0ed1a2ff918acd3f2dc4e22cc8ec4377d8e6066e
[platform/upstream/binutils.git] / gold / ChangeLog
1 2010-09-03  Rafael Espindola  <espindola@google.com>
2
3       * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4
5 2010-09-08  Doug Kwan  <dougkwan@google.com>
6
7         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
8         (Arm_relobj::do_relocate_sections): Add new parameter for output
9         file to match the parent.
10         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
11         of local symbols instead of input values.  Update code to track
12         changes in gold::relocate_section.
13         * object.cc (Sized_relobj::compute_final_local_value): New methods.
14         (Sized_relobj::compute_final_local_value_internal): New methods.
15         (Sized_relobj::do_finalize_local_symbols): Move code from loop
16         body into private version of Sized_relobj::compute_final_local_value.
17         Call the inline method.
18         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
19         merged symbol value if there is one.
20         (Symbol_value::has_output_value): New method defintiion.
21         (Sized_relobj::Compute_final_local_value_status): New enum type.
22         (Sized_relobj::compute_final_local_value): New methods.
23         (Sized_relobj::compute_final_local_value_internal): New methods.
24         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
25         and arm_cortex_a8.sh.
26         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
27         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
28         New tests.
29         * Makefile.in: Regenerate.
30         * testsuite/arm_bl_out_of_range.s: Update test.
31         * testsuite/thumb_bl_out_of_range.s: Ditto.
32         * testsuite/thumb_blx_out_of_range.s: Ditto.
33         * testsuite/arm_branch_out_of_range.sh: New file.
34         * testsuite/arm_cortex_a8.sh: Ditto.
35         * testsuite/arm_cortex_a8_b.s: Ditto.
36         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
37         * testsuite/arm_cortex_a8_b_local.s: Ditto.
38         * testsuite/arm_cortex_a8_bl.s: Ditto.
39         * testsuite/arm_cortex_a8_blx.s: Ditto.
40         * testsuite/arm_cortex_a8_local.s: Ditto.
41         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
42         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
43
44 2010-09-08  Rafael Espindola  <espindola@google.com>
45
46         * script-sections.cc (Script_sections::add_memory_region): Convert
47         field precision to int.
48         * script.cc (script_set_section_region, script_set_section_region):
49         Convert field precision to int.
50
51 2010-09-08  Rafael Espindola  <espindola@google.com>
52
53         * arm.cc (do_finalize_sections): Create the __exidx_start and
54         __exdix_end symbols even when the section is missing.
55
56 2010-09-08  Nick Clifton  <nickc@redhat.com>
57
58         * README: Remove claim that MEMORY is not supported.
59         * expression.cc (script_exp_function_origin)
60         (script_exp_function_length): Move from here to ...
61         * script.cc: ... here.
62         (script_set_section_region, script_add_memory)
63         (script_parse_memory_attr, script_include_directive): New
64         functions.
65         * script-sections.cc
66         (class Memory_region): New class.
67         (class Output_section_definition): Add set_memory_region,
68         set_section_vma, set_section_lma and get_section_name methods.
69         (class Script_Sections): Add add_memory_region,
70         find_memory_region, find_memory_region_origin,
71         find_memory_region_length and set_memory_region methods.
72         Have set_section_addresses method walk the list of set memory
73         regions.
74         Extend the print methos to display memory regions.
75         * script-sections.h: Add prototypes for new methods.
76         Add enum for MEMORY region attributes.
77         * yyscript.y: Add support for parsing MEMORY regions.
78         * script-c.h: Add prototypes for new functions.
79         * testsuite/Makefile.am: Add test of MEMORY region functionality.
80         * testsuite/Makefile.in: Regenerate.
81         * testsuite/memory_test.sh: New script.
82         * testsuite/memory_test.s: New assembler source file.
83         * testsuite/memory_test.t: New linker script.
84
85 2010-08-27  Doug Kwan  <dougkwan@google.com>
86
87         * gold/resolve.cc (Symbol_table::should_override): Let a weak
88         reference override an existing dynamic weak reference.
89         * testsuite/Makefile.am: Add new test dyn_weak_ref.
90         * testsuite/Makefile.in: Regenerate.
91         * testsuite/dyn_weak_ref.sh: New file.
92         * testsuite/dyn_weak_ref_1.c: Ditto.
93         * testsuite/dyn_weak_ref_2.c: Ditto.
94
95 2010-08-27  Ian Lance Taylor  <iant@google.com>
96
97         * incremental.h (class Incremental_input_entry): Add virtual
98         destructor.
99
100 2010-08-27  Ian Lance Taylor  <iant@google.com>
101
102         * testsuite/start_lib_test_3.c: Mark t3 as used.
103
104 2010-08-27  Nick Clifton  <nickc@redhat.com>
105
106         * options.cc (version_script): Fix small typo in previous
107         whitespace tidyup.
108
109 2010-08-25  Nick Clifton  <nickc@redhat.com>
110
111         * archive.cc: Formatting fixes: Remove whitespace between
112         typename and following asterisk.  Remove whitespace between
113         function name and opening parenthesis.
114         * archive.h: Likewise.
115         * arm.cc: Likewise.
116         * attributes.cc: Likewise.
117         * attributes.h: Likewise.
118         * common.cc: Likewise.
119         * copy-relocs.cc: Likewise.
120         * dirsearch.h: Likewise.
121         * dynobj.cc: Likewise.
122         * ehframe.cc: Likewise.
123         * ehframe.h: Likewise.
124         * expression.cc: Likewise.
125         * fileread.cc: Likewise.
126         * fileread.h: Likewise.
127         * gc.h: Likewise.
128         * gold-threads.cc: Likewise.
129         * gold.cc: Likewise.
130         * i386.cc: Likewise.
131         * icf.h: Likewise.
132         * incremental-dump.cc: Likewise.
133         * incremental.cc: Likewise.
134         * layout.cc: Likewise.
135         * layout.h: Likewise.
136         * main.cc: Likewise.
137         * merge.cc: Likewise.
138         * merge.h: Likewise.
139         * object.cc: Likewise.
140         * object.h: Likewise.
141         * options.cc: Likewise.
142         * options.h: Likewise.
143         * output.cc: Likewise.
144         * output.h: Likewise.
145         * plugin.cc: Likewise.
146         * plugin.h: Likewise.
147         * powerpc.cc: Likewise.
148         * reloc.cc: Likewise.
149         * script-c.h: Likewise.
150         * script-sections.cc: Likewise.
151         * script.cc: Likewise.
152         * stringpool.cc: Likewise.
153         * symtab.cc: Likewise.
154         * symtab.h: Likewise.
155         * target.cc: Likewise.
156         * timer.cc: Likewise.
157         * timer.h: Likewise.
158         * version.cc: Likewise.
159         * x86_64.cc: Likewise.
160
161 2010-08-24  Nick Clifton  <nickc@redhat.com>
162
163         PR 11899
164         * layout.cc (segment_precedes): Sort segments by their physical
165         addresses, if they have been set.
166
167 2010-08-23  Cary Coutant  <ccoutant@google.com>
168
169         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
170         symbols data.
171         (Lib_group::include_member): Unlock object after deleting its
172         symbols data.
173         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
174         the bug fixed here.
175
176 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
177             Cary Coutant  <ccoutant@google.com>
178
179         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
180         constructor, and set_blocker.
181         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
182         readsyms_blocker_.
183         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
184         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
185         * testsuite/Makefile.am (start_lib_test): New test case.
186         * testsuite/Makefile.in: Regenerate.
187         * testsuite/start_lib_test_main.c: New file.
188         * testsuite/start_lib_test_1.c: New file.
189         * testsuite/start_lib_test_2.c: New file.
190         * testsuite/start_lib_test_3.c: New file.
191
192 2010-08-19  Ian Lance Taylor  <iant@google.com>
193
194         * Makefile.in: Rebuild with automake 1.11.1.
195         * aclocal.m4: Likewise.
196         * testsuite/Makefile.in: Likewise.
197
198 2010-08-19  Ian Lance Taylor  <iant@google.com>
199
200         PR 10893
201         * i386.cc (class Output_data_plt_i386): Update declarations.
202         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
203         local_ifuncs_ fields.
204         (Target_i386::do_plt_section_for_global): New function.
205         (Target_i386::do_plt_section_for_local): New function.
206         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
207         parameter; change all callers.  Initialize global_ifuncs_ and
208         local_ifuncs_.  If doing a static link define __rel_iplt_start and
209         __rel_iplt_end.
210         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
211         (Output_data_plt_i386::add_local_ifunc_entry): New function.
212         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
213         symbols.
214         (Target_i386::make_plt_section): New function, broken out of
215         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
216         (Target_i386::make_plt_entry): Call make_plt_section.
217         (Target_i386::make_local_ifunc_plt_entry): New function.
218         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
219         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
220         R_386_IRELATIVE to switch.
221         (Target_i386::Scan::global): Likewise.
222         (Target_i386::Relocate::relocate): Likewise.
223         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
224         switch.
225         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
226         (Target_x86_64::do_plt_section_for_global): New function.
227         (Target_x86_64::do_plt_section_for_local): New function.
228         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
229         parameter; change all callers.  If doing a static link define
230         __rela_iplt_start and __rela_iplt_end.
231         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
232         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
233         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
234         to point to .plt.
235         (Target_x86_64::make_local_ifunc_plt_entry): New function.
236         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
237         switch.
238         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
239         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
240         R_X86_64_IRELATIVE to switch.
241         (Target_x86_64::Scan::global): Likewise.
242         (Target_x86_64::Relocate::relocate): Likewise.
243         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
244         switch.
245         * target.h (class Target): Add plt_section_for_global and
246         plt_section_for_local functions.  Add do_plt_section_for_global
247         and do_plt_section_for_local virtual functions.
248         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
249         clarifying comments.
250         (Symbol::use_plt_offset): Handle IFUNC symbol.
251         * object.cc (Sized_relobj::Sized_relobj): Initialize
252         local_plt_offsets_.
253         (Sized_relobj::local_has_plt_offset): New function.
254         (Sized_relobj::local_plt_offset): New function.
255         (Sized_relobj::set_local_plt_offset): New function.
256         (Sized_relobj::do_count): Handle IFUNC symbol.
257         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
258         a bit away from input_shndx_ field.  Add set_is_func_symbol and
259         is_ifunc_symbol functions.
260         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
261         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
262         local_plt_offsets_ field.
263         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
264         * output.h (class Output_section_data): Add non-const
265         output_section function.
266         (class Output_data_got): Update declarations.
267         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
268         Add use_plt_offset parameter to global and local constructors.
269         Change all callers.  Change local_sym_index_ field to 31 bits.
270         Change GSYM_CODE and CONSTANT_CODE accordingly.
271         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
272         doing a static link don't set sh_link field.
273         (Output_data_got::Got_entry::write): Use PLT offset if
274         appropriate.
275         (Output_data_got::add_global_plt): New function.
276         (Output_data_got::add_local_plt): New function.
277         * target-reloc.h (relocate_section): Handle IFUNC symbol.
278         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
279         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
280         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
281         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
282         IFUNC conditional.
283         * testsuite/ifunc-sel.h: New file.
284         * testsuite/ifuncmain1.c: New file.
285         * testsuite/ifuncmain1vis.c: New file.
286         * testsuite/ifuncmod1.c: New file.
287         * testsuite/ifuncdep2.c: New file.
288         * testsuite/ifuncmain2.c: New file.
289         * testsuite/ifuncmain3.c: New file.
290         * testsuite/ifuncmod3.c: New file.
291         * testsuite/ifuncmain4.c: New file.
292         * testsuite/ifuncmain5.c: New file.
293         * testsuite/ifuncmod5.c: New file.
294         * testsuite/ifuncmain6pie.c: New file.
295         * testsuite/ifuncmod6.c: New file.
296         * testsuite/ifuncmain7.c: New file.
297         * configure, testsuite/Makefile.in: Rebuild.
298
299 2010-08-18  Ian Lance Taylor  <iant@google.com>
300
301         * incremental.cc
302         (Output_section_incremental_inputs::write_input_files): Add cast
303         to avoid signed/unsigned comparison warning.
304         (Output_section_incremental_inputs::write_info_blocks): Likewise.
305
306 2010-08-12  Cary Coutant  <ccoutant@google.com>
307
308         * common.cc (Sort_commons::operator()): Remove unnecessary code.
309
310 2010-08-13  Ian Lance Taylor  <iant@google.com>
311
312         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
313
314 2010-08-12  Cary Coutant  <ccoutant@google.com>
315             Doug Kwan  <dougkwan@google.com>
316
317         * resolve.cc (Symbol_table::should_override): When a weak dynamic
318         defintion overrides non-weak undef, remember that the original undef
319         is not weak.
320         * symtab.cc (Symbol_table::sized_write_global): For undef without
321         an original weak binding, set binding to global in output.
322         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
323         * testsuite/Makefile.in: Regenerate.
324         * testsuite/strong_ref_weak_def.sh: New file.
325         * testsuite/strong_ref_weak_def_1.c: Ditto.
326         * testsuite/strong_ref_weak_def_2.c: Ditto.
327
328 2010-08-12  Cary Coutant  <ccoutant@google.com>
329
330         * testsuite/incremental_test.sh: Rewrite.
331         * testsuite/incremental_test_1.c: Rewrite.
332         * testsuite/incremental_test_2.c: Rewrite.
333
334 2010-08-12  Cary Coutant  <ccoutant@google.com>
335
336         * arm.cc (Target_arm::got_size): Add const.
337         (Target_arm::got_entry_count): New function.
338         (Target_arm::plt_entry_count): New function.
339         (Target_arm::first_plt_entry_offset): New function.
340         (Target_arm::plt_entry_size): New function.
341         (Output_data_plt_arm::entry_count): New function.
342         (Output_data_plt_arm::first_plt_entry_offset): New function.
343         (Output_data_plt_arm::get_plt_entry_size): New function.
344         * i386.cc (Target_i386::got_size): Add const.
345         (Target_i386::got_entry_count): New function.
346         (Target_i386::plt_entry_count): New function.
347         (Target_i386::first_plt_entry_offset): New function.
348         (Target_i386::plt_entry_size): New function.
349         (Output_data_plt_i386::entry_count): New function.
350         (Output_data_plt_i386::first_plt_entry_offset): New function.
351         (Output_data_plt_i386::get_plt_entry_size): New function.
352         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
353         find_incremental_inputs_sections.  Dump incremental_got_plt section.
354         * incremental.cc: Include target.h.
355         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
356         parameter.  Adjust all callers.  Find incremental_got_plt section.
357         (Incremental_inputs::create_data_sections): Create incremental_got_plt
358         section.
359         (Output_section_incremental_inputs::set_final_data_size): Calculate
360         size of incremental_got_plt section.
361         (Output_section_incremental_inputs::do_write): Write the
362         incremental_got_plt section.
363         (Got_plt_view_info): New struct.
364         (Local_got_offset_visitor): New class.
365         (Global_got_offset_visitor): New class.
366         (Global_symbol_visitor_got_plt): New class.
367         (Output_section_incremental_inputs::write_got_plt): New function.
368         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
369         Add parameter.  Adjust all callers.
370         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
371         (Incremental_inputs::got_plt_section): New function.
372         (Incremental_inputs::got_plt_section_): New data member.
373         (Incremental_got_plt_reader): New class.
374         * layout.cc (Layout::create_incremental_info_sections): Add the
375         incremental_got_plt section.
376         * object.h (Got_offset_list::get_list): New function.
377         (Got offset_list::for_all_got_offsets): New function.
378         (Sized_relobj::local_got_offset_list): New function.
379         * powerpc.cc (Target_powerpc::got_size): Add const.
380         (Target_powerpc::got_entry_count): New function.
381         (Target_powerpc::plt_entry_count): New function.
382         (Target_powerpc::first_plt_entry_offset): New function.
383         (Target_powerpc::plt_entry_size): New function.
384         (Output_data_plt_powerpc::entry_count): New function.
385         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
386         (Output_data_plt_powerpc::get_plt_entry_size): New function.
387         * sparc.cc (Target_sparc::got_size): Add const.
388         (Target_sparc::got_entry_count): New function.
389         (Target_sparc::plt_entry_count): New function.
390         (Target_sparc::first_plt_entry_offset): New function.
391         (Target_sparc::plt_entry_size): New function.
392         (Output_data_plt_sparc::entry_count): New function.
393         (Output_data_plt_sparc::first_plt_entry_offset): New function.
394         (Output_data_plt_sparc::get_plt_entry_size): New function.
395         * symtab.h (Symbol::got_offset_list): New function.
396         (Symbol_table::for_all_symbols): New function.
397         * target.h (Sized_target::got_entry_count): New function.
398         (Sized_target::plt_entry_count): New function.
399         (Sized_target::plt_entry_size): New function.
400         * x86_64.cc (Target_x86_64::got_size): Add const.
401         (Target_x86_64::got_entry_count): New function.
402         (Target_x86_64::plt_entry_count): New function.
403         (Target_x86_64::first_plt_entry_offset): New function.
404         (Target_x86_64::plt_entry_size): New function.
405         (Output_data_plt_x86_64::entry_count): New function.
406         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
407         (Output_data_plt_x86_64::get_plt_entry_size): New function.
408
409 2010-08-12  Cary Coutant  <ccoutant@google.com>
410
411         * archive.cc: Include incremental.h.
412         (Archive::Archive): Initialize incremental_info_.
413         (Archive::include_member): Record archive members in incremental info.
414         (Add_archive_symbols::run): Record begin and end of an archive in
415         incremental info.
416         (Lib_group::include_member): Record objects in incremental info.
417         * archive.h (Incremental_archive_entry): Forward declaration.
418         (Archive::set_incremental_info): New member function.
419         (Archive::incremental_info): New member function.
420         (Archive::Unused_symbol_iterator): New class.
421         (Archive::unused_symbols_begin): New member function.
422         (Archive::unused_symbols_end): New member function.
423         (Archive::incremental_info_): New data member.
424         * incremental-dump.cc (find_input_containing_global): New function.
425         (dump_incremental_inputs): Dump new incremental info sections.
426         * incremental.cc: Include symtab.h.
427         (Output_section_incremental_inputs): New class.
428         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
429         new incremental info sections.
430         (Sized_incremental_binary::do_check_inputs): Likewise.
431         (Incremental_inputs::report_archive): Remove.
432         (Incremental_inputs::report_archive_begin): New function.
433         (Incremental_inputs::report_archive_end): New function.
434         (Incremental_inputs::report_object): New function.
435         (Incremental_inputs::finalize_inputs): Remove.
436         (Incremental_inputs::report_input_section): New function.
437         (Incremental_inputs::report_script): Rewrite.
438         (Incremental_inputs::finalize): Do nothing but finalize string table.
439         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
440         (Incremental_inputs::sized_create_inputs_section_data): Remove.
441         (Incremental_inputs::create_data_sections): New function.
442         (Incremental_inputs::relocs_entsize): New function.
443         (Output_section_incremental_inputs::set_final_data_size): New function.
444         (Output_section_incremental_inputs::do_write): New function.
445         (Output_section_incremental_inputs::write_header): New function.
446         (Output_section_incremental_inputs::write_input_files): New function.
447         (Output_section_incremental_inputs::write_info_blocks): New function.
448         (Output_section_incremental_inputs::write_symtab): New function.
449         * incremental.h (Incremental_script_entry): Forward declaration.
450         (Incremental_object_entry): Forward declaration.
451         (Incremental_archive_entry): Forward declaration.
452         (Incremental_inputs): Forward declaration.
453         (Incremental_inputs_header_data): Remove.
454         (Incremental_inputs_header): Remove.
455         (Incremental_inputs_header_write): Remove.
456         (Incremental_inputs_entry_data): Remove.
457         (Incremental_inputs_entry): Remove.
458         (Incremental_inputs_entry_write): Remove.
459         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
460         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
461         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
462         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
463         Likewise.
464         (Incremental_input_entry): New class.
465         (Incremental_script_entry): New class.
466         (Incremental_object_entry): New class.
467         (Incremental_archive_entry): New class.
468         (Incremental_inputs::Incremental_inputs): Initialize new data members.
469         (Incremental_inputs::report_inputs): Remove.
470         (Incremental_inputs::report_archive): Remove.
471         (Incremental_inputs::report_archive_begin): New function.
472         (Incremental_inputs::report_archive_end): New function.
473         (Incremental_inputs::report_object): Change prototype.
474         (Incremental_inputs::report_input_section): New function.
475         (Incremental_inputs::report_script): Change prototype.
476         (Incremental_inputs::get_reloc_count): New function.
477         (Incremental_inputs::set_reloc_count): New function.
478         (Incremental_inputs::create_data_sections): New function.
479         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
480         (Incremental_inputs::inputs_section): New function.
481         (Incremental_inputs::symtab_section): New function.
482         (Incremental_inputs::relocs_section): New function.
483         (Incremental_inputs::get_stringpool): Add const.
484         (Incremental_inputs::command_line): Add const.
485         (Incremental_inputs::inputs): Remove.
486         (Incremental_inputs::command_line_key): New function.
487         (Incremental_inputs::input_file_count): New function.
488         (Incremental_inputs::input_files): New function.
489         (Incremental_inputs::relocs_entsize): New function.
490         (Incremental_inputs::sized_create_inputs_section_data): Remove.
491         (Incremental_inputs::finalize_inputs): Remove.
492         (Incremental_inputs::Input_info): Remove.
493         (Incremental_inputs::lock_): Remove.
494         (Incremental_inputs::inputs_): Change type.
495         (Incremental_inputs::inputs_map_): Remove.
496         (Incremental_inputs::current_object_entry_): New data member.
497         (Incremental_inputs::inputs_section_): New data member.
498         (Incremental_inputs::symtab_section_): New data member.
499         (Incremental_inputs::relocs_section_): New data member.
500         (Incremental_inputs::reloc_count_): New data member.
501         (Incremental_inputs_reader): New class.
502         (Incremental_symtab_reader): New class.
503         (Incremental_relocs_reader): New class.
504         * layout.cc (Layout::finalize): Move finalization of incremental info
505         and creation of incremental info sections to follow finalization of
506         symbol table.  Set offsets for postprocessing sections.
507         (Layout::create_incremental_info_sections): Call
508         Incremental_inputs::create_data_sections.  Add incremental symtab
509         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
510         sections to layout after input sections.
511         * layout.h (struct Timespec): Forward declaration.
512         (Layout::incremental_inputs): Add const.
513         (Layout::create_incremental_info_sections): Add parameter.
514         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
515         * object.cc: Include incremental.h.
516         (Relobj::finalize_incremental_relocs): New function.
517         (Sized_relobj::do_layout): Record input sections in incremental info.
518         * object.h (Object::output_section): New function.
519         (Object::output_section_offset): Moved from Relobj.
520         (Object::get_incremental_reloc_base): New function.
521         (Object::get_incremental_reloc_count): New function.
522         (Object::do_output_section): New function.
523         (Object::do_output_section_offset): Moved from Relobj.
524         (Object::do_get_incremental_reloc_base): New function.
525         (Object::do_get_incremental_reloc_count): New function.
526         (Object::Object): Initialize new data members.
527         (Relobj::output_section): Renamed do_output_section and moved to
528         protected.
529         (Relobj::output_section_offset): Moved to Object.
530         (Relobj::do_get_incremental_reloc_base): New function.
531         (Relobj::do_get_incremental_reloc_count): New function.
532         (Relobj::allocate_incremental_reloc_counts): New function.
533         (Relobj::count_incremental_reloc): New function.
534         (Relobj::finalize_incremental_relocs): New function.
535         (Relobj::next_incremental_reloc_index): New function.
536         (Relobj::reloc_counts_): New data member.
537         (Relobj::reloc_bases_): New data member.
538         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
539         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
540         (Sized_relobj::incremental_relocs_scan): New function.
541         (Sized_relobj::incremental_relocs_scan_reltype): New function.
542         (Sized_relobj::incremental_relocs_write): New function.
543         (Sized_relobj::incremental_relocs_write_reltype): New function.
544         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
545         incremental link.
546         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
547         archives and object files elsewhere.
548         (Add_symbols::run): Report object files here.
549         (Finish_group::run): Report end of archive at end of group.
550         * reloc.cc: Include layout.h, incremental.h.
551         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
552         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
553         (Sized_relobj::incremental_relocs_scan): New function.
554         (Sized_relobj::incremental_relocs_scan_reltype): New function.
555         (Sized_relobj::do_relocate_sections): Write incremental relocations.
556         (Sized_relobj::incremental_relocs_write): New function.
557         (Sized_relobj::incremental_relocs_write_reltype): New function.
558         * script.cc (read_input_script): Rewrite test for incremental link.
559         Change call to Incremental_inputs::report_script.
560         * symtab.h (Symbol_table::first_global_index): New function.
561         (Symbol_table::output_count): New function.
562
563 2010-08-12  Doug Kwan  <dougkwan@google.com>
564
565         * arm.cc (Target_arm::merge_object_attributes): Check command line
566         options --no-wchar-size-warning and --no-enum-size-warning.
567         * options.h (General_options): Add ld-compatible options
568         --no-enum-size-warning and --no-wchar-size-warning.
569
570 2010-08-04  Ian Lance Taylor  <iant@google.com>
571
572         * x86_64.cc (Target_x86_64::Scan::local): Use
573         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
574         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
575         (Target_x86_64::Scan::global): Likewise.
576         (Target_x86_64::Relocate::relocate): Likewise.
577         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
578         Likewise.
579
580 2010-08-03  Cary Coutant  <ccoutant@google.com>
581
582         * merge.cc (Output_merge_string::do_add_input_section): Count strings
583         to reserve space in merged_strings vector. Keep total input size
584         for stats.
585         (Output_merge_string::do_print_merge_stats): Print total input size.
586         * merge.h (Output_merge_string): Add input_size_ field.
587         * stringpool.cc (Stringpool_template::string_length): Move
588         implementations out of Stringpool_template class and place in
589         stringpool.h.
590         * stringpool.h (string_length): Move out of Stringpool_template.
591
592 2010-08-03  Ian Lance Taylor  <iant@google.com>
593
594         PR 11712
595         * layout.cc (relaxation_loop_body): If address of load segment is
596         set, adjust address to include headers if possible.
597
598 2010-08-03  Ian Lance Taylor  <iant@google.com>
599
600         * version.cc (version_string): Bump to 1.10.
601
602 2010-08-03  Ian Lance Taylor  <iant@google.com>
603
604         PR 11805
605         * layout.h (enum Output_section_order): Define.
606         (class Layout): Update declarations.
607         * layout.cc (Layout::get_output_section): Add order parameter.
608         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
609         is_first_non_relro parameters.  Change all callers.
610         (Layout::choose_output_section): Likewise.
611         (Layout::add_output_section_data): Likewise.
612         (Layout::make_output_section): Likewise.  Set order.
613         (Layout::default_section_order): New function.
614         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
615         * output.cc (Output_section::Output_section): Initialize order_.
616         Don't initialize deleted fields.
617         (Output_segment::Output_segment): Don't initialize deleted
618         fields.
619         (Output_segment::add_output_section_to_load): New function
620         replacing add_output_section.  Change all callers to call this or
621         add_output_section_to_nonload.
622         (Output_segment::add_output_section_to_nonload): New function.
623         (Output_segment::remove_output_section): Rewrite.
624         (Output_segment::add_initial_output_data): Likewise.
625         (Output_segment::has_any_data_sections): Likewise.
626         (Output_segment::is_first_section_relro): Likewise.
627         (Output_segment::maximum_alignment): Likewise.
628         (Output_segment::has_dynamic_reloc): New function replacing
629         dynamic_reloc_count.  Change all callers.
630         (Output_segment::has_dynamic_reloc_list): New function replacing
631         dynamic_reloc_count_list.  Change all callers.
632         (Output_segment::set_section_addresses): Rewrite.
633         (Output_segment::set_offset): Rewrite.
634         (Output_segment::find_first_and_last_list): Remove.
635         (Output_segment::set_tls_offsets): Rewrite.
636         (Output_segment::first_section_load_address): Likewise.
637         (Output_segment::output_section_count): Likewise.
638         (Output_segment::section_with_lowest_load_address): Likewise.
639         (Output_segment::write_section_headers): Likewise.
640         (Output_segment::print_sections_to_map): Likewise.
641         * output.h (class Output_data): Remove dynamic_reloc_count_
642         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
643         (Output_data::add_dynamic_reloc): Rewrite.
644         (Output_data::has_dynamic_reloc): New function.
645         (Output_data::dynamic_reloc_count): Remove.
646         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
647         is_last_relro_, is_first_non_relro_, is_interp_,
648         is_dynamic_linker_section_ fields.  Add order and set_order
649         functions.  Remove is_relro_local, set_is_relro_local,
650         is_last_relro, set_is_last_relro, is_first_non_relro,
651         set_is_first_non_relro functions, is_interp, set_is_interp,
652         is_dynamic_linker_section, and set_is_dynamic_linker_section
653         functions.
654         (class Output_segment): Change Output_data_list from std::list to
655         std:;vector.  Add output_lists_ field.  Remove output_data_ and
656         output_bss_ fields.  Update declarations.
657
658 2010-08-02  Ian Lance Taylor  <iant@google.com>
659
660         * arm.cc (Target_arm::gc_process_relocs): Use typename.
661         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
662         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
663
664 2010-08-02  Ian Lance Taylor  <iant@google.com>
665
666         PR 11855
667         * script.cc (Script_options::Script_options): Initialize
668         symbol_definitions_ and symbol_references_.
669         (Script_options::add_symbol_assignment): Update
670         symbol_definitions_ and symbol_references_.
671         (Script_options::add_symbol_reference): New function.
672         (script_symbol): New function.
673         * script.h (class Script_options): Add symbol_definitions_ and
674         symbol_references_ fields.
675         (Script_options::referenced_const_iterator): New type.
676         (Script_options::referenced_begin): New function.
677         (Script_options::referenced_end): New function.
678         (Script_options::is_referenced): New function.
679         (Script_options::any_unreferenced): New function.
680         * script-c.h (script_symbol): Declare.
681         * yyscript.y (exp): Call script_symbol.
682         * symtab.cc: Include "script.h".
683         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
684         Change all callers.  Check symbols referenced by scripts.
685         (Symbol_table::add_undefined_symbols_from_command_line): Add
686         layout parameter.  Change all callers.
687         (Symbol_table::do_add_undefined_symbols_from_command_line):
688         Likewise.  Break out loop body.  Check symbols referenced by
689         scripts.
690         (Symbol_table::add_undefined_symbol_from_command_line): New
691         function broken out of
692         do_add_undefined_symbols_from_command_line.
693         * symtab.h (class Symbol_table): Update declarations.
694         * archive.cc: Include "layout.h".
695         (Archive::should_include_member): Add layout parameter.  Change
696         all callers.  Check for symbol mentioned in expression.
697         * archive.h (class Archive): Update declaration.
698         * object.cc (Sized_relobj::do_should_include_member): Add layout
699         parameter.
700         * object.h (Object::should_include_member): Add layout parameter.
701         Change all callers.
702         (Object::do_should_include_member): Add layout parameter.
703         (class Sized_relobj): Update declaration.
704         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
705         parameter.
706         * dynobj.h (class Sized_dynobj): Update declaration.
707         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
708         layout parameter.
709         * plugin.h (class Sized_pluginobj): Update declaration.
710
711 2010-08-02  Ian Lance Taylor  <iant@google.com>
712
713         PR 11866
714         * output.cc (Output_segment::set_offset): Search for the first and
715         last sections rather than assuming that the list is in order.
716         (Output_segment::find_first_and_last_list): New function.
717         * output.h (class Output_segment): Update declarations.
718         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
719         (relro_strip_test_SOURCES): New variable.
720         (relro_strip_test_DEPENDENCIES): New variable.
721         (relro_strip_test_LDFLAGS): New variable.
722         (relro_strip_test_LDADD): New variable.
723         (relro_strip_test.so): New target.
724
725 2010-08-02  Ian Lance Taylor  <iant@google.com>
726
727         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
728         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
729         (Target_i386::got_tlsdesc_section): New function.
730         (Target_i386::got_section): Create space for GOT entries for
731         TLSDESC relocations.
732         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
733         R_386_TLS_GOTDESC.
734         (Target_i386::Scan::global): Likewise.
735         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
736         using TLSDESC GOT.
737         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
738         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
739         (Target_x86_64::got_tlsdesc_section): New function.
740         (Target_x86_64::got_section): Create space for GOT entries for
741         TLSDESC relocations.
742         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
743         R_386_TLS_GOTDESC.
744         (Target_x86_64::Scan::global): Likewise.
745         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
746         using TLSDESC GOT.
747
748 2010-08-02  Ian Lance Taylor  <iant@google.com>
749
750         * testsuite/final_layout.sh: Use dc to convert from hex to
751         decimal.
752
753 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
754
755         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
756         paramter to the call to gold::gc_process_relocs.
757         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
758         paramter to the call to gold::gc_process_relocs.
759         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
760         parameter to the call to gold::gc_process_relocs.
761         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
762         template parameter to the call to gold::gc_process_relocs.
763         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
764         paramter to the call to gold::gc_process_relocs.
765         * gc.h (get_embedded_addend_size): New function.
766         (gc_process_relocs): Save the size of the reloc for use by ICF.
767         * icf.cc (get_section_contents): Get the addend from the text section
768         for SHT_REL relocation sections.
769         * icf.h (Icf::Reloc_addend_size_info): New typedef.
770         (Icf::Reloc_info): Add new member reloc_addend_size_info.
771         * int_encoding.h (read_from_pointer): New overloaded function.
772         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
773         * testsuite/icf_sht_rel_addend_test.sh: New file.
774         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
775         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
776
777 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
778
779         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
780         * Makefile.in: Regenerate.
781         * testsuite/Makefile.in: Regenerate.
782
783 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
784
785         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
786         * gold/testsuite/debug_msg.cc: Likewise.
787         * gold/testsuite/odr_violation1.cc
788         * gold/testsuite/odr_violation2.cc
789
790 2010-07-21  Cary Coutant  <ccoutant@google.com>
791
792         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
793         string, and length fields.
794         (Output_merge_string::Merged_strings_list): New type.
795         (Output_merge_string::Merged_strings_lists): New typedef.
796         (Output_merge_string): Replace merged_strings_ with
797         merged_strings_lists_.
798         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
799         Merged_strings_list per input object and section.  Don't store pointer
800         to the string.  Don't store length with each merged string entry.
801         (Output_merge_string::finalize_merged_data): Loop over list of merged
802         strings lists.  Recompute length of each merged string.
803
804 2010-07-15  Cary Coutant  <ccoutant@google.com>
805
806         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
807         here.
808
809 2010-07-14  Ian Lance Taylor  <iant@google.com>
810
811         * descriptors.cc (Descriptors::open): Report correct name in error
812         message.
813
814 2010-07-13  Doug Kwan  <dougkwan@google.com>
815
816         * arm.cc (Arm_input_section::Arm_input_section): For a
817         SHT_ARM_EXIDX section, always keeps the input sections.
818         (Arm_input_section::set_exidx_section_link): New method.
819         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
820         has_errors_ to false.
821         (Arm_exidx_input_section::has_errors,
822         Arm_exidx_input_section::set_has_errors): New methods.
823         (Arm_exidx_input_section::has_errors_): New data member.
824         (Arm_relobj::get_exidx_shndx_list): New method.
825         (Arm_output_section::append_text_sections_to_list): Do not skip
826         section without SHF_EXECINSTR.
827         (Arm_output_section::fix_exidx_coverage): Skip input sections with
828         errors.
829         (Arm_relobj::make_exidx_input_section): Add new parameter for text
830         section header.  Make error messages more verbose.  Check for
831         a non-executable section linked to an EXIDX section.
832         (Arm_relobj::do_read_symbols): Remove error checking, which has been
833         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
834         check that there is no deferred EXIDX section if we exit early.
835         Instead of not making an EXIDX section in case of an error, make one
836         and set the has_errors flag of it.
837         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
838         in a relocatable link.
839         (Target_arm::do_relax): Look for the EXIDX output section instead of
840         assuming that it is called .ARM.exidx.
841         (Target_arm::fix_exidx_coverage): Add a new parameter for input
842         section list.  Do not check for SHF_EXECINSTR section flags but
843         skip any input section with errors.
844         * output.cc (Output_section::Output_section): Initialize
845         always_keeps_input_sections_ to false.
846         (Output_section::add_input_section): Check for
847         always_keeps_input_sections_.
848         *  output.h (Output_section::always_keeps_input_sections,
849         Output_section::set_always_keeps_input_sections): New methods.
850         (Output_section::always_keeps_input_sections): New data member.
851
852 2010-07-13  Rafael Espindola  <espindola@google.com>
853
854         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
855         * fileread.h (Input_file): Add try_extra_search_path and find_file.
856
857 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
858             Ian Lance Taylor  <iant@google.com>
859
860         * output.h (Output_section_lookup_maps::add_merge_section):
861         Correct check of whether value was inserted.
862         (Output_section_lookup_maps::add_merge_input_section): Likewise.
863         (Output_section_lookup_maps::add_relaxed_input_section):
864         Likewise.
865         * arm.cc (Target_arm::got_section): Remove used local os.
866         * i386.cc (Target_i386::got_section): Likewise.
867         * x86_64.cc (Target_x86_64::got_section): Likewise.
868         * sparc.cc (Target_sparc::got_section): Likewise.
869         (Target_sparc::relocate): Remove unused local have_got_offset.
870         * powerpc.cc (Target_powerpc::relocate): Likewise.
871
872 2010-07-13  Ian Lance Taylor  <iant@google.com>
873
874         * compressed_output.cc (zlib_decompress): Fix signature in
875         !HAVE_ZLIB_H case.
876
877         * archive.cc (Archive::include_member): Unlock an external member
878         of a thin archive.  Don't bother to delete an object we know is
879         NULL.
880
881 2010-07-12  Cary Coutant  <ccoutant@google.com>
882
883         * compressed_output.cc (zlib_decompress): New function.
884         (get_uncompressed_size): New function.
885         (decompress_input_section): New function.
886         * compressed_output.h (get_uncompressed_size): New function.
887         (decompress_input_section): New function.
888         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
889         Handle compressed debug sections.
890         * layout.cc (is_compressed_debug_section): New function.
891         (Layout::output_section_name): Map compressed section names to
892         canonical names.
893         * layout.h (is_compressed_debug_section): New function.
894         (is_debug_info_section): Recognize compressed debug sections.
895         * merge.cc: Include compressed_output.h.
896         (Output_merge_data::do_add_input_section): Handle compressed
897         debug sections.
898         (Output_merge_string::do_add_input_section): Handle compressed
899         debug sections.
900         * object.cc: Include compressed_output.h.
901         (Sized_relobj::Sized_relobj): Initialize new data members.
902         (build_compressed_section_map): New function.
903         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
904         * object.h (Object::section_is_compressed): New method.
905         (Object::do_section_is_compressed): New method.
906         (Sized_relobj::Compressed_section_map): New type.
907         (Sized_relobj::do_section_is_compressed): New method.
908         (Sized_relobj::compressed_sections_): New data member.
909         * output.cc (Output_section::add_input_section): Handle compressed
910         debug sections.
911         * reloc.cc: Include compressed_output.h.
912         (Sized_relobj::write_sections): Handle compressed debug sections.
913
914 2010-07-08  Cary Coutant  <ccoutant@google.com>
915
916         * resolve.cc (Symbol_table::resolve): Remember whether undef was
917         weak when resolving to a dynamic def.
918         (Symbol_table::should_override): Add adjust_dyndef flag; set it
919         for weak undef/dynamic def cases. Adjust callers.
920         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
921         undef_binding_weak_.
922         (Symbol_table::sized_write_globals): Adjust symbol binding.
923         (Symbol_table::sized_write_symbol): Add binding parameter.
924         * symtab.h (Symbol::set_undef_binding): New method.
925         (Symbol::is_undef_binding_weak): New method.
926         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
927         (Symbol_table::should_override): Add new parameter.
928         (Symbol_table::sized_write_symbol): Add new parameter.
929
930         * testsuite/weak_undef_file1.cc: Add new test case.
931         * testsuite/weak_undef_file2.cc: Fix header comment.
932         * testsuite/weak_undef_test.cc: Add new test case.
933
934 2010-06-29  Doug Kwan  <dougkwan@google.com>
935
936         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
937         Initialize USE_SYMBOL_.
938         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
939         definition.
940         (Arm_reloc_property::uses_symbol_): New data member declaration.
941         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
942         uses symbol value and symbol is undefined but not weakly undefined.
943
944 2010-06-28  Rafael Espindola  <espindola@google.com>
945
946         * plugin.cc (Plugin::load): Use dlerror.
947
948 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
949
950         * symtab.cc (detect_odr_violations): When reporting an ODR
951         violation, report an object where the symbol is defined.
952
953 2010-06-25  Doug Kwan  <dougkwan@google.com>
954
955         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
956         (Target_arm::section_may_have_icf_unsafe_pointers): New method
957         definition.
958         (Target_arm::Scan::local_reloc_may_be_function_pointer,
959         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
960         target hook to detect function points.
961         (Target_arm::Scan::possible_function_pointer_reloc): New method.
962         * icf.h (Icf::check_section_for_function_pointers): Change type of
963         parameter SECTION_NAME to const reference to std::string.  Use
964         target hook to determine if section may have unsafe pointers.
965         * target.h (Target::section_may_have_icf_unsafe_pointers): New
966         method definition.
967
968 2010-06-21  Rafael Espindola  <espindola@google.com>
969
970         * fileread.cc (Input_file::find_fie): New
971         (Input_file::open): Use Input_file::find_fie.
972         * fileread.h (Input_file::find_fie): New
973         * plugin.cc (set_extra_library_path): New.
974         (Plugin::load): Add set_extra_library_path to the transfer vector.
975         (Plugin_manager::set_extra_library_path): New.
976         (Plugin_manager::add_input_file): Use the extra search path if set.
977         (set_extra_library_path(): New.
978         * plugin.h (Plugin_manager): Add set_extra_library_path and
979         extra_search_path_.
980
981 2010-06-19  Cary Coutant  <ccoutant@google.com>
982
983         * layout.cc (gdb_sections): Add .debug_types.
984         (lines_only_debug_sections): Likewise.
985
986 2010-06-18  Rafael Espindola  <espindola@google.com>
987
988         * plugin.cc (add_input_file,add_input_library)
989         (Plugin_manager::add_input_file): Make filename arguments const.
990         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
991         const.
992
993 2010-06-16  Doug Kwan  <dougkwan@google.com>
994
995         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
996         .ARM.attributes section if we have not merged any input
997         attributes sections.
998
999 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1000
1001         * arm.cc: Allow combining objects with no EABI version
1002         information.
1003
1004 2010-06-15  Rafael Espindola  <espindola@google.com>
1005
1006         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1007
1008 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1009
1010         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1011         (struct iovec): Correct !HAVE_READV definition.
1012
1013 2010-06-10  Cary Coutant  <ccoutant@google.com>
1014
1015         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1016         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1017         reloc sections.
1018         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1019
1020         PR 11683
1021         * symtab.h (Symbol::is_placeholder): New member function.
1022         * target-reloc.h (relocate_section): Check for placeholder symbols.
1023
1024         * testsuite/Makefile.am (plugin_test_8): New test.
1025         (plugin_test_9): New test.
1026         * testsuite/Makefile.in: Regenerate.
1027
1028 2010-06-09  Nick Clifton  <nickc@redhat.com>
1029
1030         * yyscript.y (input_list_element): Allow strings prefixed with
1031         the '-' character.  Treat these as libraries.
1032         * script.cc (script_add_library): New function.  Adds a library
1033         specified by "-l<name>" found in an input script.
1034         * script-c.h: Add prototype for script_add_library.
1035
1036 2010-06-07  Doug Kwan  <dougkwan@google.com>
1037
1038         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1039         Restrict stub-group size to be within long conditional branch
1040         range when working around cortex-A8 erratum.
1041
1042 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1043
1044         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1045         #ifdef typo.
1046
1047 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1048
1049         PR gold/11658
1050         * output.cc
1051         (Output_section::Input_section_sort_entry::compare_section_ordering):
1052         Change to return non-zero correctly.
1053         (Output_section::Input_section_sort_section_order_index_compare
1054         ::operator()): Change to fix ambiguity in comparisons.
1055
1056 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1057
1058         * gold.h (is_wildcard_string): New function.
1059         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1060         (Layout::layout_eh_frame): Ditto.
1061         (Layout::find_section_order_index): New method.
1062         (Layout::read_layout_from_file): New method.
1063         * layout.h (Layout::find_section_order_index): New method.
1064         (Layout::read_layout_from_file): New method.
1065         (Layout::input_section_position_): New private member.
1066         (Layout::input_section_glob_): New private member.
1067         * main.cc (main): Call read_layout_from_file here.
1068         * options.h (--section-ordering-file): New option.
1069         * output.cc (Output_section::input_section_order_specified_): New
1070         member.
1071         (Output_section::Output_section): Initialize new member.
1072         (Output_section::add_input_section): Add new parameter.
1073         Keep input sections when --section-ordering-file is used.
1074         (Output_section::set_final_data_size): Sort input sections when
1075         section ordering file is specified.
1076         (Output_section::Input_section_sort_entry): Add new parameter.
1077         Check sorting type.
1078         (Output_section::Input_section_sort_entry::compare_section_ordering):
1079         New method.
1080         (Output_section::Input_section_sort_compare::operator()): Change to
1081         consider section_order_index.
1082         (Output_section::Input_section_sort_init_fini_compare::operator()):
1083         Change to consider section_order_index.
1084         (Output_section::Input_section_sort_section_order_index_compare
1085         ::operator()): New method.
1086         (Output_section::sort_attached_input_sections): Change to sort
1087         according to section order when specified.
1088         (Output_section::add_input_section<32, true>): Add new parameter.
1089         (Output_section::add_input_section<64, true>): Add new parameter.
1090         (Output_section::add_input_section<32, false>): Add new parameter.
1091         (Output_section::add_input_section<64, false>): Add new parameter.
