Initialize new
3353         fields.
3354         (Output_segment::Output_segment): Likewise.
3355         (Output_segment::add_output_section): Add assertion that large
3356         data sections always go in large data segments.  Force small data
3357         sections to the end of the list of data sections.  Force small BSS
3358         sections to the start of the list of BSS sections.  For large BSS
3359         sections to the end of the list of BSS sections.
3360         * symtab.h (class Symbol): Declare is_common_shndx.
3361         (Symbol::is_defined): Check Symbol::is_common_shndx.
3362         (Symbol::is_common): Likewise.
3363         (class Symbol_table): Define enum Commons_section_type.  Update
3364         declarations.  Add small_commons_ and large_commons_ fields.
3365         * symtab.cc (Symbol::is_common_shndx): New function.
3366         (Symbol_table::Symbol_table): Initialize new fields.
3367         (Symbol_table::add_from_object): Put small and large common
3368         symbols in the right list.
3369         (Symbol_table::sized_finalized_symbol): Check
3370         Symbol::is_common_shndx.
3371         (Symbol_table::sized_write_globals): Likewise.
3372         * common.cc (Symbol_table::do_allocate_commons): Allocate new
3373         common symbol lists.  Don't call do_allocate_commons_list if the
3374         list is empty.
3375         (Symbol_table::do_allocate_commons_list): Remove is_tls
3376         parameter.  Add comons_section_type parameter.  Change all
3377         callers.  Handle small and large common symbols.
3378         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
3379         Symbol::is_common_shndx.
3380         * resolve.cc (symbol_to_bits): Likewise.
3381         * target.h (Target::small_common_shndx): New function.
3382         (Target::small_common_section_flags): New function.
3383         (Target::large_common_shndx): New function.
3384         (Target::large_common_section_flags): New function.
3385         (Target::new_output_section): New function.
3386         (Target::Target_info): Add small_common_shndx, large_common_shndx,
3387         small_common_section_flags, and large_common_section_flags
3388         fields.
3389         (Target::do_new_output_section): New virtual function.
3390         * arm.cc (Target_arm::arm_info): Initialize new fields.
3391         * i386.cc (Target_i386::i386_info): Likewise.
3392         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3393         Likewise.
3394         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
3395         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3396         (Target_x86_64::do_new_output_section): New function.
3397         * configure.ac: Define conditional MCMODEL_MEDIUM.
3398         * testsuite/Makefile.am (check_PROGRAMS): Add large.
3399         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
3400         (large_LDFLAGS): Define.
3401         * testsuite/large.c: New file.
3402         * testsuite/testfile.cc (Target_test::test_target_info):
3403         Initialize new fields.
3404         * configure, testsuite/Makefile.in: Rebuild.
3406 2009-06-05  Doug Kwan  <dougkwan@google.com>
3408         * Makefile.am (CCFILES): Add target.cc.
3409         * Makefile.in: Regenerate. 
3410         * i386.cc (class Target_i386): Define new virtual method to
3411         override do_is_local_label_name in parent.
3412         * object.cc (Sized_relobj::do_count_local_symbols): Discard
3413         local symbols if --discard-locals or -X is given.
3414         * options.h (class General_options): Declare new options
3415         '--discard-locals' and '-X' for discarding locals.
3416         * target.h (class Target): Define new methods is_local_label_name.
3417         Declare new virtual method do_is_local_label_name.
3418         * target.cc: New file.
3419         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
3420         (check_SCRIPTS): Add discard_locals_test.sh.
3421         (check_DATA): Add discard_local_tests.syms.
3422         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
3423         (discard_local_tests.syms, discard_locals_test.o): New make rules.
3424         * testsuite/Makefile.in: Regenerate.
3425         * testsuite/discard_locals_test.c: New file.
3426         * testsuite/discard_locals_test.sh: Same.
3428 2009-06-05  Doug Kwan  <dougkwan@google.com>
3430         * object.cc (Sized_relobj::Sized_relobj): Initialize
3431         discarded_eh_frame_shndx_ to -1U.
3432         (Sized_relobj::do_layout): Record index of a discard .eh_frame
3433         section.
3434         (Sized_relobj::do_count_local_symbols): Skip local symbols in
3435         a discarded .eh_frame section.
3436         (Sized_relobj::do_finalize_local_symbols): Ditto.
3437         * object.h (class Sized_relobj): Declare new member
3438         discarded_eh_frame_shndx_.
3439         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
3440         (local_labels_test.o, local_labels_test): New rules.
3441         * testsuite/Makefile.in: Regenerate.
3443 2009-06-04  Doug Kwan  <dougkwan@google.com>
3445         * layout.cc (Layout::section_name_mapping): Add mapping for
3446         special ARM sections.
3448 2009-06-03  Doug Kwan  <dougkwan@google.com>
3450         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
3451         (utils::has_overflow): Same.
3453 2009-06-03  Ian Lance Taylor  <iant@google.com>
3455         * layout.cc (Layout::section_name_mapping): New array, replacing
3456         Layout::linkonce_mapping.
3457         (Layout::section_name_mapping_count): New variable, replacing
3458         Layout::linkonce_mapping_count.
3459         (Layout::linkonce_output_name): Remove.
3460         (Layout::output_section_name): Rewrite.
3461         * layout.h (class Layout): Rename Linkonce_mapping to
3462         Section_name_mapping, linkonce_mapping to section_name_mapping,
3463         linkonce_mapping_count to section_name_mapping_count.  Don't
3464         declare linkonce_output_name.
3466 2009-06-03  Doug Kwan  <dougkwan@google.com>
3468         * gold/arm.cc (namespace utils): New.
3469         (Target_arm::reloc_is_non_pic): Define new method.
3470         (class Arm_relocate_functions): New.
3471         (Target_arm::Relocate::relocate): Handle relocation types used by
3472         Android.
3474 2009-06-03  Ian Lance Taylor  <iant@google.com>
3476         * arm.cc (Target_arm::scan::global): Use || instead of |.
3478 2009-06-02  Doug Kwan  <dougkwan@google.com>
3480         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
3481         issued_non_pic_error_.
3482         (class Target_arm::Scan): Declare new method check_non_pic.
3483         Define new method symbol_needs_plt_entry.
3484         Declare new data member issued_non_pic_error_.
3485         (class Target_arm::Relocate): Declare new method
3486         should_apply_static_reloc.
3487         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
3488         (Target_arm::Scan::check_non_pic): Define new method.
3489         (Target_arm::Scan::local): Handle a small subset of reloc types used
3490         by Android.
3491         (Target_arm::Scan::local): Same.
3492         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
3494 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
3496         * incremental.cc (Incremental_inputs::report_command_line): Filter
3497         out --incremental-* options.
3499 2009-05-29  Doug Kwan  <dougkwan@google.com>
3501         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
3502         template class.
3503         (class Target_arm): Update comment.
3504         (Target_arm::Target_arm): Initialize new data members GOT_,
3505         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
3506         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
3507         and Target_arm::rel_dyn_section.
3508         Declare new_enum Target_arm::Got_type.
3509         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
3510         and DYNBSS_.
3511         Update commments for member do_dynsym_value.
3512         (Target_arm::got_size, Target_arm::plt_section,
3513         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
3514         new methods inside class defintion.
3515         (Target_arm::got_section): Define new method.
3516         (Target_arm::rel_dyn_section): Same.
3517         (Output_data_plt_arm): New template class.
3518         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
3519         (Output_data_plt_arm:do_adjust_output_section): Define new method.
3520         (Output_data_plt_arm::add_entry): Same.
3521         (Output_data_plt_arm::first_plt_entry): Define new
3522         static data member for PLT instruction template.
3523         (Output_data_plt_arm::plt_entry): Same.
3524         (Output_data_plt_arm::do_write): Define new method.
3525         (Target_arm::make_plt_entry): Same.
3526         (Target_arm::do_finalize_sections): Same.
3527         (Target_arm::do_dynsym_value): Same.
3529 2009-05-28  Doug Kwan  <dougkwan@google.com>
3531         * Makefile.am (TARGETSOURCES): Add arm.cc.
3532         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
3533         * Makefile.in: Regenerate.
3534         * arm.cc: New file.
3535         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
3537 2009-05-26  Doug Kwan  <dougkwan@google.com>
3539         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
3540         (General_options::check_excluded_libs): Strip off directories in
3541         archive name before matching like GNU ld does.
3542         * testsuite/Makefile.am (MOSTLYCLEANFILES,
3543         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
3544         (exclude_libs_test_LDFLAGS): Add linker option
3545         -Wl,--exclude-libs,libexclude_libs_test_3
3546         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
3547         an explicit archive without using -l.
3548         (alt/libexclude_libs_test_3.a): New make rule.
3549         * testsuite/Makefile.in: Regenerate.
3550         * testsuite/exclude_libs_test.c : Declare lib3_default().
3551         (main): Call it.
3552         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
3553         * exclude_libs_test_3.c: New file.
3555 2009-05-26  Nick Clifton  <nickc@redhat.com>
3557         * po/id.po: New Indonesian translation.
3558         * po/gold.pot: Updated template file.
3560 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
3562         * testsuite/Makefile.am: Add -ffunction-sections to compile 
3563         gc_comdat_test files.  Add -Wl,--gc-sections to build
3564         gc_comdat_test.
3565         * testsuite/Makefile.in: Regenerate.
3566         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
3568 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
3570         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
3571         kept comdat section was garbage collected.
3572         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
3573         * testsuite/Makefile.in: Regenerate.
3574         * testsuite/gc_comdat_test.sh: New file.
3575         * testsuite/gc_comdat_test_1.cc: New file.
3576         * testsuite/gc_comdat_test_2.cc: New file.
3578 2009-05-19  Doug Kwan  <dougkwan@google.com>
3580         * archive.cc (Archive::Archive): Move constructor from archive.h
3581         to here.  Initialize no_export_.
3582         (Archive::get_elf_object_for_member): Set no_export flag of object.
3583         * archive.h (Archive::Archive): Move constructor body to
3584         archive.cc.
3585         (Archive::no_export): New method.
3586         (Archive::no_export_): New field.
3587         * object.h (Object::Object): Initialize no_export_ to false.
3588         (Object::no_export, Object::set_no_export): New methods.
3589         (Object::no_export_): New field.
3590         * options.cc (General_options::parse_exclude_libs): New method.
3591         (General_options::check_excluded_libs) Same.
3592         * options.h (exclude_libs): New option.
3593         (General_options::check_excluded_libs): New method declaration.
3594         (General_options::excluded_libs_): New field.
3595         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
3596         default or protected visibility if an object has no-export flag set.
3597         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
3598         (check_SCRIPTS): Add exclude_libs_test.sh.
3599         (check_DATA): Add exclude_libs_test.syms.
3600         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
3601         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
3602         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
3603         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
3604         (exclude_libs_test.syms, libexclude_libs_test_1.a,
3605         libexclude_libs_test_2.a): New rules.
3606         * testsuite/Makefile.in: Regenerate.
3607         * testsuite/exclude_libs_test.c: New file.
3608         * testsuite/exclude_libs_test.sh: Ditto.
3609         * testsuite/exclude_libs_test_1.c: Ditto.
3610         * testsuite/exclude_libs_test_2.c: Ditto.
3612 2009-05-15  Ian Lance Taylor  <iant@google.com>
3614         * configure.ac: Check for declarations for cases where libiberty.h
3615         checks HAVE_DECL_xxx.
3616         * configure, config.in: Rebuild.
3618 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
3620         * gold.h (Incremental_argument_list): Remove (invalid) forward
3621         declaration.
3622         * incremental.cc (Incremental_inputs::report_achive): New method.
3623         (Incremental_inputs::report_object): New method.
3624         (Incremental_inputs::report_script): New method.
3625         (Incremental_inputs::finalize_inputs): New method.
3626         (Incremental_inputs::finalize): Call finalize_inputs().
3627         (Incremental_inputs::sized_create_incremental_inputs_section_data):
3628         Create inputs entries.
3629         * incremental.h (Incremental_input_type): New enum.
3630         (Incremental_inputs::Incremental_input): Initialize new fields.
3631         (Incremental_inputs::report_inputs): New method.
3632         (Incremental_inputs::report_achive): New method.
3633         (Incremental_inputs::report_object): New method.
3634         (Incremental_inputs::report_script): New method.
3635         (Incremental_inputs::finalize_inputs): New method.
3636         (Incremental_inputs::Input_info): New struct.
3637         (Incremental_inputs::Input_info_map): New typedef.
3638         (Incremental_inputs::lock_): New field.
3639         (Incremental_inputs::Inputs_): New field.
3640         (Incremental_inputs::Inputs_map): New field.
3641         * main.cc (main): Call Incremental_input::report_inputs.
3642         * options.h (Input_argument_list): Typedef moved from
3643         Input_arguments.
3644         (Input_file_group::Files): Remove, use ::Input_argument_list.
3645         (Input_file_group::Input_argument_list): Remove, use
3646         ::Input_argument_list.
3647         * plugin.cc (Plugin_manager::add_input_file): Add error in
3648         incremental build.
3649         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
3650         functions.
3651         * script.cc (read_input_script): Call
3652         Incremental_input::report_script.
3653         * script.h (Script_info): New class.
3655 2009-04-27  Ian Lance Taylor  <iant@google.com>
3657         * x86_64.cc (do_adjust_output_section): Set entsize to
3658         plt_entry_size.
3660 2009-04-23  Elliott Hughes  <enh@google.com>
3662         * output.cc (Output_file::close): After short writes, continue
3663         writing from the correct offset in the buffer being written.
3665 2009-04-23  Chris Demetriou  <cgd@google.com>
3667         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
3668         * configure: Regenerate.
3669         * config.in: Regenerate.
3670         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
3671         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
3673 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
3675         * incremental.cc (Incremental_inputs_header_data): Renamed from
3676         Incremental_input_header_data.
3677         (Incremental_inputs_header_data::data_size): New field.
3678         (Incremental_inputs_header_data::put_input_file_count): Renamed
3679         from input_file_count.
3680         (Incremental_inputs_header_data::put_command_line_offset): Renamed
3681         from command_line_offset.
3682         (Incremental_inputs_header_data::put_reserved): Renamed from
3683         put_reserved.
3684         (Incremental_inputs_entry_data): Renamed from
3685         Incremental_input_entry_data.
3686         (Incremental_inputs_entry_data::data_size): New field.
3687         (Incremental_inputs::report_command_line): New method.
3688         (Incremental_inputs::finalize): New method.
3689         (Incremental_inputs::create_incremental_inputs_data): New method.
3690         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
3691         * incremental.h: New file.
3692         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
3693        (Layout::finalize): Create incremental inputs section in
3694         incremental builds.
3695        (Layout::create_incremental_info_sections): New method.
3696         * layout.h (Layout::incremental_inputs): New method.
3697        (Layout::create_incremental_info_sections): New method.
3698        (Layout::incremental_inputs_): New field.
3699         * main.cc (main): Notify Incremental_input of the command line.
3701 2009-04-01  Ian Lance Taylor  <iant@google.com>
3702             Mikolaj Zalewski  <mikolajz@google.com>
3704         * gold.h (reserve_unordered_map): Define, three versions, one for
3705         each version of Unordered_map.
3706         * layout.cc (Layout::Layout): Remove options parameter.  Add
3707         number_of_input_files parameter.  Don't initialize options_.
3708         Initialize number_of_input_files_ and resized_signatures_.  Move
3709         sections_are_attached_.
3710         (Layout::layout_group): Reserve space for group_signatures_.
3711         (Layout::find_or_add_kept_section): Change name parameter to be a
3712         reference.  Resize signatures_ map when it gets large enough.
3713         (Layout::layout_eh_frame): Use parameters->options() instead of
3714         this->options_.
3715         (Layout::make_output_section): Likewise.
3716         (Layout::attach_allocated_section_to_segment): Likewise.
3717         (Layout::finalize, Layout::create_executable_stack): Likewise.
3718         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
3719         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
3720         * layout.h (class Layout): Update declarations.  Remove options_
3721         field.  Add number_of_input_files_ and resized_signatures_
3722         fields.  Move sections_are_attached_ field.
3723         * main.cc (main): Pass number of input files to Layout
3724         constructor.  Don't pass options.
3726 2009-03-30  Ian Lance Taylor  <iant@google.com>
3728         * ffsll.c (ffsll): Correct implementation.
3730 2009-03-27  Ian Lance Taylor  <iant@google.com>
3732         * ffsll.c: New file.
3733         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
3734         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
3735         * ftruncate.c (ftruncate): Declare before definition.
3736         * mremap.c (mremap): Likewise.
3737         * pread.c (pread): Likewise.
3738         * configure, Makefile.in, config.in: Rebuild.
3740         * mremap.c: New file.
3741         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
3742         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
3743         (mremap): Declare if HAVE_MREMAP is not defined.
3744         * configure, Makefile.in, config.in: Rebuild.
3746 2009-03-27  Cary Coutant  <ccoutant@google.com>
3748         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
3749         position independent.
3750         * sparc.cc (Target_sparc::check_non_pic): Likewise.
3751         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
3753 2009-03-24  Cary Coutant  <ccoutant@google.com>
3755         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
3756         an executable.
3757         (needs_dynamic_reloc): Likewise.
3759 2009-03-24  Ian Lance Taylor  <iant@google.com>
3761         * yyscript.y (file_cmd): Recognize EXTERN.
3762         (extern_name_list, extern_name_list_body): New nonterminals.
3763         * script.cc (script_add_extern): Define.
3764         * script-c.h (script_add_extern): Declare.
3766 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
3768         * object.cc (is_elf_object): Define.
3769         * object.h (is_elf_object): Declare.
3770         * archive.cc (Archive::get_elf_object_for_member): Call
3771         is_elf_object.
3772         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
3774 2009-03-24  Elliott Hughes  <enh@google.com>
3776         * output.cc (Output_file::map_anonymous): Define.
3777         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
3778         try an anonymous one.  Report the size if the mmap fails.
3779         * output.h (class Output_file): Declare map_anonymous.
