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