1092         * output.h (Output_section::add_input_section): Add new parameter.
1093         (Output_section::input_section_order_specified): New
1094         method.
1095         (Output_section::set_input_section_order_specified): New method.
1096         (Input_section::Input_section): Initialize section_order_index_.
1097         (Input_section::section_order_index): New method.
1098         (Input_section::set_section_order_index): New method.
1099         (Input_section::section_order_index_): New member.
1100         (Input_section::Input_section_sort_section_order_index_compare): New
1101         struct.
1102         (Output_section::input_section_order_specified_): New member.
1103         * script-sections.cc (is_wildcard_string): Delete and move modified
1104         method to gold.h.
1105         (Output_section_element_input::Output_section_element_input): Modify
1106         call to is_wildcard_string.
1107         (Output_section_element_input::Input_section_pattern
1108         ::Input_section_pattern): Ditto.
1109         (Output_section_element_input::Output_section_element_input): Ditto.
1110         * testsuite/Makefile.am (final_layout): New test case.
1111         * testsuite/Makefile.in: Regenerate.
1112         * testsuite/final_layout.cc: New file.
1113         * testsuite/final_layout.sh: New file.
1114
1115 2010-06-01  Rafael Espindola  <espindola@google.com>
1116
1117         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1118
1119 2010-06-01  Rafael Espindola  <espindola@google.com>
1120
1121         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1122         visibility of symbols.
1123
1124 2010-05-27  Doug Kwan  <dougkwan@google.com>
1125
1126         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1127         from start of output section instead of address for a local symbol
1128         in a merged or relaxed section when doing a relocatable link.
1129
1130 2010-05-26  Rafael Espindola  <espindola@google.com>
1131
1132        PR 11604
1133         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1134         adding sections the garbage collector removed.
1135         * gold/testsuite/Makefile.am: Add test.
1136         * gold/testsuite/Makefile.in: Regenerate.
1137         * gold/testsuite/plugin_test_7.sh: New.
1138         * gold/testsuite/plugin_test_7_1.c: New.
1139         * gold/testsuite/plugin_test_7_2.c: New.
1140
1141 2010-05-26  Rafael Espindola  <espindola@google.com>
1142
1143         * script-sections.cc (Output_section_definition::set_section_addresses):
1144         Check for --section-start.
1145
1146 2010-05-26  Doug Kwan  <dougkwan@google.com>
1147
1148         * arm.cc (Arm_scan_relocatable_relocs): New class.
1149         (Target_arm::relocate_special_relocatable): New method.
1150         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1151         (Arm_relocate_functions::thumb_branch_common): Same.
1152         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1153         instead of Default_scan_relocatable_relocs.
1154         * target-reloc.h (relocate_for_relocatable): Let target handle
1155         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1156         * target.h (Sized_target::relocate_special_relocatable): New method.
1157
1158 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1159
1160         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1161
1162 2010-05-23  Doug Kwan  <dougkwan@google.com>
1163
1164         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1165         instead of a cast.
1166         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1167         with a direct branch, not a conditional branch, to a stub.
1168         * merge.cc (Output_merge_base::record_input_section): New method
1169         defintion.
1170         (Output_merge_data::do_add_input_section): Record input section if
1171         keeps-input-sections flag is set.
1172         (Output_merge_string::do_add_input_section): Ditto.
1173         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1174         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1175         INPUT_SECTIONS_.
1176         (Output_merge_base::keeps_input_sections,
1177         Output_merge_base::set_keeps_input_sections,
1178         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1179         method definitions.
1180         (Output_merge_base::Input_sections): New type declaration.
1181         (Output_merge_base::input_sections_begin,
1182         Output_merge_base::input_sections_end,
1183         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1184         (Output_merge_base::bool keeps_input_sections_,
1185         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1186         Output_merge_base::input_sections_): New data members.
1187         (Output_merge_data::do_set_keeps_input_sections): New method
1188         defintion.
1189         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1190         * output.cc (Output_section::Input_section::relobj): Move method
1191         defintion from class declaration to here and handle merge sections.
1192         (Output_section::Input_section::shndx): Ditto.
1193         (Output_section::Output_section): Remove initializations of removed
1194         data members and initialize new data member LOOKUP_MAPS_.
1195         (Output_section::add_input_section): Set keeps-input-sections flag
1196         for a newly created merge output section as appropriate.  Adjust code
1197         to use Output_section_lookup_maps class.
1198         (Output_section::add_relaxed_input_section): Adjst code for lookup
1199         maps code refactoring.
1200         (Output_section::add_merge_input_section): Add a new parameter
1201         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1202         class.  If adding input section to a newly created merge output
1203         section fails, remove the new merge section.
1204         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1205         Adjust code for use of the Output_section_lookup_maps class.
1206         (Output_section::find_merge_section): Ditto.
1207         (Output_section::build_lookup_maps): New method defintion.
1208         (Output_section::find_relaxed_input_section): Adjust code to use
1209         Output_section_lookup_maps class.
1210         (Output_section::get_input_sections): Export merge sections.  Adjust
1211         code to use Output_section_lookup_maps class.
1212         (Output_section:::add_script_input_section): Adjust code to use
1213         Output_section_lookup_maps class.  Update lookup maps for merge
1214         sections also.
1215         (Output_section::discard_states): Use Output_section_lookup_maps.
1216         (Output_section::restore_states): Same.
1217         * output.h (Merge_section_properties): Move class defintion out of
1218         Output_section.
1219         (Output_section_lookup_maps): New class.
1220         (Output_section::Input_section::is_merge_section): New method
1221         defintion.
1222         (Output_section::Input_section::relobj): Move defintion out of class
1223         defintion.  Declare method only.
1224         (Output_section::Input_section::shndx): Ditto.
1225         (Output_section::Input_section::output_merge_base): New method defintion.
1226         (Output_section::Input_section::u2_.pomb): New union field.
1227         (Output_section::Merge_section_by_properties_map,
1228         Output_section::Output_section_data_by_input_section_map,
1229         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1230         Remove types.
1231         (Output_section::add_merge_input_section): Add new parameter
1232         KEEPS_INPUT_SECTIONS.
1233         (Output_section::build_lookup_maps): New method declaration.
1234         (Output_section::merge_section_map_,
1235         Output_section::merge_section_by_properties_map_,
1236         Output_section::relaxed_input_section_map_,
1237         Output_section::is_relaxed_input_section_map_valid_): Remove data
1238         members.
1239         (Output_section::lookup_maps_): New data member.
1240
1241 2010-05-21  Doug Kwan  <dougkwan@google.com>
1242
1243         PR gold/11619
1244         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1245         avoid a compilation error.
1246
1247 2010-05-19  Rafael Espindola  <espindola@google.com>
1248
1249         * script-sections.cc (Output_section_definition::allocate_to_segment):
1250         Update the phdrs_list even when the output section is NULL.
1251         * testsuite/Makefile.am: Add test.
1252         * testsuite/Makefile.in: Regenerate.
1253         * testsuite/script_test_9.cc: New.
1254         * testsuite/script_test_9.sh: New.
1255         * testsuite/script_test_9.t: New.
1256
1257 2010-05-19  Doug Kwan  <dougkwan@google.com>
1258
1259         * arm.cc (Arm_input_section::original_size): New method.
1260         (Arm_input_section::do_addralign): Add a cast.
1261         (Arm_input_section::do_output_offset): Remove static cast.
1262         (Arm_input_section::original_addralign,
1263          Arm_input_section::original_size_): Change type to uint32_t.
1264         (Arm_input_section::init): Add safe casts for section alignment
1265         and size.
1266         (Arm_input_section::set_final_data_size): Do not set address and
1267         offset of stub table.
1268         (Arm_output_section::fix_exidx_coverage): Change use of of
1269         Output_section::Simple_input_section to that of
1270         Output_section::Input_section.
1271         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1272         except for the first pass.
1273         * output.cc (Output_section::get_input_sections): Change type of
1274         input_sections to std::list<Input_section>.
1275         (Output_section::add_script_input_section): Rename from
1276         Output_section::add_simple_input_section.  Change type of SIS
1277         parameter from Simple_input_section to Input_section.
1278         * output.h (Output_section::Simple_input_section): Remove class.
1279         (Output_section::Input_section): Change class visibility to public.
1280         (Output_section::Input_section::addralign): Use stored alignments
1281         for special input sections if set.
1282         (Output_section::Input_section::set_addralign): New method.
1283         (Output_section::get_input_sections): Change parameter type from
1284         list of Simple_input_section to list of Input_section.
1285         (Output_section::add_script_input_section): Rename from
1286         Output_section::add_simple_input_section. Change first parameter's
1287         type from Simple_input_section to Input_section and remove the
1288         second and third parameters.
1289         * script-sections.cc (Input_section::Input_section_list): Change
1290         type to list of Output_section::Input_section/
1291         (Input_section_info::Input_section_info): Change parameter type of
1292         INPUT_SECTION to Output_section::Input_section.
1293         (Input_section_info::input_section): Change return type.
1294         (Input_section_info::input_section_): Change type to
1295         Output_section::Input_section.
1296         (Output_section_element_input::set_section_addresses): Adjust code
1297         to use Output_section::Input_section instead of
1298         Output_section::Simple_input_section.  Adjust code for renaming
1299         of Output_section::add_simple_input_section.
1300         (Orphan_output_section::set_section_addresses): Ditto.
1301
1302 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1303
1304         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1305         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1306
1307 2010-05-18  Rafael Espindola  <espindola@google.com>
1308
1309         * options.cc (General_options::finalize): Handle -nostdlib.
1310         * options.h (nostdlib): New option.
1311         * script.cc (script_add_search_dir): Handle -nostdlib.
1312
1313 2010-05-12  Doug Kwan  <dougkwan@google.com>
1314
1315         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1316         attributes section only if there no attributes section after merging.
1317         (Target_arm::merge_object_attributes): Move value of
1318         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1319         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1320         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1321         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1322         and arm_attr_merge_7.stdout.
1323         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1324         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1325         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1326         arm_attr_merge_7b.o): New rules.
1327         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1328         arm_attr_merge_7
1329         * testsuite/Makefile.in: Regenerate.
1330         * testsuite/arm_attr_merge.sh: New file.
1331         * testsuite/arm_attr_merge_[67][ab].s: Same.
1332
1333 2010-05-05  Nick Clifton  <nickc@redhat.com>
1334
1335         * po/es.po: Updated Spanish translation.
1336
1337 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1338
1339         * Makefile.am (install-exec-local): Properly install gold as
1340         default cross linker.
1341         * Makefile.in: Regenerated.
1342
1343 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1344             Nick Clifton  <nickc@redhat.com>
1345
1346         * configure.ac (install_as_default): Define and set to false
1347         unless --enable-gold or --enable-gold=both/gold has been
1348         specified.
1349         * configure: Regenerate.
1350
1351         * Makefile.am (install-exec-local): Install the executable as
1352         'ld.gold'.  If install_as_default is true then also install it as
1353         'ld'.
1354         * Makefile.in: Regenerated.
1355
1356 2010-04-24  Ian Lance Taylor  <iant@google.com>
1357
1358         * layout.cc (Layout::layout_reloc): In relocatable link don't
1359         combine reloc sections for grouped sections.
1360
1361 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1362
1363         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1364         sections that are not ordinary to icf.
1365         * icf.cc (get_section_contents): Handle relocation pointing to section
1366         with no object or shndx information.
1367         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1368         * testsuite/Makefile.in: Regenerate.
1369         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1370         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1371
1372 2010-04-22  Ian Lance Taylor  <iant@google.com>
1373
1374         * expression.cc (Expression::Expression_eval_info): Add
1375         result_alignment_pointer field.
1376         (Expression::eval_with_dot): Add result_alignment_pointer
1377         parameter.  Change all callers.
1378         (Expression::eval_maybe_dot): Likewise.
1379         (class Binary_expression): Add alignment_pointer parameter to
1380         left_value and right_value.  Change all callers.
1381         (BINARY_EXPRESSION): Set result alignment.
1382         (class Trinary_expression): Add alignment_pointer parameter to
1383         arg2_value and arg3_value.  Change all callers.
1384         (Trinary_cond::value): Set result alignment.
1385         (Max_expression::value, Min_expression::value): Likewise.
1386         (Align_expression::value): Likewise.
1387         * script-sections.cc (class Sections_element): Add dot_alignment
1388         parameter to set_section_addresses virtual function.  Update
1389         instantiations.
1390         (class Output_section_element): Likewise.
1391         (Script_sections::create_segments): Add dot_alignment parameter.
1392         Change all callers.
1393         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1394         (Script_sections::set_phdrs_clause_addresses): Likewise.
1395         * script-sections.h: Update declarations.
1396         * script.h: Update declarations.
1397         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1398         min_p_align.
1399         * testsuite/script_test_3.t: Set large alignment.
1400         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1401         segment has expected alignment.
1402
1403 2010-04-22  Nick Clifton  <nickc@redhat.com>
1404
1405         * po/gold.pot: Updated by the Translation project.
1406         * po/vi.po: Updated Vietnamese translation.
1407
1408 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1409
1410         * testsuite/Makefile.am (check_PROGRAMS): Add
1411         icf_virtual_function_folding_test.
1412         * testsuite/Makefile.in: Regenerated.
1413
1414 2010-04-15  Andrew Haley  <aph@redhat.com>
1415
1416         * options.h (merge_exidx_entries): New option.
1417         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1418         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1419         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1420         (Target_arm::merge_exidx_entries): New function.
1421         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1422         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1423         to Arm_exidx_fixup constructor.
1424         Add new arg, merge_exidx_entries.
1425         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1426         Arm_output_section::fix_exidx_coverage.
1427
1428 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
1429
1430         * icf.cc (get_section_contents): Check for preemptible functions.
1431         Ignore addend when appropriate.
1432         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
1433         section folded.
1434         (add_from_relobj): Check for section folded.
1435         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1436         * symtab.h (should_add_dynsym_entry): Add new parameter.
1437         * target-reloc.h (scan_relocs): Check for section folded.
1438         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1439         Check reloc types for function pointers in shared objects.
1440         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1441         case.
1442         (icf_preemptible_functions_test): New test case.
1443         (icf_string_merge_test): New test case.
1444         * testsuite.Makefile.in: Regenerate.
1445         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1446         bar_glob.  Refactor code.
1447         * testsuite/icf_preemptible_functions_test.cc: New file.
1448         * testsuite/icf_preemptible_functions_test.sh: New file.
1449         * testsuite/icf_string_merge_test.cc: New file.
1450         * testsuite/icf_string_merge_test.sh: New file.
1451         * testsuite/icf_virtual_function_folding_test.cc: New file.
1452         * testsuite/icf_virtual_function_folding_test.sh: New file.
1453
1454 2010-04-14  Doug Kwan  <dougkwan@google.com>
1455
1456         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1457         for local symbol recounting if we remove a section due to ICF.
1458         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1459         there are no regular objects in input.
1460
1461 2010-04-13  Doug Kwan  <dougkwan@google.com>
1462
1463         * arm.cc (Arm_input_section::set_final_data_size): Compute
1464         accurate final data size instead of using current data size.
1465
1466 2010-04-09  Doug Kwan  <dougkwan@google.com>
1467
1468         * layout.cc (Layout::choose_output_section): Handle script section
1469         types.
1470         (Layout::make_output_section_for_script): Add section type parameter.
1471         Handle script section types.
1472         * layout.h (Layout::make_output_section_for_script): Add section
1473         type parameter.
1474         * output.cc (Output_section::Output_section): Initialize data member
1475         is_noload_.
1476         (Output_section::do_reset_address_and_file_offset): Do not set address
1477         to 0 if section is a NOLOAD section.
1478         * output.h (Output_section::is_noload): New method.
1479         (Output_section::set_is_noload): Ditto.
1480         (Output_section::is_noload_): New data member.
1481         * script-c.h (Script_section_type): New enum type.
1482         (struct Parser_output_section_header): Add new file section_type.
1483         * script-sections.cc (Sections_element::output_section_name): Add
1484         parameter for returning script section type.
1485         (Output_section_definition::output_section_name): Ditto.
1486         (Output_section_definition::section_type)P; New method.
1487         (Output_section_definiton::script_section_type_name): Ditto.
1488         (Output_section_definition::script_section_type_): New data member.
1489         (Output_section_definition::Output_section_definition): Initialize
1490         data member Output_section_definition::script_section_type_.
1491         (Output_section_definition::create_sections): Pass script section type
1492         to Layout::make_output_section_for_script.
1493         (Output_section_definition::output_section_name): Return script
1494         section type to caller.
1495         (Output_section_definition::set_section_address): Do not advance
1496         dot value and load address if section type is NOLOAD.  Set address
1497         of NOLOAD sections regardless of section flags.
1498         (Output_section_definition::print): Print section type if it is
1499         not SCRIPT_SECTION_TYPE_NONE.
1500         (Output_section_definition::section_type): New method.
1501         (Output_section_definition::script_section_type_name): Ditto.
1502         (Script_sections::output_section_name): Add new parameter
1503         PSECTION_TYPE for returning script section type.  Pass it to
1504         section elements.  Handle discard sections.
1505         (Sort_output_sections::operator()): Handle NOLOAD sections.
1506         * script-sections.h (Script_sections::Section_type): New enum type.
1507         (Script_sections::output_section_name): Add a new parameter for
1508         returning script section type.
1509         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
1510         INFO and NOLOAD.
1511         * yyscript.y (union): Add new field SECTION_TYPE.
1512         (COPY, DSECT, INFO, NOLOAD): New tokens.
1513         (opt_address_and_section_type): Change type to output_section_header.
1514         (section_type): New non-terminal
1515         (section_header): Handle section type.
1516         (opt_address_and_section_type): Return section type value.
1517
1518 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1519
1520         * testsuite/plugin_common_test_1.c (foo): Add prototype.
1521         * testsuite/plugin_common_test_2.c (foo): Likewise.
1522
1523 2010-04-08  Doug Kwan  <dougkwan@google.com>
1524
1525         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
1526         Output_merge_data.
1527         * output.cc (Output_section::add_merge_input_section): Simplify
1528         code and return status of Output_merge_base::add_input_section.
1529         Update merge section map only if Output_merge_base::add_input_section
1530         returns true.
1531
1532 2010-04-07  Doug Kwan  <dougkwan@google.com>
1533
1534         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
1535         if section is marked as containing instructions but has no mapping
1536         symbols.
1537         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
1538         correct section index.
1539         (Arm_relobj::find_linked_text_section): Ditto.
1540
1541 2010-04-07  Cary Coutant  <ccoutant@google.com>
1542
1543         * archive.cc (include_member): Destroy Read_symbols_data object before
1544         releasing file.
1545         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
1546         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
1547         (Read_symbols_data::~Read_symbols_data) New destructor.
1548         (Section_relocs::Section_relocs) New constructor.
1549         (Section_relocs::~Section_relocs) New destructor.
1550         (Read_relocs_data::Read_relocs_data) New constructor.
1551         (Read_relocs_data::~Read_relocs_data) New destructor.
1552         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
1553         pointers to NULL after deleting.
1554
1555 2010-04-07  Doug Kwan  <dougkwan@google.com>
1556
1557         * arm.cc: Replace "endianity" with "endianness" in comments.
1558         (Arm_exidx_cantunwind): Ditto.
1559         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
1560         (Arm_relobj::merge_flags_and_attributes): New method.
1561         (Arm_relobj::merge_flags_and_attributes_): New data member.
1562         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
1563         (Arm_relobj::scan_sections_for_stubs): Ditto.
1564         (Arm_relobj::do_read_symbols): Check to see if we really want to
1565         merge processor-specific flags and attributes.  Exit early if
1566         an object is empty except for section names and the undefined symbol.
1567         (Target_arm::do_finalize_sections): Move check for ELF format to
1568         Arm_relobj::do_read_symbols.  Merge processor specific flags and
1569         attributes from a regular object only when we have determined that
1570         it is aapropriate.  Do not create an .ARM.attributes section in
1571         output if there is no regular input object.
1572         (Target_arm::merge_processor_specific_flags): Check
1573         --warn-mismatch before printing any error.
1574         (Target_arm::merge_object_attributes): Ditto.
1575         * gold.cc (queue_middle_tasks): Handle the case in which there is
1576         no regular object in input.
1577         * options.cc (General_options::parse_EB): New method.
1578         (General_options::parse_EL): Same.
1579         (General_options::General_options): Initialize endianness_.
1580         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
1581         New options.
1582         (General_options::Endianness): New enum.
1583         (General_options::endianness): New method.
1584         (General_options::endianness_): New data member.
1585         * parameters.cc (Parameters::set_options): Check target endianness.
1586         (Parameters::set_target_once): Ditto.
1587         (Parameters::check_target_endianness): New method.
1588         (parameters_force_valid_target): If either -EL or -EB is specified,
1589         use it to define endianness of default target.
1590         * parameters.h (Parameters::check_target_endianness): New method
1591         declaration.
1592         * target.h (class Target): Change "endianity" to "endianness"
1593         in comments.
1594
1595 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1596
1597         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
1598         * configure: Regenerate.
1599         * Makefile.in: Regenerate.
1600         * testsuite/Makefile.in: Regenerate.
1601
1602 2010-04-06  Cary Coutant  <ccoutant@google.com>
1603
1604         gcc PR lto/42757
1605         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
1606         prevailing definitions of common symbols.
1607         * testsuite/plugin_test_6.sh: New test case.
1608         * testsuite/plugin_common_test_1.c: New test case.
1609         * testsuite/plugin_common_test_2.c: New test case.
1610         * testsuite/Makefile.am (plugin_test_6): New test case.
1611         * testsuite/Makefile.in: Regenerate.
1612
1613 2010-04-06  Nick Clifton  <nickc@redhat.com>
1614
1615         * po/vi.po: New Vietnamese translation.
1616
1617 2010-03-30  Doug Kwan  <dougkwan@google.com>
1618
1619         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
1620
1621 2010-03-25  Doug Kwan  <dougkwan@google.com>
1622
1623         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
1624         to avoid a conversion warning on a 32-bit host.
1625
1626 2010-03-24  Ian Lance Taylor  <iant@google.com>
1627
1628         * testsuite/script_test_3.t: Add a TLS segment.
1629         * testsuite/Makefile.am (check_PROGRAMS): Add
1630         tls_phdrs_script_test.
1631         (tls_phdrs_script_test_SOURCES): Define.
1632         (tls_phdrs_script_test_DEPENDENCIES): Define.
1633         (tls_phdrs_script_test_LDFLAGS): Define.
1634         (tls_phdrs_script_test_LDADD): Define.
1635         * testsuite/Makefile.in: Rebuild.
1636
1637 2010-03-23  Cary Coutant  <ccoutant@google.com>
1638
1639         * fileread.cc (find_or_make_view): Fix comment.
1640
1641 2010-03-23  Ian Lance Taylor  <iant@google.com>
1642
1643         * script-sections.cc (class Orphan_section_placement): Define
1644         PLACE_TLS and PLACE_TLS_BSS.
1645         (Orphan_section_placement::Orphan_section_placement): Initialize
1646         new places.
1647         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
1648         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
1649         (tls_script_test_SOURCES): Define.
1650         (tls_script_test_DEPENDENCIES): Define.
1651         (tls_script_test_LDFLAGS): Define.
1652         (tls_script_test_LDADD): Define.
1653         * testsuite/Makefile.in: Rebuild.
1654
1655 2010-03-22  Doug Kwan  <dougkwan@google.com>
1656
1657         * arm.cc (Arm_relocate_functions::abs8,
1658         Arm_relocate_functions::abs16): Use correct check for overflow
1659         specified in the ARM ELF specs.
1660         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
1661         target of a BLX instruction specially.
1662         (Reloc_stub::stub_type_for_reloc): Ditto.
1663         (Relocate::relocate): Use symbolic names instead of numeric relocation
1664         codes to report error.
1665         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
1666         workaround.
1667         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
1668         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
1669         thumb2_blx_out_of_range.stdout
1670         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
1671         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
1672         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
1673         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
1674         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
1675         thumb2_blx_in_range, thumb2_blx_in_range.o,
1676         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
1677         thumb2_blx_out_of_range.o): New rules.
1678         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
1679         thumb2_blx_in_range and thumb2_blx_out_of_range.
1680         * testsuite/Makefile.in: Regenerate.
1681         * arm_branch_in_range.sh: Add tests for THUMB BLX.
1682         * testsuite/thumb_blx_in_range.s: New file.
1683         * testsuite/thumb_blx_out_of_range.s: New file.
1684
1685 2010-03-22  Rafael Espindola  <espindola@google.com>
1686
1687         * archive.cc (Should_include): Move to archive.h.
1688         (should_include_member): Make it a member of Archive.
1689         (Lib_group): New.
1690         (Add_lib_group_symbols): New.
1691         * archive.h: Include options.h.
1692         (Archive_member): Moved from Archive.
1693         (Should_include): Moved from archive.cc.
1694         (Lib_group): New.
1695         (Add_lib_group_symbols): New.
1696         * dynobj.cc (do_should_include_member): New.
1697         * dynobj.h (do_should_include_member): New.
1698         * gold.cc (queue_initial_tasks): Update call to queue.
1699         * main.cc (main): Print lib group stats.
1700         * object.cc (do_should_include_member): New.
1701         * object.h: Include archive.h.
1702         (Object::should_include_member): New.
1703         (Object::do_should_include_member): New.
1704         (Sized_relobj::do_should_include_member): New.
1705         * options.cc (General_options::parse_start_lib): New.
1706         (General_options::parse_end_lib): New.
1707         (Input_arguments::add_file): Handle lib groups.
1708         (Input_arguments::start_group): Check we are not in a lib.
1709         (Input_arguments::start_lib): New.
1710         (Input_arguments::end_lib): New.
1711         * options.h (General_options): Add start_lib and end_lib.
1712         (Input_argument::lib_): New.
1713         (Input_argument::lib): New.
1714         (Input_argument::is_lib): New.
1715         (Input_file_lib): New.
1716         (Input_arguments::in_lib_): New.
1717         (Input_arguments::in_lib): New.
1718         (Input_arguments::start_lib): New.
1719         (Input_arguments::end_lib_): New.
1720         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
1721         in unused members as preempted.
1722         (Sized_pluginobj::do_should_include_member): New.
1723         * plugin.h (Sized_pluginobj::do_should_include_member): New.
1724         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
1725         return the blocker.
1726         (Read_symbols::do_whole_lib_group): New.
1727         (Read_symbols::do_lib_group): New.
1728         (Read_symbols::do_read_symbols): Handle lib groups.
1729         (Read_symbols::get_name): Handle lib groups.
1730         * readsyms.h (Read_symbols): Add an archive member pointer.
1731         (Read_symbols::do_whole_lib_group): New.
1732         (Read_symbols::do_lib_group): New.
1733         (Read_symbols::member_): New.
1734         * script.cc (read_input_script): Update call to queue_soon.
1735
1736 2010-03-19  Doug Kwan  <dougkwan@google.com>
1737
1738         * arm.cc (Stub_table::Stub_table): Initialize new data members
1739         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1740         (Stub_table::add_reloc_stub): Assign stub offset and update
1741         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1742         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
1743         New data members.
1744         (Stub_table::update_data_size_and_addralign): Use
1745         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
1746         instead of going over all reloc stubs.
1747         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
1748         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1749         Stringpool_template::offset_ to size of Stringpool_char.
1750         (Stringpool_template::new_key_offset): Remove code to initialize
1751         Stringpool_template::offset_.
1752         * stringpool.h (Stringpool_template::set_no_zero_null): Set
1753         Stringpool_template::offset_ to zero.
1754
1755 2010-03-15  Doug Kwan  <dougkwan@google.com>
1756
1757         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1758         offset_.
1759         (Stringpool_template::new_key_offset): New method.
1760         (Stringpool_template::add_string): Assign offsets when adding new
1761         strings.
1762         (Stringpool_template::set_string_offsets): Do not set string offsets
1763         when not optimizing.
1764         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
1765         member size_.
1766         (Chunked_vector::clear): Clear size_.
1767         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
1768         (Chunked_vector::size): Return size_.
1769         (Chunked_vector::push_back): Use size_ to find insert position.
1770         (Chunked_vector::size_): New data member.
1771         (Stringpool_template::set_no_zero_null): Assert string set is empty.
1772         (Stringpool_template::new_key_offset): New method declaration.
1773         (Stringpool_template::offset_): New data member.
1774
1775 2010-03-15   Rafael Espindola  <espindola@google.com>
1776
1777         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
1778         Add_symbols' constructor.
1779         * readsyms.h (Add_symbols): Remove the input_group member.
1780
1781 2010-03-10  Ian Lance Taylor  <iant@google.com>
1782
1783         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
1784         target to ask whether a reference to a symbol requires a stack
1785         split.
1786         * target.h (Target::is_call_to_non_split): New function.
1787         (Target::do_is_call_to_non_split): Declare virtual function.
1788         * target.cc: Include "symtab.h".
1789         (Target::do_is_call_to_non_split): New function.
1790         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
1791
1792 2010-03-10  Cary Coutant  <ccoutant@google.com>
1793
1794         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
1795         (File_read::open[1]): Remove initial mapping of whole_file_view_.
1796         (File_read::open[2]): Add whole_file_view_ to list of views.
1797         (File_read::make_view): Remove test of whole_file_view_.
1798         (File_read::find_or_make_view): Create whole_file_view_ if
1799         necessary.
1800         (File_read::clear_views): Replace bool parameter with enum;
1801         adjust all callers.  Don't delete views with permanent data;
1802         do delete cached views and views from archives if
1803         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
1804         if clearing the corresponding view.
1805         * fileread.h (File_read::Clear_views_mode): New enum.
1806         (File_read::View::is_permanent_view): New method.
1807         (File_read::clear_views): Replace bool parameter
1808         with enum; adjust all callers.
1809         * options.h (General_options): Change keep_files_mapped option;
1810         add map_whole_files.
1811         * readsyms.cc (Add_symbols::run): Delete sd_ object before
1812         releasing the file.
1813         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
1814         the file.
1815
1816 2010-03-10  David S. Miller  <davem@davemloft.net>
1817
1818         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
1819
1820 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
1821
1822         * icf.cc (get_section_contents): Add '@' marker after processing the
1823         merge reloc.
1824
1825 2010-03-08  Doug Kwan  <dougkwan@google.com>
1826
1827         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
1828         due to a conversion warning.
1829         (Arm_relobj::update_output_local_symbol_count): Check for local
1830         symbol with unset output index.
1831
1832 2010-03-05  Ian Lance Taylor  <iant@google.com>
1833
1834         * options.h (class General_options): Add --spare-dynamic-tags.
1835         * output.cc (Output_data_dynamic::set_final_data_size): Implement
1836         --spare-dynamic-tags.
1837
1838 2010-03-05  Ian Lance Taylor  <iant@google.com>
1839
1840         * incremental.cc: Include "libiberty.h".
1841
1842 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1843
1844         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
1845         function, is_info_ member.
1846         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
1847         (Versions::Versions): Update caller.
1848         (Versions::define_base_version): Likewise.
1849         (Versions::add_def): Likewise.
1850
1851 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
1852
1853         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
1854         (Scan::possible_function_pointer_reloc): New function.
1855         (Scan::local_reloc_may_be_function_pointer): Change to call
1856         possible_function_pointer_reloc.
1857         (Scan::global_reloc_may_be_function_pointer): Ditto.
1858         * icf.h (Icf::check_section_for_function_pointers): Change to reject
1859         relocations in ".data.rel.ro._ZTV" section.
1860         * testsuite/icf_safe_so_test.sh: Change to pass i386.
1861         * testsuite/icf_safe_so_test.cc: Ditto.
1862         * testsuite/icf_safe_test.cc: Ditto.
1863         * testsuite/icf_safe_test.sh: Ditto.
1864
1865 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1866             Ian Lance Taylor  <iant@google.com>
1867
1868         * target-reloc.h (relocate_section): Check the symbol table index
1869         for -1U before setting the local symbol index.
1870         (scan_relocatable_relocs): If copying the relocation, record that
1871         the local symbol is required.
1872         * object.h (Symbol_value::is_output_symtab_index_set): New
1873         function.
1874         (Symbol_value::may_be_discarded_from_output_symtab): New
1875         function.
1876         (Symbol_value::has_output_symtab_entry): New function.
1877         (Symbol_value::needs_output_symtab_entry): Remove.
1878         (Symbol_value::output_symtab_index): Make sure the symbol index is
1879         set.
1880         (Symbol_value::set_output_symtab_index): Make sure the symbol
1881         index is not set.  Make sure the new index is valid.
1882         (Symbol_value::set_must_have_output_symtab_entry): New function.
1883         (Symbol_value::has_output_dynsym_entry): New function.
1884         (Symbol_value::set_output_dynsym_index): Make sure the new index
1885         is valid.
1886         (Sized_relobj::set_must_have_output_symtab_entry): New function.
1887         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
1888         local symbol if permitted.
1889         (Sized_relobj::do_finalize_local_symbols): Call
1890         is_output_symtab_index_set rather than needs_output_symtab_entry.
1891         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
1892         rather than needs_output_symtab_entry.  Call
1893         has_output_dynsym_entry rather than needs_output_dynsym_entry.
1894         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
1895         is_output_symtab_index_set rather than needs_output_symtab_entry.
1896         * testsuite/discard_locals_relocatable_test.c: New file.
1897         * testsuite/discard_locals_test.sh: Test -r.
1898         * testsuite/Makefile.am (check_DATA): Add
1899         discard_locals_relocatable_test1.syms,
1900         discard_local_relocatable_test2.syms.
1901         (MOSTLYCLEANFILES): Likewise.  Also add
1902         discard_locals_relocatable_test1.lout and
1903         discard_locals_relocatable_test2.out.
1904         (discard_locals_relocatable_test1.syms): New target.
1905         (discard_locals_relocatable_test.o): New target.
1906         (discard_locals_relocatable_test1.out): New target.
1907         (discard_locals_relocatable_test2.syms): New target.
1908         (discard_locals_relocatable_test2.out): New target.
1909         (various): Add missing ../ld-new dependencies.
1910         * testsuite/Makefile.in: Rebuild.
1911
1912 2010-03-03  Nick Clifton  <nickc@redhat.com>
1913
1914         * po/fi.po: New Finnish translation.
1915
1916 2010-03-01  Doug Kwan  <dougkwan@google.com>
1917
1918         * layout.cc (Layout::Layout): Force section types of .init_array*,
1919         .preinit_array* and .fini_array* sections.
1920         * output.cc (Output_section::Input_section_sort_entry::has_priority):
1921         Fix check of return value of std::string::find.().
1922         (Output_section::Input_section_sort_compare::operator()): Remove
1923         comment about .init_array.
1924         (Output_section::Input_section_sort_init_fini_compare::operator()):
1925         New method.
1926         (Output_section::sort_attached_input_sections): Handle .init_array
1927         and .fini_array specially.
1928         * output.h (Output_section::Inut_section_sort_compare): Update
1929         comment.
1930         (Output_section::Input_section_sort_init_fini_compare): New struct.
1931
1932 2010-02-26  Doug Kwan  <dougkwan@google.com>
1933
1934         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
1935         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
1936         * testsuite/debug_msg.sh: Avoid matching source line number for
1937         use of global variable undef_int.
1938
1939 2010-02-26  Doug Kwan  <dougkwan@google.com>
1940
1941         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
1942         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
1943         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
1944         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
1945         * options.cc (General_options::General_options): Initialize member
1946         fix_v4bx_.
1947         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
1948         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
1949         and rm_no_fix_v4bx.stdout
1950         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
1951         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
1952         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
1953         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
1954         and arm_no_fix_v4bx.
1955         * Makefile.in: Regenerate.
1956         * testsuite/arm_fix_v4bx.s: New file.
1957         * testsuite/arm_fix_v4bx.sh: Ditto.
1958
1959 2010-02-24  Doug Kwan  <dougkwan@google.com>
1960
1961         * arm.cc (Target_arm::got_section): Make the .got section the first
1962         non RELRO section in the data segment.
1963         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
1964         suffixes of section names.
1965
1966 2010-02-24  Doug Kwan  <dougkwan@google.com>
1967
1968         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
1969         flags and attributes merging if an input file is a binary file.
1970         * fileread.cc (Input_file::open): Record format of original file.
1971         * fileread.h (Input_file::Format): New enum type.
1972         (Input_file::Input_file): Initialize data member format_.
1973         (Input_file::format): New method definition.
1974         (Input_file::format_):: New data member.
1975
1976 2010-02-24  Doug Kwan  <dougkwan@google.com>
1977
1978         * arm.cc (Arm_output_data_got): New class.
1979         (ARM_TCB_SIZE): New constant
1980         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
1981         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
1982         If user uses a script with a SECTIONS clause, issue only a warning
1983         for a misplaced EXIDX input section.  Otherwise, issue an error.
1984         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
1985         garbage collection.
1986         (Target_arm::got_mode_index_entry): Handle static linking.
1987         (Target_arm::Scan::local): Ditto.
1988         (Target_arm::Scan::global): Ditto.
1989         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
1990         all incorrectly implemented relocations.
1991         (Target_arm::fix_exidx_coverage): Pass layout to
1992         Arm_output_section::fix_exidx_coverage.
1993         * layout.cc (Layout::section_name_mapping): Remove trailing dots
1994         from ".ARM.exidx." and ".ARM.extab.".
1995
1996 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1997
1998         * arm.cc (Target_arm::do_finalize_sections): Create attribute
1999         section if it does not already exist.
2000         * attributes.cc (Attributes_section_data::Attributes_section_data):
2001         Don't crash if size is zero.
2002
2003 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2004             Ian Lance Taylor  <iant@google.com>
2005
2006         * gold.cc (queue_middle_tasks): If no input files were opened,
2007         exit.
2008         * workqueue.h (Task_function::Task_function): Assert that there is
2009         a blocker.
2010
2011 2010-02-22  Doug Kwan  <dougkwan@google.com>
2012
2013         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2014         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2015         types to avoid warnings due to different uint64_t implementations
2016         on different hosts.
2017
2018 2010-02-21  Doug Kwan  <dougkwan@google.com>
2019
2020         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2021         handling of the maximum backward branch offset.
2022         (Arm_relocate_functions::thumb_branch_common): Ditto.
2023         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2024         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2025         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2026         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2027         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2028         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2029         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2030         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2031         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2032         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2033         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2034         thumb2_bl_out_of_range.o): New rules.
2035         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2036         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2037         thumb2_bl_out_of_range
2038         * testsuite/Makefile.in: Regenerate.
2039         * testsuite/arm_bl_in_range.s: New file.
2040         * testsuite/arm_bl_out_of_range.s: Ditto.
2041         * testsuite/arm_branch_in_range.sh: Ditto.
2042         * testsuite/arm_branch_range.t: Ditto.
2043         * testsuite/thumb2_branch_range.t: Ditto.
2044         * testsuite/thumb_bl_in_range.s: Ditto.
2045         * testsuite/thumb_bl_out_of_range.s: Ditto.
2046         * testsuite/thumb_branch_range.t: Ditto.
2047
2048 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2049
2050         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2051         Add reloc offset information.
2052         * icf.cc (get_section_contents): Change iterators to point to the new
2053         vectors. Add reloc offset information to the contents.
2054         * icf.h (Icf::Sections_reachable_info): New typedef.
2055         (Icf::Sections_reachable_list): New typedef.
2056         (Icf::Offset_info): New typedef.
2057         (Icf::Reloc_info): New struct typedef.
2058         (Icf::Reloc_info_list): New typedef.
2059         (Icf::symbol_reloc_list): Delete method.
2060         (Icf::addend_reloc_list): Delete method.
2061         (Icf::section_reloc_list): Delete method.
2062         (Icf::reloc_info_list): New method.
2063         (Icf::reloc_info_list_): New member.
2064
2065 2010-02-19  Doug Kwan  <dougkwan@google.com>
2066
2067         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2068         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2069         * arm.cc (Arm_relocation_functions): New forward declaration.
2070         (Target_arm::Target_arm): Initialize new data members
2071         got_mod_index_offset_ and tls_base_symbol_defined_.
2072         (Target_arm::Relocate::relocate_tls): New method.
2073         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2074          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2075         New methods.
2076         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2077         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2078         (Target_arm::got_mod_index_offset_,
2079         Target_arm::tls_base_symbol_defined_): New data members.
2080         (Target_arm::Scan::local, Target::Scan::global,
2081         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2082         relocations.
2083
2084 2010-02-18  Doug Kwan  <dougkwan@google.com>
2085
2086         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2087         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2088         text section as a parameter becuase some broken tools may not set
2089         the link in section header.
2090         (Target_arm::has_got_section): New method.
2091         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2092         without any mapping symbol as data only.  Remove warning.
2093         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2094         link in its section header, try to discover the link by inspecting the
2095         REL31 relocation at the beginning of the section.
2096         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2097         in error message.
2098         (Target_arm::Scan::global): Treat any reference to the symbol
2099         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2100
2101 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2102
2103         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2104         (Scan::global_reloc_may_be_function_pointer): New function.
2105         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2106         (Scan::global_reloc_may_be_function_pointer): New function.
2107         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2108         (Scan::global_reloc_may_be_function_pointer): New function.
2109         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2110         (Scan::global_reloc_may_be_function_pointer): New function.
2111         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2112         (Scan::global_reloc_may_be_function_pointer): New function.
2113         (Scan::possible_function_pointer_reloc): New function.
2114         (Target_x86_64::can_check_for_function_pointers): New function.
2115         * gc.h (gc_process_relocs): Scan relocation types to determine if
2116         function pointers were taken for targets that support it.
2117         * icf.cc (Icf::find_identical_sections): Include functions for
2118         folding in safe ICF whose pointer is not taken.
2119         * icf.h (Secn_fptr_taken_set): New typedef.
2120         (fptr_section_id_): New member.
2121         (section_has_function_pointers): New function.
2122         (set_section_has_function_pointers): New function.
2123         (check_section_for_function_pointers): New function.
2124         * options.h: Fix comment for safe ICF option.
2125         * target.h (can_check_for_function_pointers): New function.
2126         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2127         Modify icf_safe_test for X86-64.
2128         * testsuite/Makefile.in: Regenerate.
2129         * testsuite/icf_safe_so_test.cc: New file.
2130         * testsuite/icf_safe_so_test.sh: New file.
2131         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2132         (main): Change to take pointer to function kept_func_3.
2133         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2134         folding is done correctly for X86-64.
2135
2136 2010-02-12  David S. Miller  <davem@davemloft.net>
2137
2138         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2139         is_symbolless parameter.
2140         (Output_reloc<SHT_REL>::is_symbolless): New.
2141         (Output_reloc<SHT_REL>::is_symbolless_): New.
2142         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2143         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2144         (Output_reloc<SHT_RELA>::is_symbolless): New.
2145         (Output_data_reloc::add_global): Handle is_symbolless.
2146         (Output_data_reloc::add_global_relative): Likewise.
2147         (Output_data_reloc::add_local): Likewise.
2148         (Output_data_reloc::add_local_relative): Likewise.
2149         (Output_data_reloc::add_symbolless_global_addend): New.
2150         (Output_data_reloc::add_symbolless_local_addend): New.
2151         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2152         is_symbolless.
2153         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2154         instead of ->is_relative_
2155         (Output_reloc::write): Likewise.
2156         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2157         (Output_reloc::write_rel): Simplify.
2158
2159         * sparc.cc (Target_sparc::Scan::local): Use
2160         ->add_symbolless_local_addend as needed.
2161         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2162         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2163         based upon relocation offset.
2164
2165 2010-02-11  Doug Kwan  <dougkwan@google.com>
2166
2167         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2168         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2169         beginning of function.
2170         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2171         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2172         parameter is_32bit in calls to should_apply_static_reloc.
2173         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2174         (check_DATA): Add arm_abs_global.stdout.
2175         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2176         arm_abs_global.stdout): New rules.
2177         (MOSTLLYCLEANFILES): Add arm_abs_global
2178         * Makefile.in: Regenerate.
2179         * testsuite/arm_abs_global.s: New file.
2180         * testsuite/arm_abs_global.sh: Ditto.
2181         * testsuite/arm_abs_lib.s: Ditto.
2182
2183 2010-02-11  Ian Lance Taylor  <iant@google.com>
2184
2185         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2186         Read_relocs task.
2187         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2188         Allocate_commons_task first.
2189         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2190         task, rather than symtab_lock_.
2191         (Gc_process_relocs::~Gc_process_relocs): New function.
2192         (Gc_process_relocs::is_runnable): Check this_blocker_.
2193         (Gc_process_relocs::locks): Use next_blocker_ rather than
2194         blocker_.
2195         (Scan_relocs::~Scan_relocs): New function.
2196         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2197         symtab_lock_.
2198         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2199         next_blocker_.
2200         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2201         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2202         constructor accordingly.
2203         (class Gc_process_relocs): Likewise.
2204         (class Scan_relocs): Likewise.
2205         * common.h (class Allocate_commons_task): Remove symtab_lock_
2206         field, and corresponding constructor parameter.
2207         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2208         symtab_lock_.
2209         (Allocate_commons_task::locks): Likewise.
2210
2211 2010-02-11  Ian Lance Taylor  <iant@google.com>
2212
2213         * gold-threads.h (class Once): Define.
2214         (class Initialize_lock): Rewrite as child of Once.
2215         * gold-threads.cc (class Once_initialize): Define.
2216         (once_pointer_control): New static variable.
2217         (once_pointer, once_arg): New static variables.
2218         (c_run_once): New static function.
2219         (Once::Once, Once::run_once, Once::internal_run): New functions.
2220         (class Initialize_lock_once): Remove.
2221         (initialize_lock_control): Remove.
2222         (initialize_lock_pointer): Remove.
2223         (initialize_lock_once): Remove.
2224         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2225         (Initialize_lock::initialize): Rewrite.
2226         (Initialize_lock::do_run_once): New function.
2227         * archive.cc (Archive::interpret_header): Only clear name if it is
2228         not already empty.
2229         * fileread.cc: Include "gold-threads.h"
2230         (file_counts_lock): New static variable.