3781 2009-03-24  Ian Lance Taylor  <iant@google.com>
3783         * target-select.cc (instantiate_target): Don't acquire the lock if
3784         the instantiated_target_ field has already been set.
3786 2009-03-23  Ian Lance Taylor  <iant@google.com>
3788         * gold-threads.h (class Initialize_lock): Define.
3789         * gold-threads.cc (class Initialize_lock_once): Define.
3790         (initialize_lock_control): New static variable.
3791         (initialize_lock_pointer): New static variable.
3792         (initialize_lock_once): New static function.
3793         (Initialize_lock::Initialize_lock): Define.
3794         (Initialize_lock::initialize): Define.
3795         * target-select.h: Include "gold-threads.h".
3796         (class Target_selector): Add lock_ and initialize_lock_ fields.
3797         Don't define instantiate_target, just declare it.
3798         * target-select.cc (Target_selector::Target_selector): Initialize
3799         new fields.
3800         (Target_selector::instantiate_target): Define.
3801         * descriptors.h: Include "gold-threads.h".
3802         (class Descriptors): Add initialize_lock_ field.
3803         * descriptors.cc (Descriptors::Descriptors): Initialize new
3804         field.
3805         (Descriptors::open): Use initialize_lock_ field
3806         * errors.h (class Errors): Add initialize_lock_ field.
3807         * errors.cc (Errors::Errors): Initialize new field.
3808         (Errors::initialize_lock): Use initialize_lock_ field.
3809         * powerpc.cc (class Target_selector_powerpc): Remove
3810         instantiated_target_ field.  In do_recognize call
3811         instantiate_target rather than do_instantiate_target.  In
3812         do_instantiate_target just allocate a new target.
3813         * sparc.cc (class Target_selector_sparc): Likewise.
3815         * freebsd.h: New file.
3816         * i386.cc: Include "freebsd.h".
3817         (Target_i386): Derive from Target_freebsd rather than
3818         Sized_target.
3819         (Target_selector_i386): Derive from Target_selector_freebsd rather
3820         than Target_selector.
3821         * x86_64.cc: Include "freebsd.h".
3822         (Target_x86_64): Derive from Target_freebsd rather than
3823         Sized_target.
3824         (Target_selector_x86_64): Derive from Target_selector_freebsd
3825         rather than Target_selector.
3826         * target.h (class Target): Add adjust_elf_header and
3827         do_adjust_elf_header.
3828         * output.cc (Output_file_header:: do_sized_write): Call target
3829         adjust_elf_header routine.
3830         * configure.tgt: Set targ_osabi.
3831         * configure.ac: Define GOLD_DEFAULT_OSABI.
3832         * parameters.cc (Parameters::default_target): Pass
3833         GOLD_DEFAULT_OSABI to select_target.
3834         * target-select.h (class Target_selector): Make instantiate_target
3835         protected rather than private.
3836         * Makefile.am (HFILES): Add freebsd.h.
3837         * configure, Makefile.in, config.in: Rebuild.
3839         * merge.cc (do_add_input_section): Correct pend value.  Change
3840         message about last entry not being null terminated from error to
3841         warning.
3843 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
3845         * incremental.cc: New file.
3846         * Makefile.am (CCFILES): Add incremental.cc.
3847         * Makefile.in: Rebuild.
3849 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
3851         * layout.cc (Layout::output_section_name): Preserve names
3852         of '.note.' sections.
3853         
3854 2009-03-19  Ian Lance Taylor  <iant@google.com>
3856         * descriptors.cc (Descriptors::open): Check that the options are
3857         valid before using them.
3859 2009-03-18  Ian Lance Taylor  <iant@google.com>
3861         * script-sections.h: Include <list>.
3862         (class Script_sections): Change Sections_elements from std::vector
3863         to std::list.  Typedef public Elements_iterator.  Add
3864         orphan_section_placement_, data_segment_align_start_, and
3865         saw_data_segment_align_ fields.  Remove data_segment_align_index_
3866         field.
3867         * script-sections.cc (class Orphan_section_placement): New class.
3868         (class Sections_element): Add virtual functions is_relro and
3869         orphan_section_init.  Remove virtual function place_orphan_here.
3870         (class Output_section_definition): Add is_relro and
3871         orphan_section_init.  Remove place_orphan_here.
3872         (class Orphan_output_section): Likewise.
3873         (Script_sections::Script_sections): Update for field changes.
3874         (Script_sections::data_segment_align): Set saw_data_segment_align_
3875         and data_segment_align_start_, not data_segment_align_index.
3876         (Script_sections::data_segment_relro_end): Check
3877         saw_data_segment_align_.  Use data_segment_align_start_ rather
3878         than data_segment_align_index_.
3879         (Script_sections::place_orphan): Rewrite to use
3880         Orphan_section_placement.
3882 2009-03-17  Ian Lance Taylor  <iant@google.com>
3884         * archive.cc (Archive::add_symbols): Check for a version attached
3885         to the symbol name in the archive map.
3886         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
3887         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
3888         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
3889         (ver_test_11.a): New target.
3890         * testsuite/Makefile.in: Rebuild.
3892         * configure.ac: Check for chsize and posix_fallocate.  Replace
3893         ftruncate.
3894         * ftruncate.c: New file, from gnulib.
3895         * output.cc (posix_fallocate): Define dummy version if not
3896         HAVE_POSIX_FALLOCATE.
3897         (Output_file::map): Call posix_fallocate rather than lseek and
3898         write.
3899         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3900         * configure, Makefile.in, config.in: Rebuild.
3902 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
3903         
3904         * layout.h (Layout::create_note): Add section_name parameter.
3905         * layout.cc (Layout::create_note): Likewise.
3906         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3907         
3908 2009-03-17  Ian Lance Taylor  <iant@google.com>
3910         * descriptors.cc: Include "options.h".
3911         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3912         (Descriptors::open): Always use O_CLOEXEC when opening a new
3913         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
3914         then set FD_CLOEXEC.
3916         * sparc.cc (class Target_sparc): Add has_got_section.
3917         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3918         make sure we have a GOT section.
3920         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3921         (Target_sparc::Scan::local): Likewise.
3922         (Target_sparc::Scan::global): Likewise.
3923         (Target_sparc::Relocate::relocate): Likewise.
3924         (Target_sparc::Relocate::relocate_tls): Likewise.
3926         * symtab.cc (Symbol_table::define_default_version): New function,
3927         broken out of add_from_object.
3928         (Symbol_table::add_from_object): Call define_default_version.
3929         (Symbol_table::define_special_symbol): Add resolve_oldsym
3930         parameter.  Change all callers.  If the version for a symbol comes
3931         from a version script, resolve it with the symbol with the same
3932         name with no version.  Also add the symbol without a version if
3933         appropriate.
3934         (do_define_in_output_data): If resolving with oldsym, don't delete
3935         sym.
3936         (do_define_in_output_segment): Likewise.
3937         (do_define_as_constant): Likewise.
3938         * symtab.h (class Symbol_table): Update declarations.
3940 2009-03-13  Ian Lance Taylor  <iant@google.com>
3942         * readsyms.cc (Read_symbols::incompatible_warning): New function.
3943         (Read_symbols::requeue): New function.
3944         (Read_symbols::do_read_symbols): If make_elf_object fails because
3945         the target type is not configured, and the file was searched for,
3946         issue a warning and retry with the next directory.
3947         (Add_symbols::run): If the file has an incompatible format, and
3948         it was searched for, requeue the Read_symbols task.  On error,
3949         release the object.
3950         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
3951         dirindex parameter to constructor.  Change all callers.  Declare
3952         incompatible_warning and requeue.
3953         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3954         input_argument_ and input_group_ fields.  Add them to
3955         constructor.  Change all callers.
3956         (class Read_script): Add dirindex_ field.  Add it to constructor.
3957         Change all callers.
3958         * archive.cc (Archive::setup): Remove input_objects parameter.
3959         Change all callers.
3960         (Archive::get_file_and_offset): Likewise.
3961         (Archive::read_all_symbols): Likewise.
3962         (Archive::read_symbols): Likewise.
3963         (Archive::get_elf_object_for_member): Remove input_objects
3964         parameter.  Add punconfigured parameter.  Change all callers.
3965         (Archive::add_symbols): Change return type to bool.  Check return
3966         value of include_member.
3967         (Archive::include_all_members): Likewise.
3968         (Archive::include_member): Change return type to bool.  Return
3969         false if first included object has incompatible target.  Set
3970         included_member_ field.
3971         (Add_archive_symbols::run): If add_symbols returns false, requeue
3972         Read_symbols task.
3973         * archive.h (class Archive): Add included_member_ field.
3974         Initialize it in constructor.  Add input_file and searched_for
3975         methods.  Update declarations.
3976         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3977         input_argument_ fields.  Add them to constructor.  Change all
3978         callers.
3979         * script.cc: Include "target-select.h".
3980         (class Parser_closure): Add skip_on_incompatible_target_ and
3981         found_incompatible_target_ fields.  Add
3982         skip_on_incompatible_target parameter to constructor.  Change all
3983         callers.  Add methods skip_on_incompatible_target,
3984         clear_skip_on_incompatible_target, found_incompatible_target, and
3985         set_found_incompatible_target.
3986         (read_input_script): Add dirindex parameter.  Change all callers.
3987         If parser finds an incompatible target, requeue Read_symbols
3988         task.
3989         (script_set_symbol): Clear skip_on_incompatible_target in
3990         closure.
3991         (script_add_assertion, script_parse_option): Likewise.
3992         (script_start_sections, script_add_phdr): Likewise.
3993         (script_check_output_format): New function.
3994         * script.h (read_input_script): Update declaration.
3995         * script-c.h (script_check_output_format): Declare.
3996         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3997         (ignore_cmd): Remove OUTPUT_FORMAT.
3998         * fileread.cc (Input_file::Input_file): Add explicit this.
3999         (Input_file::will_search_for): New function.
4000         (Input_file::open): Add pindex parameter.  Change all callers.
4001         * fileread.h (class Input_file): Add input_file_argument method.
4002         Declare will_search_for.  Update declarations.
4003         * object.cc (make_elf_object): Add punconfigured parameter.
4004         Change all callers.
4005         * object.h (class Object): Make input_file public.  Add
4006         searched_for method.
4007         (make_elf_object): Update declaration.
4008         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
4009         restart search.
4010         * dirsearch.h (class Dirsearch): Update declaration.
4011         * options.h (class General_options): Add --warn-search-mismatch.
4012         * parameters.cc (Parameters::is_compatible_target): New function.
4013         * parameters.h (class Parameters): Declare is_compatible_target.
4014         * workqueue.cc (Workqueue::add_blocker): New function.
4015         * workqueue.h (class Workqueue): Declare add_blocker.
4017         * fileread.cc (Input_file::open): Remove options parameter.
4018         Change all callers.
4019         (Input_file::open_binary): Likewise.
4020         * script.cc (read_input_script): Likewise.
4021         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
4022         options parameter from constructor.  Change all callers.
4023         (class Read_script): Likewise.
4024         * fileread.h (class Input_file): Update declarations.
4025         * script.h (read_input_script): Update declaration.
4027 2009-03-10  Nick Clifton  <nickc@redhat.com>
4029         * po/es.po: New Spanish translation.
4031 2009-03-06  Cary Coutant  <ccoutant@google.com>
4033         * options.cc (parse_short_option): Keep dash_z from registering itself.
4035 2009-03-03  Ian Lance Taylor  <iant@google.com>
4037         PR 9918
4038         * target-reloc.h (relocate_section): Pass output_section to
4039         relocate.
4040         * i386.cc (Target_i386::should_apply_static_reloc): Add
4041         output_section parameter.  Change all callers.
4042         (Target_i386::Relocate::relocate): Add output_section parameter.
4043         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4044         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4045         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4046         * testsuite/two_file_shared.sh: New script.
4047         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4048         (check_DATA): Add two_file_shared.dbg.
4049         (two_file_shared.dbg): New target.
4050         * testsuite/Makefile.in: Rebuild.
4052 2009-03-01  Ian Lance Taylor  <iant@google.com>
4054         * configure.ac: Check for byteswap.h.
4055         * configure: Rebuild.
4056         * config.in: Rebuild.
4058 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
4060         * layout.cc (Layout::find_or_add_kept_section): New function.
4061         (Layout::add_comdat): Removed.
4062         * layout.h (struct Kept_section): Move out of class Layout.
4063         Remove trailing underscores from field names.  Add group_sections
4064         field.  Rename group_ field to is_group.  Change all uses.
4065         (class Layout): Declare find_or_add_kept_section, not add_comdat.
4066         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4067         comdat_groups_ field.
4068         (Sized_relobj::include_section_group): Use
4069         find_or_add_kept_section and Kept_section::group_sections.
4070         (Sized_relobj::include_linkonce_section): Likewise.
4071         * object.cc (class Sized_relobj): Don't define Comdat_group or
4072         Comdat_group_table.  Remove find_comdat_group and
4073         add_comdat_group.  Remove comdat_groups_ field.
4074         * plugin.cc (include_comdat_group): Use
4075         Layout::find_or_add_kept_section.
4077 2009-02-28  Ian Lance Taylor  <iant@google.com>
4079         * README: --gc-sections and map files are now supported.  Document
4080         some build requirements.
4082         PR 6992
4083         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
4084         relocatable link set the value of the section symbol to zero.
4085         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
4086         relocatable link don't include the section address in the local
4087         symbol value.
4089 2009-02-27  Ian Lance Taylor  <iant@google.com>
4091         PR 6811
4092         * options.h (class Search_directory): Add is_system_directory.
4093         (class General_options): Declare is_in_system_directory.
4094         * options.cc (get_relative_sysroot): Make static.
4095         (get_default_sysroot): Make static.
4096         (General_optoins::is_in_system_directory): New function.
4097         * fileread.cc (Input_file::is_in_system_directory): New function.
4098         * fileread.h (class Input_file): Declare is_in_system_directory.
4099         * object.h (class Object): Add is_in_system_directory.
4100         (class Input_objects): Remove system_library_directory_ field.
4101         * object.cc (Input_objects::add_object): Don't set
4102         system_library_directory_.
4103         (input_objects::found_in_system_library_directory): Remove.
4104         * symtab.cc (Symbol_table::write_globals): Remove input_objects
4105         parameter.  Change all callers.
4106         (Symbol_table::sized_write_globals): Likewise.
4107         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
4108         Call Object::is_in_system_directory.
4109         * symtab.h (class Symbol_table): Update declarations.
4111         PR 5990
4112         * descriptors.h (Open_descriptor): Add is_on_stack field.
4113         * descriptors.cc (Descriptors::open): If the descriptor is on the
4114         top of the stack, remove it.  Initialize is_on_stack field.
4115         (Descriptors::release): Only add pod to stack if it is not on the
4116         stack already.
4117         (Descriptors::close_some_descriptor): Clear stack_next and
4118         is_on_stack fields.
4120         PR 7091
4121         * output.cc (Output_section::find_starting_output_address): Rename
4122         from starting_output_address; add PADDR parameter; change return
4123         type.
4124         * output.h (class Output_section): Declare
4125         find_starting_output_address instead of starting_output_address.
4126         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
4127         section symbol for which we can't find a merge section.
4129         PR 9836
4130         * symtab.cc (Symbol_table::add_from_object): If the visibility is
4131         hidden or internal, force the symbol to be local.
4132         * resolve.cc (Symbol::override_visibility): Define.
4133         (Symbol::override_base): Use override_visibility.
4134         (Symbol_table::resolve): Likewise.
4135         (Symbol::override_base_with_special): Likewise.
4136         (Symbol_table::override_with_special): If the visibility is hidden
4137         or internal, force the symbol to be local.
4138         * symtab.h (class Symbol): Add set_visibility and
4139         override_visibility.
4140         * testsuite/ver_test_1.sh: New file.
4141         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
4142         (check_DATA): Add ver_test_1.syms.
4143         (ver_test_1.syms): New target.
4144         * testsuite/Makefile.in: Rebuild.
4146 2009-02-25  Cary Coutant  <ccoutant@google.com>
4148         * layout.cc (Layout::choose_output_section): Don't rename sections
4149         when using a linker script that has a SECTIONS clause.
4150         * Makefile.in: Regenerate.
4152         * testsuite/Makefile.am (script_test_5.sh): New test case.
4153         * testsuite/Makefile.in: Regenerate.
4154         * testsuite/script_test_5.cc: New file.
4155         * testsuite/script_test_5.sh: New file.
4156         * testsuite/script_test_5.t: New file.
4158 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
4160         * archive.cc (Archive::include_member): Update calls to add_symbols.
4161         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
4162         the Layout argument.
4163         * dynobj.h (do_add_symbols): Add the Layout argument.
4164         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
4165         Layout argument.
4166         * object.h (Object::add_symbols): Add the Layout argument.
4167         (Object::do_add_symbols): Add the Layout argument.
4168         (Sized_relobj::do_add_symbols): Add the Layout argument.
4169         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
4170         Unify the two versions.
4171         (Add_plugin_symbols): Remove.
4172         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
4173         (Sized_pluginobj::do_add_symbols): Unify the two versions.
4174         (Add_plugin_symbols): Remove.
4175         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
4176         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
4177         (Add_symbols::run): Make it work with Pulginobj.
4179 2009-02-06  Ian Lance Taylor  <iant@google.com>
4181         * object.cc (Sized_relobj::do_layout): Make info message start
4182         with lower case letter.
4184 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
4186         * binary.cc: Fix file comment.
4188         * options.h (enum Incremental_disposition): Define.
4189         (class General_options): Add new options: --incremental,
4190         --incremental_changed, --incremental_unchanged,
4191         --incremental_unknown.  Add incremental_disposition_ and
4192         implicit_incremental_ fields.
4193         (General_options::incremental_disposition): New function.
4194         (class Position_dependent_options): Add incremental_disposition
4195         option.
4196         (Position_dependent_options::copy_from_options): Set incremental
4197         dispositions.
4198         * options.cc (General_options::parse_incremental_changed): New
4199         function.