2231         (file_counts_initialize_lock): Likewise.
2232         (File_read::release): Only increment counts when using --stats.
2233         Use a lock around the increment.
2234         * parameters.cc (class Set_parameters_target_once): Define.
2235         (set_parameters_target_once): New static variable.
2236         (Parameters::Parameters): Move here from parameters.h.
2237         (Parameters::set_target): Rewrite.
2238         (Parameters::set_target_once): New function.
2239         (Parameters::clear_target): Move here and rewrite.
2240         * parameters.h (class Parameters): Update declarations.  Add
2241         set_parameters_target_once_ field.
2242         (Parameters::Parameters): Move to parameters.cc.
2243         (Parameters::clear_target): Likewise.
2244         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2245         task.
2246         (Start_group::~Start_group): New function.
2247         (Start_group::is_runnable): New function.
2248         (Start_group::locks, Start_group::run): New functions.
2249         (Finish_group::run): Change saw_undefined to size_t.
2250         * readsyms.h (class Start_group): Define.
2251         (class Finish_group): Change saw_undefined_ field to size_t.
2252         (Finish_group::Finish_group): Remove saw_undefined and
2253         this_blocker parameters.  Change all callers.
2254         (Finish_group::set_saw_undefined): New function.
2255         (Finish_group::set_blocker): New function.
2256         * symtab.h (class Symbol_table): Change saw_undefined to return
2257         size_t.  Change saw_undefined_ field to size_t.
2258         * target-select.cc (Set_target_once::do_run_once): New function.
2259         (Target_selector::Target_selector): Initialize set_target_once_
2260         field.  Don't initialize lock_ and initialize_lock_ fields.
2261         (Target_selector::instantiate_target): Rewrite.
2262         (Target_selector::set_target): New function.
2263         * target-select.h (class Set_target_once): Define.
2264         (class Target_selector): Update declarations.  Make
2265         Set_target_once a friend.  Remove lock_ and initialize_lock_
2266         fields.  Add set_target_once_ field.
2267
2268 2010-02-10  Ian Lance Taylor  <iant@google.com>
2269
2270         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2271         queueing any tasks.
2272         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2273         (queue_middle_tasks): Add all blockers before queueing any tasks.
2274         (queue_final_tasks): Likewise.
2275         * token.h (Task_token::add_blockers): New function.
2276         * object.h (Input_objects::number_of_relobjs): New function.
2277
2278 2010-02-10  Ian Lance Taylor  <iant@google.com>
2279
2280         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2281         shared, not if not position independent.
2282         * x86_64.cc (Relocate::relocate_tls): Likewise.
2283         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2284         (tls_pie_pic_test): New target.
2285         * testsuite/Makefile.in: Rebuild.
2286
2287         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2288         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2289         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2290         * testsuite/Makefile.in: Rebuild.
2291
2292 2010-02-09  David S. Miller  <davem@davemloft.net>
2293
2294         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2295         R_SPARC_RELATIVE using ->add_local_relative().
2296         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2297
2298         * output.h (Output_data_dynamic::add_section_size): New method
2299         that takes two Output_data objects.
2300         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2301         entry param.  Handle it in initializers.
2302         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2303         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2304         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2305         arg.
2306         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2307         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2308         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2309         for dynrel_includes_plt.
2310         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2311         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2312         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2313         before .rela.plt
2314         (Target_sparc::do_finalize_sections): Update to pass true for
2315         dynrel_includes_plt.
2316         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2317         output before .rela.plt
2318         (Target_powerpc::do_finalize_sections): Update to pass true for
2319         dynrel_includes_plt when 32-bit.
2320
2321 2010-02-08  Doug Kwan  <dougkwan@google.com>
2322
2323         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2324         method.
2325         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2326         Arm_relobj::scan_section_for_cortex_a8_stubs,
2327         Arm_relobj::do_relocation_section): Instead of calling
2328         Output_section::output_address, use faster
2329         Arm_relobj::simple_input_section_output_address.
2330
2331 2010-02-08  David S. Miller  <davem@davemloft.net>
2332
2333         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2334         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2335         relocation helper function.
2336
2337         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2338         just like R_SPARC_GOT{10,13,22}.
2339         (Target_sparc::Scan::local): Likewise.
2340         (Target_sparc::Relocate:relocate): Likewise.
2341
2342 2010-02-06  Ian Lance Taylor  <iant@google.com>
2343
2344         * configure.ac: Rewrite targetobjs duplicate removal code to use
2345         only shell constructs.
2346         * configure: Rebuild.
2347
2348 2010-02-05  Doug Kwan  <dougkwan@google.com>
2349
2350         PR 11247
2351         * arm.cc (Arm_relobj::section_is_scannable): New method.
2352         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2353         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2354
2355 2010-02-04  Doug Kwan  <dougkwan@google.com>
2356
2357         PR 11247
2358         * arm-reloc-property.cc (cstdio): Include.
2359         * configure.ac (targetobjs): Remove duplicates.
2360         * configure: Regenerate.
2361         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2362         big and little endian version for a given address size.
2363
2364 2010-02-03  Doug Kwan  <dougkwan@google.com>
2365
2366         * arm-reloc-property.cc
2367         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2368         definition.
2369         * arm-reloc-property.h
2370         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2371         New method definition.
2372         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2373         declaration.
2374         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2375         overflow to N.
2376         (GOT_PREL): Change implemented to Y.
2377         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2378         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2379         (Arm_relocate_functions::movw_abs_nc): Remove method.
2380         (Arm_relocate_functions::movt_abs): Ditto.
2381         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2382         (Arm_relocate_functions::thm_movt_abs): Ditto.
2383         (Arm_relocate_functions::movw_rel_nc): Ditto.
2384         (Arm_relocate_functions::movw_rel): Ditto.
2385         (Arm_relocate_functions::movt_rel): Ditto.
2386         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2387         (Arm_relocate_functions:thm_movw_rel): Ditto.
2388         (Arm_relocate_functions:thm_movt_rel): Ditto.
2389         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2390         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2391         New method definitions.
2392         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2393         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2394         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2395         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2396         (Target_arm::Relocate::relocate): Check for non-static or
2397         unimplemented relocation code and exit early.  Change calls to
2398         Target_arm::reloc_uses_thumb_bit and
2399         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2400         instead.  Refactor code to handle similar relocations to increase
2401         code sharing.  Remove check for unsupported relocation code in switch
2402         statement.
2403         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2404         relocation property table to find out size.  Change error message to
2405         print out the name of a relocation code instead of the numeric value.
2406         (Target_arm::scan_reloc_for_stub): Use relocation property table
2407         instead of calling Target_arm::reloc_uses_thumb_bit().
2408
2409 2010-02-02  Doug Kwan  <dougkwan@google.com>
2410
2411         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2412         types of relaxed input section.
2413
2414 2010-02-02  Doug Kwan  <dougkwan@google.com>
2415
2416         * Makefile.am (HFILES): Add arm-reloc-property.h.
2417         (DEFFILES): New.
2418         (TARGETSOURCES): Add arm-reloc-property.cc
2419         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2420         (libgold_a_SOURCES): $(DEFFILES)
2421         * Makefile.in: Regenerate.
2422         * arm-reloc-property.cc: New file.
2423         * arm-reloc-property.h: New file.
2424         * arm-reloc.def: New file.
2425         * arm.cc: Update comments.
2426         (arm-reloc-property.h): New included header.
2427         (arm_reloc_property_table): New global variable.
2428         (Target_arm::do_select_as_default_target): New method definition.
2429         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2430         arm-reloc-property to targ_extra_obj.
2431         * parameters.cc (set_parameters_target): Call
2432         Target::select_as_default_target().
2433         * target.h (Target::select_as_default_target): New method definition.
2434         (Target::do_select_as_default_target): Same.
2435
2436 2010-02-01  Doug Kwan  <dougkwan@google.com>
2437
2438         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2439         first_output_text_section_.
2440         (Arm_exidx_fixup::first_output_text_section): New method definition.
2441         (Arm_exidx_fixup::first_output_text_section_): New data member.
2442         (Arm_exidx_fixup::process_exidx_section): Record the first text
2443         output section seen.
2444         (Arm_output_section::fix_exidx_coverage): Set correct linked section
2445         and entsize in output section header.
2446
2447 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2448
2449         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2450         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2451         (Arm_relocate_functions::thm_alu11): New Method.
2452         (Arm_relocate_functions::thm_pc8): New Method.
2453         (Arm_relocate_functions::thm_pc12): New Method.
2454         (Target_arm::Scan::local): Handle the relocations.
2455         (Target_arm::Scan::global): Likewise.
2456         (Target_arm::Relocate::relocate): Likewise.
2457         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2458
2459 2010-01-29  Doug Kwan  <dougkwan@google.com>
2460
2461         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2462         of relocation types as ld.
2463
2464 2010-01-29  Doug Kwan  <dougkwan@google.com>
2465
2466         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
2467         to public.
2468         (Arm_relocate_functions::thumb_branch_common): Ditto.
2469         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
2470         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
2471         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
2472         Arm_relocate_functions::jump24): Remove.
2473         (Target_arm::Relocate::relocate): Adjust code to call
2474         Arm_relocation_functions::arm_branch_common and
2475         Arm_relocation_functions::thumb_branch_common instead of their removed
2476         wrappers.  Merge switch-cases together to reduce source code size.
2477
2478 2010-01-29  Doug Kwan  <dougkwan@google.com>
2479
2480         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
2481         output_local_symbol_count_needs_update_.
2482         (Arm_relobj::output_local_symbol_count_needs_update,
2483          Arm_relobj::set_output_local_symbol_count_needs_update,
2484          Arm_relobj::update_output_local_symbol_count): New methods.
2485         (Arm_relobj::output_local_symbol_count_needs_update_): New data
2486         member.
2487         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
2488         of pointed function as in a R_ARM_PREL31 relocation.
2489         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
2490         for output local symbol count updating.
2491         (Target_arm::do_relax): Update output local symbol counts in objects
2492         if necessary.
2493         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
2494
2495 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2496
2497         * arm.cc: Added support for the ARM relocations:
2498         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
2499         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
2500         (Arm_relocate_functions::movw_rel_nc): Renamed (was
2501         movw_prel_nc).
2502         (Arm_relocate_functions::movw_rel): New method.
2503         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
2504         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
2505         thm_movw_prel_nc).
2506         (Arm_relocate_functions::thm_movw_rel): New method.
2507         (Arm_relocate_functions::thm_movt_rel): Renamed (was
2508         thm_movt_prel).
2509         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
2510         relocations.
2511         (Target_arm::Scan::global): Likewise.
2512         (Target_arm::Relocate::relocate): Likewise.
2513         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2514         Likewise.
2515
2516 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2517
2518         * arm.cc: Added support for ARM group relocations.
2519         (Target_arm::reloc_needs_sym_origin): New method.
2520         (Arm_relocate_functions::calc_grp_kn): New method.
2521         (Arm_relocate_functions::calc_grp_residual): New method.
2522         (Arm_relocate_functions::calc_grp_gn): New method.
2523         (Arm_relocate_functions::arm_grp_alu): New Method.
2524         (Arm_relocate_functions::arm_grp_ldr): New Method.
2525         (Arm_relocate_functions::arm_grp_ldrs): New Method.
2526         (Arm_relocate_functions::arm_grp_ldc): New Method.
2527         (Target_arm::Scan::local): Handle the ARM group relocations.
2528         (Target_arm::Scan::global): Likewise.
2529         (Target_arm::Relocate::relocate): Likewise.
2530         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2531         Likewise.
2532
2533 2010-01-26  Doug Kwan  <dougkwan@google.com>
2534
2535         * arm.cc (set): Include.
2536         (class Arm_exidx_fixup): Change type of last_input_section_ to const
2537         pointer type.
2538         (Arm_output_section::Text_section_list): New type.
2539         (Arm_output_section::append_text_sections_to_list): New method.
2540         (Arm_output_section::fix_exidx_coverage): Ditto.
2541         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
2542         (Arm_relobj::convert_input_section_to_relaxed_section): Use
2543         Relobj::set_section_offset() instead of
2544         Sized_relobj::invalidate_section_offset().
2545         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
2546         parameter for section headers. Ignore relocation sections for
2547         unallocated sections and EXIDX sections.
2548         (Target_arm::fix_exidx_coverage): New method.
2549         (Target_arm::output_section_address_less_than): New type.
2550         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
2551         linked text section instead of the EXIDX section.
2552         (Arm_output_section::create_stub_group): Add an assertion to check
2553         that this is not an EXIDX output section.
2554         (Arm_output_section::append_text_sections_to_list): New method.
2555         (Arm_output_section::fix_exidx_coverage): Ditto.
2556         (Arm_relobj::scan_sections_for_stubs): Adjust call to
2557         Arm_relobj::section_needs_reloc_stub_scanning.
2558         (Target_arm::do_relax): Fix EXIDX output section coverage in the
2559         first pass.
2560         (Target_arm::fix_exidx_coverage): New method.
2561         * object.h (Relobj::set_output_section): New method.
2562         (Sized_relobj::invalidate_section_offset): Remove method.
2563         (Sized_relobj::do_invalidate_section_offset): Remove method.
2564         (Sized_relobj::do_set_section_offset): Handle offset value -1.
2565
2566 2010-01-25  Doug Kwan  <dougkwan@google.com>
2567
2568         * arm.cc (Arm_exidx_merged_section::do_output_offset):
2569         Fix warning due to signed and unsigned comparison on a 32-bit host.
2570
2571 2010-01-22  Doug Kwan  <dougkwan@google.com>
2572
2573         * arm.cc (Target_arm::do_relax): Record an output section for section
2574         offset adjustment it contains any stub table that has changed.
2575         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
2576         offsets in an output section if necessary.
2577         * output.cc (Output_section::Output_section): Initialize
2578         section_offsets_need_adjustments_.
2579         (Output_section::add_input_section_for_script): Renamed to
2580         Output_section::add_simple_input_section.
2581         (Output_section::save_states): Add a comment.
2582         (Output_section::discard_states): New method defintion.
2583         (Output_section::adjust_section_offsets): Same.
2584         * output.h (Output_section::add_input_section_for_script): Renamed to
2585         Output_section::add_simple_input_section.
2586         (Output_section::discard_states): New method declaration.
2587         (Output_section::adjust_section_offsets): Same.
2588         (Output_section::section_offsets_need_adjustment,
2589         Output_section::set_section_offsets_need_adjustment): New method
2590         definitions.
2591         (Output_section::section_offsets_need_adjustment_): New data member.
2592         * script-sections.cc
2593         (Output_section_element_input::set_section_address): Adjust code for
2594         renaming of Output_section::add_input_section_for_script.
2595         (Orphan_output_section::set_section_address): Same.
2596
2597 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2598
2599         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
2600         Fix_v4bx enum values .
2601         * gold/options.h (General_options): New option definitions.
2602         (General_options::fix_v4bx): New method.
2603         (General_options::Fix_v4bx): New enum.
2604         * gold/options.cc (General_options::parse_fix_v4bx): New method.
2605         (General_options::parse_fix_v4bx_interworking): New method.
2606
2607 2010-01-22  Doug Kwan  <dougkwan@google.com>
2608
2609         * arm.cc (Arm_exidx_fixup): New class.
2610
2611 2010-01-21  Doug Kwan  <dougkwan@google.com>
2612
2613         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
2614         classes.
2615         (Arm_exidx_section_offset_map): New type.
2616
2617 2010-01-21  Doug Kwan  <dougkwan@google.com>
2618
2619         * arm.cc (Arm_exidx_input_section): New class.
2620         (Arm_relobj::exidx_input_section_by_link,
2621         Arm_relobj::exidx_input_section_by_shndx,
2622         Arm_relobj::make_exidx_input_section): New methods.
2623         (read_arm_attributes_section): Remove.
2624         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
2625         information about them.
2626         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
2627         to here.
2628
2629 2010-01-20  Doug Kwan  <dougkwan@google.com>
2630
2631         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
2632         Input_section_specifier to Section_id.
2633         (Target_arm::new_arm_input_section: Adjust code for change of key
2634         type.
2635         (Target_arm::find_arm_input_section): Ditto.
2636         * gc.h (object.h): Include for Section_id nand Section_id_hash.
2637         (Section_id): Remove.
2638         (Garbage_collection::Section_id_hash): Remove.
2639         * icf.h (object.h): Include for Section_id nand Section_id_hash.
2640         (Section_id): Remove.
2641         (Icf::Section_id_hash): Remove.
2642         * object.h (Section_id, Const_section_id, Section_id_hash,
2643         Const_section_id_hash): New type definitions.
2644         * output.cc (Output_section::add_relaxed_input_section): Change to
2645         use Const_section_id instead of Input_section_specifier as key type.
2646         (Output_section::add_merge_input_section): Ditto.
2647         (Output_section::build_relaxation_map): Change to use Section_id
2648         instead of Input_section_specifier as key type.
2649         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2650         Ditto.
2651         (Output_section::convert_input_sections_to_relaxed_sections): Change
2652         to use Const_section_id instead of Input_section_specifier as key type.
2653         (Output_section::find_merge_section): Ditto.
2654         (Output_section::find_relaxed_input_section): Ditto.
2655         * output.h (Input_section_specifier): Remove class.
2656         (Output_section::Output_section_data_by_input_section_map): Change
2657         key type to Const_section_id.
2658         (Output_section::Output_relaxed_input_section_by_input_section_map):
2659         Ditto.
2660         (Output_section::Relaxation_map): Change key type to Section_id.
2661
2662 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2663
2664         * gold/arm.cc: Added support for R_ARM_V4BX relocation
2665         (class Arm_v4bx_stub): New class.
2666         (DEF_STUBS): Updated definition to support v4_veneer_bx.
2667         (Stub_factory::make_arm_v4bx_stub): New method.
2668         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
2669         (Stub_table::empty): Handle v4bx stubs.
2670         (Stub_table::add_arm_v4bx_stub): New method.
2671         (Stub_table::find_arm_v4bx_stub): New method.
2672         (Arm_relocate_functions::v4bx): New method.
2673         (Target_arm::fix_v4bx): New method.
2674         (Target_arm::Target_arm): Handle R_ARM_V4BX.
2675         (Stub_table::relocate_stubs): Likewise.
2676         (Stub_table::do_write): Likewise.
2677         (Stub_table::update_data_size_and_addralign): Likewise.
2678         (Stub_table::finalize_stubs):  Likewise.
2679         (Target_arm::Scan::local): Likewise.
2680         (Target_arm::Scan::global): Likewise.
2681         (Target_arm::do_finalize_sections): Likewise.
2682         (Target_arm::Relocate::relocate): Likewise.
2683         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2684         Likewise.
2685         (Target_arm::scan_reloc_for_stub): Likewise.
2686         (Target_arm::scan_reloc_section_for_stubs): Likewise.
2687
2688 2010-01-19  Ian Lance Taylor  <iant@google.com>
2689
2690         * output.cc (Output_section_headers::do_sized_write): Write large
2691         segment count to sh_info field.
2692         (Output_file_header::do_sized_write): For large segment count,
2693         write PN_XNUM to e_phnum field.
2694
2695 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2696
2697         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
2698         (Arm_relocate_functions::thm_jump8): New function.
2699         (Arm_relocate_functions::thm_jump11): New function.
2700         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
2701         R_ARM_THM_JUMP11.
2702         (Target_arm::Scan::global): Likewise.
2703         (Target_arm::Relocate::relocate): Likewise.
2704         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2705         Likewise.
2706
2707 2010-01-14  Doug Kwan  <dougkwan@google.com>
2708
2709         * arm.cc (map, utility): Include headers.
2710         (Target_arm::apply_cortex_a8_workaround): New method.
2711         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
2712         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
2713         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
2714         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
2715         the --[no-]fix-cortex-a8 command line options.
2716         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
2717         (Target_arm::relocate_stub): Use addend in instruction template.
2718         * options.h (DEFINE_bool): Set the user-set flag.
2719         (General_options): Add --[no-]-fix-cortex options.
2720         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
2721         : Update fast look-up map after conversion.
2722
2723 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
2724
2725         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
2726         in the first pass of do_layout.
2727
2728 2010-01-13  Doug Kwan  <dougkwan@google.com>
2729
2730         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2731         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
2732         apparent compiler problem of not folding static constant integral
2733         data members of elfcpp::Elf_sizes<32>.
2734
2735 2010-01-13  Doug Kwan  <dougkwan@google.com>
2736
2737         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2738         Arm_relobj::section_needs_cortex_a8_stub_scanning,
2739         Arm_relobj::scan_section_for_cortex_a8_erratum,
2740         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
2741         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
2742         sections to scan for relocation stubs into a new method
2743         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
2744         relocation and Cortex-A8 stub scanning.
2745         (Target_arm::do_relax): Force stubs to be after stubbed sections
2746         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
2747         the beginning of a new relaxation pass.  Update a comment.
2748         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
2749
2750 2010-01-12  Ian Lance Taylor  <iant@google.com>
2751
2752         * target-reloc.h (visibility_error): New inline function.
2753         (relocate_section): Call visibility_error.
2754         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
2755         (MOSTLYCLEANFILES): Likewise.
2756         (protected_4_pic.o, protected_3.err): New targets.
2757         * testsuite/protected_4.cc: New file.
2758
2759 2010-01-12  Doug Kwan  <dougkwan@google.com>
2760
2761         * arm.cc (Cortex_a8_reloc): New class.
2762         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
2763         and cortex_a8_relocs_info_.
2764         (Target_arm::fix_cortex_a8): New method definition.
2765         (Target_arm::Cortex_a8_relocs_info): New type.
2766         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
2767         New data member declarations.
2768         (Target_arm::scan_reloc_for_stub): Record information about
2769         relocations for THUMB branches that might be exempted from the
2770         Cortex-A8 workaround.
2771         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
2772         at the beginning of a relaxation pass.
2773
2774 2010-01-12  Doug Kwan  <dougkwan@google.com>
2775
2776         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
2777         (Arm_relobj::Mapping_symbol_position,
2778          Arm_reloj::Mapping_symbol_position_less,
2779          Arm_relobj::Mapping_symbols_info): New types.
2780         (Target_arm::is_mapping_symbol_name): New method definition.
2781         (Arm_relobj::do_count_local_symbols): Save information about mapping
2782         symbols.
2783
2784 2010-01-11  Doug Kwan  <dougkwan@google.com>
2785
2786         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
2787         Arm_relocate_functions::thumb32_branch_upper,
2788         Arm_relocate_functions::thumb32_branch_lower,
2789         Arm_relocate_functions::thumb32_cond_branch_offset,
2790         Arm_relocate_functions::thumb32_cond_branch_upper,
2791         Arm_relocate_functions::thumb32_cond_branch_lower,
2792         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
2793         branch offset encoding.
2794         (Arm_relocate_functions::thumb_branch_common): Use new branch
2795         offset encoding methods to avoid code duplication.
2796         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
2797         (Stub_addend_reader::operator()): Use new branch encoding method
2798         to avoid code duplication.
2799
2800 2010-01-11  Doug Kwan  <dougkwan@google.com>
2801
2802         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
2803         (Target_arm::do_finalize_sections): Define special EXIDX section
2804         symbols only if referenced.
2805         * gc.h (Garbage_collection::add_reference): New method.
2806         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
2807         code duplication.
2808
2809 2010-01-11  Ian Lance Taylor  <iant@google.com>
2810
2811         * script.cc (Version_script_info::build_expression_list_lookup):
2812         Change complaing about duplicate wildcard match from error to
2813         warning.
2814
2815         * script.cc (class Lazy_demangler): Recreate--revert part of patch
2816         of 2009-12-30.
2817         (Version_script_info::Version_script_info): Initialize globs_,
2818         default_version_, default_is_global_, and exact_.  Don't
2819         initialize globals_ or locals_.
2820         (Version_script_info::build_lookup_tables): Build local symbols
2821         first.
2822         (Version_script_info::unquote): New function.
2823         (Version_script_info::add_exact_match): New function.
2824         (Version_script_info::build_expression_list_lookup): Remove lookup
2825         parameter.  Add is_global parameter.  Change all callers.  Handle
2826         wildcard pattern specially.  Unquote pattern.  Call
2827         add_exact_match.
2828         (Version_script_info::get_name_to_match): New function.
2829         (Version_script_info::get_symbol_version): New function.
2830         (Version_script_info::get_symbol_version_helper): Remove.
2831         (Version_script_info::check_unmatched_names): Call unquote.
2832         * script.h (class Version_script_info): Change get_symbol_version
2833         to be non-inline and add is_global parameter; change all callers.
2834         Rewrite symbol_is_local.  Update declarations.  Define struct
2835         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
2836         Remove globals_ and locals_ members.  Add exact_, globs_,
2837         default_version_, is_global_.
2838         (Version_script_info::Glob): Remove pattern, add expression and
2839         is_global.  Update constructor.  Change all callers.
2840         * dynobj.cc (Versions::finalize): Mark the version symbol as the
2841         default version.
2842         (Versions::symbol_section_contents): If a symbol is undefined, or
2843         defined in a dynamic object, set the version index to
2844         VER_NDX_LOCAL.
2845         * symtab.cc (Symbol_table::add_from_relobj): Don't call
2846         symbol_is_local.
2847         (Symbol_table::add_from_pluginobj): Likewise.
2848         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
2849
2850 2010-01-11  Doug Kwan  <dougkwan@google.com>
2851
2852         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
2853         (incremental_dump_LDADD): Add linking option for libintl.
2854         * Makefile.in: Regenerate.
2855
2856 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
2857
2858         PR gold/11144
2859         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
2860         instead of -Ds.
2861         * testsuite/Makefile.in: Regenerated.
2862
2863 2010-01-10  Doug Kwan  <dougkwan@google.com>
2864
2865         * options.h (DEFINE_var): Use parentheses around argument varname__
2866         in macro body to avoid any unintended subsequent substitutions.
2867
2868 2010-01-10  Ian Lance Taylor  <iant@google.com>
2869
2870         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
2871         candidates before doing symbol resolution.
2872
2873         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
2874         ODR candidates if only one is weak.
2875
2876 2010-01-08  Ian Lance Taylor  <iant@google.com>
2877
2878         * script.cc (Version_script_info::build_expression_list_lookup):
2879         Don't warn about ambiguous version, just record the ambiguity.
2880         (Version_script_info::get_symbol_version_helper): Give error if
2881         version is ambiguous.
2882
2883 2010-01-08  Doug Kwan  <dougkwan@google.com>
2884
2885         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
2886           prev_data_size_ and prev_addralign_.  Remove initializer for
2887           deleted data member has_been_changed_.
2888           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
2889           to determine if the table is empty.
2890           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
2891           Remove.
2892           (Stub_table::add_reloc_stub): Define method in class definition
2893           instead of just declaring it there.
2894           (Stub_table::add_cortex_a8_stub): New method definition.
2895           (Stub_table::update_data_size_and_addralign): Ditto.
2896           (Stub_table::finalize_stubs): Ditto.
2897           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
2898           (Stub_table::do_addralign_): Return address alignment in the
2899           (Stub_table::do_reset_address_and_file_offset): Define method in
2900           class definition instead of declaring it there.  Set current data
2901           size to be the data size of the previous pass.
2902           (Stub_table::set_final_data_size): Use current data size as the
2903           final data size.
2904           (Stub_table::relocate_stub): Change parameter type of stub from
2905           Reloc_stub pointer to Stub pointer.
2906           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
2907           (Stub_table::Cortex_a8_stub_list): New typedef.
2908           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
2909            Stub_table::prev_addralign_): New data member.
2910           (Arm_relobj::Arm_relobj): Initialize data member
2911           section_has_cortex_a8_workaround_.
2912           (Arm_relobj::section_has_cortex_a8_workaround,
2913            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
2914            definitions.
2915           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
2916           declarations.
2917           (Target_arm::relocate_stub): Change parameter type of stub from
2918           Reloc_stub pointer to Stub pointer.
2919           (Insn_template::size, Insn_template::alignment): Handle
2920           THUMB16_SPECIAL_TYPE.
2921           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
2922            Stub_table::update_data_size_and_addralign,
2923            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
2924           definitions.
2925           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
2926           (Stub_table::do_write): Ditto.
2927           (Target_arm::do_relax): Adjust code for changes in Stub_table.
2928
2929 2010-01-08  Ian Lance Taylor  <iant@google.com>
2930
2931         PR 11108
2932         * symtab.h (class Symbol): Remove fields is_target_special_ and
2933         has_plt_offset_.  Add field is_defined_in_discarded_section_.
2934         (Symbol::is_defined_in_discarded_section): New function.
2935         (Symbol::set_is_defined_in_discarded_section): New function.
2936         (Symbol::has_plt_offset): Rewrite.
2937         (Symbol::set_plt_offset): Verify that new offset is not -1U.
2938         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
2939         Don't initialize is_target_special_ or has_plt_offset_.
2940         Initialize is_defined_in_discarded_section_.
2941         (Symbol_table::add_from_relobj): If appropriate, set
2942         is_defined_in_discarded_section.
2943         * resolve.cc (Symbol::override_base_with_special): Don't test
2944         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
2945         * target-reloc.h (relocate_section): Do special handling for
2946         symbols defined in discarded sections for global symbols as well
2947         as local symbols.
2948
2949 2010-01-08  Ian Lance Taylor  <iant@google.com>
2950
2951         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
2952         the SHT_SYMTAB case.
2953
2954 2010-01-08  Ian Lance Taylor  <iant@google.com>
2955
2956         * object.cc (Sized_relobj::do_layout): Don't get confused if
2957         layout_eh_frame returns NULL.
2958
2959 2010-01-08  Ian Lance Taylor  <iant@google.com>
2960
2961         PR 11084
2962         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
2963         dynamic symbol table, use the normal symbol table.
2964         (Sized_dynobj::do_read_symbols): Remove assertion about type of
2965         symbol table.
2966
2967 2010-01-08  Ian Lance Taylor  <iant@google.com>
2968
2969         PR 11072
2970         * layout.cc (Layout::include_section): Remove .gnu_debuglink
2971         sections.
2972
2973 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
2974
2975         * version.cc (print_version): Change to "Copyright 2010".
2976
2977 2010-01-08  Ian Lance Taylor  <iant@google.com>
2978
2979         PR 10287
2980         PR 11063
2981         * i386.cc (class Target_i386): Change return type of plt_section
2982         to be non-const.
2983         (class Output_data_plt_i386): Add tls_desc_rel_ field.
2984         (Output_data_plt_i386::Output_data_plt_i386): Initialize
2985         tls_desc_rel_ field.
2986         (Output_data_plt_i386::rel_tls_desc): New function.
2987         (Target_i386::rel_tls_desc_section): New function.
2988         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
2989         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
2990         R_386_TLS_DESC reloc in rel_tls_desc_section.
2991         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
2992         Define struct Tlsdesc_info.
2993         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
2994         (Target_x86_64::do_reloc_symbol_index): New function.
2995         (Target_x86_64::add_tlsdesc_info): New function.
2996         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
2997         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
2998         tlsdesc_rel_ field.
2999         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3000         all callers.
3001         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3002         (Target_x86_64::rela_tlsdesc_section): New function.
3003         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3004         handling.
3005         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3006         (Target_x86_64::do_reloc_addend): New function.
3007         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3008         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3009         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3010         (Output_reloc::type): New function.
3011         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3012         (Output_reloc::is_target_specific): New function.
3013         (Output_reloc::target_arg): New function.
3014         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3015         absolute relocs and target specific relocs.
3016         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3017         add_target_specific.
3018         (class Output_data_reloc) [SHT_RELA]: Likewise.
3019         * output.cc (Output_reloc::Output_reloc): Add four new versions
3020         for absolute relocs and target specific relocs.
3021         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3022         (Output_reloc::get_symbol_index): Likewise.
3023         (Output_reloc::local_section_offset): Check that local_sym_index_
3024         is not TARGET_CODE or 0.
3025         (Output_reloc::symbol_value): Likewise.
3026         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3027         reloc.
3028         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3029         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3030         functions.
3031         * layout.cc (add_target_dynamic_tags): Use output section for
3032         DT_PLTRELSZ and DT_JMPREL.
3033
3034 2010-01-07  Ian Lance Taylor  <iant@google.com>
3035
3036         PR 11061
3037         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3038         function.
3039         (class Output_data_reloc_generic): Define.
3040         (class Output_data_reloc_base): Change base class to
3041         Output_data_reloc_generic.  Change add() method to call
3042         bump_relative_reloc_count for a relative reloc.  Remove
3043         sort_relocs_ field.
3044         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3045         to sort_relocs().
3046         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3047         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3048         appropriate.
3049         * layout.h (class Layout): Update declaration.
3050
3051 2010-01-07  Ian Lance Taylor  <iant@google.com>
3052
3053         * output.h (class Output_data): Add const version of
3054         output_section and do_output_section.
3055         (class Output_section_data): Add const version of
3056         do_output_section.
3057         (class Output_section): Likewise.
3058         * layout.cc (Layout::add_target_dynamic_tags): New function.
3059         * layout.h (class Layout): Update declarations.
3060         * arm.cc (Target_arm::do_finalize_sections): Use
3061         add_target_dynamic_tags.
3062         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3063         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3064         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3065         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3066
3067 2010-01-07  Ian Lance Taylor  <iant@google.com>
3068
3069         PR 11042
3070         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3071         object as needed.
3072
3073 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3074             Ian Lance Taylor  <iant@google.com>
3075
3076         PR 11019
3077         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3078         Xindex::read_symtab_xindex.
3079
3080 2010-01-07  Doug Kwan  <dougkwan@google.com>
3081
3082         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3083         (Insn_template::thumb16_bcond_insn): New method declaration.
3084         (Insn_template): Fix spelling.
3085         (Stub::thumb16_special): New method declaration.
3086         (Stub::do_write): Define virtual method which was previously pure
3087         virtual.
3088         (Stub::do_thumb16_special): New method declaration.
3089         (Stub::do_fixed_endian_write): New template member.
3090         (Reloc_stub::do_write): Remove.
3091         (Reloc_stub::do_fixed_endian_write): Remove.
3092         (Cortex_a8_stub): New class definition.
3093         (Stub_factory::make_cortex_a8_stub): New method definition.
3094         (Stub_factory::Stub_factory): Add missing static storage class
3095         qualifier for elf32_arm_stub_a8_veneer_blx.
3096
3097 2010-01-07  Ian Lance Taylor  <iant@google.com>
3098
3099         PR 10980
3100         * options.h (class General_options): Add --warn-unresolved-symbols
3101         and --error-unresolved-symbols.
3102         * errors.cc (Errors::undefined_symbol): Implement
3103         --warn-unresolved-symbols.
3104
3105         * options.h (class General_options): Add -z text and -z textoff.
3106         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3107
3108 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3109
3110         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3111         (Garbage_collection::cident_sections): New function.
3112         (Garbage_collection::add_cident_section): New function.
3113         (Garbage_collection::cident_sections_): New member.
3114         (gc_process_relocs): Add references to sections whose names are C
3115         identifiers.
3116         * gold.h (cident_section_start_prefix): New constant.
3117         (cident_section_stop_prefix): New constant.
3118         (is_cident): New function.
3119         * layout.cc (Layout::define_section_symbols): Replace string constants
3120         with the newly defined constants.
3121         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3122         C identifiers.
3123         * testsuite/Makefile.am: Add gc_orphan_section_test.
3124         * testsuite/Makefile.in: Regenerate.
3125         * testsuite/gc_orphan_section_test.cc: New file.
3126         * testsuite/gc_orphan_section_test.sh: New file.
3127
3128 2010-01-06  Ian Lance Taylor  <iant@google.com>
3129
3130         PR 10980
3131         * options.h (class General_options): Add --warn-shared-textrel.
3132         * layout.cc (Layout::finish_dynamic_section): Implement
3133         --warn-shared-textrel.
3134
3135         PR 10980
3136         * options.h (class General_options): Add --warn-multiple-gp.
3137
3138 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3139
3140         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3141         $(THREADSLIB) and $(LIBDL).
3142         * Makefile.in: Rebuild.
3143
3144 2010-01-06  Ian Lance Taylor  <iant@google.com>
3145
3146         PR 10980
3147         * options.cc (General_options::parse_section_start): New function.
3148         (General_options::section_start): New function.
3149         (General_options::General_options): Initialize all members.
3150         * options.h: Include <map>
3151         (class General_options): Add --section-start.  Add section_starts_
3152         member.
3153         * layout.cc (Layout::attach_allocated_section_to_segment): If
3154         --section-start was used, set the address of the segment.  Remove
3155         local sort_sections.
3156         (Layout::relaxation_loop_body): If the address of the load segment
3157         has been set by --section-start, don't use it.
3158         * output.h (Output_segment::update_flags_for_output_section): New
3159         function.
3160         * output.cc (Output_segment::add_output_section): Call
3161         update_flags_for_output_section.
3162
3163 2010-01-05  Ian Lance Taylor  <iant@google.com>
3164
3165         PR 10980
3166         * options.h (class General_options): Add --undefined-version.
3167         * script.cc (struct Version_expression): Add was_matched_by_symbol
3168         field.
3169         (Version_script_info::matched_symbol): New function.
3170         (Version_script_info::get_symbol_version_helper): Call
3171         matched_symbol.
3172         (Version_script_info::check_unmatched_names): New function.
3173         * script.h (class Version_script_info): Update declarations.
3174         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3175
3176         * options.h (class General_options): Use DEFINE_bool_alias for
3177         allow_multiple_definition.
3178         * resolve.cc (Symbol_table::should_override): Don't test
3179         allow_multiple_definition.
3180
3181         PR 10980
3182         * options.h (class General_options): Add --cref.
3183         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3184         until after printing cref table.
3185         * cref.cc: Include "symtab.h".
3186         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3187         (Cref_table_compare::operator()): New function.
3188         (Cref_inputs::gather_cref): New function.
3189         (filecol): New static const.
3190         (Cref_inputs::print_cref): New function.
3191         (Cref::print_cref): New function.
3192         * cref.h: Include <cstdio>.
3193         (class Cref): Update declarations.
3194         * mapfile.h (Mapfile::file): New function.
3195         * object.h (class Object): Define Symbols.  Declare virtual
3196         do_get_global_symbols.
3197         (Object::get_global_symbols): New function.
3198         * object.cc (Input_objects::add_object): Pass object to cref_ if
3199         --cref.
3200         (Input_objects::archive_start): Likewise.
3201         (Input_objects::archive_stop): Likewise.
3202         (Input_objects::print_cref): New function.
3203         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3204         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3205         --cref.
3206         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3207         function.
3208         * plugin.h (class Sized_pluginobj): Update declarations.
3209
3210 2010-01-05  Ian Lance Taylor  <iant@google.com>
3211
3212         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3213         to is_default_version.  Rename insdef to insdefault.
3214         (Symbol_table::add_from_relobj): Rename def to is_default_version
3215         and local to is_forced_local.
3216         (Symbol_table::add_from_pluginobj): Likewise.
3217         (Symbol_table::add_from_dynobj): Likewise.
3218         (Symbol_table::define_special_symbol): Rename insdef to
3219         insdefault.
3220
3221 2010-01-04  Ian Lance Taylor  <iant@google.com>
3222
3223         PR 10980
3224         * options.h (class General_options): Add
3225         --allow-multiple-definition and -z muldefs.
3226         * resolve.cc (Symbol_table::should_override): Don't warn about a
3227         multiple symbol definition if --allow-multiple-definition or -z
3228         muldefs.
3229
3230         PR 10980
3231         * options.h (class General_options): Add --add-needed and
3232         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3233         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3234         error if --copy-dt-needed-entries aka --add-needed is used and
3235         would cause a change in behaviour.
3236
3237         PR 10980
3238         * options.h (class General_options): Add -G as a short version of
3239         --shared.  Add no-op options -assert, -g, and -i.
3240
3241 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3242
3243         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3244         check for .text or .gnu.linkonce.t sections.
3245         * icf.cc (Icf::find_identical_sections): Ditto.
3246         Change the detection for mangled function name within the section
3247         name.
3248         * icf.h (is_section_foldable_candidate): New function.
3249
3250 2009-12-30  Ian Lance Taylor  <iant@google.com>
3251
3252         PR 10980
3253         * options.h (class General_options): Permit two dashes with
3254         --retain-symbols-file.
3255
3256 2009-12-30  Ian Lance Taylor  <iant@google.com>
3257
3258         PR 10979
3259         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3260         don't put the file header and segment headers in the text
3261         segment.
3262
3263         PR 10979
3264         * common.cc (Sort_commons::operator()): Stabilize sort when both
3265         entries are NULL.
3266         (Symbol_table::do_allocate_commons_list): When allocating common
3267         symbols, skip a symbol which is no longer common.
3268         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3269         an object before checking its type.
3270         * testsuite/common_test_2.c: New file.
3271         * testsuite/common_test_3.c: New file.
3272         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3273         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3274         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3275         (common_test_2_pic.o, common_test_2.so): New targets.
3276         (common_test_3_pic.o, common_test_3.so): New targets.
3277         * testsuite/Makefile.in: Rebuild.
3278
3279         PR 10979
3280         * script.cc (read_input_script): If we see a new SECTIONS clause,
3281         and we have added an input section, give an error.
3282         * layout.h (class Layout): Add have_added_input_section function.
3283         Add have_added_input_section_ field.
3284         * layout.cc (Layout::Layout): Initialize
3285         have_added_input_section_.
3286         (Layout::layout): Set have_added_input_section_.
3287         (Layout::layout_eh_frame): Likewise.
3288
3289 2009-12-30  Ian Lance Taylor  <iant@google.com>
3290
3291         PR 10931
3292         * options.h (class General_options): Add --sort-common option.
3293         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3294         * common.cc (Sort_common): Add sort_order parameter to
3295         constructor.  Add sort_order_ field.
3296         (Sort_commons::operator): Check sort_order_.
3297         (Symbol_table::allocate_commons): Determine the sort order.
3298         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3299         Change all callers.
3300         (Symbol_table::do_allocate_commons_list): Likewise.
3301
3302 2009-12-30  Ian Lance Taylor  <iant@google.com>
3303
3304         PR 10916
3305         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3306         symbols from this object, don't change the visibility of an
3307         undefined symbol.
3308         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3309
3310 2009-12-30  Ian Lance Taylor  <iant@google.com>
3311
3312         PR 10861
3313         * script.h (class Version_script_info): Define Language enum.
3314         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3315         new fields globals_, locals_, and is_finalized_.
3316         * script.cc: Various formatting fixes.
3317         (class Parser_closure): Change language_stack_ from a vector of
3318         std::string to one of Version_script_info::Language.  Adjust all
3319         uses accordingly.
3320         (class Lazy_demangler): Remove.
3321         (struct Version_expression): Change language from std::string to
3322         Version_script_info::Language.
3323         (Version_script_info::Version_script_info): New function.
3324         (Version_script_info::~Version_script_info): Don't call clear.
3325         (Version_script_info::finalize): New function.
3326         (Version_script_info::build_lookup_tables): New function.
3327         (Version_script_info::build_expression_list_lookup): New
3328         function.
3329         (Version_script_info::get_symbol_version_helper): Rewrite to use
3330         lookup tables.
3331         (Version_script_info::print_expression_list): Adjust to use
3332         Version_script_info::Language.
3333         (script_push_lex_into_version_mode): Check that the version script
3334         has not been finalized.
3335         (version_script_push_lang): Change language string to
3336         Version_script_info::Language.
3337         * options.cc (Command_line::version_script): New function.
3338         * options.h (class General_options): Add finalize_dynamic_list
3339         function.  Change version_script from declaration to definition.
3340         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3341         * testsuite/version_script.map: Remove duplicate def of foo.
3342         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3343         version_script.map.
3344         * testsuite/Makefile.in: Rebuild.
3345
3346 2009-12-30  Ian Lance Taylor  <iant@google.com>
3347
3348         PR 10843
3349         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3350         if the input symbol index is 0, make the output symbol index 0.
3351
3352 2009-12-30  Ian Lance Taylor  <iant@google.com>
3353
3354         PR 10670
3355         * options.h (class General_options): Add -x/--discard-all.
3356         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3357         --discard-all.  If the local symbol needs a dynamic entry, check
3358         that before handling --discard-locals.
3359
3360 2009-12-30  Ian Lance Taylor  <iant@google.com>
3361
3362         PR 10450
3363         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3364         flags to PF_R.
3365         (Output_segment::add_output_section): Don't change the flags if
3366         the type is PT_TLS.
3367
3368         PR 10450
3369         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3370         GNU hash table if they need a dynamic value.  Otherwise, don't add
3371         them if they are defined in a dynamic object or are forced local.
3372
3373 2009-12-29  Ian Lance Taylor  <iant@google.com>
3374
3375         PR 10450
3376         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3377         .gnu.hash table for a 32-bit target.
3378
3379         PR 10450
3380         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3381         regular and a dynamic object only needs a dynamic symbol table
3382         entry if it is externally visible.
3383
3384         PR 10450
3385         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3386         constructor.  Add global_offset_table_ field.
3387         (Target_i386::got_section): Set global_offset_table_.
3388         (Target_i386::do_finalize_sections): Set global_offset_table_
3389         size.
3390         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3391         in constructor.  Add global_offset_table_ field.
3392         (Target_x86_64::got_section): Set global_offset_table_.
3393         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3394         size.
3395
3396         * layout.cc (Layout::Layout): Initialize increase_relro_.
3397         (Layout::get_output_section): Add is_relro, is_last_relro, and
3398         is_first_non_relro parameters.  Change all callers.
3399         (Layout::choose_output_section): Likewise.
3400         (Layout::add_output_section_data): Likewise.
3401         (Layout::make_output_section): Likewise.
3402         (Layout::set_segment_offsets): Clear increase_relro when using a
3403         linker script.
3404         * layout.h (class Layout): Add increase_relro method.  Add
3405         increase_relro_ field.  Update declarations.
3406         * output.cc (Output_section::Output_section): Initialize
3407         is_last_relro_ and is_first_non_relro_.
3408         (Output_segment::add_output_section): Group relro sections is
3409         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3410         (Output_segment::maximum_alignment): Remove relro handling.
3411         (Output_segment::set_section_addresses): Add increase_relro
3412         parameter.  Change all callers.  Add initial alignment to align
3413         relro sections on separate page.  Remove old relro handling.
3414         (Output_segment::set_section_list_addresses): Remove in_relro
3415         parameter.  Change all callers.
3416         (Output_segment::set_offset): Add increase parameter.  Change all
3417         callers.  Remove old relro handling.
3418         * output.h (class Output_section): Add new methods: is_last_relro,
3419         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3420         Add is_last_relro_ and is_first_non_relro_ fields.
3421         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3422         Create separate .got.plt section.  Call increase_relro.
3423         * x86_64.cc (Target_x86_64::got_section): Likewise.
3424         * testsuite/relro_script_test.t: Add .got.plt.
3425
3426         PR 10450
3427         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3428         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3429         (Layout::finalize): Call set_dynamic_symbol_size.
3430         (Layout::set_dynamic_symbol_size): New function.
3431         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
3432         set_dynamic_symbol_size.
3433
3434         PR 10450
3435         * output.h (class Output_section): Add is_entsize_zero_ field.
3436         * output.cc (Output_section::Output_section): Initialize
3437         is_entsize_zero_.
3438         (Output_section::set_entsize): If two different entsizes are
3439         requested, force it to zero.
3440         (Output_section::add_input_section): Set flags for .debug_str
3441         before updating section flags.  Set entsize.
3442         (Output_section::update_flags_for_input_section): Set SHF_MERGE
3443         and SHF_STRING if all input sections have those flags.
3444
3445 2009-12-29   Rafael Espindola  <espindola@google.com>
3446
3447         * main.cc (main): Fix the sys time reporting.
3448         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3449         reporting.
3450
3451 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
3452
3453         * options.cc (General_options::parse_version): Allow -v to exit
3454         without an error if there is nothing to link.
3455
3456 2009-12-29  Ian Lance Taylor  <iant@google.com>
3457
3458         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3459         using a version of gcc before 4.1.
3460         * configure: Rebuild.
3461
3462 2009-12-28  Chris Demetriou  <cgd@google.com>
3463
3464         * attributes.cc (Output_attributes_section_data::do_write): Use
3465         std::vector::front rather than std::vector::data.
3466
3467 2009-12-28  Ian Lance Taylor  <iant@google.com>
3468
3469         * symtab.h (class Symbol_table): Add enum Defined.
3470         * resolve.cc (Symbol_table::should_override): Add defined
3471         parameter.  Change all callers.  Test whether object is NULL
3472         before calling a method on it.
3473         (Symbol_table::report_resolve_problem): Add defined parameter.
3474         Change all callers.
3475         (Symbol_table::should_override_with_special): Likewise.
3476         * symtab.cc (Symbol_table::define_in_output_data): Add defined
3477         parameter.  Change all callers.
3478         (Symbol_table::do_define_in_output_data): Likewise.
3479         (Symbol_table::define_in_output_segment): Likewise.
3480         (Symbol_table::do_define_in_output_segment): Likewise.
3481         (Symbol_table::define_as_constant): Likewise.
3482         (Symbol_table::do_define_as_constant): Likewise.
3483         * script.h (class Symbol_assignment): Add is_defsym parameter to
3484         constructor; change all callers.
3485         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
3486         parameter.  Change all callers.  Add is_defsym_ field.
3487         (class Parser_closure): Add parsing_defsym parameter to
3488         constructor; change all callers.  Add parsing_defsym accessor
3489         function.  Add parsing_defsym_ field.
3490
3491 2009-12-28  Ian Lance Taylor  <iant@google.com>
3492
3493         * gold.cc (queue_middle_tasks): Fix formatting.
3494         * object.cc (Relobj::is_section_name_included): Likewise.
3495
3496 2009-12-23  Ian Lance Taylor  <iant@google.com>
3497
3498         * i386.cc (Target_i386::do_calls_non_split): Recognize
3499         -fsplit-stack prologue for a function with a static chain.
3500         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
3501         -fsplit-stack prologue when using %r11.
3502
3503 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
3504
3505         * options.cc (General_options::parse_version): Make -v continue and do
3506         the link like GNU ld does.
3507
3508 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
3509
3510         * Makefile.am (CCFILES): Add timer.cc.
3511         (HFILES): Add timer.h.
3512         * configure.ac: Check for sysconf and times.
3513         * main.cc: include timer.h.
3514         (main): Use Timer instead of get_run_time.
3515         * timer.cc: New.
3516         * timer.h: New.
3517         * workqueue.cc: include timer.h.
3518         (Workqueue::find_and_run_task):
3519         Report user, sys and wall time.
3520         * Makefile.in: Regenerate.
3521         * config.in: Regenerate.
3522         * configure: Regenerate.
3523
3524 2009-12-16  Doug Kwan  <dougkwan@google.com>
3525
3526         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
3527         sections.
3528         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
3529         relaxed input sections.
3530         * output.cc (Output_section::find_relaxed_input_section): Change
3531         return type to Output_relaxed_input_section pointer.  Adjust code
3532         for new type of relaxed_input_section_map_.
3533         * output.h (Output_section::find_relaxed_input_section): Change
3534         return type to Output_relaxed_input_section pointer.
3535         (Output_section::Output_relaxed_input_section_by_input_section_map):
3536         New type.
3537         (Output_section::relaxed_input_section_map_): Change type to
3538         Output_section::Output_relaxed_input_section_by_input_section_map.
3539         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
3540         input section.
3541
3542 2009-12-15  Ian Lance Taylor  <iant@google.com>
3543
3544         * layout.cc (Layout::create_shstrtab): Only write out after input
3545         sections if we are compressing debug sections.
3546
3547 2009-12-15  Ian Lance Taylor  <iant@google.com>
3548
3549         * archive.cc (Archive::add_symbols): Only look up a symbol without
3550         a version if there is, in fact, a version.
3551
3552 2009-12-14  Ian Lance Taylor  <iant@google.com>
3553
3554         Revert -Wshadow changes, all changes from:
3555         2009-12-11  Doug Kwan  <dougkwan@google.com>
3556         2009-12-11  Nick Clifton  <nickc@redhat.com>
3557         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
3558
3559 2009-12-11  Doug Kwan  <dougkwan@google.com>
3560
3561         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
3562         due to -Wshadow.
3563         * attributes.cc (Object_attribute::size): Ditto.
3564         (Attributes_section_data::size): Ditto.
3565         (Attributes_section_data::Attributes_section_data): Ditto.
3566         (Output_attributes_section_data::do_write): Ditto.
3567         * attributes.h (Object_attribute::set_type): Ditto.
3568         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
3569
3570 2009-12-11  Nick Clifton  <nickc@redhat.com>
3571
3572         * archive.cc: Fix shadowed variable warnings.
3573         * arm.cc: Likewise.
3574         * compressed_output.cc: Likewise.
3575         * compressed_output.h: Likewise.
3576         * configure: Likewise.
3577         * dwarf_reader.cc: Likewise.
3578         * dynobj.cc: Likewise.
3579         * dynobj.h: Likewise.
3580         * ehframe.cc: Likewise.
3581         * ehframe.h: Likewise.
3582         * errors.cc: Likewise.
3583         * expression.cc: Likewise.
3584         * fileread.cc: Likewise.
3585         * fileread.h: Likewise.
3586         * freebsd.h: Likewise.
3587         * i386.cc: Likewise.
3588         * icf.cc: Likewise.
3589         * incremental.h: Likewise.
3590         * layout.cc: Likewise.
3591         * layout.h: Likewise.
3592         * mapfile.cc: Likewise.
3593         * merge.cc: Likewise.
3594         * merge.h: Likewise.
3595         * object.cc: Likewise.
3596         * object.h: Likewise.
3597         * options.h: Likewise.
3598         * output.cc: Likewise.
3599         * output.h: Likewise.
3600         * parameters.cc: Likewise.
3601         * plugin.cc: Likewise.
3602         * powerpc.cc: Likewise.
3603         * reduced_debug_output.cc: Likewise.
3604         * reduced_debug_output.h: Likewise.
3605         * reloc.cc: Likewise.
3606         * reloc.h: Likewise.
3607         * resolve.cc: Likewise.
3608         * script-sections.cc: Likewise.
3609         * script.cc: Likewise.
3610         * script.h: Likewise.
3611         * sparc.cc: Likewise.
3612         * symtab.cc: Likewise.
3613         * symtab.h: Likewise.
3614         * target-select.cc: Likewise.
3615         * target-select.h: Likewise.
3616         * token.h: Likewise.
3617         * workqueue.cc: Likewise.
3618         * workqueue.h: Likewise.
3619         * x86_64.cc: Likewise.
3620
3621 2009-12-10  Doug Kwan  <dougkwan@google.com>
3622
3623         * arm.cc (attributes.h): New include.
3624         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
3625         (Arm_relobj::~Arm_relobj): Delete object pointed by
3626         attributes_section_data_.
3627         (Arm_relobj::attributes_section_data): New method definition.
3628         (Arm_relobj::attributes_section_data_): New data member declaration.
3629         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
3630         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
3631         attributes_section_data_.
3632         (Arm_dynobj::attributes_section_data): New method definition.
3633         (Arm_dynobj::attributes_section_data_): New data member declaration.
3634         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
3635         initialization value of may_use_blx_ to false.
3636         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
3637         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
3638         object attributes to compute results instead of hard-coding.
3639         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
3640         Target_arm::get_secondary_compatible_arch,
3641         Target_arm::set_secondary_compatible_arch
3642         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3643         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
3644         New method declarations.
3645         (Target_arm::get_aeabi_object_attribute): New method definition.
3646         (Target_arm::attributes_section_data_): New data member declaration.
3647         (read_arm_attributes_section): New template definition.
3648         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
3649         (Arm_dynobj::do_read_symbols): Ditto.
3650         (Target_arm::do_finalize_sections): Merge attributes sections from
3651         input.  Check for BLX use after attributes section merging.
3652         Fix __exidx_start and __exidx_end visibility.  Create an
3653         .ARM.attributes section if necessary.
3654         (Target_arm::get_secondary_compatible_arch,
3655         Target_arm::set_secondary_compatible_arch,
3656         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3657         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
3658         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
3659         New method definitions.
3660
3661 2009-12-09  Ian Lance Taylor  <iant@google.com>
3662
3663         * plugin.cc (Plugin::load): Don't cast from void* to a function
3664         pointer.
3665
3666 2009-12-09  Ian Lance Taylor  <iant@google.com>
3667
3668         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
3669         information fields.
3670
3671 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
3672
3673         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
3674         Replace two_file_shared_1.so with two_file_shared_2.so.
3675         * testsuite/Makefile.in: Regenerated.
3676
3677 2009-12-08  Doug Kwan  <dougkwan@google.com>
3678
3679         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
3680         (HFILES): Add attributes.h and int_encoding.h.
3681         * Makefile.in: Regenerate.
3682         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
3683         function definitions to int_encoding.cc
3684         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
3685         prototypes to int_encoding.h
3686         * reduced_debug_output.cc (int_encoding.h): New include.
3687         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
3688         function definitions to int_encoding.cc
3689         (insert_into_vector, read_from_pointer): Move template definitions to
3690         int_encoding.h
3691         * attributes.cc: New file.
3692         * attributes.h: New file.
3693         * int_encoding.cc: New file.
3694         * int_encoding.h: New file.
3695
3696 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
3697
3698         PR gold/11055
3699         * incremental-dump.cc (dump_incremental_inputs): New.
3700         (main): Use dump_incremental_inputs.
3701
3702 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
3703
3704         PR gold/10893
3705         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
3706         checking elfcpp::STT_FUNC.
3707         (Target_i386::Relocate::relocate): Likewise.
3708         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3709
3710         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
3711         symbols from shared libraries into normal FUNC symbols.
3712
3713         * symtab.h (Symbol): Add is_func and use it.
3714
3715 2009-12-05  Doug Kwan  <dougkwan@google.com>
3716
3717         * arm.cc (Target_arm::arm_info): Initialize new fields
3718         attributes_section and attributes_vendor.
3719         * i386.cc (Target_i386::i386_info): Same.
3720         * object.cc (Sized_relobj::do_layout): Skip attribute section.
3721         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
3722         fields attributes_section and attributes_vendor.
3723         * sparc.cc (Target_sparc::sparc_info): Same.
3724         * target.h (Target::attributes_section, Target::attributes_vendor,
3725         Target::is_attributes_section, Target::attribute_arg_type,
3726         Target::attributes_order): New method definitions.
3727         (Target::Target_info::attributes_section,
3728         Target::Target_info::attributes_vendor): New fields.
3729         (Target::do_attribute_arg_type, Target::do_attributes_order): New
3730         virtual method definitions.
3731         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
3732         attributes_section and attributes_vendor.
3733         * testsuite/testfile.cc (Target_test::test_target_info): Same.
3734
3735 2009-12-05  Doug Kwan  <dougkwan@google.com>
3736
3737         * arm.cc: Update comments about interworking and stub generation.
3738         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
3739         considered as non-PIC.
3740         (Arm_relocate_functions::base_abs): Fix formatting.
3741         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
3742         of function to use GOT entry address instead of offset.
3743         (Target_arm::Scan::global): Issue an error if a symbol would need a
3744         PLT does not get one because it is untyped.  Remove code to create
3745         dynamic symbols for relative branches.
3746         (Target_arm::Relocate::relocate: Use 0 instead of false since function
3747         takes unsigned integer instead of boolean.
3748
3749 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
3750
3751         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
3752         (two_file_test_LDADD): Likewise.
3753         (common_test_1_LDADD): Likewise.
3754         (exception_test_LDADD) Likewise.
3755         (weak_test_LDADD): Likewise.
3756         (many_sections_test_LDADD): Likewise.
3757         (initpri1_LDADD): Likewise.
3758         (script_test_1_LDADD): Likewise.
3759         (script_test_2_LDADD): Likewise.
3760         (justsyms_LDADD): Likewise.
3761         (binary_test_LDADD): Likewise.
3762         (large_LDADD): Likewise.
3763         * testsuite/Makefile.in: Regenerated.
3764
3765 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
3766
3767         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
3768         (Symbol_table::override_with_special): Likewise.
3769         (Symbol_table::add_from_object): Likewise.
3770
3771 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3772
3773         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3774         Don't set the data_offset twice.
3775
3776 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3777
3778         * testsuite/Makefile.in: Regenerate.
3779
3780 2009-12-03  Doug Kwan  <dougkwan@google.com>
3781
3782         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
3783         (Target_arm::do_finalize_sections): Add parameter for symbol table
3784         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
3785         * i386.cc (Target_i386::do_finalize_sections): Add an additional
3786         parameter for symbol table pointer.
3787         * layout.cc (Layout::finalize): Call Target::finalize_sections with
3788         an additional parameter for a pointer to symbol table.
3789         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
3790         parameter for a symbol table pointer.
3791         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
3792         * target.h (Target::finalize_sections, Target::do_finalize_sections):
3793         Ditto.
3794         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
3795         parameter for a symbol table pointer.
3796
3797 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
3798
3799         * incremental.cc (Incremental_inputs_header)
3800         (Incremental_inputs_header_write, Incremental_inputs_entry)
3801         (Incremental_inputs_entry_write): Move ...
3802         * incremental.h (Incremental_inputs_header)
3803         (Incremental_inputs_header_write, Incremental_inputs_entry)
3804         (Incremental_inputs_entry_write): here.
3805
3806 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3807
3808         * incremental.cc (make_sized_incremental_binary): Set the target.
3809         Error if it is incompatible.
3810         * output.h (Output_file): Add filename method.
3811
3812 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3813
3814         * incremental.cc (Incremental_inputs_entry): Remove unused argument
3815         from the get_* methods.
3816
3817 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3818
3819         * incremental-dump.cc (main): Check that the offeset of a script is 0.
3820         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3821         Write 0 for the data_offset of scripts.
3822
3823 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3824
3825         * testsuite/Makefile.am: Add the incremental_test.sh test.
3826         * testsuite/incremental_test.sh: New.
3827         * testsuite/incremental_test_1.c: New.
3828         * testsuite/incremental_test_2.c: New.
3829
3830 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
3831
3832        * incremental-dump.cc (main): Fix typos.
3833
3834 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
3835
3836         PR gold/11025
3837         * incremental-dump.cc (main): Use llu to print 64 bit values.
3838
3839 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
3840             H.J. Lu  <hongjiu.lu@intel.com>
3841
3842         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
3843         $(LIBDL).
3844         (incremental_dump_LDADD): Likewise.
3845         * Makefile.in: Regenerated.
3846
3847 2009-11-25  Doug Kwan  <dougkwan@google.com>
3848
3849         Revert:
3850
3851         2009-11-25  Doug Kwan  <dougkwan@google.com>
3852
3853                 * arm.cc (Target_arm::Target_arm): Move method definition
3854                 outside of class definition.  Add code to handle
3855                 --target1-rel, --target1-abs and --target2= options.
3856                 (Target_arm::get_reloc_reloc_type): Change method to be
3857                 non-static and const.
3858                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
3859                 New data member declaration.
3860                 (Target_arm::Scan::local, Target_arm::Scan::global,
3861                 Target_arm::Relocate::relocate,
3862                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3863                 Adjust call to Target_arm::get_real_reloc_type.
3864                 (Target_arm::get_real_reloc_type): Use command line options
3865                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3866                 * options.h (--target1-rel, --target1-abs, --target2): New
3867                 ARM-only options.
3868
3869 2009-11-25  Doug Kwan  <dougkwan@google.com>
3870
3871         * arm.cc (Target_arm::Target_arm): Move method definition outside of
3872         class definition.  Add code to handle --target1-rel, --target1-abs
3873         and --target2= options.
3874         (Target_arm::get_reloc_reloc_type): Change method to be non-static
3875         and const.
3876         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
3877         member declaration.
3878         (Target_arm::Scan::local, Target_arm::Scan::global,
3879         Target_arm::Relocate::relocate,
3880         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
3881         call to Target_arm::get_real_reloc_type.
3882         (Target_arm::get_real_reloc_type): Use command line options to
3883         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3884         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
3885         options.
3886
3887 2009-11-25  Doug Kwan  <dougkwan@google.com>
3888
3889         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
3890         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
3891         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
3892         formatting.
3893         (Arm_relocate_functions::thm_call): Replace body with a call to
3894         Arm_relocate_functions::thumb_branch_common.
3895         (Arm_relocate_functions::thm_jump24,
3896         Arm_relocate_functions::thm_xpc22): New method definitions.
3897         (Arm_relocate_functions::thumb_branch_common): New method definition.
3898         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
3899         operator.
3900         (Target_arm::Relocate::relocate): Adjust call to thm_call.
3901         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
3902
3903 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3904
3905         * Makefile.am: Build incremental-dump
3906         * Makefile.in: Regenerate.
3907         * incremental-dump.cc: New.
3908         * incremental.cc (Incremental_inputs_header_data,
3909         Incremental_inputs_entry_data): Move to incremental.h
3910         * incremental.h: (Incremental_inputs_header_data,
3911         Incremental_inputs_entry_data): Move from incremental.cc
3912
3913 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3914
3915         * incremental.cc (Incremental_inputs_header,
3916         Incremental_inputs_header_write, Incremental_inputs_entry,
3917         Incremental_inputs_entry_write): Add a typedef with the data type.
3918
3919 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3920
3921         * incremental.cc (Incremental_inputs_header,
3922         Incremental_inputs_header_write, Incremental_inputs_entry,
3923         Incremental_inputs_entry_write): Update comment about which
3924         type has the filed descriptions.
3925
3926 2009-11-15  Doug Kwan  <dougkwan@google.com>
3927
3928         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
3929         (Arm_relocate_functions::arm_branch_common): Change method defintion
3930         in class definition to a method declaration and update list of formal
3931         parameters.
3932         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
3933         Arm_relocation_functions::jump24): Adjust call to
3934         Arm_relocate_functions::arm_branch_common.  Update list of formal
3935         parameters.
3936         (Arm_relocate_functions::xpc25): New method definition.
3937         (Arm_relocate_functions::arm_branch_common): Move method defintion
3938         out from class definition.  Use stubs for mode-switching and extending
3939         branch ranges.
3940         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
3941         specially.  Change code to enable use of stubs in ARM branches.
3942
3943 2009-11-10  Doug Kwan  <dougkwan@google.com>
3944
3945         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
3946         in method declaration.
3947         (Target_arm::relocate_stub): New method declaration.
3948         (Target_arm::default_target): Change to return a pointer instead of
3949         a const reference.
3950         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
3951         Target_arm::default_target.
3952         (Arm_Relobj::do_relocate_sections): Remove options paramater in
3953         method definition.
3954         (Target_arm::relocate_section): Adjust view.
3955         (Target_arm::relocate_stub): New method definition.
3956
3957 2009-11-10  Doug Kwan  <dougkwan@google.com>
3958
3959         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
3960         a format warning.
3961         * incremental.cc (open_incremental_binary): Initialized local
3962         variables to avoid warnings.
3963         * object.cc (make_elf_object): Ditto.
3964         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
3965         a format warning.
3966
3967 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
3968
3969         PR gold/10930
3970         * testsuite/plugin_test.c: Include "config.h".
3971
3972 2009-11-09  Doug Kwan  <dougkwan@google.com>
3973
3974         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
3975         (arm_symbol_value): Remove.
3976         (Arm_relocate_functions::arm_branch_common,
3977         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
3978         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
3979         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
3980         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
3981         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
3982         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
3983         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
3984         Arm_relocate_functions::thm_mobw_abs_nc,
3985         Arm_relocate_functions::thm_mov_abs,
3986         Arm_relocate_functions::movw_prel_nc,
3987         Arm_relocate_functions::thm_movt_abs,
3988         Arm_relocate_functions::movt_prel,
3989         Arm_relocate_functions::thm_movw_prel_nc,
3990         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
3991         (Target_arm::Relocate::relocate): Only decompose address into two
3992         parts if relocation type uses the thumb-bit and pass the actual
3993         bit instead of a flag indicating that the thumb-bit is used.  Adjust
3994         calls to methods in Arm_relocate_functions for this change.
3995
3996 2009-11-08  Ian Lance Taylor  <iant@google.com>
3997
3998         PR 10925
3999         * reloc.cc: Instantiate
4000         Sized_relobj::initialize_input_to_output_maps and
4001         Sized_relobj:free_input_to_output_maps.
4002
4003 2009-11-06  Ian Lance Taylor  <iant@google.com>
4004
4005         PR 10876
4006         * defstd.cc (in_segment): Set only_if_ref true for "end".
4007
4008 2009-11-06  Doug Kwan  <dougkwan@google.com>
4009
4010         * arm.cc (class Reloc_stub): Correct a comment.
4011         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4012         (Target_arm::scan_section_for_stubs): New method declaration.
4013         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4014         Change methods from private to protected.
4015         (Target_arm::do_may_relax): New method definition.
4016         (Target_arm::do_relax, Target_arm::group_sections,
4017         Target_arm::scan_reloc_for_stub,
4018         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4019         (Target_arm::arm_input_section_map_): New data member declaration.
4020         (Target_arm::scan_reloc_for_stub,
4021         Target_arm::scan_reloc_section_for_stubs,
4022         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4023         Target_arm::do_relax): New method definitions.
4024
4025 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4026
4027         * configure.ac: Check for (struct stat)::st_mtim
4028         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4029         * config.in: Regenerate.
4030         * configure: Regenerate.
4031
4032 2009-11-05  Ian Lance Taylor  <iant@google.com>
4033
4034         PR 10910
4035         * output.cc (Output_segment::add_output_section): Add missing
4036         return statement.
4037
4038 2009-11-04  Ian Lance Taylor  <iant@google.com>
4039
4040         PR 10880
4041         * object.h (class Object): Add is_needed and set_is_needed
4042         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4043         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4044         defined in a dynamic object and referenced by a regular object,
4045         set is_needed for the dynamic object.
4046         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4047         if the file is marked with as_needed and it is not needed.
4048
4049 2009-11-04  Ian Lance Taylor  <iant@google.com>
4050
4051         PR 10887
4052         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4053         tags if data is discarded by linker script.
4054         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4055         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4056         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4057         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4058
4059 2009-11-04  Ian Lance Taylor  <iant@google.com>
4060
4061         * layout.cc (Layout::get_output_section): Add is_interp and
4062         is_dynamic_linker_section parameters.  Change all callers.
4063         (Layout::choose_output_section): Likewise.
4064         (Layout::make_output_section): Likewise.
4065         (Layout::add_output_section_data): Add is_dynamic_linker_section
4066         parameter.  Change all callers.
4067         * layout.h (class Layout): Update declarations.
4068         * output.h (class Output_section): Add is_interp, set_is_interp,
4069         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4070         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4071         generate_code_fills_at_write_ to a bitfield.
4072         * output.cc (Output_section::Output_sections): Initialize new
4073         fields.
4074         (Output_segment::add_output_section): Add do_sort parameter.
4075         Change all callers.
4076
4077 2009-11-03  Ian Lance Taylor  <iant@google.com>
4078
4079         PR 10860
4080         * options.h (class General_options): Add --warn-common.
4081         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4082         merging two common symbols.
4083         (Symbol_table::should_override): Handle --warn-common when merging
4084         a common symbol with a defined symbol.  Use report_resolve_problem
4085         for multiple definitions.
4086         (Symbol_table::report_resolve_problem): New function.
4087         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4088
4089 2009-11-03  Doug Kwan  <dougkwan@google.com>
4090
4091         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4092         stub_factory_.
4093         (Target_arm::stub_factory): New method definition.
4094         (Target_arm::new_arm_input_section,
4095         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4096         Target_arm::reloc_uses_thumb_bit): New method declarations.
4097         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4098         New type definitions.
4099         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4100         member declarations.
4101         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4102         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4103         New method definitions.
4104
4105 2009-11-03  Ian Lance Taylor  <iant@google.com>
4106
4107         * options.h (class General_options): Add --warn_constructors.
4108
4109 2009-11-03  Ian Lance Taylor  <iant@google.com>
4110
4111         PR 10893
4112         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4113         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4114
4115 2009-11-03  Ian Lance Taylor  <iant@google.com>
4116
4117         PR 10895
4118         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4119         --msgid-bugs-address.
4120         (install-pdf): New target.
4121         (install-data_yes): Look up one directory to find mkinstalldirs.
4122
4123 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4124
4125         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4126         tree.
4127
4128 2009-10-30  Doug Kwan  <dougkwan@google.com>
4129
4130         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4131
4132 2009-10-30  Doug Kwan  <dougkwan@google.com>
4133
4134         * arm.cc (Stub_addend_reader): New struct template definition
4135         and partial specializations.
4136         (Stub_addend_reader::operator()): New method definition for a
4137         partially specialized template.
4138
4139 2009-10-30  Doug Kwan  <dougkwan@google.com>
4140
4141         * arm.cc (Arm_relobj::processor_specific_flags): New method
4142         definition.
4143         (Arm_relobj::do_read_symbols): New method declaration.
4144         (Arm_relobj::processor_specific_flags_): New data member declaration.
4145         (Arm_dynobj): New class definition.
4146         (Target_arm::do_finalize_sections): Add input_objects parameter.
4147         (Target_arm::do_adjust_elf_header): New method declaration.
4148         (Target_arm::are_eabi_versions_compatible,
4149         (Target_arm::merge_processor_specific_flags): New method declaration.
4150         (Target_arm::do_make_elf_object): New overloaded method definitions
4151         and declaration.
4152         (Arm_relobj::do_read_symbols): New method definition.
4153         (Arm_dynobj::do_read_symbols): Ditto.
4154         (Target_arm::do_finalize_sections): Add input_objects parameters.
4155         Merge processor-specific flags from all input objects.
4156         (Target_arm::are_eabi_versions_compatible,
4157         Target_arm::merge_processor_specific_flags,
4158         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4159         New method definitions.
4160         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4161         Input_objects pointer type parameter.
4162         * layout.cc (Layout::finalize): Pass input objects to target's.
4163         finalize_sections function.
4164         * output.cc (Output_file_header::do_sized_write): Set ELF file
4165         header's processor-specific flags.
4166         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4167         Input_objects pointer type parameter.
4168         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4169         * target.h (Input_objects): New forward class declaration.
4170         (Target::processor_specific_flags,
4171         Target::are_processor_specific_flags_sect): New method definitions.
4172         (Target::finalize_sections): Add input_objects parameter.
4173         (Target::Target): Initialize processor_specific_flags_ and
4174         are_processor_specific_flags_set_.
4175         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4176         parameter.
4177         (Target::set_processor_specific_flags): New method definition.
4178         (Target::processor_specific_flags_,
4179         Target::are_processor_specific_flags_set_): New data member
4180         declarations.
4181         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4182         Input_objects pointer type parameter.
4183
4184 2009-10-30  Doug Kwan  <dougkwan@google.com>
4185
4186         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4187
4188 2009-10-28  Ian Lance Taylor  <iant@google.com>
4189
4190         * object.h (class Relobj): Drop options parameter from
4191         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4192         do_scan_relocs, do_relocate.  Change all callers.
4193         (class Sized_relobj): Drop options parameters from
4194         do_gc_process_relocs, do_scan_relocs, do_relocate,
4195         do_relocate_sections, relocate_sections, emit_relocs_scan,
4196         emit_relocs_scan_reltype.  Change all callers.
4197         (struct Relocate_info): Remove options field and all references to
4198         it.
4199         * reloc.h (class Read_relocs): Remove options constructor
4200         parameter and options_ field.  Change all callers.
4201         (class Gc_process_relocs, class Scan_relocs): Likewise.
4202         (class Relocate_task): Likewise.
4203         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4204         all callers.
4205         (scan_relocatable_relocs): Likewise.
4206         * target.h (class Sized_target): Remove options parameter from
4207         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4208         all callers.
4209         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4210         callers.
4211         * arm.cc: Update functions to remove options parameters.
4212         * i386.cc: Likewise.
4213         * powerpc.cc: Likewise.
4214         * sparc.cc: Likewise.
4215         * x86_64.cc: Likewise.
4216         * testsuite/testfile.cc: Likewise.
4217
4218 2009-10-28  Doug Kwan  <dougkwan@google.com>
4219
4220         * arm.cc (Arm_relobj): New class definition.
4221         (Arm_relobj::scan_sections_for_stubs,
4222         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4223         New method definitions.
4224
4225 2009-10-28  Cary Coutant  <ccoutant@google.com>
4226
4227         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4228         (Plugin::cleanup_done_): New member.
4229         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4230         (Plugin_manager::cleanup_done_): Remove.
4231         (Plugin_manager::add_input_file): Edit error message.
4232         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4233         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4234
4235 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4236
4237         * fileread.cc: (File_read::View::~View): Use the new
4238         data_ownership_ filed.
4239         (File_read::~File_read): Dispose the new whole_file_view_.
4240         (File_read::open): Mmap the whole file if needed.
4241         (File_read::open): Use whole_file_view_ instead of contents_.
4242         (File_read::find_view): Use whole_file_view_ if applicable.
4243         (File_read::do_read): Use whole_file_view_ instead of contents_.
4244         (File_read::make_view): Use whole_file_view_ instead of contents_,
4245         update File_read::View::View call.
4246         (File_read::find_or_make_view): Update File_read::View::View
4247         call.
4248         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4249         remove contents_
4250         (File_read::View::Data_ownership): New enum.
4251         (File_read::View::View): Replace bool mapped_ with Data_ownership
4252         argument.
4253         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4254         (File_read::View::data_ownership_): New field.
4255         (File_read::contents_): Remove (replaced by whole_file_view_).
4256         (File_read::whole_file_view_): New field.
4257         * options.h (class General_options): Add --keep-files-mapped.
4258
4259 2009-10-27  Cary Coutant  <ccoutant@google.com>
4260
4261         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4262         * testsuite/Makefile.am (plugin_test_5): New test case.
4263         * testsuite/Makefile.in: Regenerate.
4264
4265 2009-10-25  Doug Kwan  <dougkwan@google.com>
4266
4267         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4268         from private to protected to allow access by child class.
4269         (Sized_relobj::do_relocate_sections): New method declaration.
4270         (Sized_relobj::relocate_sections): Virtualize.
4271         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4272         Sized_relobj::relocate_sections.  Instantiate template explicitly
4273         for different target sizes and endianity.
4274
4275 2009-10-24  Doug Kwan  <dougkwan@google.com>
4276
4277         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4278         (Arm_input_section::as_arm_input_section): New method.
4279         (Arm_output_section): New class definition.
4280         (Arm_output_section::create_stub_group,
4281         Arm_output_section::group_sections): New method definitions.
4282
4283 2009-10-22  Doug Kwan  <dougkwan@google.com>
4284
4285         * arm.cc (Arm_input_section): New class definition.
4286         (Arm_input_section::init, Arm_input_section:do_write,
4287         Arm_input_section::set_final_data_size,
4288         Arm_input_section::do_reset_address_and_file_offset): New method
4289         definitions.
4290
4291 2009-10-21  Doug Kwan  <dougkwan@google.com>
4292
4293         * arm.cc (Stub_table, Arm_input_section): New forward class
4294         declarations.
4295         (Stub_table): New class defintion.
4296         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4297         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4298         New method definition.
4299
4300 2009-10-21  Doug Kwan  <dougkwan@google.com>
4301
4302         * arm.cc: Update copyright comments.
4303         (Target_arm): New forward class template declaration.
4304         (Arm_address): New type.
4305         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4306         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4307         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4308         constants.
4309         (Insn_template): Same.
4310         (DEF_STUBS): New macro.
4311         (Stub_type): New enum type.
4312         (Stub_template): New class definition.
4313         (Stub): Same.
4314         (Reloc_stub): Same.
4315         (Stub_factory): Same.
4316         (Target_arm::Target_arm): Initialize may_use_blx_ and
4317         should_force_pic_veneer_.
4318         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4319         Target_arm::should_force_pic_veneer,
4320         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4321         Target_arm::using_thumb_only, Target_arm:;default_target): New
4322         method defintions.
4323         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4324         New data member declarations.
4325         (Insn_template::size, Insn_template::alignment): New method defintions.
4326         (Stub_template::Stub_template): New method definition.
4327         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4328         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4329         (Stub_factory::Stub_factory): New method definition.
4330         * gold.h (string_hash): New template.
4331         * output.h (Input_section_specifier::hash_value): Use
4332         gold::string_hash.
4333         (Input_section_specifier::string_hash): Remove.
4334         * stringpool.cc (Stringpool_template::string_hash): Use
4335         gold::string_hash.
4336
4337 2009-10-20  Doug Kwan  <dougkwan@google.com>
4338
4339         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4340         symbols of relaxed input sections.
4341         * output.h (Output_section::find_relaxed_input_section): Make
4342         method public.
4343
4344 2009-10-16  Doug Kwan  <dougkwan@google.com>
4345
4346         * dynobj.cc (Versions::Versions): Initialize version_script_.
4347         Only insert base version symbol definition for a shared object
4348         if version script defines any version versions.
4349         (Versions::define_base_version): New method definition.
4350         (Versions::add_def): Check that base version is not needed.
4351         (Versions::add_need): Define base version lazily.
4352         * dynobj.h (Versions::define_base_version): New method declaration.
4353         (Versions::needs_base_version_): New data member declaration.
4354         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4355         (check_DATA): Add no_version_test.stdout.
4356         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4357         New make rules.
4358         * testsuite/Makefile.in: Regenerate.
4359         * testsuite/no_version_test.c: New file.
4360         * testsuite/no_version_test.sh: Ditto.
4361
4362 2009-10-16  Doug Kwan  <dougkwan@google.com>
4363
4364         * expression.cc (class Segment_start_expression): New class definition.
4365         (Segment_start_expression::value): New method definition.
4366         (script_exp_function_segment_start): Return a new
4367         Segment_start_expression.
4368         * gold/script-c.h (script_saw_segment_start_expression): New function
4369         prototype.
4370         * script-sections.cc (Script_sections::Script_sections): Initialize
4371         SAW_SEGMENT_START_EXPRESSION_ to false.
4372         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4373         and -Tbbs options to specify section addresses if given in
4374         command line and no SEGMENT_START expression is seen in a script.
4375         * script-sections.h (Script_sections::saw_segment_start_expression,
4376         Script_sections::set_saw_segment_start_expression): New method
4377         definition.
4378         (Script_sections::saw_segment_start_expression_): New data member
4379         declaration.
4380         * script.cc (script_saw_segment_start_expression): New function.
4381         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4382         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4383         script_test_7.sh and script_test_8.sh.
4384         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4385         script_test_8.stdout.
4386         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4387         (script_test_6, script_test_6.stdout, script_test_7,
4388         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4389         * Makefile.in: Regenerate.
4390         * testsuite/script_test_6.sh: New file.
4391         * testsuite/script_test_6.t: Same.
4392         * testsuite/script_test_7.sh: Same.
4393         * testsuite/script_test_7.t: Same.
4394         * testsuite/script_test_8.sh: Same.
4395
4396 2009-10-16  Doug Kwan  <dougkwan@google.com>
4397
4398         * output.cc (Output_segment::set_section_list_address): Cast
4399         expressions to unsigned long long type to avoid format warnings.
4400
4401 2009-10-15  Ian Lance Taylor  <iant@google.com>
4402
4403         * script.cc (Script_options::add_symbol_assignment): Always add a
4404         dot assignment to script_sections_.
4405         * script-sections.cc (Script_sections::add_dot_assignment):
4406         Initialize if necessary.
4407
4408         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4409         program headers with no load segment if there is a linker script.
4410
4411         * layout.cc (Layout::set_segment_offsets): Align the file offset
4412         to the segment aligment for -N or -n with no load segment.
4413         * output.cc (Output_segment::add_output_section): Don't crash if
4414         the first section is a TLS section.
4415         (Output_segment::set_section_list_addresses): Print an error
4416         message if the address moves backward in a linker script.
4417         * script-sections.cc
4418         (Output_section_element_input::set_section_addresses): Don't
4419         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4420         (Orphan_output_section::set_section_addresses): Likewise.
4421
4422 2009-10-15  Doug Kwan  <dougkwan@google.com>
4423
4424         * layout.cc (Layout::finish_dynamic_section): Generate tags
4425         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4426         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4427         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4428
4429 2009-10-14  Ian Lance Taylor  <iant@google.com>
4430
4431         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4432         fields.
4433         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4434         data_shdr fields of relinfo.
4435         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4436         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
4437         R_386_TLS_LDO_32, adjust based on section flags.
4438         (Target_i386::Relocate::fix_up_ldo): Remove.
4439
4440 2009-10-13  Ian Lance Taylor  <iant@google.com>
4441
4442         Add support for -pie.
4443         * options.h (class General_options): Add -pie and
4444         --pic-executable.
4445         (General_options::output_is_position_independent): Test -pie.
4446         (General_options::output_is_executable): Return true if not shared
4447         and not relocatable.
4448         (General_options::output_is_pie): Remove.
4449         * options.cc (General_options::finalize): Reject incompatible uses
4450         of -pie.
4451         * gold.cc (queue_middle_tasks): A -pie link is not static.
4452         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4453         * symtab.cc (Symbol::final_value_is_known): Return false if
4454         output_is_position_independent.
4455         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4456         output_is_position_independent.
4457         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4458         output_is_position_independent.
4459         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4460         output_is_position_independent.
4461         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4462         two_file_pie_test.
4463         (basic_pie_test.o, basic_pie_test): New targets.
4464         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4465         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
4466         (two_file_pie_test): New target.
4467         * testsuite/Makefile.in: Rebuild.
4468         * README: Remove note saying that -pie is not supported.
4469
4470 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4471
4472         * options.h (class General_options): Add -init and -fini.
4473         * layout.cc (Layout::finish_dynamic_section): Emit
4474         given init and fini functions.
4475
4476 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
4477
4478         * gc.h (gc_process_relocs): Check if icf is enabled using new
4479         function.
4480         * gold.cc (queue_initial_tasks): Likewise.
4481         (queue_middle_tasks): Likewise.
4482         * object.cc (do_layout): Likewise.
4483         * symtab.cc (is_section_folded): Likewise.
4484         * main.cc (main): Likewise.
4485         * reloc.cc (Read_relocs::run): Likewise.
4486         (Sized_relobj::do_scan_relocs): Likewise.
4487         * icf.cc (is_function_ctor_or_dtor): New function.
4488         (Icf::find_identical_sections): Check if function is ctor or dtor when
4489         safe icf is chosen.
4490         * options.h (General_options::icf): Change option to be an enum.
4491         (Icf_status): New enum.
4492         (icf_enabled): New method.
4493         (icf_safe_folding): New method.
4494         (set_icf_status): New method.
4495         (icf_status_): New variable.
4496         * (options.cc) (General_options::finalize): Set icf_status_.
4497         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
4498         icf_test and icf_keep_unique_test to use the --icf enum flag.
4499         * testsuite/icf_safe_test.sh: New file.
4500         * testsuite/icf_safe_test.cc: New file.
4501
4502 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
4503
4504         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
4505         includes to gc.h and icf.h.
4506         * arm.cc: Include gc.h.
4507         * gold.cc: Likewise.
4508         * i386.cc: Likewise.
4509         * powerpc.cc: Likewise.
4510         * sparc.cc: Likewise.
4511         * x86_64.cc: Likewise.
4512         * gc.h: Include icf.h.
4513
4514 2009-10-11  Ian Lance Taylor  <iant@google.com>
4515
4516         * plugin.cc: Include "gold.h" before other header files.
4517
4518 2009-10-10  Chris Demetriou  <cgd@google.com>
4519
4520         * options.h (Input_file_argument::Input_file_type): New enum.
4521         (Input_file_argument::is_lib_): Replace with...
4522         (Input_file_argument::type_): New member.
4523         (Input_file_argument::Input_file_argument): Take Input_file_type
4524         'type' rather than boolean 'is_lib' as second argument.
4525         (Input_file_argument::is_lib): Use type_.
4526         (Input_file_argument::is_searched_file): New function.
4527         (Input_file_argument::may_need_search): Handle is_searched_file.
4528         * options.cc (General_options::parse_library): Support -l:filename.
4529         (General_options::parse_just_symbols): Update for Input_file_argument
4530         changes.
4531         (Command_line::process): Likewise.
4532         * archive.cc (Archive::get_file_and_offset): Likewise.
4533         * plugin.cc (Plugin_manager::release_input_file): Likewise.
4534         * script.cc (read_script_file, script_add_file): Likewise.
4535         * fileread.cc (Input_file::Input_file): Likewise.
4536         (Input_file::will_search_for): Handle is_searched_file.
4537         (Input_file::open): Likewise.
4538         * readsyms.cc (Read_symbols::get_name): Likewise.
4539         * testsuite/Makefile.am (searched_file_test): New test.
4540         * testsuite/Makefile.in: Regenerate.
4541         * testsuite/searched_file_test.cc: New file.
4542         * testsuite/searched_file_test_lib.cc: New file.
4543
4544 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4545             Ian Lance Taylor  <iant@google.com>
4546
4547         * descriptor.cc: Include <cstdio> and "binary-io.h".
4548         (Descriptors::open): Open the files in binary mode always.
4549         * script.cc (Lex::get_token): Treat \r as whitespace.
4550
4551 2009-10-09  Ian Lance Taylor  <iant@google.com>
4552
4553         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
4554
4555 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4556             Ian Lance Taylor  <iant@google.com>
4557
4558         * configure.ac: Check for readv function also.
4559         * fileread.cc (readv): Define if not HAVE_READV.
4560         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
4561         does not exist.
4562         * config.in: Regenerate.
4563         * configure: Regenerate.
4564
4565 2009-10-09  Doug Kwan  <dougkwan@google.com>
4566
4567         * layout.cc (Layout::make_output_section): Call target hook to make
4568         ordinary output section.
4569         (Layout::finalize): Adjust parameter list of call the
4570         Target::may_relax().
4571         * layout.h (class Layout::section_list): New method.
4572         * merge.h (Output_merge_base::entsize): Change visibility to public.
4573         (Output_merge_base::is_string, Output_merge_base::do_is_string):
4574         New methods.
4575         (Output_merge_string::do_is_string): New method.
4576         * object.cc (Sized_relobj::do_setup): renamed from
4577         Sized_relobj::set_up.
4578         * object.h (Sized_relobj::adjust_shndx,
4579         Sized_relobj::initializ_input_to_output_maps,
4580         Sized_relobj::free_input_to_output_maps): Change visibilities to
4581         protected.
4582         (Sized_relobj::setup): Virtualize.
4583         (Sized_relobj::do_setup): New method declaration.
4584         (Sized_relobj::invalidate_section_offset,
4585         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
4586         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
4587         * options.cc (parse_int): New function.
4588         * options.h (parse_int): New declaration.
4589         (DEFINE_int): New macro.
4590         (stub_group_size): New option.
4591         * output.cc (Output_section::Output_section): Initialize memebers
4592         merge_section_map_, merge_section_by_properties_map_,
4593         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
4594         (Output_section::add_input_section): Handled deferred code-fill
4595         generation and remove an old comment.
4596         (Output_section::add_relaxed_input_section): New method definition.
4597         (Output_section::add_merge_input_section): Use merge section by
4598         properties map to speed to search.  Update merge section maps
4599         as appropriate.
4600         (Output_section::build_relaxation_map): New method definition.
4601         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4602         Same.
4603         (Output_section::relax_input_section): Renamed to
4604         Output_section::convert_input_sections_to_relaxed_sections and change
4605         interface to take a vector of pointers to relaxed sections.
4606         (Output_section::find_merge_section,
4607         Output_section::find_relaxed_input_section): New method definitions.
4608         (Output_section::is_input_address_mapped,
4609         Output_section::output_offset, Output_section::output_address):
4610         Use output section data maps to speed up searching.
4611         (Output_section::find_starting_output_address): Add comments.
4612         (Output_section::do_write,
4613         Output_section::write_to_postprocessing_buffer): Do code-fill
4614         generation as appropriate.