4200         (General_options::parse_incremental_unchanged): New function.
4201         (General_options::parse_incremental_unknown): New function.
4202         (General_options::General_options): Initialize new fields
4203         incremental_disposition_ and implicit_incremental_.
4204         (General_options::finalize): Check for uasge of --incremental-*
4205         without --incremental.
4207 2009-02-06  Chris Demetriou  <cgd@google.com>
4209         * gold.h (gold_undefined_symbol): Change to take only a Symbol
4210         pointer and to report location as the file name associated with
4211         the symbol.
4212         (gold_undefined_symbol_at_location): New function to replace the
4213         old gold_undefined_symbol functionality.
4214         * target-reloc.h (relocate_section): Update to use
4215         gold_undefined_symbol_at_location.
4216         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4217         Call gold_undefined_symbol function rather than gold_error.
4218         * errors.h (Errors::undefined_symbol): Take location as a
4219         string, rather than calculating it from a relocation.
4220         * errors.cc (Errors::fatal): Print "fatal error:" before the
4221         formatted message.
4222         (Errors::error, Errors::error_at_location): Print "error: "
4223         before the formatted message.
4224         (Errors::undefined_symbol): Take location as a string, rather
4225         than calculating it from a relocation.
4226         (gold_undefined_symbol_at_location): New function akin to
4227         old gold_undefined_symbol, calculates location from relocation.
4228         (gold_undefined_symbol): Change to take only a Symbol pointer
4229         and to report location as the file name associated with the symbol.
4230         * testsuite/debug_msg.sh: Update for changed error messages.
4231         * testsuite/undef_symbol.sh: Likewise.
4233 2009-02-04  Duncan Sands  <baldrick@free.fr>
4235         PR 9812
4236         * reduced_debug_output.h
4237         (Output_reduced_debug_abbrev_section::failed): Use format for
4238         gold_warning.
4239         (Output_reduced_debug_info_section::faild): Likewise.
4241 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
4243         * script.cc (Lazy_demangler): New class.
4244         (Version_script_info::get_symbol_version_helper): Demangle a
4245         symbol only once.
4247 2009-01-29  Cary Coutant  <ccoutant@google.com>
4249         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
4250         to __tls_get_addr.
4251         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4253 2009-01-28  Ian Lance Taylor  <iant@google.com>
4255         * version.cc (version_string): Bump to 1.9.
4257         * gold.h: Include <cstring> and <stdint.h>.
4258         * version.cc: Include <cstdio>.
4259         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
4260         warning.
4261         * reduced_debug_output.cc (insert_into_vector): Rename from
4262         Insert_into_vector; change all callers.  Use Swap_unaligned to
4263         avoid aliasing issue; remove union since it is unnecessary.
4265 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
4267         * Makefile.am (CCFILES): Add gc.cc.
4268         (HFILES): Add gc.h.
4269         * Makefile.in: Regenerate.
4270         * gold.cc (Gc_runner): New class.
4271         (queue_initial_tasks): Call garbage collection related tasks
4272         when corresponding options are invoked.
4273         (queue_middle_gc_tasks): New function.
4274         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
4275         processed early before laying out sections during garbage collection.
4276         * gold.h (queue_middle_gc_tasks): New function.
4277         (is_prefix_of): Move from "layout.cc".
4278         * i386.cc (Target_i386::gc_process_relocs): New function.
4279         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
4280         * main.cc (main): Create object of class "Garbage_collection".
4281         * object.cc (Relobj::copy_symbols_data): New function.
4282         (Relobj::is_section_name_included): New function.
4283         (Sized_relobj::do_layout): Allow this function to be called twice 
4284         during garbage collection and defer layout of section during the 
4285         first call.
4286         * object.h (Relobj::get_symbols_data): New function.
4287         (Relobj::is_section_name_included): New function.
4288         (Relobj::copy_symbols_data): New function.
4289         (Relobj::set_symbols_data): New function.
4290         (Relobj::get_relocs_data): New function.
4291         (Relobj::set_relocs_data): New function.
4292         (Relobj::is_output_section_offset_invalid): New pure virtual function.
4293         (Relobj::gc_process_relocs): New function.
4294         (Relobj::do_gc_process_relocs): New pure virtual function.
4295         (Relobj::sd_): New data member.
4296         (Sized_relobj::is_output_section_offset_invalid): New function.
4297         (Sized_relobj::do_gc_process_relocs): New function.
4298         * options.h (General_options::gc_sections): Modify to not be a no-op.
4299         (General_options::print_gc_sections): New option.
4300         * plugin.cc (Plugin_finish::run): Remove function call to
4301         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
4302         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
4303         * reloc.cc (Read_relocs::run): Add task to process relocs and
4304         determine unreferenced sections when doing garbage collection.
4305         (Gc_process_relocs): New class.
4306         (Sized_relobj::do_gc_process_relocs): New function.
4307         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
4308         sections that are garbage collected.
4309         * reloc.h (Gc_process_relocs): New class.
4310         * sparc.cc (Target_sparc::gc_process_relocs): New function.
4311         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
4312         symbols whose corresponding sections are garbage collected.
4313         (Symbol_table::Symbol_table): Add new parameter for the garbage
4314         collection object.
4315         (Symbol_table::gc_mark_undef_symbols): New function.
4316         (Symbol_table::gc_mark_symbol_for_shlib): New function.
4317         (Symbol_table::gc_mark_dyn_syms): New function.
4318         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
4319         as garbage.
4320         (Symbol_table::add_from_object): Likewise.
4321         (Symbol_table::add_from_relobj): When building shared objects, do not
4322         treat externally visible symbols as garbage.
4323         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
4324         table information for static and relocatable links.
4325         * symtab.h (Symbol_table::set_gc): New function.
4326         (Symbol_table::gc): New function.
4327         (Symbol_table::gc_mark_undef_symbols): New function.
4328         (Symbol_table::gc_mark_symbol_for_shlib): New function.
4329         (Symbol_table::gc_mark_dyn_syms): New function.
4330         (Symbol_table::gc_): New data member.
4331         * target.h (Sized_target::gc_process_relocs): New pure virtual 
4332         function.
4333         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
4334         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
4336 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
4338         * options.h (General_options::gc_sections): Define as a no-op for now.
4339         (General_options::no_keep_memory): Ditto.
4340         (General_options::Bshareable): Define.
4341         * options.cc (General_options::finalize): Honor -Bshareable.
4343 2009-01-20  Andreas Schwab  <schwab@suse.de>
4345         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
4346         read the value in the contents, since we don't use it.  Use the
4347         template endianness when writing.
4348         (Relocate::relocate): Use it for R_PPC_REL16_HA.
4350 2009-01-19  Andreas Schwab  <schwab@suse.de>
4352         * configure.tgt (powerpc64-*): Fix targ_obj.
4354 2009-01-15  Ian Lance Taylor  <iant@google.com>
4356         * object.cc (Sized_relobj::write_local_symbols): Don't write out
4357         local symbols when stripping all symbols.
4359 2009-01-14  Cary Coutant  <ccoutant@google.com>
4361         * output.cc (Output_reloc): Add explicit instantiations.
4363 2009-01-14  Cary Coutant  <ccoutant@google.com>
4365         * archive.cc (Archive::get_elf_object_for_member): Remove call
4366         to File_read::claim_for_plugin.
4367         * descriptors.cc (Descriptors::open): Remove reference to
4368         is_claimed.
4369         (Descriptors::claim_for_plugin): Remove.
4370         * descriptors.h (Descriptors::claim_for_plugin): Remove.
4371         (Descriptors::is_claimed): Remove.
4372         (claim_descriptor_for_plugin): Remove.
4373         * fileread.cc (File_read::claim_for_plugin): Remove.
4374         * fileread.h (File_read::claim_for_plugin): Remove.
4375         (File_read::descriptor): Reopen descriptor if necessary.
4376         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
4377         (Plugin_manager::all_symbols_read): Add task parameter. Change
4378         all callers.
4379         (Plugin_manager::get_input_file): New function.
4380         (Plugin_manager::release_input_file): New function.
4381         (Pluginobj::Pluginobj): Add filesize parameter and initialize
4382         corresponding data member.
4383         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
4384         and pass to base constructor. Change all callers.
4385         (get_input_file, release_input_file): New functions.
4386         (make_sized_plugin_object): Add filesize parameter. Change all callers.
4387         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
4388         (Plugin_manager::all_symbols_read): Add task parameter.
4389         (Plugin_manager::get_input_file): New function.
4390         (Plugin_manager::release_input_file): New function.
4391         (Plugin_manager::task_): New data member.
4392         (Pluginobj::Pluginobj): Add filesize parameter.
4393         (Pluginobj::filename): New function.
4394         (Pluginobj::descriptor): New function.
4395         (Pluginobj::filesize): New function.
4396         (Pluginobj::filesize_): New data member.
4397         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
4398         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
4399         File_read::claim_for_plugin; use Object::unlock to unlock the file.
4401         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
4402         with archive libraries.
4403         * testsuite/Makefile.in: Regenerate.
4404         * testsuite/plugin_test.c (struct sym_info): New type.
4405         (get_input_file, release_input_file): New static variables.
4406         (onload): Capture new transfer vector entries.
4407         (claim_file_hook): Stop reading at end of file according to filesize.
4408         Factor out parsing of readelf output into separate function.
4409         (all_symbols_read_hook): Exercise get_input_file and release_input_file
4410         APIs and get the source file name from the symbol table.  Convert
4411         source file name to corresponding object file name.  Print info
4412         message when adding new input files.
4413         (parse_readelf_line): New function.
4414         * testsuite/plugin_test_1.sh: Add checks for new info messages.
4415         * testsuite/plugin_test_2.sh: Likewise.
4416         * testsuite/plugin_test_3.sh: Likewise.
4417         * testsuite/plugin_test_4.sh: New test case.
4419 2009-01-07  Ian Lance Taylor  <iant@google.com>
4421         * version.cc (version_string): Bump to 1.8.
4423 2008-12-23  Cary Coutant  <ccoutant@google.com>
4425         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
4426         * plugin.cc (Plugin_manager::finish): Rename as
4427         layout_deferred_objects.  Move cleanup to separate function.
4428         (Plugin_manager::cleanup): New function.
4429         (Plugin_finish::run): Call layout_deferred_objects and cleanup
4430         separately.
4431         * plugin.h (Plugin_manager::finish): Rename as
4432         layout_deferred_objects.
4433         (Plugin_manager::cleanup): New function.
4434         (Plugin_manager::cleanup_done): New field.
4436 2008-12-23  Cary Coutant  <ccoutant@google.com>
4438         * plugin.cc (is_visible_from_outside): New function.
4439         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
4440         so we don't return "IR only" status for exported symbols or -r links.
4442         * testsuite/Makefile.am (plugin_test_3): New test case.
4443         * testsuite/Makefile.in: Regenerate.
4444         * testsuite/plugin_test_3.sh: New file.
4446 2008-12-22  Cary Coutant  <ccoutant@google.com>
4448         * object.cc (Sized_relobj::layout_section): New function.
4449         (Sized_relobj::do_layout): Defer layout of input sections until after
4450         plugin has provided replacement files.
4451         (Sized_relobj::do_layout_deferred_sections): New function.
4452         * object.h (Relobj::set_section_offset): Remove virtual keyword.
4453         (Relobj::layout_deferred_sections): New function.
4454         (Relobj::do_layout_deferred_sections): New function.
4455         (Sized_relobj::do_layout_deferred_sections): New function.
4456         (Sized_relobj::layout_section): New function.
4457         (Sized_relobj::Deferred_layout): New structure.
4458         (Sized_relobj::deferred_layout_): New field.
4459         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
4460         Change all callers.  Layout deferred sections.
4461         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
4462         references.
4463         (Plugin_hook::run): Move code from do_plugin_hook inline.
4464         (Plugin_hook::do_plugin_hook): Remove.
4465         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
4466         (Plugin_manager::finish): Renamed, was cleanup.
4467         (Plugin_manager::should_defer_layout): New function.
4468         (Plugin_manager::add_deferred_layout_object): New function.
4469         (Plugin_manager::Deferred_layout_list): New type.
4470         (Plugin_manager::deferred_layout_objects_): New field.
4471         (Plugin_hook::do_plugin_hook): Remove.
4473 2008-12-17  Ian Lance Taylor  <iant@google.com>
4475         * options.h (class General_options): Add --no case for
4476         --export-dynamic.
4478 2008-12-16  Cary Coutant  <ccoutant@google.com>
4480         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
4481         vector.
4482         (Plugin_manager::claim_file): Create plugin object even if
4483         plugin did not call the add_symbols callback.
4484         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
4485         asking for more symbols than were added.
4486         * testsuite/Makefile.am (plugin_test_1): Add test case with
4487         no global symbols.
4488         (empty.syms): New target.
4489         * testsuite/Makefile.in: Regenerate.
4490         * testsuite/plugin_test.c (claim_file_hook): Add new debug
4491         message. Don't call add_symbols if no globals.
4492         (all_symbols_read_hook): Don't provide replacement for empty
4493         claimed file.
4495 2008-12-12  Ian Lance Taylor  <iant@google.com>
4497         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
4498         r_type == 0 for a local symbol with r_sym == 0.
4499         (scan_relocatable_relocs): Pass r_sym to
4500         local_non_section_strategy.
4501         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
4502         r_sym parameter.
4504         * configure.ac: Update test for TLS descriptors: they are
4505         supported as of glibc 2.9.
4506         * configure: Rebuild.
4508 2008-12-11  Ian Lance Taylor  <iant@google.com>
4510         PR 7091
4511         * target-reloc.h (Default_scan_relocatable_relocs): For each
4512         function, map r_type == 0 to RELOC_DISCARD.
4514 2008-12-10  Cary Coutant  <ccoutant@google.com>
4516         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
4517         object to override a kept COMDAT group from a plugin object.
4519 2008-12-09  Ian Lance Taylor  <iant@google.com>
4521         PR 7088
4522         * yyscript.y (file_cmd): Handle INPUT.
4524         * testsuite/initpri1.c: Change all declarations to be full
4525         prototypes by adding void, to avoid compiler warnings.
4527 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
4529         * options.cc (General_options::parse_plugin_opt): New.
4530         (General_options::add_plugin): The argument now is just the filename.
4531         (General_options::add_plugin_option): New.
4532         * options.h (plugin_opt): New.
4533         (add_plugin): Change argument name.
4534         (add_plugin_option): New.
4535         * plugin.cc (Plugin::load): Don't parse the plugin option.
4536         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
4537         (Plugin::add_option): New.
4538         (Plugin::args_): Change type.
4539         (Plugin::filename_): New.
4540         (Plugin_manager::add_plugin_option): New.
4541         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
4542         * testsuite/Makefile.in: Regenerate.
4544 2008-12-05  Cary Coutant  <ccoutant@google.com>
4546         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
4547         Handle --strip-lto-sections option.
4548         * options.h (strip_lto_sections): New option.
4550 2008-12-01  Cary Coutant  <ccoutant@google.com>
4552         * plugin.cc (ld_plugin_message): Change format parameter to const.
4553         Fix mismatch between new[] and delete.
4555 2008-11-14  Cary Coutant  <ccoutant@google.com>
4557         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
4558         instead of -1U.
4560 2008-11-05  Craig Silverstein  <csilvers@google.com>
4562         * options.cc (General_options::parse_dynamic_list): New function.
4563         * options.h (General_options): New flags dynamic_list,
4564         dynamic_list_data, dynamic_list_cpp_new, and
4565         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
4566         (General_options::in_dynamic_list): New function.
4567         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
4568         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
4569         (Lex::can_continue_name): Likewise.
4570         (yylex): Likewise.
4571         (read_script_file): New parameter script_options.
4572         (read_dynamic_list): New function.
4573         (Script_options::define_dynamic_list): New function.
4574         (dynamic_list_keyword_parsecodes): New variable.
4575         (dynamic_list_keywords): New variable.
4576         * script.h (Script_options::define_dynamic_list): New function
4577         prototype.
4578         (read_dynamic_list): New function prototype.
4579         * symtab.cc (strprefix): New macro.
4580         (Symbol::should_add_dynsym_entry): Support dynamic_list,
4581         dynamic_list_data, dynamic_list_cpp_new, and
4582         dynamic_list_cpp_typeinfo.
4583         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
4584         (dynamic_list_expr): New rule.
4585         (dynamic_list_nodes): Likewise.
4586         (dynamic_list_node): Likewise.
4587         * testsuite/Makefile.am (dynamic_list): New test.
4588         * testsuite/Makefile.in: Regenerated.
4589         * testsuite/dynamic_list.t: New file.
4590         * testsuite/dynamic_list.sh: New file.
4592 2008-11-05  Craig Silverstein  <csilvers@google.com>
4594         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
4595         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
4596         (t11_last): Likewise.
4597         * testsuite/ver_test_6.c (main): Likewise.
4599 2008-10-07  Cary Coutant  <ccoutant@google.com>
4601         * options.c (General_options::finalize): Add check for -static and
4602         -shared.
4603         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
4604         is not empty.
4606 2008-10-02  Cary Coutant  <ccoutant@google.com>
4608         * plugin.cc (make_sized_plugin_object): Fix conditional
4609         compilation to work when not all targets are enabled.
4611 2008-09-29  Cary Coutant  <ccoutant@google.com>
4613         * archive.cc (Archive::get_file_and_offset): Use filename instead
4614         of name to get library path.
4615         (Archive::include_member): Unlock external member of a thin archive.
4617         * testsuite/Makefile.am (TEST_AR): New variable.
4618         (thin_archive_test_1): New test.
4619         (thin_archive_test_2): New test.
4620         * testsuite/Makefile.in: Regenerate.
4621         * testsuite/thin_archive_main.cc: New file.
4622         * testsuite/thin_archive_test_1.cc: New file.
4623         * testsuite/thin_archive_test_2.cc: New file.
4624         * testsuite/thin_archive_test_3.cc: New file.
4625         * testsuite/thin_archive_test_4.cc: New file.