4615         (Output_section::get_input_sections): Invalidate relaxed input section
4616         map.
4617         (Output_section::restore_states): Adjust type of checkpoint .
4618         Invalidate relaxed input section map.
4619         * output.h (Output_merge_base): New class declaration.
4620         (Input_section_specifier): New class defintion.
4621         (class Output_relaxed_input_section) Change base class to
4622         Output_section_data_build.
4623         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
4624         base class initializer.
4625         (Output_section::add_relaxed_input_section): New method declaration.
4626         (Output_section::Input_section): Change visibility to protected.
4627         (Output_section::Input_section::relobj,
4628         Output_section::Input_section::shndx): Handle relaxed input sections.
4629         Output_section::input_sections) Change visibility to protected.  Also
4630         define overload to return a non-const pointer.
4631         (Output_section::Merge_section_properties): New class defintion.
4632         (Output_section::Merge_section_by_properties_map,
4633         Output_section::Output_section_data_by_input_section_map,
4634         Output_section::Relaxation_map): New types.
4635         (Output_section::relax_input_section): Rename method to
4636         Output_section::convert_input_sections_to_relaxed_sections and change
4637         interface to take a vector of relaxed section pointers.
4638         (Output_section::find_merge_section,
4639         Output_section::find_relaxed_input_section,
4640         Output_section::build_relaxation_map,
4641         Output_section::convert_input_sections_in_list_to_relaxed_sections):
4642         New method declarations.
4643         (Output_section::merge_section_map_
4644         Output_section::merge_section_by_properties_map_,
4645         Output_section::relaxed_input_section_map_,
4646         Output_section::is_relaxed_input_section_map_valid_,
4647         Output_section::generate_code_fills_at_write_): New data members.
4648         * script-sections.cc
4649         (Output_section_element_input::set_section_addresses): Call
4650         current_data_size and addralign methods of relaxed input sections.
4651         (Orphan_output_section::set_section_addresses): Call current_data_size
4652         and addralign methods of relaxed input sections.
4653         * symtab.cc (Symbol_table::compute_final_value): Extract template
4654         from the body of Symbol_table::sized_finalize_symbol.
4655         (Symbol_table::sized_finalized_symbol): Call
4656         Symbol_table::compute_final_value.
4657         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
4658         (Symbol_table::compute_final_value): New templated method declaration.
4659         * target.cc (Target::do_make_output_section): New method defintion.
4660         * target.h (Target::make_output_section): New method declaration.
4661         (Target::relax): Add more parameters for input objects, symbol table
4662         and layout.  Adjust call to do_relax.
4663         (Target::do_make_output_section): New method declaration.
4664         (Target::do_relax): Add parameters for input objects, symbol table
4665         and layout.
4666
4667 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4668
4669         * pread.c: Include stdio.h.
4670
4671 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4672
4673         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
4674         defined.
4675
4676 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4677
4678         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4679         Change read_shndx type to unsigned int.
4680         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4681         int.
4682         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4683         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
4684         Change read_shndx type to unsigned int.
4685         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4686         int.
4687         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4688         * layout.cc (Layout::create_symtab_sections): Cast the result of
4689         local_symcount * symsize to off_t in the gold_assert.
4690
4691 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4692
4693         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
4694         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
4695         R_ARM_BASE_ABS.
4696         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
4697         (Arm_relocate_functions::thm_abs5): New function.
4698         (Arm_relocate_functions::abs12): New function.
4699         (Arm_relocate_functions::abs16): New function.
4700         (Arm_relocate_functions::base_abs): New function.
4701         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
4702         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
4703         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
4704         R_ARM_BASE_ABS.
4705         (Scan::global): Likewise.
4706         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
4707         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
4708         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
4709         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
4710         R_ARM_BASE_ABS.
4711
4712 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4713
4714         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
4715         (Arm_relocate_functions::movt_prel): New function.
4716         (Arm_relocate_functions::thm_movw_prel_nc): New function.
4717         (Arm_relocate_functions::thm_movt_prel): New function.
4718         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
4719         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
4720         (Scan::global, Relocate::relocate): Likewise.
4721         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4722
4723 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4724
4725         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
4726         Incremental_checker.
4727         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
4728         unsigned int.
4729         (class Incremental_inputs_header): New class.
4730         (Incremental_inputs_header_writer): Edit comment.
4731         (Incremental_inputs_entry): New class.
4732         (Incremental_inputs_entry_writer): Edit comment.
4733         (Sized_incremental_binary::do_find_incremental_inputs_section):
4734         Add *strtab_shndx parameter, fill it.
4735         (Sized_incremental_binary::do_check_inputs): New method.
4736         (Incremental_checker::can_incrementally_link_output_file): Use
4737         Sized_incremental_binary::check_inputs.
4738         (Incremental_inputs::report_command_line): Save command line in
4739         command_line_.
4740         * incremental.h:
4741         (Incremental_binary::find_incremental_inputs_section): New
4742         method.
4743         (Incremental_binary::do_find_incremental_inputs_section): Add
4744         strtab_shndx parameter.
4745         (Incremental_binary::do_check_inputs): New pure virtual method.
4746         (Sized_incremental_binary::do_check_inputs): Declare.
4747         (Incremental_checker::Incremental_checker): Add incremental_inputs
4748         parameter, use it to initialize incremental_inputs_.
4749         (Incremental_checker::incremental_inputs_): New field.
4750         (Incremental_checker::command_line): New method.
4751         (Incremental_checker::inputs): New method.
4752         (Incremental_checker::command_line_): New field.
4753
4754 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4755
4756         * incremental.cc: Include <cstdarg> and "target-select.h".
4757         (vexplain_no_incremental): New function.
4758         (explain_no_incremental): New function.
4759         (Incremental_binary::error): New method.
4760         (Sized_incremental_binary::do_find_incremental_inputs_section): New
4761         method.
4762         (make_sized_incremental_binary): New function.
4763         (open_incremental_binary): New function.
4764         (can_incrementally_link_file): Add checks if output is ELF and has
4765         inputs section.
4766         * incremental.h: Include "elfcpp_file.h" and "output.h".
4767         (Incremental_binary): New class.
4768         (Sized_incremental_binary): New class.
4769         (open_incremental_binary): Declare.
4770         * object.cc (is_elf_object): Use
4771         elfcpp::Elf_recognizer::is_elf_file.
4772         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
4773         * output.h (Output_file::filesize): New method.
4774
4775 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4776
4777         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
4778         New function.
4779         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
4780         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
4781         function.
4782         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
4783         function.
4784         (Arm_relocate_functions::movw_abs_nc): New function.
4785         (Arm_relocate_functions::movt_abs): New function.
4786         (Arm_relocate_functions::thm_movw_abs_nc): New function.
4787         (Arm_relocate_functions::thm_movt_abs): New function.
4788         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
4789         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
4790         (Scan::global): Likewise.
4791         (Relocate::relocate): Likewise.
4792         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4793
4794 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4795
4796         * arm.cc (Arm_relocate_functions::got_prel) New function.
4797         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
4798         (Relocate::relocate): Likewise.
4799         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4800
4801 2009-10-06  Ian Lance Taylor  <iant@google.com>
4802
4803         * options.h (class General_options): Define
4804         split_stack_adjust_size parameter.
4805         * object.h (class Object): Add uses_split_stack_ and
4806         has_no_split_stack_ fields.  Add uses_split_stack and
4807         has_no_split_stack accessor functions.  Declare
4808         handle_split_stack_section.
4809         (class Reloc_symbol_changes): Define.
4810         (class Sized_relobj): Define Function_offsets.  Declare
4811         split_stack_adjust, split_stack_adjust_reltype, and
4812         find_functions.
4813         * object.cc (Object::handle_split_stack_section): New function.
4814         (Sized_relobj::do_layout): Call handle_split_stack_section.
4815         * dynobj.cc (Sized_dynobj::do_layout): Call
4816         handle_split_stack_section.
4817         * reloc.cc (Sized_relobj::relocate_sections): Call
4818         split_stack_adjust for executable sections in split_stack
4819         objects.  Pass reloc_map to relocate_section.
4820         (Sized_relobj::split_stack_adjust): New function.
4821         (Sized_relobj::split_stack_adjust_reltype): New function.
4822         (Sized_relobj::find_functions): New function.
4823         * target-reloc.h: Include "object.h".
4824         (relocate_section): Add reloc_symbol_changes parameter.  Change
4825         all callers.
4826         * target.h (class Target): Add calls_non_split method.  Declare
4827         do_calls_non_split virtual method.  Declare match_view and
4828         set_view_to_nop.
4829         * target.cc: Include "elfcpp.h".
4830         (Target::do_calls_non_split): New function.
4831         (Target::match_view): New function.
4832         (Target::set_view_to_nop): New function.
4833         * gold.cc (queue_middle_tasks): Give an error if mixing
4834         split-stack and non-split-stack objects with -r.
4835         * i386.cc (Target_i386::relocate_section): Add
4836         reloc_symbol_changes parameter.
4837         (Target_i386::do_calls_non_split): New function.
4838         * x86_64.cc (Target_x86_64::relocate_section): Add
4839         reloc_symbol_changes parameter.
4840         (Target_x86_64::do_calls_non_split): New function.
4841         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
4842         parameter.
4843         * powerpc.cc (Target_powerpc::relocate_section): Add
4844         reloc_symbol_changes parameter.
4845         * sparc.cc (Target_sparc::relocate_section): Add
4846         reloc_symbol_changes parameter.
4847         * configure.ac: Call AM_CONDITIONAL for the default target.
4848         * configure: Rebuild.
4849         * testsuite/Makefile.am (TEST_AS): New variable.
4850         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
4851         (check_DATA): Add split_i386 and split_x86_64 files.
4852         (SPLIT_DEFSYMS): Define.
4853         (split_i386_[1234n].o): New targets.
4854         (split_i386_[124]): New targets.
4855         (split_i386_[1234r].stdout): New targets.
4856         (split_x86_64_[1234n].o): New targets.
4857         (split_x86_64_[124]): New targets.
4858         (split_x86_64_[1234r].stdout): New targets.
4859         (MOSTLYCLEANFILES): Add new executables.
4860         * testsuite/split_i386.sh: New file.
4861         * testsuite/split_x86_64.sh: New file.
4862         * testsuite/split_i386_1.s: New file.
4863         * testsuite/split_i386_2.s: New file.
4864         * testsuite/split_i386_3.s: New file.
4865         * testsuite/split_i386_4.s: New file.
4866         * testsuite/split_i386_n.s: New file.
4867         * testsuite/split_x86_64_1.s: New file.
4868         * testsuite/split_x86_64_2.s: New file.
4869         * testsuite/split_x86_64_3.s: New file.
4870         * testsuite/split_x86_64_4.s: New file.
4871         * testsuite/split_x86_64_n.s: New file.
4872         * testsuite/testfile.cc (Target_test): Update relocation_section
4873         function.
4874         * testsuite/Makefile.in: Rebuild.
4875
4876 2009-10-06  Ian Lance Taylor  <iant@google.com>
4877
4878         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
4879         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
4880         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
4881         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
4882         the address on ldo_addrs_.
4883         (Target_i386::Relocate::fix_up_ldo): New function.
4884
4885 2009-10-06   Rafael Espindola  <espindola@google.com>
4886
4887         * plugin.cc (add_input_library): New.
4888         (Plugin::load): Add add_input_library to tv.
4889         (Plugin_manager::add_input_file): Add the is_lib argument.
4890         (add_input_file): Update call to Plugin_manager::add_input_file.
4891         (add_input_library): New.
4892         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
4893
4894 2009-09-30  Doug Kwan  <dougkwan@google.com>
4895
4896         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
4897         symbol and call Symbol::may_need_copy_reloc to determine if
4898         a copy reloc is needed.
4899         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
4900         nocopyreloc is given in command line.
4901         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
4902         given in command line.
4903         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
4904         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
4905         of the removed Target_i386::may_need_copy_reloc.
4906         * options.h (copyreloc): New option with default value false.
4907         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4908         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
4909         instead of the removed Target_powerpc::may_need_copy_reloc.
4910         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4911         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
4912         instead of the removed Target_sparc::may_need_copy_reloc.
4913         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
4914         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
4915         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
4916         instead of the removed Target_x86_64::may_need_copy_reloc.
4917
4918 2009-09-30  Ian Lance Taylor  <iant@google.com>
4919
4920         * object.h (class Object): Remove target_ field, and target,
4921         sized_target, and set_target methods.
4922         (Object::sized_target): Remove.
4923         (class Sized_relobj): Update declarations.  Remove sized_target.
4924         * object.cc (Sized_relobj::setup): Remove target parameter.
4925         Change all callers.
4926         (Input_objects::add_object): Don't do anything with the target.
4927         (make_elf_sized_object): Add punconfigured parameter.  Change all
4928         callers.  Set or test parameter target.
4929         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
4930         Change all callers.
4931         * parameters.cc (Parameters::set_target): Change parameter type to
4932         be non-const.
4933         (Parameters::default_target): Remove.
4934         (set_parameters_target): Change parameter type to be non-const.
4935         (parameters_force_valid_target): New function.
4936         (parameters_clear_target): New function.
4937         * parameters.h (class Parameters): Update declarations.  Remove
4938         default_target method.  Add sized_target and clear_target
4939         methods.  Change target_ to be non-const.
4940         (set_parameters_target): Update declaration.
4941         (parameters_force_valid_target): Declare.
4942         (parameters_clear_target): Declare.
4943         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
4944         as NULL if we aren't searching.
4945         (Add_symbols::run): Don't check for compatible target.
4946         * fileread.cc (Input_file::open_binary): Call
4947         parameters_force_valid_target.
4948         * gold.cc (queue_middle_tasks): Likewise.
4949         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
4950         set_target on object.
4951         * dynobj.h (class Sized_dynobj): Update declarations.
4952         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
4953         make_elf_object returns NULL.
4954         (Archive::include_member): Don't check whether object target is
4955         compatible.
4956         * output.cc (Output_section::add_input_section): Get target from
4957         parameters.
4958         (Output_section::relax_input_section): Likewise.
4959         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
4960         parameters.
4961         (Sized_relobj::do_scan_relocs): Likewise.
4962         (Sized_relobj::relocate_sections): Likewise.
4963         * resolve.cc (Symbol_table::resolve): Likewise.
4964         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
4965         parameter.  Change all callers.
4966         (Symbol_table::add_from_object): Get target from parameters.
4967         (Symbol_table::add_from_relobj): Don't check object target.
4968         (Symbol_table::add_from_dynobj): Likewise.
4969         (Symbol_table::define_special_symbol): Get target from
4970         parameters.
4971         * symtab.h (class Symbol_table): Update declaration.
4972         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
4973         parameter.  Change all callers.  Clear parameter target.
4974         (Binary_test): Test target here.
4975         * testsuite/object_unittest.cc (gold_testsuite): Remove
4976         target_test_pointer parameter.  Change all callers.
4977         (Object_test): Test target here.
4978
4979 2009-09-26  Ian Lance Taylor  <iant@google.com>
4980
4981         * testsuite/initpri1.c: Don't try to use constructor priorities if
4982         compiling with gcc before 4.3.
4983
4984 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
4985
4986         * testsuite/retain_symbols_file_test.sh (check_present): Change
4987         output file name to retain_symbols_file_test.stdout.
4988         (check_absent): Likewise.
4989
4990 2009-09-18  Craig Silverstein  <csilvers@google.com>
4991
4992         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
4993         * options.cc: Include <cerrno> and <fstream>.
4994         (General_options::finalize): Parse -retain-symbols-file tag.
4995         * options.h: New flag.
4996         (General_options): New method should_retain_symbol, new
4997         variable symbols_to_retain.
4998         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
4999         should_retain_symbol map.
5000         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5001         * testsuite/Makefile.in: Regenerate.
5002         * testsuite/retain_symbols_file_test.sh: New file.
5003
5004 2009-09-18  Nick Clifton  <nickc@redhat.com>
5005
5006         * po/es.po: Updated Spanish translation.
5007
5008 2009-09-17  Doug Kwan  <dougkwan@google.com>
5009
5010         * debug.h (DEBUG_RELAXATION): New constant.
5011         (DEBUG_ALL): Add DEBUG_RELAXATION.
5012         (debug_string_to_enum): Add relaxation debug option.
5013         * layout.cc
5014         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5015         Layout::Relaxation_debug_check::read_sections,
5016         Layout::Relaxation_debug_check::read_sections): New method definitions.
5017         (Layout::Layout): Initialize data members
5018         record_output_section_data_from_scrips_,
5019         script_output_section_data_list_ and relaxation_debug_check_.
5020         (Layout::save_segments, Layout::restore_segments,
5021         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5022         Layout::relaxation_loop_body): New method definitions.
5023         (Layout::finalize): Support relaxation.  Move section layout code to
5024         Layout::relaxation_loop_body.
5025         (Layout::set_asection_address_from_script): Move code for orphan
5026         section placement out.
5027         (Layout::place_orphan_sections_in_script): New method definition.
5028         * layout.h (Output_segment_headers, Output_file_header):
5029         New forward class declarations.
5030         (Layout::~Layout): Define.
5031         (Layout::new_output_section_data_from_script): New method definition.
5032         (Layout::place_orphan_sections_in_script): New method declaration.
5033         (Layout::Segment_states): New type declaration.
5034         (Layout::save_segments, Layout::restore_segments,
5035         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5036         Layout::relaxation_loop_body): New method declarations.
5037         (Layout::Output_section_data_list): New type declaration.
5038         (Layout::Relaxation_debug_check): New class definition.
5039         (Layout::record_output_section_data_from_script_,
5040         Layout::script_output_section_data_list_, Layout::segment_states_,
5041         Layout::relaxation_debug_check_): New data members.
5042         * output.cc: (Output_section_headers::do_size): New method definition.
5043         (Output_section_headers::Output_section_headers): Move size
5044         computation to Output_section_headers::do_size.
5045         (Output_segment_headers::do_size): New method definition.
5046         (Output_file_header::Output_file_header): Move size computation to
5047         Output_file_header::do_size and call it.
5048         (Output_file_header::do_size): New method definition.
5049         (Output_data_group::Output_data_group): Adjust call to
5050         Output_section_data.
5051         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5052         (Output_symtab_xindex::do_write): Add array bound check.
5053         (Output_section::Input_section::print_to_mapfile): Handle
5054         RELAXED_INPUT_SECTION_CODE.
5055         (Output_section::Output_section): Initialize data member checkpoint_.
5056         (Output_section::~Output_section): Delete checkpoint object pointed
5057         by checkpoint_.
5058         (Output_section::add_input_section): Always add an Input_section if
5059         relaxing.
5060         (Output_section::add_merge_input_section): Add assert.
5061         (Output_section::relax_input_section): New method definition.
5062         (Output_section::set_final_data_size): Set load address to zero for
5063         an unallocated section.
5064         (Output_section::do_address_and_file_offset_have_reset_values):
5065         New method definition.
5066         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5067         Handle relaxed input section.
5068         (Output_section::sort_attached_input_sections): Checkpoint input
5069         section list lazily.
5070         (Output_section::get_input_sections): Change type of input_sections to
5071         list of Simple_input_section pointers.  Checkpoint input section list
5072         lazily.  Also handle relaxed input sections.
5073         (Output_section::add_input_section_for_script): Take a reference to
5074         a Simple_input_section object instead of Relobj pointer and section
5075         index as parameter.  Handle relaxed input sections.
5076         (Output_section::save_states, Output_section::restore_states): New
5077         method definitions.
5078         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5079         (Output_data::is_data_size_fixed): New method definition.
5080         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5081         if it is fixed.
5082         (Output_data::address_and_file_offset_have_reset_values): New method
5083         definition.
5084         (Output_data::do_address_and_file_offset_have_reset_values): New method
5085         definition.
5086         (Output_data::set_data_size): Check that data size is not fixed.
5087         (Output_data::fix_data_size): New method definition.
5088         (Output_data::is_data_size_fixed_): New data member.
5089         (Output_section_headers::set_final_data_size): New method definition.
5090         (Output_section_headers::do_size): New method declaration.
5091         (Output_segment_headers::set_final_data_size): New method definition.
5092         (Output_segment_headers::do_size): New method declaration.
5093         (Output_file_header::set_final_data_size)::New method definition.
5094         (Output_file_header::do_size)::New method declaration.
5095         (Output_section_data::Output_section_data): Add new parameter
5096         is_data_size_fixed and use it to fix data size.
5097         (Output_data_const::Output_data_const): Adjust call to base class
5098         constructor and fix data size.
5099         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5100         base class constructor and fix data size.
5101         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5102         base class constructor and fix data size.
5103         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5104         class constructor and fix data size.
5105         (Output_data_group::set_final_data_size): New method definition.
5106         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5107         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5108         class constructor and fix data size.
5109         (Output_relaxed_input_section): New class definition.
5110         (Output_section::Simple_input_section): New class definition.
5111         (Output_section::get_input_sections): Adjust parameter list.
5112         (Output_section::add_input_section_for_script): Same.
5113         (Output_section::save_states, Output_section::restore_states,
5114         Output_section::do_address_and_file_offset_have_reset_values,
5115         (Output_section::Input_section::Input_section): Handle
5116         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5117         Output_relaxed_input_section.
5118         (Output_section::Input_section::is_input_section,
5119         Output_section::Input_section::set_output_section): Handle relaxed
5120         input section.
5121         (Output_section::Input_section::is_relaxed_input_section,
5122         Output_section::Input_section::output_section_data,
5123         Output_section::Input_section::relaxed_input_section): New method
5124         definitions.
5125         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5126         value.
5127         (Output_section::Input_section::u1_): Update comments.
5128         (Output_section::Input_section::u2_): Add new union member poris.
5129         (Output_section::Checkpoint_output_section): New classs definition.
5130         (Output_section::relax_input_section): New method declaration.
5131         (Output_section::checkpoint_): New data member.
5132         (Output_segment): Update comments.
5133         (Output_segment::Output_segment): Un-privatize copy constructor.
5134         (Output_segment::operator=): Un-privatize.
5135         * script-sections.cc (Output_section_element::Input_section_list):
5136         Change element type to Output_section::Simple_input_section.
5137         (Output_section_element_dot_assignment::set_section_addresses):
5138         Register output section data for relaxation clean up.
5139         (Output_data_exression::Output_data_expression): Adjust call to base
5140         constructor to fix data size.
5141         (Output_section_element_data::set_section_addresses): Register
5142         Output_data_expression object for relaxation clean up.
5143         (struct Input_section_info): Replace Relobj pointer and section index
5144         pair with Output_section::Simple_input_section and Convert struct to a
5145         class.
5146         (Input_section_sorter::operator()): Adjust access to
5147         Input_section_info data member to use accessors.
5148         (Output_section_element_input::set_section_addresses): Use layout
5149         parameter.  Adjust code to use Output_section::Simple_input_section
5150         and Input_secction_info classes.  Register filler for relaxation
5151         clean up.
5152         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5153         and section index pair with Output_section::Simple_input_section
5154         class.  Adjust code accordingly.
5155         (Phdrs_element::release_segment): New method definition.
5156         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5157         segment list.
5158         (Script_sections::release_segments): New method definition.
5159         * gold/script-sections.h (Script_sections::release_segments): New
5160         method declaration.
5161         * gold/target.h (Target::may_relax, Target::relax,
5162         Target::do_may_relax, Target::do_relax): New method definitions.
5163
5164 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5165
5166         * arm.cc (has_signed_unsigned_overflow): New function.
5167         (Arm_relocate_functions::abs8): New function.
5168         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5169         (Target_arm::Scan::global): Likewise.
5170         (Target_arm::relocate::relocate): Likewise.
5171         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5172         Likewise.
5173
5174 2009-09-16  Cary Coutant  <ccoutant@google.com>
5175
5176         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5177         * testsuite/Makefile.in: Regenerate.
5178
5179 2009-09-11  Nick Clifton  <nickc@redhat.com>
5180
5181         * po/gold.pot: Updated by the Translation project.
5182
5183 2009-09-08  Cary Coutant  <ccoutant@google.com>
5184
5185         * output.cc (Output_file::open): Add execute permission to empty file.
5186         * testsuite/Makefile.am (permission_test): New test.
5187         * testsuite/Makefile.in: Regenerate.
5188
5189 2009-09-02  Ian Lance Taylor  <iant@google.com>
5190
5191         * output.cc (Output_file::resize): Call map_no_anonymous rather
5192         than map.
5193
5194 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5195
5196         * gold.cc: Include "incremental.h".
5197         (queue_initial_tasks): Call Incremental_checker methods.
5198         * incremental.cc: Include "output.h".
5199         (Incremental_checker::can_incrementally_link_output_file): New
5200         method.
5201         * incremental.h (Incremental_checker): New class.
5202
5203         * output.cc (Output_file::open_for_modification): New method.
5204         (Output_file::map_anonymous): Changed return type to bool.  Record
5205         map in base_ field.
5206         (Output_file::map_no_anonymous): New method, broken out of map.
5207         (Output_file::map): Use map_no_anonymous and map_anonymous.
5208         * output.h (class Output_file): Update declarations.
5209
5210 2009-08-24  Cary Coutant  <ccoutant@google.com>
5211
5212         * options.h (Command_line::Pre_options): New class.
5213         (Command_line::pre_options): New member.
5214         * options.cc (gold::options::ready_to_register): New variable.
5215         (One_option::register_option): Do nothing if not registering options.
5216         Assert if same short option registered twice.
5217         (General_options::General_options): Turn off option registration when
5218         done constructing.
5219         (Command_line::Pre_options::Pre_options): New constructor.
5220
5221 2009-08-24  Cary Coutant  <ccoutant@google.com>
5222
5223         * options.h (General_options::no_keep_memory): Remove incorrect
5224         short option.
5225
5226 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5227
5228         * Makefile.am (am__skiplex, am__skipyacc): New.
5229         * Makefile.in: Regenerate.
5230
5231 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5232
5233         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5234         (INCLUDES): ... this.
5235         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5236         (AM_CPPFLAGS): Renamed from ...
5237         (INCLUDE): ... this.
5238         * Makefile.in, testsuite/Makefile.in: Regenerate.
5239
5240         * Makefile.in: Regenerate.
5241         * aclocal.m4: Likewise.
5242         * config.in: Likewise.
5243         * configure: Likewise.
5244         * testsuite/Makefile.in: Likewise.
5245
5246         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5247         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5248         * Makefile.in: Regenerate.
5249         * testsuite/Makefile.in: Regenerate.
5250
5251 2009-08-19  Cary Coutant  <ccoutant@google.com>
5252
5253         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5254         symbols in shared libraries overridden by hidden or internal symbols
5255         in the main program.
5256
5257 2009-08-19  Chris Demetriou  <cgd@google.com>
5258
5259         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5260         checking source file names in error messages.
5261
5262 2009-08-18  Doug Kwan  <dougkwan@google.com>
5263
5264         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5265         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5266         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5267         an elfcpp::Ehdr as parameter.
5268         * object.cc (Object::set_target): Remove the version that looks up
5269         a target and sets it.
5270         (Sized_relobj::setup): Take a Target object instead of
5271         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5272         (make_elf_sized_object): Find target and ask target to
5273         make an ELF object.
5274         * object.h: (Object::set_target): Remove the version that looks up
5275         a target and sets it.
5276         (Sized_relobj::setup): Take a Target object instead of
5277         an elfcpp:Ehdr as parameter.
5278         * target.cc: Include dynobj.h.
5279         (Target::do_make_elf_object_implementation): New.
5280         (Target::do_make_elf_object): New.
5281         * target.h (Target::make_elf_object): New template declaration.
5282         (Target::do_make_elf_object): New method declarations.
5283         (Target::do_make_elf_object_implementation): New template declaration.
5284
5285 2009-08-14  Ian Lance Taylor  <iant@google.com>
5286
5287         * gold.h (FUNCTION_NAME): Define.
5288         (gold_unreachable): Use FUNCTION_NAME.
5289
5290 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5291
5292         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5293         symbol in the --keep-unique list is not found.
5294
5295 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5296
5297         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5298         been maked as --keep-unique.
5299         (Icf::unfold_section): New function.
5300         * icf.h (Icf::unfold_section): New function.
5301         * options.h (General_options::keep_unique): New option.
5302         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5303         * testsuite/Makefile.in: Regenerate.
5304         * testsuite/icf_keep_unique_test.sh: New file.
5305         * testsuite/icf_keep_unique_test.cc: New file.
5306
5307 2009-08-12  Cary Coutant  <ccoutant@google.com>
5308
5309         PR 10471
5310         * resolve.cc (Symbol_table::resolve): Check for references from
5311         dynamic objects to hidden and internal symbols.
5312         * testsuite/Makefile.am (hidden_test.sh): New test.
5313         * testsuite/Makefile.in: Regenerate.
5314         * testsuite/hidden_test.sh: New script.
5315         * testsuite/hidden_test_1.c: New test source.
5316         * testsuite/hidden_test_main.c: New test source.
5317
5318 2009-08-11  Doug Kwan  <dougkwan@google.com>
5319
5320         * arm.cc: Update comments.
5321         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5322         segment to locate the .ARM.exidx section if present.
5323
5324 2009-08-09  Doug Kwan  <dougkwan@google.com>
5325
5326         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5327         patch.
5328
5329 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5330         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5331         compiler warnings.
5332
5333 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5334
5335         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5336         valid tls_segment only for non-debug-section relocations.
5337         * testsuite/Makefile.am: Add gc_tls_test.
5338         * testsuite/Makefile.in: Regenerate.
5339         * testsuite/gc_tls_test.cc: New file.
5340         * testsuite/gc_tls_test.sh: New file.
5341
5342 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5343
5344         * icf.cc: New file.
5345         * icf.h: New file.
5346         * Makefile.am (CCFILES): Add icf.cc.
5347         (HFILES): Add icf.h
5348         * Makefile.in: Regenerate.
5349         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5350         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5351         section, symbol and addend information for the relocs.
5352         * gold.cc (queue_middle_tasks): Call identical code folding.
5353         * gold.h: Add defines for multimap.
5354         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5355         to the call of finalize_local_symbols.
5356         * main.cc (main): Create object of class Icf.
5357         * object.cc (Sized_relobj::do_layout): Allow this function to be
5358         called twice during icf.
5359         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5360         to sections marked as identical by icf.
5361         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5362         when available.
5363         (Sized_relobj::do_section_entsize): New function.
5364         * object.h (Object::section_entsize): New function.
5365         (Object::do_section_entsize): New pure virtual function.
5366         (Relobj::finalize_local_symbols): Add new parameter.
5367         (Relobj::do_section_entsize): New function.
5368         * options.h (General_options::icf): New option.
5369         (General_options::icf_iterations): New option.
5370         (General_options::print_icf_sections): New option.
5371         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5372         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5373         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5374         icf.
5375         * symtab.cc (Symbol_table::is_section_folded): New function.
5376         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5377         to sections marked as identical by icf.
5378         * symtab.h (Symbol_table::set_icf): New function.
5379         (Symbol_table::icf): New function.
5380         (Symbol_table::is_section_folded): New function.
5381         (Symbol_table::icf_): New data member.
5382         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5383         * testsuite/Makefile.am: Add commands to build icf_test.
5384         * testsuite/Makefile.in: Regenerate.
5385         * testsuite/icf_test.sh: New file.
5386         * testsuite/icf_test.cc: New file.
5387
5388 2009-07-24  Chris Demetriou  <cgd@google.com>
5389
5390         * layout.cc (is_compressible_debug_section): Fix incorrect
5391         comment about compressed section names.
5392
5393 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5394
5395         PR 10419
5396         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5397
5398 2009-07-16  Ian Lance Taylor  <iant@google.com>
5399
5400         PR 10400
5401         * layout.h: #include <map>.
5402         (class Kept_section): Change from struct to class.  Add accessors
5403         and setters.  Add section size to Comdat_group mapping.  Change
5404         Comdat_group to std::map.  Add is_comdat_ field.  Add
5405         linkonce_size field in union.
5406         (class Layout): Update declaration of find_or_add_kept_section.
5407         Don't declare find_kept_object.
5408         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5409         parameter.  Add object, shndx, is_comdat, and is_group_name
5410         parameters.  Change all callers.  Adjust for new Kept_section.
5411         (Layout::find_kept_object): Remove.
5412         * object.cc (Sized_relobj::include_section_group): Update use of
5413         Kept_section.  Rename secnum to shndx.  Only record
5414         Kept_comdat_section if sections are the same size.
5415         (Sized_relobj::include_linkonce_section): Update use of
5416         Kept_section.  Only record Kept_comdat_section if sections are the
5417         same size.  Set size of linkonce section.
5418         (Sized_relobj::map_to_kept_section): Update call to
5419         get_kept_comdat_section.
5420         * object.h (class Sized_relobj): Rename fields in
5421         Kept_comdat_section to drop trailing underscores; change object
5422         field to Relobj*.  Change Kept_comdat_section_table to store
5423         struct rather than pointer.
5424         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5425         Add kept_object and kept_shndx parameters.  Change all callers.
5426         (Sized_relobj::get_kept_comdat_section): Change return type to
5427         bool.  Add kept_object and kept_shndx parameters.  Change all
5428         callers.
5429         * plugin.cc (Pluginobj::include_comdat_group): Update call to
5430         Layout::find_or_add_kept_section.
5431
5432 2009-07-09  Ian Lance Taylor  <iant@google.com>
5433
5434         * merge.cc (Object_merge_map::initialize_input_to_output_map):
5435         Reserve space in the hash table.
5436
5437 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
5438
5439         * fileread.cc (File_read::get_mtime): New method.
5440         * fileread.h (Timespec): New structure.
5441         (File_read::get_mtime): New method.
5442         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5443         Renamed from timestamp_nsec.
5444         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5445         Elf_Xword.
5446         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5447         timestamp_nsec.
5448         (Incremental_inputs::report_archive): Save mtime; style fix.
5449         (Incremental_inputs::report_obejct): Save mtime; style fix.
5450         (Incremental_inputs::report_script): Save mtime; style fix.
5451         (Incremental_inputs::finalize_inputs): Style fix.
5452         (Incremental_inputs::finalize): Style fix.
5453         (Incremental_inputs::create_input_section_data): Store inputs
5454         mtime.
5455         * incremental.h (Incremental_inputs::report_script): Add mtime
5456         argument.
5457         (Incremental_inputs::Input_info::Input_info): Intialize only one
5458         union member.
5459         (Incremental_inputs::Input_info::archive): Move to nameless
5460         union.
5461         (Incremental_inputs::Input_info::obejct): Move to nameless union.
5462         (Incremental_inputs::Input_info::script): Move to nameless union.
5463         (Incremental_inputs::mtime): New field.
5464         * script.cc (read_input_script): Pass file mtime to
5465         Incremental_input.
5466         * script.h (Script_info::inputs): Style fix.
5467
5468 2009-07-01  Ian Lance Taylor  <ian@airs.com>
5469
5470         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
5471         instead of 32.
5472
5473 2009-06-24  Ian Lance Taylor  <iant@google.com>
5474
5475         PR 10156
5476         * layout.cc (Layout::choose_output_section): If we find an
5477         existing section, update the flags.
5478         (Layout::create_notes): New function, broken out of
5479         Layout::finalize.
5480         (Layout::finalize): Don't create note sections.
5481         (Layout::create_note): Don't crash if linker script discards
5482         section.
5483         (Layout::create_gold_note): Likewise.
5484         (Layout::create_build_id): Likewise.  Don't set
5485         after_input_sections on the section.
5486         (Layout::create_executable_stack_info): Remove target parameter.
5487         Change caller.
5488         * layout.h (class Layout): Declare create_notes.  Update
5489         declaration of create_executable_stack_info.
5490         * gold.cc (queue_middle_tasks): Call create_notes.
5491         * output.cc (Output_section::update_flags_for_input_section): Move
5492         here from output.h.  If SHF_ALLOC flag is newly set, mark address
5493         invalid.
5494         * output.h (Output_data::mark_address_invalid): New function.
5495         (class Output_section): Only declare, not define,
5496         update_flags_for_input_section.  Remove set_flags.
5497
5498 2009-06-24  Ian Lance Taylor  <iant@google.com>
5499
5500         * script-sections.cc (Output_section_definition::
5501         set_section_addresses): Rename shadowing local load_address to
5502         laddr.
5503
5504 2009-06-24  Ian Lance Taylor  <iant@google.com>
5505
5506         PR 10244
5507         * reloc.cc (relocate_sections): Skip empty relocation sections.
5508
5509 2009-06-23  Ian Lance Taylor  <iant@google.com>
5510
5511         PR 10156
5512         * layout.cc (Layout::create_note): Use choose_output_section
5513         rather than make_output_section.
5514
5515 2009-06-23  Ian Lance Taylor  <iant@google.com>
5516
5517         PR 10237
5518         * options.cc (General_options::parse_V): Set printed_version_.
5519         (General_options::General_options): Initialize printed_version_.
5520         * options.h (class General_options): Add printed_version_ field.
5521         * gold.cc (queue_initial_tasks): If there are no input files,
5522         don't give a fatal error if we printed the version information.
5523         (queue_middle_tasks): If using -r with a shared object, give a
5524         fatal error rather than an ordinary error.
5525
5526 2009-06-23  Ian Lance Taylor  <iant@google.com>
5527
5528         PR 10219
5529         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
5530         (Layout::make_output_section): Set have_stabstr_section_ if we see
5531         a .stab*str section.
5532         (Layout::finalize): Call link_stabs_sections.
5533         (Layout::link_stabs_sections): New file.
5534         * layout.h (class Layout): Add have_stabstr_section_ field.
5535         Declare link_stabs_sections.
5536
5537 2009-06-23  Doug Kwan  <dougkwan@google.com>
5538
5539         * Makefile.am (libgold_a_LIBADD): New.
5540         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
5541         * Makefile.in: Regenerate.
5542         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
5543         * configure: Regenerate.
5544         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
5545         * fileread.cc: Include sys/state.h
5546         * gold.h: Declare memmem and strndup if found missing.
5547         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
5548
5549 2009-06-23  Ian Lance Taylor  <iant@google.com>
5550
5551         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
5552         * configure: Rebuild.
5553
5554 2009-06-23  Ian Lance Taylor  <iant@google.com>
5555
5556         PR 10147
5557         * object.cc (Object::section_contents): Don't try to get a view if
5558         the section has length zero.
5559         (Object::handle_gnu_warning_section): If the section is empty, use
5560         the name of the section as the warning.
5561
5562 2009-06-23  Ian Lance Taylor  <iant@google.com>
5563
5564         PR 10133
5565         * stringpool.h (class Stringpool_template): Add optimize_ field.
5566         (Stringpool_template::set_optimize): New function.
5567         * stringpool.cc (Stringpool_template::Stringpool_template):
5568         Initialize optimize_ field.
5569         (Stringpool_template::set_string_offsets): Test local optimize
5570         fild rather than parameter.
5571         * layout.cc (Layout::Layout): Call set_optimize on the section
5572         name stringpool.
5573
5574 2009-06-22  Ian Lance Taylor  <iant@google.com>
5575
5576         PR 10030
5577         * yyscript.y: Parse TARGET.
5578         * script.cc (script_set_target): New function.
5579         * script-c.h (script_set_target): Declare.
5580         * options.cc (General_options::string_to_object_format): Rename
5581         from string_to_object_format in anonymous namespace.  Change
5582         callers.
5583         * options.h (class General_options): Declare
5584         string_to_object_format.
5585
5586 2009-06-22  Ian Lance Taylor  <iant@google.com>
5587
5588         * script-sections.cc (Script_sections::create_segments): Don't put
5589         program headers in a PT_LOAD segment if -n or -N.
5590
5591 2009-06-22  Ian Lance Taylor  <iant@google.com>
5592
5593         PR 10141
5594         * options.h (class General_options): Add -z lazy and -z now.  Sort
5595         -z options into alphabetical order.
5596         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
5597
5598 2009-06-21  Ian Lance Taylor  <iant@google.com>
5599
5600         * layout.cc (Layout::make_output_section): Call
5601         Target::new_output_section.
5602         (Layout::attach_allocated_section_to_segment): Put large section
5603         sections in a separate load segment with the large segment flag
5604         set.
5605         (Layout::segment_precedes): Sort large data segments after other
5606         load segments.
5607         (align_file_offset): New static function.
5608         (Layout::set_segment_offsets): Use align_file_offset.
5609         * output.h (class Output_section): Add is_small_section_ and
5610         is_large_section_ fields.
5611         (Output_section::is_small_section): New function.
5612         (Output_section::set_is_small_section):  New function.
5613         (Output_section::is_large_section): New function.
5614         (Output_section::set_is_large_section): New function.
5615         (Output_section::is_large_data_section): New function.
5616         (class Output_segment): Add is_large_data_segment_ field.
5617         (Output_segment::is_large_data_segment): New function.
5618         (Output_segment::set_is_large_data_segment): New function.
5619         * output.cc (Output_section::Output_section): Initialize new
5620         fields.
5621         (Output_segment::Output_segment): Likewise.
5622         (Output_segment::add_output_section): Add assertion that large
5623         data sections always go in large data segments.  Force small data
5624         sections to the end of the list of data sections.  Force small BSS
5625         sections to the start of the list of BSS sections.  For large BSS
5626         sections to the end of the list of BSS sections.
5627         * symtab.h (class Symbol): Declare is_common_shndx.
5628         (Symbol::is_defined): Check Symbol::is_common_shndx.
5629         (Symbol::is_common): Likewise.
5630         (class Symbol_table): Define enum Commons_section_type.  Update
5631         declarations.  Add small_commons_ and large_commons_ fields.
5632         * symtab.cc (Symbol::is_common_shndx): New function.
5633         (Symbol_table::Symbol_table): Initialize new fields.
5634         (Symbol_table::add_from_object): Put small and large common
5635         symbols in the right list.
5636         (Symbol_table::sized_finalized_symbol): Check
5637         Symbol::is_common_shndx.
5638         (Symbol_table::sized_write_globals): Likewise.
5639         * common.cc (Symbol_table::do_allocate_commons): Allocate new
5640         common symbol lists.  Don't call do_allocate_commons_list if the
5641         list is empty.
5642         (Symbol_table::do_allocate_commons_list): Remove is_tls
5643         parameter.  Add comons_section_type parameter.  Change all
5644         callers.  Handle small and large common symbols.
5645         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
5646         Symbol::is_common_shndx.
5647         * resolve.cc (symbol_to_bits): Likewise.
5648         * target.h (Target::small_common_shndx): New function.
5649         (Target::small_common_section_flags): New function.
5650         (Target::large_common_shndx): New function.
5651         (Target::large_common_section_flags): New function.
5652         (Target::new_output_section): New function.
5653         (Target::Target_info): Add small_common_shndx, large_common_shndx,
5654         small_common_section_flags, and large_common_section_flags
5655         fields.
5656         (Target::do_new_output_section): New virtual function.
5657         * arm.cc (Target_arm::arm_info): Initialize new fields.
5658         * i386.cc (Target_i386::i386_info): Likewise.
5659         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
5660         Likewise.
5661         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
5662         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5663         (Target_x86_64::do_new_output_section): New function.
5664         * configure.ac: Define conditional MCMODEL_MEDIUM.
5665         * testsuite/Makefile.am (check_PROGRAMS): Add large.
5666         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
5667         (large_LDFLAGS): Define.
5668         * testsuite/large.c: New file.
5669         * testsuite/testfile.cc (Target_test::test_target_info):
5670         Initialize new fields.
5671         * configure, testsuite/Makefile.in: Rebuild.
5672
5673 2009-06-05  Doug Kwan  <dougkwan@google.com>
5674
5675         * Makefile.am (CCFILES): Add target.cc.
5676         * Makefile.in: Regenerate.
5677         * i386.cc (class Target_i386): Define new virtual method to
5678         override do_is_local_label_name in parent.
5679         * object.cc (Sized_relobj::do_count_local_symbols): Discard
5680         local symbols if --discard-locals or -X is given.
5681         * options.h (class General_options): Declare new options
5682         '--discard-locals' and '-X' for discarding locals.
5683         * target.h (class Target): Define new methods is_local_label_name.
5684         Declare new virtual method do_is_local_label_name.
5685         * target.cc: New file.
5686         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
5687         (check_SCRIPTS): Add discard_locals_test.sh.
5688         (check_DATA): Add discard_local_tests.syms.
5689         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
5690         (discard_local_tests.syms, discard_locals_test.o): New make rules.
5691         * testsuite/Makefile.in: Regenerate.
5692         * testsuite/discard_locals_test.c: New file.
5693         * testsuite/discard_locals_test.sh: Same.
5694
5695 2009-06-05  Doug Kwan  <dougkwan@google.com>
5696
5697         * object.cc (Sized_relobj::Sized_relobj): Initialize
5698         discarded_eh_frame_shndx_ to -1U.
5699         (Sized_relobj::do_layout): Record index of a discard .eh_frame
5700         section.
5701         (Sized_relobj::do_count_local_symbols): Skip local symbols in
5702         a discarded .eh_frame section.
5703         (Sized_relobj::do_finalize_local_symbols): Ditto.
5704         * object.h (class Sized_relobj): Declare new member
5705         discarded_eh_frame_shndx_.
5706         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
5707         (local_labels_test.o, local_labels_test): New rules.
5708         * testsuite/Makefile.in: Regenerate.
5709
5710 2009-06-04  Doug Kwan  <dougkwan@google.com>
5711
5712         * layout.cc (Layout::section_name_mapping): Add mapping for
5713         special ARM sections.
5714
5715 2009-06-03  Doug Kwan  <dougkwan@google.com>
5716
5717         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
5718         (utils::has_overflow): Same.
5719
5720 2009-06-03  Ian Lance Taylor  <iant@google.com>
5721
5722         * layout.cc (Layout::section_name_mapping): New array, replacing
5723         Layout::linkonce_mapping.
5724         (Layout::section_name_mapping_count): New variable, replacing
5725         Layout::linkonce_mapping_count.
5726         (Layout::linkonce_output_name): Remove.
5727         (Layout::output_section_name): Rewrite.
5728         * layout.h (class Layout): Rename Linkonce_mapping to
5729         Section_name_mapping, linkonce_mapping to section_name_mapping,
5730         linkonce_mapping_count to section_name_mapping_count.  Don't
5731         declare linkonce_output_name.
5732
5733 2009-06-03  Doug Kwan  <dougkwan@google.com>
5734
5735         * gold/arm.cc (namespace utils): New.
5736         (Target_arm::reloc_is_non_pic): Define new method.
5737         (class Arm_relocate_functions): New.
5738         (Target_arm::Relocate::relocate): Handle relocation types used by
5739         Android.
5740
5741 2009-06-03  Ian Lance Taylor  <iant@google.com>
5742
5743         * arm.cc (Target_arm::scan::global): Use || instead of |.
5744
5745 2009-06-02  Doug Kwan  <dougkwan@google.com>
5746
5747         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
5748         issued_non_pic_error_.
5749         (class Target_arm::Scan): Declare new method check_non_pic.
5750         Define new method symbol_needs_plt_entry.
5751         Declare new data member issued_non_pic_error_.
5752         (class Target_arm::Relocate): Declare new method
5753         should_apply_static_reloc.
5754         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
5755         (Target_arm::Scan::check_non_pic): Define new method.
5756         (Target_arm::Scan::local): Handle a small subset of reloc types used
5757         by Android.
5758         (Target_arm::Scan::local): Same.
5759         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
5760
5761 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
5762
5763         * incremental.cc (Incremental_inputs::report_command_line): Filter
5764         out --incremental-* options.
5765
5766 2009-05-29  Doug Kwan  <dougkwan@google.com>
5767
5768         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
5769         template class.
5770         (class Target_arm): Update comment.
5771         (Target_arm::Target_arm): Initialize new data members GOT_,
5772         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
5773         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
5774         and Target_arm::rel_dyn_section.
5775         Declare new_enum Target_arm::Got_type.
5776         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
5777         and DYNBSS_.
5778         Update commments for member do_dynsym_value.
5779         (Target_arm::got_size, Target_arm::plt_section,
5780         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
5781         new methods inside class defintion.
5782         (Target_arm::got_section): Define new method.
5783         (Target_arm::rel_dyn_section): Same.
5784         (Output_data_plt_arm): New template class.
5785         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
5786         (Output_data_plt_arm:do_adjust_output_section): Define new method.
5787         (Output_data_plt_arm::add_entry): Same.
5788         (Output_data_plt_arm::first_plt_entry): Define new
5789         static data member for PLT instruction template.
5790         (Output_data_plt_arm::plt_entry): Same.
5791         (Output_data_plt_arm::do_write): Define new method.
5792         (Target_arm::make_plt_entry): Same.
5793         (Target_arm::do_finalize_sections): Same.
5794         (Target_arm::do_dynsym_value): Same.
5795
5796 2009-05-28  Doug Kwan  <dougkwan@google.com>
5797
5798         * Makefile.am (TARGETSOURCES): Add arm.cc.
5799         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
5800         * Makefile.in: Regenerate.
5801         * arm.cc: New file.
5802         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
5803
5804 2009-05-26  Doug Kwan  <dougkwan@google.com>
5805
5806         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
5807         (General_options::check_excluded_libs): Strip off directories in
5808         archive name before matching like GNU ld does.
5809         * testsuite/Makefile.am (MOSTLYCLEANFILES,
5810         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
5811         (exclude_libs_test_LDFLAGS): Add linker option
5812         -Wl,--exclude-libs,libexclude_libs_test_3
5813         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
5814         an explicit archive without using -l.
5815         (alt/libexclude_libs_test_3.a): New make rule.
5816         * testsuite/Makefile.in: Regenerate.
5817         * testsuite/exclude_libs_test.c : Declare lib3_default().
5818         (main): Call it.
5819         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
5820         * exclude_libs_test_3.c: New file.
5821
5822 2009-05-26  Nick Clifton  <nickc@redhat.com>
5823
5824         * po/id.po: New Indonesian translation.
5825         * po/gold.pot: Updated template file.
5826
5827 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
5828
5829         * testsuite/Makefile.am: Add -ffunction-sections to compile
5830         gc_comdat_test files.  Add -Wl,--gc-sections to build
5831         gc_comdat_test.
5832         * testsuite/Makefile.in: Regenerate.
5833         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
5834
5835 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
5836
5837         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
5838         kept comdat section was garbage collected.
5839         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
5840         * testsuite/Makefile.in: Regenerate.
5841         * testsuite/gc_comdat_test.sh: New file.
5842         * testsuite/gc_comdat_test_1.cc: New file.
5843         * testsuite/gc_comdat_test_2.cc: New file.
5844
5845 2009-05-19  Doug Kwan  <dougkwan@google.com>
5846
5847         * archive.cc (Archive::Archive): Move constructor from archive.h
5848         to here.  Initialize no_export_.
5849         (Archive::get_elf_object_for_member): Set no_export flag of object.
5850         * archive.h (Archive::Archive): Move constructor body to
5851         archive.cc.
5852         (Archive::no_export): New method.
5853         (Archive::no_export_): New field.
5854         * object.h (Object::Object): Initialize no_export_ to false.
5855         (Object::no_export, Object::set_no_export): New methods.
5856         (Object::no_export_): New field.
5857         * options.cc (General_options::parse_exclude_libs): New method.
5858         (General_options::check_excluded_libs) Same.
5859         * options.h (exclude_libs): New option.
5860         (General_options::check_excluded_libs): New method declaration.
5861         (General_options::excluded_libs_): New field.
5862         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
5863         default or protected visibility if an object has no-export flag set.
5864         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
5865         (check_SCRIPTS): Add exclude_libs_test.sh.
5866         (check_DATA): Add exclude_libs_test.syms.
5867         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
5868         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
5869         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
5870         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
5871         (exclude_libs_test.syms, libexclude_libs_test_1.a,
5872         libexclude_libs_test_2.a): New rules.
5873         * testsuite/Makefile.in: Regenerate.
5874         * testsuite/exclude_libs_test.c: New file.
5875         * testsuite/exclude_libs_test.sh: Ditto.
5876         * testsuite/exclude_libs_test_1.c: Ditto.
5877         * testsuite/exclude_libs_test_2.c: Ditto.
5878
5879 2009-05-15  Ian Lance Taylor  <iant@google.com>
5880
5881         * configure.ac: Check for declarations for cases where libiberty.h
5882         checks HAVE_DECL_xxx.
5883         * configure, config.in: Rebuild.
5884
5885 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
5886
5887         * gold.h (Incremental_argument_list): Remove (invalid) forward
5888         declaration.
5889         * incremental.cc (Incremental_inputs::report_achive): New method.
5890         (Incremental_inputs::report_object): New method.
5891         (Incremental_inputs::report_script): New method.
5892         (Incremental_inputs::finalize_inputs): New method.
5893         (Incremental_inputs::finalize): Call finalize_inputs().
5894         (Incremental_inputs::sized_create_incremental_inputs_section_data):
5895         Create inputs entries.
5896         * incremental.h (Incremental_input_type): New enum.
5897         (Incremental_inputs::Incremental_input): Initialize new fields.
5898         (Incremental_inputs::report_inputs): New method.
5899         (Incremental_inputs::report_achive): New method.
5900         (Incremental_inputs::report_object): New method.
5901         (Incremental_inputs::report_script): New method.
5902         (Incremental_inputs::finalize_inputs): New method.
5903         (Incremental_inputs::Input_info): New struct.
5904         (Incremental_inputs::Input_info_map): New typedef.
5905         (Incremental_inputs::lock_): New field.
5906         (Incremental_inputs::Inputs_): New field.
5907         (Incremental_inputs::Inputs_map): New field.
5908         * main.cc (main): Call Incremental_input::report_inputs.
5909         * options.h (Input_argument_list): Typedef moved from
5910         Input_arguments.
5911         (Input_file_group::Files): Remove, use ::Input_argument_list.
5912         (Input_file_group::Input_argument_list): Remove, use
5913         ::Input_argument_list.
5914         * plugin.cc (Plugin_manager::add_input_file): Add error in
5915         incremental build.
5916         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
5917         functions.
5918         * script.cc (read_input_script): Call
5919         Incremental_input::report_script.
5920         * script.h (Script_info): New class.
5921
5922 2009-04-27  Ian Lance Taylor  <iant@google.com>
5923
5924         * x86_64.cc (do_adjust_output_section): Set entsize to
5925         plt_entry_size.
5926
5927 2009-04-23  Elliott Hughes  <enh@google.com>
5928
5929         * output.cc (Output_file::close): After short writes, continue
5930         writing from the correct offset in the buffer being written.
5931
5932 2009-04-23  Chris Demetriou  <cgd@google.com>
5933
5934         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
5935         * configure: Regenerate.
5936         * config.in: Regenerate.
5937         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
5938         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
5939
5940 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
5941
5942         * incremental.cc (Incremental_inputs_header_data): Renamed from
5943         Incremental_input_header_data.
5944         (Incremental_inputs_header_data::data_size): New field.
5945         (Incremental_inputs_header_data::put_input_file_count): Renamed
5946         from input_file_count.
5947         (Incremental_inputs_header_data::put_command_line_offset): Renamed
5948         from command_line_offset.
5949         (Incremental_inputs_header_data::put_reserved): Renamed from
5950         put_reserved.
5951         (Incremental_inputs_entry_data): Renamed from
5952         Incremental_input_entry_data.
5953         (Incremental_inputs_entry_data::data_size): New field.
5954         (Incremental_inputs::report_command_line): New method.
5955         (Incremental_inputs::finalize): New method.
5956         (Incremental_inputs::create_incremental_inputs_data): New method.
5957         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
5958         * incremental.h: New file.
5959         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
5960        (Layout::finalize): Create incremental inputs section in
5961         incremental builds.
5962        (Layout::create_incremental_info_sections): New method.
5963         * layout.h (Layout::incremental_inputs): New method.
5964        (Layout::create_incremental_info_sections): New method.
5965        (Layout::incremental_inputs_): New field.
5966         * main.cc (main): Notify Incremental_input of the command line.
5967
5968 2009-04-01  Ian Lance Taylor  <iant@google.com>
5969             Mikolaj Zalewski  <mikolajz@google.com>
5970
5971         * gold.h (reserve_unordered_map): Define, three versions, one for
5972         each version of Unordered_map.
5973         * layout.cc (Layout::Layout): Remove options parameter.  Add
5974         number_of_input_files parameter.  Don't initialize options_.
5975         Initialize number_of_input_files_ and resized_signatures_.  Move
5976         sections_are_attached_.
5977         (Layout::layout_group): Reserve space for group_signatures_.
5978         (Layout::find_or_add_kept_section): Change name parameter to be a
5979         reference.  Resize signatures_ map when it gets large enough.
5980         (Layout::layout_eh_frame): Use parameters->options() instead of
5981         this->options_.
5982         (Layout::make_output_section): Likewise.
5983         (Layout::attach_allocated_section_to_segment): Likewise.
5984         (Layout::finalize, Layout::create_executable_stack): Likewise.
5985         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
5986         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
5987         * layout.h (class Layout): Update declarations.  Remove options_
5988         field.  Add number_of_input_files_ and resized_signatures_
5989         fields.  Move sections_are_attached_ field.
5990         * main.cc (main): Pass number of input files to Layout
5991         constructor.  Don't pass options.
5992
5993 2009-03-30  Ian Lance Taylor  <iant@google.com>
5994
5995         * ffsll.c (ffsll): Correct implementation.
5996
5997 2009-03-27  Ian Lance Taylor  <iant@google.com>
5998
5999         * ffsll.c: New file.
6000         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6001         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6002         * ftruncate.c (ftruncate): Declare before definition.
6003         * mremap.c (mremap): Likewise.
6004         * pread.c (pread): Likewise.
6005         * configure, Makefile.in, config.in: Rebuild.
6006
6007         * mremap.c: New file.
6008         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6009         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6010         (mremap): Declare if HAVE_MREMAP is not defined.
6011         * configure, Makefile.in, config.in: Rebuild.
6012
6013 2009-03-27  Cary Coutant  <ccoutant@google.com>
6014
6015         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6016         position independent.
6017         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6018         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6019
6020 2009-03-24  Cary Coutant  <ccoutant@google.com>
6021
6022         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6023         an executable.
6024         (needs_dynamic_reloc): Likewise.
6025
6026 2009-03-24  Ian Lance Taylor  <iant@google.com>
6027
6028         * yyscript.y (file_cmd): Recognize EXTERN.
6029         (extern_name_list, extern_name_list_body): New nonterminals.
6030         * script.cc (script_add_extern): Define.
6031         * script-c.h (script_add_extern): Declare.
6032
6033 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6034
6035         * object.cc (is_elf_object): Define.
6036         * object.h (is_elf_object): Declare.
6037         * archive.cc (Archive::get_elf_object_for_member): Call
6038         is_elf_object.
6039         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6040
6041 2009-03-24  Elliott Hughes  <enh@google.com>
6042
6043         * output.cc (Output_file::map_anonymous): Define.
6044         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6045         try an anonymous one.  Report the size if the mmap fails.
6046         * output.h (class Output_file): Declare map_anonymous.
6047
6048 2009-03-24  Ian Lance Taylor  <iant@google.com>
6049
6050         * target-select.cc (instantiate_target): Don't acquire the lock if
6051         the instantiated_target_ field has already been set.
6052
6053 2009-03-23  Ian Lance Taylor  <iant@google.com>
6054
6055         * gold-threads.h (class Initialize_lock): Define.
6056         * gold-threads.cc (class Initialize_lock_once): Define.
6057         (initialize_lock_control): New static variable.
6058         (initialize_lock_pointer): New static variable.
6059         (initialize_lock_once): New static function.
6060         (Initialize_lock::Initialize_lock): Define.
6061         (Initialize_lock::initialize): Define.
6062         * target-select.h: Include "gold-threads.h".
6063         (class Target_selector): Add lock_ and initialize_lock_ fields.
6064         Don't define instantiate_target, just declare it.
6065         * target-select.cc (Target_selector::Target_selector): Initialize
6066         new fields.
6067         (Target_selector::instantiate_target): Define.
6068         * descriptors.h: Include "gold-threads.h".
6069         (class Descriptors): Add initialize_lock_ field.
6070         * descriptors.cc (Descriptors::Descriptors): Initialize new
6071         field.
6072         (Descriptors::open): Use initialize_lock_ field
6073         * errors.h (class Errors): Add initialize_lock_ field.
6074         * errors.cc (Errors::Errors): Initialize new field.
6075         (Errors::initialize_lock): Use initialize_lock_ field.
6076         * powerpc.cc (class Target_selector_powerpc): Remove
6077         instantiated_target_ field.  In do_recognize call
6078         instantiate_target rather than do_instantiate_target.  In
6079         do_instantiate_target just allocate a new target.
6080         * sparc.cc (class Target_selector_sparc): Likewise.
6081
6082         * freebsd.h: New file.
6083         * i386.cc: Include "freebsd.h".
6084         (Target_i386): Derive from Target_freebsd rather than
6085         Sized_target.
6086         (Target_selector_i386): Derive from Target_selector_freebsd rather
6087         than Target_selector.
6088         * x86_64.cc: Include "freebsd.h".
6089         (Target_x86_64): Derive from Target_freebsd rather than
6090         Sized_target.
6091         (Target_selector_x86_64): Derive from Target_selector_freebsd
6092         rather than Target_selector.
6093         * target.h (class Target): Add adjust_elf_header and
6094         do_adjust_elf_header.
6095         * output.cc (Output_file_header:: do_sized_write): Call target
6096         adjust_elf_header routine.
6097         * configure.tgt: Set targ_osabi.
6098         * configure.ac: Define GOLD_DEFAULT_OSABI.
6099         * parameters.cc (Parameters::default_target): Pass
6100         GOLD_DEFAULT_OSABI to select_target.
6101         * target-select.h (class Target_selector): Make instantiate_target
6102         protected rather than private.
6103         * Makefile.am (HFILES): Add freebsd.h.
6104         * configure, Makefile.in, config.in: Rebuild.
6105
6106         * merge.cc (do_add_input_section): Correct pend value.  Change
6107         message about last entry not being null terminated from error to
6108         warning.
6109
6110 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6111
6112         * incremental.cc: New file.
6113         * Makefile.am (CCFILES): Add incremental.cc.
6114         * Makefile.in: Rebuild.
6115
6116 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6117
6118         * layout.cc (Layout::output_section_name): Preserve names
6119         of '.note.' sections.
6120
6121 2009-03-19  Ian Lance Taylor  <iant@google.com>
6122
6123         * descriptors.cc (Descriptors::open): Check that the options are
6124         valid before using them.
6125
6126 2009-03-18  Ian Lance Taylor  <iant@google.com>
6127
6128         * script-sections.h: Include <list>.
6129         (class Script_sections): Change Sections_elements from std::vector
6130         to std::list.  Typedef public Elements_iterator.  Add
6131         orphan_section_placement_, data_segment_align_start_, and
6132         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6133         field.
6134         * script-sections.cc (class Orphan_section_placement): New class.
6135         (class Sections_element): Add virtual functions is_relro and
6136         orphan_section_init.  Remove virtual function place_orphan_here.
6137         (class Output_section_definition): Add is_relro and
6138         orphan_section_init.  Remove place_orphan_here.
6139         (class Orphan_output_section): Likewise.
6140         (Script_sections::Script_sections): Update for field changes.
6141         (Script_sections::data_segment_align): Set saw_data_segment_align_
6142         and data_segment_align_start_, not data_segment_align_index.
6143         (Script_sections::data_segment_relro_end): Check
6144         saw_data_segment_align_.  Use data_segment_align_start_ rather
6145         than data_segment_align_index_.
6146         (Script_sections::place_orphan): Rewrite to use
6147         Orphan_section_placement.
6148
6149 2009-03-17  Ian Lance Taylor  <iant@google.com>
6150
6151         * archive.cc (Archive::add_symbols): Check for a version attached
6152         to the symbol name in the archive map.
6153         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6154         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6155         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6156         (ver_test_11.a): New target.
6157         * testsuite/Makefile.in: Rebuild.
6158
6159         * configure.ac: Check for chsize and posix_fallocate.  Replace
6160         ftruncate.
6161         * ftruncate.c: New file, from gnulib.
6162         * output.cc (posix_fallocate): Define dummy version if not
6163         HAVE_POSIX_FALLOCATE.
6164         (Output_file::map): Call posix_fallocate rather than lseek and
6165         write.
6166         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6167         * configure, Makefile.in, config.in: Rebuild.
6168
6169 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6170
6171         * layout.h (Layout::create_note): Add section_name parameter.
6172         * layout.cc (Layout::create_note): Likewise.
6173         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6174
6175 2009-03-17  Ian Lance Taylor  <iant@google.com>
6176
6177         * descriptors.cc: Include "options.h".
6178         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6179         (Descriptors::open): Always use O_CLOEXEC when opening a new
6180         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6181         then set FD_CLOEXEC.
6182
6183         * sparc.cc (class Target_sparc): Add has_got_section.
6184         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6185         make sure we have a GOT section.
6186
6187         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6188         (Target_sparc::Scan::local): Likewise.
6189         (Target_sparc::Scan::global): Likewise.
6190         (Target_sparc::Relocate::relocate): Likewise.
6191         (Target_sparc::Relocate::relocate_tls): Likewise.
6192
6193         * symtab.cc (Symbol_table::define_default_version): New function,
6194         broken out of add_from_object.
6195         (Symbol_table::add_from_object): Call define_default_version.
6196         (Symbol_table::define_special_symbol): Add resolve_oldsym
6197         parameter.  Change all callers.  If the version for a symbol comes
6198         from a version script, resolve it with the symbol with the same
6199         name with no version.  Also add the symbol without a version if
6200         appropriate.
6201         (do_define_in_output_data): If resolving with oldsym, don't delete
6202         sym.
6203         (do_define_in_output_segment): Likewise.
6204         (do_define_as_constant): Likewise.
6205         * symtab.h (class Symbol_table): Update declarations.
6206
6207 2009-03-13  Ian Lance Taylor  <iant@google.com>
6208
6209         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6210         (Read_symbols::requeue): New function.
6211         (Read_symbols::do_read_symbols): If make_elf_object fails because
6212         the target type is not configured, and the file was searched for,
6213         issue a warning and retry with the next directory.
6214         (Add_symbols::run): If the file has an incompatible format, and
6215         it was searched for, requeue the Read_symbols task.  On error,
6216         release the object.
6217         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6218         dirindex parameter to constructor.  Change all callers.  Declare
6219         incompatible_warning and requeue.
6220         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6221         input_argument_ and input_group_ fields.  Add them to
6222         constructor.  Change all callers.
6223         (class Read_script): Add dirindex_ field.  Add it to constructor.
6224         Change all callers.
6225         * archive.cc (Archive::setup): Remove input_objects parameter.
6226         Change all callers.
6227         (Archive::get_file_and_offset): Likewise.
6228         (Archive::read_all_symbols): Likewise.
6229         (Archive::read_symbols): Likewise.
6230         (Archive::get_elf_object_for_member): Remove input_objects
6231         parameter.  Add punconfigured parameter.  Change all callers.
6232         (Archive::add_symbols): Change return type to bool.  Check return
6233         value of include_member.
6234         (Archive::include_all_members): Likewise.
6235         (Archive::include_member): Change return type to bool.  Return
6236         false if first included object has incompatible target.  Set
6237         included_member_ field.
6238         (Add_archive_symbols::run): If add_symbols returns false, requeue
6239         Read_symbols task.
6240         * archive.h (class Archive): Add included_member_ field.
6241         Initialize it in constructor.  Add input_file and searched_for
6242         methods.  Update declarations.
6243         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6244         input_argument_ fields.  Add them to constructor.  Change all
6245         callers.
6246         * script.cc: Include "target-select.h".
6247         (class Parser_closure): Add skip_on_incompatible_target_ and
6248         found_incompatible_target_ fields.  Add
6249         skip_on_incompatible_target parameter to constructor.  Change all
6250         callers.  Add methods skip_on_incompatible_target,
6251         clear_skip_on_incompatible_target, found_incompatible_target, and
6252         set_found_incompatible_target.
6253         (read_input_script): Add dirindex parameter.  Change all callers.
6254         If parser finds an incompatible target, requeue Read_symbols
6255         task.
6256         (script_set_symbol): Clear skip_on_incompatible_target in
6257         closure.
6258         (script_add_assertion, script_parse_option): Likewise.
6259         (script_start_sections, script_add_phdr): Likewise.
6260         (script_check_output_format): New function.
6261         * script.h (read_input_script): Update declaration.
6262         * script-c.h (script_check_output_format): Declare.
6263         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6264         (ignore_cmd): Remove OUTPUT_FORMAT.
6265         * fileread.cc (Input_file::Input_file): Add explicit this.
6266         (Input_file::will_search_for): New function.
6267         (Input_file::open): Add pindex parameter.  Change all callers.
6268         * fileread.h (class Input_file): Add input_file_argument method.
6269         Declare will_search_for.  Update declarations.
6270         * object.cc (make_elf_object): Add punconfigured parameter.
6271         Change all callers.
6272         * object.h (class Object): Make input_file public.  Add
6273         searched_for method.
6274         (make_elf_object): Update declaration.
6275         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6276         restart search.
6277         * dirsearch.h (class Dirsearch): Update declaration.
6278         * options.h (class General_options): Add --warn-search-mismatch.
6279         * parameters.cc (Parameters::is_compatible_target): New function.
6280         * parameters.h (class Parameters): Declare is_compatible_target.
6281         * workqueue.cc (Workqueue::add_blocker): New function.
6282         * workqueue.h (class Workqueue): Declare add_blocker.
6283
6284         * fileread.cc (Input_file::open): Remove options parameter.
6285         Change all callers.
6286         (Input_file::open_binary): Likewise.
6287         * script.cc (read_input_script): Likewise.
6288         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6289         options parameter from constructor.  Change all callers.
6290         (class Read_script): Likewise.
6291         * fileread.h (class Input_file): Update declarations.
6292         * script.h (read_input_script): Update declaration.
6293
6294 2009-03-10  Nick Clifton  <nickc@redhat.com>
6295
6296         * po/es.po: New Spanish translation.
6297
6298 2009-03-06  Cary Coutant  <ccoutant@google.com>
6299
6300         * options.cc (parse_short_option): Keep dash_z from registering itself.
6301
6302 2009-03-03  Ian Lance Taylor  <iant@google.com>
6303
6304         PR 9918
6305         * target-reloc.h (relocate_section): Pass output_section to
6306         relocate.
6307         * i386.cc (Target_i386::should_apply_static_reloc): Add
6308         output_section parameter.  Change all callers.
6309         (Target_i386::Relocate::relocate): Add output_section parameter.
6310         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6311         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6312         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6313         * testsuite/two_file_shared.sh: New script.
6314         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6315         (check_DATA): Add two_file_shared.dbg.
6316         (two_file_shared.dbg): New target.
6317         * testsuite/Makefile.in: Rebuild.
6318
6319 2009-03-01  Ian Lance Taylor  <iant@google.com>
6320
6321         * configure.ac: Check for byteswap.h.
6322         * configure: Rebuild.
6323         * config.in: Rebuild.
6324
6325 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6326
6327         * layout.cc (Layout::find_or_add_kept_section): New function.
6328         (Layout::add_comdat): Removed.
6329         * layout.h (struct Kept_section): Move out of class Layout.
6330         Remove trailing underscores from field names.  Add group_sections
6331         field.  Rename group_ field to is_group.  Change all uses.
6332         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6333         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6334         comdat_groups_ field.
6335         (Sized_relobj::include_section_group): Use
6336         find_or_add_kept_section and Kept_section::group_sections.
6337         (Sized_relobj::include_linkonce_section): Likewise.
6338         * object.cc (class Sized_relobj): Don't define Comdat_group or
6339         Comdat_group_table.  Remove find_comdat_group and
6340         add_comdat_group.  Remove comdat_groups_ field.
6341         * plugin.cc (include_comdat_group): Use
6342         Layout::find_or_add_kept_section.
6343
6344 2009-02-28  Ian Lance Taylor  <iant@google.com>
6345
6346         * README: --gc-sections and map files are now supported.  Document
6347         some build requirements.
6348
6349         PR 6992
6350         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6351         relocatable link set the value of the section symbol to zero.
6352         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6353         relocatable link don't include the section address in the local
6354         symbol value.
6355
6356 2009-02-27  Ian Lance Taylor  <iant@google.com>
6357
6358         PR 6811
6359         * options.h (class Search_directory): Add is_system_directory.
6360         (class General_options): Declare is_in_system_directory.
6361         * options.cc (get_relative_sysroot): Make static.
6362         (get_default_sysroot): Make static.
6363         (General_optoins::is_in_system_directory): New function.
6364         * fileread.cc (Input_file::is_in_system_directory): New function.
6365         * fileread.h (class Input_file): Declare is_in_system_directory.
6366         * object.h (class Object): Add is_in_system_directory.
6367         (class Input_objects): Remove system_library_directory_ field.
6368         * object.cc (Input_objects::add_object): Don't set
6369         system_library_directory_.
6370         (input_objects::found_in_system_library_directory): Remove.
6371         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6372         parameter.  Change all callers.
6373         (Symbol_table::sized_write_globals): Likewise.
6374         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6375         Call Object::is_in_system_directory.
6376         * symtab.h (class Symbol_table): Update declarations.
6377
6378         PR 5990
6379         * descriptors.h (Open_descriptor): Add is_on_stack field.
6380         * descriptors.cc (Descriptors::open): If the descriptor is on the
6381         top of the stack, remove it.  Initialize is_on_stack field.
6382         (Descriptors::release): Only add pod to stack if it is not on the
6383         stack already.
6384         (Descriptors::close_some_descriptor): Clear stack_next and
6385         is_on_stack fields.
6386
6387         PR 7091
6388         * output.cc (Output_section::find_starting_output_address): Rename
6389         from starting_output_address; add PADDR parameter; change return
6390         type.
6391         * output.h (class Output_section): Declare
6392         find_starting_output_address instead of starting_output_address.
6393         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6394         section symbol for which we can't find a merge section.
6395
6396         PR 9836
6397         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6398         hidden or internal, force the symbol to be local.
6399         * resolve.cc (Symbol::override_visibility): Define.
6400         (Symbol::override_base): Use override_visibility.
6401         (Symbol_table::resolve): Likewise.
6402         (Symbol::override_base_with_special): Likewise.
6403         (Symbol_table::override_with_special): If the visibility is hidden
6404         or internal, force the symbol to be local.
6405         * symtab.h (class Symbol): Add set_visibility and
6406         override_visibility.
6407         * testsuite/ver_test_1.sh: New file.
6408         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6409         (check_DATA): Add ver_test_1.syms.
6410         (ver_test_1.syms): New target.
6411         * testsuite/Makefile.in: Rebuild.
6412
6413 2009-02-25  Cary Coutant  <ccoutant@google.com>
6414
6415         * layout.cc (Layout::choose_output_section): Don't rename sections
6416         when using a linker script that has a SECTIONS clause.
6417         * Makefile.in: Regenerate.
6418
6419         * testsuite/Makefile.am (script_test_5.sh): New test case.
6420         * testsuite/Makefile.in: Regenerate.
6421         * testsuite/script_test_5.cc: New file.
6422         * testsuite/script_test_5.sh: New file.
6423         * testsuite/script_test_5.t: New file.
6424
6425 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
6426
6427         * archive.cc (Archive::include_member): Update calls to add_symbols.
6428         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6429         the Layout argument.
6430         * dynobj.h (do_add_symbols): Add the Layout argument.
6431         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6432         Layout argument.
6433         * object.h (Object::add_symbols): Add the Layout argument.
6434         (Object::do_add_symbols): Add the Layout argument.
6435         (Sized_relobj::do_add_symbols): Add the Layout argument.
6436         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6437         Unify the two versions.
6438         (Add_plugin_symbols): Remove.
6439         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6440         (Sized_pluginobj::do_add_symbols): Unify the two versions.
6441         (Add_plugin_symbols): Remove.
6442         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6443         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6444         (Add_symbols::run): Make it work with Pulginobj.
6445
6446 2009-02-06  Ian Lance Taylor  <iant@google.com>
6447
6448         * object.cc (Sized_relobj::do_layout): Make info message start
6449         with lower case letter.
6450
6451 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
6452
6453         * binary.cc: Fix file comment.
6454
6455         * options.h (enum Incremental_disposition): Define.
6456         (class General_options): Add new options: --incremental,
6457         --incremental_changed, --incremental_unchanged,
6458         --incremental_unknown.  Add incremental_disposition_ and
6459         implicit_incremental_ fields.
6460         (General_options::incremental_disposition): New function.
6461         (class Position_dependent_options): Add incremental_disposition
6462         option.
6463         (Position_dependent_options::copy_from_options): Set incremental
6464         dispositions.
6465         * options.cc (General_options::parse_incremental_changed): New
6466         function.
6467         (General_options::parse_incremental_unchanged): New function.
6468         (General_options::parse_incremental_unknown): New function.
6469         (General_options::General_options): Initialize new fields
6470         incremental_disposition_ and implicit_incremental_.
6471         (General_options::finalize): Check for uasge of --incremental-*
6472         without --incremental.
6473
6474 2009-02-06  Chris Demetriou  <cgd@google.com>
6475
6476         * gold.h (gold_undefined_symbol): Change to take only a Symbol
6477         pointer and to report location as the file name associated with
6478         the symbol.
6479         (gold_undefined_symbol_at_location): New function to replace the
6480         old gold_undefined_symbol functionality.
6481         * target-reloc.h (relocate_section): Update to use
6482         gold_undefined_symbol_at_location.
6483         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6484         Call gold_undefined_symbol function rather than gold_error.
6485         * errors.h (Errors::undefined_symbol): Take location as a
6486         string, rather than calculating it from a relocation.
6487         * errors.cc (Errors::fatal): Print "fatal error:" before the
6488         formatted message.
6489         (Errors::error, Errors::error_at_location): Print "error: "
6490         before the formatted message.
6491         (Errors::undefined_symbol): Take location as a string, rather
6492         than calculating it from a relocation.
6493         (gold_undefined_symbol_at_location): New function akin to
6494         old gold_undefined_symbol, calculates location from relocation.
6495         (gold_undefined_symbol): Change to take only a Symbol pointer
6496         and to report location as the file name associated with the symbol.
6497         * testsuite/debug_msg.sh: Update for changed error messages.
6498         * testsuite/undef_symbol.sh: Likewise.
6499
6500 2009-02-04  Duncan Sands  <baldrick@free.fr>
6501
6502         PR 9812
6503         * reduced_debug_output.h
6504         (Output_reduced_debug_abbrev_section::failed): Use format for
6505         gold_warning.
6506         (Output_reduced_debug_info_section::faild): Likewise.
6507
6508 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
6509
6510         * script.cc (Lazy_demangler): New class.
6511         (Version_script_info::get_symbol_version_helper): Demangle a
6512         symbol only once.
6513
6514 2009-01-29  Cary Coutant  <ccoutant@google.com>
6515
6516         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
6517         to __tls_get_addr.
6518         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6519
6520 2009-01-28  Ian Lance Taylor  <iant@google.com>
6521
6522         * version.cc (version_string): Bump to 1.9.
6523
6524         * gold.h: Include <cstring> and <stdint.h>.
6525         * version.cc: Include <cstdio>.
6526         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
6527         warning.
6528         * reduced_debug_output.cc (insert_into_vector): Rename from
6529         Insert_into_vector; change all callers.  Use Swap_unaligned to
6530         avoid aliasing issue; remove union since it is unnecessary.
6531
6532 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
6533
6534         * Makefile.am (CCFILES): Add gc.cc.
6535         (HFILES): Add gc.h.
6536         * Makefile.in: Regenerate.
6537         * gold.cc (Gc_runner): New class.
6538         (queue_initial_tasks): Call garbage collection related tasks
6539         when corresponding options are invoked.
6540         (queue_middle_gc_tasks): New function.
6541         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
6542         processed early before laying out sections during garbage collection.
6543         * gold.h (queue_middle_gc_tasks): New function.
6544         (is_prefix_of): Move from "layout.cc".
6545         * i386.cc (Target_i386::gc_process_relocs): New function.
6546         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
6547         * main.cc (main): Create object of class "Garbage_collection".
6548         * object.cc (Relobj::copy_symbols_data): New function.
6549         (Relobj::is_section_name_included): New function.
6550         (Sized_relobj::do_layout): Allow this function to be called twice
6551         during garbage collection and defer layout of section during the
6552         first call.
6553         * object.h (Relobj::get_symbols_data): New function.
6554         (Relobj::is_section_name_included): New function.
6555         (Relobj::copy_symbols_data): New function.
6556         (Relobj::set_symbols_data): New function.
6557         (Relobj::get_relocs_data): New function.
6558         (Relobj::set_relocs_data): New function.
6559         (Relobj::is_output_section_offset_invalid): New pure virtual function.
6560         (Relobj::gc_process_relocs): New function.
6561         (Relobj::do_gc_process_relocs): New pure virtual function.
6562         (Relobj::sd_): New data member.
6563         (Sized_relobj::is_output_section_offset_invalid): New function.
6564         (Sized_relobj::do_gc_process_relocs): New function.
6565         * options.h (General_options::gc_sections): Modify to not be a no-op.
6566         (General_options::print_gc_sections): New option.
6567         * plugin.cc (Plugin_finish::run): Remove function call to
6568         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
6569         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
6570         * reloc.cc (Read_relocs::run): Add task to process relocs and
6571         determine unreferenced sections when doing garbage collection.
6572         (Gc_process_relocs): New class.
6573         (Sized_relobj::do_gc_process_relocs): New function.
6574         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
6575         sections that are garbage collected.
6576         * reloc.h (Gc_process_relocs): New class.
6577         * sparc.cc (Target_sparc::gc_process_relocs): New function.
6578         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
6579         symbols whose corresponding sections are garbage collected.
6580         (Symbol_table::Symbol_table): Add new parameter for the garbage
6581         collection object.
6582         (Symbol_table::gc_mark_undef_symbols): New function.
6583         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6584         (Symbol_table::gc_mark_dyn_syms): New function.
6585         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
6586         as garbage.
6587         (Symbol_table::add_from_object): Likewise.
6588         (Symbol_table::add_from_relobj): When building shared objects, do not
6589         treat externally visible symbols as garbage.
6590         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
6591         table information for static and relocatable links.
6592         * symtab.h (Symbol_table::set_gc): New function.
6593         (Symbol_table::gc): New function.
6594         (Symbol_table::gc_mark_undef_symbols): New function.
6595         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6596         (Symbol_table::gc_mark_dyn_syms): New function.
6597         (Symbol_table::gc_): New data member.
6598         * target.h (Sized_target::gc_process_relocs): New pure virtual
6599         function.
6600         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
6601         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
6602
6603 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
6604
6605         * options.h (General_options::gc_sections): Define as a no-op for now.
6606         (General_options::no_keep_memory): Ditto.
6607         (General_options::Bshareable): Define.
6608         * options.cc (General_options::finalize): Honor -Bshareable.
6609
6610 2009-01-20  Andreas Schwab  <schwab@suse.de>
6611
6612         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
6613         read the value in the contents, since we don't use it.  Use the
6614         template endianness when writing.
6615         (Relocate::relocate): Use it for R_PPC_REL16_HA.
6616
6617 2009-01-19  Andreas Schwab  <schwab@suse.de>
6618
6619         * configure.tgt (powerpc64-*): Fix targ_obj.
6620
6621 2009-01-15  Ian Lance Taylor  <iant@google.com>
6622
6623         * object.cc (Sized_relobj::write_local_symbols): Don't write out
6624         local symbols when stripping all symbols.
6625
6626 2009-01-14  Cary Coutant  <ccoutant@google.com>
6627
6628         * output.cc (Output_reloc): Add explicit instantiations.
6629
6630 2009-01-14  Cary Coutant  <ccoutant@google.com>
6631
6632         * archive.cc (Archive::get_elf_object_for_member): Remove call
6633         to File_read::claim_for_plugin.
6634         * descriptors.cc (Descriptors::open): Remove reference to
6635         is_claimed.
6636         (Descriptors::claim_for_plugin): Remove.
6637         * descriptors.h (Descriptors::claim_for_plugin): Remove.
6638         (Descriptors::is_claimed): Remove.
6639         (claim_descriptor_for_plugin): Remove.
6640         * fileread.cc (File_read::claim_for_plugin): Remove.
6641         * fileread.h (File_read::claim_for_plugin): Remove.
6642         (File_read::descriptor): Reopen descriptor if necessary.
6643         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
6644         (Plugin_manager::all_symbols_read): Add task parameter. Change
6645         all callers.
6646         (Plugin_manager::get_input_file): New function.
6647         (Plugin_manager::release_input_file): New function.
6648         (Pluginobj::Pluginobj): Add filesize parameter and initialize
6649         corresponding data member.
6650         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
6651         and pass to base constructor. Change all callers.
6652         (get_input_file, release_input_file): New functions.
6653         (make_sized_plugin_object): Add filesize parameter. Change all callers.
6654         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
6655         (Plugin_manager::all_symbols_read): Add task parameter.
6656         (Plugin_manager::get_input_file): New function.
6657         (Plugin_manager::release_input_file): New function.
6658         (Plugin_manager::task_): New data member.
6659         (Pluginobj::Pluginobj): Add filesize parameter.
6660         (Pluginobj::filename): New function.
6661         (Pluginobj::descriptor): New function.
6662         (Pluginobj::filesize): New function.
6663         (Pluginobj::filesize_): New data member.
6664         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
6665         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
6666         File_read::claim_for_plugin; use Object::unlock to unlock the file.
6667
6668         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
6669         with archive libraries.
6670         * testsuite/Makefile.in: Regenerate.
6671         * testsuite/plugin_test.c (struct sym_info): New type.
6672         (get_input_file, release_input_file): New static variables.
6673         (onload): Capture new transfer vector entries.
6674         (claim_file_hook): Stop reading at end of file according to filesize.
6675         Factor out parsing of readelf output into separate function.
6676         (all_symbols_read_hook): Exercise get_input_file and release_input_file
6677         APIs and get the source file name from the symbol table.  Convert
6678         source file name to corresponding object file name.  Print info
6679         message when adding new input files.
6680         (parse_readelf_line): New function.
6681         * testsuite/plugin_test_1.sh: Add checks for new info messages.
6682         * testsuite/plugin_test_2.sh: Likewise.
6683         * testsuite/plugin_test_3.sh: Likewise.
6684         * testsuite/plugin_test_4.sh: New test case.
6685
6686 2009-01-07  Ian Lance Taylor  <iant@google.com>
6687
6688         * version.cc (version_string): Bump to 1.8.
6689
6690 2008-12-23  Cary Coutant  <ccoutant@google.com>
6691
6692         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
6693         * plugin.cc (Plugin_manager::finish): Rename as
6694         layout_deferred_objects.  Move cleanup to separate function.
6695         (Plugin_manager::cleanup): New function.
6696         (Plugin_finish::run): Call layout_deferred_objects and cleanup
6697         separately.
6698         * plugin.h (Plugin_manager::finish): Rename as
6699         layout_deferred_objects.
6700         (Plugin_manager::cleanup): New function.
6701         (Plugin_manager::cleanup_done): New field.
6702
6703 2008-12-23  Cary Coutant  <ccoutant@google.com>
6704
6705         * plugin.cc (is_visible_from_outside): New function.
6706         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
6707         so we don't return "IR only" status for exported symbols or -r links.
6708
6709         * testsuite/Makefile.am (plugin_test_3): New test case.
6710         * testsuite/Makefile.in: Regenerate.
6711         * testsuite/plugin_test_3.sh: New file.
6712
6713 2008-12-22  Cary Coutant  <ccoutant@google.com>
6714
6715         * object.cc (Sized_relobj::layout_section): New function.
6716         (Sized_relobj::do_layout): Defer layout of input sections until after
6717         plugin has provided replacement files.
6718         (Sized_relobj::do_layout_deferred_sections): New function.
6719         * object.h (Relobj::set_section_offset): Remove virtual keyword.
6720         (Relobj::layout_deferred_sections): New function.
6721         (Relobj::do_layout_deferred_sections): New function.
6722         (Sized_relobj::do_layout_deferred_sections): New function.
6723         (Sized_relobj::layout_section): New function.
6724         (Sized_relobj::Deferred_layout): New structure.
6725         (Sized_relobj::deferred_layout_): New field.
6726         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
6727         Change all callers.  Layout deferred sections.
6728         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
6729         references.
6730         (Plugin_hook::run): Move code from do_plugin_hook inline.
6731         (Plugin_hook::do_plugin_hook): Remove.
6732         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
6733         (Plugin_manager::finish): Renamed, was cleanup.
6734         (Plugin_manager::should_defer_layout): New function.
6735         (Plugin_manager::add_deferred_layout_object): New function.
6736         (Plugin_manager::Deferred_layout_list): New type.
6737         (Plugin_manager::deferred_layout_objects_): New field.
6738         (Plugin_hook::do_plugin_hook): Remove.
6739
6740 2008-12-17  Ian Lance Taylor  <iant@google.com>
6741
6742         * options.h (class General_options): Add --no case for
6743         --export-dynamic.
6744
6745 2008-12-16  Cary Coutant  <ccoutant@google.com>
6746
6747         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
6748         vector.
6749         (Plugin_manager::claim_file): Create plugin object even if
6750         plugin did not call the add_symbols callback.
6751         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
6752         asking for more symbols than were added.
6753         * testsuite/Makefile.am (plugin_test_1): Add test case with
6754         no global symbols.
6755         (empty.syms): New target.
6756         * testsuite/Makefile.in: Regenerate.
6757         * testsuite/plugin_test.c (claim_file_hook): Add new debug
6758         message. Don't call add_symbols if no globals.
6759         (all_symbols_read_hook): Don't provide replacement for empty
6760         claimed file.
6761
6762 2008-12-12  Ian Lance Taylor  <iant@google.com>
6763
6764         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
6765         r_type == 0 for a local symbol with r_sym == 0.
6766         (scan_relocatable_relocs): Pass r_sym to
6767         local_non_section_strategy.
6768         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
6769         r_sym parameter.
6770
6771         * configure.ac: Update test for TLS descriptors: they are
6772         supported as of glibc 2.9.
6773         * configure: Rebuild.
6774
6775 2008-12-11  Ian Lance Taylor  <iant@google.com>
6776
6777         PR 7091
6778         * target-reloc.h (Default_scan_relocatable_relocs): For each
6779         function, map r_type == 0 to RELOC_DISCARD.
6780
6781 2008-12-10  Cary Coutant  <ccoutant@google.com>
6782
6783         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
6784         object to override a kept COMDAT group from a plugin object.
6785
6786 2008-12-09  Ian Lance Taylor  <iant@google.com>
6787
6788         PR 7088
6789         * yyscript.y (file_cmd): Handle INPUT.
6790
6791         * testsuite/initpri1.c: Change all declarations to be full
6792         prototypes by adding void, to avoid compiler warnings.
6793
6794 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
6795
6796         * options.cc (General_options::parse_plugin_opt): New.
6797         (General_options::add_plugin): The argument now is just the filename.
6798         (General_options::add_plugin_option): New.
6799         * options.h (plugin_opt): New.
6800         (add_plugin): Change argument name.
6801         (add_plugin_option): New.
6802         * plugin.cc (Plugin::load): Don't parse the plugin option.
6803         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
6804         (Plugin::add_option): New.
6805         (Plugin::args_): Change type.
6806         (Plugin::filename_): New.
6807         (Plugin_manager::add_plugin_option): New.
6808         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
6809         * testsuite/Makefile.in: Regenerate.
6810
6811 2008-12-05  Cary Coutant  <ccoutant@google.com>
6812
6813         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
6814         Handle --strip-lto-sections option.
6815         * options.h (strip_lto_sections): New option.
6816
6817 2008-12-01  Cary Coutant  <ccoutant@google.com>
6818
6819         * plugin.cc (ld_plugin_message): Change format parameter to const.