4627 2008-09-29  Cary Coutant  <ccoutant@google.com>
4629         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
4630         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
4631         instead of -1U.
4632         (Sized_relobj::do_finalize_local_symbols): Likewise.
4633         (Sized_relobj::map_to_kept_section): Likewise.
4634         * object.h (Sized_relobj::invalid_address): New constant.
4635         (Sized_relobj::do_output_section_offset): Check for invalid_address
4636         and return -1ULL.
4637         * output.cc (Output_reloc::local_section_offset): Use constant
4638         invalid_address instead of -1U.
4639         (Output_reloc::get_address): Likewise.
4640         (Output_section::output_address): Change -1U to -1ULL.
4641         * output.h (Output_reloc::invalid_address): New constant.
4642         * reloc.cc (Sized_relobj::write_sections): Use constant
4643         invalid_address instead of -1U.
4644         (Sized_relobj::relocate_sections): Likewise.
4645         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
4646         values for merge sections.
4647         * target-reloc.h (relocate_for_relocatable): Use constant
4648         invalid_address instead of -1U.
4650 2008-09-19  Cary Coutant  <ccoutant@google.com>
4652         Add plugin functionality for link-time optimization (LTO).
4653         * configure.ac (plugins): Add --enable-plugins option.
4654         * configure: Regenerate.
4655         * config.in: Regenerate.
4656         * Makefile.am (LIBDL): New variable.
4657         (CCFILES): Add plugin.cc.
4658         (HFILES): Add plugin.h.
4659         (ldadd_var): Add LIBDL.
4660         * Makefile.in: Regenerate.
4662         * archive.cc: Include "plugin.h".
4663         (Archive::setup): Don't preread archive symbols when using a plugin.
4664         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
4665         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
4666         files.
4667         (Archive::include_member): Add symbols from plugin objects.
4668         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
4669         * descriptors.cc (Descriptors::open): Check for file descriptors
4670         abandoned by plugins.
4671         (Descriptors::claim_for_plugin): New function.
4672         * descriptors.h (Descriptors::claim_for_plugin): New function.
4673         (Open_descriptor::is_claimed): New field.
4674         (claim_descriptor_for_plugin): New function.
4675         * fileread.cc (File_read::claim_for_plugin): New function.
4676         * fileread.h (File_read::claim_for_plugin): New function.
4677         (File_read::descriptor): New function.
4678         * gold.cc: Include "plugin.h".
4679         (queue_initial_tasks): Add task to call plugin hooks for generating
4680         new object files.
4681         * main.cc: Include "plugin.h".
4682         (main): Load plugin libraries.
4683         * object.h (Pluginobj): Declare.
4684         (Object::pluginobj): New function.
4685         (Object::do_pluginobj): New function.
4686         (Object::set_target): New function.
4687         * options.cc: Include "plugin.h".
4688         (General_options::parse_plugin): New function.
4689         (General_options::General_options): Initialize plugins_ field.
4690         (General_options::add_plugin): New function.
4691         * options.h (Plugin_manager): Declare.
4692         (General_options): Add --plugin option.
4693         (General_options::has_plugins): New function.
4694         (General_options::plugins): New function.
4695         (General_options::add_plugin): New function.
4696         (General_options::plugins_): New field.
4697         * plugin.cc: New file.
4698         * plugin.h: New file.
4699         * readsyms.cc: Include "plugin.h".
4700         (Read_symbols::do_read_symbols): Check for archive before checking
4701         for ELF file.  Call plugin hooks to claim files.
4702         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
4703         from a real object file; force override when processing replacement
4704         files.
4705         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
4706         (Symbol::init_base_object): Likewise.
4707         (Symbol::init_base_output_data): Likewise.
4708         (Symbol::init_base_output_segment): Likewise.
4709         (Symbol::init_base_constant): Likewise.
4710         (Symbol::init_base_undefined): Likewise.
4711         (Symbol::output_section): Assert that object is not a plugin.
4712         (Symbol_table::add_from_pluginobj): New function.
4713         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
4714         undefined.
4715         (Symbol_table::sized_write_globals): Likewise.
4716         (Symbol_table::add_from_pluginobj): Instantiate template.
4717         * symtab.h (Sized_pluginobj): Declare.
4718         (Symbol::in_real_elf): New function.
4719         (Symbol::set_in_real_elf): New function.
4720         (Symbol::in_real_elf_): New field.
4721         (Symbol_table::add_from_pluginobj): New function.
4723         * testsuite/Makefile.am (AM_CFLAGS): New variable.
4724         (LIBDL): New variable.
4725         (LDADD): Add LIBDL.
4726         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
4727         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
4728         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
4729         (MOSTLYCLEANFILES): Likewise.
4730         * testsuite/Makefile.in: Regenerate.
4731         * testsuite/plugin_test.c: New file.
4732         * testsuite/plugin_test_1.sh: New file.
4733         * testsuite/plugin_test_2.sh: New file.
4735 2008-09-16  Ian Lance Taylor  <iant@google.com>
4737         * target-reloc.h (relocate_section): Check whether a symbol is
4738         defined by the ABI before reporting an undefined symbol error.
4739         * target.h (Target::is_defined_by_abi): Make parameter const.
4740         (Target::do_is_defined_by_abi): Likewise.
4741         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
4742         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
4743         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
4744         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
4745         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
4746         * testsuite/Makefile.in: Rebuild.
4748         * fileread.cc (make_view): Add casts to avoid warning.
4750 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
4752         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
4753         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4755 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
4757         * options.h (General_options::output_is_executable): New.
4758         (General_options::output_is_pie): New.
4759         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
4760         for shared libraries.
4761         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4763 2008-09-11  Chris Demetriou  <cgd@google.com>
4765         * options.h (origin): New -z option.
4766         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
4767         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
4768         in DT_FLAGS_1.
4770 2008-09-05  Cary Coutant  <ccoutant@google.com>
4772         * fileread.cc (File_read::make_view): Add check for attempt to map
4773         beyond end of file.
4775 2008-09-05  Cary Coutant  <ccoutant@google.com>
4777         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
4778         explicit instantiations.
4780 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
4782         PR gold/6858
4783         * options.cc (General_options::finalize): Allow undefined symbols
4784         in shlibs if linking -shared.
4786         PR gold/6859
4787         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
4788         symbols as not needing a dynsym entry.
4790 2008-08-20  Craig Silverstein  <csilvers@google.com>
4792         * fileread.cc (File_read::open): Do not lock the file unless it
4793         was successfully opened.
4795 2008-08-14  Cary Coutant  <ccoutant@google.com>
4797         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
4798         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
4799         * testsuite/tls_test.cc (struct int128): 128-bit struct
4800         for testing TLS relocs with non-zero addend.
4801         (v12): New TLS variable.
4802         (t12): New test.
4803         (t_last): Add check for v12.
4804         * testsuite/tls_test.h (t12): New function.
4805         * testsuite/tls_test_main.cc (thread_routine): Call new test.
4807 2008-08-13  Ian Lance Taylor  <iant@google.com>
4809         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
4810         set tls_segment_ or relro_segment_.
4811         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
4812         when appropriate.
4813         * output.h (Output_section::clear_is_relro): New function.
4814         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
4815         sections specially even when output_data_ is empty.
4816         (Output_segment::maximum_alignment): When first section is relro,
4817         only force alignment for PT_LOAD segments.
4818         * script.cc (script_data_segment_align): New function.
4819         (script_data_segment_relro_end): New function.
4820         * script-c.h (script_data_segment_align): Declare.
4821         (script_data_segment_relro_end): Declare.
4822         * script-sections.h (class Script_sections): Declare
4823         data_segment_align and data_segment_relro_end.  Add fields
4824         segment_align_index_ and saw_relro_end_.
4825         * script-sections.cc (class Sections_element): Add set_is_relro
4826         virtual function.  Add new bool* parameter to place_orphan_here.
4827         Add get_output_section virtual function.
4828         (class Output_section_definition): Add set_is_relro.  Add new
4829         bool* parameter to place_orphan_here.  Add get_output_section.
4830         Add is_relro_ field.
4831         (Output_section_definition::Output_section_definition): Initialize
4832         evaluated_address_, evaluated_load_address, evaluated_addralign_,
4833         and is_relro_ fields.
4834         (Output_section_definition::place_orphan_here): Add is_relro
4835         parameter.
4836         (Output_section_definition::set_section_addresses): Set relro for
4837         output section.
4838         (Output_section_definition::alternate_constraint): Likewise.
4839         (class Orphan_output_section): Add new bool* parameter to
4840         place_orphan_here.  Add get_output_section.
4841         (Orphan_output_section::place_orphan_here): Add is_relro
4842         parameter.
4843         (Script_sections::Script_sections): Initialize
4844         data_segment_align_index_ and saw_relro_end_.
4845         (Script_sections::data_segment_align): New function.
4846         (Script_sections::data_segment_relro_end): New function.
4847         (Script_sections::place_orphan): Set or clear is_relro.
4848         (Script_sections::set_section_addresses): Force alignment of first
4849         TLS section.
4850         * yyscript.y (exp): Call script_data_segment_align and
4851         script_data_segment_relro_end.
4852         * testsuite/relro_script_test.t: New file.
4853         * testsuite/relro_test.cc (using_script): Declare.
4854         (t1, t2): Test using_script.
4855         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
4856         (relro_script_test_SOURCES): Define.
4857         (relro_script_test_DEPENDENCIES): Define.
4858         (relro_script_test_LDFLAGS): Define.
4859         (relro_script_test_LDADD): Define.
4860         (relro_script_test.so): New target.
4861         * testsuite/Makefile.in: Rebuild.
4863 2008-08-06  Cary Coutant <ccoutant@google.com>
4865         * archive.cc (Archive::total_archives, Archive::total_members)
4866         (Archive::total_members_loaded): New variables.
4867         (Archive::setup): Add parameter.  Add option to preread
4868         archive symbols.
4869         (Archive::read_armap): Add counter.
4870         (Archive::get_file_and_offset): New function.
4871         (Archive::get_elf_object_for_member): New function.
4872         (Archive::read_all_symbols): New function.
4873         (Archive::read_symbols): New function.
4874         (Archive::add_symbols): Add counters.
4875         (Archive::include_all_members): Use armap to find members if it's
4876         already built.
4877         (Archive::include_member): Skip reading symbols if already read.
4878         Factored code into Archive::get_file_and_offset and
4879         Archive::get_elf_object_for_member.  Changed call to
4880         Mapfile::report_include_archive_member.
4881         (Archive::print_stats): New function.
4882         * archive.h: Declare Object and Read_symbols_data classes.
4883         (Archive::Archive): Add initializers for new members.
4884         (Archive::setup): Add parameter.
4885         (Archive::print_stats): New function.
4886         (Archive::total_archives, Archive::total_members)
4887         (Archive::total_members_loaded): New variables.
4888         (Archive::get_file_and_offset): New function.
4889         (Archive::get_elf_object_for_member): New function.
4890         (Archive::read_all_symbols): New function.
4891         (Archive::read_symbols): New function.
4892         (Archive::Archive_member): New class.
4893         (Archive::members_): New member.
4894         (Archive::num_members_): New member.
4895         * main.cc: Include archive.h.
4896         (main): Call Archive::print_stats.
4897         * mapfile.cc (Mapfile::report_include_archive_member): Delete
4898         archive parameter; member_name is now the fully-decorated name.
4899         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4900         * options.h: (General_options): Add --preread-archive-symbols option.
4901         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4902         Archive::setup.
4904 2008-08-04  Ian Lance Taylor  <iant@google.com>
4906         * symtab.h (Symbol::use_plt_offset): New function.
4907         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4908         * powerpc.cc (Relocate::relocate): Likewise.
4909         * sparc.cc (Relocate::relocate): Likewise.
4910         * x86_64.cc (Relocate::relocate): Likewise.
4911         * testsuite/weak_plt.sh: New test.
4912         * testsuite/weak_plt_main.cc: New test.
4913         * testsuite/weak_plt_shared.cc: New test.
4914         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4915         (check_PROGRAMS): Add weak_plt.
4916         (check_DATA): Add weak_plt_shared.so.
4917         (weak_plt_main_pic.o, weak_plt): New targets.
4918         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4919         * testsuite/Makefile.in: Rebuild.
4921         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4922         gcctestdir/ld.
4923         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4924         * testsuite/Makefile.in: Rebuild.
4926 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
4928         * Makefile.am (POTFILES.in): Set LC_ALL=C.
4929         * Makefile.in: Regenerate.
4930         * po/POTFILES.in: Regenerate.
4932 2008-07-29  Ian Lance Taylor  <iant@google.com>
4934         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4935         symbols before other symbols.
4936         * testsuite/script_test_2.cc (test_addr): Declare.
4937         (test_addr_alias): Declare.
4938         (main): Check that test_addr and test_addr_alias have the right
4939         values.
4940         * testsuite/script_test_2.t: Define test_addr_alias and
4941         test_addr.
4943 2008-07-24  Ian Lance Taylor  <iant@google.com>
4945         PR 5990
4946         * descriptors.cc: New file.
4947         * descriptors.h: New file.
4948         * gold-threads.h (class Hold_optional_lock): New class.
4949         * fileread.cc: Include "descriptors.h".
4950         (File_read::~File_read): Release descriptor rather than closing
4951         it.
4952         (File_read::open) [file]: Call open_descriptor rather than open.
4953         Set is_descriptor_opened_.
4954         (File_read::open) [memory]: Assert that descriptor is not open.
4955         (File_read::reopen_descriptor): New function.
4956         (File_read::release): Release descriptor.
4957         (File_read::do_read): Make non-const.  Reopen descriptor.
4958         (File_read::read): Make non-const.
4959         (File_read::make_view): Reopen descriptor.
4960         (File_read::do_readv): Likewise.
4961         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4962         Update declarations.
4963         * layout.cc: Include "descriptors.h".
4964         (Layout::create_build_id): Use open_descriptor rather than open.
4965         * output.cc: Include "descriptors.h".
4966         (Output_file::open): Use open_descriptor rather than open.
4967         * archive.cc (Archive::const_iterator): Change Archive to be
4968         non-const.
4969         (Archive::begin, Archive::end): Make non-const.
4970         (Archive::count_members): Likewise.
4971         * archive.h (class Archive): Update declarations.
4972         * object.h (Object::read): Make non-const.
4973         * Makefile.am (CCFILES): Add descriptors.cc.
4974         (HFILES): Add descriptors.h.
4975         * Makefile.in: Rebuild.
4977         PR 6716
4978         * gold.h: Always include <clocale>.  Add Solaris workarounds
4979         following code in binutils/sysdep.h.
4981         PR 6048
4982         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4983         this->eh_frame_hdr_ is NULL before using it.
4985         * dynobj.cc (Versions::Versions): Update comment.
4987         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4988         the base version name.
4990         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4991         array size plus one.
4992         (Stringpool_template::set_string_offsets): Subtract one from key
4993         before using it as an array index.
4994         (Stringpool_template::get_offset_with_length): Likewise.
4995         (Stringpool_template::write_to_buffer): Likewise.
4996         * stringpool.h (Stringpool_template::get_offset_from_key):
4997         Likewise.
4999 2008-07-23  Ian Lance Taylor  <iant@google.com>
5001         PR 6658
5002         * object.h (Merged_symbol_value::value): Do our best to handle a
5003         negative addend.
5005         PR 6647
5006         * script.cc (Version_script_info::get_versions): Don't add empty
5007         version tag to return value.
5008         (Version_script_info::get_symbol_version_helper): Change return
5009         type to bool.  Add pversion parameter.  Change all callers.
5010         (script_register_vers_node): Don't require a non-NULL tag.
5011         * script.h (class Version_script_info): Update declarations.
5012         (Version_script_info::get_symbol_version): Change return type to
5013         bool.  Add version parameter.  Change all callers.
5014         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5015         handling.  Handle an empty version from a version script.
5016         (Symbol_table::define_special_symbol): Likewise.
5017         * testsuite/ver_test_10.script: New file.
5018         * testsuite/ver_test_10.sh: New file.
5019         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5020         (check_DATA): Add ver_test_10.syms.
5021         (ver_test_10.syms, ver_test_10.so): New target.
5022         * testsuite/Makefile.in: Rebuild.
5024 2008-07-23  Simon Baldwin  <simonb@google.com>
5026         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5027         to zero for undefined symbols from dynamic libraries.
5029 2008-07-23  Ian Lance Taylor  <iant@google.com>
5031         * symtab.cc (Symbol_table::resolve): Remove version parameter.
5032         Change all callers.
5033         * symtab.h (class Symbol_table): Update declaration.
5034         * testsuite/ver_test_9.cc: New file.
5035         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5036         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5037         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5038         (ver_test_9.so, ver_test_9.o): New targets.
5039         * testsuite/Makefile.in: Rebuild.
5041 2008-07-22  Ian Lance Taylor  <iant@google.com>
5043         * options.h (class General_options): Define --check-sections.
5044         * layout.cc (Layout::set_segment_offsets): Handle
5045         --check-sections.
5047         * options.h (class General_options): Define -n/--nmagic and
5048         -N/--omagic.
5049         * options.cc (General_options::finalize): For -n/--nmagic or
5050         -N/--omagic, set -static.
5051         * layout.cc (Layout::attach_allocated_section_to_segment): If
5052         -N/--omagic, don't put read-only and read-write sections in
5053         different segments.
5054         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5055         finding a read-only segment.
5056         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5057         don't set the minimum segment alignment to the common page size,
5058         and don't set the file offset to the address modulo the page size.
5059         * script-sections.cc (Script_sections::create_segments): If
5060         -n/--omagic, don't put read-only and read-write sections in
5061         different segments.
5063         * cref.cc: New file.
5064         * cref.h: New file.
5065         * options.h (class General_options): Add --print-symbol-counts.
5066         * main.cc (main): Issue defined symbol report if requested.
5067         * archive.cc (Archive::interpret_header): Make into a const member
5068         function.
5069         (Archive::add_symbols): Call Input_objects::archive_start and
5070         archive_stop.
5071         (Archive::const_iterator): Define new class.