6820         Fix mismatch between new[] and delete.
6821
6822 2008-11-14  Cary Coutant  <ccoutant@google.com>
6823
6824         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
6825         instead of -1U.
6826
6827 2008-11-05  Craig Silverstein  <csilvers@google.com>
6828
6829         * options.cc (General_options::parse_dynamic_list): New function.
6830         * options.h (General_options): New flags dynamic_list,
6831         dynamic_list_data, dynamic_list_cpp_new, and
6832         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
6833         (General_options::in_dynamic_list): New function.
6834         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
6835         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
6836         (Lex::can_continue_name): Likewise.
6837         (yylex): Likewise.
6838         (read_script_file): New parameter script_options.
6839         (read_dynamic_list): New function.
6840         (Script_options::define_dynamic_list): New function.
6841         (dynamic_list_keyword_parsecodes): New variable.
6842         (dynamic_list_keywords): New variable.
6843         * script.h (Script_options::define_dynamic_list): New function
6844         prototype.
6845         (read_dynamic_list): New function prototype.
6846         * symtab.cc (strprefix): New macro.
6847         (Symbol::should_add_dynsym_entry): Support dynamic_list,
6848         dynamic_list_data, dynamic_list_cpp_new, and
6849         dynamic_list_cpp_typeinfo.
6850         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
6851         (dynamic_list_expr): New rule.
6852         (dynamic_list_nodes): Likewise.
6853         (dynamic_list_node): Likewise.
6854         * testsuite/Makefile.am (dynamic_list): New test.
6855         * testsuite/Makefile.in: Regenerated.
6856         * testsuite/dynamic_list.t: New file.
6857         * testsuite/dynamic_list.sh: New file.
6858
6859 2008-11-05  Craig Silverstein  <csilvers@google.com>
6860
6861         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
6862         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
6863         (t11_last): Likewise.
6864         * testsuite/ver_test_6.c (main): Likewise.
6865
6866 2008-10-07  Cary Coutant  <ccoutant@google.com>
6867
6868         * options.c (General_options::finalize): Add check for -static and
6869         -shared.
6870         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
6871         is not empty.
6872
6873 2008-10-02  Cary Coutant  <ccoutant@google.com>
6874
6875         * plugin.cc (make_sized_plugin_object): Fix conditional
6876         compilation to work when not all targets are enabled.
6877
6878 2008-09-29  Cary Coutant  <ccoutant@google.com>
6879
6880         * archive.cc (Archive::get_file_and_offset): Use filename instead
6881         of name to get library path.
6882         (Archive::include_member): Unlock external member of a thin archive.
6883
6884         * testsuite/Makefile.am (TEST_AR): New variable.
6885         (thin_archive_test_1): New test.
6886         (thin_archive_test_2): New test.
6887         * testsuite/Makefile.in: Regenerate.
6888         * testsuite/thin_archive_main.cc: New file.
6889         * testsuite/thin_archive_test_1.cc: New file.
6890         * testsuite/thin_archive_test_2.cc: New file.
6891         * testsuite/thin_archive_test_3.cc: New file.
6892         * testsuite/thin_archive_test_4.cc: New file.
6893
6894 2008-09-29  Cary Coutant  <ccoutant@google.com>
6895
6896         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
6897         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
6898         instead of -1U.
6899         (Sized_relobj::do_finalize_local_symbols): Likewise.
6900         (Sized_relobj::map_to_kept_section): Likewise.
6901         * object.h (Sized_relobj::invalid_address): New constant.
6902         (Sized_relobj::do_output_section_offset): Check for invalid_address
6903         and return -1ULL.
6904         * output.cc (Output_reloc::local_section_offset): Use constant
6905         invalid_address instead of -1U.
6906         (Output_reloc::get_address): Likewise.
6907         (Output_section::output_address): Change -1U to -1ULL.
6908         * output.h (Output_reloc::invalid_address): New constant.
6909         * reloc.cc (Sized_relobj::write_sections): Use constant
6910         invalid_address instead of -1U.
6911         (Sized_relobj::relocate_sections): Likewise.
6912         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
6913         values for merge sections.
6914         * target-reloc.h (relocate_for_relocatable): Use constant
6915         invalid_address instead of -1U.
6916
6917 2008-09-19  Cary Coutant  <ccoutant@google.com>
6918
6919         Add plugin functionality for link-time optimization (LTO).
6920         * configure.ac (plugins): Add --enable-plugins option.
6921         * configure: Regenerate.
6922         * config.in: Regenerate.
6923         * Makefile.am (LIBDL): New variable.
6924         (CCFILES): Add plugin.cc.
6925         (HFILES): Add plugin.h.
6926         (ldadd_var): Add LIBDL.
6927         * Makefile.in: Regenerate.
6928
6929         * archive.cc: Include "plugin.h".
6930         (Archive::setup): Don't preread archive symbols when using a plugin.
6931         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
6932         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
6933         files.
6934         (Archive::include_member): Add symbols from plugin objects.
6935         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
6936         * descriptors.cc (Descriptors::open): Check for file descriptors
6937         abandoned by plugins.
6938         (Descriptors::claim_for_plugin): New function.
6939         * descriptors.h (Descriptors::claim_for_plugin): New function.
6940         (Open_descriptor::is_claimed): New field.
6941         (claim_descriptor_for_plugin): New function.
6942         * fileread.cc (File_read::claim_for_plugin): New function.
6943         * fileread.h (File_read::claim_for_plugin): New function.
6944         (File_read::descriptor): New function.
6945         * gold.cc: Include "plugin.h".
6946         (queue_initial_tasks): Add task to call plugin hooks for generating
6947         new object files.
6948         * main.cc: Include "plugin.h".
6949         (main): Load plugin libraries.
6950         * object.h (Pluginobj): Declare.
6951         (Object::pluginobj): New function.
6952         (Object::do_pluginobj): New function.
6953         (Object::set_target): New function.
6954         * options.cc: Include "plugin.h".
6955         (General_options::parse_plugin): New function.
6956         (General_options::General_options): Initialize plugins_ field.
6957         (General_options::add_plugin): New function.
6958         * options.h (Plugin_manager): Declare.
6959         (General_options): Add --plugin option.
6960         (General_options::has_plugins): New function.
6961         (General_options::plugins): New function.
6962         (General_options::add_plugin): New function.
6963         (General_options::plugins_): New field.
6964         * plugin.cc: New file.
6965         * plugin.h: New file.
6966         * readsyms.cc: Include "plugin.h".
6967         (Read_symbols::do_read_symbols): Check for archive before checking
6968         for ELF file.  Call plugin hooks to claim files.
6969         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
6970         from a real object file; force override when processing replacement
6971         files.
6972         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
6973         (Symbol::init_base_object): Likewise.
6974         (Symbol::init_base_output_data): Likewise.
6975         (Symbol::init_base_output_segment): Likewise.
6976         (Symbol::init_base_constant): Likewise.
6977         (Symbol::init_base_undefined): Likewise.
6978         (Symbol::output_section): Assert that object is not a plugin.
6979         (Symbol_table::add_from_pluginobj): New function.
6980         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
6981         undefined.
6982         (Symbol_table::sized_write_globals): Likewise.
6983         (Symbol_table::add_from_pluginobj): Instantiate template.
6984         * symtab.h (Sized_pluginobj): Declare.
6985         (Symbol::in_real_elf): New function.
6986         (Symbol::set_in_real_elf): New function.
6987         (Symbol::in_real_elf_): New field.
6988         (Symbol_table::add_from_pluginobj): New function.
6989
6990         * testsuite/Makefile.am (AM_CFLAGS): New variable.
6991         (LIBDL): New variable.
6992         (LDADD): Add LIBDL.
6993         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
6994         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
6995         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
6996         (MOSTLYCLEANFILES): Likewise.
6997         * testsuite/Makefile.in: Regenerate.
6998         * testsuite/plugin_test.c: New file.
6999         * testsuite/plugin_test_1.sh: New file.
7000         * testsuite/plugin_test_2.sh: New file.
7001
7002 2008-09-16  Ian Lance Taylor  <iant@google.com>
7003
7004         * target-reloc.h (relocate_section): Check whether a symbol is
7005         defined by the ABI before reporting an undefined symbol error.
7006         * target.h (Target::is_defined_by_abi): Make parameter const.
7007         (Target::do_is_defined_by_abi): Likewise.
7008         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7009         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7010         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7011         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7012         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7013         * testsuite/Makefile.in: Rebuild.
7014
7015         * fileread.cc (make_view): Add casts to avoid warning.
7016
7017 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7018
7019         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7020         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7021
7022 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7023
7024         * options.h (General_options::output_is_executable): New.
7025         (General_options::output_is_pie): New.
7026         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7027         for shared libraries.
7028         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7029
7030 2008-09-11  Chris Demetriou  <cgd@google.com>
7031
7032         * options.h (origin): New -z option.
7033         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7034         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7035         in DT_FLAGS_1.
7036
7037 2008-09-05  Cary Coutant  <ccoutant@google.com>
7038
7039         * fileread.cc (File_read::make_view): Add check for attempt to map
7040         beyond end of file.
7041
7042 2008-09-05  Cary Coutant  <ccoutant@google.com>
7043
7044         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7045         explicit instantiations.
7046
7047 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7048
7049         PR gold/6858
7050         * options.cc (General_options::finalize): Allow undefined symbols
7051         in shlibs if linking -shared.
7052
7053         PR gold/6859
7054         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7055         symbols as not needing a dynsym entry.
7056
7057 2008-08-20  Craig Silverstein  <csilvers@google.com>
7058
7059         * fileread.cc (File_read::open): Do not lock the file unless it
7060         was successfully opened.
7061
7062 2008-08-14  Cary Coutant  <ccoutant@google.com>
7063
7064         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7065         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7066         * testsuite/tls_test.cc (struct int128): 128-bit struct
7067         for testing TLS relocs with non-zero addend.
7068         (v12): New TLS variable.
7069         (t12): New test.
7070         (t_last): Add check for v12.
7071         * testsuite/tls_test.h (t12): New function.
7072         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7073
7074 2008-08-13  Ian Lance Taylor  <iant@google.com>
7075
7076         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7077         set tls_segment_ or relro_segment_.
7078         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7079         when appropriate.
7080         * output.h (Output_section::clear_is_relro): New function.
7081         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7082         sections specially even when output_data_ is empty.
7083         (Output_segment::maximum_alignment): When first section is relro,
7084         only force alignment for PT_LOAD segments.
7085         * script.cc (script_data_segment_align): New function.
7086         (script_data_segment_relro_end): New function.
7087         * script-c.h (script_data_segment_align): Declare.
7088         (script_data_segment_relro_end): Declare.
7089         * script-sections.h (class Script_sections): Declare
7090         data_segment_align and data_segment_relro_end.  Add fields
7091         segment_align_index_ and saw_relro_end_.
7092         * script-sections.cc (class Sections_element): Add set_is_relro
7093         virtual function.  Add new bool* parameter to place_orphan_here.
7094         Add get_output_section virtual function.
7095         (class Output_section_definition): Add set_is_relro.  Add new
7096         bool* parameter to place_orphan_here.  Add get_output_section.
7097         Add is_relro_ field.
7098         (Output_section_definition::Output_section_definition): Initialize
7099         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7100         and is_relro_ fields.
7101         (Output_section_definition::place_orphan_here): Add is_relro
7102         parameter.
7103         (Output_section_definition::set_section_addresses): Set relro for
7104         output section.
7105         (Output_section_definition::alternate_constraint): Likewise.
7106         (class Orphan_output_section): Add new bool* parameter to
7107         place_orphan_here.  Add get_output_section.
7108         (Orphan_output_section::place_orphan_here): Add is_relro
7109         parameter.
7110         (Script_sections::Script_sections): Initialize
7111         data_segment_align_index_ and saw_relro_end_.
7112         (Script_sections::data_segment_align): New function.
7113         (Script_sections::data_segment_relro_end): New function.
7114         (Script_sections::place_orphan): Set or clear is_relro.
7115         (Script_sections::set_section_addresses): Force alignment of first
7116         TLS section.
7117         * yyscript.y (exp): Call script_data_segment_align and
7118         script_data_segment_relro_end.
7119         * testsuite/relro_script_test.t: New file.
7120         * testsuite/relro_test.cc (using_script): Declare.
7121         (t1, t2): Test using_script.
7122         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7123         (relro_script_test_SOURCES): Define.
7124         (relro_script_test_DEPENDENCIES): Define.
7125         (relro_script_test_LDFLAGS): Define.
7126         (relro_script_test_LDADD): Define.
7127         (relro_script_test.so): New target.
7128         * testsuite/Makefile.in: Rebuild.
7129
7130 2008-08-06  Cary Coutant <ccoutant@google.com>
7131
7132         * archive.cc (Archive::total_archives, Archive::total_members)
7133         (Archive::total_members_loaded): New variables.
7134         (Archive::setup): Add parameter.  Add option to preread
7135         archive symbols.
7136         (Archive::read_armap): Add counter.
7137         (Archive::get_file_and_offset): New function.
7138         (Archive::get_elf_object_for_member): New function.
7139         (Archive::read_all_symbols): New function.
7140         (Archive::read_symbols): New function.
7141         (Archive::add_symbols): Add counters.
7142         (Archive::include_all_members): Use armap to find members if it's
7143         already built.
7144         (Archive::include_member): Skip reading symbols if already read.
7145         Factored code into Archive::get_file_and_offset and
7146         Archive::get_elf_object_for_member.  Changed call to
7147         Mapfile::report_include_archive_member.
7148         (Archive::print_stats): New function.
7149         * archive.h: Declare Object and Read_symbols_data classes.
7150         (Archive::Archive): Add initializers for new members.
7151         (Archive::setup): Add parameter.
7152         (Archive::print_stats): New function.
7153         (Archive::total_archives, Archive::total_members)
7154         (Archive::total_members_loaded): New variables.
7155         (Archive::get_file_and_offset): New function.
7156         (Archive::get_elf_object_for_member): New function.
7157         (Archive::read_all_symbols): New function.
7158         (Archive::read_symbols): New function.
7159         (Archive::Archive_member): New class.
7160         (Archive::members_): New member.
7161         (Archive::num_members_): New member.
7162         * main.cc: Include archive.h.
7163         (main): Call Archive::print_stats.
7164         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7165         archive parameter; member_name is now the fully-decorated name.
7166         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7167         * options.h: (General_options): Add --preread-archive-symbols option.
7168         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7169         Archive::setup.
7170
7171 2008-08-04  Ian Lance Taylor  <iant@google.com>
7172
7173         * symtab.h (Symbol::use_plt_offset): New function.
7174         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7175         * powerpc.cc (Relocate::relocate): Likewise.
7176         * sparc.cc (Relocate::relocate): Likewise.
7177         * x86_64.cc (Relocate::relocate): Likewise.
7178         * testsuite/weak_plt.sh: New test.
7179         * testsuite/weak_plt_main.cc: New test.
7180         * testsuite/weak_plt_shared.cc: New test.
7181         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7182         (check_PROGRAMS): Add weak_plt.
7183         (check_DATA): Add weak_plt_shared.so.
7184         (weak_plt_main_pic.o, weak_plt): New targets.
7185         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7186         * testsuite/Makefile.in: Rebuild.
7187
7188         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7189         gcctestdir/ld.
7190         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7191         * testsuite/Makefile.in: Rebuild.
7192
7193 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7194
7195         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7196         * Makefile.in: Regenerate.
7197         * po/POTFILES.in: Regenerate.
7198
7199 2008-07-29  Ian Lance Taylor  <iant@google.com>
7200
7201         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7202         symbols before other symbols.
7203         * testsuite/script_test_2.cc (test_addr): Declare.
7204         (test_addr_alias): Declare.
7205         (main): Check that test_addr and test_addr_alias have the right
7206         values.
7207         * testsuite/script_test_2.t: Define test_addr_alias and
7208         test_addr.
7209
7210 2008-07-24  Ian Lance Taylor  <iant@google.com>
7211
7212         PR 5990
7213         * descriptors.cc: New file.
7214         * descriptors.h: New file.
7215         * gold-threads.h (class Hold_optional_lock): New class.
7216         * fileread.cc: Include "descriptors.h".
7217         (File_read::~File_read): Release descriptor rather than closing
7218         it.
7219         (File_read::open) [file]: Call open_descriptor rather than open.
7220         Set is_descriptor_opened_.
7221         (File_read::open) [memory]: Assert that descriptor is not open.
7222         (File_read::reopen_descriptor): New function.
7223         (File_read::release): Release descriptor.
7224         (File_read::do_read): Make non-const.  Reopen descriptor.
7225         (File_read::read): Make non-const.
7226         (File_read::make_view): Reopen descriptor.
7227         (File_read::do_readv): Likewise.
7228         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7229         Update declarations.
7230         * layout.cc: Include "descriptors.h".
7231         (Layout::create_build_id): Use open_descriptor rather than open.
7232         * output.cc: Include "descriptors.h".
7233         (Output_file::open): Use open_descriptor rather than open.
7234         * archive.cc (Archive::const_iterator): Change Archive to be
7235         non-const.
7236         (Archive::begin, Archive::end): Make non-const.
7237         (Archive::count_members): Likewise.
7238         * archive.h (class Archive): Update declarations.
7239         * object.h (Object::read): Make non-const.
7240         * Makefile.am (CCFILES): Add descriptors.cc.
7241         (HFILES): Add descriptors.h.
7242         * Makefile.in: Rebuild.
7243
7244         PR 6716
7245         * gold.h: Always include <clocale>.  Add Solaris workarounds
7246         following code in binutils/sysdep.h.
7247
7248         PR 6048
7249         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7250         this->eh_frame_hdr_ is NULL before using it.
7251
7252         * dynobj.cc (Versions::Versions): Update comment.
7253
7254         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7255         the base version name.
7256
7257         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7258         array size plus one.
7259         (Stringpool_template::set_string_offsets): Subtract one from key
7260         before using it as an array index.
7261         (Stringpool_template::get_offset_with_length): Likewise.
7262         (Stringpool_template::write_to_buffer): Likewise.
7263         * stringpool.h (Stringpool_template::get_offset_from_key):
7264         Likewise.
7265
7266 2008-07-23  Ian Lance Taylor  <iant@google.com>
7267
7268         PR 6658
7269         * object.h (Merged_symbol_value::value): Do our best to handle a
7270         negative addend.
7271
7272         PR 6647
7273         * script.cc (Version_script_info::get_versions): Don't add empty
7274         version tag to return value.
7275         (Version_script_info::get_symbol_version_helper): Change return
7276         type to bool.  Add pversion parameter.  Change all callers.
7277         (script_register_vers_node): Don't require a non-NULL tag.
7278         * script.h (class Version_script_info): Update declarations.
7279         (Version_script_info::get_symbol_version): Change return type to
7280         bool.  Add version parameter.  Change all callers.
7281         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7282         handling.  Handle an empty version from a version script.
7283         (Symbol_table::define_special_symbol): Likewise.
7284         * testsuite/ver_test_10.script: New file.
7285         * testsuite/ver_test_10.sh: New file.
7286         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7287         (check_DATA): Add ver_test_10.syms.
7288         (ver_test_10.syms, ver_test_10.so): New target.
7289         * testsuite/Makefile.in: Rebuild.
7290
7291 2008-07-23  Simon Baldwin  <simonb@google.com>
7292
7293         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7294         to zero for undefined symbols from dynamic libraries.
7295
7296 2008-07-23  Ian Lance Taylor  <iant@google.com>
7297
7298         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7299         Change all callers.
7300         * symtab.h (class Symbol_table): Update declaration.
7301         * testsuite/ver_test_9.cc: New file.
7302         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7303         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7304         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7305         (ver_test_9.so, ver_test_9.o): New targets.
7306         * testsuite/Makefile.in: Rebuild.
7307
7308 2008-07-22  Ian Lance Taylor  <iant@google.com>
7309
7310         * options.h (class General_options): Define --check-sections.
7311         * layout.cc (Layout::set_segment_offsets): Handle
7312         --check-sections.
7313
7314         * options.h (class General_options): Define -n/--nmagic and
7315         -N/--omagic.
7316         * options.cc (General_options::finalize): For -n/--nmagic or
7317         -N/--omagic, set -static.
7318         * layout.cc (Layout::attach_allocated_section_to_segment): If
7319         -N/--omagic, don't put read-only and read-write sections in
7320         different segments.
7321         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7322         finding a read-only segment.
7323         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7324         don't set the minimum segment alignment to the common page size,
7325         and don't set the file offset to the address modulo the page size.
7326         * script-sections.cc (Script_sections::create_segments): If
7327         -n/--omagic, don't put read-only and read-write sections in
7328         different segments.
7329
7330         * cref.cc: New file.
7331         * cref.h: New file.
7332         * options.h (class General_options): Add --print-symbol-counts.
7333         * main.cc (main): Issue defined symbol report if requested.
7334         * archive.cc (Archive::interpret_header): Make into a const member
7335         function.
7336         (Archive::add_symbols): Call Input_objects::archive_start and
7337         archive_stop.
7338         (Archive::const_iterator): Define new class.
7339         (Archive::begin, Archive::end): New functions.
7340         (Archive::include_all_members): Rewrite to use iterator.
7341         (Archive::count_members): New function.
7342         * archive.h (class Archive): Update declarations.
7343         (Archive::filename): New function.
7344         * object.cc: Include "cref.h".
7345         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7346         (Sized_relobj::do_get_global_symbol_counts): New function.
7347         (Input_objects::add_object): Add object to cross-referencer.
7348         (Input_objects::archive_start): New function.
7349         (Input_objects::archive_stop): New function.
7350         (Input_objects::print_symbol_counts): New function.
7351         * object.h: Declare Cref and Archive.
7352         (Object::get_global_symbol_counts): New function.
7353         (Object::do_get_global_symbol_counts): New pure virtual function.
7354         (class Sized_relobj): Add defined_count_ field.  Update
7355         declarations.
7356         (class Input_objects): Add cref_ field.  Update constructor.
7357         Update declarations.
7358         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7359         defined_count_.
7360         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7361         symbol counts.
7362         (Sized_dynobj::do_get_global_symbol_counts): New function.
7363         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7364         defined_count_.  Update declarations.  Define Symbols typedef.
7365         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7366         parameter.  Change all callers.
7367         (Symbol_table::add_from_dynobj): Add sympointers and defined
7368         parameters.  Change all callers.
7369         * symtab.h (class Symbol_table): Update declarations.
7370         * Makefile.am (CCFILES): Add cref.cc.
7371         (HFILES): Add cref.h.
7372         * Makefile.in: Rebuild.
7373
7374 2008-07-22  Simon Baldwin  <simonb@google.com>
7375
7376         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7377         to zero when writing undefined symbols.
7378
7379 2008-07-22  Ian Lance Taylor  <iant@google.com>
7380
7381         * output.cc (Output_section::add_input_section): Don't try to
7382         merge empty merge sections.
7383
7384 2008-07-21  Craig Silverstein  <csilvers@google.com>
7385
7386         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7387         Include symbol version in error message.
7388
7389 2008-07-20  Chris Demetriou  <cgd@google.com>
7390
7391         * configure.ac (gold_cv_c_random_seed): New configured variable.
7392         (RANDOM_SEED_CFLAGS): New substituted variable.
7393         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7394         * configure: Rebuild.
7395         * Makefile.in: Likewise.
7396         * testsuite/Makefile.in: Likewise.
7397
7398 2008-07-18  Ian Lance Taylor  <iant@google.com>
7399
7400         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7401         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7402         * testsuite/ver_test_main.cc (main): Call t4.
7403         (t4, t4_2a): Define.
7404         * testsuite/ver_test_2.cc (t4_2): Define.
7405         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7406         * testsuite/ver_test_4.cc (t4_2a): Define.
7407         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7408         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7409
7410 2008-07-17  Ian Lance Taylor  <iant@google.com>
7411
7412         * dynobj.cc (Versions::add_def): If we give an error about a
7413         missing version, go ahead and create the version anyhow.
7414
7415 2008-07-10  Ian Lance Taylor  <iant@google.com>
7416
7417         Handle output sections with more than 0x7fffffff bytes.
7418         * object.h (class Relobj): Change map_to_output_ to
7419         output_sections_, and just keep a section pointer.  Change all
7420         uses.  Move comdat group support to Sized_relobj.
7421         (Relobj::is_section_specially_mapped): Remove.
7422         (Relobj::output_section): Remove poff parameter.  Change all
7423         callers.
7424         (Relobj::output_section_offset): New function.
7425         (Relobj::set_section_offset): Rewrite.
7426         (Relobj::map_to_output): Remove.
7427         (Relobj::output_sections): New function.
7428         (Relobj::do_output_section_offset): New pure virtual function.
7429         (Relobj::do_set_section_offset): Likewise.
7430         (class Sized_relobj): Add section_offsets_ field.  Add comdat
7431         group support from Relobj.  Update declarations.
7432         (Sized_relobj::get_output_section_offset): New function.
7433         (Sized_relobj::do_output_section_offset): New function.
7434         (Sized_relobj::do_set_section_offset): New function.
7435         * object.cc (Relobj::output_section_address): Remove.
7436         (Sized_relobj::Sized_relobj): Initialize new fields.
7437         (Sized_relobj::include_section_group): Cast find_kept_object to
7438         Sized_relobj.
7439         (Sized_relobj::include_linkonce_section): Likewise.
7440         (Sized_relobj::do_layout): Use separate arrays for output section
7441         and output offset.
7442         (Sized_relobj::do_count_local_symbols): Change map_to_output to
7443         output_sections.
7444         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7445         output_sections and section_offsets.
7446         (Sized_relobj::write_local_symbols): Likewise.
7447         (map_to_kept_section): Compute output address directly.
7448         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7449         output_sections and section_offsets.
7450         (Sized_relobj::write_sections): Likewise.
7451         (Sized_relobj::relocate_sections): Likewise.
7452         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7453         * output.h (class Output_reloc): Update declarations.  Change
7454         u2_.relobj to Sized_relobj*.
7455         (class Output_data_reloc): Change add functions to use
7456         Sized_relobj*.
7457         * output.cc (Output_reloc::Output_reloc): Change relobj to
7458         Sized_relobj*.
7459         (Output_reloc::local_section_offset): Change return type to
7460         Elf_Addr.  Use get_output_section_offset.
7461         (Output_reloc::get_address): Likewise.
7462         (Output_section::is_input_address_mapped): Don't call
7463         is_section_specially_mapped.
7464         (Output_section::output_offset): Likewise.
7465         (Output_section::output_address): Likewise.
7466         (Output_section::starting_output_address): Likewise.
7467         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
7468         parameter to Sized_relobj*.
7469         (Copy_relocs::need_copy_reloc): Likewise.
7470         (Copy_relocs::save): Likewise.
7471         * copy-relocs.h (class Copy_relocs): Update declarations.
7472         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
7473         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
7474         * target-reloc.h (relocate_for_relocatable): Change
7475         offset_in_output_section type to Elf_Addr.  Change code that uses
7476         it as well.
7477         * layout.cc (Layout::layout): Always set *off.
7478         * mapfile.cc (Mapfile::print_input_section): Use
7479         output_section_offset.
7480         * i386.cc (Target_i386::copy_reloc): Change object parameter to
7481         Sized_relobj*.
7482         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
7483         * sparc.cc (Target_sparc::copy_reloc): Likewise.
7484         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
7485
7486 2008-07-03  Ian Lance Taylor  <iant@google.com>
7487
7488         * layout.cc (Layout::include_section): Do not discard unrecognized
7489         SHT_STRTAB sections.
7490
7491 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
7492
7493         * script.cc (Lex::can_continue_name): Make '?' allowable in
7494         version-script names.
7495         * testsuite/version_script.map: Change glob pattern to use '?'
7496
7497 2008-06-30  Manish Singh  <yosh@gimp.org>
7498
7499         PR 6585
7500         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
7501         Correct typo.
7502
7503 2008-06-30  Ian Lance Taylor  <iant@google.com>
7504
7505         PR 6660
7506         PR 6682
7507         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
7508         versions]: Don't try to read the value in the contents, since we
7509         don't use it.  Use the template endianness when writing.
7510
7511 2008-06-25  Cary Coutant  <ccoutant@google.com>
7512
7513         * fileread.cc (File_read::make_view): Assert on zero-length view.
7514         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
7515         symbol table when there are no symbols to read.
7516
7517 2008-06-23  Craig Silverstein  <csilvers@google.com>
7518
7519         * version.cc (version_string): Bump to 1.7
7520
7521 2008-06-18  Craig Silverstein  <csilvers@google.com>
7522
7523         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
7524         constant 0xFFFF to type Valtype.
7525         (Powerpc_relocate_functions::rel16_ha): Likewise.
7526
7527 2008-06-17  Ian Lance Taylor  <iant@google.com>
7528
7529         * output.h (Output_section::Input_section): Initialize p2align_ to
7530         zero for Output_section_data constructors.
7531         (Output_section::Input_section::addralign): If not an input
7532         section, return the alignment of the Output_section_data.
7533         * testsuite/copy_test.cc: New file.
7534         * testsuite/copy_test_1.cc: New file.
7535         * testsuite/copy_test_2.cc: New file.
7536         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
7537         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
7538         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
7539         (copy_test_1_pic.o, copy_test_1.so): New targets.
7540         (copy_test_2_pic.o, copy_test_2.so): New targets.
7541         * testsuite/Makefile.in: Rebuild.
7542
7543         * script-sections.cc (Script_sections::place_orphan): Initialize
7544         local variable exact.
7545
7546 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
7547
7548         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
7549
7550 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
7551             David S. Miller  <davem@davemloft.net>
7552
7553         * powerpc.cc: New file.
7554         * Makefile.am (TARGETSOURCES): Add powerpc.cc
7555         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
7556         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
7557         * Makefile.in: Rebuild.
7558
7559 2008-06-09  Ian Lance Taylor  <iant@google.com>
7560
7561         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
7562         <exception>.
7563         (throwing, orig_terminate): New static variables.
7564         (terminate_handler): New static function.
7565         (t2): Set terminate handler.
7566
7567 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
7568
7569         PR 6584
7570         * binary.cc (Binary_to_elf::sized_convert): Fix .data
7571         alignment.
7572
7573 2008-05-30  Cary Coutant  <ccoutant@google.com>
7574
7575         * archive.cc (Archive::include_all_members) Correct to step
7576         over symbol table and extended name table in thin archives.
7577
7578 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
7579
7580         PR 6407
7581         * target-reloc.h (relocate_for_relocatable): Fix new_offset
7582         calculation.
7583
7584 2008-05-28  Caleb Howe  <cshowe@google.com>
7585
7586         * reduced_debug_output.cc: New file.
7587         * reduced_debug_output.h: New file.
7588         * options.h (class General_options): Add --strip-debug-non-line.
7589         * options.cc (General_options::finalize): Add strip_debug_non_line
7590         to the strip heirarchy.
7591         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
7592         fields.
7593         * layout.cc: Include "reduced_debug_output.h".
7594         (Layout::Layout): Initialize new fields.
7595         (line_only_debug_sections): New static array.
7596         (is_lines_only_debug_sections): New static inline function.
7597         (Layout::include_section): Handle --strip-debug-non-line.
7598         (Layout::make_output_section): If --strip-debug-non-line, build
7599         new output sections for .debug_abbrev and .debug_info.
7600         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
7601         gold.  Warn about possible overflow.
7602         (read_signed_LEB_128): Likewise.
7603         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
7604         (read_signed_LEB_128): Declare.
7605         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
7606         (HFILES): Add reduced_debug_output.h.
7607         * Makefile.in: Rebuild.
7608
7609 2008-05-21  Ian Lance Taylor  <iant@google.com>
7610
7611         * mapfile.cc: New file.
7612         * mapfile.h: New file.
7613         * options.h (class General_options): Add -M/--print-map and -Map.
7614         * options.cc (General_options::finalize): Make -M equivalent to
7615         -Map -.
7616         * main.cc: Include <cstdio> and "mapfile.h".
7617         (main): Open mapfile if requested.
7618         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
7619         constructor.  Change caller.
7620         (queue_initial_tasks): Add mapfile parameter.  Change caller.
7621         (queue_middle_tasks): Likewise.
7622         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
7623         declarations.
7624         * archive.cc: Include "mapfile.h".
7625         (Archive::add_symbols): Add mapfile parameter.  Change all
7626         callers.  Pass mapfile, symbol, and reason to include_member.
7627         (Archive::include_all_members): Add mapfile parameter.  Change all
7628         callers.
7629         (Archive::include_member): Add mapfile, sym, and why parameters.
7630         Change all callers.  Report inclusion to map file.
7631         * archive.h: Include "fileread.h".
7632         (class Archive): Update declarations.
7633         (Archive::file): New const method.
7634         (class Add_archive_symbols): Add mapfile_ field.  Update
7635         constructor.  Change all callers.
7636         * readsyms.h (class Read_symbols): Likewise.
7637         (class Finish_group): Likewise.
7638         (class Read_script): Likewise.
7639         * common.cc: Include "mapfile.h".
7640         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
7641         all callers.
7642         (Symbol_table::do_allocate_commons): Likewise.
7643         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
7644         symbol allocation to mapfile.
7645         * common.h (class Allocate_commons_task): Add mapfile_ field.
7646         Update constructor.  Change all callers.
7647         * symtab.h (class Symbol_table): Update declarations.
7648         * layout.cc: Include "mapfile.h".
7649         (Layout_task_runner::run): Print information to mapfile.
7650         (Layout::create_gold_note): Change Output_data_fixed_space to
7651         Output_data_zero_fill.
7652         (Layout::create_build_id): Likewise.
7653         (Layout::print_to_mapfile): New function.
7654         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
7655         constructor.  Change caller.
7656         (class Layout): Declare print_to_mapfile.
7657         * output.cc (Output_section::Input_section::print_to_mapfile): New
7658         function.
7659         (Output_section::add_input_section): If producing a map, always
7660         add to input_sections_ list.
7661         (Output_section::do_print_to_mapfile): New function.
7662         (Output_segment::print_sections_to_mapfile): New function.
7663         (Output_segment::print_section_list_to_mapfile): New function.
7664         * output.h: Include "mapfile.h".
7665         (Output_data::print_to_mapfile): New function.
7666         (Output_data::do_print_to_mapfile): New virtual function.
7667         (Output_segment_headers::do_print_to_mapfile): New function.
7668         (Output_file_header::do_print_to_mapfile): New function.
7669         (Output_data_const::do_print_to_mapfile): New function.
7670         (class Output_data_const_buffer): Add map_name_ field.  Update
7671         constructor.  Change all callers.  Add do_print_to_mapfile
7672         function.
7673         (class Output_data_fixed_space): Likewise.
7674         (class Output_data_space): Likewise.
7675         (class Output_data_zero_fill): New class.
7676         (Output_data_strtab::do_print_to_mapfile): New function.
7677         (Output_data_reloc_base::do_print_to_mapfile): New function.
7678         (Output_relocatable_relocs::do_print_to_mapfile): New function.
7679         (Output_data_group::do_print_to_mapfile): New function.
7680         (Output_data_got::do_print_to_mapfile): New function.
7681         (Output_data_dynamic::do_print_to_mapfile): New function.
7682         (Output_symtab_xindex::do_print_to_mapfile): New function.
7683         (class Output_section): Declare do_print_to_mapflie.  Declare
7684         print_to_mapfile in Input_section.
7685         (class Output_segment): Declare new functions.
7686         * object.h (Sized_relobj::symbol_count): New function.
7687         * script-sections.cc
7688         (Output_section_element_dot_assignment::set_section_addresses):
7689         Change Output_data_fixed_space to Output_data_zero_fill.
7690         (Output_data_expression::do_print_to_mapfile): New function.
7691         * script.cc (read_input_script): Add mapfile parameter.  Change
7692         all callers.
7693         * script.h (read_input_script): Update declaration.
7694         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
7695         (Eh_frame::do_print_to_mapfile): New function.
7696         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
7697         (Output_merge_string::do_print_to_mapfile): New function.
7698         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
7699         function.
7700         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
7701         function.
7702         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
7703         function.
7704         * Makefile.am (CCFILES): Add mapfile.cc.
7705         (HFILES): Add mapfile.h.
7706         * Makefile.in: Rebuild.
7707
7708 2008-05-19  Ian Lance Taylor  <iant@google.com>
7709
7710         * options.h (class General_options): Add -z relro.
7711         * layout.cc (Layout::Layout): Initialize relro_segment_.
7712         (Layout::add_output_section_data): Return the output section.
7713         (Layout::make_output_section): Rcognize relro sections and mark
7714         them appropriately.
7715         (Layout::attach_allocated_section_to_segment): Put relro sections
7716         in a PT_GNU_RELRO segment.
7717         (Layout::create_initial_dynamic_sections): Mark the .dynamic
7718         section as relro.
7719         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
7720         PT_TLS segments.
7721         (Layout::linkonce_mapping): Map d.rel.ro.local to
7722         .data.rel.ro.local.
7723         (Layout::output_section_name): Us .data.rel.ro.local for any
7724         section which begins with that.
7725         * layout.h (class Layout): Update add_output_section_data
7726         declaration.  Add relro_segment_ field.
7727         * output.cc (Output_section::Output_section): Initialize is_relro_
7728         and is_relro_local_ fields.
7729         (Output_segment::add_output_section): Group relro sections.
7730         (Output_segment::is_first_section_relro): New function.
7731         (Output_segment::maximum_alignment): If there is a relro section,
7732         align the segment to the common page size.
7733         (Output_segment::set_section_addresses): Track whether we are
7734         looking at relro sections.  If the last section is a relro
7735         section, align to the common page size.
7736         (Output_segment::set_section_list_addresses): Add in_relro
7737         parameter.  Change all callers.  Align to the page size when
7738         moving from relro to non-relro section.
7739         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
7740         segment.
7741         * output.h (class Output_section): Add is_relro_ and
7742         is_relro_local_ fields.
7743         (Output_section::is_relro): New function.
7744         (Output_section::set_is_relro): New function.
7745         (Output_section::is_relro_local): New function.
7746         (Output_section::set_is_relro_local): New function.
7747         (class Output_segment): Update declarations.
7748         * i386.cc (Target_i386::got_section): Mark .got section as relro.
7749         * sparc.cc (Target_sparc::got_section): Likewise.
7750         * x86_64.cc (Target_x86_64::got_section): Likewise.
7751         * testsuite/relro_test_main.cc: New file.
7752         * testsuite/relro_test.cc: New file.
7753         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
7754         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
7755         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
7756         (relro_test.so, relro_test_pic.o): New targets.
7757         * testsuite/Makefile.in: Rebuild.
7758
7759 2008-05-16  Ian Lance Taylor  <iant@google.com>
7760
7761         * output.cc (Output_segment::add_output_section): Remove front
7762         parameter.
7763         * output.h (class Output_segment): Remove
7764         add_initial_output_section and overloaded add_output_section.
7765         Update declaration of remaining add_output_section.
7766         * layout.cc (Layout::create_interp): Call add_output_section
7767         rather than add_initial_output_section.
7768         (Layout::finish_dynamic_section): Likewise.
7769
7770         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
7771         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
7772         know the dynamic type.
7773         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
7774         field.  Initialize it in constructor.
7775         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
7776         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
7777         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
7778         reloc.
7779
7780         * output.cc (Output_reloc::get_address): Change return type to
7781         Elf_Addr.
7782         * output.h (class Output_reloc): Update get_address declaration.
7783         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
7784         for section addresses.
7785
7786 2008-05-09  Ian Lance Taylor  <iant@google.com>
7787
7788         PR 6493
7789         * gold.cc (gold_nomem): Use return value of write.
7790
7791 2008-05-08  Ian Lance Taylor  <iant@google.com>
7792
7793         * symtab.c (Symbol::init_base_output_data): Add version
7794         parameter.  Change all callers.
7795         (Symbol::init_base_output_segment): Likewise.
7796         (Symbol::init_base_constant): Likewise.
7797         (Symbol::init_base_undefined): Likewise.
7798         (Sized_symbol::init_output_data): Likewise.
7799         (Sized_symbol::init_output_segment): Likewise.
7800         (Sized_symbol::init_constant): Likewise.
7801         (Sized_symbol::init_undefined): Likewise.
7802         (Symbol_table::do_define_in_output_data): If the new symbol has a
7803         version, mark it as the default.
7804         (Symbol_table::do_define_in_output_segment): Likewise.
7805         (Symbol_table::do_define_as_constant): Likewise.
7806         * symtab.h (class Symbol): Update declarations.
7807         (class Sized_symbol): Likewise.
7808         * resolve.cc (Symbol::override_version): New function.
7809         (Symbol::override_base): Call override_version.
7810         (Symbol::override_base_with_special): Likewise.
7811         * testsuite/ver_script_8.script: New file.
7812         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
7813         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
7814         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
7815         (ver_test_8_1.so, ver_test_8_2.so): New targets.
7816
7817 2008-05-06  Ian Lance Taylor  <iant@google.com>
7818
7819         PR 6049
7820         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
7821         functions.
7822         (class General_options): Remove existing --undefined, and add
7823         --no-undefined instead.  Add new --undefined as synonym for -u.
7824         * archive.cc (Archive::add_symbols): Check whether symbol was
7825         named with -u.
7826         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
7827         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
7828         all uses.  Add IS_UNDEFINED.  Update declarations to split
7829         different versions of init_base.  Declare init_base_undefined.
7830         (Symbol::is_defined): Handle IS_UNDEFINED.
7831         (Symbol::is_undefined): Likewise.
7832         (Symbol::is_weak_undefined): Call is_undefined.
7833         (Symbol::is_absolute): Handle IS_CONSTANT.
7834         (class Sized_symbol): Update declarations to split different
7835         versions of init.  Declare init_undefined.
7836         (class Symbol_table): Declare new functions.
7837         * symtab.cc (Symbol::init_base_object): Rename from init_base.
7838         Change all callers.
7839         (Symbol::init_base_output_data): Likewise.
7840         (Symbol::init_base_output_segment): Likewise.
7841         (Symbol::init_base_constant): Likewise.
7842         (Symbol::init_base_undefined): New function.
7843         (Sized_symbol::init_object): Rename from init.  Change all
7844         callers.
7845         (Sized_symbol::init_output_data): Likewise.
7846         (Sized_symbol::init_output_segment): Likewise.
7847         (Sized_symbol::init_constant): Likewise.
7848         (Sized_symbol::init_undefined): New function.
7849         (Symbol_table::add_undefined_symbols_from_command_line): New
7850         function.
7851         (Symbol_table::do_add_undefined_symbols_from_command_line): New
7852         function.
7853         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
7854         (Symbol::output_section): Likewise.
7855         (Symbol::set_output_section): Likewise.
7856         (Symbol_table::sized_finalize_symbol): Likewise.
7857         (Symbol_table::sized_write_globals): Likewise.
7858         * resolve.cc (Symbol_table::should_override): Likewise.
7859         (Symbol::override_base_with_special): Likewise.
7860
7861         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
7862         symbol, change it to have default visibility.
7863         * testsuite/protected_1.cc: New file.
7864         * testsuite/protected_2.cc: New file.
7865         * testsuite/protected_3.cc: New file.
7866         * testsuite/protected_main_1.cc: New file.
7867         * testsuite/protected_main_2.cc: New file.
7868         * testsuite/protected_main_3.cc: New file.
7869         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
7870         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
7871         (protected_1_LDFLAGS, protected_1_LDADD): Define.
7872         (protected_1.so): New target.
7873         (protected_1_pic.o, protected_2_pic.o): New targets.
7874         (protected_3_pic.o): New target.
7875         (check_PROGRAMS): Add protected_2.
7876         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
7877         (protected_2_LDFLAGS, protected_2_LDADD): Define.
7878         * testsuite/Makefile.in: Rebuild.
7879
7880         * options.h (DEFINE_var): Add set_user_set_##varname__.
7881         (DEFINE_bool_alias): New macro.
7882         (class General_options): Define -Bstatic using DEFINE_bool_alias
7883         rather than DEFINE_special.  Add --undefined as an alias for -z
7884         defs.
7885         * options.cc (General_options::parse_Bstatic): Remove.
7886
7887         * options.h (class General_options): Add --fatal-warnings.
7888         * main.cc (main): Implement --fatal-warnings.
7889         * errors.h (Errors::warning_count): New function.
7890
7891         * options.h (class General_options): Add -Bsymbolic-functions.
7892         * symtab.h (Symbol::is_preemptible): Check for
7893         -Bsymbolic-functions.
7894
7895 2008-05-05  Ian Lance Taylor  <iant@google.com>
7896
7897         * options.h (DEFINE_bool): For DASH_Z, create the negative option
7898         as noVARNAME rather than no-VARNAME.
7899         (class General_options): Add option -z combreloc.
7900         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
7901         get_address.
7902         (Output_reloc::sort_before) [SHT_REL]: New function.
7903         (Output_reloc::sort_before) [SHT_RELA]: New function.
7904         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
7905         Sort_relocs_comparison.
7906         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
7907         parameter.  Change all callers.
7908         (Output_data_reloc::Output_data_reloc) [both versions]: Add
7909         sort_relocs parameter.  Change all callers.
7910         * output.cc (Output_reloc::get_address): New function, broken out
7911         of write_rel.
7912         (Output_reloc::write_rel): Call it.
7913         (Output_reloc::compare): New function.
7914         (Output_data_reloc_base::do_write): Optionally sort relocs.
7915
7916         * configure.ac: If targ_extra_obj is set, link it in.
7917         * configure.tgt: Initialize all variables.
7918         (x86_64*): Set targ_extra_obj and targ_extra_size.
7919         * configure: Rebuild.
7920
7921         * object.cc (Sized_relobj::include_section_group): Adjust section
7922         indexes read from group data.  Build vector to pass to
7923         layout_group.
7924         * layout.cc (Layout::layout_group): Add flags and shndxes
7925         parameters.  Remove contents parameter.  Change caller.  Update
7926         explicit instantiations.
7927         * layout.h (class Layout): Update layout_group declaration.