5072         (Archive::begin, Archive::end): New functions.
5073         (Archive::include_all_members): Rewrite to use iterator.
5074         (Archive::count_members): New function.
5075         * archive.h (class Archive): Update declarations.
5076         (Archive::filename): New function.
5077         * object.cc: Include "cref.h".
5078         (Sized_relobj::Sized_relobj): Initialize defined_count_.
5079         (Sized_relobj::do_get_global_symbol_counts): New function.
5080         (Input_objects::add_object): Add object to cross-referencer.
5081         (Input_objects::archive_start): New function.
5082         (Input_objects::archive_stop): New function.
5083         (Input_objects::print_symbol_counts): New function.
5084         * object.h: Declare Cref and Archive.
5085         (Object::get_global_symbol_counts): New function.
5086         (Object::do_get_global_symbol_counts): New pure virtual function.
5087         (class Sized_relobj): Add defined_count_ field.  Update
5088         declarations.
5089         (class Input_objects): Add cref_ field.  Update constructor.
5090         Update declarations.
5091         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
5092         defined_count_.
5093         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
5094         symbol counts.
5095         (Sized_dynobj::do_get_global_symbol_counts): New function.
5096         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
5097         defined_count_.  Update declarations.  Define Symbols typedef.
5098         * symtab.cc (Symbol_table::add_from_relobj): Add defined
5099         parameter.  Change all callers.
5100         (Symbol_table::add_from_dynobj): Add sympointers and defined
5101         parameters.  Change all callers.
5102         * symtab.h (class Symbol_table): Update declarations.
5103         * Makefile.am (CCFILES): Add cref.cc.
5104         (HFILES): Add cref.h.
5105         * Makefile.in: Rebuild.
5107 2008-07-22  Simon Baldwin  <simonb@google.com>
5109         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
5110         to zero when writing undefined symbols.
5112 2008-07-22  Ian Lance Taylor  <iant@google.com>
5114         * output.cc (Output_section::add_input_section): Don't try to
5115         merge empty merge sections.
5117 2008-07-21  Craig Silverstein  <csilvers@google.com>
5119         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5120         Include symbol version in error message.
5122 2008-07-20  Chris Demetriou  <cgd@google.com>
5124         * configure.ac (gold_cv_c_random_seed): New configured variable.
5125         (RANDOM_SEED_CFLAGS): New substituted variable.
5126         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
5127         * configure: Rebuild.
5128         * Makefile.in: Likewise.
5129         * testsuite/Makefile.in: Likewise.
5131 2008-07-18  Ian Lance Taylor  <iant@google.com>
5133         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
5134         where we see NAME/NULL and NAME/VERSION  as separate symbols.
5135         * testsuite/ver_test_main.cc (main): Call t4.
5136         (t4, t4_2a): Define.
5137         * testsuite/ver_test_2.cc (t4_2): Define.
5138         * testsuite/ver_test_2.script: Put t4_2a in VER2.
5139         * testsuite/ver_test_4.cc (t4_2a): Define.
5140         * testsuite/ver_test_4.script: Put t4_2a in VER2.
5141         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
5143 2008-07-17  Ian Lance Taylor  <iant@google.com>
5145         * dynobj.cc (Versions::add_def): If we give an error about a
5146         missing version, go ahead and create the version anyhow.
5148 2008-07-10  Ian Lance Taylor  <iant@google.com>
5150         Handle output sections with more than 0x7fffffff bytes.
5151         * object.h (class Relobj): Change map_to_output_ to
5152         output_sections_, and just keep a section pointer.  Change all
5153         uses.  Move comdat group support to Sized_relobj.
5154         (Relobj::is_section_specially_mapped): Remove.
5155         (Relobj::output_section): Remove poff parameter.  Change all
5156         callers.
5157         (Relobj::output_section_offset): New function.
5158         (Relobj::set_section_offset): Rewrite.
5159         (Relobj::map_to_output): Remove.
5160         (Relobj::output_sections): New function.
5161         (Relobj::do_output_section_offset): New pure virtual function.
5162         (Relobj::do_set_section_offset): Likewise.
5163         (class Sized_relobj): Add section_offsets_ field.  Add comdat
5164         group support from Relobj.  Update declarations.
5165         (Sized_relobj::get_output_section_offset): New function.
5166         (Sized_relobj::do_output_section_offset): New function.
5167         (Sized_relobj::do_set_section_offset): New function.
5168         * object.cc (Relobj::output_section_address): Remove.
5169         (Sized_relobj::Sized_relobj): Initialize new fields.
5170         (Sized_relobj::include_section_group): Cast find_kept_object to
5171         Sized_relobj.
5172         (Sized_relobj::include_linkonce_section): Likewise.
5173         (Sized_relobj::do_layout): Use separate arrays for output section
5174         and output offset.
5175         (Sized_relobj::do_count_local_symbols): Change map_to_output to
5176         output_sections.
5177         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
5178         output_sections and section_offsets.
5179         (Sized_relobj::write_local_symbols): Likewise.
5180         (map_to_kept_section): Compute output address directly.
5181         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
5182         output_sections and section_offsets.
5183         (Sized_relobj::write_sections): Likewise.
5184         (Sized_relobj::relocate_sections): Likewise.
5185         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
5186         * output.h (class Output_reloc): Update declarations.  Change
5187         u2_.relobj to Sized_relobj*.
5188         (class Output_data_reloc): Change add functions to use
5189         Sized_relobj*.
5190         * output.cc (Output_reloc::Output_reloc): Change relobj to
5191         Sized_relobj*.
5192         (Output_reloc::local_section_offset): Change return type to
5193         Elf_Addr.  Use get_output_section_offset.
5194         (Output_reloc::get_address): Likewise.
5195         (Output_section::is_input_address_mapped): Don't call
5196         is_section_specially_mapped.
5197         (Output_section::output_offset): Likewise.
5198         (Output_section::output_address): Likewise.
5199         (Output_section::starting_output_address): Likewise.
5200         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
5201         parameter to Sized_relobj*.
5202         (Copy_relocs::need_copy_reloc): Likewise.
5203         (Copy_relocs::save): Likewise.
5204         * copy-relocs.h (class Copy_relocs): Update declarations.
5205         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
5206         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
5207         * target-reloc.h (relocate_for_relocatable): Change
5208         offset_in_output_section type to Elf_Addr.  Change code that uses
5209         it as well.
5210         * layout.cc (Layout::layout): Always set *off.
5211         * mapfile.cc (Mapfile::print_input_section): Use
5212         output_section_offset.
5213         * i386.cc (Target_i386::copy_reloc): Change object parameter to
5214         Sized_relobj*.
5215         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
5216         * sparc.cc (Target_sparc::copy_reloc): Likewise.
5217         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
5219 2008-07-03  Ian Lance Taylor  <iant@google.com>
5221         * layout.cc (Layout::include_section): Do not discard unrecognized
5222         SHT_STRTAB sections.
5224 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
5226         * script.cc (Lex::can_continue_name): Make '?' allowable in
5227         version-script names.
5228         * testsuite/version_script.map: Change glob pattern to use '?'
5230 2008-06-30  Manish Singh  <yosh@gimp.org>
5232         PR 6585
5233         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
5234         Correct typo.
5236 2008-06-30  Ian Lance Taylor  <iant@google.com>
5238         PR 6660
5239         PR 6682
5240         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
5241         versions]: Don't try to read the value in the contents, since we
5242         don't use it.  Use the template endianness when writing.
5244 2008-06-25  Cary Coutant  <ccoutant@google.com>
5246         * fileread.cc (File_read::make_view): Assert on zero-length view.
5247         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
5248         symbol table when there are no symbols to read.
5250 2008-06-23  Craig Silverstein  <csilvers@google.com>
5252         * version.cc (version_string): Bump to 1.7
5254 2008-06-18  Craig Silverstein  <csilvers@google.com>
5256         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
5257         constant 0xFFFF to type Valtype.
5258         (Powerpc_relocate_functions::rel16_ha): Likewise.
5260 2008-06-17  Ian Lance Taylor  <iant@google.com>
5262         * output.h (Output_section::Input_section): Initialize p2align_ to
5263         zero for Output_section_data constructors.
5264         (Output_section::Input_section::addralign): If not an input
5265         section, return the alignment of the Output_section_data.
5266         * testsuite/copy_test.cc: New file.
5267         * testsuite/copy_test_1.cc: New file.
5268         * testsuite/copy_test_2.cc: New file.
5269         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
5270         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
5271         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
5272         (copy_test_1_pic.o, copy_test_1.so): New targets.
5273         (copy_test_2_pic.o, copy_test_2.so): New targets.
5274         * testsuite/Makefile.in: Rebuild.
5276         * script-sections.cc (Script_sections::place_orphan): Initialize
5277         local variable exact.
5279 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
5281         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
5283 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
5284             David S. Miller  <davem@davemloft.net>
5286         * powerpc.cc: New file.
5287         * Makefile.am (TARGETSOURCES): Add powerpc.cc
5288         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
5289         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
5290         * Makefile.in: Rebuild.
5292 2008-06-09  Ian Lance Taylor  <iant@google.com>
5294         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
5295         <exception>.
5296         (throwing, orig_terminate): New static variables.
5297         (terminate_handler): New static function.
5298         (t2): Set terminate handler.
5300 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
5302         PR 6584
5303         * binary.cc (Binary_to_elf::sized_convert): Fix .data
5304         alignment.
5306 2008-05-30  Cary Coutant  <ccoutant@google.com>
5308         * archive.cc (Archive::include_all_members) Correct to step
5309         over symbol table and extended name table in thin archives.
5311 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
5313         PR 6407
5314         * target-reloc.h (relocate_for_relocatable): Fix new_offset
5315         calculation.
5317 2008-05-28  Caleb Howe  <cshowe@google.com>
5319         * reduced_debug_output.cc: New file.
5320         * reduced_debug_output.h: New file.
5321         * options.h (class General_options): Add --strip-debug-non-line.
5322         * options.cc (General_options::finalize): Add strip_debug_non_line
5323         to the strip heirarchy.
5324         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
5325         fields.
5326         * layout.cc: Include "reduced_debug_output.h".
5327         (Layout::Layout): Initialize new fields.
5328         (line_only_debug_sections): New static array.
5329         (is_lines_only_debug_sections): New static inline function.
5330         (Layout::include_section): Handle --strip-debug-non-line.
5331         (Layout::make_output_section): If --strip-debug-non-line, build
5332         new output sections for .debug_abbrev and .debug_info.
5333         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
5334         gold.  Warn about possible overflow.
5335         (read_signed_LEB_128): Likewise.
5336         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
5337         (read_signed_LEB_128): Declare.
5338         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
5339         (HFILES): Add reduced_debug_output.h.
5340         * Makefile.in: Rebuild.
5342 2008-05-21  Ian Lance Taylor  <iant@google.com>
5344         * mapfile.cc: New file.
5345         * mapfile.h: New file.
5346         * options.h (class General_options): Add -M/--print-map and -Map.
5347         * options.cc (General_options::finalize): Make -M equivalent to
5348         -Map -.
5349         * main.cc: Include <cstdio> and "mapfile.h".
5350         (main): Open mapfile if requested.
5351         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
5352         constructor.  Change caller.
5353         (queue_initial_tasks): Add mapfile parameter.  Change caller.
5354         (queue_middle_tasks): Likewise.
5355         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
5356         declarations.
5357         * archive.cc: Include "mapfile.h".
5358         (Archive::add_symbols): Add mapfile parameter.  Change all
5359         callers.  Pass mapfile, symbol, and reason to include_member.
5360         (Archive::include_all_members): Add mapfile parameter.  Change all
5361         callers.
5362         (Archive::include_member): Add mapfile, sym, and why parameters.
5363         Change all callers.  Report inclusion to map file.
5364         * archive.h: Include "fileread.h".
5365         (class Archive): Update declarations.
5366         (Archive::file): New const method.
5367         (class Add_archive_symbols): Add mapfile_ field.  Update
5368         constructor.  Change all callers.
5369         * readsyms.h (class Read_symbols): Likewise.
5370         (class Finish_group): Likewise.
5371         (class Read_script): Likewise.
5372         * common.cc: Include "mapfile.h".
5373         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
5374         all callers.
5375         (Symbol_table::do_allocate_commons): Likewise.
5376         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
5377         symbol allocation to mapfile.
5378         * common.h (class Allocate_commons_task): Add mapfile_ field.
5379         Update constructor.  Change all callers.
5380         * symtab.h (class Symbol_table): Update declarations.
5381         * layout.cc: Include "mapfile.h".
5382         (Layout_task_runner::run): Print information to mapfile.
5383         (Layout::create_gold_note): Change Output_data_fixed_space to
5384         Output_data_zero_fill.
5385         (Layout::create_build_id): Likewise.
5386         (Layout::print_to_mapfile): New function.
5387         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
5388         constructor.  Change caller.
5389         (class Layout): Declare print_to_mapfile.
5390         * output.cc (Output_section::Input_section::print_to_mapfile): New
5391         function.
5392         (Output_section::add_input_section): If producing a map, always
5393         add to input_sections_ list.
5394         (Output_section::do_print_to_mapfile): New function.
5395         (Output_segment::print_sections_to_mapfile): New function.
5396         (Output_segment::print_section_list_to_mapfile): New function.
5397         * output.h: Include "mapfile.h".
5398         (Output_data::print_to_mapfile): New function.
5399         (Output_data::do_print_to_mapfile): New virtual function.
5400         (Output_segment_headers::do_print_to_mapfile): New function.
5401         (Output_file_header::do_print_to_mapfile): New function.
5402         (Output_data_const::do_print_to_mapfile): New function.
5403         (class Output_data_const_buffer): Add map_name_ field.  Update
5404         constructor.  Change all callers.  Add do_print_to_mapfile
5405         function.
5406         (class Output_data_fixed_space): Likewise.
5407         (class Output_data_space): Likewise.
5408         (class Output_data_zero_fill): New class.
5409         (Output_data_strtab::do_print_to_mapfile): New function.
5410         (Output_data_reloc_base::do_print_to_mapfile): New function.
5411         (Output_relocatable_relocs::do_print_to_mapfile): New function.
5412         (Output_data_group::do_print_to_mapfile): New function.
5413         (Output_data_got::do_print_to_mapfile): New function.
5414         (Output_data_dynamic::do_print_to_mapfile): New function.
5415         (Output_symtab_xindex::do_print_to_mapfile): New function.
5416         (class Output_section): Declare do_print_to_mapflie.  Declare
5417         print_to_mapfile in Input_section.
5418         (class Output_segment): Declare new functions.
5419         * object.h (Sized_relobj::symbol_count): New function.
5420         * script-sections.cc
5421         (Output_section_element_dot_assignment::set_section_addresses):
5422         Change Output_data_fixed_space to Output_data_zero_fill.
5423         (Output_data_expression::do_print_to_mapfile): New function.
5424         * script.cc (read_input_script): Add mapfile parameter.  Change
5425         all callers.
5426         * script.h (read_input_script): Update declaration.
5427         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
5428         (Eh_frame::do_print_to_mapfile): New function.
5429         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
5430         (Output_merge_string::do_print_to_mapfile): New function.
5431         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
5432         function.
5433         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
5434         function.
5435         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
5436         function.
5437         * Makefile.am (CCFILES): Add mapfile.cc.
5438         (HFILES): Add mapfile.h.
5439         * Makefile.in: Rebuild.
5441 2008-05-19  Ian Lance Taylor  <iant@google.com>
5443         * options.h (class General_options): Add -z relro.
5444         * layout.cc (Layout::Layout): Initialize relro_segment_.
5445         (Layout::add_output_section_data): Return the output section.
5446         (Layout::make_output_section): Rcognize relro sections and mark
5447         them appropriately.
5448         (Layout::attach_allocated_section_to_segment): Put relro sections
5449         in a PT_GNU_RELRO segment.
5450         (Layout::create_initial_dynamic_sections): Mark the .dynamic
5451         section as relro.
5452         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
5453         PT_TLS segments.
5454         (Layout::linkonce_mapping): Map d.rel.ro.local to
5455         .data.rel.ro.local.
5456         (Layout::output_section_name): Us .data.rel.ro.local for any
5457         section which begins with that.
5458         * layout.h (class Layout): Update add_output_section_data
5459         declaration.  Add relro_segment_ field.
5460         * output.cc (Output_section::Output_section): Initialize is_relro_
5461         and is_relro_local_ fields.
5462         (Output_segment::add_output_section): Group relro sections.
5463         (Output_segment::is_first_section_relro): New function.
5464         (Output_segment::maximum_alignment): If there is a relro section,
5465         align the segment to the common page size.
5466         (Output_segment::set_section_addresses): Track whether we are
5467         looking at relro sections.  If the last section is a relro
5468         section, align to the common page size.
5469         (Output_segment::set_section_list_addresses): Add in_relro
5470         parameter.  Change all callers.  Align to the page size when
5471         moving from relro to non-relro section.
5472         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
5473         segment.
5474         * output.h (class Output_section): Add is_relro_ and
5475         is_relro_local_ fields.
5476         (Output_section::is_relro): New function.
5477         (Output_section::set_is_relro): New function.
5478         (Output_section::is_relro_local): New function.
5479         (Output_section::set_is_relro_local): New function.
5480         (class Output_segment): Update declarations.
5481         * i386.cc (Target_i386::got_section): Mark .got section as relro.
5482         * sparc.cc (Target_sparc::got_section): Likewise.
5483         * x86_64.cc (Target_x86_64::got_section): Likewise.
5484         * testsuite/relro_test_main.cc: New file.
5485         * testsuite/relro_test.cc: New file.
5486         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
5487         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
5488         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
5489         (relro_test.so, relro_test_pic.o): New targets.
5490         * testsuite/Makefile.in: Rebuild.
5492 2008-05-16  Ian Lance Taylor  <iant@google.com>
5494         * output.cc (Output_segment::add_output_section): Remove front
5495         parameter.
5496         * output.h (class Output_segment): Remove
5497         add_initial_output_section and overloaded add_output_section.