7928         * output.cc (Output_data_group::Output_data_group): Add flags and
7929         input_shndxes parameters.  Remove contents parameter.  Change
7930         caller.
7931         (Output_data_group::do_write): Change input_sections_ to
7932         input_shndxes_.
7933         * output.h (class Output_data_group): Update constructor
7934         declaration.  Rename input_sections_ to input_shndxes_.
7935         * testsuite/many_sections_test.cc: Add template.
7936
7937 2008-04-30  Cary Coutant  <ccoutant@google.com>
7938
7939         * target-reloc.h (relocate_section): Fix dead-pointer bug.
7940
7941         * layout.cc (Layout::include_section): Refactored check for debug
7942         info section.
7943         (Layout::add_comdat): Add new parameters.  Change type
7944         of signature parameter.  Add object and shndx to signatures table.
7945         (Layout::find_kept_object): New function.
7946         * layout.h: Include <cstring>.
7947         (Layout::is_debug_info_section): New function.
7948         (Layout::add_comdat): Add new parameters.
7949         (Layout::find_kept_object): New function.
7950         (Layout::Kept_section): New struct.
7951         (Layout::Signatures): Change type of map range.
7952         * object.cc (Relobj::output_section_address): New function.
7953         (Sized_relobj::include_section_group): Add new parameters.  Change
7954         calls to Layout::add_comdat.  Change to build table of kept comdat
7955         groups and table mapping discarded sections to kept sections.
7956         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
7957         (Sized_relobj::do_layout): Change calls to include_section_group and
7958         include_linkonce_section.
7959         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
7960         value to zero when section is discarded.
7961         (Sized_relobj::map_to_kept_section): New function.
7962         * object.h (Relobj::output_section_address): New function.
7963         (Relobj::Comdat_group): New type.
7964         (Relobj::find_comdat_group): New function.
7965         (Relobj::Comdat_group_table): New type.
7966         (Relobj::Kept_comdat_section): New type.
7967         (Relobj::Kept_comdat_section_table): New type.
7968         (Relobj::add_comdat_group): New function.
7969         (Relobj::set_kept_comdat_section): New function.
7970         (Relobj::get_kept_comdat_section): New function.
7971         (Relobj::comdat_groups_): New field.
7972         (Relobj::kept_comdat_sections_): New field.
7973         (Symbol_value::input_value): Update comment.
7974         (Sized_relobj::map_to_kept_section) New function.
7975         (Sized_relobj::include_linkonce_section): Add new parameter.
7976         * target-reloc.h (Comdat_behavior): New type.
7977         (get_comdat_behavior): New function.
7978         (relocate_section): Add code to map a discarded section to the
7979         corresponding kept section when applying a relocation.
7980
7981 2008-04-30  Craig Silverstein  <csilvers@google.com>
7982
7983         * dwarf_reader.cc (next_generation_count): New static var.
7984         (Addr2line_cache_entry): New struct.
7985         (addr2line_cache): New static var.
7986         (Dwarf_line_info::one_addr2line): Added caching.
7987         (Dwarf_line_info::clear_addr2line_cache): New function.
7988         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
7989         cache-size parameter.
7990         (Dwarf_line_info::one_addr2line_cache): New function.
7991         * symtab.cc (Symbol_table::detect_odr_violations): Pass
7992         new cache-size argument to one_addr2line(), and clear cache.
7993
7994 2008-04-28  Cary Coutant  <ccoutant@google.com>
7995
7996         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
7997         R_386_PC8 relocations.
7998
7999 2008-04-23  Ian Lance Taylor  <iant@google.com>
8000
8001         * object.cc (Sized_relobj::include_section_group): Check for
8002         invalid section group.
8003
8004         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8005         header size.
8006
8007         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8008         than read for file header.
8009         * archive.cc (Archive::include_member): Likewise.
8010
8011 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8012
8013         * aclocal.m4: Regenerate.
8014         * configure: Regenerate.
8015
8016 2008-04-19  Ian Lance Taylor  <iant@google.com>
8017
8018         * version.cc (version_string): Bump to 1.6.
8019
8020         * testsuite/Makefile.am (many_sections_r_test): New target.
8021         (many_sections_r_test_SOURCES): Remove.
8022         (many_sections_r_test_DEPENDENCIES): Remove.
8023         (many_sections_r_test_LDFLAGS): Remove.
8024         (many_sections_r_test_LDADD): Remove.
8025
8026         * object.cc (Sized_relobj::do_add_symbols): Always pass
8027         local_symbol_count_ to add_from_relobj.
8028
8029         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8030         every thousand variables.
8031         * testsuite/Makefile.in: Rebuild.
8032
8033         * object.cc (Xindex::initialize_symtab_xindex): New function.
8034         (Xindex::read_symtab_xindex): New function.
8035         (Xindex::sym_xindex_to_shndx): New function.
8036         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8037         available.
8038         (Sized_relobj::do_initialize_xindex): New function.
8039         (Sized_relobj::do_read_symbols): Adjust section links.
8040         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8041         parameter.  Change all callers.
8042         (Sized_relobj::include_section_group): Adjust section links and
8043         symbol section indexes.
8044         (Sized_relobj::do_layout): Adjust section links.
8045         (Sized_relobj::do_count_local_symbols): Adjust section links and
8046         symbol section indexes.
8047         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8048         ordinary and special symbols.
8049         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8050         dynsym_xindex parameters.  Change all callers.  Adjust section
8051         links.  Use SHN_XINDEX when needed.
8052         (Sized_relobj::get_symbol_location_info): Adjust section links.
8053         Don't get fooled by special symbols.
8054         * object.h (class Xindex): Define.
8055         (class Object): Add xindex_ parameter.  Declare virtual functoin
8056         do_initialize_xindex.
8057         (Object::adjust_sym_shndx): New function.
8058         (Object::set_xindex): New protected function.
8059         (class Symbol_value): Add is_ordinary_shndx_ field.
8060         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8061         (Symbol_value::value): Assert ordinary section.
8062         (Symbol_value::initialize_input_to_output_map): Likewise.
8063         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8064         Change all callers.
8065         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8066         all callers.
8067         (class Sized_relobj): Update declarations.
8068         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8069         parameter.  Change all callers.
8070         (Sized_relobj::adjust_shndx): New function.
8071         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8072         field.
8073         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8074         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8075         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8076         (Sized_dynobj::read_dynsym_section): Adjust section links.
8077         (Sized_dynobj::read_dynamic): Likewise.
8078         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8079         section links.
8080         (Sized_dynobj::do_initialize_xindex): New function.
8081         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8082         do_initialize_xindex.
8083         (Sized_dynobj::adjust_shndx): New function.
8084         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8085         dynsym_xindex_ fields.
8086         (Layout::finalize): Add a call to set_section_indexes before
8087         creating the symtab sections.
8088         (Layout::set_section_indexes): Don't do anything if the section
8089         already has a section index.
8090         (Layout::create_symtab_sections): Add shnum parameter.  Change
8091         caller.  Create .symtab_shndx section if needed.
8092         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8093         caller.
8094         (Layout::allocated_output_section_count): New function.
8095         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8096         needed.
8097         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8098         fields.  Update declarations.
8099         (Layout::symtab_xindex): New function.
8100         (Layout::dynsym_xindex): New function.
8101         (class Write_symbols_task): Add layout_ field.
8102         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8103         Change caller.
8104         * output.cc (Output_section_headers::Output_section_headers): Add
8105         shstrtab_section parameter.  Change all callers.
8106         (Output_section_headers::do_sized_write): Store overflow values
8107         for section count and section string table section index in
8108         section header zero.
8109         (Output_file_header::do_sized_write): Check for overflow of
8110         section count and section string table section index.
8111         (Output_symtab_xindex::do_write): New function.
8112         (Output_symtab_xindex::endian_do_write): New function.
8113         * output.h (class Output_section_headers): Add shstrtab_section_.
8114         Update declarations.
8115         (class Output_symtab_xindex): Define.
8116         (Output_section::has_out_shndx): New function.
8117         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8118         field.
8119         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8120         Change all callers.
8121         (Sized_symbol::init): Likewise.
8122         (Symbol::output_section): Check for ordinary symbol.
8123         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8124         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8125         callers.
8126         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8127         Change all callers.  Simplify handling of symbols from sections
8128         not included in the link.
8129         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8130         distinction.
8131         (Weak_alias_sorter::operator()): Assert that symbols are
8132         ordinary.
8133         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8134         distinction.
8135         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8136         parameters.  Change all callers.
8137         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8138         symbol distinction.  Use SHN_XINDEX when needed.
8139         (Symbol_table::write_section_symbol): Add symtab_xindex
8140         parameter.  Change all callers.
8141         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8142         SHN_XINDEX when needed.
8143         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8144         declarations.
8145         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8146         (Symbol::is_defined): Check is_ordinary.
8147         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8148         (Symbol::is_absolute, Symbol::is_common): Likewise.
8149         (class Sized_symbol): Update declarations.
8150         (class Symbol_table): Update declarations.
8151         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8152         parameters.  Change all callers.
8153         (Sized_symbol::override): Likewise.
8154         (Symbol_table::override): Likewise.
8155         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8156         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8157         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8158         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8159         to be in an ordinary section.
8160         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8161         object and is_ordinary parameters.  Change all callers.
8162         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8163         Change all callers.  Don't add undefined or non-ordinary symbols
8164         to reloc_map_.
8165         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8166         Change all callers.
8167         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8168         declarations.
8169         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8170         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8171         (Sized_relobj::relocate_sections): Likewise.
8172         * target-reloc.h (scan_relocs): Adjust section symbol index.
8173         (scan_relocatable_relocs): Likewise.
8174         * i386.cc (Scan::local): Check for ordinary symbols.
8175         * sparc.cc (Scan::local): Likewise.
8176         * x86_64.cc (Scan::local): Likewise.
8177         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8178         to symbol_section_and_value.
8179         * testsuite/many_sections_test.cc: New file.
8180         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8181         (check_PROGRAMS): Add many_sections_test.
8182         (many_sections_test_SOURCES): Define.
8183         (many_sections_test_DEPENDENCIES): Define.
8184         (many_sections_test_LDFLAGS): Define.
8185         (BUILT_SOURCES): Add many_sections_define.h.
8186         (many_sections_define.h): New target.
8187         (BUILT_SOURCES): Add many_sections_check.h.
8188         (many_sections_check.h): New target.
8189         (check_PROGRAMS): Add many_sections_r_test.
8190         (many_sections_r_test_SOURCES): Define.
8191         (many_sections_r_test_DEPENDENCIES): Define.
8192         (many_sections_r_test_LDFLAGS): Define.
8193         (many_sections_r_test_LDADD): Define.
8194         (many_sections_r_test.o): New target.
8195         * testsuite/Makefile.in: Rebuild.
8196
8197 2008-04-17  Cary Coutant  <ccoutant@google.com>
8198
8199         * errors.cc (Errors::info): New function.
8200         (gold_info): New function.
8201         * errors.h (Errors::info): New function.
8202         * gold.h (gold_info): New function.
8203         * object.cc (Input_objects::add_object): Print trace output.
8204         * options.cc (options::parse_set): New function.
8205         (General_options::parse_wrap): Deleted.
8206         (General_options::General_options): Deleted initializer.
8207         * options.h (options::String_set): New typedef.
8208         (options::parse_set): New function.
8209         (DEFINE_set): New macro.
8210         (General_options::wrap): Changed to use DEFINE_set. Changed
8211         callers of any_wrap_symbols and is_wrap_symbol.
8212         (General_options::trace, General_options::trace_symbol):
8213         New options.
8214         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8215         (General_options::wrap_symbols_): Deleted.
8216         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8217
8218 2008-04-17  David S. Miller  <davem@davemloft.net>
8219
8220         * options.cc (General_options::parse_V): New function.
8221         * options.h: Add entries for -V and -Qy.
8222
8223 2008-04-17  Ian Lance Taylor  <iant@google.com>
8224
8225         * common.cc (Symbol_table::allocate_commons): Remove options
8226         parameter.  Change caller.
8227         (Symbol_table::do_allocate_commons): Remove options parameter.
8228         Change caller.  Just call do_allocate_commons_list twice.
8229         (Symbol_table::do_allocate_commons_list): New function, broken out
8230         of do_allocate_commons.
8231         * common.h (class Allocate_commons_task): Remove options_ field.
8232         Update constructor.
8233         * symtab.cc (Symbol_table::Symbol_table): Initialize
8234         tls_commons_.
8235         (Symbol_table::add_from_object): Put TLS common symbols on
8236         tls_commons_ list.
8237         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8238         which are IN_OUTPUT_DATA.
8239         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8240         allocate_commons and do_allocate_commons declarations.  Declare
8241         do_allocate_commons_list.
8242         * gold.cc (queue_middle_tasks): Update creation of
8243         Allocate_commons_task to not pass options.
8244         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8245         (TLS_TEST_C_FLAGS): New variable.
8246         (tls_test_c_pic.o): New target.
8247         (tls_test_shared.so): Link in tls_test_c_pic.o.
8248         (tls_test_c_pic_ie.o): New target.
8249         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8250         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8251         (tls_test_c.o): New target.
8252         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8253         (tls_pic_test_LDADD): Likewise.
8254         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8255         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8256         (tls_test_c_gnu2.o): New target.
8257         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8258         tls_test_c_gnu2.o.
8259         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8260         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8261         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8262         * testsuite/tls_test.cc: Include "config.h".
8263         (t_last): Call t11_last.
8264         * testsuite/tls_test.h (t11, t11_last): Declare.
8265         * testsuite/tls_test_c.c: New file.
8266         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8267         * configure.ac: Check for OpenMP support.
8268         * configure, config.in, Makefile.in: Rebuild.
8269         * testsuite/Makefile.in: Rebuild.
8270
8271 2008-04-16  Cary Coutant  <ccoutant@google.com>
8272
8273         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8274         (Target_i386::tls_base_symbol_defined_): New field.
8275         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8276         (Target_i386::Scan::global): Likewise.
8277         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8278         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8279         (Target_x86_64::tls_base_symbol_defined_): New field.
8280         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8281         (Target_x86_64::Scan::global): Likewise.
8282
8283 2008-04-16  Cary Coutant  <ccoutant@google.com>
8284
8285         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8286         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8287         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8288         building shared libraries.
8289         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8290         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8291         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8292         * testsuite/Makefile.in: Rebuild.
8293         * testsuite/weak_undef.h: New file.
8294         * testsuite/weak_undef_file1.cc: Add extra test cases.
8295         * testsuite/weak_undef_file2.cc: Likewise.
8296         * testsuite/weak_undef_test.cc: Likewise.
8297
8298 2008-04-16  David S. Miller  <davem@davemloft.net>
8299
8300         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8301         Add issued_non_pic_error_ field.  Declare check_non_pic.
8302         (Target_sparc::Scan::check_non_pic): New function.
8303         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8304         (Target_sparc::Scan::global): Likewise.
8305
8306         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8307         * configure: Rebuild.
8308
8309         * options.h (DEFINE_enable): New macro.
8310         (new_dtags): New enable option.
8311         (initfirst, interpose, loadfltr, nodefaultlib,
8312         nodelete, nodlopen, nodump): New -z options.
8313         * layout.cc (Layout:finish_dynamic_section): If new
8314         dtags enabled, emit DT_RUNPATH.  Also, emit a
8315         DT_FLAGS_1 containing any specified -z flags.
8316
8317 2008-04-16  Ian Lance Taylor  <iant@google.com>
8318
8319         * copy-relocs.cc: New file.
8320         * copy-relocs.h: New file.
8321         * reloc.cc: Remove Copy_relocs code.
8322         * reloc.h: Likewise.
8323         * reloc-types.h (struct Reloc_types) [both versions]: Add
8324         get_reloc_addend_noerror.
8325         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8326         variants of add_global which take an addend which must be zero.
8327         * i386.cc: Include "copy-relocs.h".
8328         (class Target_i386): Change type of copy_relocs_ to variable,
8329         update initializer.
8330         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8331         Change all callers.
8332         (Target_i386::do_finalize_sections): Change handling of
8333         copy_relocs_.
8334         * sparc.cc: Include "copy-relocs.h".
8335         (class Target_sparc): Change type of copy_relocs_ to variable,
8336         update initializer.
8337         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8338         Change all callers.
8339         (Target_sparc::do_finalize_sections): Change handling of
8340         copy_relocs_.
8341         * x86_64.cc: Include "copy-relocs.h".
8342         (class Target_x86_64): Change type of copy_relocs_ to variable,
8343         update initializer.
8344         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8345         class.  Change all callers.
8346         (Target_x86_64::do_finalize_sections): Change handling of
8347         copy_relocs_.
8348         * Makefile.am (CCFILES): Add copy-relocs.cc.
8349         (HFILES): Add copy-relocs.h.
8350
8351         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8352
8353         * testsuite/script_test_4.sh: Permit leading zeroes.
8354
8355 2008-04-15  Ian Lance Taylor  <iant@google.com>
8356
8357         * script-sections.cc (Script_sections::create_segments): Use
8358         header_size_adjustment even when there is enough room for the
8359         headers.
8360         * testsuite/script_test_4.sh: New file.
8361         * testsuite/script_test_4.t: New file.
8362         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8363         (check_DATA): Add script_test_4.stdout.
8364         (MOSTLYCLEANFILES): Likewise.
8365         (script_test_4): New target.
8366         (script_test_4.stdout): New target.
8367         * testsuite/Makefile.in: Rebuild.
8368
8369         * sparc.cc: Add definitions for Output_data_plt_sparc class
8370         constants.
8371
8372 2008-04-14  David S. Miller  <davem@davemloft.net>
8373
8374         * sparc.cc: New file.
8375         * Makefile.am (TARGETSOURCES): Add sparc.cc
8376         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8377         * configure.tgt: Document targ_extra_size and
8378         targ_extra_big_endian.  Add entries for sparc-* and
8379         sparc64-*.
8380         * configure.ac: Handle targ_extra_size and
8381         targ_extra_big_endian.
8382         * Makefile.in: Rebuild.
8383         * configure: Likewise.
8384         * po/POTFILES.in: Likewise.
8385         * po/gold.pot: Likewise.
8386
8387 2008-04-14  Ian Lance Taylor  <iant@google.com>
8388
8389         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8390         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8391         in the name/type/flags to section mapping.  Don't call
8392         allocate_output_section.
8393         (Layout::choose_output_section): Change parameter from adjust_name
8394         to is_input_section.  Don't permit input sections after sections
8395         are attached to segments.  Don't call allocate_output_section.
8396         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8397         not write_enable_output_section.
8398         (Layout::make_output_section): Don't push to
8399         unattached_section_list_ nor call attach_to_segment.  Call
8400         attach_section_to_segment if sections are attached.
8401         (Layout::attach_sections_to_segments): New function.
8402         (Layout::attach_section_to_segment): New function.
8403         (Layout::attach_allocated_section_to_segment): Rename from
8404         attach_to_segment.  Remove flags parameter.
8405         (Layout::allocate_output_section): Remove function.
8406         (Layout::write_enable_output_section): Remove function.
8407         * layout.h (class Layout): Update for above changes.  Add new
8408         field sections_are_attached_.
8409         * output.h (Output_section::update_flags_for_input_section): New
8410         function.
8411         * output.cc (Output_section::add_input_section): Call
8412         update_flags_for_input_section.
8413         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8414
8415 2008-04-11  Cary Coutant  <ccoutant@google.com>
8416
8417         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8418         thought unnecessary.
8419         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8420
8421 2008-04-11  Ian Lance Taylor  <iant@google.com>
8422
8423         * output.h (class Output_section_data): Remove inline definition
8424         of set_addralign.
8425         * output.cc (Output_section_data::set_addralign): New function.
8426
8427 2008-04-11  Cary Coutant  <ccoutant@google.com>
8428
8429         Add support for TLS descriptors for i386 and x86_64.
8430         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8431         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8432         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8433         GOT_TYPE_TLS_DESC.
8434         (Target_i386::got_mod_index_entry): Remove unnecessary code.
8435         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8436         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
8437         relocations.
8438         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8439         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8440         Fix problem with initial-exec relocations.
8441         (Target_i386::Relocate::relocate_tls): Likewise.
8442         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8443         relaxation.
8444         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8445         support for section-plus-offset dynamic table entries.
8446         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8447         (Output_data_dynamic::Dynamic_entry): Add support for
8448         section-plus-offset dynamic table entries.
8449         (Output_data_dynamic::Classification): Likewise.
8450         (Output_data_dynamic::classification_): Renamed offset_.
8451         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8452         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8453         (Target_x86_64::make_plt_section): New function.
8454         (Target_x86_64::reserve_tlsdesc_entries): New function.
8455         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8456         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8457         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8458         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8459         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8460         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8461         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8462         add extra PLT entry for TLS descriptors.
8463         (Output_data_plt_x86_64::got_): New field.
8464         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8465         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
8466         fields.
8467         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
8468         descriptors.
8469         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
8470         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
8471         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
8472         R_386_TLS_DESC_CALL relocations.
8473         (Target_x86_64::Scan::global): Likewise.
8474         (Target_x86_64::do_finalize_sections): Add dynamic table entries
8475         for TLS descriptors.
8476         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
8477         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
8478         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
8479         GD-to-IE relaxation.
8480         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
8481         and TLS_DESCRIPTORS.
8482         * Makefile.in: Rebuild.
8483         * configure: Rebuild.
8484         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
8485         (tls_test_shared2.so): New target.
8486         (tls_shared_gd_to_ie_test_SOURCES): New variable.
8487         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
8488         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
8489         (tls_shared_gd_to_ie_test_LDADD): New variable.
8490         (tls_shared_gnu2_gd_to_ie_test): New target.
8491         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
8492         New targets.
8493         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
8494         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
8495         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
8496         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
8497         (tls_shared_gnu2_test): New target.
8498         (tls_test_gnu2_shared.so): New target.
8499         (tls_shared_gnu2_test_SOURCES): New variable.
8500         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
8501         (tls_shared_gnu2_test_LDFLAGS): New variable.
8502         (tls_shared_gnu2_test_LDADD): New variable.
8503         * testsuite/Makefile.in: Rebuild.
8504         * testsuite/Makefile.
8505
8506 2008-04-11  Ian Lance Taylor  <iant@google.com>
8507
8508         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
8509         justsyms.t.
8510         * testsuite/Makefile.in: Rebuild.
8511
8512         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
8513         long.
8514         * testsuite/script_test_2.cc (main): Adjust test.
8515
8516 2008-04-11  David S. Miller  <davem@davemloft.net>
8517             Ian Lance Taylor  <iant@google.com>
8518
8519         * options.h (General_options): Add entries for '-Y' and
8520         '-relax'.
8521         * options.cc (General_options:finalize): If -Y was used, add those
8522         entries to the library path instead of the default "/lib" and
8523         "/usr/lib".
8524
8525 2008-04-11  David S. Miller  <davem@davemloft.net>
8526
8527         * testsuite/justsyms.t: Start at 0x100.
8528         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
8529         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
8530         long.
8531         * testsuite/script_test_2.cc: Adjust string and section length
8532         checks.
8533
8534 2008-04-09  Ian Lance Taylor  <iant@google.com>
8535
8536         PR gold/5996
8537         * script-sections.cc (Sections_element::allocate_to_segment): Add
8538         orphan parameter.
8539         (Output_section_definition::allocate_to_segment): Likewise.
8540         (Orphan_output_section::allocate_to_segment): Likewise.
8541         (Script_sections::attach_sections_using_phdrs_clause): Don't
8542         propagate non-PT_LOAD segments to orphan sections.
8543         * testsuite/Makefile.am (script_test_3.stdout): Generate using
8544         readelf rather than objdump.
8545         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
8546         .interp section and PT_INTERP segment are the same size.
8547         * testsuite/Makefile.in: Rebuild.
8548
8549         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
8550         aliases for symbols defined in the same object.
8551         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
8552         (weak_alias_test_SOURCES): New variable.
8553         (weak_alias_test_DEPENDENCIES): New variable.
8554         (weak_alias_test_LDFLAGS): New variable.
8555         (weak_alias_test_LDADD): New variable.
8556         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
8557         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
8558         (weak_alias_test_3.o): New target.
8559         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
8560         * testsuite/weak_alias_test_main.cc: New file.
8561         * testsuite/weak_alias_test_1.cc: New file.
8562         * testsuite/weak_alias_test_2.cc: New file.
8563         * testsuite/weak_alias_test_3.cc: New file.
8564
8565 2008-04-08  Ian Lance Taylor  <iant@google.com>
8566
8567         * options.h (class General_options): Add --noinhibit-exec option.
8568         * main.cc (main): Check --noinhibit-exec.
8569
8570         * options.h (class General_options): Define --wrap as a special
8571         option.  Add wrap_symbols_ field.
8572         (General_options::any_wrap_symbols): New function.
8573         (General_options::is_wrap_symbol): New function.
8574         * options.cc (General_options::parse_wrap): New function.
8575         (General_options::General_options): Initialize wrap_symbols_.
8576         * symtab.cc (Symbol_table::wrap_symbol): New function.
8577         (Symbol_table::add_from_object): Handle --wrap.
8578         * symtab.h (class Symbol_table): Declare wrap_symbol.
8579         * target.h (Target::wrap_char): New function.
8580         (Target::Target_info): Add wrap_char field.
8581         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
8582         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8583         * testsuite/testfile.cc (Target_test::test_target_info):
8584         Likewise.
8585
8586         * errors.cc (Errors::undefined_symbol): Mention symbol version if
8587         there is one.
8588
8589         * layout.h (class Layout): Add added_eh_frame_data_ field.
8590         * layout.cc (Layout::Layout): Initialize new field.
8591         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
8592         output section until we find a section we merged successfully.
8593         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
8594         that the size be non-zero.
8595
8596         * merge.cc (Object_merge_map::get_output_offset): Remove inline
8597         qualifier.
8598
8599 2008-04-08  Craig Silverstein  <csilvers@google.com>
8600
8601         * configure.ac: Export new conditional variable HAVE_ZLIB.
8602         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
8603         on HAVE_ZLIB.
8604         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
8605         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8606
8607 2008-04-07  Ian Lance Taylor  <iant@google.com>
8608
8609         * version.cc (version_string): Set to "1.5".
8610
8611         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
8612         Add issued_non_pic_error_ field.  Declare check_non_pic.
8613         (Target_x86_64::Scan::check_non_pic): New function.
8614         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
8615         (Target_x86_64::Scan::global): Likewise.
8616
8617         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
8618         addend parameter.  Change caller.  Handle merge sections.
8619         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
8620         Address to Addend.  Don't add in the result of
8621         local_section_offset, pass down the addend and use the returned
8622         value.
8623         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
8624         Update declarations of local_section_offset and symbol_value.
8625         * testsuite/two_file_test_1.cc (t18): New function.
8626         * testsuite/two_file_test_2.cc (f18): New function.
8627         * testsuite/two_file_test_main.cc (main): Call t18.
8628         * testsuite/two_file_test.h (t18, f18): Declare.
8629
8630         * configure.ac: Don't test for objdump, c++filt, or readelf.
8631         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
8632         conditionals.
8633         (TEST_READELF): New variable.
8634         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
8635         (check_PROGRAMS): Add two_file_strip_test.
8636         (two_file_strip_test): New target.
8637         (check_PROGRAMS): Add two_file_same_shared_strip_test.
8638         (two_file_same_shared_strip_test_SOURCES): New variable.
8639         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
8640         (two_file_same_shared_strip_test_LDFLAGS): New variable.
8641         (two_file_same_shared_strip_test_LDADD): New variable.
8642         (two_file_shared_strip.so): New target.
8643         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
8644         (ver_test_5.syms, ver_test_7.syms): Likewise.
8645         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
8646         (strip_test_3.stdout): Use TEST_OBJDUMP.
8647         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8648
8649 2008-04-04  Cary Coutant  <ccoutant@google.com>
8650
8651         * symtab.h (Symbol::is_weak_undefined): New function.
8652         (Symbol::is_strong_undefined): New function.
8653         (Symbol::is_absolute): New function.
8654         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
8655         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
8656         absolute symbols.
8657         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
8658         (weak_undef_test): New target.
8659         * testsuite/Makefile.in: Rebuild.
8660         * testsuite/weak_undef_file1.cc: New file.
8661         * testsuite/weak_undef_file2.cc: New file.
8662         * testsuite/weak_undef_test.cc: New file.
8663
8664 2008-04-03  Craig Silverstein  <csilvers@google.com>
8665
8666         * compressed_output.h (class Output_compressed_section): Use
8667         unsigned buffer.
8668         * compressed_output.cc (zlib_compress): Use unsigned buffers,
8669         add zlib header.
8670         (zlib_compressed_suffix): Removed.
8671         (Output_compressed_section::set_final_data_size): Use unsigned
8672         buffers.
8673         * testsuite/Makefile.am (flagstest_compress_debug_sections):
8674         Fix linker invocation.
8675         (flagstest_o_specialfile_and_compress_debug_sections):
8676         Likewise.
8677         * testsuite/Makefile.in: Regenerated.
8678
8679 2008-04-02  David S. Miller  <davem@davemloft.net>
8680
8681         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
8682         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
8683
8684 2008-04-02  Craig Silverstein  <csilvers@google.com>
8685
8686         * TODO: New file.
8687
8688 2008-04-02  Ian Lance Taylor  <iant@google.com>
8689
8690         * fileread.cc (File_read::find_view): Add byteshift and vshifted
8691         parameters.  Update for new key type to views_.  Change all
8692         callers.
8693         (File_read::read): Adjust for byteshift in returned view.
8694         (File_read::add_view): New function, broken out of
8695         find_and_make_view.
8696         (File_read::make_view): New function, broken out of
8697         find_and_make_view.
8698         (File_read::find_or_make_view): Add offset and aligned
8699         parameters.  Rewrite accordingly.  Change all callers.
8700         (File_read::get_view): Add offset and aligned parameters.  Adjust
8701         for byteshift in return value.
8702         (File_read::get_lasting_view): Likewise.
8703         * fileread.h (class File_read): Update declarations.
8704         (class File_read::View): Add byteshift_ field.  Add byteshift to
8705         constructor.  Add byteshift method.
8706         * archive.h (Archive::clear_uncached_views): New function.
8707         (Archive::get_view): Add aligned parameter.  Change all callers.
8708         * object.h (Object::get_view): Add aligned parameter.  Change all
8709         callers.
8710         (Object::get_lasting_view): Likewise.
8711
8712         * fileread.cc (File_read::release): Don't call clear_views if
8713         there are multiple objects.
8714         * fileread.h (File_read::clear_uncached_views): New function.
8715         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
8716         on the archive.
8717
8718 2008-03-31  Cary Coutant  <ccoutant@google.com>
8719
8720         Add thin archive support.
8721         * archive.cc (Archive::armagt): New const.
8722         (Archive::setup): Remove task parameter and calls to unlock.
8723         (Archive::unlock_nested_archives): New function.
8724         (Archive::read_header): Add nested_off parameter. Change
8725         all callers.
8726         (Archive::interpret_header): Likewise.
8727         (Archive::include_all_members): Change to handle thin
8728         archives.
8729         (Archive::include_member): Likewise.
8730         * archive.h (Archive::Archive): Add new parameters and
8731         initializers.
8732         (Archive::armagt): New const.
8733         (Archive::setup): Remove task parameter.
8734         (Archive::unlock_nested_archives): New function.
8735         (Archive::read_header): Add nested_off parameter.
8736         (Archive::interpret_header): Likewise.
8737         (Archive::Nested_archive_table): New typedef.
8738         (Archive::is_thin_archive_): New field.
8739         (Archive::nested_archives_): New field.
8740         (Archive::options_): New field.
8741         (Archive::dirpath_): New field.
8742         (Archive::task_): New field.
8743         * readsyms.cc (Read_symbols::do_read_symbols): Add check
8744         for thin archives.  Pass additional parameters to
8745         Archive::Archive.  Unlock the archive file after calling
8746         Archive::setup.
8747
8748 2008-03-29  Ian Lance Taylor  <iant@google.com>
8749
8750         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
8751         version symbol to be local.
8752         * testsuite/ver_test_4.sh: New file.
8753         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
8754         (check_DATA): Add ver_test_4.syms.
8755         (ver_test_4.syms): New target.
8756         * testsuite/Makefile.in: Rebuild.
8757
8758         * output.cc
8759         (Output_section::Input_section_sort_entry::has_priority): New
8760         function.
8761         (Output_section::Input_section_sort_entry::match_file_name): New
8762         function.
8763         (Output_section::Input_section_sort_entry::match_section_name):
8764         Remove.
8765         (Output_section::Input_section_sort_entry::match_section_name_prefix):
8766         Remove.
8767         (Output_section::Input_section_sort_entry::match_section_file):
8768         Remove.
8769         (Output_section::Input_section_sort_compare::operator()): Rewrite
8770         using new Input_section_sort_entry functions.  Sort crtbegin and
8771         crtend first.  Sort sections with no priority before sections with
8772         a priority.
8773         * testsuite/initpri1.c (d3): Check j != 4.
8774         (cd5): New constructor/destructor function.
8775         (main): Check j != 2.
8776
8777         * symtab.cc (Symbol_table::add_from_object): If we don't use the
8778         new symbol when resolving, don't call set_is_default.
8779         * testsuite/ver_test_7.cc: New file.
8780         * testsuite/ver_test_7.sh: New file.
8781         * testsuite/Makefile.am (ver_test_7.so): New target.
8782         (ver_test_7.o): New target.
8783         (check_SCRIPTS): Add ver_test_7.sh.
8784         (check_DATA): Add ver_test_7.syms.
8785         (ver_test_7.syms): New target.
8786
8787 2008-03-28  Ian Lance Taylor  <iant@google.com>
8788
8789         * layout.cc (Layout::layout): If we see an input section with a
8790         name that needs sorting, set the must_sort flag for the output
8791         section.
8792         (Layout::make_output_section): If the name of the output section
8793         indicates that it might require sorting, set the may_sort flag.
8794         * output.h (Output_section::may_sort_attached_input_sections): New
8795         function.
8796         (Output_section::set_may_sort_attached_input_sections): New
8797         function.
8798         (Output_section::must_sort_attached_input_sections): New
8799         function.
8800         (Output_section::set_must_sort_attached_input_sections): New
8801         function.
8802         (class Output_section): Declare Input_section_sort_entry.  Define
8803         Input_section_sort_compare.  Declare
8804         sort_attached_input_sections.  Add new fields:
8805         may_sort_attached_input_sections_,
8806         must_sort_attached_input_sections_,
8807         attached_input_sections_are_sorted_.
8808         * output.cc (Output_section::Output_section): Initialize new
8809         fields.
8810         (Output_section::add_input_section): Add an entry to
8811         input_sections_ if may_sort or must_sort are true.
8812         (Output_section::set_final_data_size): Call
8813         sort_attached_input_sections if necessary.
8814         (Output_section::Input_section_sort_entry): Define new class.
8815         (Output_section::Input_section_sort_compare::operator()): New
8816         function.
8817         (Output_section::sort_attached_input_sections): New function.
8818         * configure.ac: Check whether the compiler supports constructor
8819         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
8820         * testsuite/initpri1.c: New file.
8821         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
8822         CONSTRUCTOR_PRIORITY.
8823         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
8824         (initpri1_LDFLAGS): New variable.
8825         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8826
8827 2008-03-27  Ian Lance Taylor  <iant@google.com>
8828
8829         * common.cc (Sort_commons::operator): Correct sorting algorithm.
8830         * testsuite/common_test_1.c: New file.
8831         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
8832         (common_test_1_SOURCES): New variable.
8833         (common_test_1_DEPENDENCIES): New variable.
8834         (common_test_1_LDFLAGS): New variable.
8835
8836         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
8837         and commons_ correctly when NAME/VERSION does not override
8838         NAME/NULL.
8839         * testsuite/ver_test_6.c: New file.
8840         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
8841         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
8842         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
8843
8844 2008-03-26  Ian Lance Taylor  <iant@google.com>
8845
8846         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
8847         of an undefined symbol from a version script.
8848         * testsuite/Makefile.am (ver_test_5.so): New target.
8849         (ver_test_5.o): New target.
8850         (check_SCRIPTS): Add ver_test_5.sh.
8851         (check_DATA): Add ver_test_5.syms.
8852         (ver_test_5.syms): New target.
8853         * testsuite/ver_test_5.cc: New file.
8854         * testsuite/ver_test_5.script: New file.
8855         * testsuite/ver_test_5.sh: New file.
8856         * Makefile.in, testsuite/Makefile.in: Rebuild.
8857
8858         PR gold/5986
8859         Fix problems building gold with gcc 4.3.0.
8860         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
8861         (gold_error_at_location, gold_warning_at_location): Use it.
8862         * configure.ac: Check whether we can compile and use a template
8863         function with a printf attribute.
8864         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
8865         when jumping over bytes.
8866         * object.cc: Instantiate Object::read_section_data.
8867         * debug.h: Include <cstring>
8868         * dwarf_reader.cc: Include <algorithm>
8869         * main.cc: Include <cstring>.
8870         * options.cc: Include <cstring>.
8871         * output.cc: Include <cstring>.
8872         * script.cc: Include <cstring>.
8873         * script.h: Include <string>.
8874         * symtab.cc: Include <cstring> and <algorithm>.
8875         * target-select.cc: Include <cstring>.
8876         * version.cc: Include <string>.
8877         * testsuite/testmain.cc: Include <cstdlib>.
8878         * configure, config.in: Rebuild.
8879
8880 2008-03-25  Ian Lance Taylor  <iant@google.com>
8881
8882         * options.cc: Include "../bfd/bfdver.h".
8883         (options::help): Print bug reporting address.
8884
8885         * version.cc (print_version): Adjust output for current value of
8886         BFD_VERSION_STRING.
8887
8888         * NEWS: New file.
8889
8890         * options.cc (options::help): Print list of supported targets.
8891         * target-select.h: Include <vector>.
8892         (class Target_selector): Make machine_, size_, and is_big_endian_
8893         fields const.  Add bfd_name_ and instantiated_target_ fields.
8894         (Target_selector::Target_selector): Add bfd_name parameter.
8895         (Target_selector::recognize): Make non-virtual, call
8896         do_recognize.
8897         (Target_selector::recognize_by_name): Make non-virtual, call
8898         do_recognize_by_name.
8899         (Target_selector::supported_names): New function.
8900         (Target_selector::bfd_name): New function.
8901         (Target_selector::do_instantiate_target): New pure virtual
8902         function.
8903         (Target_selector::do_recognize): New virtual function.
8904         (Target_selector::do_recognize_by_name): New virtual function.
8905         (Target_selector::instantiate_target): New private function.
8906         (supported_target_names): Declare.
8907         * target-select.cc (Target_selector::Target_selector): Update for
8908         new parameter and fields.
8909         (select_target_by_name): Check that the name matches before
8910         calling recognize_by_name.
8911         (supported_target_names): New function.
8912         * i386.cc (class Target_selector_i386): Update Target_selector
8913         constructor call.  Remove recognize and recognize_by_name.  Add
8914         do_instantiate_target.
8915         * x86_64.cc (class Target_selector_x86_64): Likewise.
8916         * testsuite/testfile.cc (class Target_selector_test): Update for
8917         changes to Target_selector.
8918
8919         * README: Rewrite, with some notes on unsupported features.
8920
8921 2008-03-24  Cary Coutant  <ccoutant@google.com>
8922
8923         * i386.cc (Target_i386::Got_type): New enum declaration.
8924         (Target_i386::Scan::local): Updated callers of Output_data_got
8925         member functions.
8926         (Target_i386::Scan::global): Likewise.
8927         (Target_i386::Relocate::relocate): Likewise.
8928         (Target_i386::Relocate::relocate_tls): Likewise.
8929         * object.h (Got_offset_list): New class.
8930         (Sized_relobj::local_has_got_offset): Added got_type parameter.
8931         (Sized_relobj::local_got_offset): Likewise.
8932         (Sized_relobj::set_local_got_offset): Likewise.
8933         (Sized_relobj::local_has_tls_got_offset): Removed.
8934         (Sized_relobj::local_tls_got_offset): Removed.
8935         (Sized_relobj::set_local_tls_got_offset): Removed.
8936         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
8937         * output.cc (Output_data_got::add_global): Added got_type parameter.
8938         (Output_data_got::add_global_with_rel): Likewise.
8939         (Output_data_got::add_global_with_rela): Likewise.
8940         (Output_data_got::add_global_pair_with_rel): New function.
8941         (Output_data_got::add_global_pair_with_rela): New function.
8942         (Output_data_got::add_local): Added got_type parameter.
8943         (Output_data_got::add_local_with_rel): Likewise.
8944         (Output_data_got::add_local_with_rela): Likewise.
8945         (Output_data_got::add_local_pair_with_rel): New function.
8946         (Output_data_got::add_local_pair_with_rela): New function.
8947         (Output_data_got::add_global_tls): Removed.
8948         (Output_data_got::add_global_tls_with_rel): Removed.
8949         (Output_data_got::add_global_tls_with_rela): Removed.
8950         (Output_data_got::add_local_tls): Removed.
8951         (Output_data_got::add_local_tls_with_rel): Removed.
8952         (Output_data_got::add_local_tls_with_rela): Removed.
8953         * output.h (Output_data_got::add_global): Added got_type parameter.
8954         (Output_data_got::add_global_with_rel): Likewise.
8955         (Output_data_got::add_global_with_rela): Likewise.
8956         (Output_data_got::add_global_pair_with_rel): New function.
8957         (Output_data_got::add_global_pair_with_rela): New function.
8958         (Output_data_got::add_local): Added got_type parameter.
8959         (Output_data_got::add_local_with_rel): Likewise.
8960         (Output_data_got::add_local_with_rela): Likewise.
8961         (Output_data_got::add_local_pair_with_rel): New function.
8962         (Output_data_got::add_local_pair_with_rela): New function.
8963         (Output_data_got::add_global_tls): Removed.
8964         (Output_data_got::add_global_tls_with_rel): Removed.
8965         (Output_data_got::add_global_tls_with_rela): Removed.
8966         (Output_data_got::add_local_tls): Removed.
8967         (Output_data_got::add_local_tls_with_rel): Removed.
8968         (Output_data_got::add_local_tls_with_rela): Removed.
8969         * resolve.cc (Symbol::override_base_with_special): Removed
8970         reference to has_got_offset_ field.
8971         * symtab.cc (Symbol::init_fields): Replaced initialization
8972         of got_offset_ with got_offsets_.  Removed initialization
8973         of has_got_offset_
8974         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
8975         (Symbol::got_offset): Likewise.
8976         (Symbol::set_got_offset): Likewise.
8977         (Symbol::has_tls_got_offset): Removed.
8978         (Symbol::tls_got_offset): Removed.
8979         (Symbol::set_tls_got_offset): Removed.
8980         (Symbol::got_offset_): Removed.
8981         (Symbol::tls_mod_got_offset_): Removed.
8982         (Symbol::tls_pair_got_offset_): Removed.
8983         (Symbol::got_offsets_): New field.
8984         (Symbol::has_got_offset): Removed.
8985         (Symbol::has_tls_mod_got_offset): Removed.
8986         (Symbol::has_tls_pair_got_offset): Removed.
8987         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
8988         (Target_x86_64::Scan::local): Updated callers of Output_data_got
8989         member functions.
8990         (Target_x86_64::Scan::global): Likewise.
8991         (Target_x86_64::Relocate::relocate): Likewise.
8992         (Target_x86_64::Relocate::relocate_tls): Likewise.
8993
8994 2008-03-25  Ben Elliston  <bje@au.ibm.com>
8995
8996         * yyscript.y: Fix spelling error in comment.
8997
8998 2008-03-24  Ian Lance Taylor  <iant@google.com>
8999
9000         * options.h (class General_options): Define build_id option.
9001         * layout.h (class Layout): Declare write_build_id, create_note,
9002         create_build_id.  Add build_id_note_ member.
9003         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9004         "libiberty.h", "md5.h", "sha1.h".
9005         (Layout::Layout): Initialize eh_frame_data_,
9006         eh_frame_hdr_section_, and build_id_note_.
9007         (Layout::finalize): Call create_build_id.
9008         (Layout::create_note): New function, broken out of
9009         Layout::create_gold_note.
9010         (Layout::create_gold_note): Call create_note.
9011         (Layout::create_build_id): New function.
9012         (Layout::write_build_id): New function.
9013         (Close_task_runner::run): Call write_build_id.
9014
9015         * x86_64.cc: Correct license to GPLv3.
9016
9017 2008-03-23  Ian Lance Taylor  <iant@google.com>
9018
9019         * options.cc: Include "demangle.h".
9020         (parse_optional_string): New function.
9021         (parse_long_option): Handle takes_optional_argument.
9022         (parse_short_option): Update dash_z initializer.  Handle
9023         takes_optional_argument.
9024         (General_options::General_options): Initialize do_demangle_.
9025         (General_options::finalize): Set do_demangle_.  Handle demangling
9026         style.
9027         * options.h (parse_optional_string): Declare.
9028         (struct One_option): Add optional_arg field.  Update constructor.
9029         Update call constructor calls.  Add takes_optional_argument
9030         function.
9031         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9032         (DEFINE_optional_string): Define.
9033         (General_options::demangle): Change from DEFINE_bool to
9034         DEFINE_optional_string.
9035         (General_options::no_demangle): New function.
9036         (General_options::do_demangle): New function.
9037         (General_options::set_do_demangle): New function.
9038         (General_options::execstack_status_): Move definition to end of
9039         class definition.
9040         (General_options::static_): Likewise.
9041         (General_options::do_demangle_): New field.
9042         * object.cc (big_endian>::get_symbol_location_info): Call
9043         Options::do_demangle, not Options::demangle.
9044         * symtab.cc (demangle): Likewise.
9045
9046 2008-03-22  Ian Lance Taylor  <iant@google.com>
9047
9048         * gold.h: Include <cstddef> and <sys/types.h>
9049         * options.h: Include <cstring>.
9050
9051 2008-03-21  Ian Lance Taylor  <iant@google.com>
9052
9053         * Added source code to GNU binutils.