5498         Update declaration of remaining add_output_section.
5499         * layout.cc (Layout::create_interp): Call add_output_section
5500         rather than add_initial_output_section.
5501         (Layout::finish_dynamic_section): Likewise.
5503         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
5504         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
5505         know the dynamic type.
5506         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
5507         field.  Initialize it in constructor.
5508         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
5509         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
5510         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
5511         reloc.
5513         * output.cc (Output_reloc::get_address): Change return type to
5514         Elf_Addr.
5515         * output.h (class Output_reloc): Update get_address declaration.
5516         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
5517         for section addresses.
5519 2008-05-09  Ian Lance Taylor  <iant@google.com>
5521         PR 6493
5522         * gold.cc (gold_nomem): Use return value of write.
5524 2008-05-08  Ian Lance Taylor  <iant@google.com>
5526         * symtab.c (Symbol::init_base_output_data): Add version
5527         parameter.  Change all callers.
5528         (Symbol::init_base_output_segment): Likewise.
5529         (Symbol::init_base_constant): Likewise.
5530         (Symbol::init_base_undefined): Likewise.
5531         (Sized_symbol::init_output_data): Likewise.
5532         (Sized_symbol::init_output_segment): Likewise.
5533         (Sized_symbol::init_constant): Likewise.
5534         (Sized_symbol::init_undefined): Likewise.
5535         (Symbol_table::do_define_in_output_data): If the new symbol has a
5536         version, mark it as the default.
5537         (Symbol_table::do_define_in_output_segment): Likewise.
5538         (Symbol_table::do_define_as_constant): Likewise.
5539         * symtab.h (class Symbol): Update declarations.
5540         (class Sized_symbol): Likewise.
5541         * resolve.cc (Symbol::override_version): New function.
5542         (Symbol::override_base): Call override_version.
5543         (Symbol::override_base_with_special): Likewise.
5544         * testsuite/ver_script_8.script: New file.
5545         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
5546         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
5547         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
5548         (ver_test_8_1.so, ver_test_8_2.so): New targets.
5550 2008-05-06  Ian Lance Taylor  <iant@google.com>
5552         PR 6049
5553         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
5554         functions.
5555         (class General_options): Remove existing --undefined, and add
5556         --no-undefined instead.  Add new --undefined as synonym for -u.
5557         * archive.cc (Archive::add_symbols): Check whether symbol was
5558         named with -u.
5559         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
5560         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
5561         all uses.  Add IS_UNDEFINED.  Update declarations to split
5562         different versions of init_base.  Declare init_base_undefined.
5563         (Symbol::is_defined): Handle IS_UNDEFINED.
5564         (Symbol::is_undefined): Likewise.
5565         (Symbol::is_weak_undefined): Call is_undefined.
5566         (Symbol::is_absolute): Handle IS_CONSTANT.
5567         (class Sized_symbol): Update declarations to split different
5568         versions of init.  Declare init_undefined.
5569         (class Symbol_table): Declare new functions.
5570         * symtab.cc (Symbol::init_base_object): Rename from init_base.
5571         Change all callers.
5572         (Symbol::init_base_output_data): Likewise.
5573         (Symbol::init_base_output_segment): Likewise.
5574         (Symbol::init_base_constant): Likewise.
5575         (Symbol::init_base_undefined): New function.
5576         (Sized_symbol::init_object): Rename from init.  Change all
5577         callers.
5578         (Sized_symbol::init_output_data): Likewise.
5579         (Sized_symbol::init_output_segment): Likewise.
5580         (Sized_symbol::init_constant): Likewise.
5581         (Sized_symbol::init_undefined): New function.
5582         (Symbol_table::add_undefined_symbols_from_command_line): New
5583         function.
5584         (Symbol_table::do_add_undefined_symbols_from_command_line): New
5585         function.
5586         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
5587         (Symbol::output_section): Likewise.
5588         (Symbol::set_output_section): Likewise.
5589         (Symbol_table::sized_finalize_symbol): Likewise.
5590         (Symbol_table::sized_write_globals): Likewise.
5591         * resolve.cc (Symbol_table::should_override): Likewise.
5592         (Symbol::override_base_with_special): Likewise.
5594         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
5595         symbol, change it to have default visibility.
5596         * testsuite/protected_1.cc: New file.
5597         * testsuite/protected_2.cc: New file.
5598         * testsuite/protected_3.cc: New file.
5599         * testsuite/protected_main_1.cc: New file.
5600         * testsuite/protected_main_2.cc: New file.
5601         * testsuite/protected_main_3.cc: New file.
5602         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
5603         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
5604         (protected_1_LDFLAGS, protected_1_LDADD): Define.
5605         (protected_1.so): New target.
5606         (protected_1_pic.o, protected_2_pic.o): New targets.
5607         (protected_3_pic.o): New target.
5608         (check_PROGRAMS): Add protected_2.
5609         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
5610         (protected_2_LDFLAGS, protected_2_LDADD): Define.
5611         * testsuite/Makefile.in: Rebuild.
5613         * options.h (DEFINE_var): Add set_user_set_##varname__.
5614         (DEFINE_bool_alias): New macro.
5615         (class General_options): Define -Bstatic using DEFINE_bool_alias
5616         rather than DEFINE_special.  Add --undefined as an alias for -z
5617         defs.
5618         * options.cc (General_options::parse_Bstatic): Remove.
5620         * options.h (class General_options): Add --fatal-warnings.
5621         * main.cc (main): Implement --fatal-warnings.
5622         * errors.h (Errors::warning_count): New function.
5624         * options.h (class General_options): Add -Bsymbolic-functions.
5625         * symtab.h (Symbol::is_preemptible): Check for
5626         -Bsymbolic-functions.
5628 2008-05-05  Ian Lance Taylor  <iant@google.com>
5630         * options.h (DEFINE_bool): For DASH_Z, create the negative option
5631         as noVARNAME rather than no-VARNAME.
5632         (class General_options): Add option -z combreloc.
5633         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
5634         get_address.
5635         (Output_reloc::sort_before) [SHT_REL]: New function.
5636         (Output_reloc::sort_before) [SHT_RELA]: New function.
5637         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
5638         Sort_relocs_comparison.
5639         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
5640         parameter.  Change all callers.
5641         (Output_data_reloc::Output_data_reloc) [both versions]: Add
5642         sort_relocs parameter.  Change all callers.
5643         * output.cc (Output_reloc::get_address): New function, broken out
5644         of write_rel.
5645         (Output_reloc::write_rel): Call it.
5646         (Output_reloc::compare): New function.
5647         (Output_data_reloc_base::do_write): Optionally sort relocs.
5649         * configure.ac: If targ_extra_obj is set, link it in.
5650         * configure.tgt: Initialize all variables.
5651         (x86_64*): Set targ_extra_obj and targ_extra_size.
5652         * configure: Rebuild.
5654         * object.cc (Sized_relobj::include_section_group): Adjust section
5655         indexes read from group data.  Build vector to pass to
5656         layout_group.
5657         * layout.cc (Layout::layout_group): Add flags and shndxes
5658         parameters.  Remove contents parameter.  Change caller.  Update
5659         explicit instantiations.
5660         * layout.h (class Layout): Update layout_group declaration.
5661         * output.cc (Output_data_group::Output_data_group): Add flags and
5662         input_shndxes parameters.  Remove contents parameter.  Change
5663         caller.
5664         (Output_data_group::do_write): Change input_sections_ to
5665         input_shndxes_.
5666         * output.h (class Output_data_group): Update constructor
5667         declaration.  Rename input_sections_ to input_shndxes_.
5668         * testsuite/many_sections_test.cc: Add template.
5670 2008-04-30  Cary Coutant  <ccoutant@google.com>
5672         * target-reloc.h (relocate_section): Fix dead-pointer bug.
5674         * layout.cc (Layout::include_section): Refactored check for debug
5675         info section.
5676         (Layout::add_comdat): Add new parameters.  Change type
5677         of signature parameter.  Add object and shndx to signatures table.
5678         (Layout::find_kept_object): New function.
5679         * layout.h: Include <cstring>.
5680         (Layout::is_debug_info_section): New function.
5681         (Layout::add_comdat): Add new parameters.
5682         (Layout::find_kept_object): New function.
5683         (Layout::Kept_section): New struct.
5684         (Layout::Signatures): Change type of map range.
5685         * object.cc (Relobj::output_section_address): New function.
5686         (Sized_relobj::include_section_group): Add new parameters.  Change
5687         calls to Layout::add_comdat.  Change to build table of kept comdat
5688         groups and table mapping discarded sections to kept sections.
5689         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
5690         (Sized_relobj::do_layout): Change calls to include_section_group and
5691         include_linkonce_section.
5692         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
5693         value to zero when section is discarded.
5694         (Sized_relobj::map_to_kept_section): New function.
5695         * object.h (Relobj::output_section_address): New function.
5696         (Relobj::Comdat_group): New type.
5697         (Relobj::find_comdat_group): New function.
5698         (Relobj::Comdat_group_table): New type.
5699         (Relobj::Kept_comdat_section): New type.
5700         (Relobj::Kept_comdat_section_table): New type.
5701         (Relobj::add_comdat_group): New function.
5702         (Relobj::set_kept_comdat_section): New function.
5703         (Relobj::get_kept_comdat_section): New function.
5704         (Relobj::comdat_groups_): New field.
5705         (Relobj::kept_comdat_sections_): New field.
5706         (Symbol_value::input_value): Update comment.
5707         (Sized_relobj::map_to_kept_section) New function.
5708         (Sized_relobj::include_linkonce_section): Add new parameter.
5709         * target-reloc.h (Comdat_behavior): New type.
5710         (get_comdat_behavior): New function.
5711         (relocate_section): Add code to map a discarded section to the
5712         corresponding kept section when applying a relocation.
5714 2008-04-30  Craig Silverstein  <csilvers@google.com>
5716         * dwarf_reader.cc (next_generation_count): New static var.
5717         (Addr2line_cache_entry): New struct.
5718         (addr2line_cache): New static var.
5719         (Dwarf_line_info::one_addr2line): Added caching.
5720         (Dwarf_line_info::clear_addr2line_cache): New function.
5721         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
5722         cache-size parameter.
5723         (Dwarf_line_info::one_addr2line_cache): New function.
5724         * symtab.cc (Symbol_table::detect_odr_violations): Pass
5725         new cache-size argument to one_addr2line(), and clear cache.
5727 2008-04-28  Cary Coutant  <ccoutant@google.com>
5729         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
5730         R_386_PC8 relocations.
5732 2008-04-23  Ian Lance Taylor  <iant@google.com>
5734         * object.cc (Sized_relobj::include_section_group): Check for
5735         invalid section group.
5737         * object.cc (make_elf_object): Correct test for 64-bit ELF file
5738         header size.
5740         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
5741         than read for file header.
5742         * archive.cc (Archive::include_member): Likewise.
5744 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
5746         * aclocal.m4: Regenerate.
5747         * configure: Regenerate.
5749 2008-04-19  Ian Lance Taylor  <iant@google.com>
5751         * version.cc (version_string): Bump to 1.6.
5753         * testsuite/Makefile.am (many_sections_r_test): New target.
5754         (many_sections_r_test_SOURCES): Remove.
5755         (many_sections_r_test_DEPENDENCIES): Remove.
5756         (many_sections_r_test_LDFLAGS): Remove.
5757         (many_sections_r_test_LDADD): Remove.
5759         * object.cc (Sized_relobj::do_add_symbols): Always pass
5760         local_symbol_count_ to add_from_relobj.
5762         * testsuite/Makefile.am (many_sections_check.h): Only check one in
5763         every thousand variables.
5764         * testsuite/Makefile.in: Rebuild.
5766         * object.cc (Xindex::initialize_symtab_xindex): New function.
5767         (Xindex::read_symtab_xindex): New function.
5768         (Xindex::sym_xindex_to_shndx): New function.
5769         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
5770         available.
5771         (Sized_relobj::do_initialize_xindex): New function.
5772         (Sized_relobj::do_read_symbols): Adjust section links.
5773         (Sized_relobj::symbol_section_and_value): Add is_ordinary
5774         parameter.  Change all callers.
5775         (Sized_relobj::include_section_group): Adjust section links and
5776         symbol section indexes.
5777         (Sized_relobj::do_layout): Adjust section links.
5778         (Sized_relobj::do_count_local_symbols): Adjust section links and
5779         symbol section indexes.
5780         (Sized_relobj::do_finalize_local_symbols): Distinguish between
5781         ordinary and special symbols.
5782         (Sized_relobj::write_local_symbols): Add symtab_xindex and
5783         dynsym_xindex parameters.  Change all callers.  Adjust section
5784         links.  Use SHN_XINDEX when needed.
5785         (Sized_relobj::get_symbol_location_info): Adjust section links.
5786         Don't get fooled by special symbols.
5787         * object.h (class Xindex): Define.
5788         (class Object): Add xindex_ parameter.  Declare virtual functoin
5789         do_initialize_xindex.
5790         (Object::adjust_sym_shndx): New function.
5791         (Object::set_xindex): New protected function.
5792         (class Symbol_value): Add is_ordinary_shndx_ field.
5793         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
5794         (Symbol_value::value): Assert ordinary section.
5795         (Symbol_value::initialize_input_to_output_map): Likewise.
5796         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
5797         Change all callers.
5798         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
5799         all callers.
5800         (class Sized_relobj): Update declarations.
5801         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
5802         parameter.  Change all callers.
5803         (Sized_relobj::adjust_shndx): New function.
5804         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
5805         field.
5806         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
5807         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
5808         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
5809         (Sized_dynobj::read_dynsym_section): Adjust section links.
5810         (Sized_dynobj::read_dynamic): Likewise.
5811         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
5812         section links.
5813         (Sized_dynobj::do_initialize_xindex): New function.
5814         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
5815         do_initialize_xindex.
5816         (Sized_dynobj::adjust_shndx): New function.
5817         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
5818         dynsym_xindex_ fields.
5819         (Layout::finalize): Add a call to set_section_indexes before
5820         creating the symtab sections.
5821         (Layout::set_section_indexes): Don't do anything if the section
5822         already has a section index.
5823         (Layout::create_symtab_sections): Add shnum parameter.  Change
5824         caller.  Create .symtab_shndx section if needed.
5825         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
5826         caller.
5827         (Layout::allocated_output_section_count): New function.
5828         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
5829         needed.
5830         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
5831         fields.  Update declarations.
5832         (Layout::symtab_xindex): New function.
5833         (Layout::dynsym_xindex): New function.
5834         (class Write_symbols_task): Add layout_ field.
5835         (Write_symbols_task::Write_symbols_task): Add layout parameter.
5836         Change caller.
5837         * output.cc (Output_section_headers::Output_section_headers): Add
5838         shstrtab_section parameter.  Change all callers.
5839         (Output_section_headers::do_sized_write): Store overflow values
5840         for section count and section string table section index in
5841         section header zero.
5842         (Output_file_header::do_sized_write): Check for overflow of
5843         section count and section string table section index.
5844         (Output_symtab_xindex::do_write): New function.
5845         (Output_symtab_xindex::endian_do_write): New function.
5846         * output.h (class Output_section_headers): Add shstrtab_section_.
5847         Update declarations.
5848         (class Output_symtab_xindex): Define.
5849         (Output_section::has_out_shndx): New function.
5850         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
5851         field.
5852         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
5853         Change all callers.
5854         (Sized_symbol::init): Likewise.
5855         (Symbol::output_section): Check for ordinary symbol.
5856         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
5857         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
5858         callers.
5859         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
5860         Change all callers.  Simplify handling of symbols from sections
5861         not included in the link.
5862         (Symbol_table::add_from_dynobj): Handle ordinary symbol
5863         distinction.
5864         (Weak_alias_sorter::operator()): Assert that symbols are
5865         ordinary.
5866         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
5867         distinction.
5868         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
5869         parameters.  Change all callers.
5870         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
5871         symbol distinction.  Use SHN_XINDEX when needed.
5872         (Symbol_table::write_section_symbol): Add symtab_xindex
5873         parameter.  Change all callers.
5874         (Symbol_table::sized_write_section_symbol): Likewise.  Use
5875         SHN_XINDEX when needed.
5876         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
5877         declarations.
5878         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
5879         (Symbol::is_defined): Check is_ordinary.
5880         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
5881         (Symbol::is_absolute, Symbol::is_common): Likewise.
5882         (class Sized_symbol): Update declarations.
5883         (class Symbol_table): Update declarations.
5884         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
5885         parameters.  Change all callers.
5886         (Sized_symbol::override): Likewise.
5887         (Symbol_table::override): Likewise.
5888         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
5889         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
5890         is_ordinary, and orig_st_shndx parameters.  Change all callers.
5891         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
5892         to be in an ordinary section.
5893         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
5894         object and is_ordinary parameters.  Change all callers.
5895         (Sized_dwarf_line_info::read_relocs): Add object parameter.
5896         Change all callers.  Don't add undefined or non-ordinary symbols
5897         to reloc_map_.
5898         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5899         Change all callers.
5900         * dwarf_reader.h (class Sized_dwarf_line_info): Update
5901         declarations.
5902         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5903         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5904         (Sized_relobj::relocate_sections): Likewise.
5905         * target-reloc.h (scan_relocs): Adjust section symbol index.
5906         (scan_relocatable_relocs): Likewise.
5907         * i386.cc (Scan::local): Check for ordinary symbols.
5908         * sparc.cc (Scan::local): Likewise.
5909         * x86_64.cc (Scan::local): Likewise.
5910         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5911         to symbol_section_and_value.
5912         * testsuite/many_sections_test.cc: New file.
5913         * testsuite/Makefile.am (BUILT_SOURCES): Define.
5914         (check_PROGRAMS): Add many_sections_test.
5915         (many_sections_test_SOURCES): Define.
5916         (many_sections_test_DEPENDENCIES): Define.
5917         (many_sections_test_LDFLAGS): Define.
5918         (BUILT_SOURCES): Add many_sections_define.h.
5919         (many_sections_define.h): New target.
5920         (BUILT_SOURCES): Add many_sections_check.h.
5921         (many_sections_check.h): New target.
5922         (check_PROGRAMS): Add many_sections_r_test.
5923         (many_sections_r_test_SOURCES): Define.
5924         (many_sections_r_test_DEPENDENCIES): Define.
5925         (many_sections_r_test_LDFLAGS): Define.
5926         (many_sections_r_test_LDADD): Define.
5927         (many_sections_r_test.o): New target.
5928         * testsuite/Makefile.in: Rebuild.
5930 2008-04-17  Cary Coutant  <ccoutant@google.com>
5932         * errors.cc (Errors::info): New function.
5933         (gold_info): New function.
5934         * errors.h (Errors::info): New function.
5935         * gold.h (gold_info): New function.
5936         * object.cc (Input_objects::add_object): Print trace output.
5937         * options.cc (options::parse_set): New function.
5938         (General_options::parse_wrap): Deleted.
5939         (General_options::General_options): Deleted initializer.
5940         * options.h (options::String_set): New typedef.
5941         (options::parse_set): New function.
5942         (DEFINE_set): New macro.
5943         (General_options::wrap): Changed to use DEFINE_set. Changed
5944         callers of any_wrap_symbols and is_wrap_symbol.
5945         (General_options::trace, General_options::trace_symbol):
5946         New options.
5947         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5948         (General_options::wrap_symbols_): Deleted.
5949         * symtab.cc (Symbol_table::add_from_object): Print trace output.
5951 2008-04-17  David S. Miller  <davem@davemloft.net>
5953         * options.cc (General_options::parse_V): New function.
5954         * options.h: Add entries for -V and -Qy.
5956 2008-04-17  Ian Lance Taylor  <iant@google.com>
5958         * common.cc (Symbol_table::allocate_commons): Remove options
5959         parameter.  Change caller.
5960         (Symbol_table::do_allocate_commons): Remove options parameter.
5961         Change caller.  Just call do_allocate_commons_list twice.
5962         (Symbol_table::do_allocate_commons_list): New function, broken out
5963         of do_allocate_commons.
5964         * common.h (class Allocate_commons_task): Remove options_ field.
5965         Update constructor.
5966         * symtab.cc (Symbol_table::Symbol_table): Initialize
5967         tls_commons_.
5968         (Symbol_table::add_from_object): Put TLS common symbols on
5969         tls_commons_ list.
5970         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5971         which are IN_OUTPUT_DATA.
5972         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5973         allocate_commons and do_allocate_commons declarations.  Declare
5974         do_allocate_commons_list.
5975         * gold.cc (queue_middle_tasks): Update creation of
5976         Allocate_commons_task to not pass options.
5977         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5978         (TLS_TEST_C_FLAGS): New variable.
5979         (tls_test_c_pic.o): New target.
5980         (tls_test_shared.so): Link in tls_test_c_pic.o.
5981         (tls_test_c_pic_ie.o): New target.
5982         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5983         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5984         (tls_test_c.o): New target.
5985         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5986         (tls_pic_test_LDADD): Likewise.
5987         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5988         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5989         (tls_test_c_gnu2.o): New target.
5990         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5991         tls_test_c_gnu2.o.
5992         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5993         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5994         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5995         * testsuite/tls_test.cc: Include "config.h".
5996         (t_last): Call t11_last.
5997         * testsuite/tls_test.h (t11, t11_last): Declare.
5998         * testsuite/tls_test_c.c: New file.
5999         * testsuite/tls_test_main.cc (thread_routine): Call t11.
6000         * configure.ac: Check for OpenMP support.
6001         * configure, config.in, Makefile.in: Rebuild.
6002         * testsuite/Makefile.in: Rebuild.
6004 2008-04-16  Cary Coutant  <ccoutant@google.com>
6006         * i386.cc (Target_i386::define_tls_base_symbol): New function.
6007         (Target_i386::tls_base_symbol_defined_): New field.
6008         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6009         (Target_i386::Scan::global): Likewise.
6010         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6011         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6012         (Target_x86_64::tls_base_symbol_defined_): New field.
6013         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6014         (Target_x86_64::Scan::global): Likewise.
6016 2008-04-16  Cary Coutant  <ccoutant@google.com>
6018         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6019         (Symbol::needs_plt_entry): Allow weak undefined symbols.
6020         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6021         building shared libraries.
6022         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6023         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6024         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6025         * testsuite/Makefile.in: Rebuild.
6026         * testsuite/weak_undef.h: New file.
6027         * testsuite/weak_undef_file1.cc: Add extra test cases.
6028         * testsuite/weak_undef_file2.cc: Likewise.
6029         * testsuite/weak_undef_test.cc: Likewise.
6031 2008-04-16  David S. Miller  <davem@davemloft.net>
6033         * sparc.cc (Target_sparc::Scan): Change from struct to class.
6034         Add issued_non_pic_error_ field.  Declare check_non_pic.
6035         (Target_sparc::Scan::check_non_pic): New function.
6036         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6037         (Target_sparc::Scan::global): Likewise.
6039         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6040         * configure: Rebuild.
6042         * options.h (DEFINE_enable): New macro.
6043         (new_dtags): New enable option.
6044         (initfirst, interpose, loadfltr, nodefaultlib,
6045         nodelete, nodlopen, nodump): New -z options.
6046         * layout.cc (Layout:finish_dynamic_section): If new
6047         dtags enabled, emit DT_RUNPATH.  Also, emit a
6048         DT_FLAGS_1 containing any specified -z flags.
6050 2008-04-16  Ian Lance Taylor  <iant@google.com>
6052         * copy-relocs.cc: New file.
6053         * copy-relocs.h: New file.
6054         * reloc.cc: Remove Copy_relocs code.
6055         * reloc.h: Likewise.
6056         * reloc-types.h (struct Reloc_types) [both versions]: Add
6057         get_reloc_addend_noerror.
6058         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6059         variants of add_global which take an addend which must be zero.
6060         * i386.cc: Include "copy-relocs.h".
6061         (class Target_i386): Change type of copy_relocs_ to variable,
6062         update initializer.
6063         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6064         Change all callers.
6065         (Target_i386::do_finalize_sections): Change handling of
6066         copy_relocs_.
6067         * sparc.cc: Include "copy-relocs.h".
6068         (class Target_sparc): Change type of copy_relocs_ to variable,
6069         update initializer.
6070         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
6071         Change all callers.
6072         (Target_sparc::do_finalize_sections): Change handling of
6073         copy_relocs_.
6074         * x86_64.cc: Include "copy-relocs.h".
6075         (class Target_x86_64): Change type of copy_relocs_ to variable,
6076         update initializer.
6077         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
6078         class.  Change all callers.
6079         (Target_x86_64::do_finalize_sections): Change handling of
6080         copy_relocs_.
6081         * Makefile.am (CCFILES): Add copy-relocs.cc.
6082         (HFILES): Add copy-relocs.h.
6084         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
6086         * testsuite/script_test_4.sh: Permit leading zeroes.
6088 2008-04-15  Ian Lance Taylor  <iant@google.com>
6090         * script-sections.cc (Script_sections::create_segments): Use
6091         header_size_adjustment even when there is enough room for the
6092         headers.
6093         * testsuite/script_test_4.sh: New file.
6094         * testsuite/script_test_4.t: New file.
6095         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
6096         (check_DATA): Add script_test_4.stdout.
6097         (MOSTLYCLEANFILES): Likewise.
6098         (script_test_4): New target.
6099         (script_test_4.stdout): New target.
6100         * testsuite/Makefile.in: Rebuild.
6102         * sparc.cc: Add definitions for Output_data_plt_sparc class
6103         constants.
6105 2008-04-14  David S. Miller  <davem@davemloft.net>
6107         * sparc.cc: New file.
6108         * Makefile.am (TARGETSOURCES): Add sparc.cc
6109         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
6110         * configure.tgt: Document targ_extra_size and
6111         targ_extra_big_endian.  Add entries for sparc-* and
6112         sparc64-*.
6113         * configure.ac: Handle targ_extra_size and
6114         targ_extra_big_endian.
6115         * Makefile.in: Rebuild.
6116         * configure: Likewise.
6117         * po/POTFILES.in: Likewise.
6118         * po/gold.pot: Likewise.
6120 2008-04-14  Ian Lance Taylor  <iant@google.com>
6122         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
6123         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
6124         in the name/type/flags to section mapping.  Don't call
6125         allocate_output_section.
6126         (Layout::choose_output_section): Change parameter from adjust_name
6127         to is_input_section.  Don't permit input sections after sections
6128         are attached to segments.  Don't call allocate_output_section.
6129         (Layout::layout_eh_frame): Call update_flags_for_input_section,
6130         not write_enable_output_section.
6131         (Layout::make_output_section): Don't push to
6132         unattached_section_list_ nor call attach_to_segment.  Call
6133         attach_section_to_segment if sections are attached.
6134         (Layout::attach_sections_to_segments): New function.
6135         (Layout::attach_section_to_segment): New function.
6136         (Layout::attach_allocated_section_to_segment): Rename from
6137         attach_to_segment.  Remove flags parameter.
6138         (Layout::allocate_output_section): Remove function.
6139         (Layout::write_enable_output_section): Remove function.
6140         * layout.h (class Layout): Update for above changes.  Add new
6141         field sections_are_attached_.
6142         * output.h (Output_section::update_flags_for_input_section): New
6143         function.
6144         * output.cc (Output_section::add_input_section): Call
6145         update_flags_for_input_section.
6146         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
6148 2008-04-11  Cary Coutant  <ccoutant@google.com>
6150         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
6151         thought unnecessary.
6152         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
6154 2008-04-11  Ian Lance Taylor  <iant@google.com>
6156         * output.h (class Output_section_data): Remove inline definition
6157         of set_addralign.
6158         * output.cc (Output_section_data::set_addralign): New function.
6160 2008-04-11  Cary Coutant  <ccoutant@google.com>
6162         Add support for TLS descriptors for i386 and x86_64.
6163         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
6164         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
6165         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
6166         GOT_TYPE_TLS_DESC.
6167         (Target_i386::got_mod_index_entry): Remove unnecessary code.
6168         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
6169         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
6170         relocations.
6171         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
6172         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
6173         Fix problem with initial-exec relocations.
6174         (Target_i386::Relocate::relocate_tls): Likewise.
6175         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
6176         relaxation.
6177         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
6178         support for section-plus-offset dynamic table entries.
6179         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
6180         (Output_data_dynamic::Dynamic_entry): Add support for
6181         section-plus-offset dynamic table entries.
6182         (Output_data_dynamic::Classification): Likewise.
6183         (Output_data_dynamic::classification_): Renamed offset_.
6184         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
6185         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
6186         (Target_x86_64::make_plt_section): New function.
6187         (Target_x86_64::reserve_tlsdesc_entries): New function.
6188         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
6189         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
6190         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
6191         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
6192         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
6193         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
6194         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
6195         add extra PLT entry for TLS descriptors.
6196         (Output_data_plt_x86_64::got_): New field.
6197         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
6198         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
6199         fields.
6200         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
6201         descriptors.
6202         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
6203         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
6204         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
6205         R_386_TLS_DESC_CALL relocations.
6206         (Target_x86_64::Scan::global): Likewise.
6207         (Target_x86_64::do_finalize_sections): Add dynamic table entries
6208         for TLS descriptors.
6209         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
6210         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
6211         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
6212         GD-to-IE relaxation.
6213         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
6214         and TLS_DESCRIPTORS.
6215         * Makefile.in: Rebuild.
6216         * configure: Rebuild.
6217         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
6218         (tls_test_shared2.so): New target.
6219         (tls_shared_gd_to_ie_test_SOURCES): New variable.
6220         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
6221         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
6222         (tls_shared_gd_to_ie_test_LDADD): New variable.
6223         (tls_shared_gnu2_gd_to_ie_test): New target.
6224         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
6225         New targets.
6226         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
6227         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
6228         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
6229         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
6230         (tls_shared_gnu2_test): New target.
6231         (tls_test_gnu2_shared.so): New target.
6232         (tls_shared_gnu2_test_SOURCES): New variable.
6233         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
6234         (tls_shared_gnu2_test_LDFLAGS): New variable.
6235         (tls_shared_gnu2_test_LDADD): New variable.
6236         * testsuite/Makefile.in: Rebuild.
6237         * testsuite/Makefile.
6239 2008-04-11  Ian Lance Taylor  <iant@google.com>
6241         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
6242         justsyms.t.
6243         * testsuite/Makefile.in: Rebuild.
6245         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
6246         long.
6247         * testsuite/script_test_2.cc (main): Adjust test.
6249 2008-04-11  David S. Miller  <davem@davemloft.net>
6250             Ian Lance Taylor  <iant@google.com>
6252         * options.h (General_options): Add entries for '-Y' and
6253         '-relax'.
6254         * options.cc (General_options:finalize): If -Y was used, add those
6255         entries to the library path instead of the default "/lib" and
6256         "/usr/lib".
6258 2008-04-11  David S. Miller  <davem@davemloft.net>
6260         * testsuite/justsyms.t: Start at 0x100.
6261         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
6262         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
6263         long.
6264         * testsuite/script_test_2.cc: Adjust string and section length
6265         checks.
6267 2008-04-09  Ian Lance Taylor  <iant@google.com>
6269         PR gold/5996
6270         * script-sections.cc (Sections_element::allocate_to_segment): Add
6271         orphan parameter.
6272         (Output_section_definition::allocate_to_segment): Likewise.
6273         (Orphan_output_section::allocate_to_segment): Likewise.
6274         (Script_sections::attach_sections_using_phdrs_clause): Don't
6275         propagate non-PT_LOAD segments to orphan sections.
6276         * testsuite/Makefile.am (script_test_3.stdout): Generate using
6277         readelf rather than objdump.
6278         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
6279         .interp section and PT_INTERP segment are the same size.
6280         * testsuite/Makefile.in: Rebuild.
6282         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
6283         aliases for symbols defined in the same object.
6284         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
6285         (weak_alias_test_SOURCES): New variable.
6286         (weak_alias_test_DEPENDENCIES): New variable.
6287         (weak_alias_test_LDFLAGS): New variable.
6288         (weak_alias_test_LDADD): New variable.
6289         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
6290         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
6291         (weak_alias_test_3.o): New target.
6292         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
6293         * testsuite/weak_alias_test_main.cc: New file.
6294         * testsuite/weak_alias_test_1.cc: New file.
6295         * testsuite/weak_alias_test_2.cc: New file.
6296         * testsuite/weak_alias_test_3.cc: New file.
6298 2008-04-08  Ian Lance Taylor  <iant@google.com>
6300         * options.h (class General_options): Add --noinhibit-exec option.
6301         * main.cc (main): Check --noinhibit-exec.
6303         * options.h (class General_options): Define --wrap as a special
6304         option.  Add wrap_symbols_ field.
6305         (General_options::any_wrap_symbols): New function.
6306         (General_options::is_wrap_symbol): New function.
6307         * options.cc (General_options::parse_wrap): New function.
6308         (General_options::General_options): Initialize wrap_symbols_.
6309         * symtab.cc (Symbol_table::wrap_symbol): New function.
6310         (Symbol_table::add_from_object): Handle --wrap.
6311         * symtab.h (class Symbol_table): Declare wrap_symbol.
6312         * target.h (Target::wrap_char): New function.
6313         (Target::Target_info): Add wrap_char field.
6314         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
6315         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6316         * testsuite/testfile.cc (Target_test::test_target_info):
6317         Likewise.
6319         * errors.cc (Errors::undefined_symbol): Mention symbol version if
6320         there is one.
6322         * layout.h (class Layout): Add added_eh_frame_data_ field.
6323         * layout.cc (Layout::Layout): Initialize new field.
6324         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
6325         output section until we find a section we merged successfully.
6326         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
6327         that the size be non-zero.
6329         * merge.cc (Object_merge_map::get_output_offset): Remove inline
6330         qualifier.
6332 2008-04-08  Craig Silverstein  <csilvers@google.com>
6334         * configure.ac: Export new conditional variable HAVE_ZLIB.
6335         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
6336         on HAVE_ZLIB.
6337         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
6338         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6340 2008-04-07  Ian Lance Taylor  <iant@google.com>
6342         * version.cc (version_string): Set to "1.5".
6344         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
6345         Add issued_non_pic_error_ field.  Declare check_non_pic.
6346         (Target_x86_64::Scan::check_non_pic): New function.
6347         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
6348         (Target_x86_64::Scan::global): Likewise.
6350         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
6351         addend parameter.  Change caller.  Handle merge sections.
6352         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
6353         Address to Addend.  Don't add in the result of
6354         local_section_offset, pass down the addend and use the returned
6355         value.
6356         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
6357         Update declarations of local_section_offset and symbol_value.
6358         * testsuite/two_file_test_1.cc (t18): New function.
6359         * testsuite/two_file_test_2.cc (f18): New function.
6360         * testsuite/two_file_test_main.cc (main): Call t18.
6361         * testsuite/two_file_test.h (t18, f18): Declare.
6363         * configure.ac: Don't test for objdump, c++filt, or readelf.
6364         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
6365         conditionals.
6366         (TEST_READELF): New variable.
6367         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
6368         (check_PROGRAMS): Add two_file_strip_test.
6369         (two_file_strip_test): New target.
6370         (check_PROGRAMS): Add two_file_same_shared_strip_test.
6371         (two_file_same_shared_strip_test_SOURCES): New variable.
6372         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
6373         (two_file_same_shared_strip_test_LDFLAGS): New variable.
6374         (two_file_same_shared_strip_test_LDADD): New variable.
6375         (two_file_shared_strip.so): New target.
6376         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
6377         (ver_test_5.syms, ver_test_7.syms): Likewise.
6378         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
6379         (strip_test_3.stdout): Use TEST_OBJDUMP.
6380         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6382 2008-04-04  Cary Coutant  <ccoutant@google.com>
6384         * symtab.h (Symbol::is_weak_undefined): New function.
6385         (Symbol::is_strong_undefined): New function.
6386         (Symbol::is_absolute): New function.
6387         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
6388         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
6389         absolute symbols.
6390         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
6391         (weak_undef_test): New target.
6392         * testsuite/Makefile.in: Rebuild.
6393         * testsuite/weak_undef_file1.cc: New file.
6394         * testsuite/weak_undef_file2.cc: New file.
6395         * testsuite/weak_undef_test.cc: New file.
6397 2008-04-03  Craig Silverstein  <csilvers@google.com>
6399         * compressed_output.h (class Output_compressed_section): Use
6400         unsigned buffer.
6401         * compressed_output.cc (zlib_compress): Use unsigned buffers,
6402         add zlib header.
6403         (zlib_compressed_suffix): Removed.
6404         (Output_compressed_section::set_final_data_size): Use unsigned
6405         buffers.
6406         * testsuite/Makefile.am (flagstest_compress_debug_sections):
6407         Fix linker invocation.
6408         (flagstest_o_specialfile_and_compress_debug_sections):
6409         Likewise.
6410         * testsuite/Makefile.in: Regenerated.
6412 2008-04-02  David S. Miller  <davem@davemloft.net>
6414         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
6415         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
6417 2008-04-02  Craig Silverstein  <csilvers@google.com>
6419         * TODO: New file.
6421 2008-04-02  Ian Lance Taylor  <iant@google.com>
6423         * fileread.cc (File_read::find_view): Add byteshift and vshifted
6424         parameters.  Update for new key type to views_.  Change all
6425         callers.
6426         (File_read::read): Adjust for byteshift in returned view.
6427         (File_read::add_view): New function, broken out of
6428         find_and_make_view.
6429         (File_read::make_view): New function, broken out of
6430         find_and_make_view.
6431         (File_read::find_or_make_view): Add offset and aligned
6432         parameters.  Rewrite accordingly.  Change all callers.
6433         (File_read::get_view): Add offset and aligned parameters.  Adjust
6434         for byteshift in return value.
6435         (File_read::get_lasting_view): Likewise.
6436         * fileread.h (class File_read): Update declarations.
6437         (class File_read::View): Add byteshift_ field.  Add byteshift to
6438         constructor.  Add byteshift method.
6439         * archive.h (Archive::clear_uncached_views): New function.
6440         (Archive::get_view): Add aligned parameter.  Change all callers.
6441         * object.h (Object::get_view): Add aligned parameter.  Change all
6442         callers.
6443         (Object::get_lasting_view): Likewise.
6445         * fileread.cc (File_read::release): Don't call clear_views if
6446         there are multiple objects.
6447         * fileread.h (File_read::clear_uncached_views): New function.
6448         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
6449         on the archive.
6451 2008-03-31  Cary Coutant  <ccoutant@google.com>
6453         Add thin archive support.
6454         * archive.cc (Archive::armagt): New const.
6455         (Archive::setup): Remove task parameter and calls to unlock.
6456         (Archive::unlock_nested_archives): New function.
6457         (Archive::read_header): Add nested_off parameter. Change
6458         all callers.
6459         (Archive::interpret_header): Likewise.
6460         (Archive::include_all_members): Change to handle thin
6461         archives.
6462         (Archive::include_member): Likewise.
6463         * archive.h (Archive::Archive): Add new parameters and
6464         initializers.
6465         (Archive::armagt): New const.
6466         (Archive::setup): Remove task parameter.
6467         (Archive::unlock_nested_archives): New function.
6468         (Archive::read_header): Add nested_off parameter.
6469         (Archive::interpret_header): Likewise.
6470         (Archive::Nested_archive_table): New typedef.
6471         (Archive::is_thin_archive_): New field.
6472         (Archive::nested_archives_): New field.
6473         (Archive::options_): New field.
6474         (Archive::dirpath_): New field.
6475         (Archive::task_): New field.
6476         * readsyms.cc (Read_symbols::do_read_symbols): Add check
6477         for thin archives.  Pass additional parameters to
6478         Archive::Archive.  Unlock the archive file after calling
6479         Archive::setup.
6481 2008-03-29  Ian Lance Taylor  <iant@google.com>
6483         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
6484         version symbol to be local.
6485         * testsuite/ver_test_4.sh: New file.
6486         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
6487         (check_DATA): Add ver_test_4.syms.
6488         (ver_test_4.syms): New target.
6489         * testsuite/Makefile.in: Rebuild.
6491         * output.cc
6492         (Output_section::Input_section_sort_entry::has_priority): New
6493         function.
6494         (Output_section::Input_section_sort_entry::match_file_name): New
6495         function.
6496         (Output_section::Input_section_sort_entry::match_section_name):
6497         Remove.
6498         (Output_section::Input_section_sort_entry::match_section_name_prefix):
6499         Remove.
6500         (Output_section::Input_section_sort_entry::match_section_file):
6501         Remove.
6502         (Output_section::Input_section_sort_compare::operator()): Rewrite
6503         using new Input_section_sort_entry functions.  Sort crtbegin and
6504         crtend first.  Sort sections with no priority before sections with
6505         a priority.
6506         * testsuite/initpri1.c (d3): Check j != 4.
6507         (cd5): New constructor/destructor function.
6508         (main): Check j != 2.
6510         * symtab.cc (Symbol_table::add_from_object): If we don't use the
6511         new symbol when resolving, don't call set_is_default.
6512         * testsuite/ver_test_7.cc: New file.
6513         * testsuite/ver_test_7.sh: New file.
6514         * testsuite/Makefile.am (ver_test_7.so): New target.
6515         (ver_test_7.o): New target.
6516         (check_SCRIPTS): Add ver_test_7.sh.
6517         (check_DATA): Add ver_test_7.syms.
6518         (ver_test_7.syms): New target.
6520 2008-03-28  Ian Lance Taylor  <iant@google.com>
6522         * layout.cc (Layout::layout): If we see an input section with a
6523         name that needs sorting, set the must_sort flag for the output
6524         section.
6525         (Layout::make_output_section): If the name of the output section
6526         indicates that it might require sorting, set the may_sort flag.
6527         * output.h (Output_section::may_sort_attached_input_sections): New
6528         function.
6529         (Output_section::set_may_sort_attached_input_sections): New
6530         function.
6531         (Output_section::must_sort_attached_input_sections): New
6532         function.
6533         (Output_section::set_must_sort_attached_input_sections): New
6534         function.
6535         (class Output_section): Declare Input_section_sort_entry.  Define
6536         Input_section_sort_compare.  Declare
6537         sort_attached_input_sections.  Add new fields:
6538         may_sort_attached_input_sections_,
6539         must_sort_attached_input_sections_,
6540         attached_input_sections_are_sorted_.
6541         * output.cc (Output_section::Output_section): Initialize new
6542         fields.
6543         (Output_section::add_input_section): Add an entry to
6544         input_sections_ if may_sort or must_sort are true.
6545         (Output_section::set_final_data_size): Call
6546         sort_attached_input_sections if necessary.
6547         (Output_section::Input_section_sort_entry): Define new class.
6548         (Output_section::Input_section_sort_compare::operator()): New
6549         function.
6550         (Output_section::sort_attached_input_sections): New function.
6551         * configure.ac: Check whether the compiler supports constructor
6552         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
6553         * testsuite/initpri1.c: New file.
6554         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
6555         CONSTRUCTOR_PRIORITY.
6556         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
6557         (initpri1_LDFLAGS): New variable.
6558         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6560 2008-03-27  Ian Lance Taylor  <iant@google.com>
6562         * common.cc (Sort_commons::operator): Correct sorting algorithm.
6563         * testsuite/common_test_1.c: New file.
6564         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
6565         (common_test_1_SOURCES): New variable.
6566         (common_test_1_DEPENDENCIES): New variable.
6567         (common_test_1_LDFLAGS): New variable.
6569         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
6570         and commons_ correctly when NAME/VERSION does not override
6571         NAME/NULL.
6572         * testsuite/ver_test_6.c: New file.
6573         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
6574         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
6575         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
6577 2008-03-26  Ian Lance Taylor  <iant@google.com>
6579         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
6580         of an undefined symbol from a version script.
6581         * testsuite/Makefile.am (ver_test_5.so): New target.
6582         (ver_test_5.o): New target.
6583         (check_SCRIPTS): Add ver_test_5.sh.
6584         (check_DATA): Add ver_test_5.syms.
6585         (ver_test_5.syms): New target.
6586         * testsuite/ver_test_5.cc: New file.
6587         * testsuite/ver_test_5.script: New file.
6588         * testsuite/ver_test_5.sh: New file.
6589         * Makefile.in, testsuite/Makefile.in: Rebuild.
6591         PR gold/5986
6592         Fix problems building gold with gcc 4.3.0.
6593         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
6594         (gold_error_at_location, gold_warning_at_location): Use it.
6595         * configure.ac: Check whether we can compile and use a template
6596         function with a printf attribute.
6597         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
6598         when jumping over bytes.
6599         * object.cc: Instantiate Object::read_section_data.
6600         * debug.h: Include <cstring>
6601         * dwarf_reader.cc: Include <algorithm>
6602         * main.cc: Include <cstring>.
6603         * options.cc: Include <cstring>.
6604         * output.cc: Include <cstring>.
6605         * script.cc: Include <cstring>.
6606         * script.h: Include <string>.
6607         * symtab.cc: Include <cstring> and <algorithm>.
6608         * target-select.cc: Include <cstring>.
6609         * version.cc: Include <string>.
6610         * testsuite/testmain.cc: Include <cstdlib>.
6611         * configure, config.in: Rebuild.
6613 2008-03-25  Ian Lance Taylor  <iant@google.com>
6615         * options.cc: Include "../bfd/bfdver.h".
6616         (options::help): Print bug reporting address.
6618         * version.cc (print_version): Adjust output for current value of
6619         BFD_VERSION_STRING.
6621         * NEWS: New file.
6623         * options.cc (options::help): Print list of supported targets.
6624         * target-select.h: Include <vector>.
6625         (class Target_selector): Make machine_, size_, and is_big_endian_
6626         fields const.  Add bfd_name_ and instantiated_target_ fields.
6627         (Target_selector::Target_selector): Add bfd_name parameter.
6628         (Target_selector::recognize): Make non-virtual, call
6629         do_recognize.
6630         (Target_selector::recognize_by_name): Make non-virtual, call
6631         do_recognize_by_name.
6632         (Target_selector::supported_names): New function.
6633         (Target_selector::bfd_name): New function.
6634         (Target_selector::do_instantiate_target): New pure virtual
6635         function.
6636         (Target_selector::do_recognize): New virtual function.
6637         (Target_selector::do_recognize_by_name): New virtual function.
6638         (Target_selector::instantiate_target): New private function.
6639         (supported_target_names): Declare.
6640         * target-select.cc (Target_selector::Target_selector): Update for
6641         new parameter and fields.
6642         (select_target_by_name): Check that the name matches before
6643         calling recognize_by_name.
6644         (supported_target_names): New function.
6645         * i386.cc (class Target_selector_i386): Update Target_selector
6646         constructor call.  Remove recognize and recognize_by_name.  Add
6647         do_instantiate_target.
6648         * x86_64.cc (class Target_selector_x86_64): Likewise.
6649         * testsuite/testfile.cc (class Target_selector_test): Update for
6650         changes to Target_selector.
6652         * README: Rewrite, with some notes on unsupported features.
6654 2008-03-24  Cary Coutant  <ccoutant@google.com>
6656         * i386.cc (Target_i386::Got_type): New enum declaration.
6657         (Target_i386::Scan::local): Updated callers of Output_data_got
6658         member functions.
6659         (Target_i386::Scan::global): Likewise.
6660         (Target_i386::Relocate::relocate): Likewise.
6661         (Target_i386::Relocate::relocate_tls): Likewise.
6662         * object.h (Got_offset_list): New class.
6663         (Sized_relobj::local_has_got_offset): Added got_type parameter.
6664         (Sized_relobj::local_got_offset): Likewise.
6665         (Sized_relobj::set_local_got_offset): Likewise.
6666         (Sized_relobj::local_has_tls_got_offset): Removed.
6667         (Sized_relobj::local_tls_got_offset): Removed.
6668         (Sized_relobj::set_local_tls_got_offset): Removed.
6669         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
6670         * output.cc (Output_data_got::add_global): Added got_type parameter.
6671         (Output_data_got::add_global_with_rel): Likewise.
6672         (Output_data_got::add_global_with_rela): Likewise.
6673         (Output_data_got::add_global_pair_with_rel): New function.
6674         (Output_data_got::add_global_pair_with_rela): New function.
6675         (Output_data_got::add_local): Added got_type parameter.
6676         (Output_data_got::add_local_with_rel): Likewise.
6677         (Output_data_got::add_local_with_rela): Likewise.
6678         (Output_data_got::add_local_pair_with_rel): New function.
6679         (Output_data_got::add_local_pair_with_rela): New function.
6680         (Output_data_got::add_global_tls): Removed.
6681         (Output_data_got::add_global_tls_with_rel): Removed.
6682         (Output_data_got::add_global_tls_with_rela): Removed.
6683         (Output_data_got::add_local_tls): Removed.
6684         (Output_data_got::add_local_tls_with_rel): Removed.
6685         (Output_data_got::add_local_tls_with_rela): Removed.
6686         * output.h (Output_data_got::add_global): Added got_type parameter.
6687         (Output_data_got::add_global_with_rel): Likewise.
6688         (Output_data_got::add_global_with_rela): Likewise.
6689         (Output_data_got::add_global_pair_with_rel): New function.
6690         (Output_data_got::add_global_pair_with_rela): New function.
6691         (Output_data_got::add_local): Added got_type parameter.
6692         (Output_data_got::add_local_with_rel): Likewise.
6693         (Output_data_got::add_local_with_rela): Likewise.
6694         (Output_data_got::add_local_pair_with_rel): New function.
6695         (Output_data_got::add_local_pair_with_rela): New function.
6696         (Output_data_got::add_global_tls): Removed.
6697         (Output_data_got::add_global_tls_with_rel): Removed.
6698         (Output_data_got::add_global_tls_with_rela): Removed.
6699         (Output_data_got::add_local_tls): Removed.
6700         (Output_data_got::add_local_tls_with_rel): Removed.
6701         (Output_data_got::add_local_tls_with_rela): Removed.
6702         * resolve.cc (Symbol::override_base_with_special): Removed
6703         reference to has_got_offset_ field.
6704         * symtab.cc (Symbol::init_fields): Replaced initialization
6705         of got_offset_ with got_offsets_.  Removed initialization
6706         of has_got_offset_
6707         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
6708         (Symbol::got_offset): Likewise.
6709         (Symbol::set_got_offset): Likewise.
6710         (Symbol::has_tls_got_offset): Removed.
6711         (Symbol::tls_got_offset): Removed.
6712         (Symbol::set_tls_got_offset): Removed.
6713         (Symbol::got_offset_): Removed.
6714         (Symbol::tls_mod_got_offset_): Removed.
6715         (Symbol::tls_pair_got_offset_): Removed.
6716         (Symbol::got_offsets_): New field.
6717         (Symbol::has_got_offset): Removed.
6718         (Symbol::has_tls_mod_got_offset): Removed.
6719         (Symbol::has_tls_pair_got_offset): Removed.
6720         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
6721         (Target_x86_64::Scan::local): Updated callers of Output_data_got
6722         member functions.
6723         (Target_x86_64::Scan::global): Likewise.
6724         (Target_x86_64::Relocate::relocate): Likewise.
6725         (Target_x86_64::Relocate::relocate_tls): Likewise.
6727 2008-03-25  Ben Elliston  <bje@au.ibm.com>
6729         * yyscript.y: Fix spelling error in comment.
6731 2008-03-24  Ian Lance Taylor  <iant@google.com>
6733         * options.h (class General_options): Define build_id option.
6734         * layout.h (class Layout): Declare write_build_id, create_note,
6735         create_build_id.  Add build_id_note_ member.
6736         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
6737         "libiberty.h", "md5.h", "sha1.h".
6738         (Layout::Layout): Initialize eh_frame_data_,
6739         eh_frame_hdr_section_, and build_id_note_.
6740         (Layout::finalize): Call create_build_id.
6741         (Layout::create_note): New function, broken out of
6742         Layout::create_gold_note.
6743         (Layout::create_gold_note): Call create_note.
6744         (Layout::create_build_id): New function.
6745         (Layout::write_build_id): New function.
6746         (Close_task_runner::run): Call write_build_id.
6748         * x86_64.cc: Correct license to GPLv3.
6750 2008-03-23  Ian Lance Taylor  <iant@google.com>
6752         * options.cc: Include "demangle.h".
6753         (parse_optional_string): New function.
6754         (parse_long_option): Handle takes_optional_argument.
6755         (parse_short_option): Update dash_z initializer.  Handle
6756         takes_optional_argument.
6757         (General_options::General_options): Initialize do_demangle_.
6758         (General_options::finalize): Set do_demangle_.  Handle demangling
6759         style.
6760         * options.h (parse_optional_string): Declare.
6761         (struct One_option): Add optional_arg field.  Update constructor.
6762         Update call constructor calls.  Add takes_optional_argument
6763         function.
6764         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
6765         (DEFINE_optional_string): Define.
6766         (General_options::demangle): Change from DEFINE_bool to
6767         DEFINE_optional_string.
6768         (General_options::no_demangle): New function.
6769         (General_options::do_demangle): New function.
6770         (General_options::set_do_demangle): New function.
6771         (General_options::execstack_status_): Move definition to end of
6772         class definition.
6773         (General_options::static_): Likewise.
6774         (General_options::do_demangle_): New field.
6775         * object.cc (big_endian>::get_symbol_location_info): Call
6776         Options::do_demangle, not Options::demangle.
6777         * symtab.cc (demangle): Likewise.
6779 2008-03-22  Ian Lance Taylor  <iant@google.com>
6781         * gold.h: Include <cstddef> and <sys/types.h>
6782         * options.h: Include <cstring>.
6784 2008-03-21  Ian Lance Taylor  <iant@google.com>
6786         * Added source code to GNU binutils.